CN215859815U - Prevent fire door with prevent back locking function - Google Patents
Prevent fire door with prevent back locking function Download PDFInfo
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- CN215859815U CN215859815U CN202120217883.7U CN202120217883U CN215859815U CN 215859815 U CN215859815 U CN 215859815U CN 202120217883 U CN202120217883 U CN 202120217883U CN 215859815 U CN215859815 U CN 215859815U
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Abstract
The utility model discloses a fireproof door with an anti-lock function, belonging to the field of security protection, and the fireproof door comprises a door frame, wherein the inner wall of the door frame is fixedly connected with a pair of sealing plates, a sliding door is arranged between the pair of sealing plates, a pair of gears are fixedly connected between the door frame and the sliding door, the gears are positioned at the inner sides of the sealing plates, the outer end of the sliding door is fixedly connected with a plurality of sliding blocks, the inner wall of the door frame is provided with a sliding groove, the sliding groove is in sliding connection with the sliding blocks, the outer end of the sealing plates is provided with a through hole, the inside of the through hole is rotatably connected with a rotating rod, the outer end of the rotating rod is fixedly connected with a rotating ring, the outer end of the sliding door is provided with a strip-shaped groove, the inner wall of the strip-shaped groove is provided with a strip-shaped limiting groove, the gears are arranged inside the strip-shaped groove, the fireproof door can be opened and closed at one side close to safety, continuous manual operation is needed, and the stability of the fireproof door in the opening and closing state is improved, the door is not easy to be closed or opened accidentally, and the safety of fire prevention is improved.
Description
Technical Field
The utility model relates to the field of security protection, in particular to a fireproof door with an anti-lock function.
Background
The fire-proof test method is qualified according to the fire-proof test method of the national standard GB _12955 plus 2008 of fire-proof door implemented from 1 month and 1 day in 2009, and the fire-proof door certifications and the authorized identifiers are obtained by the ministry of economic standards, so that the fire-proof door is called as a fire-proof door, and the fire-proof door defined by the US NFPA and IBC specifications is a combination of any fire-proof door leaf, door jamb, hardware and other accessories which can jointly provide a certain degree of fire protection for an opening part.
The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, and is a fireproof partition with certain fire resistance arranged in a fireproof partition room, an evacuation staircase, a vertical shaft and the like.
The wooden heat-insulation fireproof door is characterized in that wood or wood products are used as a door frame, a door leaf framework and a door leaf panel, heat-insulation materials are filled in the door leaf or the wood or wood products are used as the door frame and the door leaf, A-type composite fireproof glass can be arranged on the door leaf according to needs, a light window consisting of the door frame and the A-type composite fireproof glass is arranged above the door leaf, and the door is matched with fireproof hardware fittings and can meet the requirements of fire-resistant integrity and heat-insulation.
The part prevents that fire door can automatic lock when closing under the unexpected condition, leads to preventing that the inboard personnel of fire door can't escape under the evacuation condition, can not effectually prevent that fire door from playing in the unilateral and closing.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
The utility model aims to provide a fireproof door with an anti-locking function, which can be opened and closed on one side of the fireproof door close to the safety, needs continuous manual operation, improves the stability of the fireproof door in an opening and closing state, is not easy to be accidentally opened or closed, and improves the safety of fire prevention people.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A fireproof door with an anti-lock function comprises a door frame, wherein a pair of sealing plates is fixedly connected to the inner wall of the door frame, a sliding door is arranged between the pair of sealing plates, a pair of elastic telescopic rods is fixedly connected between the door frame and the sliding door, the elastic telescopic rods are positioned on the inner sides of the sealing plates, a plurality of sliding blocks are fixedly connected to the outer end of the sliding door, a sliding groove is formed in the inner wall of the door frame and is in sliding connection with the sliding blocks, a through hole is formed in the outer end of the sealing plate, a rotating rod is rotatably connected to the inside of the through hole, a rotating ring is fixedly connected to the outer end of the rotating rod, a strip-shaped groove is formed in the outer end of the sliding door, a strip-shaped limiting groove is formed in the inner wall of the strip-shaped groove, a gear is arranged inside the strip-shaped groove, one end, far away from the rotating ring, of the rotating rod penetrates through the gear and is inserted into the strip-shaped limiting groove, and is fixedly connected with the rotating rod, move the outer end fixedly connected with pinion rack of door, the pinion rack is located the upside of gear, the outer end fixedly connected with compression spring of bull stick, compression spring is located the outside of gear, and it can realize preventing that fire door is close to safe one side and plays to close, and needs the manual operation of continuation, improves to prevent fire door and is playing the stability of closed state, is difficult for causing the accident to close or open, improves the security of preventing fires.
Furthermore, the outer end of swivel is annular shape, the outer end fixedly connected with antiskid rubber layer of swivel improves the frictional force between palm and the swivel, improves the efficiency of closing the door frame.
Further, the right-hand member fixedly connected with sealing strip that moves the door, the outer end of sealing strip laminates with the inner wall of door frame mutually, reduces the door frame and moves the gap between the door, improves the degree of tightness of preventing fire door.
Further, the outer end of slider is dug there is the slot rolling, the inside roll connection of slot rolling has the ball, the outer end of ball contacts with the inner wall of spout, reduces the frictional force that moves between door and the spout, improves the slip efficiency that moves the door.
Furthermore, the outer end of the door frame is coated with a heat insulation coating, so that a high-temperature barrier is effectively arranged on the other side, and the safety of the fireproof door is improved.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) this scheme can realize preventing that fire door is close to safe one side and plays to close, and needs the manual operation of continuation, improves to prevent that fire door is playing the stability of closed state, is difficult for causing the accident to close or open, improves the security of preventing fires.
(2) The outer end of swivel is the annular shape, and the outer end fixedly connected with on swivel anti-skidding rubber layer improves the frictional force between palm and the swivel, improves the efficiency of closing the door frame.
(3) Move the right-hand member fixedly connected with sealing strip of door, the outer end of sealing strip is laminated with the inner wall of door frame mutually, reduces the door frame and moves the gap between the door, improves the degree of tightness of preventing fire door.
(4) The outer end of the sliding block is provided with a rolling groove, the inside of the rolling groove is connected with a ball in a rolling mode, the outer end of the ball is in contact with the inner wall of the sliding groove, friction force between the sliding door and the sliding groove is reduced, and sliding efficiency of the sliding door is improved.
(5) The outer end of the door frame is coated with a heat insulation coating, so that the high-temperature barrier is effectively arranged on the other side, and the safety of the fireproof door is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is a side cross-sectional partial structural schematic view of the present invention.
The reference numbers in the figures illustrate:
1 door frame, 2 move the door, 3 spouts, 4 sealing strips, 5 swivels, 6 elasticity telescopic link, 7 sliders, 8 bar grooves, 9 bar spacing grooves, 10 gears, 11 pinion rack, 12 compression spring, 13 bull stick.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, a fire door with anti-lock function comprises a door frame 1, a pair of sealing plates fixedly connected to the inner wall of the door frame 1, a sliding door 2 disposed between the pair of sealing plates, a pair of elastic expansion rods 6 fixedly connected between the door frame 1 and the sliding door 2, the elastic expansion rods 6 located inside the sealing plates, a plurality of sliding blocks 7 fixedly connected to the outer end of the sliding door 2, a sliding groove 3 bored in the inner wall of the door frame 1, the sliding groove 3 slidably connected to the sliding blocks 7, a through hole bored in the outer end of the sealing plate, a rotating rod 13 rotatably connected to the inside of the through hole, a rotating ring 5 fixedly connected to the outer end of the rotating rod 13, a bar-shaped groove 8 bored in the outer end of the sliding door 2, a bar-shaped limiting groove 9 bored in the inner wall of the bar-shaped groove 8, a gear 10 inserted in the bar-shaped groove 8, and a gear 10 inserted in the end of the rotating rod 13 far away from the rotating ring 5, disposed in the bar-shaped limiting groove 9, gear 10 and bull stick 13 fixed connection move the outer end fixedly connected with pinion rack 11 of door 2, and pinion rack 11 is located the upside of gear 10, and the outer end fixedly connected with compression spring 12 of bull stick 13, compression spring 12 are located the outside of gear 10.
Referring to fig. 1 and 3, the outer end of the rotating ring 5 is annular, the outer end of the rotating ring 5 is fixedly connected with an anti-slip rubber layer, so that friction between a palm and the rotating ring 5 is improved, the efficiency of closing the door frame 1 is improved, the right end of the sliding door 2 is fixedly connected with a sealing strip 4, the outer end of the sealing strip 4 is attached to the inner wall of the door frame 1, a gap between the door frame 1 and the sliding door 2 is reduced, and the sealing degree of the fireproof door is improved.
Referring to fig. 1-2, the outer end of the sliding block 7 is drilled with a rolling groove, the inside of the rolling groove is connected with a rolling ball in a rolling manner, the outer end of the rolling ball is in contact with the inner wall of the sliding groove 3, so that the friction force between the sliding door 2 and the sliding groove 3 is reduced, the sliding efficiency of the sliding door 2 is improved, the outer end of the door frame 1 is coated with a heat insulation coating, the high temperature is effectively blocked at the other side, and the safety of the fire door is improved.
When emergency takes place, when personnel ran to one side of door frame 1, grasp swivel 5 and to the outer end pulling, make meshing connection between bar recess 8 and the pinion rack 11, rotate swivel 5, thereby control moves door 2 and slides before 1 inner wall of door frame, make door frame 1 and move and close between the door 2, loosen both hands, compression spring 12's elasticity pushes up the one end of bull stick 13 to bar spacing groove 9 in, it is spacing to moving door 2 through bar spacing groove 9, effectual reduction moves the probability that door 2 rocked in 1 inboard of door frame, can realize preventing that fire door is close to safe one side and plays to close, and need the manual operation of continuation, improve the stability of preventing fire door at the play closed state, be difficult for causing the accident to close or open, improve the security of preventing fire.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a prevent fire door of anti-lock function, includes door frame (1), its characterized in that: the inner wall of the door frame (1) is fixedly connected with a pair of sealing plates, a sliding door (2) is arranged between the pair of sealing plates, a pair of elastic telescopic rods (6) is fixedly connected between the door frame (1) and the sliding door (2), the elastic telescopic rods (6) are positioned on the inner side of the sealing plates, a plurality of sliding blocks (7) are fixedly connected with the outer end of the sliding door (2), a sliding groove (3) is formed in the inner wall of the door frame (1), the sliding groove (3) is in sliding connection with the sliding blocks (7), a through hole is formed in the outer end of the sealing plate, a rotating rod (13) is rotatably connected inside the through hole, a rotating ring (5) is fixedly connected with the outer end of the rotating rod (13), a strip-shaped groove (8) is formed in the outer end of the sliding door (2), a strip-shaped limiting groove (9) is formed in the inner wall of the strip-shaped groove (8), and a gear (10) is arranged inside the strip-shaped groove (8), the one end that swivel (5) was kept away from in bull stick (13) runs through gear (10) and inserts and locate the inside of bar spacing groove (9), gear (10) and bull stick (13) fixed connection, the outer end fixedly connected with pinion rack (11) that moves door (2), pinion rack (11) are located the upside of gear (10), the outer end fixedly connected with compression spring (12) of bull stick (13), compression spring (12) are located the outside of gear (10).
2. The fire door having an anti-lock function according to claim 1, characterized in that: the outer end of the rotating ring (5) is annular, and the outer end of the rotating ring (5) is fixedly connected with an anti-skid rubber layer.
3. The fire door having an anti-lock function according to claim 1, characterized in that: the right-hand member fixedly connected with sealing strip (4) of moving door (2), the outer end of sealing strip (4) is laminated with the inner wall of door frame (1) mutually.
4. The fire door having an anti-lock function according to claim 1, characterized in that: the outer end of the sliding block (7) is provided with a rolling groove, a rolling ball is connected inside the rolling groove in a rolling mode, and the outer end of the rolling ball is in contact with the inner wall of the sliding groove (3).
5. The fire door having an anti-lock function according to claim 1, characterized in that: the outer end of the door frame (1) is coated with a heat insulation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217883.7U CN215859815U (en) | 2021-01-27 | 2021-01-27 | Prevent fire door with prevent back locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120217883.7U CN215859815U (en) | 2021-01-27 | 2021-01-27 | Prevent fire door with prevent back locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215859815U true CN215859815U (en) | 2022-02-18 |
Family
ID=80238123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120217883.7U Active CN215859815U (en) | 2021-01-27 | 2021-01-27 | Prevent fire door with prevent back locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215859815U (en) |
-
2021
- 2021-01-27 CN CN202120217883.7U patent/CN215859815U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220907 Address after: No. 88, Fuzhun Road, Economic and Technological Development Zone, Huaian City, Jiangsu Province, 223000 Patentee after: Jiangsu Changcheng fire fighting Co.,Ltd. Address before: 463000 No. 241 Dongfeng Road, Yicheng District, Zhumadian City, Henan Province Patentee before: Lu Yuli |