A subway camera mounting tripod

Abstract

This utility model discloses a subway camera mounting bracket, belonging to the field of subway station electromechanical equipment installation technology. The utility model includes a support arm and a universal support fixed to one end of the support arm. The universal support includes an upper body and a lower body with a U-shaped structure. The lower body has a central hole and at least one positioning hole on its side wall, and the upper body has a mounting hole on its upper surface. It also includes a quick-release rod that can pass through a connection hole and a track hole on the side wall of the upper body. One end of the quick-release rod is threaded to the central hole and the positioning hole, and the other end is rotatably connected to a pressure handle via a shaft. A pressure sleeve is fitted onto the quick-release rod, and the pressure handle presses against the top of the pressure sleeve via a cam portion, clamping the upper body and the lower body side walls. This utility model has the advantages of convenient adjustment, stable support, and helps ensure a stable camera recording angle.

Description

Technical Field

[0001] This utility model relates to the field of subway station electromechanical equipment installation technology, and in particular to a subway camera mounting bracket. Background Technology

[0002] When a subway train enters a station, the high-speed train compresses and disturbs the surrounding air, causing air molecules to vibrate at high frequencies and form sound waves. In addition, unevenness or wear on the contact surface between the wheels and the rails can also generate additional vibrations. These vibrations are transmitted to the tunnel's roof beams and walls. The station's cameras are mounted on these beams or walls using mounting tripods. Traditional mounting tripods use duckbill universal brackets to fix the camera body, with the two brackets connected by bolts. When the subway vibrates, these bolts can easily loosen, causing the support to drop and the angle between the two brackets to change, affecting the recording angle. Utility Model Content

[0003] The purpose of this invention is to overcome the defects of the existing technology and provide a subway camera mounting bracket that is easy to adjust and provides stable support.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] This utility model discloses a subway camera mounting tripod, comprising:

[0006] Support arm, universal joint fixed to one end of the support arm;

[0007] The universal support includes an upper support body and a lower support body with a U-shaped structure;

[0008] The lower seat body has a central hole and at least one positioning hole on its side wall, and the upper seat body has a mounting hole on its upper surface; it also includes...

[0009] A quick-release rod is provided that can penetrate the connecting hole and the track hole opened on the side wall of the upper seat. One end of the quick-release rod is threaded to the center hole and the positioning hole, and the other end is rotatably connected to a pressure handle via a shaft. A pressure sleeve is fitted on the quick-release rod, and the pressure handle abuts against the top of the pressure sleeve via a cam portion to press the upper seat and the side wall of the lower seat.

[0010] Furthermore, one end of the pressure sleeve has a pressing surface, and the other end has a concave arc surface, which forms a surface contact with the cam portion of the pressure handle.

[0011] Furthermore, a positioning block is fixedly connected to the inner wall of the lower seat body at the positions corresponding to the central hole and the positioning hole, and the positioning block is provided with a screw hole.

[0012] Furthermore, the positioning block is a welded nut or a bushing with a threaded hole.

[0013] Furthermore, both the pressure handle and the pressure sleeve are made of plastic.

[0014] Furthermore, the pressure handle is integrally formed with a wing plate on one side of the cam portion, and the wing plate protrudes from the outer wall of the cam portion.

[0015] Furthermore, the support arm has an L-shaped structure, with a base fixedly connected to the top of the support arm and the bottom of the support arm fixedly connected to the lower seat.

[0016] Furthermore, the angle between the vertical and horizontal sections of the L-shaped support arm is 90°, and the vertical section is a telescopic rod.

[0017] Furthermore, the support arm has a straight-line structure, with one end of the support arm fixedly connected to the base and the other end fixedly connected to the lower seat body.

[0018] Furthermore, both the pressure handle and the pressure sleeve are made of plastic.

