JP3448786B2 - Door hinges for refrigerators, etc. - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator such as a commercial refrigerator, a refrigerator, a refrigerator, a refrigerator, a clean room, etc. The present invention relates to a hinge for connecting a door fitted to a mouth to a storage wall so as to be openable and closable. In this specification, the lower side of FIGS. 3 and 5 is referred to as front, and the opposite side is referred to as rear. Conventional hinges of this type include a door-side hinge component screwed to the outer surface of a door, a storage-wall-side hinge component screwed to the outer surface of a storage wall, and a double hinge configuration. What consisted of pins connecting the members was used. And the screw which fixes each hinge component is exposed. [0004] However, when the conventional hinge is used, even if the door is locked, it is possible to remove both hinge components by removing the screws holding both hinge components. Then, it becomes possible to remove the door and open the door. Therefore, there is a problem that articles stored inside a refrigerator or the like are stolen. An object of the present invention is to provide a door hinge for a refrigerator or the like which has solved the above-mentioned problems. SUMMARY OF THE INVENTION A hinge for a door of a refrigerator or the like according to the present invention is a hinge for connecting a door fitted to a storage opening of a refrigerator or the like to a storage wall so as to be openable and closable. Door-side hinge component fixed to the door, a door-side hinge component receiving bracket screwed to the outer surface of the door, a storage wall-side hinge component screwed to the outer surface of the storage wall, and both hinge components And a laterally-extending internal expansion groove is formed in one of the door-side hinge component member and the receiving metal fitting, and a fitting portion that is closely fitted in the internal expansion groove is provided in the other side. The door-side hinge component is screwed to the door in a state where the fitting portion is fitted in the internal enlarged groove, and in this state, the screw that fixes the receiving bracket to the door is hidden by the door-side hinge component, Connecting both hinge components In the connected state, the screw fixing the storage-wall-side hinge component to the storage wall is hidden by the door-side hinge component. [0007] A door-side hinge component fixed to the outer surface of the door,
A door-side hinge configuration comprising a door-side hinge component receiving bracket screwed to the outer surface of the door, a storage-wall-side hinge component screwed to the outer surface of the storage wall, and a pin connecting both hinge components. A laterally-extending groove is formed in one of the member and the receiving member, and a fitting portion is provided on the other side so as to be closely fitted in the inside-magnifying groove, and the fitting portion is fitted in the inside-magnifying groove. In this state, the door-side hinge component is screwed to the door, and in this state, the screw that fixes the receiving bracket to the door is hidden by the door-side hinge component, and the door-side hinge component is connected to each other by a pin. If the screw fixing the wall side hinge component to the storage wall is hidden by the door side hinge component, the door is locked with the door closed and the lock and the receiving seat are locked. From outside When Succoth keep so can not, even remove the screws that hold the door-side hinge component to the door, since the door is fitted to the refrigerator port can not pull the pin to lift the door. In the state where the pin is fitted in both hinge components, the door-side hinge component cannot be removed from the receiving fitting as a result of the engagement between the inner enlarged groove and the fitting portion. Furthermore, if the door-side hinge component does not come off, the screw fixing the storage-wall-side hinge component to the storage wall remains hidden and cannot be removed. Therefore, it is impossible to remove the door and open the door. An embodiment of the present invention will be described below with reference to the drawings. In the following description, the left and right in FIGS. 2, 3, 5, and 6 are referred to as left and right. Note that the front, rear, left, and right of the hinge are based on the state in which the door is closed. FIG. 1 shows a commercial refrigerator equipped with a hinge according to the present invention, and FIGS. 2 to 6 show the structure of a main part thereof. In FIG. 1, a door (4) fitted in a storage opening (3) formed in a storage wall (2) on the front of the knockdown refrigerator (1) has
On the right edge, the upper and lower hinges (5) make the storage wall
It is openably and closably connected to (2). A lock (6) is attached to the outer surface of the left side edge of the door (4), and in a corresponding portion, a receiving seat (7) for receiving the latch of the lock (6) is provided on the outer surface of the storage wall (2). Mounted on As shown in FIGS. 2 to 4, the hinge (5) is
A door-side hinge component (10) fixed to the outer surface of the door (4);
Door-side hinge component receiving bracket (11) screwed to the outer surface of the door (4), storage-wall-side hinge component (12) screwed to the outer surface of the storage wall (2), and both hinge configurations The pin (13) connects the members (10) and (12). On the rear surface of the door-side hinge member (10), a laterally-extending internal expansion groove (14) extending in the left-right direction is formed.
The right side portion of the door-side hinge component (10) protrudes toward the storage wall (2), and a pin insertion hole (15) extending upward from a lower end surface is formed at a tip end thereof. The receiving fitting (11) has a fitting portion (16) that is entirely fitted into the internal enlarged groove (14).
It has become. In addition, the entire receiving bracket (11) fits into the fitting portion (16).
The fitting portion does not need to be formed, and the fitting portion may be provided in a protruding shape on the front surface of the receiving bracket (11). Then, the fitting portion (16) of the receiving bracket (11) is fitted into the inner enlarged groove (14) of the door side hinge component (10), and in this state, the door side hinge component is
The left side of (10) is fixed to the door (4) by screws (17). At this time, the screw (18) fixing the receiving bracket (11) to the door (4) is hidden by the door-side hinge component (10). A front protruding portion (19) is integrally formed at a lower portion of the storage wall side hinge component (12), and the front protruding portion (19) is formed.
A pin insertion hole (20) is formed to extend downward from the upper end face of the pin. The storage wall side hinge component (12) is fixed to the storage wall (2) at its upper and lower ends by screws (21) and (22). The right end of the door-side hinge component (10) is located above the front protruding portion (19) of the storage-wall-side hinge component (12), and the pin (13) has an upper portion formed of a door-side hinge. The lower portion is inserted into the pin insertion hole (15) of the member (10), and the lower portion is inserted into the pin insertion hole (20) of the storage wall side hinge component (12), whereby the hinge components (10) and (12) are mutually connected. It is connected to. In this state, the screw (21) fixing the upper part of the storage wall side hinge component (12) to the storage wall (2) is attached to the door side hinge component (1).
Hidden by 0). In the above, the inside enlarged groove (14) is formed in the door side hinge component (10), and the fitting portion (16) is inserted into the receiving metal fitting (11).
However, conversely, an internal enlarged groove may be formed in the receiving bracket (11), and a fitting portion may be formed in the door-side hinge component (10). As shown in FIGS. 5 and 6, the lock (6)
Comprises a box (30), a latch (23) movably disposed in the box (30) in the left-right direction, and a latch operating handle (24) swingably mounted on the box (30). Have. The box (30) of the lock (6) is provided on the left side wall (2
5), a right side wall (26), a front wall (27), upper and lower walls (28) and (29), and a door (31) fixed to a door (4) through a mounting bracket (31). (4) Fixed to. The mounting bracket (31) includes a board (32) along the outer surface of the door (4), a left front protruding wall (33) integrally formed on a left edge of the board (32), and a right side of the board (32). A right front protruding wall (34) integrally formed on the edge,
The screw (35) penetrating through the substrate (32) is fixed to the door (4) by screwing it into the door (4). In the box (30), the left side wall (25) is along the left side of the left front protruding wall (33) of the mounting bracket (31), and the right side wall (26) is the right front protruding wall (34).
A plurality of screws (36) penetrating the left side wall (25) from the left side of the left side wall (25) are screwed into a plurality of screw holes (37) formed in the left front protruding wall (33). Further, by mounting a plurality of screws (38) penetrating the right side wall (26) from the right side of the right side wall (26) into a plurality of screw holes (39) formed in the right front protruding wall (34), mounting is performed. It is fixed to the bracket (31). The left end of the latch (23) has a mounting bracket (31).
Through the notch formed in the left front protruding wall (33) and the left side wall (25) of the box (30). The handle (24) is swingably mounted on the front wall (27) of the box (30). Then, by swinging the handle (24), the latch (23) moves in the left-right direction via an appropriate mechanism (not shown), so that the tip of the latch (23) comes in and out of the lock surface of the box (30). I have. The lock (6)
The left end of the latch (23) is locked by turning a key inserted into the keyhole (41) and rotating a cylindrical member (42) rotatably attached to the front wall (27) of the box (30). A lock mechanism (not shown) is provided to lock the handle (24) so as not to swing when it is out of the plane. The receiving seat (7) includes a box (43) and a latch receiving member (44) provided in the box (43). Reclining seat (7)
The box (43) has a left wall (45), a front wall (46), and upper and lower walls (47).
(48). A notch (54) is formed from the right end in the upper and lower middle part of the front wall (46) of the box (43) of the receiving seat (7). An inwardly projecting wall (50) is integrally formed from the front wall (46) of the box (43) of the receiving seat (7) to the upper and lower walls (47) and (48). The latch bracket (44) has a vertically long base (55).
And receiving claws (56) integrally formed so as to protrude forward and rightward at the upper and lower intermediate portions of the base (55). The front end of the receiving claw (56) is inserted into the notch (54) of the front wall (46) of the box (43). [0020] Box (43) of receiving seat (7) and latch receiving bracket
(44) is fixed to the storage wall (2) via a mounting bracket (49) fixed to the storage wall (2). The mounting bracket (49) is substantially T-shaped when viewed from above, and includes a board (51) along the outer surface of the storage wall (2) and a board (5).
A fixed rod with a head, consisting of a front protruding wall (52) integrally formed on the left and right intermediate parts of 1) and penetrating the board (46) from the front
(53) is inserted into the storage wall (2) by being inserted into the storage wall (2). And the inwardly protruding wall (50) of the box (43) is the mounting bracket
Along the left side surface of the front protruding wall (52) of (49),
The base (55) of the latch receiving bracket (44) is along the right side of the front protruding wall (52) of the mounting bracket (49), and in this state, the upper and lower ends of the base (55) of the latch receiving bracket (44). And screws (5) that penetrate the upper and lower ends of the front protruding wall (52) of the mounting bracket (49) from the right.
7), screw holes (58) formed in the inwardly projecting wall (50) of the box (43)
The box (43) and the latch receiving bracket
(44) is fixed to the mounting bracket (49). In the above, when the handle (24) of the lock (6) is swung and the left end of the latch (23) is projected from the lock surface, the left end of the latch (23) is moved to the receiving seat (7). Latch receiving bracket
(44) is engaged with the receiving claw (56), whereby the door (4) is held in a closed state. Further, in a state where the left end of the latch (23) is engaged with the receiving claw (56), the key inserted into the keyhole (41) of the lock (6) is turned to rotate the columnar member (42). When the handle (24) is locked via the lock mechanism, the door (4) cannot be opened. In such a configuration, when the door (4) is closed and the lock (6) is locked, the door side hinge component (10) is closed.
Even if you remove the screw (17) that secures the door to the door (4),
Since (4) is fitted in the opening (3), the door (4) cannot be lifted to remove the pin (13). In a state where the pin (13) is fitted in the hinge components (10) and (12), as a result of the engagement between the internal enlarged groove (14) and the fitting portion (16), the door side hinge component (10 ) Cannot be removed from the door (4). Further, if the door side hinge component (10) does not come off, the screw (2) fixing the upper part of the storage wall side hinge component (12) to the storage wall (2)
Since 1) remains hidden, it cannot be removed. Also, attach the left side wall (25) of the lock (6) box (30) to the mounting bracket (3
The lock (6) cannot be removed because the screw (36) fixed to the left front protruding wall (33) of (1) is hidden by the receiving seat (7). Further, the screw (57) fixing the box (43) of the receiving seat (7) and the latch receiving bracket (44) is locked.
The seat (7) cannot be removed because it is hidden by (6). Therefore, remove the door (4)
It becomes impossible to open (3). The configurations of the lock and the receiving seat are not limited to those described above, and can be changed as appropriate as long as the lock and the receiving seat cannot be removed from the outside while the lock is locked. According to the hinge for a door of a refrigerator or the like of the present invention, as described above, the door is closed and locked on the lock, and the lock and the receiving seat are removed from the outside in the locked state. If it is not possible, it is impossible to remove the door and open the door. Therefore, it is possible to prevent the articles stored inside the refrigerator or the like from being stolen.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an assembled refrigerator using a door hinge according to the present invention. FIG. 2 is an enlarged front view of a hinge. FIG. 3 is a sectional view taken along line III-III in FIG. 2; FIG. 4 is an enlarged exploded perspective view of a hinge. FIG. 5 is an enlarged horizontal sectional view of a lock and a receiving seat portion. 6 is a sectional view taken along line VI-VI of FIG. [Description of Signs] (1) Assembling type refrigerator (2) Storage wall (3) Storage opening (4) Door (5) Hinge (10) Door side hinge component (11) Door side hinge component receiving bracket (12 ) Storage wall side hinge component (13) Pin (14) Internal enlarged groove (16) Insertion part (18) Screw (21) Screw

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 4-23628 (JP, U) JP-A 63-101782 (JP, U) JP-A 63-134389 (JP, U) JP-A 57- 16568 (JP, U) Fully open sho 61-28878 (JP, U) Fully open sho 55-147443 (JP, U) Fully open sho 58-76095 (JP, U) (58) Fields investigated (Int. ⁷ , DB name) F25D 23/02 306 E05D 7/081

Claims (1)

(1) A hinge for connecting a door fitted in a storage opening of a refrigerator or the like to a storage wall so as to be openable and closable, and a door side hinge component fixed to an outer surface of the door. A door-side hinge component receiving bracket screwed to the outer surface of the door, a storage-wall-side hinge component screwed to the outer surface of the storage wall, and a pin connecting both hinge components, A laterally-inwardly extending groove is formed in one of the hinge component member and the receiving fitting, and a fitting portion that is closely fitted in the inside of the innerwardly extending groove is provided on the other side, and a fitting portion is formed in the innerly expanding groove. In the fitted state, the door side hinge component is screwed to the door,
In this state, the screw that fixes the receiving bracket to the door is hidden by the door-side hinge component, and the screw that fixes the storage-wall-side hinge component to the storage wall with the two hinge components connected by pins is the door-side. A hinge for a door of a refrigerator or the like that is hidden by a hinge component.