CN216666821U - Parallel sliding type expansion joint - Google Patents
Parallel sliding type expansion joint Download PDFInfo
- Publication number
- CN216666821U CN216666821U CN202123207223.XU CN202123207223U CN216666821U CN 216666821 U CN216666821 U CN 216666821U CN 202123207223 U CN202123207223 U CN 202123207223U CN 216666821 U CN216666821 U CN 216666821U
- Authority
- CN
- China
- Prior art keywords
- sliding
- sealing
- cover plate
- piston block
- expansion joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 238000009434 installation Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a parallel sliding type expansion joint, which is technically characterized in that: the sliding device comprises a sliding barrel, wherein a piston block is arranged in the sliding barrel in a sliding mode, a threaded hole is formed in the piston block, a sliding pipe is connected with one end of the sliding barrel in a threaded mode, a threaded groove is formed in one end of the sliding barrel, a sealing cover plate is connected with the threaded groove in a threaded mode, and one side of the sliding pipe is arranged on the sealing cover plate in a sliding mode; the sliding tube is sleeved with a spring, two ends of the spring are respectively abutted to the sealing cover plate and the piston block, two first annular sealing grooves are formed in the circumferential surface of the piston block, the spring mounted on the sliding tube is abutted to the sealing cover plate and the piston block, the piston block is convenient to reset, the sealing performance of the joint is greatly improved through the sealing rings mounted in the two first annular sealing grooves, the bearing pressure is improved, the telescopic displacement of the sliding tube is longer, and the application range of the joint is enlarged.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a parallel sliding type expansion joint.
Background
The expansion joint is mainly used for adjustment according to field installation size during installation and maintenance, and can transmit axial thrust to the whole pipeline system during operation. Therefore, the working efficiency is improved, and pipeline equipment such as pumps and valves are protected to a certain extent.
The existing expansion joint has the disadvantages of weak pressure resistance, incapability of bearing larger pressure, common sealing performance and short displacement stroke.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a parallel sliding type expansion joint, so as to solve the problems mentioned above in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a parallel sliding type telescopic joint comprises a sliding barrel, wherein a piston block is arranged in the sliding barrel in a sliding mode, a threaded hole is formed in the piston block, a sliding pipe is connected with the threaded hole in an internal thread mode, a threaded groove is formed in one end of the sliding barrel, a sealing cover plate is connected with the threaded groove in the internal thread mode, and one side of the sliding pipe is arranged on the sealing cover plate in a sliding mode;
the sliding cylinder is sleeved with a spring, two ends of the spring are respectively abutted to the sealing cover plate and the piston block, two first annular sealing grooves are formed in the circumferential surface of the piston block, sealing rings are installed in the two first annular sealing grooves, and one side of each first annular sealing groove is in contact with the inner wall of the sliding cylinder.
Preferably, a first sealing gasket is installed in the thread groove, and one end of the sealing cover plate abuts against the first sealing gasket.
Preferably, a second sealing gasket is arranged in the threaded hole, and one end of the sliding pipe abuts against the second sealing gasket.
Preferably, a second annular sealing groove is formed in the sealing cover plate, and a third sealing gasket is installed in the second annular sealing groove.
Preferably, the sealing cover plate and the sliding barrel are welded with a plurality of fixing blocks distributed at equal intervals on the surface, and the fixing blocks are provided with positioning holes.
Preferably, two of the positioning holes are internally provided with bolts, and the bolts are sleeved with spring gaskets.
Preferably, the sliding cylinder and one side end of the sliding pipe are both provided with a flange part, and the flange part is provided with a plurality of mounting preformed holes.
Compared with the prior art, the utility model has the beneficial effects that:
in the parallel sliding type telescopic joint, the piston block is convenient to slide through the sliding cylinder, the sliding pipe is convenient to be arranged on the piston block through the thread groove and is convenient to slide, the sealing performance of the sliding cylinder is improved through the sealing cover plate, and the joint is prevented from leaking;
in the second parallel sliding type telescopic joint, the spring mounted on the sliding cylinder supports against the sealing cover plate and the piston block, so that the piston block is convenient to reset, the sealing performance of the joint is greatly improved through the sealing rings mounted in the two first annular sealing grooves, the bearing pressure is improved, the telescopic displacement of the sliding pipe is longer, and the application range of the joint is enlarged.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a structural sectional view of the present invention.
In the figure: 1. a slide cylinder; 2. a piston block; 3. a threaded hole; 4. a sliding tube; 5. a thread groove; 6. sealing the cover plate; 7. a first sealing gasket; 8. a spring; 9. a first annular seal groove; 10. a seal ring; 11. a second sealing gasket; 12. a second annular seal groove; 13. a third sealing gasket; 14. a fixed block; 15. positioning holes; 16. a bolt; 17. a spring washer; 18. a flange portion; 19. and installing the prepared hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a parallel sliding type telescopic joint comprises a sliding barrel 1, wherein a piston block 2 is slidably mounted in the sliding barrel 1, a threaded hole 3 is formed in the piston block 2, a sliding pipe 4 is connected with the threaded hole 3 in an internal thread manner, a threaded groove 5 is formed in one end of the sliding barrel 1, a sealing cover plate 6 is connected with the threaded groove 5 in the internal thread manner, one side of the sliding pipe 4 is slidably mounted on the sealing cover plate 6, the sliding barrel 1 is convenient for the piston block 2 to slide, the sliding pipe 4 is convenient to mount on the piston block 2 through the threaded groove 5 and is convenient for the sliding pipe 4 to slide, the sealing performance of the sliding barrel 1 is improved through the sealing cover plate 6, and the joint is prevented from leaking;
the cover is equipped with spring 8 on slide cartridge 1, the both ends of spring 8 are supported respectively and are stopped on sealed apron 6 and piston block 2, two first annular seal grooves 9 have been seted up on the circumferential surface of piston block 2, install sealing washer 10 in two first annular seal grooves 9, one side of first annular seal groove 9 contacts with the inner wall of slide cartridge 1, spring 8 through installing on slide cartridge 1 supports and stops on sealed apron 6 and piston block 2, make things convenient for piston block 2 to reset, the sealing performance who connects is improved greatly through the sealing washer 10 of installing in two first annular seal grooves 9, improve the pressure that bears, the flexible displacement of slide tube 4 is longer, improve and connect application range.
In this embodiment, preferably, the first sealing gasket 7 is installed in the thread groove 5, one end of the sealing cover plate 6 abuts against the first sealing gasket 7, and the first sealing gasket 7 is installed in the thread groove 5, which is beneficial to improving the sealing performance of the joint of the sealing cover plate 6.
In this embodiment, preferably, the second sealing gasket 11 is installed in the threaded hole 3, one end of the sliding tube 4 abuts against the second sealing gasket 11, and the second sealing gasket 11 is favorable for improving the sealing performance of the joint between the end of the sliding tube 4 and the threaded hole 3, so as to prevent the threaded hole 3 from being corroded.
In this embodiment, preferably, the sealing cover plate 6 is provided with a second annular sealing groove 12, a third sealing gasket 13 is installed in the second annular sealing groove 12, and the third sealing gasket 13 installed in the second annular sealing groove 12 is beneficial to improving the sealing performance between the sliding pipe 4 and the sealing cover plate 6, so as to prevent the joint from leaking when in use.
In this embodiment, preferably, a plurality of fixing blocks 14 distributed at equal intervals are welded on the surface of the sliding barrel 1 and the sealing cover plate 6, positioning holes 15 are formed in the fixing blocks 14, the sealing cover plate 6 and the sliding barrel 1 are conveniently fixed through the welded fixing blocks 14, and the positioning accuracy is improved through the positioning holes 15.
In this embodiment, preferably, the bolts 16 are installed in the two positioning holes 15, the bolts 16 are sleeved with the spring gaskets 17, and the bolts 16 are installed on the two positioning holes 15, so that the firmness of the connection between the slide cartridge 1 and the sealing cover plate 6 is improved, and the bolts 16 are prevented from loosening through the spring gaskets 17.
In this embodiment, preferably, the end portions of one side of the sliding cylinder 1 and the sliding pipe 4 are both provided with a flange portion 18, the flange portion 18 is provided with a plurality of installation preformed holes 19, and the plurality of installation preformed holes 19 formed in the flange portion 18 facilitate connection of the joint and the pipeline.
The working principle is as follows: when the parallel sliding type telescopic joint is used, a sealing ring 10 is arranged in a first annular sealing groove 9 on a piston block 2, a sliding pipe 4 penetrates through a sealing cover plate 6 and is sleeved with a spring 8, then the sliding pipe is aligned with a threaded hole 3 on the piston block 2 to be in threaded connection, the sealing cover plate 6 is aligned with a threaded groove 5, and the sliding pipe is in threaded connection with a sliding barrel 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a parallel slidingtype expansion joint, includes slide cartridge (1), its characterized in that: a piston block (2) is arranged in the sliding cylinder (1) in a sliding mode, a threaded hole (3) is formed in the piston block (2), a sliding pipe (4) is connected to the threaded hole (3) in an internal thread mode, a threaded groove (5) is formed in one end of the sliding cylinder (1), a sealing cover plate (6) is connected to the threaded groove (5) in an internal thread mode, and one side of the sliding pipe (4) is arranged on the sealing cover plate (6) in a sliding mode;
the sliding cylinder (1) is sleeved with a spring (8), two ends of the spring (8) are respectively abutted against the sealing cover plate (6) and the piston block (2), two first annular sealing grooves (9) are formed in the circumferential surface of the piston block (2), two sealing rings (10) are installed in the first annular sealing grooves (9), and one side of each first annular sealing groove (9) is in contact with the inner wall of the sliding cylinder (1).
2. A parallel slide type expansion joint according to claim 1, wherein: a first sealing gasket (7) is arranged in the thread groove (5), and one end of the sealing cover plate (6) is abutted against the first sealing gasket (7).
3. A parallel slide type expansion joint according to claim 1, wherein: a second sealing gasket (11) is installed in the threaded hole (3), and one end of the sliding tube (4) abuts against the second sealing gasket (11).
4. The parallel sliding type expansion joint according to claim 1, wherein: a second annular sealing groove (12) is formed in the sealing cover plate (6), and a third sealing gasket (13) is installed in the second annular sealing groove (12).
5. A parallel slide type expansion joint according to claim 1, wherein: the sealing cover plate (6) and the sliding barrel (1) are welded with a plurality of fixing blocks (14) distributed at equal intervals on the surface, and the fixing blocks (14) are provided with positioning holes (15).
6. The parallel sliding type expansion joint as claimed in claim 5, wherein: bolts (16) are installed in the two positioning holes (15), and spring gaskets (17) are sleeved on the bolts (16).
7. A parallel slide type expansion joint according to claim 1, wherein: the sliding barrel (1) and the end part of one side of the sliding pipe (4) are both provided with flange parts (18), and a plurality of installation preformed holes (19) are formed in the flange parts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123207223.XU CN216666821U (en) | 2021-12-20 | 2021-12-20 | Parallel sliding type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123207223.XU CN216666821U (en) | 2021-12-20 | 2021-12-20 | Parallel sliding type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216666821U true CN216666821U (en) | 2022-06-03 |
Family
ID=81792957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123207223.XU Expired - Fee Related CN216666821U (en) | 2021-12-20 | 2021-12-20 | Parallel sliding type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216666821U (en) |
-
2021
- 2021-12-20 CN CN202123207223.XU patent/CN216666821U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210068049U (en) | Oil extraction well head with good sealing effect | |
| CN216666821U (en) | Parallel sliding type expansion joint | |
| CN216618659U (en) | High temperature resistant check valve of stability | |
| CN216382076U (en) | Anti-leakage hydraulic oil cylinder | |
| CN215721450U (en) | High-temperature-resistant and corrosion-resistant composite sealing element | |
| CN211398860U (en) | Clamp formula annular pipe connects flexible line connection structure | |
| CN110541996B (en) | Sealing device of sea pipe leaking stoppage pipe clamp and sea pipe leaking stoppage equipment | |
| CN210920475U (en) | Double-layer protective high-pressure oil pipe capable of steering | |
| CN210715949U (en) | Bomb type mechanical sealing device | |
| CN220286451U (en) | High-sealing rotary butterfly steel gate | |
| CN220379138U (en) | Leak-proof flange plate | |
| CN216812116U (en) | Hydraulic pump sealing device | |
| CN220082393U (en) | Leak protection formula water conservancy pipeline | |
| CN213576091U (en) | Flange gasket with high corrosion resistance | |
| CN214578534U (en) | Sealing device for hydraulic damper | |
| CN217762149U (en) | Electric pulverized coal spraying ball valve | |
| CN220204982U (en) | Flange with good sealing effect | |
| CN220749344U (en) | Wall pipeline waterproof structure | |
| CN216715500U (en) | Fire-fighting pipeline mounting structure | |
| CN110242810B (en) | Flanging-based high-pressure pipeline quick connecting device and using method thereof | |
| CN201875136U (en) | Hydraulic sealing device | |
| CN211145755U (en) | Loose joint structure of valve and pipe fitting | |
| CN214789006U (en) | Oil-resistant sealing rubber ring | |
| CN220566230U (en) | Plunger pump case lid | |
| CN218094832U (en) | Sealed rotary joint for pressure-bearing fluid pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |