KR200358903Y1 - Lifter mounting structure of drum type washing machine - Google Patents

Abstract

The lifter mounting structure of the drum washing machine according to the present invention has a hook through hole and a hook guide hole formed in the drum center, and the inlet side of the hook guide hole is formed to have rounded left and right sides so that the hook easily enters the hook guide hole. Therefore, there is an advantage that the mounting of the lifter is easy.

Description

Lifter mounting structure of drum type washing machine

The present invention relates to a lifter mounting structure of a drum washing machine, and more particularly, to a lifter mounting structure of a drum washing machine, in which the hook of the lifter is easily slidable to facilitate the mounting of the lifter.

In general, a washing machine is a device for cleaning cloths by washing, rinsing, dehydrating, etc. to remove dirts on clothes, bedding, etc. (hereinafter, called pores) using water and detergent.

The washing machine is largely classified into an agitator type, a pulsator type and a drum type washing machine.

The stirring type washing by rotating the laundry rod towered in the center of the washing tank to the left and right, t the vortex type is rotated by rotating the disk-shaped rotary blade formed on the lower side of the washing tank to wash by using the friction between the water flow and the cloth, the drum type The drum is rotatably arranged inside the tub, and water and detergent and cloth are put into the drum to wash the drum by rotating the drum.

The drum washing machine is mounted so that the drum is laid on its side, and a gun entry hole is formed in front of the drum washing machine, and a lifter mounted on the inner circumference thereof raises and drops the cloth to clean the cloth.

The drum may be made of a single plastic injection molding, but is formed in a cylindrical shape in consideration of vibration generated when the drum rotates or a collision with a tub, and a drum center having the lifter mounted on an inner circumferential surface thereof, and a tip of the drum center. It is a trend that consists of a drum front coupled to the gun out hole formed in, and a drum bag blocking the back of the drum center.

Here, the lifter may be mounted to the drum center by fastening means such as bonding or bolts, but in consideration of workability or detergent, a hook may be formed on the lifter so that the hook may be hooked to the drum center. Most preferred.

That is, a hook protrudes from one surface of the lifter, and a lifter mounting hole is formed in the drum center to hook the hook.

The lifter mounting hole communicates with the hook through hole through the hook through hole through which the hook protruding from the lift penetrates from the inner side of the drum center to the outside, and the hook through hole so that the hook through the hook through hole slides. The hook guide hole has a narrower width, and the hook penetrates through the hook through hole and then slides along the hook guide hole. The hook is caught on both sides of the hook guide hole, thereby restricting the left and right movement thereof.

However, the lifter mounting structure of the drum washing machine according to the prior art has a problem that the hook is caught by the inlet of the hook guide hole and difficult to enter the hook guide hole when the hook enters the hook guide hole.

An object of the present invention is to provide a lifter mounting structure of a drum washing machine, which is designed to solve the problems of the prior art, and is easy to mount a lifter by sliding of the lifter.

Another object of the present invention is to provide a low cost drum washing machine mounting structure.

Another object of the present invention is to minimize the damage of the lifter to prevent shaking or random departure of the lifter.

1 is a cross-sectional view showing the inside of a drum washing machine equipped with a drum center and a lifter of the present invention;

Figure 2 is an exploded perspective view of the lifter mounting structure of the first embodiment of the lifter mounting structure of the drum washing machine according to the present invention;

Figure 3 is a perspective view after the lifter mounting of the first embodiment of the lifter mounting structure of the drum washing machine according to the present invention,

Figure 4 is an enlarged perspective view of a second embodiment of the lifter mounting structure of the drum washing machine according to the present invention.

<Explanation of symbols on main parts of the drawings>

30: drum 40: lifter

41,41 ′: Hook 41a, 41a ′: Head

41b, 41b ′: Thurs 42: Drum Center

42a; Via 44: Drum Front

44a: gun door 46: drum bag

46a; Via 51: Turning

52: left hook through hole 52 ': right hook through hole

53: left hook guide hole 53 ': right hook guide hole

53a, 53b: side of left hook guide hole

53a ′, 53b ′: Side of right hook guide hole

53c, 53d: side portion of the left hook guide hole

53c ′, 53d ′: side of right hook guide hole

54, 54 'left round part 55,55': round part

58: angled portion 56: protrusion forming hole

h: Spacing between left and right hooks H: Spacing between left and right hook guide holes

Lifter mounting structure of the drum washing machine according to the present invention for solving the above problems in the lifter mounting structure of the drum washing machine for mounting the lifter to the drum center, the drum center hooks protruding to the lift from the inside of the drum outside A hook through hole penetrating in a direction is formed, and a hook guide hole is formed through the hook through hole and narrower than the hook through hole so that the hook through the hook through hole is slidable. The left and right sides are rounded.

In addition, the lifter mounting structure of the drum washing machine according to the present invention is a lifter mounting structure of the drum washing machine in which the lifter is mounted on the drum center, the hook which protrudes to the lift in the drum center is penetrated outward from the inside of the drum; A through hole is formed, and a hook guide hole is formed through the hook through hole and narrower than the hook through hole so that the hook through the hook through hole is slid. The inlet side of the hook guide hole is one of left and right sides. It is characterized in that it is formed round.

In addition, the hook guide hole is characterized in that it passes through one side of the left and right of the hook through hole biased.

In addition, a protrusion forming hole is formed in the drum center so as to form a protrusion that is bent inwardly so that the lifter is engaged, and the protrusion forming hole is formed by punching outward from the inside of the drum center. The outer side is processed so that the formed burr is removed.

In addition, a protrusion forming hole is formed in the drum center so as to form a protrusion that is bent inwardly so that the lifter is engaged, and the protrusion forming hole is formed by punching inward from the outside of the drum center.

Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described in detail.

1 is a cross-sectional view showing the inside of a drum washing machine equipped with a drum center and a lifter of the present invention.

In the drum washing machine of the present invention, as shown in FIG. 1, a cabinet 4 is disposed on an upper side of the base 2, a top cover 6 is disposed on an upper surface of the cabinet 4, and the cabinet 4. The cabinet cover 8 is disposed in front of the.

The cabinet cover 8 has a fabric access hole 9 formed therein to allow the fabric m to enter and exit, and a door 10 for opening and closing the fabric access hole 9 is rotatably connected.

In addition, a control panel 12 for operating the washing machine is disposed on the upper side of the cabinet cover 8 or the upper cover 6.

On the other hand, in the space formed by the base 2, the cabinet 4, the top cover 6 and the cabinet cover 8, a tub 14 for containing water mixed with detergent or clean water (hereinafter referred to as washing water). ) Is located.

The tub 14 is mounted on the damper 3 connected to the base 2 and connected to the spring 5 connected to both sides of the cabinet 4 so as to be suspended from the damper 3 and the spring 5. Is bufferably supported.

The tub 14 is a circular cylinder lying on its side, and an opening hole 16 is formed at the rear of the gun entrance hole 9, and a water supply port 18 for supplying the washing water w on one upper side thereof. Twisting, the lower one side is formed with a drain 20 for draining the wash water (w).

In addition, the tub 14 is in close contact with the rear surface of the door 10 when the door 10 is closed, so that the wash water w or the cloth m is not separated between the door 10 and the tub 14. Gasket 22 is mounted.

One end of the gasket 22 is connected to the tub 14 so that the gasket 22 is positioned around the front of the opening hole 16 of the tub 14.

On the other hand, the back of the tub 14 is equipped with a motor 24 that is a drive means for rotating the drum 30 to be described later.

The motor 24 is composed of a stator 26 fixed to the back of the tub 14 and a rotor 28 surrounding the circumference and the back of the stator.

The drum 30 is a cylinder lying sideways like the tub 14 so that the lower part is immersed in the wash water w in the tub 14, and is rotatably positioned inside the tub 14.

The spider 32 is fixed to the back of the drum 30.

A shaft 33 for connecting to the rotor 28 is fixed to the spider 32 to protrude rearward.

The spider 32 is composed of a shaft connecting portion 34 to which the shaft 33 is fixed, and a plurality of legs 35, 36, 37 protruding radially from the shaft connecting portion 34. Each of the legs 35, 36, 37 is fixed to the rear side of the drum 30 by fastening means such as a bolt.

The shaft 33 has a front end fixed to the shaft connecting portion 34 and passes through an opening formed in the rear surface of the tub 14 and is supported by a bearing installed in the opening hole, and a rear end thereof is supported by the motor 24. ) Is fixed to the rotor 28.

The drum 30 is equipped with a lifter 40 for lifting and dropping the cloth m on the inner circumferential surface of the circumference, and the cloth m behind the cloth entry hole 9 of the cabinet cover 8. A cloth access hole 44a is formed to be allowed to go in and out, and a plurality of through holes 42a and 46a are formed to allow washing water or air to enter and exit the circumferential part or the back part.

Here, the drum 30 forms a circumference of the drum 30, the drum center 42 having the lifter 40 mounted thereon, and the through hole 42a formed thereon, and the front part of the drum 30 and are located at the center of the drum 30. It consists of a drum front (44) formed with the cloth entry hole (44a), and a drum bag (46) having a back portion of the drum (30) and having the through hole (46a) formed thereon.

The lifter 40 has a plurality of hooks 41 which are radially locked to the drum center 42 to protrude, and are caught by the protrusions 51 protruding from the drum center 42 to move forward. Limited, firmly fixed to the drum center 42.

Reference numeral 60 is a water supply valve connected to the external hose 58 to regulate the water supplied through the external hose 58, reference numeral 62 is a water supply hose for guiding water passing through the water supply valve 60, Reference numeral 64 is a detergent container installed so that detergent can be mixed with the water guided by the water supply hose 62, and reference numeral 66 denotes a water supply port 18 of the tub 14 for washing water passing through the detergent container 64. Water supply bellows pipe leading to).

In addition, reference numeral 70 is a drainage bellows pipe connected to the drain port 20 of the tub 14 so that the washing water w in the tub 14 is drained, and reference numeral 72 is the drainage bellows pipe 70. A pump for pumping the wash water guided to the reference numeral 74 is a drain hose connected to the pump for draining the wash water pumped from the pump to the outside of the washing machine.

Figure 2 is an exploded perspective view before the lifter mounting structure of the first embodiment of the lifter mounting structure of the drum washing machine according to the present invention, Figure 3 is a perspective view after the lifter mounting structure of the first embodiment of the lifter mounting structure of the drum washing machine according to the present invention.

As shown in FIGS. 2 and 3, the lifter mounting structure of the drum washing machine according to the present embodiment has the hooks 41 and 41 ′ penetrate the drum center 42 from the inner side to the outer side of the drum 30. Hook through holes 52 and 52 'are formed, and the hook through holes 52 and 52' are provided such that the hooks 41 and 41 'passing through the hook through holes 52 and 52' are slid back and forth. Hook guide holes 53 and 53 ', which are narrower in width than the hook through holes 52 and 52', are formed.

That is, when the lifter 40 passes the heads 41a and 41a 'of the hooks 41 and 41' through the hook through holes 52 and 52 ', the heads of the hooks 41 and 41' are separated. 41a and 41a 'protrude to the outer circumferential surface of the drum center 42, and then guide the hooks 41b and 41b' of the hooks 41 and 41 'to the hook through holes 52 and 52'. When inserted into the holes 53 and 53 ', the necks 41b and 41b' of the hook hooks 41 and 41 'slide backward along the hook guide holes 53 and 53' so that the hook guide holes ( The left and right sides 53a, 53b, 53a 'and 53b' of the 53 and 53 'are radially engaged, and the heads 41a and 41a' of the hooks 41 and 41 'are hook guide holes. The side portions 53c, 53d, 53c ', and 53d' of the sides 53 and 53 'are engaged in the inward direction of the drum center 42.

Here, the hook guide holes 53 and 53 'are both left and right sides of the inlet side so that the necks 41b and 41b' of the hooks 41 and 41 'can easily enter the hook guide holes 53. (54,55,54'.55 ') are rounded.

Meanwhile, the hooks 41 and 41 ', the hook through holes 52 and 52', and the hook guide holes 53 and 53 'are formed in the lifter 40 and the drum center 42 in front and rear directions. .

In addition, the hooks 41 and 41 ', the hook through holes 52 and 52', and the hook guide holes 53 and 53 'are formed to be spaced apart from left and right sides.

The left and right hook guide holes 53 and 53 'are provided with left and right hooks 41 and 41 so that the necks 41b and 41b' of the left and right hooks 41 and 41 'are elastically bent and slide. Are spaced apart to have an interval H greater than the interval h '.

That is, the left hook guide hole 53 is formed to be deflected to the left at the rear end of the left hook through hole 52, and the right hook guide hole 53 'is the rear end of the right hook through hole 52'. To be deflected to the right.

That is, the lifter 40 has the left and right hooks when the necks 41b and 41b 'of the left and right hooks 41 and 41' are inserted into the left and right hook guide holes 53 and 53 '. The necks 41b and 41b 'of (41, 41') are elastically bent and slide into the left and right hook guide holes 53 and 53 ', and the left and right hook guide holes 53 are caused by the bending. 53 '), the shaking is minimized.

On the other hand, the drum center 42 is formed with a projection forming hole 56 to form a projection (51) to which the lifter 40 is engaged.

Here, the protrusion 51 is bent in the inward direction of the drum center 42 as shown in FIGS. 1 and 3 so that the lifter 40 slides backward and does not slide forward again. 40).

The protrusion forming hole 56 is formed in plural in the front-rear direction, and is formed in a 'ㄷ' shape.

The protrusion hole hole 56 is formed by punching outward from the inside of the drum center 42 or punching outward from the inside of the drum center 42, and the protrusion when punching outward from the inside of the drum center 42. Since the burr formed outside the 51 damages the lifter 40, the outside of the protrusion 51 is processed to remove the burr.

Figure 4 is an enlarged perspective view of a second embodiment of the lifter mounting structure of the drum washing machine according to the present invention.

Lifter mounting structure of the drum washing machine according to the present embodiment, as shown in Figure 4, the inlet side of the hook guide holes (52, 52 ') of the left, right (55, 58, 55', 58 ') of one side ( 55, 55 ') is rounded, and the other side (58, 58') is formed angled to reduce the cost and work maneuver by omission of a separate round process, the other configuration and action is the first implementation of the present invention Since it is the same as the example, the same code | symbol is used and the detailed description is abbreviate | omitted.

On the other hand, the portion 55, 55 'of the inlet left and right (55, 58, 55', 58 ') of the inlet side of the hook guide holes (52, 52') is formed round the hook of the hook guide hole ( 52, 52 ') at the point of contact.

Lifter mounting structure of the drum washing machine according to the present invention is configured as described above hook through-hole and hook guide hole is formed in the drum center, the inlet side of the hook guide hole is formed to be rounded left, right sides, hook guide Since it is easy to enter the hole, there is an advantage that the mounting of the lifter is easy.

In addition, the lifter mounting structure of the drum washing machine according to the present invention is one side of the inlet side left, right side of the hook guide hole is formed round, the advantage that the cost is reduced than when forming the inlet side left, right side of the hook guide hole round There is this.

In addition, the lifter mounting structure of the drum washing machine according to the present invention is formed so that each of the hook, the hook through hole and the hook guide hole are left and right spaced apart, the left and right hook guide hole is the left, right hook is elastic Since the left and right hooks are spaced larger than the gap between the left and right hooks so as to slide in a curved manner, the left and right hooks are held in close contact with the left and right hook guide holes, thereby minimizing the shaking of the lifter.

Claims (6)

In the lifter mounting structure of the drum washing machine for attaching the lifter to the drum center, The drum center has a hook through hole through which a hook protruding from the lift penetrates from the inside of the drum to an outward direction. Narrow hook guide hole is formed, The inlet side of the hook guide hole is a lifter mounting structure of the washing machine, characterized in that the left, right sides are formed round. In the lifter mounting structure of the drum washing machine, the lifter is mounted to the drum center, The drum center has a hook through hole through which a hook protruding from the lift penetrates from the inside of the drum to an outward direction. Narrow hook guide hole is formed, Lifter mounting structure of the washing machine, characterized in that the inlet side of the hook guide hole is formed one side of the left, right round. The method according to claim 1 or 2, Each of the hook, the hook through hole, and the hook guide hole is formed to be spaced apart from left and right sides. The left and right hook guide holes are lifter mounting structure of the washing machine, characterized in that the left and right hooks are spaced larger than the gap between the left and right hooks so as to slide elastically. The method of claim 3, wherein The left hook guide hole is formed to be deflected to the left at the rear end of the left hook through hole, And the right hook guide hole is formed to be deflected to the right at the rear end of the right hook through hole. The method according to claim 1 or 2, The drum center is formed with a projection forming hole to form a projection that is bent inward to the hook, The protrusion forming hole is formed by punching outward from the inside of the drum center, The protrusion is a lifter mounting structure of the washing machine, characterized in that the outer side is processed so that the burr formed on the outer side is removed. The method according to claim 1 or 2, The drum center is formed with a projection forming hole to form a projection that is bent inward to the hook, The protrusion forming hole is a lifter mounting structure of the washing machine, characterized in that formed in the direction punched inward from the outside of the drum center.