CN105220963A - A kind of locking device and a kind of rack - Google Patents
A kind of locking device and a kind of rack Download PDFInfo
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- CN105220963A CN105220963A CN201510632142.4A CN201510632142A CN105220963A CN 105220963 A CN105220963 A CN 105220963A CN 201510632142 A CN201510632142 A CN 201510632142A CN 105220963 A CN105220963 A CN 105220963A
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- sliding tray
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Abstract
The invention discloses a kind of locking device and a kind of rack, described locking device comprises an initiatively lock, and at least one slave lock; Synchronous axial system is realized by transmission mechanism between described active lock and at least one slave lock described; Described active lock and at least one slave lock described are equipped with cam mechanism, described cam mechanism be used for initiatively lock and at least one slave lock described when locking with described machine cabinet body, identical decrement is provided.The door lock that technical scheme provided by the invention can solve existing rack exists and cannot realize sealing the defect ensured for the whole piece limit of cabinet door.
Description
Technical field
The present invention relates to locking device manufacturing technology field, particularly relate to a kind of locking device and a kind of rack.
Background technology
At present, along with the progress of science and technology and the development of internet, modern rack situation out of doors also gets more and more.Because electronic equipment generally all needs waterproof and protection against the tide, therefore all need to carry out overall encapsulation process for being placed on outdoor rack.And cabinet door is as the import and export of equipment inside rack, its sealing is particularly important.Consider the ease for use of cabinet door, be all generally use hinge, another side door lock realizes folding.Therefore the gate lock for cabinet for rack has just had certain requirement, requires that door lock has certain decrement to weather strip.
The cabinet door of existing rack is general all higher, and the door lock of existing cabinet door uses wedge shape to compress when locking usually, is extruded obtain certain decrement by inclined-plane, therefore there is the sealing that cannot realize whole limit.
In sum, there is the defect of the whole piece limit realization sealing guarantee that cannot be cabinet door in the door lock of existing rack.
Summary of the invention
The invention provides a kind of locking device and a kind of rack, the door lock that technical scheme provided by the invention can solve existing rack exists and cannot realize sealing the defect ensured for the whole piece limit of cabinet door.
The invention discloses a kind of locking device, locking device comprises an initiatively lock, and at least one slave lock;
Initiatively realize synchronous axial system by transmission mechanism between lock and at least one slave lock;
Active is locked and at least one slave lock is equipped with cam mechanism, and cam mechanism is used for, initiatively locking with at least one slave lock when locking with machine cabinet body, providing identical decrement.
Optionally, cam mechanism comprises: dead bolt, limit shaft, rotating shaft, and is set in cam ring, external cam and the shell in rotating shaft successively; Axis of rotation drives the dead bolt being arranged on rotating shaft one end to rotate;
External cam is provided with stopper slot, cam ring is provided with sliding tray;
Rotating shaft is provided with spacing hole; Limit shaft is arranged in spacing hole and the end of limit shaft is positioned at sliding tray and stopper slot;
Wherein, axis of rotation, it is movable to drive in the sliding tray of limit shaft on cam ring and the stopper slot in external cam; Limit shaft drives rotating shaft to extend or retraction activity relative to sliding tray, realizes unblock and the locking of dead bolt.
Optionally, transmission mechanism comprises: driving rack and multiple travelling gear;
Wherein, travelling gear is arranged in active lock and slave lock, the gear teeth in the outside of travelling gear and being meshed of driving rack;
The gear shaft of travelling gear locks with active or the cam ring of slave lock is connected.
Optionally, the stopper slot in external cam comprises: the level trough be interconnected and vertical slots; Wherein, level trough and rotating shaft are mutually vertical, and vertical slots and rotating shaft are parallel to each other.
Optionally, the sliding tray on cam ring is deep-slotted chip breaker;
The minimum point of deep-slotted chip breaker is corresponding with the minimum point of vertical slots; The peak of deep-slotted chip breaker is corresponding with the peak of vertical slots.
Optionally, external cam is symmetrical arranged two stopper slots;
Cam ring is symmetrical arranged two sliding trays.
The invention discloses a kind of rack, rack comprises: machine cabinet body, cabinet door; It is characterized in that, also comprise of being arranged in cabinet door and initiatively lock, and at least one slave lock;
Initiatively realize synchronous axial system by transmission mechanism between lock and at least one slave lock;
Active is locked and at least one slave lock is equipped with cam mechanism, and cam mechanism is used for, initiatively locking with at least one slave lock when locking with machine cabinet body, providing identical decrement.
Optionally, cam mechanism comprises: dead bolt, limit shaft, rotating shaft, and is set in cam ring, external cam and the shell in rotating shaft successively; Axis of rotation drives the dead bolt being arranged on rotating shaft one end to rotate;
External cam is provided with stopper slot, cam ring is provided with sliding tray;
Rotating shaft is provided with spacing hole; Limit shaft is arranged in spacing hole and the end of limit shaft is positioned at sliding tray and stopper slot;
Wherein, axis of rotation, it is movable to drive in the sliding tray of limit shaft on cam ring and the stopper slot in external cam; Limit shaft drives rotating shaft to extend or retraction activity relative to sliding tray, realizes unblock and the locking of dead bolt.
Optionally, transmission mechanism comprises: driving rack and multiple travelling gear;
Wherein, travelling gear is arranged in active lock and slave lock, the gear teeth in the outside of travelling gear and being meshed of driving rack;
The gear shaft of travelling gear locks with active or the cam ring of slave lock is connected.
Optionally, the stopper slot in external cam comprises: the level trough be interconnected and vertical slots; Wherein, level trough and rotating shaft are mutually vertical, and vertical slots and rotating shaft are parallel to each other;
Sliding tray on cam ring is deep-slotted chip breaker; The minimum point of deep-slotted chip breaker is corresponding with the minimum point of vertical slots; The peak of deep-slotted chip breaker is corresponding with the peak of vertical slots.
To sum up, locking device provided by the invention and a kind of rack, described locking device comprises an initiatively lock, and at least one slave lock; Synchronous axial system is realized by transmission mechanism between described active lock and at least one slave lock described; Described active lock and at least one slave lock described are equipped with cam mechanism, described cam mechanism be used for initiatively lock and at least one slave lock described when locking with described machine cabinet body, identical decrement is provided.Visible, technical scheme provided by the invention can realize Multipoint synchronous compression, and synchronous compression amount is identical, thus the door lock solving the single-point lock mode of existing rack exists and cannot realize sealing the defect ensured for the whole piece limit of cabinet door.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of locking device in the present invention;
Fig. 2 is the detonation configuration schematic diagram of a kind of cam mechanism in the present invention;
Fig. 3 is the structural representation of a kind of external cam in the present invention;
Fig. 4 is the stereogram of external cam shown in Fig. 3;
Fig. 5 is the structural representation of a kind of cam ring in the present invention;
Fig. 6 is the stereogram of cam ring in Fig. 5;
Fig. 7 is the structural representation of a kind of active lock in the present invention;
Fig. 8 is the detonation configuration schematic diagram of a kind of active lock in the present invention;
Fig. 9 is the cross-sectional view of a kind of active lock in the present invention;
Figure 10 is the schematic diagram of a kind of active lock in the present invention;
Figure 11 is the schematic diagram of a kind of slave lock in the present invention;
Figure 12 is the structural representation of a kind of driving rack in the present invention.。
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described in detail.
Fig. 1 is the structural representation of a kind of locking device in the present invention, shown in Figure 1, and locking device comprises one and initiatively locks 10, and at least one slave lock 20;
Initiatively lock between 10 and at least one slave lock 20 and realize synchronous axial system by transmission mechanism 30;
Initiatively lock 10 and at least one slave lock 20 on be equipped with cam mechanism 40, cam mechanism 40 for initiatively lock 10 with at least one slave lock 20 locking time, identical decrement is provided.
In an embodiment of the present invention, initiatively lock 10 and have identical internal construction with slave lock 20, the difference of initiatively locking between 10 and slave lock 20 is, the one end of initiatively locking 10 is provided with tapered end 101.Namely in use, by inserting key in tapered end 101, rotating key and driving the rotation of initiatively locking 10; The synchronous axial system of slave lock 20 is driven by the transmission mechanism 30 arranged, and then the cam mechanism 40 by arranging, realize initiatively locking 10, slave lock 20 is when locking, identical decrement is provided, namely this locking device is on the door of rack, when locking, initiatively locking 10, slave lock 20 can apply identical decrement to cabinet door, and then the sealing of realization to cabinet door.
Fig. 2 is the detonation configuration schematic diagram of a kind of cam mechanism in the present invention, and Fig. 3 is the structural representation of a kind of external cam in the present invention, and Fig. 4 is the stereogram of external cam shown in Fig. 3.Fig. 5 is the structural representation of a kind of cam ring in the present invention; Fig. 6 is the stereogram of cam ring in Fig. 5.Shown in Fig. 2 ~ 4, this cam mechanism 40 comprises: dead bolt 402, limit shaft 404, rotating shaft 403, and is set in cam ring 405, external cam 406 and the shell 401 in rotating shaft 403 successively; Rotating shaft 403 is rotated and is driven the dead bolt 402 being arranged on rotating shaft 403 one end to rotate.
External cam 406 is provided with stopper slot 4061, cam ring 405 is provided with sliding tray 4051.
Rotating shaft 403 is provided with spacing hole 4031; Limit shaft 404 is arranged in spacing hole 4031 and the end of limit shaft 404 is positioned at sliding tray 4051 and stopper slot 4061.
Wherein, rotating shaft 403 is rotated, and it is movable to drive in the sliding tray 4051 of limit shaft 404 on cam ring 405 and the stopper slot 4061 in external cam 406; Limit shaft 404 drives rotating shaft 403 to extend or retraction activity relative to sliding tray 4051, realizes unblock and the locking of dead bolt 402.
Shown in Fig. 3 and Fig. 4, in an embodiment of the present invention, the stopper slot in external cam comprises: the level trough be interconnected and vertical slots; Wherein, level trough and rotating shaft are mutually vertical, and vertical slots and rotating shaft are parallel to each other.
Shown in Fig. 5 and Fig. 6, in an embodiment of the present invention, the sliding tray on cam ring is deep-slotted chip breaker; The minimum point of deep-slotted chip breaker is corresponding with the minimum point of vertical slots; The peak of deep-slotted chip breaker is corresponding with the peak of vertical slots.
In a kind of specific embodiment of the present invention, in order to the rotation realizing rotating shaft that can be more stable, external cam is symmetrical arranged two stopper slots; Cam ring is symmetrical arranged two sliding trays.
Fig. 7 is the structural representation of a kind of active lock in the present invention, and Fig. 8 is the detonation configuration schematic diagram of a kind of active lock in the present invention, and Fig. 9 is the cross-sectional view of a kind of active lock in the present invention; See Fig. 7, Fig. 8, Fig. 9 and Fig. 1, transmission mechanism 30 comprises: driving rack 302 and multiple travelling gear 301.Wherein, travelling gear 301 is arranged on and initiatively locks and in slave lock, namely initiatively lock 10 and be provided with travelling gear 301, slave lock 20 is also provided with travelling gear 301.Further, the gear teeth in the outside of travelling gear 301 and being meshed of driving rack 302; The gear shaft of travelling gear 301 locks with active or the cam ring 405 of slave lock is connected, and namely travelling gear 301 and rotating shaft 403 are fixed together, and the rotation of travelling gear 301 can drive the rotation of rotating shaft 403.Therefore, the rotation of initiatively locking the travelling gear 301 on 10 can drive the activity of travelling gear 302, and then drives the rotation of the travelling gear 301 in slave lock 20.
In concrete operations mode of the present invention, in order to active lock and slave lock are fixed on the cabinet door of rack, by mounting flange 407, travelling gear 301, cam mechanism 40 are fixed on the cabinet door of rack.See Fig. 7, mounting flange 407 is tie rod linkage, and bottom hollow out is for installing travelling gear 301, and top is provided with screw for stationary cam mechanism 40, namely mounting flange 407 and shell 401 with the use of, realize the installation of this locking device with fixing.
From the above, in the present invention, initiatively lock 10 and the inside of slave lock 20 be equipped with cam mechanism 40, this cam mechanism 40 is made up of rotating shaft 403, cam ring 405, external cam 406, limit shaft 404 and shell 401.Wherein, in the process of assembling, external cam 406 and shell 401 link together, and cam ring 405 connects together with the gear shaft of travelling gear 301.Together with cam ring 405, external cam 406 and rotating shaft 403 are gone here and there by limit shaft 404.The gear shaft of travelling gear 301 is when rotation, cam ring 405 can be driven to rotate, the effect that cam ring 405 rotates through limit shaft 404 changes into moving up and down of turning cylinder 403, limit shaft 404 also contacts with external cam 406 simultaneously, external cam 406 is provided with the stopper slot 4061 of inverted L shape, the stroke that the groove of vertical direction can provide limit shaft 404 to move up and down, the groove of horizontal direction provides the rotational travel of limit shaft 404 certain angle.Because limit shaft 404 is fixed on the spacing hole in rotating shaft 403, therefore the activity of limit shaft 404 can drive the rotation of rotating shaft 403.And then under the cooperation of the sliding tray 4051 of cam ring 405, when rotating shaft 403 is rotated toward a direction, the rotation of rotating shaft 403 makes dead bolt 402 first turn an angle, arrive predetermined compression position, namely after realizing certain decrement, the rotation of ensuing rotating shaft 403 will make the direction of dead bolt 402 past mounting flange 407 slowly compress, until arrive preposition.The rotation of travelling gear 301 can drive driving rack 302 to link simultaneously, and driving rack 302 drives the rotation of the rotating shaft of the slave lock 10 be attached thereto again, locks while realizing initiatively locking 10 and slave lock 20.
In addition, in a kind of specific embodiment of the present invention, the length of the level trough in the stopper slot 406 of external cam 406 and the length of vertical slots can be arbitrary values; Same, the radian size of the sliding tray 4051 on cam ring 405 can be arbitrary value.Namely the stroke size moved up and down of limit shaft 404 can be any one size, as long as ensure that the vertical slots length of external cam 406 is consistent with the sliding tray height of cam ring 405; Secondly, the stroke size of the rotational angle of rotating shaft is relevant with the radius of limit shaft 404, maximum close to 180 °.Moved by the synthetic position limiting of interior external cam like this, realize rotating shaft rotation and stretching motion function, in conjunction with dead bolt 402, complete locking and the compression of initiatively lock.
The invention also discloses a kind of rack, this rack employs the locking device in above-described embodiment, is specially, and this rack comprises: machine cabinet body, cabinet door; Figure 10 is the schematic diagram of a kind of active lock in the present invention, and Figure 11 is the schematic diagram of a kind of slave lock in the present invention, and Figure 12 is the structural representation of a kind of driving rack in the present invention.Shown in composition graphs 1, initiatively lock 10, slave lock 20 and driving rack 302 be arranged on the racks of rack, wherein, driving rack 302 is provided with sawtooth 3021 with the place of travelling gear 301 joint.
In rack provided by the present invention, comprise of being arranged in cabinet door and initiatively lock, and at least one slave lock; Initiatively realize synchronous axial system by transmission mechanism between lock and at least one slave lock; Active is locked and at least one slave lock is equipped with cam mechanism, and cam mechanism is used for, initiatively locking with at least one slave lock when locking with machine cabinet body, providing identical decrement.
In a kind of specific embodiment of the present invention, cam mechanism comprises: dead bolt, limit shaft, rotating shaft, and is set in cam ring, external cam and the shell in rotating shaft successively; Axis of rotation drives the dead bolt being arranged on rotating shaft one end to rotate; External cam is provided with stopper slot, cam ring is provided with sliding tray; Rotating shaft is provided with spacing hole; Limit shaft is arranged in spacing hole and the end of limit shaft is positioned at sliding tray and stopper slot; Wherein, axis of rotation, it is movable to drive in the sliding tray of limit shaft on cam ring and the stopper slot in external cam; Limit shaft drives rotating shaft to extend or retraction activity relative to sliding tray, realizes unblock and the locking of dead bolt.
In a kind of specific embodiment of the present invention, transmission mechanism comprises: driving rack and multiple travelling gear; Wherein, travelling gear is arranged in active lock and slave lock, the gear teeth in the outside of travelling gear and being meshed of driving rack; The gear shaft of travelling gear locks with active or the cam ring of slave lock is connected.
In a kind of specific embodiment of the present invention, the stopper slot in external cam comprises: the level trough be interconnected and vertical slots; Wherein, level trough and rotating shaft are mutually vertical, and vertical slots and rotating shaft are parallel to each other.
In a kind of specific embodiment of the present invention, the sliding tray on cam ring is deep-slotted chip breaker; The minimum point of deep-slotted chip breaker is corresponding with the minimum point of vertical slots; The peak of deep-slotted chip breaker is corresponding with the peak of vertical slots;
In a kind of specific embodiment of the present invention, external cam is symmetrical arranged two stopper slots; Cam ring is symmetrical arranged two sliding trays.
In a kind of specific embodiment of the present invention, the part in this locking device adopts aluminium alloys to make, and appearance carries out hardening oxidation.
In a kind of specific embodiment of the present invention, travelling gear and driving rack adopt stainless steel to make, and therefore possess enough hardness and intensity, better can realize Synchronous Transmission.
In a kind of specific embodiment of the present invention, the place polyfluortetraethylene plate that this locking device contacts with cabinet door, thus the astringent sense of Metal Contact in motion process can be eliminated, play lubrication.
Below with in specific embodiment, working mechanism of the present invention is described.Shown in Fig. 1 and Fig. 7,
Initiatively lock in 10 and slave lock 20 cabinet door by the fixing rack of mounting flange 407, wherein, the tapered end 101 initiatively lock 10 is stretched out by the hole that cabinet door is reserved, and this tapered end 101 and key match.Initiatively locking between 10 with slave lock 20 coordinates realization to be interconnected by travelling gear 301 with driving rack 302.
In the process used, insert key turns tapered end 101, tapered end 101 other end is connected with cam mechanism 40, the rotating shaft 403 inside cam mechanism 40 is driven to rotate time tapered end 101 rotates, the rotation of turning cylinder 403 makes dead bolt 402 first turn an angle under the position-limiting action of cam ring and external cam, arrive predetermined compression position, ensuing rotation will make the direction of dead bolt 402 past mounting flange 407 slowly compress, until arrive preposition.Tapered end 101 is connected with travelling gear 301, travelling gear 301 can drive driving rack 302 to link while rotating, driving rack 302 drives upper and lower two slave locks 20 again, because the stroke of the transmission of travelling gear 301 and driving rack 302 is the same, so slave lock 20 is synchronous axial system with what initiatively lock 10 realizations, can ensure that three dead bolts realize synchronous axial system, synchronous compression like this.And then realization compression locking that can be mild, smooth.
From the above, locking device provided by the invention and a kind of rack, described locking device comprises an initiatively lock, and at least one slave lock; Synchronous axial system is realized by transmission mechanism between described active lock and at least one slave lock described; Described active lock and at least one slave lock described are equipped with cam mechanism, described cam mechanism be used for initiatively lock and at least one slave lock described when locking with described machine cabinet body, identical decrement is provided.Visible, technical scheme provided by the invention can realize Multipoint synchronous compression, and synchronous compression amount is identical, thus the door lock solving the single-point lock mode of existing rack exists and cannot realize sealing the defect ensured for the whole piece limit of cabinet door.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a locking device, is characterized in that, described locking device comprises an initiatively lock, and at least one slave lock;
Synchronous axial system is realized by transmission mechanism between described active lock and at least one slave lock described;
Described active lock and at least one slave lock described are equipped with cam mechanism, described cam mechanism be used for initiatively lock and at least one slave lock described when locking with described machine cabinet body, identical decrement is provided.
2. locking device according to claim 1, is characterized in that,
Described cam mechanism comprises: dead bolt, limit shaft, rotating shaft, and is set in cam ring, external cam and the shell in described rotating shaft successively; Described axis of rotation drives the dead bolt being arranged on rotating shaft one end to rotate;
Described external cam is provided with stopper slot, described cam ring is provided with sliding tray;
Described rotating shaft is provided with spacing hole; Described limit shaft is arranged in described spacing hole and the end of described limit shaft is positioned at described sliding tray and stopper slot;
Wherein, described axis of rotation, it is movable to drive in the sliding tray of described limit shaft on described cam ring and the stopper slot in external cam; Described limit shaft drives described rotating shaft to extend or retraction activity relative to described sliding tray, realizes unblock and the locking of described dead bolt.
3. locking device according to claim 2, is characterized in that, described transmission mechanism comprises: driving rack and multiple travelling gear;
Wherein, described travelling gear is arranged in described active lock and described slave lock, the gear teeth in the outside of described travelling gear and being meshed of described driving rack;
The gear shaft of described travelling gear is connected with the cam ring of described active lock or slave lock.
4. locking device according to claim 1, is characterized in that, the stopper slot in described external cam comprises: the level trough be interconnected and vertical slots; Wherein, described level trough is mutually vertical with described rotating shaft, and described vertical slots and described rotating shaft are parallel to each other.
5. locking device according to claim 3, is characterized in that, the sliding tray on described cam ring is deep-slotted chip breaker;
The minimum point of described deep-slotted chip breaker is corresponding with the minimum point of described vertical slots; The peak of described deep-slotted chip breaker is corresponding with the peak of described vertical slots.
6. locking device according to claim 1, is characterized in that,
Described external cam is symmetrical arranged two stopper slots;
Described cam ring is symmetrical arranged two sliding trays.
7. a rack, described rack comprises: machine cabinet body, cabinet door; It is characterized in that, also comprise of being arranged in described cabinet door and initiatively lock, and at least one slave lock;
Synchronous axial system is realized by transmission mechanism between described active lock and at least one slave lock described;
Described active lock and at least one slave lock described are equipped with cam mechanism, described cam mechanism be used for initiatively lock and at least one slave lock described when locking with described machine cabinet body, identical decrement is provided.
8. rack according to claim 7, is characterized in that, described cam mechanism comprises: dead bolt, limit shaft, rotating shaft, and is set in cam ring, external cam and the shell in described rotating shaft successively; Described axis of rotation drives the dead bolt being arranged on rotating shaft one end to rotate;
Described external cam is provided with stopper slot, described cam ring is provided with sliding tray;
Described rotating shaft is provided with spacing hole; Described limit shaft is arranged in described spacing hole and the end of described limit shaft is positioned at described sliding tray and stopper slot;
Wherein, described axis of rotation, it is movable to drive in the sliding tray of described limit shaft on described cam ring and the stopper slot in external cam; Described limit shaft drives described rotating shaft to extend or retraction activity relative to described sliding tray, realizes unblock and the locking of described dead bolt.
9. rack according to claim 7, is characterized in that, described transmission mechanism comprises: driving rack and multiple travelling gear;
Wherein, described travelling gear is arranged in described active lock and described slave lock, the gear teeth in the outside of described travelling gear and being meshed of described driving rack;
The gear shaft of described travelling gear is connected with the cam ring of described active lock or slave lock.
10. rack according to claim 7, is characterized in that, the stopper slot in described external cam comprises: the level trough be interconnected and vertical slots; Wherein, described level trough is mutually vertical with described rotating shaft, and described vertical slots and described rotating shaft are parallel to each other;
Sliding tray on described cam ring is deep-slotted chip breaker;
The minimum point of described deep-slotted chip breaker is corresponding with the minimum point of described vertical slots; The peak of described deep-slotted chip breaker is corresponding with the peak of described vertical slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632142.4A CN105220963B (en) | 2015-09-29 | 2015-09-29 | A kind of locking device and a kind of rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510632142.4A CN105220963B (en) | 2015-09-29 | 2015-09-29 | A kind of locking device and a kind of rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105220963A true CN105220963A (en) | 2016-01-06 |
| CN105220963B CN105220963B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510632142.4A Active CN105220963B (en) | 2015-09-29 | 2015-09-29 | A kind of locking device and a kind of rack |
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| Country | Link |
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| CN (1) | CN105220963B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557970A1 (en) * | 1975-12-22 | 1977-07-21 | Egon Gelhard | Vehicle door locking and closing mechanism - has storage flywheel with small electric motor for central closing (SW 6.6.77) |
| CN201763078U (en) * | 2010-07-29 | 2011-03-16 | 佛山市南海区美品五金电器有限公司 | Linkage multi-point lock |
| CN202047673U (en) * | 2011-05-03 | 2011-11-23 | 罗保德 | Anti-theft door lock with sliding bolt |
| CN202866453U (en) * | 2012-07-20 | 2013-04-10 | 浙江忠恒锁业有限公司 | Safe-guard chain door lock with synchronous double-hook spring bolts |
| CN203669547U (en) * | 2013-12-25 | 2014-06-25 | 广东志成冠军集团有限公司 | Door lock device and direct-current power supply distribution cabinet for communication using same |
-
2015
- 2015-09-29 CN CN201510632142.4A patent/CN105220963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2557970A1 (en) * | 1975-12-22 | 1977-07-21 | Egon Gelhard | Vehicle door locking and closing mechanism - has storage flywheel with small electric motor for central closing (SW 6.6.77) |
| CN201763078U (en) * | 2010-07-29 | 2011-03-16 | 佛山市南海区美品五金电器有限公司 | Linkage multi-point lock |
| CN202047673U (en) * | 2011-05-03 | 2011-11-23 | 罗保德 | Anti-theft door lock with sliding bolt |
| CN202866453U (en) * | 2012-07-20 | 2013-04-10 | 浙江忠恒锁业有限公司 | Safe-guard chain door lock with synchronous double-hook spring bolts |
| CN203669547U (en) * | 2013-12-25 | 2014-06-25 | 广东志成冠军集团有限公司 | Door lock device and direct-current power supply distribution cabinet for communication using same |
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| Publication number | Publication date |
|---|---|
| CN105220963B (en) | 2017-11-14 |
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