CN215803859U

CN215803859U - Thermal induction fire-fighting escape door lock

Info

Publication number: CN215803859U
Application number: CN202122158617.4U
Authority: CN
Inventors: 安磊; 蒋晓楚
Original assignee: Chengdu Xintianlong Digital Technology Co ltd
Current assignee: Chengdu Xintianlong Digital Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-11
Anticipated expiration: 2031-09-07

Abstract

The utility model provides a thermal induction fire-fighting escape door lock. The thermal induction fire-fighting escape door lock comprises an escape door lock body, wherein the escape door lock body comprises a door body, a clamping lock seat and a door lock device, a first lock column is arranged in the door lock device in a sliding mode, a second lock column is arranged in the clamping lock seat in a sliding mode, and the end portion of the second lock column is in contact with the end portion of the first lock column; the two guide grooves are respectively formed in the inner walls of the two sides of the door lock device; the guide rods are slidably arranged in the two guide grooves and are positioned above the first lock cylinder; the connecting rod, the connecting rod fixed mounting be in the top of first lock post, the top of connecting rod with the bottom fixed connection of guide arm. The thermal induction fire-fighting escape door lock provided by the utility model has the advantages of manual standby unlocking mode and capability of independently and quickly unlocking when a circuit is damaged.

Description

Thermal induction fire-fighting escape door lock

Technical Field

The utility model relates to the technical field of fire-fighting escape door locks, in particular to a thermal induction fire-fighting escape door lock.

Background

Fire escape passages are formed in public places such as hotels, superstores, office buildings and the like so that people can quickly escape through the fire escape passages when fire occurs; however, in order to maintain the safety of the internal property, the fire escape door is normally locked, and thus, the fire escape door for emergency escape is prevented from causing many administrative troubles as the fire escape door for personnel, tourists or goods to enter and exit daily.

At present, the existing fire escape door lock has some defects, such as; the existing fire-fighting escape door lock can not be automatically unlocked under the thermal induction, the speed of opening the door of escape personnel is reduced, the convenience of the fire-fighting escape door lock in use is reduced, the existing fire-fighting escape door lock is more complex in structure, the phenomenon of damage easily occurs, and the existing fire-fighting escape door lock can not be automatically maintained when the drive gear is used, the phenomenon that the abrasion is too large can occur under the condition of long-term use of the drive gear, and the service life of the drive gear and the tooth groove is shortened.

Through retrieval, a patent document with an authorization publication number of CN210888423U discloses a thermal induction fire-fighting escape door lock, which structurally comprises a door frame, wherein a door body and a clamping and locking seat are arranged on the door frame, the door body is positioned on the left side inside the door frame and is movably connected with the door frame, and the clamping and locking seat is fixedly connected with the middle of the right side of the door frame through a rivet; be provided with door lock device on the door body, last through-hole, circuit board, temperature sensor, smoke transducer, oil tank and the driving motor of being provided with of door lock device, the through-hole is located door lock device's well below, the circuit board pass through the rivet with the inside left end of door lock device, temperature sensor one end is located the outside left side of door lock device, temperature sensor's the other end pass through the rivet with the circuit board is connected. Although it has realized that fire control flee the lock and unblank automatically under the heating power response for the speed that the personnel of fleing opened the door, improved the convenience when fire control flee the lock use.

However, the driving method is only one of electric driving, and when a circuit failure occurs during actual use, people have difficulty in unlocking the door lock, thereby causing fire tragedies.

Therefore, there is a need to provide a new thermal induction fire escape door lock to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a thermal induction fire-fighting escape door lock which has a manual standby unlocking mode and can independently and quickly unlock when a circuit is damaged.

In order to solve the technical problem, the utility model provides a thermal induction fire-fighting escape door lock, which comprises: the escape door lock body comprises a door body, a clamping lock seat and a door lock device, wherein a first lock column is arranged in the door lock device in a sliding mode, a second lock column is arranged in the clamping lock seat in a sliding mode, and the end portion of the second lock column is in contact with the end portion of the first lock column; the two guide grooves are respectively formed in the inner walls of the two sides of the door lock device; the guide rods are slidably arranged in the two guide grooves and are positioned above the first lock cylinder; the connecting rod is fixedly installed at the top of the first lock cylinder, and the top end of the connecting rod is fixedly connected with the bottom of the guide rod; and the connecting mechanism is arranged on the first lock cylinder and the second lock cylinder.

Preferably, coupling mechanism includes reset groove, embedded groove, strong magnetism, metal pole and holding spring, the reset groove with the embedded groove is seted up respectively first lock post with the one end that the second lock post was laminated each other, strong magnetism fixed mounting be in the embedded groove, metal pole slidable mounting in the reset groove with in the embedded groove, the tip of metal pole with strong magnetism adsorbs mutually, holding spring sets up in the reset groove, holding spring is located the metal pole is kept away from the one end of strong magnetism.

Preferably, the sliding hole has been seted up on the top inner wall in groove that resets, door lock device is located the guide through hole has all been seted up to the both sides of the door body, two slidable mounting has same action bars in the guide through hole, the both ends of action bars all extend to in the door body, slidable mounting has long connecting rod in the sliding hole, the bottom of long connecting rod with the top fixed connection of metal pole, the top of long connecting rod with the bottom fixed connection of action bars.

Preferably, the bottom of the first lock cylinder and the bottom of the second lock cylinder are both provided with a tooth pattern groove, and the tooth pattern grooves are correspondingly arranged.

Preferably, the contact surfaces of the first and second lock cylinders are flush with the contact surfaces of the latch holder and the door lock device.

Preferably, the first lock cylinder and the second lock cylinder are made of magnetism-insulating materials, and the opening and closing length of the guide through hole is larger than the depth of the embedded groove.

Compared with the related art, the thermal induction fire-fighting escape door lock provided by the utility model has the following beneficial effects:

the utility model provides a thermal induction fire-fighting escape door lock which comprises: the first lock cylinder and the second lock cylinder which are separated from each other can be manually separated when needed, so that the requirement of manual unlocking is met, the built-in metal rod and the strong magnet are adsorbed, the requirement of electric unlocking is met, the use mode can be switched, the operation mode is flexible, and quick manual unlocking can be carried out when a circuit system breaks down.

Drawings

FIG. 1 is a schematic sectional view of a thermal sensing door lock for fire escape according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

fig. 3 is a schematic front view of a thermal induction fire escape door lock according to a preferred embodiment of the present invention.

Reference numbers in the figures: 1. an escape door lock body; 2. a door body; 3. a latch seat; 4. a door lock device; 5. a first lock cylinder; 6. a second lock cylinder; 7. a guide groove; 8. a guide bar; 9. a connecting rod; 10. a reset groove; 11. a groove is embedded; 12. strong magnetism; 13. a metal rod; 14. a retention spring; 15. a slide hole; 16. a guide through hole; 17. an operating lever; 18. a long connecting rod; 19. a gear groove.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic sectional front view illustrating a thermal sensing fire escape door lock according to a preferred embodiment of the present invention; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; fig. 3 is a schematic front view of a thermal induction fire escape door lock according to a preferred embodiment of the present invention. Thermal induction fire control escape door lock includes: the escape door lock body 1 comprises a door body 2, a clamping seat 3 and a door lock device 4, wherein a first lock column 5 is arranged in the door lock device 4 in a sliding mode, a second lock column 6 is arranged in the clamping seat 3 in a sliding mode, and the end portion of the second lock column 6 is in contact with the end portion of the first lock column 5; the two guide grooves 7 are respectively formed in the inner walls of the two sides of the door lock device 4; the guide rods 8 are arranged in the two guide grooves 7 in a sliding mode, and the guide rods 8 are located above the first lock cylinder 5; the connecting rod 9 is fixedly installed at the top of the first lock cylinder 5, and the top end of the connecting rod 9 is fixedly connected with the bottom of the guide rod 8; a connecting mechanism disposed on the first and second lock cylinders 5, 6.

Coupling mechanism includes reset groove 10, embedded groove 11, strong magnetism 12, metal pole 13 and keeps spring 14, reset groove 10 with embedded groove 11 is seted up respectively first lock post 5 with the one end that second lock post 6 laminated each other, strong magnetism 12 fixed mounting be in embedded groove 11, metal pole 13 slidable mounting in reset groove 10 with in the embedded groove 11, the tip of metal pole 13 with strong magnetism 12 adsorbs mutually, it is in to keep spring 14 sets up in the reset groove 10, it is located to keep spring 14 metal pole 13 keeps away from strong magnetism 12's one end.

Seted up slide opening 15 on the top inner wall of groove 10 that resets, door lock device 4 is located guide through hole 16, two have all been seted up to the both sides of the door body 2 slidable mounting has same action bars 17 in the guide through hole 16, the both ends of action bars 17 all extend to in the door body 2, slidable mounting has long connecting rod 18 in slide opening 15, the bottom of long connecting rod 18 with the top fixed connection of metal pole 13, the top of long connecting rod 18 with the bottom fixed connection of action bars 17.

The bottom of the first lock cylinder 5 and the bottom of the second lock cylinder 6 are both provided with a tooth-shaped groove 19, and the two tooth-shaped grooves 19 are correspondingly arranged.

The contact surfaces of the first and second lock cylinders 5, 6 are flush with the contact surfaces of the latch holder 3 and the door lock device 4.

The first lock cylinder 5 and the second lock cylinder 6 are made of magnetism isolating materials, and the opening and closing length of the guide through hole 16 is larger than the depth of the embedded groove 11.

The working principle of the thermal induction fire-fighting escape door lock provided by the utility model is as follows:

when a circuit system in the escape door lock body 1 fails and cannot be normally opened, the circuit system can be manually unlocked, an operating rod 17 is buckled on one side of the door body 2 during unlocking, the operating rod 17 slides along a guide through hole 16, a long connecting rod 18 drives a metal rod 13 to slide and separate from an embedded groove 11 and retract into a reset groove 10, a retaining spring 14 is compressed, the metal rod 13 is forcedly separated from a strong magnet 12, and at the moment, because the contact surfaces of a first lock column 5 and a second lock column 6 are flush with the contact surfaces of a lock seat 3 and a door lock device 4, the door body 2 can be normally opened;

during normal use, because metal pole 13 adsorbs with strong magnetism 12 mutually, first lock post 5 and second lock post 6 form a whole, can keep the needs of locking through built-in metal pole 13, and during electronic unblock, drive first lock post 5 and second lock post 6 through the built-in circuit system of escape door lock body 1 and slide the unblock, guide arm 8 slides along guide slot 7 to make first lock post 5 and second lock post 6 keep stable.

the utility model provides a thermal induction fire-fighting escape door lock, which can be manually separated when needed through a first lock cylinder 5 and a second lock cylinder 6 which are separated from each other, so that the requirement of manual unlocking is met, a built-in metal rod 13 is adsorbed by a strong magnet 12, the requirement of electric unlocking is met, the use mode can be switched, the door lock is flexible, and quick manual unlocking can be carried out when a circuit system breaks down.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, and the like of the device is not completely described, but on the premise that those skilled in the art understand the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A thermal induction fire-fighting escape door lock is characterized by comprising:

the escape door lock body comprises a door body, a clamping lock seat and a door lock device, wherein a first lock column is arranged in the door lock device in a sliding mode, a second lock column is arranged in the clamping lock seat in a sliding mode, and the end portion of the second lock column is in contact with the end portion of the first lock column;

the two guide grooves are respectively formed in the inner walls of the two sides of the door lock device;

the guide rods are slidably arranged in the two guide grooves and are positioned above the first lock cylinder;

the connecting rod is fixedly installed at the top of the first lock cylinder, and the top end of the connecting rod is fixedly connected with the bottom of the guide rod;

and the connecting mechanism is arranged on the first lock cylinder and the second lock cylinder.

2. The thermal induction fire-fighting escape door lock according to claim 1, wherein the connecting mechanism comprises a reset groove, an embedded groove, a strong magnet, a metal rod and a retaining spring, the reset groove and the embedded groove are respectively formed in one end, which is attached to the first lock cylinder and the second lock cylinder, of the first lock cylinder and the second lock cylinder, the strong magnet is fixedly installed in the embedded groove, the metal rod is slidably installed in the reset groove and the embedded groove, the end portion of the metal rod is adsorbed to the strong magnet, the retaining spring is arranged in the reset groove, and the retaining spring is located at one end, which is far away from the strong magnet, of the metal rod.

3. The thermal induction fire-fighting escape door lock according to claim 2, wherein a sliding hole is formed in the inner wall of the top of the reset groove, guide through holes are formed in two sides of the door body of the door lock device, the same operating rod is slidably mounted in the two guide through holes, two ends of the operating rod extend into the door body, a long connecting rod is slidably mounted in the sliding hole, the bottom end of the long connecting rod is fixedly connected with the top of the metal rod, and the top end of the long connecting rod is fixedly connected with the bottom of the operating rod.

4. The thermal induction fire-fighting escape door lock according to claim 1, wherein the bottoms of the first lock cylinder and the second lock cylinder are both provided with insection grooves, and the two insection grooves are correspondingly arranged.

5. A thermally induced fire escape door lock as defined in claim 1, wherein the contact surfaces of said first and second locking cylinders are flush with the contact surfaces of said latch housing and said door lock device.

6. The thermal induction fire-fighting escape door lock according to claim 3, wherein the first lock cylinder and the second lock cylinder are made of a magnetism-insulating material, and the opening and closing length of the guide through hole is greater than the depth of the embedded groove.