Push-pull type medical radiation protection door

By using a motor-controlled movable door and caster track structure, combined with limit rods and buffer plates, the problem of traditional radiation protection doors being bulky and difficult to open has been solved, achieving automation and stability improvements, expanding application scenarios, and extending service life.

CN223689581UActive Publication Date: 2025-12-19WAKE SMART TECH (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202423184845.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-19
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing traditional radiation shielding doors are too heavy for patients with less strength to open independently, and they also lack automation features, making them inconvenient to use.

Method used

The motor-controlled sliding door, combined with casters and a ground track structure, reduces friction. A limit bar and a buffer plate are installed at the top of the sliding door to enhance stability. Cleaning is performed using brush strips and sponge blocks to improve sealing.

Benefits of technology

It has enabled automated operation of radiation protection doors, increased functionality, expanded application scenarios, improved stability and service life, and reduced maintenance requirements.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689581U_ABST
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Abstract

The utility model discloses a push-pull type medical radiation protection door, and relates to the technical field of push-pull type radiation protection doors, the push-pull type medical radiation protection door comprises a first supporting column, the top and the bottom of the first supporting column are fixedly connected with a second transverse plate and a first transverse plate respectively, and a second supporting column is fixedly connected between the first transverse plate and the second transverse plate; a motor is fixedly connected to the bottom of the second supporting column, a driving gear is fixedly connected to the output end of the motor, a driven gear is connected to a bottom gear of the driving gear, a long threaded rod is fixedly connected to the side wall of the driven gear, the long threaded rod is in threaded connection with a movable door, and trundles are rotationally connected to the bottom of the movable door. According to the medical radiation-proof door, the motor is arranged to control the movement of the movable door, and the trundles and the ground rail are arranged at the bottom of the movable door to reduce the friction force in the movement process, so that the automation problem of the medical radiation-proof door is solved, the functionality of the medical radiation-proof door is increased, and the use scene of the medical radiation-proof door is expanded.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of push-pull radiation protection doors, in particular to a push-pull medical radiation protection door. BACKGROUND

[0002] The radiation protection door is also called a radiation protection door, a lead door, a lead plate door or a radiation protection door, is suitable for blocking the entrance and exit of radiation, and is mainly used in medical places, CT machine rooms, X-ray rooms, DR machine rooms, industrial flaw detection rooms, mining areas, dental clinics, pet hospitals, beauty and medical institutions, nuclear medicine laboratories and places with radiation.

[0003] The door body of the existing conventional radiation protection door adopts a wheel rail structure, and is opened and closed by means of manpower, so that the user needs to open and close the radiation protection door by himself. In addition to the consideration of efficiency and convenience, the self-weight of the radiation protection door is generally large, and the excessively heavy lead plate cannot be opened by the patient with small strength, so the push-pull medical radiation protection door is provided. CONTENT OF THE INVENTION

[0004] The application aims to provide a push-pull medical radiation protection door to solve the problems in the background.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a first supporting column is provided, the top and bottom of the first supporting column are respectively fixedly connected with a second horizontal plate and a first horizontal plate, a second supporting column is fixedly connected between the first horizontal plate and the second horizontal plate, a motor is fixedly connected to the bottom of the second supporting column, a driving gear is fixedly connected to the output end of the motor, a driven gear is connected to the bottom gear of the driving gear, a long threaded rod is fixedly connected to the side wall of the driven gear, the long threaded rod is rotatably connected to a limiting block penetrating through the side wall of the driven gear, an active door is threadedly connected to the long threaded rod, a foot wheel is rotatably connected to the bottom of the active door, every two foot wheels form a group, and a plurality of groups of the foot wheels are arranged in a linear array, and a ground rail is arranged at the bottom of the plurality of groups of the foot wheels, the movement of the active door is controlled by the motor, the friction in the movement process is reduced by arranging the foot wheel and the ground rail at the bottom of the active door, the automation of the medical radiation protection door is solved, the functionality of the medical radiation protection door is increased, and the use scene of the medical radiation protection door is expanded.

[0006] In a further embodiment, a fixing block is fixedly connected to the side wall of the second supporting column, a limiting rod is fixedly connected to the side wall of the fixing block, and the limiting rod is fixedly connected to the side wall of the first supporting column penetrating through the side wall of the active door, the movement of the active door is more stable by arranging the limiting rod at the top of the active door, the inclination of the active door in the movement process is avoided, the stability of the medical radiation protection door is enhanced, the mutual abrasion between components is reduced, and the service life of the medical radiation protection door is prolonged.

[0007] In further embodiments, a fixing protrusion is fixedly connected to the side wall of the second support column, a movable rod is slidably connected to the inside of the fixing protrusion, and the two movable rods are symmetrically arranged, the ends of the two movable rods are fixedly connected to a buffer plate, and the buffer plate is fixedly connected to the fixing protrusion by a spring, and the spring is arranged corresponding to the position of the movable rod. This step provides buffering for the moving movable door through the two parallel arranged buffer plates, avoids the collision between the movable door and the internal components, improves the stability of the medical anti-radiation door, and is beneficial to prolong the service life of the long threaded rod.

[0008] In further embodiments, a back plate and a front plate are respectively fixedly connected to the two side walls of the second support column, and the back plate and the front plate are connected to the second support column by bolts, a short screw rod is fixedly connected to the end of the limiting block away from the long threaded rod, and the short screw rod is threadedly connected to the inside of the second support column, and a handle is fixedly connected to the end of the short screw rod away from the limiting block. This step provides a way for the maintenance of the medical anti-radiation door by arranging the screw-fixed back plate and front plate, and provides a way for the replacement of the long threaded rod by arranging the handle to disassemble or install the limiting block, which is beneficial to solve the problem of not easy to maintain the medical anti-radiation door, and is beneficial to enhance the stability of the medical anti-radiation door and improve the service life.

[0009] In further embodiments, a brush strip is arranged between the front plate and the movable door, and the brush strip is fixed to the side wall of the front plate by bolts. This step cleans the surface of the movable door by arranging the brush strip on the side wall of the front plate, avoids the dust on the surface of the movable door from entering the inside of the medical anti-radiation door, maintains the internal environment of the medical anti-radiation door, makes the internal environment of the medical anti-radiation door more stable, and reduces the maintenance requirement.

[0010] In further embodiments, a sponge block is arranged at the bottom of the movable door, and the sponge block is connected to the movable door by bolts. This step cleans the ground rail by arranging the sponge block, and avoids dust accumulation, which is convenient for dust cleaning.

[0011] In further embodiments, a sealing strip is fixedly connected to the side wall of the first support column, and a movable door is fixedly connected to the side wall of the second transverse plate. This step blocks the gap between the components by arranging the sealing strip, which is beneficial to reduce radiation leakage and improve the sealing performance of the medical anti-radiation door.

[0012] Compared with the prior art, the medical anti-radiation door has the following advantages:

[0013] The medical anti-radiation door is automatically controlled by the motor, the friction during movement is reduced by arranging the casters and the ground rail at the bottom of the movable door, the automation problem of the medical anti-radiation door is solved, the functionality of the medical anti-radiation door is increased, and the use scene of the medical anti-radiation door is expanded.

[0014] The application makes the movement of the movable door more stable by setting the limiting rod on the top of the movable door, avoids the movable door from tilting during the movement, enhances the stability of the medical anti-radiation door, reduces the mutual abrasion between components, and effectively prolongs the service life of the medical anti-radiation door. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a perspective view of an embodiment of the application;

[0016] Figure 2 is a structural schematic view of a back plate in an embodiment of the application;

[0017] Figure 3 is a structural schematic view of a movable door in an embodiment of the application;

[0018] Figure 4 is a structural schematic view of a long threaded rod in an embodiment of the application;

[0019] Figure 5 is a structural schematic view of a short screw rod in an embodiment of the application.

[0020] In the figure: 1, first support column; 2, first cross plate; 3, second cross plate; 4, second support column; 5, back plate; 6, front plate; 7, movable door; 8, motor; 9, driving gear; 10, driven gear; 11, long threaded rod; 12, caster; 13, ground rail; 14, sponge block; 15, limiting rod; 16, fixed block; 17, buffer plate; 18, brush strip; 19, fixed protrusion; 20, movable rod; 21, spring; 22, limiting block; 23, short screw rod; 24, handle; 25, sealing strip. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, a kind of push-pull medical radiation protection door, including first support column 1, the top of first support column 1 is respectively fixed with second cross plate 3 and first cross plate 2 with bottom, first cross plate 2 and second cross plate 3 are fixed with second support column 4, the bottom of second support column 4 is fixed with motor 8, and the output end of motor 8 is fixed with driving gear 9, the bottom gear of driving gear 9 is connected with driven gear 10, long threaded rod 11 is fixed on the side wall of driven gear 10, and long threaded rod 11 is rotatably connected with limit block 22 by penetrating the side wall of driven gear 10, long threaded rod 11 is screw connected with movable door 7, movable door 7 is rotatably connected with trundle 12, every two trundles 12 are a group, and multiple groups of trundles 12 are linearly arrayed, and multiple groups of trundles 12 are provided with ground rail 13 at the bottom, when working, staff can control the opening and closing state of the medical radiation protection door by driving motor 8, whenever driving motor 8 makes driving gear 9 rotate, driving gear 9 will drive driven gear 10 to rotate, long threaded rod 11 rotates synchronously with driven gear 10, by the screw connection between long threaded rod 11 and movable door 7, movable door 7 between first support column 1, first cross plate 2, second cross plate 3 and second support column 4 will move in horizontal direction, staff can control the movement direction of movable door 7 by controlling the output end rotation direction of motor 8, to realize the opening and closing control of the medical radiation protection door, in the process, limit block 22 in second support column 4 exerts restriction on long threaded rod 11 by itself, and the other side exerts restriction on long threaded rod 11 by first support column 1, limit block 22, first support column 1 and long threaded rod 11 are all rotatably connected, and they jointly maintain the stability of long threaded rod 11, this step controls the movement of movable door 7 by setting motor 8, reduces the friction in the movement process by setting trundle 12 and ground rail 13 at the bottom of movable door 7, solves the automation problem of medical radiation protection door, increases the functionality of medical radiation protection door, and expands the use scene of medical radiation protection door.

[0024] Please refer to Figure 3In a more specific scheme, the side wall of the second support column 4 is fixedly connected with a fixed block 16, the side wall of the fixed block 16 is fixedly connected with a limiting rod 15, and the limiting rod 15 is fixedly connected with the side wall of the first support column 1. In operation, when the staff drives the motor 8, the long threaded rod 11 at the bottom provides power to the movable door 7 through the threaded connection with the movable door 7. During the movement of the movable door 7, the limiting rod 15 at the top of the movable door 7 exerts a limiting force on the movable door 7 through the sliding connection with the movable door 7, thereby ensuring that the movable door 7 is always perpendicular to the ground. The fixed block 16 plays a role in reinforcing the limiting rod 15. This step makes the movement of the movable door 7 more stable by setting the limiting rod 15 at the top of the movable door 7, avoids tilting of the movable door 7 during movement, enhances the stability of the medical anti-radiation door, reduces mutual abrasion between components, and prolongs the service life of the medical anti-radiation door.

[0025] Please refer to Figure 4 and Figure 5 In a more specific scheme, the side wall of the second support column 4 is fixedly connected with a fixed block 16, the side wall of the fixed block 16 is fixedly connected with a limiting rod 15, and the limiting rod 15 is fixedly connected with the side wall of the first support column 1. In operation, when the staff drives the motor 8, the long threaded rod 11 at the bottom provides power to the movable door 7 through the threaded connection with the movable door 7. During the movement of the movable door 7, the limiting rod 15 at the top of the movable door 7 exerts a limiting force on the movable door 7 through the sliding connection with the movable door 7, thereby ensuring that the movable door 7 is always perpendicular to the ground. The fixed block 16 plays a role in reinforcing the limiting rod 15. This step makes the movement of the movable door 7 more stable by setting the limiting rod 15 at the top of the movable door 7, avoids tilting of the movable door 7 during movement, enhances the stability of the medical anti-radiation door, reduces mutual abrasion between components, and prolongs the service life of the medical anti-radiation door.

[0026] Please refer to Figure 1 and Figure 2In a more specific scheme, the two side walls of the second support column 4 are respectively fixedly connected with the back plate 5 and the front plate 6, and the back plate 5 and the front plate 6 are connected with the second support column 4 through bolts, the end of the limiting block 22 away from the long threaded rod 11 is fixedly connected with a short screw rod 23, and the short screw rod 23 is threadedly connected in the second support column 4, and the end of the short screw rod 23 away from the limiting block 22 is fixedly connected with a handle 24. In work, when the internal components of the medical anti-radiation door are damaged and need to be checked, the staff can first disassemble the bolts at both ends of the second support column 4 to separate the back plate 5 and the front plate 6 from the side walls of the second support column 4, then the staff can rotate the handle 24 to rotate the short screw rod 23 through the handle 24 until the short screw rod 23 is separated from the second support column 4. After the short screw rod 23 and the second support column 4 are separated, the limiting block 22 and the long threaded rod 11 are also separated. In addition to internal inspection, the staff can periodically separate the back plate 5 or the front plate 6 to add lubricating oil to the driving gear 9, the driven gear 10 and the long threaded rod 11. This step provides a way for the maintenance of the medical anti-radiation door by setting the back plate 5 and the front plate 6 fixed by screws, and provides a way for the replacement of the long threaded rod 11 by setting the handle 24 to disassemble or install the limiting block 22, which is helpful to solve the problem of not easy to maintain the medical anti-radiation door, and is helpful to enhance the stability and prolong the service life of the medical anti-radiation door.

[0027] Please refer to Figure 4 In a more specific scheme, the brush strip 18 is arranged between the front plate 6 and the movable door 7, and the brush strip 18 is fixed on the side wall of the front plate 6 through bolts. In work, the brush strip 18 fixed between the front plate 6 and the movable door 7 can clean the movable door 7 during movement. This step cleans the surface of the movable door 7 by setting the brush strip 18 on the side wall of the front plate 6, avoids dust on the surface of the movable door 7 from entering the inside of the medical anti-radiation door, maintains the internal environment of the medical anti-radiation door, makes the internal environment of the medical anti-radiation door more stable, and reduces the maintenance requirement.

[0028] Please refer to Figure 3 In a more specific scheme, the bottom of the movable door 7 is provided with a sponge block 14, and the sponge block 14 is connected with the movable door 7 through bolts. In work, the sponge block 14 cleans the top of the ground rail 13 while moving with the movable door 7, so as to push the dust on the surface of the ground rail 13 to the corner. This step cleans the ground rail 13 by setting the sponge block 14, avoids dust accumulation, and facilitates dust cleaning.

[0029] Please refer to Figure 1In a more specific scheme, the side wall of the first support column 1 is fixedly connected with a sealing strip 25, and the side wall of the second transverse plate 3 is fixedly connected with a movable door 7, in operation, a plurality of movable doors 7 can block the gap between the components by themselves, this step blocks the gap between the components by setting the sealing strip 25, which is beneficial to reduce the radiation leakage and improve the sealing performance of the medical anti-radiation door.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sliding medical radiation protection door comprising a first support column (1), characterized in that: The top and bottom of the first support column (1) are respectively fixedly connected with the second transverse plate (3) and the first transverse plate (2), the first transverse plate (2) and the second transverse plate (3) are fixedly connected with the second support column (4), the bottom of the second support column (4) is fixedly connected with the motor (8), the output end of the motor (8) is fixedly connected with the driving gear (9), the bottom gear of the driving gear (9) is connected with the driven gear (10), the sidewall of the driven gear (10) is fixedly connected with the long threaded rod (11), the long threaded rod (11) penetrates the sidewall of the driven gear (10) and is rotationally connected with the limiting block (22), the long threaded rod (11) is threadedly connected with the movable door (7), the bottom of the movable door (7) is rotationally connected with the caster (12), every two casters (12) form a group, and a plurality of groups of the casters (12) are arranged in linear array, and the bottom of the plurality of groups of the casters (12) is provided with the ground rail (13).

2. The sliding medical radiation shielding door according to claim 1, wherein: The sidewall of the second support column (4) is fixedly connected with the fixed block (16), the sidewall of the fixed block (16) is fixedly connected with the limiting rod (15), and the limiting rod (15) penetrates the sidewall of the movable door (7) and is fixedly connected on the sidewall of the first support column (1).

3. The sliding medical radiation shielding door of claim 1, wherein: The sidewall of the second support column (4) is fixedly connected with the fixed protrusion (19), the inside of the fixed protrusion (19) is slidably connected with the movable rod (20), and two movable rods (20) are symmetrically arranged, the ends of the two movable rods (20) are fixedly connected with the buffer plate (17), the buffer plate (17) and the fixed protrusion (19) are fixedly connected with the spring (21), and the spring (21) is arranged corresponding to the position of the movable rod (20).

4. The sliding medical radiation shielding door of claim 1, wherein: The sidewalls of the second support column (4) are respectively fixedly connected with the back plate (5) and the front plate (6), the back plate (5) and the front plate (6) are connected with the second support column (4) through bolts, the end, away from the long threaded rod (11), of the limiting block (22) is fixedly connected with the short screw rod (23), the short screw rod (23) is threadedly connected in the second support column (4), and the end, away from the limiting block (22), of the short screw rod (23) is fixedly connected with the handle (24).

5. The sliding medical radiation shielding door according to claim 4, wherein: The front plate (6) and the movable door (7) are provided with the brush strip (18), and the brush strip (18) is fixed on the sidewall of the front plate (6) through bolts.

6. The sliding medical radiation shielding door of claim 5, wherein: The bottom of the movable door (7) is provided with the sponge block (14), and the sponge block (14) and the movable door (7) are connected through bolts.

7. The sliding medical radiation shield door of claim 1, wherein: The sidewall of the first support column (1) is fixedly connected with the sealing strip (25), and the sidewall of the second transverse plate (3) is fixedly connected with the movable door (7).