Integrated inflation and deflation system type single-channel tire valve

Abstract

The utility model relates to the technical field of tire valves, and discloses a single-channel tire valve capable of integrating an inflation and deflation system, which further comprises a valve body (1), a diaphragm valve core (2) is arranged in the valve body (1), the diaphragm valve core (2) divides the valve body (1) into an outer cavity (11) and an inner cavity (12) communicated with a tire, and the single-channel tire valve further comprises a floating valve core (3) arranged in the inner cavity (12). And the floating valve core (3) is pushed by air pressure to displace and is in contact fit with an air port of the inner cavity (12). The system can be applied to some high-end automobiles or scenes with high requirements for vehicle automation, and is low in cost, simple in technology and convenient to maintain and replace.

Description

Technical Field

[0001] This utility model relates to the field of tire valve technology, and in particular to a single-channel tire valve that can be integrated into an inflation / deflation system. Background Technology

[0002] As a key component of tires, tire valves are used to maintain stable tire pressure and perform inflation and deflation operations. Early traditional tire valves had simple structures that only met basic inflation and deflation requirements; current inflation and deflation structures are mostly dual-channel, which cannot meet integrated control, and the inflation and deflation speeds are slow and the deflation accuracy is not high. For large vehicle tires or situations that require frequent inflation and deflation, the efficiency may be low. Utility Model Content

[0003] This invention addresses the shortcomings of existing technologies by providing a single-channel tire valve that can be integrated into an inflation / deflation system.

[0004] To solve the above-mentioned technical problems, the present invention provides a solution through the following technical method:

[0005] A single-channel tire valve that can be integrated into an inflation / deflation system also includes a valve body, in which a diaphragm valve core is installed. The diaphragm valve core divides the valve body into an outer cavity and an inner cavity that communicates with the tire. An air tank is connected to the outer cavity and supplies air to it. The air in the air tank pushes the diaphragm valve core to open and allows air to enter the inner cavity and the tire, thereby achieving inflation. The valve also includes a floating valve core installed in the inner cavity. When the air pressure in the tire is high, the floating valve core is pushed by the air pressure to move and contact the air port in the inner cavity, thereby isolating or reducing the gas exchange between the inner cavity and the outside.

[0006] Preferably, the system also includes a gas storage tank and a main control valve. The gas storage tank, the main control valve, and the valve body are connected by a gas passage. The main control valve controls the gas storage tank to supply gas to the valve body, and the main control valve discharges the gas discharged from the valve body to the outside.

[0007] Preferably, a floating spring is also included, wherein the floating spring and the floating valve core are connected in sequence along the air intake direction and located in the inner cavity.

[0008] Preferably, the contact ring surface of the working end of the floating valve core is sealed to the air passage of the inner cavity. The working end of the floating valve core is provided with a small hole, with the two ends of the small hole located on both sides of the contact ring surface. This allows some gas to flow through the small hole after the contact ring surface is sealed to the air passage of the inner cavity.

[0009] Preferably, the diaphragm valve core includes a diaphragm and a spring mounted on the diaphragm; the end face of the diaphragm is connected to both the outer cavity and the inner cavity.

[0010] Preferably, the spring seat is also installed on the upper end of the spring. The upper spring seat is connected to the valve body by a sealing ring to form a chamber. The connection between the upper spring seat and the valve body is further sealed by a perforated elastic retaining ring, felt and dust cover.

[0011] Preferably, a locking valve cover is also included. The locking valve cover is threaded onto the valve body and is located above the upper seat of the spring. When the locking valve cover is tightened, it presses down on the upper seat of the spring and compresses the spring, thus causing the diaphragm to fail and preventing the function of air intake and exhaust from being realized.

[0012] Preferably, a valve core assembly is also installed on the valve body, which is connected to the inner cavity and directly supplies air to or exhausts air from the tire.

[0013] Preferably, an adapter and an air inlet connector are also installed at the outer cavity port of the valve body, and a sealing ring is installed between the valve body, the adapter and the air inlet connector.

[0014] This utility model has significant technical effects due to the adoption of the above technical solutions: this application can be applied in some high-end cars or scenarios with high requirements for vehicle automation. This application is low in cost, simple in technology, and easy to maintain and replace. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a schematic diagram of the fixed-value inflation of this utility model.

[0017] Figure 3 This is a schematic diagram of the locking and pressure-maintaining mechanism of this utility model.

[0018] Figure 4 This is a schematic diagram of the fixed-value venting of this utility model.

[0019] The parts referred to by the numbers in the attached diagram are as follows: 1—valve body, 2—diaphragm valve core, 3—floating valve core, 4—air tank, 5—main control valve, 11—outer cavity, 12—inner cavity, 13—spring seat, 14—locking valve cover, 15—elastic retaining ring, 16—felt, 17—dust cover, 18—adapter, 19—air inlet connector, 21—diaphragm, 22—spring, 31—floating spring, 32—orifice. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0021] Example 1

[0022] A single-channel tire valve with an integrated inflation / deflation system, as shown in the figure, also includes a valve body 1. A diaphragm valve core 2 is installed inside the valve body 1. The diaphragm valve core 2 divides the valve body 1 into an outer cavity 11 and an inner cavity 12 that communicates with the tire. An air tank 4 is connected to the outer cavity 11 and supplies air to it. The gas in the air tank 4 pushes the diaphragm valve core 2 to open and allows gas to enter the inner cavity 12 and the tire, thereby achieving inflation. It also includes a floating valve core 3 installed in the inner cavity 12. When the air pressure in the tire is high, the floating valve core 3 is pushed by the air pressure to move and contact the air port of the inner cavity 12, thereby isolating or reducing the gas exchange between the inner cavity 12 and the outside.

[0023] It also includes a gas storage tank 4 and a main control valve 5. The gas storage tank 4, the main control valve 5 and the valve body 1 are connected by a gas passage. The main control valve 5 controls the gas storage tank 4 to supply gas into the valve body 1, and the main control valve 5 discharges the gas discharged from the valve body 1 to the outside.

[0024] Example 2

[0025] Similar to Embodiment 1, except that it also includes a floating spring 31, which and the floating valve core 3 are connected in sequence along the air intake direction and located in the inner cavity 12.

[0026] The contact ring surface of the working end of the floating valve core 3 is sealed to the air passage of the inner cavity 12. The working end of the floating valve core 3 is provided with a small hole 32. The two ends of the small hole 32 are located on both sides of the contact ring surface, so that after the contact ring surface is sealed to the air passage of the inner cavity 12, some gas can flow through the small hole 32.

[0027] Example 3

[0028] Similar to Embodiment 1, except that the diaphragm valve core 2 includes a diaphragm 21 and a spring 22 mounted on the diaphragm 21; the end face of the diaphragm 21 is connected to both the outer cavity 11 and the inner cavity 12.

[0029] It also includes a spring seat 13 installed on the upper end of the spring 22. The spring seat 13 is connected to the valve body 1 by a sealing ring to form a chamber. The connection between the spring seat 13 and the valve body 1 is further sealed by a hole elastic retaining ring 15, felt 16 and dust cover 17.

[0030] This application can achieve the following operations:

[0031] 1) Perform a fixed-value inflation operation: During the inflation process of the tire, when the air pressure in the outer cavity 11 (i.e. the air inlet) of the valve body 1 reaches the predetermined pressure value, the diaphragm 21 opens to inflate, but inflation can be stopped when the pressure reaches the set value of the main control valve.

[0032] 2) Perform the locking and pressure holding operation: When the calibrated air pressure is reached, the main control valve 5 is unloaded to release the air pressure in the pipeline (the air inlet pipeline is not pressurized). At the same time, the wheel pressure acts on the floating valve core 3, causing the floating valve core 3 to fall to the left against the floating spring 31, thereby pressing against the air passage of the inner cavity 12. The pressure is reduced through the small hole 32 in the floating valve core 3, the pressure regulating floating spring 31 is reset, and the diaphragm 21 seals the valve cavity lip to lock and hold the pressure.

[0033] 3) Perform a set-value deflation operation: The main control valve 5 inputs a set-value air intake. There is a pressure difference between the set-value air intake and the tire pressure. The pressure difference is set to the main control valve calibration value, that is, the tire pressure < set-value air intake > the opening pressure of diaphragm 21. When diaphragm 21 opens, the floating valve core 31 opens to the right to vent air. When the deflation reaches the preset pressure value, the main control valve 5 stops venting air. At the same time, the above operation 2) is performed to lock and maintain pressure to achieve the set-value deflation.

[0034] Example 4

[0035] Similar to Embodiment 1, except that it also includes a locking valve cover 14. The locking valve cover 14 is installed on the valve body 1 by threads. The locking valve cover 13 is located above the upper spring seat 13 and above the spring 22. After being tightened, the locking valve cover 13 presses down on the upper spring seat 13 and compresses the spring 22, thus causing the diaphragm 21 to fail and unable to perform the function of air intake and exhaust.

[0036] The valve body 1 is also equipped with a valve core assembly 6, which is connected to the inner cavity 12 and directly supplies air to or exhausts air from the tire.

[0037] When the main control valve fails, this tire valve can be operated mechanically: manually tighten the locking valve cover 14 and inflate or deflate the tire through the valve core assembly.

[0038] Example 5

[0039] Similar to Embodiment 1, except that an adapter 18 and an air inlet connector 19 are also installed at the port of the outer cavity 11 of the valve body 1, and a sealing ring is installed between the valve body 1, the adapter 18 and the air inlet connector 19.

[0040] In summary, the above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the patent of the present utility model.

Claims

1. A single channel tire valve of an integrable inflation and deflation system, characterized by: It also includes a valve body (1), in which a diaphragm valve core (2) is installed. The diaphragm valve core (2) divides the valve body (1) into an outer cavity (11) and an inner cavity (12) that communicates with the tire. It also includes a floating valve core (3) installed in the inner cavity (12). When the air pressure in the tire is high, the floating valve core (3) is pushed by the air pressure to move and contact the air port of the inner cavity (12).

2. An integrable charge and discharge system type single channel tire valve according to claim 1, characterized in that: It also includes a gas storage tank (4) and a main control valve (5). The gas storage tank (4), the main control valve (5) and the valve body (1) are connected by a gas passage. The main control valve (5) controls the gas storage tank (4) to supply gas into the valve body (1), and the main control valve (5) discharges the gas discharged from the valve body (1) to the outside.

3. An integrable charge and discharge system type single channel tire valve according to claim 1, characterized in that: It also includes a floating spring (31), and the floating spring (31) and the floating valve core (3) are connected in sequence along the air intake direction and located in the inner cavity (12).

4. An integrable charge and discharge system type single channel tire valve according to claim 1, characterized in that: The contact ring surface of the working end of the floating valve core (3) is sealed to the air passage of the inner cavity (12). The working end of the floating valve core (3) is provided with a small hole (32), and the two ends of the small hole (32) are located on both sides of the contact ring surface.

5. An integrable charge and discharge system type single channel tire valve according to claim 1 characterized in that: The diaphragm valve core (2) includes a diaphragm (21) and a spring (22) mounted on the diaphragm (21); the end face of the diaphragm (21) is connected to both the outer cavity (11) and the inner cavity (12).

6. An integrable charge and discharge system type single channel tire valve according to claim 5, characterized in that: It also includes a spring seat (13) installed on the upper end of the spring (22), and the spring seat (13) is connected to the valve body (1) by a sealing ring to form a chamber.

7. An integrable charge and discharge system type single channel tire valve according to claim 6, characterized in that: It also includes a locking valve cover (14), which is threaded onto the valve body (1). The locking valve cover (14) is located above the upper spring seat (13) and above the spring (22). After tightening, the locking valve cover (14) presses down on the upper spring seat (13) and compresses the spring (22).

8. An integrable charge and discharge system type single channel tire valve according to claim 1 characterized in that: The valve body (1) is also equipped with a valve core assembly (6), which is connected to the inner cavity (12) and directly supplies air or exhausts air to the tire.

9. An integrable charge and discharge system type single channel tire valve according to claim 1 characterized in that: An adapter (18) and an air inlet connector (19) are also installed at the port of the outer cavity (11) of the valve body (1). A sealing ring is installed between the valve body (1), the adapter (18) and the air inlet connector (19).

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