CN216641752U

CN216641752U - Escape door lock

Info

Publication number: CN216641752U
Application number: CN202122859866.6U
Authority: CN
Inventors: 唐太林
Original assignee: Shanghai Safeone Industrial Co ltd
Current assignee: Shanghai Safeone Industrial Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-31
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses an escape door lock, comprising: the lock body is provided with a lock tongue and a transmission block, and the transmission block drives the lock tongue to move; the driving part comprises a first driving part and a rotating shaft which is horizontally arranged, and the first driving part drives the rotating shaft to rotate; the locking component comprises a second driving piece and a limiting piece, and the second driving piece drives the limiting piece to move so that the limiting piece is clamped with the transmission block; wherein, the periphery of pivot is encircleed and is provided with helical track, the connecting portion that the transmission piece was provided with, connecting portion and helical track butt, and when the pivot rotated, connecting portion can slide along helical track to drive transmission piece along horizontal direction reciprocating motion. The bolt retracts rapidly and stably, the bolt can be kept in the retracted position after retracting, the escape passage can be rapidly opened when an emergency occurs, the unlocking time is shortened, and the user is helped to strive for the escape opportunity.

Description

Escape door lock

Technical Field

The utility model relates to the technical field of fire safety equipment, in particular to an escape door lock.

Background

The existing escape door lock is mainly arranged in places with dense people streams, such as superstores, and when the escape door lock is opened from the inside of a door, the door lock is opened by manually pressing a switch, the escape door lock needs to be opened and then pushed for escape in case of emergency, the escape process consumes more time, the escape time is easily delayed, and the escape time is not favored for users.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the utility model provides an escape door lock, which controls the movement of a lock tongue through a first driving piece, enables the lock tongue to be recovered quickly and stably and can quickly open an escape passage.

According to a first aspect of embodiments of the present invention, there is provided an escape door lock including: the lock body is provided with a lock tongue and a transmission block, and the transmission block drives the lock tongue to move; the driving part comprises a first driving part and a rotating shaft which is horizontally arranged, and the first driving part drives the rotating shaft to rotate; the locking component comprises a second driving piece and a limiting piece, and the second driving piece drives the limiting piece to move so that the limiting piece is clamped with the transmission block; wherein, the periphery of pivot is encircleed and is provided with helical track, the connecting portion that the transmission piece was provided with, connecting portion with helical track butt, when the pivot rotated, connecting portion can along helical track slides, with the drive the transmission piece is along horizontal direction reciprocating motion.

The escape door lock provided by the embodiment of the utility model at least has the following beneficial effects: first driving piece drive pivot is rotatory, and the periphery of pivot encircles the connecting portion butt on the helical orbit that sets up and the transmission piece, and the pivot is rotatory to drive the transmission piece along the horizontal direction motion, and after the transmission piece moved to the position of returning, the motion of second driving piece drive locating part to make locating part and transmission piece joint, with the transmission piece locking on the position of returning back, thereby drive spring bolt withdrawal lock body. The spring bolt is retracted and is driven by the first driving piece, the spring bolt is retracted rapidly and stably, the unlocking time can be reduced when an emergency occurs, the escape passage is rapidly opened, and the user is helped to strive for the escape time.

According to some embodiments of the utility model, the transmission block is provided with a roller rotatably arranged at the connection portion, the roller abutting against the helical track.

According to some embodiments of the present invention, the position-limiting member is hinged to the lock body, and the second driving member drives one end of the position-limiting member to rotate around a hinge point, so as to drive the other end of the position-limiting member to be locked to or separated from the transmission block.

According to some embodiments of the present invention, the second driving member includes an electromagnetic component and a spring, the spring is disposed between the electromagnetic component and the limiting member, the electromagnetic component is configured to drive the limiting member to be clamped with the transmission block, and the spring is configured to drive the limiting member to be separated from the transmission block.

According to some embodiments of the present invention, the driving member further comprises a positioning shaft movably disposed on the lock body, and the positioning shaft is concentrically connected with the rotating shaft.

According to some embodiments of the utility model, the lock body is provided with a connecting rod, the connecting rod is hinged with the transmission block, and the transmission block drives the bolt to move through the connecting rod.

According to some embodiments of the present invention, the lock body is provided with a push handle, a push rod and a connecting plate, the push rod is slidably disposed on the lock body, the connecting plate is rotatably disposed on the lock body, the push handle drives the connecting plate to rotate, the connecting plate drives the push rod to move, the push rod drives the lock tongue to move, and the push rod is connected with the connecting rod.

According to some embodiments of the utility model, the connecting plate is provided with a torsion spring for driving the connecting plate to return.

According to some embodiments of the utility model, the escape door lock further comprises a first switch, the first switch is abutted against the rotating shaft, and the first switch is used for controlling the rotating angle of the rotating shaft.

According to some embodiments of the utility model, the escape door lock further comprises a second switch, and the second switch is abutted with the transmission block.

The foregoing general description and the following detailed description of the utility model are exemplary and explanatory only and are not restrictive of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an escape door lock according to an embodiment of the present invention;

fig. 2 is an exploded view of an escape door lock according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view taken at A-A shown in FIG. 1;

fig. 4 is an enlarged view of fig. 3 at B.

The table numbers of the drawings are as follows:

the lock comprises a lock body 100, a bolt 110, a transmission block 120, a connecting part 121, a roller 122, a connecting rod 130, a push handle 140, a push rod 150, a connecting plate 160 and a torsion spring 170;

a driving part 200, a first driving member 210, a rotating shaft 220, a spiral track 221 and a positioning shaft 230;

a locking member 300, a second driving member 310, an electromagnetic member 311, a spring 312, and a stopper 320;

a first switch 410, a second switch 420.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

It can be understood that, referring to fig. 1 and 2, the escape door lock of the present invention comprises: the lock body 100 is provided with a bolt 110 and a driving block 120, and the driving block 120 drives the bolt 110 to move; the driving part 200 comprises a first driving part 210 and a rotating shaft 220 horizontally arranged, and the first driving part 210 drives the rotating shaft 220 to rotate; the locking component 300 comprises a second driving component 310 and a limiting component 320, wherein the second driving component 310 drives the limiting component 320 to move, so that the limiting component 320 is clamped with the transmission block 120; wherein, the periphery of pivot 220 is encircleed and is provided with helical track 221, and connecting portion 121 that transmission piece 120 was provided with, connecting portion 121 and helical track 221 butt, and when pivot 220 rotated, connecting portion 121 can slide along helical track 221 to drive transmission piece 120 along horizontal direction reciprocating motion.

The first driving member 210 drives the rotating shaft 220 to rotate, the spiral track 221 arranged on the rotating shaft 220 abuts against the connecting portion 121 arranged on the transmission block 120, when the rotating shaft 220 rotates, the connecting portion 121 can slide along the spiral track 221 to drive the transmission block 120 to retract, the transmission block 120 drives the lock tongue 110 to retract into the lock body 100, and the escape door lock is opened, and when the lock tongue 110 is completely retracted, the second driving member 310 drives the limiting member 320 to move, so that the limiting member 320 is clamped with the transmission block 120, the transmission block 120 is locked at the retraction position, and the lock tongue 110 is locked, so that the escape door lock keeps the open state. The bolt 110 retracts and is driven by the first driving element 210, the bolt 110 retracts quickly and stably, the bolt 110 can be kept at the retraction position after retracting, unlocking failure caused by resetting of the bolt 110 is avoided, an escape passage can be opened quickly when an emergency occurs, unlocking time is reduced, and users are helped to strive for escape time.

It will be appreciated that, with reference to fig. 2, the driving block 120 is provided with rollers 122, the rollers 122 are rotatably provided at the connecting portion 121, and the rollers 122 abut against the spiral track 221. The roller 122 is connected with the rotation of connecting portion 121, and the roller 122 can be rotatory on connecting portion 121, and when pivot 220 was rotatory, the spiral track 221 butt of roller 122 and pivot 220, the roller 122 had reduced the frictional resistance when pivot 220 was rotatory, had improved the motion smoothness of drive block 120, the noise that produces when having reduced the motion of pivot 220 drive block 120, had improved the life of pivot 220 and drive block 120.

Specifically, referring to fig. 1 and 2, the limiting member 320 is hinged to the lock body 100, and the second driving member 310 drives one end of the limiting member 320 to rotate around the hinge point, so as to drive the other end of the limiting member 320 to be clamped to or separated from the driving block 120. When the locking bolt 110 extends, the second driving element 310 drives the stopper 320 to rotate around the hinge point, so that the stopper 320 is separated from the driving block 120, and the first driving element 210 and the rotating shaft 220 are matched to drive the driving block 120 to move in the horizontal direction, thereby unlocking the locking bolt 110. When the lock bolt 110 retracts, the second driving element 310 drives the stopper 320 to be clamped with the driving block 120, so that the driving block 120 can be locked at the retraction position, the lock bolt 110 is locked, and the lock bolt 110 is prevented from extending to cause unlocking failure.

Specifically, referring to fig. 1 and 4, the second driving element 310 includes an electromagnetic component 311 and a spring 312, the spring 312 is disposed between the electromagnetic component 311 and the stopper 320, the electromagnetic component 311 is used for driving the stopper 320 to be engaged with the driving block 120, and the spring 312 is used for driving the stopper 320 to be separated from the driving block 120. When the electromagnetic component 311 is turned off, the spring 312 drives the stopper 320 to rotate around the hinge point, so that the stopper 320 is separated from the driving block 120, thereby unlocking the position of the driving block 120 and further unlocking the position of the lock tongue 110. When the electromagnetic component 311 is turned on, the electromagnetic component 311 adsorbs the stopper 320 to drive the stopper 320 to rotate around the hinge point, so that the stopper 320 is clamped with the transmission block 120, and the position of the transmission block 120 is locked, and further the position of the lock tongue 110 is locked, thereby avoiding the reset of the lock tongue 110, enabling the lock tongue 110 to be stabilized at the retraction position, and reducing the shaking of the lock tongue 110.

It is understood that, referring to fig. 2, the driving member 200 further includes a positioning shaft 230, the positioning shaft 230 is movably disposed on the lock body 100, and the positioning shaft 230 is coaxially connected to the rotation shaft 220. The positioning shaft 230 can rotate on the lock body 100, and the positioning shaft 230 is coaxially connected with the rotation shaft 220, so that the rotation shaft 220 can rotate coaxially with the positioning shaft 230. It should be noted that, when the driving block 120 is driven by the spiral track 221 on the rotating shaft 220 to move, an eccentric action is generated, and the eccentric action generated by the spiral track 221 is directly transmitted to the output shaft of the first driving member 210, so that the output shaft of the first driving member 210 bears an additional load, and the service life of the first driving member 210 is reduced. The eccentric action generated when the rotating shaft 220 rotates is balanced by arranging the positioning shaft 230, the eccentric action generated by the rotating shaft 220 is prevented from being directly transmitted to the output shaft of the first driving part 210, and the service life of the first driving part 210 is prolonged.

It can be understood that, referring to fig. 3 and 4, the lock body 100 is provided with a connecting rod 130, the connecting rod 130 is hinged with the driving block 120, and the driving block 120 drives the latch bolt 110 to move through the connecting rod 130. When the bolt 110 retracts, the first driving member 210 drives the rotating shaft 220 to rotate, the rotating shaft 220 drives the driving block 120 to retract, and the driving block 120 drives the connecting rod 130 to retract, so that the bolt 110 is driven to retract to unlock the escape door lock. When the bolt 110 extends, the first driving member 210 drives the rotating shaft 220 to rotate, the rotating shaft 220 abuts against the driving block 120, when the rotating shaft 220 rotates to the extending position, the driving block 120 extends, the driving block 120 drives the connecting rod 130 to extend, so that the bolt 110 is driven to extend, and the escape door lock is closed.

Specifically, referring to fig. 3 and 4, the lock body 100 is provided with a push handle 140, a push rod 150 and a connecting plate 160, the push rod 150 is slidably disposed on the lock body 100, the connecting plate 160 is rotatably disposed on the lock body 100, the push handle 140 drives the connecting plate 160 to rotate, the connecting plate 160 drives the push rod 150 to move, the push rod 150 drives the latch tongue 110 to move, and the push rod 150 is connected with the connecting rod 130. When the escape door lock is powered off, the limiting member 320 is separated from the driving block 120, and the locking tongue 110 can be driven by pressing the push handle 140. The pushing handle 140 is pressed, the pushing handle 140 drives the connecting plate 160 to rotate, the connecting plate 160 drives the pushing rod 150 to slide along the horizontal direction, so that the bolt 110 is driven to retract, mechanical unlocking is realized, the problem that the escape door lock fails to be unlocked due to failure of an electric device is avoided, and the escape time is delayed.

Specifically, referring to fig. 2 to 4, the connection plate 160 is provided with a torsion spring 170, and the torsion spring 170 is used to drive the connection plate 160 to return. When the pushing handle 140 is not pressed, the torsion spring 170 disposed at the connecting plate 160 drives the connecting plate 160 to reset, so as to drive the pushing handle 140 to extend, so that the escape door lock keeps a normally closed state, and the safety of the escape door lock is improved. When the pushing handle 140 is pressed, the pushing handle 140 drives the connecting plate 160 to rotate, so that the connecting rod 130 drives the transmission block 120 to retract, and at this time, the connecting portion 121 moves in a direction away from the spiral track 221, so that the connecting portion 121 is separated from the spiral track 221, and manual unlocking is performed. When the pushing handle 140 is reset, the torsion spring 170 drives the connecting plate 160 to reset, so that the connecting rod 130 drives the transmission block 120 to extend out, at this time, the connecting part 121 moves towards the direction of the spiral track 221, so that the connecting part 121 is abutted against the spiral track 221, at this time, the escape door is in a locked state, the escape door lock can drive the transmission block 120 to move through the driving part 200, the transmission block 120 drives the bolt 110 to retract into the lock body 100, so as to realize automatic unlocking, or the pushing handle 140 is manually pressed to drive the connecting plate 160 to rotate, the connecting plate 160 drives the pushing rod 150 to move, and the pushing rod 150 drives the bolt 110 to retract into the lock body 100, so as to realize manual unlocking.

It can be understood that, referring to fig. 2 and 4, the escape door lock further includes a first switch 410, the first switch 410 is abutted against the rotating shaft 220, and the first switch 410 is used for controlling the rotating angle of the rotating shaft 220. The first switch 410 is abutted against the rotating shaft 220, the first switch 410 is communicated with the first driving piece 210, when the rotating shaft 220 rotates to the retraction position, the first switch 410 is triggered, and the first switch 410 controls the first driving piece 210 to stop so as to stop the rotating shaft 220, further control the stroke of the transmission block 120 and improve the movement accuracy of the transmission block 120.

It can be understood that, referring to fig. 1 and 2, the escape door lock further includes a second switch 420, and the second switch 420 abuts against the driving block 120. The second switch 420 is abutted against the driving block 120, when the bolt 110 retracts, the driving block 120 moves to the retraction position to trigger the second switch 420, and the second switch 420 receives a signal that the retraction of the bolt 110 is completed, so that the opening condition of the escape door lock is detected, and the safety of the escape door lock is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. Escape door lock, its characterized in that includes:

the lock body is provided with a lock tongue and a transmission block, and the transmission block drives the lock tongue to move;

the driving part comprises a first driving part and a rotating shaft which is horizontally arranged, and the first driving part drives the rotating shaft to rotate;

the locking component comprises a second driving piece and a limiting piece, and the second driving piece drives the limiting piece to move so that the limiting piece is clamped with the transmission block;

wherein, the periphery of pivot is encircleed and is provided with the helical orbit, the connecting portion that the transmission piece was provided with, connecting portion with the helical orbit butt, when the pivot rotated, connecting portion can along the helical orbit slides, in order to drive transmission piece is along horizontal direction reciprocating motion.

2. The escape door lock of claim 1 wherein said driving block is provided with a roller rotatably disposed at said connecting portion, said roller abutting against said spiral track.

3. The escape door lock according to claim 2, wherein the limiting member is hinged to the lock body, and the second driving member drives one end of the limiting member to rotate around the hinge point, so as to drive the other end of the limiting member to be connected with or separated from the transmission block.

4. The escape door lock according to claim 3, wherein the second driving member comprises an electromagnetic component and a spring, the spring is disposed between the electromagnetic component and the limiting member, the electromagnetic component is used for driving the limiting member to be connected with the transmission block in a clamping manner, and the spring is used for driving the limiting member to be separated from the transmission block.

5. The escape door lock of claim 1, wherein the driving member further comprises a positioning shaft movably disposed on the lock body, and the positioning shaft is coaxially connected to the rotating shaft.

6. The escape door lock of claim 1, wherein the lock body is provided with a connecting rod, the connecting rod is hinged to the transmission block, and the transmission block drives the bolt to move through the connecting rod.

7. The escape door lock of claim 6, wherein the lock body is provided with a push handle, a push rod and a connecting plate, the push rod is slidably disposed on the lock body, the connecting plate is rotatably disposed on the lock body, the push handle drives the connecting plate to rotate, the connecting plate drives the push rod to move, the push rod drives the lock tongue to move, and the push rod is connected with the connecting rod.

8. The escape door lock of claim 7, wherein the connecting plate is provided with a torsion spring for driving the connecting plate to return.

9. The escape door lock of claim 1, further comprising a first switch, wherein the first switch is abutted against the rotating shaft, and the first switch is used for controlling the rotating angle of the rotating shaft.

10. The escape door lock of claim 1 further including a second switch, said second switch abutting said drive block.