CN103836032A - Rotary fixing structure - Google Patents
Rotary fixing structure Download PDFInfo
- Publication number
- CN103836032A CN103836032A CN201210476627.5A CN201210476627A CN103836032A CN 103836032 A CN103836032 A CN 103836032A CN 201210476627 A CN201210476627 A CN 201210476627A CN 103836032 A CN103836032 A CN 103836032A
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- end cap
- boss
- outer end
- inner end
- plug
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Abstract
A rotary fixing structure comprises an outer end cover and an inner end cover. The outer end cover is integrally formed, made of plastic materials, and provided with an opening. A hung-in boss is arranged on the position, close to the opening, of the inner wall of the outer end cover. The side face, close to the opening, of the hung-in boss is a guide surface, and the guide surface extends in the circumferential direction of the outer end cover. The hung-in boss is provided with a notch and a sliding chute communicated with the notch, the sliding chute extends in the circumferential direction of the outer end cover, and clamping grooves are formed in the side walls of the sliding chute. The inner end cover is integrally formed and made of plastic materials. A hung-out boss and a sliding boss are arranged on the outer side wall of the inner end cover. The hung-out boss is arranged in the middle where the sliding boss is far away from the inner end cover relatively. A space exists between the hung-out boss and the sliding boss in the axial direction of the inner end cover. The side face, close to the sliding boss, of the hung-out boss is a matching surface, and the matching surface extends in the circumferential direction of the inner end cover. The sliding boss is provided with clamping parts which are clamped in the clamping grooves. The rotary fixing structure is convenient to demount and firm in fixation.
Description
[technical field]
The present invention relates to a kind of fixed structure, particularly relate to a kind of rotary fixing structure.
[background technique]
Plastic cement part in the market is mostly fixed by screw thread or snap fit, for example, two links on light fixture are detachably fixedly connected with by screw thread or snap fit, wherein these two links are respectively the different tubular structure of diameter, and one of them link can partly be contained in another one link.
But screw thread fixed efficiency is low, dismounting needs instrument; In addition, fix by snap fit, it dismantles difficulty, easily breaks.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of convenient disassembly and fixed rotary fixing structure.
A kind of rotary fixing structure, comprising:
Outer end cap, one-body molded by plastic materials, described outer end cap has opening, and described outer end cap is provided with interior extension boss near the inwall of described opening, described interior extension boss is guide surface near the side of described opening, and described guide surface is along the circumferential extension of described outer end cap; The chute that described interior extension boss is provided with breach and is communicated with described breach, described chute, along the circumferential extension of described outer end cap, offers draw-in groove on the sidewall of described chute; And
Inner end cap, one-body molded by plastic materials, the outer side wall of described inner end cap is provided with plug-in boss and slip boss, and the more described slip boss of described plug-in boss arranges away from the middle part of described inner end cap, and has spacing with described slip boss in the axial direction of described inner end cap; Described plug-in boss is fitting surface near the side of described slip boss, and described fitting surface is along the circumferential extension of described inner end cap, and described slip boss is provided with the engagement portion fastening with described draw-in groove;
Wherein, in the time that described inner end cap is contained in outer end cap by the opening of described outer end cap, the fitting surface of described inner end cap and the guide surface of described outer end cap connect, and described slip boss is positioned at the breach of described outer end cap, and corresponding with the chute of described outer end cap; Described inner end cap is rotated with respect to described outer end cap, and described slip boss is slided in the chute of described outer end cap, until the engagement portion of described slip boss and the draw-in groove of described outer end cap fasten.
Above-mentioned rotary fixing structure utilizes the distortion of working of plastics, when being slided in the chute of outer end cap, the slip boss of inner end cap there is elastic strain, until the engagement portion on the slip boss of inner end cap and the draw-in groove on chute wall fasten, thereby locate securely slip boss, boss difficult drop-off makes to slide, and only rely on slip boss with coordinating of chute, outer end cap and inner end cap to be fixedly connected with, when dismounting or fixed outer ends lid and inner end cap, only need firmly rotate inner end cap or outer end cap, without the instrument by special.Therefore, above-mentioned rotary fixing structure convenient disassembly and fixed.
In an embodiment, the side of described slip boss near described plug-in boss is located in described engagement portion therein, and described draw-in groove is located on the sidewall of described chute near the opening of described outer end cap.
In an embodiment, described draw-in groove is arc groove therein, and described engagement portion corresponds to arc convex.
In an embodiment, described draw-in groove is v-depression therein, and described engagement portion corresponds to V-arrangement projection.
Therein in an embodiment, described plug-in boss is around the outer side wall setting of described inner end cap and along the arc convex of the strip of the circumferential extension of described inner end cap.
In an embodiment, described plug-in boss is multiple therein, and has interval between described multiple plug-in boss, and the interval between the corresponding described multiple plug-in boss of described slip boss arranges.
In an embodiment, described interior extension boss is multiple therein, and has interval between described multiple interior extension boss, to form described breach.
In an embodiment, described plug-in boss, described interior extension boss and slip boss are three therein, and the interval that described three slip boss correspond respectively between described three plug-in boss arranges.
Therein in an embodiment, described outer end cap is the shell construction of an end opening, one end sealing, described outer end cap forms stepped part inwardly from the madial wall of described opening, thereby forms described interior extension boss, and described chute runs through the outer side wall of described interior extension boss and outer end cap.
Therein in an embodiment, the cylindrical structure that described inner end cap is hollow, described slip boss is positioned at the outer side wall of described inner end cap the opening setting near described inner end cap, and described plug-in boss is positioned at the middle part of the outer side wall of described outer end cap.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the rotary fixing structure of embodiment of the present invention;
Fig. 2 is the exploded view of rotary fixing structure shown in Fig. 1;
Fig. 3 is the stereogram of the outer end cap of rotary fixing structure shown in Fig. 1;
Fig. 4 is the stereogram at another visual angle of the outer end cap of rotary fixing structure shown in Fig. 1;
Fig. 5 is the axial section of outer end cap shown in Fig. 3;
Fig. 6 is the stereogram of the inner end cap of rotary fixing structure shown in Fig. 1;
Fig. 7 is the stereogram at another visual angle of the inner end cap of rotary fixing structure shown in Fig. 1.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing these embodiments' object is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in specification of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the rotary fixing structure 100 of embodiment of the present invention, comprises outer end cap 110 and inner end cap 120.Outer end cap 110 and inner end cap 120 can be connected respectively with two of a light fixture parts or be one-body molded, thus by outer end cap 110 and inner end cap 120 by two part detachables of light fixture be fixedly connected with.Or outer end cap 110 and inner end cap 120 are directly two parts of light fixture.
Refer to Fig. 3 to Fig. 5, outer end cap 110 is one-body molded by plastic materials.Outer end cap 110 has opening 111, and outer end cap 110 is provided with interior extension boss 113 near the inwall of opening 111.Interior extension boss 113 is guide surface 113a near the side of opening 111, and guide surface 113a is along the circumferential extension of outer end cap 110.Specifically in the illustrated embodiment, outer end cap 110 is the shell construction of an end opening, one end sealing, and outer end cap 110 forms stepped part inwardly from the madial wall of opening 111, thereby hangs boss 113 in forming.Certainly, in other embodiments, interior extension boss 113 can be the boss part of the madial wall of protruding outer end lid 110.Why forming stepped part at outer end cap 110 inwardly from the madial wall of opening 111, is that the forming die structure in order to make outer end cap 110 is simple, so that moulding outer end cap 110.
It should be noted that, outer end cap 110 also can be the structure of other shapes, and for example, outer end cap 110 can be that rectangle, madial wall are circular shell construction for outer side wall.Briefly, only need outer end cap 110 to be formed with the circular cavity of accommodating inner end cap 120.
The chute 115 that interior extension boss 113 is provided with breach 114 and is communicated with breach 114.In the illustrated embodiment, chute 115 runs through the outer side wall of interior extension boss 113 and outer end cap 110, to facilitate the shaping die of design outer end cap 110.It should be noted that, chute 115 also can not run through the outer side wall of outer end cap 110, that is, chute 115 is only formed on interior extension boss 113, thereby improves the sealing of outer end cap 110.
