CN211772165U - Double-outlet water pump for washing machine - Google Patents

Abstract

The utility model discloses a double-outlet water pump for a washing machine, which comprises a pump body, a water inlet, a filter frame, an impeller and a water outlet. The filter frame is detachably arranged in the pump body, and the water inlet is aligned with the water inlet end of the filter frame; the impeller Driven by the motor, a power-on block is arranged on the outside of the motor, and the power-on block is respectively provided with two power terminals. One of the power terminals is powered on, and the motor can rotate forward or reverse; the water outlet includes a spray port for circulating water and a The water outlet is used to discharge the water body in the washing machine, and the spray outlet and the water outlet are respectively placed on both sides of the water outlet end of the filter frame. In the utility model, a spray port and a drain port are arranged on the pump body, the rotation direction can be adjusted to control the water body to be discharged from the spray port or the drain port, and the water output can also be adjusted by adjusting the rotational speed of the motor, so one motor and one water pump are used. The spraying and drainage of the washing machine are realized, the structure is simple and compact, and the drainage volume can be adjusted at the same time, which effectively improves the use performance of the spraying and drainage.

Description

A double outlet water pump for washing machine

technical field

The utility model relates to the technical field of washing machines, in particular to a double outlet water pump for washing machines.

Background technique

As an essential household appliance with a high usage rate, the washing machine has more functions with the development of intelligent technology. The washing machine needs to be sprayed during the washing process to make the internal detergent mix more evenly, and the water containing the detergent needs to be transported from one side to the other side. The water flows to the drain port of the washing machine and then out of the washing machine. Among them, both spraying and drainage need to be realized by using a water pump.

In order to reduce the number of parts and improve the space utilization of the washing machine, a washing machine that integrates spray and drainage has appeared. For example, the circulating drainage pump and the washing machine disclosed in the Chinese invention patent application CN 109595203 A have improved the filter structure, and use the filter plate to replace the partition wall surrounded by the column structure in the prior art, and there is no need for the communication between the water inlet and the drainage outlet. In particular, the water inlet is provided on the filter, which significantly simplifies the structure of the circulating drainage pump and can reduce the manufacturing cost.

However, spraying and drainage are in two different directions, and the power required for spraying and drainage is also different. A single pump speed cannot achieve spraying and drainage at the same time, which will lead to uneven spraying, or it is difficult to discharge sludge, reducing drainage. rate.

Therefore, the drainage and spraying of the existing washing machine generally requires a water pump containing two motors, the structure is still relatively complex, and the spraying and drainage effects are lower than the use effect of using the water pump alone.

In view of this, it is urgent to improve the structure of the existing washing machine water pump to simplify the structure and improve the performance.

Utility model content

The technical problem to be solved by the utility model is that the existing washing machine drainage and spray water pumps have the problems of complex structure and poor performance.

In order to solve the above-mentioned technical problems, the technical solution adopted by the present utility model is to provide a dual-outlet water pump for washing machines, comprising a pump body, the pump body is provided with a water inlet, and the pump body is provided with:

a filter frame, which is detachably placed in the pump body, and the water inlet is aligned with the water inlet end of the filter frame;

The impeller is arranged at the rear end of the pump body, and the impeller is driven by a motor. The outer side of the motor is provided with a power-on block, and the power-on block is respectively provided with two power terminals, one of which is powered on. , the motor realizes forward rotation or reverse rotation;

The water outlet includes a spray port for circulating water and a drain port for discharging the water in the washing machine. Both the spray port and the drain port face above or below the pump body, and are placed on the filter On both sides of the water outlet end of the rack, the impeller rotates forward or reverse under the driving of the motor, and drives the water flow to flow out from the spray port or the drain port.

In another preferred embodiment, the spray port and the drain port are communicated with the pump body through a spray pipe and a drain pipe, respectively, and both the spray pipe and the drain pipe are connected to the pump body. The axial direction is vertical, the height of the spray pipe is greater than the overflow height of the water flow during drainage, and the height of the drainage pipe is greater than the overflow height of the water flow during spraying.

In another preferred embodiment, the spray pipe and the drainage pipe are arranged in parallel, respectively including an arc pipe and a straight pipe turned 90 degrees. to the same.

In another preferred embodiment, the two ends of the filter frame are clamped and fixed with the inner wall of the pump body, the front end of the pump body is provided with a screw plug, the rear end is provided with a motor, and the front end of the filter frame is provided with a screw plug. abuts on the screw plug, and the rear end abuts on the boss on the inner wall of the pump body.

In another preferred embodiment, protrusions are provided on both sides of the filter frame, and the inside of the pump body is provided with a snap groove adapted to the protrusion, and the snap groove of the pump body includes A straight groove, one side of the straight groove is provided with a flared groove extending to the front end of the pump body, and the filter rack enters the pump body from the front end of the pump body until the bump is locked into the pump body. in the straight groove.

In another preferred embodiment, a water outlet cavity is provided on the rear side of the pump body, the impeller extends into the water outlet cavity, and the spray port and the drain port are respectively communicated with the water outlet cavity.

In another preferred embodiment, the inner wall of the water outlet cavity is provided with a first arc-shaped block and a second arc-shaped block oppositely arranged, and the center of the first arc-shaped block is the center of the pump body, so The inner diameter of the second arc-shaped block is larger than that of the first arc-shaped block, the spray port and the drain port are symmetrically arranged, and the two ends of the second arc-shaped block respectively protrude into the spray port and the drain port. into the drain pipe.

In another preferred embodiment, the rear edge of the pump body is provided with a plurality of evenly spaced grooves and protruding teeth and a limit block, the motor is arranged in a housing, and the The open end is provided with a plurality of engaging grooves and inwardly bent occlusal teeth, each of the occlusal teeth first enters the groove, and by rotating the casing, the occlusal teeth are engaged with the protruding teeth , and the limiting block enters into one of the engaging grooves.

In another preferred embodiment, a stator assembly and a rotor assembly are arranged on the inner side of the motor, two pole positions are arranged on the coil of the rotor assembly, and the two electrical connection terminals are respectively connected with the two poles. The bits are connected one by one.

Compared with the prior art, in the present invention, a spray port for circulating water and a drain port for discharging the water in the washing machine are arranged on the pump body, and the impeller is driven by a motor to rotate, and the rotation direction can be adjusted to control the flow of water from the spray. The water is discharged from the shower or drain, and the water output can also be adjusted by adjusting the motor speed. Therefore, a motor and a water pump are used to realize the spraying and drainage of the washing machine. The structure is simple and compact, and the drainage can be adjusted. performance of drainage.

Description of drawings

Fig. 1 is the perspective view of the utility model;

2 is an exploded view of the internal components of the pump body of the present invention;

Figure 3 is a schematic diagram of the decomposition mechanism of the utility model;

Fig. 4 is the structural representation of the front end of the pump body in the utility model;

5 is a schematic structural diagram of the rear end of the pump body in the present invention.

Detailed ways

The utility model provides a double-outlet water pump for a washing machine. The pump body is provided with a spray port for circulating water and a drain port for discharging the water body in the washing machine. A motor is used to drive an impeller to rotate, and the rotation direction can be adjusted to control the water body. It is discharged from the spray port or the drain port, and the water output can also be adjusted by adjusting the motor speed. Therefore, a motor and a water pump are used to realize the spraying and drainage of the washing machine. The structure is simple and compact, and the water discharge can be adjusted at the same time. drenching and drainage performance. The present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 1 and FIG. 2 , the utility model provides a dual-outlet water pump for a washing machine, including a pump body 10 , the pump body 10 is provided with a water inlet 11 , and the pump body 10 includes a filter frame 20 , an impeller 40 and a water outlet.

The filter frame 20 is detachably placed in the pump body 10 , and the water inlet 11 is aligned with the water inlet end of the filter frame 20 . The impeller 40 is arranged at the rear end of the pump body 10. The impeller 40 is driven by a motor. A power-on block 31 is provided on the outer side of the motor. The power-on block 31 is respectively provided with two power terminals. Invert. The water outlet includes a spray port 12 for circulating water and a drain port 13 for discharging the water body in the washing machine. Both the spray port 12 and the drain port 13 face the top or bottom of the pump body 10 and are respectively placed in the water outlet of the filter frame 20. both sides of the end. Driven by the motor, the impeller 40 rotates forwardly or reversely, and drives the water flow to flow out from the spray port 12 or the water outlet 13 .

In the present invention, the pump body 10 is provided with a spray port 12 for circulating water and a drain port 13 for discharging the water in the washing machine, the impeller 40 is driven by a motor to rotate, and the rotation direction can be adjusted to control the flow of water from the spray port 12 Or the drain port 13, and the water output can also be adjusted by adjusting the motor speed. Therefore, a motor and a water pump are used to realize the spraying and drainage of the washing machine. The structure is simple and compact, and the drainage volume can be adjusted, which effectively improves the spraying and drainage. usage performance.

In a preferred embodiment, the spray port 12 and the drain port 13 are communicated with the pump body 10 through a spray pipe and a drain pipe respectively, and the spray pipe and the drain pipe are both perpendicular to the axial direction of the pump body 10. The height of the pipe is greater than the overflow height of the water flow during drainage, and the height of the drainage pipe is greater than the overflow height of the water flow during spraying. Since the impeller 40 is driven to drain water when the motor is reversed, although the direction of the water flow is opposite to the setting direction of the spray pipe, it is inevitable that water will flow into the spray pipe, but the height of the spray pipe is greater than the overflow height of the water flow during drainage, so the water flow After entering, there is not enough flow rate from the spray pipe to the spray port 12 to ensure that no spray operation is performed during drainage. The height of the drainage pipe is greater than the overflow height of the water flow during spraying. In the same way, it can effectively prevent the drainage operation during spraying.

As shown in FIG. 2 , in a preferred embodiment, the spray pipe and the drainage pipe are arranged in parallel, respectively including an arc pipe 121 and a straight pipe 122 turned 90 degrees. Tangentially consistent. In this embodiment, the spray pipe is provided with an arc-shaped pipe 121, which can discharge the water body under the force of the centrifugal direction, reduce the turbulence or splash of the water body, and thus reduce the power loss. The drainage pipe can also be set to the same structure as the spray pipe, but in order to adapt to the different rotation of the motor, its flow direction is opposite to that of the spray pipe.

As shown in FIG. 2, in a preferred embodiment, both ends of the filter frame 20 are clamped and fixed with the inner wall of the pump body 10, the front end of the pump body 10 is provided with a screw plug, and the rear end is provided with a motor. The front end abuts on the screw plug, and the rear end abuts on the boss on the inner wall of the pump body 10 . In this embodiment, the filter frame 20 is positioned through the extrusion of the clamping screw plug, so as to prevent the shaking and unstable phenomenon from occurring under the pressure of the water body, which affects the filtering effect.

As shown in FIG. 4 , further, the two sides of the filter frame 20 are provided with bumps, the interior of the pump body 10 is provided with a slot 14 that is adapted to the bump, and the slot 14 of the pump body 10 includes a straight slot, the straight slot A flared groove extending to the front end of the pump body 10 is provided on one side of the filter rack 20 , and the filter frame 20 enters the pump body 10 from the front end of the pump body 10 until the protrusions snap into the straight grooves. In this embodiment, in addition to the positioning with the pump body 10 and the screw plug, a clamping slot 14 is also provided, and the projections of the pump body 10 and the plug enter the straight groove of the clamping slot 14, which is convenient for installation and prevents the filter frame 20 from rotating. Further increase the stabilization effect.

As shown in FIG. 5 , in a preferred embodiment, a water outlet cavity 17 is provided on the rear side of the pump body 10 , the impeller 40 extends into the water outlet cavity 17 , and the spray port 12 and the drain port 13 communicate with the water outlet cavity 17 respectively. In this embodiment, the water body after passing through the filter frame 20 enters the water outlet cavity 17 , where a regular flow is formed through the action of the impeller 40 , and then flows out from the spray port 12 or the drain port 13 .

Further, the inner wall of the water outlet cavity is provided with a first arc-shaped block 15 and a second arc-shaped block 16 oppositely arranged, the center of the first arc-shaped block 15 is the center of the pump body 10, and the inner diameter of the second arc-shaped block 16 is larger than The first arc-shaped block 15, the spray port 12 and the drain port 13 are symmetrically arranged, and the two ends of the second arc-shaped block 16 extend into the pipes of the spray port 12 and the drain port 13 respectively. The first arc-shaped block 15, the second arc-shaped block 16 and the impeller 40 work together, so that the water body forms a counterclockwise or clockwise regular flowing water body in the water outlet chamber. The second arc-shaped block 16 is used for smooth transition with the pipes of the sprinkler port 12 and the drain port 13, so as to facilitate the discharge of the water body.

In a preferred embodiment, the rear edge of the pump body 10 is provided with evenly spaced grooves 17 and protruding teeth 18 , the pump body 10 is further provided with a limit block 19 , and the motor is arranged in a housing 30 , the open end of the casing 30 is provided with a plurality of engaging grooves 34 and inwardly bent engaging teeth 35, each engaging tooth 35 first enters the groove 17, and by rotating the casing 30, the engaging teeth 35 and the protruding teeth 18 Buckle, and the limiting block 19 enters into one of the engaging grooves 34 . In this embodiment, the occlusal teeth are used to engage with each other, and the positioning block 19 is used to achieve positioning, so as to prevent the casing 30 and the pump body 10 from loosening.

As shown in FIG. 3 , in a preferred embodiment, a stator assembly 32 and a rotor assembly 33 are provided on the inner side of the motor, and the coil of the rotor assembly 33 is provided with two pole positions, and the two electrical terminals are respectively connected to the two poles. The bits are connected one by one. The two pole positions of the rotor assembly 33 generate a magnetic field with the stator when rotating, and the pole positions are different and the rotation direction is different, thereby driving the impeller 40 to rotate in both positive and negative directions. As shown in FIG. 5 , when the impeller 40 rotates clockwise, water is discharged from the sprinkling port 12; when the impeller 40 is rotated counterclockwise, water is discharged from the water outlet 13.

In the utility model, the pump body is provided with a spray port for circulating water and a drain port for discharging the water body in the washing machine, the motor is used to drive the impeller to rotate, and the rotation direction can be adjusted to control the water body to be discharged from the spray port or the drain port. Moreover, the water output can also be adjusted by adjusting the motor speed. Therefore, a motor and a water pump are used to realize the spraying and drainage of the washing machine. The structure is simple and compact, and the drainage volume can be adjusted at the same time, which effectively improves the performance of spraying and drainage.

The present utility model is not limited to the above-mentioned best embodiment, and anyone should know that the structural changes made under the inspiration of the present utility model, all the technical solutions that are the same or similar to the present utility model are all included in the present utility model. within the scope of protection.

Claims (9)

1. a double outlet water pump for washing machine, comprising a pump body, the pump body is provided with a water inlet, it is characterized in that, the pump body is provided with: a filter frame, which is detachably placed in the pump body, and the water inlet is aligned with the water inlet end of the filter frame; The impeller is arranged at the rear end of the pump body, and the impeller is driven by a motor. The outer side of the motor is provided with a power-on block, and the power-on block is respectively provided with two power terminals, one of which is powered on. , the motor realizes forward rotation or reverse rotation; The water outlet includes a spray port for circulating water and a drain port for discharging the water in the washing machine. Both the spray port and the drain port face above or below the pump body, and are placed on the filter On both sides of the water outlet end of the rack, the impeller rotates forward or reverse under the driving of the motor, and drives the water flow to flow out from the spray port or the drain port. 2 . The dual outlet water pump for washing machine according to claim 1 , wherein the spray port and the drain port are communicated with the pump body through a spray pipe and a drain pipe, respectively. The pipeline and the drainage pipeline are both perpendicular to the axial direction of the pump body, the height of the spray pipeline is greater than the overflow height of the water flow during drainage, and the height of the drainage pipeline is greater than the overflow height of the water flow during spraying. 3 . The dual-outlet water pump for washing machine according to claim 2 , wherein the spray pipe and the drainage pipe are arranged in parallel, and respectively include an arc-shaped pipe and a straight pipe turned 90 degrees, and the arc-shaped pipe The water inlet is consistent with the tangential direction of the pump body. 4 . The dual-outlet water pump for washing machine according to claim 1 , wherein the two ends of the filter frame are clamped and fixed with the inner wall of the pump body, the front end of the pump body is provided with a screw plug, and the The front end of the filter frame abuts on the screw plug, and the rear end abuts on the boss on the inner wall of the pump body. 5 . The dual-outlet water pump for washing machine according to claim 4 , wherein the two sides of the filter frame are provided with bumps, and the inside of the pump body is provided with a card slot adapted to the bumps, 6 . The clamping slot includes a straight slot, one side of the straight slot is provided with a flared slot extending to the front end of the pump body, and the filter rack enters the pump body from the front end of the pump body until the The protrusions are snapped into the straight grooves. 6 . The dual-outlet water pump for washing machines according to claim 1 , wherein a water outlet cavity is provided on the rear side of the pump body, the impeller extends into the water outlet cavity, and the spray port and the The water outlets are respectively communicated with the water outlet chambers. 7 . The dual-outlet water pump for washing machine according to claim 6 , wherein the inner wall of the water outlet cavity is provided with a first arc-shaped block and a second arc-shaped block oppositely arranged, and the first arc-shaped block is The center of the circle is the center of the pump body, the inner diameter of the second arc-shaped block is larger than that of the first arc-shaped block, the spray port and the drain port are symmetrically arranged, and the two ends of the second arc-shaped block are arranged symmetrically. respectively extend into the pipes of the spray port and the drain port. 8 . The dual-outlet water pump for washing machines according to claim 1 , wherein the rear edge of the pump body is provided with a plurality of evenly spaced grooves and protruding teeth and a limit block, and the motor is provided with a limit block. 9 . In a casing, the open end of the casing is provided with a plurality of engaging grooves and inwardly bent engaging teeth, each of the engaging teeth first enters the grooves, and by rotating the casing, the The engaging teeth are engaged with the protruding teeth, and the limiting block enters into one of the engaging grooves. 9 . The dual outlet water pump for a washing machine according to claim 1 , wherein a stator assembly and a rotor assembly are arranged on the inner side of the motor, and two pole positions are arranged on the coil of the rotor assembly, and the two said The electrical terminals are respectively connected with the two pole positions in a one-to-one correspondence.

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