CN217898205U

CN217898205U - Novel water-cooled injection pump

Info

Publication number: CN217898205U
Application number: CN202222066279.6U
Authority: CN
Inventors: 李臣
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-25
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to a novel water-cooled jet pump relates to a jet pump, belong to water pump technical field, it includes the motor, the pump body and support frame, through support frame interconnect between the motor and the pump body, the motor includes motor housing and rotor shaft, be provided with the stator in the motor housing, be provided with the rotor that uses with the stator cooperation on the rotor shaft, and the outside of rotor is equipped with rotor shield, the inboard of stator is provided with stator shield, stator shield's opening part covers there is the lid, and leave the water clearance between rotor shield and the stator shield, be provided with inlet opening and apopore on the rotor shaft, be connected through fluid passage between inlet opening and the apopore, fluid passage runs through the rotor shaft, and the inlet opening is located the one end of rotor shaft, the apopore is located the side of rotor shaft, and keep away from the inlet opening setting, the utility model aims at providing a rational in infrastructure, when guaranteeing internal pressure, the good water-cooled jet pump of motor inside cooling effect.

Description

Novel water-cooled injection pump

Technical Field

The utility model belongs to the technical field of the water pump, a jet pump is related to, refer in particular to a novel water-cooled jet pump.

Background

In the water pump in the current market, the motor can generate heat in use, so the motor needs to be cooled, the cooling method is various, fan blades are usually adopted for cooling, the purpose of cooling can be achieved, unnecessary resource waste is caused, the heating of the motor is generated by the internal structure of the motor, the motor can be cooled only by adopting air cooling, and the cooling effect is not ideal. The purpose of cooling the motor is achieved by adopting a water cooling mode, namely cooling the motor shell generally. When the motor works, a motor shaft rotates at a high speed, the problem of motor heat generation cannot be well solved only by external cooling of heat inside the motor, the motor usually drives a water pump to work, and the sealing of the motor is very important, so that people always find a method for solving the problem that the good sealing performance of the motor can be kept, the problem of motor heat generation inside the motor can be solved, and the working efficiency of the motor is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rational in infrastructure, when guaranteeing internal pressure, the good novel water-cooled jet pump of motor internal cooling effect.

The purpose of the utility model is realized like this:

the utility model provides a novel water-cooled jet pump, includes motor, the pump body and support frame, through support frame interconnect between the motor and the pump body, the motor includes motor casing and rotor shaft, be provided with the stator in the motor casing, be provided with the rotor that uses with the stator cooperation on the rotor shaft, just the outside of rotor is equipped with the rotor shield cover, the inboard of stator is provided with the stator shield cover, the opening part of stator shield cover covers there is the lid, just leave the water clearance between rotor shield cover and the stator shield cover, be provided with inlet opening and apopore on the rotor shaft, be connected through fluid passage between inlet opening and the apopore, fluid passage runs through the rotor shaft, just the inlet opening is located the one end of rotor shaft, the apopore is located the side of rotor shaft, and keeps away from the inlet opening setting, the apopore is located between rotor shield cover and the stator shield cover, be provided with the delivery port on the lid.

In foretell novel water-cooled injection pump, the pump body includes pump case, injection pipe, direction lid and impeller, be provided with into water end and play water end on the pump case, it communicates through the cavity of pump case self-carrying with play water end to intake the end, the direction lid covers the opening part at the pump case, and this direction lid is provided with water channel, be provided with into water end on the impeller, should intake the end and set up towards water channel, the impeller is connected with the one end of rotor shaft, the injection pipe is connected with the end of intaking on the pump case and impeller.

In the novel water-cooled injection pump, the guide cover is annularly provided with a plurality of guide flow channels matched with the impeller.

In the novel water-cooled injection pump, the number of the guide flow passages is four, and a silencing hole is arranged between every two adjacent guide flow passages.

In the above novel water-cooled jet pump, the liquid channel is a cylindrical hole structure, and the central axis of the liquid channel coincides with the central axis of the rotor shaft.

In the novel water-cooled jet pump, the number of the water outlet holes is two, and the water outlet holes are uniformly distributed on the rotor shaft.

In foretell novel water-cooled injection pump, be provided with the bearing mount pad on the motor casing, be provided with the cover in the bearing mount pad and establish the epaxial bearing of rotor, be provided with the sealing washer between bearing mount pad and the stator shield cover.

In the above novel water-cooled jet pump, a positioning step is provided at one end of the rotor shaft close to the bearing, and a sealing sheet is provided between the side surface of the positioning step and the bottom surface of the stator shielding case.

In the above novel water-cooled injection pump, a water discharge outlet is arranged at the bottom of the motor casing, the water discharge outlet is communicated with the liquid channel, and a plug is arranged on the water discharge outlet.

In the novel water-cooled injection pump, the number of the water outlets is four, and the water outlets are uniformly distributed on the cover.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses an injection pump, water gets into in the injection pipe from the end of intaking, the injection pipe is carried the water that the pump case end of intaking got into between impeller and the direction lid, carry most water through the impeller and spout from the outlet end behind the cavity, and the water of subtotal gets into from the inlet opening of rotor shaft, come out from the apopore again, the water that comes out from the apopore reenters between rotor shield and the stator shield, water is after rotor shield and stator shield, discharge from the delivery port of lid again, the exhaust water passes through the impeller and enters into in the pump body, water passes through the rotor shaft, behind rotor shield and the stator shield, can take away the heat that rotor and stator produced, and can not reduce the internal pressure of the pump body, the effectual bulk temperature who has reduced the motor.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a cross-sectional view of the pump body of the present invention.

Fig. 3 is a schematic diagram of the pump body structure of the present invention.

Fig. 4 is a schematic structural diagram of the guide cover of the present invention.

Fig. 5 is a schematic structural diagram of the impeller of the present invention.

Fig. 6 is a schematic structural view of the motor of the present invention.

Fig. 7 is a sectional view of the motor of the present invention.

Fig. 8 is an enlarged view of the position a of the present invention.

Fig. 9 is an exploded view of the motor of the present invention.

Fig. 10 is a schematic structural diagram of the motor casing of the present invention.

Fig. 11 is a schematic structural view of the rotor shaft of the present invention.

1-a motor casing; 2-a rotor shaft; 3-a stator; 4-a rotor; 5, a motor; 6, a pump body; 7-a support frame; 10-a water outlet;

11-bearing mount; 12-a bearing; 13-sealing ring; 14-positioning step; 15-sealing the sheet; 21-water inlet hole; 22-water outlet; 23-a water outlet; 41-rotor shield; 42-a stator shield; 43-a lid; 61-a pump housing; 62-an injection pipe; 63-a guide cover; 64-an impeller; 65-an accommodating ring groove; 66-a positioning cylinder; 100-plug; 101-a heat sink; 611-water inlet end; 612-water outlet end;

631-a guide flow channel; 632-silencing hole.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

as shown in fig. 1-11: the utility model provides a novel water-cooled jet pump, includes motor 5, the pump body 6 and support frame, through 7 interconnect of support frame between the motor and the pump body, motor 5 includes motor casing 1 and rotor shaft 2, be provided with stator 3 in the motor casing 1, be provided with rotor 4 with stator cooperation use on the rotor shaft 2, just the outside of rotor 4 is equipped with rotor shield 41, the inboard of stator 3 is provided with stator shield 42, the opening part of stator shield 42 covers there is lid 43, just leave the water clearance between rotor shield 41 and the stator shield 42, be provided with inlet opening 21 and apopore 22 on the rotor shaft 2, be connected through fluid passage between inlet opening 21 and the apopore 22, fluid passage runs through rotor shaft 2, just inlet opening 21 is located the one end of rotor shaft 2, apopore 22 is located the side of rotor shaft 2, and keeps away from inlet opening 21 setting, apopore 22 is located between rotor shield 41 and the stator shield 42, be provided with delivery port 23 on the lid 43, water gets into from the inlet opening of rotor shaft, comes out again from the water of rotor shaft, gets into again from the water shield and the stator shield, and the stator shield can get into through the stator shield, rotor shaft and the stator shield, rotor and the stator shield, the rotor is taken away from the stator after the stator, rotor shaft.

In the above novel water-cooled injection pump, the pump body 6 includes a pump case 61, an injection pipe 62, a guide cover 63 and an impeller 64, the pump case 61 is provided with a water inlet end 611 and a water outlet end 612, the water inlet end 611 and the water outlet end 612 are communicated with each other through a chamber of the pump case 61, the guide cover 63 covers an opening of the pump case 61, the guide cover 63 is provided with a water passage, the impeller 64 is provided with a water inlet end facing the water passage, the impeller 64 is connected with one end of the rotor shaft 2, the injection pipe 62 connects the water inlet end 611 of the pump case 61 with the water inlet end of the impeller 64, the guide cover 63 is provided with a plurality of guide flow channels 631 matching with the impeller 64, the guide flow channels are substantially in a wolf tooth type structure, so as to match with the impeller to extrude water, and the designed sound deadening hole is used for eliminating sound generated by the water flowing through the guide flow channels, and reducing noise.

In the above novel water-cooled jet pump, the number of the guide channels 631 is four, and the muffling hole 632 is disposed between two adjacent guide channels 631, so that water can flow into the chamber through the guide channels.

In the above-mentioned novel water-cooled jet pump, the liquid channel is a cylindrical hole structure, and its central axis coincides with the central axis of the rotor shaft 2, so as to facilitate the water to take away the internal heat of the rotor, and also facilitate the processing of the rotor shaft.

In foretell novel water-cooled jet pump, apopore 22 is two, and the equipartition is on rotor shaft 2, and is concrete, and the position of apopore sets up on rotor shaft relatively, is so in order to guarantee rotor shaft's weight balance, reduces the beating of its pivoted production, also is simultaneously in order to increase the water yield, can reduce the temperature in the motor fast.

In foretell novel water-cooled injection pump, be provided with bearing mount pad 11 on motor casing 1, be provided with the bearing 12 that the cover was established on rotor shaft 2 in the bearing mount pad 11, be provided with sealing washer 13 between bearing mount pad 11 and the stator shield cover 42, the bearing of design is for making things convenient for the rotor to rotate, and the sealing washer of design is then for the gap between sealed stator shield cover and the motor casing, guarantees inside sealing performance.

In the above-mentioned novel water-cooled jet pump, a positioning step 14 is provided at one end of the rotor shaft 2 close to the bearing 12, and a sealing sheet 15 is provided between the side surface of the positioning step 14 and the bottom surface of the stator shielding case 42, and the sealing sheet is designed to further improve the sealing performance.

In the above-mentioned novel water-cooled injection pump, the bottom of motor casing 1 is provided with drain 10, drain 10 and liquid channel intercommunication, be provided with end cap 100 on the drain 10, can discharge the water between rotor shield and the stator shield and the inside rotor shaft through the drain after the motor stop work.

In the novel water-cooled injection pump, the number of the water outlets 23 is four, and the water outlets are uniformly distributed on the cover 43, so that the cooling speed of the motor can be further increased in order to increase the water yield.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a novel water-cooled injection pump, includes motor (5), the pump body (6) and support frame (7), its characterized in that: motor (5) and the pump body (6) between through support frame (7) interconnect, motor (5) are including motor casing (1) and rotor shaft (2), be provided with stator (3) in motor casing (1), be provided with rotor (4) that use with the stator cooperation on rotor shaft (2), just the outside of rotor (4) is equipped with rotor shield (41), the inboard of stator (3) is provided with stator shield (42), the opening part of stator shield (42) covers there is lid (43), just leave water clearance (44) between rotor shield (41) and stator shield (42), be provided with inlet opening (21) and apopore (22) on rotor shaft (2), be connected through the liquid passage between inlet opening (21) and apopore (22), the liquid passage runs through rotor shaft (2), just inlet opening (21) are located the one end of rotor shaft (2), apopore (22) are located the side of rotor shaft (2), and keep away from inlet opening (21) setting, rotor (22) are located between stator shield (41) and stator shield (42) and are provided with delivery port (43).

2. The novel water-cooled injection pump according to claim 1, characterized in that: the pump body (6) includes pump case (61), injection pipe (62), direction lid (63) and impeller (64), be provided with into water end (611) and play water end (612) on pump case (61), it communicates with the cavity of play water end (611) passing through pump case (61) from the area to advance water end (611), direction lid (63) cover the opening part at pump case (61), and this direction lid (63) are provided with water channel, be provided with into water end on impeller (64), this end of intaking sets up towards water channel, impeller (64) are connected with the one end of rotor shaft (2), injection pipe (62) are connected with the end of intaking end (611) on pump case (61) and impeller (64), the tip is provided with in direction lid (63) and holds annular (65), be provided with on impeller (64) and hold annular (65) the cooperation of ring and use location section of thick bamboo (66).

3. The novel water-cooled injection pump according to claim 2, characterized in that: and a plurality of guide flow channels (631) matched with the impeller (64) for use are annularly arranged on the guide cover (63).

4. The novel water-cooled ejector pump according to claim 3, characterized in that: the number of the guide flow channels (631) is four, and a silencing hole (632) is arranged between every two adjacent guide flow channels (631).

5. The novel water-cooled ejector pump according to claim 1, 2, 3 or 4, characterized in that: the liquid channel is of a cylindrical hole structure, and the central axis of the liquid channel is superposed with the central axis of the rotor shaft (2).

6. The novel water-cooled injection pump according to claim 5, wherein: the number of the water outlet holes (22) is two, and the water outlet holes are uniformly distributed on the rotor shaft (2).

7. The novel water-cooled injection pump according to claim 6, characterized in that: the motor is characterized in that a bearing mounting seat (11) is arranged on the motor shell (1), a bearing (12) sleeved on the rotor shaft (2) is arranged in the bearing mounting seat (11), and a sealing ring (13) is arranged between the bearing mounting seat (11) and the stator shielding cover (42).

8. The novel water-cooled injection pump according to claim 7, characterized in that: one end of the rotor shaft (2) close to the bearing (12) is provided with a positioning step (14), and a sealing sheet (15) is arranged between the side face of the positioning step (14) and the bottom face of the stator shielding cover (42).

9. The novel water-cooled ejector pump according to claim 8, characterized in that: the water discharging device is characterized in that a water discharging opening (10) is formed in the bottom of the motor shell (1), the water discharging opening (10) is communicated with a liquid channel, and a plug (100) is arranged on the water discharging opening (10).

10. The novel water-cooled ejector pump according to claim 9, characterized in that: the number of the water outlets (23) is four, and the water outlets are uniformly distributed on the cover (43).