Radioactive source shielding box

Abstract

The utility model discloses a radioactive source shielding box, and relates to the technical field of shielding boxes. Comprising a box body, a partition plate is fixedly installed at the position, close to the lower side, of the inner wall of the box body and sequentially divides the box body into a containing cavity and an installing cavity from top to bottom, a driving mechanism is arranged in the installing cavity, a rubber suction cup is fixedly installed on the lower surface of the driving mechanism, and the edge of the upper surface of the rubber suction cup is fixedly connected with the upper surface of the side wall of the box body; a mounting frame is placed in the containing cavity, a clamping mechanism is arranged on the mounting frame, a box cover is installed on the upper surface of the box body in a threaded mode, and shielding layers are arranged on the inner wall of the box body and the inner wall of the box cover. According to the shielding box, the function of clamping and fixing the radioactive source is added, the radioactive source can be stably placed in the shielding box through the installation frame, the radioactive source cannot collide with the shielding box, placing is more stable, the adsorption and fixing functions of the shielding box are added, and the shielding box is more stable and beneficial to use in the radioactive source storing and taking process.

Description

TECHNICAL FIELD

[0001] The utility model relates to shielding box technical field, concretely is a radioactive source shielding box. BACKGROUND

[0002] Radioactive source is the radiation source made of radioactive material. Radioactive source is generally identified by the activity of the produced radionuclide, and can also be identified by the radiation emission rate or the fluence rate. High activity or high radiation emission rate radioactive sources used for non-destructive testing, radiation therapy and radiation treatment are commonly referred to as radiation sources,

[0003] Radioactive linear source has certain harm to human body and environment, and needs to be stored in shielding box in shielding room according to laws and regulations, and contact with linear source is strictly controlled. Generally, lead radiation protection clothing needs to be worn during use of radioactive source, and a radioactive source transfer box needs to be used to transfer the radioactive source.

[0004] In the prior art, the conventional radioactive source shielding box lacks clamping and fixing function for the radioactive source, so that the radioactive source shakes in the shielding box, the shaking radioactive source collides with the shielding box, and the shielding box or the radioactive source is damaged. At the same time, the shielding box lacks self-absorbing and fixing function during use, which is not conducive to stable storage and access of the radioactive source, and is inconvenient to use. UTILITY MODEL CONTENT

[0005] The utility model provides a radioactive source shielding box to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a radioactive source shielding box, comprising a box body, a partition plate is fixedly installed on the inner wall of the box body close to the lower side position, and the partition plate sequentially divides the box body from top to bottom into a placing cavity and a mounting cavity, a driving mechanism is arranged in the mounting cavity, a rubber suction cup is fixedly installed on the lower surface of the driving mechanism, and the upper surface edge of the rubber suction cup is fixedly connected with the upper surface of the side wall of the box body, a mounting rack is placed in the placing cavity, a clamping mechanism is arranged on the mounting rack, a box cover is screwedly installed on the upper surface of the box body, and the inner wall of the upper side of the box cover is tightly fixed with the upper surface of the mounting rack, shielding layers are arranged on the inner walls of the box body and the box cover, and a limiting mechanism is arranged between the front side of the box cover and the front side of the box body.

[0007] Further, the driving mechanism comprises a first ball screw, a first bearing assembly, a first handle, a first ball nut, a fixed plate, a hinge and a connecting rod, the first ball screw is provided with two left and right mirror images, the first ball screw is installed on the left and right side walls of the box body through the first bearing assembly, and is fixedly connected between the left and right first ball screws, the first ball screw is provided with a first handle on the end head away from each other, the first ball screw is provided with a first ball nut, the front and rear sides of the first ball nut are provided with a hinge on the upper surface of the fixed plate, and the hinges are connected through the connecting rod, and the lower surface of the fixed plate is fixedly connected with the middle part of the upper surface of the rubber suction disc.

[0008] Further, the outer surface of the first ball nut is a rectangular structure, and the upper surface of the first ball nut is movably attached to the lower surface of the partition plate.

[0009] Further, the mounting bracket comprises a disc, a vertical plate, a cylinder and a rubber ring, the upper surface of the disc is fixedly installed with a vertical plate close to the left side edge, the upper surface of the vertical plate is fixedly installed with a cylinder, and the upper surface of the cylinder is an open structure, the lower surface of the disc and the upper surface of the cylinder are fixedly installed with rubber rings, and the upper and lower rubber rings are respectively attached to the upper and lower inner walls of the shielding layer.

[0010] Further, the clamping mechanism comprises a second ball screw, a second bearing assembly, a second handle, a second ball nut and a clamp, the second ball screw is provided with two upper and lower mirror images, the second ball screw is installed on the lower side walls of the disc and the cylinder through the second bearing assembly, and is fixedly connected between the upper and lower second ball screws, the second handle is fixedly installed on the end head of the upper surface of the second ball screw located in the cylinder, the second ball screw is provided with a second ball nut, and the right side of the second ball nut is provided with a clamp.

[0011] Further, the outer surface of the second ball nut is a rectangular structure, and the left side of the second ball nut is movably attached to the right side of the vertical plate.

[0012] Further, the limiting mechanism comprises a mounting box, a spring, an insertion block, a sliding block, a rectangular opening and a clamping block, the mounting box is fixedly installed on the front side of the box cover, the insertion block is installed on the upper inner wall of the mounting box through the spring, the front side of the insertion block is fixedly installed with a sliding block, a rectangular opening is formed on the front side wall of the mounting box corresponding to the sliding block, the clamping block is fixedly installed on the front side of the box body corresponding to the insertion block, and the insertion block is movably inserted into the clamping block.

[0013] Compared with the prior art, the utility model provides a radioactive source shielding box, which has the following beneficial effects:

[0014] 1. The radioactive source shielding box, the mounting frame is used for mounting the clamping mechanism, the clamping mechanism clamps and fixes the radioactive source, and the mounting frame is pressed in the placing cavity through the box cover, the clamping and fixing function of the radioactive source is increased, the radioactive source cannot be bumped with the shielding box, and the radioactive source is placed more stably and safely.

[0015] 2. The radioactive source shielding box, the driving mechanism drives the upper surface middle part of the rubber suction cup to move up and down, the box body can be adsorbed on the placing table, the adsorption and fixing function of the shielding box is increased, the shielding box is more stable in the radioactive source access process, the shielding box is prevented from being damaged by being mistakenly bumped and tilted, and use is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a box body sectional view of the utility model;

[0018] Figure 3 It is a mounting frame sectional view of the utility model;

[0019] Figure 4 It is a right view sectional view of the utility model's limiting mechanism.

[0020] In the drawing: 1, box body; 2, partition; 3, placing cavity; 4, mounting cavity; 5, driving mechanism; 501, first ball screw; 502, first bearing assembly; 503, first handle; 504, first ball nut; 505, fixed plate; 506, hinged part; 507, connecting rod; 6, rubber suction cup; 7, mounting frame; 701, disc; 702, vertical plate; 703, cylinder; 704, rubber ring; 8, clamping mechanism; 801, second ball screw; 802, second bearing assembly; 803, second handle; 804, second ball nut; 805, clamp; 9, box cover; 10, shielding layer; 11, limiting mechanism; 111, mounting box; 112, spring; 113, plug block; 114, sliding block; 115, rectangular opening; 116, clamping block. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-4The utility model discloses a radioactive source shielding box, including box body 1, the inner wall of box body 1 is fixedly installed with the baffle 2 close to the lower side position, and the baffle 2 is sequentially separated from top to bottom with box body 1 and is placed cavity 3 and installation cavity 4, be provided with drive mechanism 5 in installation cavity 4, the lower surface of drive mechanism 5 is fixedly installed with rubber suction cup 6, and the upper surface edge of rubber suction cup 6 is fixedly connected with the lateral wall upper surface of box body 1, the installation frame 7 is placed in placed cavity 3, be provided with clamping mechanism 8 on installation frame 7, the upper surface of box body 1 is screwed with box cover 9, and the upper side inner wall of box cover 9 is tightly fixed with the upper surface of installation frame 7, the inner wall of box body 1 and the inner wall of box cover 9 all are provided with shielding layer 10, and the front side of box cover 9 and the front side of box body 1 are provided with limit mechanism 11.

[0023] Specifically, the drive mechanism 5 includes a first ball screw 501, a first bearing assembly 502, a first handle 503, a first ball nut 504, a fixed plate 505, a hinge 506, and a connecting rod 507. The first ball screw 501 is mirror-imaged and arranged on both sides of the box body 1. The first ball screw 501 is installed on the left and right side walls of the box body 1 through the first bearing assembly 502, and is fixedly connected between the left and right first ball screws 501. The first handle 503 is arranged on the end of the first ball screw 501 away from the other. The first ball nut 504 is arranged on the first ball screw 501. The hinge 506 is arranged on the front and back sides of the first ball nut 504 and the upper surface of the fixed plate 505. The connecting rod 507 is connected between the hinges 506. The lower surface of the fixed plate 505 is fixedly connected to the upper surface of the rubber suction cup 6.

[0024] In this embodiment, the first handle 503 drives the left and right first ball screws 501 to rotate synchronously in the left and right first bearing assemblies 502, so that the first ball screw 501 drives the first ball nut 504 to move left and right. The left and right first ball nuts 504 drive the connecting rod 507 to move through the upper hinge 506. The connecting rod 507 drives the fixed plate 505 to move up and down through the lower hinge 506. The fixed plate 505 drives the upper surface of the rubber suction cup 6 to move up and down.

[0025] Specifically, the outer surface of the first ball nut 504 is rectangular, and the upper surface of the first ball nut 504 is movably attached to the lower surface of the baffle 2.

[0026] In this embodiment, the upper surface of the first ball nut 504 can move left and right stably along the lower surface of the baffle 2.

[0027] Specifically, the mounting rack 7 comprises a disc 701, a vertical plate 702, a cylinder 703 and a rubber ring 704, the upper surface of the disc 701 is fixedly installed with the vertical plate 702 close to the left side edge, the upper surface of the vertical plate 702 is fixedly installed with the cylinder 703, and the upper surface of the cylinder 703 is of an open structure, and the lower surface of the disc 701 and the upper surface of the cylinder 703 are both fixedly installed with the rubber ring 704, and the upper and lower rubber rings 704 are respectively attached to the upper and lower inner walls of the shielding layer 10.

[0028] In the embodiment, the disc 701, the vertical plate 702, the cylinder 703 and the rubber ring 704 form the mounting rack 7, so that the mounting rack 7 can be compressed between the box body 1 and the box cover 9, facilitating the installation of the clamping mechanism 8, and the upper surface of the cylinder 703 is higher than the upper surface of the box body 1, facilitating the taking of the mounting rack 7.

[0029] Specifically, the clamping mechanism 8 comprises a second ball screw 801, a second bearing assembly 802, a second handle 803, a second ball nut 804 and a clamp 805, two second ball screws 801 are symmetrically arranged on the upper and lower sides, the second ball screws 801 are respectively installed on the lower side walls of the disc 701 and the cylinder 703 through the second bearing assemblies 802, and are fixedly connected between the upper and lower second ball screws 801, the upper surface of the second ball screw 801 is fixedly installed with the second handle 803 on the end head in the cylinder 703, and the second ball screw 801 is provided with the second ball nut 804, and the right side of the second ball nut 804 is provided with the clamp 805.

[0030] In the embodiment, the second handle 803 drives the upper and lower second ball screws 801 to rotate in the upper and lower second bearing assemblies 802, so that the second ball screws 801 drive the upper and lower second ball nuts 804 to move up and down, and the upper and lower second ball nuts 804 drive the upper and lower clamps 805 to move towards each other, so that the upper and lower clamps 805 clamp and fix the radioactive source.

[0031] Specifically, the outer surface of the second ball nut 804 is of a rectangular structure, and the left side of the second ball nut 804 is movably attached to the right side of the vertical plate 702.

[0032] In the embodiment, the left side of the second ball nut 804 moves up and down along the right side of the vertical plate 702, so that the up and down movement of the second ball nut 804 is more stable.

[0033] Specifically, the limiting mechanism 11 comprises a mounting box 111, a spring 112, an insertion block 113, a sliding block 114, a rectangular opening 115 and a clamping block 116, the mounting box 111 is fixedly installed on the front side of the box cover 9, the insertion block 113 is installed on the upper inner wall of the mounting box 111 through the spring 112, the sliding block 114 is fixedly installed on the front side of the insertion block 113, the rectangular opening 115 is arranged on the front side wall of the corresponding mounting box 111 of the sliding block 114, and the clamping block 116 is fixedly installed on the front side of the box body 1 corresponding to the insertion block 113.

[0034] In the embodiment, the spring 112 pushes the insertion block 113 to move downward, so that the insertion block 113 is inserted into the clamping block 116, the box body 1 is limited relative to the box cover 9, and the box cover 9 cannot be rotated and opened.

[0035] In use, the radioactive source is placed between the upper and lower clamps 805 of the clamping mechanism 8, the second handle 803 drives the upper and lower second ball screw 801 to rotate in the upper and lower second bearing assembly 802, the second ball screw 801 drives the upper and lower second ball nut 804 to move up and down, the second ball nut 804 drives the upper and lower clamps 805 to move towards each other, the upper and lower clamps 805 clamp and fix the radioactive source, the radioactive source is installed on the mounting rack 7, the mounting rack 7 is placed in the placement cavity 3 in the box body 1, and then the box cover 9 is screwed on the upper surface of the box body 1, so that the upper inner wall of the box cover 9 presses the upper surface of the mounting rack 7, the radioactive source is fixed, the shielding layer 10 enables the box body 1 and the box cover 9 to have a shielding function, so that the radioactive source does not collide with the shielding box, and is placed more stably and safely. In the process of storing and taking out the mounting rack 7, the first handle 503 of the driving mechanism 5 drives the left and right first ball screw 501 to rotate synchronously in the left and right first bearing assembly 502, the first ball screw 501 drives the left and right first ball nut 504 to move left and right, the left and right first ball nut 504 drives the upper end of the connecting rod 507 to move through the upper hinge 506, the connecting rod 507 drives the fixed plate 505 to move upward through the lower hinge 506, the fixed plate 505 drives the middle part of the upper surface of the rubber sucker 6 to move upward, and the lower surface of the rubber sucker 6 is in vacuum with the placement table, so that the box body 1 is adsorbed and fixed on the placement table, thereby increasing the adsorption and fixing function of the shielding box itself, making the shielding box more stable during the process of storing and taking out the radioactive source, avoiding being accidentally knocked and damaged, and being convenient to use. When the driving mechanism 5 is reversely operated, the lower surface of the rubber sucker 6 is attached to the placement table, and then the box body 1 can be taken down, so that the box body 1 is conveniently carried and transported.

[0036] In summary, the radioactive source shielding box increases the clamping and fixing function of the radioactive source, and enables the radioactive source to be stably placed in the shielding box through the mounting frame 7, so that the radioactive source does not collide with the shielding box, is more stable, increases the adsorption and fixing function of the shielding box itself, and is more stable during the radioactive source storage and access process, and is beneficial to use.

[0037] 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 modifications can be made to these 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 radioactive source shielding capsule comprising a capsule body (1), characterized in that: The inner wall of the box body (1) is fixedly installed with a partition plate (2) near the lower side, and the partition plate (2) sequentially divides the box body (1) from top to bottom into a placing cavity (3) and a mounting cavity (4), the mounting cavity (4) is provided with a driving mechanism (5), the lower surface of the driving mechanism (5) is fixedly installed with a rubber suction cup (6), and the upper surface edge of the rubber suction cup (6) is fixedly connected with the upper surface of the side wall of the box body (1), the placing cavity (3) is placed with a mounting frame (7), the mounting frame (7) is provided with a clamping mechanism (8), the upper surface of the mounting frame (7) is tightly fixed by the upper inner wall of the box cover (9), the inner walls of the box body (1) and the box cover (9) are both provided with shielding layers (10), and the front side of the box cover (9) and the front side of the box body (1) are provided with a limiting mechanism (11).

2. A radioactive source shielding pod according to claim 1, characterized in that: The driving mechanism (5) comprises first ball screws (501), first bearing assemblies (502), first handles (503), first ball nuts (504), fixed plates (505), hinged pieces (506) and connecting rods (507), two first ball screws (501) are mirror-imaged and arranged, the first ball screws (501) are installed on the left and right side walls of the box body (1) through the first bearing assemblies (502), and the left and right first ball screws (501) are fixedly connected, first handles (503) are arranged on the ends of the first ball screws (501) away from each other, first ball nuts (504) are arranged on the first ball screws (501), hinged pieces (506) are arranged on the front and rear sides of the first ball nuts (504) and the upper surfaces of the fixed plates (505), the hinged pieces (506) are connected through the connecting rods (507), and the lower surface of the fixed plate (505) is fixedly connected with the upper surface of the rubber suction cup (6).

3. A radioactive source shielding pod according to claim 2, characterised in that: The outer surface of the first ball nut (504) is of a rectangular structure, and the upper surface of the first ball nut (504) is movably attached to the lower surface of the partition plate (2).

4. A radioactive source shielding pod according to claim 1, characterized in that: The mounting frame (7) comprises a disc (701), a vertical plate (702), a cylinder (703) and a rubber ring (704), the upper surface of the disc (701) is fixedly installed with a vertical plate (702) near the left edge, the upper surface of the vertical plate (702) is fixedly installed with a cylinder (703), the upper surface of the cylinder (703) is of an opening structure, the lower surface of the disc (701) and the upper surface of the cylinder (703) are both fixedly installed with rubber rings (704), and the upper and lower rubber rings (704) are attached to the upper and lower inner walls of the shielding layer (10) respectively.

5. A radioactive source shielding pod according to claim 1, characterized in that: The clamping mechanism (8) comprises a second ball screw (801), a second bearing assembly (802), a second handle (803), a second ball nut (804) and a clamp (805), two second ball screws (801) are symmetrically arranged on the upper and lower sides, the second ball screws (801) are respectively installed on the lower side walls of the disc (701) and the cylinder (703) through the second bearing assemblies (802), and the upper and lower second ball screws (801) are fixedly connected, the upper surfaces of the second ball screws (801) are fixedly installed with the second handles (803) on the end heads in the cylinder (703), and the second ball nuts (804) are arranged on the second ball screws (801).

6. A radioactive source shielding pod according to claim 5, characterized in that: The outer surface of the second ball nut (804) is of a rectangular structure, and the left side of the second ball nut (804) is movably attached to the right side of the vertical plate (702).

7. A radioactive source shielding pod according to claim 1, characterized by: The limiting mechanism (11) comprises a mounting box (111), a spring (112), an insertion block (113), a sliding block (114), a rectangular opening (115) and a clamping block (116), the mounting box (111) is fixedly installed on the front side of the box cover (9), the insertion block (113) is installed on the upper inner wall of the mounting box (111) through the spring (112), the front side of the insertion block (113) is fixedly installed with the sliding block (114), the front side wall of the corresponding mounting box (111) is provided with the rectangular opening (115), the front side of the corresponding box body (1) of the insertion block (113) is fixedly installed with the clamping block (116), and the insertion block (113) is movably inserted into the clamping block (116).

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