CN220337799U - Novel pipeline compensation limiting expansion device - Google Patents
Novel pipeline compensation limiting expansion device Download PDFInfo
- Publication number
- CN220337799U CN220337799U CN202321901478.2U CN202321901478U CN220337799U CN 220337799 U CN220337799 U CN 220337799U CN 202321901478 U CN202321901478 U CN 202321901478U CN 220337799 U CN220337799 U CN 220337799U
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- Prior art keywords
- flange
- limit
- gland
- valve body
- spacing
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- 210000004907 gland Anatomy 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 17
- 238000007790 scraping Methods 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model relates to the technical field of pipeline connection and discloses a novel pipeline compensation limit expansion joint, which comprises a valve body sleeve, a telescopic cylinder movably connected in the valve body sleeve, a telescopic end flange fixedly connected with the telescopic cylinder, limit screws symmetrically arranged and fixedly connected with the telescopic end flange, a limit flange fixedly connected with the valve body sleeve, a gland flange arranged on one side of the limit flange, and a gland screw penetrating through the limit flange and the gland flange.
Description
Technical Field
The utility model relates to the technical field of pipeline connection, in particular to a novel pipeline compensation limiting expansion joint.
Background
The urban water supply and drainage, sewage, industrial petrochemical industry and the like are all separated from various pipelines, the lengths of the pipelines can be correspondingly changed along with the influence of natural factors such as weather changes, earthquakes and the like, and special compensation limiting retractors are needed to be additionally arranged at the connecting positions of the pipelines in order to ensure the safety of the pipelines.
The sealing ring of the existing pipeline compensator is small in cross section, so that leakage points are easy to appear, the expansion amount of the existing pipeline compensator is limited, the whole structure is long, the practicability of the device is reduced, and the novel pipeline compensation limiting expansion joint is provided.
Disclosure of Invention
In order to solve the problems that the leakage point is easy to appear and the practicability of the device is poor due to the fact that the sectional area of a sealing ring of the existing pipeline compensator is small in the background art, the utility model provides a novel pipeline compensation limiting telescopic device.
The utility model is realized by adopting the following technical scheme: the utility model provides a novel spacing expansion bend of pipeline compensation, includes valve body sleeve, swing joint at the inside flexible section of thick bamboo of valve body sleeve, with flexible end flange, the symmetry setting and with flexible end flange fixed connection's spacing screw rod, with valve body sleeve fixed connection's spacing flange, set up the gland flange in spacing flange one side, run through spacing flange and gland screw rod of gland flange, threaded connection is at the outside gland nut of gland screw rod both sides and add the sealing rubber circle of establishing between spacing flange and gland flange.
As a further improvement of the scheme, the limit screw penetrates through the limit flange and the gland flange at the same time, and both sides of the limit screw are externally connected with limit nuts in a threaded manner, so that the positions of the limit flange and the gland flange on the limit screw can be conveniently adjusted and limited and fixed.
As a further improvement of the scheme, one end of the valve body sleeve is fixedly connected with a valve body end flange, so that the valve body end flange is convenient to connect with an external pipeline.
As a further improvement of the scheme, the gland screw and the gland nut are made of three-zero-four stainless steel materials, so that the corrosion resistance of the device can be improved, and the service life of the device is prolonged.
As a further improvement of the scheme, the limit screw and the limit nut are made of three-zero-four stainless steel materials, so that the corrosion resistance of the device can be improved, and the service life of the device is prolonged.
As the further improvement of above-mentioned scheme, the outside swing joint of flexible section of thick bamboo has the annular to scrape the strip, equidistant fixed mounting has the spring between annular and the flexible end flange, is convenient for promote annular when the device shrink and scrape the strip and scrape the outside dust impurity of flexible section of thick bamboo, prevents that it from taking place wearing and tearing with sealing rubber circle contact and influencing the leakproofness of device.
Compared with the prior art, the utility model has the beneficial effects that:
1. the sealing surface of the valve body is arranged on the flange of the middle channel valve body, so that the integral rigidity of the valve body can be effectively ensured, the sealing performance can be increased, the allowable specific pressure bearing area of the rubber sealing surface can be effectively ensured, and the rubber valve seat is prevented from being extruded and damaged due to large acting force of a medium, so that the service life of the valve can be greatly prolonged.
2. The telescopic cylinder can be completely telescopic into the valve body sleeve, and the valve body structure and the mode of limiting the fixing bolt are changed, so that the valve body has the excellent performances of short structure length and large telescopic quantity compared with the conventional telescopic joint, and the telescopic range of the telescopic cylinder is more than 2 times of that of the conventional telescopic joint.
3. When the telescopic cylinder is contracted, the annular scraping strip is pushed to move by the limiting flange to scrape dust impurities outside the telescopic cylinder, so that the influence on the tightness of the device caused by abrasion of the dust impurities in contact with the sealing rubber ring can be prevented, and the service life of the sealing rubber ring is further prolonged.
Drawings
FIG. 1 is a schematic view of the longitudinal section of the present utility model;
FIG. 2 is a schematic view of the fully extended state of the present utility model in longitudinal section;
FIG. 3 is a schematic view of the fully retracted state of the present utility model in longitudinal section.
Main symbol description:
1. a valve body sleeve; 2. a telescopic cylinder; 3. a telescoping end flange; 4. a limit screw; 5. a limiting flange; 6. a gland flange; 7. capping the screw; 8. pressing a nut; 9. sealing the rubber ring; 10. a limit nut; 11. a valve body end flange; 12. an annular scraping strip; 13. and (3) a spring.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1:
referring to fig. 1-3, the novel pipeline compensation limit telescopic device of the embodiment comprises a valve body sleeve 1, a telescopic cylinder 2 movably connected inside the valve body sleeve 1, a telescopic end flange 3 fixedly connected with the telescopic cylinder 2, limit screws 4 symmetrically arranged and fixedly connected with the telescopic end flange 3, a limit flange 5 fixedly connected with the valve body sleeve 1, a gland flange 6 arranged on one side of the limit flange 5, a gland screw 7 penetrating through the limit flange 5 and the gland flange 6, gland nuts 8 in threaded connection on two sides of the gland screw 7 and sealing rubber rings 9 additionally arranged between the limit flange 5 and the gland flange 6, wherein the limit screw 4 penetrates through the limit flange 5 and the gland flange 6 at the same time, limit nuts 10 are in threaded connection on two sides of the limit screw 4 at the same time, the limit flanges 5 and the gland flange 6 are convenient to adjust and limit the positions of the limit screws 4, one end of the valve body sleeve 1 is fixedly connected with the valve body end flange 11, the external pipeline is convenient to connect, and the gland screw 7 and the gland nuts 8 and the limit screws 4 and the limit nuts 10 are all made of three-zero four stainless steel materials, so that the service life of the device can be prolonged.
The implementation principle of the novel pipeline compensation limiting telescopic device in the embodiment of the application is as follows: firstly, the gland screw 7 penetrates through the limit flange 5 and the gland flange 6, the sealing rubber ring 9 is arranged between the limit flange 5 and the gland flange 6, then the limit flange 5 and the gland flange 6 are fixed in a limiting manner through the gland nut 8 to squeeze and clamp the sealing rubber ring 9, then one end of the telescopic cylinder 2 is inserted into the valve body sleeve 1, meanwhile, the limit screw 4 penetrates through the limit flange 5 and the gland flange 6, finally, the positions of the limit flange 5 and the gland flange 6 are fixed in a limiting manner through two groups of limit nuts 10, when the expansion amount is required to be adjusted, the limit nut 10 is used for limiting and fixing the limit flange 5 and the gland flange 6, the valve body sleeve 1 is pushed or pulled, when the expansion amount is adjusted to the required expansion amount, the limit nut 10 is used for limiting and fixing the limit flange 5 and the gland flange 6 again, and when a pipeline is contracted, the annular scraping strip 12 is pushed to scrape dust impurities outside the telescopic cylinder 2, the dust impurities are prevented from being worn and the sealing rubber ring 9, the sealing performance of the device is influenced by the contact, when the annular scraping strip is enabled to be always exposed to the surface of the annular scraping strip 2, and the annular scraping strip can be kept clean under the contact of the surface of the annular scraping strip 2 by the elastic action of the spring 13.
Example 2:
the further improvement of this embodiment on the basis of embodiment 1 is that: the outside swing joint of flexible section of thick bamboo 2 has annular to scrape strip 12, and equidistant fixed mounting has spring 13 between annular scraping strip 12 and the flexible end flange 3, is convenient for promote annular scraping strip 12 when the device shrink and scrapes the outside dust impurity of flexible section of thick bamboo 2, prevents that it from wearing and tearing with sealing rubber circle 9 contact and taking place the leakproofness that influences the device.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (6)
1. The utility model provides a novel spacing expansion bend of pipeline compensation, a serial communication port, including valve body sleeve (1), swing joint is at the inside flexible section of thick bamboo (2) of valve body sleeve (1), flexible end flange (3) with flexible section of thick bamboo (2) fixed connection, the symmetry sets up and with spacing screw rod (4) of flexible end flange (3) fixed connection, spacing flange (5) with valve body sleeve (1) fixed connection, set up gland flange (6) in spacing flange (5) one side, gland screw rod (7) of running through spacing flange (5) and gland flange (6), threaded connection is at gland nut (8) of gland screw rod (7) both sides outside and add sealing rubber circle (9) of establishing between spacing flange (5) and gland flange (6).
2. The novel pipeline compensation limit telescopic device according to claim 1, wherein the limit screw (4) simultaneously penetrates through the limit flange (5) and the gland flange (6), and limit nuts (10) are connected to the two sides of the limit screw (4) in an external threaded mode.
3. A novel pipeline compensation limit telescopic device according to claim 1, wherein one end of the valve body sleeve (1) is fixedly connected with a valve body end flange (11).
4. The novel pipeline compensation limit telescopic device according to claim 1, wherein the gland screw (7) and the gland nut (8) are made of three-zero four-stainless steel materials.
5. The novel pipeline compensation limit telescopic device according to claim 2, wherein the limit screw (4) and the limit nut (10) are made of three-zero-four stainless steel materials.
6. The novel pipeline compensation limit telescopic device according to claim 1, wherein an annular scraping strip (12) is movably connected to the outside of the telescopic cylinder (2), and springs (13) are fixedly installed between the annular scraping strip (12) and the telescopic end flange (3) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321901478.2U CN220337799U (en) | 2023-07-19 | 2023-07-19 | Novel pipeline compensation limiting expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321901478.2U CN220337799U (en) | 2023-07-19 | 2023-07-19 | Novel pipeline compensation limiting expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337799U true CN220337799U (en) | 2024-01-12 |
Family
ID=89457033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321901478.2U Active CN220337799U (en) | 2023-07-19 | 2023-07-19 | Novel pipeline compensation limiting expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337799U (en) |
-
2023
- 2023-07-19 CN CN202321901478.2U patent/CN220337799U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |