Tire pressure sensor convenient to disassemble and assemble

Abstract

The utility model discloses a tire pressure sensor convenient to disassemble and assemble, and relates to the technical field of tire pressure sensors. The tire pressure sensor comprises a shell, two guide strips are arranged in the shell, a battery mounting plate and a mounting frame are arranged on the two guide strips in a sliding fit mode, a PCB body is fixed to the upper side of the mounting frame, a tire pressure sensor body is connected to the upper side of the PCB body, an opening is formed in one side of the shell, and a movable door is arranged in the opening in a rotating fit mode. One side of the limiting pin is connected with a handle, and a limiting groove is formed in the bottom face of the inner wall of the opening. According to the utility model, the handle is pulled upwards to drive the limiting pin to slide out of the limiting groove, then the movable door is pulled to rotate and open through the handle, then the mounting rack is pulled to slide on the guide strip, and the PCB body and the tire pressure sensor body are driven to be pulled out of the shell through the mounting rack, so that the PCB body and the tire pressure sensor body are quickly disassembled; and the PCB body and the tire pressure sensor body are convenient to maintain or replace.

Description

Technical Field

[0001] The utility model belongs to the field of tire pressure sensors, and specifically relates to a tire pressure sensor that is convenient for disassembly and assembly. Background Art

[0002] Automobile tires are an important part of an automobile. The function of a tire pressure monitoring system is to automatically monitor the tire pressure in real time during the driving of the automobile.

[0003] Chinese Patent No. CN210234578U discloses an installation mechanism for a tire pressure sensor and a PCB board that is convenient for disassembly and assembly, including a housing, a battery slot, a battery, a battery clip, a disassembly and assembly device, a PCB board body, a tire pressure sensor body, a connection seat, and a valve stem antenna. The battery slot is fixedly installed inside the housing, the battery is fixedly connected inside the battery slot, the battery clip is fixedly installed on the outer surface of the battery, the disassembly and assembly device is fixedly installed inside the housing, the PCB board body is fixedly connected inside the disassembly and assembly device, the tire pressure sensor body is fixedly installed on the upper end of the PCB board body, and the connection seat is fixedly installed at the lower end of the housing. By providing the disassembly and assembly device, it is convenient to disassemble and install the PCB board body and the tire pressure sensor body, and the disassembly and assembly are convenient and fast, which is convenient for repairing and replacing the PCB board body and the tire pressure sensor body. However, for the above-mentioned installation mechanism for a tire pressure sensor and a PCB board that is convenient for disassembly and assembly, after pulling the pull rod, the movable door pops open partially, then the movable door needs to be manually opened, and then the bolt is loosened to pull out the fixing rod together with the mounting bracket from the housing. There are many disassembly steps, which affect the disassembly efficiency.

[0004] In view of this, the present utility model is specifically proposed. Summary of the Utility Model

[0005] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a tire pressure sensor that is convenient for disassembly and assembly.

[0006] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is as follows:

[0007] A tire pressure sensor that is convenient for disassembly and assembly includes a housing. Two guide bars are provided inside the housing. A battery mounting plate and a mounting bracket are slidably fitted together on the two guide bars. A PCB board body is fixed on the upper side of the mounting bracket. A tire pressure sensor body is connected to the upper side of the PCB board body. An opening is provided on one side of the housing. A movable door is rotatably fitted inside the opening. The bottom end of the movable door is elastically and slidably fitted with a limit pin. One side of the limit pin is connected with a handle. A limit groove is provided on the bottom surface of the inner wall of the opening.

[0008] Optionally, holes are provided on the side of the housing. A positioning handle bolt rotatably fitted on one side of the housing corresponds to the holes. The threaded end of the positioning handle bolt passes through the holes and is in threaded fit with the battery mounting plate. A battery is provided on the upper side of the battery mounting plate. A battery clip is provided on one side of the battery. One end of the PCB board body is clamped in the battery clip.

[0009] Optionally, a guiding groove is provided at the bottom end of the movable door. A limit pin is slidably fitted in the guiding groove. A communicating groove is provided on one side of the movable door. The guiding groove communicates with the communicating groove. A connecting protrusion is provided on one side of the limit pin. A handle is fixed on the connecting protrusion. A tension spring is provided on the bottom surface of the inner wall of the communicating groove, and the tension spring is fixedly connected to the connecting protrusion.

[0010] Optionally, guiding notches are provided on the bottom surfaces of the battery mounting plate and the mounting bracket. The battery mounting plate and the mounting bracket are slidably fitted on two guiding strips through the guiding notches. The guiding strips are of a T-shaped strip structure, and the guiding notches are of a T-shaped channel structure.

[0011] After adopting the above technical solutions, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below:

[0012] By pulling up the handle, the limit pin is driven to slide out of the limit groove, and then the movable door is pulled and rotated to open by the handle. Then, the mounting bracket is pulled to slide on the guiding strip, and the PCB board body and the tire pressure sensor body are pulled out of the housing by the mounting bracket, so as to quickly disassemble the PCB board body and the tire pressure sensor body, which is convenient for repairing or replacing the PCB board body and the tire pressure sensor body.

[0013] The following further describes in detail the specific implementation manners of the present utility model with reference to the accompanying drawings. Description of the Drawings

[0014] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:

[0015] Figure 1 is a schematic three-dimensional structure diagram of an embodiment of the present utility model;

[0016] Figure 2 is a schematic cross-sectional structure diagram of an embodiment of the present utility model;

[0017] Figure 3 is a schematic cross-sectional structure diagram of a guiding strip of an embodiment of the present utility model;

[0018] Figure 4 is a schematic cross-sectional structure diagram of the housing of an embodiment of the present utility model;

[0019] In the accompanying drawings, the list of components represented by each reference numeral is as follows:

[0020] Housing 1, positioning handle bolt 101, guide bar 2, battery mounting plate 3, mounting bracket 4, PCB board body 5, tire pressure sensor body 6, opening 7, movable door 8, guide groove 801, communication groove 802, tension spring 803, limit pin 9, connecting protrusion 901, handle 10, limit groove 11, battery 12, battery clip 13, guide notch 14.

[0021] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the concept of the present utility model in any way, but rather to illustrate the concept of the present utility model to those skilled in the art by reference to specific embodiments. Specific embodiments

[0022] Now, the present utility model will be further described in detail with reference to the accompanying drawings.

[0023] Please refer to Figures 1-4 As shown, in this embodiment, a tire pressure sensor that is convenient for disassembly and assembly is provided, including a housing 1. Two guide bars 2 are provided inside the housing 1. A battery mounting plate 3 and a mounting bracket 4 are slidably fitted together on the two guide bars 2. A PCB board body 5 is fixed on the upper side of the mounting bracket 4. A tire pressure sensor body 6 is connected to the upper side of the PCB board body 5. An opening 7 is provided on one side of the housing 1. A movable door 8 is rotatably fitted inside the opening 7. The bottom end of the movable door 8 is elastically and slidably fitted with a limit pin 9. One side of the limit pin 9 is connected to a handle 10. A limit groove 11 is provided on the bottom surface of the inner wall of the opening 7.

[0024] By pulling up the handle 10, the limit pin 9 is driven to slide out of the limit groove 11. Then, the movable door 8 is pulled by the handle 10 to rotate and open. Then, the mounting bracket 4 is pulled to slide on the guide bar 2. The PCB board body 5 and the tire pressure sensor body 6 are pulled out of the housing 1 by the mounting bracket 4, quickly disassembling the PCB board body 5 and the tire pressure sensor body 6, which is convenient for repairing or replacing the PCB board body 5 and the tire pressure sensor body 6.

[0025] Please refer to Figures 2-3As shown in the figure, a hole is provided on the side of the housing 1 of this embodiment. A positioning handle bolt 101 corresponding to the hole is rotatably fitted on one side of the housing 1. The threaded end of the positioning handle bolt 101 passes through the hole and is in threaded fit with the battery mounting plate 3. A battery 12 is provided on the upper side of the battery mounting plate 3. A battery clip 13 is provided on one side of the battery 12. One end of the PCB board body 5 is clamped in the battery clip 13. A notch corresponding to the battery clip 13 is provided on one side of the mounting bracket 4. The battery clip 13 is located in the notch, which is convenient for the PCB board body 5 to be clamped with the battery clip 13. The battery mounting plate 3 is positioned by the positioning handle bolt 101. The positioning of the battery mounting plate 3 is released by rotating the positioning handle bolt 101. Then, the battery mounting plate 3 is pulled to slide on the two guide bars 2, and thus the battery mounting plate 3 and the battery 12 can be quickly taken out for maintenance and replacement of the battery 12.

[0026] Please refer to Figure 2 As shown in the figure, a guide groove 801 is provided at the bottom end of the movable door 8 of this embodiment. The limit pin 9 is slidably fitted in the guide groove 801. A communication groove 802 is provided on one side of the movable door 8. The guide groove 801 communicates with the communication groove 802. A connecting protrusion 901 is provided on one side of the limit pin 9. The handle 10 is fixed on the connecting protrusion 901. A tension spring 803 is provided on the bottom surface of the inner wall of the communication groove 802, and the tension spring 803 is fixedly connected with the connecting protrusion 901, which is convenient for the connecting protrusion 901 to slide through the tension spring 803, so that the limit pin 9 slides through the tension spring 803. The limit state of the limit pin 9 inserted into the limit groove 11 is positioned by the tension spring 803.

[0027] Please refer to Figures 2-3 As shown in the figure, guide notches 14 are provided on the bottom surfaces of the battery mounting plate 3 and the mounting bracket 4 of this embodiment. The battery mounting plate 3 and the mounting bracket 4 are slidably fitted on the two guide bars 2 through the guide notches 14. The guide bars 2 are of a T-shaped bar structure, and the guide notches 14 are of a T-shaped groove structure, which is convenient for guiding the sliding of the battery mounting plate 3 and the mounting bracket 4 through the guide bars 2 and improving the sliding stability of the battery mounting plate 3 and the mounting bracket 4.

[0028] Working principle: Pull up the handle 10 to drive the limit pin 9 to slide out of the limit groove 11. Then, the movable door 8 is pulled to rotate and open through the handle 10. Then, the mounting bracket 4 is pulled to slide on the guide bar 2. The PCB board body 5 and the tire pressure sensor body 6 are pulled out of the housing 1 through the mounting bracket 4, and the PCB board body 5 and the tire pressure sensor body 6 are quickly disassembled, which is convenient for repairing or replacing the PCB board body 5 and the tire pressure sensor body 6.

[0029] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. All the electrical appliances in this utility model are powered by an external power supply or an internal battery. All the electrical appliances in this utility model are not limited to the model and specific type. Those skilled in the art can clearly use the applicable electrical appliance models, specific types and electrical appliance power supply methods according to the common knowledge in this field.

[0030] The present utility model is not limited to the above-mentioned embodiments. Any person should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, all fall within the protection scope of the present utility model. The technologies, shapes, and structures not detailedly described in the present utility model are all well-known technologies.

Claims

1. A tire pressure sensor that is easy to disassemble and assemble, characterized in that: include: A shell (1) is provided with two guide bars (2) in the shell (1), a battery mounting plate (3) and a mounting frame (4) are slidably engaged on the two guide bars (2), a PCB board body (5) is fixed on the upper side of the mounting frame (4), a tire pressure sensor body (6) is connected to the upper side of the PCB board body (5), an opening (7) is provided on one side of the shell (1), a movable door (8) is rotatably engaged in the opening (7), a limit pin (9) is elastically slidably engaged at the bottom end of the movable door (8), a handle (10) is connected to one side of the limit pin (9), and a limit groove (11) is provided on the bottom surface of the inner wall of the opening (7).

2. The tire pressure sensor that is easy to disassemble and assemble according to claim 1, characterized in that: A hole is provided on the side of the housing (1), and a positioning handle bolt (101) corresponding to the hole is rotatably engaged on one side of the housing (1), and a threaded end of the positioning handle bolt (101) passes through the hole and is threadably engaged with the battery mounting plate (3).

3. The tire pressure sensor that is easy to disassemble and assemble according to claim 2, characterized in that: A battery (12) is provided on the upper side of the battery mounting plate (3), a battery clamp (13) is provided on one side of the battery (12), and one end of the PCB board body (5) is clamped in the battery clamp (13).

4. The tire pressure sensor that is easy to disassemble and assemble according to claim 1, characterized in that: A guide groove (801) is provided at the bottom end of the movable door (8), and the limit pin (9) is slidably fitted in the guide groove (801).

5. The tire pressure sensor that is easy to disassemble and assemble according to claim 4, characterized in that: A connecting groove (802) is provided on one side of the movable door (8), the guide groove (801) is connected to the connecting groove (802), a connecting protrusion (901) is provided on one side of the limit pin (9), and the handle (10) is fixed on the connecting protrusion (901).

6. The tire pressure sensor that is easy to disassemble and assemble according to claim 5, characterized in that: A tension spring (803) is provided on the bottom surface of the inner wall of the connecting groove (802), and the tension spring (803) is fixedly connected to the connecting protrusion (901).

7. The tire pressure sensor that is easy to disassemble and assemble according to claim 1, characterized in that: The bottom surfaces of the battery mounting plate (3) and the mounting frame (4) are both provided with guide notches (14), and the battery mounting plate (3) and the mounting frame (4) are slidably fitted on the two guide bars (2) via the guide notches (14).

8. The tire pressure sensor that is easy to disassemble and assemble according to claim 7, characterized in that: The guide strip (2) is a T-shaped strip structure, and the guide notch (14) is a T-shaped groove structure.

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