CN217056649U - Gas pipe fitting coupling assembling - Google Patents
Gas pipe fitting coupling assembling Download PDFInfo
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- CN217056649U CN217056649U CN202220925890.7U CN202220925890U CN217056649U CN 217056649 U CN217056649 U CN 217056649U CN 202220925890 U CN202220925890 U CN 202220925890U CN 217056649 U CN217056649 U CN 217056649U
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Abstract
The utility model provides a gas pipe fitting coupling assembling, it includes: the first connecting pipe is used for being connected with the access pipe to access fuel gas, and an external thread section is arranged at one end of the first connecting pipe, which is far away from the access pipe; the second connecting pipe comprises an internal thread section which is arranged on the inner wall of the second connecting pipe and matched with the external thread section and a diameter-expanding section which is arranged in an outward expanding mode, and the external thread section can extend into the diameter-expanding section; and the elastic sleeve is arranged in the diameter section, one end of the elastic sleeve is sleeved on the end part of the outer thread section in the diameter section, and the other end of the elastic sleeve is propped against the inner wall of the diameter section deviating from the inner thread section. The utility model discloses use the elastic energy and the elastic sleeve that the elasticity resilience ability is stronger to realize sealing for the used repeatedly number of times of elastic component can increase.
Description
Technical Field
The utility model relates to a gas pipe fitting equipment technical field especially relates to a gas pipe fitting coupling assembling.
Background
The gas uses the access pipe to realize the installation of registering one's residence, and when the gas was registering one's residence, the access pipe passed the wall body after indoor with the connector is connected, then is connected the back with the connector through indoor (be indoor) pipe fitting and send the gas to required department. The connection head and the indoor pipe fitting are generally connected in a quick connection mode, an elastic piece is usually arranged between the connection head and the indoor pipe fitting, and the connection part of the connection head and the indoor pipe fitting is sealed through compressing the elastic piece. The elastic part can be a sealing washer, when the connector is connected with the indoor pipe fitting, the sealing washer is easily lose the original elasticity by the compression of the connector and the indoor pipe fitting on the sealing washer, so that the sealing performance of the sealing washer is reduced or the sealing washer fails, and the sealing washer is not suitable for being repeatedly used.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides a gas pipe fitting coupling assembling, thereby it has solved among the prior art that seal ring loses elasticity easily and leads to sealing performance to reduce or become invalid, should not carry out repetitious usage's problem.
According to the utility model discloses an embodiment, a gas pipe fitting coupling assembling, it includes:
the first access pipe is used for being connected with the access pipe to access fuel gas, and an external thread section is arranged at one end of the first access pipe, which is away from the access pipe;
the second access pipe comprises an internal thread section which is arranged on the inner wall of the second access pipe and matched with the external thread section, and a diameter-included section which is arranged in an outward expanding mode, and the external thread section can extend into the diameter-included section;
and the elastic sleeve is arranged in the diameter section, one end of the elastic sleeve is sleeved on the end part of the outer thread section in the diameter section, and the other end of the elastic sleeve is propped against the inner wall of the diameter section deviating from the inner thread section.
In the above embodiment, the elastic sleeve is arranged in the diameter-defining section to replace a sealing gasket in the prior art, when the external thread section and the internal thread section are completely connected, one end of the elastic sleeve is sleeved on the end of the external thread section, and the other end of the elastic sleeve is abutted against the diameter-defining section, and at this time, the elastic sleeve is in a tensioned state, so that a sealing effect is achieved; the elasticity and the elastic recovery capacity of the elastic sleeve are both larger than those of the sealing washer in the prior art, so that the repeated use times of the elastic sleeve can be larger than those of the sealing washer in the prior art.
Furthermore, one end of the elastic sleeve is large, the other end of the elastic sleeve is small, the large end of the elastic sleeve is connected with the external thread section, and the small end of the elastic sleeve is abutted to the inner wall of the diameter section.
Furthermore, an elastic ring which is propped against the end face of the large end of the elastic sleeve is further arranged in the diameter-stretching section, and the elastic ring is sleeved outside the external thread section.
Furthermore, a metal lining pipe is fixedly connected to the inner wall of the small end of the elastic sleeve, penetrates through the small end of the elastic sleeve and extends into the second access pipe, and the outer wall of the metal lining pipe is in sliding connection with the inner wall of the second access pipe.
Furthermore, the inner wall of the diameter section deviating from the inner thread section is concavely provided with an annular table, and the small end of the elastic sleeve abuts against the annular table.
Further, the internal thread section deviates from the one end fixedly connected with first connecting ring of drawing the footpath section.
Furthermore, a second connecting ring is fixedly connected to one end, away from the external thread section, of the first access pipe.
Furthermore, one end of the diameter-extending section, which is close to the small end of the elastic sleeve, is also provided with a balance hole communicated with the outside.
Compared with the prior art, the utility model discloses following beneficial effect has:
the sealing is realized by using the elastic sleeve with stronger elastic capacity and elastic recovery capacity, so that the repeated use times of the elastic piece are increased.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the embodiment of the present invention;
in the above drawings:
the connecting structure comprises a first connecting pipe 1, an access pipe 2, a wall body 3, an external thread section 4, a second connecting pipe 5, an internal thread section 6, a diameter section 7, an elastic sleeve 8, an elastic ring 9, a metal lining pipe 10, a balance hole 11, a first connecting ring 12, a second connecting ring 13, a third connecting ring 14 and a screw rod 15.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the present embodiment provides a gas pipe connection assembly, which includes:
a first connection pipe 1, which is used for connecting with an access pipe 2 (i.e. the access pipe 2 in the prior art, meanwhile, the access pipe 2 in this embodiment does not pass through the wall 3, and the first connection pipe 1 can be preset in the wall 3, so that the construction of the access pipe 2 is only performed outside the wall (i.e. outdoors), and is not performed indoors, and construction delay caused by the fact that a person in construction is unable to enter indoors (e.g. the case that no person in construction is at home)) is avoided to access the gas, and one end of the first connection pipe 1, which is far away from the access pipe 2, is provided with an external thread section 4;
the second connecting pipe 5 comprises an internal thread section 6 arranged on the inner wall of the second connecting pipe and matched with the external thread section 4 and a diameter-extending section 7 arranged in an outward expanding mode, the external thread section 4 can extend into the diameter-extending section 7, and the first connecting pipe 1 and the second connecting pipe 5 are connected through the matching of the external thread section 4 and the internal thread section 6;
In the above embodiment, the elastic sleeve 8 is arranged in the diameter-including section 7 to replace a sealing washer in the prior art, when the external thread section 4 and the internal thread section 6 are completely connected, one end of the elastic sleeve 8 is sleeved on the end of the external thread section 4, and the other end of the elastic sleeve 8 is abutted against the diameter-including section 7, and at this time, the elastic sleeve 8 is in a tensioned state, i.e. plays a role in sealing; as shown in fig. 1, the width (wall thickness) and the height of the elastic sleeve 8 are respectively greater than those of the sealing gasket in the prior art, and the elastic sleeve 8 is made of the same material as the sealing gasket, so that the elasticity and the elastic recovery capability of the elastic sleeve 8 are both greater than those of the sealing gasket in the prior art, and the reuse times of the elastic sleeve 8 can be greater than those of the sealing gasket in the prior art.
Preferably, one end of the elastic sleeve 8 is large, the other end of the elastic sleeve 8 is small, the large end of the elastic sleeve 8 is connected with the external thread section 4, and the small end of the elastic sleeve 8 is abutted against the inner wall of the diameter-including section 7, when the first connecting pipe and the second connecting pipe 5 are connected, the external thread section 4 plays a role of outwards expanding the elastic sleeve 8 along with the screwing of the external thread section 4, and the elastic sleeve 8 is gradually abutted against the inner wall of the diameter-including section 7 in the expanding process, so that the elastic sleeve 8 is compressed against the inner wall of the diameter-including section 7, and the sealing effect is better;
furthermore, an elastic ring 9 which is abutted against the end face of the large end of the elastic sleeve 8 is further arranged in the diameter-expanding section 7, the elastic ring 9 is sleeved outside the external thread section 4, the elastic sleeve 8 has a compression effect on the elastic ring 9 in an initial state (namely when the first connecting pipe 1 and the second connecting pipe 5 are disconnected), namely the elastic ring 9 is in a compression state, when the first connecting pipe 1 and the second connecting pipe 5 are connected, the large end of the elastic sleeve 8 can move towards the direction of the small end along with the screwing-in of the external thread section 4, at the moment, the elastic ring 9 recovers deformation, and no gap exists between the end face of the large end of the elastic sleeve 8 and the diameter-expanding section 7 in the whole process, so that a better sealing effect is ensured; similarly, the elastic ring 9 and the elastic sleeve 8 are made of the same rubber material, and in addition, the thickness of the elastic ring 9 is multiple than that of the sealing gasket in the prior art, so the repeated use times of the elastic ring 9 are also larger than that of the sealing gasket.
Preferably, a metal inner lining pipe 10 is fixedly connected to the inner wall of the small end of the elastic sleeve 8, the metal inner lining pipe 10 penetrates out of the small end of the elastic sleeve 8 and extends into the second access pipe 2, and the outer wall of the metal inner lining pipe 10 is slidably connected with the inner wall of the second access pipe 2. The metal inner lining pipe 10 has a supporting function on the small end of the elastic sleeve 8, so that the small end of the elastic sleeve 8 can be prevented from accidentally entering the non-diameter-included section 7 of the second connecting pipe 5 due to extrusion, and the elastic sleeve 8 is ensured to be extruded and deformed in the diameter-included section 7;
furthermore, an annular table is concavely arranged on the inner wall of the diameter-extending section 7, which is far away from the inner thread section 6, and the small end of the elastic sleeve 8 is abutted against the annular table, so that the small end of the elastic sleeve 8 can be prevented from expanding outwards like the large end due to extrusion, and the small end of the elastic sleeve 8 is prevented from being torn due to outward turning; particularly, draw together the one end that footpath section 7 is close to elastic sleeve 8 tip and still be provided with the balancing hole 11 with external intercommunication, when first connecting pipe 1 and second connecting pipe 5 are connected, the space that elastic sleeve 8 outer wall and draw together footpath section 7 inner wall and enclose communicates with the external world all the time to ensure that elastic sleeve 8 can normally be compressed, simultaneously, can also detect whether gas leakage exists in the connection of first connecting pipe 1 and second connecting pipe 5 through balancing hole 11.
Preferably, a first connecting ring 12 is fixedly connected to one end of the internal thread section 6, which is away from the diameter section 7, and a second connecting ring 13 is fixedly connected to one end of the first access pipe 2, which is away from the external thread section 4, that is, the first connecting pipe 1 is fixed on the outer wall of the wall 3 through the second connecting ring 13, and the second connecting pipe 5 is fixed on the inner wall of the wall 3 through the first connecting ring 12, so that the connection between the first connecting pipe 1 and the second connecting pipe 5 is more stable; further, a third connecting ring 14 is fixedly connected to the access pipe 2, and the third connecting ring 14 and the second connecting ring 13 are connected together through a screw 15 (the first connecting ring 12, the second connecting ring 13 and the wall 3 are also connected through the screw 15).
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. A gas pipe coupling assembly, comprising:
the first access pipe is used for being connected with the access pipe to access fuel gas, and an external thread section is arranged at one end of the first access pipe, which is away from the access pipe;
the second access pipe comprises an internal thread section and a diameter-expanding section, wherein the internal thread section is arranged on the inner wall of the second access pipe and matched with the external thread section, and the diameter-expanding section is arranged outside the second access pipe;
and the elastic sleeve is arranged in the diameter section, one end of the elastic sleeve is sleeved on the end part of the outer thread section in the diameter section, and the other end of the elastic sleeve is propped against the inner wall of the diameter section deviating from the inner thread section.
2. The gas pipe coupling assembly of claim 1, wherein the elastic sleeve has a large end and a small end, the large end of the elastic sleeve is connected to the external threaded section, and the small end of the elastic sleeve abuts against the inner wall of the reducer section.
3. The gas pipe coupling assembly of claim 2, further comprising a resilient ring disposed within the tapered section and abutting an end surface of the larger end of the resilient sleeve, the resilient ring being disposed outside the external threaded section.
4. The gas pipe connecting assembly according to claim 2, wherein a metal inner lining pipe is fixedly connected to the inner wall of the small end of the elastic sleeve, the metal inner lining pipe penetrates out of the small end of the elastic sleeve and extends into the second access pipe, and the outer wall of the metal inner lining pipe is slidably connected with the inner wall of the second access pipe.
5. The gas pipe coupling assembly of claim 4, wherein the recess in the inner wall of the tapered section facing away from the internal threaded section is provided with an annular land against which the small end of the elastomeric sleeve abuts.
6. The gas tube coupling assembly of any one of claims 1-5, wherein an end of the internally threaded section facing away from the radial section is fixedly coupled to a first coupling ring.
7. The gas tube connection assembly of claim 6, wherein an end of the first access tube facing away from the externally threaded section is fixedly coupled to a second coupling ring.
8. The gas pipe connecting assembly according to claim 6, wherein the end of the reducer section adjacent to the small end of the elastic sleeve is further provided with a balance hole communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220925890.7U CN217056649U (en) | 2022-04-18 | 2022-04-18 | Gas pipe fitting coupling assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220925890.7U CN217056649U (en) | 2022-04-18 | 2022-04-18 | Gas pipe fitting coupling assembling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217056649U true CN217056649U (en) | 2022-07-26 |
Family
ID=82472989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220925890.7U Active CN217056649U (en) | 2022-04-18 | 2022-04-18 | Gas pipe fitting coupling assembling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056649U (en) |
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2022
- 2022-04-18 CN CN202220925890.7U patent/CN217056649U/en active Active
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