Radiation protection lead screen convenient to fold

Abstract

The utility model discloses a radiation protection lead screen convenient to fold, which comprises two fixing frames, the interiors of the two fixing frames are of hollow structures, and a first rotating shaft and a second rotating shaft are rotatably mounted in each fixing frame. A rotating mechanism used for driving the first rotating shafts and the second rotating shaft to rotate is installed in the fixing frame, the two first rotating shafts are fixedly sleeved with the same first lead plate, the second rotating shaft is fixedly sleeved with a second lead plate, and a fixing base is fixed to the side edge of the second lead plate; a supporting plate is installed on the fixing base through a moving mechanism, and the moving mechanism is used for driving the supporting plate to move. The folding angle of the first lead plate and the second lead plate can be adjusted, so that the first lead plate and the second lead plate are convenient to use; and the placing area of the second lead plate can be increased through the moving mechanism, the second lead plate can be conveniently supported, and the first lead plate and the second lead plate are prevented from toppling over.

Description

TECHNICAL FIELD

[0001] The utility model relates to lead screen technology field especially relates to a kind of lead screen for radiation protection of folding. BACKGROUND

[0002] Lead screen is an important ray protection equipment, mainly used to block radioactive rays, protect medical staff and patients from the irradiation of radioactive rays, while taking into account the function of protecting patient privacy.

[0003] The Chinese patent with application publication number CN217814520U discloses a foldable radiation-proof lead screen. In this patent, the radiation-proof layers of the connecting shaft and the screen body can overlap each other regardless of the angle at which the two adjacent screen bodies are folded, improving the radiation-proof effect and preventing the leakage of radioactive substances at the connection of the screen, thereby protecting human health.

[0004] When using the above-mentioned patent, we found that the device does not have the ability to support the screen body, resulting in low stability of the screen body after unfolding and easy tipping over, thereby affecting the use of the screen body. Therefore, we propose a lead screen for radiation protection that is easy to fold. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and proposes a lead screen for radiation protection that is easy to fold.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0007] A lead screen for radiation protection that is easy to fold includes two fixed frames, the interiors of the two fixed frames are hollow structures, the interiors of the two fixed frames are each rotatably installed with a first rotating shaft and a second rotating shaft, the interior of the fixed frame is installed with a rotating mechanism for driving the first rotating shaft and the second rotating shaft to rotate, the same first lead plate is fixedly sleeved on the two first rotating shafts, a second lead plate is fixedly sleeved on the second rotating shaft, a fixed seat is fixed to the side edge of the second lead plate, a support plate is installed on the fixed seat through a moving mechanism, the moving mechanism is used to drive the support plate to move, a third lead plate is slidably installed in the interior of the second lead plate, a sliding mechanism for the sliding of the third lead plate is installed in the interior of the second lead plate, a placing box is installed on the second lead plate, a sealing strip is placed in the interior of the placing box, and an observation screen is installed on the first lead plate.

[0008] Preferably, the moving mechanism comprises a second rotating handle, a third rotating shaft, a first bevel gear, a first screw rod, a second bevel gear, a sliding block and a connecting rod, the third rotating shaft is rotatably sleeved in the fixed seat, the top of the third rotating shaft is fixedly provided with the second rotating handle, the bottom of the third rotating shaft is fixedly and sleeved with the first bevel gear, the first screw rod is rotatably arranged in the fixed seat, the first screw rod is fixedly and sleeved with the second bevel gear, the first bevel gear is in meshing transmission with the second bevel gear, the first screw rod is threadedly sleeved with the two sliding blocks in opposite directions, and the sliding blocks are hingedly connected with the supporting plate through the connecting rod.

[0009] Preferably, the side of the fixed seat is provided with a sliding groove, and the sliding block is slidably arranged in the sliding groove.

[0010] Preferably, the rotating mechanism comprises a first rotating handle, a first worm, a first worm wheel, a first gear and a second gear, the first worm is rotatably arranged in the bottom of the fixed frame, the first worm penetrates through the fixed frame and is connected with the first rotating handle, the first worm wheel is fixedly sleeved at the bottom end of the first rotating shaft, the first worm is in meshing transmission with the first worm wheel, and the first gear and the second gear are fixedly sleeved at the top ends of the first rotating shaft and the second rotating shaft respectively.

[0011] Preferably, the sliding mechanism comprises a third rotating handle, a second worm, a second screw rod and a second worm wheel, the second worm is rotatably arranged in the second lead plate, the second worm penetrates through the second lead plate and is connected with the third rotating handle, the second screw rod is rotatably arranged in the second lead plate, the second screw rod is fixedly sleeved with the second worm wheel, the second worm is in meshing transmission with the second worm wheel, and the third lead plate is threadedly sleeved on the second screw rod.

[0012] Preferably, the second lead plate is internally provided with a guide groove, and the third lead plate is fixedly provided with a guide block which is slidably arranged in the guide groove.

[0013] Preferably, the side of the second lead plate is fixedly provided with a telescopic rod which is fixedly connected with the supporting plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、In the utility model, rotating the second rotating handle, the third rotating shaft drives the first bevel gear to rotate, the second bevel gear drives the first screw rod to rotate through the meshing transmission of the first bevel gear and the second bevel gear, the two sliding blocks drive the connecting rod to displace through the threaded transmission of the first screw rod and the two sliding blocks, the connecting rod drives the supporting plate to move, thereby the placing area of the second lead plate can be increased, the second lead plate is conveniently supported, and the first lead plate and the second lead plate are prevented from toppling.

[0016] 2、 The utility model discloses, rotate first rotary handle, through the meshing drive of first worm and first worm wheel, first worm wheel drives first rotating shaft rotation, make first rotating shaft drive first lead plate and first gear rotation, through the meshing drive of first gear and second gear, second gear drives second lead plate rotation, thereby can adjust the folding angle of first lead plate and second lead plate, and the use of first lead plate and second lead plate is facilitated.

[0017] 3、 The utility model discloses, rotate third rotary handle, through the meshing drive of second worm and second worm wheel, second worm wheel drives second screw rod rotation, through second screw rod and third lead plate screw drive, third lead plate slides in second lead plate inside, thereby can increase the width of screen, improved the protection area of screen. ACCURACY OF DRAWINGS

[0018] Figure 1 The structure diagram of the lead screen convenient to fold for radiation protection is provided for the utility model;

[0019] Figure 2 The moving mechanism schematic diagram of the lead screen convenient to fold for radiation protection is provided for the utility model;

[0020] Figure 3 The rotating mechanism schematic diagram of the lead screen convenient to fold for radiation protection is provided for the utility model;

[0021] Figure 4 The rotating mechanism overhead view of the lead screen convenient to fold for radiation protection is provided for the utility model;

[0022] Figure 5 The sliding mechanism schematic diagram of the lead screen convenient to fold for radiation protection is provided for the utility model.

[0023] In the drawing: 1 fixed frame, 2 first rotating shaft, 3 second rotating shaft, 4 rotating mechanism, 41 first rotary handle, 42 first worm, 43 first worm wheel, 44 first gear, 45 second gear, 5 first lead plate, 6 second lead plate, 7 fixed seat, 8 moving mechanism, 81 second rotary handle, 82 third rotating shaft, 83 first bevel gear, 8 first 4 screw rod, 85 second bevel gear, 86 sliding block, 87 connecting rod, 9 support plate, 10 telescopic rod, 11 third lead plate, 12 sliding mechanism, 121 third rotary handle, 122 second worm, 123 second screw rod, 124 second worm wheel, 13 guide block, 14 placing box, 15 observation screen. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model below, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Referring to Figures 1-5 , a lead screen for radiation protection is convenient to fold, comprising two fixed frames 1, the interiors of the two fixed frames 1 are hollow structures, the interiors of the two fixed frames 1 are rotatably provided with first rotating shafts 2 and second rotating shafts 3, the interiors of the fixed frames 1 are provided with rotating mechanisms 4 for driving the first rotating shafts 2 and the second rotating shafts 3 to rotate, the same first lead plates 5 are fixedly sleeved on the two first rotating shafts 2, the second lead plates 6 are fixedly sleeved on the second rotating shafts 3, the side edges of the second lead plates 6 are fixedly provided with fixed seats 7, the fixed seats 7 are provided with support plates 9 through moving mechanisms 8, the moving mechanisms 8 are used for driving the support plates 9 to move, the side edges of the second lead plates 6 are fixedly provided with telescopic rods 10, the telescopic rods 10 are fixedly connected with the support plates 9, the interiors of the second lead plates 6 are slidably provided with third lead plates 11, the interiors of the second lead plates 6 are provided with guide grooves, the third lead plates 11 are fixedly provided with guide blocks 13, the guide blocks 13 are slidably installed in the guide grooves, the interiors of the second lead plates 6 are provided with sliding mechanisms 12 for the sliding of the third lead plates 11, the second lead plates 6 are provided with placing boxes 14, the interiors of the placing boxes 14 are placed with sealing strips, the first lead plates 5 are provided with observation screens 15.

[0026] Referring to Figure 2 , the moving mechanisms 8 comprise second rotating handles 81, third rotating shafts 82, first bevel gears 83, first lead screws 84, second bevel gears 85, sliding blocks 86 and connecting rods 87, the interiors of the fixed seats 7 are rotatably sleeved with the third rotating shafts 82, the top portions of the third rotating shafts 82 are fixedly provided with the second rotating handles 81, the bottom portions of the third rotating shafts 82 are fixedly sleeved with the first bevel gears 83, the interiors of the fixed seats 7 are rotatably installed with the first lead screws 84, the first lead screws 84 are fixedly sleeved with the second bevel gears 85, the first bevel gears 83 are in meshing transmission with the second bevel gears 85, the first lead screws 84 are sleeved with the two sliding blocks 86 through threads with opposite rotating directions, the side edges of the fixed seats 7 are provided with sliding grooves, the sliding blocks 86 are slidably installed in the sliding grooves, the sliding blocks 86 are hingedly connected with the support plates 9 through the connecting rods 87, rotating the second rotating handles 81, the third rotating shafts 82 drive the first bevel gears 83 to rotate, through the meshing transmission of the first bevel gears 83 and the second bevel gears 85, the second bevel gears 85 drive the first lead screws 84 to rotate, through the thread transmission of the first lead screws 84 and the two sliding blocks 86, the two sliding blocks 86 drive the connecting rods 87 to displace, the connecting rods 87 drive the support plates 9 to move, thereby the placing area of the second lead plates 6 can be increased, the second lead plates 6 are conveniently supported, and the first lead plates 5 and the second lead plates 6 are prevented from falling down.

[0027] Referring to Figure 3 , Figure 4, the rotating mechanism 4 comprises a first rotating handle 41, a first worm 42, a first worm wheel 43, a first gear 44 and a second gear 45, the first worm 42 is rotatably installed in the bottom of the fixed frame 1, the first worm 42 is rotatably connected with the first rotating handle 41, the first worm wheel 43 is fixedly sleeved on the bottom end of the first rotating shaft 2, the first worm 42 is in meshing transmission with the first worm wheel 43, the first gear 44 and the second gear 45 are fixedly sleeved on the top ends of the first rotating shaft 2 and the second rotating shaft 3 respectively, the first gear 44 is in meshing transmission with the second gear 45, the first rotating handle 41 is rotated, the first worm 42 is in meshing transmission with the first worm wheel 43, the first worm wheel 43 drives the first rotating shaft 2 to rotate, the first rotating shaft 2 drives the first lead plate 5 and the first gear 44 to rotate, the second gear 45 drives the second lead plate 6 to rotate through the meshing transmission of the first gear 44 and the second gear 45, so that the folding angle of the first lead plate 5 and the second lead plate 6 can be adjusted, and the use of the first lead plate 5 and the second lead plate 6 is facilitated.

[0028] With reference to Figure 5 , the sliding mechanism 12 comprises a third rotating handle 121, a second worm 122, a second screw rod 123 and a second worm wheel 124, the second worm 122 is rotatably installed in the second lead plate 6, the second worm 122 is rotatably connected with the third rotating handle 121, the second screw rod 123 is rotatably installed in the second lead plate 6, the second screw rod 123 is fixedly sleeved with the second worm wheel 124, the second worm 122 is in meshing transmission with the second worm wheel 124, the third lead plate 11 is threadedly sleeved on the second screw rod 123, the third rotating handle 121 is rotated, the second worm 122 is in meshing transmission with the second worm wheel 124, the second worm wheel 124 drives the second screw rod 123 to rotate, the third lead plate 11 slides in the second lead plate 6 through the threaded transmission of the second screw rod 123 and the third lead plate 11, so that the width of the screen can be increased, and the protection area of the screen is improved.

[0029] Working principle: when in use, the first lead plate 5 is supported, two rotating mechanisms 4 are adjusted according to the required shape, the first rotating shaft 2 and the second rotating shaft 3 drive the first lead plate 5 and the two second lead plates 6 to rotate through the rotating mechanism 4, so that the folding angle between the first lead plate 5 and the second lead plate 6 can be adjusted, and the use of the first lead plate 5 and the second lead plate 6 is facilitated, when the use shape of the first lead plate 5 and the second lead plate 6 is adjusted, the supporting plate 9 can be driven to move through the moving mechanism 8, so that the placing area of the second lead plate 6 can be increased, the second lead plate 6 is conveniently supported, and the first lead plate 5 and the second lead plate 6 are prevented from falling down, when the use width of the screen is not enough, the third lead plate 11 can slide in the second lead plate 6 through the sliding mechanism 12, so that the width of the screen can be increased, and the protection area of the screen is improved.

[0030] The working principle of the moving mechanism is as follows: rotating the second rotating handle 81, the third rotating shaft 82 drives the first bevel gear 83 to rotate, the second bevel gear 85 drives the first screw rod 84 to rotate through the meshing transmission of the first bevel gear 83 and the second bevel gear 85, the two sliding blocks 86 drive the connecting rod 87 to displace through the threaded transmission of the first screw rod 84 and the two sliding blocks 86, the connecting rod 87 drives the supporting plate 9 to move, so that the placing area of the second lead plate 6 can be increased, the second lead plate 6 is conveniently supported, and the first lead plate 5 and the second lead plate 6 are prevented from toppling over.

[0031] The working principle of the rotating mechanism is as follows: rotating the first rotating handle 41, the first worm 42 drives the first worm wheel 43 to rotate through the meshing transmission of the first worm 42 and the first worm wheel 43, the first rotating shaft 2 drives the first lead plate 5 and the first gear 44 to rotate, the second lead plate 6 is driven to rotate through the meshing transmission of the first gear 44 and the second gear 45, so that the folding angle of the first lead plate 5 and the second lead plate 6 can be adjusted, and the first lead plate 5 and the second lead plate 6 are conveniently used.

[0032] The working principle of the sliding mechanism is as follows: rotating the third rotating handle 121, the second worm 122 drives the second screw rod 123 to rotate through the meshing transmission of the second worm 122 and the second worm wheel 124, the third lead plate 11 slides in the second lead plate 6 through the threaded transmission of the second screw rod 123 and the third lead plate 11, so that the width of the screen can be increased, and the protection area of the screen is improved.

[0033] The above merely describes a preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A foldable lead screen for radiation protection, comprising two fixed frames (1), characterized in that, The interior of the two fixed frames (1) is hollow. The interior of the two fixed frames (1) is rotatably equipped with a first rotating shaft (2) and a second rotating shaft (3). The interior of the fixed frame (1) is equipped with a rotating mechanism (4) for driving the first rotating shaft (2) and the second rotating shaft (3) to rotate. The same first lead plate (5) is fixedly sleeved on the two first rotating shafts (2). The second lead plate (6) is fixedly sleeved on the second rotating shaft (3). The side of the second lead plate (6) is fixed with a fixed seat (7). The fixed seat (7) is equipped with a support plate (9) through a moving mechanism (8). The moving mechanism (8) is used to drive the support plate (9) to move. The interior of the second lead plate (6) is slidably equipped with a third lead plate (11). The interior of the second lead plate (6) is equipped with a sliding mechanism (12) for sliding the third lead plate (11). The second lead plate (6) is equipped with a placement box (14). The interior of the placement box (14) is equipped with a sealing strip. The first lead plate (5) is equipped with an observation screen (15).

2. A foldable lead screen for radiation protection according to claim 1, characterized in that, The moving mechanism (8) includes a second handle (81), a third rotating shaft (82), a first bevel gear (83), a first lead screw (84), a second bevel gear (85), a slider (86), and a connecting rod (87). The third rotating shaft (82) is rotatably sleeved inside the fixed seat (7). The second handle (81) is fixed to the top of the third rotating shaft (82), and the first bevel gear (83) is fixedly sleeved to the bottom of the third rotating shaft (82). The first lead screw (84) is rotatably installed inside the fixed seat (7), and the second bevel gear (85) is fixedly sleeved on the first lead screw (84). The first bevel gear (83) and the second bevel gear (85) mesh and drive each other. Two sliders (86) are sleeved on the first lead screw (84) through threads with opposite directions. The sliders (86) are hinged to the support plate (9) through the connecting rod (87).

3. A foldable lead screen for radiation protection according to claim 2, characterized in that, The side of the fixed base (7) is provided with a sliding groove, and the slider (86) is slidably installed in the sliding groove.

4. A foldable lead screen for radiation protection according to claim 1, characterized in that, The rotating mechanism (4) includes a first handle (41), a first worm (42), a first worm wheel (43), a first gear (44), and a second gear (45). The first worm (42) is rotatably installed inside the bottom of the fixed frame (1). The first worm (42) rotatably passes through the fixed frame (1) and is connected to the first handle (41). The first worm wheel (43) is fixedly sleeved on the bottom end of the first rotating shaft (2). The first worm (42) and the first worm wheel (43) mesh and drive each other. The first gear (44) and the second gear (45) are respectively fixedly sleeved on the top ends of the first rotating shaft (2) and the second rotating shaft (3). The first gear (44) and the second gear (45) mesh and drive each other.

5. A foldable lead screen for radiation protection according to claim 1, characterized in that, The sliding mechanism (12) includes a third handle (121), a second worm (122), a second lead screw (123), and a second worm wheel (124). The second worm (122) is rotatably installed inside the second lead plate (6). The second worm (122) rotatably passes through the second lead plate (6) and is connected to the third handle (121). The second lead screw (123) is rotatably installed inside the second lead plate (6). The second worm wheel (124) is fixedly sleeved on the second lead screw (123). The second worm (122) meshes with the second worm wheel (124) for transmission. The third lead plate (11) is threaded onto the second lead screw (123).

6. A foldable lead screen for radiation protection according to claim 1, characterized in that, The second lead plate (6) has a guide groove inside, and the third lead plate (11) has a guide block (13) fixed on it. The guide block (13) is slidably installed in the guide groove.

7. A foldable lead screen for radiation protection according to claim 1, characterized in that, The second lead plate (6) is fixed with a telescopic rod (10) on its side, and the telescopic rod (10) is fixedly connected to the support plate (9).

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