CN218235363U - Wired control hydraulic pump - Google Patents

Abstract

The utility model relates to the technical field of hydraulic pumps, in particular to a wired control hydraulic pump which reduces the potential safety hazard, reduces the pressure loss and improves the sensitivity of equipment; the oil-saving type hydraulic cylinder comprises a shell, an overflow valve, an oil-absorbing one-way valve, a plunger cylinder body, an oil outlet one-way valve, an oil drain valve core, a cylinder barrel, a plunger, a large piston, a small piston, an oil drain switch, an air inlet connector, a first oil drain pneumatic control valve, an air inlet pneumatic control valve, a waterproof cap, a mechanical valve, an aluminum alloy handle, a nylon protective pipe and a second oil drain pneumatic control valve, wherein an air outlet is formed in the shell, a starting motor is arranged inside the shell, the nylon protective pipe is installed at the left end of the shell, the aluminum alloy handle is connected with the left end of the nylon protective pipe through the waterproof cap, and an UP button and a DOWN button are arranged on the aluminum alloy handle.

Description

Wired control hydraulic pump

Technical Field

The utility model relates to a technical field of hydraulic pump especially relates to a wired control hydraulic pump.

Background

The existing pneumatic hydraulic pump is usually pedal type, an operator needs to pedal a pedal closely with a foot to control the work of the pneumatic hydraulic pump, and the following technical defects or shortcomings exist: 1. certain specific equipment is inconvenient to trample due to installation restriction or has potential safety hazard when the equipment is too close to the installation; 2. the pedal type pneumatic hydraulic pump needs to lengthen an oil pipe if remote control is needed, and the lengthening of the oil pipe causes pressure loss, so that pressure drop is generated, and the control transmission reaction is slow and asynchronous; potential safety hazards exist when the oil pipe is too long; 3. the sensitivity of the foot pedal controlled by feet is too low to be accurately controlled.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reduce the potential safety hazard, reduce the loss of pressure, improve equipment's sensitivity's wired control hydraulic pump.

The utility model discloses a wired control hydraulic pump, including wired control structure and execution structure, wired control structure installs at execution structure and drive execution structure, the wired control structure includes waterproof cap, mechanical valve, aluminum alloy handle and nylon protecting tube, and the mechanical valve is installed in aluminum alloy handle's inside, and aluminum alloy handle is connected with the left end of nylon protecting tube through waterproof cap, is provided with UP button and DOWN button on the aluminum alloy handle.

The utility model discloses a wired control hydraulic pump, the executive structure includes the casing, the overflow valve, the oil absorption check valve, the plunger cylinder body, the check valve that produces oil, the draining case, the cylinder, the plunger, big piston, little piston, the draining switch, the switch of admitting air, the air connector, first draining gas accuse valve, admit air gas accuse valve and second draining gas accuse valve, be provided with the gas vent on the casing, the inside of casing is provided with the starter motor, the nylon protecting tube is installed in the left end of casing, the overflow valve, the oil absorption check valve, the plunger cylinder body, the check valve that produces oil, the draining case, the cylinder, the plunger, big piston, little piston, the draining switch, the switch of admitting air, first draining gas accuse valve, admit air gas accuse valve and second draining gas accuse valve are all installed in the inside of casing, the mechanical valve is connected with the gas accuse valve that admits air, the air connector is connected with the switch that admits air, big piston and little piston all are located the inside of cylinder, and be provided with the gas drainage groove on the cylinder, big piston sealing washer, big piston communicates with the gas vent of casing, the plunger communicates with each other is located the inside of plunger.

The utility model discloses a wired control hydraulic pump still includes guard shield and handle, and the bottom of guard shield is connected with the top of casing, and partial device carries out the cage cover, and the bottom of handle is connected with the top of guard shield.

The utility model discloses a wired control hydraulic pump still includes the muffler, and the side of muffler is connected with the gas vent of casing.

The utility model discloses a wired control hydraulic pump still includes the oil absorption filter core, and the oil absorption check valve is installed in the oil absorption filter core.

Compared with the prior art, the beneficial effects of the utility model are that: after the equipment is connected with an air source, compressed air is divided into two groups, one group enters a mechanical valve in an aluminum alloy handle, the other group enters a pneumatic motor, an UP button is pressed DOWN, the mechanical valve is opened, the compressed air enters an air inlet pneumatic control valve, a piston is pushed to move downwards to open an air inlet switch, then the compressed air enters a cylinder barrel and pushes a large piston to move forwards, after a sealing ring of the large piston crosses an air outlet groove on the cylinder barrel, the compressed air enters a small piston to balance the internal pressure and the external pressure, the small piston opens the sealing ring under the action of a spring, the compressed air passes through the large piston and is exhausted from an air outlet of a shell, then the air pressure at two ends of the large piston is balanced, the spring pushes the large piston to return to an initial position to complete a reciprocating stroke, and under the combined action of the reciprocating motion of the large piston and the spring, the plunger is pushed to reciprocate in the plunger cylinder body, so that the plunger retreats to absorb oil, the plunger advances to discharge oil, high hydraulic pressure of a small-area plunger end is generated by utilizing low air pressure of a large-area piston end, then under the control of the oil absorption one-way valve and the oil discharge one-way valve, continuous hydraulic power is provided to enter devices such as a single-action oil cylinder through a hydraulic oil pipe, then an UP button is loosened, a DOWN button mechanical valve is pressed to open, compressed air enters a first oil drainage control valve through an air pipe and pushes a piston to move downwards, an oil drainage pressure rod is pushed to open a second oil drainage control valve, a hydraulic pump releases pressure, and hydraulic oil returns to an oil tank through the original path of the hydraulic oil pipe, so that potential safety hazards are reduced, pressure loss is reduced, and the sensitivity of equipment is improved.

Drawings

Fig. 1 is a schematic front sectional view of the present invention;

fig. 2 is a schematic bottom sectional view of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1;

in the drawings, the reference numbers: 1. a housing; 3. an overflow valve; 9. an oil absorption filter element; 10. an oil suction one-way valve; 12. a plunger cylinder; 16. an oil outlet one-way valve; 21. an oil drain valve core; 29. a cylinder barrel; 32. A plunger; 34. a large piston; 37. a small piston; 50. a muffler; 52. an oil drainage switch; 54. An air inlet switch; 59. an air inlet joint; 75. a first oil drainage pneumatic control valve; 78. an air intake control valve; 85. a shield; 86. a handle; 96. a waterproof cap; 103. a mechanical valve; 116. an aluminum alloy handle; 122. a nylon protective tube; 124. and a second oil drainage pneumatic control valve.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the utility model discloses a wired control hydraulic pump, including casing 1, overflow valve 3, oil absorption check valve 10, plunger cylinder 12, oil outlet check valve 16, oil drain spool 21, cylinder 29, plunger 32, big piston 34, little piston 37, oil drain switch 52, air inlet switch 54, air inlet connector 59, first oil drain air control valve 75, air inlet air control valve 78, waterproof cap 96, mechanical valve 103, aluminum alloy handle 116, nylon protecting tube 122 and second oil drain air control valve 124, be provided with the gas vent on casing 1, the inside of casing 1 is provided with the starter motor, nylon protecting tube 122 is installed in the left end of casing 1, aluminum alloy handle 116 is connected with the left end of nylon protecting tube 122 through waterproof cap 96, and be provided with UP button and DOWN button on aluminum alloy handle 116, overflow valve 3, oil absorption check valve 10, plunger cylinder 12, oil outlet check valve 16, oil drain spool 21, cylinder 29, plunger 32, big piston 34, little piston 37, oil drain switch 52, oil control valve 54, first oil drain check valve 10, oil drain cylinder 12, oil drain check valve 16, oil drain check valve 21, oil valve 21, cylinder 29 and second oil drain valve 34 are provided with the inside piston 34 and air inlet air control valve 34 and air inlet air drain valve 34 and piston connector connected, the big piston connector is provided with the inside piston connector 34, the piston connector is connected with the piston cylinder 34; after the device is connected with an air source, compressed air is divided into two groups, one group enters a mechanical valve 103 in an aluminum alloy handle 116, the other group enters a pneumatic motor, an UP button is pressed, the mechanical valve 103 is opened, the compressed air enters an air inlet control valve 78, a piston is pushed to move downwards to open an air inlet switch 54, then the compressed air enters a cylinder 29 and pushes a large piston 34 to move forwards, after a sealing ring of the large piston passes through an air outlet groove on the cylinder 29, the compressed air enters a small piston 37 to balance the internal pressure and the external pressure, the small piston 37 opens the sealing ring under the action of a spring, the compressed air passes through the large piston 34 and is exhausted from an air outlet of a shell 1, then the air pressures at two ends of the large piston 34 are balanced, the spring pushes the large piston 34 to return to an initial position to complete a reciprocating stroke, and under the combined action of the reciprocating motion of the large piston 34 and the spring, the plunger 32 is pushed to reciprocate in the plunger cylinder body 12, so that the plunger 32 retreats to absorb oil, the plunger 32 advances to discharge oil, high hydraulic pressure of a small-area plunger end is generated by utilizing low air pressure of a large-area piston end, then under the control of the oil absorption one-way valve 10 and the oil discharge one-way valve 16, continuous hydraulic power is provided to enter a single-action oil cylinder and other devices through a hydraulic oil pipe, then an UP button is released, a DOWN button mechanical valve 103 is pressed to be opened, compressed air enters the first oil drainage pneumatic control valve 75 through an air pipe and pushes the piston to move downwards, an oil drainage pressure rod is pushed to open the second oil drainage pneumatic control valve 124, a hydraulic pump is used for pressure relief, hydraulic oil returns to the oil tank through a hydraulic oil pipe original path, the potential safety hazard is reduced, the pressure loss is reduced, and the sensitivity of the device is improved.

The utility model discloses a wired control hydraulic pump still includes guard shield 85 and handle 86, and the bottom of guard shield 85 is connected with the top of casing 1, and partial device is covered, and the bottom of handle 86 is connected with the top of guard shield 85; protect equipment through equipment guard shield 85, reduce the collision of hard object and devices such as draining switch 52 and first draining gas accuse valve 75, through setting up handle 86, conveniently remove equipment to improve equipment's practicality.

The utility model discloses a wired control hydraulic pump, still include the muffler 50, the side of the muffler 50 is connected with the exhaust port of the body 1; by providing the silencer 50, the noise during the exhaust is reduced, thereby improving the practicality of the apparatus.

The utility model discloses a wired control hydraulic pump, also include the oil absorption filter core 9, the oil absorption check valve 10 is installed in the oil absorption filter core 9; through setting up oil absorption filter core 9, have to filter hydraulic pressure, reduce the impurity in the hydraulic oil to reduce the fault rate of equipment.

The utility model discloses a wired control hydraulic pump, it is at work, at first the equipment connection air supply, compressed air divides two sets of, enter into mechanical valve 103 in the aluminum alloy handle 116 all the way, enter into pneumatic motor all the way, press the UP button, mechanical valve 103 opens, compressed air enters into air inlet gas accuse valve 78, promote the piston to move DOWN and open air inlet switch 54, later compressed air enters into cylinder 29, promote big piston 34 to advance, big piston sealing washer is after crossing the gas release groove on cylinder 29, compressed air enters into little piston 37, make inside and outside pressure balance, little piston 37 opens the sealing washer under the effect of spring, compressed air passes big piston 34, discharge by the gas vent of casing 1, later big piston 34 both ends atmospheric pressure is balanced, the spring promotes big piston 34 and gets back to the initial position, completing a reciprocating stroke, and under the combined action of the reciprocating motion of the large piston 34 and the spring, pushing the plunger 32 to reciprocate in the plunger cylinder 12, so that the plunger 32 retreats to suck oil, the plunger 32 advances to discharge oil, and further high hydraulic pressure at the small-area plunger end is generated by utilizing low air pressure at the large-area piston end, then under the control of the oil suction one-way valve 10 and the oil discharge one-way valve 16, continuous hydraulic power is provided to enter a single-action oil cylinder and other devices through a hydraulic oil pipe, then an UP button is released, a DOWN button mechanical valve 103 is pressed to be opened, compressed air enters the first oil drainage valve 75 through an air pipe and pushes the piston to move downwards, an oil drainage pressure rod is pushed to open the second oil drainage pneumatic control valve 124, the hydraulic pump releases pressure, and hydraulic oil returns to the oil tank through the original path of the hydraulic oil pipe.

The utility model discloses a wired control hydraulic pump, its mounting means, connected mode or mode of setting are common mechanical type, as long as can reach all can implement of its beneficial effect, this industry technical staff only need according to its subsidiary specification install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The wired control hydraulic pump is characterized by comprising a wired control structure and an execution structure, wherein the wired control structure is arranged on the execution structure and drives the execution structure, the wired control structure comprises a waterproof cap (96), a mechanical valve (103), an aluminum alloy handle (116) and a nylon protection pipe (122), the mechanical valve (103) is arranged inside the aluminum alloy handle (116), the aluminum alloy handle (116) is connected with the left end of the nylon protection pipe (122) through the waterproof cap (96), and an UP button and a DOWN button are arranged on the aluminum alloy handle (116).

2. The wired control hydraulic pump of claim 1, wherein the executing structure comprises a housing (1), an overflow valve (3), an oil suction check valve (10), a plunger cylinder (12), an oil outlet check valve (16), an oil drain valve core (21), a cylinder (29), a plunger (32), a large piston (34), a small piston (37), an oil drain switch (52), an air inlet switch (54), an air inlet joint (59), a first oil drain air control valve (75), an air inlet air control valve (78) and a second oil drain air control valve (124), wherein an exhaust port is arranged on the housing (1), a starting motor is arranged inside the housing (1), a nylon protective pipe (122) is arranged at the left end of the housing (1), the overflow valve (3), the oil suction check valve (10), the plunger cylinder (12), the oil outlet check valve (16), the oil drain valve core (21), the cylinder (29), the plunger (32), the large piston (34), the small piston (37), the oil drain switch (52), the air inlet air valve (54), the first oil drain valve (75), the second oil drain air control valve (75), the air inlet air control valve (124) and the air drain air control valve (124), and the air inlet joint (59) are connected with the air inlet air valve (54), the large piston (34) and the small piston (37) are both located inside the cylinder barrel (29), an air release groove is formed in the cylinder barrel (29), a large piston sealing ring is arranged on the large piston (34), the large piston (34) is communicated with an air outlet of the shell (1), and the plunger (32) is located inside the plunger cylinder body (12).

3. The line controlled hydraulic pump as claimed in claim 2, further comprising a shroud (85) and a handle (86), wherein a bottom end of the shroud (85) is connected to a top end of the housing (1) to shroud the partial device, and a bottom end of the handle (86) is connected to a top end of the shroud (85).

4. The wire-controlled hydraulic pump according to claim 2, further comprising a muffler (50), and a side end of the muffler (50) is connected to an exhaust port of the housing (1).

5. The wired control hydraulic pump as claimed in claim 2, further comprising an oil suction filter element (9), wherein the oil suction check valve (10) is installed in the oil suction filter element (9).

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