CN221074716U - Electronic oil pump with combined sliding bearing structure - Google Patents

Abstract

The utility model discloses an electronic oil pump with a combined sliding bearing structure, which comprises a shell and a filter plate, wherein a cover plate is arranged at the edge of one side of the shell, a diversion trench is formed in the middle of one side of the shell, a motor end is arranged in the shell, a shaft lever is arranged on the inner side of the motor end, an oil pump end is arranged on one side of the outer side of the shaft lever, the oil pump end is positioned on the inner side of the diversion trench, a sliding bearing B is arranged in the middle of one side of the cover plate, a sliding bearing A is arranged in the middle of one side of the inner side of the diversion trench, and an oil drain port and an oil inlet are respectively formed in the top and the bottom of one side of the cover plate; according to the utility model, the single sliding bearing is divided into the sliding bearing A and the sliding bearing B which are arranged on two sides of the oil pump end, so that the pressure of the oil pump end and the motor end can be balanced better, the abrasion problem can be solved better, the cost is lower than that of a double-ball bearing, and the inclination problem of the single sliding bearing can be effectively improved as the cost of the single sliding bearing is the same as that of the single sliding bearing.

Description

Electronic oil pump with combined sliding bearing structure

Technical Field

The utility model relates to the technical field of electronic oil pumps, in particular to an electronic oil pump with a combined sliding bearing structure.

Background

The oil pump is a portable and compact pump, and has three major categories of in-line type, distribution type and single type. The oil pump can only operate by a power source, the cam shaft at the lower part of the oil pump is driven by the crank shaft gear of the engine, and compared with a mechanical oil pump, the electronic oil pump is provided with a control unit, so that the flow and the oil pressure can be supplied as required, and the energy waste is reduced;

Most of the electronic oil pumps on the market currently use two ball bearings at two ends of a motor shaft or only one sliding bearing;

The two ends of the motor shaft are supported by two ball bearings, so that the oil pump is required to be completely isolated from the motor, and a sealing mechanism is required to be added between the two ball bearings; moreover, the hydraulic pressure of the oil pump end is far greater than the magnetic pulling force of the motor and the gravity of the rotor, so that the bearing capacity of the bearing close to the oil pump end is greater than that of the bearing at the rear end, and the bearing at the oil pump end is often worn more, thereby influencing the performance and the service life of the product;

And a slide bearing, oil can get into the motor intracavity, lubricates axle and slide bearing with fluid as the medium, and hydraulic pressure can make the axle incline forever, and slide bearing often can not wear according to the design state to lead to motor jamming or eccentric wear, a slide bearing is all less in order to make the axle slope again, with the bearing extension, leads to fluid unable entering, can not abundant lubrication, causes noise problem and early wear.

Disclosure of utility model

The present utility model is directed to an electronic oil pump with a combined sliding bearing structure, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electronic oil pump of combination formula slide bearing structure, includes casing and filter, casing one side edge is provided with the apron, the guiding gutter has been seted up at the middle part of casing one side, the inside of casing is provided with the motor end, the inboard of motor end is provided with the axostylus axostyle, one side in the axostylus axostyle outside is provided with the oil pump end, the oil pump end is located the inboard of guiding gutter, the middle part of apron one side is provided with slide bearing B, the middle part of the inboard one side of guiding gutter is provided with slide bearing A, the top and the bottom of apron one side are provided with oil drain port and oil inlet respectively, the top and the bottom of filter are provided with dismouting subassembly.

Preferably, the dismouting subassembly includes draw-in groove, spring, guide slot, filter, inserted bar, piston piece and push rod, the guide slot has been seted up to the top and the bottom of filter, two sets of the inboard cover of guide slot is equipped with the inserted bar, the draw-in groove with inserted bar matched with is seted up at the middle part of the inboard top of oil inlet and bottom, two sets of the top and the bottom that the inserted bar is close to mutually are provided with the spring, the inboard cover of draw-in groove is equipped with the push rod, is convenient for carry out the dismouting to the filter.

Preferably, two groups of push rods are provided with piston sheets matched with the clamping grooves near the top and the bottom of the inserted rod, and the inserted rod can be pushed by the piston sheets.

Preferably, the sliding bearing B and the sliding bearing A are both sleeved on the outer side of the shaft rod, and the sliding bearing B and the sliding bearing A are respectively positioned on two sides of the oil pump end, so that the stability of the two sides of the oil pump end can be balanced.

Preferably, the shape of the inserted link is wedge-shaped, so that the filter plate is convenient to install.

Preferably, a pull rope is arranged at the top and the bottom of one side of the filter plate, and the filter plate can be pulled by the pull rope to be taken out of the oil inlet.

Compared with the prior art, the utility model has the beneficial effects that: an electronic oil pump of the combined sliding bearing structure;

1. According to the device, the single sliding bearing is divided into the sliding bearing A and the sliding bearing B which are arranged on two sides of the oil pump end, so that the pressure of the oil pump end and the motor end can be balanced better, the abrasion problem can be solved better, the cost is lower than that of a double-ball bearing, the cost is the same as that of the single sliding bearing, and the inclination problem of the single sliding bearing can be effectively improved;

2. Because each of the two sliding bearings is shorter than the single sliding bearing, oil can fully enter the bearing for lubrication when passing through the guide groove, the noise of the device is reduced, the friction damage to the shaft lever is reduced, and the service life of the product is optimized;

3. Through mutually supporting between draw-in groove, spring, guide slot, filter, inserted bar, piston piece and the push rod for the device is when carrying fluid, can filter fluid through the filter before fluid gets into the guiding gutter in, and follow-up when clearing up the filter, only need press two sets of push rods can demolish the filter and take out the clearance, has promoted the dismouting convenience when clearing up the filter.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is a side cross-sectional view of the oil inlet of the present utility model;

fig. 4 is an enlarged schematic view of the structure a of fig. 2 according to the present utility model.

In the figure: 1. a housing; 2. a shaft lever; 3. a motor end; 4. a sliding bearing A; 5. an oil pump end; 6. a sliding bearing B; 7. an oil drain port; 8. an oil inlet; 9. a cover plate; 10. a clamping groove; 11. a spring; 12. a guide groove; 13. a filter plate; 14. a rod; 15. a piston plate; 16. a push rod; 17. and a diversion trench.

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.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides an electronic oil pump of combination formula slide bearing structure, including casing 1 and filter 13, casing 1 one side edge is provided with apron 9, guiding gutter 17 has been seted up at the middle part of casing 1 one side, the inside of casing 1 is provided with motor end 3, the inboard of motor end 3 is provided with axostylus axostyle 2, one side in the axostylus axostyle 2 outside is provided with oil pump end 5, oil pump end 5 is located the inboard of guiding gutter 17, the middle part of apron 9 one side is provided with slide bearing B6, the middle part of guiding gutter 17 inboard one side is provided with slide bearing A4, slide bearing B6 and slide bearing A4 all overlap the outside of locating axostylus axostyle 2, slide bearing B6 and slide bearing A4 are located the both sides of oil pump end 5 respectively, the stability of the both sides of balanced oil pump end 5 is provided with oil drain port 7 and oil inlet 8 respectively in the top and the bottom of apron 9 one side, the top and the bottom of filter 13 are provided with dismouting subassembly.

Further, the dismounting assembly comprises a clamping groove 10, a spring 11, guide grooves 12, a filter plate 13, inserting rods 14, piston sheets 15 and push rods 16, wherein the guide grooves 12 are formed in the top and the bottom of the filter plate 13, the inserting rods 14 are sleeved on the inner sides of the two groups of guide grooves 12, the clamping groove 10 matched with the inserting rods 14 is formed in the middle of the top and the bottom of the inner side of an oil inlet 8, the springs 11 are arranged on the top and the bottom, close to the two groups of inserting rods 14, of the clamping groove 10, the push rods 16 are sleeved on the inner side of the clamping groove 10, pull ropes are arranged on the top and the bottom of one side of the filter plate 13 together, and the filter plate 13 can be pulled by the pull ropes to be taken out from the oil inlet 8;

when the filtering plate 13 is cleaned by filtering impurities, the fixing of the filtering plate 13 can be quickly removed until two groups of push rods 16 are needed to be pressed.

Further, piston sheets 15 matched with the clamping grooves 10 are arranged on the two groups of push rods 16 near the top and the bottom of the inserted rod 14;

when oil enters the oil inlet 8, the inner side of the clamping groove 10 can be sealed through the piston 15 to prevent oil leakage, and when the push rod 16 is pressed, the insert rod 14 can be pushed through the piston 15.

Further, the shape of the plunger 14 is wedge-shaped;

When the filter plate 13 is inserted into the oil inlet 8, the inserting rod 14 can be automatically fixed in the clamping groove 10 under the elastic force of the spring 11.

Working principle: according to the device, a complete sliding bearing is divided into two halves, namely a sliding bearing A4 and a sliding bearing B6, and the sliding bearings A4 and B6 are arranged on two sides of an oil pump end 5, so that the stability of one end of the oil pump end 5 can be enhanced, after the device is electrified, when a control shaft lever 2 rotates, the oil pump end 5 can be driven to rotate, at the moment, the oil pump end 5 can drive oil to enter a guide groove 17 from an oil inlet 8 and then be discharged outwards from an oil discharge port 7, and the oil can fully enter the inner sides of two groups of sliding bearings B6 in the guide groove 17 to lubricate, and therefore friction force generated when the shaft lever 2 rotates is reduced, and the shaft lever 2 rotates more stably;

When fluid gets into in the oil inlet 8, accessible filter 13 filters the impurity in the fluid, can promote fluid cleanliness factor, when the needs are to filter impurity clearance to filter 13, operating personnel accessible presses two sets of push rods 16, can drive piston piece 15 and remove for two sets of piston pieces 15 can promote inserted bar 14 and overcome spring 11's elasticity and pull out in the draw-in groove 10, operating personnel can take out its filter impurity of clearance through the stay cord with filter 13 this moment, after the clearance to filter 13, can put into oil inlet 8 again with filter 13, in the automatic card income draw-in groove 10 of spring 11's elasticity available at this moment, accomplish the fixation to filter 13, the operation is very convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides an electronic oil pump of combination slide bearing structure, includes casing (1) and filter (13), its characterized in that: the utility model discloses a motor oil pump, including casing (1), guiding gutter (17) have been seted up to casing (1) one side edge, guiding gutter (17) have been seted up at the middle part of casing (1) one side, the inside of casing (1) is provided with motor end (3), the inboard of motor end (3) is provided with axostylus axostyle (2), one side in the axostylus axostyle (2) outside is provided with oil pump end (5), oil pump end (5) are located the inboard of guiding gutter (17), the middle part of apron (9) one side is provided with slide bearing B (6), the middle part of guiding gutter (17) inboard one side is provided with slide bearing A (4), the top and the bottom of apron (9) one side are provided with oil drain (7) and oil inlet (8) respectively, the top and the bottom of filter (13) are provided with dismouting subassembly.

2. The electronic oil pump of a combined sliding bearing structure according to claim 1, characterized in that: the disassembly and assembly comprises a clamping groove (10), a spring (11), guide grooves (12), a filter plate (13), inserting rods (14), piston sheets (15) and push rods (16), wherein the guide grooves (12) are formed in the top and the bottom of the filter plate (13), the inserting rods (14) are sleeved on the inner sides of the guide grooves (12), clamping grooves (10) matched with the inserting rods (14) are formed in the middle of the inner top and the bottom of an oil inlet (8), the springs (11) are arranged on the top and the bottom, close to the inserting rods (14), of the two groups, and the push rods (16) are sleeved on the inner sides of the clamping grooves (10).

3. An electronic oil pump of a modular slide bearing structure according to claim 2, characterized in that: the two groups of push rods (16) are provided with piston sheets (15) matched with the clamping grooves (10) near the top and the bottom of the inserted rod (14).

4. The electronic oil pump of a combined sliding bearing structure according to claim 1, characterized in that: the sliding bearing B (6) and the sliding bearing A (4) are sleeved on the outer side of the shaft rod (2), and the sliding bearing B (6) and the sliding bearing A (4) are respectively positioned on two sides of the oil pump end (5).

5. An electronic oil pump of a modular slide bearing structure according to claim 2, characterized in that: the shape of the inserted link (14) is wedge-shaped.

6. The electronic oil pump of a combined sliding bearing structure according to claim 1, characterized in that: the top and the bottom of one side of the filter plate (13) are provided with pull ropes together.