Double-end electronic water pump

Abstract

The utility model provides a double-end electronic water pump, and belongs to the technical field of electronic water pumps. The number of the pump covers is two, the two pump covers are connected with the two ends of the pump body respectively, a working cavity is formed between each pump cover and the pump body, and each pump cover is provided with a water inlet and a water outlet; the number of the impellers is two, and the two impellers are located in the two working cavities correspondingly. The motor assembly comprises a stator, a rotor and a rotating shaft, the stator is connected with the pump body, and the rotor is connected with the rotating shaft. The electronic water pump has the advantages that the rotor can rotate relative to the stator, and the two impellers are driven to rotate simultaneously through the rotating shaft, so that one electronic water pump can pump water of the two water inlets into the two water outlets simultaneously, the structure of the electronic water pump is simplified, and space required for installation is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic water pump technical field relates to a double -end electronic water pump. BACKGROUND

[0002] In prior art, most electronic water pumps are driven by single motor and single water pump, for example, multiple electronic water pumps are used in multiple systems of new energy automobile, each water pump is controlled individually, in some application environment, same circulating medium needs two pumps to circulate due to close performance flow and different medium temperature, two electronic water pumps are used simultaneously, larger installation space needs to be provided, it is difficult to realize the simplified installation of automobile electronic water pump, installation cost is increased, and there is great improvement space. SUMMARY

[0003] The utility model discloses a double -end electronic water pump to solve the above -mentioned problems existing in prior art.

[0004] The utility model discloses a double -end electronic water pump, which can be realized by the following technical scheme.

[0005] Pump body;

[0006] Pump cover, the number is two, two pump covers are connected with two ends of the pump body respectively, the working cavity is formed between the pump cover and the pump body, the pump cover is provided with water inlet and water outlet, the water inlet is communicated with the working cavity, and the water outlet is communicated with the working cavity;

[0007] Impeller, the number is two, two impellers are located in two working cavities respectively;

[0008] Motor assembly, including stator, rotor and shaft, the stator is connected with the pump body, the rotor is connected with the shaft, the shaft can rotate relative to the pump body, two impellers are connected with two ends of the shaft respectively, the rotor can rotate relative to the stator, and two impellers are driven to rotate simultaneously by the shaft.

[0009] In the above-mentioned double -end electronic water pump, still include extension pipe, the number of extension pipe is two, two extension pipes are connected with two pump covers respectively, the extension pipe is provided with extension channel, and one end of two extension channels is communicated with two water outlets respectively.

[0010] In the above-mentioned double -end electronic water pump, still include multi -pass piece, the extension pipe is also provided with branch flow channel, the direct current channel is communicated with the extension channel, two ends of the multi -pass piece are connected with two extension pipes respectively, and two branch flow channels are communicated by the multi -pass piece.

[0011] In the double-head electronic water pump, an accumulator is further included, which is communicated with one end of the multi-way piece, and is used for absorbing pressure fluctuation.

[0012] In the double-head electronic water pump, a pressure sensor is further included, which is communicated with one end of the multi-way piece, and is used for measuring pressure in the multi-way piece.

[0013] In the double-head electronic water pump, a one-way valve is further included, which is arranged at the water outlet or the extension channel.

[0014] In the double-head electronic water pump, the rotating shaft is provided with a flow-through hole penetrating through the rotating shaft, and the two working cavities are communicated through the flow-through hole.

[0015] In the double-head electronic water pump, the pump body includes a first seat body and a second seat body, the first seat body is detachably connected with the second seat body, one pump cover is connected with the first seat body and a working cavity is formed between the two, and another pump cover is connected with the second seat body and another working cavity is formed between the two.

[0016] In the double-head electronic water pump, a first fastener and a second fastener are further included, one pump cover is provided with a first connecting hole, the first seat body is provided with a second connecting hole, the second seat body is provided with a third connecting hole and a fourth connecting hole, another pump cover is provided with a fifth connecting hole, the first fastener connects one pump cover, the first seat body and the second seat body through the first connecting hole, the second connecting hole and the third connecting hole, and the second fastener connects another pump cover and the second seat body through the fourth connecting hole and the fifth connecting hole.

[0017] In the double-head electronic water pump, a bearing is further included, and the rotating shaft is rotatably connected with the pump body through the bearing.

[0018] Compared with the prior art, the double-head electronic water pump has the following beneficial effects:

[0019] 1. The rotor can rotate relative to the stator and simultaneously drive two impellers to rotate through the rotating shaft, so that one electronic water pump can pump water from two water inlets to two water outlets, and the structure of the electronic water pump is simplified, and the installation space is greatly reduced.

[0020] 2. Two ends of the multi-way piece are connected with two extension pipes respectively, and two branch channels are communicated through the multi-way piece, so that water can flow between the two extension pipes when the pressures of the two extension pipes are different, and the pressures of the two extension pipes are equalized.

[0021] 3. The accumulator is communicated with one end of the multi-pass piece and can absorb pressure fluctuation, so that the pressure fluctuation of water flowing into the multi-pass piece can be absorbed when the flow velocity of the extension pipe suddenly changes, the pressure peak is reduced, and the water hammer phenomenon is weakened.

[0022] 4. The pressure sensor is communicated with one end of the multi-pass piece and can measure the pressure in the multi-pass piece, so that the pressure of water flowing into the multi-pass piece can be measured in real time, and the user can observe the pressure condition of the double-head electronic water pump in time.

[0023] 5. The two working cavities are communicated through the flow-through hole, so that water can flow between the two working cavities when the pressure of the two working cavities is unbalanced, so as to realize pressure balance of the two working cavities. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure diagram of the double-head electronic water pump.

[0025] Figure 2 It is a front view of the double-head electronic water pump.

[0026] Figure 3 It is a sectional view of the A-A perspective of Figure 2 .

[0027] Figure 4 It is a sectional view of the B-B perspective of Figure 2 .

[0028] In the figure, 110 is a first seat body, 111 is a second connecting hole, 120 is a second seat body, 121 is a third connecting hole, 122 is a fourth connecting hole, 200 is a pump cover, 210 is a water inlet, 220 is a water outlet, 230 is a first connecting hole, 240 is a fifth connecting hole, 300 is a working cavity, 400 is an impeller, 510 is a stator, 520 is a rotor, 530 is a rotating shaft, 531 is a flow-through hole, 600 is an extension pipe, 610 is an extension channel, 620 is a branch channel, 700 is a multi-pass piece, 800 is an accumulator, 900 is a one-way valve, and 1000 is a bearing. DETAILED DESCRIPTION

[0029] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, the description of "first", "second", "one" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance of the technical features or implying the number of the technical features indicated. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0032] In the present application, unless otherwise specifically defined and limited, the terms "connection", "fixing" and the like should be broadly understood, for example, "fixing" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In addition, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0034] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0035] As shown in Figures 1-4 A double-head electronic water pump, comprising: a pump body, a pump cover 200, an impeller 400 and a motor assembly.

[0036] Among them, the number of pump cover 200 is two, two pump cover 200 is connected with the two ends of the pump body respectively, the pump cover 200 and the pump body form a working chamber 300, the pump cover 200 is provided with water inlet 210 and water outlet 220, the water inlet 210 and the working chamber 300 are communicated, the water outlet 220 and the working chamber 300 are communicated;

[0037] Among them, the number of impeller 400 is two, two impeller 400 is located in two working chamber 300 respectively;

[0038] The motor assembly includes a stator 510, a rotor 520, and a rotating shaft 530. The stator 510 is connected to the pump body, the rotor 520 is connected to the rotating shaft 530, the rotating shaft 530 is rotatable relative to the pump body, and the two impellers 400 are respectively connected to the two ends of the rotating shaft 530. The rotor 520 is rotatable relative to the stator 510 and simultaneously drives the two impellers 400 to rotate simultaneously through the rotating shaft 530.

[0039] In this embodiment, the rotor 520 can rotate relative to the stator 510 and simultaneously drive the two impellers 400 to rotate via the rotating shaft 530, thereby enabling one electronic water pump to simultaneously pump water from two inlets 210 into two outlets 220, simplifying the structure of the electronic water pump and greatly reducing the space required for installation.

[0040] like Figures 1-4 As shown, based on the above embodiment, it also includes an extension pipe 600. There are two extension pipes 600. The two extension pipes 600 are respectively connected to the two pump covers 200. The extension pipes 600 are provided with extension channels 610. One end of the two extension channels 610 is respectively connected to the two water outlets 220.

[0041] In this embodiment, one end of each of the two extension channels 610 is connected to one of the two water outlets 220 to receive water flowing out of the water outlets 220 and to facilitate the connection of other functional structural components.

[0042] like Figures 1-4 As shown, based on the above embodiment, it also includes a multi-channel component 700. The extension tube 600 is also provided with a branch channel 620. The DC channel is connected to the extension channel 610. Two ends of the multi-channel component 700 are respectively connected to the two extension tubes 600. The two branch channels 620 are connected through the multi-channel component 700.

[0043] In this embodiment, two ends of the multi-port component 700 are respectively connected to two extension pipes 600, and the two branch channels 620 are connected through the multi-port component 700, so that water can flow between the two extension pipes 600 when the pressures are different, thereby achieving the same pressure in the two extension pipes 600.

[0044] In addition, the multi-port component 700 can be configured as a multi-port valve to control whether the two working chambers 300 are connected or not.

[0045] like Figures 1-4 As shown, based on the above embodiment, an energy storage device 800 is also included. The energy storage device 800 is connected to one end of the multi-channel component 700, and the energy storage device 800 is used to absorb pressure fluctuations.

[0046] Water hammer phenomenon, also known as hydraulic shock or hydraulic impact, refers to a pressure fluctuation in a fluid transmission system caused by a sudden change in flow rate (such as rapid valve closure, pump sudden stop, etc.), which can cause a great instantaneous pressure and may cause damage to the pipeline system.

[0047] In this embodiment, the accumulator 800 is in communication with one end of the multi-way piece 700 and can absorb pressure fluctuations, so it can absorb the pressure fluctuations of the water flowing into the multi-way piece 700 when the flow rate of the extension pipe 600 changes suddenly, reduce the pressure peak, and weaken the water hammer phenomenon.

[0048] As shown in Figures 1-4 , on the basis of the above embodiment, a pressure sensor (not shown in the figure) is further included, which is in communication with one end of the multi-way piece 700, and the pressure sensor is used to measure the pressure in the multi-way piece 700.

[0049] In this embodiment, the pressure sensor is in communication with one end of the multi-way piece 700 and can measure the pressure in the multi-way piece 700, so that the user can measure the pressure of the water flowing into the multi-way piece 700 in real time and observe the pressure condition of the double-head electronic water pump in time.

[0050] As shown in Figures 1-4 , on the basis of the above embodiment, a one-way valve 900 is further included, which is arranged in the water outlet 220 or the extension channel 610.

[0051] In this embodiment, the one-way valve 900 is arranged in the water outlet 220 or the extension channel 610 and extends from the water outlet 220 to the extension channel 610, thereby preventing water from flowing back.

[0052] As shown in Figures 1-4 , on the basis of the above embodiment, the rotating shaft 530 is provided with a flow-through hole 531 penetrating through itself, and the two working cavities 300 are in communication through the flow-through hole 531.

[0053] In this embodiment, the two working cavities 300 are in communication through the flow-through hole 531, so that the water can flow between the two working cavities 300 when the pressure of the two working cavities 300 is unbalanced, thereby achieving pressure balance of the two working cavities 300.

[0054] As shown in Figures 1-4As shown, based on the above embodiment, the pump body includes a first seat 110 and a second seat 120. The first seat 110 is detachably connected to the second seat 120. One pump cover 200 is connected to the first seat 110 and a working chamber 300 is formed between them. Another pump cover 200 is connected to the second seat 120 and another working chamber 300 is formed between them.

[0055] like Figures 1-4 As shown, based on the above embodiment, it further includes a first fastener (not shown in the figure) and a second fastener (not shown in the figure). One pump cover 200 is provided with a first connecting hole 230, the first seat 110 is provided with a second connecting hole 111, the second seat 120 is provided with a third connecting hole 121 and a fourth connecting hole 122, and the other pump cover 200 is provided with a fifth connecting hole 240. The first fastener connects one pump cover 200, the first seat 110 and the second seat 120 through the first connecting hole 230, the second connecting hole 111 and the third connecting hole 121. The second fastener connects the other pump cover 200 and the second seat 120 through the fourth connecting hole 122 and the fifth connecting hole 240.

[0056] Specifically, the first connecting hole 230 is a threaded hole, the second connecting hole 111 and the third connecting hole 121 are both through holes, the first fastener is a screw, the first fastener passes through the third connecting hole 121 and the second connecting hole 111 in sequence and is threadedly connected to the first connecting hole 230 to realize the connection of a pump cover 200, a first seat 110 and a second seat 120.

[0057] Specifically, the fourth connecting hole 122 is a threaded hole, the fifth connecting hole 240 is a through hole, the second fastener is a screw, the second fastener passes through the fifth connecting hole 240 and is threadedly connected to the second connecting hole 111 to realize the connection of another pump cover 200 and the second seat 120.

[0058] like Figures 1-4 As shown, based on the above-described embodiments, the above-described dual-head electronic water pump also includes a bearing 1000, and the rotating shaft 530 is rotatably connected to the pump body through the bearing 1000.

[0059] In this embodiment, the rotating shaft 530 is rotatably connected to the pump body via the bearing 1000. The rotating shaft 530 is in contact with the inner ring of the bearing 1000, the outer ring of the bearing 1000 is in contact with the pump body, and the inner ring of the bearing 1000 is rotatably connected to the outer ring of the bearing 1000.

Claims

1. A double-headed electronic water pump characterized by, The utility model relates to a pump, comprising: a pump body; two pump covers, each of which is connected to one end of the pump body, and a working chamber is formed between the pump cover and the pump body, the pump cover is provided with a water inlet and a water outlet, the water inlet is communicated with the working chamber, and the water outlet is communicated with the working chamber; two impellers, each of which is located in one of the working chambers; a motor assembly, which comprises a stator, a rotor and a rotating shaft, the stator is connected to the pump body, the rotor is connected to the rotating shaft, the rotating shaft is rotatable relative to the pump body, each of the two impellers is connected to one end of the rotating shaft, the rotor is rotatable relative to the stator and simultaneously drives the two impellers to rotate through the rotating shaft.

2. A double-headed electronic water pump according to claim 1, characterized in that: The utility model further comprises two extension pipes, each of which is connected to one of the pump covers, and each of the extension pipes is provided with an extension channel, one end of each of the two extension channels is communicated with one of the water outlets.

3. A double-headed electronic water pump as claimed in claim 2, characterized in that: The utility model further comprises a multi-way piece, the extension pipe is further provided with a branch channel, the branch channel is communicated with the extension channel, and two ends of the multi-way piece are connected to the two extension pipes, respectively, and the two branch channels are communicated through the multi-way piece.

4. A double-headed electronic water pump as claimed in claim 3, characterized in that: The utility model further comprises an accumulator, one end of the multi-way piece is communicated with the accumulator, and the accumulator is used for absorbing pressure fluctuation.

5. A double-headed electronic water pump as claimed in claim 3, characterized in that: The utility model further comprises a pressure sensor, one end of the multi-way piece is communicated with the pressure sensor, and the pressure sensor is used for measuring the pressure in the multi-way piece.

6. A double-headed electronic water pump as defined in claim 2, characterized in that: The utility model further comprises a one-way valve, which is arranged in the water outlet or the extension channel.

7. A double-head electronic water pump according to claim 1, characterized in that: The rotating shaft is provided with a flow-through hole penetrating through itself, and the two working chambers are communicated through the flow-through hole.

8. A double-headed electronic water pump as defined in claim 1, characterized in that: The pump body comprises a first seat body and a second seat body, the first seat body is detachably connected to the second seat body, one of the pump covers is connected to the first seat body and a working chamber is formed between them, and the other pump cover is connected to the second seat body and another working chamber is formed between them.

9. A double-headed electronic water pump as claimed in claim 8, characterized in that: The utility model further comprises a first fastener and a second fastener, one of the pump covers is provided with a first connecting hole, the first seat body is provided with a second connecting hole, the second seat body is provided with a third connecting hole and a fourth connecting hole, the other pump cover is provided with a fifth connecting hole, the first fastener connects one of the pump covers, the first seat body and the second seat body through the first connecting hole, the second connecting hole and the third connecting hole, and the second fastener connects the other pump cover and the second seat body through the fourth connecting hole and the fifth connecting hole.

10. A double-head electronic water pump according to claim 1, characterized in that: The utility model further comprises a bearing, the rotating shaft is rotatably connected to the pump body through the bearing.

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