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

Turn back energy-saving refrigerator door Download PDF

Info

Publication number
CN205784186U
CN205784186U CN201620630112.XU CN201620630112U CN205784186U CN 205784186 U CN205784186 U CN 205784186U CN 201620630112 U CN201620630112 U CN 201620630112U CN 205784186 U CN205784186 U CN 205784186U
Authority
CN
China
Prior art keywords
door
lock
main door
main
axis hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620630112.XU
Other languages
Chinese (zh)
Inventor
徐子云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Jiangnan Group Co., Ltd.
Original Assignee
Chongqing Shizhan Science and Technology Development Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Shizhan Science and Technology Development Center filed Critical Chongqing Shizhan Science and Technology Development Center
Priority to CN201620630112.XU priority Critical patent/CN205784186U/en
Application granted granted Critical
Publication of CN205784186U publication Critical patent/CN205784186U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

One is turned back energy-saving refrigerator door, belongs to refrigerator doors field, and its main door has axis hole with the longitudinal direction of secondary door junction, and door-hinge inserts and connects main door and secondary door in axis hole, and jump ring limits the upper and lower play of door-hinge in jump-ring slot;The junction of main door and secondary door has the end of the projection of axis hole to be 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 is plane entirety locking device, main door is provided with pin lock.Turn back energy-saving refrigerator door simple for structure, manufacture and easy to use, when need not open the biggest door at ordinary times, can only open secondary door, the amplitude that when taking out thing in refrigerator or thing is put into refrigerator, refrigerator doors is opened is little, make what cold air ran out of in refrigerator to lack, saving the energy, the market prospect of industrialization is good.

Description

Turn back energy-saving refrigerator door
Technical field
This utility model relates to the one in refrigerator field and turns back energy-saving refrigerator door.
Background technology
The double door that traditional refrigerator doors is all all-in-one-piece simple gate or both sides are opened, the amplitude of the enabling of monoblock type simple gate Greatly, can not turn back in the middle part of door.
Summary of the invention
The purpose that this utility model relates to is to provide for the energy-saving refrigerator door of turning back can turned back in the middle part of a kind of.
For achieving the above object, energy-saving refrigerator door of turning back described in the utility model mainly include main door, secondary door, axis hole, Door-hinge, 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 With top and the projection of bottom of the junction through main door, there is card in the axis hole end of the top and bottom near main door Spring groove, door-hinge inserts and connects main door and secondary door in axis hole, and door-hinge limits door by the jump ring being arranged in jump-ring slot in axis hole The upper and lower play of axle, main door and secondary 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 be convex globoidal, 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 Lockhole, rotate lock dog, be rotationally connected axle, handle and key lock, the cancave cambered surface of main door has and rotates chamber and stretch into the door body of main door In, 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 on lock dog Have connecting hole, be rotationally connected axle insert in connecting hole with connecting hole interference fit and fixing or fixed by key and keyway, rotation Connecting shaft insert in the axle lockhole rotated outside chamber through one end after connecting hole be connected with the handle being arranged on main door inner surface, The other end inserts 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 When the locking end of rotary motion lock dog enters in the lock chamber in secondary door in the keyhole of spoon insertion key lock, rotate lock dog and exist simultaneously In the lock chamber of secondary door and in the rotation chamber of main door, main door defines an all-in-one-piece straight door with secondary door;Rotating lock dog When locking 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 Point, 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 convex globoidal with Cancave cambered surface coordinates, enable main door and secondary door when rotating around door-hinge close fit and do not leak cold air and make main door and pair door There is not conflict phenomenon.
Described rotation chamber is to allow rotate the cavity that lock dog rotates.
Described lock chamber is the cavity allowing the locking end rotating lock dog proceed to;The bottom in described lock chamber is higher than rotating chamber Bottom and make the locking end of rotation lock dog when rotating into lock intracavity, have fixing locking position, then make the locking end of rotation lock dog not Unconfined rotation can be produced.
Described axle lockhole includes inboard aperture and apertura lateralis, and inboard aperture is to be rotationally connected the hole that axle inserts, and apertura lateralis is peace The hole of dress key lock.
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.
Described handle is the handle rotating lock dog.
Described key lock is the lock having keyhole and latch functions, and keyhole is on lock core.
Described main door is relative with secondary door, and main door can exchange with the Name & Location of secondary door, main door and secondary door Structure can also be exchanged.
When mounted, main door do not have axis hole by hinge be fixed on refrigerator doorframe on, at secondary door Do not have axis hole while loading onto refrigerator lock or not installing refrigerator lock, when refrigerator lock is installed, refrigerator lock and plane entirety lock dress Put doubling common with pin lock to turn energy-saving refrigerator door and carry out locking.
Described secondary door can either be worked as the wicket of refrigerator and be used, can coordinate with main door again and when overall refrigerator doors use or When foldable refrigerator door uses.
In order to reduce resistance when relatively rotating between main door and secondary door, in axis hole, it is inlaid with lining or be provided with trackslips Set.
In order to make main door and secondary door be arranged on doorframe convenient use, the junction of described secondary door and the junction of main door It is complementary to one another,
Can turn back around door-hinge is relative between main door with secondary door.
In order to enable secondary door and main door to turn back around door-hinge, described door-hinge is d-axis;In order to make main door and secondary door around Can be overlapping when door-hinge is turned back, described door can also axle be bent axle;Described bent axle is that mid portion is at a right angle turns back, and turns back After vertical section be axle, lateral part be to support, upper part and lower sections of axle on the same line, upper part and Lower sections of axle is parallel with the axle of mid portion, and upper part and lower sections of axle insert in the axis hole of main door, pars intermedia Point axle insert in the axis hole of secondary door, when secondary Men Yuzhu door relatively rotates, the axis hole of pair door with the axis hole of main door not same On straight line, then it is capable of overlap.
In order to enable rotation lock dog to rotate in rotating chamber and lock chamber, the position of the described connecting hole rotated on lock dog At the end or the middle part that rotate lock dog.
Described energy-saving refrigerator door of turning back simple for structure, manufacture and easy to use, open the biggest door need not at ordinary times Time, can only open secondary door, the amplitude that when taking out thing in refrigerator or thing is put into refrigerator, refrigerator doors is opened is little, makes cold air That runs out of in refrigerator lacks, and saves the energy, and the market prospect of industrialization is good.
Accompanying drawing explanation
Fig. 1 is the schematic appearance that main door is combined with secondary door;
Fig. 2 is the schematic appearance of the top view that main door is combined with secondary door;
Fig. 3 is the schematic appearance of the top view of main door;
Fig. 4 is the schematic appearance of the top view of secondary door;
Fig. 5 is the schematic appearance of main door;
Fig. 6 is the schematic appearance of secondary door;
Fig. 7 is the sectional structure schematic diagram that plane entirety locking device was combined, was fitted without to main door and secondary door;
Fig. 8 is the sectional structure schematic diagram that plane entirety locking device was combined, was provided with to main door and secondary door;
Fig. 9 is that main door is combined with secondary door and is provided with the schematic appearance of pin lock on main door.
Shown in figure: main door 1, secondary door 2, axis hole 3, door-hinge 4, cancave cambered surface 5, convex globoidal 6, lock chamber 7, rotation chamber 8, axle lockhole 9, it is rotationally connected axle 10, handle 11, rotates lock dog 12, pin lock 13.
Detailed description of the invention
This utility model energy-saving refrigerator door of turning back mainly includes main door 1, secondary door 2, axis hole 3, door-hinge 4, plane entirety lock dress Put, pin lock;
Described main door 1 has axis hole 3 with the longitudinal direction of secondary door 2 junction, convex through in the middle part of the junction of secondary door 2 of axis hole 3 Go out part and the projection of top and bottom of the junction through main door 1, at the axis hole of the top and bottom near main door 1 There are jump-ring slot, door-hinge 4 to insert in axis hole 3 to connect main door 1 and secondary door 2 in 3 ends, door-hinge 4 in axis hole 3 by being arranged on jump-ring slot In jump ring limit door-hinge 4 about play, main door 1 can be around the relative rotation of door-hinge 4 with pair door 2;Main door 1 and the company of secondary door 2 The place of connecing has the end of the projection of axis hole 3 to be convex globoidal 6, and the junction of main door 1 and secondary door 2 does not has the end of the part of axis hole 3 Portion is cancave cambered surface 5.
Main door 1 and secondary door 2 there are plane entirety locking device, described plane entirety locking device include rotating chamber 8, lock chamber 7, axle lockhole 9, rotate lock dog 12, be rotationally connected axle 10, handle 11 and key lock, the cancave cambered surface 5 of main door 1 has rotation chamber 8 Stretch in the door body of main door 1, the convex globoidal 6 of secondary door 2 has lock chamber 7 stretch in the door body of secondary door 2;Install in rotating chamber 8 Have rotation lock dog 12, rotate on lock dog 12 and have connecting hole, be rotationally connected axle 10 insert in connecting hole with connecting hole interference fit and Fix or fixed by key and keyway, being rotationally connected one end after axle 10 passes connecting hole and insert in the axle lockhole 9 rotated outside chamber 8 Be connected with the handle 11 being arranged on main door 1 inner surface, the other end inserts in the axle lockhole 9 rotated outside chamber 8 and is arranged on master The lock core of the key lock outside door 1 connects;With handle 11 or with key insert key lock keyhole in rotary motion lock dog 12 Locking end when entering in the lock chamber 7 in secondary door 2, rotate lock dog 12 simultaneously in the lock chamber 7 of secondary door 2 and in the rotation of main door 1 In chamber 8, main door 1 defines an all-in-one-piece straight door with secondary door 2;Secondary door 2 is not proceeded at the locking end rotating lock dog 12 Time in lock chamber 7, rotation lock dog 12 is in the rotation chamber 8 of main door 1, and main door 1 can relatively rotate with secondary door 2.
Being provided with pin lock 13 on the surface of the top and bottom of main door 1, described pin lock includes lock portion and hands 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 6 is the arcwall face protruded;Described cancave cambered surface 5 is the arcwall face of depression;Described convex globoidal 6 Coordinate with cancave cambered surface 5, enable main door 1 and secondary door 2 when rotating around door-hinge 4 close fit and do not leak cold air and make main door Conflict phenomenon is there is not with secondary door.
The described chamber 8 that rotates is to allow rotate the cavity that lock dog 12 rotates.
Described lock chamber 7 is the cavity allowing the locking end rotating lock dog 12 proceed to;The bottom in described lock chamber 7 is higher than rotating The bottom in chamber 8 and make the locking end of rotation lock dog 12 have fixing locking position when rotating in lock chamber 7, then make rotation lock dog 12 Locking end will not produce unconfined rotation.
Described axle lockhole 9 includes inboard aperture and apertura lateralis, and inboard aperture is to be rotationally connected the hole that axle 10 inserts, and apertura lateralis is The hole of key lock is installed.
Described rotation lock dog 12 is blocks, has connecting hole rotating on lock dog 12.
The described axle 10 that is rotationally connected is to rotate lock dog 12 to connect the connector of handle 11 and key lock.
Described handle 11 is the handle rotating lock dog 12.
Described key lock is the lock having keyhole and latch functions, and keyhole is on lock core.
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 is with secondary The structure of door 2 can also be exchanged.
When mounted, main door 1 do not have axis hole 3 by hinge be fixed on refrigerator doorframe on, in pair Door 2 do not have axis hole 3 while loading onto refrigerator lock or not installing refrigerator lock, when being provided with refrigerator lock, refrigerator lock and plane are overall Locking device and the common doubling of pin lock turn energy-saving refrigerator door and carry out locking.
In order to reduce resistance when relatively rotating between main door 1 and secondary door 2, in axis hole 3, it is inlaid with lining or is provided with Trackslip set.
In order to make main door 1 and secondary door 2 be arranged on doorframe convenient use, the junction of described secondary door 2 and the company of main door 1 The place of connecing is complementary to one another,
Can turn back around door-hinge 4 is relative between main door 1 with secondary door 2.
In order to make secondary door 2 and main door 1 can turn back around door-hinge 4, described door-hinge 4 is d-axis;In order to make main door 1 and secondary door 2 can be overlapping when turning back around door-hinge 4, and described door can also axle be bent axle;Described bent axle is mid portion folding at a right angle Turn, the vertical section after turning back be axle, lateral part be to support, upper part and lower sections of axle on the same line, on Face part is parallel with the axle of mid portion with lower sections of axle, and upper part and lower sections of axle insert the axis hole 3 of main door 1 In, the axle of mid portion inserts in the axis hole 3 of secondary door 2, when secondary door 2 relatively rotates with main door 1, and the axis hole 3 of secondary door 2 and main door The axis hole 3 of 1 the most on the same line, is capable of overlap then.
In order to enable rotation lock dog to rotate in rotating chamber and lock chamber, the position of the described connecting hole rotated on lock dog At the end or the middle part that rotate lock dog.
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 work as overall refrigerator doors and use Or when foldable refrigerator door uses.
Described secondary door 2 is just thought when the wicket of refrigerator uses, close that main door 1 is allowed to refrigerator fit with doorframe after, then push away The handle portion of dynamic pin lock 13 inserts in the locked groove of doorframe the lock portion of pin lock 13 locked for main door 1, afterwards, and pair door 2 just employ when wicket;When closing wicket, push or pull on secondary door 2 and rotate around door-hinge 4, when secondary door 2 turns to main door 1 same Time in one plane, in door, turning handle 11 drives rotation lock dog 12 to rotate, and is rotating lock dog 12 by key turns outdoors, is turning The locking end of dynamic lock dog 12 is locked in secondary door 2 and main door 1 approximately the same plane in entering lock chamber 7 in rotating chamber 8, completes little The closedown of door;When opening wicket, rotate backward rotation lock dog 12, when door inward swinging door by handle 11 when opening the door outdoors with key Rotating backward rotation lock dog 12, the locking end rotating lock dog 12 produces in the lockhole of secondary door 2 and makes rotation lock dog 12 enter completely Enter to rotate in chamber 8, open the locking of plane entirety locking device.
Described secondary door 2 coordinates with main door 1 and when overall refrigerator doors uses, promotes secondary door 2 to rotate around door-hinge 4, works as pair When door 2 turns to main door 1 in approximately the same plane, turning handle 11 drives and rotates lock dog 12 and rotate or rotate by key turns Lock dog 12, the locking end rotating lock dog 12 is locked in approximately the same plane secondary door 2 and main door 1 in entrance lock chamber 7 in rotation chamber 8 On, afterwards, main door 1 has just synthesized an overall refrigerator doors with secondary door 2;After synthesizing overall refrigerator doors, opening the door or at closing time, Overall refrigerator doors rotates around hinge axis, and coordinates with refrigerator lock and realize shutting and opening of overall refrigerator doors.
Described secondary door 2 coordinates with main door 1 and uses when foldable refrigerator door and at closing time, promote secondary door 2 to rotate around door-hinge 4 While, make main door 1 and secondary door 2 also rotate around hinge axis, when pair door 2 turns to main door 1 in approximately the same plane, use key Spoon rotates lock dog 12, and the locking end of rotation lock dog 12 in entering lock chamber 7 in rotating chamber 8 is locked in pair door 2 and main door 1 In approximately the same plane, afterwards, pull on secondary door 2, make main door 1 and secondary door 2 fit with doorframe, the refrigerator lock that secondary door 2 is installed Doorframe locks refrigerator doors, completes to close the door outdoors at foldable refrigerator.
Described secondary door 2 coordinates with main door 1 and when foldable refrigerator door uses and opens the door, first opens refrigerator lock with key; Afterwards, rotating lock dog 12 by key turns, the locking end rotating lock dog 12 produces in lock chamber 7, opens plane entirety lock The locking of device;Afterwards, promoting secondary door 2 while door-hinge 4 rotates, secondary door 2 also revolves at the hinge axis on doorframe with main door 1 Turning, secondary door 2 is turned back with main door 1 and is drawn in, opens gate.

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.
CN201620630112.XU 2016-06-24 2016-06-24 Turn back energy-saving refrigerator door Active CN205784186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620630112.XU CN205784186U (en) 2016-06-24 2016-06-24 Turn back energy-saving refrigerator door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620630112.XU CN205784186U (en) 2016-06-24 2016-06-24 Turn back energy-saving refrigerator door

Publications (1)

Publication Number Publication Date
CN205784186U true CN205784186U (en) 2016-12-07

Family

ID=58130110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620630112.XU Active CN205784186U (en) 2016-06-24 2016-06-24 Turn back energy-saving refrigerator door

Country Status (1)

Country Link
CN (1) CN205784186U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110726278A (en) * 2018-07-17 2020-01-24 大宇电子株式会社 Foldable door for refrigerator
CN111181280A (en) * 2019-04-11 2020-05-19 浙江大学 Magnetic pole fixing device of permanent magnet wind driven generator and permanent magnet wind driven generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110726278A (en) * 2018-07-17 2020-01-24 大宇电子株式会社 Foldable door for refrigerator
CN111181280A (en) * 2019-04-11 2020-05-19 浙江大学 Magnetic pole fixing device of permanent magnet wind driven generator and permanent magnet wind driven generator

Similar Documents

Publication Publication Date Title
CN205784186U (en) Turn back energy-saving refrigerator door
CN205784187U (en) Turn back refrigerator energy-saving door
CN106761268A (en) The antitheft composite door of formula of turning back
CN205784185U (en) Energy-conservation refrigerator doors of turning back
CN106050081A (en) Folding safe combination door
CN106050082A (en) Folding combination door
CN205373213U (en) Take refrigerator of slidingtype door body
CN106088972A (en) Collapsible combination safety door
CN106121474A (en) Folding safety composite door
CN106050060A (en) Elastic safety folding antitheft door
CN106595199A (en) Energy-saving turning refrigerator door
CN205825568U (en) Formula of turning back refrigerator composite door
CN204357309U (en) Hidden-locked security door
CN106642944A (en) Turning-back energy-saving refrigerator door
CN106014120A (en) Elastic rainwater utilization greening unit
CN205919607U (en) Energy -conserving refrigerator door of formula of replicateing
CN106642945A (en) Turn-back type refrigerator energy-saving door
CN106639804A (en) Fold-down burglary resistant safety door
CN106545282A (en) Turn back safety anti-theft door
CN205784188U (en) Collapsible combination of ice chamber door
CN106568286A (en) Energy-saving folding refrigerator doors
CN106567661A (en) Foldable anti-theft safety door
CN205805337U (en) Safety foldable antitheft door
CN106121475A (en) Collapsible combination safety door
CN106522782A (en) Safety folding-rotating type security door

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Gao Qi

Inventor before: Xu Ziyun

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170428

Address after: 311232 Xiaoshan economic and Technological Development Zone, Zhejiang, red road, No. 83, No.

Patentee after: Hangzhou Jiangnan Group Co., Ltd.

Address before: 409600 Chongqing City, Pengshui Tujia and Miao Autonomous County Han Jia Street No. 95 Ju Wei civilization

Patentee before: Chongqing Shizhan Science and Technology Development Center