CN112502537A

CN112502537A - Fireproof lock

Info

Publication number: CN112502537A
Application number: CN202011382091.1A
Authority: CN
Inventors: 尹书祥
Original assignee: Foshan Nanhai Chongtai Fireproof Material Co ltd
Current assignee: Foshan Nanhai Chongtai Fireproof Material Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-03-16

Abstract

A fireproof lock comprises a lock body arranged on a door plate, a handle assembly and a lock core assembly; the handle assembly includes a square shaft; the lock cylinder assembly comprises a reverse locking rotary rod; the square shaft and the reverse locking rotary rod are wrapped with a graphite fireproof sealing sleeve; the graphite fireproof sealing sleeve is sleeved on the square shaft and the reverse locking rotary rod, so that the graphite fireproof sealing sleeve can be prevented from falling off from a lockset due to frequent collision of a door plate, the leakage of a graphite material is prevented, and the fireproof effect of the invention can be improved; through the arrangement of the graphite fireproof sealing sleeve and the graphite fireproof sealing gasket, the internal structure of the fireproof lock can be simplified, the installation is convenient, the consumption of graphite materials is reduced, and the cost is saved.

Description

Fireproof lock

Technical Field

The invention relates to the technical field of fireproof locks, in particular to a fireproof lock.

Background

The existing fire-proof door series improves the door, the fire-proof lock prevents fire by filling graphite materials into gaps inside parts of the lock, and when a fire disaster happens, the purposes of fire prevention, heat insulation and smoke resistance are achieved by expansion of the graphite materials; however, when a fire breaks out, the fire door is frequently opened and closed due to the entrance and exit of people, the collision is frequent, the graphite material in the lockset is loosened and leaked, and the expected effect cannot be achieved when the fire breaks out, so that improvement is needed.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a fireproof lock which is good in fireproof performance, convenient to install and simple in structure, and graphite materials are not easy to fall off.

In order to solve the technical problems, the invention adopts the following technical scheme:

a fireproof lock comprises a lock body arranged on a door plate, a handle assembly and a lock core assembly;

the handle assembly includes a square shaft;

the lock cylinder assembly comprises a reverse locking rotary rod;

and the square shaft and the reverse locking rotary rod are wrapped with a graphite fireproof sealing sleeve.

Preferably, graphite fireproof sealing sleeves are wrapped between one end of the square shaft and one side of the lock body which is closer to the other end of the square shaft and the other side of the lock body.

Preferably, the rod part of the reverse locking rotating rod is wrapped with a graphite fireproof sealing sleeve.

Preferably, the handle assembly and the plug assembly are connected to the door panel by a threaded rod.

Preferably, a graphite fireproof sealing sleeve is arranged between the head of the screw and the door plate.

Preferably, the handle assembly further comprises a handle and a handle decorative cover, the two ends of the square shaft are respectively connected with the handle, and the two handles are respectively provided with the handle decorative cover.

Preferably, the inner wall of the handle decorative cover is provided with a graphite fireproof sealing gasket.

Preferably, the lock core subassembly includes lock core, lock core dress trim cover and anti-lock swing arm dress trim cover, the lock core with lock body matched with has been installed to one side of lock body, be connected with lock core dress trim cover on the lock core, be connected with anti-lock swing arm dress trim cover on the anti-lock swing arm.

Preferably, the inner walls of the lock cylinder decorative cover and the anti-locking screw rod decorative cover are provided with graphite fireproof sealing gaskets.

Compared with the prior art, the invention has the advantages that:

1. the graphite fireproof sealing sleeve is sleeved on the square shaft and the reverse locking rotary rod, so that the graphite fireproof sealing sleeve can be prevented from falling off from a lockset due to frequent collision of a door plate, leakage of graphite materials is prevented, and the fireproof effect of the invention can be improved.

2. Through the arrangement of the graphite fireproof sealing sleeve and the graphite fireproof sealing gasket, the internal structure of the fireproof lock can be simplified, the installation is convenient, the consumption of graphite materials is reduced, and the cost is saved.

Drawings

FIG. 1 is a cross-sectional view provided by the present invention.

The reference numerals in the figures denote:

100. a door panel; 1. a lock body; 2. a handle assembly; 21. a square shaft; 22. a handle; 23. a handle trim cover; 3. a plug assembly; 31. reversely locking the rotary rod; 32. a lock cylinder; 33. a lock cylinder decorative cover; 34. the rotating rod is locked reversely to decorate the cover; 4. a graphite fireproof sealing sleeve; 5. a screw; 6. graphite fire prevention sealing gasket.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

Fig. 1 shows an embodiment of the fireproof lock of the present invention, which includes a lock body 1 mounted on a door panel 100, a handle assembly 2 and a lock cylinder assembly 3, wherein the handle assembly 2 includes a square shaft 21; the plug assembly 3 includes a reverse locking turn bar 31; the square shaft 21 and the reverse locking rotary rod 31 are wrapped with a graphite fireproof sealing sleeve 4; the graphite fireproof sealing sleeve 4 made of graphite materials is sleeved on the square shaft 21 and the reverse locking rotating rod 31, so that the graphite fireproof sealing sleeve 4 can be prevented from falling off from a lockset due to frequent collision of the door plate 100, the graphite materials are prevented from leaking, and the fireproof effect of the invention can be improved; when a fire breaks out, the graphite fireproof sealing sleeve 4 expands to fill the gap on the door panel 100, so that flame, heat and smoke dust are prevented from entering the side where the fire breaks out from the gap; through the arrangement of the graphite fireproof sealing sleeve 4, the internal structure of the fireproof lock can be simplified, the installation is convenient, the consumption of graphite materials is reduced, and the cost is saved.

Preferably, graphite fireproof sealing sleeves 4 are wrapped between one end of the square shaft 21 and one side of the lock body 1 which is closer to the other end of the square shaft 21 and the other side of the lock body 1. The fire, heat and smoke are prevented from entering the side where fire is not taking place from the gap between the square shaft 21 and the door panel 100, and the fire prevention effect is improved.

Preferably, the stem of the counter-locking lever 31 is wrapped with a graphite fire-proof sealing sleeve 4. The fire, heat and smoke are prevented from entering the surface where fire does not occur from the gap between the locking rotation lever 31 and the door panel 100, and the fire prevention effect is improved.

Preferably, the handle assembly 2 and the plug assembly 3 are connected to the door panel 100 by screws 5. Handle subassembly 2 and lock core subassembly 3 realize dismantling through screw rod 5 and door plant 100 and be connected, are convenient for overhaul the inside spare part of tool to lock.

Preferably, a graphite fire-proof sealing sleeve 4 is arranged between the head of the screw 5 and the door panel 100. Flame, heat and smoke are prevented from entering the surface without fire from the gap between the screw 5 and the door panel 100, and the fireproof effect is improved.

Preferably, the handle assembly 2 further includes a handle 22 and a handle decorative cover 23, the two ends of the square shaft 21 are respectively connected with the handle 22, and the two handles 22 are respectively provided with the handle decorative cover 23. The two handles 22 respectively penetrate through the handle decorative cover 23 to be connected with the square shaft 21, and the graphite fireproof sealing gasket 6 is arranged on the inner wall of the handle decorative cover 23.

Preferably, a graphite fireproof sealing gasket 6 is arranged on the inner wall of the handle decoration cover 23. Prevent flame, heat and smoke from entering the surface without fire from the gap of the handle decorative cover 23, and improve the fire-proof effect.

Preferably, the lock cylinder assembly 3 comprises a lock cylinder 32, a lock cylinder decorative cover 33 and a lock bar decorative cover 34, the lock cylinder 32 matched with the lock body 1 is installed on one side of the lock body 1, the lock cylinder decorative cover 33 is connected to the lock cylinder 32, and the lock bar decorative cover 34 is connected to the lock bar 31.

Preferably, graphite fireproof sealing gaskets 6 are arranged on the inner walls of the lock cylinder decorating cover 33 and the anti-locking screw rod decorating cover 34. Flame, heat and smoke are prevented from entering the surface without fire from the gap between the lock cylinder decorative cover 33 and the anti-lock rotary rod decorative cover 34, and the fireproof effect is improved.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides a fireproof lock, includes lock body (1), handle subassembly (2) and lock core subassembly (3) of installing on door plant (100), its characterized in that:

the handle assembly (2) comprises a square shaft (21);

the lock cylinder assembly (3) comprises a reverse locking rotary rod (31);

the square shaft (21) and the reverse locking rotary rod (31) are wrapped with a graphite fireproof sealing sleeve (4).

2. A fire-proof lock as claimed in claim 1, characterised in that a graphite fire-proof sealing sleeve (4) is wrapped between one end of the square shaft (21) and the side of the lock body (1) closer to the other end of the square shaft (21) and the other side of the lock body (1).

3. A fire protection lock as claimed in claim 1, characterized in that the stem of the counter-locking lever (31) is coated with a graphite fire-proof sealing sleeve (4).

4. A fire protection lock according to claim 1, wherein the handle assembly (2) and the cylinder assembly (3) are connected to the door panel (100) by means of a screw (5).

5. A fireproof lock according to claim 4, wherein a graphite fireproof sealing sleeve (4) is arranged between the head of the screw (5) and the door panel (100).

6. A fire protection lock according to claim 1, wherein the handle assembly (2) further comprises a handle (22) and a handle trim cover (23), the two ends of the square shaft (21) are connected with the handle (22), and the two handles (22) are provided with the handle trim cover (23).

7. A fireproof lock according to claim 6, wherein the inner wall of the handle trim cover (23) is provided with a graphite fireproof sealing gasket (6).

8. A fire-proof lock according to claim 1, characterized in that the lock core assembly (3) comprises a lock core (32), a lock core decorative cover (33) and a lock reversing screw decorative cover (34), one side of the lock body (1) is provided with the lock core (32) matched with the lock body (1), the lock core decorative cover (33) is connected on the lock core (32), and the lock reversing screw decorative cover (34) is connected on the lock reversing screw (31).

9. A fire protection lock as claimed in claim 8, characterized in that graphite fire protection gaskets (6) are provided on the inner walls of said lock core trim cover (33) and said turnstile trim cover (34).