Orthodontic self-ligating bracket

Abstract

The orthodontic self-ligating bracket comprises a bracket body and a lock cover, one side of the bracket body is used for being bonded with a tooth surface, an arch wire groove is formed in the other side of the bracket body, a sliding groove communicated with the arch wire groove is formed in the side, provided with the arch wire groove, of the bracket body, and the lock cover is installed on the bracket body in a sliding mode through the sliding groove. The bracket body is provided with a shaft wire at the bottom of the sliding groove, and the two ends of the shaft wire are free ends; an adjusting groove is formed in the side, close to the bottom of the sliding groove, of the lock cover, the end, close to the arch wire groove, of the adjusting groove communicates with the outside of the lock cover to form a mounting opening, and the shaft wire is slidably mounted in the adjusting groove in the sliding direction of the lock cover. A plurality of limiting protruding blocks are arranged on the two sides, in the sliding direction of the lock cover, in the adjusting groove at intervals, and limiting grooves allowing the shaft wires to be clamped in are formed between the limiting protruding blocks and the groove wall of the adjusting groove. The limiting protruding blocks located on the two sides of the adjusting groove are arranged in a one-to-one correspondence mode, and guide faces are arranged on the sides close to each other. The application has the effects of reducing the situation of locking and unlocking failure of the lock cover and guaranteeing the treatment progress.

Description

Technical Field

[0001] The present invention relates to the field of dental medicine, and particularly to an orthodontic self-ligating bracket. Background Art

[0002] At present, as an important innovation in the field of orthodontic treatment, self-ligating brackets have occupied an increasingly important position in orthodontic technology in recent years. Their unique self-locking design not only simplifies the operation process of orthodontic treatment, but also significantly improves the treatment efficiency and patient comfort.

[0003] Existing ones, such as the Chinese patent document with the publication number CN214908444U and the patent name of a dental orthodontic self-ligating bracket, include a base plate. A bracket body is provided on the base plate. An arch wire groove, an axial hole, an axial wire and a lock cover are provided on the bracket body. The lock cover is slidably connected to the bracket body. The axial hole is located on one side of the arch wire groove. The axial wire has elasticity. The axial wire is inserted into the axial hole and deforms, so that the end of the axial wire abuts against the hole wall of the axial hole, and the side of the axial wire abuts against the lock cover; when installing the axial wire, after inserting the axial wire into the axial hole, it is also necessary to weld the two ends of the axial wire to the axial hole by a welding torch.

[0004] In view of the above related technologies, since the axial wire needs to be welded to the axial hole, there may be a situation where the welding is not firm, resulting in the failure of the switch lock, which in turn affects the treatment progress. Utility Model Content

[0005] In order to reduce the situation of the switch lock failure of the lock cover and ensure the treatment progress, the present application provides an orthodontic self-ligating bracket.

[0006] The orthodontic self-ligating bracket provided by the present application adopts the following technical solutions:

[0007] An orthodontic self-ligating bracket includes a bracket body and a lock cover. One side of the bracket body is used for bonding to the tooth surface, and the other side is provided with an arch wire groove. A sliding groove communicating with the arch wire groove is provided on the side of the bracket body where the arch wire groove is opened. The lock cover is slidably installed on the bracket body through the sliding groove. An axial wire is installed at the bottom of the sliding groove of the bracket body, and both ends of the axial wire are free ends; an adjustment groove is provided on one side of the lock cover close to the bottom of the sliding groove. One end of the adjustment groove close to the arch wire groove communicates with the outside of the lock cover to form an installation port. The axial wire is slidably installed in the adjustment groove in the sliding direction of the lock cover; a plurality of limiting protrusions are spaced apart on both sides in the sliding direction of the lock cover in the adjustment groove. A limiting groove for the axial wire to be inserted into is formed between the limiting protrusion and the groove wall of the adjustment groove; the limiting protrusions on both sides of the adjustment groove are arranged in one-to-one correspondence, and a guiding surface is provided on the side close to each other.

[0008] By adopting the above technical solution, when in use, the lock cover slides downward into the sliding groove with one end having the installation opening, and the installation opening allows the shaft wire to slide smoothly into the adjustment groove; then the shaft wire is inserted into one of the limit grooves, so that the arch wire slot is in an open state; then after the arch wire is inserted, the lock cover is slid, and the two ends of the shaft wire are guided by the guide surfaces on the limit protrusions, so that during the sliding process of the lock cover, the two ends of the shaft wire are bent, and then restored when entering the next limit groove, so that the shaft wire is inserted into another limit groove, until the lock cover is completely Blocking the archwire slot; the above structure still uses the traditional axis wire to position the lock cover, but there is no need to open an axis wire hole, no need to perform welding operations, and no need to design other customized spring pieces. The assembly is simple and stable, and it is not easy to fall out; and the axis wire is in a natural state when it is in the limit groove. During the correction process, the number of unlocking times is very small, and the bracket is in the locked state for a long time. Therefore, compared with some situations where the lock cover is in a compressed state after the positioning is completed, it is not easy to deform and fail, and the lock cover can be opened smoothly when it needs to be opened.

[0009] Preferably, the lock cover is provided with locking protrusions on both sides of the installation port, and the locking protrusion has a plane perpendicular to the sliding direction of the locking block on one side facing the adjustment groove, and an inclined surface for guiding the end of the shaft wire into the limiting groove on the other side.

[0010] By adopting the above technical solution, when the lock cover is slid into the sliding groove and the slide axis wire is in the corresponding position, the inclined surface on the locking protrusion can make the two ends of the axis wire deform and enter the first limit groove and then restore to a natural state, so as to successfully complete the installation of the lock cover; and the side of the locking protrusion away from the inclined surface is a plane, so the lock cover will not fall out of the sliding groove and enter the patient's cavity during the subsequent unlocking and moving of the lock cover.

[0011] Preferably, a limiting protrusion is respectively provided on both sides of the adjustment groove, that is, a pair of limiting grooves are provided, the limiting groove close to the archwire groove is an unlocking groove, and the other limiting groove is a locking groove.

[0012] By adopting the above technical solution, since a general bracket has only two states, unlocked and locked, during use, the limit slots are set as a pair, with only an unlocking slot and a locking slot, so that the overall operation efficiency is higher.

[0013] Preferably, the guide surface is in an arc shape.

[0014] By adopting the above technical solution, the guide surface is set to be in an arc shape, so that the deformation of the shaft wire guide is smoother.

[0015] Preferably, the bracket body is provided with a pair of locking protrusions at the bottom of the sliding groove, the two locking protrusions are spaced apart in the sliding direction of the lock cover, the axis wire is clamped between the two locking protrusions, and both ends of the axis wire extend out from between the two locking protrusions.

[0016] By adopting the above technical solution, the shaft wire can be directly pressed into the position between the two locking protrusions to complete the installation of the shaft wire, and the installation is simple and convenient.

[0017] Preferably, a buckle groove is provided on the bracket body near the notch of the archwire slot and directly opposite to the locking cover.

[0018] By adopting the above technical solution, when the lock cover needs to be opened, a tool such as a probe can be inserted into the buckle groove, and the lock cover can be opened by prying it lightly, providing operating space and facilitating use.

[0019] Preferably, a force block is provided on one side of the locking cover away from the bottom of the sliding groove and close to one end of the archwire groove.

[0020] By adopting the above technical solution, when using a probe or other tool to open the lock cover, the torque at the contact point between the probe and the lock cover is increased, and the lock cover can be opened upward with less force, thereby improving the convenience of opening the lock cover.

[0021] Preferably, the bracket body is provided with limiting sliding grooves on both sides of the bottom of the sliding groove, and limiting sliding blocks are provided on both sides of the lock cover, and the limiting sliding blocks are slidingly installed on the bracket body through the limiting sliding grooves.

[0022] By adopting the above technical solution, when the lock cover is moved to slide in the sliding groove, the limiting slider slides in the limiting sliding groove, so that the lock cover can slide stably and smoothly in the sliding groove.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The traditional axis wire is still used to position the lock cover, but there is no need to open an axis wire hole, perform welding operations, or design other customized springs. The assembly is simple and stable, and it is not easy to fall out. In addition, the axis wire is in a natural state when it is in the limit groove. During the correction process, the number of unlockings is very small, and the bracket is in the locked state for a long time. Therefore, compared with some situations where the lock cover is in a compressed state after the positioning is completed, it is not easy to deform and fail, and the lock cover can be opened smoothly when it needs to be opened;

[0025] 2. Set the limit slots as a pair, and only set the unlocking slot and the locking slot, so that the overall operation efficiency is higher;

[0026] 3. The shaft wire can be directly pressed into the position between the two locking bumps, and the installation of the shaft wire can be completed, which is simple and convenient. Brief Description of the Drawings

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 2 It is a schematic diagram of the structure of the bracket body of an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram of the structure of the locking cover of an embodiment of the present application.

[0030] Figure 4 It is a sectional view of the structure of the locking cover installed on the bracket body of an embodiment of the present application.

[0031] Description of the Reference Numerals:

[0032] 1. Bracket body; 11. Bottom plate; 12. Arch wire groove; 13. Sliding groove; 14. Limiting sliding groove; 15. Locking bump; 16. Shaft wire; 17. Buckling groove; 2. Locking cover; 21. Limiting slider; 22. Adjusting groove; 23. Installation opening; 24. Limiting convex block; 241. Guide surface; 25. Limiting groove; 251. Unlocking groove; 252. Locking groove; 26. Anti-lock convex block; 261. Inclined surface; 27. Force-applying block. Detailed Description of the Embodiment

[0033] The following is a further detailed description of the present application in conjunction with the attached Figures 1-4 drawings.

[0034] An orthodontic self-locking bracket is disclosed in an embodiment of the present application. Referring to Figure 1 , the orthodontic self-locking bracket includes a bracket body 1 and a locking cover 2. Here, the bracket body 1 can be an anterior tooth bracket or a posterior tooth bracket. In this embodiment, the posterior tooth bracket is taken as an example for description; a bottom plate 11 is fixedly installed on one side of the bracket body 1, and an arch wire groove 12 is opened on the other side. The cross-sectional area of the bottom plate 11 is larger than that of the bracket body 1. The bottom plate 11 is in an arc shape adapted to the tooth surface. The side of the bottom plate 11 away from the bracket body 1 is used for bonding to the tooth surface. A reticulate pattern is provided on the side of the bottom plate 11 away from the bracket body 1, so that the bottom plate 11 is more firmly adhered to the tooth surface; a sliding groove 13 is opened on the side of the bracket body 1 where the arch wire groove 12 is opened. The sliding groove 13 extends upward in the depth direction perpendicular to the arch wire groove 12. One end of the sliding groove 13 communicates with the arch wire groove 12, and the other end extends out of the top of the bracket body 1. The locking cover 2 is slidably installed on the bracket body 1 through the sliding groove 13. One end of the locking cover 2 abuts against the notch of the arch wire groove 12 and is on the side away from the sliding groove 13, and the other end extends to be flush with the top of the sliding groove 13. Thus, after the arch wire is inserted into the arch wire groove 12, the sliding locking cover 2 can limit the arch wire in the arch wire groove 12.

[0035] Reference Figure 1 、 Figure 2 and Figure 3 As shown in FIGS.

[0036] Reference Figure 2 As shown in FIG.

[0037] Reference Figure 3 and Figure 4 As shown in FIGS.

[0038] Reference Figure 3 and Figure 4, locking covers 2 are provided with anti-locking bumps 26 on both sides of the mounting opening 23. The side of the anti-locking bump 26 facing the inside of the adjustment groove 22 is a plane perpendicular to the sliding direction of the locking block, and the other side is provided with an inclined surface 261 for guiding the end of the arch wire 16 into the limiting groove 25. Thus, when installing the locking cover 2, it can be inserted into the sliding groove 13 from one end of the mounting opening 23, and the inclined surface 261 is used to avoid the arch wire 16, so that the arch wire 16 can smoothly enter the adjustment groove 22; and it can also prevent the arch wire 16 from leaving the adjustment groove 22 subsequently.

[0039] Referring to Figure 1 , a buckling groove 17 is formed at the position of the bracket body 1 near the notch of the arch wire groove 12 and facing the locking cover 2. A force application block 27 is integrally formed at the position of the bottom side of the locking cover 2 away from the sliding groove 13 and near the buckling groove 17. Thus, when the locking cover 2 needs to be opened, a tool such as a probe can be inserted into the buckling groove 17, and the locking cover 2 can be opened by gently prying it with a little force.

[0040] The implementation principle of an orthodontic self-locking bracket in an embodiment of the present application is as follows: During use, the locking cover 2 slides into the sliding groove 13 with the end provided with the mounting opening 23 facing downwards. Through the inclined surface 261, the arch wire 16 can smoothly slide into the adjustment groove 22 and be caught in the unlocking groove 251, so that the arch wire groove 12 is in an open state; then after the arch wire is clamped, the locking cover 2 is further slid. Through the guiding action of the guiding surfaces 241 at both ends of the arch wire 16, when the locking cover 2 slides, the two ends of the arch wire 16 are bent and then restored when entering the locking groove 252, so that the locking cover 2 completely blocks the arch wire groove 12.

[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An orthodontic self-locking bracket, comprising a bracket body (1) and a locking cover (2). One side of the bracket body (1) is used for bonding to the tooth surface, and the other side is provided with an arch wire groove (12). A sliding groove (13) communicating with the arch wire groove (12) is provided on the side of the bracket body (1) where the arch wire groove (12) is opened. The locking cover (2) is slidably mounted on the bracket body (1) through the sliding groove (13), characterized in that, The bracket body (1) is provided with an arch wire (16) installed at the bottom of the sliding groove (13), and both ends of the arch wire (16) are free ends; on one side of the lock cover (2) close to the bottom of the sliding groove (13), an adjustment groove (22) is formed, and one end of the adjustment groove (22) close to the arch wire groove (12) communicates with the outside of the lock cover (2) to form an installation opening (23), and the arch wire (16) is slidably installed in the adjustment groove (22) in the sliding direction towards the lock cover (2); on both sides of the adjustment groove (22) in the sliding direction towards the lock cover (2), a plurality of limit bumps (24) are arranged at intervals, and a limit groove (25) for the arch wire (16) to be caught in is formed between the limit bump (24) and the groove wall of the adjustment groove (22); the limit bumps (24) on both sides of the adjustment groove (22) are arranged in one-to-one correspondence, and a guiding surface (241) is arranged on one side close to each other.

2. The self-ligating orthodontic bracket according to claim 1, wherein, On both sides of the lock cover (2) at the installation opening (23), locking prevention bumps (26) are provided. The side of the locking prevention bump (26) facing the inside of the adjustment groove (22) is a plane perpendicular to the sliding direction of the lock cover (2), and on the other side, an inclined surface (261) for guiding the end of the arch wire (16) into the limit groove (25) is provided.

3. An orthodontic self-ligating bracket according to claim 1, wherein, One limit bump (24) is arranged on each of the two sides in the adjustment groove (22), that is, a pair of limit grooves (25) are provided. The limit groove (25) close to the arch wire groove (12) is an unlocking groove (251), and the other limit groove (25) is a locking groove (252).

4. The orthodontic self-locking bracket according to claim 1, wherein The guiding surface (241) is arc-shaped.

5. An orthodontic self-ligating bracket according to claim 1, characterized in that, The bracket body (1) is provided with a pair of locking position bumps (15) at the bottom of the sliding groove (13). The two locking position bumps (15) are arranged at intervals in the sliding direction towards the lock cover (2). The arch wire (16) is clamped between the two locking position bumps (15), and both ends of the arch wire (16) extend out between the two locking position bumps (15).

6. An orthodontic self-ligating bracket according to claim 1, wherein At the position of the notch of the bracket body (1) close to the arch wire groove (12) and facing the lock cover (2), a buckling groove (17) is formed.

7. An orthodontic self-locking bracket according to claim 6, wherein, On one side of the lock cover (2) far from the bottom of the sliding groove (13) and close to one end of the arch wire groove (12), a force application block (27) is provided.

8. An orthodontic self-locking bracket according to claim 1, wherein, On both sides of the bottom of the sliding groove (13) of the bracket body (1), limit sliding grooves (14) are formed. On both sides of the lock cover (2), limit sliding blocks (21) are provided, and the limit sliding blocks (21) are slidably installed on the bracket body (1) through the limit sliding grooves (14).

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