CN219367254U

CN219367254U - Support frame

Info

Publication number: CN219367254U
Application number: CN202320700216.3U
Authority: CN
Inventors: 吴晓志
Original assignee: University of Electronic Science and Technology of China Zhongshan Institute
Current assignee: University of Electronic Science and Technology of China Zhongshan Institute
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-18
Anticipated expiration: 2033-03-31

Abstract

The utility model relates to a bracket, which comprises a tripod and a mounting platform, wherein the mounting platform is provided with a plurality of clamping mechanisms, an angle adjusting device is arranged between the mounting platform and a tripod head of the tripod, the angle adjusting device comprises an upper arm and a lower arm, clamping grooves are formed in the surfaces of the upper arm opposite to the lower arm, inner clamping teeth are arranged in the clamping grooves, an empty avoidance groove is formed in the lower arm, a clamping block and an elastic piece are arranged between the upper arm and the lower arm, the clamping block is provided with a plurality of outer clamping teeth, and under the action of the elastic piece, the clamping block is clamped in the clamping grooves and the empty avoidance groove at the same time, and the inner clamping teeth are in meshed connection with the outer clamping teeth; the elastic piece is overcome by pressing the clamping block, when the clamping block is separated from the clamping groove and falls in the clearance groove to enable the upper arm and the lower arm to rotate mutually, the inner clamping tooth and the outer clamping tooth are separated mutually, and the rotating clamping block can rotate freely. The utility model has the advantages that a plurality of video devices can be fixed at the same time, the angle adjustment is convenient, and even if the plurality of video devices are fixed, the video devices are not easy to rotate under the action of gravity, and the use is not affected.

Description

Support frame

Technical Field

The present utility model relates to a stent.

Background

Live broadcast of electronic commerce is a shopping mode, and when live broadcast of a host broadcast with goods, a bracket is needed to fix a plurality of mobile phones or video equipment. The existing support cannot conduct angle adjustment on video equipment, or is unstable in structure, especially when a plurality of video equipment are fixed, the installation platform can easily rotate under the action of gravity of a plurality of equipment to affect use, and therefore the existing support structure is necessary to improve.

Disclosure of Invention

The utility model aims to provide a bracket which can fix a plurality of video devices at the same time and is convenient for angle adjustment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the bracket comprises a tripod and a mounting platform arranged on the tripod, wherein the mounting platform is detachably provided with a plurality of clamping mechanisms, an angle adjusting device is arranged between the mounting platform and a tripod head of the tripod, the angle adjusting device comprises an upper arm which is connected with the mounting platform in a hinged manner and a lower arm which is connected with the tripod in a mounted manner, a clamping groove is formed in the surface, opposite to the upper arm, of the upper arm, a plurality of inner clamping teeth with a rotation central shaft of the upper arm as a central shaft are arranged in the clamping groove, a clearance groove is formed in the clamping groove, corresponding to the clamping groove of the upper arm, a clamping block and an elastic piece are arranged between the upper arm and the lower arm, the clamping block is provided with a plurality of outer clamping teeth corresponding to the clamping teeth, and the clamping block is clamped in the clamping groove and the clearance groove simultaneously to prevent the mutual rotation of the upper arm and the lower arm under the action of the elastic piece, and the inner clamping teeth and the outer clamping teeth are in meshed connection; the elastic piece is overcome by pressing the clamping block, when the clamping block is separated from the clamping groove and falls in the clearance groove to enable the upper arm and the lower arm to rotate mutually, the inner clamping tooth and the outer clamping tooth are separated mutually, and the rotating clamping block can rotate freely.

The utility model has the advantages that a plurality of video devices can be fixed at the same time, the angle adjustment is convenient, and even if the plurality of video devices are fixed, the video devices are not easy to rotate under the action of gravity, and the use is not affected.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a bracket according to an embodiment (a tripod is omitted).

Fig. 2 is a schematic view of a three-dimensional structure of an angle adjusting device according to an embodiment.

Fig. 3 is a schematic cross-sectional view of the angle adjusting device according to the embodiment.

Fig. 4 is a schematic view showing a three-dimensional exploded state structure of the angle adjusting device according to the embodiment.

Fig. 5 is a schematic view (single-sided) of a three-dimensional exploded state structure of an angle adjusting device according to an embodiment.

Detailed Description

A bracket comprises a tripod and a mounting platform 1. The tripod can be provided with a light supplementing lamp main body for supplementing light when people use the tripod.

As shown in fig. 1, the mounting platform 1 is detachably mounted with a plurality of clamping mechanisms 11, and in use, the clamping mechanisms 11 can be used to clamp a stationary translation looper or video device. Specifically, the mounting platform 1 is provided with a plurality of sets of mounting screw holes along its longitudinal direction, each set of mounting screw threads is formed by a plurality of mounting screw holes 12 distributed at intervals along the transverse direction of the mounting platform 1, each clamping mechanism 11 is provided with a bolt, and the clamping mechanism 11 is mounted on the mounting platform 1 by screwing the bolts with the mounting screw holes 12.

An angle adjusting device is arranged between the mounting platform 1 and the tripod head.

As shown in fig. 2 to fig. 4, the angle adjusting device comprises an upper arm 2 and a lower arm 3, wherein the upper arm 2 and the lower arm 3 are connected with the mounting platform 1 in a hinged manner, the lower arm 3 and the upper arm 2 are connected in a mounting manner, a clamping groove 21 is formed in the surface, opposite to the lower arm 3, of the upper arm 2, a plurality of inner clamping teeth 22 with the rotation central shaft of the upper arm 2 as the central shaft are arranged in the clamping groove 21, a clearance groove 31 is formed in the clamping groove 21, corresponding to the upper arm 2, of the lower arm 3, a clamping block 4 and an elastic piece 5 are arranged between the upper arm 2 and the lower arm 3, the clamping block 4 is provided with a plurality of outer clamping teeth 41, the clamping block 4 is clamped in the clamping groove 21 and the clearance groove 31 simultaneously under the action of the elastic piece 5, and the inner clamping teeth 22 and the outer clamping teeth 41 are in meshed connection; when the pressing fixture block 4 overcomes the action of the elastic piece 5 and the fixture block 4 is separated from the clamping groove 21 and falls in the clearance groove 31 so that the upper arm 2 and the lower arm 3 can rotate mutually, the inner clamping tooth 22 and the outer clamping tooth 41 are separated mutually, and the rotating fixture block 4 can rotate freely.

One end face of the clamping block 4 is provided with a butt joint groove 42; the angle adjusting device further comprises a turning key 6, the turning key 6 comprises a pressing part and a pressing arm 61 axially extending from the pressing part, the pressing arm 61 axially penetrates through the upper arm 2 or the lower arm 3 along the rotating shafts of the upper arm 2 and the lower arm 3 and stretches into the abutting groove 42 of the clamping block 4, when the upper arm 2 and the lower arm 3 can rotate mutually, the inner clamping tooth 22 and the outer clamping tooth 41 are separated mutually, the turning key 6 can drive the clamping block 4 to rotate, so that the mutual angle change of the upper arm 2 and the lower arm 3 is realized, the pressing of the turning key 6 is relieved, the inner clamping tooth 22 and the outer clamping tooth 41 are meshed and connected again, the upper arm 2 and the lower arm 3 cannot rotate relatively, the mutual angle adjustment of the upper arm 2 and the lower arm 3 is realized, the integral adjustment of the angle of the mounting platform 1 is realized, and the angle of a single clamping device is not required to be adjusted.

The top end of the lower arm 3 is provided with a pivoting portion, the lower end of the upper arm 2 is provided with a pivot shaft inserted into the pivoting portion and rotatable in the pivoting portion, and the pivot shaft is inserted into the pivoting portion when the upper arm 2 and the lower arm 3 are butted together.

The clamping block 4 comprises a body and a blocking part extending outwards from the body in the radial direction, the outer clamping teeth 41 are arranged on the side surface of the blocking part, the clamping groove 21 and the clearance groove 31 are respectively provided with a propping part and a propping part corresponding to the blocking part of the clamping block 4, and the pivoting part penetrates through the body of the clamping block 4.

