TWM624275U - Structure of self-locking aligner - Google Patents

Abstract

The present invention relates to a structure of a self-locking orthodontist. The main structure includes a base body, an accommodating groove formed on the base body, an elastic body including two elastic clip arms, a connecting portion and an accommodating space. , a movable cover body movably arranged on the base body, a positioning piece arranged at the bottom of the movable cover body and movable in the accommodating groove, a sliding opening formed on one side of the accommodating groove, a positioning piece formed on the side of the accommodating groove The locking portion at the end, two space avoidance spaces respectively formed between the elastic clip arm and the side wall of the accommodating groove, and two guiding inclined surfaces formed on both sides of the positioning member. Thereby, the elastic clip arm is used to replace the spring or the rubber ring, so as to improve the durability of the self-locking orthosis, and in conjunction with the structural design of the positioning member, the operability and the fixing strength of the self-locking orthodontic device are taken into consideration.

Description

The structure of the self-locking corrector

The present invention provides a structure of a self-locking corrector, especially a structure of a self-locking corrector with simple structure, high durability, good operability and high fixing strength.

Press, the self-locking orthodontic device mainly solves the shortcomings of the traditional orthodontic device. The self-locking orthodontic device can use a fixed orthodontic wire to reduce the use of a ligature wire or an elastic body for ligation. When the self-locking straightener is in an open state, the straightening wire can be inserted or released, and when the self-locking straightener is in a closed state, the straightening wire can be fixed in the straightening wire groove.

However, the above-mentioned self-locking aligners have the following problems and defects that need to be improved:

First, the manufacturing and assembling process is very complicated, which not only causes low manufacturing efficiency, but also leads to high manufacturing costs and high sales prices.

Second, the slide cover usually has an open position and a closed position, and after the slide cover moves between the open position and the closed position for several times, the self-locking orthosis is prone to lose its function due to the elastic fatigue of the rubber ring or the spring.

Third, due to the small overall size, the strength of the fixing strength of the sliding cover will make it difficult for the user to handle the operation. On the contrary, if the fixing strength of the sliding cover is too large, the user needs a larger force to operate, which causes the patient to be corrected to feel too strong.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and the relevant manufacturers engaged in this industry are eager to research and improve.

Therefore, in view of the above-mentioned deficiencies, the applicant of this new model collects relevant information, evaluates and considers from various parties, and uses the accumulated experience in this industry for many years, through continuous trials and revisions, before starting. The patentee who designs the structure of the self-locking aligner with simple structure, high durability, good operability and high fixing strength.

The main purpose of this new model is to use the elastic clip arm in the accommodating groove to restrict the positioning piece at the bottom of the movable cover, so that when the movable cover moves between the open position and the closed position of the base body, both operational convenience and fixation can be taken into account. Strength, and then reduce costs and improve service life with a simpler structure.

In order to achieve the above purpose, the main structure of the new model includes: a base body, an accommodating groove, an elastic body including two elastic clip arms, a connecting part and a accommodating space, a movable cover, a positioning member, A sliding port, a locking portion, two avoidance spaces, and two guiding slopes. The accommodating groove is formed on the base body, the elastic body is placed in the accommodating groove, the two ends of the connecting portion are respectively connected to the elastic clamping arms, the accommodating space is formed between the elastic clamping arms, and the movable cover body moves Set on the base body, the positioning piece is set at the bottom of the movable cover and is movable in the accommodating groove, the sliding opening is formed on one side of the accommodating groove for the positioning piece to pass through, and the locking portion is formed at the end of the positioning piece The two avoidance spaces are respectively formed between the elastic clip arm and the side wall of the accommodating slot, so as to accommodate the elastic clip when the positioning member pushes the elastic clip arm The arm is communicated with the accommodating space and the sliding opening, and the two guiding inclined surfaces are formed on both sides of the positioning member to push the elastic clip arms into the avoiding space respectively.

When the user performs dental correction using the present invention, the base body is also combined with the tooth surface, and the movable cover is used to control the opening and closing actions. In the closed state, the positioning member is located in the receiving space, and the elastic clip arm restricts the displacement of the positioning member to achieve the purpose of strengthening the fixing effect of the fixed movable cover. When the user pulls out the movable cover, the elastic clip arm can retreat to the avoidance space, and the accommodating space is communicated with the sliding opening, so the positioning member can be passed through the accommodating slot, but is caught The stop part is against the influence of the elastic clip arm, so that the movable cover body will not be separated from the base body, so the user can open the movable cover body only by applying a little force, and the operation convenience is still taken into account. When the movable cover is closed, the guide slopes are used to push the elastic clip arms to the avoidance spaces on both sides, which has the advantages of structural strength, simplified design and convenient operation.

With the above-mentioned technology, the conventional self-locking aligners can overcome the problems of complex structure and process, high price, easy elastic fatigue, short service life, and the fixed strength of the sliding cover is not easy to handle, etc., to achieve the above advantages. practical progress.

1, 1a: base body

11, 11a: accommodating groove

111: sliding port

112, 112a: Avoidance space

12: Wire groove part

2, 2a: Elastomer

21, 21a: elastic clamp arm

211: Hook

212: Flat

213a: Oblique face

22, 22a: Connection part

221a: inner recess

23, 23a: Containment space

4, 4a: movable cover

5, 5a: Positioning parts

51, 51a: Locking part

52a: Projection

53, 53a: Guide slope

54a: Marking Department

541a: Shrinkage

542a: Gradient

The first figure is a three-dimensional perspective view of the preferred embodiment of the new type.

The second figure is an exploded view of the preferred embodiment of the new model.

The third figure is a plan perspective view of the preferred embodiment of the new model.

The fourth figure is a schematic diagram (1) of the action of opening the cover according to the preferred embodiment of the new model.

Figure 5 is a schematic diagram (2) of the action of opening the cover according to the preferred embodiment of the new model.

Figure 6 is a schematic diagram of the action of the cover according to the new preferred embodiment.

Fig. 7 is a plan perspective view of still another preferred embodiment of the present invention.

Figure 8 is an exploded view of another preferred embodiment of the new model.

In order to achieve the above purpose and effect, the technical means and structure adopted by the present invention are described in detail with reference to the preferred embodiment of the present invention and its features and functions are as follows, so as to be fully understood.

Please refer to the first and second figures, which are three-dimensional perspective views and exploded views of the preferred embodiment of the present invention. It can be clearly seen from the figures that the present invention includes:

a base body 1;

An accommodating groove 11 is formed on the base body 1;

An elastic body 2 is placed in the accommodating groove 11 . The elastic body 2 includes two elastic clamping arms 21 , a connecting portion 22 connecting the two elastic clamping arms 21 , and a connecting portion 22 formed on the elastic clamping arms 21 accommodating space 23 between;

A movable cover 4 is movably arranged on the base body 1;

A positioning member 5 is arranged at the bottom of the movable cover 4 and is movable in the accommodating groove 11;

A sliding opening 111 is formed on one side of the accommodating groove 11 for the positioning member 5 to pass through;

A latching portion 51 is formed at the end of the positioning member 5 and is used to abut the elastic clip arm 21 to prevent the positioning member 5 from escaping from the accommodating groove 11 ;

Two avoidance spaces 112 are respectively formed between the two elastic clip arms 21 and the side wall of the accommodating slot 11 to accommodate the elastic clip arms 21 when the positioning member 5 pushes the elastic clip arms 21 . and communicate with the receiving space 23 and the sliding port 111; and

Two guiding slopes 53 are formed on both sides of the positioning member 5, and are used for the two elastic clamping arms. 21 are pushed into the two avoidance spaces 112 respectively.

Through the above description, the structure of the present technology can be understood, and according to the corresponding cooperation of this structure, the advantages of simple structure, high durability, good operability, and high fixing strength can be achieved. The detailed explanation will be described below. illustrate.

Please also refer to the first to sixth figures, which are three-dimensional perspective views of the preferred embodiment of the present invention to schematic diagrams of the action of the cover. When the above components are used, it can be clearly seen from the figures that the base The main body 1 is provided with a wire groove portion 12 for accommodating the correction wire; the accommodating groove 11 is a trapezoidal groove on the base body 1, and the opening direction is the same as the wire groove portion 12, which is an upward opening; the sliding port 111 is an accommodating groove. The side opening of 11 enables the accommodating groove 11 to communicate with the outside after being combined with the movable cover 4; the movable cover 4 is inserted into the base body 1 and can only move forward and backward; the elastic body 2 is a ㄇ-shaped metal piece Or plastic parts, it includes a connecting part 22 and two elastic clamping arms 21; the avoidance space 112 is the gap between the trapezoidal accommodating groove 11 and the U-shaped elastic body 2; the positioning part 5 and the movable cover body 4 are integrated In design, the locking portion 51 is slightly T-shaped after being combined with the positioning member 5, and the guiding inclined surface 53 is combined with the positioning member 5 to make the whole slightly mushroom-shaped.

When the user performs dental correction using the present invention, the bottom surface of the base body 1 is also bonded to the tooth surface, and the movable cover body 4 is used to control the opening and closing actions. In the closed state, as shown in the third figure, the positioning member 5 is located in the receiving space 23, and the positioning member 5 is restrained by the elastic clip arm 21. The end of the elastic clip arm 21 in this embodiment has a hook portion 211. The hook portion 211 The side adjacent to the positioning member 5 is a plane shape 212, so that the collision part between the positioning member 5 and the hook portion 211 is orthogonal to the displacement direction of the positioning member 5, thereby, the elastic clip arm 21 is used to limit the displacement of the positioning member 5, and The purpose of strengthening the fixing effect of the fixed movable cover body 4 is achieved.

As shown in the fourth figure, when the user pulls out the movable cover 4, the connecting portion 22 almost abuts against the upper end surface of the accommodating slot 11 and cannot be displaced, and the elastic clip arm 21 can retreat to the avoidance space 112 Therefore, when the user pulls the movable cover 4 outwards, when the elastic body 2 acts on the elastic clip arm 21 through the positioning member 5, the elastic body 2 can only make the elastic clip arm 21 retreat to the left and right sides, and the accommodating space 23 It communicates with the sliding port 111 , and the retractable distance between the two elastic clip arms 21 is approximately the same as the width of the positioning member 5 , so that the positioning member 5 can pass through the accommodating slot 11 , thereby allowing the user to open the movable cover 4 .

As shown in the fifth figure, when the movable cover 4 is displaced to the open position, the wire groove portion 12 is exposed. At this time, the movable cover 4 is pressed against the hook portion 211 of the elastic clip arm 21 by the locking portion 51 . As a result, the movable cover body 4 cannot continue to move outwards, so that the movable cover body 4 cannot be separated from the base body 1. Therefore, the user can open the movable cover body 4 by applying a little force, and the operation convenience can be taken into account. sex.

As shown in the sixth figure, when the user closes the movable cover 4 again, the guide slopes 53 are used to gradually push the elastic clip arms 21 away from the avoidance spaces 112 on both sides until the positioning member 5 is completely accommodated in the accommodating space 112 . Space 23. In this action, the special design of the guiding inclined surface 53 allows the positioning member 5 to have the advantages of structural strength and simplified design. The guiding inclined surface 53 can allow the elastic clip arm 21 to deform slowly to both sides, and the inclined surface is used The guiding of the elastic clip arm 21 can avoid sudden force or excessive concentration of the force on the elastic clip arm 21, thereby reducing the risk of damage to the elastic clip arm 21 or the positioning member 5.

Please also refer to Figure 7 and Figure 8, which are a perspective plan view and an exploded view of another preferred embodiment of the new model. It can be clearly seen from the figures that this embodiment is similar to the above-mentioned embodiment. , only the shape of the accommodating groove 11a is changed to a rectangle, and the end sections of the two elastic clip arms 21a are retracted, so that the shape of the elastic body 2a is slightly like a home plate, and the two elastic clip arms 21a interfere with the guide The inclined surfaces 53a respectively have an inclined surface portion 213a, and have a protruding portion 52a formed on the side of the locking portion 51a away from the positioning member 5a, and a protruding portion 52a formed on the connecting portion 22a for accommodating the protruding portion 52a. The inner concave portion 221a is in the shape of an arrow after the protruding portion 52a, the locking portion 51a and the positioning member 5a are combined, and a marking portion 54a is provided at the end of the positioning member 5a facing away from the protruding portion 52a. In this way, the accommodating groove 11a is designed to be rectangular, thereby reducing the manufacturing difficulty and cost of the base body 1a, and at the same time adjusting the shape of the elastic body 2a, so that there is still a space escape between the accommodating groove 11a and the elastic clip arm 21a space 112a, and normal operation can be maintained.

When the movable cover 4a is closed, in addition to using the guiding slopes 53a to gradually push the elastic clip arms 21a to the avoidance spaces 112a on both sides, when the movable cover 4a is pushed to the bottom, the protruding portion 52a will abut against the inner concave portion 221a , and the positioning member 5a will be completely accommodated in the accommodating space 23a. In this action, the special design of the protruding portion 52a, the concave portion 221a and the guiding slope 53a allows the positioning member 5a to have the advantages of structural strength and simplified design in a small travel space. The overall volume of the device is small (the length and width are only about 3mm), and the width of the locking portion 51a of the main force-bearing part is only about 0.1mm in the direction of force. Therefore, the width of the locking portion 51a is increased by using the protruding portion 52a. , to improve its endurance strength; as for the concave portion 221a, in addition to adjusting the shape of the protruding portion 52a to keep the displacement stroke of the positioning member 5a unchanged, the existence of the concave portion 221a can also be used to adjust the relative The stress of the elastic clip arm 21a further controls the swing amplitude and the return elastic force of the elastic clip arm 21a.

In addition, the inclined surface 213a on the elastic clip arm 21a can cooperate with the guide inclined surface 53a when the positioning member 5a is displaced in the closing direction, thereby reducing the friction force between the two elastic clip arms 21a and the guide inclined surface 53a. thereby increasing the service life. Furthermore, the marking portion 54a at the end of the positioning member 5a is a protruding teardrop-shaped structure, and has a constricting portion 541a defined at the front end and a gradually expanding portion 542a formed on one side of the constricting portion 541a. The width of the constricting portion 541a is wide. When the width of the positioning member 5a is smaller than that of the positioning member 5a, when the movable cover 4a is moved to the closed position, the elastic clip arm 21a will be instantly tightened at the constricted portion 541a, and at the same time, the expanding portion 542a is used to prevent the movable cover 4a from being displaced excessively. The vibration sense can improve the user's operating feel, and can be used as a reminder that the movable cover 4a has moved to a fixed point.

However, the above descriptions are only the preferred embodiments of the present invention, and therefore limit the scope of the patent of the present invention. Therefore, any simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention shall be the same. Included in the scope of the patent of this new model, it is hereby stated.

To sum up, the structure of the self-locking aligner of the present new model can indeed achieve its efficacy and purpose during use, so the new model is a new model with excellent practicability. In order to meet the application requirements for a new model patent, it is proposed For the application, I hope that the review committee will approve this new model as soon as possible to protect the applicant's hard work. If the review committee has any doubts, please do not hesitate to send a letter for instructions, and the applicant will do his best to cooperate.

1: base body

11: accommodating slot

111: sliding port

2: Elastomer

21: Elastic clamp arm

22: Links

23: Containment space

4: Active cover

5: Positioning parts

51: Locking part

53: Guide slope

Claims (7)

A structure of a self-locking corrector mainly includes: a base body; an accommodating groove, which is formed on the base body; an elastic body, which is placed in the accommodating groove, and the elastic body includes two elastic clip arms, a connecting part connecting the two elastic clip arms, and a receiving space formed between the elastic clip arms; a movable cover body, which is movably arranged on the base body; a positioning piece, which is set at the bottom of the movable cover and movable in the accommodating groove; a sliding opening is formed on one side of the accommodating groove for the positioning member to pass through; a locking portion is formed at the end of the positioning member , and is provided against the elastic clip arm to prevent the positioning piece from leaving the accommodating slot; two avoidance spaces are respectively formed between the two elastic clip arms and the side wall of the accommodating slot, so that the positioning piece pushes the When some elastic clamp arms are installed, the elastic clamp arms are accommodated and communicated with the receiving space and the sliding port; and two guiding inclined surfaces are formed on both sides of the positioning member, and push the two elastic clamp arms to the in the two avoidance spaces. The structure of the self-locking orthodontic device as described in claim 1, wherein the two elastic clip arms respectively have an inclined surface at the position where the two elastic clamping arms abut against the guiding inclined surface. The structure of the self-locking corrector according to the claim 1, wherein a protruding portion is formed on the side of the locking portion away from the positioning member, and a concave portion for accommodating the protruding portion is formed on the connecting portion . The structure of the self-locking corrector according to the claim 3, wherein an end of the positioning member facing away from the protruding portion has a marking portion. The structure of the self-locking orthodontic device as described in claim 4, wherein the front end of the marking portion defines a constricted portion, and a tapered portion is formed on one side of the constricted portion. The structure of the self-locking corrector according to the first item of the claimed scope, wherein the accommodating groove is in the shape of a trapezoid, and the elastic body is in the shape of a ℇ. The structure of the self-locking corrector according to the first claim of the claimed scope, wherein the accommodating groove is in the shape of a rectangle, and the outline of the elastic body is slightly in the shape of a home plate.

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