Self-locking bracket with C-shaped indentation clamping point structure

Abstract

The utility model relates to the technical field of orthodontic instruments, and provides a self-locking bracket with a C-shaped indentation clamping point structure. Comprising a bracket and a cover plate, and the bracket and the cover plate are connected in a self-locking mode through a C-shaped inward-shrinkage clamping point structure. A first clamping column and a second clamping column are arranged at the two ends of the C-shaped spring of the C-shaped inward-shrinkage clamping point structure respectively, and the height of the first clamping column and the height of the second clamping column are larger than the height of the C-shaped spring. The self-locking bracket disclosed by the utility model has the beneficial effects that the bracket and the cover plate of the self-locking bracket are in self-locking connection through the C-shaped retraction clamping point structure, the first clamping column and the second clamping column are respectively arranged at the two ends of the C-shaped spring of the C-shaped retraction clamping point structure, the cover plate can move on the bracket and is self-locked and limited by pulling the cover plate, and the self-locking bracket is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of oral orthodontic instruments, and particularly relates to a self-locking bracket with a C-shaped retracted clamping point structure. Background Art

[0002] In orthodontic treatment, brackets are the most commonly used components. Currently, various self-locking brackets have emerged in clinical applications, greatly facilitating the locking of arch wires in brackets by clinicians. However, many current self-locking structures are complex.

[0003] In view of this, the present utility model is proposed. Summary of the Utility Model

[0004] The purpose of the present utility model is to provide a self-locking bracket with a C-shaped retracted clamping point structure to solve the technical problems existing in the prior art.

[0005] To achieve the above purpose, the technical solution adopted by the present utility model is: a self-locking bracket with a C-shaped retracted clamping point structure, comprising: a bracket and a cover plate, and the bracket and the cover plate are self-locked and connected through a C-shaped retracted clamping point structure;

[0006] Both ends of the C-shaped spring of the C-shaped retracted clamping point structure are respectively provided with a first clamping post and a second clamping post, and the heights of the first clamping post and the second clamping post are greater than the height of the C-shaped spring.

[0007] In an optional embodiment, a first wing plate and a second wing plate are arranged on the bracket body of the bracket, and an arch wire groove is formed between the first wing plate and the second wing plate.

[0008] In an optional embodiment, an avoidance groove is further arranged on the bracket body, and the avoidance groove is located between a first slideway and a second slideway respectively formed inside both sides of the second wing plate.

[0009] In an optional embodiment, both ends of the C-shaped groove part of the avoidance groove respectively form a first arc groove and a second arc groove outward.

[0010] In an optional embodiment, a spacer limiting plate is further arranged inside the avoidance groove, and the spacer limiting plate is located at the middle position between the first arc groove and the second arc groove.

[0011] In an optional embodiment, a first slide bar and a second slide bar are arranged on both sides of the cover plate, and the first slide bar and the second slide bar are respectively in sliding fit with the first slideway and the second slideway.

[0012] In an optional embodiment, a first guiding part is arranged at the front end of the bottom of the cover plate, and the first guiding part includes a first guiding inclined surface and a second guiding inclined surface, and the first guiding inclined surface and the second guiding inclined surface form a V-shaped opening.

[0013] In an alternative embodiment, a limiting portion and a second guiding portion are further provided at the bottom of the cover plate, and the limiting portion is adjacent to the first guiding portion.

[0014] In an alternative embodiment, the second guiding portion includes a first guiding plane and a second guiding surface. Two ends of the first guiding plane are respectively adjacent to the fourth arc-shaped groove and the sixth arc-shaped groove, and two ends of the second guiding surface are respectively adjacent to the third arc-shaped groove and the fifth arc-shaped groove.

[0015] In an alternative embodiment, the C-shaped spring is made of nickel-titanium alloy.

[0016] The beneficial effect of the present utility model is that: the bracket and the cover plate of the self-locking bracket are self-locked and connected through a C-shaped retracted clamping point structure. First clamping posts and second clamping posts are respectively arranged at two ends of the C-shaped spring of the C-shaped retracted clamping point structure. By pulling the cover plate, the cover plate can move and be self-locked and limited on the bracket. The structure is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic diagram of the overall structure of a self-locking bracket with a C-shaped retracted clamping point structure provided by an embodiment of the present utility model.

[0019] Figure 2 It is a schematic diagram of the structure of a bracket body provided by an embodiment of the present utility model.

[0020] Figure 3 It is a schematic diagram of the structure of a cover plate provided by an embodiment of the present utility model. Figure 1 。

[0021] Figure 4 It is a schematic diagram of the structure of a cover plate provided by an embodiment of the present utility model. Figure 2 。

[0022] Figure 5 It is a schematic diagram of the structure of a cover plate provided by an embodiment of the present utility model. Figure 3 。

[0023] Figure 6 It is a schematic diagram of the structure of a C-shaped retracted clamping point structure provided by an embodiment of the present utility model.

[0024] Among them, the reference numerals in the drawings are:

[0025] 1 - Bracket, 11 - Bracket body, 12 - First wing plate, 13 - Second wing plate, 14 - Clearance groove, 15 - Arch wire groove, 16 - Mesh bottom; 131 - First slideway, 132 - Second slideway; 141 - C-shaped groove part, 142 - First arc groove, 143, Second arc groove, 144 - Spacing limiting plate;

[0026] 2 - Cover plate, 21 - Cover plate body, 22 - First slide bar, 23 - Second slide bar, 24 - First guiding part, 25 - Limiting part, 26 - Second guiding part; 241 - First guiding inclined plane, 242 - Second guiding inclined plane; 251 - Third arc groove, 252 - Fourth arc groove, 253 - Fifth arc groove, 254 - Sixth arc groove; 261 - First guiding plane, 262 - Second guiding plane;

[0027] 3 - C-shaped retracting clamping point structure, 31 - C-shaped spring, 32 - First clamping post, 33 - Second clamping post. Detailed implementation mode

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0029] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly or indirectly located on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component. The orientations or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positions shown in the accompanying drawings, and are only for the convenience of description and cannot be construed as limiting the technical solution of the present application. The terms "first" and "second" are only used for the purpose of convenient description and cannot be construed as indicating or implying relative importance or implicitly indicating the quantity of technical features. The meaning of "a plurality" is two or more, and the meaning of "several" is any quantity including one, unless otherwise clearly and specifically defined.

[0030] Please refer to the attached Figures 1-6, the purpose of this embodiment is to provide a self-locking bracket with a C-shaped retracted clamping point structure, including: a bracket 1 and a cover plate 2, which are self-locked and connected through a C-shaped retracted clamping point structure 3 between the bracket 1 and the cover plate 2; both ends of the C-shaped spring 31 of the C-shaped retracted clamping point structure 3 are respectively provided with a first clamping post 32 and a second clamping post 33, and the heights of the first clamping post 32 and the second clamping post 33 are greater than the height of the C-shaped spring 31. In this embodiment, the tops of the first clamping post 32 and the second clamping post 33 are semi-spherical. The C-shaped spring 31 is made of nickel-titanium alloy, so that the C-shaped spring 31 can reset after being deformed.

[0031] Specifically, a first wing plate 12 and a second wing plate 13 are provided on the bracket body 11 of the bracket 1, and an arch wire groove 15 is formed between the first wing plate and the second wing plate 13. An avoidance groove 14 is also provided on the bracket body 11, and the avoidance groove 14 is located between a first slideway 131 and a second slideway 132 formed respectively in the inner parts on both sides of the second wing plate 13.

[0032] Furthermore, both ends of the C-shaped groove part of the avoidance groove 14 respectively form a first arc groove 142 and a second arc groove 143 outward. The first arc groove 142 and the second arc groove 143 are used to cooperate with the first clamping post 32 and the second clamping post 33 to accommodate the first clamping post 32 and the second clamping post 33 when the C-shaped spring 31 is not stressed. An interval limiting plate 144 is also provided inside the avoidance groove 14, and the interval limiting plate 144 is located at the middle position between the first arc groove 142 and the second arc groove 143. The interval limiting plate 144 contacts the C-shaped spring 31.

[0033] In addition, first slide bars 22 and second slide bars 23 are provided on both sides of the cover plate 2, and the first slide bars 22 and the second slide bars 23 are respectively in sliding cooperation with the first slideway 131 and the second slideway 132, so that the cover plate 2 can move along the bracket 1.

[0034] Finally, a first guiding part 24 is provided at the front end of the bottom of the cover plate 2. The first guiding part 24 includes a first guiding inclined surface 241 and a second guiding inclined surface 242, and the first guiding inclined surface 241 and the second guiding inclined surface 242 form a V-shaped opening, which is convenient for the installation of the cover plate 1. A limiting part 25 and a second guiding part 26 are also provided at the bottom of the cover plate 2, and the limiting part 25 is adjacent to the first guiding part 24. The second guiding part 26 includes a first guiding plane 261 and a second guiding surface 262. Both ends of the first guiding plane 261 are respectively adjacent to a fourth arc groove 252 and a sixth arc groove 254, and both ends of the second guiding surface 262 are respectively adjacent to a third arc groove 251 and a fifth arc groove 253.

[0035] In use, the C-shaped inwardly retractable clamping point structure 3 is installed in the clearance groove 14. The first sliding strip 22 and the second sliding strip 23 of the cover plate 2 are inserted into the first sliding groove 131 and the second sliding groove 132 of the bracket body 11. Under the action of the first guiding portion 24, the first clamping post 32 and the second clamping post 33 are engaged and limited with the fourth arc groove 252 and the third arc groove 251, and the first clamping post 32 and the second clamping post 33 are simultaneously located in the first arc groove 142 and the second arc groove 143. When the cover plate 2 is pushed, the C-shaped spring 31 contracts, and the first clamping post 32 and the second clamping post 33 at both ends of the C-shaped spring 31 are slidably engaged with the first guiding plane 261 and the second guiding surface 262 and then enter the sixth arc groove 254 and the fifth arc groove 253. The C-shaped spring 31 resets, and the second clamping post 33 is simultaneously located in the first arc groove 142 and the second arc groove 143. The bracket of the self-locking bracket and the cover plate 2 are self-locked and connected through the C-shaped inwardly retractable clamping point structure 3. The two ends of the C-shaped spring 31 of the C-shaped inwardly retractable clamping point structure 3 are respectively provided with the first clamping post 32 and the second clamping post 33. By pulling the cover plate 2, the cover plate 2 can move on the bracket 1 and be self-locked and limited. The structure is simple and convenient to use.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A self-locking bracket with a C-shaped retracted clamping point structure, characterized in that: include: A bracket (1) and a cover plate (2), wherein the bracket (1) and the cover plate (2) are self-lockingly connected via a C-shaped inwardly retracted clamping point structure (3); A first clamping column (32) and a second clamping column (33) are respectively provided at both ends of the C-shaped spring (31) of the C-shaped retracted clamping point structure (3); the height of the first clamping column (32) and the second clamping column (33) is greater than the height of the C-shaped spring (31).

2. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 1, characterized in that: A first wing plate (12) and a second wing plate (13) are provided on a bracket body (11) of the bracket (1), and an archwire slot (15) is formed between the first wing plate and the second wing plate (13).

3. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 2, characterized in that: The bracket body (11) is also provided with a clearance groove (14), and the clearance groove (14) is located between a first slideway (131) and a second slideway (132) respectively formed inside two sides of the second wing plate (13).

4. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 3, characterized in that: Two ends of the C-shaped groove portion of the air avoidance groove (14) are outwardly formed into a first arc-shaped groove (142) and a second arc-shaped groove (143), respectively.

5. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 4, characterized in that: A spacing limit plate (144) is also provided inside the air avoidance groove (14), and the spacing limit plate (144) is located in the middle of the first arc-shaped groove (142) and the second arc-shaped groove (143).

6. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 3, characterized in that: A first slide bar (22) and a second slide bar (23) are provided on both sides of the cover plate (2), and the first slide bar (22) and the second slide bar (23) are slidably matched with the first slide track (131) and the second slide track (132) respectively.

7. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 6, characterized in that: A first guide portion (24) is provided at the front end of the bottom of the cover plate (2), the first guide portion (24) comprising a first guide slope (241) and a second guide slope (242), the first guide slope (241) and the second guide slope (242) forming a V-shaped opening.

8. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 7, characterized in that: The bottom of the cover plate (2) is also provided with a limiting portion (25) and a second guiding portion (26), and the limiting portion (25) is adjacent to the first guiding portion (24).

9. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 8, characterized in that: The second guide portion (26) comprises a first guide plane (261) and a second guide plane (262), wherein two ends of the first guide plane (261) are respectively adjacent to the fourth arc-shaped groove (252) and the sixth arc-shaped groove (254), and two ends of the second guide surface (262) are respectively adjacent to the third arc-shaped groove (251) and the fifth arc-shaped groove (253).

10. The self-locking bracket with a C-shaped retracted clamping point structure according to claim 1, characterized in that: The C-shaped spring (31) is made of nickel-titanium alloy.

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