CN218971359U - Double-speed single-action pedal pneumatic hydraulic pump - Google Patents
Double-speed single-action pedal pneumatic hydraulic pump Download PDFInfo
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- CN218971359U CN218971359U CN202223455816.2U CN202223455816U CN218971359U CN 218971359 U CN218971359 U CN 218971359U CN 202223455816 U CN202223455816 U CN 202223455816U CN 218971359 U CN218971359 U CN 218971359U
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- pedal
- hydraulic pump
- speed single
- limiting shaft
- pneumatic hydraulic
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Abstract
The utility model relates to the technical field of hydraulic pumps, and discloses a double-speed single-acting pedal type pneumatic hydraulic pump, which comprises an oil tank, wherein a tank cover is arranged on the oil tank, a rotatable pedal is arranged on the tank cover, a pneumatic assembly is arranged on the tank cover, a limiting assembly is arranged on the tank cover, and the limiting assembly comprises: the connecting frame is fixedly arranged on the pedal; the limiting shaft is rotatably arranged on the connecting frame; the connecting groove is formed in the box cover; and the linkage wheel is rotatably arranged at the bottom of the limiting shaft. According to the pedal limiting device, the limiting assembly is arranged, the limiting shaft is driven to rotate when the pedal rotates downwards, the linkage wheel is driven to slide in the connecting groove when the limiting shaft rotates, and the whole pedal is limited and supported when the pedal is stepped, so that the problem that the pedal is broken and damaged due to overlarge stepping amplitude caused by larger force application of an operator is avoided.
Description
Technical Field
The utility model relates to the technical field of hydraulic pumps, in particular to a double-speed single-acting pedal pneumatic hydraulic pump.
Background
The foot-operated hydraulic pump is one of the hydraulic pumps, and has the function of converting mechanical energy of a power machine (such as an electric motor, an internal combustion engine and the like) into pressure energy of liquid, and the cam is driven by the electric motor to rotate;
when an operator steps on the pedal, if the stepping amplitude of the operator is larger, the acting force integrally acting on the pedal is larger, and the problem of breakage and damage of the pedal can be caused at the moment.
For this purpose we propose a two-speed single-acting foot-operated pneumatic hydraulic pump.
Disclosure of Invention
The utility model mainly solves the technical problems in the prior art and provides a double-speed single-action pedal pneumatic hydraulic pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme that the double-speed single-action pedal type pneumatic hydraulic pump comprises an oil tank, wherein the oil tank is provided with a tank cover, the tank cover is provided with a rotatable pedal, the tank cover is provided with a pneumatic assembly, the tank cover is provided with a limiting assembly, and the limiting assembly comprises:
the connecting frame is fixedly arranged on the pedal;
the limiting shaft is rotatably arranged on the connecting frame;
the connecting groove is formed in the box cover;
and the linkage wheel is rotatably arranged at the bottom of the limiting shaft.
Preferably, the limiting shaft is movably connected with the connecting frame through a rotating shaft, a groove for installing the linkage wheel is formed in the limiting shaft, and the linkage wheel is movably installed in the groove through the rotating shaft.
Preferably, the buffer assembly comprises a buffer block and a spring, wherein the buffer block is movably arranged in the connecting groove through a sliding rail, and one side wall of the buffer block, which is close to the linkage wheel, is arc-shaped.
Preferably, the pneumatic assembly comprises an air inlet valve, an air inlet connector and a vent valve.
Preferably, the air inlet valve is arranged on the box cover, the air inlet connector is arranged on the air inlet valve, and the ventilation valve is arranged on the box cover.
Preferably, the pedal plate is fixedly provided with an elastic anti-slip strip.
Advantageous effects
The utility model provides a double-speed single-acting pedal pneumatic hydraulic pump. The beneficial effects are as follows:
(1) This kind of double-speed single-action pedal pneumatic hydraulic pump, through being provided with spacing subassembly, drive spacing axle rotates when the running-board rotates downwards, can drive the linkage wheel when spacing axle rotates and roll constantly in order to reduce the frictional force when sliding in the spread groove is inside, the whole inner wall length of spread groove is certain, when the linkage wheel roll to when the inside one end mutual contact with the spread groove, the running-board can be spacing can not continue to be trampled and rotate this moment, so as to carry out spacing support to the running-board is whole when the running-board is trampled, thereby avoid operating personnel application of force great and lead to the running-board to trample the too big problem that leads to the fracture damage of range.
(2) According to the double-speed single-acting pedal pneumatic hydraulic pump, the buffer component is arranged, the pedal is stepped to drive the limiting shaft to rotate so as to drive the linkage wheel to roll to one side in the connecting groove, and when the linkage wheel and the buffer block are in contact with each other, the spring can apply reverse acting force to the linkage wheel so as to play a role in decelerating and buffering in the whole limiting process; the antiskid strip can play an antiskid effect at the contact surface position of the foot part of an operator and the pedal plate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic perspective view of the structure of the present utility model;
FIG. 2 is a schematic perspective view of a foot pedal in the structure of the present utility model;
FIG. 3 is a schematic side plan view of the structure of the present utility model;
fig. 4 is an enlarged schematic view of fig. 3 at a.
Legend description:
1. an oil tank; 2. a case cover; 3. a foot pedal; 4. an intake valve; 5. an air inlet joint; 6. a vent valve; 7. an anti-slip strip; 8. a connecting frame; 9. a limiting shaft; 10. a linkage wheel; 11. a connecting groove; 12. a buffer block; 13. and (3) a spring.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-4, the double-speed single-acting pedal pneumatic hydraulic pump comprises an oil tank 1, wherein a tank cover 2 is arranged on the oil tank 1, a rotatable pedal 3 is arranged on the tank cover 2, a pneumatic component is arranged on the tank cover 2, a limiting component is arranged on the tank cover 2, and the limiting component comprises a connecting frame 8, a limiting shaft 9, a linkage wheel 10 and a connecting groove 11;
the connecting frame 8 is fixedly arranged on the pedal plate 3, and the cross section of the connecting frame 8 is in an inverted U shape;
the limiting shaft 9 is rotatably arranged on the connecting frame 8, and the limiting shaft 9 is movably connected with the connecting frame 8 through a rotating shaft;
the connecting groove 11 is arranged on the case cover 2;
the linkage wheel 10 is rotatably arranged at the bottom of the limiting shaft 9, a groove for installing the linkage wheel 10 is formed in the limiting shaft 9, and the linkage wheel 10 is movably arranged in the groove through a rotating shaft;
through being provided with spacing subassembly, the operator places the foot on the running-board 3 and downward application of force steps on when using the hydraulic pump, drive spacing axle 9 rotation when running-board 3 rotates downwards, can drive the linkage wheel 10 when spacing axle 9 rotates and roll constantly in order to reduce the frictional force when sliding in the spread groove 11 inside, the whole inner wall length of spread groove 11 is certain, when linkage wheel 10 rolls to the inside one end mutual contact with the spread groove 11, running-board 3 can not continue to be stepped on the rotation this moment, so carry out spacing support to running-board 3 whole when running-board 3 is stepped on, thereby avoid the great problem that leads to running-board 3 to step on the range too big fracture damage of operating personnel application of force.
Further, a buffer assembly is arranged in the connecting groove 11, and the buffer assembly comprises a buffer block 12 and a spring 13; the buffer block 12 is movably arranged in the connecting groove 11 through a sliding rail, and one side wall surface of the buffer block 12, which is close to the linkage wheel 10, is arc-shaped; through being provided with buffer unit, pedal 3 is stepped on and is driven spacing axle 9 rotation in order to drive the drive wheel 10 when the inside roll to one side of spread groove 11, and when wheel 10 and buffer block 12 contact each other, spring 13 can exert reverse effort in order to play the speed reduction buffering effect to the spacing process of whole to wheel 10.
Further, the pneumatic assembly comprises an air inlet valve 4, an air inlet connector 5 and a ventilation valve 6, wherein the air inlet valve 4 is arranged on the box cover 2, the air inlet connector 5 is arranged on the air inlet valve 4, and the ventilation valve 6 is arranged on the box cover 2.
Furthermore, the pedal plate 3 is fixedly provided with an elastic anti-slip strip 7, the anti-slip strip 7 is made of elastic rubber, and the anti-slip strip 7 can play an anti-slip effect at the contact surface position of the foot of an operator and the pedal plate 3.
The working principle of the utility model is as follows: when the operator uses the hydraulic pump, the foot is placed on the pedal plate 3 and is applied with force downwards to step on, when the pedal plate 3 rotates downwards, the limiting shaft 9 is driven to rotate, when the limiting shaft 9 rotates, the linkage wheel 10 is driven to slide in the connecting groove 11 and continuously roll so as to reduce the friction force during sliding, the whole inner wall length of the connecting groove 11 is fixed, and when the linkage wheel 10 rolls to be in contact with one end in the connecting groove 11, the pedal plate 3 can not be continuously stepped on to rotate, so that the whole pedal plate 3 is limited and supported when the pedal plate 3 is stepped on.
Claims (6)
1. The utility model provides a pneumatic hydraulic pump of double speed single action pedal, includes oil tank (1), be provided with case lid (2) on oil tank (1), be provided with on case lid (2) rotatable running-board (3), be provided with pneumatic assembly, its characterized in that on case lid (2): be provided with spacing subassembly on case lid (2), spacing subassembly includes:
the connecting frame (8), the said connecting frame (8) is fixedly mounted on foot-plate (3);
the limiting shaft (9) is rotatably arranged on the connecting frame (8);
the connecting groove (11), the said connecting groove (11) opens on the case lid (2);
and the linkage wheel (10) is rotatably arranged at the bottom of the limiting shaft (9).
2. A two-speed single-acting foot-operated pneumatic hydraulic pump according to claim 1, wherein: the limiting shaft (9) is movably connected with the connecting frame (8) through a rotating shaft, a groove for installing the linkage wheel (10) is formed in the limiting shaft (9), and the linkage wheel (10) is movably installed in the groove through the rotating shaft.
3. A two-speed single-acting foot-operated pneumatic hydraulic pump according to claim 1, wherein: the inside of spread groove (11) is provided with buffer assembly, and buffer assembly includes buffer block (12) and spring (13), and buffer block (12) are through slide rail movable mounting in the inside of spread groove (11), and the side wall that buffer block (12) is close to linkage wheel (10) is the arc shape.
4. A two-speed single-acting foot-operated pneumatic hydraulic pump according to claim 1, wherein: the pneumatic assembly comprises an air inlet valve (4), an air inlet joint (5) and a ventilation valve (6).
5. A two-speed single-acting foot-operated pneumatic hydraulic pump according to claim 4, wherein: the air inlet valve (4) is arranged on the box cover (2), the air inlet joint (5) is arranged on the air inlet valve (4), and the ventilation valve (6) is arranged on the box cover (2).
6. A two-speed single-acting foot-operated pneumatic hydraulic pump according to claim 1, wherein: an elastic anti-slip strip (7) is fixedly arranged on the pedal plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455816.2U CN218971359U (en) | 2022-12-23 | 2022-12-23 | Double-speed single-action pedal pneumatic hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455816.2U CN218971359U (en) | 2022-12-23 | 2022-12-23 | Double-speed single-action pedal pneumatic hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218971359U true CN218971359U (en) | 2023-05-05 |
Family
ID=86162651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223455816.2U Active CN218971359U (en) | 2022-12-23 | 2022-12-23 | Double-speed single-action pedal pneumatic hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218971359U (en) |
-
2022
- 2022-12-23 CN CN202223455816.2U patent/CN218971359U/en active Active
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