CN209781390U - Self-tightening telescopic structure - Google Patents
Self-tightening telescopic structure Download PDFInfo
- Publication number
- CN209781390U CN209781390U CN201920187502.8U CN201920187502U CN209781390U CN 209781390 U CN209781390 U CN 209781390U CN 201920187502 U CN201920187502 U CN 201920187502U CN 209781390 U CN209781390 U CN 209781390U
- Authority
- CN
- China
- Prior art keywords
- multilateral
- inclined plane
- polygonal
- self
- protective sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Accessories Of Cameras (AREA)
Abstract
The utility model discloses a from tight extending structure, this structure includes the foot pipe, the foot intraductal connection motion seat that is provided with, multilateral protective sheath and the multilateral inclined plane post that mutually supports the use, the extension of multilateral protective sheath is corresponding with the spacing breach portion of connecting the motion seat, it has the post to connect the motion seat, the outside profile of post and the inner wall profile cooperation setting of multilateral inclined plane post stretch out, the side surface of multilateral protective sheath is equipped with the locking hole, the adaptation has the retaining member on the locking hole, the retaining member laminates in the inclined plane of multilateral inclined plane post, when connecting motion seat and multilateral protective sheath rotation each other, multilateral protective sheath reciprocates for multilateral inclined plane post in longitudinal direction, impel retaining member removes along multilateral inclined. The utility model discloses a set up mutually rotatable layer upon layer between pipe and the pipe, intraductal and multilateral protective sheath cooperation reciprocates, multilateral protective sheath a week has inlayed from the mandril, and multilateral protective sheath bottom is equipped with spacing breach, can be convenient for adjust foot pipe length to effectively lock the foot pipe.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a photography equipment technical field specifically, relates to a self-tightening extending structure.
[ background of the invention ]
the situation of shaking is inevitable when daily picture or video of shooing, and the photographic tripod can provide the holding power for the shooter, is the photographic instrument that is essential for having taken a good picture. Because the leg tubes of the tripod are generally longer and inconvenient to carry, a plurality of tripods with telescopic fastening designs for the leg tubes appear on the market, and the height of the tripod can be adjusted by adjusting the length of the leg tubes according to the needs of photographers.
However, the adjustment of the length of the leg tube usually requires an external fastening part for fastening, the adjustment of the length of the leg tube is inconvenient, and the locking force is limited, and generally the leg tube is of a threaded knob type or a wrench extrusion type.
[ Utility model ] content
the main object of the utility model is to provide a simple structure, be convenient for adjust foot pipe length, but also can effectively lock the self-tightening extending structure of foot pipe.
In order to realize foretell main objective, the utility model provides a pair of from tight extending structure includes the foot pipe, be provided with connecting motion seat, the multilateral protective sheath and the multilateral inclined plane post that mutually support and use in the foot pipe, the extension of multilateral protective sheath with the spacing breach portion of connecting motion seat is corresponding, connecting motion seat has the post of stretching out, the outside profile of the post of stretching out sets up with the inner wall profile cooperation of multilateral inclined plane post, the side surface of multilateral protective sheath is equipped with the locking hole, the adaptation has the retaining member on the locking hole, the retaining member laminate in the inclined plane of multilateral inclined plane post works as connecting motion seat with during multilateral protective sheath rotation each other, multilateral protective sheath longitudinal direction for multilateral inclined plane post reciprocates, makes the retaining member follow multilateral inclined plane post removes.
The connecting screw penetrates through the polygonal protective sleeve, the polygonal inclined plane column, the connecting moving seat and the self-tightening spring located in the connecting moving seat in sequence.
In a further scheme, the connecting screw is connected with the bottom of the connecting moving seat through a nut.
In a further scheme, a gasket is arranged between the head of the connecting screw and the polygonal protective sleeve.
Still further, a washer is arranged between the self-tightening spring and the nut.
In a further aspect, the retaining member is a self-tightening shaft.
Therefore, the utility model provides a from tight extending structure is applicable to photographic tripod, unipod and walking stick, can the state of quick switch lax and locking, connects the motion seat and rotates for multilateral inclined plane post, and multilateral inclined plane post rotates for multilateral protective sheath reciprocates along the inclined plane of multilateral inclined plane post, and at this moment, the retaining member descends or rises along the inclined plane of multilateral inclined plane post, makes the foot pipe be in locking state or lax state.
Therefore, the pipe and the pipe are sleeved together layer by layer and can rotate, the pipe and the polygonal protective sleeve are matched to move up and down, one row or multiple rows of self-tightening shafts are embedded in one circle of the polygonal protective sleeve, the bottom of the polygonal protective sleeve is provided with a limiting notch, the length of the foot pipe can be conveniently adjusted, and the foot pipe can be effectively locked.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of an embodiment of a self-tightening telescopic structure of the present invention.
Fig. 2 is a schematic view of the self-tightening telescopic structure of the present invention, wherein the leg tube is in a locked state.
Fig. 3 is an assembly diagram of the self-tightening telescopic structure of the present invention, wherein the leg tube is in a locked state.
Fig. 4 is a schematic view of a self-tightening telescopic structure according to an embodiment of the present invention, in which the leg tube is in a loose state.
Fig. 5 is an assembly view of the self-tightening telescopic structure of the present invention, wherein the leg tube is in a loose state.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 merely illustrative of the invention and are not limiting of the invention.
Referring to fig. 1 to 5, the utility model discloses a from tight extending structure includes the foot pipe, is provided with in the foot pipe and connects motion seat 4, multilateral protective sheath 3 and multilateral inclined plane post 5 that mutually support and use, and wherein, the foot pipe includes outer foot pipe 1 and interior foot pipe 2, and interior foot pipe 2 sets up in outer foot pipe 1 inside and can slide or rotate for outer foot pipe 1 in longitudinal direction, and 2 covers of interior foot pipe are established in outer foot pipe 1 promptly to can be in outer foot pipe 1 axial stretch out or retract. The outer leg tube 1 is in threaded connection with the inner leg tube 2 through a connecting sleeve, namely, the lower end of the outer leg tube 1 is connected to the outer surface of the inner leg tube 2 through the connecting sleeve 13. Preferably, the inner leg tube 2 is further sleeved with an inner tube protective sleeve 14.
In this embodiment, the outer contour of the outer leg tube 1 is circular, and the inner wall contour of the outer leg tube 1 is a rhomboid straight-edge composite structure, wherein the rhomboid straight-edge composite structure is composed of a plurality of uniformly distributed straight-edge structures. Or the outer contour of the outer foot tube is circular, and the inner hole of the outer foot tube is a square hole.
in this embodiment, the extension of multilateral protective sheath 3 is corresponding with the spacing breach portion of connecting motion seat 4, it has the post to connect motion seat 4, the outside profile that stretches out the post sets up with the inner wall profile cooperation of multilateral inclined plane post 5, the side surface of multilateral protective sheath 3 is equipped with the locking hole, the adaptation has retaining member 6 on the locking hole, retaining member 6 laminates in the inclined plane of multilateral inclined plane post 5, when connecting motion seat 4 and multilateral protective sheath 3 rotation each other, multilateral protective sheath 3 reciprocates for multilateral inclined plane post 5 in longitudinal direction, impel retaining member 6 to remove along multilateral inclined plane post 5. Preferably, the locking member 6 is a self-tightening shaft.
Wherein, the bottom of connecting motion seat 4 still overlaps and is equipped with multilateral spacing collar 7, and the bottom outer wall of connecting motion seat 4 is equipped with the thread groove, and the thread groove cooperatees with the 7 inner wall profiles of multilateral spacing collar in order to adjust the relative height of outer leg pipe 1 and inner leg pipe 2.
The inside of the foot tube is also provided with a connecting screw 8 and a self-tightening spring 9, the connecting screw 8 sequentially penetrates through the polygonal protective sleeve 3, the polygonal inclined plane column 5, the connecting moving seat 4 and the self-tightening spring 9 positioned in the connecting moving seat 4, and the connecting screw 8 is connected with the bottom of the connecting moving seat 4 through a nut 12.
Preferably, a gasket 10 is further arranged between the head of the connecting screw 8 and the polygonal protective sleeve 3.
Preferably, a washer 11 is further disposed between the self-tightening spring 9 and the nut 12.
In concrete application, the utility model provides a from tight extending structure is applicable to photographic tripod, unipod and walking stick, can change the state of lax and locking fast, when the rotatory inner foot pipe 2 of positive direction, connection motion seat 4 rotates for multilateral inclined plane post 5, multilateral inclined plane post 5 rotates for multilateral protective sheath 3, make multilateral protective sheath 3 move down along the inclined plane of multilateral inclined plane post 5, retaining member 6 descends and produces the extrusion force to the periphery along the inclined plane of multilateral inclined plane post 5 this moment, compel to compress tightly the outer foot pipe, make outer foot pipe 1 and inner foot pipe 2 be in the locking state, at this moment, the extension of multilateral protective sheath 3 is laminated with the spacing breach portion of connection motion seat 4 mutually; when the inner leg tube 2 is rotated in the opposite direction, the locking piece 6 rises along the inclined plane of the polygonal inclined plane column 5, at this time, the inner leg tube 2 and the outer leg tube 1 are kept in a loose state, the inner leg tube 2 can stretch out and draw back in the outer leg tube 1, and at this time, the extension part of the polygonal protective sleeve 3 is separated from the limiting gap part of the connecting motion base 4.
Therefore, the pipe and the pipe are sleeved together layer by layer and can rotate, the pipe and the polygonal protective sleeve 3 are matched to move up and down, one row or multiple rows of self-tightening shafts are embedded in one circle of the polygonal protective sleeve 3, the limiting notch is arranged at the bottom of the polygonal protective sleeve 3, the length of the foot pipe can be conveniently adjusted, and the foot pipe can be effectively locked.
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (6)
1. A self-tightening telescopic structure, comprising:
The polygonal protective sleeve comprises a foot tube, wherein a connecting motion seat, a polygonal protective sleeve and a polygonal inclined plane column are arranged in the foot tube, the polygonal protective sleeve and the polygonal inclined plane column are matched for use, a protruding part of the polygonal protective sleeve corresponds to a limiting notch part of the connecting motion seat, the connecting motion seat is provided with a protruding column, the outer contour of the protruding column is matched with the inner wall contour of the polygonal inclined plane column, a locking hole is formed in the side surface of the polygonal protective sleeve, a locking piece is matched with the locking hole and attached to the inclined plane of the polygonal inclined plane column, and when the connecting motion seat and the polygonal protective sleeve rotate mutually, the polygonal protective sleeve moves up and down relative to the polygonal inclined plane column in the longitudinal direction to enable the locking piece to move along the polygonal inclined plane column.
2. The self-tightening telescopic structure according to claim 1, wherein:
The inside of the foot tube is also provided with a connecting screw and a self-tightening spring, and the connecting screw sequentially penetrates through the polygonal protective sleeve, the polygonal inclined plane column, the connecting moving seat and the self-tightening spring positioned in the connecting moving seat.
3. The self-tightening telescopic structure according to claim 2, wherein:
The connecting screw is connected with the bottom of the connecting moving seat through a nut.
4. The self-tightening telescopic structure according to claim 3, wherein:
And a gasket is also arranged between the head of the connecting screw and the polygonal protective sleeve.
5. The self-tightening telescopic structure according to claim 4, wherein:
And a washer is arranged between the self-tightening spring and the nut.
6. the self-tightening telescopic structure according to any one of claims 1 to 5, wherein:
the retaining member is a self-tightening shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187502.8U CN209781390U (en) | 2019-02-03 | 2019-02-03 | Self-tightening telescopic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920187502.8U CN209781390U (en) | 2019-02-03 | 2019-02-03 | Self-tightening telescopic structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209781390U true CN209781390U (en) | 2019-12-13 |
Family
ID=68794714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920187502.8U Active CN209781390U (en) | 2019-02-03 | 2019-02-03 | Self-tightening telescopic structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209781390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217876A1 (en) * | 2020-04-29 | 2021-11-04 | 张宏彬 | Quick telescopic rod structure |
-
2019
- 2019-02-03 CN CN201920187502.8U patent/CN209781390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021217876A1 (en) * | 2020-04-29 | 2021-11-04 | 张宏彬 | Quick telescopic rod structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10288196B2 (en) | Telescopic waterproof tube structure | |
| KR200444361Y1 (en) | Supporting post for construction | |
| EP3311061B1 (en) | Rest system utilizing trekking poles | |
| US9380844B1 (en) | Adjustable umbrella | |
| US20180031091A1 (en) | Miniature linear actuator | |
| CN209782130U (en) | Self-tightening structure telescopic pipe | |
| US20170089375A1 (en) | Telescoping Pipe Fitting | |
| US20130028656A1 (en) | Rapid locking hand knob construct | |
| CN209781390U (en) | Self-tightening telescopic structure | |
| US8162270B2 (en) | Telescopic tube locking structure | |
| TWM593501U (en) | One-piece bracket for easy storage | |
| CN105179895A (en) | Linkage structure and supporting frame with same | |
| CN103291707B (en) | Pin pipe auto lock fixing apparatus, photographic tripod, Monopod and crutch | |
| WO2017041511A1 (en) | Novel telescopic tube assembly | |
| CN109611669B (en) | Self-tightening structure telescopic pipe | |
| CN209781389U (en) | Automatic fastening structure | |
| CN205001802U (en) | Serial verb constructions and have this serial verb constructions's support | |
| US10451214B2 (en) | Anti-rotation structure, a tube structure and a photographic support | |
| CN210034973U (en) | Universal adjusting support of monitoring camera | |
| CN204901235U (en) | Cloud platform lock limiting device | |
| CN210309757U (en) | Warm logical design is with on-spot investigation with drawing design board | |
| JP3201233U (en) | Automatic leg tube locking device, tripod for shooting, monopod and cane | |
| CN209622399U (en) | A kind of tripod supporting leg pipe | |
| CN111396712A (en) | Movable installation rack for monitoring video and installation method thereof | |
| CN210182369U (en) | Telescopic MOS pipe can be dismantled to foot pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |