One-way valve for hydrogen-oxygen mixed gas
By introducing a sealing mechanism and an electrostatic conduction structure into the check valve, the problems of easy wear and static accumulation of traditional check valves are solved, and higher sealing and safety are achieved.
Patent Information
- Application Number
- CN202422557094.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-23
AI Technical Summary
Traditional check valves are prone to wear and cause deterioration of sealing performance in hydrogen and oxygen mixed gas systems, and lack an electrostatic conduction structure, which poses a risk of fire and explosion.
A check valve containing a sealing mechanism and an electrostatic conduction structure is designed to achieve secondary sealing through a rubber plug, and the electrostatic conduction block and grounding end are used to eliminate static accumulation.
Improves the sealing effect, prevents equipment damage, eliminates the cumulative risk of static electricity, and improves safety.
Smart Images
Figure CN223191075U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of one-way valves, specifically a one-way valve for hydrogen-oxygen mixed gas. Background Art
[0002] When the oxyhydrogen generator produces gas, it outputs at normal pressure. Once backfire occurs in the front or other pressure increases occur, the hydrogen and oxygen mixture in the pipeline will flow back into the equipment due to the sudden high pressure, which can easily cause equipment damage. In order to further improve the safety of the oxyhydrogen generator during use, a one-way valve is generally installed in the pipeline to allow the mixed gas to be smoothly output to the outside and prevent the mixed gas from flowing back in unexpected situations to prevent equipment damage.
[0003] At present, the traditional one-way valve has a simple structure, and its interior is generally composed of a valve core and a sealing ring. It has only one layer of sealing. During long-term use, the valve core drives the sealing ring to move, and the sealing ring will be worn, resulting in a decrease in its sealing performance. When the mixed gas flows back, the anti-backflow effect will decrease. At the same time, the traditional one-way valve lacks a structure to conduct static electricity. During the long-term use of the one-way valve, static electricity is likely to accumulate. When the static electricity accumulates to a certain level, hydrogen and oxygen gas transportation is prone to fire or explosion, and the safety is low. Utility Model Content
[0004] The purpose of the present invention is to provide a one-way valve for hydrogen-oxygen mixed gas to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: comprising a shell, a valve core is arranged inside the shell, a base is threadedly connected to the bottom of the shell, an annular block is arranged inside the valve core, a sealing mechanism is arranged on the top of the annular block, an electrostatic guide seat is embedded in the surface of the shell, an electrostatic guide block is bolted to the surface of the valve core, the electrostatic guide seat and the electrostatic guide block are slidably connected, and a grounding terminal bolted to the electrostatic guide seat is provided on the surface of the shell.
[0006] In a further embodiment, the sealing mechanism includes a support plate, a rubber plug is bonded to the top of the support plate, and a sliding limit rod slidably connected to the annular block is fixedly sleeved on the bottom of the support plate.
[0007] In a further embodiment, an anti-tempering sealing ring is sleeved on the surface of the valve core, and a first annular groove body for use with the anti-tempering sealing ring is opened on the valve core.
[0008] In a further embodiment, a connection sealing ring is sleeved on the surface of the base, and a second annular groove body for use with the connection sealing ring is opened on the base.
[0009] In a further embodiment, the valve core is provided with air outlet slots, and the number of the air outlet slots is four.
[0010] In a further embodiment, the valve core is provided with air inlet slots, and the number of the air inlet slots is four.
[0011] In a further embodiment, a support block is symmetrically bolted to the surface of the annular block, and the support block is bolted to the inner wall of the valve core.
[0012] In a further embodiment, a return spring sleeved with the sliding limit rod is provided on the top of the annular block, and the return spring is used in conjunction with the support plate.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] 1. The utility model is designed with a sealing mechanism inside the valve core. When gas backflow occurs, the valve core is pushed by the gas to drive the rubber plug on the support plate to move upward, so that the rubber plug contacts and seals with the air inlet port of the shell, thereby achieving the purpose of secondary sealing, preventing the anti-backflow effect from being deteriorated due to wear of the anti-backfire sealing ring, and improving practicality.
[0015] 2. The utility model has an electrostatic guide block installed on the valve core and an electrostatic guide seat slidably connected to the electrostatic guide block installed on the outer shell. When the one-way valve is used for a long time, the accumulated static electricity generated can be transferred to the grounding terminal through the electrostatic guide block and the electrostatic guide seat. The static electricity accumulation can be eliminated by grounding the grounding terminal, thereby preventing fire and explosion and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;
[0017] Figure 2 This is a cross-sectional view of the structure of an embodiment of the utility model;
[0018] Figure 3 For this utility model Figure 2 A is an enlarged view.
[0019] In the figure: 1. Housing; 2. Valve core; 3. Base; 4. Ring block; 5. Sealing mechanism; 51. Support plate; 52. Rubber plug; 53. Sliding limit rod; 6. Electrostatic guide seat; 7. Electrostatic guide block; 8. Grounding terminal; 9. Anti-tempering sealing ring; 10. Connecting sealing ring; 11. Air outlet slot; 12. Air inlet slot; 13. Support block; 14. Reset spring. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] Example 1
[0022] See also Figure 1 、 Figure 2 and Figure 3As shown, a one-way valve for hydrogen and oxygen mixture includes a shell 1, a valve core 2 is provided inside the shell 1, a base 3 is threadedly connected to the bottom of the shell 1, an annular block 4 is provided inside the valve core 2, and a sealing mechanism 5 is provided on the top of the annular block 4. The sealing mechanism 5 includes a support plate 51, a rubber plug 52 is bonded to the top of the support plate 51, and a sliding limit rod 53 is fixedly sleeved on the bottom of the support plate 51 and slidably connected to the annular block 4. By providing the support plate 51, the rubber plug 52 and the sliding limit rod 53, when the gas reverse flow drives the valve core 2 to rise, the valve core 2 drives the rubber on the support plate 51 to move upward. The plug 52 rises, and the rubber plug 52 contacts the air inlet port of the shell 1 to seal the air inlet port of the shell 1. The surface of the valve core 2 is provided with an anti-tempering sealing ring 9, and the valve core 2 is provided with a first annular groove body used in conjunction with the anti-tempering sealing ring 9. By providing the anti-tempering sealing ring 9, when the gas reverses and drives the valve core 2 to rise, the valve core 2 and the shell 1 are sealed through the anti-tempering sealing ring 9. The surface of the base 3 is provided with a connecting sealing ring 10, and the base 3 is provided with a second annular groove body used in conjunction with the connecting sealing ring 10. By providing the connecting sealing ring 10, the base 3 and the shell are improved. 1, an air outlet slot 11 is provided on the valve core 2, and the number of the air outlet slots 11 is four. By setting the air outlet slot 11, it is convenient for the mixed gas between the shell 1 and the valve core 2 to enter the inside of the valve core 2, and then be discharged through the valve core 2. An air inlet slot 12 is provided on the valve core 2, and the number of the air inlet slot 12 is four. By setting the air inlet slot 12, it is convenient for the mixed gas output by the gas transmission equipment to enter between the valve core 2 and the shell 1. The surface of the annular block 4 is symmetrically bolted with a support block 13, and the support block 13 is bolted to the inner wall of the valve core 2. By setting the support block 13, the annular block 4 is supported The top of the annular block 4 is provided with a return spring 14 which is sleeved with the sliding limit rod 53. The return spring 14 is used in conjunction with the support plate 51. By setting the return spring 14, an upward support and return force is provided for the support plate 51. A sealing mechanism 5 is designed inside the valve core 2. When gas backflow occurs, the valve core 2 is pushed by the gas to drive the rubber plug 52 on the support plate 51 to move upward, so that the rubber plug 52 contacts and seals with the air inlet port of the shell 1, thereby achieving the purpose of secondary sealing, preventing the anti-backfire sealing ring 9 from being worn and causing the anti-backflow effect to deteriorate, thereby improving practicality.
[0023] Brief description of the usage process: A sealing mechanism 5 is designed inside the valve core 2. When gas backflow occurs, the valve core 2 is pushed by the gas to drive the rubber plug 52 on the support plate 51 to move upward, so that the rubber plug 52 contacts and seals the air inlet port of the shell 1, achieving the purpose of secondary sealing, preventing the anti-backflow effect from being deteriorated due to wear of the anti-backfire sealing ring 9, and improving practicality.
[0024] See also Figure 2As shown, a one-way valve for hydrogen and oxygen mixture is provided, wherein an electrostatic guide seat 6 is embedded in the surface of the shell 1, an electrostatic guide block 7 is bolted to the surface of the valve core 2, the electrostatic guide seat 6 and the electrostatic guide block 7 are slidably connected, and a grounding terminal 8 bolted to the electrostatic guide seat 6 is provided on the surface of the shell 1. By installing the electrostatic guide block 7 on the valve core 2 and installing the electrostatic guide seat 6 slidably connected to the electrostatic guide block 7 on the shell 1, when the one-way valve is used for a long time, the static electricity accumulated can be transferred to the grounding terminal 8 through the electrostatic guide block 7 and the electrostatic guide seat 6. The static electricity accumulation can be eliminated by grounding the grounding terminal 8, thereby preventing fire and explosion and improving safety.
[0025] Brief description of the usage process: Ground the grounding terminal 8, install an electrostatic guide block 7 on the valve core 2, and install an electrostatic guide seat 6 that is slidably connected to the electrostatic guide block 7 on the outer shell 1. When the one-way valve is used for a long time, the accumulated static electricity generated can be transferred to the grounding terminal 8 through the electrostatic guide block 7 and the electrostatic guide seat 6. Grounding the grounding terminal 8 can eliminate the accumulated static electricity, prevent fire and explosion, and improve safety.
[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A one-way valve for hydrogen-oxygen mixture, comprising a housing (1), characterized in that: A valve core (2) is provided inside the housing (1), a base (3) is threadedly connected to the bottom of the housing (1), an annular block (4) is provided inside the valve core (2), a sealing mechanism (5) is provided on the top of the annular block (4), an electrostatic guide seat (6) is embedded in the surface of the housing (1), an electrostatic guide block (7) is bolted to the surface of the valve core (2), the electrostatic guide seat (6) and the electrostatic guide block (7) are slidably connected, and a grounding terminal (8) bolted to the electrostatic guide seat (6) is provided on the surface of the housing (1).
2. A one-way valve for hydrogen and oxygen mixed gas according to claim 1, characterized in that: The sealing mechanism (5) comprises a support plate (51), a rubber plug (52) is bonded to the top of the support plate (51), and a sliding limit rod (53) is fixedly sleeved on the bottom of the support plate (51) and is slidably connected to the annular block (4).
3. A one-way valve for hydrogen-oxygen mixed gas according to claim 1, characterized in that: The surface of the valve core (2) is sleeved with an anti-backfire sealing ring (9), and the valve core (2) is provided with a first annular groove body used in conjunction with the anti-backfire sealing ring (9).
4. A one-way valve for hydrogen-oxygen mixed gas according to claim 1, characterized in that: The surface of the base (3) is sleeved with a connecting sealing ring (10), and the base (3) is provided with a second annular groove body used in conjunction with the connecting sealing ring (10).
5. The one-way valve for hydrogen-oxygen mixed gas according to claim 1, characterized in that: The valve core (2) is provided with air outlet slots (11), and the number of the air outlet slots (11) is four.
6. A one-way valve for hydrogen-oxygen mixed gas according to claim 1, characterized in that: The valve core (2) is provided with air inlet slots (12), and the number of the air inlet slots (12) is four.
7. The one-way valve for hydrogen-oxygen mixed gas according to claim 1, characterized in that: A support block (13) is symmetrically bolted to the surface of the annular block (4), and the support block (13) is bolted to the inner wall of the valve core (2).
8. The one-way valve for hydrogen-oxygen mixed gas according to claim 2, characterized in that: A return spring (14) sleeved with the sliding limit rod (53) is provided on the top of the annular block (4), and the return spring (14) is used in conjunction with the support plate (51).