CN107874851B - Self-locking bracket for double-door sliding sheet - Google Patents
Self-locking bracket for double-door sliding sheet Download PDFInfo
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- CN107874851B CN107874851B CN201710992194.1A CN201710992194A CN107874851B CN 107874851 B CN107874851 B CN 107874851B CN 201710992194 A CN201710992194 A CN 201710992194A CN 107874851 B CN107874851 B CN 107874851B
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- Prior art keywords
- arch wire
- wire groove
- plate
- groove
- sliding
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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
- A61C7/34—Securing arch wire to bracket using lock pins
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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
- A61C7/287—Sliding locks
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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
Abstract
The invention relates to the field of brackets for orthodontics and discloses a self-locking bracket with double sliding sheets. The bracket body (11) is provided with an arch wire groove (12), two sides of the arch wire groove (12) are provided with working wings (20), the working wings (20) and the bracket body (11) on the two sides of the arch wire groove (12) are encircled to form a first sliding cavity (21), the first sliding cavity (21) is communicated with the arch wire groove (12), sliding plates (23) are arranged in the first sliding cavity (21), one side, far away from the arch wire groove (12), of each working wing (20) is provided with an operation notch (30) from top to bottom, the operation notch (30) penetrates through the upper end face and the lower end face of the first sliding cavity (21) to form a communication opening (31), and the sliding plates (23) on the two sides are mutually abutted to the upper side of the arch wire groove (12) to close the arch wire groove (12) or slide to the two sides of the arch wire groove (12. The device has the advantages of convenient opening, low failure rate, simple and reliable structure and the like.
Description
Technical Field
The invention relates to the field of brackets for orthodontics, in particular to a self-locking bracket with double sliding sheets.
Background
At present, in the orthodontic treatment process of oral teeth, an orthodontic bracket is fixed on the tooth surface, an arch wire passes through an arch wire groove (also called a square wire groove) on the bracket, the arch wire is directly ligated into the bracket arch wire groove through a ligation rubber ring or a ligation wire, the correction force of the arch wire is transmitted to the teeth through the bracket, and the teeth generate expected movement so as to achieve the purpose of correcting the teeth. Because the ligation rubber ring or the ligation steel wire used at present is ligated on the ligation wing of the bracket, the force is directly applied to the arch wire to generate larger pressure to the arch wire, which hinders the normal movement of the arch wire, thereby influencing the orthodontic effect of teeth, having complex operation and bringing inconvenience to dentists and patients.
There are also a variety of self-ligating brackets in the market at present, and the self-ligating bracket has the advantages that the use of ligature wires is omitted, the operation process of doctors is simplified, and the time of patients is saved. However, the traditional self-ligating bracket has the defects of complex structure, high failure rate, difficult operation, high price and the like in the using process.
Disclosure of Invention
Aiming at the defects of complex structure, high failure rate and the like in the prior art, the invention provides a self-locking bracket for a double-door sliding sheet.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the utility model provides a two door gleitbretters are from locking support groove, includes the bottom plate and sets up the support groove body on the bottom plate, is provided with the arch wire groove on the support groove body, and the both sides of arch wire groove are provided with work wing, its characterized in that: the working wing and the bracket bodies on two sides of the arch wire groove are enclosed to form a first sliding cavity, the first sliding cavity is communicated with the arch wire groove, sliding plates are arranged in the first sliding cavity, one side, away from the arch wire groove, of the working wing is provided with an operation notch from top to bottom, the operation notch penetrates through the upper end face and the lower end face of the first sliding cavity to form a communication opening, and the sliding plates on two sides are mutually abutted to close the arch wire groove above the arch wire groove or slide to two sides of the arch wire groove to open the arch wire groove.
Preferably, the slide plate is provided with a clamping hook, and when the arch wire groove is in an open state, the slide plate drives the clamping hook to be buckled with the outer side of the communication opening; when the hook is disengaged from the communicating opening, the rebounding piece drives the sliding plate to slide to close the arch wire groove.
Preferably, the clamping hook is arranged on the side surface of the sliding plate far away from the arch wire groove, the clamping hook comprises a supporting plate and a hook plate arranged on the upper part of the supporting plate, and an included angle between the hook plate and the supporting plate is an acute angle; the support plate or/and the hook plate is/are elastic plates.
Preferably, the bottom of the first sliding cavity is provided with a second sliding cavity which passes through the communication port and is communicated with the operation notch; the sliding plate moves along the first sliding cavity, and the upper part of the clamping hook is abutted against the upper end surface of the second sliding cavity and moves along the second sliding cavity; a rebound piece is arranged in the second sliding cavity, the rebound piece is an elastic stop pillar which is vertically arranged and fixed below the sliding plate, the bracket body is provided with a slot, and the elastic stop pillar is inserted into the slot; the sliding plate slides outwards, the elastic blocking columns are deformed to accumulate elastic potential energy, and when the clamping hooks are disengaged from the working wings, the deformed elastic blocking columns drive the sliding plate to slide to close the arch wire groove.
