CN112696382B - low profile pump - Google Patents

Abstract

The invention relates to a thin pump, which comprises: a first housing, a partition, a motor, an impeller, and a second housing; the first shell is provided with a flow passage; the separator is provided with a first chamber and a second chamber, and the first chamber is communicated with the flow channel; the motor is provided with a rotor and a stator, the rotor is arranged in the first cavity, and the stator is arranged in the second cavity; the impeller is connected with the rotor and arranged in the first cavity; the second housing is disposed at one side of the second chamber of the partition. Therefore, the flow passage structure of the thin pump can effectively plan the flow path of the fluid without complex structural design, thereby achieving the effects of reducing the volume and thinning.

Description

low profile pump

technical field

The present invention relates to a pump, especially a low profile pump.

Background technique

Commonly known thin pumps, such as water pumps, can mainly control the circulation of fluids such as cooling water to dissipate heat for various products on the market that are prone to high temperatures during operation.

In addition, the known water pump can be applied to various types of units (such as cooling tanks, water tanks, or heat dissipation systems of electronic products, etc.), so it is necessary to consider how to avoid occupying too much space for various types of units during installation; As the trend develops, the cooling system must also be able to achieve a thin design that can reduce the size to facilitate installation. Therefore, the design of the volume reduction and thinning of the known water pumps used in various units is the current water pump must overcome. one of the problems.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a thin pump that can achieve the effect of reducing the volume and reducing the thickness.

In order to achieve the above object, the present invention provides a thin pump. In one embodiment, the thin pump includes: a first housing, a partition, a motor, an impeller and a second housing; the first housing has a flow channel; the partition has a first cavity chamber and a second chamber, the first chamber communicates with the flow channel; the motor has a rotor and a stator, the rotor is arranged in the first chamber, the stator is arranged in the second chamber; the impeller is connected The rotor and the impeller are arranged in the first chamber; the second casing is arranged at one side of the second chamber of the partition.

Therefore, by using the flow channel structure of the thin pump of the present invention, the flow route of the fluid can be effectively planned without complicated structural design, so as to achieve the effect of reducing the volume and thinning.

Description of drawings

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

FIG. 1 shows a three-dimensional external view of a thin pump according to an embodiment of the present invention;

FIG. 2 shows an exploded perspective view of the first housing and the partition of the thin pump according to an embodiment of the present invention;

3 shows an exploded perspective view of the first housing, the partition and the second housing of the thin pump according to an embodiment of the present invention;

4 shows an exploded perspective view of the second housing and the partition of the thin pump according to an embodiment of the present invention;

5 shows an exploded perspective view of a motor, a partition and a second housing of a thin pump according to an embodiment of the present invention;

FIG. 6 shows a partial cross-sectional schematic diagram of a thin pump according to an embodiment of the present invention;

FIG. 7 shows a three-dimensional external view of a thin pump according to another embodiment of the present invention;

8 shows an exploded perspective view of the first housing and the partition of the thin pump according to another embodiment of the present invention;

FIG. 9 shows a partial cross-sectional schematic diagram of a thin pump according to another embodiment of the present invention; and

FIG. 10 shows a schematic cross-sectional view of a thin pump according to another embodiment of the present invention.

Description of reference numbers:

1 low profile pump

10 The first shell

11 runners

12 runner slots

13 Cover

131 The first axle seat

14 first side

141 Notch

15 Second side

151 The first axle seat

16, 17 Side walls

18 slot plate

19 Covering Department

20 dividers

21 First chamber

211 First tank chamber

212 Second tank chamber

213 Second axle seat

22 Second chamber

221 The third tank chamber

222 Fourth chamber

23 First side

24 Second side

25 entrance

26 exports

27 First end face

28 Second end face

31 first channel

32 Second channel

33 blocks

331 Tapered structure

34 First seal

35 Second seal

36 Third seal

40 motors

41 Rotor

412 Bearing

414 Permanent Magnets

415 Guards

42 Stator

421 Winding

422 circuit board

43 Center shaft

44 Gasket

50 Impeller

60 Second shell

Detailed ways

In order to have a clearer understanding of the technical solutions, purposes and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

FIG. 1 shows a three-dimensional external view of a thin pump according to an embodiment of the present invention. FIG. 2 shows an exploded perspective view of the first housing and the partition of the thin pump according to an embodiment of the present invention. FIG. 3 shows an exploded perspective view of the first casing, the partition and the second casing of the thin pump according to an embodiment of the present invention. FIG. 4 shows an exploded perspective view of the second casing and the partition of the thin pump according to an embodiment of the present invention. 5 shows an exploded perspective view of a motor, a separator and a second housing of a thin pump according to an embodiment of the present invention. FIG. 6 is a schematic partial cross-sectional view of a thin pump according to an embodiment of the present invention. Referring to FIG. 1 to FIG. 6 , the thin pump 1 of the present invention includes: a first casing 10 , a partition 20 , a motor 40 , an impeller 50 and a second casing 60 . In one embodiment, the thin pump 1 of the present invention can be set in an environment with a fluid such as cooling liquid, water, lubricating oil, etc., such as a cooling system or a water pumping system, etc., to control the suction and pumping of the fluid. The circulating flow operation of the discharge is not limited to the above, and the thin pump 1 can also be applied to other suitable applications.

In one embodiment, the first housing 10 has a flow channel 11 . The partition 20 has a first chamber 21 and a second chamber 22 , and the first chamber 21 communicates with the flow channel 11 . The partition 20 further includes a first side 23 and a second side 24, the first chamber 21 is disposed on the first side 23, the second chamber 22 is disposed on the second side 24, that is, the The first chamber 21 and the second chamber 22 are respectively disposed on the opposite first side 23 and the second side 24 .

In one embodiment, the motor 40 has a rotor 41 and a stator 42 , the rotor 41 is disposed in the first chamber 21 , and the stator 42 is disposed in the second chamber 22 . The impeller 50 is connected to the rotor 41 and disposed in the first chamber 21 . The second casing 60 is disposed on one side of the second chamber 22 of the partition 20 .

In one embodiment, the partition 20 further includes an inlet 25, an outlet 26, a first end face 27 and a second end face 28, the inlet 25 is disposed on the first end face 27, and the outlet 26 is disposed on the first end face 27. Two end faces 28 . In one embodiment, the partition 20 further includes a first channel 31 , the first channel 31 communicates with the inlet 25 and the flow channel 11 , and the width of the first channel 31 is from the inlet 25 to the flow channel 11 . gradually expand. In one embodiment, the partition 20 further includes a second channel 32 , the second channel 32 communicates with the outlet 26 and the first chamber 21 , and the width of the second channel 32 is from the first chamber 21 to The outlet 26 tapers in direction.

In one embodiment, the partition 20 further includes a block 33 , the block 33 is disposed in the second channel 32 , and the block 33 has a tapered structure 331 . As shown in FIG. 2 , the block 33 shown by the dotted line is the setting direction, so that the first chamber 21 to the outlet 26 is tapered; the block 33 shown by the solid line is used to show the tapered structure 331 .

In one embodiment, the first housing 10 further includes a flow channel groove 12 and a cover plate 13 , and the cover plate 13 is disposed on the flow channel groove 12 to form the flow channel 11 . The first housing 10 further includes a first surface 14 and a second surface 15 , the first surface 14 has a slot 141 , the flow channel slot 12 is disposed at a position opposite to the slot 141 , and is located on the cover The space of the flow channel 11 is formed between the plate 13 and the flow channel groove 12 (please refer to FIG. 6 ).

In one embodiment, the cover plate 13 is used to close the slot 141 . The cover plate 13 is combined with the first casing 10 by laser welding to close the slot 141 to form the flow channel 11 . Using the flow channel 11 , the fluid can smoothly enter the first chamber 21 through the inlet 25 , the first channel 31 and the flow channel 11 . In addition, by using the structure of the flow channel 11 disposed in the first housing 10, the flow path of the fluid can be effectively planned, and the effect of reducing the volume and thickness can be achieved without complicated structural design.

In one embodiment, the motor 40 further includes a central shaft 43 and at least one washer 44 , the rotor 41 has a bearing 412 and a permanent magnet 414 ; the bearing 412 is arranged in the center of the impeller 50 , the central shaft 43 Set in the bearing 412 , the washer 44 is sleeved on the central shaft 43 , so that the central shaft 43 penetrates into the impeller 50 , and the central shaft 43 can be positioned in the impeller 50 by using the washer 44 ; The permanent magnet 414 is arranged on one side of the impeller 50 .

In one embodiment, when the impeller 50 is injection-molded, the impeller 50 can cover the bearing 412 ; or, the bearing 412 can be tightly fitted to the center of the impeller 50 . In one embodiment, the first chamber 21 includes a first groove chamber 211, and the first groove chamber 211 is used for accommodating the impeller 50; the first chamber 21 further includes a second groove chamber 212. The two chambers 212 are used for accommodating the permanent magnet 414 ; the layered design of the first chamber 211 and the second chamber 212 of the first chamber 21 can further reduce the volume to achieve the effect of thinning.

In one embodiment, the cover plate 13 further includes a first axle seat 131, the first axle seat 131 is used to fix the central axis 43, and the second groove chamber 212 further includes a second axle seat 213, the The second shaft seat 213 is used for fixing the central shaft 43, so that the central shaft 43 is fixed on the first shaft seat 131 and the second shaft seat 213, and the bearing 412 and the permanent magnet 414 of the rotor 41 are opposite to each other. The central shaft 43 rotates and drives the impeller 50 to rotate to drive the fluid flow in the first chamber 21 .

In one embodiment, the stator 42 has a winding 421 and a circuit board 422 , and the winding 421 is electrically connected to the circuit board 422 . The second chamber 22 includes a third groove chamber 221 . The third groove chamber 221 is annular and is used to accommodate the winding 421 . The second chamber 22 further includes a fourth groove chamber 222 for accommodating the circuit board 422 . The cylindrical protrusion in the center of the third cavity 221 corresponds to the space in the second cavity 212 of the first cavity 21 for accommodating the permanent magnet 414 . The winding 421 is arranged around the permanent magnet 414 so that the The winding 421 and the permanent magnet 414 can interact, and the volume can be further reduced to achieve the effect of thinning.

In one embodiment, the partition member 20 further includes a first sealing member 34 , and the first sealing member 34 is disposed on the periphery of the first chamber 21 to prevent the fluid in the first chamber 21 from flowing out. The partition member 20 further includes a second sealing member 35 . The second sealing member 35 is disposed on the periphery of the first side surface 23 to prevent the fluid in the first channel 31 and the second channel 32 from flowing out. In one embodiment, the first sealing member 34 and the second sealing member 35 can be integrated into a single sealing member. In one embodiment, the separator 20 further includes a third sealing member 36 , and the third sealing member 36 is disposed on the periphery of the second side surface 24 to protect the winding 421 and the circuit board 422 .

In one embodiment, the first housing 10 further includes a covering portion 19 for covering the first chamber 21 ; the covering portion 19 protrudes from the second surface 15 , and the covering portion 19 The shape of the first chamber 21 matches the shape of the first chamber 21 to cover the first chamber 21 .

FIG. 7 is a perspective external view of a thin pump according to another embodiment of the present invention. 8 shows an exploded perspective view of the first housing and the partition of the thin pump according to another embodiment of the present invention. FIG. 9 shows a partial cross-sectional schematic view of a thin pump according to another embodiment of the present invention. Referring to FIGS. 7 to 9 , in one embodiment, the first housing 10 further includes a side wall 16 , a side wall 17 and a groove plate 18 , the side wall 16 and the side wall 17 are disposed opposite to each other, and the groove plate 18 is disposed The flow channel 11 is formed between the side wall 16 and the side wall 17 . The side wall 16 and the side wall 17 are arranged on the second surface 15 , the groove plate 18 is used to connect the side wall 16 and the side wall 17 , so that the groove plate 18 is protruding relative to the second surface 15 , so it can be used in the second surface 15 . A space for the flow channel 11 is formed between the two surfaces 15 and the groove plate 18 (please refer to FIG. 9 ).

In one embodiment, the channel plate 18 is connected to the side wall 16 and the side wall 17 by laser welding to form the flow channel 11 . Using the flow channel 11 , the fluid can smoothly enter the first chamber 21 through the inlet 25 , the first channel 31 and the flow channel 11 . Furthermore, by using the structure of the flow channel 11 disposed on the second surface 15 of the first housing 10 , the flow path of the fluid can be effectively planned, and the volume reduction and thinning effects can be achieved without complicated structural design. In addition, since the groove plate 18 is disposed on the second surface 15, the first surface 14 of the first casing 10 is a smooth surface without welding structure, which can improve the appearance of the thin pump of the present invention.

In one embodiment, the second surface 15 further includes a first shaft seat 151 , and the first shaft seat 151 is used to fix one end of the central shaft 43 . As mentioned above, the other end of the central shaft 43 is fixed to the central shaft 43 . The second shaft seat 213 of the second groove chamber 212 .

In one embodiment, the first housing 10 and the partition 20 can be made of metal material, so that the first housing 10 and the partition 20 can be combined by laser welding. By using laser welding, the tightness and bonding force between the first casing 10 and the partition 20 can be improved, so that the fluid in the first chamber 21 will not leak out due to poor tightness. In one embodiment, the second housing 60 and the partition 20 can be made of metal material, and the second housing 60 and the partition 20 can be combined by laser welding to lift the second housing 60 and the partition The tightness and bonding force between 20 can further protect the winding 421 and the circuit board 422 . In one embodiment, the first casing 10 , the second casing 60 and the partition member 20 can all be made of metal material, so as to be combined by laser welding.

FIG. 10 shows a schematic cross-sectional view of a thin pump according to another embodiment of the present invention. Referring to FIG. 10 , in one embodiment, the first casing 10 and the second casing 60 can be made of metal material, and the first casing 10 and the second casing 60 are combined by laser welding and covered with The partition member 20 enables the first chamber 21 and the second chamber 22 in the partition member 20 to have a better sealing effect. In one embodiment, the two washers 44 can be tightly fitted to the two ends of the central shaft 43 respectively, and the two washers 44 can be tightly fitted and fixed to the first shaft seat 131 and the second shaft seat 131 of the cover plate 13 respectively. Two axle seats 213 are used to fix the central axle 43 . In one embodiment, the rotor 41 further includes a guard 415 , and the guard 415 covers the permanent magnet 414 . The protective member 415 can be made of metal material, and forms a box body for protecting the permanent magnet 414 and preventing water vapor from entering and eroding the permanent magnet 414 . In one embodiment, a space for the flow channel 11 is formed between the cover plate 13 and the flow channel groove 12 , and the flow channel 11 communicates with the first chamber 21 so that the fluid can flow smoothly through the flow path.

Therefore, by using the structure of the flow channel 11 of the thin pump 1 of the present invention, the flow path of the fluid can be effectively planned without complicated structural design, so as to achieve the effect of reducing the volume and reducing the thickness.

The above-mentioned embodiments are only to illustrate the principle and effect of the present invention, but not to limit the present invention. Modifications and changes made by those skilled in the art to the above embodiments still do not violate the spirit of the present invention, and should all belong to the protection scope of the present invention.

Claims (32)

1. A thin pump, characterized in that the thin pump comprises: a first shell with a flow channel; the first shell further includes a flow channel groove and a cover plate, the cover plate is arranged on the flow channel groove to form the flow channel; a separator, having a first chamber and a second chamber, the first chamber communicates with the flow channel; a motor having a rotor and a stator, the rotor is arranged in the first chamber, and the stator is arranged in the second chamber; an impeller connected to the rotor, and the impeller is disposed in the first chamber; and A second casing is disposed on one side of the second chamber of the partition. 2 . The thin pump as claimed in claim 1 , wherein the partition further comprises an inlet, an outlet, a first end face and a second end face, the inlet is arranged on the first end face, and the outlet is arranged on the first end face. 3 . the second end face. 3 . The thin pump of claim 2 , wherein the partition member further comprises a first channel, the first channel communicates with the inlet and the flow channel, and the width of the first channel is from the inlet to the flow channel. 4 . The direction of the road gradually expands. 4 . The thin pump as claimed in claim 3 , wherein the partition member further comprises a second channel, the second channel communicates with the outlet and the first chamber, and the width of the second channel is determined by the first chamber. 5 . The chamber tapers in the direction of the outlet. 5 . The thin pump of claim 4 , wherein the partition further comprises a block, the block is disposed in the second channel, and the block has a tapered structure. 6 . 6 . The thin pump as claimed in claim 1 , wherein the first casing further comprises a first surface and a second surface, the first surface has a slot, and the flow channel slot is disposed in the slot. 7 . The relative position of the opening, the cover plate is used to close the slot. 7 . The thin pump as claimed in claim 6 , wherein the cover plate is combined with the first casing by laser welding to close the slot. 8 . 8 . The thin pump as claimed in claim 6 , wherein the cover plate further comprises a first shaft seat, and the first shaft seat is used for fixing a central shaft. 9 . 9. A thin pump, characterized in that the thin pump comprises: a first shell with a flow channel; the first shell includes two oppositely arranged side walls and a slot plate, the slot plate is arranged between the two side walls to form the flow channel; a separator, having a first chamber and a second chamber, the first chamber communicates with the flow channel; a motor having a rotor and a stator, the rotor is arranged in the first chamber, and the stator is arranged in the second chamber; an impeller connected to the rotor, and the impeller is disposed in the first chamber; and A second casing is disposed on one side of the second chamber of the partition. 10. The thin pump as claimed in claim 9, wherein the first casing further comprises a first surface and a second surface, the two side walls are disposed on the second surface, and the groove plate is used for connecting the two side walls. 11 . The thin pump of claim 10 , wherein the groove plate is connected to the two side walls by laser welding. 12 . 12 . The thin pump of claim 10 , wherein the second surface further comprises a first shaft seat, and the first shaft seat is used for fixing a central shaft. 13 . 13. The thin pump as claimed in claim 9, wherein the motor further comprises a central shaft and at least one washer, the rotor has a bearing and a permanent magnet, the bearing is arranged at the center of the impeller, the center The shaft is arranged in the bearing, the washer is sleeved on the central shaft, and the permanent magnet is arranged on one side of the impeller. 14 . The thin pump of claim 13 , wherein when the impeller is injection-molded, the impeller covers the bearing. 15 . 15. The thin pump as claimed in claim 13, wherein the bearing is tightly coupled to the center of the impeller. 16 . The low-profile pump of claim 13 , wherein the first chamber comprises a first groove chamber for accommodating the impeller. 17 . 17. The thin pump of claim 13, wherein the first chamber further comprises a second groove chamber for accommodating the permanent magnet. 18 . The thin pump of claim 17 , wherein the second groove chamber further comprises a second shaft seat for fixing the central shaft. 19 . 19 . The thin pump as claimed in claim 13 , wherein the motor comprises two gaskets, and the two gaskets are respectively tightly fitted to two ends of the central shaft. 20 . 20 . The thin pump as claimed in claim 19 , wherein the two gaskets are respectively tightly fitted to a first shaft seat and a second shaft seat. 21 . 21 . The thin pump as claimed in claim 13 , wherein the rotor further comprises a guard, and the guard covers the permanent magnet. 22 . 22. The thin pump as claimed in claim 9, wherein the stator has a winding and a circuit board, and the winding is electrically connected to the circuit board. 23. The thin pump as claimed in claim 22, wherein the second chamber comprises a third groove chamber, and the third groove chamber is annular for accommodating the winding. 24. The thin pump of claim 22, wherein the second chamber further comprises a fourth groove chamber for accommodating the circuit board. 25 . The thin pump of claim 9 , wherein the partition member further comprises a first sealing member, and the first sealing member is disposed on the periphery of the first chamber. 26 . 26. The thin pump of claim 9, wherein the partition further comprises a first side surface and a second side surface, the first chamber is disposed on the first side surface, and the second chamber is disposed on the first side surface the second side. 27. The thin pump as claimed in claim 26, wherein the partition member further comprises a second sealing member disposed on the periphery of the first side surface. 28. The thin pump as claimed in claim 26, wherein the partition member further comprises a third sealing member, and the third sealing member is disposed on the periphery of the second side surface. 29 . The thin pump of claim 9 , wherein the first housing further comprises a covering portion for covering the first chamber. 29 . 30 . The thin pump as claimed in claim 9 , wherein the first casing and the partition are made of metal, and the first casing and the partition are combined by laser welding. 31 . 31 . The thin pump of claim 9 , wherein the second casing and the partition are made of metal, and the second casing and the partition are combined by laser welding. 32 . 32. The thin pump as claimed in claim 9, wherein the first casing and the second casing are made of metal, and the first casing and the second casing are combined by laser welding.

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