CN204677559U - A kind of anti-rotation telescopic bar - Google Patents
A kind of anti-rotation telescopic bar Download PDFInfo
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- CN204677559U CN204677559U CN201520319547.8U CN201520319547U CN204677559U CN 204677559 U CN204677559 U CN 204677559U CN 201520319547 U CN201520319547 U CN 201520319547U CN 204677559 U CN204677559 U CN 204677559U
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- slip joint
- bone
- telescopic bar
- rotation telescopic
- tail plug
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Abstract
The utility model relates to flexible rod field, is specifically related to a kind of anti-rotation telescopic bar.Described anti-rotation telescopic bar, comprise the slip joint of the coaxial socket of at least two joints, the inner tubal wall of the rear slip joint in any two adjacent slip joints is provided with at least one position of bone; The tail end of the last slip joint in any two adjacent slip joints is fixed with a tail plug, and tail plug engagement sleeves is placed in a described rear slip joint, which is provided with a position of bone groove matched with the described position of bone.By the inner tubal wall of the rear slip joint in the adjacent slip joint of any two-phase is provided with at least one position of bone; The tail end of the last slip joint in any two adjacent slip joints is fixed with a tail plug, after tail plug engagement sleeves is placed in a slip joint, which is provided with a position of bone groove matched with the position of bone, the setting of the position of bone and position of bone groove can prevent, between adjacent expansion joint, circumference occurs and rotate, simultaneously because the position of bone is arranged on anti-rotation telescopic bar inner tubal wall, therefore do not affect use feel and attractive in appearance while enhance the structural strength of anti-rotation telescopic bar.
Description
Technical field
The utility model relates to flexible rod field, is specifically related to a kind of anti-rotation telescopic bar.
Background technique
Anti-rotation telescopic bar has scalable, that storage is convenient, easy to carry feature, is widely used in every field, common are self-shooting bar, telescopic clothes-horse, flexible umbrella handle, fishing rod, mop etc.Can elongate during the work of anti-rotation telescopic bar, make it reach required length, meet usage requirement, can pack up thus conserve space when not working, easy to carry and store.Existing anti-rotation telescopic bar is coaxially socketed to form by the hollow quarter butt of at least two circular tube shapeds usually, the defect of this type of anti-rotation telescopic bar is: because hollow quarter butt is cylindrical, mutual socket is rotated than being easier to that circumference occurs afterwards, has the product of directivity requirement to affect larger on some.Such as, self-shooting bar is in shooting process, if the hollow quarter butt of a certain joint rotates, the camera on self-shooting bar or mobile phone also can rotate, and affect shooting effect; And for example, mop is in the process mopped floor, if the hollow quarter butt of a certain joint rotates, mophead circumference can occur and rotates, and affects the cleaning effect of mop; Also there is above-mentioned defect in all the other telescopic clothes-horses, the flexible anti-rotation telescopic such as umbrella handle, fishing rod bar, waits to improve.
In prior art, the general mode by adopting the hollow quarter butt of noncircular cross section to be coaxially socketed solves the problem that anti-rotation telescopic bar rotates, and the anti-rotation telescopic bar of some noncircular cross section not only feel is poor, affect the experience of user, and it is attractive in appearance to affect product, meanwhile, in the occasion that the enough requirement of strength of some structures are higher, also can there is the defect of insufficient strength in the anti-rotation telescopic bar of some noncircular cross section.
Model utility content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of anti-rotation telescopic bar, overcome existing anti-rotation telescopic bar easily occur circumference rotate and feel is poor, unsightly, the defect such as structural strength is low.
The utility model solves the technological scheme that its technical problem adopts: provide a kind of anti-rotation telescopic bar, and comprise the slip joint of the coaxial socket of at least two joints, the inner tubal wall of the rear slip joint in any two adjacent slip joints is provided with at least one position of bone; The tail end of the last slip joint in any two adjacent slip joints is fixed with a tail plug, and described tail plug engagement sleeves is placed in a described rear slip joint, which is provided with a position of bone groove matched with the described position of bone.
Further preferred version of the present utility model is: the front end of the rear slip joint in described any two adjacent slip joints is fixed with a limit plunger, and described limit plunger is used for and described tail plug stops mutually, prevents the slip joint fixed with described tail plug to be drawn out.
Further preferred version of the present utility model is: the inner tubal wall of the rear slip joint in described any two adjacent slip joints is provided with two position of bone, and the tail of last slip joint is provided with two position of bone grooves corresponding with described two position of bone beyond the Great Wall.
Further preferred version of the present utility model is: described two position of bone are just to being arranged on the inner tubal wall of described slip joint, and described two position of bone grooves are corresponding just to being arranged at described tail beyond the Great Wall.
Further preferred version of the present utility model is: at least one joint slip joint of described anti-rotation telescopic bar is provided with the ventilating hole with extraneous conducting, and described tail is provided with a through hole beyond the Great Wall, and described through hole is by a described rear slip joint and last slip joint mutual conduction.
Further preferred version of the present utility model is: the end of described tail plug is also provided with elastic groove.
Further preferred version of the present utility model is: the outer wall of described tail plug is provided with a plane of inclination be made up of the toroidal surface of different-diameter, and described plane of inclination is mated the slip joint close-fitting setting be nested with in the toroidal surface position of its maximum diameter.
The beneficial effects of the utility model are, by the inner tubal wall of the rear slip joint in the adjacent slip joint of any two-phase is provided with at least one position of bone; The tail end of the last slip joint in any two adjacent slip joints is fixed with a tail plug, described tail plug engagement sleeves is placed in a described rear slip joint, which is provided with a position of bone groove matched with the described position of bone, the setting of the described position of bone and position of bone groove can prevent, between adjacent expansion joint, circumference occurs and rotate, simultaneously because the position of bone is arranged on anti-rotation telescopic bar inner tubal wall, therefore do not affect use feel and attractive in appearance while enhance the structural strength of anti-rotation telescopic bar.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is anti-rotation telescopic bar extended state cross-sectional view of the present utility model;
Fig. 2 is the adjacent expansion joint link position detonation configuration schematic diagram of anti-rotation telescopic bar of the present utility model;
Fig. 3 is A position close-up schematic view in Fig. 1;
Fig. 4 is tail plug plane structure schematic diagram of the present utility model;
Fig. 5 is anti-rotation telescopic bar contraction state cross-sectional view of the present utility model.
Embodiment
Now by reference to the accompanying drawings, preferred embodiment of the present utility model is elaborated.
Embodiment one
As shown in Figure 1, 2, the anti-rotation telescopic bar of the present embodiment comprises the slip joint of the coaxial socket of at least two joints, and the inner tubal wall of the rear slip joint 11 in any two adjacent slip joints is provided with at least one position of bone 111; The tail end of the last slip joint 12 in any two adjacent slip joints is fixed with a tail plug 121, and described tail plug 121 engagement sleeves is placed in a described rear slip joint 11, which is provided with a position of bone groove 122 matched with the described position of bone 111.Described tail plug 121 and the means of fixation of slip joint can be integral type and arrange, are threaded or the any-mode such as tackiness agent is bonding.Described position of bone groove 122 is arranged on the described position of bone 111, when pulling described last slip joint 12, described tail plug 121 synchronously slides axially together with slip joint fixing with it along the described position of bone 111, the setting of the described position of bone 111 and position of bone groove 122 can prevent, between adjacent expansion joint, circumference occurs and rotate, simultaneously because the position of bone 111 is arranged on the inner tubal wall of slip joint, directly cannot observe from outside, therefore can not affect the appearance and use feel, also enhancing the structural strength of anti-rotation telescopic bar simultaneously.
As in Figure 2-4, the front end of the rear slip joint 11 in described any two adjacent slip joints of the present embodiment is fixed with a limit plunger 112, described limit plunger 112, for stopping mutually with described tail plug 121, prevents the slip joint fixed with described tail plug 121 to be drawn out.Described limit plunger 112 and the means of fixation of slip joint can be integral type and arrange, are threaded or the any-mode such as tackiness agent is bonding.Further, there is circumference during for better preventing from pulling between adjacent slip joint to rotate, the inner tubal wall of the rear slip joint 11 in described any two adjacent slip joints of the present embodiment is provided with two position of bone 111, and the tail plug 121 of last slip joint 12 is provided with two position of bone grooves 122 corresponding with described two position of bone 111.Described two position of bone 111 are just to being arranged on the inner tubal wall of described slip joint, and described two position of bone grooves 122 are corresponding just to being arranged on described tail plug 121.
As in Figure 3-5, at least one joint slip joint of the described anti-rotation telescopic bar of the present embodiment is provided with the ventilating hole 2 with extraneous conducting, and described tail plug 121 is provided with a through hole 124, and described through hole 124 is by a described rear slip joint 11 and last slip joint 12 mutual conduction.The inner space of flexible rod and the external world can be conducted with the through hole 124 on tail plug 121 by described ventilating hole 2, the pressure of flexible rod inner space and free surrounding space is consistent, be beneficial to stretch smoothly or compression flexible rod.Further, the end of described tail plug 121 is also provided with elastic groove 123, the setting of described elastic groove 123 can be tail plug 121 after being fitted in a slip joint 11 time elastic space is provided, simultaneously after tail plug 121 engagement sleeves is placed in a slip joint 11 in after guarantee tail plug 121 and the close-fitting effect of a rear slip joint 11, prevent from arbitrarily moving around between adjacent expansion joint.Further, the outer wall of described tail plug 121 is provided with a plane of inclination be made up of the toroidal surface of different-diameter 125, and described plane of inclination 125 is mated the slip joint close-fitting setting be nested with in the toroidal surface position of its maximum diameter, be mated by the toroidal surface position of described maximum diameter the slip joint close-fitting be nested with and the area of contact decreasing tail plug 121 and described slip joint is set, be conducive to pulling back and forth between adjacent expansion joint.
Should be understood that, above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit, for a person skilled in the art, technological scheme described in above-described embodiment can be modified, or equivalent replacement is carried out to wherein portion of techniques feature; And all such modifications and replacement, all should belong to the protection domain of the utility model claims.
Claims (7)
1. an anti-rotation telescopic bar, comprises the slip joint of the coaxial socket of at least two joints, it is characterized in that: the inner tubal wall of the rear slip joint in any two adjacent slip joints is provided with at least one position of bone; The tail end of the last slip joint in any two adjacent slip joints is fixed with a tail plug, and described tail plug engagement sleeves is placed in a described rear slip joint, which is provided with a position of bone groove matched with the described position of bone.
2. anti-rotation telescopic bar according to claim 1, it is characterized in that: the front end of the rear slip joint in described any two adjacent slip joints is fixed with a limit plunger, described limit plunger is used for and described tail plug stops mutually, prevents the slip joint fixed with described tail plug to be drawn out.
3. anti-rotation telescopic bar according to claim 2, is characterized in that: the inner tubal wall of the rear slip joint in described any two adjacent slip joints is provided with two position of bone, and the tail of last slip joint is provided with two position of bone grooves corresponding with described two position of bone beyond the Great Wall.
4. anti-rotation telescopic bar according to claim 3, is characterized in that: described two position of bone are just to being arranged on the inner tubal wall of described slip joint, and described two position of bone grooves are corresponding just to being arranged at described tail beyond the Great Wall.
5. according to the arbitrary described anti-rotation telescopic bar of claim 2-4, it is characterized in that: at least one joint slip joint of described anti-rotation telescopic bar is provided with the ventilating hole with extraneous conducting, described tail is provided with a through hole beyond the Great Wall, and described through hole is by a described rear slip joint and last slip joint mutual conduction.
6. anti-rotation telescopic bar according to claim 5, is characterized in that: the end of described tail plug is also provided with elastic groove.
7. anti-rotation telescopic bar according to claim 6, it is characterized in that: the outer wall of described tail plug is provided with a plane of inclination be made up of the toroidal surface of different-diameter, and described plane of inclination is mated the slip joint close-fitting setting be nested with in the toroidal surface position of its maximum diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319547.8U CN204677559U (en) | 2015-05-18 | 2015-05-18 | A kind of anti-rotation telescopic bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520319547.8U CN204677559U (en) | 2015-05-18 | 2015-05-18 | A kind of anti-rotation telescopic bar |
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| Publication Number | Publication Date |
|---|---|
| CN204677559U true CN204677559U (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520319547.8U Active CN204677559U (en) | 2015-05-18 | 2015-05-18 | A kind of anti-rotation telescopic bar |
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| CN (1) | CN204677559U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310614A (en) * | 2015-10-14 | 2016-02-10 | 浙江亚特电器有限公司 | Retractable rod |
| CN107606157A (en) * | 2017-09-13 | 2018-01-19 | 芜湖市中天密封件有限公司 | Seal |
| WO2019038680A1 (en) * | 2017-08-22 | 2019-02-28 | 广东思锐光学股份有限公司 | Anti-rotation structure, tube frame structure and photographing support |
| CN111757794A (en) * | 2018-03-20 | 2020-10-09 | 尤妮佳股份有限公司 | Arm for cleaning tool |
-
2015
- 2015-05-18 CN CN201520319547.8U patent/CN204677559U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105310614A (en) * | 2015-10-14 | 2016-02-10 | 浙江亚特电器有限公司 | Retractable rod |
| WO2019038680A1 (en) * | 2017-08-22 | 2019-02-28 | 广东思锐光学股份有限公司 | Anti-rotation structure, tube frame structure and photographing support |
| US10451214B2 (en) | 2017-08-22 | 2019-10-22 | Guangdong Sirui Optical Co., Ltd. | Anti-rotation structure, a tube structure and a photographic support |
| GB2579324A (en) * | 2017-08-22 | 2020-06-17 | Guangdong Sirui Optical Co Ltd | Anti-rotation structure, tube frame structure and photographing support |
| EP3467369A4 (en) * | 2017-08-22 | 2020-08-12 | Guangdong Sirui Optical Co., Ltd | Anti-rotation structure, tube frame structure and photographing support |
| RU2746403C1 (en) * | 2017-08-22 | 2021-04-13 | Гуандун Сируи Оптикал Ко., Лтд. | Anti-rotation structure, tubular structure and support for photographic equipment |
| GB2579324B (en) * | 2017-08-22 | 2021-04-21 | Guangdong Sirui Optical Co Ltd | An anti-rotation structure, a tube structure and a photographic support |
| CN107606157A (en) * | 2017-09-13 | 2018-01-19 | 芜湖市中天密封件有限公司 | Seal |
| CN107606157B (en) * | 2017-09-13 | 2019-09-20 | 芜湖市中天密封件有限公司 | Sealing element |
| CN111757794A (en) * | 2018-03-20 | 2020-10-09 | 尤妮佳股份有限公司 | Arm for cleaning tool |
| CN111757794B (en) * | 2018-03-20 | 2021-11-09 | 尤妮佳股份有限公司 | Arm for cleaning tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |