WO2018219348A1 - 一种正畸自锁托槽 - Google Patents

一种正畸自锁托槽 Download PDF

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Publication number
WO2018219348A1
WO2018219348A1 PCT/CN2018/089555 CN2018089555W WO2018219348A1 WO 2018219348 A1 WO2018219348 A1 WO 2018219348A1 CN 2018089555 W CN2018089555 W CN 2018089555W WO 2018219348 A1 WO2018219348 A1 WO 2018219348A1
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WIPO (PCT)
Prior art keywords
locking
ligating
bracket
groove
bracket body
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PCT/CN2018/089555
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English (en)
French (fr)
Inventor
王顺东
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杭州斯麦尔医疗器械有限公司
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Publication of WO2018219348A1 publication Critical patent/WO2018219348A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/28—Securing arch wire to bracket
    • A61C7/30—Securing arch wire to bracket by resilient means; Dispensers therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C2204/00—Features not otherwise provided for

Definitions

  • This invention relates to orthodontic tools and, more particularly, to an orthodontic self-locking bracket.
  • Orthodontic treatment is a specialized discipline in the field of dentistry. It is mainly for the treatment of teeth, jaws and facial deformities. The normal occlusion function of the patient is gradually restored by installing a fixed orthodontic appliance inside the oral cavity.
  • the bracket is an important part of the fixed orthodontic technique and is directly bonded to the crown surface with an adhesive. Orthodontic treatment by placing the orthodontic archwire in the groove of the bracket, the archwire applies various types of orthodontic force to the tooth through the bracket, guiding the displaced tooth to move to the desired position.
  • the main function of the bracket is to fix the arch wire, so that the arch wire can play a better role and transmit the corrective force, thereby controlling the three-dimensional movement of the tooth and achieving the purpose of orthodontic treatment.
  • brackets require the doctor to re-ligature each time they return to the archwire, which will take a lot of time.
  • the friction between the archwire and the bracket is large, resulting in the corrective force. Increased, requires greater anchorage, and also slows the movement of the teeth.
  • an object of the present invention to provide an orthodontic self-locking bracket that improves the speed of movement of the teeth and shortens the entire treatment cycle.
  • an orthodontic self-locking bracket including a bracket bottom plate, and a bracket body disposed on the bracket bottom plate, wherein the bracket body is downwardly recessed to form a bow a locking groove is arranged on the upper side of the arching groove, and a locking piece is arranged on the lower surface of the locking groove.
  • the locking surface is provided with a locking groove at one end, and the first locking position is provided at one end of the locking groove, and the other end of the locking groove is provided.
  • the second locking position, the first locking position and the second locking position are connected by a transition position, and the bracket body is provided with a locking mechanism for fixing the locking piece to the first locking position and the second locking position.
  • the locking mechanism includes an elastic member on the bracket body, and the elastic member is provided with a protrusion receivable by the locking position.
  • the locking piece is locked
  • the locking piece is in a half-open state, and the elastic member is forced to contract and accumulate; when the protrusion on the elastic member is received by the second locking position, the locking piece Is open.
  • the use of the self-locking bracket can save the time of re-diagnosis of the archwire.
  • the archwire can slide freely in the archwire slot, the friction is small, the corrective force is small, the patient has no obvious pain, and the teeth are improved.
  • the moving speed shortens the entire treatment cycle, the locking piece slides and locks, and the operation is convenient, and is widely used for dental orthodontics.
  • a locking mechanism is arranged between the locking piece and the bracket body, and the locking mechanism is equivalent to the bracket body.
  • the orthodontic arch wire can be directly locked in the archwire slot of the bracket body, thereby eliminating the binding of the ligature wire to the orthodontic wire, and on the other hand, effectively preventing the lock piece from falling off when sliding, so that
  • the locking piece can firmly lock the bracket body, the locking mechanism has a reasonable structural design, and the operation is smooth during the sliding process.
  • the elastic member is forced to contract and accumulate, so that the locking piece can be switched to open or Closed state, low effort.
  • the present invention is further configured to: the bracket body is provided with a sliding slot for sliding the locking piece, the groove is provided on both sides of the sliding slot, and the sliding strips are arranged on both sides of the locking piece to cooperate with the groove rail sliding.
  • the slider on the lock piece and the groove track on the sliding slot cooperate with each other to guide and position the locking piece, and the locking piece is limited to slide in the groove rail, so that the locking piece does not generate left and right, and is stable. Locked on the chute.
  • the present invention is further configured such that the present invention is further configured such that the protrusion is a ball and the elastic member is a tower spring.
  • the protrusion adopts a ball, which is convenient to operate, saves trouble and labor
  • the elastic member adopts a tower spring, has small volume and large load, and is widely used in a narrow space, and has a good shock absorption effect.
  • the invention is further configured to: a ball positioning hole is formed at a center of the bracket body, a tower spring is disposed in the ball positioning hole, and a ball is pressed on the tower spring.
  • the setting of the ball positioning hole facilitates the fixing and positioning of the ball and the tower spring, and the structure is simple.
  • the present invention is further configured to: an upper groove is formed at a center of a front surface of the bracket bottom plate, and a protrusion for positioning the tower spring is disposed in the upper groove.
  • the design of the upper groove cooperates with the ball positioning hole on the bracket body to jointly act on the locking mechanism
  • the elastic member adopts a tower spring
  • the tower spring is limited to the protrusion in the upper groove, the elastic member Not easy to shift.
  • the present invention is further configured such that the bracket body has asymmetric ligating wings, and the ligating wings are respectively designed with a card slot for allowing the locking piece to be inserted.
  • the setting of the card slot facilitates the positioning of the locking piece, and facilitates the positioning action of the locking piece sliding process on the end portion.
  • the invention is further configured to: the side of the ligating wing is thickened, the other side is thinned, and the free end of the ligating wing is buckled and arranged in a certain arc.
  • the invention is further provided that the bottom of the bracket bottom plate is provided with a bonding net, and the periphery of the bonding net is provided with a surrounding wall for preventing the colloid from diffusing to the outside of the bonding net.
  • the colloid when the colloid is coated on the bonding net and the teeth are in contact with each other, since the periphery of the bonding net is provided with a surrounding wall, when the colloid diffuses to the surrounding wall, the surrounding wall effectively acts as a colloid The blocking function prevents the colloid from continuing to spread to the outside of the bonding net. At the same time, when the colloid flows to the surrounding wall, the reaction force generated by the blocking of the colloid by the surrounding wall causes the colloid to return to the dip. In the groove which is not filled with colloid on the net, the colloid can be evenly spread on the bonding net to effectively cooperate with the teeth.
  • the present invention is further configured to form a groove for the colloid to flow in the middle of the surrounding wall, and a side of the surrounding wall facing the bottom plate is provided with a fitting wall, and the fitting wall is attached to the tooth and arranged in an arc shape.
  • the ergonomic design is adopted, and the fitting wall is arranged in an arc shape, so that the fitting wall and the teeth are more conformable and more comfortable to wear.
  • the present invention is further configured such that the protrusion is disposed in an elongated shape, and the elongated shape is disposed in a hemispherical shape toward a side of the second locking position, and the protrusion is disposed at an acute angle to the side of the bracket groove toward the archwire slot.
  • the bracket body is provided with a sliding groove for vertically displacing the protrusion, and the protrusion is opposite to the inner wall of the sliding groove and is opposite to the inner wall of the sliding groove of the sliding groove. Face it straight.
  • the protrusion and the bracket body are arranged at an acute angle, and one end of the protrusion abuts the straight surface of the sliding groove with respect to the inner wall of the archwire groove, so that the sliding groove gives the protrusion toward the archwire slot.
  • the supporting force of the side, the elastic member gives the upward supporting force of the protrusion, and the limit action of the locking piece is enhanced, so that the self-locking bracket fixes the arch wire in the oral cavity, and when the food is chewed, the locking piece is not easy to slip, ensuring self-protection The locking bracket and the stability of the archwire.
  • the present invention has the following beneficial effects:
  • the use of self-locking brackets can save the time of re-diagnosis of archwires.
  • the archwires slide freely in the archwire slots, the friction is small, the corrective force is small, the patient has no obvious pain, and the movement speed of the teeth is improved.
  • the whole treatment cycle is shortened, the locking piece is slidingly locked, and the operation is convenient.
  • a locking mechanism is arranged between the locking piece and the bracket body to effectively prevent the locking piece from falling off during sliding, and the sliding is required.
  • the lock cover must be able to securely lock the bracket body, and the sliding lock piece and the bracket body are tightly fitted to operate smoothly during the sliding process.
  • the structure of the locking mechanism is reasonable.
  • the slider on the locking piece cooperates with the groove track on the sliding slot to guide and position the locking piece.
  • the locking piece is limited to slide in the groove rail, so that the locking piece does not produce left and right, and the locking is stable.
  • the protrusion adopts the ball, which is convenient to operate, saves trouble and labor
  • the elastic member adopts the tower spring, has small volume and large load, and is widely used in a narrow space, and has a good shock absorption effect
  • the side of the ligating wing is thickened, the other side is thinned, and the free end of the ligating wing is buckled and set in a certain arc, which saves space, avoids accidental injury to the mouth during operation, is safe to use, and makes the bracket body as a whole. More beautiful;
  • the bottom of the bracket bottom plate is provided with a bonding net
  • the periphery of the bonding net is provided with a surrounding wall for preventing the colloid from diffusing to the outside of the bonding net.
  • the periphery is provided with a surrounding wall, so when the colloid diffuses to the surrounding wall, the surrounding wall effectively blocks the colloid, that is, prevents the colloid from continuing to spread to the outside of the bonding net; meanwhile, when the colloid flows to When the wall is closed, the reaction force generated by the barrier of the wall against the colloid will cause the colloid to return to the groove which is not filled with the colloid on the mesh, further allowing the colloid to be uniformly applied to the bonding net. Effectively interact with the teeth;
  • a groove for colloidal flow is formed in the middle of the surrounding wall, and a fitting wall is provided on one side of the surrounding wall facing the bottom plate, and the fitting wall is attached with the teeth and arranged in an arc shape, and the ergonomic design is adopted, and the fitting wall is curved. Set to make the fit wall fit better with the teeth and more comfortable to wear.
  • Embodiment 1 is a schematic structural view of Embodiment 1;
  • FIG. 2 is a schematic structural view showing a state in which the lock piece of the embodiment is removed;
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • FIG. 4 is a schematic structural view of a bracket body according to Embodiment 1;
  • Figure 5 is a top plan view of the lock piece of the embodiment
  • Figure 6 is a bottom view of the bracket body of the embodiment.
  • FIG. 7 is a top plan view of a bracket bottom plate of the embodiment.
  • Figure 8 is a top plan view of the bracket bottom plate of the embodiment.
  • Figure 9 is a schematic cross-sectional view of the second embodiment.
  • Embodiment 1 An orthodontic self-locking bracket, referring to FIG. 1 , includes a bracket bottom plate 1 , a bracket body 2 is disposed above the bracket bottom plate 1 , and a bracket groove 2 is downwardly recessed to form an arch wire slot 3 . Above the archwire slot 3, a locking tab 4 is provided which is slidably engaged with the bracket body 2.
  • the bracket body 2 is provided with a sliding slot 19.
  • the sliding slot 19 is disposed for the locking piece 4 to slide, and the groove rail 20 is disposed on both sides of the sliding slot 19.
  • the locking piece 4 is provided on both sides.
  • the slider 21 is slidably engaged with the groove rail 20, and the slider 21 slides along the groove rail 20 to open and close the locking piece 4.
  • the bracket body 2 is provided with a ligating wing 13 , and the ligating wings 13 are asymmetrically disposed.
  • the ligating wings 13 are respectively designed with a card slot 14 for allowing the locking piece 4 to be inserted, and the card slot 14 is disposed in parallel with the archwire slot 3 .
  • the lower surface of the locking piece 4 is provided with a locking groove 5, and the bracket body 2 is provided with a locking mechanism 6 for fixing the locking piece 4 in the locking groove 5.
  • one end of the locking groove 5 is provided with a first locking position 51
  • the other end of the locking groove 5 is provided with a second locking position 52
  • Bit 53 transitions.
  • the locking mechanism 6 includes an elastic member 7 on the bracket body 2, the elastic member 7 is a tower spring, and the elastic member 7 is provided with a protrusion 8 receivable by the first locking position 51 and the second locking position 52.
  • the protrusion 8 is a ball, and when the protrusion 8 on the elastic member 7 is received by the first locking position 51, the locking piece 4 is in the locked state; when the protrusion 8 on the elastic member 7 is received by the transition piece 53, the lock The sheet 4 is in a half-open state and forces the elastic member 7 to contract and accumulate; when the projection 8 on the elastic member 7 is received by the second locking position 52, the locking tab 4 is in an open state.
  • a ball positioning hole 9 is formed at the center of the bracket body 2.
  • a tower spring is disposed in the ball positioning hole 9, and a ball is pressed on the tower spring.
  • a bracket bottom plate 1 is provided at the bottom of the bracket body 2, and an upper groove 11 is formed at the center of the front surface of the bracket bottom plate 1, and a projection 12 for positioning the tower spring is disposed in the upper groove 11.
  • the bottom of the bracket bottom plate 1 is provided with a bonding net 15, and the bonding net 15 includes a plurality of staggered protruding columns 151, and a gap is formed between the adjacent two protruding columns 151.
  • the periphery of the bonding net 15 is provided with a surrounding wall 16 for preventing the colloid from diffusing to the outside of the bonding net 15, and a lower groove 17 for flowing the colloid is formed in the middle of the surrounding wall 16, and the side of the surrounding wall 16 facing away from the bottom plate is provided with a fitting
  • the wall 18, the conforming wall 18 is attached to the teeth and arranged in an arc.
  • Embodiment 2 is different from the first embodiment in that the protrusion 8 is a cylinder, the cylinder is disposed at one end of the second locking position 52, and the elastic member 7 is connected to the other end of the cylinder.
  • the groove body 2 is provided with a sliding groove 22 for the cylinder to be vertically displaced only.
  • the width of the sliding groove 22 is equal to the diameter of the cylinder, and the cylinder and the bracket body 2 are disposed at an acute angle toward the side of the archwire groove 3, and the cylinder is opposite to the hemispherical end.
  • the angle between the cylinder and the bracket body 2 is 45°.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

本发明公开了一种正畸自锁托槽，包括托槽底板，以及设置在托槽底板上的托槽体，托槽体中部向下凹陷形成弓丝槽，弓丝槽上方设有与托槽体滑移配合的锁片，锁片下表面设有锁止槽，锁止槽一端设有第一锁止位，锁止槽另一端设有第二锁止位，第一锁止位和第二锁止位之间通过过渡位过渡连接，托槽体上设有将锁片固定于第一锁止位和第二锁止位的锁止机构，锁止机构包括位于托槽体上的弹性件，弹性件上设有可被该锁止位接收的凸起，当弹性件上的凸起被第一锁止位接收时，锁片处于锁止状态；当弹性件上的凸起被过渡位接收时，锁片处于半开状态，并迫使弹性件收缩并蓄能。本发明提高了牙齿的移动速度，缩短了整个治疗周期。

Description

一种正畸自锁托槽 技术领域
本发明涉及牙齿矫正工具，更具体地说，它涉及一种正畸自锁托槽。
背景技术
正畸治疗是牙科领域的一门专业化程度较高的分支学科，主要是针对牙齿、颌骨、面部畸形进行矫治，通过在口腔内部安装固定正畸矫治器来逐渐恢复患者的正常咬合功能。托槽是固定矫治技术的重要部件，用粘接剂直接粘接于牙冠表面。正畸治疗通过将矫治弓丝安装在托槽的槽沟内，弓丝通过托槽对牙施以各种类型的矫治力，引导错位的牙齿移动到理想的位置。其中，托槽主要作用在于固定弓丝，从而使弓丝更好的发挥作用，传递矫治力，以此控制牙齿三维的移动，达到正畸矫治的目的。
普通托槽需要医生在每次复诊换弓丝时，重新结扎，会花费大量时间，同时由于弓丝与托槽体结扎在一起，使得弓丝与托槽之间的摩擦力大，导致矫治力增加，需要更大的支抗，同时也减慢了牙齿的移动速度。
发明内容
针对现有技术存在的不足，本发明的目的在于提供一种正畸自锁托槽，提高了牙齿的移动速度，缩短了整个治疗周期。
本发明的上述技术目的是通过以下技术方案得以实现的：一种正畸自锁托槽，包括托槽底板，以及设置在托槽底板上的托槽体，托槽体中部向下凹陷形成弓丝槽，弓丝槽上方设有与托槽体滑移配合的锁片，锁片下表面设有锁止槽，锁止槽一端设有第一锁止位，锁止槽另一端设有第二锁止位，第一锁止位和第二锁止位之间通过过渡位过渡连接，托槽体上设有将锁片固定于第一锁止位和第二锁止位的锁止机构，锁止机构包括位于托槽体上的弹性件，弹性件上设有可被该锁止位接收的凸起，当弹性件上的凸起被第一锁止位接收时，锁片处于锁止状态；当弹性件上的凸起被过渡位接收时，锁片处于半开状态，并迫使弹性件收缩并蓄能；当弹性件上的凸起被第二锁止位接收时，锁片处于打开状态。
通过采用上述技术方案，使用自锁托槽可以节省每次复诊换弓丝的时间，同时，弓丝在弓丝槽内自由滑动，摩擦力小，矫治力小，病人无明显疼痛感，提高牙齿的移动速度，缩短了整个治疗周期，锁片滑动锁定，其操作方便，被广泛的用于牙科正畸，锁片与托槽体之间设置锁止机构，锁止机构相当于托槽体上加了一道门，一方面可以直接将正畸弓丝锁闭在托槽体的弓丝槽内，免除了结扎钢丝对正畸钢丝的捆绑，另一方面有效防止滑动时锁片的脱落，使锁片能够牢固的锁紧托槽体，锁止机构结构设计合理，在滑移过程中操作顺畅，当锁 片处于半开状态，迫使弹性件收缩并蓄能，方便将锁片切换至打开或者闭合状态，操作省力。
本发明进一步设置为：所述托槽体上设有供锁片滑移的滑槽，滑槽两侧设有槽轨，锁片两侧设有与槽轨滑移配合的滑条。
通过采用上述技术方案，锁片上的滑条与滑槽上的槽轨默契配合，对锁片起到导向和定位作用，锁片限定在槽轨内滑动，使锁片不产生左右为宜，稳固的锁定在滑槽上。
本发明进一步设置为：本发明进一步设置为：所述凸起为滚珠，所述弹性件为塔簧。
通过采用上述技术方案，凸起采用滚珠，操作方便，省事省力，弹性件采用塔簧，体积小，载荷大，广泛应用于狭小空间内，具有很好的减震效果。
本发明进一步设置为：所述托槽体中心处开有滚珠定位孔，滚珠定位孔内设有塔簧，塔簧上压有滚珠。
通过采用上述技术方案，滚珠定位孔的设置方便滚珠和塔簧的固定和定位，结构简单。
本发明进一步设置为：所述托槽底板正面中心处开有上沟槽，上沟槽内设有用于定位塔簧的凸起。
通过采用上述技术方案，上沟槽的设计，与托槽体上滚珠定位孔配合，共同作用锁止机构，弹性件采用塔簧，塔簧限位在上沟槽内的凸起上，弹性件不易移位。
本发明进一步设置为：所述托槽体带有不对称结扎翼，结扎翼内分别设计有允许锁片插入的卡槽。
通过采用上述技术方案，卡槽的设置方便锁片的定位，便于锁片滑移过程对端部的定位作用。
本发明进一步设置为：所述结扎翼一侧增厚设置，另一侧减薄设置，且结扎翼自由端内扣并呈一定弧度设置。
通过采用上述技术方案，节省了空间，避免操作时误伤口腔，使用安全，且使托槽体整体更美观。
本发明进一步设置为：所述托槽底板底部设有沾合网，沾合网的外围设有防止胶体向沾合网外部扩散的围壁。
通过采用上述技术方案，当胶体涂在沾合网上与牙齿抵触贴合时，由于沾合网的外围设置有围壁，所以当胶体扩散到围壁处时，围壁就有效的起到了对胶体的阻挡作用，即防止了胶体继续向沾合网的外部四处扩散情况；同时当胶体流动到围壁处时，由于围壁对胶体的阻挡而产生的反作用力，会使得胶体又会回流到沾合网上未充满胶体的沟槽中，进一步的使得胶体能够均匀的涂抹在沾合网上，从而与牙齿起到有效的沾合作用。
本发明进一步设置为：所述围壁中间形成供胶体流动的沟槽，围壁背向底板的一侧设 置贴合壁，贴合壁与牙齿贴合并呈弧形设置。
通过采用上述技术方案，采用人体工学设计，贴合壁呈弧形设置，使贴合壁与牙齿贴合度更好，佩戴更舒服。
本发明进一步设置为：所述凸起设置为长条形，长条形朝向第二锁止位一侧设置为半球形，所述凸起与托槽体朝向弓丝槽一侧呈锐角设置，所述托槽体上开设有仅供凸起上下位移的滑移槽，所述凸起相对半球形一端开设有与滑移槽内壁平行且与滑移槽相对弓丝槽一侧内壁抵接的直面一。
通过采用上述技术方案，通过将凸起与托槽体呈锐角设置、且凸起一端与滑移槽相对弓丝槽一侧内壁直面抵接，使其滑移槽给予凸起朝向弓丝槽一侧的支撑力，弹性件给予凸起朝上支撑力，增强对锁片的限位作用，使其自锁托槽将弓丝固定在口腔内，在咀嚼食物时，锁片不易滑落，保证自锁托槽以及弓丝的稳定性。
综上所述，本发明具有以下有益效果：
其一，使用自锁托槽可以节省每次复诊换弓丝的时间，同时，弓丝在弓丝槽内自由滑动，摩擦力小，矫治力小，病人无明显疼痛感，提高牙齿的移动速度，缩短了整个治疗周期，锁片滑动锁定，其操作方便，被广泛的用于牙科正畸，锁片与托槽体之间设置锁止机构，有效防止滑动时锁片的脱落，就要求滑动锁盖必须能够牢固的锁紧托槽体，滑动锁片与托槽体之间紧密配合，在滑移过程中操作顺畅。锁止机构结构设计合理，当锁片处于半开状态，迫使弹性件收缩并蓄能，方便将锁片切换至打开或者闭合状态；
其二，锁片上的滑条与滑槽上的槽轨默契配合，对锁片起到导向和定位作用，锁片限定在槽轨内滑动，使锁片不产生左右为宜，稳固的锁定在滑槽上；
其三，凸起采用滚珠，操作方便，省事省力，弹性件采用塔簧，体积小，载荷大，广泛应用于狭小空间内，具有很好的减震效果；
其四，结扎翼一侧增厚设置，另一侧减薄设置，且结扎翼自由端内扣并呈一定弧度设置，节省了空间，避免操作时误伤口腔，使用安全，且使托槽体整体更美观；
其五，托槽底板底部设有沾合网，沾合网的外围设有防止胶体向沾合网外部扩散的围壁，当胶体涂在沾合网上与牙齿抵触贴合时，由于沾合网的外围设置有围壁，所以当胶体扩散到围壁处时，围壁就有效的起到了对胶体的阻挡作用，即防止了胶体继续向沾合网的外部四处扩散情况；同时当胶体流动到围壁处时，由于围壁对胶体的阻挡而产生的反作用力，会使得胶体又会回流到沾合网上未充满胶体的沟槽中，进一步的使得胶体能够均匀的涂抹在沾合网上，从而与牙齿起到有效的沾合作用；
其六，围壁中间形成供胶体流动的沟槽，围壁背向底板的一侧设置贴合壁，贴合壁与牙齿贴 合并呈弧形设置，采用人体工学设计，贴合壁呈弧形设置，使贴合壁与牙齿贴合度更好，佩戴更舒服。
附图说明
图1为实施例一的结构示意图；
图2为实施例一锁片拆卸状态结构示意图；
图3为图2中A-A向剖视示意图；
图4为实施例一托槽体结构示意图；
图5为实施例一锁片俯视示意图；
图6为实施例一托槽体仰视示意图；
图7为实施例一托槽底板俯视示意图；
图8为实施例一托槽底板俯视示意图；
图9为实施例二的剖面示意图。
图中：1、托槽底板；2、托槽体；3、弓丝槽；4、锁片；5、锁止槽；51、第一锁止位；52、第二锁止位；53、过渡位；6、锁止机构；7、弹性件；8、凸起；9、滚珠定位孔；11、上沟槽；12、凸块；13、结扎翼；14、卡槽；15、沾合网；151、凸柱；16、围壁；17、下沟槽；18、贴合壁；19、滑槽；20、槽轨；21、滑条；22、滑移槽；23、直面一；24、直面二。
具体实施方式
下面结合附图和实施例，对本发明进行详细描述。
实施例1：一种正畸自锁托槽，参照图1，包括托槽底板1，在托槽底板1上方设有托槽体2，托槽体2中部向下凹陷形成弓丝槽3，弓丝槽3上方设有与托槽体2滑移配合的锁片4。
参照图2，托槽体2上开有滑槽19，滑槽19的设置供锁片4滑移，在滑槽19两侧设有槽轨20，参照图5，锁片4两侧设有与槽轨20滑移配合的滑条21，滑条21沿着槽轨20滑动实现锁片4的打开和闭合。
托槽体2上带有结扎翼13，结扎翼13不对称设置，在结扎翼13内分别设计有允许锁片4插入的卡槽14，卡槽14与弓丝槽3平行设置。
锁片4下表面设有锁止槽5，托槽体2上设有将锁片4固定于锁止槽5内的锁止机构6。
参照图6，锁止槽5一端设有第一锁止位51，锁止槽5另一端设有第二锁止位52，第一锁止位51和第二锁止位52之间通过过渡位53过渡连接。
锁止机构6包括位于托槽体2上的弹性件7，弹性件7采用塔簧，弹性件7上设有可被第一锁止位51和第二锁止位52接收的凸起8，凸起8采用滚珠，当弹性件7上的凸起8被第一锁止位51接收时，锁片4处于锁止状态；当弹性件7上的凸起8被过渡位53接收时，锁片4处于半开状态，并迫使弹性件7收缩并蓄能；当弹性件7上的凸起8被第二锁止位52接收时，锁片4处于打开状态。
参照图4，在托槽体2中心处开有滚珠定位孔9，参照图3，滚珠定位孔9内设有塔簧，塔簧上压有滚珠。
参照图7，在托槽体2底部设有托槽底板1，托槽底板1正面中心处开有上沟槽11，上沟槽11内设有用于定位塔簧的凸块12。
参照图8，托槽底板1底部设有沾合网15，沾合网15包括多个交错分布的凸柱151，相邻两个凸柱151之间形成间隙。
沾合网15的外围设有防止胶体向沾合网15外部四处扩散的围壁16，在围壁16中间形成供胶体流动的下沟槽17，围壁16背向底板的一侧设置贴合壁18，贴合壁18与牙齿贴合并呈弧形设置。
实施例2，如图9所示，与实施例一不同之处在于，上述凸起8采用圆柱，圆柱位于第二锁止位52一端设置为半球形，弹性件7与圆柱另一端连接，托槽体2上开设有供圆柱仅能上下位移的滑移槽22，滑移槽22宽度与圆柱直径相等，圆柱与托槽体2朝向弓丝槽3一侧呈锐角设置，圆柱相对半球形一端开设有与滑移槽22内壁平行且与滑移槽22相对弓丝槽3一侧内壁抵接的直面一23、以及与直面一23垂直的直面二24，直面二24与弹性件7端面抵接。
本实施例中，圆柱与托槽体2之间夹角为45°。
以上所述仅是本发明的优选实施方式，本发明的保护范围并不仅局限于上述实施例，凡属于本发明思路下的技术方案均属于本发明的保护范围。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理前提下的若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

  1. 一种正畸自锁托槽，其特征在于：包括托槽底板(1)，以及设置在托槽底板(1)上的托槽体(2)，托槽体(2)中部向下凹陷形成弓丝槽(3)，弓丝槽(3)上方设有与托槽体(2)滑移配合的锁片(4)，锁片(4)下表面设有锁止槽(5)，锁止槽(5)一端设有第一锁止位(51)，锁止槽(5)另一端设有第二锁止位(52)，第一锁止位(51)和第二锁止位(52)之间通过过渡位(53)过渡连接，托槽体(2)上设有将锁片(4)固定于第一锁止位(51)和第二锁止位(52)的锁止机构(6)，锁止机构(6)包括位于托槽体(2)上的弹性件(7)，弹性件(7)上设有可被该锁止位接收的凸起(8)，当弹性件(7)上的凸起(8)被第一锁止位(51)接收时，锁片(4)处于锁止状态；当弹性件(7)上的凸起(8)被过渡位(53)接收时，锁片(4)处于半开状态，并迫使弹性件(7)收缩并蓄能；当弹性件(7)上的凸起(8)被第二锁止位(52)接收时，锁片(4)处于打开状态。
  2. 根据权利要求1所述的正畸自锁托槽，其特征在于：所述托槽体(2)上设有供锁片(4)滑移的滑槽(19)，滑槽(19)两侧设有槽轨(20)，锁片(4)两侧设有与槽轨(20)滑移配合的滑条(21)。
  3. 根据权利要求2所述的正畸自锁托槽，其特征在于：所述凸起(8)为滚珠，所述弹性件(7)为塔簧。
  4. 根据权利要求3所述的正畸自锁托槽，其特征在于：所述托槽体(2)中心处开有滚珠定位孔(9)，滚珠定位孔(9)内设有塔簧，塔簧上压有滚珠。
  5. 根据权利要求4所述的正畸自锁托槽，其特征在于：所述托槽底板(1)正面中心处开有上沟槽(11)，上沟槽(11)内设有用于定位塔簧的凸块(12)。
  6. 根据权利要求5所述的正畸自锁托槽，其特征在于：所述托槽体(2)带有不对称结扎翼(13)，结扎翼(13)内分别设计有允许锁片(4)插入的卡槽(14)。
  7. 根据权利要求6所述的正畸自锁托槽，其特征在于：所述结扎翼(13)一侧增厚设置，另一侧减薄设置，且结扎翼(13)自由端内扣并呈一定弧度设置。
  8. 根据权利要求5所述的正畸自锁托槽，其特征在于：所述托槽底板(1)底部设有沾合网(15)，沾合网(15)的外围设有防止胶体向沾合网(15)外部扩散的围壁(16)。
  9. 根据权利要求8所述的正畸自锁托槽，其特征在于：所述围壁(16)中间形成供胶体流动的下沟槽(17)，围壁(16)背向底板的一侧设置贴合壁(18)，贴合壁(18)与牙齿贴合并呈弧形设置。
  10. 根据权利要求1所述的正畸自锁托槽，其特征在于：所述凸起(8)设置为长条形，长条形朝向第二锁止位(52)一侧设置为半球形，所述凸起(8)与托槽体(2)朝向弓丝槽(3)一侧呈锐角设置，所述托槽体(2)上开设有仅供凸起(8)上下位移的滑移槽(22)，所述凸起(8)相对半球形一端开设有与滑移槽(22)内壁平行且与滑移槽(22)相对弓丝槽(3)一侧内壁抵接的直面一(23)。
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