CN218376190U

CN218376190U - Normally closed type building heat insulation fireproof door

Info

Publication number: CN218376190U
Application number: CN202222635816.4U
Authority: CN
Inventors: 吴永彬
Original assignee: Fujian Fufa Doors And Windows Co ltd
Current assignee: Fujian Fufa Doors And Windows Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-24
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a normal close formula building heat insulation prevents fire door in fire door equipment technical field, including the door body and peacefully open the door, the door body includes outer door frame, inner ring frame and insert the ring, outer door frame passes through the bolt and fixes with the wall body, inner ring frame welds in the inside wall of outer door frame, open the outside of inner ring frame has the mounting groove, insert the ring and be close to one side annular welding of inner ring frame has a plurality of pushing posts; this normal close formula building heat-insulating fireproof door's setting, insert the ring through the inside at interior ring frame, when taking place to catch fire, it prevents that fire door is in the encapsulated situation, press the pushing ram this moment, make it insert in half card of ring advances the ring channel of vertical hinged door, and the only route of smog diffusion is diffused through the clearance between vertical hinged door and the interior ring frame, the leakproofness between vertical hinged door and the interior ring frame can be strengthened to the use inserts the ring, thereby can effectually block smog, in order to prevent that the smog from diffusing to safe area.

Description

Normally closed type building heat insulation fireproof door

Technical Field

The utility model relates to a prevent fire door equipment technical field, specifically be a fire door is prevented to normal close formula building heat insulation.

Background

A fire door is a door that can meet the requirements of fire stability, integrity and thermal insulation for a certain period of time. It is a fire-proof partition with certain fire resistance, which is arranged in fire-proof subareas, evacuation staircases, vertical shafts and the like. When the existing fireproof door is used, the sealing performance of the fireproof door can be influenced due to the fact that the long-time switch of the door body is closed, and then smoke of the existing fireproof door can be diffused to a safety area along a gap of the door body when a fire disaster happens. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a normal close formula building is thermal-insulated prevents fire door to prevent fire door that proposes in solving above-mentioned background art when using, thereby can influence preventing fire door's leakproofness because the long-time switch of the door body is closed, and then its smog can spread the problem of safe area along the gap of the door body when taking place the conflagration.

In order to achieve the above object, the utility model provides a following technical scheme: a normally closed type building heat insulation fireproof door comprises a door body and a horizontally opened door, wherein the door body comprises an outer door frame, an inner ring frame and an inserting ring, the outer door frame is fixed with a wall body through bolts, the inner ring frame is welded on the inner side wall of the outer door frame, a mounting groove is formed in the outer side of the inner ring frame, a plurality of pushing columns are annularly welded on one side, close to the inner ring frame, of the inserting ring, and the pushing columns penetrate through the inner ring frame and extend outwards when the inserting ring is embedded in the mounting groove; one side of the vertical hinged door is rotatably connected with the outer door frame through a hinge, the other side of the vertical hinged door is locked with the outer door frame through a lockset, the upper part of the outer side wall of the vertical hinged door is connected with the outer door frame through a door locking device, and one side of the vertical hinged door, which is close to the inner ring frame, is provided with an annular groove.

In order to avoid the too fast transmission to safe district of heat that the conflagration produced, conduct the utility model discloses a fire door is prevented to normal close formula building heat insulation is preferred, the vertical hinged door is kept away from one side of outer door frame is passed through the bolt fastening and is had the heat insulating board, the heat insulating board with the rear side wall contact of outer door frame.

In order to reduce the impact sound that takes place when closing the door at every turn, as the utility model discloses a normal close formula building is thermal-insulated prevents that fire door is preferred, the heat insulating board pass through the rubber strip with the outer door frame contact.

In order to carry on spacingly to inserting the ring, as the utility model discloses a normal close formula building is thermal-insulated prevents that fire door is preferred, the inside wall of interior ring frame is pegged graft and is had the locating pin, the locating pin sees through interior ring frame extends into insert the ring.

In order to prevent that the pedestrian from missing to strike the pushing ram, conduct the utility model discloses a normal close formula building is thermal-insulated prevents that fire door is preferred, interior ring frame is kept away from peg graft in one side of vertical hinged door has the safety cover, the safety cover wrap up in the outside of pushing ram.

Compared with the prior art, the beneficial effects of the utility model are that: this normally closed formula building thermal-insulated fireproof door's setting, insert a ring through the inside at inner ring frame, when taking place to catch fire, it prevents that fire door is in the encapsulated situation, press the pushing column this moment, make it insert in the ring channel of half card entering vertical hinged door of ring, and the only route of smog diffusion is that the clearance between vertical hinged door and the inner ring frame diffuses, the use is inserted the ring and can be strengthened the sealing performance between vertical hinged door and the inner ring frame, thereby can effectually block smog, in order to prevent that the smog from diffusing to safe area.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the inner ring frame structure of the present invention;

fig. 3 is a schematic structural view of the vertical hinged door of the present invention;

fig. 4 is a schematic view of the protective cover structure of the present invention.

In the figure: 100. a door body; 110. an outer door frame; 120. an inner ring frame; 121. positioning pins; 122. mounting grooves; 123. a protective cover; 130. inserting a ring; 131. pushing the column; 200. a vertical hinged door; 210. a door lock; 220. a heat insulation plate; 221. a rubber strip; 230. an annular groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: including a door body 100 and a flush door 200.

In the technical scheme, the normally closed type heat-insulating fireproof door for the building comprises a door body 100, an outer door frame 110, an inner ring frame 120 and an inserting ring 130, wherein the outer door frame 110 is fixed with a wall body through bolts, the inner ring frame 120 is welded on the inner side wall of the outer door frame 110, an installation groove 122 is formed in the outer side of the inner ring frame 120, a plurality of pushing columns 131 are annularly welded on one side, close to the inner ring frame 120, of the inserting ring 130, the pushing columns 131 penetrate through the inner ring frame 120 while the inserting ring 130 is embedded in the installation groove 122 and extend outwards;

in the technical scheme, the outer side wall of the outer door frame 110 is connected with a wall through a bolt, so that a door opening formed in the wall is closed, the inner ring frame 120 can be used for storing the insert ring 130 and limiting the rotation angle of the vertical hinged door 200, and the vertical hinged door 200 can be closed after being closed; the insert ring 130 is used to enhance the sealing performance between the inner ring frame 120 and the vertical hinged door 200, and prevent smoke from spreading to a safety zone along the gap between the inner ring frame 120 and the vertical hinged door 200.

In the technical scheme, one side of a vertical hinged door 200 is rotatably connected with an outer door frame 110 through a hinge, the other side of the vertical hinged door 200 is locked with the outer door frame 110 through a lockset, the upper part of the outer side wall of the vertical hinged door 200 is connected with the outer door frame 110 through a door locking device 210, and one side of the vertical hinged door 200, which is close to an inner ring frame 120, is provided with an annular groove 230;

in this kind of technical scheme, vertical hinged door 200 is used for closing the inner chamber of outer door frame 110 to separate the both sides of door body 100, and the use of lock door ware 210 can realize vertical hinged door 200 and can close by oneself after opening.

In some technical solutions, referring to fig. 1 and 3, a heat insulation plate 220 is fixed to a side of the vertical hinged door 200 away from the outer door frame 110 by bolts, and the heat insulation plate 220 contacts with a rear side wall of the outer door frame 110.

In the technical scheme, the heat insulation plate 220 can separate the vertical hinged door 200 from a fire source, so that the heat transfer speed is reduced.

In some embodiments, referring to fig. 3, the heat insulation plate 220 is in contact with the outer door frame 110 through a rubber strip 221.

In this technical solution, the use of the rubber strip 221 can reduce noise generated by collision with the outer door frame 110 when the vertical hinged door 200 is closed by itself after being opened.

In some embodiments, referring to fig. 1-2, the inner sidewall of the inner ring frame 120 is inserted with a positioning pin 121, and the positioning pin 121 extends into the insert ring 130 through the inner ring frame 120.

In this technical solution, the position of the insert ring 130 can be limited by using the positioning pin 121, the positioning pin 121 can prevent the insert ring 130 from being separated from the inner portion of the inner ring frame 120, and the insert ring 130 can also be clamped, so that the insert ring 130 can be stably clamped into the annular groove 230.

In some technical solutions, referring to fig. 4, a protective cover 123 is inserted into one side of the inner ring frame 120 away from the vertical hinged door 200, and the protective cover 123 wraps the outside of the push pillar 131.

In this kind of technical scheme, the safety cover 123 can protect the tip of the push rod 131 that extends, avoids the pedestrian to kicking the tip of push rod 131 by mistake and making the insert ring 130 take place to warp.

The working principle is as follows: under normal use, when the pedestrian passes through fire door, open the tool to lock earlier and promote vertical hinged door 200 and make the human body can pass through closing of preventing that fire door vertical hinged door 200 is proper motion under the effect of locking door ware 210, when the conflagration breaing out, with vertical hinged door 200 and outer door frame 110 locking, take off safety cover 123 from interior ring frame 120 this moment, take off locating pin 121 from the inside wall of interior ring frame 120 again, promote and push away post 131, will insert ring 130 and shift out from mounting groove 122, make half card of inserting ring 130 advance in ring channel 230, inject locating pin 121 again into the inside wall of interior ring frame 120, the completion is fixed to inserting ring 130, and then utilize inserting ring 130 to strengthen the leakproofness in the gap between vertical hinged door 200 and the interior ring frame 120, avoid the diffusion of smog.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments can be used in any combination that is not specifically enumerated in this specification for the sake of brevity and resource savings, provided that no structural conflict exists. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a normal close formula building thermal-insulated fire door which characterized in that: the sliding door comprises a door body (100) and a sliding door (200), wherein the door body (100) comprises an outer door frame (110), an inner ring frame (120) and an inserting ring (130), the outer door frame (110) is fixed with a wall body through bolts, the inner ring frame (120) is welded on the inner side wall of the outer door frame (110), an installation groove (122) is formed in the outer side of the inner ring frame (120), a plurality of pushing columns (131) are annularly welded on one side, close to the inner ring frame (120), of the inserting ring (130), the pushing columns (131) penetrate through the inner ring frame (120) and extend outwards when the inserting ring (130) is embedded in the installation groove (122);

one side of the side hung door (200) is rotatably connected with the outer door frame (110) through a hinge, the other side of the side hung door (200) is locked with the outer door frame (110) through a lockset, the upper part of the outer side wall of the side hung door (200) is connected with the outer door frame (110) through a door locking device (210), and one side of the side hung door (200) close to the inner ring frame (120) is provided with an annular groove (230).

2. The normally closed type building heat insulation and fire door as claimed in claim 1, wherein: and a heat insulation plate (220) is fixed on one side of the side-hung door (200) far away from the outer door frame (110) through bolts, and the heat insulation plate (220) is in contact with the rear side wall of the outer door frame (110).

3. The normally closed heat-insulating and fire-proof door for buildings according to claim 2, wherein: the heat insulation plate (220) is in contact with the outer door frame (110) through a rubber strip (221).

4. The normally closed heat-insulating and fire-proof door for buildings according to claim 1, wherein: the inner side wall of the inner ring frame (120) is inserted with a positioning pin (121), and the positioning pin (121) penetrates through the inner ring frame (120) and extends into the inserting ring (130).

5. The normally closed heat-insulating and fire-proof door for buildings according to claim 1, wherein: one side, far away from vertical hinged door (200), of inner ring frame (120) is spliced with a protection cover (123), protection cover (123) wrap up in the outside of push column (131).