Anti-collision sound insulation steel door

Abstract

The utility model relates to the technical field of doors, and discloses an anti-collision sound insulation steel door which comprises a steel door body and a sealing frame fixedly connected to the outer surface of the steel door body, a fixing groove is formed in the surface of the sealing frame, an annular air bag is fixedly installed in the fixing groove, and an elastic block is fixedly connected to the outer surface of the annular air bag. The inner wall of the annular air bag is fixedly connected with an elastic band, and pressurizing assemblies are installed in the steel door body at equal intervals. By installing the pressurizing assembly, when the door is closed, the inner wall of the door frame abuts against the abutting column, the limiting plate is driven to slide and pressurize, strong pressure enables the annular air bag to expand through the sealing assembly and the communicating pipe, the elastic block is promoted to be attached to the inner wall of the door frame, and therefore the sealing performance of the steel door and the door frame is improved, sound transmission can be blocked, the sound insulation effect is improved, and a quiet environment is created; when the steel door is impacted by external force, impact force is buffered and dispersed through the annular air bag, the door body and the door frame are prevented from being damaged and deformed, the service life of the steel door is prolonged, and maintenance and replacement cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to door technical field more particularly to a kind of anti-collision sound insulation steel doors. BACKGROUND

[0002] Most steel doors rely on hinge to realize the rotary connection of door body and door frame, and the hinge itself is a component with certain thickness and structure, which occupies a certain space between door and door frame after installation, which makes it difficult for sealing strip to completely adhere to fill the gap between the two on the side where the hinge is located. Even if the sealing strip extends to the area, it is also prone to displacement and deformation due to the movement and friction of the hinge during repeated opening and closing of the door, making it difficult to maintain a good sealing state, thereby leaving gaps for sound, air and other substances to pass through, affecting the overall sealing and sound insulation effect. SUMMARY

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-collision sound insulation steel door to solve the problems existing in the background art.

[0004] The utility model provides the following technical scheme: an anti-collision sound insulation steel door, comprising a steel door body and a sealing frame fixedly connected to the outer surface of the steel door body, a fixing groove is formed on the surface of the sealing frame, an annular air bag is fixedly installed inside the fixing groove, an elastic block is fixedly connected to the outer surface of the annular air bag, an elastic band is fixedly connected to the inner wall of the annular air bag, and a booster assembly is installed equidistantly inside the steel door body.

[0005] The booster assembly comprises a communication pipe fixedly installed equidistantly inside the sealing frame, a one-way valve is fixedly installed on one end surface of the communication pipe, a sealing assembly is installed on the other end surface of the communication pipe, a limiting groove is equidistantly formed inside the sealing frame, a limiting plate is sealingly and slidably connected inside the limiting groove, and a resisting column is fixedly connected to the surface of the limiting plate.

[0006] Further, the sealing assembly comprises a fixed block fixedly connected inside the sealing frame, a sealing cavity is formed in the inside of the fixed block, a sealing box is sealingly attached to the inner wall of the sealing cavity, a connecting rod is fixedly connected to the surface center of the sealing box, a protruding block is fixedly connected to the surface of the connecting rod away from the sealing box, an air passing groove is equidistantly formed through the surface of the connecting rod, a limiting ring is fixedly sleeved to the outer surface of the connecting rod, a spring is movably sleeved to the outer surface of the connecting rod, and an air outlet groove is equidistantly formed on the surface of the sealing box close to the connecting rod.

[0007] Further, the inside of the sealing cavity is connected in communication with the inside of the annular air bag through the communication pipe, and the annular air bag is in a deflated state under normal conditions due to the elasticity of the elastic band, and the elastic block is a silica gel plate.

[0008] Further, the abutment column extends away from the surface of the limiting plate to the outside of the sealing frame, and the end face of the abutment column is arc-shaped, and the inside of the communication pipe is connected with the inside of the limiting groove through a one-way valve.

[0009] Further, the connecting rod and the protrusion both extend to the inside of the limiting groove, and the inside of the limiting groove is connected with the inside of the air outlet groove through the air passage and the sealing box.

[0010] Further, the sealing box is fixedly installed with a sealing plate close to the surface of the connecting rod, and the sealing box is sealed and fitted on the inner wall of the sealing cavity through the sealing plate.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The utility model discloses a sealing performance is improved between the steel door body and the door frame, and the close fitting can greatly block the sound propagation path, reduces the outside noise and transmits into the room and the room sound diffuses outward, improves the sound insulation performance of whole, creates more quiet environment for the room, and the annular air bag forms a soft buffer area at the contact part of the steel door body and the door frame after expansion, when the steel door body is impacted by external force, the annular air bag can first bear and disperse a part of impact force, avoids the direct rigid collision between the steel door body and the door frame and causes the damage of door body or door frame, prolongs the service life of steel door body, and reduces the maintenance or replacement cost.

[0013] 2. The utility model discloses a sealing assembly is set up, and the annular air bag does not expand in the process of the steel door body rotation, and when the limiting plate drives the protrusion to slide after the steel door body is completely closed, the strong pressure in the limiting groove can enter the inside of the annular air bag, can avoid the wear and tear of elastic block when the steel door body rotates, prolongs the service life of annular air bag and elastic block. DRAWINGS

[0014] Figure 1 It is the structure schematic view of the utility model;

[0015] Figure 2 It is the longitudinal section view of the utility model;

[0016] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0017] Figure 4It is the sectional view of the sealing assembly in the utility model.

[0018] Figure 5 It is the perspective view of the sealing assembly in the utility model.

[0019] The figure mark is: 1, steel door main body;2, sealing frame;3, fixed groove;4, annular air bag;5, elastic block;6, elastic band;7, booster assembly;71, communication pipe;72, sealing assembly;721, fixed block;722, sealing cavity;723, sealing box;724, connecting rod;725, convex block;726, air passage;727, limiting ring;728, spring;729, air outlet groove;73, check valve;74, limiting groove;75, limiting plate;76, abutting column. DETAILED DESCRIPTION

[0020] The utility model will be further explained below in combination with specific embodiments, however, people skilled in the art should understand that the detailed description given in combination with the drawings is for better explanation, the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement schemes or common means, the detailed description will not be described in the text, but still belongs to the protection scope of the application.

[0021] Figures 1-5 It is the best embodiment of the utility model, the following will be combined with the Figures 1-5 The utility model will be further explained.

[0022] Specifically, a kind of anti-collision sound insulation steel door, including steel door main body 1 and sealing frame 2 being fixedly connected to the outer surface of steel door main body 1, the surface of sealing frame 2 is equipped with fixed groove 3, annular air bag 4 is fixedly installed in the inside of fixed groove 3, annular air bag 4 outer surface is fixedly connected with elastic block 5, annular air bag 4 inner wall is fixedly connected with elastic band 6, and booster assembly 7 is installed at equal intervals in the inside of steel door main body 1;

[0023] Booster assembly 7 includes communication pipe 71 being fixedly installed at equal intervals in the inside of sealing frame 2, one-way valve 73 is fixedly installed in one end surface of communication pipe 71, sealing assembly 72 is installed in the other end surface of communication pipe 71, limiting groove 74 is equipped at equal intervals in the inside of sealing frame 2, limiting plate 75 is sealingly slidably connected in the inside of limiting groove 74, and abutting column 76 is fixedly connected on the surface of limiting plate 75.

[0024] In the embodiment, by installing the pressurizing assembly 7, when the steel door body 1 is closed in the door frame through the hinge rotation, the abutting of the inner wall of the door frame and the abutting column 76 can drive the limiting plate 75 to slide and pressurize the inside of the limiting groove 74, the strong pressure can enter the inside of the annular air bag 4 through the sealing assembly 72 and the communication pipe 71, and the annular air bag 4 is inflated, at the same time, the surface of the elastic block 5 is sealed and attached to the inner wall of the door frame, which can improve the sealing performance between the steel door body 1 and the door frame. Such close attachment can greatly block the sound propagation path, reduce the transmission of external noise into the room and the diffusion of indoor sound to the outside, improve the overall sound insulation performance, and create a quieter environment in the room. At the same time, the annular air bag 4 forms a soft buffer area at the contact part of the steel door body 1 and the door frame after inflation. When the steel door body 1 is impacted by external force, the annular air bag 4 can first bear and disperse part of the impact force, avoid direct rigid collision between the steel door body 1 and the door frame to cause damage or deformation of the door body or the door frame, prolong the service life of the steel door body 1, and reduce the maintenance or replacement cost.

[0025] Specifically, the sealing assembly 72 comprises a fixed block 721 fixedly connected inside the sealing frame 2, a sealing cavity 722 is formed in the inside of the fixed block 721, a sealing box 723 is sealed and attached to the inner wall of the sealing cavity 722, a connecting rod 724 is fixedly connected to the surface center of the sealing box 723, a protruding block 725 is fixedly connected to the surface of the connecting rod 724 away from the sealing box 723, air passing grooves 726 are equidistantly formed through the surface of the connecting rod 724, a limiting ring 727 is fixedly sleeved to the outer surface of the connecting rod 724, springs 728 are movably sleeved to the outer surface of the connecting rod 724, and air outlet grooves 729 are equidistantly formed in the surface of the sealing box 723 close to the connecting rod 724.

[0026] In the embodiment, by arranging the sealing assembly 72, the annular air bag 4 will not be inflated during the rotation of the steel door body 1, and the strong pressure in the limiting groove 74 will enter the inside of the annular air bag 4 only when the limiting plate 75 drives the protruding block 725 to slide after the steel door body 1 is completely closed, which can avoid the wear of the elastic block 5 during the rotation of the steel door body 1, and prolong the service life of the annular air bag 4 and the elastic block 5.

[0027] Specifically, the inside of the sealing cavity 722 is connected with the inside of the annular air bag 4 through the communication pipe 71, and under normal circumstances, the annular air bag 4 is in a deflated state through the elasticity of the elastic band 6, and the elastic block 5 is a silica gel plate.

[0028] In the embodiment, by arranging the elastic block 5, the outside of the annular air bag 4 can be protected, and the sealing performance between the annular air bag 4 and the door frame can be improved.

[0029] Specifically, the abutting column 76 extends away from the surface of the limiting plate 75 to the outside of the sealing frame 2, and the end face of the abutting column 76 is arc-shaped, and the inside of the communication pipe 71 is connected with the inside of the limiting groove 74 through the one-way valve 73.

[0030] In the embodiment, by arranging the one-way valve 73, the strong pressure in the inside of the limiting groove 74 can only enter into the inside of the communication pipe 71 through the sealing assembly 72.

[0031] Specifically, the connecting rod 724 and the convex block 725 both extend into the inside of the limiting groove 74, and the inside of the limiting groove 74 is connected with the inside of the air outlet groove 729 through the air passing groove 726 and the sealing box 723.

[0032] In the embodiment, by arranging the convex block 725, the limiting plate 75 can be prevented from directly abutting against the surface of the connecting rod 724, so as to affect the flowability of the gas in the inside of the air passing groove 726.

[0033] Specifically, the sealing plate is fixedly installed on the surface of the sealing box 723 close to the connecting rod 724, and the sealing box 723 is sealedly abutted against the inner wall of the sealing cavity 722 through the sealing plate.

[0034] In the embodiment, by arranging the sealing plate, the sealing property of the sealing box 723 and the inner wall of the sealing cavity 722 can be enhanced.

[0035] The working principle and the use process of the utility model are as follows: when closing the door, the steel door main body 1 rotates in the door frame through the hinge, in the process of rotation, the surface of the abutting column 76 abuts against the inner wall of the door frame, and the abutting column 76 drives the limiting plate 75 to slide towards the sealing assembly 72, at this time, the inside of the limiting groove 74 is in a strong pressure state, when the sealing frame 2 abuts against the door frame, the surface of the limiting plate 75 abuts against the surface of the convex block 725, and the sealing box 723 is driven to slide rightwards through the convex block 725 and the connecting rod 724, when the sealing box 723 does not abut against the inner wall of the sealing cavity 722, the strong pressure in the inside of the limiting groove 74 enters into the inside of the sealing cavity 722 through the air passing groove 726, the sealing box 723 and the air outlet groove 729, and then enters into the inside of the annular air bag 4 through the communication pipe 71, and the annular air bag 4 is inflated, and the surface of the elastic block 5 is sealedly abutted against the inner wall of the door frame, so that the sealing performance between the steel door main body 1 and the door frame can be improved, when opening the door, the abutting column 76 is not extruded by external force, the air in the inside of the annular air bag 4 returns to the inside of the limiting groove 74 through the strong pressure in the inside of the annular air bag 4 and the tension of the elastic band 6, the limiting plate 75 drives the abutting column 76 to slide away from the sealing assembly 72, and the annular air bag 4 is retracted into the inside of the fixed groove 3, so that the annular air bag 4 can be stored.

[0036] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A collision-proof soundproof steel door, comprising a steel door body (1) and a sealing frame (2) fixedly connected to the outer surface of the steel door body (1), characterized in that: The surface of the sealing frame (2) is provided with a fixed groove (3), the inside of the fixed groove (3) is fixedly provided with an annular air bag (4), the outer surface of the annular air bag (4) is fixedly connected with an elastic block (5), the inner wall of the annular air bag (4) is fixedly connected with an elastic band (6), the inside of the steel door body (1) is equidistantly provided with a booster assembly (7); The booster assembly (7) comprises a communication pipe (71) fixedly arranged equidistantly in the sealing frame (2), one end surface of the communication pipe (71) is fixedly provided with a one-way valve (73), the other end surface of the communication pipe (71) is provided with a sealing assembly (72), the inside of the sealing frame (2) is equidistantly provided with a limiting groove (74), the inside of the limiting groove (74) is sealingly and slidably connected with a limiting plate (75), the surface of the limiting plate (75) is fixedly connected with an abutting column (76).

2. The anti-collision and sound insulation steel door according to claim 1, characterized in that: The sealing assembly (72) comprises a fixed block (721) fixedly connected in the sealing frame (2), the inside of the fixed block (721) is provided with a sealing cavity (722), the inner wall of the sealing cavity (722) is sealingly and tightly connected with a sealing box (723), the surface center of the sealing box (723) is fixedly connected with a connecting rod (724), the surface of the connecting rod (724) away from the sealing box (723) is fixedly connected with a protruding block (725), the surface of the connecting rod (724) is equidistantly and penetratingly provided with an air passing groove (726), the outer surface of the connecting rod (724) is fixedly sleeved with a limiting ring (727), the outer surface of the connecting rod (724) movably sleeved with a spring (728), the surface of the sealing box (723) close to the connecting rod (724) is equidistantly provided with an air outlet groove (729).

3. The anti-collision and sound insulation steel door according to claim 2, characterized in that: The inside of the sealing cavity (722) is communicated with the inside of the annular air bag (4) through the communication pipe (71), under normal circumstances, the annular air bag (4) is in a deflated state through the elasticity of the elastic band (6), and the elastic block (5) is a silica gel plate.

4. The anti-collision and soundproof steel door according to claim 1, characterized in that: The surface of the abutting column (76) away from the limiting plate (75) extends to the outside of the sealing frame (2), the end surface of the abutting column (76) is arc-shaped, and the inside of the communication pipe (71) is communicated with the inside of the limiting groove (74) through the one-way valve (73).

5. The anti-collision and soundproof steel door according to claim 2, characterized in that: The connecting rod (724) and the protruding block (725) both extend to the inside of the limiting groove (74), and the inside of the limiting groove (74) is communicated with the inside of the air outlet groove (729) through the air passing groove (726) and the sealing box (723).

6. The anti-collision and sound insulation steel door according to claim 2, characterized in that: The sealing box (723) is fixedly provided with a sealing plate on the surface close to the connecting rod (724), and the sealing box (723) is sealingly and tightly connected with the inner wall of the sealing cavity (722) through the sealing plate.

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