Preferably, the bottom surface of the first sliding cavity is provided with a stroke groove for the left and right bending of the elastic stop pillar, and the slot is communicated with the stroke groove.
Preferably, the sliding plate is an elastic plate, a first clamping column is arranged in the first sliding cavity, and a clamping groove is formed in the sliding plate; the first clamping column falls in the clamping groove to open the arch wire groove by pushing the sliding plate outwards; the sliding plate is pushed towards the direction of the arch wire groove, the first clamping column is disengaged from the clamping groove, and the sliding plates mutually abut against each other to close the arch wire groove; the sliding plate is provided with an elastic hole.
Preferably, the first clamping column is arranged on the side surface of the left end or/and the right end of the first sliding cavity, and the clamping groove is a notch formed in the left end or/and the right end of the sliding plate; the clamping groove is a stepped groove along the movement direction of the sliding plate and comprises a first clamping opening close to the arch wire groove and a second clamping opening far away from the arch wire groove, and the opening depth of the first clamping opening towards the middle of the sliding plate is smaller than the opening depth of the second clamping opening towards the middle of the sliding plate; the opening depth of the first bayonet towards the middle direction of the sliding plate is smaller than the protruding length of the first clamping column, and the opening depth of the second bayonet towards the middle direction of the sliding plate is gradually increased along the direction vertical to the outward direction of the arch wire groove.
Preferably, the sliding plate is provided with a second clamp, and the first sliding cavity is internally provided with a matching groove; the slide plate drives the second clamp to slide in the matching groove to open or close the arch wire groove, the matching groove is arranged on the left side surface and the right side surface of the first sliding cavity, and the second clamp is fixedly arranged on the left end and the right end of the slide plate; when the arch wire groove is in a closed state, the second clamp is abutted against the end face, close to the arch wire groove, of the matching groove, and when the arch wire groove is in a closed state, the second clamp is abutted against the end face, far away from the arch wire groove, of the matching groove.
Preferably, the matching groove is a stepped groove along the movement direction of the sliding plate and comprises a third bayonet close to the arch wire groove and a fourth bayonet far away from the arch wire groove, and the depth of the third bayonet is greater than that of the fourth bayonet.
Preferably, the sliding plate is an elastic plate, and an elastic notch is arranged on the sliding plate.
Preferably, one end of the sliding plate, which is positioned at the operation notch, is fixedly connected with a vertical plate which is vertical to the direction of the bottom plate; a penetrating channel is formed below the arch wire groove, vertical plates on two sides of the arch wire groove are connected through a connecting plate, the connecting plate penetrates through the penetrating channel, and a first groove is formed in the middle of the upper end face of the first sliding cavity; the slide plate is pushed to two sides, and one end of the slide plate, which is positioned at the arch wire groove, is clamped in the first groove.
By adopting the technical scheme, the invention has the following beneficial effects:
the invention adopts a double-door design, thereby ensuring that the stroke of each sliding plate is half of that of a single sliding plate, so that the sliding plates are simpler to open and close, the time is saved, the failure rate of equipment is lower, and the treatment time of a user is shortened. Moreover, the design of buckling and opening is reduced by adopting an elastic retaining column or other elastic modes, and the whole opening process only needs to push the sliding plate to move towards two sides, so that the opening is convenient; when the arch wire groove is closed, the clamping hook is pressed to be disengaged from the buckling, and the rebound piece drives the sliding plate and the clamping hook to automatically return by utilizing the accumulated elastic potential energy. The whole structure has the advantages of simple design, simple and convenient operation, lower cost, low damage rate, long service life and the like.
Meanwhile, the invention also provides a slide plate type design, the application of elastic parts such as springs is reduced by designing the structure of the slide plate, and the potential energy accumulated by self deformation is utilized to provide motion power for returning. The whole structure has the advantages of simple design, simple and convenient operation, lower cost, low damage rate, long service life and the like. The cooperation groove sets up and is difficult to warp in first spout, and the reliability is better.
