CN218863348U - Multifunctional pipeline gas self-closing valve - Google Patents
Multifunctional pipeline gas self-closing valve Download PDFInfo
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- CN218863348U CN218863348U CN202222649613.0U CN202222649613U CN218863348U CN 218863348 U CN218863348 U CN 218863348U CN 202222649613 U CN202222649613 U CN 202222649613U CN 218863348 U CN218863348 U CN 218863348U
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- cabin body
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- 238000007789 sealing Methods 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims description 3
- 239000002775 capsule Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model relates to a multifunctional pipeline gas self-closing valve, which comprises a cabin body, a diaphragm, a cover body, a valve rod, a spring, a sealing head, a connecting rod and an operating rod; one end of the cabin body is open, a fixing plate is fixedly connected in the cabin body, a through hole is formed in the position, close to the center, of the fixing plate, and an air inlet pipe and an air outlet pipe are fixedly connected to the two sides of the cabin body; the diaphragm is positioned on the upper side of the cabin body, and the center of the diaphragm is fixedly connected with a first magnet; the cover body is positioned on the upper side of the diaphragm, the valve rod penetrates through the through hole, one end of the valve rod is fixedly connected with a second magnet, and the second magnet is used for being adsorbed with the first magnet; the spring is used for enabling the valve rod to be close to one end of the cabin body; one end of the sealing head is positioned in the air inlet pipe and used for sealing the air inlet pipe, and the other end of the sealing head is positioned in the cabin body; the connecting rod is used for moving the sealing head; one end of the operating rod is fixedly connected with the first magnet, and the other end of the operating rod penetrates through the cover body. Realize undervoltage protection and overvoltage protection on the whole to simple structure, assembly simple to operate.
Description
Technical Field
The utility model relates to a gas self-closing valve field, concretely relates to multi-functional pipeline gas self-closing valve.
Background
At present, in household and commercial use of gas, risks such as aging, breakage, rat bite of a gas rubber pipe, looseness, accidental falling, gas stopping and maintenance and the like of a rubber pipe hoop, or damage of a third party exist, a user forgets to close a stove, the stove unexpectedly stalls due to wind blowing and soup overflowing, and the like, so that a gas self-closing valve is provided in the market at present for the problems, and the gas self-closing valve can automatically close the gas according to overpressure or pressure relief.
Therefore, the inventor has invented a gas self-closing valve with an overtemperature cut-off pipeline with the patent application number of CN202021347618.2, which comprises a valve body, wherein a valve cavity is arranged in the valve body, a left connector is arranged at one end of the valve body, and a right end cover is arranged at the other end of the valve body; a second sealing gasket and a first sealing gasket are arranged in one end of the valve body, an automatic valve plate is arranged on the second sealing gasket, a control spring is arranged between the automatic valve plate and the second sealing gasket, a negative pressure valve plate is arranged on the first sealing gasket, and a second spring is arranged between the negative pressure valve plate and the first sealing gasket; a first sealing ring is arranged in the other end of the valve body, a high-pressure valve plate is mounted on the first sealing ring, and a first spring is arranged between the high-pressure valve plate and the first sealing ring; the top of the valve body is provided with a valve cover, the inner top of the valve body is provided with a lifting valve rod, the top of the valve cover is provided with a lifting handle, the upper end of the lifting handle is provided with a lifting cap, the lower end of the lifting handle is connected with the upper end of the lifting valve rod, and the lower end of the lifting valve rod is arranged between the negative pressure valve plate and the high pressure valve plate.
Although the gas self-closing valve with the overtemperature cut-off pipeline can timely cut off the circulation of gas in the overpressure and negative pressure states, the gas self-closing valve has the following defects that the overpressure and negative pressure conditions are met by respectively abutting two oppositely arranged valve plates against a lifting valve rod, so that the structure of the gas self-closing valve is complex, and the assembly and installation during production are very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-functional pipeline gas self-closing valve to the structure of solving gas self-closing valve is complicated, and the very inconvenient problem of erection joint during production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a multifunctional pipeline gas self-closing valve comprises a cabin body, a diaphragm, a cover body, a valve rod, a spring, a sealing head, a connecting rod and an operating rod;
one end of the cabin body is open, a fixed plate is fixedly connected in the cabin body, a through hole is formed in the position, close to the center, of the fixed plate, and an air inlet pipe and an air outlet pipe are fixedly connected to two sides of the cabin body;
the diaphragm is positioned on the upper side of the cabin body, the edge of the diaphragm is fixedly connected with one end of the opening of the cabin body, and the center of the diaphragm is fixedly connected with a first magnet;
the cover body is positioned on the upper side of the diaphragm and fixedly connected with the edge of the diaphragm;
the valve rod is positioned in the cabin body and penetrates through the through hole, and a second magnet is fixedly connected to one end of the valve rod and is used for being adsorbed to the first magnet;
the spring is sleeved on the valve rod, one end of the spring tightly supports the valve rod, the other end of the spring tightly supports the fixing plate, and the spring is used for enabling the valve rod to be close to one end of the cabin body;
one end of the sealing head is positioned in the air inlet pipe and used for sealing the air inlet pipe, and the other end of the sealing head is positioned in the cabin body;
one end of the connecting rod is hinged with the valve rod, and the other end of the connecting rod is hinged with the sealing head; one end of the operating rod is fixedly connected with the first magnet, and the other end of the operating rod penetrates through the cover body.
Furthermore, an operating panel is fixedly connected to one end, far away from the first magnet, of the operating rod.
Further, the edge positions of the cabin and the cover clamp the edge position of the membrane.
Further, one end of the sealing head, which is positioned in the air inlet pipe, slides with the air inlet pipe.
Furthermore, the diaphragm is made of rubber.
Furthermore, the central line position of the lower end of the cabin body is convex towards the direction far away from the cabin body.
Furthermore, the operating rod is marked with scale marks.
The utility model has the advantages that:
the diaphragm can drive the valve rod to move, under the condition of non-ventilation or under-pressure and under the action of the spring, the valve rod is contacted with the bottom end of the cabin body, the connecting rod is in an inclined state, the sealing head seals the air inlet pipe, certain pressure is kept between the cabin body and the diaphragm during normal ventilation, the diaphragm drives the valve rod to overcome the elasticity of the spring to move upwards, and under the action of the connecting rod, the sealing head does not seal the air inlet pipe any more; when the gas pipeline is in an overpressure state, the pressure between the cabin body and the diaphragm is too high, the first magnet and the second magnet on the diaphragm are not adsorbed any more, the valve rod is close to the bottom of the cabin body again under the action of the spring, and the sealing head seals the gas inlet pipe again. Realize undervoltage protection and overvoltage protection on the whole to simple structure, assembly simple to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of a multifunctional pipeline gas self-closing valve;
FIG. 2 is a schematic view of the structure of a multifunctional pipeline gas self-closing valve;
FIG. 3 is a schematic view of the internal structure of the cabin in the multifunctional pipeline gas self-closing valve;
FIG. 4 is a schematic structural diagram of the upper side of the cabin in the multifunctional pipeline gas self-closing valve.
Names corresponding to the marks in the figure:
1-a cabin body; 11-an air outlet pipe; 12-an air inlet pipe; 13-fixing the plate; 2-a cover body; 3-an operating lever; 4-operating panel; 54-a first magnet; 52-a valve stem; 521-convex edge; 53-a spring; 51-a second magnet; 6-a connecting rod; 7-sealing the head; 8-membrane.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The embodiment of the utility model provides a:
referring to the attached drawings 1-4, a multifunctional pipeline gas self-closing valve comprises a cabin body 1, a diaphragm 8, a cover body 2, a valve rod 52, a spring 53, a sealing head 7, a connecting rod 6 and an operating rod 3; one end of the cabin body 1 is open, a fixing plate 13 is fixedly connected in the cabin body 1, a through hole is formed in the position, close to the center, of the fixing plate 13, and an air inlet pipe 12 and an air outlet pipe 11 are fixedly connected to the two sides of the cabin body 1; the diaphragm 8 is positioned on the upper side of the capsule body 1, the edge of the diaphragm 8 is fixedly connected with one end of the opening of the capsule body 1, and the central position of the diaphragm 8 is fixedly connected with a first magnet 54; the cover body 2 is positioned on the upper side of the diaphragm 8, and the cover body 2 is fixedly connected with the edge of the diaphragm 8; the valve rod 52 is positioned in the cabin body 1, the valve rod 52 penetrates through the through hole, one end of the valve rod 52 is fixedly connected with a second magnet 51, and the second magnet 51 is used for being adsorbed with the first magnet 54; the spring 53 is sleeved on the valve rod 52, one end of the spring 53 tightly props against the valve rod 52, the other end of the spring 53 tightly props against the fixing plate 13, and the spring 53 is used for enabling the valve rod 52 to be close to one end of the cabin body 1; one end of the sealing head 7 is positioned in the air inlet pipe 12 and is used for sealing the air inlet pipe 12, and the other end of the sealing head 7 is positioned in the cabin body 1; one end of the connecting rod 6 is hinged with the valve rod 52, and the other end of the connecting rod 6 is hinged with the sealing head 7; one end of the operation rod 3 is fixedly connected to the first magnet 54, and the other end of the operation rod 3 passes through the lid body 2.
The valve rod 52 can be driven to move by the diaphragm 8, under the condition of non-ventilation or under-pressure, under the action of the spring 53, the valve rod 52 is contacted with the bottom end of the cabin body 1, the connecting rod 6 is in an inclined state, the air inlet pipe 12 is sealed by the sealing head 7, a certain pressure is kept between the cabin body 1 and the diaphragm 8 during normal ventilation, the diaphragm 8 drives the valve rod 52 to overcome the elasticity of the spring 53 to move upwards, and under the action of the connecting rod 6, the air inlet pipe 12 is not sealed by the sealing head 7 any more; when the gas pipeline is in an overpressure state, the pressure between the cabin body 1 and the diaphragm 8 is too high, the first magnet 54 and the second magnet 51 on the diaphragm 8 are not adsorbed any more, the valve rod 52 is close to the bottom of the cabin body 1 again under the action of the spring 53, and the sealing head 7 seals the gas inlet pipe 12 again. Realize undervoltage protection and overvoltage protection on the whole to simple structure, assembly simple to operate.
An operating panel 4 is fixedly connected to one end of the operating rod 3 away from the first magnet 54. When the operating lever 3 is pushed up or retracted into the lid body 2, it is better operated by the operating panel 4.
Referring to fig. 2-3, the end of the valve stem 52 remote from the diaphragm 8 protrudes outward to form a ledge 521, and one end of the spring 53 abuts against the ledge 521. The intake pipe 12 can be closed in the underpressure state by means of a spring 53.
The edge positions of the capsule body 1 and the cover body 2 clamp the edge position of the diaphragm 8, so that the sealing between the capsule body 1 and the diaphragm 8 is realized, and the leakage is prevented.
The sealing head 7 is arranged at one end in the air inlet pipe 12 and slides with the air inlet pipe 12, when sliding to a position close to the cabin body 1, the sealing head 7 is sealed with the air inlet pipe 12, and when sliding to a position far away from the cabin body 1, the air inlet pipe 12 is opened.
The diaphragm 8 is made of rubber, the diaphragm 8 needs to move in the cabin body 1, and the diaphragm 8 is made of rubber, so that the resistance to be overcome when the diaphragm 8 moves is smaller.
The center line position of the lower end of the cabin body 1 is convex in the direction away from the cabin body 1, so that the movable range of the valve rod 52 is larger.
The operating rod 3 is marked with scale marks. Under-pressure is marked on the scale mark at the end of the operating rod 3 far away from the operating disk 4, overpressure is marked on the scale mark at the end of the operating rod 3 close to the operating disk 4, and normal is marked on the scale mark in the middle of the operating rod 3.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (7)
1. A multifunctional pipeline gas self-closing valve is characterized by comprising a cabin body (1), a diaphragm (8), a cover body (2), a valve rod (52), a spring (53), a sealing head (7), a connecting rod (6) and an operating rod (3);
one end of the cabin body (1) is open, a fixing plate (13) is fixedly connected in the cabin body (1), a through hole is formed in the position, close to the center, of the fixing plate (13), and an air inlet pipe (12) and an air outlet pipe (11) are fixedly connected to the two sides of the cabin body (1);
the diaphragm (8) is positioned on the upper side of the cabin body (1), the edge of the diaphragm (8) is fixedly connected with one end of the opening of the cabin body (1), and the center of the diaphragm (8) is fixedly connected with a first magnet (54);
the cover body (2) is positioned on the upper side of the diaphragm (8), and the cover body (2) is fixedly connected with the edge of the diaphragm (8);
the valve rod (52) is positioned in the cabin body (1), the valve rod (52) penetrates through the through hole, one end of the valve rod (52) is fixedly connected with a second magnet (51), and the second magnet (51) is used for being adsorbed with the first magnet (54);
the spring (53) is sleeved on the valve rod (52), one end of the spring (53) is tightly propped against the valve rod (52), the other end of the spring (53) is tightly propped against the fixing plate (13), and the spring (53) is used for enabling the valve rod (52) to be close to one end of the cabin body (1);
one end of the sealing head (7) is positioned in the air inlet pipe (12) and is used for sealing the air inlet pipe (12), and the other end of the sealing head (7) is positioned in the cabin body (1);
one end of the connecting rod (6) is hinged with the valve rod (52), and the other end of the connecting rod (6) is hinged with the sealing head (7);
one end of the operating rod (3) is fixedly connected with the first magnet (54), and the other end of the operating rod (3) penetrates through the cover body (2).
2. A multifunctional pipeline gas self-closing valve according to claim 1, characterized in that an operating panel (4) is fixedly connected to one end of the operating rod (3) far away from the first magnet (54).
3. A multifunctional pipeline gas self-closing valve according to claim 1, characterized in that the edge positions of the body (1) and the cover (2) clamp the edge position of the diaphragm (8).
4. A multifunctional pipeline gas self-closing valve according to claim 1, characterized in that the end of the sealing head (7) located in the air inlet pipe (12) slides with the air inlet pipe (12).
5. The multifunctional pipeline gas self-closing valve as claimed in claim 1, wherein the membrane (8) is made of rubber.
6. The multifunctional pipeline gas self-closing valve as claimed in claim 1, wherein the centerline position of the lower end of the cabin body (1) is convex in the direction away from the cabin body (1).
7. A multifunctional pipeline gas self-closing valve according to claim 1, characterized in that scale marks are marked on the operating rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222649613.0U CN218863348U (en) | 2022-09-30 | 2022-09-30 | Multifunctional pipeline gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222649613.0U CN218863348U (en) | 2022-09-30 | 2022-09-30 | Multifunctional pipeline gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218863348U true CN218863348U (en) | 2023-04-14 |
Family
ID=87364382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222649613.0U Active CN218863348U (en) | 2022-09-30 | 2022-09-30 | Multifunctional pipeline gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218863348U (en) |
-
2022
- 2022-09-30 CN CN202222649613.0U patent/CN218863348U/en active Active
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