Test mute box

Abstract

The utility model discloses a test mute box which comprises a box body, a sound insulation plate is arranged on the right side of the box body, the front face and the back face of the sound insulation plate are both fixedly connected with inserting rods, the left ends of the two inserting rods are both inserted into the box body and are in sliding connection with the box body, and the left side and the right side of the sound insulation plate are both fixedly connected with sealing rings. An extrusion plate is arranged on the right side of the sound insulation plate, and a driving mechanism for driving the extrusion plate to move left and right is arranged on the box body. According to the utility model, pressure can be provided for the sound insulation plate, namely a box door of a traditional sound insulation box, so that the box door is tightly pressed on the sound insulation box, the condition that a gap exists between the box door and the box body is effectively reduced, the sound insulation effect of the mute box is further improved, sound insulation processing can be effectively carried out on equipment with wiring, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mute box, more specifically, relate to a test mute box. BACKGROUND

[0002] The test mute box is a kind of equipment for creating low noise environment to carry out acoustic test, electronic equipment test etc.It can effectively isolate external noise interference, and also can prevent the sound generated in the box from leaking to the outside.

[0003] The test mute box is usually composed of cabinet door and cabinet, when testing equipment, cabinet door is used to close cabinet, but there is usually no pressure between cabinet door and cabinet, so that the part contacted by the two is prone to gap, thereby affecting the sound insulation effect. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a test mute box, which effectively avoids the gap between the cabinet door and the cabinet, and improves the sound insulation effect of the mute box.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A test mute box, comprising a cabinet, a sound insulation board is arranged on the right side of the cabinet, a plug rod is fixedly connected to the front and back of the sound insulation board, the left end of the two plug rods is inserted into the cabinet and is slidably connected thereto, a sealing ring is fixedly connected to the left and right sides of the sound insulation board, an extrusion plate is arranged on the right side of the sound insulation board, and a driving mechanism for driving the left and right movement of the extrusion plate is arranged on the cabinet.

[0007] Further description of the above technical scheme:

[0008] The driving mechanism comprises two fixed boxes, the opposite sides of the two fixed boxes are fixedly connected to the cabinet, a moving plate is fixedly connected to the right side of the extrusion plate, two screw rods are inserted into the moving plate and are rotatably connected thereto, the left end of the two screw rods is respectively inserted into the two fixed boxes and is threadedly connected thereto, two motors are fixedly connected to the right side of the moving plate, and the output shafts of the two motors are fixedly connected to the two screw rods.

[0009] Further description of the above technical scheme:

[0010] A vertical groove is formed in the right side of the sound insulation board, a threading hole is formed in the inner wall of the vertical groove, a sound insulation layer is fixedly connected to the inner wall of the vertical groove, and a sound insulation strip is fixedly connected to the left side of the extrusion plate.

[0011] Further description of the above technical scheme:

[0012] The soundproof board is fixedly connected with a sealing frame on the left side.

[0013] As a further description of the above technical solution:

[0014] The right side of the sealing ring is provided with a guide groove, and the guide groove is in a horn shape.

[0015] As a further description of the above technical solution:

[0016] The front of the box is fixedly connected with a controller for controlling the opening and closing of the motor.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The present application can provide pressure to the soundproof board, that is, the traditional soundproof box door, so that the door is pressed tightly on the soundproof box, effectively reducing the gap between the door and the box, thereby improving the sound insulation effect of the soundproof box, and effectively insulating the equipment with wiring, improving the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a perspective view of the utility model;

[0020] Fig. 2 It is a perspective view of the utility model;

[0021] Fig. 3 It is a perspective view of the utility model;

[0022] Fig. 4 It is a perspective view of the utility model.

[0023] Explanation of reference numerals in the drawings:

[0024] 1, box; 2, soundproof board; 3, plug rod; 4, sealing ring; 5, extruded plate; 6, driving mechanism; 601, fixed box; 602, moving plate; 603, screw rod; 604, motor; 7, vertical groove; 8, threading hole; 9, sound insulation layer; 10, sound insulation strip; 11, sealing frame; 12, sealing ring; 13, guide groove; 14, controller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0026] Please refer to Figs. 1-4The utility model discloses: a test mute box, including the box 1, the right side of box 1 is provided with the sound insulation board 2, the sound insulation board 2's front and back are all fixedly connected with the plug pole 3, and the left end of two plug poles 3 is inserted in the box 1 and is slidably connected with it, and the left and right sides of sound insulation board 2 are all fixedly connected with the sealing ring 4, and the right side of sound insulation board 2 is provided with the extrusion plate 5, and the box 1 is provided with the drive mechanism 6 of driving extrusion plate 5 left and right movement, drive mechanism 6 includes two fixed boxes 601, and the opposite side of two fixed boxes 601 is all fixedly connected with the box 1, and the right side of extrusion plate 5 is fixedly connected with the moving plate 602, and two silk rods 603 of rotationally connected with it are inserted on the moving plate 602, and the left end of two silk rods 603 is inserted on two fixed boxes 601 respectively and is threadedly connected with it, and the right side of moving plate 602 is fixedly connected with two motors 604, and the output shaft of two motors 604 is fixedly connected with two silk rods 603 respectively.

[0027] The utility model discloses: a test mute box, including the box 1, the right side of box 1 is provided with the sound insulation board 2, the sound insulation board 2's front and back are all fixedly connected with the plug pole 3, and the left end of two plug poles 3 is inserted in the box 1 and is slidably connected with it, and the left and right sides of sound insulation board 2 are all fixedly connected with the sealing ring 4, and the right side of sound insulation board 2 is provided with the extrusion plate 5, and the box 1 is provided with the drive mechanism 6 of driving extrusion plate 5 left and right movement, drive mechanism 6 includes two fixed boxes 601, and the opposite side of two fixed boxes 601 is all fixedly connected with the box 1, and the right side of extrusion plate 5 is fixedly connected with the moving plate 602, and two silk rods 603 of rotationally connected with it are inserted on the moving plate 602, and the left end of two silk rods 603 is inserted on two fixed boxes 601 respectively and is threadedly connected with it, and the right side of moving plate 602 is fixedly connected with two motors 604, and the output shaft of two motors 604 is fixedly connected with two silk rods 603 respectively.

[0028] Please refer to Figs. 1-4 Among them: the right side of sound insulation board 2 is provided with vertical groove 7, and the inner wall of vertical groove 7 is provided with threading hole 8, and the inner wall of vertical groove 7 is fixedly connected with sound insulation layer 9, and the left side of extrusion plate 5 is fixedly connected with sound insulation strip 10.

[0029] The utility model discloses: a test mute box, including the box 1, the right side of box 1 is provided with the sound insulation board 2, the sound insulation board 2's front and back are all fixedly connected with the plug pole 3, and the left end of two plug poles 3 is inserted in the box 1 and is slidably connected with it, and the left and right sides of sound insulation board 2 are all fixedly connected with the sealing ring 4, and the right side of sound insulation board 2 is provided with the extrusion plate 5, and the box 1 is provided with the drive mechanism 6 of driving extrusion plate 5 left and right movement, drive mechanism 6 includes two fixed boxes 601, and the opposite side of two fixed boxes 601 is all fixedly connected with the box 1, and the right side of extrusion plate 5 is fixedly connected with the moving plate 602, and two silk rods 603 of rotationally connected with it are inserted on the moving plate 602, and the left end of two silk rods 603 is inserted on two fixed boxes 601 respectively and is threadedly connected with it, and the right side of moving plate 602 is fixedly connected with two motors 604, and the output shaft of two motors 604 is fixedly connected with two silk rods 603 respectively.

[0030] Please refer to Figs. 1-4 Among them: the left side of sound insulation board 2 is fixedly connected with sealing frame 11, and the box 1 is provided with sealing ring 12 that is fixedly connected with it.

[0031] The sealing frame 11 is buckled on the sealing ring 12 when the soundproof board 2 is tightly attached to the box body 1, thereby improving the sealing effect of the soundproof board 2 on the box body 1, and further improving the mute effect of the device.

[0032] Please refer to Figs. 1-3 The right side of the sealing ring 12 is provided with a guide groove 13, and the shape of the guide groove 13 is trumpet-shaped.

[0033] In the utility model, the setting of the guide groove 13 can facilitate the sealing frame 11 to be sleeved on the sealing ring 12, thereby improving the practicability of the device.

[0034] Please refer to Fig. 1 The front surface of the box body 1 is fixedly connected with a controller 14 for controlling the opening and closing of the motor 604.

[0035] In the utility model, the setting of the controller 14 can facilitate the user to control the opening and closing of the motor 604, thereby improving the practicability of the device.

[0036] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A test anechoic chamber comprising a chamber (1), characterized in that: The right side of the box (1) is provided with a soundproof board (2), the front and back of the soundproof board (2) are fixedly connected with inserting rods (3), the left ends of the two inserting rods (3) are inserted into the box (1) and are slidably connected with the box (1), the left and right sides of the soundproof board (2) are fixedly connected with sealing rings (4), the right side of the soundproof board (2) is provided with an extrusion plate (5), and the box (1) is provided with a driving mechanism (6) for driving the extrusion plate (5) to move left and right.

2. The test anechoic chamber according to claim 1, characterized in that: The driving mechanism (6) comprises two fixed boxes (601), the opposite sides of the two fixed boxes (601) are fixedly connected with the box (1), the right side of the extrusion plate (5) is fixedly connected with a moving plate (602), the moving plate (602) is inserted with two screw rods (603) rotatably connected with the moving plate (602), the left ends of the two screw rods (603) are respectively inserted into the two fixed boxes (601) and are threadedly connected with the two fixed boxes (601), the right side of the moving plate (602) is fixedly connected with two motors (604), and the output shafts of the two motors (604) are fixedly connected with the two screw rods (603).

3. The test anechoic chamber according to claim 1, characterized in that: The right side of the soundproof board (2) is provided with a vertical groove (7), the inner wall of the vertical groove (7) is provided with a threading hole (8), the inner wall of the vertical groove (7) is fixedly connected with a sound insulation layer (9), and the left side of the extrusion plate (5) is fixedly connected with a sound insulation strip (10).

4. The test anechoic chamber according to claim 1, characterized in that: The left side of the soundproof board (2) is fixedly connected with a sealing frame (11), and the box (1) is provided with a sealing ring (12) fixedly connected with the box (1).

5. A test anechoic chamber according to claim 4, characterized in that: The right side of the sealing ring (12) is provided with a guide groove (13), and the guide groove (13) is in the shape of a horn.

6. The test anechoic chamber according to claim 2, characterized in that: The front of the box (1) is fixedly connected with a controller (14) for starting and stopping the control motor (604).

Images