Permanent magnet type water pump

Abstract

The utility model discloses a permanent magnet type water pump which comprises a pump body, a liquid pumping cavity and a valve cavity communicated with the liquid pumping cavity are arranged on the pump body, an impeller for pumping liquid is arranged in the liquid pumping cavity, the liquid pumping cavity is communicated with a liquid inlet channel, and the valve cavity is communicated with a first water outlet channel and a second water outlet channel. The permanent magnet type water pump is provided with the first water outlet channel and the second water outlet channel, water can be drained through the different water outlet channels, different functions can be achieved, and the permanent magnet type water pump is convenient to use and high in practicability. Therefore, the permanent magnet type water pump can be matched with fish tanks of various different structures, flexibility is high, water outflow from the first water outflow channel or the second water outflow channel is adjusted by rotating the valve element part, the adjusting structure is a mechanical structure, the adjusting function can be achieved by manually rotating the valve element part, and compared with the mode that water outflow from different water outflow ends is adjusted through electronic elements, the adjusting structure is more convenient to use. The structure is simple, is convenient to produce and assemble, is low in production cost, is not affected by a circuit board, is not liable to damage, and is longer in service life.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a permanent magnet water pump. Background Art

[0002] With the improvement of people's living standards, fish keeping, as a leisure and entertainment activity, is more and more popular among people. As one of the basic equipment for fish keeping, the maintenance of the internal environment of the fish tank is particularly important. In order to ensure clean water quality and provide sufficient oxygen supply, a water pump is usually required to circulate and filter the water in the fish tank. Although the existing fish tank water pumps can meet the basic usage requirements, there are still problems of inconvenient use in actual applications.

[0003] Currently, the common fish tank water pumps on the market generally have only one water inlet and one water outlet. Generally speaking, the structures of different fish tanks or aquariums are different. A single water outlet is difficult to match various fish tank structures and often needs to be used in combination with a water outlet pipe. At the same time, different fish have different requirements for water flow. Some are suitable for gently flowing water, and some are suitable for dripping water. When switching between different functions with a single water outlet, the position of the water pump needs to be changed accordingly to adjust the position of the water outlet, and the operation is cumbersome.

[0004] The present utility model is made based on the above situation. Summary of the Utility Model

[0005] The utility model overcomes the deficiencies of the prior art and provides a permanent magnet water pump.

[0006] The present utility model is realized through the following technical solutions:

[0007] A permanent magnet water pump, comprising a pump body, a liquid pumping chamber and a valve chamber communicated with the liquid pumping chamber are arranged on the pump body. An impeller for pumping liquid is arranged in the liquid pumping chamber, and a liquid inlet channel is communicated with the liquid pumping chamber. The valve chamber is communicated with a first water outlet channel and a second water outlet channel. A valve core member capable of blocking the first water outlet channel or the second water outlet channel is arranged in the valve chamber. A permanent magnet motor for driving the impeller to rotate is also arranged in the pump body.

[0008] For a permanent magnet water pump as described above, the valve chamber is cylindrical. A first connection port communicated with the first water outlet channel is arranged on the inner wall of the valve chamber, and a second connection port communicated with the second water outlet channel is arranged on the inner wall of the valve chamber. The valve core member is a cylindrical member that matches the inner wall of the valve chamber and has a closed outer end. A liquid distribution chamber communicated with the liquid pumping chamber is arranged in the valve core member, and a liquid distribution port capable of conducting the first water outlet channel or the second water outlet channel with the liquid distribution chamber is arranged on the side wall of the valve core member.

[0009] For a permanent magnet water pump as described above, a protrusion for facilitating the rotation of the valve core member is arranged on the outer end of the valve core member.

[0010] A permanent magnet water pump as described above, a first indication mark for indicating that the liquid distribution port is communicating with the first connection port or the second connection port is provided between the valve core member and the pump body, and a second indication mark for indicating the degree of occlusion of the side wall of the valve core member with respect to the first connection port and the second connection port is also provided between the valve core member and the pump body.

[0011] A permanent magnet water pump as described above, a first limit block extending into the valve cavity is provided inside the bottom of the valve cavity, a second limit block capable of abutting against the first limit block is provided on the inner wall of the valve core member so that the liquid distribution port stays at the position where it is aligned and communicated with the first connection port, and a third limit block capable of abutting against the first limit block is also provided on the inner wall of the valve core member so that the liquid distribution port stays at the position where it is aligned and communicated with the second connection port.

[0012] A permanent magnet water pump as described above, the pump body includes a housing and a cover connected to the upper part of the housing, a cylinder is connected to the lower part of the cover, the cylinder and the housing enclose a valve cavity, and both the first connection port and the second connection port are provided on the side wall of the cylinder.

[0013] A permanent magnet water pump as described above, a water outlet chamber is connected to the side of the cylinder corresponding to the position of the first connection port, and the first water outlet channel penetrates through the water outlet chamber.

[0014] A permanent magnet water pump as described above, the housing includes a lower housing and an upper housing connected to the upper part of the lower housing, the cover is connected to the upper part of the upper housing, a first water outlet cavity is provided on the upper housing, a second water outlet cavity communicated with the first water outlet cavity is provided inside the lower housing, a lower water outlet is provided at the bottom of the second water outlet cavity, and the first water outlet cavity, the second water outlet cavity and the lower water outlet together form a second water outlet channel.

[0015] A permanent magnet water pump as described above, a side water outlet communicated with the first water outlet channel is provided on the side wall of the upper housing.

[0016] A permanent magnet water pump as described above, a suction cup is provided on the side wall of the pump body.

[0017] Compared with the prior art, the present utility model has the following advantages:

[0018] 1. The permanent magnet water pump in this case has a first water outlet channel and a second water outlet channel, and can discharge water through different water outlet channels to achieve different functions, so that the permanent magnet water pump can be adapted to a variety of fish tanks with different structures, and has high flexibility.

[0019] 2. The water output from the first water outlet channel or the second water outlet channel is adjusted by rotating the valve core member. This adjustment structure is a mechanical structure, and the adjustment function can be achieved by manually rotating the valve core member. Compared with adjusting the water output of different water outlets through electronic components, this structure is simple, convenient for production and assembly, has a low production cost, is not affected by the circuit board, is not easily damaged, and has a longer service life.

[0020] 3. A first indication mark for indicating that the liquid distribution port is communicating with the first connection port or the second connection port is provided between the valve core member and the pump body. The valve core member can be rotated according to the indication of the first indication mark to adjust the water output of the water outlet end. A second indication mark for indicating the degree of occlusion of the side wall of the valve core member with respect to the first connection port and the second connection port is also provided between the valve core member and the pump body. That is, the valve core member is rotated through the second indication mark to adjust the size of the connection port, thereby controlling the drainage rate.

[0021] 4. A suction cup is provided on the side wall of the pump body, and the water pump can be connected to the side wall of the fish tank through the suction cup. Description of the Drawings

[0022] The following further describes the specific embodiments of the present invention in conjunction with the drawings, where:

[0023] Figure 1 is the structural schematic diagram of the present invention Figure 1 ;

[0024] Figure 2 is the structural schematic diagram of the present invention Figure 2 ;

[0025] Figure 3 is the cross-sectional schematic diagram of the present invention;

[0026] Figure 4 is the exploded schematic diagram of the present invention;

[0027] Figure 5 is the structural schematic diagram of the liquid distribution port communicating with the second connection port in the present invention;

[0028] Figure 6 is the structural schematic diagram of the liquid distribution port communicating with the first connection port in the present invention;

[0029] Figure 7 is the structural schematic diagram of the valve core member and the cover body in the present invention. Specific Embodiments

[0030] The following further describes the present invention in conjunction with the drawings:

[0031] As Figures 1 to 7A permanent magnet water pump shown in the figure includes a pump body 1. A liquid extraction chamber 11 and a valve chamber 21 communicated with the liquid extraction chamber 11 are provided on the pump body 1. An impeller 3 for liquid extraction is arranged in the liquid extraction chamber 11. The liquid extraction chamber 11 is communicated with a liquid inlet channel 4. The valve chamber 21 is communicated with a first water outlet channel 5 and a second water outlet channel 6. A valve core member 7 capable of blocking the first water outlet channel 5 or the second water outlet channel 6 is arranged in the valve chamber 21. A permanent magnet motor 8 for driving the impeller 3 to rotate is further arranged in the pump body 1. Among them, the permanent magnet motor 8 is a conventional permanent magnet motor on the market and will not be elaborated here.

[0032] The permanent magnet water pump in this case has a first water outlet channel 5 and a second water outlet channel 6, and can drain water through different water outlet channels to achieve different functions, so that the permanent magnet water pump can be adapted to fish tanks with a variety of different structures and has high flexibility. At the same time, by rotating the valve core member 7 to adjust the water outlet from the first water outlet channel 5 or the second water outlet channel 6, this adjustment structure is a mechanical structure, and the adjustment function can be realized by manually rotating the valve core member 7. Compared with adjusting the water outlet of different water outlet ends through electronic components, this structure is simple, convenient for production and assembly, has a low production cost, is not affected by the circuit board, is not easily damaged, and has a longer service life.

[0033] Specifically, the valve chamber 21 is cylindrical. A first connection port 211 communicated with the first water outlet channel 5 is provided on the inner wall of the valve chamber 21. A second connection port 212 communicated with the second water outlet channel 6 is provided on the inner wall of the valve chamber 21. The valve core member 7 is a cylindrical member that matches the inner wall of the valve chamber 21 and has a closed outer end. A liquid distribution chamber 71 communicated with the liquid extraction chamber 11 is arranged in the valve core member 7. A liquid distribution port 72 capable of making the first water outlet channel 5 or the second water outlet channel 6 communicate with the liquid distribution chamber 71 is provided on the side wall of the valve core member 7.

[0034] Further, a protrusion 73 for facilitating the rotation of the valve core member 7 is provided on the outer end of the valve core member 7. The protrusion 73 is triangular and is integrally formed with the valve core member 7. A first indication mark 91 for indicating that the liquid distribution port 72 is communicating with the first connection port 211 or the second connection port 212 is provided between the valve core member 7 and the pump body 1. A second indication mark 92 for indicating the shielding degree of the side wall of the valve core member 7 on the first connection port 211 and the second connection port 212 is also provided between the valve core member 7 and the pump body 1. Specifically, the first indication mark 91 is an indication block or pattern provided on the pump body, and it is prompted by the tip of the protrusion 73 pointing to the first indication mark 91 to indicate which water outlet channel the water comes out from. The second indication mark 92 is a gear indication mark provided on the pump body. The shielding degree of the first connection port 211 or the second connection port 212 is prompted by the gear indication mark, that is, the size of the connection port is reflected by the tip of the protrusion 73 pointing to different gear indication marks, so as to control the drainage rate.

[0035] In some embodiments, a first limiting block 22 extending into the valve cavity 21 is provided inside the bottom of the valve cavity 21. A second limiting block 75 capable of abutting against the first limiting block 22 is provided on the inner wall of the valve element 7 so that the liquid distribution port 72 stays at the position aligned and communicated with the first connection port 211. A third limiting block 74 capable of abutting against the first limiting block 22 is also provided on the inner wall of the valve element 7 so that the liquid distribution port 72 stays at the position aligned and communicated with the second connection port 212. That is, the rotation of the valve element 7 to the maximum gear position of the first connection port 211 is limited by the cooperation of the first limiting block 22 and the second limiting block 75, and the rotation of the valve element 7 to the maximum gear position of the second connection port 212 is limited by the cooperation of the first limiting block 22 and the third limiting block 74. Among them, the first limiting block 22 is integrally formed with the upper housing 14, and the second limiting block 75 and the third limiting block 74 are integrally formed with the valve element 7.

[0036] In some embodiments, the pump body 1 includes a housing and a cover 12 connected to the upper part of the housing. A cylinder 121 is connected to the lower part of the cover 12. The cylinder 121 and the housing enclose a valve cavity 21. The first connection port 211 and the second connection port 212 are both provided on the side wall of the cylinder 121. An outlet chamber 122 is connected to the side of the cylinder 121 corresponding to the position of the first connection port 211. The first water outlet channel 5 penetrates through the outlet chamber 122. Among them, the cylinder 121, the cover 12 and the outlet chamber 122 are integrally injection molded. The first connection port 211 and the second connection port 212 are symmetrically arranged on the side wall of the cylinder 121. In some embodiments, a sealing ring can be provided between the housing and the outer wall of the cylinder 121 to prevent water leakage. A limiting ring 1211 for restricting the valve element 7 from coming out is provided on the cover 121. At the same time, the protrusion 73 extends out of the ring hole of the limiting ring 1211 for the user to twist.

[0037] Further, the housing includes a lower housing 13 and an upper housing 14 connected to the upper part of the lower housing 13. The cover 12 is connected to the upper part of the upper housing 14. A first water outlet cavity 61 is provided on the upper housing 14. A second water outlet cavity 62 communicated with the first water outlet cavity 61 is provided inside the lower housing 13. A lower water outlet 63 is provided at the bottom of the second water outlet cavity 62. The first water outlet cavity 61, the second water outlet cavity 62 and the lower water outlet 63 together form a second water outlet channel 6. A side water outlet 51 communicated with the first water outlet channel 5 is provided on the side wall of the upper housing 14. Among them, the upper housing 14 can be connected to the lower housing 13 through a buckle or other connection structures, and the cover 12 can be connected to the upper housing 14 through a buckle or other connection structures. A grille for reducing the water outlet impact force is provided at the position of the upper housing 14 corresponding to the side water outlet 51. A liquid extraction cavity 11 is provided inside the lower housing 13. The permanent magnet generator is fixedly connected inside the lower housing 13 and the rotating shaft extends into the liquid extraction cavity 11. The impeller 3 is connected to the rotating shaft.

Claims

1. A permanent magnet water pump, characterized in that: It includes a pump body (1), on which a liquid suction chamber (11) and a valve chamber (21) communicating with the liquid suction chamber (11) are provided. An impeller (3) for liquid suction is arranged in the liquid suction chamber (11). The liquid suction chamber (11) is communicated with a liquid inlet channel (4). The valve chamber (21) is communicated with a first water outlet channel (5) and a second water outlet channel (6). A valve core member (7) capable of blocking the first water outlet channel (5) or the second water outlet channel (6) is arranged in the valve chamber (21). A permanent magnet motor (8) for driving the impeller (3) to rotate is also arranged in the pump body (1).

2. A permanent magnet water pump according to claim 1, characterized in that: The valve chamber (21) is cylindrical. A first connection port (211) communicating with the first water outlet channel (5) is arranged on the inner wall of the valve chamber (21). A second connection port (212) communicating with the second water outlet channel (6) is arranged on the inner wall of the valve chamber (21). The valve core member (7) is a cylindrical member that fits with the inner wall of the valve chamber (21) and has a closed outer end. A liquid distribution chamber (71) communicating with the liquid suction chamber (11) is arranged in the valve core member (7). A liquid distribution port (72) capable of conducting the first water outlet channel (5) or the second water outlet channel (6) with the liquid distribution chamber (71) is arranged on the side wall of the valve core member (7).

3. A permanent magnet type water pump according to claim 2, characterized in that: A protrusion (73) facilitating the rotation of the valve core member (7) is arranged on the outer end of the valve core member (7).

4. The permanent magnet type water pump according to claim 3, characterized in that: A first indication mark (91) for indicating that the liquid distribution port (72) is communicating with the first connection port (211) or the second connection port (212) is arranged between the valve core member (7) and the pump body (1). A second indication mark (92) for indicating the shielding degree of the side wall of the valve core member (7) on the first connection port (211) and the second connection port (212) is also arranged between the valve core member (7) and the pump body (1).

5. The permanent magnet type water pump according to claim 4, characterized in that: A first limit block (22) extending into the valve chamber (21) is arranged at the bottom of the valve chamber (21). A second limit block (75) capable of abutting against the first limit block (22) so that the liquid distribution port (72) stays in the position of being aligned and conducting with the first connection port (211) is arranged on the inner wall of the valve core member (7). A third limit block (74) capable of abutting against the first limit block (22) so that the liquid distribution port (72) stays in the position of being aligned and conducting with the second connection port (212) is also arranged on the inner wall of the valve core member (7).

6. A permanent magnet type water pump according to any one of claims 1-5, characterized in that: The pump body (1) includes a housing and a cover body (12) connected to the upper part of the housing. A cylinder body (121) is connected to the lower part of the cover body (12). The cylinder body (121) and the housing enclose the valve chamber (21). The first connection port (211) and the second connection port (212) are both arranged on the side wall of the cylinder body (121).

7. A permanent magnet water pump according to claim 6, characterized in that: An outlet chamber (122) is connected to the side of the cylinder body (121) corresponding to the position of the first connection port (211). The first water outlet channel (5) penetrates through the outlet chamber (122).

8. A permanent magnet type water pump according to claim 7, characterized in that: The housing includes a lower housing (13) and an upper housing (14) connected to the upper part of the lower housing (13). The cover body (12) is connected to the upper part of the upper housing (14). A first water outlet cavity (61) is provided on the upper housing (14). A second water outlet cavity (62) communicating with the first water outlet cavity (61) is provided in the lower housing (13). A lower water outlet (63) is provided at the bottom of the second water outlet cavity (62). The first water outlet cavity (61), the second water outlet cavity (62) and the lower water outlet (63) together form a second water outlet passage (6).

9. A permanent magnet type water pump according to claim 8, characterized in that: A side water outlet (51) communicating with the first water outlet passage (5) is provided on the side wall of the upper housing (14).

10. A permanent magnet water pump according to claim 1, characterized in that: A suction cup (10) is provided on the side wall of the pump body (1).

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