KR101299498B1 - A laundry treatment machine - Google Patents

Abstract

Laundry processing apparatus of the present invention is a case formed with a poout access hole; An inner tub rotatably disposed in the case; A tube insertion hole formed in the case; A spray nozzle which is supported while being inserted into the pipe insertion hole and sprays the washing water into the inner tank; A radial protrusion hole formed by expanding a portion of the pipe insertion hole; And an injection nozzle formed in the injection nozzle and inserted through the radial protrusion hole, and when the injection nozzle is rotated in the insertion state, the injection nozzle is caught around the radial protrusion hole of the case. And radial protrusions to prevent separation from the tube insertion hole.

Description

Laundry treatment machine {A laundry treatment machine}

The present invention relates to a laundry treatment machine, and more particularly, by including a spray nozzle which can wet the cloth more evenly, and a spray nozzle coupling means which can facilitate the coupling of the spray nozzle, thereby washing and rinsing performance and assembly. It relates to a laundry treatment machine that can be improved more.

Generally, a laundry treatment machine uses water, detergents, and mechanical action to remove dirt from clothes, bedding, etc. (hereinafter, referred to as 'fo'), and dry hot air and mechanical action heated by a heater. It is divided into a dryer for drying the wet cloth using a back, and a dry combined washing machine having a washing function and a drying function.

In addition, the washing machine has a top rod type washing machine in which a cloth entry hole through which a cloth is introduced and exits is formed on the upper surface of the cabinet, and washing is performed by rotational flow generated when the inner tank is rotated, and a cloth entry hole is formed in the front of the cabinet and the drum is rotated. The washing machine may be classified into a drum washing machine in which washing is performed by a drop of cloth.

A conventional top load type washing machine includes a cabinet having an exterior and an open top surface, a top cover coupled to an opened top surface of the cabinet and having a po entry hole, a door rotatably installed in the po entry hole, and the cabinet. A base installed at a lower part of the cabinet, an outer tub installed inside the cabinet to store water, an inner tub disposed inside the outer tub and washing of cloth, and a motor device disposed below the inner tub to rotate the inner tub And a water supply device for supplying water into the outer tank, and a drainage device for draining the water in the outer tank. In addition, the washing machine is disposed in communication with the water supply device, and includes a detergent supply device for supplying a detergent with water.

However, in the conventional top load type washing machine, since the water supply device and the detergent supply device are disposed on the upper side of the cabinet, the detergent and water are supplied only to one side of the inner tank, and thus the fabric is not evenly wetted. If the fabric is not evenly wet, there is a problem that the washing and rinsing performance is reduced.

An object of the present invention to provide a laundry treatment apparatus that can evenly wet the cloth to improve the washing and rinsing performance.

Laundry processing apparatus of the present invention is a case formed with a poout access hole; An inner tub rotatably disposed in the case; A tube insertion hole formed in the case; A spray nozzle which is supported while being inserted into the pipe insertion hole and sprays the washing water into the inner tank; A radial protrusion hole formed by expanding a portion of the pipe insertion hole; And an injection nozzle formed in the injection nozzle and inserted through the radial protrusion hole, and when the injection nozzle is rotated in the insertion state, the injection nozzle is caught around the radial protrusion hole of the case. And radial protrusions to prevent separation from the tube insertion hole.

Alternatively, the laundry treatment machine of the present invention comprises a case formed with a poout; An inner tub rotatably disposed in the case; A tube insertion hole formed in the case; A spray nozzle which is supported while being inserted into the pipe insertion hole and sprays the washing water into the inner tank; A radial protrusion hole formed by expanding a portion of the pipe insertion hole; And formed in the injection nozzle, the insertion is made through the radial protrusion hole at the initial assembly position, and the radial protrusion hole periphery of the case at the assembly completion position in which the injection nozzle is rotated a predetermined angle from the initial assembly position. And a radial protrusion to prevent the injection nozzle from being separated from the pipe insertion hole.

The laundry treatment machine according to the present invention includes an injection nozzle for spraying the washing water into the inner tank, whereby the cloth is more uniformly wetted.

In addition, the laundry treatment machine according to the present invention includes a spray nozzle joining means for coupling the spray nozzle to the case, so that the spray nozzle joining means is configured so that the spraying range of the spray nozzle is within the preset spraying range during assembly. Since the assembly position can be guided, there is an effect that the assembly can be simplified in a state that the injection nozzle is rotated at a predetermined angle toward the side wall of the inner tank.

In addition, the laundry treatment machine according to the present invention includes a first coupling means which is fitted in the front-back direction during assembly of the injection nozzle and is engaged in the front-rear direction when the injection nozzle is rotated by a predetermined angle, thereby assembling the injection nozzle. After guiding and assembling is completed, there is an effect that can prevent the flow forward and backward.

In addition, the laundry treatment machine according to the present invention includes a second coupling means that is fitted to the case by the elastic force and locked in the rotation direction when the spray nozzle is rotated by a predetermined angle, thereby limiting the rotation angle of the spray nozzle and spray nozzle There is an effect that can prevent the flow in the direction of rotation.

In addition, the laundry treatment machine according to the present invention has the advantage of not only facilitating the assembly of the spray nozzle, but also firmly coupled to improve reliability and stability.

In addition, the injection direction of the injection nozzle is arranged to the optimal position, there is an effect that can prevent the overflow phenomenon during the injection of water and wetting the fabric more effectively.

1 is a perspective view of a top load type washing machine according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of the washing machine shown in FIG. 1.
3 is an exploded perspective view illustrating the coupling between the top cover and the injection nozzle shown in FIG. 1.
4 is a perspective view illustrating the injection nozzle shown in FIG. 3.
FIG. 5 is a perspective view of the jet nozzle shown in FIG. 4.
FIG. 6 is a plan view seen from the rear of the injection nozzle shown in FIG. 4.
FIG. 7 is a perspective view illustrating the nozzle cap shown in FIG. 3.
8 is a view showing the initial state of assembly of the injection nozzle and the top cover according to an embodiment of the present invention.
9 is a view of the injection nozzle and the top cover shown in FIG. 8 seen from the rear.
10 is a view showing the assembly completion state is the injection nozzle is rotated by a predetermined angle according to the embodiment of the present invention.
FIG. 11 is a view of the injection nozzle and the top cover illustrated in FIG. 10 seen from the rear.
12 is a longitudinal sectional view showing a state in which the injection nozzle according to the embodiment of the present invention is assembled to the top cover.

Hereinafter, a top load type washing machine (hereinafter referred to as a "washing machine") as an embodiment of a laundry treatment machine according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a top load type washing machine according to an embodiment of the present invention, Figure 2 is a longitudinal sectional view of the washing machine shown in FIG.

1 and 2, a washing machine according to a first embodiment of the present invention includes a case 1 forming an appearance and a leg assembly 10 coupled to a lower portion of the case 1.

The case 1 has an upper surface and a lower surface formed to be open, a cabinet 2 forming a side surface of a washing machine, a top cover 3 installed to cover an open upper surface of the cabinet 2, and the cabinet ( It includes a base (5) installed on the open lower surface of 2).

A drive device such as an outer tub 4 in which water is accommodated in the cabinet 2, an inner tub 6 disposed inside the outer tub 4 and containing laundry, and a motor for driving the inner tub 6. (8), a water supply assembly for supplying water into the outer tub 4, and a drainage assembly 20 for draining the water in the outer tub 4 after washing or dehydration is completed.

In addition, the case 1 further includes a detergent supply unit 30 installed in the top cover 3 to temporarily store detergent. The detergent supply unit 30 is formed to supply a detergent into the inner tank 6 together with water supplied in connection with the water supply assembly.

The top cover 3 is provided with a cloth entrance hole 3a to put or take out the cloth. The top cover 3 is provided with a door 40 for opening and closing the gun access hole (3a). At least a part of the door 40 may be made of glass so that the inside of the door 40 can be seen. That is, the door 40 includes a frame portion 40a and a glass portion 40b sandwiched between the frame portion 40a.

