Electronic pressure switch for water pump

By setting up socket boxes and sockets on the water pump housing, the built-in power-on of the electronic pressure switch for the water pump is achieved, solving the problem of easy damage to the external plug, and improving the service life and sealing effect.

CN222883943UActive Publication Date: 2025-05-16TAIZHOU YAODA IND & TRADE
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Patent Information

Application Number
CN202421520288.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-05-16
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

The existing electronic pressure switch for water pumps is powered through the external plug of the wire. The external plug is not easy to store or damage during transportation and use, resulting in a reduced service life.

Method used

An electronic pressure switch for water pump is designed. By setting a socket box and socket on the water pump housing, electronic components such as flow sensors and pressure sensors are placed in the junction box, and the socket is powered up, avoiding damage and water dirt problems of external wire plugs.

Benefits of technology

The powered structure of the socket is avoided to damage the external wire plug during transportation and use, improves the service life of the electronic pressure switch, and enhances the sealing effect to prevent sewage from entering.

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Abstract

The utility model discloses an electronic pressure switch for a water pump, which comprises a water pump shell, a junction box is arranged on the water pump shell, a socket box is arranged on the junction box, a socket is arranged on the socket box, a mounting groove and a mounting hole arranged in the mounting groove are arranged on the socket box, the bottom end of the socket is inserted in the mounting hole, and a mounting lug plate is arranged on the side wall of the socket. And the mounting lug plates are locked in the mounting grooves through locking pieces. According to the scheme, the problems that a wire plug needing to be externally connected is damaged due to the fact that the wire plug is not easy to store in the transportation and use process of the water pump and a circuit is damaged during power supply due to the fact that the plug is externally arranged and is prone to being stained with water are solved through a socket electrifying structure, electrifying ports of electronic elements in the junction box are internally arranged through the socket, and no wire or other parts are externally arranged outside the junction box; and the service life of the electronic pressure switch is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to an electronic pressure switch for a water pump. Background Art

[0002] In the existing water pump technology field, an electronic pressure switch is generally installed on the water pump, and the electronic pressure switch is composed of a flow sensor and a pressure sensor. The electronic pressure switch on the existing water pump includes a junction box installed on the water pump housing, and the flow sensor and the pressure sensor are placed in the junction box, and a plug is connected to the side wall of the junction box through wires. The wires and the plug are placed outside the water pump and the electronic pressure switch, which is not easy to store during transportation and handling, and the wires are easily damaged; and the plug is exposed outside the water pump and is easily wet, causing problems such as circuit damage when power is turned on.

[0003] For example, Chinese patent publication number CN207539016U, publication date June 26, 2018, named "Water pump with electronic pressure switch", includes a water pump, a junction box is connected to the water pump and a pressure sensor is provided in the junction box, a flow sensor is also connected to the water pump, the pressure sensor and the flow sensor are respectively connected to the junction box through lines, an arched partition is provided in the junction box, and the partition divides the interior of the junction box into two chambers, a pressure sensor is fixed in one of the chambers, an inner circuit board electrically connected to the pressure sensor is provided in the other chamber, and the circuit is connected to the inner circuit board, a power cord is connected to the inner circuit board, the outer end of which passes through one side of the junction box, and an arc-shaped positioning concave surface matching the water pump housing is provided at the bottom of the junction box.

[0004] The disadvantages of the existing patents are that the existing electronic pressure switch for water pumps is powered by an external plug of wires, and the external plug is difficult to store and easily damaged during transportation and use, which reduces the service life of the electronic pressure switch. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the existing electronic pressure switch for a water pump is powered by an external plug of an electric wire, and the external plug is difficult to store and easily damaged during transportation and use, and to provide an electronic pressure switch for a water pump that is not easily damaged during transportation and use of the water pump and has a longer service life.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An electronic pressure switch for a water pump includes a water pump housing, a junction box is provided on the water pump housing, a socket box is provided on the junction box, a socket is provided on the socket box, a mounting groove and a mounting hole provided in the mounting groove are provided on the socket box, the bottom end of the socket is inserted in the mounting hole, and a mounting ear plate is provided on the side wall of the socket, and the mounting ear plate is locked in the mounting groove by a locking member. In the electronic pressure switch for a water pump described in this scheme, electronic components such as a flow sensor and a pressure sensor are placed in the junction box, and the socket is connected to power. A socket box is provided on the junction box, and the socket is provided on the socket box. The electronic components in the junction box are connected to the bottom end of the socket, and the socket includes a socket body and a rotating cover rotatably provided on the socket body. The socket box is used to support the installation of the socket. The structure of the socket power supply avoids the problem that the external wire plug is not easy to be stored during the transportation and use of the water pump and is damaged, and the plug is easily wetted by water, which causes the circuit to be damaged during power supply. The socket makes the power supply port of the electronic components in the junction box built-in, and no parts such as wires are externally placed outside the junction box, thereby improving the service life of the electronic pressure switch.

[0008] Preferably, a seal is provided between the mounting ear plate and the mounting groove, and the seal is sleeved on the socket. The seal is used to seal the connection between the socket and the socket box to prevent sewage in the external environment from entering the junction box.

[0009] Preferably, one end of the mounting hole is connected to the outside of the socket box, and the other end is connected to the inside of the junction box. The socket is connected to the electronic components in the junction box through the mounting hole.

[0010] Preferably, an annular sealing groove is provided in the mounting groove, an annular sealing portion is provided on the sealing member, and the annular sealing groove and the annular sealing portion cooperate with each other. The annular sealing groove is sleeved on the outer end of the mounting hole, and the annular sealing portion is sleeved on the bottom end of the socket.

[0011] Preferably, a drain port is provided on the side wall of the mounting groove, the drain port communicates with the inner wall of the mounting groove and the outer wall of the socket box, and communicates with the side wall of the seal to prevent water accumulation between the mounting groove and the seal from corroding the seal.

[0012] Preferably, the junction box comprises a junction box body and a sealing cover arranged on the junction box body, the socket box is located on the sealing cover, and the mounting hole is communicated with the inner wall of the sealing cover. The junction box body is integrally formed with the water pump housing, and the socket box and the sealing cover are integrally formed, which is convenient for arranging parts such as electronic components and wiring boards in the junction box, and the sealing cover and the socket box are integrally formed, which has a simple structure and is convenient for production.

[0013] Preferably, two annular first sealing parts are provided on the opening edge of the junction box body, the two first sealing parts constitute a first sealing groove, and the edge of the sealing cover is inserted into the first sealing groove. The first sealing parts play a sealing role to improve the sealing effect of the junction box.

[0014] Preferably, the edge of the sealing cover is provided with two annular second sealing parts, the two second sealing parts constitute a second sealing groove, the second sealing part located outside the sealing cover is inserted into the first sealing groove, and the first sealing part located inside the junction box body is inserted into the second sealing groove. The first sealing part cooperates with the second sealing part to further improve the sealing effect of the junction box.

[0015] Preferably, the bottom of the installation groove is inclined, and the drain port is located at the lowest end of the bottom of the installation groove. The bottom of the installation groove is inclined and arranged with the drain port to facilitate the drainage of accumulated water in the installation groove.

[0016] Preferably, a weight-reducing groove is provided at one end of the socket box facing the junction box, and the weight-reducing groove faces the interior of the junction box. The weight-reducing groove is used to reduce the weight of the plug socket and the sealing cover, and saves production costs.

[0017] Therefore, the utility model has the following beneficial effects: the structure of power supply through the socket avoids the problem that the external wire plug is damaged during the transportation and use of the water pump because it is difficult to store, and the external plug is easy to get wet and cause circuit damage during power supply. The socket makes the power supply port of the electronic components in the junction box built-in, and there are no wires and other parts outside the junction box, thereby improving the service life of the electronic pressure switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the second embodiment of the utility model without the socket.

[0020] Figure 3 It is a cross-sectional view of the second embodiment of the present utility model.

[0021] Figure 4 It is a structural schematic diagram of the third embodiment of the utility model without the socket.

[0022] Figure 5 It is a structural schematic diagram of the sealing gasket in the third embodiment of the present utility model.

[0023] As shown in the figure:

[0024] Water pump housing 1.

