CN110260008B - Gas regulating valve - Google Patents
Gas regulating valve Download PDFInfo
- Publication number
- CN110260008B CN110260008B CN201910529931.3A CN201910529931A CN110260008B CN 110260008 B CN110260008 B CN 110260008B CN 201910529931 A CN201910529931 A CN 201910529931A CN 110260008 B CN110260008 B CN 110260008B
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- Prior art keywords
- valve body
- valve
- nozzle
- pull rod
- lever
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a gas regulating valve which comprises a valve body, wherein a valve cover is fixedly installed at the top of the valve body, a spring cover is fixedly installed at the top of an inner cavity of the valve cover, a regulating spring is fixedly installed at the bottom of the spring cover, a pull rod is fixedly installed at the bottom of the regulating spring, and diaphragm devices are arranged on two sides of the upper end of the pull rod. According to the invention, through the arrangement of the horizontal fine adjustment nut and the horizontal fine adjustment rod, the pull rod can be driven to move along the lever, so that the size of the sealing specific pressure value between the sealing surface of the sealing flap and the sealing surface of the nozzle is adjusted, and the flow of a medium entering the outlet cavity of the valve body is accurately controlled; due to the arrangement of the draw hook, the elastic device and the barb, when a fire disaster happens and the sealing flap is burnt, the head of the lever can continuously move downwards, the draw hook is connected with the barb, the top surface of the inverted groove and the sealing surface of the nozzle keep sealing again, the medium in the inlet cavity is prevented from leaking to the outlet cavity, and the fire disaster prevention device has the advantage of preventing the medium from leaking after the fire disaster.
Description
Technical Field
The invention relates to the technical field of gas accessories, in particular to a gas regulating valve.
Background
The gas valve is a novel safety matching device for gas pipeline engineering, is used for cutting, connecting and adjusting gas in pipelines, has good control characteristic and closing sealing performance, is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas, oxygen and the like, has wide application, various types and more classification methods, can be divided into two categories, and is a first-type automatic valve: valves that act on their own by virtue of the gas's own capacity, such as check valves, regulating valves, pressure reducing valves, etc., the second type drives the valve: the traditional gas electromagnetic valve structure mainly controls the gas inlet by looking at whether the burner is used or not, a control valve body is provided with a joint for connecting with a gas valve body, a valve plug covers a valve hole in a pipeline when the burner is not used so that the gas can not enter the burner to ensure safety, and when the burner is used, an element arranged in the control valve drives the valve plug to act so as to separate the valve plug from the valve hole, so that the gas can enter the burner to supply the burner with fuel requirements, the gas regulating valve used in the prior life can regulate the flow of the oral cavity when in use, but once the sealing flap is burnt out in case of fire, the medium of the inlet cavity can leak to the outlet cavity, thereby causing greater fire, increasing the potential safety hazard.
Disclosure of Invention
The invention aims to provide a gas regulating valve which has the advantages of preventing a medium in an inlet cavity from leaking to an outlet cavity and preventing the medium from leaking after a fire disaster, and solves the problems that once a sealing flap is burnt, the medium in the inlet cavity leaks to the outlet cavity, a larger fire disaster is caused, and potential safety hazards are increased.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gas regulating valve, includes the valve body, the top fixed mounting of valve body has the valve gap, valve gap inner chamber's top fixed mounting has the spring cap, the bottom fixed mounting of spring cap has adjusting spring, the pull rod is installed to adjusting spring's bottom, the both sides of pull rod upper end all are provided with the diaphragm device, the left bottom of valve body is provided with out the connection mouth, the inside of pull rod lower extreme runs through and is provided with the lever, the right side of valve body inner chamber is provided with the nozzle, the nozzle is located the below of lever right-hand member.
Preferably, the inside fixed mounting of lever right-hand member has the drag hook, the top fixed mounting on nozzle right side has the barb, the drag hook uses with the barb cooperation, the right side fixed mounting of drag hook has resilient means, the right side of lever bottom and the position fixed mounting who contacts with the nozzle have the sealing flap, the diameter of sealing flap is greater than the diameter of nozzle.
