CN217997600U

CN217997600U - Multi-cylinder liquid material feeding device

Info

Publication number: CN217997600U
Application number: CN202221486825.5U
Authority: CN
Inventors: 郅清华; 陆灿; 张凌禺; 裘瑞靖
Original assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Current assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-09
Anticipated expiration: 2032-06-13

Abstract

The embodiment discloses a multi-cylinder liquid material feeding device which comprises a water inlet, a first channel, a second channel and a backflow channel, wherein a first water inlet valve and a first venturi tube are arranged on the first channel; a second water inlet valve and a second Venturi tube are arranged on the second channel; a first branch is arranged between the first Venturi tube and the first cylinder, a second branch is arranged between the second Venturi tube and the second cylinder, the first branch and the second branch are both connected with an inlet of a backflow channel through a switching valve, and an outlet of the backflow channel is respectively connected with a negative pressure port of the first Venturi tube and a negative pressure port of the second Venturi tube; an extraction device for extracting the detergent is arranged on the backflow channel, one end of the extraction device is connected with the backflow channel, and the other end of the extraction device is connected with a distribution box for placing the detergent; the utility model discloses an in the extracting device extracts a plurality of barrels to the detergent in the distributor box, put in the precision height, wash and protect agent and rivers mixture to dissolve effectually.

Description

Multi-cylinder liquid material feeding device

Technical Field

The utility model belongs to the technical field of the washing machine puts in the device, concretely relates to device is put in to many barrels of liquid material.

Background

Many middle-high-end full-automatic washing machines in the prior art generally have an automatic feeding function, a user pours the detergent into a distributor box, the washing machine judges the number of clothes through program action, then the program automatically controls the feeding time and the feeding amount of the detergent, the purpose of accurately controlling the feeding amount of the detergent is achieved, the washing effect can be improved, the waste of the detergent can be reduced, and meanwhile, the water consumption for rinsing can also be reduced. Therefore, the washing machine with the automatic dispensing function is more and more accepted by the users.

With the health importance of users, there are more and more washing machines having a "classified washing" or "zone washing" function, and such washing machines generally have at least two washing machine cartridges for washing different clothes, respectively. In order to reduce the complexity of an automatic detergent feeding system, if one set of automatic feeding system can be used for respectively feeding detergent into different washing drums, the development of a multi-drum washing machine can be greatly promoted. In the multi-cylinder feeding device used in the current market, the channel structure between a detergent box and a main water channel is complex, and the mixing effect of detergent and water flow is poor; the detergent feeding amount of some multi-drum washing machines is greatly related to the working water pressure, the water pressure is fed back to a single chip microcomputer by a flowmeter, and then the single chip microcomputer controls the detergent feeding amount. When the water pressure is too low or too high, the throwing precision is reduced, and the throwing control structure is complex and the precision is not high. Therefore, it is necessary to design a multi-cartridge dispensing device for liquid materials to overcome the above difficulties.

Disclosure of Invention

The utility model designs a multi-cylinder liquid material feeding device aiming at the problems in the prior art, the utility model designs two channels connected with two washing machine cylinders, and extracts the detergent in the distribution box into the corresponding washing machine cylinder through an extracting device arranged in the return channel; respectively putting the washing and protecting agent into the plurality of cylinders by using the same putting system; the feeding precision is high, and the mixing and dissolving effect of the washing and protecting agent and the water flow is good.

The invention aims to be realized by the following technical scheme: a multi-cylinder liquid material feeding device comprises a water inlet, a first channel, a second channel and a backflow channel, wherein a first water inlet valve and a first Venturi tube are arranged on the first channel, and the tail end of the first channel is communicated with a first cylinder; one end of the first water inlet valve is communicated with the water inlet, the other end of the first water inlet valve is connected with the inlet of the first Venturi tube through a guide pipe, and the outlet of the first Venturi tube is communicated with the first cylinder; a second water inlet valve and a second Venturi tube are arranged on the second channel, and the tail end of the second channel is communicated with the second barrel; one end of the second water inlet valve is communicated with the water inlet, the other end of the second water inlet valve is connected with the inlet of a second Venturi tube through a guide pipe, and the outlet of the second Venturi tube is communicated with the second barrel; a first branch is arranged between the first Venturi tube and the first cylinder, a second branch is arranged between the second Venturi tube and the second cylinder, the first branch and the second branch are both connected with an inlet of a backflow channel through a switching valve, and an outlet of the backflow channel is respectively connected with a negative pressure port of the first Venturi tube and a negative pressure port of the second Venturi tube; the washing machine is characterized in that an extraction device for extracting the detergent is arranged on the backflow channel, one end of the extraction device is connected with the backflow channel, and the other end of the extraction device is connected with a distribution box for placing the detergent.

Preferably, the first channel, the second channel and the backflow channel are arranged between the upper cover and the lower cover, and the upper cover and the lower cover are tightly attached; a water storage tank fixedly connected with the lower cover is arranged below the lower cover, and the distribution box is arranged in the water storage tank.

Preferably, the switching valve is mounted on the upper end surface of the upper cover, the switching valve is respectively provided with a first port, a second port and a third port, the first port is connected with the outlet of the first branch, the second port is connected with the outlet of the second branch, and the third port is connected with the inlet of the return branch.

Preferably, the upper cover is provided with a first venturi tube and a second venturi tube, a first one-way valve is arranged between the outlet of the backflow channel and the negative pressure port of the first venturi tube, and a second one-way valve is arranged between the outlet of the backflow channel and the negative pressure port of the second venturi tube.

Preferably, the first check valve is installed in the lower cover and located below the negative pressure port of the first venturi tube, and the second check valve is installed in the lower cover and located below the negative pressure port of the second venturi tube.

Preferably, at least one distribution box for storing detergent is arranged in the water storage tank, and the extraction device at least comprises a pump body for extracting the detergent.

Preferably, when the extraction device is a single pump, the number of the single pumps corresponds to the number of the distribution boxes one to one, one end of the single pump is connected with the distribution boxes, and the other end of the single pump is connected with the return channel.

Preferably, when the extraction device is a two-way pump, the two-way pump is communicated with the two distribution boxes, and the two-way pump is communicated with the return channel.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses set up first passageway and second passageway, first passageway and first barrel intercommunication, second passageway and second barrel intercommunication, first passageway on the second branch road and second passageway assemble the backward flow passageway on, through set up one set of draw-out device alone on the backward flow passageway, just can throw the detergent in the distributor box respectively in first barrel or the second barrel.

2. The extracting device is usually an electric pump, the electric pump is directly connected with an electric control loop, and the capacity of extracting the detergent from the distribution box can be accurately controlled by controlling the working time of the electric pump through the electric control loop; the circuit structure is simple and reliable, and the detergent can be quantitatively extracted.

3. The water flow branched from the first branch and the second branch can be fully mixed with the detergent extracted from the backflow channel, then the detergent and the water flow enter the corresponding barrel along the first channel or the second channel, and the effect of mixing and dissolving the detergent and the water flow is good.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is an exploded view of the present invention;

FIG. 6 is a schematic diagram of the operation of the present invention;

FIG. 7 is a schematic diagram of the operation of the present invention;

fig. 8 is a working principle diagram of the present invention.

The mark in the figure is: 1. a water inlet; 2. a first channel; 3. a second channel; 4. a return channel; 5. a first water inlet valve; 6. a first venturi tube; 7. a first cylinder; 8. a second inlet valve; 9. a second venturi tube; 10. a second cylinder; 11. a first branch; 12. a second branch circuit; 13. a switching valve; 131. a first interface; 132. a second interface; 133. a third interface; 14. an extraction device; 15. a distribution box; 16. an upper cover; 17. a lower cover; 18. a water storage tank; 19. a first check valve; 20. a second one-way valve; 21. a single pump; 22. a two-way pump.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

as shown in fig. 1 to 8, the embodiment discloses a multi-barrel liquid material throwing device, which includes a water inlet 1, a first channel 2, a second channel 3 and a backflow channel 4, wherein the first channel 2 is provided with a first water inlet valve 5 and a first venturi tube 6, and the end of the first channel 2 is communicated with a first barrel 7; one end of the first water inlet valve 5 is communicated with the water inlet 1, the other end of the first water inlet valve 5 is connected with the inlet of the first Venturi tube 6 through a guide pipe, and the outlet of the first Venturi tube 6 is communicated with the first cylinder 7; a second water inlet valve 8 and a second Venturi tube 9 are arranged on the second channel 3, and the tail end of the second channel 3 is communicated with a second barrel 10; one end of the second water inlet valve 8 is communicated with the water inlet 1, the other end of the second water inlet valve 8 is connected with the inlet of a second Venturi tube 9 through a guide pipe, and the outlet of the second Venturi tube 9 is communicated with a second barrel 10; a first branch 11 is arranged between the first venturi tube 6 and the first cylinder 7, a second branch 12 is arranged between the second venturi tube 9 and the second cylinder 10, the first branch 11 and the second branch 12 are both connected with an inlet of the backflow channel 4 through a switching valve 13, and an outlet of the backflow channel 4 is respectively connected with a negative pressure port of the first venturi tube 6 and a negative pressure port of the second venturi tube 9; an extraction device 14 for extracting the detergent is arranged on the backflow channel 4, one end of the extraction device 14 is connected with the backflow channel 4, and the other end of the extraction device 14 is connected with a distribution box 15 for placing the detergent.

The first channel 2, the second channel 3 and the return channel 4 are arranged between an upper cover 16 and a lower cover 17, and the upper cover 16 is tightly attached to the lower cover 17; a water storage tank 18 fixedly connected with the lower cover 17 is arranged below the lower cover 17, and the distribution box 15 is arranged in the water storage tank 18. The switching valve 13 is mounted on the upper end surface of the upper cover 16, the switching valve 13 is respectively provided with a first interface 131, a second interface 132 and a third interface 133, the first interface 131 is connected with an outlet of the first branch 11, the second interface 132 is connected with an outlet of the second branch 12, and the third interface 133 is connected with an inlet of the return channel (4).

Be equipped with first venturi 6 and second venturi 9 on the upper cover 16, be equipped with first check valve 19 between the export of backward flow passageway 4 and the negative pressure mouth of first venturi 6, be equipped with second check valve 20 between the export of backward flow passageway 4 and the negative pressure mouth of second venturi 9. The first check valve 19 is installed in the lower cover 17 and located below the negative pressure port of the first venturi tube 6, and the second check valve 20 is installed in the lower cover 17 and located below the negative pressure port of the second venturi tube 9.

At least one distribution box 15 for storing detergent is arranged in the water storage tank 18, and the extraction device 14 at least comprises a pump body for extracting the detergent. When the extraction device 14 is a single pump 21, the number of the single pumps 21 corresponds to the number of the distribution boxes 15 one by one, one end of the single pump 21 is connected with the distribution boxes 15, and the other end of the single pump 21 is connected with the return channel 4. When the drawing device 14 is a two-way pump 22, the two-way pump 22 is communicated with the two distribution boxes 15, and the two-way pump 22 is communicated with the return channel 4.

The specific working process of the embodiment is as follows, the first water inlet valve 5 is opened, the main water flow enters the first cylinder 7 along the first channel 2, the negative pressure port of the first venturi tube 6 generates negative pressure, the switching valve 13 is switched to the first branch 11 to be communicated with the return channel 4, the extraction device 14 is powered on, and the extraction device 14 can extract the detergent in the corresponding distribution box 15 to the return channel 4; at this time, the working time of the device 14 is controlled by the electronic control module, so that the pumping capacity of the detergent can be accurately controlled. Because the negative pressure port of the first venturi tube 6 generates negative pressure, a part of the water flow between the first venturi tube 6 and the first cylinder 7 flows to the switching valve 13 through the first branch 11, and then flows into the return channel 4 along the switching valve 13; when the water flows through the outlet of the extracting device 14, the detergent extracted from the distribution box 15 is flushed into the backflow channel 4, and the water flow and the detergent flow back to the negative pressure port of the first venturi tube 6 through the first check valve 19, and then continue to be mixed and dissolved with the water flow in the first channel 1, and finally enter the first barrel 7.

Similarly, when the detergent is pumped into the second cylinder 10, the second water inlet valve 8 is opened, the switching valve 13 is switched to the second branch 12 to be communicated with the return channel 4, the pumping device 14 is powered on, and the pumping device 14 pumps the detergent in the corresponding distribution box 15 to the return channel 4; the detergent then enters the second drum 10 along the second channel 3.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The multi-cylinder liquid material feeding device is characterized by comprising a water inlet (1), a first channel (2), a second channel (3) and a backflow channel (4), wherein a first water inlet valve (5) and a first Venturi tube (6) are arranged on the first channel (2), and the tail end of the first channel (2) is communicated with a first cylinder (7); one end of the first water inlet valve (5) is communicated with the water inlet (1), the other end of the first water inlet valve (5) is connected with an inlet of a first Venturi tube (6) through a guide pipe, and an outlet of the first Venturi tube (6) is communicated with a first cylinder (7); a second water inlet valve (8) and a second Venturi tube (9) are arranged on the second channel (3), and the tail end of the second channel (3) is communicated with a second barrel (10); one end of the second water inlet valve (8) is communicated with the water inlet (1), the other end of the second water inlet valve (8) is connected with an inlet of a second Venturi tube (9) through a guide pipe, and an outlet of the second Venturi tube (9) is communicated with the second barrel (10); a first branch (11) is arranged between the first Venturi tube (6) and the first cylinder (7), a second branch (12) is arranged between the second Venturi tube (9) and the second cylinder (10), the first branch (11) and the second branch (12) are both connected with an inlet of the backflow channel (4) through a switching valve (13), and an outlet of the backflow channel (4) is respectively connected with a negative pressure port of the first Venturi tube (6) and a negative pressure port of the second Venturi tube (9); an extraction device (14) for extracting the detergent is arranged on the backflow channel (4), one end of the extraction device (14) is connected with the backflow channel (4), and the other end of the extraction device (14) is connected with a distribution box (15) for placing the detergent.

2. The liquid material multi-cylinder dispensing device according to claim 1, characterized in that the first channel (2), the second channel (3) and the return channel (4) are arranged between an upper cover (16) and a lower cover (17), and the upper cover (16) and the lower cover (17) are tightly attached; a water storage tank (18) fixedly connected with the lower cover (17) is arranged below the lower cover, and the distribution box (15) is arranged in the water storage tank (18).

3. The liquid material multi-cylinder delivery device according to claim 2, characterized in that the switching valve (13) is mounted on the upper end surface of the upper cover (16), the switching valve (13) is respectively provided with a first port (131), a second port (132) and a third port (133), the first port (131) is connected with the outlet of the first branch (11), the second port (132) is connected with the outlet of the second branch (12), and the third port (133) is connected with the inlet of the return channel (4).

4. Device is put in to liquid material multi-tube according to claim 2, characterized in that, be equipped with first venturi tube (6) and second venturi tube (9) on upper cover (16), be equipped with first check valve (19) between the export of backward flow passageway (4) and the negative pressure mouth of first venturi tube (6), be equipped with second check valve (20) between the export of backward flow passageway (4) and the negative pressure mouth of second venturi tube (9).

5. Liquid material multi-cartridge delivery device according to claim 4, wherein the first one-way valve (19) is mounted in the lower cap (17) below the negative pressure port of the first venturi tube (6), and the second one-way valve (20) is mounted in the lower cap (17) below the negative pressure port of the second venturi tube (9).

6. Device for multiple dosing of liquid material according to claim 2, characterised in that said tank (18) is provided with at least one dispensing capsule (15) for detergent and said extraction means (14) comprise at least one pump for extracting detergent.

7. The device for dosing liquid material into multiple cartridges according to claim 6, characterized in that when the extracting means (14) is a single pump (21), the number of the single pumps (21) corresponds to the number of the distribution boxes (15), one end of the single pump (21) is connected to the distribution boxes (15), and the other end of the single pump (21) is connected to the return channel (4).

8. Liquid material multi-cartridge dosing device according to claim 6, wherein when the extraction device (14) is a two-way pump (22), the two-way pump (22) is in communication with the two distribution boxes (15) and the two-way pump (22) is in communication with the return channel (4).