Fireproof and soundproof wooden composite door

By integrating fire sensors and sprinkler systems into wooden composite doors, the problems of door damage and insufficient sound insulation after a fire are solved, achieving both fire protection and enhanced sound insulation during a fire.

CN117365244BActive Publication Date: 2025-12-09SHIJIAZHUANG YONGQING BUILDING MATERIALS WOOD IND CO
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Patent Information

Application Number
CN202311363479.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-20
Publication Date
2025-12-09
Estimated Expiration
2043-10-20

AI Technical Summary

Technical Problem

Existing fire-resistant and soundproof wooden composite doors suffer damage and reduced fire resistance after a fire, and their sound insulation is insufficient.

Method used

A fireproof and soundproof wooden composite door was designed, which includes a fire sensor, controller, power unit, conveying unit and sprinkler head. After the fire sensor detects a fire, it activates the conveying unit and sprinkler head to spray water to reduce damage, and the sound insulation effect is improved by sealing gaskets and soundproof frames.

Benefits of technology

It effectively protects the door in the event of a fire, reduces damage, improves sound insulation, and facilitates component maintenance.

✦ Generated by Eureka AI based on patent content.

Smart Images

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Patent Text Reader

Abstract

The present application relates to the technical field of wooden composite doors, and proposes a fireproof and soundproof wooden composite door, which comprises a door frame body and a door body, the door body is connected with the inner wall of one side of the door frame body through a hinge, a soundproof frame is fixedly installed on the inner wall of the door frame body, a rectangular frame is connected with the surface of the door body, a sealing gasket is fixedly installed on one side of the rectangular frame, and the sealing gasket is connected with the soundproof frame; electric sliding rails are fixedly installed on the inner wall of the door frame body on both sides, a fire sensor, a controller, a power assembly, a conveying assembly, a circular pipe and a spray head are arranged, after a fire occurs on one side of the door body, the fire sensor feeds back a signal to the controller, the controller starts the power assembly, the conveying assembly and the electric sliding rails, the electric sliding rails drive the U-shaped frame to move downward, external water enters the circular pipe through the conveying assembly and is sprayed out from the spray head, the power assembly drives the driven gear to reciprocate in forward and reverse directions, the circular pipe drives the spray head to reciprocate in forward and reverse directions by a certain angle for spraying, so that the damage of the door body is reduced, and the fireproof effect is improved.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of wood composite doors, and particularly relates to a fireproof and soundproof wood composite door. BACKGROUND

[0002] A wood composite door is a door made of two or more than two main materials, and the general structure is inner frame + door core + veneer panel. The performance, grade and price are determined according to the material and method of each component. The door core of a solid wood composite door is usually made of pine, Chinese fir or imported filling material, and is externally attached with density board and solid wood veneer. After high-temperature hot pressing, the wood composite door is made and sealed with solid wood strips.

[0003] According to the search of Chinese Patent No. CN114016881A, a fireproof and soundproof wood composite door is disclosed, which comprises a door frame body, a plug-in slot, a soundproof board, a connecting block, a lock body slot, a wood longitudinal mounting plate, a lock hole, a wood transverse mounting plate, a fireproof board, a fixing wire, a wood blocking block, and a wood side mounting plate. The beneficial effects are as follows: no glue is used in the entire connection process, and each structure is an environmentally friendly material, thereby effectively preventing the generation of formaldehyde and effectively improving the safety of the fireproof and soundproof composite door during use; the overall structure is formed by splicing, and each structure can be replaced, thereby facilitating long-term use by users and effectively reducing the use cost of users; the structure is simple and convenient to use, has outstanding product competitiveness, and can be widely promoted.

[0004] However, in the implementation of the related technology, the above-mentioned fireproof and soundproof wood composite door has the following problems: the existing technology facilitates the replacement of fireproof and soundproof materials, and the wood composite door will be damaged and the fireproof property will be reduced after a fire; the wood composite door lacks sound insulation effect between the door frame, and the sound insulation effect needs to be improved. Therefore, a fireproof and soundproof wood composite door is proposed. SUMMARY

[0005] The present application proposes a fireproof and soundproof wood composite door, which solves the problem of damage to the wood composite door and reduction of fireproof property after a fire in the related art.

[0006] The technical scheme of the present application is as follows: a fireproof and soundproof wood composite door, comprising a door frame body and a door body, the door body being connected to one side of the inner wall of the door frame body through a hinge, a soundproof frame being fixedly installed on the inner side wall of the door frame body, a rectangular frame being connected to the surface of the door body, a sealing gasket being fixedly installed on one side of the rectangular frame, the sealing gasket and the soundproof frame being connected;

[0007] The inner wall of the door frame body is fixedly provided with an electric sliding rail on both sides, the surface of the electric sliding rail is slidably connected with a U-shaped frame, the inner wall of the U-shaped frame is rotatably connected with a circular pipe, the outer side wall of the circular pipe is fixedly provided with a spray head, one side of the door frame body is provided with a conveying assembly, and the bottom end of the conveying assembly is connected with the circular pipe;

[0008] One end of the circular pipe penetrates through the U-shaped frame and is fixedly connected with a driven gear, one side of the U-shaped frame is provided with a power assembly, and the power assembly is in meshing connection with the driven gear;

[0009] One side of the door frame body is detachably connected with a fixed plate, one side of the fixed plate is fixedly provided with a fire sensor and a controller respectively, and the electric sliding rail and the fire sensor are electrically connected with the controller respectively.

[0010] Preferably, the conveying assembly comprises a connecting pipe, an electromagnetic valve, a water guide plate and a hose, the connecting pipe is located on one side of the door frame body, the electromagnetic valve is located on the outer side wall of the connecting pipe, one end of the connecting pipe penetrates through the door frame body and extends to the inside of the water guide plate, the top end of the hose is connected with the water guide plate, the bottom end of the hose is connected with the circular pipe, and the controller is electrically connected with the electromagnetic valve.

[0011] Preferably, the power assembly comprises a motor, a half gear, an annular plate, a toothed plate one and a toothed plate two, the motor is located on one side of the U-shaped frame, the output end of the motor is fixedly connected with the half gear, the annular plate is slidably connected with one side of the U-shaped frame, the toothed plate one is located on the top of the annular plate, the toothed plate one is in meshing connection with the driven gear, the toothed plate two is located on the inner wall of the annular plate on both sides, the half gear is in meshing connection with the toothed plate two, and the controller is electrically connected with the motor.

[0012] Preferably, one side of the door frame body is fixedly provided with a fixed cylinder, one side of the fixed plate is fixedly provided with a plug rod, and the plug rod is inserted with the fixed cylinder.

[0013] Preferably, one side of the fixed plate is fixedly provided with a rectangular cylinder, one side of the inner wall of the rectangular cylinder is fixedly connected with a spring one, one end of the spring one is fixedly connected with an arc-shaped block one, one side of the door frame body is fixedly provided with a connecting plate, one side of the connecting plate is provided with a rectangular slot one, the arc-shaped block one is clamped with the rectangular slot one, the inner side wall of the connecting plate is slidably connected with a circular plate, one side of the circular plate is fixedly connected with a spring two, one end of the spring two is fixedly connected with the connecting plate, and a pressing rod penetrates through the center of the circular plate.

[0014] Preferably, rotating rods are rotatably connected to the inner walls of the door frame body, outer side walls of the rotating rods are fixedly installed with closing plates, and one side of the inner wall of the door frame body is fixedly installed with a vortex spring.

[0015] Preferably, the top of the door body is detachably connected with a top plate, the bottom of the top plate is fixedly installed with a clamping plate, the top of the door body is provided with a clamping groove, and the clamping plate is inserted into the clamping groove.

[0016] Preferably, the top of the door body is provided with a threaded groove one, and the top of the top plate is provided with a threaded groove two.

[0017] Preferably, a fireproof plate is clamped in the door body, a soundproof plate is fixedly installed in the fireproof plate, stabilizing rods are fixedly installed on the two sides of the fireproof plate, and stabilizing grooves are formed in the inner walls of the door body and are inserted with the stabilizing rods.

[0018] Preferably, spring three is fixedly connected to the inner walls of the door body, one end of the spring three is fixedly connected with an arc-shaped block two, and the inner walls of the rectangular frame are provided with rectangular grooves two, and the arc-shaped block two is clamped with the rectangular grooves two.

[0019] The working principle and beneficial effects of the present application are as follows:

[0020] 1. In the present application, the fire sensor, the controller, the power assembly, the conveying assembly, the circular pipe and the spray head are arranged. After a fire occurs on one side of the door body, the fire sensor feeds back a signal to the controller, the controller starts the power assembly, the conveying assembly and the electric sliding rail, the electric sliding rail drives the U-shaped frame to move downward, external water enters the circular pipe through the conveying assembly and is sprayed from the spray head, the power assembly drives the driven gear to reciprocate in forward and reverse directions, the circular pipe drives the spray head to reciprocate in forward and reverse directions by a certain angle for spraying, thereby reducing the damage of the door body and improving the fireproof effect.

[0021] 2. In the present application, the rectangular frame is embedded in the groove on the surface of the door body, the spring three drives the arc-shaped block two to be clamped into the rectangular groove two, and the sealing gasket is installed, so that the sealing gasket contacts the soundproof frame when the door body is closed, and sound insulation is achieved in cooperation with the soundproof plate.

[0022] 3. In the present application, the extrusion rod, the circular plate, the spring two, the arc-shaped block one and the rectangular groove one are arranged. Pressing the extrusion rod drives the circular plate to move and extrude the spring two, the extrusion rod extrudes the arc-shaped block one, and the arc-shaped block one is separated from the rectangular groove one, so that the fixed plate can be disassembled for maintenance of the fire sensor and the controller. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described in detail below with reference to the drawings and specific embodiments.

[0024] Figure 1 It is a schematic view of the overall three-dimensional structure of the application.

[0025] Figure 2 It is a schematic view of the top plate three-dimensional structure of the application.

[0026] Figure 3 It is a sectional view of the door frame body three-dimensional structure of the application.

[0027] Figure 4 It is a schematic view of the partial three-dimensional structure of the application.

[0028] Figure 5 It is a sectional view of the connecting plate three-dimensional structure of the application.

[0029] Figure 6 It is a schematic view of the Figure 3 enlarged structure at A in the application.

[0030] Figure 7 It is a schematic view of the Figure 1 enlarged structure at B in the application.

[0031] In the figure: 1, door frame body; 2, door body; 3, soundproof frame; 4, rectangular frame; 5, sealing gasket; 6, conveying assembly; 61, connecting pipe; 62, electromagnetic valve; 63, water guide plate; 64, hose; 7, electric sliding rail; 8, U-shaped frame; 9, circular pipe; 10, spray head; 11, driven gear; 12, power assembly; 121, motor; 122, half gear; 123, annular plate; 124, toothed plate one; 125, toothed plate two; 13, fixed plate; 14, fire sensor; 15, controller; 16, fixed cylinder; 17, insertion rod; 18, rectangular cylinder; 19, spring one; 20, arc block one; 21, connecting plate; 22, rectangular groove one; 23, circular plate; 24, spring two; 25, extrusion rod; 26, rotating rod; 27, closing plate; 28, vortex spring; 29, clamping groove; 30, top plate; 31, clamping plate; 32, screw groove one; 33, screw groove two; 34, fireproof plate; 35, soundproof plate; 36, stabilizing rod; 37, stabilizing groove; 38, spring three; 39, arc block two; 40, rectangular groove two. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the application.

[0033] Please refer to Figure 1 - Figure 7 The application provides a fireproof and soundproof wooden composite door technical scheme, which comprises a door frame body 1 and a door body 2, the door body 2 is connected with one side of the inner wall of the door frame body 1 through a hinge, a soundproof frame 3 is fixedly installed on the inner wall of the door frame body 1, a rectangular frame 4 is connected with the surface of the door body 2, a sealing gasket 5 is fixedly installed on one side of the rectangular frame 4, and the sealing gasket 5 is connected with the soundproof frame 3; electric sliding rails 7 are fixedly installed on both sides of the inner wall of the door frame body 1, U-shaped frames 8 are slidingly connected with the surfaces of the electric sliding rails 7, circular tubes 9 are rotatably connected with both sides of the inner wall of the U-shaped frames 8, spray heads 10 are fixedly installed on the outer wall of the circular tubes 9, a conveying assembly 6 is arranged on one side of the door frame body 1, and the conveying assembly 6 is connected between the bottom end of the circular tube 9; the conveying assembly 6 comprises a connecting pipe 61, an electromagnetic valve 62, a water guide plate 63 and a hose 64, the connecting pipe 61 is located on one side of the door frame body 1, the electromagnetic valve 62 is located on the outer wall of the connecting pipe 61, one end of the connecting pipe 61 extends to the inside of the water guide plate 63 through the door frame body 1, the top end of the hose 64 is connected with the water guide plate 63, the bottom end of the hose 64 is connected with the circular tube 9, the controller 15 is electrically connected with the electromagnetic valve 62, one end of the circular tube 9 penetrates through the U-shaped frame 8 and is fixedly connected with a driven gear 11, a power assembly 12 is arranged on one side of the U-shaped frame 8, and the power assembly 12 is in meshing connection with the driven gear 11; the power assembly 12 comprises a motor 121, a half gear 122, an annular plate 123, a toothed plate one 124 and a toothed plate two 125, the motor 121 is located on one side of the U-shaped frame 8, the output end of the motor 121 is fixedly connected with the half gear 122, the annular plate 123 is slidingly connected with one side of the U-shaped frame 8, the toothed plate one 124 is located on the top of the annular plate 123, the toothed plate one 124 is in meshing connection with the driven gear 11, the toothed plate two 125 is located on both sides of the inner wall of the annular plate 123, the half gear 122 is in meshing connection with the toothed plate two 125, the controller 15 is electrically connected with the motor 121, a fixed plate 13 is detachably connected with one side of the door frame body 1, a fire sensor 14 and the controller 15 are fixedly installed on one side of the fixed plate 13 respectively, and the electric sliding rails 7, the fire sensor 14 and the controller 15 are electrically connected respectively;

[0034] When a fire occurs on one side of the door body 2, the fire sensor 14 feeds back a signal to the controller 15, the controller 15 starts the electromagnetic valve 62, the electric sliding rail 7 and the motor 121, the electric sliding rail 7 drives the U-shaped frame 8 to move downward to open the closing plate 27, external water enters the inside of the circular pipe 9 through the connecting pipe 61, the water guide plate 63 and the hose 64, is sprayed out through the spray head 10, the output end of the motor 121 drives the half gear 122 to rotate, the half gear 122 drives the annular plate 123 to reciprocate through the tooth plate two 125, the annular plate 123 drives the driven gear 11 to reciprocate forward and reverse through the tooth plate one 124, so that the circular pipe 9 drives the spray head 10 to reciprocate forward and reverse by a certain angle to spray, reduce the damage of the door body 2, and improve the fireproof effect.

[0035] Specifically, the fixed cylinder 16 is fixedly installed on one side of the door frame body 1, the insertion rod 17 is fixedly installed on one side of the fixed plate 13, the insertion rod 17 is inserted between the fixed cylinder 16, the rectangular cylinder 18 is fixedly installed on one side of the fixed plate 13, the spring one 19 is fixedly connected to the inner wall of the rectangular cylinder 18, the arc-shaped block one 20 is fixedly connected to one end of the spring one 19, the connecting plate 21 is fixedly installed on one side of the door frame body 1, the rectangular slot one 22 is formed in one side of the connecting plate 21, the arc-shaped block one 20 is clamped between the rectangular slot one 22, the circular plate 23 is slidably connected to the inner side wall of the connecting plate 21, the spring two 24 is fixedly connected to one end of the connecting plate 21, the extrusion rod 25 is installed through the center of the circular plate 23.

[0036] The extrusion rod 25 drives the circular plate 23 to move to extrude the spring two 24, the extrusion rod 25 extrudes the arc-shaped block one 20, the arc-shaped block one 20 extrudes the spring one 19 through the rectangular cylinder 18, the arc-shaped block one 20 is separated from the rectangular slot one 22, the insertion rod 17 is separated from the fixed cylinder 16, and the fixed plate 13 is disassembled to maintain the fire sensor 14 and the controller 15.

[0037] Specifically, the rotating rod 26 is rotatably connected to the inner wall of the door frame body 1, the closing plate 27 is fixedly installed on the outer side wall of the rotating rod 26, the vortex spring 28 is fixedly installed on one side of the inner wall of the door frame body 1, and one end of the vortex spring 28 is connected to the rotating rod 26.

[0038] The electric sliding rail 7 drives the U-shaped frame 8 to move downward to open the closing plate 27, after the U-shaped frame 8 is separated from the closing plate 27, the vortex spring 28 drives the rotating rod 26 to rotate, and the rotating rod 26 drives the closing plate 27 to rotate and close.

[0039] Specific, the top of the door body 2 is detachably connected with a top plate 30, the bottom of the top plate 30 is fixedly installed with a clamping plate 31, the top of the door body 2 is provided with a clamping groove 29, the clamping plate 31 is inserted between the clamping groove 29, the top of the door body 2 is provided with a threaded groove one 32, the top of the top plate 30 is provided with a threaded groove two 33, the inside of the door body 2 is clamped with a fireproof plate 34, the inside of the fireproof plate 34 is fixedly installed with a soundproof plate 35, the two sides of the fireproof plate 34 are fixedly installed with a stabilizing rod 36, the two sides of the inner wall of the door body 2 are provided with a stabilizing groove 37, the stabilizing rod 36 is inserted between the stabilizing groove 37;

[0040] The stabilizing rod 36 of the two sides of the fireproof plate 34 is inserted into the inside of the stabilizing groove 37, the clamping plate 31 of the bottom of the top plate 30 is clamped into the inside of the clamping groove 29, the top plate 30 is connected with the threaded groove one 32 and the threaded groove two 33 through the threaded bolt, the top plate 30 is installed on the top of the door body 2, and the fireproof plate 34 is fixed.

[0041] Specific, the two sides of the inner wall of the door body 2 are fixedly connected with springs three 38, one end of the spring three 38 is fixedly connected with an arc-shaped block two 39, the two sides of the inner wall of the rectangular frame 4 are provided with a rectangular groove two 40, the arc-shaped block two 39 is clamped between the rectangular groove two 40;

[0042] The rectangular frame 4 is embedded in the groove on the surface of the door body 2, the rectangular frame 4 extrudes the arc-shaped block two 39, the arc-shaped block two 39 is stretched to the door body 2 to extrude the spring three 38, when the arc-shaped block two 39 coincides with the rectangular groove two 40, the spring three 38 drives the arc-shaped block two 39 to be clamped into the rectangular groove two 40, the sealing gasket 5 is installed, when the door body 2 is closed, the sealing gasket 5 is in contact with the soundproof frame 3, and the soundproof plate 35 is used for sound insulation.

[0043] The working process of the application: first, when a fire occurs on one side of the door body 2, the fire sensor 14 feeds back a signal to the controller 15, the controller 15 starts the electromagnetic valve 62, the electric sliding rail 7 and the motor 121, the electric sliding rail 7 drives the U-shaped frame 8 to move downward to open the closing plate 27, the external water enters the inside of the circular pipe 9 through the connecting pipe 61, the water guide plate 63 and the hose 64, is sprayed out through the spray head 10, the output end of the motor 121 drives the half gear 122 to rotate, the half gear 122 drives the annular plate 123 to reciprocate through the toothed plate two 125, the annular plate 123 drives the driven gear 11 to reciprocate through the toothed plate one 124, so that the circular pipe 9 drives the spray head 10 to reciprocate at a certain angle, the damage of the door body 2 is reduced, and the fireproof effect is improved;

[0044] The extrusion rod 25 is pressed to drive the circular plate 23 to move and extrude the spring two 24, the extrusion rod 25 extrudes the arc-shaped block one 20, the arc-shaped block one 20 extrudes the spring one 19 through the rectangular cylinder 18, and the arc-shaped block one 20 is separated from the rectangular groove one 22, so that the fixed plate 13 is disassembled to maintain the fire sensor 14 and the controller 15.

[0045] The above merely provides the preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall into the protection scope of the present application.

Claims

1. A fireproof and soundproof wooden composite door comprising a door frame body (1) and a door body (2), characterized in that: The door body (2) is connected with one side of the inner wall of the door frame body (1) through a hinge, and the inner wall of the door frame body (1) is fixedly installed with a sound insulation frame (3), the surface of the door body (2) is connected with a rectangular frame (4), one side of the rectangular frame (4) is fixedly installed with a sealing gasket (5), and the sealing gasket (5) is connected with the sound insulation frame (3); The inner wall of the door frame body (1) is fixedly installed with electric sliding rails (7) on both sides, the surface of the electric sliding rails (7) is slidingly connected with a U-shaped frame (8), the inner wall of the U-shaped frame (8) is rotatably connected with a circular pipe (9), the outer side wall of the circular pipe (9) is fixedly installed with a spray head (10), and one side of the door frame body (1) is provided with a conveying assembly (6), and the bottom end of the conveying assembly (6) is connected with the circular pipe (9); One end of the circular pipe (9) penetrates through the U-shaped frame (8) and is fixedly connected with a driven gear (11), one side of the U-shaped frame (8) is provided with a power assembly (12), and the power assembly (12) is in meshing connection with the driven gear (11); One side of the door frame body (1) is detachably connected with a fixed plate (13), one side of the fixed plate (13) is fixedly installed with a fire sensor (14) and a controller (15), respectively, and the electric sliding rails (7) and the fire sensor (14) are electrically connected with the controller (15), respectively; The power assembly (12) comprises a motor (121), a half gear (122), an annular plate (123), a toothed plate one (124) and a toothed plate two (125), the motor (121) is located on one side of the U-shaped frame (8), the output end of the motor (121) is fixedly connected with the half gear (122), the annular plate (123) is slidingly connected with one side of the U-shaped frame (8), the toothed plate one (124) is located on the top of the annular plate (123), the toothed plate one (124) is in meshing connection with the driven gear (11), the toothed plate two (125) is located on the inner wall of the annular plate (123) on both sides, the half gear (122) is in meshing connection with the toothed plate two (125), and the controller (15) is electrically connected with the motor (121); One side of the fixed plate (13) is fixedly installed with a rectangular cylinder (18), one side of the inner wall of the rectangular cylinder (18) is fixedly connected with a spring one (19), one end of the spring one (19) is fixedly connected with an arc-shaped block one (20), one side of the door frame body (1) is fixedly installed with a connecting plate (21), one side of the connecting plate (21) is provided with a rectangular groove one (22), the arc-shaped block one (20) is connected with the rectangular groove one (22), the inner side wall of the connecting plate (21) is slidingly connected with a circular plate (23), one side of the circular plate (23) is fixedly connected with a spring two (24), one end of the spring two (24) is fixedly connected with the connecting plate (21), and a pressing rod (25) penetrates through the center of the circular plate (23); The top of the door body (2) is detachably connected with a top plate (30), the bottom of the top plate (30) is fixedly installed with a clamping plate (31), the top of the door body (2) is provided with a clamping groove (29), and the clamping plate (31) and the clamping groove (29) are inserted. The inside of the door body (2) is clamped with a fireproof plate (34), the inside of the fireproof plate (34) is fixedly installed with a soundproof plate (35), both sides of the fireproof plate (34) are fixedly installed with a stabilizing rod (36), both sides of the inner wall of the door body (2) are provided with a stabilizing groove (37), and the stabilizing rod (36) and the stabilizing groove (37) are inserted.

2. The fireproof and soundproof wooden composite door according to claim 1, characterized in that: The conveying assembly (6) comprises a connecting pipe (61), an electromagnetic valve (62), a water guide plate (63) and a hose (64), the connecting pipe (61) is located on one side of the door frame body (1), the electromagnetic valve (62) is located on the outer side wall of the connecting pipe (61), one end of the connecting pipe (61) penetrates through the door frame body (1) and extends to the inside of the water guide plate (63), the top end of the hose (64) is connected with the water guide plate (63), the bottom end of the hose (64) is connected with the circular pipe (9), and the controller (15) is electrically connected with the electromagnetic valve (62).

3. The fireproof and soundproof wooden composite door according to claim 1, characterized in that: One side of the door frame body (1) is fixedly installed with a fixed cylinder (16), one side of the fixed plate (13) is fixedly installed with a plug rod (17), and the plug rod (17) and the fixed cylinder (16) are inserted.

4. The fireproof and soundproof wooden composite door according to claim 1, characterized in that: Both sides of the inner wall of the door frame body (1) are rotatably connected with rotating rods (26), the outer side wall of the rotating rod (26) is fixedly installed with a closing plate (27), one side of the inner wall of the door frame body (1) is fixedly installed with a vortex spring (28), and one end of the vortex spring (28) is connected with the rotating rod (26).

5. The fireproof and soundproof wooden composite door according to claim 1, characterized in that: The top of the door body (2) is provided with a threaded groove one (32), and the top of the top plate (30) penetrates through and is provided with a threaded groove two (33).

6. The fireproof and soundproof wooden composite door according to claim 1, characterized in that: Both sides of the inner wall of the door body (2) are fixedly connected with springs three (38), one end of the spring three (38) is fixedly connected with an arc-shaped block two (39), both sides of the inner wall of the rectangular frame (4) are provided with rectangular grooves two (40), and the arc-shaped block two (39) and the rectangular grooves two (40) are clamped.

Citation Information

Patent Citations

  • Fireproof and sound insulation wood composite door

    CN114016881A

  • Fireproof roller shutter door with water spraying function

    CN212105671U