CN216344159U - Self-adaptive gas pressure reducing valve - Google Patents
Self-adaptive gas pressure reducing valve Download PDFInfo
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- CN216344159U CN216344159U CN202122618652.XU CN202122618652U CN216344159U CN 216344159 U CN216344159 U CN 216344159U CN 202122618652 U CN202122618652 U CN 202122618652U CN 216344159 U CN216344159 U CN 216344159U
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Abstract
The utility model discloses a self-adaptive gas pressure reducing valve, which comprises a shell; fixed connection is in the intake pipe of shell one end, the intake pipe runs through shell tip to the shell inboard, the intake pipe inner wall is provided with inlet channel, inlet channel is located the inside one end of shell and is provided with first awl mouth. According to the utility model, the valve core arranged in the valve pipe is matched with the spring, the distance between the frustum at one side of the valve core facing the second cone opening and the second cone opening is automatically adjusted according to the pressure of fuel gas to adjust the gas outlet amount of the gas outlet channel, the gas outlet range is changed through the pressure, so that the gas outlet amount is kept stable at the same time, the anti-drop assembly can avoid the separation of the shell and the valve pipe caused by overlarge pressure, the compression distance of the spring can be adjusted by the movable joint and the adjusting nut, different compression distances can have different compression loads, and the valve core and the spring can be suitable for the pressure adjustment work in different pressure ranges.
Description
Technical Field
The utility model relates to the technical field of gas equipment, in particular to a self-adaptive gas pressure reducing valve.
Background
The working principle of the common gas pressure reducing valve in the market at present is as follows: when the user closes the switch of the gas equipment, the pressure in the decompression chamber rises with the increase of the gas entering the decompression chamber, the rubber film pressed by the spring is pushed to the top, part of the air existing in the upper air chamber is discharged out of the valve body through the breathing hole, the lever is forced to move upwards, the valve port is closed by utilizing the lever action, the passage of the gas inlet is cut off, and the pressure at the outlet of the decompression valve does not rise any more, when the switch of the gas equipment is turned on, the gas flows out from the pressure reducing valve, so that the pressure in the pressure reducing chamber is reduced, the rubber film is concave downwards to drive the lever to move downwards, the external air enters the upper air chamber from the breathing hole, the air inlet nozzle is enlarged, the air inlet amount is increased, the pressure in the pressure reducing chamber is always constant through the repeated and continuous adjusting process, that is, the outlet pressure is always stable regardless of whether the intake pressure is high or low, and thus, until the pressure reduction and stabilization are performed.
The existing gas pressure reducing valve finds that the pressure regulating speed has certain hysteresis in use, and has more structures, is not sensitive enough and cannot adjust the application range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an adaptive gas pressure reducing valve.
In order to achieve the purpose, the utility model adopts the following technical scheme: an adaptive gas pressure reducing valve comprises a shell; the air inlet pipe is fixedly connected to one end of the shell, penetrates through the end part of the shell and reaches the inner side of the shell, an air inlet channel is arranged on the inner wall of the air inlet pipe, and a first conical opening is formed in one end, located inside the shell, of the air inlet channel; the valve pipe is connected in the shell in a sliding mode and is far away from one end of the air inlet pipe, and a second taper opening corresponding to the first taper opening is formed in the inner side wall, facing the air inlet pipe, of the valve pipe; the air outlet pipe is fixedly connected to one end, far away from the shell, of the valve pipe, an air outlet channel is arranged on the inner wall of the air outlet pipe, one end, facing the valve pipe, of the air outlet channel is communicated with the second taper port, and hose connectors are arranged on the outer walls of the air outlet pipe and one end, far away from the shell, of the air inlet pipe; the pressure regulating component is arranged between the valve pipe and the air inlet pipe and is used for self-adaptively regulating pressure; the anti-drop component is arranged between the shell and the air outlet pipe and used for preventing separation, and the adjusting component is used for adjusting the pressure adjusting range of the pressure adjusting component; and the sealing assemblies are arranged between the shell and the valve pipe and on the pressure regulating assembly.
As a further description of the above technical solution:
the anticreep subassembly includes anticreep board, adapter sleeve, the one end of intake pipe is kept away from at the shell to anticreep board fixed connection, adapter sleeve fixed connection keeps away from one side of shell at the anticreep board, the outlet pipe outer wall run through anticreep board, adapter sleeve in proper order and with anticreep board, adapter sleeve sliding connection.
As a further description of the above technical solution:
the adjusting component comprises a movable joint and an adjusting nut, the movable joint is rotatably connected to the end part, far away from the anti-dropping plate, of the connecting sleeve, the adjusting nut is fixedly connected to one end, far away from the connecting sleeve, of the movable joint, and the inner side wall of the adjusting nut is in threaded connection with the outer wall of the air outlet pipe.
As a further description of the above technical solution:
the pressure regulating subassembly includes case, the lantern ring, spring, case sliding connection is at the valve pipe inside wall, lantern ring fixed connection is at case outer wall and position placed in the middle, lantern ring outer wall and valve pipe inside wall sliding connection, the case passes through the lantern ring and valve pipe sliding connection, the case both ends all are provided with the frustum, and two places the frustum coincide with first bevel, second bevel taper degree respectively, and two places the frustum is provided with the air channel of longitudinal symmetry towards the outer wall of second bevel, lantern ring inner wall is provided with four blow vents that divide equally and set up along case axle center circumference.
As a further description of the above technical solution:
the spring is sleeved on the outer wall of the valve core and is positioned between the right wall of the inner side of the valve pipe and the lantern ring.
As a further description of the above technical solution:
the sealing assembly comprises a first sealing element and a second sealing element, the first sealing element is sleeved on the outer wall of the valve pipe, the outer wall of the first sealing element is connected with the inner side wall of the shell in a sliding mode, and the second sealing element is sleeved on the outer wall of the frustum facing one end of the air inlet pipe on the valve core.
The utility model has the following beneficial effects:
1. compared with the prior art, this self-adaptation formula gas relief pressure valve, through case and the spring cooperation that sets up in the valve pipe, according to the pressure automatically regulated case of gas the air output of adjusting air outlet channel is carried out towards the frustum of second cone mouth one side and the distance between the second cone mouth, air inlet pressure then promotes the valve core greatly and is close to the second cone mouth, air inlet pressure then keeps away from the second cone mouth through the spring propelling valve core for a short time, change air outlet scope through the size of pressure, make the air output under the same time remain stable, the reaction is sensitive, in case the gas equipment end outlet is closed, the inside constant voltage state that is in of valve pipe, the spring promotes the valve core and makes the frustum of case towards first cone mouth one end on with first cone mouth shutoff.
2. Compared with the prior art, this self-adaptation formula gas relief pressure valve sets up the anticreep subassembly between shell and outlet duct, can avoid pressure too big to cause shell and valve pipe to break away from, through the movable joint and the adjusting nut that set up, can change the position of valve pipe in the shell through adjusting nut's rotation to the compression distance of adjustment spring, different compression distance can have different compression load, makes case and spring can be applicable to the pressure regulating work of different pressure ranges.
Drawings
FIG. 1 is a schematic view of an overall structure of an adaptive gas pressure reducing valve according to the present invention;
FIG. 2 is a sectional view of the overall structure of an adaptive gas pressure reducing valve according to the present invention;
FIG. 3 is a sectional view of an intake pipe structure of an adaptive gas pressure reducing valve according to the present invention;
FIG. 4 is a sectional view of an air outlet pipe structure of an adaptive gas pressure reducing valve according to the present invention;
FIG. 5 is a sectional view of a valve core and a collar structure of an adaptive gas pressure reducing valve according to the present invention;
fig. 6 is a side view of a valve core and a collar of an adaptive gas pressure reducing valve according to the present invention.
Illustration of the drawings:
1. a housing; 2. an anti-drop plate; 3. connecting sleeves; 4. a living joint; 5. adjusting the nut; 6. an air outlet pipe; 7. a hose connector; 8. an air inlet pipe; 9. an air intake passage; 10. an air outlet channel; 11. a valve tube; 12. a first seal member; 13. a valve core; 14. a collar; 15. a spring; 16. a first cone opening; 17. a second tapered port; 18. a second seal member; 19. a vent; 20. a vent groove.
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 to 6, the present invention provides an adaptive gas pressure reducing valve: comprises a shell 1; the air inlet pipe 8 is fixedly connected to one end of the shell 1, the air inlet pipe 8 penetrates through the end part of the shell 1 to the inner side of the shell 1, an air inlet channel 9 is arranged on the inner wall of the air inlet pipe 8, and a first conical opening 16 is formed in one end, located inside the shell 1, of the air inlet channel 9; the valve pipe 11 is connected in the shell 1 in a sliding mode and is far away from one end of the air inlet pipe 8, and a second taper opening 17 corresponding to the first taper opening 16 is formed in the inner side wall, facing the air inlet pipe 8, of the valve pipe 11; fixed connection is at the outlet duct 6 that shell 1 one end was kept away from to valve pipe 11, and 6 inner walls of outlet duct are provided with outlet channel 10, and outlet channel 10 link up with second cone 17 towards the one end of valve pipe 11, and the one end outer wall that shell 1 was kept away from to outlet duct 6, intake pipe 8 all is provided with hose coupler 7, can insert this self-adaptation formula gas relief pressure valve in the gas pipeline through two hose coupler 7.
The pressure regulating component is arranged between a valve pipe 11 and an air inlet pipe 8 and used for self-adaptively regulating pressure, the pressure regulating component comprises a valve core 13, a lantern ring 14 and a spring 15, the valve core 13 is slidably connected with the inner side wall of the valve pipe 11, the lantern ring 14 is fixedly connected with the outer wall of the valve core 13 and is arranged in the middle, the outer wall of the lantern ring 14 is slidably connected with the inner side wall of the valve pipe 11, the valve core 13 is slidably connected with the valve pipe 11 through the lantern ring 14, two ends of the valve core 13 are respectively provided with a frustum, the two frustums are respectively in taper fit with a first taper 16 and a second taper 17, the outer walls of the two frustums towards the second taper 17 are provided with vent grooves 20 which are vertically symmetrical, the inner wall of the lantern ring 14 is provided with four vent holes 19 which are equally distributed along the circumference of the axis of the valve core 13, the spring 15 is sleeved on the outer wall of the valve core 13 and is arranged between the right wall of the inner side of the valve pipe 11 and the lantern ring 14, when the introduced gas pressure is large, the gas pushes the valve core 13 and the lantern ring 14 to move towards the second taper 17 and squeeze the spring 15, when the compression load of the spring 15 is balanced with the air inlet pressure, the valve core 13 and the collar 14 do not move any more, the gas enters from the air inlet channel 9 and enters the air outlet channel 10 along the first taper port 16, the vent port 19 and the second taper port 17 to be output, when the gas pressure continues to increase, the valve core 13 and the collar 14 are pushed to continue to move towards the second taper port 17, the gap between the valve core 13 and the second taper port 17 is reduced, when the gas pressure decreases, the valve core 13 and the collar 14 are far away from the second taper port 17 through the pushing of the spring 15, the gap between the valve core 13 and the second taper port 17 is further increased, the air outlet amount is adjusted through changing the air outlet range at the same time, so that the gas amount under different pressures keeps consistent, and the vent groove 20 is used for keeping a certain vent amount when the frustum of the valve core 13 facing the second taper port 17 completely fits the second taper port 17, so as not to interrupt the gas supply.
An anti-drop component arranged between the shell 1 and the air outlet pipe 6 and used for preventing separation and an adjusting component used for adjusting the pressure adjusting range of the pressure adjusting component;
anticreep subassembly includes anticreep board 2, adapter sleeve 3, the one end of intake pipe 8 is kept away from at shell 1 to 2 fixed connection of anticreep board, one side of shell 1 is kept away from at anticreep board 2 to 3 fixed connection of adapter sleeve, 6 outer walls of outlet duct run through anticreep board 2 in proper order, adapter sleeve 3 and with anticreep board 2, adapter sleeve 3 sliding connection, can avoid when internal pressure is too big shell 1 and valve pipe 11 to break away from and cause the incident through anticreep board 2.
The adjusting component comprises a movable joint 4 and an adjusting nut 5, the movable joint 4 is rotatably connected to the end part, far away from the anti-falling plate 2, of the connecting sleeve 3, the adjusting nut 5 is fixedly connected to one end, far away from the connecting sleeve 3, of the movable joint 4, the inner side wall of the air outlet pipe is in threaded connection with the outer wall of the outer side wall of the air outlet pipe 6, the valve pipe 11 can move left and right on the inner side of the shell 1 by rotating the adjusting nut 5, and therefore the compression load of the compression spring 15 can be adjusted by adjusting the compression amount of the spring 15.
The sealing assembly is arranged between the shell 1 and the valve pipe 11 and on the pressure regulating assembly, the sealing assembly comprises a first sealing element 12 and a second sealing element 18, the outer wall of the valve pipe 11 is sleeved with the first sealing element 12, the outer wall of the first sealing element 12 is in sliding connection with the inner side wall of the shell 1, the outer wall of a frustum facing one end of the air inlet pipe 8 on the valve core 13 is sleeved with the second sealing element 18, the first sealing element 12 is used for sealing the valve pipe 11 and the shell 1, and the second sealing element 18 is used for sealing when the spring 15 drives the valve core 13 to block the first cone opening 16 after one end of the air outlet channel 10 is closed by an air appliance.
The working principle is as follows: the gas enters from the gas inlet channel 9, enters the gas outlet channel 10 along the first taper port 16, the vent port 19 and the second taper port 17 and is output, when the gas pressure continues to increase, the valve core 13 and the collar 14 are pushed to continue moving towards the second taper port 17, the gap between the valve core 13 and the second taper port 17 is reduced, when the gas pressure decreases, the valve core 13 and the collar 14 are far away from the second taper port 17 through the pushing of the spring 15, the gap between the valve core 13 and the second taper port 17 is further increased, the gas outlet amount is adjusted by changing the gas outlet range at the same time, so that the gas amount under different pressures keeps consistent, the vent groove 20 is used for keeping a certain vent amount when the taper table of the valve core 13 facing the second taper port 17 completely fits the second taper port 17, the gas supply is not interrupted, and the safety accident caused by the separation of the shell 1 and the valve pipe 11 when the internal pressure is too large can be avoided through the separation preventing plate 2, first sealing member 12 is used for sealing valve pipe 11 and shell 1, and after gas equipment was closed to gas outlet channel 10 one end, the pressure of the inside lantern ring 14 both sides of valve pipe 11 was equal, and spring 15 drove case 13 shutoff first awl mouth 16, and second sealing member 18 plays sealing effect this moment, can make valve pipe 11 remove about the shell 1 is inboard through rotating adjusting nut 5 to the compressive load of adjusting spring 15 can be adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. An adaptive gas pressure reducing valve is characterized in that: comprising a housing (1);
the air inlet pipe (8) is fixedly connected to one end of the shell (1), the air inlet pipe (8) penetrates through the end part of the shell (1) to the inner side of the shell (1), an air inlet channel (9) is arranged on the inner wall of the air inlet pipe (8), and a first conical opening (16) is formed in one end, located inside the shell (1), of the air inlet channel (9);
the valve pipe (11) is connected inside the shell (1) in a sliding mode and is far away from one end of the air inlet pipe (8), and a second taper opening (17) corresponding to the first taper opening (16) is formed in the inner side wall, facing the air inlet pipe (8), of the valve pipe (11);
the air outlet pipe (6) is fixedly connected to one end, far away from the shell (1), of the valve pipe (11), an air outlet channel (10) is arranged on the inner wall of the air outlet pipe (6), one end, facing the valve pipe (11), of the air outlet channel (10) is communicated with the second taper opening (17), and hose connectors (7) are arranged on the outer walls of the air outlet pipe (6) and one end, far away from the shell (1), of the air inlet pipe (8);
the pressure regulating component is arranged between the valve pipe (11) and the air inlet pipe (8) and is used for self-adaptively regulating pressure;
the anti-drop component is arranged between the shell (1) and the air outlet pipe (6) and used for preventing separation, and the adjusting component is used for adjusting the pressure adjusting range of the pressure adjusting component;
and the sealing assemblies are arranged between the shell (1) and the valve pipe (11) and on the pressure regulating assembly.
2. An adaptive gas pressure reducing valve according to claim 1, wherein: anticreep subassembly includes anticreep board (2), adapter sleeve (3), the one end of intake pipe (8) is kept away from in shell (1) to anticreep board (2) fixed connection, one side of shell (1) is kept away from in adapter sleeve (3) fixed connection in anticreep board (2), outlet duct (6) outer wall run through anticreep board (2), adapter sleeve (3) in proper order and with anticreep board (2), adapter sleeve (3) sliding connection.
3. An adaptive gas pressure reducing valve according to claim 2, wherein: the adjusting component comprises a movable joint (4) and an adjusting nut (5), the movable joint (4) is rotatably connected to the end portion, far away from the anti-falling plate (2), of the connecting sleeve (3), and the adjusting nut (5) is fixedly connected to one end, far away from the connecting sleeve (3), of the movable joint (4) and is in threaded connection with the outer wall of the air outlet pipe (6) through the inner side wall.
4. An adaptive gas pressure reducing valve according to claim 3, wherein: the pressure regulating assembly comprises a valve core (13), a sleeve ring (14) and a spring (15), the valve core (13) is slidably connected to the inner side wall of a valve pipe (11), the sleeve ring (14) is fixedly connected to the outer wall of the valve core (13) and located in the middle, the outer wall of the sleeve ring (14) is slidably connected to the inner side wall of the valve pipe (11), the valve core (13) is slidably connected to the valve pipe (11) through the sleeve ring (14), the two ends of the valve core (13) are provided with frustum bodies, the frustum bodies are in taper fit with a first cone opening (16) and a second cone opening (17), the frustum bodies are provided with vent grooves (20) which are symmetrical up and down towards the outer wall of the second cone opening (17), and the inner wall of the sleeve ring (14) is provided with four vent holes (19) which are arranged along the circumference of the axis of the valve core (13) in an equal division mode.
5. An adaptive gas pressure reducing valve according to claim 4, wherein: the spring (15) is sleeved on the outer wall of the valve core (13) and is positioned between the right wall of the inner side of the valve pipe (11) and the lantern ring (14).
6. An adaptive gas pressure reducing valve according to claim 5, wherein: the sealing assembly comprises a first sealing element (12) and a second sealing element (18), the outer wall of the valve pipe (11) is sleeved with the first sealing element (12), the outer wall of the first sealing element (12) is in sliding connection with the inner side wall of the shell (1), and the outer wall of the frustum facing one end of the air inlet pipe (8) on the valve core (13) is sleeved with the second sealing element (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618652.XU CN216344159U (en) | 2021-10-29 | 2021-10-29 | Self-adaptive gas pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122618652.XU CN216344159U (en) | 2021-10-29 | 2021-10-29 | Self-adaptive gas pressure reducing valve |
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| Publication Number | Publication Date |
|---|---|
| CN216344159U true CN216344159U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122618652.XU Active CN216344159U (en) | 2021-10-29 | 2021-10-29 | Self-adaptive gas pressure reducing valve |
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| CN (1) | CN216344159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562393A (en) * | 2022-04-27 | 2022-05-31 | 山东赛马力发电设备有限公司 | Self-adaptive gas inlet regulating valve of gas internal combustion engine |
| CN116007522A (en) * | 2023-01-10 | 2023-04-25 | 安徽省亳州煤业有限公司 | Mine channel deformation monitoring equipment and monitoring method |
-
2021
- 2021-10-29 CN CN202122618652.XU patent/CN216344159U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562393A (en) * | 2022-04-27 | 2022-05-31 | 山东赛马力发电设备有限公司 | Self-adaptive gas inlet regulating valve of gas internal combustion engine |
| CN114562393B (en) * | 2022-04-27 | 2022-07-01 | 山东赛马力发电设备有限公司 | Self-adaptive gas inlet regulating valve of gas internal combustion engine |
| CN116007522A (en) * | 2023-01-10 | 2023-04-25 | 安徽省亳州煤业有限公司 | Mine channel deformation monitoring equipment and monitoring method |
| CN116007522B (en) * | 2023-01-10 | 2023-09-26 | 安徽省亳州煤业有限公司 | Mine channel deformation monitoring equipment and monitoring method |
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