Fireproof door capable of preventing smoke diffusion

Abstract

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door capable of preventing smoke diffusion, which comprises a main sliding door, the main sliding door is movably connected with an auxiliary sliding door, an expansion component is arranged on the outer surface of the main sliding door, a key inserting port is arranged on the outer surface of the main sliding door, and the auxiliary sliding door is connected with the expansion component. When a fire breaks out, a smoke sensor on a main sliding door can receive a dense smoke signal, an intelligent telescopic plate is made to conduct contraction operation, the signal is transmitted to an electric push rod through a circuit, the electric push rod is made to contract so as to drive the whole lock handle assembly to move, and when the intelligent telescopic plate contracts, an L-shaped rod can conduct synchronous displacement; when the L-shaped rod does not abut against the blocking C-shaped plate any more, the blocking C-shaped plate and the sliding strip can descend on the sliding groove, finally smoke generated by a fire can be isolated outside the key inserting opening, pushing operation can be directly conducted no matter whether the door body is locked or not when the fire happens, and the effect that a handle does not need to be rotated is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fireproof doors, in particular to a fireproof door capable of preventing smoke from spreading. Background Art

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are fireproof partitions with a certain degree of fire resistance, located between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. According to the material, there are wooden fire doors, steel fire doors, steel-wood fire doors, other fire doors, etc.

[0003] According to a disclosed fire door structure (publication number: CN219412391U), in the above application, a copper decorative panel is installed on one side of the perlite fireproof board, a galvanized board is installed on the other side of the perlite fireproof board, a magnesium oxide fireproof board is provided on the outer side of the galvanized board, and a fireproof mechanical lock body is installed on the end of the perlite fireproof board away from the door frame. A fireproof latch is provided in the fireproof mechanical lock body to prevent smoke from diffusing from the gap, thereby ensuring the escape effect of personnel.

[0004] However, in actual use, although the above-mentioned equipment can perform smoke-proof treatment on the edge of the door body, there will still be gaps in the lock of the safety door without isolation, and it is impossible to escape when the safety door lock is opened without a key; in view of this, we have proposed a fire door that can prevent smoke from spreading. Utility Model Content

[0005] The utility model aims to provide a fireproof door capable of preventing smoke from spreading, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire door capable of preventing smoke from spreading, comprising a main sliding door, the main sliding door being movably connected to an auxiliary door, an expansion assembly being arranged on the outer surface of the main sliding door, a key insertion opening being provided on the outer surface of the main sliding door, a lock handle assembly being arranged on the inner wall of the main sliding door, a smoke isolation assembly being arranged on the inner wall of the main sliding door, the smoke isolation assembly comprising a sliding groove, a sliding groove being provided on the outer surface of the main sliding door, a fixed pile being fixedly connected to the inner wall of the main sliding door, an electric push rod being arranged on the outer surface of the fixed pile, and a A lock handle assembly, the inner wall of the main sliding door is provided with an intelligent telescopic plate, the outer surface of the intelligent telescopic plate is provided with a smoke sensor, one end of the intelligent telescopic plate is fixedly connected with a sealing clamp, the outer surface circuit of the intelligent telescopic plate is connected with an electric push rod, the outer surface of the sealing clamp is fixedly connected with an L-shaped rod, the outer surface of the L-shaped rod is movably connected with a blocking C-shaped plate, the outer surface of the blocking C-shaped plate is fixedly connected with an expansion sealing fireproof strip, the outer surface of the blocking C-shaped plate is fixedly connected with a sliding strip, the inner wall of the main sliding door is provided with a sliding groove, and the outer surface of the sliding groove is movably connected with a sliding strip.

[0007] Preferably, the blocking C-shaped plate is adapted to the inner wall of the main sliding door, so that the blocking C-shaped plate can move smoothly on the inner wall of the main sliding door.

[0008] Preferably, the expansion sealing fireproof strip is movably connected to a lock handle assembly, so that the expansion sealing fireproof strip can be in close contact with the lock handle assembly when it is deformed and expanded, so that smoke from the outside cannot penetrate.

[0009] Preferably, the keyholes and sliding grooves and the intelligent telescopic plates and smoke detectors and sealing clamps and L-shaped rods and expansion sealing fireproof strips and sliding strips and sliding grooves are all set in two groups, and the two groups of keyholes and two groups of sliding grooves and two groups of intelligent telescopic plates and two groups of smoke detectors and two groups of sealing clamps and two groups of L-shaped rods and two groups of expansion sealing fireproof strips and two groups of sliding strips and two groups of sliding grooves are mirrored on both sides of the center plane of the main sliding door, so that the whole can operate stably.

[0010] Preferably, the outer surface of the L-shaped rod is provided with a reinforcement component, and the reinforcement component includes an upper tooth plate, the outer surface of the L-shaped rod is fixedly connected to the upper tooth plate, the inner wall of the main sliding door is rotatably installed with a tooth column, the upper tooth plate engages with the tooth column, the inner wall of the main sliding door is fixedly connected with a limiting sleeve, the limiting sleeve is movably connected with a lower tooth plate, the tooth column engages with the lower tooth plate, one end of the lower tooth plate is fixedly connected to a No. 1 elastic telescopic pile, the outer surface of the No. 1 elastic telescopic pile is provided with a No. 2 elastic telescopic pile, one end of the No. 1 elastic telescopic pile is fixedly connected to an extension plate, and one end of the extension plate is fixedly connected to an L-shaped baffle.

[0011] Preferably, the outer surface of the L-shaped baffle is movably connected to a No. 2 elastic telescopic pile, so that when the L-shaped baffle is displaced and no longer blocks the No. 2 elastic telescopic pile, the No. 2 elastic telescopic pile can be stretched and squeezed.

[0012] Compared with the prior art, the utility model provides a fire door that can prevent smoke diffusion, which has the following beneficial effects:

[0013] 1. The fireproof door capable of preventing smoke diffusion, when a fire occurs, the smoke sensor on the main sliding door will receive a thick smoke signal, causing the intelligent telescopic plate to retract, and transmit the signal to the electric push rod through the line, causing the electric push rod to retract, thereby driving the entire lock handle assembly to move, and when the intelligent telescopic plate retracts, the L-shaped rod will move synchronously, so that when the L-shaped rod no longer conflicts with the blocking C-shaped plate, the blocking C-shaped plate together with the slide bar will move downward on the slide groove, so that the blocking C-shaped plate isolates the key insertion port, and when the expansion sealing fireproof strip is deformed and expanded, it can be in close contact with the lock handle assembly, so that the outside smoke cannot penetrate, and finally the smoke generated by the fire will be isolated outside the key insertion port, and when a fire occurs, regardless of whether the door body is locked, it can be directly pushed open without turning the handle.

[0014] 2. The fire door capable of preventing smoke from spreading will cause the upper tooth plate to operate when the intelligent telescopic plate contracts so that the L-shaped rod moves synchronously, and the transmission between the tooth column and the lower tooth plate causes the No. 1 elastic telescopic pile to move forward and squeeze the blocking C-shaped plate, and will contract when the No. 1 elastic telescopic pile cannot move forward, so that the L-shaped baffle connected to the extension plate will move, causing the No. 2 elastic telescopic pile to lose its restrictive force and extend, thereby finally achieving a more stable smoke isolation at multiple angles by the blocking C-shaped plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the main sliding door structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the smoke isolation component of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the smoke detector of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the reinforcement component of the utility model.

[0020] In the figure: 1. Main sliding door; 2. Auxiliary door; 3. Expansion assembly; 4. Key slot; 5. Lock handle assembly; 6. Smoke isolation assembly; 601. Sliding groove; 602. Fixed pile; 603. Electric push rod; 604. Intelligent telescopic plate; 605. Smoke sensor; 606. Sealing chuck; 607. L-shaped rod; 608. Blocking C-shaped plate; 609. Expansion sealing fireproof strip; 610. Sliding strip; 611. Sliding groove; 7. Reinforcement assembly; 701. Upper tooth plate; 702. Tooth column; 703. Limiting sleeve; 704. Lower tooth plate; 705. Elastic telescopic pile No. 1; 706. Extension plate; 707. L-shaped baffle; 708. Elastic telescopic pile No. 2. DETAILED DESCRIPTION

[0021] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a fire door capable of preventing smoke diffusion, comprising a main sliding door 1, the main sliding door 1 being movably connected to an auxiliary door 2, an expansion assembly 3 being arranged on the outer surface of the main sliding door 1, a key insertion port 4 being provided on the outer surface of the main sliding door 1, a lock handle assembly 5 being arranged on the inner wall of the main sliding door 1, a smoke isolation assembly 6 being arranged on the inner wall of the main sliding door 1, the smoke isolation assembly 6 comprising a sliding groove 601, a sliding groove 601 being provided on the outer surface of the main sliding door 1, and the sliding groove 601 can make the lock handle assembly 5 run smoothly on the outer surface The inner wall of the main sliding door 1 is fixedly connected with a fixed pile 602, and the outer surface of the fixed pile 602 is provided with an electric push rod 603, and one end of the electric push rod 603 is provided with a lock handle assembly 5. The electric push rod 603 can drive the lock handle assembly 5 to perform a displacement operation. The inner wall of the main sliding door 1 is provided with an intelligent telescopic plate 604, and the outer surface of the intelligent telescopic plate 604 is provided with a smoke sensor 605. After the smoke sensor 605 receives a heavy smoke signal, the intelligent telescopic plate 604 will be retracted, and the smoke sensor 605 will be in an expanded state when it does not receive a heavy smoke signal.

[0022] Furthermore, one end of the intelligent telescopic plate 604 is fixedly connected to a sealing chuck 606, so that in a normal safe state, the sliding groove 601 is blocked by the intelligent telescopic plate 604, and foreign objects such as the outside world cannot enter the main sliding door 1. The outer surface circuit of the intelligent telescopic plate 604 is connected to the electric push rod 603, so that when the intelligent telescopic plate 604 is running, the electric push rod 603 can be operated through a signal, and the outer surface of the sealing chuck 606 is fixedly connected to an L-shaped rod 607, and the L-shaped rod 607 is fixedly connected to the outer surface of the sealing chuck 606. The outer surface of 7 is movably connected with a blocking C-shaped plate 608, the outer surface of the blocking C-shaped plate 608 is fixedly connected with an expansion sealing fireproof strip 609, the outer surface of the blocking C-shaped plate 608 is fixedly connected with a slide bar 610, the inner wall of the main sliding door 1 is provided with a slide groove 611, the outer surface of the slide groove 611 is movably connected with the slide bar 610, so that after the blocking C-shaped plate 608 is lowered, the expansion sealing fireproof strip 609 can be in close contact with the lock handle assembly 5 when it is deformed and expanded, so that the smoke from the outside cannot penetrate.

[0023] In one embodiment of the utility model, the blocking C-shaped plate 608 is adapted to the inner wall of the main sliding door 1, so that the blocking C-shaped plate 608 can move smoothly on the inner wall of the main sliding door 1, and the expansion sealing fireproof strip 609 is movably connected with the lock handle assembly 5, so that the expansion sealing fireproof strip 609 can be in close contact with the lock handle assembly 5 when it is deformed and expanded, so that the smoke from the outside cannot penetrate, and the key insertion port 4 and the sliding slot 601 and the intelligent telescopic plate 604 and the smoke sensor 605 and the seal The number of the sealing clamp 606, the L-shaped rod 607, the expansion sealing fireproof strip 609, the slide bar 610 and the slide groove 611 is all two sets, and the two sets of key ports 4, the two sets of slide grooves 601, the two sets of intelligent telescopic plates 604, the two sets of smoke detectors 605, the two sets of sealing clamps 606, the two sets of L-shaped rods 607, the two sets of expansion sealing fireproof strips 609, the two sets of slide bars 610 and the two sets of slide grooves 611 are mirrored on both sides of the center plane of the main sliding door 1, so that the whole can operate stably.

[0024] In addition, a reinforcement component 7 is provided on the outer surface of the L-shaped rod 607, and the reinforcement component 7 includes an upper tooth plate 701, and the outer surface of the L-shaped rod 607 is fixedly connected to the upper tooth plate 701, and the inner wall of the main sliding door 1 is rotatably installed with a tooth column 702, and the upper tooth plate 701 engages with the tooth column 702, and the inner wall of the main sliding door 1 is fixedly connected with a limiting sleeve 703, and the limiting sleeve 703 is movably connected with a lower tooth plate 704, and the tooth column 702 engages with the lower tooth plate 704, and one end of the lower tooth plate 704 is fixedly connected with a No. 1 spring The outer surface of the No. 1 elastic telescopic pile 705 is provided with a No. 2 elastic telescopic pile 708, one end of the No. 1 elastic telescopic pile 705 is fixedly connected with an extension plate 706, one end of the extension plate 706 is fixedly connected with an L-shaped baffle plate 707, and the outer surface of the L-shaped baffle plate 707 is movably connected with the No. 2 elastic telescopic pile 708, so that when the L-shaped baffle plate 707 is displaced and no longer blocks the No. 2 elastic telescopic pile 708, the No. 2 elastic telescopic pile 708 can be stretched and squeezed.

[0025] In addition, in order to solve the problem that although the edge of the door body can be treated to prevent smoke, there are still gaps in the lock of the safety door that are not isolated, and it is impossible to escape when the safety door lock is opened without a key, in the utility model, when a fire occurs, the smoke sensor 605 on the main sliding door 1 will receive a thick smoke signal, causing the intelligent telescopic plate 604 to retract and operate, and transmit the signal to the electric push rod 603 through the line, causing the electric push rod 603 to retract, thereby driving the entire lock handle assembly 5 to move, and when the intelligent telescopic plate 604 retracts, the L-shaped rod 607 is displaced synchronously, so that the L-shaped rod 607 no longer conflicts with the blocking C-shaped plate 608, which will cause the blocking C-shaped plate 608 and the sliding bar 610 to descend on the sliding groove 611, so that the blocking C-shaped plate 608 isolates the key insertion port 4, and when the expansion sealing fireproof strip 609 is deformed and expanded, it can be in close contact with the lock handle assembly 5, so that the external smoke cannot penetrate, and finally the smoke generated by the fire will be isolated outside the key insertion port 4, and when a fire occurs, no matter whether the door body is locked or not, it can be directly pushed open without turning the handle.

[0026] In addition, when the intelligent telescopic plate 604 contracts and the L-shaped rod 607 moves synchronously, the upper tooth plate 701 will operate, and through the transmission of the tooth column 702 and the lower tooth plate 704, the No. 1 elastic telescopic pile 705 will move forward and squeeze toward the blocking C-shaped plate 608, and when the No. 1 elastic telescopic pile 705 cannot move forward, it will retract to displace the L-shaped baffle 707 connected to the extension plate 706, so that the No. 2 elastic telescopic pile 708 loses its restrictive force and stretches, and finally the blocking C-shaped plate 608 can isolate smoke more stably at multiple angles when isolating smoke.

[0027] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A fire door capable of preventing smoke diffusion, comprising a main sliding door (1), characterized in that: The main sliding door (1) is movably connected to the auxiliary door (2); an expansion assembly (3) is provided on the outer surface of the main sliding door (1); a key insertion hole (4) is provided on the outer surface of the main sliding door (1); a lock handle assembly (5) is provided on the inner wall of the main sliding door (1); a smoke isolation assembly (6) is provided on the inner wall of the main sliding door (1); and the smoke isolation assembly (6) comprises: A sliding groove (601), the outer surface of the main sliding door (1) is provided with a sliding groove (601), the inner wall of the main sliding door (1) is fixedly connected with a fixing pile (602), the outer surface of the fixing pile (602) is provided with an electric push rod (603), one end of the electric push rod (603) is provided with a lock handle assembly (5), the inner wall of the main sliding door (1) is provided with an intelligent telescopic plate (604), the outer surface of the intelligent telescopic plate (604) is provided with a smoke sensor (605), and one end of the intelligent telescopic plate (604) is fixedly connected with a sealing clamp (606); An electric push rod (603), the outer surface circuit of the intelligent telescopic plate (604) is connected to the electric push rod (603), the outer surface of the sealing clamp (606) is fixedly connected to an L-shaped rod (607), the outer surface of the L-shaped rod (607) is movably connected to a blocking C-shaped plate (608), the outer surface of the blocking C-shaped plate (608) is fixedly connected to an expansion sealing fireproof strip (609), the outer surface of the blocking C-shaped plate (608) is fixedly connected to a sliding strip (610), the inner wall of the main sliding door (1) is provided with a sliding groove (611), and the outer surface of the sliding groove (611) is movably connected to the sliding strip (610).

2. A fire door capable of preventing smoke diffusion according to claim 1, characterized in that: The blocking C-shaped plate (608) is adapted to the inner wall of the main sliding door (1).

3. A fire door capable of preventing smoke diffusion according to claim 1, characterized in that: The expansion sealing fireproof strip (609) is movably connected to a lock handle assembly (5).

4. A fire door capable of preventing smoke diffusion according to claim 1, characterized in that: The number of the key insertion opening (4), the sliding groove (601), the intelligent telescopic plate (604), the smoke detector (605), the sealing clamp (606), the L-shaped rod (607), the expansion sealing fireproof strip (609), the sliding strip (610), and the sliding groove (611) is all two groups, and the two groups of the key insertion opening (4), the two groups of sliding grooves (601), the two groups of intelligent telescopic plates (604), the two groups of smoke detectors (605), the two groups of sealing clamps (606), the two groups of L-shaped rods (607), the two groups of expansion sealing fireproof strips (609), the two groups of sliding strips (610), and the two groups of sliding grooves (611) are arranged on both sides in a mirror image of the center plane of the main sliding door (1).

5. A fire door capable of preventing smoke diffusion according to claim 1, characterized in that: The outer surface of the L-shaped rod (607) is provided with a reinforcement component (7), and the reinforcement component (7) includes an upper tooth plate (701). The outer surface of the L-shaped rod (607) is fixedly connected to the upper tooth plate (701). The inner wall of the main sliding door (1) is rotatably mounted with a tooth column (702), and the upper tooth plate (701) engages with the tooth column (702). The inner wall of the main sliding door (1) is fixedly connected to a limiting sleeve (703), and the limiting sleeve (703) is movable. A lower tooth plate (704) is connected, the tooth column (702) meshes with the lower tooth plate (704), one end of the lower tooth plate (704) is fixedly connected to a No. 1 elastic telescopic pile (705), the outer surface of the No. 1 elastic telescopic pile (705) is provided with a No. 2 elastic telescopic pile (708), one end of the No. 1 elastic telescopic pile (705) is fixedly connected to an extension plate (706), and one end of the extension plate (706) is fixedly connected to an L-shaped baffle (707).

6. A fire door capable of preventing smoke diffusion according to claim 5, characterized in that: The outer surface of the L-shaped baffle (707) is movably connected to a second elastic telescopic pile (708).

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