CN214334570U - Tooth high cycle fatigue simulation test device - Google Patents
Tooth high cycle fatigue simulation test device Download PDFInfo
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- CN214334570U CN214334570U CN202120220058.2U CN202120220058U CN214334570U CN 214334570 U CN214334570 U CN 214334570U CN 202120220058 U CN202120220058 U CN 202120220058U CN 214334570 U CN214334570 U CN 214334570U
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- connecting rod
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- simulation test
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- 238000004088 simulation Methods 0.000 title claims abstract description 26
- 230000001055 chewing effect Effects 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
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Abstract
The utility model discloses a tooth high cycle fatigue simulation test device, wherein a first connecting rod, a second connecting rod and a driving connecting rod are all hinged on the upper end surface of a fixed plate; one end of the third connecting rod is hinged with one end of the first connecting rod, and the other end of the third connecting rod is hinged with one end of the driving connecting rod; one end of the fourth connecting rod is hinged with one end of the second connecting rod, and the other end of the fourth connecting rod is hinged with the other end of the driving connecting rod; the first clamping plate and the second clamping plate are fixedly connected with the other ends of the first connecting rod and the second connecting rod respectively; the opposite surfaces of the first clamping plate and the second clamping plate are respectively used for connecting the first dental model and the second dental model; when the driving connecting rod rotates and swings in a reciprocating mode around the center line perpendicular to the fixing plate, the third connecting rod and the fourth connecting rod can be driven to respectively drive the first connecting rod and the second connecting rod to swing in a reciprocating mode, and when the first connecting rod and the second connecting rod swing in a reciprocating mode, the first clamping plate and the second clamping plate are close to or far away from each other. The utility model discloses can carry out the simulation experiment to the wearability of tooth.
Description
Technical Field
The utility model relates to a tooth wearing and tearing technical field especially relates to a high all fatigue analogue test device of tooth.
Background
Chewing is an indispensable physiological activity for human, human living needs are met by chewing of upper teeth and lower teeth, and teeth are necessarily abraded to different degrees in the chewing process.
Since the wear amount of teeth is small in a short time and no device for performing a simulation test on the wear amount of teeth is available at present, a high-cycle fatigue simulation test device for teeth is urgently needed to obtain the wear condition of teeth.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a high all fatigue analogue test device of tooth can carry out the simulation experiment to the wearability of tooth to can test out the wearing and tearing condition of tooth.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a tooth high cycle fatigue simulation test device comprises a fixing plate, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, a driving connecting rod, a first clamping plate and a second clamping plate, wherein the first connecting rod, the second connecting rod and the driving connecting rod are hinged to the upper end face of the fixing plate; one end of the third connecting rod is hinged with one end of the first connecting rod, and the other end of the third connecting rod is hinged with one end of the driving connecting rod; one end of the fourth connecting rod is hinged with one end of the second connecting rod, and the other end of the fourth connecting rod is hinged with the other end of the driving connecting rod; the first clamping plate and the second clamping plate are fixedly connected with the other ends of the first connecting rod and the second connecting rod respectively; the opposite surfaces of the first splint and the second splint are respectively used for connecting a first dental model and a second dental model; when the driving connecting rod rotates and swings back and forth around the central line which is perpendicular to the fixing plate, the third connecting rod and the fourth connecting rod can be driven to respectively drive the first connecting rod and the second connecting rod to swing back and forth, and when the first connecting rod and the second connecting rod swing back and forth, the first clamping plate and the second clamping plate are close to or far away from each other.
The rotary drum is sleeved on the connecting rod in an empty mode, and the upper end of the rotary drum penetrates through the fixed plate and then is fixedly connected with the center position of the driving connecting rod; the rotary drum can do reciprocating rotation motion around the axis of the rotary drum, and the rotary drum can drive the driving connecting rod to do reciprocating rotation swing when doing reciprocating rotation motion around the axis of the rotary drum.
The sliding plate is characterized by further comprising a sliding plate and two guide rails which are arranged on the upper end surface of the first base in parallel, wherein a first sliding block is arranged on each of the two guide rails in a sliding manner, the lower end surface of the sliding plate is fixedly connected with the two first sliding blocks, and the two first sliding blocks can slide along the corresponding guide rails; the upper end surface of the sliding plate is provided with a sliding groove perpendicular to the guide rail, a second sliding block is arranged in the sliding groove, and the second sliding block is connected with the rotary drum through a crank.
Furthermore, a limiting groove is formed in one side, close to the connecting rod, of the sliding plate, and the connecting rod is located in the limiting groove.
Furthermore, the sliding plate device further comprises a second base horizontally connected with the first base, a third sliding block capable of sliding along the extending direction of the guide rail is arranged on the second base, one end of the third sliding block is connected with a driving mechanism, and the other end of the third sliding block is fixedly connected with the sliding plate through a push rod.
Further, actuating mechanism includes motor and cam, the output of motor with cam fixed connection, the cam with the one end of third slider offsets, just be provided with the baffle on the second base, the one end of push rod is passed behind the baffle with the slide is connected, the push rod with baffle clearance fit, the cover is equipped with the elastic component on the push rod, the one end of elastic component supports on the baffle, the other end supports on the third slider.
Furthermore, the second base is also provided with two guide plates which are opposite to each other, guide grooves are formed in the two guide plates respectively and oppositely, the third sliding block is arranged between the two guide plates, guide blocks are connected to two sides of the third sliding block, and the guide blocks on the two sides are correspondingly matched in the guide grooves.
Furthermore, first magnets are arranged on the opposite surfaces of the first clamping plate and the second clamping plate respectively, grooves are formed in the back surfaces of the first dental model and the second dental model respectively, and second magnets which attract the first magnets are arranged in the grooves.
Furthermore, the fixed plate is connected with the first base through a support rod.
A tooth high cycle fatigue simulation test method, use the utility model discloses a tooth high cycle fatigue simulation test device, at first scan record original size to the first tooth model and the second tooth model; then the first tooth model and the second tooth model are respectively installed on the first clamping plate and the second clamping plate, the third connecting rod and the fourth connecting rod are driven by the driving connecting rod to respectively drive the first connecting rod and the second connecting rod to do reciprocating swing, the first connecting rod and the second connecting rod drive the first clamping plate and the second clamping plate to be close to or far away from each other, so that the first tooth model and the second tooth model are repeatedly collided and worn, finally, the size of the first tooth model and the second tooth model after collision is scanned and recorded, and the size is compared with the original size to obtain the wear loss.
Compared with the prior art, the utility model discloses following beneficial effect has at least: before the test, the utility model firstly scans the first tooth model and the second tooth model to record the original size; then install first tooth model and second tooth model respectively on first splint and second splint, drive third connecting rod and fourth connecting rod through the drive connecting rod and drive first connecting rod and second connecting rod respectively and do reciprocating swing, first connecting rod and second connecting rod drive first splint and second splint and are close to or keep away from each other for first tooth model and second tooth model collide wearing and tearing repeatedly, scan the size of record after the collision to first tooth model and second tooth model at last, and obtain the wearing and tearing volume with original size contrast. It can be seen that the utility model discloses can carry out the simulation test to the wearability of tooth to can test out the wearing and tearing condition of tooth.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a tooth high cycle fatigue simulation test device of the present invention;
FIG. 2 is a schematic structural view of a tooth high cycle fatigue simulation test device of the present invention;
FIG. 3 is a schematic view of the structure of a first dental model and a second dental model;
fig. 4 is a schematic view of the structure of the first and second dental models.
In the figure: 1-fixing the plate; 2-a first link; 3-a second link; 4-a third link; 5-a fourth link; 6-a drive link; 7-a first splint; 8-a second splint; 9-a first dental model; 10-a second dental model; 11-a first base; 12-a rotating drum; 13-a connecting rod; 14-a slide plate; 15-a guide rail; 16-a first slider; 17-a chute; 18-a second slide; 19-crank; 20-a limiting groove; 21-a second base; 22-a third slide; 23-a push rod; 24-a motor; 25-a cam; 26-a baffle; 27-an elastic member; 28-a guide plate; 29-a guide groove; 30-a guide block; 31-a support bar; 32-a first magnet; 33-a groove; 34-a second magnet; 35-light sensing counter.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As a specific embodiment of the present invention, as shown in fig. 1 to 4, a simulation test device for high cycle fatigue of teeth includes a fixed plate 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, a fourth connecting rod 5, a driving connecting rod 6, a first clamping plate 7 and a second clamping plate 8, wherein the first connecting rod 2, the second connecting rod 3 and the driving connecting rod 6 are all hinged on the upper end surface of the fixed plate 1. One end of the third connecting rod 4 is hinged with one end of the first connecting rod 2, and the other end of the third connecting rod 4 is hinged with one end of the driving connecting rod 6; one end of the fourth connecting rod 5 is hinged with one end of the second connecting rod 3, and the other end of the fourth connecting rod 5 is hinged with the other end of the driving connecting rod 6; the first clamping plate 7 and the second clamping plate 8 are fixedly connected with the other ends of the first connecting rod 2 and the second connecting rod 3 respectively.
The opposite surfaces of the first clamping plate 7 and the second clamping plate 8 are respectively used for connecting the first dental model 9 and the second dental model 10, preferably, as shown in fig. 3 and 4, the opposite surfaces of the first clamping plate 7 and the second clamping plate 8 are respectively provided with a first magnet 32, the back surfaces of the first dental model 9 and the second dental model 10 are respectively provided with a groove 33, and a second magnet 34 mutually attracted with the first magnet 32 is arranged in the groove 33. That is, the first and second splints 7 and 8 are connected to the first and second dental models 9 and 10 by the first and second magnets 32 and 34, respectively, and the installation and removal are facilitated.
When the driving connecting rod 6 rotates and swings back and forth around the central line which is perpendicular to the fixing plate 1, the third connecting rod 4 and the fourth connecting rod 5 can be driven to respectively drive the first connecting rod 2 and the second connecting rod 3 to swing back and forth, and when the first connecting rod 2 and the second connecting rod 3 swing back and forth, the first clamping plate 7 and the second clamping plate 8 are close to or far away from each other.
As a preferred embodiment, the present invention further comprises a first base 11, a drum 12 and a connecting rod 13, wherein the first base 11 is located below the fixing plate 1, and the fixing plate 1 is connected to the first base 11 through a supporting rod 31. The lower end of the connecting rod 13 is vertically fixed on the upper end surface of the first base 11, the rotary drum 12 is sleeved on the connecting rod 13, and the upper end of the rotary drum 12 penetrates through the fixed plate 1 and then is fixedly connected with the central position of the driving connecting rod 6. The rotary drum 12 can do reciprocating rotation motion around the axis of the rotary drum 12, and when the rotary drum 12 does reciprocating rotation motion around the axis of the rotary drum, the rotary drum can drive the driving connecting rod 6 to do reciprocating rotation swing. That is, the connecting rod 6 is driven to perform reciprocating rotation swing through the reciprocating rotation of the drum 12, and then the third connecting rod 4 and the fourth connecting rod 5 are driven to respectively drive the first connecting rod 2 and the second connecting rod 3 to perform reciprocating swing.
As the preferred embodiment, the utility model discloses still include slide 14 and two guide rails 15 of parallel arrangement at first base 11 up end, it is provided with a first slider 16 to slide respectively on two guide rails 15, slide 14's lower terminal surface respectively with two first sliders 16 fixed connection, two first sliders 16 can slide along corresponding guide rail 15. The upper end surface of the sliding plate 14 is provided with a sliding groove 17 vertical to the guide rail 15, a second sliding block 18 is arranged in the sliding groove 17, and the second sliding block 18 is connected with the rotary drum 12 through a crank 19. That is, the first slide block 16 drives the slide plate 14 to slide back and forth along the guide rail 15, so that the second slide block 18 in the slide groove 17 slides back and forth along the slide groove 17, and further drives the crank 19 to crank, and further drives the rotary drum 12 to rotate back and forth. Preferably, a limiting groove 20 is formed in one side, close to the connecting rod 13, of the sliding plate 14, the connecting rod 13 is located in the limiting groove 20, and the limiting groove 20 plays a role in limiting the sliding plate 14.
As a preferable embodiment, the utility model discloses still include the second base 21 with first base 11 horizontal connection, be provided with on the second base 21 and follow the gliding third slider 22 of the extending direction of guide rail 15, the one end of third slider 22 is connected with actuating mechanism, passes through push rod 23 fixed connection between the other end of third slider 22 and the slide 14. The third slider 22 is driven by the driving mechanism to slide along the extending direction of the guide rail 15, and the slide plate 14 is driven to slide back and forth along the guide rail 15.
As a preferred embodiment, the driving mechanism includes a motor 24 and a cam 25, an output end of the motor 24 is fixedly connected with the cam 25, the cam 25 abuts against one end of the third slider 22, a baffle 26 is disposed on the second base 21, one end of the push rod 23 passes through the baffle 26 and then is connected with the sliding plate 14, the push rod 23 is in clearance fit with the baffle 26, an elastic member 27 is sleeved on the push rod 23, one end of the elastic member 27 abuts against the baffle 26, and the other end abuts against the third slider 22. The cam 25 is driven by the motor 24 to move, the cam 25 drives the third slider 22 to slide, and the elastic element 27 enables the third slider 22 to reset. In this embodiment, the elastic member 27 is a spring. In this embodiment, the motor 24 is a servo motor.
Preferably, two guide plates 28 are also arranged on the second base 21 in an opposite manner, guide grooves 29 are respectively arranged on the two guide plates 28 in an opposite manner, the third slider 22 is arranged between the two guide plates 28, guide blocks 30 are connected to two sides of the third slider 22, and the guide blocks 30 on the two sides are correspondingly matched in the guide grooves 29. The guide plate 28 ensures that the third slider 22 can reciprocate in a predetermined direction.
Preferably, a light sensing counter 35 is further installed on the fixing plate 1 between the first clamping plate 7 and the second clamping plate 8, and the relationship between the number of occlusions and the wear of teeth can be calculated by measuring the number of occlusions of the teeth by the light sensing counter 35 through the closing of the first dental model 9 and the second dental model 10.
The utility model relates to a high all fatigue simulation test method position of tooth: firstly, scanning the first dental model 9 and the second dental model 10 to record original sizes; then install first tooth model 9 and second tooth model 10 respectively on first splint 7 and second splint 8, drive third connecting rod 4 and fourth connecting rod 5 through drive connecting rod 6 and drive first connecting rod 2 and second connecting rod 3 respectively and do reciprocating swing, first connecting rod 2 and second connecting rod 3 drive first splint 7 and second splint 8 and are close to each other or keep away from for first tooth model 9 and second tooth model 10 collide wearing and tearing repeatedly, scan the size of record after the collision to first tooth model 9 and second tooth model 10 at last to obtain the wearing and tearing volume with original size contrast. Specifically, before the test, the first dental model 9 and the second dental model 10 are scanned by a scanning instrument to establish a dental model; secondly, after the simulation test is finished, modeling the worn first dental model 9 and the worn second dental model 10 through a scanning instrument again; saving the model after two times of scanning in stl format; and finally, importing the two stl models into GEOMAGIC CONTROL software, performing data fitting on the two models in a best fitting mode, and comparing the wear amounts of the first tooth model 9 and the second tooth model 10 after the simulation test through 3D and 2D comparison to obtain the wear condition.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The tooth high cycle fatigue simulation test device is characterized by comprising a fixing plate (1), a first connecting rod (2), a second connecting rod (3), a third connecting rod (4), a fourth connecting rod (5), a driving connecting rod (6), a first clamping plate (7) and a second clamping plate (8), wherein the first connecting rod (2), the second connecting rod (3) and the driving connecting rod (6) are hinged to the upper end face of the fixing plate (1); one end of the third connecting rod (4) is hinged with one end of the first connecting rod (2), and the other end of the third connecting rod (4) is hinged with one end of the driving connecting rod (6); one end of the fourth connecting rod (5) is hinged with one end of the second connecting rod (3), and the other end of the fourth connecting rod (5) is hinged with the other end of the driving connecting rod (6); the first clamping plate (7) and the second clamping plate (8) are fixedly connected with the other ends of the first connecting rod (2) and the second connecting rod (3) respectively; the opposite surfaces of the first splint (7) and the second splint (8) are respectively used for connecting a first dental model (9) and a second dental model (10); when the driving connecting rod (6) rotates and swings back and forth around the center line perpendicular to the fixing plate (1), the third connecting rod (4) and the fourth connecting rod (5) can be driven to respectively drive the first connecting rod (2) and the second connecting rod (3) to swing back and forth, and when the first connecting rod (2) and the second connecting rod (3) swing back and forth, the first clamping plate (7) and the second clamping plate (8) are close to or far away from each other.
2. A tooth high cycle fatigue simulation test device according to claim 1, further comprising a first base (11), a rotary drum (12) and a connecting rod (13), wherein the first base (11) is located below the fixing plate (1), the lower end of the connecting rod (13) is vertically fixed on the upper end surface of the first base (11), the rotary drum (12) is freely sleeved on the connecting rod (13), and the upper end of the rotary drum (12) passes through the fixing plate (1) and is fixedly connected with the central position of the driving connecting rod (6); the rotary drum (12) can do reciprocating rotary motion around the axis of the rotary drum, and when the rotary drum (12) does reciprocating rotary motion around the axis of the rotary drum, the rotary drum can drive the driving connecting rod (6) to do reciprocating rotary swing.
3. A tooth high cycle fatigue simulation test device according to claim 2, further comprising a sliding plate (14) and two guide rails (15) arranged in parallel on the upper end surface of the first base (11), wherein a first sliding block (16) is respectively arranged on the two guide rails (15) in a sliding manner, the lower end surface of the sliding plate (14) is respectively fixedly connected with the two first sliding blocks (16), and the two first sliding blocks (16) can slide along the corresponding guide rails (15); the upper end face of the sliding plate (14) is provided with a sliding groove (17) perpendicular to the guide rail (15), a second sliding block (18) is arranged in the sliding groove (17), and the second sliding block (18) is connected with the rotary drum (12) through a crank (19).
4. A tooth high cycle fatigue simulation test device according to claim 3, wherein a limit groove (20) is formed on one side of the sliding plate (14) close to the connecting rod (13), and the connecting rod (13) is located in the limit groove (20).
5. A tooth high cycle fatigue simulation test device according to claim 3, further comprising a second base (21) horizontally connected with the first base (11), wherein a third slider (22) capable of sliding along the extending direction of the guide rail (15) is arranged on the second base (21), one end of the third slider (22) is connected with a driving mechanism, and the other end of the third slider (22) is fixedly connected with the sliding plate (14) through a push rod (23).
6. A tooth high cycle fatigue simulation test device according to claim 5, wherein the driving mechanism comprises a motor (24) and a cam (25), the output end of the motor (24) is fixedly connected with the cam (25), the cam (25) abuts against one end of the third slider (22), a baffle (26) is arranged on the second base (21), one end of the push rod (23) penetrates through the baffle (26) and then is connected with the sliding plate (14), the push rod (23) is in clearance fit with the baffle (26), an elastic member (27) is sleeved on the push rod (23), one end of the elastic member (27) abuts against the baffle (26), and the other end of the elastic member abuts against the third slider (22).
7. A tooth high cycle fatigue simulation test device according to claim 5, wherein the second base (21) is further provided with two guide plates (28) in a facing manner, the two guide plates (28) are respectively provided with a guide groove (29) in a facing manner, the third slider (22) is arranged between the two guide plates (28), guide blocks (30) are connected to two sides of the third slider (22), and the guide blocks (30) on the two sides are correspondingly matched in the guide grooves (29).
8. A tooth high cycle fatigue simulation test device according to claim 1, wherein the first splint (7) and the second splint (8) are provided with a first magnet (32) on their opposite surfaces, the first dental model (9) and the second dental model (10) are provided with a groove (33) on their back surfaces, and a second magnet (34) attracting the first magnet (32) is provided in the groove (33).
9. A tooth high cycle fatigue simulation test device according to claim 2, wherein the fixing plate (1) is connected with the first base (11) through a support rod (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220058.2U CN214334570U (en) | 2021-01-26 | 2021-01-26 | Tooth high cycle fatigue simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120220058.2U CN214334570U (en) | 2021-01-26 | 2021-01-26 | Tooth high cycle fatigue simulation test device |
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| Publication Number | Publication Date |
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| CN214334570U true CN214334570U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120220058.2U Expired - Fee Related CN214334570U (en) | 2021-01-26 | 2021-01-26 | Tooth high cycle fatigue simulation test device |
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| CN (1) | CN214334570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563264A (en) * | 2022-02-24 | 2022-05-31 | 天津大学 | Improved dental implant fatigue test fixture |
-
2021
- 2021-01-26 CN CN202120220058.2U patent/CN214334570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114563264A (en) * | 2022-02-24 | 2022-05-31 | 天津大学 | Improved dental implant fatigue test fixture |
| CN114563264B (en) * | 2022-02-24 | 2023-10-17 | 天津大学 | Improved generation dental implant fatigue test anchor clamps |
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