JP2012172863A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a hinge pin from coming off a hinge device and to prevent a door from coming off, in a refrigerator where the hinge member is covered with a door upper part frame so that the hinge member is not seen from the front surface of the door in particular.SOLUTION: The refrigerator provided with the hinge cover for covering a hinge 50 that pivotally supports the door 22a to a refrigerator body includes: the hinge pin 51 which is placed in a space part 22c provided to a door frame 22b forming the upper end part of the door 22a, is inserted in the shaft hole 50a of the hinge, and freely pivotally supports the door; and a cap hinge 52 for covering the hinge pin 51. The cap hinge 52 is formed by covering the upper surface of the hinge pin 51, inhibits the hinge pin 51 from coming off the hinge 50, and prevents the door from coming off.

Description

  The present invention relates to a refrigerator having a hinge safety structure.

  Conventionally, the conventional refrigerator will be described with reference to the drawings.

  FIG. 3 is a perspective view of a conventional refrigerator.

  Conventionally, the door 2 is pivotally supported on the hinge 5 while leaving the front wall 8 of the door frame 3 and a part of the side wall 9 connected to the corner C of the door frame 3 forming the upper end of the door 2. And a hinge cover 4 provided with a notch 11 that is substantially flush with the upper surface S1 of the door frame 3 and that is substantially flush with the side surface of the notch step 7. Further, a rib or guide member 23 for guiding and protecting the lead wire is provided in the hinge cover 4 to provide a hinge device with an excellent appearance and high commercial value, and to open and close the door of the lead wiring in the hinge device. To prevent damage.

  By the way, in the above-mentioned conventional, the hinge 5 is inserted into the shaft hole 5a and fixed by caulking, but there is a possibility that the hinge pin 5 comes out of the shaft hole 5a by the opening / closing operation of the door 2 and the door 2 falls off.

JP-A-4-297774

  However, the above-described conventional configuration has a drawback that the hinge pin is detached from the shaft hole and the door is dropped due to repeated opening and closing of the door.

  An object of the present invention is to prevent the hinge pin from falling off the hinge device and to prevent the door from falling off, particularly in a refrigerator that covers the hinge member with a door upper frame so that the hinge member cannot be seen from the front of the door. And

  In order to solve the above-described conventional problems, a refrigerator according to the present invention includes a hinge that pivotally supports a door on a refrigerator body and a hinge cover that covers the hinge, and a door frame that forms an upper end portion of the door. A hinge pin that is disposed in a space provided at a corner portion of the door frame and that is inserted into a shaft hole of the hinge to pivotally support the door, and a cap hinge that covers the hinge pin. The hinge is formed so as to cover the upper surface of the hinge pin, and has an effect of preventing the hinge pin from coming off the hinge and preventing the door from falling off.

  The refrigerator of the present invention can provide a refrigerator that prevents the door from falling off and ensures safety.

Sectional drawing of the refrigerator of Embodiment 1 by this invention Main part perspective view of the same embodiment Perspective view of a conventional refrigerator

  1st invention is the refrigerator provided with the hinge which pivotally supports a door to a refrigerator main body, and the hinge cover which covers the said hinge, The door frame which forms the upper end part of the said door, The corner part of the said door frame A hinge pin that is disposed in the provided space and is inserted into the shaft hole of the hinge to pivotally support the door; and a cap hinge that covers the hinge pin, wherein the cap hinge covers an upper surface of the hinge pin. Therefore, it is possible to prevent the hinge pin from coming off from the hinge and to prevent the door from falling off.

  According to a second aspect of the invention, in the refrigerator of the first aspect of the invention, the cap hinge is fixed by being hooked and fixed to the upper surface and the lower surface of the hinge while covering the upper surface of the hinge pin. can do.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
1 is a cross-sectional view of a refrigerator according to a first embodiment of the present invention.

  In FIG. 1, the refrigerator main body 21 has a refrigerator room 22, an ice making room 23, and a switching room 24 arranged in order from the top, and a freezer room 25 and a vegetable room 26 are laid out. An operation unit 27 is disposed in the vicinity of the center of the refrigerator compartment door 22a of the refrigerator compartment 22, and an illuminance sensor (not shown) serving as illuminance detection means is provided.

  Furthermore, the layout of the door is representative and is not limited to this layout. For example, the refrigerator room 22, the vegetable room 26, the ice making room 23, and the switching room 24 are arranged on the left and right in order from the top. The freezer compartment 25 may be arranged in the lower part.

  As described above, the refrigerator main body 21, the refrigerating room door 22a that rotates in a hinged manner, the ice making room door 23a that can be drawn out in the front-rear direction, the drawer-type switching room door 24a, the drawer-type freezer compartment door 25a, and the interior in the front-rear direction The heat insulation box 20 is comprised with the drawer-type vegetable compartment door 26a from which a storage container is pulled out together.

  About the refrigerator comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  The refrigerator body 21 is thermally insulated from both side surfaces, the back surface, and the periphery, and is partitioned into a plurality of storage rooms by partition walls. A refrigerating room 22 is provided at the top, a switching room 24 or an ice making room 23 is provided side by side at the bottom of the refrigerating room 22, a freezing room 25 is provided below the switching room 24 and the ice making room 23, and a vegetable room 26 is provided at the bottom. The doors are arranged at the front opening of the refrigerator main body so as to separate the outside air from the front of each storage room.

  The refrigerator compartment 22 is normally set to 1 ° C. to 5 ° C. at the lower limit of the temperature at which it does not freeze for refrigerated storage, and the lowermost vegetable compartment 26 is set to 2 ° C. to 7 ° C., which is the same or slightly higher temperature setting as the refrigerator compartment 22. In addition, the freezer compartment 25 is set in a freezing temperature zone and is usually set at −22 ° C. to −15 ° C. for frozen storage, but for example, −30 ° C. or − It may be set at a low temperature of 25 ° C.

  The switching chamber 24 is not only refrigerated set at 1 ° C to 5 ° C, vegetables set at 2 ° C to 7 ° C, and frozen at a temperature set usually at -22 ° C to -15 ° C. It is possible to switch to a preset temperature range between the freezing temperature ranges. The switching room 24 is a storage room provided with an independent door arranged in parallel with the ice making room 23, and is often provided with a drawer-type door.

  In the present embodiment, the switching chamber 24 is a storage room including the temperature range of refrigeration and freezing. However, the refrigeration is performed by the refrigeration room 22 and the vegetable room 26, and the freezing is performed by the freezing room 25. A storage room specialized for switching only the temperature zone in the middle of freezing may be used. Moreover, the storage room fixed to refrigeration may be sufficient as the demand for frozen foods has increased in recent years, for example, frozen food.

  The ice making chamber 23 makes ice with an automatic ice maker (not shown) provided in the upper part of the room with water sent from a water storage tank (not shown) in the refrigerator compartment, and an ice storage container (not shown) arranged in the lower part of the room. To store).

  In the figure, the heat insulation box which is the refrigerator main body of the refrigerator 21 includes an outer box 28 mainly using a steel plate, an inner box 29 formed of a resin such as ABS, and the outer box 28 and the inner box 29. A hard urethane foam 30 filled and foamed is formed in the space. Further, a vacuum heat insulating material 31 is embedded in the hard urethane foam in order to further partially improve the heat insulating performance.

  The top surface of the refrigerator main body 21 has a stepped recess in the rear direction of the refrigerator. A machine chamber 35 is formed in the stepped recess, and the compressor 32, moisture removal is formed in the machine chamber 35. The high-pressure side components of the refrigeration cycle such as a dryer (not shown) for performing the above are accommodated. That is, the machine room 35 in which the compressor 32 is disposed is formed by biting into the uppermost rear region in the refrigerator compartment 22.

  The cooler 33 constituting the low-pressure side of the refrigeration cycle is arranged behind the freezer compartment 25, and cool air generated by the cooler 33 is forcibly blown by a cooling fan 34 to cool each storage chamber.

  In the present embodiment, the matter relating to the main part of the invention described below is a refrigerator of the type in which a compressor room is provided by providing a machine room in the rear region of the lowermost storage room of a conventional heat insulation box. 21 may be applied.

  FIG. 2 is a perspective view of the main part A. FIG. A hinge 50 that rotatably connects the refrigerator compartment door 22 a is disposed in a step portion 21 a formed in the main body 21. The hinge 50 is fixed to the stepped portion 21a with a screw (not shown), and extends integrally toward the refrigerator compartment door 22a.

  The refrigerator compartment door 22a is rotatably supported by the shaft hole 50a of the hinge 50 and the hinge pin 51.

  The upper surface of the hinge pin 51 is covered with a cap hinge 52. In the cap hinge 52, one claw portion 52 a of the cap hinge 52 is hooked on a step formed by the upper surface portion 50 b of the hinge 50 and the hinge pin 51, and the other claw portion 52 b is hooked on the lower surface portion 50 c of the hinge 50. Arranged.

  The hinge pin 51 is inserted into the shaft hole 50 a and further crimped. The hinge pin 51 does not rotate alone in the shaft hole 50 a, and the hinge pin 51 is fixed to the hinge 50.

  The cap hinge 52 is fixed to the hinge 50 by the claw portion 52a and the claw portion 52b so that the hinge pin 51 does not come out of the shaft hole 50a and jumps upward by opening / closing the refrigerator compartment door 22a. is doing.

A door frame 22b is formed at the upper end of the refrigerator compartment door 22a, and a space 22c for accommodating the hinge 50 is formed at the corner of the door frame 22b.

  A portion of the hinge 50 fixed to the main body 20 is covered with a hinge cover 53, and a portion in which the hinge pin 51 is accommodated is covered with a door frame 22b.

  Since the door frame 22b is assembled before filling the heat insulating foam material of the refrigerator compartment door 22a, the molded door frame 22b is fixed to the refrigerator compartment door 22a with the heat insulating foam material.

  Further, as shown in the figure, the shaft hole 50a is integrally formed by the door frame 22b. For this reason, when assembling the hinge 50, as shown in the figure, the hinge 50 is fixed in the shaft hole 50 a formed in the space 22 c surrounded by the upper surface and the lower surface. Since the size is formed larger than the plate thickness of the hinge 50, the upper surface of the door frame 22b cannot be placed in contact with the upper surface of the hinge pin 51.

  For this purpose, after the hinge 50 is inserted into the shaft hole 50a and assembled, the cap hinge 52, which is a separate part, is hooked by the claw portions 52a and 52b as described above, so that the Detachment can be suppressed and the refrigerator compartment door 22a can be prevented from falling.

  Further, since the hinge 50 is housed in the space 22c of the door frame 22b at the front, side, and top surfaces, it cannot be seen in appearance when the door 22a is closed, so that the design can be improved.

  Therefore, the cap hinge 52 contributes as a double safety structure of the hinge 50, and can improve the safety of preventing the door from falling.

  As a refrigerator layout, the type having the refrigerator compartment 22 at the top has been described, but the same effect can be achieved by a type having another storage room, for example, a freezer compartment above.

  As described above, the refrigerator according to the present invention improves the safety of the hinge of the rotary door, and can be applied to any household or commercial refrigerator.

22b Door frame 50 Hinge 50a Shaft hole 51 Hinge pin 52 Cap hinge 53 Hinge cover

Claims (2)

  In a refrigerator provided with a hinge pivotally supporting the door on the refrigerator main body and a hinge cover covering the hinge, the door frame forming the upper end of the door, and disposed in the space provided at the corner of the door frame A hinge pin that is inserted into the shaft hole of the hinge and rotatably supports the door, and a cap hinge that covers the hinge pin, wherein the cap hinge is formed to cover an upper surface of the hinge pin. Refrigerator.   The refrigerator according to claim 1, wherein the cap hinge is hooked and fixed to an upper surface portion and a lower surface portion of the hinge while covering an upper surface of the hinge pin.