Fire protection door

Abstract

The utility model provides a fire protection door, and belongs to the technical field of fire protection doors. The fire protection door comprises a mounting plate and a mounting frame, the mounting frame is fixed to one side of the mounting plate, the protection mechanism comprises a motor, the motor is fixed to one side of the mounting frame, a fixing shaft is arranged at the output end of the motor, a gear is arranged on the surface of the fixing shaft, a fixing frame is arranged on one side of the mounting plate in a sliding mode, and the gear is arranged on the gear. According to the protective door, the protective door body, the motor, the fixing shaft, the gear, the toothed plate, the connecting rod, the fixing frame, the groove and the sealing ring are matched with one another, due to the fact that the groove is bent into a straight line, the protective door body can be opened along the line of the groove, and when the protective door is closed, the motor is started to rotate reversely; at the moment, as the groove is bent from a straight line, when the groove moves to the bent position, the groove can move into the mounting plate, and at the moment, the sealing ring is extruded, so that sealing is performed, and no harm is caused to people.

Description

Technical Field

[0001] The utility model relates to the field of fire protection doors, in particular to a fire protection door. Background Art

[0002] Fire protection doors are doors specially designed to prevent the spread of fire and protect people from escaping. They usually have special fire resistance and fireproof structure, which can effectively isolate the fire source and prevent the spread of fire when a fire occurs, as well as provide a safe escape route. Fire protection doors are usually made of high temperature resistant materials, such as fire-resistant steel plates, fire-resistant glass, etc., which can resist flames and high temperatures for a certain period of time and prevent the spread of fire. They have good sealing properties and can prevent flames, smoke and toxic gases from passing through, ensuring the smooth escape route and the safety of people. Fire protection doors are widely used in the entrances and exits, stairwells, passages, etc. of buildings, and are important equipment to ensure the fire safety of buildings.

[0003] In the specific use of protective doors for fire protection, the usual protective doors are generally ordinary doors. When such protective doors are exposed to high temperatures, the door gaps cannot be closed due to thermal expansion and contraction, which will cause poisonous smoke to float in through the door gaps, causing great harm to the people behind the door and making it inconvenient for operators to use. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a fire protection door that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a fire protection door, comprising a mounting plate and a mounting frame, wherein the mounting frame is fixed to one side of the mounting plate.

[0007] A protection mechanism, the protection mechanism includes a motor, the motor is fixed to one side of the mounting frame, a fixed shaft is provided at the output end of the motor, a gear is provided on the surface of the fixed shaft, a fixed frame is slidably provided on one side of the mounting plate, a toothed plate is provided on one side of the fixed frame, a limit frame is provided on one side of the mounting plate, a groove is provided inside the limit frame, a connecting rod is provided inside the groove, and a protection door body and a sealing ring are provided inside the mounting plate;

[0008] The alarm and the PLC controller are both arranged on the other side of the mounting plate.

[0009] In a preferred solution, the gear is meshed with the toothed plate, and two sets of symmetrical slide rails are provided on one side of the mounting plate.

[0010] In a preferred solution, a slide groove is provided inside the slide rail, and pulleys are provided at the four corners of the fixing frame.

[0011] In a preferred solution, the pulley is arranged inside the slide groove, and mounting blocks are arranged at the four corners of the protective door body.

[0012] In a preferred solution, the connecting rod is arranged inside the mounting block, and the other side of the connecting rod is arranged on one side of the fixing frame.

[0013] In a preferred solution, a bearing sleeve is provided on the other side of the mounting frame, and the fixed shaft is connected to the bearing sleeve.

[0014] In a preferred solution, an entrance is opened inside the mounting plate, and the size of the protective door body is adapted to the size of the entrance.

[0015] In a preferred solution, the sealing ring is arranged inside the inlet, and a floor is arranged on the other side of the mounting plate.

[0016] The utility model provides a fire protection door, and its beneficial effects include:

[0017] 1. Through the cooperation of the protective door body, motor, fixed shaft, gear, tooth plate, connecting rod, fixed frame, groove and sealing ring, the motor drives the fixed shaft to rotate, the fixed shaft drives the gear to rotate, the gear drives the tooth plate to move, and it can move inside the groove through the connecting rod. Since the groove is curved to straight, the protective door body can be opened along the route of the groove. When it needs to be closed, start the motor to reverse. At this time, since the groove is straight to curved, when the protective door body moves to the curved part, it can move to the inside of the mounting plate. At this time, the sealing ring is squeezed to make it sealed without leaving any gaps and causing no harm to the crowd.

[0018] 2. The alarm will sound. When the operator needs to find the door, he can observe the guide signs or listen to the alarm to be guided to the door, which helps the operator escape from danger, improves the operator's safety, and facilitates the operator to use the system.

[0019] 3. By turning the groove from a straight line to a curve or from a curve to a straight line, when the operator opens or closes the protective door body, the connecting rod will always move in the direction of the groove, so that the protective door body can be opened and closed, and can cooperate with the sealing ring when closed, which is convenient for the operator to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0022] Figure 2 A schematic diagram of the structure of one side of the mounting plate provided by the embodiment of the utility model;

[0023] Figure 3 A schematic diagram of the movement structure of the protective door body provided in the embodiment of the utility model;

[0024] Figure 4 The utility model embodiment provides Figure 3 The enlarged view of point A in the middle;

[0025] Figure 5 A schematic diagram of the internal structure of the mounting plate provided in the embodiment of the utility model;

[0026] Figure 6 The utility model embodiment provides Figure 5 The enlarged view of point B in the middle;

[0027] In the figure: 1. protection mechanism; 11. motor; 12. mounting frame; 13. mounting plate; 14. fixed shaft; 15. gear; 16. fixing frame; 17. tooth plate; 18. protection door body; 19. sealing ring; 2. mounting block; 21. limit frame; 22. groove; 23. connecting rod; 24. slide rail; 25. slide groove; 26. pulley; 27. bearing sleeve; 28. floor; 29. ​​PLC controller; 3. alarm. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 6The utility model provides a technical solution: a fire protection door, including an alarm 3, a PLC controller 29, a protection mechanism 1, a mounting plate 13 and a mounting frame 12. The protection mechanism 1 can make the protection door body 18 sealed without leaving any gaps, so as to prevent the entry of toxic smoke and not cause harm to the crowd. The mounting frame 12 is fixed to one side of the mounting plate 13. The protection mechanism 1 includes a motor 11, which is fixed to one side of the mounting frame 12. A fixed shaft 14 is provided at the output end of the motor 11, and a gear 15 is provided on the surface of the fixed shaft 14. A fixed frame 16 is slidably provided on one side of the mounting plate 13, and a toothed plate 17 is provided on one side of the fixed frame 16. A limiting frame 21 is provided on one side of the mounting plate 13, and a groove 22 is provided inside the limiting frame 21. The groove 22 is provided for a straight line to bend. A connecting rod 23 is provided inside the groove 22. The connecting rod 23 includes two groups of fixing rods, a limiting rod and a sliding rod. The two groups of fixing rods are respectively provided inside the mounting block 2 and at the bottom of the fixing frame 16. The sliding rod is provided on the surface of the two groups of fixing rods. A sliding rod is provided at the bottom of one group of fixing rods, and the sliding rod is provided inside the groove 22. By providing the connecting rod 23, when the fixing frame 16 moves, the protective door body 18 can be driven to move synchronously. The protective door body 18 and the sealing ring 19 are provided inside the mounting plate 13. By The protective door body 18, the motor 11, the fixed shaft 14, the gear 15, the toothed plate 17, the connecting rod 23, the fixed frame 16, the groove 22 and the sealing ring 19 cooperate with each other, so that when the operator needs to open the protective door body 18, the operator can first start the motor 11 to drive the fixed shaft 14 to rotate, and the fixed shaft 14 can drive the gear 15 to rotate, and the gear 15 can drive the toothed plate 17 to move. When the toothed plate 17 moves, it can move inside the groove 22 through the connecting rod 23. When the connecting rod 23 moves, it can drive the pulley 26 on the fixed frame 16 to slide inside the slide groove 25. Since the groove 22 is a curved rotation The straight line setting allows the protective door body 18 to be opened along the route of the groove 22. When the operator needs to close the protective door body 18, the operator can start the motor 11 to reverse, and the motor 11 drives the gear 15 to rotate, and the gear 15 drives the toothed plate 17 to move. At this time, since the groove 22 is a straight line to a curved setting, when the protective door body 18 moves to the curved part, it can drive the protective door body 18 to move to the inside of the mounting plate 13. At this time, the protective door body 18 can squeeze the sealing ring 19, so that the protective door body 18 can be sealed without leaving any gaps, which can prevent the entry of toxic smoke and will not cause harm to the crowd.

[0030] Reference Figure 1-Figure 6In a preferred embodiment, the alarm 3 and the PLC controller 29 are both arranged on the other side of the mounting plate 13, the PLC controller 29 can control the motor 11, the gear 15 is meshed with the tooth plate 17, two sets of symmetrical slide rails 24 are arranged on one side of the mounting plate 13, and a slide groove 25 is opened inside the slide rail 24. Pulleys 26 are arranged at the four corners of the fixed frame 16. By setting the pulley 26, the fixed frame 16 can be moved. The pulley 26 is arranged inside the slide groove 25. The four corners of the protective door body 18 are provided with mounting blocks 2, the connecting rod 23 is arranged inside the mounting block 2, and the other side of the connecting rod 23 is arranged on one side of the fixed frame 16. By setting the alarm 3 and the guide mark, the alarm 3 can sound an alarm when a fire occurs. At this time, when the operator needs to find this door, the operator can be guided to this door by observing the guide mark or listening to the alarm 3, so as to facilitate the operator to escape from danger, improve the safety of the operator, and facilitate the operator to use.

[0031] Reference Figure 1-Figure 6 In a preferred embodiment, a bearing sleeve 27 is provided on the other side of the mounting frame 12, and the fixed shaft 14 is connected to the bearing sleeve 27. An entrance is opened inside the mounting plate 13. By setting the entrance, it is convenient for the operator to escape. The size of the protective door body 18 is adapted to the size of the entrance, so that when the protective door body 18 moves, it can move along the curved route of the groove 22, so that the protective door body 18 can be inserted into the interior of the entrance and contact with the sealing ring 19, so that the protective door body 18 is sealed. The sealing ring 19 is arranged inside the entrance, and a floor 28 is arranged on the other side of the mounting plate 13.

[0032] Specifically, the working process or working principle of the fire protection door is as follows: in the specific fire protection door used, the usual protection door is generally an ordinary door, and such a protection door will not be able to close tightly due to thermal expansion and contraction when subjected to high temperature, which will cause poisonous smoke to float in through the door gap, causing great harm to the people behind the door, and it is inconvenient for the operator to use. Therefore, the technical solution can solve the above problem. When the operator needs to open the protection door body 18, the operator can first start the motor 11 to drive the fixed shaft 14 to rotate, and the fixed shaft 14 can drive the gear 15 to rotate, and the gear 15 can drive the tooth plate 17 to move. When the tooth plate 17 moves, it can be moved inside the groove 22 through the connecting rod 23. When the connecting rod 23 moves, it can drive the pulley 26 on the fixed frame 16 to slide inside the slide groove 25. Since the groove 22 is a curved straight line setting, the protection door body 18 can be opened. The door body 18 can be opened along the route of the groove 22. When the operator needs to close the protective door body 18, the operator can start the motor 11 to reverse, and the motor 11 drives the gear 15 to rotate, and the gear 15 drives the toothed plate 17 to move. At this time, since the groove 22 is a straight line to a curved setting, when the protective door body 18 moves to the curved part, it can drive the protective door body 18 to move to the inside of the mounting plate 13. At this time, the protective door body 18 can squeeze the sealing ring 19, so that the protective door body 18 can be sealed without leaving any gaps, which can prevent the entry of toxic smoke and will not cause harm to the crowd. When a fire occurs, the alarm 3 will sound an alarm. At this time, when the operator needs to find this door, the operator can observe the guide signs or listen to the alarm 3, so as to be guided to this door, which is convenient for the operator to escape from danger, improve the safety of the operator, and facilitate the operator to use. All processes are completed here.

[0033] It should be noted that the motor 11, the alarm 3 and the PLC controller 29 are all electrically connected to the external power supply and are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art. Their power supply, specific composition and principles are clear to those skilled in the art, so they will not be described in detail.

Claims

1. A fire protection door, comprising a mounting plate (13) and a mounting frame (12), wherein the mounting frame (12) is fixed to one side of the mounting plate (13), characterized in that: A protection mechanism (1), the protection mechanism (1) comprising a motor (11), the motor (11) being fixed to one side of a mounting frame (12), a fixed shaft (14) being provided at the output end of the motor (11), a gear (15) being provided on the surface of the fixed shaft (14), a fixed frame (16) being slidably provided on one side of the mounting plate (13), a toothed plate (17) being provided on one side of the fixed frame (16), a limit frame (21) being provided on one side of the mounting plate (13), a groove (22) being provided inside the limit frame (21), a connecting rod (23) being provided inside the groove (22), and a protection door body (18) and a sealing ring (19) being provided inside the mounting plate (13); An alarm (3) and a PLC controller (29), wherein the alarm (3) and the PLC controller (29) are both arranged on the other side of the mounting plate (13).

2. A fire protection door according to claim 1, characterized in that: The gear (15) is meshedly connected with the toothed plate (17), and two sets of symmetrical slide rails (24) are provided on one side of the mounting plate (13).

3. A fire protection door according to claim 2, characterized in that: A slide groove (25) is provided inside the slide rail (24), and pulleys (26) are provided at the four corners of the fixed frame (16).

4. A fire protection door according to claim 3, characterized in that: The pulley (26) is arranged inside the slide groove (25), and mounting blocks (2) are arranged at the four corners of the protective door body (18).

5. A fire protection door according to claim 4, characterized in that: The connecting rod (23) is arranged inside the mounting block (2), and the other side of the connecting rod (23) is arranged on one side of the fixing frame (16).

6. A fire protection door according to claim 1, characterized in that: A bearing sleeve (27) is provided on the other side of the mounting frame (12), and the fixed shaft (14) is connected to the bearing sleeve (27).

7. A fire protection door according to claim 5, characterized in that: An entrance is provided inside the mounting plate (13), and the size of the protective door body (18) is adapted to the size of the entrance.

8. A fire protection door according to claim 7, characterized in that: The sealing ring (19) is arranged inside the entrance, and a floor (28) is arranged on the other side of the mounting plate (13).

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