CN218543534U - Socket expansion joint device - Google Patents
Socket expansion joint device Download PDFInfo
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- CN218543534U CN218543534U CN202223089042.6U CN202223089042U CN218543534U CN 218543534 U CN218543534 U CN 218543534U CN 202223089042 U CN202223089042 U CN 202223089042U CN 218543534 U CN218543534 U CN 218543534U
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- telescopic sleeve
- bracket
- socket
- pressure cavity
- inner telescopic
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- 210000004907 gland Anatomy 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Abstract
The utility model relates to a telescopic joint especially relates to a socket joint telescopic joint device. It is the structure that can solve the scene and cause socket joint festival adjustment length difficulty because socket joint festival frictional tension is too big, can effectively improve work efficiency. Comprises a socket joint body; the socket joint body comprises an outer telescopic sleeve and an inner telescopic sleeve, wherein one end of the inner telescopic sleeve extends into the outer telescopic sleeve and can move back and forth along the outer telescopic sleeve; the outer telescopic sleeve is of a diameter-changing structure, the diameter-changing structure comprises a narrow part and a wide part, and the two parts form an integrated structure; a circle of convex ring is arranged on the periphery of the inner telescopic sleeve, one end of the inner telescopic sleeve extends into the narrow part from the wide part, and a sealing gland is arranged at one end of the wide part, which is far away from the narrow part; the outer wall of the inner telescopic sleeve, the wide part and the convex ring form a closed pressure cavity A, and the outer wall of the inner telescopic sleeve, the convex ring and the sealing gland form a closed pressure cavity B; the pressure cavity A is provided with an interface A for introducing liquid, and the pressure cavity B is provided with an interface B for introducing liquid.
Description
Technical Field
The utility model relates to a telescopic joint especially relates to a socket joint telescopic joint device. In particular to a socket expansion joint device used for a traditional large-scale pipeline closed joint.
Background
The traditional closed joint for rush repair of large pipelines is mainly composed of a pipeline socket 100, a closed joint socket section 200, an O-shaped sealing ring 300, a flange A400, a flange B500, a closed joint socket section 600 and a pipeline socket 700 as shown in figure 8.
When the emergency repair closed joint is in work, namely when a certain section of a large pipeline is damaged and broken, firstly, the large pipeline is cleaned on site, then the prepared emergency repair closed joint is transported to the site, the distance between the flange A400 and the flange B500 of the closed joint is shortened, namely, the emergency repair closed joint is shortened to be capable of being placed between two adjacent bearings and sockets of the pipeline on the site, and then the flange A400 and the flange B500 of the emergency repair closed joint are pushed and pulled until the two side bearings and the sockets of the emergency repair closed joint are completely matched with the adjacent bearings and sockets of the pipeline and the emergency repair is completed. The traditional closed joint has the advantages that: is simple and practical. The disadvantages are that: when the flange A and the flange B are installed, the push-pull force between the flange A and the flange B is too large and is not suitable for balance, so that the field installation is very difficult, and long installation time is needed.
Disclosure of Invention
The utility model discloses be exactly to the defect that prior art exists, provide a socket joint telescopic joint device, it is the structure that can solve the scene and cause socket joint adjustment length difficulty because socket joint friction pulling force is too big, can effectively improve work efficiency.
In order to realize the purpose, the utility model adopts the following technical proposal, which comprises a socket joint body; the socket joint body comprises an outer telescopic sleeve and an inner telescopic sleeve, wherein one end of the inner telescopic sleeve extends into the outer telescopic sleeve and can move back and forth along the outer telescopic sleeve; the method is characterized in that: the outer telescopic sleeve is of a reducing structure, the reducing structure comprises a narrow part and a wide part, and the two parts form an integrated structure. The wide portion has an inner diameter larger than that of the narrow portion, and thus, the wide portion and the narrow portion are defined.
A circle of convex ring is arranged on the periphery of the inner telescopic sleeve, one end of the inner telescopic sleeve extends into the narrow part from the wide part, and a sealing gland is arranged at one end of the wide part, which is far away from the narrow part; the outer wall of the inner telescopic sleeve, the wide part and the convex ring form a closed pressure cavity A, and the outer wall of the inner telescopic sleeve, the convex ring and the sealing gland form a closed pressure cavity B; the pressure cavity A is provided with a port A for introducing liquid, and the pressure cavity B is provided with a port B for introducing liquid.
Furthermore, the pressure cavity A and the pressure cavity B are filled with liquid.
Further, the free end of the outer telescopic sleeve is connected with a pipe socket A, and the free end of the inner telescopic sleeve is connected with a pipe socket B.
Furthermore, one end of the narrow part, which is far away from the wide part, is provided with a closed socket, and a step structure is formed between the narrow part and the wide part; wherein, the bell mouth of the closed joint is butted with the pipe bell and spigot A, and the flange is connected with the sealing gland.
Furthermore, a screw rod adjusting mechanism is arranged on the socket joint body and comprises a support A arranged on the outer wall of the inner telescopic sleeve and a support B arranged on the outer wall of the wide part; an adjusting nut (the nut can rotate radially relative to the support) is respectively arranged in the support A and the support B; the bracket A and the bracket B are used for adjusting the axial limit of the nut; an adjusting screw rod is further arranged between the two supports, one end of the adjusting screw rod penetrates through the flange, the through hole in the support B and the adjusting nut in the support B, and the other end of the screw rod penetrates through the through hole in the support A and the adjusting nut in the support A; and the screw rod is in threaded connection with the adjusting nut.
Furthermore, the adjusting screw rod adopts full threads.
Furthermore, the bracket A and the bracket B have the same structure and respectively comprise a left bracket body and a right bracket body which are arranged in a mirror image mode, and the adjusting nut is positioned between the two bracket bodies and used for preventing the adjusting nut from moving in a left-right displacement mode.
Further, the number of the screw rod adjusting mechanisms is at least 2.
Furthermore, the sealing gland is provided with a light hole for the screw to pass through, and the light hole is opposite to the light hole on the flange and used for the screw to pass through.
Compared with the prior art the utility model discloses beneficial effect.
The utility model discloses socket joint telescopic joint fills the telescopic action that pressure liquid easily realized inside and outside flexible suite through filling pressure chamber, has had the socket butt joint convenient to adjust suitable length and pipeline with the socket joint, need not many people and participates in and can accomplish pipeline butt joint work.
The utility model discloses socket joint telescopic joint has increased the screw rod mechanism that can adjust by hand at flexible in-process, can effectually realize the guide effect at flexible in-process, effectively prevents to pull socket joint sleeve pipe internal surface.
Drawings
The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of protection of the present invention is not limited to the following description.
Figure 1 is an overall cross-sectional view 1 of a female telescopic joint.
Figure 2 is an overall cross-sectional view 2 of a socket expansion joint.
Figure 3 is a side view of the female expansion joint in general F.
Figure 4 is a cross-sectional view of an outer sleeve of a socket expansion joint.
Figure 5 is a cross-sectional view of an inner telescoping sleeve of a female telescopic joint.
Figure 6 is a view of a female telescopic joint in a retracted state during operation.
Figure 7 is a view of the spigot-and-socket joint in an extended state of operation.
Figure 8 is a cross-sectional view of a prior art socket expansion joint.
In fig. 1-7, 1 is a pipe socket a, 2 is a pipe socket B, 3 is an outer telescopic sleeve, 4 is a screw 401 adjusting mechanism, 5 is an inner telescopic sleeve, 6 is a sealing gland, 7 is a connector a, 8 is a pressure cavity a, 9 is a pressure cavity B, 10 is a bolt, and 11 is a connector B;301 is a closed joint socket, 302 is a step, 303 is a flange, 401 is a screw rod, 402 is a bracket A, 403 is a bracket B, 404 is an adjusting nut, and 501 is a convex ring.
Detailed Description
As shown in fig. 1-7, the specific embodiment: comprises a socket joint body; the socket joint body comprises an outer telescopic sleeve 3 and an inner telescopic sleeve 5, wherein one end of the inner telescopic sleeve 5 extends into the outer telescopic sleeve 3 and can move back and forth along the outer telescopic sleeve 3. The improvement point of the scheme is that: the outer telescopic sleeve 3 is of a diameter-changing structure, the diameter-changing structure comprises a narrow part and a wide part, and the two parts form an integrated structure; a circle of convex rings 501 are arranged on the periphery of the inner telescopic sleeve 5, one end of the inner telescopic sleeve 5 extends into the narrow part from the wide part, and a sealing gland 6 is arranged at one end of the wide part, which is far away from the narrow part; the outer wall of the inner telescopic sleeve 5, the wide part and the convex ring 501 enclose a closed pressure cavity A8, and the outer wall of the inner telescopic sleeve 5, the convex ring 501 and the sealing gland 6 enclose a closed pressure cavity B9; the pressure chamber A8 is provided with a port A7 for the passage of liquid, and the pressure chamber B9 is provided with a port B11 for the passage of liquid. The pressure cavity A8 and the pressure cavity B9 are filled with liquid.
Specifically, the socket telescopic joint device comprises a socket joint body, a screw 401 adjusting mechanism 4 for adjusting the distance, and an auxiliary power chamber unit. The socket joint body consists of an outer telescopic sleeve 3 and an inner telescopic sleeve 5. The auxiliary power chamber consists of a pressure cavity A8, a pressure cavity B9, an interface A7, an interface B11 and a sealing gland 6. The adjusting mechanism 4 for adjusting the distance by a screw 401 is composed of a screw 401, a bracket A402, a bracket B403 and an adjusting nut 404.
In embodiment 1, the free end of the outer telescopic sleeve 3 is butted with a pipeline socket A1, and the free end of the inner telescopic sleeve 5 is butted with a pipeline socket B2. A closed joint socket 301 is arranged at one end of the narrow part far away from the wide part, a step 302 structure is formed between the narrow part and the wide part, and a flange 303 is arranged at one end of the wide part far away from the narrow part; wherein, the closed joint bell mouth 301 is butted with the pipeline bell mouth A1, and the flange 303 is connected with the sealing gland 6.
Specifically, the outer telescopic sleeve 3 is composed of a cylindrical sleeve structure body, a closed joint bell mouth 301, a step 302 and a flange 303. Wherein the closed joint bell mouth 301 is butted with the pipeline bell and spigot A1, the outer telescopic sleeve 3 is matched with the inner telescopic sleeve 5 by the step 302 section, and the flange 303 is butted with the sealing gland 6. The step 302 position of the outer telescopic sleeve 3 is provided with an interface A7 which can be communicated with liquid. The sealing gland 6 is provided with a port B11 which can be filled with liquid. The inner telescopic sleeve 5 consists of a cylindrical sleeve structure body and a convex ring 501 positioned at the middle section. The pressure cavity A8 is a sealed cavity formed by the step 302 of the outer telescopic sleeve 3 and the convex ring 501 arranged on the inner telescopic sleeve 5. The pressure cavity B9 is a sealed cavity formed by a sealing gland 6 and a convex ring 501 arranged on the inner telescopic sleeve 5.
In embodiment 2, a screw 401 adjusting mechanism 4 is arranged on the socket joint body, and the screw 401 adjusting mechanism 4 comprises a bracket a 402 arranged on the outer wall of the inner telescopic sleeve 5 and a bracket B403 arranged on the outer wall of the wide part; an adjusting nut (the nut can rotate radially relative to the bracket) is respectively arranged in the bracket A402 and the bracket B403; the bracket A402 and the bracket B403 are used for adjusting the axial limit of the nut; an adjusting screw 401 is further arranged between the two supports, one end of the adjusting screw 401 penetrates through the flange 303, a through hole in the support B403 and an adjusting nut in the support B403, and the other end of the screw 401 penetrates through a through hole in the support A402 and an adjusting nut in the support A402; and the screw 401 is in threaded connection with the adjusting nut. The adjusting screw 401 is full thread. The structure of the bracket A402 is the same as that of the bracket B403, the bracket A and the bracket B both comprise a left bracket body and a right bracket body which are arranged in a mirror image manner, and the adjusting nut is positioned between the two bracket bodies and used for preventing the left and right displacement of the adjusting nut. The gland 6 is provided with a light hole for the screw 401 to pass through, and the light hole is opposite to the light hole on the flange 303 for the screw 401 to pass through. The number of the screw 401 adjusting mechanisms 4 is at least 2.
Specifically, a bracket B403 is provided on the flange 303 side of the outer telescopic sleeve 3 to support the screw 401. And one end of the outer side of the inner telescopic sleeve 5 is provided with a bracket A402 for supporting the other end of the screw 401. The adjusting nut 404 is located in the bracket and used for realizing the pushing and pulling action of the adjusting nut 404 and the screw 401 on the screw 401.
The working principle is as follows:
when the hydraulic power-assisted first-aid repair closed joint starts working, a pressure source is connected to a joint B11 of the closed joint, and the pressure source can be as follows: tap water, fire water, or self-contained water pressure pump, etc.
After the interface B11 is connected with the pressure source, the pressure cavity B9 pushes the socket section and the socket section of the closed joint to shorten the closed joint. In the process, the four screw rods 401 and the adjusting nuts 404 on the closing section adjust the moving stroke of the closing section in sections (taking the four screw rods 401 as an example of the adjusting mechanism 4), so that the closing section moves smoothly without the occurrence of the inclined pause phenomenon.
After the closed joint is contracted to be short enough, the closed joint is placed at the position of a pipeline first-aid repair section, at the moment, the interface A7 of the closed joint is connected into a pressure source, the interface B11 is connected into a water return pipeline, and after the interface A7 is connected into the pressure source, the pressure cavity A8 pushes the socket section and the socket section of the closed joint to extend the closed joint.
Meanwhile, the moving stroke of the closed joint is regulated in a segmented mode by four screws 401 and adjusting nuts 404 on the closed joint, so that the closed joint can move stably and does not incline and block. Until the closing joint is completely matched with the socket and the spigot on the pipeline. Finally, the closing section is locked by four screws 401 and nuts.
And finishing the rush repair installation. It is noted here that the four screw rods 401 and the adjusting nuts 404 on the closing section function in addition to performing the adjustment of the extension and contraction of the closing section when driven by water pressure,
in addition, the screw 401 adjusting mechanism 4 can be used for directly driving the extension and the contraction of the closing joint under the condition of no water pressure source to complete the installation process of the closing joint. The specific action process is as follows: when the distance between the support A402 and the support B403 needs to be adjusted, the adjusting nut 404 can be rotated, and because the nut is limited in the middle of the U shape, the nut does not move left and right in the rotating process of the adjusting nut 404, the nut can pull the screw 401 to move left and right, and the distance between the support A402 and the support B403 can be adjusted.
The utility model realizes an adjusting device which can assist automatic labor-saving completion of socket expansion aiming at the defect that the friction tension is too large when the existing socket joint is adjusted to expand; the problem of difficulty of manual adjustment is solved, and the working efficiency is improved.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (9)
1. A socket expansion joint device comprises a socket joint body; the socket joint body comprises an outer telescopic sleeve and an inner telescopic sleeve, wherein one end of the inner telescopic sleeve extends into the outer telescopic sleeve and can move back and forth along the outer telescopic sleeve; the method is characterized in that: the outer telescopic sleeve is of a diameter-changing structure, the diameter-changing structure comprises a narrow part and a wide part, and the two parts form an integrated structure;
a circle of convex ring is arranged on the periphery of the inner telescopic sleeve, one end of the inner telescopic sleeve extends into the narrow part from the wide part, and a sealing gland is arranged at one end, far away from the narrow part, of the wide part; the outer wall of the inner telescopic sleeve, the wide part and the convex ring form a closed pressure cavity A, and the outer wall of the inner telescopic sleeve, the convex ring and the sealing gland form a closed pressure cavity B; the pressure cavity A is provided with a port A for introducing liquid, and the pressure cavity B is provided with a port B for introducing liquid.
2. The female expansion joint arrangement of claim 1, wherein: and liquid is filled in the pressure cavity A and the pressure cavity B.
3. The female expansion joint arrangement of claim 1, wherein: the free end of the outer telescopic sleeve is connected with a pipe connecting socket A, and the free end of the inner telescopic sleeve is connected with a pipe connecting socket B.
4. A female expansion joint arrangement according to claim 3, wherein: a closed joint socket is arranged at one end of the narrow part far away from the wide part, and a flange is arranged at one end of the wide part far away from the narrow part; wherein, the bell mouth of the closed joint is butted with the pipe bell and spigot A, and the flange is connected with the sealing gland.
5. The female expansion joint arrangement of claim 4, wherein: the socket joint body is provided with a screw rod adjusting mechanism, and the screw rod adjusting mechanism comprises a support A arranged on the outer wall of the inner telescopic sleeve and a support B arranged on the outer wall of the wide part; an adjusting nut is respectively arranged in the bracket A and the bracket B; the bracket A and the bracket B are used for adjusting the axial limit of the nut; an adjusting screw rod is further arranged between the two supports, one end of the adjusting screw rod penetrates through the flange, the through hole in the support B and the adjusting nut in the support B, and the other end of the screw rod penetrates through the through hole in the support A and the adjusting nut in the support A; and the screw rod is in threaded connection with the adjusting nut.
6. The female expansion joint arrangement of claim 5, wherein: the adjusting screw rod is full thread.
7. The female expansion joint arrangement of claim 5, wherein: the structure of the bracket A is the same as that of the bracket B, the bracket A and the bracket B both comprise a left bracket body and a right bracket body which are arranged in a mirror image mode, and the adjusting nut is positioned between the two bracket bodies and used for preventing the left and right displacement of the adjusting nut.
8. The female expansion joint arrangement of claim 5, wherein: the number of the screw rod adjusting mechanisms is at least 2.
9. The female expansion joint arrangement of claim 1, wherein: and the sealing gland is provided with a unthreaded hole for the screw to pass through, and the unthreaded hole is opposite to the unthreaded hole on the flange and used for the screw to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089042.6U CN218543534U (en) | 2022-11-17 | 2022-11-17 | Socket expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089042.6U CN218543534U (en) | 2022-11-17 | 2022-11-17 | Socket expansion joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218543534U true CN218543534U (en) | 2023-02-28 |
Family
ID=85262906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223089042.6U Active CN218543534U (en) | 2022-11-17 | 2022-11-17 | Socket expansion joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218543534U (en) |
-
2022
- 2022-11-17 CN CN202223089042.6U patent/CN218543534U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A socket expansion joint device Granted publication date: 20230228 Pledgee: Tieling Branch of Shengjing Bank Co.,Ltd. Pledgor: TIELING SPECIAL VALVE Corp. Registration number: Y2024210000029 |