CN219755659U - Wear-resisting expansion device - Google Patents
Wear-resisting expansion device Download PDFInfo
- Publication number
- CN219755659U CN219755659U CN202320945204.7U CN202320945204U CN219755659U CN 219755659 U CN219755659 U CN 219755659U CN 202320945204 U CN202320945204 U CN 202320945204U CN 219755659 U CN219755659 U CN 219755659U
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- China
- Prior art keywords
- fixedly connected
- connecting frame
- outer sleeve
- flange
- outer tube
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000314 lubricant Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model provides a wear-resistant telescopic device, and relates to the technical field of pipeline installation. The wear-resistant telescopic device comprises an outer sleeve, an inner connecting pipe is connected to the inner portion of the outer sleeve in a sliding mode, a first flange is fixedly connected to one end of the inner connecting pipe, a second flange is fixedly connected to one end of the outer sleeve, two connecting rings are fixedly connected to the outer side of the outer sleeve, a plurality of hemispherical grooves are formed in the inner wall of the outer sleeve, the wear-resistant telescopic device is provided with a communicating groove in the inner wall of the outer sleeve, the hemispherical grooves are communicated, when sliding steel balls need to be lubricated, lubricating liquid is injected into the connecting frame through the inflow groove, a threaded rod is rotated through a plug, a pushing plate which is connected in a pushing mode is pushed by the threaded rod to move, lubricant is injected into the communicating groove through a communicating pipe, and then lubricating treatment is carried out on the sliding steel balls.
Description
Technical Field
The utility model relates to a telescopic device, in particular to a wear-resistant telescopic device, and belongs to the technical field of pipeline installation.
Background
The expansion joint is also called expansion joint, compensator and expansion joint.
The patent numbers are now disclosed: the pipeline expansion joint of CN218294842U comprises an inner connecting pipe and an outer sleeve, wherein one end of the inner connecting pipe is inserted into the outer sleeve, the other end of the inner connecting pipe is fixedly provided with a first flange, two ends of the outer sleeve are respectively fixedly provided with a third flange and a fourth flange, a second flange is movably arranged outside the inner connecting pipe, a rolling structure is arranged between the second flange and the inner connecting pipe, a screw is arranged on the first flange, and the other end of the screw is respectively locked with the second flange and the third flange through nuts; and a sealing structure is arranged between the second flange and the inner connecting pipe and comprises a sealing ring arranged on the second flange. According to the utility model, the screw rod, the inner connecting pipe, the outer sleeve, the first flange, the second flange and the third flange are arranged, the expansion amount is more than twice that of the traditional expansion device, the expansion range is effectively enlarged, the construction fault tolerance is improved, and the friction between the second flange and the inner connecting pipe is reduced by arranging the rolling structure so as to move the second flange.
The above proposal has a plurality of benefits, but the balls are inevitably worn for a long time and need to be lubricated by adding the lubricant, but the balls are positioned in the device, so that the lubricant is inconvenient to add and the later use is affected.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to solve the problems and provide a wear-resistant telescopic device, which solves the problems that in the prior art, the balls are inevitably worn for a long time, lubrication treatment is needed by adding a lubricant, the lubricant is inconvenient to add, and the later use is affected.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a wear-resisting expansion bend, includes the outer tube, the inside sliding connection of outer tube has the inscription pipe, inscription pipe one end fixedly connected with first ring flange, outer tube one end fixedly connected with second ring flange, two go-between of outer tube outside fixedly connected with, a plurality of hemisphere grooves have been seted up to the outer tube inner wall, a plurality of hemisphere inslot all is provided with rolling slip steel ball, the intercommunication groove has been seted up to the outer tube inside, the intercommunication groove communicates with each other with a plurality of hemisphere grooves, the outer tube outside is provided with the interpolation subassembly for fill into the lubricant to the intercommunication inslot, the inscription pipe other end outside is fixed with sealed the pad.
Preferably, the adding component comprises a connecting frame, the connecting frame is fixedly connected to the outer side of the outer sleeve, one end of the connecting frame is fixedly communicated with a communicating pipe, and the communicating pipe is communicated with the communicating groove.
Preferably, the adding component further comprises a pushing plate, the pushing plate is arranged inside the connecting frame, one side of the pushing plate is rotationally connected with a threaded rod, the threaded rod penetrates through the connecting frame and is in threaded connection with the connecting frame, an inflow groove is fixedly communicated with the outer side of the connecting frame, and the connecting frame lubricant can be injected into the connecting frame through the inflow groove.
Preferably, the push plate is fixedly connected with a telescopic rod at the outer side, and the telescopic rod is fixedly connected with one end inside the connecting frame.
Preferably, a sealing plug for blocking the inflow groove is arranged in the inflow groove, so that the lubricant is prevented from flowing out through the inflow groove.
Preferably, the sealing gasket is attached to the inner wall of the outer sleeve, and is made of rubber materials, so that the tightness between the outer sleeve and the inner sleeve is ensured.
Preferably, a plurality of first location threaded rods and a plurality of second location threaded rods are fixedly connected with the outer side of the first flange plate, the first location threaded rod penetrates through one of the connecting rings, the second location threaded rod penetrates through the two connecting rings, and nuts are connected with the outer sides of the first location threaded rod and the second location threaded rod in a threaded mode.
The utility model provides a wear-resistant telescopic device, which has the following beneficial effects:
1. this wear-resisting expansion bend has offered a plurality of hemisphere grooves through at the outer tube inner wall to be provided with the slip steel ball in hemisphere inslot portion, contact with the inscription pipe surface through a plurality of slip steel balls, reduce friction when making the inscription pipe carry out flexible removal, thereby improve holistic wearability, avoid producing violent wearing and tearing when outer tube inner wall and inscription pipe outside contact, improve holistic flexible flexibility, and at inscription pipe one end fixedly connected with sealing washer, improve the sealed effect between outer tube and the inscription pipe through sealing washer.
2. This wear-resisting expansion joint has offered the intercommunication groove at the outer tube inner wall, makes a plurality of hemisphere grooves communicate with each other, when needs lubricate the slip steel ball, through inflow groove to the inside injection lubrication liquid of connecting frame, rethread plug, rotate the threaded rod, make the threaded rod promote the flitch removal of rotating the connection, through communicating pipe with inside injection communication groove of lubricant, and then lubricate the slip steel ball.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a diagram showing the structure of the separation of the inner adapter tube and the outer sleeve of the present utility model;
FIG. 3 is a schematic diagram of a communication slot structure according to the present utility model;
FIG. 4 is a schematic view of a connecting frame structure according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a connecting frame according to the present utility model;
[ Main reference numerals Specification ]
1. An outer sleeve; 2. an inner connecting pipe; 3. a first flange; 4. a second flange; 6. a communication groove; 7. sliding the steel ball; 8. a connection frame; 9. a threaded rod; 10. a communicating pipe; 11. a pushing plate; 12. inflow groove; 13. hemispherical grooves; 14. a sealing gasket; 15. a first positioning threaded rod; 16. a second positioning threaded rod; 17. a connecting ring; 18. a telescopic rod; 19. and (5) sealing plugs.
Detailed Description
The embodiment of the utility model provides a wear-resistant telescopic device.
Please refer to fig. 1, fig. 2, fig. 3 and fig. 4, including outer tube 1, the inside sliding connection of outer tube 1 has inner tube 2, inner tube 2 one end fixedly connected with first ring flange 3, outer tube 1 one end fixedly connected with second ring flange 4, outer tube 1 outside fixedly connected with two go-between 17, a plurality of hemisphere grooves 13 have been seted up to outer tube 1 inner wall, a plurality of hemisphere grooves 13 are inside all to be provided with rolling sliding steel ball 7, communicating groove 6 has been seted up to outer tube 1 inside, communicating groove 6 communicates with each other with a plurality of hemisphere grooves 13, outer tube 1 outside is provided with the interpolation subassembly for fill into the lubricant to communicating groove 6 inside, inner tube 2 other end outside is fixed with sealed 14.
The sealing gasket 14 is attached to the inner wall of the outer sleeve 1, and the sealing gasket 14 is made of rubber materials, so that the tightness between the outer sleeve 1 and the inner sleeve 2 is ensured. The outer side of the first flange plate 3 is fixedly connected with a plurality of first positioning threaded rods 15 and a plurality of second positioning threaded rods 16, the first positioning threaded rods 15 penetrate through one of the connecting rings 17, the second positioning threaded rods 16 penetrate through the two connecting rings 17, and nuts are in threaded connection with the outer sides of the first positioning threaded rods 15 and the second positioning threaded rods 16.
Specifically, when the inner connecting pipe 2 is required to stretch out and draw back, through dismantling the nut in the outer side of the first positioning threaded rod 15 and the second positioning threaded rod 16, the distance between the outer sleeve 1 and the inner connecting pipe 2 is adjusted, a plurality of hemispherical grooves 13 are formed in the inner wall of the outer sleeve 1, sliding steel balls 7 are arranged in the hemispherical grooves 13, the surfaces of the inner connecting pipe 2 are contacted with the sliding steel balls 7, friction is reduced when the inner connecting pipe 2 stretches out and draws back, the overall wear resistance is improved, severe wear is avoided when the inner wall of the outer sleeve 1 is contacted with the outer side of the inner connecting pipe 2, the overall stretch out and draw back flexibility is improved, a sealing gasket 14 is fixedly connected with one end of the inner connecting pipe 2, and the sealing effect between the outer sleeve 1 and the inner connecting pipe 2 is improved through the sealing gasket 14.
Referring to fig. 1, 2, 4 and 5 again, the adding component includes a connection frame 8, the connection frame 8 is fixedly connected to the outer side of the outer sleeve 1, one end of the connection frame 8 is fixedly connected with a communication pipe 10, the communication pipe 10 is communicated with the communication groove 6, the adding component further includes a pushing plate 11, the pushing plate 11 is disposed inside the connection frame 8, one side of the pushing plate 11 is rotationally connected with a threaded rod 9, the threaded rod 9 penetrates through the connection frame 8 and is in threaded connection with the connection frame 8, an inflow groove 12 is fixedly connected to the outer side of the connection frame 8, and lubricant can be injected into the connection frame 8 through the inflow groove 12. The outside of the pushing plate 11 is fixedly connected with a telescopic rod 18, and the telescopic rod 18 is fixedly connected with one end inside the connecting frame 8. A sealing plug 19 is provided inside the inflow groove 12 to block the inflow groove 12, and to prevent the lubricant from flowing out through the inflow groove 12.
Specifically, the inner wall of the outer sleeve 1 is provided with the communication groove 6, so that the plurality of hemispherical grooves 13 are communicated, when the sliding steel ball 7 needs to be lubricated, the lubricating liquid is injected into the connecting frame 8 through the inflow groove 12, then the threaded rod 9 is rotated through the plug seal 19, the threaded rod 9 pushes the pushing plate 11 which is rotationally connected to move, the lubricant is injected into the communication groove 6 through the communication pipe 10, and further the sliding steel ball 7 is lubricated.
Working principle: when the inner connecting pipe 2 is required to stretch out and draw back, the distance between the outer sleeve 1 and the inner connecting pipe 2 is adjusted by disassembling the nuts at the outer sides of the first positioning threaded rod 15 and the second positioning threaded rod 16, a plurality of hemispherical grooves 13 are formed in the inner wall of the outer sleeve 1, sliding steel balls 7 are arranged in the hemispherical grooves 13, and the sliding steel balls 7 are contacted with the surface of the inner connecting pipe 2, so that friction is reduced when the inner connecting pipe 2 stretches out and draws back.
The inner wall of the outer sleeve 1 is provided with a communication groove 6, so that a plurality of hemispherical grooves 13 are communicated, when the sliding steel ball 7 needs to be lubricated, lubricating liquid is injected into the connecting frame 8 through the inflow groove 12, then the threaded rod 9 is rotated through the plug seal 19, so that the threaded rod 9 pushes the pushing plate 11 which is rotationally connected to move, and the lubricant is injected into the communication groove 6 through the communication pipe 10, so that the sliding steel ball 7 is lubricated.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a wear-resisting expansion bend, includes outer tube (1), inside sliding connection of outer tube (1) has inscription pipe (2), inscription pipe (2) one end fixedly connected with first ring flange (3), outer tube (1) one end fixedly connected with second ring flange (4), its characterized in that: the novel inner tube structure is characterized in that two connecting rings (17) are fixedly connected to the outer side of the outer tube (1), a plurality of hemispherical grooves (13) are formed in the inner wall of the outer tube (1), rolling sliding steel balls (7) are arranged in the hemispherical grooves (13), a communicating groove (6) is formed in the outer tube (1), the communicating groove (6) is communicated with the hemispherical grooves (13), an adding component is arranged on the outer side of the outer tube (1) and used for filling lubricant into the communicating groove (6), and a sealing gasket (14) is fixed to the outer side of the other end of the inner tube (2).
2. A wear resistant retractor according to claim 1 wherein: the adding component comprises a connecting frame (8), the connecting frame (8) is fixedly connected to the outer side of the outer sleeve (1), one end of the connecting frame (8) is fixedly communicated with a communicating pipe (10), and the communicating pipe (10) is communicated with the communicating groove (6).
3. A wear resistant retractor according to claim 2 wherein: the adding assembly further comprises a pushing plate (11), the pushing plate (11) is arranged inside the connecting frame (8), one side of the pushing plate (11) is rotationally connected with a threaded rod (9), the threaded rod (9) penetrates through the connecting frame (8) and is in threaded connection with the connecting frame (8), and an inflow groove (12) is fixedly communicated with the outer side of the connecting frame (8).
4. A wear resistant retractor according to claim 3 wherein: the outside of the pushing plate (11) is fixedly connected with a telescopic rod (18), and the telescopic rod (18) is fixedly connected with one end inside the connecting frame (8).
5. A wear resistant retractor as claimed in claim 4, wherein: a sealing plug (19) for blocking the inflow groove (12) is arranged in the inflow groove (12).
6. A wear resistant retractor according to claim 1 wherein: the sealing gasket (14) is attached to the inner wall of the outer sleeve (1), and the sealing gasket (14) is made of rubber materials.
7. A wear resistant retractor according to claim 1 wherein: the novel flange comprises a first flange plate (3), a plurality of first positioning threaded rods (15) and a plurality of second positioning threaded rods (16) are fixedly connected to the outer side of the first flange plate, the first positioning threaded rods (15) penetrate through one of the connecting rings (17), the second positioning threaded rods (16) penetrate through the two connecting rings (17), and nuts are connected to the outer sides of the first positioning threaded rods (15) and the outer sides of the second positioning threaded rods (16) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320945204.7U CN219755659U (en) | 2023-04-24 | 2023-04-24 | Wear-resisting expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320945204.7U CN219755659U (en) | 2023-04-24 | 2023-04-24 | Wear-resisting expansion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755659U true CN219755659U (en) | 2023-09-26 |
Family
ID=88089190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320945204.7U Active CN219755659U (en) | 2023-04-24 | 2023-04-24 | Wear-resisting expansion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755659U (en) |
-
2023
- 2023-04-24 CN CN202320945204.7U patent/CN219755659U/en active Active
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| GR01 | Patent grant |