[0019] In the above technical solution, the subway camera mounting tripod provided by this utility model has the following advantages:

[0020] The subway camera mounting bracket designed in this utility model connects the upper and lower base bodies via a quick-release rod. A pressure handle is connected to the top of the quick-release rod. The quick-release rod utilizes the structural characteristics of the cam part of the pressure handle to squeeze the pressure sleeve to eliminate the gap between the side walls of the upper and lower base bodies, locking the tilt angle of the upper base body relative to the lower base body, ensuring support stability, and facilitating disassembly and assembly, thereby achieving the purpose of ensuring a stable camera recording angle. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0022] Figure 1 This is a schematic diagram of the overall structure of a subway camera mounting bracket disclosed in this utility model;

[0023] Figure 2 This is a front view of a universal support for a subway camera mounting tripod disclosed in this utility model;

[0024] Figure 3 This is an isometric drawing of a universal support for a subway camera mounting bracket disclosed in this utility model.

[0025] Figure 4This is a schematic diagram of the overall structure of another embodiment of a subway camera mounting bracket disclosed in this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Support arm; 2. Upper body; 21. Mounting hole; 22. Track hole; 3. Lower body; 4. Quick release rod; 5. Pressure handle; 51. Wing plate; 6. Pressure sleeve; 61. Concave arc surface; 7. Positioning block; 8. Base. Detailed Implementation

[0028] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0029] See Figure 1-3 As shown;

[0030] A utility model discloses a subway camera mounting bracket, comprising: a support arm 1 and a universal support;

[0031] One end of the support arm 1 is fixedly connected to a universal support, which is fixedly connected to the camera body. The universal support is a duckbill universal support in the prior art.

[0032] The universal support includes an upper body 2 and a lower body 3. Both the upper body 2 and the lower body 3 are bent into a U-shaped structure by a bending process. Specifically, the two vertical sections of the U-shaped structure are triangular to avoid mechanical interference when the upper body 2 rotates relative to the lower body 3 after the two bodies are assembled.

[0033] The lower body 3 has a central hole and a positioning hole on its side wall. The positioning hole can be one or three depending on the usage requirements. When there is one positioning hole, the positioning hole is located below the central hole. When there are three positioning holes, the positioning holes are evenly distributed on a virtual circle with the central hole as the center. The diameter of the virtual circle is equal to that of the center circle of the trajectory hole of the upper body 2. The upper surface of the upper body 2 has a star-shaped or cross-shaped mounting hole 21, which is fixedly connected to the camera body through the mounting hole 21.

[0034] The mounting bracket also includes a quick-release lever 4;

[0035] The lower body 3 has quick-release rods 4 installed in both the center hole and the positioning hole. During assembly, the quick-release rods 4 can pass through the connecting hole and the track hole 22 opened in the upper body 2 and be threaded to the center hole and the positioning hole respectively. Specifically, the track hole 22 is a long arc-shaped waist hole.

[0036] The quick-release lever 4 is rotatably connected to a pressure handle 5 via a shaft, and a pressure sleeve 6 is fitted under the pressure handle 5. The pressure handle 5 presses against the top of the pressure sleeve 6 via a cam portion, pressing the side walls of the upper seat 2 and the lower seat 3. The pressure sleeve 6 is squeezed by the structural characteristics of the cam portion of the pressure handle 5, thereby eliminating the gap between the side walls of the upper seat 2 and the lower seat 3, locking the tilt angle of the upper seat 2 relative to the lower seat 3, ensuring support stability, and facilitating disassembly and assembly.

[0037] See Figure 2 As shown:

[0038] Preferably, one end of the pressure sleeve 6 has a pressing surface, and the other end has a concave arc surface 61. The concave arc surface 61 contacts the cam part of the pressure handle 5. The concave arc surface 61 forms a surface contact with the convex arc surface of the cam part, which increases the contact area and the friction force.

[0039] Preferably, a positioning block 7 is fixedly connected to the inner wall of the lower body 3 at the positions corresponding to the center hole and the positioning hole. The positioning block 7 has a screw hole and is threadedly connected to the quick release rod 4 through the screw hole. Specifically, the positioning block 7 is a welded nut or a bushing with a screw hole. Thus, the lower body 3 increases the wall thickness at the positions of the center hole and the positioning hole through the positioning block 7, and increases the length of the screw hole, overcoming the problem of slippage when installing and adjusting the quick release rod 4 due to the thin wall thickness of the lower body 3.

[0040] Preferably, both the pressure handle 5 and the pressure sleeve 6 are made of plastic. The pressure handle 5 has an integrally formed wing plate portion 51 protruding from its outer wall on one side of the cam portion. The wing plate portion 51 drives the cam portion to rotate around the eccentric hole. During assembly, the cam portion of the pressure handle 5 is rotatably connected to the shaft on the screw through the eccentric hole. By moving the wing plate portion 51, the cam portion presses the pressure sleeve 6 or releases the pressure sleeve 6, thereby quickly locking or unlocking.

[0041] See Figure 1 As shown:

[0042] Preferably, the support arm 1 has an L-shaped structure, with a base 8 fixedly connected to the top of the support arm 1 and the bottom of the support arm 1 fixedly connected to the lower seat 3.

[0043] Specifically, the angle between the vertical and horizontal sections of the L-shaped support arm 1 is 90°. The vertical section is a telescopic rod structure that can extend and retract. The top of the vertical section of the support arm 1 is fixedly connected to the base 8, which is fixedly connected to the building through the base 8. The end of the horizontal section of the support arm 1 is fixedly connected to the lower body 3 of the universal support. The lower body 3 can be fixedly connected to the support arm 1 by welding or bolting.

[0044] See Figure 4 As shown:

[0045] In another preferred embodiment, this embodiment is basically the same as the above embodiment, except that the support arm 1 has a straight-line structure, with one end of the support arm 1 fixedly connected to the base 8 and the other end fixedly connected to the lower seat 3. In this structure, the support arm 1 is a straight-line cantilever beam. The first end of the cantilever beam is fixedly connected to the building through the base 8, and the end of the cantilever beam can be fixedly connected to the lower seat 3 of the universal support through an upwardly extending extension section. Of course, the extension section can also be omitted, and the lower seat 3 can be directly connected to the end of the cantilever beam.

[0046] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A subway camera mounting tripod, characterized by, include: Support arm (1), universal joint fixed to one end of the support arm (1); The universal support includes an upper support body (2) and a lower support body (3) with a U-shaped structure. The lower seat (3) has a central hole (21) and at least one positioning hole (22) on its side wall, and the upper seat (2) has a mounting hole (21) on its upper surface; it also includes A quick-release rod (4) is capable of penetrating the connection hole and track hole (22) opened on the side wall of the upper seat (2). One end of the quick-release rod (4) is threadedly connected to the center hole (21) and the positioning hole (22), and the other end is rotatably connected to a pressure handle (5) via a shaft. A pressure sleeve (6) is sleeved on the quick-release rod (4). The pressure handle (5) abuts against the top of the pressure sleeve (6) through the cam part and presses against the side wall of the upper seat (2) and the lower seat (3).

2. The subway camera mounting tripod according to claim 1, Its characteristics are: The pressure sleeve (6) has a pressing surface at one end and a concave arc surface (61) at the other end. The concave arc surface (61) forms a surface contact with the cam portion of the pressure handle (5).

3. The subway camera mounting tripod according to claim 1, Its characteristics are: The lower seat (3) has a positioning block (7) fixedly connected to the inner wall of the lower seat (3) at the positions corresponding to the center hole (21) and the positioning hole (22), and the positioning block (7) has a screw hole.

4. The subway camera mounting tripod according to claim 3, characterized in that... ； The positioning block (7) is a welded nut or a bushing with a threaded hole.

5. A subway camera mounting tripod according to claim 1, characterized in that... ； Both the pressure handle (5) and the pressure sleeve (6) are made of plastic.

6. The subway camera mounting bracket according to claim 5, characterized in that; The pressure handle (5) is integrally formed with a wing plate (51) on one side of the cam portion, and the wing plate (51) protrudes from the outer wall of the cam portion.

7. The subway camera mounting tripod according to any one of claims 1-6, characterized in that... ； The support arm (1) is constructed in an L-shaped structure. The top of the support arm (1) is fixedly connected to the base (8), and the bottom of the support arm (1) is fixedly connected to the lower seat (3).

8. The subway camera mounting tripod according to claim 7, characterized in that... ； The angle between the vertical and horizontal sections of the L-shaped structure of the outrigger (1) is 90°, and the vertical section is a telescopic rod.

9. The subway camera mounting tripod according to any one of claims 1-6, characterized in that... ； The support arm (1) has a straight structure. One end of the support arm (1) is fixedly connected to the base (8), and the other end is fixedly connected to the lower seat (3).

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