KR19980029481U - Door stopper of washing machine - Google Patents

Abstract

The present invention relates to a door stopper of a washing machine, comprising: a door having a through hole formed at a rear side of a side plate; A first holder mounted to an inner surface of the side plate, having a screw hole formed to correspond to the through hole of the side plate, and having a fitting groove formed on one side thereof; A second holder mounted to an outer surface of the side plate, the second holder corresponding to a through hole of the side plate and having a countersinking hole formed in the screw hole so as to be fastened to the screw hole; The fitting shaft is fitted into the fitting groove of the first holder, the hinge shaft extends to be rotatable about the hinge hole of the upper panel constituting the cabinet at one end of the fitting shaft, and one end of the hinge shaft is in contact with the lower surface of the upper panel. It includes a hinge stopper is formed with a stopper pin to limit the opening and closing angle of the door. Therefore, the opening / closing angle of the door is precisely limited, thereby effectively preventing damage and damage to the door and the control panel, thereby improving reliability of the product. In addition, the number of assembly parts is greatly reduced, thereby improving the assemblability of the product and reducing the production cost of the product.

Description

Door stopper of washing machine

The present invention relates to a washing machine, and more particularly, to a door stopper of a washing machine to precisely regulate the opening and closing angle of the door (door).

In general, a washing machine puts laundry and water in a basket, and an appropriate amount of detergent, and causes a mechanical flow of water to shock the laundry, thereby washing, rinsing, and dehydrating water. Device to perform.

As shown in FIG. 1, as shown in FIG. 1, a tub and a basket Ba are respectively installed in a cabinet Ca, and a motor Mo is disposed at the bottom of the basket Ba. An agitator (Ag) rotated by driving is mounted.

In addition, the door (Do) is installed to open and close the upper portion of the cabinet (Ca), the control panel (control panel: Cp) to set the washing function of the washing machine by the user's operation behind the upper surface of the cabinet (Ca) ) Is mounted.

When the user sets the washing function by operating the control panel Cp, the agitator Ag is rotated by the driving of the motor Mo in the basket Ba, and water flows, thereby automatically washing the laundry. Washed.

However, since the door Do is installed to open and close from the front of the cabinet Ca to the rear, when the door Do is opened and closed, the door Do is hit by the control panel Cp, which may cause damage or damage due to an impact. There was.

That is, the door Do of the washing machine is opened around the rear so that laundry can be easily introduced into the basket Ba, but when the door Do is excessively inadvertently opened by the user, the door Do is opened. It will hit the control panel Cp. As a result, a hook or control panel Cp (not shown) assembled at both rear sides of the door Do is easily broken and damaged, thereby causing a problem in that the reliability of the product is greatly degraded.

Meanwhile, in order to prevent the door Do from colliding with the control panel Cp, the door Do is divided into a front and a rear rear door, but as a result, the number of parts to be assembled increases, thereby assembling the product. In addition to the markedly reduced sex, there was a problem of raising the production cost of the product.

The present invention has been devised to solve the above-mentioned conventional problems, the object of the present invention is to open and close the door naturally and smoothly by a simple mechanical configuration within a certain range of the washing machine to open and close smoothly To provide a door stopper.

A feature of the present invention for achieving the above object is a tub and a basket for washing the laundry in the interior of the cabinet are respectively installed, the side plate in the washing machine is installed to open and close the door at the top of the cabinet, Doors each having a plurality of through-holes formed at the rear thereof; A first holder mounted on an inner surface of the side plate and having a plurality of screw holes formed to correspond to each other with a through hole of the side plate, and having a long fitting groove open at one side thereof; A second holder mounted to an outer surface of the side plate, the second holder corresponding to a through hole of the side plate and having a countersinking hole formed in the screw hole so as to be fastened to the screw hole; The fitting shaft is fitted into the fitting groove of the first holder, the hinge shaft extends to be rotatable about the hinge hole of the upper panel constituting the cabinet at one end of the fitting shaft, and one end of the hinge shaft is in contact with the lower surface of the upper panel. The door stopper of the washing machine includes a hinge stopper having a stopper pin formed such that the opening and closing angle of the door is limited within a predetermined range.

A more preferable feature of the door stopper of the washing machine is that the hinge stopper is equipped with a damper to absorb the shock generated by contacting the lower surface of the upper panel at the end of the stopper pin. The boss of the protective cap is fitted into the hinge hole of the upper panel, and the boss has a hinge hole through which the hinge axis of the hinge stopper is inserted.

1 is a perspective view showing a typical washing machine

Figure 2 is a perspective view showing a door stopper of the washing machine according to the present invention

3 is a cross-sectional view showing a door stopper of the washing machine according to the present invention.

Figure 4 is an operating state diagram showing the door stopper of the washing machine according to the present invention

Explanation of symbols for main parts of the drawings

10; Side plate 11 (of door); Through hole

20; First holder 21; Screw hole

22; Fitting groove 30; 2nd holder

31; Countersinking holes 32; screw

40; Hinge stopper 41; Fitting

42; Hinge shaft 43; Stopper pin

50; Upper panel 51 (of cabinet); Hinge hole

52; Damper 55; Protective cap

Ca; Cabinet Tu; Tub

Ba; Basket Do; Door

Hereinafter, one preferred embodiment of a door stopper of a washing machine according to the present invention will be described in detail with reference to the accompanying drawings.

2 to 4 are views for explaining the door stopper of the washing machine according to the present invention, the basic configuration of the washing machine described in Figure 1 will be described with the same reference numerals.

First, as shown in FIG. 1, the tub Tu and the basket Ba are respectively installed in the cabinet Ca, and the agitator rotated by the driving of the motor Mo at the bottom of the basket Ba. Ag) is mounted.

In addition, the door Do is installed to be opened and closed at an upper portion of the cabinet Ca, and the control panel Cp is mounted on the upper surface of the cabinet Ca so that the function of the washing machine can be set by a user's operation.

Therefore, when the user sets the washing function in a state in which laundry, water, and an appropriate amount of detergent are put in the basket Ba, the agitator Ag is driven by driving the motor Mo in the basket Ba. ) Rotates to cause the water to wash automatically.

As shown in FIGS. 2 and 3, in the door Do, a plurality of through holes 11 are formed at the rear of the side plate 10, respectively, and a first surface is formed on the inner surface of the side plate 10. The first holder 20 is mounted.

A plurality of screw holes 21 are formed on one side of the first holder 20 so as to correspond to the through holes 11 of the side plates 10, respectively, and open downward on one side of the first holder 20. Being fitted groove 22 is formed long. Here, the fitting groove 22 of the first holder 20 is preferably formed in a substantially semicircular cross section.

In addition, a second holder 30 is mounted on an outer surface of the side plate 10, and a plurality of second holders 30 are mounted on one side of the second holder 30 so as to correspond to each other with the through holes 11 of the side plate 10. Countersinking holes 31 are formed, respectively.

A plurality of screws 32 are fastened to the screw holes 21 of the first holder 20 through the countersinking hole 31 of the second holder 30 and the through hole 11 of the side plate 10, Accordingly, the first and second holders 20 and 30 are firmly assembled to the side plate 10 of the door Do, respectively.

The fitting shaft 41 of the hinge stopper 40 is fitted into the fitting groove 22 of the first holder 20, and the hinge stopper 40 is approximately perpendicular to one end of the fitting shaft 41. As a result, a hinge shaft 42 extends, and a stopper pin 43 extends in an approximately perpendicular direction at one end of the hinge shaft 42.

In addition, the hinge shaft 42 of the hinge stopper 40 is inserted through the hinge hole 51 of the upper panel 50 constituting the cabinet Ca of the washing machine, and passes through the stopper pin 43. Is selectively in contact with the lower surface of the upper plate 50 to limit the opening and closing angle of the door (Do) within a certain range.

At the end of the stopper pin 43, a damper 52 is mounted to absorb shocks, and the damper 52 is preferably made of a rubber having excellent elasticity.

On the other hand, a protective cap 55 for protecting the hinge hole 51 is further inserted into the hinge hole 51 of the upper panel 50 so that the hinge hole 57 is located at the center of the protective cap 55. A boss 56 with) is formed.

The boss 56 of the protective cap 55 is fitted into the hinge hole 51 of the upper panel 50, and the hinge shaft of the hinge stopper 40 is fitted into the hinge hole 57 of the protective cap 55. 42) is inserted and passed.

Referring to the assembly state and the operating state of the door stopper of the washing machine according to the present invention as described above are as follows.

As shown in FIG. 3, the boss 56 of the protective cap 55 is inserted into the hinge hole 51 of the upper panel 50 constituting the cabinet Ca, and the hinge hole 57 of the protective cap 55. In order to assemble the hinge stopper 40 so that the hinge shaft 42 of the hinge stopper 40 is positioned.

The first holder 20 is mounted on the inner surface of the side plate 10 while the fitting shaft 41 of the hinge stopper 40 is inserted into the fitting groove 22 of the first holder 20. The second holder 30 is mounted on the outer surface of the plate 10.

In this state, the screw 32 is fastened to the screw hole 21 of the first holder 20 through the countersinking hole 31 of the second holder 30 and the through hole 11 of the side plate 10. In this case, the first and second holders 20 and 30 are firmly assembled to the side plate 10 of the door Do, respectively.

That is, while the first and second holders 20 and 30 are assembled on the inner and outer surfaces of the side plate 10 by the fastening of the screws 32, the door (between the first and second holders 20 and 30) is opened. The side plate 10 of Do) is interposed and assembled.

At this time, the fitting shaft 41 of the hinge stopper 40 fitted in the fitting groove 22 of the first holder 20 is firmly supported on the inner surface of the side plate 10 by fastening the screws 32, 1 The fitting shaft 41 of the hinge stopper 40 is prevented from flowing and escaping from the fitting groove 22 of the holder 20.

As shown in FIG. 4, when the door Do is opened from the upper portion of the cabinet Ca, the hinge shaft 42 of the hinge stopper 40 is connected to the hinge hole 57 of the protective cap 55, that is, the upper panel ( As the rotational movement is generated around the hinge hole 51 of the door 50, the door Do opens naturally and smoothly.

As the door (Do) is opened as described above, the stopper pin (43) of the hinge stopper (40) contacts the lower surface of the upper panel (50). Accordingly, the opening position of the door (Do) is regulated so that the opening and closing angle is within a certain range. Are limited.

At this time, since the damper 52 mounted on the stopper pin 43 of the hinge stopper 40 is in contact with the lower surface of the upper panel 50 to absorb the shock, the noise and shock generated when the door Do is opened. Effectively prevented.

Therefore, the user may inadvertently open the door Do and excessively prevent the phenomenon of hitting the control panel Cp. Thus, the damage and damage of the door Do and the control panel Cp are effectively prevented and the reliability of the product is remarkable. Is improved.

On the other hand, when the door Do is closed, the hinge shaft 42 of the stopper 40 is rotated about the hinge hole 57 of the protective cap 55 by the same operation as described above, the door (Do) Will close naturally and smoothly.

In addition, the present invention is to limit the opening and closing angle of the door (Do) by the operation of the hinge stopper 40 while the first and second holders 20, 30 and the hinge stopper 40 is manufactured in a simple configuration. By performing the function, the number of assembly parts is greatly reduced, which not only improves the assemblability of the product, but also greatly reduces the production cost of the product. In other words, it is possible to produce a single plate-like body without the need to divide the configuration of the door (Do) into the front and rear doors.

On the other hand, the above embodiment is merely to describe one preferred embodiment of the present invention, the scope of application of the present invention is not limited to such, and can be changed appropriately within the scope of the same idea, for example It is widely applicable to opening and closing devices of various doors.

As described above, according to the door stopper of the washing machine according to the present invention, the opening and closing angle of the door is precisely limited by a simple mechanical configuration, which effectively prevents damage and damage to the door and the control panel, thereby significantly improving product reliability. Will be. In addition, the number of assembly parts is greatly reduced, and the assemblability of the product is remarkably improved, and the production cost of the product is greatly reduced.

Claims (3)

In the washing machine is provided with a tub and a basket for washing the laundry in the interior of the cabinet, respectively, the door is opened to open and close the cabinet, A door (Do) each having a plurality of through holes 11 formed at the rear of the side plate 10; A plurality of screw holes 21 are mounted on the inner surface of the side plate 10 and formed to correspond to the through holes 11 of the side plate 10, and the fitting groove 22 is opened downward on one side thereof. A first holder 20 having a long length; It is mounted on the outer surface of the side plate 10, the countersinking hole (1) to correspond to the through hole 11 of the side plate 10 on one side so that the screw 32 can be fastened to the screw hole 21 ( A second holder 30 in which 31 is formed; The fitting shaft 41 is fitted into the fitting groove 22 of the first holder 20, and the hinge hole 51 of the upper panel 50 constituting the cabinet Ca at one end of the fitting shaft 41. The hinge shaft 42 is rotatably formed around the hinge shaft 42, and one end of the hinge shaft 42 is in contact with the lower surface of the upper panel 50 so that the opening and closing angle of the door Do is within a predetermined range. Door stopper of the washing machine, characterized in that it comprises a hinge stopper 40, the stopper pin 43 is formed to be limited. The method of claim 1, The hinge stopper (40) is a door stopper of the washing machine, characterized in that the damper (52) is mounted to absorb the shock generated by contacting the lower surface of the upper panel (50) at the end of the stopper pin (43). The method of claim 1, The boss 56 of the protective cap 55 is fitted into the hinge hole 51 of the upper panel 50, and the boss 56 is inserted through the hinge shaft 42 of the hinge stopper 40. The door stopper of the washing machine characterized by having a hinge hole (57).