CN216666820U - Groove type expansion joint - Google Patents
Groove type expansion joint Download PDFInfo
- Publication number
- CN216666820U CN216666820U CN202123021642.4U CN202123021642U CN216666820U CN 216666820 U CN216666820 U CN 216666820U CN 202123021642 U CN202123021642 U CN 202123021642U CN 216666820 U CN216666820 U CN 216666820U
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- Prior art keywords
- sleeve
- expansion joint
- sealing ring
- flange portion
- flange
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction 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
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Abstract
The utility model discloses a groove type expansion joint, which is technically characterized in that: comprises a first sleeve, a second sleeve, a first flange part and a second flange part, wherein the first flange part is fixedly arranged on the first sleeve, the second flange part is fixedly arranged on the second sleeve, one end of the first sleeve is provided with a sliding part, an annular slot is formed in the second sleeve, a first sealing ring is installed in the annular slot, one end of the sliding part is inserted in the annular slot, and is abutted against the first sealing ring, a threaded cover plate is sleeved on the outer side surface of the sliding part, through the installation that a plurality of first through-holes of seting up in two third flange portions made things convenient for double-end screw, the first spring of installation is favorable to improving the compressive capacity between first sleeve and the second sleeve and the stability of structure through double-end screw, can bear great impact force degree, improves expansion joint's practicality.
Description
Technical Field
The utility model relates to the technical field of expansion joints, in particular to a groove type expansion joint.
Background
The expansion joint is a pipeline compensation joint, is a new product for connecting equipment such as a pump, a valve, a pipeline and the like with the pipeline, is connected by bolts to form a whole and has certain displacement.
The groove type expansion joint is inconvenient to install, relatively poor in sealing performance and structural stability and relatively weak in pressure resistance when used.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a groove-type expansion joint to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme: a groove type expansion joint comprises a first sleeve, a second sleeve, a first flange part and a second flange part, wherein the first flange part is fixedly arranged on the first sleeve, the second flange part is fixedly arranged on the second sleeve, one end of the first sleeve is provided with a sliding part, the second sleeve is provided with an annular slot, a first sealing ring is arranged in the annular slot, one end of the sliding part is inserted into the annular slot and abuts against the first sealing ring, the outer side surface of the sliding part is sleeved with a threaded cover plate, a second sealing ring is arranged on the threaded cover plate, and the threaded cover plate is installed on the second sleeve in a threaded mode;
first sleeve with all install third flange portion on the second sleeve, set up the first through-hole that a plurality of equidistance distribute in the third flange portion, the double-end screw is equipped with in the interpolation of first through-hole, the cover is equipped with first spring on the double-end screw, the both ends threaded connection of double-end screw has first nut.
Preferably, the first flange part and the second flange part are respectively provided with a plurality of second through holes and a plurality of stepped holes.
Preferably, the plurality of stepped holes are internally provided with hexagonal screws, one ends of the hexagonal screws are inserted into the first through holes, and the tail ends of the hexagonal screws are connected with second nuts in a threaded manner.
Preferably, a plurality of second springs are installed between the first flange portion and one of the third flange portions, a plurality of third springs are installed between the second flange portion and the other third flange portion, and the second springs and the third springs are both sleeved on the hexagon socket head cap screws.
Preferably, both ends of the double-end screw rod are sleeved with spring gaskets, and the spring gaskets are in contact with one side surface of the first nut.
Preferably, the first through hole and the second through hole have the same diameter.
Preferably, an annular groove is formed in the side surface of the second sleeve, and a third sealing ring is installed in the annular groove.
Preferably, the third sealing ring, the first sealing ring and the second sealing ring are all rubber sealing rings.
Compared with the prior art, the utility model has the beneficial effects that:
in the first groove type telescopic joint and the groove type telescopic joint, the sliding part arranged at one end of the first sleeve is conveniently inserted into the annular slot in the second sleeve, so that the first sleeve can conveniently stretch and move in the second sleeve, and the first sealing ring and the second sealing ring arranged on the threaded cover plate are favorable for improving the sealing property between the first sleeve and the second sleeve;
in second, this slot type expansion joint, through the installation that a plurality of first through-holes of seting up in two third flange portions made things convenient for double-end screw, the first spring of installation is favorable to improving the compressive capacity between first sleeve and the second sleeve and the stability of structure through double-end screw, can bear great impact force degree, improves expansion joint's practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is a partially enlarged view of fig. 2 at B.
