CN220749152U

CN220749152U - Gas pressure reducing valve

Info

Publication number: CN220749152U
Application number: CN202320824016.9U
Authority: CN
Inventors: 张建亮; 常宏宇; 郭永伟; 周文川; 许毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2024-04-09
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a gas pressure reducing valve, which relates to the technical field of pressure reducing valves and comprises a lower valve cover and an upper valve cover arranged on the lower valve cover, wherein the peripheral surface of the lower valve cover is communicated with an air inlet pipe and an air outlet pipe, and a diaphragm is arranged in the lower valve cover; the upper valve cover is inserted with an adjusting rod in a sliding manner, the bottom end of the adjusting rod is fixedly connected with a connecting block, the connecting block is arranged on the diaphragm, and the bottom end of the connecting block is fixedly connected with a piston. According to the gas pressure reducing valve provided by the utility model, the sliding of the adjusting rod is limited by utilizing the locking component, so that the gas flowing in the gas inlet pipe can be blocked, and the gas can not flow out of the pressure reducing valve through the gas outlet pipe, so that when a fire disaster occurs, a worker can close the pressure reducing valve at the first time, the worker can quickly escape conveniently, and the use safety of the pressure reducing valve is improved to a certain extent.

Description

Gas pressure reducing valve

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a gas pressure reducing valve.

Background

The pressure reducing valve is an important gas device which is arranged on the angle valve of the liquefied gas cylinder and is connected with the angle valve and the rubber tube, plays a role in reducing the output pressure and stabilizing the output pressure in the household gas appliance, and has the advantages of simple structure, stable pressure, light weight, convenient adjustment and installation and the like. The device mainly comprises an air inlet, an air outlet, a hand wheel, an upper valve cover, a lower valve cover, an air inlet nozzle, a breathing hole, an upper air chamber, a decompression chamber, a valve pad, a lever, a rubber film, a spring, an adjusting screw plug and the like.

However, when the existing pressure reducing valve is used for adjusting the gas flow rate in the valve body, the rotating handle on the pressure reducing valve is required to be rotated, so that the gas flow rate in the valve body is adjusted, and when a fire disaster is caused by leakage of a gas pipeline, the rotating handle on the pressure reducing valve is required to be rotated, and the pressure reducing valve is required to be completely closed after a plurality of circles of rotation, so that the workload of workers is increased, the adjusting efficiency of the pressure reducing valve by the workers is reduced, and when the fire disaster occurs, the workers are required to spend a certain time to enable the pressure reducing valve to be completely closed, so that the escape time of the workers is delayed, and the safety of the pressure reducing valve in use is reduced to a certain extent.

Disclosure of Invention

The utility model aims to provide a gas pressure reducing valve so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions: the gas pressure reducing valve comprises a lower valve cover and an upper valve cover arranged on the lower valve cover, wherein the peripheral surface of the lower valve cover is communicated with an air inlet pipe and an air outlet pipe, and a diaphragm is arranged in the lower valve cover; an adjusting rod is inserted into the upper valve cover in a sliding manner, the bottom end of the adjusting rod is fixedly connected with a connecting block, the connecting block is arranged on the diaphragm, a first elastic piece is arranged between the connecting block and the upper valve cover, and the bottom end of the connecting block is fixedly connected with a piston; a partition plate is fixedly arranged in the lower valve cover, and a through hole matched with the piston is formed in the partition plate; and a locking component used for limiting the adjusting rod to slide is arranged between the upper valve cover and the adjusting rod.

Further, a baffle is arranged on the adjusting rod in a sliding sleeve mode, the baffle is arranged on the upper valve cover in a sliding mode, the first elastic piece is a spring, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the baffle.

Further, the top end of the adjusting rod is fixedly connected with a handle, and the section of the handle is circular.

Further, the locking assembly comprises a supporting plate fixedly connected to the upper valve cover, a sliding pin is connected to the supporting plate in a threaded mode, and a plurality of through holes matched with the sliding pin are formed in the peripheral surface of the adjusting rod.

Further, a connecting seat is fixedly arranged on the peripheral surface of the air inlet pipe, a rotating rod is rotatably arranged on the connecting seat, a valve is fixedly connected to the bottom end of the rotating rod, a sliding rod is fixedly connected to the top end of the rotating rod, a sliding plate is sleeved on the sliding rod in a sliding manner, and a second elastic piece is arranged between the sliding plate and the sliding rod; two bolts are fixedly connected to the sliding plate, and two groups of slots matched with the two bolts are formed in the connecting seat.

Further, the top fixedly connected with pull rod of slide bar, the second elastic component is the pressure spring, the one end fixed connection of pressure spring is in on the slide, the other end fixed connection is in on the pull rod.

Further, a pressure meter is fixedly arranged on the peripheral surface of the air outlet pipe.

In the technical scheme, the utility model provides the gas pressure reducing valve, which has the following beneficial effects: through adjusting the regulation pole on the upper valve cover for the valve on the diaphragm can be under the effect of first elastic component down carry out vertical slip, thereby make the piston can slide and inject to the through-hole on the division board in, then utilize locking component to carry out the restriction to the slip of regulation pole, thereby play can separate the gas that circulates in the intake pipe, make the gas can't flow out from the relief pressure valve through the outlet duct any longer, thereby when the conflagration breaks out, can make the staff close the relief pressure valve in the first time, not only make things convenient for the staff to flee fast, but also improved the relief pressure valve to a certain extent and used the security.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure shown in FIG. 1A according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a partial structure of FIG. 1 according to an embodiment of the present utility model;

FIG. 4 is a schematic illustration of the front cross-sectional structure of FIG. 1 provided in an embodiment of the present utility model;

fig. 5 is a schematic structural diagram at B in fig. 4 according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a lower valve cover; 2. an upper valve cover; 3. an air inlet pipe; 4. an air outlet pipe; 5. a membrane; 6. a seal ring; 701. an adjusting rod; 702. a handle; 703. a connecting block; 704. a piston; 705. a first elastic member; 706. a partition plate; 707. a through hole; 708. a baffle; 709. a support plate; 710. a slide pin; 711. perforating; 81. a connecting seat; 82. a rotating rod; 83. a valve; 84. a slide bar; 85. a pull rod; 86. a slide plate; 87. a second elastic member; 88. a plug pin; 89. a slot; 9. and (5) a pressure measuring meter.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-5, the gas pressure reducing valve provided by the embodiment of the utility model comprises a lower valve cover 1 and an upper valve cover 2 arranged on the lower valve cover 1, wherein the peripheral surface of the lower valve cover 1 is communicated with an air inlet pipe 3 and an air outlet pipe 4, and a diaphragm 5 is arranged in the lower valve cover 1; an adjusting rod 701 is inserted on the upper valve cover 2 in a sliding manner, the bottom end of the adjusting rod 701 is fixedly connected with a connecting block 703, the connecting block 703 is arranged on the diaphragm 5, a first elastic piece 705 is arranged between the connecting block 703 and the upper valve cover 2, and the bottom end of the connecting block 703 is fixedly connected with a piston 704; a partition plate 706 is fixedly arranged in the lower valve cover 1, and a through hole 707 matched with the piston 704 is formed in the partition plate 706; a locking component for limiting the adjusting rod 701 to slide is arranged between the upper valve cover 2 and the adjusting rod 701; through adjusting the regulation pole 701 on the upper valve gap 2 for the valve 83 on the diaphragm 5 can be under the effect of first elastic component 705 down carry out vertical slip, thereby make piston 704 can slide and inject to the through-hole 707 on the division board 706 in, then utilize locking component to restrict the slip of regulation pole 701, thereby it can separate the gas that circulates in the intake pipe 3 to have played, make the gas can't flow out from the relief pressure valve through outlet duct 4 any more, thereby when the conflagration breaks out, so that can make the staff close the relief pressure valve at the first time, not only make things convenient for the staff to flee fast, but also improved the relief pressure valve to a certain extent and used for the security.

Specifically, a sealing ring 6 is arranged between the lower valve cover 1 and the upper valve cover 2, and the sealing ring 6 is made of rubber; by using the rubber seal ring 6, the sealing performance between the connecting portion of the lower cover 1 and the upper cover 2 can be enhanced.

Specifically, a baffle 708 is sleeved on the adjusting rod 701 in a sliding manner, the baffle 708 is arranged on the upper valve cover 2 in a sliding manner, the first elastic piece 705 is a spring, one end of the spring is fixedly connected to the connecting block 703, and the other end of the spring is fixedly connected to the baffle 708; by using a spring, the piston 704 can be slid down quickly by the spring force, so that the piston 704 can be inserted into the through hole 707 in the partition plate 706 quickly.

Specifically, the top end of the adjusting rod 701 is fixedly connected with a handle 702, and the section of the handle 702 is circular; by using the handle 702, the adjusting rod 701 can be conveniently pulled to vertically slide, so that the height of the piston 704 can be adjusted according to the requirement.

Specifically, the locking assembly includes a support plate 709 fixedly connected to the upper valve cover 2, a sliding pin 710 is screwed on the support plate 709, and a plurality of perforations 711 adapted to the sliding pin 710 are formed on the circumferential surface of the adjusting rod 701; by using the sliding pin 710 on the support plate 709, after the piston 704 moves to a desired position under the driving of adjustment, the sliding pin 710 on the support plate 709 is rotated, so that the sliding pin 710 can be inserted into the through hole 711 at a corresponding position on the adjustment rod 701, thereby playing a role of limiting the sliding of the adjustment rod 701.

Specifically, a connecting seat 81 is fixedly installed on the peripheral surface of the air inlet pipe 3, a rotating rod 82 is rotatably arranged on the connecting seat 81, a valve 83 is fixedly connected to the bottom end of the rotating rod 82, a sliding rod 84 is fixedly connected to the top end of the rotating rod 82, a sliding plate 86 is sleeved on the sliding rod 84 in a sliding manner, and a second elastic piece 87 is arranged between the sliding plate 86 and the sliding rod 84; the slide plate 86 is fixedly connected with two bolts 88, and the connecting seat 81 is provided with two groups of slots 89 matched with the two bolts 88; when the pressure reducing valve needs to be closed, the valve 83 can rotate under the action of the rotating rod 82 by rotating the rotating rod 82 on the connecting seat 81, so that the valve 83 can block circulating fuel gas in the air inlet pipe 3, at the moment, two bolts 88 on the sliding plate 86 can be inserted into the slots 89 on the connecting seat 81 under the action of the second elastic piece 87 by utilizing the sliding plate 86 on the sliding plate 84, thereby limiting the rotation of the valve 83, and further improving the closing effect of the pressure reducing valve by blocking the fuel gas, so that the leakage of the fuel gas can be reduced to the greatest extent.

Specifically, the top end of the sliding rod 84 is fixedly connected with a pull rod 85, the second elastic piece 87 is a pressure spring, one end of the pressure spring is fixedly connected to the sliding plate 86, and the other end of the pressure spring is fixedly connected to the pull rod 85; by using the compression spring, the two pins 88 on the slide plate 86 can be quickly moved toward the connecting seat 81 under the action of the spring force of the compression spring.

Specifically, a pressure meter 9 is fixedly arranged on the peripheral surface of the air outlet pipe 4; by using the pressure gauge 9, the pressure of the fuel gas in the pressure reducing valve can be monitored.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The gas pressure reducing valve comprises a lower valve cover (1) and an upper valve cover (2) arranged on the lower valve cover (1), and is characterized in that an air inlet pipe (3) and an air outlet pipe (4) are communicated with the peripheral surface of the lower valve cover (1), and a diaphragm (5) is arranged in the lower valve cover (1);

an adjusting rod (701) is inserted on the upper valve cover (2) in a sliding manner, the bottom end of the adjusting rod (701) is fixedly connected with a connecting block (703), the connecting block (703) is arranged on the membrane (5), a first elastic piece (705) is arranged between the connecting block (703) and the upper valve cover (2), and the bottom end of the connecting block (703) is fixedly connected with a piston (704);

a partition plate (706) is fixedly arranged in the lower valve cover (1), and a through hole (707) matched with the piston (704) is formed in the partition plate (706);

a locking component used for limiting the adjusting rod (701) to slide is arranged between the upper valve cover (2) and the adjusting rod (701).

2. The gas pressure reducing valve according to claim 1, wherein a baffle (708) is sleeved on the adjusting rod (701) in a sliding manner, the baffle (708) is slidably arranged on the upper valve cover (2), the first elastic piece (705) is a spring, one end of the spring is fixedly connected to the connecting block (703), and the other end of the spring is fixedly connected to the baffle (708).

3. The gas pressure reducing valve according to claim 2, wherein a handle (702) is fixedly connected to the top end of the adjusting rod (701), and the cross section of the handle (702) is circular.

4. A gas pressure reducing valve according to claim 3, wherein the locking assembly comprises a support plate (709) fixedly connected to the upper valve cover (2), a sliding pin (710) is connected to the support plate (709) in a threaded manner, and a plurality of through holes (711) matched with the sliding pin (710) are formed in the peripheral surface of the adjusting rod (701).

5. The gas pressure reducing valve according to claim 1, wherein a connecting seat (81) is fixedly installed on the peripheral surface of the gas inlet pipe (3), a rotating rod (82) is rotatably arranged on the connecting seat (81), a valve (83) is fixedly connected to the bottom end of the rotating rod (82), a sliding rod (84) is fixedly connected to the top end of the rotating rod (82), a sliding plate (86) is sleeved on the sliding rod (84) in a sliding manner, and a second elastic piece (87) is arranged between the sliding plate (86) and the sliding rod (84);

two bolts (88) are fixedly connected to the sliding plate (86), and two groups of slots (89) matched with the two bolts (88) are formed in the connecting seat (81).

6. The gas pressure reducing valve according to claim 5, wherein a pull rod (85) is fixedly connected to the top end of the slide rod (84), the second elastic member (87) is a compression spring, one end of the compression spring is fixedly connected to the slide plate (86), and the other end of the compression spring is fixedly connected to the pull rod (85).

7. A gas pressure reducing valve according to claim 1, wherein a pressure meter (9) is fixedly mounted on the peripheral surface of the gas outlet pipe (4).