CN114033289A - Prevent fire door convenient to open and shut and sealing performance is good - Google Patents
Prevent fire door convenient to open and shut and sealing performance is good Download PDFInfo
- Publication number
- CN114033289A CN114033289A CN202111357517.2A CN202111357517A CN114033289A CN 114033289 A CN114033289 A CN 114033289A CN 202111357517 A CN202111357517 A CN 202111357517A CN 114033289 A CN114033289 A CN 114033289A
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- China
- Prior art keywords
- fireproof door
- cavity
- sets
- groups
- limiting
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/18—Sealing arrangements on wings or parts co-operating with the wings by means of movable edgings, e.g. draught sealings additionally used for bolting, e.g. by spring force or with operating lever
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a fireproof door convenient to open and close and good in sealing performance, which comprises a fireproof door body, wherein a cavity is formed in the fireproof door body, two groups of sliding grooves are symmetrically formed in the inner walls of the left side and the right side of the cavity, a limiting groove is formed in the inner wall of the cavity, a heat dissipation opening is formed in the outer surface of the fireproof door body, a handle is rotatably connected to the outer surface of the fireproof door body, one end of the handle is fixedly connected with a rotating shaft, a contraction assembly is arranged in the cavity, and two groups of moving blocks are arranged in the cavity. According to the invention, through the cooperative matching of the components, gaps generated by the installed fireproof door can be better blocked, so that the stability and integrity of the fireproof door can be better ensured, and the fireproof door can be opened more quickly when being opened through the arrangement of the contraction component, so that the opening time is saved, and the device has a simple structure and is skillful in design.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a fireproof door which is convenient to open and close and has good sealing performance.
Background
The fire door is a fire door in general meaning, and the fire door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fire partition which is arranged between fire partitions, evacuation staircases, vertical shafts and the like and has certain fire resistance.
And current fire door is at the in-process of installation use, thereby the fire door of installation completion all has certain distance apart from installation frame and ground at its upper and lower both ends, and these gaps do not have the device of shutoff, lead to when the conflagration takes place, not only the flue gas that the burning produced stretches through the gap very easily, but also the naked light that the burning produced also gets into evacuation passageway through the gap easily, toast the back of fire door, thereby can accelerate the reduction of fire door fire resistance, but also give personnel's evacuation and cause the difficulty, influence personnel's sparse speed, and carry out the fire door of shutoff to the gap a bit and lead to personnel to open when preventing fire door comparatively hard because of the frictional force that plugging device produced when opening and closing, waste time.
Disclosure of Invention
The invention aims to solve the problems that no gap plugging device is arranged and time is wasted during opening and closing in the prior art, and provides a fireproof door which is convenient to open and close and good in sealing performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fireproof door convenient to open and close and good in sealing performance comprises a fireproof door body, wherein a cavity is formed in the fireproof door body, two groups of sliding grooves are symmetrically formed in the inner walls of the left side and the right side of the cavity, limiting grooves are formed in the inner walls of the cavity, a heat dissipation opening is formed in the outer surface of the fireproof door body, the outer surface of the fireproof door body is rotatably connected with a handle, one end of the handle is fixedly connected with a rotating shaft, a contraction assembly is arranged in the cavity, and two groups of moving blocks are arranged in the cavity;
the retraction assembly comprises a first gear sleeved on the outer surface of the rotating shaft, the outer surface of the first gear is meshed and connected with a rack, a limiting block is fixedly mounted on one side surface of the rack, the outer surface of the rack is meshed and connected with a second gear, a driven shaft is inserted into the second gear, one end of the driven shaft is rotatably connected with the inner wall of the cavity, a rotating support is fixedly mounted at the other end of the driven shaft, first limiting rods are symmetrically mounted on the outer surface of the rotating support, connecting rods are arranged on the outer portions of the two groups of first limiting rods, and the pointing directions of the two groups of connecting rods are opposite;
the outer surface of the moving block is provided with a groove, the moving block is provided with a second limiting rod at one side face close to each other, the moving block is provided with a sliding block at the left side face and a sliding block at the right side face, the sliding block is provided with a sliding block at the left side face, the sliding block is provided with two telescopic rods at the bottom face, the springs are sleeved on the outer surfaces of the four telescopic rods, the four telescopic rods are provided with sealing plates at the upper ends of the two groups, inclined planes are formed in the outer surfaces of the sealing plates, and the outer surfaces of the sealing plates are bonded with rubber pads.
Preferably, one end of the rotating shaft penetrates through the outer surface of the fireproof door body and extends to the inside of the cavity, and one end of the rotating shaft is rotatably connected with the inner wall of the cavity.
Preferably, the limiting block is arranged inside the limiting groove, and the rack is in sliding fit with the limiting groove through the limiting block.
Preferably, one end of each of the two groups of connecting rods is sleeved on the outer surface of each of the two groups of first limiting rods, and the first limiting rods of the connecting rods are in sliding fit with each other.
Preferably, the two groups of second limiting rods are inserted into the other ends of the two groups of connecting rods, and the outer surfaces of the second limiting rods are attached to the inner walls of the other ends of the connecting rods.
Preferably, the four groups of sliding blocks are arranged inside the sliding groove, and the moving block is in sliding connection with the sliding groove through the sliding blocks.
Preferably, the ends, close to each other, of the four groups of springs are fixedly connected with the bottom surface of the groove, and the ends, far away from each other, of the springs are fixedly connected with the outer surface of the sealing plate.
Compared with the prior art, the invention provides the fireproof door which is convenient to open and close and has good sealing performance, and the fireproof door has the following beneficial effects:
1. according to the fireproof door, due to the arrangement of the telescopic rod, the spring and the sealing block, when the fireproof door is closed, the sealing block, the mounting frame and the bottom surface generate friction and are extruded, so that the sealing block moves into the groove and compresses the spring, and the sealing block can better block a gap generated in the mounting process through the counterforce generated by the spring;
2. according to the invention, the limiting groove, the limiting block and the rack are arranged, so that when the rack is driven to move, the moving path of the rack can not be deviated, and the position of the rack can be fixed;
3. according to the fireproof door, the handle, the first gear and the second gear are arranged, so that when the handle is rotated, the movable block is driven to contract through the meshing connection among the first gear, the rack and the second gear, and the fireproof door is convenient to open;
4. according to the invention, through the cooperative matching of the components, gaps generated by the installed fireproof door can be better blocked, so that the stability and integrity of the fireproof door can be better ensured, and the fireproof door can be opened more quickly when being opened through the arrangement of the contraction component, so that the opening time is saved, and the device has a simple structure and is skillful in design.
Drawings
Fig. 1 is a schematic front view of a fire door with good sealing performance and easy opening and closing according to the present invention;
figure 2 is a schematic front sectional view of a fire door with easy opening and closing and good sealing performance according to the present invention;
figure 3 is a schematic front cross-sectional view of a retraction assembly of a fire rated door of the present invention that is easy to open and close and has good sealing performance;
figure 4 is a schematic rear sectional view of a retraction assembly of the fire rated door of the present invention with easy opening and closing and good sealing performance;
fig. 5 is a schematic sectional view of a portion of the structure of the fire door of the present invention, which is easy to open and close and has good sealing performance.
In the figure: 1. a fire door body; 11. a cavity; 12. a chute; 13. a limiting groove; 2. a heat dissipation port; 3. a handle; 31. a rotating shaft; 4. a retraction assembly; 41. a first gear; 42. a rack; 43. a limiting block; 44. a second gear; 45. a driven shaft; 46. rotating the bracket; 47. a first limit rod; 48. a connecting rod; 5. a moving block; 51. a groove; 52. a second limiting rod; 53. a slider; 54. a telescopic rod; 55. a spring; 56. a sealing plate; 57. and (7) a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-5, a fireproof door with easy opening and closing and good sealing performance comprises a fireproof door body 1, a cavity 11 is formed inside the fireproof door body 1, two sets of sliding grooves 12 are symmetrically formed on the inner walls of the left and right sides of the cavity 11, so that a moving block 5 can move better, a limiting groove 13 is formed on the inner wall of the cavity 11 to limit and fix a rack 42, a heat dissipating port 2 is formed on the outer surface of the fireproof door body 1, when the fireproof door body 1 is baked, the heat inside the cavity 11 can be dissipated, so that the stability of the fireproof door body 1 is protected, a handle 3 is rotatably connected to the outer surface of the fireproof door body 1 to facilitate opening and closing the fireproof door body 1 and provide power for contracting the moving block 5, a rotating shaft 31 is fixedly connected to one end of the handle 3 to facilitate driving a first gear 41 to rotate, a contracting assembly 4 is arranged inside the cavity 11, two groups of moving blocks 5 are arranged in the cavity 11;
the contraction component 4 comprises a first gear 41 sleeved on the outer surface of the rotating shaft 31, and is convenient for driving a rack 42 meshed and connected with the first gear to move, the outer surface of the first gear 41 is meshed and connected with the rack 42 and used in cooperation with the first gear 41, and simultaneously can drive a second gear 44 to rotate, a limiting block 43 is fixedly installed on one side surface of the rack 42, not only is the position of the rack 42 fixed, but also the moving path of the rack 42 is fixed, the outer surface of the rack 42 is meshed and connected with the second gear 44 and used in cooperation with the rack 42, so that the rack 42 is driven to rotate when moving, and the driven shaft 45 is driven to start rotating, a driven shaft 45 is inserted into the second gear 44, the position of the second gear 44 is fixed, one end of the driven shaft 45 is rotatably connected with the inner wall of the cavity 11, and a rotating support 46 is fixedly installed at the other end of the driven shaft 45, in order to drive the driven shaft 45 to start synchronous rotation when rotating, so as to drive the connecting rods 48 to start rotating, the outer surface of the rotating bracket 46 is symmetrically provided with first limiting rods 47, in order to fix and limit the connecting rods 48 and avoid the falling phenomenon of the connecting rods 48, the connecting rods 48 are arranged outside the two groups of first limiting rods 47, in order to drive the moving block 5 to move, and the pointing directions of the two groups of connecting rods 48 are opposite;
the outer surfaces of the two groups of moving blocks 5 are provided with grooves 51, one side surfaces of the two groups of moving blocks 5 which are close to each other are fixedly provided with second limiting rods 52, the other ends of the two groups of connecting rods 48 are limited and fixed, the left and right side surfaces of the two groups of moving blocks 5 are both fixedly provided with sliding blocks 53, in order to ensure that the moving block 5 can move better, two groups of telescopic rods 54 are fixedly arranged on the bottom surfaces of the two groups of grooves 51, in order to limit the moving track of the sealing plate 56 when being squeezed and avoid deviation, the outer surfaces of the four groups of telescopic rods 54 are all sleeved with springs 55, the sealing plate 56 can better seal the gap by the counterforce generated by the spring 55, the upper ends of each two groups of the four groups of telescopic rods 54 are fixedly connected with the sealing plate 56, and the outer surface of seal plate 56 is seted up there is the inclined plane, and rubber pad 57 has all been glued to the surface of two sets of seal plate 56.
In this embodiment, when the fire door body 1 needs to be opened, the handle 3 is rotated, so that the rotating shaft 31 drives the first gear 41 to rotate, thereby driving the second gear 44 engaged with the rack 42 to rotate, in the rotating process of the second gear 44, the rotating bracket 46 fixedly installed at one end of the driven shaft 45 also starts to rotate synchronously, and drives the connecting rod 48 in sliding fit with the first limiting rod 47 to rotate, thereby driving the moving block 5 to move towards the inside of the cavity 11, so that the sealing plate 56 is separated from the mounting frame and the ground, thereby facilitating the faster opening of the fire door body 1, saving time, in the closing process of the fire door body 1, the sealing plate 56 receives an external acting force and further moves towards the inside of the groove 51, and compresses the telescopic rod 54 and the spring 55 in the moving process, after the closing is completed, the sealing plate 56 can move reversely by the reaction force generated by the spring 55, and the gap generated after the installation of the fireproof door body 1 is blocked by the rubber pad 57 adhered to the surface of the sealing plate, so that smoke and open fire generated in the case of fire are prevented from entering an evacuation channel through the gap, and the evacuation speed of people is ensured.
Example two
As shown in fig. 1 to 5, this embodiment is substantially the same as embodiment 1, and preferably, one end of the rotating shaft 31 penetrates through the outer surface of the fire door body 1 and extends to the inside of the cavity 11, and one end of the rotating shaft 31 is rotatably connected with the inner wall of the cavity 11.
In this embodiment, by providing the rotating shaft 31, the acting force applied to the handle 3 by a person can be transmitted to the rotating shaft 31, so as to drive the first gear 41 to rotate, thereby realizing the action of retracting the moving block 5.
EXAMPLE III
As shown in fig. 1 to 5, this embodiment is substantially the same as embodiment 1, and preferably, the stopper 43 is disposed inside the stopper groove 13, and the rack 42 is slidably engaged with the stopper groove 13 through the stopper 43.
In this embodiment, the limiting block 43 is provided, so that the moving path of the rack 42 can be fixed in the moving process, and the position of the rack 42 is also fixed.
Example four
As shown in fig. 1 to 5, in this embodiment, basically the same as embodiment 1, preferably, one end of each of the two sets of connecting rods 48 is sleeved on the outer surface of each of the two sets of first position-limiting rods 47, and the connecting rods 48 are in sliding fit with the first position-limiting rods 47.
In this embodiment, by providing the connecting rod 48, when the second gear 44 drives the rotating bracket 46 to rotate, the connecting rod 48 can be driven to rotate, so as to drive the moving block 5 to move.
EXAMPLE five
As shown in fig. 1 to 5, in this embodiment, basically the same as embodiment 1, preferably, two sets of second limiting rods 52 are inserted into the inside of the other ends of the two sets of connecting rods 48, and the outer surfaces of the second limiting rods 52 are attached to the inner walls of the other ends of the connecting rods 48.
In this embodiment, by providing the second limiting rod 52, when the connecting rod 48 rotates to drive the moving block 5 to move, the moving block 5 can be better driven to move, and the phenomenon that the connecting rod 48 and the moving block 5 drop off is avoided.
EXAMPLE six
As shown in fig. 1 to 5, in the present embodiment, basically the same as in embodiment 1, preferably, four sets of sliding blocks 53 are arranged inside the sliding chute 12, and the moving block 5 is connected with the sliding chute 12 in a sliding manner through the sliding blocks 53.
In this embodiment, by providing the slider 53, when the connecting rod 48 rotates to drive the moving block 5 to move, the connecting rod can move up and down synchronously, thereby avoiding the occurrence of the clamping phenomenon.
EXAMPLE seven
As shown in fig. 1 to 5, in this embodiment, the same as embodiment 1, preferably, the ends of the four sets of springs 55 close to each other are fixedly connected to the bottom surface of the groove 51, and the ends of the springs 55 far from each other are fixedly connected to the outer surface of the sealing plate 56.
In this embodiment, through setting up spring 55 for when preventing that fire door body 1 closes, closing plate 56 can produce the extrusion with installation frame and bottom surface, thereby can compress spring 55, makes spring 55 produce the reaction force, plugs the gap better.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The fireproof door convenient to open and close and good in sealing performance comprises a fireproof door body (1), and is characterized in that a cavity (11) is formed in the fireproof door body (1), two groups of sliding grooves (12) are symmetrically formed in the inner walls of the left side and the right side of the cavity (11), a limiting groove (13) is formed in the inner wall of the cavity (11), a heat dissipation opening (2) is formed in the outer surface of the fireproof door body (1), a handle (3) is rotatably connected to the outer surface of the fireproof door body (1), a rotating shaft (31) is fixedly connected to one end of the handle (3), a contraction assembly (4) is arranged in the cavity (11), and two groups of moving blocks (5) are arranged in the cavity (11);
the contraction assembly (4) comprises a first gear (41) sleeved on the outer surface of the rotating shaft (31), a rack (42) is connected to the outer surface of the first gear (41) in a meshed mode, a limiting block (43) is fixedly mounted on one side surface of the rack (42), a second gear (44) is connected to the outer surface of the rack (42) in a meshed mode, a driven shaft (45) is inserted into the second gear (44), one end of the driven shaft (45) is rotatably connected with the inner wall of the cavity (11), a rotating support (46) is fixedly mounted at the other end of the driven shaft (45), first limiting rods (47) are symmetrically mounted on the outer surface of the rotating support (46), connecting rods (48) are arranged outside the two groups of first limiting rods (47), and the two groups of connecting rods (48) are opposite in pointing direction;
the surface of two sets of movable block (5) all sets up fluted (51), and is two sets of the equal fixed mounting in a side that movable block (5) are close to each other has second gag lever post (52), and is two sets of the equal fixed mounting in the left and right sides face of movable block (5) has slider (53), and is two sets of the equal fixed mounting in bottom surface of recess (51) has two sets of telescopic links (54), and the surface of four sets of telescopic links (54) all overlaps and is equipped with spring (55), four sets of per two sets of equal fixedly connected with closing plate (56) in upper end in telescopic link (54), and the surface of closing plate (56) sets up inclined plane, and is two sets of the surface of closing plate (56) all bonds rubber pad (57).
2. The fire door capable of being opened and closed conveniently and having good sealing performance as claimed in claim 1, wherein one end of the rotating shaft (31) penetrates through the outer surface of the fire door body (1) and extends to the inside of the cavity (11), and one end of the rotating shaft (31) is rotatably connected with the inner wall of the cavity (11).
3. The fireproof door convenient to open and close and good in sealing performance according to claim 1, wherein the limiting block (43) is arranged inside the limiting groove (13), and the rack (42) is in sliding fit with the limiting groove (13) through the limiting block (43).
4. The fireproof door convenient to open and close and good in sealing performance according to claim 1, wherein one end of each of the two groups of connecting rods (48) is sleeved on the outer surface of each of the two groups of first limiting rods (47), and the first limiting rods (47) of the connecting rods (48) are in sliding fit.
5. The fireproof door convenient to open and close and good in sealing performance according to claim 1, wherein two groups of second limiting rods (52) are inserted inside the other ends of the two groups of connecting rods (48), and the outer surfaces of the second limiting rods (52) are attached to the inner walls of the other ends of the connecting rods (48).
6. The fireproof door convenient to open and close and good in sealing performance according to claim 1, wherein the four sets of sliding blocks (53) are all arranged inside the sliding groove (12), and the moving block (5) is in sliding connection with the sliding groove (12) through the sliding blocks (53).
7. The fireproof door with easy opening and closing and good sealing performance according to claim 1, wherein the ends of the four sets of springs (55) close to each other are fixedly connected with the bottom surface of the groove (51), and the ends of the springs (55) far away from each other are fixedly connected with the outer surface of the sealing plate (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357517.2A CN114033289A (en) | 2021-11-16 | 2021-11-16 | Prevent fire door convenient to open and shut and sealing performance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357517.2A CN114033289A (en) | 2021-11-16 | 2021-11-16 | Prevent fire door convenient to open and shut and sealing performance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114033289A true CN114033289A (en) | 2022-02-11 |
Family
ID=80144563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111357517.2A Withdrawn CN114033289A (en) | 2021-11-16 | 2021-11-16 | Prevent fire door convenient to open and shut and sealing performance is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114033289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072035A (en) * | 2023-10-19 | 2023-11-17 | 江苏城威人防设备有限公司 | Safe and reliable's airtight guard gate of using of reinforced concrete |
-
2021
- 2021-11-16 CN CN202111357517.2A patent/CN114033289A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117072035A (en) * | 2023-10-19 | 2023-11-17 | 江苏城威人防设备有限公司 | Safe and reliable's airtight guard gate of using of reinforced concrete |
| CN117072035B (en) * | 2023-10-19 | 2023-12-26 | 江苏城威人防设备有限公司 | Safe and reliable's airtight guard gate of using of reinforced concrete |
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Application publication date: 20220211 |