KR200155848Y1 - Refrigerator middle hinge shaft and door structure - Google Patents

Abstract

The present invention relates to a mounting structure of the shaft of the intermediate hinge and the refrigerating chamber door having a mounting bracket having a fixing hole formed in the isolation unit that separates the freezer compartment and the refrigerating compartment of the refrigerator, and the lower side of the shaft 10 ( 11, the bolt portion 15 is formed and the bush 22 is inserted into the upper cap 21 of the refrigerating chamber door 20, and is formed on the upper surface of the bush 22 and the fixing hole of the intermediate hinge ( In the groove 24 formed downward from the opening 23 communicating with 4), a tab portion 25 corresponding to the bolt portion 15 of the shaft 10 is formed, and the shaft 10 is formed with the bush ( It is configured to be bolted to 22, the bolt portion 15 of the lower portion 11 of the shaft 10 is fastening portion 14 of the shaft 10 is the fixing hole 4 of the hinge (1) It is fastened to the tab portion 25 of the bush 22 at the same time, it is characterized in that the shaft and when mounting the door to the refrigerator body There is no gap between the bushes and the tight fastening is maintained to prevent sagging of the refrigerator door.

Description

Mounting structure of shaft and door of intermediate hinge for refrigerator

The present invention relates to a shaft (shaft) and the door mounting structure of the intermediate hinge for the refrigerator, more specifically to form a spiral in the shaft to prevent the sag of the door and a tab corresponding to the spiral in the upper cap of the door Inserting the bush is formed by fixing the shaft and the door in a bolted fastening method to provide a stronger fixing force between each other to prevent the sagging of the door of the refrigerator hinge shaft and the door mounting structure.

In general, most homes are equipped with a refrigerator, and most of these refrigerators have a freezer compartment and a refrigerating compartment divided into upper and lower arrangements.

In addition, as the standard of living has improved and food and beverages have become more abundant, the capacity of refrigerators has become larger, and the volume of each of the freezer compartment and the refrigerator compartment has increased according to this trend, and the freezer door and the refrigerator compartment door have also increased in proportion. have.

Furthermore, in order to use each door more efficiently, a plurality of pockets are provided inside each door in a stacked form so that food and beverages such as beverages, cans, or eggs may be stored and stored in such a pocket.

Accordingly, the weight of each door becomes excessive and accordingly, in the case of a large refrigerator, a hinge is provided separately from the main body and the shaft, unlike the small refrigerator, so that the refrigerator compartment doors as shown in FIG. 1 and FIG. (RD) and freezer compartment door (FD) are rotatably mounted.

That is, the main body 2 of the hinge 1 is bolted to one side and the side of the main body B of the main body B of the refrigerator from which the refrigerating chamber RR and the freezing chamber FR of the refrigerator are separated.

In addition, in place of the main body 2, a bracket 3 protruding forward is formed, a fixing hole 4 is formed in the bracket 3, and a spiral is formed in the fixing hole 4.

In addition, a shaft 5 is inserted into the fixing hole 4, and a freezing chamber door FD is rotatably mounted on an upper side 5a of the shaft 5, and a refrigerating chamber door is mounted on the lower side 5b. RD) is rotatably mounted.

In position of the shaft (5). That is, a stopper 6 is formed at the boundary between the upper piece 5a and the lower piece 5b, and the stopper 6 has a fastening portion 7 formed below the stopper 6 to the hinge 1. When the bolt is fixed to the fixing hole (4) formed in the bracket (3) of limiting the maximum fixing range, as well as the stopper 6 itself in close contact with the bracket (3) to be firmly fixed and maintained.

Reference numeral 8 is a fastening piece for fixing the refrigerator door when the refrigerator compartment door (RD) is locked.

However, when the freezer door and the refrigerating chamber door are mounted on the main body of the refrigerator by using the intermediate hinge, the refrigerating chamber door RD, which opens and closes most frequently even though the freezer door RD is overloaded, or overloads the refrigerating chamber door. If heavy is applied, the door RD may be excessively sag. When excessive deflection of the door occurs, a gap or gap is generated between the gasket of the refrigerator compartment door (RD), which is not shown, and the periphery of the refrigerating chamber of the main body, thereby causing external air to enter or leaking internal air, thereby increasing the temperature inside the refrigerating chamber. Not only did not receive refrigeration performance, but also wasted power.

The reason for this is that the lower piece 5b of the shaft 5 which is bolted to the hinge 1 and the upper cap C of the refrigerator compartment door RD are substantially bolted to the hinge 1 when the hinge 1 and the refrigerator compartment door RD are mounted. It appears that there is a gap between the fixed hole P formed in the hole) or the bush inserted into the fixed hole.

In particular, such gaps have been formed larger as time passes or as the load of the door itself becomes excessive, shortening the life of the refrigerator.

The present invention is devised to solve such a problem, the object of the present invention is to provide a mounting bracket of the door and the shaft of the intermediate hinge for the refrigerator to prevent the sag of the door.

Another object of the present invention is to provide a mounting structure of the shaft and the door of the intermediate hinge for the refrigerator to prevent the gap or the gap between the hinge shaft and the fixing hole of the door when the door and the hinge are mutually mounted.

These objects are achieved by the present invention, according to the present invention, mounted on the isolation portion that separates the freezer compartment and the refrigerating compartment of the refrigerator, and the mounting structure of the shaft and the refrigerating chamber door of the intermediate hinge having a mounting bracket formed with a fixing hole. In the groove formed in the lower portion of the shaft and the bush is inserted into the upper cap of the refrigerating chamber door, the groove formed in the upper surface of the bush and formed downward from the opening communicating with the fixing hole of the intermediate hinge The tab portion corresponding to the bolt portion of the shaft is formed, characterized in that the shaft is bolted to the bushing is configured.

1 is a partially enlarged perspective view showing an intermediate hinge of a general refrigerator.

2 is a cross-sectional view with the hinge of FIG. 1 mounted to the door.

3 is a perspective view showing the intermediate hinge shaft and the door cap bush of the refrigerator according to the present invention.

4 is a cross-sectional view showing a state in which the intermediate hinge shaft according to the present invention is inserted into the door cap bush.

* Explanation of symbols for main parts of the drawings

1: middle hinge 10: shaft

11 bottom surface 15 bolt portion

20: refrigerator door 21: upper cap

22: bush 23: opening

24: groove 25: tab portion

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

3 is a perspective view showing an intermediate hinge shaft and a door cap bush of the refrigerator according to the present invention in FIG. 3, and FIG. 4 shows a state in which the intermediate hinge shaft according to the present invention is inserted into the door cap bush. A cross section is shown.

3 and 4, the intermediate hinge shaft 10 of the refrigerator applied to the mounting structure according to the present invention is basically the lower piece 11 and the freezing compartment in which the refrigerating chamber door is rotatably mounted as described above. It includes an upper piece 12 in which the door is rotatably mounted. In addition, a stopper 13 is formed at the boundary between the lower piece 11 and the upper piece 12, and a fastening part bolted to the fixing hole 4 of the hinge 1 at the lower part of the stopper 13 ( 14) is formed.

In particular, the bolt portion 15 in the position corresponding to the tab portion machined in the bushing in which the lower portion 11 of the intermediate hinge shaft 10 according to the present invention is inserted, that is, the upper cap of the refrigerating chamber door to be described later in detail. ) Is helixed.

The spirals of the bolt portion 15 are formed in the same direction as the spirals of the fastening portion 14, and the number of the spirals of the bolt portion 15 is formed more than the number of spirals of the fastening portion 14 It is preferable. This is for ease of fastening and fastening.

In particular, the diameter of the bolt portion 15 is preferably formed smaller than the diameter of the fastening portion (14). This is because the fixing hole 4 of the hinge 1 should be able to penetrate easily without interference.

In addition, the bush 22 is inserted into the upper cap 21 of the refrigerating chamber door 20 in which the shaft 10 is inserted and fixed.

The bush 22 is preferably manufactured by a casting method using a metal or a synthetic resin material, and is preferably inserted into a predetermined position or molded integrally with the upper cap (C) when the upper cap 21 is formed. Do.

In addition, the upper surface of the bush 22 is formed with an opening 23 into which the lower piece 11 of the shaft 10 is inserted, and the position of the cylindrical groove 24 extending downward from the opening 23. In the lower portion 11 of the shaft 10 is formed a tab portion 25 in which the bolt portion 15 is bolted.

Of course, the helix of the tab portion 25 is formed corresponding to the helix of the bolt portion 15 of the shaft 10 as described above, the number is also formed correspondingly.

According to the mounting method and the operation mode of the shaft and the door of the intermediate hinge for the refrigerator according to the present invention, for example, the intermediate hinge 1 is mounted on the refrigerator and the bush 22 is attached to the upper cap 21 of the refrigerating chamber door 20. In the inserted state, the operator inserts the shaft 10 into the fixing hole 4 formed in the bracket 3 of the intermediate hinge 1.

In this case, the lower piece 11 of the shaft 10 easily penetrates the fixing hole 4, and the lower piece 11 of the shaft 10 enters the groove 24 through the opening 23 of the bush 22. The inserted end spiral of the bolt portion 15 is aligned with the end spiral of the tab portion 25 of the bush 22. Of course, at this time, the tip helix of the fastening portion 14 of the shaft 10 is aligned with the tip helix of the fixing hole 4.

Then, when the worker rotates the shaft 10 in one direction, that is, in the fastening direction, the fastening part 14 is fixed to the fixing hole 4 and the bolt part 15 of the lower piece 11 is the bush ( It is bolted and fastened to the tab part 25 of 22, and this fixing is continued until the stopper 13 of the shaft 10 contacts the upper surface of the bracket 3 of the hinge 1.

Thus, when the refrigerator compartment door 20 is mounted to the refrigerator main body according to the bolt-fastening between the shaft 10 and the bush 22, a gap is not generated between the shaft 10 and the bush 22 so that the refrigerator compartment door 20 ) Opening and closing, in particular in the closed state, sagging of the door is prevented.

As a result, when the refrigerator compartment door is mounted on the refrigerator main body by using an intermediate hinge or a shaft according to the mounting structure of the present invention, a gap is not generated between the shaft and the bush during the initial mounting step, and the refrigerator compartment door is secured by a firm fastening between them. Even if an excessive load is applied, the deflection of the refrigerating chamber door downward is completely prevented.

Although a preferred embodiment according to the present invention has been described above, it will be understood by those skilled in the art that various modifications and changes can be made without departing from the scope of the appended claims.

Claims (2)

In the mounting structure of the shaft of the intermediate hinge and the refrigerating chamber door having a mounting bracket having a fixing hole formed in the isolation portion that separates the freezer compartment and the refrigerating compartment of the refrigerator, the bolt portion on the lower side 11 of the shaft 10 Form 15 and insert the bush 22 in the upper cap 21 of the refrigerating chamber door 20, which is formed on the upper surface of the bush 22 and communicates with the fixing hole 4 of the intermediate hinge In the groove 24 formed downward from the opening 23, a tab portion 25 corresponding to the bolt portion 15 of the shaft 10 is formed, and the shaft 10 is bolted to the bush 22. Mounting structure of the shaft and the refrigerator compartment door of the intermediate hinge for the refrigerator, characterized in that the configuration. The bolt portion 15 of the lower piece 11 of the shaft 10 is a fastening portion 14 of the shaft 10 is fastened to the fixing hole (4) of the hinge (1). Mounting structure of the shaft and the refrigerator compartment door of the intermediate hinge for the refrigerator, characterized in that fixed to the tab portion 25 of the bush 22 at the same time.