Anti-explosion acetylene gas transportation self-control valve
By combining multi-layer sealing rings and a pressure sensor, the leakage problem caused by damaged sealing rings in the explosion-proof acetylene gas transport automatic control valve is solved, achieving rapid response and secondary sealing, thus improving safety and service life.
Patent Information
- Application Number
- CN202520328539.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
When existing explosion-proof acetylene gas transport automatic control valves are used for a long time, the sealing rings may be damaged due to excessive friction, leading to sealing failure and acetylene gas leakage that cannot be detected in time, posing a safety hazard.
It adopts a multi-layer sealing ring design, including a first sealing ring, a second sealing ring, and a third sealing ring. Combined with a pressure sensor to monitor the air pressure in real time, the valve seat is lowered by a hydraulic rod to realize the automatic replacement of the sealing rings, ensuring the sealing effect.
This technology enables timely detection and resealing when the sealing ring is damaged, improving safety and service life, and reducing the risk of acetylene gas leakage.
Smart Images

Figure CN223855405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automatic control valve door technical field, especially to prevent explosion acetylene gas transportation automatic control valve door. BACKGROUND
[0002] Acetylene is an organic compound, commonly known as wind coal or calcium carbide gas, is the smallest member in alkyne compound, colorless gas at room temperature and normal pressure, slightly soluble in water, soluble in ethanol, acetone, chloroform, benzene, miscible in diethyl ether, is one of important raw materials of organic synthesis, also is monomer of synthetic rubber, synthetic fiber and plastic, also can be used for oxyacetylene welding and cutting, acetylene is generally stored and transported by explosion-proof bottle, and the automatic control valve door is generally installed on the explosion-proof bottle, the automatic control valve door structure is valve body, upper valve cover, valve inner assembly etc., its principle is to use electric, pneumatic, hydraulic or electromagnetic drive outside the human power to control the valve, and the valve automation application is increasingly widespread in chemical industry, papermaking, food, medicine, power plant, steel plant, city and drainage, gas department, since the need for large-scale accurate flow control,
[0003] The existing explosion-proof acetylene gas transportation automatic control valve door can be damaged due to too many friction times when being used for a long time, so that the sealing ring cannot be sealed, acetylene gas leakage occurs, and the gas leakage condition cannot be known in the first time, which is easy to cause safety hazards to surrounding workers. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of explosion-proof acetylene gas transportation automatic control valve doors, including gas storage bottle main body, the inside of the gas storage bottle main body is equipped with storage cavity, the top of the gas storage bottle main body is equipped with sealing seat, the inside of the sealing seat is equipped with hydraulic rod, the output end of the hydraulic rod is equipped with valve seat, the outer side wall of the valve seat is sequentially equipped with first sealing ring, second sealing ring and third sealing ring from top to bottom, the inside of the storage cavity extends to the inside of sealing seat and is equipped with gas outlet groove, the inner side wall of the gas outlet groove is sequentially equipped with first sealing groove and second sealing groove from top to bottom, the outer side wall of the sealing seat is equipped with gas pressure sensor.
[0005] To achieve the above object, the utility model adopts the following technical scheme:
[0006] An explosion-proof acetylene gas transportation automatic control valve door, including gas storage bottle main body, the inside of the gas storage bottle main body is equipped with storage cavity, the top of the gas storage bottle main body is equipped with sealing seat, the inside of the sealing seat is equipped with hydraulic rod, the output end of the hydraulic rod is equipped with valve seat, the outer side wall of the valve seat is sequentially equipped with first sealing ring, second sealing ring and third sealing ring from top to bottom, the inside of the storage cavity extends to the inside of sealing seat and is equipped with gas outlet groove, the inner side wall of the gas outlet groove is sequentially equipped with first sealing groove and second sealing groove from top to bottom, the outer side wall of the sealing seat is equipped with gas pressure sensor.
[0007] The gas outlet groove is in communication with the inside of the storage cavity, and the bottom of the gas storage bottle body is provided with a stabilizing disc.
[0008] The technical effect of the further scheme is that the acetylene gas in the storage cavity can enter the gas outlet groove, and the stabilizing disc can support and stabilize the gas storage bottle body.
[0009] The first sealing ring, the second sealing ring and the third sealing ring are all made of rubber material.
[0010] The technical effect of the further scheme is that the first sealing ring, the second sealing ring and the third sealing ring made of rubber material have good sealing effect and long service life.
[0011] The first sealing ring is matched with the first sealing groove, the second sealing ring is matched with the second sealing groove, and the third sealing ring is matched with the gas outlet groove.
[0012] The technical effect of the further scheme is that the first sealing ring, the second sealing ring and the third sealing ring can be better sealed.
[0013] The outer side wall of the sealing seat is provided with a gas outlet pipe corresponding to the gas outlet groove, the gas outlet pipe is in communication with the gas outlet groove, the inside of the sealing seat is provided with a mounting groove corresponding to the hydraulic rod, and the mounting groove is matched with the hydraulic rod.
[0014] The technical effect of the further scheme is that the acetylene gas in the storage cavity can be sent out through the gas outlet pipe, and the hydraulic rod can be installed more conveniently through the design of the mounting groove.
[0015] The gas pressure sensor extends to the inside of the gas outlet groove, so that the gas pressure sensor measures the gas pressure in the storage cavity in the inside of the gas outlet groove.
[0016] The technical effect of the further scheme is that the gas pressure sensor can monitor the gas pressure in the storage cavity in real time, so that the damage of the sealing ring can be found quickly.
[0017] Compared with the prior art, the utility model has the advantages of:
[0018] The utility model discloses a first sealing groove, second sealing groove, first sealing ring, second sealing ring, third sealing ring and the design of air pressure sensor, can drive valve seat to descend and drive third sealing ring to carry out sealing to air outlet groove when sealing, and when third sealing ring breaks, air pressure sensor can directly detect that the air pressure in storage cavity reduces, thereby can know third sealing ring breakage, at this moment, hydraulic rod can drive valve seat to continue descending, and second sealing ring can be clamped into second sealing groove to carry out sealing, and after second sealing ring breaks, hydraulic rod can drive first sealing ring to be clamped into first sealing groove again to carry out sealing again, can know gas leakage in first time, and can effectively carry out secondary sealing after gas leakage, and the service life of surrounding staff's safety and explosion -proof acetylene gas transportation automatic control valve has been improved greatly. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 It is whole structure schematic diagram of explosion -proof acetylene gas transportation automatic control valve provided by the utility model;
[0020] Fig. 2 It is whole structure side view of explosion -proof acetyylene gas transportation automatic control valve provided by the utility model;
[0021] Fig. 3 It is A structure enlarged schematic diagram of explosion -proof acetylene gas transportation automatic control valve provided by the utility model.
[0022] Legend: 1, gas storage bottle main part;101, storage cavity;102, air outlet groove;103, first sealing groove;104, second sealing groove;105, stabilizing disc;2, sealing seat;201, hydraulic rod;202, valve seat;203, first sealing ring;204, second sealing ring;205, third sealing ring;206, air outlet pipe;207, mounting groove;3, air pressure sensor. DETAILED DESCRIPTION
[0023] The technical scheme in the embodiments of the utility model will be apparently, apparently, only some embodiments of the utility model are described, and not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.
[0024] In order to facilitate understanding the utility model, the utility model will be described more fully with reference to relevant, given several embodiments of the utility model, but, the utility model can be realized in many different forms, and is not limited to the embodiments described in the paper, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0025] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is described as being "connected" or "coupled" to another element, it can be directly connected or coupled or intervening elements can be present. The term "vertical", "horizontal", "left", "right" and similar terms are used herein only to facilitate description of the embodiments, and do not connote or depend on any particular orientation.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. All publications, patent applications, patents and other references mentioned herein are incorporated by reference in their entirety.
[0027] Embodiment 1
[0028] As shown in Figs. 1-3 The utility model provides a kind of technical scheme: a kind of anti-explosion acetylene gas transport automatic control valve, including gas storage bottle main body 1, the inside of gas storage bottle main body 1 is equipped with storage cavity 101, the inside of storage cavity 101 can store acetylene gas, the top of gas storage bottle main body 1 is equipped with sealing seat 2, the inside of sealing seat 2 is equipped with hydraulic rod 201, the output end of hydraulic rod 201 is equipped with valve seat 202, hydraulic rod 201 can drive valve seat 202 to descend, first sealing ring 203, second sealing ring 204 and third sealing ring 205 are sequentially set on the outer side wall of valve seat 202 from top to bottom, the inside of storage cavity 101 extends to the inside of sealing seat 2 and is equipped with gas outlet groove 102, first sealing groove 103 and second sealing groove 104 are sequentially equipped on the inner side wall of gas outlet groove 102 from top to bottom, first sealing ring 203 can be clamped in the inside of first sealing groove 103, second sealing ring 204 can be clamped in the inside of second sealing groove 104, third sealing ring 205 can seal gas outlet groove 102, gas pressure sensor 3 is installed on the outer side wall of sealing seat 2, and gas pressure sensor 3 can monitor the gas pressure in the inside of storage cavity 101 in real time.
[0029] Embodiment 2
[0030] As shown in Figs. 1-3 Gas outlet groove 102 is communicated with the inside of storage cavity 101, and the bottom of gas storage bottle main body 1 is equipped with stabilizing disc 105, so that acetylene gas in the inside of storage cavity 101 can enter into gas outlet groove 102, and stabilizing disc 105 can support and stabilize gas storage bottle main body 1.
[0031] The first sealing ring 203, the second sealing ring 204 and the third sealing ring 205 are made of rubber material, and the first sealing ring 203, the second sealing ring 204 and the third sealing ring 205 made of rubber material have good sealing effect and long service life.
[0032] The first sealing ring 203 is matched with the first sealing groove 103, the second sealing ring 204 is matched with the second sealing groove 104, and the third sealing ring 205 is matched with the air outlet groove 102, so that the first sealing ring 203, the second sealing ring 204 and the third sealing ring 205 can be better sealed.
[0033] An air outlet pipe 206 is installed on the outer side wall of the sealing seat 2 corresponding to the air outlet groove 102, the air outlet pipe 206 is communicated with the air outlet groove 102, an installation groove 207 is arranged in the sealing seat 2 corresponding to the hydraulic rod 201, the installation groove 207 is matched with the hydraulic rod 201, the air outlet pipe 206 is communicated with the air outlet groove 102, so that the acetylene gas in the storage cavity 101 can be sent out through the air outlet pipe 206, and the installation groove 207 can make the installation of the hydraulic rod 201 more convenient.
[0034] The air pressure sensor 3 extends to the inside of the air outlet groove 102, so that the air pressure sensor 3 can measure the air pressure in the storage cavity 101, the air pressure sensor 3 extends to the inside of the air outlet groove 102, so that the air pressure sensor 3 can monitor the air pressure in the storage cavity 101 in real time, so that the damage of the sealing ring can be found quickly.
[0035] The utility model discloses a work flow: when using the one kind anti -explosion acetylene gas transportation automatic control valve to seal, first staff can control hydraulic stem 201 drive valve seat 202 to descend, can drive third sealing ring 205 to enter to the inside of gas outlet groove 102 when valve seat 202 descend, can seal to gas outlet groove 102, and when third sealing ring 205 breakage, gas will leak, thereby making gas pressure sensor 3 can directly detect the gas pressure reduction in storage cavity 101 inside, thereby can know third sealing ring 205 breakage, at this time hydraulic stem 201 will drive valve seat 202 to continue to descend and second sealing ring 204 can be clamped into second sealing groove 104, to seal, prevent gas to continue to leak, and when second sealing ring 204 still breakage in subsequent use, hydraulic stem 201 will again open drive first sealing ring 203 and be clamped into first sealing groove 103, to seal again, compared with the anti -explosion acetylene gas transportation automatic control valve of prior art, can know gas leakage in first time, and can effectively carry out secondary sealing after gas leakage, the security of surrounding staff and the service life of anti -explosion acetylene gas transportation automatic control valve are improved greatly.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An explosion-proof acetylene gas transport automatic valve comprising a gas storage bottle main body (1), characterized in that: The inside of the gas storage bottle body (1) is provided with a storage cavity (101), the top end of the gas storage bottle body (1) is provided with a sealing seat (2), the inside of the sealing seat (2) is provided with a hydraulic rod (201), the output end of the hydraulic rod (201) is provided with a valve seat (202), the outer side wall of the valve seat (202) is sequentially sleeved from top to bottom with a first sealing ring (203), a second sealing ring (204) and a third sealing ring (205), the inside of the storage cavity (101) extends to the inside of the sealing seat (2) and is provided with a gas outlet groove (102), the inner side wall of the gas outlet groove (102) is sequentially provided from top to bottom with a first sealing groove (103) and a second sealing groove (104), and the outer side wall of the sealing seat (2) is provided with a gas pressure sensor (3).
2. The explosion-proof acetylene gas transport automatic control valve according to claim 1, characterized in that: The gas outlet groove (102) is connected with the inside of the storage cavity (101), and the bottom of the gas storage bottle body (1) is provided with a stabilizing disc (105).
3. The explosion-proof acetylene gas transport automatic control valve according to claim 1, characterized in that: The first sealing ring (203), the second sealing ring (204) and the third sealing ring (205) are all made of rubber.
4. The explosion-proof acetylene gas transport automatic control valve according to claim 1, characterized in that: The first sealing ring (203) is matched with the first sealing groove (103), the second sealing ring (204) is matched with the second sealing groove (104), and the third sealing ring (205) is matched with the gas outlet groove (102).
5. The explosion-proof acetylene gas transport automatic control valve according to claim 1, characterized in that: The outer side wall of the sealing seat (2) is provided with a gas outlet pipe (206) corresponding to the gas outlet groove (102), the gas outlet pipe (206) is connected with the gas outlet groove (102), the inside of the sealing seat (2) is provided with a mounting groove (207) corresponding to the hydraulic rod (201), and the mounting groove (207) is matched with the hydraulic rod (201).
6. The explosion-proof acetylene gas transport automatic control valve according to claim 1, characterized in that: The gas pressure sensor (3) extends to the inside of the gas outlet groove (102), so that the gas pressure sensor (3) measures the gas pressure in the inside of the storage cavity (101) in the inside of the gas outlet groove (102).