JPS5834213Y2 - Ogatareizokoni Okeru Front Doorno Kaihei Shijikikou - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a front door opening/closing support mechanism in a large refrigerator.

As is well known, the front door of a large-sized refrigerator can be opened and closed with respect to the refrigerator main body case, and the means for connecting the front door and the refrigerator main body case is generally a combination of a support member and a support pin.

Conventionally, the above-mentioned support materials have been disposed facing each other at fixed positions on the front door side and the refrigerator body case side, and in particular, the support materials have been integrally formed with an uneven shape by casting means.

Naturally, large refrigerators of this type are made heavier for the purpose of insulation, so the support material or support pins on the front door are also worn out by the moment of the door's own weight, especially when the door is opened and closed due to this wear. The opening/closing operation of the front door and the maintenance of the closed state cannot be performed properly due to the metal friction noise and the displacement of the door due to rattling.Also, since the port material is integrally cast, even if wear occurs, it is easy and sufficient to prevent this. There was a problem that it was impossible to deal with.

This idea was made to solve the above problems, and its purpose is to make assembly extremely easy through a simple processing process, and to enable smooth opening and closing of the front door after assembly. The purpose of the present invention is to provide a support mechanism for opening and closing the front door of a large-sized refrigerator, which is capable of adjusting the position of the front door due to wear even after assembly. .

Figure 1 shows a specific example of the upper half of a large refrigerator, where 1 is the refrigerator main case, 1a is the refrigerator compartment, 2 is the front wall, 3 and 3' are the front door, and 4.4' is the sealing material. , 5 is a hinge, 6 is an opening/closing handle, and 7 is a pair of upper and lower opening/closing support mechanisms.

To explain the basic structure in more detail, the front doors 3, 3 are divided into left and right parts, with a fixed rotation side 3 and a free side 3', and both doors 3, 3' are foldably connected with a hinge 5. has been done.

Reference numeral 8 denotes a guide rail installed on the front wall 2 with the left-right direction as the guide direction, and a guide roller 9 facing the free side front door 3' through the earthen wall is movable along the rail 8. ing.

The roller 9 is attached to a T-shaped first sliding body 11 that advances and retreats parallel to the guide rail 8 along a cylindrical sliding receiver 10 that is attached to the earthen wall of the free side front door 3' in the left-right direction.
It is further movable in the cross direction with respect to the first sliding body 11 via the second sliding body 12, and via a follow-up spring 13 interposed between the second sliding body 12 and the first sliding body 11. This enables the front door 3' and the refrigerator main body case 1 to always follow each other within a required range.

Based on the embodiments described above, the opening/closing support mechanism 7 is constructed as shown in the second figure.

That is, a pair of mechanisms 7 are provided at vertically separated locations, and to explain the upper mechanism 7, on the refrigerator main body case 1 (or front door 3) side, both sides are bent and formed from a plate material. Support material 17 with right angle relationship
．． A pair of support members 17 and 17 are arranged vertically and protrude in a removable manner, and opposing pieces 17 a and 17 a formed by the protruding portions of the support members 17 and 17 are parallel to each other at their ends. A pair of support pins 14, 14, which are also curved in a right-angled shape, are arranged on the front door 3 (or refrigerator main case 1) side to face each other with a certain interval vertically. Each opposing piece 14a is formed by the protruding portions of the opposing pieces 14a.
, 14a are vertically overlapped, and both opposing pieces 14a, 14a of the support plate 14.14 are parallel to the opposing pieces 17a, 17a of the support member 17.17, and are arranged vertically, respectively. Each opposing piece 17a of the support member 17 is provided with vertical through holes 17b, 1 which correspond to each other in a concentric relationship, one above the other.
7b are formed respectively, and the through holes 17b are formed in a long hole shape along the protruding direction of the opposing piece 17H, while the support plate 14
A vertical insertion hole 15.15 that is concentric with each other is provided in each of the facing pieces 14a, 14a, and a support member 17.17 and a support plate 14.14 have a through-hole 17b for both pages. , 17b and both insertion holes 15, 15, a bolt-type support pin 21 is attached with a nut so that it can be inserted and removed freely, and on the outer periphery of the support pin 21, there is a space between opposing pieces 17a and 17H. A cylindrical collar 18 with a height adapted to the height, and upper and lower second thrust collars 2
0 and 20 are formed in the insertion hole 15.
, 15, and is provided in each vertical gap between the facing piece 17a and the facing piece 14a, corresponding to the outer periphery of the spacing regulating body, with a saucer-shaped first thrust with a minute amount of free movement gap left in the vertical direction. Collars 19 and 19 are interposed respectively.

Therefore, according to this invention, since the support material 17 and the support plate 14 are all made of right-angled shaped materials, the work itself is extremely efficient because there is no casting process involved in manufacturing them. Furthermore, it is superior to the previous model in terms of material costs, processing costs, etc., and is also advantageous for the user when it comes to replacement.

In addition, in the present invention, the support members 17.17 are of a vertically split type, and in this way, when the hinge body is set in advance and assembled, the support members 17.17 are placed in a state where they can move forward and backward relative to each other, so that the support pins 21 Even if there is some dimensional error in the height h due to the surrounding collars 18, 20, etc., it is assembled to match this height, and in this case, both support members 17, 17 are structured so that they are ultimately in a parallel relationship. Collar side and support material 17.1
7 are completely fixed with no gaps, and since their dimensions do not match, there is no need to replace parts such as collars or perform any modification on them.

At the same time, when the support pin 21 is tightened to a certain torque, the support material 17.17 moves back and forth completely freely, so there is no bending deformation of the support material 17.17 itself compared to the case where both of the support materials 17.17 are integrated, and the support material 17.17 is fully supported. The receiver is held in place by the collar around the pin 21, so that the support members 17, 17 and the central collar are always connected and fixed in a fixed state with a constant torque.

Therefore, one side of the hinge body can be configured without being affected by dimensional errors of each component.

Furthermore, as the support material 17.17 moves back and forth in parallel, both of its mounting surfaces are on the same plane, so there is no risk of the support material being warped against the mounting side and clinging indefinitely.

As a result of the above, a hinge body that is always in a fixed state of fastening is obtained, so there is no fear that the support plate 14. Therefore, when this is provided between the door 3 and the case body 1, the door can be opened and closed while maintaining a more horizontal position.

Therefore, after installation, since the side hinge pieces are originally in a parallel relationship, there is no risk of uneven wear, which slows down the wear rate and improves durability.Moreover, the door can always be opened and closed in a horizontal position. There is no risk of the machine stopping inconveniently or making any abnormal noises.

On the other hand, wear itself usually progresses gradually, and in this case, when replacing only the upper hinge part while leaving the other hinge parts of the door as is, for example, the lower hinge part, the support pin 21 must be removed first. Next, split support material 17
A new hinge can be constructed in an extremely simple and precise manner by removing one of the collars, replacing the worn collar with a new one, then removing the other and replacing the worn collar. If the height changes, the support material 17.17 follows accordingly, so correction can be performed efficiently and accurately.

In this case, even if it is necessary to replace the support material 17 and the support plate 14, it can be done at a very low cost since these are each separate pieces.

Further, since the support material 17 and the support piece 14 are all L-shaped, they can be mass-produced as common materials, which is very advantageous in terms of cost.

As described above, according to the present invention, the opening/closing support mechanism can not only be manufactured at an extremely low cost, but also exhibit its original hinge function more stably and reliably than conventional ones, and furthermore, does not generate any abnormal noise and is highly durable. I was able to make it work.

Furthermore, even if it wears out, it can be replaced easily and is inexpensive, which is advantageous for the user.

[Brief explanation of the drawing]

Figure 1 is a perspective view of the main parts of a refrigerator showing an example of this invention;
The figure is an enlarged longitudinal sectional view showing the opening/closing support mechanism. 1...Refrigerator body case, 3...Front door, 7...Opening/closing support mechanism, 14...
...Support plate, 14a... Opposing piece, 15...
...Insertion hole, 17...Support material, 17
a... Opposing piece, 17b... Through hole, 1
8.20... Spacing regulator (color), 19...
...Color, 21...Support pin.

Claims (1)

[Claims for Utility Model Registration] An opening/closing support mechanism for rotatably attaching a front door 3 to the front surface of a refrigerator body case 1 in a large-sized refrigerator, which includes: A pair of support members 17.17 formed by bending and forming a plate material so that their sides are perpendicular to each other are removably protruded one above the other, and an opposing piece formed by the protruding portions of the support members 17 and 17. 17 a and 17 a are arranged so that their ends are parallel to each other and face each other with a certain interval in the vertical direction, while on the front door 3 or refrigerator main case 1 side, there is also a rectangular curved shape. Each opposing piece 14a is formed by a pair of support plates 14.14 which are vertically arranged and project from each other. 14a are in a vertically overlapping posture, and both opposing pieces 14a, 14a of the support plate 14.14 are
The opposing pieces 17a and 17a of the support material 17.17 are arranged parallel to each other with gaps left above and below, respectively, and the opposing pieces 17H of the support material 17 are provided with spaces above and below each other. Corresponding vertical through holes 17b, 17b are formed in a concentric relationship, and the through holes 17b are shaped like long holes along the protruding direction of the opposing piece 17a, while each opposing piece 14a of the support plate 14, 14a has vertical insertion holes 15.15 that are concentric with each other, and supports 17.17 and support plates 14.14.
, both page through holes 17b, 17b and both page through holes 15,
A bolt-type support pin 21 passing through the inside of the support pin 15 is attached with a nut so as to be freely inserted and removed.
On the outer periphery of 1, there is a cylindrical collar 18, or a spacing regulating body formed with another collar 20, or an insertion hole 1 having a height adapted to the opposing spacing between the opposing pieces 17a, 17a.
A thrust collar 19.19 is provided through the interior of the spacer 5.15, and is provided in each vertical gap between the opposing piece 17a and the opposing piece 14a corresponding to the outer periphery of the spacing regulating body, leaving a small amount of free movement gap in the vertical direction. An opening/closing support mechanism for a front door in a large-sized refrigerator, characterized in that each of the front doors is interposed.