CN209884378U - Self-ligating bracket - Google Patents

Abstract

The utility model relates to a self-ligating bracket, including bottom plate, hold in the palm the groove body, set up the spout on holding in the palm the groove body and set up the apron on the spout, be provided with the connecting piece between apron and the support groove body and be used for increasing the elastic fastener of the inseparable degree of cooperation between connecting piece and apron, the support groove body. When the cover plate is closed, the sliding is not easy to occur; when the cover plate is forcibly slid, the cover plate can smoothly translate.

Description

Self-ligating bracket

Technical Field

The utility model belongs to the technical field of orthodontic equipment technique and specifically relates to a self-ligating bracket is related to.

Background

In the orthodontic field, devices such as self-ligating brackets, buccal tubes and the like play an important role.

Traditional self-ligating bracket generally comprises bottom plate, bracket body, apron, and the apron slides and sets up on bracket body.

Manufacturers generally assemble the cover plate and the bracket body into a whole and sell the whole, and dentists open the cover plate again and replace the arch wire during tooth correction.

The self-ligating bracket convenient for clinical accurate positioning, which is disclosed by the authorization notice number CN205795831U and the authorization notice date 2016, 12 and 14, records that: the cover plate is matched with the clamping groove through the protruding end, so that the cover plate is connected with the groove body.

The cover plate is used for closing the groove and preventing the arch wire from jumping out in the straightening process. Through the mode of joint among the prior art, though can be connected apron and cell body, the connection effect between the two is not good. During the correction, food, tongue all cause the influence to the apron easily in the diet process, even make to produce the clearance or take place to separate between protrusion end on the apron and the draw-in groove, finally lead to the apron not good to the effect of blockking of arch wire, influence the correction effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a self-ligating bracket which is not easy to slide when a cover plate is closed; when the cover plate is forcibly slid, the cover plate can smoothly translate.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the self-ligating bracket comprises a bottom plate, a bracket body, a chute arranged on the bracket body and a cover plate arranged on the chute, wherein a connecting piece and an elastic fastener used for increasing the matching tightness between the connecting piece and the cover plate and between the bracket body are arranged between the cover plate and the bracket body.

Through adopting above-mentioned technical scheme, the connecting piece is used for connecting the apron and holds in the palm the groove body, when fixing the apron on the spout, elastic fastening spare makes the connecting piece and apron, the cooperation between the groove body is inseparabler through its effect that can produce elastic deformation to make the apron and hold in the palm and be connected between the groove body inseparabler, in the orthodontic tooth period, the apron is difficult for receiving the influence of diet and with hold in the palm and take place the separation between the groove body, thereby provide stable traction force for the tooth, make the correction effect better.

The utility model discloses further set up to: the connecting piece comprises a pin, a jack and an oval clamping groove; the elastic fastener is embedded in the clamping groove; one end of the pin penetrates through the jack, and the other end of the pin is inserted into the elastic fastening piece and is tightly propped against the elastic fastening piece.

Through adopting above-mentioned technical scheme, the one end of round pin passes in jack and the other end inserts elastic fastener and supports tightly with elastic fastener, simultaneously, elastic fastener supports tightly between the card slot, when sliding cover plate hard, can drive the round pin and translate in elastic fastener, perhaps drive round pin and elastic fastener and translate at the card slot, because elastic fastener can take place elastic deformation because of receiving behind the effort from the round pin, slide in the card slot smoothly, thereby realize opening smoothly or closing of apron, be difficult for being blocked. Meanwhile, after the cover plate is closed, a stable state is formed among the pin, the elastic fastener and the clamping groove, the cover plate is not easy to slide or open, the traction force is favorably and stably provided, and the correction effect is improved.

The utility model discloses further set up to: the jack is arranged on the cover plate, and the clamping groove is arranged on the bracket body and communicated with the sliding groove.

By adopting the technical scheme, under the condition, the elastic fastener is arranged in the clamping groove, the cover plate slides to a proper position through the sliding groove, the pin is inserted into the jack, and one end of the pin is inserted into the elastic fastener and reaches the clamping groove. The jacks are arranged on the cover plate, so that the correction treatment of the dentist is facilitated.

The utility model discloses further set up to: the jacks are arranged on the bracket body and communicated with the sliding grooves, and the clamping grooves are arranged on one surface of the cover plate facing the bracket body.

By adopting the technical scheme, under the condition, the elastic fastener is arranged in the clamping groove, the cover plate slides to a proper position through the sliding groove, and then the pin is inserted into the jack, so that the cover plate is tightly connected with the bracket body. When the cover plate is forcibly slid, the cover plate can still be smoothly opened or closed. And no through hole is arranged on the cover plate, so that the cover plate is not easily influenced by food residues.

