Radiation protection shielding door sealing device

Abstract

The utility model relates to the technical field of sealing devices, and discloses a radiation protection shielding door sealing device which comprises a shielding door, an installation box is fixedly connected to the outer side of the shielding door, a rotating shaft is movably installed in the installation box, a rotating disc is fixedly connected to one end of the outer side of the rotating shaft, and a first installation groove is formed in the shielding door. And one end of the inner side of the rotating shaft is fixedly connected with a third gear, and the third gear is movably arranged in the first mounting groove. According to the radiation protection shielding door sealing device, the firmer and more durable sealing effect is provided through the arranged sealing frame, the leakage problem caused by aging or deformation of a sealing strip is reduced, a user is allowed to select an operation mode according to the actual situation through the arranged first gear, and the sealing effect is better. And the reliability and continuity of the system are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing device technical field, especially in a kind of radiation protection shielding door sealing device. BACKGROUND

[0002] Radiation protection shielding door is a kind of special door for preventing ionizing radiation (such as X-ray, gamma ray, etc.) penetration. This door is usually installed in the environment that needs to control radiation level, such as hospital's radiotherapy room, nuclear facilities and some industrial sites. In order to ensure that the shielding door can effectively block radiation, the design and material selection of the door are very important, and the sealing device is also a key part to ensure its performance.

[0003] The gap between the door frame and the shielding door is the focus of radiation protection. The existing gap sealing between the door frame and the shielding door is usually carried out by means of adhesive tape and other devices. The adhesive tape is easy to deform, wear and age, which affects the sealing effect. The traditional sliding door sealing device is usually a single driving mode (manual or electric), which lacks flexibility. In the event of power interruption or system failure, the single driving mode may cause the door to fail to operate normally. Therefore, a radiation protection shielding door sealing device is proposed. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of radiation protection shielding door sealing device, solve the existing gap sealing between the door frame and the shielding door is usually carried out by means of adhesive tape and other devices. The adhesive tape is easy to deform, wear and age, which affects the sealing effect. The traditional sliding door sealing device is usually a single driving mode (manual or electric), which lacks flexibility. In the event of power interruption or system failure, the single driving mode may cause the door to fail to operate normally.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of radiation protection shielding door sealing device, including shielding door, the outside of the shielding door is fixedly connected with installation box, the inside of the installation box is movably installed with pivot, the outside one end of the pivot is fixedly connected with rotary disc, the inside of the shielding door is equipped with first installation slot, the inside one end of the pivot is fixedly connected with third gear, the third gear is movably arranged in first installation slot, the upper and lower sides of the third gear are all toothed with second toothed plate, the outside one end of two second toothed plates is fixedly connected with second extrusion block, the two sides of the shielding door are all equipped with fourth installation slot, two second extrusion blocks are movably arranged in two fourth installation slots respectively, the left and right sides of the third gear are all toothed with first toothed plate, the outside one end of two first toothed plates is fixedly connected with first extrusion block, the two sides of the shielding door are all equipped with second installation slot, two first extrusion blocks are movably arranged in two second installation slots respectively.

[0007] Further, the circumference outer surface of the rotating shaft is fixedly sleeved with a first gear, and the first gear is arranged in the mounting box, a second motor is fixedly installed on the outer side of the shielding door, a second gear is fixedly connected to the side output end of the second motor, and the side teeth of the second gear are engaged with the first gear.

[0008] Further, the upper portion of the mounting box is fixedly connected with a hinge, one side of the hinge is fixedly connected with a fixed rod, and a plurality of fixed grooves are equidistantly formed on the circumferential outer side of the rotating disc.

[0009] Further, a third installation groove is formed on the outer side of the shielding door, a sealing frame is movably installed in the third installation groove, a plurality of springs are equidistantly fixedly connected to the inner side of the sealing frame, the inner walls of the third installation groove are fixedly connected to the inner sides of the plurality of springs, second transmission grooves are formed on the upper and lower sides of the sealing frame, and the outer sides of the two first extrusion blocks are movably installed in the two second transmission grooves, respectively.

[0010] Further, two running wheels are equidistantly fixedly connected to the lower portion of the shielding door, and a door frame is arranged on the outer side of the shielding door.

[0011] Further, a first motor is fixedly connected to the inner side of the door frame, a screw rod is fixedly connected to the side output end of the first motor, two sliding tables are equidistantly and threadedly connected to the outer side of the screw rod, and the lower portions of the two sliding tables are fixedly connected to the shielding door.

[0012] Further, a second connecting door is formed on one side of the door frame, a first connecting door is formed on the other side of the door frame, a sealing groove is formed in the inner portion of the door frame and on the outer side of the first connecting door, and one end of the sealing frame is movably installed in the sealing groove.

[0013] Further, a control panel is fixedly connected to the outer side of the door frame, and the control panel is electrically connected to the first motor and the second motor.

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

[0015] 1. This utility model provides a more robust and durable sealing effect through the sealing frame, reducing leakage problems caused by aging or deformation of the sealing strip. By rotating the third gear, the third gear drives the second extrusion block to move through the second toothed plate. The third gear drives the first extrusion block to move through the first toothed plate. The first extrusion block and the second extrusion block squeeze and push the sealing frame to move, so that the sealing frame is inserted into the sealing groove. At the same time, the inner wall of the shielding door and the door frame abuts against each other. The shielding door and the sealing frame work together to seal the first connecting door. Through this setting, a more robust and durable sealing effect is provided, reducing leakage problems caused by aging or deformation of the sealing strip.

[0016] 2. This utility model, through the setting of the first gear, allows users to select the operating mode according to the actual situation, ensuring the reliability and continuity of the system. By starting the second motor, the second motor drives the first gear to rotate through the second gear. The first gear drives the third gear to rotate through the rotating shaft. The third gear further drives the sealing frame to seal. Similarly, the rotating shaft can be driven by the turntable to rotate, and the rotating shaft drives the third gear to move to further achieve sealing. Through this setting, users can select the operating mode according to the actual situation, ensuring the reliability and continuity of the system.

[0017] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the radiation protection shielding door sealing device of this utility model from the first angle.

[0019] Figure 2 This is a schematic diagram of the overall structure of the radiation protection shielding door sealing device of this utility model from a second angle.

[0020] Figure 3 This is a partial structural diagram of the running wheel of a radiation protection shielding door sealing device according to the present invention.

[0021] Figure 4 This is a partial structural diagram of the sealing groove of a radiation protection shielding door sealing device according to the present invention.

[0022] Figure 5 This is a partial structural diagram of the second connecting door of the radiation protection shielding door sealing device of this utility model.

[0023] Figure 6 This is a partial structural diagram of the shielding door of the radiation protection shielding door sealing device of this utility model.

[0024] Figure 7 This is a partial structural diagram of the sealing frame of a radiation protection shielding door sealing device according to the present invention.

[0025] Figure 8 It is third gear part structure schematic view of the utility model of a kind of radiation protection shielding door sealing device.

[0026] In the drawing: 1, shielding door; 2, running wheel; 3, sliding table; 4, screw rod; 5, first motor; 6, door frame; 7, control panel; 8, first connecting door; 9, sealing groove; 10, second connecting door; 11, rotating disc; 12, fixed rod; 13, mounting box; 14, first gear; 15, second motor; 16, second gear; 17, third gear; 18, first toothed plate; 19, first extrusion block; 20, second toothed plate; 21, second extrusion block; 22, first transmission groove; 23, second transmission groove; 24, sealing frame; 25, first installation slot; 26, second installation slot; 27, third installation slot; 28, fixed slot; 29, fourth installation slot. DETAILED DESCRIPTION

[0027] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0028] As Figures 1-8 shown, a kind of radiation protection shielding door sealing device, including shielding door 1, the outside of shielding door 1 is fixedly connected with mounting box 13, rotating shaft is movably installed in the inside of mounting box 13, the outside one end of rotating shaft is fixedly connected with rotating disc 11, the inside of shielding door 1 is set with first installation slot 25, the inside one end of rotating shaft is fixedly connected with third gear 17, third gear 17 is movably arranged in first installation slot 25, the upper and lower sides of third gear 17 are all toothed with second toothed plate 20, the outside one end of two second toothed plates 20 is fixedly connected with second extrusion block 21, the two sides of shielding door 1 are all set with fourth installation slot 29, two second extrusion blocks 21 are movably arranged in two fourth installation slots 29 respectively, the left and right sides of third gear 17 are all toothed with first toothed plate 18, the outside one end of two first toothed plates 18 is fixedly connected with first extrusion block 19, the two sides of shielding door 1 are all set with second installation slot 26, two first extrusion blocks 19 are movably arranged in two second installation slots 26 respectively, by using the above technical scheme, mounting box 13 is installed with limit device, rotating shaft can only rotate when using, and will not produce displacement in other directions;

[0029] The outside of rotating disc 11 is fixedly connected with handle, can be conveniently manually rotating rotating disc 11;

[0030] Limit mechanism is installed in first installation slot 25, can limit second toothed plate 20 and first toothed plate 18, so that second toothed plate 20 and first toothed plate 18 keep toothed with third gear 17.

[0031] AsFigures 6-8 As shown, the first gear 14 is fixedly sleeved on the circumferential outer surface of the rotating shaft, and the first gear 14 is arranged in the mounting box 13. The outer side of the shielding door 1 is fixedly provided with a second motor 15. One side output end of the second motor 15 is fixedly connected with a second gear 16. The second gear 16 is in gear connection with the first gear 14 at one side. Through the above technical scheme, the first gear 14 can be driven to rotate through the second gear 16.

[0032] As shown in the drawings, Figures 1-2 , Figure 8 The upper side of the mounting box 13 is fixedly connected with a hinge. The hinge is fixedly connected with a fixed rod 12 at one side. The circumferential outer side of the rotating disc 11 is equidistantly provided with a plurality of fixed grooves 28. One end of the fixed rod 12 is movably arranged in the adjacent fixed groove 28. Through the above arrangement, when the fixed rod 12 is arranged in the fixed groove 28, the rotating disc 11 can be limited to rotate. The hinge can drive the fixed rod 12 to move, so that the fixed rod 12 is no longer arranged in the fixed groove 28.

[0033] As shown in the drawings, Figures 1-7 The outer side of the shielding door 1 is provided with a third mounting groove 27. The third mounting groove 27 is movably arranged with a sealing frame 24. The inner side of the sealing frame 24 is equidistantly fixedly connected with a plurality of springs. The inner side of the plurality of springs is fixedly connected with the inner wall of the third mounting groove 27. The upper and lower sides of the sealing frame 24 are provided with a second transmission groove 23. The outer side of the two first extrusion blocks 19 is movably arranged in the two second transmission grooves 23, respectively. The left and right sides of the sealing frame 24 are provided with a first transmission groove 22. The outer side of the two second extrusion blocks 21 is movably arranged in the two first transmission grooves 22, respectively. Through the above arrangement, the third mounting groove 27 is arranged with a limiting mechanism, which can prevent the sealing frame 24 from being separated from the third mounting groove 27 during movement.

[0034] When the first extrusion block 19 extrudes and pushes the sealing frame 24 through the second transmission groove 23, and the second extrusion block 21 extrudes and pushes the sealing frame 24 through the first transmission groove 22, the spring is in a stretched state. When the sealing frame 24 is no longer extruded and pushed, the spring is retracted to drive the sealing frame 24 to move, so that one end of the sealing frame 24 is no longer arranged in the sealing groove 9.

[0035] As shown in the drawings, Figures 1-3 The lower side of the shielding door 1 is equidistantly fixedly connected with two running wheels 2. The outer side of the shielding door 1 is provided with a door frame 6. The lower side of the two running wheels 2 abuts against the inner wall of the door frame 6. Through the above arrangement, the shielding door 1 is movably arranged in the door frame 6. The shielding door 1 can move in the door frame 6 through the running wheels 2. When the device fails, the shielding door 1 can be manually pushed to move through the running wheels 2.

[0036] As shown in the drawings, Figures 1-3As shown, the inner side of the door frame 6 is fixedly connected with the first motor 5, one side output end of the first motor 5 is fixedly connected with the screw rod 4, the outer side of the screw rod 4 is equidistantly threadedly connected with two sliding tables 3, the lower side of each of the two sliding tables 3 is fixedly connected with the shielding door 1, through such setting, the first motor 5 can drive the shielding door 1 to move through the screw rod 4 and the sliding table 3.

[0037] As shown, Figures 1-5 As shown, the one side of the door frame 6 is provided with the second connecting door 10, the other side of the door frame 6 is provided with the first connecting door 8, the inner side of the door frame 6 is provided with the sealing groove 9 outside the first connecting door 8, one end of the sealing frame 24 is movably installed in the sealing groove 9, through such setting, the sealing groove 9 is provided with the rubber strip, which can further enhance the sealing effect of the device.

[0038] As shown, Figures 1-8 As shown, the outer side of the door frame 6 is fixedly connected with the control panel 7, the control panel 7 is electrically connected with the first motor 5 and the second motor 15, through such setting, the control panel 7 can control the first motor 5 and the second motor 15.

[0039] It should be noted that, in use, the door frame 6 is installed on the wall, and the external power supply is connected through the control panel 7;

[0040] When the door needs to be opened, the hinge is rotated to drive the fixed rod 12 to move, so that the fixed rod 12 is no longer installed in the fixed groove 28, the second motor 15 is started through the control panel 7, the second motor 15 drives the first gear 14 to rotate through the second gear 16, the first gear 14 can drive the third gear 17 to rotate through the rotating shaft, the third gear 17 drives the second extrusion block 21 to move through the second tooth plate 20, the third gear 17 drives the first extrusion block 19 to move through the first tooth plate 18, until the first extrusion block 19 no longer extrudes and pushes the sealing frame 24 through the second transmission groove 23, and the second extrusion block 21 no longer extrudes and pushes the sealing frame 24 through the first transmission groove 22, the spring is in a stretched state, when the sealing frame 24 is no longer extruded and pushed, the spring is retracted to drive the sealing frame 24 to move, so that one end of the sealing frame 24 is no longer installed in the sealing groove 9;

[0041] At this time, the first motor 5 is started through the control panel 7, the first motor 5 can drive the shielding door 1 to move through the screw rod 4 and the sliding table 3, at the same time, the shielding door 1 moves in the door frame 6 through the running wheel 2, until the shielding door 1 no longer seals the first connecting door 8, at this time, the first connecting door 8 and the second connecting door 10 can be passed through, and the reverse operation can be performed to close the door and seal the shielding.

