Tire pressure detection system

By designing the sealing components and pin assembly of the tire pressure detection system, the problem of gas loss caused by the gap between the valve core and the tire pressure gauge was solved, ensuring the accuracy and sealing of tire pressure detection.

CN223940437UActive Publication Date: 2026-02-24CHANGZHOU HUISITE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520749341.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-02-24
Estimated Expiration
2035-04-21

AI Technical Summary

Technical Problem

In existing technology, there is a gap between the valve core and the tire pressure gauge, which causes air to leak out of the tire and affects the accuracy of tire pressure monitoring data.

Method used

A tire pressure detection system was designed, including a sealing component, a support component, a pin assembly, an actuating component, and a detection component. The system is threadedly installed to the tire valve via a connecting cylinder. The sealing component is sealed to the valve, the pin assembly fits against the valve core, and the actuating component drives the pin assembly to push gas into the detection component, ensuring that the gas is not lost.

Benefits of technology

It enables tire pressure detection under sealed conditions, preventing gas loss and ensuring the accuracy and reliability of the detection data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tire pressure detection system, and relates to the technical field of tire pressure detection. The device comprises a connecting cylinder, and the connecting cylinder is provided with a sealing assembly, a supporting assembly, an ejector pin assembly, a stirring assembly and a detection assembly. The outer surface of the sealing assembly is slidably arranged in the connecting cylinder, so that the connecting cylinder drives the sealing assembly to be hermetically connected with a tire valve; by rotating the connecting cylinder, the connecting cylinder is matched with the internal thread to be in threaded installation with the tire valve, so that the connecting cylinder can drive the sealing assembly which is arranged inside in a sliding manner to approach one end of the tire valve, and one end of the sealing assembly is in sealed connection with one end of the tire valve; and meanwhile, the sealing assembly can drive one end of the internally-fixed ejector pin assembly to be attached to a valve core of the tire valve, so that gas in the tire can be prevented from being lost in a sealing state, and the detection data of the tire pressure is prevented from being influenced.
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Description

Technical Field

[0001] This utility model belongs to the field of tire pressure detection technology, and more specifically, it relates to a tire pressure detection system. Background Technology

[0002] Tire pressure checks are a fundamental and crucial part of routine car maintenance, directly affecting driving safety and fuel economy. Insufficient tire pressure can easily lead to tire overheating, tire blowout, or loss of control due to reduced grip; excessive tire pressure will reduce the tire's cushioning capacity, affecting braking and handling.

[0003] In existing technology, a handheld tire pressure gauge is typically used in conjunction with the tire valve to allow air from inside the tire to enter the gauge for pressure measurement. When engaging the valve, the valve core needs to be pressed to release air from inside the tire. However, because there is a certain gap between the valve core and the gauge when they come into contact, air can easily escape from inside the tire during the pressing process, thus affecting the tire pressure readings. Utility Model Content

[0004] To address the problem that a certain gap exists between the valve and the tire pressure gauge when the valve core contacts the push rod, which can easily cause air loss from the tire during valve core pressing and thus affect tire pressure detection data, this invention proposes a tire pressure detection system to overcome the aforementioned technical problems in existing related technologies.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a tire pressure detection system, including a connecting cylinder:

[0007] The connecting cylinder is respectively equipped with a sealing component, a support component, a pin component, a toggle component, and a detection component;

[0008] The sealing assembly has its outer surface slidably disposed with the inside of the connecting cylinder, so that the connecting cylinder drives the sealing assembly to seal and connect with the tire valve.

[0009] The support assembly has its outer surface rotatably disposed from the interior of the connecting cylinder, so that the support assembly supports the connecting cylinder and the sealing assembly;

[0010] The ejector pin assembly has one side fixedly connected to the interior of the sealing assembly, so that the sealing assembly drives the ejector pin assembly to contact the tire valve;

[0011] The actuating component is slidably disposed with one end of the ejector pin assembly, so that the actuating component drives the ejector pin assembly to deflate the tire;

[0012] The detection component is internally connected to the actuation component to enable the detection component to detect the internal air pressure of the tire.

[0013] Furthermore, the sealing assembly includes a mounting cylinder, the outer surface of which is slidably disposed with the interior of the connecting cylinder, and a mounting groove is provided at one end of the mounting cylinder, with a sealing gasket fixedly installed inside the mounting groove.

[0014] Furthermore, the support assembly includes a support block, the outer surface of which is rotatably disposed with respect to the interior of the connecting cylinder, a support spring is fixedly connected to one side of the support block, and one end of the support spring is fixedly connected to one side of the mounting cylinder.

[0015] Furthermore, the ejector pin assembly includes a fixing frame, one side of which is fixedly connected to the inner wall of the mounting cylinder, and a push rod is slidably disposed inside the fixing frame, with a push block fixedly connected to the bottom end of the push rod.

[0016] Furthermore, the ejector pin assembly also includes a limiting plate, the interior of which is fixedly connected to the outer surface of the ejector rod. A return spring is fixedly connected to the bottom end of the limiting plate, and a connecting plate is fixedly connected to one end of the return spring. The bottom end of the connecting plate is in contact with the top end of the fixing frame, and the interior of the connecting plate is slidably connected to the outer surface of the ejector rod.

[0017] Furthermore, the actuating assembly includes a connecting tube, the bottom end of which is fixedly installed to the top end of the mounting cylinder, and a mounting shaft is rotatably connected inside the connecting tube, with a lever fixedly connected to one end of the mounting shaft;

[0018] An eccentric wheel is fixedly connected to the outer surface of the mounting shaft. A connecting groove is formed on the outer surface of the eccentric wheel. An arc-shaped groove is formed inside the connecting groove. The inside of the arc-shaped groove fits with the top end of the push rod.

[0019] Furthermore, the detection component includes a hose, one end of which is fixedly installed to one end of a connecting pipe, and a pressure gauge is fixedly installed at the other end of the hose.

[0020] This utility model has the following beneficial effects:

[0021] 1. This utility model, by rotating the connecting cylinder, allows the connecting cylinder to engage with the internal threads for threaded installation with the tire valve. This enables the connecting cylinder to move the internally sliding sealing component closer to one end of the tire valve, sealing one end of the sealing component with one end of the tire valve. Simultaneously, the sealing component can cause one end of the internally fixed ejector pin component to fit against the valve core of the tire valve. This seal prevents air loss from the tire and avoids affecting the tire pressure monitoring data.

[0022] 2. This utility model uses a connecting cylinder to thread the tire valve, which drives the internally sliding mounting cylinder to move towards one end of the tire valve. This allows the mounting cylinder to move in conjunction with the mounting groove, causing the sealing gasket to move. During this movement, the sealing gasket forms a sealing connection with one end of the tire valve, and the inside of the tire valve comes into contact with one end of the mounting cylinder. Then, rotating the lever drives the mounting shaft fixed on one side to rotate, which in turn drives the eccentric wheel fixed on the outer surface to rotate. This causes the eccentric wheel to drive the connecting groove on the outer surface to rotate, which in turn pushes the push rod along the direction of the fixed frame and the connecting plate, causing the push block to move. This push block compresses the valve core, allowing the air inside the tire to pass through the valve core into the interior of the mounting cylinder and then into the interior of the connecting pipe, thus ensuring the sealing of the tire pressure detection system.

[0023] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of this utility model from a rear-view perspective;

[0027] Figure 3 This is a schematic diagram of the internal structure of the connecting cylinder of this utility model;

[0028] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the local structure at point A;

[0029] Figure 5 This is a schematic diagram of the cross-sectional structure of the present invention from a frontal view.

[0030] Figure 6 For the present utility model Figure 5 An enlarged schematic diagram of the local structure at point B.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 1. Connecting cylinder; 2. Sealing assembly; 201. Mounting cylinder; 202. Mounting groove; 203. Sealing gasket; 3. Support assembly; 301. Support block; 302. Support spring; 4. Ejector pin assembly; 401. Fixing bracket; 402. Ejector rod; 403. Ejector block; 404. Limiting plate; 405. Return spring; 406. Connecting plate; 5. Actuating assembly; 501. Connecting pipe; 502. Mounting shaft; 503. Actuator; 504. Eccentric wheel; 505. Connecting groove; 506. Arc groove; 6. Detection assembly; 601. Hoses; 602. Pressure gauge. Detailed Implementation

[0033] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0034] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0035] Please see Figures 1-6 As shown, this utility model is a tire pressure detection system, including a connecting cylinder 1:

[0036] The connecting cylinder 1 is respectively provided with a sealing component 2, a support component 3, a pin component 4, a toggle component 5, and a detection component 6;

[0037] The sealing assembly 2 has its outer surface slidably disposed with the interior of the connecting cylinder 1, so that the connecting cylinder 1 drives the sealing assembly 2 to seal and connect with the tire valve.

[0038] The support component 3 is rotatably disposed between its outer surface and the interior of the connecting cylinder 1, so that the support component 3 supports the connecting cylinder 1 and the sealing component 2;

[0039] The ejector pin assembly 4 is fixedly connected to the interior of the sealing assembly 2 on one side, so that the sealing assembly 2 drives the ejector pin assembly 4 to contact the tire valve;

[0040] The actuating component 5 is slidably disposed with one end of the ejector pin assembly 4 so that the actuating component 5 drives the ejector pin assembly 4 to deflate the tire;

[0041] The detection component 6 is internally connected to the actuation component 5, so that the detection component 6 can detect the internal air pressure of the tire.

[0042] In use, by fitting the connecting cylinder 1 onto one end of the tire valve and then rotating the connecting cylinder 1, the connecting cylinder 1 is threadedly installed with the tire valve using its internal threads. This allows the connecting cylinder 1 to move the internally sliding sealing component 2 closer to one end of the tire valve, sealing one end of the sealing component 2 with one end of the tire valve. Simultaneously, the sealing component 2 can cause one end of the internally fixed ejector pin component 4 to come into contact with the valve core of the tire valve. Then, pulling the actuating component 5 causes the internally sliding ejector pin component 4 to move downward, pushing the valve core and allowing air from inside the tire to enter the interior of the sealing component 2. Since the interior of the sealing component 2 is connected to the interior of the actuating component 5, and the interior of the actuating component 5 is connected to the interior of the detection component 6, the air entering the sealing component 2 can then enter the interior of the detection component 6 along with the actuating component 5. This connects the interior of the tire, the sealing component 2, the actuating component 5, and the detection component 6, allowing the detection component 6 to detect the air pressure inside the tire.

[0043] This invention utilizes the rotating connecting cylinder 1 to engage with the internal threads of the tire valve for threaded installation. This allows the connecting cylinder 1 to move the internally sliding sealing component 2 closer to one end of the tire valve, sealing one end of the sealing component 2 against the tire valve. Simultaneously, the sealing component 2 causes one end of the internally fixed ejector pin component 4 to engage with the valve core of the tire valve. This seal prevents air loss from the tire and avoids affecting tire pressure monitoring data.

[0044] In one embodiment, the sealing assembly 2 includes a mounting cylinder 201, the outer surface of which is slidably disposed with the interior of the connecting cylinder 1, and a mounting groove 202 is provided at one end of the mounting cylinder 201, and a sealing gasket 203 is fixedly installed inside the mounting groove 202.

[0045] When the connecting cylinder 1 is threaded onto the tire valve, it can drive the internally sliding mounting cylinder 201 to move towards one end of the tire valve, so that it can cooperate with the mounting groove 202 to drive the sealing gasket 203 to move, thereby making the sealing gasket 203 seal against one end of the tire valve during the movement, and making the inside of the tire valve fit against one end of the mounting cylinder 201.

[0046] In one embodiment, the support component 3 includes a support block 301, the outer surface of which is rotatably disposed with respect to the interior of the connecting cylinder 1, and a support spring 302 is fixedly connected to one side of the support block 301, one end of which is fixedly connected to one side of the mounting cylinder 201.

[0047] Because the outer surface of the support block 301 is rotatably mounted to the inside of the connecting cylinder 1, the support block 301 can be prevented from rotating when the connecting cylinder 1 rotates. This prevents the application of torque to the support spring 302 fixed on one side of the support block 301, thereby improving the service life of the support spring 302. Since one end of the support spring 302 is fixedly connected to one side of the mounting cylinder 201, the elastic potential energy of the support spring 302 can always cooperate with the support block 301 to push the connecting cylinder 1 and the mounting cylinder 201 to move in opposite directions, thereby improving the stability between the connecting cylinder 1 and the mounting cylinder 201.

[0048] In one embodiment, the ejector assembly 4 includes a fixing frame 401, one side of which is fixedly connected to the inner wall of the mounting cylinder 201. A push rod 402 is slidably disposed inside the fixing frame 401, and a push block 403 is fixedly connected to the bottom end of the push rod 402.

[0049] When the mounting cylinder 201 moves along with the connecting cylinder 1, it can cause the mounting cylinder 201 to move the fixing bracket 401 fixed on the inner wall, so that the fixing bracket 401 can move the sliding push rod 402 inside. When the push rod 402 moves, it can cause the bottom fixed top block 403 to move, and make one end of the top block 403 contact one end of the valve core.

[0050] In one embodiment, the ejector assembly 4 further includes a limiting plate 404. The interior of the limiting plate 404 is fixedly connected to the outer surface of the ejector rod 402. A return spring 405 is fixedly connected to the bottom end of the limiting plate 404. A connecting plate 406 is fixedly connected to one end of the return spring 405. The bottom end of the connecting plate 406 is in contact with the top end of the fixing frame 401. The interior of the connecting plate 406 is slidably connected to the outer surface of the ejector rod 402.

[0051] Since the inner surface of the connecting plate 406 is slidably disposed with the outer surface of the push rod 402, and the bottom end of the connecting plate 406 is in contact with the top end of the fixing frame 401, the fixing frame 401 can cooperate with the top-fixed return spring 405 to support the limiting plate 404, so that the limiting plate 404 drives the internally fixed push rod 402 to fix its position, so as to prevent the push rod 402 from shaking inside the fixing frame 401 and to keep the push rod 402 in a fixed position at all times.

[0052] In one embodiment, the toggle assembly 5 includes a connecting tube 501, the bottom end of which is fixedly installed with the top end of the mounting cylinder 201, and a mounting shaft 502 is rotatably connected inside the connecting tube 501. One end of the mounting shaft 502 is fixedly connected with a lever 503.

[0053] An eccentric wheel 504 is fixedly connected to the outer surface of the mounting shaft 502. A connecting groove 505 is provided on the outer surface of the eccentric wheel 504. An arc-shaped groove 506 is provided inside the connecting groove 505. The inside of the arc-shaped groove 506 fits against the top end of the push rod 402.

[0054] Because the push rod 402, in conjunction with the limiting plate 404 and the return spring 405, maintains a fixed position, the top end of the push rod 402 is in contact with the interior of one set of arc-shaped grooves 506, thus fixing the positions of the push rod 402 and the eccentric wheel 504. By rotating the lever 503, the mounting shaft 502 fixed on one side is rotated, causing the mounting shaft 502 to drive the eccentric wheel 504 fixed on the outer surface to rotate. This causes the eccentric wheel 504 to drive the connecting groove 505 on the outer surface to rotate, thereby driving one set of arc-shaped grooves 506 inside the connecting groove 505 to rotate, so that the top end of the push rod 402 moves out of one set of... Inside the arc-shaped groove 506, as the connecting groove 505 continues to rotate, the connecting groove 505 drives another set of arc-shaped grooves 506 to be limited and fixed to the top end of the push rod 402. Thus, during the movement of the connecting groove 505, it can push the push rod 402 downward, so that the push rod 402 cooperates with the limiting plate 404 to compress the return spring 405. At the same time, the push rod 402 drives the top block 403 to move along the direction of the fixing frame 401 and the connecting plate 406, so that the top block 403 squeezes the valve core, thereby facilitating the gas inside the tire to enter the interior of the mounting cylinder 201 through the valve core and then into the interior of the connecting pipe 501.

[0055] In one embodiment, the detection component 6 includes a hose 601, one end of which is fixedly installed with one end of a connecting pipe 501, and a pressure gauge 602 is fixedly installed at the other end of the hose 601.

[0056] It should be noted that the barometer 602 is existing technology. It uses the elastic deformation of sensitive elements inside the gauge, such as Bourdon tubes, diaphragms, bellows, etc., and then the conversion mechanism inside the gauge transmits the pressure deformation to the pointer, causing the pointer to rotate to display the pressure.

[0057] When the gas inside the tire enters the connecting pipe 501, the inside of the connecting pipe 501 is connected to one end of the hose 601, and the other end of the hose 601 is connected to the inside of the pressure gauge 602. This allows the gas to enter the pressure gauge 602 through the hose 601, thereby applying pressure to the sensitive element inside the pressure gauge 602. This causes the sensitive element to undergo elastic deformation, which, in conjunction with the conversion mechanism inside the pressure gauge 602, transmits the pressure deformation to the pointer, causing it to point to the numbers on the dial, thus indicating the tire's internal air pressure.

[0058] Through the above technical solution, 1. By rotating the connecting cylinder 1, the connecting cylinder 1 is threadedly installed with the tire valve in conjunction with the internal thread. This allows the connecting cylinder 1 to drive the internally sliding sealing component 2 to move closer to one end of the tire valve, and to seal one end of the sealing component 2 with one end of the tire valve. At the same time, the sealing component 2 can drive one end of the internally fixed ejector pin component 4 to fit against the valve core of the tire valve. This prevents the loss of air inside the tire under sealed conditions, thereby avoiding affecting the tire pressure detection data.

[0059] 2. By threading the connecting cylinder 1 to the tire valve, the internally sliding mounting cylinder 201 can be moved towards one end of the tire valve. This allows the mounting groove 202 to move the sealing gasket 203, thus sealing the sealing gasket 203 against one end of the tire valve during movement. The inside of the tire valve then comes into contact with one end of the mounting cylinder 201. Rotating the lever 503 causes the mounting shaft 502, fixed on one side, to rotate. This causes the mounting shaft 502 to rotate the eccentric wheel 504 fixed on its outer surface. The eccentric wheel 504 then rotates the connecting groove 505 on its outer surface, pushing the push rod 402 along the direction of the fixed frame 401 and the connecting plate 406 to move the top block 403. This causes the top block 403 to compress the valve core, facilitating the entry of tire pressure gas through the valve core into the mounting cylinder 201 and then into the connecting pipe 501, ensuring the sealing of the tire pressure detection system.

[0060] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0061] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tire pressure detection system, comprising a connecting cylinder (1), characterized in that: The connecting cylinder (1) is respectively provided with a sealing component (2), a support component (3), a pin component (4), a toggle component (5) and a detection component (6); The sealing assembly (2) has its outer surface slidably disposed with the interior of the connecting cylinder (1) so that the connecting cylinder (1) drives the sealing assembly (2) to seal with the tire valve; The outer surface of the support assembly (3) is rotatably disposed from the interior of the connecting cylinder (1) so that the support assembly (3) supports the connecting cylinder (1) and the sealing assembly (2); The ejector pin assembly (4) is fixedly connected to the interior of the sealing assembly (2) on one side, so that the sealing assembly (2) drives the ejector pin assembly (4) to contact the tire valve; The actuating component (5) is slidably disposed with one end of the ejector pin assembly (4) so ​​that the actuating component (5) drives the ejector pin assembly (4) to deflate the tire; The detection component (6) is internally connected to the inside of the actuation component (5) so that the detection component (6) can detect the internal air pressure of the tire.

2. The tire pressure detection system according to claim 1, characterized in that, The sealing assembly (2) includes a mounting cylinder (201), the outer surface of which is slidably disposed with the interior of the connecting cylinder (1), and a mounting groove (202) is provided at one end of the mounting cylinder (201), and a sealing gasket (203) is fixedly installed inside the mounting groove (202).

3. The tire pressure detection system according to claim 2, characterized in that, The support assembly (3) includes a support block (301), the outer surface of the support block (301) is rotatably connected to the inside of the connecting cylinder (1), and a support spring (302) is fixedly connected to one side of the support block (301), and one end of the support spring (302) is fixedly connected to one side of the mounting cylinder (201).

4. The tire pressure detection system according to claim 2, characterized in that, The ejector assembly (4) includes a fixing frame (401), one side of which is fixedly connected to the inner wall of the mounting cylinder (201), and a push rod (402) is slidably arranged inside the fixing frame (401), and a top block (403) is fixedly connected to the bottom end of the push rod (402).

5. A tire pressure detection system according to claim 4, characterized in that, The ejector pin assembly (4) also includes a limiting plate (404), the interior of which is fixedly connected to the outer surface of the ejector rod (402), a return spring (405) is fixedly connected to the bottom end of the limiting plate (404), a connecting plate (406) is fixedly connected to one end of the return spring (405), the bottom end of the connecting plate (406) is in contact with the top end of the fixing frame (401), and the interior of the connecting plate (406) is slidably connected to the outer surface of the ejector rod (402).

6. The tire pressure detection system according to claim 5, characterized in that, The actuating assembly (5) includes a connecting tube (501), the bottom end of which is fixedly installed with the top end of the mounting cylinder (201), and a mounting shaft (502) is rotatably connected inside the connecting tube (501), and a lever (503) is fixedly connected to one end of the mounting shaft (502). An eccentric wheel (504) is fixedly connected to the outer surface of the mounting shaft (502). A connecting groove (505) is provided on the outer surface of the eccentric wheel (504). An arc groove (506) is provided inside the connecting groove (505). The inside of the arc groove (506) fits against the top end of the push rod (402).

7. A tire pressure detection system according to claim 6, characterized in that, The detection component (6) includes a hose (601), one end of which is fixedly installed with one end of a connecting pipe (501), and a pressure gauge (602) is fixedly installed at the other end of the hose (601).