CN111271493A - Safety relief valve of gas pressure regulator - Google Patents
Safety relief valve of gas pressure regulator Download PDFInfo
- Publication number
- CN111271493A CN111271493A CN202010254162.3A CN202010254162A CN111271493A CN 111271493 A CN111271493 A CN 111271493A CN 202010254162 A CN202010254162 A CN 202010254162A CN 111271493 A CN111271493 A CN 111271493A
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- gas pressure
- pressure regulator
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/06—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for adjusting the opening pressure
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0473—Multiple-way safety valves
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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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a safety relief valve of a gas pressure regulator, which comprises a valve body, wherein an adjusting screw rod is inserted in the center of the top of the valve body in a threaded manner, the bottom of the adjusting screw rod is rotatably connected with a spring gland, a spring is fixedly welded at the middle part of the bottom of the spring gland, the bottom of the spring is fixedly welded with a guide plate, a fixed disc is fixedly welded between the inner walls of the valve body and positioned at the bottom of the guide plate, a valve rod is fixedly welded at the center of the bottom of the guide plate, the bottom of the valve rod penetrates through the fixed disc and extends to the outside of the fixed disc, the gas pressure regulator safety relief valve effectively solves the problems that the existing gas pressure regulator safety relief valve is inconvenient for regulating a pressure set value, complex in structure, high in cost and not beneficial to popularization and use.
Description
Technical Field
The invention relates to the technical field of gas, in particular to a safety relief valve of a gas pressure regulator.
Background
The relief valve is a valve which discharges a certain amount of gas when the pressure of a control point exceeds a set value due to some temporary reason, sometimes the pressure or flow is increased instantly in the operation process of the gas pressure regulating box device, in order to prevent the downstream device from influencing safe use due to pressure increase, the pressure regulating device or the safety relief valve discharges part of gas to reduce the pressure of a pipeline before the downstream pressure is not increased to the pressure regulating device cut-off pressure set value.
However, there are some disadvantages in the conventional using process, such as:
the existing safety relief valve of the gas pressure regulator is inconvenient for regulating a pressure set value, has a complex structure and high cost, and is not beneficial to popularization and use.
Disclosure of Invention
The invention aims to provide a safety relief valve of a gas pressure regulator, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the valve comprises a valve body, the top center department screw thread of valve body is pegged graft and is had adjusting screw, adjusting screw's bottom is rotated and is connected with spring gland, spring gland's bottom department fixed welding placed in the middle has the spring, the fixed welding in bottom of spring has the deflector, the fixed welding in bottom that lies in the deflector between the inner wall of valve body has the fixed disk, the fixed welding in bottom center department of deflector has the valve rod, the bottom of valve rod runs through the fixed disk and extends to the outside of fixed disk, the valve rod extends to the outside one end fixed welding of fixed disk and has the sealing plug, the air inlet has been seted up at the bottom center department of valve body, and the gas outlet has all been seted up to the both sides of valve body.
The cross sections of the spring gland and the guide plate are of a structure in a shape like a Chinese character pi, and the spring gland and the guide plate are in sliding connection with the inner wall of the valve body.
The sealing plug is made of rubber, a tapered groove is formed in the bottom of the sealing plug, and the maximum diameter of the sealing plug is larger than that of the air inlet.
Wherein, the center department of fixed disk sets up the through-hole with valve rod looks adaptation, the equal fixed welding in inner wall both sides of through-hole has the gag lever post, the adjacent one side of gag lever post all rotates and is connected with the sliding ball, the spacing groove with gag lever post looks adaptation is all seted up to the surperficial both sides of valve rod.
The valve body is of a cylindrical structure with an accommodating cavity, and an observation window is fixedly mounted on the surface of the valve body through a mounting groove.
Compared with the prior art, the invention has the beneficial effects that:
through the valve body, the spring gland, a spring, a guide plate, a fixed disc, an air outlet, an air inlet, a sealing plug, the cooperation of a valve rod and an adjusting screw rod, the adjustment screw rod can be rotated to drive the spring gland to move in the valve body, the elasticity of the spring can be adjusted to adjust the diffusion pressure set value of the safety diffusion valve, the application range is enlarged, when the outlet pressure of a gas pressure regulator is lower than the diffusion pressure set value of the safety diffusion valve of the gas pressure regulator, the sealing plug seals the air inlet, when the outlet pressure of the gas pressure regulator is higher than the diffusion pressure set value of the safety diffusion valve of the gas pressure regulator, the sealing plug is pushed to move towards the direction far away from the air inlet, the sealing plug extrudes the spring through the valve rod, a gap appears between the sealing plug and the air inlet, and the gas is discharged from the air outlets, implement and diffuse, can in time diffuse rapidly, guarantee gas equipment's security, when gas pressure regulator outlet pressure is less than the pressure setting value of diffusing of gas pressure regulator safety diffusion valve, the gas pressure of sealing plug bottom is less than the pressure setting value of diffusing, be less than the elasticity of spring promptly, spring promotion deflector downstream, make the deflector pass through the valve rod and drive the sealing plug and remove to the direction that is close to the air inlet, seal the air inlet until the sealing plug, moreover, the steam generator is simple in structure, and is convenient for popularize and use.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1-a valve body; 2-spring gland; 3-a spring; 4-a guide plate; 5, fixing the disc; 6-air outlet; 7-an air inlet; 8-sealing plug; 9-a valve stem; 10-adjusting the screw; 11-a viewing window; 12-a limiting rod; 13-sliding ball.
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. 1-3, the present invention provides a technical solution: including valve body 1, the top center department screw thread of valve body 1 is pegged graft and is had adjusting screw 10, adjusting screw 10's bottom is rotated and is connected with spring gland 2, spring gland 2's the fixed welding of bottom department placed in the middle has spring 3, the fixed welding in bottom of spring 3 has deflector 4, the fixed welding in bottom that lies in deflector 4 has fixed disk 5 between the inner wall of valve body 1, the fixed welding in bottom center department of deflector 4 has valve rod 9, the bottom of valve rod 9 runs through fixed disk 5 and extends to the outside of fixed disk 5, the fixed welding in one end that valve rod 9 extends to fixed disk 5 outside has sealing plug 8, air inlet 7 has been seted up at the bottom center department of valve body 1, and gas outlet 6 has all been seted up to the both sides of valve body 1 and lie in between the inner wall bottom of fixed disk 5 and.
The cross sections of the spring gland 2 and the guide plate 4 are of a structure shaped like a letter pi, and the spring gland 2 and the guide plate 4 are connected with the inner wall of the valve body in a sliding mode, so that the transverse movement of the spring 3 is avoided.
The sealing plug 8 is made of rubber, a tapered groove is formed in the bottom of the sealing plug 8, the maximum diameter of the sealing plug 8 is larger than the diameter of the air inlet 7, the contact area of air and the sealing plug 8 is increased, timely release is facilitated, and the sensitivity is increased.
Wherein, the center department of fixed disk 5 sets up the through-hole with valve rod 9 looks adaptation, the equal fixed welding in inner wall both sides of through-hole has gag lever post 12, one side that gag lever post 12 is adjacent all rotates and is connected with sliding ball 13, the spacing groove with gag lever post 12 looks adaptation is all seted up to the surperficial both sides of valve rod 9, avoids valve rod 9 to appear inclining at the in-process that removes, takes place the problem of deviation.
The valve body 1 is of a cylindrical structure with an accommodating cavity, and an observation window 11 is fixedly mounted on the surface of the valve body 1 through a mounting groove, so that the position of the spring gland 2 can be observed conveniently.
The working principle is as follows: when the gas pressure regulating valve is used, the regulating screw rod 10 is rotated to enable the regulating screw rod 10 to drive the spring gland 2 to move in the valve body 1, the elasticity of the spring 3 can be regulated, so that the diffusion pressure set value of the safety diffusion valve is regulated, the use range is expanded, when the outlet pressure of the gas pressure regulator is lower than the diffusion pressure set value of the safety diffusion valve of the gas pressure regulator, the air inlet 7 is sealed by the sealing plug 8, when the outlet pressure of the gas pressure regulator is higher than the diffusion pressure set value of the safety diffusion valve of the gas pressure regulator, the gas pushes the sealing plug 8, so that the sealing plug 8 moves towards the direction far away from the air inlet 7, the sealing plug 8 extrudes the spring 3 through the valve rod 9 and the guide plate, a gap is formed between the sealing plug 8 and the air inlet 7, the gas is discharged from the air outlets 6 at two sides of the, guarantee gas equipment's security, when gas pressure regulator outlet pressure is less than the pressure setting value of diffusing of gas pressure regulator safety diffusion valve, the gas pressure of sealing plug 8 bottom is less than the pressure setting value of diffusing, be less than spring 3's elasticity promptly, spring 3 promotes 4 downstream of deflector, make deflector 4 pass through valve rod 9 and drive sealing plug 8 and remove to the direction that is close to air inlet 7, seal up to sealing plug 8 and seal air inlet 7, moreover, the steam generator is simple in structure and compact, and the popularization and use is convenient.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (5)
1. The utility model provides a gas pressure regulator safety relief valve, includes valve body (1), its characterized in that: top center department screw-thread grafting of valve body (1) has adjusting screw (10), the bottom of adjusting screw (10) is rotated and is connected with spring gland (2), the fixed welding of the bottom department placed in the middle of spring gland (2) has spring (3), the fixed welding in bottom of spring (3) has deflector (4), the fixed welding in bottom that lies in deflector (4) between the inner wall of valve body (1) has fixed disk (5), the fixed welding in bottom center department of deflector (4) has valve rod (9), the outside that fixed disk (5) and extend to fixed disk (5) is run through to the bottom of valve rod (9), the one end fixed welding that valve rod (9) extend to fixed disk (5) outside has sealing plug (8), air inlet (7) have been seted up in bottom center department of valve body (1), and the gas outlet has all been seted up between the inner wall bottom that the both sides of valve body (1) lie in fixed disk (5) and valve body (1) (6).
2. The gas pressure regulator safety relief valve of claim 1, wherein: the cross sections of the spring gland (2) and the guide plate (4) are of a Pi-shaped structure, and the spring gland (2) and the guide plate (4) are in sliding connection with the inner wall of the valve body.
3. The gas pressure regulator safety relief valve of claim 1, wherein: the sealing plug (8) is made of rubber, a conical groove is formed in the bottom of the sealing plug (8), and the maximum diameter of the sealing plug (8) is larger than that of the air inlet (7).
4. The gas pressure regulator safety relief valve of claim 1, wherein: the through-hole with valve rod (9) looks adaptation is seted up in the center department of fixed disk (5), the equal fixed welding in inner wall both sides of through-hole has gag lever post (12), one side that gag lever post (12) are adjacent all rotates and is connected with sliding ball (13), the spacing groove with gag lever post (12) looks adaptation is all seted up to the surperficial both sides of valve rod (9).
5. The gas pressure regulator safety relief valve of claim 1, wherein: the valve body (1) adopts a cylindrical structure with an accommodating cavity, and an observation window (11) is fixedly arranged on the surface of the valve body (1) through an installation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254162.3A CN111271493A (en) | 2020-04-02 | 2020-04-02 | Safety relief valve of gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010254162.3A CN111271493A (en) | 2020-04-02 | 2020-04-02 | Safety relief valve of gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271493A true CN111271493A (en) | 2020-06-12 |
Family
ID=71004031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010254162.3A Withdrawn CN111271493A (en) | 2020-04-02 | 2020-04-02 | Safety relief valve of gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271493A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061695A1 (en) * | 2020-09-23 | 2022-03-31 | 绍兴君合新材料科技有限公司 | Incinerator explosion door |
| CN114576403A (en) * | 2022-02-14 | 2022-06-03 | 保一集团有限公司 | Pneumatic pipeline safety valve capable of carrying out fine adjustment on rated pressure |
-
2020
- 2020-04-02 CN CN202010254162.3A patent/CN111271493A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061695A1 (en) * | 2020-09-23 | 2022-03-31 | 绍兴君合新材料科技有限公司 | Incinerator explosion door |
| CN114576403A (en) * | 2022-02-14 | 2022-06-03 | 保一集团有限公司 | Pneumatic pipeline safety valve capable of carrying out fine adjustment on rated pressure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200612 |