[0025] Junction box 2, junction box body 2.1, first sealing part 2.1.1, sealing cover 2.2, second sealing part 2.2.1,

[0026] Socket box 3, mounting groove 3.1, annular sealing groove 3.1.1, drain port 3.1.2, mounting hole 3.2,

[0027] Socket 4, mounting ear plate 4.1,

[0028] Seal 5, annular seal 5.1. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the technical solution embodiments of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0030] Embodiment 1, as Figure 1 An electronic pressure switch for a water pump is shown, comprising a water pump housing 1, a junction box 2 is provided on the water pump housing 1, a socket 4 box 3 is provided on the junction box 2, a socket 4 is provided on the socket 4 box 3, a mounting groove 3.1 and a mounting hole 3.2 arranged in the mounting groove 3.1 are provided on the socket 4 box 3, the bottom end of the socket 4 is inserted in the mounting hole 3.2, a mounting ear plate 4.1 is provided on the side wall of the socket 4, and the mounting ear plate 4.1 is locked in the mounting groove 3.1 by a locking member.

[0031] In the electronic pressure switch for a water pump described in the above embodiment, electronic components such as a flow sensor and a pressure sensor are placed in a junction box 2, and are connected to a socket 4 for power supply. A socket 4 box 3 is provided on the junction box 2, and the socket 4 is provided on the socket 4 box 3. The electronic components located in the junction box 2 are connected to the bottom end of the socket 4, and the socket 4 includes a socket 4 body and a rotating cover rotatably provided on the socket 4 body. The socket 4 box 3 is used to support and install the socket 4. The structure of power supply through the socket 4 avoids the problem that the external wire plug is not easy to be stored during the transportation and use of the water pump, and the problem that the external plug is easy to get wet and cause circuit damage during power supply is avoided. The socket 4 makes the power supply port of the electronic components in the junction box 2 built-in, and no parts such as wires are externally provided outside the junction box 2, thereby improving the service life of the electronic pressure switch. The existing electronic pressure switch for a water pump is powered by an external wire plug, and the external plug is not easy to be stored and is easy to be damaged during transportation and use, thereby reducing the service life of the electronic pressure switch.

[0032] In this embodiment, one end of the mounting hole 3.2 is connected to the outside of the socket 4 box 3, and the other end is connected to the inside of the junction box 2. The socket 4 is connected to the electronic components in the junction box 2 through the mounting hole 3.2.

[0033] Specifically, Figure 1As shown, the junction box 2 includes a junction box body 2.1 and a sealing cover 2.2 disposed on the junction box body 2.1, the socket 4 box 3 is located on the sealing cover 2.2, and the mounting hole 3.2 is communicated with the inner wall of the sealing cover 2.2. The junction box body 2.1 is integrally formed with the water pump housing 1, the socket 4 box 3 and the sealing cover 2.2 are integrally formed, which facilitates the arrangement of electronic components, wiring boards and other parts in the junction box 2, and the sealing cover 2.2 and the socket 4 box 3 are integrally formed, with a simple structure and convenient production.

[0034] The junction box body 2.1 is further optimized, and two annular first sealing parts 2.1.1 are provided on the opening edge of the junction box body 2.1, and the two first sealing parts 2.1.1 form a first sealing groove, and the edge of the sealing cover 2.2 is inserted into the first sealing groove. The first sealing parts 2.1.1 play a sealing role, improving the sealing effect of the junction box 2.

[0035] The sealing cover 2.2 is further optimized, and two annular second sealing parts 2.2.1 are provided at the edge of the sealing cover 2.2, and the two second sealing parts 2.2.1 constitute a second sealing groove, and the second sealing part 2.2.1 located on the outside of the sealing cover 2.2 is inserted into the first sealing groove, and the first sealing part 2.1.1 located on the inside of the junction box body 2.1 is inserted into the second sealing groove. The first sealing part 2.1.1 cooperates with the second sealing part 2.2.1 to further improve the sealing effect of the junction box 2.

[0036] Furthermore, a weight-reducing groove is provided at one end of the socket 4 box 3 facing the junction box 2, and the weight-reducing groove faces the inside of the junction box 2. The weight-reducing groove is used to reduce the weight of the plug socket and the sealing cover 2.2, and saves production costs.

[0037] Embodiment 2, as Figure 2 , Figure 3 An electronic pressure switch for a water pump is shown, comprising a water pump housing 1, a junction box 2 is provided on the water pump housing 1, a socket 4 box 3 is provided on the junction box 2, a socket 4 is provided on the socket 4 box 3, a mounting groove 3.1 and a mounting hole 3.2 arranged in the mounting groove 3.1 are provided on the socket 4 box 3, the bottom end of the socket 4 is inserted in the mounting hole 3.2, a mounting ear plate 4.1 is provided on the side wall of the socket 4, and the mounting ear plate 4.1 is locked in the mounting groove 3.1 by a locking member.

[0038] In this implementation, if Figure 2 , Figure 3 A seal 5 is provided between the mounting ear plate 4.1 and the mounting groove 3.1, and the seal 5 is sleeved on the socket 4. The seal 5 is used to seal the connection between the socket 4 and the socket box 3 to prevent sewage in the external environment from entering the junction box 2.

[0039] Furthermore, the installation slot 3.1 is optimized, such as Figure 2 As shown, a drain port 3.1.2 is provided on the side wall of the mounting groove 3.1, and the drain port 3.1.2 communicates with the inner wall of the mounting groove 3.1 and the outer wall of the socket 4 box 3. The drain port 3.1.2 communicates with the side wall of the sealing member 5 to prevent water from accumulating between the mounting groove 3.1 and the sealing member 5, thereby preventing the sealing member 5 from corroding.

[0040] Further, the installation groove 3.1 is optimized, the groove bottom of the installation groove 3.1 is tilted, and the drain port 3.1.2 is located at the lowest end of the groove bottom of the installation groove 3.1. The groove bottom of the installation groove 3.1 is tilted and arranged with the drain port 3.1.2, so as to facilitate the drainage of the accumulated water in the installation groove 3.1.

[0041] In the electronic pressure switch for a water pump described in the above embodiment, electronic components such as a flow sensor and a pressure sensor are placed in a junction box 2, and are connected to a socket 4 for power supply. A socket 4 box 3 is provided on the junction box 2, and the socket 4 is provided on the socket 4 box 3. The electronic components located in the junction box 2 are connected to the bottom end of the socket 4, and the socket 4 includes a socket 4 body and a rotating cover rotatably provided on the socket 4 body. The socket 4 box 3 is used to support and install the socket 4. The structure of power supply through the socket 4 avoids the problem that the external wire plug is not easy to be stored during the transportation and use of the water pump, and the problem that the external plug is easy to get wet and cause circuit damage during power supply is avoided. The socket 4 makes the power supply port of the electronic components in the junction box 2 built-in, and no parts such as wires are externally provided outside the junction box 2, thereby improving the service life of the electronic pressure switch. The existing electronic pressure switch for a water pump is powered by an external wire plug, and the external plug is not easy to be stored and is easy to be damaged during transportation and use, thereby reducing the service life of the electronic pressure switch.

[0042] In this embodiment, one end of the mounting hole 3.2 is connected to the outside of the socket 4 box 3, and the other end is connected to the inside of the junction box 2. The socket 4 is connected to the electronic components in the junction box 2 through the mounting hole 3.2.

[0043] Specifically, Figure 1 As shown, the junction box 2 includes a junction box body 2.1 and a sealing cover 2.2 disposed on the junction box body 2.1, the socket 4 box 3 is located on the sealing cover 2.2, and the mounting hole 3.2 is communicated with the inner wall of the sealing cover 2.2. The junction box body 2.1 is integrally formed with the water pump housing 1, the socket 4 box 3 and the sealing cover 2.2 are integrally formed, which facilitates the arrangement of electronic components, wiring boards and other parts in the junction box 2, and the sealing cover 2.2 and the socket 4 box 3 are integrally formed, with a simple structure and convenient production.

[0044] The junction box body 2.1 is further optimized, and two annular first sealing parts 2.1.1 are provided on the opening edge of the junction box body 2.1, and the two first sealing parts 2.1.1 form a first sealing groove, and the edge of the sealing cover 2.2 is inserted into the first sealing groove. The first sealing parts 2.1.1 play a sealing role, improving the sealing effect of the junction box 2.

[0045] The sealing cover 2.2 is further optimized, and two annular second sealing parts 2.2.1 are provided at the edge of the sealing cover 2.2, and the two second sealing parts 2.2.1 constitute a second sealing groove, and the second sealing part 2.2.1 located on the outside of the sealing cover 2.2 is inserted into the first sealing groove, and the first sealing part 2.1.1 located on the inside of the junction box body 2.1 is inserted into the second sealing groove. The first sealing part 2.1.1 cooperates with the second sealing part 2.2.1 to further improve the sealing effect of the junction box 2.

[0046] Furthermore, a weight-reducing groove is provided at one end of the socket 4 box 3 facing the junction box 2, and the weight-reducing groove faces the inside of the junction box 2. The weight-reducing groove is used to reduce the weight of the plug socket and the sealing cover 2.2, and saves production costs.

[0047] Embodiment three, as Figure 4 , Figure 5 An electronic pressure switch for a water pump is shown, comprising a water pump housing 1, a junction box 2 is provided on the water pump housing 1, a socket 4 box 3 is provided on the junction box 2, a socket 4 is provided on the socket 4 box 3, a mounting groove 3.1 and a mounting hole 3.2 arranged in the mounting groove 3.1 are provided on the socket 4 box 3, the bottom end of the socket 4 is inserted in the mounting hole 3.2, a mounting ear plate 4.1 is provided on the side wall of the socket 4, and the mounting ear plate 4.1 is locked in the mounting groove 3.1 by a locking member.

[0048] In this implementation, if Figure 2 , Figure 3 A seal 5 is provided between the mounting ear plate 4.1 and the mounting groove 3.1, and the seal 5 is sleeved on the socket 4. The seal 5 is used to seal the connection between the socket 4 and the socket box 3 to prevent sewage in the external environment from entering the junction box 2.

[0049] The seal 5 and the mounting groove 3.1 are further optimized, such as Figure 4 , Figure 5 As shown, the mounting groove 3.1 is provided with an annular sealing groove 3.1.1, the sealing member 5 is provided with an annular sealing portion 5.1, the annular sealing groove 3.1.1 and the annular sealing portion 5.1 cooperate with each other. The annular sealing groove 3.1.1 is sleeved on the outer end of the mounting hole 3.2, and the annular sealing portion 5.1 is sleeved on the bottom end of the socket 4.

[0050] In the electronic pressure switch for a water pump described in the above embodiment, electronic components such as a flow sensor and a pressure sensor are placed in a junction box 2, and are connected to a socket 4 for power supply. A socket 4 box 3 is provided on the junction box 2, and the socket 4 is provided on the socket 4 box 3. The electronic components located in the junction box 2 are connected to the bottom end of the socket 4, and the socket 4 includes a socket 4 body and a rotating cover rotatably provided on the socket 4 body. The socket 4 box 3 is used to support and install the socket 4. The structure of power supply through the socket 4 avoids the problem that the external wire plug is not easy to be stored during the transportation and use of the water pump, and the problem that the external plug is easy to get wet and cause circuit damage during power supply is avoided. The socket 4 makes the power supply port of the electronic components in the junction box 2 built-in, and no parts such as wires are externally provided outside the junction box 2, thereby improving the service life of the electronic pressure switch. The existing electronic pressure switch for a water pump is powered by an external wire plug, and the external plug is not easy to be stored and is easy to be damaged during transportation and use, thereby reducing the service life of the electronic pressure switch.

[0051] In this embodiment, one end of the mounting hole 3.2 is connected to the outside of the socket 4 box 3, and the other end is connected to the inside of the junction box 2. The socket 4 is connected to the electronic components in the junction box 2 through the mounting hole 3.2.

[0052] Specifically, Figure 1 As shown, the junction box 2 includes a junction box body 2.1 and a sealing cover 2.2 disposed on the junction box body 2.1, the socket 4 box 3 is located on the sealing cover 2.2, and the mounting hole 3.2 is communicated with the inner wall of the sealing cover 2.2. The junction box body 2.1 is integrally formed with the water pump housing 1, the socket 4 box 3 and the sealing cover 2.2 are integrally formed, which facilitates the arrangement of electronic components, wiring boards and other parts in the junction box 2, and the sealing cover 2.2 and the socket 4 box 3 are integrally formed, with a simple structure and convenient production.

[0053] The junction box body 2.1 is further optimized, and two annular first sealing parts 2.1.1 are provided on the opening edge of the junction box body 2.1, and the two first sealing parts 2.1.1 form a first sealing groove, and the edge of the sealing cover 2.2 is inserted into the first sealing groove. The first sealing parts 2.1.1 play a sealing role, improving the sealing effect of the junction box 2.

