CN211623582U

CN211623582U - Oil pump convenient to maintenance

Info

Publication number: CN211623582U
Application number: CN201922464956.8U
Authority: CN
Inventors: 刘子良
Original assignee: Tianjin Tianqian Pump Co ltd
Current assignee: Tianjin Tianqian Pump Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an oil pump convenient to maintenance, including casing, motor rotor, motor stator and preceding top cap, the oil-out has been seted up at casing one side top center, casing one side top is located oil-out one side and is provided with the pressure relief valve, casing opposite side top is connected with preceding top cap, oil inlet has been seted up to preceding top cap top one side, the oil inlet has the filter through the pipe connection, fixedly connected with motor stator on the inside central inner wall of casing, the screw thread has been seted up at the inboard top of preceding top cap, the casing inside center is fixed with motor rotor through the support, motor rotor one side top has fixed bolster through axis of rotation swing joint; the device is when using, through being provided with the filter screen in that the casing is inside, can effectually block inside the organism that harmful impurity got into, avoided causing the injury to the organism to dismantle simply, the leakproofness is strong, is convenient for clear up and maintain, has improved life and practical value.

Description

Oil pump convenient to maintenance

Technical Field

The utility model relates to a relevant oil pump technical field specifically is an oil pump convenient to maintenance.

Background

Fuel pumps are a term of art in the automotive industry. The fuel injection system is one of basic components of a fuel injection system of an electronic fuel injection automobile, is positioned in a fuel tank of the automobile, a fuel pump works during starting and running of an engine, and if the engine stops and an ignition switch is still in an ON state, a HFM-SFI control module turns off the power supply of the fuel pump so as to avoid accidental ignition. The fuel pump is used for sucking fuel from the fuel tank, pressurizing the fuel and then delivering the fuel to the fuel supply pipe, and the fuel pump is matched with the fuel pressure regulator to establish certain fuel pressure.

However, some current fuel pumps utilize the filter screen to filter, can filter more impurity after long-time the use and pile up in filter screen department, make the filter screen take place to block up, need dismantle and clear up, because of the fuel pump inner structure is complicated, lead to the staff to clear up inconveniently, inside if there is the part damage unable maintenance moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil pump convenient to maintenance to solve the problem of mentioning in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil pump convenient to maintenance, includes casing, motor rotor, motor stator and preceding top cap, the oil-out has been seted up at casing one side top center, casing one side top is being located oil-out one side and is being provided with the pressure relief valve, casing opposite side top is connected with preceding top cap, the oil inlet has been seted up to preceding top cap top one side, the oil inlet has the filter through pipe connection, fixedly connected with motor stator on the inside central inner wall of casing, the inboard top of preceding top cap is seted up threadedly, the inside center of casing is fixed with motor rotor through the support, there is the fixed bolster on one side top of motor rotor through axis of rotation swing joint, the screw thread has been seted up to.

Further, the movable joint in motor rotor opposite side top has the filter screen, motor rotor is lieing in thread rear side swing joint has the fan blade on the fixed axle, cylindrical groove has been seted up at motor rotor top center, cylindrical inslot portion sliding connection has the axle of pressing, it is provided with the small-size spring to press the axle bottom, the small-size spring other end is fixed in cylindrical recess bottom.

Further, the inside bearing that inlays of fixed bolster, the inboard center of bearing cup joint with in electric motor rotor's the axis of rotation, the round hole has evenly been seted up on the fixed bolster surface, half and casing threaded connection in fixed bolster side, half and preceding top cap threaded connection in fixed bolster side, the casing is provided with sealing rubber pad with preceding top cap contact position.

Further, the rectangle breach has been seted up to fan blade bottom downside, rectangle breach downside activity joint has the triangle movable block, rotation axis swing joint is passed through in triangle movable block bottom and is pressed the axle surface, press the axle and seted up the rectangular channel lieing in triangle movable block downside, triangle movable block top rear side fixedly connected with miniature spring.

Furthermore, the number of the fan blades is three, and the three fan blades uniformly surround the rotating shaft of the motor rotor.

Furthermore, a one-way oil outlet valve is arranged at the bottom end inside the oil outlet and fixedly connected to the inner wall of the shell.

The utility model provides an oil pump convenient to maintenance possesses following beneficial effect: the device is when using, through being divided into two with whole device, is provided with casing and preceding top cap, and the casing all passes through screw thread and fixed bolster threaded connection with preceding top cap, and be provided with joint strip in the junction, when protecting the leakproofness, has improved the convenience of maintenance, and through setting the fan blade to be through pressing down detachable structure promptly, has facilitated the device's dismantlement and equipment more, through being provided with the filter screen at the casing is inside, can effectually block inside the organism that harmful impurity got into, has avoided causing the injury to the organism, the utility model discloses dismantle simply, the leakproofness is strong, is convenient for clear up and the maintenance, has improved the device's life and value.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fixing bracket of the present invention;

fig. 3 is a schematic view of a front view structure of a fan blade of the present invention;

fig. 4 is a schematic view of the fan blade connection structure of the present invention.

In the figure: 1. a housing; 2. a filter; 3. a fan blade; 4. fixing a bracket; 5. a motor rotor; 6. a motor stator; 7. a pressure relief valve; 8. a one-way oil outlet valve; 9. an oil outlet; 10. a thread; 11. a front top cover; 12. A bearing; 13. a circular hole; 14. a triangular movable block; 15. a micro-spring; 16. a rotating shaft; 17. pressing the shaft; 18. a small spring; 19. an oil inlet; 20. and (4) a filter screen.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides an oil pump convenient to maintenance, includes casing 1, motor rotor 5, motor stator 6 and preceding top cap 11, oil-out 9 has been seted up at 1 one side top center of casing, 1 one side top of casing is being located oil-out 9 one side and is being provided with

pressure relief valve

7, 1 opposite side top of casing is connected with preceding top cap 11, oil inlet 19 has been seted up to preceding top cap 11 top one side, oil inlet 19 has filter 2 through the pipe connection, fixedly connected with motor stator 6 on the 1 inside central inner wall of casing, screw thread has been seted up at the 11 inboard tops of preceding top cap, 1 inside center of casing is fixed with motor rotor 5 through the support, there is fixed bolster 4 on one side top of motor rotor 5 through axis of rotation swing joint, screw thread 10 has been seted up on 4 side.

A filter screen 20 is movably clamped at the top end of the other side of the motor rotor 5, the motor rotor 5 is movably connected with a fan blade 3 on a fixed shaft at the rear side of the thread 10, a cylindrical groove is formed in the center of the top of the motor rotor 5, a pressing shaft 17 is slidably connected inside the cylindrical groove, a small spring 18 is arranged at the bottom of the pressing shaft 17, the other end of the small spring 18 is fixed at the bottom of the cylindrical groove, a bearing 12 is embedded inside the fixed bracket 4, the center of the inner side of the bearing 12 is sleeved on a rotating shaft of the motor rotor 5, round holes 13 are uniformly formed in the surface of the fixed bracket 4, one half of the side surface of the fixed bracket 4 is in threaded connection with the shell 1, the other half of the side surface of the fixed bracket 4 is in threaded connection with the front top cover 11, a sealing rubber gasket is arranged at, rectangle breach downside activity joint has triangle

movable block

14, 16 swing joint of rotation axis are passed through at the pressure axle 17 surface in triangle movable block 14 bottom, press axle 17 and seted up the rectangular channel lieing in triangle movable block 14 downside, 14 top rear side fixedly connected with miniature spring 15 of triangle movable block, fan blade 3 is provided with threely, three 3 evenly encircle of fan blade 3 around motor rotor 5's axis of rotation, the inside bottom of oil-out 9 is provided with one-way oil outlet valve 8, one-way oil outlet valve 8 is fixed and connects on the inner wall of casing 1.

It should be noted that, when the oil pump is in operation, it is first checked whether the pump body is intact, and is connected with a power supply from the outside, the motor rotor 5 forms electromagnetic induction with the motor stator 6 after being electrified, the motor rotor 5 rotates at high speed, simultaneously, the fan blade 3 is driven to rotate, a vacuum cavity is formed in the shell 1, oil enters the shell 1 through the filter 2, the oil is filtered by the filter screen 20, the one-way oil outlet valve 8 is opened to discharge the oil, when the device is used for a period of time, or needs to be repaired, the front cover 11 needs to be screwed and removed, and the pressing shaft 17 is pressed downwards to compress the small-sized spring 18, the triangular movable block 14 rotates downwards through the rotating shaft under the pressing and extrudes the small-sized spring 15, the fan blade 3 can be directly taken down, and then the fixed support 4 can be taken down, the motor rotor 5 can be taken out, and the device can be cleaned and maintained.

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

1. The utility model provides an oil pump convenient to maintenance, includes casing (1), electric motor rotor (5), motor stator (6) and preceding top cap (11), its characterized in that: the oil-out (9) has been seted up at casing (1) one side top center, casing (1) one side top is being located oil-out (9) one side and is being provided with pressure relief valve (7), casing (1) opposite side top is connected with preceding top cap (11), oil inlet (19) have been seted up to preceding top cap (11) top one side, oil inlet (19) have filter (2) through the pipe connection, fixedly connected with motor stator (6) on the inside central inner wall of casing (1), screw thread has been seted up at the inboard top of preceding top cap (11), casing (1) inside center is fixed with motor rotor (5) through the support, motor rotor (5) one side top has fixed bolster (4) through axis of rotation swing joint, screw thread (10) have been seted up on fixed bolster (4) side surface.

2. The easy-to-maintain oil pump of claim 1, wherein: motor rotor (5) opposite side top activity joint has filter screen (20), motor rotor (5) are lieing in thread (10) rear side swing joint has fan blade (3) on the fixed axle, cylindrical groove has been seted up at motor rotor (5) top center, cylindrical inslot sliding connection has pressing axle (17), pressing axle (17) bottom is provided with small-size spring (18), small-size spring (18) other end is fixed in cylindrical recess bottom.

3. The easy-to-maintain oil pump of claim 1, wherein: fixed bolster (4) inside mosaic has bearing (12), bearing (12) inboard center cup joint with in the axis of rotation of electric motor rotor (5), round hole (13) have evenly been seted up on fixed bolster (4) surface, half and casing (1) threaded connection in fixed bolster (4) side, half and preceding top cap (11) threaded connection in fixed bolster (4) side, casing (1) and preceding top cap (11) contact position are provided with sealing rubber pad.

4. The easy-to-maintain oil pump of claim 2, wherein: the fan blade (3) bottom downside has seted up the rectangle breach, rectangle breach downside activity joint has triangle movable block (14), triangle movable block (14) bottom is through rotation axis (16) swing joint on pressing axle (17) surface, press axle (17) and seted up the rectangular channel lieing in triangle movable block (14) downside, triangle movable block (14) top rear side fixedly connected with miniature spring (15).

5. The easy-to-maintain oil pump of claim 2, wherein: the three fan blades (3) are uniformly arranged around the rotating shaft of the motor rotor (5).

6. The easy-to-maintain oil pump of claim 1, wherein: the oil outlet device is characterized in that a one-way oil outlet valve (8) is arranged at the bottom end inside the oil outlet (9), and the one-way oil outlet valve (8) is fixedly connected to the inner wall of the shell (1).