CN212960281U

CN212960281U - High-sealing leakage-proof gas valve

Info

Publication number: CN212960281U
Application number: CN202021750726.4U
Authority: CN
Inventors: 陈金荣; 刘豆
Original assignee: Tianjin Rongxin Valve Manufacturing Co ltd
Current assignee: Tianjin Rongxin Valve Manufacturing Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-13
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to the technical field of gas pipeline fittings, specifically disclose a high sealed gas valve of preventing revealing, including disk seat, first coupling and second coupling, the left and right ends of disk seat are provided with inlet end and outlet end respectively, the left side fixedly connected with first coupling of inlet end, the left side fixedly connected with first rubber pad of first coupling, the activity has been cup jointed on the first coupling and has been connect with the union nut, the right side fixedly connected with second coupling of outlet end, be provided with first sealing device on the union nut, the junction of second coupling and cooking utensils pipe is provided with the second sealing device; the utility model discloses be provided with first sealing device on the loose joint nut, be provided with second sealing device on second pipe connector for the gas valve has good leakproofness in the use, ensures that the gas can not reveal away from the gas valve, has avoided the gas to leak the harm that causes.

Description

High-sealing leakage-proof gas valve

Technical Field

The utility model relates to a gas pipeline accessory technical field specifically is a high sealed gas valve of preventing revealing.

Background

In our daily life, the supply of gas is basically popularized, the normal use of gas can not be controlled by opening and closing a gas valve, especially the gas valve which is still widely applied to rural areas, cylinder valve tank trucks and gas tanks of catering stalls on the street is screwed to open and close the top of the gas tank every time the gas valve is used, but the existing gas valve still has many problems in the aspects of automatic fire prevention and high temperature prevention, such as leakage, fire and the like, and the gas leakage can explode to cause fire.

The high sealed gas valve device of prior art development, like CN 208586651U's a high sealed gas valve device, this utility model discloses a set up hollow groove and support column, can alleviate the weight of well lid, convenient transportation, through the bracing piece, a spring, the sleeve pipe, cooperation setting between fixed plate and the fly leaf, can bounce the well lid automatically, conveniently open, periodic inspection, but it has following weak point in the use, the leakproofness of gas valve is relatively poor, let the gas reveal from the gas valve easily, easily cause the potential safety hazard, arouse great casualties.

Disclosure of Invention

An object of the utility model is to provide a high sealed gas valve of preventing revealing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high sealed gas valve that prevents revealing, includes disk seat, first coupling and second coupling, both ends are provided with the inlet end respectively and give vent to anger the end about the disk seat, the first coupling of left side fixedly connected with of inlet end, the first rubber pad of left side fixedly connected with of first coupling, the loose joint nut has been cup jointed in the activity on the first coupling, the right side fixedly connected with second coupling of the end of giving vent to anger, be provided with first sealing device on the loose joint nut, the second coupling is provided with second sealing device with the junction of cooking utensils pipe.

As the utility model discloses further scheme again, the surface of loose joint nut is provided with the external screw thread, the external screw thread of loose joint nut and the internal thread phase-match of gas jar kneck, loose joint nut and gas jar are connected for dismantling, the internal surface of second coupling is provided with the internal thread, the internal thread of second coupling and the external screw thread phase-match of cooking utensils pipe kneck, second coupling and cooking utensils pipe fixed connection are in the same place.

As the utility model discloses scheme further still, first sealing device's inside is provided with the sealing ring, and is provided with seal ring in the inside of the sealing ring, first sealing device's intermediate position is provided with the inflation packing ring, first through-hole has been seted up to first sealing device's upper and lower both ends symmetry, and is provided with the screw thread on the internal surface of first through-hole.

As the utility model discloses scheme further still, first recess has been seted up for the position of first through-hole to the loose joint nut, be provided with the screw thread on the internal surface of first recess, still be provided with first bolt on the first sealing device, first bolt passes first through-hole to threaded connection is on the first recess.

As a further proposal, the inside of the second sealing device is provided with a sealing cushion layer, the middle position of the second sealing device is provided with an expansion gasket, the upper and lower two ends of the second sealing device are symmetrically provided with a second through hole, and the inner surface of the second through hole is provided with a thread.

As a still further aspect of the present invention, the second groove has been seted up for the position of second through-hole to the second coupling, be provided with the screw thread on the internal surface of second groove, still be provided with the second bolt on the second sealing device, the second bolt passes the second through-hole to threaded connection is on the second groove.

As a further proposal of the utility model, the loose joint nut is fixedly connected with a hand wheel, and a second rubber pad is sleeved on the hand wheel.

Compared with the prior art, the beneficial effects of the utility model are that:

this use is novel to be provided with first sealing device on the loose joint nut, is provided with second sealing device on the second pipe connector for the gas valve has good leakproofness in the use, ensures that the gas can not reveal away from the gas valve, has avoided the harm that the gas leakage caused.

Drawings

FIG. 1 is a schematic view showing a highly sealed leakage-proof gas valve;

FIG. 2 is a schematic view of the cross-sectional structure A-A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure at B in FIG. 2;

fig. 4 is an enlarged view of a portion of the structure at C in fig. 2.

In the figure: 1. a valve seat; 101. an air inlet end; 102. an air outlet end; 2. a first pipe joint; 3. a second pipe joint; 301. a second groove; 4. a first rubber pad; 5. a loose joint nut; 501. a first groove; 6. a first sealing device; 601. a sealing collar; 602. a sealing gasket; 603. an expansion washer; 604. a first through hole; 7. a second sealing device; 701. sealing the cushion layer; 702. an expansion gasket; 703. a second through hole; 8. a first bolt; 9. a second bolt; 10. a hand wheel; 11. and a second rubber pad.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a high-sealing leakage-proof gas valve includes a valve seat 1, a first pipe joint 2 and a second pipe joint 3, an air inlet 101 and an air outlet 102 are respectively disposed at left and right ends of the valve seat 1, the first pipe joint 2 is fixedly connected to the left side of the air inlet 101, the first rubber pad 4 is fixedly connected to the left side of the first pipe joint 2, a union nut 5 is movably sleeved on the first pipe joint 2, the second pipe joint 3 is fixedly connected to the right side of the air outlet 102, a first sealing device 6 is disposed on the union nut 5, a second sealing device 7 is disposed at a connection portion of the second pipe joint 3 and a stove pipe, and the first sealing device 6 and the second sealing device 7 enable the gas valve to have good sealing performance during use, and ensure that gas cannot leak from the gas valve, the harm caused by gas leakage is avoided.

In fig. 1 and 2, the surface of union nut 5 is provided with the external screw thread, the external screw thread of union nut 5 and the internal thread phase-match of gas jar kneck, union nut 5 is connected for dismantling with the gas jar, the internal surface of second coupling 3 is provided with the internal thread, the internal thread of second coupling 3 and the external screw thread phase-match of cooking utensils pipe kneck, second coupling 3 is in the same place with cooking utensils pipe fixed connection.

In fig. 1, 2 and 3, a sealing sleeve ring 601 is arranged inside the first sealing device 6, a sealing gasket 602 is arranged inside the sealing sleeve ring 601, an expansion gasket 603 is arranged in the middle of the first sealing device 6, so that good sealing performance between the movable joint nut 5 and the joint of the gas tank can be ensured, gas leakage of the gas valve in work engineering is avoided, certain potential safety hazards, resource waste and environmental pollution are avoided, the gas valve has a zero leakage effect, first through holes 604 are symmetrically formed in the upper end and the lower end of the first sealing device 6, and threads are arranged on the inner surface of the first through holes 604.

In fig. 1, 2 and 3, a first groove 501 is formed in the position of the union nut 5 corresponding to the first through hole 604, a thread is arranged on the inner surface of the first groove 501, a first bolt 8 is further arranged on the first sealing device 6, the first bolt 8 penetrates through the first through hole 604 and is connected to the first groove 501 in a threaded manner, and the first sealing device 6 can be better fixed on the union nut 5 by the connection manner of the first bolt 8 and the first groove 501 in a threaded manner, so that the first sealing device 6 is tightly attached to the union nut 5, and the first sealing device cannot fall off from the union nut 5.

In fig. 1, 2 and 4, a sealing cushion 701 is arranged inside the second sealing device 7, an expansion gasket 702 is arranged at the middle position of the second sealing device 7, so that good sealing performance between the joint of the second pipe joint 3 and the stove pipe can be ensured, gas leakage of the gas valve in the work engineering can be avoided, certain potential safety hazards, resource waste and environmental pollution are caused, the gas valve has a zero leakage effect, the second through holes 703 are symmetrically formed in the upper end and the lower end of the second sealing device 7, and threads are arranged on the inner surface of the second through holes 703.

In fig. 1, 2 and 4, a second groove 301 is formed in a position of the second pipe joint 3 opposite to the second through hole 703, a thread is formed on an inner surface of the second groove 301, a second bolt 9 is further arranged on the second sealing device 7, the second bolt 9 penetrates through the second through hole 703 and is screwed into the second groove 301, and the second sealing device 7 can be better fixed on the second pipe joint 3 by a connection mode that the second bolt 9 is screwed into the second groove 301, so that the second sealing device 7 is tightly attached to the second pipe joint 3, and the second sealing device cannot fall off from the second pipe joint 3.

In fig. 1, 2 and 3, fixedly connected with hand wheel 10 on the loose joint nut 5, and cup jointed second rubber pad 11 on hand wheel 10, control the rotation of loose joint nut 5 through hand wheel 10 to the realization is to quick installation and the dismantlement of gas valve, and second rubber pad 11 can avoid rotating the in-process simultaneously, causes loose joint nut 5 to install inseparably because of the hand is smooth, causes the gas to reveal away from the gas valve, causes unnecessary potential safety hazard.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high sealed gas valve that prevents revealing, includes disk seat (1), first coupling (2) and second coupling (3), its characterized in that, both ends are provided with inlet end (101) and the end (102) of giving vent to anger respectively about disk seat (1), the first coupling (2) of left side fixedly connected with of inlet end (101), the first rubber pad (4) of left side fixedly connected with of first coupling (2), loose joint nut (5) have been gone up the activity to first coupling (2), the right side fixedly connected with second coupling (3) of the end (102) of giving vent to anger, be provided with first sealing device (6) on loose joint nut (5), the junction of second coupling (3) and cooking utensils pipe is provided with second sealing device (7).

2. The high-sealing leakage-proof gas valve according to claim 1, wherein an external thread is arranged on the outer surface of the union nut (5), the external thread of the union nut (5) is matched with an internal thread at the joint of the gas tank, the union nut (5) is detachably connected with the gas tank, an internal thread is arranged on the inner surface of the second pipe joint (3), the internal thread of the second pipe joint (3) is matched with the external thread at the joint of the stove pipe, and the second pipe joint (3) is fixedly connected with the stove pipe.

3. The high-sealing leakage-proof gas valve according to claim 1, wherein a sealing collar (601) is arranged inside the first sealing device (6), a sealing gasket (602) is arranged inside the sealing collar (601), an expansion gasket (603) is arranged at the middle position of the first sealing device (6), and first through holes (604) are symmetrically formed at the upper end and the lower end of the first sealing device (6).

4. The high-sealing leakage-proof gas valve as claimed in claim 1, wherein the loose joint nut (5) is provided with a first groove (501) at a position corresponding to the first through hole (604), the first sealing device (6) is further provided with a first bolt (8), and the first bolt (8) passes through the first through hole (604) and is in threaded connection with the first groove (501).

5. The high-sealing leakage-proof gas valve as claimed in claim 1, wherein a sealing cushion layer (701) is arranged inside the second sealing device (7), an expansion gasket (702) is arranged at the middle position of the second sealing device (7), and second through holes (703) are symmetrically formed at the upper end and the lower end of the second sealing device (7).

6. A high-sealing leakage-proof gas valve as claimed in claim 5, wherein the second pipe joint (3) is provided with a second groove (301) at a position corresponding to the second through hole (703), the second sealing device (7) is further provided with a second bolt (9), and the second bolt (9) passes through the second through hole (703) and is screwed into the second groove (301).

7. The high-sealing leakage-proof gas valve as claimed in claim 1, wherein a hand wheel (10) is fixedly connected to the union nut (5), and a second rubber gasket (11) is sleeved on the hand wheel (10).