CN203603630U - Straight pull type crank lock - Google Patents
Straight pull type crank lock Download PDFInfo
- Publication number
- CN203603630U CN203603630U CN201320832892.2U CN201320832892U CN203603630U CN 203603630 U CN203603630 U CN 203603630U CN 201320832892 U CN201320832892 U CN 201320832892U CN 203603630 U CN203603630 U CN 203603630U
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- pivot
- handle
- lock core
- pedestal
- lock
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- Expired - Lifetime
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 80
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
A straight pull type crank lock comprises a handle and a base. The straight pull type crank lock is characterized in that the two ends of the handle are a rotating end and a locking end respectively, the base is provided with a sliding block, and the sliding block is in sliding connection with the base. The rotating end of the handle is hinged to one end of the sliding block through a first pivot, and the axial direction of the first pivot is perpendicular to the sliding direction of the sliding block. A connecting rod is arranged between the handle and the base, one end of the connecting rod is hinged to the middle portion of the base through a second pivot, the other end of the connecting rod is hinged to the middle portion of the handle through a third pivot, the axial direction of the second pivot and the axial direction of the third pivot are both parallel to that of the first pivot, and the second pivot is arranged on the sliding track of the sliding block. A locking structure is arranged on the base corresponding to the locking end of the handle, and the locking structure is used for locking the locking end of the handle to the base. When the handle is locked on the base, the third pivot is located between the first pivot and the second pivot. The straight pull type crank lock meets ergonomics better, and operation is simple and convenient.
Description
Technical field
The utility model relates to lockset, relates in particular to a kind of Straight pull crank handle lock, is applicable to door and cabinet, is particularly useful for electrical control cabinet etc.
Background technology
Crank handle lock is widely used in the fields such as industry enclosure, engineering mechanical device, communication, medical technology, refrigeration, food industry, Environmental Technology and rail locomotive because of its little, degree of protection is high advantage that takes up room.Shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, conventional crank handle lock comprises pedestal 1 and handle 2 at present, between handle 2 and pedestal 1, is provided with locking mechanism, and shown in accompanying drawing 1, under lock-out state, handle 2 is locked on pedestal 1; While opening the door, need following three steps of experience: the first step, referring to shown in accompanying drawing 2, by the locking mechanism release between handle 2 and pedestal 1, handle 2 is pulled away from pedestal 1; Second step, referring to shown in accompanying drawing 3, leave at handle 2 under the state of pedestal 1, turning handle 2, by handle 2 clockwise or rotate counterclockwise the release that realizes crank handle lock after 90 °; The 3rd step, by Men Lakai.Because the crank handle lock of prior art just can unblank to open the door after need to rotating in the time opening the door, complicated operation, and do not meet ergonomics.So, how to provide a kind of crank handle lock simple, convenient and that meet ergonomics just to become research topic of the present utility model.
Summary of the invention
It is a kind of simple, convenient and meet the crank handle lock of ergonomics that the purpose of this utility model is to provide.
For achieving the above object, the technical solution adopted in the utility model is: a kind of Straight pull crank handle lock, comprise handle and pedestal, and its innovation is: the two ends of described handle are divided into and rotated end and keyed end, described pedestal is provided with a slide block, and this slide block and pedestal are slidably connected;
The rotation end of described handle is hinged by one end of the first pivot and slide block, the glide direction that is axially perpendicular to slide block of the first pivot;
Between described handle and pedestal, be provided with a connecting rod, one end of connecting rod is hinged by the second pivot and pedestal middle part, the other end of connecting rod is hinged by the middle part of the 3rd pivot and described handle, the axial of the second pivot and the 3rd pivot is all parallel to the axial of the first pivot, and the second pivot is arranged on the sliding trace of described slide block;
Keyed end corresponding to handle on described pedestal is provided with latch-up structure, this latch-up structure is for being locked in pedestal by the keyed end of handle, stop handle around the first pivot swinging with this, in the time that handle locking is on pedestal, described the 3rd pivot is between the first pivot and the second pivot.
Related content in technique scheme is explained as follows:
1, in such scheme, on described the first pivot or the second pivot or the 3rd pivot, be arranged with the first torsion spring, two torsion spring arms of this first torsion spring act on respectively on described pedestal and handle, and the elastic force of the first torsion spring forces the keyed end of handle away from pedestal.
2, in such scheme, on described slide block, convex with the first projection corresponding to the first pivot, described the first pivot is arranged in this first projection.
3, in such scheme, on described pedestal, convex with the second projection corresponding to the second pivot, described the second pivot is arranged in this second projection.
4, in such scheme, described latch-up structure comprises lock core base, lock core and dead bolt, lock core base is hinged by the 4th pivot and described pedestal, on lock core base, offer a pilot hole corresponding to lock core, lock core rotates and is located in this pilot hole, dead bolt is fixed on the bottom of lock core, and a described lock core base dorsad side of handle convexes with press section;
On described lock core base, meet to the keyed end of handle and convex with locking teeth, locking teeth is provided with spigot surface, and the keyed end of handle offers latch recess corresponding to locking teeth;
Between described lock core base and pedestal, have lock-out state and released state, the rotation of described lock core drives the rotation of dead bolt, thus lock-out state and released state between conversion lock core base and pedestal;
Under lock-out state, between described press section and pedestal, interval is arranged, described dead bolt abuts against the respective side of lock core base lower end and press section, stops lock core base around the 4th pivot swinging with this, locking teeth embeds in latch recess, stops handle around the first pivot swinging with this;
Under released state, described dead bolt leaves the respective side of lock core base lower end and press section, and now, lock core base can, around the 4th pivot swinging, be pressed press section towards pedestal, and locking teeth departs from from latch recess, and handle can be around the first pivot swinging.
5, in such scheme, on described the 4th pivot, be arranged with the second torsion spring, two torsion spring arms of the second torsion spring are resisted against respectively between described pedestal and lock core base, and the elastic force of torsion spring forces press section away from pedestal.
6, in such scheme, described latch-up structure comprises lock core base, lock core and dead bolt, on lock core base, offers a pilot hole corresponding to lock core, and lock core rotates and is located in this pilot hole, and dead bolt is fixed on the bottom of lock core;
On described handle, offer latch recess corresponding to dead bolt;
Between described lock core base and pedestal, have lock-out state and released state, the rotation of described lock core drives the rotation of dead bolt, thus lock-out state and released state between conversion lock core base and pedestal;
Under lock-out state, described dead bolt embeds in latch recess, stops handle around the first pivot swinging with this;
Under released state, described dead bolt leaves latch recess, and now, described handle can be around the first pivot swinging.
7, in such scheme, on described pedestal, offer gathering sill corresponding to described slide block, slide block is embedded in this gathering sill.
The utility model operating principle and advantage: the utility model, by slide block is set on pedestal, is with movable slider to slide while pulling handle, a locking bar is set on slide block in the time of practical application, and the slip of slide block drives the motion of locking bar, thereby realizes the locking and unlocking of door; The utility model, in the time opening the door, first by the locking mechanism release between handle and pedestal, by handle pull-out, can be realized the locking and unlocking of door, does not need turning handle, more meets ergonomics, simple to operation.
Accompanying drawing explanation
Accompanying drawing 1 is prior art crank handle lock lock-out state stereogram;
Accompanying drawing 2 is that prior art crank handle lock handle departs from tridimensional figure;
Accompanying drawing 3 is prior art crank handle lock released state stereogram;
Accompanying drawing 4 is the utility model embodiment three-dimensional exploded view;
Accompanying drawing 5 is the utility model embodiment lock-out state stereogram;
Accompanying drawing 6 is the utility model embodiment lock-out state sectional view;
Accompanying drawing 7 is that the utility model embodiment handle ejects state stereogram;
Accompanying drawing 8 is that the utility model embodiment handle ejects state sectional view;
Accompanying drawing 9 is the utility model embodiment unlocking condition stereogram;
Accompanying drawing 10 is the utility model embodiment unlocking condition sectional view;
Accompanying drawing 11 is the application sectional view of the utility model embodiment lock-out state;
Accompanying drawing 12 is the application sectional view of the utility model embodiment unlocking condition.
In above accompanying drawing: 1, pedestal; 2, handle; 3, key; 4, handle casing; 5, mount pad; 6, the first pivot; 7, connecting rod; 8, the second pivot; 9, the 3rd pivot; 10, slide block; 11, the first projection; 12, the second projection; 13, lock core; 14, dead bolt; 15, locking teeth; 16, press section; 17, the 4th pivot; 18, the second torsion spring; 19, the first torsion spring; 20, latch recess; 21, locking bar; 22, door-plate; 23, doorframe.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of Straight pull crank handle lock
Shown in accompanying drawing 4 ~ accompanying drawing 10, comprise handle 2 and pedestal 1, the two ends of described handle 2 are divided into and are rotated end and keyed end, handle 2 is fixedly connected with and forms with mount pad 5 by handle casing 4, described pedestal 1 is provided with a slide block 10, this slide block 10 is slidably connected with pedestal 1, on described pedestal 1, offers gathering sill corresponding to described slide block 10, and slide block 10 is embedded in this gathering sill.
The rotation end of described handle 2 is hinged with one end of slide block 10 by the first pivot 6, the glide direction that is axially perpendicular to slide block 10 of the first pivot 6.
Between described mount pad 5 and pedestal 1, be provided with a connecting rod 7, one end of connecting rod 7 is hinged with pedestal 1 middle part by the second pivot 8, the other end of connecting rod 7 is hinged with the middle part of described mount pad 5 by the 3rd pivot 9, the axial of the second pivot 8 and the 3rd pivot 9 is all parallel to the axial of the first pivot 6, and the second pivot 8 is arranged on the sliding trace of described slide block 10.
On described pedestal 1, be provided with latch-up structure corresponding to the keyed end of handle 2, this latch-up structure is for being locked in pedestal 1 by the keyed end of handle 2, stop handle 2 to swing around the first pivot 6 with this, under lock-out state, described the 3rd pivot 9 is between the first pivot 6 and the second pivot 8.
On described the 3rd pivot 9, be arranged with the first torsion spring 19, two torsion spring arms of this first torsion spring 19 act on respectively on described pedestal 1 and handle 2, and the elastic force of the first torsion spring 19 forces the keyed end of handle 2 away from pedestal 1.
On described slide block 10, convex with the first projection 11 corresponding to the first pivot 6, described the first pivot 6 is arranged in this first projection 11.
On described pedestal 1, convex with the second projection 12 corresponding to the second pivot 8, described the second pivot 8 is arranged in this second projection 12.
Described latch-up structure comprises lock core base, lock core 13 and dead bolt 14, lock core base is hinged with described pedestal 1 by the 4th pivot 17, on lock core base, offer a pilot hole corresponding to lock core 13, lock core 13 rotates to be located in this pilot hole, dead bolt 14 is fixed on the bottom of lock core 13, and a described lock core base dorsad side of handle 2 convexes with press section 16.
On described lock core base, meet to the keyed end of handle 2 and convex with locking teeth 15, locking teeth 15 is provided with spigot surface, and the keyed end of handle 2 offers latch recess 20 corresponding to locking teeth 15.
Between described lock core base and pedestal 1, have lock-out state and released state, the rotation of described lock core 13 drives the rotation of dead bolt 14, thus lock-out state and released state between conversion lock core base and pedestal 1.
Under lock-out state, between described press section 16 and pedestal 1, interval is arranged, described dead bolt 14 abuts against the respective side of lock core base lower end and press section 16, stops lock core base to swing around the 4th pivot 17 with this, locking teeth 15 embeds in latch recess 20, stops handle 2 to swing around the first pivot 6 with this.
Under released state, described dead bolt 14 leaves the respective side of lock core base lower end and press section 16, now, lock core base can swing around the 4th pivot 17, press section 16 is pressed towards pedestal 1, and locking teeth 15 departs from from latch recess 20, and handle 2 can swing around the first pivot 6.
Two torsion spring arms that are arranged with the second torsion spring 18, the second torsion springs 18 on described the 4th pivot 17 are resisted against respectively between described pedestal 1 and lock core base, and the elastic force of the second torsion spring 18 forces press section 16 away from pedestal 1.
Shown in accompanying drawing 5 and accompanying drawing 6, accompanying drawing 5 and accompanying drawing 6 are respectively stereogram and the sectional view of the utility model embodiment lock-out state, under lock-out state, dead bolt 14 supports establishes a side corresponding with press section 16 with lock core base bottom, now, press section 16 cannot press down, and locking teeth 15 is embedded in the latch recess 20 of handle 2 keyed ends, handle 2 is locked on pedestal 1, and handle 2 cannot swing around the first pivot 6.
Shown in accompanying drawing 7 and accompanying drawing 8, accompanying drawing 7 and accompanying drawing 8 are respectively the utility model embodiment handle 2 and eject stereogram and the sectional view of state from pedestal 1, insert after key 3 rotational lock cores 13, dead bolt 14 leaves a lock core base bottom side corresponding with press section 16, now press press section 16, locking teeth 15 is deviate from from the latch recess 20 of handle 2 keyed ends, and under the effect of the first torsion spring 19, handle 2 ejects.
Shown in accompanying drawing 9 and accompanying drawing 10, accompanying drawing 9 and accompanying drawing 10 are respectively stereogram and the sectional view of the utility model embodiment unlocking condition, under the state ejecting from pedestal 1 at handle 2, continue to be pulled outwardly handle 2, because the rotation end of handle 2 is hinged with one end of slide block 10 by the first pivot 6, between handle 2 and pedestal 1, be connected by connecting rod 7, therefore when pulling handle 2, handle 2 is with movable slider 10 to slide on pedestal 1.
Shown in accompanying drawing 11, accompanying drawing 11 is arranged on the lock-out state sectional view on door for the utility model Straight pull crank handle lock, on slide block, be fixed with locking bar 21, Straight pull crank handle lock is arranged on door-plate 22, on doorframe 23 and door-plate 22, offer lock hole corresponding to locking bar 21, under lock-out state, slide block 10 drives locking bar 21 to wear in the lock hole of doorframe 23 and door-plate 22, with this, door-plate 22 is locked on doorframe 23.
Shown in accompanying drawing 12, accompanying drawing 12 is arranged on the released state sectional view on door for the utility model Straight pull crank handle lock, when pulling handle 1, slide block 10 slides on pedestal 1, thereby drive locking bar 21 to spin off from the lock hole of doorframe 23 and door-plate 22, with this, by door-plate 22 and doorframe 23 releases, now, door-plate 22 can be opened.
Above-mentioned latch-up structure also can adopt following structure: comprise lock core base, lock core and dead bolt, on lock core base, offer a pilot hole corresponding to lock core, lock core rotates and is located in this pilot hole, and dead bolt is fixed on the bottom of lock core;
On described handle, offer latch recess corresponding to dead bolt;
Between described lock core base and pedestal, have lock-out state and released state, the rotation of described lock core drives the rotation of dead bolt, thus lock-out state and released state between conversion lock core base and pedestal;
Under lock-out state, described dead bolt embeds in latch recess, stops handle around the first pivot swinging with this;
Under released state, described dead bolt leaves latch recess, and now, described handle can be around the first pivot swinging.
In above-described embodiment, on described the 3rd pivot 9, be arranged with the first torsion spring 19, the effect of the first torsion spring 19 is to force handle 2 to eject from pedestal 1 in the time that locking teeth 15 spins off from latch recess 20, and in the time of practical application, if the first torsion spring 10 is set on the second pivot 8 or the first pivot 6, can also reaches same effect; Or, the first torsion spring 19 is not set, and in the time that locking teeth 15 spins off from latch recess 20, manually handle 2 is pulled out and also can.
The utility model, by slide block 10 is set on pedestal 1, is with movable slider 10 to slide while pulling handle 1, a locking bar 21 is set on slide block 10 in the time of practical application, and the slip of slide block 10 drives the motion of locking bar 21, thereby realizes the locking and unlocking of door-plate 22; The utility model, in the time opening the door, first, by the locking mechanism release between handle 2 and pedestal 1, pulls out handle 2, can realize the locking and unlocking of door-plate 22, does not need turning handle 2, more meets ergonomics, simple to operation.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (8)
1. a Straight pull crank handle lock, comprises handle and pedestal, it is characterized in that: the two ends of described handle are divided into and rotated end and keyed end, and described pedestal is provided with a slide block, and this slide block and pedestal are slidably connected;
The rotation end of described handle is hinged by one end of the first pivot and slide block, the glide direction that is axially perpendicular to slide block of the first pivot;
Between described handle and pedestal, be provided with a connecting rod, one end of connecting rod is hinged by the second pivot and pedestal middle part, the other end of connecting rod is hinged by the middle part of the 3rd pivot and described handle, the axial of the second pivot and the 3rd pivot is all parallel to the axial of the first pivot, and the second pivot is arranged on the sliding trace of described slide block;
Keyed end corresponding to handle on described pedestal is provided with latch-up structure, this latch-up structure is for being locked in pedestal by the keyed end of handle, stop handle around the first pivot swinging with this, in the time that handle locking is on pedestal, described the 3rd pivot is between the first pivot and the second pivot.
2. Straight pull crank handle lock according to claim 1, it is characterized in that: on described the first pivot or the second pivot or the 3rd pivot, be arranged with the first torsion spring, two torsion spring arms of this first torsion spring act on respectively on described pedestal and handle, and the elastic force of the first torsion spring forces the keyed end of handle away from pedestal.
3. Straight pull crank handle lock according to claim 1 and 2, is characterized in that: on described slide block, convex with the first projection corresponding to the first pivot, described the first pivot is arranged in this first projection.
4. Straight pull crank handle lock according to claim 1 and 2, is characterized in that: on described pedestal, convex with the second projection corresponding to the second pivot, described the second pivot is arranged in this second projection.
5. Straight pull crank handle lock according to claim 1 and 2, it is characterized in that: described latch-up structure comprises lock core base, lock core and dead bolt, lock core base is hinged by the 4th pivot and described pedestal, on lock core base, offer a pilot hole corresponding to lock core, lock core rotates and is located in this pilot hole, dead bolt is fixed on the bottom of lock core, and a described lock core base dorsad side of handle convexes with press section;
On described lock core base, meet to the keyed end of handle and convex with locking teeth, locking teeth is provided with spigot surface, and the keyed end of handle offers latch recess corresponding to locking teeth;
Between described lock core base and pedestal, have lock-out state and released state, the rotation of described lock core drives the rotation of dead bolt, thus lock-out state and released state between conversion lock core base and pedestal;
Under lock-out state, between described press section and pedestal, interval is arranged, described dead bolt abuts against the respective side of lock core base lower end and press section, stops lock core base around the 4th pivot swinging with this, locking teeth embeds in latch recess, stops handle around the first pivot swinging with this;
Under released state, described dead bolt leaves the respective side of lock core base lower end and press section, and now, lock core base can, around the 4th pivot swinging, be pressed press section towards pedestal, and locking teeth departs from from latch recess, and handle can be around the first pivot swinging.
6. Straight pull crank handle lock according to claim 5, it is characterized in that: on described the 4th pivot, be arranged with the second torsion spring, two torsion spring arms of the second torsion spring are resisted against respectively between described pedestal and lock core base, and the elastic force of the second torsion spring forces press section away from pedestal.
7. Straight pull crank handle lock according to claim 1 and 2, it is characterized in that: described latch-up structure comprises lock core base, lock core and dead bolt, on lock core base, offer a pilot hole corresponding to lock core, lock core rotates and is located in this pilot hole, and dead bolt is fixed on the bottom of lock core;
On described handle, offer latch recess corresponding to dead bolt;
Between described lock core base and pedestal, have lock-out state and released state, the rotation of described lock core drives the rotation of dead bolt, thus lock-out state and released state between conversion lock core base and pedestal;
Under lock-out state, described dead bolt embeds in latch recess, stops handle around the first pivot swinging with this;
Under released state, described dead bolt leaves latch recess, and now, described handle can be around the first pivot swinging.
8. Straight pull crank handle lock according to claim 1, is characterized in that: on described pedestal, offer gathering sill corresponding to described slide block, slide block is embedded in this gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832892.2U CN203603630U (en) | 2013-12-17 | 2013-12-17 | Straight pull type crank lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320832892.2U CN203603630U (en) | 2013-12-17 | 2013-12-17 | Straight pull type crank lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603630U true CN203603630U (en) | 2014-05-21 |
Family
ID=50716310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320832892.2U Expired - Lifetime CN203603630U (en) | 2013-12-17 | 2013-12-17 | Straight pull type crank lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603630U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374592A (en) * | 2015-10-30 | 2016-03-02 | 长园共创电力安全技术股份有限公司 | Three-dimensional transmission unblocking device |
| CN106013959A (en) * | 2016-07-15 | 2016-10-12 | 温州卡五金有限公司 | Linkage type rotary handle |
| CN106245992A (en) * | 2016-08-24 | 2016-12-21 | 中国航天科技集团公司长征机械厂 | Lifting-handle-type vacuum chamber locking device |
| CN106593090A (en) * | 2017-01-24 | 2017-04-26 | 苏州德仕耐五金技术有限公司 | Straight pull type crank lock with two locking states |
| CN106761041A (en) * | 2017-01-24 | 2017-05-31 | 苏州德仕耐五金技术有限公司 | It is a kind of that there are two kinds of locking mechanisms of the crank handle lock of lock-out state |
| CN109707240A (en) * | 2019-01-16 | 2019-05-03 | 新利同创（天津）电子设备有限公司 | A kind of link-type net cabinet back door lock |
| CN113605787A (en) * | 2021-09-07 | 2021-11-05 | 浙江德乐五金科技有限公司 | Plane lock |
| CN114033250A (en) * | 2021-09-24 | 2022-02-11 | 东莞怡合达自动化股份有限公司 | Handle lock |
-
2013
- 2013-12-17 CN CN201320832892.2U patent/CN203603630U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105374592A (en) * | 2015-10-30 | 2016-03-02 | 长园共创电力安全技术股份有限公司 | Three-dimensional transmission unblocking device |
| CN106013959A (en) * | 2016-07-15 | 2016-10-12 | 温州卡五金有限公司 | Linkage type rotary handle |
| CN106245992A (en) * | 2016-08-24 | 2016-12-21 | 中国航天科技集团公司长征机械厂 | Lifting-handle-type vacuum chamber locking device |
| CN106245992B (en) * | 2016-08-24 | 2018-02-06 | 中国航天科技集团公司长征机械厂 | Lifting-handle-type vacuum chamber locking device |
| CN106593090A (en) * | 2017-01-24 | 2017-04-26 | 苏州德仕耐五金技术有限公司 | Straight pull type crank lock with two locking states |
| CN106761041A (en) * | 2017-01-24 | 2017-05-31 | 苏州德仕耐五金技术有限公司 | It is a kind of that there are two kinds of locking mechanisms of the crank handle lock of lock-out state |
| CN106761041B (en) * | 2017-01-24 | 2022-06-21 | 苏州德仕耐五金技术有限公司 | Locking mechanism of crank lock with two locking states |
| CN109707240A (en) * | 2019-01-16 | 2019-05-03 | 新利同创（天津）电子设备有限公司 | A kind of link-type net cabinet back door lock |
| CN113605787A (en) * | 2021-09-07 | 2021-11-05 | 浙江德乐五金科技有限公司 | Plane lock |
| CN114033250A (en) * | 2021-09-24 | 2022-02-11 | 东莞怡合达自动化股份有限公司 | Handle lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |