CN214835902U

CN214835902U - Steel heat-insulation fireproof door

Info

Publication number: CN214835902U
Application number: CN202121721848.5U
Authority: CN
Inventors: 黄建伟
Original assignee: Jiangsu Zhantuo Fire Fighting Equipment Co ltd
Current assignee: Jiangsu Zhantuo Fire Fighting Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-11-23
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a steel prevents heat and prevents fire door, including the door plant, the door handle, door frame and additional strengthening, the utility model discloses a set up additional strengthening in the door frame inboardly, carry out the heat transfer to the expansion strip after being heated through the door frame, and the expansion strip is heated the back and is expanded inseparabler laminating at the door plant surface, thereby the leakproofness that door plant and door frame are connected has been improved, and the expansion strip drives connecting plate and response sheetmetal rebound and enter into proximity switch response within range and start the solenoid valve, make external pipe guide water, and form the water curtain through the shower nozzle downward injection and reduce smog and heat outdiffusion, reached and reduced smog and thermal diffusion volume, reduce the beneficial effect of potential safety hazard.

Description

Steel heat-insulation fireproof door

Technical Field

The utility model relates to a prevent fire door correlation field, specifically a steel prevents fire door that insulates against heat.

Background

The fireproof door is a door with fire resistance, and can block the air circulation between two spaces when a fire occurs, prevent the diffusion of dense smoke, toxic gas and hot air, resist fire for a certain time, delay or control the fire spread, so that the fireproof door plays a crucial role when the fire occurs.

When a fire disaster happens, a large amount of smoke and heat are usually accompanied, although the fireproof door effectively prevents the fire from spreading, the sealing performance of the fireproof door is poor, and a large amount of smoke and heat are still easy to be emitted outwards, so that certain potential safety hazard is still caused.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned insufficiency, the utility model provides a steel prevents heat and prevents fire door here.

The utility model is realized in such a way, a steel heat insulation fireproof door is constructed, the device comprises a door plate and a door handle, the door plate is hinged at the rear end of the inner side of the door frame, the door handle is arranged at the front end of the left end face of the door plate, the reinforcing mechanism is arranged at the inner side of the door frame and comprises an expansion strip, a mounting groove, a connecting plate, a micro spring, a switching mechanism, a shell, an external pipe, a solenoid valve, a spray head and a hole, the expansion strip is arranged at the inner side of the mounting groove and is jointed with the end face of the outer side of the door plate, the mounting groove is arranged at the four ends of the inner side of the door frame, the connecting plate is connected with the top end face of the expansion strip at the top, the connecting plate is connected with the top end face of the inner side of the mounting groove through the micro spring, the switching mechanism is arranged at the outer side of the connecting plate, the shell is locked at the top of the right end face of the door frame, the external pipe penetrates through the middle part of the rear end face of the shell, and install the solenoid valve on the external pipe, the shower nozzle links up in external pipe inside bottom, and the shower nozzle runs through in the trompil is inboard, the trompil link up in shell bottom end face and inboard bottom end face.

Preferably, the opening and closing mechanism comprises induction metal sheets, proximity switches, rubber clamping blocks and clamping grooves, the induction metal sheets are embedded into the left end and the right end of the top end face of the connecting plate, the proximity switches are arranged at the left end and the right end of the top of the inner side of the mounting groove and are fixedly locked on the top end face of the inner side of the mounting groove, the rubber clamping blocks are fixedly fastened on the side surface of the connecting plate, the rubber clamping blocks are matched with the inner side of the clamping grooves, and the clamping grooves are formed in the middle upper portion of the inner side of the mounting groove.

Preferably, four expansion strips are distributed at four ends of the outer side of the door panel, and the four expansion strips are enclosed to form a square structure.

Preferably, the top of the connecting plate is provided with two micro springs which are symmetrically arranged at the front end and the rear end of the top end face of the connecting plate.

Preferably, more than two nozzles are distributed at equal intervals at the bottom of the external connecting pipe, and more than two openings are correspondingly formed in the bottom end face of the inner side of the shell.

Preferably, the width of the connecting plate corresponds to the width of the expansion strip, and the length of the connecting plate corresponds to the length of the inner side of the mounting groove.

Preferably, the rubber clamping block is of a semi-elliptical structure protruding outwards, and the inner side of the clamping groove is of a corresponding semi-elliptical structure.

Preferably, the inner side of the mounting groove is of a square structure, and the mounting groove is perpendicular to the end surface of the inner side of the door frame.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a steel thermal-insulated fire door here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a steel prevents thermal-insulated fire door, it is inboard in the door frame through having set up strengthening mechanism, carry out the heat transfer to the expansion strip through the door frame after being heated, and the expansion strip carries out the inseparabler laminating of inflation at the door plant surface after being heated, thereby the leakproofness that door plant and door frame are connected has been improved, and the expansion strip drives the connecting plate and response sheetmetal rebound and enters into proximity switch response within range and start-up solenoid valve, make external connecting pipe inlet water, and form the water curtain and reduce smog and heat outdiffusion through the shower nozzle downward injection, reduced smog and thermal diffusion volume has been reached, reduce the beneficial effect of potential safety hazard.

The method has the advantages that: a steel prevents fire door that insulates against heat, has more than two in external takeover bottom through the equidistant distribution of shower nozzle, and the inboard bottom face of shell is corresponding sets up the trompil more than two, has improved the efficiency to the outside injection of external intraductal water.

Drawings

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

fig. 2 is a left side view structure diagram of the door frame of the present invention;

FIG. 3 is a schematic view of the front cross-sectional structure of the reinforcing mechanism of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention;

fig. 5 is a schematic view of the connection plate structure of the present invention.

Wherein: the door comprises a door plate-1, a door handle-2, a door frame-4, a reinforcing mechanism-3, an expansion strip-31, a mounting groove-32, a connecting plate-33, a micro spring-34, an opening and closing mechanism-35, a shell-36, an external connecting pipe-37, an electromagnetic valve-38, a spray head-39, an opening-310, an induction metal sheet-351, a proximity switch-352, a rubber clamping block-353 and a clamping groove-354.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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 work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a steel heat insulation fireproof door, which comprises a door panel 1 and a door handle 2, wherein the door panel 1 is hinged to the rear end of the inner side of a door frame 4, and the door handle 2 is installed at the front end of the left end face of the door panel 1.

Referring to fig. 3, the present invention provides a steel heat insulation fireproof door through improvement, a reinforcing mechanism 3 is disposed inside a door frame 4, the reinforcing mechanism 3 includes an expansion strip 31, a mounting groove 32, a connecting plate 33, a micro spring 34, an opening/closing mechanism 35, a housing 36, an external connection pipe 37, a solenoid valve 38, a nozzle 39 and an opening 310, the expansion strip 31 is disposed inside the mounting groove 32, the expansion strip 31 is attached to an outer end surface of the door panel 1, four ends of the expansion strip 31 are distributed on an outer side of the door panel 1, the four expansion strips 31 are enclosed to form a square structure, so as to improve the sealing performance of the connection between the four ends of the door panel 1 and the door frame 4, the mounting groove 32 is disposed on the inner side of the door frame 4, the inner side of the mounting groove 32 is a square structure, the mounting groove 32 is perpendicular to an inner end surface of the door frame 4, so that the connecting plate 33 can slide in the mounting groove 32, the connecting plate 33 is connected to an upper end surface of the expansion strip 31, the connecting plate 33 is connected with the top end surface of the inner side of the mounting groove 32 through the micro springs 34, two micro springs 34 are arranged at the top of the connecting plate 33, the two micro springs 34 are symmetrically arranged at the front end and the rear end of the top end surface of the connecting plate 33, the resetting efficiency of the connecting plate 33 is improved, the width of the connecting plate 33 corresponds to the width of the expansion strip 31, the length of the connecting plate 33 corresponds to the length of the inner side of the mounting groove 32, the connecting plate 33 can slide stably in the mounting groove 32, the opening and closing mechanism 35 is arranged at the outer side of the connecting plate 33, the shell 36 is locked at the top of the right end surface of the door frame 4, the external connecting pipe 37 penetrates through the middle part of the rear end surface of the shell 36, the electromagnetic valve 38 is arranged on the external connecting pipe 37, the spray head 39 is connected with the bottom of the inner side of the external connecting pipe 37, the spray head 39 penetrates through the inner side of the opening 310, more than two spray heads 39 are distributed at equal intervals at the bottom of the external connecting pipe 37, and the bottom end surface of the inner side of the shell 36 is correspondingly provided with more than two openings 310, the efficiency of the water in the extension pipe 37 is improved, and the opening 310 penetrates the bottom end surface of the outer shell 36 and the bottom end surface of the inner side.

Please refer to fig. 4 and 5, the utility model provides a steel heat insulation fireproof door through the improvement, the opening and closing mechanism 35 includes the response sheetmetal 351, proximity switch 352, rubber fixture block 353 and draw-in groove 354, both ends about the response sheetmetal 351 is embedded into connecting plate 33 top face, proximity switch 352 is provided with two and controls both ends in the inboard top of mounting groove 32, and proximity switch 352 locks in the inboard top face of mounting groove 32, rubber fixture block 353 fastens in the connecting plate 33 side surface, and rubber fixture block 353 is identical with the draw-in groove 354 inboard, rubber fixture block 353 is outside bellied semiellipse structure, and the draw-in groove 354 inboard is corresponding semiellipse structure, it is inboard that rubber fixture block 353 receives the extrusion to enter into draw-in groove 354 to be convenient for, draw-in groove 354 sets up in the inboard middle and upper portion of mounting groove 32.

The utility model provides a steel heat insulation fireproof door through improvement, and the working principle is as follows;

first, the device is integrally installed in place in the building construction, and the extension pipe 37 is connected to an external pipe, and the solenoid valve 38 and the proximity switch 352 are connected to an external safe backup power supply;

secondly, when the building in the fire door is in fire, the indoor and outdoor are isolated by closing the door panel 1, so that the indoor fire is effectively prevented from spreading outwards, the temperature of the door panel 1 and the door frame 4 rises due to heat transfer when the fire is in the indoor, and the expansion strip 31 rises stably and expands, the giant Ge expansion strip 31 is tightly attached to the outer surface of the door panel 1 after being heated and expanded, so that the connection tightness between the door panel 1 and the door frame 4 is improved, the expansion strip 31 drives the connecting plate 31 to move along the mounting groove 32 at the top in the expansion process, the connecting plate 31 drives the rubber clamping block 353 to move outwards to be separated from the inner side of the clamping groove 354, and the power supply of the electromagnetic valve 38 can be connected after the connecting plate 31 drives the induction metal sheet 351 to move into the induction area of the proximity switch 352;

thirdly, external water is then introduced into the outer pipe 37, and the water introduced into the outer pipe 37 is sprayed downward through the spray heads 39, and since the bottom of the outer pipe 37 is provided with more than two spray heads 39 at equal intervals, a plurality of spray heads 39 form a water curtain when water is sprayed downward at the same time, thereby effectively preventing indoor smoke and heat from being diffused outward.

The utility model provides a steel heat insulation fireproof door through improvement, the expansion strip 31 is subjected to heat transfer after the door frame 4 is heated, and the expansion strip 31 is expanded after being heated and is more closely attached to the outer surface of the door plate 1, thereby improving the sealing performance of the connection between the door panel 1 and the door frame 4, and the expansion strip 31 drives the connecting plate 33 and the sensing metal sheet 351 to move upwards to enter the sensing range of the proximity switch 352 to start the electromagnetic valve 38, so that the external connecting pipe 37 leads water, and the spray head 39 sprays downwards to form a water curtain to reduce the outward diffusion of smoke and heat, thereby achieving the beneficial effects of reducing the diffusion quantity of smoke and heat and reducing potential safety hazards, more than two holes 310 are correspondingly formed in the bottom end face of the inner side of the shell 36 at the bottom of the external connecting pipe 37 and distributed at equal intervals through the spray heads 39, and the efficiency of spraying water in the external connecting pipe 37 outwards is improved.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steel heat-insulation fireproof door comprises a door panel (1) and a door handle (2), wherein the door panel (1) is hinged to the rear end of the inner side of a door frame (4), and the door handle (2) is installed at the front end of the left end face of the door panel (1);

the method is characterized in that: the door further comprises a reinforcing mechanism (3), the reinforcing mechanism (3) is arranged on the inner side of the door frame (4), the reinforcing mechanism (3) comprises an expansion strip (31), an installation groove (32), a connecting plate (33), a micro spring (34), an opening and closing mechanism (35), a shell (36), an external connecting pipe (37), an electromagnetic valve (38), a spray head (39) and a hole (310), the expansion strip (31) is arranged on the inner side of the installation groove (32), the expansion strip (31) is attached to the outer end face of the door panel (1), the installation groove (32) is arranged on the four inner sides of the door frame (4), the connecting plate (33) is connected to the top end face of the expansion strip (31) at the top, the connecting plate (33) is connected to the top end face of the installation groove (32) through the micro spring (34), the opening and closing mechanism (35) is arranged on the outer side of the connecting plate (33), the shell (36) is locked on the top of the right end face of the door frame (4), the external connection pipe (37) runs through in shell (36) rear end face middle part, and installs solenoid valve (38) on the external connection pipe (37), shower nozzle (39) link up in the inboard bottom of external connection pipe (37), and shower nozzle (39) run through in trompil (310) inboard, trompil (310) link up in shell (36) bottom end face and inboard bottom end face.

2. The steel heat-insulating fireproof door according to claim 1, wherein: the opening and closing mechanism (35) comprises induction metal sheets (351), a proximity switch (352), rubber clamping blocks (353) and clamping grooves (354), the induction metal sheets (351) are embedded into the left end and the right end of the top end face of the connecting plate (33), the proximity switch (352) is provided with two ends which are arranged on the left end and the right end of the top of the inner side of the mounting groove (32), the proximity switch (352) is fixedly locked on the top end face of the inner side of the mounting groove (32), the rubber clamping blocks (353) are fastened on the side surface of the connecting plate (33), the rubber clamping blocks (353) are matched with the inner side of the clamping grooves (354), and the clamping grooves (354) are arranged on the middle upper portion of the inner side of the mounting groove (32).

3. The steel heat-insulating fireproof door according to claim 1, wherein: four expansion strips (31) are distributed at four ends of the outer side of the door plate (1), and the four expansion strips (31) are enclosed to form a square structure.

4. The steel heat-insulating fireproof door according to claim 1, wherein: two micro springs (34) are arranged at the top of the connecting plate (33), and the two micro springs (34) are symmetrically arranged at the front end and the rear end of the top end face of the connecting plate (33).

5. The steel heat-insulating fireproof door according to claim 1, wherein: the sprayer (39) is distributed at equal intervals with more than two bottoms of the external connecting pipes (37), and the bottom end surface of the inner side of the shell (36) is correspondingly provided with more than two open holes (310).

6. The steel heat-insulating fireproof door according to claim 1, wherein: the width of the connecting plate (33) corresponds to the width of the expansion strip (31), and the length of the connecting plate (33) corresponds to the length of the inner side of the mounting groove (32).

7. The steel heat-insulating fireproof door according to claim 2, wherein: the rubber clamping block (353) is of a semi-elliptical structure protruding outwards, and the inner side of the clamping groove (354) is of a corresponding semi-elliptical structure.

8. The steel heat-insulating fireproof door according to claim 1, wherein: the inner side of the mounting groove (32) is of a square structure, and the mounting groove (32) is vertical to the end face of the inner side of the door frame (4).