Steel heat insulation fireproof door

Abstract

The utility model provides a steel heat insulation fireproof door. The steel heat insulation fireproof door comprises a main body, a lock box is fixedly installed on the main body, a first sleeve is fixedly installed in the lock box, a spring telescopic rod is fixedly installed in the first sleeve, a spring bolt is slidably installed in the lock box, one end of the spring bolt extends into the first sleeve and is fixedly connected with the output end of the spring telescopic rod, and the other end of the spring bolt extends into the second sleeve and is fixedly connected with the output end of the spring telescopic rod. A first through hole is formed in the inner wall of one side of the lock box, the other end of the spring bolt penetrates through the first through hole and extends out of the lock box, a plurality of teeth are arranged on the spring bolt, and a gear is rotationally installed in the lock box. According to the steel heat-insulation fireproof door, thermosetting resin materials are arranged in the steel heat-insulation fireproof door, the door plate is supported from the inside, deformation of the door plate is prevented, people can conveniently pass through the door, polyurethane foam materials are arranged, the situation that the door cannot be opened due to the fact that the spring bolt cannot retract due to high temperature is avoided, and sound-light alarm equipment is arranged to warn people when a fire breaks out. And people can escape conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire protection, and particularly relates to a steel heat-insulating fire door. Background Art

[0002] A fire door refers to a door that can meet the requirements of fire resistance, integrity and heat insulation within a certain period of time. It is a fire partition with a certain fire resistance set in fire compartments, evacuation stairwells, vertical shafts, etc. The doors on the partition walls of basement rooms where people often stay or there are more combustibles should be Class A fire doors. Existing fire doors include a fire door frame, a fire door body, a fireproof board and strip-shaped fire door cores. The fire door body is in the shape of a rectangular plate. Multiple fire door cores are installed in the fire door body. The length directions of the multiple fire door cores extend along the height direction of the fire door body. The multiple fire door cores are arranged in parallel at intervals along the width direction of the fire door body. However, the fire prevention effect of this existing technology is not good enough. It is prone to deformation when exposed to high temperatures, which will pose a danger to people.

[0003] After retrieval, in the related technology, the patent document with the authorized publication number CN207892479U discloses a steel heat-insulating fire door. A steel heat-insulating fire door, its structure includes hinges, a fire door frame, a connecting rod, a door closer, screws, fireproof glass, a fireproof lock, a fireproof handle, a fireproof door leaf, a fireproof glass frame. The fire door frame is connected to the fireproof door leaf through hinges. The fireproof door leaf and the fireproof glass frame are an integrated structure. The fireproof glass is embedded and connected in the fireproof glass frame. The door closer is connected to the fireproof door leaf through screws. The connecting rod is embedded and connected in the door closer. The fireproof lock is embedded and connected in the fireproof door leaf. The fireproof door leaf includes a fireproof rubber strip, a heat-insulating layer, a lock groove, a fireproof steel plate, and a fireproof filler. The fireproof rubber strip is attached to the heat-insulating layer. The steel heat-insulating fire door of the utility model is provided with a heat-insulating layer, a fireproof steel plate and a fireproof filler inside the fireproof door leaf, which can play a heat-insulating role and can prevent the door leaf from burning people due to excessive temperature when exposed to high temperatures, and can reduce the harm to people during the process of waiting for rescue.

[0004] Regarding the above-mentioned related technology, the utility model person believes that there are the following defects: when a fire breaks out, the door is prone to deformation or the door lock is locked, resulting in the inability to open, delaying the escape time.

[0005] Therefore, it is necessary to provide a new steel heat-insulating fire door to solve the above technical problems. Content of the Utility Model

[0006] The technical problem solved by the utility model is to provide a steel heat-insulating fire door that supports the door panel from the inside through an internally provided thermosetting resin material to prevent the door panel from deforming, facilitating the passage of people. By setting polyurethane foam material, it is avoided that the lock tongue cannot retract due to high temperature, resulting in the inability to open the door. By setting a sound and light alarm device, it warns people when a fire breaks out, facilitating the escape of people.

[0007] To solve the above technical problems, the steel heat-insulating and fire-proof door provided by the utility model comprises: a main body, a lock box fixedly installed on the main body, a first sleeve fixedly installed in the lock box, a spring telescopic rod fixedly installed in the first sleeve, a lock tongue slidably installed in the lock box, one end of the lock tongue extending into the first sleeve and fixedly connected with the output end of the spring telescopic rod, a first through hole formed in one inner wall of the lock box, the other end of the lock tongue passing through the first through hole and extending outside the lock box, a plurality of teeth formed on the lock tongue, a gear rotatably installed in the lock box, the gear meshing with the plurality of teeth, second through holes formed in the top inner wall and the bottom inner wall of the lock box respectively, two handles rotatably installed on the two second through holes respectively, one ends of the two handles passing through the corresponding second through holes and fixedly connected with the gear, a second sleeve fixedly installed in the lock box, a slider slidably installed in the second sleeve, a toothed plate slidably installed in the lock box, one end of the toothed plate fixedly connected with the slider, the toothed plate being adapted to the second sleeve, a lock core rotatably installed in the lock box, one end of the lock core extending outside the lock box, a limit bolt fixedly sleeved on the lock core, a limit hole formed in the toothed plate, and the limit hole being adapted to the limit bolt.

[0008] As a further solution of the utility model, a cavity is formed in the main body, an aerogel heat-insulating plate is fixedly installed in the cavity, and two thermosetting resin plates are fixedly installed on both outer walls of the aerogel heat-insulating plate.

[0009] As a further solution of the utility model, temperature sensors and acoustic-optical alarm devices are fixedly installed on both outer walls of the main body.

[0010] As a further solution of the utility model, a controller and a battery are arranged in the main body, the two temperature sensors, the two acoustic-optical alarm devices and the controller are all connected with the battery, and the two temperature sensors and the two acoustic-optical alarm devices are all connected with the controller.

[0011] As a further solution of the utility model, wax films are arranged on both thermosetting resin plates.

[0012] As a further solution of the utility model, polyurethane foam material is arranged in the second sleeve.

[0013] Compared with the related technology, the steel heat-insulating and fire-proof door provided by the utility model has the following beneficial effects:

[0014] By internally arranging thermosetting resin materials, the materials gradually harden while the door body is heated, support the door panel from the inside, prevent the door panel from deforming, and facilitate personnel to pass through.

[0015] The utility model avoids the situation that the door cannot be opened due to the failure of the lock tongue to retract caused by high temperature by setting polyurethane foam material, thus avoiding delaying the escape time.

[0016] The utility model warns people when a fire breaks out by setting an acoustic-optic alarm device, which is convenient for people to escape. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the steel-insulated fire door of the present utility model;

[0019] Figure 2 It is a structural schematic diagram of the door lock of the steel-insulated fire door of the present utility model;

[0020] Figure 3 It is a structural schematic diagram of the sandwich layer of the steel-insulated fire door of the present utility model.

[0021] In the figure: 1, main body; 2, lock box; 3, first sleeve; 4, spring telescopic rod; 5, lock tongue; 6, gear; 7, handle; 8, second sleeve; 9, slider; 10, toothed plate; 11, lock core; 12, limit bolt; 13, aerogel heat insulation board; 14, thermosetting resin board; 15, temperature sensor; 16, acoustic-optic alarm device; 17, controller; 18, battery. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 , wherein, Figure 1 It is a three-dimensional structural schematic diagram of the steel-insulated fire door of the present utility model; Figure 2 It is a structural schematic diagram of the door lock of the steel-insulated fire door of the present utility model; Figure 3This is a schematic diagram of the sandwich structure of the steel heat-insulating and fire-proof door of the present utility model. The steel heat-insulating and fire-proof door includes: a main body 1, a lock box 2 is fixedly installed on the main body 1, a sleeve 3 is fixedly installed in the lock box 2, a spring telescopic rod 4 is fixedly installed in the sleeve 3, a lock tongue 5 is slidably installed in the lock box 2, one end of the lock tongue 5 extends into the sleeve 3 and is fixedly connected to the output end of the spring telescopic rod 4, a through hole 1 is opened on one inner wall of the lock box 2, the other end of the lock tongue 5 passes through the through hole 1 and extends outside the lock box 2, a plurality of teeth are provided on the lock tongue 5, a gear 6 is rotatably installed in the lock box 2, the gear 6 meshes with the plurality of teeth, through holes 2 are opened on the top inner wall and the bottom inner wall of the lock box 2 respectively, two handles 7 are rotatably installed on the two through holes 2 respectively, one ends of the two handles 7 pass through the corresponding through holes 2 respectively and are fixedly connected to the gear 6, a sleeve 8 is fixedly installed in the lock box 2, a slider 9 is slidably installed in the sleeve 8, a toothed plate 10 is slidably installed in the lock box 2, one end of the toothed plate 10 is fixedly connected to the slider 9, the toothed plate 10 is adapted to the sleeve 8, a lock core 11 is rotatably installed in the lock box 2, one end of the lock core 11 extends outside the lock box 2, a limit bolt 12 is fixedly sleeved on the lock core 11, a limit hole is opened on the toothed plate 10, and the limit hole is adapted to the limit bolt 12.

[0023] Through the mutual cooperation of the slider 9 and the polyurethane foam material, it is avoided that the lock tongue 5 cannot retract due to high temperature, resulting in the door being unable to open and delaying the escape time.

[0024] A cavity is opened in the main body 1, an aerogel heat-insulating board 13 is fixedly installed in the cavity, and two thermosetting resin boards 14 are fixedly installed on both outer walls of the aerogel heat-insulating board 13.

[0025] Through the mutual cooperation of the aerogel heat-insulating board 13 and the thermosetting resin board 14, the material gradually hardens while the door body is heated, supports the door panel from the inside, prevents the door panel from deforming, and reduces the temperature on the other side of the door panel, facilitating the passage of personnel.

[0026] Temperature sensors 15 and acoustic-optic alarm devices 16 are fixedly installed on both outer walls of the main body 1;

[0027] A controller 17 and a battery 18 are provided in the main body 1, the two temperature sensors 15, the two acoustic-optic alarm devices 16 and the controller 17 are all connected to the battery 18, and the two temperature sensors 15 and the two acoustic-optic alarm devices 16 are all connected to the controller 17.

[0028] Through the mutual cooperation of the temperature sensor 15, the acoustic-optic alarm device 16 and the controller 17, people are warned when a fire breaks out, facilitating people's escape.

[0029] A wax film is provided on each of the two thermosetting resin plates 14;

[0030] The polyurethane foam material is provided inside the second sleeve 8.

[0031] The working principle of the steel heat-insulating and fire-proof door provided by the present utility model is as follows:

[0032] The first step: When a fire breaks out around the door, the temperature detector 15 detects that the surrounding temperature rises abnormally. With the cooperation of the controller 17, the sound and light alarm device 16 starts to emit sound and light to warn people. When the external temperature continues to rise, the wax film on the two thermosetting resin plates 14 in the cavity starts to melt, and the internal thermosetting resin plate 14 gradually hardens when heated, supporting the door panel from the inside to prevent the door panel from deforming due to heat and being unable to open, which may hinder escape. At the same time, the aerogel heat-insulating plate 13 in the middle can effectively reduce the temperature on the other side. Meanwhile, the polyurethane foam material in the second sleeve 8 in the lock box 2 expands rapidly when heated, pushing open and holding against the slider 9 and the toothed plate 10, so that the lock tongue 5 always remains in the retracted state, ensuring that the door is open and facilitating people's escape.

[0033] It should be noted that the device structure and drawings of the present utility model mainly describe the principle of the present utility model. Based on the technical principle of this design, the settings of the power mechanism, power supply system, control system, etc. of the device are not fully described. However, on the premise that those skilled in the art understand the principle of the above-mentioned utility model, the specific power mechanism, power supply system, and control system can be clearly known. The control method of the application document is automatically controlled through the controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art;

[0034] The standard parts used therein can all be purchased from the market, and can also be customized according to the records of the specification and drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts, and equipment all adopt conventional models in the prior art, and the components known to those skilled in the art, their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model, or directly or indirectly applied. In other related technical fields, the scope of the present utility model is defined by the appended claims and their equivalents, and is similarly included within the scope of the patent protection of the present utility model.

Claims

1. A steel heat-insulating and fireproof door, characterized in that, Including: A main body, on which a lock box is fixedly installed. Inside the lock box, a first sleeve is fixedly installed. Inside the first sleeve, a spring telescopic rod is fixedly installed. A lock tongue is slidably installed in the lock box. One end of the lock tongue extends into the first sleeve and is fixedly connected to the output end of the spring telescopic rod. A first through hole is formed in one inner wall of the lock box. The other end of the lock tongue passes through the first through hole and extends outside the lock box. Multiple teeth are formed on the lock tongue. A gear is rotatably installed in the lock box. The gear meshes with the multiple teeth. Second through holes are formed in both the top inner wall and the bottom inner wall of the lock box. Two handles are respectively rotatably installed on the two second through holes. One ends of the two handles respectively pass through the corresponding second through holes and are fixedly connected to the gear. A second sleeve is fixedly installed in the lock box. A slider is slidably installed in the second sleeve. A toothed plate is slidably installed in the lock box. One end of the toothed plate is fixedly connected to the slider. The toothed plate is adapted to the second sleeve. A lock core is rotatably installed in the lock box. One end of the lock core extends outside the lock box. A limit bolt is fixedly sleeved on the lock core. A limit hole is formed in the toothed plate. The limit hole is adapted to the limit bolt.

2. The steel heat-insulating and fireproof door according to claim 1, wherein: A cavity is formed in the main body. An aerogel heat insulation board is fixedly installed in the cavity. Two thermosetting resin boards are fixedly installed on both outer walls of the aerogel heat insulation board.

3. The steel heat-insulating and fireproof door according to claim 1, characterized in that: Temperature sensors and acoustic-optic alarm devices are fixedly installed on both outer walls of the main body.

4. The steel heat-insulating and fireproof door according to claim 2, characterized in that: A controller and a battery are provided in the main body. The two temperature sensors, the two acoustic-optic alarm devices and the controller are all connected to the battery. The two temperature sensors and the two acoustic-optic alarm devices are all connected to the controller.

5. The steel heat-insulating and fireproof door according to claim 2, characterized in that: Wax films are provided on both thermosetting resin boards.

6. The steel heat-insulating and fireproof door according to claim 4, wherein: Polyurethane foam material is provided in the second sleeve.

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