KR20070066598A - Pump cap of wash machine - Google Patents

Abstract

A pump cap of a washing machine is provided to increase an area for a knob by selectively disposing a knob extension unit at a front side of the knob. A pump cap of a washing machine includes a plug section(120), a knob section(122), and a knob extension unit(124). The plug section is detachably mounted to an opening part of a pump housing. The knob section protrudes from the front surface of the plug section. The knob extension section is rotatably installed in the knob section and is disposed on the front side of the knob section so as to extend the length of the knob section when the plug section is attached and detached. The knob extension unit includes an extension section(126) and a connection section(128). The extension section is disposed on the front side of the knob section to perform a function of a knob when the plug is attached and detached. The connection section is rotatably connected to the knob section.

Description

Pump cap of wash machine

1 is a perspective view of a washing machine according to the prior art,

2 is a cross-sectional view showing a washing machine according to an embodiment of the present invention;

3 is a perspective view of a washing machine according to an embodiment of the present invention;

Figure 4 is a cross-sectional view showing the internal configuration of the drain pump according to an embodiment of the present invention,

5 is a perspective view showing a pump cap and a pump filter of a drain pump according to an embodiment of the present invention;

Figure 6 is a perspective view showing the main part when the removal of the pump cap according to an embodiment of the present invention,

7 is a perspective view showing the main part when the mounting of the pump cap according to an embodiment of the present invention,

8 is a perspective view showing the main part when the mounting of the pump cap according to another embodiment of the present invention,

9 is a cross-sectional view taken along line A-A of FIG. 8;

<Explanation of symbols on main parts of the drawings>

50: washing machine 78: drainage

78A: drain hose 78B: drain pump

78C: Drain Bellows 84: Pump Cover

90: cover body 92: front panel

100: pump housing 102: drainage motor

104: impeller 106: pump filter

108,109: pump cap 120: stopper

122: handle portion 124: handle portion extension means

126: extension portion 128: connection portion

The present invention relates to a pump cap of a washing machine, and more particularly, to a pump cap of a washing machine in which the pump cap can be easily detached from an opening of a pump housing.

In general, a washing machine is a device that washes laundry through a process such as washing, rinsing, and dehydrating to remove contamination from clothes, bedding, etc. (hereinafter referred to as 'laundry') using water, detergent, and mechanical action. to be.

The washing machine includes a cabinet, a tub disposed inside the cabinet and receiving water or detergent, a drum rotatably installed in the tub to accommodate laundry and a plurality of through holes through which water or detergent is passed, and the It is configured to include a motor installed in the tub so that the drum is rotated.

In addition, a water supply device for supplying water to the inside of the tub is installed inside the cabinet, and a drainage device for draining the washing water in the tub to the outside is installed.

A detergent supply device for supplying detergent to the inside of the tub is installed on the water supply passage of the water supply device so as to communicate with the water, and the washing water in the tub is pumped out on the drain passage of the drainage device. The drain pump is installed in communication.

Therefore, in the washing machine configured as described above, after the water and the detergent are supplied to the inside of the tub by the water supply device and the detergent supply device, the washing of the laundry proceeds while the drum is reversed left and right at a low speed by the motor, and the washing in the tub is performed. In addition to being drained to the outside by the washing machine drainage device used in the clean water is re-supplied to the inside of the tub by the water supply apparatus and the drum is reversed left and right at low speed by the motor rinsing the laundry proceeds, After the rinsed water in the tub is drained, the drum is rotated at a high speed by the motor, thereby dehydrating the laundry.

On the other hand, the drainage pump is installed in communication with the drainage flow path of the drainage bar, so that seams, lint, foreign matters, etc. contained in the wash water is prevented from tangled or deposited in the impeller of the drainage pump of the drainage pump Inside, a pump filter for filtering seams, lint, and foreign substances is arranged.

Such a drain pump periodically removes seams, lint, foreign matters, etc. filtered in the pump filter to prevent performance degradation due to clogging of the pump filter.

Therefore, an opening is formed in the front surface of the drain pump so as to draw out or insert the pump filter, and the pump cap is detachably attached to the opening.

1 is a perspective view showing a washing machine according to the prior art.

The washing machine according to the prior art, as shown in FIG. 1, is provided with a pump cover 2 at the lower front of the washing machine 1, and the pump cover 2 has a pump cap 4 of a drain pump (not shown). This is detachably arranged.

Here, the pump cover 2 is composed of a cover body 10 fixed to the lower front of the washing machine 1, and the front panel 12 detachably mounted to the opened front of the cover body 10. do.

The cover body 10 is disposed so that the opening 6 of the drain pump penetrates, and the pump cap 4 is detachably fastened to the opening 6 of the drain pump.

The pump cap 4 includes a stopper 20 detachably mounted to the opening 6, and a handle 22 protruding from the front of the stopper 20.

The stopper 20 is mounted to the opening 6 to be sealed with a large fastening force so that the wash water does not leak through the opening 6.

The handle portion 22 is gripped by a consumer or a maintenance worker when the pump cap 4 is attached or detached to remove the plug portion 20 from the opening 6.

Therefore, when the front panel 12 is removed from the front surface of the cover body 10 and the handle part 22 is removed to rotate the pump cap 4, the opening 6 of the drain pump is opened to drain water. When the pump filter (not shown) disposed inside the pump is able to be pulled forward and removes seams, lint, foreign matters, etc. from the pump pump, the pump filter is inserted through the opening 6 and then The pump cap 4 is again fastened and mounted.

However, the pump cap of the washing machine according to the prior art is fastening and mounting the stopper 20 of the pump cap 4 with a large fastening force to the opening 6 of the drain pump, the protruding length of the handle portion 22 Since it is very short, there is a problem that workability is lowered when the pump cap 4 is attached and detached.

That is, the pump cap 4 is mounted to the opening 6 of the drain pump disposed to penetrate the cover body 10, and the handle part 22 is mounted to the front of the cover body 10. It protrudes to a length that does not interfere with the front panel 12.

When the handle portion 22 is formed to have a short length that is difficult to be gripped by a consumer or a maintenance worker as described above, it is difficult to attach and detach the work because the pump cap 4 is attached and detached, and in particular, the pump cap 4 It is disposed on the lower front of the washing machine (1), so that the attitude of the consumer or the maintenance worker is very uncomfortable when the pump cap 4 is attached and detached, there is a problem that it is very difficult to apply a large force to the pump cap (4).

Therefore, there is a problem that the detachable operation of the pump cap 4 is impossible in the case of the elderly or women who are difficult to apply a large force to the pump cap (4).

The present invention has been made to solve the above problems, and an object of the present invention is to provide a pump cap of a washing machine that can be easily detached with a small force.

In addition, another object of the present invention is to provide a pump cap of a washing machine that can be easily applied to various types of washing machines by only changing the structure of the pump cap without changing the structure of the drain pump and the pump cover.

The pump cap of the washing machine according to the present invention for realizing the above object is a stopper that is detachably mounted to the opening of the pump housing, a handle portion formed to protrude on the front of the stopper portion, rotatably installed in the handle portion And it is characterized in that it comprises a handle portion extending means disposed in front of the handle portion so that the length of the handle portion is extended when the plug portion is attached and detached.

The handle extension means is composed of an extension part disposed in front of the handle portion to perform the role of the handle when the plug portion is attached and detached, and a connecting portion formed on both ends of one end of the extension portion and rotatably connected to the handle portion.

Here, the engaging portion is formed in the front portion of the handle portion is fitted with one end of the extension portion when the plug portion is attached and detached.

The connection portion is rotatably connected to both sides of the handle portion and is also linearly connected.

The stopper part includes a main body part formed to protrude from the front of the handle part, and a fastening part formed on an outer circumference of the main body part and screwed into an opening of the pump housing, and the extension part of the main body part when the stopper part is completely installed. It sits on the front.

The fastening part is formed to protrude further forward from the front of the main body portion, and the other end of the extension portion is formed to remove the groove to facilitate the extraction between the front surface of the main body and the inner side of the fastening portion.

On the inner side of the fastening portion, a locking protrusion is formed to protrude from the other end of the extension portion seated on the front surface of the main body.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

2 is a cross-sectional view showing a washing machine according to an embodiment of the present invention, Figure 3 is a perspective view showing a washing machine according to an embodiment of the present invention, Figure 4 is a drain pump according to an embodiment of the present invention 5 is a perspective view illustrating when the pump cap is in or out of the pump cap according to an embodiment of the present invention, and FIG. 6 is a perspective view illustrating when the pump cap is in or out of the pump cap according to an embodiment of the present invention. to be.

2 to 6, the washing machine according to an embodiment of the present invention includes a cabinet 52 forming an exterior of the washing machine 50, and a spring 54 and a damper inside the cabinet 52. A tub (56) horizontally disposed to be buffered by a 55), and a drum (58) formed with a plurality of through holes (58A) rotatably disposed inside the tub (56) through which laundry is received and washing water passes therethrough; The lifter 60 is installed on the inner surface of the drum 58 so that the laundry in the drum 58 is pumped up to a predetermined height and then falls by gravity, and the tub so that the rotational force is transmitted to the drum 58. And a motor 62 mounted to the rear portion of 56.

Here, the cabinet cover 64 having the laundry entrance 64A is mounted on the front surface of the cabinet 52, and the top plate 66 and the base 68 are mounted on the upper and lower surfaces, respectively.

The cabinet cover 64 is rotatably provided with a door 70 that opens and closes the laundry entrance 64A, and displays an operating state of the washing machine 50 on the upper side of the cabinet cover 64. A control panel 72 for manipulating the operation of 50 is provided.

A water supply device 74 including a water supply hose 74A, a water supply valve 74B, and a water supply bellows 74C to supply water to the inside of the tub 56 between the top plate 66 and the tub 56. Is installed.

On the water supply flow path of the water supply device 72, a detergent supply mechanism 76 for supplying a detergent together with water supplied into the tub 56 is installed in communication.

Between the base 68 and the tub 56, a drainage device 78 consisting of a drain hose 78A, a drain pump 78B, and a drainage bellows 78C to discharge the wash water used for washing and rinsing to the outside. Is installed.

In addition, the upper frame 80 and the lower frame 82 are respectively installed on the upper and lower fronts of the cabinet 52 to increase the rigidity of the cabinet 52, and the front and rear surfaces of the upper frame 80. The control panel 72 and the top plate 66 are mounted and fixed to each other, and one side of the lower frame 82 is fixed to penetrate the front part of the drain pump 78B.

In addition, a pump cover 84 disposed at the front of the lower frame 82 and at the front of the drain pump 78B is installed at a lower portion of the front surface of the cabinet cover 64.

The pump cover 84 as described above is fixed to the front lower portion of the cabinet cover 64, the front of the cover body 90 of the open shape, and the front surface detachably mounted to the front of the cover body 90 It consists of a panel 92.

A front portion of the drain pump 78B is disposed in the cover body 90 so that a residual water discharge hose 94 for removing residual water in the drain pump 78B is disposed therethrough.

A plurality of hooks 96 are formed on the rear surface of the front panel 92 to protrude rearward to be fitted into the hook holes 90A of the cover body 90.

On the other hand, the drain pump (78B) is the pump housing 100 and the pump housing 100, the front portion is disposed in the lower frame 82 and the cover body 90 and the opening 112 is formed in the front portion, and the pump housing 100 A drain motor 102 installed at a rear portion of the pump, an impeller 104 disposed inside the pump housing 100 and installed on the rotation shaft of the drain motor 102 and pumped by the impeller 104. The pump filter 106 disposed in front of the impeller 104 and the front of the pump filter 106 to filter the seams, lint, foreign matters, etc. contained in the wash water and in the opening 112 And a pump cap 108 that is hermetically mounted.

A filter accommodating space 100A is formed inside the front part of the pump housing 100 to accommodate the pump filter 106, and an impeller accommodating space 100B is formed inside the rear part to accommodate the impeller 104. do.

A flow passage 114 through which the wash water passes is formed between the filter accommodation space 100A and the impeller accommodation space 100B.

An inlet 116 is formed on the front surface of the pump housing 100 so as to communicate with the filter accommodation space 100A, so that the drainage bellows 78C are connected, and the rear side of the pump housing 100 An outlet 118 is formed in communication with the impeller accommodation space 100B to connect the drain hose 78A.

The opening 112 is formed to communicate with the filter accommodation space 100A on the front of the front of the pump housing 100, a female screw is formed on the inner circumferential surface of the opening 112, the male screw of the pump cap 108 Is fastened with

The pump filter 106 is a mesh-shaped member that is retractably received in the filter accommodation space 100A through the opening 112 of the pump housing 100, and includes seams and lint included in the wash water. , And disposed between the inlet 116 and the flow passage 114 to filter out foreign matters.

Therefore, the seams, lint, foreign matters, etc. included in the wash water are removed by the pump filter 106, so that the seams, lint, foreign matters, etc. are entangled or deposited in the impeller 104 and the pump housing 100. Phenomenon is prevented.

In particular, the pump cap 108 according to an embodiment of the present invention is a stopper portion 120 that is detachably fastened to the opening 112 of the pump housing 100 and when the stopper portion 120 is attached and detached Handle portion 122 is formed to protrude on the front of the stopper portion 120 to be used, and the handle portion 122 is rotatably installed and the length of the handle portion 122 when the stopper portion 120 is attached and detached It characterized in that it comprises a handle extending means 124 disposed in front of the handle portion 122 to extend.

Here, the stopper 120 is the body portion 120A formed so that the handle portion 122 protrudes on the front surface, and the opening 112 of the pump housing 100 is formed on the outer periphery of the body portion 120A It consists of a fastening portion 120B to be screwed on.

The main body 120A is a disk-shaped member that is shieldably inserted into the opening 112, and the pump filter 106 may be drawn out or received by the pump cap 108. Is connected to the rear part.

The fastening part 120B is a tubular member formed along the outer circumference of the main body part 120A. The fastening part 120B is formed to protrude further forward than the front surface of the main body part 120A, and the inner circumferential surface of the opening 112. Male threads are formed on the outer circumferential surface so as to be engaged with the female screws formed therein.

Accordingly, the pump filter 106 can be easily taken out or received together with the stopper 120 of the pump cap 108, and the pump housing 100 by the stopper 120 of the pump cap 108. The opening 112 of) is sealed to prevent leakage of the wash water.

In addition, the handle portion 122 is a straight protrusion formed to protrude forward from the front of the main body portion 120A, and when the pump cap 108 is attached and detached by a consumer or a maintenance worker is fastened to the fastening portion 120B May be fastened to or separated from the opening 112.

The protruding length of the handle portion 122 is such that when the front panel 92 is mounted on the front surface of the cover body 90, the rear surface of the front panel 92 and the handle portion 122 do not interfere with each other. It is formed in length.

In addition, the handle extension means 124 is extended in the front and rear direction in front of the handle portion 122 to perform the role of the handle along with the handle portion 122 when the pump cap 108 is attached and detached. It is composed of a portion 126 and the connecting portion 128 formed on both sides of one end of the extension portion 126 and rotatably connected to both sides of the handle portion 122.

The extension part 126 is a half-moon-shaped plate-like member, the connecting portion 128 is formed on both sides of one end formed in a straight line, and the removal groove 126A is formed at the other end formed in a semicircular shape.

One end of the extension part 126 is fitted into a coupling groove 122A formed at the front surface of the front part of the handle part 122 when the pump cap 108 is attached or detached.

Therefore, when one end of the extension part 126 is fitted into the coupling groove 122A of the handle part 122, the handle part 122 and the extension part 126 are attached to each other when the pump cap 108 is attached or detached. The area that can be held by a consumer or a maintenance worker is increased, and the extension part 126 and the handle part 122 are disposed in a rigid and stable structure, and stress is applied to the connection part of the extension part 126 and the handle part 122. This dispersion is also prevented from being concentrated in the connection portion (128).

The extension part 126 of the main body part 120A may prevent the interference with the front panel 92 when the pump cap 108 is completely installed in the opening 112 of the pump housing 100. It is seated and received between the front surface and the inner surface of the fastening portion 120B.

In particular, when the extension part 126 is fitted into the coupling groove 122A of the handle part 122, the total length of the extension part 126 and the handle part 122 is maximized, so that the pump cap 108 is In order to be easily removable, the length between one end and the other end of the extension 126 is preferably formed to be as long as possible.

Therefore, the other end of the extension part 126 is the removal groove portion 126A so that it can be easily taken out in the state stored between the front surface of the main body portion 120A and the inner surface of the fastening portion 120B. It is formed at the edge of a size that can hold a finger.

The connecting portion 128 is integrally formed at both ends of one end of the extension part 126, respectively, and is rotatably connected to both sides of the handle part 122, and is linearly movable in the front-rear direction.

That is, the rotation protrusion 128A protrudes toward both sides of the handle portion 122 at the connection portion 128, and the rotation protrusion 128A is rotatably inserted at both side portions of the handle portion 122. The rotation groove 122B is formed to move in the front-rear direction.

Accordingly, as the rotation protrusion 128A of the connection portion 128 is rotated inside the pivot groove 122B, the extension portion 126 is disposed perpendicular to the front of the handle portion 122 or the main body portion ( The extension part 126 may be seated between the fastening part 120B and 120B, and the extension protrusion 126 may be handled as the rotation protrusion 128A of the connection part 128 moves forward and backward along the pivoting groove part 122B. It is fitted into or removed from the engaging groove 122A of the 122.

Looking at the operation and effect of the drain pump and the pump cap of the washing machine according to an embodiment of the present invention configured as described above are as follows.

First, when the drainage motor 102 is driven when the washing machine 50 is drained, the washing water in the tub 56 passes through the drainage bellows 78C and the inlet 116 to filter the space 100A of the pump housing 100. The washing water is introduced into the impeller receiving space 100B of the pump housing 100 through the flow passage 114 after passing through the pump filter 106 accommodated in the filter receiving space 100A.

In addition, the washing water introduced into the impeller accommodation space 100B is pumped by the impeller 104 driven by the drain motor 102, and the washing water 50 is discharged through the outlet 118 and the drain hose 78A. Drain to the outside

At this time, the pump filter 106, the seams, lint, foreign matters, etc. contained in the wash water is filtered out, the phenomenon that the seams, lint, foreign matters, etc. are entangled or deposited in the impeller 104 or the pump housing 100 This is prevented beforehand.

When the seams, lint, foreign matter, and the like are filtered on the pump filter 106 for a long time, the pump filter 106 is blocked and acts as a flow resistance of the drain pump 78B, thereby degrading the performance of the drain pump 78B. As a result, the drain pump 78B periodically performs a cleaning operation to remove seams, lint, foreign matters, and the like, which are filtered by the pump filter 106.

Here, the process in which the pump filter 106 is drawn out from the inside of the pump housing 100 during the cleaning operation of the pump filter 106 will be described in detail. After the panel 92 is removed, the residual water in the pump housing 100 is discharged by the residual water discharge hose 94, and when the residual water in the pump housing 100 is completely removed by the residual water discharge hose 94, the pump cap ( 108 is released from the opening 112 of the pump housing 100.

When the pump cap 108 is released from the opening 112 of the pump housing 100 as described above, the pump cap 108 is removed forward, and the pump filter 106 together with the pump cap 108. Pulled forward through the opening 112, the seams, lint, foreign matters, etc. filtered in the pump filter 106 are removed.

On the other hand, the process in which the pump filter 106 is accommodated into the pump housing 100 proceeds in the reverse order of the drawing process, and thus, detailed description thereof will be omitted.

On the other hand, when the removal process of the pump cap 108 will be described in more detail, after inserting the finger into the removal groove 126A formed in the extension portion 126 of the pump cap 108 of the pump cap 108 The extension part 126 seated in the stopper part 120 is pulled out forward.

As described above, the extension part 126 drawn out from the stopper part 120 is vertically disposed in the front-rear direction in front of the handle part 122.

At this time, the connection portion 128 formed at both ends of the extension part 126 has a rotation protrusion 128A inserted into the rotation groove 122B of the handle 122 and along the rotation groove 122B. The rotary protrusion 128A is moved forward.

In addition, one end of the extension part 126 is fitted into the coupling groove 122A of the handle part 122 while the rotation protrusion 128A of the connection part 128 is moved backward along the rotation groove part 122B. .

Accordingly, when the pump cap 108 is removed, the handle part 122 and the extension part 126 are connected to each other so that the length of the handle part 122 is extended by the extension part 126. The pump cap 108 is easily removed from the opening 112 of the pump housing 100 while rotating in the direction of loosening with less force.

On the contrary, when the mounting process of the pump cap 108 is described in more detail, the pump housing 100 is rotated in the direction in which the pump cap 108 is coupled by the handle part 122 and the extension part 126. It is fastened to the opening 112 of.

When the pump cap 108 is fastened to the opening 112 with sufficient fastening force, the extension part 126 is separated from the coupling groove 122A of the handle part 122 to the front and then to the stopper part 120. It is seated and received.

At this time, the connecting portion 128 is rotated along the rotating groove portion (122B) of the handle portion 122, the rotating projection (128A) is moved forward and then the rotating projection (128A) inserted into the rotating groove portion (122B) is rotated. .

Therefore, when the front panel 92 of the pump cover 84 is mounted to the cover body 90, the pump cap 108 may not interfere with the rear surface of the front panel 92. It is prevented beforehand.

8 is a perspective view showing the main part when the mounting of the pump cap according to another embodiment of the present invention, Figure 9 is a cross-sectional view taken along the line A-A of FIG.

For reference, the same reference numerals are given to the same or similar components as those of the exemplary embodiment, and detailed description thereof will be omitted.

As shown in FIGS. 8 and 9, the pump cap of the washing machine according to another embodiment of the present invention has the stopper 120 so that the extension part 126 received and seated on the front of the stopper 120 is caught and fixed. The engaging projection 121 is formed on the inner surface of the fastening portion 120B, and the other configurations are configured in the same manner as in the above embodiment.

That is, the extension part 126 is seated and received between the main body part 120A and the fastening part 120B of the stopper part 120 when the detachment operation of the pump cap 109 is completed, and the fastening part ( The locking protrusion 121 protrudes from the inner surface of the extension portion 120B so that the edge of the extension portion 126 is caught so that the extension portion 126 is not detached.

The locking protrusion 121 is formed to be spaced apart in the circumferential direction on the inner surface of the fastening portion (120B).

The protruding height of the locking protrusion 121 is formed at such a height that the edge of the extension part 126 is engaged and the extension part 126 is elastically deformed by a user or a maintenance worker and can be crossed over.

In addition, the locking protrusion 121 is formed in a cross-sectional shape of any one of a triangle, a wedge shape, and a semi-circle in the front and rear direction. Hereinafter, the locking protrusion 121 is limited to one formed in a semicircular cross-sectional shape. Let's explain.

When the locking protrusion 121 is formed to protrude in a semi-circular cross-sectional shape, the extension portion 126 easily rides over the locking protrusion 121 in the front-rear direction.

In another embodiment of the present invention configured as described above, when the pump cap 109 is completely mounted in the opening 112 of the pump housing 100, the extension part 126 is seated and received in the stopper part 120. The edge of the extension part 126 is caught by the locking protrusion 121 to prevent the extension part 126 from being arbitrarily rotated by the vibration and external impact of the washing machine 50.

Thus, the extension part 126 may be broken while being arbitrarily rotated or interfere with the front panel 92.

As described above, the pump cap of the washing machine according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the above embodiments and drawings, and various modifications are made by those skilled in the art within the scope of the technical idea of the present invention. Of course it is possible.

In the pump cap of the washing machine according to the present invention configured as described above, the handle portion extending means is selectively disposed at the front portion of the handle portion to increase the area used as a handle when the pump cap is attached and detached, so that the pump cap has a small force. There is an advantage that the opening and closing easily.

In addition, since the extension portion of the handle extension means is fitted into the coupling groove formed in the front portion of the handle portion, stress is concentrated on the connection portion of the handle portion extension means to prevent the phenomenon that the connection portion is broken, the handle portion extension The means and the handle portion is connected in a rigid structure has the advantage that the action force is effectively transmitted when the pump cap detachable.

In addition, since the extension part is seated in the stopper of the pump cap, there is an advantage that the phenomenon that the extension part interferes with the front panel of the pump cover when the mounting of the pump cap is completed.

In addition, there is an advantage in that the removal portion is formed in the extension groove portion is easily drawn out extension portion received seated on the stopper.

In addition, since the locking projection is formed on the inner side of the fastening portion of the stopper, and the edge of the extension is caught, there is an advantage of preventing the phenomenon that the extension part is seated and housed in the stopper when the mounting of the pump cap is rotated at random.

Claims (7)

A plug portion detachably mounted to the opening of the pump housing; A handle part formed to protrude from the front surface of the stopper part; The pump cap of the washing machine, characterized in that it comprises a handle portion extending means which is rotatably installed in the handle portion and disposed in front of the handle portion so that the length of the handle portion is extended when the stopper portion is attached and detached. The method according to claim 1, The handle extension means comprises an extension portion disposed in front of the handle portion to perform the role of the handle when the plug portion is attached and detached, and a connecting portion formed on both sides of one end of the extension portion so as to be pivotally connected to the handle portion. Pump cap of washing machine to make. The method according to claim 2, The pump cap of the washing machine, characterized in that the front portion of the handle portion is formed with a coupling groove that one end of the extension portion is fitted when the stopper is attached and detached. The method according to claim 3, The connection part is rotatably connected to both sides of the handle portion and the pump cap of the washing machine, characterized in that the linear movement is connected. The method according to any one of claims 2 to 4, The stopper part is composed of a main body portion formed so that the handle portion protrudes on the front surface, and a fastening portion which is formed on the outer circumference of the body portion and screwed into the opening of the pump housing, The extension part is a pump cap of the washing machine, characterized in that seated on the front of the main body portion when the mounting of the stopper. The method according to claim 5, The fastening portion is formed to protrude further forward from the front of the body portion, The other end of the extension portion of the pump cap of the washing machine, characterized in that the removal groove is formed to facilitate the removal between the front surface of the main body and the inner surface of the fastening portion. The method according to claim 6, The pump cap of the washing machine, characterized in that formed on the inner side of the fastening portion protruding the engaging projection is fixed to the other end of the extension seated on the front of the main body.

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