CN211818684U

CN211818684U - Full-automatic lock body triggering and back-locking device

Info

Publication number: CN211818684U
Application number: CN201921132359.9U
Authority: CN
Inventors: 邓江林
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-10-30
Anticipated expiration: 2029-07-18

Abstract

The utility model relates to a full-automatic lock body triggers anti-locking device, this full-automatic lock body triggers anti-locking device can trigger anti-locking device when closing the door, and automatic anti-lock of lock body need not adjust the lock body when also not needing the installation according to the oblique tongue direction of customization about the direction of opening the door, simple structure, simple to operate, and is with low costs. The utility model relates to a full-automatic lock body triggering and locking device, which comprises a triggering tongue component, a connecting rod and a latch bolt component; the trigger tongue assembly comprises a trigger tongue, the trigger tongue is provided with a trigger tongue output end which is connected with a connecting rod, the trigger tongue output end forms a limiting structure for the connecting rod, the connecting rod is provided with a first U-shaped groove which is matched and assembled with the lock body shell, the connecting rod rotates around a first supporting point on the lock body shell, the connecting rod is provided with a connecting rod output end, and the connecting rod output end can abut against the oblique tongue assembly.

Description

Full-automatic lock body triggering and back-locking device

Technical Field

The utility model belongs to the lock field relates to a trigger anti-lock structure that uses on full-automatic lock body, in particular to full-automatic lock body triggers anti-lock device.

Background

The door lock in the market at present is various in types, most of the oblique tongues on the full-automatic lock body are of a one-way structure, and the door is opened from left to right, and the directions of the oblique tongues need to be customized or adjusted accordingly, so that certain inconvenience is brought to production and installation of the lock body.

On the other hand, the existing mortise lock is basically a semi-automatic lock body, namely, a clutch is arranged in a front lock surface and a rear lock surface, semi-mechanical operation of unlocking and locking a door is carried out by rotating a handle, and no dead bolt triggers a dead bolt synchronous automatic ejection mechanism. In the existing mortise lock, the dead bolt is extended to lock the door by lifting the handle or rotating the key, but the door locking process of the mechanism is complicated, and the door is easy to forget to lock.

In order to solve the problems, some full-automatic lock bodies are on the market, but the technical principle of the lock bodies adopts the power-on and power-off of the electromagnet to realize the opening and closing of the lock bodies, the electromagnet can generate electromagnetic waves when encountering the interference of a strong magnetic field, the electromagnet interferes the lock bodies to automatically open the doors, and the product has huge potential safety hazards. Therefore, the full-automatic door lock body with the advantages of electromagnetic wave interference resistance, simple structure and convenient use becomes a research and development target in the industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model relates to a full-automatic lock body triggers anti-locking device, this full-automatic lock body triggers anti-locking device can trigger anti-locking device when closing the door, and automatic anti-locking of lock body need not adjust the lock body when also not needing the installation according to the oblique tongue direction of customization about the direction of opening the door, simple structure, simple to operate, and is with low costs moreover.

The utility model relates to a full-automatic lock body triggering and locking device, which comprises a triggering tongue component, a connecting rod and a latch bolt component; the trigger tongue assembly comprises a trigger tongue, the trigger tongue is provided with a trigger tongue output end which is connected with a connecting rod, the trigger tongue output end forms a limiting structure for the connecting rod, the connecting rod is provided with a first U-shaped groove which is matched and assembled with the lock body shell, the connecting rod rotates around a first supporting point on the lock body shell, the connecting rod is provided with a connecting rod output end, and the connecting rod output end can abut against the oblique tongue assembly.

When the latch bolt extends out of the lock body shell and the trigger bolt retracts into the lock body shell, the output end of the trigger bolt releases the limit structure of the connecting rod, the output end of the connecting rod abuts against the latch bolt assembly, and the latch bolt assembly cannot freely enter and exit the lock body shell; when the trigger tongue is used for knocking out the lock body shell, the output end of the trigger tongue cannot release the limiting structure of the connecting rod, the connecting rod cannot rotate, the output end of the connecting rod is not abutted against the oblique tongue component, and the oblique tongue can freely enter and exit the lock body shell;

furthermore, the trigger tongue assembly is provided with an elastic component, one end of the elastic component is fixed on the lock body shell, the other end of the elastic component is connected with the trigger tongue, and when the trigger tongue is not compressed by external force, the trigger tongue keeps a state of extending out of the lock body shell under the action of the elastic component. When the trigger tongue is pressed and retracted into the lock body shell, the elastic component is compressed, so that the trigger tongue keeps the movement trend of extending out of the lock body shell, and once the external force received by the trigger tongue is relieved, the trigger tongue extends out of the lock body shell.

Specifically, the elastic component is a pressure spring, one end of the pressure spring extends into the trigger tongue, and the other end of the pressure spring abuts against the lock body shell to keep static.

Furthermore, the oblique tongue component comprises a first oblique tongue, a second oblique tongue, an oblique tongue fixing block and a clutch block; the first oblique tongue and the second oblique tongue are fixed on the oblique tongue fixing block in a crossed manner, and the clutch block drives the oblique tongue fixing block; the latch bolt fixing block comprises a clutch pin, and the first latch bolt and the second latch bolt can rotate relative to the clutch pin; the latch bolt assembly comprises a clutch block limited on the lock body shell, the clutch block is in clutch with the clutch pin, the clutch block is provided with an upper limit flange, the upper limit flange is abutted against the first latch bolt, the clutch block is provided with a lower limit flange, the lower limit flange can be abutted against the second latch bolt, the latch bolt assembly comprises a first elastic part sleeved on the clutch pin and a second elastic part arranged on the lock body shell, one end of the first elastic part is abutted against the clutch block, the other end of the first elastic part is abutted against the clutch pin, the first elastic part is pressed between the clutch pin and the clutch block, and when the clutch block releases the limit on the lock body shell, the first elastic part pushes the clutch pin to separate the clutch pin from the clutch block; and when the clutch block moves rightwards, the moving end moves rightwards along with the clutch block, and the second elastic component generates deformation elastic force to push the clutch block to move leftwards to abut against the first latch bolt and the second latch bolt.

Specifically, when the trigger tongue retracts into the lock body shell, the limit structure of the connecting rod is released by the output end of the trigger tongue, the output end of the connecting rod is located between the oblique tongue fixing block and the clutch limit end on the clutch block, the clutch limit end on the clutch block limits the output end of the connecting rod, when the clutch limit end on the clutch block releases the limit of the output end of the connecting rod, when the door is opened, the trigger tongue extends out of the lock body shell, the oblique tongue assembly is retracted into the lock body shell under stress, the oblique tongue fixing block pushes the output end of the connecting rod, the connecting rod is rotated and reset, and the unlocking process of.

The lock body shell comprises a groove structure for providing a guiding effect, the clutch block is provided with a protruding end matched with the groove structure, and the clutch block moves left and right all the time due to the matching of the groove structure and the protruding end.

Specifically, the clutch block is provided with: the upper limiting flange and the lower limiting flange are arranged on the upper end face of the clutch hole; the clutch pin and the first elastic component are arranged in the clutch hole, and the clutch pin can move left and right in the clutch hole;

the first inclined tongue and the second inclined tongue can rotate around the rotating shaft;

specifically, the first latch tongue is provided with: the first straight flange can be switched between a vertical locking functional side and a stressed inclined plane for unlocking when rotating positively and negatively to different end positions along with the first inclined tongue; the clutch device comprises a first control flange connected with a clutch block, wherein the first control flange is abutted against an upper limiting flange of the clutch block;

specifically, the second latch tongue is provided with: the second straight flange can be switched between a vertical locking functional side and a stressed inclined plane for unlocking when rotating positively and negatively to different end positions along with the second inclined tongue; the clutch device comprises a second control flange connected with the clutch block, and the second control flange is abutted against a lower limiting flange of the clutch block.

By adopting the structure, under the thrust of the first elastic component in the original state, the clutch block does not abut against the first oblique tongue and the second oblique tongue, the first oblique tongue and the second oblique tongue extend out of the lock body shell, and the first oblique tongue and the second oblique tongue are arranged in a crossed manner, so that the oblique tongue component is not divided into left and right parts;

when the first oblique tongue is subjected to vertical thrust of closing the door, the first oblique tongue rotates around the rotating shaft, a first straight flange of the first oblique tongue becomes a stressed inclined plane, meanwhile, a second straight flange of the second oblique tongue is a vertical locking functional edge, when the clutch block is positioned at the leftmost end under the thrust, the clutch pin is inserted into the clutch block, the first oblique tongue does not abut against an upper limiting flange, and the second oblique tongue abuts against a lower limiting flange; the oblique tongue component realizes the function of opening the door at left, the thrust that the clutch piece received when opening the door is relieved, because the effect of first elastomeric element, the clutch pin no longer inserts the clutch piece, and the first straight flange of first oblique tongue becomes perpendicular locking function limit this moment, and the second straight flange of second oblique tongue becomes the perpendicular pressure alright with indentation lock body shell that the atress inclined plane received the door frame, opens the door.

Similarly, when the second oblique tongue is subjected to the vertical thrust of closing the door, the second oblique tongue rotates around the rotating shaft, a second straight retaining edge of the second oblique tongue becomes a stressed inclined surface, meanwhile, a first straight retaining edge of the first oblique tongue becomes a vertical locking functional edge, when the clutch block is positioned at the leftmost end under the thrust, the clutch pin is inserted into the clutch block, the second oblique tongue does not abut against the lower limiting retaining edge, and the first oblique tongue abuts against the upper limiting retaining edge; the oblique tongue component realizes the function of opening the door at the right side, the pushing force received by the clutch block is removed when the door is opened, the clutch pin is not inserted into the clutch block under the action of the first elastic component, the second straight retaining edge of the second oblique tongue becomes the vertical locking functional edge at the moment, and the first straight retaining edge of the first oblique tongue becomes the vertical pressure of the stress inclined plane, so that the first straight retaining edge can retract into the lock body shell and open the door.

Furthermore, an inner convex point is arranged on the clutch block, the inner convex point is abutted against a first straight flange on the clutch pin, when the clutch pin moves leftwards, the displacement distance is limited by the inner convex point, and when the clutch pin moves leftwards until the inner convex point is abutted against the first straight flange, the clutch pin stops moving.

By adopting the structure, the first latch bolt and the second latch bolt are mutually switched in the left and right opening directions, and different parts do not need to be configured for the lock body according to the left and right opening directions, so that the cost is saved, and the technical progress is realized.

By adopting the structure, when the door is locked, the trigger tongue drives the connecting rod to rotate, when the connecting rod rotates, the limit is realized on the latch bolt component, no matter what external thrust force is applied to the latch bolt component from the outside of the lock core, the latch bolt component can not retract into the lock body shell, only when the clutch block of the internal part is positioned at the rightmost end by external pulling force,

drawings

FIG. 1 is an assembled perspective view of the present invention;

FIG. 2 is a schematic view of the position of the connecting rod when the trigger bolt is retracted into the lock body housing;

FIG. 3 is an exploded view of the latch bolt assembly;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1, fig. 2 and fig. 3, a full-automatic lock body triggering and locking device comprises a triggering tongue assembly 1, a connecting rod 2 and a latch tongue assembly 3; the trigger tongue assembly 1 comprises a trigger tongue 11, a trigger tongue output end on the trigger tongue 11 is connected with a connecting rod 2, the connecting rod 2 is driven to rotate when the trigger tongue 11 enters and exits the lock body shell, a first U-shaped groove 21 is formed in the connecting rod 2 and is matched with the lock body shell, the connecting rod 2 rotates around a first supporting point on the lock body shell, a connecting rod output end 22 is formed in the connecting rod 2, and the connecting rod output end 22 can be abutted to the oblique tongue assembly 3.

When the latch bolt extends out of the lock body shell and the trigger bolt 11 retracts into the lock body shell, the connecting rod 2 is driven to rotate around the first fulcrum, the connecting rod output end 22 abuts against the latch bolt component 3, and the latch bolt component 3 cannot freely enter and exit the lock body shell; when the trigger tongue 11 is triggered out of the lock body shell, the connecting rod 2 cannot be driven to rotate around the first fulcrum, at the moment, the connecting rod output end 22 is not abutted against the oblique tongue component 3, and the oblique tongue can freely enter and exit the lock body shell;

preferably, the trigger tongue assembly 1 is provided with an elastic member 12, one end of the elastic member 12 is fixed to the lock body case, and the other end is connected to the trigger tongue 11, and the trigger tongue 11 is maintained in a state of being protruded out of the lock body case by the elastic member 12 when not compressed by an external force. When the trigger tongue 11 is compressed and retracted into the lock body shell, the elastic part 12 is compressed, so that the trigger tongue 11 keeps the movement trend of extending out of the lock body shell, and once the external force received by the trigger tongue 11 is relieved, the trigger tongue 11 extends out of the lock body shell immediately.

Preferably, the latch bolt assembly 3 comprises a first latch bolt 31, a second latch bolt 32, a latch bolt fixing block 33 and a clutch block 34; the first latch bolt 31 and the second latch bolt 32 are fixed on the latch bolt fixing block 33 in a crossed manner, and the clutch block 34 drives the latch bolt fixing block 33; the latch fixing block 33 includes a clutch pin 331, and the first latch 31 and the second latch 32 can rotate relative to the clutch pin 331; the latch bolt component 3 comprises a clutch block 34 limited on the lock body shell, the clutch block 34 is in clutch with a clutch pin 331, an upper limit retaining edge 341 is arranged on the clutch block 34, the upper limit retaining edge 341 is abutted against the first latch bolt 31, a lower limit retaining edge 342 is arranged on the clutch block 34, the lower limit retaining edge 342 can be abutted against the second latch bolt 32, the latch bolt component comprises a first elastic part 35 sleeved on the clutch pin 331 and a second elastic part installed on the lock body shell, one end of the first elastic part 35 is abutted against the clutch block 34, the other end is abutted against the clutch pin 331, the first elastic part 35 is pressed between the clutch pin 331 and the clutch block 34, and when the clutch block 34 releases the limit on the lock body shell, the first elastic part 35 pushes the clutch pin 331 to separate the clutch pin 331 from the clutch block 34; the second elastic component comprises a first fixed fulcrum fixed on the lock body shell, a first fixed end fixed on the lock body shell and a movable end connected with the clutch block 34 and inserted into the clutch block 34, when the clutch block 34 moves rightwards, the movable end moves rightwards along with the clutch block 34, and the second elastic component generates deformation elastic force to push the clutch block 34 to move leftwards to abut against the first latch bolt 31 and the second latch bolt 32.

Preferably, the connecting rod 2 abuts against the clutch block 34, and the clutch block 34 is provided with a clutch limit end abutting against the connecting rod 2.

Preferably, clutch block 34 has thereon: a clutch hole, an upper limit rib 341, a lower limit rib 342; the clutch pin 331 and the first elastic member 35 are installed in the clutch hole, and the clutch pin 331 can move left and right in the clutch hole;

the inclined tongue fixing block 33 is provided with a rotating shaft, the first inclined tongue 31 and the second inclined tongue 32 are respectively positioned at two ends of the rotating shaft, and the first inclined tongue 31 and the second inclined tongue 32 can rotate around the rotating shaft;

as shown in fig. 3, the first latch tongue 31 has: the first straight retaining edge 311 can be switched between a vertical locking functional edge and a stressed inclined plane for unlocking when the first straight retaining edge 311 rotates forwards and backwards along with the first latch bolt 31 to different end positions; comprises a first control rib 312 connected with the clutch block 34, wherein the first control rib 312 is abutted with an upper limiting rib 341 of the clutch block 34;

as shown in fig. 3. The second latch tongue 32 has: the second straight flange 321 can be switched between a vertical locking functional edge and a stressed inclined plane for unlocking when the second straight flange 321 rotates forwards and backwards along with the second latch bolt 32 to different end positions; and includes a second control rib 322 coupled to clutch block 34, second control rib 322 abutting a lower limit rib 342 of clutch block 34.

By adopting the structure, under the original state, under the thrust of the first elastic component 35, the clutch block 34 is not propped against the first latch bolt 31 and the second latch bolt 32, the first latch bolt 31 and the second latch bolt 32 extend out of the lock body shell, and the first latch bolt 31 and the second latch bolt 32 are arranged in a crossed manner, so that the latch bolt component 3 is not divided into left and right parts;

as shown in fig. 3, when the first latch bolt 31 is subjected to a vertical pushing force for closing the door, the first latch bolt 31 rotates around the rotating shaft, the first straight rib 311 of the first latch bolt 31 becomes a force-receiving inclined surface, and at the same time, the second straight rib 321 of the second latch bolt 32 is a vertical locking functional rib, when the clutch block 34 is subjected to the pushing force and the clutch block 34 is positioned at the leftmost end, and the clutch pin 331 is inserted into the clutch block 34, the first latch bolt 31 does not abut against the upper limit rib 341, and the second latch bolt 32 abuts against the lower limit rib 342; the latch bolt component 3 realizes the function of opening the door at left, when the pushing force on the clutch block 34 is released, the clutch pin 331 is not inserted into the clutch block 34 due to the action of the first elastic component 35, at this moment, the first straight retaining edge 311 of the first latch bolt 31 becomes the vertical locking functional edge, the second straight retaining edge 321 of the second latch bolt 32 becomes the stressed inclined plane, and the latch bolt can retract into the lock body shell under the vertical pressure of the door frame, and the door is opened.

Similarly, when the second latch bolt 32 is subjected to a vertical pushing force for closing the door, the second latch bolt 32 rotates around the rotating shaft, the second straight flange 321 of the second latch bolt 32 becomes a stressed inclined surface, meanwhile, the first straight flange 311 of the first latch bolt 31 becomes a vertical locking functional flange, when the clutch block 34 is subjected to the pushing force, the clutch block 34 is positioned at the leftmost end, the clutch pin 331 is inserted into the clutch block 34, the second latch bolt 32 does not abut against the lower limiting flange 342, and the first latch bolt 31 abuts against the upper limiting flange 341; the latch bolt component 3 realizes the function of opening the door at the right side, when the pushing force on the clutch block 34 is released when the door is opened, the clutch pin 331 is not inserted into the clutch block 34 due to the action of the first elastic component 35, at this time, the second straight retaining edge 321 of the second latch bolt 32 becomes the vertical locking functional edge, the first straight retaining edge 311 of the first latch bolt 31 becomes the stressed inclined plane, and the lock body shell can be retracted by the vertical pressure of the door frame, and the door is opened.

By adopting the structure, the functions of the first latch bolt 31 and the second latch bolt 32 are mutually converted in the left and right opening directions, and different parts do not need to be configured for the lock body according to the left and right opening directions, so that the cost is saved, and the technical progress is realized.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. A full-automatic lock body triggering and back locking device is characterized by comprising a triggering tongue component, a connecting rod and an inclined tongue component; the trigger tongue assembly comprises a trigger tongue, the trigger tongue is provided with a trigger tongue output end which is connected with a connecting rod, the trigger tongue output end forms a limiting structure for the connecting rod, the connecting rod is provided with a first U-shaped groove which is matched and assembled with the lock body shell, the connecting rod rotates around a first supporting point on the lock body shell, the connecting rod is provided with a connecting rod output end, and the connecting rod output end can abut against the oblique tongue assembly.

2. The full automatic lock triggering and locking device of claim 1, wherein the triggering tongue assembly has a resilient member, one end of the resilient member is fixed to the lock housing, and the other end is connected to the triggering tongue, and the triggering tongue is kept in a state of being extended out of the lock housing by the resilient member when the triggering tongue is not compressed by an external force; when the trigger tongue is pressed and retracted into the lock body shell, the elastic component is compressed, so that the trigger tongue keeps the movement trend of extending out of the lock body shell, and once the external force received by the trigger tongue is relieved, the trigger tongue extends out of the lock body shell.

3. The full automatic lock triggering and locking device as claimed in claim 2, wherein the elastic member is a compression spring, one end of the compression spring extends into the triggering tongue, and the other end of the compression spring is kept still against the lock housing.

4. The full-automatic lock triggering and locking device of claim 1, wherein the latch bolt assembly comprises a first latch bolt, a second latch bolt, a latch bolt fixing block and a clutch block; the first latch bolt and the second latch bolt are fixed on the latch bolt fixing block in a crossed manner, and the clutch block drives the latch bolt fixing block.

5. The full-automatic lock triggering and locking device of claim 4, wherein the latch bolt fixing block comprises a clutch pin, and the first latch bolt and the second latch bolt can rotate relative to the clutch pin; the latch bolt component comprises a clutch block limited on the lock body shell, the clutch block is in clutch with the clutch pin, an upper limit flange is arranged on the clutch block and abuts against the first latch bolt, a lower limit flange is arranged on the clutch block and can abut against the second latch bolt.

6. The full-automatic lock body triggering and locking device of claim 5, characterized in that the latch bolt assembly comprises a first elastic component sleeved on the clutch pin and a second elastic component arranged on the lock body shell, one end of the first elastic component abuts against the clutch block and the other end abuts against the clutch pin, the first elastic component is pressed between the clutch pin and the clutch block, when the clutch block releases the limit on the lock body shell, the first elastic component pushes the clutch pin to separate the clutch pin from the clutch block; and when the clutch block moves rightwards, the moving end moves rightwards along with the clutch block, and the second elastic component generates deformation elastic force to push the clutch block to move leftwards to abut against the first latch bolt and the second latch bolt.

7. The triggering locking device of a full-automatic lock body according to claim 2, characterized in that the connecting rod abuts against a clutch block, and the clutch block is provided with a clutch limit end abutting against the connecting rod.

8. The full automatic lock triggering and locking device as claimed in claim 5, wherein the latch bolt fixing block has a rotation shaft, the first latch bolt and the second latch bolt are respectively located at both ends of the rotation shaft, and the first latch bolt and the second latch bolt are rotatable around the rotation shaft.

9. The full-automatic lock triggering and locking device of claim 8, wherein the first latch bolt comprises: the first straight flange can be switched between a vertical locking functional side and a stressed inclined plane for unlocking when rotating positively and negatively to different end positions along with the first inclined tongue; the clutch device comprises a first control flange connected with a clutch block, wherein the first control flange is abutted against an upper limiting flange of the clutch block; the second latch bolt is provided with: the second straight flange can be switched between a vertical locking functional side and a stressed inclined plane for unlocking when rotating positively and negatively to different end positions along with the second inclined tongue; the clutch device comprises a second control flange connected with the clutch block, and the second control flange is abutted against a lower limiting flange of the clutch block.