Sealed fireproof door observation window structure

Abstract

The utility model relates to the technical field of fireproof doors, and discloses a sealing type fireproof door observation window structure which comprises a fireproof door body, an observation opening is formed in the middle of the fireproof door body, observation glass is installed in the observation opening, scraping assemblies are connected to the two sides of the observation glass, and telescopic assemblies are connected to the same sides of the two scraping assemblies. The ends, away from the scraping assembly, of the two telescopic assemblies are connected with a driving assembly, and the driving assembly is located in the fireproof door body. According to the sealing type fireproof door observation window structure, through the driving assembly and the telescopic assembly, the scraping assembly can be driven to scrape smoke dust, dust and the like attached to the surface of the observation glass, so that the smoke dust is prevented from being attached to the observation glass in the fire disaster period, and it is ensured that the fire disaster situation can be clearly observed through the observation glass.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire door technology field, concretely is a sealed type fire door observation window structure. BACKGROUND

[0002] The observation window on the fire door is a component designed specifically for safety needs, aiming to allow people to observe the situation on the other side without opening the fire door, while maintaining its fireproof performance. To meet this function, the design and material selection of the observation window must strictly follow specific fire resistance standards. The glass of such windows is usually composed of multiple layers of composite materials, such as tempered glass combined with a thermal insulation layer. This structure can maintain the integrity of the glass in high-temperature environments and effectively block the transfer of heat, thereby providing adequate protection in the event of a fire.

[0003] The patent with the current announcement number CN217581906U discloses a sealed type fire door observation window structure, which includes a window body installed on a door leaf, a window frame including side frames corresponding to both sides of the window body, the side frames including clamping window body side bending plates, the window frame including an installation plate fixed to the door leaf, the connecting plates corresponding to both side frames are parallel to each other and have screw holes penetrating through them, the installation plate is attached to the door leaf and has an installation slot, and a rubber pad layer is installed between the window body side and the window frame, with the cross-section of the rubber pad layer being shaped like a Chinese character "fang". The window frame includes side frames, the side frames are provided with connecting plates, the connecting plates are used for fixing the side frames, the side frames are pressed towards the window body through the screw tightening action, the installation of the window body is more stable, the addition of the rubber pad layer is beneficial to improving the sealing performance, reducing the use of sealant, and avoiding the problem of aging and falling off of the sealant after a long time.

[0004] However, the observation window in the above-mentioned technology still has the following problems: when a fire occurs, a large amount of smoke is often generated. Once these dense smoke comes into contact with the observation window on the fire door, smoke particles will adhere to it, forming a shielding layer, which will hinder clear observation of the actual situation of the fire through the observation window, affecting accurate judgment of the fire situation. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model provides a sealed type fire door observation window structure, which can ensure that the observation window can continuously provide clear perspective observation during a fire.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a sealed type fire door observation window structure, including a fire door body, an observation port is arranged at the middle position of the fire door body, an observation glass is installed in the observation port, a scraping assembly is connected to both sides of the observation glass, an extension assembly is connected to the same side of the two scraping assemblies, a driving assembly is connected to the end of the two extension assemblies away from the scraping assemblies, and the driving assembly is located in the fire door body.

[0007] Further, the scraping assembly comprises a scraping strip and a connecting plate, the scraping strip is arranged against the surface of the observation glass, and the side of the scraping strip away from the observation glass is fixedly connected with the connecting plate; and the two ends of the connecting plate are connected with the telescopic assembly.

[0008] Further, the telescopic assembly comprises two telescopic rods, the upper and lower ends of the one side of the observation port are provided with telescopic holes, the two telescopic rods are slidably connected with the two telescopic holes respectively, one end of each of the two telescopic rods is connected with the two ends of the connecting plate respectively, and the other end of each of the two telescopic rods is connected with the driving assembly.

[0009] Further, the driving assembly comprises a pushing plate and a telescopic device, the side of the fireproof door body, which is close to the telescopic hole, is internally provided with a sliding cavity, the four corners of the sliding cavity are communicated with the four telescopic holes respectively, the pushing plate is slidably connected with the sliding cavity, the four corners of the pushing plate are fixedly connected with the ends of the four telescopic rods away from the observation glass respectively, the side of the sliding cavity away from the observation glass is provided with a mounting cavity, the telescopic device is fixedly connected with the mounting cavity, and the telescopic end of the telescopic device is fixedly connected with the middle position of the pushing plate.

[0010] Further, the two ends of the connecting plate are provided with turnover grooves on the sides close to the two telescopic rods respectively, the two turnover grooves are fixedly connected with turnover shafts respectively, the ends of the two telescopic rods close to the connecting plate are slidably connected with the two turnover grooves respectively, the inner sides of the two telescopic rods close to the adjacent turnover grooves are provided with turnover holes respectively, the inner sides of the turnover holes are provided with spring grooves respectively, the turnover shafts are rotatably connected with the adjacent turnover grooves, the spring grooves are connected with torsional springs, the torsional springs are sleeved with the adjacent turnover shafts, and the two ends of each torsional spring are fixedly connected with the turnover shaft and the turnover groove respectively.

[0011] Further, the side of the observation port close to the telescopic hole is provided with a matching groove, the two ends of the matching groove are communicated with the adjacent two telescopic holes respectively, and the matching groove is slidably connected with the end of the connecting plate close to the turnover groove.

[0012] Further, the inner wall of the observation port is fixedly connected with two smoke sensors, and the two smoke sensors are located on the inner and outer sides of the fireproof door body respectively.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The sealing type fireproof door observation window structure can drive the scraping assembly to scrape away the smoke dust and dust attached to the surface of the observation glass through the driving assembly and the telescopic assembly, so that the smoke dust is prevented from being attached to the observation glass during the fire, and the fire situation can be clearly observed through the observation glass. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall appearance connection structure of the utility model;

[0016] Figure 2The utility model discloses a fireproof door body of observation port position is the schematic diagram of section view;

[0017] Figure 3 Another form connection structure schematic diagram based on the utility model discloses a fireproof door body of observation port position is the schematic diagram of section view; Figure 2

[0018] Figure 4 The utility model discloses a fireproof door body of observation port position is the schematic diagram of section view; Figure 2

[0019] Figure 5 The utility model discloses a fireproof door body of observation port position is the schematic diagram of section view from another angle;

[0020] Figure 6 The utility model discloses a fireproof door body of observation port position is the schematic diagram of section view of connecting plate and telescopic rod connection structure part;

[0021] Figure 7 The utility model discloses a fireproof door body of observation port position is the schematic diagram of section view of connecting plate and telescopic rod connection structure part; Figure 6

[0022] In the drawing: 1, fireproof door body;2, observation glass;3, scrape strip;4, connecting plate;5, telescopic rod;6, push plate;7, telescopic ware;8, turnover shaft;9, torsional spring;10, smoke induction head;101, observation port;102, telescopic hole;103, slide cavity;104, installation cavity;105, fit groove;401, turnover groove;501, turnover hole;502, spring groove. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1 to 7 A sealed fireproof door observation window structure, including fireproof door body 1, the middle position of fireproof door body 1 is equipped with observation port 101, and observation glass 2 is installed in observation port 101, and both sides of observation glass 2 are connected with scraping assembly, and the same side of two scraping assemblies is connected with telescopic assembly, and the end of two telescopic assemblies away from scraping assembly is connected with driving assembly, and driving assembly is located in fireproof door body 1.

[0025] As Figures 1 to 7 Indicated, a sealed fireproof door observation window structure in the utility model is similar to the existing sealed fireproof door structure, and the main improvement point of the utility model is that the clarity of observation window can be kept during fire, and the fire situation can be observed smoothly through observation window, as Figures 1 to 7 ​​​As shown, the sealing type fire door observation window structure in the utility model can scrape off the smoke dust attached to the inside or outside of the observation glass 2 when the fire occurs, so that the perspective effect of the observation glass 2 is maintained, and the fire situation on the other side of the fire door body 1 can be observed through the observation window, the scraping assembly is arranged on both sides, and the clarity of the observation glass 2 can be ensured regardless of the fire on any side of the fire door body 1.

[0026] As shown in the figure, Figures 1 to 7 The scraping assembly comprises a scraping strip 3 and a connecting plate 4, the scraping strip 3 abuts against the surface of the observation glass 2, one side of the scraping strip 3 away from the observation glass 2 is fixedly connected with the connecting plate 4, and the two ends of the connecting plate 4 are connected with the telescopic assembly. When the telescopic assembly moves telescopically, the connecting plate 4 and the scraping strip 3 are driven to move reciprocatingly transversely outside the observation glass 2, and then the scraping strip 3 abutting against the outside of the observation glass 2 scrapes off the smoke dust attached to the outside of the observation glass 2 from the surface of the observation glass 2.

[0027] As shown in the figure, Figures 1 to 7 The telescopic assembly comprises two telescopic rods 5, the upper and lower ends of one side of the observation port 101 are provided with telescopic holes 102, the two telescopic rods 5 are slidably connected with the two telescopic holes 102 respectively, one end of each of the two telescopic rods 5 is connected with the two ends of the connecting plate 4 respectively, and the other end of each of the two telescopic rods 5 is connected with the driving assembly. The driving assembly is connected with the two ends of the connecting plate 4 through the two telescopic rods 5, so that the reciprocating transverse movement of the connecting plate 4 is more stable and is not prone to tilting.

[0028] As shown in the figure, Figures 1 to 7 The driving assembly comprises a pushing plate 6 and a telescopic device 7. The side, close to the telescopic hole 102, of the fire door body 1 is internally provided with a sliding cavity 103, the four corners of the sliding cavity 103 are communicated with the four telescopic holes 102 respectively, the pushing plate 6 is slidably connected with the sliding cavity 103, the four corners of the pushing plate 6 are fixedly connected with the ends of the four telescopic rods 5 away from the observation glass 2 respectively, the side, away from the observation glass 2, of the sliding cavity 103 is provided with a mounting cavity 104, the telescopic device 7 is fixedly connected with the mounting cavity 104, the telescopic device 7 is fixedly connected with the mounting cavity 104, and the telescopic end of the telescopic device 7 is fixedly connected with the middle position of the pushing plate 6. The telescopic device 7 drives the pushing plate 6 to move reciprocatingly transversely in the sliding cavity 103, and then synchronously drives the four telescopic rods 5 to move telescopically in the corresponding telescopic holes 102, so that the scraping and cleaning operation on the surface of the observation glass 2 is completed, and the telescopic device 7 can be a high-temperature-resistant electric push rod, so that the scraping and cleaning operation can be performed when the fire occurs and the fire door body 1 is affected by the fire and heats up.

[0029] As Figure 6 And Figure 7 As shown in the figure, the two ends of the connecting plate 4 are provided with a turnover groove 401 near one side of the two telescopic rods 5, the two turnover grooves 401 are fixedly connected with a turnover shaft 8, the one end of the two telescopic rods 5 near the connecting plate 4 is slidably connected with the two turnover grooves 401 respectively, the inner side of the two turnover grooves 401 near the adjacent turnover groove 401 is provided with a turnover hole 501, the inner side of the turnover hole 501 is provided with a spring groove 502, the turnover shaft 8 is rotatably connected with the adjacent turnover groove 401, the spring groove 502 is connected with a torsion spring 9, the torsion spring 9 is sleeved with the adjacent turnover shaft 8, and the two ends of the torsion spring 9 are fixedly connected with the turnover shaft 8 and the turnover groove 401 respectively. The torsion spring 9 always provides a rotating torsion force for the turnover shaft 8, and the connecting plate 4 always makes the scraping strip 3 abut against the surface of the observation glass 2, thereby improving the scraping and cleaning effect on the surface of the observation glass 2.

[0030] As Figures 2 to 4 As shown in the figure, the observation port 101 is provided with a matching groove 105 near one side of the telescopic hole 102, the two ends of the matching groove 105 are respectively communicated with the adjacent two telescopic holes 102, and the matching groove 105 is slidably connected with one end of the connecting plate 4 near the turnover groove 401. When the scraping and cleaning of the surface of the observation glass 2 is not needed, the end of the connecting plate 4 away from the scraping strip 3 is retracted into the matching groove 105, so that the shielding of the connecting plate 4 and the scraping strip 3 on the observation glass 2 can be reduced as much as possible, and the observable area of the observation glass 2 is improved.

[0031] As Figure 1 As shown in the figure, the inner wall of the observation port 101 is fixedly connected with two smoke sensing heads 10, and the two smoke sensing heads 10 are respectively located on the inner and outer sides of the fireproof door body 1. By installing the smoke sensing head 10, whether there is smoke at the position of the observation port 101 can be sensed, so that when the fire smoke spreads to the position of the observation port 101, the telescopic device 7 is started in the first time to scrape and clean the surface of the observation glass 2.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model.

Claims

1. A sealed fire door window structure, comprising a fire door body (1), a viewing port (101) is arranged in the middle of the fire door body (1), and a viewing glass (2) is installed in the viewing port (101), characterized in that: Both sides of the observation glass (2) are connected with scraping assemblies, the same side of the two scraping assemblies is connected with telescopic assemblies, the ends of the two telescopic assemblies away from the scraping assemblies are connected with driving assemblies, and the driving assemblies are located in the fireproof door body (1).

2. A sealed fire door viewer structure according to claim 1, wherein: The scraping assembly comprises a scraping strip (3) and a connecting plate (4), the scraping strip (3) is abutted against the surface of the observation glass (2), one side of the scraping strip (3) away from the observation glass (2) is fixedly connected with the connecting plate (4), and both ends of the connecting plate (4) are connected with the telescopic assemblies.

3. A sealed fire door viewer structure according to claim 2, wherein: The telescopic assembly comprises two telescopic rods (5), the upper and lower ends of one side of the observation port (101) are provided with telescopic holes (102), the two telescopic rods (5) are slidably connected with the two telescopic holes (102) respectively, one end of each of the two telescopic rods (5) is connected with one end of the connecting plate (4), and the other end of each of the two telescopic rods (5) is connected with the driving assembly.

4. A sealed fire door viewer structure according to claim 3, wherein: The driving assembly comprises a pushing plate (6) and a telescopic device (7), the side of the fireproof door body (1) close to the telescopic hole (102) is internally provided with a sliding cavity (103), the four corners of the sliding cavity (103) are respectively communicated with the four telescopic holes (102), the pushing plate (6) is slidably connected with the sliding cavity (103), the four corners of the pushing plate (6) are fixedly connected with the ends of the four telescopic rods (5) away from the observation glass (2), the side of the sliding cavity (103) away from the observation glass (2) is provided with a mounting cavity (104), the telescopic device (7) is fixedly connected with the mounting cavity (104), and the telescopic end of the telescopic device (7) is fixedly connected with the middle position of the pushing plate (6).

5. A sealed fire door viewer structure according to claim 3 or 4, wherein: Both ends of the connecting plate (4) are provided with turnover grooves (401) on the sides close to the two telescopic rods (5), the two turnover grooves (401) are fixedly connected with turnover shafts (8) respectively, one end of each of the two telescopic rods (5) is slidably connected with the two turnover grooves (401) respectively, the inner sides of the two telescopic rods (5) close to the adjacent turnover grooves (401) are provided with turnover holes (501), the inner sides of the turnover holes (501) are provided with spring grooves (502), the turnover shaft (8) is rotatably connected with the adjacent turnover groove (401), the spring groove (502) is connected with a torsional spring (9), the torsional spring (9) is sleeved with the adjacent turnover shaft (8), and the two ends of the torsional spring (9) are fixedly connected with the turnover shaft (8) and the turnover groove (401) respectively.

6. A sealed fire door viewer structure according to claim 5, wherein: The side of the observation port (101) close to the telescopic hole (102) is provided with a matching groove (105), the two ends of the matching groove (105) are respectively communicated with the adjacent two telescopic holes (102), and the matching groove (105) is slidably connected with one end of the connecting plate (4) close to the turnover groove (401).

7. A sealed fire door viewer structure according to claim 1, 2, 3, 4 or 6, wherein: The inner wall of the observation port (101) is fixedly connected with two smoke sensing heads (10), and the two smoke sensing heads (10) are located on the inner and outer sides of the fireproof door body (1) respectively.

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