CN219013089U - Anti-rotation structure of telescopic inner and outer round rod - Google Patents
Anti-rotation structure of telescopic inner and outer round rod Download PDFInfo
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- CN219013089U CN219013089U CN202223329684.9U CN202223329684U CN219013089U CN 219013089 U CN219013089 U CN 219013089U CN 202223329684 U CN202223329684 U CN 202223329684U CN 219013089 U CN219013089 U CN 219013089U
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Abstract
The utility model discloses an anti-rotation structure of a telescopic inner and outer round rod, which relates to the field of telescopic rods, and comprises a telescopic round rod, wherein the telescopic round rod comprises an inner pipe, an outer pipe and a directional plug; four longitudinal grooves are formed in the lower end of the directional plug, four arc-shaped plates are formed between every two adjacent longitudinal grooves, circular positioning protrusions are fixedly connected to the lower ends of the opposite sides of the two arc-shaped plates which are distributed left and right, four limiting sleeve plates are fixedly connected to the outer side wall of the upper end of the directional plug, and arc-shaped positioning protrusions are fixedly connected to the opposite sides of the two limiting sleeve plates which are distributed left and right; the inside wall of inner tube runs through and has offered the draw-in groove with protruding assorted card hole of circular location, and two and protruding assorted constant head tank of arc location have been seted up to the inside of outer tube, and the constant head tank is seted up to the outer tube inner wall, and inner tube internally mounted has directional end cap, and the protruding arc location protruding card of directional end cap outside is gone into the inside constant head tank inside of outer tube, has solved inside and outside pipe and has taken place relative rotation's problem.
Description
Technical Field
The utility model relates to the field of telescopic rods, in particular to an anti-rotation structure of a telescopic inner and outer round rod.
Background
When the telescopic round tube realizes the telescopic function, the inner tube and the outer tube are difficult to ensure not to rotate relatively. In order to ensure that the inner tube and the outer tube do not rotate relatively, the common mode is to change the inner tube and the outer tube into a polygon or a special shape so as to prevent the relative rotation of the inner tube and the outer tube.
For preventing rotation by making a concave shape on the external shape of the thin tube, which is necessary for the circular tube, the outer part of the telescopic inner and outer circular tubes cannot form smooth curved surfaces, so that a design of an anti-rotation structure of the telescopic inner and outer circular rods is needed.
Disclosure of Invention
The utility model aims to provide an anti-rotation structure of a telescopic inner and outer round rod, which solves the problem that the outer diameters of inner and outer pipes are all relative rotation of round pipes, an inner pipe directional plug and an inner pipe have fixed directions, and an elastic structure is arranged to increase friction force of the inner and outer pipe walls.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-rotation structure of a telescopic inner and outer round rod comprises a telescopic round rod, wherein the telescopic round rod comprises an inner pipe, an outer pipe and a directional plug;
four longitudinal grooves are formed in the lower end of the directional plug, four arc-shaped plates are formed between every two adjacent longitudinal grooves, circular positioning protrusions are fixedly connected to the lower ends of the opposite sides of the two arc-shaped plates which are distributed left and right, four limiting sleeve plates are fixedly connected to the outer side wall of the upper end of the directional plug, and arc-shaped positioning protrusions are fixedly connected to the opposite sides of the two limiting sleeve plates which are distributed left and right;
the directional plug is sleeved in the inner part of the inner pipe, the inner side wall of the inner pipe is penetrated and provided with a clamping hole matched with the circular positioning protrusion, and the inner part of the outer pipe is provided with two positioning grooves matched with the arc positioning protrusion.
In order to achieve the limiting effect, the anti-rotation structure of the telescopic inner and outer round rods is preferably arranged above the inner tube.
In order to facilitate the sliding of the outer tube, the anti-rotation structure of the telescopic inner and outer round rods is preferable, and the outer diameter of the limiting sleeve plate is the same as the outer diameter of the inner tube.
In order to achieve certain friction force on the inner wall of the outer tube and reduce the shaking problem of the inner tube and the outer tube, the anti-rotation structure of the telescopic inner and outer round rods is preferable, the other side of the circular positioning protrusion is positioned in the positioning groove, and the outer side wall of the circular positioning protrusion is attached to the inner side wall of the positioning groove.
In order to facilitate the insertion of the directional plug into the inner tube, the anti-rotation structure of the telescopic inner and outer round rod is preferable, and two arc plates distributed left and right are made of elastic deformation materials.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, the outer diameters of the inner pipe and the outer pipe are round pipes, the inner wall of the outer pipe is provided with the positioning groove, the inner pipe is internally provided with the directional plug, and the arc-shaped positioning bulge protruding outside the directional plug is clamped into the inner positioning groove of the outer pipe, so that the problem of relative rotation of the inner pipe and the outer pipe is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an anti-rotation structure of a telescopic inner and outer rod according to the present utility model;
FIG. 2 is a schematic cross-sectional view of the telescopic round bar of the present utility model;
FIG. 3 is a schematic top view of the directional plug of the present utility model;
FIG. 4 is a schematic view of the structure of the directional plug of the present utility model;
fig. 5 is a schematic side view of the directional plug of the present utility model.