In addition, one side of the top cover 3 is equipped with a display panel 7 for inputting the operation of the washing machine or displaying the operating state of the washing machine.

The outer tub 4 is arranged to be suspended by a plurality of suspensions 15 on the inner top of the cabinet 2. One end of the suspension 15 may be coupled to an inner upper portion of the cabinet 2, and the other end thereof may be coupled to a lower portion of the outer tub 4.

A pulsator (9) is provided on the bottom surface of the inner tank (6) to form a rotating water flow of the water contained in the outer tank (4). The pulsator 9 is integrally formed with the inner tub 6, so that the inner tub 6 and the pulsator 9 may rotate together when the motor is rotated, and the pulsator 9 is It is also formed separately from the inner tank 6, it is possible to rotate separately when the motor is rotated.

On the upper side of the inner tank 6, there is provided a balancer 12 for preventing the inner tank 6 from being out of balance due to the inclination of the can. The balancer 12 may be a liquid balancer filled with a liquid such as salt water.

On the upper side of the outer tank (4), an outer tank cover (14) is provided to prevent the separation of the bag and the scattering of water.

The water supply assembly includes an external hose 11 for guiding water supplied from an external faucet, etc. to the washing machine, a water supply valve 12 connected to the external hose 11 to regulate water supply, and the water supply valve ( 12) and a water supply hose 13 connecting the detergent supply unit 30. The water supply valve 12 and the water supply hose 13 form a water supply passage for supplying water.

The detergent supply unit 30 is disposed on the water supply passage. The detergent supply unit 30 includes a detergent box housing 31 installed in communication with the water supply hose 13, a detergent box 32 detachably attached to the detergent box housing 31, and the detergent box housing ( It is fixed to 31 and disposed on the upper surface of the detergent box 32 includes a detergent box cover for spraying water.

The detergent box housing 31 is installed in a detergent box installation part formed at one side of the top cover 3.

The detergent box 32 is coupled to the detergent box housing 31 so that a user can take it out of the detergent box housing 31 to inject detergent. The detergent box 32 may be coupled to the detergent box housing 31 so as to slide forward and backward. At least a part of the rear surface of the detergent box 32 may be opened, and detergent may be introduced into the detergent box housing 31 through the rear surface of the detergent box 32 when water is supplied.

The drainage assembly 20 includes a first drain hose 21 connected to the lower portion of the outer tub 4, a drain valve 22 installed on the first drain hose 21 to control the drainage of water, and water A drain pump housing 24 including a drain pump for pumping a second drain hose connected to the drain pump housing 24 and draining the water pumped by the drain pump to the outside of the cabinet 2; 25). A drain motor for driving the drain pump is housed in the drain pump housing 24.

The drainage assembly 20 may be disposed between the outer tub 4 and the base 5.

3 is an exploded perspective view illustrating the coupling of the top cover and the injection nozzle shown in FIG. 1, FIG. 4 is a perspective view illustrating the injection nozzle shown in FIG. 3, and FIG. 5 is a rear view of the injection nozzle shown in FIG. 4. 6 is a plan view seen from the rear of the injection nozzle shown in FIG. 4, and FIG. 7 is a perspective view showing the nozzle cap shown in FIG.

Referring to FIG. 3, the washing machine includes a spray nozzle 50 for spraying water supplied from the water supply passage into the inner tank 6, and a spray nozzle coupling for coupling the spray nozzle 50 into the case 1. It further comprises means.

The injection nozzle coupling means couples the injection nozzle 50 to the case 1. In this embodiment, the injection nozzle coupling means is coupled to the top cover 3 of the case 1.

The top cover 3 is formed such that the detergent box installation part 3b is opened on one side facing the fabric access hole 3a. The detergent box housing 31 is installed in the detergent box installation part 3b, and the detergent box 32 is installed in the detergent box housing 31.

In addition, the top cover 3 is formed with a jet nozzle coupling part 60 to be coupled to the jet nozzle 50 by the jet nozzle coupling means.

The injection nozzle coupler 60 may be formed at a position spaced apart from the detergent box installation part 3b laterally by a predetermined interval. However, the present invention is not limited thereto, and the injection nozzle coupler 60 may be formed at another position in the top cover 3 toward the cloth access hole 3a.

The injection nozzle 50 may be supplied with water from the water supply hose 13 or may be supplied with water through the detergent box 32. Here, the injection nozzle 50 will be described as limited to receiving water directly from the water supply hose 13.

That is, the injection nozzle 50 is connected to the nozzle water supply hose (not shown) branched from the water supply hose 13, the water passing through the water supply hose 13 and the nozzle water supply hose (not shown) in order Will be sprayed. The nozzle water supply hose may be separately provided with a nozzle water supply valve (not shown) for controlling the water supplied to the injection nozzle (50).

Meanwhile, the present invention is not limited thereto, and the nozzle water supply hose secured to the injection nozzle 50 may not be branched from the water supply hose 13, but may be disposed separately from the water supply hose 13.

The injection nozzle 50 is in communication with the nozzle water supply hose (not shown) and the pipe portion 51 for guiding the water, and the injection portion 52 which is formed at the end of the pipe portion 51 to inject water; In addition, the radially expanded between the pipe portion 51 and the injection portion 52 includes a reinforcing plate portion 53 for reinforcing the bonding strength with the top cover (3).

The pipe portion 51 is fitted to the injection nozzle coupling portion 60 of the top cover (3).

The injection nozzle coupling part 60 is formed with a pipe insertion hole 61 so that the pipe 51 is fitted in the center thereof. The pipe insertion hole 61 is formed to correspond to the shape of the pipe 51.

4 to 5, the injection part 52 is formed to extend downward from the upper part of the pipe part 51 to be inclined downward, and extends downward from the lower part of the pipe part 51 to form the upper plate part ( It consists of the lower board part 52b which opposes 52a, and the left and right board parts 52c and 52d which connect between the upper board part 52a and the lower board part 52b. The upper and lower plate portions 52a and 52b and the left and right plate portions 52c and 52d may be integrally formed and end portions may be rounded.

The upper plate portion 52a limits the upward spray angle of the water sprayed through the spraying portion 52, and the left and right plate portions 52c and 52d have the left and right directions of the water sprayed through the spraying portion 52. The injection angle can be limited.

The upper plate portion 52a is formed to be inclined downward from the pipe portion 51, and the upper plate portion 52a and the lower plate portion 52b are formed to be expanded in the vertical direction.

Depending on the angle (V) formed between the upper plate portion 52a and the lower plate portion 52b, the spraying peak may be different when the water is sprayed. Hereinafter, the predetermined angle V is defined as 'up and down tilt angle'.

The seat plate portion 52c is formed to be inclined leftward from the pipe portion 51, and the right plate portion 52d is formed to be inclined rightward from the pipe portion 51. That is, the seat plate portion 52c and the right plate portion 52d may have a shape that opens in the left and right directions.

Depending on the angle θ1 formed between the seat plate portion 52c and the right plate portion 52d, the injection angle of the water in the right and left directions is changed. Hereinafter, angle (theta) 1 is defined as "injection width angle."

In addition, the spray nozzle 50 is disposed to be rotated at a predetermined angle so that the direction of the wash water is biased toward either one of the left and right walls of the inner tank 6 when installed in the top cover (3). Therefore, the injection nozzle 50 must be oriented toward either one of the left and right walls of the inner tub 6 so that the washing water may wet the side wall as well as the bottom surface of the inner tub 6.

That is, referring to Figure 10 to be described later, the injection nozzle 50 is aligned in a state rotated at a predetermined angle (θ2) in the vertical center line (L) of the tube insertion hole 51 of the top cover (3) do. Hereinafter, the angle θ2 is defined as the 'lateral injection angle'.

The injection nozzle 50 prevents overflow of the water sprayed through the injection unit 52 from overflowing the inner tank 6 and sufficiently wets the cloth contained in the inner tank 6. The shape design of the injection unit 52 should be made to have an injection range that can be.

In order to have the predetermined injection range as described above, the vertical inclination angle V of the injection portion 52, the injection width angle θ1 formed by the seat plate portion 52c and the right plate portion 52d, and the minute The lateral injection angle θ2 of the dead part 52 is an important variable.

Therefore, when the predetermined injection range is set, the vertical inclination angle V, the injection width angle θ1, and the lateral injection angle θ2 may be determined to satisfy the set injection range. .

The vertical inclination angle V and the injection width angle θ1 are reflected when the shape of the injection nozzle 50 is manufactured.

The lateral injection angle θ2 is reflected when the injection nozzle 50 is coupled to the top cover 3.

The washing machine guides the assembly position of the injection nozzle 50 in consideration of the lateral injection angle θ2, while the injection range of the injection nozzle 50 falls within a preset injection range. It further comprises a spray nozzle coupling means for coupling to the top cover (3).

The injection nozzle coupling means 70 and 80 may be disposed on at least one of the injection nozzle 50 and the top cover 3 and coupled to the other.

The injection nozzle coupling means (70, 80), the first coupling means for guiding the assembly position of the injection nozzle 50 and to prevent the injection nozzle 50 flows in the front and rear direction after the assembly is completed 70 and the second coupling means 80 for rotating the spray nozzle 50 at a predetermined angle to be locked in the rotation direction to limit the rotation angle of the injection nozzle 50 and prevent the flow in the rotation direction. Include.

The first coupling means 70 is disposed on at least one of the injection nozzle 50 and the top cover 3, and when the assembly of the injection nozzle 50 is inserted into the other in the front and rear direction to guide the assembly position When the injection nozzle 50 is rotated by a predetermined angle, it is caught in the front-rear direction.

The first coupling means 70, the rear projection 71 formed in the injection nozzle 50 and protrudes back toward the top cover 3, and the rear projection formed and fitted to the top cover 3 It includes a rear projection coupling hole 74 made of an arc shape so that the 72 is rotated by a predetermined angle.

In the present exemplary embodiment, the rear protrusion 72 is formed in the injection nozzle 50, and the rear protrusion coupling hole 74 is formed in the top cover 3. However, the present invention is not limited thereto, and the rear protrusion 72 may be formed in the top cover 3, and the rear protrusion coupling hole 74 may be formed in the injection nozzle 50.

The rear protrusion 72 may be formed to protrude rearward from the rear surface of the reinforcing plate portion 53 of the injection nozzle 50.

Referring to FIG. 3, the rear protrusion coupling hole 74 includes a fitting portion 74a in which the rear protrusion 72 is fitted in the front-rear direction, and rotation of the injection nozzle 50 in the fitting portion 74a. It includes a rotating portion 74b extending in the direction to form an arc.

The rear protrusion 72 is fitted to the fitting portion 74a in the front-rear direction, and is formed in a shape that is caught by the rotating portion 74b.

An end portion of the rear protrusion 72 may have a locking step 72a smaller than the area of the fitting portion 74a and larger than the area of the rotating portion 74b so as to be caught by the rotating portion 74b.

In the present embodiment, the rear projection 72 is formed in a cylindrical shape, the locking jaw 72a is described as being formed in a hemispherical shape that is extended in the cylindrical portion and the end is rounded. Since the locking jaw 72a has a hemispherical shape, the locking jaw 72a may be easily fitted to the fitting portion 74a. However, the present invention is not limited thereto, and the rear protrusion 72 may have a hook shape in cross section.

3 to 6, the first coupling means 70 includes radial protrusions 76 protruding in the radial direction from the pipe part 51 and the radial protrusions in the top cover 30. It further includes a radial projection hole 78 formed to correspond to the shape of (76).

In the present exemplary embodiment, two radial protrusions 76 are formed at intervals of 180 degrees.

On the other hand, the second coupling means 80 is formed on the injection nozzle 950, the elastic projection 82 formed to have an elastic force in the front and rear direction, and the top cover 3, the injection nozzle 50 is formed It includes an elastic protrusion coupling hole 84 is formed so that the elastic protrusion 82 is fitted after being rotated by a predetermined angle.

3 to 6, the elastic protrusion 82 is formed by cutting a part of the reinforcing plate portion 53 of the injection nozzle 50.

One side of the elastic protrusion 82 is connected to the reinforcing plate portion 53 to form a connecting portion 82a, and three sides of the elastic protrusion 82 includes an elastic portion 82b having an elastic force in the front-rear direction.

The elastic protrusion 82 is formed to protrude rearward from the reinforcing plate portion 53 toward the end.

The elastic protrusion 82 has a smaller cross-sectional area toward the rotation direction of the injection nozzle 50, that is, the direction in which the elastic protrusion 82 is fitted into the elastic protrusion coupling hole 84. That is, the rear surface of the elastic protrusion 82 is formed to have an inclined surface. Therefore, the fitting of the elastic protrusion 82 is facilitated.

The elastic protrusion coupling hole 84 may be formed in an arc shape so that the elastic protrusion 82 is fitted in the rotation direction after the injection nozzle 50 is rotated at a predetermined angle.

In addition, the washing machine further includes a nozzle cap 90 that covers the front of the injection nozzle 50 to form an appearance.

An indentation protrusion 56 protrudes from the front surface of the injection nozzle 50 so as to be press-fitted into the nozzle cap 90. The indentation protrusion 56 may have a cross shape.

The nozzle cap 90 is formed with an opening 92 having a lower portion thereof to correspond to the injection hole of the injection nozzle 50.

FIG. 8 is a view illustrating an initial state of assembling the injection nozzle and the top cover according to an exemplary embodiment of the present invention, and FIG. 9 is a view of the injection nozzle and the top cover illustrated in FIG. 8 as viewed from the rear.

8 and 9, when the injection nozzle 50 is to be assembled to the injection nozzle coupling portion 60 of the top cover 3, first, the rear protrusion 72 is connected to the rear protrusion coupling hole. It fits in the fitting part 74a of 74, and the said radial projection 76 fits in the said radial projection coupling hole 78. As shown in FIG.

The rear protrusion 72 is fitted to the fitting portion 74a of the rear protrusion coupling hole 74, and the radial protrusion 76 is fitted to the radial protrusion coupling hole 78 in an initial position of assembly. Corresponding.

The initial position N1 of the injection nozzle 50 is rotated a predetermined angle counterclockwise from the vertical center line L of the pipe insertion hole 51 of the top cover 3.

When the injection nozzle 50 is in the assembly initial position N1, the elastic projection 82 is against the front surface of the injection nozzle coupling portion 60. The elastic protrusion 82 is originally protruded rearward, but by being opposed to the front surface of the injection nozzle coupling portion 60, the elastic protrusion 82 is pressed forward by the front surface of the injection nozzle coupling portion 60.

10 is a view showing the assembly completion state is the injection nozzle is rotated by a predetermined angle in accordance with an embodiment of the present invention, Figure 11 is a view showing the injection nozzle and the top cover shown in Figure 10, Figure 12 Longitudinal cross-sectional view showing a state in which the injection nozzle according to the embodiment of the present invention is assembled to the top cover.

Referring to FIGS. 10 and 11, the injection nozzle 50 is aligned to an initial assembly position N1, and then the injection nozzle 50 is rotated clockwise at a predetermined angle W. FIG. Hereinafter, the predetermined angle W is referred to as the injection nozzle rotation angle W.

The injection nozzle rotation angle W is set accordingly when setting the above-mentioned lateral injection angle θ2. The lateral injection angle θ2 represents an angle at which wash water is directed toward the side wall of the inner tub 6, and the injection nozzle rotation angle W is used to adjust the lateral injection angle θ2. The position and length of the 74, the design variable for determining the position of the elastic projection coupling hole 84.

When the spray nozzle 50 is rotated clockwise by the spray nozzle rotation angle W, the rear protrusion 72 is rotated along the fitting portion 74b of the rear protrusion coupling hole 74 to complete the assembly position. It is located at (N2).

In addition, when the injection nozzle 50 is rotated, the elastic projection 82 is located in front of the elastic projection coupling hole 84 and is fitted in the front and rear direction by the elastic force.

Therefore, the injection nozzle 50 may be rotated by the injection nozzle rotation angle W at the initial assembly position N1 to be positioned at the assembly completion position N2.

Referring to FIG. 11, after the injection nozzle 50 is rotated to the assembly completed position N2, the rear protrusion 72 and the radial protrusion 76 are positioned on the rear surface of the top cover 3 to be moved forward and backward. In the direction. Therefore, the forward and backward flow of the injection nozzle 50 can be prevented.

In addition, since the elastic protrusion 82 is fitted in the elastic protrusion coupling hole 84 and locked in the rotation direction, the flow direction of the injection nozzle 50 may be prevented.

Those skilled in the art will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

1: case 3: top cover
50: injection nozzle 51: tube
52: spraying portion 53: reinforcing plate portion
60: injection nozzle coupling portion 70: first coupling means
72: rear projection 74: rear projection coupling hole
76: radial projection 80: second coupling means

Claims (22)

A case formed with a gun entrance hole;
An inner tub rotatably disposed in the case;
A tube insertion hole formed in the case;
A spray nozzle which is supported while being inserted into the pipe insertion hole and sprays the washing water into the inner tank;
A radial protrusion hole formed by expanding a portion of the pipe insertion hole; And
Is formed in the injection nozzle, the insertion is made through the radial projection hole, and when the injection nozzle is rotated in the insertion state is caught in the peripheral portion of the radial projection hole of the case, the injection nozzle is the pipe portion Laundry treatment device comprising a radial projection to prevent separation from the insertion hole. The method of claim 1,
The laundry water sprayed through the spray nozzle is in contact with the side wall and the bottom surface of the inner tank. The method of claim 1,
A rear protrusion protruding from the injection nozzle toward the case; And
Is formed in the case is inserted into the rear projections, and guides the rotational movement of the rear projections in accordance with the rotation of the injection nozzle, when the injection nozzle is rotated to a predetermined angle so that no further rotation of the rear projections Laundry treatment apparatus further comprises a rear projection coupling hole for restraining movement. The method of claim 3, wherein
An elastic protrusion coupling hole formed in the case; And
An elastic protrusion extending from the injection nozzle,
The elastic protrusions,
Laundry machine is located in the elastic projection engaging hole in the position where the injection nozzle is rotated to the predetermined angle. 5. The method of claim 4,
The elastic protrusions,
An end opposite to the connection part with the injection nozzle is projected toward the case, and elastically bent with respect to the connection part by pressure applied to the protruding end through contact with the case,
The end of the elastic protrusions,
Laundry machine is located in the elastic projection engaging hole in the position where the injection nozzle is rotated to the predetermined angle. The method of claim 5, wherein
The elastic protrusions,
In the initial position of the injection nozzle where the rear projection is inserted into the rear projection coupling hole, the protruding end is pressed by contact with the case, and the case is rotated to the predetermined angle in the case where the injection nozzle is rotated to the predetermined angle. The laundry processing device is inserted into the elastic protrusion coupling hole by the contact with the release is restored to the original position. The method according to claim 6,
The elastic protrusions,
Laundry treatment device that is caught around the elastic projection engaging hole of the case. The method of claim 7, wherein
The elastic protrusions,
Laundry treatment device is caught in the rotation direction of the injection nozzle. The method of claim 5, wherein
The spray nozzle
A pipe portion into which washing water is introduced;
An injection unit forming an injection hole for injecting the washing water flowing along the pipe into the inner tank; And
A reinforcing plate portion extending radially between the pipe portion and the spraying portion,
The elastic protrusions,
Laundry treatment device formed on the reinforcing plate. The method of claim 9,
The elastic protrusions,
Laundry processing device formed by cutting a portion other than the connecting portion in the reinforcing plate portion so that the protruding end pressed by the case can be bent within a predetermined range based on the connecting portion. The method of claim 3, wherein
The spray nozzle
A pipe portion into which washing water is introduced;
An injection unit forming an injection hole for injecting the washing water flowing along the pipe into the inner tank; And
A reinforcing plate portion extending radially between the pipe portion and the spraying portion,
The rear projection is laundry processing device protruding from the reinforcing plate portion. The method of claim 3, wherein
Washing water sprayed through the injection nozzle in the position where the movement of the rear projections is stopped by the rear projection coupling hole is the laundry treatment apparatus that contacts the inner side wall and the bottom surface. The method of claim 1,
The spray nozzle
A pipe portion into which washing water is introduced; And
And an injection unit for forming an injection hole for injecting the washing water flowing along the pipe into the inner tank.
The injection unit
An upper plate portion formed to be wider from the tube portion toward the injection hole, the upper plate portion refracting the washing water introduced through the tube portion to collide with the washing water; And
A seat plate portion and a right plate portion extending from both sides of the upper plate portion to define left and right spray widths of the washing water sprayed through the spray hole,
The highest point where the wash water sprayed through the injection hole defined by any one of the seat plate and the right plate part meets the inner tank is located on the side wall of the inner tank, the washing water sprayed through the injection hole defined by the other The lowest point that meets the inner tank is a laundry treatment device located on the bottom surface of the inner tank. The method of claim 1,
The spray nozzle
A pipe portion into which washing water is introduced; And
And an injection unit for forming an injection hole for injecting the washing water flowing along the pipe into the inner tank.
The laundry treatment machine,
And a nozzle cap covering the spraying portion and having an opening corresponding to the spraying hole. 15. The method of claim 14,
Laundry treatment device comprising a cross-shaped indentation protrusion protruding from the injection portion toward the nozzle cap. The method of claim 1,
The spray nozzle
A pipe portion into which washing water is introduced; And
And an injection unit for forming an injection hole for injecting the washing water flowing along the pipe into the inner tank.
The radial protrusion laundry processing apparatus is formed to project radially with respect to the tube portion. A case formed with a gun entrance hole;
An inner tub rotatably disposed in the case;
A tube insertion hole formed in the case;
A spray nozzle which is supported while being inserted into the pipe insertion hole and sprays the washing water into the inner tank;
A radial protrusion hole formed by expanding a portion of the pipe insertion hole; And
It is formed in the injection nozzle, the insertion is made through the radial projection hole in the initial position of the assembly, and in the assembling completed position in which the injection nozzle is rotated a predetermined angle from the initial assembly position to the peripheral portion of the radial projection hole of the case Hanging, laundry treatment apparatus comprising a radial projection to prevent the injection nozzle from being separated from the tube insertion hole. The method of claim 17,
A rear protrusion protruding from the injection nozzle toward the case; And
Is formed in the case is inserted into the rear projections, and includes a rear projection coupling hole for guiding the rotational movement of the rear projections in accordance with the rotation of the injection nozzle from the assembly initial position to the assembly completion position,
The assembly completion position is the laundry treatment machine defined by the rear protrusion coupling hole. The method of claim 18,
An elastic protrusion coupling hole formed in the case; And
Further comprising an elastic protrusion extending from the injection nozzle,
The elastic protrusions,
The laundry processing device, the end of which is located in the elastic protrusion coupling hole at the assembly completion position. The method of claim 19,
The elastic protrusions,
An end opposite to the connection part with the injection nozzle is projected toward the case, and elastically bent with respect to the connection part by pressure applied to the protruding end by contact with the case,
The end of the elastic protrusions,
The laundry processing device is pressed by the contact with the case in the initial position of the assembly, the contact with the case is released from the assembly completed position is restored to the original position is located in the elastic projection engaging hole. 21. The method of claim 20,
The spray nozzle
A pipe portion into which washing water is introduced;
An injection unit forming an injection hole for injecting the washing water flowing along the pipe into the inner tank; And
A reinforcing plate portion extending radially between the pipe portion and the spraying portion,
The elastic protrusions,
Laundry treatment device formed on the reinforcing plate. 22. The method of claim 21,
The elastic protrusions,
Laundry processing device formed by cutting a portion other than the connecting portion in the reinforcing plate portion so that the protruding end pressed by the case can be bent within a predetermined range based on the connecting portion.

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