CN213064823U

CN213064823U - Safety cut-off valve for gas pressure regulator

Info

Publication number: CN213064823U
Application number: CN202021969274.9U
Authority: CN
Inventors: 金国平; 戴利强; 王磊
Original assignee: Jiangsu Coshin Gas Equipment Co ltd
Current assignee: Jiangsu Coshin Gas Equipment Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-27
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a safe type trip valve for gas pressure regulator, including the valve body, valve body both ends are provided with the flange, the inside valve clack that is provided with of valve body, valve clack central point puts and is provided with complex case with it, the case top is connected with the valve plate, the valve plate top is connected with the valve rod, be provided with the baffle between valve plate and the valve body top, the part cover that the valve rod is located between valve plate and the baffle is equipped with the spring, the valve rod runs through baffle and valve body top and is connected with T type piece, valve body one side top is connected with the connecting box, the inside elevating system that is provided with of connecting box, one side that the valve body was kept. Has the advantages that: through setting up elevating system, spring and electromechanical box, can carry out real-time and quick opening and cutting off to the shut-off valve, and then improve the security.

Description

Safety cut-off valve for gas pressure regulator

Technical Field

The utility model relates to a trip valve equipment technical field particularly, relates to a safe type trip valve for gas pressure regulator.

Background

The safety shut-off valve is connected with a combustible gas leakage monitoring instrument, can be quickly closed or opened when meeting an emergency situation to avoid accidents, when the instrument detects that the combustible gas leaks, the main gas supply valve is automatically and quickly closed, the supply of the fuel gas is cut off, the occurrence of malignant accidents is timely prevented, and the instrument is connected with a limit temperature (pressure) safety controller of the thermal equipment, when the temperature (pressure) of a detection point in the device exceeds a set limit value, the air supply valve is automatically and quickly closed, the supply of fuel is stopped, the device is connected with a central fire-fighting alarm system of a high-rise building, when fire occurs in the building, the gas supply in the building is automatically cut off to prevent the occurrence of gas explosion, the ZCR gas emergency cut-off valve is arranged in a gas supply pipe network of a city or a factory, can be controlled in a central control room in a centralized way, and can remotely control the pipeline gas supply of an emergency shutdown accident site in a remote way.

For the safety shut-off valve for the gas pressure regulator, the prior manual shut-off valve is mostly used, and when the pressure in a pipeline is too high, manual closing is needed, so that the operation is not timely enough and danger is caused; and some automatically controlled trip valves, the part of connecting the electricity is in the trip valve is inside, can take place to contact with the gas, and when gas concentration was too high, the electrical control equipment control just has certain danger.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a safe type trip valve for gas pressure regulator possesses the quick cut-off and ventilates, and stable safe advantage, and then solves the trip valve operation complicacy, inefficiency and dangerous problem.

(II) technical scheme

For realizing above-mentioned quick cut-off ventilate, stabilize safe advantage, the utility model discloses a specific technical scheme as follows:

the utility model provides a safe type trip valve for gas pressure regulator, includes the valve body, valve body both ends are provided with the flange, the inside valve clack that is provided with of valve body, valve clack central point puts and is provided with complex case with it, the case top is connected with the valve plate, the valve plate top is connected with the valve rod, the valve plate with be provided with the baffle between the valve body top, the valve rod is located the valve plate with part cover between the baffle is equipped with the spring, the valve rod runs through the baffle reaches valve body top is connected with T type piece, valve body one side top is connected with the connecting box, the inside elevating system that is provided with of connecting box, keep away from bottom the connecting box one side of valve body sets up organic electronic box.

Furthermore, in order to enable the valve rod to be driven by the connecting block to lift in the vertical direction, and further to compress and release the valve clack, namely to cut off and communicate the cut-off valve, the lifting mechanism comprises a connecting block arranged at the top of the T-shaped block, a T-shaped groove matched with the T-shaped block is arranged at the bottom of the connecting block, the top of the connecting block is movably connected with one end of a first connecting rod, the first connecting rod penetrates through the outer side wall of the connecting box, the middle position of the first connecting rod is fixed at the top of one side of the connecting box close to the valve body, the other end of the first connecting rod is movably connected with the top end of a second connecting rod, the bottom end of the second connecting rod is movably connected with the middle position of a third connecting rod, and one end of the third connecting rod close to the first connecting rod is movably connected with the top, the other end of the third connecting rod is fixed at the bottom of one side of the valve body, which is far away from the connecting box, an arc-shaped chute matched with the movable electromagnetic block is formed in the inner side wall of the connecting box, and an electromagnet is arranged below the arc-shaped chute and at the bottom of the connecting box.

Furthermore, in order to enable the movable electromagnetic block to slide downwards, the horizontal direction is close to the valve body, so that the valve rod is driven to rise, the circle center of the arc-shaped sliding groove is far away from the valve body, and the bottom end opening of the arc-shaped sliding groove is located on one side, close to the valve body, of the connecting box.

Further, in order to enable the movable electromagnetic block and the electromagnet to be electrified and have magnetism, and further enable the movable electromagnetic block and the electromagnet to attract each other, and enable the valve rod to keep a lifting state, the movable electromagnetic block and the electromagnet are electrically connected with the electromechanical box through conducting wires.

Further, in order to increase the sealing performance between the valve clack and the valve plate and improve the safety of the whole cut-off valve, the bottom end of the valve plate is located on the outer side of the circumference of the valve core, and a sealing ring is arranged on the outer side of the circumference of the valve core.

Further, in order to increase the sealing performance between the valve body and the outside and further improve the safety of the whole cut-off valve, the valve rod is positioned between the baffle and the top of the valve body, and a sealing element is sleeved on the valve rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a safe type trip valve for gas pressure regulator possesses following beneficial effect:

(1) through setting up elevating system, spring and electromechanical box, can carry out real-time and quick opening and cutting off to the shut-off valve, and then improve the security greatly.

(2) Through setting up sealing washer and sealing member, can be bigger degree prevent that the gas from leaking outward, and then avoid with electrical control equipment and personnel's contact, further increase the security.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a safety cut-off valve front mechanism for a gas pressure regulator according to an embodiment of the present invention;

fig. 2 is a schematic side view of a safety cut-off valve for a gas pressure regulator according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a lifting mechanism in a safety shut-off valve for a gas pressure regulator according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the figure:

1. a valve body; 2. a flange; 3. a valve flap; 4. a valve core; 5. a valve plate; 6. a valve stem; 7. a baffle plate; 8. a spring; 9. a T-shaped block; 10. a connection box; 11. a lifting mechanism; 1101. connecting blocks; 1102. a T-shaped groove; 1103. a first connecting rod; 1104. a second connecting rod; 1105. a third connecting rod; 1106. moving the electromagnetic block; 1107. an arc-shaped chute; 1108. an electromagnet; 12. an electromechanical housing; 13. a wire; 14. a seal ring; 15. and a seal.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a safe type trip valve for gas pressure regulator.

Referring to the drawings and the detailed description, the safety cut-off valve for a gas pressure regulator according to the embodiment of the present invention comprises a valve body 1, flanges 2 are arranged at two ends of the valve body 1, a valve flap 3 is arranged inside the valve body 1, a valve core 4 matched with the valve flap 3 is arranged at the center of the valve flap 3, a valve plate 5 is connected to the top end of the valve core 4, a valve rod 6 is connected to the top end of the valve plate 5, a baffle 7 is arranged between the valve plate 5 and the top end of the valve body 1, a spring 8 is sleeved on the part of the valve rod 6 between the valve plate 5 and the baffle 7, the valve rod 6 penetrates through the baffle 7 and the top of the valve body 1 to be connected with a T-shaped block 9, a connecting box 10 is connected to the top of one side of the valve body 1, and a lifting mechanism 11 is arranged inside the connecting, an organic electric box 12 is arranged on one side of the bottom of the connecting box 10 far away from the valve body 1.

By means of the technical scheme, the lifting mechanism 11, the spring 8 and the electromechanical box 12 are arranged, so that the cut-off valve can be opened and cut off quickly in real time, and the safety is improved.

In one embodiment, for the above lifting mechanism 11, the lifting mechanism 11 includes a connecting block 1101 disposed at the top of the T-shaped block 9, a T-shaped groove 1102 matched with the T-shaped block 9 is formed at the bottom of the connecting block 1101, the top of the connecting block 1101 is movably connected with one end of a first connecting rod 1103, the first connecting rod 1103 penetrates through the outer side wall of the connecting block 10, the middle position of the first connecting rod 1103 is fixed at the top of the side of the connecting block 10 close to the valve body 1, the other end of the first connecting rod 1103 is movably connected with the top end of a second connecting rod 1104, the bottom end of the second connecting rod 1104 is movably connected with the middle position of a third connecting rod 1105, one end of the third connecting rod 1105 close to the first connecting rod 1103 is movably connected with the top of the movable electromagnetic block 1106, the other end of the third connecting rod 1105 is fixed at the bottom of the side of the connecting block 10 far from, connecting box 10 inside wall seted up with remove electromagnetism piece 1106 matched with arc spout 1107, connecting box 10 bottom just is located arc spout 1107 below is provided with electro-magnet 1108 to make valve rod 6 can realize the lift of vertical direction under the drive of connecting block 1101, and then accomplish compressing tightly and the loose of valve clack 3 and put, accomplish cutting off and link up work of trip valve promptly.

In an embodiment, for the arc chute 1107, the center of the arc chute 1107 is far away from the valve body 1, and the bottom opening of the arc chute 1107 is located at one side of the connection box 10 close to the valve body 1, so that the movable electromagnetic block 1106 can be close to the valve body 1 in the horizontal direction in the downward sliding process, and further the valve rod 6 is driven to lift.

In one embodiment, for the moving electromagnetic block 1106, the moving electromagnetic block 1106 and the electromagnet 1108 are both electrically connected to the electromechanical box 12 through the wire 13, so that the moving electromagnetic block 1106 and the electromagnet 1108 can be energized and have magnetism, and are attracted to each other, so that the valve rod 6 is kept in a raised state.

In one embodiment, for the valve plate 5, a sealing ring 14 is arranged at the bottom end of the valve plate 5 and outside the circumference of the valve core 4, so that the sealing performance between the valve clack 3 and the valve plate 5 is increased, and the safety of the whole cut-off valve is improved.

In one embodiment, as for the valve rod 6, a sealing element 15 is sleeved on the valve rod 6 between the baffle 7 and the top of the valve body 1, so that the sealing performance of the valve body 1 and the outside is improved, and the safety of the whole cut-off valve is further improved.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

When practical application, operating personnel installs the trip valve in the pipeline of voltage regulator through the flange 2 at 1 both ends of valve body, is connected electromechanical box 12 with the voltage regulator and connects the power for the trip valve begins work. When the power is switched on, the movable electromagnetic block 1106 and the electromagnet 1108 have magnetism, and at the moment, the movable electromagnetic block 1106 and the electromagnet 1108 generate mutually attractive acting forces, so that the movable electromagnetic block 1106 moves obliquely downwards along the arc-shaped chute 1107, the third connecting rod 1105 is driven to rotate clockwise around the intersection point of the third connecting rod 1105 and the connecting box 10 as the circle center, the second connecting rod 1104 is driven to move vertically downwards, the intersected end of the first connecting rod 1103 and the second connecting rod 1104 is driven to move downwards, at the moment, the first connecting rod 1103 moves anticlockwise around the intersection point of the third connecting rod 1103 and the connecting box 10 as the circle center, the connecting block 1101 is driven to move upwards, the horizontal movement in the direction close to the connecting box 10 along the T-shaped groove is driven to move vertically upwards, and the valve plate 5 is lifted and is far. At this time, the shut-off valve is through, and the gas can be transmitted through the shut-off valve. Detect the pipeline internal pressure intensity too high when the voltage regulator, can stop supplying power to the shut-off valve, remove this moment electromagnetism piece 1106 and electro-magnet 1108 and lose magnetism, under spring 8's reset action, the quick downstream of valve plate 5 for in 4 joints of case go into valve clack 3, cooperate sealing washer 14 to accomplish the cut-off of shut-off valve simultaneously sealed, realize cutting off of gas in the passageway, and inside and outside do not have the effect of electric power, avoid producing the friction and then causing danger between gas concentration too high and the electrical equipment.

To sum up, with the aid of the above technical scheme of the utility model, through setting up elevating system 11, spring 8 and electromechanical box 12, can carry out real-time and quick opening and cutting off to the shut-off valve to improve the security. Through setting up sealing washer 14 and sealing member 15, can be bigger prevent that the gas from leaking outward, and then avoid with electrical control equipment and personnel's contact, further increase the security.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The safety cut-off valve for the gas pressure regulator is characterized by comprising a valve body (1), flanges (2) are arranged at two ends of the valve body (1), a valve clack (3) is arranged inside the valve body (1), a valve core (4) matched with the valve clack (3) is arranged at the center of the valve clack (3), a valve plate (5) is connected to the top end of the valve core (4), a valve rod (6) is connected to the top end of the valve plate (5), a baffle plate (7) is arranged between the valve plate (5) and the top end of the valve body (1), a spring (8) is sleeved on the part, located between the valve plate (5) and the baffle plate (7), of the valve rod (6) penetrates through the baffle plate (7) and the top of the valve body (1) is connected with a T-shaped block (9), a connecting box (10) is connected to the top of, the valve is characterized in that a lifting mechanism (11) is arranged in the connecting box, and an organic electric box (12) is arranged on one side, far away from the valve body (1), of the bottom of the connecting box (10).

2. The safety shut-off valve for the gas pressure regulator according to claim 1, wherein the lifting mechanism (11) comprises a connecting block (1101) disposed at the top of the T-shaped block (9), a T-shaped groove (1102) matched with the T-shaped block (9) is formed at the bottom of the connecting block (1101), the top of the connecting block (1101) is movably connected with one end of a first connecting rod (1103), the first connecting rod (1103) penetrates through the outer side wall of the connecting box (10), the middle position of the first connecting rod (1103) is fixed at the top of one side of the connecting box (10) close to the valve body (1), the other end of the first connecting rod (1103) is movably connected with the top end of a second connecting rod (1104), the bottom end of the second connecting rod (1104) is movably connected with the middle position of a third connecting rod (1105), one end of the third connecting rod (1105) close to the first connecting rod (1103) is movably connected with a movable electromagnetic block (1106) Top swing joint, third connecting rod (1105) other end is fixed connecting box (10) are kept away from one side bottom of valve body (1), connecting box (10) inside wall seted up with remove electromagnetism piece (1106) matched with arc spout (1107), connecting box (10) bottom just is located arc spout (1107) below is provided with electro-magnet (1108).

3. The safety cut-off valve for the gas pressure regulator according to claim 2, characterized in that the center of the arc chute (1107) is far away from the valve body (1), and the bottom opening of the arc chute (1107) is located on one side of the connecting box (10) close to the valve body (1).

4. The safety shut-off valve for gas pressure regulators according to claim 2, characterized in that both the moving electromagnet block (1106) and the electromagnet (1108) are electrically connected to the electromechanical box (12) by means of a conductor (13).

5. The safety shut-off valve for a gas pressure regulator according to claim 1, characterized in that a sealing ring (14) is arranged at the bottom end of the valve plate (5) and outside the circumference of the valve core (4).

6. The safety shut-off valve for a gas pressure regulator according to claim 1, characterized in that a sealing member (15) is sleeved on the valve rod (6) between the baffle (7) and the top of the valve body (1).