CN219588374U - Connecting device for gas transmission - Google Patents
Connecting device for gas transmission Download PDFInfo
- Publication number
- CN219588374U CN219588374U CN202321318435.1U CN202321318435U CN219588374U CN 219588374 U CN219588374 U CN 219588374U CN 202321318435 U CN202321318435 U CN 202321318435U CN 219588374 U CN219588374 U CN 219588374U
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- China
- Prior art keywords
- valve
- connecting sleeve
- plug
- gas transmission
- mounting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a connecting device for gas transmission, which comprises a plug component and a socket component, wherein the plug component is movably connected with the socket component, the socket component comprises a connecting seat, a connecting sleeve, a unidirectional conveying switch component and a gas nozzle, the connecting sleeve, the unidirectional conveying switch component and the gas nozzle are all arranged on the connecting seat, a mounting channel is arranged on the connecting seat, a guide section of the connecting sleeve is embedded in the mounting channel, one end of the gas nozzle is embedded in the mounting channel, the unidirectional conveying switch component is all positioned in the mounting channel, the plug component is inserted into the connecting sleeve and is movably connected through threads, and a pushing component for pushing an operating part is arranged in the plug component. The connecting device for gas transmission can be configured on the surface of the generator and used as an accessory for matching with a gas transmission pipe on a gas transmission line to complete the gas transmission function, and the disassembly and assembly of the gas transmission line can be conveniently realized.
Description
Technical Field
The utility model relates to a connecting device for gas transmission.
Background
On the portable oil-gas dual-purpose variable frequency generator, the used fuel can be gasoline or flammable gas, namely fuel gas, such as butane gas. Because the volume of the generator is limited, only the oil tank is arranged in the generator, so that fuel gas can be provided for the generator only through an external gas tank. When the fuel gas is used, one end of the gas pipe is required to be used for butt joint with the gas tank, and the other end of the gas pipe is required to be used for butt joint with the generator; when gasoline is used as fuel, the connection relation between the gas pipe and the generator or the gas tank is disconnected, and finally the gas tank is separated from the generator. The operation of attaching and detaching the gas pipe is involved in the replacement operation using gasoline as fuel and using gas as fuel. The connection position of the gas pipe and the generator is hidden, the manual operation is hindered, the clamp for fixing the gas pipe is assembled by a screw driver, the clamp is of an annular structure, the head end and the tail end of the clamp are fastened by bolts, the position of the clamp is fixed by hands when the clamp is adjusted, otherwise, the clamp can slip on the gas pipe after the screw driver applies force to the bolts on the clamp; the staff has no enough operation condition in the area close to the generator, the staff can not easily limit the clamp, the clamp can only operate in a small amplitude through the screwdriver, the state that the clamp clamps the air pipe is finally released, the air pipe is separated from the air inlet pipe on the generator, or the state that the clamp clamps the air pipe is established, and the air pipe is conveniently fixed on the air inlet pipe of the generator. Although the connection position of the air pipe and the air tank can be in an open environment, two-hand operation is still required to screw the screwdriver to adjust the clamp. Therefore, the attaching and detaching operation is troublesome.
Disclosure of Invention
The utility model aims to solve the technical problem of simplifying the disassembly and assembly operation of a gas transmission line, thereby obtaining the connecting device for gas transmission.
