CN108973813B - Vehicle door inner handle and boundary construction method thereof - Google Patents
Vehicle door inner handle and boundary construction method thereof Download PDFInfo
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- CN108973813B CN108973813B CN201710401361.0A CN201710401361A CN108973813B CN 108973813 B CN108973813 B CN 108973813B CN 201710401361 A CN201710401361 A CN 201710401361A CN 108973813 B CN108973813 B CN 108973813B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/02—Arrangements or adaptations of other passenger fittings, not otherwise provided for of hand grips or straps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
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Abstract
The invention provides a vehicle door inner handrail and a boundary construction method thereof, wherein the method comprises the steps of S1, acquiring human body structure size information; s2, calibrating the innermost position of the second plaque in the width direction of the vehicle and the minimum distance between the table top and the R point of the human body seat along the length direction of the vehicle; s3, determining the distance between the outer side of the human body elbow in the rotating state and the maximum three-coordinate direction of the R point of the human body seat, S4, determining the distance between the lower side of the human body elbow in the rotating state and the maximum three-coordinate direction of the R point of the human body seat, and calibrating the maximum position of the table top in the height direction of the vehicle by the distance H1 in the height direction of the vehicle; s5, calibrating the position of the table board in the height direction of the vehicle based on H1 and the minimum distance D1 between the table board and the R point of the human body seat in the length direction of the vehicle; and S6, constructing the vehicle door inner handrail. By adopting the method, the workload of reciprocating check during the construction of the door inner handrail can be effectively reduced, and the design accuracy of the door inner handrail is improved.
Description
Technical Field
The invention relates to the technical field of automobile component manufacturing, in particular to a method for constructing the boundary of an inner handrail of a vehicle door; meanwhile, the invention also relates to a vehicle door inner armrest obtained by the construction method.
Background
The existing vehicle door inner handrail is designed to be step-shaped in order to meet the use requirements of passengers, the main structure of the existing vehicle door inner handrail mainly comprises a table board extending towards the inside of a vehicle along the width of the vehicle, a first decorative board extending towards the top of the vehicle from the table board, and a second decorative board extending towards the bottom of the vehicle from the table board, wherein the first decorative board at the position in the width direction of the vehicle at least meets the interference-free rotation of the elbow of a human body in the vehicle, and the table board at least meets the support for the elbow of the human body. The sizes of the prior inner door handrails (elbow rests) are all output by various manufacturers, for example, the required Y-direction (namely along the vehicle width direction) distance of the front door handrail from the R point of the human body seat is 315mm, the Z-direction (namely along the vehicle height direction) height is 205mm according to 190-.
Disclosure of Invention
In view of the above, the present invention is directed to a method for constructing a boundary of an inner armrest of a vehicle door, so as to improve the accuracy of determining the boundary position of the inner armrest of the door and improve the efficiency.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method of constructing a boundary of a door inner rail for a vehicle, the method comprising locating an inner boundary of a stepped door inner rail, the door inner rail including a deck extending inwardly of the vehicle along a width of the vehicle, a first trim panel extending from the deck toward a top of the vehicle, and a second trim panel extending from the deck toward a bottom of the vehicle, the method comprising the steps of:
s1, acquiring the size information of the human body structure;
s2, determining the distance D1 of the second plaque from the R point of the human body seat along the width direction of the vehicle based on the width of the seat cushion so as to calibrate the innermost position of the second plaque along the width direction of the vehicle and the minimum distance of the table top from the R point of the human body seat along the length direction of the vehicle;
s3, determining the distance between the outer side of the human elbow in the rotating state and the R point of the human seat in the maximum three-coordinate direction based on the human structure size information, and calibrating the innermost position of the first plaque in the vehicle width direction by the distance D2 in the vehicle width direction;
s4, determining the distance between the lower side of the elbow of the human body and the R point of the seat of the human body in the maximum three-coordinate direction based on the information of the structure and the size of the human body, and calibrating the maximum position of the table top in the height direction of the vehicle by the distance H1 in the height direction of the vehicle;
s5, calibrating the position of the table-board in the height direction of the vehicle based on the distance H1 in the height direction of the vehicle and the minimum distance between the table-board and the R point of the human body seat in the length direction of the vehicle;
s6, constructing the vehicle door inner armrest;
wherein, the human seat R point is a seat design reference point.
Further, the human elbow turning state in the steps S3 and S4 is turned based on the turning state of the outermost point in the vehicle width direction of the human hand gripping the steering wheel.
Further, the human body structure size information in step S1 includes 95% -SAE human body structure information, and the 95% -SAE human body structure information indicates structure information of a 95 th percentile SAE dummy.
Further, in the step S2, the distance D1 in the vehicle width direction is equal to the seat cushion width/2 + X1+ X2, where X1 is the seat side knob width and X2 is the hand operation space value.
Further, in the step S3, the outermost point of the steering wheel in the vehicle width direction is used as the center of the sphere, the sphere formed by using the sum of the arm length and the wrist-to-hand grip distance as the radius is intersected with the sphere having the arm length as the radius to obtain the intersection of the two, the minimum point of the extreme value in the vehicle width direction of the intersection circle is made, the sphere is formed by using the elbow radius as the radius with the center of the point, the leftmost extreme point of the sphere is the point of the maximum three-coordinate direction of the outer side of the human body seat R point in the human body elbow rotation state, and the innermost position of the first trim panel in the vehicle width direction is calibrated by using the distance D2 of the point in the vehicle width direction.
Further, in step S4, the extreme method finds out a sphere formed by taking the lowest point of the steering wheel along the vehicle height direction as the center of sphere, taking the sum of the length of the small arm and the distance from the wrist to the hand as the radius, and joins the upper arm sphere with the shoulder end point of the 95% -SAE human body structure drawn in the digifax as the center of sphere and the length of the upper arm of the human body as the radius, finds out the leftmost extreme point on the intersection line of the two spheres by the extreme method, and forms a sphere with the point as the center and the elbow radius as the radius, and obtains the leftmost extreme point of the sphere, which is the point in the maximum three-coordinate direction of the lower side of the human body seat R point in the human body elbow rotation state, and calibrates the maximum position of the table top in the vehicle height direction by the distance H1 along the vehicle height direction, and the 95% -human body structure information represents the 95 th SAE pseudoman structure.
Further, in step S5, an extension plane extending in the vehicle width direction is formed with the minimum distance from the human body seat R point in the vehicle length direction as the separation distance from the human body seat R point, so as to obtain a ball intersection line of the plane and a ball on the upper arm of the human body, and at the same time, a projection of the human body trunk line on the extension plane is made, so as to obtain an intersection point of the projection line and the ball intersection line, and the position of the table in the vehicle height direction is calibrated with the distance H2 from the human body seat R point at the intersection point in the vehicle height direction.
Further, the human body structure size information in step S1 includes 50% -SAE human body structure information, and the 50% -SAE human body structure information indicates structure information of a 50 th percentile SAE dummy.
Further, in step S5, the 50% -SAE body structure information is used as the body structure size information, and the 50% -SAE body structure information represents the structure information of the 50 th percentile SAE dummy.
By adopting the boundary construction method of the vehicle door inner handrail, the workload of reciprocating check during the construction of the door inner handrail can be effectively reduced, and the design accuracy of the door inner handrail is improved.
The invention also provides a vehicle door inner armrest obtained by the vehicle door inner armrest boundary construction method.
The vehicle door inner handrail of the invention has the same effect as the vehicle door inner handrail boundary construction method, and the detailed description is omitted.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a positional relationship diagram of an armrest in a door of a driver's seat according to an embodiment of the present invention;
reference numerals:
in the figure, 101-the table top, 102-the first tile, 103-the second tile.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to better explain the construction method of the embodiment, taking the door inner handrail on the left side of a driving position as an example, as shown in fig. 1, the door inner handrail comprises a table top 101 extending towards the interior of the vehicle along the width of the vehicle (i.e. the Y direction of the vehicle), a first decorative plate 102 extending from the table top 101 towards the top of the vehicle along the height direction of the vehicle (i.e. the Z direction of the vehicle), and a second decorative plate 103 extending from the table top 102 towards the bottom of the vehicle along the height direction of the vehicle (i.e. the Z direction of the vehicle).
Further, it is to be noted that the human seat R point is a seat design reference point, and the X-direction distance referred to in the following description is a distance along the vehicle length direction; the Y-direction distance is the distance along the width direction of the vehicle; the Z-direction distance is a distance along the vehicle height direction. The distance in the three-coordinate direction refers to the distance in the X direction, the distance in the Y direction and the distance in the Z direction.
The construction method of the invention mainly comprises the following steps on the whole:
s1, acquiring the size information of the human body structure;
s2, determining the distance D1 of the second plaque from the R point of the human body seat along the width direction of the vehicle based on the width of the seat cushion so as to calibrate the innermost position of the second plaque along the width direction of the vehicle and the minimum distance of the table top from the R point of the human body seat along the length direction of the vehicle;
s3, determining the distance between the outer side of the human elbow in the rotating state and the R point of the human seat in the maximum three-coordinate direction based on the human structure size information, and calibrating the innermost position of the first plaque in the vehicle width direction by the distance D2 in the vehicle width direction;
s4, determining the distance between the lower side of the elbow of the human body and the R point of the seat of the human body in the maximum three-coordinate direction based on the information of the structure and the size of the human body, and calibrating the maximum position of the table top in the height direction of the vehicle by the distance H1 in the height direction of the vehicle;
s5, calibrating the position of the table-board in the height direction of the vehicle based on the distance H1 in the height direction of the vehicle and the minimum distance between the table-board and the R point of the human body seat in the length direction of the vehicle;
and S6, constructing the vehicle door inner handrail.
Since the driver 'S hand is holding the elbow of the steering wheel for unobstructed movement based on the in-door armrest for the driver' S seat shown in fig. 1, the human elbow turning state in steps S3 and S4 in this embodiment is turned based on the turning state of the outermost point of the steering wheel in the vehicle width direction held by the human hand.
Based on the above description of the overall process, in particular, the steps are as follows:
s1, acquiring the size information of the human body structure; in order to further ensure the general performance of the indoor armrest, in the present embodiment, the human body structure size information includes 95% -SAE human body structure information and 50% -SAE human body structure information, the 95% -SAE human body structure information indicates structure information of a 95 th percentile SAE dummy, and the 50% -SAE human body structure information indicates structure information of a 50 th percentile SAE dummy. The details are shown in the following table:
| item | 95% -SAE human body | 50% -SAE human body |
| Length from H point to shoulder axis | 480 | 442 |
| Distance of pivot point of upper arm | 376 | 334 |
| Length of upper arm of human body | 300 | 275 |
| Length of human forearm | 267 | 244 |
| Width of outer side of human arm | 485 | 431 |
| Diameter of elbow | 90 | 90 |
| Width at both elbow sides | 500 | 443 |
| Distance from wrist to hand grip | 81 | 75 |
| Elbow arm 90 degree bottom is set up high apart from seat | 239 | 214 |
| R point distance seat cushion height | 96 | 80 |
| Hip width in sitting position | 395 | 360 |
S2, a distance D1 in the vehicle width direction is calculated by correlating the minimum seat width of 400 as required by the country GB7258, and based on the distance D1 in the vehicle width direction, which is seat cushion width/2 + X1+ X2, where X1 is the seat side knob width and X2 is the hand operation space value, the distance D1 in the vehicle width direction, which is 400/2+35 (seat side knob width) + 45-60 (hand operation space value), is 280-295 mm.
Therefore, a static gap of 280-295 mm needs to be reserved between the door trim board and the side face of the seat, the innermost Y-direction design of the door trim board is reasonable above 280mm, the Y-direction design is used as the minimum requirement of the 95% R point of the human seat and the side direction of the door trim board, the Y-direction distance between the second trim board 103 and the R point of the human seat is also the minimum reasonable Y-direction distance between the door trim board at the lower part of the elbow support, namely the second trim board 103 and the innermost position of the vehicle in the width direction.
And S3, building a human body model on the seat, and simplifying the human body model based on the fact that the relative movement of the steering wrist and the forearm is small, so that the steering wrist and the forearm are fixed on the same straight line.
And (4) making the center of the steering wheel and the outer diameter edge of the steering wheel, and finding out the leftmost point in the Y direction of the steering wheel by using the extreme value, wherein the leftmost point in the Y direction of the steering wheel is the leftmost point in the hand holding.
Taking the point as the center of sphere, taking the sum of the length of the forearm and the distance from the wrist to the hand to be 348mm as the radius to form a sphere, crossing the sphere with the length of the forearm 300 as the radius to obtain the intersection line of the two, and making the extreme value point in the vehicle width direction of the intersection line circle, wherein the point is the leftmost point of the elbow center; and forming a sphere by taking the point as a center and the elbow radius 45 as a radius to obtain the leftmost extreme point of the sphere, namely the closest point of the elbow in contact with the door trim panel in the dynamic steering process, wherein the point is a larger point which is referred to when the door trim panel is designed and is away from the R point of the human seat, namely a point in the maximum three-coordinate direction of the outer side of the human elbow in the rotating state away from the R point of the human seat, and the Y-direction distance D2 of the point away from the R point of the human seat is 347.5 mm.
S4, similarly, in a manner similar to that of step S3, the distance of the lower side in the human elbow turning state from the maximum three-coordinate direction of the point R of the human seat is determined. Specifically, the extreme value method finds the lowest point in the Z direction of the steering wheel, which is also the lowest point of the actual operation, and draws a ball with 348 as a radius using this point as the center of the ball in order to find the elbow position at the lowest position of the steering wheel operated by the arm. The lowest point of the hand is used as a radius to draw a ball with 348 as the radius, 95 percent of the end points of the human shoulder drawn in the digital model are used as the center of the ball, the radius is 300 to draw an upper arm ball, and the intersection line of the two balls is made. And finding a leftmost point on an intersection line of the two balls by using an extreme value method, wherein the leftmost point is the leftmost point of the elbow position which is firstly experienced when the lowest position is held by a hand in the steering process of the steering wheel, finding out the actual leftmost extreme point of the elbow by using the leftmost point as the center of the ball, drawing a ball with the radius of 45, and making the leftmost point of the ball by using the extreme value method, wherein the leftmost point is a point in the maximum three-coordinate direction of the lower side of the human elbow in the rotating state from the R point of the human seat, and the X-direction distance, the Y-direction distance and the Z-direction distance from the R point of the human seat are measured to be 91mm, 278.7mm and 324.4mm respectively.
As the above steps S3, S4 are derived for 95% -SAE body structure information, the results of steps S3, S4 are obtained for 50% -SAE body structure information in the same way, and the results are shown in the following table:
as can be seen from the data in the table, in order to prevent the door trim from hitting the elbow during steering, the Y-direction distance of the door trim from the outer edge of the steering wheel is not less than 154.9mm (95% of human body), which is determined as 155mm, and the Y-direction distance of the first trim 102 from the R point of the human seat is not less than 347.5, which is determined as 348 mm.
S5, in order to meet the requirement that the height of the seat and the front-back adjustment requirement are not more than 279mm under the control of a certain vehicle width, the Z-direction height of the table board 101 from the R point of the human seat cannot be more than 279mm, the distance from the X-direction R point of the human seat is more than 280mm, and the elbow interference condition caused by steps cannot occur in the limit. Therefore, on a digital model, an extension plane extending along the width direction of the vehicle, namely a Y plane, is made, the distance between the Y plane and the R point of the human seat is 280mm, intersection lines of the Y plane and 95% -SAE human bodies and 50% -SAE human body upper arm balls are made respectively, projections of human body trunk lines on the Y plane are made, intersection points of the projection lines and the intersection lines of the balls are respectively worked out, the distance between the projection lines and the R point of the human seat is measured, the Z-direction height of the Z-direction height is determined, the height value is the highest height of the table top, the result is that the height of 95% -SAE human body steps is 180.3mm, the height of 50% -SAE human body steps is 173.3mm, and the height of the table top from the R point of the human seat is more.
S6, constructing the vehicle door inner handle, and drawing the upper boundary, the lower boundary and the front door handle step boundary of the front door inner handle board according to the above results, wherein the X-direction inclination of the table top is good to be parallel with the seat, generally within 5 degrees, the inclination in the Y direction of the table top is better or not as small as possible, and the round angle of the step is good to be realized by the process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method of constructing a boundary of a door inner rail for a vehicle, which constitutes a position determination of an inner boundary of a stepped door inner rail including a floor surface extending inward of a vehicle along a width of the vehicle, a first trim panel extending from the floor surface toward a top of the vehicle, and a second trim panel extending from the floor surface toward a bottom of the vehicle, the method comprising the steps of:
s1, acquiring the size information of the human body structure;
s2, determining the distance D1 of the second plaque from the R point of the human body seat along the width direction of the vehicle based on the width of the seat cushion so as to calibrate the innermost position of the second plaque along the width direction of the vehicle and the minimum distance of the table top from the R point of the human body seat along the length direction of the vehicle;
s3, determining the distance between the outer side of the human elbow in the rotating state and the R point of the human seat in the maximum three-coordinate direction based on the human structure size information, and calibrating the innermost position of the first plaque in the vehicle width direction by the distance D2 in the vehicle width direction;
s4, determining the distance between the lower side of the elbow of the human body and the R point of the seat of the human body in the maximum three-coordinate direction based on the information of the structure and the size of the human body, and calibrating the maximum position of the table top in the height direction of the vehicle by the distance H1 in the height direction of the vehicle;
s5, calibrating the position of the table-board in the height direction of the vehicle based on the distance H1 in the height direction of the vehicle and the minimum distance between the table-board and the R point of the human body seat in the length direction of the vehicle;
s6, constructing the vehicle door inner armrest;
wherein, the human seat R point is a seat design reference point.
2. The vehicle door inner armrest boundary construction method of claim 1, wherein the human elbow turning state in step S3 and step S4 is turned based on a turning state in which a human hand holds an outermost point of the steering wheel in the vehicle width direction.
3. The vehicle door inner rail boundary construction method as set forth in claim 2, wherein: the human body structure size information in step S1 includes 95% -SAE human body structure information, and the 95% -SAE human body structure information indicates structure information of the 95 th percentile SAE dummy.
4. The vehicle door inner armrest boundary construction method of claim 3, wherein: in step S2, the distance D1 in the vehicle width direction is equal to the seat cushion width/2 + X1+ X2, where X1 is the seat side knob width and X2 is the hand operation space value.
5. The method for constructing a boundary of an armrest inside a door of a vehicle as claimed in claim 3, wherein the step S3 is performed by taking an outermost point of the steering wheel in the vehicle width direction as a center of sphere, forming a sphere with a radius of a sum of a length of a forearm and a wrist-to-grip distance, and intersecting the sphere with the length of the forearm as a radius to obtain an intersection of the two, making a minimum point of a left extreme in the vehicle width direction of the intersection circle, forming a sphere with an elbow radius as a radius with the center of the point, obtaining a leftmost extreme point of the sphere as a point in a maximum three-coordinate direction of an outer side of the human elbow in a rotated state from the R point of the human seat, and calibrating the innermost position of the first trim panel in the vehicle width direction with a distance D2 of the point in the vehicle width direction.
6. The method for constructing the boundary of the armrest inside the vehicle door as claimed in claim 3, wherein in step S4, the extreme method finds out the lowest point of the steering wheel along the height direction of the vehicle as the center of sphere, and the sphere formed by taking the sum of the length of the small arm and the distance from the wrist to the hand as the radius, and intersects the shoulder end point of the 95% -SAE human body structure drawn in the digital model as the center of sphere and the upper arm sphere with the length of the upper arm of the human body as the radius, and finds out the leftmost extreme point on the intersection of the two spheres by taking the point as the center and the elbow radius as the radius to form the sphere, and obtains the leftmost extreme point of the sphere, which is the maximum three-coordinate position of the lower side of the human body in the elbow rotation state from the R point of the seat, and calibrates the maximum position of the table top in the height direction of the vehicle by the distance H1 along the height direction; the 95% -SAE human structure represents the 95 th percentile SAE dummy structure.
7. The method of claim 3, wherein the step S5 is performed by forming an extension plane extending in the vehicle width direction with the minimum distance between the table top and the R point of the human body seat along the vehicle length direction as a distance apart from the R point of the human body seat to obtain a spherical intersection line of the plane and the ball on the upper arm of the human body, and simultaneously performing projection of the human body trunk line on the extension plane to obtain an intersection point of the projection line and the spherical intersection line, and calibrating the position of the table top in the vehicle height direction with the distance H2 between the intersection point and the R point of the human body seat along the vehicle height direction.
8. The vehicle door inner armrest boundary construction method of claim 7, wherein: the human body structure size information in step S1 includes 50% -SAE human body structure information, and the 50% -SAE human body structure information indicates structure information of the 50 th percentile SAE dummy.
9. The vehicle door inner armrest boundary construction method of claim 8, wherein: in the step S5, 50% -SAE human body structure information is used as human body structure size information, and the 50% -SAE human body structure information represents structure information of the 50 th percentile SAE dummy.
10. A vehicle door inner armrest, characterized in that: the vehicle door inner rail is obtained by the vehicle door inner rail boundary construction method according to any one of claims 1 to 9.
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| CN201710401361.0A CN108973813B (en) | 2017-05-31 | 2017-05-31 | Vehicle door inner handle and boundary construction method thereof |
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| CN201710401361.0A CN108973813B (en) | 2017-05-31 | 2017-05-31 | Vehicle door inner handle and boundary construction method thereof |
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| CN108973813B true CN108973813B (en) | 2020-04-10 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58164446A (en) * | 1982-03-25 | 1983-09-29 | Nissan Motor Co Ltd | Door trim construction equipped with crip and arm rest |
| JP3707661B2 (en) * | 1999-10-19 | 2005-10-19 | スズキ株式会社 | Armrest structure of door trim |
| EP1553880A2 (en) * | 2002-10-24 | 2005-07-20 | Stephen L. Tillim | Handle for forceps/tweezers and method and apparatus for designing the like |
| CN201703291U (en) * | 2010-05-11 | 2011-01-12 | 浙江吉利汽车研究院有限公司 | Interior handrail of automobile door |
| US8544937B2 (en) * | 2011-06-24 | 2013-10-01 | Ford Global Technologies, Llc | Grab handle assembly for a vehicle having telescopingly collapsible supports |
| US9216675B2 (en) * | 2014-04-15 | 2015-12-22 | Ford Global Technologies, Llc | Vertically adjustable ergonomic armrest for automobile |
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