CN108487814B - Oven hinge with one-way buffering function - Google Patents
Oven hinge with one-way buffering function Download PDFInfo
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- CN108487814B CN108487814B CN201810138537.2A CN201810138537A CN108487814B CN 108487814 B CN108487814 B CN 108487814B CN 201810138537 A CN201810138537 A CN 201810138537A CN 108487814 B CN108487814 B CN 108487814B
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- shaft
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- buffer
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides an oven hinge with a unidirectional buffer, which comprises a base arranged on a cabinet body and a swinging arm arranged on a door body, wherein the swinging arm is hinged on the base through a connecting shaft; the transmission elastic component comprises a transmission part, a buffering assembly and a connection elastic part, and the transmission part, the buffering assembly and the connection elastic part are structurally matched, so that the oven door body can stay at any angle when opened, the applicability is strong, the rotation stability is high, the buffering effect is achieved, the noise is reduced, and the product is protected; and the structure of the power-assisted frame, the supporting plate and the power-assisted elastic part of the power-assisted elastic component is matched to further strengthen the tightness of the oven door, and rib force is provided to assist the door body to open and close, so that the opening and closing operation is easier.
Description
Technical Field
The invention relates to the technical field of oven hinges, in particular to an oven hinge with a one-way buffer.
Background
The oven hinge generally comprises a swing arm, a base, a spring and a pull rod, wherein the swing arm is arranged on an oven door, the base is arranged on the oven, the swing arm is hinged with the base, the spring is sleeved on the pull rod, and the pull rod is connected to the base and the swing arm in a transmission way. Then, by means of the tension or elasticity of the spring, a torsional traction mode is adopted, when the door is opened, the spring can be stretched or compressed by pulling the door, and the oven door is opened; when the oven door is closed, the oven door can be closed on the oven cabinet due to the reset action of the spring only by releasing the oven door.
However, the above-structured toaster hinge has the following disadvantages:
1. in order to achieve the sealing performance of the oven, a spring with strong tension or elasticity is generally used, so that the opening or closing of the oven door is laborious.
2. The transmission structure of the spring and the pull rod is utilized, so that the pull rod is easy to rub the base during operation, the noise is high, and the rotating stability of the oven is reduced.
3. The oven door is limited in use state, namely, the oven door can only be opened completely or closed completely, and the oven door is difficult to stop at will according to practical application, so that the use effect is influenced.
4. When the oven door is closed, the oven door often has larger collision sound and large noise with the oven cabinet under the elastic reset effect, and other parts of the oven are damaged, so that the normal use of the oven is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an oven hinge with one-way buffering, which is simple in structure, can strengthen the tightness of an oven door, can assist in opening and closing the oven door with assistance, has a buffering effect when the oven door is closed, protects other parts of an oven, can enable the oven door to stay at any angle when the oven door is opened, is strong in applicability and high in rotation stability, and ensures the using effect of the oven.
The invention aims to realize the following steps: the oven hinge with the one-way buffer comprises a base arranged on a cabinet body and a swinging arm arranged on a door body, wherein the swinging arm is hinged on the base through a connecting shaft, and the base is provided with a transmission elastic component with the one-way buffer function and a power-assisted elastic component for opening and closing the door body;
the transmission elastic component comprises a transmission part, a buffer assembly part and a connection elastic part, the transmission part is connected to the swing arm through a fixed shaft and is hinged to the positioning end of the buffer assembly part through a positioning shaft, the movable end of the buffer assembly part is connected with the front end of the connection elastic part through a buckling shaft, and the rear end of the connection elastic part is fixedly connected to the base through a fixing pin;
the power-assisted elastic component comprises a power-assisted frame, a supporting plate and a power-assisted elastic piece, the power-assisted frame is buckled on the base, the supporting plate is elastically reset and moved relative to the power-assisted frame under the action of the power-assisted elastic piece, a connecting wheel is installed at the front end of the supporting plate, and the swing arm is provided with an arc groove which is matched and connected with the connecting wheel when the door body is opened and closed.
Optimize according to the aforesaid, the buffering sub-assembly is including buffering link, buffering attenuator, and the both ends of buffering link are articulated through location axle and driving medium respectively, through the lock joint axle with be connected the elastic component lock joint, and the cylinder body of buffering attenuator passes through buffering axle location connection on buffering link, and the catch bar of buffering attenuator passes through the sliding shaft and connects on the base, the buffering link is opened there is the connecting hole that promotes the sliding shaft and slide and be used in the base.
According to the optimization, the base is provided with a limiting hole for limiting the sliding position of the sliding shaft.
According to the optimization, the fixing pin, the buckling shaft, the sliding shaft, the positioning shaft and the fixing shaft are not on the same horizontal line, and the fixing shaft is located above the connecting shaft.
According to the optimization, the torque formed by the swinging arm rotating by taking the connecting shaft as a fixed point and the base is smaller than the torque at the two ends of the connecting elastic piece, so that an included angle of 0-15 degrees for generating self-closing door force is formed between the door body and the cabinet body.
According to the optimization, the torque formed by the swinging arm rotating by taking the connecting shaft as a fixed point and the base is equal to the torque at the two ends of the connecting elastic part, so that an included angle of 15-70 degrees for generating balance force is formed between the door body and the cabinet body.
According to the optimization, the torque formed by the swinging arm rotating by taking the connecting shaft as a fixed point and the base is larger than the torque at two ends of the connecting elastic part, so that an included angle of 70-85 degrees is formed between the door body and the cabinet body.
According to the optimization, the other end part of the transmission piece is provided with the flexible connecting block which is connected with the wall surface of the base in a sliding mode along with the movement of the transmission piece.
According to the optimization, the base is provided with a positioning column and an installation opening, and one end of the power-assisted frame is provided with a positioning hole for matching and installing the positioning column and an installation clamping block for matching and sliding installation on the installation opening;
the inboard of helping hand frame is equipped with the restriction piece that restriction backup pad elasticity reset and move the usefulness, and the one end cartridge of backup pad is on the restriction piece, and the other end of backup pad slides on helping hand frame through helping hand axle, helping hand frame is equipped with and slides the sliding hole of being connected the usefulness with helping hand axle adaptation.
According to the optimization, the connecting wheel is assembled on the power-assisted shaft, and the arc groove is provided with the arc surface which gradually changes from surface contact to line contact with the connecting wheel along with the outward swinging of the swinging arm.
The invention has the advantages that:
1) the structure cooperation of the transmission elastic assembly and the power-assisted elastic assembly can strengthen the tightness of the door body, avoid the door body from being opened mistakenly or automatically, and ensure the use effect of the oven.
2) The structure of helping hand frame, backup pad, helping hand elastic component, fifth wheel of cooperation helping hand elastic component, when the door body rotated, the fifth wheel became line contact gradually by the face contact with the circular arc trench to move at the relative helping hand of helping hand frame elasticity of helping hand elastic component effect backup pad, thereby helped the swing arm and opened and close, made the operation of opening lighter.
3) Under the structure cooperation of the connection elastic part and the transmission part of the transmission elastic assembly, the connection elastic part is always stressed, so that the torque generated by the door torsion angle and the torque connected with the elastic part form a mutual transmission acting force relationship between the door body and the base, the door body of the oven stops at any angle when opened, the applicability is improved, and the stability can be enhanced.
4) The buffering assembly is mounted on the transmission elastic assembly, when the oven door body is closed, the buffering damper acts on the transmission part in a buffering mode, so that the transmission part moves towards the tail end of the base slowly, the oven door body is closed on the oven cabinet body slowly, noise is reduced, other parts of the oven are protected, and normal use of the oven is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of a preferred embodiment of the invention.
Fig. 3 is an exploded view of the preferred embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the oven hinge with unidirectional buffering of the present invention includes a base 1 mounted on a cabinet body and a swing arm 2 mounted on a door body, the swing arm 2 is hinged to the base 1 through a connecting shaft 3, the base 1 is provided with a transmission elastic component having unidirectional buffering function, and the transmission elastic component includes a transmission member 4, a buffering assembly 5, and a connecting elastic member 6. The transmission part 4 is connected to the swing arm 2 through a fixed shaft 7 and is hinged to the positioning end of the buffer assembly part 5 through a positioning shaft 8, the movable end of the buffer assembly part 5 is connected with the front end of the connecting elastic part 6 through a buckling shaft 9, and the rear end of the connecting elastic part 6 is fixedly connected to the base 1 through a fixing pin 10. The fixing pin 10, the fastening shaft 9, the sliding shaft 18, the positioning shaft 8 and the fixing shaft 7 are not on the same horizontal line, and the fixing shaft 7 is positioned above the connecting shaft 3.
Wherein, the buffer assembly 5 comprises a buffer connecting frame 16 and a buffer damper 17. The two ends of the buffer connecting frame 16 are hinged to the transmission part 4 through the positioning shaft 8, and are buckled with the connection elastic part 6 through the buckling shaft 9, the cylinder body of the buffer damper 17 is connected to the buffer connecting frame 16 through the buffer shaft 19 in a positioning mode, the push rod of the buffer damper 17 is connected to the base 1 through the sliding shaft 18, and the buffer connecting frame 16 is provided with a connecting hole 20 for pushing the sliding shaft 18 to slide on the base 1.
The operating principle of operating the oven door is as follows: when the swing arm 2 rotates by taking the connecting shaft 3 as a fixed point and forms a torque with the base 1 smaller than the torque at the two ends of the connecting elastic piece 6, an included angle of 0-15 degrees for generating self-closing force is formed between the door body and the cabinet body. That is, when the oven door rotates at 0 ° to 15 ° (including 0 °), the torque of the connection elastic member 6 becomes an elastic force arm, and as the torque generated by the door weight when the oven door rotates becomes larger and larger, the elastic force generated by stretching the connection elastic member 6 also increases, so that the torque generated by the connection elastic member 6 is enough to automatically close the oven door on the oven cabinet.
When the swing arm 2 rotates by taking the connecting shaft 3 as a fixed point and forms a torque with the base 1 which is equal to the torque at the two ends of the connecting elastic piece 6, an included angle of 15-70 degrees for generating balance force is formed between the door body and the cabinet body. That is, when the oven door body rotates at 15 ° to 70 °, the torque generated by the door weight when the oven door body rotates becomes larger and larger, the elastic force generated by the connection elastic member 6 being stretched also increases, and the torque generated by the connection elastic member 6 can balance the gravity of the oven door body, so that the oven door body stays at any angle according to practical application when opened.
When the swing arm 2 rotates by taking the connecting shaft 3 as a fixed point and forms a torque with the base 1 which is larger than the torque at two ends of the connecting elastic piece 6, an included angle of 70-85 degrees which generates self-opening door force is formed between the door body and the cabinet body. That is, when the oven door body rotates at 15 ° to 70 °, the torque generated by the door weight when the oven door body rotates becomes larger and larger. At this time, the base 1 is provided with a stopper hole 29 for restricting the sliding position of the slide shaft 18. When the sliding shaft 18 slides to the maximum limiting position on the limiting hole 29, the elastic force generated by stretching the connecting elastic piece 6 is unchanged, so that the torque generated by the connecting elastic piece 6 is smaller than the torque generated by the gravity of the oven door body, and the oven door body automatically opens the door.
Like this, under the structure cooperation of transmission elastic component's connection elastic component 6, driving medium 4, connect elastic component 6 atress all the time, the moment of torsion that makes door torsion angle produce forms the mutual transmission effort relation between the door body and the base 1 with the moment of torsion of being connected elastic component 6 to stop in arbitrary angle when reaching the oven door body and opening, improve the suitability, can make the oven door body have again and help and open and close a body function, strengthen stability.
Meanwhile, when the oven door body is closed, specifically, when the connection elastic member 6 is compressed inward, the buffer connection frame 16 is driven to move towards the tail end along the base 1, so that the buffer damper 17 and the sliding shaft 18 move towards the tail end of the base 1 respectively. When the sliding shaft 18 moves to the extreme end of the limiting hole 29 and is fixed on the base 1, the connecting elastic part 6 continues to drive the transmission part 4 to move towards the extreme end of the base 1, and the cylinder body of the buffer damper 17 is compressed backwards along the push rod of the cylinder body, so that the buffer damper 17 acts on the transmission part 4 in a buffering manner, the oven door body is slowly closed on the oven cabinet body, noise is reduced, other parts of the oven are protected, and normal use of the oven is guaranteed.
In addition, the other end of the transmission member 4 is mounted with a flexible connection block 21 slidably connected to the wall surface of the base 1 as it moves. The structure that the fixed pin 10, the buckling shaft 9, the sliding shaft 18, the positioning shaft 8 and the fixed shaft 7 are not on the same horizontal line is matched, the surface contact between the transmission piece 4 and the base 1 is reduced, and the structure is protected doubly, so that the transmission stability is high, the friction is reduced, and the noise is reduced.
