Automatic washing liquid feeding device of washing machine

Abstract

The automatic washing liquid feeding device comprises a washing liquid box, a liquid injection opening is formed in the top of the washing liquid box, a liquid level detection device is arranged at the rear end of the washing liquid box, and the whole washing liquid box can be pulled out of a washing machine fixing base. The liquid feeding assembly comprises a feeding pump, a liquid inlet pipe and a liquid outlet pipe, one end of the liquid inlet pipe is connected with the washing liquid box, the other end of the liquid inlet pipe is connected with the feeding pump, and one end of the liquid outlet pipe is connected with the feeding pump; the liquid level detection device comprises two electrodes, the liquid level is judged by detecting the conduction state of liquid, the electrodes are connected to the control circuit board through wires, the split type washing liquid box can be integrally pulled, a user can rapidly fill washing liquid without disassembling the washing machine, and the sliding electrode liquid level detection device is sensitive in response and convenient to use. The sliding electrode is used for conveniently connecting voltage to the electrode on the washing liquid box, the influence of a power source connected to the electrode does not need to be considered, the liquid level detection precision is improved, the split type assembly design is adopted, and damaged parts are convenient to replace.

Description

Technical Field

[0001] This utility model relates to the field of washing machine technology, specifically to an automatic detergent dispensing device for washing machines. Background Technology

[0002] Traditional washing machines typically have a detergent dispenser fixed inside the machine, requiring users to open the top or side cover to add detergent, a cumbersome process prone to spillage. The detergent dispenser cannot be fully pulled out, further hindering filling and resulting in insufficient liquid level detection accuracy, affecting detergent dispensing efficiency. Therefore, we propose an automatic detergent dispensing device for washing machines. Summary of the Invention

[0003] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0004] In view of the problems existing in the above and / or existing automatic detergent dispensing devices for washing machines, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide an automatic detergent dispensing device for washing machines, which solves the problems of traditional detergent dispensers being unable to be pulled out for filling, complex liquid level detection, and low dispensing accuracy.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] An automatic detergent dispensing device for a washing machine, comprising:

[0008] The detergent dispenser has a filling port at the top and a liquid level detection device at the rear. It can be pulled out of the washing machine stand as a whole.

[0009] The liquid dispensing assembly includes a dispensing pump, an inlet pipe, and an outlet pipe. One end of the inlet pipe is connected to the detergent dispenser, and the other end is connected to the dispensing pump. One end of the outlet pipe is connected to the dispensing pump, and the other end is connected to the inner drum of the washing machine.

[0010] The liquid level detection device includes two electrodes, which determine whether the predetermined liquid level has been reached by detecting the liquid resistance. The electrodes are connected to the control circuit board via wires.

[0011] In a preferred embodiment of the automatic detergent dispensing device for washing machines described in this utility model, the electrode of the liquid level detection device is composed of a metal shaft, a spring, and a wire, with the spring making sliding contact with the electrode on the detergent box.

[0012] In a preferred embodiment of the automatic detergent dispensing device for washing machines described in this utility model, the liquid inlet of the detergent box is sealed by a liquid inlet plug, and the detergent box is provided with a detergent box cover.

[0013] In a preferred embodiment of the automatic detergent dispensing device for a washing machine described in this utility model, the dispensing component is fixedly connected to a fixing base by fastening screws, and the fixing base is integrated inside the washing machine.

[0014] In a preferred embodiment of the automatic detergent dispensing device for washing machines described in this utility model, the detergent dispenser and the detergent dispenser cover are connected by a snap-fit ​​or threaded seal.

[0015] Compared with the prior art, the advantages of this utility model are: the split detergent box can be pulled out as a whole, so users can quickly add detergent without disassembling the washing machine; the sliding electrode liquid level detection device is highly responsive and improves the accuracy of liquid level detection; and the split component design makes it easy to replace damaged parts. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of an automatic detergent dispensing device for a washing machine according to the present invention;

[0018] Figure 2 This is an exploded view of the overall structure of an automatic detergent dispensing device for a washing machine according to the present invention. Detailed Implementation

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] This invention provides an automatic detergent dispensing device for washing machines, which solves the problems of traditional detergent dispensers being unable to be pulled out for filling, complex liquid level detection, and low dispensing accuracy.

[0023] Figures 1-2 The diagram shown is an overall structural schematic of one embodiment of the automatic detergent dispensing device for a washing machine according to this utility model. Please refer to [link / reference]. Figures 1-2 An automatic detergent dispensing device for a washing machine according to this embodiment includes a detergent box 9, a liquid inlet at the top, and a liquid level detection device 7 at the rear end, which can be pulled out of the washing machine base 6 as a whole.

[0024] The liquid dispensing assembly includes a dispensing pump 1, an inlet pipe 3, and an outlet pipe 2. One end of the inlet pipe 3 is connected to the detergent box 9, and the other end is connected to the dispensing pump 1. One end of the outlet pipe 2 is connected to the dispensing pump 1, and the other end is connected to the inner drum of the washing machine. The dispensing pump 1 can pump the detergent in the detergent box 9 into the inner drum of the washing machine for dispensing.

[0025] The liquid level detection device 7 includes two electrodes, which determine whether a predetermined liquid level has been reached by detecting the liquid resistance. The electrodes are connected to the control circuit board via wires. The electrodes of the liquid level detection device 7 consist of a metal shaft, a spring, and wires. The spring 5 is in sliding contact with the electrode on the washing liquid box 9.

[0026] Furthermore, the filling port of the detergent container 9 is sealed by the filling port plug 8, and the detergent container 9 is provided with a detergent container cover 10. To add detergent to the detergent container 9, an appropriate amount of detergent can be injected through the dispensing port on the detergent container.

[0027] Furthermore, the spring 5 is fixedly connected to the fixing seat 6 by the fastening screw 4, and the fixing seat 6 is integrated into the inside of the washing machine. This facilitates easy pull-out replacement.

[0028] Furthermore, the detergent dispenser 9 and the detergent dispenser cover 10 are connected by a snap-fit ​​or threaded seal.

[0029] Compared with the prior art, this utility model has the characteristics of reasonable design, simple structure and convenient use.

[0030] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A laundry machine washing liquid automatic dispensing device, characterized in that, The application relates to a washing liquid box (9) provided with a liquid injection port at the top and a liquid level detection device (7) at the rear end, which can be pulled out from a washing machine fixing base (6) as a whole. The liquid injection assembly comprises a liquid injection pump (1), a liquid inlet pipe (3) and a liquid outlet pipe (2), one end of the liquid inlet pipe (3) is connected with the washing liquid box (9), the other end is connected with the liquid injection pump (1), one end of the liquid outlet pipe (2) is connected with the liquid injection pump (1), and the other end is connected with an inner drum of the washing machine. The liquid level detection device (7) comprises two electrodes, the electrodes are connected with a control circuit board through wires, and the liquid resistance is detected to determine whether the predetermined liquid level is reached. The electrodes of the liquid level detection device (7) are composed of a metal shaft, an elastic sheet (5) and wires, and the elastic sheet (5) is in sliding contact with the electrodes on the washing liquid box (9).

2. The laundry detergent automatic dispenser device according to claim 1, wherein, The liquid injection port of the washing liquid box (9) is sealed by a liquid injection port plug (8), and the washing liquid box (9) is provided with a washing liquid box cover (10).

3. The laundry detergent automatic dispenser device according to claim 1, wherein, The elastic sheet (5) is fixedly connected with the fixing base (6) through a fastening screw (4), and the fixing base (6) is integrated in the washing machine.

4. The laundry detergent automatic dispenser device according to claim 2, wherein, The washing liquid box (9) and the washing liquid box cover (10) are connected in a sealing mode through buckling or threads.

5. The laundry detergent automatic dispenser device according to claim 3, wherein, ​

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