CN218665176U - Hydraulic jack with replaceable inner cavity - Google Patents
Hydraulic jack with replaceable inner cavity Download PDFInfo
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- CN218665176U CN218665176U CN202222202882.2U CN202222202882U CN218665176U CN 218665176 U CN218665176 U CN 218665176U CN 202222202882 U CN202222202882 U CN 202222202882U CN 218665176 U CN218665176 U CN 218665176U
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Abstract
The utility model discloses a hydraulic jack with a replaceable inner cavity, which belongs to the technical field of jacks and comprises a bottom plate and a jack body consisting of a pressure rod, a first hydraulic cylinder and a second hydraulic cylinder, wherein the second hydraulic cylinder is provided with an oil inlet, the hydraulic jack body is arranged on the bottom plate, the second hydraulic cylinder is provided with an opening communicated with the inner cavity of the second hydraulic cylinder, a third hydraulic cylinder is movably arranged in the second hydraulic cylinder, a thread groove is arranged in the second hydraulic cylinder, and the third hydraulic cylinder is in threaded connection with the thread groove; through set up the upper cover on first hydraulic pressure section of thick bamboo, with the upper cover with first hydraulic pressure section of thick bamboo separation back, can follow the third hydraulic pressure section of thick bamboo that will damage in the second hydraulic pressure section of thick bamboo and take out, then put into the second hydraulic pressure section of thick bamboo with new third hydraulic pressure section of thick bamboo, be connected the back with the thread groove with the third hydraulic pressure section of thick bamboo, can communicate the inner chamber and the oil inlet of third hydraulic pressure section of thick bamboo, again with upper cover threaded connection on first hydraulic pressure section of thick bamboo, can change the inner chamber of jack promptly, ensure the normal use of jack.
Description
Technical Field
The utility model belongs to the technical field of the jack, concretely relates to hydraulic jack of removable inner chamber.
Background
The hydraulic jack adopts a plunger or a hydraulic cylinder as a jack of a rigid jacking piece, and has the characteristics of compact structure, stable work, large jacking force, self-locking and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic jack of removable inner chamber to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hydraulic jack of removable inner chamber, includes the bottom plate and the jack body of compriseing pressure pole, first hydraulic cylinder and second hydraulic cylinder, the oil inlet has on the second hydraulic cylinder, the jack body sets up on the bottom plate, set up the opening with second hydraulic cylinder inner chamber intercommunication on the second hydraulic cylinder, second hydraulic cylinder internalization is provided with the third hydraulic cylinder, the thread groove has been seted up in the second hydraulic cylinder, the third hydraulic cylinder and thread groove threaded connection, the logical hydraulic fluid port has been seted up on the third hydraulic cylinder, it is linked together with the oil inlet to lead to the hydraulic fluid port, it is provided with the piston to slide in the third hydraulic cylinder, be provided with the carriage release lever on the piston, threaded connection has the upper cover on the first hydraulic cylinder, the one end of carriage release lever slides and runs through the upper cover.
As a preferred embodiment, a groove communicated with the oil inlet is formed in the second hydraulic cylinder, a first sealing ring is arranged in the groove, an oil passing pipe communicated with the oil inlet is arranged on the third hydraulic cylinder, the oil passing pipe is located in the groove, and the oil passing pipe is in contact with the first sealing ring.
In a preferred embodiment, a second sealing ring is disposed on the inner top surface of the upper cover, and a side surface of the second sealing ring is in contact with a side surface of the second hydraulic cylinder and a side surface of the third hydraulic cylinder.
As a preferred embodiment, an accommodating groove is formed in the moving rod, the accommodating groove is connected with a screw rod in a threaded manner, and a supporting block is arranged on the screw rod.
In a preferred embodiment, the pressure rod is provided with a T-shaped slot, and the T-shaped slot is internally provided with a T-shaped rod in a sliding manner.
As a preferred embodiment, four placing grooves are formed in the bottom plate, threaded rods are slidably arranged in the placing grooves, supporting legs are arranged on the threaded rods, nuts are further connected to the threaded rods in a threaded mode, and the nuts are rotatably connected with the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the hydraulic jack with the replaceable inner cavity, the upper cover is arranged on the first hydraulic cylinder, the damaged third hydraulic cylinder can be taken out of the second hydraulic cylinder after the upper cover is separated from the first hydraulic cylinder, then a new third hydraulic cylinder is placed into the second hydraulic cylinder, the inner cavity of the third hydraulic cylinder can be communicated with the oil inlet after the third hydraulic cylinder is connected with the thread groove, and then the upper cover is connected to the first hydraulic cylinder in a threaded manner, so that the inner cavity of the jack can be replaced, and the normal use of the jack is ensured;
this hydraulic jack of removable inner chamber utilizes the threaded rod that sets up in the standing groove through set up the standing groove on the bottom plate, recycles the nut that sets up on the base and threaded rod threaded connection, rotates the nut and can drive the threaded rod and remove, and then makes the threaded rod can drive the landing leg and remove and ground contact for this jack can be applicable to the ground of unevenness, has improved the stability when this jack uses.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of another perspective of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.
In the figure: 1. a base plate; 2. a pressure lever; 3. a first hydraulic cylinder; 4. a second hydraulic cylinder; 5. a jack body; 6. an oil inlet; 7. a port; 8. a third hydraulic cylinder; 9. a thread groove; 10. an oil through hole; 11. a piston; 12. a travel bar; 13. an upper cover; 14. a groove; 15. a first seal ring; 16. passing through an oil pipe; 17. a second seal ring; 18. a T-shaped slot; 19. a T-shaped rod; 20. accommodating grooves; 21. a screw rod; 22. a support block; 23. a placement groove; 24. a threaded rod; 25. a support leg; 26. and (4) a nut.
Detailed Description
Embodiment one, please refer to fig. 1-4, the present invention provides a hydraulic jack with a replaceable inner cavity, which includes a bottom plate 1 and a jack body 5 composed of a pressure rod 2, a first hydraulic cylinder 3 and a second hydraulic cylinder 4, wherein the second hydraulic cylinder 4 has an oil inlet 6, the jack body 5 is disposed on the bottom plate 1, a port 7 communicated with the inner cavity of the second hydraulic cylinder 4 is disposed on the second hydraulic cylinder 4, a third hydraulic cylinder 8 is movably disposed in the second hydraulic cylinder 4, a thread groove 9 is disposed in the second hydraulic cylinder 4, the third hydraulic cylinder 8 is in threaded connection with the thread groove 9, a through oil port 10 is disposed on the third hydraulic cylinder 8, the through oil port 10 is communicated with the oil inlet 6, a piston 11 is slidably disposed in the third hydraulic cylinder 8, a moving rod 12 is disposed on the piston 11, an upper cover 13 is threadedly connected to the first hydraulic cylinder 3, one end of the moving rod 12 slidably penetrates the upper cover 13, the upper cover 13 can be separated from the first hydraulic cylinder 3 by rotating the upper cover 13, the hydraulic cylinder 4 is separated from the third hydraulic cylinder 4, the through the hydraulic cylinder 8, the hydraulic cylinder 4 is connected to the hydraulic cylinder 4, the hydraulic cylinder 4 and the hydraulic cylinder 4, the hydraulic cylinder 4 is connected to the hydraulic cylinder 4, the first sealing ring 15 is arranged in the groove 14, the oil passing pipe 16 communicated with the oil passing port 10 is arranged on the third hydraulic cylinder 8, the oil passing pipe 16 is located in the groove 14, the oil passing pipe 16 is in contact with the first sealing ring 15, when the new third hydraulic cylinder 8 is connected with the thread groove 9, the oil passing pipe 16 on the new third hydraulic cylinder can be driven to move towards the groove 14, when the bottom surface of the new third hydraulic cylinder 8 is in contact with the inner bottom surface of the second hydraulic cylinder 4, the oil passing pipe 16 can compress the first sealing ring 15 at the moment, the sealing performance is improved, oil leakage is prevented, the second sealing ring 17 is arranged on the inner top surface of the upper cover 13, one side surface of the second sealing ring 17 is in contact with one side surfaces of the second hydraulic cylinder 4 and the third hydraulic cylinder 8, the sealing performance of the jack is improved due to the arrangement of the second sealing ring 17, the accommodating groove 20 is in threaded connection with the lead screw 21, the lead screw 21 is provided with the supporting block 22, the lead screw 21 is rotated, the lead screw 21 can drive the supporting block 22 to move upwards relative to the moving rod 12, and enable the jack to support an object to a higher position.
In the second embodiment, on the basis of the first embodiment, the pressure rod 2 is provided with the T-shaped groove 18, the T-shaped rod 19 is slidably arranged in the T-shaped groove 18, and one end of the T-shaped rod 19 is pulled, so that one end of the T-shaped rod 19 can extend out of the T-shaped groove 18, and the length of the pressure rod 2 can be increased, thereby reducing the force for pressing the pressure rod 2 and saving manpower.
Embodiment three, on the basis of embodiment one, four standing grooves 23 have been seted up on bottom plate 1, it is provided with threaded rod 24 to slide in standing groove 23, be provided with landing leg 25 on the threaded rod 24, it has nut 26 to go back threaded connection on the threaded rod 24, the nut rotates with bottom plate 1 to be connected, place this jack subaerial, if the ground unevenness, the jack can take place to rock when using, cause empting of jack easily, rotate nut 26 this moment, nut 26's rotation can drive threaded rod 24 and remove, make threaded rod 24 can drive landing leg 25 and ground contact, and then four angles of this jack that can make all contact with ground, stability is improved.
