TPMS valve capable of implementing one-time fixed self-mounting and angle adjustment

Abstract

A TPMS valve capable of implementing one-time fixed self-mounting and angle adjustment, comprising a valve stem, a lower flat square, and an arc-shaped washer. One end of the valve stem is connected to the lower flat square; a flare riveting outer ring is arranged on the outer side of the valve stem and at the end of the valve stem close to the lower flat square; the flare riveting outer ring is sleeved with the arc-shaped washer; and a flare riveting inner ring corresponding to the flare riveting outer ring is further is arranged inside the arc-shaped washer. According to the valve, the flare riveting outer ring is arranged on the outer side of the valve stem, the flare riveting inner ring corresponding to the flare riveting outer ring is arranged inside the arc-shaped washer, and the flare riveting inner ring and the flare riveting outer ring fit against each other to form a flare riveting design. The flare riveting design solves the problem that a housing of a transmitter is directly pressed due to large torque between the valve stem and the washer and consequently the transmitter is damaged, and the flare riveting design also solves the problem that the washer and the valve stem are directly fastened under force and consequently the valve stem rotates after a rim is mounted.

Description

One-time installation self-fixing angle-adjusting TPMS valve TECHNICAL FIELD

[0001] The utility model relates to TPMS valve technical field, concretely relates to one-time installation self-fixing angle-adjusting TPMS valve. BACKGROUND

[0002] PMS system, is through adopting the tire pressure sensing unit and tire pressure monitoring unit of wireless radio frequency communication, realizes the real-time monitoring system of tire pressure. In order to realize real-time monitoring, the system is installed with TPMS transmitter on each tire, it can monitor the pressure and temperature in the tire, and send to the TPMS receiver in the car. In order to realize the fixed installation of TPMS transmitter, and will not fall off in various adverse conditions, generally is installed on the rim of the tire TPMS transmitter and is fixed together with the valve.

[0003] But most of the existing TPMS valve needs secondary installation, the first time installs the nozzle rod, rubber pad, gasket, the second time needs to assemble the transmitter and adjusts the transmitter according to the rim angle and locks with screw, secondary installation is easy to make mistakes, secondly, the large torque between nozzle rod and gasket will directly extrude the transmitter shell, and further damage the transmitter.

[0004] Utility model content

[0005] The utility model wants to solve the technical problem in at: how to solve the inconvenient installation problem existing in the assembly of current TPMS valve and transmitter.

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

[0007] One-time installation self-fixing angle-adjusting TPMS valve, including nozzle rod, lower flat square and arc gasket, one end of nozzle rod is connected with lower flat square, wherein the outer side of nozzle rod and the end close to lower flat square are equipped with rivet outer ring, the rivet outer ring is sleeved with arc gasket, and the inside of arc gasket is further equipped with rivet inner ring corresponding to rivet outer ring.

[0008] The TPMS valve of the application can be installed once, and the transmitter angle does not need to be adjusted twice and the transmitter is connected by means of additional screw connection;The valve and transmitter connection adopt the lower flat square connection of the nozzle rod itself, and the transmitter is locked after being pressed, the wedge-shaped expansion sleeve principle is used for the nozzle rod and gasket, the gasket holds the nozzle rod when the gasket is axially displaced, the greater the axial force of the gasket, the greater the radial force of the nozzle rod and gasket, the tighter the nozzle rod and gasket, the gasket is axially displaced, the lower flat square on the nozzle rod is used, the transmitter spherical arc connection is subjected to axial force, the transmitter is hung tightly, the spherical surface of the transmitter spherical arc and the gasket is automatically adjusted the spoke angle before being stressed, the transmitter is fixed, and the TPMS valve is locked.

[0009] As a further scheme of the utility model: the connecting position of the arc-shaped gasket and the mouth rod is further sleeved with a rubber pad for sealing.

[0010] As a further scheme of the utility model: the arc-shaped gasket and the rubber pad are fixed in the radial direction with the mouth rod.

[0011] As a further scheme of the utility model: the outer ring of the expansion rivet is in a conical structure, and the outermost circle diameter of the outer ring of the expansion rivet is greater than the inner diameter of the rubber pad.

[0012] As a further scheme of the utility model: the outermost circle diameter of the outer ring of the expansion rivet is greater than the outermost circle diameter of the mouth rod.

[0013] As a further scheme of the utility model: the outer diameter of the outer ring of the expansion rivet gradually increases in the direction of the lower flat square.

[0014] As a further scheme of the utility model: the inner ring of the expansion rivet is in a conical structure, and the inner ring of the expansion rivet is attached to the outer ring of the expansion rivet.

[0015] As a further scheme of the utility model: the outer side of the mouth rod is further provided with a nut.

[0016] As a further scheme of the utility model: the lower flat square is in a T-shaped structure, and is installed into the TPMS transmitter shell.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The TPMS valve of the application can be installed at one time, and the angle of the transmitter does not need to be adjusted twice, and the transmitter is connected by means of an additional screw; the valve and the transmitter are connected by the lower flat square of the self mouth rod, and are locked after being pressed by the transmitter; the wedge-shaped expansion sleeve principle is used for the mouth rod and the gasket, the gasket tightly holds the mouth rod when the gasket is axially displaced, the greater the axial force of the gasket, the greater the radial force of the mouth rod and the gasket, and the tighter the mouth rod and the gasket, the upper and lower axial forces are applied to the ball arc connecting portion of the transmitter by the lower flat square, the transmitter is tightly hung, the wheel spoke angle is automatically adjusted by the spherical surface of the gasket before being stressed, the transmitter is fixed, and the TPMS valve is locked;

[0019] 2. The outer ring of the expansion rivet is arranged on the outer side of the mouth rod, the inner ring of the expansion rivet corresponding to the outer ring of the expansion rivet is arranged in the arc-shaped gasket, the inner ring of the expansion rivet is attached to the outer ring of the expansion rivet to form an expansion rivet design, the expansion rivet design solves the problem that the transmitter shell is directly extruded by a large torque and is damaged, and the expansion rivet design also solves the problem that the gasket and the mouth rod are directly stressed and tightly held, and the mouth rod is turned after being installed on the rim;

[0020] 3、The whole of the contact position between the mouth rod and the gasket is wedge-shaped structure, which makes the gasket bear greater force and be fixed more tightly with the mouth rod, prevents the transmitter shell from being damaged by greater axial force, and has simple structure in design;

[0021] 4、The gasket spherical surface and the transmitter spherical surface are suitable for cooperation, are compatible with different spoke angles, do not need to be pre-adjusted by the tire factory, the T-shaped hook of the mouth rod is used to cooperate with the gasket to fix the transmitter, the transmitter does not need to be fixed by means of screws, the locking transmitter does not need auxiliary screw connection, and the design has simple and reasonable structure and high universality. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 is a schematic diagram of the connection structure of the valve mouth assembly and the TPMS transmitter according to the embodiment of the present application;

[0023] Fig. 2 is an exploded view of the valve mouth assembly according to the embodiment of the present application;

[0024] Fig. 3 is a sectional view of A-A in Fig. 2 according to the embodiment of the present application;

[0025] Fig. 4 is a sectional view of Fig. 1 according to the embodiment of the present application;

[0026] Mark explanation: 1, valve mouth assembly; 11, arc-shaped gasket; 111, rivet inner ring; 12, lower flat square; 13, rivet outer ring; 14, rubber pad; 15, mouth rod; 16, nut; 2, TPMS transmitter. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the embodiments of the present application. Obviously, the described embodiments are 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 labor fall within the scope of protection of the present application.

[0028] Referring to FIG. 1, FIG. 2, FIG. 3 and FIG. 4, a one-time installation self-fixing angle-adjusting TPMS valve core includes a valve core assembly 1 having a TPMS transmitter 2 installed at one end, the valve core assembly 1 including an arc-shaped gasket 11, a lower flat square 12, a riveting outer ring 13, a rubber pad 14, a valve stem 15 and a nut 16, the arc-shaped gasket 11 and the rubber pad 14 being fixed radially with the valve stem 15, it is to be noted that the arc-shaped gasket 11 is a metal gasket; wherein the lower flat square 12 is installed at one end of the valve stem 15 towards the TPMS transmitter 2, while the riveting outer ring 13 is installed outside the valve stem 15 and has an installation gap with the lower flat square 12, the arc-shaped gasket 11 is installed outside the riveting outer ring 13 and the valve stem 15, and the rubber pad 14 is further arranged between the arc-shaped gasket 11 and the valve stem 15 for fastening, the riveting outer ring 13 is attached to the arc-shaped gasket 11; and the nut 16 is further installed outside the valve stem 15 and at the back side away from the TPMS transmitter 2.

[0029] Referring to FIG. 2, FIG. 3 and FIG. 4, the arc-shaped gasket 11 is independently arranged in an arc-shaped and bowl-shaped structure, the inside of which includes a rectangular installation slot and a tapered slot formed by a riveting inner ring 111, i.e. an inner inclination is designed in the inner hole of the metal gasket, the rectangular installation slot is used to install the rubber pad 14; and the direction of the inclination is that the outer diameter of the riveting inner ring 11 towards one side of the rectangular installation slot is getting smaller and smaller, and the outer diameter of the rubber pad 14 is correspondingly larger than the maximum outer diameter of the riveting inner ring 11, so that the rubber pad 14 can play a role of limiting and sealing the riveting inner ring 11, the spherical surface of the arc-shaped gasket 11 can automatically adjust the spoke angle before being stressed, fix the transmitter and lock the TPMS valve core.

[0030] Referring to FIG. 2, FIG. 3 and FIG. 4, the lower flat square 12 is arranged at one end of the valve stem towards the TPMS transmitter 2, the lower flat square 12 is in a "T" shaped structure, which is installed into the TPMS transmitter housing, and the T-shaped lower flat square 12 on the valve stem can be hung on the TPMS transmitter 2 when being installed.

[0031] Referring to FIG. 2, FIG. 3 and FIG. 4, the riveting outer ring 13 is arranged outside the valve stem 15 and close to one end of the lower flat square 12, the riveting outer ring 13 is sleeved with the arc-shaped gasket 11, and the riveting outer ring 13 corresponds to the riveting inner ring 111, both of which are attached, therefore the riveting outer ring 13 is provided with an outer inclination corresponding to the riveting inner ring 111, the riveting outer ring 13 is in a tapered structure, the outermost diameter of the riveting outer ring 13 is smaller than the inner diameter of the rubber pad 14, and the rubber pad 14 can play a role of limiting and sealing between the arc-shaped gasket 11 and the riveting outer ring 13; the outermost diameter of the riveting outer ring 13 is larger than the outermost diameter of the valve stem 15; and the outer diameter of the riveting outer ring 13 gradually increases towards the lower flat square 12.

[0032] It is to be noted that the valve stem 15 and the arc-shaped gasket 11 of the present application are designed in a wedge-shaped structure, specifically a wedge-shaped design between the riveting outer ring 13 and the riveting inner ring 111, the greater the stress on the arc-shaped gasket, the tighter the arc-shaped gasket is fixed with the valve stem 15.

[0033] Referring to Fig. 1, the mouth rod 15 is further designed with a nut 16 adjusting part, when the arc-shaped gasket 11 is displaced under force, the nut can hold the mouth rod more tightly.

[0034] The specific working principle of the application is as follows:

[0035] The nut 16 locks the air valve, when the mouth rod 15 is under certain axial locking force, the arc-shaped gasket 11 is axially displaced, the spherical surface of the gasket extrudes the launcher shell, at the same time, the T-shaped hook on the mouth rod 15 hooks the launcher, the launcher shell is subjected to the axial force of the mouth rod 15 up and down, and the TPMS launcher 2 is compressed, at this time, the axial force of the end surface of the gasket 11 continues to increase, the expansion sleeve structure on the gasket is locked under force, the gasket and the mouth rod 15 are integrated, the locking force of the nut 16 is absorbed, the launcher shell is prevented from being damaged by large axial force, the gasket 11 and the mouth rod 15 absorb most of the pre-tightening force, the wedge-shaped structure is designed on the mouth rod and the gasket of the TPMS air valve, the launcher is adjusted in the radial direction in the spherical surface of the gasket, the universality is strong, it is suitable for different rim angles, the complicated assembly is avoided, the professional operation is reduced, and the efficiency is improved.

[0036] The above embodiments are only used to illustrate the technical solutions of the application, rather than limit them; although the application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; the modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the application.

Claims

1. A one-step installation self-fixing angle-adjustable TPMS valve, characterized in that, The application relates to a mouth rod (15) connected with a lower flat square (12) at one end, wherein the outer side of the mouth rod (15) and the end close to the lower flat square (12) are provided with a riveting outer ring (13), the riveting outer ring (13) is sleeved with an arc-shaped gasket (11), and the inner side of the arc-shaped gasket (11) is further provided with a riveting inner ring (111) corresponding to the riveting outer ring (13).

2. A one-step installation self-fixing angle-adjustable TPMS valve core according to claim 1, characterized in that: The connecting position of the arc-shaped gasket (11) and the mouth rod (15) is further sleeved with a rubber pad (14) for sealing.

3. A one-step installation self-retaining adjustable angle TPMS valve stem cap as defined in claim 2, wherein: The arc-shaped gasket (11) and the rubber pad (14) are both fixed in the radial direction of the mouth rod (15).

4. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 2, wherein: The riveting outer ring (13) is in a conical structure, and the outermost circle diameter of the riveting outer ring (13) is smaller than the inner diameter of the rubber pad (14).

5. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 4, wherein: The outermost circle diameter of the riveting outer ring (13) is larger than the outermost circle diameter of the mouth rod (15).

6. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 1, wherein: The outer diameter of the riveting outer ring (13) gradually increases in the direction towards the lower flat square (12).

7. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 1, wherein: The riveting inner ring (111) is in a conical structure, and the riveting inner ring (111) is attached to the riveting outer ring (13).

8. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 1, wherein: The outer side of the mouth rod (15) is further provided with a nut (16).

9. A one-step installation self-retention adjustable angle TPMS valve stem cap of claim 1, wherein: The lower flat square (12) is in a T-shaped structure and is installed into a TPMS transmitter shell.

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