CN108163217A - A kind of electric locking mechanism - Google Patents
A kind of electric locking mechanism Download PDFInfo
- Publication number
- CN108163217A CN108163217A CN201711471753.0A CN201711471753A CN108163217A CN 108163217 A CN108163217 A CN 108163217A CN 201711471753 A CN201711471753 A CN 201711471753A CN 108163217 A CN108163217 A CN 108163217A
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- Prior art keywords
- horizontal extension
- lock piece
- extension tongue
- locking mechanism
- electric locking
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000002105 tongue Anatomy 0.000 description 71
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 238000010276 construction Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Steering Controls (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of electric locking mechanisms, including steering engine, horizontal extension tongue and the lock piece that can vertically move for being arranged on horizontal extension tongue side, the steering engine includes rudder arm, and the rudder arm connect that the horizontal extension tongue is driven to slide in the horizontal direction with the horizontal extension tongue；The lock piece includes lock piece head and is arranged on the limiting section of the lock piece lower head, the lock piece moves up and horizontal extension tongue described in top pressure, so that after the lock piece head is by the horizontal extension tongue, the horizontal extension gyrus lingulais position is locked on the limiting section.Beneficial effects of the present invention：Electric locking mechanism proposed by the present invention, pass through the setting of horizontal extension tongue, lock piece, limiting section, lock piece is allow to pass through the mobile realization locking of horizontal extension tongue and unlock, and then lock piece and other components of electric locking mechanism are kept completely separate, facilitate and article is loaded and fixed on lock piece.
Description
Technical field
The present invention relates to lock construction technical field, it particularly relates to a kind of electric locking mechanism.
Background technology
In recent years, Chinese unmanned air vehicle technique has rapid development, before industry-by-industry suffers from being widely applied
Scape in addition to the military field being widely known, in the potentiality of civilian aspect is also excavated by people, such as is taken the photograph gradually
Shadow, meteorological observation and delivery industry, and unmanned plane is during the work time, it is often necessary to some equipment or article are carried, therefore, is needed
Unmanned plane Xie Wu mechanisms are reasonably designed, ensure the degree of reliability of belongings.
For example, the Chinese patent application of Publication No. CN205589484U provide for it is a kind of nobody take object device, packet
It includes and takes rack, the bottom surface for taking rack is equipped with bayonet, and the oral area of bayonet is equipped with the activity pin buckle for lockking oral area, takes rack and be equipped with
Steering engine, steering engine are connected with rocking arm, and rocking arm is connected with connecting rod, connecting rod and movable button pin connection, and activity pin buckle is driven laterally by connecting rod
Movement, servo driving activity pin buckle traverse motion, activity pin buckle can lock the oral area of bayonet or open the oral area of bayonet, side
Just the article for needing to carry is clasped.This takes the structure that object device is integral type, and it is other easily to be taken object device when loading article
The interference of component causes to be difficult to article fixation.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Invention content
For the above-mentioned technical problem in the relevant technologies, the present invention proposes a kind of electric locking mechanism, to the object of unmanned plane
Product carrying structure is improved, it is allow to take object part and is detached with the agent structure of electric locking mechanism, facilitates fixture
Product.
To realize the above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of electric locking mechanism, including steering engine, horizontal extension tongue and be arranged on horizontal extension tongue side can be along vertical
The lock piece of direction movement,
The steering engine includes rudder arm, and the rudder arm connect to drive the horizontal extension tongue along water with the horizontal extension tongue
Square to slip；
The lock piece includes lock piece head and is arranged on the limiting section of the lock piece lower head, the lock piece
Move up simultaneously horizontal extension tongue described in top pressure so that after the lock piece head is by the horizontal extension tongue, the horizontal extension
Gyrus lingulais position is locked on the limiting section.
Preferably, the horizontal extension tongue is connected with returning device, and the returning device can make the horizontal extension tongue
It is moved in the horizontal extension tongue cephalad direction.
Preferably, the returning device includes the spring for being set to the horizontal extension tongue tail portion.
Preferably, the horizontal extension tongue is equipped with the second groove-like structure stretched into for the rudder arm.
Preferably, the horizontal extension tongue tail portion is equipped with the guider for limiting the spring deformation.
Preferably, the guider includes the guide pin that one end is fixedly connected with the horizontal extension tongue tail portion, described
The other end of guide pin is stretched in the guide cylinder of fixed setting, and the spring is set on the guide cylinder.
Preferably, the electric locking mechanism further includes supporting mechanism, and the steering engine and the supporting mechanism are removably
It is fixedly connected, the supporting mechanism is equipped with the horizontal concrete chute and vertical chute for the connection that crosses one another, the horizontal extension tongue setting
In in the horizontal concrete chute, the lock piece can be moved along the vertical chute.
Preferably, the steering engine is removably secured with the supporting mechanism and connect.
Preferably, the steering engine is equipped with several laminated structures, and the laminated structure is fixed by screws in the support
In mechanism.
Preferably, the electric locking mechanism is additionally provided with the shell of enclosed construction, and the shell can with the supporting mechanism
It is removedly fixed connection, the shell offers the pore structure passed through for the lock piece and the sky passed through for signal wire
Gap.
Beneficial effects of the present invention：Electric locking mechanism proposed by the present invention, passes through horizontal extension tongue, lock piece, limiting
The setting in portion allows lock piece by the mobile realization locking of horizontal extension tongue and unlock, and then allows lock piece and electricity
Other components of dynamic lockable mechanism are kept completely separate, and facilitate and article is loaded and fixed on lock piece.
Electric locking mechanism proposed by the present invention, since lock piece can completely divide with other components of electric locking mechanism
From, therefore in the carrying task for coping with different articles, an electric locking mechanism only needs to be equipped with multiple different locks
Stop member, it is possible to very convenient for coordinating loading and fixed variously-shaped article in varied situations.
Electric locking mechanism proposed by the present invention by setting return mechanism, on the one hand makes locking operation without rudder
The power of machine, saves the electric power of steering engine, on the other hand makes locking operation and unlock operation non-interference, reduces rate of breakdown.
Electric locking mechanism proposed by the present invention is a kind of specific, complete, closing structure, compact compact, can be with
Every field is widely used in as product accessories.
Electric locking mechanism proposed by the present invention, parts understand succinctly, convenient for disassembly and assembly, are conducive to safeguard and repair.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of decomposition texture schematic diagram of electric locking mechanism described in the embodiment of the present invention；
Fig. 2 is the combining structure schematic diagram of a kind of electric locking mechanism in a latched condition described in the embodiment of the present invention；
Fig. 3 is a kind of vertical view of electric locking mechanism described in the embodiment of the present invention；
Fig. 4 is that a kind of electric locking mechanism horizontal extension tongue described in the embodiment of the present invention and lock piece will just start to contact
When side view；
Fig. 5 is that the limiting section of a kind of electric locking mechanism horizontal extension tongue and lock piece described in the embodiment of the present invention just will
Side view when starting mutually to fasten；
Fig. 6 is the side view of a kind of electric locking mechanism in a latched condition described in the embodiment of the present invention；
Fig. 7 is that a kind of electric locking mechanism horizontal extension tongue described in the embodiment of the present invention and lock piece will just start to contact
When bottom view；
Fig. 8 is that the limiting section of a kind of electric locking mechanism horizontal extension tongue and lock piece described in the embodiment of the present invention just will
Bottom view when starting mutually to fasten；
Fig. 9 is the bottom view of a kind of electric locking mechanism in a latched condition described in the embodiment of the present invention；
Figure 10 is that a kind of electric locking mechanism releasing process centered rudder armband described in the embodiment of the present invention moves horizontal extension tongue
Side view when being detached with lock piece；
Figure 11 is that a kind of electric locking mechanism releasing process centered rudder armband described in the embodiment of the present invention moves horizontal extension tongue
Bottom view when being detached with lock piece；
Figure 12 is a kind of electric locking mechanism described in embodiment of the present invention horizontal extension tongue and locking in a latched condition
The structure diagram of part；
Figure 13 is a kind of structure diagram of the supporting mechanism of electric locking mechanism described in the embodiment of the present invention.
In figure：
100. housing；101. cap；102. notch；
200. supporting mechanism；201. horizontal concrete chute；202. vertical chute；203. first groove-like structures；204. guide cylinder；
205. supporting structure；
300. steering engine；301. rudder arm；302. laminated structure；303. screw；304. signal wire；
400. horizontal extension tongues；401. inserted sheet；402. connection sheet；403. relatively narrow inclined-planes；404. second groove-like structures；
405. guide pin；
500. lock piece；501. inclined-plane；502. pillar construction；503. groove；504. article carrying structures；
600. spring.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Range.
As shown in Figure 1, it is a kind of decomposition texture schematic diagram of electric locking mechanism described in the embodiment of the present invention.
The electric locking mechanism, including steering engine 300, horizontal extension tongue 400 and be arranged on 400 side of horizontal extension tongue can
The lock piece 500 vertically moved, steering engine 300 include rudder arm 301, and rudder arm 301 connect to drive with horizontal extension tongue 400
Horizontal extension tongue 400 slides in the horizontal direction；Lock piece 500 includes lock piece head and is arranged on the lock piece lower head
Limiting section, lock piece 500 moves up and top pressure horizontal extension tongue 400 so that after lock piece head is by horizontal extension tongue 400,
400 return of horizontal extension tongue is locked on limiting section.
The locking process of the electric locking mechanism is as follows：Push up lock piece 500, lock piece 500 is moving upwards
In the process, horizontal extension tongue 400 is pushed to be moved horizontally in 400 caudal directions of horizontal extension tongue, until limiting section is directed at level
During the head of telescopic tongue 400, stopping, which continues up, pushes lock piece 500, starts steering engine 300, and rudder arm 301 drives horizontal extension tongue
400 move in 400 cephalad direction of horizontal extension tongue, and the head of horizontal extension tongue 400 and the limiting section on lock piece 500 are mutual
Engaging at this point, lock piece 500 is fixed, completes locking process.
The releasing process of the electric locking mechanism is as follows：Start steering engine 300, rudder arm 301 drives horizontal extension tongue 400 to water
It is moved in flat 400 caudal directions of telescopic tongue, until the limit part on the head of horizontal extension tongue 400 and lock piece 500 is from that is,
Lock piece 500 can be taken out, complete releasing process.
The structure of a kind of specific horizontal extension tongue 400 and lock piece 500, as shown in figure 12, lock piece 500 is described below
Head there is inclined-plane 501, the lower section on inclined-plane 501 is rectangular pillar construction 502, two sides of rectangular pillar construction 502
A groove 503 is respectively provided on face, groove 503 is limiting section.There are two inserted sheet 401 and a companies for the tool of horizontal extension tongue 400
Contact pin 402, the tail portion of two inserted sheets 401 are each attached in connection sheet 402, when carrying out locking operation, the head of two inserted sheets 401
Two grooves 503 can be just respectively clamped into.There are one relatively narrow inclined-plane 403, relatively narrow inclined-planes 403 for the head tool of inserted sheet 401
With the inclined direction on inclined-plane 501 on the contrary, in this way, when lock piece 500 moves up, inclined-plane 501 can push relatively narrow oblique
Face 403 moves horizontally in 400 caudal directions of horizontal extension tongue.The bottom of pillar construction 502 is article carrying structure 504, object
Product carrying structure 504 can need to be arranged to different shapes according to belongings.
As being further improved for the embodiment of the present invention, horizontal extension tongue 400 is connected with returning device, and returning device can
Horizontal extension tongue 400 is made to be moved in horizontal extension tongue cephalad direction.During locking, lock piece 500 moves up, and pushes
Horizontal extension tongue 400 moves in horizontal extension tongue caudal directions, when lock piece 500 is moved to limiting section and horizontal extension tongue
When portion is aligned, returning device pushes horizontal extension tongue 400 to be moved in horizontal extension tongue cephalad direction, with being set on lock piece 500
The limiting section put, which is mutually clamped, completes locking action, thus, which the drive that locking process is no longer needed for rudder arm 301 has come
Into can not only save electric power, whether be targeted by limiting section without determined level telescopic tongue head, operation is more convenient.
Specifically, as shown in Fig. 1~2, returning device includes the spring 600 for being set to 400 tail portion of horizontal extension tongue.Work as lock
Stop member 500 moves up, and when promotion horizontal extension tongue 400 moves in horizontal extension tongue caudal directions, horizontal extension tongue 400 squeezes
Pressing spring 600 generates deformation, and when lock piece 500, which is moved to limiting section, to be aligned with the head of horizontal extension tongue 400, level is stretched
Contracting tongue 400 disappears to 600 extruding force of spring, and the recovery deformation of spring 600 pushes dynamic horizontal extension tongue 400 to horizontal extension tongue
It is moved on direction in portion.
As being further improved for the embodiment of the present invention, horizontal extension tongue 400 is equipped with second stretched into for rudder arm 301
Groove-like structure 404.Specifically, the second groove-like structure 404 is arranged on inserted sheet 401, and the second groove-like structure 404 has certain length
Degree, can be during locking, the shape that makes rudder arm 301 that can be remained stationary as during horizontal extension tongue 400 moves horizontally
State does not influence locking action, and as shown in Fig. 2,4~9, Fig. 4~6 illustrate locking process with the visual angle of side, and Fig. 7~9 are to face upward
Depending on visual angle illustrate locking process, it can be seen that rudder arm 301 is static state during entire locking, level is not stretched
Contracting tongue 400 has an impact.In releasing process, the side of rudder arm 301 to horizontal extension tongue tail portion rotates up, and resists the second channel-shaped
The edge of structure 404 drives horizontal extension tongue 400 with limit part from completion unlock, as shown in FIG. 10 and 11, Figure 10 is with side
The visual angle in face illustrates releasing process, and Figure 11 illustrates releasing process with the visual angle looked up.It was unlocked thus, can reduce
Journey and locking process interfere with each other, and reduce rate of breakdown.
As being further improved for the embodiment of the present invention, 400 tail portion of horizontal extension tongue is oriented to equipped with 600 deformation of limited spring
Device.Spring 600 is in deformation process it is possible that the phenomenon that being caught on mutually between spring ring, therefore, it is necessary to set to be oriented to
Device carrys out the deformation of the generation of guide springs 600, reduces the incidence of failure.
Specifically, as shown in Fig. 2, Figure 12, Figure 13, guider includes one end and fixes company with 400 tail portion of horizontal extension tongue
The guide pin 405 connect, the other end of guide pin 405 are stretched in the guide cylinder 204 of a fixed setting, and spring 600 is set in
On guide cylinder 204.When horizontal extension tongue 400 moves horizontally, guide pin 405 is stretched into always inside guide cylinder 204,600 sets of spring
On guide cylinder 204, positioned at the outside of guide pin 405 and guide cylinder 204, this setup can be squeezed with limited spring 600
Direction of motion during pressure, that is, its deformation is limited, reduce the probability interfered with each other between spring ring.More specifically, guide cylinder
204 be an outer wall for screw thread, and the internal structure with through-hole, guide cylinder 204 is removably secured connection by the screw thread of outer wall
On the suitable position of electric locking mechanism.
As being further improved for the embodiment of the present invention, electric locking mechanism further includes supporting mechanism 200, steering engine 300 with
Supporting mechanism 200 is removably secured connection, and supporting mechanism is equipped with the horizontal concrete chute 201 and vertical chute for the connection that crosses one another
202, horizontal extension tongue 400 is set in horizontal concrete chute 201, and lock piece 500 can be moved along vertical chute 202.Support machine
Structure 200 is used to integrate the component involved by electric locking mechanism, and horizontal concrete chute 201 and vertical chute 202 can limit water respectively
The motion track of flat telescopic tongue 400 and lock piece 500.
More specific set-up mode is that steering engine 300 is equipped with several laminated structures 302, and laminated structure 302 passes through screw
303 are fixed on supporting mechanism 200.And supporting mechanism 200 is equipped with supporting structure 205, and during installation, steering engine 300 is placed on branch
In frame structure 205, the lower surface of laminated structure 302 is made to be bonded with the upper surface of supporting structure 205, by by screw 303 by piece
Shape structure 302 links together with supporting structure 205, and formation is removably secured connection structure.
As being further improved for the embodiment of the present invention, electric locking mechanism is additionally provided with the shell of enclosed construction, shell with
Supporting mechanism 200 is removably secured connection, and shell offers the pore structure that passes through for lock piece 500 and for signal wire
304 gaps passed through.
Specifically, shell include housing 100 and cap 101, housing 100 be one side opening cube structure, cap 101
It is matched with the opening of housing 100, supporting mechanism 200 is fixed by screws in the bottom of housing 100, and 100 bottom of housing is with erecting
202 corresponding position of straight runner opens up pore structure, is passed through for lock piece 500, and cap 101 is equipped with notch 102, when cap 101 covers
When on housing 100, notch 102 is passed through for signal wire 304.
As shown in figure 13, it is improvement to supporting mechanism of the embodiment of the present invention 200, supporting mechanism 200 is equipped with for rudder
The first groove-like structure 203 that arm 301 stretches into, the first groove-like structure 203 are connected with horizontal concrete chute 201.Rudder arm 301 passes through the first slot
Shape structure 203 is extended to inside horizontal concrete chute 201, and horizontal extension tongue 400 is driven, the length of the first groove-like structure 203
It is required to the deflection for meeting rudder arm 301.
Electric locking mechanism of the present invention, can be not only used for unmanned plane field, can be also used for robot field
With various lock constructions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of electric locking mechanism, which is characterized in that including steering engine, horizontal extension tongue and be arranged on horizontal extension tongue side
The lock piece that can vertically move,
The steering engine includes rudder arm, and the rudder arm connect to drive the horizontal extension tongue along level side with the horizontal extension tongue
To slip；
The lock piece includes lock piece head and is arranged on the limiting section of the lock piece lower head, and the lock piece moves up
And horizontal extension tongue described in top pressure so that after the lock piece head is by the horizontal extension tongue, the horizontal extension gyrus lingulais
Position is locked on the limiting section.
2. electric locking mechanism according to claim 1, which is characterized in that the horizontal extension tongue is connected with return dress
It puts, the returning device can be such that the horizontal extension tongue is moved in the horizontal extension tongue cephalad direction.
3. electric locking mechanism according to claim 1, which is characterized in that the returning device includes being set to the water
The spring of flat telescopic tongue tail portion.
4. electric locking mechanism according to claim 3, which is characterized in that the horizontal extension tongue is equipped with for described
The second groove-like structure that rudder arm stretches into.
5. electric locking mechanism according to claim 3, which is characterized in that the horizontal extension tongue tail portion is equipped with limitation institute
State the guider of spring deformation.
6. electric locking mechanism according to claim 5, which is characterized in that the guider includes one end and the water
The guide pin that flat telescopic tongue tail portion is fixedly connected, the other end of the guide pin is stretched in the guide cylinder of fixed setting, described
Spring is set on the guide cylinder.
7. electric locking mechanism according to claim 1, which is characterized in that the electric locking mechanism further includes support machine
Structure, the steering engine are removably secured with the supporting mechanism and connect, and the supporting mechanism is equipped with the level for the connection that crosses one another
Sliding slot and vertical chute, the horizontal extension tongue are set in the horizontal concrete chute, and the lock piece can be along described vertical
Sliding slot moves.
8. electric locking mechanism according to claim 7, which is characterized in that the steering engine and the supporting mechanism are detachable
Ground is fixedly connected.
9. electric locking mechanism according to claim 8, which is characterized in that the steering engine is equipped with several laminated structures,
The laminated structure is fixed by screws on the supporting mechanism.
10. electric locking mechanism according to claim 7, which is characterized in that the electric locking mechanism is additionally provided with closing
The shell of structure, the shell are removably secured with the supporting mechanism and connect, and the shell is offered for the locking
The pore structure and the gap passed through for signal wire that part passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471753.0A CN108163217B (en) | 2017-12-29 | 2017-12-29 | Electric locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471753.0A CN108163217B (en) | 2017-12-29 | 2017-12-29 | Electric locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108163217A true CN108163217A (en) | 2018-06-15 |
| CN108163217B CN108163217B (en) | 2024-06-11 |
Family
ID=62520094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711471753.0A Active CN108163217B (en) | 2017-12-29 | 2017-12-29 | Electric locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108163217B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676636A (en) * | 2019-10-29 | 2020-01-10 | 徐州市和平桥中心小学 | Peripheral protection device for electrical equipment |
| CN113683029A (en) * | 2021-08-11 | 2021-11-23 | 中际联合（北京）科技股份有限公司 | Locking device and lifting equipment |
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| CN106088859A (en) * | 2016-07-28 | 2016-11-09 | 顺丰科技有限公司 | A kind of self-locking mechanism |
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| CN1611422A (en) * | 2003-10-30 | 2005-05-04 | 深圳普诺玛商业安全设备有限公司 | Commodity anti-theft method and apparatus for self-service market |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110676636A (en) * | 2019-10-29 | 2020-01-10 | 徐州市和平桥中心小学 | Peripheral protection device for electrical equipment |
| CN113683029A (en) * | 2021-08-11 | 2021-11-23 | 中际联合（北京）科技股份有限公司 | Locking device and lifting equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108163217B (en) | 2024-06-11 |
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