KR20050007848A - Device for mounting handle to door - Google Patents

Abstract

PURPOSE: A mounting device of a door handle for a refrigerator is provided to improve the appearance by restricting the exposure of the assembling structure of the door and the handle, and to prevent displacement of the door handle and scratch from movement of the handle by thread-connecting the handle. CONSTITUTION: A handle mounting device of a door(10) for a refrigerator is composed of an installation groove part opened in the lower part at both sides of a handle(20), and a fixing unit(30) inserted and fixed to the installation groove part to support the handle and combined with the front of the door. The fixing unit comprises a housing inserted and fixed to the installation groove part, a worm wheel turned and supported in the housing and composed of a thread part protruded from the housing, and a worm gear member turned and supported in the housing and engaged with the worm wheel. The thread part of the worm wheel is thread-connected to the front of the door by turning the worm gear member, and a driver groove is formed in the lower part of the worm gear member to fasten the fixing unit to the front of the door firmly by turning the worm gear member with the driver.

Description

Device for mounting handle to door

The present invention relates to a handle of a refrigerator, and more particularly, to a handle mounting apparatus of a refrigerator configured such that a joint assembled with a handle from the outside is not visible.

The door in the refrigerator opens and closes the freezer compartment or the refrigerating compartment inside the refrigerator. And the door is equipped with a handle that the user can use when opening and closing. When such a handle is mounted on the front of the door, if a fastening screw or the like is seen, it is not preferable in appearance. Therefore, it is desirable to design the joint part and the part for fastening so that it is invisible when mounting the handle.

1, a conventional handle mounting structure is shown. As shown, the handle 4 is mounted in front of the front door 2. At the rear of the front door 2, a foam insulation layer is formed between the door liner forming the rear of the door. The bolt 8 is fixed to the door front surface 2 formed of a metal material using the above-mentioned foam insulation layer. And the holder 6 is being fixed to the rear end part 4a of the said handle 4, for example using a screw.

In the state where the head of the bolt 8 is inserted into the hole formed in the holder 6 fixed in this way, the bolt 8 is pulled to one side in the direction of the arrow by pulling the handle 4 to the holder ( It is inserted into another hole formed in 6), and the handle 4 is fixed to the front door 2 in this way.

According to the conventional door mounting structure having such a configuration, it can be seen that the assembly is completed by moving the handle 4 to one side in the assembling process. However, when the rear end portion 4a of the handle is in contact with the door front surface 2 as described above, the door front surface 2 may be scratched even though the door surface 2 is fine, and such scratches may scratch the exterior of the refrigerator. There is a fear that the appearance is lowered by the reliability.

In this way, when the handle 4 is assembled by moving to one side, there is a fear that the handle 4 flows due to long-term use in relation to peripheral components. This flow actually results in a slight movement of the handle 4, which adversely affects the reliability of the product over long periods of use.

The present invention is to solve the problems described above, the main object of the present invention is to provide a handle mounting device of a refrigerator that is seamless in appearance and does not generate flow even in long-term use.

Figure 1 is an exploded perspective view showing a conventional handle mounting apparatus.

Figure 2 is a perspective view of the handle mounting apparatus of the present invention.

3 is a plan view of the handle fixture of the present invention.

Figure 4 is a front view of the handle fixture of the present invention.

Figure 5 is an exemplary perspective view showing a state in which the handle fixture of the present invention is assembled to the handle.

Explanation of symbols on the main parts of the drawings

10 ..... Door 20 .... Handle

30 ..... Fixture 32 ..... Housing

34 ..... Worm gear member 34a ..... Driver groove

36 ..... Worm Wheel 36a ..... Thread

D ..... Driver

According to the present invention for achieving the above object, as a handle mounting apparatus for mounting a handle on the front of the door; A mounting groove portion formed in a shape in which a lower portion thereof is opened on both rear surfaces of the handle; Inserted and fixed to the mounting groove portion to support the handle, it is composed of a fastener fixed to the front of the door.

And fixtures; A housing inserted into and fixed to the mounting groove; A worm wheel rotatably supported inside the housing and having a screw portion protruding to a rear surface of the housing; A worm gear member rotatably supported within the housing and engaged with the worm wheel; By the rotation of the worm gear member, the screw portion of the worm wheel is screwed to the front of the door.

A driver groove is formed on the bottom surface of the worm gear member to rotate the worm gear member with a driver.

And both sides of the housing is formed with a locking projection, the corresponding inner surface of the mounting groove portion is formed with a locking jaw to which the locking projection is elastically fastened, thereby providing a more firm coupling of both.

Next, the present invention will be described in more detail with reference to the embodiments shown in the drawings.

As shown in FIG. 2, according to the present invention, the handle 20 is fastened and fixed to the front surface of the door 10 by using the fastener 30. The fixture 30 will be described with reference to FIGS. 3 and 4.

The fastener 30 includes a housing 32 having a constant outer shape, a worm wheel 36 installed inside the housing, and a worm gear member 34 engaged with the worm wheel 36 inside the housing. have.

The housing 32 constitutes the outer shape of the fixture 30, and is injection molded from a synthetic resin material, for example. Inside the housing 32, the worm wheel 36 and the worm gear member 34 are provided to be rotatable in engagement with each other. The housing 32 is substantially inside the rear end of the handle 20 by being inserted into and fixed (or fastened) to the mounting groove portion 22 (see FIG. 5) formed on the inner surface of the handle 20. It is a part configured to be fixed to. In addition, engaging projections 38a and 38b are formed at both side surfaces of the housing 32. The locking projections 38a and 38b are formed so as to prevent the housing 32 from falling outwardly arbitrarily in a state where the housing 32 is inserted into the mounting groove portion 22 of the handle 20. The mounting groove portion 22 is formed in a shape in which the bottom surface is opened at both ends of the handle 20. Therefore, below the mounting groove portion 22, the fastener 30 can be inserted and fixed.

The worm wheel 36, which is rotatably supported inside the housing 32, includes a threaded portion 36a that protrudes to the rear surface of the housing 32. The screw portion 36a is a portion that is fastened by being screwed to the front side of the refrigerator door to support the fixture 30. The worm gear member 34 having a tooth shape engaged with the worm wheel 36 is rotatably supported in the vertical direction inside the housing 32. Therefore, when the worm gear member 34 is rotated, this rotational force is transmitted to the worm wheel 36, the screw portion (36a) of the worm wheel 36 is rotated. The screw portion 36a is a portion for screwing the fastener 30 according to the present invention to the front surface of the door 10. The screw portion 36a is fastened to the front surface of the metal door 10, and the rear portion thereof. By being supported together with the foam layer, the fastener 30 can support the handle 20.

The driver groove 34a is formed on the bottom surface of the worm gear member 34 by, for example, a cross groove to rotate the worm bearing member 34 using the driver D (see Fig. 5). Is formed.

Next, referring to FIG. 5, the coupling relationship between the fixture 30 and the handle 20 will be described. As shown, mounting grooves 22 into which the fasteners 30 can be fitted are formed on the rear surfaces of both ends of the handle 20. In addition, the mounting groove 22 is formed in the form of the lower opening, while holding the fixture 30 in the lower portion, while moving the handle 20 downward, the fixture 30 in the mounting groove 22 Can be fitted.

When the fixture 30 is fitted to the mounting groove portion 22, its dimensions should be designed so that the fixture 30 does not leave at random. And in the state that the fixture 30 is fitted to the mounting groove portion 22, it is natural that at least the fixture 30 should be designed so as not to be separated in the front and rear direction.

In addition, in the illustrated embodiment, in order to prevent any detachment of the fastener 30, the engaging protrusions 38a and 38b are formed on both sides of the fastener 30. The locking projections 38a and 38b are caught by the locking projections 24 formed on both inner side surfaces of the mounting groove portion 22. In FIG. 5, only the locking jaw 24 for elastically fastening the locking projection 38b on one side is illustrated, but the locking jaw is formed on the left side of the inside of the mounting groove portion 22 to form a housing ( 32) It is comprised so that the locking projection 38a of the left side may be caught.

Next, look at the assembly process of the handle mounting device having the configuration as described above. First, as shown in FIG. 2, the fixture 30 having the above-described configuration is temporarily fixed to the front surface of the door 10. At this time, the screw portion 36a of the worm wheel 36 is screwed to the front of the door 10, in order to prevent scratching of the front of the door 10, between the rear of the fixture 30 and the front of the door There is a small gap between them.

In this way, when the screw portion 36a is supported on the front surface of the door 10, the mounting groove portion 22 formed on the rear surface of the end of the handle 20 is moved while moving the handle 20 from the upper side to the lower side. Allow the fixture 30 to be inserted. And when the fixture 30 is inserted into the mounting groove portion 22, as described above, the engaging projections (38a, 38b) of the fixture 30 is caught by the locking projections 24 of the mounting groove portion 22, respectively. It is elastically fastened and can be fixed. In addition, in the state in which the fixture 30 is inserted into the mounting groove portion 22, it is natural that the support is not supported in the state of moving forward and backward of the door.

In this state, the driver D is coupled to the driver groove 34a formed on the bottom surface of the worm gear member 34, and then rotated in one direction. When the worm gear member 34 is rotated by the driver D, the worm wheel 36 engaged with the worm gear member 34 rotates. By the rotation of the worm wheel 36, the threaded portion 36a is rotated, and by the rotation of the threaded portion 36a, the fixture 30 is substantially screwed in a state of being completely in close contact with the front of the door 10. Could be.

In addition, since the driver groove 34a of the worm gear member 34 is substantially positioned at the bottom of the handle 20, the driver groove 34a will not be exposed to the eyes of the user at all.

According to the present invention as described above, when the handle 20 is mounted on the front of the door 10, it can be seen that any coupling portion (seam) from the outside is configured to not be exposed. By such a configuration, it will be possible to provide a mounting apparatus for the handle 20 having a clean appearance.

Within the scope of the basic technical idea of the present invention as described above, many other modifications are possible to those skilled in the art, and the present invention should be interpreted based on the appended claims. something to do.

According to the present invention as described above, the following effects can be expected.

According to the present invention having the above-described configuration, since no coupling structure (joint or the like) is exposed to the eyes, it becomes possible to provide a mounting apparatus for the handle that is substantially clean in appearance. In addition, as in the prior art, there is also an advantage that there is no fear of scratching the front of the door by the movement of the handle.

And according to the present invention, it can be seen that the handle 20 is fastened by the screwing force of the threaded portion (36a) of the worm wheel. Therefore, it is possible to provide a very strong fastening force compared to the conventional, it is expected that the advantage that the solid support without flow of the handle even in long-term use. In addition, since the handle 20 is fixed by a driver, it is expected that the mounting of the handle can be relatively easy. This is expected to provide an advantage of providing ease of service as well as ease of installation of the handle.

Claims (3)

A handle mounting device for mounting a handle on the front of the door; A mounting groove portion formed in a shape in which a lower portion thereof is opened on both rear surfaces of the handle; Inserted and fixed to the mounting groove portion to support the handle, and is composed of a fastener (30) is fastened and fixed to the front of the door; The fixture 30 is; A housing inserted into and fixed to the mounting groove; A worm wheel (36) rotatably supported inside the housing and having a threaded portion (36a) projecting to the rear surface of the housing; A worm gear member (34) rotatably supported within the housing and engaged with the worm wheel; By the rotation of the worm gear member (34), the handle mounting device of the refrigerator, characterized in that the screw portion of the worm wheel screwed to the front of the door. 2. The handle mounting apparatus of claim 1, wherein a driver groove is formed on a bottom surface of the worm gear member to rotate the worm gear member by a driver. The handle mounting apparatus of claim 1, wherein a locking protrusion is formed on both side surfaces of the housing, and a locking step is formed on the corresponding inner surface of the mounting groove to elastically engage the locking protrusion.