CN112048882A

CN112048882A - Detergent adding pump of washing machine

Info

Publication number: CN112048882A
Application number: CN202011051373.3A
Authority: CN
Inventors: 王继东
Original assignee: Nanjing Shisuan Biotechnology Co ltd
Current assignee: Nanjing Shisuan Biotechnology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2020-12-08

Abstract

The invention discloses a detergent adding pump of a washing machine, which comprises a top cover and a bottom cover, wherein the upper end surface of the top cover is provided with a positioning ring, a motor is arranged in the positioning ring, the outer side of the motor is provided with a protective cover, the protective cover is clamped with the positioning ring, a limiting ring is arranged in the bottom cover, a first hose and a second hose are arranged in the limiting ring, rollers are rotatably connected in the limiting ring, four rollers are uniformly distributed in the limiting ring, a rotating disc is arranged in the limiting ring and is positioned at the inner side of the rollers, the lower end surface of the bottom cover is provided with a first cavity and a second cavity, the side surface of the bottom cover is provided with a water outlet, a shell is arranged at one side of the first cavity and the. The invention has the advantages that: the pipeline is not easy to block, no noise is generated in the using process, the pipeline is easy to replace, the flow control is accurate, and the energy consumption is low.

Description

Detergent adding pump of washing machine

Technical Field

The invention relates to the technical field of addition pumps, in particular to a detergent addition pump of a washing machine.

Background

The detergent adding system of the washing machine on the market at present adopts a piston pump and a gear pump system, and detergent is conveyed into a washing system of the washing machine from a detergent box through the reciprocating action of a piston or the mechanical squeezing action of a gear.

The detergent is sticky, and the detergent remained in the pipeline for a long time is aged and solidified, so that the pipeline of an adding system is blocked, the adding flow of the detergent is reduced, and the flow control precision of the detergent is reduced; the gear pump is used for adding the detergent, and noise is generated in the adding process; meanwhile, the detergent adding pipeline in the existing detergent adding system is not easy to replace, and is inconvenient to maintain and repair.

Disclosure of Invention

The invention aims to solve the technical problems and provides a detergent adding pump of a washing machine, which has the advantages of difficult blockage of a pipeline, no noise in the using process, easy replacement of the pipeline, accurate flow control and low energy consumption.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a washing machine detergent adding pump comprises a top cover and a bottom cover, wherein the top cover and the bottom cover are clamped, a positioning ring is arranged on the upper end face of the top cover, a motor is arranged in the positioning ring, a protective cover is arranged on the outer side of the motor and clamped with the positioning ring, a limiting ring is arranged in the bottom cover, a first hose and a second hose are arranged in the limiting ring, the first hose and the second hose are symmetrically distributed in the limiting ring, the limiting ring is exposed at two ends of the first hose and the second hose, the first hose and the second hose are both attached to the inner wall of the limiting ring, rollers are rotationally connected in the limiting ring, the number of the rollers is four, the four rollers are uniformly distributed in the limiting ring, the rollers are attached to the first hose and the second hose, a turntable is arranged in the limiting ring and is positioned on the inner side of the rollers, the turntable is tangent, the improved hose structure is characterized in that a first cavity and a second cavity are arranged on the lower end face of the bottom cover, a water outlet is arranged on the side face of the bottom cover, a shell is arranged on one side of the first cavity and one side of the second cavity of the lower end face of the bottom cover, the shell is clamped with the lower end face of the bottom cover, a first check valve and a second check valve are arranged in the shell, a first inlet pipe, a second inlet pipe and a water outlet pipe are arranged below the bottom cover, the first inlet pipe and the second inlet pipe are respectively communicated with the first hose and the second hose through elbows, the first inlet pipe and the second inlet pipe are respectively communicated with the first cavity and the second cavity, the water outlet pipe is.

Compared with the prior art, the invention has the advantages that: according to the detergent adding pump of the washing machine, the first hose and the second hose which are easy to replace are adopted for conveying, so that the service life of the whole adding pump is prolonged; the relatively independent conveying pipeline is adopted, so that the laundry detergent is not contacted with other accessories of the pump, and the system is kept clean for a long time; different liquids in the first cavity and the second cavity are added through positive and negative rotation of the motor, so that energy consumption is reduced; the hose is extruded by the roller to transmit liquid, and the system does not generate noise because mechanical structures such as gears and pistons are not used; the pipe diameters of the first hose and the second hose are fixed, so that the flow rate of the added detergent is accurate, and the detergent cannot be changed due to system abrasion; the system can be backwashed regularly by using clean water to clean the residual detergent in the first hose and the second hose, so that the blockage of the pipeline is avoided.

As an improvement, the two ends of the first hose and the second hose, which are exposed out of the limiting ring, are connected with the bottom cover through the buckles, and the first hose and the second hose are fixed through the buckles, so that the first hose and the second hose can be replaced conveniently.

As an improvement, the water inlet pipe I, the water inlet pipe II and the water outlet pipe are connected with the bottom cover through pipe clamps, and the pipe clamps fix the positions of the water inlet pipe I, the water inlet pipe II and the water outlet pipe.

As the improvement, be equipped with the sealing washer in the casing, strengthen the leakproofness, avoid the weeping.

As an improvement, a reinforcing rib plate is arranged in the bottom cover and is connected with the bottom cover and the limiting ring, four reinforcing rib plates are arranged, the four reinforcing rib plates are uniformly distributed, and the strength of the bottom cover is enhanced.

As an improvement, the lower end face of the bottom cover is provided with a positioning column, so that the fixation of the pump is conveniently increased.

Drawings

FIG. 1 is an exploded view of a washer detergent addition pump of the present invention.

FIG. 2 is a top view of a bottom cover of a washer detergent addition pump of the present invention.

FIG. 3 is a bottom view of a bottom cover of a washer detergent addition pump of the present invention.

Description of the drawings: 1. the water outlet device comprises a top cover, a bottom cover, a positioning ring, a motor, a protective cover, a limiting ring, a first hose, a second hose, a roller, a rotating disc, a first cavity, a second cavity, a third cavity, a water outlet, a first water inlet pipe, a second water inlet pipe, a third cavity, a fourth cavity, a fifth cavity, a sixth cavity, a fifth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawing, the washing machine detergent adding pump comprises a top cover 1 and a bottom cover 2, wherein the top cover 1 is connected with the bottom cover 2 in a clamping manner, a positioning ring 3 is arranged on the upper end face of the top cover 1, a motor 4 is arranged in the positioning ring 3, a protective cover 5 is arranged on the outer side of the motor 4, the protective cover 5 is connected with the positioning ring 3 in a clamping manner, a limiting ring 6 is arranged in the bottom cover 2, a first hose 7 and a second hose 8 are arranged in the limiting ring 6, the first hose 7 and the second hose 8 are symmetrically distributed in the limiting ring 6, the limiting ring 6 is exposed at two ends of the first hose 7 and the second hose 8, the first hose 7 and the second hose 8 are both attached to the inner wall of the limiting ring 6, rollers 9 are rotatably connected in the limiting ring 6, the number of the rollers 9 is four, the rollers 9 are uniformly distributed in the limiting ring 6, the rollers 9 are attached to the, the rotary table 10 is positioned at the inner side of the roller 9, the rotary table 10 is tangent with the four rollers 9, the output end of the motor 4 is connected with the rotary table 10, a first cavity 11 and a second cavity 12 are arranged on the lower end surface of the bottom cover 2, a water outlet 13 is arranged on the side surface of the bottom cover 2, a shell 14 is arranged on one side of the first cavity 11 and the second cavity 12 on the lower end face of the bottom cover 2, the shell 14 is clamped with the lower end face of the bottom cover 2, a one-way valve I15 and a one-way valve II 16 are arranged in the shell 14, a water inlet pipe I17, a water inlet pipe II 18 and a water outlet pipe 19 are arranged below the bottom cover 2, the first inlet pipe 17 and the second inlet pipe 18 are respectively communicated with the first hose 7 and the second hose 8 through an elbow 20, the first water inlet pipe 17 and the second water inlet pipe 18 are respectively communicated with the first cavity 11 and the second cavity 12, the water outlet pipe 19 is communicated with the water outlet 13 of the shell 14, and the first check valve 15 and the second check valve 16 are respectively communicated with the first hose 7 and the second hose 8 through the elbow 20.

The two ends of the first hose 7 and the second hose 8 exposed out of the limiting ring 6 are connected with the bottom cover 2 through the buckles 21.

The first water inlet pipe 17, the second water inlet pipe 18 and the water outlet pipe 19 are connected with the bottom cover 2 through pipe clamps 22.

A sealing ring is arranged in the shell 14.

The bottom cover 2 is internally provided with a reinforcing rib plate 23, the reinforcing rib plate 23 is connected with the bottom cover 2 and the limiting ring 6, four reinforcing rib plates 23 are arranged, and the four reinforcing rib plates 23 are uniformly distributed.

And a positioning column 24 is arranged on the lower end face of the bottom cover 2.

The working principle of the invention is as follows: when the washing machine detergent adding pump is used, the detergent is stored in the cavity I, and the softener is stored in the cavity II. The motor rotates forwards, the motor drives the rotating disc to rotate forwards, the rotating disc drives the roller to rotate, the roller extrudes the first hose, so that the detergent in the first cavity enters the shell through the first water inlet pipe, the first elbow and the first check valve, and the detergent entering the shell is conveyed to the water outlet through the water outlet pipe to be added. And the motor rotates reversely, the motor drives the turntable to rotate reversely, the turntable drives the roller to rotate, the roller extrudes the hose, so that the softener in the cavity II enters the shell through the water inlet pipe II, the elbow and the check valve II, and the softener entering the shell is conveyed to the water outlet through the water outlet pipe to add the detergent. The first check valve and the second check valve can prevent the detergent and the softener in the shell from flowing backwards. When cleaning the internal pipeline, clean water is added into the first cavity and the second cavity, and the motor rotates forwards and backwards, so that the first hose, the second hose, the first water inlet pipe, the second water inlet pipe and the water outlet pipe can be cleaned by the clean water.

The present invention and its embodiments have been described, without limitation, and the embodiments shown in the drawings are only one embodiment of the present invention and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A washing machine detergent addition pump, comprising a top cover (1) and a bottom cover (2), characterized in that: the top cover (1) and the bottom cover (2) are connected in a clamped mode, the upper end face of the top cover (1) is provided with a positioning ring (3), a motor (4) is arranged in the positioning ring (3), a protective cover (5) is arranged on the outer side of the motor (4), the protective cover (5) is connected with the positioning ring (3) in a clamped mode, a limiting ring (6) is arranged in the bottom cover (2), a hose I (7) and a hose II (8) are arranged in the limiting ring (6), the hose I (7) and the hose II (8) are symmetrically distributed in the limiting ring (6), the limiting ring (6) is exposed at the two ends of the hose I (7) and the hose II (8), the hose I (7) and the hose II (8) are both attached to the inner wall of the limiting ring (6), idler wheels (9) are rotationally connected in the limiting ring (6), the number of the idler wheels (9) is four, and the idler wheels (9), gyro wheel (9) and hose (7) and hose two (8) laminating, be equipped with carousel (10) in spacing ring (6), carousel (10) are located gyro wheel (9) inboard, carousel (10) are tangent with four gyro wheels (9), the output and carousel (10) of motor (4) are connected, terminal surface is equipped with cavity one (11) and cavity two (12) under bottom (2), bottom (2) side is equipped with delivery port (13), terminal surface cavity one (11) and cavity two (12) one side are equipped with casing (14) under bottom (2), terminal surface joint under casing (14) and bottom (2), be equipped with check valve one (15) and check valve two (16) in casing (14), bottom (2) below is equipped with inlet tube one (17), inlet tube two (18) and outlet pipe (19), inlet tube one (17) and two (18) pass through elbow (20) respectively with hose one (7) and hose two (8) laminating (8) The water inlet pipe I (17) and the water inlet pipe II (18) are communicated with the cavity I (11) and the cavity II (12) respectively, the water outlet pipe (19) is communicated with the shell (14) and the water outlet (13), and the check valve I (15) and the check valve II (16) are communicated with the hose I (7) and the hose II (8) respectively through the elbow (20).

2. A washer detergent addition pump as claimed in claim 1, wherein: the two ends of the first hose (7) and the second hose (8) exposed out of the limiting ring (6) are connected with the bottom cover (2) through the buckles (21).

3. A washer detergent addition pump as claimed in claim 1, wherein: the water inlet pipe I (17), the water inlet pipe II (18) and the water outlet pipe (19) are connected with the bottom cover (2) through pipe clamps (22).

4. A washer detergent addition pump as claimed in claim 1, wherein: a sealing ring is arranged in the shell (14).

5. A washer detergent addition pump as claimed in claim 1, wherein: the bottom cover (2) is internally provided with reinforcing rib plates (23), the reinforcing rib plates (23) are connected with the bottom cover (2) and the limiting ring (6), four reinforcing rib plates (23) are arranged, and the four reinforcing rib plates (23) are uniformly distributed.

6. A washer detergent addition pump as claimed in claim 1, wherein: and a positioning column (24) is arranged on the lower end face of the bottom cover (2).