CN213236499U - Oil return pipeline of hydraulic device - Google Patents
Oil return pipeline of hydraulic device Download PDFInfo
- Publication number
- CN213236499U CN213236499U CN202021747775.2U CN202021747775U CN213236499U CN 213236499 U CN213236499 U CN 213236499U CN 202021747775 U CN202021747775 U CN 202021747775U CN 213236499 U CN213236499 U CN 213236499U
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- Prior art keywords
- oil return
- sleeve
- butt joint
- pipe
- butt
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- Expired - Fee Related
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- 210000001503 joint Anatomy 0.000 claims abstract description 65
- 238000003780 insertion Methods 0.000 claims description 31
- 230000037431 insertion Effects 0.000 claims description 31
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 51
- 239000000428 dust Substances 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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Abstract
The utility model discloses a hydraulic means's oil return pipeline, including oil return hose, hollow connecting bolt and butt-joint plate, oil return hose's one end is provided with first fixed pipe box, oil return hose's the other end is provided with the fixed pipe box of second, wherein, one side that oil return hose was kept away from to first fixed pipe box is provided with limit baffle, hollow connecting bolt and fixed joint through connection, the butt-joint plate is pegged graft with the inboard butt-joint groove of adapter sleeve. This hydraulic means's return oil pipe cup joints the gasket in the outside of adapter sleeve, again with the butt joint board peg graft into in the butt joint groove to it is fixed with fixed joint locking to screw up hollow connecting bolt, thereby carries out stable sealing connection to this return oil pipe and hydraulic means's appointed interface, can increase or reduce the quantity of gasket through stretching out and drawing back between butt joint board and the adapter sleeve, and then conveniently stablizes butt joint and fixed to return oil pipe's coupling assembling.
Description
Technical Field
The utility model relates to a hydraulic pressure pipeline technical field specifically is a hydraulic means's oil return pipeline.
Background
A complete hydraulic system consists of five parts, namely a power element, an execution element, a control element, an auxiliary element and hydraulic oil. The hydraulic equipment has large transmission force, is easy to transmit and configure, and is widely applied in industrial and civil industries. When the hydraulic device or equipment is driven, hydraulic oil needs to be conveyed through a matched oil return pipeline, so that the hydraulic device or equipment is convenient to lift and support. In the market, current hydraulic means's return oil pipe still has return oil pipe coupling assembling butt joint unstability scheduling problem, for this, we hope to improve hydraulic means's return oil pipe's packaging efficiency through the innovation to hydraulic means's return oil pipe, prevent to connect and drop, make things convenient for the coupling assembling of intubate to carry out stable butt joint, make it to exert the biggest value, along with the development of science and technology, hydraulic means's return oil pipe has had the development of very big degree, its development has brought very big facility when carrying out hydraulic oil transport to hydraulic equipment and switching on, its kind and quantity are also increasing day by day.
Although the types and the number of the oil return pipelines of the hydraulic devices on the market are very large, the oil return pipelines of the hydraulic devices have the following defects: the connecting insertion pipe of the oil return pipeline of the hydraulic device is easy to loosen and fall off, and the oil return pipeline of the hydraulic device is inconvenient to protect the opening end and is unstable in butt joint installation with the oil return pipeline connecting assembly of the hydraulic device. Therefore, the oil return pipeline of the existing hydraulic device needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic means's oil return pipeline to solve the above-mentioned background art and propose hydraulic means's on the existing market oil return pipeline's of solution connection intubate not hard up drop easily, hydraulic means's oil return pipeline is inconvenient carries out the protection of open end and hydraulic means's oil return pipeline coupling assembling butt joint unstable problem of installation.
In order to achieve the above object, the utility model provides a following technical scheme: an oil return pipeline of a hydraulic device comprises an oil return hose, a hollow connecting bolt and a butt plate, wherein one end of the oil return hose is provided with a first fixing pipe sleeve, the other end of the oil return hose is provided with a second fixing pipe sleeve, wherein,
a limiting baffle is arranged on one side, away from the oil return hose, of the first fixed pipe sleeve, a first insertion pipe is connected to one end, close to the first fixed pipe sleeve, in the oil return hose, the outer side of the first insertion pipe is movably connected with a locking nut, a butt joint ring is arranged on the outer edge of the locking nut, a clamping groove is formed in the surface of one side of the butt joint ring, a sleeve is connected to the inside of the clamping groove, a connecting piece is arranged at one end of the sleeve, a dustproof cover is connected to one end, away from the sleeve, of the connecting piece, and the dustproof cover is;
the inside one end that is close to the fixed pipe box of second of oil return hose is connected with the second intubate, the one end that the oil return hose was kept away from to the second intubate is provided with fixed joint, hollow connecting bolt and fixed joint through connection, hollow connecting bolt's one end is provided with the adapter sleeve, the butt joint groove has been seted up to the inboard of adapter sleeve, peg graft with the inboard butt joint groove of adapter sleeve to the adapter plate, one side that the adapter sleeve was kept away from to the adapter plate is provided with the curb plate, be connected with the gasket between adapter sleeve and the curb plate.
Preferably, the inner side surface of the limiting baffle and the outer side middle surface of the first insertion pipe are provided with threads, the inner side diameter of the limiting baffle is matched with the outer side diameter of the first insertion pipe, and the limiting baffle is in threaded connection with the first insertion pipe.
Preferably, the clamping groove is of an annular structure, the cross section of the clamping groove is C-shaped, and the diameter of the clamping groove is matched with that of the sleeve.
Preferably, the sleeve and the connecting piece are vertically distributed, the diameter of the sleeve is larger than the opening distance of one side of the clamping groove, and the sleeve is rotatably connected with the clamping groove.
Preferably, the butt joint cross-sectional shape between adapter sleeve and the curb plate is "U" style of calligraphy structure, and is interference fit between adapter sleeve and the gasket.
Preferably, the cross section of the butt joint plate is T-shaped, the axial lead of the butt joint plate and the axial lead of the hollow connecting bolt are superposed, the butt joint plate and the side plate are vertically distributed, and the butt joint plate forms a telescopic structure through the butt joint groove and the connecting sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the first insertion pipe is inserted into the inner side of the first fixing pipe sleeve, so that the bulges on the outer side surfaces of the first insertion pipe and the second insertion pipe are in sealed butt joint with the oil return hose, and then the first insertion pipe is rotated to be in threaded butt joint with the inner side surface of the limiting baffle, so that one end of the first insertion pipe, which is separated from the butt joint with the oil return hose, is effectively avoided;
(2) the oil return pipeline of the hydraulic device is characterized in that a sleeve is inserted into a clamping groove in the inner side of a butt joint ring, a dustproof cover at one end of a connecting piece is in butt joint with an opening of a locking nut, and the sleeve is driven to rotate in the clamping groove by rotating the dustproof cover, so that the dustproof cover and the opening end of the locking nut are sealed and fixed, and the oil return pipeline is conveniently protected from being close to the opening end of the locking nut;
(3) this hydraulic means's return oil pipe cup joints the gasket in the outside of adapter sleeve, again with the butt joint board peg graft into in the butt joint groove to it is fixed with fixed joint locking to screw up hollow connecting bolt, thereby carries out stable sealing connection to this return oil pipe and hydraulic means's appointed interface, can increase or reduce the quantity of gasket through stretching out and drawing back between butt joint board and the adapter sleeve, and then conveniently stablizes the butt joint and fixes the coupling assembling to return oil pipe.
Drawings
Fig. 1 is a schematic view of a main cross-sectional structure of an oil return pipe of the hydraulic device of the present invention;
fig. 2 is a schematic view of a top view of an oil return pipe of the hydraulic apparatus of the present invention;
fig. 3 is a schematic view of a partially enlarged structure at a position a in fig. 1 of an oil return pipeline of the hydraulic apparatus of the present invention;
fig. 4 is a schematic diagram of a local enlarged structure at B in fig. 1 of an oil return pipeline of the hydraulic apparatus of the present invention.
In the figure: 1. an oil return hose; 2. a first fixed pipe sleeve; 3. a second fixed pipe sleeve; 4. a limit baffle; 5. a first cannula; 6. locking the nut; 7. a docking ring; 8. a card slot; 9. a sleeve; 10. connecting sheets; 11. a dust cover; 12. a second cannula; 13. fixing the joint; 14. a hollow connecting bolt; 15. connecting sleeves; 16. a butt joint groove; 17. a butt plate; 18. a side plate; 19. and (7) a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: an oil return pipeline of a hydraulic device comprises an oil return hose 1, a first fixing pipe sleeve 2, a second fixing pipe sleeve 3, a limit baffle 4, a first insertion pipe 5, a locking nut 6, a butt joint ring 7, a clamping groove 8, a sleeve 9, a connecting piece 10, a dust cover 11, a second insertion pipe 12, a fixing joint 13, a hollow connecting bolt 14, a connecting sleeve 15, a butt joint groove 16, a butt joint plate 17, a side plate 18 and a gasket 19, wherein the first fixing pipe sleeve 2 is arranged at one end of the oil return hose 1, the second fixing pipe sleeve 3 is arranged at the other end of the oil return hose 1,
one side of the first fixing pipe sleeve 2, which is far away from the oil return hose 1, is provided with a limiting baffle 4, the inner side surface of the limiting baffle 4 and the outer side middle surface of the first insertion pipe 5 are provided with threads, the inner side diameter of the limiting baffle 4 is matched with the outer side diameter of the first insertion pipe 5, and the limiting baffle 4 is in threaded connection with the first insertion pipe 5, so that the limiting baffle 4 is conveniently in threaded connection with the first insertion pipe 5, thereby avoiding the first insertion pipe 5 and the oil return hose 1 from loosening and falling off when being connected, one end, which is close to the first fixing pipe sleeve 2, inside the oil return hose 1 is connected with the first insertion pipe 5, the outer side of the first insertion pipe 5 is movably connected with a locking nut 6, the outer side edge of the locking nut 6 is provided with a butt joint ring 7, one side surface of the butt joint ring 7 is provided with a clamping groove 8, the clamping groove 8 is, the diameter of the clamping groove 8 is matched with that of the sleeve 9, so that the clamping groove 8 can be used for clamping, mounting or dismounting and taking out the sleeve 9, the sleeve 9 is connected inside the clamping groove 8, the sleeve 9 and the connecting piece 10 are vertically distributed, the diameter of the sleeve 9 is larger than the opening distance of one side of the clamping groove 8, the sleeve 9 and the clamping groove 8 are in rotary connection, the sleeve 9 can rotate around the clamping groove 8, the dust cover 11 and the locking nut 6 can be conveniently in rotary connection, the connecting piece 10 is arranged at one end of the sleeve 9, one end, far away from the sleeve 9, of the connecting piece 10 is connected with the dust cover 11, and the dust cover 11 is in butt joint with the locking nut 6;
the inside one end that is close to the fixed pipe box 3 of second of oil return hose 1 is connected with second intubate 12, the one end that oil return hose 1 was kept away from to second intubate 12 is provided with fixed joint 13, hollow connecting bolt 14 and fixed joint 13 through connection, the one end of hollow connecting bolt 14 is provided with adapter sleeve 15, butt joint cross sectional shape between adapter sleeve 15 and the curb plate 18 is "U" style of calligraphy structure, and is interference fit between adapter sleeve 15 and the gasket 19 for adapter sleeve 15 can stabilize butt joint and installation to gasket 19, butt joint groove 16 has been seted up to the inboard of adapter sleeve 15, butt joint board 17 pegs graft with the inboard butt joint groove 16 of adapter sleeve 15, the cross sectional shape of butt joint board 17 is "T" style of calligraphy, and the axial lead of butt joint board 17 and the axial lead of hollow connecting bolt 14 coincide each other to be vertical distribution between butt joint board 17 and the curb plate 18, and the butt joint board 17 forms extending structure between through butt joint groove 16 and adapter sleeve 15 for the flexible quantity that can conveniently increase or reduce gasket 19 of butt joint board 17 and adapter sleeve 15, and effectively avoid the connection of gasket 19 not hard up, one side that the adapter sleeve 15 was kept away from to butt joint board 17 is provided with curb plate 18, be connected with gasket 19 between adapter sleeve 15 and the curb plate 18.
The working principle is as follows: when the oil return pipeline of the hydraulic device is used, firstly, the first insertion pipe 5 and the second insertion pipe 12 are respectively inserted into the inner sides of the first fixing pipe sleeve 2 and the second fixing pipe sleeve 3, so that the bulges on the outer side surfaces of the first insertion pipe 5 and the second insertion pipe 12 are in sealed butt joint with the oil return hose 1, then, the inner side surfaces of the first insertion pipe 5 and the limit baffle 4 are rotated to carry out threaded butt joint, so that the first insertion pipe 5 is prevented from being separated from one end, close to the first fixing pipe sleeve 2, of the oil return hose 1, then, the sleeve 9 is inserted into the clamping groove 8 on the inner side of the butt joint ring 7, the dustproof cover 11 at one end of the connecting piece 10 is in butt joint with the opening of the locking nut 6, so that the open end of the locking nut 6 is protected, after the dustproof cover 11 is disassembled and taken out, the locking nut 6 is screwed down by rotating to carry out butt joint with, then, the gasket 19 is sleeved outside the connecting sleeve 15, the abutting plate 17 on one side of the side plate 18 is inserted into the abutting groove 16, the connecting sleeve 15 is abutted with one end of the hollow connecting bolt 14, and the hollow connecting bolt 14 is screwed and locked and fixed with the fixed joint 13, so that stable sealing connection between the oil return pipeline and a designated interface of the hydraulic device is realized, and the content which is not described in detail in the description belongs to the prior art which is well known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an oil return pipeline of hydraulic means, includes oil return hose (1), hollow connecting bolt (14) and butt plate (17), its characterized in that: one end of the oil return hose (1) is provided with a first fixed pipe sleeve (2), the other end of the oil return hose (1) is provided with a second fixed pipe sleeve (3), wherein,
one side, far away from the oil return hose (1), of the first fixing pipe sleeve (2) is provided with a limiting baffle (4), one end, close to the first fixing pipe sleeve (2), of the interior of the oil return hose (1) is connected with a first insertion pipe (5), the outer side of the first insertion pipe (5) is movably connected with a locking nut (6), the outer side edge of the locking nut (6) is provided with a butt joint ring (7), one side surface of the butt joint ring (7) is provided with a clamping groove (8), the interior of the clamping groove (8) is connected with a sleeve (9), one end of the sleeve (9) is provided with a connecting sheet (10), one end, far away from the sleeve (9), of the connecting sheet (10) is connected with a dustproof cover (11), and the dustproof cover (11) is in butt;
the one end that oil return hose (1) is inside to be close to the fixed pipe box of second (3) is connected with second intubate (12), the one end that oil return hose (1) was kept away from in second intubate (12) is provided with fixed joint (13), hollow connecting bolt (14) and fixed joint (13) through connection, the one end of hollow connecting bolt (14) is provided with adapter sleeve (15), butt joint groove (16) have been seted up to the inboard of adapter sleeve (15), peg graft in butt joint board (17) and inboard butt joint groove (16) of adapter sleeve (15), one side that adapter sleeve (15) were kept away from to butt joint board (17) is provided with curb plate (18), be connected with gasket (19) between adapter sleeve (15) and curb plate (18).
2. The oil return pipe of a hydraulic apparatus according to claim 1, wherein: the inner side surface of the limiting baffle (4) and the outer side middle surface of the first insertion pipe (5) are provided with threads, the inner side diameter of the limiting baffle (4) is matched with the outer side diameter of the first insertion pipe (5), and the limiting baffle (4) is in threaded connection with the first insertion pipe (5).
3. The oil return pipe of a hydraulic apparatus according to claim 1, wherein: the clamping groove (8) is of an annular structure, the cross section of the clamping groove (8) is C-shaped, and the diameter of the clamping groove (8) is matched with that of the sleeve (9).
4. The oil return pipe of a hydraulic apparatus according to claim 1, wherein: the sleeve (9) and the connecting piece (10) are vertically distributed, the diameter of the sleeve (9) is larger than the opening distance of one side of the clamping groove (8), and the sleeve (9) is rotatably connected with the clamping groove (8).
5. The oil return pipe of a hydraulic apparatus according to claim 1, wherein: the butt joint cross-sectional shape between adapter sleeve (15) and curb plate (18) is "U" style of calligraphy structure, and is interference fit between adapter sleeve (15) and gasket (19).
6. The oil return pipe of a hydraulic apparatus according to claim 1, wherein: the cross section of the butt joint plate (17) is T-shaped, the axial lead of the butt joint plate (17) and the axial lead of the hollow connecting bolt (14) are overlapped, the butt joint plate (17) and the side plate (18) are vertically distributed, and the butt joint plate (17) forms a telescopic structure through the butt joint groove (16) and the connecting sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747775.2U CN213236499U (en) | 2020-08-19 | 2020-08-19 | Oil return pipeline of hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021747775.2U CN213236499U (en) | 2020-08-19 | 2020-08-19 | Oil return pipeline of hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213236499U true CN213236499U (en) | 2021-05-18 |
Family
ID=75900837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021747775.2U Expired - Fee Related CN213236499U (en) | 2020-08-19 | 2020-08-19 | Oil return pipeline of hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213236499U (en) |
-
2020
- 2020-08-19 CN CN202021747775.2U patent/CN213236499U/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: 20210518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |