CN212718238U

CN212718238U - Modular self-closing valve

Info

Publication number: CN212718238U
Application number: CN202021492032.5U
Authority: CN
Inventors: 曾广天; 曾鹏
Original assignee: Hainan Widely Tianheng Technology Development Co ltd
Current assignee: Hainan Widely Tianheng Technology Development Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-16
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a modularized self-closing valve, which comprises an upper shell, a pull-up component, a pressure regulating component, an air inlet pipe, an air outlet pipe and a lower shell, wherein the pressure component comprises an arc-shaped plate, a baffle plate, a lever, a spring, a push plate, a closing piece, a limiting plate and a T-shaped magnetic piece, the lower shell, the air inlet pipe and the air outlet pipe are integrated into a whole, the production cost can be reduced, the pressure regulating component can be assembled in advance outside and then is arranged inside the lower shell, thereby reducing the assembly difficulty and improving the production efficiency, the arranged baffle can block the excessive movement of the push plate, when the air inflow is too large, the T-shaped magnetic part can be separated from the metal seat at the lower end of the pull-up component because the lever can not rotate upwards continuously, so that the lever rotates downwards under the action of gravity, under the action of the spring, the push plate and the closing member move along the air inlet direction, so that air inlet is closed, and pressure regulation is realized.

Description

Modular self-closing valve

Technical Field

The utility model relates to the technical field of valves, in particular to modularization self-closing valve.

Background

The self-closing valve is a device which is arranged on a low-pressure gas system pipeline, does not need electricity or other external power when the gas supply pressure of the pipeline is under-pressure or overpressure, can be automatically closed and needs to be manually opened, the structure of the existing self-closing valve is basically fixed after leaving a factory, the number of internal components is large, the assembly process is complicated, in addition, the existing self-closing valve basically divides a valve body into a plurality of parts for the convenience of assembly, the production cost is increased, and the replacement is troublesome when some internal components are damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a modularization self-closing valve, in pressure regulating subassembly detachable installed the valve body, can reduction in production cost, reduce the assembly degree of difficulty simultaneously, when pressure regulating subassembly takes place to damage, can whole replacement, convenient maintenance.

The technical scheme of the utility model is realized like this:

a modular self-closing valve comprises an upper shell, a pull-up component, a pressure regulating component, an air inlet pipe, an air outlet pipe and a lower shell which are integrally formed, wherein the upper shell is detachably connected with the lower shell, a diaphragm is arranged at the joint, and the pull-up component extends into the upper shell and is positioned above the diaphragm; the pressure regulating assembly comprises an arc-shaped plate, a baffle, a lever, a spring, a push plate, a closing member, a limiting plate and a T-shaped magnetic part, wherein the baffle, the spring, the push plate and the limiting plate are sequentially arranged in the arc-shaped plate along the air inlet direction; an installation position is formed between the limiting plates, the T-shaped magnetic part extends into the installation position, a hole groove is formed in the lower end of the T-shaped magnetic part, the lever is located in the middle of the limiting plates, one end of the lever penetrates through the hole groove, and the other end of the lever is provided with a hinged end hinged with the limiting plates and a pushing end contacted with the baffle; the lower end of the pull-up component is provided with a metal seat, and the top of the T-shaped magnetic part is provided with a magnet which is magnetically attracted with the metal seat; the limiting plate is detachably connected with the lower shell.

Preferably, the pressure regulating assembly further comprises a bolt, wherein the bolt penetrates into the limiting plate from one side of the arc-shaped plate and penetrates out from the other side of the arc-shaped plate after penetrating through the hinged end.

Preferably, the pressure regulating assembly further comprises a sealing rubber ring, and the sealing rubber ring is sleeved on the closing member at the air inlet gap.

Preferably, the limiting plate upper end extends to the arc outside and has the fixed plate, be provided with the fixed orifices on the fixed plate, the inferior valve is provided with the fixed column that is used for passing the fixed orifices, the fixed column is provided with the screw hole.

Preferably, the diameter of the end of the closure member passing through the through hole is smaller than the diameter of the through hole.