In the figure: 1. a first sleeve; 2. a second sleeve; 3. a first flange portion; 4. a second flange portion; 5. a sliding part; 6. an annular slot; 7. a first seal ring; 8. a threaded cover plate; 9. a second seal ring; 10. a third flange portion; 11. a first through hole; 12. a double-ended screw; 13. a first spring; 14. a first nut; 15. a second through hole; 16. a stepped hole; 17. a hexagon socket head cap screw; 18. a second spring; 19. a third spring; 20. a spring washer; 21. an annular groove; 22. a third seal ring; 23. a second nut.
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. 1-4, the present invention provides a technical solution: a groove type expansion joint comprises a first sleeve 1, a second sleeve 2, a first flange part 3 and a second flange part 4, wherein the first flange part 3 is fixedly arranged on the first sleeve 1, the second flange part 4 is fixedly arranged on the second sleeve 2, one end of the first sleeve 1 is provided with a sliding part 5, the second sleeve 2 is provided with an annular slot 6, a first sealing ring 7 is arranged in the annular slot 6, one end of the sliding part 5 is inserted in the annular slot 6 and abuts against the first sealing ring 7, the outer side surface of the sliding part 5 is sleeved with a threaded cover plate 8, a second sealing ring 9 is arranged on the threaded cover plate 8, the threaded cover plate 8 is arranged on the second sleeve 2 in a threaded manner, the sliding part 5 arranged at one end of the first sleeve 1 is conveniently inserted in the annular slot 6 in the second sleeve 2, and the first sleeve 1 can conveniently move in the second sleeve 2 in an expansion manner, the first sealing ring 7 and the second sealing ring 9 arranged on the threaded cover plate 8 are beneficial to improving the sealing property between the first sleeve 1 and the second sleeve 2;
all install third flange portion 10 on first sleeve 1 and the second sleeve 2, set up the first through-hole 11 that a plurality of equidistance distribute on the third flange portion 10, double-end screw 12 is equipped with in 11 interpolations of first through-hole, the cover is equipped with first spring 13 on the double-end screw 12, double-end screw 12's both ends threaded connection has first nut 14, a plurality of first through-holes 11 through seting up on two third flange portions 10 make things convenient for double-end screw 12's installation, first spring 13 through installing on the double-end screw 12 is favorable to improving the compressive capacity and the stability of structure between first sleeve 1 and the second sleeve 2, can bear great impact force, improve expansion joint's practicality.
In this embodiment, preferably, the first flange portion 3 and the second flange portion 4 are respectively provided with a plurality of second through holes 15 and a plurality of stepped holes 16, and the plurality of second through holes 15 and the plurality of stepped holes 16 provided on the first flange portion 3 and the second flange portion 4 facilitate installation and fixation of the expansion joint.
In this embodiment, preferably, the inside hexagonal screws 17 are all installed in the plurality of stepped holes 16, one end of the inside hexagonal screw 17 is inserted into the first through hole 11, the end of the inside hexagonal screw 17 is connected with the second nut 23 in a threaded manner, and the inside hexagonal screw 17 is installed in the stepped holes 16 formed in the first flange portion 3 and the second flange portion 4, so that the overall stability of the expansion joint is improved, and the connection strength is enhanced.
In this embodiment, preferably, a plurality of second springs 18 are installed between the first flange portion 3 and one of the third flange portions 10, a plurality of third springs 19 are installed between the second flange portion 4 and the other third flange portion 10, the second springs 18 and the third springs 19 are both sleeved on the inner hexagonal screw 17, and the compression resistance and the impact strength of the expansion joint are greatly improved by the plurality of second springs 18 and the plurality of third springs 19 sleeved on the inner hexagonal screw 17.
In this embodiment, preferably, the two ends of the double-threaded screw 12 are respectively sleeved with a spring washer 20, the spring washer 20 is in contact with one side surface of the first nut 14, and the first nut 14 is convenient to loosen through the spring washer 20 mounted on the double-threaded screw 12.
In this embodiment, preferably, the first through hole 11 and the second through hole 15 have the same aperture, and the first through hole 11 and the second through hole 15 have the same aperture, which facilitates processing and avoids the complexity of processing.
In this embodiment, preferably, an annular groove 21 is formed in a side surface of the second sleeve 2, a third sealing ring 22 is installed in the annular groove 21, and the sealing performance of the connection between the second sleeve 2 and the first sleeve 1 is further improved by the third sealing ring 22 installed in the annular groove 21.
In this embodiment, preferably, the third seal ring 22, the first seal ring 7, and the second seal ring 9 are all rubber seal rings, which have elasticity and resilience, and appropriate mechanical strength, and good expansion strength, elongation, and tear strength.
The working principle is as follows: when the groove type expansion joint is used, the first sealing ring 7 is installed in the annular slot 6, the second sealing ring 9 is fixed in the threaded cover plate 8, one end of the double-threaded screw 12 is inserted into the third flange portion 10, the sliding portion 5 at one end of the first sleeve 1 is inserted into the annular slot 6 in the second sleeve 2, the threaded cover plate 8 is rotated, the threaded cover plate 8 is in threaded connection with the second sleeve 2, the first spring 13 is sleeved on the double-threaded screw 12, the first nut 14 is screwed, the first sleeve 1 and the second sleeve 2 are connected, the first flange portion 3 and the second flange portion 4 are installed on a pipeline through screws, and the installation of the first sleeve 1 and the second sleeve 2 is completed.
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 (8)
1. The utility model provides a slot type expansion joint, includes first sleeve (1), second sleeve (2), first flange portion (3) and second flange portion (4), its characterized in that: the first flange part (3) is fixedly installed on the first sleeve (1), the second flange part (4) is fixedly installed on the second sleeve (2), a sliding part (5) is arranged at one end of the first sleeve (1), an annular slot (6) is formed in the second sleeve (2), a first sealing ring (7) is installed in the annular slot (6), one end of the sliding part (5) is inserted into the annular slot (6) and abuts against the first sealing ring (7), a threaded cover plate (8) is sleeved on the outer side surface of the sliding part (5), a second sealing ring (9) is installed on the threaded cover plate (8), and the threaded cover plate (8) is installed on the second sleeve (2) in a threaded mode;
first sleeve (1) with all install third flange portion (10) on second sleeve (2), set up first through-hole (11) that a plurality of equidistance distribute on third flange portion (10), stud (12) are equipped with in first through-hole (11) interpolation, the cover is equipped with first spring (13) on stud (12), the both ends threaded connection of stud (12) has first nut (14).
2. The slotted expansion joint of claim 1, wherein: the first flange part (3) and the second flange part (4) are respectively provided with a plurality of second through holes (15) and a plurality of stepped holes (16).
3. A slotted expansion joint according to claim 2, wherein: the multiple stepped holes (16) are internally provided with inner hexagonal screws (17), one ends of the inner hexagonal screws (17) are inserted into the first through holes (11), and the tail ends of the inner hexagonal screws (17) are in threaded connection with second nuts (23).
4. A slotted expansion joint according to claim 3, wherein: the first flange portion (3) and one of them install a plurality of second springs (18) between third flange portion (10), second flange portion (4) and another install a plurality of third springs (19) between third flange portion (10), second spring (18) with third spring (19) all suit is in on hexagonal socket screw (17).
5. The slotted expansion joint of claim 1, wherein: both ends of the double-end screw rod (12) are sleeved with spring gaskets (20), and the spring gaskets (20) are in contact with one side surface of the first nut (14).
6. A slotted expansion joint according to claim 2, wherein: the first through hole (11) and the second through hole (15) have the same aperture.
7. The slotted expansion joint of claim 1, wherein: an annular groove (21) is formed in the side surface of the second sleeve (2), and a third sealing ring (22) is installed in the annular groove (21).
8. The slotted expansion joint of claim 7, wherein: the third sealing ring (22), the first sealing ring (7) and the second sealing ring (9) are all rubber sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021642.4U CN216666820U (en) | 2021-12-03 | 2021-12-03 | Groove type expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021642.4U CN216666820U (en) | 2021-12-03 | 2021-12-03 | Groove type expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216666820U true CN216666820U (en) | 2022-06-03 |
Family
ID=81793187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123021642.4U Expired - Fee Related CN216666820U (en) | 2021-12-03 | 2021-12-03 | Groove type expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216666820U (en) |
-
2021
- 2021-12-03 CN CN202123021642.4U patent/CN216666820U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |