CN220580773U - Push rod lock - Google Patents

Push rod lock Download PDF

Info

Publication number
CN220580773U
CN220580773U CN202321727346.2U CN202321727346U CN220580773U CN 220580773 U CN220580773 U CN 220580773U CN 202321727346 U CN202321727346 U CN 202321727346U CN 220580773 U CN220580773 U CN 220580773U
Authority
CN
China
Prior art keywords
rotating
rod
driving
lock
lock shell
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
CN202321727346.2U
Other languages
Chinese (zh)
Inventor
杨永来
伏振峰
林陈舜
雷静
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.)
Wenzhou Dukan Hardware Co ltd
Original Assignee
Wenzhou Dukan Hardware 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 Wenzhou Dukan Hardware Co ltd filed Critical Wenzhou Dukan Hardware Co ltd
Priority to CN202321727346.2U priority Critical patent/CN220580773U/en
Application granted granted Critical
Publication of CN220580773U publication Critical patent/CN220580773U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The utility model belongs to the technical field of locks, and particularly relates to a push rod lock, which is characterized by comprising the following components: two lock shells respectively installed on two sides of the door; the rotating structures are respectively connected to one side of the two lock shells opposite to each other in a rotating way; the driving mechanism is arranged in the lock shell far away from one side of the door, which is rotationally connected; the input end of the first locking structure is arranged in the lock shell and matched with the driving mechanism, and the output end of the first locking structure penetrates through the side wall of the lock shell and is matched with the threshold; the output ends of the two second locking structures are respectively arranged on the ground and the inner wall of the top end of the threshold, the input ends of the two second locking structures respectively penetrate through the top end and the bottom end of the lock shell, and the input ends of the two second locking structures are matched with the driving mechanism; the input ends of the two second locking structures can adjust whether the driving mechanism is in an unlocking and locking state; the utility model has the beneficial effects that; the lock can be locked at a single point or locked at two points, and is convenient to unlock.

Description

Push rod lock
Technical Field
The utility model relates to the technical field of locks, in particular to a push rod lock.
Background
The push rod lock is arranged on the door and matched with the threshold to realize the closing effect, and the push rod lock is used for the safety escape checkpoint in the emergency situations such as fire disaster and the like. The push rod lock is a door lock widely used on escape doors.
In the prior art, most push rod locks have only a single lock function, so that the push rod lock locking state has only a single lock stress point, and the push rod lock is easy to be damaged by external force collision, so that the door cannot be normally closed.
Disclosure of Invention
In view of the shortcomings of the prior art, an object of the present utility model is to provide a push rod lock to solve the above-mentioned problems.
In view of this, the present utility model provides a push rod lock comprising:
two lock shells respectively installed on two sides of the door;
the rotating structures are respectively connected to one side of the two lock shells opposite to each other in a rotating way;
the driving mechanism is arranged in the lock shell far away from one side of the door, which is rotationally connected;
the input end of the first locking structure is arranged in the lock shell and matched with the driving mechanism, and the output end of the first locking structure penetrates through the side wall of the lock shell and is matched with the threshold;
the output ends of the two second locking structures are respectively arranged on the ground and the inner wall of the top end of the threshold, the input ends of the two second locking structures respectively penetrate through the top end and the bottom end of the lock shell, and the input ends of the two second locking structures are matched with the driving mechanism;
the input ends of the two second locking structures can adjust whether the driving mechanism is in an unlocking and locking state.
Through adopting above-mentioned technical scheme, through the setting of two lock shells, can make the stable rotation of slewing mechanism, through the setting of slewing structure, can carry out outside pressing and drive actuating mechanism, through actuating mechanism's setting, can make first locking structure retract in the threshold fast, form the state of opening the door, through the setting of second locking structure, can make the door realize double lock, increase the stability of closing the door to can also make the second locking structure be in the state of opening under the state that does not need double lock.
Further, the rotating structure includes:
the two rotating blocks are respectively connected with one side of the two lock shells opposite to each other in a rotating way;
the driving rod is respectively connected to one side of the two rotating blocks opposite to each other;
wherein, the drive pole rotates through pressing the drive turning block.
Further, the driving mechanism includes:
the transmission block is arranged in the lock shell and is connected with the rotating block;
the rotating disc is sleeved on the outer side wall of the transmission block;
the first driving rod is arranged on the side wall of one side of the rotating disc, which is away from the rotating mechanism;
the driving structure is arranged on the inner wall of one side of the lock shell, which is away from the rotating block;
the first driving rod drives the driving structure to operate, so that the driving structure drives the first locking structure to rotate, and a first rotary spring for rotating the driving block is arranged on the driving block.
Further, the driving structure includes:
the two support plates are arranged on the inner wall of the lock shell at intervals, and the support plates are positioned on the inner wall of one side of the lock shell, which is away from the rotating block;
the two ends of the first rotating rod penetrate through the two support plates, and the first rotating rod is rotationally connected with the two support rods;
the inner wall of the U-shaped driving block is connected with two ends of the first rotating rod;
the transmission rod is arranged at the bottom end of the U-shaped driving block;
when the transmission block rotates, the first driving rod rotates to rise, so that the transmission rod is driven to rise and rotate by taking the first rotating rod as the center.
Further, the first locking structure includes:
the fixed end of the locking block is connected with the first rotating rod, and the output end of the locking block is rotationally moved in the lock shell or moved out of the lock shell to be positioned in the threshold through the first rotating rod;
the mounting groove is arranged at the top end of the locking block and is communicated with the outer side wall of the first rotating rod;
the first rotating rod is provided with a second rotating spring for rotating the first rotating rod.
Further, the second locking structure includes;
the two second rotating rods are respectively connected to the inner wall of the lock shell in a rotating way and are respectively positioned at two sides of the transmission rod;
the middle parts of the two Z-shaped blocks are rotationally connected with the second rotating rod, one ends of the two Z-shaped blocks respectively deviate from the transmission rod, and the other ends of the two Z-shaped blocks are positioned above the transmission rod in a non-rotating state;
one end of each limiting rod is inserted into the threshold and the ground respectively, and the other ends of the limiting rods penetrate through the lock shell and are respectively connected with the corresponding Z-shaped blocks in a rotating manner;
the two second driving rods penetrate through two side walls of the lock shell respectively, are positioned on two sides of the transmission rod and slide on the lock shell;
the two plug-in blocks are respectively plugged in one ends of the two second driving rods, which are away from the threshold;
the second rotating rod is provided with a third rotary spring for rotating the Z-shaped block, the lock shell is provided with a sliding groove for the second driving block to slide, when the transmission rod rotates upwards, the transmission rod pushes the Z-shaped block to rotate, so that the second driving rod is driven to retract to release the plug, when the second driving rod slides along the sliding groove towards the Z-shaped block, the second driving rod pushes the Z-shaped block to rotate, so that the limit rod retracts to release the plug, and the inner wall of the sliding groove is provided with a plug groove for the plug block to plug and limit.
The beneficial effects of the utility model are as follows:
1. through the setting of slewing mechanism, actuating mechanism and first locking structure, can release the locking state of first locking structure fast through slewing mechanism drive actuating mechanism.
2. Through the setting of second locking structure, can increase the stability of locking the door, and can realize opening second locking structure or close second locking structure.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a lock housing according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present utility model;
fig. 3 is an enlarged view of fig. 2 a in accordance with an embodiment of the present utility model.
Reference numerals: 1. a door; 2. a threshold; 3. a lock case; 4. a rotating block; 5. a drive rod; 6. a transmission block; 7. a rotating disc; 8. a first driving lever; 9. a first rotary spring; 10. a support plate; 11. a first rotating lever; 12. a U-shaped driving block; 13. a transmission rod; 14. a locking block; 15. a mounting groove; 16. a second rotary spring; 17. a second rotating lever; 18. a Z-shaped block; 19. a limit rod; 20. a second driving lever; 21. a plug block; 22. and a third rotary spring.
Detailed Description
Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally indicates that the associated object is a push rod lock or.
It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Example 1:
the present embodiment provides a push rod lock, including:
two lock cases 3 respectively installed at both sides of the door 1;
the rotating structures are respectively connected to one side of the two lock shells 3 opposite to each other in a rotating way;
the driving mechanism is arranged in the lock shell 3 far away from one side of the door 1 which is rotationally connected;
the input end of the first locking structure is arranged in the lock shell 3 and matched with the driving mechanism, and the output end penetrates through the side wall of the lock shell 3 and is matched with the threshold 2;
the output ends of the two second locking structures are respectively arranged on the ground and the inner wall of the top end of the threshold 2, the input ends of the two second locking structures respectively penetrate through the top end and the bottom end of the lock shell 3, and the input ends of the two second locking structures are matched with the driving mechanism;
the input ends of the two second locking structures can adjust whether the driving mechanism is in an unlocking and locking state;
through the setting of two lock shells 3, can make the stable rotation of slewing mechanism, through the setting of slewing structure, can carry out outside pressing and drive actuating mechanism, through actuating mechanism's setting, can make first locking structure retract in the threshold 2 fast, form 1 state of opening the door, through the setting of second locking structure, can make door 1 realize double lock, increase the stability of closing door 1 to can also make second locking structure be in the state of opening under the state that does not need double lock.
Example 2:
in this embodiment, in addition to including the structural features of the foregoing embodiment, the further rotation structure includes:
the two rotating blocks 4 are respectively connected with one side of the two lock shells 3 opposite to each other in a rotating way;
the driving rod 5 is respectively connected to one side of the two rotating blocks 4 opposite to each other;
wherein the driving rod 5 drives the rotating block 4 to rotate by pressing;
through the setting of the driving rod 5, an operator can press the driving rod 5 to enable the rotating block 4 to rotate by taking the lock shell 3 as the center, so as to drive the driving mechanism to work.
Example 3:
in this embodiment, in addition to including the structural features of the foregoing embodiment, the driving mechanism further includes:
the transmission block 6 is arranged in the lock shell 3 and is connected with the rotating block 4;
the rotating disc 7 is sleeved on the outer side wall of the transmission block 6;
the first driving rod 8 is arranged on the side wall of the rotating disc 7, which is away from the rotating mechanism;
the driving structure is arranged on the inner wall of one side of the lock shell 3, which is away from the rotating block 4;
the first driving rod 8 drives the driving structure to operate, so that the driving structure drives the first locking structure to rotate, and the transmission block 6 is provided with a first rotary spring 9 for rotating the transmission block 6;
when the rotating block 4 rotates, the transmission block 6 rotates along with the rotating block 4, the rotating disc 7 also rotates along with the transmission block 6, so that the first driving rod 8 rotates, when the first driving rod 8 rises along with the rotating disc 7, the driving structure is driven to rotate, the first locking structure is enabled to rotate and retract, the door opening 1 is achieved, and the rotating structure can automatically rotate back when no pressing is caused through the arrangement of the first rotary spring 9.
Example 4:
in this embodiment, in addition to including the structural features of the foregoing embodiment, the driving structure further includes:
the two support plates 10 are arranged on the inner wall of the lock shell 3 at intervals, and the support plates 10 are positioned on the inner wall of one side of the lock shell 3 away from the rotating block 4;
the first rotating rod 11 penetrates through the two support plates 10 at two ends, and the first rotating rod 11 is rotationally connected with the two support rods;
the inner wall of the U-shaped driving block 12 is connected with two ends of the first rotating rod 11;
the transmission rod 13 is arranged at the bottom end of the U-shaped driving block 12;
when the transmission block 6 rotates, the first driving rod 8 rotates and rises, so that the transmission rod 13 is driven to rise and rotate around the first rotating rod 11;
through the setting of two backup pads 10, can make first dwang 11 rotate, through the cooperation setting of U-shaped drive piece 12 and transfer line 13, when can making first actuating lever 8 rotate and rise, make U-shaped drive piece 12 drive first dwang 11 rotate to first locking structure follows first dwang 11 and rotates in the withdrawal lock shell 3, accomplishes the door 1.
Example 5:
in this embodiment, in addition to including the structural features of the foregoing embodiment, the first locking structure further includes:
the locking block 14, the fixed end connects to the first rotary rod 11, the output end is rotated and moved in the lock shell 3 or moved out of the lock shell 3 to locate in threshold 2 through the first rotary rod 11;
the mounting groove 15 is arranged at the top end of the locking block 14, and the mounting groove 15 is communicated with the outer side wall of the first rotating rod 11;
wherein, the first rotating rod 11 is provided with a second rotating spring 16 for rotating the first rotating rod 11;
through the setting of latch segment 14, can rotate along with first dwang 11 to reach latch segment 14 and follow first dwang 11 and rotate back in the lock housing 3, through the setting of mounting groove 15, can make the better gyration latch segment 14 of second gyration spring 16, and through the setting of second gyration spring 16, can make the rotation mechanism have better rotation when pressing back the normal position.
Example 6:
in this embodiment, in addition to including the structural features of the previous embodiment, further said second locking structure includes;
two second rotating rods 17 are respectively connected to the inner wall of the lock shell 3 in a rotating way, and the two second rotating rods 17 are respectively positioned at two sides of the transmission rod 13;
the middle parts of the two Z-shaped blocks 18 are rotationally connected with the second rotating rod 17, one ends of the two Z-shaped blocks respectively deviate from the transmission rod 13, and the other ends of the two Z-shaped blocks are positioned above the transmission rod 13 in a non-rotating state;
one end of each limiting rod 19 is respectively spliced with the doorsill 2 and the ground, and the other ends of the limiting rods penetrate through the lock shell 3 and are respectively connected with the corresponding Z-shaped blocks 18 in a rotating mode;
two second driving rods 20 penetrating through two side walls of the lock case 3 respectively, the two second driving rods 20 being located at two sides of the transmission rod 13 and sliding on the lock case 3;
the two plug-in blocks 21 are respectively plugged into one ends of the two second driving rods 20, which are away from the threshold 2;
the second rotating rods 17 are respectively provided with a third rotary spring 22 for rotating the Z-shaped blocks 18, the lock shell 3 is provided with a sliding groove for sliding a second driving block, when the transmission rods 13 rotate upwards, the transmission rods 13 push the Z-shaped blocks 18 to rotate so as to drive the limiting rods 19 to retract and release the insertion, when the second driving rods 20 slide along the sliding grooves towards the Z-shaped blocks 18, the second driving rods 20 push the Z-shaped blocks 18 to rotate so as to enable the limiting rods 19 to retract and release the insertion, and the inner walls of the sliding grooves are provided with insertion grooves for limiting the insertion blocks 21;
through the setting of second dwang 17, can make Z shape piece 18 rotate, through the setting of Z shape piece 18, pull back gag lever post 19 when can making Z shape piece 18 rotate, through the setting of gag lever post 19, can make gag lever post 19 not limit opening of door 1 when being pulled back, through the setting of second actuating lever 20, can make the promotion Z shape piece 18 between the second actuating lever 20 rotate, thereby pull back gag lever post 19, through the cooperation of spliced block 21 with spout and spliced groove, can make second actuating lever 20 when wanting to drive Z shape piece 18 to be in the rotation state always, spliced block 21 is pegged graft in the spliced groove, thereby make second actuating lever 20 unable removal, thereby make gag lever post 19 be in the pull back rotation always, single lock or double lock's switching has been realized, through the setting of third gyration spring 22, can make Z shape piece 18 driven by transfer lever 13 and rise and rotate, when transfer lever 13 does not have subsequent force, third gyration spring 22 gyration Z shape piece 18 makes gag lever post 19 stretch out and resumes.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. A push rod lock, comprising:
two lock shells (3) respectively installed on two sides of the door (1);
the rotating structures are respectively connected to one side of the two lock shells (3) opposite to each other in a rotating way;
the driving mechanism is arranged in the lock shell (3) far away from one side of the door (1) which is rotationally connected;
the input end of the first locking structure is arranged in the lock shell (3) and matched with the driving mechanism, and the output end penetrates through the side wall of the lock shell (3) and is matched with the threshold (2);
the output ends of the two second locking structures are respectively arranged on the ground and the inner wall of the top end of the threshold (2), the input ends of the two second locking structures respectively penetrate through the top end and the bottom end of the lock shell (3), and the input ends of the two second locking structures are matched with the driving mechanism;
the input ends of the two second locking structures can adjust whether the driving mechanism is in an unlocking and locking state.
2. A push rod lock according to claim 1 wherein the rotating structure comprises:
the two rotating blocks (4) are respectively connected with one side opposite to the two lock shells (3) in a rotating way;
and a driving rod (5) respectively connected to one side of the two rotating blocks (4) opposite to each other;
wherein, the driving rod (5) rotates through pressing the driving rotating block (4).
3. A push rod lock according to claim 2, wherein the drive mechanism comprises:
the transmission block (6) is arranged in the lock shell (3) and is connected with the rotating block (4);
the rotating disc (7) is sleeved on the outer side wall of the transmission block (6);
the first driving rod (8) is arranged on the side wall of one side of the rotating disc (7) away from the rotating mechanism;
the driving structure is arranged on the inner wall of one side of the lock shell (3) away from the rotating block (4);
the first driving rod (8) drives the driving structure to operate, so that the driving structure drives the first locking structure to rotate, and a first rotary spring (9) for rotating the driving block (6) is arranged on the driving block (6).
4. A push rod lock according to claim 3 wherein the drive structure comprises:
the two support plates (10) are arranged on the inner wall of the lock shell (3) at intervals, and the support plates (10) are positioned on the inner wall of one side of the lock shell (3) away from the rotating block (4);
the two ends of the first rotating rod (11) penetrate through the two supporting plates (10), and the first rotating rod (11) is rotationally connected with the two supporting rods;
the inner wall of the U-shaped driving block (12) is connected with two ends of the first rotating rod (11);
the transmission rod (13) is arranged at the bottom end of the U-shaped driving block (12);
when the transmission block (6) rotates, the first driving rod (8) rotates and ascends, so that the transmission rod (13) is driven to ascend and rotate by taking the first rotating rod (11) as a center.
5. The push rod lock of claim 4, wherein the first locking structure comprises:
the locking block (14) is connected with the first rotating rod (11) at the fixed end, and the output end is rotationally moved in the lock shell (3) or moved out of the lock shell (3) to be positioned in the doorsill (2) through the first rotating rod (11);
the mounting groove (15) is arranged at the top end of the locking block (14), and the mounting groove (15) is communicated with the outer side wall of the first rotating rod (11);
the first rotating rod (11) is provided with a second rotating spring (16) for rotating the first rotating rod (11).
6. A push rod lock according to claim 5 wherein said second locking structure comprises;
the two second rotating rods (17) are respectively connected to the inner wall of the lock shell (3) in a rotating way, and the two second rotating rods (17) are respectively positioned at two sides of the transmission rod (13);
the middle parts of the two Z-shaped blocks (18) are rotationally connected with the second rotating rod (17), one ends of the two Z-shaped blocks respectively deviate from the transmission rod (13), and the other ends of the two Z-shaped blocks are positioned above the transmission rod (13) in a non-rotating state;
one end of each limiting rod (19) is respectively spliced with the doorsill (2) and the ground, and the other ends of the limiting rods penetrate through the lock shell (3) and are respectively connected with the corresponding Z-shaped blocks (18) in a rotating mode;
two second driving rods (20) respectively penetrate through two side walls of the lock shell (3), and the two second driving rods (20) are positioned on two sides of the transmission rod (13) and slide on the lock shell (3);
the two plug-in blocks (21) are respectively plugged in one ends of the two second driving rods (20) which are away from the threshold (2);
the second rotating rods (17) are respectively provided with a third rotating spring (22) for rotating the Z-shaped blocks (18), the lock shell (3) is provided with a sliding groove for enabling the second driving blocks to slide, when the transmission rods (13) rotate upwards, the transmission rods (13) push the Z-shaped blocks (18) to rotate, so that the limiting rods (19) are driven to retract and release the plug, when the second driving rods (20) slide along the sliding grooves towards the Z-shaped blocks (18), the second driving rods (20) push the Z-shaped blocks (18) to rotate, so that the limiting rods (19) retract and release the plug, and plug grooves for limiting the plug blocks (21) to plug are formed in the inner walls of the sliding grooves.
CN202321727346.2U 2023-07-03 2023-07-03 Push rod lock Active CN220580773U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321727346.2U CN220580773U (en) 2023-07-03 2023-07-03 Push rod lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321727346.2U CN220580773U (en) 2023-07-03 2023-07-03 Push rod lock

Publications (1)

Publication Number Publication Date
CN220580773U true CN220580773U (en) 2024-03-12

Family

ID=90118397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321727346.2U Active CN220580773U (en) 2023-07-03 2023-07-03 Push rod lock

Country Status (1)

Country Link
CN (1) CN220580773U (en)

Similar Documents

Publication Publication Date Title
CN101021116B (en) Safety push-rod lock
CN220580773U (en) Push rod lock
CN202299736U (en) Safe burglarproof lock
US2327071A (en) Door lock
CN104912395B (en) A kind of coded lock is locked and coded lock with side
US2920474A (en) Door lock
US2887735A (en) Multiple door latching system
CN105844794A (en) Coin recycling box with opening double-lock-control function
JP3073659B2 (en) Emergency door opening / closing device
CN210828642U (en) Handle door lock capable of reversely locking
CN210033008U (en) Window lock and window based on window lock
CN208461238U (en) The earthing switch and cable chamber door mechanical lock of fixed switching cabinet
CN205608878U (en) Coin collection box with function is opened in twin -lock control
CN206718933U (en) A kind of kindergarten's safety of school bus door gear
CN219034462U (en) Trunk business library
CN203821995U (en) Intelligent lock capable of realizing automatic locking
CN216690747U (en) Double-handwheel inside and outside mutual opening device for cultural relic storehouse door
CN220267416U (en) Single-opening self-locking lock
CN202157602U (en) Labyrinth lock and key used in association with the labyrinth lock
EP0248571A3 (en) Latch assembly
CN220815251U (en) Lock with hidden convenient-to-detach handle
CN212224927U (en) Clutch mechanism of fingerprint lock
CN113863783B (en) Flexible anti-prying planar lock device
CN218522557U (en) Safety door
CN215056270U (en) Emergency unlocking structure for storage cabinet

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant