CN218845719U - Electric high-pressure plunger pump - Google Patents

Abstract

The utility model relates to an electronic high pressure plunger pump belongs to plunger pump technical field, including the pump pole, motor and power switching-over device, the pump pole includes pump pole shell and pump oil removal portion, pump oil removal portion sets up inside the pump pole shell, the motor is DC motor, utilize external battery or mechanical equipment battery of taking certainly to supply power for DC motor, the motor provides power for electronic high pressure plunger pump, power switching-over device is provided with the casing, the motor is connected with the inside reversing mechanism of casing, connecting rod and the reversing mechanism in pump oil removal portion are connected, reversing mechanism is slider-crank mechanism or lead screw slip table mechanism, reversing mechanism converts the rotary motion of motor into the straight reciprocating motion of connecting rod, the connecting rod drives the transport that lubricating oil was realized to pump oil removal portion reciprocating motion, the problem of can't pumping lubricating oil to lubricated position under the circumstances of open-air source among the prior art has been solved.

Description

Electric high-pressure plunger pump

Technical Field

The utility model belongs to the technical field of the plunger pump, concretely relates to electronic high-pressure plunger pump.

Background

Large-scale mechanical equipment is generally located field work, the lubrication of the equipment is generally to insert the bottom plate of a lubricating pump into a lubricating oil barrel, most lubricating oil is lubricating oil or lubricating grease with larger viscosity, so a plunger pump capable of providing larger oil pressure needs to be selected, most plunger pumps on the market at present are pneumatic plunger pumps, the plunger pumps are inserted into a lubricating oil tank and convey the lubricating oil to a lubrication position, but no commercial power or no air source exists in the field environment, and the mode of oiling by adopting the pneumatic plunger pumps is not advisable.

Patent document CN210979294U discloses a pneumatic lubricant pump, which comprises a vertically arranged plunger pump pipe, wherein the lower part of the plunger pump pipe is provided with a liquid inlet, the upper part of the plunger pump pipe is provided with a liquid outlet, a driving cylinder is arranged above the plunger pump pipe, a plunger rod of the plunger pump pipe is connected with a cylinder piston in the driving cylinder, and the driving cylinder is used for driving the plunger rod of the plunger pump pipe to move up and down; the automatic pneumatic reversing valve is arranged on the side face of the driving cylinder and is provided with a high-pressure gas inlet, a first high-pressure gas outlet and a second high-pressure gas outlet, the first high-pressure gas outlet and the second high-pressure gas outlet are respectively communicated with a cylinder piston upper cavity and a cylinder piston lower cavity, and an air passage is correspondingly arranged on the wall of the driving cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic high-pressure plunger pump has solved among the prior art and can't go into the problem of lubricated position with lubricating oil pump under the circumstances of open-air no air supply.

According to an aspect of the utility model, the application provides electronic high-pressure plunger pump, including the pump pole, motor and power switching-over device, the pump pole includes pump pole shell and pump oil removal portion, pump oil removal portion sets up inside the pump pole shell, the pump pole shell is by the connecting pipe, the pump body, check valve seat and oil feed sleeve pipe connect gradually and constitute, pump oil removal portion is by the connecting rod, the plunger rod, check valve seat and lifter rod connect gradually and constitute, the lower extreme of the lifter rod of setting in the oil feed sleeve pipe is fixed with the lifter plate of carrying with the cooperation of oil feed sleeve pipe inner wall, the plunger rod cooperates with the upper portion sliding seal of pump body inner wall, the upper portion of plunger rod is provided with out oily check valve, the lower part forms pressure boost check valve with the cooperation of check valve seat, power switching-over device is provided with the casing, the motor is fixed on the casing, and be connected with the inside reversing mechanism of casing, the pump pole shell is fixed on the casing, the connecting rod is connected with reversing mechanism, the motor is through the linear reciprocating motion of reversing mechanism drive connecting rod.

Further, the motor is a direct current motor.

Further, the axis of the motor is perpendicular to the axis of the connecting rod.

Furthermore, the reversing mechanism is a slider-crank mechanism, the slider-crank mechanism comprises a circular crank, a connecting rod and a sliding block, an output shaft of the motor is fixedly connected with the circular crank, one end of the connecting rod is rotatably connected with the circular crank, the other end of the connecting rod is rotatably connected with the inside of the sliding block, the bottom of the sliding block is connected with a connecting rod in the oil pumping moving part, and the outside of the sliding block is slidably connected with a connecting pipe in the pump rod shell.

Further, the axis of the motor is parallel to the axis of the connecting rod.

Furthermore, the reversing mechanism is a lead screw sliding table mechanism which comprises a reciprocating lead screw and a sliding table, an output shaft of the motor is fixedly connected with one end of the reciprocating lead screw through a coupler, the other end of the reciprocating lead screw is connected with the shell through a bearing, the sliding table is sleeved on the reciprocating lead screw, and the sliding table is connected with the connecting rod through a connecting shaft.

The utility model has the advantages that:

the utility model provides an electronic high-pressure plunger pump, including the pump pole, motor and power switching-over device, the pump pole includes pump pole shell and pump oil removal portion, pump oil removal portion sets up inside the pump pole shell, the motor is DC motor, utilize external battery or mechanical equipment battery of taking certainly can be for the motor power supply, the motor provides power for electronic high-pressure plunger pump, power switching-over device is provided with the casing, the motor is connected with the inside reversing mechanism of casing, connecting rod and the reversing mechanism in the pump oil removal portion are connected, reversing mechanism is slider-crank mechanism or lead screw slip table mechanism, the linear reciprocating motion of connecting rod is converted into with the rotary motion of motor to the reversing mechanism, the connecting rod drives plunger rod reciprocating motion and realizes the transport of lubricating oil, to sum up, the utility model provides an electronic high-pressure plunger pump can be under the circumstances of open-air source free, pump lubricating position is gone into with the lubricating oil pump.

Drawings

FIG. 1: front view of embodiment 1;

FIG. 2: base:Sub>A cross-sectional view in the direction of A-A in FIG. 1;

FIG. 3: cross-sectional view of example 2;

FIG. 4: cross-sectional view of example 3.

Reference numerals are as follows: the oil-discharging pump comprises a pump rod 1, a motor 2, a power reversing device 3, a connecting pipe 4, a pump body 5, a check valve seat 6, an oil inlet sleeve 7, a connecting rod 8, a plunger rod 9, a one-way valve seat 10, a material lifting rod 11, a material lifting plate 12, an oil-discharging one-way valve 13, a shell 14, a circular crank 15, a connecting rod 16, a sliding block 17, a reciprocating screw rod 18, a sliding table 19, a connecting shaft 20, a check valve core 21, an eccentric wheel 22, a moving frame 23, a stop block 24, a sealing ring 25 and an oil outlet 26.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments, structures, characteristics and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

It is noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the terms so used are interchangeable under appropriate circumstances.

It should be noted that in this application, where the context requires no explicit mention, the use of directional terms such as "upper, lower, top, bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, perpendicular or gravitational direction; similarly, "inner and outer" refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description, but the above directional terms are not intended to limit the invention.

Example 1

According to the figures 1 and 2, the electric high-pressure plunger pump comprises a pump rod 1, a motor 2 and a power reversing device 3, wherein the pump rod 1 comprises a pump rod shell and a pump oil moving part, the pump oil moving part is arranged in the pump rod shell, the pump rod shell is formed by sequentially connecting a connecting pipe 4, a pump body 5, a check valve seat 6 and an oil inlet sleeve 7, the pump body 5 is of a cylindrical hollow structure, the pump oil moving part is formed by sequentially connecting a connecting rod 8, a plunger rod 9, a check valve seat 10 and a lifting rod 11, a lifting plate 12 matched with the inner wall of the oil inlet sleeve 7 for lifting is fixed at the lower end of the lifting rod 11 arranged in the oil inlet sleeve 7, the plunger rod 9 is in sliding sealing fit with the upper part of the inner wall of the pump body 5, a check valve core 21 is arranged on the check valve seat 6 to form a check valve, an oil outlet check valve 13 is arranged at the upper part of the plunger rod 9, the oil outlet check valve 13 is provided with a valve seat and an oil outlet hole at the upper part of the plunger rod 9, the valve seat is provided with a first ball valve core, one end of a compression spring I is tightly propped against the lower end part of the connecting rod 8, the other end of the compression spring I is tightly propped against the first ball valve core, the lower part of a plunger rod 9 is matched with a one-way valve seat 10 to form a pressurizing one-way valve, the lower side of the one-way valve seat 10 is transversely provided with an oil inlet hole, an oil through hole communicated with the oil inlet hole is arranged on the axis, the oil through hole is provided with a second ball valve core, one end of the compression spring II is tightly propped against a spring seat, the other end of the compression spring II is tightly propped against the second ball valve core, the spring seat is sleeved on the lower end part of the plunger rod 9, an inner cavity of an oil inlet sleeve 7, a check valve seat 6, the outer wall space of a lifting rod 11, an inner cavity of the plunger rod 9 and a cavity between the plunger rod 9 and the connecting pipe 4 form an oil supply channel, the power reversing device is provided with a shell 14, and a motor 2 is fixedly connected with a reversing mechanism in the shell 14 by bolts, connecting pipe 4 among the pump line shell welds on the casing, and top both sides are equipped with the arch and form the slide in connecting pipe 4, and the side of going up to the below on connecting pipe 4 is equipped with sealing ring 25, and sealing ring 25 below department is equipped with oil-out 26.

Specifically, motor 2 is direct current motor, specifically can select for use the motor the same with mechanical equipment from the battery voltage class in area, is convenient for like this from the battery lug connection in area with mechanical equipment, convenient to use, and motor 2's axis and 8 axis mutually perpendicular settings of connecting rod are convenient for like this directly place the top at lubricating oil barrel with the motor, need not to install strutting arrangement additional.

Specifically, reversing mechanism is slider-crank mechanism, slider-crank mechanism includes circular crank 15, connecting rod 16 and slider 17, motor 2's output shaft and circular crank 15 fixed connection, and the top of connecting rod 16 rotates with the position that is close to the edge on the circular crank 15 and is connected, and the bottom of connecting rod 16 rotates with slider 17 is inside to be connected, and slider 17 bottom and the connecting rod 8 welding in the pump oil removal portion, the slide sliding connection in slider 17's the left and right sides and the connecting pipe 4.

In the specific use, the motor 2 rotates to drive the circular crank 15 to rotate, the circular crank 15 pushes the sliding block 17 to do reciprocating motion in the slideway of the connecting pipe 4 through the connecting rod 16, and the sliding block 17 drives the oil pumping moving part to do reciprocating motion, so that the conveying of lubricating oil is realized.

Example 2

As shown in fig. 3, the difference from embodiment 1 lies in that the axis of the motor 2 and the axis of the connecting rod 8 are parallel to each other, the reversing mechanism is a screw rod sliding table mechanism, the screw rod sliding table mechanism includes a reciprocating screw rod 18 and a sliding table 19, an output shaft of the motor 2 is fixedly connected with the top of the reciprocating screw rod 18 through a coupling, the bottom of the reciprocating screw rod 18 is connected with the housing 14 through a bearing, the sliding table 19 is sleeved on the reciprocating screw rod 18, the sliding table 19 is connected with the connecting rod 2 through a connecting shaft 20, the rotating of the motor 2 drives the reciprocating screw rod 18 to rotate, so that the sliding table 19 makes reciprocating motion on the reciprocating screw rod 18, and the sliding table 19 drives the oil pumping moving part to make reciprocating motion through the connecting shaft 20, thereby realizing the conveying of the lubricating oil.

Example 3

As shown in fig. 4, the reversing mechanism is an eccentric wheel slider mechanism as in embodiment 1, an output shaft of the motor 2 is fixedly connected with the eccentric wheel 22, a moving frame 23 abuts against the outer side of the eccentric wheel 22, stop blocks 24 are arranged on two sides inside the housing 14, the stop blocks 24 form a slide way, the moving frame 23 is slidably connected with the stop blocks 24, the moving frame 23 is welded with the connecting rod 8, the motor 2 drives the eccentric wheel 22 to rotate, the deviation wheel 22 drives the moving frame 23 to reciprocate in the slide way formed by the stop blocks 24, and the moving frame drives the oil pumping moving part to reciprocate, so that the conveying of the lubricating oil is realized.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.

Claims (6)

1. The electric high-pressure plunger pump is characterized by further comprising a motor and a power reversing device, the power reversing device is provided with a shell, the motor is fixed on the shell and connected with a reversing mechanism inside the shell, the pump rod shell is fixed on the shell, the connecting rod is connected with the reversing mechanism, and the motor drives the connecting rod to do linear reciprocating motion through the reversing mechanism.

2. The electric high-pressure plunger pump according to claim 1, characterized in that the motor is a direct current motor.

3. The electric high-pressure plunger pump according to claim 2, wherein the axis of the motor and the axis of the connecting rod are arranged perpendicular to each other.

4. The electric high-pressure plunger pump according to claim 3, wherein the reversing mechanism is a slider-crank mechanism, the slider-crank mechanism comprises a circular crank, a connecting rod and a slider, the output shaft of the motor is fixedly connected with the circular crank, one end of the connecting rod is rotatably connected with the circular crank, the other end of the connecting rod is rotatably connected with the inside of the slider, the bottom of the slider is connected with the connecting rod in the oil pumping moving part, and the outside of the slider is slidably connected with the connecting pipe in the pump rod housing.

5. The electric high-pressure plunger pump according to claim 2, characterized in that the axis of the motor and the axis of the connecting rod are parallel to each other.

6. The electric high-pressure plunger pump according to claim 5, wherein the reversing mechanism is a screw rod sliding table mechanism, the screw rod sliding table mechanism comprises a reciprocating screw rod and a sliding table, an output shaft of the motor is fixedly connected with one end of the reciprocating screw rod through a coupler, the other end of the reciprocating screw rod is connected with the housing through a bearing, the sliding table is sleeved on the reciprocating screw rod, and the sliding table is connected with the connecting rod through a connecting shaft.

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