Mounting and fixing device for three-axis acceleration sensor

Abstract

The utility model provides an installation fixing device of a three-axis acceleration sensor, and belongs to the technical field of three-axis acceleration sensor fixation. Comprising a fixing box and a fixing cover, and a three-axis acceleration sensor body is arranged on the inner wall of the fixing box; according to the utility model, the three-axis acceleration sensor body is placed on the inner wall of the fixing box, then the fixing cover is connected with the fixing box, the fixing pin is inserted into the circular groove, then the button is pressed, the fixing shaft is pushed towards the fixing pin through the button, and at the moment, the ball is pushed towards the positioning groove. Due to the fact that the section of the annular groove is in the shape of an isosceles trapezoid, the ball rolls into the positioning groove, then the button is loosened, the fixing shaft is pushed in the direction away from the fixing pin through the spring, the outer wall of the fixing shaft abuts against the ball, connection of the fixing cover and the fixing box is completed, and the fixing cover can be taken down by repeating the steps. And the disassembly and assembly convenience of the three-axis acceleration sensor body can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing a triaxial acceleration sensor, in particular to a mounting and fixing device for a triaxial acceleration sensor. Background Art

[0002] The three-axis accelerometer works based on the basic principle of acceleration and has the characteristics of small size and light weight.

[0003] The existing installation and fixing device of the three-axis acceleration sensor can refer to the utility model patent with the Chinese patent announcement number CN220961878U, which provides an installation and fixing device for the three-axis acceleration sensor, the installation and fixing device includes a protection box base, a protection box, an acceleration sensor bottom plate and a protection box cover plate, the protection box base is configured to be fixed on the foundation, and the protection box is fixed on the protection box base. The acceleration sensor bottom plate is fixed on the surface of the protection box away from the protection box base, and the acceleration sensor bottom plate is configured to install the three-axis acceleration sensor.

[0004] However, during actual use of the device, it was found that although the device improved the protection performance of the three-axis acceleration sensor, in the prior art, a large number of bolts and studs were used to fix the three-axis acceleration sensor when it was installed, so special tools were needed to cooperate during the installation and disassembly process. This resulted in the need to use special equipment to disassemble the device after long-term use, which increased its maintenance difficulty. Therefore, the present application provides a quick positioning fixture for a vehicle bracket to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a mounting and fixing device for a three-axis acceleration sensor to solve the problem that a large number of bolts and studs are used to fix the three-axis acceleration sensor during installation, so that special tools are needed to cooperate during the installation and disassembly process, which leads to the need to use special equipment to disassemble the device after long-term use, thereby increasing the difficulty of maintenance.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An installation and fixing device for a three-axis acceleration sensor, comprising: a fixing box and a fixing cover, wherein the inner wall of the fixing box is provided with a three-axis acceleration sensor body; a circular groove is formed at the top of the fixing box; a fixing pin is fixedly communicated with one side of the fixing cover close to the fixing box, a positioning ring is fixedly assembled on the inner wall of the fixing pin, a spring is fixedly assembled on the side of the positioning ring away from the fixing pin, a button is fixedly assembled at one end of the spring away from the positioning ring, a fixing shaft is fixedly assembled on the side of the button close to the spring, an annular groove is formed on the outer wall of the fixing shaft, a ball is abutted against the outer wall of the fixing shaft, the ball penetrates through the fixing pin, a positioning groove is formed on the inner wall of the circular groove, and the outer wall of the ball is clamped with the positioning groove.

[0008] Preferably, elastic pieces are fixedly assembled on the inner wall of the fixing box, the side of the elastic piece away from the fixing box abuts against the outer wall of the three-axis acceleration sensor body, and the number of the elastic pieces is two. The two elastic pieces are symmetrically distributed on both sides of the three-axis acceleration sensor body.

[0009] Preferably, a through hole is formed on the outer wall of the fixing box, and the through hole is a heat dissipation hole.

[0010] Preferably, a rubber pad is fixedly assembled on the side of the fixing cover close to the fixing box, and the side of the rubber pad away from the fixing cover abuts against the three-axis acceleration sensor body.

[0011] Preferably, a positioning piece is fixedly assembled on the outer wall of the fixing box, and a positioning hole is formed on the outer wall of the positioning piece.

[0012] Preferably, the cross-sectional shape of the annular groove is an isosceles trapezoid, and the depth of the annular groove is the same as the diameter of the ball.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. In the above solution, by placing the three-axis acceleration sensor body on the inner wall of the fixing box, the two elastic pieces first abut against both sides of the three-axis acceleration sensor body, so as to initially fix the three-axis acceleration sensor body. Then, the fixing cover is connected to the fixing box. First, the fixing pin is inserted into the circular groove, and then the button is pressed. The fixing shaft is pushed towards the fixing pin by the button. At this time, the ball is pushed towards the positioning groove. Since the cross-sectional shape of the annular groove is an isosceles trapezoid, the ball rolls into the positioning groove. Then, the button is released, and the fixing shaft is pushed away from the fixing pin by the spring, so that the outer wall of the fixing shaft abuts against the ball, and the connection between the fixing cover and the fixing box is completed. Repeating the above steps can remove the fixing cover, which is beneficial to improving the convenience of disassembling and assembling the three-axis acceleration sensor body, reducing the intervention of tools in the disassembly and assembly process, and improving the work efficiency.

[0015] 2. In the above solution, by providing the positioning piece and opening the positioning hole on the positioning piece, it is beneficial to install the fixing box at the specified position through the positioning piece, which is beneficial to improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present disclosure and, together with the specification, are further used to explain the principles of the present disclosure and enable those skilled in the relevant art to implement and use the present disclosure.

[0017] Figure 1 is a schematic perspective view of the three-axis acceleration sensor mounting and fixing device;

[0018] Figure 2 is a schematic perspective view of the first perspective cross-section of the three-axis acceleration sensor mounting and fixing device;

[0019] Figure 3 is a schematic perspective view of the second perspective cross-section of the three-axis acceleration sensor mounting and fixing device;

[0020] Figure 4 is a schematic enlarged perspective view of the three-axis acceleration sensor mounting and fixing device.

[0021] DRAWINGS

[0022] 1. Fixing box; 101. Circular groove; 102. Elastic piece; 103. Through hole; 104. Rubber pad; 105. Positioning piece;

[0023] 2. Fixing cover; 201. Fixing pin; 202. Positioning ring; 203. Spring; 204. Button; 205. Fixing shaft; 206. Annular groove; 207. Ball; 208. Positioning groove;

[0024] 3. Three-axis acceleration sensor body.

[0025] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic needs and is not intended to limit the present invention to this specific structure, device and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the appended claims. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will describe in detail an installation and fixing device for a three-axis acceleration sensor provided by the present utility model in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. For some well-known technologies, those skilled in the art can also implement them in other alternative ways; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present utility model.

[0027] As Figure 1 , Figure 2 and Figure 4 shown, an embodiment of the present utility model provides an installation and fixing device for a three-axis acceleration sensor, including: a fixing box 1 and a fixing cover 2. The inner wall of the fixing box 1 is provided with a three-axis acceleration sensor body 3; a circular groove 101 is opened at the top of the fixing box 1; a fixing pin 201 is fixedly communicated with one side of the fixing cover 2 close to the fixing box 1. A positioning ring 202 is fixedly assembled on the inner wall of the fixing pin 201. A spring 203 providing elasticity is fixedly assembled on the side of the positioning ring 202 away from the fixing pin 201. One end of the spring 203 away from the positioning ring 202 is fixedly assembled with a button 204. A fixing shaft 205 is fixedly assembled on the side of the button 204 close to the spring 203. An annular groove 206 is opened on the outer wall of the fixing shaft 205. A ball 207 abuts against the outer wall of the fixing shaft 205. The ball 207 penetrates through the fixing pin 201. A positioning groove 208 is opened on the inner wall of the circular groove 101. The outer wall of the ball 207 is clamped with the positioning groove 208. The cross-sectional shape of the annular groove 206 is an isosceles trapezoid, and the depth of the annular groove 206 is the same as the diameter of the ball 207. By defining the annular groove 206, it is beneficial to guide the ball 207 during the movement of the fixing shaft 205, thereby facilitating the disassembly and assembly operation between the fixing box 1 and the fixing cover 2.

[0028] As Figure 3 shown, an elastic sheet 102 is fixedly assembled on the inner wall of the fixing box 1. The side of the elastic sheet 102 away from the fixing box 1 abuts against the outer wall of the three-axis acceleration sensor body 3, and the number of the elastic sheets 102 is two. The two elastic sheets 102 are symmetrically distributed on both sides of the three-axis acceleration sensor body 3. By setting the elastic sheet 102, when preventing the three-axis acceleration sensor body 3, it is beneficial to squeeze both sides of the three-axis acceleration sensor body 3 through the two elastic sheets 102, thereby realizing the preliminary fixation of the three-axis acceleration sensor body 3.

[0029] As Figure 1 and Figure 3 shown, a through hole 103 is opened on the outer wall of the fixing box 1. The through hole 103 is a heat dissipation hole. By setting the through hole 103, it is beneficial to improve the heat dissipation effect during the operation of the three-axis acceleration sensor body 3, thereby ensuring the normal operation of the three-axis acceleration sensor body 3.

[0030] like Figure 2 and Figure 4 As shown, a rubber pad 104 is fixedly assembled on one side of the fixed cover 2 close to the fixed box 1, and the side of the rubber pad 104 away from the fixed cover 2 is in contact with the three-axis acceleration sensor body 3. By setting the rubber pad 104, it is beneficial for the rubber pad 104 to contact with the outer wall of the three-axis acceleration sensor body 3, thereby facilitating the stability and firmness of the installation of the three-axis acceleration sensor body 3.

[0031] like Figure 1 and Figure 3 As shown, the outer wall of the fixed box 1 is fixedly equipped with a positioning piece 105, and the outer wall of the positioning piece 105 is provided with a positioning hole. By setting the positioning piece 105 and opening the positioning hole on the positioning piece 105, it is convenient to install the fixed box 1 at a specified position through the positioning piece 105, which is beneficial to improve the adaptability of the device.

[0032] The technical solution provided by the utility model, when working, by placing the three-axis acceleration sensor body 3 on the inner wall of the fixing box 1, firstly use the two spring pieces 102 to abut the two sides of the three-axis acceleration sensor body 3, so as to initially fix the three-axis acceleration sensor body 3, and then connect the fixing cover 2 with the fixing box 1, first insert the fixing pin 201 into the circular groove 101, and then press the button 204, and push the fixing shaft 205 in the direction of the fixing pin 201 through the button 204, at this time, the ball 207 is pushed in the direction of the positioning groove 208, because the cross-sectional shape of the annular groove 206 is an isosceles trapezoid, so the ball 207 rolls into the positioning groove 208 along the edge of the annular groove 206, and then release the button 204, and push the fixing shaft 205 in the direction away from the fixing pin 201 through the spring 203, so that the outer wall of the fixing shaft 205 abuts against the ball 207, and the connection between the fixing cover 2 and the fixing box 1 is completed, and the fixing cover 2 can be removed by repeating the above steps;

[0033] By providing the positioning piece 105 and opening the positioning hole on the positioning piece 105 , it is convenient to install the fixing box 1 at a designated position through the positioning piece 105 , which is convenient to improve the adaptability of the device.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mounting and fixing device for a three-axis acceleration sensor, characterized in that: include: A fixing box (1) and a fixing cover (2), wherein the inner wall of the fixing box (1) is provided with a triaxial acceleration sensor body (3); A circular groove (101) is formed on the top of the fixing box (1); A fixing pin (201) is fixedly connected to a side of the fixing cover (2) close to the fixing box (1); a positioning ring (202) is fixedly mounted on the inner wall of the fixing pin (201); a spring (203) is fixedly mounted on a side of the positioning ring (202) away from the fixing pin (201); a button (204) is fixedly mounted on an end of the spring (203) away from the positioning ring (202); a fixing shaft (205) is fixedly mounted on a side of the button (204) close to the spring (203); an annular groove (206) is formed on the outer wall of the fixing shaft (205); a ball (207) is abutted against the outer wall of the fixing shaft (205); the ball (207) passes through the fixing pin (201); a positioning groove (208) is formed on the inner wall of the circular groove (101); and the outer wall of the ball (207) is engaged with the positioning groove (208).

2. The mounting and fixing device for a three-axis acceleration sensor according to claim 1, characterized in that: The inner wall of the fixing box (1) is fixedly equipped with an elastic sheet (102), the side of the elastic sheet (102) away from the fixing box (1) abuts against the outer wall of the three-axis acceleration sensor body (3), and the number of the elastic sheets (102) is two, and the two elastic sheets (102) are symmetrically distributed on both sides of the three-axis acceleration sensor body (3).

3. The mounting and fixing device for a three-axis acceleration sensor according to claim 1, characterized in that: The outer wall of the fixing box (1) is provided with a through hole (103), and the through hole (103) is a heat dissipation hole.

4. The mounting and fixing device for a three-axis acceleration sensor according to claim 1, characterized in that: A rubber pad (104) is fixedly mounted on a side of the fixed cover (2) close to the fixed box (1), and a side of the rubber pad (104) away from the fixed cover (2) abuts against a three-axis acceleration sensor body (3).

5. The mounting and fixing device for a three-axis acceleration sensor according to claim 1, characterized in that: A positioning piece (105) is fixedly mounted on the outer wall of the fixing box (1), and a positioning hole is provided on the outer wall of the positioning piece (105).

6. The mounting and fixing device for a three-axis acceleration sensor according to claim 1, characterized in that: The cross-sectional shape of the annular groove (206) is an isosceles trapezoid, and the depth of the annular groove (206) is the same as the diameter of the ball (207).

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