CN212575006U

CN212575006U - Oral cavity 3D scanning device

Info

Publication number: CN212575006U
Application number: CN202020691058.6U
Authority: CN
Inventors: 余玉银
Original assignee: Junhanxi Shanghai Medical Equipment Co ltd
Current assignee: Junhanxi Shanghai Medical Equipment Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-02-23
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses an oral cavity 3D scanning device, which comprises an upper tooth socket and a lower tooth socket, wherein the left end and the right end between the upper tooth socket and the lower tooth socket are both connected with a telescopic rod, a supporting block is arranged at the middle part between the upper tooth socket and the lower tooth socket, two gears which are meshed with each other are arranged in the supporting block, an upper fixed block and a lower fixed block are respectively and fixedly arranged at the middle bottom of the upper tooth socket and the middle upper part of the lower tooth socket, racks are fixedly connected at the left end and the right end of the bottom surface of the upper fixed block, and the two racks are both connected in the supporting block in a sliding way, the position of a micro camera can be adjusted by a slide rail through the 3D scanning of a plurality of micro cameras at the inner side and the outer side of the tooth socket to improve the modeling precision of a tooth model, the distance between the upper tooth socket and the lower tooth socket is changed by, avoiding causing discomfort to the patient.

Description

Oral cavity 3D scanning device

Technical Field

The utility model relates to a scanning device specifically is an oral cavity 3D scanning device.

Background

In the dental field, it is often necessary to photograph teeth in the mouth so that the doctor can understand the damage of the teeth. At present, in the prior art, a camera is mostly adopted to be inserted into an oral cavity of a human body to acquire images of teeth in the oral cavity, the camera moves in the oral cavity to shoot images of all teeth in the oral cavity, and then a model of the teeth is reconstructed by utilizing multiple shot images.

At present, with the development of scanning and printing technologies, technologies such as 3D scanning and 3D printing which were previously considered to be difficult to implement have been widely popularized and applied, and accordingly various 3D scanners and 3D printers begin to fill the market, however, when a 3D scanning device is used for scanning the oral cavity, many problems still exist, for example, a patient is inconvenient to open the mouth for a long time, the patient feels uncomfortable, and due to the internal structure problem of the oral cavity, many scanning dead corners exist, and the accuracy of a tooth model is affected. Therefore, the utility model provides an oral cavity 3D scanning device to solve the problem that proposes in the above-mentioned background art.

Disclosure of Invention

An object of the utility model is to provide an oral cavity 3D scanning device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

A3D oral cavity scanning device comprises an upper tooth socket and a lower tooth socket, wherein telescopic rods are connected to the left end and the right end between the upper tooth socket and the lower tooth socket respectively, a supporting block is arranged in the middle between the upper tooth socket and the lower tooth socket, two gears meshed with each other are arranged in the supporting block, an upper fixed block and a lower fixed block are fixedly arranged on the middle bottom of the upper tooth socket and the middle upper portion of the lower tooth socket respectively, racks are fixedly connected to the left end and the right end of the bottom surface of the upper fixed block respectively, the two racks are connected to the inside of the supporting block in a sliding mode, the left gear and the right gear are meshed with the left gear and the right gear respectively, a rotating disc is rotatably connected to the inside of the supporting block, driving;

the supporting shoe outside front side fixedly connected with dead lever, the dead lever internal rotation is connected with the slide bar, and the inside thread groove that is equipped with of dead lever, thread groove female connection have the screw rod, slide bar sliding connection is inside the screw rod, and slide bar front end and carousel fixed connection.

As a further aspect of the present invention: the upper tooth socket and the lower tooth socket are both arc-shaped strips, and tooth sockets are arranged in the upper tooth socket and the lower tooth socket.

As a further aspect of the present invention: a rotating shaft is fixedly installed in the middle of the gear, and the gear is rotatably connected inside the supporting block through the rotating shaft.

As a further aspect of the present invention: the outside rear side fixed mounting of supporting shoe has miniature searchlight, and miniature searchlight is equipped with button cell.

As a further aspect of the present invention: the upper tooth socket and the lower tooth socket are fixedly provided with slide rails on the front side and the rear side, and a plurality of miniature cameras are connected in the slide rails in a sliding mode.

As a further aspect of the present invention: the outer end of the screw rod is fixedly connected with a holding rod, the outer end of the holding rod is fixedly connected with a limiting button, and a control switch electrically connected with the miniature searchlight is arranged in the limiting button.

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

1. the utility model discloses a two braces about setting to advance the 3D scanning of shape omnidirectional in to the oral cavity through a plurality of miniature cameras at the braces inside and outside, through the adjustable miniature camera position of slide rail, with the modeling precision that improves the tooth model.

2. The utility model discloses a rotating the holding rod, changing the distance between two upper and lower tooth sockets, help the patient to open the mouth, avoid arousing patient's discomfort.

Drawings

Fig. 1 is a schematic structural diagram of an oral 3D scanning device.

Fig. 2 is a schematic side view of a 3D scanning device for oral cavity.

Fig. 3 is a schematic diagram of an internal structure of a support block in a 3D scanning device for oral cavity.

Fig. 4 is a schematic perspective view of a mouthpiece in a 3D scanning device for oral cavity.

In the figure: 1. an upper tooth socket; 2. a miniature searchlight; 3. a miniature camera; 4. a slide rail; 5. a tooth socket; 6. fixing the rod; 7. A slide bar; 8. a thread groove; 9. a screw; 10. a holding rod; 11. a limit button; 12. a lower tooth socket; 13. an upper fixed block; 14. A telescopic rod; 15. a support block; 16. a lower fixed block; 17. a turntable; 18. a rack; 19. a gear; 20. a transmission belt; 21. A driving wheel; 22. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, an oral cavity 3D scanning device comprises an upper dental mouthpiece 1 and a lower dental mouthpiece 12, wherein a telescopic rod 14 is connected to both the left and right ends between the upper dental mouthpiece 1 and the lower dental mouthpiece 12, slide rails 4 are fixedly installed on both the front and rear sides of the upper dental mouthpiece 1 and the lower dental mouthpiece 12, a plurality of micro cameras 3 are slidably connected in the slide rails 4, the positions of the micro cameras 3 can be adjusted and changed by the slide rails 4 on both the front and rear sides of the two dental mouthpieces, then, the inside of the oral cavity is omni-directionally 3D scanned by the micro cameras 3, the upper dental mouthpiece 1 and the lower dental mouthpiece 12 are both arc-shaped, dental sockets 5 are respectively arranged in the upper dental mouthpiece 1 and the lower dental mouthpiece 12, a supporting block 15 is arranged in the middle between the upper dental mouthpiece 1 and the lower dental mouthpiece 12, two supporting gears 19 are arranged in the upper dental mouthpiece 1 and the lower dental mouthpiece 12, a rotating shaft 22 is fixedly arranged in the middle of the gear 19, the gear 19 is rotatably connected inside the supporting block 15 through the rotating shaft 22, an upper fixing block 13 and a lower fixing block 16 are respectively fixedly arranged at the bottom of the middle of the upper tooth socket 1 and the upper part of the middle of the lower tooth socket 12, racks 18 are respectively fixedly connected at the left end and the right end of the bottom surface of the upper fixing block 13, the two racks 18 are respectively connected inside the supporting block 15 in a sliding manner, the left gear 19 and the right gear 19 are respectively meshed with the left rack 18 and the right rack 18, a rotating disc 17 is rotatably connected inside the supporting block 15, driving wheels 21 are respectively fixedly arranged at the rear side surface of the rotating disc 17 and the front side surface of one gear 19, a driving belt 20 is sleeved outside the two driving wheels 21, the rotating disc 17 drives one gear 19 to rotate through the driving belt 20 and the two driving wheels 21, the, the upper fixing block 13 drives the upper tooth socket 1 to move upwards to prop open the oral cavity of the patient, the rear side outside the supporting block 15 is fixedly provided with the miniature searchlight 2, and the miniature searchlight 2 is provided with a button battery;

the utility model discloses a miniature searchlight, including supporting shoe 15 outside front side fixedly connected with dead lever 6, the internal rotation of dead lever 6 is connected with slide bar 7, and the inside thread groove 8 that is equipped with of

dead lever

6, 8 threaded groove internal thread connections have

screw rod

9, and 9 outer end fixedly connected with holding rod 10 of screw rod, and 10 outer end fixedly connected with limit button 11 of holding rod, be equipped with in the limit button 11 with the control switch of 2 electric connection of miniature searchlight, slide bar 7 sliding connection is inside screw rod 9, and slide bar 7 front end and carousel 17 fixed connection, through rotating holding rod 10, makes screw rod 9 revolve into the thread groove 8, inside slide bar 7 followed the rotation and retracted screw rod 9, slide bar 7 rotated and driven rather than the carousel 17.

The utility model discloses a theory of operation is:

when the device is used, a patient clamps upper and lower rows of teeth in tooth sockets 5 of upper and lower tooth sockets respectively, the screw rod 9 is screwed into the thread socket 8 by rotating the holding rod 10, the slide rod 7 rotates along with the rotation and retracts into the screw rod 9, the slide rod 7 rotates to drive the rotary table 17 connected with the slide rod to rotate, the rotary table 17 drives a gear 19 to rotate through a transmission belt 20 and two transmission wheels 21, the gear 19 drives another gear 19 to rotate through meshing, the two gears 19 enable the two racks 18 to move upwards through meshing, the racks 18 drive the upper fixing block 13 fixedly connected with the racks to move upwards, the upper fixing block 13 drives the upper tooth socket 1 to move upwards to prop open the oral cavity of the patient, the position of the micro camera 3 can be adjusted and changed through the slide rails 4 on the front and rear sides of the two tooth sockets, and then the inside of the oral cavity is scanned in omnibearing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oral 3D scanning device comprises an upper tooth socket (1) and a lower tooth socket (12), and is characterized in that telescopic rods (14) are connected to the left and right ends between the upper tooth socket (1) and the lower tooth socket (12), a supporting block (15) is arranged in the middle between the upper tooth socket (1) and the lower tooth socket (12), two gears (19) which are meshed with each other are arranged in the supporting block (15), an upper fixing block (13) and a lower fixing block (16) are fixedly arranged at the middle bottom of the middle of the upper tooth socket (1) and the upper part of the middle of the lower tooth socket (12) respectively, racks (18) are fixedly connected to the left and right ends of the bottom surface of the upper fixing block (13), the two racks (18) are slidably connected to the inside of the supporting block (15), the left and right gears (19) are meshed with the left and right gears (18) respectively, a rotating disc (17) is rotatably connected to the inside of the supporting block (15), a driving wheel (21) is fixedly arranged on, a transmission belt (20) is sleeved outside the two transmission wheels (21);

the supporting shoe (15) outside front side fixedly connected with dead lever (6), dead lever (6) internal rotation is connected with slide bar (7), and dead lever (6) inside is equipped with thread groove (8), and thread groove (8) internal thread connection has screw rod (9), slide bar (7) sliding connection is inside screw rod (9), and slide bar (7) front end and carousel (17) fixed connection.

2. The oral 3D scanning device according to claim 1, wherein the upper mouthpiece (1) and the lower mouthpiece (12) are both arc-shaped and strip-shaped, and the upper mouthpiece (1) and the lower mouthpiece (12) are both provided with tooth sockets (5) therein.

3. The oral 3D scanning device according to claim 1, wherein a rotating shaft (22) is fixedly installed in the middle of the gear (19), and the gear (19) is rotatably connected to the inside of the supporting block (15) through the rotating shaft (22).

4. The oral 3D scanning device according to claim 1, wherein the micro searchlight (2) is fixedly mounted on the outer rear side of the supporting block (15), and the micro searchlight (2) is provided with a button battery.

5. The oral 3D scanning device according to claim 1, wherein the upper dental mouthpiece (1) and the lower dental mouthpiece (12) are fixedly provided with slide rails (4) at front and rear sides thereof, and the slide rails (4) are slidably connected with a plurality of micro cameras (3).

6. The oral 3D scanning device according to claim 1, wherein a holding rod (10) is fixedly connected to an outer end of the screw (9), a limit button (11) is fixedly connected to an outer end of the holding rod (10), and a control switch electrically connected to the miniature searchlight (2) is disposed in the limit button (11).