Sealing shielding door integrating electromagnetic shielding and ray protection
By integrating electromagnetic shielding and radiation protection into a sealed shielding door design, the problem of traditional protective doors being unable to shield both electromagnetic fields and radiation simultaneously is solved, improving sealing performance and stability, and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-04-03
AI Technical Summary
Existing protective doors cannot simultaneously achieve electromagnetic shielding and radiation protection, and their sealing performance is insufficient, which can easily lead to leakage, affecting their service life and stability.
Design a sealed shielding door that integrates electromagnetic shielding and radiation protection. It combines a guide rail frame with a sealed shielding door, and uses metal shielding strips and sealing strips for electromagnetic and gas shielding. The sliding door body is made of metal lead blocks and coated with waterproof paint. The electromagnetic shielding layer uses conductive metal, and the radiation protection layer uses lead plates. The door is opened and closed smoothly by driving the slide block with a servo motor, and the sealing performance is improved by using an electromagnetic door lock and sealing gaskets.
It achieves the effect of simultaneously shielding electromagnetic signals and radiation, improving sealing performance and equipment stability, and extending service life.
Smart Images

Figure CN224079007U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sealed shielding door technology, specifically a sealed shielding door that integrates electromagnetic shielding and radiation protection. Background Technology
[0002] In certain work environments, such as electronics laboratories and medical radiology rooms, it is necessary to prevent both external electromagnetic interference from affecting internal precision instruments and personnel, and internal radiation leakage from harming the surrounding environment and personnel. Traditional protective doors often only provide electromagnetic shielding or radiation protection, failing to meet both protection requirements simultaneously.
[0003] Furthermore, existing protective doors have insufficient sealing performance, which can easily lead to electromagnetic and radiation leakage, affecting the protective effect. Moreover, the structural design of traditional sliding doors is prone to wear and loosening during frequent use, reducing the service life and stability of the protective doors. Utility Model Content
[0004] The purpose of this invention is to provide a sealed shielding door that integrates electromagnetic shielding and radiation protection, in order to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A sealed shielding door integrating electromagnetic shielding and radiation protection, comprising:
[0007] A guide rail bracket, which is installed inside a doorway in a wall;
[0008] A sealed shielding door includes a door frame, which is slidably and sealingly connected to the inner wall of a guide rail frame. A sliding door body is fixedly installed on the inner wall of the door frame, and a radiation protection layer and an electromagnetic shielding layer are fixedly connected to the outer wall of the sliding door body. A recessed groove is formed around the outer perimeter of the door frame, and a metal shielding strip and a sealing strip are fixedly installed inside the recessed groove.
[0009] In a preferred embodiment of this utility model, the guide rail frame is fixedly installed on the outer wall inside the doorway, and a sliding groove is provided on the top of the guide rail frame. The left and right outer walls of the sliding groove are rotatably connected to the lead screw through bearings.
[0010] In a preferred embodiment of this utility model, a servo motor is fixedly installed on the side wall of the guide rail frame, and the outer wall of the output shaft of the servo motor is connected to the outer wall of the lead screw through gear meshing. A connecting block is fixedly installed on the top of the door frame by bolts.
[0011] In a preferred embodiment of this utility model, a slide block is fixedly installed on the top of the connecting block, and a first roller is rotatably connected to the outer wall of the bottom end on both the front and rear sides of the slide block. The first roller is slidably connected to the inner wall of the slide groove.
[0012] In a preferred embodiment of this utility model, the inner wall of the slide block is threadedly connected to the outer wall of the lead screw, a slot is provided on the outer wall of the rear end of the guide rail frame, and an insert plate is fixedly installed on the outer wall of the slide block, with the insert plate and the slot engaging and connecting.
[0013] In a preferred embodiment of this utility model, the inner walls on both the left and right sides of the guide rail frame are provided with slots, and sealing gaskets are fixedly installed on the inner walls of the slots. The outer wall of the door frame is connected to the inner wall of the slots by insertion.
[0014] In a preferred embodiment of this utility model, the door frame and the slot are connected by a sealed insertion, an electromagnetic door lock is fixedly installed on the side wall of the door frame, the door frame and the inner wall of the slot are locked by the electromagnetic door lock, a ground rail is fixedly installed at the bottom of the guide rail frame, and a second sealing gasket is fixedly installed on the inner and outer walls of the ground rail.
[0015] In a preferred embodiment of this utility model, a roller groove is provided at the top of the ground track, and a rectangular groove is provided on the outer wall of the bottom outer side of the door frame. The rectangular groove is slidably and sealed to the ground track, and a second roller is installed on the inner wall of the top of the rectangular groove. The second roller makes rolling contact with the inner wall of the roller groove.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
[0017] 1. By setting up a guide rail frame for use with a sealed shielding door, the sealing effect between the door frame and the guide rail frame can be maintained when the door is closed. By setting a metal shielding strip and a sealing strip on the outside of the sealed shielding door, the door frame and the guide rail frame can be connected by the slots when the sealed shielding door is closed, so as to achieve electromagnetic signal shielding and gas shielding.
[0018] 2. The sliding door body is made of lead, which has a shielding effect against radioactive substances. The surface of the sliding door body is coated with waterproof paint for waterproofing and decoration. The electromagnetic shielding layer is made of conductive metal materials, such as copper or aluminum. The intermediate radiation protection layer is made of lead plate or other materials with radiation protection function, which can effectively block the penetration of radiation. Attached Figure Description
[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0020] Figure 1 This is a schematic diagram of the main structure of a sealed shielding door that integrates electromagnetic shielding and radiation protection.
[0021] Figure 2 A schematic diagram of the indoor installation structure of a sealed shielded door that integrates electromagnetic shielding and radiation protection;
[0022] Figure 3 A schematic diagram of the guide rail frame structure in a sealed shielding door that integrates electromagnetic shielding and radiation protection;
[0023] Figure 4 This is a partially enlarged schematic diagram of the guide rail frame in a sealed shielding door that integrates electromagnetic shielding and radiation protection.
[0024] Figure 5 A schematic diagram of the sliding block installation structure in a sealed shielded door that integrates electromagnetic shielding and radiation protection;
[0025] Figure 6 This is a schematic diagram of the top structure of a sealed shielding door that integrates electromagnetic shielding and radiation protection.
[0026] Figure 7 This is a schematic diagram of the bottom structure of a sealed shielding door that integrates electromagnetic shielding and radiation protection.
[0027] In the diagram: wall 100, door opening 110, guide rail 200, slide 210, lead screw 220, servo motor 230, gear 231, slot 240, sealing washer 241, floor rail 250, roller groove 251, second sealing washer 252, door frame 300, electromagnetic door lock 310, metal shielding strip 320, sealing strip 330, slot 340, connecting block 350, insert plate 351, slide block 360, first roller 361, bolt 370, rectangular groove 380, second roller 381. Detailed Implementation
[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0029] Example 1: As Figure 1 - Figure 5 ,include
[0030] Guide rail bracket 200, the guide rail bracket 200 is installed inside the door opening 110 on the wall 100;
[0031] The sealed shielding door includes a door frame 300, which is slidably and sealed to the inner wall of the guide rail frame 200. The sliding door body is fixedly installed on the inner wall of the door frame 300, and the radiation protection layer and electromagnetic shielding layer are fixedly connected to the outer wall of the sliding door body. A groove is provided around the outer perimeter of the door frame 300, and a metal shielding strip 320 and a sealing strip 330 are fixedly installed inside the groove.
[0032] The specific application scenario of this embodiment is as follows: By setting the guide rail frame 200 for use with the sealed shielding door, the sealing effect between the door frame 300 and the guide rail frame 200 can be maintained when the door opening 110 is closed. By setting the metal shielding strip 320 and the sealing strip 330 on the outside of the sealed shielding door for use, the door frame 300 and the slot 240 in the guide rail frame 200 can be connected when the sealed shielding door is closed, so as to perform electromagnetic signal shielding and gas shielding. The sliding door body is made of lead metal, which has the function of shielding radioactive materials. The surface of the sliding door body is coated with waterproof paint for waterproofing and decoration. The electromagnetic shielding layer is made of conductive metal material, such as copper or aluminum. The intermediate radiation protection layer is made of lead plate or other materials with radiation protection function, which can effectively block the penetration of radiation.
[0033] Example 2: As Figures 3-5 The guide rail frame 200 is fixedly installed on the outer wall inside the door opening 110. The top of the guide rail frame 200 is provided with a slide groove 210. The left and right outer walls of the slide groove 210 are rotatably connected to the lead screw 220 through bearings. The side wall of the guide rail frame 200 is fixedly installed with a servo motor 230. The outer wall of the output shaft of the servo motor 230 is connected to the outer wall of the lead screw 220 through gear 231 meshing. The top of the door frame 300 is fixedly installed with a connecting block 350 through bolts 370. The top of the connecting block 350 is fixedly installed with a slide block 360. The bottom outer walls of the front and rear sides of the slide block 360 are rotatably connected with first rollers 361. The first rollers 361 are slidably connected to the inner wall of the slide groove 210. The inner wall of the slide block 360 is threadedly connected to the outer wall of the lead screw 220. The rear outer wall of the guide rail frame 200 is provided with a slot 340. The outer wall of the slide block 360 is fixedly installed with a plug plate 351. The plug plate 351 is plugged into the slot 340.
[0034] The specific application scenario of this embodiment is as follows: by setting the slide groove 210 for sliding connection of the slide block 360, the sealed shielding door is supported. The servo motor 230 is turned on to drive the slide block 360 to reciprocate in the slide groove 210, so that the hole and the sealed shielding door can open and close. When closing, the outer wall of the door frame 300 is inserted into the slot 240 inside the guide rail frame 200, and a sealing connection is made by the sealing gasket 241. Then, the electromagnetic door lock 310 locks the door frame 300 and the guide rail frame 200.
[0035] Example 3: As Figures 2-7 The guide rail frame 200 has slots 240 on both the left and right inner walls. Sealing gaskets 241 are fixedly installed on the inner walls of the slots 240. The outer wall of the door frame 300 is connected to the inner wall of the slots 240 by insertion. The door frame 300 and the slots 240 are connected by insertion and sealing. An electromagnetic door lock 310 is fixedly installed on the side wall of the door frame 300. The door frame 300 and the inner wall of the slots 240 are locked by the electromagnetic door lock 310. A ground rail 250 is fixedly installed at the bottom of the guide rail frame 200. A second sealing gasket 252 is fixedly installed on the inner and outer walls of the ground rail 250. A roller groove 251 is opened at the top of the ground rail 250. A rectangular groove 380 is opened on the outer bottom wall of the outer side of the door frame 300. The rectangular groove 380 is slidably sealed to the ground rail 250. A second roller 381 is installed on the inner wall of the top of the rectangular groove 380. The second roller 381 rolls in contact with the inner wall of the roller groove 251.
[0036] The specific application scenario of this embodiment is as follows: by setting an electromagnetic door lock 310 to lock the sealed shielding door and the door frame 300, by setting a sealing gasket 241 to improve the sealing effect, by setting a ground rail 250 to provide good support for the sealed shielding door during the opening and closing process, the structural stability of the sealed shielding door during movement is improved, and by setting a roller groove 251 and a second roller 381 to cooperate in rolling contact, the smoothness of the guide rail frame 200 during movement is improved. While maintaining the sealing effect, the friction of the door frame 300 during movement is reduced, thereby improving the practicality and sealing performance of the equipment.
[0037] The working principle of this utility model is as follows: When used by those skilled in the art, the guide rail frame 200 is fixedly installed on the outer wall of the wall 100 inside the door opening 110, the size of the door frame 300 is set to match the size of the door opening 110, the sliding door body is fixedly installed on the inner wall of the door frame 300, then a radiation protection layer is fixedly installed on the outer wall of the sliding door body, an electromagnetic shielding layer is fixedly installed on the outer wall of the radiation protection layer, a recessed groove is opened around the outer perimeter of the door frame 300, a metal shielding strip 320 is fixedly installed inside the recessed groove, a sealing strip 330 is fixedly installed on the outer wall of the metal shielding strip 320, and a second roller 381 is installed on the top inner wall of the rectangular groove 380 at the bottom of the door frame 300, and the bottom of the sealed shielding door is connected to the inner wall of the ground rail 250 via the second roller 381. Roller groove 251 engages in rolling contact, and connecting block 350 is fixedly installed on the outer wall of door frame 300 by bolt 370. Then, slide block 360 is fixedly installed on top of connecting block 350, so that the first roller 361 at the bottom of slide block 360 engages in sliding contact with the inside of slide groove 210. The inner wall of slide block 360 is threadedly connected to the outer wall of lead screw 220. Servo motor 230 is activated to drive slide block 360 to reciprocate in slide groove 210, thereby opening and closing the hole and the sealed shielding door. When closing, the outer wall of door frame 300 is inserted into the slot 240 inside guide rail frame 200 and sealed by sealing gasket 241. Then, electromagnetic door lock 310 locks the door frame 300 and guide rail frame 200 together.
[0038] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A sealed shielding door integrating electromagnetic shielding and radiation protection, characterized in that, Comprising A guide rail frame (200) is installed inside a door opening (110) on a wall (100); A sealing shielding door comprises a door frame (300) which is in sliding sealing connection with the inner wall of the guide rail frame (200), the inner wall of the door frame (300) is fixedly installed with a sliding door body, the outer wall of the sliding door body is fixedly connected with a radiation protection layer and an electromagnetic shielding layer, and a sunken groove is formed around the outer side of the door frame (300), and a metal shielding strip (320) and a sealing strip (330) are fixedly installed inside the sunken groove.
2. The sealed shielding door of claim 1, wherein, The guide rail frame (200) is fixedly installed on the outer wall of the inner side of the door opening (110), and a sliding groove (210) is formed in the top of the guide rail frame (200), and the outer walls on the left and right sides of the sliding groove (210) are rotatably connected with a lead screw (220) through bearings.
3. The sealed shielding door of claim 2, wherein, A servo motor (230) is fixedly installed on the side wall of the guide rail frame (200), the output shaft of the servo motor (230) is in meshing transmission connection with the outer wall of the lead screw (220) through a gear (231), and the top of the door frame (300) is fixedly installed with a connecting block (350) through bolts (370).
4. The sealed shielding door of claim 3, wherein, The top of the connecting block (350) is fixedly installed with a sliding seat (360), the bottom ends of the front and rear sides of the sliding seat (360) are rotatably connected with first rollers (361), and the first rollers (361) are in sliding connection with the inner wall of the sliding groove (210).
5. The sealed shielding door of claim 4, wherein, The inner wall of the sliding seat (360) is in threaded connection with the outer wall of the lead screw (220), the rear end of the guide rail frame (200) is provided with a slot (340), the outer wall of the sliding seat (360) is fixedly installed with a plug-in plate (351), and the plug-in plate (351) is in plug-in connection with the slot (340).
6. The sealed shielding door of claim 1, wherein, The inner walls on the left and right sides of the guide rail frame (200) are both provided with clamping grooves (240), the inner walls of the clamping grooves (240) are fixedly installed with sealing gaskets (241), and the outer wall of the door frame (300) is in plug-in connection with the inner wall of the clamping groove (240).
7. The sealed shielding door of claim 6, wherein, The door frame (300) is in plug-in sealing connection with the clamping groove (240), the side wall of the door frame (300) is fixedly installed with an electromagnetic door lock (310), the door frame (300) is locked with the inner wall of the clamping groove (240) through the electromagnetic door lock (310), and the bottom end of the guide rail frame (200) is fixedly installed with a ground rail (250), and the inner and outer walls of the ground rail (250) are fixedly installed with second sealing gaskets (252).
8. The sealed shielding door of claim 7, wherein, The top of the ground rail (250) is provided with a roller groove (251), the bottom end of the outer wall of the door frame (300) is provided with a rectangular groove (380), the rectangular groove (380) is in sliding sealing connection with the ground rail (250), the top end of the inner wall of the rectangular groove (380) is installed with a second roller (381), and the second roller (381) is in rolling contact with the inner wall of the roller groove (251).