CN203195791U - Device for testing mechanical property of oral orthodontic periodontal membrane - Google Patents

Device for testing mechanical property of oral orthodontic periodontal membrane Download PDF

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Publication number
CN203195791U
CN203195791U CN 201320199493 CN201320199493U CN203195791U CN 203195791 U CN203195791 U CN 203195791U CN 201320199493 CN201320199493 CN 201320199493 CN 201320199493 U CN201320199493 U CN 201320199493U CN 203195791 U CN203195791 U CN 203195791U
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CN
China
Prior art keywords
plate
clamping
module
anchor clamps
measurement module
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Withdrawn - After Issue
Application number
CN 201320199493
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Chinese (zh)
Inventor
汤文成
黄辉祥
吴斌
严斌
张帆
吴文娟
徐楠楠
龚俊
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Southeast University
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Southeast University
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Priority to CN 201320199493 priority Critical patent/CN203195791U/en
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Publication of CN203195791U publication Critical patent/CN203195791U/en
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Abstract

The utility model discloses a device for testing mechanical property of an oral orthodontic periodontal membrane. The device comprises a bottom plate, and a support and a clamping module which are arranged on the bottom plate, and a measurement module arranged at the upper end of the support, wherein a longitudinal guide rail and a transverse guide rail perpendicular to the longitudinal guide rail are arranged on the bottom plate; the support and the measurement module are respectively connected with the longitudinal guide rail in a sliding mode; the clamping module is connected with the transverse guide rail in a sliding mode. The clamping module of the testing experiment table can adjust the position in a sliding mode, uniaxial tension/compression and shear test for the periodontal membrane sample can be performed by adjusting the type and relative positions of clamps in the clamping module and the measurement module, and the test for the mechanical property of the periodontal membrane under orthodontics conditions can be performed. The device is relatively high in testing precision, the precision requirement of the test can be met, few components are required, and the device is simple in structure, low in processing cost and easy to operate.

Description

A kind of mouth cavity orthodontic periodontal membrane Mechanics Performance Testing device
Technical field
This utility model belongs to the just abnormal middle mechanical test technical field of Buccodental, is specifically related to the external integration test laboratory table of orthodontic tooth during orthodontic tooth movement film dynamic performance.
Background technology
Mouth cavity orthodontic refers to orthodontic force is directly or indirectly acted on tooth and the supporting tissue thereof, thereby cause a series of biochemical reaction of organizing, reach the purpose of Tooth Movement, in this course, orthodontic force is the external motivation of Tooth Movement, and the periodontal membrane biomechanical response is the determiner that causes Tooth Movement and Rate of tooth movement.Biomechanical properties of periodontal membrane is that the correct understanding orthodontic tooth moves, the key of tissue response and the plan of formulation orthodontic treatment.Current research to periodontal tissue's biomechanical property mainly is the method that numerical simulation and test experiments combine, the numerical simulation just abnormal periodontal film biomechanical response that can calculate to a nicety accurately, yet good simulation and forecast need to be set up accurately biomechanical model, and the foundation of model be unable to do without support and the checking of the test data of experiment of periodontal membrane biomechanics material behavior.Because complexity and the smallness of periodontal membrane structure, traditional large part metal material testing experiment machine does not prove effective for the periodontal membrane than minor structure, so that pericemental Mechanics Performance Testing experiment is less, and test event is more single, the test set complex structure.Lacking of periodontal membrane mechanical property experimental data, is to the research generation adverse influence of periodontal membrane mechanical model.Therefore, the experiment test of carrying out periodontal membrane mechanical property entry is very necessary, and the exploitation of relevant experiment test device is indispensable.
This utility model is the external integration test laboratory table of orthodontic periodontal membrane mechanical property, and test event is more, comprises uniaxial tension, uniaxial compression, shearing and Tooth Movement simulation test.
The utility model content
Technical problem:This utility model provides a kind of simple in structure, mouth cavity orthodontic periodontal membrane Mechanics Performance Testing device that can carry out multinomial test.
Technical scheme:Mouth cavity orthodontic periodontal membrane Mechanics Performance Testing device of the present utility model, comprise base plate, be arranged on bearing and clamping module on the base plate, be arranged on the measurement module of bearing upper end, be provided with longitudinal rail and the cross slide way vertical with longitudinal rail on the base plate, bearing and measurement module are slidingly connected with longitudinal rail respectively, and clamping module and cross slide way are slidingly connected;
Measurement module comprises micrometer, gripping sleeve, plate pin, connecting axle, force transducer, female thread anchor clamps and the first clamping plate that connect successively setting, the fixed screw cylinder of micrometer passes the installing hole of bearing upper end, the first clamping plate are positioned at a side of closing on the clamping module, the downside of connecting axle is connected with support, support and longitudinal rail are slidingly connected, and the first clamping plate upside is provided with along the first screw of measurement module axially-aligned and the second screw;
The vertical slide block that the clamping module comprises transverse slider, is arranged at the vertical guide of a horizontal side of transverse slider, be slidingly connected with vertical guide, be arranged at the transverse slider upper side to the second clamping plate of the first clamping plate one side, be arranged at the external screw thread anchor clamps of the second clamping plate end, vertical slide block upside is provided with front plate, and vertical slide block and front plate are connected and installed by front external screw thread anchor clamps.
Beneficial effect:Compared with prior art, the utlity model has following advantage:
Because the clamping module of test experimental bed of the present utility model can the slidable adjustment position, by adjusting anchor clamps type and the relative position in clamping module and the measurement module, can carry out the uniaxial tension of periodontal membrane sample/compression and shearing test, but also the test that can simulate the periodontal membrane mechanical property under the orthodontics condition, so this laboratory table test event is more.And existing test set often only can carry out the periodontal membrane Mechanics Performance Testing of unitem; The major part of this laboratory table is measurement module and clamping module, and the main body testing element force transducer in the test module is connected with micrometer conversion sleeve coaxial line, axially relatively static, its measuring accuracy depends primarily on force transducer and micrometer, therefore measuring accuracy is relatively high, can satisfy the required precision of test; The assembly of this laboratory table is less, and simple in structure, so processing cost is lower, and is simple to operate; In addition, each size of components of this device is less, and is therefore easy to carry.
Description of drawings
Fig. 1 is the test experimental bed schematic diagram.
Fig. 2 is the test experimental bed cutaway view.
Fig. 3 is the seat structure schematic diagram.
Fig. 4 is the gripping sleeve structural representation.
Fig. 5 is the gripping sleeve cutaway view.
Fig. 6 is the connecting axle schematic diagram.
Fig. 7 is female thread clamp structure schematic diagram.
Fig. 8 is the clamp region schematic diagram.
Fig. 9 is external screw thread clamp structure schematic diagram.
Figure 10 is the transverse slider structural representation.
Figure 11 is vertical slide block structure schematic diagram.
Figure 12 is the supporting structure schematic diagram.
Figure 13 is plate latch structure schematic diagram.
Figure 14 is the force transducer structural representation.
Figure 15 is the base arrangement schematic diagram.
Figure 16 is L-type clamp structure schematic diagram.
Figure 17 is L-type anchor clamps cutaway views.
Figure 18 is the periodontal membrane structural representation.
Figure 19 is periodontal membrane stretching experiment schematic diagram.
Figure 20 is periodontal membrane shearing experiment schematic diagram.
Figure 21 is that orthodontic tooth moves the simulation test schematic diagram.
Have among the figure: 1. base plate, 2. bearing, 3. micrometer, 8. gripping sleeve, 9. plate pin, 10. connecting axle, 11. force transducer, 12. female thread anchor clamps, 13. first screws, 14. the second screw, 15. first clamping plate, 16. external screw thread anchor clamps, 17. the second clamping plate, 18. front plates, 19. front external screw thread anchor clamps, 20. vertical slide block, 21. transverse sliders, 22. supports, 23. longitudinal rail, 24. cross slide way, 25. vertical guide, 31. rotation ratchets, 32. circular gasket, 33. the differential cylinder, 34. fixed screw cylinders, 35 measuring screw axles.
The specific embodiment
Below in conjunction with Figure of description this utility model is described further.
Mouth cavity orthodontic periodontal membrane Mechanics Performance Testing device of the present utility model, comprise: base plate 1, bearing 2, measurement module, support 22, the clamping module, one end of the longitudinal sliding block on the base plate 1 and bearing 2 is slidingly connected, and the position by screw hold-down support 2, the other end of bearing 2 is provided with through hole, fixed screw cylinder 34 on the measurement module is fixedly connected with by screw with through hole, connecting axle 10 on support 22 1 ends and the measurement module is slidingly connected, longitudinal rail 23 on support 22 other ends and the base plate 1 is slidingly connected, and the cross slide way 24 on clamping module and the base plate 1 is slidingly connected.
Measurement module comprises: micrometer 3, gripping sleeve 8, plate pin 9, connecting axle 10, force transducer 11, female thread anchor clamps 12, the first clamping plate 15, left screw 13 and right screw 14.The fixed screw cylinder 34 of micrometer 3 one ends is fixedly connected with by screw with the through hole of bearing 2, be provided with gripping sleeve 8 between the measuring screw axle 35 of micrometer 3 other ends and the end of connecting axle 10, and the end at gripping sleeve 8 is provided with through hole, the other end at gripping sleeve 8 is provided with draw-in groove, be rotationally connected by the measuring screw axle 35 of plate pin 9 with micrometer 3, have cannelure on the end external cylindrical surface that measuring screw axle 35 links to each other with gripping sleeve 8 and plate pin 9 is rotatably assorted, the other end inside of gripping sleeve 8 is provided with screwed hole and is fixedly connected with an end of connecting axle 10, connecting axle 10 bottoms are provided with groove, one end of the groove on the connecting axle 10 and support 22 is slidingly connected, the longitudinal rail 23 of the other end of support 22 and base plate 1 is slidingly connected, and by the position of screw fixed support with respect to longitudinal rail 23, the other end of connecting axle 10 is fixedly connected with by screw thread with force transducer 11 1 ends, force transducer 11 other ends are fixedly connected with by screw thread with an end of female thread anchor clamps 12, and female thread anchor clamps 12 are fixedly connected with the second screw 14 by the first screw 13 with the first clamping plate 15.
Micrometer 3 comprises that rotation ratchet 31, circular gasket 32, differential cylinder 33, fixed screw cylinder 34 and measuring screw axle 35(micrometer are comparatively general, and the structure of micrometer is comparatively common, so its internal structure and annexation do not elaborate).
The clamping module comprises: transverse slider 21, vertical slide block 20, external screw thread anchor clamps 16, the second clamping plate 17, front external screw thread anchor clamps 19 and front plate 18, cross slide way 24 on transverse slider 21 1 ends and the base plate 1 is slidingly connected, slide block 21 other ends are provided with screwed hole, the external screw thread of external screw thread anchor clamps 16 1 ends is threaded with screwed hole on the transverse slider 21, external screw thread anchor clamps 16 other ends are connected with the second clamping plate 17 by bolt, transverse slider 21 is provided with vertical guide 25, vertical guide 25 on vertical slide block 20 1 ends and the transverse slider 21 is slidingly connected, and the position by the fixing vertical slide block 20 of screw, the other end of vertical slide block 20 is provided with screwed hole, the external screw thread of front external screw thread anchor clamps 19 1 ends is threaded with screwed hole on the vertical slide block 20, and front external screw thread anchor clamps 19 other ends are connected with front plate 18 by bolt.
The operating procedure that adopts this test set to test:
1. mobile transverse slider 21 makes external screw thread anchor clamps 16 align with female thread anchor clamps 12, length requirement mobile support saddle 2 according to the experiment exemplar, make the distance of female thread anchor clamps 12 and external screw thread anchor clamps 16 moderate, by the relative position between screw hold-down support 2 and the base plate 1, according to shown in Figure 19, exemplar one end is clamped between the first clamping plate 15 and the female thread anchor clamps 12, the exemplar other end is clamped between the second clamping plate 17 and the external screw thread anchor clamps 16, rotation ratchet 31 on the rotation micrometer 3, displacement and the compression stress of the displacement that measurement module record exemplar is stretched and tensile force and periodontal membrane compression.
2. with reference to the accompanying drawings 20, mobile transverse slider 21 makes front external screw thread anchor clamps 16 align with L-type anchor clamps (seeing accompanying drawing 16), length requirement mobile support saddle 2 according to the experiment exemplar, make the distance of front external screw thread anchor clamps 16 and L-type anchor clamps moderate, by the relative position between screw hold-down support 2 and the base plate 1, exemplar one end is clamped between front plate 18 and the front external screw thread anchor clamps 19, the exemplar other end is clamped between the first clamping plate 15 and the L-type anchor clamps, rotation ratchet 31 on the rotation micrometer 3, displacement and shearing force that measurement module record exemplar is sheared.
3. with reference to the accompanying drawings 21, mobile transverse slider 21 makes front external screw thread anchor clamps 16 align with female thread anchor clamps 12, height and length according to tested object move respectively the vertical slide block 20 of adjusting and bearing 2, make the height and distance of front external screw thread anchor clamps 16 and female thread anchor clamps 12 moderate, by the relative position between screw hold-down support 2 and the base plate 1, exemplar one end is clamped between front plate 18 and the front external screw thread anchor clamps 19, rotation ratchet 31 on the rotation micrometer 3, the displacement of measurement module record Tooth Movement and the magnitude of load that applies.

Claims (1)

1. mouth cavity orthodontic periodontal membrane Mechanics Performance Testing device, it is characterized in that, this test experimental bed comprises base plate (1), be arranged on bearing (2) and clamping module on the described base plate (1), be arranged on the measurement module of described bearing (2) upper end, be provided with longitudinal rail (23) and the cross slide way (24) vertical with described longitudinal rail (23) on the described base plate (1), described bearing (2) and measurement module are slidingly connected with longitudinal rail (23) respectively, and described clamping module and cross slide way (24) are slidingly connected;
Described measurement module comprises the micrometer (3) that connects successively setting, gripping sleeve (8), plate pin (9), connecting axle (10), force transducer (11), female thread anchor clamps (12) and the first clamping plate (15), the fixed screw cylinder (34) of described micrometer (3) passes the installing hole of described bearing (2) upper end, described the first clamping plate (15) are positioned at a side of closing on the clamping module, the downside of described connecting axle (10) is connected with support (22), described support (22) is slidingly connected with longitudinal rail (23), and described the first clamping plate (15) upside is provided with along first screw (13) of measurement module axially-aligned and the second screw (14);
Described clamping module comprises transverse slider (21), be arranged at the vertical guide (25) of a horizontal side of described transverse slider (21), the vertical slide block (20) that is slidingly connected with described vertical guide (25), be arranged at described transverse slider (21) upper side to second clamping plate (17) of the first clamping plate (15) one sides, be arranged at the external screw thread anchor clamps (16) of described the second clamping plate (17) end, described vertical slide block (20) upside is provided with front plate (18), and described vertical slide block (20) is connected and installed by front external screw thread anchor clamps (19) with front plate (18).
CN 201320199493 2013-04-18 2013-04-18 Device for testing mechanical property of oral orthodontic periodontal membrane Withdrawn - After Issue CN203195791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320199493 CN203195791U (en) 2013-04-18 2013-04-18 Device for testing mechanical property of oral orthodontic periodontal membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320199493 CN203195791U (en) 2013-04-18 2013-04-18 Device for testing mechanical property of oral orthodontic periodontal membrane

Publications (1)

Publication Number Publication Date
CN203195791U true CN203195791U (en) 2013-09-18

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Application Number Title Priority Date Filing Date
CN 201320199493 Withdrawn - After Issue CN203195791U (en) 2013-04-18 2013-04-18 Device for testing mechanical property of oral orthodontic periodontal membrane

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196748A (en) * 2013-04-18 2013-07-10 东南大学 Comprehensive test experiment platform for orthodontic parodontium mechanical property
CN104107094A (en) * 2014-06-25 2014-10-22 福州大学 Three-dimensional force measure system of non-trace rectification device as well as measure method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103196748A (en) * 2013-04-18 2013-07-10 东南大学 Comprehensive test experiment platform for orthodontic parodontium mechanical property
CN104107094A (en) * 2014-06-25 2014-10-22 福州大学 Three-dimensional force measure system of non-trace rectification device as well as measure method
CN104107094B (en) * 2014-06-25 2017-04-12 福州大学 Three-dimensional force measure system of non-trace rectification device as well as measure method

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C14 Grant of patent or utility model
GR01 Patent grant
RGAV Abandon patent right to avoid regrant
AV01 Patent right actively abandoned

Granted publication date: 20130918

Effective date of abandoning: 20141231