CN113029598A - Collision dummy waist joint adjusting mechanism - Google Patents
Collision dummy waist joint adjusting mechanism Download PDFInfo
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- CN113029598A CN113029598A CN202110367110.1A CN202110367110A CN113029598A CN 113029598 A CN113029598 A CN 113029598A CN 202110367110 A CN202110367110 A CN 202110367110A CN 113029598 A CN113029598 A CN 113029598A
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- joint
- waist joint
- waist
- dummy
- lumbar
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 230000007704 transition Effects 0.000 claims description 5
- 210000001624 hip Anatomy 0.000 abstract description 65
- 210000004197 pelvis Anatomy 0.000 abstract description 9
- 238000004088 simulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000036544 posture Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011882 arthroplasty Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a waist joint adjusting mechanism of a collision dummy, which comprises a fixed base, wherein a rotating shaft supporting seat is arranged on a fixed base plate, a rotating shaft is connected onto the rotating shaft supporting seat, a waist joint part is hinged onto the rotating shaft, a spherical groove is arranged below the waist joint part, a spherical shaft head is arranged in the spherical groove and is connected with one end of a screw rod, a screw rod adjusting handle or a micro servo motor is arranged at the other end of the screw rod, the screw rod is in threaded fit with a threaded sleeve, the threaded sleeve penetrates through the fixed base, a connecting sleeve is arranged on one side of the threaded sleeve and is connected with the fixed base, the waist joint part is hinged with a trunk joint part through a hinged piece, and the trunk joint part is provided with a. This collision dummy waist joint adjustment mechanism carries out the fore-and-aft rotation through increasing mechanical motion mechanism control waist joint, realizes simulating the relative pelvis position motion state function of waist joint, has simple structure emulation effectual, easily adjusts the inclination of waist joint part during the use.
Description
Technical Field
The invention relates to the technical field of vehicle and pedestrian collision experiments, in particular to a liquid collision dummy waist joint adjusting mechanism.
Background
In the collision test of an automobile, a dummy is an important component in the collision test, and in order to ensure that a data result obtained by the collision test is accurate and reliable, the joint motion simulation principle of the dummy needs to be more close to a real person.
In the existing dummy mechanism popular in the market, the trunk of the dummy adopts a fixed angle value along with the angle of a seat back, the positions of waist joint parts and pelvis joint parts are fixed by adopting a rigid body structure, and the injury to the human body, especially the injury simulation of the waist joint position, under the real collision scene can not be completely simulated during collision.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an optimized structure of a traditional dummy structure, which is a collision dummy waist joint adjusting mechanism for realizing the function of simulating the motion state of a waist joint relative to the position of a pelvis by adding a mechanical motion mechanism to control the waist joint to rotate back and forth.
In order to achieve the purpose, the invention provides a waist joint adjusting mechanism for a collision dummy, which comprises a fixed base, wherein a rotating shaft supporting seat is arranged on a fixed base plate, a rotating shaft is connected onto the rotating shaft supporting seat, a waist joint part is hinged onto the rotating shaft, a spherical groove is arranged below the waist joint part, a spherical shaft head is arranged in the spherical groove and connected with one end of a screw rod, a screw rod adjusting handle or a micro servo motor is arranged at the other end of the screw rod, the screw rod is in threaded fit with a threaded sleeve, the threaded sleeve penetrates through the fixed base, a connecting sleeve is arranged on one side of the threaded sleeve and connected with the fixed base, the waist joint part is hinged with a trunk joint part through a hinging piece, and the trunk joint part is provided with a plurality of sections which are respectively.
In order to facilitate the adjustment of the waist joint part to drive the trunk joint part, the waist joint part swings around the rotating shaft under the driving of the screw rod, and the preferred technical scheme is that the spherical groove is positioned on one side of the rotating shaft below the waist joint part.
Make it more small and exquisite in order to simplify the structure of waist joint part, the processing preparation of being more convenient for makes its structure can not influence its and trunk articulated being connected moreover, and in order to simulate shape and the structural feature of human waist joint spare better, further preferred technical scheme is, waist joint part includes the waist joint spare main part of integral type structure, and waist joint spare main part is cross structure, and the spherical recess sets up in one side of cross structure's lower part, and cross structure's upper portion is for being equipped with the pivot connecting portion of through-hole, and cross structure's both sides are waist joint imitative piece, are equipped with U-shaped groove or U-shaped cambered surface in waist joint imitative piece bottom.
In order to simplify the structure of the waist joint part, make the waist joint part smaller and more convenient to process and manufacture, and make the structure not influence the connection with the trunk joint, and in order to better simulate the shape and the structural characteristics of the human waist joint part, a further preferable technical proposal is that an elastic cushion pad is arranged at the upper part of the waist joint contour part.
In order to adjust the inclination angle of the waist joint part conveniently and simulate the morphological characteristics of the waist joint part in different sitting postures of a human body, the accurate adjustment is made through the specific scale size, and further, in the preferable technical scheme, a graduated scale is arranged on one side of the screw sleeve.
In order to fix the properly adjusted sitting posture of the crash dummy, the screw rod is further provided with a locking nut matched with the screw sleeve.
In order to facilitate the installation and fixation of the screw sleeve on the fixed base and the disassembly and adjustment of the screw sleeve, the preferable technical scheme is that the connecting sleeve and the screw sleeve are in a cross structure, and the connecting sleeve is embedded in the groove on the fixed base.
In order to facilitate the installation and fixation of the parts of the collision dummy, such as the pelvis, the framework and the like, and the fixed base, the preferable technical scheme is that the fixed base is provided with a slotted hole for fixing the pelvis and the framework of the dummy.
In order to facilitate the realization of the automatic adjustment of the angle between the waist joint and the backrest of the dummy, the optimized technical scheme is that a sliding block is arranged on the base of the miniature servo motor and is in interactive fit with a sliding groove arranged on the fixed base.
Make it more small and exquisite in order to simplify the structure of trunk festival part, the processing preparation of being more convenient for makes its structure can not influence its and waist joint spare be connected moreover, and in order to simulate human trunk joint spare's shape and structural feature better, further preferred technical scheme is in addition, trunk joint spare is cruciform structure, and cruciform structure trunk joint spare's upper and lower is equipped with the hinge hole, and cruciform structure trunk joint spare's both sides are spine joint profiling, are equipped with elastic buffer respectively in the upper portion lower part of spine joint profiling, are equipped with the excessive piece of spine joint profile between two sections cruciform structure trunk joint spares, and the excessive piece of spine joint profile is also articulated with cruciform structure trunk joint spare through the connector.
The waist joint adjusting mechanism for the collision dummy has the advantages that the waist joint adjusting mechanism is an optimized structure relative to the traditional dummy structure, the function of simulating the motion state of the waist joint relative to the pelvis position is realized by adding the mechanical motion mechanism to control the waist joint to rotate back and forth, the waist joint adjusting mechanism has a simple structure and a good simulation effect, is convenient to process and manufacture, and is easy to adjust the inclination angle of a waist joint part during use. Compared with the prior art, the waist joint simulation human body joint can be controlled to rotate back and forth along the pelvis by matching the screw rod with the ball head structure and the screw sleeve, the waist joint rotation angle can be accurately controlled through the graduated scale, and the trunk angle of the dummy model is subjected to calibration test.
Drawings
FIG. 1 is a schematic perspective view of a lumbar joint adjustment mechanism for a crash dummy according to the present invention;
FIG. 2 is a partial cross-sectional view of the base plate, screw, threaded sleeve, connection sleeve and waist joint component of FIG. 1;
fig. 3 is a schematic perspective view of the base plate and the threaded sleeve in fig. 1.
In the figure: 1. a fixed base; 2. a rotating shaft supporting seat; 3. a rotating shaft; 4. a waist joint member; 4.1, a main body; 4.2, through holes; 5. a spherical groove; 6. a spherical shaft head; 7. a screw; 8. a screw adjusting handle; 9. a threaded sleeve; 10. connecting sleeves; 11. an articulation member; 12. a torso joint; 13. an elastic cushion pad; 14. a graduated scale; 15. a nut; 16-23, a slot; 24. a spinal joint arthroplasty; 25. a spinal joint contouring transition piece.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 3, the invention relates to a waist joint adjusting mechanism for a collision dummy, which comprises a fixed base 1, wherein a rotating shaft supporting seat 2 is arranged on the fixed base plate 1, a rotating shaft 3 is connected on the rotating shaft supporting seat 2, a waist joint part 4 is hinged on the rotating shaft 3, a spherical groove 5 is arranged below the waist joint part 4, a spherical shaft head 6 is arranged in the spherical groove 5, the spherical shaft head 6 is connected with one end of a screw 7, a screw adjusting handle 8 or a micro servo motor is arranged at the other end of the screw 7, the screw 7 is in threaded fit with a screw sleeve 9, the screw sleeve 9 penetrates through the fixed base 1, a connecting sleeve 10 is arranged at one side of the screw sleeve 9, the connecting sleeve 10 is connected with the fixed base 1, the waist joint part 4 is hinged with a trunk joint part 12 through a hinged part 11, and the trunk.
In order to adjust the waist joint part 4 to drive the trunk joint part 12 to swing around the rotating shaft 3 under the drive of the screw 7, the preferred embodiment of the invention is that the spherical groove 5 is positioned at one side of the rotating shaft 3 below the waist joint part 4.
In order to simplify the structure of the waist joint part 4, make it smaller and more compact, and more convenient to process and manufacture, and make its structure not influence its connection with the trunk joint part 12, and in order to better simulate the shape and structural characteristics of human body parts, a further preferred embodiment of the invention is that the waist joint part 4 includes a part main body 4.1 of an integral structure, the part main body 4.1 of the waist joint part 4 is in a cross structure, a spherical recess 5 is arranged on one side of the lower part of the cross structure, the upper part of the cross structure is a rotating shaft 3 connecting part provided with a through hole 4.2, the two sides of the cross structure are waist joint simulation parts, and the bottom of the waist joint simulation parts is provided with a U-shaped groove or a U-shaped cambered surface.
In order to simplify the structure of the waist joint part 4, make it smaller and more convenient to manufacture, and make its structure not affect its connection with the trunk joint part 12, and in order to better simulate the shape and structural characteristics of the human waist joint part, the invention further prefers that an elastic buffer cushion 13 is arranged on the upper part of the waist joint contour part.
In order to adjust the inclination angle of the waist joint part 4 and simulate the morphological characteristics of the waist joint part under different sitting postures of human body, the precise adjustment is made through the specific scale size, and a further preferable embodiment of the invention is that a graduated scale 14 is arranged on one side of the screw sleeve 9.
In order to fix the sitting posture of the crash dummy after the adjustment, the screw 7 is further provided with a locking nut 15 which is matched with the screw sleeve 9.
In order to facilitate the installation and fixation of the threaded sleeve 9 on the fixed base and the disassembly and adjustment of the threaded sleeve 9, the preferred embodiment of the invention is that the connecting sleeve 10 and the threaded sleeve 9 are in a cross structure, and the connecting sleeve 10 is embedded in the groove on the fixed base 1.
In order to facilitate the installation and fixation of the components of the collision dummy, such as the pelvis, the framework and the like, and the fixing base 1, the fixing base 1 is further provided with slotted holes 16-23 for fixing the pelvis and the framework of the dummy.
In order to realize the automatic adjustment of the angle between the waist joint and the backrest of the dummy, the preferred embodiment of the invention further comprises a sliding block arranged on the base of the micro servo motor, and the sliding block is in interactive fit with a sliding groove arranged on the fixed base (not shown in the figure).
In order to simplify the structure of the trunk joint part 12, make it smaller and more compact, and make it easier to manufacture, and make its structure not affect its connection with the waist joint part 4, and in order to better simulate the shape and structural characteristics of the human trunk joint 12, a further preferred embodiment of the invention is that the trunk joint part 12 is a cross-shaped structure, the upper and lower of the cross-shaped structure trunk joint part are provided with hinge holes, the two sides of the cross-shaped structure trunk joint part 12 are provided with spine joint imitators 24, the upper and lower parts of the spine joint imitators 24 are respectively provided with elastic cushions 13, a spine joint imitator transition part 25 is provided between the two sections of cross-shaped structure trunk joint parts 12, and the spine joint imitator transition part 25 is also hinged with the cross-shaped structure trunk joint part through a crossover.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a collision dummy waist joint adjustment mechanism, a serial communication port, adjustment mechanism includes unable adjustment base, be equipped with the pivot supporting seat on the unable adjustment base board, be connected with the pivot on the pivot supporting seat, it has waist joint spare to articulate in the pivot, be equipped with the sphere recess below the waist joint spare, be equipped with the sphere spindle nose in the sphere recess, the sphere spindle nose is connected with the one end of screw rod, the other end of screw rod is equipped with screw rod adjustment handle or miniature servo motor, screw rod and swivel nut screw-thread fit, the swivel nut passes unable adjustment base, one side of swivel nut is equipped with the adapter sleeve, the adapter sleeve is connected with unable adjustment base, waist joint spare part passes through the articulated elements and articulates with truck joint spare, truck joint spare is equipped with.
2. The crash dummy waist joint adjusting mechanism according to claim 1, wherein said spherical recess is provided on a side of the rotation shaft below the waist joint member.
3. The lumbar joint adjusting mechanism for the crash dummy according to claim 2, wherein the lumbar joint member comprises a lumbar joint member body of an integrated structure, the lumbar joint member body is of a cross structure, the spherical recess is provided at one side of a lower portion of the cross structure, an upper portion of the cross structure is a rotating shaft connecting portion provided with a through hole, two sides of the cross structure are lumbar joint cams, and a U-shaped groove or a U-shaped arc surface is provided at a bottom of the lumbar joint cams.
4. The crash dummy waist joint adjusting mechanism according to claim 3 wherein an elastic cushion is provided on the upper portion of said waist joint contour.
5. The lumbar joint adjustment mechanism for a crash dummy as set forth in claim 1, wherein a graduated scale is provided on one side of said threaded sleeve.
6. The lumbar joint adjustment mechanism for a crash dummy according to claim 1, wherein a lock nut engaged with the threaded sleeve is further provided on the threaded rod.
7. The lumbar joint adjustment mechanism for a crash dummy as claimed in claim 1, wherein the connection sleeve and the threaded sleeve are in a cross-shaped configuration, and the connection sleeve is embedded in a groove of the fixing base.
8. The lumbar joint adjustment mechanism for a crash dummy as set forth in claim 7, wherein a slot hole for fixing with the pelvic framework of the dummy is provided on said fixing base.
9. The lumbar joint adjustment mechanism for a crash dummy according to claim 1, wherein a slide block is provided on the base of the micro servo motor, and the slide block is interactively engaged with a slide groove provided on the fixed base.
10. The lumbar joint adjusting mechanism for the collision dummy as claimed in claim 1, wherein the trunk joint member is of a cross structure, hinge holes are formed in the upper and lower parts of the cross structure trunk joint member, spine joint profiling members are arranged on two sides of the cross structure trunk joint member, elastic cushion pads are respectively arranged on the lower parts of the upper parts of the spine joint profiling members, a spine joint profiling transition member is arranged between the two sections of the cross structure trunk joint member, and the spine joint profiling transition member is also hinged to the cross structure trunk joint member through a hinge member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367110.1A CN113029598A (en) | 2021-04-06 | 2021-04-06 | Collision dummy waist joint adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110367110.1A CN113029598A (en) | 2021-04-06 | 2021-04-06 | Collision dummy waist joint adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113029598A true CN113029598A (en) | 2021-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110367110.1A Pending CN113029598A (en) | 2021-04-06 | 2021-04-06 | Collision dummy waist joint adjusting mechanism |
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| Country | Link |
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| CN (1) | CN113029598A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040011150A1 (en) * | 1997-10-10 | 2004-01-22 | Reynolds Herbert M. | Design template |
| CN101354849A (en) * | 2007-07-27 | 2009-01-28 | 现代自动车株式会社 | Apparatus for adjusting position of vertebral column of dummy model for estimating feeling of sitting in seat |
| CN101383107A (en) * | 2007-09-05 | 2009-03-11 | 现代自动车株式会社 | Pelvis assembly for dummy model |
| JP2011098590A (en) * | 2009-11-04 | 2011-05-19 | Toyota Boshoku Corp | Seat for vehicle |
| CN202916064U (en) * | 2012-08-22 | 2013-05-01 | 湖南赛孚汽车科技有限公司 | Novel five-segment lumbar vertebra of automotive front collision dummy |
| CN104792545A (en) * | 2015-04-21 | 2015-07-22 | 湖南赛孚汽车科技有限公司 | Specification-adjustable dummy used for car crash testing |
| US20160293060A1 (en) * | 2015-04-02 | 2016-10-06 | Humanetics Innovative Solutions, Inc. | Adjustable spine joint assembly for crash test dummy |
| CN207785416U (en) * | 2017-04-27 | 2018-08-31 | 南通市第一人民医院 | A kind of spike pad carrying out angular adjustment |
| DE202018101657U1 (en) * | 2018-03-23 | 2019-06-27 | Adient Aerospace Llc | Test dummy for a seat and device for testing a seat |
-
2021
- 2021-04-06 CN CN202110367110.1A patent/CN113029598A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040011150A1 (en) * | 1997-10-10 | 2004-01-22 | Reynolds Herbert M. | Design template |
| CN101354849A (en) * | 2007-07-27 | 2009-01-28 | 现代自动车株式会社 | Apparatus for adjusting position of vertebral column of dummy model for estimating feeling of sitting in seat |
| CN101383107A (en) * | 2007-09-05 | 2009-03-11 | 现代自动车株式会社 | Pelvis assembly for dummy model |
| JP2011098590A (en) * | 2009-11-04 | 2011-05-19 | Toyota Boshoku Corp | Seat for vehicle |
| CN202916064U (en) * | 2012-08-22 | 2013-05-01 | 湖南赛孚汽车科技有限公司 | Novel five-segment lumbar vertebra of automotive front collision dummy |
| US20160293060A1 (en) * | 2015-04-02 | 2016-10-06 | Humanetics Innovative Solutions, Inc. | Adjustable spine joint assembly for crash test dummy |
| CN104792545A (en) * | 2015-04-21 | 2015-07-22 | 湖南赛孚汽车科技有限公司 | Specification-adjustable dummy used for car crash testing |
| CN207785416U (en) * | 2017-04-27 | 2018-08-31 | 南通市第一人民医院 | A kind of spike pad carrying out angular adjustment |
| DE202018101657U1 (en) * | 2018-03-23 | 2019-06-27 | Adient Aerospace Llc | Test dummy for a seat and device for testing a seat |
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Application publication date: 20210625 |