In order to solve the technical problems, the utility model adopts the following technical scheme: the connecting device for gas transmission comprises a plug part and a socket part, wherein the plug part is movably connected with the socket part, the socket part comprises a connecting seat, a connecting sleeve, a unidirectional conveying switch assembly and a gas nozzle I, the connecting sleeve, the unidirectional conveying switch assembly and the gas nozzle I are all arranged on the connecting seat, a mounting channel is arranged on the connecting seat, the unidirectional conveying switch assembly is positioned between the connecting sleeve and the gas nozzle I, the connecting sleeve is fixedly connected with the connecting seat and is in sealing connection with the connecting seat, the connecting sleeve comprises a connecting section and a guiding section, a through hole is arranged on the connecting sleeve, the aperture of the connecting section is larger than that of the guiding section, the guiding section of the connecting sleeve is embedded in the mounting channel, one end of the gas nozzle I is embedded in the mounting channel and the gas nozzle I is fixedly connected with the connecting seat, the unidirectional conveying switch assembly is all positioned in the mounting channel, the unidirectional transportation switch component comprises a spring, a valve and a sealing ring I, wherein the valve is provided with a supporting part, a mounting part, a connecting part and an operating part, the supporting part is arranged between the mounting part and the connecting part, the diameter of the mounting part and the diameter of the connecting part are smaller than those of the supporting part, one end of the spring is movably connected with the air tap I, the other end of the spring is connected with the valve and the connecting part is embedded in the spring, the mounting part is provided with a mounting groove which surrounds the central line of the valve, the sealing ring I is arranged on the valve and is positioned in the mounting groove, the diameter of the mounting part is smaller than that of the through hole at the guide section, the outer diameter of the sealing ring I is larger than that of the through hole at the guide section, the valve is in sealing connection with the guide section of the connecting sleeve through the sealing ring I, the connecting sleeve is internally provided with a sealing ring II, the plug part is of a tubular structure, the plug part is inserted into the connecting sleeve and is movably connected with the connecting seat through threads, the plug part is also in sealing connection with the connecting seat through a sealing ring II, the plug part is internally communicated with the socket part, an air tap II is installed at one end of the plug part, a limiting protrusion used for blocking the supporting part is arranged on the connecting seat, the limiting protrusion stretches into the mounting channel, the limiting protrusion faces the position of the connecting part, the limiting protrusion is intersected with the movement range of the supporting part in the connecting seat, a gas transmission gap is formed between the mounting part and the guiding section, the operating part is positioned at one end of the mounting part and stretches into the connecting section, and a pushing part pushing the operating part is arranged inside the plug part.
The connecting device for gas transmission is used as an accessory, and can conveniently connect or disconnect the two gas transmission pipes when being matched with the gas transmission pipes. The plug part and the socket part are detachably connected, and only the plug part is required to be screwed to be separated from the socket part or combined with the socket part. The socket component can be arranged on the shell of the generator and is positioned in an open area; the socket part is connected with the generator through a gas pipe which can be reserved on the generator. The plug component is connected with the gas tank through a gas pipe. The plug part is connected with the gas pipe, the diameter of the plug part can be conveniently made into a thick structure larger than that of the gas pipe, and when the plug part is used, the plug part can be screwed by one hand so as to be separated from or combined with the socket part. Thus, the gas tank and the generator can be conveniently separated or communicated.
When the plug component and the socket component are separated from each other, the interior of the socket component is in an off state due to the unidirectional conduction effect of the unidirectional transmission switch assembly. When the plug component is combined with the socket component, the pushing component can push the valve to move towards the direction of the compression spring, so that the sealing connection relation between the valve and the connecting sleeve is relieved, and the inside of the connecting sleeve is promoted to be communicated with the air tap I.
In order to ensure that the sealing ring I plays a better role in sealing, the mounting groove is positioned at the end, connected with the supporting part, of the mounting portion, one side of the mounting groove is the surface of the supporting part, and the supporting part and the guiding section clamp the sealing ring I.
In order to make the supporting part of the valve be uniformly stressed and also to make the air flow pass through the valve more easily and stably, the limiting protrusions are annularly distributed around the central line of the valve at equal angles.
The utility model adopts the technical scheme that: the connecting device for gas transmission can be configured on the surface of the generator and used as an accessory for matching with a gas transmission pipe on a gas transmission line to complete the gas transmission function, and the disassembly and assembly of the gas transmission line can be conveniently realized.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic illustration I of the use of a gas delivery connection device according to the present utility model;
FIG. 2 is a schematic diagram II of a gas delivery connection device according to the present utility model;
FIG. 3 is a schematic view of a connecting seat of a connecting device for gas transmission according to the present utility model;
FIG. 4 is a schematic view of a valve structure of a gas transmission connection device according to the present utility model;
fig. 5 is a schematic structural view of a connecting sleeve of a gas transmission connecting device according to the present utility model.
Detailed Description
As shown in fig. 1 and 2, the gas transmission connection device includes two parts, one part being a plug member 1 and the other part being a socket member. The two can be combined together to be used as a part of a gas transmission line, and can also be split to exist independently. The plug part 1 and the socket part can be movably connected.
As shown in fig. 1, 2, 3, 4 and 5, the socket component comprises a connecting seat 2, a connecting sleeve 3, a unidirectional conveying switch assembly and an air tap I14. The connecting sleeve 3, the unidirectional conveying switch assembly and the air tap I14 are all arranged on the connecting seat 2, and the unidirectional conveying switch assembly is positioned between the connecting sleeve 3 and the air tap I14.
The connecting seat 2 is provided with an installation channel. The connecting sleeve 3 is fixedly connected with the connecting seat 2 in an interference fit manner. As shown in fig. 5, the connecting sleeve 3 is of a tubular structure as a whole, and is internally provided with a through hole, and comprises a connecting section 4 and a guiding section 5. The whole connecting sleeve 3 is positioned in the mounting channel, and the guide section 5 of the connecting sleeve 3 is necessarily embedded in the mounting channel after assembly. The length of the connecting section 4 is larger than that of the guiding section 5, the aperture of the connecting section 4 is larger than that of the guiding section 5, the outer diameter of the guiding section 5 is smaller than that of the connecting section 4, and the connecting sleeve 3 is of a convex outer structure as a whole. As shown in fig. 1, a sealing ring iii 17 is provided on the connection base 2, and a part of the connection sleeve 3 which is located at the transition between the connection section 4 and the guide section 5 and is stretched in a direction perpendicular to the center line of the connection sleeve 3 is connected with the connection base 2 in a sealing manner by the sealing ring iii 17. The through hole inside the connecting sleeve 3 is communicated with the mounting channel.
The air tap I14 is also of a tubular structure, one end of the air tap I14 is embedded in the installation channel, and the air tap I14 is connected with the connecting seat 2 through threads, so that the air tap I14 is fixedly connected with the connecting seat 2. The other end of the air tap I14 is positioned outside the connecting seat 2 and is used for being connected with an air pipe. The inside of the air tap I14 is communicated with the installation channel.
The unidirectional transport switch assembly is entirely located within the mounting channel. The unidirectional conveying switch assembly comprises a spring 6, a valve 7 and a sealing ring I13.
As shown in fig. 4, the valve 7 includes a connection portion 8, a support portion 9, a mounting portion 10, and an operation portion 12. The connecting part 8, the supporting part 9, the mounting part 10 and the operating part 12 are sequentially distributed along the central line of the valve 7, namely the supporting part 9 is positioned between the mounting part 10 and the connecting part 8, and the mounting part 10 is positioned between the supporting part 9 and the operating part 12; the connecting part 8 is positioned at one end of the valve 7, and the operating part 12 is positioned at the other end of the valve 7; this is also to be understood that the operating portion 12 is located at one end of the mounting portion 10. The diameter of the connecting portion 8, the diameter of the mounting portion 10, and the diameter of the operating portion 12 are smaller than the diameter of the supporting portion 9. The valve 7 is combined with the connecting sleeve 3, and the operating part 12 passes through the guide section 5 and extends into the connecting section 4; the diameter of the mounting part 10 is smaller than the diameter of the through hole at the guide section 5, the mounting part 10 extends into the through hole and a gas transmission gap is formed between the mounting part 10 and the guide section 5. The spring 6 is located between air cock I14 and valve 7, and the one end of spring 6 is with air cock I14 swing joint in extrusion mode, and the other end of spring 6 also is with the supporting part 9 swing joint of valve 7 in extrusion mode and connecting portion 8 embedding in spring 6. After the installation, the supporting part 9 is not contacted with the connecting seat 2, and a gas transmission gap is formed between the supporting part and the connecting seat; the spring 6 is in a compressed state, and in a natural state, the spring 6 always pushes the valve 7 towards the position where the connecting sleeve 3 is located.
The mounting portion 10 is provided with a mounting groove 11 around the centre line of the valve 7, which mounting groove 11 is located at the end of the mounting portion 10 connected to the support portion 9. The bottom and one side of the mounting groove 11 are formed by the surface of the mounting portion 10, and the other side of the mounting groove 11 is formed by the surface of the supporting portion 9. The sealing ring I13 is arranged on the valve 7 and is positioned in the mounting groove 11. The outer diameter of the sealing ring I13 is larger than the diameter of the through hole at the guide section 5, in an initial state, the supporting part 9 of the valve 7 can press the sealing ring I13 towards the position of the connecting sleeve 3, and then the sealing ring I13 is clamped by the supporting part 9 and the guide section 5, so that the valve 7 is in sealing connection with the guide section 5 of the connecting sleeve 3 through the sealing ring I13; the inside of the air tap I14 is always communicated with the area where the unidirectional conveying switch assembly is located, but the inside of the air tap I14 is isolated from the inside of the connecting sleeve 3. The valve 7 is in sealing connection with the connecting sleeve 3, so that a disconnection effect is formed inside the socket part, and the inside of the air nozzle I14 is not communicated with the through hole of the connecting sleeve 3; if the valve 7 is pushed to move in a direction away from the connecting sleeve 3, a communication effect is formed inside the socket part when the sealing connection relation between the valve 7 and the connecting sleeve 3 is released, so that the inside of the air nozzle I14 is communicated with the through hole of the connecting sleeve 3; thereby forming an on-off function of the socket part.
In order to limit the displacement of the valve 7 away from the connecting sleeve 3, the connecting seat 2 is provided with limiting protrusions 15 for blocking the supporting portion 9, as shown in fig. 1 and 3, the limiting protrusions 15 are annularly distributed around the central line of the valve 7 at equal angles, adjacent limiting protrusions 15 are spaced apart, and although the limiting protrusions 15 extend into the mounting channel and the limiting protrusions 15 face the position of the connecting portion 8, the limiting protrusions 15 are not in contact with the spring 6. After the valve 7 is pushed, the supporting portion 9 is blocked by the limiting protrusion 15, so that the limiting protrusion 15 intersects with the movement range of the supporting portion 9 in the connecting seat 2. The limiting protrusion 15 can limit the movement range of the valve 7, and avoid the valve 7 from being far away from the connecting sleeve 3 excessively.
The connecting sleeve 3 is provided with a sealing ring II 16 inside the guiding section 5. The plug component 1 is of a tubular structure, a pushing piece 19 for pushing the operating part 12 is arranged in the plug component 1, the pushing piece 19 is a grid fixedly arranged in the plug component 1, the middle part of the grid is of a solid structure, and holes surrounding the solid middle part are formed in the grid. As shown in fig. 2, when the plug member 1 is inserted into the connecting sleeve 3 and is movably connected by threads, the solid middle portion on the grid just can push the operating portion 12 of the valve 7, so as to push the valve 7 to move in a direction away from the connecting sleeve 3. After the combination, the plug part 1 is also in sealing connection with the connecting seat 2 through the sealing ring II 16, and the interior of the plug part 1 is communicated with the interior of the socket part.
Before use, the gas pipe is connected with the gas nozzle I14 and the generator, and is connected with the plug component 1 and the gas tank, one end of the plug component 1 is provided with a gas nozzle II 18, and the gas nozzle II 18 can be inserted into the gas pipe. The gas transmission line from the gas tank to the generator needs to be composed of two gas transmission pipes and the connecting device for gas transmission. If the other end of the plug member 1 is inserted into the connection sleeve 3 and the plug member 1 is coupled with the socket member, the gas transmission line is connected, and if the other end of the plug member 1 is separated from the connection sleeve 3 and the plug member 1 is separated from the socket member, the gas transmission line is disconnected. After the plug part 1 is inserted into the connecting sleeve 3 and screwed down, the plug part 1 is embedded into the connecting sleeve 3, and the plug part 1 is in sealing connection with the connecting sleeve 3 through the sealing ring II 16; meanwhile, the pushing piece 19 pushes the valve 7 to move, so that the valve 7 is far away from the connecting sleeve 3, and the inside of the air tap I14 is communicated with the inside of the connecting sleeve 3, namely the through hole, and the gas transmission line is communicated; otherwise, the inside of the air tap I14 is isolated from the through hole of the connecting sleeve 3, and the gas transmission line is disconnected.