[0042] When a power failure occurs, the rotating shaft can be rotated through the rotating disc 11 to further realize sealing or unsealing.

[0043] The utility model provides a kind of radiation protection shielding door sealing device, solve the gap sealing between the existing door frame 6 and shielding door 1 is usually carried out by means of adhesive tape etc., adhesive tape is easy to deform wear and age, affect sealing effect, the traditional sliding door sealing device is usually single drive mode manual or electric, lack of flexibility, when power interruption or system failure, single drive mode can lead to the problem that door cannot be normally operated, it is more practical.

[0044] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A radiation protection shield door sealing device comprising a shield door (1), characterized in that: The outer side of the shielding door (1) is fixedly connected with a mounting box (13), a rotating shaft is movably installed in the mounting box (13), one end of the outer side of the rotating shaft is fixedly connected with a rotating disc (11), the inside of the shielding door (1) is provided with a first mounting groove (25), one end of the inner side of the rotating shaft is fixedly connected with a third gear (17), the third gear (17) is movably arranged in the first mounting groove (25), the upper and lower sides of the third gear (17) are both toothedly connected with a second toothed plate (20), the outer side of both the second toothed plates (20) is fixedly connected with a second extrusion block (21), both sides of the shielding door (1) are provided with a fourth mounting groove (29), both the second extrusion blocks (21) are movably arranged in the fourth mounting grooves (29), the left and right sides of the third gear (17) are both toothedly connected with a first toothed plate (18), the outer side of both the first toothed plates (18) is fixedly connected with a first extrusion block (19), both sides of the shielding door (1) are provided with a second mounting groove (26), both the first extrusion blocks (19) are movably arranged in the second mounting grooves (26).

2. A radiation shielding door seal apparatus as defined in claim 1, wherein: The circumferential outer surface of the rotating shaft is fixedly sleeved with a first gear (14), and the first gear (14) is arranged in the mounting box (13), the outer side of the shielding door (1) is fixedly installed with a second motor (15), one side output end of the second motor (15) is fixedly connected with a second gear (16), one side of the second gear (16) is toothed with the first gear (14).

3. A radiation shielding door seal apparatus as defined in claim 2, wherein: The upper side of the mounting box (13) is fixedly connected with a hinge, one side of the hinge is fixedly connected with a fixed rod (12), the circumferential outer side of the rotating disc (11) is equidistantly provided with a plurality of fixed grooves (28), one end of the fixed rod (12) is movably installed in the adjacent fixed groove (28).

4. A radiation shielding portal seal apparatus as defined in claim 3, wherein: The outer side of the shielding door (1) is provided with a third mounting groove (27), the third mounting groove (27) movably installs a sealing frame (24), the inner side of the sealing frame (24) is equidistantly fixedly connected with a plurality of springs, the inner side of the plurality of springs is fixedly connected with the inner wall of the third mounting groove (27), the upper and lower sides of the sealing frame (24) are both provided with a second transmission groove (23), the outer side of both the first extrusion blocks (19) is movably installed in the second transmission grooves (23), the left and right sides of the sealing frame (24) are both provided with a first transmission groove (22), the outer side of both the second extrusion blocks (21) is movably installed in the first transmission grooves (22).

5. A radiation shielding portal seal apparatus as defined in claim 4, wherein: The lower side of the shielding door (1) is equidistantly fixedly connected with two running wheels (2), the outer side of the shielding door (1) is provided with a door frame (6), the lower side of both the running wheels (2) abuts against the inner wall of the door frame (6).

6. A radiation shielding portal seal apparatus as defined in claim 5, wherein: The inner side of the door frame (6) is fixedly connected with a first motor (5), one side output end of the first motor (5) is fixedly connected with a screw rod (4), the outer side of the screw rod (4) is equidistantly and threadedly connected with two sliding tables (3), and the lower sides of the two sliding tables (3) are fixedly connected with shielding doors (1).

7. A radiation shielding portal seal apparatus as defined in claim 6, wherein: One side of the door frame (6) is provided with a second connecting door (10), the other side of the door frame (6) is provided with a first connecting door (8), the inside of the door frame (6) is provided with a sealing groove (9) outside the first connecting door (8), and one end of the sealing frame (24) is movably installed in the sealing groove (9).

8. A radiation shielding portal seal apparatus as defined in claim 7, wherein: The outer side of the door frame (6) is fixedly connected with a control panel (7), and the control panel (7) is electrically connected with the first motor (5) and the second motor (15).

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