The body of fixture block 4 is the ring form, and the one end of body inner wall is provided with annular boss, and elastic component 5 cover is established on the pivot portion, and the one end of elastic component 5 supports on annular boss, and the other end supports on the bottom surface of avoiding empty groove 31.

The clearance grooves 31 are respectively arranged on two side surfaces of the top end of the lower wall, the lower end of the upper arm 2 is provided with two opposite inner side surfaces, the clamping grooves 21 are respectively arranged on the two inner side surfaces, and the elastic piece 5 and the clamping block 4 are respectively arranged between the opposite surfaces of the corresponding upper arm 2 and the corresponding lower arm 3.

The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are all equivalent substitutions and are included in the scope of the present utility model.

Claims

1. The bracket comprises a tripod and a mounting platform arranged on the tripod, wherein the mounting platform is detachably provided with a plurality of clamping mechanisms, an angle adjusting device is arranged between the mounting platform and a tripod head of the tripod, and the bracket is characterized in that the angle adjusting device comprises an upper arm which is connected with the mounting platform in a hinged manner and a lower arm which is connected with the tripod in a mounted manner, a clamping groove is formed in the surface, opposite to the upper arm, of the upper arm, inner clamping teeth with a rotation central shaft of the upper arm as a central shaft are arranged in the clamping groove, a clearance groove is formed in the clamping groove, corresponding to the clamping groove of the upper arm, a clamping block and an elastic piece are arranged between the upper arm and the lower arm, the clamping block is provided with a plurality of outer clamping teeth corresponding to the clamping teeth, and the clamping block is clamped in the clamping groove and the clearance groove simultaneously to prevent the mutual rotation of the upper arm and the lower arm, and the outer clamping teeth are in meshed connection; the elastic piece is overcome by pressing the clamping block, when the clamping block is separated from the clamping groove and falls in the clearance groove to enable the upper arm and the lower arm to rotate mutually, the inner clamping tooth and the outer clamping tooth are separated mutually, and the rotating clamping block can rotate freely.

2. A bracket according to claim 1, wherein the mounting platform is provided with a plurality of sets of mounting screw holes along its longitudinal direction, each set of mounting screw holes being formed by a plurality of mounting screw holes spaced apart transversely along the mounting platform, each of said clamping means being provided with a bolt, the clamping means being mounted on the mounting platform by screwing the bolt into the mounting screw hole.

3. A stand according to claim 1, wherein the top end of the lower arm is provided with a pivot portion, the lower end of the upper arm is provided with a pivot shaft inserted into the pivot portion and rotatable in the pivot portion, and the pivot shaft is inserted into the pivot portion when the upper arm and the lower arm are butted together.

4. A bracket according to claim 3, wherein the clamping block comprises a body and a blocking portion extending radially outwardly from the body, the outer clamping teeth are disposed on the side surfaces of the blocking portion, the blocking portion and the blocking portion of the clamping block are respectively provided with a top portion and a bottom portion, and the pivoting portion is inserted through the body of the clamping block.

5. The bracket of claim 4, wherein the body of the clamping block is circular, one end of the inner wall of the body is provided with an annular boss, the elastic member is sleeved on the pivoting part, one end of the elastic member abuts against the annular boss, and the other end of the elastic member abuts against the bottom surface of the clearance groove.

6. A bracket according to claim 3, wherein one of the end faces of the clamping block is provided with a docking slot; the angle adjusting device further comprises a rotating key, the rotating key comprises a pressing part and a pressing arm axially extending from the pressing part, and the pressing arm axially penetrates through the upper arm or the lower arm along the rotating shafts of the upper arm and the lower arm and stretches into the butt joint groove of the clamping block.

7. A stand according to any one of claims 1 to 6 wherein the clearance grooves are provided on two opposite sides of the top end of the lower wall, the lower end of the upper arm has two opposite inner sides, the clamping grooves are provided on the two opposite inner sides, and the elastic member and the clamping block are provided between the opposite sides of the corresponding upper arm and lower arm.