Door opening and closing mechanism of radiation protection shielding door

Abstract

The utility model relates to the field of radiation protection equipment, and discloses a radiation protection shielding door opening and closing mechanism which comprises a left wall, a door top plate is fixedly connected to the top of the left side wall of the left wall, a right wall is fixedly connected to the left side wall of the door top plate, and opening and closing mechanisms are arranged in the door top plate and the left wall. The switch mechanism comprises a supporting plate, a motor, a fixing plate and a limiting box. According to the utility model, through the arrangement of the switch mechanism, the problems that the radiation protection effect is influenced and the risk of radiation leakage is increased due to the fact that the convenience and efficiency of operation are influenced and the door is not closed or opened correctly can be solved, and the rack and the fixed plate are driven to slide in the door top plate, the left wall and the right wall, so that the radiation protection effect is improved. Therefore, it is effectively guaranteed that the door is completely sealed when closed, the door can be rapidly and accurately opened or closed when needed, and the risk of radiation leakage is reduced to the maximum extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of radiation protection equipment, especially relates to radiation protection shielding door door opening and closing mechanism. BACKGROUND

[0002] Radiation protection shielding door is important equipment for controlling radiation leakage in radioactive environment. These doors are usually used in radiotherapy and diagnostic areas of hospitals, nuclear power stations, laboratories and other places that need radiation protection, and the main function of the radiation protection door is to effectively prevent radiation leakage. The door body and door frame are usually made of special lead or lead glass materials, which can effectively absorb and block radioactive particles to protect the personnel and environment behind from radiation hazards.

[0003] When manually operating the radiation protection door to open and close, the labor intensity of the user may be increased, especially if the door is heavy or needs to be frequently opened and closed, which may affect the convenience and efficiency of operation, causing the door to be incorrectly closed or opened, thereby affecting the radiation protection effect and increasing the risk of radiation leakage. When closing the shielding door, most devices will seal the door after closing by corresponding to the sealing strip on the wall, so that the bottom of the door may lack a sealing device, allowing radiation to flow out through the bottom, causing radiation to escape through the small door gap, affecting the sanitary conditions of the environment, and even possibly causing pollution or cross-infection risks, affecting the safety and health of the workplace. SUMMARY

[0004] The main purpose of the utility model is to provide a radiation protection shielding door door opening and closing mechanism, which can effectively solve the problem of affecting the convenience and efficiency of operation, causing the door to be incorrectly closed or opened, thereby affecting the radiation protection effect and increasing the risk of radiation leakage, and affecting the sanitary conditions of the environment, and even possibly causing pollution or cross-infection risks, affecting the safety and health of the workplace.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a radiation protection shielding door door opening and closing mechanism, comprising a left wall, a door top plate is fixedly connected to the top of the left side wall of the left wall, a right wall is fixedly connected to the left side wall of the door top plate, and an opening and closing mechanism is arranged inside the door top plate and the left wall.

[0006] The switch mechanism comprises a support plate, a motor, a fixed plate and a limiting box, the rear side wall of the support plate is fixedly connected to the inner rear side wall of the door top plate, the bottom of the motor is fixedly connected to the upper side wall of the support plate, the output end of the motor is fixedly connected with a rotating shaft, the front end of the rotating shaft is fixedly connected with a gear, the front side wall of the support plate is fixedly connected with a guide rail, the guide rail is fixedly connected to the inner part of the left wall and the door top plate, the front side wall of the guide rail is provided with the fixed plate, the upper side wall of the fixed plate is fixedly connected with a rack, the rotating shaft is engaged with the rack, the inner part of the fixed plate is fixedly connected with a first connecting rod, the left end of the first connecting rod is fixedly connected with a first hinged frame, the inner part of the first hinged frame is rotatably connected with a first supporting rod, the top rear side of the first supporting rod is rotatably connected with a second supporting rod, the bottom of the second supporting rod is rotatably connected with a shielding door, the bottom of the first supporting rod is rotatably connected with a connecting shaft, the front end of the connecting shaft is fixedly connected with a first sliding block, the outer side of the first sliding block is slidably connected to the inner part of the limiting box, and the front side wall of the limiting box is fixedly connected to the inner front side wall of the left wall.

[0007] Further, the inner part of the guide rail is slidably connected with a slide, the bottom of the slide is fixedly connected to the top wall of the shielding door, the shielding door is arranged in the inner part of the left wall, the bottom of the door top plate is fixedly connected with a partition plate on the front and rear sides, the right part of the shielding door is fixedly connected with a handrail on the front and rear sides, and a groove is formed in the right bottom of the left wall.

[0008] Further, the inner walls on the front and rear sides of the right wall are provided with rail grooves, the right end of the first connecting rod penetrates into the inner part of the right wall, the right end of the first connecting rod is fixedly connected with a connecting plate, the connecting plate is fixedly connected with a second sliding block on the front and rear sides, and the outer sides of the two second sliding blocks are slidably connected to the inner part of the rail grooves.

[0009] Further, the right side wall of the connecting plate is fixedly connected with a fixed block, the inner part of the fixed block is rotatably connected with a work-type frame, the right outer side of the work-type frame is rotatably connected with a second connecting rod, the inner part of the connecting frame is rotatably connected with the second connecting rod.

[0010] Further, the bottom of the second connecting rod is rotatably connected with a second hinged frame, the bottom wall of the second hinged frame is fixedly connected with a sliding plate, the upper side walls of the sliding plate are fixedly connected with sealing plates, the left sides of the sliding plate and the two sealing plates penetrate into the left side wall of the door top plate, and the left side wall of the door top plate is provided with a groove.

[0011] Further, the left sides of the sliding plate and the two sealing plates are arranged in the inner part of the limiting groove.

[0012] Further, the left side of the shielding door is arranged in the inner part of the groove.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1, the utility model discloses a switch mechanism is set up, can solve the problem of causing the convenience and efficiency of operation, causing the door not to close or open correctly, thereby the influence radiation protection effect, increase the risk of radiation leakage, through the rack and fixed plate in the inside of door top plate and left wall and right wall slide, when sliding, it will be through the left end of the first connecting rod inside the fixed plate and be connected with the first hinged frame, the first support rod on the first hinged frame drives the second support rod and the shielding door to be connected, and the shielding door is slid in the inside and the outside of the left wall to reach the effect of opening and closing, when the shielding door slides into the recess on the left side of the door top plate, the gap is sealed to prevent the radiation in the room from flowing into the outside, thereby effectively improving the complete sealing of the door when closing, and when needed, can be quickly and accurately opened or closed, to minimize the risk of radiation leakage.

[0015] 2, through the setting connecting rod, sliding block, work type frame, support rod, sliding plate and sealing plate, can solve the problem of causing the sanitary condition of the environment, even possibly causing the risk of pollution or cross infection, affecting the safety and health of the working place, when the first connecting rod slides to the left and closes the shielding door, the connecting plate on the left end of the first connecting rod will drive the front and rear second sliding blocks to slide in the rail groove on the inner wall of the door top plate, to provide the effect of stable sliding of the device, when sliding, the work type frame on the outside of the fixed block on the front side wall is connected with the second connecting rod, and drives the second connecting rod to slide in the inside of the door top plate, when sliding, the middle part of the second connecting rod rotates in the inside of the connecting frame, to change the motion trajectory, to be connected with the second hinged frame at the bottom, and through the second hinged frame, the bottom sliding plate is slid in the inside and the outside of the door top plate, when sliding into the limiting groove on the right side bottom of the left wall, the sliding plate and the sealing plate are limited, to prevent excessive sliding from causing damage to the device, thereby effectively improving the guarantee that the door always maintains an effective protection state during operation, ensuring the safety and compliance of the equipment operation.

[0016] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the stereogram of the radiation protection shielding door opening and closing mechanism of the utility model;

[0018] Figure 2 It is the internal section structure diagram of the radiation protection shielding door opening and closing mechanism of the utility model;

[0019] Figure 3 This is a structural diagram of the opening and closing mechanism of the radiation protection shielding door proposed in the present invention;

[0020] Figure 4 This is a structural diagram of the support plate of the radiation protection shielding door opening and closing mechanism proposed in the present utility model;

[0021] Figure 5 This is a diagram of the rack structure of the radiation protection shielding door opening and closing mechanism proposed in the present utility model;

[0022] Figure 6 This is a diagram of the rail groove structure of the radiation protection shielding door opening and closing mechanism proposed in the present utility model;

[0023] Figure 7 This is a schematic diagram of the connecting frame of the radiation protection shielding door opening and closing mechanism proposed in the present invention;

[0024] Figure 8 This is a structural diagram of the sealing plate of the radiation protection shielding door opening and closing mechanism proposed in the present utility model;

[0025] Figure 9 This is a rear perspective structural diagram of the radiation protection shielding door opening and closing mechanism proposed in the present invention.

[0026] Legend:

[0027] 1. Left wall; 2. Right wall; 3. Door top plate; 4. Switch mechanism; 401. Support plate; 402. Motor; 403. Rotating shaft; 404. Gear; 405. Fixed plate; 406. Rack; 407. First connecting rod; 408. First articulated frame; 409. First support rod; 410. Second support rod; 411. Connecting shaft; 412. First slider; 413. Limit box; 5. Guide rail; 6. Slide; 7. Shield door; 8. Partition; 9. Handrail; 10. Rail groove; 11. Connecting plate; 12. Second slider; 13. Fixed block; 14. I-frame; 15. Second connecting rod; 16. Connecting frame; 17. Second articulated frame; 18. Slide plate; 19. Sealing plate; 20. Limit groove; 21. Recess. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0029] like Figure 1 - Figure 5 As shown: The radiation protection shielding door opening and closing mechanism includes a left wall 1, a door top plate 3 is fixedly connected to the top of the left side wall of the left wall 1, the left side wall of the door top plate 3 is fixedly connected to the right wall 2, and a switch mechanism 4 is provided inside the door top plate 3 and the left wall 1;

[0030] The switch mechanism 4 includes: a support plate 401, a motor 402, a fixing plate 405 and a limit box 413. The rear side wall of the support plate 401 is fixedly connected to the inner rear side wall of the door top plate 3. The bottom of the motor 402 is fixedly connected to the upper side wall of the support plate 401. The motor 402 is fixed to the inside of the door top plate 3 by the support plate 401 to support the motor 402. The output end of the motor 402 is fixedly connected to the rotating shaft 403. The front end of the rotating shaft 403 is fixedly connected to the gear 404. The gear 404 is driven to rotate by the rotating shaft 403 on the output end of the motor 402. The front end of the support plate 401 The side wall is fixedly connected with a guide rail 5, and the guide rail 5 is provided to improve the stability of the shielding door 7 when sliding. The guide rail 5 is fixedly connected to the inside of the left wall 1 and the door top plate 3. The fixed plate 405 is provided on the front side wall of the guide rail 5. The upper side wall of the fixed plate 405 is fixedly connected with a rack 406. The rotating shaft 403 is engaged with the rack 406. The gear 404 is engaged with the rack 406 to drive the rack 406 and the fixed plate 405 to slide inside the left wall 1, the door top plate 3 and the right wall 2. The inside of the fixed plate 405 is fixedly connected with a first connecting rod 407. The left end of the first connecting rod 407 is fixedly connected to the first hinge frame 408, and the internal rotation of the first hinge frame 408 is connected to the first support rod 409. The first connecting rod 407 drives the first hinge frame 408 to slide left and right, and the first support rod 409 is driven to slide by the first hinge frame 408. The top rear side of the first support rod 409 is rotated and connected to the second support rod 410. The bottom of the second support rod 410 is rotated and connected to the shield door 7. The top of the sliding first support rod 409 is connected to the second support rod 410 and driven by the second support rod 410. The shielding door 7 slides inside and outside the left wall 1 to drive the shielding door 7 to open and close. The bottom of the first support rod 409 is rotatably connected to the connecting shaft 411, and the front end of the connecting shaft 411 is fixedly connected to the first slider 412. The outer side of the first slider 412 is slidably connected to the inside of the limit box 413, and the front side wall of the limit box 413 is fixedly connected to the inner front side wall of the left wall 1. When the second support rod 410 slides, the first slider 412 on the connecting shaft 411 at the bottom will slide inside the limit box 413 on the inner front side wall of the left wall 1 to limit the sliding shielding door 7.

[0031] like Figure 1 - Figure 8As shown, the inside of the guide rail 5 is slidably connected with the slide 6, the bottom of the slide 6 is fixedly connected with the top of the shielding door 7, the slide 6 on the top of the shielding door 7 slides in the inside of the guide rail 5 to provide a stable effect for the shielding door 7 during sliding, the shielding door 7 is arranged in the inside of the left wall 1, the bottom of the door top plate 3 is fixedly connected with the baffle 8 on the front and back sides, the baffle 8 is arranged to protect the top of the front and back sides of the shielding door 7, the right side of the shielding door 7 is fixedly connected with the handrail 9 on the front and back sides, the handrail 9 is arranged so that the operator can pull the handrail 9 to drive the shielding door 7 to open and close when power failure occurs, the recess 21 is arranged on the right bottom of the left wall 1, the recess 21 is arranged to correspond to the shielding door 7, and the gap on the right side of the shielding door 7 is sealed after the right side of the shielding door 7 slides into the inside of the recess 21.

[0032] As shown in the figure, Figure 1 - Figure 8 As shown, the inside of the guide rail 5 is slidably connected with the slide 6, the bottom of the slide 6 is fixedly connected with the top of the shielding door 7, the slide 6 on the top of the shielding door 7 slides in the inside of the guide rail 5 to provide a stable effect for the shielding door 7 during sliding, the shielding door 7 is arranged in the inside of the left wall 1, the bottom of the door top plate 3 is fixedly connected with the baffle 8 on the front and back sides, the baffle 8 is arranged to protect the top of the front and back sides of the shielding door 7, the right side of the shielding door 7 is fixedly connected with the handrail 9 on the front and back sides, the handrail 9 is arranged so that the operator can pull the handrail 9 to drive the shielding door 7 to open and close when power failure occurs, the recess 21 is arranged on the right bottom of the left wall 1, the recess 21 is arranged to correspond to the shielding door 7, and the gap on the right side of the shielding door 7 is sealed after the right side of the shielding door 7 slides into the inside of the recess 21.

[0033] As shown in the figure, Figure 1 - Figure 9As shown, the bottom of the second connecting rod 15 is rotatably connected with a second hinged frame 17, the bottom of the second hinged frame 17 is fixedly connected with a sliding plate 18, the second hinged frame 17 at the bottom of the second connecting rod 15 is connected with the sliding plate 18, and drives the sliding plate 18 to slide in the inside and outside of the right wall 2, the upper side walls of the sliding plate 18 are fixedly connected with sealing plates 19, the sealing plates 19 are arranged to seal the front and rear sides of the bottom of the shielding door 7, the left sides of the sliding plate 18 and the two sealing plates 19 are connected in the left side wall of the door top plate 3, the left side wall of the door top plate 3 is provided with a groove 21, the left sides of the sliding plate 18 and the two sealing plates 19 are arranged in the inside of the limiting groove 20, after the sliding plate 18 and the sealing plates 19 slide to the left, they will enter the inside of the limiting groove 20 at the bottom of the left wall 1 to be limited, and the left side of the shielding door 7 is arranged in the inside of the groove 21.

[0034] According to the upper part, when the rotating shaft 403 drives the fixed plate 405 and the rack 406 to slide, the first connecting rod 407 drives the left end device to close the shielding door 7, and simultaneously the right end of the first connecting rod 407 drives the device in the inside of the door top plate 3 to slide to the left, so that when the shielding door 7 is closed, the right side device simultaneously slides to seal the bottom of the shielding door 7 and the gap, and when opened, the left end of the first connecting rod 407 drives the left side device to slide to the left, and the device on the right end simultaneously slides to the right, so that the synchronous operation and linkage effect are achieved.

[0035] It should be noted that the utility model discloses a radiation protection shielding door opening and closing mechanism, first, the motor 402 is connected with the outside power supply, control end and inductor to supply power to the device, and when the staff is sensed to enter and exit, the rotating shaft 403 on the output end of the motor 402 drives the gear 404 to rotate, the rotating gear 404 is engaged with the rack 406 on the upper side wall of the fixed plate 405, and drives the rack 406 and the fixed plate 405 to slide in the inside of the door top plate 3, the left wall 1 and the right wall 2, when sliding, the left end of the first connecting rod 407 in the inside of the fixed plate 405 is connected with the first hinged frame 408, the first supporting rod 409 on the first hinged frame 408 drives the second supporting rod 410 to be connected with the shielding door 7, and drives the shielding door 7 to slide in the inside and outside of the left wall 1 to achieve the effect of opening and closing, when the shielding door 7 slides into the groove 21 on the left side of the door top plate 3, the gap is sealed to prevent the indoor radiation from flowing into the outside, when sliding, the sliding way 6 on the top wall of the shielding door 7 slides in the inside of the guide rail 5 to provide stable sliding effect for the shielding door 7 when sliding, the connecting shaft 411 at the bottom of the first supporting rod 409 is connected with the first sliding block 412, and drives the first sliding block 412 to slide in the inside of the limiting box 413 to limit the shielding door 7.

[0036] When the shielding door 7 is closed by sliding leftward through the first connecting rod 407, the connecting plate 11 on the left end of the first connecting rod 407 drives the front and rear second sliding blocks 12 to slide in the rail slot 10 on the inner wall of the door top plate 3, thereby providing a stable sliding effect for the device. When sliding, the I-shaped frame 14 on the outer side of the fixed block 13 on the front side wall of the connecting plate 11 is connected with the second connecting rod 15, and the second connecting rod 15 is driven to slide in the door top plate 3. When sliding, the middle part of the second connecting rod 15 rotates in the connecting frame 16, thereby changing the movement track and being connected with the second hinged frame 17 at the bottom, and the second hinged frame 17 drives the sliding plate 18 at the bottom to slide in the door top plate 3 and outside. When sliding into the limiting slot 20 on the right side of the bottom of the left wall 1, the sliding plate 18 and the sealing plate 19 are limited, thereby preventing excessive sliding from causing damage to the device, and after sliding, the sealing plate 19 is arranged in front of and behind the shielding door 7, thereby preventing radiation from flowing out through the bottom of the shielding door 7 and small gaps, so as to achieve a linkage effect.

[0037] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A radiation protection shielding door switch door mechanism, comprising a left wall (1), characterized in that: The left side wall top of the left wall (1) is fixedly connected with a door top plate (3), the left side wall of the door top plate (3) is fixedly connected with the right wall (2), and the inside of the door top plate (3) and the left wall (1) is provided with a switching mechanism (4); The switching mechanism (4) comprises a supporting plate (401), a motor (402), a fixed plate (405) and a limiting box (413), the rear side wall of the supporting plate (401) is fixedly connected with the inside rear side wall of the door top plate (3), the bottom of the motor (402) is fixedly connected with the upper side wall of the supporting plate (401), the output end of the motor (402) is fixedly connected with a rotating shaft (403), the front end of the rotating shaft (403) is fixedly connected with a gear (404), the front side wall of the supporting plate (401) is fixedly connected with a guide rail (5), the guide rail (5) is fixedly connected with the inside of the left wall (1) and the door top plate (3), the front side wall of the guide rail (5) is provided with the fixed plate (405), the upper side wall of the fixed plate (405) is fixedly connected with a rack (406), the rotating shaft (403) is engaged with the rack (406), the inside of the fixed plate (405) is fixedly connected with a first connecting rod (407), the left end of the first connecting rod (407) is fixedly connected with a first hinged frame (408), the inside of the first hinged frame (408) is rotatably connected with a first supporting rod (409), the top rear side of the first supporting rod (409) is rotatably connected with a second supporting rod (410), the bottom of the second supporting rod (410) is rotatably connected with a shielding door (7), the bottom of the first supporting rod (409) is rotatably connected with a connecting shaft (411), the front end of the connecting shaft (411) is fixedly connected with a first sliding block (412), the outside of the first sliding block (412) is slidably connected with the inside of the limiting box (413), and the front side wall of the limiting box (413) is fixedly connected with the inside front side wall of the left wall (1).

2. A radiation shield door switch door mechanism according to claim 1, characterized in that: The inside of the guide rail (5) is slidably connected with a slide (6), the bottom of the slide (6) is fixedly connected with the top wall of the shielding door (7), the shielding door (7) is arranged in the inside of the left wall (1), the bottom of the door top plate (3) is fixedly connected with a partition plate (8) on the front and back sides, the right part of the shielding door (7) is fixedly connected with a handrail (9) on the front and back sides, and the right side bottom of the left wall (1) is provided with a groove (21).

3. The radiation shield door switch door mechanism of claim 1, wherein: The inside walls on the front and back sides of the right wall (2) are provided with rail grooves (10), the right end of the first connecting rod (407) penetrates and is connected with the inside of the right wall (2), the right end of the first connecting rod (407) is fixedly connected with a connecting plate (11), the front and back sides of the connecting plate (11) are fixedly connected with second sliding blocks (12), and the outside of the two second sliding blocks (12) is slidably connected with the inside of the rail grooves (10).

4. A radiation shield door switch door mechanism according to claim 3, characterized in that: The right side wall of the connecting plate (11) is fixedly connected with a fixed block (13), the inside of the fixed block (13) is rotatably connected with a work-shaped frame (14), the right side outside of the work-shaped frame (14) is rotatably connected with a second connecting rod (15), the inside of the right wall (2) is fixedly connected with a connecting frame (16), and the middle of the second connecting rod (15) is rotatably connected in the inside of the connecting frame (16).

5. A radiation shield door switch door mechanism according to claim 4, characterized in that: The bottom of the second connecting rod (15) is rotatably connected with a second hinged frame (17), the bottom wall of the second hinged frame (17) is fixedly connected with a sliding plate (18), the upper side walls of the sliding plate (18) are all fixedly connected with sealing plates (19), the left sides of the sliding plate (18) and the two sealing plates (19) are connected in the left side wall of the door top plate (3), and the left side wall of the door top plate (3) is provided with a recess (21).

6. A radiation shield door switch door mechanism according to claim 5, wherein: The left sides of the sliding plate (18) and the two sealing plates (19) are arranged in the inside of the limiting groove (20).

7. The radiation shield door switch door mechanism of claim 2, wherein: The left side of the shielding door (7) is arranged in the inside of the recess (21).

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