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CN-224214384-U - Automatic pump

CN224214384UCN 224214384 UCN224214384 UCN 224214384UCN-224214384-U

Abstract

The utility model provides an automatic pump, which comprises a pump body, a driving assembly and a control assembly, wherein the pump body is provided with a pump cavity and a floating cavity which are mutually separated, the driving assembly comprises an impeller positioned in the pump cavity and a motor for driving the impeller to rotate, the control assembly comprises a floating piece positioned in the floating cavity and a control circuit board electrically connected with the motor, the floating piece is provided with a first position and a second position with different horizontal heights, when the floating piece is positioned at the first position and the second position, the floating piece magnetically triggers a control signal of the control circuit board, the pump body also comprises a separation structure, the separation structure is positioned between the floating piece and the control circuit board, and the separation structure is arranged between the floating piece and the control circuit board, so that the floating piece can trigger the control signal without contacting with the control circuit board, thereby avoiding the condition of poor contact or difficult detachment and ensuring that the floating piece accurately triggers the control signal of the control circuit board.

Inventors

  • LIN YANG

Assignees

  • 巍巍河山(宁波)信息科技有限公司

Dates

Publication Date
20260508
Application Date
20250528

Claims (10)

  1. 1. An automatic pump, comprising: The pump body is provided with a pump cavity and a floating cavity which are mutually separated; the driving assembly comprises an impeller positioned in the pump cavity and a motor for driving the impeller to rotate; The control assembly comprises a floating piece positioned in the floating cavity and a control circuit board electrically connected with the motor, wherein the floating piece is provided with a first position and a second position with different horizontal heights, and when the floating piece is positioned at the first position and the second position, the control signal of the control circuit board is magnetically triggered by the floating piece; The pump body further comprises a separation structure, and the separation structure is located between the floating piece and the control circuit board.
  2. 2. The automatic pump of claim 1, wherein the control circuit board is located within a pump chamber or a float chamber.
  3. 3. The automatic pump of claim 1, wherein the dividing structure is located within the float chamber and divides the float chamber into a first chamber and a second chamber, the float member being located within the first chamber, the control circuit board being located within the second chamber.
  4. 4. The automatic pump according to claim 1, wherein the pump body comprises a pump housing forming a pump cavity and a control housing, the partition structure being connected to the control housing, the float cavity being formed by the pump housing and the control housing, the float having a first end wall opposite the pump housing and a second end wall facing away from the first end wall, the control housing having a side plate opposite the second end wall, the first end wall being configured to mate with the pump housing and/or the second end wall being configured to mate with the side plate.
  5. 5. The automatic pump according to claim 1, further comprising a positioning structure for sliding engagement of the floating member with the pump body, the positioning structure comprising a positioning block provided on one of the inner wall of the floating chamber and the outer wall of the floating member, and a positioning groove provided on the other of the inner wall of the floating chamber and the outer wall of the floating member, the sliding engagement direction of the positioning structure being disposed at an angle to the horizontal direction.
  6. 6. The automatic pump according to claim 5, wherein the control circuit board has a first sensing member and a second sensing member, the first sensing member has a higher level than the second sensing member, and the first sensing member and the second sensing member are aligned in a direction parallel to the sliding fit direction of the positioning structure.
  7. 7. The automatic pump according to claim 6, wherein the floating member has a magnetic portion, the magnetic portion and the first sensing member being located on opposite sides of the partition structure in the horizontal direction in the first position, and the magnetic portion and the second sensing member being located on opposite sides of the partition structure in the horizontal direction in the second position.
  8. 8. The automatic pump according to claim 5, wherein the float has oppositely disposed first and second end walls, the pump body includes a pump housing and a control housing, the locating block is disposed on the first end wall, the locating slot is disposed on the pump housing, and/or, The positioning block is arranged on the second end wall, and the positioning groove is arranged on the control housing.
  9. 9. The automatic pump according to claim 4, wherein the control housing includes a housing coupled to the pump housing, the housing having a mounting opening exposing the floating chamber, and a plug plate detachably coupled to the housing, the plug plate being shielded from the mounting opening.
  10. 10. The automatic pump according to claim 9, wherein the control housing has a communication port communicating with the float chamber, the communication port being provided in the housing and/or the insert plate.

Description

Automatic pump Technical Field The utility model relates to the field of water pumps, in particular to an automatic pump. Background The automatic pump is liquid conveying equipment designed by taking a floating ball mechanical principle as a core, namely, a floating piece moves up and down by utilizing water level change to trigger a control circuit board to control the start and stop of a motor. In the related art, a direct contact mode is adopted between the floating piece and the control circuit board to trigger a control signal, for example, the motor is controlled to be started or the motor is controlled to be closed. However, since the floating member is irregularly moved due to the water level change, poor contact or detachment between the floating member and the control circuit board is very easy to occur, so that the floating member cannot accurately trigger the control signal of the control circuit board. Disclosure of Invention The utility model aims to provide an automatic pump which ensures that a floating member accurately triggers a control signal of a control circuit board. To achieve one of the above objects, an embodiment of the present utility model provides an automatic pump comprising: The pump body is provided with a pump cavity and a floating cavity which are mutually separated; the driving assembly comprises an impeller positioned in the pump cavity and a motor for driving the impeller to rotate; The control assembly comprises a floating piece positioned in the floating cavity and a control circuit board electrically connected with the motor, wherein the floating piece is provided with a first position and a second position with different horizontal heights, and when the floating piece is positioned at the first position and the second position, the control signal of the control circuit board is magnetically triggered by the floating piece; The pump body further comprises a separation structure, and the separation structure is located between the floating piece and the control circuit board. As a further improvement of an embodiment of the utility model, the control circuit board is located in the pump chamber or the floating chamber. As a further improvement of an embodiment of the present utility model, the partition structure is located in the floating cavity and divides the floating cavity into a first cavity and a second cavity, the floating member is located in the first cavity, and the control circuit board is located in the second cavity. As a further improvement of an embodiment of the utility model, the pump body comprises a pump housing forming a pump cavity and a control housing, the partition structure is connected to the control housing, the floating cavity is formed by the pump housing and the control housing in a surrounding manner, the floating piece is provided with a first end wall opposite to the pump housing and a second end wall opposite to the first end wall, the control housing is provided with a side plate opposite to the second end wall, the first end wall is configured to be matched with the pump housing in a cambered surface structure, and/or the second end wall is configured to be matched with the side plate in a cambered surface structure. As a further improvement of an embodiment of the present utility model, the automatic pump further includes a positioning structure for sliding fit between the floating member and the pump body, the positioning structure includes a positioning block disposed on one of the inner wall of the floating chamber and the outer wall of the floating member, and a positioning slot disposed on the other of the inner wall of the floating chamber and the outer wall of the floating member, and the sliding fit direction of the positioning structure is disposed at an angle to the horizontal direction. As a further improvement of an embodiment of the present utility model, the control circuit board has a first sensing element and a second sensing element, wherein the horizontal height of the first sensing element is higher than that of the second sensing element, and the arrangement direction of the first sensing element and the second sensing element is parallel to the sliding fit direction of the positioning structure. As a further improvement of one embodiment of the present utility model, the floating member has a magnetic portion, and in the first position, the magnetic portion and the first sensing member are located on opposite sides of the partition structure along the horizontal direction, and in the second position, the magnetic portion and the second sensing member are located on opposite sides of the partition structure along the horizontal direction. As a further improvement of an embodiment of the utility model, the float has a first end wall and a second end wall which are arranged opposite to each other, the pump body comprises a pump housing and a control housing, the positioning block is arranged on the first end wal