CN220957236U - Detachable pressure-bearing air pipe joint and connecting assembly - Google Patents
Detachable pressure-bearing air pipe joint and connecting assembly Download PDFInfo
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- CN220957236U CN220957236U CN202322966905.1U CN202322966905U CN220957236U CN 220957236 U CN220957236 U CN 220957236U CN 202322966905 U CN202322966905 U CN 202322966905U CN 220957236 U CN220957236 U CN 220957236U
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Abstract
The utility model discloses a detachable pressure-bearing air pipe joint and a connecting assembly, wherein the outer wall of a locking head is provided with a second external thread, a clamping part at one end of the locking head comprises a plurality of clamping petals which are circumferentially distributed, the outer walls of the clamping petals jointly form a first guide surface, the locking head is positioned at one side of an annular containing groove of the joint, the locking part is sheathed outside the joint by threads, one end of an annular sealing structure is positioned in the annular containing groove, and the other end of the annular sealing structure abuts against the locking head; the clamping head is sleeved outside the clamping part in a threaded manner, and the clamping head and the clamping part are matched through a conical first guide surface and a conical second guide surface. Through the detachable pressure-bearing air pipe joint of the above-mentioned optimal design, apply axial extrusion to annular seal structure through locking head and connector screw-thread fit, realize with the sealing between the pipe wall, press from both sides lamella circumference locking of locking head to the clamping head for press from both sides the lamella to the centre gripping of pipe wall fixed, thereby realize reliable connection and the sealing of body.
Description
Technical Field
The utility model relates to the technical field of pressure-bearing connection of air pipes, in particular to a detachable pressure-bearing air pipe joint and a connecting assembly.
Background
In the high-pressure gas experiment, the stainless steel pipe 1 and the stainless steel pipe 2 of different equipment are required to be connected, and after the connection, the external pressure of 0.1MPa and the internal pressure of 3MPa are required to be born at different stages. The original technical proposal is to weld the pipe 1 and the pipe 2 directly, which has the defects of complex operation, inconvenient disassembly and the like. Especially when two stainless steel pipes have different pipe diameters, the welding operation is complex, and the connection position of the two stainless steel pipes is poor in sealing.
Disclosure of utility model
In order to solve the technical problems in the background technology, the utility model provides a detachable pressure-bearing air pipe joint and a connecting component.
The utility model provides a detachable pressure-bearing air pipe joint, which comprises: the device comprises a connector, a locking head, an annular sealing structure and a clamping head;
One end of the connector is provided with an annular accommodating groove arranged along the inner wall, and the outer wall of the connector is provided with a first external thread;
The two ends of the locking head are respectively provided with a locking part and a clamping part which axially extend, the outer wall of the locking head is provided with a second external thread, the clamping part comprises a plurality of clamping petals which are circumferentially distributed, the outer walls of the clamping petals jointly form a first guide surface, and the outer diameter of the first guide surface is gradually reduced in the direction away from the locking head;
The locking head is positioned at one side of the annular accommodating groove of the connector, the locking part is sleeved outside the connector, the inner wall of the locking part is in threaded fit with the connector, one end of the annular sealing structure is positioned in the annular accommodating groove, and the other end of the annular sealing structure abuts against the locking head;
The clamping head is sleeved outside the clamping part, the clamping head is in threaded fit with the clamping part, and the inner wall of the clamping head is provided with a second guide surface matched with the first guide surface.
Preferably, the connector is made of stainless steel, and a welding part is arranged at one end of the connector, which is far away from the locking head.
Preferably, the locking head is made of copper material, and the clamping head is made of stainless steel material.
Preferably, the annular sealing structure comprises a fluororubber ring in the middle and polytetrafluoroethylene rings on both sides of the fluororubber ring.
In the utility model, the outer wall of the locking head is provided with the second external thread, the clamping part at one end of the locking head comprises a plurality of clamping petals distributed circumferentially, the outer walls of the clamping petals jointly form a first guide surface, the locking head is positioned at one side of the annular accommodating groove of the connector, the locking part is sheathed outside the connector by threads, and one end of the annular sealing structure is positioned in the annular accommodating groove and the other end of the annular sealing structure abuts against the locking head; the clamping head is sleeved outside the clamping part in a threaded manner, and the clamping head and the clamping part are matched through a conical first guide surface and a conical second guide surface. Through the detachable pressure-bearing air pipe joint of the above-mentioned optimal design, apply axial extrusion to annular seal structure through locking head and connector screw-thread fit, realize with the sealing between the pipe wall, press from both sides lamella circumference locking of locking head to the clamping head for press from both sides the lamella to the centre gripping of pipe wall fixed, thereby realize reliable connection and the sealing of body.
The utility model also provides a detachable pressure-bearing air pipe connecting assembly, which comprises the detachable pressure-bearing air pipe connector.
Preferably, the method further comprises: a first tube and a second tube;
The first body is located the connector and keeps away from locking head one end and with connector fixed connection, and the second body one end passes in proper order and presss from both sides tight head, locking head and connector, and the second body passes through annular seal structure and connector and locking head sealing fit, and a plurality of clamp lamella centre gripping second body outer wall of locking head.
Preferably, the first pipe body is welded and fixed with the connector.
Preferably, the first tube body and the second tube body have the same inner diameter.
Preferably, the outer diameter of the first pipe body is larger than that of the second pipe body, and an accommodating groove for accommodating the end part of the second pipe body is formed in the inner wall of one end of the first pipe body, which is close to the connector.
In the utility model, the technical effect of the provided detachable pressure-bearing air pipe connecting assembly is similar to that of the air pipe joint, so that the description is omitted.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a detachable pressure-bearing air pipe connection assembly according to the present utility model.
Fig. 2 is a schematic cross-sectional view of an embodiment of a detachable pressurized gas conduit connection assembly according to the present utility model.
Fig. 3 is a schematic diagram showing the cooperation of the locking head and the clamping head of an embodiment of the detachable pressure-bearing air pipe connecting assembly according to the present utility model.
Detailed Description
Fig. 1 to 3 show a schematic structural view of an embodiment of a detachable pressure-bearing air pipe connection assembly according to the present utility model, fig. 2 shows a schematic sectional view of an embodiment of a detachable pressure-bearing air pipe connection assembly according to the present utility model, and fig. 3 shows a schematic mating view of a locking head and a clamping head of an embodiment of a detachable pressure-bearing air pipe connection assembly according to the present utility model.
Referring to fig. 1 to 3, a detachable pressure-bearing air pipe joint according to the present utility model includes: the device comprises a connector 1, a locking head 2, an annular sealing structure 3 and a clamping head 4;
One end of the connector 1 is provided with an annular accommodating groove arranged along the inner wall, and the outer wall of the connector 1 is provided with a first external thread;
The two ends of the locking head 2 are respectively provided with a locking part and a clamping part which axially extend, the outer wall of the locking head 2 is provided with a second external thread, the clamping part comprises a plurality of clamping petals 21 which are circumferentially distributed, the outer walls of the clamping petals 21 jointly form a first guide surface, and the outer diameter of the first guide surface is gradually reduced in the direction away from the locking head 2; the locking head 2 is positioned at one side of the annular accommodating groove of the connector 1, the locking part is sleeved outside the connector 1, the inner wall of the locking part is in threaded fit with the connector 1, one end of the annular sealing structure 3 is positioned in the annular accommodating groove, and the other end of the annular sealing structure abuts against the locking head 2;
The clamping head 4 is sleeved outside the clamping part, the clamping head 4 is in threaded fit with the clamping part, and a second guide surface matched with the first guide surface is arranged on the inner wall of the clamping head 4.
Referring to fig. 2, in a specific operation mode of the detachable pressure-bearing air pipe joint of the present embodiment, the detachable pressure-bearing air pipe joint is connected to the first pipe body 10 and the second pipe body 20. First, the first pipe body 10 is located at one end of the connector 1 away from the locking head 2 and is fixedly connected with the connector 1. Specifically, the two may be welded together. Then, one end of the second pipe body 20 is sequentially passed through the clamping head 4, the locking head 2, the annular sealing structure 3 and the connection head 1. The locking head is rotated, and as the locking head is in threaded fit with the connector, the locking head and the connector extrude two sides of the annular sealing structure, so that the annular sealing structure deforms, and the second pipe body 20 is in sealing fit with the connector 1 and the locking head 2 through the annular sealing structure 3. The clamping head is rotated and matched with the second guide surface through the first guide surface, and a plurality of clamping petals 21 of the locking head 2 are circumferentially clamped, so that the outer wall of the second pipe body 20 is clamped.
In this embodiment, the provided detachable pressure-bearing tracheal joint and the connecting component, the outer wall of the locking head is provided with a second external thread, the clamping part at one end of the locking head comprises a plurality of clamping petals distributed circumferentially, the outer walls of the clamping petals jointly form a first guide surface, the locking head is positioned at one side of the annular accommodating groove of the connecting head, the locking part is sheathed outside the connecting head in a threaded manner, one end of the annular sealing structure is positioned in the annular accommodating groove, and the other end of the annular sealing structure abuts against the locking head; the clamping head is sleeved outside the clamping part in a threaded manner, and the clamping head and the clamping part are matched through a conical first guide surface and a conical second guide surface. Through the detachable pressure-bearing air pipe joint of the above-mentioned optimal design, apply axial extrusion to annular seal structure through locking head and connector screw-thread fit, realize with the sealing between the pipe wall, press from both sides lamella circumference locking of locking head to the clamping head for press from both sides the lamella to the centre gripping of pipe wall fixed, thereby realize reliable connection and the sealing of body.
In the specific implementation manner of the tracheal joint of this embodiment, the joint 1 is made of stainless steel, and a welding part is arranged at one end of the joint 1 away from the locking head 2. The connector can be welded with the first pipe body through the welding part.
When the outer diameters of the two pipe bodies are inconsistent, for example, the outer diameter of the first pipe body 10 is larger than the outer diameter of the second pipe body 20, the inner wall of one end of the first pipe body 10, which is close to the connector 1, is provided with a containing groove for containing the end part of the second pipe body 20, so that the connection reliability of the two pipe bodies is ensured. The first tube 10 and the second tube 20 have the same inner diameter.
In the specific design mode of the locking head, the locking head 2 is made of copper materials, and the clamping head 4 is made of stainless steel materials. In order to ensure a reliable sealing fit of the annular sealing result with the locking heads and the clamping heads on both sides, the annular sealing structure 3 comprises a fluororubber ring in the middle and polytetrafluoroethylene rings on both sides of the fluororubber ring.
In actual design, a group of annular sealing structures, locking heads and clamping heads can be arranged at two ends of the connector, so that the two ends of the connector are detachably and hermetically connected with the pipe body.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (9)
1. A removable pressure-bearing tracheal tube, comprising: the device comprises a connector (1), a locking head (2), an annular sealing structure (3) and a clamping head (4);
One end of the connector (1) is provided with an annular accommodating groove arranged along the inner wall, and the outer wall of the connector (1) is provided with a first external thread;
the two ends of the locking head (2) are respectively provided with a locking part and a clamping part which axially extend, the outer wall of the locking head (2) is provided with a second external thread, the clamping part comprises a plurality of clamping petals (21) which are circumferentially distributed, the outer walls of the clamping petals (21) jointly form a first guide surface, and the outer diameter of the first guide surface is gradually reduced in the direction away from the locking head (2); the locking head (2) is positioned at one side of the annular accommodating groove of the connector (1), the locking part is sleeved outside the connector (1) and the inner wall of the locking part is in threaded fit with the connector (1), one end of the annular sealing structure (3) is positioned in the annular accommodating groove, and the other end of the annular sealing structure is abutted against the locking head (2);
the clamping head (4) is sleeved outside the clamping part, the clamping head (4) is in threaded fit with the clamping part, and a second guide surface matched with the first guide surface is arranged on the inner wall of the clamping head (4).
2. The detachable pressure-bearing tracheal joint according to claim 1, wherein the joint (1) is made of stainless steel, and a welding part is arranged at one end of the joint (1) far away from the locking head (2).
3. A detachable pressure-bearing tracheal joint as claimed in claim 1, wherein the locking head (2) is made of copper material and the clamping head (4) is made of stainless steel material.
4. A removable pressure-bearing tracheal fitting as claimed in claim 1, wherein the annular sealing structure (3) comprises a fluororubber ring in the middle and polytetrafluoroethylene rings on either side of the fluororubber ring.
5. A removable pressure-containing tracheal connection assembly comprising a removable pressure-containing tracheal connection as claimed in any one of claims 1 to 4.
6. The removable pressure gas line connection assembly of claim 5, further comprising: a first pipe body (10) and a second pipe body (20);
The first pipe body (10) is located connector (1) and keeps away from locking head (2) one end and with connector (1) fixed connection, and second pipe body (20) one end passes tight head (4) of clamp, locking head (2) and connector (1) in proper order, and second pipe body (20) pass through annular seal structure (3) and connector (1) and locking head (2) sealing fit, and a plurality of clamp lamella (21) centre gripping second pipe body (20) outer wall of locking head (2).
7. A detachable pressure-bearing gas pipe connection assembly according to claim 6, characterized in that the first pipe body (10) is welded to the connector (1).
8. The detachable pressure-bearing gas pipe connection assembly according to claim 6, wherein the first pipe body (10) and the second pipe body (20) have the same inner diameter.
9. The detachable pressure-bearing air pipe connection assembly according to claim 6 or 8, wherein the outer diameter of the first pipe body (10) is larger than the outer diameter of the second pipe body (20), and an accommodating groove for accommodating the end part of the second pipe body (20) is formed in the inner wall of one end of the first pipe body (10) close to the connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966905.1U CN220957236U (en) | 2023-11-02 | 2023-11-02 | Detachable pressure-bearing air pipe joint and connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322966905.1U CN220957236U (en) | 2023-11-02 | 2023-11-02 | Detachable pressure-bearing air pipe joint and connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220957236U true CN220957236U (en) | 2024-05-14 |
Family
ID=91005767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322966905.1U Active CN220957236U (en) | 2023-11-02 | 2023-11-02 | Detachable pressure-bearing air pipe joint and connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220957236U (en) |
-
2023
- 2023-11-02 CN CN202322966905.1U patent/CN220957236U/en active Active
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