When the lifting jack is used, the lifting jack is firstly placed on the ground, then the nut 26 is rotated to drive the supporting legs 25 to be in contact with the ground through the threaded rod 24, then the screw rod 21 is rotated to drive the supporting blocks 22 to move, the supporting blocks 22 are enabled to be in contact with an object, then the T-shaped rod 19 is pulled out of the T-shaped groove 18, then the T-shaped rod 19 is pressed downwards to drive the moving rod 12 to move upwards, further the supporting blocks 22 are driven by the screw rod 21 to jack up the object, when the third hydraulic cylinder 8 needs to be replaced, the upper cover 13 is rotated to be separated from the first hydraulic cylinder 3, then the moving rod 12 and the piston 11 are taken out of the third hydraulic cylinder 8, then the third hydraulic cylinder 8 is rotated to enable the third hydraulic cylinder 8 to be separated from the threaded groove 9, then a new third hydraulic cylinder 8 is replaced, the new third hydraulic cylinder 8 is rotated to be connected with the threaded groove 9, when the new third hydraulic cylinder 8 is connected with the threaded groove 9, the new third hydraulic cylinder 8 can be driven to extrude the first sealing ring 15 until the ground of the new third hydraulic cylinder 8 is in contact with the moving surface of the second hydraulic cylinder 4, then the moving rod 12 and the new third hydraulic cylinder 13 are placed on the third hydraulic cylinder 8, and the new hydraulic cylinder 13, and then the moving rod 12 is placed on the new hydraulic cylinder 13, and the third hydraulic cylinder 13.
Claims (6)
1. The utility model provides a hydraulic jack of removable inner chamber which characterized in that: the jack comprises a base plate (1) and a jack body (5) composed of a pressure rod (2), a first hydraulic cylinder (3) and a second hydraulic cylinder (4), wherein an oil inlet (6) is formed in the second hydraulic cylinder (4), the jack body (5) is arranged on the base plate (1), a through hole (7) communicated with an inner cavity of the second hydraulic cylinder (4) is formed in the second hydraulic cylinder (4), a third hydraulic cylinder (8) is movably arranged in the second hydraulic cylinder (4), a thread groove (9) is formed in the second hydraulic cylinder (4), the third hydraulic cylinder (8) is in threaded connection with the thread groove (9), a through oil port (10) is formed in the third hydraulic cylinder (8), the through oil port (10) is communicated with the oil inlet (6), a piston (11) is slidably arranged in the third hydraulic cylinder (8), a moving rod (12) is arranged on the piston (11), an upper cover (13) is connected to the first hydraulic cylinder (3) in a threaded manner, and one end of the moving rod (12) penetrates through the cover (13) in a sliding manner.
2. The hydraulic jack with replaceable internal cavity as claimed in claim 1, wherein: the oil-gas separation device is characterized in that a groove (14) communicated with the oil inlet (6) is formed in the second hydraulic cylinder (4), a first sealing ring (15) is arranged in the groove (14), an oil passing pipe (16) communicated with the oil passing opening (10) is arranged on the third hydraulic cylinder (8), the oil passing pipe (16) is located in the groove (14), and the oil passing pipe (16) is in contact with the first sealing ring (15).
3. The hydraulic jack with replaceable internal cavity as claimed in claim 1, wherein: and a second sealing ring (17) is arranged on the inner top surface of the upper cover (13), and one side surface of the second sealing ring (17) is in contact with one side surfaces of the second hydraulic cylinder (4) and the third hydraulic cylinder (8).
4. The hydraulic jack with replaceable internal cavity as claimed in claim 1, wherein: an accommodating groove (20) is formed in the moving rod (12), the accommodating groove (20) is connected with a screw rod (21) in a threaded mode, and a supporting block (22) is arranged on the screw rod (21).
5. The hydraulic jack with replaceable internal cavity as claimed in claim 1, wherein: the pressure rod (2) is provided with a T-shaped groove (18), and a T-shaped rod (19) is arranged in the T-shaped groove (18) in a sliding mode.
6. The hydraulic jack with replaceable internal cavity as claimed in claim 1, wherein: four placing grooves (23) are formed in the bottom plate (1), threaded rods (24) are arranged in the placing grooves (23) in a sliding mode, supporting legs (25) are arranged on the threaded rods (24), nuts (26) are connected to the threaded rods (24) in a threaded mode, and the nuts (26) are connected with the bottom plate (1) in a rotating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202882.2U CN218665176U (en) | 2022-08-22 | 2022-08-22 | Hydraulic jack with replaceable inner cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222202882.2U CN218665176U (en) | 2022-08-22 | 2022-08-22 | Hydraulic jack with replaceable inner cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218665176U true CN218665176U (en) | 2023-03-21 |
Family
ID=85555782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222202882.2U Active CN218665176U (en) | 2022-08-22 | 2022-08-22 | Hydraulic jack with replaceable inner cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218665176U (en) |
-
2022
- 2022-08-22 CN CN202222202882.2U patent/CN218665176U/en active Active
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