Referring to fig. 1 to 3, a base 1 is provided with a power-assisted elastic assembly for driving a door body to open and close by a power-assisted swing arm 2, and the power-assisted elastic assembly includes a power-assisted frame 11, a support plate 12 and a power-assisted elastic element 13. Wherein, base 1 is equipped with reference column 22, installing port 23. One end of the power-assisted frame 11 is provided with a positioning hole 30 for matching and installing the positioning column 22 and an installation clamping block 24 for being matched and slidably installed on the installation opening 23, so that the power-assisted frame 11 is buckled on the base 1. Simple to operate strengthens connecting the steadiness, ensures the use quality of oven hinge.
The elastic assist element 13 elastically returns and moves the support plate 12 relative to the assist frame 11. The inside of helping hand frame 11 is equipped with restriction backup pad 12 elasticity and resets the restriction piece 25 that the removal used, and the one end cartridge of backup pad 12 is on restriction piece 25, and the other end of backup pad 12 slides on helping hand frame 11 through helping hand axle 26, helping hand frame 11 is equipped with the sliding hole 27 of using with helping hand axle 26 adaptation slip connection.
Furthermore, a connecting wheel 14 is installed at the front end of the supporting plate 12, and the swing arm 2 is provided with an arc groove position 15 which is matched and connected with the connecting wheel 14 when the door body is opened and closed. In practical applications, the connecting wheel 14 is mounted on the assisting shaft 26, and the circular arc groove 15 is provided with a circular arc surface 28 which gradually changes from surface contact to line contact with the connecting wheel 14 as the swing arm 2 swings outwards.
When the oven door body is closed at the cabinet body, the oven door body is compressed on the connecting wheel 14, under the effect of the power-assisted elastic part 13, the arc surface 28 of the power-assisted arc slot position 15 is in surface contact with the connecting wheel 14, and the reinforced door body is tightly pressed on the cabinet body, so that the oven door body is tightly closed on the oven cabinet body under the dual effects of the power-assisted elastic component and the transmission elastic component, the wrong door body is effectively prevented from being opened or automatically opened, and the connection stability is improved.
The above embodiments are only embodiments with better effects, and any structure identical or equivalent to the oven hinge with one-way buffer of the present invention is within the protection scope of the present invention.
Claims (6)
1. The utility model provides an oven hinge of one-way buffering in area, is including installing in base (1) of the cabinet body, installing in swing arm (2) of the door body, swing arm (2) hinge on base (1) through connecting axle (3), its characterized in that: the base (1) is provided with a transmission elastic assembly with a one-way buffering function and a power-assisted elastic assembly with a power-assisted door body for opening and closing;
the transmission elastic component comprises a transmission part (4), a buffer assembly part (5) and a connection elastic part (6), the transmission part (4) is connected to the swing arm (2) through a fixed shaft (7) and is hinged to the positioning end of the buffer assembly part (5) through a positioning shaft (8), the movable end of the buffer assembly part (5) is connected with the front end of the connection elastic part (6) through a buckling shaft (9), and the rear end of the connection elastic part (6) is fixedly connected to the base (1) through a fixing pin (10);
the power-assisted elastic assembly comprises a power-assisted frame (11), a supporting plate (12) and a power-assisted elastic part (13), the power-assisted frame (11) is buckled on the base (1), the power-assisted elastic part (13) acts on the supporting plate (12) to elastically reset and move relative to the power-assisted frame (11), a connecting wheel (14) is installed at the front end of the supporting plate (12), and the swing arm (2) is provided with an arc groove position (15) which is matched and connected with the connecting wheel (14) when the door body is opened and closed;
the buffer assembly (5) comprises a buffer connecting frame (16) and a buffer damper (17), two ends of the buffer connecting frame (16) are hinged with the transmission piece (4) through a positioning shaft (8) respectively and are buckled with the connection elastic piece (6) through a buckling shaft (9), a cylinder body of the buffer damper (17) is connected to the buffer connecting frame (16) through a buffer shaft (19) in a positioning mode, a push rod of the buffer damper (17) is connected to the base (1) through a sliding shaft (18), and the buffer connecting frame (16) is provided with a connecting hole (20) for pushing the sliding shaft (18) to slide on the base (1);
the connecting wheel (14) is assembled on the power-assisted shaft (26), and the arc groove (15) is provided with an arc surface (28) which gradually changes from surface contact to line contact with the connecting wheel (14) along with the outward swinging of the swinging arm (2);
the other end of the transmission piece (4) is provided with a flexible connecting block (21) which is connected with the wall surface of the base (1) in a sliding way along with the movement of the transmission piece;
the base (1) is provided with a positioning column (22) and an installation opening (23), one end of the power-assisted frame (11) is provided with a positioning hole (30) which is matched and installed by the positioning column (22) and an installation clamping block (24) which is matched and glidingly installed on the installation opening (23);
the inboard of helping hand frame (11) is equipped with restriction backup pad (12) elasticity and resets restriction piece (25) that the removal used, and the one end cartridge of backup pad (12) is on restriction piece (25), and the other end of backup pad (12) slides on helping hand frame (11) through helping hand axle (26), helping hand frame (11) are equipped with and slide sliding hole (27) of being connected usefulness with helping hand axle (26) adaptation.
2. The oven hinge with one-way buffering of claim 1, wherein: and a limiting hole (29) for limiting the sliding position of the sliding shaft (18) is formed in the base (1).
3. The oven hinge with one-way buffering of claim 1, wherein: the fixing pin (10), the buckling shaft (9), the sliding shaft (18), the positioning shaft (8) and the fixing shaft (7) are not on the same horizontal line, and the fixing shaft (7) is located above the connecting shaft (3).
4. The oven hinge with one-way buffering of any one of claims 1 to 3, wherein: the torque formed by the swing arm (2) rotating with the connecting shaft (3) as a fixed point and the base (1) is smaller than the torque at the two ends of the connecting elastic piece (6), so that an included angle of 0-15 degrees for generating self-closing door force is formed between the door body and the cabinet body.
5. The oven hinge with one-way buffering of any one of claims 1 to 3, wherein: the swing arm (2) rotates by taking the connecting shaft (3) as a fixed point, and the torque formed by the swing arm and the base (1) is equal to the torque at the two ends of the connecting elastic part (6), so that an included angle of 15-70 degrees for generating balance force is formed between the door body and the cabinet body.
6. The oven hinge with one-way buffering of any one of claims 1 to 3, wherein: the swing arm (2) rotates by taking the connecting shaft (3) as a fixed point and forms a torque with the base (1) which is larger than the torques at two ends of the connecting elastic part (6), so that an included angle of 70-85 degrees which generates self-opening door force is formed between the door body and the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138537.2A CN108487814B (en) | 2018-02-10 | 2018-02-10 | Oven hinge with one-way buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810138537.2A CN108487814B (en) | 2018-02-10 | 2018-02-10 | Oven hinge with one-way buffering function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108487814A CN108487814A (en) | 2018-09-04 |
| CN108487814B true CN108487814B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810138537.2A Active CN108487814B (en) | 2018-02-10 | 2018-02-10 | Oven hinge with one-way buffering function |
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| CN (1) | CN108487814B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395901A (en) * | 2019-01-02 | 2020-07-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Hinge assembly and household appliance |
| CN110259308A (en) * | 2019-07-24 | 2019-09-20 | 王豪雄 | Damp hinge and door body opening-closing structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4038259A1 (en) * | 1989-12-21 | 1991-06-27 | Anthony S Mfg Co | HINGE ARRANGEMENT FOR SELF-CLOSING DOORS |
| CN202467427U (en) * | 2011-12-08 | 2012-10-03 | 广东星徽精密制造股份有限公司 | An oven hinge |
| CN204754540U (en) * | 2015-01-29 | 2015-11-11 | 胡国衡 | Novel oven hinge with chamber door locking function |
| CN206513184U (en) * | 2017-02-22 | 2017-09-22 | 东莞市鼎太电器有限公司 | Automatic buffer switchs baking box door hinge |
| CN107355160B (en) * | 2017-08-28 | 2023-06-06 | 珠海格力电器股份有限公司 | Damping hinge and device provided with same |
| CN208040148U (en) * | 2018-02-10 | 2018-11-02 | 江苏星徽精密科技有限公司 | A kind of oven hinge with one-way buffer |
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2018
- 2018-02-10 CN CN201810138537.2A patent/CN108487814B/en active Active
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| CN108487814A (en) | 2018-09-04 |
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Address after: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Jiangsu Jiuxing Precision Technology Group Co.,Ltd. Address before: 225300 north side of Yongfeng Road, high tech Industrial Park, Gaogang District, Taizhou City, Jiangsu Province Patentee before: JIANGSU SACA PRECISION TECHNOLOGY Co.,Ltd. |
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