CN218581996U - Telescopic link and camera support - Google Patents

Abstract

The utility model discloses a telescopic link and camera support, include: a first telescopic tube; the second telescopic pipe is inserted into the first telescopic pipe to form a complete pipe structure, and can slide along the axial direction of the first telescopic pipe; the sliding stopping sheet is arranged at the rear end of the second telescopic pipe inserted into the first telescopic pipe and is used for forming a damping force for limiting the relative sliding of the first telescopic pipe and the second telescopic pipe; the sliding stopping piece comprises a main body matched with the outer wall surface of the second telescopic pipe and at least one group of protrusion groups arranged on the main body along the axial direction, and each group of protrusion groups comprises at least two protrusions which are arranged at intervals along the circumferential direction and protrude towards the side of the first telescopic pipe. The utility model discloses a telescopic link, only gleitbretter increases with the frictional force between the telescopic link, makes in the telescopic link recycles the in-process, reduces the decay rate of the elastic force of only gleitbretter prolongs the life of product.

Description

Telescopic link and camera support

Technical Field

The utility model relates to a telescopic link and camera support.

Background

The telescopic link extensively applies to each field, especially photographic goods field and electrical apparatus technical field, like the foot pipe of tripod, unipod, from rapping bar, flexible light filling lamp, live support, cell phone stand, folding fan etc.. The existing telescopic rod usually comprises a plurality of sub-tubes with diameters gradually changing from large to small, wherein the sub-tubes are nested with each other, a slip stopping sheet used for generating damping force between the two sub-tubes is arranged between the two adjacent sub-tubes, and friction force is generated by the elastic deformation of the slip stopping sheet and the friction of the inner wall of the telescopic rod. After the existing slip-stopping sheet is used for a period of time, the elastic force of the slip-stopping sheet is too quickly attenuated, so that the damping force between sub-pipes is reduced, and the positioning effect is deteriorated.

Disclosure of Invention

To the above-mentioned prior art current situation, the utility model aims to solve the technical problem that a damping force is even and the telescopic link that decay rate is little is provided.

In order to solve the technical problem, the utility model provides a telescopic link, include: a first telescopic tube; the second telescopic pipe is inserted into the first telescopic pipe to form a complete pipe structure, and the second telescopic pipe can slide along the axial direction of the first telescopic pipe; the sliding stop piece is arranged at the rear end of the second telescopic pipe inserted into the first telescopic pipe and used for forming a damping force for limiting the relative sliding of the first telescopic pipe and the second telescopic pipe, the sliding stop piece comprises a main body matched with the outer wall surface of the second telescopic pipe and at least one group of protrusion groups arranged on the main body along the axial direction, and each group of protrusion groups comprises at least two protrusions which are arranged at intervals along the circumferential direction and protrude towards the first telescopic pipe side.

The utility model discloses a telescopic link, because set up the at least a set of protruding group of arranging along the axial on the limited slip sheet, just every protruding group of group all includes two at least orientation of arranging along the circumferencial direction interval the protruding arch of first flexible pipe side for only the gleitbretter increases with the frictional force between the telescopic link, and in the telescopic link used repeatedly, reduces the decay rate of the elastic force of only the gleitbretter, makes damping force between the flexible pipe of first flexible pipe and second even, thereby makes the tensile of telescopic link feel even, smooth and easy with the shrink, prolongs the life of product.

Preferably, each set of protrusions comprises two protrusions symmetrically arranged along a center line of the outer side surface of the main body.

Preferably, the slide stopper includes two or more protrusion sets, and the two or more protrusion sets are arranged at intervals in the axial direction.

Preferably, the projection further comprises a transition surface connected between the top contact surface and the outer side surface of the body.

Preferably, the top contact surface is an arc surface matched with the outer wall surface of the second extension tube.

Preferably, the top contact surface is square.

Preferably, there is a distance between the transition surface and an edge of the body.

Preferably, the transition surface comprises a first transition arc surface and a second transition arc surface, the upper end of the first transition arc surface is connected with the top contact surface, the lower end of the first transition arc surface is connected with the upper end of the second transition arc surface, and the lower end of the second transition arc surface is connected with the arc surface.

Preferably, the first transition arc face and the second transition arc face are oppositely wavy.

The utility model provides a photographic support, include flexible pipe.

The advantageous effects of the additional features of the present invention will be explained in the detailed description of the preferred embodiments of the present description.

Drawings

Fig. 1 is a perspective view of a telescopic rod according to a first embodiment of the present invention;

FIG. 2 is an exploded view of the telescoping pole shown in FIG. 1;

FIG. 3 is a front view of the anti-slip sheet of the telescopic rod shown in FIG. 1;

fig. 4 is a schematic cross-sectional view of the anti-slip sheet of the present invention.

Description of reference numerals: 10. a first telescopic tube; 11. the front end of the first extension tube; 12. the rear end of the first extension tube; 13. positioning holes; 20. a second telescopic tube; 21. the front end of the second extension tube; 22. the rear end of the second extension tube; 23. positioning holes; 30. a slip-stop sheet; 31. a main body; 32. a protrusion; 321. a top contact surface; 322. a first transition arc surface; 323. a second transition arc surface; 33. a positioning column; 34. a limiting step; 40. a limiting sleeve; 41. and a positioning projection.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the features in the following embodiments and examples may be combined with each other without conflict.

In the description of the present invention, it should be understood that the terms "center" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is merely for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the following description, for the purpose of convenience, a "first telescopic tube 10" and a "second telescopic tube 20" are taken as examples, but it cannot be understood that the telescopic rod in the present embodiment only includes two pipe members, and the telescopic rod may be provided with more than two pipe members according to actual needs. The position between the "first telescopic tube 10" and the "second telescopic tube 20" is a relative position, i.e. the "first telescopic tube 10" could also be inserted inside another tube and become the "second telescopic tube 20", and the "second telescopic tube 20" could also be sleeved outside another tube and become the "first telescopic tube 10".

As shown in fig. 1-2, the telescopic tube in the first embodiment of the present invention includes a first telescopic tube 10, a second telescopic tube 20 and a non-slip sheet 30, the first telescopic tube 10 and the second telescopic tube 20 are made of metal material (such as aluminum) or other rigid material, the inner diameter of the second telescopic tube 20 is smaller than the outer diameter of the first telescopic tube 10, and the second telescopic tube 20 is inserted into the first telescopic tube 10 and can slide along the axial direction of the first telescopic tube 10. For convenience of description, the first telescopic tube 10 is defined as having a rear end 12 at one end and a front end 11 at the other end. The second telescopic tube 20 is inserted into the first telescopic tube 10 with one end being a rear end 22 and the other end being a front end 21.

A stop 30 is provided at rear end 22 of second bellows 20 for providing a damping force for the relative sliding movement of first bellows 10 and second bellows 20. Preferably, two anti-slip sheets 30 are provided, and two anti-slip sheets 30 are oppositely installed at both sides of rear end 22 of second telescopic tube 20. The anti-slip sheet 30 is made of plastic or other elastic material.

As shown in fig. 3-4, the anti-slip sheet 30 includes at least one set of protrusions arranged on the main body 31 along the axial direction, the main body 31 is matched with the outer wall surface of the second extension tube 20, each set of protrusions includes at least two protrusions 32 arranged along the circumferential direction at intervals and protruding toward the first extension tube 10, and each protrusion 32 includes a top contact surface 321 and a transition surface connected between the top contact surface and the outer side surface of the main body. The top contact surface 321 of the protrusion 32 is abutted against the inner wall surface of the first extension tube 10, and a damping is formed between the top contact surface 321 of the protrusion 32 and the inner wall surface of the first extension tube 10, so that the second extension tube 20 is fixed at any position in the first extension tube 10, and the length of the extension tube is conveniently adjusted. The utility model discloses a limited slip sheet 30, owing to at least a set of protruding group of arranging along the axial at main part 31, and every protruding group of group all includes at least two along the protruding 32 of the first flexible pipe 10 side of orientation of arranging of circumferencial direction interval, independent each other just for sealing the convex closure structure between protruding 32 for limited slip sheet 30 between the flexible pipe 20 of first flexible pipe 10 and second receives the extrusion force can reduce the elasticity decay rate of limited slip sheet. Therefore, after the telescopic rod is used for a long time, the damping force can be kept uniform, so that the telescopic rod is uniform and smooth in stretching and shrinking handfeel, and the consumer experience is good.

Preferably, each set of protrusions includes two protrusions 32, the two protrusions 32 are symmetrically arranged along a center line of the outer side surface of the main body 31, and a distance exists between the protrusions and an edge of the sliding stopping sheet, so that a damping force of the sliding stopping sheet 30 in a circumferential direction is greatly improved.

Preferably, the anti-slip sheet 30 includes two or more sets of protrusions, and the two or more sets of protrusions are arranged at intervals along the axial direction, so that the damping force of the anti-slip sheet 30 in the axial direction is further increased.

Preferably, the top contact surface 321 of the protrusion 32 is an arc surface matched with the outer wall surface of the second extension tube 20, and the design of the arc surface can increase the contact area of the sliding stopper, increase the friction force, and improve the damping force.

Preferably, the top contact surface 321 is "square," which may further increase the contact area and increase the friction.

Preferably, the transition surface comprises a first transition arc surface 322 and a second transition arc surface 323, the upper end of the first transition arc surface 322 is connected with the top contact surface 321, the lower end of the first transition arc surface is connected with the upper end of the second transition arc surface 323, the lower end of the second transition arc surface 323 is connected with the arc surface, and the first transition arc surface 322 and the second transition arc surface 323 face towards opposite directions and are in a wave shape. The wave transition surface makes when the top contact surface receives the pressing force, and wave transition cambered surface can play better supporting role to the top contact surface, prevents that it from collapsing, and at the telescopic link tensile in-process repeatedly, the decay rate of the elasticity that reduces the gleitbretter is favorable to extension product life.

Preferably, a positioning structure is arranged between the anti-slip sheet 30 and the rear end of the second telescopic tube 20, the positioning structure includes a positioning column 33 arranged on the inner surface of the main body 31 and a positioning hole 23 arranged on the rear end of the second telescopic tube 20 and matched with the positioning column 33, and the positioning column 33 avoids the position of the protrusion 32. The anti-slip sheet 30 is limited by the positioning hole 23 and the positioning post 33. In order to axially limit the anti-slip sheet 30, the front end of the main body 31 is provided with a limit step 34 protruding toward the second telescopic tube 20 side.

In one embodiment, the telescoping tubes further comprise a stop collar 40, the stop collar 40 is fixed at the front end of the first telescoping tube 10, and the stop collar 40 cooperates with the anti-slip sheet 30 to prevent the second telescoping tube 20 from slipping off. As shown in fig. 2, a positioning protrusion 41 is disposed on an outer side surface of the position-limiting sleeve 40, and a positioning hole 13 matched with the positioning protrusion 41 is disposed on the first telescopic tube 10.

In another embodiment of the present invention, a camera support is provided, which comprises the above-mentioned telescopic tube. The camera stand may be a tripod, a monopod, or a selfie stick.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention.

Claims (10)

1. A telescoping pole, comprising:

a first telescopic tube;

the second telescopic pipe is inserted into the first telescopic pipe to form a complete pipe structure, and the second telescopic pipe can slide along the axial direction of the first telescopic pipe; and

the sliding stopping sheet is arranged at the rear end of the second telescopic pipe inserted into the first telescopic pipe and is used for forming a damping force for limiting the relative sliding of the first telescopic pipe and the second telescopic pipe;

the sliding stopping piece is characterized by comprising a main body matched with the outer wall surface of the second telescopic pipe and at least one group of protrusion groups arranged on the main body along the axial direction, wherein each group of protrusion groups comprises at least two protrusions which are arranged along the circumferential direction at intervals and protrude towards the first telescopic pipe side.

2. The extension pole of claim 1 wherein each set of protrusions comprises two protrusions symmetrically disposed along a centerline of the outer side of the main body.

3. The extension pole of claim 1 wherein said slip stop comprises two or more sets of protrusions, said two or more sets of protrusions being axially spaced apart.

4. The extension pole of any one of claims 1 to 3 wherein the protrusion comprises a top contact surface and a transition surface connected between the top contact surface and the outer side surface of the body.

5. A telescopic rod according to claim 4, wherein the top contact surface is an arc surface matching the outer wall surface of the second telescopic tube.

6. The extension pole of claim 5 wherein said top contact surface is square.

7. The extension pole of claim 4 wherein there is a distance between the transition surface and an edge of the main body.

8. The extension pole of claim 4, wherein the transition surface comprises a first transition arc surface and a second transition arc surface, the upper end of the first transition arc surface is connected with the top contact surface, the lower end of the first transition arc surface is connected with the upper end of the second transition arc surface, and the lower end of the second transition arc surface is connected with the arc surface.

9. The extension pole of claim 8 wherein said first transition curve and said second transition curve are oppositely facing and undulate.

10. A camera rig, comprising a telescopic pole according to any one of claims 1 to 9.

Images