CN221032263U - Air-tight door - Google Patents
Air-tight door Download PDFInfo
- Publication number
- CN221032263U CN221032263U CN202322719917.4U CN202322719917U CN221032263U CN 221032263 U CN221032263 U CN 221032263U CN 202322719917 U CN202322719917 U CN 202322719917U CN 221032263 U CN221032263 U CN 221032263U
- Authority
- CN
- China
- Prior art keywords
- door
- groove
- rubber strip
- sealing rubber
- control rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model provides an airtight door with the following structure: the door comprises a door body and a door frame, wherein the door body is hinged on the door frame; the bottom of the door body is provided with a groove, and a door bottom sealing device is arranged in the groove; the door bottom sealing device comprises a door bottom sealing device vertical driving assembly and a sealing rubber strip, wherein the vertical driving assembly is arranged in a groove, the sealing rubber strip is movably connected to the opening of the groove, and the vertical driving assembly is connected with the sealing rubber strip and is used for driving the free end of the sealing rubber strip to extend out of or retract into the groove; the vertical driving assembly comprises a control rod, one end of the control rod radially extends out of the door body and is used for propping against the door frame so as to control the vertical driving assembly to drive the sealing rubber strip to slide up and down. When the door body is closed, the control rod is abutted against the door frame, the vertical driving assembly is controlled to drive the sealing rubber strip to move downwards, and the sealing rubber strip extends out of the groove to be abutted against the ground, so that the tightness after the door is closed can be ensured; when the door body is opened, the sealing rubber strip is separated from the ground and is retracted into the groove, so that the smoothness of door opening is ensured.
Description
Technical Field
The utility model relates to the technical field of door structures, in particular to an airtight door.
Background
A door is a device installed at an entrance of a building, and can connect and block the entrance of two or more spaces. Fire doors are often installed in critical locations of a building to improve the fire safety performance of the building. The fireproof door can meet the requirements of fire resistance stability, integrity and heat insulation in a certain time, has the function of preventing fire from spreading besides the function of a common door, and can prevent fire from spreading in a certain time so as to ensure personnel evacuation.
When fire breaks out in the building, a large amount of smoke is usually generated, so that the vision is affected when people escape, and people can be choked easily. In order to prevent the diffusion of smoke, the fireproof door needs to ensure certain air tightness, so that the spread of fire is prevented, and the diffusion of smoke is prevented.
Therefore, people set up joint strip on the door frame, and the edge of the door body contacts with joint strip when closing the door, can play good sealed effect. However, in order to facilitate the opening and closing of the door, the bottom of the door body must remain in an existing gap with the ground, which results in a great reduction in the tightness of the door; in order to prevent flue gas from entering from the gap at the bottom of the door, flexible adhesive tape can be additionally arranged at the bottom of the door to some airtight fireproof doors so as to achieve the effect of complete sealing. However, the adhesive tape at the bottom of the airtight fireproof door can rub with the ground when the door is opened and closed, so that the door is blocked, the door is inconvenient to open and close, the adhesive tape is severely worn after the door is opened and closed for a long time, the contact with the ground is not tight, and the risk of smoke leakage still exists.
Disclosure of utility model
The utility model aims to solve the technical problems that: overcomes the defects of the prior art and provides an airtight door with good sealing performance.
The technical scheme of the utility model is that an airtight door with the following structure is provided:
The door comprises a door body and a door frame, wherein one side wall of the door body is hinged to the door frame; the bottom of the door body is provided with a groove extending along the length direction of the door body, and a door bottom sealing device is arranged in the groove; the door bottom sealing device comprises a vertical driving assembly and a sealing rubber strip, wherein the vertical driving assembly is arranged in the groove, the sealing rubber strip is movably connected to the opening of the groove and can slide up and down along the height direction of the groove, and the output end of the vertical driving assembly is connected with the sealing rubber strip and is used for driving the free end of the sealing rubber strip to extend out of or retract into the groove; the vertical driving assembly comprises a control rod, and one end of the control rod radially extends out of the door body and is used for propping against the door frame to control the vertical driving assembly to drive the sealing rubber strip to slide up and down.
After adopting above structure, the airtight door of the utility model has the following advantages compared with the prior art:
When the door body is closed, the control rod is abutted against the door frame, the vertical driving assembly is controlled to drive the sealing rubber strip to move downwards, the free end of the sealing rubber strip extends out of the groove to be abutted against the ground, and the tightness after the door is closed can be ensured; when the door body is opened, the control rod is far away from the door frame, the vertical driving assembly drives the sealing rubber strip to move upwards, the free end of the sealing rubber strip is separated from the ground to be in contact with the ground and retract into the groove, so that smoothness of opening the door is ensured, abrasion of the sealing rubber strip can be reduced, and sealing effect is improved.
Preferably, the vertical driving assembly further comprises a fixed plate, a guide rod, a driving block and a first spring; the fixing plate is fixedly connected in the groove, a guide hole vertically penetrating through the upper end face and the lower end face of the fixing plate is formed in the fixing plate, the guide rod is connected in the guide hole in a sliding mode, and the upper end and the lower end of the guide rod are respectively connected with the driving block and the sealing rubber strip; the first spring is sleeved on the guide rod, and two ends of the first spring are respectively propped against the driving block and the fixing plate; the door body is provided with a radial through hole communicated with the groove on one end face facing the door frame, and the position of the radial through hole corresponds to the position of the driving block; the control rod is connected in the radial through hole in a sliding way; the driving block is provided with a first inclined plane towards one side wall of the control rod, one end of the control rod extends into the groove and abuts against the first inclined plane, and the other end of the control rod extends to the outer side of the radial through hole and is used for abutting against the door frame.
When the door body is closed, one end of the control rod is propped against the door frame, and after being stressed, the other end of the control rod moves into the groove along the length direction of the radial through hole and pushes the driving block to move downwards; meanwhile, the driving block overcomes the elasticity of the first spring, and drives the sealing rubber strip to move downwards through the guide rod, and the free end of the sealing rubber strip extends out of the groove to prop against the ground, so that the tightness after the door is closed can be ensured; when the door body is opened, the control rod is far away from the door frame, the force applied to the control rod is withdrawn, under the action of the elastic force of the first spring, the sealing rubber strip and the driving block move upwards, the free end of the sealing rubber strip is separated from the ground and is retracted into the groove, and meanwhile, the driving block pushes the control rod to reset, so that the smoothness of door opening is guaranteed, and the abrasion of the sealing rubber strip is reduced.
Preferably, a second inclined plane is arranged at one end of the control rod facing the driving block, and the second inclined plane and the first inclined plane are mutually parallel. This allows better pushing of the drive block down by the control lever.
Preferably, one end of the control rod, which is positioned outside the radial through hole, is connected with a silica gel head. The silica gel head material is softer, can reduce the impact to the door frame when closing the door, can also reduce noise when avoiding causing the damage to the door frame.
Preferably, the control rod is sleeved with a second spring, one end of the second spring is connected with the inner wall of the radial through hole, and the other end of the second spring abuts against the silica gel head. In the process of opening the door, the second spring can better assist the control rod to reset.
Preferably, the number of the vertical driving components is two, and the vertical driving components are respectively arranged at two ends of the groove.
Preferably, the sealing rubber strip is hollow. The hollow sealing rubber strip can have larger deformation quantity, and can be better contacted with the ground when being extruded, so that the sealing effect is improved.
Preferably, a containing cavity is arranged in the door body, and a fireproof core plate is filled in the containing cavity. The door body can be made into a front part and a rear part, and the inside of the door body is hollow and is used for filling the fireproof core plate, so that a better heat insulation effect can be achieved; the fireproof core board can be a silicon-calcium fireproof board or a glass-magnesium fireproof board, and has good fireproof and heat-insulating effects.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model in the front view direction.
Fig. 2 is a schematic view of the structure of the utility model in the rear view direction.
Fig. 3 is a semi-sectional view of the present utility model.
Fig. 4 is a longitudinal cross-sectional view of the present utility model.
Fig. 5 is an enlarged view of a portion a in fig. 3.
Fig. 6 is an enlarged view of a portion B of fig. 4.
Reference numerals illustrate:
1. The door body, 11, recess, 12, radial through-hole, 2, vertical drive assembly, 21, control rod, 22, fixed plate, 23, guide bar, 24, drive piece, 25, first spring, 26, silica gel head, 27, second spring, 3, joint strip, 4, fire prevention core.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, while the terms "first", "second", etc. are merely names for distinguishing the respective components, and have no major and minor relationships, and thus should not be construed as limiting the present utility model.
As shown in fig. 1, 2, 3, 4, 5 and 6;
The utility model discloses an airtight door, which comprises: comprising a door body 1 and a door frame (not shown in the figure), wherein one side wall of the door body 1 is hinged on the door frame. The bottom of the door body 1 is provided with a groove 11 extending along the length direction, and a door bottom sealing device is arranged in the groove 11.
The door bottom sealing device comprises a vertical driving assembly 2 and a sealing rubber strip 3, wherein the vertical driving assembly 2 is arranged in a groove 11, the sealing rubber strip 3 is movably connected to the opening of the groove 11 and can slide up and down along the height direction of the groove 11, and the output end of the vertical driving assembly 2 is connected with the sealing rubber strip 3 and is used for driving the free end of the sealing rubber strip 3 (namely, the lower end of the sealing rubber strip 3) to extend out of or retract into the groove 11.
The vertical driving assembly 2 includes a control lever 21, a fixing plate 22, a guide lever 23, a driving block 24, and a first spring 25. The fixed plate 22 is fixedly connected in the groove 11, a guide hole vertically penetrating through the upper end face and the lower end face of the fixed plate 22 is formed in the fixed plate, the guide rod 23 is connected in the guide hole in a sliding mode, and the upper end and the lower end of the guide rod 23 are respectively connected with the driving block 24 and the sealing rubber strip 3; the first spring 25 is sleeved on the guide rod 23, and two ends of the first spring 25 are respectively abutted against the driving block 24 and the fixing plate 22. A radial through hole 12 communicated with the groove 11 is arranged on one end face of the door body 1 facing the door frame, the position of the radial through hole 12 corresponds to the position of the driving block 24, and the control rod 21 is slidably connected in the radial through hole 12; the driving block 24 is provided with a first inclined plane towards one side wall of the control rod 21, one end of the control rod 21 extends into the groove 11 and abuts against the first inclined plane, and the other end extends to the outer side of the radial through hole 12 and abuts against the door frame.
When the door body 1 is closed, one end of the control rod 21 is propped against the door frame, and after being stressed, the other end of the control rod 21 moves into the groove 11 along the length direction of the radial through hole 12 and pushes the driving block 24 to move downwards; meanwhile, the driving block 24 overcomes the elasticity of the first spring 25 and drives the sealing rubber strip 3 to move downwards through the guide rod 23, and the free end of the sealing rubber strip 3 extends out of the groove 11 to prop against the ground, so that the tightness after the door is closed can be ensured.
When the door body 1 is opened, the control rod 21 is far away from the door frame, the force applied to the control rod 21 is withdrawn, under the action of the elastic force of the first spring 25, the sealing rubber strip 3 and the driving block 24 move upwards, the free end of the sealing rubber strip 3 is separated from the ground and is retracted into the groove 11, meanwhile, the driving block 24 pushes the control rod 21 to reset, the smoothness of opening the door is ensured, the abrasion of the sealing rubber strip 3 is reduced, the service life of the sealing rubber strip 3 is prolonged, and the phenomenon of loose sealing is avoided.
The control rod 21 is equipped with the second inclined plane towards the one end of drive piece 24, and the second inclined plane is parallel arrangement each other with first inclined plane, can be better promote the drive piece 24 downward movement through control rod 21, avoids appearing the dead condition emergence of card.
One end of the control rod 21, which is positioned outside the radial through hole 12, is connected with a silica gel head 26, and the silica gel head 26 is made of soft materials, so that the impact on a door frame during closing can be reduced, and the noise can be reduced while the damage to the door frame is avoided.
The control rod 21 is sleeved with a second spring 27, one end of the second spring 27 is connected with the inner wall of the radial through hole 12, and the other end of the second spring is propped against the silica gel head 26. During the door opening process, the second spring 27 can better assist the control rod 21 to reset, so as to avoid the control rod 21 from being blocked.
The number of the vertical driving components 2 is two, and the vertical driving components are respectively arranged at two ends of the groove 11.
The inside of joint strip 3 is the cavity setting, and hollow joint strip 3 can have bigger deflection, can contact with ground better when being extruded, improves sealed effect.
The door body 1 can be made into a front part and a rear part which are connected in a welding mode; the door body 1 is internally provided with a containing cavity, and the containing cavity is filled with a fireproof core plate 4, so that a better heat insulation effect can be achieved; the fireproof core board 4 can be a calcium silicate fireproof board or a magnesium silicate fireproof board, has good fireproof and heat-insulating effects, and the sealing adhesive tape 3 is also a flame-retardant fireproof adhesive tape and is not easy to damage by high temperature.
The vertical driving component 2 can also be a driving motor, and the output end of the driving motor is connected with the sealing rubber strip 3; the contact switch is arranged at the end part of the control rod 21, which is contacted with the door frame, and when the door is closed, the contact switch is contacted with the door frame, signals are transmitted to the controller, the controller controls the driving motor to downwards output, so that the lower end of the sealing rubber strip 3 extends out of the groove 11 to prop against the ground, and the tightness after the door is closed can be ensured; when the door is opened, the contact switch is separated from contact with the door frame, signals are transmitted to the controller, and the controller controls the driving motor to output upwards, so that the lower end of the sealing rubber strip 3 is separated from contact with the ground and is retracted into the groove 11, smoothness of the door opening is guaranteed, and abrasion of the sealing rubber strip 3 is reduced.
The foregoing is merely illustrative of the present utility model, and the scope of the present utility model is not limited thereto, and any changes or substitutions that may be easily contemplated by those skilled in the art within the scope of the present utility model should be included within the scope of the present utility model, and the scope of the present utility model shall be defined by the appended claims.
Claims (8)
1. An airtight door comprises a door body (1) and a door frame, wherein one side wall of the door body (1) is hinged to the door frame; the method is characterized in that: the bottom of the door body (1) is provided with a groove (11) extending along the length direction of the door body, and a door bottom sealing device is arranged in the groove (11); the door bottom sealing device comprises a vertical driving assembly (2) and a sealing rubber strip (3), wherein the vertical driving assembly (2) is arranged in a groove (11), the sealing rubber strip (3) is movably connected to the opening of the groove (11) and can slide up and down along the height direction of the groove (11), and the output end of the vertical driving assembly (2) is connected with the sealing rubber strip (3) and is used for driving the free end of the sealing rubber strip (3) to extend out of or retract into the groove (11); the vertical driving assembly (2) comprises a control rod (21), and one end of the control rod (21) radially extends out of the door body (1) and is used for propping against the door frame to control the vertical driving assembly (2) to drive the sealing rubber strip (3) to slide up and down.
2. The airtight door of claim 1, wherein: the vertical driving assembly (2) further comprises a fixed plate (22), a guide rod (23), a driving block (24) and a first spring (25); the fixing plate (22) is fixedly connected in the groove (11), a guide hole vertically penetrating through the upper end face and the lower end face of the fixing plate (22) is formed in the fixing plate, the guide rod (23) is slidably connected in the guide hole, and the upper end and the lower end of the guide rod (23) are respectively connected with the driving block (24) and the sealing rubber strip (3); the first spring (25) is sleeved on the guide rod (23), and two ends of the first spring (25) are respectively propped against the driving block (24) and the fixing plate (22); a radial through hole (12) communicated with the groove (11) is arranged on one end face of the door body (1) facing the door frame, and the control rod (21) is connected in the radial through hole (12) in a sliding manner; the driving block (24) is provided with a first inclined plane towards one side wall of the control rod (21), one end of the control rod (21) extends into the groove (11) and abuts against the first inclined plane, and the other end extends to the outer side of the radial through hole (12) and abuts against the door frame.
3. The airtight door of claim 2, wherein: one end of the control rod (21) facing the driving block (24) is provided with a second inclined plane, and the second inclined plane and the first inclined plane are mutually parallel.
4. A gas-tight door according to claim 3, characterized in that: one end of the control rod (21) positioned outside the radial through hole (12) is connected with a silica gel head (26).
5. The airtight door of claim 4, wherein: the control rod (21) is sleeved with a second spring (27), one end of the second spring (27) is connected with the inner wall of the radial through hole (12), and the other end of the second spring is propped against the silica gel head (26).
6. The airtight door of claim 5, wherein: the number of the vertical driving assemblies (2) is two, and the two vertical driving assemblies are respectively arranged at two ends of the groove (11).
7. The airtight door of claim 1, wherein: the sealing rubber strip (3) is arranged in a hollow mode.
8. The airtight door of claim 1, wherein: the door body (1) is internally provided with a containing cavity, and the containing cavity is filled with a fireproof core plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719917.4U CN221032263U (en) | 2023-10-11 | 2023-10-11 | Air-tight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322719917.4U CN221032263U (en) | 2023-10-11 | 2023-10-11 | Air-tight door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032263U true CN221032263U (en) | 2024-05-28 |
Family
ID=91172381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322719917.4U Active CN221032263U (en) | 2023-10-11 | 2023-10-11 | Air-tight door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032263U (en) |
-
2023
- 2023-10-11 CN CN202322719917.4U patent/CN221032263U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |