Double-layer soundproof door of anechoic chamber

By introducing anti-warping components into the double-layer soundproof door of the anechoic chamber, and utilizing a combination of guide rods and fastening plugs, the problem of edge warping was solved, improving the stability and sealing of the soundproofing panel and enhancing the sound insulation effect.

CN224049046UActive Publication Date: 2026-03-27SHAANXI GONGDAFUTIAN TECH ENG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing double-layer soundproof doors for anechoic chambers lack effective fixing structures at the corners during long-term use, resulting in edge warping, which damages the seal and affects the sound insulation effect.

Method used

It adopts anti-warping components, including sound insulation board, positioning groove, inner groove, inner groove and grid plate. The grid plate is firmly fixed by the combination of guide rod and fastening plug, which enhances the stability of the sound insulation board.

Benefits of technology

It effectively prevents the sound insulation panel from shifting or warping during frequent opening and closing, enhances the overall stability and sealing of the sound insulation panel, and improves the sound insulation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224049046U_ABST
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Abstract

The utility model discloses a double-layer soundproof door of an anechoic chamber, which comprises a door plate component, a door cover component and a door cover component, the door plate component comprises a door body and an inner container, and the inner container is adhered to one end of the outer surface of the door body; the edge warping prevention component comprises sound insulation plates, positioning grooves, inner grooves, inner grooves and grid baffles, the inner grooves are formed in the two ends of the outer surface of the inner container, the sound insulation plates are embedded in the inner grooves, the positioning grooves are formed in the outer surfaces of the sound insulation plates, the inner grooves are formed in the corners of the periphery of the inner container, and the grid baffles are embedded in the inner surfaces of the positioning grooves and the inner grooves. When the device is actually used, due to the fact that the corners of the first sound insulation door plate and the second sound insulation door plate are not provided with effective fixing structures, in the long-term frequent opening and closing process, the corners are prone to edge warping, once edge warping occurs, an originally tight sealing structure can be damaged, and the sound insulation door plate cannot be damaged. And external noise can be transmitted into the anechoic chamber through a gap generated by the warped edge.
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Description

TECHNICAL FIELD

[0001] The utility model relates to anechoic chamber sound insulation door technical field, concretely is a kind of anechoic chamber double-layer sound insulation door. BACKGROUND

[0002] Anechoic chamber needs strict sound insulation environment, and double-layer sound insulation door is its important component.

[0003] Through search, the public number CN218563503U is a kind of anechoic chamber double-layer sound insulation door, including fixed door frame, first sound insulation door plate, fixed frame, rotating frame, second sound insulation door plate and high elasticity foamed silica gel sealing plate, first sound insulation door plate is hinged with fixed door frame;Fixed frame is set on fixed door frame, and fixed frame and first sound insulation door plate are set on the both sides of fixed door frame;Rotating frame is connected fixed frame, and rotating frame can rotate relative to fixed frame;Second sound insulation door plate is set on rotating frame;High elasticity foamed silica gel sealing plate is set between fixed door frame and first sound insulation door plate;First sound insulation door plate and second sound insulation door plate constitute double-layer sound insulation door, and air sound absorption layer is formed between first sound insulation door plate and second sound insulation door plate.The utility model adopts double-layer sound insulation door structure, and structure sound insulation performance is good, and high-frequency sound insulation amount is high, and average sound insulation amount can reach 48dB, and sound insulation effect is remarkable.

[0004] But the above-mentioned device in actual use, due to the edge corner of first sound insulation door plate and second sound insulation door plate lack effective fixed structure, in long-term frequent opening and closing process, edge corner is prone to warping, once warping, the originally close sealing structure will be destroyed, and external noise will take the opportunity to pass into anechoic chamber through the gap generated by warping. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of anechoic chamber double-layer sound insulation door, to solve the problems in the above background technology.For solving the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model is a kind of anechoic chamber double-layer sound insulation door, comprising:

[0007] Door plate component, the door plate component includes door body and inner bag, and the inner bag is bonded at one end of the outer surface of door body;

[0008] Anti-warping component, the anti-warping component includes sound insulation board, positioning groove, inner groove, inner recess and grid baffle, the inner groove is opened at the both ends of the outer surface of inner bag, and the sound insulation board is inlaid in the inside of inner groove, the positioning groove is opened at the outer surface of sound insulation board, the inner recess is opened at the four corners of inner bag, and the grid baffle is inlaid in the inner surface of positioning groove and inner recess.

[0009] Further, the inner surface of the inner groove is fixed with a guide rod, and the four corners of the baffle are provided with positioning holes, and the guide rod is inserted into and connected to the inside of the positioning holes.

[0010] Further, the inner surface of the positioning hole is provided with a fixing groove, and the inside of the fixing groove is inlaid with a fastening plug, and the fastening plug is locked on the outer surface of the guide rod.

[0011] Further, the door plate component further comprises surrounding frame one and surrounding frame two, and the surrounding frame one and the surrounding frame two surround the two ends of the outer surface of the inner container.

[0012] Further, it further comprises a reinforcing component, the reinforcing component comprises a vertical baffle and a horizontal baffle, the vertical baffle surrounds the two sides of the outer surfaces of the surrounding frame one and the surrounding frame two, and the horizontal baffle surrounds the top and bottom of the outer surfaces of the surrounding frame one and the surrounding frame two.

[0013] Further, the top and bottom of the vertical baffle are provided with insertion grooves, and the outer surface of the horizontal baffle is fixed with an insertion plate, and the insertion plate is inserted into the inside of the insertion groove.

[0014] Further, the inner surface of the insertion groove is provided with a moving groove, the outer end of the insertion plate is fixed with a moving rod, the moving rod is movably connected to the inside of the moving groove, and the fixing ring is threadedly connected to the outer surface of the moving rod.

[0015] The utility model has the following beneficial effects:

[0016] The utility model discloses a door body, which comprises an inner container, a door plate component and a reinforcing component, wherein the outer surface of the inner container is provided with a sound insulation plate, a positioning groove, an inner groove and a baffle. ACCURATELY INSERTING THE GUIDE ROD INTO THE POSITIONING HOLE, STABLY FIXING THE BAFFLE, SUCCESSFULLY INSTALLING THE BAFFLE, UNIFORMLY AND TIGHTLY PRESSING THE BAFFLE AT THE FOUR CORNERS OF THE SOUND INSULATION PLATE, CONTINUOUSLY PROVIDING STABLE SUPPORT FOR THE SOUND INSULATION PLATE IN THE PROCESS OF FREQUENTLY OPENING AND CLOSING THE DOOR BODY, PREVENTING THE SHIFT OR EDGE WARPING OF THE SOUND INSULATION PLATE DUE TO VIBRATION, AND GREATLY ENHANCING THE OVERALL STABILITY OF THE SOUND INSULATION PLATE.

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0018] Figure 1 It is a whole schematic view of the door body of the utility model;

[0019] Figure 2 Splitting schematic view of the inner container and the sound insulation plate of the utility model;

[0020] Figure 3 Schematic view of the back of the door plate of the utility model;

[0021] Figure 4 Schematic view of the utility model Figure 3 Enlarged schematic view of A part of the utility model.

[0022] In the drawings, the component list represented by each reference numeral is as follows:

[0023] 100, door body; 101, inner container; 102, surrounding frame one; 103, surrounding frame two;

[0024] 200, sound insulation plate; 201, positioning groove; 202, inner groove; 203, inner recess; 204, guide rod; 205, baffle; 206, positioning hole; 207, fixing groove; 208, fastening plug;

[0025] 300, vertical baffle; 301, horizontal baffle; 302, plug; 303, moving groove; 304, moving rod; 305, fixing ring; 306, insertion groove. DETAILED DESCRIPTION

[0026] 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, rather than 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 scope of protection of the utility model.

[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0028] Please refer to Figures 1-4 The utility model is a kind of double-layer sound insulation door of anechoic chamber, comprising:

[0029] Door plate component, the door plate component includes door body 100 and inner container 101, the inner container 101 is bonded in the outer surface of door body 100 one end;

[0030] The anti-warping part comprises a soundproof plate 200, a positioning groove 201, an inner groove 202, an inner recess 203 and a baffle 205, the inner groove 202 is arranged at both ends of the outer surface of the inner container 101, the soundproof plate 200 is embedded in the inner groove 202, the positioning groove 201 is arranged on the outer surface of the soundproof plate 200, the inner recess 203 is arranged at the four corners of the inner container 101, and the baffle 205 is embedded in the inner surfaces of the positioning groove 201 and the inner recess 203.

[0031] During installation, the soundproof plate 200 is embedded in the inner groove 202, and then the baffle 205 is installed in the positioning groove 201, after successful installation of the baffle 205, the baffle 205 is uniformly and tightly pressed at the four corners of the soundproof plate 200, and the baffle 205 continuously provides stable support for the soundproof plate 200 during frequent opening and closing of the door body 100, so that displacement or warping of the soundproof plate 200 due to vibration is prevented.

[0032] The inner surface of the inner recess 203 is fixed with a guide rod 204, the four corners of the baffle 205 are provided with positioning holes 206, and the guide rod 204 is inserted and connected in the inner positioning holes 206.

[0033] The guide rod 204 is accurately inserted into the positioning hole 206, so that the baffle 205 is stably fixed.

[0034] The inner surface of the positioning hole 206 is provided with a fixing groove 207, the fixing groove 207 is embedded with a fastening plug 208, and the fastening plug 208 is locked on the outer surface of the guide rod 204.

[0035] When the guide rod 204 is inserted into the inner positioning hole 206, the fastening plug 208 is locked on the outer guide rod 204, so that the guide rod 204 and the positioning hole 206 are prevented from falling off.

[0036] The door plate part further comprises a surrounding frame one 102 and a surrounding frame two 103, and the surrounding frame one 102 and the surrounding frame two 103 surround both ends of the outer surface of the inner container 101.

[0037] The working principle is that during the installation process, the sound insulation plate 200 is embedded in the inner groove 202, and then the baffle plate 205 is installed in the positioning groove 201, in the process, the guide rod 204 is accurately inserted into the positioning hole 206, and the stable fixing of the baffle plate 205 is realized. When the guide rod 204 is inserted into the inside of the positioning hole 206, the fastening plug 208 is locked outside the guide rod 204, which can avoid the separation between the guide rod 204 and the positioning hole 206. After the baffle plate 205 is successfully installed, it is uniformly and tightly pressed at the four corners of the sound insulation plate 200. In the process of frequent opening and closing of the door body 100, the baffle plate 205 continuously provides stable support for the sound insulation plate 200, preventing it from being displaced or warped due to vibration. At the same time, in the face of changes in environmental temperature and humidity and the influence of air flow, the close fit between the baffle plate 205 and the sound insulation plate 200 greatly enhances the overall stability of the sound insulation plate 200.

[0038] Please refer to Figure 1 、 Figure 3 、 Figure 4 It is shown that the embodiment is based on the above-mentioned embodiment, further comprising:

[0039] The reinforcing component comprises vertical baffle plates 300 and horizontal baffle plates 301, the vertical baffle plates 300 are arranged on both sides of the outer surfaces of the surrounding frame one 102 and the surrounding frame two 103, and the horizontal baffle plates 301 are arranged on the top and bottom of the outer surfaces of the surrounding frame one 102 and the surrounding frame two 103.

[0040] The horizontal baffle plates 301 and the vertical baffle plates 300 are arranged outside the surrounding frame one 102 and the surrounding frame two 103, so as to reinforce the surrounding frame one 102 and the surrounding frame two 103.

[0041] The vertical baffle plates 300 are provided with insertion grooves 306 at the top and bottom, and the horizontal baffle plates 301 are provided with insertion plates 302 on the outer surfaces, which are inserted into the insertion grooves 306.

[0042] The insertion plates 302 can move in the insertion grooves 306, and can be adjusted according to the height of the surrounding frame one 102 and the surrounding frame two 103.

[0043] The inner surface of the insertion groove 306 is provided with a moving groove 303, the outer end of the insertion plate 302 is provided with a moving rod 304, the moving rod 304 is movably connected to the inside of the moving groove 303, and a fixing ring 305 is threadedly connected to the outer surface of the moving rod 304.

[0044] Working principle, first transverse baffle 301 and vertical baffle 300 are connected with each other, form a whole frame structure, surround frame one 102 and surround frame two 103 are surrounded in it, can provide strong supporting force for them from outside, effectively enhance its structural stability, prevent deformation or damage in the long-term use process, insert plate 302 can slide freely inside the slot 306, this characteristic makes the structure can be adjusted according to the actual height of surround frame one 102 and surround frame two 103, when need to adapt to different height surround frame, just need to push insert plate 302 in the slot 306 moves, can easily realize the matching of height, when insert plate 302 moves, moving rod 304 will move in the moving slot 303 synchronously, moving rod 304 not only plays the role of auxiliary insert plate 302 moves, also ensure the stability and accuracy of the whole adjusting process, fixed ring 305 is installed on the outside of moving rod 304, its main role is to fix the transverse partition plate.

[0045] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A double-layer soundproof door of an anechoic chamber, characterized in that, Include: Door plate components, the door plate components include door body (100) and inner bag (101), the inner bag (101) is bonded in one end of the outer surface of door body (100); Anti-warping components, the anti-warping components include sound insulation board (200), positioning groove (201), inner groove (202), inner recess (203) and grid baffle (205), the inner groove (202) is opened in both ends of the outer surface of inner bag (101), the sound insulation board (200) is inlaid in the inner part of inner groove (202), the positioning groove (201) is opened in the outer surface of sound insulation board (200), the inner recess (203) is opened in the four corners of inner bag (101), the grid baffle (205) is inlaid in the inner surface of positioning groove (201) and inner recess (203).

2. A double door soundproofing chamber according to claim 1, characterized in that: The inner surface of the inner recess (203) is fixed with a guide rod (204), the four corners of the grid baffle (205) are provided with positioning holes (206), and the guide rod (204) is inserted and connected in the inner part of the positioning hole (206).

3. A double door soundproofing chamber according to claim 2, characterized in that: The inner surface of the positioning hole (206) is provided with a fixed groove (207), the inner part of the fixed groove (207) is inlaid with a fastening plug (208), and the fastening plug (208) is locked on the outer surface of the guide rod (204).

4. The double door of claim 1, wherein: The door plate components further include surrounding frame one (102) and surrounding frame two (103), and the surrounding frame one (102) and the surrounding frame two (103) surround both ends of the outer surface of the inner bag (101).

5. A double door soundproofing chamber according to claim 4, characterized in that: It also includes reinforcing components, the reinforcing components include vertical baffle (300) and horizontal baffle (301), the vertical baffle (300) surrounds both sides of the outer surface of surrounding frame one (102) and surrounding frame two (103), and the horizontal baffle (301) surrounds the top and bottom of the outer surface of surrounding frame one (102) and surrounding frame two (103).

6. A double door soundproofing chamber according to claim 5, characterized in that: The top and bottom of the vertical baffle (300) are provided with insertion slots (306), and the outer surface of the horizontal baffle (301) is fixed with an insertion plate (302), and the insertion plate (302) is inserted into the inner part of the insertion slot (306).

7. A double door soundproofing chamber according to claim 6, characterized in that: The inner surface of the insertion slot (306) is provided with a moving groove (303), the outer end of the insertion plate (302) is fixed with a moving rod (304), the moving rod (304) is movably connected in the inner part of the moving groove (303), and the fixed ring (305) is threadedly connected on the outer surface of the moving rod (304).

Citation Information

Patent Citations

  • Double-layer soundproof door of anechoic chamber

    CN218563503U