Passive self-ligating bracket

Abstract

The passive self-ligating bracket comprises a bottom plate, a working wing and a groove, the working wing is arranged on one side of the bottom plate, two containing grooves with upward openings are formed in the side, close to the bottom plate, of the working wing, the arrangement direction of the two containing grooves is perpendicular to the connecting direction of the bottom plate and the working wing, and traction hooks are detachably arranged in the containing grooves. A groove is formed in one side, far away from the bottom plate, of the working wing, and is used for placing an arch wire to fix a case tooth; the detachable traction hook is arranged in the containing grooves, when the traction hook does not need to be used, the traction hook can be detached, so that the discomfort caused by the fact that the traction hook is located in the mouth of a patient all the time is reduced to a certain degree, and meanwhile the situation that the patient is scratched by the traction hook is reduced; and the required placing position can be freely selected according to the actual condition of the case.

Description

Technical Field

[0001] The utility model relates to the technical field of tooth brackets, in particular to a passive self-locking bracket. Background Art

[0002] Brackets are force-bearing devices in fixed orthodontic correction technology. They are directly fixed to the teeth through adhesives. The archwires apply various types of correction forces to the teeth through the brackets. Therefore, brackets are important components in orthodontic treatment. Traction hooks are generally set on the brackets. The traction hooks are used to put on rubber bands. Through the tension between the rubber bands, the teeth are moved in the target direction to achieve the purpose of straightening the teeth.

[0003] For example, in the patent with publication number CN207236864U, the traction hook is fixed and protrudes on the top of the working wing of the bracket (such as the attached Figure 7 As shown in the figure, the round protrusion on the upper left corner of the bracket is a traction hook), and the bracket is generally used for 1.5 to 2 years. The presence of the traction hook will not only affect the patient's comfort, but also may scratch the oral cavity.

[0004] In view of this, the existing technology still needs to be improved and developed. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a passive self-locking bracket, aiming to solve the problem that the traction hooks on the existing brackets affect the patient's comfort and even scratch the patient's oral cavity.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows:

[0007] A passive self-ligating bracket, characterized by comprising:

[0008] Base plate;

[0009] A working wing is arranged on one side of the bottom plate, and two receiving grooves with openings facing upward are arranged on one side of the working wing close to the bottom plate, and the arrangement direction of the two receiving grooves is perpendicular to the connection direction of the bottom plate and the working wing, and a traction hook is detachably arranged inside the receiving groove;

[0010] A groove is arranged on the side of the working wing away from the base plate, and the interior of the groove is used for placing an arch wire.

[0011] Furthermore, a horizontal slot is provided on one side of the working wing away from the base plate for placing an auxiliary arch wire, and the horizontal slot is located at the upper part of the groove.

[0012] Furthermore, a locking cover is slidably provided on one side of the working wing to cover the groove.

[0013] Furthermore, a guide groove is provided on one side of the working wing, and a guide buckle is provided on one side of the locking cover, and the guide groove and the guide buckle are slidably matched to enable the locking cover to cover or open the groove.

[0014] Furthermore, a first stopper and a second stopper are provided on one side of the working wing, a locking groove is provided on the locking cover close to the working wing, a spring sheet is provided inside the locking groove, and the spring sheet cooperates with the first stopper and the second stopper to lock the locking cover.

[0015] Furthermore, a first sink groove is provided on one side of the working wing, and the first sink groove is located on the top of the locking cover.

[0016] Furthermore, one side of the lock cover is a curved surface.

[0017] Furthermore, a first groove and a second groove are provided on a side of the working wing close to the bottom plate.

[0018] Furthermore, the bottom plate is square, the four corners of the bottom plate are rounded, and arc-shaped protrusions are provided on both sides of the top of the bottom plate.

[0019] Furthermore, a circular arc surface is provided on a side of the working wing away from the bottom plate.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] In the utility model, a working wing is provided on one side of the base plate, and two receiving grooves with openings facing upward are provided on the side of the working wing close to the base plate, and the arrangement direction of the two receiving grooves is perpendicular to the connection direction of the base plate and the working wing. A traction hook is detachably provided inside the receiving groove, and a groove is provided on the side of the working wing away from the base plate, and the groove is used to place an arch wire to fix the teeth of the patient. By arranging a detachable traction hook inside the receiving groove, the traction hook can be removed when it is not needed, thereby reducing the discomfort of the traction hook being in the patient's mouth to a certain extent, and also reducing the situation of the patient being scratched by the traction hook. In addition, by means of the two receiving grooves provided on the working wing, the placement position of the traction hook can be freely selected according to the actual situation of the case. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 This is a schematic diagram of the structure of the accommodating tank of the utility model.

[0024] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0025] Figure 4This is a schematic diagram of the guide groove structure of the utility model.

[0026] Figure 5 This is a schematic diagram of the guide buckle structure of the utility model.

[0027] Figure 6 This is a schematic diagram of the structure of the traction hook of the utility model.

[0028] Figure 7 It is a schematic diagram of the bracket structure in the prior art of the utility model.

[0029] The numbers in the figure are as follows: 1. bottom plate; 2. working wing; 21. receiving groove; 22. horizontal slot; 23. guide groove; 24. first stopper; 25. second stopper; 26. first sinker; 27. first groove; 28. second groove; 3. groove; 4. locking cover; 41. guide buckle; 42. locking groove; 43. spring sheet; 5. traction hook; 51. spherical protrusion; 52. first fixing rod; 53. second fixing rod. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In view of the shortcomings of the prior art, this embodiment provides a passive self-locking bracket, which can be specifically described as follows:

[0034] As attached Figure 1 and attached Figure 2 As shown, a passive self-ligating bracket comprises a base plate 1, a working wing 2 and a groove 3. The base plate 1 is an arc-shaped base plate for attaching to the patient's teeth. The base plate 1 is provided with a working wing 2 on one side, and the working wing 2 is provided with a groove 3 on the side away from the base plate 1. The groove 3 is used to place an archwire to fix the bracket and the teeth. The side of the working wing 2 close to the base plate 1 is provided with two receiving grooves 21 with openings facing upwards. The arrangement direction of the two receiving grooves 21 is perpendicular to the connection direction of the base plate 1 and the working wing 2. The two receiving grooves 21 are located on both sides of the working wing 2. A traction hook 5 (such as the attached Figure 6 As shown in the figure, the traction hook 5 can be inserted into the receiving groove 21 to be fixed, and then the teeth can be tightened by setting a rubber ring. The traction hook 5 can be set in both receiving grooves 21. At the same time, the traction hook 5 can be placed in a suitable receiving groove 21 according to the patient's condition, so as to facilitate the fixing of the rubber ring; by setting a detachable traction hook 5 in the receiving groove 21, the traction hook 5 can be removed when the traction hook 5 is not needed, thereby reducing the discomfort of the traction hook 5 being in the patient's mouth to a certain extent, and also reducing the situation of the patient being scratched by the traction hook 5. In addition, by setting the two receiving grooves 21 on the working wing 2, the placement position of the traction hook 5 can be freely selected according to the actual situation of the case.

[0035] Further, as attached Figure 6 As shown, the bottom of the accommodating groove 21 is open, the top of the traction hook 5 is a spherical protrusion 51, a first fixing rod 52 is arranged at the bottom of the spherical protrusion 51, and a second fixing rod 53 is arranged at the bottom of the first fixing rod 52. The diameter of the first fixing rod 52 is greater than the diameter of the second fixing rod 53, and the second fixing rod 53 can be placed in the accommodating groove 21; when in use, the second fixing rod 53 of the traction hook 5 can be placed in the accommodating groove 21, and the bottom end of the second fixing rod 53 protrudes from the bottom opening of the accommodating groove 21, the bottom wall of the first fixing rod 52 is supported on the top wall of the working wing 2, and the traction hook 5 is fixed in the accommodating groove 21 by bending the second fixing rod 53 protruding from the accommodating groove 21.

[0036] Furthermore, the interior of the accommodating groove 21 is a square slot, and the second fixing rod 53 at the bottom end of the traction hook 5 is a square rod, so that the traction hook 5 cooperates with the square slot, and then is fixed by bending the bottom end position of the second fixing rod 53; the interior of the accommodating groove 21 is not limited to a square slot, and can also be a circular slot or an irregular shape, etc.

[0037] As attached Figure 1 and attached Figure 3 As shown, a horizontal slot 22 is provided on the side of the working wing 2 away from the base plate 1 for placing an auxiliary arch wire; the horizontal slot 22 is arranged parallel to the groove 3, and the horizontal slot 22 is arranged on the upper part of the groove 3. The horizontal slot 22 and the groove 3 cooperate with each other to realize the bracket double-wire technology, that is, an auxiliary arch wire is placed in the horizontal slot 22 and an arch wire is arranged in the groove 3.

[0038] Furthermore, the side of the horizontal slot 22 away from the base plate 1 is in a closed state. When an auxiliary arch wire needs to be set inside the horizontal slot 22, it can pass through the openings on both sides of the horizontal slot 22.

[0039] As attached Figure 3 As shown, a locking cover 4 is slidably provided on one side of the working wing 2 to cover the groove 3. A placement groove is provided at the lower part of one side of the working wing 2, and the placement groove is located below the groove 3. The locking cover 4 is slidably provided in the placement groove. The top wall of the locking cover 4 cooperates with the top wall of the placement groove, and the outer surface of the locking cover 4 cooperates with the surface of the working wing 2 at the top of the placement groove to prevent gaps and misalignment between the locking cover 4 and the working wing 2, which may easily cause residual food residues, etc.; the groove 3 can be covered or opened by sliding the locking cover 4 with the placement groove.

[0040] Furthermore, a guide groove 23 is provided on one side of the working wing 2, and the guide groove 23 is located in the placement groove. A guide buckle 41 is provided on one side of the locking cover 4. The guide groove 23 and the guide buckle 41 are slidably matched to enable the locking cover 4 to cover or open the groove 3, and the locking cover 4 can be detached from the working wing 2 by continuously sliding the locking cover 4 downward, so that the working wing 2 and the locking cover 4 can be cleaned conveniently.

[0041] Further, as attached Figure 3 , Attachment Figure 4 and attached Figure 5 As shown, a first stopper 24 and a second stopper 25 are provided on one side of the working wing 2, and the first stopper 24 and the second stopper 25 are located on the side of the working wing 2 contacting the lock cover 4, and a locking groove 42 is provided on the lock cover 4 close to the working wing 2. When the working wing 2 and the lock cover 4 are slidably matched, the first stopper 24 and the second stopper 25 slide in the locking groove 42, and a spring sheet 43 is provided inside the locking groove 42. The spring sheet 43 is arc-shaped and can be compressed and deformed. The spring sheet 43 cooperates with the first stopper 24 and the second stopper 25 to lock the lock cover 4.

[0042] Specifically, the guide buckle 41 of the lock cover 4 cooperates with the guide groove 23 of the working wing 2. When the lock cover 4 slides, the lock cover 4 and the working wing 2 cooperate with each other. When the top wall of the lock cover 4 contacts the top wall of the placement groove of the working wing 2, the spring sheet 43 is located above the first stop block 24, and the first stop block 24 limits the spring sheet 43; when the groove 3 needs to be opened, the groove 3 can be exposed by sliding the lock cover 4 downward. At this time, the spring sheet 43 is located between the first stop block 24 and the second stop block 25, and under the action of the first stop block 24 and the second stop block 25, the lock cover 4 is locked to prevent the lock cover 4 from sliding out of the working wing 2 or re-blocking the groove 3.

[0043] Furthermore, a first groove 26 is provided on one side of the working wing 2, and the first groove 26 is located at the top of the lock cover 4 so that the top wall of the lock cover 4 is exposed; when the lock cover 4 needs to be slid downward, a tool can be placed in the first groove 26 to squeeze the top wall of the lock cover 4 downward, so that the lock cover 4 can slide downward. The first groove 26 is provided to facilitate the sliding of the lock cover 4.

[0044] Furthermore, the side of the locking cover 4 away from the working wing 2 is an arc-shaped surface, which facilitates contact and friction with the skin of the patient's mouth and prevents the working wing 2 from scratching the patient's mouth by setting a right angle or groove. The side wall of the locking cover 4 contacts and cooperates with the side wall of the working wing 2 to form an arc-shaped surface. The bottom position of the locking cover 4 is an arc-shaped surface, which cooperates with the arc-shaped surface at the bottom of the working wing 2.

[0045] Furthermore, a first groove 27 and a second groove 28 are provided on one side of the working wing 2 close to the base plate 1. The first groove 27 and the second groove 28 are respectively located at the upper end and the lower end of the working wing 2, so as to facilitate the doctor to tie and fix the archwire.

[0046] Furthermore, the base plate 1 is square, and the four corners of the base plate 1 are rounded, and arc-shaped protrusions are provided on both sides of the top of the base plate 1, so that the base plate 1 is similar to a panda's head. By setting the arc-shaped rounded corners of the base plate 1, it is avoided that the patient's gums and oral mucosa are scratched by the corners of the base plate 1. At the same time, while reducing the incidence of oral ulcers, the panda-shaped base plate 1 also increases the fun of orthodontic treatment, subverts the patient's extremely serious perception of previous orthodontic treatment, and makes the patient change from being shy to open the mouth and smile to being willing to open the mouth and smile after wearing the bracket, which effectively improves the patient's compliance and cooperation with the treatment.

[0047] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the solutions disclosed herein. The present invention is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present solution. The specification and examples are to be regarded as exemplary only, and the true scope and spirit of the present invention are indicated by the claims.

Claims

1. A passive self-ligating bracket, characterized in that: include: Base plate; A working wing is arranged on one side of the bottom plate, and two receiving grooves with openings facing upward are arranged on one side of the working wing close to the bottom plate, and the arrangement direction of the two receiving grooves is perpendicular to the connection direction of the bottom plate and the working wing, and a traction hook is detachably arranged inside the receiving groove; A groove is arranged on the side of the working wing away from the base plate, and the interior of the groove is used for placing an arch wire.

2. A passive self-ligating bracket according to claim 1, characterized in that: A horizontal slot is provided on one side of the working wing away from the base plate for placing an auxiliary arch wire, and the horizontal slot is located at the upper part of the groove.

3. The passive self-ligating bracket according to claim 1, characterized in that: A locking cover is slidably provided on one side of the working wing to cover the groove.

4. The passive self-ligating bracket according to claim 3, characterized in that: A guide groove is arranged on one side of the working wing, and a guide buckle is arranged on one side of the locking cover. The guide groove and the guide buckle are slidably matched so that the locking cover covers or opens the groove.

5. The passive self-ligating bracket according to claim 4, characterized in that: A first stopper and a second stopper are provided on one side of the working wing, a locking groove is provided on the locking cover close to the working wing, a spring sheet is provided inside the locking groove, and the spring sheet cooperates with the first stopper and the second stopper to lock the locking cover.

6. The passive self-ligating bracket according to claim 5, characterized in that: A first sinking groove is arranged on one side of the working wing, and the first sinking groove is located at the top of the locking cover.

7. The passive self-ligating bracket according to claim 3, characterized in that: One side of the lock cover is an arc-shaped surface.

8. The passive self-ligating bracket according to claim 1, characterized in that: The working wing is provided with a first groove and a second groove on one side close to the bottom plate.

9. The passive self-ligating bracket according to claim 1, characterized in that: The bottom plate is square, the four corners of the bottom plate are rounded, and arc-shaped protrusions are arranged on both sides of the top of the bottom plate.

10. The passive self-ligating bracket according to claim 1, characterized in that: A circular arc surface is arranged on one side of the working wing away from the bottom plate.

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