CN217813997U

CN217813997U - Mixed-flow water pump of disc type motor

Info

Publication number: CN217813997U
Application number: CN202221311846.3U
Authority: CN
Inventors: 丁厚宁; 胡万昭
Original assignee: Hefei Yinghard Intelligent Equipment Manufacturing Co ltd
Current assignee: Hefei Yinghard Intelligent Equipment Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-15
Anticipated expiration: 2032-05-26

Abstract

The utility model discloses a mixed-flow water pump of a disc type motor, which comprises a disc type permanent magnet motor, a mixed-flow impeller, a pump shell and a connecting flange; the pump comprises a pump shell, a connecting flange and a disc type permanent magnet motor, wherein the pump shell is internally provided with a mixed flow cavity and a water channel cavity which are mutually communicated, the connecting flange is arranged at the position of the pump shell corresponding to the mixed flow cavity, the mixed flow type impeller is positioned in the mixed flow cavity, the disc type permanent magnet motor is fixed on the connecting flange, and an output shaft of the disc type permanent magnet motor is fixedly connected with the mixed flow type impeller. The utility model discloses it is less to help solving current mixed flow pump's discharge capacity, and it is long to accomplish the required time of drainage under the operating condition of emergent drainage, is unfavorable for the problem of going on that drainage work is good and fast again.

Description

Mixed-flow water pump of disc type motor

Technical Field

The utility model relates to a mixed flow pump technical field, specifically speaking relate to a disc motor mixed flow water pump.

Background

The mixed flow pump is a pump between a centrifugal pump and an axial flow pump, has a higher rotating speed than the centrifugal pump and a lower rotating speed than the axial flow pump, is generally between 300 and 500, has a higher lift than the axial flow pump, but has a smaller flow rate than the axial flow pump and a larger flow rate than the centrifugal pump, and is usually applied to a water treatment system.

In current mixed flow pump, the actuating device of the pump body adopts general ordinary motor, and the discharge capacity of water pump is less, accomplishes the required time of drainage long under the operating condition of emergent drainage, is unfavorable for the operation of drainage and carries on well and fast again.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a disk motor mixed flow water pump that displacement is big than ordinary mixed flow pump is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme: a mixed-flow water pump of a disc type motor comprises a disc type permanent magnet motor, a mixed-flow impeller, a pump shell and a connecting flange;

the pump comprises a pump shell, a connecting flange and a disc type permanent magnet motor, wherein the pump shell is internally provided with a mixed flow cavity and a water channel cavity which are mutually communicated, the connecting flange is arranged at the position of the pump shell corresponding to the mixed flow cavity, the mixed flow type impeller is positioned in the mixed flow cavity, the disc type permanent magnet motor is fixed on the connecting flange, and an output shaft of the disc type permanent magnet motor is fixedly connected with the mixed flow type impeller.

Furthermore, the pump shell is in a volute shape, a water inlet of the pump shell is located on one side of the pump shell and extends outwards, a water outlet of the pump shell is located on the other side of the pump shell, the water inlet and the water outlet are not located in the same horizontal plane, the water inlet is communicated with the mixed flow cavity, and the water outlet is communicated with the water channel cavity.

Furthermore, the diameter of the cavity of the water channel cavity is gradually increased along the water flow direction.

Furthermore, a mounting opening is formed in the position, corresponding to the mixing cavity, of the pump shell, and the connecting flange comprises a first connecting part and a second connecting part which are connected with each other;

the first connecting portion is fixedly connected with the side wall of the mounting opening, a through groove is formed in the first connecting portion, the mixed-flow impeller comprises a blade portion and a wheel shaft connected with the blade portion, the wheel shaft penetrates through the through groove and can rotate in the through groove, the disc-type permanent magnet motor is fixed on the second connecting portion, and an output shaft of the disc-type permanent magnet motor is fixedly connected with the wheel shaft.

Furthermore, a through shaft hole is formed in the wheel shaft, an output shaft of the disc type permanent magnet motor extends into the shaft hole, and at least one flat key is arranged between the output shaft of the disc type permanent magnet motor and the shaft hole.

Further, still include the skeleton oil blanket, set up on the first connecting portion with wear the first mounting groove that the groove is linked together, the skeleton oil blanket sets up in the first mounting groove and the cover is established the outside of shaft.

Furthermore, the disc type permanent magnet motor further comprises a pin shaft, a groove is formed in an output shaft of the disc type permanent magnet motor, and one end of the pin shaft penetrates through a shaft hole of the wheel shaft and is inserted into the groove.

Furthermore, the wheel shaft sealing device further comprises a sealing seat, a second mounting groove is formed in one side, corresponding to the mixed flow cavity, of the first connecting portion, the second mounting groove is communicated with the penetrating groove and the first mounting groove, and the sealing seat is arranged in the second mounting groove and sleeved on the outer side of the wheel shaft.

Furthermore, a plurality of mounting blocks are arranged at the positions of the pump shell corresponding to the mounting openings, a plurality of connecting blocks are arranged around the second connecting portion, and the plurality of connecting blocks are fixedly connected with the plurality of mounting blocks in a one-to-one correspondence manner.

Furthermore, a plurality of flanges are arranged on a shell of the disc type permanent magnet motor, and the plurality of flanges are fixedly connected with the second connecting portion.

The beneficial effects of the utility model embody:

the utility model discloses disc motor mixed flow water pump is provided with disc permanent-magnet machine, the mixed-flow impeller, pump case and flange, flange connects disc permanent-magnet machine on the pump case, a mixed-flow impeller for the drive is in the pump case rotates, the rivers get into the water course chamber through the mixed-flow chamber and discharge, disc permanent-magnet machine is as power driving disk formula motor by the lithium electricity, waterproof function has, wholly can wade into in the water, and small, light in weight, torque density is 2 times of ordinary motor, the availability factor is also higher than ordinary motor, when being used for driving the mixed-flow impeller, rivers get into the mixed-flow intracavity, the back is at the water course intracavity flow with higher speed, make displacement increase, the structure of mixed-flow impeller simultaneously, can satisfy the lift requirement of the emergent drainage in city, also can satisfy the requirement of the water discharge under corresponding lift.

Drawings

Fig. 1 is a structural schematic diagram of the mixed-flow water pump of the disc motor of the present invention;

FIG. 2 is a top view of the mixed flow water pump structure of the disc motor of the present invention;

fig. 3 is a cross sectional view of the structure of the mixed-flow water pump of the disc motor of the present invention;

fig. 4 is a cross sectional view of the structure of the mixed-flow water pump of the disc motor of the present invention;

fig. 5 is an enlarged view of a portion a of fig. 4.

The components in the drawings are labeled as follows: 1. a disc-type permanent magnet motor; 101. a groove; 102. a flange; 2. a mixed-flow impeller; 201. a blade section; 202. a wheel axle; 2021. a shaft hole; 3. a pump housing; 301. an installation port; 302. mounting a block; 4. a connecting flange; 401. a first connection portion; 4011. Penetrating a groove; 4012. a first mounting groove; 4013. a second mounting groove; 402. a second connecting portion; 4021. connecting blocks; 5. a flat bond; 6. framework oil seal; 7. a sealing seat; 8. a pin shaft; a. A mixing chamber; B. a waterway cavity; C. a water inlet; D. and (7) a water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if the present invention relates to directional indications such as up, down, left, right, front, back, 82308230, 8230, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

See fig. 1-5.

The utility model discloses a disc type motor mixed-flow water pump, which comprises a disc type permanent magnet motor 1, a mixed-flow impeller 2, a pump shell 3 and a connecting flange 4;

the pump comprises a pump shell 3, and is characterized in that a mixed flow cavity A and a water channel cavity B which are mutually communicated are arranged in the pump shell 3, a connecting flange 4 is arranged at the position of the pump shell 3 corresponding to the mixed flow cavity A, a mixed flow impeller 2 is positioned in the mixed flow cavity A, a disc type permanent magnet motor 1 is fixed on the connecting flange 4, and an output shaft of the disc type permanent magnet motor 1 is fixedly connected with the mixed flow impeller 2.

The utility model discloses disc motor mixed flow water pump is provided with disc permanent-magnet machine 1, mixed-flow impeller 2, pump case 3 and flange 4, flange 4 connects disc permanent-magnet machine 1 on pump case 3, be used for driving mixed-flow impeller 2 in pump case 3 and rotate, rivers get into water course chamber B through mixed-flow chamber A and discharge, disc permanent-magnet machine 1 is by the lithium electricity as power driving dish formula motor, the waterproof function has, wholly can wade in the water, and small, light in weight, torque density is 2 times of ordinary motor, the availability factor also is higher than ordinary motor, when being used for driving mixed-flow impeller 2, rivers get into mixed-flow chamber A, flow with higher speed in water course chamber B afterwards, make displacement increase, mixed-flow impeller 2's structural feature simultaneously, can satisfy the emergent flood drainage in city's lift requirement, also can satisfy the requirement at corresponding lift volume down.

In an embodiment, the pump case 3 is in a volute shape, the water inlet C of the pump case 3 is located on one side of the pump case 3 and extends outward, the water outlet D of the pump case 3 is located on the other side of the pump case 3, the water inlet C and the water outlet D are not located in the same horizontal plane, the water inlet C is communicated with the mixed flow cavity a, and the water outlet D is communicated with the water channel cavity B. Design like this, through the structural feature of volute form, can further accelerate the exhaust velocity of rivers, and in this embodiment, water inlet C is located the bottom of pump case 3, and delivery port D is located the one side top of the corresponding water inlet C of pump case 3.

In one embodiment, the cavity diameter of the waterway cavity B is gradually increased along the water flow direction. By the design, the discharge capacity and the discharge speed of the water pump are increased by matching with the volute structure of the pump shell 3.

In an embodiment, the pump housing 3 is provided with a mounting opening 301 at a position corresponding to the mixing cavity a, and the connecting flange 4 includes a first connecting portion 401 and a second connecting portion 402 that are connected to each other;

the first connecting portion 401 is fixedly connected to a side wall of the mounting opening 301, a through groove 4011 is formed in the first connecting portion 401, the mixed-flow impeller 2 includes a blade portion 201 and a wheel shaft 202 connected to the blade portion 201, the wheel shaft 202 is inserted into the through groove 4011 and can rotate in the through groove 4011, the disc-type permanent magnet motor 1 is fixed to the second connecting portion 402, and an output shaft of the disc-type permanent magnet motor 1 is fixedly connected to the wheel shaft 202. By means of the design, the connecting flange 4 is divided into two parts to be respectively connected with the pump shell 3 and the disc type permanent magnet motor 1, so that the mounting and fixing effects are good, and the mounting is convenient.

In an embodiment, a through-hole 2021 is formed inside the axle 202, the output shaft of the disc type permanent magnet motor 1 extends into the through-hole 2021, and at least one flat key 5 is disposed between the output shaft of the disc type permanent magnet motor 1 and the through-hole 2021. By the design, the wheel shaft 202 is connected with the output shaft of the disc type permanent magnet motor 1 through the flat keys 5, the structure is simple, the assembly and disassembly are convenient, the centering performance is good, the disc type permanent magnet motor is suitable for occasions with high speed, load variation and impact bearing, and in the embodiment, the two flat keys 5 are respectively positioned on two sides of the output shaft of the disc type permanent magnet motor 1.

In an embodiment, the wheel axle further comprises a framework oil seal 6, a first mounting groove 4012 communicated with the through groove 4011 is formed in the first connecting portion 401, and the framework oil seal 6 is arranged in the first mounting groove 4012 and sleeved on the outer side of the wheel axle 202. Design like this, the location installation of the skeleton oil blanket 6 of being convenient for through first mounting groove 4012, the skeleton oil blanket 6 of setting can closely be fixed between the output shaft of shaft 202, parallel key 5 and disk permanent-magnet machine 1.

In an embodiment, the disc-type permanent magnet motor further includes a pin shaft 8, a groove 101 is formed in the output shaft of the disc-type permanent magnet motor 1, and one end of the pin shaft 8 penetrates through a shaft hole 2021 of the wheel shaft 202 and is inserted into the groove 101. Design like this, rethread round pin axle 8 carries out the secondary and fixes for axle 202 is fixed firm with disk permanent-magnet machine 1's output shaft, and in this embodiment, the round pin axle 8 of setting is for taking cap round pin axle 8, and the shaft hole 2021 that sets up is the big one end of one end little, and under the connected state, the cap body of round pin axle 8 is located the great end of shaft hole 2021, and the axis body of round pin axle 8 stretches into the less end and the recess 101 grafting cooperation in shaft hole 2021.

In an embodiment, the wheel hub further comprises a sealing seat 7, a second mounting groove 4013 is formed in one side of the first connecting portion 401 corresponding to the mixing chamber a, the second mounting groove 4013 is communicated with the through groove 4011 and the first mounting groove 4012, and the sealing seat 7 is disposed in the second mounting groove 4013 and sleeved on the outer side of the wheel hub 202. So designed, through second mounting groove 4013 the location installation of the seal receptacle 7 of being convenient for, and seal receptacle 7 can prevent when draining that water, the silt, the dust etc. of aquatic invade the rotation junction of shaft 202 and first connecting portion 401.

In an embodiment, a plurality of mounting blocks 302 are disposed at positions of the pump housing 3 corresponding to the mounting ports 301, a plurality of connecting blocks 4021 are disposed around the second connecting portion 402, and the plurality of connecting blocks 4021 are fixedly connected to the plurality of mounting blocks 302 in a one-to-one correspondence manner. By designing in this way, the mounting block 302 is provided on the pump housing 3, and the connection and fixation with the second connecting portion 402 is facilitated without damaging the housing of the pump housing 3.

In an embodiment, a plurality of flanges 102 are disposed on the housing of the disc-type permanent magnet motor 1, and the plurality of flanges 102 are fixedly connected to the second connecting portion 402. By means of the design, the second connecting portion 402 is respectively fixed with the shell of the disc-type permanent magnet motor 1 and the pump shell 3, so that the fixing effect is better, and the fixing process is facilitated.

It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present invention, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims

1. A mixed-flow water pump of a disc type motor is characterized by comprising a disc type permanent magnet motor (1), a mixed-flow impeller (2), a pump shell (3) and a connecting flange (4);

the pump comprises a pump shell (3), wherein a mixed flow cavity (A) and a water channel cavity (B) which are mutually communicated are arranged in the pump shell (3), a connecting flange (4) is arranged at the position, corresponding to the mixed flow cavity (A), of the pump shell (3), a mixed flow impeller (2) is arranged in the mixed flow cavity (A), a disc type permanent magnet motor (1) is fixed on the connecting flange (4), and an output shaft of the disc type permanent magnet motor (1) is fixedly connected with the mixed flow impeller (2).

2. The mixed-flow water pump of a disc motor according to claim 1, characterized in that the pump casing (3) is in a volute shape, the water inlet (C) of the pump casing (3) is located on one side of the pump casing (3) and extends outwards, the water outlet (D) of the pump casing (3) is located on the other side of the pump casing (3), the water inlet (C) and the water outlet (D) are not located in the same horizontal plane, the water inlet (C) is communicated with the mixed-flow cavity (a), and the water outlet (D) is communicated with the water channel cavity (B).

3. The mixed flow water pump of a disc motor according to claim 2, wherein the cavity diameter of the water channel cavity (B) is gradually increased along the water flow direction.

4. The disc type motor mixed-flow water pump according to claim 2, characterized in that a mounting opening (301) is opened at a position of the pump shell (3) corresponding to the mixed-flow cavity (A), and the connecting flange (4) comprises a first connecting part (401) and a second connecting part (402) which are connected with each other;

the first connecting portion (401) is fixedly connected with the side wall of the mounting opening (301), a through groove (4011) is formed in the first connecting portion (401), the mixed-flow impeller (2) comprises a blade portion (201) and an axle (202) connected with the blade portion (201), the axle (202) is arranged in the through groove (4011) in a penetrating mode and can rotate in the through groove (4011), the disc-type permanent magnet motor (1) is fixed on the second connecting portion (402), and an output shaft of the disc-type permanent magnet motor (1) is fixedly connected with the axle (202).

5. The mixed-flow water pump of the disc type motor according to claim 4, characterized in that a shaft hole (2021) is formed in the wheel shaft (202) and penetrates through the wheel shaft, the output shaft of the disc type permanent magnet motor (1) extends into the shaft hole (2021), and at least one flat key (5) is arranged between the output shaft of the disc type permanent magnet motor (1) and the shaft hole (2021).

6. The mixed flow water pump of the disc type motor as claimed in claim 5, further comprising a framework oil seal (6), wherein the first connecting portion (401) is provided with a first mounting groove (4012) communicated with the through groove (4011), and the framework oil seal (6) is arranged in the first mounting groove (4012) and sleeved on the outer side of the axle (202).

7. The mixed-flow water pump of the disc type motor according to claim 4, further comprising a pin shaft (8), wherein a groove (101) is formed in an output shaft of the disc type permanent magnet motor (1), and one end of the pin shaft (8) penetrates through a shaft hole (2021) of the wheel shaft (202) and is inserted into the groove (101).

8. The mixed flow water pump of the disc type motor as claimed in claim 6, further comprising a sealing seat (7), wherein a second mounting groove (4013) is formed in one side of the first connecting portion (401) corresponding to the mixed flow cavity (A), the second mounting groove (4013) is communicated with the through groove (4011) and the first mounting groove (4012), and the sealing seat (7) is arranged in the second mounting groove (4013) and sleeved outside the axle (202).

9. The mixed-flow water pump of the disc motor as claimed in claim 4, wherein a plurality of mounting blocks (302) are arranged at positions of the pump shell (3) corresponding to the mounting ports (301), a plurality of connecting blocks (4021) are arranged around the second connecting portion (402), and the plurality of connecting blocks (4021) are fixedly connected with the plurality of mounting blocks (302) in a one-to-one correspondence manner.

10. The mixed flow water pump of the disc type motor as claimed in claim 9, wherein a plurality of flanges (102) are arranged on a shell of the disc type permanent magnet motor (1), and the plurality of flanges (102) are fixedly connected with the second connecting portion (402).