The symbol marks in the figures illustrate:
1. a telescopic round rod; 2. an inner tube; 201. a clamping hole; 3. an outer tube; 301. a positioning groove; 4. directional plugs; 401. a longitudinal groove; 402. an arc-shaped plate; 403. a circular positioning protrusion; 404. a limiting sleeve plate; 405. arc positioning protrusion.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
Referring to fig. 1 to 5, the utility model provides an anti-rotation structure of a telescopic inner and outer round rod, which comprises a telescopic round rod 1, wherein the telescopic round rod 1 comprises an inner pipe 2, an outer pipe 3 and a directional plug 4;
four longitudinal grooves 401 are formed in the lower end of the directional plug 4, four arc-shaped plates 402 are formed between every two adjacent longitudinal grooves 401, round positioning protrusions 403 are fixedly connected to the lower ends of the opposite sides of the two arc-shaped plates 402 which are distributed left and right, four limit sleeve plates 404 are fixedly connected to the outer side wall of the upper end of the directional plug 4, and arc-shaped positioning protrusions 405 are fixedly connected to the opposite sides of the two limit sleeve plates 404 which are distributed left and right;
the directional plug 4 is sleeved in the inner tube 2, the inner side wall of the inner tube 2 is provided with a clamping hole 201 matched with the circular positioning protrusion 403 in a penetrating way, and the inner part of the outer tube 3 is provided with two positioning grooves 301 matched with the arc positioning protrusions 405.
In this embodiment: four longitudinal grooves 401 are formed at the lower end of the directional plug 4, four arc plates 402 are formed between every two adjacent longitudinal grooves 401, the lower ends of the opposite sides of the two arc plates 402 distributed left and right are fixedly connected with round positioning protrusions 403, the arc plates 402 connected with the round positioning protrusions 403 have elastic deformation performance, the directional plug 4 can be conveniently inserted into the inner tube 2, the round positioning protrusions 403 of the directional plug 4 are ejected from the clamping holes 201 of the inner tube 2 and clamped into the positioning grooves 301 formed in the inner wall of the outer tube 3, a certain friction force exists on the inner wall of the outer tube 3, but because the two round positioning protrusions 403 can elastically deform inwards and outwards, the inward elastic deformation cannot be guaranteed under the impact force, and the positioning grooves 301 which are easy to separate from the inner wall of the outer tube 3 are caused, the phenomenon of relative rotation of the inner tube 2 and the outer tube 3 is caused, through partly fixing the limit sleeve plate 404 at the position-fixing plug 4 exposing the inner tube 2, and fixing the arc-shaped positioning protrusions 405 at one side of the two limit sleeve plates 404 distributed left and right, the size of the arc-shaped positioning protrusions 405 can be just clamped in the positioning groove 301 on the inner wall of the outer tube 3, the two arc-shaped positioning protrusions 405 are fixed, no elastic deformation can not continuously generate elastic friction force on the inner wall of the outer tube 3, and thus the two protruding structures and the two elastic circular positioning protrusions 403 at the opening of the inner tube 2 form a complementary structure, and the two protruding structures act together, so that the inner tube 2 and the outer tube 3 can be effectively prevented from rotating, and elastic friction force is also generated on the inner wall of the outer tube 3, so that the shaking problem of the inner tube 2 and the outer tube 3 is reduced, and the telescopic inner and outer round rods have the characteristic of anti-rotation structure.
As a technical optimization scheme of the present utility model, the limiting sleeve plate 404 is located above the inner tube 2.
In this embodiment: the limiting sleeve plate 404 plays a limiting effect, the directional plug 4 is conveniently inserted into the inner tube 2, meanwhile, the limiting sleeve plate 404 is rotated, the direction of the directional plug 4 is conveniently adjusted, and the circular positioning protrusions 403 are conveniently clamped into the clamping holes 201.
As a technical optimization scheme of the present utility model, the outer diameter of the limiting sleeve plate 404 is the same as the outer diameter of the inner tube 2.
In this embodiment: the outer diameter of the limiting sleeve plate 404 is the same as the outer diameter of the inner tube 2, so that the outer tube 3 can slide easily.
As a technical optimization scheme of the utility model, the other side of the circular positioning protrusion 403 is located inside the positioning groove 301, and the outer side wall of the circular positioning protrusion 403 is attached to the inner side wall of the positioning groove 301.
In this embodiment: the circular positioning protrusion 403 of the directional plug 4 pops up from the clamping hole 201 of the inner tube 2 and is clamped into the positioning groove 301 formed in the inner wall of the outer tube 3, so that a certain friction force is further applied to the inner wall of the outer tube 3, and the shaking problem of the inner tube 2 and the outer tube 3 is reduced.
