Lead-free X-ray and gamma-ray protective door

Abstract

The utility model relates to the technical field of ray protection, in particular to a lead-free X and gamma ray protective door which comprises a door frame, a door frame and a composite protective plate, the door frame comprises two side plates, a top plate and a doorsill, one ends of the two side plates are fixedly connected with the two ends of the top plate respectively, and the other ends of the two side plates are fixedly connected with the two ends of the doorsill respectively. Composite protection blocks are fixedly embedded in the connecting positions of the side plates, the top plate and the doorsill. One ends of the upper edge and the lower edge of the door frame are rotationally connected with the top plate and the doorsill respectively; two transverse plates are arranged in the middle of the door frame to divide the door frame into a frame opening in the vertical direction, the frame opening is of a hollow structure, and the composite protection plates are arranged on the two faces of the frame opening. A containing opening is formed between the two transverse plates and used for containing a door lock, and baffles are arranged on the two faces of the containing opening respectively. According to the lead-free X-ray and gamma-ray protective door, the weight of the door body can be reduced, the requirement for the installation position is not high, and the installation difficulty is low.

Description

Technical Field

[0001] The utility model relates to the technical field of ray protection, in particular to a lead-free X-ray and gamma-ray protection door. Background Art

[0002] Radiation is a beam of particles or photons with specific energies emitted by various radioactive nuclides, or particles such as atoms, electrons, and neutrons, during the energy exchange process. Common examples include alpha rays, beta rays, gamma rays, X-rays, and neutron rays. X-rays and gamma rays are widely used in medicine and industry due to their strong penetrating power. However, radiation poses a serious threat to human health and the natural environment, so protection is essential to prevent radiation leakage. Currently, protective doors are typically installed to block radiation. However, these doors are typically made of lead, which is heavy and difficult to install. Rails are typically used to support these doors, providing protection and facilitating their opening and closing. The presence of these rails requires space in the wall for these rails, placing certain requirements on the installation location. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a lead-free X-ray and gamma-ray protective door, which can reduce the weight of the door body, has low requirements on the installation location, and is easy to install.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A lead-free X-ray and gamma-ray protective door, comprising a door frame, a door frame and a composite protective plate.

[0006] The door frame includes side panels, a top panel and a threshold. Two side panels are provided, one end of each side panel is fixedly connected to the two ends of the top panel, and the other end of each side panel is fixedly connected to the two ends of the threshold. A composite protective block is fixedly embedded at the connection between the side panel, the top panel and the threshold.

[0007] The door frame is embedded in the door frame, and one end of the upper and lower sides of the door frame are rotatably connected to the top plate and the door sill respectively;

[0008] Two horizontal plates are provided in the middle of the door frame to separate the door frame into a frame opening in the upper and lower directions, and the frame opening is a hollow structure. The composite protective plates are provided on both sides of the frame opening, and the composite protective plates are respectively fixedly connected to the door frame and the corresponding horizontal plates;

[0009] A placement opening is formed between the two horizontal plates for placing a door lock, and baffles are respectively provided on both sides of the placement opening, and the baffles are fixedly connected to the horizontal plates.

[0010] Furthermore, the side panels and the top panel are both recessed with grooves on the side close to the interior of the room, and a composite protective sheet is fixedly arranged in the grooves; the composite protective block is located in the grooves, and the composite protective block is fixedly connected to the composite protective sheets corresponding to the side panels and the top panel.

[0011] Furthermore, a plurality of reinforcing plates are evenly spaced apart on the side of the side panel and the top panel facing away from the portal frame, the reinforcing plates are fixedly connected to the corresponding side panel or the top panel, and the reinforcing plates are located on the side of the composite protective plate facing away from the portal frame.

[0012] Furthermore, the side panels and the reinforcement sheets corresponding to the side panels are provided with mounting holes, and the mounting holes of the side panels and the reinforcement sheets are aligned with each other.

[0013] Furthermore, the four corners of the frame opening are respectively provided with a first flat steel and a second flat steel, the two ends of the first flat steel are respectively fixedly connected to the door frame, and the two ends of the second flat steel are respectively fixedly connected to the door frame and the corresponding transverse plate;

[0014] A third flat steel is fixedly arranged between the two transverse plates.

[0015] Furthermore, the door frame is a T-shaped profile.

[0016] Furthermore, a first door shaft guide block is fixedly provided at one end of the lower side of the door frame, a lower door shaft is embedded in the first door shaft guide block, and a lower shaft seat is provided on the door sill, one end of the lower door shaft is fixedly connected to the first door shaft guide block, and the other end is embedded in the lower shaft seat and rotatably connected to the lower shaft seat;

[0017] A second door shaft guide block is fixedly provided at one end of the upper side of the door frame, an upper door shaft is embedded in the second door shaft guide block, an upper shaft seat is provided on the top plate, one end of the upper door shaft is slidingly connected to the second door shaft guide block, and a spring is provided in the second door shaft guide block, both ends of the spring are respectively in contact with the upper door shaft and the second door shaft guide block, and under the elastic force of the spring, the end of the upper door shaft away from the second door shaft guide block can be embedded in the upper shaft seat and rotatably connected to the upper shaft seat.

[0018] Furthermore, the door frame and the second door axis guide block are both provided with sliding openings aligned with each other, the upper door axis is penetrated by a threaded hole, the threaded hole is provided with a first screw, the first screw slides through the sliding opening and then is threaded into the threaded hole, and the first screw abuts against the second door axis guide block to fix the position of the upper door axis in the second door axis guide block.

[0019] The beneficial effects of the utility model are:

[0020] 1. The door frame is equipped with a hollow opening, which effectively reduces the door frame's weight. The composite shield is a radiation protection composite material containing barium sulfate and rare earth elements, which can block X-rays and gamma rays. With the combined effect of the door frame and the composite shield, the door is lighter than a lead-sheet protective door. This allows the door frame to be supported by the door frame, eliminating the need for a track-based opening and closing structure. This reduces the requirements for the protective door's installation location and effectively reduces the difficulty of installation. Composite shield blocks are installed at the joints between the side panels, top panel, and door sill to prevent radiation leakage through the gaps.

[0021] 2. Since the two ends of the spring are respectively in contact with the upper door shaft and the second door shaft guide block, after the lower door shaft is embedded in the lower shaft seat, the upper door shaft can be completely embedded in the second door shaft guide block by pressing down the upper door shaft. When the second door shaft guide block is aligned with the upper shaft seat, under the elastic force of the spring, the end of the upper door shaft away from the second door shaft guide block can be embedded in the upper shaft seat, thereby completing the installation of the door frame. The first screw provided in the present invention can overcome the elastic force of the spring to fix the upper door shaft in the second door shaft guide block, so that the upper door shaft is fixed in the second door shaft guide block before installation, so that after the second door shaft guide block is aligned with the upper shaft seat, by loosening the first screw, the upper door shaft can be embedded in the upper door shaft under the action of the spring, thereby improving the installation efficiency of the door frame and reducing the installation difficulty of the door frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a lead-free X-ray and gamma-ray protection door according to a preferred embodiment of the present invention.

[0023] Figure 2 The present invention is a schematic diagram of a door frame of a lead-free X-ray and gamma-ray protection door according to a preferred embodiment of the present invention.

[0024] Figure 3 yes Figure 2 Schematic diagram of the structure at point A.

[0025] Figure 4 It is a side view of the door frame of a lead-free X-ray and gamma-ray protection door according to a preferred embodiment of the present invention.

[0026] Figure 5 This is a schematic diagram of the door frame structure of a lead-free X-ray and gamma-ray protection door in a preferred embodiment of the present invention.

[0027] Figure 6 yes Figure 5 side view.

[0028] Figure 7 yes Figure 6 Schematic diagram of the structure at point C.

[0029] Figure 8 yes Figure 5 Cross-sectional view at BB.

[0030] Figure 9 yes Figure 8 Schematic diagram of the structure at D.

[0031] Figure 10 yes Figure 8 Schematic diagram of the structure at E.

[0032] In the figure, 1-door frame, 11-side panel, 111-connecting plate, 12-top plate, 13-sill, 14-composite protective block, 15-composite protective plate, 16-reinforcement plate, 17-mounting hole, 2-door frame, 201-frame opening, 202-placement opening, 21-cross plate, 211-baffle, 221-first flat steel, 222-second flat steel, 223-third flat steel, 3-composite protective plate, 4-first door shaft guide block, 41-lower door shaft, 42-lower shaft seat, 43-second screw, 5-second door shaft guide block, 51-upper door shaft, 511-threaded hole, 52-upper shaft seat, 53-spring, 6-sliding opening, 61-first screw.

[0033] Please also attend Figures 1 to 10 A lead-free X-ray and gamma-ray protection door according to a preferred embodiment of the present invention includes a door frame 1, a door frame 2 and a composite protection plate 3.

[0034] The door frame 1 includes side panels 11, a top panel 12 and a threshold 13. There are two side panels 11. One end of each side panel 11 is fixedly connected to the two ends of the top panel 12, and the other end of each side panel 11 is fixedly connected to the two ends of the threshold 13. A composite protective block 14 is fixedly embedded at the connection between the side panel 11, the top panel 12 and the threshold 13.

[0035] like Figure 1 、 Figure 2 and Figure 3 As shown, the side panels 11 and the top panel 12 are recessed with notches on the side near the interior, and composite protective sheets 15 are fixedly installed in the notches. Composite protective blocks 14 are located in the notches and are fixedly connected to the corresponding composite protective sheets 15 on the side panels 11 and the top panel 12.

[0036] The composite protective plate 3, composite protective block 14, and composite protective sheet 15 of this embodiment are all made of radiation-shielding composite materials containing barium sulfate and rare earth elements, and are conventional. Two composite protective sheets 15 are stacked within each notch. Composite protective blocks 14 are fixedly connected to the side of the composite protective sheet 15 facing the interior. Composite protective blocks 14 are positioned at the joints between the side panels 11 and the top panel 12, and at the bottom of the side panels 11, sealing the joints between the composite protective sheets 15. Composite protective blocks 14 also seal the joints between the side panels 11, the top panel 12, and the door sill 13, effectively preventing radiation leakage.

[0037] like Figure 1 As shown, the door frame 2 is embedded in the door frame 1, and a connecting plate 111 is fixedly provided at the bottom end of one side plate 11. One end of the lower side of the door frame 2 is rotatably connected to the connecting plate 111, and one end of the upper side of the door frame 2 is rotatably connected to the top plate 12. The door frame 2 of this embodiment is a T-shaped material.

[0038] like Figure 5 As shown, two horizontal plates 21 are provided in the middle of the portal frame 2 to separate the portal frame 2 into a frame opening 201 in the upper and lower directions, and the frame opening 201 is a hollow structure. The composite protective plates 3 are provided on both sides of the frame opening 201, and the composite protective plates 3 are fixedly connected to the portal frame 2 and the corresponding horizontal plates 21 respectively.

[0039] A placement opening 202 is formed between the two horizontal plates 21 for placing a door lock 23. Baffles 211 are respectively provided on both sides of the placement opening 202. The baffles 211 are fixedly connected to the horizontal plates 21. In this embodiment, the baffles 211 are made of stainless steel.

[0040] like Figure 5 As shown, the four corners of the frame opening 201 are respectively the first flat steel 221 and the second flat steel 222. The two ends of the first flat steel 221 are respectively fixedly connected to the door frame 2, and the two ends of the second flat steel 222 are respectively fixedly connected to the door frame 2 and the corresponding cross plate 21.

[0041] A third flat steel 223 is fixedly arranged between the two transverse plates 21 .

[0042] Under the action of the first flat steel 221 , the second flat steel 222 and the third flat steel 223 , the structural strength of the portal frame 2 can be improved and the service life of the portal frame 2 can be increased.

[0043] In this embodiment, the door frame 2 is provided with a hollow frame opening 201, which effectively reduces the weight of the door frame 2. At the same time, the composite protective plate 3 is a radiation protection composite material, which can block X-rays and gamma rays and is relatively light in weight. With the joint cooperation of the door frame 2 and the composite protective plate 3, the weight of the door body is lighter than that of the lead plate protective door, so that the door frame 2 can be supported by the door frame 1, and there is no need to adopt a track-type opening and closing structure. By setting a flat-opening protective door, the requirements for the installation position of the protective door are reduced, and the installation difficulty is effectively reduced.

[0044] like Figure 1 、 Figure 2 and Figure 3 As shown, a plurality of reinforcement sheets 16 are evenly spaced apart on the side of the side panels 11 and top panel 12 facing away from the door frame 2. The reinforcement sheets 16 are fixedly connected to the corresponding side panels 11 or top panel 12 and are located on the side of the composite protective sheet 15 facing away from the door frame 2. The reinforcement sheets 16 enhance the structural strength of the door frame 1 and prevent deformation of the door frame 1.

[0045] The side panels 11 and the corresponding reinforcement pieces 16 of the side panels 11 are provided with mounting holes 17, and the mounting holes 17 of the side panels 11 and the reinforcement pieces 16 are aligned with each other. Bolts are inserted into the wall through the mounting holes 17 to fix the door frame 1 in the wall to achieve installation of the door frame 1.

[0046] like Figure 4 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 As shown, a first door axis guide block 4 is fixedly provided at one end of the lower side of the door frame 2, a lower door axis 41 is embedded in the first door axis guide block 4, a lower axis seat 42 is provided on the connecting plate 111, one end of the lower door axis 41 is fixedly connected to the first door axis guide block 4, and the other end is embedded in the lower axis seat 42 and rotatably connected to the lower axis seat 42.

[0047] In this embodiment, the first door shaft guide block 4 and the door frame 2 are provided with a through fixing port, and the fixing port is provided with a second screw 43. The first screw 43 passes through the fixing port to the first door shaft guide block 4 and is threaded into the lower door shaft 41 to fix the lower door shaft 41 in the first door shaft guide block 4.

[0048] like Figure 4 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 10As shown, a second door axis guide block 5 is fixedly provided at one end of the upper side of the door frame 2, an upper door axis 51 is embedded in the second door axis guide block 5, an upper axis seat 52 is provided on the top plate 12, one end of the upper door axis 51 is slidingly connected to the second door axis guide block 5, and a spring 53 is provided in the second door axis guide block 5, both ends of the spring 53 are respectively in contact with the upper door axis 51 and the second door axis guide block 5, and the spring 53 is a compression spring. Under the elastic force of the spring 53, the end of the upper door axis 51 away from the second door axis guide block 5 can be embedded in the upper axis seat 52 and rotatably connected to the upper axis seat 52.

[0049] Since the two ends of the spring 53 are respectively in contact with the upper door shaft 51 and the second door shaft guide block 5, after the lower door shaft 41 is embedded in the lower shaft seat 42, the upper door shaft 51 is pressed down so that the upper door shaft 51 can be completely embedded in the second door shaft guide block 5. When the second door shaft guide block 5 is aligned with the upper shaft seat 52, under the action of the elastic force of the spring 53, the end of the upper door shaft 51 away from the second door shaft guide block 5 can be embedded in the upper shaft seat 52, thereby completing the installation of the door frame 2.

[0050] The door frame 2 and the second door axis guide block 5 are both provided with sliding openings 6 aligned with each other, and the upper door axis 51 is penetrated by a threaded hole 511, and the threaded hole 511 is provided with a first screw 61. The first screw 61 slides through the sliding opening 6 and then threads into the threaded hole 511, and the first screw 61 abuts against the second door axis guide block 5 to fix the position of the upper door axis 51 in the second door axis guide block 5.

[0051] The first screw 61 provided in this embodiment can overcome the elastic force of the spring to fix the upper door shaft 51 in the second door shaft guide block 5, so that the upper door shaft 51 is fixed in the second door shaft guide block 5 before installation, so that after the second door shaft guide block 5 is aligned with the upper shaft seat 52, by loosening the first screw 61, the upper door shaft 51 can be embedded in the upper door shaft 51 under the action of the spring 53, thereby improving the installation efficiency of the door frame 2 and reducing the installation difficulty of the door frame 2.

[0052] The installation process of the door frame 2 of the lead-free X-ray and gamma-ray protection door of this embodiment is as follows:

[0053] The upper door shaft 51 is fully pressed into the second door shaft guide block 5 , and then the first screw 61 is tightened to fix the upper door shaft 51 at its current position in the second door shaft guide block 5 .

[0054] Insert the lower door shaft 41 into the lower shaft seat 42, then align the second door shaft guide block 5 with the upper shaft seat 52, loosen the first screw 61, and under the action of the spring 53, the upper door shaft 51 is embedded into the upper door shaft 51, and finally tighten the first screw 61 to fix the upper door shaft 51 in its current position.

Claims

1. A lead-free X-ray and gamma-ray protective door, characterized in that: It comprises a door frame (1), a door frame (2) and a composite protective plate (3). The door frame (1) comprises a side panel (11), a top panel (12) and a threshold (13), wherein two side panels (11) are provided, one end of each of the side panels (11) is fixedly connected to both ends of the top panel (12), and the other end of each of the side panels (11) is fixedly connected to both ends of the threshold (13), and a composite protective block (14) is fixedly embedded at the connection between the side panel (11), the top panel (12) and the threshold (13); The door frame (2) is embedded in the door frame (1), a connecting plate (111) is fixedly provided at the bottom end of the side plate (11), one end of the lower side of the door frame (2) is rotatably connected to the connecting plate (111), and one end of the upper side of the door frame (2) is rotatably connected to the top plate (12); Two transverse plates (21) are provided in the middle of the door frame (2) to separate the door frame (2) into a frame opening (201) in the upper and lower directions, and the frame opening (201) is a hollow structure. The composite protective plates (3) are provided on both sides of the frame opening (201), and the composite protective plates (3) are respectively fixedly connected to the door frame (2) and the corresponding transverse plates (21); A placement opening (202) is formed between the two transverse plates (21) for arranging a door lock (23). Baffles (211) are respectively arranged on both sides of the placement opening (202), and the baffles (211) are fixedly connected to the transverse plates (21).

2. The lead-free X-ray and gamma-ray protective door according to claim 1, characterized in that: The side panels (11) and the top panel (12) are both provided with recessed notches on one side close to the interior of the room, and a composite protective sheet (15) is fixedly arranged in the notch; the composite protective block (14) is located in the notch, and the composite protective block (14) is fixedly connected to the composite protective sheet (15) corresponding to the side panels (11) and the top panel (12).

3. The lead-free X-ray and gamma-ray protective door according to claim 2, characterized in that: A plurality of reinforcing sheets (16) are evenly spaced apart on one side of the side panel (11) and the top panel (12) facing away from the door frame (2); the reinforcing sheets (16) are fixedly connected to the corresponding side panel (11) or the top panel (12), and the reinforcing sheets (16) are located on the side of the composite protective sheet (15) facing away from the door frame (2).

4. The lead-free X-ray and gamma-ray protective door according to claim 3, characterized in that: The side plate (11) and the reinforcement plate (16) corresponding to the side plate (11) are provided with mounting holes (17) therethrough, and the mounting holes (17) of the side plate (11) and the reinforcement plate (16) are aligned with each other.

5. The lead-free X-ray and gamma-ray protective door according to claim 1, characterized in that: The four corners of the frame opening (201) are respectively provided with a first flat steel (221) and a second flat steel (222), the two ends of the first flat steel (221) are respectively fixedly connected to the door frame (2), and the two ends of the second flat steel (222) are respectively fixedly connected to the door frame (2) and the corresponding transverse plate (21); A third flat steel (223) is fixedly arranged between the two transverse plates (21).

6. The lead-free X-ray and gamma-ray protective door according to claim 1, characterized in that: The door frame (2) is a T-shaped material.

7. The lead-free X-ray and gamma-ray protective door according to claim 1, characterized in that: A first door shaft guide block (4) is fixedly provided at one end of the lower side of the door frame (2), a lower door shaft (41) is embedded in the first door shaft guide block (4), and a lower shaft seat (42) is provided on the connecting plate (111), one end of the lower door shaft (41) is fixedly connected to the first door shaft guide block (4), and the other end is embedded in the lower shaft seat (42) and rotatably connected to the lower shaft seat (42); A second door shaft guide block (5) is fixedly provided at one end of the upper side of the door frame (2), an upper door shaft (51) is embedded in the second door shaft guide block (5), an upper shaft seat (52) is provided on the top plate (12), one end of the upper door shaft (51) is slidably connected to the second door shaft guide block (5), and a spring (53) is provided in the second door shaft guide block (5), both ends of the spring (53) are respectively in contact with the upper door shaft (51) and the second door shaft guide block (5), and under the elastic force of the spring (53), the end of the upper door shaft (51) away from the second door shaft guide block (5) can be embedded in the upper shaft seat (52) and rotatably connected to the upper shaft seat (52).

8. The lead-free X-ray and gamma-ray protective door according to claim 7, characterized in that: The door frame (2) and the second door axis guide block (5) are both provided with sliding openings (6) aligned with each other, the upper door axis (51) is provided with a threaded hole (511), the threaded hole (511) is provided with a first screw (61), the first screw (61) is slid through the sliding opening (6) and then threadedly passed through the threaded hole (511), and the first screw (61) is in contact with the second door axis guide block (5) to fix the position of the upper door axis (51) in the second door axis guide block (5).

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