KR102215913B1 - Structure of turning shaft jointer in a washing machine - Google Patents

Abstract

In the present invention, a heavy-duty housing having a coupling hole, an upper housing having an insertion coupling hole and a storage tank installed, and a lower housing installed at the lower portion of the heavy-duty housing are assembled, and vertically installed in the coupling hole, the insertion coupling hole, and the coupling hole, and the upper side A drive shaft connected to the washing tub on the exposed portion, and the central portion of the drive shaft is installed in the coupling hole and the insertion coupling hole, and a plurality of O-rings are installed around the outer circumference of the drive shaft inserted into the coupling hole, and the O-rings are brought into contact with the above. Consisting of a guide pipe inserted into the drive shaft and a rotation guide pipe inserted into the coupling hole so as to contact the outer circumference of the guide pipe, the rotation of the drive shaft is controlled by the coupling hole and the bearing of the coupling hole and the rotation guide pipe and the guide pipe of the insertion coupling hole. It relates to a drive coupling structure of a washing machine that is provided to rotate smoothly and stably in the coupling hole and the insertion coupling hole to be used for a long time.

Description

Drive shaft coupling structure of washing machine {STRUCTURE OF TURNING SHAFT JOINTER IN A WASHING MACHINE}

The present invention relates to a drive shaft coupling structure of a washing machine, and more specifically, the present invention is an upper housing having a coupling hole and a storage tank having an insertion coupling hole, and a lower housing installed at the bottom of the heavy load housing. The drive shaft is installed vertically to the coupling hole, the insertion coupling hole, and the coupling hole and connected to the washing tub on the upper exposed portion, and the central portion of the drive shaft is installed in the coupling hole and the insertion coupling hole, and the drive shaft inserted into the coupling hole. A plurality of O-rings are installed on the outer circumference, and a guide tube inserted into the drive shaft in contact with the O-rings, and a rotation guide tube inserted into the coupling hole so as to contact the outer circumference of the guide tube, and the rotation of the drive shaft are combined. It relates to a drive coupling structure of a washing machine that is provided with a bearing of a ball and a coupling hole and a rotation guide pipe and a guide pipe of the insert coupling hole to smoothly and stably rotate inside the coupling hole and the insert coupling hole for long-term use.

In general, a washing machine is composed of a storage tank for storing washing water, a washing tank rotatably installed in the storage tank, a motor for rotating the washing tank, and a drive shaft for transmitting the rotational force of the motor to the washing tank. Accordingly, washing and dehydration operations are performed.

1 is a cross-sectional view of a driving part of a conventional washing machine as described above, and a configuration of a general washing machine will be described with reference to this. The storage tank (1) and the washing tank (2), and a hub (3) fastened to the bottom of the washing tank (2) to distribute and transmit the rotational force of the drive shaft (S) to the washing tank (3), and a pair of bearings (6) for supporting the drive shaft (6) ,7) and bearing housing (8), and a motor (M) composed of a rotor (9) and a stator (10) for rotating the drive shaft (S).

However, the rotation of the washing machine drive shaft as in the present invention, which is different from the coupling structure of the drive shaft of the washing machine as described above, is provided with a bearing of the lower housing coupling hole and a rotation guide pipe and a guide pipe of the upper housing inserting hole. The O-rings installed on the upper part of the drive shaft and the O-rings are inserted into the drive shaft to be rotated smoothly and stably, and accommodated in a washing tub and a storage tank installed on the upper part of the drive shaft provided as a guide tube and a rotation guide tube. It prevents water from seeping from the top of the drive shaft to the bottom, and prevents abrasion of the inside of the guide tube with the O-rings of the drive shaft and the outside of the guide tube with the rotation guide tube, and injects compressed air into the upper and lower housings. There have been many problems in that a drive coupling structure of a washing machine in which air through holes are formed on the inner side to cool the heat generated by high-speed rotation of the drive shaft in the rotating guide pipe and the guide pipe in contact with the air through holes cannot be provided.

In order to solve the above problems, the present invention is to assemble a heavy-duty housing having a coupling hole and an upper housing in which a storage tank is installed with an insertion coupling hole and a lower housing installed under the heavy-duty housing, and this coupling hole and insertion coupling hole , A drive shaft vertically installed in the coupling hole and connected to the washing tub on the upper exposed part, and the central part of this drive shaft is installed in the coupling hole and the insertion coupling hole, and a plurality of O-rings are installed around the outer circumference of the drive shaft inserted into the coupling hole. It is composed of a guide tube inserted into the drive shaft in contact with these O-rings, and a rotation guide tube inserted into the coupling hole so as to contact the outer circumference of the guide tube,

The drive shaft of a new washing machine that allows the rotation of the drive shaft to rotate smoothly and stably in the coupling hole and the bearing of the coupling hole and the rotation guide pipe of the insert coupling hole and the insert coupling hole to be used for a long time. Its purpose is to provide structure.

In addition, in the present invention, the O-rings installed on the upper part of the drive shaft and the washing water accommodated in the washing tank and the storage tank installed on the upper part of the drive shaft provided as a guide tube and a rotation guide tube are inserted into the drive shaft to be coupled to the drive shaft. It is an object of the present invention to provide a drive shaft coupling structure of a new washing machine in which the drive shaft is prevented from being damaged by rusting the drive shaft due to water by preventing penetration to the bottom.

In addition, the present invention prevents abrasion of the inside of the guide tube with the O-rings of the drive shaft and the outside of the guide tube with the rotation guide tube, and forms air through holes on its side, upper, and inner sides so that compressed air is injected into the upper and lower housings. As a result, compressed air is transmitted between the upper and lower portions of the rotating guide pipes and to the outer surface of the guide pipe, and when the compressed air cools the guide pipe, it is generated by high-speed rotation of the drive shaft in the cooled guide pipe. An object thereof is to provide a drive coupling structure for a new washing machine that cools heat to overcome the hassle of replacing the drive shaft due to damage and damage to the drive shaft due to heat.

In order to achieve this object, the present invention
In the drive shaft coupling structure of the washing machine,
The lower portion of the drive shaft 30 provided in the washing machine is installed in connection with the drive pulley 40 that is driven in connection with the drive motor m, and the central portion of the drive shaft 30 is a coupling hole 51 of the heavy load housing 50a. ) Is vertically installed in connection with the bearings 52 installed on both sides of the inner circumference of the upper and lower sides, and the upper part of the drive shaft 30 is the insertion hole 53 of the upper housing 50b coupled to the upper part of the heavy load housing 50a ) Is inserted into the exposed portion (30a) so that the upper portion of the drive shaft 30 is exposed to the upper portion of the insertion coupling hole 53,
A plurality of rotation guide pipes 60 are inserted and installed in the insertion coupling hole 53, and the inner surfaces of both the rotation guide pipes 60 are outside of the guide pipe 70 inserted in the upper portion of the drive shaft 30. It is installed in contact with the circumferential surface, and a plurality of coupling grooves 31 are formed on the outer circumference of the drive shaft 30 located on the inner circumference of the guide pipe 70, and the O-ring 32 is formed in the coupling grooves 31. Are each inserted,
The lower portion of the drive shaft 30 is inserted into the coupling hole 54 of the lower housing 50c where the lower portion of the drive shaft 30 is coupled to the lower portion of the heavy housing 50a, and the lower portion of the drive shaft 30 It is provided as an exposed portion (30b) exposed to the lower portion of the coupling through hole (54),
A plurality of rotation guide pipes 60 are installed in the coupling through hole 54, and inner surfaces of both the rotation guide pipes 60 are installed in contact with the outer circumferential surfaces of the drive shaft 30,
Consisting of a storage tank 10 coupled to the upper housing 50b, and a washing tank 20 coupled to the exposed portion 30a of the drive shaft 30
The known technologies such as drive shaft 30, drive pulley 40, heavy housing 50a, coupling hole 51, bearing 52, upper housing 50b, insert coupling hole 53, exposed portion 30a , Rotation guide pipe (60), guide pipe (70), coupling groove (31), O-ring (32), lower housing (50c), coupling through hole (54), exposed portion (30b), water storage tank (10), washing tank ( In the drive shaft coupling structure of the washing machine formed as 20),
A plurality of side air through holes 50a-1 formed on the outer circumference of the heavy load housing 50a, a plurality of upper air through holes 50a-2 formed in the upper surface of the heavy load housing 50a, and the side air through holes ( 50a-1) and the upper air through hole 50a-2 are connected to each other, and a plurality of lower air through holes 50b formed in the lower portion of the upper housing 50b so as to be connected to the upper air through holes 50a-2 -1), and a plurality of inner side air through holes (50b-2) formed to be connected to each of the lower air through holes (50b-1) in a lateral direction to the insertion coupling hole (53) of the upper housing (50b) And, the inner side air vent hole (50b-2) is a driving shaft coupling structure of the washing machine, characterized in that formed in connection with between the rotation guide pipe (60).
The drive shaft coupling structure of the washing machine, characterized in that connected to the air input means (80) to supply compressed air to any one of the side air through holes (50a-1) selected from the side air through holes (50a-1).
One of the coupling grooves 31 formed on the outer circumference of the drive shaft 30 is the top of the guide tube 70
Drive shaft coupling structure of a washing machine, characterized in that formed at a portion meeting the end and coupled to the O-ring (32).
The drive shaft coupling structure of the washing machine, characterized in that the thickness of the guide pipe 70 is formed to be 0.8mm ~ 4mm.
The rotation guide pipe 60 is a driving shaft coupling structure of a washing machine, characterized in that it is formed of a heat-resistant synthetic resin material.
Side penetration in communication with the coupling through hole 54 in the circumference of the side of the heavy load housing 50a so that the oil supplied from the oil supply means 90 is injected into the coupling through hole 51 of the heavy load housing 50a It is characterized in that the ball (50d) is formed in a plurality.

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In the present invention, a heavy-duty housing having a coupling hole, an upper housing having an insertion coupling hole and a storage tank installed, and a lower housing installed at the lower portion of the heavy-duty housing are assembled, and vertically installed in the coupling hole, the insertion coupling hole, and the coupling hole, and the upper side A drive shaft connected to the washing tub on the exposed portion, and the central portion of the drive shaft is installed in the coupling hole and the insertion coupling hole, and a plurality of O-rings are installed around the outer circumference of the drive shaft inserted into the coupling hole, and the O-rings are brought into contact with the above. Consisting of a guide pipe inserted into the drive shaft and a rotation guide pipe inserted into the coupling hole so as to contact the outer circumference of the guide pipe, the rotation of the drive shaft is controlled by the coupling hole and the bearing of the coupling hole and the rotation guide pipe and the guide pipe of the insertion coupling hole. It has the effect of long-term use by allowing smooth and stable rotation inside the coupling hole and the insertion coupling hole.

In addition, in the present invention, the O-rings installed on the upper part of the drive shaft and the washing water accommodated in the washing tank and the storage tank installed on the upper part of the drive shaft provided as a guide tube and a rotation guide tube are inserted into the drive shaft to be coupled to the drive shaft. It has the effect of preventing the drive shaft from being damaged by rusting the drive shaft due to water by preventing penetration to the bottom.

In addition, the present invention prevents abrasion of the inside of the guide tube with the O-rings of the drive shaft and the outside of the guide tube with the rotation guide tube, and forms air through holes on its side, upper, and inner sides so that compressed air is injected into the upper and lower housings. As a result, compressed air is transmitted between the upper and lower portions of the rotating guide pipes and to the outer surface of the guide pipe, and when the compressed air cools the guide pipe, it is generated by high-speed rotation of the drive shaft in the cooled guide pipe. It has the effect of overcoming the hassle of replacing the drive shaft as the drive shaft is damaged or damaged by heat by cooling heat.

1 is a schematic view showing a drive shaft coupling structure of a conventional washing machine.
Figure 2 is a perspective view according to the present invention.
Figure 3 is a schematic cross-sectional view according to the present invention.
Figure 4 is a schematic view showing a drive shaft, O-ring, guide pipe, and rotation guide pipe according to the present invention.
Figure 5 is a schematic view showing an inclined portion of the guide pipe according to the present invention.
6 is a schematic cross-sectional view showing a storage tank installed in a lower housing and a washing tank installed on an upper portion of the drive shaft according to the present invention.

In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

* The embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more safely explain the present invention to those with average knowledge in the art.

Accordingly, the shape of the element in the drawings may be exaggerated to emphasize a clearer description. It should be noted that in each drawing, the same member may be indicated by the same reference numeral.

Figure 2 is a perspective view according to the present invention, Figure 3 is a schematic cross-sectional view according to the present invention, Figure 4 is a schematic diagram showing a drive shaft and O-ring, guide pipe, and rotation guide pipe according to the present invention, Figure 5 is according to the present invention It is a schematic diagram showing the inclined part of the guide pipe, and FIG. 6 is a schematic cross-sectional view showing a storage tank installed on a lower housing and a washing tank installed on an upper portion of the drive shaft according to the present invention.

The driving shaft coupling structure of the washing machine according to the present invention will be described in detail with reference to those shown in FIGS. 2 to 6 as follows.

The drive shaft coupling structure of the washing machine according to the present invention includes a storage tank 10, a washing tank 20, a drive shaft 30, a drive pulley 40, a heavy load housing 50a, an upper housing 50b, and a lower portion. It is composed of a housing (50c), a rotation guide tube (60), a guide tube (70), and air input means (90).

The water storage tank 10 is configured in a cylindrical shape to store washing water for washing clothes.

The water storage tank 10 is configured by substantially receiving washing water.

The storage tank 10 is configured by being combined with the upper housing 50b to be described later.

The washing tank 20 is configured to be rotatably installed inside the water storage tank 10.

The washing tub 20 is configured such that laundry is accommodated, and washing water and detergent contained in the storage tank 10 are introduced to substantially perform washing.

In addition, the washing tub 20 is configured by being coupled to an upper portion of the drive shaft 30 to be described later with a coupling member (not shown).

It is configured in connection with a drive motor m for driving the washing tub 20 and a drive shaft 30 to be described later to transmit the rotational force of the drive motor m to the washing tub 20.

A plurality of coupling grooves 31 are formed on the outer circumference of the drive shaft 30 and the O-rings 32 are respectively inserted into the coupling grooves 31.

The O-ring 32 is preferably coupled to the coupling groove 31 formed in four on the outer circumference of the drive shaft 30, but in order to further expand the watertightness of the drive shaft 30, the coupling groove 31 The number is not limited.

The O-rings 32 are installed on the outer periphery of the drive shaft 30 and in close contact with the inner surface of the guide tube 70 inserted into the drive shaft 30, and the storage tank installed on the upper part of the drive shaft 30 (10) And to ensure watertightness to the wash water accommodated in the washing tank (20).

One of the O-rings 32 installed on the outer circumference of the drive shaft 30 is exposed to the top of the insertion coupling hole 53 of the upper housing 50b to be described later, and the remaining three O-rings 32 are It is configured to be in contact with the outer surface of the guide tube 70 to be described later.

The O-ring 32 installed at the bottom of the O-rings 32 installed on the outer circumference of the drive shaft 30 is oil injected from the side through hole 50d of the heavy-duty housing 50a to be described later. 30), and the two O-rings 32 at the top of the O-rings 32 installed on the outer circumference of the drive shaft 30 are the washing tank 20 and the water storage tank 10 This is to prevent water from penetrating from the upper portion of the driving shaft 30 to the central portion.

The driving pulley 40 is formed of a horizontally installed circular body.

The driving pulley 40 is connected to the driving motor m and the connecting member c to rotate.

The lower portion of the driving shaft 30 is connected to the driving pulley 40 to be configured.

The heavy-duty housing 50a is configured by forming a coupling hole 51 in the heavy-duty housing 50a so that the central portion of the driving shaft 30 is inserted.

In connection with the bearings 52 installed in the upper and lower sides of the inner circumference of the coupling hole 51, the central portion of the drive shaft 30 is vertically installed.

It is preferable that two bearings 52 are installed on both sides of the upper and lower sides of the coupling hole 51.

In addition, the bearings 52 are installed on both sides of the drive shaft 30 inserted into the inner circumference of the coupling through hole 54 of the lower housing 50c to be described later.

On the other hand, the heavy housing (50a) communicates with the coupling hole (51) around the side circumference of the heavy load housing (50a) so that the oil supplied from the oil supply means (90) is injected into the interior of the coupling hole (51). It consists of a plurality of side through-holes (50d) are formed.

As described above, the coupling through hole 51 on the circumference of the side of the heavy-duty housing 50a so that the oil supplied from the oil supplying means 90 is injected into the coupling through hole 51 of the heavy-duty housing 50a. It is formed in a plurality of side through-holes (50d) in communication with,

The purpose is to smoothly drive the bearings 52 installed on both upper and lower sides of the drive shaft 30 inserted into the coupling through hole 51 of the heavy housing 50a.

The upper housing 50b is coupled to the upper portion of the heavy housing 50a and is configured by fixing with a plurality of bolts (not shown).

The upper housing (50b) is configured with an insertion and coupling hole (53).

The upper portion of the drive shaft 30 is inserted into the insertion coupling hole 53 to be configured.

The drive shaft 30 is inserted into the insertion and coupling hole 53 and is composed of an exposed portion 30a exposed on the upper portion of the insertion and coupling hole 53.

The washing tub 20 is installed on the exposed portion 30a of the drive shaft 30.

The rotation guide pipe 60 is configured to be inserted into a plurality of the inner circumference of the insertion coupling hole 53 at a distance from each other up and down.

An inner side air vent hole 50b-2 is configured to face the guide pipe 70 exposed between the rotation guide pipes 60.

On the other hand, the compressed air supplied from the air input means (90) is supplied to the side air through hole (50a-1) and the upper air through hole (50a-2) provided in the heavy-duty housing (50a), and the upper housing (50b). The guide pipe 70 which is supplied through the provided lower air through hole 50b-1 and the inner air through hole 50b-2 and communicates adjacently between the upper and lower portions of the rotation guide pipe 60, and The guide tube 70 and the drive shaft 30a are transferred to the drive shaft 30a inserted into the guide tube 70 to cool the high heat generated from the guide tube 70 and the drive shaft 30a rotated at high speed. ) To prevent damage due to high heat.

In addition, it is preferable that the rotation guide pipe 60 is formed of a heat-resistant synthetic resin material.

As described above, the rotation guide tube 60 is formed of a heat-resistant synthetic resin material to prevent damage from heat generated by high-speed rotation of the rotation shaft 30a and the guide tube 70.

The guide pipe 70 is configured by being inserted into the inner circumference of the rotation guide pipe 60.

The outer surface of the rotation guide pipe 60 is configured to be installed in contact with the outer peripheral surface of the guide pipe 70 inserted in the upper portion of the drive shaft 30.

That is, the upper and outer circumferences of the drive shaft 30a having the O-rings 32 are inserted into the inner circumference of the guide tube 70.

That is, three of the O-rings 32 installed on the outer circumference of the drive shaft 30 are configured to come into contact with the inner circumferential surface of the guide tube 70.

In addition, one of the coupling grooves 31 formed on the outer circumference of the drive shaft 30 is formed in a portion where it meets the upper end of the guide pipe 70 and uses the O-ring 32 in combination.

In this way, one of the coupling grooves 31 formed on the outer circumference of the drive shaft 30 is formed in a portion where it meets the upper end of the guide pipe 70, and the drive shaft 30 and the guide pipe are combined and used by the O-ring 32. (70) By maintaining the watertightness between the washing water, it prevents water from flowing between the drive shaft and the guide pipe to prevent rust from occurring, so that it can be used for a long time.

In addition, the thickness of the guide tube 70 is preferably formed to be 0.8mm ~ 4mm, but the thickness is not limited in order to improve the performance effect of the guide tube 70.

In addition, the upper end portion of the guide pipe 70 is configured by forming an inwardly inclined portion 71 inwardly inwardly.

The inwardly inclined portion 71 is formed inside the upper end of the guide tube 70 by inserting the drive shaft 30a into the inwardly inclined portion 71 of the guide tube 70, and the driving shaft 30a It is to more easily assemble inside the guide tube (70).

In addition, a silicon forming portion 72 formed of a silicon material is formed between the inwardly inclined portion 71 of the guide tube 70 and an outer circumference of the upper portion of the driving shaft 30.

As described above, consisting of a silicon forming portion 72 formed of a silicon material between the inwardly inclined portion 71 of the guide tube 70 and the outer circumference of the upper portion of the drive shaft 30,

The washing tub 20 is installed on the upper portion of the drive shaft 30, that is, on the exposed portion 30a of the drive shaft 30, and the washing water accommodated in the washing tub 20 is the outer circumference of the drive shaft 30 and the guide The inwardly inclined part 71 and the silicon forming part 72 formed on the upper outer circumference of the drive shaft 30 from permeating the inner circumference of the tube 70 to block the upper part of the drive shaft 30 and the guide tube The inwardly inclined portion 71 of (70) secures watertightness against washing water, so that the outer circumference of the drive shaft 30 is rusted due to the washing water in the washing tub 20, so that the drive shaft 30 is not used for a long time. This is to prevent the drive shaft 30 from being damaged by rust due to washing water and to be frequently replaced.

The lower housing 50c is configured such that the lower portion of the driving shaft 30 is coupled to the lower portion of the heavy load housing 50a.

As described above, the coupling through hole 54 is formed in the lower housing 50c coupled with the lower portion of the heavy housing 50c.

The lower portion of the drive shaft 30 is inserted into the coupling through hole 54 to be configured.

In addition, the lower portion of the drive shaft 30 is configured by being provided with an exposed portion 30b exposed to the lower portion of the coupling through hole 54.

The exposed portion 30b is configured in connection with the driving pulley 40.

A plurality of rotation guide pipes 60 are installed in the coupling through hole 54, and inner surfaces of both the rotation guide pipes 60 are installed in contact with the outer circumferential surfaces of the drive shaft 30.

On the other hand, it is composed of a plurality of side air through holes (50a-1) formed in the outer circumference of the heavy-duty housing (50a).

This is composed of a plurality of upper air through holes (50a-2) formed on the upper surface of the heavy-duty housing (50a).

The side air through hole 50a-1 and the upper air through hole 50a-2 are formed to be connected to each other.

It is composed of a plurality of lower air through holes (50b-1) formed under the upper housing (50b) so as to be connected with the upper air through holes (50a-2).

It is configured by having a plurality of inner side air through holes 50b-2 formed to be connected to each of the lower air through holes 50b-1 in a lateral direction to the insertion coupling hole 53 of the upper housing 50b.

The inner side air vent hole 50b-2 is configured in connection with a groove portion 61 formed between the upper and lower portions of the rotation guide pipe 60 and the outer surface and the inner circumference of the guide pipe 70.

And it is configured to be connected to the air input means 90 to supply compressed air to any one of the side air through holes (50a-1) selected from the side air through holes (50a-1).

It is configured to supply high-pressure air of the air input means 90 to the side air through hole 50a-1.

As described above, the high-pressure air supplied from the air input means 90 is provided in the heavy housing 50a, the side air through holes 50a-1 and the upper air through holes 50a-2, and the upper housing ( It is supplied through the lower air hole 50b-1 and the inner air hole 50b-2 provided in 50b), and between the upper and lower portions of the rotation guide pipe 60 and the outside of the guide pipe 70 The guide pipe 70 and the drive shaft 30a are transmitted to the guide pipe 70 cooled by high-pressure air by supplying high-pressure air to the side surface and the drive shaft 30a inserted into the guide pipe 70 to rotate at high speed. ) To cool the high heat generated in the guide pipe 70 and the drive shaft 30a from being damaged due to high heat.

The present invention described above includes the heavy-duty housing 50a having the coupling hole 51 and the upper housing 50b having the insertion coupling hole 53 and in which the water storage tank 10 is installed, and the heavy-duty housing 50a. ) And the lower housing (50c) is assembled, is installed vertically in the coupling hole 51, the insertion coupling hole 53, the coupling through hole 54, and the washing tub ( 20) and the drive shaft 30 connected to and installed, and the central portion of the drive shaft 30 is installed in the coupling hole 51 and the insertion coupling hole 53, and the drive shaft inserted into the coupling hole 51 A plurality of O-rings 32 are installed on the outer circumference of 30, the guide pipe 70 inserted into the drive shaft 30 in contact with the O-rings 32, and the guide pipe 70 Consisting of the rotation guide pipe 60 inserted in a plurality of the coupling hole 51 so as to contact the outer circumference of the drive shaft 30, the rotation of the coupling hole 51, the coupling hole 54 The rotation guide pipe 60 and the guide pipe 70 of the bearing 52 and the insertion coupling hole 53 are provided to smoothly and stably inside the coupling hole 51 and the insertion coupling hole 53 To rotate and use for a long time,

The O-rings 32 installed on the upper part of the drive shaft 30 and the O-rings 32 are inserted into the guide pipe 70 and the rotation guide pipe 60 which are coupled to the drive shaft 30. The drive shaft 30 is prevented from seeping from the upper portion of the drive shaft 30 to the lower portion of the washing tank 20 installed above the drive shaft 30 and the washing water accommodated in the storage tank 10 so that the drive shaft 30 (30) prevents rust from being damaged,

The O-rings 32 of the drive shaft 30 prevent abrasion of the inside of the guide tube 70 and the outside of the guide tube 70 with the rotation guide tube 60, and the upper and lower housings 50b ,50a) Air through holes are formed on the side, upper, and inner sides to inject compressed air, and both the upper and lower portions of the rotary guide pipe 60 and the outer surface of the guide pipe 70 are in contact with the air through holes. When compressed air is supplied to the guide tube 70 and the compressed air is delivered to the guide tube 70, the drive shaft 30 is damaged or damaged by heat by cooling the heat generated by the high-speed rotation of the drive shaft 30 in the guide tube 70 This is to overcome the hassle of replacing the drive shaft 30.

The embodiments according to the present invention described above are merely exemplary, and those of ordinary skill in the art to which the present invention pertains will appreciate that various modifications and other equivalent embodiments are possible. . Therefore, it will be appreciated that the present invention is not limited to the form mentioned in the detailed description above.

Therefore, the true technical scope of the present invention should be determined by the technical spirit of the appended claims. In addition, the present invention is to be understood as including the spirit of the present invention as defined by the appended claims and all modifications, equivalents and substitutes within the scope thereof.

10: water storage tank 20: washing tank
30: drive shaft 30a: exposed portion
31: coupling groove 32: O-ring
40: drive pulley 50a: heavy load housing
50a-1: side air through hole 50a-2: upper air through hole
50b: upper housing 50b-1: lower air hole
50b-2: inner side air vent hole 50c: lower housing
50d: side through hole 51: coupling hole
52: bearing 53: insertion coupling hole
54: coupling hole 60: rotation guide pipe
70: guide building 71: inward slope
72: silicon forming unit 80: air input means
90: oil supply means m: motor

Claims (6)

In the drive shaft coupling structure of the washing machine,
The lower portion of the drive shaft 30 provided in the washing machine is installed in connection with the drive pulley 40 that is driven in connection with the drive motor m, and the central portion of the drive shaft 30 is a coupling hole 51 of the heavy load housing 50a. ) Is vertically installed in connection with the bearings 52 installed on both sides of the inner circumference of the upper and lower sides, and the upper part of the drive shaft 30 is the insertion hole 53 of the upper housing 50b coupled to the upper part of the heavy load housing 50a ) Is inserted into the exposed portion (30a) so that the upper portion of the drive shaft 30 is exposed to the upper portion of the insertion coupling hole 53,
A plurality of rotation guide pipes 60 are inserted and installed in the insertion coupling hole 53, and the inner surfaces of both the rotation guide pipes 60 are outside of the guide pipe 70 inserted in the upper portion of the drive shaft 30. It is installed in contact with the circumferential surface, and a plurality of coupling grooves 31 are formed on the outer circumference of the drive shaft 30 located on the inner circumference of the guide pipe 70, and the O-ring 32 is formed in the coupling grooves 31. Are each inserted,
The lower portion of the drive shaft 30 is inserted into the coupling hole 54 of the lower housing 50c where the lower portion of the drive shaft 30 is coupled to the lower portion of the heavy housing 50a, and the lower portion of the drive shaft 30 It is provided as an exposed portion (30b) exposed to the lower portion of the coupling through hole (54),
A plurality of rotation guide pipes 60 are installed in the coupling through hole 54, and inner surfaces of both the rotation guide pipes 60 are installed in contact with the outer circumferential surfaces of the drive shaft 30,
Consisting of a storage tank 10 coupled to the upper housing 50b, and a washing tank 20 coupled to the exposed portion 30a of the drive shaft 30
The known technologies such as drive shaft 30, drive pulley 40, heavy housing 50a, coupling hole 51, bearing 52, upper housing 50b, insert coupling hole 53, exposed portion 30a , Rotation guide pipe (60), guide pipe (70), coupling groove (31), O-ring (32), lower housing (50c), coupling through hole (54), exposed portion (30b), water storage tank (10), washing tank ( In the drive shaft coupling structure of the washing machine formed as 20),
A plurality of side air through holes 50a-1 formed on the outer circumference of the heavy load housing 50a, a plurality of upper air through holes 50a-2 formed in the upper surface of the heavy load housing 50a, and the side air through holes ( 50a-1) and the upper air through hole 50a-2 are connected to each other, and a plurality of lower air through holes 50b formed in the lower portion of the upper housing 50b so as to be connected to the upper air through holes 50a-2 -1), and a plurality of inner side air through holes (50b-2) formed to be connected to each of the lower air through holes (50b-1) in a lateral direction to the insertion coupling hole (53) of the upper housing (50b) And, the inner side air vent hole (50b-2) is a driving shaft coupling structure of the washing machine, characterized in that formed in connection with between the rotation guide pipe (60). The method of claim 1,
The drive shaft coupling structure of the washing machine, characterized in that connected to the air input means (80) to supply compressed air to any one of the side air through holes (50a-1) selected from the side air through holes (50a-1). The method of claim 1,
One of the coupling grooves 31 formed on the outer circumference of the drive shaft 30 is the top of the guide tube 70
Drive shaft coupling structure of a washing machine, characterized in that formed at a portion meeting the end and coupled to the O-ring (32). The method of claim 1,
The drive shaft coupling structure of the washing machine, characterized in that the thickness of the guide pipe (70) is formed of 0.8mm ~ 4mm. The method of claim 1,
The rotation guide pipe 60 is a driving shaft coupling structure of a washing machine, characterized in that it is formed of a heat-resistant synthetic resin material. The method of claim 1,
Side penetration in communication with the coupling through hole 54 in the circumference of the side of the heavy load housing 50a so that the oil supplied from the oil supply means 90 is injected into the coupling through hole 51 of the heavy load housing 50a The drive shaft coupling structure of the washing machine, characterized in that formed in a plurality of balls (50d).

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