Orthodontic self-ligating bracket structure
By combining the bracket body, round tube and cover plate structure, the cover plate is self-locked and fixed by using nickel-titanium round tube and dumbbell-shaped limiting lock groove, which solves the problems of complex assembly and poor comfort of self-locking brackets, and improves stability and comfort.
Patent Information
- Application Number
- CN202422597270.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-25
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-10-25
AI Technical Summary
Self-locking brackets on the market have problems such as complicated assembly, excessive height, and poor comfort.
The structure consists of a combined bracket, a round tube, and a cover plate. The round tube is a deformable and resilient nickel-titanium round tube, and the limiting locking groove is a dumbbell-shaped structure. The cover plate is self-locking and fixed by being able to be pushed in but not pulled out through the combination of guide rail and connecting slide.
It improves the stability of cover plate installation, reduces production difficulty and cost, and improves patient wearing comfort.
Smart Images

Figure CN223489869U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of orthodontic medical technology, specifically to an orthodontic self-ligating bracket structure. Background Technology
[0002] Self-ligating orthodontic brackets are orthodontic devices made of metal or ceramic materials that are fixed to the surface of teeth using a special adhesive during orthodontic treatment. The brackets accommodate and further secure the orthodontic wire, accurately transmitting force to the teeth being corrected, thus achieving the goal of orthodontic treatment. Compared to traditional orthodontic techniques, self-ligating brackets significantly reduce the friction between the wire and the bracket, accelerating tooth movement and effectively shortening the overall treatment time.
[0003] Most self-locking brackets on the market are assembled by welding the bracket body to the bottom of the mesh. The cover plate and the bracket body are assembled first, then the lock cylinder structure is inserted from the back of the bracket body, and finally the bottom of the mesh is welded to achieve the assembly. The product is relatively thick and has the disadvantages of complicated assembly, excessively high self-locking bracket, and poor comfort. Summary of the Invention
[0004] The purpose of this invention is to provide an orthodontic self-locking bracket structure in order to solve the above-mentioned problems.
[0005] This utility model achieves the above-mentioned objective through the following technical solution: an orthodontic self-locking bracket structure, comprising a structural body, the structural body comprising a bracket body, a round tube and a cover plate connected in combination;
[0006] The bracket body is provided with an upwardly protruding guide rail, the guide rail is provided with a round tube insertion hole, the round tube is inserted into the round tube insertion hole, and a front end clearance groove communicating with the round tube is provided on one side.
[0007] The inner side of the cover is provided with a connecting groove, the guide rail is slidably connected to the connecting groove, the cover is installed and connected to the support body through the connecting groove and the guide rail, the connecting groove is provided with a limiting lock groove, and the upper end of the round tube is locked in the limiting lock groove.
[0008] Preferably, the guide rail and the connecting groove have the same structure, and both the guide rail and the connecting groove have a structure that is wider at the top and narrower at the bottom.
[0009] Preferably, the circular tube is an elastic structure.
[0010] Preferably, the circular tube is a nickel-titanium circular tube.
[0011] Preferably, the cover plate is not fixedly connected to the bracket body, and the round tube is fixedly connected to both the bracket body and the cover plate.
[0012] Preferably, the limiting locking groove has a structure that is wide at both ends and narrow in the middle.
[0013] Preferably, the bottom of the bracket body is provided with a bracket body bottom plate that extends horizontally outward, and the bracket body bottom plate is integrally formed with the bracket body.
[0014] The beneficial effects of this utility model are:
[0015] 1. By setting the round tube as a deformable and resilient nickel-titanium round tube and setting the limiting locking groove as a dumbbell-shaped structure with large ends and small middle, during the assembly of the cover plate, the round tube is squeezed into an elliptical structure and snaps into the limiting locking groove, thereby realizing the limiting and fixing installation of the cover plate and improving the stability of the cover plate installation structure.
[0016] 2. By combining the limiting locking groove and the front clearance groove, the cover can be pushed in but not pulled out during the assembly process, thus achieving self-locking installation of the cover, reducing production difficulty and cost, and improving the patient's wearing comfort. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the orthodontic self-locking bracket structure of this utility model;
[0018] Figure 2 This is an exploded view of the orthodontic self-locking bracket structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the installation structure of the circular tube and the bracket body in the orthodontic self-locking bracket structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the cover plate structure in the orthodontic self-locking bracket structure of this utility model;
[0021] Figure 5 This is a schematic diagram of the bracket body structure in the orthodontic self-locking bracket structure of this utility model.
[0022] In the picture:
[0023] 1. Cover plate; 2. Round tube; 3. Support plate; 4. Round tube insertion hole; 5. Front clearance groove; 6. Guide rail; 7. Connecting slide groove; 8. Limit lock groove. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] like Figure 1-5 As shown:
[0026] In this embodiment, an orthodontic self-ligating bracket structure includes a main body comprising a bracket body 3, a circular tube 2, and a cover plate 1 connected in combination. The circular tube 2 is an elastic structure with deformation and rebound properties, capable of transforming from a circular tube to an elliptical tube during compression, thus achieving overall assembly of the bracket body 3, the circular tube 2, and the cover plate 1. The circular tube 2 is inserted into the bracket body 3, and the cover plate 1 is slidably connected to the bracket body 3. The upper end of the circular tube 2 is engaged in a limiting locking groove 8 on the inner side of the cover plate 1. The bracket body 3 is provided with an upwardly protruding guide rail 6, and the guide rail 6 is provided with a circular tube insertion hole 4. The circular tube insertion hole 4 penetrates the guide rail 6 and extends into the bracket body 3. A round tube 2 is inserted into the round tube insertion hole 4. A front clearance groove 5 communicating with the round tube 2 is provided on one side. By providing the front clearance groove 5 at the front end of the bracket body 3 and not providing a clearance groove at the rear end of the bracket body 3, a self-locking structure in which the cover plate 1 can be pushed in but cannot be pulled out is achieved. A connecting slide groove 7 is provided on the inner side of the cover plate 1. The guide rail 6 is slidably connected to the connecting slide groove 7. The cover plate 1 is installed and connected to the bracket body 3 through the connecting slide groove 7 and the guide rail 6. A limiting lock groove 8 is provided in the connecting slide groove 7. The upper end of the round tube 2 is snapped into the limiting lock groove 8. The limiting lock groove 8 is a dumbbell structure that is large at both ends and narrow in the middle, so as to realize the sliding installation connection between the cover plate 1 and the bracket body 3.
[0027] It should be noted that the guide rail 6 and the connecting groove 7 have the same structure. Both the guide rail 6 and the connecting groove 7 have a structure that is wider at the top and narrower at the bottom. The guide rail 6 is slidably engaged in the connecting groove 7.
[0028] It should be noted that the round tube 2 is an elastic structure that can deform and rebound, and the round tube 2 is a nickel-titanium round tube. The diameter of the round tube 2 and the round tube insertion hole 4 is 0.4mm. The cover plate 1 is pushed into the guide rail 6 along the guide rail 6 to realize the assembly connection between the cover plate 1 and the bracket body 3.
[0029] It should be noted that the cover plate 1 is not fixedly connected to the bracket body 3, and the round tube 2 is not fixedly connected to the bracket body 3 and the cover plate 1, thereby realizing the assembly connection of the bracket body 3, the round tube 2 and the cover plate 1.
[0030] It should be noted that the limiting locking groove 8 has a structure that is wide at both ends and narrow in the middle. During the assembly process, the upper end of the round tube 2 is engaged in the limiting locking groove 8 on the inner side of the cover plate 1 to limit and lock the cover plate 1.
[0031] It should be noted that the bottom of the bracket body 3 is provided with a bracket body base plate 9 that extends horizontally outward, and the bracket body base plate 9 is integrally formed with the bracket body 3, and the edge of the bracket body 3 is a smooth arc-shaped structure.
[0032] Working principle:
[0033] The bracket body 3 is provided with a round tube insertion hole 4 for assembling the round tube 2 and a guide rail 6 for engaging the cover plate 1. The round tube insertion hole 4 penetrates the guide rail 6, and the round tube 2 is inserted into the round tube insertion hole 4. The round tube 2 is a deformable and resilient nickel-titanium round tube. The inner side of the cover plate 1 is provided with a connecting groove 7 corresponding to the guide rail 6. The connecting groove 7 is provided with a dumbbell-shaped limiting lock groove 8. The guide rail 6 and the connecting groove 7 realize the installation connection between the cover plate 1 and the bracket body 3. Through the combination of the front clearance groove 5 and the limiting lock groove 8, the round tube is secured during assembly. 2. The upper end is engaged with the limiting lock groove 8 to realize the self-locking structure of the cover 1, which can be pushed in but cannot be pulled out. During the assembly process, the left and right fixation is realized through the structural setting of the guide rail 6 and the connecting slide groove 7. The front and rear limiting fixation of the cover 1 is realized through the structural setting of the round tube 2 and the limiting lock groove 8. Through the combination of the limiting lock groove 8 and the front clearance groove 5, the self-locking fixation of the cover 1, which can be pushed in but cannot be pulled out, is realized during the assembly process, which improves the stability of the self-locking cover 1, the comfort of the patient wearing the self-locking bracket, and reduces the difficulty of the production process.
[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. An orthodontic self-locking bracket structure, characterized in that, It includes a main structure, which includes a bracket (3), a round tube (2) and a cover plate (1) that are connected in combination. The bracket body (3) is provided with an upwardly protruding guide rail (6), the guide rail (6) is provided with a round tube insertion hole (4), the round tube (2) is inserted into the round tube insertion hole (4), and a front end clearance groove (5) communicating with the round tube (2) is provided on one side. The inner side of the cover plate (1) is provided with a connecting groove (7), the guide rail (6) is slidably connected with the connecting groove (7), the cover plate (1) is installed and connected to the bracket body (3) through the connecting groove (7) and the guide rail (6), the connecting groove (7) is provided with a limiting lock groove (8), and the upper end of the round tube (2) is locked in the limiting lock groove (8).
2. The orthodontic self-ligating bracket structure according to claim 1, characterized in that: The guide rail (6) has the same structure as the connecting groove (7), and both the guide rail (6) and the connecting groove (7) have a structure that is wider at the top and narrower at the bottom.
3. The orthodontic self-ligating bracket structure according to claim 1, characterized in that: The circular tube (2) is an elastic structure.
4. The orthodontic self-ligating bracket structure according to claim 3, characterized in that: The circular tube (2) is a nickel-titanium circular tube.
5. The orthodontic self-ligating bracket structure according to claim 1, characterized in that: The cover plate (1) is not fixedly connected to the bracket body (3), and the round tube (2) is not fixedly connected to the bracket body (3) and the cover plate (1).
6. The orthodontic self-ligating bracket structure according to claim 1, characterized in that: The limiting lock groove (8) has a structure that is wide at both ends and narrow in the middle.
7. The orthodontic self-ligating bracket structure according to claim 1, characterized in that: The bottom of the bracket body (3) is provided with a bracket body bottom plate (9) that extends outward horizontally, and the bracket body bottom plate (9) is integrally formed with the bracket body (3).