WO2023245995A1

WO2023245995A1 - Telescopic folding stand

Info

Publication number: WO2023245995A1
Application number: PCT/CN2022/136248
Authority: WO
Inventors: 孟华玉
Original assignee: 孟华玉
Priority date: 2022-06-24
Filing date: 2022-12-02
Publication date: 2023-12-28
Also published as: CN217714413U

Abstract

A telescopic folding stand, comprising a telescopic pipe (1) and a folding base (2), wherein the folding base comprises a stand base (22) slidably arranged on the telescopic pipe and a plurality of supporting legs (21) hinged to the stand base, and a locking assembly, which is used for fixing the stand base on the telescopic pipe, is provided on the stand base. The telescopic folding stand realizes a telescopic and folding integrated operation.

Description

A telescopic folding bracket

Technical field

The utility model relates to a telescopic folding bracket.

Background technique

Telescopic rods are often made of telescopic hollow cylindrical rods rolled from metal strips or plastic sheets. The characteristic is that the metal strips or plastic sheets are pre-shaped into an elastic curling layer with a memory function that is smaller than the outer diameter of the rod. It has a self-tightening function so that the curled layer always has the elastic potential energy to exert pressure on the telescopic rod. The telescopic pole is divided into two parts: the pole head and the pole. There are two, three or more sections. The length ranges from 1.2 meters to 9 meters. It can be extended or shortened, easy to use and carry, and the length of the telescopic pole can be easily adjusted. . Suitable for various support frames that require height adjustment.

When the telescopic stand is in use with the existing tripod telescopic stand of a mobile phone, it cannot be conveniently operated in a telescopic and folding manner, thus increasing the number of operating steps and making the operation cumbersome.

Utility model content

The technical problem to be solved by this utility model is to provide a telescopic and folding bracket to realize the integrated telescopic and folding operation in view of the current situation of the existing technology.

The technical solution adopted by the utility model to solve the above technical problems is: a telescopic folding bracket, which includes a telescopic tube and a folding support. It is characterized in that: the folding bracket includes a bracket seat slidably arranged on the telescopic tube, a hinged There are a plurality of legs on the bracket base, and the bracket base is provided with a locking component that fixes the bracket base to the telescopic tube.

As an improvement, there are three legs, the three legs are evenly distributed on the bracket base, the cross section of each leg is arc-shaped, and the three legs are combined to form a tubular structure wrapped around the outside of the telescopic tube.

In a further improvement, the root of the telescopic tube is provided with a fixed sleeve, a support rod is hingedly connected to the fixed sleeve, and the outer end of the support rod is used for a connector that can be detachably connected to the support leg.

In a further improvement, the bracket seat includes a seat body that is sleeved on the outer wall of the telescopic tube, and a plurality of hinge parts are radially formed at the bottom of the seat body.

In a further improvement, the locking assembly includes a nut and a screw, and a mounting portion communicated with the inner cavity of the seat is formed on the side wall of the seat. The nut is disposed in the mounting portion, and an inner end of the mounting portion opposite to the nut is formed. Pressure plate, the screw is screwed on the nut to compress the pressure plate.

In a further improvement, the telescopic tube includes an outer tube and an inner tube. A limiting ring is formed on the outer wall of the root of the inner tube. A constriction with a smaller diameter is formed on the top of the outer tube. The limiting ring is slidably disposed in the outer tube, and the inner tube is slidably disposed in the outer tube. On the inner wall of the shrinkage, a sleeve is set on the top of the outer pipe, the inner pipe passes through the sleeve, and a tightening assembly for tightening the inner pipe is provided on the sleeve.

In a further improvement, the tightening assembly includes a nut and a set screw, a connecting portion communicating with the inside of the sleeve is formed on the outer wall of the sleeve, the nut is arranged in the connecting portion, and a connecting portion opposite to the nut is formed at the inner end of the connecting portion. For the pressure plate arranged, the set screw is screwed into the nut to tighten the pressure plate.

Compared with the existing technology, the advantage of the present utility model is that: based on the telescopic tube structure of the bracket, the utility model realizes the integrated operation of telescopic and folding by setting a folding support at the bottom of the telescopic tube. At the same time, the folding support The bracket seat set by sliding moves on the telescopic tube. After the position of the bracket seat is determined, the locking assembly is used to fix the bracket seat on the telescopic tube to realize the position adjustment of the folding bracket on the telescopic tube.

Description of the drawings

Figure 1 is a schematic structural diagram of a telescopic folding bracket in an embodiment of the present utility model;

Figure 2 is a cross-sectional view of Figure 1;

Figure 3 is a schematic structural diagram of the folding support in Figure 1 in an open state;

Figure 4 is a schematic diagram of the partially exploded structure of Figure 1;

Figure 5 is a partial enlarged view of position A in Figure 2.

Detailed ways

The utility model will be described in further detail below with reference to the embodiments of the accompanying drawings.

As shown in Figures 1 to 5, the telescopic and folding bracket in this embodiment includes a telescopic tube 1 and a folding support 2.

Among them, the folding support 2 includes a bracket base 22 slidably arranged on the telescopic tube 1 and a plurality of legs 21 hinged on the bracket base 22. The bracket base 22 is provided with a locking assembly that fixes the bracket base 22 to the telescopic tube 1. , preferably, the bracket base 22 includes a base body 221 that is sleeved on the outer wall of the telescopic tube 1. A plurality of hinge parts 222 are radially formed at the bottom of the base body 221, and each leg 21 is hinged on the hinge parts 222.

Preferably, in the embodiment of the present invention, there are three legs 21, and the three legs 21 are evenly distributed on the bracket base 22. The cross section of each leg 21 is arc-shaped, and the three legs 21 are wrapped in a telescopic body after being combined. The tubular structure outside the tube 1 is such that after the legs 21 are folded and contracted, each leg 21 fits on the outer wall of the telescopic tube 1 to reduce the volume.

Further, in order to improve the stability of the support of the folding support 2, a fixed sleeve 232 is provided at the root of the telescopic tube 1. The fixed sleeve 232 is hinged with a support rod 23, and the outer end of the support rod 23 is used for detachable connection with the support leg 21. connector 231. After the support leg 21 is opened, the support rod 23 is rotated, and the support rod 23 is connected to the support leg 21 using the connector 231 at the outer end of the support rod 23. The support rod 23 realizes the reinforced connection of the support leg 21.

In addition, the locking assembly includes a nut 23 and a screw. A mounting portion 223 communicating with the inner cavity of the seat 221 is formed on the side wall of the base 221. The nut 23 is disposed in the mounting portion 223, and is formed on the inner end of the mounting portion 223. There is a pressure plate 224 opposite to the nut 23, and the screw is screwed on the nut 23 to compress the pressure plate 224.

In addition, in the embodiment of the present invention, the telescopic tube 1 has a telescopic structure. The telescopic tube 1 includes an outer tube 11 and an inner tube 12. A limiting ring 121 is formed on the outer wall of the root of the inner tube 12, and a diameter variable ring is formed on the top of the outer tube 11. The small constriction 111 and the limit ring 121 are slidably disposed in the outer tube 11. The inner tube 12 is slidably disposed on the inner wall of the constriction 111. The top of the outer tube 11 is covered with a sleeve 13, and the inner tube 12 passes through the sleeve 13. , the sleeve 13 is provided with a tightening assembly for tightening the inner tube 12 . Further, the tightening assembly includes a nut 14 and a set screw. A connecting part 131 communicating with the inside of the sleeve 13 is formed on the outer wall of the sleeve 13. The nut 14 is disposed in the connecting part 131, and inside the connecting part 131 The end is formed with a pressing piece 132 arranged opposite to the nut 14, and a set screw is screwed into the nut 14 to compress the pressing piece 132.

In summary, the present utility model realizes the integrated operation of the telescopic and folding 1 by arranging the folding support 2 at the bottom of the telescopic tube 1 based on the structure of the telescopic tube 1 of the bracket. At the same time, the folding support 2 is provided by sliding the bracket seat. 22 moves on the telescopic tube 1. After the position of the bracket seat 22 is determined, the bracket seat 22 is fixed on the telescopic tube 1 using the locking assembly to realize the position adjustment of the folding support 2 on the telescopic tube 1.

Claims

A telescopic and folding bracket includes a telescopic tube (1) and a folding support (2), characterized in that: the folding support (2) includes a bracket seat (22) slidably arranged on the telescopic tube (1), a hinged A plurality of legs (21) are provided on the bracket base (22), and the bracket base (22) is provided with a locking assembly for fixing the bracket base (22) to the telescopic tube (1).
The telescopic folding stand according to claim 1, characterized in that: the said legs (21) have three, the three legs (21) are evenly distributed on the stand seat (22), and the cross section of each leg (21) It is arc-shaped, and the three legs (21) are combined to form a tubular structure wrapped around the outside of the telescopic tube (1).
The telescopic folding bracket according to claim 2, characterized in that: a fixed sleeve (232) is provided at the root of the telescopic tube (1), a support rod (23) is hinged on the fixed sleeve (232), and the support rod (23 ) is used for a connector (231) that is detachably connected to the support leg (21).
The telescopic folding bracket according to claim 1, characterized in that: the bracket seat (22) includes a seat body (221) sleeved on the outer wall of the telescopic tube (1), and radially formed at the bottom of the seat body (221). Multiple hinges (222).
The telescopic folding bracket according to claim 4, characterized in that: the locking assembly includes a nut (23) and a screw, and a mounting hole is formed on the side wall of the base body (221) that communicates with the inner cavity of the base body (221). part (223), the nut (23) is arranged in the mounting part (223), a pressure plate (224) opposite to the nut (23) is formed at the inner end of the mounting part (223), and the screw is screwed to the nut (223). 23) is used to compress the pressure plate (224).
The telescopic folding bracket according to claim 1, characterized in that: the telescopic tube (1) includes an outer tube (11) and an inner tube (12), and a limiting ring (121) is formed on the outer wall of the root of the inner tube (12). , a shrinkage (111) with a reduced diameter is formed on the top of the outer tube (11), the limit ring (121) is slidably disposed in the outer tube (11), and the inner tube (12) is slidably disposed on the inner wall of the shrinkage (111) , the top of the outer tube (11) is covered with a sleeve (13), the inner tube (12) passes through the sleeve (13), and the sleeve (13) is provided with a jack for tightening the inner tube (12) components.
The telescopic folding bracket according to claim 6, characterized in that: the tightening assembly includes a nut (14) and a set screw, and a hole is formed on the outer wall of the sleeve (13) that communicates with the inside of the sleeve (13). In the connecting part (131), the nut (14) is arranged in the connecting part (131). A pressing piece (132) arranged opposite to the nut (14) is formed at the inner end of the connecting part (131), and the set screw is screwed It is used to compress the pressing piece (132) in the nut (14).