CN206667995U - Locking device and door - Google Patents
Locking device and door Download PDFInfo
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- CN206667995U CN206667995U CN201720410227.2U CN201720410227U CN206667995U CN 206667995 U CN206667995 U CN 206667995U CN 201720410227 U CN201720410227 U CN 201720410227U CN 206667995 U CN206667995 U CN 206667995U
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- rack
- retaining mechanism
- roller
- locking
- insertion retaining
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Abstract
The utility model discloses a kind of locking device and door.Locking device of the present utility model includes rotating handles, synchronising (connecting) rod, at least three racks insertion retaining mechanism and at least three roller lock mechanisms；Each rack insertion retaining mechanism is engaged with corresponding roller lock mechanism；The rotating handles is disposed therein on a rack insertion retaining mechanism, the rack for being provided with the rotating handles is inserted retaining mechanism and is connected with other racks insertion retaining mechanism by the synchronising (connecting) rod, is locked or is synchronously unlocked so that at least three rack insertion retaining mechanism is synchronous with corresponding roller lock mechanism.Locking device of the present utility model is used cooperatively synchronising (connecting) rod due to inserting retaining mechanism and multiple roller lock mechanisms using multiple racks, realizes single-point operation, multi-point locking function well.
Description
Technical field
A kind of locking device and door are the utility model is related to, especially a kind of locking of single-point driving multi-point locking hermatic door
Device and hermatic door.
Background technology
Hermatic door is the important leverage of safety in production life.The sealing of door directly influences the effect of production with locking device
Rate and safety.In some special dimensions (such as medical examination apparatus DR and MRI), hermatic door is vital；It not only will
Ensure freeing in and out for doctor, patient and equipment, also to obstruct radiation effect of the internal unit to external environment, more to shield outer
Interference of boundary's environment to internal unit.
Existing MRI screened rooms shielding door latch structure is mostly the single-point retaining mechanism of springlock or rotary lock structure, and some are shielded
Room is locked equipped with mechanical knife or connecting rod inserting lock, more has screened room to be mounted with electric door lock.Application No. 201420061575.X
Chinese patent application disclose a kind of mechanical rotary lock structure 10 for self-shileding system mask door, as shown in Figure 1.Pass through rotation
Changing hands handle 101 drives the dead bolt 103 that is connected to above arm pivot post 102 to rotate, and dead bolt 103 is along 104 inclined plane parts of lock to downslide
It is dynamic, so as to realize the locking of shield door.The mechanical rotary lock structure can only realize the single-point locking of shield door.In order to preferably realize
Shielding and sealing function, shield door would generally be equipped with copper sheet or shielding foam etc., and MRI shield doors height is typically on 2 meters of left sides
It is right.Therefore, single-point locking among only carrying out, shield door upper and lower ends can not complete lock sealing due to elastic deformation.
The Chinese patent application of Application No. 200920037322.8 discloses a kind of high-performance and combines trapezoidal shield door more
Knife shield door, as shown in Figure 2.The door lock of the shield door is knife lock construction 20, locks handle 204 by rotating knife and locks connecting rod with moving knife
203 move up and down, and drive and transported on inclined plane part of the locking cutter head 202 being arranged on knife lock connecting rod 203 along locking tool rest 201
It is dynamic, so as to realize the locking of shield door.Above-mentioned shield door locking mechanism structure is simple, but because the gap of each part is bigger,
Door lock aligns difficulty with lock during use, causes inconvenient for operation.
The Chinese patent application of Application No. 201420472815.5 discloses a kind of electronic shielding door latch structure 30, such as schemes
Shown in 3.The rotation of motor 301 drives the mechanism 303 that is rotated in deceleration to rotate by shaft coupling 302, so as to which drivening rod mechanism is about 304
Motion.It is connected to the motion locking in doorframe angled-lift splits 306 of the locking transverse axis 305 on linkage 304.Above-mentioned electric door lock knot
Structure is complicated, and production cost is high, is not appropriate for a wide range of popularization and application.The chance situation of shutting off power in emergency can not unlock, and easily cause danger.
Utility model content
One of the defects of in order to overcome existing locking device, the purpose of this utility model, is to provide the locking machine of a kind of
Structure, it can realize that single-point operates multi-point locking, consequently facilitating user of service operates.Another purpose of the present utility model is
A kind of door, the good airproof performance of this are provided, and operation is very easy.
The utility model provides the locking device of a kind of, and described locking device includes rotating handles, synchronising (connecting) rod, extremely
Few three racks insertion retaining mechanism and at least three roller lock mechanisms；Each rack inserts retaining mechanism and corresponding one
Roller lock mechanism is engaged；The rotating handles is disposed therein on a rack insertion retaining mechanism, the synchronising (connecting) rod
The rack for being provided with the rotating handles is inserted into retaining mechanism with other racks insertion retaining mechanism to be connected, so that institute
State the locking synchronous with corresponding roller lock mechanism of at least three racks insertion retaining mechanism or synchronous unlocking；
Each rack insertion retaining mechanism includes pinion stand, travelling gear, locking rack and gear shaft；The pinion stand
For supporting the travelling gear and the locking rack, the travelling gear is set on the gear shaft, the locking teeth
Bar is configured to and the travelling gear engaged transmission；Each roller lock mechanism includes base, rotating shaft and roller, described
Base is used to support the roller, and the roller is set in the rotating shaft；The roller is configured to and the locking teeth
Rolling friction occurs for bar.
According to locking device of the present utility model, it is preferable that the front end of the locking rack has inclined plane part, the roller
It is configured to that rolling friction occurs with the inclined plane part.
According to locking device of the present utility model, it is preferable that the locking rack also includes denticle and platform part, described
Platform part is arranged between the denticle and the inclined plane part, and the roller is configured to rub with platform part generation rolling
Wipe.
According to locking device of the present utility model, it is preferable that each roller lock mechanism, which also includes, is arranged on described turn
Self-lubricating set between axle and the roller.
According to locking device of the present utility model, it is preferable that insert locking machine in the rack for being provided with the rotating handles
In structure, the rotating handles is connected with the travelling gear, and it is used to drive the travelling gear to rotate.
According to locking device of the present utility model, it is preferable that inserted in each rack in retaining mechanism, the locking rack
It is arranged on the lower section of the travelling gear.
According to locking device of the present utility model, it is preferable that have space, the lock between the roller and the base
Tight rack is configured to insert the space.
According to locking device of the present utility model, it is preferable that at least three racks insertion retaining mechanism includes first
Rack insertion retaining mechanism, the second rack insertion retaining mechanism and the 3rd rack insertion retaining mechanism, the insertion locking of the second rack
Mechanism is arranged between the first rack insertion retaining mechanism and the 3rd rack insertion retaining mechanism；At least three rollers lock
Mechanism includes the first roller lock mechanism, the second roller lock mechanism and the 3rd roller lock mechanism, the second roller lock mechanism
It is arranged between the first roller lock mechanism and the 3rd roller lock mechanism；First rack inserts retaining mechanism and the first roller is locked
Seat mechanism is engaged, and the second rack insertion retaining mechanism is engaged with the second roller lock mechanism, the 3rd rack insertion locking machine
Structure is engaged with the 3rd roller lock mechanism；The rack insertion retaining mechanism for being provided with the rotating handles inserts for the second rack
Retaining mechanism.
The utility model also provides a kind of door, and described door includes any of the above-described locking device.
According to door of the present utility model, it is preferable that described door includes doorframe and door body, at least three racks insertion
Retaining mechanism is arranged in the door body, and at least three rollers lock mechanism is arranged on the doorframe.
Locking device of the present utility model due to using multiple racks insertion retaining mechanism and multiple roller lock mechanisms, and
With the use of synchronising (connecting) rod, single-point operation, multi-point locking function are realized well.The structure of retaining mechanism of the present utility model
It is compact, it is possible to achieve auto-lock function.Door sealing of the present utility model is good, and operation is very easy.
Brief description of the drawings
Fig. 1 is a kind of mechanical rotary lock structure figure of prior art.
Fig. 2 is a kind of knife lock construction figure of prior art.
Fig. 3 is a kind of electronic shielding door latch structure figure of prior art.
Fig. 4 is the integrally-built schematic diagram of door of the present utility model.
Fig. 5 is the schematic diagram of rack insertion retaining mechanism of the present utility model.
Fig. 6 is the schematic diagram of roller lock mechanism of the present utility model.
Description of reference numerals is as follows：
10- machineries rotary lock structure, 20- knives lock construction, the electronic shielding door latch structures of 30-, 40- rotating handleses, 50- synchronously connect
Bar, the racks of 60- second insert retaining mechanism, the racks of 61- first insert retaining mechanism, the racks of 62- the 3rd insert retaining mechanism,
70- the second roller locks mechanism, 71- the first roller locks mechanism, the roller lock mechanisms of 72- the 3rd, 80- door body, 90- doorframes,
101- handles, 102- arm pivot posts, 103- dead bolts, 104- locks, 201- lockings tool rest, 202- lockings cutter head, 203- knives lock connect
Be rotated in deceleration mechanism, 304- bar linkage structures, the 305- lockings of bar, 204- knives lock handle, 301- motors, 302- shaft couplings, 303- is horizontal
Axle, 306- doorframes angled-lift splits, 601- pinion stands, 602- locking racks, 603- gear shafts, 604- travelling gears, 701- bases,
702- rotating shafts, 703- self-lubricatings set, 704- rollers.
Embodiment
The utility model is further described with reference to specific embodiment, but the scope of protection of the utility model is simultaneously
Not limited to this.
<Locking device>
Locking device of the present utility model include rotating handles, synchronising (connecting) rod, at least three racks insertion retaining mechanism and
At least three roller lock mechanisms；One rack insertion retaining mechanism is engaged with corresponding roller lock mechanism；It is described
Rotating handles is disposed therein on a rack insertion retaining mechanism, and the synchronising (connecting) rod will be provided with the tooth of the rotating handles
Bar inserts retaining mechanism and is connected with other racks insertion retaining mechanism, so that at least three rack inserts locking machine
Structure locking synchronous with corresponding roller lock mechanism or synchronous unlocking.
In the utility model, the structure of rotating handles is not particularly limited, for example, staight shank, curved handle or ring-type handle.
Preferably, rotating handles is ring-type handle, Anti-slip cover is arranged with least a portion of ring-type handle.Rotating handles is arranged on it
In on rack insertion retaining mechanism, for driving rack insertion retaining mechanism is synchronous with corresponding roller lock mechanism to lock
Or synchronous unlocking.Rotating handles is pulled by operating personnel and can rotated with the travelling gear that carry-over bar is inserted in retaining mechanism,
So as to realize the locking of door and unlocking.
In the utility model, synchronising (connecting) rod inserts the rack for being provided with rotating handles insertion retaining mechanism with other racks
Enter retaining mechanism to be connected.The multiple racks being arranged on door insertion retaining mechanism is attached by synchronising (connecting) rod, passes through rotation
The operation rotation of rotating handles single-point can realize that multi-point locking rack synchronous stretches out locking simultaneously.Synchronising (connecting) rod of the present utility model
Those structures known in the art can be used.Here repeat no more.
In the utility model, the quantity of rack insertion retaining mechanism is at least three, preferably 3~8, more preferably 3
~5.Corresponding, the quantity of roller lock mechanism is at least three, preferably 3~8, more preferably 3~5.This
Sample can both ensure the locking and sealing of door, and cost can be reduced by having.
In the utility model, at least three racks insertion retaining mechanism can include the first rack insertion retaining mechanism,
Second rack inserts retaining mechanism and the 3rd rack insertion retaining mechanism.Optionally, in addition to the 4th rack inserts retaining mechanism
Retaining mechanism is inserted with the 5th rack.Second rack insertion retaining mechanism is arranged on the first rack insertion retaining mechanism and the 3rd tooth
Between bar insertion retaining mechanism；Rotating handles is provided with second rack insertion retaining mechanism.By rotating rotating handles, and
Under the drive of synchronising (connecting) rod, the first rack insertion retaining mechanism, the second rack insertion retaining mechanism and the insertion locking of the 3rd rack
The locking rack of mechanism synchronously stretches out locking.
In the utility model, at least three roller lock mechanisms include the first roller lock mechanism, the second roller lock
Mechanism and the 3rd roller lock mechanism.Optionally, in addition to the 4th roller lock mechanism and the 5th roller lock mechanism.Second rolling
Wheel lock seat mechanism is arranged between the first roller lock mechanism and the 3rd roller lock mechanism.Locked when rotating the insertion of the second rack
During the rotating handles of mechanism, the locking rack of the second rack insertion retaining mechanism stretches out, and inserts the rolling of the second roller lock mechanism
Space between wheel and base, so as to realize locking.At the same time, under the drive of synchronising (connecting) rod, the insertion locking of the first rack
The locking rack of mechanism and the 3rd rack insertion retaining mechanism also synchronously stretches out, and inserts the first roller lock mechanism and the 3rd respectively
Space between the roller and base of roller lock mechanism, so as to realize synchronous locking.
In the utility model, the first rack insertion retaining mechanism is engaged with the first roller lock mechanism, the second rack
Insertion retaining mechanism is engaged with the second roller lock mechanism, the 3rd rack insertion retaining mechanism and the 3rd roller lock mechanism phase
Coordinate.Optionally, the 4th rack insertion retaining mechanism is engaged with the 4th roller lock mechanism, the 5th rack insertion retaining mechanism
It is engaged with the 5th roller lock mechanism.
The structure of each rack insertion retaining mechanism of the present utility model is identical, the knot of each roller lock mechanism
Structure is also identical, unless specifically stated otherwise.Retaining mechanism is only inserted with a rack below, a roller lock mechanism is said
It is bright.
Rack insertion retaining mechanism of the present utility model includes pinion stand, travelling gear, locking rack and gear shaft；It is described
Pinion stand is used to support the travelling gear and the locking rack, and the travelling gear is set on the gear shaft, described
Locking rack is configured to that engaged transmission occurs with the travelling gear.When travelling gear rotates, locking rack will be carried out
The horizontal movement stretched out or retreated.According to locking device of the present utility model, the locking rack is arranged on the travelling gear
Lower section.According to preferred scheme of the present utility model, the locking rack includes denticle, platform part and inclined plane part.Inclined plane part is set
Put and be arranged in the front end of the locking rack, the platform part between the denticle and the inclined plane part.The inclined plane part
Rolling friction can occur with the roller of the roller lock mechanism；The platform part also can be with the roller lock mechanism
Rolling friction occurs for roller.Preferably, with the roller of the roller lock mechanism rolling friction can not occur for the denticle, with
Protect rack insertion retaining mechanism.
In the utility model, inserted in the rack for being provided with the rotating handles in retaining mechanism, the rotating handles
It is connected with the travelling gear, it is used to drive the travelling gear to rotate.The mode of connection is not particularly limited,
For example, being connected the two by connector, or the two is directly connected to.
Roller lock mechanism of the present utility model includes base, rotating shaft and roller, and the base is used to support the rolling
Wheel, the roller are set in the rotating shaft.Roller is configured to that rolling friction occurs with locking rack.It is new according to this practicality
The preferred scheme of type, roller lock mechanism also include self-lubricating set, and it is arranged between the rotating shaft and the roller.Roller with
There is space, for being inserted for locking rack between base.With being constantly inserted into below roller for locking rack, locking
With roller relative rolling friction occurs for the inclined plane part of rack；Then, the platform part of locking rack is inserted into below roller, by just
Pressure effect produces auto-lock function to locking rack.
<Door>
Locking device of the present utility model is mainly used in the locking and unlocking of door.Door of the present utility model includes but is not limited to
Shield door or hermatic door etc., in particular for isolating the shield door or hermatic door of medical examination apparatus.The reality of medical examination apparatus
Example includes digitlization direct imaging optics DR, nuclear magnetic resonance MRI, computed radiography CR, computer tomography CT etc..For
Raising Checking on effect simultaneously reduces radiation risk, and these equipment are generally positioned in screened room.Locking device of the present utility model
There is locking and sealing function well for screened room.
Door of the present utility model includes above-mentioned locking device.In the utility model, door can include doorframe and door body, preceding
State at least three racks insertion retaining mechanism to be arranged in door body, at least three roller lock mechanisms are arranged on doorframe.The door
Body can be shield door body or sealing door body.
Embodiment 1
The overall structure of the locking device of the present embodiment is referring to Fig. 4, rack insertion retaining mechanism and roller lock mechanism point
Not as illustrated in Figures 5 and 6.Locking device includes rotating handles 40,50, three rack insertion retaining mechanisms of synchronising (connecting) rod and three rollings
Wheel lock seat mechanism.Each rack insertion retaining mechanism is engaged with corresponding roller lock mechanism.
Three rack insertion retaining mechanisms are respectively the first rack insertion retaining mechanism 61, the second rack insertion retaining mechanism
60 and the 3rd rack insertion retaining mechanism 62.Second rack insertion retaining mechanism 60 is arranged on the first rack insertion retaining mechanism 61
And the 3rd rack insertion retaining mechanism 62 between.Second rack insertion retaining mechanism 60 is provided with rotating handles 40, synchronising (connecting) rod
Second rack is inserted retaining mechanism 60 by 50 inserts retaining mechanism 61, the 3rd rack insertion retaining mechanism 62 with the first rack respectively
It is connected.As shown in figure 4, rotating handles 40 is ring-type handle, Anti-slip cover is arranged with a part for ring-type handle.
Three roller lock mechanisms are respectively the first roller lock mechanism 71, the second roller lock mechanism 70 and the 3rd roller
Lock mechanism 72.Second roller lock mechanism 70 be arranged on the first roller lock mechanism 71 and the 3rd roller lock mechanism 72 it
Between.When rotating the rotating handles 40 on the second rack insertion retaining mechanism 60, the second rack inserts the locking of retaining mechanism 60
Rack 602 stretches out, the space inserted between the roller 704 and base 701 of the second roller lock mechanism 70, so as to realize locking.
At the same time, under the drive of synchronising (connecting) rod 50, the first rack insertion retaining mechanism 61 and the 3rd rack insertion retaining mechanism 62
Locking rack also synchronously stretch out, insert roller and the bottom of the first roller lock mechanism 71 and the 3rd roller lock mechanism 72 respectively
Space between seat, so as to realize synchronous locking.
In the present embodiment, each rack insertion retaining mechanism, the structure of each roller lock mechanism are identicals, unless
Special declaration.Retaining mechanism is only inserted with a rack below, a roller lock mechanism illustrates.
Second rack insertion retaining mechanism 60 includes pinion stand 601, travelling gear 604, locking rack 602 and gear shaft
603.Pinion stand 601 supports travelling gear 604 and locking rack 602；Locking rack 602 is arranged on the lower section of travelling gear 604,
And the former can be engaged transmission with the latter.When travelling gear 604 rotates, locking rack 602 will be stretched out or after
The horizontal movement moved back.Locking rack 602 includes denticle, platform part and inclined plane part (not shown).Inclined plane part is arranged on locking rack
602 front end, platform part are arranged between denticle and inclined plane part.
Second roller lock mechanism 70 includes base 701, rotating shaft 702 and roller 704.The back-up roller wheel 704 of base 701, rolling
Wheel 704 is set in rotating shaft 702, and sets self-lubricating to cover 703 between.There is sky between roller 704 and base 701
Gap.When locking rack 602 is constantly inserted into the space, inclined plane part and the roller 704 of locking rack 602 occur relative roll and rubbed
Wipe；When the platform part of locking rack 602 is inserted into 704 lower section of roller, locking rack 602 is produced from by positive pressure
Lock function.
The travelling gear 604 of rotating handles 40 and the second rack insertion retaining mechanism 60 is connected, but not with the first rack
Insertion retaining mechanism 61 connects with the travelling gear of the 3rd rack insertion retaining mechanism 62.
As shown in figure 4, the door of the present embodiment is hermatic door, it includes doorframe 90 and door body 80 and above-mentioned locking device.The
Two racks insertion retaining mechanism 60 is arranged on the middle part of door body 80, and the first rack insertion retaining mechanism 61 is arranged on the upper of door body 80
Portion, the 3rd rack insertion retaining mechanism 62 are arranged at the bottom of door body 80.Second roller lock mechanism 70 is arranged on doorframe 90
Middle part, the first roller lock mechanism 71 on the top of doorframe 90, the 3rd roller lock mechanism 72 is then in the bottom of doorframe 90.On
State the locking of locking device and the locking and unlocking of this are realized in unlocking.
Embodiment 2
Except three racks insertion retaining mechanisms and three roller lock mechanisms are replaced with into five racks insertion locks respectively
Outside tight mechanism and five roller lock mechanisms, miscellaneous part is same as Example 1 with annexation.
Embodiment 3
Except the travelling gear 604 that rotating handles 40 is not inserted into retaining mechanism 60 with the second rack is connected, only with first
Outside the travelling gear connection of rack insertion retaining mechanism 61, miscellaneous part is same as Example 1 with annexation.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within the scope of the utility model.
Claims (10)
1. the locking device of a kind of, it is characterised in that described locking device includes rotating handles, synchronising (connecting) rod, at least three
Individual rack insertion retaining mechanism and at least three roller lock mechanisms；Each rack insertion retaining mechanism and a corresponding roller
Lock mechanism is engaged；The rotating handles is disposed therein on a rack insertion retaining mechanism, and the synchronising (connecting) rod will be set
Rack insertion retaining mechanism and other racks for being equipped with the rotating handles insert retaining mechanism and are connected so that it is described extremely
Few three racks insertion retaining mechanism locking synchronous with corresponding roller lock mechanism or synchronous unlocking；
Each rack insertion retaining mechanism includes pinion stand, travelling gear, locking rack and gear shaft；The pinion stand is used for
The travelling gear and the locking rack are supported, the travelling gear is set on the gear shaft, and the locking rack is set
Being set to can be with the travelling gear engaged transmission；Each roller lock mechanism includes base, rotating shaft and roller, the base
For supporting the roller, the roller is set in the rotating shaft；The roller is configured to send out with the locking rack
Raw rolling friction.
2. locking device according to claim 1, it is characterised in that the front end of the locking rack has inclined plane part, institute
Roller is stated to be configured to that rolling friction occurs with the inclined plane part.
3. locking device according to claim 2, it is characterised in that the locking rack also includes denticle and platform part,
Described platform part is arranged between the denticle and the inclined plane part, and the roller is configured to occur with the platform part
Rolling friction.
4. locking device according to claim 1, it is characterised in that each roller lock mechanism, which also includes, is arranged on institute
State the self-lubricating set between rotating shaft and the roller.
5. locking device according to claim 1, it is characterised in that insert lock in the rack for being provided with the rotating handles
In tight mechanism, the rotating handles is connected with the travelling gear, and it is used to drive the travelling gear to rotate.
6. locking device according to claim 1, it is characterised in that inserted in each rack in retaining mechanism, the lock
Tight rack is arranged on the lower section of the travelling gear.
7. locking device according to claim 1, it is characterised in that there is space between the roller and the base,
The locking rack is configured to insert the space.
8. according to the locking device described in any one of claim 1~7, it is characterised in that at least three racks insertion lock
Tight mechanism includes the first rack insertion retaining mechanism, the second rack insertion retaining mechanism and the 3rd rack insertion retaining mechanism, the
Two racks insertion retaining mechanism is arranged between the first rack insertion retaining mechanism and the 3rd rack insertion retaining mechanism；It is described extremely
Few three roller lock mechanisms include the first roller lock mechanism, the second roller lock mechanism and the 3rd roller lock mechanism, the
Second wheel lock mechanism is arranged between the first roller lock mechanism and the 3rd roller lock mechanism；First rack inserts locking machine
Structure is engaged with the first roller lock mechanism, and the second rack insertion retaining mechanism is engaged with the second roller lock mechanism, and the 3rd
Rack insertion retaining mechanism is engaged with the 3rd roller lock mechanism；It is provided with the rack insertion retaining mechanism of the rotating handles
Retaining mechanism is inserted for the second rack.
9. a kind of door, it is characterised in that described door includes the locking device described in any one of claim 1~8.
10. door according to claim 9, it is characterised in that described door includes doorframe and door body, at least three tooth
Bar insertion retaining mechanism is arranged in the door body, and at least three rollers lock mechanism is arranged on the doorframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410227.2U CN206667995U (en) | 2017-04-19 | 2017-04-19 | Locking device and door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720410227.2U CN206667995U (en) | 2017-04-19 | 2017-04-19 | Locking device and door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206667995U true CN206667995U (en) | 2017-11-24 |
Family
ID=60375076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720410227.2U Active CN206667995U (en) | 2017-04-19 | 2017-04-19 | Locking device and door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206667995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833366A (en) * | 2020-06-08 | 2021-12-24 | 中国船舶重工集团公司第七一一研究所 | Locking device |
-
2017
- 2017-04-19 CN CN201720410227.2U patent/CN206667995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833366A (en) * | 2020-06-08 | 2021-12-24 | 中国船舶重工集团公司第七一一研究所 | Locking device |
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