Anechoic chamber shielding door convenient to install

Abstract

The utility model discloses an anechoic chamber shielding door convenient to install in the technical field of anechoic chamber shielding doors, and the anechoic chamber shielding door comprises an anechoic chamber shielding door, the outer wall of one end of the anechoic chamber shielding door is provided with a connecting plate, and the center of the surface of the connecting plate is provided with a positioning hole A; a square column is installed below the center of the front end face of the anechoic chamber shielding door, the structure is reasonable, the supporting seat and the hinge pin shaft are arranged, the supporting seat is arranged on the lower portion in the square column in a sliding mode through the supporting column, the outer wall of a screw in the square column is arranged in a threaded groove in the supporting column in a threaded connection mode, and therefore the supporting seat and the hinge pin shaft are fixed. The hand wheel is rotated to drive the screw rod to rotate forwards or backwards, the screw rod rotates forwards or backwards, the support can be synchronously driven to move upwards or downwards, and when the shielding door of the anechoic chamber needs to be straightened in the installation process, the shielding door of the anechoic chamber can be straightened and supported only by rotating the hand wheel and driving the support to make contact with the ground.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic wave darkroom shielding doors, in particular to an electromagnetic wave darkroom shielding door which is easy to install. Background Art

[0002] Anechoic chamber shielding door is a device used to shield electromagnetic interference, usually used in laboratories, medical equipment and communication equipment. The design of this door can effectively prevent external electromagnetic interference from entering the room, ensuring the normal operation and accuracy of equipment and experiments. Anechoic chamber shielding door is usually made of metal material, with good shielding effect and sealing performance. In places where the electromagnetic environment needs to be stable and accurate, it is very important to use the shielded door of the anechoic chamber. At present, there are still some problems in the installation of the shielded door of the anechoic chamber. During the installation of the shielded door of the anechoic chamber, due to the large overall size and heavy weight of the shielded door of the anechoic chamber, it is necessary to use the hanger equipment or more people to straighten the shielded door of the anechoic chamber during installation, and it is also necessary to spare one more person to install the shielded door of the anechoic chamber. The process is cumbersome and troublesome. The use of the hanger equipment to straighten the shielded door of the anechoic chamber requires a certain amount of funds and is poor in economy. At the same time, the hinge installation part of the shielded door of the anechoic chamber and the door frame is prone to the limitation of the hinge pin shaft on the shielded door of the anechoic chamber, which makes it difficult to install the shielded door of the anechoic chamber in the hinge on the door frame, causing installation difficulties, thereby reducing the use effect of the shielded door of the anechoic chamber and indirectly affecting the installation efficiency of the shielded door of the anechoic chamber.

[0003] Therefore, it is necessary to develop a kind of radio wave darkroom shielding door that is easy to install. Utility Model Content

[0004] The utility model aims to provide a shielding door for an anechoic chamber that is easy to install. By providing a support and a hinge pin, the support is set at the lower part of the inner part of a square column by a support column in a sliding manner, and the outer wall of the screw in the square column is set in a threaded groove on the support column in a threaded connection manner, so that the hand wheel is turned to drive the screw to rotate forward or reversely, and the forward or reverse rotation of the screw can synchronously drive the support to move upward or downward. When the shielding door for the anechoic chamber needs to be straightened during its installation, it only needs to turn the hand wheel to drive the support to contact the ground, so as to achieve the straightening and supporting treatment of the shielding door for the anechoic chamber, and try to avoid the situation that the shielding door for the anechoic chamber cannot stand on the ground and needs to be straightened by relevant personnel for installation, so as to solve the problem that the shielding door for the anechoic chamber has poor effect and affects the installation efficiency in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anechoic chamber shielding door that is easy to install, comprising an anechoic chamber shielding door, a connecting plate is installed on the outer wall of one end of the anechoic chamber shielding door, a positioning hole A is opened at the center position of the surface of the connecting plate, and a square column is installed below the center position of the front end surface of the anechoic chamber shielding door;

[0006] The inner center position of the connecting plate is rotatably connected with a rotating shaft, the outer wall center position of the rotating shaft is provided with a gear, and the upper and lower parts of the connecting plate are slidably connected with moving blocks.

[0007] Preferably, a supporting column is installed at the bottom end of the square column, and the outer wall of the supporting column is slidably connected to the inside of the square column.

[0008] Preferably, a threaded groove is provided at the inner center of the support column, and a screw rod is rotatably connected to the inner top center of the square column.

[0009] Preferably, the outer wall of the screw is threadedly connected to the inner wall of the thread groove, a support is installed at the bottom end of the support column, and a hand wheel is installed at the top end of the screw, and the hand wheel is located above the square column.

[0010] Preferably, a turntable is installed at the top end of the rotating shaft, the outer wall of the turntable is rotatably connected to the surface of the connecting plate, and a positioning plate is installed at the center position of the front end surface of the turntable.

[0011] Preferably, positioning holes B are provided above and below the surface of the positioning plate, and the positioning holes B are fixedly connected to the positioning holes A by fastening bolts.

[0012] Preferably, a rack is provided on one side of the bottom of the moving block, and one group of the rack is installed corresponding to the two groups of moving blocks, and is divided into left and right positions.

[0013] Preferably, the teeth on the rack are meshed with the teeth on the gear, and a hinge pin is provided on the top of the moving block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By providing a support and a hinge pin, the support is set at the lower part of the square column in a sliding manner by the support column, and the outer wall of the screw in the square column is set in the threaded groove on the support column in a threaded connection manner, so that the hand wheel is turned to drive the screw to rotate forward or reverse, and the forward or reverse rotation of the screw can synchronously drive the support to move upward or downward. When the shielding door of the anechoic chamber needs to be straightened during its installation, it only needs to turn the hand wheel to drive the support to contact the ground, so as to achieve the straightening and supporting treatment of the shielding door of the anechoic chamber, and try to avoid the situation that the shielding door of the anechoic chamber cannot stand on the ground and needs to be straightened by relevant personnel for installation.

[0016] The two sets of hinge pins are correspondingly arranged on the upper and lower parts of the connecting plate by the moving blocks, and the racks on the moving blocks are meshed with the gears to rotate the turntable to drive the two sets of moving blocks to move synchronously outward or inward. When the shielding door of the radio wave darkroom needs to be connected and installed with the hinges on the door frame, it is only necessary to reverse the turntable, adjust the hinge pins at both ends to move inward, and then push the shielding door of the radio wave darkroom between the hinges on the door frame. After the position of the shielding door of the radio wave darkroom is adjusted, the turntable is rotated forward until the hinge pins at both ends move outward and can be inserted into the corresponding hinges. At the same time, the structure is simple and the operation is convenient, so that the shielding door of the radio wave darkroom is easy to install. The shielding door of the radio wave darkroom is effectively improved in use effect, and the installation efficiency of the shielding door of the radio wave darkroom is indirectly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A side view of a partial cross-section provided by the utility model;

[0018] Figure 2 A front view partial cross-sectional view provided by the utility model;

[0019] Figure 3 A front view of a local structure provided by the utility model;

[0020] Figure 4 The utility model provides Figure 2 A magnified view of the structure at A;

[0021] Figure 5 A three-dimensional diagram of the structure of the shielding door of the anechoic chamber provided by the utility model;

[0022] Figure 6 This is a partial structural stereogram provided by the utility model.

[0023] In the figure: 1. anechoic chamber shielding door; 2. connecting plate; 201. positioning hole A; 3. square column; 301. supporting column; 302. threaded groove; 303. screw; 304. support; 305. hand wheel; 4. rotating shaft; 401. gear; 402. turntable; 403. positioning plate; 404. positioning hole B; 5. moving block; 501. rack; 502. hinge pin. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides the following technical solutions: a shielding door for an anechoic chamber that is easy to install, please refer to Figure 1-6 , including a radio wave darkroom shielding door 1, a connecting plate 2 is installed on the outer wall of one end of the radio wave darkroom shielding door 1, and a positioning hole A201 is opened at the center position of the surface of the connecting plate 2, a square column 3 is installed below the center position of the front end surface of the radio wave darkroom shielding door 1, a supporting column 301 is installed at the bottom end of the square column 3, the outer wall of the supporting column 301 is slidably connected with the inside of the square column 3, a threaded groove 302 is opened at the center position of the inside of the supporting column 301, a screw rod 303 is rotatably connected at the center position of the top end of the inside of the square column 3, the outer wall of the screw rod 303 is threadedly connected with the inner wall of the threaded groove 302, a support 304 is installed at the bottom end of the support column 301, a hand wheel 305 is installed at the top end of the screw rod 303, and the hand wheel 305 is located above the square column 3, and the support 304 is moved from the support column 301 to the inner wall of the threaded groove 302. The square column 3 is set at the bottom of the interior in a sliding manner, and the outer wall of the screw 303 in the square column 3 is set in the thread groove 302 on the support column 301 in a threaded connection manner, so that the hand wheel 305 is turned to drive the screw 303 to rotate forward or reversely. The screw 303 rotates forward or reversely, and the support 304 can be driven to move upward or downward synchronously. When the anechoic chamber shielding door 1 needs to be straightened during its installation, it only needs to turn the hand wheel 305 to drive the support 304 to contact the ground, so as to achieve the straightening and supporting treatment of the anechoic chamber shielding door 1, and try to avoid the situation that the anechoic chamber shielding door 1 cannot stand on the ground and needs to be straightened by relevant personnel for installation, and try to avoid the situation that the anechoic chamber shielding door 1 is difficult to stand up due to the contact surface range with the ground;

[0026] The inner center of the connecting plate 2 is rotatably connected with a rotating shaft 4, the outer wall center of the rotating shaft 4 is provided with a gear 401, a rotating disk 402 is installed at the top of the rotating shaft 4, the outer wall of the rotating disk 402 is rotatably connected with the surface of the connecting plate 2, and a positioning plate 403 is installed at the center of the front end surface of the rotating disk 402. The rotating shaft 4 is set at the inner center of the connecting plate 2 in a rotatable connection manner, and the rotating disk 402 on the top of the rotating shaft 4 is set at the surface center of the connecting plate 2 in a rotatable connection manner, so that the positioning plate 403 on the surface of the rotating disk 402 can drive the rotating shaft 4 to rotate forward or backward. Reversing, positioning holes B404 are provided on the upper and lower surfaces of the positioning plate 403, and the positioning holes B404 are fixedly connected to the positioning holes A201 by fastening bolts. Moving blocks 5 are slidably connected to the upper and lower surfaces of the connecting plate 2, and a rack 501 is provided on one side of the bottom of the moving block 5. One set of racks 501 is installed corresponding to the two sets of moving blocks 5, and the racks 501 are meshed with the gears on the gear 401. A hinge pin 502 is provided on the top of the moving block 5. The two sets of hinge pins 502 are correspondingly provided on the inner surface of the connecting plate 2 by the moving blocks 5. The rack 501 on the moving block 5 is meshed with the gear 401 on the rotating shaft 4. The rack 501 is installed in such a way that one set of racks 501 is arranged on the left side of the bottom of the moving block 5, and another set of racks 501 is arranged on the rear side of the bottom of the moving block 5, forming opposite left and right positions, so that the turntable 402 rotates forward or reversely to drive the two sets of moving blocks 5 to move outward or inward synchronously. When the shielding door 1 of the anechoic chamber needs to be connected and installed with the hinges on the door frame, it is only necessary to reverse the turntable 402, adjust the hinge pins at both ends to move inward, and then the shielding door 1 of the anechoic chamber can be connected and installed. Push it between the hinges on the door frame. After the position of the anechoic chamber shielding door 1 is adjusted, turn the turntable 402 forward until the hinge pins 502 at both ends move outward and can be inserted between the corresponding hinges to achieve the installation of the anechoic chamber shielding door 1 on the door frame. When the anechoic chamber shielding door 1 is installed, the positioning hole B404 on the positioning plate 403 is opposite to the horizontal positioning hole A201 of the connecting plate 2, and then it can be fixed by thread locking with the fastening bolts, and the situation that the hinge pin 502 is retracted into the connecting plate 2 due to the reversal of the gear 401 is avoided as much as possible.

[0027] Working principle: When using the utility model, the support 304 is set at the lower part of the square column 3 by the support column 301 in a sliding manner, and the outer wall of the screw 303 in the square column 3 is set in the thread groove 302 on the support column 301 in a threaded connection manner, so that the hand wheel 305 is turned to drive the screw 303 to rotate forward or reversely, and the screw 303 rotates forward or reversely, which can synchronously drive the support 304 to move upward or downward. When the shielding door 1 of the anechoic chamber needs to be straightened during its installation, it only needs to turn the hand wheel 305 to drive the support 304 to contact the ground, so as to achieve the straightening and supporting treatment of the shielding door 1 of the anechoic chamber, and try to avoid the anechoic chamber. The shielding door 1 cannot stand on the ground and needs to be straightened and installed by relevant personnel, and the situation that the shielding door 1 of the radio wave darkroom is difficult to stand up due to the influence of the contact surface range with the ground is avoided as much as possible. The rotating shaft 4 is set at the inner center position of the connecting plate 2 in a rotating connection manner, and the rotating disk 402 on the top of the rotating shaft 4 is set at the surface center position of the connecting plate 2 in a rotating connection manner. The positioning plate 403 on the surface of the rotating disk 402 can be turned to drive the rotating shaft 4 to rotate forward or reverse. The two sets of page pins 502 are correspondingly set at the upper and lower parts of the connecting plate 2 by the moving block 5, and the rack 501 on the moving block 5 is connected to the rotating shaft. The gear 401 on 4 is meshed and connected, and the rack 501 is installed. One set of racks 501 is set on the left side of the bottom of the moving block 5, and one set of racks 501 is set on the rear side of the bottom of the moving block 5, forming opposite left and right positions, so that the turntable 402 rotates forward or reversely to drive the two sets of moving blocks 5 to move synchronously outward or inward. When the anechoic chamber shielding door 1 needs to be connected and installed with the hinges on the door frame, it is only necessary to reverse the turntable 402, adjust the hinge pins at both ends to move inward, and then push the anechoic chamber shielding door 1 between the hinges on the door frame. After the position of the anechoic chamber shielding door 1 is adjusted, the turntable 402 is rotated forward until the hinge pins 5 at both ends are engaged. 02 moves outward and can be inserted between the corresponding hinges to achieve the installation of the anechoic chamber shielding door 1 on the door frame. When the anechoic chamber shielding door 1 is installed, the positioning hole B404 on the positioning plate 403 is opposite to the horizontal positioning hole A201 of the connecting plate 2, and then it can be fixed by thread locking with the fastening bolts, and the situation that the hinge pin 502 is retracted into the connecting plate 2 due to the reversal of the gear 401 is avoided as much as possible. At the same time, the structure is simple and the operation is convenient, which realizes the effect of easy installation of the anechoic chamber shielding door, effectively improves the use effect of the anechoic chamber shielding door, and indirectly improves the installation efficiency of the anechoic chamber shielding door.

[0028] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A shielding door for an anechoic chamber that is easy to install, comprising a shielding door for an anechoic chamber (1), a connecting plate (2) being installed on an outer wall at one end of the shielding door for an anechoic chamber (1), a positioning hole A (201) being provided at the center of the surface of the connecting plate (2), characterized in that: A square column (3) is installed below the center of the front end surface of the electromagnetic wave darkroom shielding door (1); The inner center position of the connecting plate (2) is rotatably connected to a rotating shaft (4), the outer wall center position of the rotating shaft (4) is provided with a gear (401), and the upper and lower parts of the inner part of the connecting plate (2) are slidably connected to moving blocks (5).

2. The shielding door for an anechoic chamber that is easy to install according to claim 1, characterized in that: A support column (301) is installed at the bottom end of the square column (3), and the outer wall of the support column (301) is slidably connected to the inside of the square column (3).

3. The shielding door for an anechoic chamber that is easy to install according to claim 2, characterized in that: A thread groove (302) is provided at the inner center of the support column (301), and a screw rod (303) is rotatably connected to the inner top center of the square column (3).

4. The shielding door for an anechoic chamber that is easy to install according to claim 3, characterized in that: The outer wall of the screw rod (303) is threadedly connected to the inner wall of the thread groove (302); a support (304) is installed at the bottom end of the support column (301); a hand wheel (305) is installed at the top end of the screw rod (303); and the hand wheel (305) is located above the square column (3).

5. The shielding door for an anechoic chamber that is easy to install according to claim 1, characterized in that: A rotating disk (402) is installed at the top end of the rotating shaft (4); the outer wall of the rotating disk (402) is rotatably connected to the surface of the connecting plate (2); and a positioning plate (403) is installed at the center of the front end surface of the rotating disk (402).

6. The shielding door for an anechoic chamber that is easy to install according to claim 5, characterized in that: Positioning holes B (404) are provided above and below the surface of the positioning plate (403), and the positioning hole B (404) is fixedly connected to the positioning hole A (201) by fastening bolts.

7. The shielding door for an anechoic chamber that is easy to install according to claim 1, characterized in that: A rack (501) is provided on one side of the bottom of the moving block (5), and one set of the rack (501) is installed corresponding to the two sets of moving blocks (5), and is located at left and right positions.

8. The shielding door for an anechoic chamber that is easy to install according to claim 7, characterized in that: The teeth on the rack (501) are meshed and connected with the teeth on the gear (401), and a hinge pin (502) is provided on the top of the moving block (5).

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