CN2276969Y

CN2276969Y - Door lock of refrigerator, refrigerating case

Info

Publication number: CN2276969Y
Application number: CN 95240811
Authority: CN
Inventors: 朱斌华; 周国富
Original assignee: STATE-OWNED CHANGSHU REFRIGERATING EQUIPMENT PLANT
Current assignee: STATE-OWNED CHANGSHU REFRIGERATING EQUIPMENT PLANT
Priority date: 1995-11-01
Filing date: 1995-11-01
Publication date: 1998-03-25
Anticipated expiration: 2005-11-01

Abstract

The utility model relates to a door lock of a refrigerator and a refrigerating case, comprising a lock shell which is provided with a lock shell outer ring and a lock shell inner ring. A long spring is arranged in the lock shell outer ring, the upper end of the long spring is contacted with a panel arranged on a lock core, a short spring is arranged in the lock shell inner ring, the upper end of the short spring is provided with a lock hook, the lock core is arranged in a die cavity positioned at one end of the lock hook, and the other end of the lock hook is locked with the buccal frame of a case body. The utility model causes the lock to position in a case door, in this way, the utility model not only does not influence the appearance of the case body, but also can avoid the damage of the case body in the process of transportation. Simultaneously, the lock has simple structure, reasonable design, flexible closure, safety, reliability and favorable performance. The utility model has no influence of opening and closing the case door, and the utility model can be used for the refrigerator and the refrigerating case.

Description

Refrigerator, refrigerator-freezer door lock

The utility model relates to a kind of refrigerator, refrigerator-freezer door lock.

Existing refrigerator, refrigerator-freezer, generally not with lock on chamber door, the defective that it exists is: poor safety performance, use keeping inconvenience.Though a kind of refrigerator, refrigerator-freezer sale of being with padlock on chamber door arranged on the market now,, on the one hand, influenced the attractive in appearance of whole box body owing to padlock is positioned at the also outside protrusion in chamber door door closure surface with taking to pull; On the other hand, casing easy damaged in transportation.

The purpose of this utility model is that a kind of chamber door door closure that is positioned at will be provided, and does not influence casing is attractive in appearance, simple in structure, security performance is good and casing is difficult for damaged in transportation refrigerator, refrigerator-freezer door lock.

The purpose of this utility model is achieved like this, a kind of refrigerator, refrigerator-freezer door lock, it includes the lock housing 4 between the top cover 1 that is installed in chamber door, foaming layer 9, the door inner bag 2, lock housing 4 is provided with lock housing outer ring 12, lock housing inner ring 11, long spring 3 is placed in the lock housing outer ring 12, its the upper end be located at core 7 on panel 17 contact, short spring 5 is placed in the lock housing inner ring 11, latch hook 6 has been located in its upper end, be placed with core 7 in the die cavity of latch hook 6 one ends, the other end of latch hook 6 can lock together with box mouth frame 10.

Below in conjunction with accompanying drawing the utility model is further described below.

Fig. 1 is a structure diagram of the present utility model.

The part figure that Fig. 2 locks together with box mouth frame 10 behind half-twist for the utility model latch hook 6.

Fig. 3 is the stereogram of the utility model core 7.

Fig. 4 is the stereogram of the utility model lock housing 4.

The utility model is provided with boss 14 on the panel 17 of core 7, boss 14 matches with groove 15 in being located at lock housing outer ring 12, core 7 can move up and down in the groove 15 of lock housing outer ring 12 by the boss of establishing thereon 14 like this, and drive latch hook 6 and move up and down together, groove 15 play the guiding role.The utility model has through hole 13 on lock housing outer ring 12, the effect of through hole 13 is: when core 7 is pressed, the boss 14 that drives on it moves downward together, when boss 14 moves to through hole 13 places, rotation lock core 7, boss 14 was come from 15 interior disengagings of groove, and at this moment core 7 just can drive latch hook 6 and do 90 ° rotation together.The utility model is provided with lock 16 between the top cover 1 of chamber door, foaming layer 9, door inner bag 2, lock housing 4 is fixed on the lock 16 by tapping screw 8.

The utility model is with the sealed refrigerator of key, refrigerator-freezer door lock the time, at first press core 7, making core 7 drive latch hook 6 moves down together, when the boss 14 on being located at core 7 moves to through hole 13 places that are located on the lock housing outer ring 12, core 7 is done 90 ° of rotations, at this moment core 7 just drives latch hook 6 and does 90 ° of rotations together, and latch hook 6 is locked together in box mouth frame 10.Meanwhile, core 7 is returned to reset condition under the effect of long spring 3 restoring forces.The utility model is when opening refrigerator, refrigerator-freezer door lock with key, after only need pressing core 7, do 90 ° of rotations in the other direction, latch hook 6 is broken away from from box mouth frame 10 to come, at this moment latch hook 6, core 7 are under short spring 5, the 3 restoring force effects of long spring, be returned to reset condition together, so have no effect to opening and closing chamber door.

The utility model so neither can influence the outward appearance of casing owing to after adopting said structure, make lock be positioned at chamber door, can avoid casing damaged in transportation again; Simultaneously the lock simple in structure, reasonable in design, sealed quite flexible, safety, unfailing performance is good and to the switching chamber door have no effect, can be widely used on refrigerator, the refrigerator-freezer.

Claims

1, a kind of refrigerator, the refrigerator-freezer door lock, it is characterized in that it includes the door closure (1) that is installed in chamber door, foaming layer (9), lock housing (4) between the door inner bag (2), lock housing (4) is provided with lock housing outer ring (12), lock housing inner ring (11), long spring (3) is placed in the lock housing outer ring (12), its the upper end be located at core (7) on panel (17) contact, short spring (5) is placed in the lock housing inner ring (11), latch hook (6) has been located in its upper end, be placed with core (7) in the die cavity of latch hook (6) one ends, the other end of latch hook (6) can lock together with box mouth frame (10).

2, refrigerator according to claim 1, refrigerator-freezer door lock is characterized in that being provided with boss (14) on the panel (17) of core (7), and boss (14) groove (15) interior with being located at lock housing outer ring (12) matches.

3, refrigerator according to claim 1, refrigerator-freezer door lock is characterized in that having through hole (13) on lock housing outer ring (12).