Shield door locking structure

Abstract

The utility model discloses a shielding door locking structure which comprises a door frame, a shielding door is arranged in the door frame, rotating shafts are fixedly arranged at the upper end and the lower end of the shielding door, the rotating shafts and the inner wall of the door frame are rotationally installed, and the upper ends of the rotating shafts penetrate through the door frame and are fixedly provided with first gears. A rack is arranged on one side of the first gear and located on the upper end face of the door frame, a motor is arranged on the upper end face of the rack, a second gear is arranged at the output end of the motor, and the first gear and the second gear are installed in a meshed mode, so that a user can control the motor to enable the second gear to drive the first gear and the rotating shaft to rotate; according to the shielding door opening and closing device, the shielding door is rotated to achieve the opening and closing functions of the shielding door, the shielding door can be buffered and positioned when being closed by arranging the limiting block and the buffering pad, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of shielding door locking, and more specifically, to a shielding door locking structure. Background Art

[0002] Shielding doors are devices used for electromagnetic wave shielding. They can block the propagation of electromagnetic waves and play a role of shielding and isolation. Shielding doors are usually made of metal materials, such as steel plates, aluminum plates, etc., with good conductivity and shielding performance, protecting the safety of equipment, personnel and the environment. Most traditional shielding doors are relatively bulky and require manual closing and opening, which makes them time-consuming and laborious to use and inconvenient to use; and most of them only have one locking structure, which is relatively simple and single, affecting the safety and stability of the device. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the problems existing in the prior art, the utility model provides a shielding door locking structure to solve the technical problem mentioned in the background technology that most of the traditional shielding doors are relatively bulky and need to be closed and opened manually, resulting in time-consuming and labor-intensive use and inconvenience in use.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shielding door locking structure, comprising a door frame, a shielding door is arranged inside the door frame, a rotating shaft is fixedly arranged at both upper and lower ends of the shielding door, the rotating shaft is rotatably mounted with the inner wall of the door frame, the upper end of the rotating shaft passes through the door frame and is fixedly provided with a first gear, a frame is arranged on one side of the first gear and located on the upper end surface of the door frame, a motor is arranged on the upper end surface of the frame, a second gear is arranged at the output end of the motor, the first gear and the second gear are meshingly installed, slots are opened on the inner wall of the door frame and located on the upper and lower sides, electromagnets are fixedly arranged inside the slots, control boxes are correspondingly arranged at the outer ends of the electromagnets and located on the outer wall of the door frame, and the control box is electrically connected to the electromagnet.

[0007] The utility model is further configured that storage holes are opened on the outer wall of the shielding door and on the upper and lower sides, and magnetic blocks are slidably provided inside the storage holes. The magnetic blocks are located inside the slots and contact with the electromagnets, so as to facilitate the preliminary locking of the shielding door.

[0008] The utility model is further configured such that a tension spring is fixedly provided on the other side of the magnetic block, and the other end of the tension spring is fixedly connected to the inner wall of the storage hole. The tension springs are provided in two groups and are symmetrically arranged up and down, so as to facilitate pulling back the magnetic block when the power is off.

[0009] The utility model is further configured as follows: a strip block is fixedly provided on the outer wall of the shielding door, a T-shaped slot is provided inside the strip block, a T-shaped block is slidably provided inside the T-shaped slot, plug rods are fixedly provided on the outer wall of the T-shaped block and on both the upper and lower sides, a fixed block is provided on the outer wall of the door frame and on one side of the strip block, a socket is correspondingly provided on the fixed block, and the plug rod is located inside the socket, so as to facilitate secondary locking of the shielding door.

[0010] The utility model is further configured as follows: a screw is provided for internal rotation of the T-slot, the screw is threadedly connected to the T-block, a shell is provided on the other side of the strip block and located on the outer wall of the shielding door, a connecting shaft is provided for internal rotation of the shell, bevel gears are provided at one end of the connecting shaft and the screw, the two bevel gears are meshingly installed, and a hand wheel is fixedly provided on the upper end of the connecting shaft to facilitate the rotation of the screw.

[0011] The utility model is further configured that a limiting groove is provided on the outer wall of the door frame, a limiting block is provided on the outer wall of the shielding door, and the limiting block is located inside the limiting groove to facilitate positioning of the shielding door.

[0012] The utility model is further configured that a buffer pad is fixedly provided on the bottom of the limiting block, and the buffer pad contacts the inner wall of the limiting groove, so as to facilitate buffering of the shielding door during the closing process.

[0013] The utility model is further configured that an observation window is provided at the upper end of the shielding door to facilitate viewing of indoor conditions.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a shielding door locking structure, which has the following beneficial effects:

[0016] 1. By setting a door frame, a shielding door, a rotating shaft, a first gear, a frame, a motor and a second gear, the user can control the motor to make the second gear drive the first gear and the rotating shaft to rotate, so as to rotate the shielding door to realize the function of opening and closing it, and by setting a limit block and a buffer pad, the shielding door can be buffered and positioned when closing, which is convenient for use.

[0017] 2. By setting the slot, electromagnet, control box, storage hole, magnetic block and tension spring, when the shielding door is closed, the user can energize the electromagnet through the control box to suck the magnetic block into the slot, and then preliminarily lock the shielding door.

[0018] 3. By arranging a strip block, a T-slot, a T-block, a plug rod, a fixed block, a socket, a lead screw, a housing, a connecting shaft, a bevel gear and a hand wheel, the user can rotate the hand wheel to drive the lead screw to rotate. At this time, the lead screw will drive the T-block to slide inside the T-slot, so that the plug rod on the outer wall of the T-block enters the socket on the fixed block, and then the shielding door and the door frame are locked for a second time, so that the device is safer and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an overall schematic diagram of a shield door locking structure in an unused state;

[0020] Figure 2 It is the installation cross-sectional view of the door frame, shield door, electromagnet, control box and magnetic block;

[0021] Figure 3 for Figure 2 A partial schematic diagram of the middle A area;

[0022] Figure 4 The exploded view of the installation of the bar block, T-block, plug rod, socket, lead screw, housing, connecting shaft, bevel gear and hand wheel;

[0023] Figure 5 Schematic diagram of the position of the rotating shaft, limit block and buffer pad on the shield door.

[0024] In the figure: 1. door frame; 2. shielding door; 3. rotating shaft; 4. first gear; 5. frame; 6. motor; 7. second gear; 8. slot; 9. electromagnet; 10. control box; 11. storage hole; 12. magnetic block; 13. tension spring; 14. strip block; 15. T-slot; 16. T-block; 17. plug rod; 18. fixing block; 19. socket; 20. lead screw; 21. housing; 22. connecting shaft; 23. bevel gear; 24. hand wheel; 25. limit slot; 26. limit block; 27. buffer pad; 28. observation window. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5 A shielding door locking structure comprises a door frame 1, a shielding door 2 is arranged inside the door frame 1, a rotating shaft 3 is fixedly arranged at the upper and lower ends of the shielding door 2, the rotating shaft 3 is rotatably installed with the inner wall of the door frame 1, the upper end of the rotating shaft 3 passes through the door frame 1 and is fixedly provided with a first gear 4, a frame 5 is arranged on one side of the first gear 4 and located on the upper end surface of the door frame 1, a motor 6 is arranged on the upper end surface of the frame 5, a second gear 7 is arranged at the output end of the motor 6, the first gear 4 and the second gear 7 are meshingly installed, slots 8 are opened on the inner wall of the door frame 1 and located on the upper and lower sides, electromagnets 9 are fixedly arranged inside the slots 8, control boxes 10 are correspondingly arranged at the outer ends of the electromagnets 9 and located on the outer wall of the door frame 1, the control box 10 is electrically connected to the electromagnet 9, and an observation window 28 is arranged at the upper end of the shielding door 2.

[0029] In this embodiment, storage holes 11 are opened on the outer wall of the shielding door 2 and on the upper and lower sides. Magnetic blocks 12 are slidably installed inside the storage holes 11. The magnetic blocks 12 are located inside the slots 8 and in contact with the electromagnets 9. The other side of the magnetic blocks 12 is fixed with tensioning springs 13. The other ends of the tensioning springs 13 are fixedly connected to the inner wall of the storage holes 11. Two groups of tensioning springs 13 are provided and are symmetrically arranged up and down.

[0030] More specifically, the user can control the motor 6 to make the second gear 7 drive the first gear 4 and the rotating shaft 3 to rotate, so as to rotate the shielding door to realize the function of opening and closing it. When the shielding door is closed, the user can energize the electromagnet 9 through the control box 10 to suck the magnetic block 12 into the slot 8, and then preliminarily lock the shielding door.

[0031] See also Figure 1 and Figure 4As an implementation method for further locking the shielding door 2: a strip block 14 is fixedly provided on the outer wall of the shielding door 2, a T-slot 15 is provided inside the strip block 14, a T-block 16 is slidably provided inside the T-slot 15, and a plug rod 17 is fixedly provided on the outer wall of the T-block 16 and located on both upper and lower sides, a fixed block 18 is provided on the outer wall of the door frame 1 and located on one side of the strip block 14, a plug hole 19 is correspondingly provided on the fixed block 18, the plug rod 17 is located inside the plug hole 19, a lead screw 20 is rotatably provided inside the T-slot 15, and the lead screw 20 is threadedly connected to the T-block 16, a shell 21 is provided on the other side of the strip block 14 and located on the outer wall of the shielding door 2, a connecting shaft 22 is rotatably provided inside the shell 21, a bevel gear 23 is provided on one end of the connecting shaft 22 and the lead screw 20, the two bevel gears 23 are meshed and installed, and a hand wheel 24 is fixedly provided on the upper end of the connecting shaft 22.

[0032] Specifically, the user can rotate the hand wheel 24 to make the bevel gear 23 drive the lead screw 20 to rotate. At this time, the lead screw 20 will drive the T-block 16 to slide inside the T-slot 15, so that the insertion rod 17 on the outer wall of the T-block 16 enters the insertion hole 19 on the fixed block 18, thereby performing a secondary locking of the shielding door and the door frame 1.

[0033] Please refer to Figure 1 and Figure 5 As a further implementation method for buffering the shielding door 2: a limiting groove 25 is opened on the outer wall of the door frame 1, and a limiting block 26 is provided on the outer wall of the shielding door 2, the limiting block 26 is located inside the limiting groove 25, and a buffer pad 27 is fixedly provided at the bottom of the limiting block 26, and the buffer pad 27 contacts the inner wall of the limiting groove 25.

[0034] Specifically, the shielding door 2 can be limited and buffered during the closing process, thereby increasing the service life of the device.

[0035] To sum up, when the overall device is in use: the user can control the motor 6 to make the second gear 7 drive the first gear 4 and the rotating shaft 3 to rotate, so as to rotate the shielding door to realize the function of opening and closing it, and by setting the limit block 26 and the buffer pad 27, the shielding door can be buffered and positioned when closing, thereby increasing the service life of the device. When the shielding door is closed, the user can energize the electromagnet 9 through the control box 10 to suck the magnetic block 12 into the slot 8, and then preliminarily lock the shielding door, and then turn the hand wheel 24 to make the bevel gear 23 drive the screw 20 to rotate. At this time, the screw 20 will drive the T-block 16 to slide inside the T-slot 15, so that the insertion rod 17 on the outer wall of the T-block 16 enters the socket 19 on the fixed block 18, and then the shielding door and the door frame 1 are locked for a second time, so that the device is safer and more stable.

[0036] When the shielding door 2 is controlled, the second gear 7 can drive the first gear 4 and the rotating shaft 3 to rotate by controlling the motor 6, so as to rotate the shielding door to realize the function of opening and closing the shielding door.

[0037] When the shielding door is closed, the user can energize the electromagnet 9 through the control box 10 to suck the magnetic block 12 into the slot 8, and then preliminarily lock the shielding door, and then turn the hand wheel 24 to make the bevel gear 23 drive the lead screw 20 to rotate. At this time, the lead screw 20 will drive the T-block 16 to slide inside the T-slot 15, so that the insertion rod 17 on the outer wall of the T-block 16 enters the socket 19 on the fixed block 18, and then the shielding door and the door frame 1 are locked for a second time, so that the device is safer and more stable.

[0038] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A shielding door locking structure, comprising a door frame (1), characterized in that: A shielding door (2) is provided inside the door frame (1). A rotating shaft (3) is fixedly provided at both upper and lower ends of the shielding door (2). The rotating shaft (3) is rotatably mounted on the inner wall of the door frame (1). The upper end of the rotating shaft (3) passes through the door frame (1) and is fixedly provided with a first gear (4). A frame (5) is provided on one side of the first gear (4) and located on the upper end surface of the door frame (1). A motor (6) is provided on the upper end surface of the frame (5). A second gear (7) is provided at the output end of the motor (6). The first gear (4) and the second gear (7) are meshingly mounted. Slots (8) are provided on the inner wall of the door frame (1) and located on both upper and lower sides. Electromagnets (9) are fixedly provided inside the slots (8). Control boxes (10) are provided at the outer ends of the electromagnets (9) and located on the outer wall of the door frame (1). The control box (10) is electrically connected to the electromagnets (9).

2. A shielding door locking structure according to claim 1, characterized in that: The outer wall of the shielding door (2) is provided with a receiving hole (11) on both the upper and lower sides, and a magnetic block (12) is slidably provided inside the receiving hole (11). The magnetic block (12) is located inside the slot (8) and is in contact with the electromagnet (9).

3. A shielding door locking structure according to claim 2, characterized in that: A tension spring (13) is fixedly provided on the other side of the magnetic block (12), and the other end of the tension spring (13) is fixedly connected to the inner wall of the storage hole (11). Two groups of the tension springs (13) are provided and are symmetrically arranged up and down.

4. The shielding door locking structure according to claim 1, characterized in that: A strip block (14) is fixedly provided on the outer wall of the shielding door (2), a T-shaped slot (15) is provided inside the strip block (14), a T-shaped block (16) is slidably provided inside the T-shaped slot (15), an insertion rod (17) is fixedly provided on the outer wall of the T-shaped block (16) and on both upper and lower sides, a fixed block (18) is provided on the outer wall of the door frame (1) and on one side of the strip block (14), a corresponding insertion hole (19) is provided on the fixed block (18), and the insertion rod (17) is located inside the insertion hole (19).

5. A shielding door locking structure according to claim 4, characterized in that: A lead screw (20) is rotatably provided inside the T-shaped slot (15), and the lead screw (20) is threadedly connected to the T-shaped block (16). A housing (21) is provided on the other side of the bar block (14) and located on the outer wall of the shielding door (2). A connecting shaft (22) is rotatably provided inside the housing (21). A bevel gear (23) is provided at one end of the connecting shaft (22) and the lead screw (20), and the two bevel gears (23) are meshedly installed. A hand wheel (24) is fixedly provided at the upper end of the connecting shaft (22).

6. The shielding door locking structure according to claim 1, characterized in that: A limiting groove (25) is provided on the outer wall of the door frame (1), and a limiting block (26) is provided on the outer wall of the shielding door (2), wherein the limiting block (26) is located inside the limiting groove (25).

7. A shielding door locking structure according to claim 6, characterized in that: A buffer pad (27) is fixedly provided at the bottom of the limiting block (26), and the buffer pad (27) is in contact with the inner wall of the limiting groove (25).

8. The shielding door locking structure according to claim 1, characterized in that: An observation window (28) is provided at the upper end of the shielding door (2).

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