CN203670929U

CN203670929U - Inflating valve

Info

Publication number: CN203670929U
Application number: CN201320881444.1U
Authority: CN
Inventors: 夏舟波
Original assignee: NINGBO ABLE RUBBER AND AUTO PARTS CO Ltd
Current assignee: NINGBO ABLE RUBBER AND AUTO PARTS CO Ltd
Priority date: 2013-12-18
Filing date: 2013-12-18
Publication date: 2014-06-25
Anticipated expiration: 2023-12-18

Abstract

An inflating valve comprises an air tap pipe casing and an air tap base, wherein the air tap pipe casing is connected with a tyre, and the air tap base is arranged in the air tap pipe casing. The inflating valve is characterized in that the air tap base is internally provided with an inflating valve body provided with an inflating hole, a centre which can move vertically is arranged in the inflating hole of the inflating valve body, the upper end of the centre penetrates through the inflating hole and extends out of the inflating valve body, the lower end of the centre is provided with a sealing block, the sealing block is matched with the lower end of the inflating valve body and seals the inflating hole, a magnet which can be attracted with the inflating valve body is arranged in the sealing block, and a spring which enables the sealing block to upwards seal the inflating hole all the time is supported between the lower end of the sealing block and the inner wall of the air tap base. The sealing block is conical, the magnet is arranged in the sealing block, rubber is arranged outside the sealing block, the inflating hole is sealed due to magnetic attraction between the sealing block and the inflating valve body, and the rubber outside the sealing block plays a better role in sealing. The inflating valve is simple in structure and good in sealing gas tightness, air leakage caused by aging of the spring and the like is avoided, the dual protection effect is achieved, and riding safety is largely improved.

Description

Valve cock

Technical field

The utility model relates to motor vehicle fittings technical field, specifically a kind of valve cock of tire.

Background technique

Cranked tire valve is the design that is installed in tire and convexedly stretches in wheel rim framework periphery, it mainly comprises a valve seat, and in valve seat, be provided with the turnover of a valve rod control gas and airtight conditions is provided, and then can pour into gas to tire via this cranked tire valve, make tire there is certain tire pressure.

At present in automobile tire, widely used valve is the form that a kind of valve pipe is threaded connection valve seat in it, valve plug on valve rod is to be generally pressed on the valve of valve seat and to be sealed by the active force of spring, if service time long camber of spring or tire and collision on the ground severity, capital is caused the displacement of valve plug, is made valve sealing not tight, air in tire will slowly be missed like this, serious also can cause that tire is overheated blasts, cause the generation of accident.Therefore be necessary to design a kind of valve cock with good seal performance, meet the demand in market.

Summary of the invention

Technical problem to be solved in the utility model is that a kind of simple in structure, valve cock that tightness is good is provided for the above-mentioned state of the art.

The utility model solves the problems of the technologies described above adopted technological scheme: a kind of valve cock, comprise the valve pipe box being connected with tire and be arranged on the valve seat in valve pipe box, it is characterized in that: in described valve seat, be provided with an air valve with air-filled pore, the thimble that is provided with movable up and down in the air-filled pore of air valve, the upper end of thimble stretches out in outside air valve through air-filled pore, the lower end of thimble is provided with and coordinates the sealing block offseting air-filled pore sealing with the lower end of air valve, in sealing piece, be provided with the magnet that can inhale mutually with air valve, and between the lower end of sealing block and the inwall of valve seat, be supported with and make sealing block all the time upwards by the spring of air-filled pore sealing.

As improvement, described sealing block is coniform, and described valve seat inwall is provided with the tapering of matching with sealing block.

As improvement, the magnet of described sealing block is coated with the rubber layer for increasing sealability.

Improve, described air valve adopts the stainless steel material of inhaling mutually with magnet again, and described air valve is threaded connection and is arranged in valve seat.

Improve, the upper end of described valve seat is provided with the outside thread being connected with gas nozzle cap and the internal thread being connected with air valve again.

Further improve, described valve pipe box adopts rubber to make, and the epimere of described valve pipe box is straight-tube shape, is coated on the hypomere outside of valve seat, the bottom of described valve pipe box is shaped to a round table-like base, and forms a convex tendon along circumference in the middle hypomere outer wall of valve pipe box.

Further improve, the internal diameter of the endoporus epimere of described valve pipe box coordinates with the hypomere outside dimension of valve seat, and the endoporus hypomere of described valve pipe box is undergauge section, and the internal diameter of this undergauge section is greater than the internal diameter of the center hole of valve seat.

Compared with prior art, the utility model has the advantage of: in valve seat, be provided with air valve, by the sealing block and the turnover and the sealing that realize gas coordinating of air valve of thimble, it is coniform that sealing block is, inside is magnet, outside is rubber, and sealing block and air valve are inhaled air-filled pore sealing by Magnetic Phase like this, and the rubber layer of sealing block outside has played good seal action.The utility model is simple in structure, tightness good, has avoided the gas leak phenomenon that causes due to reasons such as spring are aging, has double protection, has greatly improved the Security of driving.

Accompanying drawing explanation

Fig. 1 is structure sectional view of the present utility model;

Fig. 2 is the structure sectional view of Fig. 1 under air-filled pore open mode;

Fig. 3 is the stereoscopic figure of Fig. 1;

Fig. 4 is the stereogram of Fig. 3 under gas nozzle cap open mode.

Embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Figure 1 to 4, the valve cock of the present embodiment, comprise the valve pipe box 1 being connected with tire and be arranged on the valve seat 2 in valve pipe box 1, in described valve seat 2, be provided with an air valve 4 with air-filled pore, the upper end of described valve seat 2 is provided with the outside thread being connected with gas nozzle cap 3 and the internal thread being connected with air valve 4, described gas nozzle cap 3 is set on valve seat 2 and offsets with the upper-end surface of valve pipe box 1, and air valve 4 is threaded connection and is arranged in valve seat 2, the thimble 5 that is provided with movable up and down in the air-filled pore of air valve 4, the upper end of thimble 5 stretches out in outside air valve 4 through air-filled pore, the lower end of thimble 5 is provided with and coordinates the sealing block 6 offseting air-filled pore sealing with the lower end of air valve 4, sealing block 6 is coniform, described valve seat 2 inwalls are provided with the tapering of matching with sealing block 6, in sealing block 6, be provided with the magnet that can inhale mutually with air valve 4, magnet is coated with the rubber layer 61 for increasing sealability, air valve 4 adopts the stainless steel material of inhaling mutually with magnet, make like this sealing block 6 and air valve 4 attract each other, air-filled pore is sealed, between the lower end of sealing block 6 and the inwall of valve seat 2, be supported with and make sealing block 6 all the time upwards by the spring 7 of air-filled pore sealing.

Valve pipe box 1 is to adopt rubber to make, the epimere of described valve pipe box 1 is straight-tube shape, be coated on the hypomere outside of valve seat 2, the bottom of described valve pipe box 1 is shaped to a round table-like base 12, and form a convex tendon 11 along circumference in the middle hypomere outer wall of valve pipe box 1, the internal diameter of the endoporus epimere of described valve pipe box 1 coordinates with the hypomere outside dimension of valve seat 2, the endoporus hypomere of described valve pipe box 1 is undergauge section 13, the internal diameter of this undergauge section 13 is greater than the internal diameter of the center hole of valve seat 2, this structure is not only connected firmly with valve seat 2, increased the fastness that is connected with tire simultaneously, also valve seat 2 is played a very good protection.

Working principle is: in the time not inflating, sealing block 6 is moved upward air-filled pore is closed by the elastic force of spring 7 and the attraction force of magnet, need to inflate time, depress thimble 5, the active force that overcomes spring 7 and magnet at the effect lower seal piece 6 of external force moves down, and air-filled pore is opened, gas enters tire from the air-filled pore of air valve 4, after having inflated, thimble 5 spring 7 and magnet effect under reset, air-filled pore is closed.

Claims

1. a valve cock, comprise the valve pipe box (1) being connected with tire and be arranged on the valve seat (2) in valve pipe box (1), it is characterized in that: in described valve seat (2), be provided with an air valve with air-filled pore (4), the thimble (5) that is provided with movable up and down in the air-filled pore of air valve (4), the upper end of thimble (5) stretches out in outside air valve (4) through air-filled pore, the lower end of thimble (5) is provided with the sealing block (6) coordinating with the lower end of air valve (4) air-filled pore sealing, in sealing piece (6), be provided with the magnet that can inhale mutually with air valve (4), and between the lower end of sealing block (6) and the inwall of valve seat (2), be supported with and make sealing block (6) all the time upwards by the spring (7) of air-filled pore sealing.

2. valve cock according to claim 1, is characterized in that: described sealing block (6) is coniform, and described valve seat (2) inwall is provided with the tapering of matching with sealing block (6).

3. valve cock according to claim 2, is characterized in that: the magnet of described sealing block (6) is coated with the rubber layer (61) for increasing sealability.

4. according to the valve cock described in claim 1 or 2 or 3, it is characterized in that: described air valve (4) adopts the stainless steel material of inhaling mutually with magnet, and described air valve (4) is threaded connection and is arranged in valve seat (2).

5. according to the valve cock described in claim 1 or 2 or 3, it is characterized in that: the upper end of described valve seat (2) is provided with the outside thread being connected with gas nozzle cap (3) and the internal thread being connected with air valve (4).

6. according to the valve cock described in claim 1 or 2 or 3, it is characterized in that: described valve pipe box (1) adopts rubber to make, the epimere of described valve pipe box (1) is straight-tube shape, be coated on the hypomere outside of valve seat (2), the bottom of described valve pipe box (1) is shaped to a round table-like base (12), and forms a convex tendon (11) along circumference in the middle hypomere outer wall of valve pipe box (1).

7. valve cock according to claim 6, it is characterized in that: the internal diameter of the endoporus epimere of described valve pipe box (1) coordinates with the hypomere outside dimension of valve seat (2), the endoporus hypomere of described valve pipe box (1) is undergauge section (13), and the internal diameter of this undergauge section (13) is greater than the internal diameter of the center hole of valve seat (2).