Single linkage isolation glottis
By designing a single-open linkage isolation door, the synchronous operation of the external and internal sound insulation doors is achieved using the linkage rod and magnetic block system, the order requirements and collision problems of the doors in the absolute chamber are solved, and the operation convenience and safety are improved.
Patent Information
- Application Number
- CN202422570433.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-24
AI Technical Summary
There are sequence requirements when the doors in and outside the sound absorption chamber need to be opened or closed at the same time, and may collide, affecting the operation of personnel in the laboratory.
A single-open linkage isolation door is designed to achieve synchronous opening or closing of the external and internal sound insulation doors through the linkage rod and magnetic block system. The combination of the magnetic head and limit block is used to avoid collision and fix the relative position of the door.
It enables the door to be opened or closed at the same time, both inside and outside the laboratory, avoiding the impact of door collision and wind, and improving the convenience and safety of operation.
Smart Images

Figure CN223151944U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anechoic chambers, and specifically relates to a single-opening linkage isolation sound door. Background Technique
[0002] An anechoic chamber usually adopts a room-in-room structure, that is, a combination form of an inner room and an outer room. One door for personnel passage needs to be installed in each of the inner room and the outer room. In this case, the two doors need to open in one direction (the outside of the room), and there are sequence requirements when opening and closing, and at the same time, the two doors may collide; if a person is in the laboratory, they cannot close the outer door; if a person is in the laboratory and the two doors are in a closed state, the personnel in the laboratory cannot open the doors. Content of the Utility Model
[0003] The purpose of the utility model is to provide a single-opening linkage isolation sound door to solve the problems raised in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A single-opening linkage isolation sound door, including an outer sound insulation door and an inner sound insulation door, the outer sound insulation door and the inner sound insulation door are arranged in parallel, a fixed block is fixedly connected to the side end of the outer sound insulation door, a limit block is fixedly connected to the side end of the inner sound insulation door, a linkage rod is arranged between the limit block and the fixed block, and two ends of the linkage rod are respectively rotatably connected to the limit block and the fixed block. A guiding groove is arranged at the side end of the limit block, a magnetic attraction block is embedded in the limit block, the magnetic attraction block is located in the middle of the guiding groove, an installation cavity is arranged at the side end of the outer sound insulation door, the installation cavity is of a T-shaped structure, a sliding plate is slidably connected in the installation cavity, a magnetic attraction head is fixedly connected to the side end of the sliding plate, a return spring is fixedly connected between the sliding plate and the inner wall of the installation cavity, moving plates are slidably connected to both sides of the installation cavity, a rubber head is fixedly connected to the front end of the moving plate, and an anti-collision rubber pad is fixedly connected to the side end of the outer sound insulation door, and a pressing plate is arranged inside the anti-collision rubber pad.
[0005] Preferably, the length of the outer sound insulation door is greater than that of the inner sound insulation door, there is a gap between the outer sound insulation door and the inner sound insulation door, and handles are arranged at the side ends of the outer sound insulation door and the inner sound insulation door.
[0006] Preferably, a through hole is arranged in the middle of the anti-collision rubber pad, the magnetic attraction head is located at the through hole, and when the outer sound insulation door and the inner sound insulation door are opened, the limit block abuts against the anti-collision rubber pad.
[0007] Preferably, the bottom of the guiding groove is of an arc structure, the side end of the magnetic attraction block is of an arc structure, the front end of the magnetic attraction head is of a spherical structure, and when the limit block abuts against the anti-collision rubber pad, the side end of the magnetic attraction head abuts against the magnetic attraction block.
[0008] Preferably, one end of the extrusion plate is fixedly connected with a fixed head, the other end of the extrusion plate is of an inclined structure, the side end of the moving plate is an inclined surface, the fixed head is of a fan-shaped structure, and the fixed head is embedded in the anti-collision rubber pad.
[0009] Preferably, clamping grooves are provided on both sides of the sliding plate. When the limiting block abuts against the anti-collision rubber pad, the rubber head is clamped in the clamping groove.
[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: the outer sound insulation door and the inner sound insulation door can be opened or closed simultaneously through the linkage rod, and the operation is simple and convenient. Whether people are inside or outside the laboratory, they can close or open the access door; when the outer sound insulation door and the inner sound insulation door are in the open or closed state, the magnetic attraction block can adsorb the magnetic attraction head, and at the same time, the limiting block squeezes the extrusion plate, so as to clamp the rubber head into the clamping groove, and limit and fix the outer sound insulation door and the inner sound insulation door, avoiding the movement between the outer sound insulation door and the inner sound insulation door caused by being blown by the wind. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a side view of the outer sound insulation door.
[0012] Figure 2 It is a schematic cross-sectional view of the outer sound insulation door and the inner sound insulation door.
[0013] Figure 3 It is a schematic connection diagram of the outer sound insulation door and the inner sound insulation door.
[0014] Figure 4 It is a schematic connection diagram of the limiting block for limiting.
[0015] In the figure: 1 outer sound insulation door, 2 inner sound insulation door, 3 anti-collision rubber pad, 4 fixed block, 5 limiting block, 6 linkage rod, 7 guide groove, 8 magnetic attraction block, 9 installation cavity, 10 sliding plate, 11 magnetic attraction head, 12 return spring, 13 extrusion plate, 14 fixed head, 15 moving plate, 16 rubber head, 17 clamping groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] In order to deepen the understanding and recognition of the present utility model below, the technical solutions in the embodiments of the present utility model will be clearly and completely described and introduced with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments, and no any form of limitation is imposed on the present embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0017] Please refer to Figures 1-4The utility model provides a technical solution: a single-open linkage sound isolation door, comprising an outer sound isolation door 1 and an inner sound isolation door 2, the outer sound isolation door 1 and the inner sound isolation door 2 are arranged in parallel, the side end of the outer sound isolation door 1 is fixedly connected with a fixed block 4, the side end of the inner sound isolation door 2 is fixedly connected with a limit block 5, a linkage rod 6 is arranged between the limit block 5 and the fixed block 4, the two ends of the linkage rod 6 are respectively rotatably connected with the limit block 5 and the fixed block 4, the side end of the limit block 5 is provided with a guide groove 7, the inside of the limit block 5 is inlaid with a magnetic block 8, and the magnetic block 8 is located in the middle of the guide groove 7, the side end of the outer sound isolation door 1 is provided with an installation cavity 9, the installation cavity 9 is a T-shaped structure, and the installation cavity 9 is provided with a guide groove 7. A sliding plate 10 is slidably connected, a magnetic head 11 is fixedly connected to the side end of the sliding plate 10, a return spring 12 is fixedly connected between the sliding plate 10 and the inner wall of the installation cavity 9, a moving plate 15 is slidably connected to both sides of the installation cavity 9, a rubber head 16 is fixedly connected to the front end of the moving plate 15, an anti-collision rubber pad 3 is fixedly connected to the side end of the outer sound insulation door 1, an extrusion plate 13 is provided inside the anti-collision rubber pad 3, a linkage rod 6 is arranged between the outer sound insulation door 1 and the inner sound insulation door 2, when one door is opened at will, the outer sound insulation door 1 and the inner sound insulation door 2 can move at the same time, there is no need to accidentally open the sound insulation door 1 and the inner sound insulation door 2 in the order, and it is more convenient to use.
[0018] The length of the outer sound insulation door 1 is greater than that of the inner sound insulation door 2. There is a gap between the outer sound insulation door 1 and the inner sound insulation door 2 to facilitate movement between the outer sound insulation door 1 and the inner sound insulation door 2. Handles are provided on the side ends of the outer sound insulation door 1 and the inner sound insulation door 2 to facilitate opening the outer sound insulation door 1 and the inner sound insulation door 2.
[0019] A through hole is provided in the middle of the anti-collision rubber pad 3, and the magnetic head 11 is located at the through hole. When the outer sound insulation door 1 and the inner sound insulation door 2 are opened, the limit block 5 abuts against the anti-collision rubber pad 3. When the outer sound insulation door 1 and the inner sound insulation door 2 are opened, the limit block 5 hits the anti-collision rubber pad 3, thereby reducing the collision sound when the outer sound insulation door 1 and the inner sound insulation door 2 are opened, and avoiding affecting the test inside the anechoic chamber.
[0020] The bottom of the guide groove 7 is an arc-shaped structure, the side end of the magnetic block 8 is an arc-shaped structure, and the front end of the magnetic head 11 is a spherical structure. When the limit block 5 abuts against the anti-collision rubber pad 3, the side end of the magnetic head 11 abuts against the magnetic block 8, thereby limiting and fixing the outer sound insulation door 1 and the inner sound insulation door 2 to prevent the outer sound insulation door 1 and the inner sound insulation door 2 from moving without reason.
[0021] One end of the extrusion plate 13 is fixedly connected with a fixed head 14. The other end of the extrusion plate 13 is of an inclined structure. The side end of the moving plate 15 is an inclined surface. The fixed head 14 is of a sector structure. The fixed head 14 is embedded in the anti-collision rubber pad 3. Clamping grooves 17 are provided on both sides of the sliding plate 10. When the limiting block 5 abuts against the anti-collision rubber pad 3, the rubber head 16 is clamped in the clamping groove 17. After the magnetic attraction block 8 adsorbs the magnetic attraction head 11, the limiting block 5 continues to extrude the anti-collision rubber pad 3, thereby pushing the extrusion plate 13 to move. The extrusion plate 13 extrudes the moving plate 15, and clamps the rubber head 16 into the clamping groove 17, thereby limiting and fixing the sliding plate 10, and firmly fixing the outer sound insulation door 1 and the inner sound insulation door 2 together.
[0022] Although the embodiments of the present invention have been shown and described, it should be emphasized that the above description is only an introduction and description of the usage modes of the embodiments of the present invention, and does not impose any formal restrictions on the present invention. For those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A single-opening linkage isolation glottis, comprising an outer sound insulation door (1) and an inner sound insulation door (2), characterized in that: The outer sound insulation door (1) and the inner sound insulation door (2) are arranged in parallel. A fixed block (4) is fixedly connected to the side end of the outer sound insulation door (1). A limit block (5) is fixedly connected to the side end of the inner sound insulation door (2). A linkage rod (6) is provided between the limit block (5) and the fixed block (4). Both ends of the linkage rod (6) are rotatably connected to the limit block (5) and the fixed block (4) respectively. A guide groove (7) is provided at the side end of the limit block (5). A magnetic attraction block (8) is embedded in the limit block (5). The magnetic attraction block (8) is located in the middle of the guide groove (7). An installation cavity (9) is provided at the side end of the outer sound insulation door (1). The installation cavity (9) is of a T-shaped structure. A sliding plate (10) is slidably connected in the installation cavity (9). A magnetic attraction head (11) is fixedly connected to the side end of the sliding plate (10). A return spring (12) is fixedly connected between the sliding plate (10) and the inner wall of the installation cavity (9). Moving plates (15) are slidably connected to both sides of the installation cavity (9). A rubber head (16) is fixedly connected to the front end of the moving plate (15). An anti-collision rubber pad (3) is fixedly connected to the side end of the outer sound insulation door (1). An extrusion plate (13) is provided inside the anti-collision rubber pad (3).
2. The single-opening linkage isolation glottis according to claim 1, wherein: The length of the outer sound insulation door (1) is greater than that of the inner sound insulation door (2). There is a gap between the outer sound insulation door (1) and the inner sound insulation door (2). Handles are provided at the side ends of both the outer sound insulation door (1) and the inner sound insulation door (2).
3. A single-opening linkage isolation glottis according to claim 1, characterized in that: A through hole is provided in the middle of the anti-collision rubber pad (3). The magnetic attraction head (11) is located at the through hole. When the outer sound insulation door (1) and the inner sound insulation door (2) are opened, the limit block (5) abuts against the anti-collision rubber pad (3).
4. A single-opening linkage isolation glottis according to claim 1, characterized in that: The bottom of the guide groove (7) is of an arc structure. The side end of the magnetic attraction block (8) is of an arc structure. The front end of the magnetic attraction head (11) is of a spherical structure. When the limit block (5) abuts against the anti-collision rubber pad (3), the side end of the magnetic attraction head (11) abuts against the magnetic attraction block (8).
5. A single-opening linkage isolation glottis according to claim 1, characterized in that: One end of the extrusion plate (13) is fixedly connected to a fixed head (14). The other end of the extrusion plate (13) is of an inclined structure. The side end of the moving plate (15) is of an inclined surface. The fixed head (14) is of a sector structure. The fixed head (14) is embedded in the anti-collision rubber pad (3).
6. A single-opening linkage isolation glottis according to claim 1, characterized in that: Clamping grooves (17) are provided on both sides of the sliding plate (10). When the limit block (5) abuts against the anti-collision rubber pad (3), the rubber head (16) is clamped in the clamping grooves (17).