阅读说明：本技术 洗涤剂投放器 (Detergent dispenser ) 是由 王�华 鲍鹏飞 于 2019-04-25 设计创作，主要内容包括：洗涤剂投放器,具有进水阀、洗涤剂盒、泵和液体交换腔,该液体交换腔与所述进水阀的出口和所述泵的吸入口通连,所述洗涤剂盒连接阀门后与所述液体交换腔通连,所述液体交换腔连接单向阀A后与洗涤进液管路连接。本发明能防止计量泵受洗涤剂侵蚀,延长计量泵使用寿命。本发明用于洗衣机洗涤剂投放。(The detergent dispenser is provided with a water inlet valve, a detergent box, a pump and a liquid exchange cavity, the liquid exchange cavity is communicated with an outlet of the water inlet valve and a suction inlet of the pump, the detergent box is communicated with the liquid exchange cavity after being connected with a valve, and the liquid exchange cavity is connected with a washing liquid inlet pipeline after being connected with a one-way valve A. The invention can prevent the metering pump from being corroded by detergent and prolong the service life of the metering pump. The invention is used for putting detergent into the washing machine.)

1. The detergent dispenser is provided with a water inlet valve, a detergent box and a pump and is characterized in that a liquid exchange cavity is arranged, the liquid exchange cavity is communicated with an outlet of the water inlet valve and a suction inlet of the pump, the detergent box is communicated with the liquid exchange cavity after being connected with a valve, and the liquid exchange cavity is connected with a washing liquid inlet pipeline after being connected with a one-way valve A (5).

2. A detergent dispenser as claimed in claim 1, wherein the outlet of said pump is in communication with said wash liquor inlet conduit.

3. A detergent dispenser as claimed in claim 1 or claim 2, wherein said pump is a metering pump.

4. A detergent dispenser as claimed in claim 1 or claim 2, characterised in that said pump is a jet pump.

5. The detergent dispenser of claim 4, wherein a flow meter is disposed in a conduit connecting said fluid exchange chamber to said inlet of said jet pump.

6. A detergent dispenser as claimed in claim 1 or 2, characterized in that said detergent box is connected to said liquid exchange chamber after being connected to said valve, i.e. said detergent box is connected to said liquid exchange chamber after being connected to said one-way valve B (4).

7. A detergent dispenser according to claim 1 or 2, wherein said detergent box comprises a detergent box a and a detergent box B, each connected to a valve and communicating with said liquid exchange chamber.

8. Detergent dispenser according to claim 7, characterized in that a one-way valve B (4) and a two-position, three-way valve A (7) are provided; the communication path of the detergent box A and the liquid exchange cavity is as follows: the detergent box A, the one-way valve B inlet, the one-way valve B outlet, the two-position three-way valve A interface I (701), the two-position three-way valve A interface III (703) and the liquid exchange cavity; the communication path of the detergent box B and the liquid exchange cavity is as follows: a detergent box B, a two-position three-way valve A interface II (702), a two-position three-way valve A interface III and a liquid exchange cavity; the liquid exchange cavity is connected with a one-way valve A (5) and has the following communication ways: the liquid exchange cavity is a connector of the two-position three-way valve A, and a connector of the three-position three-way valve A is a one-way valve A.

9. The detergent dispenser according to claim 8, wherein a check valve C (12) is connected between the detergent box B and the second two-position three-way valve a, a check valve D (13) is connected to a connection pipe between the check valve C and the second two-position three-way valve a, and an outlet of the check valve D is connected to the washing liquid inlet pipe.

10. A detergent dispenser according to claim 1 or 2, said detergent box having a detergent box a, a detergent box B and a detergent box C, each of said three detergent boxes being connected to a valve and communicating with said liquid exchange chamber.

11. A detergent dispenser as claimed in claim 10, characterized by a one-way valve B (4), a two-position three-way valve a (7) and a two-position three-way valve B (8); the communication path of the detergent box A and the liquid exchange cavity is as follows: the detergent box A-one-way valve B inlet-one-way valve B outlet-two-position three-way valve A interface I (701) -two-position three-way valve A interface III (702) -two-position three-way valve B interface I (801) -two-position three-way valve B interface III (803) -liquid exchange cavity; the communication path of the detergent box B and the liquid exchange cavity is as follows: a detergent box B-a two-position three-way valve A interface two-position three-way valve A interface three-two-position three-way valve B interface one-two-position three-way valve B interface three-liquid exchange cavity; the communication path between the detergent box C and the liquid exchange cavity is as follows: the detergent box C-two-position three-way valve B interface two (802) -two-position three-way valve B interface three-liquid exchange cavity; the liquid exchange cavity is connected with the one-way valve A and has the following communication paths: the liquid exchange cavity is connected with a two-position three-way valve B connector, a three-position three-way valve B connector, a one-two-position three-way valve A connector, a three-two-position three-way valve A connector, a one-way valve A.

12. A detergent dispenser according to claim 1 or claim 2, wherein said liquid exchange chamber is a serpentine or serpentine coil type liquid exchange chamber.

13. A detergent dispenser as claimed in claim 11, wherein said liquid exchange chamber is a serpentine tube type liquid exchange chamber.

Technical Field

The invention relates to a fitting part of a washing machine, in particular to a detergent feeding device of the washing machine.

Background

The liquid detergent throwing device of CN 102031675B, which is proposed by the applicant, is provided with a fixed container, and the liquid detergent throwing device is provided with a valve body consisting of a valve body A and a valve body B, wherein a fixed volume chamber is arranged in the valve body, a water outlet nozzle, a water inlet nozzle, a liquid inlet nozzle and a gas nozzle are arranged outside the valve body, the valve body is provided with a valve A and a valve B, the upper part of the valve body is provided with a valve seat C, the valve body B is connected with a support, the support is opposite to the valve seat C, a valve ball with the density lower than that of water is arranged between the support and the valve seat C, the valve ball and the valve seat C form the valve C, the water outlet nozzle is connected with the fixed volume chamber through. The device can accurately put in the detergent, but has the defect that the putting amount of the detergent is limited by the volume of the constant volume cavity.

The applicant proposes a detergent feeding controller of CN 103898715B, wherein one end of a main channel is an inlet 101 for water, the other end of the main channel is an outlet 102 capable of being connected with a liquid inlet of a washing tub, and the detergent feeding controller is provided with a valve a2, a valve B3, a valve C4, a valve D5, a pump 6 and a nozzle 7, the inlet of the valve a is communicated with a bypass port Aa of the main channel, the inlet of the valve B is communicated with a detergent a liquid storage tank, the outlets of the valve a and the valve B are communicated with an inlet of the valve C, the inlet of the valve D is communicated with a detergent B liquid storage tank, the outlets of the valve C and the valve D are communicated with an inlet of the pump, the outlet of the pump is communicated with a bypass port Bb of the main channel, the bypass port a of the main channel is relatively close to the inlet of the main channel, the bypass port B is relatively close to the outlet of the main channel, and the nozzle is serially connected to the main channel and is. The present solution has the disadvantage that the detergent will flow into the pump, causing the pump to be susceptible to corrosion, shortening the service life of the pump.

Disclosure of Invention

The invention provides a detergent dispenser, aiming at solving the problem that in the prior art, detergent of a metering detergent dispenser flows through a metering pump, so that the metering pump is easy to damage.

In order to solve the problems, the invention adopts the technical scheme that the washing machine is provided with a water inlet valve, a washing agent box and a pump, and is characterized in that a liquid exchange cavity is arranged, the liquid exchange cavity is communicated with an outlet of the water inlet valve and a suction inlet of the pump, the washing agent box is communicated with the liquid exchange cavity after being connected with a valve, and the liquid exchange cavity is connected with a washing liquid inlet pipeline after being connected with a one-way valve A.

Suitably, the discharge of said pump is in communication with said wash liquor feed line.

The pump may be a metering pump.

The pump may also be a jet pump.

The liquid exchange cavity is communicated with a suction inlet of the jet pump, and a flow meter is arranged on a pipeline.

The detergent box is connected with the valve and then communicated with the liquid exchange cavity, namely the detergent box is connected with the one-way valve B and then communicated with the liquid exchange cavity.

The detergent box is provided with a detergent box A and a detergent box B, and the two detergent boxes are respectively connected with the valve and then communicated with the liquid exchange cavity.

The above-mentioned detergent box A and detergent box B are equipped with one-way valve B and two-position three-way valve A; the communication path of the detergent box A and the liquid exchange cavity is as follows: the detergent box A, the one-way valve B inlet, the one-way valve B outlet, the two-position three-way valve A port I, the two-position three-way valve A port III and the liquid exchange cavity; the communication path of the detergent box B and the liquid exchange cavity is as follows: a detergent box B-a two-position three-way valve A interface two-a two-position three-way valve A interface three-liquid exchange cavity; the liquid exchange cavity is connected with the one-way valve A and has the following communication paths: the liquid exchange cavity is a connector of the two-position three-way valve A, and a connector of the three-position three-way valve A is a one-way valve A.

Furthermore, a one-way valve C can be connected between the detergent box B and the second interface of the two-position three-way valve A, a one-way valve D is connected on a connecting pipeline of the one-way valve C and the second interface of the two-position three-way valve A, and an outlet of the one-way valve D is communicated with the washing liquid inlet pipeline.

The detergent box of the invention can also comprise a detergent box A, a detergent box B and a detergent box C, and the three detergent boxes are respectively connected with the valve and then communicated with the liquid exchange cavity.

The washing machine is provided with a detergent box A, a detergent box B and a detergent box C, and is provided with a one-way valve B, a two-position three-way valve A and a two-position three-way valve B; the communication path of the detergent box A and the liquid exchange cavity is as follows: a detergent box A, a one-way valve B inlet, a one-way valve B outlet, a two-position three-way valve A port I, a two-position three-way valve B port I, a three-liquid exchange cavity; the communication path of the detergent box B and the liquid exchange cavity is as follows: a detergent box B-a two-position three-way valve A interface two-position three-way valve A interface three-two-position three-way valve B interface one-two-position three-way valve B interface three-liquid exchange cavity; the communication path between the detergent box C and the liquid exchange cavity is as follows: a detergent box C-a two-position three-way valve B interface two-a two-position three-way valve B interface three-liquid exchange cavity; the liquid exchange cavity is connected with the one-way valve A and has the following communication paths: the liquid exchange cavity is connected with a two-position three-way valve B connector, a three-position three-way valve B connector, a one-two-position three-way valve A connector, a three-two-position three-way valve A connector, a one-way valve A.

Preferably, the liquid exchange cavity is a bellows-type or coil-type liquid exchange cavity.

Further, the liquid exchange cavity is a corrugated flat tube type liquid exchange cavity.

The metering pump in the invention can be a gear pump, a piston pump, a peristaltic pump, an electromagnetic pump and the like.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural view of the second embodiment;

FIG. 3 is a schematic diagram of a third structure of the embodiment;

FIG. 4 is a schematic structural view of the fourth embodiment;

FIG. 5 is a schematic structural view of the fifth embodiment;

FIG. 6 is a schematic diagram of a sixth configuration of the embodiment;

FIG. 7 is a schematic structural view of the seventh embodiment;

FIG. 8 is a schematic structural view of an eighth embodiment;

FIG. 9 is a schematic structural view of the ninth embodiment;

FIG. 10 is a schematic diagram of a tenth embodiment

FIG. 11 is a schematic structural view of an eleventh embodiment;

FIG. 12 is another schematic structural view of the eleventh embodiment;

FIG. 13 is a diagram showing a twelfth embodiment.

The figures are labeled with the corresponding parts: the device comprises a liquid exchange cavity 1, a first inlet and outlet 101, a second inlet and outlet 102, a metering pump 2a, a jet pump 2B, a water inlet valve 3, a check valve 4B, a check valve 5A, a valve 6A, a two-position three-way valve 7A, a first 701 interface, a second 702 interface, a third 703 interface, a three 8-position three-way valve B, a first 801 interface, a second 802 interface, a third 803 interface, a valve 9B, a valve 10C, an 11 flowmeter, a check valve 12C and a check valve 13D.

Detailed Description