CN208017607U - Self-ligating orthodontic bracket - Google Patents
Self-ligating orthodontic bracket Download PDFInfo
- Publication number
- CN208017607U CN208017607U CN201720477734.8U CN201720477734U CN208017607U CN 208017607 U CN208017607 U CN 208017607U CN 201720477734 U CN201720477734 U CN 201720477734U CN 208017607 U CN208017607 U CN 208017607U
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- China
- Prior art keywords
- self
- latch fitting
- elastic
- block piece
- orthodontic bracket
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Abstract
The utility model discloses a kind of self-ligating orthodontic brackets, it includes pedestal and block piece, archwire slot is equipped on pedestal, insertion section is equipped on pedestal, block piece is slidably matched with insertion section, which has blocking position and open position, when stopping position, block piece blocks the archwire slot, and in open position, block piece deviates from the archwire slot；In block piece upper edge, its glide direction is equipped with latch wall, and the elastic latch fitting coordinated with it is equipped at latch wall, and self-locking protrusion is equipped between latch wall and elastic latch fitting；Self-locking protrusion is less than size of the elastic latch fitting along glide direction along the size of glide direction.The utility model can effectively reduce the abrasion condition of elastic latch fitting, improve the self-locking effect of bracket.
Description
Technical field
The utility model belongs to orthodontic fields, and in particular to self-ligating orthodontic bracket.
Background technology
Bracket (bracket) is the important component of fixed orthodontics, is the appliance of straightening of teeth arrangement deformity.
In the self-locking structure of existing bracket, since sliding groove is relatively narrow and long, when opening, its frictional force is larger, easily causes
Excessive wear to elastic latch fitting influences the service life of bracket, and cover board self-lock force is caused to decline, final that cover board occurs easily
Or it automatically turns on.Influence therapeutic effect.
Invention content
The purpose of this utility model is to provide a kind of self-ligating orthodontic bracket, the utility model can effectively reduce elasticity
The abrasion condition of latch fitting improves the self-locking effect of bracket.
Its technical solution is as follows：
Self-ligating orthodontic bracket, including pedestal and block piece are equipped with archwire slot on pedestal, and insertion section, gear are equipped on pedestal
Part is slidably matched with insertion section, which has blocking position and open position, and when stopping position, block piece blocks the archwire slot,
When open position, block piece deviates from the archwire slot；Be equipped with latch wall in block piece upper edge its glide direction, be equipped at latch wall with
Its elastic latch fitting coordinated is equipped with self-locking protrusion between latch wall and elastic latch fitting；Size of the self-locking protrusion along glide direction
Less than the elastic latch fitting along the size of glide direction.
Further, the side of self-locking protrusion is lock side, and the other side is release side, and the protrusion for discharging side and lock side is high
Protrusion height of the degree less than self-locking protrusion.
Further, it is the transition of mutation formula or gradual change type transition, the self-locking convex between the self-locking protrusion and release side
It is mutation formula transition between portion and lock side.
Further, the block piece is equipped with hole slot, and the inner wall of the hole slot forms the latch wall, and lock side is far from institute
Archwire slot one end is stated, release side is close to described archwire slot one end.
Further, there are the hole slot two opposite madial walls, two madial walls to be set along the glide direction of block piece
It sets；The self-locking protrusion, lock side and release side are set on one of hole slot madial wall.
Further, resigning portion is equipped on the pedestal, elastic latch fitting is placed in the resigning portion, the upper end of elastic latch fitting
It is matched with the latch wall, elastic latch fitting is more than the size of its horizontal direction in the size for erectting direction, and lower end is to fix
End, upper end are elastic tip.
Further, the elastic latch fitting includes interconnecting piece and at least two elastic foots, the upper end of at least two elastic foots
It is matched with the latch wall, lower end connects to form the fixing end by interconnecting piece, has between two elastic foots and steps down
Gap.
Further, the resigning portion is to erect hole, and the elasticity latch fitting is elongated, is placed in the setting hole.
Further, the elastic latch fitting is straightened hole and circumferentially limits.
Further, further include having bottom plate, the lower part of the pedestal is connect with the bottom plate；The bottom plate blocks the setting
Hole and the lower end for blocking the elastic latch fitting.
The advantages of below to the utility model or principle illustrate：
1, when in use, pedestal is fixed on to the surface of tooth, when being put into arch wire, block piece is pulled open outward, is kept off at this time
Part overcomes the elastic force of elastic latch fitting, and the matching part of the two is made to be shifted along lock side, self-locking protrusion, release side.
Firstly, since the protrusion height of release side is less than the protrusion height of self-locking protrusion, so during opening, bullet
Property latch fitting stress be gradually reduced, reduce abrasion of the elastic latch fitting in opening procedure；After putting arch wire well, then block piece inwardly pushed away
Into, block piece overcomes the elastic force of elastic latch fitting at this time, makes the matching part of the two along release side, self-locking protrusion, lock side transfer, and
It is finally locked in lock side, in carrying out locking process, the stress of elastic latch fitting slowly increases, and reduces elastic latch fitting and was locking
Abrasion in journey；The service life of bracket is improved, the possibility of arch wire abjection is reduced, improves therapeutic effect；
Secondly, when in use, the block piece most of the time is in the lock state, and the protrusion height of lock side is less than self-locking protrusion
Protrusion height, it is possible to reduce stress of the elastic latch fitting under most times reduces its deformation.
Again, size of the elastic latch fitting along glide direction is less than along the size of glide direction due to self-locking protrusion, into
The reduction elasticity latch fitting of one step reduces abrasion and deformation in skidding distance and stress time.
2, the latch wall can be set on block piece and be in hole slot structure, and lock side, self-locking protrusion discharge side edge successively
Block piece glide direction.
3, it is mutation formula transition between the self-locking protrusion and release side, between self-locking protrusion and lock side, alternatively, institute
It is gradual change type transition to state between self-locking protrusion and release side, is mutation formula transition between self-locking protrusion and lock side.
4, the self-locking protrusion, lock side and release side can be set to one of hole slot madial wall, can also be same
When be set on two opposite inner walls.
5, for elastic latch fitting in shape setting is erect, lower end is fixing end, upper end is elastic tip, erects the snap lock of shape setting
There is part larger regime of elastic deformation can provide slow, flexible self-lock force for block piece in block piece moving process, carry
The service life of high bracket.
6, the elastic latch fitting includes interconnecting piece and at least two elastic foots, has resigning gap between two elastic foots,
The resigning gap can provide space for the deformation of elastic foot upper end, avoid interference with.
7, the elastic latch fitting is straightened hole and circumferentially limits, can be to avoid snap lock part rotation offset.
8, further include having bottom plate, bottom plate blocks the setting hole and blocks the lower end of the elastic latch fitting, in this way can be square
Just the loading of elastic latch fitting, and appearance will not be impacted.
Description of the drawings
Fig. 1 is the side view of self-ligating orthodontic bracket described in the utility model embodiment one；
Fig. 2 is the sectional view in lock-out state of self-ligating orthodontic bracket described in the utility model embodiment one；
Fig. 3 is the sectional view in slip state of self-ligating orthodontic bracket described in the utility model embodiment one；
Fig. 4 is the sectional view in opening state of self-ligating orthodontic bracket described in the utility model embodiment one；
Fig. 5 is the structure chart of pedestal described in the utility model embodiment one；
Fig. 6 is the enlarged drawing of block piece described in the utility model embodiment one；
Fig. 7 is the structure chart of elastic latch fitting described in the utility model embodiment one；
Fig. 8 is that block piece described in the utility model embodiment one looks up enlarged drawing with what elastic latch fitting coordinated；
Fig. 9 is the structure chart of bottom plate described in the utility model embodiment one；
Figure 10 is vertical view of the block piece described in the utility model embodiment one with elastic latch fitting when lock-out state coordinates；
Figure 11 is vertical view of the block piece described in the utility model embodiment one with elastic latch fitting when slip state coordinates；
Figure 12 is vertical view of the block piece described in the utility model embodiment one with elastic latch fitting when opening state coordinates；
Figure 13 is the structure chart of block piece described in the utility model embodiment two；
Figure 14 is side view when block piece described in the utility model embodiment three coordinates with elastic latch fitting；
Figure 15 is vertical view when block piece described in the utility model embodiment three coordinates with elastic latch fitting；
Figure 16 is the structure chart of block piece described in the utility model embodiment four；
Figure 17 is the structure chart of elastic latch fitting described in the utility model embodiment four；
Figure 18 is the structure chart of elastic latch fitting described in the utility model embodiment five；
Figure 19 is the structure chart of elastic latch fitting described in the utility model embodiment six；
Reference sign：
10, pedestal, 11, archwire slot, 12, insertion section, 13, resigning portion (erectting hole), 20, block piece, 21, pick up the ears, 22, hole
Slot, 221, latch wall, 2211, self-locking protrusion, 2212, lock side, 2213, release side, 30, elastic latch fitting, 31, elastic foot, 32,
Interconnecting piece, 33, resigning gap, 34, shrapnel end, 40, bottom plate, 41, boss.
Specific implementation mode
The embodiments of the present invention are described in detail below.
Embodiment one
As shown in Figures 1 to 12, self-ligating orthodontic bracket, including pedestal 10, block piece 20 and bottom plate 40, are equipped on pedestal 10
Archwire slot 11, is equipped with insertion section 12 on pedestal 10, the tool of block piece 20 there are two picking up the ears 21, and pass through its pick up the ears 21 with insertion section 12
It is slidably matched, which has blocking position and open position, and when stopping position, block piece 20 blocks the archwire slot 11, is opening
When position, block piece 20 deviates from the archwire slot 11；In 20 upper edge of block piece, its glide direction is equipped with latch wall 221, in latch wall 221
Place is equipped with the elastic latch fitting 30 coordinated with it, and self-locking protrusion 2211, self-locking convex are equipped between latch wall 221 and elastic latch fitting 30
The side in portion 2211 is lock side 2212, and the other side is release side 2213, and the protrusion height of release side 2213 is less than self-locking protrusion
2211 protrusion height.
Wherein, the block piece 20 is equipped with hole slot 22, and the hole slot 22 has two opposite madial walls, two madial walls
It is arranged along the glide direction of block piece 20；The inner wall of the hole slot 22 forms the latch wall 221, the self-locking protrusion 2211, lock
Determine side 2212 and release side 2213 is set on one of the hole slot 22 madial wall.And lock side 2212 is far from the arch wire
11 one end of slot, release side 2213 is close to 11 one end of the archwire slot.For gradually between the self-locking protrusion 2211 and release side 2213
Variant transition is mutation formula transition between self-locking protrusion 2211 and lock side.
Resigning portion 13 (in the present embodiment, the resigning portion 13 is to erect hole), elastic latch fitting are equipped on the pedestal 10
30 are placed in the resigning portion 13, and the elastic latch fitting 30 is straightened hole and circumferentially limits.The upper end of elastic latch fitting 30 and the lock
Determine wall 221 to match, elastic latch fitting 30 erect direction size be more than its horizontal direction size, lower end be fixing end,
Upper end is elastic tip.The elasticity latch fitting 30 includes interconnecting piece 32 and two elastic foots 31, the upper end of two elastic foots 31 and institute
It states latch wall 221 to match, lower end forms the fixing end by the connection of interconnecting piece 32, has between two elastic foots 31 and allows
Interdigit gap 33.
The lower part of the pedestal 10 is connect with the bottom plate 40；The bottom plate 40 blocks the setting hole 13 and blocks the bullet
The lower end of property latch fitting 30.
The present embodiment has the following advantages that：
1, when in use, pedestal 10 is fixed on to the surface of tooth, when being put into arch wire, block piece 20 is pulled open outward, this
When block piece 20 overcome the elastic force of elastic latch fitting 30, the matching part both made is along lock side 2212, self-locking protrusion 2211, release side
2213 transfers.
Firstly, since the protrusion height of release side 2213 is less than the protrusion height of self-locking protrusion 2211, so open
In the process, the stress of elastic latch fitting 30 is gradually reduced, and reduces abrasion of the elastic latch fitting 30 in opening procedure；After putting arch wire well,
Block piece 20 is inwardly promoted again, block piece 20 overcomes the elastic force of elastic latch fitting 30 at this time, makes the matching part of the two along release side
2213, self-locking protrusion 2211, lock side 2212 shift, and are finally locked in lock side 2212, in carrying out locking process, elasticity
The stress of latch fitting 30 slowly increases, and reduces abrasion of the elastic latch fitting 30 in locking process；The service life of bracket is improved, is reduced
The possibility of arch wire abjection, improves therapeutic effect.
Secondly, when in use, 20 most of the time of block piece is in the lock state, and the protrusion height of lock side 2212 is less than certainly
Lock the protrusion height of protrusion 2211, it is possible to reduce stress of the elastic latch fitting 30 under most times reduces its deformation.
Again, ruler of the elastic latch fitting 30 along glide direction is less than along the size of glide direction due to self-locking protrusion 2211
It is very little, it is further to reduce elastic latch fitting 30 in skidding distance and stress time, reduce abrasion and deformation.
2, the latch wall 221 can be set on block piece 20 and be in 22 structure of hole slot, lock side 2212, self-locking protrusion
2211, release side 2213 is successively along 20 glide direction of block piece.
3, it is gradual change type transition, self-locking protrusion 2211 and lock side between the self-locking protrusion 2211 and release side 2213
It is mutation formula transition between 2212, during release snap lock part 30 can slowly discharges, abrasion is reduced, when locking
It, can accurate locking positioning to be mutated formula transition.
4, the self-locking protrusion 2211, lock side 2212 and release side 2213 can be set in one of described hole slot 22
Side wall, it is simple in structure, it is easy to process.
5, for elastic latch fitting 30 in shape setting is erect, lower end is fixing end, upper end is elastic tip, erects the elasticity of shape setting
Latch fitting 30 has larger regime of elastic deformation, in 20 moving process of block piece, can be block piece 20 provide it is slow, flexible from
Power is locked, the service life of bracket is improved.
6, the elastic latch fitting 30 includes interconnecting piece 32 and two elastic foots 31, is had between two elastic foots 31 between stepping down
Gap 33, the resigning gap 33 can provide space for the deformation of 31 upper end of elastic foot, avoid interference with.
7, the elastic latch fitting 30 is straightened the circumferential limit in hole 13, can be to avoid 30 rotation offset of snap lock part.
8, further include having bottom plate 40, bottom plate 40 blocks the setting hole 13 and blocks the lower end of the elastic latch fitting 30, this
Sample can facilitate the loading of elastic latch fitting 30, and will not be impacted to appearance, and bottom plate 40 withstands elasticity equipped with boss 41
The lower part of latch fitting 30.
Embodiment two
As shown in figure 13, in the present embodiment, the self-locking protrusion 2211 and release side 2213 between, self-locking protrusion 2211 with
It is mutation formula transition between lock side 2212.The principle of the present embodiment is identical as embodiment one, and details are not described herein again.
Embodiment three
As shown in Figure 14,15, in the present embodiment, the lower end of elastic latch fitting 30 is directly connect with pedestal 10, elastic foot 31
Only one.The principle of the present embodiment is identical as embodiment one, and details are not described herein again.
Example IV
As shown in Figure 16,17, in the present embodiment, elastic latch fitting 30 is generally cylindrical, circumferentially arranged to have multiple elasticity
Foot 31, when using this structure, the lower end of elastic latch fitting 30 can be without circumferential limit.The principle of the present embodiment and embodiment one
Identical, details are not described herein again.
Embodiment five
As shown in figure 18, in the present embodiment, the inclined face of lateral surface of the elastic foot 31 of elastic latch fitting 30, to facilitate elasticity
The guiding and sliding of foot 31.The principle of the present embodiment is identical as embodiment one, and details are not described herein again.
Embodiment six
As shown in figure 19, in the present embodiment, elastic latch fitting 30 is the laminated structure of curling, whole cylinder, crimps piece
The resigning gap 33 is formed between two opposite shrapnel ends 34.The principle of the present embodiment is identical as embodiment one, herein
It repeats no more.
The above are only specific embodiments of the present invention, does not limit the scope of protection of the utility model with this；Not
Any replacement and improvement made by violating on the basis of the utility model is conceived, belong to the scope of protection of the utility model.
Claims (10)
1. self-ligating orthodontic bracket, which is characterized in that including pedestal and block piece, archwire slot is equipped on pedestal, is equipped on pedestal
Insertion section, block piece are slidably matched with insertion section, which has blocking position and open position, and when stopping position, block piece blocks described
Archwire slot, in open position, block piece deviates from the archwire slot；In block piece upper edge, its glide direction is equipped with latch wall, is locking
It is equipped with the elastic latch fitting coordinated with it at wall, self-locking protrusion is equipped between latch wall and elastic latch fitting；Self-locking protrusion is along sliding
The size in direction is less than size of the elastic latch fitting along glide direction.
2. self-ligating orthodontic bracket as described in claim 1, which is characterized in that the side of self-locking protrusion is lock side, and the other side is
The protrusion height of release side, release side and lock side is less than the protrusion height of self-locking protrusion.
3. self-ligating orthodontic bracket as claimed in claim 2, which is characterized in that be mutation formula between the self-locking protrusion and release side
Transition or gradual change type transition are mutation formula transition between the self-locking protrusion and lock side.
4. self-ligating orthodontic bracket as described in claim 1, which is characterized in that the block piece is equipped with hole slot, the inner wall of the hole slot
The latch wall is formed, and lock side, far from described archwire slot one end, release side is close to described archwire slot one end.
5. self-ligating orthodontic bracket as claimed in claim 4, which is characterized in that the hole slot have two opposite madial walls, two
A madial wall is arranged along the glide direction of block piece；The self-locking protrusion, lock side and release side are set to the hole slot wherein
On one madial wall.
6. self-ligating orthodontic bracket as claimed in claim 4, which is characterized in that be equipped with resigning portion, elastic latch fitting on the pedestal
It is placed in the resigning portion, the upper end of elastic latch fitting is matched with the latch wall, and elastic latch fitting is more than in the size for erectting direction
The size of its horizontal direction, lower end is fixing end, upper end is elastic tip.
7. self-ligating orthodontic bracket as claimed in claim 6, which is characterized in that the elasticity latch fitting includes interconnecting piece and at least two
Elastic foot, the upper end of at least two elastic foots are matched with the latch wall, lower end connected by interconnecting piece to be formed it is described solid
Fixed end has resigning gap between two elastic foots.
8. self-ligating orthodontic bracket as claimed in claim 6, which is characterized in that the resigning portion is to erect hole, the elasticity latch fitting
It is elongated, is placed in the setting hole.
9. self-ligating orthodontic bracket as claimed in claim 8, which is characterized in that the elasticity latch fitting is straightened hole and circumferentially limits.
10. self-ligating orthodontic bracket as claimed in claim 8, which is characterized in that further include having bottom plate, the lower part of the pedestal and institute
State bottom plate connection；The bottom plate blocks the setting hole and blocks the lower end of the elastic latch fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477734.8U CN208017607U (en) | 2017-04-28 | 2017-04-28 | Self-ligating orthodontic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477734.8U CN208017607U (en) | 2017-04-28 | 2017-04-28 | Self-ligating orthodontic bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208017607U true CN208017607U (en) | 2018-10-30 |
Family
ID=63896722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477734.8U Active CN208017607U (en) | 2017-04-28 | 2017-04-28 | Self-ligating orthodontic bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208017607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021175324A1 (en) | 2020-03-06 | 2021-09-10 | 广州欧欧医疗科技有限责任公司 | Orthodontic implement |
-
2017
- 2017-04-28 CN CN201720477734.8U patent/CN208017607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021175324A1 (en) | 2020-03-06 | 2021-09-10 | 广州欧欧医疗科技有限责任公司 | Orthodontic implement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200227 Address after: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Kefeng Road No.31 Self-compiled a South China New Material Innovation Park G2 Building 316 Patentee after: GUANGZHOU OO MEDICAL SCIENTIFIC Ltd. Address before: 510000 Guangdong Guangzhou High-tech Industrial Development Zone Kefeng Road No.31 Self-compiled a South China New Material Innovation Park G2 Building 316 Co-patentee before: GUANGZHOU OO MEDICAL SCIENTIFIC Ltd. Patentee before: Ji Li |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Shape memory self-ligating orthodontic brackets Effective date of registration: 20200618 Granted publication date: 20181030 Pledgee: Bank of China Limited Dongshan Branch of Guangzhou Pledgor: GUANGZHOU OO MEDICAL SCIENTIFIC Ltd. Registration number: Y2020440000114 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221209 Granted publication date: 20181030 Pledgee: Bank of China Limited Dongshan Branch of Guangzhou Pledgor: GUANGZHOU OO MEDICAL SCIENTIFIC Ltd. Registration number: Y2020440000114 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |