CN213270260U

CN213270260U - Improved vane pump

Info

Publication number: CN213270260U
Application number: CN202021818786.5U
Authority: CN
Inventors: 应锦明
Original assignee: Zhejiang Jianfeng Machine Co ltd
Current assignee: Zhejiang Jianfeng Machine Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-05-25
Anticipated expiration: 2030-08-26

Abstract

The utility model provides an improved generation impeller pump, which comprises a pump body, be equipped with rotor and stator in the pump body, its characterized in that, jaggedly is seted up to one side of stator, detachable installs the replacement piece in the breach, the inner wall of replacement piece with the inner wall of stator constitutes cylindrical space jointly, the rotor is installed at cylindrical space and is close to for the stator eccentrically the replacement piece, the radial a plurality of grooves that are equipped with of rotor, every but the inslot is equipped with radially outwards court the blade that the inner wall of stator removed, the blade be close to the tank bottom one end pass through the elastic component with the tank bottom is connected. This improved generation impeller pump substitution stator structure and cooling structure have effectively prolonged impeller pump's whole life.

Description

Improved vane pump

Technical Field

The utility model belongs to the field of machinery, in particular to improved generation impeller pump.

Background

Vane pumps generally include a stator, a rotor, and a plurality of vanes movably retained on the rotor. The rotor is eccentrically mounted with respect to the stator in a cavity formed by the stator and is rotatable in the cavity. During rotation of the rotor, the vanes are radially moved toward the stator by centrifugal force to form a fuel receiving space between the rotor, the stator and the adjacent vanes, and fuel entering the fuel receiving space from the inlet of the vane pump is discharged to the outlet as the rotor rotates and as the fuel receiving space decreases.

Such as a vane pump disclosed in chinese patent application No. CN 201710022448.7; publication No. CN108302036A ] a vane pump, comprising: a first housing portion; a second housing portion; a third housing portion disposed between the first and third housing portions; a rotor mounted on a rotating shaft extending through the third housing portion into the cylindrical chamber, gaps being formed between a circumferential outer surface of the rotor and a circumferential inner surface of the cylindrical interior space, the gaps being in communication with the inlet and the outlet, respectively; and a plurality of blades provided on the rotor so as to be spaced apart from each other in a circumferential direction; the vane pump further comprises an actuating means for moving the second housing part relative to the rotor, and a resilient means for resetting the second housing part such that the second housing part can be dynamically moved relative to the rotor to vary the eccentricity of the second housing part relative to the rotor.

In the vane pump, the spring is arranged between the rotor and the vanes and always tends to push the vanes to the rotor along the radial direction, and the vanes on the rotor and the inner wall of the stator generate continuous friction in the use process, particularly on the side of the rotor close to the side wall of the stator, because the inner wall of the stator is simultaneously acted by the centripetal force of the vanes and the elastic force of the spring, the friction is more serious, so that the local acceleration part on the inner wall of the stator is damaged, and the whole service life of the vane pump is seriously influenced.

Disclosure of Invention

In view of this, the utility model aims at providing an improved generation impeller pump, the whole low problem of life of prior art impeller pump is solved to the purpose.

The technical scheme of the utility model is that: the utility model provides an improved generation impeller pump, includes the pump body, be equipped with rotor and stator in the pump body, its characterized in that, a breach is seted up to one side of stator, detachable installs the replacement piece in the breach, the inner wall of replacement piece with the inner wall of stator constitutes cylindrical space jointly, the rotor is installed at cylindrical space and is close to for the stator off-centre the replacement piece, the radial a plurality of grooves that are equipped with of rotor, every but the inslot is equipped with radially outwards court the blade that the inner wall of stator removed, the one end that the blade is close to the tank bottom pass through the elastic component with the tank bottom is connected.

In the improved vane pump, the notch of the stator is provided with a step surface, and the replacement block is provided with a limit platform matched with the step surface.

In the improved vane pump, at least one position between the replacement block and the side wall of the gap of the stator is provided with a sealing ring, and the replacement block is fixedly connected to the pump body through a bolt.

In the improved vane pump, the number of the sealing rings is two, one sealing ring is arranged close to the step surface, and the other sealing ring is arranged close to the rotor.

In foretell improved generation impeller pump, cooling channel has still been seted up in the stator, cooling channel's delivery port is located the upper end of the pump body and is connected with the outlet pipe through going out the water solenoid valve, cooling channel's water inlet is located the lower extreme of the pump body and is connected with the inlet tube through the solenoid valve that intakes.

In the above-described improved vane pump, the elastic member is a spring.

Compared with the prior art, the improved vane pump has the following advantages: the stator is provided with the replacement block, so that the stator and the rotor can be replaced when the inner wall at the position of the replacement block is seriously abraded due to long-time friction, the problem that the pumping effect of the vane pump is poor due to advanced abrasion of the stator close to the local position of the rotor in the conventional vane pump is solved, and the overall service life of the vane pump is prolonged; through setting up cooling channel, can pour into the coolant liquid into in cooling channel, cool down the stator, prolong vane pump stator's life.

Drawings

FIG. 1 is a schematic structural diagram of a multi-angle chamfering machine for a valve plate of an air conditioner compressor in the embodiment.

In the figure, 1, a pump body; 2. a rotor; 3. a stator; 4. a replacement block; 5. an oil inlet; 6. An oil outlet; 7. an oil inlet pipe; 8. an oil outlet pipe; 9. a groove; 10. a blade; 11. a spring; 12. a bolt; 13. a step surface; 14. a limiting table; 15. a seal ring; 16. a cooling channel; 17. a water outlet; 18. a water outlet electromagnetic valve; 19. a water outlet pipe; 20. a water inlet; 21. a water inlet electromagnetic valve; 22. and (4) a water inlet pipe.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, this improved generation impeller pump includes the pump body 1, be equipped with rotor 2 and stator 3 in the pump body 1, the breach is seted up to one side of stator 3, detachable installs replacement piece 4 in the breach, the inner wall of replacement piece 4 and the inner wall of stator 3 constitute cylindrical space jointly, rotor 2 installs at cylindrical space and is close to replacement piece 4 for stator 3 off-centre, rotor 2 is hugged closely cylindrical space's circumference internal surface and the clearance forms crescent space at local, crescent space upper portion is provided with oil inlet 5, crescent lower part is provided with oil-out 6, oil inlet 5 is outside oil pipe 7 intercommunication cylindrical space and the pump, oil-out 6 is through outside oil pipe 8 intercommunication cylindrical space and the pump.

The rotor 2 is provided with a plurality of slots 9 in the radial direction, each slot 9 is provided with a vane 10 which can move radially outwards towards the inner wall of the stator 3, and one end of the vane 10 close to the bottom of the slot 9 is connected with the bottom of the slot 9 through a spring 11. The length of the spring 11 can be set according to the depth of the slot 9, and preferably, the length of the spring 11 is not too long, so that the blade 10 can just contact with the inner wall of the stator 3 to displace when in an outward extending state, and thus the spring 11 can not apply excessive acting force to the blade 10 when the blade 10 is in a inward contracting state, thereby reducing the pressure of the blade 10 on the inner wall of the replacement block 4, helping to reduce the heating and friction loss of the replacement block 4, and prolonging the service life of the replacement block 4.

The displacement block 4 is fastened to the pump body 1 by means of bolts 12. 3 breach departments of stator are equipped with step face 13, are equipped with on the replacement piece 4 with step face 13 complex spacing platform 14, can inject the position of replacement piece 4 like this, increase its stability that links firmly with stator 3 to guarantee the leakproofness and the precision of the pump body 1. Two sealing rings 15 are arranged between the replacement block 4 and the side wall of the gap of the stator 3, one sealing ring 15 is arranged at the position close to the step surface 13, and the other sealing ring 15 is arranged at the position close to the rotor 2. Through two sealing rings 15, can guarantee that the leakproofness of blade 10 pump can not be worsened because of adopting replacement piece 4, guaranteed the normal operating of blade 10 pump.

A cooling channel 16 is further formed in the stator 3, a water outlet 17 of the cooling channel 16 is located at the upper end of the pump body 1 and is connected with a water outlet pipe 19 through a water outlet electromagnetic valve 18, and a water inlet 20 of the cooling channel 16 is located at the lower end of the pump body 1 and is connected with a water inlet pipe 22 through a water inlet electromagnetic valve 21. The water inlet electromagnetic valve 21 and the water outlet electromagnetic valve 18 are both arranged in the pump body 1.

When the improved vane pump is used specifically, the water inlet electromagnetic valve 21 and the water outlet electromagnetic valve 18 are opened firstly, waste liquid in the cooling channel 16 is changed into new cooling liquid, then the vane 10 pump is started, the temperature of the stator 3 rises along with the friction between the vanes 10 and the inner wall of the stator 3, and the cooling liquid cools the stator 3 at the moment; the cooling liquid is supplied in a circulating manner, so that the stator 3 can be effectively cooled at any time. After the vane 10 pump is used for a long time, the bolt 12 of the replacement block 4 is detached, the abrasion degree of the inner wall of the replacement block 4 can be observed, if the abrasion degree is serious and the working of the vane 10 pump is influenced, the old replacement block 4 is removed, the new replacement block 4 is adopted for replacement, the new replacement block 4 is installed on the pump body 1 again, and the vane 10 pump can work normally; therefore, the problem of short service life of the whole pump with the vanes 10 caused by local abrasion of the stator 3 can be effectively avoided.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides an improved generation vane pump, includes the pump body (1), be equipped with rotor (2) and stator (3) in the pump body (1), its characterized in that, one side of stator (3) is seted up jaggedly, detachable installs replacement piece (4) in the breach, the inner wall of replacement piece (4) with the inner wall of stator (3) constitutes cylindrical space jointly, rotor (2) install at cylindrical space and be close to for stator (3) off-centre replacement piece (4), rotor (2) radial be equipped with a plurality of grooves (9), every be equipped with in groove (9) and radially outwards move towards blade (10) of the inner wall removal of stator (3), blade (10) be close to the one end at the bottom of groove (9) pass through the elastic component with connect at the bottom of groove (9).

2. An improved vane pump as claimed in claim 1, characterized in that the stator (3) is provided with a step surface (13) at the gap, and the replacement block (4) is provided with a limit stop (14) matched with the step surface (13).

3. An improved vane pump according to claim 2, characterized in that at least one of the side walls of the gap of the stator (3) and the displacement block (4) is provided with a sealing ring (15), and the displacement block (4) is fixed to the pump body (1) by means of bolts (12).

4. An improved vane pump as set forth in claim 3, characterized in that said sealing rings (15) are two in number, one sealing ring (15) being disposed adjacent to said step surface (13) and one sealing ring (15) being disposed adjacent to the rotor (2).

5. The improved vane pump as claimed in claim 1, 2, 3 or 4, wherein the stator (3) is further provided with a cooling channel (16), a water outlet (17) of the cooling channel (16) is located at the upper end of the pump body (1) and is connected with a water outlet pipe (19) through a water outlet electromagnetic valve (18), and a water inlet (20) of the cooling channel (16) is located at the lower end of the pump body (1) and is connected with a water inlet pipe (22) through a water inlet electromagnetic valve (21).

6. An improved vane pump as claimed in claim 1 or 2 or 3 or 4, characterized in that said elastic member is a spring (11).