CN111588492B

CN111588492B - Orthodontic pliers

Info

Publication number: CN111588492B
Application number: CN202010443479.1A
Authority: CN
Inventors: 邱伟芳
Original assignee: Wuzhou Red Cross Hospital
Current assignee: Wuzhou Red Cross Hospital
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-06-11
Anticipated expiration: 2040-05-22
Also published as: CN111588492A

Abstract

The invention discloses an orthodontic pliers, which comprises a handheld frame, wherein a first rod body is fixed on one side of the outer surface of the handheld frame, a second rod body is rotatably arranged at one end, away from the handheld frame, of the first rod body through a rotating shaft, an arc-shaped rod is jointly arranged at one end, close to the rotating shaft, of the first rod body and one end, close to the rotating shaft, of the second rod body, the arc-shaped rod penetrates through one end, close to the rotating shaft, of the first rod body and is in sliding connection with the end, close to the rotating shaft, of the first rod body, two ends of the arc-shaped rod are respectively fixed on the upper side and the lower side. The main body of the orthodontic pliers is composed of a first rod body and a second rod body, and the operating distance is increased; the main body of the orthodontic pliers can realize the rotation adjustment of the angle, so that the back teeth can be conveniently corrected, and the operation angle and range are increased; the palm is prevented from continuously applying force, so that labor is saved; the orthodontic pliers have two clampable points, so that the angle and the position of the orthodontic pliers do not need to be frequently adjusted, and the orthodontic pliers are more convenient to use.

Description

Orthodontic pliers

Technical Field

The invention relates to the technical field of medical appliances, in particular to an orthodontic pliers.

Background

Orthodontic pliers are an appliance used by dentists for correcting teeth of patients, and the existing orthodontic pliers are simpler in structure and function.

Through retrieval, chinese patent No. CN 105596096B discloses an orthodontic pliers, including fixed handle, the terminal surface of fixed handle and the one end fixed connection of guide arm, and the guide arm passes from movable handle to the other end and the fixed plate fixed connection of guide arm, installation return spring between fixed handle and the movable handle, open at movable handle's middle part has first through-hole, and one side mid-mounting locking screw of movable handle to movable handle's right-hand member face and the one end fixed connection of arm-tie, open at fixed plate's middle part has the second through-hole that two symmetries set up, and the arm-tie passes from the middle part of second through-hole, and the right-hand member middle part of fixed plate and the one end fixed connection of push pedal, the right-hand member installation activity clamping part of arm-tie, and the right-hand member of push pedal sets up fixed clamping part.

Although the orthodontic pliers in the prior art are convenient to fix after being clamped and avoid continuous force application of hands, the orthodontic pliers still have the following defects: the orthodontic pliers are short in operable distance and fixed in operation angle, so that the orthodontic pliers are inconvenient to operate the teeth at the back, too limited in use and poor in practicability; in addition, the tooth-clamping device only has the characteristic of clamping and fixing on one side, the clamping direction needs to be changed continuously, so that teeth at different positions can be clamped, and the complexity of operation is increased.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides orthodontic pliers.

In order to achieve the purpose, the invention adopts the following technical scheme:

an orthodontic pliers comprises a handheld frame, wherein a first rod body is fixed on one side of the outer surface of the handheld frame, a second rod body is rotatably installed at one end, far away from the handheld frame, of the first rod body through a rotating shaft, an arc-shaped rod is jointly installed at one end, close to the rotating shaft, of the first rod body and one end, close to the rotating shaft, of the second rod body, the arc-shaped rod penetrates through one end, close to the rotating shaft, of the first rod body and is in sliding connection with the first rod body, two ends of the arc-shaped rod are respectively fixed on the upper side and the lower side, near one end of the rotating shaft, of the second rod body, a fastening bolt is installed on the front surface, the tail end of the fastening bolt extends into the first rod body and is in close contact with the front surface of the arc-shaped rod, a fixed plate is fixed at one end, far away from, a plurality of springs are jointly fixed on one opposite side of the fixed plate and the movable plate, the springs are symmetrically distributed on two sides of the connecting rod, two first arc-shaped grooves and two second arc-shaped grooves are symmetrically formed in two ends of one opposite side of the fixed plate and the movable plate respectively, and the first arc-shaped grooves and the second arc-shaped grooves on the same side are symmetrical to each other;

the first rod body, the rotating shaft and the second rod body are all provided with wire holes, the diameters of the three wire holes are the same, a cavity is formed in the second rod body close to one end of the fixed plate and communicated with the wire holes in the second rod body, one end, far away from the moving plate, of the connecting rod extends into the cavity and is provided with a limiting block, the limiting block is arranged in the cavity in a sliding mode, and one end, far away from the rotating shaft, of each wire hole in the first rod body extends to the inner surface of the handheld frame;

the utility model discloses a portable electric tool, including handheld frame, stopper, connecting rod, mounting ring, pull wire, threaded rod, the interior bar pole that is equipped with in handheld frame, the both ends of bar pole and the interior surface sliding connection of handheld frame, the mid-mounting that the bar pole is close to first body of rod one side has the mounting ring, is located the cavity one side that the connecting rod was kept away from to the stopper is installed the mounting ring equally, two be fixed with the pull wire jointly between the mounting ring, and the pull wire is located the downthehole of first body of rod, pivot and second body simultaneously, the middle part that first body of rod one side was kept away from to the bar pole is fixed with.

Further, the slider is all installed at the both ends of bar pole, the internal surface of handing the frame seted up respectively with two slider assorted spouts, the bar pole passes through the internal surface sliding connection of slider and spout and handheld frame.

Furthermore, the front surface of the arc-shaped rod is provided with anti-slip lines, and the tail end of the fastening bolt is in close contact with the anti-slip lines on the front surface of the arc-shaped rod.

Furthermore, the two ends of the rotating shaft extend out of the outer vertical surface of the first rod body and are provided with limiting pieces, and the first rod body and the second rod body are provided with rotating holes matched with the rotating shaft.

Furthermore, the connecting point of the arc-shaped rod and the first rod body and the second rod body deviates from the central lines of the first rod body, the rotating shaft and the second rod body and is close to one side of the front surfaces of the first rod body and the second rod body.

Furthermore, one end of the first rod body close to the rotating shaft is provided with an arc-shaped sliding hole matched with the arc-shaped rod in a penetrating mode.

Furthermore, a hand wheel is installed on the side wall of the threaded pipe.

Furthermore, a transverse sliding hole matched with the connecting rod is formed in the fixing plate.

Compared with the prior art, the invention has the beneficial effects that:

the main body of the orthodontic pliers is composed of a first rod body and a second rod body, and the operating distance is increased; the main body of the orthodontic pliers can realize the rotation adjustment of the angle, so that the back teeth can be conveniently corrected, and the operation angle and range are increased; the palm is prevented from continuously applying force, so that labor is saved; the orthodontic pliers have two clampable points, so that the angle and the position of the orthodontic pliers do not need to be frequently adjusted, and the orthodontic pliers are more convenient to use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic structural view of an orthodontic pliers according to the present invention in a straight state;

fig. 2 is a schematic structural view of an orthodontic forceps in a bent state according to the invention;

FIG. 3 is an interior perspective view of FIG. 1;

FIG. 4 is a top view of the connection between the first rod and the second rod of FIG. 1;

FIG. 5 is an enlarged view of the arcuate rod of FIG. 1;

FIG. 6 is an enlarged view of the structure of portion A of FIG. 3;

FIG. 7 is an enlarged view of the structure of portion B of FIG. 3;

FIG. 8 is an enlarged view of the structure of portion C of FIG. 3;

fig. 9 is an enlarged view of a portion D of fig. 3.

In the figure: the device comprises a handheld frame 1, a first rod body 2, a rotating shaft 3, a second rod body 4, a fixing plate 5, a first arc-shaped groove 501, a moving plate 6, a second arc-shaped groove 601, a connecting rod 7, an arc-shaped rod 8, antiskid lines 801, a fastening bolt 9, a strip-shaped rod 10, a threaded rod 11, a threaded pipe 12, a limiting ring 13, a hand wheel 14, a mounting ring 15, a traction line 16, a 1601-line hole, a 17 slider, a sliding chute 18 and a spring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-9, an orthodontic pliers comprises a handheld frame 1, a first rod 2 is fixed on one side of the outer surface of the handheld frame 1, a second rod 4 is rotatably mounted on one end of the first rod 2, which is far away from the handheld frame 1, through a rotating shaft 3, the first rod 2 and the second rod 4 jointly form a main body of the orthodontic pliers, an arc-shaped rod 8 is jointly mounted on one end of the first rod 2 and one end of the second rod 4, which is close to the rotating shaft 3, the arc-shaped rod 8 penetrates through one end of the first rod 2, which is close to the rotating shaft 3, and is slidably connected with the rotating shaft, an arc-shaped sliding hole matched with the arc-shaped rod 8 is formed in one end of the first rod 2, which is close to the rotating shaft 3, two ends of the arc-shaped rod 8 are respectively fixed on the upper side and the lower side of, and the tip of the fastening bolt 9 extends into the first rod body 2 and is in close contact with the front surface of the arc-shaped rod 8.

Anti-skidding line 801 has been seted up to the front surface of arc pole 8, and fastening bolt 9's end and the anti-skidding line 801 in close contact with of 8 front surfaces of arc poles, and first body of rod 2 and the second body of rod 4 rely on pivot 3 to realize rotating the regulation of angle promptly, rely on arc pole 8 to fix a position simultaneously to realize spacing fixed when rotating fastening bolt 9.

One end that pivot 3 was kept away from to the second body of rod 4 is fixed with fixed plate 5, one side that the second body of rod 4 was kept away from to fixed plate 5 is equipped with movable plate 6, middle part that movable plate 6 is close to fixed plate 5 one side is fixed with connecting rod 7, one side that fixed plate 5 and movable plate 6 are relative is fixed with a plurality of springs 19 jointly, and spring 19 symmetric distribution is in the both sides of connecting rod 7, two first arc wall 501 and two second arc wall 601 have been seted up to the both ends of one side that fixed plate 5 and movable plate 6 are relative respectively the symmetry, and lie in the first arc wall 501 and the mutual symmetry of second arc wall 601 with one side, after the angle modulation of the first body of rod 2 and the second body of rod 4 finishes, can carry out centre gripping correction operation to the tooth.

All seted up line hole 1601 in the first body of rod 2, the pivot 3 and the second body of rod 4, three line hole 1601 apertures are the same, the second body of rod 4 has been close to the inside of fixed plate 5 one end and has been seted up the cavity, and the inside line hole 1601 intercommunication of the cavity and the second body of rod 4, and the one end that movable plate 6 was kept away from to connecting rod 7 extends to in the cavity and installs the stopper, and the stopper slides and sets up in the cavity, and the one end that pivot 3 was kept away from to the line hole 1601 that is located the first body of rod 2 extends to the internal surface of.

Be equipped with bar pole 10 in handing frame 1, the both ends of bar pole 10 and the internal surface sliding connection who hands frame 1, slider 17 is all installed at the both ends of bar pole 10, handheld frame 1's internal surface seted up respectively with two slider 17 assorted spouts 18, bar pole 10 passes through slider 17 and spout 18 and the internal surface sliding connection who hands frame 1.

The mid-mounting that the bar pole 10 is close to first body of rod 2 one side has collar 15, and the stopper that is located the cavity is kept away from one side of connecting rod 7 and is installed collar 15 equally, is fixed with pull wire 16 between two collars 15 jointly, and pull wire 16 is located the line hole 1601 in first body of rod 2, pivot 3 and the second body of rod 4 simultaneously.

When the first rod 2 rotates through the rotating shaft 3 and the second rod 4, the pulling wire 16 can still move in the wire hole 1601 in the first rod 2, the rotating shaft 3 and the second rod 4, and the movement is not limited.

A threaded rod 11 is fixed in the middle of one side of the bar-shaped rod 10, which is far away from the first rod body 2, a threaded pipe 12 is connected to one end of the threaded rod 11, which is far away from the bar-shaped rod 10, in a threaded manner, a threaded pipe 12 is connected to one end of the threaded pipe 11, which is far away from the bar-shaped rod 10, the end of the threaded pipe 12, which is far away from the threaded rod 11, is rotatably connected with the handheld frame 1, a hand wheel 14 is installed on the side wall of the threaded pipe 12, the threaded pipe 12 can be rotated through the hand wheel 14, the bar-shaped rod 10 can be driven to move on the inner side of the handheld frame 1 through the threaded fit of the threaded pipe 12 and the threaded pipe 12, the pull line 16 pulls the limiting block, the connecting rod 7 and the moving plate 6 to move, when the moving plate 6 approaches the fixed plate 5, the teeth of a patient can be clamped through the first, and the first arc-shaped slot 501 and the second arc-shaped slot 601 cancel the clamping of the patient's teeth, and at this time, the pulling wire 16 can also be restored.

Further, the both ends of pivot 3 extend the facade of the first body of rod 2 and install spacing piece, first body of rod 2 and second body of rod 4 all seted up with the 3 assorted rotation holes of pivot, spacing piece can prevent that pivot 3 from separating with first body of rod 2 and second body of rod 4.

Further, the connection point of the arc rod 8 with the first rod 2 and the second rod 4 deviates from the center line of the first rod 2, the rotation shaft 3 and the second rod 4 and approaches the position designed to avoid the traction wire 16 and the wire hole 1601 toward the front surface side of the first rod 2 and the second rod 4.

Furthermore, a transverse sliding hole matched with the connecting rod 7 is formed in the fixing plate 5, which is a necessary condition for the sliding connection between the connecting rod 7 and the fixing plate 5.

The pulling wire 16 is not stressed when the orthodontic pliers are in the state shown in fig. 1, and may be in a relaxed state, and when the threaded tube 12 is rotated or the orthodontic pliers are in the state shown in fig. 2, the pulling wire 16 is stressed, or when the threaded tube 12 is rotated to make the bar-shaped rod 10 approach to the first rod body 2 side, the pulling force from the spring 19 may be applied, but when the spring 19 is in a normal state, the pulling wire 16 is not stressed any more.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An orthodontic pliers comprises a handheld frame (1) and is characterized in that a first rod body (2) is fixed on one side of the outer surface of the handheld frame (1), a second rod body (4) is rotatably installed at one end, far away from the handheld frame (1), of the first rod body (2) through a rotating shaft (3), an arc-shaped rod (8) is jointly installed at one end, close to the rotating shaft (3), of the first rod body (2) and one end, close to the rotating shaft (3), of the second rod body (4), the arc-shaped rod (8) penetrates through one end, close to the rotating shaft (3), of the first rod body (2) and is in sliding connection with the end, two ends of the arc-shaped rod (8) are respectively fixed on the upper side and the lower side, close to one end of the rotating shaft (3), of the first rod body (2) is provided with a fastening bolt (9), and the tail end of the fastening bolt (9) extends into the first rod body (2) and is in close contact with, a fixed plate (5) is fixed at one end, far away from the rotating shaft (3), of the second rod body (4), a movable plate (6) is arranged at one side, far away from the second rod body (4), of the fixed plate (5), a connecting rod (7) is fixed at the middle part of one side, close to the fixed plate (5), of the movable plate (6), a plurality of springs (19) are jointly fixed at one opposite side of the fixed plate (5) and the movable plate (6), the springs (19) are symmetrically distributed at two sides of the connecting rod (7), two first arc-shaped grooves (501) and two second arc-shaped grooves (601) are symmetrically formed at two opposite ends of one opposite side of the fixed plate (5) and the movable plate (6), and the first arc-shaped grooves (501) and the second arc-shaped grooves (601) located at the;

the hole (1601) is formed in each of the first rod body (2), the rotating shaft (3) and the second rod body (4), the three hole (1601) are the same in aperture, a cavity is formed in the second rod body (4) close to one end of the fixing plate (5), the cavity is communicated with the hole (1601) in the second rod body (4), one end, far away from the moving plate (6), of the connecting rod (7) extends into the cavity and is provided with a limiting block, the limiting block is arranged in the cavity in a sliding mode, and one end, far away from the rotating shaft (3), of the hole (1601) in the first rod body (2) extends to the inner surface of the handheld frame (1);

a strip-shaped rod (10) is arranged in the handheld frame (1), two ends of the strip-shaped rod (10) are connected with the inner surface of the handheld frame (1) in a sliding way, the middle part of one side of the bar-shaped rod (10) close to the first rod body (2) is provided with a mounting ring (15), one side of the limiting block positioned in the cavity far away from the connecting rod (7) is also provided with the mounting ring (15), a traction line (16) is jointly fixed between the two mounting rings (15), and the traction wire (16) is simultaneously positioned in the wire holes (1601) in the first rod body (2), the rotating shaft (3) and the second rod body (4), a threaded rod (11) is fixed in the middle of one side of the strip-shaped rod (10) far away from the first rod body (2), one end of the threaded rod (11) far away from the bar-shaped rod (10) is connected with a threaded pipe (12) in a threaded manner, one end of the threaded pipe (12) far away from the threaded rod (11) is rotatably connected with the handheld frame (1).

2. The orthodontic pliers according to claim 1, wherein sliding blocks (17) are mounted at two ends of the bar-shaped rod (10), sliding grooves (18) matched with the two sliding blocks (17) are formed in the inner surface of the hand-held frame (1), and the bar-shaped rod (10) is connected with the inner surface of the hand-held frame (1) in a sliding mode through the sliding blocks (17) and the sliding grooves (18).

3. The orthodontic pliers according to claim 1, wherein the front surface of the arc-shaped rod (8) is provided with anti-slip lines (801), and the tail end of the fastening bolt (9) is tightly contacted with the anti-slip lines (801) on the front surface of the arc-shaped rod (8).

4. The orthodontic pliers according to claim 1, wherein two ends of the rotating shaft (3) extend out of the outer vertical surface of the first rod body (2) and are provided with limiting pieces, and the first rod body (2) and the second rod body (4) are provided with rotating holes matched with the rotating shaft (3).

5. Orthodontic pliers according to claim 1, characterized in that the points of connection of said arc-shaped bars (8) to said first (2) and second (4) bars are offset from the centre line of said first (2), rotation (3) and second (4) bars and close to the front surface side of said first (2) and second (4) bars.

6. The orthodontic pliers according to claim 1 or 5, wherein one end of the first rod body (2) close to the rotating shaft (3) is provided with an arc-shaped sliding hole matched with the arc-shaped rod (8) in a penetrating way.

7. The orthodontic pliers according to claim 1, characterized in that the hand wheels (14) are mounted on the side walls of the threaded tubes (12).

8. The orthodontic pliers according to claim 1, characterized in that the fixing plates (5) are internally provided with transverse sliding holes matched with the connecting rods (7).