CN214117986U - Fireproof door with air pressure balance function - Google Patents
Fireproof door with air pressure balance function Download PDFInfo
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- CN214117986U CN214117986U CN202022825703.1U CN202022825703U CN214117986U CN 214117986 U CN214117986 U CN 214117986U CN 202022825703 U CN202022825703 U CN 202022825703U CN 214117986 U CN214117986 U CN 214117986U
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- sealing cover
- fixed
- closing cap
- door leaf
- hand wheel
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Abstract
The utility model discloses a take fire door that prevents of atmospheric pressure balance function, including the door leaf, the door leaf middle part is provided with the atmospheric pressure balance mouth, and the atmospheric pressure balance mouth is provided with fixed closing cap and activity closing cap respectively for the both sides of door leaf, is provided with the frame between fixed closing cap and the activity closing cap, and the mounting panel corresponds the activity closing cap and is provided with the seal groove, and activity closing cap avris is provided with the hem, and the air vent has been seted up to fixed closing cap. The hem internal-buckling formula is buckled in the seal groove, and the activity closing cap passes through the drive effect principle of hand wheel axle or is close to fixed closing cap, and the atmospheric pressure balance mouth on the door leaf is fixed to fixed closing cap, but when needing to carry out atmospheric pressure balance, rotatory hand wheel axle makes the fixed closing cap of activity closing cap principle, and the hem breaks away from the seal groove, then inside and outside atmospheric pressure passes through the air vent balanced, avoids frequently opening under the condition that does not have other needs and closes the door leaf, influences the gas tightness between door leaf and the door frame.
Description
Technical Field
The utility model belongs to the technical field of prevent fire door, especially relate to a take fire door of atmospheric pressure balance function.
Background
When the fireproof door is used in a key place, the fireproof door has the sealing performance, and is not only fireproof and heat-insulating, and the place generally refers to a nuclear power station, a laboratory and the like, and is an area which is easy to generate toxic gas and radiation. However, the place is not completely airtight, otherwise, the air pressure imbalance between the inside and the outside of the room is easy to cause machine failure, the sealing performance of the fireproof door is established on the tight edge fit, and when the fireproof door is frequently opened and closed, although the air pressure balance is achieved, the frequent opening and closing of the fireproof door influences the air tightness.
Therefore, the utility model discloses mainly solve the gas tightness and prevent fire door because need the balanced frequent switch of atmospheric pressure, lead to the problem of leakproofness variation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take fire door that prevents of atmospheric pressure balance function mainly solves the fire door of gas tightness and leads to the problem of leakproofness variation because need the atmospheric pressure balance frequent switch.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
fireproof door with air pressure balance function
The air pressure balance door comprises a door leaf, wherein an air pressure balance opening is formed in the middle of the door leaf;
the air pressure balancing port is square, a fixed sealing cover and a movable sealing cover are respectively arranged on two sides of the air pressure balancing port relative to the door leaf, and the side of the fixed sealing cover is fixed with the door leaf;
a frame is arranged between the fixed sealing cover and the movable sealing cover, the outer side wall of the frame is attached to the inner wall of the air pressure balance port, one side of the frame corresponding to the movable sealing cover is integrally connected with a mounting plate, the mounting plate is provided with a sealing groove corresponding to the movable sealing cover, the side of the movable sealing cover is provided with a folding edge, and the folding edge is matched with the sealing groove;
the fixed sealing cover is provided with a vent hole;
and a hand wheel shaft is arranged between the movable sealing cover and the fixed sealing cover and drives the movable sealing cover to move away from or approach to the fixed sealing cover.
Furthermore, the fireproof door with the air pressure balance function is characterized in that the side edges of the fixed sealing cover and the mounting plate are fixed with the door leaf through bolts, and a sealing gasket is arranged between the mounting plate and the door leaf.
Further, a take fire door that prevents of atmospheric pressure balance function, install the sealing washer in the seal groove.
Furthermore, two ends of the hand wheel shaft penetrate through the movable sealing cover and the fixed sealing cover respectively, the hand wheel shaft is in rotating fit with the penetrating part of the movable sealing cover, and the hand wheel shaft is in threaded fit with the penetrating part of the fixed sealing cover;
and nuts are sleeved on the two sides of the hand wheel shaft corresponding to the movable sealing cover.
Furthermore, the penetrating parts of the movable sealing cover and the fixed sealing cover corresponding to the hand wheel shafts are provided with shaft sleeves.
Further, a take fire door that prevents of atmospheric pressure balance function, the both ends of hand wheel axle all are provided with the hand wheel.
The utility model discloses following beneficial effect has:
the folding edge inner buckle type is clamped in the sealing groove, the movable sealing cover is fixed at an air pressure balance port on the door leaf through the driving action principle of the hand wheel shaft or is close to the fixed sealing cover, when air pressure balance is needed, the hand wheel shaft is rotated to fix the sealing cover through the principle of the movable sealing cover, the folding edge is separated from the sealing groove, and then the inner air pressure and the outer air pressure are balanced through the vent hole; otherwise, the movable sealing cover seals the air pressure balance port, so that the influence on the air tightness between the door leaf and the door frame caused by frequent opening and closing of the door leaf under the condition of no other needs is avoided.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the utility model discloses atmospheric pressure balance mouthful section view.
FIG. 2: the utility model discloses frame and fixed closing cap and activity closing cap cooperation structure portion.
FIG. 3: the utility model discloses door leaf structure sketch map.
In the drawings, the components represented by the respective reference numerals are listed below:
the door comprises a door leaf 1, a fixed cover 2, a movable cover 3, a frame 4, a mounting plate 41, a sealing groove 42, a folded edge 31, a vent hole 21, a hand wheel shaft 5, a bolt 22, a sealing gasket 44, a sealing ring 43, a nut 51, a shaft sleeve 23 and a hand wheel 52.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-3: fireproof door with air pressure balance function
The air pressure balance door comprises a door leaf 1, wherein an air pressure balance opening is formed in the middle of the door leaf 1;
the air pressure balancing port is square, a fixed sealing cover 2 and a movable sealing cover 3 are respectively arranged on two sides of the air pressure balancing port relative to the door leaf 1, and the side of the fixed sealing cover 2 is fixed with the door leaf 1;
a frame 4 is arranged between the fixed sealing cover 2 and the movable sealing cover 3, the outer side wall of the frame 4 is attached to the inner wall of the air pressure balance port, one side of the frame 4 corresponding to the movable sealing cover 3 is integrally connected with a mounting plate 41, the mounting plate 41 is provided with a sealing groove 42 corresponding to the movable sealing cover 3, the side of the movable sealing cover 3 is provided with a folding edge 31, and the folding edge 31 is matched with the sealing groove 42;
the fixed sealing cover 2 is provided with a vent hole 21;
a hand wheel shaft 5 is arranged between the movable sealing cover 3 and the fixed sealing cover 2, and the hand wheel shaft 5 drives the movable sealing cover 3 to move away from or approach to the fixed sealing cover 2.
In the utility model, the folding edge inner buckle type is clamped in the sealing groove, the movable sealing cover is fixed at the air pressure balance port on the door leaf through the driving action principle of the hand wheel shaft or is close to the fixed sealing cover, but when the air pressure balance is needed, the hand wheel shaft is rotated to fix the sealing cover according to the principle of the movable sealing cover, the folding edge is separated from the sealing groove, and then the inner air pressure and the outer air pressure are balanced through the vent hole; otherwise, the movable sealing cover seals the air pressure balancing opening.
Wherein, through the coincidence effect on this side and seal groove, improve gas tightness, the switch of being convenient for avoids frequently opening and closing the door leaf under the condition that does not have other needs, influences the gas tightness between door leaf and the door frame.
As shown in fig. 1: the fixed cover 2 and the side of the mounting plate 41 are fixed with the door leaf 1 through bolts 22, and a sealing gasket 44 is arranged between the mounting plate 41 and the door leaf 1. The sealing gasket is made of rubber, has elasticity and is used for improving the mounting stability and the sealing property.
As shown in fig. 2: a seal ring 43 is installed in the seal groove 42. The sealing ring is mainly used for improving the sealing performance.
As shown in fig. 1: two ends of the hand wheel shaft 5 respectively penetrate through the movable sealing cover 3 and the fixed sealing cover 2, the hand wheel shaft 5 is in rotary fit with the penetrating part of the movable sealing cover 3, and the hand wheel shaft 5 is in threaded fit with the penetrating part of the fixed sealing cover 2;
the two sides of the hand wheel shaft 5 corresponding to the movable sealing cover 4 are sleeved with nuts 51.
The thread matching end is fixed on the fixed sealing cover and fixed by rotating the hand wheel shaft, the movable sealing cover is pushed inwards or outwards by the driving of the hand wheel shaft, and the nut plays a role similar to a stop block and is mainly used for driving.
As shown in fig. 1: the penetrating parts of the movable sealing cover 3 and the fixed sealing cover 2 corresponding to the hand wheel shaft 5 are provided with shaft sleeves 23. The rotary stability between the hand wheel shaft and the movable sealing cover and between the hand wheel shaft and the fixed sealing cover is improved.
As shown in fig. 1: hand wheels 52 are arranged at both ends of the hand wheel shaft 5. The operation can be conveniently carried out both inside and outside.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a take fire door that prevents of atmospheric pressure balanced function which characterized in that:
the air pressure balance door comprises a door leaf (1), wherein an air pressure balance opening is formed in the middle of the door leaf (1);
the air pressure balancing port is square, a fixed sealing cover (2) and a movable sealing cover (3) are respectively arranged on two sides of the air pressure balancing port relative to the door leaf (1), and the side of the fixed sealing cover (2) is fixed with the door leaf (1);
a frame (4) is arranged between the fixed sealing cover (2) and the movable sealing cover (3), the outer side wall of the frame (4) is attached to the inner wall of the air pressure balance port, a mounting plate (41) is integrally connected to one side, corresponding to the movable sealing cover (3), of the frame (4), a sealing groove (42) is formed in the mounting plate (41) corresponding to the movable sealing cover (3), a folding edge (31) is formed in the side of the movable sealing cover (3), and the folding edge (31) is matched with the sealing groove (42);
the fixed sealing cover (2) is provided with a vent hole (21);
a hand wheel shaft (5) is arranged between the movable sealing cover (3) and the fixed sealing cover (2), and the hand wheel shaft (5) drives the movable sealing cover (3) to be far away from or close to the fixed sealing cover (2).
2. The fire door of claim 1, further comprising: the fixed sealing cover (2) and the side of the mounting plate (41) are fixed with the door leaf (1) through bolts (22), and a sealing gasket (44) is arranged between the mounting plate (41) and the door leaf (1).
3. The fire door of claim 1, further comprising: and a sealing ring (43) is arranged in the sealing groove (42).
4. The fire door of claim 1, further comprising: two ends of the hand wheel shaft (5) respectively penetrate through the movable sealing cover (3) and the fixed sealing cover (2), the hand wheel shaft (5) is in rotating fit with the penetrating part of the movable sealing cover (3), and the hand wheel shaft (5) is in threaded fit with the penetrating part of the fixed sealing cover (2);
the hand wheel shaft (5) is sleeved with nuts (51) corresponding to the two sides of the movable sealing cover (3).
5. The fire door of claim 4, further comprising: the movable sealing cover (3) and the fixed sealing cover (2) are provided with shaft sleeves (23) corresponding to the penetrating parts of the hand wheel shafts (5).
6. The fire door with air pressure balancing function as claimed in claim 4 or 5, wherein: hand wheels (52) are arranged at two ends of the hand wheel shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825703.1U CN214117986U (en) | 2020-11-30 | 2020-11-30 | Fireproof door with air pressure balance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022825703.1U CN214117986U (en) | 2020-11-30 | 2020-11-30 | Fireproof door with air pressure balance function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214117986U true CN214117986U (en) | 2021-09-03 |
Family
ID=77507867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022825703.1U Active CN214117986U (en) | 2020-11-30 | 2020-11-30 | Fireproof door with air pressure balance function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214117986U (en) |
-
2020
- 2020-11-30 CN CN202022825703.1U patent/CN214117986U/en active Active
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