Preferably, the top fixed mounting on valve body right side has coupling nut, it has sealed the pad to fill between coupling nut and the valve body, the top joint of valve gap has the shield.
Preferably, a horizontal fine adjustment rod is movably inserted into the interior of one end of the pull rod, a positioning block is movably mounted at the left end of the horizontal fine adjustment rod and fixed to one side of the wall of the valve body, and a horizontal fine adjustment nut is fixedly mounted on the left side of the positioning block.
Preferably, a support is movably mounted on the surface of one end of the lever, and the bottom of the support and the bottom of the inner cavity of the valve body are fixedly mounted.
Preferably, the diaphragm device comprises a diaphragm, a fixing plate and a groove block, the fixing plate is fixedly arranged on the upper portion of the diaphragm, the groove block is arranged on the lower portion of the diaphragm, and a convex block extending into the groove block is fixedly arranged at the upper end of the pull rod.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the diaphragm device, the lever and the adjusting spring, the pressure of the medium in the oral cavity of the valve body can be adjusted, and the adjustable valve has the advantages of adjustable output pressure and flow; the arrangement of the horizontal fine-tuning nut and the horizontal fine-tuning rod can drive the pull rod to move along the lever, so that the size of a sealing specific pressure value between a sealing surface of the sealing flap and a sealing surface of the nozzle is adjusted, and the flow of a medium entering an outlet cavity of the valve body is accurately controlled; due to the arrangement of the draw hook, the elastic device and the barb, when a fire disaster happens and the sealing flap is burnt, the head of the lever can continuously move downwards, the draw hook is connected with the barb, the top surface of the inverted groove and the sealing surface of the nozzle keep sealing again, the medium in the inlet cavity is prevented from leaking to the outlet cavity, and the fire disaster prevention device has the advantage of preventing the medium from leaking after the fire disaster.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partial enlarged view of the invention at a in fig. 1.
In the figure: the device comprises a valve body 1, a valve cover 2, a spring cover 3, an adjusting spring 4, a diaphragm device 5, a pull rod 6, a connecting nozzle 7, a lever 8, a nozzle 9, a drag hook 10, a barb 11, an elastic device 12, a sealing flap 13, a connecting nut 14, a dust cover 15, a horizontal fine adjusting nut 16, a horizontal fine adjusting rod 17 and a support 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a gas regulating valve comprises a valve body 1, a connecting nut 14 is fixedly installed at the top of the right side of the valve body 1, a sealing gasket is filled between the connecting nut 14 and the valve body 1, a dust cover 15 is clamped at the top of the valve cover 2, a valve cover 2 is fixedly installed at the top of the valve body 1, a spring cover 3 is fixedly installed at the top of an inner cavity of the valve cover 2, an adjusting spring 4 is fixedly installed at the bottom of the spring cover 3, a pull rod 6 is installed at the bottom of the adjusting spring 4, a horizontal fine adjusting rod 17 is movably inserted in the inner part of one end of the pull rod 6, a positioning block is movably installed at the left end of the horizontal fine adjusting rod 17 and fixed at one side of the wall part of the valve body 1, a horizontal fine adjusting nut 16 is fixedly installed at the left side of the positioning block, diaphragm devices 5 are respectively, the groove block is arranged at the lower part of the diaphragm, a convex block extending into the groove block is fixedly arranged at the upper end of the pull rod 6, a connecting nozzle 7 is arranged at the bottom of the left side of the valve body 1, a lever 8 is arranged inside the lower end of the pull rod 6 in a penetrating manner, a support 18 is movably arranged on the surface of one end of the lever 8, a lever type structure is formed between the lever 8 and the support 18, the bottom of the support 18 and the bottom of the inner cavity of the valve body 1 are fixedly arranged, a drag hook 10 is fixedly arranged inside the right end of the lever 8, a barb 11 is fixedly arranged at the top of the right side of the nozzle 9, the drag hook 10 is matched with the barb 11 for use, an elastic device 12 is fixedly arranged at the right side of the drag hook 10, a sealing flap 13 is fixedly arranged at the right side of the bottom of the lever 8 and in contact with the nozzle 9, the diameter of the, The lever 8 and the adjusting spring 4 are arranged, so that the medium pressure in the outlet cavity of the valve body 1 can be adjusted, and the valve has the advantages of adjustable output pressure and flow; the arrangement of the horizontal fine-tuning nut 16 and the horizontal fine-tuning rod 17 can drive the pull rod 6 to move along the lever 8, so that the sealing specific pressure value between the sealing surface of the sealing flap 13 and the sealing surface of the nozzle 9 is adjusted, and the flow of a medium entering the outlet cavity of the valve body 1 is accurately controlled; due to the arrangement of the draw hook 10, the elastic device 12 and the barb 11, when the sealing flap 13 is burnt in case of fire, the head of the lever 8 can continuously move downwards, the draw hook 10 is connected with the barb 11, the top surface of the inverted groove and the sealing surface of the nozzle 9 maintain sealing again, the medium in the inlet cavity is prevented from leaking to the outlet cavity, and the device has the advantage of preventing the medium from leaking after the fire.
The standard parts used in the present application document can be purchased from the market, each part in the present application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machines, the parts and the equipment adopt the conventional types in the prior art, the control mode is automatically controlled through a controller, the control circuit of the controller can be realized through simple programming by a person skilled in the art, the present application document belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the present application document does not explain the control mode and the circuit connection in detail, and the detailed description is not given here.
When the pressure regulating valve is used, the medium pressure in the outlet cavity of the valve body 1 can be regulated through the arrangement of the diaphragm device 5, the lever 8 and the regulating spring 4, and the pressure regulating valve has the advantages of adjustable output pressure and flow; the arrangement of the horizontal fine-tuning nut 16 and the horizontal fine-tuning rod 17 can drive the pull rod 6 to move along the lever 8, so that the sealing specific pressure value between the sealing surface of the sealing flap 13 and the sealing surface of the nozzle 9 is adjusted, and the flow of a medium entering the outlet cavity of the valve body 1 is accurately controlled; due to the arrangement of the draw hook 10, the elastic device 12 and the barb 11, when the sealing flap 13 is burnt in case of fire, the head of the lever 8 can continuously move downwards, the draw hook 10 is connected with the barb 11, the top surface of the inverted groove and the sealing surface of the nozzle 9 maintain sealing again, the medium in the inlet cavity is prevented from leaking to the outlet cavity, and the device has the advantage of preventing the medium from leaking after the fire.
In summary, the following steps: this gas governing valve through regulating spring 4, diaphragm device 5, pull rod 6, play connector 7, lever 8, nozzle 9, drag hook 10, barb 11, resilient means 12, sealing lamella 13, horizontal fine setting nut 16 and horizontal fine setting festival rod 17's cooperation, has solved when the conflagration breaing out, in case the sealing lamella is burnt, and the import chamber medium can leak to the export chamber to arouse bigger conflagration, increased the problem of potential safety hazard.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gas governing valve, includes valve body (1), its characterized in that: the valve cover (2) is fixedly mounted at the top of the valve body (1), the spring cover (3) is fixedly mounted at the top of an inner cavity of the valve cover (2), the adjusting spring (4) is fixedly mounted at the bottom of the spring cover (3), the pull rod (6) is mounted at the bottom of the adjusting spring (4), the diaphragm devices (5) are arranged on two sides of the upper end of the pull rod (6), the connecting nozzle (7) is arranged at the bottom of the left side of the valve body (1), the lever (8) is arranged in the lower end of the pull rod (6) in a penetrating mode, the nozzle (9) is arranged on the right side of the inner cavity of the valve body (1), and the nozzle (9) is located below the right end; a draw hook (10) is fixedly installed inside the right end of the lever (8), a barb (11) is fixedly installed at the top of the right side of the nozzle (9), the draw hook (10) is matched with the barb (11) for use, an elastic device (12) is fixedly installed on the right side of the draw hook (10), a sealing flap (13) is fixedly installed on the right side of the bottom of the lever (8) and in contact with the nozzle (9), and the diameter of the sealing flap (13) is larger than that of the nozzle (9); the valve is characterized in that a horizontal fine adjustment rod (17) is movably inserted into the interior of one end of the pull rod (6), a positioning block is movably mounted at the left end of the horizontal fine adjustment rod (17), the positioning block is fixed on one side of the wall of the valve body (1), and a horizontal fine adjustment nut (16) is fixedly mounted on the left side of the positioning block.
