Anti-collision steel door with good air tightness and noise reduction

The combined structure of the support device, sealed door panels, double-layer soundproof glass and rubber buffer door panels solves the problems of insufficient air tightness and noise isolation of steel doors, achieving better impact protection and sound insulation effects.

CN223469188UActive Publication Date: 2025-10-24SUZHOU GAOXIN PURIFYING SCI & TECH
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Patent Information

Application Number
CN202422546175.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-10-24
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

The existing steel doors had insufficient airtightness and noise isolation performance, and poor external impact resistance.

Method used

It adopts a combined structure of supporting device, sealed door panel, double-layer soundproof glass, rubber buffer door panel and soundproof foam sponge. Stable sliding is achieved through sealed sliding grooves and plug-in sliding shafts. Support springs provide buffering, forming a double buffer and sealed cavity to improve air tightness and sound insulation performance.

Benefits of technology

It significantly improves the air tightness, sound insulation and impact resistance of steel doors, and enhances the overall practical performance of the doors.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223469188U_ABST
    Figure CN223469188U_ABST
Patent Text Reader

Abstract

The utility model discloses a steel door with good air tightness, noise reduction and collision prevention. The steel door comprises a supporting device used for supporting, and a sealing door plate used for sealing is fixedly arranged on the rear end face of the supporting device. The sealing door plate is in sealed connection with the rear portion of the steel door shell, the air tightness of the door body can be effectively improved, the first sound insulation foaming sponge and the second sound insulation foaming sponge in the steel door shell can effectively improve the sound insulation of the door body, and the service life of the door body is prolonged. Meanwhile, the steel door shell and the sealing door plate as well as the steel door shell and the rubber buffering door plate can jointly form two groups of sealing cavities, so that the overall sound insulation performance of the steel door can be improved to the maximum extent by matching with a first sound insulation foaming sponge and a second sound insulation foaming sponge; and the anti-collision protection performance of the exterior of the steel door can be effectively improved, and the practical performance of the steel door is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to steel door technical field, concretely is good air tightness, noise reduction anti -collision steel door. BACKGROUND

[0002] Steel door is the door that steel material is used as main material to make, has firm durable, safety protection etc. Significant characteristics, steel door with its firm durable, safety protection, corrosion resistance, design flexibility and easy maintenance etc. Characteristics, has obtained the extensive application in each field.

[0003] Such as the publication number for: CN215056863U, the utility model patent that discloses a kind of steel soundproof door, including bottom plate, two groups of side plates fixedly connected in the upper end of bottom plate, top plate fixedly connected in the upper end of two groups of side plates, steel door plate fixedly connected in the upper end of bottom plate, and two groups of combined leaves for connecting right side plate and steel door plate, the utility model is provided with buffer assembly, buffer assembly includes recess fixedly connected on top plate, buffer spring is fixedly connected on the inner wall of the bottom end of recess, the other end of buffer spring is fixedly connected with movable plate, movable plate is slidingly connected on the inner wall of recess, movable plate is fixedly connected with arc top block in the end away from buffer spring, steel door plate is fixedly connected with pressure block on the side close to top plate, by the elasticity of buffer spring, to reduce the impact degree of steel door plate to top plate, not only can avoid generating excessive noise, but also can avoid steel door plate and top plate suffer damage, improve the service life of steel door plate and top plate.

[0004] Although the above steel door has certain protective performance, but the overall air tightness is insufficient, and it is not convenient to quickly and stably isolate various noises, reduces the noise isolation of steel door and the sealing performance, and the impact resistance of the outer part of the above steel door is also insufficient, so there is an urgent need for good air tightness, noise reduction and anti-collision steel door to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing good air tightness, noise reduction and anti-collision steel door to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: good air tightness, noise reduction and anti-collision steel door, including support device for supporting, the rear end face of the support device is fixedly provided with sealing door plate for sealing,

[0007] Second sound insulation foamed sponge, the second sound insulation foamed sponge is fixedly arranged at the inner end face bottom wall of the support device, and first sound insulation foamed sponge is arranged at the inner end face close to the sealing door plate of the support device;

[0008] The anti-collision device is fixedly arranged on the front end surface of the supporting device;

[0009] The double-layer sound insulation glass is provided with two groups, and the two groups of double-layer sound insulation glass are fixedly connected to the inner end surface of the supporting device.

[0010] Preferably, the supporting device comprises a steel door shell, the inner end surface of the steel door shell is equidistantly provided with a sealing sliding groove for positioning, and two groups of glass limiting seats are arranged on the upper portion of the inner end surface of the steel door shell.

[0011] Preferably, the anti-collision device comprises a rubber buffer door plate, two groups of glass clamping plates are fixedly arranged on the inner end surface of the rubber buffer door plate, three rows of plug-in sliding shafts are equidistantly arranged on the inner end surface of the rubber buffer door plate, supporting springs are arranged on the inner end surface of the rubber buffer door plate opposite to the plug-in sliding shafts, a buffer guard plate is fixedly arranged on the outer end surface of the rubber buffer door plate, and anti-collision protrusions are equidistantly arranged on the outer end surface of the buffer guard plate.

[0012] Preferably, the double-layer sound insulation glass is fixedly connected to the inner portion of the steel door shell through the glass limiting seat, and the double-layer sound insulation glass can improve the sound insulation performance and the protection performance.

[0013] Preferably, the rubber buffer door plate is sealingly and slidingly connected to the inner portion of the steel door shell through the plug-in sliding shaft and the sealing sliding groove, the plug-in sliding shaft is limited by the sealing sliding groove, and the stability of the axial sliding of the rubber buffer door plate is maintained.

[0014] Preferably, the supporting spring is fixedly connected to the outer end surface of the steel door shell, and the stability of the buffer of the rubber buffer door plate to the impact force is improved.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The sealing door plate is sealingly connected to the rear portion of the steel door shell, the air tightness of the door body is improved, the first sound insulation foamed sponge and the second sound insulation foamed sponge in the inner portion of the steel door shell improve the sound insulation of the door body, the steel door shell and the sealing door plate and the steel door shell and the rubber buffer door plate form two sealing cavities, the sound insulation performance of the steel door is improved to the greatest extent by the cooperation of the first sound insulation foamed sponge and the second sound insulation foamed sponge, the double buffer of the supporting spring and the rubber buffer door plate improves the anti-impact protection of the outer portion of the steel door, and the practicality of the steel door is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1The split view of the main body of the utility model;

[0018] Figure 2 The structure schematic view of the main body of the utility model;

[0019] Figure 3 The structure schematic view of the supporting device of the utility model;

[0020] Figure 4 The split view of the anti-collision device of the utility model;

[0021] Figure 5 The structure schematic view of the anti-collision device of the utility model.

[0022] In the drawing: 1 - double -layer sound -insulation glass, 2 - first sound -insulation foamed sponge, 3 - sealing door plate, 4 - second sound -insulation foamed sponge, 5 - supporting device, 6 - anti -collision device, 51 - steel door shell, 52 - glass limiting seat, 53 - sealing sliding groove, 61 - buffer guard plate, 62 - glass clamping plate, 63 - supporting spring, 64 - plug -in sliding axle, 65 - rubber buffer door plate, 66 - anti -collision protrusion. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides an embodiment: good air tightness, noise reduction and anti -collision steel door, including the supporting device 5 for supporting, the rear end surface fixed setting of supporting device 5 is used for the sealing door plate 3 for sealing,

[0025] Second sound -insulation foamed sponge 4, second sound -insulation foamed sponge 4 is fixedly arranged at the inner end surface bottom wall of supporting device 5, and first sound -insulation foamed sponge 2 is arranged at the inner end surface of supporting device 5 close to sealing door plate 3;

[0026] Anti -collision device 6, anti -collision device 6 is fixedly arranged at the front end surface of supporting device 5;

[0027] Double -layer sound -insulation glass 1, double -layer sound -insulation glass 1 is provided with two groups, and two groups of double -layer sound -insulation glass 1 are fixedly clamped at the inner end surface of supporting device 5.

[0028] The support device 5 comprises a steel door shell 51, the inner end face of the steel door shell 51 is equidistantly provided with a sealing sliding groove 53 for positioning, and two groups of glass limiting seats 52 are arranged on the upper part of the inner end face of the steel door shell 51.

[0029] The anti-collision device 6 comprises a rubber buffer door plate 65, the inner end face of the rubber buffer door plate 65 is fixedly provided with two groups of glass clamping plates 62 at the top, and three rows of plug-in sliding shafts 64 are equidistantly arranged on the inner end face of the rubber buffer door plate 65, the inner end face of the rubber buffer door plate 65 is provided with a supporting spring 63 opposite to the plug-in sliding shaft 64, and a buffer guard plate 61 is fixedly arranged on the outer end face of the rubber buffer door plate 65, and the outer end face of the buffer guard plate 61 is equidistantly provided with anti-collision protrusions 66.

[0030] The double-layer sound insulation glass 1 is fixedly clamped in the steel door shell 51 through the glass limiting seat 52, and the double-layer sound insulation glass 1 can improve the sound insulation performance and effectively improve the protection performance.

[0031] The rubber buffer door plate 65 is adapted to the sealing sliding groove 53 through the plug-in sliding shaft 64, and then is sealingly and slidingly clamped in the steel door shell 51, and the plug-in sliding shaft 64 can be limited by the sealing sliding groove 53, thereby maintaining the stability of the axial sliding of the rubber buffer door plate 65.

[0032] The supporting spring 63 is fixedly connected with the outer end face of the steel door shell 51, which can effectively improve the stability of the supporting spring 63 in buffering the impact force received by the rubber buffer door plate 65.

[0033] Working principle: when the door body is impacted by external impact, a plurality of anti-collision protrusions 66 can preliminarily protect the outside of the buffer guard plate 61, and a sharp object can directly damage the buffer guard plate 61, and then the buffer guard plate 61 can transmit the impact force to the rubber buffer door plate 65, and the rubber buffer door plate 65 can buffer the impact force through a plurality of supporting springs 63, and then the rubber buffer door plate 65 is an elastic sealing material, which can form an air spring for secondary buffering, effectively improving the buffering performance of the impact force, and a plurality of plug-in sliding shafts 64 can stably displace under the guidance of the sealing sliding groove 53, improving the stability of the buffering, and the sealing door plate 3 and the steel door shell 51 are closed, which can effectively improve the air tightness of the door body, and the first sound insulation foamed sponge 2 and the second sound insulation foamed sponge 4 in the steel door shell 51 can double sound insulation in the steel door shell 51, and the two groups of sealing cavities formed by the sealing door plate 3, the support device 5 and the rubber buffer door plate 65 and the steel door shell 51 can maximize the sound insulation performance of the door body.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A good airtightness, noise reduction and anti-collision steel door, comprising a supporting device (5) for supporting, a sealing door plate (3) for sealing fixedly arranged at the rear end face of the supporting device (5), characterized in that: a second sound insulation foamed sponge (4) is fixedly arranged at the inner end face bottom wall of the supporting device (5), and a first sound insulation foamed sponge (2) is arranged at the inner end face of the supporting device (5) close to the sealing door plate (3); an anti-collision device (6) is fixedly arranged at the front end face of the supporting device (5); and two groups of double-layer sound insulation glass (1) are fixedly clamped at the inner end face of the supporting device (5). The supporting device (5) comprises a steel door shell (51), and the inner end face of the steel door shell (51) is equidistantly provided with a sealing sliding groove (53) for positioning, and two groups of glass limiting seats (52) are arranged at the upper part of the inner end face of the steel door shell (51). The anti-collision device (6) comprises a rubber buffer door plate (65), the inner end face top of the rubber buffer door plate (65) is fixedly provided with two groups of glass clamping plates (62), and three rows of plug-in sliding shafts (64) are equidistantly arranged at the inner end face of the rubber buffer door plate (65), the inner end face of the rubber buffer door plate (65) is provided with a supporting spring (63) opposite to the plug-in sliding shaft (64), and a buffer guard plate (61) is fixedly arranged at the outer end face of the rubber buffer door plate (65), the outer end face of the buffer guard plate (61) is equidistantly provided with an anti-collision protrusion (66). The double-layer sound insulation glass (1) is fixedly clamped with the inside of the steel door shell (51) through the glass limiting seat (52).

2. The steel door according to claim 1, wherein: The rubber buffer door plate (65) is sealed and slidingly clamped with the inside of the steel door shell (51) through the plug-in sliding shaft (64) matched with the sealing sliding groove (53).

3. The steel door according to claim 2, wherein: The supporting spring (63) is fixedly connected with the outer end face of the steel door shell (51).

4. The steel door according to claim 3, wherein: ​ 5. The steel door according to claim 3, wherein: ​ 6. The steel door according to claim 3, wherein: ​