CN205784186U - Turn back energy-saving refrigerator door - Google Patents

Abstract

A folding energy-saving refrigerator door, which belongs to the field of refrigerator doors, has a shaft hole in the longitudinal direction at the junction of the main door and the auxiliary door, the door shaft is inserted into the shaft hole to connect the main door and the auxiliary door, and the retaining spring restricts the door in the retaining ring groove. The shaft moves up and down; the end of the protruding part with the shaft hole at the junction of the main door and the auxiliary door is a convex arc surface, and the end of the part without the shaft hole at the junction of the main door and the auxiliary door is a concave arc surface; There are plane integral lock devices on the main door and the auxiliary door, and a bolt lock is installed on the main door. The folding energy-saving refrigerator door has a simple structure and is easy to manufacture and use. When you don’t need to open a large door at ordinary times, you can only open the auxiliary door. It is small, so that less cold air escapes from the refrigerator, which saves energy, and has a good market prospect for industrialization.

Description

Folding Energy Saving Refrigerator Doors

technical field

The utility model relates to a folding energy-saving refrigerator door in the field of refrigerators.

Background technique

Traditional refrigerator doors are all integral single doors or double doors that open on both sides. The opening range of the integral single door is large, and the middle part of the door cannot be turned.

Contents of the invention

The purpose of the utility model is to provide a folding energy-saving refrigerator door in which the middle part of the door can be folded.

In order to achieve the above purpose, the folding energy-saving refrigerator door described in the utility model mainly includes a main door, an auxiliary door, a shaft hole, a door shaft, a plane integral lock device, and a latch lock;

There is a shaft hole in the longitudinal direction of the joint between the main door and the auxiliary door, and the shaft hole passes through the protruding part in the middle of the joint of the auxiliary door and the upper and lower protruding parts of the joint of the main door. There are ring grooves at the upper and lower ends of the shaft holes of the door. The door shaft is inserted into the shaft hole to connect the main door and the auxiliary door. , the main door and the auxiliary door can rotate relatively around the door shaft; the end of the protruding part with the shaft hole at the junction of the main door and the auxiliary door is a convex arc surface, and the part without the shaft hole at the junction of the main door and the auxiliary door The ends are concave arcs.

There is a plane integral lock device on the main door and the auxiliary door. The plane integral lock device includes a rotating chamber, a lock chamber, a shaft lock hole, a rotating lock block, a rotating connecting shaft, a handle and a key lock. There is a rotating chamber extending into the main door body on the surface, and a lock chamber extending into the door body of the auxiliary door on the convex arc surface of the auxiliary door; a rotating lock block is installed in the rotating chamber, and there are connecting holes on the rotating lock block. The rotating connecting shaft is inserted into the connecting hole and fixed by an interference fit with the connecting hole or fixed by a key and a keyway. After passing through the connecting hole, one end of the rotating connecting shaft is inserted into the shaft lock hole outside the rotating cavity and connected with the handle installed on the inner surface of the main door. The other end is inserted into the shaft lock hole outside the rotating chamber and connected with the lock core of the key lock installed outside the main door; insert the handle or key into the key hole of the key lock and rotate the locking end of the lock block to enter the auxiliary door When it is in the lock chamber, the rotating lock block is in the lock chamber of the auxiliary door and in the rotating chamber of the main door at the same time, and the main door and the auxiliary door form an integral straight door; there is no turning at the locking end of the rotating lock block When entering the lock chamber of the auxiliary door, the rotating lock block is in the rotating chamber of the main door, and the main door and the auxiliary door can rotate relatively.

Bolt locks are installed on the surface of the upper and lower ends of the main door. The bolt lock includes a locking part and a handle part. The locking part is a part that can be inserted into the lock groove of the door frame, and the handle part is pushed or pulled by hand. part.

The convex arc surface is a convex arc surface; the concave arc surface is a concave arc surface; the convex arc surface cooperates with the concave arc surface to make the main door and the auxiliary door rotate around the door axis It can closely cooperate without leaking air-conditioning, and make the main door and the auxiliary door not conflict.

The rotating cavity is a cavity for rotating the locking block.

The lock cavity is a cavity into which the locking end of the rotating lock block is turned; the lower part of the lock cavity is higher than the lower part of the rotating cavity so that the locking end of the rotating lock block rotates into the lock cavity with a fixed The locking position, and then the locking end of the rotating lock block will not produce unlimited rotation.

The shaft lock hole includes an inner hole and an outer hole, the inner hole is a hole for inserting the rotating connection shaft, and the outer hole is a hole for installing a key lock.

The rotating locking block is a block body, and there are connecting holes on the rotating locking block.

The rotating connecting shaft is a connecting body of the rotating lock block connecting the handle and the key lock.

Described handle is the handle that turns and turns the locking block.

The key lock is a lock with a key hole and a locking function, and the key hole is on the lock cylinder.

The main door and the auxiliary door are relative, the names and positions of the main door and the auxiliary door can be exchanged, and the structures of the main door and the auxiliary door can also be exchanged.

When installing, fix the side of the main door without the shaft hole on the side of the door frame of the refrigerator through a hinge, and install a refrigerator lock on the side without the shaft hole of the auxiliary door or not install the refrigerator lock. When the refrigerator lock is installed, the refrigerator The lock, the plane integral lock device and the latch lock jointly lock the folding energy-saving refrigerator door.

The auxiliary door can be used not only as a small door of the refrigerator, but also can be used as a whole refrigerator door or as a folding refrigerator door in cooperation with the main door.

In order to reduce the resistance during relative rotation between the main door and the auxiliary door, a bushing is embedded in the shaft hole or a sliding sleeve is installed.

In order to facilitate the installation of the main door and the auxiliary door on the door frame, the connection of the auxiliary door and the connection of the main door complement each other,

The main door and the auxiliary door can be relatively turned around the door shaft.

In order to enable the auxiliary door and the main door to turn around the door shaft, the door shaft is a straight shaft; in order to enable the main door and the auxiliary door to overlap when turning around the door shaft, the door shaft can also be a crankshaft; Described crankshaft is that middle part is bent at right angles, and the vertical part after turning is axle, and transverse part is support, and the axle of upper part and lower part is on the same straight line, and the axle of upper part and lower part and middle part The shafts are parallel, the shafts of the upper part and the lower part are inserted into the shaft holes of the main door, and the shafts of the middle part are inserted into the shaft holes of the auxiliary door. The holes are not on the same line, which in turn enables overlapping.

In order to make the rotating lock block rotate in the rotating chamber and the lock chamber, the position of the connecting hole on the rotating locking block is at the end or middle of the rotating locking block.

The folding energy-saving refrigerator door has a simple structure and is easy to manufacture and use. When it is not necessary to open a large door at ordinary times, only the auxiliary door can be opened, and the refrigerator door can be opened when taking things out of the refrigerator or putting things into the refrigerator. The opening range is small, so that less cold air escapes from the refrigerator, energy is saved, and the market prospect of industrialization is good.

Description of drawings

Figure 1 is a schematic diagram of the combination of the main door and the auxiliary door;

Fig. 2 is a schematic appearance diagram of a top view of the combination of the main door and the auxiliary door;

Fig. 3 is the appearance schematic diagram of the top view of main door;

Fig. 4 is a schematic appearance diagram of a top view of the auxiliary door;

Fig. 5 is the appearance schematic diagram of main door;

Fig. 6 is a schematic diagram of the appearance of the auxiliary door;

Fig. 7 is a schematic cross-sectional structure diagram of the combination of the main door and the auxiliary door without a plane integral lock device installed;

Fig. 8 is a schematic cross-sectional structural view of the combination of the main door and the auxiliary door and the installation of a plane integral lock device;

Fig. 9 is a schematic view of the combination of the main door and the auxiliary door, and a bolt lock installed on the main door.

As shown in the figure: main door 1, auxiliary door 2, shaft hole 3, door shaft 4, concave arc surface 5, convex arc surface 6, lock chamber 7, rotating chamber 8, shaft lock hole 9, rotating connecting shaft 10, handle 11. Turn the lock block 12 and the latch lock 13.

detailed description

The folding energy-saving refrigerator door of the utility model mainly includes a main door 1, an auxiliary door 2, a shaft hole 3, a door shaft 4, a plane integral lock device, and a bolt lock;

There is a shaft hole 3 in the longitudinal direction of the connection between the main door 1 and the auxiliary door 2, and the shaft hole 3 passes through the protruding part of the middle part of the connection of the auxiliary door 2 and the upper and lower protrusions of the connection of the main door 1. There is a spring groove at the end of the shaft hole 3 near the upper and lower ends of the main door 1. The door shaft 4 is inserted into the shaft hole 3 to connect the main door 1 and the auxiliary door 2. The door shaft 4 is installed in the shaft hole 3 The circlip in the circlip groove restricts the door shaft 4 to move up and down, and the main door 1 and the auxiliary door 2 can rotate around the door shaft 4; the connection between the main door 1 and the auxiliary door 2 has a protruding part of the shaft hole 3 The end of the shaft hole 3 is a convex arc surface 6, and the end of the part without the shaft hole 3 at the junction of the main door 1 and the auxiliary door 2 is a concave arc surface 5.

On the main door 1 and the auxiliary door 2 there is a planar integral lock device, which includes a rotating chamber 8, a lock chamber 7, a shaft lock hole 9, a rotating lock block 12, a rotating connecting shaft 10, a handle 11 and a key The lock has a rotating chamber 8 extending into the door body of the main door 1 on the concave arc surface 5 of the main door 1, and a lock chamber 7 extending into the door body of the auxiliary door 2 on the convex arc surface 6 of the auxiliary door 2; A rotating lock block 12 is installed in the cavity 8, and there is a connecting hole on the rotating locking block 12. The rotating connecting shaft 10 is inserted into the connecting hole and fixed by an interference fit with the connecting hole or fixed by a key and a keyway, and the rotating connecting shaft 10 passes through the connecting hole. The rear end is inserted into the shaft lock hole 9 outside the rotating cavity 8 and is connected with the handle 11 installed on the inner surface of the main door 1, and the other end is inserted into the shaft locking hole 9 outside the rotating cavity 8 and connected with the key lock installed on the outside of the main door 1. The lock cylinder is connected; when the lock end of the handle 11 or the key is inserted into the keyhole of the key lock and the lock end of the rotating lock block 12 enters the lock cavity 7 in the auxiliary door 2, the lock block 12 is rotated in the lock cavity of the auxiliary door 2 at the same time. 7 and in the rotating chamber 8 of the main door 1, the main door 1 and the auxiliary door 2 form an integral straight door; when the locking end of the rotating lock block 12 is not turned into the lock chamber 7 of the auxiliary door , the rotating lock block 12 is in the rotating cavity 8 of the main door 1, and the main door 1 and the auxiliary door 2 can rotate relatively.

Bolt lock 13 is installed on the surface of the upper end and the lower end of main door 1, and described bolt lock comprises locking part and handle part, and locking part is the part that can be inserted in the lock groove of door frame, and handle part is pushed by hand or the pulling part.

The convex arc surface 6 is a convex arc surface; the concave arc surface 5 is a concave arc surface; the convex arc surface 6 cooperates with the concave arc surface 5 to make the main door 1 and the auxiliary door 2. When rotating around the door shaft 4, it can closely cooperate without leaking cold air, and prevent the main door and the auxiliary door from conflicting.

The rotating cavity 8 is a cavity for the rotating lock block 12 to rotate.

The lock cavity 7 is a cavity into which the locking end of the rotating lock block 12 is turned; the lower part of the lock cavity 7 is higher than the lower part of the rotating cavity 8 so that the locking end of the rotating lock block 12 is rotated into the lock There is a fixed locking position in the cavity 7, so that the locking end of the rotating locking block 12 will not rotate unrestricted.

The shaft lock hole 9 includes an inner hole and an outer hole, the inner hole is a hole into which the rotating connecting shaft 10 is inserted, and the outer hole is a hole for installing a key lock.

The rotating locking block 12 is a block body, and there are connecting holes on the rotating locking block 12 .

The rotating connecting shaft 10 is a connecting body where the rotating lock block 12 connects the handle 11 and the key lock.

Described handle 11 is the handle that turns and rotates locking block 12.

The key lock is a lock with a key hole and a locking function, and the key hole is on the lock cylinder.

The main door 1 and the auxiliary door 2 are opposite, the names and positions of the main door 1 and the auxiliary door 2 can be exchanged, and the structures of the main door 1 and the auxiliary door 2 can also be exchanged.

When installing, fix the side of the main door 1 without shaft hole 3 on one side of the door frame of the refrigerator through a hinge, and install a refrigerator lock or not install a refrigerator lock on the side without shaft hole 3 of the auxiliary door 2, and a refrigerator is installed. When locking, the refrigerator lock, the plane integral lock device and the latch lock jointly lock the turning and energy-saving refrigerator door.

In order to reduce the resistance during relative rotation between the main door 1 and the auxiliary door 2, a bushing is embedded in the shaft hole 3 or a sliding sleeve is installed.

In order to make the main door 1 and the auxiliary door 2 installed on the door frame for convenient use, the connection of the auxiliary door 2 and the connection of the main door 1 complement each other,

The main door 1 and the auxiliary door 2 can be relatively turned around the door shaft 4 .

In order to enable the auxiliary door 2 and the main door 1 to turn around the door shaft 4, the door shaft 4 is a straight axis; in order to enable the main door 1 and the auxiliary door 2 to overlap when turning around the door shaft 4, the described The axis of the door can also be a crankshaft; the crankshaft is a middle part that is bent at a right angle, the vertical part after the turning is a shaft, and the horizontal part is a support, and the shafts of the upper part and the lower part are on the same straight line, and the upper part and the lower part The axis of the part is parallel to the axis of the middle part, the shafts of the upper part and the lower part are inserted into the shaft hole 3 of the main door 1, the shaft of the middle part is inserted into the shaft hole 3 of the auxiliary door 2, and the auxiliary door 2 is opposite to the main door 1 When rotating, the shaft hole 3 of the auxiliary door 2 and the shaft hole 3 of the main door 1 are not on the same straight line, and then overlapping can be realized.

In order to make the rotating lock block rotate in the rotating chamber and the lock chamber, the position of the connecting hole on the rotating locking block is at the end or middle of the rotating locking block.

The auxiliary door 2 can be used as a small door of the refrigerator, and can be used as a whole refrigerator door or as a folding refrigerator door in cooperation with the main door 1 .

The auxiliary door 2 is only used as a small door of the refrigerator. After closing the main door 1 to make the refrigerator fit the door frame, push the handle part of the latch lock 13 to insert the locking part of the latch lock 13 into the lock groove of the door frame. Lock the main door 1, after that, the auxiliary door 2 is used as a small door; when closing the small door, push or pull the auxiliary door 2 to rotate around the door shaft 4, when the auxiliary door 2 rotates to the same position as the main door 1 When on the plane, turn the handle 11 in the door to drive the rotation lock block 12 to rotate, and turn the rotation lock block 12 with a key outside the door, and the locking end of the rotation lock block 12 enters the lock cavity 7 from the rotation cavity 8 and the auxiliary door 2 and The main door 1 is locked on the same plane to complete the closing of the small door; when opening the small door, use the key to reversely turn the lock block 12 when opening the door outside the door, and turn the lock block reversely by the handle 11 when opening the door inside the door 12. The locking end of the rotating lock block 12 is turned out from the lock hole of the auxiliary door 2 so that the rotating lock block 12 completely enters the rotating cavity 8, and the locking of the plane integral lock device is opened.

The auxiliary door 2 cooperates with the main door 1 and when the integral refrigerator door is used, the auxiliary door 2 is pushed to rotate around the door shaft 4. When the auxiliary door 2 is turned to be on the same plane as the main door 1, the handle 11 is turned Rotate the lock block 12 to rotate or turn the rotation lock block 12 with a key, and the locking end of the rotate lock block 12 enters the lock cavity 7 from the rotation chamber 8 and the auxiliary door 2 and the main door 1 are locked on the same plane, after that, the main door Door 1 and auxiliary door 2 have just synthesized a whole refrigerator door; Open.

The auxiliary door 2 cooperates with the main door 1, and when the refrigerator door is used to close the door, when the auxiliary door 2 is pushed to rotate around the door shaft 4, the main door 1 and the auxiliary door 2 are also rotated around the hinge shaft. When the door 2 is rotated to be on the same plane as the main door 1, turn the lock block 12 with a key, and the locking end of the lock block 12 enters the lock cavity 7 from the rotation chamber 8 to lock the auxiliary door 2 and the main door 1 On the same plane, after that, continue to pull the auxiliary door 2, so that the main door 1 and the auxiliary door 2 are fitted to the door frame, and the refrigerator lock installed on the auxiliary door 2 locks the refrigerator door on the door frame, and completes closing the door outside the folding refrigerator door.

The auxiliary door 2 cooperates with the main door 1 and when the door is opened by folding the refrigerator door, the refrigerator lock is first opened with a key; after that, the lock block 12 is rotated by the key, and the locking end of the lock block 12 is unlocked from the lock chamber 7 Turning inwards opens the lock of the plane overall lock device; after that, when the auxiliary door 2 is pushed to rotate around the door shaft 4, the auxiliary door 2 and the main door 1 are also rotating around the hinge shaft on the door frame, and the auxiliary door 2 and the main door 1 are also rotated around the hinge shaft on the door frame. The main gate 1 was folded and closed, and the gate was opened.

Claims (3)

1. an energy-saving refrigerator door of turning back, it is characterised in that: described energy-saving refrigerator door of turning back includes main door, secondary door, axis hole, door Axle, plane entirety locking device, pin lock；

Described main door has axis hole with the longitudinal direction of secondary door junction, and axis hole passes the projection in the middle part of the junction of secondary door and wears Cross top and the projection of bottom of the junction of main door, have jump ring in the axis hole end of the top and bottom near main door Groove, door-hinge inserts and connects main door and secondary door in axis hole, and door-hinge limits door-hinge by the jump ring being arranged in jump-ring slot in axis hole Up and down play, main door and pair door can be around the relative rotations of door-hinge；There is the projection of axis hole the junction of main door and secondary door End is convex globoidal, and the junction of main door and secondary door does not has the end of the part of axis hole to be cancave cambered surface；

Main door and secondary door there are plane entirety locking device, described plane entirety locking device include rotating chamber, lock chamber, axle lock Hole, rotate lock dog, be rotationally connected axle, handle and key lock, the cancave cambered surface of main door has and rotates in the door body that main door is stretched in chamber, The convex globoidal of secondary door there is lock chamber stretch in the door body of secondary door；Rotating intracavity, rotation lock dog is installed, rotates and have on lock dog Connecting hole, be rotationally connected axle insert in connecting hole with connecting hole interference fit and fixing or fix by key and keyway, rotation connects Spindle is inserted in the axle lockhole rotated outside chamber through one end after connecting hole and is connected with the handle being arranged on main door inner surface, separately One end is inserted in the axle lockhole rotated outside chamber and is connected with the lock core of the key lock being arranged on main outer side of door；With handle or use key Time in lock chamber during the locking end of rotary motion lock dog enters secondary door in the keyhole of insertion key lock, rotate lock dog simultaneously in pair In the lock chamber of door and in the rotation chamber of main door, main door defines an all-in-one-piece straight door with secondary door；At the lock rotating lock dog When not-go-end does not proceed in the lock chamber of secondary door, rotation lock dog is in the rotation chamber of main door, and main door can relatively rotate with secondary door；

Be provided with pin lock on the surface of the top and bottom of main door, described pin lock includes lock portion and handle portion, Lock portion is the part being inserted in the locked groove of doorframe, and handle portion is by hand propelled or the part that pulls；

Described convex globoidal is the arcwall face protruded；Described cancave cambered surface is the arcwall face of depression；

Described rotation lock dog is blocks, has connecting hole rotating on lock dog；

The described axle that is rotationally connected is to rotate lock dog to connect handle and the connector of key lock.

Energy-saving refrigerator door of turning back the most according to claim 1, it is characterised in that: relative in order to reduce between main door and secondary door Resistance during rotation, is inlaid with lining in axis hole or is provided with the set that trackslips.

Energy-saving refrigerator door of turning back the most according to claim 1, it is characterised in that: in order to make main door and secondary door be arranged on doorframe Upper convenience uses, and the junction of described secondary door and the junction of main door are complementary to one another, can be around door-hinge between main door and secondary door Relatively turn back.