CN216641751U

CN216641751U - Escape door lock

Info

Publication number: CN216641751U
Application number: CN202122841933.1U
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, a push handle and a first connecting assembly, and the push handle drives the lock tongue to move through the first connecting assembly; the warning mechanism is arranged on the lock body and comprises a first switch and a sound-producing component, the first switch is electrically connected with the sound-producing component, the push handle drives the first connecting component to trigger the first switch, and the first switch is used for controlling the sound production of the sound-producing component; the locking mechanism comprises a controller, a locking assembly and a second connecting assembly, wherein the controller is electrically connected with the locking assembly, the controller is used for controlling the locking assembly to be started or closed, the locking assembly is used for locking the second connecting assembly, and the second connecting assembly is in linkage arrangement with the first connecting assembly. The escape door lock can give out warning sound when being opened, and the warning staff can open the escape door lock, can avoid the escape door lock to open by mistake and cause danger, and the escape door lock is opened in the time delay and can improve the theftproof performance of the escape door lock.

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 escape door lock is mainly applied to places with dense people flow, such as hospitals, markets, old people houses and the like, the existing escape door lock is mainly unlocked through a press switch, but for some old people or patients, the escape door lock is accidentally opened by touching the switch by mistake easily, and safety risks are caused. In addition, the escape door lock is directly unlocked through the switch, the hidden danger of theft is easily caused, the escape passage can be easily opened, and the anti-theft performance of the escape door lock is reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least in part, one of the technical problems in the related art. Therefore, the escape door lock provided by the utility model can send out warning sound for warning while unlocking, so that potential safety hazards caused by direct unlocking of the escape door lock are avoided.

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, a push handle and a first connecting assembly, and the push handle drives the lock tongue to move through the first connecting assembly; the warning mechanism is arranged on the lock body and comprises a first switch and a sound-producing component, the first switch is electrically connected with the sound-producing component, the push handle drives the first connecting component to trigger the first switch, and the first switch is used for controlling the sound-producing component to produce sound; the locking mechanism comprises a controller, a locking assembly and a second connecting assembly, wherein the controller is electrically connected with the locking assembly, the controller is used for controlling the locking assembly to be started or closed, the locking assembly is used for locking the second connecting assembly, and the second connecting assembly is in linkage with the first connecting assembly.

The escape door lock provided by the embodiment of the utility model at least has the following beneficial effects: the push handle is pushed, the first connecting assembly is driven to move, the first connecting assembly triggers the first switch, the first switch controls the sounding component to sound, after a period of time is delayed, the sounding component is closed, and the controller controls the locking assembly to be closed so as to unlock the second connecting assembly. Continue to press and push away the handle, push away the motion of the first coupling assembling of drive, first coupling assembling sets up with the linkage of second coupling assembling for first coupling assembling can drive the motion of second coupling assembling, and then first coupling assembling can drive the spring bolt and withdraw the lock body, opens the lock of fleing. When the escape door lock is opened, a warning sound can be given out to warn workers that the escape door lock is opened, so that danger caused by mistaken opening of the escape door lock can be avoided. In addition, after the sounding component is closed, the escape door lock can be opened, so that the anti-theft performance of the escape door lock is improved.

According to some embodiments of the present invention, the first connecting assembly includes a first connecting rod and a transmission rod, the first connecting rod is hinged to the lock body, the transmission rod is slidably disposed on the lock body, one end of the first connecting rod is movably connected to the push handle, the other end of the first connecting rod is movably connected to the transmission rod, the push handle drives the transmission rod to slide through the first connecting rod, and the transmission rod is configured to drive the lock tongue to rotate.

According to some embodiments of the present invention, the second connecting assembly includes a sliding member, a second connecting rod and a third connecting rod, the sliding member is slidably disposed on the lock body, the second connecting rod is hinged to the lock body, one end of the third connecting rod is hinged to the sliding member, the other end of the third connecting rod is hinged to the second connecting rod, the driving rod drives the second connecting rod to rotate on the lock body, and the sliding member can be locked by the locking assembly.

According to some embodiments of the utility model, the locking assembly comprises an electromagnetic member and a jaw, the electromagnetic member driving the jaw to grip the slider to lock the slider.

According to some embodiments of the utility model, a first spring is provided between the electromagnetic component and the jaw, the first spring urging the jaw away from the slider to unlock the slider.

According to some embodiments of the present invention, the first connecting assembly further includes a driving block, the driving block is slidably disposed on the lock body, the latch is hinged to the lock body, the driving block is hinged to the latch, and the driving rod drives the driving block to slide to drive the latch to rotate.

According to some embodiments of the utility model, the driving block is provided with a second spring, which drives the driving block to return.

According to some embodiments of the utility model, the warning mechanism further comprises a lock cylinder and a second switch, the second switch is electrically connected with the sounding component, the lock cylinder is used for triggering the second switch, and the second switch controls the sounding component to be turned on or off.

According to some embodiments of the utility model, the escape door lock further comprises a card reader, the card reader is electrically connected with the controller, and the card reader controls the locking component to be started or closed through the controller.

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

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 another exploded view of the escape door lock according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view taken at A-A as shown in FIG. 1;

FIG. 5 is an enlarged view at B of FIG. 4;

fig. 6 is an enlarged view at C of fig. 4.

The table numbers of the drawings are as follows:

the lock comprises a lock body 100, a bolt 110, a push handle 120, a first connecting component 130, a first connecting rod 131, a driving rod 132, a driving block 133, a second spring 134 and a torsion spring 135;

a warning mechanism 200, a first switch 210, a sound component 220, a lock cylinder 230, and a second switch 240;

a locking mechanism 300, a locking assembly 310, an electromagnetic component 311, a clamping jaw 312, a first spring 313, a second connecting assembly 320, a sliding piece 321, a second connecting rod 322 and a third connecting rod 323;

a card reader 410.

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 to 4, the escape door lock of the present invention comprises: the lock body 100 is provided with a bolt 110, a push handle 120 and a first connecting assembly 130, wherein the push handle 120 drives the bolt 110 to move through the first connecting assembly 130; the warning mechanism 200 is arranged on the lock body 100, the warning mechanism 200 comprises a first switch 210 and a sound-producing component 220, the first switch 210 is electrically connected with the sound-producing component 220, the push handle 120 drives the first connecting component 130 to trigger the first switch 210, and the first switch 210 is used for controlling sound production of the sound-producing component 220; the locking mechanism 300 comprises a controller, a locking component 310 and a second connecting component 320, wherein the controller is electrically connected with the locking component 310, the controller is used for controlling the locking component 310 to be started or closed, the locking component 310 is used for locking the second connecting component 320, and the second connecting component 320 is arranged in a linkage mode with the first connecting component 130.

The push handle 120 is pressed, the push handle 120 drives the first connecting assembly 130 to move, the first connecting assembly 130 triggers the first switch 210, the first switch 210 controls the sound generating component 220 to generate sound, after a period of time, the sound generating component 220 is turned off, and the controller controls the locking assembly 310 to be turned off so as to unlock the second connecting assembly 320. The push handle 120 is continuously pressed, the push handle 120 drives the first connecting assembly 130 to move, and the first connecting assembly 130 and the second connecting assembly 320 are arranged in a linkage manner, so that the first connecting assembly 130 can drive the second connecting assembly 320 to move, and further the first connecting assembly 130 can drive the bolt 110 to retract into the lock body 100 to unlock the escape door lock. When the escape door lock is opened, a warning sound can be given out to warn workers that the escape door lock is opened, so that danger caused by mistaken opening of the escape door lock can be avoided. In addition, after the sounding component 220 is closed, the escape door lock can be opened, so that the anti-theft performance of the escape door lock is improved.

It should be noted that the delayed unlocking of the escape door lock can be set through the controller, the delay time can be set at will, and the lock can be unlocked after the delay set time is set, for example, the lock is unlocked after the push handle 120 is pressed for 1 to 15 seconds, so that the warning time is prolonged, and the anti-theft performance of the escape door lock is improved; the push handle 120 can be pressed to unlock the escape box immediately without setting time delay, so that the escape time delayed due to emergency is avoided. In addition, when the locking assembly 310 locks the second connecting assembly 320, the push handle 120 can drive the first connecting assembly 130 to move a small amount to trigger the first switch 210, but since the locking assembly 310 locks the second connecting assembly 320, the bolt 110 is prevented from driving the retractable lock body 100 directly through the first connecting assembly 130.

It can be understood that, referring to fig. 2 and 4, the first connecting assembly 130 includes a first connecting rod 131 and a transmission rod 132, the first connecting rod 131 is hinged to the lock body 100, the transmission rod 132 is slidably disposed on the lock body 100, one end of the first connecting rod 131 is movably connected to the push handle 120, the other end of the first connecting rod 131 is movably connected to the transmission rod 132, the push handle 120 drives the transmission rod 132 to slide through the first connecting rod 131, and the transmission rod 132 is used for driving the lock tongue 110 to rotate. After the controller closes the locking assembly 310, the locking assembly 310 unlocks the second connecting assembly 320, and the first connecting assembly 130 can drive the second connecting assembly 320 to move. When the push handle 120 is pressed, the push handle 120 drives the first link 131 to rotate, the first link 131 is movably connected with the transmission rod 132, and the first link 131 drives the transmission rod 132 to slide, so as to drive the bolt 110 to retract into the lock body 100 and unlock the escape door lock. The push handle 120 drives the bolt 110 to retract through the first connecting rod 131 and the transmission rod 132, so as to facilitate the opening of the escape door lock and smooth the movement of the bolt 110.

Specifically, referring to fig. 2 and 6, the second connecting assembly 320 includes a sliding member 321, a second connecting rod 322, and a third connecting rod 323, the sliding member 321 is slidably disposed on the lock body 100, the second connecting rod 322 is hinged to the lock body 100, one end of the third connecting rod 323 is hinged to the sliding member 321, the other end of the third connecting rod 323 is hinged to the second connecting rod 322, the driving rod 132 drives the second connecting rod 322 to rotate on the lock body 100, and the sliding member 321 can be locked by the locking assembly 310. The transmission rod 132 is abutted against the second connecting rod 322, the transmission rod 132 is abutted against the second connecting rod 322 through sliding, then the second connecting rod 322 is driven to rotate, one end of the third connecting rod 323 is hinged to the second connecting rod 322, the other end of the third connecting rod 323 is hinged to the sliding piece 321, the third connecting rod 323 is driven through the second connecting rod 322, the sliding piece 321 is driven by the third connecting rod 323 to slide, when the sliding piece 321 is close to the locking assembly 310, the sliding piece 321 can be caught and locked by the locking assembly 310, the controller controls the locking assembly 310 to lock the sliding piece 321 to lock the second connecting rod 322 and the third connecting rod 323, the situation that the transmission rod 132 directly drives the bolt 110 to retract into the lock body 100 is avoided, the escape door lock is opened in a delayed mode, and the safety of the escape door lock is improved.

Specifically, with reference to fig. 2 and 6, locking assembly 310 comprises an electromagnetic member 311 and a clamping jaw 312, electromagnetic member 311 driving clamping jaw 312 to clamp slider 321 to lock slider 321. The controller controls the electromagnetic component 311 to open, and the electromagnetic component 311 drives the clamping jaw 312 to clamp the sliding component 321, so as to lock the position of the sliding component 321, further lock the second connecting component 320, prevent the transmission rod 132 from directly driving the bolt 110 to retract into the lock body 100, and reduce the safety risk caused by accidental opening of the escape door lock.

Specifically, with reference to fig. 2 and 6, a first spring 313 is provided between the electromagnetic part 311 and the clamping jaw 312, the first spring 313 driving the clamping jaw 312 away from the slider 321 to unlock the slider 321. The controller controls the electromagnetic component 311 to be closed, the first spring 313 drives the clamping jaw 312 to reset, so that the sliding part 321 is unlocked, the second connecting component 320 is unlocked, the pushing handle 120 is pressed to directly drive the first connecting component 130 to move, the first connecting component 130 drives the locking tongue 110 to retract into the lock body 100, and the escape door lock is opened. The first spring 313 drives the clamping jaw 312 to open to unlock the sliding part 321, so that the transmission rod 132 can drive the locking bolt 110 to retract, and the unlocking efficiency is improved.

It can be understood that, referring to fig. 4 and 5, the first connecting assembly 130 further includes a driving block 133, the driving block 133 is slidably disposed on the lock body 100, the locking bolt 110 is hinged to the lock body 100, the driving block 133 is hinged to the locking bolt 110, and the driving rod 132 is slid by driving the driving block 133 to drive the locking bolt 110 to rotate. The driving rod 132 drives the driving block 133 to slide, the driving block 133 is hinged with the bolt 110, the driving block 133 drives the bolt 110 to rotate, so that the bolt 110 retracts into the lock body 100, and the bolt 110 retracts through the driving block 133, so that the bolt 110 retracts smoothly and rapidly.

It will be appreciated that, with reference to fig. 4 and 5, the driving block 133 is provided with a second spring 134, and the second spring 134 drives the driving block 133 to be reset. When the pushing handle 120 is not pressed, the second spring 134 connected with the driving block 133 drives the driving block 133 to reset, so that the bolt 110 resets, the escape door lock is kept in a normally closed state, and the anti-theft performance of the escape door lock is improved.

It can be understood that, referring to fig. 3, the warning mechanism 200 further includes a key cylinder 230 and a second switch 240, the second switch 240 is electrically connected to the sound-generating component 220, the key cylinder 230 is used for triggering the second switch 240, and the second switch 240 controls the sound-generating component 220 to be turned on or off. When the sound generating component 220 gives an alarm, a mechanical key can be inserted into the lock cylinder 230, the key is rotated to rotate the lock cylinder 230, the second switch 240 is rotated and triggered by the rotation of the lock cylinder 230, and the second switch 240 closes the sound generating component 220, so that the sound generating component 220 stops giving an alarm sound, the phenomenon that the alarm sound is misled to a user in the maintenance process of the escape door lock is reduced, and the warning effect of the alarm sound is avoided being reduced. Meanwhile, the escape door lock can be immediately opened by closing the time delay function of the escape door lock through the mechanical key under the emergency condition, so that the escape time is prevented from being delayed.

It is understood that, referring to fig. 2 and 3, the escape door lock further includes a card reader 410, the card reader 410 is electrically connected to the controller, and the card reader 410 controls the locking assembly 310 to be turned on or off through the controller. When the sounding component 220 gives an alarm, the card reader 410 can remove the alarm by swiping the card, so that the alarm sound given by the maintenance of the escape door lock is prevented from influencing a user. Meanwhile, the escape door lock can be opened immediately by closing the time delay function of the escape door lock through the card reader 410 in an emergency.

It can be appreciated that, referring to fig. 4, the first link 131 is provided with a torsion spring 135, and the torsion spring 135 is used to drive the first link 131 to be reset. When the handle 120 is pressed, the handle 120 compresses the torsion spring 135 to drive the first connecting element 130 to move, thereby driving the latch tongue 110 to retract. When the pushing handle 120 is not pressed, the torsion spring 135 drives the first connecting rod 131 to reset, so that the pushing handle 120 keeps an extending state, namely the escape door lock keeps a normally closed state, 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, a push handle and a first connecting assembly, and the push handle drives the lock tongue to move through the first connecting assembly;

the warning mechanism is arranged on the lock body and comprises a first switch and a sounding component, the first switch is electrically connected with the sounding component, the push handle drives the first connecting component to trigger the first switch, and the first switch is used for controlling sounding of the sounding component;

the locking mechanism comprises a controller, a locking assembly and a second connecting assembly, wherein the controller is electrically connected with the locking assembly, the controller is used for controlling the locking assembly to be started or closed, the locking assembly is used for locking the second connecting assembly, and the second connecting assembly is in linkage with the first connecting assembly.

2. The escape door lock according to claim 1, wherein the first connecting member comprises a first connecting rod and a transmission rod, the first connecting rod is hinged to the lock body, the transmission rod is slidably disposed on the lock body, one end of the first connecting rod is movably connected to the push handle, the other end of the first connecting rod is movably connected to the transmission rod, the push handle drives the transmission rod to slide through the first connecting rod, and the transmission rod is used for driving the lock tongue to rotate.

3. The escape door lock of claim 2, wherein the second connecting member comprises a sliding member, a second connecting rod and a third connecting rod, the sliding member is slidably disposed on the lock body, the second connecting rod is hinged to the lock body, one end of the third connecting rod is hinged to the sliding member, the other end of the third connecting rod is hinged to the second connecting rod, the transmission rod drives the second connecting rod to rotate on the lock body, and the sliding member can be locked by the locking member.

4. The escape door lock of claim 3 wherein said locking assembly includes an electromagnetic member and a clamping jaw, said electromagnetic member driving said clamping jaw to clamp said slider to lock said slider.

5. The escape door lock of claim 4 wherein a first spring is disposed between said electromagnetic member and said clamping jaw, said first spring urging said clamping jaw away from said slider to unlock said slider.

6. The escape door lock according to claim 2, wherein the first connecting member further comprises a driving block, the driving block is slidably disposed on the lock body, the latch is hinged to the lock body, the driving block is hinged to the latch, and the driving rod drives the driving block to slide so as to drive the latch to rotate.

7. The escape door lock of claim 6 wherein said actuator block is provided with a second spring, said second spring urging said actuator block to return.

8. The escape door lock according to claim 1, wherein the warning mechanism further comprises a lock cylinder and a second switch, the second switch is electrically connected with the sounding component, the lock cylinder is used for triggering the second switch, and the second switch controls the sounding component to be turned on or off.

9. The escape door lock of claim 1, further comprising a card reader electrically connected to the controller, wherein the card reader controls the locking assembly to be turned on or off via the controller.

10. The escape door lock of claim 2 wherein the first link is provided with a torsion spring for urging the first link to return.