Tire pressure sensor based on automobile tire
By introducing valve components and hinged connection design into the automotive tire pressure sensor, combined with a ball joint suction cup and flexible column fixing method, the problem of the sensor falling off during disassembly and installation is solved, realizing convenient battery replacement and stable monitoring function, improving user experience and the practical value of the device.
Patent Information
- Application Number
- CN202423161062.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing tire pressure sensors are prone to falling off during disassembly and installation. The lack of professional tools makes it difficult for users to replace the battery themselves, and the disassembly process is inconvenient.
A tire pressure sensor based on automobile tires was designed. The valve assembly on the top of the sensor assembly extends to the inside of the wheel hub and is hinged to the hinge seat through a hinge. The design of ball joint and flexible column suction cup realizes the adjustable angle adsorption and fixation of the sensor assembly. It is equipped with air pressure sensor and motion sensor for monitoring and is connected to the vehicle control system through a communication module. The battery compartment design facilitates the removal and replacement of battery cells.
It enables stable installation and removal of sensor components, facilitates battery replacement, improves user-friendly operation, enhances sensor monitoring capabilities and energy efficiency, and ensures the sealing of the device with the wheel hub.
Smart Images

Figure CN223574129U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of tire pressure sensor, concretely is a kind of tire pressure sensor based on automobile tire. BACKGROUND
[0002] Tire pressure sensor (Tire Pressure Monitoring System, TPMS) is an electronic system installed in the tire of automobile, for real-time monitoring the pressure inside the tire. When the tire pressure is below the level recommended by the manufacturer, the system will automatically warn the driver.
[0003] Based on the above, the present inventor found that there are the following problems: the tire pressure sensor of the present automobile tire is usually arranged inside the tire, the valve core extends to the inside of the hub, a nut with sealing ring is used for fixing, the user lacks professional tools when disassembling and replacing battery, can only use binding band to cooperate with jack to press out a small gap of tire to disassemble and install, during disassembling process, the valve core or sensor body is not easy to fall in the inside of tire, difficult to take out, inconvenient to use.
[0004] Therefore, in view of the above, the existing structure and defects are improved, and a tire pressure sensor based on automobile tire is provided to achieve the purpose of having more practical value. CONTENT OF UTILITY MODEL
[0005] The utility model aims at providing a kind of tire pressure sensor based on automobile tire to solve the problems raised in the above background art.
[0006] A kind of tire pressure sensor based on automobile tire, including sensor assembly, the sensor assembly top is equipped with valve assembly, the sensor assembly includes shell, the shell top is fixedly installed with hinged seat, the valve assembly includes hinged part, the hinged part top is fixedly installed with valve body, the hinged part both sides are equipped with hinged piece, the hinged piece is hinged with hinged seat, the shell one side is fixedly installed with fixed cover, the shell other side is equipped with two spherical seats, the spherical seat inside rotationally connected with spherical joint, the spherical joint one side is fixedly installed with flexible column, the flexible column one end is fixedly installed with sucking disc.
[0007] By adopting the technical scheme, the sensor assembly is arranged inside the tire through the air valve assembly arranged on the top of the sensor assembly, the air valve assembly extends to the inner side of the hub, external equipment is facilitated to inflate the tire, the sensor assembly monitors the tire air pressure, the sensor assembly and the air valve assembly are connected through the hinge and the hinge seat, the angle of the sensor assembly is facilitated to be adjusted, one side of the sensor assembly is facilitated to be attached to the outer side of the hub, the fixed cover is facilitated to protect the circuit board inside the shell through the fixed installation of the fixed cover on one side of the shell, the angle of the suction cup is facilitated to be adjusted through the fixed installation of the flexible column on one side of the spherical joint, the sensor assembly is facilitated to be adsorbed and fixed on the hub, the device is prevented from falling into the tire due to the removal of the fixing nut during installation and disassembly, and the device is facilitated to be installed.
[0008] Further, the circuit board is fixedly installed inside the shell, the air pressure sensor is fixedly installed in the middle of the circuit board, the battery compartment is fixedly installed at one end of the circuit board, and the motion sensor is fixedly installed at the other end of the circuit board, and the inductive spring is fixedly installed on one side of the motion sensor.
[0009] By adopting the technical scheme, the air pressure sensor is facilitated to monitor the air pressure inside the tire, and the motion sensor is facilitated to monitor the motion of the tire, so that the device is in sleep state when the tire is static, and energy saving is achieved.
[0010] Further, the communication sealing sheet is fixedly installed on one side of the air pressure sensor, and the communication module is fixedly installed at the bottom of the air pressure sensor.
[0011] By adopting the technical scheme, the communication module is fixedly installed at the bottom of the air pressure sensor, the device is facilitated to be communicatively connected with the automobile control system, and the automobile control system is facilitated to read the tire air pressure data monitored by the device.
[0012] Further, the battery sheet is fixedly installed inside the battery compartment, the sliding cover is slidingly connected on one side of the battery compartment, and the anti-skid groove is formed on one side of the sliding cover.
[0013] By adopting the technical scheme, the sliding cover is slidingly connected on one side of the battery compartment, and the anti-skid groove is formed on one side of the sliding cover, so that the battery sheet is fixed inside the battery compartment by the sliding cover, and the battery sheet is facilitated to supply power for the operation of the device.
[0014] Further, the flexible sleeve is fixedly installed on one side of the fixed cover, and the flexible sleeve is sleeved outside the inductive spring.
[0015] By adopting the above technical scheme, the flexible sleeve is fixedly installed on one side of the fixed cover and is sleeved outside the inductive spring, so that the inductive spring is protected, the inductive spring is facilitated to amplify the tire movement signal, and the inductive sensitivity of the motion sensor is improved.
[0016] Further, the fixed cover is provided with a sliding cover groove on the side away from the flexible sleeve, and the sliding cover groove is clamped and connected with the sliding cover.
[0017] By adopting the above technical scheme, the sliding cover groove is clamped and connected with the sliding cover on the side away from the flexible sleeve of the fixed cover, so that the sliding cover is fixed, and the sliding cover is facilitated to be opened to disassemble and replace the internal battery piece.
[0018] Further, the fixed cover is provided with an air inlet hole in the middle, and the air inlet hole is arranged on one side of the communication sealing piece.
[0019] By adopting the above technical scheme, the air inlet hole is arranged on one side of the communication sealing piece in the middle of the fixed cover, so that the inside of the tire is communicated with the communication sealing piece, and the air pressure sensor is facilitated to monitor the air pressure in the inside of the tire.
[0020] Further, the valve body is provided with a valve core inside the top end, the hinge part is provided with an air inlet on one side, and the air inlet is communicated with the valve core.
[0021] By adopting the above technical scheme, the air inlet is communicated with the valve core on one side of the hinge part, so that the inside of the tire of the external inflating equipment is inflated.
[0022] Further, the valve body is provided with a valve cap connecting part outside the top end, the valve body is provided with a nut connecting part outside the bottom end, and the valve cap connecting part and the nut connecting part are both provided with threads outside.
[0023] By adopting the above technical scheme, the valve cap connecting part and the nut connecting part are both provided with threads outside, so that the fixing nut is screw-connected with the nut connecting part, the device is fixedly connected with the hub, the valve cap is screw-connected with the valve cap connecting part, and the valve core is protected by the valve cap.
[0024] Further, the nut connecting part is fixedly provided with a sealing ring outside the bottom end, and the sealing ring is fixedly installed on the top of the hinge part.
[0025] By adopting the above technical scheme, the sealing ring is arranged, so that the sealing performance of the connection between the device and the hub is improved, and tire air leakage is avoided.
[0026] Compared with the prior art, the beneficial effects of this utility model are as follows: The sensor assembly has a valve assembly on top, facilitating its placement inside the tire. The valve assembly extends to the inner side of the wheel hub, allowing for convenient tire inflation by external equipment. The sensor assembly monitors tire pressure. A hinged joint connects the sensor assembly and valve assembly, facilitating angle adjustment so that one side of the sensor assembly can fit against the outer side of the wheel hub. A fixing cover is fixedly installed on one side of the housing, protecting the circuit board inside. A flexible column is fixedly installed on one side via a ball joint, with a suction cup fixedly installed at one end, allowing for angle adjustment of the suction cup. This facilitates the adsorption and fixation of the sensor assembly onto the wheel hub, preventing the device from slipping into the tire when removing the fixing nut during installation and disassembly. This utility model effectively adsorbs and fixes the sensor assembly onto the outer side of the wheel hub, facilitating installation and disassembly, and possesses high practical value. Attached Figure Description
[0027] Figure 1 This is a three-dimensional structural diagram of a tire pressure sensor based on automobile tires according to the present invention.
[0028] Figure 2 This is an exploded view of a tire pressure sensor based on automobile tires according to this utility model;
[0029] Figure 3 This is an exploded view of the sensor assembly of this utility model;
[0030] Figure 4 Provided by this utility model Figure 3 Enlarged view of the A-structure in the middle;
[0031] Figure 5 This is a three-dimensional structural diagram of the valve assembly of this utility model.
[0032] In the diagram: 101, Sensor assembly; 10101, Housing; 10102, Hinge base; 10103, Fixing cover; 10104, Suction cup; 10105, Spherical base; 10106, Spherical joint; 10107, Flexible column; 10108, Air inlet; 10109, Flexible sleeve; 10110, Sliding cover groove; 10111, Sliding cover; 10112, Anti-slip groove; 10113, Circuit board; 10114, Motion sensor; 101 15. Sensing spring; 10116. Battery compartment; 10117. Battery cell; 10118. Pressure sensor; 10119. Connecting sealing plate; 10120. Communication module; 102. Valve assembly; 10201. Hinge; 10202. Hinge component; 10203. Sealing ring; 10204. Valve body; 10205. Valve cap connection; 10206. Valve core; 10207. Inlet; 10208. Nut connection. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0034] Please refer to Figures 1-5 The present application provides a technical solution: a tire pressure sensor based on automobile tire, comprising a sensor assembly 101, the top of the sensor assembly 101 is provided with a valve assembly 102, the sensor assembly 101 is arranged in the tire by providing the valve assembly 102 on the top of the sensor assembly 101, the valve assembly 102 extends to the inner side of the hub, which facilitates the external equipment to inflate the tire, the sensor assembly 101 monitors the tire pressure, the sensor assembly 101 comprises a shell 10101, the top of the shell 10101 is fixedly installed with a hinged seat 10102, the valve assembly 102 comprises a hinged part 10201, the top of the hinged part 10201 is fixedly installed with a valve body 10204, the two sides of the hinged part 10201 are provided with hinged pieces 10202, the hinged pieces 10202 are hinged with the hinged seat 10102, the sensor assembly 101 and the valve assembly 102 are hingedly connected by hinging the hinged pieces 10202 with the hinged seat 10102, which facilitates the adjustment of the angle of the sensor assembly 101, so that one side of the sensor assembly 101 can be attached to the outer side of the hub, the shell 10101 is fixedly installed with a fixed cover 10103 on one side, the fixed cover 10103 protects the circuit board 10113 in the shell 10101 by being fixedly installed on one side of the shell 10101, two spherical seats 10105 are formed on the other side of the shell 10101, a spherical joint 10106 is rotatably connected in the spherical seat 10105, a flexible column 10107 is fixedly installed on one side of the spherical joint 10106, a suction cup 10104 is fixedly installed at one end of the flexible column 10107, the angle of the suction cup 10104 is adjusted by fixing the flexible column 10107 on one side of the spherical joint 10106 and fixing the suction cup 10104 at one end of the flexible column 10107, which facilitates the suction and fixation of the sensor assembly 101 on the hub, avoids the device from falling into the tire due to the removal of the fixing nut during installation and disassembly, and facilitates the installation.
[0035] The shell 10101 is internally fixedly installed with a circuit board 10113, the middle part of the circuit board 10113 is fixedly installed with an air pressure sensor 10118, one end of the circuit board 10113 is fixedly installed with a battery compartment 10116, and the other end of the circuit board 10113 is fixedly installed with a motion sensor 10114, one side of the motion sensor 10114 is fixedly installed with an induction spring 10115, and the air pressure sensor 10118 and the motion sensor 10114 are arranged, so as to facilitate the air pressure sensor 10118 to monitor the internal air pressure of the tire, and the motion sensor 10114 to monitor the movement of the tire. When the tire is stationary, the device is dormant, and energy saving is achieved.
[0036] The air pressure sensor 10118 is fixedly installed on one side of the communication sealing sheet 10119, and the communication module 10120 is fixedly installed at the bottom of the air pressure sensor 10118. The communication module 10120 is fixedly installed at the bottom of the air pressure sensor 10118, so as to facilitate the communication connection between the device and the automobile control system, and the automobile control system to read the tire air pressure data monitored by the device.
[0037] The battery compartment 10116 is internally fixedly installed with a battery sheet 10117, and the battery compartment 10116 is slidably connected with a sliding cover 10111 on one side. The sliding cover 10111 is provided with an anti-skid groove 10112 on one side. The battery compartment 10116 is slidably connected with the sliding cover 10111 on one side, and the sliding cover 10111 is provided with the anti-skid groove 10112 on one side. The sliding cover 10111 is used to fix the battery sheet 10117 in the battery compartment 10116, and the battery sheet 10117 is used to supply power for the work of the device.
[0038] The fixed cover 10103 is fixedly installed with a flexible sleeve 10109 on one side, and the flexible sleeve 10109 is sleeved outside the induction spring 10115. The fixed cover 10103 is fixedly installed with the flexible sleeve 10109 on one side, and the flexible sleeve 10109 is sleeved outside the induction spring 10115. The induction spring 10115 is protected, the induction spring 10115 amplifies the tire movement signal, and the sensitivity of the motion sensor 10114 is improved.
[0039] The fixed cover 10103 is provided with a sliding cover groove 10110 on the side away from the flexible sleeve 10109, and the sliding cover groove 10110 is connected with the sliding cover 10111. The fixed cover 10103 is provided with the sliding cover groove 10110 on the side away from the flexible sleeve 10109, and the sliding cover groove 10110 is connected with the sliding cover 10111. The sliding cover 10111 is fixed, and the sliding cover 10111 is opened to disassemble and replace the internal battery sheet 10117.
[0040] The middle part of the fixed cover 10103 is provided with an air inlet hole 10108, which is arranged on one side of the communication sealing sheet 10119. The air inlet hole 10108 is arranged on one side of the communication sealing sheet 10119, so as to facilitate the communication between the inside of the tire and the communication sealing sheet 10119, and the air pressure sensor 10118 can monitor the air pressure in the tire.
[0041] The top end of the valve body 10204 is internally provided with a valve core 10206, and the hinge part 10201 is provided with an air inlet 10207 on one side. The air inlet 10207 is communicated with the valve core 10206. The air inlet 10207 is arranged on one side of the hinge part 10201, and the air inlet 10207 is communicated with the valve core 10206, so as to facilitate the tire inside the external inflating equipment to be inflated.
[0042] The top end of the valve body 10204 is externally provided with a valve cap connecting part 10205, and the bottom end of the valve body 10204 is externally provided with a nut connecting part 10208. The valve cap connecting part 10205 and the nut connecting part 10208 are externally provided with threads. The valve cap connecting part 10205 and the nut connecting part 10208 are externally provided with threads, so as to facilitate the fixed nut to be threadedly connected with the nut connecting part 10208, and the device is fixedly connected with the hub. The valve cap is threadedly connected with the valve cap connecting part 10205, so as to facilitate the valve cap to protect the valve core 10206.
[0043] The bottom end of the nut connecting part 10208 is externally fixedly provided with a sealing ring 10203, and the sealing ring 10203 is fixedly installed on the top of the hinge part 10201. The sealing ring 10203 is arranged, so as to improve the sealing performance of the connection between the device and the hub, and avoid tire leakage.
[0044] Specifically, the working principle of the tire pressure sensor based on the automobile tire: in use, the gas cap connecting part 10205 and the nut connecting part 10208 are provided with threads outside, which are convenient for fixing the nut and the nut connecting part 10208 to be screwed, and the device is fixedly connected with the hub, the gas cap is screwed with the gas cap connecting part 10205, which is convenient for the gas cap to protect the gas valve 10206, and the sealing ring 10203 is arranged to improve the sealing performance of the connection between the device and the hub, avoid tire leakage, the hinge part 10201 is provided with an air inlet 10207 on one side, the air inlet 10207 is communicated with the gas valve 10206, which is convenient for the tire inside the external inflating equipment to be inflated, the air inlet 10108 is arranged on the side of the communication sealing sheet 10119, which is convenient for the tire inside to be communicated with the 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spring 10115 is convenient to protect, the inductive spring 10115 is convenient to amplify tire movement signals, the inductive sensitivity of the motion sensor 10114 is improved, the sliding cover groove 10110 is arranged on the side of the fixed cover 10103 away from the flexible sleeve 10109, the sliding cover groove 10110 is clamped and connected with the sliding cover 10111, the sliding cover 10111 is convenient to fix, and the sliding cover 10111 is convenient to open to disassemble and replace the internal battery piece 10117.
[0045] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various changes and modifications to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A tire pressure sensor based on an automobile tire, characterized by, The utility model provides a sensor assembly (101), the sensor assembly (101) top is equipped with valve assembly (102), the sensor assembly (101) includes the shell (10101), the shell (10101) top fixed mounting has articulated seat (10102), the valve assembly (102) includes articulated part (10201), articulated part (10201) top fixed mounting has valve body (10204), articulated part (10201) both sides are equipped with articulated piece (10202), articulated piece (10202) with articulated seat (10102) articulates, the shell (10101) one side fixed mounting has fixed cover (10103), the shell (10101) other side is equipped with two spherical seat (10105), spherical seat (10105) inside rotatable joint has spherical joint (10106), spherical joint (10106) one side fixed mounting has flexible column (10107), flexible column (10107) one end fixed mounting has sucking disc (10104).
2. A tire pressure sensor based on a car tire according to claim 1, characterized in that, The shell (10101) is internally fixedly installed with a circuit board (10113), the circuit board (10113) is fixedly installed with an air pressure sensor (10118) in the middle, the circuit board (10113) is fixedly installed with a battery compartment (10116) at one end, and the circuit board (10113) is fixedly installed with a motion sensor (10114) at the other end, the motion sensor (10114) is fixedly installed with a sensing spring (10115) on one side.
3. A tire pressure sensor based on a car tire according to claim 2, characterized in that, The air pressure sensor (10118) is fixedly installed with a communication sealing sheet (10119) on one side, and the air pressure sensor (10118) is fixedly installed with a communication module (10120) at the bottom.
4. A tire pressure sensor based on a car tire according to claim 3, characterized in that, The battery compartment (10116) is internally fixedly installed with a battery sheet (10117), and the battery compartment (10116) is slidably connected with a sliding cover (10111) on one side.
5. A tire pressure sensor based on a car tire according to claim 4, characterized in that, The fixed cover (10103) is fixedly installed with a flexible sleeve (10109) on one side, and the flexible sleeve (10109) is sleeved outside the sensing spring (10115).
6. A tire pressure sensor based on a car tire according to claim 5, characterized in that, The fixed cover (10103) is fixedly installed with a flexible sleeve (10109) on one side, and the fixed cover (10103) is fixedly installed with a flexible sleeve (10109) on one side.
7. A tire pressure sensor based on a car tire according to claim 6, characterized in that, The fixed cover (10103) is internally provided with an air inlet hole (10108) in the middle, and the air inlet hole (10108) is arranged on one side of the communication sealing sheet (10119).
8. A tire pressure sensor based on a car tire according to claim 1, characterized in that, The valve body (10204) is internally provided with a valve core (10206) at the top end, the articulated part (10201) is provided with an air inlet (10207) on one side, and the air inlet (10207) is communicated with the valve core (10206).
9. A tire pressure sensor based on a car tire according to claim 8, characterized in that, The valve body (10204) top outside is provided with valve cap connecting part (10205), the valve body (10204) bottom outside is provided with nut connecting part (10208), the valve cap connecting part (10205) and nut connecting part (10208) outside are all provided with thread.
10. A tire pressure sensor based on a car tire according to claim 9, characterized in that, The nut connecting part (10208) bottom outside is fixedly installed sealing ring (10203), the sealing ring (10203) is fixedly installed in hinged part (10201) top.