CN216130818U - Fire-resistant door with ventilation and smoke exhaust structure - Google Patents
Fire-resistant door with ventilation and smoke exhaust structure Download PDFInfo
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- CN216130818U CN216130818U CN202121876654.2U CN202121876654U CN216130818U CN 216130818 U CN216130818 U CN 216130818U CN 202121876654 U CN202121876654 U CN 202121876654U CN 216130818 U CN216130818 U CN 216130818U
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- bevel gear
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Abstract
The utility model discloses a fire-resistant door with a ventilation and smoke-exhaust structure, which comprises a door body, a first movable plate, a second movable plate and a movable window frame, wherein grooves are formed in the lower half parts of the front side and the rear side of the door body, a plurality of ventilation holes penetrating through the door body are formed in the grooves, one part of the ventilation holes are located in the lower half part of one side of each groove, the other part of the ventilation holes are located in the upper half part of the other side of each groove, the first movable plate is connected in the groove on the front side, the handle is connected to the front side of the first movable plate, the ventilation holes are formed in the lower half part of the first movable plate, the second movable plate is connected in the groove on the rear side, and the handle is connected to the rear side of the second movable plate. Has the advantages that: the fire-resistant door has the functions of ventilation and smoke exhaust, can ventilate the space in the door in ordinary use, keeps the air fresh, can exhaust smoke when a fire disaster happens, and reduces the danger of personnel in the door.
Description
Technical Field
The utility model relates to the technical field of fire-resistant doors, in particular to a fire-resistant door with a ventilation and smoke exhaust structure.
Background
The fire-resistant door is a door capable of meeting requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fire-resistant partition with certain fire resistance, such as a fire-resistant partition arranged between fire-resistant partitions, evacuation staircases, vertical shafts and the like.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above problems by providing a fire-resistant door having a ventilation and smoke evacuation structure.
The utility model realizes the purpose through the following technical scheme:
a fire-resistant door with a ventilation and smoke-exhaust structure comprises a door body, a first movable plate, a second movable plate and a movable window frame, wherein grooves are formed in the lower half parts of the front side and the rear side of the door body, the grooves are used for accommodating the first movable plate and the second movable plate, a plurality of ventilation holes penetrating through the door body are formed in the grooves and used for ventilation, one part of the ventilation holes are located in the lower half part of one side of each groove, the other part of the ventilation holes are located in the upper half part of the other side of each groove, the first movable plate is connected in the groove in the front side, the front side of the first movable plate is connected with a handle, the handle is convenient to move the first movable plate and the second movable plate, the ventilation holes are formed in the lower half part of the first movable plate, the second movable plate is connected in the groove in the rear side, and the first movable plate and the second movable plate are used for opening and closing the ventilation holes, the rear side of the second movable plate is connected with the handle, the ventilation hole is formed in the upper half portion of the second movable plate, the ventilation hole in the first movable plate and the second movable plate corresponds to the ventilation hole in the groove, the top of the first movable plate is connected with a first rack, the first rack is used for driving the first gear to rotate, the first rack is located in the door body, the inner wall of the front side of the door body is connected with a first gear, the first gear is located above the first rack, the first gear is meshed with the first rack, the top of the second movable plate is connected with a second rack, the second rack is used for driving the second gear to rotate, the second rack is located in the door body, the inner wall of the rear side of the door body is connected with a second gear, and the second gear is located above the second rack, the second gear is meshed with the second rack, the first gear is meshed with the second gear, the upper half part of the door body is provided with two window grooves, the window grooves penetrate through the door body, the two window grooves are arranged up and down, an observation window is arranged in the lower window groove and used for observing conditions on two sides of the door and is made of refractory glass, the movable window frame is connected in the upper window groove and used for driving the movable window frame to rotate, a movable window is arranged in the movable window frame and made of refractory glass, a window frame shaft is connected in the top end of the movable window frame and used for driving the movable window frame to rotate, two ends of the window frame shaft extend into the door body, one end of the window frame shaft is connected with a second driven bevel gear, the second driven gear is used for driving the window frame shaft to rotate, and the front side of the door body is connected with a rotating shaft, the rotating shaft is used for driving a first driving bevel gear to rotate, the rotating shaft penetrates through the door body and extends to the rear side of the door body, the front end and the rear end of the rotating shaft are both connected with rotating handles, the rotating handles are used for rotating the rotating shaft, a first driving bevel gear is sleeved on the rotating shaft and used for driving a first driven bevel gear to rotate, the first driving bevel gear is positioned inside the door body, a first driven bevel gear is meshed above the first driving bevel gear and used for driving a transmission shaft to rotate, the top of the first driven bevel gear is connected with a transmission shaft which is used for driving a second driving bevel gear to rotate, the top of the transmission shaft is connected with the inner top wall of the door body, a second driving bevel gear is sleeved on the upper end of the transmission shaft and used for driving the second driven bevel gear to rotate, the second driving bevel gear is meshed with the second driven bevel gear.
In the above structure, when ventilation is required, the handle can move the first movable plate to align the ventilation hole on the first movable plate with the ventilation hole on the groove, the first movable plate will drive the first rack to move when moving, the first rack will drive the first gear to rotate, the first gear will drive the second gear to rotate, the second gear will drive the second rack to move, the second rack will drive the second movable plate to move, the moving directions of the second movable plate and the first movable plate are opposite, so that the ventilation hole on the second movable plate is aligned with the ventilation hole on the other side of the groove to realize ventilation, the first movable plate can be moved by moving the second movable plate, and people on both sides of the door body can operate the door body, the use is convenient, if ventilation is not needed, the first movable plate or the second movable plate is moved to block the ventilation holes on the groove, at the moment, the groove also blocks the ventilation holes on the first movable plate and the second movable plate, ventilation is closed, if smoke exhaust is needed, the ventilation holes can be opened, meanwhile, the rotating shaft is rotated by any one of the rotating handles on the front side and the back side, the rotating shaft drives the first driving bevel gear to rotate, the first driving bevel gear drives the first driven bevel gear to rotate, the first driven bevel gear drives the transmission shaft to rotate, the transmission shaft drives the second driving bevel gear to rotate, the second driving bevel gear drives the second driven bevel gear to rotate, the window frame shaft drives the movable window frame to rotate, thereby enabling the movable window to rotate and realizing smoke exhaust.
Preferably, the first movable plate and the second movable plate are connected with the groove in a sliding mode, the handle is welded to the first movable plate and the second movable plate, the first rack is welded to the first movable plate, the second rack is welded to the second movable plate, and the first gear and the second gear are connected with the door body bearing.
Preferably, the rotating shaft is connected with the door body bearing, the rotating handle is welded with the rotating shaft, the first driving bevel gear is in key connection with the rotating shaft, the first driven bevel gear is in key connection with the transmission shaft, the transmission shaft is connected with the door body bearing, and the second driving bevel gear is in key connection with the transmission shaft.
Preferably, the movable window frame is in sliding connection with the door body, the window frame shaft is welded with the movable window frame, the window frame shaft is in bearing connection with the door body, and the second driven bevel gear is in shaft key connection with the window frame.
Has the advantages that: the fire-resistant door has the functions of ventilation and smoke exhaust, can ventilate the space in the door in ordinary use, keeps the air fresh, can exhaust smoke when a fire disaster happens, and reduces the danger of personnel in the door.
Drawings
FIG. 1 is a perspective view of a fire resistant door having a ventilation and smoke evacuation structure according to the present invention;
FIG. 2 is a front view of the internal structure of a fire-resistant door having a ventilation and smoke evacuation structure according to the present invention;
figure 3 is a front view of a first flap and a second flap of a fire-resistant door with a ventilation and smoke evacuation structure according to the present invention;
FIG. 4 is a right side elevational view of the internal structure of a fire resistant door having a ventilation and smoke evacuation structure in accordance with the present invention;
fig. 5 is a top view of the internal structure of a fire-resistant door having a ventilation and smoke evacuation structure according to the present invention.
The reference numerals are explained below: 1. a door body; 2. a groove; 3. a vent hole; 4. a first movable plate; 5. a handle; 6. turning a handle; 7. a rotating shaft; 8. an observation window; 9. a movable window frame; 10. a movable window; 11. a first drive bevel gear; 12. a first driven bevel gear; 13. a drive shaft; 14. a second drive bevel gear; 15. a second driven bevel gear; 16. a window frame shaft; 17. a second movable plate; 18. a first rack; 19. a first gear; 20. a second rack; 21. a second gear.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-5, a fire door with ventilation and smoke exhaust structure comprises a door body 1, a first movable plate 4, a second movable plate 17, and a movable window frame 9, wherein the lower halves of the front and rear sides of the door body 1 are respectively provided with a groove 2, the groove 2 is provided with a plurality of ventilation holes 3 penetrating through the door body 1, one part of the ventilation holes 3 is located at the lower half of one side of the groove 2, the other part of the ventilation holes 3 is located at the upper half of the other side of the groove 2, the first movable plate 4 is connected in the groove 2 at the front side, the front side of the first movable plate 4 is connected with a handle 5, the lower half of the first movable plate 4 is provided with a ventilation hole 3, the groove 2 at the rear side is connected with a second movable plate 17, the rear side of the second movable plate 17 is connected with a handle 5, the upper half of the second movable plate 17 is provided with a ventilation hole 3, the ventilation holes 3 on the first movable plate 4 and the second movable plate 17 correspond to the ventilation holes 3 on the groove 2, the top of the first movable plate 4 is connected with a first rack 18, the first rack 18 is positioned in the door body 1, the inner wall of the front side of the door body 1 is connected with a first gear 19, the first gear 19 is positioned above the first rack 18, the first gear 19 is meshed with the first rack 18, the top of the second movable plate 17 is connected with a second rack 20, the second rack 20 is positioned in the door body 1, the inner wall of the rear side of the door body 1 is connected with a second gear 21, the second gear 21 is positioned above the second rack 20, the second gear 21 is meshed with the second rack 20, the first gear 19 is meshed with the second gear 21, the upper half part of the door body 1 is provided with two window grooves, the window grooves penetrate through the door body 1, the two window grooves are arranged up and down, the inside of the lower window groove is provided with an observation window 8, the observation window 8 is made of refractory glass, the upper window groove is connected with a movable window frame 9, the movable window frame 9 is provided with a movable window 10, the movable window 10 is made of refractory glass, the top internal connection of activity window frame 9 has window frame axle 16, window frame axle 16 both ends are stretched into the door body 1 inside, the one end of window frame axle 16 is connected with second driven bevel gear 15, door body 1 front side is connected with pivot 7, pivot 7 runs through door body 1 and extends the door body 1 rear side, both ends all are connected with the commentaries on classics handle 6 around the pivot 7, the cover is equipped with first drive bevel gear 11 on the pivot 7, first drive bevel gear 11 is located inside the door body 1, first drive bevel gear 11 top meshing has first driven bevel gear 12, first driven bevel gear 12 top is connected with transmission shaft 13, transmission shaft 13 top is connected with door body 1 inside roof, transmission shaft 13 upper end cover is equipped with second drive bevel gear 14, second drive bevel gear 14 meshes with second driven bevel gear 15 mutually.
In the above structure, when ventilation is required, the handle 5 can move the first flap 4 to align the ventilation holes 3 on the first flap 4 with the ventilation holes 3 on the groove 2, when the first flap 4 moves, the first rack 18 is driven to move, the first rack 18 drives the first gear 19 to rotate, the first gear 19 drives the second gear 21 to rotate, the second gear 21 drives the second rack 20 to move, the second rack 20 drives the second flap 17 to move, the moving directions of the second flap 17 and the first flap 4 are opposite, so that the ventilation holes 3 on the second flap 17 are aligned with the ventilation holes 3 on the other side of the groove 2 to realize ventilation, the second flap 17 can be moved to move the first flap 4, and people on both sides of the door body 1 can operate, so that the ventilation device is convenient to use, if ventilation is not required, the first flap 4 or the second flap 17 can be moved to block the ventilation holes 3 on the groove 2, at this time, the ventilation holes 3 in the first movable plate 4 and the second movable plate 17 are blocked by the grooves 2, ventilation is closed, and smoke exhaust is performed if necessary, the ventilation holes 3 can be opened, meanwhile, the rotating shaft 7 is rotated by any one of the rotating handles 6 on the front side and the rear side, the rotating shaft 7 drives the first driving bevel gear 11 to rotate, the first driving bevel gear 11 drives the first driven bevel gear 12 to rotate, the first driven bevel gear 12 drives the transmission shaft 13 to rotate, the transmission shaft 13 drives the second driving bevel gear 14 to rotate, the second driving bevel gear 14 drives the second driven bevel gear 15 to rotate, the second driven bevel gear 15 drives the window frame shaft 16 to rotate, and the window frame shaft 16 drives the movable window frame 9 to rotate, so that the movable window 10 rotates, and smoke exhaust is achieved.
Preferably, the first movable plate 4 and the second movable plate 17 are slidably connected with the groove 2, the handle 5 is welded with the first movable plate 4 and the second movable plate 17, the first rack 18 is welded with the first movable plate 4, the second rack 20 is welded with the second movable plate 17, the first gear 19 and the second gear 21 are in bearing connection with the door body 1, the rotating shaft 7 is in bearing connection with the door body 1, the rotating handle 6 is welded with the rotating shaft 7, the first driving bevel gear 11 is in key connection with the rotating shaft 7, the first driven bevel gear 12 is in key connection with the transmission shaft 13, the transmission shaft 13 is in bearing connection with the door body 1, the second driving bevel gear 14 is in key connection with the transmission shaft 13, the movable window frame 9 is slidably connected with the door body 1, the window frame shaft 16 is welded with the movable window frame 9, the window frame shaft 16 is in bearing connection with the door body 1, and the second driven bevel gear 15 is in key connection with the window frame shaft 16.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A fire-resistant door with ventilation and smoke exhaust structure is characterized in that: the door comprises a door body (1), a first movable plate (4), a second movable plate (17) and a movable window frame (9), wherein grooves (2) are formed in the lower half parts of the front side and the rear side of the door body (1), a plurality of ventilation holes (3) penetrating through the door body (1) are formed in the grooves (2), one part of the ventilation holes (3) are formed in the lower half part of one side of each groove (2), the other part of the ventilation holes (3) are formed in the upper half part of the other side of each groove (2), the front side of each groove (2) is connected with the first movable plate (4), the front side of the first movable plate (4) is connected with a handle (5), the ventilation holes (3) are formed in the lower half part of the first movable plate (4), the rear side of each groove (2) is connected with the second movable plate (17), the rear side of the second movable plate (17) is connected with the handle (5), the ventilation hole (3) is formed in the upper half part of the second movable plate (17), the ventilation hole (3) in the first movable plate (4) and the second movable plate (17) corresponds to the ventilation hole (3) in the groove (2), the top of the first movable plate (4) is connected with a first rack (18), the first rack (18) is located in the door body (1), the inner wall of the front side of the door body (1) is connected with a first gear (19), the first gear (19) is located above the first rack (18), the first gear (19) is meshed with the first rack (18), the top of the second movable plate (17) is connected with a second rack (20), the second rack (20) is located in the door body (1), the inner wall of the rear side of the door body (1) is connected with a second gear (21), the second gear (21) is positioned above the second rack (20), the second gear (21) is meshed with the second rack (20), the first gear (19) is meshed with the second gear (21), the upper half part of the door body (1) is provided with two window grooves, the window grooves penetrate through the door body (1), the two window grooves are arranged up and down, an observation window (8) is arranged in the lower window groove, the observation window (8) is made of refractory glass, the movable window frame (9) is connected in the upper window groove, a movable window (10) is arranged in the movable window frame (9), the movable window (10) is made of refractory glass, a window frame shaft (16) is connected to the top end of the movable window frame (9), two ends of the window frame shaft (16) extend into the door body (1), one end of the window frame shaft (16) is connected with a second driven bevel gear (15), the utility model discloses a door body (1) front side is connected with pivot (7), pivot (7) run through the door body (1) extends door body (1) rear side, both ends all are connected with around pivot (7) and change handle (6), the cover is equipped with first drive bevel gear (11) on pivot (7), first drive bevel gear (11) are located inside door body (1), first drive bevel gear (11) top meshing has first driven bevel gear (12), first driven bevel gear (12) top is connected with transmission shaft (13), transmission shaft (13) top with the roof is connected in door body (1), the cover is equipped with second drive bevel gear (14) on transmission shaft (13), second drive bevel gear (14) with second driven bevel gear (15) mesh mutually.
2. A fire-resistant door with ventilation and smoke evacuation structure as claimed in claim 1, wherein: the first movable plate (4) and the second movable plate (17) are in sliding connection with the groove (2), the handle (5) is welded with the first movable plate (4) and the second movable plate (17), the first rack (18) is welded with the first movable plate (4), the second rack (20) is welded with the second movable plate (17), and the first gear (19) and the second gear (21) are in bearing connection with the door body (1).
3. A fire-resistant door with ventilation and smoke evacuation structure as claimed in claim 1, wherein: the rotating shaft (7) is in bearing connection with the door body (1), the rotating handle (6) is welded with the rotating shaft (7), the first driving bevel gear (11) is in key connection with the rotating shaft (7), the first driven bevel gear (12) is in key connection with the transmission shaft (13), the transmission shaft (13) is in bearing connection with the door body (1), and the second driving bevel gear (14) is in key connection with the transmission shaft (13).
4. A fire-resistant door with ventilation and smoke evacuation structure as claimed in claim 1, wherein: the movable window frame (9) is connected with the door body (1) in a sliding mode, the window frame shaft (16) is welded with the movable window frame (9), the window frame shaft (16) is connected with the door body (1) through a bearing, and the second driven bevel gear (15) is connected with the window frame shaft (16) in a key mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876654.2U CN216130818U (en) | 2021-08-12 | 2021-08-12 | Fire-resistant door with ventilation and smoke exhaust structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121876654.2U CN216130818U (en) | 2021-08-12 | 2021-08-12 | Fire-resistant door with ventilation and smoke exhaust structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216130818U true CN216130818U (en) | 2022-03-25 |
Family
ID=80769901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121876654.2U Active CN216130818U (en) | 2021-08-12 | 2021-08-12 | Fire-resistant door with ventilation and smoke exhaust structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216130818U (en) |
-
2021
- 2021-08-12 CN CN202121876654.2U patent/CN216130818U/en active Active
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