CN202801832U - Self-locking bracket with blocking arm structure - Google Patents
Self-locking bracket with blocking arm structure Download PDFInfo
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- CN202801832U CN202801832U CN 201220088969 CN201220088969U CN202801832U CN 202801832 U CN202801832 U CN 202801832U CN 201220088969 CN201220088969 CN 201220088969 CN 201220088969 U CN201220088969 U CN 201220088969U CN 202801832 U CN202801832 U CN 202801832U
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- collet
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Abstract
The utility model relates to a self-locking bracket with a blocking arm structure. The self-locking bracket further comprises a blocking arm structure, wherein the blocking arm structure comprises a fixing hole, an inserting hole and a blocking ring, wherein the fixing hole is formed in a bottom support or a wing sheet on one side, opposite to the axis of a groove, of each working wing; the inserting hole is formed in a bottom support or a wing sheet on the other side of the working wing; the fixing hole and the inserting hole are positioned above the groove bottom of the groove; the blocking ring comprises a fixing part, a blocking arm and a free end of the blocking arm, wherein the fixing part is arranged in the fixing hole, and extends out from the opening end of the fixing hole to form a blocking ring arm crossing the groove; and the free end of the blocking ring arm can extend to the inserting hole from the opening end of the inserting hole. The blocking ring arm of the self-locking bracket crosses above the groove, so as to form an arch wire slot with the groove for containing the arch wires. The blocking ring is in the shape of a line, so that the contact area of the blocking ring arm with the arch wires in the arch wire slot is small, thus the friction force between the arch wire slot and the arch wires is reduced, and further clinical operation of a doctor is facilitated.
Description
Technical field
This utility model relates to a kind of dental orthodontic instrument field, is specifically related to a kind of locking bracket with the card arm configuration.
Background technology
Orthodontic treatment is a subdiscipline that degree of specialization is higher of dental field, mainly is to rescue for tooth, jawbone, facial deformity, by inner Fixed Orthodontics appliance recovers patient's normal occlusion function gradually in the oral cavity.Bracket is the important component part of orthodontic appliance, mainly is adhered on labial teeth, canine tooth, the premolars, and orthodontic treatment is installed in by rescuing arch wire in the groove of bracket, and the Tooth Movement of guiding dislocation is to desirable position.
The mode that traditional bracket adopts ligature or India rubber looper to prick is fixed in arch wire in the groove, but the shortcoming such as there is the time-consuming inconvenience of clinical manipulation in this fixed form, frictional force is large, level of comfort is poor.In recent years, locking bracket (self-ligating bracket) orthodontic treatment that appears as patho-occlusion of rescuing system has been introduced new method.The characteristics of locking bracket maximum are that the self-locking structure by bracket substitutes conventional junction tied silk (circle) arch wire is carried out ligation, have reduced the frictional force of orthodontic appliance inside, make to rescue efficient and significantly increase, and be a kind of quick, comfortable, safe fixed orthodontic device.At present, locking bracket with respect to traditional bracket have low-frictional force, reduce anchorage loss, improve clinical manipulation efficient, the patient is to the particular advantages of the aspects such as pain reaction is light, and the locking bracket engagement is stable, small and exquisite attractive in appearance, the patient wears with comfortable, easy to clean, Chairtime shortens, the further consultation interval prolongs, and it is shorter to rescue efficient height, the course for the treatment of.So that locking bracket obtains more and more just abnormal doctors' understanding and affirms.
Common locking bracket is slide way type structure (a passive slide) or locker formula structure (a spring clip).The slide way type bracket arranges slip lid in the groove both sides, includes arch wire in rear promotion slip lid and forms a closed conduct solid, that arch wire can move freely, claims again passive-type locking bracket (passive self-ligating bracket).The built-in high resiliency locker of locker formula bracket, the elastic pressure of closing rear generation can act on arch wire when needed, provides to continue soft orthodontic force, claims again active locking bracket (active self-ligating bracket).Because the self-locking device multidigit of locking bracket is in the bracket metal surface, convenient with instrument or finger tip switch, the ligation process is more easy.
But still there are some shortcomings in locking bracket in clinical practice.At first be that locking bracket is difficult to locate exactly when bonding, this is because with respect to traditional double-vane bracket, the form of the locking bracket of most kinds and traditional double-vane bracket exist larger different, the locking bracket structure is complicated and do not have an obvious double-vane, this may cause bonding during locking bracket the doctor not portable put, cause the radian of locking bracket base plate and facing not coincide well, be difficult to locate exactly locking bracket.In case the locking bracket malposition will be added to the difficulties to the later stage intense adjustment, thereby prolonged the treatment time in intense adjustment stage, made troubles to clinical manipulation.
Next is that locking bracket itself has certain design defect, if be subjected to some unexpected factor affecting that its slip lid or locker accident are opened, can lose groove to the control of arch wire, affects therapeutic effect, instead prolonged treatment time; And because the complicated structure of locking bracket, some external force (comprising masticatory force) and doctor's maloperation all may cause the damage of locking bracket, thereby cause slip lid or locker to open and to close, when serious even cause bracket to scrap, increase patient's financial burden, improved treatment cost.
The self-locking device of locking bracket occupies on the facing usually than large space again, so that the thickness of locking bracket is larger, may come off when chewing, and the relatively poor child of compliance and deep overbite patient is used have limitation; Simultaneously because the short and small circle of the bracket wing of locking bracket is blunt, inconvenience of maintenance, easily slippage when adding the ligation adnexa, and inserting arch wire and taking out in the process of arch wire, locking bracket is compared with traditional double-vane bracket has great uncomfortable property, usually causes patient's pain.In addition, when using crooked Rectangular SS archwires to adjust individual teeth, arch wire difficulty in place and can't close slip lid or locker, these have all limited the use of traditional intense adjustment mode.
Summary of the invention
This utility model is for the deficiencies in the prior art, having proposed a kind of band is useful on arch wire is carried out spacing card arm, and the volume of card arm is little, thereby has reduced the frictional force between card arm and the orthodontic bow-wire, increases card arm degree of freedom and the reliable and stable locking bracket with the card arm configuration.
The technical solution of the utility model is as follows:
A kind of locking bracket with the card arm configuration comprises a substrate, and one or more working wings that are arranged on described substrate one side, and described working wing comprises the collet that is connected with described substrate, and by the groove that is recessed to form downwards in the middle part of the described collet; The described collet top formation fin that stretches out; The groove of all described working wings is characterized in that on a groove axis: it also comprises a card arm configuration, and described card arm configuration comprises fixing hole, patchhole and snap ring; Described fixing hole is arranged on the side collet or fin with respect to described groove axis of each described working wing, described patchhole is arranged on the opposite side collet or fin of described working wing, and described fixing hole and patchhole are positioned at the top of the bottom of trench of described groove; Described snap ring comprises the free end of fixed part, card arm and card arm, described fixed part is arranged in the described fixing hole, described fixed part is stretched out by the opening of fixing hole, forms the arm of clasp across groove, and the free end of described arm of clasp can be stretched into by the opening of patchhole and insert in the hole.
Described collet and fin respectively comprise two with the vertical or approximately perpendicular end face of described groove axis, described fixing hole is to be arranged on a side collet of described working wing or a through hole on the fin, two openings of described through hole are respectively on the end face of a described side collet or fin, or on the medial surface of a described side collet or fin; Described patchhole is a through hole or two blind holes that are arranged on described opposite side collet or the fin, and two openings of described patchhole are respectively on the end face of described opposite side collet or fin, or on the medial surface of described opposite side collet or fin.
Described fixing hole and/or patchhole are at the direction fluting towards described groove, so that described fixing hole and/or patchhole are connected with described groove; The groove width of described fixing hole is less than the stiff end diameter, and the groove width of described patchhole is less than the free end diameter.
Described groove width is 0.02mm～1mm.
: the fixed part of described snap ring passes described fixing hole, and the two ends of described fixed part are stretched out by two openings of described fixing hole, forms arm of clasp.
Described snap ring is
Shape,
Shape,
Shape or irregular non-closed annular.
Described snap ring is the shape of arc-shaped side intermediate openings of C shape, D or the rectangle of openings at one side.
Described snap ring is
Shape.
Described fixed part is fixed in the described fixing hole.
Fixing means between described fixed part and the described fixing hole comprises welding, bonding, hinged, joggle, riveted joint.
The material of described snap ring comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel, or resin, plastics, pottery.
The free-ended shape of cross section of described arm of clasp is circular, square, triangle, polygon.
The free-ended diameter of described arm of clasp is 0.02mm～1.0mm.
The processing mode of described fixing hole and/or patchhole is metal casting, metal powder injection molding, metal powder sintered molding, ceramic powders injection moulding, ceramic powders sinter molding, injection mo(u)lding, line cutting, laser engraving, cut or spark machined.
When described locking bracket comprised two working wings, described patchhole was arranged on the collet or fin of homonymy of described groove axis, was two through holes or was separately positioned on two working wings away from two blind holes on the side end face of described groove axis mid point.
When described locking bracket comprised two working wings, described patchhole was arranged on the collet or fin of homonymy of described groove axis, was two through holes or was separately positioned on two working wings near two blind holes on the side end face of described groove axis mid point; Described snap ring is
Shape or
Shape.
When described locking bracket comprises two above working wings, described patchhole is arranged on the collet or fin of the described groove axis of being positioned at of two outermost working wings homonymy, be two through holes or two blind holes, two openings of described patchhole are respectively on the outermost end face of described two outermost working wings, or on the medial surface of described collet or fin.
Technique effect of the present utility model is as follows:
A kind of locking bracket with the card arm configuration of the present utility model comprises a substrate, and one or more working wings that are arranged on the substrate one side, and working wing comprises the collet that is connected with substrate, and by the groove that is recessed to form downwards in the middle part of the collet; The collet top formation fin that stretches out, it also comprises a card arm configuration, the card arm configuration comprises fixing hole, patchhole and snap ring; Fixing hole is arranged on the side collet or fin with respect to the groove axis of each working wing, and patchhole is arranged on the opposite side collet or fin of working wing, and fixing hole and patchhole are positioned at the top of the bottom of trench of groove; Snap ring comprises the free end of fixed part, card arm and card arm, and fixed part is arranged in the fixing hole, and fixed part is stretched out by the opening of fixing hole, forms the arm of clasp across groove, and the free end of arm of clasp can be stretched into by the opening of patchhole and insert in the hole.Arm of clasp of the present utility model is across the groove top, jointly be formed for holding the archwire slot of arch wire with groove, because snap ring is linear, so the arch wire contact surface in arm of clasp and the archwire slot is less, thereby reduced the frictional force between archwire slot and the arch wire, be convenient to doctor's clinical manipulation.
Because the fixed part of snap ring is arranged in the fixing hole, no matter whether fixed part can rotate with respect to fixing hole, owing to snap ring is made by the metal with elasticity and ductility, thereby arm of clasp can fixed part be axle all, the free end of arm of clasp can pass in and out patchhole easily, but and repeatable operation.Need not to relate to other buckle or locker, can realize arch wire is taken out or enters the operation of archwire slot from archwire slot.
Be provided with the groove towards groove on the sidewall of fixing hole and patchhole, so that combine by in the methods such as metal casting, metal powder injection molding, metal powder sintered molding, ceramic powders injection moulding, ceramic powders sinter molding, injection mo(u)lding or line cutting, laser engraving, cut, spark machined one or more bracket is carried out production and processing, the working wing of locking bracket of the present utility model and substrate one-body molded, effectively reduce process complexity, also can improve simultaneously fine degree and the yield rate of product.
Description of drawings
Fig. 1 is the structural representation of this utility model embodiment 1 when snap ring is not installed
Fig. 2 is the structural representation of this utility model embodiment 1
Fig. 3, Fig. 3-a are the profiles of this utility model embodiment 1
Fig. 4-a～c, Fig. 5-a～g, Fig. 6-a～b, Fig. 7-a～g is the structural representation of this utility model snap ring
Fig. 8 is the structural representation of this utility model embodiment 2
Fig. 9 be this utility model embodiment 3 snap ring is not installed the time structural representation
Figure 10 is the structural representation of this utility model embodiment 3
Figure 11 is the profile of this utility model embodiment 3
Figure 12 is the structural representation of this utility model embodiment 4
Figure 13 be this utility model embodiment 5 snap ring is not installed the time structural representation
Figure 14 is the structural representation of this utility model embodiment 5
Figure 15 is the structural representation of this utility model embodiment 6
Figure 16 is the structural representation of this utility model embodiment 7
Figure 17 is the structural representation of this utility model embodiment 8
Figure 18 is the structural representation of this utility model embodiment 9
Figure 19 is the structural representation of this utility model embodiment 10
Figure 20 be this utility model embodiment 11 snap ring is not installed the time structural representation
Figure 21 is the structural representation of this utility model embodiment 11
Figure 22 is the structural representation of this utility model embodiment 12
Figure 23 is the structural representation of this utility model embodiment 13
Figure 24 is the structural representation of this utility model embodiment 14
Figure 25 is the structural representation of this utility model embodiment 15
Figure 26 is the structural representation of this utility model embodiment 16
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Specific embodiment described herein is only in order to explaining this utility model, and is not used in restriction this utility model.
Locking bracket with the card arm configuration of the present utility model comprises a substrate, the one side of substrate is buccal labial surface, and another side is adhesive surface, at buccal labial surface one or more working wing is set, working wing comprises the collet that is connected with substrate, and by the groove that is recessed to form downwards in the middle part of the collet.The groove of all working wing on a groove axis, the collet top formation fin that stretches out, collet comprises two vertical or approximately perpendicular end faces with the groove axis with fin, the medial surface of collet is the furrow bank of groove.Because in actual applications, working wing has various shape, and can be rectangle or irregular class rectangle for the groove that holds arch wire, and the furrow bank of groove is plane or curved surface.
Card arm configuration of the present utility model comprises snap ring, fixing hole and patchhole, and snap ring is bent and formed by the metal tape with a structural strength/silk, and snap ring is divided into fixed part and arm of clasp.Because groove is arranged on collet middle part, so collet and fin can be divided into along a side and the opposite side of groove axis symmetry.Fixing hole is the through hole that is arranged in groove one side collet or the fin, two openings of through hole are respectively on the end face of a side collet or fin, or on the medial surface of a side collet or fin, the shape of fixing hole is decided according to the shape of snap ring fixed part, can be the through hole that axis is straight line, also can be the through hole that axis is curve.Patchhole is the through hole that is arranged on groove opposite side collet or fin, or two blind holes, and two openings of patchhole can be respectively on the end face of groove opposite side collet or fin, or on the medial surface of opposite side collet or fin.Fixing hole and patchhole are positioned at the top of the bottom of trench of groove, stay enough spaces for forming archwire slot.
The fixed part of snap ring is arranged in the fixing hole, and the two ends of fixed part are stretched out by two openings of fixing hole, and formation can be across the arm of clasp of groove, and the free end of arm of clasp can be stretched into by the opening of patchhole and insert in the hole.When the free end of arm of clasp stretches into when inserting in the hole, arm of clasp covers the top of groove, arm of clasp plays barrier effect to the orthodontic bow-wire in its below groove, thereby jointly forms the archwire slot that holds arch wire with groove, and the orthodontic bow-wire in the archwire slot is formed locking.By staff or by special use or general utility tool the free end of arm of clasp is extracted from inserting in the hole, and then arm of clasp is lifted, thereby form arch wire entrance or outlet, so that orthodontic bow-wire can be placed into or take out groove.Snap ring can be Split type structure, also can be structure as a whole, and the snap ring of the preferred integrative-structure of this utility model is namely bent and formed by the metal tape with a structural strength/silk; When snap ring was Split type structure, two parts were
Shape, wherein fixed part is arranged in the fixing hole, and the card arm is across groove, and the free end of card arm is arranged on and inserts in the hole.
When making, can at first make substrate and one-body molded with the working wing of fixing hole and patchhole, the bracket body assembly that is integrally formed, snap ring is assembled with the bracket body assembly more afterwards.Being about to snap ring penetrates fixing hole and the fixed part of snap ring is placed in the fixing hole, the external diameter of the fixed part of snap ring is less than or equal to the internal diameter of fixing hole, when the external diameter of fixed part during less than the internal diameter of fixing hole, arm of clasp can rotate take fixed part as axle, the action that cooperates the free end of arm of clasp to enter patchhole or deviate from patchhole, and then finish the archwire slot card and open or close and close.When the external diameter of fixed part and the internal diameter of fixing hole closely cooperate, by modes such as welding, bonding, hinged, joggle, riveted joints fixed part and fixing hole are fixed together, because snap ring is for having certain elastic metal material, therefore can fixed part with fixing hole fixedly the time with the free end insertion of arm of clasp or extract patchhole, open or close with the realization archwire slot.
Embodiment 1 is such as Fig. 1, Fig. 2, shown in Figure 3, and the locking bracket of present embodiment comprises substrate 1, working wing 2, card arm configuration 3.Wherein substrate 1 is rectangle or class rectangular slab, and the front of substrate 1 is buccal labial surface 11, and the back side is adhesive surface 12, and buccal labial surface 11 is smooth flat, and gully shape texture 13 is set on the adhesive surface 12, is conducive to bonding agent and flows into, and strengthens the retention of bracket bonding.Working wing 2 comprises and surface 11 collets that are connected 21, and is used for groove 22 that installation rescue arch wire by what collet 21 tops were recessed to form downwards.Collet 21 tops stretch out and form the fin 25 that turns up, collet 21 comprises two vertical or approximately perpendicular end faces with the groove axis, the medial surface of collet 21 is the furrow bank 23 of groove 22, and furrow bank 23 is parallel to each other or is approximate parallel, and vertical or approximately perpendicular to surface 11.Groove 22 comprises furrow bank 23 and the bottom of trench 24 of both sides, and working wing 2 arranges symmetry or the near symmetrical structure of a groove for a pair of fin 25 middle parts, at the groove 22 of all working wing 2 in the same substrate 1 all on same groove axis.
Card arm configuration 3 comprises snap ring 31, fixing hole 32 and patchhole 33, and wherein snap ring 31 is divided into fixed part 34 and arm of clasp 35, and fixing hole 32 and patchhole 33 are separately positioned on the position of close furrow bank 23 in collet 21 both sides of groove 22.Fixed part 34 is arranged in the fixing hole 32, and the two ends of fixed part 34 are stretched out by two openings of fixing hole 32, and formation can be across the arm of clasp 35 of groove 22, after the free end 36 of arm of clasp bends inwards, can be stretched in the patchhole 33 by the opening of patchhole 33.When the free end 36 of arm of clasp is inserted in the patchhole 33, arm of clasp 35 covers the top of groove 22, arm of clasp 35 plays barrier effect to the orthodontic bow-wire in its below groove, thereby with the groove 22 common archwire slots 4 that hold arch wire that form, form locking by the orthodontic bow-wire in 35 pairs of archwire slots of arm of clasp 4.Shown in Fig. 3-a, when the free end 36 of arm of clasp was deviate from by patchhole 33, arm of clasp 35 lifted on axially take fixed part 34, is formed for the arch wire passage 5 that arch wire is come in and gone out.
Snap ring 31 is bent and is formed by the metal tape with a structural strength/silk, and is non-closing structure, and shown in Fig. 4-a～c, snap ring 31 is for being similar to
Shape, the i.e. rectangle of openings at one side; Shown in Fig. 5-a～g, snap ring 31 is for being similar to
Shape, i.e. C shape; Shown in Fig. 6-a～b, snap ring 31 is for being similar to
Shape, the i.e. shape of the arc-shaped side intermediate openings of D.Shown in Fig. 7-a, the free end 36 of the fixed part 34 of snap ring 31, arm of clasp 35 and arm of clasp in one plane; Or shown in Fig. 7-b～g, the free end 36 of the fixed part 34 of snap ring 31, arm of clasp 35 and two arm of clasp not at grade, spiral type that can be shown in 7-g.Snap ring 31 is made by metal material, and metal comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel etc.; Also can be made by nonmetallic materials, nonmetallic materials comprise resin, plastics, pottery etc.The shape of cross section of the free end 36 of arm of clasp is circular, square, triangle, polygon or other approximate shapes, and the diameter of the free end 36 of arm of clasp is 0.02mm～1.0mm.
Fixing hole 32 and patchhole 33 can be cylinder, triangular prism body opening or other polygonal cylinder hole, also can be vertebral body, hemisphere or approximate form, or the combination of above-mentioned two or more form.The shape of cross section of fixing hole 32 and patchhole 33 can be circle, semicircle, triangle, rectangle or other polygon or other approximate shapes, also can be the combination of above-mentioned two or more shape.Fixing hole 32 and patchhole 33 are the continuous tubular of inner surface.The processing mode of fixing hole 32/ or patchhole 33 is metal casting, metal powder injection molding, metal powder sintered molding, ceramic powders injection moulding, ceramic powders sinter molding, injection mo(u)lding, line cutting, laser engraving or cut, spark machined, or the combination of above-mentioned two or more method.
Embodiment 6 compares with embodiment 2 as shown in figure 15, and locking bracket comprises substrate 1, two working wings 2, and a card arm configuration 3 all is set on each working wing 2.
Embodiment 7 compares locking bracket and comprises that the groove 22 of substrate 1,2, two working wings 2 of two working wings is coaxial as shown in figure 16 with embodiment 5.Fixing hole 32 and patchhole 33 all are set on each working wing 2, and all fixing holes 32 are in a side of groove axis, all patchholes 33 are at the opposite side of groove axis.Two working wings 2 share snap rings 31, and the fixed part 34 of snap ring 31 passes all fixing holes 32, and the free end 36 of two arm of clasp of snap ring 31 inserts on the working wings 2 in the patchhole 33 away from the side of groove axis mid point M.The groove 22 common archwire slots 4 that hold arch wire that form of two arm of clasp 35 and two working wings 2.
Embodiment 8 compares with embodiment 7 as shown in figure 17, and snap ring 31 is for being similar to
Shape, the left end of fixed part 34 is stretched out by the left opening of the fixing hole 32 of left side working wing 201, forms left arm of clasp 351; The right-hand member of fixed part 34 is stretched out by the right opening of the fixing hole 32 of right side working wing 202, forms right arm of clasp 352.Left arm of clasp 351 and right arm of clasp 352 are after intersecting above the groove 22, the free end 361 of left arm of clasp enters the patchhole 33 of right opening offside of the fixing hole 32 of right side working wing 202, and the free end 362 of right arm of clasp enters the patchhole 33 of left opening offside of the fixing hole 32 of left side working wing 201.Left arm of clasp 351 after the intersection and right arm of clasp 352 cover the top of left side working wing 201 and right side working wing 202 grooves 22, with the groove 22 common archwire slots 4 that hold arch wire that form.
Embodiment 9 compares with embodiment 8 as shown in figure 18, and the left end of fixed part 34 is stretched out by the left opening of the fixing hole 32 of left side working wing 201, forms left arm of clasp 351; The right-hand member of fixed part 34 is stretched out by the right opening of the fixing hole 32 of right side working wing 202, forms right arm of clasp 352.Left arm of clasp 351 and right arm of clasp 352 are after intersecting above the groove 22, the free end 361 of left arm of clasp enters the patchhole 33 of left opening offside of the fixing hole 32 of right side working wing 202, and the free end 362 of right arm of clasp enters the patchhole 33 of right opening offside of the fixing hole 32 of left side working wing 201.Left arm of clasp 351 after the intersection and right arm of clasp 352 cover the top of left side working wing 201 and right side working wing 202 grooves 22, with the groove 22 common archwire slots 4 that hold arch wire that form.
Embodiment 10 as shown in figure 19, compare with embodiment 7, two working wings 2 share a snap ring 31., and the fixed part 34 of snap ring 31 passes all fixing holes 32, and the free end 36 of two arm of clasp of snap ring 31 inserts in the patchhole 33 of the side of close groove axis mid point M on the working wing 2.The groove 22 common archwire slots 4 that hold arch wire that form of two arm of clasp 35 and two working wings 2.
When the number of working wing 2 is two when above, the fixed part 34 of the snap ring 31 among the embodiment 7～16 passes the fixing hole 32 on all working wing 2, and the free end 36 of two arm of clasp of snap ring 31 inserts in the patchhole 33 corresponding on two working wings 2 of outermost side.Be arm of clasp 35 only across above the groove 22 on two working wings 2 of outermost side, its below orthodontic bow-wire in groove is played barrier effect, thus with the groove 22 common archwire slots 4 that hold arch wire that form of all working wing 2.
Should be pointed out that the above specific embodiment can make those skilled in the art's comprehend this utility model create, and creates but limit never in any form this utility model.Therefore; although this description is created this utility model with reference to drawings and Examples and is had been described in detail; but; those skilled in the art are to be understood that; still can create this utility model and make amendment or be equal to replacement; in a word, all do not break away from technical scheme and the improvement thereof of the spirit and scope of this utility model creation, and it all should be encompassed in this utility model and create in the middle of the protection domain of patent.
Claims (15)
1. the locking bracket with the card arm configuration comprises a substrate, and one or more working wings that are arranged on described substrate one side, and described working wing comprises the collet that is connected with described substrate, and by the groove that is recessed to form downwards in the middle part of the described collet; The described collet top formation fin that stretches out; The groove of all described working wings is characterized in that on a groove axis: it also comprises a card arm configuration, and described card arm configuration comprises fixing hole, patchhole and snap ring; Described fixing hole is arranged on the side collet or fin with respect to described groove axis of each described working wing, described patchhole is arranged on the opposite side collet or fin of described working wing, and described fixing hole and patchhole are positioned at the top of the bottom of trench of described groove; Described snap ring comprises the free end of fixed part, card arm and card arm, described fixed part is arranged in the described fixing hole, described fixed part is stretched out by the opening of fixing hole, forms the arm of clasp across groove, and the free end of described arm of clasp can be stretched into by the opening of patchhole and insert in the hole.
As claimed in claim 1 a kind of with the card arm configuration locking bracket, it is characterized in that: described collet and fin respectively comprise two with the vertical or approximately perpendicular end face of described groove axis, described fixing hole is to be arranged on a side collet of described working wing or a through hole on the fin, two openings of described through hole are respectively on the end face of a described side collet or fin, or on the medial surface of a described side collet or fin; Described patchhole is a through hole or two blind holes that are arranged on described opposite side collet or the fin, and two openings of described patchhole are respectively on the end face of described opposite side collet or fin, or on the medial surface of described opposite side collet or fin.
3. a kind of locking bracket with the card arm configuration as claimed in claim 2 is characterized in that: described fixing hole and/or patchhole are towards the direction of described groove fluting, so that described fixing hole and/or patchhole are connected with described groove; The groove width of described fixing hole is less than the stiff end diameter, and the groove width of described patchhole is less than the free end diameter.
As claimed in claim 3 a kind of with the card arm configuration locking bracket, it is characterized in that: described groove width is 0.02mm ~ 1mm.
5. a kind of locking bracket with the card arm configuration as claimed in claim 2, it is characterized in that: the fixed part of described snap ring passes described fixing hole, and the two ends of described fixed part are stretched out by two openings of described fixing hole, form arm of clasp.
6. a kind of locking bracket with the card arm configuration as claimed in claim 5, it is characterized in that: described snap ring is the shape of arc-shaped side intermediate openings of C shape, D or the rectangle of openings at one side.
As claimed in claim 1 a kind of with the card arm configuration locking bracket, it is characterized in that: described fixed part is fixed in the described fixing hole.
8. a kind of locking bracket with the card arm configuration as claimed in claim 7, it is characterized in that: the fixing means between described fixed part and the described fixing hole comprises welding, bonding, hinged, joggle, riveted joint.
9. such as the described a kind of locking bracket with the card arm configuration of one of claim 1～8, it is characterized in that: the material of described snap ring comprises niti-shaped memorial alloy, Ni-Ti-based shape memory alloy, titanium-base alloy, cochrome or rustless steel, or resin, plastics, pottery.
10. a kind of locking bracket with the card arm configuration as claimed in claim 9, it is characterized in that: the free-ended shape of cross section of described arm of clasp is circular, square, triangle, polygon.
11. a kind of locking bracket with the card arm configuration as claimed in claim 10, it is characterized in that: the free-ended diameter of described arm of clasp is 0.02mm ~ 1.0mm.
12. such as claim 1～8,10, one of 11 described a kind of locking brackets with the card arm configuration, it is characterized in that: the processing mode of described fixing hole and/or patchhole is metal casting, metal powder injection molding, metal powder sintered molding, ceramic powders injection moulding, ceramic powders sinter molding, injection mo(u)lding, line cutting, laser engraving, cut or spark machined.
13. such as claim 1～8,10, one of 11 described a kind of locking brackets with the card arm configuration, it is characterized in that: when described locking bracket comprises two working wings, described patchhole is arranged on the collet or fin of homonymy of described groove axis, is two through holes or is separately positioned on two working wings away from two blind holes on the side end face of described groove axis mid point.
14. such as claim 1～8,10, one of 11 described a kind of locking brackets with the card arm configuration, it is characterized in that: when described locking bracket comprises two working wings, described patchhole is arranged on the collet or fin of homonymy of described groove axis, is two through holes or is separately positioned on two working wings near two blind holes on the side end face of described groove axis mid point.
15. such as claim such as claim 1～8,10, one of 11 described a kind of locking brackets with the card arm configuration, it is characterized in that: when described locking bracket comprises two above working wings, described patchhole is arranged on the collet or fin of the described groove axis of being positioned at of two outermost working wings homonymy, be two through holes or two blind holes, two openings of described patchhole are respectively on the outermost end face of described two outermost working wings, or on the medial surface of described collet or fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220088969 CN202801832U (en) | 2012-03-09 | 2012-03-09 | Self-locking bracket with blocking arm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220088969 CN202801832U (en) | 2012-03-09 | 2012-03-09 | Self-locking bracket with blocking arm structure |
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| Publication Number | Publication Date |
|---|---|
| CN202801832U true CN202801832U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220088969 Expired - Fee Related CN202801832U (en) | 2012-03-09 | 2012-03-09 | Self-locking bracket with blocking arm structure |
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| Country | Link |
|---|---|
| CN (1) | CN202801832U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579143A (en) * | 2012-03-09 | 2012-07-18 | 北京圣玛特科技有限公司 | Self-ligating bracket with clamp arm structure |
| CN104287849A (en) * | 2014-08-28 | 2015-01-21 | 四川大学 | Orthodontics self-locking bracket groove capable of adjusting bracket length |
-
2012
- 2012-03-09 CN CN 201220088969 patent/CN202801832U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102579143A (en) * | 2012-03-09 | 2012-07-18 | 北京圣玛特科技有限公司 | Self-ligating bracket with clamp arm structure |
| CN104287849A (en) * | 2014-08-28 | 2015-01-21 | 四川大学 | Orthodontics self-locking bracket groove capable of adjusting bracket length |
| CN104287849B (en) * | 2014-08-28 | 2017-01-25 | 四川大学 | Orthodontics self-locking bracket groove capable of adjusting bracket length |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20200309 |
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| CF01 | Termination of patent right due to non-payment of annual fee |