CN211049402U - Track type oral CT device - Google Patents

Abstract

The utility model discloses a rail mounted oral cavity CT device, including circular track, ball slider, the rotator, the bulb subassembly, motor element and detector assembly, circular track is equipped with the rack, ball slider and circular track sliding fit are passed through at the both ends at rotator top and are connected, the center of rotator and circular orbital center are located same center axis, motor element installs on the rotator, and motor element's drive end is equipped with and is used for with rack toothing driven gear, motor element is used for driving the rotator and rotates along circular track, the one end of rotator is located to the bulb subassembly, the other end of rotator is located to the detector assembly, and the bulb subassembly sets up with the detector assembly relatively. The track type oral CT device has the advantages of simple structure, stable movement and low manufacturing cost.

Description

Track type oral CT device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a rail mounted oral cavity CT device.

Background

With the development of modern medical instrument technology, new diagnostic technology is emerging continuously, and a plurality of powerful tools are provided for diagnosing oral diseases. In the field of X-ray diagnosis, there are oral dental machine, oral panoramic machine, oral CT machine, etc., among which the diagnosis with oral CT machine is the most accurate. Oral cavity CT mainly includes that the part has the ray source, detector and rotating mechanical structure etc, for the convenience oral cavity CT machine shoots the formation of image, equipment is in the course of the work, the rotary rod of machine mainly adopts sprocket chain subassembly to drive rotary mechanism and realizes the machine rotation function, its shortcoming is that the chain manufacturing accuracy is high, the processing cost is high, need overspeed device tensioner to guarantee the tensile force of chain, long-time operation can arouse the chain wearing and tearing simultaneously, thereby cause and drop or the fracture, the motion stationarity is poor, lead to the rotary rod operation shake, therefore the image that causes the shooting is fuzzy. In addition, a rotating rod transmission scheme adopts synchronous belt wheel transmission, and has the defects of large external installation size, inaccurate transmission ratio, easy occurrence of slipping phenomenon and uneven transmission speed. The other mechanism is that a speed change gear box drives a rocker arm to rotate, so that the photographing function of the oral cavity CT machine is realized. However, these are expensive to manufacture and difficult to install.

The mechanism for realizing the rotation of the rocker arm of the CT machine is complex, the manufacturing difficulty is high, the required matching degree of each component is high in the operation process, and the manufacturing cost is also high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a track type oral CT device which moves stably.

The purpose of the utility model is realized by adopting the following technical scheme:

the track type oral CT device comprises a circular track, a ball sliding block, a rotating body, a bulb tube assembly, a motor assembly and a detector assembly, wherein the circular track is provided with a rack, two ends of the top of the rotating body are connected with the circular track in a sliding fit mode through the ball sliding block, the center of the rotating body and the center of the circular track are located on the same central axis, and the circular track cannot rotate relative to the rotating body; the motor assembly is installed in on the rotator, just the drive end of motor assembly be equipped with be used for with rack toothing driven gear, motor assembly is used for driving the rotator along circular orbit rotates, the bulb subassembly is located the one end of rotator, detector assembly locates the other end of rotator, just the bulb subassembly with detector assembly sets up relatively.

Furthermore, the outer side face of the circular track protrudes outwards to form an outer flange, the inner side face of the circular track protrudes inwards to form an inner flange, the ball sliding block is provided with an outer clamping groove used for being in sliding clamping fit with the outer flange, and the ball sliding block is provided with an inner clamping groove used for being in sliding clamping fit with the inner flange.

Further, rail mounted oral cavity CT device still includes support column and davit, the davit is including hanging board, arc jib subassembly, stiffener and circular bearing plate, hang the board with the top of support column is connected, arc jib subassembly one end with it connects to hang the board, it is connected with to hang the board other end circular bearing plate, circular track install in circular bearing plate's bottom.

Further, rail mounted oral cavity CT device still includes the chair subassembly, the chair subassembly includes chair post and chair seat, the chair seat install with liftable in chair post top, the chair seat disposes cushion and handrail subassembly.

Furthermore, the chair assembly further comprises a chair motor, a screw rod, a guide pillar and a chair sliding block, the chair column is provided with a vertical hollow cavity, the chair motor is installed in the vertical hollow cavity, the chair seat comprises a hollow telescopic rod, the chair sliding block is arranged in the telescopic rod and connected with guide rails on two sides of the inner wall of the telescopic rod, one end of the screw rod is connected with the output end of the chair motor, the other end of the screw rod is movably connected with the chair sliding block, the guide pillar is arranged on two sides inside the chair column respectively and is in sliding fit with the guide rails, and the chair motor is used for driving the telescopic rod to do lifting motion along the axial direction.

Further, the motor assembly is a servo motor, and the gear is mounted on an output end of the servo motor.

Furthermore, the rotating body comprises a rotating body shell and a rotating rod, the rotating rod is arranged in the rotating body shell, and the rotating body shell is respectively provided with a slider through hole for the ball slider to extend out of the rotating body shell and a gear through hole for the gear to extend out of the rotating body shell; the bulb subassembly includes fixed plate and bulb, the bulb passes through the fixed plate with rotary rod connects, the rotator shell still is equipped with the confession the bulb stretches out the outside bulb mouth of rotator shell, the detector subassembly includes mount and detector, the detector passes through the mount with rotary rod connects.

Further, the rotating rod is provided as a hollow square tube.

Further, the support column includes vertical pole and arc pole, the one end of arc pole with the one end of vertical pole is connected, the upper end of davit is located the bottom of arc pole other end, the other end of vertical pole is equipped with first bracing piece, the both ends of first bracing piece are connected with the second bracing piece respectively perpendicularly.

Furthermore, the bottom of the first support rod and the bottom of the second support rod are respectively provided with an adjustable support leg.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a motor element drive gear rotates, and the gear drive rotator is along circular orbital motion, and the light that makes the transmission of bulb subassembly constantly steadily falls on the center of detector subassembly formation of image, in rotator motion process, the utility model discloses a ball slider cooperation circular track makes the motion, because ball slider is the sphere contact with circular orbital contact surface, produces very little friction between them, and the fit clearance is also very little, guarantees that the rotator does not have very big fit clearance when doing circular motion, can reduce the vibration range to can let the rotator even running, guarantee that oral cavity CT formation of image process is not influenced, make it clear to shoot the image that comes out.

Drawings

Fig. 1 is one of schematic diagrams of a track type oral CT apparatus provided by the present invention;

fig. 2 is a second schematic view of the track type oral CT apparatus provided by the present invention, in which a rotator housing is shown;

fig. 3 is a front view of the track type oral CT apparatus provided by the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at I;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 7 is an exploded view of the boom, the rotating body and the circular track provided by the present invention;

fig. 8 is a schematic view of the rotating body and the circular track provided by the present invention;

fig. 9 is a partial schematic view of a circular track provided by the present invention;

fig. 10 is a schematic view of a ball slider provided by the present invention;

figure 11 is a cross-sectional view of a chair assembly provided by the present invention.

In the figure: 10. a vertical rod; 11. an arcuate bar; 12. a first support bar; 13. a second support bar; 14. adjustable supporting feet; 20. a suspension arm; 201. hanging plates; 202. an arc-shaped suspender; 203. a reinforcing bar; 204. a circular support plate; 30. a rotating body; 301. a rotator housing; 302. rotating the rod; 40. a circular track; 401. A rack; 402. an outer flange; 403. an inner flange; 50. a ball slider; 501. an outer snap groove; 502. An inner snap groove; 60. a motor assembly; 601. a servo motor; 602. a gear; 70. a bulb assembly; 701. a bulb tube; 702. a fixing plate; 80. a probe assembly; 801. a detector; 802. a fixed mount; 90. a chair assembly; 901. a chair column; 902. a chair seat; 9021. a telescopic rod; 9022. a cushion support rod; 903. A cushion; 904. an armrest assembly; 9041. a first armrest; 9042. a second handrail; 905. a chair motor; 906. a screw; 907. a chair slide; 908. a guide post; 909. a guide rail; 9010. a chair base.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-11, for the orbital oral CT apparatus provided by the present invention, the orbital oral CT apparatus includes a circular track 40, a ball slider 50, a rotator 30, a bulb assembly 70, a motor assembly 60 and a detector assembly 80, wherein the circular track 40 is provided with a rack 401, two ends of the top of the rotator 30 are connected with the circular track 40 through the ball slider 50 in a sliding fit manner, the center of the rotator 30 and the center of the circular track 40 are located on the same central axis, and the circular track 40 cannot rotate relative to the rotator 30, the motor assembly 60 is mounted on the rotator 30, and the driving end of the motor assembly 60 is provided with a gear 602 for meshing with the rack 401, the motor assembly 60 is used for driving the rotator 30 to rotate along the circular track 40, the bulb assembly 70 is disposed at one end of the rotating body 30, the detector assembly 80 is disposed at the other end of the rotating body 30, and the bulb assembly 70 and the detector assembly 80 are disposed opposite to each other.

On the basis, the circular track 40 is fixedly installed at a designated position, then the corresponding components are assembled, after the parts are installed in place, the motor assembly 60 starts to work according to the requirements of CT imaging, the motor assembly 60 drives the gear 602 to rotate, the gear 602 drives the rotating body 30 to do circular motion along the circular track 40, and light emitted by the ball tube assembly 70 continuously and smoothly falls on the imaging center of the detector assembly 80. In the moving process, the ball slider 50 is the main reason for ensuring that the rotating body 30 does not generate vibration, because the ball slider 50 is a ball type entering slider, the contact surface of the ball slider and the circular track 40 is spherical point contact, small friction is generated between the ball slider and the circular track, the fit clearance is small, the rotating body 30 does not have a large fit clearance during circular motion, the vibration amplitude can be reduced, and the rotating body 30 can stably run. The gear 602 drives the rotating body 30 to move along the circular track 40, and even if a sun track is formed between the rotating body and the circular track, the rotating body can smoothly run, so that the CT imaging process is not affected, and the image shot by the rotating body is clear and has no jumping image.

Since it is in spherical contact and frictional resistance is small, the motor assembly 60 uses a low power servo motor 601, in which a gear 602 is mounted on the output end of the servo motor 601, and the servo motor 601 drives the gear 602 to contact with the rack 401 on the circular track 40, thereby driving the rotating body 30 to make circular motion. In addition, the rotation speed of the servo motor 601 can be adjusted by the servo motor 601 according to the requirement of the imaging speed, and the servo motor 601 can meet the requirement of forward and reverse rotation, so that the rotating body 30 can rotate clockwise or counterclockwise, and meanwhile, the rotation speed of the servo motor 601 can be adjusted according to the requirement under the control of the controller, so that the imaging shooting speed is adapted to the rotation speed of the gear 602 of the motor assembly 60, and the imaging requirement is met. The two servo motors 601 of the embodiment are respectively arranged at two ends of the rotating body 30, the two servo motors 601 drive the rotating body 30 to rotate through the two servo motors 601, and the smoothness and the stability of the movement of the rotating body 30 are improved.

In a preferred embodiment, an outer flange 402 protrudes outward from an outer side surface of the circular track 40, an inner flange 403 protrudes inward from an inner side surface of the circular track 40, the ball slider 50 is provided with an outer snap groove 501 for slidably snap-fitting with the outer flange 402, and the ball slider 50 is provided with an inner snap groove 502 for slidably snap-fitting with the inner flange 403. In this embodiment, the ball sliding block 50 is slidably and snap-fitted with the outer flange 402 and the inner flange 403 of the circular track 40 by providing the outer snap groove 501 and the inner snap groove 502, so that the ball sliding block 50 has a large load bearing capacity, and meets the weight requirement of the mounting rotating body 30. It should be noted that the circular track 40 and the rack 401 of the present embodiment are of an integral structure, wherein the rack 401 is disposed along the track of the circular track 40, but of course, the rack 401 and the circular track 40 may be of a separate structure, as long as the rotary body 30 can be driven to make a circular motion along the circular track 40.

In a preferred embodiment, the track type oral CT apparatus further comprises a support column and a suspension arm 20, wherein the suspension arm 20 comprises a suspension plate 201, an arc-shaped suspension rod 202 assembly, a reinforcing rod 203 and a circular support plate 204, the suspension plate 201 is connected with the top of the support column, one end of the arc-shaped suspension rod 202 assembly is connected with the suspension plate 201, the other end of the suspension plate 201 is connected with the circular support plate 204, and the circular track 40 is installed at the bottom of the circular support plate 204.

In the present embodiment, the supporting column is a main component for supporting the boom 20, and is a supporting frame body for realizing CT photographing imaging, which is an important basis for adjusting the whole imaging and ground level, and is an important component for realizing the working installation of the rotating body 30. The circular rail 40 is fixedly installed on the boom 20, the circular rail 40 is installed to ensure that the circular rail 40 has the same roundness and the height, and the ball slider 50 is assembled on the circular rail 40 to ensure the installation accuracy and the component integrity of the ball slider 50. After the boom 20 is mounted on the support column, the rotating body 30 is assembled to the mounting hole of the ball slider 50, and the rotating body 30 is assembled while paying attention to the same round, and after the swing rotating body 30 is assembled, the ball tube assembly 70, the motor assembly 60, the probe assembly 80, and the like are connected by bolts. The hanging plate 201 is connected to the supporting column through bolts, wherein the arc-shaped suspender 202 assembly comprises a plurality of arc-shaped suspenders 202, one ends of the plurality of arc-shaped suspenders 202 are arranged along the circumferential direction of the hanging plate 201, and the circular track 40 is connected to the circular supporting plate 204 through bolts and positioning pins; in addition, the arc-shaped suspension rods 202 are respectively connected with the suspension plate 201 and the circular support plate 204 through welding, a plurality of reinforcing rods 203 are provided, and the reinforcing rods 203 are arranged between two adjacent arc-shaped suspension rods 202 to enhance the stability of the suspension arm 20. When the boom 20 is installed, the requirements of flatness and roundness are firstly controlled, and deformation and bending are not allowed to occur during production. Therefore, when selecting materials, the circular support plate 204 is made of a steel plate with the thickness of 10mm, and the arc-shaped suspension rod 202 and the reinforcing rod 203 are made of hollow square pipes, so that the weight is reduced and the production cost is reduced.

The boom 20 may have other structures as long as the circular rail 40 can be fixed to the boom 20.

In a preferred embodiment, the track-type oral CT apparatus further includes a chair assembly 90, the chair assembly 90 includes a chair column 901 and a chair seat 902, the chair seat 902 is installed above the chair column 901 in a liftable manner, and the chair seat 902 is provided with a seat pad 903 and an armrest assembly 904. Through setting up the chair seat 902 of liftable, be convenient for adjust human height when shooting oral cavity formation of image, satisfy different height patients' oral cavity and accurately form images at detector 801 formation of image central part when forming images. In this embodiment, a chair base 9010 is disposed at the bottom of the chair column 901 to enhance the stability of the chair column 901; the chair seat 902 is provided with a cushion support rod 9022 for supporting the cushion 903, and the armrest assembly 904 includes a first armrest 9041 and a second armrest 9042, wherein the first armrest 9041 is provided in an arc-shaped configuration, one end of the first armrest 9041 is connected to the chair seat 902, the other end of the first armrest 9041 is rotatably connected to the second armrest 9042, and the second armrest 9042 is rotatable relative to the first armrest 9041, thereby facilitating adjustment of the position of the second armrest 9042.

Specifically, the chair assembly 90 further includes a chair motor 905, a screw 906, a guide pillar 908, and a chair slider 907, the chair column 901 has a vertical hollow cavity, the chair motor 905 is installed in the vertical hollow cavity, the chair seat 902 includes a hollow telescopic rod 9021, the chair slider 907 is installed in the telescopic rod 9021 and is connected to guide rails 909 on two sides of an inner wall of the telescopic rod 9021, one end of the screw 906 is connected to an output end of the chair motor 905, the other end of the screw 906 is movably connected to the chair slider 907, the guide pillars 908 are respectively disposed on two sides of the inside of the chair column 901, the guide pillars 908 are slidably engaged with the guide rails, and the chair motor 905 is configured to drive the telescopic rod 9021 to move up and down along an axial direction. In this embodiment, after the chair is placed under the rotating body 30, the chair motor 905 is started, the chair motor 905 drives the screw 906 to move along the axial direction, and then drives the slider to move along the guide rail 909, so as to achieve the lifting of the chair seat 902, and facilitate the automatic adjustment of the height of the patient, so that the oral CT machine can smoothly image the teeth in the oral cavity at the center of the detector 801. In addition, the guide rail 909 of the present embodiment plays a guiding role.

In a preferred embodiment, the rotating body 30 includes a rotating body housing 301 and a rotating rod 302, the rotating rod 302 is disposed inside the rotating body housing 301, the rotating body housing 301 is respectively provided with a slider through hole for allowing the ball slider 50 to extend outside the rotating body housing 301 and a gear 602 through hole for allowing the gear 602 to extend outside the rotating body housing 301, the bulb assembly 70 includes a fixing plate 702 and a bulb 701, the bulb 701 is connected to the rotating rod 302 through the fixing plate 702, the rotating body housing 301 is further provided with a bulb 701 hole for allowing the bulb 701 to extend outside the rotating body housing 301, the probe assembly 80 includes a fixing frame 802 and a probe 801, and the probe 801 is connected to the rotating rod 302 through the fixing frame 802. In this embodiment, by providing the rotator housing 301, the rotating rod 302, the motor assembly 60, the bulb assembly 70 and the detector assembly 80 are accommodated therein, so as to ensure the track-type oral CT apparatus to be simple and beautiful; specifically, the rotating rod 302 is a hollow square tube, which can reduce the weight of the entire rotating body 30, but the overall strength is not reduced, and various lines can be accommodated inside the rotating body, so as to achieve a simplified effect, thereby ensuring that the bulb tube assembly 70 and the detector assembly 80 are not deformed or vibrated after being mounted.

As a preferred embodiment, the supporting column includes a vertical rod 10 and an arc rod 11, one end of the arc rod 11 is connected to one end of the vertical rod 10, the upper end of the suspension arm 20 is disposed at the bottom of the other end of the arc rod 11, the other end of the vertical rod 10 is provided with a first supporting rod 12, and two ends of the first supporting rod 12 are respectively and vertically connected to a second supporting rod 13. The first support rod 12 and the second support rod 13 are arranged at the bottom of the support rod, so that the stability of the support column can be enhanced; in addition, the vertical rod 10 and the arc-shaped rod 11 of the embodiment are of an integrally formed structure, and the supporting column, the first supporting rod 12 and the second supporting rod 13 are all arranged into a hollow square tube, so that the requirements of perpendicularity and flatness of the square tube are met during bending modeling and welding under the condition that the strength required by use is guaranteed, and therefore the weight is conveniently reduced and the production cost is reduced.

Specifically, the bottom of the first support bar 12 and the bottom of the second support bar 13 are respectively provided with an adjustable support foot 14. Two adjustable supporting legs 14 are arranged at two ends of the bottom of the first supporting rod 12, one end, far away from the first supporting rod 12, of each of the two second supporting rods 13 is provided with one adjustable supporting leg 14, and the four adjustable supporting legs 14 are adopted at the bottom of the supporting column, so that the horizontal debugging of the floor unevenness in an installation site is facilitated.

To sum up, the utility model provides a rail mounted oral cavity CT device has following advantage:

1. simple structure, operate steadily, the manufacturing degree of difficulty reduces, long service life (durable). The prior oral CT machine generally adopts structures such as a synchronous wheel, a speed changer, a clutch, a belt pulley and the like, and the structures have great difficulty in production and installation. When in use, the device is easy to have faults, has long service time and is easy to have mechanical abrasion or faults.

2. The operation speed is fast, and the location is accurate. By adopting the servo motor 601, the controller can realize positive and negative rotation of the servo motor 601, the rotating body 30 can run clockwise or anticlockwise, the number of rotation turns of the motor can be accurately controlled, and the rotating body 30 can be accurately positioned at a required position. The rotation speed of the rotary body 30 can be adjusted by the servo motor 601. Other methods of actuating the rocker arms can affect the imaging quality of the CT machine by causing them to slip, fall, control lag, or vibrate the gear 602 case during operation.

3. The manufacturing cost is low. The whole structure is simple, the cost on manufacturing and materials can be effectively reduced, the requirement on manufacturing difficulty is not high, and the manufacturing method is suitable for production of common manufacturers, so that the manufacturing cost is effectively reduced.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. The track type oral CT device is characterized by comprising a circular track, a ball sliding block, a rotating body, a ball tube assembly, a motor assembly and a detector assembly, wherein the circular track is provided with a rack, two ends of the top of the rotating body are connected with the circular track in a sliding fit mode through the ball sliding block, the center of the rotating body and the center of the circular track are located on the same central axis, and the circular track cannot rotate relative to the rotating body; the motor assembly is installed in on the rotator, just the drive end of motor assembly be equipped with be used for with rack toothing driven gear, motor assembly is used for driving the rotator along circular orbit rotates, the bulb subassembly is located the one end of rotator, detector assembly locates the other end of rotator, just the bulb subassembly with detector assembly sets up relatively.

2. The orbital oral CT device of claim 1 wherein the outer side of the circular track has an outer flange projecting outwardly therefrom, the inner side of the circular track has an inner flange projecting inwardly therefrom, the ball slide has an outer snap groove for slidably snap-fitting with the outer flange, and the ball slide has an inner snap groove for slidably snap-fitting with the inner flange.

3. The track-type oral cavity CT apparatus according to claim 1, further comprising a support column and a suspension arm, wherein the suspension arm comprises a suspension plate, an arc-shaped suspension rod assembly, a reinforcement rod and a circular support plate, the suspension plate is connected to the top of the support column, one end of the arc-shaped suspension rod assembly is connected to the suspension plate, the other end of the suspension plate is connected to the circular support plate, and the circular track is installed at the bottom of the circular support plate.

4. The orbital oral CT device of claim 1, further comprising a chair assembly comprising a chair column and a chair seat elevatably mounted above the chair column, the chair seat configured with a cushion and armrest assembly.

5. The orbital oral cavity CT apparatus according to claim 4, wherein the chair assembly further comprises a chair motor, a screw rod, a guide post and a chair slider, the chair column has a hollow vertical cavity, the chair motor is installed in the hollow vertical cavity, the chair seat comprises a hollow telescopic rod, the chair slider is disposed in the telescopic rod and connected to the guide rails on two sides of the inner wall of the telescopic rod, one end of the screw rod is connected to the output end of the chair motor, the other end of the screw rod is movably connected to the chair slider, the guide post is disposed on each of two sides of the interior of the chair column, the guide post is slidably engaged with the guide rail, and the chair motor is configured to drive the telescopic rod to move up and down along the axial direction.

6. The orbital oral CT device of claim 1, wherein the motor assembly is a servo motor and the gear is mounted on an output of the servo motor.

7. The orbital oral CT device according to claim 1, wherein the rotator comprises a rotator housing and a rotating rod, the rotating rod is disposed inside the rotator housing, the rotator housing is respectively provided with a slider through hole for the ball slider to extend outside the rotator housing and a gear through hole for the gear to extend outside the rotator housing; the bulb subassembly includes fixed plate and bulb, the bulb passes through the fixed plate with rotary rod connects, the rotator shell still is equipped with the confession the bulb stretches out the outside bulb mouth of rotator shell, the detector subassembly includes mount and detector, the detector passes through the mount with rotary rod connects.

8. The orbital oral CT device of claim 7, wherein the rotating rod is configured as a hollow square tube.

9. The orbital oral CT device according to claim 3, wherein the support column comprises a vertical rod and an arc rod, one end of the arc rod is connected to one end of the vertical rod, the upper end of the suspension arm is disposed at the bottom of the other end of the arc rod, the other end of the vertical rod is provided with a first support rod, and the two ends of the first support rod are vertically connected to a second support rod respectively.

10. The track type oral CT device of claim 9, wherein the bottom of the first support bar and the bottom of the second support bar are respectively provided with an adjustable support foot.

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