CN209048326U - A kind of arc expansion bow device - Google Patents
A kind of arc expansion bow device Download PDFInfo
- Publication number
- CN209048326U CN209048326U CN201821081937.6U CN201821081937U CN209048326U CN 209048326 U CN209048326 U CN 209048326U CN 201821081937 U CN201821081937 U CN 201821081937U CN 209048326 U CN209048326 U CN 209048326U
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- CN
- China
- Prior art keywords
- reverse
- arc
- base
- guide rail
- bow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- A61C7/10—Devices having means to apply outwardly directed force, e.g. expanders
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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
The utility model discloses a kind of arcs to expand bow device, including the symmetrical first structure of tiled configuration and the second structure, wherein first structure: including base, expand bow arm, arc-shaped guide rail, link block, expand bow arm and arc-shaped guide rail is slidably connected, base and expansion bow arm are affixed, and arc-shaped guide rail is connect with the second structure by link block；It further include reverse-flighted screw, slide bar, base is equipped with internal thread hole, first, second structure is cooperatively connected by internal thread hole and reverse-flighted screw, sliding rail is additionally provided on base, first, second structure is flexibly connected by sliding rail with slide bar, and the reverse component for twisting reverse-flighted screw is equipped in the middle part of the reverse-flighted screw.When in use, by rotating reverse-flighted screw, the base of left and right two is mobile to two sides respectively by reverse-flighted screw, increases and expands the distance between bow arm, and the distance between arc-shaped guide rail does not increase, and expands under the guidance of arc-shaped guide rail in camber line so that expanding bow arm.The utility model is for expanding dental arch of maxilla width.
Description
Technical field
The utility model relates to type medical instrument for dental use field, in particular to a kind of arc expands bow device.
Background technique
Expand bow device also known as dental arch expands spiral organ, traditional expansion bow device is usually by fixing clasp, and hyperbolic lip bends base group
At.Rescuing principle is that expansion screw is placed on suitable position, opens big expansion bow device by rotating threaded hole, and Orthodontic force is led to
It crosses base and passes to tooth and alveolar bone, to expand the width and length of dental arch of maxilla.Its indication are as follows: dental arch of maxilla bilateral or unilateral side
Constriction；Premanillary teeth introversion；Because grind one's teeth in sleep move forward caused by arch length shorten.Discovery is expanded bow device and is being expanded during practical application
After opening, due to jawbone to expand bow device reaction force as a result, leading to screw rod often can turn round, it is undesirable to make to expand bow effect, has
When even convolution it is larger, play negative effect instead, adjust again, without benchmark, be unable to judge accurately this and want
Expand the degree and distance of bow；Meanwhile expansion action is completed in order to enable to expand bow device, expanding between at the top of bow device and the bowed upper jaw needs
Will there are larger gaps, bring inconvenience to a certain extent to user.
Utility model content
Technical problem to be solved by the utility model is: preventing expansion bow device rebound, make to expand bow device close to upper jaw top.
The solution that the utility model solves its technical problem is: a kind of arc is provided and expands bow device, including between left and right every
The first structure of setting and the second structure, first structure and the second structure tiled configuration are symmetrical；
First structure:
Expansion bow arm including base, on the left of base, is set to arc-shaped guide rail side at the arc-shaped guide rail on expansion bow arm
Link block, expand bow arm and arc-shaped guide rail be slidably connected, enable expansion bow arm arcuately guide rail movement in a curve, base and expand
Bow arm is affixed, and arc-shaped guide rail is connect with the second structure by link block；
Further include being set between first structure and the second structure: reverse-flighted screw, slide bar, the base are equipped with internal screw thread
Hole, first structure and the second structure are cooperatively connected by the internal thread hole on base with reverse-flighted screw, are additionally provided with sliding rail on base,
First structure and the second structure are flexibly connected by the sliding rail on base with slide bar, are equipped in the middle part of the reverse-flighted screw for twisting
The reverse component of reverse-flighted screw, reverse-flighted screw are affixed with reverse component.
As a further improvement of the above technical scheme, the link block is set to above the base, and the expansion bow arm is
Curved circular cylindrical component, the arc-shaped guide rail are that curved tubular element, arc-shaped guide rail cover in the outside for expanding bow arm upwards.
As a further improvement of the above technical scheme, the first structure includes that arm is bent at least two expansions.
As a further improvement of the above technical scheme, the sliding rail is tubular element closed at one end, is respectively arranged on the
One, two sliding rail housings in the second structure are at the both ends of slide bar；One slide bar, two sliding rails form a guide frame, institute
State guide frame at least there are two, be respectively arranged on the front and back of reverse-flighted screw then.
As a further improvement of the above technical scheme, the reverse component is the cylindrical element that there is through hole in side,
Reverse component is coaxial with the reverse-flighted screw.
As a further improvement of the above technical scheme, the base on the link block and the second structure in the first structure
Connection.
As a further improvement of the above technical scheme, the connection on the link block and the second structure in the first structure
Block connection.
The beneficial effects of the utility model are: the utility model has expansion bow arm by the way that camber is arranged bow arm is expanded
Certain elasticity, after expanding bow device expansion, maxilla can be fought to the reaction force for expanding bow device by expanding bow arm, and expansion bow effect is more stable；
Meanwhile having certain frictional force between arc-shaped guide rail and expansion bow arm, jawbone is difficult to be transmitted to screw rod to the reaction force for expanding bow device
On, screw rod will not turn round, and improve and expand bow efficiency.And the guide rail for manufacturing camber is able to guide expansion bow arm and expands in camber line, makes to expand and bend
Device is more suitable maxilla palatine arch, and patient wears more comfortable.The utility model is for expanding dental arch of maxilla width.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the schematic elevation view of embodiment 1.
Fig. 2 is the schematic top plan view of embodiment 1.
Fig. 3 is the schematic elevation view of embodiment 2.
Fig. 4 is the schematic top plan view of embodiment 2.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the invention is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Embodiment 1: referring to Figures 1 and 2, specifically:
A kind of arc expansion bow device, including the spaced first structure in left and right and the second structure, first structure and the second knot
Structure tiled configuration is symmetrical；
First structure:
It is led including base 8, set on the expansion bow arm 1 in 8 left side of base, set on the arc-shaped guide rail 2 expanded on bow arm 1, set on arc
The link block 3 of 2 side of rail, expands bow arm 1 and arc-shaped guide rail 2 is slidably connected, and enables and expands bow arm 1 arcuately 2 camber line of guide rail
Movement, base 8 and expansion bow arm 1 are affixed, and arc-shaped guide rail 2 is connect with the second structure by link block 3；
Further include being set between first structure and the second structure: reverse-flighted screw 4, slide bar 7, the base 8 are equipped with interior
Threaded hole, first structure and the second structure are cooperatively connected by the internal thread hole on base 8 with reverse-flighted screw 4, are also set on base 8
There are sliding rail 5, first structure and the second structure to be flexibly connected by the sliding rail 5 on base 8 with slide bar 7,4 middle part of reverse-flighted screw
Equipped with the reverse component 6 for twisting reverse-flighted screw 4, reverse-flighted screw 4 and reverse component 6 are affixed.When in use, it is turned round by rotation
Turn component 6 so that two bases 8 in left and right are mobile to two sides respectively by reverse-flighted screw 4, increase 2 expand between bow arms 1 away from
From, and the distance between arc-shaped guide rail 2 not will increase, and expand under the guidance of arc-shaped guide rail 2 in camber line so that expanding bow arm 1.It is logical
It crosses bow arm setting camber is expanded, makes expansion bow arm that there is certain elasticity, after expanding bow device expansion, maxilla pair can be fought by expanding bow arm
Expand the reaction force of bow device, it is more stable to expand bow effect；Meanwhile there are certain frictional force, jawbone between arc-shaped guide rail and expansion bow arm
The reaction force for expanding bow device is difficult to be transmitted on screw rod, screw rod will not turn round, and improve and expand bow efficiency.And manufacture leading for camber
Rail is able to guide expansion bow arm and expands in camber line, makes to expand bow device and is more suitable maxilla palatine arch, and patient's wearing is more comfortable.
It is further used as preferred embodiment, the link block 3 is set to 8 top of base, and the expansion bow arm 1 is arc
Shape cylindrical element, the arc-shaped guide rail 2 are curved tubular element upwards, and 2 sets of arc-shaped guide rail in the outside for expanding bow arm 1.
Link block is set to the top of base, and curved tubular guide rail can manufacture into the shape of a variety of curves upwards, enables to expand bow device
At the top of close to the upper jaw and it is suitble to dental arch of various shapes.
It is further used as preferred embodiment, the first structure includes that arm 1 is bent at least two expansions.Increase and expands bow
The quantity of arm 1 can increase the junction expanded between bow device and dental arch, is conducive to improve and expands the stabilization of bow device in use
Property, also adapt to the dental arch of various shapes.
It is further used as preferred embodiment, the sliding rail 5 is tubular element closed at one end, be respectively arranged on first,
Two 5 housings of sliding rail in second structure are at the both ends of slide bar 7；One slide bar, 7, two sliding rails 5 form a guide frame, institute
State guide frame at least there are two, be respectively arranged on the front and back of reverse-flighted screw 4 then.Multiple slide bars 7 can make the extensional motion of base 8 more
Stablize, and sliding rail 5 is closed at one end, so that the movement of slide bar 7 is limited between two bases 8, does not fall out.
It is further used as preferred embodiment, the reverse component 6 is the cylindrical element that there is through hole in side, torsion
Component 6 is coaxial with the reverse-flighted screw 4.It is mounted in oral cavity due to expanding bow device, reverse-flighted screw 4 is not easy to rotate, and is equipped with through hole
Reverse component 6 can allow doctor using small pole rotate reverse-flighted screw 4.
It is further used as preferred embodiment, the base 8 on link block 3 and the second structure in the first structure is solid
It connects.In use, rotation reverse component 6, base 8 are expanded, the distance between 2 expansion bow arms 1 increase, and between arc-shaped guide rail 2
Distance reduces, so that degree of the expansion bow arm 1 under the guidance of arc-shaped guide rail 2 in camber line expansion is bigger, need to only rotate reverse component 6
Less circle number can reach identical expansion bow effect.
Embodiment 2: referring to Fig. 3 and Fig. 4, specifically:
On the basis of embodiment 1, the link block 3 in the first structure is separated with the base 8 in the second structure, and with
Link block 3 in second structure is affixed.It is rigidly connected between two arc-shaped guide rails 6 in first, second structure, in use, turning
Dynamic reverse component 6, base 8 are expanded, and the distance between 2 expansion bow arms 1 increase, and the distance between arc-shaped guide rail 2 immobilizes, energy
Keep the structure for entirely expanding bow device more stable, meanwhile, rigidly connected two arc-shaped guide rails 6 can offset part maxilla and bend device to expansion
Reaction force, prevent reverse-flighted screw 4 turn round.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of arc expands bow device, it is characterised in that: including the spaced first structure in left and right and the second structure, first structure
It is symmetrical with the second structure tiled configuration；
First structure:
Including base (8), the expansion being set on the left of base (8) bow arm (1), the arc-shaped guide rail (2) being set on expansion bow arm (1), it is set to
The link block (3) of arc-shaped guide rail (2) side, expands bow arm (1) and arc-shaped guide rail (2) are slidably connected, so that expanding bow arm (1) energy
Arcuately guide rail (2) movement in a curve, base (8) and expansion bow arm (1) are affixed, and arc-shaped guide rail (2) and the second structure pass through link block
(3) it connects；
Further include being set between first structure and the second structure: reverse-flighted screw (4), slide bar (7), the base (8) are equipped with
Internal thread hole, first structure and the second structure are cooperatively connected by the internal thread hole on base (8) with reverse-flighted screw (4), base
(8) it being additionally provided on sliding rail (5), first structure and the second structure are flexibly connected by the sliding rail (5) on base (8) with slide bar (7),
The reverse component (6) for twisting reverse-flighted screw (4), reverse-flighted screw (4) and reverse component are equipped in the middle part of the reverse-flighted screw (4)
(6) affixed.
2. a kind of arc according to claim 1 expands bow device, it is characterised in that: the link block (3) is set to the base
(8) top, expansion bow arm (1) are curved circular cylindrical component, and the arc-shaped guide rail (2) is curved tubular element upwards,
Arc-shaped guide rail (2) covers in the outside for expanding bow arm (1).
3. a kind of arc according to claim 1 expands bow device, it is characterised in that: the first structure includes at least two institutes
State expansion bow arm (1).
4. a kind of arc according to claim 1 expands bow device, it is characterised in that: the sliding rail (5) is pipe closed at one end
Shape component is respectively arranged on two sliding rail (5) housings in the first, second structure at the both ends of slide bar (7)；One slide bar (7), two
A sliding rail (5) forms a guide frame, the guide frame at least there are two, be respectively arranged on the front and back of reverse-flighted screw (4) then.
5. a kind of arc according to claim 1 expands bow device, it is characterised in that: the reverse component (6) is that side is passed through
The cylindrical element of perforation, reverse component (6) are coaxial with the reverse-flighted screw (4).
6. a kind of arc according to claim 1 expands bow device, it is characterised in that: the link block (3) in the first structure
It is connect with the base (8) in the second structure.
7. a kind of arc according to claim 1 expands bow device, it is characterised in that: the link block (3) in the first structure
It is connect with the link block (3) in the second structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081937.6U CN209048326U (en) | 2018-07-09 | 2018-07-09 | A kind of arc expansion bow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081937.6U CN209048326U (en) | 2018-07-09 | 2018-07-09 | A kind of arc expansion bow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209048326U true CN209048326U (en) | 2019-07-02 |
Family
ID=67046604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821081937.6U Expired - Fee Related CN209048326U (en) | 2018-07-09 | 2018-07-09 | A kind of arc expansion bow device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209048326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855281A (en) * | 2021-09-06 | 2021-12-31 | 武汉大学 | Expansion bow external member convenient to adjust and use method thereof |
-
2018
- 2018-07-09 CN CN201821081937.6U patent/CN209048326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855281A (en) * | 2021-09-06 | 2021-12-31 | 武汉大学 | Expansion bow external member convenient to adjust and use method thereof |
| CN113855281B (en) * | 2021-09-06 | 2022-06-07 | 武汉大学 | Expansion bow external member convenient to adjust and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20210709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |