CN214221525U

CN214221525U - Double-water-chamber water pump

Info

Publication number: CN214221525U
Application number: CN202120257322.XU
Authority: CN
Inventors: 任晓峰
Original assignee: Chengdu High Tech Zone Huahui Co ltd
Current assignee: Chengdu High Tech Zone Huahui Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-09-17
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a two water chambers water pump relates to electric water pump technical field. Comprises the following steps: the water tank comprises a first water chamber and a second water chamber, wherein the first water chamber and the second water chamber are arranged independently at intervals, the first water chamber is provided with a first water inlet and a first water outlet, and the second water chamber is provided with a second water inlet and a second water outlet; a first impeller arranged in the first water chamber and a second impeller arranged in the second water chamber; the driving unit is respectively assembled and connected with the first impeller and the second impeller and used for driving the first impeller and the second impeller to do work simultaneously. The utility model provides a pair of two hydroeciums water pump has two independent hydroeciums, is provided with the impeller in every hydroecium separately, and two different water routes can be driven to two independent hydroeciums. The drive unit is capable of simultaneously driving the impeller to rotate. The form that one drive unit drives two impellers simultaneously has reached the technological effect of saving space, reduce cost.

Description

Double-water-chamber water pump

Technical Field

The utility model belongs to the technical field of electric water pump, further relate to a two water chambers water pump.

Background

The structure of the electronic water pump in the current market is composed of a water chamber, a motor and an electric control part. In the practical use process of the electronic water pump, a one-to-one mode is usually adopted, namely, one water pump can only carry out heat exchange work with one component or area through one channel. For example, on a new energy automobile, one water pump is needed for cooling a motor, one water pump is needed for cooling a battery, and at least two water pumps are needed for cooling one automobile, so that the occupied space is large, the energy consumption is high, and the cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a two water chambers water pump. The effect of driving two water routes simultaneously can be achieved. The utility model discloses solve the problem with following technical essential:

a dual-chamber water pump comprising: the water tank comprises a first water chamber and a second water chamber, wherein the first water chamber and the second water chamber are arranged independently at intervals, the first water chamber is provided with a first water inlet and a first water outlet, and the second water chamber is provided with a second water inlet and a second water outlet; a first impeller arranged in the first water chamber and a second impeller arranged in the second water chamber; the driving unit is respectively assembled and connected with the first impeller and the second impeller and used for driving the first impeller and the second impeller to do work simultaneously.

As mentioned above, the utility model provides a two water chambers water pump. Compared with the prior art, the water pump comprises two independently arranged water chambers, and each water chamber is provided with an independent impeller, a water outlet and a water inlet. When the water chamber works, the corresponding impeller in each water chamber is driven to rotate to work the fluid between the blades, and the fluid is thrown to the periphery from the center of the impeller under the centrifugal action. At the same time, the impeller center forms a low pressure, and the liquid in the water inlet is continuously sucked up. Therefore, each water chamber can drive the liquid in a single water path to flow. The volume of two hydroeciums sets up, has realized the technical purpose of two water routes of a water pump drive simultaneously. The water pump can be provided with only one driving unit which is assembled and connected with the two impellers to drive the two impellers to rotate. The assembly mode includes and is not limited to various reasonable modes such as gear transmission and the like. The form that one drive unit drives two impellers simultaneously has reached the technological effect of saving space, reduce cost.

The further technical scheme is as follows:

the water pump comprises a pump body, and the driving unit comprises a motor with a rotor and a stator and a rotating shaft; the motor sets up inside the pump body, the axis of rotation sets up on the rotor, the both ends of axis of rotation are located the pump body outside, a tip of axis of rotation is fixed to be set up first impeller, another tip of axis of rotation is fixed to be set up the second impeller. In this technical feature, the way of mounting connection between the drive unit and the two impellers is defined: namely, a first impeller and a second impeller are respectively arranged at two ends of a rotating shaft, and the rotating shaft arranged on the rotor is driven to rotate through the motor, so that the impellers at two ends of the rotating shaft are driven to rotate. Namely, the motor directly drives the two impellers through the rotating shaft, and the motor does not transmit power through other transmission mechanisms, so that the power loss is avoided, and the efficiency of the whole device is improved. Fewer transmission units also improves the reliability and life of the overall device.

The pump body comprises a shell with an opening at the upper part and the lower part, and a first pressing plate and a second pressing plate which are arranged at two ends of the opening of the shell and used for covering and sealing the opening; a first end cover is arranged on one side of the first pressure plate, which is far away from the interior of the pump body, the first end cover and the first pressure plate are enclosed to form a first water chamber, and a first water inlet and a first water outlet are formed in the first end cover; and a second end cover is installed on one side, far away from the inside of the pump body, of the second pressing plate, the second end cover and the second pressing plate are enclosed to form a second water chamber, and a second water inlet and a second water outlet are formed in the second end cover. The technical characteristics further limit the specific structure of the double-water-chamber water pump. The first pressing plate and the second pressing plate are matched with the shell to form a pump body main body with a cavity inside. The motor and a portion of the rotating shaft are disposed within the cavity. The rotating shaft extends outwards from the inside of the pump body, and the two end parts of the rotating shaft respectively penetrate through the first pressing plate and the second pressing plate to the outside of the pump body. The outer sides of the two pressing plates, which are opposite to the pump body, are respectively provided with an end cover, and the end covers and the pressing plates are enclosed to form a water chamber. Namely, the two water chambers are respectively arranged at two opposite ends of the pump body main body.

In order to facilitate the assembly of a motor, a rotating shaft and other devices such as a sealing ring, a connecting piece and the like in the pump body, at least one of the first pressing plate and the second pressing plate can be assembled and disassembled with the shell. One of the two pressing plates can be disassembled and assembled with the shell, and the other pressing plate can be integrally formed with the shell, so that the end part of the shell is directly closed. Enough sealing structures are arranged between the pressure plate and the shell so as to prevent liquid in the water chamber from entering the shell to damage equipment such as a motor.

The first end cover and the second end cover are in mirror symmetry; the first impeller and the second impeller are identical in size and specification and opposite in rotation direction. In centrifugal pumps, the water inlet provided in the end cap extends generally perpendicularly to the plane of the end cap and the water outlet is located in the plane of the end cap. Therefore, in the scheme, the two end covers are arranged at the two opposite ends of the pump body, and the extending directions of the water inlets of the two end covers are opposite. The first impeller and the second impeller are set to be the same in specification and opposite in rotation direction, so that the flow and the lift output by the water outlets of the two water chambers can be ensured to be the same.

The rotating shaft is sleeved with a graphite sleeve, and the rotating shaft is installed in a matched mode with the pump body through the graphite sleeve. Specifically, the graphite sleeve is positioned in the pump body and close to the bottom of the water chamber. The graphite sleeve is fixed with the pump body in an injection molding mode, and the rotating shaft is rotatably sleeved in the graphite sleeve. The graphite sleeve not only can support the rotation shaft to rotate, but also can realize the relative sealing between the water chambers and the pump body, and also plays a role in isolating the two water chambers.

In order to make the graphite sleeve more stable and balanced to support the rotating shaft. The number of the graphite sleeves is two, and the two graphite sleeves are symmetrically arranged on two sides of the rotor by taking the rotor as the center.

The double-water-chamber water pump further comprises an electric control unit, and the electric control unit is in signal connection with the driving unit. The electric control unit plays a role in controlling the driving unit.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has reasonable structure and safe and convenient use. The utility model provides a pair of two hydroeciums water pump has two independent hydroeciums, is provided with the impeller in every hydroecium separately, and two different water routes can be driven to two independent hydroeciums. The utility model discloses still contain the drive unit who has motor and axis of rotation, drive unit can drive the impeller simultaneously and rotate. The form that one drive unit drives two impellers simultaneously has reached the technological effect of saving space, reduce cost.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is an overall sectional view of the present invention;

fig. 2 is an overall three-dimensional schematic diagram of the present invention;

in the figure: 1. a first water chamber; 101. a first impeller; 102. a first platen; 103. a first end cap; 2. a second water chamber; 201. a second impeller; 202. a second platen; 203. a second end cap; 3. a drive unit; 301. a rotor; 302. a stator; 303. a rotating shaft; 4. a graphite sleeve; 5. a housing.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1:

referring to fig. 1-2, a dual-chamber water pump includes: the water tank comprises a first water chamber 1 and a second water chamber 2, wherein the first water chamber 1 and the second water chamber 2 are arranged independently at intervals, the first water chamber 1 is provided with a first water inlet and a first water outlet, and the second water chamber 2 is provided with a second water inlet and a second water outlet; a first impeller 101 disposed in the first water chamber 1 and a second impeller 201 disposed in the second water chamber 2; the driving unit 3 is respectively assembled and connected with the first impeller 101 and the second impeller 201, and the driving unit 3 is used for simultaneously driving the first impeller 101 and the second impeller 201 to do work.

As mentioned above, the utility model provides a two water chambers water pump. Compared with the prior art, the water pump comprises two independently arranged water chambers, and each water chamber is provided with an independent impeller, a water outlet and a water inlet. When the water chamber works, the corresponding impeller in each water chamber is driven to rotate to work the fluid between the blades, and the fluid is thrown to the periphery from the center of the impeller under the centrifugal action. At the same time, the impeller center forms a low pressure, and the liquid in the water inlet is continuously sucked up. Therefore, each water chamber can drive the liquid in a single water path to flow. The volume of two hydroeciums sets up, has realized the technical purpose of two water routes of a water pump drive simultaneously. The water pump can be provided with only one driving unit 3, and the driving unit 3 is assembled and connected with the two impellers to drive the two impellers to rotate. The assembly mode includes and is not limited to various reasonable modes such as gear transmission and the like. The form that one drive unit 3 drives two impellers simultaneously achieves the technical effects of saving space and reducing cost.

Example 2:

this example is further defined on the basis of example 1:

the water pump comprises a pump body, the driving unit 3 comprises a motor with a rotor 301 and a stator 302, and a rotating shaft 303; the motor sets up inside the pump body, axis of rotation 303 sets up on rotor 301, the both ends of axis of rotation 303 are located the pump body outside, an end of axis of rotation 303 is fixed to be set up first impeller 101, another end of axis of rotation 303 is fixed to be set up second impeller 201. In this technical feature, the way of mounting connection between the drive unit 3 and the two impellers is defined: that is, the first impeller 101 and the second impeller 201 are respectively installed at two ends of a rotating shaft 303, and the rotating shaft 303 arranged on the rotor 301 is driven to rotate by the motor, so as to drive the impellers at two ends of the rotating shaft to rotate. That is, the motor directly drives the two impellers through the rotating shaft 303, and the motor does not transmit power through other transmission mechanisms, so that power loss is avoided, and the efficiency of the whole device is improved. Fewer transmission units also improves the reliability and life of the overall device.

The pump body comprises a shell 5 with an opening at the upper part and the lower part, and a first pressing plate 102 and a second pressing plate 202 which are arranged at two ends of the opening of the shell 5 and used for covering and sealing the opening; a first end cover 103 is installed on one side, away from the interior of the pump body, of the first pressure plate 102, the first end cover 103 and the first pressure plate 102 enclose to form a first water chamber 1, and a first water inlet and a first water outlet are formed in the first end cover 103; a second end cover 203 is installed on one side, far away from the inside of the pump body, of the second pressing plate 202, the second end cover 203 and the second pressing plate 202 enclose to form a second water chamber 2, and a second water inlet and a second water outlet are formed in the second end cover 203. The technical characteristics further limit the specific structure of the double-water-chamber water pump. The first pressure plate 102 and the second pressure plate 202 cooperate with the casing 5 to form a pump body with a cavity inside. The motor and a portion of the rotating shaft 303 are disposed within the cavity. The rotating shaft 303 extends outwards from the inside of the pump body, and the two ends of the rotating shaft respectively penetrate through the first pressing plate 102 and the second pressing plate 202 to the outside of the pump body. The outer sides of the two pressing plates, which are opposite to the pump body, are respectively provided with an end cover, and the end covers and the pressing plates are enclosed to form a water chamber. Namely, the two water chambers are respectively arranged at two opposite ends of the pump body main body.

In order to facilitate the assembly of the motor, the rotating shaft 303 and other devices such as a sealing ring and a connecting piece in the pump body, at least one of the first pressure plate 102 and the second pressure plate 202 is detachably arranged on the shell 5. One of the two pressing plates can be detached from the shell 5, and the other pressing plate can be integrally formed with the shell 5, so that the end of the shell 5 is directly closed. Enough sealing structures are arranged between the pressure plate and the shell 5 to prevent liquid in the water chamber from entering the shell 5 to damage equipment such as a motor.

The first end cover 103 and the second end cover 203 are in mirror symmetry; the first impeller 101 and the second impeller 201 have the same size and specification, and have opposite rotation directions. In centrifugal pumps, the water inlet provided in the end cap extends generally perpendicularly to the plane of the end cap and the water outlet is located in the plane of the end cap. Therefore, in the scheme, the two end covers are arranged at the two opposite ends of the pump body, and the extending directions of the water inlets of the two end covers are opposite. The first impeller 101 and the second impeller 201 are set to have the same specification and opposite rotation directions, so that the flow and the lift output from the water outlets of the two water chambers can be ensured to be the same.

The rotating shaft 303 is sleeved with a graphite sleeve 4, and the rotating shaft 303 is installed in a matched mode with the pump body through the graphite sleeve 4. Specifically, the graphite sleeve 4 is located within the pump body, near the bottom of the water chamber. Graphite sleeve 4 is fixed with the pump body through the mode of moulding plastics, and axis of rotation 303 rotationally cup joints in graphite sleeve 4. The graphite sleeve 4 can support the rotation shaft 303 to rotate, can realize the relative sealing between the water chamber and the pump body, and also has the function of isolating the two water chambers.

In order to make the graphite sleeve 4 support the rotating shaft 303 more stably and more balanced. The number of the graphite sleeves 4 is two, and the two graphite sleeves 4 are symmetrically arranged on two sides of the rotor 301 by taking the rotor 301 as a center.

The double-water-chamber water pump further comprises an electric control unit, and the electric control unit is in signal connection with the driving unit 3. The electronic control unit controls the drive unit 3.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or deformation made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A dual-chamber water pump, comprising:

the water tank comprises a first water chamber (1) and a second water chamber (2), wherein the first water chamber (1) and the second water chamber (2) are arranged independently at intervals, the first water chamber (1) is provided with a first water inlet and a first water outlet, and the second water chamber (2) is provided with a second water inlet and a second water outlet;

a first impeller (101) arranged in the first water chamber (1) and a second impeller (201) arranged in the second water chamber (2); the driving unit (3) is respectively assembled and connected with the first impeller (101) and the second impeller (201), and the driving unit (3) is used for simultaneously driving the first impeller (101) and the second impeller (201) to do work in a rotating manner.

2. A double water chamber water pump according to claim 1, characterized in that the water pump comprises a pump body, the drive unit (3) comprises an electric motor with a rotor (301) and a stator (302), a rotating shaft (303);

the motor sets up inside the pump body, axis of rotation (303) set up on rotor (301), the both ends of axis of rotation (303) are located the pump body outside, a fixed setting of an end of axis of rotation (303) first impeller (101), another fixed setting of another end of axis of rotation (303) second impeller (201).

3. The double water chamber water pump as claimed in claim 2, wherein the pump body comprises a housing (5) with openings at the upper and lower parts, and a first pressing plate (102) and a second pressing plate (202) which are arranged at the two ends of the opening of the housing (5) and are used for covering and sealing the opening;

a first end cover (103) is installed on one side, away from the interior of the pump body, of the first pressing plate (102), the first end cover (103) and the first pressing plate (102) are enclosed to form a first water chamber (1), and a first water inlet and a first water outlet are formed in the first end cover (103);

and a second end cover (203) is installed on one side, far away from the inside of the pump body, of the second pressing plate (202), the second end cover (203) and the second pressing plate (202) are enclosed to form a second water chamber (2), and a second water inlet and a second water outlet are formed in the second end cover (203).

4. A double water chamber pump according to claim 3, wherein at least one of the first pressure plate (102) and the second pressure plate (202) is detachable from the housing (5).

5. A double water chamber pump according to claim 3, wherein the first end cap (103) and the second end cap (203) are mirror symmetrical in structure; the first impeller (101) and the second impeller (201) have the same size and specification and opposite rotation directions.

6. The double-water-chamber water pump as claimed in claim 2, wherein the rotating shaft (303) is sleeved with a graphite sleeve (4), and the rotating shaft (303) is installed with the pump body in a matching manner through the graphite sleeve (4).

7. The double water chamber water pump as claimed in claim 6, wherein the number of the graphite sleeves (4) is two, and the two graphite sleeves (4) are symmetrically arranged on two sides of the rotor (301) by taking the rotor (301) as a center.

8. The double water chamber pump according to claim 1, further comprising an electronic control unit in signal connection with the driving unit (3).