Preferably, the upper pull assembly comprises a pull button and a connecting rod, the pull button is arranged above the upper shell, one end of the connecting rod is connected with the pull button, the other end of the connecting rod stretches into the upper shell, and the metal seat is arranged at one end of the connecting rod, which stretches into the upper shell.

Preferably, the gas outlet pipe further comprises a ball valve, and the ball valve is arranged on the gas outlet pipe.

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

the utility model provides a modularization self-closing valve, with inferior valve and intake pipe and outlet duct integrated into one piece after, can reduction in production cost, and set up and be monolithic at the pressure regulating subassembly, when using, can accomplish earlier in the inferior valve of reloading in the outside equipment, reduce the assembly degree of difficulty, improve assembly efficiency, when the admission pressure increases, the lever can promote the push pedal and remove to the baffle direction, make the air inlet gap increase, can' T continue to remove when the push pedal is blockked by the baffle, if the admission pressure lasts the increase, can lead to the diaphragm constantly to rise, when thrust that the diaphragm receives is greater than T type magnetic part to the magnetic force of metal base, T type magnetic part leaves the metal base, and move down, the closing member is closed the air inlet gap under the elasticity of spring, realize the pressure regulating, prevent that the admission pressure is too big.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a cross-sectional view of a modular self-closing valve of the present invention;

FIG. 2 is a schematic view of a disassembled structure of a modular self-closing valve according to the present invention;

FIG. 3 is a schematic structural diagram of a pressure regulating assembly of the modular self-closing valve of the present invention;

FIG. 4 is an exploded view of the pressure regulating assembly of the modular self-closing valve of the present invention;

in the figure, 1 is an upper shell, 2 is an air inlet pipe, 3 is an air outlet pipe, 4 is a lower shell, 5 is a diaphragm, 6 is an arc-shaped plate, 7 is a baffle, 8 is a lever, 9 is a spring, 10 is a push plate, 11 is a closing member, 12 is a limiting plate, 13 is a T-shaped magnetic part, 14 is a through hole, 16 is an installation position, 17 is a hole groove, 18 is a hinged end, 19 is a pushing end, 20 is a metal seat, 21 is a magnet, 22 is a bolt, 23 is a sealing rubber ring, 24 is a fixing plate, 25 is a fixing hole, 26 is a fixing column, 27 is a threaded hole, 28 is a pull button, 29 is a connecting rod, and 30 is a ball valve.

Detailed Description

In order to better understand the technical content of the present invention, a specific embodiment is provided below, and the present invention is further described with reference to the accompanying drawings.

Referring to fig. 1 to 4, the modular self-closing valve provided by the present invention comprises an upper shell 1, a pull-up assembly, a pressure regulating assembly, an air inlet pipe 2, an air outlet pipe 3 and a lower shell 4 which are integrally formed, wherein the upper shell 1 and the lower shell 4 are detachably connected, a diaphragm 5 is arranged at the joint, and the pull-up assembly extends into the upper shell 1 and is located above the diaphragm 5; the pressure regulating assembly comprises an arc-shaped plate 6, a baffle 7, a lever 8, a spring 9, a push plate 10, a closing member 11, a limiting plate 12 and a T-shaped magnetic member 13, wherein the baffle 7, the spring 9, the push plate 10 and the limiting plate 12 are sequentially arranged in the arc-shaped plate 6 along the air inlet direction, a through hole 14 is formed in the baffle 7, one end of the closing member 11 and the air inlet pipe 2 form an air inlet gap, and the other end of the closing member sequentially penetrates through the through hole 14 and the spring 9 to be connected with the baffle 7; an installation position 16 is formed between the limiting plates 12, the T-shaped magnetic part 13 extends into the installation position 16, the lower end of the T-shaped magnetic part is provided with a hole groove 17, the lever 8 is positioned in the middle of the limiting plates 12, one end of the lever passes through the hole groove 17, and the other end of the lever is provided with a hinge end 18 hinged with the limiting plates 12 and a pushing end 19 contacted with the baffle 7; the lower end of the pull-up component is provided with a metal seat 20, and the top of the T-shaped magnetic part 13 is provided with a magnet 21 magnetically attracted with the metal seat 20; the limiting plate 12 is detachably connected with the lower shell 4.

The utility model discloses a modularization self-closing valve, wherein inferior valve 4 and intake pipe 2 and outlet duct 3 are integrated into one piece, can reduction in production cost, and the pressure regulating subassembly is detachable and packs into 4 insides of inferior valve into, consequently when the pressure regulating subassembly goes wrong and needs maintenance or change, can tear out whole pressure regulating subassembly and maintain or change, can reduce the maintenance degree of difficulty, on the other hand is when carrying out the assembly of whole self-closing valve, can be earlier after the pressure regulating subassembly has been assembled in the outside, pack into inferior valve 4 with the pressure regulating subassembly again, reduce the assembly degree of difficulty, the assembly efficiency is improved.

Specifically, the utility model discloses a limiting plate 12 quantity is two, forms the gap between the limiting plate 12, is provided with circular shape installation position 16 in the middle part position department of two limiting plates 12, supplies T type magnetism piece 13 to insert, and lever 8 then is located between the gap of limiting plate 12 to pass T type magnetism piece 13 and be located the hole groove 17 of 16 inside parts in installation position, the one end that lever 6 passed hole groove 17 is the arc structure, makes things convenient for T type magnetism piece 13 pulling lever 6 to rotate.

When the self-closing valve is in a closed state, the metal seat 20 and the T-shaped magnetic part 13 are magnetically attracted through the diaphragm 5, at the moment, the closing part 11 closes the air inlet gap, when the self-closing valve needs to be opened, the pull-up assembly is pulled upwards, the metal seat 20 drives the T-shaped magnetic part 13 and the diaphragm 5 to move upwards, because one end of the lever 8 penetrates through the hole groove 17 of the T-shaped magnetic part 13, the hinged end 18 at the other end of the lever 8 is hinged with the limiting plate 12, the lever 8 can rotate upwards, in the rotating process, the push end 19 can push the push plate 10 to move towards the baffle 7, the push plate 10 can push the spring 9 and push the closing part 11 to move synchronously, the closing part 11 opens the air inlet gap, and therefore gas can enter the lower shell 4 from the air inlet gap and can be conveyed to an air using device from.

When the air inlet flow of the air inlet pipe 2 exceeds a normal value, more gas in the lower shell 4 pushes the diaphragm 5 to move upwards, in the moving process, the push plate 10 moves towards the baffle 7 at the same time, so that the air inlet flow is increased continuously, the push plate 10 is blocked when moving to the position of the baffle 7, if the air inlet flow is increased continuously, the thrust borne by the diaphragm 5 is increased continuously, when the thrust borne by the diaphragm 5 is greater than the magnetic force of the T-shaped magnetic part 13 on the metal seat 20, the metal seat 20 is separated from the T-shaped magnetic part 13, then the T-shaped magnetic part 13 moves downwards under the action of gravity, so that the lever 8 rotates downwards, the pushing end 19 of the lever 8 moves away from the push plate 10, under the action of the spring 9, the push plate 10 moves towards the limiting plate 12 and drives the closing part 11 to move towards the air inlet direction, so that the air inlet gap is reduced and closed, thereby realizing the pressure regulating function, preventing the intake pressure from being excessive.

Preferably, the pressure regulating assembly further comprises a bolt 22, and the bolt 22 penetrates into the limiting plate 12 from one side of the arc-shaped plate 6 and penetrates out from the other side of the arc-shaped plate 6 after penetrating through the hinged end 18.

The hinge joint of the lever 8 can be realized through the arranged bolt 22, and the lever 8 can rotate by taking the bolt 22 as an axis when being stressed.

Preferably, the pressure regulating assembly further comprises a sealing rubber ring 23, and the sealing rubber ring 23 is sleeved on the closing member 11 at the air inlet gap.

The sealing rubber ring 23 is provided to prevent the leakage of gas from the closing element 11 into the interior of the lower shell 4.

Preferably, a fixing plate 24 extends from the upper end of the limiting plate 12 to the outer side of the arc-shaped plate 6, a fixing hole 25 is formed in the fixing plate 24, a fixing column 26 for penetrating through the fixing hole 25 is arranged on the lower shell 4, and a threaded hole 27 is formed in the fixing column 26.

After the screw passes fixed orifices 25 and enters into fixed column 26 inside and screws, can realize the fixed of adjusting the pressure subassembly, the dismantlement process is also comparatively simple and convenient, can pass through the fix with screw on fixed column 26 with the pressure subassembly after the pressure subassembly has been installed externally, reduces the assembly degree of difficulty.

Preferably, the diameter of the end of the shutter 11 passing through the through hole 14 is smaller than the diameter of the through hole 14.

The closing member 11 is moved along the through hole 14 by the pushing force of the push plate 10 to increase the air inlet gap, and thus, the diameter of one end of the closing member 11 should be smaller than that of the through hole 14.

Preferably, the upper pull assembly comprises a pull button 28 and a connecting rod 29, the pull button 28 is arranged above the upper shell 1, one end of the connecting rod 29 is connected with the pull button 28, the other end of the connecting rod extends into the upper shell 1, and the metal base 20 is arranged at one end of the connecting rod 29 extending into the upper shell 1.

When the self-closing valve is opened, the pull button 28 is pulled to drive the connecting rod 29 to move upwards, and after the connecting rod 29 drives the metal seat 20 to move upwards, the T-shaped magnetic part 13 can be driven to synchronously move downwards, so that the closing part 11 is opened.

Preferably, the gas outlet pipe also comprises a ball valve 30, and the ball valve 30 is arranged on the gas outlet pipe 3.

The closure of the outlet pipe 3 can be achieved by means of a ball valve 30.

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. A modular self-closing valve is characterized by comprising an upper shell, a pull-up component, a pressure regulating component, an air inlet pipe, an air outlet pipe and a lower shell which are integrally formed, wherein the upper shell and the lower shell are detachably connected, a diaphragm is arranged at the joint, and the pull-up component extends into the upper shell and is positioned above the diaphragm; the pressure regulating assembly comprises an arc-shaped plate, a baffle, a lever, a spring, a push plate, a closing member, a limiting plate and a T-shaped magnetic part, wherein the baffle, the spring, the push plate and the limiting plate are sequentially arranged in the arc-shaped plate along the air inlet direction; an installation position is formed between the limiting plates, the T-shaped magnetic part extends into the installation position, a hole groove is formed in the lower end of the T-shaped magnetic part, the lever is located in the middle of the limiting plates, one end of the lever penetrates through the hole groove, and the other end of the lever is provided with a hinged end hinged with the limiting plates and a pushing end contacted with the baffle; the lower end of the pull-up component is provided with a metal seat, and the top of the T-shaped magnetic part is provided with a magnet which is magnetically attracted with the metal seat; the limiting plate is detachably connected with the lower shell.

2. The modular self-closing valve as recited in claim 1, wherein the pressure regulating assembly further comprises a plug, the plug penetrates into the limiting plate from one side of the arc plate and penetrates out from the other side of the arc plate after penetrating through the hinged end.

3. The modular self-closing valve according to claim 1, wherein the pressure regulating assembly further comprises a sealing rubber ring which is sleeved on the closing member at the air inlet gap.

4. The modular self-closing valve according to claim 1, wherein a fixing plate extends from the upper end of the limiting plate to the outer side of the arc-shaped plate, fixing holes are formed in the fixing plate, a fixing column for penetrating through the fixing holes is arranged on the lower shell, and threaded holes are formed in the fixing column.

5. A modular self-closing valve according to claim 1, wherein the diameter of the end of the closing member passing through the through hole is smaller than the diameter of the through hole.

6. A modular self-closing valve according to claim 1, wherein the pull-up assembly comprises a pull button and a connecting rod, the pull button is arranged above the upper housing, the connecting rod is connected with the pull button at one end and extends into the upper housing at the other end, and the metal seat is arranged at the end of the connecting rod extending into the upper housing.

7. The modular self-closing valve according to claim 1, further comprising a ball valve disposed on the outlet pipe.