Drawings
FIG. 1 is a schematic view of the overall structure of an apparatus according to example 1;
FIG. 2 is a block diagram of the slider of FIG. 1 with the slider removed;
FIG. 3 is a schematic view of the half-section perspective of FIG. 2;
fig. 4 is a schematic structural view of the slide plate and the hook;
figure 5 is a schematic view of the internal structure of the slide and catch assembly;
FIG. 6 is a schematic structural view of embodiment 3;
FIG. 7 is a block diagram of the slider of FIG. 6 with the slider removed;
FIG. 8 is a schematic view of the configuration of the slide plate engaging the first slide cavity;
FIG. 9 is a schematic view of the structure of the slide plate;
FIG. 10 is a schematic view of the entire structure of embodiment 4;
FIG. 11 is a schematic view of the slide plate of FIG. 10 with the slide plate removed;
FIG. 12 is a schematic view of the configuration of the slide plate engaging the first slide cavity;
FIG. 13 is a schematic view of the structure of the mating grooves;
FIG. 14 is a schematic structural view of example 5;
FIG. 15 is a schematic structural view of the bracket body, the bottom plate and the working wing;
fig. 16 is a schematic view of the structure of the slide plate.
The names of the parts indicated by the numerical references in the drawings are as follows: 10 a bottom plate, 11 a bracket body, 12 an arch wire groove, 20 a working wing, 21 a first sliding cavity, 22 a resilient member, 23 a sliding plate, 24 a hook, 30 an operation notch, 31 a communicating opening, 241 a supporting plate, 242 a hook plate, 32 a second sliding cavity, 33 an elastic stop column, 34 a slot, 35 a stroke groove, 36 a notch, 37 a boss, 38 a spring, 15 wing corners and 16 an upper edge.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 5, a double-door sliding piece self-ligating bracket comprises a base plate 10 and a bracket body 11 arranged on the base plate 10, wherein an arch wire groove 12 is arranged on the bracket body 11, working wings 20 are arranged on two sides of the arch wire groove 12, the working wings 20 and the bracket body 11 on two sides of the arch wire groove 12 enclose a first sliding cavity 21, the first sliding cavity 21 is communicated with the arch wire groove 12, a rebound piece 22 and a sliding plate 23 are arranged in the first sliding cavity 21, and the sliding plates 23 on two sides mutually abut against the upper part of the arch wire groove 12 to close the arch wire groove 12 or slide to two sides of the arch wire groove 12 to open the arch wire groove 12; the slide plate 23 is provided with a hook 24, and when the arch wire groove 12 is in an open state, the slide plate 23 drives the hook 24 to be buckled with the working wing 20; when the hook 24 is disengaged from the working wing 20, the rebound piece 22 drives the sliding plate 23 to slide to close the arch wire groove 12; the working wing 20 is provided with an operation notch 30; the operation notch 30 passes through the upper end surface and the lower end surface of the first sliding cavity 21, and a communication opening 31 for communicating the operation notch 30 and the first sliding cavity 21 is formed on the side surface of the operation notch 30 close to the first sliding cavity 21; the arch wire groove 12 is in an open state, and the hook 24 passes through the first sliding cavity 21 and is buckled outside the communication opening 31. Wherein the operation notch 30 penetrates the upper end surface and the lower end surface of the operation wing 20, and two sides of the operation notch 30 on each operation wing 20 respectively form a wing angle 15. The upper surface of the working wing 20 is an arc surface.
Wherein the resilient member 22 is a vertically arranged elastic stop pillar 33 fixed below the sliding plate 23, the bracket body 11 is provided with a slot 34, and the elastic stop pillar 33 is inserted into the slot 34; the sliding plate 23 slides outwards, the elastic stop pillar 33 deforms to accumulate elastic potential energy, and when the hook 24 is disengaged from the working wing 20, the deformed elastic stop pillar 33 drives the sliding plate 23 to slide to close the arch wire groove 12; the bottom surface of the first sliding cavity 21 is provided with a stroke groove 35 for the left and right bending of the elastic stop column 33, and the slot 34 is communicated with the stroke groove 35. The slot 34 is a groove opened on the bottom plate 10, and the cross section shape of the slot 34 is matched with the cross section shape of the elastic catch 33 inserted therein. For ease of manufacture and greater travel of the elastomeric abutment 33, the travel slot 35 extends through the side of the archwire slot 12 and the communication opening 31 at each end.
The hook 24 is arranged on the side of the sliding plate 23 far away from the arch wire groove 12, the hook 24 comprises a support plate 241 and a hook plate 242 arranged on the upper end surface of the support plate 241, and the included angle between the hook plate 242 and the support plate 241 is an acute angle. The acute angle between the two is formed in a barb shape, when the hook 24 slides out and enters the operation notch 30, the external force is removed, and the elastic blocking column 33 rebounds to drive the hook 24 to be clamped at the outer side of the communication opening 31. The supporting plate 241 and/or the hook plate 242 are elastic plates, and both the supporting plate 241 and the hook plate 242 are elastic plates for better elasticity and operability. In order to prevent the hook from being folded, the hook plate 242 is not preferably made of a material with strong deformation capability. Backup pad 241 is the hang plate or the arc of downward sloping, because at the in-process of outside roll-off, the outside deformation of elasticity bumping post 33 is buckled, make slide 23 and pothook 24 downstream simultaneously at outside gliding in-process, backup pad 241 designs into the hang plate or the arc of downward sloping, can push down and buckle, and after removing pothook 24 lock, the backup pad 241 of buckling downwards can provide certain resilience force, make the position of the closed arch wire slot 12 of getting back to of slide 23 and pothook 24 more smoothly.
The bottom of the first sliding chamber 21 is provided with a second sliding chamber 32 communicated with the operation notch 30 through a communication port 31; the slide plate 23 moves along the first slide chamber 21, the upper portion of the hook 24 abuts against the upper end surface of the second slide chamber 32 and moves along the second slide chamber 32, that is, the lower end of the support plate 241 falls on the upper surface of the second slide chamber 32, and the upper end of the hook plate 242 abuts against the upper surface of the second slide chamber 32. Obviously, the upper surface of the first slide chamber 21 is higher than the upper surface of the second slide chamber 32, and the upper surface of the second slide chamber 32 is higher than the upper surface of the slot 34.
The working wing 20 is fixedly connected with the bracket body 11 through welding, a notch 36 is formed in the bracket body 11, bosses 37 are formed on two sides of the notch 36, the working wing 20 is welded on the bosses 37 and forms a first sliding cavity 21 with the notch 36, two wing corners 15 of the working wing 20 are respectively welded on the bosses 37, the upper edges 16 of the wing corners 15 are clamped on the upper surface of the bosses 37, the length of the upper edges 16 is greater than that of the bosses 37, and the lower surface of the upper edges 16 forms the upper surface of the first sliding cavity 21.
In order to facilitate opening, one end of the sliding plate 23 close to the arch wire groove 12 is provided with an opening notch 40, and when the arch wire groove 12 is closed, the two opening notches 40 are abutted to form a complete notch.
The working principle of the device is as follows: when the arch wire needs to be opened and placed, the opening tool such as a flat bar is inserted into the opening notch 40 to rotate, the sliding plates 23 on the two sides are opened by sliding towards the two sides, and when the hook 24 enters the operation notch 30, the external force is removed, and the hook 24 is automatically clamped on the outer side of the communication opening 31. After the arch wire is placed, the hook 24 at both sides is pressed simultaneously to retract into the second sliding cavity 32, and the sliding plates 23 at both sides automatically return to the closed arch wire groove 12 under the action of the elastic retaining columns 33.
For better sliding, the upper end of the hook plate 242 is provided with a rounded edge. The top of the second sliding cavity 32 is an arc-shaped surface, and the hook plate 242 abuts against the top of the second sliding cavity 32 and slides along the upper part of the second sliding cavity 32, so that the normal movement of the hook plate 242 is ensured.
Example 2
This embodiment is different from embodiment 1 in that the stroke groove 35, the insertion groove 34 and the elastic stopper 33 are omitted, and a spring or a spring assembly is provided at the bottom of the first slide chamber 21. In the process of closing the archwire slot 12, after the hooks 24 are disengaged, the slide plate 23 and its hooks 24 are returned by the compressed spring or spring assembly instead of the resilient posts 33.
Example 3
As shown in fig. 6 to 9, the difference between the present embodiment and embodiment 1 is that the present embodiment is a slot-type double-door sliding-piece self-ligating bracket, which includes a bottom plate 10 and a bracket body 11 disposed on the bottom plate 10, an arch wire slot 12 is disposed on the bracket body 11, working wings 20 are disposed on the bracket bodies 11 on both sides of the arch wire slot 12, a first sliding cavity 21 is enclosed between the working wings 20 and the bracket body 11, the first sliding cavity 21 is communicated with the arch wire slot 12, elastic sliding plates 23 are disposed in the first sliding cavities 21 on both sides of the arch wire slot 12, and the sliding plates 23 on both sides abut against each other above the arch wire slot 12 to close the arch wire slot 12 or open the arch wire slot 12 to both sides of the arch wire slot 12 in a; a first clamping column 101 is arranged in the first sliding cavity 21, and a clamping groove 102 is arranged on the sliding plate 23; the first clamping column 101 falls in the clamping groove 102 to open the archwire slot 12 by pushing the sliding plate 23 outwards; the slide plate 23 is pushed towards the direction of the arch wire groove 12, the first clamping column 101 is disengaged from the clamping groove 102, and the slide plates 23 mutually abut against and close the arch wire groove 12. The working wing 20 is provided with an operation notch 30; the operation notch 30 penetrates through the upper end face and the lower end face of the first sliding cavity 21, a communication opening 31 for communicating the operation notch 30 with the first sliding cavity 21 is formed in the side face, close to the first sliding cavity 21, of the operation notch 30, the arch wire groove 12 is in an open state, the first clamping column 101 falls in the clamping groove 102, and one end, far away from the arch wire groove 12, of the sliding plate 23 penetrates through the communication opening 31 and extends out of the operation notch 30; the communication port 31 is located in a cross section inside the bottom surface of the first slide chamber 21. Wherein the operation notch 30 penetrates the upper end surface and the lower end surface of the operation wing 20, and two sides of the operation notch 30 on each operation wing 20 respectively form a wing angle. The upper surface of the working wing 20 is an arc-shaped surface 105. The communication opening 31 is located in a cross section that is located inside the bottom surface of the first slide chamber 21, which is obviously the end surface of the first slide chamber 21 that is away from the archwire slot 12.
The first clamping column 101 is arranged on the side surface of the left end or/and the right end of the first sliding cavity 21, the clamping groove 102 is a notch formed in the left end or/and the right end of the sliding plate 23, and the first clamping column 101 and the clamping groove 102 are arranged on two selected sides; the clamping groove 102 is a stepped groove along the movement direction of the sliding plate 23 and comprises a first bayonet 103 close to the arch wire groove 12 and a second bayonet 104 far away from the arch wire groove, and the opening depth of the first bayonet 103 towards the middle of the sliding plate 23 is smaller than the opening depth of the second bayonet 104 towards the middle of the sliding plate 23; the opening depth of the first bayonet 103 towards the middle part of the sliding plate 23 is less than the protruding length of the first clamping column 101, and the opening depth of the second bayonet 104 towards the middle part of the sliding plate 23 is gradually increased along the direction which is vertical to the arch wire groove 12. Here, the transition position of the first bayonet 103 and the second bayonet 104 can adopt circular arc transition, and the bottom of the first bayonet 103 close to the first sliding cavity 21 is set to be a circular arc bottom surface, so that the first clamping column 101 can stably fall in the first bayonet 103; the surface of the second bayonet 104 contacting the first clamping column 101 is an arc surface 105, and the arc surface 105 protrudes towards the middle of the sliding plate 23. When the arch wire groove 12 is in a closed state, the stopper 101 is engaged with the second bayonet 104, and when the arch wire groove is in an open state, the stopper abuts against and presses against the first bayonet 103.
The slide plate 23 is provided with an elastic hole 106, the elastic hole 106 is arranged on the inner side of the slot 102, and the elastic hole 106 is a strip-shaped hole and is arranged along the direction of the slot 102.
The working wing 20 is fixedly connected with the bracket body 11 through welding, a notch 36 is formed in the bracket body 11, bosses 37 are formed on two sides of the notch 36, the working wing 20 is welded on the bosses 37 and forms a first sliding cavity 21 with the notch 36, two wing corners 15 of the working wing 20 are respectively welded on the bosses 37, the upper edges 16 of the wing corners 15 are clamped on the upper surface of the bosses 37, the length of the upper edges 16 is greater than that of the bosses 37, and the lower surface of the upper edges 16 forms the upper surface of the first sliding cavity 21.
In order to facilitate opening, one end of the sliding plate 23, which is close to the arch wire groove 12, is provided with an opening notch 40, and when the arch wire groove 12 is in a closed state, the two opening notches 40 are abutted to form a complete notch.
The working principle of the device is as follows: when the arch wire is required to be opened and placed, the opening tool such as a flat bar is inserted into the opening notch 40 to rotate, the sliding plates 23 on the two sides are opened in a sliding mode towards the two sides, when the arc-shaped surface 105 slides into the position of the first clamping column 101, the first clamping column 101 is abutted against the first clamping opening 103, meanwhile, the bottom of the clamping groove 102 is extruded towards the elastic hole 106, and one end, far away from the arch wire groove 12, of the sliding plate 23 penetrates through the communicating opening 31 and extends into the operation notch 30; after the arch wire is put in, the extended sliding plate 23 is pressed, the sliding plate 23 slides towards the arch wire groove 12, and the potential energy accumulated by extrusion deformation is converted into the sliding kinetic energy of the sliding plate 23, thereby realizing automatic closing.
Example 4
As shown in fig. 10 to 13, the clamping column type double-door sliding piece self-locking bracket comprises a base plate 10 and a bracket body 11 arranged on the base plate 10, wherein an arch wire groove 12 is arranged on the bracket body 11, the bracket bodies 11 on both sides of the arch wire groove 12 are both provided with working wings 20, a first sliding cavity 21 is defined between the working wings 20 and the bracket body 11, the first sliding cavity 21 is communicated with the arch wire groove 12, and elastic sliding plates 23 are arranged in the first sliding cavities 21 on both sides of the arch wire groove 12; the sliding plate 23 is provided with a second clamp 200, and a matching groove 201 is arranged in the first sliding cavity 21; the slide plate 23 opens or closes the archwire slot 12 by sliding the second catch 200 in the mating slot 201. The fitting grooves 201 are formed on the left and right side surfaces of the first sliding chamber 21, and the second catches 200 are fixedly formed on the left and right ends of the sliding plate 23; when the arch wire groove 12 is in a closed state, the second clamp 200 is abutted against the end surface of the matching groove 201 close to the arch wire groove 12, and when the arch wire groove 12 is in a closed state, the second clamp 200 is abutted against the end surface of the matching groove 201 far away from the arch wire groove 12.
The matching groove 201 is a stepped groove along the movement direction of the sliding plate 23, and comprises a third bayonet 121 close to the arch wire groove 12 and a fourth bayonet 122 far away from the arch wire groove, the bayonet depth of the third bayonet 121 is greater than that of the fourth bayonet 122, the third bayonet 121 is obviously communicated with the fourth bayonet 122, a transition part has a step, and the step is in arc transition. The terminal surface that 200 were contradicted is blocked to third bayonet 121 and second is the arcwall face, the degree of depth of third bayonet 121 reduces gradually to second bayonet orientation, the degree of depth of fourth bayonet 122 is less than the length that the second blocked 200, the maximum depth of third bayonet 121 equals the length that the second blocked 200, slide 23 is the elastic plate, be provided with elasticity breach 205 on the slide 23, slide 23 also can be for the plate of combination formula of course, only need be at gliding in-process, elasticity breach 205 can block the flexible deformation that 200 was provided with the space for the second just. For better deformation, so that no fracture occurs during deformation, the number of the elastic notches 205 is two, and the elastic notches 205 are arranged at one end away from the archwire slot 12.
The working wing 20 is provided with an operation notch 30; the operation notch 30 passes through the upper end surface and the lower end surface of the first slide chamber 21, a communication opening 31 for communicating the operation notch 30 and the first slide chamber 21 is formed in the side surface of the operation notch 30 close to the first slide chamber 21, the archwire slot 12 is in an open state, and one end of the slide plate 23 passes through the communication opening 31 to protrude in the operation notch 30. The cross section of the communication port 31 is positioned at the inner side of the first sliding cavity 21 far away from the end surface of the arch wire groove 12.
The slide plate 23 is provided with an elastic hole 106, the elastic hole 106 is arranged on the inner side of the slot 102, and the elastic hole 106 is a strip-shaped hole and is arranged along the direction of the slot 102.
The working wing 20 is fixedly connected with the bracket body 11 through welding, a notch 36 is formed in the bracket body 11, bosses 37 are formed on two sides of the notch 36, the working wing 20 is welded on the bosses 37 and forms a first sliding cavity 21 with the notch 36, two wing corners 15 of the working wing 20 are respectively welded on the bosses 37, the upper edges 16 of the wing corners 15 are clamped on the upper surface of the bosses 37, the length of the upper edges 16 is greater than that of the bosses 37, and the lower surface of the upper edges 16 forms the upper surface of the first sliding cavity 21.
In order to facilitate opening, one end of the sliding plate 23, which is close to the arch wire groove 12, is provided with an opening notch 40, and when the arch wire groove 12 is in a closed state, the two opening notches 40 are abutted to form a complete notch.
The working principle of the device is as follows: when the arch wire is required to be opened and placed, the opening tool such as a flat bar is inserted into the opening notch 40 to rotate, the sliding plates 23 on the two sides are opened towards the two sides in a sliding mode, the second clamp 200 slides into the fourth bayonet 122 from the third bayonet 121, the second clamp 200 is abutted into the fourth bayonet 122 and is pressed towards the elastic hole 106 from the bottom of the clamping groove 102, and one end, far away from the arch wire groove 12, of the sliding plate 23 penetrates through the communication opening 31 and extends into the operation notch 30; after the arch wire is placed in the arch wire, the extended sliding plate 23 is pressed, the second clamping part 200 of the sliding plate 23 slides into the third clamping opening 121 from the fourth clamping opening 122, the sliding plate 23 slides towards the arch wire groove 12, and the potential energy accumulated by extrusion deformation is converted into the sliding kinetic energy of the sliding plate 23, so that the automatic closing is realized.
Example 5
As shown in fig. 14 to 16, a vertical plate 600 is attached to one end of the slide plate 23 located at the operation notch 30 in a direction perpendicular to the base plate 10; a penetrating channel 120 is formed below the arch wire groove 12, the vertical plates 600 on two sides of the arch wire groove 12 are connected through a connecting plate 601, the connecting plate 601 penetrates through the penetrating channel 120, and a first groove 210 is formed in the middle of the upper end face of the first sliding cavity 21; the slide plate 23 is pushed towards both sides, one end of the slide plate 23, which is positioned at the arch wire groove 12, is clamped in the first groove 210, wherein the connecting plate 601 is clamped in the penetrating channel 120, and when the arch wire groove 12 is opened, the slide plate 23 is deformed, and one end of the slide plate, which is close to the arch wire groove 12, is inclined upwards. When closing the archwire slot 12, the slide plate 23 is pressed out of engagement with the first groove 210, returning to the initial position under elastic deformation to close the archwire slot 12.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a two door gleitbretters auto-lock bracket, includes bottom plate (10) and support cell body (11) of setting on bottom plate (10), is provided with arch wire groove (12) on support cell body (11), and the both sides of arch wire groove (12) are provided with work wing (20), its characterized in that: the working wing (20) and the bracket bodies (11) on two sides of the arch wire groove (12) are encircled to form a first sliding cavity (21), the first sliding cavity (21) is communicated with the arch wire groove (12), sliding plates (23) are arranged in the first sliding cavity (21), an operation notch (30) from top to bottom is arranged on one side, away from the arch wire groove (12), of the working wing (20), the operation notch (30) penetrates through the upper end surface and the lower end surface of the first sliding cavity (21) to form a communication opening (31), and the sliding plates (23) on two sides mutually abut against the upper side of the arch wire groove (12) to close the arch wire groove (12) or slide to two sides of the arch wire groove (12) to open the arch wire groove (12); the bottom of the first sliding cavity (21) is provided with a second sliding cavity (32) which passes through the communication port (31) and is communicated with the operation notch (30); the sliding plate (23) moves along the first sliding cavity (21), and the upper part of the hook (24) is abutted against the upper end surface of the second sliding cavity (32) and moves along the second sliding cavity (32); a rebound part (22) is arranged in the second sliding cavity (32), the rebound part (22) is an elastic stop pillar (33) which is fixed below the sliding plate (23) and is vertically arranged, the bracket body (11) is provided with a slot (34), and the elastic stop pillar (33) is inserted into the slot (34); the sliding plate (23) slides outwards, the elastic blocking column (33) deforms to accumulate elastic potential energy, and when the hook (24) is disengaged from the working wing (20), the deformed elastic blocking column (33) drives the sliding plate (23) to slide to close the arch wire groove (12); the bottom surface of the first sliding cavity (21) is provided with a stroke groove (35) for the left and right bending of the elastic stop column (33), and the slot (34) is communicated with the stroke groove (35).
2. The self-ligating bracket of claim 1, wherein: a clamping hook (24) is arranged on the sliding plate (23), and when the arch wire groove (12) is in an open state, the sliding plate (23) drives the clamping hook (24) to be buckled with the outer side of the communicating opening (31); when the hook (24) is disengaged from the communicating opening (31), the rebound piece (22) drives the sliding plate (23) to slide to close the arch wire groove (12).
3. The self-ligating bracket of claim 2, wherein: the clamping hook (24) is arranged on the side surface of the sliding plate (23) far away from the arch wire groove (12), the clamping hook (24) comprises a supporting plate (241) and a hook plate (242) arranged on the upper part of the supporting plate (241), and the included angle between the hook plate (242) and the supporting plate (241) is an acute angle; the support plate (241) or/and the hook plate (242) is/are elastic plates.
4. The self-ligating bracket of claim 1, wherein: the sliding plate (23) is an elastic plate, a first clamping column (101) is arranged in the first sliding cavity (21), and a clamping groove (102) is arranged on the sliding plate (23); the first clamping column (101) is placed in the clamping groove (102) to open the arch wire groove (12) by pushing the sliding plate (23) outwards; the sliding plate (23) is pushed towards the direction of the arch wire groove (12), the first clamping column (101) is disengaged from the clamping groove (102), and the sliding plates (23) are mutually abutted to close the arch wire groove (12); the sliding plate (23) is provided with an elastic hole (106).
5. The self-ligating bracket of claim 4, wherein: the first clamping column (101) is arranged on the side face of the left end or/and the right end of the first sliding cavity (21), and the clamping groove (102) is a notch formed in the left end or/and the right end of the sliding plate (23); the clamping groove (102) is a stepped groove along the movement direction of the sliding plate (23) and comprises a first bayonet (103) close to the arch wire groove (12) and a second bayonet (104) far away from the arch wire groove, and the opening depth of the first bayonet (103) to the middle direction of the sliding plate (23) is smaller than the opening depth of the second bayonet (104) to the middle direction of the sliding plate (23); the opening depth of the first bayonet (103) towards the middle part of the sliding plate (23) is smaller than the protruding length of the first clamping column (101), and the opening depth of the second bayonet (104) towards the middle part of the sliding plate (23) is gradually increased along the direction vertical to the outward direction of the arch wire groove (12).
6. The self-ligating bracket of claim 1, wherein: a second clamp (200) is arranged on the sliding plate (23), and a matching groove (201) is arranged in the first sliding cavity (21); the slide plate (23) is used for opening or closing the arch wire groove (12) by driving the second clamping device (200) to slide in the matching groove (201), the matching groove (201) is arranged on the left side surface and the right side surface of the first slide cavity (21), and the second clamping device (200) is fixedly arranged on the left end and the right end of the slide plate (23); when the arch wire groove (12) is in a closed state, the second clamping device (200) is abutted against the end face, close to the arch wire groove (12), of the matching groove (201), and when the arch wire groove (12) is in the closed state, the second clamping device (200) is abutted against the end face, far away from the arch wire groove (12), of the matching groove (201).
7. The self-ligating bracket of claim 6, wherein: the matching groove (201) is a stepped groove along the movement direction of the sliding plate (23) and comprises a third bayonet (121) close to the arch wire groove (12) and a fourth bayonet (122) far away from the arch wire groove, and the bayonet depth of the third bayonet (121) is larger than that of the fourth bayonet (122).
8. The self-ligating bracket of claim 7, wherein: the sliding plate (23) is an elastic plate, and an elastic notch (205) is arranged on the sliding plate (23).
9. The self-ligating bracket of claim 1, wherein: one end of the sliding plate (23) positioned at the operation notch (30) is fixedly connected with a vertical plate (600) vertical to the direction of the bottom plate (10); a penetrating channel (120) is formed below the arch wire groove (12), vertical plates (600) on two sides of the arch wire groove (12) are connected through a connecting plate (601), the connecting plate (601) penetrates through the penetrating channel (120), and a first groove (210) is formed in the middle of the upper end face of the first sliding cavity (21); the sliding plate (23) is pushed towards two sides, and one end of the sliding plate (23) positioned at the arch wire groove (12) is clamped in the first groove (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992194.1A CN107874851B (en) | 2017-10-23 | 2017-10-23 | Self-locking bracket for double-door sliding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710992194.1A CN107874851B (en) | 2017-10-23 | 2017-10-23 | Self-locking bracket for double-door sliding sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107874851A CN107874851A (en) | 2018-04-06 |
| CN107874851B true CN107874851B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710992194.1A Active CN107874851B (en) | 2017-10-23 | 2017-10-23 | Self-locking bracket for double-door sliding sheet |
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| Country | Link |
|---|---|
| CN (1) | CN107874851B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742896B (en) * | 2018-06-02 | 2020-12-22 | 广州欧欧医疗科技有限责任公司 | Self-ligating bracket |
| CN113244002B (en) * | 2021-05-17 | 2023-06-02 | 浙江普特医疗器械股份有限公司 | Novel initiative passive self-locking bracket |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6071118A (en) * | 1998-02-17 | 2000-06-06 | Damon Family Limited Partnership | Self-ligating orthodontic bracket |
| DE102004016317B4 (en) * | 2004-03-30 | 2007-09-06 | Bernhard Förster Gmbh | Orthodontic device |
| DE102006053215B4 (en) * | 2006-11-11 | 2009-10-22 | Bernhard Förster Gmbh | Self-ligating bracket for orthodontics |
| CN102274081A (en) * | 2011-05-09 | 2011-12-14 | 杭州西湖生物材料有限公司 | Dental orthodontic autolocking bracket system |
| CN203303172U (en) * | 2013-04-28 | 2013-11-27 | 杭州新亚齿科材料有限公司 | Self-locking orthodontic bracket for straightening teeth |
| CN103961184B (en) * | 2014-05-21 | 2017-02-15 | 陈启锋 | Self-ligating bracket of movable wing |
| CN208481497U (en) * | 2017-10-23 | 2019-02-12 | 浙江日盛医疗科技股份有限公司 | Two-door slide sheet type locking bracket |
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| CN107874851A (en) | 2018-04-06 |
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Denomination of invention: Double door sliding piece self-locking bracket Effective date of registration: 20210904 Granted publication date: 20200717 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG RISHENG MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2021330001369 |