CN204343058U - Detergent feeding device for washing machine - Google Patents

Abstract

The utility model relates to a detergent feeding device for washing machine, which comprises a water inlet box for feeding detergent and a shower head component clamped above the water inlet box, wherein the water inlet box comprises a shell and a first drawer which is matched with the shell in a drawing way, the first drawer is provided with a second drawer which is matched with the first drawer in a drawing way, the first drawer is used for automatically adding detergent, and the second drawer is used for manually adding detergent; the utility model discloses device is put in to more traditional detergent possesses manual interpolation and automatic interpolation function simultaneously, and structural design is more reasonable, and life is longer.

Description

Detergent injection device for washing machine

technical field

The utility model relates to a detergent feeding device for washing machines, in particular to a detergent feeding device with dual functions of manual and automatic feeding.

Background technique

At present, the detergent delivery system of fully automatic washing machines mostly adopts the method of manual drawer delivery, that is, there are multiple chambers for detergent in the drawer, and some manufacturers also use the automatic delivery system of drawer delivery and storage of liquid detergent. The storage box for automatic injection of liquid detergent and the chamber for manual injection are integrated on a drawer, which will easily cause damage to the liquid conductor or power plug device at the rear of the drawer after repeated use, affecting the service life.

Utility model content

In order to overcome the above problems, the utility model provides a detergent injection device for washing machines, which includes a water inlet box for injecting detergent and a shower assembly engaged on the top of the water inlet box. The water inlet box includes The casing and the first drawer that form a draw-and-pull cooperation with the casing, the first drawer is provided with a second drawer that forms a draw-and-pull cooperation, the head of the first drawer and the tail of the second drawer are respectively provided There are first and second limit blocks that cooperate with each other. The first drawer is provided with a limit switch that matches the shower assembly. When the second drawer is pulled outward to the limit position, the first and second The second limit blocks lean against each other; when the limit switch is turned on, the first drawer is pulled outwards driven by the second drawer;

The lower part of the housing is provided with a liquid discharge chamber communicating with the washing bucket, and at least one chamber is provided in the first and second drawers respectively, and the chambers in the second drawer are respectively connected to the shower head of the shower assembly. The part communicates with the liquid discharge chamber; the housing adjacent to the tail of the first drawer is also provided with a liquid storage box, and the first drawer is only connected to the liquid storage box through a communication valve; the inside of the shower assembly There are mutually independent mixing chambers and water inlet chambers, both of which are connected to the shower and are respectively connected with independent water inlet valves; the housing is also provided with a pump body , the pump body is respectively connected with the liquid storage box and the mixing chamber of the shower assembly through pipelines.

Preferably, the limit switch includes a pressing bar arranged on the first drawer and a third limiting block arranged on the pressing bar; the third limiting block engages with the shower assembly when the pressing bar is in a normal state, and When the bead is in the depressed state, it is separated from the shower assembly.

Preferably, the liquid storage box is equipped with a liquid level detection device; when the liquid level in the liquid storage box is too low, an automatic alarm will prompt the user that the detergent automatically injected is almost exhausted, and the customer is reminded to replenish it.

Preferably, a magnetic sensor is installed at the tail of the first drawer, and a magnet is provided on the housing corresponding to the magnetic sensor; when the first drawer is not closed in place, the magnetic sensor can remind the user that it is not installed in place to avoid improper use damage to the device.

Preferably, the pipeline between the pump body and the mixing chamber is provided with a one-way valve for preventing liquid backflow.

Preferably, the pump body is a gear pump, a piston pump or a two-in-one gear pump/piston pump.

The beneficial effect of the utility model is that: the delivery device of the utility model has the functions of automatic delivery and manual delivery, and a first drawer and a second drawer which are mutually pulled and matched are arranged in the same shell of the water inlet box, and a cavity is set in the first drawer. The chambers are respectively used to store liquid detergent, softener or disinfectant for long-term automatic feeding; the second drawer is provided with chambers for washing powder or detergent, which are one-time manual feeding, which is convenient for users. Selection; at the same time, the pulling process is convenient, and only the second drawer can be pulled out when manual feeding is required, which will not cause the separation and connection of the connecting valve or the power plug device, avoiding repeated use, and improving the service life of the connecting valve. And then can open the limit switch and draw out the first drawer and add in one go while pulling the second drawer for automatically throwing and storing the detergent.

At the same time, the first drawer and the second drawer cooperate with the housing and the shower assembly in different ways. When manually pouring, the water inlet valve of the water inlet chamber is opened to enter the water, and the washing powder or detergent in the second drawer is directly washed by water. into the laundry tub; while automatic release, first pull the first drawer, at this time the communication valve between the first drawer and the liquid storage box is disconnected, no liquid leakage will occur, and the available liquid can be added to the chamber of the first drawer Close the first drawer for liquid detergent, softener, etc. used several times; at this time, the first drawer is connected to the liquid storage box, and the detergent, etc. are transported into the mixing chamber of the shower assembly through the pump body, and the mixing chamber and The water inlet valve of the water inlet chamber is opened together, and the detergent is fully mixed by the water flow, and then enters the drain chamber through the second drawer and then enters the washing tub; the overall structure setting makes the customer's operation more convenient and effective, and improves the customer's comfort Spend.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail, wherein:

Fig. 1 is the overall schematic diagram of the utility model;

Fig. 2 is the exploded schematic view of the utility model;

Fig. 3 is the top view of the utility model;

Fig. 4 is the bottom view of the utility model;

Fig. 5 is a sectional view along the A-A plane in the utility model;

Figure 6 is a partial enlarged view of the limit switch of part I.

Detailed ways

Referring to Fig. 1-Fig. 5, a detergent dispensing device for a washing machine includes a water inlet box 1 for dispensing detergent and a shower assembly 2 engaged on the top of the water inlet box 1. The water inlet box 1 It includes a housing 10 and a first drawer 12 that forms a drawer fit with the housing 10. The first drawer 12 is provided with a second drawer 11 that forms a drawer fit with it; as shown in FIG. 4 , the head of the first drawer 12 The end and the tail of the second drawer 11 are respectively provided with a first limit block 14 and a second limit block 13 that cooperate with each other, and a limit switch 18 that is matched with the shower assembly is provided on the first drawer 12, referring to Fig. 6 The shown limit switch 18 includes a pressing bar 18a arranged on the first drawer and a third limiting block 18b arranged on the pressing bar. The third limiting block 18b is interlocked with the shower assembly 2 when the pressing bar 18a is in a normal state. When the bead 18a is in the depressed state, it will be separated from the shower assembly 2. That is, when the second drawer 11 is pulled outwards to the limit position, the first and second limit blocks 14, 13 abut against each other; at this time, the bead 18a of the limit switch 18 is pressed, and the third limit block 18b is in contact with the flower. The sprinkler assembly 2 is separated, and the first drawer 12 can be pulled out together under the drive of the second drawer 11 .

Referring to Fig. 5, the lower part of the housing 10 is provided with a liquid discharge chamber 15 communicating with the washing bucket, a chamber 16 for storing liquid detergent is provided in the first drawer 12, and a chamber 16 for storing liquid detergent is provided in the second drawer. There are chambers 17 for adding washing powder, detergent, etc. (the figure only shows an example of setting one chamber in the first and second drawers, but actually multiple chambers can be set according to needs to facilitate the distinction of adding different detergents ), the chamber 17 communicates with the shower part 21 of the shower assembly and the liquid discharge chamber 15 respectively; a liquid storage box 3 is also provided on the housing 1 adjacent to the tail of the first drawer 12, and the first drawer 12 communicates with the liquid storage box 3 only through the communication valve 19 , and does not communicate with the liquid discharge chamber 15 and the shower part 21 .

Referring to FIG. 3 , the shower assembly 2 is provided with a mixing chamber 22 and a water inlet chamber 23 which are independent of each other. Water inlet valve interfaces 25, 26; the housing 1 is also provided with a pump body 4, which is connected to the liquid storage box 3 and the mixing chamber 22 of the shower assembly 2 through a hose 5, and the pump body 4 can be selected For gear pumps, piston pumps or two-in-one gear pumps/piston pumps, a one-way valve 6 is provided on the hose 5 between the pump body 4 and the mixing chamber 22 to prevent the liquid in the mixing chamber 22 from flowing back.

Further, a liquid level detection device 7 is provided on the liquid storage box 3; when the liquid level in the liquid storage box 3 is too low, the liquid level detection device 7 automatically alarms to remind the user that the detergent automatically injected is almost exhausted, reminding the customer Make supplements. A magnetic sensor 8 is installed at the tail of the first drawer 12, and a magnet 9 is provided on the housing 1 corresponding to the magnetic sensor 8; when the first drawer 12 is not closed in place, the magnetic sensor 8 can remind the user that the water inlet box has not been pushed Specify the location to avoid damage to the device due to improper use.

The working process of the device is as follows: when adding manually, only the second drawer 11 needs to be pulled out. At this time, the limit switch 18 is not opened, and the first drawer 12 will not be drawn out together with the second drawer 11, so as to avoid long-term maintenance of the connecting valve. 19 Switch between connected and disconnected states to prolong the service life of the overall equipment; add washing powder, detergent, etc. in the chamber 13 of the second drawer 11 and then close the second drawer 11, at this time the water inflow of the shower assembly 2 Water enters the valve interface 26, and the water washes the washing powder and detergent in the chamber 13 into the liquid discharge chamber 15 through the shower part 21 and then enters the washing tub.

When adding in an automatic manner, open the limit switch 18 after pulling the second drawer 11 to the limit position, the first and second drawers 12, 11 are drawn out together, and the chamber 16 of the first drawer 11 is injected into the chamber 16 for more The liquid detergent used for the first time (if multiple chambers are designed, softener, disinfectant, etc. can be added correspondingly, and the liquid storage boxes are also set in one-to-one correspondence, and then the user can choose which one to add automatically through the overall control panel of the washing machine type of agent), close the first and second drawers 12, 11, and the magnetic sensor 8 prompts the user to install it in place; then the pump body 4 transports the liquid in the liquid storage box 3 into the mixing chamber 22 of the shower assembly 2 for further The water valve ports 25 and 26 are connected to the water at the same time, and the detergent is fully mixed in the mixing chamber 22 and then falls through the shower part 21, and then flows into the chamber 17, the drain chamber 15 and then enters the washing tub after being washed.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any skilled person familiar with the technical field can easily think of changes within the technical scope disclosed in the utility model Or replacement, all should be covered within the scope of protection of the present utility model. Therefore, the protection scope of the utility model is as the criterion with the protection scope of the claims.

Claims (6)

1., for a detergent throwing device for washing machine, comprise the water inflowing box for putting detergent and the shower components that is sticked in above water inflowing box, it is characterized in that:

Described water inflowing box comprises housing and forms with housing the first drawer that pull coordinates, described first drawer is provided with the second drawer forming with it pull and coordinate, the head of described first drawer and the afterbody of the second drawer are respectively equipped with first, second limited block cooperatively interacted, described first drawer is provided with the limit switch matched with shower components, when the outside pull of the second drawer is to extreme position, first, second limited block described mutually against; When opening described limit switch, the first drawer is outside pull under the drive of the second drawer;

Described lower housing portion is provided with the discharge opeing chamber be communicated with wash bucket, at least arranges a chamber respectively in first, second drawer described, the chamber in described second drawer respectively with gondola water faucet position and the discharge opeing chamber of shower components; The housing adjacent with the afterbody of described first drawer is also provided with liquid storage box, and described first drawer is connected with liquid storage box by communicating valve; Be provided with separate mixing chamber and water inlet chamber in described shower components, described mixing chamber is all communicated with gondola water faucet position with water inlet chamber and is connected to independently water intaking valve; Described housing is also provided with the pump housing, and the described pump housing is connected with the mixing chamber of shower components with liquid storage box respectively by pipeline.

2. a kind of detergent throwing device for washing machine according to claim 1, is characterized in that: described limit switch comprises the press strip be arranged on the first drawer and the 3rd limited block be arranged on press strip; Described 3rd limited block engages with shower components when press strip is in normal condition, when press strip is in pressed status and shower components depart from.

3. a kind of detergent throwing device for washing machine according to claim 1, is characterized in that: described liquid storage box is provided with liquid level detection device.

4. a kind of detergent throwing device for washing machine according to claim 1, is characterized in that: the afterbody of described first drawer is provided with magnetic inductor, described housing is provided with magnet with magnetic inductor opposite position.

5. a kind of detergent throwing device for washing machine according to claim 1, is characterized in that: the pipeline between the described pump housing and mixing chamber is provided with the check valve for preventing liquid backflow.

6. a kind of detergent throwing device for washing machine according to claim 1, is characterized in that: the described pump housing is gear pump, piston pump or two-in-one gear pump/piston pump.