[0054] The sealing cover 2.2 is further optimized, and two annular second sealing parts 2.2.1 are provided at the edge of the sealing cover 2.2, and the two second sealing parts 2.2.1 constitute a second sealing groove, and the second sealing part 2.2.1 located on the outside of the sealing cover 2.2 is inserted into the first sealing groove, and the first sealing part 2.1.1 located on the inside of the junction box body 2.1 is inserted into the second sealing groove. The first sealing part 2.1.1 cooperates with the second sealing part 2.2.1 to further improve the sealing effect of the junction box 2.

[0055] Furthermore, a weight-reducing groove is provided at one end of the socket 4 box 3 facing the junction box 2, and the weight-reducing groove faces the inside of the junction box 2. The weight-reducing groove is used to reduce the weight of the plug socket and the sealing cover 2.2, and saves production costs.

[0056] In summary, Embodiment 1, Embodiment 2 and Embodiment 3 have the following beneficial effects: the structure of power supply through the socket 4 avoids the problem that the external wire plug is damaged during the transportation and use of the water pump due to difficulty in storage, and the external plug is easily stained with water, causing damage to the circuit during power supply. The socket 4 makes the power supply port of the electronic components in the junction box 2 built-in, and no wires and other parts are placed outside the junction box 2, thereby improving the service life of the electronic pressure switch.

[0057] The specific embodiments described above are only preferred implementations of the present invention, and are not intended to limit the specific implementation scope of the present invention. All equivalent changes made in accordance with the shape and structure of the present invention should be included in the protection scope of the present invention.

Claims

1. An electronic pressure switch for a water pump, comprising a water pump housing, characterized in that: The water pump housing is provided with a junction box, the junction box is provided with a socket box, the socket box is provided with a socket, the socket box is provided with a mounting groove and a mounting hole arranged in the mounting groove, the bottom end of the socket is inserted in the mounting hole, and a mounting ear plate is provided on the side wall of the socket, and the mounting ear plate is locked in the mounting groove by a locking piece.

2. The electronic pressure switch for a water pump according to claim 1, characterized in that: A sealing member is arranged between the mounting ear plate and the mounting groove, and the sealing member is sleeved on the socket.

3. An electronic pressure switch for a water pump according to claim 1 or 2, characterized in that: One end of the mounting hole is communicated with the outside of the socket box, and the other end is communicated with the inside of the junction box.

4. The electronic pressure switch for a water pump according to claim 2, characterized in that: An annular sealing groove is arranged in the installation groove, an annular sealing portion is arranged on the sealing member, and the annular sealing groove and the annular sealing portion cooperate with each other.

5. An electronic pressure switch for a water pump according to claim 1, 2 or 4, characterized in that: A drainage port is arranged on the side wall of the installation groove, and the drainage port is connected with the inner wall of the installation groove and the outer wall of the socket box.

6. An electronic pressure switch for a water pump according to claim 1, 2 or 4, characterized in that: The junction box comprises a junction box body and a sealing cover arranged on the junction box body, the socket box is located on the sealing cover, and the mounting hole is communicated with the inner wall of the sealing cover.

7. The electronic pressure switch for a water pump according to claim 6, characterized in that: Two annular first sealing parts are arranged on the opening edge of the junction box body, and the two first sealing parts constitute a first sealing groove, and the edge of the sealing cover is inserted into the first sealing groove.

8. The electronic pressure switch for a water pump according to claim 7, characterized in that: The edge of the sealing cover is provided with two annular second sealing parts, which constitute a second sealing groove. The second sealing part located outside the sealing cover is inserted into the first sealing groove, and the first sealing part located inside the junction box body is inserted into the second sealing groove.

9. The electronic pressure switch for a water pump according to claim 5, characterized in that: The bottom of the installation groove is inclined, and the drain port is located at the lowest end of the bottom of the installation groove.

10. An electronic pressure switch for a water pump according to claim 1, 2 or 4, characterized in that: A weight-reducing groove is provided at one end of the socket box facing the junction box, and the weight-reducing groove faces the interior of the junction box.

Citation Information

Patent Citations

  • Electrified sub - pressure switch's water pump

    CN207539016U