As a technical optimization scheme of the present utility model, two curved plates 402 located at left and right are made of elastic deformation materials.
In this embodiment: the left arc plate 402 and the right arc plate 402 are made of elastic deformation materials, the lower ends of the two arc plates 402 are close to each other, and the directional plug 4 can be conveniently inserted into the inner tube 2.
The working principle of the utility model is as follows:
firstly, four arc plates 402 are fixedly connected to the lower end of the directional plug 4, the lower ends of two arc plates 402 which are distributed left and right and are opposite to each other are fixedly connected with circular positioning protrusions 403, the arc plates 402 connected with the circular positioning protrusions 403 have elastic deformation performance (longitudinal grooves 401 can enable the arc plates 402 to elastically deform and move), the directional plug 4 is inserted into the inner part of the inner tube 2, the circular positioning protrusions 403 of the directional plug 4 are ejected out of clamping holes 201 of the inner tube 2 and clamped into positioning grooves 301 formed in the inner wall of the outer tube 3, limiting sleeve plates 404 are fixed on the part of the directional plug 4 exposed out of the inner tube 2, two positioning grooves 301 matched with the arc positioning protrusions 405 are formed in the inner part of the outer tube 3, the arc positioning protrusions 405 are fixed in structure, no elastic deformation can not continuously generate elastic friction force on the inner wall of the outer tube 3, the two arc positioning protrusions 405 and the two elastic circular positioning protrusions 403 at the opening of the inner tube 2 form complementary structures, the two arc positioning protrusions act together, the inner tube 2 and the outer tube 3 can be effectively prevented from rotating, the inner tube 3 is also provided with elastic friction force, the inner wall of the inner tube 3 is prevented from shaking, the inner tube 2 and the outer tube 3 is prevented from shaking, and the inner tube 3 is enabled to have a telescopic structure.
In the description of the present utility model, it should be understood that the directions or positional relationships such as the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, in the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.
Claims (5)
1. The utility model provides a flexible inside and outside round bar prevent revolution mechanic, includes flexible round bar (1), its characterized in that: the telescopic round rod (1) comprises an inner tube (2), an outer tube (3) and a directional plug (4);
four longitudinal grooves (401) are formed in the lower end of the directional plug (4), four arc-shaped plates (402) are formed between every two adjacent longitudinal grooves (401), round positioning protrusions (403) are fixedly connected to the lower ends of the opposite sides of the two arc-shaped plates (402) which are distributed left and right, four limit sleeve plates (404) are fixedly connected to the outer side wall of the upper end of the directional plug (4), and arc-shaped positioning protrusions (405) are fixedly connected to the opposite sides of the two limit sleeve plates (404) which are distributed left and right;
the directional plug (4) is sleeved in the inner part of the inner pipe (2), a clamping hole (201) matched with the circular positioning protrusion (403) is formed in the inner side wall of the inner pipe (2) in a penetrating mode, and two positioning grooves (301) matched with the arc positioning protrusion (405) are formed in the outer pipe (3).
2. The anti-rotation structure of a telescopic inner and outer rod according to claim 1, wherein: the limit sleeve plate (404) is positioned above the inner tube (2).
3. The anti-rotation structure of a telescopic inner and outer rod according to claim 1, wherein: the outer diameter of the limit sleeve plate (404) is the same as the outer diameter of the inner tube (2).
4. The anti-rotation structure of a telescopic inner and outer rod according to claim 1, wherein: the other side of the circular positioning bulge (403) is positioned in the positioning groove (301), and the outer side wall of the circular positioning bulge (403) is attached to the inner side wall of the positioning groove (301).
5. The anti-rotation structure of a telescopic inner and outer rod according to claim 1, wherein: two arc plates (402) which are positioned at the left and the right are made of elastic deformation materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223329684.9U CN219013089U (en) | 2022-12-13 | 2022-12-13 | Anti-rotation structure of telescopic inner and outer round rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223329684.9U CN219013089U (en) | 2022-12-13 | 2022-12-13 | Anti-rotation structure of telescopic inner and outer round rod |
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| Publication Number | Publication Date |
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| CN219013089U true CN219013089U (en) | 2023-05-12 |
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| CN202223329684.9U Active CN219013089U (en) | 2022-12-13 | 2022-12-13 | Anti-rotation structure of telescopic inner and outer round rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432906A (en) * | 2023-12-15 | 2024-01-23 | 四川省华地建设工程有限责任公司 | Geological disaster monitoring device |
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2022
- 2022-12-13 CN CN202223329684.9U patent/CN219013089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117432906A (en) * | 2023-12-15 | 2024-01-23 | 四川省华地建设工程有限责任公司 | Geological disaster monitoring device |
| CN117432906B (en) * | 2023-12-15 | 2024-04-12 | 四川省华地建设工程有限责任公司 | Geological disaster monitoring device |
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