Steel structure protective door with good sound insulation effect

Abstract

The utility model relates to the technical field of protective doors, in particular to a steel structure protective door with a good sound insulation effect, which comprises a fixed frame, three groups of #-shaped support frames are fixedly connected in the fixed frame, and the front side and the rear side of the fixed frame are respectively and fixedly connected with a front sealing plate and a rear sealing plate. Sound insulation mechanisms are arranged on the inner sides of the front supporting frame and the rear supporting frame, each sound insulation mechanism comprises a plurality of sound insulation plates, sound insulation felts and sound insulation cotton, and sealing steel plates are fixedly connected to the rear side surface of the front supporting frame, the front side surface and the rear side surface of the middle supporting frame and the front side surface of the rear supporting frame; hollow chambers are arranged between the two groups of sealing steel plates on the front side and between the two groups of sealing steel plates on the rear side; the sound insulation plate, the sound insulation felt and the sound insulation cotton are arranged to be small blocks to be filled in the inner side of the supporting frame, the supporting frame protects the sound insulation mechanism, the use safety of the sound insulation mechanism is improved, meanwhile, the two sets of hollow chambers formed by the sealing steel plates further obstruct sound, and the sound insulation effect of the protective door is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of protective doors, in particular to a steel structure protective door with good sound insulation effect. Background Art

[0002] A protective door is a door that can withstand various shock waves or collisions of heavy objects. It is generally made of steel. A protective door is a door that can withstand various shock waves or collisions of heavy objects. It is generally made of steel.

[0003] Among them, announcement number CN214576619U discloses a manual steel-structured protective door with good sound insulation effect, which relates to the technical field of protective doors. The manual steel-structured protective door with good sound insulation effect comprises a door frame, both sides of the outer wall of the door frame are fixedly installed with a frame, one side of the outer wall of the door frame is hingedly installed with a protective door body, the rear side of the protective door body is provided with a through hole, the front side of the protective door body is fixedly installed with a handle, the adjacent inner wall of the protective door body is fixedly installed with a connecting plate, the adjacent inner wall of the protective door body is fixedly installed with a sliding rod, and the interior of the protective door body is provided with an auxiliary mechanism. The utility model has a simple structure, can reduce the amplitude caused by noise, has a good sound absorption effect, can weaken the noise through the coordinated use of the sound cavity, and reduces the sharpness of the noise to a certain extent. Through the coordinated use of the sound insulation board, the noise is further absorbed, so that the noise is reduced to the lightest, thereby reducing the interference of the noise to the user.

[0004] Although the protective door effectively isolates sound, when the protective door is hit by an explosion, the impact force generated can easily cause damage to the internal sound-absorbing cavity and sound insulation board, which in turn makes it impossible to effectively block the sound and unable to block subsequent sounds, and its practicality is low.

[0005] Therefore, it is necessary to invent a steel structure protective door with good sound insulation effect to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a steel structure protective door with good sound insulation effect, so as to solve the problem that when the protective door is subjected to the impact of an explosion, the impact force generated is likely to cause damage to the internal sound absorbing cavity and the sound insulation board, thereby resulting in the inability to effectively block the sound, and the inability to block the subsequent sound, resulting in low practicality.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel structure protective door with good sound insulation effect, comprising a fixed frame, three groups of criss-cross-shaped support frames are fixedly connected inside the fixed frame, a front sealing plate and a rear sealing plate are fixedly connected to the front and rear sides of the fixed frame respectively, and sound insulation mechanisms are arranged on the inner sides of the front and rear groups of support frames, the sound insulation mechanisms include several groups of sound insulation panels, sound insulation felts and sound insulation cotton, the rear side surface of the front support frame, the front and rear side surfaces of the middle support frame and the front side surface of the rear support frame are fixedly connected with sealing steel plates, and hollow chambers are arranged between the two front groups of sealing steel plates and between the two rear groups of sealing steel plates.

[0008] By adopting the above technical solution, multiple groups of support frames are used to support the inside of the fixed frame, and the sound insulation board, sound insulation felt and sound insulation cotton are set as small pieces, which are respectively filled in the criss-cross gaps on the inner side of the support frame to block the sound, and the sound is further blocked by two groups of hollow chambers, thereby further improving the sound insulation effect of the protective door. Even if the sound insulation mechanism is damaged, the two groups of hollow chambers can still block the sound, thereby effectively improving the sound insulation effect of the protective door.

[0009] Optionally, a plurality of groups of the sound insulation panels, the sound insulation felts and the sound insulation cottons are respectively filled in the criss-cross shaped gaps on the inner side of the support frame.

[0010] Optionally, the sound insulation board is fixedly connected to the surface of the sealing steel plate, the sound insulation felt is fixedly connected to the surfaces of the front sealing plate and the rear sealing plate, and the sound insulation cotton is located between the sound insulation board and the sound insulation felt.

[0011] By adopting the above technical solution, the sound insulation mechanism is protected by the support frame, thereby improving the safety of the use of the sound insulation mechanism.

[0012] Optionally, a first connecting through hole is opened between the front sealing plate and the four groups of sealing steel plates, a second connecting through hole is opened on the surface of the rear sealing plate coaxially with the first connecting through hole, an observation pipe is fixedly connected to the interior of the first connecting through hole, and the rear end of the observation pipe is fixedly connected to the inner surface of the rear sealing plate.

[0013] By adopting the above technical solution, the observation pipeline is used to connect indoors and outdoors, which facilitates effective communication between indoors and outdoors during rescue.

[0014] Optionally, a sealing plug is slidably connected to the rear side of the observation pipe, and the sealing plug is inserted into the interior of the second connecting through hole.

[0015] By adopting the above technical solution, the sealing plug seals the rear end of the observation pipe.

[0016] Optionally, a support rod is fixedly connected to the front end of the sealing plug, a positioning rod is fixedly connected to the side of the support rod, and the positioning rod is tightly abutted against the side wall of the observation pipe.

[0017] Optionally, a sealing baffle is clamped at the front end of the observation pipe, and the rear end of the sealing baffle is tightly abutted against the front end of the support rod. The front end of the sealing baffle and the surface of the front sealing plate at the right side of the sealing baffle are fixedly connected with a clamping block, and a plug-in rod is clamped inside the clamping block. The left end of the plug-in rod is rotatably connected to a rotating block, and the rotating block is fixedly connected to the surface of the front sealing plate at the left side of the sealing baffle.

[0018] By adopting the above technical solution, the sealing baffle seals the front end of the observation pipe, and the sealing baffle cooperates with the support rod to position the sealing plug, and the plug rod is clamped inside the clamping block to fix the position of the sealing baffle.

[0019] Optionally, the front end of the sealing baffle is fixedly connected to a first connecting block, the front end of the first connecting block is rotatably connected to a connecting rod, the lower end of the connecting rod is rotatably connected to a second connecting block, and the second connecting block is fixedly connected to the surface of the front sealing plate at a position located on the lower side of the sealing baffle.

[0020] By adopting the above technical solution, the sealing baffle is rotated downward through the connecting rod to open the front end of the observation pipe.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] 1. The utility model blocks the sound by setting the sound insulation board, the sound insulation felt and the sound insulation cotton into small pieces, respectively filling them in the tic-tac-toe gap inside the support frame, and the support frame protects the sound insulation mechanism, thereby improving the use safety of the sound insulation mechanism. At the same time, the two groups of hollow chambers further block the sound, further improving the sound insulation effect of the protective door. Even if the sound insulation mechanism is damaged, the two groups of hollow chambers can still block the sound, effectively improving the sound insulation effect of the protective door, and solving the problem that the sound absorption cavity and the sound insulation board are damaged, which leads to the inability to effectively block the sound, and the inability to block the subsequent sound, and the low practicality;

[0023] 2. The utility model fixes an observation pipe inside the protective door. After the danger is eliminated, the observation pipe can be opened to observe the external environment. At the same time, when rescuing trapped persons, timely and effective communication between indoors and outdoors can be achieved, avoiding the protective door from blocking sound and improving rescue efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the support frame structure of the utility model;

[0027] Figure 4 for Figure 3 A schematic cross-sectional structure diagram of ;

[0028] Figure 5 This is a schematic diagram of the connecting through hole structure of the utility model;

[0029] Figure 6 This is a schematic diagram of the observation pipeline structure of the utility model.

[0030] Description of reference numerals:

[0031] 1. Fixed frame; 11. Front sealing plate; 12. Rear sealing plate; 13. Sealing steel plate; 14. Hollow chamber; 15. Support frame; 16. Sound insulation board; 17. Sound insulation felt; 18. Sound insulation cotton; 19. First connecting through hole; 110. Second connecting through hole; 2. Observation pipe; 21. Sealing plug; 22. Support rod; 23. Positioning rod; 24. Sealing baffle; 25. Clamping block; 26. First connecting block; 27. Connecting rod; 28. Second connecting block; 29. ​​Connecting rod; 210. Rotating block. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0033] The utility model provides Figures 1 to 3 The steel structure protective door with good sound insulation effect shown in the figure comprises a fixed frame 1, three groups of support frames 15 in a crisscross shape are fixedly connected inside the fixed frame 1, a front sealing plate 11 and a rear sealing plate 12 are fixedly connected to the front and rear sides of the fixed frame 1, and sound insulation mechanisms are arranged on the inner sides of the front and rear groups of support frames 15, and the sound insulation mechanisms include a plurality of groups of sound insulation boards 16, sound insulation felts 17 and sound insulation cotton 18, and the rear side surface of the front support frame 15, the front and rear side surfaces of the middle support frame 15 and the rear support frame 15 are connected to the front and rear sides of the fixed frame 11. The front surface of the frame 15 is fixedly connected with a sealing steel plate 13, and a hollow chamber 14 is provided between the two groups of sealing steel plates 13 on the front side and between the two groups of sealing steel plates 13 on the rear side. Multiple groups of sound insulation boards 16, sound insulation felts 17 and sound insulation cotton 18 are respectively filled in the criss-cross shaped gaps on the inner side of the support frame 15, the sound insulation boards 16 are fixedly connected to the surfaces of the sealing steel plates 13, the sound insulation felts 17 are fixedly connected to the surfaces of the front sealing plates 11 and the rear sealing plates 12, and the sound insulation cotton 18 is located between the sound insulation boards 16 and the sound insulation felts 17.

[0034] Among them, three groups of support frames 15 are fixed inside the fixed frame 1 to improve the structural strength of the protective door, and the sound insulation board 16, sound insulation felt 17 and sound insulation cotton 18 are set as small pieces, which are respectively filled in the criss-cross gaps on the inner side of the support frame 15 to block the sound. The support frame 15 protects the sound insulation mechanism and improves the safety of the sound insulation mechanism. At the same time, the two groups of hollow chambers 14 composed of the sealing steel plate 13 further block the sound and further improve the sound insulation effect of the protective door. Even if the sound insulation mechanism is damaged, the two groups of hollow chambers 14 can still block the sound, effectively improving the sound insulation effect of the protective door.

[0035] See also Figures 4 to 6 A first connecting through hole 19 is provided between the front sealing plate 11 and the four sets of sealing steel plates 13, a second connecting through hole 110 is provided on the surface of the rear sealing plate 12 coaxially with the first connecting through hole 19, an observation pipe 2 is fixedly connected inside the first connecting through hole 19, a rear end of the observation pipe 2 is fixedly connected to the inner surface of the rear sealing plate 12, a sealing plug 21 is slidably connected to the rear side of the observation pipe 2, the sealing plug 21 is inserted into the second connecting through hole 110, a support rod 22 is fixedly connected to the front end of the sealing plug 21, a positioning rod 23 is fixedly connected to the side of the support rod 22, the positioning rod 23 is tightly against the side wall of the observation pipe 2, a sealing baffle 24 is clamped at the front end of the observation pipe 2, and the sealing baffle The rear end of the plate 24 is tightly against the front end of the support rod 22, and the front end of the sealing baffle 24 and the surface of the front sealing plate 11 at the right side of the sealing baffle 24 are fixedly connected with a clamping block 25, and the inside of the clamping block 25 is clamped with a plug-in rod 29, and the left end of the plug-in rod 29 is rotatably connected with a rotating block 210, and the rotating block 210 is fixedly connected to the surface of the front sealing plate 11 at the left side of the sealing baffle 24, and the front end of the sealing baffle 24 is fixedly connected with a first connecting block 26, and the front end of the first connecting block 26 is rotatably connected with a connecting rod 27, and the lower end of the connecting rod 27 is rotatably connected with a second connecting block 28, and the second connecting block 28 is fixedly connected to the surface of the front sealing plate 11 at the lower side of the sealing baffle 24.

[0036] Specifically, during the production process, first, a group of support frames 15 are fixed to the middle part of the fixed frame 1, and then the sealing steel plates 13 are welded to the front and rear sides of the middle support frame 15, and then the two groups of sealing steel plates 13 are respectively welded to the front and rear sides of the first group of sealing steel plates 13, and then the other two groups of support frames 15 are welded near the front and rear sides of the fixed frame 1, and then the first connecting through hole 19 is opened on the surface of the four groups of sealing steel plates 13, and the observation pipe 2 is welded to the inside of the first connecting through hole 19, and then the inside of the front and rear groups of support frames 15 is filled with sound insulation boards 16 and sound insulation cotton 18 in turn, and then the sound insulation felt 17 is fixed on the surface of the front sealing plate 11 and the rear sealing plate 12, and then the front sealing plate 11 and the rear sealing plate 12 are welded to the front and rear sides of the fixed frame 1.

[0037] At the same time, when not in use, the sealing plug 21 is inserted into the interior of the observation pipe 2 from the front side, and the sealing plug 21 is inserted into the interior of the second connecting hole 110, and then the sealing baffle 24 is rotated upward and inserted into the front side of the observation pipe 2, and the plug-in rod 29 is rotated to the right and inserted into the inner side of the clamping block 25 to clamp and fix the sealing baffle 24.

[0038] Working principle of the utility model: in order to reduce the damage of the sound insulation mechanism and further improve the sound insulation effect of the protective door, the sound insulation board 16, the sound insulation felt 17 and the sound insulation cotton 18 are set as small pieces and filled in the criss-cross gaps on the inner side of the support frame 15 respectively to block the sound. The support frame 15 protects the sound insulation mechanism and improves the safety of the sound insulation mechanism. At the same time, the two groups of hollow chambers 14 composed of the sealing steel plate 13 further block the sound and further improve the sound insulation effect of the protective door.

[0039] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A steel structure protective door with good sound insulation effect, comprising a fixed frame (1), characterized in that: Three groups of support frames (15) in a crisscross shape are fixedly connected inside the fixed frame (1), and a front sealing plate (11) and a rear sealing plate (12) are fixedly connected to the front and rear sides of the fixed frame (1), respectively. A sound insulation mechanism is arranged inside the front and rear groups of the support frames (15), and the sound insulation mechanism comprises a plurality of groups of sound insulation plates (16), sound insulation felt (17) and sound insulation cotton (18). The rear surface of the front support frame (15), the front and rear side surfaces of the middle support frame (15) and the front surface of the rear support frame (15) are fixedly connected with sealing steel plates (13), and a hollow chamber (14) is arranged between the two front groups of the sealing steel plates (13) and between the two rear groups of the sealing steel plates (13).

2. A steel structure protective door with good sound insulation effect according to claim 1, characterized in that: A plurality of groups of the sound insulation boards (16), the sound insulation felts (17), and the sound insulation cotton (18) are respectively filled in the tic-tac-toe slits inside the support frame (15).

3. A steel structure protective door with good sound insulation effect according to claim 2, characterized in that: The sound insulation board (16) is fixedly connected to the surface of the sealing steel plate (13), the sound insulation felt (17) is fixedly connected to the surfaces of the front sealing plate (11) and the rear sealing plate (12), and the sound insulation cotton (18) is located between the sound insulation board (16) and the sound insulation felt (17).

4. A steel structure protective door with good sound insulation effect according to claim 1, characterized in that: A first connecting through hole (19) is provided between the front sealing plate (11) and the four groups of sealing steel plates (13); a second connecting through hole (110) is provided on the surface of the rear sealing plate (12) coaxially with the first connecting through hole (19); an observation pipe (2) is fixedly connected inside the first connecting through hole (19); and a rear end of the observation pipe (2) is fixedly connected to the inner surface of the rear sealing plate (12).

5. A steel structure protective door with good sound insulation effect according to claim 4, characterized in that: A sealing plug (21) is slidably connected to the rear side of the observation pipe (2), and the sealing plug (21) is inserted into the interior of the second connecting through hole (110).

6. A steel structure protective door with good sound insulation effect according to claim 5, characterized in that: The front end of the sealing plug (21) is fixedly connected to a support rod (22), the side of the support rod (22) is fixedly connected to a positioning rod (23), and the positioning rod (23) is tightly abutted against the side wall of the observation pipe (2).

7. A steel structure protective door with good sound insulation effect according to claim 6, characterized in that: The front end of the observation pipe (2) is clamped with a sealing baffle (24), the rear end of the sealing baffle (24) is tightly abutted against the front end of the support rod (22), the front end of the sealing baffle (24) and a position on the surface of the front sealing plate (11) located on the right side of the sealing baffle (24) are fixedly connected with a clamping block (25), the interior of the clamping block (25) is clamped with a plug-in rod (29), the left end of the plug-in rod (29) is rotatably connected with a rotating block (210), and the rotating block (210) is fixedly connected to a position on the surface of the front sealing plate (11) located on the left side of the sealing baffle (24).

8. A steel structure protective door with good sound insulation effect according to claim 7, characterized in that: The front end of the sealing baffle (24) is fixedly connected to a first connecting block (26), the front end of the first connecting block (26) is rotatably connected to a connecting rod (27), the lower end of the connecting rod (27) is rotatably connected to a second connecting block (28), and the second connecting block (28) is fixedly connected to a surface of the front sealing plate (11) at a position below the sealing baffle (24).

Images