The utility model discloses further set up to: a placing table is arranged in the clamping groove, and the elastic fastener is arranged on the placing table.

Through adopting above-mentioned technical scheme, place elastic fastener in and place the bench back, can make elastic fastener's up end slightly low with the opening of putting the platform, when enabling apron and holding in the palm groove body formation inseparable connection, be difficult for when sliding the apron to produce more resistance to the apron, make the process of sliding the apron relatively smooth.

The utility model discloses further set up to: the elastic fastener is in one of a circular ring shape, a waist shape and a C shape.

By adopting the technical scheme, when the elastic fastener is in a circular ring shape, the elastic fastener can be just sleeved outside the pin and can be better clamped into the clamping groove, and when the cover plate slides forcefully, the pin and the annular elastic fastener are driven to translate together in the clamping groove and can also translate smoothly.

When the elastic fastener is waist-shaped, the elastic fastener can be attached to the inner wall of the oval clamping groove sufficiently, the pin can move horizontally when the cover plate slides, when the elastic fastener reaches the middle part of the waist-shaped elastic fastener, the resistance to the pin is large at the moment, the deformation borne by the elastic fastener is also large, and when the cover plate is pushed forcibly, the resistance can be overcome, so that the pin can smoothly pass through the clamping groove, and the cover plate can be opened or closed smoothly.

When the elastic fastener is C-shaped, the elastic fastener is placed in the clamping groove, and the direction of the notch can face to one side of the groove facing the bracket body and can also face to one side away from the groove. When the cover plate is translated, the C-shaped elastic fastener can generate larger elastic deformation, and the cover plate can be smoothly opened or closed while the sliding cover is pushed forcefully.

The utility model discloses further set up to: the elastic fastener comprises two arc strips; the sliding groove is symmetrically provided with clamping grooves along the central line, and the clamping grooves are communicated with the placing table; the arc strips are embedded in the clamping grooves and can deform in the clamping grooves, the openings of the arc strips face the side walls of the sliding grooves, and the distance between the arc strips is smaller than the width of the clamping grooves.

Through adopting above-mentioned technical scheme, two have elastic arc strip symmetries to inlay and establish in the screens inslot, and can take place deformation in the screens inslot, consequently, when the groove is closed to the apron, two arc strips along the central line symmetry produce the effect of blockking to the round pin, when needs slide the apron and open, use great power, with apron and round pin together translation, the round pin receives exogenic action and makes two arc strips take place to deform and keep away from the one end of groove through the card groove to it, make the apron slide and open, realize exposing of groove.

The utility model discloses further set up to: the elastic fastener further comprises a connecting rod, the connecting rod is connected with the end heads of the two arc strips, and when the arc strips are embedded in the clamping groove, the connecting rod is located on one side far away from the groove.

Through adopting above-mentioned technical scheme, because the size of arc strip is thinner, difficult inlay respectively two arc strips when the equipment and establish the less screens inslot of same size, adopt the connecting rod to connect two arc strips, not only can imbed two arc strips into the screens inslot simultaneously, and when two arc strips received the effort of round pin and take place deformation, the connecting rod can make the elastic recovery of arc strip, and then elastic fastener's use number of times becomes many, is favorable to increasing its life.

The utility model discloses further set up to: the cross section of the elastic fastener is circular or square.

Through adopting above-mentioned technical scheme, the cross section is circular or square all can form better support tight effect with card groove, round pin, when the apron is closed, is difficult for causing apron and support groove body to take place to separate at daily diet in-process, and when artificial promotion apron, can make the apron can not block the ground translation.

The utility model discloses further set up to: the elastic fastener is made of nickel titanium or stainless steel material.

By adopting the technical scheme, the elastic fastener made of the nickel-titanium or stainless steel material has better elasticity, stable chemical property, safety and sanitation.

To sum up, the utility model discloses a beneficial technological effect does:

1. the pin, the clamping groove, the jack and the elastic fastener are matched with each other, one end of the elastic fastener penetrates through the jack, the other end of the elastic fastener is inserted into the elastic fastener and is abutted against the elastic fastener, meanwhile, the elastic fastener and the clamping groove are sufficiently abutted against each other, the cover plate is not easy to move easily, and therefore stable traction force can be provided for the arch wire, and the correction effect is improved; when the cover plate is pushed by a large force, the elastic fastener is deformed by the pin and the clamping groove, so that the cover plate can be opened or closed smoothly.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a pin, a jack, a fastening groove, an elastic fastener, and a placement table in embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a fastening groove, an elastic fastening member, and a placement table in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of the elastic fastener, the fastening groove, and the placement table in embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of an elastic fastener according to embodiment 3 of the present invention.

Fig. 6 is a schematic structural view of a pin and elastic fastener according to embodiment 4 of the present invention.

Fig. 7 is a schematic structural view of a pin and a socket in embodiment 4 of the present invention.

Fig. 8 is a schematic structural view of an arc strip and a retaining groove in embodiment 5 of the present invention.

Fig. 9 is a schematic structural view of an arc bar, a connecting rod, and a clamping groove in embodiment 6 of the present invention.

In the figure, 1, a bottom plate; 2. a bracket body; 21. a towing hook; 22. a working wing; 23. a groove; 3. a chute; 4. a cover plate; 51. a pin; 52. a jack; 53. a clamping groove; 6. an elastic fastener; 7. a placing table; 8. a clamping groove; 9. a connecting rod; 10. and (4) arc bars.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a self-ligating bracket, refer to fig. 1, including fixed connection's bottom plate 1 and bracket body 2, should hold in the palm the integrated into one piece on the bracket body 2 and be provided with and draw hook 21, two work wings 22, still seted up a slot 23, is seted up a spout 3 of T shape on keeping away from the work wing 22 of drawing hook 21 upper end, has connect a apron 4 through this spout 3 cunning.

Referring to fig. 2, an oval fastening groove 53 is further formed at the bottom of the sliding groove 3, a placing table 7 is arranged on the fastening groove 53, an annular elastic fastening member 6 with a circular cross section is placed on the placing table 7, the opening of the elastic fastening member 6 and the opening of the fastening groove 53 are slightly lower, and the elastic fastening member 6 is made of nickel titanium.

Referring to fig. 2 and 3, a circular through hole is formed in a surface of the cover plate 4 facing the bracket body 2, and a columnar pin 51 is inserted into the through hole. One end of the pin 51 is slightly lower than one surface of the cover plate 4 departing from the bracket body 2, and the other end is inserted into the elastic fastener 6, so that the elastic fastener 6 is more closely attached to one end of the clamping groove 53 in an arc shape.

The installation process of this embodiment: the round elastic fastener 6 is firstly embedded into one side of the clamping groove 53 close to the groove 23, then the cover plate 4 slides along the sliding groove 3 to a position which fully blocks the groove 23, the pin 51 inserted into the insertion hole 52 is pressed downwards, one end of the pin 51 is inserted into the elastic fastener 6 and reaches the bottom of the clamping groove 53, and the other end of the pin is flush with the end face of the cover plate 4.

The implementation principle is as follows: when the cover plate 4 is pushed horizontally by force, the pin 51 is driven to translate together with the elastic fastener 6 sleeved outside the pin 51. In the process of translating the elastic fastener 6, on one hand, the clamping groove 53 is elliptical, and on the other hand, the elastic fastener 6 is deformed under the combined action of the pin 51 and the clamping groove 53 (the deformation degree of the elastic fastener 6 is greater than that of the pin 51), so that the cover plate 4, the pin 51 and the elastic fastener 6 can slide smoothly together, and the cover plate 4 can be opened or closed. When the cover plate 4 is closed, that is, the opening of the slot 23 is closed, the position of the pin 51 is not changed, and the elastic fastener 6 is simultaneously acted by two opposite forces from the pin 51 and the inner wall of the clamping groove 53 to keep stable, and the stability of the pin 51 and the cover plate 4 directly connected with the pin 51 is increased, and the phenomenon that the cover plate 4 falls off due to the influence of diet is not easily caused during the whole straightening period, so that the arch wire passing through the slot 23 keeps a stable state, and better traction force is provided and better straightening effect is achieved.

Embodiment 2 is a self-ligating bracket differing from embodiment 1 in that, referring to fig. 4, an elastic fastener 6 is waist-shaped and circular in cross section, and the outer wall thereof abuts against the side wall of a fastening groove 53.

Example 3 a self-ligating bracket, differing from example 1 in that, referring to fig. 5, an elastic fastener 6 is C-shaped and circular in cross section, and the outer wall thereof abuts against the side wall of a fastening groove 53.

Embodiment 4, a self-ligating bracket, which is different from embodiment 1 in that, referring to fig. 6, a receptacle 52 is provided on a bracket body 2 and communicates with a chute 3; referring to fig. 7, an oval fastening groove 53 is formed in one surface of the cover plate 4 facing the bracket body 2, and a circular elastic fastener 6 is placed on the placing table 7. The pin 51 is inserted from the insertion hole 52 with one end inserted into the circular elastic fastener 6 and reaching the catching groove 53 and the other end flush with the end surface of the bracket body 2.

During installation, the circular elastic fastener 6 is placed on the placing table 7, the cover plate 4 is slid into the sliding groove 3, and when the cover plate 4 is slid to a position where the groove 23 is fully blocked, the pin 51 is inserted from the insertion hole 52 until the pin passes through the elastic fastener 6 and reaches the clamping groove 53. The process of pushing the cover plate 4 is partially similar to the principle of embodiment 1, and therefore, the description thereof is omitted. With this arrangement, during the straightening, since the insertion hole 52 is provided on the bracket body 2, not on the cover plate 4, i.e., not on the labial side, it is not easily affected by food waste.

Embodiment 5 is a self-ligating bracket different from embodiment 1 in that, referring to fig. 8, four locking grooves 8 are formed in the sliding groove of the bracket body along the center line, the locking grooves 8 are symmetrical with each other, and the locking grooves 8 are communicated with a placing table. Elastic fastener is two arc strips 10, and arc strip 10 inlays and locates in screens groove 8 and arc strip 10 can take place deformation (having less gap between arc strip 10 and the screens groove 8 promptly) in screens groove 8, and simultaneously, the opening of arc strip 10 is towards the lateral wall of spout, and the interval between arc strip 10 is less than the width in the screens groove, and the round pin is difficult to smoothly pass through between two arc strips 10 promptly.

In the process of installing the elastic fastener, two ends of the two arc strips 10 are respectively inserted into the four clamping grooves 8 to form a state of symmetry along the central line. And then the cover plate and the pin are installed, namely, the cover plate slides to the cover plate along the sliding groove to close the groove, and then the pin passes through the insertion hole on the cover plate and is inserted into the clamping groove.

When the cover plate is opened, the cover plate is translated together with the pin, when the pin forcibly passes between the two arc strips 10, the arc strips 10 are deformed and do not block the pin, the pin can smoothly pass through the clamping groove, and finally the cover plate is smoothly opened. And after the pin passes between the two arc strips 10, the arc strips 10 are elastically restored, and the pin and the cover plate are prevented from translating in a natural state.

Embodiment 6, a self-ligating bracket, which is different from embodiment 5 in that, referring to fig. 9, a connecting rod 9 is connected to the same end of two arc bars 10, and a round angle is formed between the arc bars 10 and the connecting rod 9; and when the ends of the two arc strips 10 are embedded into the clamping groove 8, the connecting rod 9 is positioned on the side far away from the groove.

In the installation, can take the elastic fastening spare that is formed by two arcs 10 and a connecting rod 9 fast, just once can be with the corresponding position of arc 10 with connecting rod 9 embedding, convenient operation.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a self-ligating bracket, includes bottom plate (1), holds in palm groove body (2), set up spout (3) on holding in the palm groove body (2) and set up apron (4) on spout (3), its characterized in that: and a connecting piece and an elastic fastener (6) used for increasing the matching tightness between the connecting piece and the cover plate (4) and between the connecting piece and the bracket body (2) are arranged between the cover plate (4) and the bracket body (2).

2. The self-ligating bracket of claim 1, wherein: the connecting piece comprises a pin (51), a jack (52) and an oval clamping groove (53); the elastic fastener (6) is embedded in the clamping groove (53); one end of the pin (51) penetrates through the insertion hole (52), and the other end of the pin is inserted into the elastic fastening piece (6) and is tightly propped against the elastic fastening piece (6).

3. The self-ligating bracket of claim 2, wherein: the insertion holes (52) are formed in the cover plate (4), and the clamping grooves (53) are formed in the bracket body (2) and communicated with the sliding grooves (3).

4. The self-ligating bracket of claim 2, wherein: the insertion holes (52) are formed in the bracket body (2) and communicated with the sliding grooves (3), and the clamping grooves (53) are formed in one surface, facing the bracket body (2), of the cover plate (4).

5. The self-ligating bracket of claim 3 or 4, wherein: a placing table (7) is arranged in the clamping groove (53), and the elastic fastener (6) is arranged on the placing table (7).

6. The self-ligating bracket of claim 2, wherein: the elastic fastener (6) is in one of a circular ring shape, a waist shape and a C shape.

7. The self-ligating bracket of claim 3, wherein: the elastic fastener (6) comprises two arc strips (10); clamping grooves (8) are symmetrically arranged on the sliding groove (3) along the central line, and the clamping grooves (8) are communicated with the placing table (7); the arc strips (10) are embedded in the clamping grooves (8), the arc strips (10) can deform in the clamping grooves, the openings of the arc strips (10) face the side walls of the sliding grooves (3), and the distance between the arc strips (10) is smaller than the width of the clamping grooves (53).

8. The self-ligating bracket of claim 7, wherein: elastic fastener (6) still include connecting rod (9), connecting rod (9) are connected with the end department of two arc strips (10), and when arc strip (10) inlayed and locate screens groove (8) in, connecting rod (9) are located the one side of keeping away from slot (23).

9. The self-ligating bracket of claim 6, 7 or 8, wherein: the cross section of the elastic fastener (6) is circular or square.

10. The self-ligating bracket of claim 1, wherein: the elastic fastener (6) is made of nickel titanium or stainless steel material.

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