CN205729655U - A kind of foldable self-locking formula wheelchair - Google Patents
A kind of foldable self-locking formula wheelchair Download PDFInfo
- Publication number
- CN205729655U CN205729655U CN201521105919.3U CN201521105919U CN205729655U CN 205729655 U CN205729655 U CN 205729655U CN 201521105919 U CN201521105919 U CN 201521105919U CN 205729655 U CN205729655 U CN 205729655U
- Authority
- CN
- China
- Prior art keywords
- vehicle frame
- wheelchair
- self
- locking
- fixed plate
- 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
Links
Landscapes
- Handcart (AREA)
Abstract
This utility model relates to wheelchair field.This utility model provides a kind of foldable self-locking formula wheelchair, including vehicle frame and vehicle frame fixed plate, also includes self-locking device, and described self-locking device is connected with described vehicle frame by described vehicle frame fixed plate, and described self-locking device can make described wheelchair pin voluntarily after folding.Compared with prior art, the foldable self-locking formula wheelchair that this utility model provides can utilize self mechanism to realize self-locking after folding, thus prevents wheelchair folding voluntarily, is convenient for carrying.
Description
Technical field
This utility model relates to a kind of wheelchair, particularly to a kind of foldable self-locking formula wheelchair.
Background technology
Along with development and the offer of people's living standard of society, people with disability has more and more used respectively
Planting wheelchair, this makes people with disability can preferably carry out outdoor activity, also improves people with disability's simultaneously
Quality of life.
But, although wheelchair brings the most conveniently, but existing fully collapsible invalid's chair cannot lead to after folding
The mechanism crossing self realizes auto-lock function, when carrying after wheelchair is folded, and wheelchair folding the most voluntarily,
Be inconvenient to carry.
In view of drawbacks described above, this utility model creator obtains finally through research for a long time and practice
This utility model.
Utility model content
The purpose of this utility model is, it is provided that a kind of foldable self-locking formula wheelchair, and this wheelchair folds
After self mechanism can be utilized to realize self-locking, thus prevent wheelchair folding voluntarily, be convenient for carrying.
For achieving the above object, the technical solution adopted in the utility model is, it is provided that a kind of collapsible
Self-locking wheelchair, including vehicle frame and vehicle frame fixed plate, also includes self-locking device, and described self-locking device leads to
Cross described vehicle frame fixed plate to be connected with described vehicle frame, after described self-locking device can make described wheelchair fold
Pin voluntarily.
It is also preferred that the left described self-locking device includes T-shaped support, one end of described T-shaped support and described car
U-shaped concave block in frame is connected, and described T-shaped support can rotate around described U-shaped concave block, described T-shaped
The other end supported is connected with pedal support.
It is also preferred that the left described self-locking device also includes that two support plates, described two support plates are symmetricly set on described foot
Stepping on the both sides of support, one end of support plate is connected with described pedal support, and the other end is connected with wheel vehicle frame,
As the limbs on rear side of the wheelchair lower part of the body.
It is also preferred that the left described self-locking device also includes folding controls pin, the described control pin that folds penetrates described
Vehicle frame fixed plate, and be connected with described wheel vehicle frame, described wheel vehicle frame can be fixed around described vehicle frame
Plate rotates.
It is also preferred that the left described vehicle frame includes carrying on the back plug in vehicle frame and base vehicle frame, the described back of the body plugs in vehicle frame and base car
Frame is installed in described vehicle frame fixed plate.
It is also preferred that the left the both sides that the described back of the body plugs in vehicle frame respectively arrange handrail tube, described handrail tube is solid by handrail
Determine frame to position, and directly plug in vehicle frame with the described back of the body by arc spacer and be connected, and can be around the described back of the body
The sidewall plugging in vehicle frame swings up and down.
It is also preferred that the left the top that the described back of the body plugs in vehicle frame is symmetrical arranged handrail, and plug in vehicle frame one with the described back of the body
Molding；The described back of the body is inserted and is additionally provided with hanger on vehicle frame, and the two ends of described hanger are inserted with the described back of the body respectively
The both sides of vehicle frame are connected.
It is also preferred that the left the described back of the body plugs in vehicle frame also includes carrying on the back plug in transverse tube, the described back of the body insert the two ends of transverse tube respectively with
The vehicle frame fixed plate of wheelchair both sides is connected, and runs through described vehicle frame fixed plate, and is carried out by steady pin
Fixing, it is ensured that the depth of parallelism of wheelchair both sides.
It is also preferred that the left foldable self-locking formula wheelchair also includes brake gear, described brake gear and walking dress
Put connected, in order to jerk or the gait of march that slows down wheelchair, it is ensured that the safety that wheelchair runs.
It is also preferred that the left described brake gear includes that lever bar, the two ends of described lever bar insert left and right respectively
At earrings on the wheel vehicle frame of both sides, and stretch out, outside the outermost end of its extension is with road wheel
The most concordant；The middle part of described lever bar is provided with brake pipe, stops with described in one end of described brake pipe
Car rod is connected, and the other end is connected with the connecting square pipes of described wheel vehicle frame by connecting plate, steps on described
Brake pipe so that described brake pipe is rotated by described connecting plate, and drive described lever bar to transport downwards
Dynamic, touch mutually with the wheel surface of described road wheel.
The beneficial effects of the utility model are compared with the prior art: the one that this utility model provides
Foldable self-locking formula wheelchair, this wheelchair can utilize self mechanism to realize self-locking after folding, thus anti-
Only wheelchair folding voluntarily, is convenient for carrying.
Accompanying drawing explanation
The functional block diagram of a kind of foldable self-locking formula wheelchair that Fig. 1 provides for this utility model；
The side view of a kind of foldable self-locking formula wheelchair that Fig. 2 provides for this utility model；
The rearview of a kind of foldable self-locking formula wheelchair that Fig. 3 provides for this utility model；
The easy structure schematic diagram of a kind of foldable self-locking formula wheelchair that Fig. 4 provides for this utility model；
Fig. 5 uses the mechanism principle figure of state for a kind of foldable self-locking formula wheelchair that this utility model provides；
Fig. 6 is former for the mechanism of a kind of foldable self-locking formula wheelchair folding and self-locking state that this utility model provides
Reason figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, to this utility model, above-mentioned and other technical characteristic and advantage are made more detailed
Thin explanation.
As it is shown in figure 1, the functional structure of a kind of foldable self-locking formula wheelchair provided for this utility model
Block diagram.This foldable self-locking formula wheelchair includes vehicle frame 1, self-locking device 2, running gear 3 and brake dress
Putting 4, wherein, self-locking device 2 and running gear 3 are arranged on vehicle frame 1, and self-locking device 2 makes
Wheelchair pins after completing to fold voluntarily, prevents the automatic open-close of wheelchair；Running gear 3 is in order to wheelchair
Move ahead, fall back or turn to；Brake gear 4 is connected with running gear 3, in order to jerk or slow down wheel
The gait of march of chair, it is ensured that the safety that wheelchair runs.
As shown in Figures 2 and 3, a kind of foldable self-locking formula wheelchair that Fig. 2 provides for this utility model
Side view, the rearview of a kind of foldable self-locking formula wheelchair that Fig. 3 provides for this utility model.Should
The vehicle frame 1 of foldable self-locking formula wheelchair includes carrying on the back plug in vehicle frame 11 and base vehicle frame 12.Wherein, the back of the body is inserted
Vehicle frame 11 and base vehicle frame 12 are installed in vehicle frame fixed plate 13, and it is solid with vehicle frame that the back of the body plugs in vehicle frame 11
Determining to use fixing connection between plate 13, optimal way uses screw to connect.Base vehicle frame 12 and vehicle frame
Use between fixed plate 13 and be flexibly connected so that base vehicle frame 12 can rotate around vehicle frame fixed plate 13.
The back of the body is inserted and is all nested with fabric 14 on vehicle frame 11 and base vehicle frame 12, user friendly dependence with
Taking a seat, the back of the body is inserted the both sides of the fabric 14 on vehicle frame 11 and is each provided with a square hole 141, and left and right is right
Claiming, square hole 141 is easy to carry on the back the installation of handrail tube 15 on plug in vehicle frame 11.
Handrail tube 15 is fixed on the positioning by handrail fixed mount 16, and by arc spacer directly with
The back of the body is plugged in vehicle frame 11 and is connected.Handrail tube 15 is symmetricly set on the back of the body and inserts the both sides of vehicle frame 11, handrail tube 15
Can around the back of the body plug in vehicle frame 11 sidewall swing up and down, when in handrail tube 15 away from the one of handrail fixed mount 16
During end stress, pass through lever principle so that the other end of handrail tube 15 offsets with handrail fixed mount 16,
Stop handrail tube 15 to be rotated further, user can be facilitated to move wheelchair by carrying handrail tube 15.
Being provided with armrest sheath 151 on handrail tube 15, armrest sheath 151 is nested on handrail tube 15, in order to increase
Add the friction between the arm of user and handrail tube 15, prevent arm from skidding.
The back of the body is inserted and is additionally provided with two handrails 17 on vehicle frame 11, and the two handrail 17 is positioned at the back of the body and plugs in vehicle frame 11
Top, and be symmetrical set, and to plug in vehicle frame 11 one-body molded with the back of the body.The user of wheelchair or
Aid, by holding handrail 17, promotes wheel chair sport.On two handrails 17, grip 171 is respectively set,
Grip 171 is nested on handrail 17, in order to increase the frictional force between palm and handrail 17, prevents
Palm skids.
The back of the body is inserted and is additionally provided with hanger 18 on vehicle frame 11, and hanger 18 is positioned at the rear side of fabric 14, and
The both sides of the two ends of hanger 18 vehicle frame 11 slotting with the back of the body respectively are fixing to be connected, and on the one hand can increase the back of the body and insert
The rigidity of vehicle frame 11, on the other hand can facilitate user's belongings.
The back of the body is plugged in vehicle frame 11 and is also included carrying on the back plug in transverse tube 19, the back of the body insert the two ends of transverse tube 19 respectively with wheelchair both sides
Vehicle frame fixed plate 13 be connected, and run through vehicle frame fixed plate 13, and be fixed by steady pin,
Both ensured the depth of parallelism of wheelchair both sides, the rigidity of wheelchair can have been strengthened again.
The self-locking device 2 of this foldable self-locking formula wheelchair includes T-shaped support 21, T-shaped support 21 one end
It is connected with the U-shaped concave block 121 on the downside of base vehicle frame 12, and is fixed by bearing pin so that T-shaped support
21 can rotate around U-shaped concave block 121.The other end of T-shaped support 21 is connected with pedal support 22, and
The transverse arm two ends of T-shaped support 21 are across on pedal support 22, and use the mode of welding by T-shaped
Supporting 21 to link together with pedal support 22, shape is integral, as the support of base vehicle frame 12.
Pedal support 22 is welded by multistage hollow circular-tube, and one end of pedal support 22 and walking
Device 3 is connected, and the other end is plugged in conduit 131 with the back of the body inside vehicle frame fixed plate 13 and is connected, as wheel
Limbs on front side of the chair lower part of the body.Pedal support 22 includes U-shaped pipe 221, U-shaped steps in pipe 222, two
Empty vertical tube 223, two long tube 224 and transverse tube 225.Wherein, the U-shaped two ends stepping on pipe 222 and U-shaped circle
Pipe 221 is connected, and connected mode is preferably welding, tramples part as user.U-shaped pipe 221
Side with hollow standpipe 223 respectively, two ends is welded mutually, and opposite side welds mutually with one end of long tube 224,
And the hollow bulb of hollow standpipe 223 is in order to assign the universal wheel 32 in running gear 3.
The other end of long tube 224 is welded on transverse tube 225, and transverse tube 225 is socketed in the back of the body and plugs in conduit 131
On, insert the rotation between conduit 131 by transverse tube 225 and the back of the body, it is achieved pedal support 22 is solid around vehicle frame
Determine plate 13 to rotate.Self-locking device 2 also includes two support plates 23, and support plate 23 is symmetricly set on pedal support
The both sides of 22, its one end is connected with pedal support 22, the other end and the wheel car in running gear 3
Frame 31 is connected, and support plate 23 is as the limbs on rear side of the wheelchair lower part of the body.
Self-locking device 2 also includes that two fold control pin 24, and folding control pin 24 penetrates vehicle frame and fixes
Plate 13, and be connected with wheel vehicle frame 31, reality wheel vehicle frame 31 can be around described vehicle frame fixed plate 13
Rotate.Fold control pin 24 and include lead 241, fairlead 242 and stay cord 243.Wherein, lead
Being nested in fairlead 242 to post 241, and wherein one end is connected with wheel vehicle frame 31, the other end leads to
Cross stay cord 243 to be coupled together by the lead 241 of both sides.
The running gear 3 of this foldable self-locking formula wheelchair includes 32, two road wheels 33 of two universal wheels
With wheel vehicle frame connecting square pipes 34.Wherein, universal wheel 32 is left and right symmetrically arranged in cycle stand 1
Both sides, and be nested with hollow standpipe 223, in order to change the direction of wheelchair.Road wheel 33 is positioned at car
The both sides of wheel vehicle frame 31, and by the protruding square casing inserted on wheel vehicle frame 31 on road wheel 33
In, and run through square casing, moving ahead and falling back in order to wheelchair.The two of wheel vehicle frame connecting square pipes 34
End be connected with the wheel vehicle frame 31 of both sides respectively, in order to strengthen the rigidity of wheelchair, prevent the wheelchair lower part of the body by
Become big in span and deform.
The brake gear 4 of this foldable self-locking formula wheelchair includes a lever bar 41, the two of lever bar 41
End inserts at the earrings 311 on left and right sides wheel vehicle frame 31 respectively, and stretches out, its extension
Outermost end concordant with the lateral of road wheel 33.The middle part of lever bar 41 is provided with a brake pipe 42,
One end of brake pipe 42 is connected with lever bar 41, and the other end is by a plate 43 with wheel vehicle frame even
Connect square tube 34 to be connected, step on brake pipe 42 so that brake pipe 42 is rotated by connecting plate 43, and
Drive lever bar 41 to move downward, touch mutually with the wheel surface of road wheel 33, at lever bar 41
And the pressure between road wheel 33 is with under the effect of frictional force, slows down the speed of travel of described wheelchair, directly
To stopping.
As shown in Figure 4, the easy structure of a kind of foldable self-locking formula wheelchair provided for this utility model
Schematic diagram.By Fig. 4 connecting portion between each structure in wheelchair made following name: base vehicle frame
Connecting portion between 12 and vehicle frame fixed plate 13 is revolute pair A, base vehicle frame 12 and T-shaped support 21
Between connecting portion be revolute pair B, the connecting portion between T-shaped support 21 and pedal support 22 for rotate
Secondary C, the connecting portion between pedal support 22 and vehicle frame fixed plate 13 is revolute pair D, wheel vehicle frame
Connecting portion between 31 and vehicle frame fixed plate 13 is revolute pair E, between support plate 23 and wheel vehicle frame 31
Connecting portion be revolute pair F, the connecting portion between support plate 23 and pedal support 22 is revolute pair G.
Through above-mentioned name, the structure of wheelchair is divided into two quadric chains, one of them four company
Linkage is made up of vehicle frame fixed plate 13, base vehicle frame 12, T-shaped support 21 and pedal support 22,
It is called for short quadric chain ABCD.Another four-bar linkage structure by T-shaped support 21, pedal support 22,
Support plate 23, wheel vehicle frame 31 and vehicle frame fixed plate 13 are constituted, and are called for short quadric chain EDGF.
As it is shown in figure 5, a kind of foldable self-locking formula wheelchair for this utility model offer uses state
Mechanism principle figure, as shown in Figure 6, a kind of foldable self-locking formula wheelchair folding provided for this utility model
The mechanism principle figure of folded self-locking state；When CD is frame, and pull out folding control pin 24, frame linking
Bar AD rotates counterclockwise to aD position, and drivening rod AB turns to corresponding ab position simultaneously, due to
The vehicle frame fixed plate 13 of AED composition is integrated part, so side link AD rotates counterclockwise to aD position
Driving F point to turn to f point, the position of f point is by wheel vehicle frame connecting square pipes 34 and bicycle simultaneously
Frame 1 interference positions.DG is crossed when crossing DC connecting line through dead point and e point by b point
Reach the function of self-locking after wheelchair folds through dead point during connection.It is by seat cushion vehicle frame when crossing dead point
The elastic deformation of 1 aluminum pipe realizes.
A kind of foldable self-locking formula wheelchair that this utility model provides, this wheelchair can utilize after folding
Self mechanism realizes self-locking, thus prevents wheelchair folding voluntarily, is convenient for carrying.
The foregoing is only preferred embodiment of the present utility model, be only to say for this utility model
Bright property, and nonrestrictive.Those skilled in the art understands, in this utility model claim institute
It can be carried out many changes, amendment, even equivalence in the spirit and scope limited, but fall within
In protection domain of the present utility model.
Claims (8)
1. a foldable self-locking formula wheelchair, including vehicle frame and vehicle frame fixed plate, it is characterized in that, also include self-locking device and brake gear, described self-locking device is connected with described vehicle frame by described vehicle frame fixed plate, described self-locking device can make described wheelchair pin voluntarily after folding, described brake gear is connected with running gear, in order to jerk or the gait of march that slows down wheelchair, ensure the safety that wheelchair runs, described brake gear includes lever bar, the two ends of described lever bar are inserted at the earrings on the wheel vehicle frame of the left and right sides respectively, and stretch out, the outermost end of its extension is concordant with the lateral of road wheel；The middle part of described lever bar is provided with brake pipe, one end of described brake pipe is connected with described lever bar, the other end is connected with the connecting square pipes of described wheel vehicle frame by connecting plate, step on described brake pipe, described brake pipe is rotated by described connecting plate, and drive described lever bar to move downward, touch mutually with the wheel surface of described road wheel.
A kind of foldable self-locking formula wheelchair the most according to claim 1, it is characterized in that, described self-locking device includes T-shaped support, one end of described T-shaped support is connected with the U-shaped concave block in described vehicle frame, described T-shaped support can rotate around described U-shaped concave block, and the other end of described T-shaped support is connected with pedal support.
A kind of foldable self-locking formula wheelchair the most according to claim 2, it is characterized in that, described self-locking device also includes two support plates, described two support plates are symmetricly set on the both sides of described pedal support, one end of support plate is connected with described pedal support, the other end is connected with wheel vehicle frame, as the limbs on rear side of the wheelchair lower part of the body.
A kind of foldable self-locking formula wheelchair the most according to claim 3, it is characterized in that, described self-locking device also includes folding control pin, and the described control pin that folds penetrates described vehicle frame fixed plate, and be connected with described wheel vehicle frame, described wheel vehicle frame can rotate around described vehicle frame fixed plate.
A kind of foldable self-locking formula wheelchair the most according to claim 1, it is characterised in that described vehicle frame includes carrying on the back plug in vehicle frame and base vehicle frame, and the described back of the body plugs in vehicle frame and base vehicle frame is installed in described vehicle frame fixed plate.
A kind of foldable self-locking formula wheelchair the most according to claim 5, it is characterized in that, the described back of the body is inserted the both sides of vehicle frame and is respectively arranged handrail tube, described handrail tube is positioned by handrail fixed mount, and directly plug in vehicle frame with the described back of the body by arc spacer and be connected, and the sidewall of vehicle frame can be inserted around the described back of the body and swing up and down.
A kind of foldable self-locking formula wheelchair the most according to claim 6, it is characterised in that the described back of the body is inserted the top of vehicle frame and is symmetrical arranged handrail, and to plug in vehicle frame one-body molded with the described back of the body；The described back of the body is inserted and is additionally provided with hanger on vehicle frame, and the both sides that vehicle frame is inserted with the described back of the body respectively in the two ends of described hanger are connected.
A kind of foldable self-locking formula wheelchair the most according to claim 7, it is characterized in that, the described back of the body is plugged in vehicle frame and is also included carrying on the back plug in transverse tube, the described back of the body is inserted the two ends of transverse tube and is connected with the vehicle frame fixed plate of wheelchair both sides respectively, and run through described vehicle frame fixed plate, and be fixed by steady pin, it is ensured that the depth of parallelism of wheelchair both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105919.3U CN205729655U (en) | 2015-12-28 | 2015-12-28 | A kind of foldable self-locking formula wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521105919.3U CN205729655U (en) | 2015-12-28 | 2015-12-28 | A kind of foldable self-locking formula wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205729655U true CN205729655U (en) | 2016-11-30 |
Family
ID=57389130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521105919.3U Active CN205729655U (en) | 2015-12-28 | 2015-12-28 | A kind of foldable self-locking formula wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205729655U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049637A (en) * | 2017-04-26 | 2017-08-18 | 重庆易驾车业有限公司 | It is a kind of can fast folding and dismounting electric wheelchair |
| CN107616877A (en) * | 2017-08-04 | 2018-01-23 | 西安好思达康复器具有限公司 | A kind of self-locking brake wheelchair |
| WO2021004013A1 (en) * | 2019-07-09 | 2021-01-14 | 苏州凯道智能设备有限公司 | Collapsible electric wheelchair |
-
2015
- 2015-12-28 CN CN201521105919.3U patent/CN205729655U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107049637A (en) * | 2017-04-26 | 2017-08-18 | 重庆易驾车业有限公司 | It is a kind of can fast folding and dismounting electric wheelchair |
| CN107616877A (en) * | 2017-08-04 | 2018-01-23 | 西安好思达康复器具有限公司 | A kind of self-locking brake wheelchair |
| CN107616877B (en) * | 2017-08-04 | 2023-12-19 | 西安好思达康复器具有限公司 | Self-locking braking wheelchair |
| WO2021004013A1 (en) * | 2019-07-09 | 2021-01-14 | 苏州凯道智能设备有限公司 | Collapsible electric wheelchair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205994648U (en) | Leg lifting device of scooter | |
| CN205729655U (en) | A kind of foldable self-locking formula wheelchair | |
| CN203996627U (en) | Light four-wheel storage battery car | |
| CN202193155U (en) | Folding type scooter bag | |
| TWI501897B (en) | Personal transport vehicle | |
| CN110916988A (en) | Electric walking aid | |
| CN211561739U (en) | Multifunctional rehabilitation chair | |
| CN202376406U (en) | Auxiliary walk car | |
| CN201356725Y (en) | Wheelchair with rehabilitation function | |
| CN201052250Y (en) | Walking aid handcart | |
| CN205494193U (en) | X type crossing direction folding mechanism and use its wheelchair for wheelchair | |
| CN205439815U (en) | Truckle of adjustable braking | |
| CN203539567U (en) | Wheelchair | |
| CN2609827Y (en) | Miniature folding bicycle | |
| CN103754302A (en) | Quick-adjusting pedal vehicle for old people | |
| CN203793531U (en) | Portable three-wheeled electric vehicle | |
| CN209395972U (en) | Double-four link mechanism and electric bicycle | |
| CN202620033U (en) | Folding electric wheelchair | |
| CN202345859U (en) | Novel multifunctional four-wheel deformation bicycle | |
| CN206171669U (en) | Scooter | |
| CN201254261Y (en) | Double driven leisure tricycle | |
| CN201626493U (en) | Double bracket of two-wheeled vehicle | |
| CN205683210U (en) | Portable wheel Wheel-chair | |
| CN203372338U (en) | Foldable bicycle frame | |
| CN203581264U (en) | Folding electric bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 sirxiang Road, Wujin District, Changzhou, Jiangsu Province, No. 33 Patentee after: Changzhou China Medical equipment Limited by Share Ltd Address before: No. 7 Xinghu Road, Wujin Economic Development Zone, Changzhou, Jiangsu Province Patentee before: Changzhou Zhongjin Medical Co., Ltd. |