KR20010000995A - Supporting apparatus for washing machine - Google Patents

Abstract

PURPOSE: A supporter for a washing machine is provided to easily adjust the height of a washing machine body without lifting the body. CONSTITUTION: To adjust the height of a washing machine body, a handle(33b) of a rack bar(33) in the lower portion of the body is pulled forward to be exposed. The handle is rotated to engage a gear unit(33a) of the rack bar with a pinion gear(32). In this state, the rack bar is pulled or pushed and the pinion gear is rotated, and then a height adjusting bolt(31) is lifted to adjust the height of the body.

Description

Supporting device for washing machine {SUPPORTING APPARATUS FOR WASHING MACHINE}

The present invention relates to a support device for a washing machine, and more particularly, to a support device for a washing machine that supports the main body spaced apart from the ground, and is easy to adjust the height and level of the main body.

In general, the washing machine is a device for washing by using the friction and the impact generated between the laundry, the washing water, the rotating tub by putting the washing water and the laundry together in the rotating tub and stirring them.

The washing machine requires a horizontal adjustment of the main body to smoothly operate the device and reduce operating noise because the rotating tub or pulsator rotates at a high speed in the process of washing, rinsing, and dehydrating. do. In addition, the washing machine is frequently supplied and drained during the washing process, and is usually installed in a humid place, so that the main body can be separated from the ground to protect the device. In order to satisfy these conditions, the bottom plate of a general washing machine is provided with a support device that enables horizontal adjustment of the main body while supporting the main body spaced apart from the ground.

Referring to Figure 1, the support device for a conventional washing machine is fastened to the height adjustment bolt (3) consisting of a male screw outer peripheral surface to the screw hole (2) formed in the bottom plate (1) of the body, the lower end of the height adjustment bolt (3) Is coupled to the support 4 provided with a rubber material to increase the ground friction. This conventional support device is capable of height adjustment by the user holding the washing machine body when adjusting the height and horizontality of the washing machine, by tightening or releasing the support 4 exposed to the bottom of the bottom plate 1 by hand.

However, since the conventional support device for a washing machine configured as described above has to rotate the height adjusting bolt 3 in a state in which the main body is lifted up when the height is adjusted, not only the worker is forced but also the horizontal level is selected only after repeating these operations several times. Because adjustment is possible, leveling work was difficult and cumbersome problem.

The present invention is to solve such a problem, it is an object of the present invention to provide a support device for a washing machine to facilitate the horizontal adjustment work by enabling the height adjustment of the body without lifting the body of the washing machine.

1 is a cross-sectional view showing the structure of a support device for a conventional washing machine.

2 is a cross-sectional view showing the overall configuration of a washing machine to which the present invention is applied.

3 is a cross-sectional view showing the structure of a support device for a washing machine according to the present invention.

Figure 4 is a cut-away perspective view showing the structure of the support device for a washing machine according to the present invention, showing a state in which the rack bar and the pinion gear is engaged.

Figure 5 is a cut-away perspective view showing the structure of the support device for a washing machine according to the present invention, showing a state in which the rack bar and the pinion gear is disengaged.

6 is a cross-sectional view taken along the line VI-VI 'of FIG. 3.

7 is a perspective view showing a state of use of the support device for a washing machine according to the present invention.

Explanation of symbols on the main parts of the drawings

10: main body, 20: bottom plate,

30: support device, 31: leveling bolt,

31a: ground portion, 31b: anti-rotation surface,

32: pinion gear, 33: rack bar,

40: support bracket, 41: top plate,

42: bottom plate, 44,45: supporter,

46: support surface, 47: gear support,

49: coupling hole, 50: fixing screw.

The support device for a washing machine according to the present invention for achieving the above object is a support device for a washing machine attached to the bottom plate of the main body to support the main body and to allow height adjustment, wherein the support device is A lifting member which supports the main body at a lower portion and is installed to be capable of lifting and lowering the main body, a rotating member rotating in conjunction with the lifting member, a horizontal moving member horizontally reciprocating in conjunction with the rotating member, and a reciprocating motion of the horizontal moving member. Means for converting the rotational motion of the pivoting member, and means for converting the rotational motion of the pivoting member into the lifting motion of the lifting member.

In this case, the means for converting the rotational movement of the rotating member to the lifting movement of the elevating member is composed of a male screw portion formed on the outer surface of the elevating member and a female screw portion formed on the rotating member to be fastened to the male screw portion, the horizontal movement member The means for converting the reciprocating motion of the rotating member into the rotational movement of the rotating member is formed of a gear portion provided in the longitudinal direction on the outer surface of the horizontal member to be engaged with the gear portion formed on the outer peripheral surface of the rotating member.

In addition, the bottom plate of the main body is provided with a support bracket for supporting the elevating member, the rotating member, the horizontal movement member, the support bracket is fixed to the bottom plate of the main body and the top plate for supporting the upper surface of the rotating member, It is provided in the lower portion spaced apart from the upper plate to support the lower surface of the rotating member and both ends are bent upwardly extending to the lower plate connected to the upper plate, and vertically penetrating the upper plate and the lower plate so that the lifting member is fitted Includes support holes.

In addition, the horizontal movement member is rotatably installed in one side of the space between the upper plate and the lower plate so as to contact with the outer peripheral portion of the rotating member in the forward and rearward direction so that when the horizontal movement member is rotated mutually engaged or disengaged. One end of the horizontal movement member is provided with a handle for moving or rotating back and forth.

In addition, the outer surface of the elevating member is provided with one or more anti-rotation surface made of a plane to prevent the rotation of the elevating member when the rotating member is rotated, the support hole is formed with a support surface corresponding to the anti-rotation surface .

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

In the washing machine to which the present invention is applied, as shown in FIG. 2, a cylindrical water tank 11 having an open top surface is installed so that washing water can be filled in the body case 10, and inside the water tank 11. In addition, the upper surface is provided in a cylindrical shape and is provided with a rotating tub 12 rotatably installed. At this time, the water tank 11 is supported in a state where the lower side of the outer surface is hung by the suspension device 13 which is hung on the inner upper portion of the main body case 10.

In addition, the inner bottom of the rotating tank 12 is provided with a pulsator 14 to form a washing water flow in the forward and reverse rotation, the rotary tank 12 and the pulsator 14 on the outside of the lower surface of the water tank 11 A driving device for rotating the is provided. The drive device includes a drive motor 15 for receiving rotational power and generating rotational power, and a clutch for transmitting the rotational force of the drive motor 15 to the pulsator 14 and the rotating tank 12 simultaneously or selectively. 16 and a belt 17 connected between the drive motor 15 and the clutch 16 to mediate power transmission.

In addition, such a washing machine is provided with a water supply device 18 composed of a water supply pipe 18a, a water supply valve 18b, and the like so as to supply washing water to the inside of the water tank 11, and the water tank 11 is provided. ), A drainage device 19 composed of a drain pipe 19a, a drain valve 19b, and the like is installed at the lower portion of the water tank 11 so as to discharge the washing water filled in the outside.

And, the bottom plate 20 of the main body 10 is provided with a support device 30 to enable the height and horizontal adjustment, while allowing the washing machine configured in this way to be supported in a state spaced from the ground, the present invention Support device 30 is to allow the user to easily adjust the height without lifting the body (10). Hereinafter, the configuration of the support device 30 will be described in detail.

As shown in FIGS. 3 and 4, the support device 30 according to the present invention is installed to be elevated on the bottom plate 20 of the main body 10, and a ground portion 31a is provided at the lower end thereof in contact with the ground. Horizontal adjustment bolt 31, the gear portion (32a) is formed on the outer circumferential surface and the female screw portion is formed in the center of the gear is engaged with the pinion gear 32 and the pinion gear 32 is fastened to the horizontal adjustment bolt (31) A rack bar 33 having a portion 33a formed therein, and a support bracket 40 for supporting the pinion gear 32 and the rack bar 33 and being fixed to the bottom plate 20 of the main body 10.

The support bracket 40 supporting the pinion gear 32 and the rack bar 33 has an upper plate 41 having an upper surface fixed to the bottom plate 20 of the main body, and a lower plate spaced apart from the upper plate 41 by a predetermined distance. It consists of 42, the both ends of the lower plate 42 is bent upwardly connected to the upper plate 41. At this time, the pinion gear 32 and the rack bar 33 are installed in the space portion 43 formed between the upper plate 41 and the lower plate 42 so that rotation or linear reciprocating motion is supported.

In this case, the support bracket 40 supports the horizontal adjustment bolt 31 on the upper plate 41 and the lower plate 42 so that the horizontal adjustment bolt 31 can be vertically elevated by penetrating the upper plate 41 and the lower plate 42. Support holes 44 and 45 are formed. And the pinion gear 32 is fastened to the horizontal adjustment bolt 31 while being fitted in the space portion 43 between the upper plate 41 and the lower plate 42. That is, the pinion gear 32 is fastened to the male threaded portion formed on the outer surface of the horizontal adjustment bolt 31, the female screw portion 32b formed in the center, the horizontal adjustment bolt 31 is formed on the upper plate 41 and the lower plate 42 It is supported by the support holes 44 and 45 so that it can be elevated. This configuration is to allow height adjustment is possible by the horizontal adjustment bolt 31 is fastened to the pinion gear 32 when the pinion gear 32 is rotated.

Since the horizontal adjustment bolt 31 should not rotate when the pinion gear 32 is rotated in order for the horizontal adjustment bolt 31 to be elevated, the horizontal hole between the support holes 44 and 45 and the horizontal adjustment bolt 31 is horizontal. The rotation preventing means for preventing the rotation of the adjustment bolt 31 is provided. As shown in FIG. 6, the anti-rotation means includes an anti-rotation surface 31 b formed long on both sides of the horizontal adjustment bolt 31 and a support hole 44 to correspond to the anti-rotation surface 31 b. 45 is formed on the support surface 46.

That is, the horizontal adjustment bolt 31 is raised and lowered only while the rotation is prevented by the anti-rotation surface 31b and the support surface 46 constituted as a plane. In addition, the upper and lower surfaces of the pinion gear 32 are respectively disposed on the inner surfaces of the upper plate 41 and the lower plate 42 having the support holes 44 and 45 to prevent the upper and lower flows of the pinion gear 32 and smoothly rotate. Protruding gear support 47 is provided.

On the other hand, the rack bar 33 is engaged with the pinion gear 32 is installed to be able to slide back and forth on one side of the space portion 43 between the upper plate 41 and the lower plate 42 of the support bracket 40. The rack bar 33 is formed with a gear part 33a protruding from a rod-shaped rod, and the pinion gear 32 can rotate when the gear part 33a is moved back and forth in a state of being engaged with the pinion gear 32. It is configured to be.

In addition, the rack bar 33 is installed to be rotatable so as to be engaged with the pinion gear 32 or disengaged as well as moving in the front-rear direction. That is, as shown in FIG. 5, when the rack bar 33 is rotated, the gear part 33a is rotated upward and the engagement is released. At this time, since the pinion gear 32 is not rotated, the rack bar 33 can be pushed in or pulled out regardless of height adjustment. In order for the operation of the rack bar 33 to be smoothly performed, the gear part 33a of the rack bar 33 should be provided in a protruding structure, and the cross section of the rack bar 33 should be provided in a round rod shape. It is preferable that the rack support 48 of the bracket 40 also has a round inner curved surface.

In addition, one end of the rack bar 33 extending to the front of the washing machine body 10 is formed with a handle 33b bent so that the user can push or pull the rack bar 33, and also rotate. In the drawings, reference numeral 49 is a coupling hole for fixing the support bracket 40 to the bottom plate 20 of the main body 10, 50 is a fixing screw fastened to the coupling hole 49, and 21 is a support device. When the coupling is a bolt entry hole formed in the bottom plate 20 so that the horizontal adjustment bolt 31 can enter the inside of the bottom plate (20).

Next will be described the operation of the support device for a washing machine according to the present invention configured as described above.

When the user adjusts the height of the main body 10, first, as shown in FIGS. 5 and 7, the handle 33b of the rack bar located under the main body 10 is pulled forward to expose the outside. At this time, the handle 33b is rotated upward to maintain the state in which the gear portion 33a of the rack bar 33 and the pinion gear 32 are released to prevent the pinion gear 32 from rotating. That is, the rack bar 33 can be pulled out free.

When the handle 33b is exposed to the outside, as shown in FIG. 4, the gear 33b of the rack bar 33 engages with the pinion gear 32 by rotating the handle 33b. In this state, when the rack bar 33 is pulled forward or pushed backward, the pinion gear 32 is rotated, and the height adjusting bolt 31 is lifted when the pinion gear 32 is rotated to raise the height of the main body 10. Is adjusted. That is, the user can rotate the pinion gear 32 in the desired direction, thereby allowing free height adjustment.

At this time, the pinion gear 32 is supported by the gear support part 47 formed on the upper plate 41 and the lower plate 42 of the support bracket 40, so that only the rotation is prevented, and the horizontal adjustment bolt 31 is supported. Since only the elevating in the state is prevented rotation by the surface 46 and the anti-rotation surface 31b, the rotational movement of the pinion gear 32 is converted into a vertical reciprocating movement of the horizontal adjustment bolt (31).

When the height and horizontal adjustment of the main body 10 is completed through this method, the handle 33b of the rack bar 33 is rotated upwards, so that the gears 33a and the pinion gear 32 of the rack bar 33 are rotated upward. When the engagement is terminated and the rack bar 33 is pushed back to the lower part of the main body 10, the rack bar 33 is not exposed to the outside.

As described in detail above, the support device for a washing machine according to the present invention, because the height of the horizontal adjustment bolt is changed by pulling or pushing the rack bar forward while the ground portion of the horizontal adjustment bolt is in contact with the ground, without lifting the body There is also an advantage that can easily make the height and leveling work of the body. In addition, through the rotation of the rack bar, the gear and pinion gear of the rack bar is freely engaged and separated there is an advantage that it is easy to draw out or push the rack bar.

Claims (7)

In the support device for a washing machine attached to the bottom plate of the main body to support the main body and at the same time adjust height The support device supports the main body at a lower portion of the main body and is provided with an elevating member installed to be elevated relative to the main body, a rotating member rotating in conjunction with the elevating member, a horizontal moving member horizontally reciprocating with the rotating member, And a means for converting the reciprocating motion of the horizontal member into a rotational motion of the pivot member, and a means for converting the rotational motion of the pivot member into a lifting motion of the lifting member. The method of claim 1, Means for converting the rotational movement of the rotating member to the lifting movement of the elevating member includes a male screw portion formed on the outer surface of the elevating member and a female screw portion formed on the rotating member to be fastened to the male screw portion The method of claim 1, Means for converting the reciprocating motion of the horizontal member to the rotational movement of the rotating member is provided in the longitudinal direction on the outer surface of the horizontal member to be geared to the gear portion formed on the outer peripheral surface of the rotating member, the gear portion of the rotating member A support device for a washing machine comprising a gear part. The method of claim 1, The bottom plate of the main body is provided with a support bracket for receiving and supporting the rotating member to allow the rotation of the rotating member to prevent lifting, the support bracket is fixed to the bottom plate of the main body, and the top plate and It is provided in the lower portion spaced apart from the upper plate and a predetermined distance so as to form a space for accommodating the rotation member between the lower end connected to the upper plate and bent in the upper direction and the upper and lower plates so that the lifting member is fitted A support device for a washing machine comprising a vertically pierced support hole. The method of claim 4, wherein A male screw is formed on an outer surface of the elevating member, and a female screw is formed at the center of the rotating member so as to be engaged with the male screw of the elevating member, and the outer surface of the elevating member is prevented when the rotating member is rotated. It is provided with at least one anti-rotation surface consisting of a plane, the support hole is a support device for a washing machine formed with a support surface corresponding to the anti-rotation surface. The method of claim 4, wherein The horizontal member is rotatably installed in one side of the space between the upper plate and the lower plate so as to contact the outer peripheral portion of the rotating member and the sliding movement in the front and rear directions, the rotating member is formed on the outer circumferential surface, the horizontal The moving member has a gear portion formed in the longitudinal direction on the outer surface to be meshed with the gear portion of the rotating member, so that the mutually engaged or disengaged with each other in accordance with the rotation of the horizontal movement member. The method of claim 6, The horizontal movement member is a support unit for a washing machine, characterized in that the gear is formed to protrude on the outer surface, the handle is provided to move or rotate forward and backward at one end thereof.