CN111677876A - Gas safety valve - Google Patents
Gas safety valve Download PDFInfo
- Publication number
- CN111677876A CN111677876A CN202010546770.1A CN202010546770A CN111677876A CN 111677876 A CN111677876 A CN 111677876A CN 202010546770 A CN202010546770 A CN 202010546770A CN 111677876 A CN111677876 A CN 111677876A
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- CN
- China
- Prior art keywords
- valve
- cavity
- hole
- groove
- control
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 27
- 230000008676 import Effects 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a gas safety valve which comprises a valve body, wherein an upper valve cavity and a lower valve cavity are arranged in the valve body, a transverse partition plate is arranged between the upper valve cavity and the lower valve cavity in the valve body, and an inlet pipe and an outlet pipe are arranged on the side surface of the valve body, wherein the inlet pipe is communicated with the lower valve cavity; a connecting sleeve is fixedly installed at an opening at the upper end of the upper valve cavity, an installation groove is formed in the connecting sleeve, a valve cover is arranged at an opening at the upper end of the installation groove, a valve port is formed in the diaphragm plate, a valve core is connected in the upper valve cavity in a sliding mode, an adjusting rod is connected to the valve cover in a threaded mode, a convex shoulder is arranged on the side face of the adjusting rod, and a first spring is arranged between the convex shoulder and the; the valve block is rotationally connected in the mounting groove, the valve cover is provided with an electromagnetic assembly, the electromagnetic assembly comprises a coil and an iron core, and a transmission assembly connected with the valve block is arranged in the mounting groove; the gas safety valve is simple in structure and can play a role in stopping and adjusting.
Description
Technical Field
The invention belongs to the technical field of safety valves, and particularly relates to a gas safety valve.
Background
In a household gas cooker, a stop safety valve is usually adopted to control the stop and the opening of gas and regulate the gas amount in a pipeline, the phenomenon that a gas valve is forgotten to be closed frequently occurs in daily life, and the gas stop safety valve in the prior art adopts a rotary screw rod to move to close the valve, so that the valve seal always needs to be rubbed and damaged easily, and the gas is easy to leak; and the electromagnetic valve is required to have large driving power, so the application on the large-caliber valve is difficult.
Disclosure of Invention
The invention aims to provide a gas safety valve which is simple in structure and can play a role in stopping and adjusting.
In order to achieve the purpose, the invention provides the following technical scheme:
a fuel gas safety valve comprises a valve body, wherein an upper valve cavity and a lower valve cavity are arranged in the valve body, a transverse partition plate is arranged between the upper valve cavity and the lower valve cavity in the valve body, and an inlet pipe and an outlet pipe are arranged on the side face of the valve body, wherein the inlet pipe is communicated with the lower valve cavity; a connecting sleeve is fixedly installed at an opening at the upper end of the upper valve cavity, an installing groove is formed in the connecting sleeve, a valve cover is arranged at an opening at the upper end of the installing groove, a valve port used for communicating the upper valve cavity with the lower valve cavity is arranged on the diaphragm plate, the cross sectional area of the valve port is smaller than that of the upper valve cavity, a valve core used for controlling the on-off of the valve port is connected in the upper valve cavity in a sliding mode, a control cavity is formed between the upper end of the valve core and the connecting sleeve in the upper valve cavity, the lower end of the valve cover is connected with an adjusting rod which penetrates through the connecting sleeve and the control cavity and extends into the valve core in a threaded mode, a convex shoulder; use the regulation pole to rotate as the centre of a circle in the mounting groove and be connected with the valve block, be equipped with the electromagnetic component on the valve gap, the electromagnetic component includes the coil to and be located the coil and the lower extreme stretches into the iron core in the mounting groove, be equipped with the transmission assembly who is connected with the valve block in the mounting groove, when coil circular telegram and iron core downstream, transmission assembly control valve block changes to the primary importance, makes import pipe and control chamber intercommunication, and when coil outage and iron core upstream, transmission assembly control valve block changes to the secondary importance, makes import pipe and control chamber cut off, and control chamber and outlet pipe intercommunication.
Furthermore, the transmission assembly comprises a control ring, a rotary groove with an opening at the upper end is formed in the valve block, and the control ring is connected in the rotary groove in a sliding manner along the axial direction of the adjusting rod; a spiral groove is formed in the inner side wall of the rotary groove, a convex column extending into the spiral groove is arranged on the outer side of the control ring, and a second spring used for forcing the control ring to move upwards is arranged in the rotary groove; when the iron core moves downwards, the control ring is pushed to move downwards to compress the second spring, and the valve block is driven by the control ring to rotate to the first position; when the iron core moves upwards, the second spring pushes the control ring to move upwards, and the control ring drives the valve block to rotate to the second position.
Furthermore, a first through hole for communicating the side wall of the mounting groove with the outlet pipe is formed in the connecting sleeve and the valve body, and a second through hole for communicating the bottom of the mounting groove with the control cavity is formed in the valve body; a third through hole for communicating the inlet pipe with the rotary groove is formed in the adjusting rod; a fourth through hole and a fifth through hole are formed in the valve block; when the valve block rotates to the first position, the fourth through hole communicates the second through hole with the rotary groove, and when the valve block rotates to the second position, the fifth through hole communicates the first through hole with the second through hole.
Furthermore, a positioning rod extending into the rotary groove is fixedly arranged on the valve cover along the axial direction of the adjusting rod, and the control ring is connected to the positioning rod in a sliding mode.
Furthermore, a hand wheel is fixedly mounted at the upper end of the adjusting rod.
Advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the valve rod has a cut-off function and an adjusting function, when the coil is electrified, the valve rod is in the cut-off function, and when the coil is not electrified, the valve rod can be adjusted to play an adjusting role;
2. according to the invention, the valve core is pressed by gas pressure by utilizing the area difference of the valve core when the valve core is stopped, so that the sealing is more reliable;
3. the electromagnet controls the iron core to push the control ring to move to control the switching of cut-off and regulation, and the valve core is not directly controlled, so that the power of the electromagnet is low;
4. the valve core is not directly controlled by a screw, and the valve core does not rub a valve seat to protect a sealing piece when closed, so that the valve core is not easy to leak and has long service life;
5. the invention has the advantages of high integration, compact volume, simple structure and low manufacturing cost.
Drawings
FIG. 1 is a block diagram of the present invention, now in an adjustment state;
FIG. 2 is a block diagram of the present invention, now in the off state;
fig. 3 is a sectional view of the rotating ring of the present invention.
Detailed Description
Referring to fig. 1-3, a gas safety valve includes a valve body 1, an upper valve cavity 1a and a lower valve cavity 1b are arranged in the valve body 1, a diaphragm plate 1c is arranged between the upper valve cavity 1a and the lower valve cavity 1b in the valve body 1, an inlet pipe 101 communicated with the lower valve cavity 1b and an outlet pipe 102 communicated with the upper valve cavity 1a are arranged on the side surface of the valve body 1; the valve comprises an upper valve cavity 1a, a connecting sleeve 3 is fixedly installed at an upper end opening of the upper valve cavity 1a, a mounting groove 31 is arranged in the connecting sleeve 3, a valve cover 11 is arranged at an upper end opening of the mounting groove 31, a valve port 1d used for communicating the upper valve cavity 1a with a lower valve cavity 1b is arranged on a transverse partition plate 1c, the cross-sectional area S2 of the valve port 1d is smaller than the cross-sectional area S1 of the upper valve cavity 1a, a valve core 2 used for controlling the on-off of the valve port 1d is connected in the upper valve cavity 1a in a sliding mode, a control cavity 2a is formed between the upper end of the valve core 2 in the upper valve cavity 1a and the connecting sleeve 3, a regulating rod 5 with the lower end penetrating through the. A shoulder 52 positioned in the control cavity 2a is arranged on the side surface of the adjusting rod 5, and a first spring 7 for forcing the valve core 2 to move downwards is arranged between the shoulder 52 and the valve core 2; use regulation pole 5 to rotate as the centre of a circle in the mounting groove 31 and be connected with valve block 4, be equipped with the electromagnetism subassembly on the valve gap 11, the electromagnetism subassembly includes coil 8 to and be located coil 8 and the lower extreme stretches into the iron core 81 in the mounting groove 31, be equipped with the transmission assembly who is connected with valve block 4 in the mounting groove 31, when coil 8 circular telegram and iron core 81 downstream, transmission assembly control valve block 4 changes to the primary importance, makes import pipe 101 and control chamber 2a intercommunication, when coil 8 outage and iron core 81 upward movement, transmission assembly control valve block 4 changes to the secondary importance, makes import pipe 101 and control chamber 2a cut off, and control chamber 2a and outlet pipe 102 intercommunication.
The transmission assembly comprises a control ring 6, a rotary groove 41 with an opening at the upper end is arranged in the valve block 4, the control ring 6 is connected in the rotary groove 41 in a sliding manner along the axial direction of the adjusting rod 5, a positioning rod 10 extending into the rotary groove 41 is fixedly arranged on the valve cover 11 along the axial direction of the adjusting rod 5, and the control ring 6 is connected on the positioning rod 10 in a sliding manner; a spiral groove 4c is formed in the inner side wall of the rotary groove 41, a convex column 6a extending into the spiral groove 4c is arranged on the outer side of the control ring 6, and a second spring 9 for forcing the control ring 6 to move upwards is arranged in the rotary groove 41; when the iron core 81 moves downwards, the control ring 6 is pushed to move downwards to compress the second spring 9, and the control ring 6 drives the valve block 4 to rotate to the first position; when the iron core 81 moves upwards, the second spring 9 pushes the control ring 6 upwards, and the control ring 6 drives the valve block 4 to rotate to the second position.
A first through hole 3a for communicating the side wall of the mounting groove 31 and the outlet pipe 102 is formed in the connecting sleeve 3 and the valve body 1, and a second through hole 3b for communicating the bottom of the mounting groove 31 and the control cavity 2a is formed in the valve body 1; a third through hole 5a for communicating the inlet pipe 101 with the rotary groove 41 is formed in the adjusting rod 5; a fourth through hole 4b and a fifth through hole 4a are formed in the valve block 4; when the valve block 4 is rotated to the first position, the fourth through hole 4b communicates the second through hole 3b with the rotary groove 41, and when the valve block 4 is rotated to the second position, the fifth through hole 4a communicates the first through hole 3a with the second through hole 3 b.
When the gas leakage occurs at the valve port 1d, the gas concentration of the air around the gas stove rises, at this time, the sensor for detecting the gas concentration sends a signal to electrify the coil 8, as shown in fig. 2, the iron core 81 extends out to push the control ring 6 to overcome the second spring 9 to move downwards, the valve block 4 is driven to rotate to the first position in the process of the downward movement of the control ring 6 due to the matching of the positioning rod 10 and the control ring 6 and the matching between the convex column 6a and the spiral groove 4c, at this time, the high-pressure gas at the inlet pipe 101 enters the control cavity 2a through the third through hole 5a, the rotary groove 41, the fourth through hole 4b and the second through hole 3b, the upper and lower stress areas of the valve core 2 are S1 and S2, because S1 is larger than S2, the valve core 2 cannot move upwards under the gas pressure, the valve port 1d cannot be opened and kept stopped, the inlet pipe 101 and the outlet pipe 102 cannot be always, therefore, the automatic closing function can be realized, the situation that the valve is forgotten to be closed is prevented, and the protection effect is realized.
When the coil 8 is de-energized and the present invention is in the adjusting function, as shown in fig. 1, the control ring 6 moves upward under the action of the second spring 9, the valve block 4 is driven to rotate to the second position in the process of moving downward by the positioning rod 10 and the control ring 6, and the convex column 6a and the spiral groove 4c are matched, at this time, the control cavity 2a is communicated with the outlet pipe 102 through the second through hole 3b, the fifth through hole 4a and the first through hole 3a, when the adjusting rod 5 is rotated by the hand wheel 51 to move upward, the pretightening force of the first spring 7 is reduced, when the pressure of the inlet pipe 101 is greater than the set pressure of the first spring 7, the gas in the inlet pipe 101 pushes the valve core 2 to move upward, the gas in the control cavity 2a flows into the outlet pipe 102 through the second through hole 3b, the fifth through hole 4a and the first through hole 3a, the valve core 2 moves upward, the valve port 1d is opened, the gas in the inlet pipe 101 enters the outlet pipe 102, and when the adjusting rod 5 adjusts the gas output upwards, the ignited fire is larger, otherwise, the gas output is smaller, the ignited fire is smaller, so that the adjusting effect is achieved; when it is desired to close, the adjustment lever 5 is controlled by the hand wheel 51 to be adjusted downwards to the end, at which point the set pressure of the first spring 7 is much greater than the pressure of the inlet pipe 101, at which point gas cannot flow to the outlet pipe 102, and the valve is in the closed state.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A fuel gas safety valve comprises a valve body, wherein an upper valve cavity and a lower valve cavity are arranged in the valve body, a transverse partition plate is arranged between the upper valve cavity and the lower valve cavity in the valve body, and an inlet pipe and an outlet pipe are arranged on the side face of the valve body, wherein the inlet pipe is communicated with the lower valve cavity; the valve is characterized in that a connecting sleeve is fixedly installed at an opening at the upper end of the upper valve cavity, an installing groove is formed in the connecting sleeve, a valve cover is arranged at an opening at the upper end of the installing groove, a valve port used for communicating the upper valve cavity with the lower valve cavity is arranged on the diaphragm plate, the cross sectional area of the valve port is smaller than that of the upper valve cavity, a valve core used for controlling the on-off of the valve port is connected in the upper valve cavity in a sliding mode, a control cavity is formed between the upper end of the valve core and the connecting sleeve in the upper valve cavity, the lower end of the valve cover is connected with an adjusting rod which penetrates through the connecting sleeve and the control cavity and extends into the valve core, a convex shoulder located in; use the regulation pole to rotate as the centre of a circle in the mounting groove and be connected with the valve block, be equipped with the electromagnetic component on the valve gap, the electromagnetic component includes the coil to and be located the coil and the lower extreme stretches into the iron core in the mounting groove, be equipped with the transmission assembly who is connected with the valve block in the mounting groove, when coil circular telegram and iron core downstream, transmission assembly control valve block changes to the primary importance, makes import pipe and control chamber intercommunication, and when coil outage and iron core upstream, transmission assembly control valve block changes to the secondary importance, makes import pipe and control chamber cut off, and control chamber and outlet pipe intercommunication.
2. The gas safety valve according to claim 1, wherein the transmission assembly comprises a control ring, a rotary groove with an upper end opened is arranged in the valve block, and the control ring is connected in the rotary groove in a sliding manner along the axial direction of the adjusting rod; a spiral groove is formed in the inner side wall of the rotary groove, a convex column extending into the spiral groove is arranged on the outer side of the control ring, and a second spring used for forcing the control ring to move upwards is arranged in the rotary groove; when the iron core moves downwards, the control ring is pushed to move downwards to compress the second spring, and the valve block is driven by the control ring to rotate to the first position; when the iron core moves upwards, the second spring pushes the control ring to move upwards, and the control ring drives the valve block to rotate to the second position.
3. The gas safety valve according to claim 2, wherein a first through hole for communicating the side wall of the mounting groove and the outlet pipe is provided in the connecting sleeve and the valve body, and a second through hole for communicating the bottom of the mounting groove and the control chamber is provided in the valve body; a third through hole for communicating the inlet pipe with the rotary groove is formed in the adjusting rod; a fourth through hole and a fifth through hole are formed in the valve block; when the valve block rotates to the first position, the fourth through hole communicates the second through hole with the rotary groove, and when the valve block rotates to the second position, the fifth through hole communicates the first through hole with the second through hole.
4. The gas safety valve of claim 2, wherein the valve cover is fixedly provided with a positioning rod extending into the rotating groove along the axial direction of the adjusting rod, and the control ring is slidably connected to the positioning rod.
5. The gas safety valve of claim 1, wherein a hand wheel is fixedly mounted on the upper end of the adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546770.1A CN111677876A (en) | 2020-06-16 | 2020-06-16 | Gas safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546770.1A CN111677876A (en) | 2020-06-16 | 2020-06-16 | Gas safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677876A true CN111677876A (en) | 2020-09-18 |
Family
ID=72436365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010546770.1A Pending CN111677876A (en) | 2020-06-16 | 2020-06-16 | Gas safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677876A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161090A (en) * | 2020-09-20 | 2021-01-01 | 东莞海特帕沃液压科技有限公司 | Axial flow type check valve |
| CN112197022A (en) * | 2020-10-28 | 2021-01-08 | 苏凤霞 | Gate valve convenient to maintain |
| RU2796042C1 (en) * | 2022-06-17 | 2023-05-16 | Публичное акционерное общество "Объединенная авиастроительная корпорация" (ПАО "ОАК") | Squeeze drain valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202927185U (en) * | 2012-09-20 | 2013-05-08 | 浙江汉特姆阀门有限公司 | Normally-closed type gas safety valve |
-
2020
- 2020-06-16 CN CN202010546770.1A patent/CN111677876A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202927185U (en) * | 2012-09-20 | 2013-05-08 | 浙江汉特姆阀门有限公司 | Normally-closed type gas safety valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112161090A (en) * | 2020-09-20 | 2021-01-01 | 东莞海特帕沃液压科技有限公司 | Axial flow type check valve |
| CN112197022A (en) * | 2020-10-28 | 2021-01-08 | 苏凤霞 | Gate valve convenient to maintain |
| RU2796042C1 (en) * | 2022-06-17 | 2023-05-16 | Публичное акционерное общество "Объединенная авиастроительная корпорация" (ПАО "ОАК") | Squeeze drain valve |
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| 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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200918 |