2. A gas regulating valve according to claim 1, wherein: the top fixed mounting on valve body (1) right side has coupling nut (14), it fills sealed the pad to fill between coupling nut (14) and valve body (1), the top joint of valve gap (2) has shield (15).
3. A gas regulating valve according to claim 1, wherein: the surface of one end of the lever (8) is movably provided with a support (18), and the bottom of the support (18) is fixedly arranged with the bottom of the inner cavity of the valve body (1).
4. A gas regulating valve according to claim 1, wherein: the diaphragm device (5) comprises a diaphragm, a fixing plate and a groove block, wherein the fixing plate is fixedly arranged on the upper portion of the diaphragm, the groove block is arranged on the lower portion of the diaphragm, and a convex block extending into the groove block is fixedly arranged at the upper end of the pull rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529931.3A CN110260008B (en) | 2019-06-19 | 2019-06-19 | Gas regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529931.3A CN110260008B (en) | 2019-06-19 | 2019-06-19 | Gas regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110260008A CN110260008A (en) | 2019-09-20 |
| CN110260008B true CN110260008B (en) | 2020-12-25 |
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ID=67919255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529931.3A Active CN110260008B (en) | 2019-06-19 | 2019-06-19 | Gas regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110260008B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609162B (en) * | 2020-06-12 | 2021-12-31 | 上海沪航阀门有限公司 | Pipeline gate valve |
| CN111734955B (en) * | 2020-07-04 | 2022-01-04 | 南京天人环保设备有限公司 | Methane bidirectional pressure safety protector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056424A (en) * | 1960-10-26 | 1962-10-02 | Weatherhead Co | Fluid pressure regulator valve |
| CN202418784U (en) * | 2012-02-14 | 2012-09-05 | 罗达莱克斯阀门(上海)有限公司 | Liquefied petroleum gas pressure regulator |
| CN206246767U (en) * | 2016-12-13 | 2017-06-13 | 宁波万安股份有限公司 | Gas pressure regulator, governor |
| CN208153802U (en) * | 2018-04-12 | 2018-11-27 | 广州格优智能控制系统有限公司 | A kind of gas pressure regulator |
-
2019
- 2019-06-19 CN CN201910529931.3A patent/CN110260008B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3056424A (en) * | 1960-10-26 | 1962-10-02 | Weatherhead Co | Fluid pressure regulator valve |
| CN202418784U (en) * | 2012-02-14 | 2012-09-05 | 罗达莱克斯阀门(上海)有限公司 | Liquefied petroleum gas pressure regulator |
| CN206246767U (en) * | 2016-12-13 | 2017-06-13 | 宁波万安股份有限公司 | Gas pressure regulator, governor |
| CN208153802U (en) * | 2018-04-12 | 2018-11-27 | 广州格优智能控制系统有限公司 | A kind of gas pressure regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110260008A (en) | 2019-09-20 |
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Effective date of registration: 20201201 Address after: 325105 No. 63, Codaocun Codao North Road, Oubei Street, Yongjia County, Wenzhou City, Zhejiang Province Applicant after: Yongjia Qida Intellectual Property Consulting Co.,Ltd. Address before: 325500 Beishan, Subei Village, Luoyang Town, Taishun County, Wenzhou City, Zhejiang Province Applicant before: Lan Jingjing |
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Effective date of registration: 20230113 Address after: 315600 No.128, Jiangyao, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province Patentee after: NINGBO WANBAO ELECTRIC Co.,Ltd. Address before: No.63, Maidao North Road, Maidao village, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: Yongjia Qida Intellectual Property Consulting Co.,Ltd. |