CN220131778U - Oil leakage prevention hydraulic support jack - Google Patents
Oil leakage prevention hydraulic support jack Download PDFInfo
- Publication number
- CN220131778U CN220131778U CN202321324713.4U CN202321324713U CN220131778U CN 220131778 U CN220131778 U CN 220131778U CN 202321324713 U CN202321324713 U CN 202321324713U CN 220131778 U CN220131778 U CN 220131778U
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- oil
- piston rod
- piece
- annular
- steel ball
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- 230000002265 prevention Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 6
- 210000001503 joint Anatomy 0.000 claims 4
- 239000003921 oil Substances 0.000 abstract description 94
- 239000010720 hydraulic oil Substances 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an oil leakage prevention hydraulic support jack, relates to the technical field of jacks, and particularly relates to an oil leakage prevention hydraulic support jack. This leak protection hydraulic support jack through oil storage chamber, piston rod, first oil seal ring, second oil seal ring, first oil inlet groove, second oil inlet groove, first ring piece, first annular dog, first reset spring, first steel ball, second ring piece, second annular dog, second reset spring and the setting of second steel ball, makes this leak protection hydraulic support jack possess the effect that improves the leak protection oil performance, through the setting of first oil seal ring and second oil seal ring, avoids hydraulic oil to spill from the butt department of piston rod and cylinder body inner wall through first steel ball and, first annular dog, the cooperation of second steel ball and second annular dog, avoid hydraulic oil backward flow when using, has reached the purpose that improves the practicality.
Description
Technical Field
The utility model relates to the technical field of jacks, in particular to an oil leakage prevention hydraulic support jack.
Background
The jack is a supporting device for overhauling automobiles or large equipment, equipment with large weight can be quickly jacked up to expose the bottom surface, so that the equipment is overhauled more conveniently, the jack is divided into a mechanical jack, a hydraulic jack, an electric jack and the like according to a power source, and the hydraulic jack is the most widely used one.
The hydraulic jack is easy to cause oil leakage due to misoperation of workers in the use process, oil leakage is needed to be refilled for the hydraulic jack after workers, sudden drop of the hydraulic jack can be caused in the use process, the service life of the hydraulic jack is prolonged, and personal safety of the workers cannot be guaranteed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an oil leakage prevention hydraulic support jack, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an oil leakage prevention hydraulic support jack, the on-line screen storage device comprises a base, the pump body is installed respectively at the top of base, cylinder body and bracing piece, the oil storage chamber has been seted up to the inside of cylinder body, the inside grafting of cylinder body has the piston rod, the first ring channel of taking the upper and lower direction as the degree of depth has been seted up to the surface of piston rod, the inside of first ring channel is provided with first oil seal, the second ring channel of taking the upper and lower direction as the degree of depth has been seted up to the inner wall of cylinder body, the inside of second ring channel is provided with the second oil seal, first oil inlet groove and second oil inlet groove have been seted up to the inside of base, first ring piece and first annular stop are installed respectively to the inner wall of first oil inlet groove, first reset spring is installed at the top of first ring piece, first reset spring's tip is installed first steel ball, second ring piece and second annular stop are installed respectively to the inner wall of second oil inlet groove's bottom, the tip of second reset spring has the second steel ball, the surface of cylinder body is provided with the oil return pipe, the inside of oil return pipe is provided with the oil return valve, the bracing piece has the handle through swivelling joint, first end piece is installed through the cooperation shaft lever, the cooperation shaft rod is kept away from the first end of first piston rod piece, the cooperation shaft rod is installed through the cooperation shaft lever, the first end is installed.
Optionally, the inner wall butt of first oil seal and cylinder body, the surface butt of second oil seal and piston rod, the backup pad is installed at the top of piston rod.
Optionally, the first oil inlet groove is communicated with the second oil inlet groove, the first oil inlet groove is communicated with the oil storage cavity, and the position of the second oil inlet groove corresponds to the position of the piston rod.
Optionally, the first steel ball is abutted with the first annular stop block, the position of the first annular stop block is higher than that of the first annular block, the second steel ball is abutted with the second annular stop block, and the position of the second annular stop block is lower than that of the second annular block.
Optionally, the oil return pipe is a three-way pipe, a sealing plug is arranged at the first end of the oil return pipe, the second end of the oil return pipe corresponds to the position of the piston rod, and the third end of the oil return pipe is communicated with the oil storage cavity.
Optionally, a limit stop is mounted on the inner wall of the pump body, and the position of the limit stop is higher than that of the piston block.
Optionally, one end of the first oil inlet groove corresponds to the position of the pump body, and the outer surface of the piston block is abutted with the inner surface of the pump body.
(III) beneficial effects
The utility model provides an oil leakage prevention hydraulic support jack, which has the following beneficial effects:
1. this leak protection hydraulic support jack through oil storage chamber, piston rod, first oil seal ring, second oil seal ring, first oil inlet groove, second oil inlet groove, first ring piece, first annular dog, first reset spring, first steel ball, second ring piece, second annular dog, second reset spring and the setting of second steel ball, makes this leak protection hydraulic support jack possess the effect that improves the leak protection oil performance, through the setting of first oil seal ring and second oil seal ring, avoids hydraulic oil to spill from the butt department of piston rod and cylinder body inner wall through first steel ball and, first annular dog, the cooperation of second steel ball and second annular dog, avoid hydraulic oil backward flow when using, has reached the purpose that improves the practicality.
2. This oil leakage prevention hydraulic support jack, through handle, first cooperation piece, connecting rod, second cooperation piece, piston piece, backup pad, sealed end cap and limit stop's setting, make this oil leakage prevention hydraulic support jack possess the transport that makes things convenient for hydraulic oil, make things convenient for the effect of piston rod jacking, through the reciprocates of piston piece, make things convenient for the hydraulic oil in the oil storage intracavity to enter into the below of cylinder body interior piston rod, make things convenient for the jacking of piston rod, reached the purpose that improves the practicality.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model in front section;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;
fig. 5 is a schematic view in elevation and partial cross section of the structure of the present utility model.
In the figure: 1. a base; 2. a pump body; 3. a cylinder; 4. a support rod; 5. an oil storage chamber; 6. a piston rod; 7. a first oil seal; 8. a second oil seal; 9. a first oil inlet groove; 10. a second oil inlet groove; 11. a first annular block; 12. a first annular stop; 13. a first return spring; 14. a first steel ball; 15. a second annular block; 16. a second annular stop; 17. a second return spring; 18. a second steel ball; 19. an oil return pipe; 20. an oil return valve; 21. a grip; 22. a first mating block; 23. a connecting rod; 24. a second mating block; 25. a piston block; 26. a support plate; 27. sealing the plugs; 28. and a limit stop.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Example 1
Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the oil leakage prevention hydraulic support jack comprises a base 1, a pump body 2, a cylinder body 3 and a supporting rod 4 are respectively arranged at the top of the base 1, a limit stop 28 is arranged on the inner wall of the pump body 2, the limit stop 28 is higher than a piston block 25, an oil storage cavity 5 is arranged in the cylinder body 3, a piston rod 6 is inserted in the cylinder body 3, a first annular groove with depth in the up-down direction is arranged on the outer surface of the piston rod 6, a first oil seal ring 7 is arranged in the first annular groove, the first oil seal ring 7 is abutted against the inner wall of the cylinder body 3, a second oil seal ring 8 is abutted against the outer surface of the piston rod 6, a supporting plate 26 is arranged at the top of the piston rod 6, a second annular groove with depth in the up-down direction is arranged on the inner wall of the cylinder body 3, a first oil inlet groove 9 and a second oil inlet groove 10 are arranged in the base 1, the first oil inlet groove 9 is communicated with the second oil inlet groove 10, the first oil inlet groove 9 is communicated with the oil storage cavity 5, the position of the second oil inlet groove 10 corresponds to the position of the piston rod 6, one end of the first oil inlet groove 9 corresponds to the position of the pump body 2, the outer surface of the piston block 25 is abutted against the inner surface of the pump body 2, the first annular block 11 and the first annular stop block 12 are respectively arranged on the inner wall of the first oil inlet groove 9, the first return spring 13 is arranged on the top of the first annular block 11, the first steel ball 14 is abutted against the first annular stop block 12, the position of the first annular stop block 12 is higher than the position of the first annular block 11, the second steel ball 18 is abutted against the second annular stop block 16, the position of the second annular stop block 16 is lower than the position of the second annular block 15, the second annular block 15 and the second annular stop block 16 are respectively arranged on the inner wall of the second oil inlet groove 10, a second return spring 17 is arranged at the bottom of the second circular ring block 15, and a second steel ball 18 is arranged at the end part of the second return spring 17.
When in use, when the piston rod 6 is lifted, the handle 21 is moved up and down, the two ends of the connecting rod 23 are respectively connected with the first matching block 22 and the second matching block 24 in a rotating way, so that the piston block 25 can conveniently move up and down in the pump body 2, when the handle 21 moves up, hydraulic oil is driven to circulate, the hydraulic oil can push the first steel balls 14 downwards, the first steel balls 14 in the first oil inlet groove 9 move downwards, the first return spring 13 is stressed and contracted, the hydraulic oil in the oil storage cavity 5 flows towards the inside of the first oil inlet groove 9, the second steel balls 18 are kept in a state of abutting against the second annular stop block 16 at the moment, when the handle 21 is pressed down, the hydraulic oil circulates at the moment to push the first steel balls 14 and the second steel balls 18 upwards respectively, and the elastic tension of the first return spring 13 is used, the first steel ball 14 is abutted against the first annular stop block 12, a channel between the first oil inlet groove 9 and the oil storage cavity 5 is closed, the second steel ball 18 is separated from the second annular stop block 16, hydraulic oil enters the second oil inlet groove 10 and then enters the lower portion of the piston rod 6 in the cylinder body 3, the handle 21 is moved up and down, lifting of the piston rod 6 is facilitated, the second steel ball 18 is abutted against the second annular stop block 16 when the piston rod 6 is supported in lifting, meanwhile, the hydraulic oil is prevented from flowing back into the oil storage cavity 5 when the piston rod 6 is lifted, the use safety is improved, the first oil seal ring 7 is abutted against the inner wall of the cylinder body 3, the second oil seal ring 8 is abutted against the piston rod 6, leakage of the hydraulic oil from the abutting position of the piston rod 6 and the inner wall of the cylinder body 3 is avoided, and the practicability is improved.
Example 2
Referring to fig. 1 to 5, the present utility model provides the following technical solutions: the utility model provides an oil leakage prevention hydraulic support jack, the surface of cylinder body 3 is provided with returns oil pipe 19, return oil pipe 19 is the three-way pipe, return oil pipe 19's first end is provided with sealed end cap 27, return oil pipe 19's second end corresponds with the position of piston rod 6, return oil pipe 19's third end and oil storage chamber 5 intercommunication, return oil pipe 19's inside is provided with oil return valve 20, bracing piece 4 is connected with handle 21 through the axostylus axostyle rotation, first cooperation piece 22 is installed to handle 21's bottom, first cooperation piece 22 is connected with connecting rod 23 through the axostylus axostyle rotation, connecting rod 23 keeps away from first cooperation piece 22's one end and is connected with second cooperation piece 24 through the axostylus axostyle rotation, piston piece 25 is installed to the bottom of second cooperation piece 24.
When the hydraulic oil return valve is used, when the hydraulic oil needs to flow back, the oil return valve 20 is opened, the piston rod 6 slowly descends, the hydraulic oil below the piston rod 6 in the cylinder body 3 returns to the inside of the oil storage cavity 5 through the oil return pipe 19, the limit stop 28 is located above the piston block 25, the limit position of the piston block 25 in the upward movement is limited, and the practicability is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides an oil leakage prevention hydraulic support jack, includes base, its characterized in that: the top of base installs the pump body, cylinder body and bracing piece respectively, the oil storage chamber has been seted up to the inside of cylinder body, the piston rod has been pegged graft to the inside of cylinder body, the first ring channel of using the upper and lower direction as the degree of depth has been seted up to the surface of piston rod, the inside of first ring channel is provided with first oil seal ring, the second ring channel of using the upper and lower direction as the degree of depth has been seted up to the inner wall of cylinder body, first oil groove and second oil groove have been seted up to the inside of second ring channel, first ring piece and first annular dog are installed respectively to the inner wall of first oil groove, first reset spring is installed at the top of first ring piece, first steel ball is installed at the tip of first reset spring, second ring piece and second annular dog are installed respectively to the inner wall of second oil groove, the second reset spring's tip is installed the second steel ball, the surface of cylinder body is provided with the oil return pipe, the inside of oil return pipe is provided with the oil return valve, the bracing piece is connected with the handle through rotating, first cooperation piece is installed to the bottom of handle, first cooperation piece is installed through the first connecting rod cooperation piece, first connecting rod is kept away from the cooperation of first piston rod, the bottom is installed through first connecting rod cooperation piece.
2. The hydraulic fluid containment boom jack of claim 1, wherein: the first oil seal ring is in butt joint with the inner wall of cylinder body, and the second oil seal ring is in butt joint with the surface of piston rod, and the backup pad is installed at the top of piston rod.
3. The hydraulic fluid containment boom jack of claim 1, wherein: the first oil inlet groove is communicated with the second oil inlet groove, the first oil inlet groove is communicated with the oil storage cavity, and the position of the second oil inlet groove corresponds to the position of the piston rod.
4. The hydraulic fluid containment boom jack of claim 1, wherein: the first steel ball is in butt joint with the first annular stop block, the position of the first annular stop block is higher than the position of the first annular block, the second steel ball is in butt joint with the second annular stop block, and the position of the second annular stop block is lower than the position of the second annular block.
5. The hydraulic fluid containment boom jack of claim 1, wherein: the oil return pipe is a three-way pipe, a sealing plug is arranged at the first end of the oil return pipe, the second end of the oil return pipe corresponds to the position of the piston rod, and the third end of the oil return pipe is communicated with the oil storage cavity.
6. The hydraulic fluid containment boom jack of claim 1, wherein: the limit stop is installed to the inner wall of the pump body, and limit stop's position is higher than the position of piston piece.
7. The hydraulic fluid containment boom jack of claim 1, wherein: one end of the first oil inlet groove corresponds to the position of the pump body, and the outer surface of the piston block is abutted with the inner surface of the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321324713.4U CN220131778U (en) | 2023-05-26 | 2023-05-26 | Oil leakage prevention hydraulic support jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321324713.4U CN220131778U (en) | 2023-05-26 | 2023-05-26 | Oil leakage prevention hydraulic support jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220131778U true CN220131778U (en) | 2023-12-05 |
Family
ID=88961387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321324713.4U Active CN220131778U (en) | 2023-05-26 | 2023-05-26 | Oil leakage prevention hydraulic support jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220131778U (en) |
-
2023
- 2023-05-26 CN CN202321324713.4U patent/CN220131778U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |