CN209482917U - A kind of link lock - Google Patents

A kind of link lock Download PDF

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Publication number
CN209482917U
CN209482917U CN201821684848.0U CN201821684848U CN209482917U CN 209482917 U CN209482917 U CN 209482917U CN 201821684848 U CN201821684848 U CN 201821684848U CN 209482917 U CN209482917 U CN 209482917U
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CN
China
Prior art keywords
connecting block
lock
lock core
locking bar
link
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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
CN201821684848.0U
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Chinese (zh)
Inventor
张慧平
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.)
Shanghai Huake Special Equipment Technology Co Ltd
Original Assignee
Shanghai Huake Special Equipment 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 Shanghai Huake Special Equipment Technology Co Ltd filed Critical Shanghai Huake Special Equipment Technology Co Ltd
Priority to CN201821684848.0U priority Critical patent/CN209482917U/en
Application granted granted Critical
Publication of CN209482917U publication Critical patent/CN209482917U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model proposes a kind of link locks, including lock tongue, backset, locking bar, door plank fixing structure and lock core structure;Lock tongue includes tapered end and the first connecting block;Tapered end is connected with one end of the first connecting block;The other end of first connecting block is extended with the first connecting rod being flexibly connected with locking bar;First connecting rod and tapered end are arranged in predetermined angle;First connecting block is connected by rotation axis with door leaf, and the first connecting block is realized using rotation axis as the rotation in axle center;Tapered end and backset cooperatively form locking structure;Lock core structure includes the second connecting block and lock core;Lock core is connected by door plank fixing structure with door leaf;Second connecting block is fixedly connected with lock core;The second connecting rod being flexibly connected with locking bar is extended in second connecting block, with solve the problems, such as existing link lock locking it is insecure and unlock shut it is laborious.

Description

A kind of link lock
Technical field
The utility model relates to door lock technical field more particularly to a kind of link locks.
Background technique
Link lock, for lockking the lid in metal plate type cabinet frame or similar doorframe or box-frame, including with door Bian Pinghang , it is substantially erected on door or frame, is preferably disposed on the molding connecting rod that its swing angle spatially longitudinally extends, it is such as flat Bar;It is mounted on the locating piece on doorframe or door including at least one, receives connecting rod when for door lock to be stayed in closed position;Packet Include the operating device for the connecting rod connecting with door-plate.
Traditional link lock is there are lockset locking is insecure, and structure is complicated causes to unlock not smooth, and unlocking is shut and its expense Power, it is stuck using there is a problem of for a long time.
Utility model content
It is insecure and open to solve existing link lock locking the purpose of this utility model is that propose a kind of link lock Lock shuts laborious problem.
In order to achieve the above objectives, the utility model proposes a kind of link locks, including lock tongue, backset, locking bar, door-plate fixed knot Structure and lock core structure;
The lock tongue includes tapered end and the first connecting block;The tapered end is connected with one end of first connecting block;Institute The other end for stating the first connecting block is extended with the first connecting rod being flexibly connected with the locking bar;The first connecting rod with it is described Tapered end is arranged in predetermined angle;First connecting block is connected by rotation axis with door leaf, and first connecting block is realized with institute State the rotation that rotation axis is axle center;The tapered end and the backset cooperatively form locking structure;
The lock core structure includes the second connecting block and lock core;The lock core is connected by door plank fixing structure with door leaf It connects;Second connecting block is fixedly connected with the lock core;It is extended in second connecting block and is flexibly connected with the locking bar The second connecting rod.
Preferably, the backset is equipped with grooved rail;The connecting pin of the first connecting rod and the backset is a pulley;Institute Pulley is stated to slide in and out along grooved rail realization.
Preferably, the track of the grooved rail designs for cambered surface, and the open end of the cambered surface from the grooved rail is in the other end The trend of upward slope.
Preferably, the predetermined angle is more than or equal to 120 degree, is less than or equal to 160 degree.
Preferably, the upper and lower side of the locking bar is equipped with the lock tongue;The middle part of the locking bar is equipped with the lock core structure.
Preferably, the door-plate fixed mechanism includes first flange disk and second flange disk;The first flange disk and Two ring flanges are oppositely arranged, and the lock core is interspersed between the first flange disk and second flange disk.
Preferably, the lock core is a pin;The link lock further include matched with the end of the pin it is "T"-shaped Key.
Preferably, the locking bar is flat connecting rod.
Compared with prior art, the utility model is advantageous in that: the utility model is using first connecting rod and lock It in a manner of head is arranged in predetermined angle, is driven by multipoint mode, when unlocking and shutting, when link transmission is more laborsaving.
The upper and lower side of locking bar is equipped with lock tongue, and the whole link mechanism for using two point form, connecting rod is in transmission by unit Pressure on area is smaller, and lock tongue abrasion is small, and physical life is long.
The track of grooved rail designs in backset for cambered surface, cooperates with the pulley on tapered end, and door can be got over during the shutdown process Pressure is tighter, guarantees the leakproofness of door.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of link lock in an embodiment of the present invention;
Fig. 2 is a kind of main view of link lock in an embodiment of the present invention;
Fig. 3 is a kind of side view of link lock in an embodiment of the present invention.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is further described.
As shown in Figure 1, Figure 2 and Figure 3, the utility model proposes a kind of link locks, including lock tongue 1, backset 2, locking bar 3, door Board fixing structure 4 and lock core structure 5;
Lock tongue 1 includes tapered end 11 and the first connecting block 12;Tapered end 11 is connected with one end of the first connecting block 12;First rank The other end for connecing block 12 is extended with the first connecting rod 13 being flexibly connected with locking bar 3;First connecting rod 13 and tapered end 11 are in predetermined Angle setting;First connecting block 12 is connected by rotation axis 14 with door leaf, and it is axle center that the first connecting block 12, which is realized with rotation axis 14, Rotation;Tapered end 11 and backset 2 cooperatively form locking structure;
Lock core structure 5 includes the second connecting block 51 and lock core 52;Lock core 52 is connected by door plank fixing structure 4 with door leaf It connects;Second connecting block 51 is fixedly connected with lock core 52;It is extended in second connecting block 51 and is connect with the second of the flexible connection of locking bar 3 Bar 53.
In the present embodiment, backset 2 is equipped with grooved rail 21;The connecting pin of first connecting rod 13 and backset 2 is a pulley 15; Pulley 15 slides in and out along the realization of grooved rail 21, after pulley 15 is skidded off out of grooved rail 21, that is, the opening state locked;When pulley 15 It slides into grooved rail 21, that is, the closed state locked.
In the present embodiment, the track of grooved rail 21 designs for cambered surface, and the open end of cambered surface from grooved rail 21 is presented to the other end The trend on slope, when pulley 15 is slided into grooved rail 21, with the trend in ramp, the contact area of pulley 15 and track is increasingly Greatly, door the more can press the more tight during the shutdown process, guarantee the leakproofness of door.
In the present embodiment, predetermined angle is more than or equal to 120 degree, is less than or equal to 160 degree, and when unlocking and shutting, connecting rod is passed Angle force can be complied with when dynamic, unlocking shuts more laborsaving.
In the present embodiment, the upper and lower side of locking bar 3 is equipped with lock tongue 1;The middle part of locking bar 3 is equipped with lock core structure 5, integrally adopts With the link mechanism of two point form, connecting rod is smaller by the pressure on unit area in transmission, and lock tongue 1 wears small, physical life It is long.
In the present embodiment, door plank fixing structure 4 includes first flange disk and second flange disk;First flange disk and second Ring flange is oppositely arranged, and lock core 52 is interspersed between first flange disk and second flange disk.
In the present embodiment, lock core 52 is a pin;Link lock further includes the "T"-shaped key matched with the end of pin Spoon, easy to operate and use are simple.
In the present embodiment, locking bar 3 is flat connecting rod, manufacture easy to process, economic and practical height.
In the present embodiment, the working principle of the present embodiment are as follows: staff's first flange disk and second flange disk difference It is placed in the both ends of Yishanmen page;Door plank fixing structure 4 is connected to by the cooperation between first flange disk and second flange disk On first fan door leaf;First connecting block 12 and the second connecting block 51 also are secured on the first fan door leaf by bolt;By backset 2 Another fan is also fixed on simultaneously by screw to fan on door leaf;
After installation, staff turns lock core 52, drives by the way that "T"-shaped key to be inserted into pin, that is, lock core 52 Second connecting block, 51 turn, the second connecting block 51 drive locking bar 3 to lift upwards by the second connecting rod 53;Locking bar 3 passes through first Connecting rod 13 links the first connecting block 12 around the rotation of rotation axis 14, drives tapered end 11 to skid off out of backset 2 grooved rail 21, that is, completes Unlocking step;Correspondingly, turning lock core 52 by "T"-shaped key by personnel, 51 turn of the second connecting block, the second rank are driven It connects block 51 and drives locking bar 3 to move down by the second connecting rod 53;Locking bar 3 passes through the first connecting block 12 of linkage of first connecting rod 13 It is rotated around rotation axis 14, drives tapered end 11 to slide into the grooved rail 21 of backset 2, that is, the step of completely shutting.
The preferred embodiment that above are only the utility model, does not play the role of any restrictions to the utility model. Any person of ordinary skill in the field, in the range of not departing from the technical solution of the utility model, to the utility model The technical solution and technology contents of exposure make the variation such as any type of equivalent replacement or modification, belong to without departing from the utility model Technical solution content, still fall within the protection scope of the utility model.

Claims (8)

1. a kind of link lock, which is characterized in that including lock tongue, backset, locking bar, door plank fixing structure and lock core structure;
The lock tongue includes tapered end and the first connecting block;The tapered end is connected with one end of first connecting block;Described The other end of one connecting block is extended with the first connecting rod being flexibly connected with the locking bar;The first connecting rod and the tapered end It is arranged in predetermined angle;First connecting block is connected by rotation axis with door leaf, and first connecting block is realized with described turn Moving axis is the rotation in axle center;The tapered end and the backset cooperatively form locking structure;
The lock core structure includes the second connecting block and lock core;The lock core is connected by door plank fixing structure with door leaf;Institute The second connecting block is stated to be fixedly connected with the lock core;Second be flexibly connected with the locking bar is extended in second connecting block Connecting rod.
2. link lock according to claim 1, which is characterized in that the backset is equipped with grooved rail;The first connecting rod Connecting pin with the backset is a pulley;The pulley slides in and out along grooved rail realization.
3. link lock according to claim 2, which is characterized in that the track of the grooved rail designs for cambered surface, the cambered surface From the open end of the grooved rail to the other end in the trend gone up a slope.
4. link lock according to claim 1, which is characterized in that the predetermined angle is more than or equal to 120 degree, is less than or equal to 160 degree.
5. link lock according to claim 1, which is characterized in that the upper and lower side of the locking bar is equipped with the lock tongue;Institute The middle part for stating locking bar is equipped with the lock core structure.
6. link lock according to claim 1, which is characterized in that the door-plate fixed mechanism includes first flange disk and Two ring flanges;The first flange disk and second flange disk are oppositely arranged, and the lock core is interspersed in the first flange disk and Between two ring flanges.
7. link lock according to claim 1, which is characterized in that the lock core is a pin;The link lock further includes The "T"-shaped key matched with the end of the pin.
8. link lock according to claim 1, which is characterized in that the locking bar is flat connecting rod.
CN201821684848.0U 2018-10-17 2018-10-17 A kind of link lock Active CN209482917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821684848.0U CN209482917U (en) 2018-10-17 2018-10-17 A kind of link lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821684848.0U CN209482917U (en) 2018-10-17 2018-10-17 A kind of link lock

Publications (1)

Publication Number Publication Date
CN209482917U true CN209482917U (en) 2019-10-11

Family

ID=68114603

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821684848.0U Active CN209482917U (en) 2018-10-17 2018-10-17 A kind of link lock

Country Status (1)

Country Link
CN (1) CN209482917U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109183A (en) * 2021-11-17 2022-03-01 丽水智恒安防科技有限公司 Safe vault lock structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114109183A (en) * 2021-11-17 2022-03-01 丽水智恒安防科技有限公司 Safe vault lock structure

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