Refer to Fig. 6 and Fig. 7, inner end cap 120 is one-body molded by plastic materials, and the outer side wall of inner end cap 120 is provided with plug-in boss 121 and slip boss 123.Plug-in boss 121 boss 123 that slides arranges away from the middle part of inner end cap 120, and has spacing with slip boss 123 in the axial direction of inner end cap 120.Specifically in the illustrated embodiment, the cylindrical structure that inner end cap 120 is hollow, slip boss 123 is positioned at the outer side wall of inner end cap 120 the opening setting near inner end cap 120, and plug-in boss 121 is positioned at the middle part of the outer side wall of outer end cap 110.Certainly, inner end cap 120 is not limited to the cylindrical structure of hollow, also can be the structure of other shapes, and for example, inner end cap 120 can be that circle, madial wall are special-shaped tubular structure for outer side wall.
Plug-in boss 121 is fitting surface 121a near the side of slip boss 123, and fitting surface 121a is along the circumferential extension of inner end cap 120, and slip boss 123 is provided with the engagement portion 125 fastening with draw-in groove 116.Specifically in the illustrated embodiment, plug-in boss 121 is around the outer side wall setting of inner end cap 120 and along the arc convex of the strip of the circumferential extension of inner end cap 120.Certainly, plug-in boss 121 also can be the boss of other shapes, only needs to exist this fitting surface 121a.
Wherein, when inner end cap 120 is contained in outer end cap 110 when interior by the opening 111 of outer end cap 110, the fitting surface 121a of inner end cap 120 and the guide surface 113a of outer end cap 110 connect, and slip boss 123 is positioned at the breach 114 of outer end cap 110, and corresponding with the chute 115 of outer end cap 110; Inner end cap 120 is rotated with respect to outer end cap 110, and the boss 123 that makes to slide is in the interior slip of chute 115 of outer end cap 110, until the engagement portion 125 of slip boss 123 fastens with the draw-in groove 116 of outer end cap 110.
Should be noted that, the interior extension boss 113 of outer end cap 110 and the plug-in boss 121 of inner end cap 120, the quantity of slip boss 123 can arrange arbitrarily according to actual needs, for example, in order further to improve the soundness that outer end cap 110 is connected with inner end cap 120, the plug-in boss 121 of inner end cap 120 is multiple, and between multiple plug-in boss 121, have interval, the interval between the corresponding multiple plug-in boss 121 of slip boss 123 arranges.The interior extension boss 113 of outer end cap 110 can be multiple, and has interval between multiple interior extension boss 113, to form breach 114.Specifically in the illustrated embodiment, the interior extension boss 113 of outer end cap 110 and plug-in boss 121, the slip boss 123 of inner end cap 120 are three, and three slip boss 123 correspond respectively to three intervals between plug-in boss 121 and arrange.
In addition, the position that engagement portion 125 is opened in interior extension boss 113 with respect to the position of slip boss 123 and draw-in groove 116 also can arrange according to actual service condition, specifically in the illustrated embodiment, the slip boss 123 of inner end cap 120 is located near a side of plug-in boss 121 in engagement portion 125, and draw-in groove 116 is located on the sidewall of chute 115 near the opening 111 of outer end cap 110.In other embodiments, the slip boss 123 of inner end cap 120 is located at away from a side of plug-in boss 121 in engagement portion 125, and draw-in groove 116 is located on the sidewall of chute 115 away from the opening 111 of outer end cap 110.
In the time that needs are fixedly connected with outer end cap 110 with inner end cap 120, only the slip boss 123 of inner end cap 120 need to be aimed to the breach 114 of interior extension boss 113 of outer end cap 110 downward, in the time hanging the guide surface 113a of boss 113 in the fitting surface 121a of plug-in boss 121 laminating, slip boss 123 is chute 115 positions in outer end cap 110 just, at this moment, only need firmly rotate inner end cap 120, utilize the distortion of plastic parts, slip boss 123 is after the interior slip of chute 115, the engagement portion 125 of slip boss 123 will snap onto in the draw-in groove 116 on chute 115 sidewalls, so just outer end cap 110 and inner end cap 120 are fixed up.In the time that needs are dismantled outer end cap 110 and inner end cap 120, firmly turn on inner end cap 120, the slip boss 123 of inner end cap 120 is taken out from the breach 114 of the interior extension boss 113 of outer end cap 110, thereby dismantled very flexibly, fix inner end cap 120 and outer end cap 110.
Above-mentioned rotary fixing structure 100 utilizes the distortion of working of plastics, make the slip boss 123 of inner end cap 120 that elastic strain occur in the time of the interior slip of chute 115 of outer end cap 110, until the engagement portion 125 on the slip boss 123 of inner end cap 120 fastens with the draw-in groove 116 on chute 115 sidewalls, thereby locate securely slip boss 123, boss 123 difficult drop-offs make to slide, and only rely on slip boss 123 with coordinating of chute 115, outer end cap 110 and inner end cap 120 to be fixedly connected with, when dismounting or fixed outer ends lid 110 and inner end cap 120, only need firmly rotate inner end cap 120 or outer end cap 110, without the instrument by special.Therefore, above-mentioned rotary fixing structure 100 convenient disassemblies and fixed.
Above embodiment has only expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a rotary fixing structure, is characterized in that, comprising:
Outer end cap, one-body molded by plastic materials, described outer end cap has opening, and described outer end cap is provided with interior extension boss near the inwall of described opening, described interior extension boss is guide surface near the side of described opening, and described guide surface is along the circumferential extension of described outer end cap; The chute that described interior extension boss is provided with breach and is communicated with described breach, described chute, along the circumferential extension of described outer end cap, offers draw-in groove on the sidewall of described chute; And
Inner end cap, one-body molded by plastic materials, the outer side wall of described inner end cap is provided with plug-in boss and slip boss, and the more described slip boss of described plug-in boss arranges away from the middle part of described inner end cap, and has spacing with described slip boss in the axial direction of described inner end cap; Described plug-in boss is fitting surface near the side of described slip boss, and described fitting surface is along the circumferential extension of described inner end cap, and described slip boss is provided with the engagement portion fastening with described draw-in groove;
Wherein, in the time that described inner end cap is contained in outer end cap by the opening of described outer end cap, the fitting surface of described inner end cap and the guide surface of described outer end cap connect, and described slip boss is positioned at the breach of described outer end cap, and corresponding with the chute of described outer end cap; Described inner end cap is rotated with respect to described outer end cap, and described slip boss is slided in the chute of described outer end cap, until the engagement portion of described slip boss and the draw-in groove of described outer end cap fasten.
2. rotary fixing structure as claimed in claim 1, is characterized in that, the side of described slip boss near described plug-in boss is located in described engagement portion, and described draw-in groove is located on the sidewall of described chute near the opening of described outer end cap.
3. rotary fixing structure as claimed in claim 2, is characterized in that, described draw-in groove is arc groove, and described engagement portion corresponds to arc convex.
4. rotary fixing structure as claimed in claim 2, is characterized in that, described draw-in groove is v-depression, and described engagement portion corresponds to V-arrangement projection.
5. rotary fixing structure as claimed in claim 1, is characterized in that, described plug-in boss is around the outer side wall setting of described inner end cap and along the arc convex of the strip of the circumferential extension of described inner end cap.
6. the rotary fixing structure as described in claim 1 ~ 5 any one, is characterized in that, described plug-in boss is multiple, and has interval between described multiple plug-in boss, and the interval between the corresponding described multiple plug-in boss of described slip boss arranges.
7. rotary fixing structure as claimed in claim 6, is characterized in that, described interior extension boss is multiple, and has interval between described multiple interior extension boss, to form described breach.
8. rotary fixing structure as claimed in claim 7, is characterized in that, described plug-in boss, described interior extension boss and slip boss are three, and the interval that described three slip boss correspond respectively between described three plug-in boss arranges.
9. rotary fixing structure as claimed in claim 8, it is characterized in that, described outer end cap is the shell construction of an end opening, one end sealing, described outer end cap forms stepped part inwardly from the madial wall of described opening, thereby form described interior extension boss, described chute runs through the outer side wall of described interior extension boss and outer end cap.
10. as claimed in claim 8, it is characterized in that, described inner end cap is the cylindrical structure of hollow, and described slip boss is positioned at the outer side wall of described inner end cap the opening setting near described inner end cap, and described plug-in boss is positioned at the middle part of the outer side wall of described outer end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476627.5A CN103836032B (en) | 2012-11-21 | 2012-11-21 | Rotary fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210476627.5A CN103836032B (en) | 2012-11-21 | 2012-11-21 | Rotary fixing structure |
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| CN103836032A true CN103836032A (en) | 2014-06-04 |
| CN103836032B CN103836032B (en) | 2017-05-03 |
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| CN201210476627.5A Active CN103836032B (en) | 2012-11-21 | 2012-11-21 | Rotary fixing structure |
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| CN105041794A (en) * | 2015-07-20 | 2015-11-11 | 昆山诺克科技汽车装备制造有限公司 | Manual spiral type positioning and locking device |
| CN105690405A (en) * | 2016-04-20 | 2016-06-22 | 机器时代(北京)科技有限公司 | Fastener, connecting cap, splicing assembly and robot |
| CN106441395A (en) * | 2016-11-17 | 2017-02-22 | 天津航联迪克科技有限公司 | Detachable detector for quickly changing labyrinth |
| CN106964532A (en) * | 2017-06-01 | 2017-07-21 | 苏州嘉辉超声波科技有限公司 | A kind of transducer screws mounting structure |
| CN107120509A (en) * | 2017-05-09 | 2017-09-01 | 苏州嘉辉超声波科技有限公司 | A kind of installing structure for transducer |
| CN107237911A (en) * | 2017-06-23 | 2017-10-10 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of attachment structure of draining valve |
| WO2018082627A1 (en) * | 2016-11-04 | 2018-05-11 | 青岛海尔洗衣机有限公司 | Screw cover and washing machine using same |
| CN108818718A (en) * | 2018-06-01 | 2018-11-16 | 苏州市东成办公科技有限公司 | A kind of carbon ribbon automatic rewinding cutting machine |
| CN109159666A (en) * | 2018-09-25 | 2019-01-08 | 重庆工业职业技术学院 | A kind of rotating bar of anti-error pedal set can manually regulation limiting device and application method |
| CN110088046A (en) * | 2017-01-16 | 2019-08-02 | 首尔伟傲世有限公司 | Water purifier |
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| CN110088046A (en) * | 2017-01-16 | 2019-08-02 | 首尔伟傲世有限公司 | Water purifier |
| CN107120509A (en) * | 2017-05-09 | 2017-09-01 | 苏州嘉辉超声波科技有限公司 | A kind of installing structure for transducer |
| CN106964532A (en) * | 2017-06-01 | 2017-07-21 | 苏州嘉辉超声波科技有限公司 | A kind of transducer screws mounting structure |
| CN107237911A (en) * | 2017-06-23 | 2017-10-10 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of attachment structure of draining valve |
| CN107237911B (en) * | 2017-06-23 | 2023-08-18 | 厦门瑞尔特卫浴科技股份有限公司 | Connection structure of drain valve |
| CN108818718A (en) * | 2018-06-01 | 2018-11-16 | 苏州市东成办公科技有限公司 | A kind of carbon ribbon automatic rewinding cutting machine |
| CN109159666A (en) * | 2018-09-25 | 2019-01-08 | 重庆工业职业技术学院 | A kind of rotating bar of anti-error pedal set can manually regulation limiting device and application method |
| CN109159666B (en) * | 2018-09-25 | 2023-12-15 | 重庆公共运输职业学院 | Limiting device capable of being adjusted by bare hand for rotating rod of pedal sleeve preventing mistaken stepping and use method |
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| CN103836032B (en) | 2017-05-03 |
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