Double-layer sound insulation anti-theft door

By using double-glazed glass and movable foam strips in the security door, the problems of sound insulation and water condensation affecting the observation window of the traditional soundproof security door are solved, achieving good sound insulation and clear observation.

CN224214062UActive Publication Date: 2026-05-08ANHUI YANGZI HONGFU SECURITY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI YANGZI HONGFU SECURITY CO LTD
Filing Date
2025-05-30
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Traditional soundproof and burglarproof doors typically have observation windows made of single-pane glass, which affects the sound insulation effect, and water condensation on the inside of double-pane glass affects observation operations.

Method used

Design a double-layer soundproof security door, which adopts a built-in sound insulation layer and a double-layer glass structure. Through the cooperation of movable panel and sponge strip, the inner side of the glass can be automatically wiped and the observation window can be opened and closed.

Benefits of technology

It achieves excellent sound insulation while automatically clearing water condensation on the inside of the glass, ensuring a clear view through the observation window.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224214062U_ABST
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Abstract

The utility model relates to the technical field of anti-theft doors, in particular to a double-layer sound insulation anti-theft door. According to the technical scheme, the anti-theft door comprises an anti-theft door body, sound insulation layers and a supporting frame, the sound insulation layers are fixedly installed on the front side and the rear side of the inner wall of the anti-theft door body, a fixing groove is formed in the inner side of the anti-theft door body, a protection frame is fixedly installed on the inner side of the fixing groove, and first glass is fixed to the inner side of the fixing groove in the front side of the protection frame in a limiting mode; a supporting frame is supported on the inner side of the fixing groove in front of the first glass in a limiting mode. Second glass is fixed on the inner side of the fixing groove in front of the supporting frame in a limiting mode. According to the anti-theft door, the anti-theft door body, the sound insulation layer, the first glass, the second glass, the movable plate and the sponge strip are matched with one another, double-layer sound insulation can be conducted on the anti-theft door body, the sound insulation effect of the anti-theft door body is good, and a water source condensed on the inner side of the first glass and the inner side of the second glass can be adsorbed and wiped away; condensed water sources on the inner sides of the first glass and the second glass are prevented from affecting observation operation.
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Description

Technical Field

[0001] This utility model relates to the field of security door technology, specifically a double-layer soundproof security door. Background Technology

[0002] As the first line of defense for home security, the quality and performance of security doors are directly related to the safety of residents' lives and property. During the use of security doors, it is necessary to isolate external noise to a certain extent, which requires the use of double-layer soundproof security doors.

[0003] The existing technology has the following problems:

[0004] Traditional soundproof security doors often make it inconvenient to observe the outside environment. The current solution is to add observation windows to the security door to facilitate observation. However, most existing observation windows are made of single-pane glass, which can easily affect the sound insulation effect of the security door. It is not convenient to use double-pane glass to achieve a sound insulation effect for the observation window. At the same time, it is not convenient to clean the inside of the double-pane glass, and water can easily condense on the inside of the double-pane glass, affecting the observation operation. Utility Model Content

[0005] The purpose of this utility model is to provide a double-layer soundproof and anti-theft door to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a double-layer soundproof security door, comprising a security door body, a soundproof layer, and a support frame. The front and rear sides of the inner wall of the security door body are both fixedly installed with the soundproof layer. A fixing groove is formed on the inner side of the security door body, and a protective frame is fixedly installed inside the fixing groove. A first glass is fixedly positioned inside the fixing groove on the front side of the protective frame. The support frame is supported inside the fixing groove on the front side of the first glass. A second glass is fixedly positioned inside the fixing groove on the front side of the support frame. A fixed frame is fixedly connected to the inner side of the fixing groove on the front side of the glass. A movable plate is slidably installed on the inner side of the support frame. Two sponge strips are fixedly connected to the top of the movable plate. The two sponge strips are respectively attached to the inner sides of the first glass and the second glass. The bottom of the movable plate extends out of the support frame and into the interior of the security door body. Two sliding rods are fixedly connected to the bottom of the movable plate. Each of the two sliding rods is surrounded by a thrust spring. A handle is fixedly installed at the front end of the movable plate below the support frame. The handle extends out of the front side of the security door body.

[0007] Preferably, two hinges are fixedly installed on one side of the security door body, and a support frame is used to limit and support the first glass and the protective frame.

[0008] Preferably, the front side of the security door body is provided with a sliding groove, and the handle extends out of the front side of the security door body through the sliding groove and is slidably connected to the sliding groove.

[0009] Preferably, two support plates are fixedly installed inside the anti-theft door body, and the two sliding rods pass through the two support plates respectively and are slidably connected to the support plates. Each sliding rod is fixedly connected to the movable plate through a fixed plate, and the two ends of each thrust spring support a support plate and a fixed plate respectively.

[0010] Preferably, the fixing frame and the anti-theft door body are fixedly connected by multiple fixing bolts, and the multiple fixing bolts all pass through the fixing frame and are threadedly connected to the anti-theft door body.

[0011] Preferably, a fixing rod is fixedly installed on the top of the movable plate, and the two sponge strips are respectively fixedly connected to the front end and the rear end of the fixing rod.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] By employing a combination of a security door body, a sound insulation layer, a first glass panel, a second glass panel, a movable panel, and sponge strips, and through the hollow interior of the security door body, coupled with the sound insulation layer fixed to its inner wall, double-layer sound insulation is achieved. The first and second glass panels also provide sound insulation for the fixing groove, resulting in good sound insulation for the security door body. To observe the outside environment, pulling the handle moves the movable panel downwards, opening it for observation through the first and second glass panels. The push spring forces the movable panel upwards to reset, automatically closing the fixing groove. As the movable panel moves up and down, it also moves the two sponge strips synchronously, wiping the inside of the first and second glass panels to absorb and remove any condensation, preventing water from obstructing observation. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a side view sectional structural diagram of the anti-theft door body of this utility model;

[0016] Figure 3 This is a side view sectional view of the present invention.

[0017] Figure 4 For the present utility model Figure 3Enlarged structural diagram of section A;

[0018] Figure 5 This is a schematic diagram of the fixed frame structure of this utility model;

[0019] Figure 6 This is a side view sectional diagram of the fixed frame structure of this utility model.

[0020] In the diagram: 1. Security door body; 2. Hinge; 3. Slide track; 4. Fixing groove; 5. Sound insulation layer; 6. Support plate; 7. Protective frame; 8. Support frame; 9. First glass; 10. Support frame; 11. Second glass; 12. Fixing frame; 13. Movable plate; 14. Slide rod; 15. Thrust spring; 16. Fixing plate; 17. Handle; 18. Fixing bolt; 19. Fixing rod; 20. Sponge strip. Detailed Implementation

[0021] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0022] This utility model provides, for example Figure 1-6 The diagram shows a double-layered soundproof security door, comprising a door body 1, a sound insulation layer 5, and a support frame 10. The sound insulation layer 5 is fixedly installed on both the front and rear sides of the inner wall of the door body 1. A fixing groove 4 is formed on the inner side of the door body 1, and a protective frame 7 is fixedly installed inside the fixing groove 4. A first glass 9 is fixedly positioned inside the fixing groove 4 on the front side of the protective frame 7. The support frame 10 is supported inside the fixing groove 4 on the front side of the first glass 9. A second glass 11 is fixedly positioned inside the fixing groove 4 on the front side of the support frame 10. The second glass 11 is fixedly connected inside the fixing groove 4 on the front side of the fixing groove 4. There is a fixed frame 12, and a movable plate 13 is slidably installed on the inner side of the support frame 10. Two sponge strips 20 are fixedly connected to the top of the movable plate 13. The two sponge strips 20 are respectively attached to the inner side of the first glass 9 and the second glass 11. The bottom of the movable plate 13 extends out of the support frame 10 and into the interior of the anti-theft door body 1. Two sliding rods 14 are fixedly connected to the bottom of the movable plate 13. The outer periphery of the two sliding rods 14 is fitted with a thrust spring 15. A handle 17 is fixedly installed at the front end of the movable plate 13 below the support frame 10. The handle 17 extends out of the front side of the anti-theft door body 1.

[0023] Two hinges 2 are fixedly installed on one side of the anti-theft door body 1, and a support frame 8 is used to limit and support the first glass 9 and the protective frame 7;

[0024] A sliding groove 3 is provided on the front side of the anti-theft door body 1, and the handle 17 extends out of the front side of the anti-theft door body 1 through the sliding groove 3 and is slidably connected to the sliding groove 3.

[0025] The security door body 1 has two support plates 6 fixedly installed inside. Two sliding rods 14 pass through the two support plates 6 and are slidably connected to the support plates 6. Each sliding rod 14 is fixedly connected to the movable plate 13 through a fixed plate 16. Each thrust spring 15 supports one support plate 6 and one fixed plate 16 at both ends.

[0026] The fixed frame 12 is fixedly connected to the anti-theft door body 1 by multiple fixing bolts 18, and the multiple fixing bolts 18 all pass through the fixed frame 12 and are threadedly connected to the anti-theft door body 1;

[0027] A fixing rod 19 is fixedly installed on the top of the movable board 13, and two sponge strips 20 are fixedly connected to the front and rear ends of the fixing rod 19 respectively.

[0028] The working principle of the double-layer soundproof security door based on the embodiment is as follows: the security door body 1 is installed and fixed in the door frame by the hinge 2, so that the front side of the security door body 1 is located inside the room and the rear side of the security door body 1 is located outside the room. By the hollow interior of the security door body 1, and the sound insulation layer 5 fixed on the inner wall of the security door body 1, the security door body 1 can be soundproofed in two layers. By setting the first glass 9 and the second glass 11, the fixing groove 4 can play a certain sound insulation effect, so that the sound insulation effect of the security door body 1 is relatively good.

[0029] When it is necessary to observe the outside situation of the security door body 1, by pulling the handle 17 and sliding it down the slide groove 3, the movable plate 13 can be moved down. The movable plate 13 can drive the slide rod 14 to slide down the support plate 6. The fixed plate 16 and the support plate 6 can compress the thrust spring 15. The movable plate 13 can be moved down to open the fixed groove 4, making it easy to observe the outside world through the first glass 9 and the second glass 11. The protective frame 7 can conveniently protect the first glass 9 and the second glass 11.

[0030] The thrust of the spring 15 pushes the movable plate 13 upward to reset, automatically blocking and closing the fixed groove 4. As the movable plate 13 moves up and down, the fixed rod 19 drives the two sponge strips 20 to move up and down synchronously, so that the sponge strips 20 wipe the inside of the first glass 9 and the second glass 11. This absorbs and removes the water condensed on the inside of the first glass 9 and the second glass 11, preventing the water condensation on the inside of the first glass 9 and the second glass 11 from affecting the observation operation.

[0031] The above specific embodiments are merely several preferred embodiments of this utility model. Based on the technical solution of this utility model and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A double-layer soundproof security door, comprising a security door body (1), a sound insulation layer (5), and a support frame (10), characterized in that: Sound insulation layers (5) are fixedly installed on the front and rear sides of the inner wall of the anti-theft door body (1). A fixing groove (4) is opened on the inner side of the anti-theft door body (1). A protective frame (7) is fixedly installed on the inner side of the fixing groove (4). A first glass (9) is fixedly fixed on the inner side of the fixing groove (4) on the front side of the protective frame (7). A support frame (10) is fixedly supported on the inner side of the fixing groove (4) on the front side of the first glass (9). A second glass (11) is fixedly fixed on the inner side of the fixing groove (4) on the front side of the support frame (10). A fixing frame (12) is fixedly connected on the inner side of the fixing groove (4) on the front side of the second glass (11). The inner side of the support frame (10) A movable plate (13) is slidably installed. Two sponge strips (20) are fixedly connected to the top of the movable plate (13). The two sponge strips (20) are respectively attached to the inner side of the first glass (9) and the second glass (11). The bottom of the movable plate (13) extends below the support frame (10) and into the interior of the anti-theft door body (1). Two sliding rods (14) are fixedly connected to the bottom of the movable plate (13). A thrust spring (15) is sleeved around the periphery of the two sliding rods (14). A handle (17) is fixedly installed at the front end of the movable plate (13) below the support frame (10). The handle (17) extends out of the front side of the anti-theft door body (1).

2. The double-layer soundproof and burglarproof door according to claim 1, characterized in that: Two hinges (2) are fixedly installed on one side of the anti-theft door body (1), and a support frame (8) is used to limit and support the first glass (9) and the protective frame (7).

3. A double-layer soundproof and burglarproof door according to claim 1, characterized in that: The front side of the anti-theft door body (1) is provided with a sliding groove (3), and the handle (17) extends out of the front side of the anti-theft door body (1) through the sliding groove (3) and is slidably connected to the sliding groove (3).

4. A double-layer soundproof and burglarproof door according to claim 1, characterized in that: The anti-theft door body (1) has two support plates (6) fixedly installed inside. The two sliding rods (14) pass through the two support plates (6) respectively and are slidably connected to the support plates (6). Each sliding rod (14) is fixedly connected to the movable plate (13) through a fixed plate (16). The two ends of each thrust spring (15) support a support plate (6) and a fixed plate (16) respectively.

5. A double-layer soundproof and burglarproof door according to claim 1, characterized in that: The fixed frame (12) is fixedly connected to the anti-theft door body (1) by a plurality of fixing bolts (18), and the plurality of fixing bolts (18) all pass through the fixed frame (12) and are threadedly connected to the anti-theft door body (1).

6. A double-layer soundproof and burglarproof door according to claim 1, characterized in that: A fixing rod (19) is fixedly installed on the top of the movable plate (13), and two sponge strips (20) are fixedly connected to the front end and the rear end of the fixing rod (19) respectively.