CN106014144A

CN106014144A - Elastic refrigerator foldable door

Info

Publication number: CN106014144A
Application number: CN201610528879.6A
Authority: CN
Inventors: 徐伊宗; 黄为
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-07
Filing date: 2016-07-07
Publication date: 2016-10-12

Abstract

The invention relates to an elastic refrigerator foldable door, and belongs to the field of refrigerator doors. The elastic refrigerator foldable door is characterized in that a main door and an auxiliary door are connected together by a hinge, and a back support spring is arranged on the part, extending out of a hinge plate, of a hinge shaft; a transverse lock cavity is arranged on the main door and the auxiliary door; a clamping base, a pin base and a transverse clamping pin are arranged in the transverse lock cavity, pin holes are formed in the pin base and the transverse clamping pin, a lock cavity cover is fixedly arranged on the exterior of the transverse lock cavity, one end of the lock cavity cover is fixedly arranged on the inner end part of the transverse lock cavity of the main door through a hinge or a shaft pin, a special cover lock is arranged on the other end of the transverse lock cavity, and the refrigerator lock on the lock cavity cover is matched with the inner end part of the transverse lock cavity on the auxiliary door to close or open the transverse lock cavity; a vertical lock device is arranged on the main door. The elastic refrigerator foldable door has the advantages that the structure is concise, and the convenience in manufacturing and use is realized; when the foods are fetched out of the refrigerator or put into the refrigerator, the opening degree of the refrigerator door is small, and the auxiliary door can be opened only, so that the amount of cold air escaping out of the refrigerator is little; the industrialized market prospect is good.

Description

Elastic foldable refrigerator doors

Technical field

The present invention relates to a kind of elastic foldable refrigerator doors in refrigerator doors field.

Background technology

Traditional refrigerator doors is all all-in-one-piece refrigerator doors, can not folding of refrigerator doors.

Summary of the invention

The purpose that the present invention relates to is to provide for elastic foldable refrigerator doors and the manufacture method thereof that a kind of middle part using resiliency urged refrigerator doors folds.

For achieving the above object, elastic foldable refrigerator doors of the present invention mainly includes main door, secondary door, hinge, cross locking chamber, back strut spring, horizontal bayonet lock, deck, key seat, connecting pin, lock chamber lid, vertical locking device；

The hinge axis of described hinge while being fixed on the side of the vertical end of main door, on the side of vertical end that another side is fixed on secondary door, main door is connected together through the hinges with secondary door, and hinge axis stretches out and is provided with back strut spring in the part beyond flap；Cross locking chamber is on the mid portion of main door and the end of secondary door junction, and the cross locking chamber on main door is corresponding with the position in the cross locking chamber on secondary door；At cross locking intracavity, deck, key seat and horizontal bayonet lock are installed, pin-and-hole is had on key seat and horizontal bayonet lock, the bottom of deck is fixed on the cross locking intracavity on secondary door, the top and bottom in the cross locking chamber that key seat is separately fixed on main door or the bottom of the upper end in cross locking chamber and the bottom of lower end, connecting pin is fixed on horizontal bayonet lock on key seat after the pin-and-hole on horizontal bayonet lock and the pin-and-hole on key seat；Lock chamber lid it is fixed with in the outside in cross locking chamber, the inner end in cross locking chamber, the other end that one end hinge of lock chamber lid or pivot pin are fixed on main door are provided with special cover lock, the refrigerator lock that lock chamber covers coordinates with the inner end in the cross locking chamber on secondary door can close cross locking chamber or open cross locking chamber, the lock chamber lid of the outside in the cross locking chamber closed can limit horizontal bayonet lock and not move in deck, then realizes the main door of locking and secondary door in approximately the same plane.

Surface inside main door is provided with vertical locking device, described vertical locking device includes rotating disk, connecting rod, plug lock, handler, described plug lock is separately fixed at the top and bottom of main door, one end of connecting rod connects plug lock, the other end is connected with rotating disk, has handler in the outside of rotating disk；When described vertical locking device is arranged on the inside of main door, having rotation hole in the position installing handler, handler stretches out the surface of main door from rotation hole；Described vertical locking device uses the mode of rotary motion handle to open or use, and mode that key rotarily drives rotating disk is opened, use key to rotarily drive the mode of rotating disk when opening, the part of the reverse side installing handler at rotating disk has keyhole corresponding with the position of the keyhole on main door or secondary door.

Described hinge includes flap and hinge axis, hinge shaft hole is had on flap, the hinge shaft hole part of two flaps is complementary to one another, and hinge axis links together two flaps through the hinge shaft hole part of two flaps, and back strut spring housing exceedes in the part of pan at hinge axis.

Described horizontal bayonet lock is the lock pin of the straight thick stick formula of the lock pin of straight thick stick formula or band limited location head；When described horizontal bayonet lock is the lock pin of straight thick stick formula of band limited location head, the external diameter of spacing head part is bigger than the external diameter of straight thick stick formula part；Horizontal bayonet lock is used for connecting key seat and deck and main door and secondary door lock being scheduled on approximately the same plane.

Described back strut spring is that the two ends of helical spring have lateral extension, lateral extension to be straight cylinders, and lateral extension is used for laterally urging main door and secondary door rotates around hinge axis and folds.

Described cross locking chamber is rectangular cavity, a part for rectangular cavity on main door, another part is on secondary door.

Described horizontal bayonet lock be main door with secondary door in one plane time, main door and secondary door locking lock pin in one plane；Horizontal bayonet lock does not has one end of pin-and-hole to have dop, and dop coordinates with connecting pin can hold the main door being locked in approximately the same plane and secondary door is not pushed open by back strut spring.

The stand of draw-in groove that described deck is cross locking intracavity that horizontal bayonet lock is stuck on secondary door, that have depression.

Described key seat is the stand of fixing horizontal bayonet lock, stand includes upper part and lower part, upper part is fixed on the upper part in cross locking chamber of main door, lower part is fixed on the lower part in cross locking chamber of main door, and upper part and the lower part of stand have pin-and-hole.

Described lock chamber lid be block cross locking chamber and outer layer protection that horizontal bayonet lock is fixed in key seat, with the lid of special cover lock.

Described plug lock is the lock of the bolt-type driven by connecting rod, the locking end of plug lock towards door outside, connect the end middle part towards door, the connection end portion of plug lock has jack.

Described rotating disk is the disk or oval plate or moving block pulling or promoting connecting rod to drive plug to lock, and has jack on rotating disk.

Described connecting rod is to connect plug lock and the bar of rotating disk or bar, has the bending of 90 ° of 5mm to 15mm in the one or both ends of bar or bar, and the dogleg section of 90 ° is inserted in the jack on rotating disk respectively and inserted and connects plug lock and rotating disk in the jack that plug is locked.

Described handler is the handle connecting rotating disk, is fixed on the outside of rotating disk.

Described main door is relative with secondary door, and main door can exchange with the Name & Location of secondary door, and main door can also exchange with the structure of secondary door.

When mounted, the vertical side main door not being had fixed hinge is fixed on one side of doorframe by hinge, it is with or without installation refrigerator lock in the end of the vertical side not having fixed hinge of secondary door, when being provided with refrigerator lock, refrigerator lock carries out safe lock to elastic foldable refrigerator doors jointly with horizontal bayonet lock and vertical locking device.

Described secondary door can either be worked as the wicket of refrigerator and be used, and can coordinate with main door again and use when the integral door of refrigerator uses or works as foldable refrigerator door.

Described secondary door is just thought when the wicket of refrigerator uses, after closing the doorframe laminating that main door is allowed to refrigerator, it is rotated further by the handler of vertical locking device, handler drives turntable rotation to promote connecting rod, then in the locked groove of the locking end insertion doorframe of promotion plug lock, primary door latch is dead, afterwards, secondary door just employs when the wicket of refrigerator；During the wicket of closing refrigerator, push or pull on secondary door to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, special cap lock handle lock chamber lid on cross locking chamber completes the closedown of the wicket of refrigerator together with being tightly held in cross locking chamber；When opening the wicket of refrigerator, opening lock chamber lid with the key of special cover lock, then move the rotation of horizontal bayonet lock and exit deck, now, secondary door rotates around hinge axis under the promotion of back strut spring and opens the wicket of refrigerator.

Described secondary Men Yuzhu door coordinate and when the integral door of refrigerator uses, secondary door is promoted to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, together with special cap lock handle lock chamber lid on cross locking chamber is tightly held in cross locking chamber, main door and secondary door lock are scheduled in approximately the same plane, afterwards, main door and the just synthesis of secondary door are for an integral door；After synthesizing integral door, opening the door or at closing time, overall gate rotates around hinge axis, and coordinates with refrigerator lock and realize the closedown of the integral door of refrigerator and open.

Described secondary Men Yuzhu door coordinate and when foldable refrigerator door use and at closing time, pull secondary door while hinge axis rotates, main door and secondary door is made also to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, together with special cap lock handle lock chamber lid on cross locking chamber is tightly held in cross locking chamber, main door and secondary door lock are scheduled in approximately the same plane, afterwards, continue to press on secondary door, main door and secondary door is made to fit with doorframe, the refrigerator lock installed on secondary door locks gate on doorframe, complete in the closedown folding large refrigerator.

When described secondary Men Yuzhu door coordinates and opens the door when the use of foldable refrigerator door, first open refrigerator lock with key, the rotating disk of vertical locking device is rotated backward again with key, driven by rotary disc connecting rod pulls the plug lock middle part respectively to main door to draw close and exit in the locked groove of doorframe, opens the locking of vertical locking device；Afterwards, after opening special cover lock with the key of special cover lock, it is rotated further by locking chamber lid and is allowed to separate with cross locking chamber, then pull horizontal bayonet lock to rotate around connecting pin and exit deck；Now, under the promotion of back strut spring, secondary door rotates around hinge axis and is automatically folded to main door, then makes secondary Men Yuzhu door fold and after gathering, continue to press on main door and rotate around hinge axis and make the refrigerator doors of folding fully open.

In order to reduce resistance when relatively rotating between main door and secondary door, use lubricant lubrication hinge axis and hinge shaft hole.

A kind of manufacture method of elastic foldable refrigerator doors, it is characterised in that:

During fabrication, secondary door, main door use one or more materials in metal, plastics, fiberglass, nylon and timber to manufacture, horizontal bayonet lock, deck, key seat, connecting pin and lock chamber lid use metal material or plastics or fiberglass or nylon material manufacture, back strut spring uses spring steel manufacture, hinge axis and flap to use metal material manufacture.

The hinge axis of described hinge while being fixed on the side of the vertical end of main door, on the side of vertical end that another side is fixed on secondary door, main door is connected together through the hinges with secondary door, and hinge axis stretches out and is provided with back strut spring in the part beyond flap；Cross locking chamber manufactures on the mid portion of main door and the end of secondary door junction, and the cross locking chamber that main door manufactures is corresponding with the position in the cross locking chamber manufactured on secondary door；At cross locking intracavity, deck, key seat and horizontal bayonet lock are installed, it is manufactured with pin-and-hole on key seat and horizontal bayonet lock, the bottom of deck is fixed on the cross locking intracavity on secondary door, the top and bottom in the cross locking chamber that key seat is separately fixed on main door or the bottom of the upper end in cross locking chamber and the bottom of lower end, connecting pin is fixed on horizontal bayonet lock on key seat after the pin-and-hole on horizontal bayonet lock and the pin-and-hole on key seat；Lock chamber lid it is fixed with in the outside in cross locking chamber, the inner end in cross locking chamber, the other end that one end hinge of lock chamber lid or pivot pin are fixed on main door are provided with special cover lock, the refrigerator lock that lock chamber covers coordinates with the inner end in the cross locking chamber on secondary door can close cross locking chamber or open cross locking chamber, the lock chamber lid of the outside in the cross locking chamber closed can limit horizontal bayonet lock and not move in deck, then realizes the main door of locking and secondary door in approximately the same plane.

Described back strut spring creates the two ends of helical spring has lateral extension, lateral extension to create straight cylinder, and the part crossed out can laterally urge main door and secondary door rotates around hinge axis and folds.

Described cross locking chamber creates rectangular cavity, and a part for rectangular cavity manufactures on main door, another part manufacture is on secondary door.

Described horizontal bayonet lock create main door with secondary door in one plane time, main door and secondary door locking lock pin in one plane；Horizontal bayonet lock do not have pin-and-hole one end manufacture have dop, dop coordinate with connecting pin can hold the main door being locked in approximately the same plane and pair door do not pushed open by back strut spring.

Described deck creates the stand of the draw-in groove having depression of the cross locking intracavity that horizontal bayonet lock is stuck on secondary door.

Described key seat creates the stand of fixing horizontal bayonet lock, stand creates upper part and lower part, upper part is fixed on the upper part in cross locking chamber of main door, lower part is fixed on the lower part in cross locking chamber of main door, and upper part and the lower part of stand are manufactured with pin-and-hole.

Described lock chamber lid creates and blocks cross locking chamber and the outer layer protection that horizontal bayonet lock is fixed in key seat and the lid with special cover lock.

Surface inside main door is provided with vertical locking device, described vertical locking device creates rotating disk, connecting rod, plug lock, the several part of handler, described plug lock is separately fixed at the top and bottom of main door, one end of connecting rod connects plug lock, the other end is connected with rotating disk, has handler in the outside of rotating disk；When described vertical locking device is arranged on the inside of main door, manufacturing in the position installing handler and have rotation hole, handler stretches out the surface of main door from rotation hole；Described vertical locking device uses the mode of rotary motion handle to open or use, and mode that key rotarily drives rotating disk is opened, when the mode using key to rotarily drive rotating disk is opened, the part of the reverse side of rotating disk installation handler manufactures the position having keyhole, keyhole to manufacture corresponding with the position of the keyhole on main door or secondary door.

Described plug locking causes the lock of bolt-type, create locking end and connect end two parts, locking end towards door outside, connect the end middle part towards door, plug lock connection end portion on manufacture have jack.

Described rotating disk creates the disk or oval plate or moving block pulling or promoting connecting rod to drive plug to lock, and manufactures and have jack on rotating disk.

Described connecting rod creates and connects plug lock and the bar of rotating disk or bar, manufacture the bending of 90 ° that have 5mm to 15mm in the one or both ends of bar or bar, the dogleg section of 90 ° is inserted in the jack on rotating disk respectively and is inserted and connects plug lock and rotating disk in the jack that plug is locked.

Described handler creates the handle connecting rotating disk, is fixed on the outside of rotating disk.

Described elastic foldable refrigerator doors simple for structure, manufacture and easy to use, the amplitude that when taking out thing in refrigerator or thing is put into refrigerator, refrigerator doors is opened is little, can only open secondary door, makes what cold air ran out of in refrigerator to lack, and the market prospect of industrialization is good.

Accompanying drawing explanation

Fig. 1 is the schematic appearance that main door and secondary door combine the installation site illustrating back strut spring；

Fig. 2 and Fig. 3 is main door to be combined with secondary door, cross locking intracavity is provided with the structural representation of horizontal bayonet lock, key seat and deck；

Fig. 4 is that main door is combined with secondary door and is provided with the schematic appearance of vertical locking device on main door；

Fig. 5 is main door and the cross locking intracavity of secondary door bound fraction is provided with the sectional structure schematic diagram of horizontal bayonet lock, key seat and deck.

Shown in figure: main door 1, secondary door 2, hinge 3, cross locking chamber 4, horizontal bayonet lock 5, key seat 6, deck 7, connecting pin 8, lock chamber lid 9, hinge axis 10, back strut spring 11, connecting rod 13, rotating disk 14, handler 15, plug lock 16.

Detailed description of the invention

Elastic foldable refrigerator doors of the present invention mainly includes main door 1, secondary door 2, hinge 3, cross locking chamber 4, back strut spring 11, horizontal bayonet lock 5, deck 7, key seat 6, connecting pin 8, lock chamber lid 9, vertical locking device.

The hinge axis 10 of described hinge 3 while being fixed on the side of the vertical end of main door 1, on the side of vertical end that another side is fixed on secondary door 2, main door 1 is linked together by hinge 3 with secondary door 2, and hinge axis 10 stretches out and is provided with back strut spring 11 in the part beyond flap；Cross locking chamber 4 is on the mid portion of main door 1 and the end of secondary door 2 junction, and the cross locking chamber 4 on main door 1 is corresponding with the position in the cross locking chamber 4 on secondary door 2；Deck 7, key seat 6 and horizontal bayonet lock 5 are installed in cross locking chamber 4, pin-and-hole is had on key seat 6 and horizontal bayonet lock 5, the bottom of deck 7 is fixed in the cross locking chamber 4 on secondary door 2, key seat 6 is separately fixed at the top and bottom in the cross locking chamber 4 on main door 1 or the bottom of the upper end in cross locking chamber 4 and the bottom of lower end, and connecting pin 8 is fixed on horizontal bayonet lock 5 on key seat 6 after the pin-and-hole on horizontal bayonet lock 5 and the pin-and-hole on key seat 6；Lock chamber lid 9 it is fixed with in the outside in cross locking chamber 4, lock one end hinge of chamber lid 9 or pivot pin is fixed on the inner end in cross locking chamber 4 on main door 1, the other end is provided with special cover lock, refrigerator lock on lock chamber lid 9 coordinates with the inner end in the cross locking chamber 4 on secondary door 2 can close cross locking chamber 4 or open cross locking chamber 4, the lock chamber lid 9 of the outside in the cross locking chamber 4 closed can limit horizontal bayonet lock 5 and not move in deck 7, then realizes the main door of locking 1 and secondary door 2 in approximately the same plane.

Surface inside main door 1 is provided with vertical locking device, described vertical locking device includes rotating disk 14, connecting rod 13, plug lock 16, handler 15, described plug lock 16 is separately fixed at the top and bottom of main door 1, one end of connecting rod 13 connects plug lock 16, the other end is connected with rotating disk 14, has handler 15 in the outside of rotating disk 14；When described vertical locking device is arranged on the inside of main door 1, having rotation hole in the position installing handler 15, handler 15 stretches out the surface of main door 1 from rotation hole；Described vertical locking device uses the mode of rotary motion handle 15 to open or use, and mode that key rotarily drives rotating disk 14 is opened, use key to rotarily drive the mode of rotating disk 14 when opening, the part of the reverse side installing handler 15 at rotating disk 14 has keyhole corresponding with the position of the keyhole on main door 1 or secondary door 2.

Described hinge 3 includes flap and hinge axis 10, hinge shaft hole is had on flap, the hinge shaft hole part of two flaps is complementary to one another, hinge axis 10 links together two flaps through the hinge shaft hole part of two flaps, and back strut spring 11 is enclosed within hinge axis 10 and exceedes in the part of pan.

Described horizontal bayonet lock 5 is the lock pin of the straight thick stick formula of the lock pin of straight thick stick formula or band limited location head；When described horizontal bayonet lock 5 is the lock pin of straight thick stick formula of band limited location head, the external diameter of spacing head part is bigger than the external diameter of straight thick stick formula part；Horizontal bayonet lock 5 is used for connecting key seat 6 and deck 7 and main door 1 and secondary door 2 being locked in approximately the same plane.

Described back strut spring 11 is that the two ends of helical spring have lateral extension, lateral extension to be straight cylinders, and lateral extension is used for laterally urging main door 1 and secondary door 2 rotates around hinge axis 10 and folds.

Described cross locking chamber 4 is rectangular cavity, a part for rectangular cavity on main door 1, another part is on secondary door 2.

Described horizontal bayonet lock 5 be main door 1 with secondary door 2 in one plane time, main door 1 is locked lock pin in one plane with secondary door 2；Horizontal bayonet lock 5 does not has one end of pin-and-hole to have dop, and dop coordinates with connecting pin 8 can hold the main door 1 being locked in approximately the same plane and secondary door 2 is not pushed open by back strut spring 11.

Described deck 7 is the stand of draw-in groove that horizontal bayonet lock 5 is stuck in the cross locking chamber 4 on secondary door 2, that have depression.

Described key seat 6 is the stand of fixing horizontal bayonet lock 5, stand includes upper part and lower part, upper part is fixed on the upper part in cross locking chamber 4 of main door 1, lower part is fixed on the lower part in cross locking chamber 4 of main door 1, and upper part and the lower part of stand have pin-and-hole.

Described lock chamber lid 9 be block cross locking chamber 4 and outer layer protection that horizontal bayonet lock 5 is fixed in key seat 6, with the lid of special cover lock.

Described plug lock 16 is the lock of the bolt-type driven by connecting rod 13, the locking end of plug lock 16 towards door outside, connect the end middle part towards door, the connection end portion of plug lock 16 has jack.

Described rotating disk 14 is disk or oval plate or the moving block pulling or promoting connecting rod 13 to drive plug lock 16, has jack on rotating disk 14.

Described connecting rod 13 is to connect plug lock 16 and the bar of rotating disk 14 or bar, have the bending of 90 ° of 5mm to 15mm in the one or both ends of bar or bar, the dogleg section of 90 ° is inserted in the jack on rotating disk 14 respectively and connects plug lock 16 and rotating disk 14 in the jack that inserts on plug lock 16.

Described handler 15 is the handle connecting rotating disk 14, is fixed on the outside of rotating disk 14.

Described main door 1 is relative with secondary door 2, and main door 1 can exchange with the Name & Location of secondary door 2, and main door 1 can also exchange with the structure of secondary door 2.

In order to reduce resistance when relatively rotating between main door 1 and secondary door 2, use lubricant lubrication hinge axis 10 and hinge shaft hole.

When mounted, the vertical side main door 1 not being had fixed hinge 3 is fixed on one side of doorframe by hinge, it is with or without installation refrigerator lock in the end of the vertical side not having fixed hinge 3 of secondary door 2, when being provided with refrigerator lock, refrigerator lock carries out safe lock to elastic foldable refrigerator doors jointly with horizontal bayonet lock 5 and vertical locking device.

Described secondary door 2 can either be worked as the wicket of refrigerator and be used, and can coordinate with main door 1 again and use when the integral door of refrigerator uses or works as foldable refrigerator door.

Described secondary door 2 is just thought when the wicket of refrigerator uses, after closing the doorframe laminating that main door 1 is allowed to refrigerator, it is rotated further by the handler 15 of vertical locking device, handler 15 drives rotating disk 14 to rotate and promote connecting rod 13, then locked for main door 1 in the locked groove of the locking end insertion doorframe of promotion plug lock 16, afterwards, secondary door 2 just employs when the wicket of refrigerator；During the wicket of closing refrigerator, push or pull on secondary door 2 to rotate around hinge axis 10, when secondary door 2 turns to main door 1 in approximately the same plane, move horizontal bayonet lock 5 in the cross locking chamber 4 on main door 1 to rotate around connecting pin 8 and main door 1 and pair door 2 are linked together in entering the deck 7 in the cross locking chamber 4 on secondary door 2, it is rotated further by locking chamber lid 9 afterwards to be allowed to a cross locking chamber 4 to cover 9 good, special cap lock handle lock chamber lid on cross locking chamber 49 completes the closedown of the wicket of refrigerator together with being tightly held in cross locking chamber 4；When opening the wicket of refrigerator, opening lock chamber lid 9 with the key of special cover lock, then move horizontal bayonet lock 5 and rotate and exit deck 7, now, secondary door 2 rotates around hinge axis 10 under the promotion of back strut spring 11 and opens the wicket of refrigerator.

Described secondary door 2 coordinate with main door 1 and when refrigerator integral door use time, secondary door 2 is promoted to rotate around hinge axis 10, when secondary door 2 turns to main door 1 in approximately the same plane, move horizontal bayonet lock 5 in the cross locking chamber 4 on main door 1 to rotate around connecting pin 8 and main door 1 and pair door 2 are linked together in entering the deck 7 in the cross locking chamber 4 on secondary door 2, it is rotated further by locking chamber lid 9 afterwards to be allowed to a cross locking chamber 4 to cover 9 good, together with special cap lock handle lock chamber lid on cross locking chamber 49 is tightly held in cross locking chamber 4, main door 1 and pair door 2 are locked in approximately the same plane, afterwards, main door 1 and secondary door 2 just synthesis are for an integral door；After synthesizing integral door, opening the door or at closing time, overall gate rotates around hinge axis, and coordinates with refrigerator lock and realize the closedown of the integral door of refrigerator and open.

nullDescribed secondary door 2 coordinate with main door 1 and when foldable refrigerator door use and at closing time，Pull secondary door 2 while hinge axis 10 rotates，Main door 1 and secondary door 2 is made also to rotate around hinge axis，When secondary door 2 turns to main door 1 in approximately the same plane，Move horizontal bayonet lock 5 in the cross locking chamber 4 on main door 1 to rotate around connecting pin 8 and main door 1 is linked together with pair door 2 in entering the deck 7 in the cross locking chamber 4 on secondary door 2，It is rotated further by locking chamber lid 9 afterwards to be allowed to a cross locking chamber 4 to cover 9 good，Together with special cap lock handle lock chamber lid on cross locking chamber 49 is tightly held in cross locking chamber 4, main door 1 is locked in approximately the same plane with pair door 2，Afterwards，Continue to press on secondary door 2，Main door 1 and secondary door 2 is made to fit with doorframe，The refrigerator lock installed on secondary door 2 locks gate on doorframe，Complete in the closedown folding large refrigerator.

When described secondary door 2 coordinates with main door 1 and opens the door when the use of foldable refrigerator door, first open refrigerator lock with key, the rotating disk 14 of vertical locking device is rotated backward again with key, rotating disk 14 drives connecting rod 13 to pull plug lock 16 to draw close to the middle part of main door 1 respectively and exit in the locked groove of doorframe, opens the locking of vertical locking device；Afterwards, after opening special cover lock with the key of special cover lock, it is rotated further by locking chamber lid 9 and is allowed to separate with cross locking chamber 4, then pull horizontal bayonet lock 5 to rotate around connecting pin 8 and exit deck 7；Now, under the promotion of back strut spring 11, secondary door 2 rotates around hinge axis 10 and is automatically folded to main door 1, after then making pair door 2 and main door 1 fold and draw in, continues to press on main door 1 and rotates around hinge axis and make the refrigerator doors of folding fully open.

Claims

1. an elastic foldable refrigerator doors, it is characterised in that: described elastic foldable refrigerator doors includes main door, secondary door, hinge, cross locking chamber, back strut spring, horizontal bayonet lock, deck, key seat, connecting pin, lock chamber lid, vertical locking device；

The hinge axis of described hinge while being fixed on the side of the vertical end of main door, on the side of vertical end that another side is fixed on secondary door, main door is connected together through the hinges with secondary door, and hinge axis stretches out and is provided with back strut spring in the part beyond flap；Cross locking chamber is on the mid portion of main door and the end of secondary door junction, and the cross locking chamber on main door is corresponding with the position in the cross locking chamber on secondary door；At cross locking intracavity, deck, key seat and horizontal bayonet lock are installed, pin-and-hole is had on key seat and horizontal bayonet lock, the bottom of deck is fixed on the cross locking intracavity on secondary door, the top and bottom in the cross locking chamber that key seat is separately fixed on main door or the bottom of the upper end in cross locking chamber and the bottom of lower end, connecting pin is fixed on horizontal bayonet lock on key seat after the pin-and-hole on horizontal bayonet lock and the pin-and-hole on key seat；Lock chamber lid it is fixed with in the outside in cross locking chamber, the inner end in cross locking chamber, the other end that one end hinge of lock chamber lid or pivot pin are fixed on main door are provided with special cover lock, the refrigerator lock that lock chamber covers coordinates with the inner end in the cross locking chamber on secondary door can close cross locking chamber or open cross locking chamber, the lock chamber lid of the outside in the cross locking chamber closed can limit horizontal bayonet lock and not move in deck, then realizes the main door of locking and secondary door in approximately the same plane；

Surface inside main door is provided with vertical locking device, described vertical locking device includes rotating disk, connecting rod, plug lock, handler, described plug lock is separately fixed at the top and bottom of main door, one end of connecting rod connects plug lock, the other end is connected with rotating disk, has handler in the outside of rotating disk；When described vertical locking device is arranged on the inside of main door, having rotation hole in the position installing handler, handler stretches out the surface of main door from rotation hole；Described vertical locking device uses the mode of rotary motion handle to open or use, and mode that key rotarily drives rotating disk is opened, use key to rotarily drive the mode of rotating disk when opening, the part of the reverse side installing handler at rotating disk has keyhole corresponding with the position of the keyhole on main door or secondary door；

Described hinge includes flap and hinge axis, hinge shaft hole is had on flap, the hinge shaft hole part of two flaps is complementary to one another, and hinge axis links together two flaps through the hinge shaft hole part of two flaps, and back strut spring housing exceedes in the part of pan at hinge axis；

Described horizontal bayonet lock is the lock pin of the straight thick stick formula of the lock pin of straight thick stick formula or band limited location head；When described horizontal bayonet lock is the lock pin of straight thick stick formula of band limited location head, the external diameter of spacing head part is bigger than the external diameter of straight thick stick formula part；Horizontal bayonet lock is used for connecting key seat and deck and main door and secondary door lock being scheduled on approximately the same plane；

Described back strut spring is that the two ends of helical spring have lateral extension, lateral extension to be straight cylinders, and lateral extension is used for laterally urging main door and secondary door rotates around hinge axis and folds；

Described cross locking chamber is rectangular cavity, a part for rectangular cavity on main door, another part is on secondary door；

Described horizontal bayonet lock be main door with secondary door in one plane time, main door and secondary door locking lock pin in one plane；Horizontal bayonet lock does not has one end of pin-and-hole to have dop, and dop coordinates with connecting pin can hold the main door being locked in approximately the same plane and secondary door is not pushed open by back strut spring；

The stand of draw-in groove that described deck is cross locking intracavity that horizontal bayonet lock is stuck on secondary door, that have depression；

Described key seat is the stand of fixing horizontal bayonet lock, stand includes upper part and lower part, upper part is fixed on the upper part in cross locking chamber of main door, lower part is fixed on the lower part in cross locking chamber of main door, and upper part and the lower part of stand have pin-and-hole；

Described lock chamber lid be block cross locking chamber and outer layer protection that horizontal bayonet lock is fixed in key seat, with the lid of special cover lock；

Described plug lock is the lock of the bolt-type driven by connecting rod, the locking end of plug lock towards door outside, connect the end middle part towards door, the connection end portion of plug lock has jack；

Described rotating disk is the disk or oval plate or moving block pulling or promoting connecting rod to drive plug to lock, and has jack on rotating disk；

Described connecting rod is to connect plug lock and the bar of rotating disk or bar, has the bending of 90 ° of 5mm to 15mm in the one or both ends of bar or bar, and the dogleg section of 90 ° is inserted in the jack on rotating disk respectively and inserted and connects plug lock and rotating disk in the jack that plug is locked；

Described handler is the handle connecting rotating disk, is fixed on the outside of rotating disk；

Described main door is relative with secondary door, and main door can exchange with the Name & Location of secondary door, and main door can also exchange with the structure of secondary door；

When mounted, the vertical side main door not being had fixed hinge is fixed on one side of doorframe by hinge, it is with or without installation refrigerator lock in the end of the vertical side not having fixed hinge of secondary door, when being provided with refrigerator lock, refrigerator lock carries out safe lock to elastic foldable refrigerator doors jointly with horizontal bayonet lock and vertical locking device；

Described secondary door can either be worked as the wicket of refrigerator and be used, and can coordinate with main door again and use when the integral door of refrigerator uses or works as foldable refrigerator door；

Described secondary door is just thought when the wicket of refrigerator uses, after closing the doorframe laminating that main door is allowed to refrigerator, it is rotated further by the handler of vertical locking device, handler drives turntable rotation to promote connecting rod, then in the locked groove of the locking end insertion doorframe of promotion plug lock, primary door latch is dead, afterwards, secondary door just employs when the wicket of refrigerator；During the wicket of closing refrigerator, push or pull on secondary door to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, special cap lock handle lock chamber lid on cross locking chamber completes the closedown of the wicket of refrigerator together with being tightly held in cross locking chamber；When opening the wicket of refrigerator, opening lock chamber lid with the key of special cover lock, then move the rotation of horizontal bayonet lock and exit deck, now, secondary door rotates around hinge axis under the promotion of back strut spring and opens the wicket of refrigerator；

Described secondary Men Yuzhu door coordinate and when the integral door of refrigerator uses, secondary door is promoted to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, together with special cap lock handle lock chamber lid on cross locking chamber is tightly held in cross locking chamber, main door and secondary door lock are scheduled in approximately the same plane, afterwards, main door and the just synthesis of secondary door are for an integral door；After synthesizing integral door, opening the door or at closing time, overall gate rotates around hinge axis, and coordinates with refrigerator lock and realize the closedown of the integral door of refrigerator and open；

Described secondary Men Yuzhu door coordinate and when foldable refrigerator door use and at closing time, pull secondary door while hinge axis rotates, main door and secondary door is made also to rotate around hinge axis, when secondary door turns to main door in approximately the same plane, move the horizontal bayonet lock of the cross locking intracavity on main door to rotate around connecting pin and main door and pair door are linked together in entering the deck of the cross locking intracavity on secondary door, it is rotated further by locking chamber lid afterwards to be allowed to a cross locking chamber and build, together with special cap lock handle lock chamber lid on cross locking chamber is tightly held in cross locking chamber, main door and secondary door lock are scheduled in approximately the same plane, afterwards, continue to press on secondary door, main door and secondary door is made to fit with doorframe, the refrigerator lock installed on secondary door locks gate on doorframe, complete in the closedown folding large refrigerator；

Elastic foldable refrigerator doors the most according to claim 1, it is characterised in that: in order to reduce resistance when relatively rotating between main door and secondary door, use lubricant lubrication hinge axis and hinge shaft hole.

3. the manufacture method of an elastic foldable refrigerator doors, it is characterized in that: during fabrication, secondary door, main door use one or more materials in metal, plastics, fiberglass, nylon and timber to manufacture, horizontal bayonet lock, deck, key seat, connecting pin and lock chamber lid use metal material or plastics or fiberglass or nylon material manufacture, back strut spring uses spring steel manufacture, hinge axis and flap to use metal material manufacture；

The hinge axis of described hinge while being fixed on the side of the vertical end of main door, on the side of vertical end that another side is fixed on secondary door, main door is connected together through the hinges with secondary door, and hinge axis stretches out and is provided with back strut spring in the part beyond flap；Cross locking chamber manufactures on the mid portion of main door and the end of secondary door junction, and the cross locking chamber that main door manufactures is corresponding with the position in the cross locking chamber manufactured on secondary door；At cross locking intracavity, deck, key seat and horizontal bayonet lock are installed, it is manufactured with pin-and-hole on key seat and horizontal bayonet lock, the bottom of deck is fixed on the cross locking intracavity on secondary door, the top and bottom in the cross locking chamber that key seat is separately fixed on main door or the bottom of the upper end in cross locking chamber and the bottom of lower end, connecting pin is fixed on horizontal bayonet lock on key seat after the pin-and-hole on horizontal bayonet lock and the pin-and-hole on key seat；Lock chamber lid it is fixed with in the outside in cross locking chamber, the inner end in cross locking chamber, the other end that one end hinge of lock chamber lid or pivot pin are fixed on main door are provided with special cover lock, the refrigerator lock that lock chamber covers coordinates with the inner end in the cross locking chamber on secondary door can close cross locking chamber or open cross locking chamber, the lock chamber lid of the outside in the cross locking chamber closed can limit horizontal bayonet lock and not move in deck, then realizes the main door of locking and secondary door in approximately the same plane；

Described back strut spring creates the two ends of helical spring has lateral extension, lateral extension to create straight cylinder, and the part crossed out can laterally urge main door and secondary door rotates around hinge axis and folds；

Described cross locking chamber creates rectangular cavity, and a part for rectangular cavity manufactures on main door, another part manufacture is on secondary door；

Described horizontal bayonet lock create main door with secondary door in one plane time, main door and secondary door locking lock pin in one plane；Horizontal bayonet lock do not have pin-and-hole one end manufacture have dop, dop coordinate with connecting pin can hold the main door being locked in approximately the same plane and pair door do not pushed open by back strut spring；

Described deck creates the stand of the draw-in groove having depression of the cross locking intracavity that horizontal bayonet lock is stuck on secondary door；

Described key seat creates the stand of fixing horizontal bayonet lock, stand creates upper part and lower part, upper part is fixed on the upper part in cross locking chamber of main door, lower part is fixed on the lower part in cross locking chamber of main door, and upper part and the lower part of stand are manufactured with pin-and-hole；

Described lock chamber lid creates and blocks cross locking chamber and the outer layer protection that horizontal bayonet lock is fixed in key seat and the lid with special cover lock；

Surface inside main door is provided with vertical locking device, described vertical locking device creates rotating disk, connecting rod, plug lock, the several part of handler, described plug lock is separately fixed at the top and bottom of main door, one end of connecting rod connects plug lock, the other end is connected with rotating disk, has handler in the outside of rotating disk；When described vertical locking device is arranged on the inside of main door, manufacturing in the position installing handler and have rotation hole, handler stretches out the surface of main door from rotation hole；Described vertical locking device uses the mode of rotary motion handle to open or use, and mode that key rotarily drives rotating disk is opened, when the mode using key to rotarily drive rotating disk is opened, the part of the reverse side of rotating disk installation handler manufactures the position having keyhole, keyhole to manufacture corresponding with the position of the keyhole on main door or secondary door；

Described plug locking causes the lock of bolt-type, create locking end and connect end two parts, locking end towards door outside, connect the end middle part towards door, plug lock connection end portion on manufacture have jack；

Described rotating disk creates the disk or oval plate or moving block pulling or promoting connecting rod to drive plug to lock, and manufactures and have jack on rotating disk；

Described connecting rod creates and connects plug lock and the bar of rotating disk or bar, manufacture the bending of 90 ° that have 5mm to 15mm in the one or both ends of bar or bar, the dogleg section of 90 ° is inserted in the jack on rotating disk respectively and is inserted and connects plug lock and rotating disk in the jack that plug is locked；