CN105269482B - The fixture of bone screw tooth form is measured using projecting apparatus - Google Patents
The fixture of bone screw tooth form is measured using projecting apparatus Download PDFInfo
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- CN105269482B CN105269482B CN201410846674.3A CN201410846674A CN105269482B CN 105269482 B CN105269482 B CN 105269482B CN 201410846674 A CN201410846674 A CN 201410846674A CN 105269482 B CN105269482 B CN 105269482B
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Abstract
A kind of measured material of bone screw tooth form, including base plate fixing holder, chassis rotating disk, angle block gauge and screw fixed structure, wherein, screw fixed structure includes column, nail tip fixed column, head of a nail fixed column, angle block gauge is curl prismatoid structure, connect on base plate fixing holder and with chassis rotating disk, the simple operation of the present invention, the part tooth form that bone screw is blocked by lead angle can easily be avoided by rotational structure and angle block gauge, can effectively it be measured during being made, ensure the qualified of workpiece product, the present invention's is simple in construction simultaneously, it is with low cost, can be with manual hand manipulation or mechanically actuated, used suitable for large-scale production.
Description
Technical field
It is specifically a kind of to be connect using projecting apparatus measurement the present invention relates to the technical field that medicine equipment produces assistive device
The fixture of bone screws tooth form.
Background technology
Bone screw is the important assistive device in surgical operation, is had sternly for bone screw size, shape etc. in operation
Lattice requirement, the underproof bone screw of tooth form can improve operating difficulty, and influence surgical effect even results in operative failure, therefore,
Bone screw needs accurately to be measured after completing.
Current production and processing process, because bone screw is smaller, generally requires and carries out subsidiary by projecting apparatus, by
In there is lead angle on bone screw, therefore need in measurement process to rotate bone screw, it is right in conventional art
It still can not effectively be controlled in this process, and thus cause measurement result to produce error.
Screw is used in many fields in itself, and we are retrieved to non medical instruments production field, is searched
To following technology：
Chinese patent, the wire clamp (application number of three-dimensional morphology trace matching measurement instrument：201220240037.8) provide
A kind of wire clamp, including chassis, bearing and swing arm, a tie down screw with locking nut through coupling after bearing and swing arm
Coordinate, be respectively equipped with a pull bar and its spring of cooperation in swing arm two ends swing arm seat, the outside one end of pull bar is connected with adjustment hand
Wheel, inside one end connection workpiece apical ring；This technical scheme provide it is a kind of it is rotatable, can fixing screws shape equipment fixture side
Case, but still anglec of rotation control problem can not be solved.
Chinese patent, the fixture (application number for air plug gauge：200710171553.3) provide a kind of air plug gauge
Fixture, wherein can be used for screw by vee-block, tail spindle, snap ring, the clamping structure that only head screw etc. is constituted；This technical side
Case provides a kind of fixed structure, but is not related to rotation, can not solve anglec of rotation control problem.
Chinese patent, screw-driving, center height survey machine (application number：201410467842.8) there is provided a kind of screw
Device for screwing up, including servomotor, decelerator, dynamic torque sensor and screw sleeve, servomotor output end and decelerator
Input is connected, and the output shaft of decelerator is connected with replaceable screw sleeve by shaft coupling, dynamic torque sensor and
Shaft coupling is connected；The side of screw-driving apparatus is vertically additionally provided with multiple position sensors；This technical scheme
Advantage is, using mechanical automation control, to reduce because of the error that artificial operation is produced, but cost is higher, and screw handling speed
Degree is slower, it is impossible to meet large-scale production and application.
The content of the invention
The purpose of the present invention is dedicated for using throwing for traditional handicraft and deficiency of the prior art there is provided one kind
Shadow instrument measures the fixture of bone screw tooth form.
The technical solution used in the present invention is:
A kind of use projecting apparatus measures the fixture of bone screw tooth form, including base plate fixing holder, chassis rotating disk, angle block gauge
With screw fixed structure, wherein, chassis rotating disk is connected with base plate fixing holder by the pin that is rotatably connected, and chassis rotating disk can
Rotated centered on the pin that is rotatably connected, base plate fixing holder and chassis rotating disk are cuboid, screw fixed structure include column,
Nail tip fixed column, head of a nail fixed column, column have two, are individually fixed in the two ends of chassis rotating disk length direction, and nail tip is fixed
Post, head of a nail fixed column respectively have one, respectively in two root posts and position is corresponding, and nail tip fixed column includes bolt, nut
And thrust spring, bolt is through column, and bolt head is fluted, and points to head of a nail fixed column direction, and bolt tail is in the another of column
Side is emerged, and is connected with nut, and thrust spring is wrapped on the stud between bolt head and column, and head of a nail fixed column includes post
Shape body and locking nail, column pass through column, are cone towards one end of nail tip fixed column, locking nail is bolt arrangement, spiral shell
Bolt head is outside column, and stud is connected by the screw on column and head of a nail fixed column, and angle block gauge is curl prismatoid structure, is located at
Connect on base plate fixing holder and with chassis rotating disk；There are two bulge-structures, bulge-structure Cheng Zhi on base plate fixing holder upper surface
Angle body, the one side at right angle is coincided with the short side of base plate fixing holder upper surface and length is identical, on another side and base plate fixing holder
The long side on surface coincides, and length is less than the half on long side；Angle block gauge has multiple, and angle corresponding to its curl is respectively and not
It is identical with the lead angle of the bone screw of tooth form.
Column and chassis rotating disk upper surface are perpendicular.
The bolt tail center of nail tip fixed column, bolt head center, 3 points of the cone tips of head of a nail fixed column are located at same
On bar straight line, the stud of nail tip fixed column, the column of nut fixed column are and chassis rotating disk upper surface is parallel.
The groove of nail tip fixed column bolt head has a variety of, and the bone screw tip of different model is corresponded to respectively.
The present invention has the advantages and positive effects of:
The simple operation of the fixture of the use projecting apparatus measurement bone screw tooth form of the present invention, passes through rotational structure and angle
Block can easily avoid the part tooth form that bone screw is blocked by lead angle, can effectively be surveyed during being made
Amount, it is ensured that workpiece product it is qualified, while the present invention it is simple in construction, with low cost, can with manual hand manipulation or machinery grasp
Make, it is adaptable to used in large-scale production.
Brief description of the drawings
Fig. 1 is the stereogram of the fixture of the use projecting apparatus measurement bone screw tooth form of the present invention.
Fig. 2 be the present invention use projecting apparatus measurement bone screw tooth form fixture in angle block gauge schematic diagram.
Fig. 3 is the working condition stereogram of the fixture of the use projecting apparatus measurement bone screw tooth form of the present invention.
Embodiment
Technical scheme is specifically described with accompanying drawing with reference to embodiments.
As illustrated, a kind of use projecting apparatus measures the fixture of bone screw tooth form, including base plate fixing holder 1, chassis rotation
Rotating disk 2, angle block gauge 3 and screw fixed structure, wherein, chassis rotating disk is connected with base plate fixing holder by the pin 4 that is rotatably connected,
Chassis rotating disk can be rotated centered on the pin that is rotatably connected, and base plate fixing holder and chassis rotating disk are cuboid, and screw is solid
Determining structure includes column 5, nail tip fixed column 6, head of a nail fixed column 7, and column has two, is individually fixed in chassis rotating disk length side
To two ends, nail tip fixed column, head of a nail fixed column respectively have one, and respectively in two root posts and position is corresponding, nail tip is solid
Fixed column includes bolt, nut and thrust spring 8, and bolt passes through column, and bolt head is fluted, and points to head of a nail fixed column direction,
Bolt tail is emerged in the opposite side of column, and is connected with nut, and thrust spring is wrapped in the stud between bolt head and column
On, head of a nail fixed column includes column and locking nail 9, and column passes through column, is cone towards one end of nail tip fixed column,
Locking nail is bolt arrangement, and bolt head is outside column, and stud is connected by the screw on column and head of a nail fixed column, and angle block gauge is
Curl prismatoid structure, connects, chosen angle block curl angle is connect with surveying on base plate fixing holder and with chassis rotating disk
Bone screw lift angle is identical.
There are two bulge-structures 10, bulge-structure body at a right angle, the one side and chassis at right angle on base plate fixing holder upper surface
The short side of fixed seat upper surface coincides and length is identical, and the long side of another side and base plate fixing holder upper surface coincides, and long
Half of the degree less than long side.
Column and chassis rotating disk upper surface are perpendicular.
The bolt tail center of nail tip fixed column, bolt head center, 3 points of the cone tips of head of a nail fixed column are located at same
On bar straight line, the stud of nail tip fixed column, the column of nut fixed column are and chassis rotating disk upper surface is parallel.
The groove of nail tip fixed column bolt head has a variety of, and the bone screw tip of different model is corresponded to respectively.
Bone screw 11 is fixed on fixture by nail tip fixed column and head of a nail fixed column.
During work, fixture is placed on projecting apparatus horizontal table and ajusted, bone screw is vertical with projector light source holding,
Measurement, then slight swivel base rotating disk, make that angle can be put down between chassis rotating disk and the bulge-structure of base plate fixing holder just
Spend block, measurement.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed as above with preferred embodiment, however, the present invention is not limited to, it is any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, can make a little change or modification using the technology contents disclosed certainly, into
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent variations and the modification made to above example, are belonged in the range of technical solution of the present invention.
Claims (4)
1. a kind of use projecting apparatus measures the fixture of bone screw tooth form, including base plate fixing holder, chassis rotating disk, angle block gauge and
Screw fixed structure, it is characterised in that chassis rotating disk is connected with base plate fixing holder by the pin that is rotatably connected, chassis rotating disk
It can be rotated centered on the pin that is rotatably connected, base plate fixing holder and chassis rotating disk are cuboid, and screw fixed structure includes
Column, nail tip fixed column, head of a nail fixed column, column have two, are individually fixed in the two ends of chassis rotating disk length direction, nail tip
Fixed column, head of a nail fixed column respectively have one, respectively in two root posts and position is corresponding, nail tip fixed column include bolt,
Nut and thrust spring, bolt pass through column, and bolt head is fluted, and points to head of a nail fixed column direction, and bolt tail is in column
Opposite side is emerged, and is connected with nut, and thrust spring is wrapped on the stud between bolt head and column, head of a nail fixed column bag
Column and locking nail are included, column passes through column, be cone towards one end of nail tip fixed column, locking nail is bolt knot
Structure, bolt head is outside column, and stud is connected by the screw on column and head of a nail fixed column, and angle block gauge is curl prismatoid knot
Structure, connects on base plate fixing holder and with chassis rotating disk；There are two bulge-structures, projection knot on base plate fixing holder upper surface
Form right angle body, the one side at right angle is coincided with the short side of base plate fixing holder upper surface and length is identical, and another side and chassis are solid
The long side of reservation upper surface coincides, and length is less than the half on long side；Angle block gauge has multiple, and angle corresponding to its curl point
Not it is identical with the lead angle of the bone screw of different tooth forms.
2. use projecting apparatus according to claim 1 measures the fixture of bone screw tooth form, it is characterised in that：Column and bottom
The disk upper surface that spirals is perpendicular.
3. use projecting apparatus according to claim 2 measures the fixture of bone screw tooth form, it is characterised in that：Nail tip is fixed
The bolt tail center of post, bolt head center, 3 points of the cone tips of head of a nail fixed column are located on the same line, and nail tip is fixed
The stud of post, the column of nut fixed column are and chassis rotating disk upper surface is parallel.
4. the use projecting apparatus according to claim 1 or 3 measures the fixture of bone screw tooth form, it is characterised in that：Nail tip
The groove of fixed column bolt head has a variety of, and the bone screw tip of different model is corresponded to respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846674.3A CN105269482B (en) | 2014-12-31 | 2014-12-31 | The fixture of bone screw tooth form is measured using projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846674.3A CN105269482B (en) | 2014-12-31 | 2014-12-31 | The fixture of bone screw tooth form is measured using projecting apparatus |
Publications (2)
| Publication Number | Publication Date |
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| CN105269482A CN105269482A (en) | 2016-01-27 |
| CN105269482B true CN105269482B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410846674.3A Active CN105269482B (en) | 2014-12-31 | 2014-12-31 | The fixture of bone screw tooth form is measured using projecting apparatus |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105666437A (en) * | 2016-02-26 | 2016-06-15 | 苏州奥特科机械有限公司 | Circuit board rotary fixing clamp |
| CN107449362A (en) * | 2017-08-30 | 2017-12-08 | 江西昌河航空工业有限公司 | A kind of adjusting means for being used to measure thread parameter on optical measuring instrument |
| CN109540000A (en) * | 2018-12-14 | 2019-03-29 | 厦门英昊达精密设备有限公司 | The method that inherent characteristic based on medical implantable bone nail searches automatically and measures its outer dimension |
| CN112917408B (en) * | 2021-01-18 | 2022-09-09 | 东北电力大学 | Projection arrangement that visual transmission design was used |
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| CN202188834U (en) * | 2011-07-19 | 2012-04-11 | 上海寸银实业有限公司 | Screw thread tooth angle measuring auxiliary device |
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| KR20140003011A (en) * | 2012-06-28 | 2014-01-09 | 현대제철 주식회사 | Parts fixing device for 3d scanner |
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| US8035094B2 (en) * | 2002-06-17 | 2011-10-11 | Quest Metrology, LLC | Methods for measuring at least one physical characteristic of a component |
| US20060060092A1 (en) * | 2004-09-17 | 2006-03-23 | Chun-Nan Wu | Screw press head detector |
| JP5435994B2 (en) * | 2009-03-18 | 2014-03-05 | 本田技研工業株式会社 | Non-contact shape measuring device |
| CN202985395U (en) * | 2012-08-27 | 2013-06-12 | 浙江工业职业技术学院 | Rotation type double-direction clamping workbench |
| CN103604379A (en) * | 2013-10-29 | 2014-02-26 | 中国船舶重工集团公司第七二五研究所 | Fixing device for round-bar stretching sample with gap and measurement method for diameter at gap |
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| CN104236682B (en) * | 2014-09-30 | 2017-12-22 | 四川泛华航空仪表电器有限公司 | Versatility flowmeter vibration test fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202188834U (en) * | 2011-07-19 | 2012-04-11 | 上海寸银实业有限公司 | Screw thread tooth angle measuring auxiliary device |
| KR20140003011A (en) * | 2012-06-28 | 2014-01-09 | 현대제철 주식회사 | Parts fixing device for 3d scanner |
| CN202710179U (en) * | 2012-06-29 | 2013-01-30 | 惠州市德赛西威汽车电子有限公司 | Light testing clamp |
| CN202853595U (en) * | 2012-10-30 | 2013-04-03 | 安徽国盾三维高科技有限公司 | Bullet clamp of three dimensional morphology trace comparison measuring device |
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| CN105269482A (en) | 2016-01-27 |
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