KR100517597B1 - The damper mounting of a drum washer - Google Patents

Abstract

The present invention relates to a damper assembly structure of a drum washing machine, wherein the tub cover and the tub body are formed to face the first and second fixing ends at predetermined intervals, respectively, and the hook is attached to any one of the first fixing end and the second fixing end. At the same time, since the hook hole is formed at the other, the damper is fixed at the same time as the tub cover and the tub body are coupled, thereby simplifying the assembly and manufacturing process.

Description

Damper assembly structure of drum washing machine {The damper mounting of a drum washer}

The present invention relates to a damper assembling structure of a drum washing machine, and more particularly, to a damper assembling structure of a drum washing machine which can couple a tub cover and a tub main body which form the front and rear sides of a tub to each other and at the same time fasten a damper.

In general, a washing machine is a machine that removes stains on clothes by providing a mechanical action using electricity. A drum washing machine is rotated by a driving force of a motor while detergent, washing water, and laundry are put in a drum installed horizontally. Washing by using the friction between the drum and the laundry is almost no damage to the laundry and the laundry is not tangled with each other, knocking and rubbing has the washing effect.

1 is a cross-sectional view showing a drum washing machine according to the prior art, Figure 2 is an enlarged cross-sectional view showing a damper assembly structure of the drum washing machine according to the prior art.

The conventional drum washing machine is a tub (6) is installed to be suspended by a spring (4) inside the cabinet (2), as shown in Figure 1, the drum (8) is installed inside the tub (6) to wash the laundry And a lifter 10 mounted on the inner side of the drum 8 to lift the laundry so that the laundry falls by gravity at a predetermined height, and mounted on one side of the tub 6 so as to mount the drum 8. It consists of the motor 12 which rotates.

In addition, a cabinet cover 3 having an input hole (not shown) is mounted at the front of the cabinet 2 so that laundry can be put in and taken out from the center, and an input hole (not shown) of the cabinet cover 3 is installed. In order to prevent the laundry from being separated from the door 20 is installed to open and close, the upper side of the cabinet 2 is provided with a control panel 7 for adjusting the operation of the washing machine.

Here, a water supply hose 14, a water supply valve 16, and a detergent box 18 for supplying washing water and detergent into the tub 6 are built in the upper side of the cabinet 2, and the tub 6 The lower side of the) is provided with a drain pump 22 and the drain hose 24 for circulating or discharging the wash water.

In particular, the tub (6) and the tub cover (6a) and the tub body (6b) to form a front and rear for easy assembly and installation is coupled to each other by a plurality of bolts (B) and clamps (not shown), the tub A damper 30 is installed between the lower end of 6 and the bottom of the cabinet 2 to attenuate vibrations generated during washing, rinsing, and dehydration strokes.

Here, the damper 30 is sandwiched between the first and second fixed ends 32a and 32b, the upper end of which is formed to face each other at a predetermined interval below the tub cover 6a, as shown in FIG. Hinge 34 is inserted into and fixed to upper ends of the first and second fixing ends 32a and 32b and the damper 30.

The lower end of the damper 30 is also hinged to the bottom of the cabinet 2 to fix the tub 6 while reducing the up, down, left, and right vibrations of the tub 6.

However, the damper assembly structure of the drum washing machine according to the prior art has a problem in that the assembly and manufacturing process is cumbersome since the damper is fixed to the lower side of the tub cover by the hinge and then the tub cover is coupled to the tub body.

In addition, since the damper is hinged to the fixed end formed at the bottom of the tub cover, there is a problem that the coupling force is weak and the coupling may be dismantled by severe vibration.

The present invention has been made in order to solve the above problems of the prior art, by assembling the tub cover and the tub body forming the front and rear of the tub and at the same time by fixing the damper to the lower side of the tub, the assembly of the damper is easy, It is an object of the present invention to provide a damper assembly structure of a drum washing machine which can prevent any removal of the damper.

The damper assembly structure of the drum washing machine according to the present invention for solving the above problems is a tub cover and tub body forming the tub front and rear of the washing machine, a first fixed end formed on the tub cover, and the tub body in the first In the damper assembly structure of the drum washing machine comprising a second fixed end formed to face the first fixed end and a damper is provided between the first and the second fixed end so that the vibration of the tub is attenuated, the first fixed of the tub cover A hook hole is formed at an end thereof, and a hook protruding toward the first fixing end side is formed at the second fixing end of the tub body to penetrate one side of the damper and to be inserted into and fixed to the hook hole of the first fixing end. The hook is formed between the locking portion inserted into the hook hole of the first fixing end and the locking portion and the second fixing end so as to penetrate the damper. Comprising a cylindrical through portion disposed, the damper is formed with a through hole on one side so as to be rotatably assembled to the through portion of the hook.

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

3 is a cross-sectional view showing a drum washing machine according to the present invention, Figure 4 is an enlarged cross-sectional view showing a damper assembly structure of the drum washing machine according to the first embodiment of the present invention.

The drum washing machine according to the present invention is supported so that the tub 56 is suspended by the spring 54 inside the cabinet 52 with the front open as shown in FIG. 3, and the laundry inside the tub 56. Washing drum 58 is rotatably installed, and a plurality of lifters 60 are formed inside the drum 58 to lift and drop the laundry to a predetermined height, and the drum 56 is located behind the tub 56. The motor 62 is installed by the drum 58 and the rotating shaft 62a to generate power so as to rotate the 58.

In addition, a cabinet cover 53 having an input hole (not shown) through which laundry enters and exits is mounted in front of the cabinet 52, and a door 70 is provided in an input hole (not shown) of the cabinet cover 53. It is installed to be openable and close, and a control panel 57 is installed above the cabinet 52.

Here, a water supply hose 64, a water supply valve 66, and a detergent box 68 for supplying washing water and detergent into the tub 56 are built in the upper side of the cabinet 52, and the tub 56 The lower side of the) is provided with a drain pump 72 and the drain hose 74 for circulating or discharging the wash water.

As shown in FIG. 4, the damper assembly structure of the drum washing machine according to the first embodiment of the present invention includes a tub cover 56a and a tub body 56b which form front and rear sides of the tub 56, and the tub cover ( Between the first and second fixed ends 82a and 82b formed opposite to each other on the 56a and the tub body 56b, and the first and second fixed ends 82a and 82b to damp vibrations of the tub 56. It is composed of a damper (80) installed in the, and the hook (84) protruding integrally with the first fixed end (82a) is inserted through the damper (80) and inserted into the second fixed end (82b). .

The tub cover 56a and the tub body 56b are coupled to each other by a plurality of bolts B and clamps (not shown), and the first and second fixing ends 82a and 82b are connected to the tub cover 56a. The lower coupling portion of the tub body 56b is formed to face each other at a predetermined interval.

The damper 80 has an upper end disposed between the first and second fixed ends 82a and 82b so as to be rotatable by the hook 84 and the lower end is hinged to a bottom of the cabinet 52. . The damper 80 buffers and supports the tub 56 while reducing up, down, left, and right vibrations of the tub 56. The through hole 80h and the hook hole 84h are formed at the upper end and the second fixing end 82b of the damper 80 such that the hook 84 is inserted therethrough. Both ends of the hook 84 are connected to the engaging portion 84a inserted into the hook hole 84h of the second fixing end 82b, and the engaging portion 84a and the first fixing end 82a. And a cylindrical through portion 84b disposed to penetrate the damper 80. Here, the engaging portion 84a of the hook 84 is fastened to the hook hole 84h, The fastening force is secured, and the through part 84b is inserted into the through hole 80h of the damper 80 so that the damper 80 is rotatable. Such a hook 84 is the damper 80. After penetrating through the through hole (80h) of the second fixing end (82b) so as to be inserted into the hook hole (84h) is projected from the first fixing end (82a) to the second fixing end (82b) side.

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5 is an enlarged cross-sectional view of a damper assembly structure of a drum washing machine according to a second embodiment of the present invention. Here, the same reference numerals as those of the above-mentioned drawings indicate the same members. In accordance with a second embodiment of the present invention, FIG. As shown in FIG. 5, the damper assembly structure of the drum washing machine includes a tub cover 56a and a tub body 56b that form the front and rear sides of the tub 56, and the tub cover 56a and the tub body 56b. First and second fixed ends 82a and 82b formed to face each other, and dampers 80 provided between the first and second fixed ends 82a and 82b to attenuate vibrations of the tub 56; The hook 85 is integrally protruded from the second fixing end 82b and inserted into the damper 80 and inserted into and fixed to the first fixing end 82a. Both ends of the locking portion 85a inserted into the hook hole 85h of the first fixing end 82a, and the locking portion 85a and the second fixing end 82b. And a cylindrical through portion 85b connected to the damper 80 to be penetrated. That is, the hook hole 85h is inserted into and fixed to the first fixing end 82a. The through hole 80h is formed in the upper portion of the damper 80 so that the hook 85 may be inserted therein. The hook 85 may include a through hole of the damper 80. The first fixing end 82b protrudes from the second fixing end 82b so as to be inserted into the hook hole 85h of the first fixing end 82a after being penetrated through 80h. The locking portion 85a of the 85 is fastened to the hook hole 85h to secure the fastening force of the hook 85, and the through portion 85b is rotated inside the through hole 80h of the damper 80. On the other hand, since the other structure of the damper assembly structure of the drum washing machine according to the second embodiment of the present invention is configured in the same manner as in the first embodiment, The detailed description thereof will be omitted. The assembly process and operation of the damper assembly structure of the drum washing machine according to the second embodiment of the present invention will be described as follows. First, the drum 58 inside the tub body 56b. Is disposed, the motor 62 is installed on the rear side of the tub body 56b so that the rotating shaft is connected to the drum 58, the damper 80 at the second fixed end 82b of the tub body 56b. Here, the hook 85 formed in the second fixing end 82b is inserted into the through hole 80h of the damper 80 so that the damper 80 has an upper portion of the hook 85. After being rotatably fitted in the penetrating portion 85b, the tub body 56b is connected to the upper portion of the cabinet 52 by a spring 54 and is simply and reliably supported at a predetermined position of the cabinet 52. When the drum 58, the motor 62 and the damper 80 are installed in the tub body 56b as described above, the tub cover 56a It is moved horizontally from the front of the tub body 56b to the rear side to be mounted on the front surface of the tub body 56b, and the circumferential portions of the tub cover 56a and the tub body 56b are provided with a plurality of bolts B and clamps. In other words, the drum 58 is formed to have a longer length than the length of the tub body 56b so that the front portion of the drum 58 protrudes in front of the tub body 56b. Therefore, the tub cover 56b may be coupled to the front surface of the tub body 56a without being disturbed by the drum 58, and the tub cover 56b may be disposed at the front of the tub body 56a. 56a) is moved horizontally. On the other hand, as the tub cover 56b and the tub body 56b are coupled, the hook 85 of the second fixing end 82b is fitted into the hook hole 85h of the first fixing end 82a to be fixed. The damper 80 temporarily assembled to the through portion 85b of the hook 85 is fixed between the first fixing end 82a and the second fixing end 82b, and is damped by the vibration of the tub 56. When the tub cover 56a is horizontally moved to the front of the tub body 56b, the first fixing end 82a approaches the second fixing end 82b. The engaging portion 85a of the hook 85 to which the damper 80 is temporarily assembled is inserted into the hole 85h. Thus, the first fixing end (1) is coupled to the tub cover 56a and the tub body 56b. Since the damper 80 is provided between 82a and the second fixed end 82b, a process for installing the damper 80 between the first and second fixed ends 82a and 82b becomes unnecessary. The drum 58 and the motor If the tub body 56b with the 62 and the damper 80 is first installed inside the cabinet 52, and then the tub cover 56a is mounted on the tub body 56b, a separate member is required. The hook 85 formed in the tub body 56b without being inserted into one end of the damper 80 is easily assembled into the cabinet 52, and then the tub cover 56a is installed at the front of the cabinet 52 in the tub body 56b. Since it is mounted on the front of the), the assembly work of the tub 56 and the damper 80 is performed very simply and quickly.

In the damper assembly structure of the drum washing machine according to the present invention as described above, the hook is fitted into the hook hole formed in the first fixing end is protruded from the second fixing end formed in the tub body, so that the tub body is temporarily assembled into the cabinet. The tub body is easily assembled in a cabinet by fitting a through hole of the damper into a hook formed in the second fixed end without the need to insert a separate connecting member such as a hinge into the through hole of the second fixing end and the damper. Then, when the hook hole formed in the tub cover is fitted to the hook, there is an advantage that the curve cover is easily assembled to the tub body.

In addition, the hook and the hook hole is formed in a direction in which the tub cover is coupled to the tub body, the hook is fastened to the hook hole by a single operation of coupling the tub cover to the tub body, thereby reducing the assembly labor, The manufacturing process of the drum washing machine also has an advantage of being shortened. Further, since the first fixing end and the second fixing end are hooked, the damper is assembled to the first fixing end and the second fixing end by a hinge as in the related art. Compared with the superior bonding force, the damper is stably fixed, and there is an advantage of preventing any removal of the damper due to the vibration of the tub.

1 is a cross-sectional view showing a drum washing machine according to the prior art,

Figure 2 is an enlarged cross-sectional view showing the damper assembly structure of the drum washing machine according to the prior art,

3 is a sectional view showing a drum washing machine according to the present invention;

4 is an enlarged cross-sectional view illustrating a damper assembly structure of a drum washing machine according to a first embodiment of the present invention, and FIG. 5 is an enlarged cross-sectional view illustrating a damper assembly structure of a drum washing machine according to a second embodiment of the present invention. .

<Explanation of symbols on main parts of the drawings>

52: cabinet 56: tub

56a: tub cover 56b: tub body

80: damper 82a, 82b: fixed end

84: hook B: bolt

Claims (3)

Tub cover and tub body forming the tub front and rear of the washing machine, a first fixed end formed on the tub cover, a second fixed end formed on the tub body to face the first fixed end, and the vibration of the tub is attenuated In the damper assembly structure of the drum washing machine consisting of a damper having one side between the first and second fixed ends, The first fixing end of the tub cover is formed with a hook hole, the second fixing end of the tub body through the one side of the damper and is inserted into the hook hole of the first fixing end fixed to the first Damper assembly structure of the drum washing machine, characterized in that the hook protruding toward the end side. The method of claim 1, The hook is composed of a locking portion inserted into the hook hole of the first fixed end, and a cylindrical through portion formed between the locking portion and the second fixed end and disposed to penetrate the damper, The damper is a drum washing machine damper assembly structure, characterized in that the through-hole is formed on one side so that the penetrating portion of the hook is rotatably inserted. delete