TW202214932A - washing machine - Google Patents

Abstract

A washing machine according to the present disclosure comprises: a body; an outer tub supported in a vibration-proof manner inside the body; a washing and draining tub rotatably supported inside the outer tub; a liquid agent case which is formed in a substantially box shape and supplies a liquid agent loaded therein to the inside of the outer tub or the washing and draining tub; and a water injection device which injects water into the liquid agent case. The inside of the liquid agent case is provided with a discharge path which is formed in a substantially inverted U shape and which discharges liquid inside the liquid agent case externally according to the siphon principle, and a wall which extends vertically is formed between a position where water from the water injection device falls and the discharge path.

Description

washing machine

The present disclosure is related to a washing machine.

Patent Document 1 discloses a washing machine in which liquid lotion or softener is put into a washing and dehydrating tank by a siphon phenomenon.

The washing machine in Patent Document 1 is provided with: a water tank; and a detergent injection device for injecting a liquid or a liquid mixture into the water tank. The lotion injection device includes a liquid accommodating portion, a accommodating portion cover, a first conducting passage, a conducting passage connecting portion, and a second conducting passage. The liquid accommodating part can accommodate liquid or a liquid-like mixture. The accommodating part cover partially or entirely covers the upper part of the liquid accommodating part. The first conducting passage is formed in a substantially cylindrical shape inside the liquid accommodating portion, and the lower end portion thereof is opened in the vicinity of the bottom of the liquid accommodating portion. The conduction path joint portion is connected to the upper end portion of the first conduction path, and is formed in an inverted U shape. The second conducting passage is formed in a substantially cylindrical shape, one end is connected to the conducting passage coupling portion, and the other end is opened outside the bottom of the liquid accommodating portion, and is disposed outside the first conducting passage. In addition, the liquid injection path formed by the first conducting path, the conducting path connecting portion, and the second conducting path is connected by one path, and a part is formed by the accommodating portion cover. prior art literature

Patent Literature Patent Document 1: Japanese Patent Laid-Open No. 2017-74284

The present disclosure provides a washing machine that suppresses interruption of the siphon phenomenon and can reliably inject liquid into the washing and dehydrating tank.

The washing machine of the present disclosure includes: a main body; an outer tub, which is supported in the main body in a vibration-proof manner; a washing and dewatering tub that is rotatably supported in the outer tub; The agent is supplied to the outer tank or the washing and dehydrating tank; and the water injection device is used to inject water into the liquid agent box. A discharge path is provided inside the liquid cartridge, the discharge path is formed in a substantially inverted U shape, and the liquid inside is discharged to the outside by the principle of siphon, between the position where the water of the water injection device falls and the discharge path, Walls extending up and down are formed.

In the washing machine of the present disclosure, the intrusion of air bubbles generated when the water of the water injection device falls into the discharge path is suppressed, and interruption of the siphon phenomenon is thereby suppressed, and the liquid can be reliably injected into the washing and dehydrating tank.

Form for carrying out the invention Hereinafter, embodiments will be described in detail with reference to the drawings. However, more detailed explanations than necessary are sometimes omitted. For example, the detailed description of well-known matters may be omitted, or the repeated description of substantially the same configuration may be omitted. This is to prevent the following description from becoming unnecessarily long so as to be easily understood by those skilled in the art.

In addition, the attached drawings and the following descriptions are provided for those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the scope of the application. (Embodiment 1)

Hereinafter, the washing machine 100 in Embodiment 1 will be described using FIGS. 1 to 9 . [1-1-1. Configuration of washing machine]

FIG. 1 is an external perspective view of the washing machine 100 in the first embodiment. 2 is an external perspective view of a state in which the lid body 3 of the washing machine 100 in Embodiment 1 is opened. FIG. 3 is a side sectional view of main parts of the washing machine 100 in Embodiment 1. FIG. In addition, in this embodiment, as shown in FIG. 3, the vertical direction in the state which installed the washing machine 100 may be described as an up-down direction. In addition, in this embodiment, the left side of the washing machine 100 in FIG. 3 is described as the front side (front side), and the right side of the washing machine 100 is described as the rear side (back side) in some cases.

As shown in FIGS. 1 , 2 and 3 , a top cover 2 is arranged on the upper part of the main body 1 , and a clothing inlet 7 is formed in the approximate center of the top cover 2 , and the clothing inlet 7 is rotatably provided in the The washing and dewatering tank 6 in the outer tank 14 communicates with each other. The outer groove 14 is vibration-proof and supported in the main body 1 .

The cover body 3 is pivotally supported on the rear part of the upper surface side of the top cover 2, and covers the clothes inlet 7 in a freely openable and closable manner. The liquid solution box 5 is provided at the rear of the clothes inlet 7 so as to be drawn out.

The operation display unit 4 is disposed at the rear of the upper surface side of the top cover 2 at a position behind the cover body 3 , receives various input settings during the washing operation, and displays the setting content and the operation status. A control device (not shown) for controlling the operation of the washing machine is arranged below the operation display unit 4 .

4 is an exploded perspective view showing the configuration of the top cover 2 and the agent injection device 8 of the washing machine 100 in the first embodiment.

As shown in FIG. 4 , the agent injection device 8 includes a water pouring and flowing part 10 composed of a water pouring device 9 and a flowing water part 11 ;

FIG. 5 is an exploded perspective view of the water pouring and flowing part 10 of the agent injection device 8 of the washing machine 100 in Embodiment 1. FIG.

As shown in FIG. 5 , the water injection device 9 is composed of the following components: a water injection cover 13 covering the upper surface; a water injection path portion 12 formed with a water flow path 27 ; The outside is communicated; and the electromagnetic water supply valve 15 is connected to the water guide port 17 of the water injection path portion, and can be opened and closed to introduce water. The water filling device 9 fills the liquid reagent cartridge 5 with water.

The water flow part 11 is formed to be inclined downward toward the clothes inlet 7 , and the water and the agent which have reached the water flow part 11 flow down the water flow part 11 and are put into the washing and dehydration tank 6 from the water flow part discharge port 11 a.

6 is a perspective view of the external appearance of the liquid agent cartridge 5 of the agent injection device 8 of the washing machine 100 in Embodiment 1. FIG.

As shown in FIG. 6 , the liquid reagent cartridge 5 is formed in a substantially box shape, and supplies the liquid reagent put into the inside into the outer tank 14 or the washing and dewatering tank 6 . An engaging claw 25 and a push button 24 are formed on the upper portion of the liquid reagent cartridge 5 . The engaging claw 25 is configured to engage with a water injection device-side engaging portion (not shown) on the lower surface of the water injection device 9 , and is disengaged by pressing the push button 24 . As a result, the liquid reagent cartridge 5 is housed in a detachable manner with respect to the water injection and flow unit 10 .

As shown in FIG. 6 , the liquid solution cartridge 5 includes a powder lotion input portion 18 , a liquid lotion input portion 21 , and a softener input portion 22 .

7 : is a top view of the water injection path part 12 of the agent injection device 8 of the washing machine 100 in Embodiment 1. FIG.

As shown in FIG. 7 , the flow path 27 is divided into a flow path 27a for powder lotion, a flow path 27b for liquid lotion, and a flow path 27c for softener, and is formed to correspond to the powder lotion input portion 18 and the liquid Lotion injection part 21 and softener injection part 22 .

The water flow path 27 is provided with a plurality of water injection ports 28 that communicate with the liquid reagent cartridge 5 provided below. Parts of the water injection ports 28, that is, a water injection port 28a for powder lotion, a water injection port 28b for liquid lotion, and a softener are respectively provided in the flow path 27a for powder lotion, the flow path 27b for liquid lotion, and the flow path 27c for softener. Use water injection port 28c. [1-1-2. Detailed configuration of liquid cartridge]

As shown in FIG. 6 , the liquid reagent cartridge 5 is formed in a substantially box shape opened upward. The inside of the liquid solution box 5 is divided into separate chambers such that the powder lotion input portion 18 , the liquid lotion input portion 21 , and the softener input portion 22 are each different.

In the powder lotion injection part 18, the rear outer peripheral wall 18a, which is the rear outer peripheral wall, is lower than the side outer peripheral walls 18b on both sides. Therefore, the injected water, the powder lotion, and the generated foam are released toward the water flow portion 11 over the rear outer peripheral wall 18a. Moreover, the discharge port 19 for powder lotion which opens downward is provided in the inner bottom surface of the powder lotion input part 18 . In addition, the inner bottom surface of the powder lotion input portion 18 is formed to be inclined toward the powder lotion discharge port 19 . Thereby, the water, the powder lotion, and the generated foam accumulated in the powder lotion input portion 18 flow down the inner bottom surface and are discharged to the flowing water portion 11 from the powder lotion discharge port 19 . Moreover, the scale 20 formed in a step shape is formed in the powder lotion injection part 18. As shown in FIG. The user can confirm the input amount of the powder lotion by visually checking the scale 20 .

8 is a plan view of the liquid reagent cartridge 5 of the reagent injection device 8 of the washing machine 100 in Embodiment 1. FIG. FIG. 9 is a longitudinal cross-sectional view of the liquid agent cartridge 5 of the agent injection device 8 of the washing machine 100 in Embodiment 1. FIG.

As shown in FIGS. 6 , 8 and 9 , on the inner bottom surfaces of the liquid lotion input portion 21 and the softener input portion 22 , a pipe portion 26 and a cap 23 that constitute a siphon structure are provided. In the duct portion 26, a discharge cylindrical portion 29 communicating with the lower side is formed on the near side. Furthermore, as shown in FIG. 9 , in the pipe portion 26 , the upper portion is covered with the cap 23 , and the suction cylindrical portion 32 is formed on the back side. The internal communication siphon flow inlet 33 . Similarly, in the piping portion 26 provided in the softener injection portion 22, the upper portion is covered by the cover portion 23, and the suction cylinder-shaped portion 32 is formed on the back side, and the suction cylinder-shaped portion 32 has the softener injection portion The siphon inlet 33 communicates with the inside of 22 . The discharge cylindrical portion 29 and the suction cylindrical portion 32 communicate with each other by an upper curved communication portion 34 formed in the upper portion, and the suction cylindrical portion 32, the upper curved communication portion 34, and the discharge cylindrical portion 29 form a substantially inverted U shape. shaped flow path. Here, a path constituted by the suction cylindrical portion 32 , the upper curved communication portion 34 , and the discharge cylindrical portion 29 is referred to as a discharge path. That is, a discharge path is provided inside the liquid cartridge 5, the discharge path is formed in a substantially inverted U shape, and the liquid inside is discharged to the outside by the principle of siphon.

The inner bottom surfaces of the liquid lotion injection part 21 and the softener injection part 22 are formed to incline downward toward the duct part 26 and the cap 23 , and a depression 30 is formed around the duct part 26 and the cap 23 .

As shown in FIGS. 6 , 8 , and 9 , on the rear side of the recess 30 of the liquid lotion injection portion 21 , the siphon inlet 33 is surrounded by a wall 31 extending vertically. The wall 31 is composed of a semicircular portion 31a and a straight portion 31b extending from both ends thereof.

Moreover, in the liquid lotion injecting part 21, the position where water falls from the water injection port 28b for liquid lotion is configured so that the front side water falling position 35a is separated from the rear side water falling position 35b, and the water falls over the entire surface. That is, the wall 31 extending up and down is formed between the position where the water supplied from the water injection device 9 falls and the discharge path.

On the other hand, in the softener injection part 22 , the position where the water falls from the softener water injection port 28c is constituted by the position 35c where the water falls only from the front side, and the rear side of the depression 30 is covered by the softener injection part 22 . The rear peripheral wall 22a is covered. [1-2. Action]

The electromagnetic water supply valve 15 is opened at a predetermined timing during the washing operation, and water is introduced into the water injection device 9 . The water introduced into the water filling device 9 is discharged to the liquid reagent cartridge 5 through the branched water flow path 27 . At this time, the water introduced into the flowing water path 27a for powder lotion is sprayed to the powder lotion input part 18 through the water injection port 28a for powder lotion. The water introduced into the flowing water path 27b for liquid lotion is sprayed to the liquid lotion input part 21 through the water injection port 28b for liquid lotion. The water introduced into the softening agent flowing water path 27c is sprayed to the softening agent injection part 22 through the softening agent water injection port 28c.

The water sprayed on the powder lotion input part 18 dissolves the powder lotion that has been put in and foams a part of the dissolved water, and is discharged from the powder lotion discharge port 19 to the flowing water part 11 and put into the washing and dehydration tank 6 .

On the other hand, the water sprayed to the liquid lotion input part 21 or the softener input part 22 gradually increases the water level while diluting the liquid lotion or the softener. Hereinafter, the liquid lotion will be described as an example.

The water level of the liquid detergent feeding portion 21 rises beyond the gap between the inner bottom surface of the liquid detergent feeding portion 21 and the cap 23 , that is, the siphon inlet 33 , and reaches the upper end of the liquid detergent feeding portion 21 .

Generally speaking, the viscosity of liquid lotion is much higher than that of water, and the resistance when passing through the siphon inflow port 33 and the suction cylindrical portion 32 is very large. In the period until the liquid lotion is sufficiently diluted with water, the siphon inflow port 33 is filled with a cleaning liquid having a relatively high concentration of the liquid lotion, so that the flow velocity of the cleaning liquid in the siphon inflow port 33 becomes slow.

The cleaning liquid in the siphon inflow port 33 and the suction cylindrical portion 32 decreases the viscosity of the liquid lotion by diluting the concentration of the liquid lotion as the amount of water injected into the liquid lotion input portion 21 increases. When the viscosity of the cleaning liquid is reduced, the resistance when the cleaning liquid passes through the siphon inflow port 33 and the suction cylindrical portion 32 is reduced, and the flow velocity is increased. The flow of the cleaning liquid with increased strength pushes the air sucked into the cylindrical portion 32 and the upper curved communication portion 34 to the discharge cylindrical portion 29 side, and starts a continuous liquid outflow operation by the principle of siphon (hereinafter, set as for siphon action).

The siphon operation is continued even after the water supply from the water injection device 9 is stopped, and the cleaning liquid sucked up by the liquid detergent input portion 21 is supplied to the washing and dewatering tank 6 . When the water level of the liquid lotion input part 21 is lower than the siphon inflow port 33, air enters from the siphon inflow port 33, and the siphon operation is terminated.

As shown in FIGS. 8 and 9 , the water injected from the water injection port 28b for liquid lotion falls on the front side of the siphon structure of the liquid lotion injecting portion 21 at the position 35a (arrow a) and the siphon structure on the front side where the water falls. Both of the positions 35b (arrow b) where water falls on the back side of the back side. The falling water collides with the cleaning solution stored in the liquid detergent input portion 21 to generate air bubbles. When air bubbles have penetrated into the siphon structure, an air layer will be formed in the upper part of the siphon structure, and there is a possibility that the siphon action may be interrupted even though the water supply is still in progress.

On the other hand, in the present disclosure, the air bubbles generated on the near side of the siphon structure of the liquid lotion injection part 21 move upward along the side walls of the front and side surfaces of the cap 23 (arrow c). Therefore, the air bubbles generated on the near side of the siphon structure move to the upper layer of the cleaning liquid.

On the other hand, a siphon inlet 33 is provided between the side wall of the cap 23 and the inner bottom surface of the liquid lotion injection part 21 on the back side of the siphon structure of the liquid lotion injection part 21 . Therefore, there is a fear that air bubbles may enter from the siphon inflow port 33 . In the present disclosure, since the wall 31 is formed so as to surround the periphery of the back side of the recess 30 , the air bubbles move upward along the semicircular portion 31 a of the wall 31 (arrow d). Therefore, the air bubbles generated on the back side of the siphon structure move to the upper layer of the cleaning liquid. That is, the air bubbles generated in the liquid detergent injection part 21 move to the upper layer of the cleaning liquid. In addition, the siphon inlet 33 enters the cleaning liquid from which the air bubbles in the lower layer have been removed, that is, liquid. The cleaning solution from which air bubbles have been removed passes through the straight portion 31b of the wall 31, and flows down toward the recess 30 from both sides to be sucked into the siphon structure. This suppresses the intrusion of air bubbles generated on the back side of the siphon structure of the liquid lotion injector 21 into the siphon inflow port 33 and prevents the siphon operation from being interrupted due to the intrusion of air bubbles generated in the middle of water supply from the water filling device 9 .

In addition, the wall 31 includes a semicircular portion 31a having a center of curvature on the discharge path side. Therefore, compared with the case of forming a linear wall, it becomes a structure which does not generate|occur|produce a bubble by collision with water. [action, etc.]

The washing machine in the present disclosure includes: a main body 1; an outer tank 14, which is supported in the main body 1 for anti-vibration; a washing and dewatering tank 6, which is rotatably supported in the outer tank 14 and accommodates laundry; a liquid agent box 5, which forms It is substantially box-shaped, and supplies the liquid agent that has been put into the inside into the outer tank 14 or the washing and dehydrating tank 6 ; A part of the lotion box 5, that is, the inside of the liquid lotion injection part 21, is provided with a discharge path, which is constituted by the pipe part 26 and the cap 23, and is formed so as to be connected by the suction cylinder-shaped part 32 and the upper part in a curved manner. The part 34 and the discharge cylindrical part 29 are formed in a substantially inverted U shape, and the liquid inside is discharged to the outside by the principle of siphon. Furthermore, a wall 31 extending up and down is formed between the position where the water of the water injection device 9 falls and the siphon inflow port 33 which is an inflow port of the discharge path.

Thereby, the air bubbles generated when the water falls can be suppressed from entering the discharge path from the siphon inflow port 33 .

Therefore, it is possible to prevent the siphon phenomenon from being interrupted due to the intrusion of air bubbles and to prevent the discharge of the liquid from the liquid detergent injection part 21 from being completed, so that the liquid in the liquid detergent cartridge 5 can be reliably injected into the washing and dewatering tank 6 .

Like the present embodiment, the wall 31 may be a semicircular portion 31a formed in a substantially circular arc shape having a center of curvature on the side of the siphon structure.

Thereby, the generated air bubbles are kept away from the siphon structure, and it is possible to suppress the occurrence of air bubbles caused by the falling water colliding with the wall.

As in the present embodiment, the siphon inlet 33 is provided on the side where the water from the water injection port 28b for liquid lotion falls, and the wall 31 may be arranged between the position where the water from the water injection port 28b for liquid detergent falls and the siphon inlet 33 .

Thereby, the intrusion of air bubbles can be suppressed on the side where the siphon inlet 33 side of the siphon structure is arranged.

Therefore, since the wall 31 can be provided at a position where air bubbles are effectively suppressed from the siphon inlet 33 , the liquid in the liquid reagent cartridge 5 can be surely injected into the washing and dewatering tank 6 . (Other Embodiments)

As described above, Embodiment 1 has been described as an example of the technology disclosed in the present application. However, the techniques in this disclosure are not so limited.

Therefore, other embodiments are exemplified below.

In Embodiment 1, as an example of the washing machine, a vertical type washing machine was described. Since the washing machine only needs to be a washing machine that injects liquid by a siphon structure, it is not limited to an upright washing machine. The washing machine may also be a front-loading washing machine or a double-tank washing machine.

In Embodiment 1, as an example of the wall, the wall 31 formed in a semicircle shape was described. Since the wall should just be formed between the position where the water of the water injection device falls and the discharge path, it is not limited to the semicircular shape. The wall may be substantially rectangular or curved. Moreover, in Embodiment 1, the wall 31 provided in the liquid lotion injection part 21 was demonstrated as an example of a wall. Since the wall is a member that suppresses the intrusion of air bubbles into the discharge path discharged to the outside by the principle of siphoning, it can also be provided in the softener injection portion.

industrial availability The present disclosure can be applied to a device that injects liquid by means of a siphon structure. Specifically, the present disclosure can be applied to upright washing machines, front-loading washing machines, double-tank washing machines, drink dispensers, and the like.

1: Ontology 2: top cover 3: cover 4: Operation display part 5: Liquid box 6: Washing and dehydration tank 7: Clothes input port 8: Agent injection device 9: Water injection device 10: Water injection part 11: Water Department 11a: Discharge port of the water section 12: Water injection path 13: Water injection cover 14: Outer slot 15: Electromagnetic water supply valve 17: Water guide port of water injection path 18: Powder lotion input section 18a, 22a: Rear peripheral wall 18b: Lateral peripheral wall 19: Discharge port for powder lotion 20: scale 21: Liquid Lotion Input Department 22: Softener input part 23: Cap 24: Press the button 25: Engagement claw 26: Pipeline 27: Flow Path 27a: Flow path for powder lotion 27b: Flow path for liquid lotion 27c: Flow path for softener 28: water injection port 28a: Water injection port for powder lotion 28b: Water injection port for liquid lotion 28c: Water injection port for softener 29: Discharge cylindrical part 30: Sag 31: Wall 31a: semicircular part 31b: straight part 32: Suction cylinder shape part 33: Siphon flow inlet 34: Upper curved connecting part 35a, 35c: The position where the water falls on the front side 35b: The position where the rear side falls into the water 100: washing machine a,b,c,d: arrows

FIG. 1 is an external perspective view of the washing machine in Embodiment 1. FIG.

2 is an external perspective view of a state in which the lid of the washing machine in Embodiment 1 is opened.

3 is a side sectional view of main parts of the washing machine in Embodiment 1. FIG.

4 is an exploded perspective view showing the structure of the top cover and the agent injection device of the washing machine in Embodiment 1. FIG.

FIG. 5 is an exploded perspective view of a water pouring and flowing part of the agent injection device of the washing machine in Embodiment 1. FIG.

6 is an external perspective view of a liquid agent cartridge of the agent injection device of the washing machine in Embodiment 1. FIG.

7 is a plan view of a water injection path portion of the agent injection device of the washing machine in Embodiment 1. FIG.

FIG. 8 is a plan view of the liquid agent case of the agent injection device of the washing machine in Embodiment 1. FIG.

9 is a longitudinal cross-sectional view of a liquid agent cartridge of the agent injection device of the washing machine in Embodiment 1. FIG.

5: Liquid box

21: Liquid Lotion Input Department

23: Cap

26: Pipeline

28b: Water injection port for liquid lotion

29: Discharge cylindrical part

30: Sag

31: Wall

31a: semicircular part

31b: straight part

32: Suction cylinder shape part

33: Siphon flow inlet

34: Upper curved connecting part

35a: The position where the water falls on the front side

35b: The position where the rear side falls into the water

a,b,c,d: arrows

Claims (3)

A washing machine has: ontology; The outer groove is supported in the aforementioned body for anti-vibration; The washing and dewatering tank is rotatably supported in the aforementioned outer tank; a liquid reagent box, which is formed in a substantially box shape, and supplies the liquid reagent that has been put into the inside into the outer tank or the washing and dehydrating tank; and The water injection device is used to inject water into the aforementioned liquid reagent box, A discharge path is provided inside the liquid cartridge, the discharge path is formed in a substantially inverted U shape, and the liquid inside is discharged to the outside by the principle of siphon. A wall extending up and down is formed therebetween. The washing machine of claim 1, wherein the wall includes a substantially circular arc-shaped portion having a center of curvature on the discharge path side. The washing machine of claim 1 or 2, wherein the inflow port of the discharge path is provided on the side of the water drop position of the water injection device, The said wall is arrange|positioned between the position where the water of the said water injection device falls, and the said inflow port.

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