CN212712536U - High-stability jack with multistage oil return holes - Google Patents
High-stability jack with multistage oil return holes Download PDFInfo
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- CN212712536U CN212712536U CN202021044570.8U CN202021044570U CN212712536U CN 212712536 U CN212712536 U CN 212712536U CN 202021044570 U CN202021044570 U CN 202021044570U CN 212712536 U CN212712536 U CN 212712536U
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Abstract
The utility model discloses a high stability jack with multistage oil gallery, including big oil pressure room, connecting rod and return spring, the outside of big oil pressure room is provided with the oil storage room, and the upside in big oil pressure room links up there is big piston, the right side of oil storage room is provided with linking bridge, and the upper end of linking bridge settles and have the sleeve, the depression bar is installed to telescopic inboard, and states the lower part of depression bar and settle there is little piston, the upper portion of little piston is provided with the gim peg, and the lower part of little piston links up there is little oil pressure room, the check valve is installed to the lower part of little oil pressure room, the connecting rod sets up in big oil pressure room downside, and the middle part upside of connecting rod settles and have the fixed axle, the inboard of fixed axle is provided with the loose axle, settle in the outside of loose axle has oil gallery, and return spring. The high-stability jack with the multistage oil return holes is provided with the oil return chamber, so that the stability of a large piston in descending is improved.
Description
Technical Field
The utility model relates to a jack technical field specifically is a high stability jack with multistage oil gallery.
Background
Along with the continuous development of social economy, the people's horizontally constantly improves, the car is also more and more common, however in the maintenance process of these vehicles, some needs, the bottom that enters into the vehicle goes to look over the maintenance, because the chassis of vehicle is great, inconvenient people go down to overhaul, this just needs to promote car or a certain jack-up, because the quality of vehicle is great, it is more troublesome to promote, and there is certain potential safety hazard, traditional mechanical jack is used and is wasted time and energy. Therefore, the hydraulic jack brings convenience to people.
Oil return speed is fast in the hydraulic jack use in the market, has the potential safety hazard to the depression bar is not fixed well, loses easily, has brought troublesome problem for people's use, for this reason, we propose the high stability jack that has multistage oil gallery.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high stability jack with multistage oil gallery to it is fast to solve the oil return in the hydraulic jack use that proposes in the above-mentioned background art, has the potential safety hazard, and the depression bar is not fixed well, loses easily, and the use of giving people has brought troublesome problem.
In order to achieve the above object, the utility model provides a following technical scheme: the high-stability jack with the multistage oil return hole comprises a large oil pressure chamber, a connecting rod and a return spring, wherein an oil storage chamber is arranged on the outer side of the large oil pressure chamber, a large piston is connected to the upper side of the large oil pressure chamber in a linking mode, a connecting support is arranged on the right side of the oil storage chamber, a sleeve is arranged at the upper end of the connecting support, a pressure rod is arranged on the inner side of the sleeve, a hole groove is formed in the middle of the pressure rod, a limiting bolt is arranged at the left end of the pressure rod, a small piston is arranged at the lower portion of the pressure rod, a fixing bolt is arranged at the upper portion of the small piston, a small oil pressure chamber is connected to the lower portion of the small piston, a one-way valve is arranged at the lower portion of the small oil pressure chamber, an oil pipe is arranged at the lower portion of the one-way valve, a fixing shaft is, the return spring is installed on the left side of the oil storage chamber, and a pedal is arranged on the inner side of the return spring.
Preferably, the large oil pressure chamber and the oil storage chamber are fixedly welded, and the large piston is movably connected with the large oil pressure chamber.
Preferably, the connecting support is fixedly connected with the bottom of the oil storage chamber, and the sleeve is movably connected with the connecting support.
Preferably, the limit bolt is fixedly welded at the left end of the pressure rod, and the small piston and the small oil pressure chamber form a movable structure through the pressure rod.
Preferably, the check valves are fixedly bonded with the oil pipe, and six check valves are arranged.
Preferably, the movable shaft and the pedal form a movable structure through a connecting rod and a return spring, the top of the movable shaft is in a convex shape, and the outer diameter of the connecting rod is larger than the inner diameter of the one-way valve.
Compared with the prior art, the beneficial effects of the utility model are that:
this big hydraulic chamber and oil storage chamber of high stability jack with multistage oil gallery are fixed welding, and big piston and big hydraulic chamber are swing joint, the outer wall fixed welding one deck in big hydraulic chamber is the oil storage chamber, the reasonable space that has utilized, the holistic size has been reduced, simultaneously also effectual big hydraulic chamber of having protected, the structure that makes big hydraulic chamber is more stable, sleeve and linking bridge are swing joint simultaneously, when using, can take the depression bar out, and the sleeve location through swing joint, make the depression bar use the sleeve to move about from top to bottom as the center, the active structure of depression bar and little piston has been ensured.
This spacing bolt fixed welding of high stability jack with multistage oil gallery is in the left end of depression bar, and little piston passes through the depression bar and constitutes the active structure with little oil pressure room, the fixed welding of left end of depression bar has spacing bolt, effectually the drop of depression bar has been prevented, after the use, the fixing bolt is pulled out to the accessible, put down the depression bar along the sleeve is perpendicular, made things convenient for the depression bar to get and put, the check valve is provided with six simultaneously, make big oil pressure room through check valve and oil pipe, oil storage room and little oil pressure room intercommunication, the setting of check valve has prevented the backward flow of oil, and the check valve has effectually prevented leaking of oil with oil pipe's fixed bonding.
This high stability jack with multistage oil gallery's loose axle passes through connecting rod and return spring and constitutes the active structure with the footboard, and the loose axle top is the protruding type form, and the connecting rod external diameter is greater than the check valve internal diameter, connecting rod middle part and loose axle swing joint, and both ends are connected with footboard and big hydraulic chamber bottom respectively about the connecting rod, during the use, under return spring's effect, make the loose axle withstand the check valve, the oil mass backward flow of big hydraulic chamber has been prevented, make loose axle and check valve separation through pressing down the footboard, the oil mass flows back the oil storage chamber from big hydraulic chamber, and all be equipped with the check valve between oil return chamber and big hydraulic chamber and oil storage chamber at the oil return in-process, the velocity of flow of oil has been reduced, the stability that big piston descends has been improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of the compression bar of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1.
In the figure: 1. a large oil pressure chamber; 2. an oil storage chamber; 3. a large piston; 4. connecting a bracket; 5. a sleeve; 6. a pressure lever; 7. a hole groove; 8. a limit bolt; 9. a small piston; 10. a fixing bolt; 11. a small oil pressure chamber; 12. a one-way valve; 13. an oil pipe; 14. a connecting rod; 15. a fixed shaft; 16. a movable shaft; 17. an oil return chamber; 18. a return spring; 19. a pedal.
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. 1-3, the present invention provides a technical solution: a high-stability jack with multi-stage oil return holes comprises a large oil pressure chamber 1, a connecting rod 14 and a return spring 18, wherein an oil storage chamber 2 is arranged on the outer side of the large oil pressure chamber 1, a large piston 3 is connected to the upper side of the large oil pressure chamber 1 in a linked mode, a connecting support 4 is arranged on the right side of the oil storage chamber 2, a sleeve 5 is arranged at the upper end of the connecting support 4, a pressure rod 6 is arranged on the inner side of the sleeve 5, a hole groove 7 is formed in the middle of the pressure rod 6, a limiting bolt 8 is arranged at the left end of the pressure rod 6, a small piston 9 is arranged at the lower portion of the pressure rod 6, a fixing bolt 10 is arranged at the upper portion of the small piston 9, a small oil pressure chamber 11 is connected to the lower portion of the small piston 9, a one-way valve 12 is arranged at the lower portion of the small oil pressure chamber 11, an oil pipe 13 is arranged at the lower, an oil return chamber 17 is arranged on the outer side of the movable shaft 16, a return spring 18 is arranged on the left side of the oil storage chamber 2, and a pedal 19 is arranged on the inner side of the return spring 18;
the large oil pressure chamber 1 and the oil storage chamber 2 are fixedly welded, the large piston 3 is movably connected with the large oil pressure chamber 1, and the oil storage chamber 2 is fixedly welded on the outer wall of the large oil pressure chamber 1, so that the space is reasonably utilized, the size of the whole body is reduced, meanwhile, the large oil pressure chamber 1 is effectively protected, and the structure of the large oil pressure chamber 1 is more stable;
the connecting support 4 is fixedly connected with the bottom of the oil storage chamber 2, the sleeve 5 is movably connected with the connecting support 4, and when the oil storage chamber is used, the pressing rod 6 can be drawn out and positioned through the movably connected sleeve 5, so that the pressing rod 6 can move up and down by taking the sleeve 5 as the center, and the movable structure of the pressing rod 6 and the small piston 9 is guaranteed;
the limiting bolt 8 is fixedly welded at the left end of the compression bar 6, the small piston 9 and the small oil pressure chamber 11 form a movable structure through the compression bar 6, the limiting bolt 8 is fixedly welded at the left end of the compression bar 6, the compression bar 6 is effectively prevented from falling off, and after the use is finished, the compression bar 6 can be vertically put down along the sleeve 5 by pulling out the fixing bolt 10, so that the compression bar 6 is convenient to take and place;
the check valves 12 are fixedly bonded with the oil pipe 13, six check valves 12 are arranged, the large oil pressure chamber 1, the oil storage chamber 2 and the small oil pressure chamber 11 are communicated through the check valves 12 and the oil pipe 13, the check valves 12 prevent oil from flowing back, and the check valves 12 are fixedly bonded with the oil pipe 13 to effectively prevent oil from leaking;
the movable shaft 16 forms a movable structure with the pedal 19 through the connecting rod 14 and the return spring 18, the top of the movable shaft 16 is in a convex shape, the outer diameter of the connecting rod 14 is larger than the inner diameter of the one-way valve 12, the middle part of the connecting rod 14 is movably connected with the movable shaft 16, and the left end and the right end of the connecting rod 14 are respectively connected with the pedal 19 and the bottom of the large oil pressure chamber 1.
The working principle is as follows: for the jack with multi-stage oil return holes and high stability, firstly, a pressure lever 6 is pulled out from a sleeve 5, the sleeve 5 is movably connected with a connecting support 4, a limit bolt 8 is welded at the left end of the pressure lever 6, a hole groove 7 is arranged in the middle of the pressure lever 6, then a fixing bolt 10 penetrates through the hole groove 7, a small piston 9 and a small oil pressure chamber 11 form a movable structure through the pressure lever 6, the small oil pressure chamber 11 is communicated with a large oil pressure chamber 1 and an oil storage chamber 2 through a one-way valve 12 and an oil pipe 13, the pressure lever 6 is lifted upwards, oil enters the small oil pressure chamber 11 from the oil storage chamber 2 under the action of pressure, then the pressure lever 6 is pressed downwards, the oil enters the large oil pressure chamber 1 through the one-way valve 12 and the oil pipe 13, after repeated operation, the oil amount in the large oil pressure chamber 1 gradually rises, so that the large piston 3 rises, an oil return chamber 17 is arranged at the left part of the large oil pressure chamber 1, and, when the jack is used, under the action of the return spring 18, the movable shaft 16 is enabled to abut against the one-way valve 12, oil mass backflow of the large oil pressure chamber 1 is prevented, the connecting rod 14 is arranged on the lower side of the oil return chamber 17, the middle of the connecting rod 14 is movably connected with the movable shaft 16, the left end and the right end of the connecting rod 14 are respectively connected with the pedal 19 and the bottom of the large oil pressure chamber 1, the movable shaft 16 is separated from the one-way valve 12 by pressing the pedal 19, oil mass flows back to the oil storage chamber 2 from the large oil pressure chamber 1, the one-way valve 12 is arranged between the oil return chamber 17 and the large oil pressure chamber 1 as well as between the oil storage chamber 2, the flow rate of oil during oil return is reduced, the stability in the descending process is improved, and the use process.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A high stability jack with multistage oil gallery, includes big hydraulic chamber (1), connecting rod (14) and return spring (18), its characterized in that: an oil storage chamber (2) is arranged on the outer side of the large oil pressure chamber (1), a large piston (3) is connected to the upper side of the large oil pressure chamber (1), a connecting support (4) is arranged on the right side of the oil storage chamber (2), a sleeve (5) is arranged at the upper end of the connecting support (4), a pressing rod (6) is installed on the inner side of the sleeve (5), a hole groove (7) is formed in the middle of the pressing rod (6), a limiting bolt (8) is arranged at the left end of the pressing rod (6), a small piston (9) is arranged at the lower portion of the pressing rod (6), a fixing bolt (10) is arranged at the upper portion of the small piston (9), a small oil pressure chamber (11) is connected to the lower portion of the small oil pressure chamber (11), a one-way valve (12) is installed at the lower portion of the one-way valve (12), an oil pipe (13) is arranged at the lower portion of the, and a fixed shaft (15) is arranged at the upper side of the middle part of the connecting rod (14), a movable shaft (16) is arranged at the inner side of the fixed shaft (15), an oil return chamber (17) is arranged at the outer side of the movable shaft (16), a return spring (18) is arranged at the left side of the oil storage chamber (2), and a pedal (19) is arranged at the inner side of the return spring (18).
2. The high stability jack with multi-stage oil return holes of claim 1, wherein: the large oil pressure chamber (1) and the oil storage chamber (2) are fixedly welded, and the large piston (3) is movably connected with the large oil pressure chamber (1).
3. The high stability jack with multi-stage oil return holes of claim 1, wherein: the connecting support (4) is fixedly connected with the bottom of the oil storage chamber (2), and the sleeve (5) is movably connected with the connecting support (4).
4. The high stability jack with multi-stage oil return holes of claim 1, wherein: the limiting bolt (8) is fixedly welded at the left end of the pressing rod (6), and the small piston (9) and the small oil pressure chamber (11) form a movable structure through the pressing rod (6).
5. The high stability jack with multi-stage oil return holes of claim 1, wherein: the check valves (12) are fixedly bonded with the oil pipe (13), and six check valves (12) are arranged.
6. The high stability jack with multi-stage oil return holes of claim 1, wherein: the movable shaft (16) and the pedal (19) form a movable structure through the connecting rod (14) and the return spring (18), the top of the movable shaft (16) is in a convex shape, and the outer diameter of the connecting rod (14) is larger than the inner diameter of the one-way valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044570.8U CN212712536U (en) | 2020-06-09 | 2020-06-09 | High-stability jack with multistage oil return holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044570.8U CN212712536U (en) | 2020-06-09 | 2020-06-09 | High-stability jack with multistage oil return holes |
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| Publication Number | Publication Date |
|---|---|
| CN212712536U true CN212712536U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021044570.8U Active CN212712536U (en) | 2020-06-09 | 2020-06-09 | High-stability jack with multistage oil return holes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264464A (en) * | 2021-06-09 | 2021-08-17 | 中建八局第二建设有限公司 | Hydraulic jacking device |
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2020
- 2020-06-09 CN CN202021044570.8U patent/CN212712536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264464A (en) * | 2021-06-09 | 2021-08-17 | 中建八局第二建设有限公司 | Hydraulic jacking device |
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Address after: 314300, 1483 Haiwan Avenue, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Haipai Hydraulic Technology Co.,Ltd. Address before: 314300, 1483 Haiwan Avenue, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Jiaxing Haipai Machinery Co.,Ltd. |