A dual cover plate orthodontic self-ligating bracket

Abstract

The application discloses a double-cover-plate dental orthodontic self-locking bracket, characterized in that the bracket further comprises a lock arranged on the bracket body and the cover plates and used for limiting the positions of the cover plates; the cover plates are cover plate one and cover plate two which are slidably arranged on the bracket body. The application sets the top of the double cover plates into a smooth arc shape, so that the bracket is smooth and round as a whole, the patients have a more suitable experience, and the side edges of the bracket can not stimulate the oral cavity and cause oral ulcer. The double cover plates are arranged, so that when the cover plates are opened, the two cover plates move to the two sides at the same time, the opening and closing stroke of the double cover plates is reduced by half compared with the single cover plate, the structure is compact, the protruding part is not too long when the cover plates are opened, the oral cavity is not uncomfortable, the moving stroke of the double cover plates is shortened, the disengagement length of the double cover plates from the guide rail is reduced, and the work is more stable.

Description

TECHNICAL FIELD

[0001] The present application relates to orthodontic self-ligating brackets, in particular to a double cover plate orthodontic self-ligating bracket. BACKGROUND

[0002] Many orthodontic self-ligating brackets on the market are square in design, not smooth and round, and because their corners are relatively sharp, they can cause friction with the mucosa when eating, easily causing oral ulcers in patients.

[0003] And the brackets in the prior art basically include a bracket body, a cover plate and an elastic member, for example, a kind of orthodontic bracket with publication number CN109394358A, the orthodontic bracket includes a main body and a cover body, the main body is provided with a main groove, the main body is provided with a limiting wing on both sides, the cover body is arranged between the limiting wings on both sides of the main body;First, its shape design is square, not smooth and round, and the bracket is a single cover plate, when the cover plate needs to be opened, the moving stroke of the cover plate is too long, causing the cover plate to extend out of the bracket part on the other side to be longer, the longer extending part can cause discomfort to the patient, and after the longer extending part, the connecting part of the cover plate and the bracket is shorter, causing the overall structure to be unstable.

[0004] There are also self-ligating brackets designed as spherical or round in the prior art, but the spherical or round brackets are not convenient to position in clinical operation, have no clamping surface, so that doctors cannot stably clamp and operate, and some have very large or high shape size, which causes discomfort experience of the patient. Therefore, a double cover plate orthodontic self-ligating bracket is proposed. SUMMARY

[0005] The purpose of the present application is to solve the above problems and provide a double cover plate orthodontic self-ligating bracket.

[0006] In order to achieve the above purpose, the present application provides a double cover plate orthodontic self-ligating bracket, which comprises a bracket body, a cover plate installed on the bracket body and a tooth tapping groove arranged between the cover plate and the bracket body;It is characterized in that it further comprises a lock arranged on the bracket body and the cover plate for limiting the position of the cover plate;The cover plate is a cover plate one and a cover plate two slidably installed on the bracket body.

[0007] Further preferably, the cover plate one and the cover plate two are symmetrically installed on the bracket body.

[0008] Further preferably, the bracket body is provided with a guide rail for sliding of the cover plate one and the cover plate two, and the cover plate one and the cover plate two are provided with a sliding groove matched with the guide rail.

[0009] Further preferably, the guide rail is arranged in an inverted trapezoidal or inverted triangular or single-side inverted triangular or single-side inverted L shape.

[0010] Further preferably, the cover plate one and the cover plate two are arranged in a smooth arc shape.

[0011] Further preferably, the bracket body is provided with a ligation part for facilitating ligation, and the ligation part is provided with a plurality of clamping surfaces for facilitating clinical operation clamping.

[0012] Further preferably, the lock catch comprises a limiting column mounted on the bracket body, a lock sleeve movably mounted on the bracket body and located outside the limiting column, a lock slot arranged on the cover plate one and the cover plate two and matched with the lock sleeve, and a guide slot arranged at the bottom of the lock slot and matched with the limiting column.

[0013] Further preferably, the lock slot is two ring slots matched and communicated with the lock sleeve, and a limiting lock block is formed between the ring slots.

[0014] Further preferably, the cover plate one and the cover plate two are provided with a slot for facilitating simultaneous opening of the cover plate one and the cover plate two.

[0015] Further preferably, the bracket body 1 is further provided with a plurality of dovetail grooves arranged in parallel or a plurality of dovetail grooves arranged in a staggered manner or a mesh structure.

[0016] The cover plate one and the cover plate two are arranged in a smooth arc shape, the bracket is smooth and round as a whole, the patient has a more suitable experience, the side edges of the bracket do not cause mucosal irritation of the oral cavity, and the side effects of oral ulcer are eliminated or reduced; the cover plate one and the cover plate two are arranged, the two cover plates move to both sides when the cover plate is opened, the opening and closing stroke of the double cover plates is reduced by half compared with the single cover plate, the structure is compact, the protruding part does not cause discomfort of the oral cavity when the cover plate is opened, the moving stroke of the double cover plates is shortened, the disengagement length of the double cover plates and the guide rail is reduced, and the work is more stable.

[0017] The double lock catches are arranged, the structure is simple, the position of the double cover plates on the bracket body is limited when the double cover plates are opened or closed, and the double cover plates are prevented from being easily moved and disengaged.

[0018] The double guide rails are arranged, the movement of the double cover plates is more reliable and stable, the guide rails are arranged in an inverted trapezoidal or inverted triangular or single-side inverted triangular or single-side inverted L shape, the up-down and front-back positions of the cover plate one and the cover plate two on the bracket body are limited through cooperation of the guide rails and the sliding grooves, and the opening and closing of the cover plate one and the cover plate two are guided. BRIEF DESCRIPTION OF DRAWINGS

[0019] ATTACHMENT Figure 1is a structural schematic diagram of the present application;

[0020] attached Figure 2 is a partial structural schematic diagram of the present application;

[0021] attached Figure 3 is a partial structural schematic diagram of the double cover plate in the present application;

[0022] attached Figure 4 is a structural schematic diagram of another embodiment of the present application;

[0023] attached Figure 5 is a structural schematic diagram of another embodiment of the present application

[0024] attached Figure 6 is a structural schematic diagram of another embodiment of the present application.

[0025] Legend: 1, bracket body; 11, guide rail; 12, ligation part; 13, clamping surface; 2, cover plate; 3, tooth tapping groove; 4, lock catch; 41, limiting column; 42, lock sleeve; 43, lock groove; 44, guide groove; 45, ring groove; 46, limiting lock block; 51, cover plate one; 52, cover plate two; 53, sliding groove; 54, slot; 6, dovetail groove; 7, mesh structure. DETAILED DESCRIPTION

[0026] The double cover plate orthodontic self-locking bracket described in the present application will be further described below in combination with the drawings.

[0027] Reference Figures 1-6As shown in the figure, a double cover plate orthodontic self-locking bracket includes a bracket body 1, a cover plate 2 mounted on the bracket body 1, and a tooth tapping groove 3 arranged between the cover plate 2 and the bracket body 1; characterized in that it further includes a lock 4 arranged on the bracket body 1 and the cover plate 2 for limiting the position of the cover plate 2; the cover plate 2 is a cover plate one 51 and a cover plate two 52 slidingly mounted on the bracket body 1; the cover plate one 51 and the cover plate two 52 are symmetrically mounted on the bracket body 1; through the arrangement of the cover plate one 51 and the cover plate two 52, the top of the cover plate one 51 and the cover plate two 52 is arranged in a circular arc shape, so that the overall bracket is smooth and round, providing a more suitable experience for patients, and eliminating or reducing the side effects of oral ulcer caused by mucosal irritation of the bracket corners; at the same time, the arrangement of the cover plate one 51 and the cover plate two 52 enables the two side cover plates to move to both sides when the cover plate one 51 and the cover plate two 52 are opened, so that the opening or closing stroke of the cover plate one 51 and the cover plate two 52 is reduced by half compared with a single cover plate, the structure is compact, and the protruding part does not cause discomfort to the oral cavity when the cover plate is opened, while the moving stroke of the cover plate one 51 and the cover plate two 52 is shortened, the disengagement length of the cover plate one 51 and the cover plate two 52 from the guide rail is reduced, and the work is more stable; through the arrangement of the double lock 4, the structure is simple, and the position of the cover plate one 51 and the cover plate two 52 on the bracket body 1 is limited when the cover plate one 51 and the cover plate two 52 are opened or closed, avoiding easy movement and disengagement.

[0028] Further, the bracket body 1 is provided with a guide rail 11 for facilitating the sliding of the double cover plate 5, and the cover plate one 51 and the cover plate two 52 are provided with a sliding groove 53 matched with the guide rail 11, so that the movement of the cover plate one 51 and the cover plate two 52 is more reliable and stable,

[0029] The guide rail 11 is arranged in an inverted trapezoidal or inverted triangular or single-sided inverted triangular or single-sided inverted L shape; at the same time, the guide rail 11 is arranged in an inverted trapezoidal or inverted triangular or single-sided inverted triangular or single-sided inverted L shape, so that the up-down and front-back positions of the cover plate one 51 and the cover plate two 52 on the bracket body 1 are limited through the cooperation of the guide rail 11 and the sliding groove 53, and the opening and closing of the cover plate one 51 and the cover plate two 52 are guided.

[0030] Further, the cover plate one 51 and the cover plate two 52 are in a smooth arc shape.

[0031] Further, the bracket body 1 is provided with a ligation part 12 for facilitating ligation, and the ligation part 12 is provided with a plurality of clamping surfaces 13 for facilitating clinical operation and clamping; through the arrangement of the ligation part 12, the bottom of the bracket body 1 has a large ligation space, which is convenient for clinical ligation operation and control; at the same time, through the arrangement of the plurality of clamping surfaces 13, the clamping is facilitated during clinical operation, so that the clamping or clamping has sufficient space, which is convenient for operation.

[0032] Further, the lock 4 comprises a limiting column 41 installed on the bracket body 1, a lock sleeve 42 movably installed on the bracket body 1 and outside the limiting column 41, a lock groove 43 provided on the cover plate one 51 and the cover plate two 52 and matched with the lock sleeve 42, and a guide groove 44 provided at the bottom of the lock groove 43 and matched with the limiting column 41; the position of the lock sleeve 42 is limited by the limiting column 41; the positions of the cover plate one 51 and the cover plate two 52 on the bracket body 1 are limited by the lock sleeve 42 and the lock groove 43; the movement of the lock sleeve 42 in the lock groove 43 is guided when the cover plate one 51 and the cover plate two 52 are opened by the guide groove 44.

[0033] Further, the lock groove 43 is two ring grooves 45 matched with and communicated with the lock sleeve 42, and a limiting lock block 46 is formed between the ring grooves 45; the two communicated ring grooves are used as the lock groove 43, one of which is the position when the cover plate one 51 and the cover plate two 52 are opened, and the other of which is the position when the cover plate one 51 and the cover plate two 52 are closed, and the position of the lock sleeve 42 in the ring groove 45 is limited by the limiting lock block 46.

[0034] Further, the joint of the cover plate one 51 and the cover plate two 52 is provided with a slot 54 for facilitating the opening of the cover plate one 51 and the cover plate two 52; when the cover plate one 51 and the cover plate two 52 need to be opened, a tool such as a flathead screwdriver is inserted into the slot 54 and rotated to form an outward extrusion force on the cover plate one 51 and the cover plate two 52, and the lock sleeve 42 is extruded by the limiting lock block 46 when the cover plate one 51 and the cover plate two 52 move outward, so that the lock sleeve 42 is clamped into another ring groove 45 to complete the opening of the cover plate one 51 and the cover plate two 52; when the cover plate one 51 and the cover plate two 52 need to be closed, an inward extrusion force is formed on the cover plate one 51 and the cover plate two 52 by hand or a tool to push the cover plate one 51 and the cover plate two 52 to close; meanwhile, when one side of the cover plate is accidentally separated, the cover plate on the other side can still block the steel wire in the tooth tapping groove 3 to prevent the steel wire from being separated from the bracket body 1.

[0035] Further, the bracket body 1 is further provided with a plurality of dovetail grooves 6 in parallel array or a plurality of dovetail grooves 6 in staggered arrangement or a mesh structure 7, and the dovetail grooves 6 and the mesh structure 7 are used to increase the firmness of the connection between the adhesive and the bracket body 1, thereby increasing the firmness of the bracket installed on the tooth.

[0036] The protection scope of the present application is not limited to the above embodiments and their transformations. The routine modifications and replacements made by the skilled in the art based on the content of the embodiments all belong to the protection scope of the present application.

Claims

1. A double cover plate orthodontic self-ligating bracket, comprising a bracket body (1), a cover plate (2) mounted on the bracket body (1), and a tooth tapping groove (3) arranged between the cover plate (2) and the bracket body (1); characterized in that Also include the setting in the bracket body (1) and cover plate (2) for the cover plate (2) position is limited to make double cover plate in the opening or closing of the double cover plate on the bracket body position is limited, avoid its easily move and cause the lock (4) of the off; The cover plate (2) is slidingly installed on the bracket body (1), the opening or closing stroke is reduced by half compared with single cover plate, compact structure, avoid the cover plate opening when the protruding part is too long and cause the discomfort of the mouth of the cover plate one (51) and cover plate two (52); The shape of the cover plate one (51) and cover plate two (52) is smooth arc shape; The lock (4) includes a limiting column (41) installed on the bracket body (1), a lock sleeve (42) movably installed on the bracket body (1) and located outside the limiting column (41), a lock slot (43) provided on the cover plate one (51) and cover plate two (52) and adapted with the lock sleeve (42), and a guide slot (44) provided at the bottom of the lock slot (43) and adapted with the limiting column (41); The lock slot (43) is two circle grooves (45) adapted with the lock sleeve (42) and communicated, and the limiting lock block (46) is formed between the circle groove (45) and the circle groove (45); The cover plate one (51) and cover plate two (52) are provided with a slot (54) for facilitating the simultaneous opening of the cover plate one (51) and cover plate two (52).

2. The dual-ledge orthodontic self-ligating bracket of claim 1, wherein: The cover plate one (51) and cover plate two (52) are symmetrically installed on the bracket body (1).

3. The dual-shield orthodontic self-ligating bracket of claim 1, wherein: The bracket body (1) is provided with a guide rail (11) for facilitating the sliding of the cover plate one (51) and cover plate two (52), and the cover plate one (51) and cover plate two (52) are provided with a sliding groove (53) adapted with the guide rail (11).

4. The dual overlay orthodontic self-ligating bracket of claim 3, wherein: The guide rail (11) is arranged in inverted trapezoidal or inverted triangular or single-sided inverted triangular or single-sided inverted L shape.

5. The dual-ledge orthodontic self-ligating bracket of claim 3, wherein: The bracket body (1) is provided with a ligation part (12) for facilitating ligation, and the ligation part (12) is provided with a plurality of clamping surfaces (13) for facilitating clinical operation clamping.

6. The dual-shielded orthodontic self-ligating bracket of claim 1, wherein: The bracket body (1) is further provided with a plurality of dovetail grooves (6) arranged in parallel or a plurality of dovetail grooves (6) arranged in staggered or a mesh structure (7).

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