CN103233611A - Door lock clutch device - Google Patents
Door lock clutch device Download PDFInfo
- Publication number
- CN103233611A CN103233611A CN2013101445277A CN201310144527A CN103233611A CN 103233611 A CN103233611 A CN 103233611A CN 2013101445277 A CN2013101445277 A CN 2013101445277A CN 201310144527 A CN201310144527 A CN 201310144527A CN 103233611 A CN103233611 A CN 103233611A
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- clutch
- door lock
- pin
- clutch part
- outer clutch
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- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 11
- 230000002411 adverse Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 18
- 239000002360 explosive Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention relates to a door lock clutch device. The door lock clutch device comprises a clutch mechanism which comprises an inner clutch part and an outer clutch part, and the inner clutch part is rotatably arranged inside the outer clutch part; the inner clutch part is provided with a clutch groove, and the outer clutch part is provided with a clutch pin; the clutch pin is provided with a clutch driving mechanism which is used for driving the clutch pin to extend into the clutch groove, and the clutch pin is also provided with a reset part which exerts an acting force, which is opposite to the acting force of the clutch driving mechanism, on the clutch pin; and the clutch driving mechanism comprises a clutch pushing arc-shaped sheet and a driving unit which drives the clutch pushing arc-shaped sheet to be pressed to the clutch pin, the driving unit comprises a mandril and an electromagnetic driving unit which drives the mandril to extend and retract, and one end of the mandril abuts against the clutch pushing arc-shaped sheet. The door lock clutch device can prolong the service life of a door lock effectively.
Description
Technical field
The present invention relates to a kind of door lock arrangement of clutch.
Background technology
The door lock arrangement of clutch, generally include clutch, clutch part and outer clutch part in described clutch comprises, clutch part is rotatable in described is arranged in the outer clutch part, clutch part is provided with clutch slot in described, described outer clutch part is provided with on-of pin, described on-of pin is provided with driving, and it stretches into the interior clutch driving mechanism of clutch slot, described on-of pin also is provided with it is imposed return unit with clutch driving mechanism adverse effect power, and described clutch driving mechanism comprises that clutch promotes the arc sheet and drive clutch to promote the driver element that the arc sheet is pressed to on-of pin.Yet existing door lock arrangement of clutch, its driver element is set to press to on-of pin by the driven by motor expansion link is flexible to drive clutch promotion elastic arc sheet usually, this kind scheme, the circumferential rotation of motor need be moved by the straight line that transformation mechanism is converted into expansion link, the structure more complicated, yet because limit the volume of driver element in the limited space of door lock, therefore, the place that door lock is prone to problem most is exactly that volume is again little, structure and complicated driver element, thereby has influenced the application life of door lock.
Summary of the invention
At the deficiency that prior art exists, the object of the present invention is to provide a kind of effective raising door lock door lock arrangement of clutch in application life.
For achieving the above object, the invention provides following technical scheme: a kind of door lock arrangement of clutch, comprise clutch, clutch part and outer clutch part in described clutch comprises, clutch part is rotatable in described is arranged in the outer clutch part, clutch part is provided with clutch slot in described, described outer clutch part is provided with on-of pin, described on-of pin is provided with driving, and it stretches into the interior clutch driving mechanism of clutch slot, described on-of pin also is provided with it is imposed return unit with clutch driving mechanism adverse effect power, described clutch driving mechanism comprises that clutch promotes the arc sheet and drive clutch to promote the driver element that the arc sheet is pressed to on-of pin, described driver element comprises push rod and drives the flexible electromagnetic drive unit of push rod, the setting that matches with clutch promotion arc sheet of the relative electromagnetic drive unit other end of described push rod.
By adopting technique scheme, electromagnetic drive unit drives push rod and stretches out, and push rod makes clutch promote the arc bending tablet to press to on-of pin, makes on-of pin head in the clutch slot, thereby has realized the interlock of interior clutch part and outer clutch part; Electromagnetic drive unit drives push rod and shrinks, and clutch promotes the arc sheet and resets, and makes on-of pin leave clutch slot because of the effect of return unit, and clutch part breaks away from interlock with outer clutch part in making.Electromagnetic drive unit has better stability with respect to traditional motor drive mode, thereby has improved the application life of door lock, and cost is relatively low.
The present invention further arranges: clutch part is provided with the resetting-mechanism that it is imposed active force in described, and described active force makes clutch slot aim at the on-of pin position of outer clutch part.
By adopting technique scheme, because the effect of the internal clutch part of resetting-mechanism, clutch slot can be aimed at the on-of pin position all the time when clutch part resetted in making, thereby had avoided because the interior clutch part on-of pin not in place that resets can not insert clutch slot, and the door lock that causes can not be opened.
The present invention further arranges: clutch groove in the periphery wall of clutch part is provided with in described, when clutch slot when the corresponding on-of pin position, the clutch groove location is provided with the outer clutch groove suitable with interior clutch groove length in the internal perisporium correspondence of outer clutch part, the clutch groove constitutes containing cavity with outer clutch groove in described, be provided with elastic component in the described containing cavity, described elastic component two ends respectively with the setting that offsets of the circumferential two side of containing cavity.
By adopting technique scheme, because the effect of elastic component, clutch slot can be aimed at the on-of pin position all the time when clutch part resetted in making, thereby had avoided because the interior clutch part on-of pin not in place that resets can not insert clutch slot, and the door lock that causes can not be opened.
The present invention further arranges: described elastic component is set to compress spring, and described compression spring is and circumferentially is arranged in the described containing cavity.
The present invention further arranges: described clutch also comprises driving tooth, last rotating shaft, last square steel, lower rotary shaft, following square steel, described upward square steel and last rotating shaft are interlock setting, described square steel and lower rotary shaft down, interior clutch part interlock arranges, described outer clutch part is provided with the commutation screw, outer clutch spacing block set and outer clutch drive projection, described upward rotating shaft is provided with the protruding arm of last rotating shaft with the screw fit that commutates, described driving tooth is provided with outer clutch part and drives the protruding arm of driving tooth that projection matches, and a side of described clutch is provided with the spacing rivet that matches with outer clutch spacing block set.
By adopting technique scheme, when on-of pin was not inserted into clutch slot, following square steel drove lower rotary shaft, interior clutch part rotates, and interior clutch part can not drive outer clutch part with outer clutch part idle running and rotate, thereby driving tooth is rotated, so that can not open door lock; When on-of pin is inserted into clutch slot, following square steel drives lower rotary shaft, interior clutch part rotates, and interior clutch part drives outer clutch part with outer clutch part interlock and rotates, and the outer clutch part of outer clutch part drives projection and drives the protruding arm of driving tooth, thereby make driving tooth rotate, so that open door lock; Drive when going up the rotating shaft rotation and go up square steel, the protruding arm of last rotating shaft drives outer clutch part with the commutation screw fit and rotates, and the outer clutch part driving projection of outer clutch part drives the protruding arm of driving tooth, thereby makes driving tooth rotate, so that opens door lock.
The present invention further arranges: the upper and lower wall of described outer clutch part is respectively arranged with and is symmetrically arranged installing hole for the installation of commutation screw, and described lower rotary shaft is provided with and the protruding arm of the lower rotary shaft of the screw fit that commutates.
By adopting technique scheme, the commutation screw can be installed in or the installing hole of lower wall surface, make arrangement of clutch can inside and outside general.
The present invention further arranges: described resetting-mechanism comprises torsion spring, described torsion spring is provided with two bending ends, interior clutch part is provided with two torsion springs and dials pin, when clutch slot when the corresponding on-of pin position, described two bending ends prop up the adjacent both sides that described two torsion springs are dialled pin respectively.
By adopting technique scheme, because the effect of the internal clutch part of torsion spring, clutch slot can be aimed at the on-of pin position all the time when clutch part resetted in making, thereby had avoided because the interior clutch part on-of pin not in place that resets can not insert clutch slot, and the door lock that causes can not be opened.
The present invention further arranges: described panel and the handle of also comprising, described handle are provided with the interlock end that passes panel and link with outer clutch part, and described torsion spring set is located at the interlock end outside of described handle.
By adopting technique scheme, make firm being installed in the door lock of torsion spring.
The present invention further arranges: the inwall of described panel is provided with torsion spring is circumferentially carried out spacing positive stop lug boss.
By adopting technique scheme, further improve the steadiness of torsion spring.
The present invention further arranges: force direction one side of two bending ends of the corresponding torsion spring of described panel is respectively arranged with limit base.
By adopting technique scheme, make that the position was more accurate when torsion spring resetted.
Below in conjunction with accompanying drawing the present invention is further described.
Description of drawings
Fig. 1 is the embodiment of the invention one structure chart one;
Fig. 2 is the embodiment of the invention one structure chart two;
Fig. 3 is the embodiment of the invention one structure explosive view;
Fig. 4 is the embodiment of the invention two structure charts;
Fig. 5 is the embodiment of the invention two structure explosive views.
The specific embodiment
Referring to accompanying drawing 1 to accompanying drawing 5, door lock arrangement of clutch disclosed by the invention, comprise clutch 1, clutch part 101 and outer clutch part 102 in described clutch 1 comprises, clutch part 101 rotatable being arranged in the outer clutch part 102 in described, clutch part 101 is provided with clutch slot 1011 in described, described outer clutch part 102 is provided with on-of pin 1021, described on-of pin 1021 is provided with and drives it and stretch into clutch driving mechanism 2 in the clutch slot 1011, described on-of pin 1021 also is provided with it is imposed return unit 1022 with clutch driving mechanism 2 adverse effect power, described clutch driving mechanism 2 comprises that clutch promotes arc sheet 201 and drive clutch to promote the driver element 202 that arc sheet 201 is pressed to on-of pin 1021, described driver element 202 comprises push rod 2021 and drives the flexible electromagnetic drive unit 2022 of push rod 2021, the setting that matches with clutch promotion arc sheet 201 of described push rod 2021 relative electromagnetic drive unit 2022 other ends.Electromagnetic drive unit 2022 can be electromagnetic coil, and it is arcuation spares that clutch promotes arc sheet 201, and itself can also can be the rigid member with resilient pivot for elastomeric material constitutes.By adopting technique scheme, electromagnetic drive unit 2022 drives push rod 2021 and stretches out, push rod 2021 makes clutch promote 201 bendings of arc sheet to press to on-of pin 1021, makes on-of pin 1021 head in the clutch slot 1011, thereby has realized the interlock of interior clutch part 101 and outer clutch part 102; Electromagnetic drive unit 2022 drives push rod 2021 and shrinks, and clutch promotes arc sheet 201 and resets, and makes on-of pin 1021 leave clutch slot 1011 because of the effect of return unit 1022, and clutch part 101 breaks away from interlock with outer clutch part 102 in making.Electromagnetic drive unit 2022 has better stability with respect to traditional motor drive mode, thereby has improved the application life of door lock, and cost is relatively low.
The present invention further arranges: clutch part 101 is provided with the resetting-mechanism that it is imposed active force in described, and described active force makes clutch slot 1011 aim at on-of pin 1021 positions of outer clutch part 102.By adopting technique scheme, because the effect of the internal clutch part 101 of resetting-mechanism, clutch slot 1011 can be aimed at on-of pin 1021 positions all the time when clutch part 101 resetted in making, thereby avoided because interior clutch part 101 on-of pin 1021 not in place that resets can not insert clutch slot 1011, and the door lock that causes can not be opened.
Embodiment one,
Referring to accompanying drawing 1 to accompanying drawing 3, clutch groove 1012 in the periphery wall of clutch part 101 is provided with in described, when clutch slot 1011 during to corresponding on-of pin 1021 positions, clutch groove 1012 positions are provided with the outer clutch groove 1023 suitable with interior clutch groove 1012 length in the internal perisporium correspondence of outer clutch part 102, clutch groove 1012 constitutes containing cavity with outer clutch groove 1023 in described, be provided with elastic component 103 in the described containing cavity, described elastic component 103 two ends respectively with the setting that offsets of the circumferential two side of containing cavity.By adopting technique scheme, because the effect of elastic component 103, clutch slot 1011 can be aimed at on-of pin 1021 positions all the time when clutch part 101 resetted in making, thereby avoided because interior clutch part 101 on-of pin 1021 not in place that resets can not insert clutch slot 1011, and the door lock that causes can not be opened.
Present embodiment further arranges: described elastic component 103 is set to compress spring, and described compression spring is and circumferentially is arranged in the described containing cavity.
Present embodiment further arranges: described clutch 1 also comprises driving tooth 104, last rotating shaft 105, last square steel 106, lower rotary shaft 107, following square steel 108, the described square steel 106 of going up is interlock setting with last rotating shaft 105, described square steel 108 and lower rotary shaft 107 down, interior clutch part 101 interlocks arrange, described outer clutch part 102 is provided with commutation screw 1024, outer clutch spacing block set 1025 and outer clutch drive projection 1026, described upward rotating shaft 105 is provided with the protruding arm 1051 of the last rotating shaft that cooperates with the screw 1024 that commutates, described driving tooth 104 is provided with outer clutch part and drives the protruding arm 1041 of driving tooth that projection 1025 matches, and a side of described clutch 1 is provided with the spacing rivet 109 that matches with outer clutch spacing block set 1025.By adopting technique scheme, when on-of pin 1021 is not inserted into clutch slot 1011, following square steel 108 drives lower rotary shaft 107, interior clutch part 101 rotates, interior clutch part 101 can not drive outer clutch part 102 with outer clutch part 102 idle running and rotate, thereby driving tooth 104 is rotated, so that can not open door lock; When on-of pin 1021 is inserted into clutch slot 1011, following square steel 108 drives lower rotary shaft 107, interior clutch part 101 rotates, interior clutch part 101 drives outer clutch part 102 with outer clutch part 102 interlocks and rotates, the outer clutch part of outer clutch part 102 drives projection 1026 and drives the protruding arm 1041 of driving tooth, thereby make driving tooth 104 rotate, so that open door lock; Drive when going up rotating shaft 105 rotations and go up square steel 106, the protruding arm 1051 of last rotating shaft cooperates the outer clutch part 102 of drive to rotate with commutation screw 1024, the outer clutch part of outer clutch part 102 drives projection 1026 and drives the protruding arm 1041 of driving tooth, thereby makes driving tooth 104 rotate, so that opens door lock.
The present invention further arranges: the upper and lower wall of described outer clutch part 102 is respectively arranged with and is symmetrically arranged installing hole 1027 for 1024 installations of commutation screw, and described lower rotary shaft 107 is provided with and the protruding arm 1071 of the lower rotary shaft of the screw fit that commutates.
By adopting technique scheme, commutation screw 1024 can be installed in the installing hole 1027 of going up of outer clutch part 102 or lower wall surface, makes that arrangement of clutch can be inside and outside general.
Embodiment two,
Referring to accompanying drawing 4 and accompanying drawing 5, described resetting-mechanism comprises torsion spring 3, described torsion spring 3 is provided with two bending ends 301, interior clutch part 101 is provided with two torsion springs and dials pin 1013, when clutch slot 1011 during to corresponding on-of pin 1021 positions, described two bending ends 301 prop up the adjacent both sides that described two torsion springs are dialled pin 1013 respectively.By adopting technique scheme, because torsion spring is to the effect of 3 interior clutch parts 101, clutch slot 1011 can be aimed at on-of pin 1021 positions all the time when clutch part 101 resetted in making, thereby avoided because interior clutch part 101 on-of pin 1021 not in place that resets can not insert clutch slot 1011, and the door lock that causes can not be opened.
Present embodiment further arranges: described panel 4 and the handle 5 of also comprising, described handle 5 are provided with the interlock end 501 that passes panel 4 and link with outer clutch part 102, and 501 outsides are held in the interlock that described torsion spring 3 is set in described handle 5.By adopting technique scheme, make torsion spring 3 firm being installed in the door lock.
Present embodiment further arranges: the inwall of described panel 4 is provided with torsion spring 3 is circumferentially carried out spacing positive stop lug boss 401.By adopting technique scheme, further improve the steadiness of torsion spring 3.
Present embodiment further arranges: force direction one side of two bending ends 301 of described panel 4 corresponding torsion springs 3 is respectively arranged with limit base 402.By adopting technique scheme, make that the position was more accurate when torsion spring 3 resetted.
Claims (10)
1. door lock arrangement of clutch, comprise clutch, clutch part and outer clutch part in described clutch comprises, clutch part is rotatable in described is arranged in the outer clutch part, clutch part is provided with clutch slot in described, described outer clutch part is provided with on-of pin, described on-of pin is provided with driving, and it stretches into the interior clutch driving mechanism of clutch slot, described on-of pin also is provided with it is imposed return unit with clutch driving mechanism adverse effect power, described clutch driving mechanism comprises that clutch promotes the arc sheet and drive clutch to promote the driver element that the arc sheet is pressed to on-of pin, it is characterized in that: described driver element comprises push rod and drives the flexible electromagnetic drive unit of push rod, the setting that matches with clutch promotion arc sheet of the relative electromagnetic drive unit other end of described push rod.
2. door lock arrangement of clutch according to claim 1 is characterized in that: clutch part is provided with the resetting-mechanism that it is imposed active force in described, and described active force makes clutch slot aim at the on-of pin position of outer clutch part.
3. door lock arrangement of clutch according to claim 2, it is characterized in that: clutch groove in the periphery wall of clutch part is provided with in described, when clutch slot when the corresponding on-of pin position, the clutch groove location is provided with the outer clutch groove suitable with interior clutch groove length in the internal perisporium correspondence of outer clutch part, the clutch groove constitutes containing cavity with outer clutch groove in described, be provided with elastic component in the described containing cavity, described elastic component two ends respectively with the setting that offsets of the circumferential two side of containing cavity, described elastic component, interior clutch groove and outer clutch groove constitute described resetting-mechanism.
4. door lock arrangement of clutch according to claim 3, it is characterized in that: described elastic component is set to compress spring, and described compression spring is and circumferentially is arranged in the described containing cavity.
5. door lock clutch according to claim 4, it is characterized in that: described clutch also comprises driving tooth, last rotating shaft, last square steel, lower rotary shaft, following square steel, described upward square steel and last rotating shaft are interlock setting, described square steel and lower rotary shaft down, interior clutch part interlock arranges, described outer clutch part is provided with the commutation screw, outer clutch spacing block set and outer clutch drive projection, described upward rotating shaft is provided with the protruding arm of last rotating shaft with the screw fit that commutates, described driving tooth is provided with outer clutch part and drives the protruding arm of driving tooth that projection matches, and a side of described clutch is provided with the spacing rivet that matches with outer clutch spacing block set.
6. door lock arrangement of clutch according to claim 5 is characterized in that: the upper and lower wall of described outer clutch part is respectively arranged with and is the symmetrically arranged installing hole of installing for the commutation screw, and described lower rotary shaft is provided with and the protruding arm of the lower rotary shaft of the screw fit that commutates.
7. door lock arrangement of clutch according to claim 2, it is characterized in that: described resetting-mechanism comprises torsion spring, described torsion spring is provided with two bending ends, interior clutch part is provided with two torsion springs and dials pin, when clutch slot when the corresponding on-of pin position, described two bending ends prop up the adjacent both sides that described two torsion springs are dialled pin respectively.
8. door lock arrangement of clutch according to claim 7 is characterized in that: described panel and the handle of also comprising, described handle be provided with pass panel and with the interlock end of outer clutch part interlock, described torsion spring set is located at the interlock end outside of described handle.
9. door lock arrangement of clutch according to claim 8, it is characterized in that: the inwall of described panel is provided with torsion spring is circumferentially carried out spacing positive stop lug boss.
10. it is characterized in that according to Claim 8 or 9 described door lock arrangement of clutch: force direction one side of two bending ends of the corresponding torsion spring of described panel is respectively arranged with limit base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144527.7A CN103233611B (en) | 2013-04-23 | 2013-04-23 | A kind of door lock clutch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310144527.7A CN103233611B (en) | 2013-04-23 | 2013-04-23 | A kind of door lock clutch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103233611A true CN103233611A (en) | 2013-08-07 |
| CN103233611B CN103233611B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310144527.7A Active CN103233611B (en) | 2013-04-23 | 2013-04-23 | A kind of door lock clutch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103233611B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358472A (en) * | 2014-10-29 | 2015-02-18 | 陈荣龙 | Clutch of handle lock |
| CN107448060A (en) * | 2017-07-07 | 2017-12-08 | 珠海优特物联科技有限公司 | Lock rotary axle component and lock body |
| CN107687289A (en) * | 2017-08-27 | 2018-02-13 | 骆兰珍 | A kind of door lock based on clutch |
| CN109025521A (en) * | 2018-09-07 | 2018-12-18 | 诺电器有限公司 | A kind of smart lock driving device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578427B (en) * | 2019-09-24 | 2021-03-30 | 俞振挺 | Door lock opening device with clutch |
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| US20070157684A1 (en) * | 2006-01-09 | 2007-07-12 | Harrow Products Llc | Manual override mechanism for electromechanical locks |
| US20080011030A1 (en) * | 2006-06-26 | 2008-01-17 | Carlos Ferreira Sanchez | Clutch mechanism couplable to door locks with locking bolt operated by handles or knobs |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358472A (en) * | 2014-10-29 | 2015-02-18 | 陈荣龙 | Clutch of handle lock |
| CN104358472B (en) * | 2014-10-29 | 2017-03-22 | 中山市逸家安防科技有限公司 | Clutch of handle lock |
| CN107448060A (en) * | 2017-07-07 | 2017-12-08 | 珠海优特物联科技有限公司 | Lock rotary axle component and lock body |
| CN107448060B (en) * | 2017-07-07 | 2019-09-27 | 珠海优特物联科技有限公司 | Lock rotary axle component and lock body |
| CN107687289A (en) * | 2017-08-27 | 2018-02-13 | 骆兰珍 | A kind of door lock based on clutch |
| CN107687289B (en) * | 2017-08-27 | 2019-05-10 | 邱博 | A kind of door lock based on clutch |
| CN109025521A (en) * | 2018-09-07 | 2018-12-18 | 诺电器有限公司 | A kind of smart lock driving device |
| CN109025521B (en) * | 2018-09-07 | 2024-02-02 | 一诺电器有限公司 | Intelligent lock driving device |
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| Publication number | Publication date |
|---|---|
| CN103233611B (en) | 2015-09-16 |
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Address after: 325000 Zhenge Road, Pudong Industrial Zone, Guoxi Town, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG VOC TECHNOLOGY Co.,Ltd. Address before: 325000 Zhenhua Road, Huating Village, Panqiao Street, Ouhai District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG VOC ELECTROMECHANICAL SCIENCE & TECHNOLOGY CO.,LTD. |
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Address after: 325000 no.1286, Wenqu East Road, Guoxi street, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG VOC TECHNOLOGY Co.,Ltd. Address before: 325000, No. 38, Zhen Zhen leather Road, Pudong Industrial Zone, Guo Zhen, Ouhai District, Zhejiang, Wenzhou Patentee before: ZHEJIANG VOC TECHNOLOGY Co.,Ltd. |
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Denomination of invention: A door lock clutch device Effective date of registration: 20200911 Granted publication date: 20150916 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG VOC TECHNOLOGY Co.,Ltd. Registration number: Y2020990001104 |
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Date of cancellation: 20231007 Granted publication date: 20150916 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG VOC TECHNOLOGY Co.,Ltd. Registration number: Y2020990001104 |
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