CN211549999U

CN211549999U - Electronic water pump

Info

Publication number: CN211549999U
Application number: CN201921634865.8U
Authority: CN
Inventors: 王俊杰; 周小伟
Original assignee: Dunan Automotive Thermal Management Technology Co Ltd
Current assignee: Dunan Automotive Thermal Management Technology Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-09-22
Anticipated expiration: 2029-09-27

Abstract

The utility model provides an electronic water pump, include: pump head, separation sleeve and pump case, the pump head is equipped with the delivery port, and the separation sleeve rigid coupling is in one side of pump head, and one in separation sleeve and the pump case is equipped with the protruding muscle of first annular, and another is equipped with first annular groove, and the protruding muscle of first annular welds in first annular groove. Because first annular protruding muscle and first annular groove are the loop configuration, first annular protruding muscle can carry out the rotation of arbitrary angle in 360 for first annular groove before the welding, consequently, the delivery port position can carry out the rotation of arbitrary angle for the pump case before the welding to can satisfy different customers' different demands. And, be welded connection between separation sleeve and the pump case, sealed more reliable, the problem that O shape sealing washer is ageing and the sealed inefficacy that leads to can improve electronic pump's life greatly can not appear.

Description

Electronic water pump

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to an electronic water pump.

Background

The electronic water pump is widely applied to the automobile heat dissipation circulating system, and the working principle is as follows: the circular motion of the motor forms vacuum at the water pumping hole, so that pressure difference is formed between the circular motion and the outside atmospheric pressure, water is pressed into the water inlet under the action of the pressure difference and then is discharged from the water outlet, and water is continuously sucked and discharged under the action of kinetic energy transmitted by the motor to form stable flow.

As shown in fig. 1 and 2, an electronic water pump generally includes: pump head 100, spacer sleeve 200, pump housing 300, rotor assembly 400, and stator assembly 500. The pump head 100 is provided with a water inlet 102 'and a water outlet 101'. The pump case 300 is a tubular structure with two open ends, the pump head 100 is arranged at one end of the pump case 300, the isolation sleeve is arranged between the pump head and the pump case, the isolation sleeve 200 divides a cavity in the pump case 300 into two chambers, and the two chambers respectively accommodate the rotor assembly 400 and the stator assembly 500. O-shaped sealing rings 600 are arranged between the pump head 100 and the isolation sleeve 200 and between the isolation sleeve 200 and the pump shell 300, and the pump head, the isolation sleeve and the pump shell are connected through screws 700 to realize the sealing connection of the pump head, the isolation sleeve and the pump shell. Six screw holes are uniformly distributed on the pump head 100, the isolation sleeve 200 and the pump shell 300, before assembly, the pump head 100 is rotated according to the requirement of the installation position of the water outlet, and the water outlet 101' is rotated to a proper position and then connected with the pump head 100, the isolation sleeve 200 and the pump shell 300 through screws 700. However, the pump head 100 can only rotate with respect to the pump housing 300 by 60 ° as one gear, and accordingly, the position of the water outlet 101 ' can only rotate with 60 ° as one gear, and along with diversification of market models, different customers basically have different positions of the water outlet 101 ' of the electronic water pump, and the position of the water outlet 101 ' of the existing electronic water pump can only rotate with 60 ° as one gear, which is difficult to meet the requirements of different customers.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an improved electronic water pump, in which the water outlet can rotate at any angle relative to the pump casing before assembly, so as to meet the needs of different customers.

The utility model provides an electronic water pump, include: pump head, barrier sleeve and pump case, the pump head is equipped with the delivery port, the barrier sleeve rigid coupling in one side of pump head, the barrier sleeve with one in the pump case is equipped with the protruding muscle of first annular, and another is equipped with first annular groove, the protruding muscle of first annular weld in first annular groove.

In an embodiment of the present invention, one of the pump head and the isolation sleeve is provided with a second annular rib, and the other is provided with a second annular groove, and the second annular rib is welded in the second annular groove.

In an embodiment of the present invention, the first annular groove is disposed on the pump case, and the first annular rib is disposed on the isolation sleeve; the second annular groove is arranged on the isolation sleeve, and the second annular convex rib is arranged on the pump head.

In an embodiment of the present invention, the projection of the first annular rib on the horizontal plane is located outside the projection of the second annular rib on the horizontal plane.

In an embodiment of the utility model, be equipped with the spacing groove on the pump head, be equipped with the stopper on the separation sleeve, the stopper inserts in the spacing groove with the restriction the separation sleeve is relative the rotation of pump head.

In an embodiment of the present invention, the limiting groove is disposed on the outer wall of the water outlet, and the top and the side of the limiting groove have openings.

In an embodiment of the present invention, the isolation sleeve and the limiting block are integrated into a whole.

The utility model also provides an electronic water pump, including pump head and pump case, the pump head is equipped with the delivery port, the pump head with one in the pump case is equipped with the protruding muscle of first annular, and another is equipped with first annular groove, the protruding muscle of an annular weld in first annular groove.

The utility model provides an electronic water pump because first annular protruding muscle and first annular groove are loop configuration, first annular protruding muscle can carry out the rotation of arbitrary angle in 360 for first annular groove before the welding, consequently, the delivery port position can carry out the rotation of arbitrary angle for the pump case before the welding to can satisfy different customers' different demands. And, be welded connection between separation sleeve and the pump case, sealed more reliable, the problem that O shape sealing washer is ageing and the sealed inefficacy that leads to can improve electronic pump's life greatly can not appear.

Drawings

Fig. 1 is a perspective view of a conventional electronic water pump;

fig. 2 is a sectional view of a conventional electronic water pump;

fig. 3 is a cross-sectional view of an electronic water pump according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic structural diagram of a pump head of an electronic water pump according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an isolation sleeve of an electronic water pump according to an embodiment of the present invention.

Description of the main elements

1	Pump head
		10	Limiting groove
101	Water outlet
		102	Water inlet
12	Second annular convex rib
		2	Isolation sleeve
20	Limiting block
		21	First annular convex rib
22	Second annular groove
		3	Pump casing
31	A first annular groove

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 3-6, the present invention provides an electronic water pump, comprising: pump head 1, spacer sleeve 2 and pump case 3, pump head 1 are equipped with delivery port 101, and spacer sleeve 2 rigid coupling is in one side of pump head 1, and one in spacer sleeve 2 and the pump case 3 is equipped with first annular protruding muscle 21, and another is equipped with first annular groove 31, and first annular protruding muscle 21 welds in first annular groove 31.

When the electronic water pump is assembled, the isolation sleeve 2 and the pump head 1 are fixedly connected together, then the water outlet 101 on the pump head 1 rotates to a proper position relative to the pump shell 3 according to the requirements of customers, and then the isolation sleeve 2 and the pump shell 3 are welded together. Because first annular protruding muscle 21 and first annular groove 31 are the loop configuration, first annular protruding muscle 21 can carry out the rotation of arbitrary angle in 360 for first annular groove 31 before the welding, consequently, delivery port 101 position can carry out the rotation of arbitrary angle for pump case 3 before the welding to can satisfy different customers' different demands. And, be welded connection between separation sleeve 2 and the pump case 3, sealed more reliable, the problem of the sealing inefficacy that can not appear ageing and lead to of O shape sealing washer can improve electronic pump's life greatly.

The pump head 1 is further provided with a water inlet 102, and when the electronic water pump works, water enters the electronic water pump from the water inlet 102 and is discharged from the water outlet 101.

Further, one of the pump head 1 and the separation sleeve 2 is provided with a second annular rib 12, the other one is provided with a second annular groove 22, and the second annular rib 12 is welded in the second annular groove 22. The pump head 1 and the isolation sleeve 2 are connected by welding, sealing is reliable, leakage risk is avoided, and the service life of the electronic water pump can be greatly prolonged. When assembling, the second annular rib 12 is welded into the second annular groove 22, so that the pump head 1 and the separation sleeve 2 are welded together. Then, according to the position requirement of the customer for the water outlet 101, the pump head 1 and the separation sleeve 2 are rotated together to a proper position relative to the pump shell 3, and finally the first annular rib 21 is welded in the first annular groove 31, so that the separation sleeve 2 and the pump shell 3 are welded together.

The welding between the first annular convex rib 21 and the first annular groove 31 and the welding between the second annular convex rib 12 and the second annular groove 22 are preferably ultrasonic welding, and the ultrasonic welding has the advantages of high welding speed, high welding strength, good welding tightness and the like.

In one embodiment, as shown in fig. 4, the first annular groove 31 is disposed on the pump housing 3, and the first annular rib 21 is disposed on the isolation sleeve 2; the second annular groove 22 is arranged on the isolation sleeve 2, and the second annular convex rib 12 is arranged on the pump head 1. However, without limitation, in another embodiment, the first annular groove is disposed on the isolation sleeve, and the first annular rib is disposed on the pump housing; the second annular groove is arranged on the isolation sleeve, and the second annular convex rib is arranged on the pump head. In another embodiment, the first annular groove is arranged on the pump shell, and the first annular convex rib is arranged on the isolation sleeve; the second annular groove is arranged on the pump head, and the second annular convex rib is arranged on the isolation sleeve. In another embodiment, the first annular groove is arranged on the isolation sleeve, and the first annular convex rib is arranged on the pump shell; the second annular groove is arranged on the pump head, and the second annular convex rib is arranged on the isolation sleeve.

Further, the projection of the first annular bead 21 on the horizontal plane is located outside the projection of the second annular bead 12 on the horizontal plane. So set up, can guarantee the normal welding between first annular convex rib 21 and first annular groove 31, second annular convex rib 12 and the second annular groove 22, avoid appearing the condition of puncturing insulation cover 2.

Furthermore, a limiting groove 10 is formed in the pump head 1, a limiting block 20 is arranged on the isolation sleeve 2, and the limiting block 20 is inserted into the limiting groove 10 to limit the rotation of the isolation sleeve 2 relative to the pump head 1. The limiting groove 10 limits the limiting block 20, so that dislocation among the flow channel in the isolation sleeve 2, the water outlet 101 and the water inlet 102 can be avoided, and normal installation between the isolation sleeve 2 and the pump head 1 is ensured.

Further, the limiting groove 10 is disposed on the outer wall of the water outlet 101, and the top and the side of the limiting groove 10 have openings. During the assembly, can directly align the stopper 20 and pack into the spacing groove 10, perhaps, place spacer sleeve 2 in pump head 1 one side earlier, in making stopper 20 slide in spacing groove 10 from the opening of spacing groove 10 lateral part for pump head 1 rotation spacer sleeve 2 again, two kinds of modes assembly are all very convenient.

The isolation sleeve 2 and the limiting block 20 are of an integrated structure, and are stable in structure and high in strength.

The utility model also provides an electronic water pump, including pump head, separation sleeve and pump case, the pump head is equipped with the delivery port, and is different with above-mentioned embodiment, in this embodiment, pump head and pump case can the lug weld be in the same place. Specifically, one of the pump head and the pump shell is provided with a first annular convex rib, the other one is provided with a first annular groove, and the first annular convex rib is welded in the first annular groove. The separation sleeve can weld in the pump head inboard, also can weld in the pump case inboardly, avoids influencing the direct welding between pump head and the pump case, the utility model discloses do not do the injecing to this. Similarly, before the electronic water pump of this embodiment is welded, the pump head may be rotated first, so that the water outlet is rotated to a suitable position, and then the first annular rib is welded in the first annular groove, so that the pump head and the pump casing are welded together.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims

1. An electronic water pump, comprising: pump head, barrier sleeve and pump case, the pump head is equipped with the delivery port, the barrier sleeve rigid coupling in one side of pump head, the barrier sleeve with one in the pump case is equipped with the protruding muscle of first annular, and another is equipped with first annular groove, the protruding muscle of first annular weld in first annular groove.

2. The electronic water pump of claim 1, wherein one of the pump head and the spacer sleeve is provided with a second annular rib and the other is provided with a second annular groove, the second annular rib being welded into the second annular groove.

3. The electronic water pump according to claim 2, wherein the first annular groove is formed in the pump housing, and the first annular rib is formed on the spacer sleeve; the second annular groove is arranged on the isolation sleeve, and the second annular convex rib is arranged on the pump head.

4. The electronic water pump of claim 2, wherein a projection of the first annular bead on a horizontal plane is located outside a projection of the second annular bead on a horizontal plane.

5. The electronic water pump of claim 1, wherein the pump head has a limiting groove, the spacer sleeve has a limiting block, and the limiting block is inserted into the limiting groove to limit the rotation of the spacer sleeve relative to the pump head.

6. The electronic water pump of claim 5, wherein the limiting groove is formed in the outer wall of the water outlet, and openings are formed in the top and the side of the limiting groove.

7. The electronic water pump of claim 5, wherein the spacer sleeve and the stop block are of an integral structure.

8. The utility model provides an electronic water pump, its characterized in that, includes pump head and pump case, the pump head is equipped with the delivery port, the pump head with one in the pump case is equipped with the protruding muscle of first annular, and another is equipped with first annular groove, the protruding muscle of first annular weld in the first annular groove.