Soundproof door bottom sealer

By designing an aluminum alloy bottom cover plate and a graphite gasket at the bottom of the soundproof door, and utilizing a labyrinth sealing cavity and a T-shaped groove, the problem of easy damage to the sealing strip is solved, achieving better sealing and sound insulation effects and convenient cleaning.

CN223753981UActive Publication Date: 2026-01-02SHANGHAI LEXIANGZHU INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202422927135.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2026-01-02
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The gap between the bottom of the existing soundproof door and the ground makes the sealing strip easy to damage, difficult to clean and replace, and affects the sound insulation effect.

Method used

A soundproof door bottom seal is designed, which uses an aluminum alloy bottom cover plate and a graphite gasket. The profile is provided with a labyrinth sealing cavity and a T-shaped sliding groove. The sealing strip deforms and fits tightly with the ground to ensure the sealing effect.

Benefits of technology

It improves sealing and sound insulation, is suitable for installation without a threshold, and the profile is easy to disassemble and clean, extending its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sound insulation door bottom sealer which comprises a bottom cover plate, and a sectional material is installed in the bottom cover plate and used for installing a sealing piece. Eight sealing strips are arranged on the sealing pieces, seven labyrinth sealing cavities are formed by the eight sealing strips on the sealing pieces, the multiple sealing pieces extend to the outer side of the bottom cover plate from the sectional material, and when the bottom cover plate moves downwards to be attached to the ground, the sealing pieces are extruded by the ground to deform, and the sealing effect is achieved. The deformation degrees of the multiple sealing strips in contact with the doorsill stone are different, it is ensured that the sealing strips are tightly attached to the doorsill stone so as to prevent sound transmission, the sealing and sound insulation effects are better, the sealing and sound insulation structure is particularly suitable for being installed at the position where a lower doorsill cannot be arranged, and the graphite pad is used for enabling vertical movement between the sectional material and the bottom cover plate to be smoother and more stable due to the small friction coefficient; the service life is prolonged, and the mute effect can be achieved; the section bar and the bottom cover plate are connected and fixed through a spring piece and a screw, and the section bar can be conveniently detached from the bottom cover plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to soundproof door technical field, concretely relates to a soundproof door bottom seal ware. BACKGROUND

[0002] Soundproof door is mainly used in high sound insulation requirement place and plays the role of sound insulation. The door leaf shaping is mainly to use new galvanized steel sheet, adopt professional sound insulation material, damping sound insulation board, sound insulation cotton etc. as sound insulation filler, at the same time, the most important of soundproof door still has sealing treatment. Adopt magnetic control sealing can ensure good sealing sound insulation effect.

[0003] Generally recommended soundproof door is filled with sound-absorbing cotton in the inside, some only adopt paperboard to separate into so-called honeycomb structure, on the one hand increase the strength of door plate, on the other hand form closed air layer to make certain degree sound insulation, but soundproof door bottom has gap with ground, generally fixedly set sealing strip at soundproof door bottom, sealing strip is easy to be damaged after long time use, is difficult to clean and replace, leading to sound insulation effect also greatly reduces. CONTENT OF UTILITY MODEL

[0004] To solve above-mentioned technical problem, the utility model provides a soundproof door bottom seal ware, including bottom cover plate, install profile in the bottom cover plate, the profile is used for installing sealing element, eight sealing strips on the sealing element form seven labyrinth seal cavities, the profile includes fixed part and sealing part, and the lower end surface of sealing part is provided with a plurality of T-shaped sliding grooves extending along the length direction of profile, the sealing element includes installation strip and sealing strip, and the installation strip is I-shaped, when the bottom cover plate moves down and adheres to ground, the sealing element is extruded and deformed by ground, plays the role of sealing.

[0005] Preferably, the bottom cover plate is provided with a containing cavity for installing the profile, and the containing cavity is inverted T-shaped.

[0006] Preferably, a limiting lug is arranged on the inner wall of the upper part of the containing cavity, and the profile is inserted into the containing cavity and limited by the limiting lug.

[0007] Preferably, a plurality of gaskets are arranged in the gap between the profile and the inner wall of the containing cavity.

[0008] Preferably, the gasket is a graphite gasket.

[0009] Preferably, the profile is inverted T-shaped as a whole, and the fixed part is used for being inserted into the containing cavity.

[0010] Preferably, the T-shaped sliding groove is used for installing the sealing element.

[0011] Preferably, a plurality of sealing elements are arranged, and the plurality of sealing elements extend from the profile to the outside of the bottom cover plate.

[0012] Preferably, the curvature of the sealing strip is in the range of -5°-90°, and the angle between the sealing strip and the mounting strip is in the range of -90°-165°.

[0013] The technical effects and advantages of the present application are as follows:

[0014] In the present application, the multiple sealing strips have different deformation degrees when contacting with the threshold stone, which ensures that the sealing strips are tightly attached to the threshold stone to prevent the spread of sound, and makes the sealing and soundproofing effect better. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structure schematic diagram of a soundproof door bottom sealing device provided by the present application;

[0016] Figure 2 is a structure schematic diagram of a profile in a soundproof door bottom sealing device provided by the present application;

[0017] Figure 3 is a structure schematic diagram of a sealing element in a soundproof door bottom sealing device provided by the present application.

[0018] Figure 4 is a schematic diagram of a soundproof door using a soundproof door bottom sealing device provided by the present application.

[0019] In the figure: 1, bottom cover plate; 11, accommodating cavity; 12, limiting convex rib; 2, profile; 21, fixed part; 22, sealing part; 23, T-shaped sliding groove; 3, sealing element; 31, mounting strip; 32, sealing strip; 4, gasket; 5, door bottom aluminum frame; 6, decorative panel; 7, soundproof layer. DETAILED DESCRIPTION

[0020] The present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific purposes.

[0021] Please refer to Figure 1As shown, in the present embodiment, a soundproof door bottom seal device is provided, which is suitable for a door bottom without a threshold, comprising a bottom cover plate 1, the bottom cover plate 1 is used for mounting at the bottom of the soundproof door, the bottom cover plate 1 can be a eccentric structure design, but also can be a symmetrical structure design, the bottom cover plate 1 is provided with a profile 2, the profile 2 is used for installing a sealing element 3, the sealing element 3 is provided with a plurality of sealing elements 3, the plurality of sealing elements 3 extends from the profile 2 to the outside of the bottom cover plate 1, eight sealing strips on the sealing element 3 form seven labyrinth sealing cavities, when the bottom cover plate 1 moves downward and adheres to the ground, the sealing element 3 is extruded and deformed by the ground, which plays a sealing role, and has good sound insulation effect.

[0022] In the present embodiment, the bottom cover plate 1 and the profile 2 are made of aluminum alloy, which has relatively low density, good thermal conductivity and good processing performance, the characteristics of aluminum alloy include: light weight: aluminum alloy has relatively low density; corrosion resistance: aluminum alloy has good corrosion resistance and can be used in atmospheric and water environment for a long time without rust; good thermal conductivity: aluminum alloy has good thermal conductivity; recyclable: aluminum alloy can be recycled and reused, which is conducive to resource recycling and environmental protection.

[0023] Specifically, the bottom cover plate 1 is provided with a containing cavity 11 for installing the profile 2, the containing cavity 11 is inverted T-shaped, the inner wall of the upper part of the containing cavity 11 is provided with a limiting convex rib 12, the profile 2 is inserted into the containing cavity 11, and the profile 2 is limited by the limiting convex rib 12, the bottom edge of the bottom cover plate 1 is a plane, and does not need to be installed on the track.

[0024] In the present embodiment, a plurality of gaskets 4 are arranged in the gap between the profile 2 and the inner wall of the containing cavity 11, the profile 2 is installed in the bottom cover plate 1 by the friction force between the gasket 4 and the profile 2, and the profile 2 is prevented from falling off from the bottom cover plate 1.

[0025] In the present embodiment, the gasket 4 is a graphite gasket, which is stacked by high-purity graphite sheets and has excellent high-temperature resistance, corrosion resistance and good thermal conductivity. The main characteristics of the graphite gasket include:

[0026] High temperature resistance: the graphite gasket has good high temperature resistance and can be used in high temperature environment for a long time without deformation or damage; corrosion resistance: the graphite gasket has strong corrosion resistance and can be used in chemical corrosive medium without being easily corroded; good thermal conductivity: graphite has good thermal conductivity and can effectively conduct heat, which is suitable for occasions requiring heat dissipation; good compression elasticity: the graphite gasket has certain elasticity and compression performance, which can fill uneven surface during sealing to ensure sealing effect; long service life: the graphite gasket has long service life and is not easy to age or harden, and can still maintain stable performance in harsh environment.

[0027] The graphite pad is used in the sealing device, so that the profile 2 is more stable in connection with the bottom cover plate 1, the service life is prolonged, and the profile 2 and the bottom cover plate 1 do not need to be fixed by screws or rivets, and the profile 2 is convenient to disassemble from the bottom cover plate 1, and the profile 2 is convenient to clean.

[0028] Referring to Figure 2 As shown in the embodiment, the profile 2 includes a fixed part 21 and a sealing part 22, the profile 2 is in the shape of an inverted T as a whole, the fixed part 21 is used for being inserted into the accommodating cavity 11, and the gasket 4 is arranged between the two sides of the fixed part 21 and the inner wall of the accommodating cavity 11, a plurality of T-shaped sliding grooves 23 extending along the length direction of the profile 2 are arranged on the lower end surface of the sealing part 22, the T-shaped sliding grooves 23 are used for installing the sealing piece 3, a plurality of sealing pieces 3 are installed in the T-shaped sliding grooves 23, and the falling of the sealing piece 3 is avoided, and the replacement of the sealing piece 3 is also convenient when the sealing piece 3 is damaged.

[0029] Referring to Figure 3 As shown in the embodiment, the sealing piece 3 includes an installation strip 31 and a sealing strip 32, the installation strip 31 is in the shape of an I-beam, the upper part of the installation strip 31 is used for being inserted into the T-shaped sliding groove 23, and after the installation strip 31 is installed, the installation strip 31 is attached to the lower end surface of the sealing part 22, the lower end surface of the installation strip 31 is connected with the sealing strip 32, the sealing strip 32 is in the shape of an arc, the range of the curvature β of the sealing strip 32 is-5°-90°, the range of the angle α between the sealing strip 32 and the installation strip 31 is-90°-165°, through the design, the sealing strip 32 is arranged in an inclined manner at the bottom of the installation strip 31, the sealing strip 32 is more easily deformed when the sealing strip 32 is in contact with the ground, and the ground area of the sealing strip 32 after deformation is increased, and especially when the threshold stone is not horizontal, because the heights of the threshold stones are different, the deformation degrees of the plurality of sealing strips 32 in contact with the threshold stones are different, the sealing strip 32 is attached to the threshold stone, so that the sealing and sound insulation effect is better.

[0030] Referring to Figure 4 As shown in another embodiment, a sound insulation door using the above-mentioned sealing device for the door bottom is provided, which includes a door bottom aluminum frame 5, a decorative panel 6 and a sound insulation layer 7, the sealing device is installed on the door bottom aluminum frame 5, the decorative panel 6 is provided with two decorative panels 6 respectively installed at two ends of the door bottom aluminum frame 5, and the sound insulation layer 7 is arranged between the two decorative panels 6.

[0031] Specifically, the sound insulation door is suitable for the case that the threshold stone is horizontal or not horizontal, the deformation degrees of the plurality of sealing strips 32 in contact with the threshold stones are different, the sealing strip 32 is ensured to be attached to the threshold stone, so as to prevent the propagation of sound, and the sealing and sound insulation effect is better, and the sound insulation door is particularly suitable for installation in a place where a lower threshold cannot be arranged.

[0032] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A soundproof door bottom seal, characterized in that, Includes a bottom cover plate (1), in which a profile (2) is installed, the profile (2) being used to install a sealing element (3); the eight sealing strips on the sealing element (3) form seven labyrinth sealing cavities; The profile (2) includes a fixing part (21) and a sealing part (22). The lower end face of the sealing part (22) is provided with a plurality of T-shaped grooves (23) extending along the length direction of the profile (2). The sealing element (3) includes an installation strip (31) and a sealing strip (32). The installation strip (31) is I-shaped. When the bottom cover plate (1) moves downward to fit the ground, the sealing element (3) is deformed by the ground pressure and plays a sealing role.

2. The soundproof door bottom seal according to claim 1, characterized in that, The bottom cover plate (1) is provided with a receiving cavity (11) for installing the profile (2), and the receiving cavity (11) is in the shape of an inverted T.

3. The soundproof door bottom seal according to claim 2, characterized in that, The upper inner wall of the receiving cavity (11) is provided with a limiting rib (12). The profile (2) is inserted into the receiving cavity (11) and the limiting rib (12) limits the profile (2).

4. The soundproof door bottom seal according to claim 3, characterized in that, Multiple gaskets (4) are provided in the gap between the profile (2) and the inner wall of the cavity (11).

5. A soundproof door bottom seal as described in claim 4, characterized in that, The gasket (4) is a graphite gasket.

6. A soundproof door bottom seal according to claim 1, characterized in that, The profile (2) is generally inverted T-shaped, and the fixing part (21) is used to insert into the receiving cavity (11).

7. A soundproof door bottom seal according to claim 6, characterized in that, The T-shaped groove (23) is used to install the seal (3).

8. A soundproof door bottom seal according to claim 7, characterized in that, The sealing element (3) is provided in multiple forms, and the multiple sealing elements (3) extend from the profile (2) to the outside of the bottom cover plate (1).

9. A soundproof door bottom seal according to claim 8, characterized in that, The arc β of the sealing strip (32) ranges from -5° to 90°, and the angle α between the sealing strip (32) and the mounting strip (31) ranges from -90° to 165°. There are eight of them, forming seven labyrinth sealing cavities.

Citation Information

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