Electromagnetic shielding door convenient to disassemble and assemble

Abstract

The utility model discloses an electromagnetic shielding door convenient to disassemble and assemble. The electromagnetic shielding door comprises an installation frame, a door frame and a locking mechanism. Symmetrically-distributed T-shaped inserting grooves are formed in the upper end and the lower end of the mounting frame, uniformly-distributed mounting plates are fixedly connected to the rear side face of the mounting frame, and limiting blocks are rotationally connected to the rear ends of the mounting plates correspondingly; symmetrical T-shaped inserting blocks are fixedly connected to the upper end and the lower end of the door frame, the T-shaped inserting blocks are connected with the adjacent T-shaped inserting grooves in the rear side in an inserted mode, a shielding door is hinged to the left end of the door frame through hinges, evenly-distributed rotating tables are fixedly connected to the rear side face of the door frame, fixing rings are rotationally connected to the front ends of the rotating tables, and the fixing rings and the adjacent limiting blocks in the rear side are installed in a matched mode; according to the electromagnetic shielding door convenient to disassemble and assemble, a T-shaped insertion block and a T-shaped insertion groove are matched for positioning, and a fixing ring and a limiting block are matched for fixing, so that disassembly and assembly of the shielding door are facilitated.

Description

Technical Field

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

[0002] Electromagnetic waves are the main way of electromagnetic energy propagation. When high-frequency circuits are working, they will radiate electromagnetic waves outward, causing interference to other nearby devices. On the other hand, various electromagnetic waves in space will also be induced into the circuit and interfere with the circuit. The role of electromagnetic shielding is to cut off the propagation path of electromagnetic waves, thereby eliminating interference. Therefore, electromagnetic shielding doors came into being. Electromagnetic shielding doors effectively shield electromagnetic radiation generated by high-voltage lines, substations, television and radio transmission towers, mobile phone base stations and radars to the surrounding environment, providing humans with a safe and healthy living and working environment. They have significant anti-far-infrared peeping and thermal imaging functions, effectively preventing home life scenes, confidentiality work, etc. from being peeped and secretly photographed;

[0003] Traditional electromagnetic shielding doors are made of cold-rolled steel plates and hinged to the door frame through hinges for use with electromagnetic shielding rooms;

[0004] This electromagnetic shielding door has the following disadvantages: it is fixed in the wall of the electromagnetic shielding room and cannot be disassembled and assembled, which has poor flexibility; there is no self-locking mechanism in the door, which is inconvenient to use; once you forget to close the door, a shielding hole will appear in the shielding room. Therefore, we propose an electromagnetic shielding door that is easy to disassemble and install. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide an electromagnetic shielding door that is easy to disassemble and install. The T-shaped plug block and the T-shaped slot cooperate for positioning, and the fixing ring and the limit block cooperate for fixing to facilitate the disassembly and assembly of the shielding door, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electromagnetic shielding door that is easy to disassemble and install, an installation frame, a door frame and a locking mechanism;

[0007] Installation frame: The upper and lower ends of the installation frame are provided with symmetrically distributed T-shaped slots. The rear side of the installation frame is fixedly connected with evenly distributed installation plates, and the rear ends of the installation plates are rotatably connected to the limit blocks;

[0008] Door frame: Both the upper and lower ends of the door frame are fixedly connected with symmetrical T-shaped plugs, which are plugged into the T-shaped slots adjacent to the rear side. The left end of the door frame is hinged with a shielding door through a hinge. The rear side of the door frame is fixedly connected with evenly distributed rotating tables, and the front ends of the rotating tables are rotatably connected with fixed rings, which are installed in coordination with the limit blocks adjacent to the rear side.

[0009] Locking mechanism: It is set in the middle of the left rear end of the shielding door. The T-shaped plug and the T-shaped slot are positioned together, and the fixing ring and the limit block are fixed together to facilitate the disassembly and assembly of the shielding door. The shielding door is equipped with a self-locking mechanism for more convenient use, and it has an automatic closing function to ensure that the shielding door is always closed to ensure the shielding effect.

[0010] Furthermore, the locking mechanism includes a locking strip, a pressing block, a rotating shaft, an avoidance groove, a fixing pin, a first connecting block and a mounting seat, the rear end of the mounting seat is fixedly connected to the middle part of the left rear end of the shielding door, the middle part of the upper end of the mounting seat is provided with an avoidance groove, the rotating shaft is rotatably connected in the avoidance groove, a socket is provided on the front side of the rotating shaft, the outer surface of the rotating shaft is fixedly connected to the left side surface of the locking strip, two guide columns are fixedly connected to the front side of the pressing block, the front ends of the guide columns are fixedly connected to the rear side surface of the first connecting block, a fixing pin is provided at the middle part of the upper end of the first connecting block, and the fixing pin is installed in coordination with the socket to achieve locking of the shielding door.

[0011] Furthermore, the locking mechanism also includes a second spring, and the outside of the guide column is respectively sleeved with a second spring, and the second spring is located between the front end of the pressing block and the rear side of the mounting seat to provide a rebound force for the pressing block.

[0012] Furthermore, a mounting groove is provided on the upper end of the rear side surface of the shielding door, and a hollow slider is slidably connected inside the mounting groove, a spring is provided between the left end of the hollow slider and the left side wall of the mounting groove, the right end of the mounting groove is rotatably connected to a gear through a rotating shaft, a rack is provided on the inner wall of the rear side of the hollow slider, the gear is meshingly connected to the rack, the upper end of the rotating shaft passes through the top wall of the mounting groove, and cooperates with a connecting rod to realize automatic closing of the door.

[0013] Furthermore, a second connecting block is fixedly installed on the top wall of the door frame, the lower end of the second connecting block is rotatably connected to connecting rod one through a pin shaft, the left end of connecting rod one is rotatably connected to connecting rod two through a pin shaft, the left end of connecting rod two is fixedly connected to the upper end of the rotating shaft, and automatic door closing is achieved in cooperation with connecting rod two.

[0014] Furthermore, I-shaped fixing blocks are provided at both upper and lower ends of the left and right side surfaces of the installation frame, so that the installation frame can be fixed more firmly.

[0015] Furthermore, a locking groove is provided in the middle of the left inner wall of the door frame, and the locking groove is installed in cooperation with the locking strip to lock the shielding door.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the electromagnetic shielding door which is easy to disassemble and install has the following advantages:

[0017] 1. First install the installation frame in the reserved opening of the electromagnetic shielding door. After the installation is completed, align the T-shaped plug on the door frame with the T-shaped slot on the installation frame and insert the door frame into the installation frame. After completion, rotate the limit block to a horizontal state, and move the fixing ring to the outside of the center of the door frame to pass through the limit block, and then turn all the limit blocks to a vertical state. The T-shaped plug and the T-shaped slot are positioned together, and the fixing ring and the limit block are fixed together to facilitate the disassembly and assembly of the shielding door, and have good flexibility.

[0018] 2. After closing the shielding room door, you can press the pressing block. Pressing down the pressing block will squeeze spring 2. At the same time, the guide columns on the left and right sides of the mounting seat move downward, driving the first connecting block to move downward. The first connecting block moves downward and drives the fixing pin to move downward until the first connecting block moves down and disengages from the socket. At this time, move the locking strip to the left into the locking groove, release the pressing block, and spring 2 rebounds to drive the fixing pin to insert into the socket, and the shielding door is locked. The shielding door is equipped with a self-locking mechanism for more convenient use.

[0019] 3. After the electromagnetic shielding door is installed, you can pull the handle in front of the door to open the shielding door. When the door is opened, the angle between connecting rod 1 and connecting rod 2 becomes larger. Since connecting rod 2 is fixedly connected to the rotating shaft at the upper end of the gear, the gear is forced to rotate. The gear rotates to drive the rack to move right, and the rack drives the hollow slider to move right, thereby squeezing spring 1. When someone enters the shielding room, the shielding door loses the effect of external force, and spring 1 rebounds, pushing the hollow slider to slide in the opposite direction. The rack transmission gear rotates in the opposite direction, pushing the angle between connecting rod 1 and connecting rod 2 to change, and the door slowly closes. It is equipped with automatic closing function to ensure that the shielding door is always closed to ensure the shielding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a rear view structural diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the structure of the utility model enlarged at A;

[0024] Figure 5 It is a schematic diagram of the structure enlarged at B of the utility model;

[0025] Figure 6 It is a schematic diagram of the structure enlarged at C of the utility model.

[0026] In the figure: 1 installation frame, 2 door frame, 3 shielding door, 4 I-shaped fixing block, 5 limit block, 6 rotating table, 7 T-shaped slot, 8 T-shaped plug block, 9 fixing ring, 10 locking mechanism, 101 locking strip, 102 pressing block, 103 spring 2, 104 rotating shaft, 105 avoidance groove, 106 fixing pin, 107 first connecting block, 108 mounting seat, 11 locking groove, 12 second connecting block, 13 connecting rod 1, 14 connecting rod 2, 15 spring 1, 16 hollow slider, 17 gear, 18 rack, 19 installation groove. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-6 , This embodiment provides a technical solution: an electromagnetic shielding door that is easy to disassemble and install, including a mounting frame 1, a door frame 2 and a locking mechanism 10;

[0029] Installation frame 1: Both upper and lower ends thereof are provided with symmetrically distributed T-slots 7, the rear side of the installation frame 1 is fixedly connected with evenly distributed installation plates, the rear ends of the installation plates are respectively rotatably connected with limit blocks 5, and both upper and lower ends of the left and right side surfaces of the installation frame 1 are provided with I-shaped fixing blocks 4, first install the installation frame 1 in the reserved opening of the electromagnetic shielding door, after the installation is completed, align the T-shaped plug block 8 on the door frame 2 with the T-slot 7 on the installation frame 1 and insert the door frame 2 into the installation frame 1, after completion, rotate the limit block 5 to a horizontal state, move the fixing ring 9 to the outside relative to the center of the door frame 2 so that it passes through the limit block 5, and then turn all the limit blocks 5 to a vertical state, if the electromagnetic shielding door needs to be removed, just repeat the above steps in the opposite process, the fixing ring and the limit block cooperate to fix and facilitate the disassembly and assembly of the shielding door;

[0030] Door frame 2: Both upper and lower ends of the door frame 2 are fixedly connected with symmetrical T-shaped plug blocks 8, which are plugged into the adjacent T-shaped slot 7 at the rear side. The left end of the door frame 2 is hinged with the shielding door 3 through a hinge. The upper end of the rear side of the shielding door 3 is provided with a mounting groove 19, and the interior of the mounting groove 19 is slidably connected with a hollow slider 16. A spring 15 is provided between the left end of the hollow slider 16 and the left side wall of the mounting groove 19. The right end of the mounting groove 19 is rotatably connected with a gear 17 through a rotating shaft. A rack 18 is provided on the inner wall of the rear side of the hollow slider 16, and the gear 17 is meshed with the rack 18. The upper end of the rotating shaft passes through the top wall of the mounting groove 19. The rear side of the door frame 2 is fixedly connected with evenly distributed rotating tables 6. The front ends of the rotating tables 6 are rotatably connected with fixed rings 9. The fixed rings 9 are installed in conjunction with the limit blocks 5 adjacent to the rear side. The top wall of the door frame 2 is fixedly installed with a second connecting block 12. The lower end of the second connecting block 12 is rotatably connected with a connecting rod 13 through a pin shaft. The connecting rod The left end of the first 13 is rotatably connected with the second connecting rod 14 through a pin shaft, and the left end of the second connecting rod 14 is fixedly connected to the upper end of the rotating shaft. A locking groove 11 is provided in the middle of the left inner wall of the door frame 2, and the locking groove 11 is installed in cooperation with the locking strip 101. After the electromagnetic shielding door is installed, the handle in front of the door can be pulled to open the shielding door 3. When the door is opened, the angle between the first connecting rod 13 and the second connecting rod 14 becomes larger. Since the second connecting rod 14 is fixedly connected to the rotating shaft at the upper end of the gear 17, the gear 17 is forced to rotate, and the gear 17 rotates to drive the rack 18 to move right, and the rack 18 drives the hollow slider 16 to move right, thereby squeezing the spring first 15. When someone enters the shielding room, the shielding door 3 loses the effect of external force, and the spring first 15 rebounds, pushing the hollow slider 16 to slide in the opposite direction, and the rack 18 drives the gear 17 to rotate in the opposite direction, pushing the angle between the first connecting rod 13 and the second connecting rod 14 to become smaller. The automatic door closing function ensures that the shielding door is always tightly closed to ensure the shielding effect.

[0031] The locking mechanism 10 is arranged at the middle of the left rear end of the shielding door 3. The locking mechanism 10 comprises a locking strip 101, a pressing block 102, a rotating shaft 104, an avoidance groove 105, a fixing pin 106, a first connecting block 107 and a mounting seat 108. The rear end of the mounting seat 108 is fixedly connected to the middle of the left rear end of the shielding door 3. The middle of the upper end of the mounting seat 108 is provided with an avoidance groove 105. The rotating shaft 104 is rotatably connected in the avoidance groove 105. A socket is provided on the front side of the rotating shaft 104. The outer surface of the rotating shaft 104 is fixedly connected to the left side of the locking strip 101. Two guide posts are fixedly connected to the front side of the pressing block 102. The front ends of the guide posts are fixedly connected to the rear side of the first connecting block 107. A fixing pin 106 is provided in the middle of the upper end of the first connecting block 107. 106 is installed in conjunction with the socket, and the locking mechanism 10 also includes a second spring 103. The outside of the guide column is respectively sleeved with a second spring 103, and the second spring 103 is located between the front end of the pressing block 102 and the rear side of the mounting seat 108. When the shielding room door is closed, the pressing block 102 can be pressed down, and the pressing block 102 will squeeze the second spring 103. At the same time, the guide columns on the left and right sides of the mounting seat 108 move downward, driving the first connecting block 107 to move downward, and the first connecting block 107 moves downward to drive the fixing pin 106 to move downward until the first connecting block 107 moves downward and disengages from the socket. At this time, the locking strip 101 is moved to the left into the locking groove 11 to release the pressing block 102. The second spring 103 rebounds and drives the fixing pin 106 to be inserted into the socket, and the shielding door is locked. The shielding door is provided with a self-locking mechanism for easier use.

[0032] The working principle of the electromagnetic shielding door which is easy to disassemble and install provided by the utility model is as follows:

[0033] When the construction of the electromagnetic shielding room is completed, first install the installation frame 1 in the reserved opening of the electromagnetic shielding door. After the installation is completed, align the T-shaped plug 8 on the door frame 2 with the T-shaped slot 7 on the installation frame 1 and insert the door frame 2 into the installation frame 1. After completion, rotate the limit block 5 to a horizontal state, move the fixing ring 9 to the outside relative to the center of the door frame 2 so that it passes through the limit block 5, and then turn all the limit blocks 5 to a vertical state. If the electromagnetic shielding door needs to be removed, just repeat the above steps in the opposite way. After the electromagnetic shielding door is installed, you can pull the handle in front of the door to open the shielding door 3. While opening the door, the angle between the connecting rod 13 and the connecting rod 2 14 becomes larger. Since the connecting rod 2 14 is fixedly connected to the rotating shaft at the upper end of the gear 17, the gear 17 is forced to rotate, and the gear 17 rotates the transmission rack 18 to move right, and the rack 18 drives the air The hollow slider 16 moves to the right, thereby squeezing the spring 15. When someone enters the shielding room, the shielding door 3 loses the effect of external force, and the spring 15 rebounds, pushing the hollow slider 16 to slide in the opposite direction. The rack 18 drives the gear 17 to rotate in the opposite direction, pushing the angle between the connecting rod 13 and the connecting rod 2 14 to become smaller, and the door is slowly closed. When the shielding room door is closed, the pressing block 102 can be pressed down, and the pressing block 102 will squeeze the spring 2 103. At the same time, the guide columns on the left and right sides of the mounting seat 108 move downward to drive the first connecting block 107 to move downward. The first connecting block 107 moves downward to drive the fixing pin 106 to move downward until the first connecting block 107 moves downward and disengages from the socket. At this time, the locking strip 101 is moved to the left into the locking groove 11 to release the pressing block 102. The spring 2 103 rebounds and drives the fixing pin 106 to insert into the socket, and the shielding door is locked.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An electromagnetic shielding door that is easy to disassemble and install, characterized in that: It comprises a mounting frame (1), a door frame (2) and a locking mechanism (10); The mounting frame (1) is provided with symmetrically distributed T-shaped slots (7) at both ends, and the rear side of the mounting frame (1) is fixedly connected with evenly distributed mounting plates, and the rear ends of the mounting plates are rotatably connected with limit blocks (5); Door frame (2): symmetrical T-shaped plug blocks (8) are fixedly connected at both upper and lower ends thereof, the T-shaped plug blocks (8) are plugged into the T-shaped slots (7) adjacent to the rear side, the left end of the door frame (2) is hingedly connected to the shielding door (3) via a hinge, the rear side surface of the door frame (2) is fixedly connected to evenly distributed rotating tables (6), the front ends of the rotating tables (6) are rotatably connected to fixing rings (9), and the fixing rings (9) are installed in coordination with the limit blocks (5) adjacent to the rear side; A locking mechanism (10) is arranged at the middle of the left rear end of the shielding door (3).

2. The electromagnetic shielding door that is easy to disassemble and install according to claim 1, characterized in that: The locking mechanism (10) comprises a locking strip (101), a pressing block (102), a rotating shaft (104), an avoidance groove (105), a fixing pin (106), a first connecting block (107) and a mounting seat (108); the rear end of the mounting seat (108) is fixedly connected to the middle of the left rear end of the shielding door (3); the middle of the upper end of the mounting seat (108) is provided with an avoidance groove (105); the rotating shaft (104) is rotatably connected in the avoidance groove (105); a socket is provided on the front side of the rotating shaft (104); the outer surface of the rotating shaft (104) is fixedly connected to the left side surface of the locking strip (101); two guide columns are fixedly connected to the front side of the pressing block (102); the front ends of the guide columns are fixedly connected to the rear side surface of the first connecting block (107); a fixing pin (106) is provided on the middle of the upper end of the first connecting block (107); the fixing pin (106) is installed in cooperation with the socket.

3. The electromagnetic shielding door that is easy to disassemble and install according to claim 2, characterized in that: The locking mechanism (10) further comprises a second spring (103), and the second spring (103) is respectively sleeved on the outside of the guide column, and the second spring (103) is located between the front end of the pressing block (102) and the rear side of the mounting seat (108).

4. The electromagnetic shielding door that is easy to disassemble and install according to claim 1, characterized in that: The upper end of the rear side surface of the shielding door (3) is provided with a mounting groove (19), the interior of the mounting groove (19) is slidably connected with a hollow slider (16), a spring (15) is provided between the left end of the hollow slider (16) and the left side wall of the mounting groove (19), the right end of the mounting groove (19) is rotatably connected to a gear (17) via a rotating shaft, a rack (18) is provided on the inner wall of the rear side of the hollow slider (16), the gear (17) is meshingly connected with the rack (18), and the upper end of the rotating shaft passes through the top wall of the mounting groove (19).

5. The electromagnetic shielding door that is easy to disassemble and install according to claim 4, characterized in that: A second connecting block (12) is fixedly mounted on the top wall of the door frame (2); the lower end of the second connecting block (12) is rotatably connected to a connecting rod (13) via a pin; the left end of the connecting rod (13) is rotatably connected to a connecting rod (14) via a pin; the left end of the connecting rod (14) is fixedly connected to the upper end of the rotating shaft.

6. The electromagnetic shielding door that is easy to disassemble and install according to claim 1, characterized in that: I-shaped fixing blocks (4) are provided at both upper and lower ends of the left and right side surfaces of the installation frame (1).

7. The electromagnetic shielding door that is easy to disassemble and install according to claim 2, characterized in that: A locking groove (11) is provided in the middle of the left inner wall of the door frame (2), and the locking groove (11) is mounted in cooperation with the locking strip (101).

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