CN212015821U

CN212015821U - Traction device for orthodontics

Info

Publication number: CN212015821U
Application number: CN202020171807.2U
Authority: CN
Inventors: 徐海华; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-15
Filing date: 2020-02-15
Publication date: 2020-11-27
Anticipated expiration: 2030-02-15

Abstract

The utility model belongs to the field of medical equipment, in particular to a traction device for orthodontics, aiming at the problem that the prior technical proposal is internally provided with a corresponding power device, so that when a patient is dragged, an external power source needs to be added, and the use is relatively complicated, the traction device comprises an implant body, wherein the implant body is in threaded connection with a traction cover, both sides of the traction cover are in threaded connection with a movable cover, one side of the movable cover is rotationally connected with a supporting plate, a fixed plate is fixedly arranged on the inner wall of the traction cover, a hook is connected on the fixed plate in a sliding way, the top of the hook extends to the upper part of the traction cover, the traction device can generate stronger pulling force by fixing the traction device in the oral cavity of the patient, then a driving motor can be started, and the traction effect can be realized according to the power of the traction device when in use, and thus, it will have good convenience.

Description

Traction device for orthodontics

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a draw gear for orthodontic.

Background

Among the oral treatment process, alveolar bone vertical height is not enough can influence the implantation and the long-term effect of implant, so adopt to pull the osteogenesis technique and correct alveolar bone vertical height not enough, notice no: CN208659598U discloses a planting traction device for orthodontics, which comprises an implant body, a traction base, a traction rod and a traction hole, wherein the upper end of the implant body is provided with the traction base, the middle position of the upper end surface of the traction base is provided with the traction hole, the traction hole is connected with a filling cap through thread fit, the upper end of the filling cap is attached to the upper surface of the traction base, the lower end of the filling cap is attached to the lower surface of the traction rod, the left end and the right end of the traction rod are respectively arranged by penetrating through the left side and the right side of the traction base, the two ends of the traction rod are respectively provided with a limit cap, the limit caps are connected to the end parts of the traction rod through thread fit, the traction rod in the device is provided with a telescopic traction rod, the fixed length or the traction position can be changed, the selection can be conveniently carried out according to the, the sanitary condition is good, and the method is suitable for popularization.

The technical scheme is internally provided with the corresponding power device, so that when a patient is pulled, an external power source needs to be added, the use is relatively complicated, and the traction device for orthodontics is provided for solving the problems.

Disclosure of Invention

The utility model aims at solving the problem that the prior art is internally provided with a corresponding power device, so that when a patient is pulled, an external power source needs to be added, the defect that the use is relatively complex is overcome, and the provided traction device for orthodontics is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a draw gear for just abnormal oral cavity, includes the planting body, threaded connection has the cover of pulling on the planting body, the equal threaded connection in both sides of pulling the cover has the removal cover, one side of removing the cover is rotated and is connected with the backup pad fixed mounting has the fixed plate on pulling the inner wall of cover, sliding connection has the couple on the fixed plate, the top of couple extends to the top of pulling the cover, the bottom fixedly connected with stay cord of couple, fixed mounting has driving motor on pulling one side bottom inner wall of cover, threaded connection shift ring on driving motor's the output shaft, shift ring and the bottom inner wall sliding connection who pulls the cover, shift ring and fixed mounting are run through to the bottom of stay cord have the connecting plate, connecting plate fixed mounting is on pulling the bottom inner wall of cover.

Preferably, the hook is sleeved with a return spring, the top end and the bottom end of the return spring are respectively fixedly connected with the hook and the top of the fixing plate, and the hook can be conveniently reset by utilizing the return spring.

Preferably, a screw rod is fixedly mounted on an output shaft of the driving motor, one end of the screw rod is rotatably connected with the inner wall of the other side of the traction cover, a threaded ring is connected onto the screw rod in a threaded manner, one side of the threaded ring is fixedly connected with one side of the moving ring, and the screw rod and the moving ring can be conveniently connected in a threaded manner by the threaded ring, so that the moving ring can be conveniently moved.

Preferably, the equal fixed mounting in both sides of pulling the cover has the screw rod, and removes one side of cover and rotate and be connected with the nut, the screw rod run through the nut and with nut threaded connection, the rectangular channel has been seted up to the one end of screw rod, sliding connection has the gag lever post in the rectangular channel, the one end of gag lever post extend to remove cover in and with remove one side inner wall fixed connection that covers, can conveniently drive and remove the cover and carry out lateral shifting to can conveniently carry on spacingly.

Preferably, the inner wall of the moving ring is rotatably connected with a blocking wheel, and the blocking wheel is in contact with the pull rope, so that the pull rope can be supported, and the friction force of the pull rope can be reduced.

In the utility model, a draw gear for orthodontics

The device is placed in the oral cavity of a patient, then the two support plates can be mutually separated by rotating the nut until the two support plates are respectively contacted with the inner wall of the oral cavity of the patient to form stable support, then the hook can be used for connecting with an external support device, and the driving motor can be started to drive the screw rod to rotate;

when the screw rod rotates, the movable ring can be driven to move, the pull rope can be pulled to be transversely bent at the moment, so that the pull rope can be pulled to be hooked to move, stronger pulling force can be generated between the whole device and an external supporting device due to the change of the pull rope, the traction effect is achieved, and free adjustment can be achieved according to the distance of the transverse movement of the movable ring through the pulling force, so that the movable ring has good practicability.

The utility model discloses a fix this device in patient's oral cavity, later can start driving motor alright realize this device and produce stronger pulling force, so when using, can realize towed effect according to the power of itself, consequently can have good convenience.

Drawings

Fig. 1 is a front view of a traction device for orthodontics according to the present invention;

fig. 2 is a top view of a connection structure of a moving ring and a screw rod of the traction device for orthodontics according to the present invention;

fig. 3 is an enlarged view of the structure a in fig. 1 of the traction device for orthodontics according to the present invention.

In the figure: the device comprises an implant 1, a traction cover 2, a fixing plate 3, a hook 4, a return spring 5, a pull rope 6, a driving motor 7, a moving ring 8, a catch wheel 9, a connecting plate 10, a screw rod 11, a moving cover 12, a nut 13, a rectangular groove 14, a limiting rod 15, a supporting plate 16, a screw rod 17 and a threaded ring 18.

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.

Example one

Referring to fig. 1-3, a draw gear for orthodontics, including the implant 1, threaded connection has the traction cover 2 on the implant 1, the equal threaded connection in both sides of traction cover 2 has the removal cover 12, one side of removal cover 12 is rotated and is connected with backup pad 16 and pulls fixed plate 3 on the inner wall of cover 2, sliding connection has couple 4 on fixed plate 3, the top of couple 4 extends to the top of pulling cover 2, the bottom fixedly connected with stay cord 6 of couple 4, fixed mounting has drive motor 7 on the one side bottom inner wall of traction cover 2, threaded connection shift ring 8 on the output shaft of drive motor 7, shift ring 8 and the bottom inner wall sliding connection who pulls cover 2, the bottom of stay cord 6 runs through shift ring 8 and fixed mounting has connecting plate 10, connecting plate 10 fixed mounting is on the bottom inner wall of traction cover 2.

Wherein, by placing the device in the oral cavity of a patient, then the two supporting plates 16 can be mutually separated by rotating the nut 13 until the two supporting plates 16 are respectively contacted with the inner wall of the oral cavity of the patient to form a stable support, then the hook 4 can be utilized to be connected with an external supporting device, and the driving motor 7 can be started to drive the screw rod 11 to rotate, when the screw rod 11 rotates, the moving ring 8 can be driven to move, at the moment, the pull rope 6 can be pulled to transversely bend, so that the hook 4 can be pulled to move through the pull rope 6, thereby the stronger pulling force can be existed between the whole device and the external supporting device, the traction effect is achieved, and the pulling force can be freely adjusted by the distance of the transverse movement of the moving ring 8, so the utility model has good practicability, the utility model can fix the device in the oral cavity of the patient, the driving motor 4 can be started to generate stronger pulling force, so that the device can achieve the traction effect according to the power of the device when in use, and has good convenience.

The utility model discloses in, the cover is equipped with reset spring 5 on the couple 4, reset spring 5's top and bottom respectively with couple 4 and fixed plate 3's top fixed connection, utilize reset spring 4 can conveniently reset to couple 4.

Example two

The utility model discloses in, fixed mounting has lead screw 17 on the output shaft of driving motor 7, and the one end of lead screw 17 is connected with the opposite side inner wall rotation of pulling cover 2, and threaded connection has screw ring 18 on the lead screw 17, and one side of screw ring 18 and one side fixed connection of shift ring 8 utilize screw ring 18 can conveniently realize that lead screw 17 and shift ring 8 carry out threaded connection to this can make things convenient for shift ring 8 to remove.

The utility model discloses in, the equal fixed mounting in both sides of traction cover 2 has screw rod 11, and one side of removing cover 12 is rotated and is connected with nut 13, screw rod 11 run through nut 13 and with nut 13 threaded connection, rectangular channel 14 has been seted up to screw rod 11's one end, sliding connection has gag lever post 15 in the rectangular channel 14, the one end of gag lever post 15 extend to remove cover 12 in and with one side inner wall fixed connection who removes cover 12, can conveniently drive and remove cover 12 and carry out lateral shifting, and can conveniently carry on spacingly.

The utility model discloses in, rotate on the inner wall of shift ring 8 and be connected with fender wheel 9, fender wheel 9 contacts with stay cord 6, can support stay cord 6 to the frictional force of reducible stay cord 6.

In the utility model, when the technical scheme is used, firstly, the device is placed in the oral cavity of a patient, then the nut 13 can be rotated, the movable cover 12 can be driven to move transversely at the moment, so that the two supporting plates 16 can be kept away from each other until the two supporting plates 16 are respectively contacted with the inner wall of the oral cavity of the patient to form stable support, then the hook 4 can be connected with an external supporting device, the driving motor 7 can be started to drive the screw rod 11 to rotate, the movable ring 8 can be driven to move when the screw rod 11 rotates, the stay cord 6 can be pulled to bend transversely at the moment, so the hook 4 can be pulled to move through the stay cord 6, therefore, stronger pull force can be generated between the whole device and the external supporting device, the traction effect is achieved, and the pull force can be adjusted freely through the distance of the movable ring 8 in transverse movement, therefore, when in use, the traction effect can be realized according to the power of the tractor, thereby having good convenience.

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. The utility model provides a draw gear for orthodontic, includes the planting body (1), its characterized in that, threaded connection has the cover (2) of pulling on the planting body (1), the equal threaded connection in both sides of pulling the cover (2) has the removal cover (12), one side of removing the cover (12) is rotated and is connected with backup pad (16) fixed mounting has fixed plate (3) on the inner wall of pulling the cover (2), sliding connection has couple (4) on fixed plate (3), the top of couple (4) extends to the top of pulling the cover (2), the bottom fixed connection of couple (4) has stay cord (6), fixed mounting has drive motor (7) on the one side bottom inner wall of pulling the cover (2), threaded connection shift ring (8) on the output shaft of drive motor (7), shift ring (8) and the bottom inner wall sliding connection who pulls the cover (2), the bottom end of the pull rope (6) penetrates through the moving ring (8) and is fixedly provided with a connecting plate (10), and the connecting plate (10) is fixedly arranged on the inner wall of the bottom of the traction cover (2).

2. The traction device for orthodontics according to claim 1, wherein the hook (4) is sleeved with a return spring (5), and the top end and the bottom end of the return spring (5) are respectively fixedly connected with the hook (4) and the top of the fixing plate (3).

3. The traction device for orthodontics according to claim 1, wherein a lead screw (17) is fixedly installed on the output shaft of the driving motor (7), one end of the lead screw (17) is rotatably connected with the inner wall of the other side of the traction cover (2), a threaded ring (18) is connected to the lead screw (17) in a threaded manner, and one side of the threaded ring (18) is fixedly connected with one side of the moving ring (8).

4. The traction device for orthodontics according to claim 1, wherein a screw rod (11) is fixedly installed on each of two sides of the traction cover (2), a nut (13) is rotatably connected to one side of the movable cover (12), the screw rod (11) penetrates through the nut (13) and is in threaded connection with the nut (13), a rectangular groove (14) is formed in one end of the screw rod (11), a limiting rod (15) is slidably connected in the rectangular groove (14), and one end of the limiting rod (15) extends into the movable cover (12) and is fixedly connected with an inner wall of one side of the movable cover (12).

5. The orthodontic traction device according to claim 1, characterized in that the inner wall of the mobile ring (8) is rotatably connected with a block wheel (9), the block wheel (9) is in contact with the pull rope (6).