Disinfection and dust prevention device for scanning cavity of CT (computed tomography) equipment in radiology department

Abstract

The invention discloses a disinfection and dust prevention device for a scanning cavity of CT equipment in the radiology department. The disinfection and dust prevention device comprises a main frame body, a rotary driving device and a cleaning device, the main frame body is provided with a mounting part; the rotary driving device is arranged on the main frame body; the cleaning device comprises a mounting lantern ring, a diameter adjusting device and a dust sweeping structure; the mounting lantern ring is rotationally connected to the mounting part in a sleeving mode, the mounting lantern ring is connected with the output end of the rotary driving device, and the mounting lantern ring can rotate along with the output end of the rotary driving device; the hinged end of the dust sweeping structure is hinged to the mounting lantern ring, so that the dust sweeping structure can swing relative to the mounting lantern ring; and the diameter adjusting device is in driving connection with the working end of the dust sweeping structure, so that the working end of the dust sweeping structure can be close to or far away from the mounting lantern ring, the diameter of the cleaning device is changed, and the cleaning device is adaptive to CT equipment scanning cavities with different diameters.

Description

Technical Field

[0001] This invention relates to the field of technology, and more particularly to a device for disinfecting and preventing dust from entering the scanning cavity of a radiology CT scanner. Background Technology

[0002] During continuous patient examinations, the scanning cavity of CT equipment faces the risks of cross-infection from airborne droplets or contact, as well as the accumulation of foreign objects such as dust or hair, which can affect image quality and the lifespan of the equipment.

[0003] The cleaning device of a CT scanner cavity disinfection and dust prevention device in the prior art cannot be adjusted, which makes it unable to adapt to CT scanner cavities of different diameters and results in low cleaning efficiency. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the purpose of this invention is to provide a disinfection and dust prevention device for the scanning cavity of a radiology CT equipment, the cleaning device of which can be adapted to the scanning cavity of CT equipment with different diameters.

[0005] The objective of this invention is achieved by the following technical solution: a dustproof and disinfection device for the scanning cavity of a radiology CT equipment, comprising: a main frame, a rotation drive device, and a cleaning device;

[0006] The main frame is equipped with a mounting section;

[0007] The rotary drive device is mounted on the main frame.

[0008] The cleaning device includes a mounting collar, a diameter adjustment device, and a dust removal structure. The mounting collar is rotatably sleeved on the mounting part and connected to the output end of the rotary drive device. The mounting collar can rotate with the output end of the rotary drive device. The hinged end of the dust removal structure is hinged to the mounting collar, so that the dust removal structure can swing relative to the mounting collar. The diameter adjustment device drives the working end of the dust removal structure, so that the working end of the dust removal structure can move closer to or further away from the mounting collar.

[0009] Furthermore, the mounting collar is provided with an annular receiving groove, which is arranged along the circumference of the mounting collar and is recessed inward from the outer wall of the mounting collar; the hinged end of the dust removal structure is hinged to the inner wall of the annular receiving groove; the diameter adjustment device is installed in the annular receiving groove and drives the working end connected to the dust removal structure so that the working end of the dust removal structure can enter and exit the annular receiving groove.

[0010] Furthermore, the diameter adjustment device includes a drive collar, a linkage rod, and an elastic locking device; the drive collar is slidably nested within the annular receiving groove; the opposite ends of the linkage rod are respectively hinged to the drive collar and the working end of the dust removal structure, so that the working end of the dust removal structure can be driven into and out of the annular receiving groove through the drive collar; the elastic locking device is disposed on the drive collar, and the elastic locking device is used to limit the relative sliding between the drive collar and the annular receiving groove.

[0011] Furthermore, the annular receiving groove is provided with a clearance groove, which extends circumferentially along the annular receiving groove and is recessed inward from the bottom wall of the annular receiving groove; the elastic locking device includes an elastic upright plate and a rigid abutment upright plate; the elastic upright plate is disposed on the inner annular wall of the driving collar, and multiple elastic upright plates are provided, which are distributed at intervals along the circumference of the driving collar; the rigid abutment upright plate is disposed on the bottom wall of the clearance groove, and multiple rigid abutment upright plates are provided, which are distributed at intervals along the circumference of the clearance groove to form multiple limiting grooves; each elastic upright plate is respectively accommodated in one of the limiting grooves to restrict the natural relative sliding between the driving collar and the annular receiving groove.

[0012] Furthermore, the dust removal structure is provided in multiple ways, and the multiple dust removal structures are distributed at intervals along the circumference of the drive collar; the linkage rod is provided in multiple ways, and the multiple linkage rods are distributed at intervals along the circumference of the drive collar, and are hinged to the working end of one of the dust removal structures.

[0013] Furthermore, the main frame includes:

[0014] A support frame for supporting the ground, the support frame being equipped with a linear drive device;

[0015] A vacuuming device, which is mounted on the support frame and coaxially arranged with the cleaning device; and

[0016] A structural connecting ring is slidably inserted into the outer wall of the vacuum cleaner and connected to the output end of the linear drive device, so that the structural connecting ring can move closer to or further away from the vacuum cleaner; the rotary drive device and the mounting part are both located on the structural connecting ring.

[0017] Furthermore, the mounting part is an annular guide groove, which is recessed inward from the outer ring wall of the structural connecting ring and extends along the circumference of the structural connecting ring; the mounting collar is rotatably nested in the annular guide groove, and the output end of the rotary drive device drives the mounting collar so that the mounting collar can rotate relative to the annular guide groove.

[0018] Furthermore, the structural connecting ring is provided with a receiving cavity, the outlet of which is connected to the annular guide groove; the rotary drive device is installed in the receiving cavity; the inner ring wall of the mounting collar is provided with an annular gear rack; the rotary drive device includes a drive gear and a rotary drive motor; the drive gear is pivotally connected to the inner wall of the receiving cavity and meshes with the annular gear rack; the rotary drive motor is installed on the outer wall of the structural connecting ring and drives the drive gear.

[0019] Furthermore, the accommodating cavity is provided in multiple ways, and the multiple accommodating cavities are distributed at intervals along the circumference of the structural connecting ring; the driving gear is provided in multiple ways, and each driving gear is pivotally connected to the inner wall of one of the accommodating cavities, and the multiple driving gears mesh with the same annular gear rack; the rotary drive motor is provided in multiple ways, and each rotary drive motor drives and connects to one of the driving gears.

[0020] Furthermore, the main frame also includes an ultraviolet lamp; the ultraviolet lamp is disposed within the structural connecting ring and is detachably mounted on the working end face of the vacuuming device.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] 1. The cleaning device includes a mounting collar, a diameter adjustment device, and a dust removal structure. The mounting collar is rotatably sleeved on the mounting part and connected to the output end of the rotary drive device. The mounting collar can rotate with the output end of the rotary drive device. The hinged end of the dust removal structure is hinged to the mounting collar, allowing the dust removal structure to swing relative to the mounting collar. The diameter adjustment device drives the working end of the dust removal structure, allowing the working end of the dust removal structure to move closer to or further away from the mounting collar. It can be understood that the diameter adjustment device can change the swing amplitude of the dust removal structure, thereby changing the cleaning diameter of the cleaning device. Obviously, with this configuration, the dust removal structure can change its furthest reach distance through the diameter adjustment device, thereby adapting to CT scanner cavities of different diameters and improving its cleaning efficiency.

[0023] 2. The main frame is provided with an installation part and a rotary drive device; it can be understood that the cleaning device is detachably installed on the installation part so that the user can disassemble and assemble the cleaning device for cleaning; in addition, the rotary drive device can be selected from equipment such as gears, conveyor belts, hydraulic motors and electric motors. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a disinfection and dust prevention device for the scanning cavity of a radiology CT equipment according to the present invention;

[0025] Figure 2 for Figure 1 The diagram shows a structural schematic of a dust removal and disinfection device for the scanning cavity of a CT scanner, wherein the dust removal structure is in an extended state.

[0026] Figure 3 for Figure 1 An exploded view of a dustproof and disinfection device for the scanning cavity of a radiology CT scanner.

[0027] In the diagram: 1. Main frame; 101. Mounting section; 102. Support frame; 103. Linear drive device; 104. Dust collection device; 105. Structural connecting ring; 106. Accommodating cavity; 107. Ultraviolet lamp; 2. Rotary drive device; 201. Drive gear; 202. Rotary drive motor; 3. Cleaning device; 301. Mounting collar; 302. Dust removal structure; 303. Annular accommodating groove; 304. Avoidance groove; 305. Annular gear rack; 4. Diameter adjustment device; 401. Drive collar; 402. Linkage rod; 5. Elastic locking device; 501. Elastic upright plate; 502. Hard abutment upright plate; 503. Limiting groove. Detailed Implementation

[0028] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] It should be noted that when an element is described as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is described as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] See Figures 1-3 A preferred embodiment of the present invention provides a disinfection and dust prevention device for the scanning cavity of a radiology CT equipment, comprising: a main frame 1, a rotation drive device 2, and a cleaning device 3;

[0032] The main frame 1 is provided with a mounting part 101; it can be understood that the cleaning device 3 is detachably mounted on the mounting part 101 so that the user can disassemble and assemble the cleaning device 3 for cleaning.

[0033] The rotary drive device 2 is mounted on the main frame 1; the rotary drive device 2 can be selected from equipment such as gears, conveyor belts, hydraulic motors, and electric motors;

[0034] The cleaning device 3 includes a mounting collar 301, a diameter adjustment device 4, and a dust removal structure 302. The mounting collar 301 is rotatably sleeved on the mounting part 101 and connected to the output end of the rotary drive device 2. The mounting collar 301 can rotate with the output end of the rotary drive device 2. The hinged end of the dust removal structure 302 is hinged to the mounting collar 301, so that the dust removal structure 302 can swing relative to the mounting collar 301. The diameter adjustment device 4 drives the working end of the dust removal structure 302, so that the working end of the dust removal structure 302 can move closer to or further away from the mounting collar 301. It can be understood that the diameter adjustment device 4 can change the swing amplitude of the dust removal structure 302, thereby changing the cleaning diameter of the cleaning device 3. Obviously, with this configuration, the dust removal structure 302 can change its farthest reach distance through the diameter adjustment device 4, thereby adapting to the scanning cavity of CT equipment with different diameters and improving its cleaning efficiency.

[0035] In use, the user must first push the CT scanner cavity disinfection and dust prevention device to the CT scanner to be cleaned and place the cleaning device 3 inside its scanning cavity. At this time, the user needs to use the diameter adjustment device 4 to adjust the swing amplitude of the working end of the dust removal structure 302 so that it fits as closely as possible to the inner wall of the CT scanner cavity. After adjustment, the user should start the rotation drive device 2 to drive the mounting collar 301 to rotate. At this time, the dust removal structure 302 follows the mounting collar 301 in a circular motion to remove the dust adhering to the scanning cavity. After cleaning, the user should use the diameter adjustment device 4 again to retrieve the dust removal structure 302 and return the CT scanner cavity disinfection and dust prevention device to its original position to complete the cleaning.

[0036] The rotary drive device 2 is mounted on the main frame 1; the rotary drive device 2 can be selected from equipment such as gears, conveyor belts, hydraulic motors, and electric motors;

[0037] The cleaning device 3 includes a mounting collar 301, a diameter adjustment device 4, and a dust removal structure 302. The mounting collar 301 is rotatably sleeved on the mounting part 101 and connected to the output end of the rotary drive device 2. The mounting collar 301 can rotate with the output end of the rotary drive device 2. The hinged end of the dust removal structure 302 is hinged to the mounting collar 301, so that the dust removal structure 302 can swing relative to the mounting collar 301. The diameter adjustment device 4 drives the working end of the dust removal structure 302, so that the working end of the dust removal structure 302 can move closer to or further away from the mounting collar 301. It can be understood that the diameter adjustment device 4 can change the swing amplitude of the dust removal structure 302, thereby changing the cleaning diameter of the cleaning device 3. Obviously, with this configuration, the dust removal structure 302 can change its farthest reach distance through the diameter adjustment device 4, thereby adapting to the scanning cavity of CT equipment with different diameters and improving its cleaning efficiency.

[0038] See Figure 3Preferably, the mounting collar 301 is provided with an annular receiving groove 303, which is arranged circumferentially along the mounting collar 301 and is recessed inward from the outer wall of the mounting collar 301; the hinge end of the dust removal structure 302 is hinged to the inner wall of the annular receiving groove 303; the diameter adjustment device 4 is installed in the annular receiving groove 303 and drives the working end of the dust removal structure 302 so that the working end of the dust removal structure 302 can enter and exit the annular receiving groove 303; it can be understood that the purpose of setting the annular receiving groove 303 is to simplify the maximum diameter of the cleaning device 3 in the stored state, so that the cleaning device 3 can be placed into a scanning cavity with a smaller diameter, thereby further expanding the adaptability range of the CT scanning cavity of the radiology CT equipment scanning cavity disinfection and dust prevention device.

[0039] See Figure 3 Preferably, the diameter adjustment device 4 includes a drive collar 401, a linkage rod 402, and an elastic locking device 5; the drive collar 401 is slidably nested within the annular receiving groove 303; the opposite ends of the linkage rod 402 are respectively hinged to the drive collar 401 and the working end of the dust removal structure 302, so that the working end of the dust removal structure 302 can be driven into and out of the annular receiving groove 303 by the drive collar 401; the elastic locking device 5 is disposed on the drive collar 401, and the elastic locking device 5 is used to restrict the drive collar 401. The relative sliding between 01 and the annular receiving groove 303; obviously, when the user needs to adjust the swing amplitude of the working end of the dust removal structure 302, he only needs to rotate the drive collar 401 to drive the linkage rod 402 to push the working end of the dust removal structure 302 to the outside of the annular receiving groove 303, so that the working end of the dust removal structure 302 is as close as possible to the inner wall of the scanning cavity; after the adjustment is completed, the drive collar 401 is stopped by the elastic locking device 5; it can be understood that the elastic locking device 5 can be selected from components such as silicone pads, springs and compression springs.

[0040] See Figure 3Preferably, the annular receiving groove 303 is provided with a clearance groove 304, which extends circumferentially along the annular receiving groove 303 and is recessed inward from the bottom wall of the annular receiving groove 303; the elastic locking device 5 includes an elastic upright plate 501 and a rigid abutment upright plate 502; the elastic upright plate 501 is disposed on the inner annular wall of the driving collar 401, and multiple elastic upright plates 501 are provided, which are distributed at intervals along the circumference of the driving collar 401; the rigid abutment upright plate 502 is disposed in the clearance groove 304. The bottom wall of the groove 4 has multiple rigid abutment plates 502, which are distributed circumferentially along the avoidance groove 304 to form multiple limiting grooves 503. Each elastic plate 501 is respectively housed in one of the limiting grooves 503 to limit the natural relative sliding between the drive collar 401 and the annular receiving groove 303. Obviously, when the user needs to adjust the swing amplitude of the dust removal structure 302, he / she only needs to pry the dust removal structure 302 apart by hand. This design not only reduces the time spent on adjustment, but also makes the overall structure more compact.

[0041] See Figure 3 Preferably, multiple dust removal structures 302 are provided, and the multiple dust removal structures 302 are distributed at intervals along the circumference of the drive collar 401; multiple linkage rods 402 are provided, and the multiple linkage rods 402 are distributed at intervals along the circumference of the drive collar 401, and are hinged to the working end of one of the dust removal structures 302; it can be understood that multiple dust removal structures 302 can expand the cleaning area of ​​the cleaning device 3, thereby improving the cleaning efficiency of the radiology CT equipment scanning cavity disinfection and dust prevention device.

[0042] See Figures 1-3 Preferably, the main frame 1 includes:

[0043] The support frame 102 is used to support the ground and is equipped with a linear drive device 103. The support frame 102 may be equipped with multiple casters to facilitate the user's movement of the scanning cavity disinfection and dust prevention device for a radiology CT equipment. In addition, the support frame 102 may also have a height adjustment function so that the cleaning device 3 can be adapted to CT equipment of different heights. The linear drive device 103 may be selected from components such as electric push rods and hydraulic cylinders.

[0044] A dust collection device 104 is mounted on the support frame 102 and is coaxially arranged with the cleaning device 3. The dust collection device 104 is used to absorb the dust swept down by the cleaning device 3 to guide the dust and prevent it from flying.

[0045] A structural connecting ring 105 is slidably inserted into the outer wall of the dust collection device 104. The structural connecting ring 105 is connected to the output end of the linear drive device 103, so that the structural connecting ring 105 can move closer to or further away from the dust collection device 104. The rotary drive device 2 and the mounting part 101 are both located on the structural connecting ring 105. It can be understood that the structural connecting ring 105 is driven by the linear drive device 103 and has a tendency to move along the width direction of the mounting collar 301. With this configuration, the cleaning device 3 can penetrate deep into the scanning cavity of the CT equipment to remove dust, thereby further improving the cleaning efficiency.

[0046] See Figure 3 Preferably, the mounting portion 101 is an annular guide groove, which is recessed inward from the outer ring wall of the structural connecting ring 105 and extends along the circumference of the structural connecting ring 105; the mounting collar 301 is rotatably nested in the annular guide groove, and the output end of the rotary drive device 2 drives and connects to the mounting collar 301 so that the mounting collar 301 can rotate relative to the annular guide groove; obviously, the annular guide groove is used to make the overall structure of the drive device more compact to ensure the stability of the drive.

[0047] See Figure 3 Preferably, the structural connecting ring 105 is provided with a receiving cavity 106, and the outlet of the receiving cavity 106 is connected to the annular guide groove; the rotary drive device 2 is installed in the receiving cavity 106; the inner ring wall of the mounting collar 301 is provided with an annular gear rack 305; the rotary drive device 2 includes a drive gear 201 and a rotary drive motor 202; the drive gear 201 is pivotally connected to the inner wall of the receiving cavity 106 and meshes with the annular gear rack 305; the rotary drive motor 202 is installed on the outer wall of the structural connecting ring 105 and drives the drive gear 201; obviously, the drive gear 201 is housed in the receiving cavity 106 to make the overall structure more compact, so as to avoid the drive gear 201 and the annular gear rack 305 from disengaging during operation.

[0048] See Figure 3Preferably, multiple accommodating cavities 106 are provided, and the multiple accommodating cavities 106 are distributed at intervals along the circumference of the structural connecting ring 105; multiple driving gears 201 are provided, and each driving gear 201 is pivotally connected to the inner wall of one of the accommodating cavities 106, and the multiple driving gears 201 mesh with the same annular gear rack 305; multiple rotary drive motors 202 are provided, and each rotary drive motor 202 drives and connects to one of the driving gears 201; obviously, this arrangement is to balance the forces on each point of the mounting collar 301, so as to improve the driving force on the mounting collar 301 and ensure its driving stability.

[0049] See Figures 1-3 Preferably, the main frame 1 further includes an ultraviolet lamp 107; the ultraviolet lamp 107 is disposed in the structural connecting ring 105 and detachably installed on the working end face of the vacuuming device 104; the ultraviolet lamp 107 is used for sterilization and disinfection after the cleaning work is completed.

[0050] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0052] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this application, and these should all be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A radiology CT device scan chamber disinfecting and dust prevention device, characterized in that, The utility model relates to a dust cleaning device, including: a main frame (1) provided with a mounting portion (101); a rotary drive device (2) arranged on the main frame (1); and a cleaning device (3) including a mounting collar (301), a diameter adjusting device (4) and a dust cleaning structure (302); the mounting collar (301) is rotatably sleeved on the mounting portion (101), the mounting collar (301) is connected to the output end of the rotary drive device (2), and the mounting collar (301) can rotate with the output end of the rotary drive device (2); the hinged end of the dust cleaning structure (302) is hinged to the mounting collar (301), so that the dust cleaning structure (302) can swing relative to the mounting collar (301); the working end of the dust cleaning structure (302) is drivenly connected to the diameter adjusting device (4), so that the working end of the dust cleaning structure (302) can be close to or away from the mounting collar (301).

2. The radiology CT device scanning chamber disinfecting and dustproof device according to claim 1, characterized in that, The mounting collar (301) is provided with an annular accommodating groove (303) arranged along the circumference of the mounting collar (301), and the annular accommodating groove (303) is recessed inward from the outer wall of the mounting collar (301); the hinged end of the dust cleaning structure (302) is hinged to the inner wall of the annular accommodating groove (303); the diameter adjusting device (4) is installed in the annular accommodating groove (303) and is drivingly connected to the working end of the dust cleaning structure (302), so that the working end of the dust cleaning structure (302) can enter and exit the annular accommodating groove (303).

3. The CT device scanning chamber disinfecting and dustproof device according to claim 2, characterized in that, The diameter adjusting device (4) includes a driving collar (401), a linkage rod (402) and an elastic locking device (5); the driving collar (401) is slidably nested in the annular accommodating groove (303); opposite ends of the linkage rod (402) are respectively hinged to the driving collar (401) and the working end of the dust cleaning structure (302), so that the working end of the dust cleaning structure (302) can be driven to enter and exit the annular accommodating groove (303) by the driving collar (401); the elastic locking device (5) is arranged on the driving collar (401), and the elastic locking device (5) is used for limiting the relative sliding between the driving collar (401) and the annular accommodating groove (303).

4. The CT device scanning chamber disinfecting and dustproofing device according to claim 3, characterized in that, The annular accommodating groove (303) is provided with an avoiding groove (304) extending along the circumference of the annular accommodating groove (303), and the avoiding groove (304) is recessed inward from the bottom wall of the annular accommodating groove (303); the elastic locking device (5) comprises elastic vertical plates (501) and hard abutting vertical plates (502); the elastic vertical plates (501) are arranged on the inner ring wall of the driving sleeve ring (401), and a plurality of the elastic vertical plates (501) are distributed at intervals along the circumference of the driving sleeve ring (401); the hard abutting vertical plates (502) are arranged on the groove bottom wall of the avoiding groove (304), and a plurality of the hard abutting vertical plates (502) are distributed at intervals along the circumference of the avoiding groove (304) to form a plurality of limiting grooves (503); each of the elastic vertical plates (501) is accommodated in one of the limiting grooves (503) to limit the natural relative sliding between the driving sleeve ring (401) and the annular accommodating groove (303).

5. The CT device scanning chamber disinfecting and dustproofing device according to claim 3, characterized in that, The dust sweeping structure (302) is provided with a plurality of dust sweeping structures (302) distributed at intervals along the circumference of the driving sleeve ring (401); the linkage rod (402) is provided with a plurality of linkage rods (402) distributed at intervals along the circumference of the driving sleeve ring (401) and hinged to the working end of one of the dust sweeping structures (302).

6. The radiology CT device scan chamber disinfecting and dust preventing device according to claim 1, characterized in that, The main frame body (1) comprises: a support frame (102) for supporting the ground, the support frame (102) being provided with a linear driving device (103); a dust suction device (104) mounted on the support frame (102) and coaxially arranged with the sweeping device (3); and a structure connecting ring (105) slidingly inserted into the outer wall of the dust suction device (104), the structure connecting ring (105) being connected to the output end of the linear driving device (103) so that the structure connecting ring (105) can be close to or away from the dust suction device (104); the rotary driving device (2) and the mounting portion (101) are both arranged on the structure connecting ring (105).

7. The CT device scanning chamber disinfecting and dustproofing device according to claim 6, characterized in that, The mounting portion (101) is an annular guide groove recessed inward from the outer ring wall of the structure connecting ring (105) and extending along the circumference of the structure connecting ring (105); the mounting sleeve ring (301) is rotationally nested in the annular guide groove, and the output end of the rotary driving device (2) is drivingly connected to the mounting sleeve ring (301) so that the mounting sleeve ring (301) can rotate relative to the annular guide groove.

8. The CT device scanning chamber disinfecting and dustproofing device according to claim 7, characterized in that, The structure connecting ring (105) is provided with a containing cavity (106), an outlet of the containing cavity (106) is communicated to the annular guide groove; the rotary driving device (2) is installed in the containing cavity (106); an inner ring wall of the mounting sleeve ring (301) is provided with an annular gear strip (305); the rotary driving device (2) comprises a driving gear (201) and a rotary driving motor (202); the driving gear (201) is pivoted to an inner wall of the containing cavity (106) and is engaged with the annular gear strip (305); the rotary driving motor (202) is installed on an outer wall of the structure connecting ring (105) and is drivingly connected with the driving gear (201).

9. The CT device scanning chamber disinfecting and dust preventing device according to claim 8, wherein, The containing cavity (106) is provided with a plurality of containing cavities (106), the plurality of containing cavities (106) are distributed along the circumference of the structure connecting ring (105) at intervals; the driving gear (201) is provided with a plurality of driving gears (201), each driving gear (201) is pivoted to an inner wall of one of the containing cavities (106), and the plurality of driving gears (201) are engaged with the same annular gear strip (305); the rotary driving motor (202) is provided with a plurality of rotary driving motors (202), each rotary driving motor (202) is drivingly connected with one of the driving gears (201).

10. The CT device scanning chamber disinfecting and dust preventing device according to claim 6, wherein, The main frame body (1) further comprises an ultraviolet lamp (107); the ultraviolet lamp (107) is arranged in the structure connecting ring (105) and is detachably installed on a working end face of the dust suction device (104).

Images