Claims (3)
1. The utility model provides a connecting device for gas transmission, connecting device for gas transmission includes plug part (1) and socket part, swing joint between plug part (1) and the socket part, its characterized in that: the socket part comprises a connecting seat (2), a connecting sleeve (3), a unidirectional conveying switch assembly and an air tap I (14), wherein the connecting sleeve (3), the unidirectional conveying switch assembly and the air tap I (14) are all installed on the connecting seat (2), an installation channel is arranged on the connecting seat (2), the unidirectional conveying switch assembly is positioned between the connecting sleeve (3) and the air tap I (14), the connecting sleeve (3) is fixedly connected with the connecting seat (2) and is in sealing connection with the connecting sleeve (3) and the connecting seat (2), the connecting sleeve (3) comprises a connecting section (4) and a guide section (5), a through hole is formed in the connecting sleeve (3), the aperture of the connecting section (4) is larger than that of the guide section (5), the guide section (5) of the connecting sleeve (3) is embedded in the installation channel, one end of the air tap I (14) is embedded in the installation channel, the air tap I (14) is fixedly connected with the connecting seat (2), the unidirectional conveying switch assembly is all positioned in the installation channel, the unidirectional conveying switch assembly comprises a spring (6), a valve (7), a valve (I) (7), a supporting part (7) and an operation part (10) is arranged at the connecting part (8), the support part (9) is positioned between the mounting part (10) and the connecting part (8), the diameter of the mounting part (10) and the diameter of the connecting part (8) are smaller than the diameter of the support part (9), one end of the spring (6) is movably connected with the air tap I (14), the other end of the spring (6) is connected with the valve (7) and the connecting part (8) is embedded in the spring (6), the mounting part (10) is provided with a mounting groove (11) which surrounds the central line of the valve (7), the sealing ring I (13) is mounted on the valve (7) and is positioned in the mounting groove (11), the diameter of the mounting part (10) is smaller than the diameter of the through hole at the guide section (5), the outer diameter of the sealing ring I (13) is larger than the diameter of the through hole at the guide section (5), the valve (7) is in sealing connection with the guide section (5) of the connecting sleeve (3) through the sealing ring I (13), the connecting sleeve (3) is internally provided with a II (16) around the central line of the valve (7), the sealing ring I (1) is inserted into the tubular plug (3) through the movable plug (1), the plug part (1) is connected with the connecting seat (2) in a sealing way through a sealing ring II (16), the plug part (1) is internally communicated with the socket part, an air tap II (18) is arranged at one end of the plug part (1), a limiting protrusion (15) for blocking the supporting part (9) is arranged on the connecting seat (2), the limiting protrusion (15) stretches into the installation channel, the limiting protrusion (15) faces the position of the connecting part (8), the limiting protrusion (15) is intersected with the movement range of the supporting part (9) in the connecting seat (2), the mounting part (10) stretches into the through hole, a gas transmission gap is formed between the mounting part (10) and the guide section (5), the operating part (12) is arranged at one end of the mounting part (10) and stretches into the connecting section (4), and a pushing part (19) for pushing the operating part (12) is arranged inside the plug part (1).
2. The connection device for gas transmission according to claim 1, wherein: the mounting groove (11) is positioned at the end, connected with the supporting part (9), of the mounting part (10), one side of the mounting groove (11) is the surface of the supporting part (9), and the supporting part (9) and the guiding section (5) clamp the sealing ring I (13).
3. The connection device for gas transmission according to claim 1, wherein: the limiting protrusions (15) are annularly distributed around the central line of the valve (7) at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318435.1U CN219588374U (en) | 2023-05-26 | 2023-05-26 | Connecting device for gas transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318435.1U CN219588374U (en) | 2023-05-26 | 2023-05-26 | Connecting device for gas transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219588374U true CN219588374U (en) | 2023-08-25 |
Family
ID=87665435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318435.1U Active CN219588374U (en) | 2023-05-26 | 2023-05-26 | Connecting device for gas transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219588374U (en) |
-
2023
- 2023-05-26 CN CN202321318435.1U patent/CN219588374U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |