KR101639437B1

KR101639437B1 - A structure for assembling door handle of home appliance

Info

Publication number: KR101639437B1
Application number: KR1020090108867A
Authority: KR
Inventors: 전상현
Original assignee: 엘지전자 주식회사
Priority date: 2009-11-12
Filing date: 2009-11-12
Publication date: 2016-07-13
Also published as: CN102061832A; KR20110052012A

Abstract

A door handle assembly structure for a home appliance, the handle assembly including a holder fixed to a door, a handlebar coupled to the holder, and a door handle Providing an assembly structure.

Handlebar, holder, door

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a door handle assembly for a home appliance,

The present invention relates to a door handle assembly structure of a home appliance.

1 is a partial cross-sectional view showing a conventional refrigerator door handle assembly structure.

A holder 3 perpendicularly connected to the front surface of the door 1 and a handle 2 vertically connected to the end of the holder 3 are fixed to the door 1, (S1, S2).

As shown in the drawings, the conventional door handle assembly structure is required to have a fastening member for fastening the holder 3 to the door and fastening members for fastening the handle 2 to the holder 3, respectively. Therefore, the assembly process is complicated, and the number of fastening members for assembly is increased.

In addition, in the case of the conventional door handle assembly structure, the handle 2 is not firmly fixed to the holder 3, so that the handle 2 may be wobbled while being connected to the holder 3.

The present invention provides a door handle assembly structure for a household appliance in which a separate fastening member is not required for fixing a handle to a holder, .

It is another object of the present invention to provide a door handle assembly structure for a home appliance in which a handle is securely fastened without causing a swinging phenomenon in a state where the handle is connected to the holder without a fastening member connecting the handle and the holder.

According to another aspect of the present invention, there is provided a door handle assembly structure for a home appliance, the door handle assembly structure comprising: a holder fixed to a front surface of a door for selectively opening and closing a space for receiving an article; A handle bar coupled to an end of the holder and having an interior hollow cavity; A handle fastening end formed at an end of the holder and inserted into the handle bar for engaging the holder and the handle bar; A cutout portion formed by a part of the end portion of the handle bar and guiding insertion of the holder when the handle fastening end is inserted into the handle bar; And a stepped portion formed at an end of the holder on which the handle fastening end is formed and in which both side surfaces of the cut-out portion are contacted and supported, wherein the handle fastening end includes a plurality of projecting portions, A plurality of fixing protrusions are formed on the inner circumferential surface of the handle bar so as to be in contact with one side surface of the plurality of protrusions and spaced apart from the other protrusions, , The plurality of protrusions cross each other in a cross shape between both round ends of the handle bar at positions facing each other, and support the rounded inner side surfaces of the handle bars positioned in the diagonal direction.

According to the door handle assembly structure of the home appliance according to the embodiment of the present invention, the following effects can be obtained.

First, no separate fastening member for securing the handle to the holder is required. That is, a separate fastening member such as a screw is not required by the fitting and fitting method of the handle and the holder. Therefore, the assembly process is simple and the assembly time is advantageously reduced.

Further, since a structure such as a groove or a hole for inserting the fastening member does not need to be separately formed in the handle, the mold structure for manufacturing the handle can be simplified.

Secondly, there is an advantage that the handle does not swing in the left-right direction when the handle is assembled to the holder.

That is, the pair of holders are raised or lowered in the center direction from the end of the handle to be inserted into the seat groove formed in the handle, and the cut end of the seat groove is firmly fitted into the step or grooves formed in the holder. Therefore, when the handle is once coupled to the holder, a clearance is not generated, so that there is no shaking phenomenon.

Hereinafter, a door handle assembly structure of a home appliance according to an embodiment of the present invention will be described in detail with reference to the drawings. It is to be noted that the door handle structure of the refrigerator has been selected as a typical application example of home appliance to describe the idea of the present invention. Therefore, it is clear that the idea of the present invention can be applied to both home appliances including a refrigerator and a door and a handle structure. For example, the door handle assembly structure of the present invention may be applied to a wine cellar, a microwave oven, an oven, etc. in addition to a refrigerator.

2 is a front perspective view of a refrigerator to which a door handle assembly structure according to an embodiment of the present invention is applied.

2, the refrigerator 10 includes a main body 11 having a storage space therein, a door 12 for selectively shielding a front opening of the main body, As shown in Fig.

In this embodiment, the handle 20 is assembled so as to extend in the vertical direction, but may be horizontally coupled to the left and right depending on the product.

FIG. 3 is a perspective view showing a handle assembly according to an embodiment of the present invention, and FIG. 4 is an external perspective view of a handle bar constituting a handle assembly.

3 and 4, the handle assembly according to the embodiment of the present invention includes a handle bar 21 gripped by a user and a handle bar 21 extending in a direction intersecting the handle bar 21 at both ends of the handle bar 21 And a holder 22 coupled thereto. One end of the holder 22 is fixed to the door 12 and the other end is coupled to the handle bar 21. [

In detail, a cut-out portion 211 for holding the holder is formed at both ends of the handle bar 21 in a predetermined length. The lower end of the incision 211 becomes a seating end 214 on which the holder 22 is seated. With the above configuration, the holder 22 is slidably inserted into both ends of the handle bar 21 in the direction of the center of the handle bar 21.

Hereinafter, the shape and the coupling method of the holder 22 will be described in detail with reference to the drawings.

FIG. 5 is an external perspective view of the holder according to the first embodiment of the present invention, FIG. 6 is a side view of the holder according to the first embodiment, taken along the line I-I ' Sectional view.

The holder 22 shown in FIG. 5 is a holder coupled to the lower end of the handle bar 21, and another holder having a shape symmetrical to the up and down direction is coupled to the upper end of the handle bar 21.

More specifically, one end of the holder 22 is a door coupling end 221 coupled to the front of the door, and the other end is a handle coupling end 222 fitted to the handle bar 21. A rounded portion 223 curved at a predetermined curvature is formed at a point extending from the door coupling end 221. The handle coupling end 222 is formed at an end of the round portion 223 do.

More specifically, the handle fastening end 222 includes a protruding portion 225 projecting in a cross shape and a cover portion 228 formed at the lower end of the protruding portion 225. Here, in the case of the holder coupled to the upper end of the handle bar 21, the cover portion 228 is formed at the upper end of the protrusion 225. The handle 225 is inserted into the handle bar 21 by a length corresponding to the length of the protrusion 225. The protruding portion 225 has a hollow portion therein and the side surface portion of the protruding portion 225 is in close contact with the inner peripheral surface of the handle bar 21. In this embodiment, the three projecting portions 225 side surfaces will be in close contact with the inner circumferential surface of the handle bar 21. The side surface of the protrusion 225 which is in close contact with the inner circumferential surface of the handle bar 21 is referred to as a contact surface 226.

A locking rib 224 and a shoulder 227 are formed in a region where the end of the round portion 223 and the handle coupling end 222 meet, So as not to be shaken.

6, when the handle fastening end 222 is inserted into the handle bar 21, the cut portion 211 of the handle bar 21 is brought into contact with the step portion 227 of the handle bar 21 as shown in FIG. In other words, the lower surface of the round portion 223 of the holder 22 is seated on the seating end 214 of the handle bar 21, and both side walls constituting the cutout portion 211 are fixed to the stepped portion 227 . Therefore, when the handle bar 21 is coupled to the holder 22, the handle bar 21 is prevented from being shaken by the step portion 227. The handle bar 21 is firmly coupled to the holder 22 without a separate screw member by the engagement of the step 227 and the cutout 211. In other words, when the door fastening end 221 of the holder 222 is coupled to the front of the door in a state where the pair of holders 22 are respectively fitted to the upper and lower ends of the handle bar 21, 21) are not separated and there is no shaking.

The handle bar 21 has a hollow bar shape and a plurality of fixing protrusions 213 are formed on an inner circumferential surface of the handle bar 21 to support the protrusions 225. The fixing protrusion 213 may extend vertically at least to a length corresponding to the length of the protrusion 225. The fixing protrusion 213 is closely attached to the side surface of the protrusion 225 by fitting the protrusion 225 between the fixing protrusions 213. Therefore, when the holder 22 is coupled to the handle bar 21, the handle bar 21 is prevented from being shaken.

FIG. 7 is a perspective view of a holder according to a second embodiment of the present invention, and FIG. 8 is a horizontal sectional view taken along line I-I 'of FIG. 3, showing the holder according to the second embodiment coupled to the handlebar .

7, the holder 32 according to the second embodiment of the present invention includes a door fastening end 321 and a handle fastening end 322, and a round portion is formed on the handle fastening end 322 side This is the same as the first embodiment. The illustrated holder 32 is a holder structure that is coupled to the lower end of the handle bar as in the first embodiment.

The handle fastening end 322 according to the present embodiment includes a hollow cylindrical sleeve 323, a plurality of ribs 324 arranged on the outer peripheral surface of the sleeve 323, And a cover portion 328 formed on the cover 322. [ The sleeve 323 has a cylindrical shape and an elliptical shape, and has the same shape as the inner shape of the handle bar 21. The rib 324 extends in the vertical direction with a length corresponding to the length of the sleeve 323 and has a gap portion at a predetermined interval from the adjacent ribs. A step portion 327 is formed at an end of the round portion so that the cut portion 211 of the handle bar 21 is closely contacted to prevent the handle bar 21 from swinging.

8, the side portions of the plurality of ribs 324 are in close contact with the inner circumferential surface of the handle bar 21 so that the handle fastening end 322 is inserted into the handle bar 21, . The side surface of the cutout portion of the handle bar 21 is caught by the step portion 327. Although the inner circumferential surface of the handle bar 21 is shown as a smooth surface in the figure, it is also possible to protrude from the inner circumferential surface of the handle bar 21 according to a design method, will be. That is, a plurality of ribs of the same shape as the ribs 324 are protruded on the inner circumferential surface of the handle bar 21, so that the ribs 324 can be engaged with the ribs 324 in a form similar to gear engagement. Then, the effect of preventing the handle bar 21 from being shaken can be ensured more reliably.

FIG. 9 is a perspective view of a holder according to a third embodiment of the present invention, and FIG. 10 is a horizontal sectional view taken along line I-I 'of FIG. 3, illustrating a holder according to a third embodiment coupled to a handle bar .

9, the holder 42 according to the third embodiment of the present invention has a door fastening end 421 and a handle fastening end 422, and a round portion is formed on the handle fastening end 422 side This is the same as the first embodiment. The illustrated holder 42 is a holder structure that is coupled to the lower end of the handlebar as in the first embodiment.

In the holder 42 shown in this embodiment, an intersecting rib 421 is formed so as to protrude in a cross shape at the end of the round portion. A cover portion 428 is formed at the lower end of the intersecting rib 421 to shield the end portion of the handle bar 21 in the same manner as in the previous embodiment.

The cross ribs 421 extend in the length corresponding to the width of the holder 42 and the ends of the cross ribs 421 are in close contact with the inner circumferential surface of the handle bar 21. The ends of the intersecting ribs 421 that are in close contact with the inner circumferential surface of the handle bar 21 are defined as contact surfaces 422.

In addition, engagement grooves 423 are formed at both ends of the round portion so that the cutout portions 211 of the handle bar 21 are inserted. That is, the latching groove 423 is formed to prevent the handle bar 21 from shaking and horizontally detaching. This coupling structure is shown in detail in FIG.

As shown in FIG. 10, the ends of the intersecting ribs 421 closely contact the inner circumferential surface of the handle bar 21 to prevent the handle bar 21 from rotating about its longitudinal axis. By inserting the cutout portion of the handle bar 21 into the engagement groove 423, the removal of the handle bar 21 in the horizontal direction is prevented.

Of course, in this embodiment as well, as in the first embodiment, a plurality of protrusions may be formed on the inner circumferential surface of the handle bar 21 so as to be closely attached to the side portions of the intersecting ribs 421. Thus, the effect of preventing the handle bar 21 from rotating about the vertical axis can be increased.

A handle assembly procedure according to the above-described embodiments will be described. First, a pair of symmetrical holders 22, 32, and 42 are positioned at the upper and lower ends of the handle bar 21, respectively. Then, the respective holders are fitted to the handle bar (21). That is, the upper side holder is moved downward and the lower side holder is moved upward so that the round portion of the holder is inserted into the cut portion of the handle bar 21. Then, the door fastening ends of the holders (22, 32, 42) are fixed to the door. Here, a fastening member such as a screw may be used to fix the holder to the door. Then, the handle bar 21 is fixed by the holder at a position apart from the front surface of the door.

1 is a partial cross-sectional view showing a conventional refrigerator door handle assembly structure;

3 is a perspective view illustrating a handle assembly according to an embodiment of the present invention.

4 is an external perspective view of a handle bar constituting a handle assembly;

5 is an external perspective view of a holder according to a first embodiment of the present invention;

FIG. 6 is a horizontal sectional view taken along line I-I 'of FIG. 3, illustrating a state where the holder according to the first embodiment is inserted into the handlebar;

7 is a perspective view of a holder according to a second embodiment of the present invention;

8 is a horizontal cross-sectional view taken along line I-I 'of FIG. 3, showing the holder according to the second embodiment coupled to the handlebar;

9 is a perspective view of a holder according to a third embodiment of the present invention;

10 is a horizontal sectional view taken along line I-I 'of FIG. 3, showing the holder according to the third embodiment coupled to the handlebar;

Claims

A holder fixed to a front surface of a door for selectively opening and closing a space for accommodating the article;

A handle bar coupled to an end of the holder and having an interior hollow cavity;

A handle fastening end formed at an end of the holder and inserted into the handle bar for engaging the holder and the handle bar;

A cutout portion formed by a part of the end portion of the handle bar and guiding insertion of the holder when the handle fastening end is inserted into the handle bar;

And a step portion formed at an end of the holder on which the handle fastening end is formed and in which both side surfaces of the cut portion are contacted and supported,

A plurality of projecting portions are formed at the handle fastening end, the projecting portions being in contact with the inner peripheral surface of the handle bar,

Wherein a plurality of fixing protrusions are formed on an inner circumferential surface of the handle bar so as to be in contact with one side surface of the plurality of protrusions and spaced apart from the other protrusions,

Wherein the handle bar is formed into a slot shape whose both ends are rounded in cross-

Wherein the plurality of protrusions cross each other in a cross shape between both ends of the round bar of the handle bar at positions facing each other and each support the rounded inner side face of the handle bar positioned in the diagonal direction Door handle assembly structure.

The method according to claim 1,

A space is formed between the plurality of projections,

The handle-

Further comprising a cover formed on an upper side or a lower side of the protrusion to cover a space between the plurality of protrusions.

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