CN212176846U

CN212176846U - Fireproof bolt structure

Info

Publication number: CN212176846U
Application number: CN202020211436.6U
Authority: CN
Inventors: 陈荣钟
Original assignee: Shanghai Mingwei Hardware Co ltd
Current assignee: Shanghai Mingwei Hardware Co ltd
Priority date: 2020-02-26
Filing date: 2020-02-26
Publication date: 2020-12-18
Anticipated expiration: 2030-02-26

Abstract

The utility model discloses a fireproof bolt structure, which comprises a sealing seat with a through hole and a bolt seat with a through hole, wherein the sealing seat is arranged at the side edge of a door frame, the bolt seat is arranged at the side edge of a door, the through hole of the sealing seat on the door frame is communicated with the through hole of the bolt seat on the door frame, the bolt seat is of a sleeve structure, a rubber cover, a spring fastener structure and a clamping pin seat are arranged in the sleeve, and the clamping pin seat enables the rubber cover to be abutted against the through hole of the bolt seat through the spring fastener structure; the rubber cover is melted when meeting high temperature, and the spring clamping piece structure penetrates into the through hole of the bolt seat on the door from the through hole of the sealing seat on the door frame. The utility model adopts the meltable rubber column, when the indoor temperature exceeds the melting point of the rubber column, the rubber column melts, the stop bolt on one side of the rubber column is pushed out by the spring and penetrates into the through hole of the bolt seat on the door frame through the through hole of the seal seat on the door frame, so that the door frame and the door lock can not actuate to open the door, thereby preventing the fire from spreading to the risk of other floors; the utility model discloses can not influence the normal business turn over switch door of lock of fleing and actuate.

Description

Fireproof bolt structure

Technical Field

The utility model relates to a chucking seat structure spare that lever lock was used flees belongs to fire-fighting equipment's technical field, especially relates to a chucking seat structure spare.

Background

The escape push lever lock is a device applied to an escape door, is locked at ordinary times, can be opened by a manager, is opened when a fire disaster occurs, and can be used for escaping, so that the escape lock is very important for self rescue of people in the fire disaster.

The escape pushing rod lock is of a transverse latch type structure, a horizontal pushing type or downward pressing type pushing rod is usually adopted, the operation opening part of the escape pushing rod lock almost covers the width of the whole door, and when the escape pushing rod lock is used for emergency escape, a user only needs to push the transverse rod or the pressing rod part at any part of the body of the user to unlock the escape pushing rod lock and open the escape door for escape.

Because the average speed of the transverse diffusion of the fire is 3 meters per second, the diffusion speed of smoke is much higher, the smoke can possibly permeate the whole room before the fire arrives, people in the room suffocate and die, when no people exist on the floor on fire, the escape door is opened by the negative pressure of indoor high temperature, the fire rapidly spreads to other floors, the rescue time and the escape time are reduced, and meanwhile great difficulty is brought to rescue and escape.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an install in emergency exit lever lock, can realize meeting a chucking seat structure of high temperature automatic pinning emergency exit lever.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fireproof bolt structure comprises a sealing seat with a through hole and a bolt seat with a through hole, wherein the sealing seat is arranged on the side edge of a door frame, the bolt seat is arranged on the side edge of a door, the through hole of the sealing seat on the door frame is communicated with the through hole of the bolt seat on the door frame, the bolt seat is of a sleeve structure, a rubber cover, a spring clamping piece structure and a clamping element pin seat are arranged in the sleeve, and the clamping pin seat enables the rubber cover to abut against the through hole of the bolt seat through the spring clamping piece structure; the rubber cover melts when meeting high temperature, and the spring clamping piece structure penetrates into the through hole of the door locking tongue seat from the through hole of the door frame upper sealing seat.

Preferably, the spring catch structure comprises a stop bolt and a spring; one end of the clamping pin seat abuts against the bottom end of the stop bolt through a spring, and the top end of the stop bolt abuts against the rubber cover; the rubber cover is melted when meeting high temperature, and the stop bolt penetrates into the through hole of the bolt seat on the door from the through hole of the seal seat on the door frame.

Preferably, the bottom of keeping off the bolt is equipped with the step, the one end of spring passes through the screens key seat and supports on the step of the bottom of keeping off the bolt.

Preferably, a clamping pin is fixed on the clamping pin seat; the stop bolt is provided with an inner cavity, an opening is formed in the bottom end of the stop bolt, one end of the clamping pin is arranged in the inner cavity, and the other end of the clamping pin is fixed on the clamping pin seat.

Preferably, the clamping pin seat is connected with the clamping pin through a spring pin.

Preferably, the top end of the stop bolt is of a trapezoidal structure, and the trapezoidal structure is convenient for ejecting the stop bolt out of the through hole of the bolt seat.

Preferably, a baffle is arranged on one side of the through hole of the seal seat and used for guiding a stop bolt ejected out of the through hole of the lock tongue seat.

The utility model adopts the meltable rubber column, when the indoor temperature exceeds the melting point of the rubber column, the rubber column melts, the stop bolt on one side of the rubber column is pushed out by the spring and penetrates into the through hole of the bolt seat on the door frame through the through hole of the seal seat on the door frame, so that the door frame and the door lock can not actuate to open the door, thereby preventing the fire from spreading to the risk of other floors; the utility model discloses can not influence the normal business turn over switch door of lock of fleing and actuate, the daily installation of being convenient for is used.

Drawings

Fig. 1 is an exploded schematic view of a three-dimensional structure of a fireproof plug pin structure according to the present invention;

fig. 2 is a perspective schematic structural view of a fire-proof latch according to the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a fixed fireproof plug pin structure according to the present invention;

fig. 4 is a schematic structural view of a fire-proof bolt structure according to the present invention in daily use;

fig. 5 is the utility model provides a structural schematic diagram after lid is glued to fire prevention bolt structure melts.

Reference numbers in the figures:

1. a seal seat; 2. a bolt seat; 3. a rubber cover; 4. a stop bolt; 5. a spring; 6. a position clamping pin; 7. a clamping pin seat; 8. a spring pin; 9. a door frame; 10. and a door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

As shown in fig. 1 to 5, for the utility model provides a fireproof bolt structure, including the sealing seat 1 with through-hole and the bolt seat 2 with through-hole, the sealing seat 1 is fixed at the side of the door frame 9 through the screw, the bolt seat 2 is fixed at the side of the door 10 through the screw, the through-hole of the sealing seat 1 on the door frame 9 is communicated with the through-hole of the bolt seat 2 on the door frame 10, the bolt seat 2 is a sleeve structure, and the sleeve is internally provided with a rubber cover 3, a stop bolt 4, a spring 5, a clamping pin 6 and a clamping pin seat 7;

the top end of the stop bolt 4 abuts against the rubber cover 3, the bottom end of the stop bolt 4 is provided with a step, and one end of the spring 5 abuts against the step at the bottom end of the stop bolt 4 through the clamping pin seat 7; the stop bolt 4 is provided with an inner cavity, the bottom end of the stop bolt 4 is provided with an opening, one end of the clamping pin 6 is arranged in the inner cavity, the clamping pin seat 7 is provided with one end of the clamping pin 6 fixed through the spring pin 8,

the clamping pin seat 7 enables the rubber cover 3 to abut against the through hole of the bolt seat 2 through a spring clamping piece structure; the rubber cover 3 is melted when meeting high temperature, and the spring clamping piece structure penetrates into the through hole of the bolt seat 2 on the door 10 from the through hole of the sealing seat 1 on the door frame 9.

Further, the top end of the stop bolt 4 is of a trapezoidal structure, and the trapezoidal structure is convenient for ejecting the stop bolt 4 out of the through hole of the bolt seat 2; furthermore, a baffle is arranged on one side of the through hole of the sealing seat 1 and used for guiding a stop bolt 4 ejected out of the through hole of the bolt seat 2.

The working principle of the utility model is as follows:

when the rubber cover 3 is melted at high temperature, the bottom of the stop bolt 4 pushes out the stop bolt 4 through the tension of the spring and the stop bolt 4 penetrates into the through hole of the latch seat 2 on the door 10 from the through hole of the sealing seat 1 on the door frame 9.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fireproof bolt structure comprises a sealing seat (1) with a through hole and a bolt seat (2) with a through hole, wherein the sealing seat (1) is arranged on the side edge of a door frame (9), the bolt seat (2) is arranged on the side edge of a door (10), the through hole of the sealing seat (1) on the door frame (9) is communicated with the through hole of the bolt seat (2) on the door frame (10), the fireproof bolt structure is characterized in that the bolt seat (2) is of a sleeve structure, a rubber cover (3), a spring clamping structure and a clamping bolt seat (7) are arranged in the sleeve, and the clamping bolt seat (7) enables the rubber cover (3) to abut against the through hole of the bolt seat (2) through the spring clamping structure; the rubber cover (3) melts when meeting high temperature, and the spring clamping piece structure penetrates into the through hole of the bolt seat (2) on the door (10) from the through hole of the sealing seat (1) on the door frame (9).

2. A flameproof latch construction according to claim 1, characterised in that the spring catch construction comprises a catch (4) and a spring (5); one end of the clamping pin seat (7) abuts against the bottom end of the stop bolt (4) through a spring (5), and the top end of the stop bolt (4) abuts against the rubber cover (3); the rubber cover (3) melts when meeting high temperature, and the stop bolt (4) penetrates into the through hole of the bolt seat (2) on the door (10) from the through hole of the sealing seat (1) on the door frame (9).

3. A fire protection latch construction according to claim 2, characterized in that the bottom end of the catch (4) is provided with a step, and one end of the spring (5) abuts against the step at the bottom end of the catch (4) through a retaining pin seat (7).

4. A fireproof bolt structure according to claim 2, characterised in that the position-locking pin seat (7) is provided with a position-locking pin (6); the stop bolt (4) is provided with an inner cavity, an opening is formed in the bottom end of the stop bolt (4), one end of the clamping pin (6) is arranged in the inner cavity, and the other end of the clamping pin (6) is fixed on the clamping pin seat (7).

5. A fire protection latch according to claim 4, characterized in that the retaining latch seat (7) is connected to the retaining latch (6) by means of a spring latch (8).

6. A fire-resistant bolt construction according to claim 2, characterised in that the top end of the stop bolt (4) is of a trapezoidal configuration which facilitates ejection of the stop bolt (4) from the through hole of the bolt holder (2).

7. A fire-proof bolt structure according to claim 2, characterized in that a baffle is arranged at one side of the through hole of the cover seat (1), and the baffle is used for guiding the stop bolt (4) ejected out of the through hole of the bolt seat (2).