CN217440870U - Pipeline gas self-closing valve - Google Patents
Pipeline gas self-closing valve Download PDFInfo
- Publication number
- CN217440870U CN217440870U CN202123314818.5U CN202123314818U CN217440870U CN 217440870 U CN217440870 U CN 217440870U CN 202123314818 U CN202123314818 U CN 202123314818U CN 217440870 U CN217440870 U CN 217440870U
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting pipe
- closing valve
- valve seat
- valve
- 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.)
- Active
Links
Images
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model belongs to the technical field of pipeline valves and discloses a pipeline gas self-closing valve, wherein, both ends of a valve seat are respectively communicated with an air inlet connecting pipe and an air outlet connecting pipe, and a shell is fixed at the upper end of the valve seat through a fixing buckle; a vertical sliding rod is arranged on the inner side of the valve seat, a metal plate is fixed at the upper end of the vertical sliding rod, a magnet block is adsorbed at the upper end of the metal plate, a lifting rod is fixedly connected at the upper end of the magnet block, and a diaphragm is fixedly sleeved on the outer side of the lifting rod; two sides of the lower end of the vertical sliding rod are connected with a cutting rod through movable rods, and the outer ends of the two cutting rods are respectively connected with sealing ends in the air inlet connecting pipe and the air outlet connecting pipe. The utility model discloses an all be provided with in the inlet connection pipe at disk seat both ends and the connecting pipe of giving vent to anger and cut off the subassembly, can carry out the simultaneous cutting-off operation to the self-closing valve both ends, the action reaction is timely, and through adopting the double containment design, when sealing gap appears in one of them seal head, effectual sealed effect can be guaranteed to another seal head, and the security is high.
Description
Technical Field
The utility model belongs to the technical field of the pipeline valve, especially, relate to a pipeline gas self-closing valve.
Background
At present, a pipeline gas self-closing valve is a device for ensuring safe use of gas, the pressure and flow state of the gas in a pipeline can be monitored in real time in the use process, and when the gas in the pipeline is used under the conditions of overpressure, underpressure or excessive flow, the pipeline gas self-closing valve is immediately closed, and the gas supply is cut off to ensure safe use of the gas.
The self-closing valve for pipeline gas is installed on the pipeline of low pressure gas system, and when gas leakage occurs in the gas pipeline and the gas supply pressure is too low or too high, it can automatically close without using electricity or other external power and must be manually opened. The cutting-off functional component of the existing self-closing valve is arranged at the air inlet end of the valve, a certain distance is reserved at the joint of a rubber pipe at the air outlet end, and when the rubber pipe falls off, the cutting-off reaction is not sensitive enough. And when the cut-off assembly is aged and a sealing gap is formed, the sealing effect of the self-closing valve can be influenced.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the cutting-off functional component of the existing self-closing valve is arranged at the air inlet end of the valve, a certain distance is reserved at the joint of a rubber pipe at the air outlet end, and when the rubber pipe falls off, the cutting-off reaction is not sensitive enough.
(2) When the cut-off assembly is aged and a sealing gap is formed, the sealing effect of the self-closing valve can be influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a pipeline gas self-closing valve.
The utility model discloses a realize like this, a pipeline gas self-closing valve is provided with:
a valve seat and a housing;
the two ends of the valve seat are respectively communicated with an air inlet connecting pipe and an air outlet connecting pipe, and the shell is fixed at the upper end of the valve seat through a fixing buckle;
a vertical sliding rod is arranged on the inner side of the valve seat, a metal plate is fixed at the upper end of the vertical sliding rod, a magnet block is adsorbed at the upper end of the metal plate, a lifting rod is fixedly connected to the upper end of the magnet block, and a diaphragm is fixedly sleeved on the outer side of the lifting rod;
the two sides of the lower end of the vertical sliding rod are connected with a cutting rod through movable rods, and the outer ends of the two cutting rods are respectively connected with sealing ends positioned in the air inlet connecting pipe and the air outlet connecting pipe.
Further, the upper end of the movable rod is connected with the side face of the lower end of the vertical sliding rod through a rotating shaft, the other end of the movable rod is connected with the cutting rod through a rotating shaft, the lower end of the connecting position of the movable rod and the cutting rod is connected with a supporting rod, and the lower end of the supporting rod is connected with a movable ball.
Further, a transverse slide way is arranged at the bottom of the inner side of the valve seat, the movable ball moves left and right in the transverse slide way, and a groove matched with the movable ball is formed in the left end of the inner side of the transverse slide way.
Furthermore, a sealing rubber strip is clamped at the connecting position of the valve seat and the shell, and the edge of the diaphragm is of an upward-convex arc-shaped structure.
Furthermore, the upper end of the lifting rod is connected with an adjusting button, and the upper end of the adjusting button is glued with a striking identification sticker.
Further, the outer end of the air outlet connecting pipe is communicated with a ball valve, and the upper end of the ball valve is connected with a handle.
Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are:
the utility model discloses an all be provided with in the inlet connection pipe at disk seat both ends and the connecting pipe of giving vent to anger and cut off the subassembly, can carry out the simultaneous cutting-off operation to the self-closing valve both ends, the action reaction is timely, and through adopting the double containment design, when sealing gap appears in one of them seal head, effectual sealed effect can be guaranteed to another seal head, and the security is high.
The utility model discloses a movable rod can drive the subassembly that cuts off of both sides and move, can effectively support the movable rod through the bracing piece, can carry on spacingly to the removal of bracing piece through the transverse slipway, avoids rocking, can fix movable ball when the closed condition through the recess with movable ball complex.
The utility model discloses a joint strip can guarantee the connection effect of disk seat and casing, carries out the surplus setting through the border with the diaphragm, can avoid inside gas to spill over at upper end casing position.
The utility model discloses an adjustment button can carry out manual opening to the self-closing valve, pastes the discernment that can be convenient for adjustment button through striking sign.
The utility model discloses an add at the connecting pipe of giving vent to anger and establish the ball valve, can adjust the air output of gas outlet, the flexibility is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pipeline gas self-closing valve provided by the embodiment of the invention.
Fig. 2 is a schematic structural diagram of a valve seat and a housing provided in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a groove and a transverse slideway provided by the embodiment of the present invention.
In the figure: 1. a valve seat; 2. a housing; 3. an air inlet connecting pipe; 4. an air outlet connecting pipe; 5. a vertical slide bar; 6. a metal plate; 7. a magnet block; 8. lifting a pull rod; 9. a membrane; 10. an adjustment button; 11. a movable rod; 12. cutting off the rod; 13. sealing the end head; 14. a support bar; 15. a movable ball; 16. a groove; 17. a handle; 18. a transverse slideway; 19. a ball valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
To the problem that prior art exists, the utility model provides a pipeline gas self-closing valve, it is right below to combine the figure the utility model discloses do detailed description.
As shown in fig. 1-3, the pipeline gas self-closing valve provided by the embodiment of the invention comprises a valve seat 1 and a shell 2; two ends of the valve seat 1 are respectively communicated with an air inlet connecting pipe 3 and an air outlet connecting pipe 4, and the shell 2 is fixed at the upper end of the valve seat 1 through a fixing buckle; a vertical sliding rod 5 is arranged on the inner side of the valve seat 1, a metal plate 6 is fixed at the upper end of the vertical sliding rod 5, a magnet block 7 is adsorbed at the upper end of the metal plate 6, a lifting rod 8 is fixedly connected at the upper end of the magnet block 7, and a diaphragm 9 is fixedly sleeved on the outer side of the lifting rod 8; two sides of the lower end of the vertical sliding rod 5 are connected with a cutting rod 12 through movable rods, and the outer ends of the two cutting rods 2 are respectively connected with sealing end heads 13 positioned in the air inlet connecting pipe 3 and the air outlet connecting pipe 4.
The embodiment of the utility model provides an in 11 upper ends of movable rod are connected through pivot and 5 lower extreme sides of vertical slide bar, the movable rod 11 other end through the pivot with cut off pole 12 and be connected, movable rod 11 is connected with bracing piece 14 with the hookup location lower extreme that cuts off pole 12, the bracing piece 14 lower extreme is connected with movable ball 15. Can drive the subassembly that cuts off of both sides through the movable rod and move, can effectively support the movable rod through the bracing piece. The bottom of the inner side of the valve seat 1 is provided with a transverse slide way 18, the movable ball moves left and right in the transverse slide way 18, and the left end of the inner side of the transverse slide way 18 is provided with a groove 16 matched with the movable ball. Can carry on spacingly to the removal of bracing piece through horizontal slide, avoid rocking, can fix movable ball when the closed condition through the recess with movable ball complex.
The embodiment of the utility model provides an in the hookup location clamp of disk seat 1 and casing 2 be equipped with joint strip, the border of diaphragm 9 is the bellied arc structure that makes progress. Can guarantee the connection effect of disk seat and casing through joint strip, carry out the surplus setting through the border with the diaphragm, can avoid inside gas to spill over at upper end casing position.
The embodiment of the utility model provides an in the upper end of the lifting rod be connected with adjustment button 10, adjustment button 10 upper end is glued and is had striking sign subsides. The self-closing valve can be manually opened through the adjusting button, and the adjusting button can be conveniently identified through the striking identification sticker.
The embodiment of the utility model provides an in 4 outer ends intercommunications of connecting pipe of giving vent to anger have ball valve 19, and 19 upper ends of ball valve are connected with handle 17. Through set up the ball valve additional at the connecting pipe of giving vent to anger, can adjust the air output of gas outlet, the flexibility is high.
The utility model discloses when using, the initial closed state that keeps of self-closing valve will admit air the connecting pipe and give vent to anger the connecting pipe and communicate with outside gas pipeline, press adjustment button 10 and make 8 of lifting rod push down vertical slide bar 5, vertical slide bar 5 drives the 12 outside lateral shifting of cutting off at both ends through movable rod 11 for sealed end 13 is opened, realizes ventilating.
Under the normal state of ventilating, when pipeline internal gas pressure is great, the gas pressure that gets into in the disk seat 1 is too high, with diaphragm 9 jack-up that makes progress, drives vertical slide bar 5 through lifting rod 8 and magnetite piece 7 and moves upward, and vertical slide bar 5 drives the pole 12 that cuts off at both ends through movable rod 11 and moves to the inboard for sealed end 13 seals the mouth of pipe, realizes that the superpressure is closed.
Under the normal state of ventilating, when the pipeline internal gas pressure was low partially, diaphragm 9 slided downwards, drives vertical slide bar 5 through lifting rod 8 and magnetite piece 7 and moves down, and the link of vertical slide bar 5 and movable rod 11 descends to the horizontal position that is less than cutting rod 12, drives the cutting rod 12 of both ends and moves to the inboard for sealed end 13 seals the mouth of pipe, realizes that the superpressure is closed.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the protection scope of the present invention within the technical scope of the present invention, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention.
Claims (6)
1. A pipeline gas self-closing valve is characterized in that the pipeline gas self-closing valve is provided with:
a valve seat and a housing;
the two ends of the valve seat are respectively communicated with an air inlet connecting pipe and an air outlet connecting pipe, and the shell is fixed at the upper end of the valve seat through a fixing buckle;
a vertical sliding rod is arranged on the inner side of the valve seat, a metal plate is fixed at the upper end of the vertical sliding rod, a magnet block is adsorbed at the upper end of the metal plate, a lifting rod is fixedly connected to the upper end of the magnet block, and a diaphragm is fixedly sleeved on the outer side of the lifting rod;
the two sides of the lower end of the vertical sliding rod are connected with a cutting rod through movable rods, and the outer ends of the two cutting rods are connected with sealing ends located in the air inlet connecting pipe and the air outlet connecting pipe respectively.
2. The pipeline gas self-closing valve as recited in claim 1, wherein the upper end of the movable rod is connected with the side of the lower end of the vertical sliding rod through a rotating shaft, the other end of the movable rod is connected with the cutting rod through a rotating shaft, the lower end of the connecting position of the movable rod and the cutting rod is connected with a support rod, and the lower end of the support rod is connected with a movable ball.
3. The pipeline gas self-closing valve as recited in claim 2, wherein a transverse slide way is provided at the bottom of the inner side of the valve seat, the movable ball moves left and right in the transverse slide way, and a groove matched with the movable ball is provided at the left end of the inner side of the transverse slide way.
4. The pipeline gas self-closing valve as recited in claim 1, wherein a sealing rubber strip is clamped at the connecting position of the valve seat and the shell, and the edge of the diaphragm is of an upward convex arc structure.
5. The pipeline gas self-closing valve as recited in claim 1, wherein an adjusting button is connected to the upper end of the lifting rod, and a striking mark is glued to the upper end of the adjusting button.
6. The pipeline gas self-closing valve as recited in claim 1, wherein the outer end of the gas outlet connecting pipe is communicated with a ball valve, and the upper end of the ball valve is connected with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123314818.5U CN217440870U (en) | 2021-12-27 | 2021-12-27 | Pipeline gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123314818.5U CN217440870U (en) | 2021-12-27 | 2021-12-27 | Pipeline gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440870U true CN217440870U (en) | 2022-09-16 |
Family
ID=83212157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123314818.5U Active CN217440870U (en) | 2021-12-27 | 2021-12-27 | Pipeline gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440870U (en) |
-
2021
- 2021-12-27 CN CN202123314818.5U patent/CN217440870U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106704618B (en) | High-performance gate valve | |
| CN217440870U (en) | Pipeline gas self-closing valve | |
| CN214946544U (en) | Anti-leakage vacuum valve | |
| CN208311576U (en) | A kind of excessively flow integrated gas pipeline self-closing valve of band | |
| CN212417314U (en) | Pressure reducing valve of scuba diving apparatus | |
| CN205956473U (en) | Automatic response gas self - closing valves | |
| CN211288916U (en) | Electric flange butterfly valve | |
| CN209458420U (en) | Structure improved ceramic cartridge | |
| CN209743662U (en) | Grain sampler | |
| CN2811162Y (en) | Soft face mask overlapping-pipe type underwater breathing apparatus used in deep water and surging water | |
| CN202992281U (en) | One-way gas check valve | |
| CN2079236U (en) | Automatic gas exhausting and water cutting off valve for central heating | |
| CN208734952U (en) | A kind of damping check valve | |
| CN218953425U (en) | Noise reduction relief valve for turbocharger | |
| CN2744907Y (en) | Self-closing one-way valve | |
| CN201992099U (en) | Novel gate valve | |
| CN216479004U (en) | Ultrahigh pressure flat gate valve | |
| CN217544470U (en) | Gas relay with automatic exhaust function | |
| CN205908847U (en) | Water purifier control water route on -off system | |
| CN218207117U (en) | Centrifugal fire-fighting smoke exhaust fan | |
| CN216742924U (en) | High-stability gate valve with secondary seal structure | |
| CN213206745U (en) | Full-automatic control device for high-altitude installation of valve | |
| CN216519877U (en) | Explosion-proof electromagnetic actuating mechanism of gas emergency cut-off electromagnetic valve | |
| CN111255926A (en) | Gas proportional valve | |
| CN220286596U (en) | Gas self-closing valve with alarm mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |