CN214498690U - Electric anti-misoperation lockset - Google Patents

Electric anti-misoperation lockset Download PDF

Info

Publication number
CN214498690U
CN214498690U CN202022051240.8U CN202022051240U CN214498690U CN 214498690 U CN214498690 U CN 214498690U CN 202022051240 U CN202022051240 U CN 202022051240U CN 214498690 U CN214498690 U CN 214498690U
Authority
CN
China
Prior art keywords
inner cavity
lock
block
lock body
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022051240.8U
Other languages
Chinese (zh)
Inventor
官和耀
陈杰峰
李勇斌
蔡文洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Southern Power Grid Digital Grid Technology Guangdong Co ltd
Original Assignee
Guangzhou Ke Teng Information Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Ke Teng Information Technology Co ltd filed Critical Guangzhou Ke Teng Information Technology Co ltd
Priority to CN202022051240.8U priority Critical patent/CN214498690U/en
Application granted granted Critical
Publication of CN214498690U publication Critical patent/CN214498690U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The utility model discloses an electric power prevents mistake tool to lock, which comprises a lock body, the fingerprint identification appearance is installed to the front side of lock body, the inner chamber right side bottom of lock body is rotated through the bearing along upper and lower direction and is connected with the cylinder piece, two from top to bottom the inner chamber left side of guide rail has all been pegged graft and has been had the second slider, the outer wall left side of latch hook and the corresponding position department of two upper and lower fixture blocks have all seted up and have two from top to bottom the draw-in groove that the fixture block cup jointed mutually, two from top to bottom the right side of fixture block all is provided with the permanent magnetism board, the electro-magnet that can inhale mutually with permanent magnetism board magnetism is installed on the right side of circular blind hole, all electric connection of each other between electro-magnet and fingerprint identification appearance and the battery. This electric power prevents mistake tool to lock adopts the electro-magnet to unblock, avoids outside outage or battery to damage and leads to the electro-magnet behind becoming invalid, and the normal theftproof nature of tool to lock still can be guaranteed to the device to compare in the tradition prevent mistake lock, improve the security of tool to lock when guaranteeing the mistake lock.

Description

Electric anti-misoperation lockset
Technical Field
The utility model relates to a tool to lock technical field specifically is an electric power prevents mistake tool to lock.
Background
The safe and reliable operation of an electric power system involves normal electricity utilization of tens of millions of users, if power equipment breaks down, the normal life and production of residents and industrial users can be directly influenced, the reliability of locking of an anti-misoperation lockset arranged on the anti-misoperation equipment directly relates to whether the equipment can be safely operated, patent document with the publication number of 'CN 207377289U' discloses an electric anti-misoperation lockset, a third groove positioned below a locking pin is arranged in a lock body, a rotating disc is rotatably connected to the right side in the third groove, a movable contact is connected to the side wall of the rotating disc, a static contact corresponding to the movable contact is connected to the right side wall of the third groove, a T-shaped through hole communicated with the third groove is arranged at the lower end of the lock body, a first spring is connected to the left side of the rotating disc in the third groove, an electromagnet is connected to the other end of the first spring, a fourth groove is arranged on the left side of the lock body, the inner wall connection of fourth recess has the second spring, and the bottom of locked groove is connected with the third spring, and the right side that the bottom of locked groove is located the third spring is equipped with the battery, the utility model has the characteristics of simple structure, dual joint, safe and reliable etc, but the electric power that this technical scheme disclosed prevents mistake tool to lock relies on the electro-magnet to lock for main fixed mode, when meeting with outside outage or the unable power supply of battery damage leads to the electro-magnet to become invalid after, normal theftproof nature can not be guaranteed to the device, to above-mentioned problem, we provide an electric power prevents mistake tool to lock.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric power prevents mistake tool to lock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an electric error-preventing lock comprises a lock body, wherein a fingerprint identification instrument is installed on the front side of the lock body, a storage battery is embedded in the bottom end of an inner cavity of the lock body, the bottom end of the storage battery extends out of the lower surface of the lock body, a cylindrical block is rotatably connected to the bottom end of the right side of the inner cavity of the lock body in the vertical direction through a bearing, an inner ring of the bearing is in interference fit with the outer wall of the cylindrical block, an outer ring of the bearing is fixedly connected with the inside of the lock body, a lock hook is inserted into an opening at the top end of the inner cavity of the cylindrical block in a matching mode, the bottom end of the right side of the lock hook extends into the bottom end of the inner cavity of the cylindrical block and is provided with a circular plate, one end of a first spring is clamped at the bottom end of the circular plate, the other end of the first spring is clamped with the bottom end of the inner cavity of the cylindrical block, a circular through hole communicated with the top end of the left side of the inner cavity of the lock body is formed in the left side of the lock body in a matching mode, and is inserted with a T-shaped block, the right side of the inner cavity of the circular through hole is in interference fit with the outer wall of the second spring, the inner ring of the bearing is fixedly connected with the outer wall of the T-shaped block, the top end of the left side of the outer wall of the T-shaped block is provided with a through hole communicated with the bottom end of the T-shaped block, the right side of the outer wall of the T-shaped block is provided with a chute, the top end of the inner cavity of the chute is inserted with a first sliding block, the top end of the first sliding block is in screw connection with the top end of the inner cavity of the circular through hole, the lower part of the left side of the inner cavity of the cylindrical block is provided with a circular blind hole communicated with the inner cavity of the cylindrical block, the upper end and the lower end of the inner cavity of the circular blind hole are both provided with guide rails along the left-right direction, the left sides of the inner cavities of the upper guide rail and the lower guide rail are both inserted with a second sliding block, and the right sides of the upper sliding block and the lower sliding block are both clamped with one end of a third spring, and the other end of the third spring is clamped with the right side of the inner cavity of the guide rail, the inner side of the second sliding block extends out of the inner cavity of the guide rail and is provided with clamping blocks along the left-right direction, the left side of the lock hook extends into the left side of the inner cavity of the lock body and penetrates through the inner cavity of the through hole, the left side of the outer wall of the lock hook and the corresponding positions of the upper clamping block and the lower clamping block are respectively provided with an upper clamping groove and a lower clamping groove, the clamping grooves are sleeved with the clamping blocks, the upper clamping groove and the lower clamping block are respectively provided with a permanent magnetic plate, the right side of the circular blind hole is provided with an electromagnet which can be attracted with the permanent magnetic plate, and the electromagnet, the fingerprint identification instrument and the storage battery are electrically connected mutually.
Preferably, the area of the circular plate is larger than that of the opening at the top end of the inner cavity of the cylindrical block.
Preferably, the sliding groove is obliquely arranged on the outer wall of the T-shaped block from top to bottom.
Preferably, the inner cavity of the guide rail is in a dovetail groove shape, and the second sliding block is inserted into the inner cavity of the guide rail in a matched mode.
Preferably, the top end of the clamping block and the top end of the inner cavity of the clamping groove are inclined planes which are attached to each other.
Compared with the prior art, the beneficial effects of the utility model are that: the electric anti-misoperation lockset controls the electromagnet to be attracted with the permanent magnet plate magnetically after a fingerprint recognizer recognizes a correct fingerprint, under the limiting action of the second sliding block 15, the permanent magnet plate drives the clamping block to move towards the right side and be separated from the insertion connection with the inner cavity of the clamping groove so as to remove the fixation of the locking hook, the first spring pushes the locking hook to move upwards through the circular plate under the self elastic action so as to promote the inner cavity of the cylindrical block to be separated from the clamping connection with the outer wall of the locking hook on the left side, the second spring pushes the T-shaped block to move towards the left side in the inner cavity of the circular through hole under the self elastic action, the sliding groove drives the T-shaped block to move towards the left side and simultaneously drives the through hole to rotate towards the rear side clockwise so as to lead the outer wall of the T-shaped block to seal the left side of the inner cavity of the cylindrical block, thereby preventing misoperation, the electromagnet is adopted for unlocking, and the device can still ensure the normal antitheft performance of the lockset after the electromagnet fails due to external power failure or the damage of a storage battery, compared with the traditional anti-false lock, the anti-false lock has the advantages that the anti-false lock is guaranteed, and meanwhile the safety of the lock is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is an enlarged view of the position a of the present invention.
In the figure: 1. the lock body, 2, the fingerprint identification appearance, 3, the battery, 4, the cylinder piece, 5, the latch hook, 6, circular board, 7, first spring, 8, circular through-hole, 9, T-shaped piece, 10, the second spring, 11, spout, 12, first slider, 13, circular blind hole, 14, guide rail, 15, second slider, 16, third spring, 17, draw-in groove, 18, fixture block, 19, permanent magnetism board, 20, electro-magnet, 21, through-hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an electric error-preventing lock comprises a lock body 1, a fingerprint identification instrument 2 is installed on the front side of the lock body 1, a storage battery 3 is embedded in the bottom end of an inner cavity of the lock body 1, the fingerprint identification instrument 2, the storage battery 3 and an electromagnet 20 are directly purchased, installed and used from the market according to the size and the specific use model of the lock, the bottom end of the storage battery 3 extends out of the lower surface of the lock body 1 so as to facilitate the charging operation of the storage battery 3, the bottom end of the right side of the inner cavity of the lock body 1 is rotatably connected with a cylindrical block 4 through a bearing along the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the cylindrical block 4, an outer ring of the bearing is fixedly connected with the inside of the lock body 1, a lock hook 5 is inserted in an opening at the top end of the inner cavity of the cylindrical block 4 in an adaptive mode, the bottom end of the right side of the lock hook 5 extends into the bottom end of the inner cavity of the cylindrical block 4 and is provided with a circular plate 6, and one end of a first spring 7 is clamped at the bottom end of the circular plate 6, the other end of the first spring 7 is clamped with the bottom end of an inner cavity of the cylindrical block 4, the first spring 7 is a compression spring, the elastic coefficient is 16N/CM, the first spring 7 generates elastic deformation after being stretched or extruded, and recovers to an initial state after external force is removed, the first spring 7 is in a compression state when the lockset is locked, the first spring 7 can push the right side of the lock hook 5 to move upwards in the inner cavity of the cylindrical block 4 through the circular plate 6 under the self elastic action, so that the left side of the lock hook 5 moves upwards to sequentially pass through the inner cavities of the cylindrical block 21 and the cylindrical block 4, the inner cavity of the cylindrical block 21 is separated from the outer wall of the left side of the lock hook 5 to be clamped, the top end of the left side of the lock body 1 is provided with a circular through hole 8 communicated with the top end of the inner cavity of the lock body 1 along the left-right direction, the left side of the inner cavity of the circular through hole 8 is inserted with a T9, and the right side of the inner cavity of the circular through hole 8 is in a screw connection with one end of a second spring 10, the other end of the second spring 10 is rotatably connected with the right side of the T-shaped block 9 through a bearing, the second spring 10 is a compression spring, the elastic coefficient is 16N/CM, the second spring 10 generates elastic deformation after being stretched or extruded and recovers to the initial state after external force is removed, the second spring 10 is a compression spring in a compression state when the lock is locked, the second spring 10 pushes the T-shaped block 9 to move towards the left side in the inner cavity of the circular through hole 8 under the self elastic action, so that the chute 11 slides towards the left side along the bottom end of the outer wall of the first sliding block 12, the chute 11 drives the T-shaped block 9 to move towards the left side and simultaneously drives the through hole 21 to rotate towards the rear side clockwise, so that the left side of the inner cavity of the cylindrical block 4 is sealed by the outer wall of the T-shaped block 9, further, the false locking of other working personnel can be prevented, the inner ring of the bearing is in interference fit with the outer wall of the second spring 10, and the inner ring of the bearing is fixedly connected with the outer wall of the T-shaped block 9, the top end of the left side of the outer wall of the T-shaped block 9 is provided with a through hole 21 communicated with the bottom end of the T-shaped block 9, the right side of the outer wall of the T-shaped block 9 is provided with a chute 11, the top end of the inner cavity of the chute 11 is inserted with a first slide block 12, the top end of the first slide block 12 is in screw connection with the top end of the inner cavity of the circular through hole 8, the lower part of the left side of the inner cavity of the cylindrical block 4 is provided with a circular blind hole 13 communicated with the inner cavity of the cylindrical block 4, the upper end and the lower end of the inner cavity of the circular blind hole 13 are both provided with guide rails 14 along the left-right direction, the left sides of the inner cavities of the upper guide rail 14 and the lower guide rail 14 are both inserted with second slide blocks 15, the right sides of the upper slide block and the lower slide block 15 are both clamped with one end of a third spring 16, the other end of the third spring 16 is clamped with the right side of the inner cavity of the guide rails 14, the third spring 16 is a compression spring, the elastic coefficient is 16N/CM, the third spring is elastically deformed after being stretched or extruded, and returns to the initial state after the external force is removed, the third spring 16 is in a compressed state when the lock is locked, the inner sides of the upper and lower second sliding blocks 15 extend out of the inner cavity of the guide rail 14 and are provided with clamping blocks 18 along the left-right direction, the left side of the lock hook 5 extends into the left side of the inner cavity of the lock body 1 and penetrates through the inner cavity of the through hole 21, the left side of the outer wall of the lock hook 5 and the corresponding positions of the upper and lower clamping blocks 18 are respectively provided with a clamping groove 17 which is sleeved with the upper and lower clamping blocks 18, the right sides of the upper and lower clamping blocks 18 are respectively provided with a permanent magnet plate 19, the right side of the circular blind hole 13 is provided with an electromagnet 20 which can be magnetically attracted with the permanent magnet plate 19, the electromagnet 20, the fingerprint identifier 2 and the fingerprint identifier 2 of a worker are electrically connected, when the fingerprint identifier is correctly identified, the fingerprint identifier 2 controls the electromagnet 20 to be started, the electromagnet plate inside the electromagnet 20 is electrified and magnetically attracted with the permanent magnet plate 19, because the electromagnet 20 is only started in the unlocking state, the lock can still keep the locking state after the electromagnet 20 fails and stops working, so as to maintain normal theft prevention.
As preferred scheme, still further, the area of circular plate 6 is greater than the opening part area in the inner chamber top of cylinder piece 4, makes circular plate 6 carry on spacingly to latch hook 5, prevents that latch hook 5 right side from removing the inner chamber of cylinder piece 4.
Preferably, the chute 11 is obliquely arranged on the outer wall of the T-shaped block 9 from top to bottom, so that the chute 11 drives the T-shaped block 9 to move leftwards and simultaneously drives the through hole 21 to rotate clockwise backwards while the chute 11 slides leftwards along the bottom end of the outer wall of the first sliding block 12.
Preferably, the inner cavity of the guide rail 14 is in a dovetail groove shape, and the second sliding block 15 is inserted into the inner cavity of the guide rail 14, so that the second sliding block 15 limits the clamping block 18.
As a preferable scheme, further, the top end of the latch 18 and the top end of the inner cavity of the latch slot 17 are inclined planes which are attached to each other, so that the bottom end of the left side of the outer wall of the latch 18 can be clamped with the bottom end of the inner cavity of the latch slot 17, the latch hook 5 is further fixed, and when the latch hook is locked, the latch hook 5 moves downward, so that the latch 18 can move rightward along the inner wall of the latch slot 17.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, specific connection and control sequence.
When the lock is unlocked, a worker aims a finger at the fingerprint identification device 2, so that the fingerprint identification device 2 identifies the fingerprint of the worker, when the fingerprint identification is correct, the fingerprint identification device 2 controls the electromagnet 20 to be started, the electromagnet plate inside the electromagnet 20 is electrified and magnetically attracted with the permanent magnet plate 19, under the limiting action of the second slider 15, the permanent magnet plate 19 drives the fixture block 18 to move towards the right side, the second slider 15 moves towards the right side in the inner cavity of the guide rail 14 to extrude the third spring 16, meanwhile, the fixture block 18 is enabled to be separated from the inner cavity of the fixture groove 17 to release the fixation of the lock hook 5, the first spring 7 pushes the right side of the lock hook 5 to move upwards in the inner cavity of the cylindrical block 4 through the circular plate 6 under the self elastic action, the left side of the lock hook 5 moves upwards to sequentially pass through the inner cavities of the cylindrical block 21 and the cylindrical block 4, the inner cavity of the cylindrical block 21 is separated from the outer wall of the lock hook 5, the second spring 10 pushes the T-shaped block 9 to move to the left side in the inner cavity of the circular through hole 8 under the self elastic action, because the chute 11 is obliquely arranged on the outer wall of the T-shaped block 9 from top to bottom, when the chute 11 slides to the left side along the bottom end of the outer wall of the first slide block 12, the chute 11 drives the T-shaped block 9 to move towards the left side and simultaneously drives the through hole 21 to rotate towards the rear side clockwise, so that the outer wall of the T-shaped block 9 seals the left side of the inner cavity of the cylindrical block 4, thereby preventing other workers from locking by mistake, the workers rotate the cylinder block 5 to rotate under the coordination of the cylinder block 4 to remove the lock body 1 from the lock seat on the surface of the electric device, therefore, the electromagnet is adopted for unlocking, after the electromagnet fails due to external power failure or storage battery damage, the device still can guarantee the normal theftproof nature of tool to lock to compare in traditional mistake proofing lock, improve the security of tool to lock when guaranteeing the mistake lock.
In the description of the present invention, it is to be understood that the terms "top end", "bottom end", "one end", "front side", "rear side", "other end", "upper", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated; also, unless expressly stated or limited otherwise, the terms "mounted," "screwed," "plugged," "interference fit," "disposed," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an electric power prevents mistake tool to lock, includes lock body (1), its characterized in that: a fingerprint identification instrument (2) is installed on the front side of the lock body (1), a storage battery (3) is embedded in the bottom end of an inner cavity of the lock body (1), the bottom end of the storage battery (3) extends out of the lower surface of the lock body (1), the bottom end of the right side of the inner cavity of the lock body (1) is rotatably connected with a cylindrical block (4) through a bearing in the vertical direction, an inner ring of the bearing is in interference fit with the outer wall of the cylindrical block (4), an outer ring of the bearing is fixedly connected with the inside of the lock body (1), a lock hook (5) is inserted into an opening at the top end of the inner cavity of the cylindrical block (4) in a matching mode, the bottom end of the right side of the lock hook (5) extends into the bottom end of the inner cavity of the cylindrical block (4) and is provided with a circular plate (6), one end of a first spring (7) is clamped at the bottom end of the circular plate (6), and the other end of the first spring (7) is clamped with the bottom end of the inner cavity of the cylindrical block (4), the lock comprises a lock body (1), wherein a circular through hole (8) communicated with the top end of the left side of an inner cavity of the lock body (1) is formed in the top end of the left side of the lock body (1) along the left-right direction, a T-shaped block (9) is inserted and connected in the left side of the inner cavity of the circular through hole (8), one end of a second spring (10) is in screw connection with the right side of the inner cavity of the circular through hole (8), the other end of the second spring (10) is rotatably connected with the right side of the T-shaped block (9) through a bearing, an inner ring of the bearing is in interference fit with the outer wall of the second spring (10), the inner ring of the bearing is fixedly connected with the outer wall of the T-shaped block (9), a through hole (21) communicated with the bottom end of the T-shaped block (9) is formed in the top end of the left side of the outer wall of the T-shaped block (9), a sliding groove (11) is formed in the right side of the outer wall of the T-shaped block (9), a first sliding block (12) is inserted and connected in the top end of the inner cavity of the sliding groove (11), the top end of the first sliding block (12) is in screw connection with the top end of an inner cavity of the circular through hole (8), a circular blind hole (13) communicated with the inner cavity of the cylindrical block (4) is formed below the left side of the inner cavity of the cylindrical block (4), guide rails (14) are formed in the upper end and the lower end of the inner cavity of the circular blind hole (13) along the left-right direction, second sliding blocks (15) are inserted in the left sides of the inner cavities of the upper guide rail and the lower guide rail (14), one end of a third spring (16) is clamped in the right sides of the upper second sliding block and the lower second sliding block (15), the other end of the third spring (16) is clamped in the right side of the inner cavity of the guide rail (14), clamping blocks (18) are arranged in the left-right direction and extend into the left side of the inner cavity of the lock body (1) on the left side of the lock hook (5) and penetrate through the inner cavity of the through hole (21), the left side of the outer wall of the lock hook (5) corresponds to the upper and lower two clamping blocks (18), and the clamping grooves (17) which are sleeved with the clamping blocks (18) are formed in the positions, corresponding to the upper and lower clamping blocks (18), of the outer wall of the lock hook (5), permanent magnetic plates (19) are arranged on the right sides of the upper and lower clamping blocks (18), electromagnets (20) which can attract the permanent magnetic plates (19) in a magnetic mode are installed on the right sides of the circular blind holes (13), and the electromagnets (20) are electrically connected with the fingerprint identification instrument (2) and the storage battery (3) mutually.
2. The electric anti-misoperation lockset according to claim 1, wherein: the area of the circular plate (6) is larger than that of an opening at the top end of the inner cavity of the cylindrical block (4).
3. The electric anti-misoperation lockset according to claim 1, wherein: the chute (11) is obliquely arranged on the outer wall of the T-shaped block (9) from top to bottom.
4. The electric anti-misoperation lockset according to claim 1, wherein: the inner cavity of the guide rail (14) is in a dovetail groove shape, and the second sliding block (15) is in adaptive insertion connection with the inner cavity of the guide rail (14).
5. The electric anti-misoperation lockset according to claim 1, wherein: the top end of the clamping block (18) and the top end of the inner cavity of the clamping groove (17) are inclined planes which are attached to each other.
CN202022051240.8U 2020-09-17 2020-09-17 Electric anti-misoperation lockset Active CN214498690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022051240.8U CN214498690U (en) 2020-09-17 2020-09-17 Electric anti-misoperation lockset

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022051240.8U CN214498690U (en) 2020-09-17 2020-09-17 Electric anti-misoperation lockset

Publications (1)

Publication Number Publication Date
CN214498690U true CN214498690U (en) 2021-10-26

Family

ID=78196536

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022051240.8U Active CN214498690U (en) 2020-09-17 2020-09-17 Electric anti-misoperation lockset

Country Status (1)

Country Link
CN (1) CN214498690U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114800415A (en) * 2022-05-31 2022-07-29 国网山西省电力公司超高压变电分公司 Permission identification insulation grounding type tool box for power transformation maintenance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114800415A (en) * 2022-05-31 2022-07-29 国网山西省电力公司超高压变电分公司 Permission identification insulation grounding type tool box for power transformation maintenance

Similar Documents

Publication Publication Date Title
CN214498690U (en) Electric anti-misoperation lockset
CN206957390U (en) A kind of fingerprint-based padlock semi-automatic unlocking device
CN109610955B (en) Fingerprint padlock
CN105089371A (en) Control method of electronic lock and electronic lock of this type
CN111894415A (en) High-end embedded anti-theft door
CN107524347B (en) Electronic lock method with electronic control key unlocking prevention function
CN212656680U (en) Passive electronic lock cylinder and lockset
CN204462221U (en) A kind of anti-electricity-theft device
CN206477693U (en) A kind of Intelligent cabinet lock
CN209761092U (en) Intelligent sharing bicycle lock
CN208073157U (en) A kind of intelligence button lock
CN208380315U (en) A kind of latch closure ground wire lock
CN217983990U (en) Grounding wire device
CN218040108U (en) Intelligent grounding wire device
CN215485267U (en) Mechanical unlocking transmission assembly for intelligent door lock
CN216489178U (en) Anti-misoperation locking device of distribution network switch cabinet
CN111877871A (en) Magnetic interference type anti-theft early warning lock
CN214170223U (en) Electronic lock
CN219196995U (en) Multiple protection industry safety lock structure
CN217712145U (en) Lock set
CN216121526U (en) Drawer type switch cabinet
CN215927066U (en) Synchronous magnetic lock with monitoring function
CN215407939U (en) Fingerprint lock with pick-proof structure
CN218563349U (en) Direct current magnetic suction disc for protective door
CN218438775U (en) Magnetic suction lock with automatic reset lock core

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: Full Floor 14, Unit 3, Building 2, No. 11, Middle Spectra Road, Huangpu District, Guangzhou, Guangdong 510700

Patentee after: China Southern Power Grid Digital Grid Technology (Guangdong) Co.,Ltd.

Address before: Unit 4, 801, radio and television technology building, 163 xipingyun Road, Huangpu Avenue, Tianhe District, Guangzhou, Guangdong 510000

Patentee before: GUANGZHOU KE TENG INFORMATION TECHNOLOGY Co.,Ltd.

CP03 Change of name, title or address