KR200157093Y1 - Damping apparatus of washer - Google Patents

Abstract

The damper device of the washing machine according to the present invention, the plurality of damper cover 201 to buffer the transmission of the vibration and shock from the washing tank 20 to the washing machine body 10 while the washing tank 20 is suspended. In the damper device of a washing machine consisting of a suspension bar 202, a suspension spring 203, an air chamber 204, an air chamber spring 205 and a plain washer 206, through the lower portion of the suspension bar 202 Since the plain washer 206 is installed to disassemble and assemble the suspension spring 203, the air chamber 204, and the air chamber spring 205, it is easy to disassemble and assemble during mass production and A / S repair. It can be.

Description

Damper device of washing machine

1 is a longitudinal cross-sectional view showing a general washing machine.

2 is an exploded perspective view showing a conventional damper means.

3 is a cross-sectional view showing a conventional damper means.

Figure 4 is an exploded perspective view showing a damper means according to an embodiment of the present invention.

5 is a perspective view showing the main portion of the damper means of the present invention.

6 is a cross-sectional view of a suspension bar according to another embodiment of the present invention.

Figure 7 is an exploded perspective view showing a damper means according to another embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: washing machine body 20: washing tank

200: damper means 201: damper cover

202: suspension bar 202a: locking groove

203: suspension spring 204: air chamber

205: air seal spring 206: plain washer

206a: disc body 206b: cutout

206c: fixed jaw 206d: through hole

The present invention relates to a damper device of a washing machine, and more particularly, to a damper device of a washing machine to buffer the vibration and shock transmitted from the washing tank to the washing machine body while supporting the washing tank suspended by the plurality of damper means.

In the conventional washing machine, as shown in FIG. 1, the washing tank 20 is provided with a plurality of damper means 30 in the washing machine body 10 so as to buffer vibration and shock from being transmitted to the washing machine body 10 during washing and dehydration. It is mounted to hang at a predetermined height by a), one side of the outer bottom surface of the washing tank 20 is mounted with a motor 40 to be driven by the power, the center of the outer bottom surface of the washing tank 20 The power transmission means 60 is mounted to receive the driving force from the 40 through the belt 50.

In addition, the washing tank 20 is equipped with a dehydration tank 70 so as to dewater the water absorbed by the laundry by centrifugal action while being rotated by receiving the driving force of the power transmission means 60, the dehydration tank ( 70, the bottom of the power transmission means 60 receives the driving force of the power transmission means 60 while forming a water flow (vortex phenomenon) in the tap water supplied in the dehydration tank (70) and at the same time stirring to wash the received laundry to stir to wash Means (80) is rotatably mounted, and in the washing tank (10) and the dehydrating tank (70), detergent granules introduced by the water pressure of the tap water are dissolved into dense particles on the upper rear side of the washing machine body (10). Detergent dissolution means 90 is mounted to be supplied.

The lower end side of the washing tub 20 is equipped with a water level sensing means 100 to properly adjust the water level by the air compressed by receiving the pressure of the tap water supplied in the washing tub 20, the washing machine body 10 The rear side of the top cover 110 covering the upper portion of the water supply means 130 is connected to the faucet 120 is connected to the faucet 120 to supply and block the tap water in the washing tank 20 under the control of the water level detecting means 100. The drainage means 140 is mounted on one side of the bottom of the washing tub 20 to drain and block the contaminated water in the washing tub 20 to the outside of the washing machine body 10.

In the conventional washing machine configured as described above, first, a predetermined amount of detergent is introduced into the detergent dissolving means 90, the power is applied and the laundry is introduced into the dehydration tank 70, and then washing conditions are selected to supply the water supply means ( When the 130 is operated, the tap water passes through the already opened faucet 120 and the water supply means 130, and passes through the detergent dissolving means 90, thereby dissolving the detergent grains introduced into the detergent dissolving means 90 into dense particles. At the same time, the water is supplied into the washing tank 20 and the dehydrating tank 70 together with the dissolved detergent.

Then, during water supply, the water level detecting means 100 receives the pressure of the tap water to control the level of water by the level already programmed by the compressed air pressure to operate the microcomputer (not shown), and to detect the signal of the micom. As a result, a predetermined amount of tap water is completed in the washing tank 20 and the dehydrating tank 70.

Meanwhile, at the same time as the washing machine is operated, the motor 40 is driven by being supplied with power, and the driving force is transmitted to the power transmission means 60 via the belt 50, so that the power transmission means 60 is stirred according to the washing stroke. The left and right means 80 are reversed.

At this time, the stirring means 80 is left and right reversed to form a water flow (for example, vortex phenomena) in the tap water supplied in the dehydration tank 70 and at the same time to wash by washing the laundry.

When the washing stroke is completed as described above, the dehydration tank 70 is rotated by receiving power of the power transmission means 60 according to the rinsing stroke and the dehydrating stroke to dehydrate the rinsing water and the contaminated water absorbed by the laundry. Rinse water and contaminated water is drained to the outside of the washing machine through the drain hose (not shown) by the operation of the drain means (140).

However, the conventional washing machine configured as described above buffers the washing tank 20 in the washing machine body 10 to be suspended at a predetermined height and at the same time transmits vibrations and shocks from the washing tank 20 to the washing machine body 10. In order to make the assembly and disassembly of the plurality of damper means 30 more convenient, the structure of the damper means 30 acts as an important factor.

Thus, in the conventional damper means 30, as shown in FIG. 2 and FIG. 3, a plurality of damper covers 31 are fixedly coupled to the lower outer wall of the washing tank 20 at regular intervals. The lower end of the plurality of suspension bars 32 is supported by the plurality of damper covers 31 so that the washing tank 20 is suspended at a predetermined height in the washing machine body 10 and at the same time, the upper end thereof is in the washing machine body 10. It is supported by the upper corner, the suspension when assembling the plurality of damper cover 31 and the plurality of suspension bars 32 to buffer the vibration and shock transmitted from the washing tank 20 to the washing machine body 10 The plane washer 33, air seal spring 34, air seal 35 and suspension spring 36 are sequentially inserted through the upper end of the bar 32 and are internally integrated through the lower portion of the damper cover 31. .

At this time, at the lower end of the suspension bar 32, the head washer 32a which engages to prevent the plane washer 33 from escaping downward is integrally formed.

In the conventional damper device configured as described above, when the washing machine is operated, the vibration and shock generated by the left and right reverse operation of the stirring means 80 during the washing stroke and the rotation operation of the dehydrating tank 70 during the rinsing and dehydrating stroke are performed by the washing tank 20. Is delivered).

At this time, the vibration and shock transmitted to the washing tank 20 is absorbed and buffered by a plurality of damper means 30 installed inclined between the lower end of the washing tank 20 and the upper end of the washing machine body 10, washing machine body 10 Will not be delivered.

However, the conventional damper means 30 configured as described above separates the upper end of the suspension bar 32 and the washing machine main body 10, and then separates the suspension bar 32 and the damper cover 31, and the suspension bar ( 32) The plain washer 33, the air seal spring 34, the air seal 35 and the suspension spring 36 fitted to the structure 32 can be separated or assembled in the reverse order. There was a problem that it was difficult to disassemble and assemble during repair.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a damper device for a washing machine that can simplify the disassembly and assembly of the damper means and at the same time increase the productivity in mass production. .

In order to achieve the above object, a damper device of a washing machine according to the present invention includes a plurality of damper covers, suspension bars, suspension springs, and the like, to buffer the transmission of vibrations and shocks from the washing tank to the washing machine while the washing tank is suspended. The damper device of a washing machine comprising an air chamber, an air chamber spring, and a plain washer, characterized in that the plane washer is installed to disassemble and assemble the suspension spring, the air chamber, and the air chamber spring through the lower portion of the suspension bar.

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

In the drawings, the same components as in the related art are denoted by the same name and the same reference numerals, and detailed description thereof will be omitted.

In the damper means 200 of the present invention, as shown in FIGS. 4 and 5, a plurality of damper covers 201 are fixedly coupled to the lower outer wall of the washing tank 20 at regular intervals. The lower ends of the plurality of suspension bars 202 are supported through the upper portions of the plurality of damper covers 201 so that the washing tank 20 is suspended at a predetermined height in the washing machine body 10, and at the same time, the upper ends thereof are supported. It is supported by the upper corner portion of the washing machine body 10, and protrudes downward through the plurality of damper covers 201 to buffer the vibration and shock transmitted from the washing tank 20 to the washing machine body 10. The suspension spring 203, the air chamber 204, the air chamber spring 205, and the plane washer 206 are sequentially fitted through the lower portions of the plurality of suspension bars 202, and at the same time, the plurality of damper covers 201. Of) It is embedded in the inside by way of a.

At this time, the plurality of suspension bars 202 is formed with a concave locking groove 202a to be fitted and fixed by the one-touch method to the plane washer 206 in the lower outer diameter.

That is, the engaging groove 202a is formed in a plane symmetrically in two directions with respect to the outer diameter of the suspension bar 202 as shown in FIGS. 4 and 5 or as shown in FIG. Planes are formed in three directions.

On the other hand, the plain washer 206 has a cutout portion 206b formed from the center of the disc body 206a to the circumferential surface so that the plain washer 206 is fitted with each other through the lateral direction of the locking groove 202a formed in the suspension bar 202. In the middle of one side of the cutout 206b, a fixing jaw 206c is integrally formed to protrude so that the coupling between the locking groove 202a and the cutout 206b is not separated. The through hole 205d is formed at the rear of the disk body 206a.

Next, the assembled and disassembled state of the present invention constructed as described above will be described.

First, in order to assemble the damper means 200 disassembled as shown in FIG. Inserted through the top of the two damper cover 201 to protrude downward, and then through the lower side of the protruding suspension bar 202, the suspension spring 203, air chamber 204, air chamber spring 205 And the cut washer 206b formed at the plane washer 206 in the lateral direction of the locking groove 202a formed at the lower end of the suspension bar 202 while the plain washer 206 is sequentially fitted to the outer diameter by one-touch method. Combine to fit together.

That is, when the cutout 206b formed in the disc body 206a of the plain washer 206 is inserted toward the side of the catching groove 202a formed at the bottom of the suspension bar 202, the catching groove 202a is cut out. By forcibly hitting the fixing jaw 206c protruding from the inner end of the 206b, the locking grooves 202a are easily separated by the height of the fixing jaw 206c. Will not be.

In such an assembled state, when the bent portions (not shown) formed at the upper ends of the plurality of suspension bars 202 are fixed to the upper corners of the washing machine main body 10, the plurality of damper covers by the load of the washing tank 20 ( The suspension spring 203, the air chamber 204, the air chamber spring 205 and the plane washer 206, which are fitted to the lower ends of the plurality of suspension bars 202 while the 201 is simultaneously lowered, are sequentially received therein. At the same time, the circumferential surface of the air chamber 204 is in close contact with the inner circumferential surface of the damper cover 201 to allow the air cushion to be absorbed so that the vibration is transmitted from the washing tank 20 to the washing machine body 10. Will let you.

At this time, the suspension spring 203 is the upper and lower ends of the damper cover 201 and the plain washer 206 by the compression pressure acts up and down to buffer the shock from the washing tank 20 to be transmitted to the washing machine body (10). It will be made.

On the other hand, when disassembling the damper means 200, by pulling the plane washer 206 horizontally fitted to the locking groove 202a of the suspension bar 202 laterally, the locking groove 202a and the plane washer ( The coupling with the cutout 206b formed at the 206 is separated, and the air chamber spring 205, the air chamber 204, and the suspension spring 203 are separated through the lower side of the suspension bar 202.

In the above description, the assembly of the suspension bar 202 and the plane washer 206 has been described with an example of a structure in which the one-touch method is fitted to each other and combined, but the present invention is not limited thereto. For example, as shown in FIG. 7, the assembly of the suspension bar 202 ′ and the plane washer 206 ′ by screwing together does not depart from the concept of the present invention.

As described above, the damper device of the washing machine according to the present invention separates the suspension bar and the damper cover by separating the plain washer that is fitted or screwed to the lower end of the suspension bar without separating the washing machine main body and the upper end of the suspension bar. At the same time, the suspension spring, air seal and air seal spring fitted to the suspension bar can be separated sequentially or assembled by reverse sequencing, so it is easy to disassemble and assemble during mass production and A / S repair. It can be effective.

Claims (5)

In the washing machine's damper device consisting of the plurality of damper cover, suspension bar, suspension spring, air chamber, air chamber spring and plain washer so as to buffer the vibration and shock from being transmitted to the washing machine body. The plane is detachably installed from the lower end of the suspension bar 202 so that the suspension spring 203, the air chamber 204, the air chamber spring 205 is assembled or disassembled in sequence through the lower portion of the suspension bar 202. As the washer 206, the suspension bar 202 is provided with a locking groove 202a formed concave in the lower outer diameter thereof, and the plain washer 206 is one circumferential surface at the center of the disc body 206a. Cutout portion 206b for cutting into the lateral direction of the catching groove 202a and protruding in the middle of one side of the cutout portion 206b and the catching groove 202a; The damper device of the washing machine, characterized in that a fixing projection (206c) to prevent separation of the coupling coupled (206b). The damper device according to claim 1, wherein the locking groove (202a) and the plain washer (206) are coupled by one-touch fitting. The damper device of the washing machine comprising the plurality of damper covers, suspension bars, suspension springs, air chambers, air chamber springs and plain washers so as to buffer the vibrations and shocks from being transmitted to the washing machine body at the same time as the washing tank is suspended. The damper device according to claim 1, wherein the suspension bar (202) and the plane washer (206) are formed with screw surfaces corresponding to each other to be screwed together. The damper device of claim 1, wherein the locking groove (202a) has a plane formed symmetrically in two directions with respect to an outer diameter of the suspension bar (202). The damper device of claim 1, wherein the locking groove (202a) has a flat surface formed in three directions with respect to the outer diameter of the suspension bar (202).