Self-priming electronic water pump

Abstract

The invention relates to the technical field of water pumps, and discloses a self-priming electronic water pump which comprises a pump body and a cylinder body installed at the bottom end of the pump body, and an impeller is arranged in the pump body; the water suction assembly comprises a rotating shaft and a water suction piece, the water suction piece and the impeller are installed on the rotating shaft, and the water suction piece is driven to vacuumize the interior of the pump body when the rotating shaft rotates in the forward direction; when the rotating shaft rotates reversely, the impeller is driven to rotate to continuously pump water; the control assembly comprises a control module and a driving motor, the driving motor is arranged on the barrel body, one end of the rotating shaft is fixedly connected with an output shaft of the driving motor, and the control module is arranged in the barrel body and electrically connected with the driving motor. According to the self-priming pump, the interior of the pump cavity is pumped to be in a negative pressure state, water is sucked into the pump body, after the water amount reaches the preset water amount, only the impeller is driven to rotate, the centrifugal pump effect is achieved, the pump body can continuously pump water, and then the technical problem that an existing self-priming pump needs to be manually filled before being started is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of water pumps, in particular to a self-priming electronic water pump. Background Art

[0002] As a commonly used pump equipment in the field of industrial irrigation, the self-priming pump can automatically expel the air in the pump and the suction pipe after startup, thereby establishing suction to draw water from the water source. However, when the pump is started, in order to meet the self-priming force of the pump, it is usually necessary to manually fill the pump head with water in advance or introduce liquid into the pump chamber through a pressure tank to achieve self-priming.

[0003] This method requires that the self-priming pump must ensure that there is enough water in the pump body before use, otherwise the self-priming function cannot be performed normally, and the self-priming pump will damage the pump body if it runs for a long time without liquid.

[0004] Therefore, there is an urgent need for a self-priming electronic water pump to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a self-priming electronic water pump to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above object, the present invention provides the following solution: The present invention provides a self-priming electronic water pump, comprising a pump body and a barrel installed at the bottom end of the pump body,

[0007] An impeller is arranged inside the pump body;

[0008] The water absorbing component comprises a rotating shaft and a water absorbing member, wherein the water absorbing member and the impeller are respectively mounted on the rotating shaft and configured to drive the water absorbing member to evacuate the pump body when the rotating shaft rotates in the forward direction; and to drive the impeller to rotate to continuously pump water when the rotating shaft rotates in the reverse direction;

[0009] The control component includes a control module and a drive motor, wherein the drive motor is arranged in the barrel, one end of the rotating shaft is fixedly connected to the output shaft of the drive motor, and the control module is arranged in the barrel and electrically connected to the drive motor.

[0010] Preferably, the water absorbing member comprises a driving gear and a driven gear, the driving gear is mounted on the rotating shaft, the driven gear is rotatably connected in the pump body and meshes with the driving gear, and when the driving gear rotates, it drives the driven gear to suck the air in the pump body.

[0011] Preferably, the pump body includes a pump cover and a pump head, two ends of the pump head are fixedly connected to the pump cover and the barrel respectively, the pump cover and the pump head are connected, the driving gear and the driven gear are located in the pump cover, and the impeller is located in the pump head.

[0012] Preferably, a one-way bearing is sleeved between the driving gear and the rotating shaft.

[0013] Preferably, a one-way valve is installed in the pump cover.

[0014] Preferably, a water inlet and a water outlet are provided on the pump cover.

[0015] Preferably, a liquid level sensor is provided in the pump body.

[0016] Preferably, a sealing flange is provided between the barrel and the pump head.

[0017] Compared with the prior art, the present invention has the following advantages and technical effects:

[0018] The present invention provides a self-priming electronic water pump. In an initial state, the interior of the pump body is empty. The forward rotation of the driving motor drives the water absorbing member to evacuate the interior of the pump body, and the vacuum port is converted into a negative pressure state to suck the external water source into the pump body. When the water volume reaches a preset water volume, the reverse rotation of the driving motor drives only the impeller to rotate, thereby achieving a centrifugal pump effect so that the pump body can continuously pump water, thereby solving the technical problem that the existing self-priming pump needs to be manually primed before starting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0022] Figure 3 It is a schematic diagram of the explosion structure of the pump body of the present invention;

[0023] Among them, 1. Pump body; 10. Water inlet; 11. Water outlet; 12. Impeller; 13. Pump cover; 14. Pump head; 15. Driving gear; 16. Driven gear; 17. One-way bearing; 18. Rotating shaft; 19. One-way valve; 2. Cylinder body; 3. Driving motor. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Reference Figure 1-Figure 3 The present invention provides a self-priming electronic water pump, comprising a pump body 1 and a barrel 2 installed at the bottom end of the pump body 1.

[0027] An impeller 12 is arranged in the pump body 1;

[0028] The water absorbing component includes a rotating shaft 18 and a water absorbing member. The water absorbing member and the impeller 12 are respectively mounted on the rotating shaft 18, and are configured to drive the water absorbing member to vacuum the pump body 1 when the rotating shaft 18 rotates forward; and drive the impeller 12 to rotate to continuously pump water when the rotating shaft 18 rotates reversely;

[0029] The control component includes a control module and a drive motor 3 . The drive motor 3 is arranged in the barrel 2 . One end of the rotating shaft 18 is fixedly connected to the output shaft of the drive motor 3 . The control module is arranged in the barrel 2 and is electrically connected to the drive motor 3 .

[0030] In one embodiment of the present invention, the control module is preferably an STM-32 single chip microcomputer, which is used to control the forward and reverse rotation of the drive motor 3.

[0031] According to a further optimized solution, the water absorbing member includes a driving gear 15 and a driven gear 16. The driving gear 15 is mounted on a rotating shaft 18. The driven gear 16 is rotatably connected to the pump body 1 and meshes with the driving gear 15. When the driving gear 15 rotates, it drives the driven gear 16 to suck the air in the pump body 1.

[0032] In one embodiment of the present invention, when there is no water in the pump chamber, the rotating shaft 18 is first rotated in the positive direction to drive the driving gear 15 to rotate, and then the gear pump effect is realized after meshing with the driven gear 16, the pump chamber is pumped into a negative pressure state, and water is sucked into the pump body 1. After the water volume in the pump chamber reaches a preset water volume, the rotating shaft 18 is rotated in the reverse direction, so that the driving gear 15 stops rotating, and only the impeller 12 is driven to rotate. At this time, the centrifugal pump effect is realized so that the pump body 1 can continuously pump water, thereby solving the technical problem that the existing self-priming pump needs to be manually primed before starting.

[0033] According to a further optimized solution, the pump body 1 includes a pump cover 13 and a pump head 14 , both ends of the pump head 14 are fixedly connected to the pump cover 13 and the barrel 2 respectively, the pump cover 13 and the pump head 14 are connected, the driving gear 15 and the driven gear 16 are located in the pump cover 13 , and the impeller 12 is located in the pump head 14 .

[0034] In one embodiment of the present invention, the pump body 1 comprises a pump cover 13 and a pump head 14 from top to bottom, a driving gear 15 and a driven gear 16 are both arranged in the pump cover 13, an impeller 12 is arranged in the pump head 14, and the pump cover 13 is connected to the pump head 14.

[0035] According to a further optimized solution, a one-way bearing 17 is sleeved between the driving gear 15 and the rotating shaft 18 .

[0036] In one embodiment of the present invention, the one-way bearing 17 is provided to realize the one-way rotation of the driving gear 15 controlled by the rotating shaft 18 .

[0037] To further optimize the solution, a one-way valve 19 is installed in the pump cover 13.

[0038] In one embodiment of the present invention, a one-way valve 19 is provided to ensure that gas can be discharged from the one-way valve 19 when the driving gear 15 rotates, but after the driving gear 15 stops rotating, no gas and / or liquid will overflow from here, thereby ensuring the stability of water pumping when the impeller 12 rotates subsequently.

[0039] According to a further optimized solution, a water inlet 10 and a water outlet 11 are provided on the pump cover 13 .

[0040] In one embodiment of the present invention, water is taken in through the water inlet 10 and water is discharged through the water outlet 11 .

[0041] According to a further optimized solution, a liquid level sensor is provided in the pump body 1 .

[0042] In one embodiment of the present invention, a device including but not limited to a liquid level sensor is disposed in the pump body 1 , and the liquid level sensor is used to detect water volume information in the pump body 1 , thereby controlling the rotation of the drive motor 3 .

[0043] According to a further optimized solution, a sealing flange is provided between the cylinder body 2 and the pump head 14 .

[0044] In one embodiment of the present invention, a sealing flange is provided to ensure the sealing effect between the barrel 2 and the pump head 14 .

[0045] The present invention provides a self-priming electronic water pump. When in use, when there is no water in the pump chamber, the rotating shaft 18 is first rotated in the positive direction to drive the driving gear 15 to rotate, and then the gear pump effect is realized after meshing with the driven gear 16, the pump chamber is pumped into a negative pressure state, water is sucked into the pump body 1, and after the water volume in the pump chamber reaches a preset water volume, the rotating shaft 18 is rotated in the reverse direction to stop the driving gear 15 from rotating, and only the impeller 12 is driven to rotate, at this time, the centrifugal pump effect is realized so that the pump body 1 can continuously pump water, thereby solving the technical problem that the existing self-priming pump needs to be manually primed before starting.

[0046] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0047] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A self-priming electronic water pump, comprising a pump body (1) and a barrel (2) mounted at the bottom end of the pump body (1), characterized in that: An impeller (12) is arranged inside the pump body (1); A water absorbing component comprises a rotating shaft (18) and a water absorbing member, wherein the water absorbing member and the impeller (12) are respectively mounted on the rotating shaft (18), and are configured to drive the water absorbing member to evacuate the pump body (1) when the rotating shaft (18) rotates in the forward direction; and to drive the impeller (12) to rotate to continuously pump water when the rotating shaft (18) rotates in the reverse direction. The control component comprises a control module and a drive motor (3), wherein the drive motor (3) is arranged on the barrel (2), one end of the rotating shaft (18) is fixedly connected to the output shaft of the drive motor (3), and the control module is arranged in the barrel (2) and electrically connected to the drive motor (3).

2. A self-priming electronic water pump according to claim 1, characterized in that: The water absorbing member comprises a driving gear (15) and a driven gear (16); the driving gear (15) is mounted on the rotating shaft (18); the driven gear (16) is rotatably connected in the pump body (1) and meshes with the driving gear (15); when the driving gear (15) rotates, the driven gear (16) is driven to suck air in the pump body (1).

3. A self-priming electronic water pump according to claim 2, characterized in that: The pump body (1) comprises a pump cover (13) and a pump head (14); two ends of the pump head (14) are fixedly connected to the pump cover (13) and the barrel (2) respectively; the pump cover (13) and the pump head (14) are connected to each other; the driving gear (15) and the driven gear (16) are located in the pump cover (13); and the impeller (12) is located in the pump head (14).

4. A self-priming electronic water pump according to claim 3, characterized in that: A one-way bearing (17) is sleeved between the driving gear (15) and the rotating shaft (18).

5. A self-priming electronic water pump according to claim 3, characterized in that: A one-way valve (19) is installed in the pump cover (13).

6. A self-priming electronic water pump according to claim 3, characterized in that: The pump cover (13) is provided with a water inlet (10) and a water outlet (11).

7. A self-priming electronic water pump according to claim 1, characterized in that: A liquid level sensor is arranged inside the pump body (1).

8. A self-priming electronic water pump according to claim 3, characterized in that: A sealing flange is provided between the barrel (2) and the pump head (14).

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