CN113297682B - Method for checking vehicle door passing - Google Patents
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- CN113297682B CN113297682B CN202110733718.1A CN202110733718A CN113297682B CN 113297682 B CN113297682 B CN 113297682B CN 202110733718 A CN202110733718 A CN 202110733718A CN 113297682 B CN113297682 B CN 113297682B
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- 239000003973 paint Substances 0.000 description 1
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Abstract
The invention discloses a checking method for vehicle door passing, which inputs checking conditions as follows: a hinge axis L1, a door lock meshing point P1 and an outer door panel; the passing door lock engaging point P1 is a plane S1 perpendicular to the hinge axis, the plane S1 intersects the hinge axis at a point P2, and the plane S1 intersects the outer panel of the vehicle door to form a curve L2; drawing an extreme point (X-direction maximum value) P3 in the X direction on L2, taking P2 as the center of a circle, drawing a circle C1 through the P3 point, taking P3 as the center of a circle, drawing a circle C2 with the radius R of 8mm, intersecting the circle C2 and the circle C1 at two points, selecting a point P4 in the closing direction of the vehicle door, taking a hinge shaft L1 as a rotation axis, and rotating the vehicle door assembly from the point P3 to the position of a point P4; checking the clearance between the door assembly and the peripheral parts at the over-close position A, wherein the clearance is required to be more than 0. The invention determines the over-close quantity through the relative relation of the vehicle door hinge, the vehicle door lock and the vehicle door outer plate, then rotates the whole vehicle door to the over-close position, and the position simulates the over-close working condition of the vehicle door and checks whether the clearance between the vehicle door and the peripheral parts meets the requirement.
Description
Technical Field
The invention relates to a method for checking the passing of a vehicle door, which is suitable for a structural engineer to use, wherein the passing amount is determined by the relative relationship of a vehicle door hinge, a vehicle door lock and a vehicle door outer plate, then the whole vehicle door is rotated to a passing position, and the position simulates the passing working condition of the vehicle door, so that whether the clearance between the vehicle door and peripheral parts (side walls, decorative parts and the like) meets the requirement is checked.
Background
The speed of the car door is generally less than 2 m/s when the car door is normally closed, the speed can be more than 4 m/s under violent door closing and other working conditions (wind power and slope), and the car door can further move along the closing direction at the moment so as to collide with peripheral parts, thus causing the faults of paint collision or part damage and the like; the excessive closing working condition of the vehicle door generally needs the real vehicle to carry out large load (heavy door closing) evaluation, and the collision problem in the real vehicle stage is generally difficult to solve.
The vehicle door is also subjected to simulation analysis through CAE, but the CAE analysis is limited by the CAE modeling precision and the like of parts such as sealing strips, door locks, buffer blocks and the like at present, the analysis result is not accurate, and the method is not suitable for structural engineers to quickly find problems.
Patent document 1(CN108058581B) discloses a method for checking vehicle door parting and a method for designing a vehicle door, which relate to the field of vehicle design, and the method for checking vehicle door parting comprises the steps of determining a vehicle door hinge axis and a vehicle door maximum opening angle; determining a limit region of a front section of a door parting line based on the door hinge axis and the door maximum opening angle; determining a front section of a door parting line according to aesthetic requirements and the limit area; determining the lower section and the rear section of the parting line, and trimming the lower section, the rear section and the front section determined in the previous step to form the complete vehicle door parting line. The method for checking the vehicle door parting relieves the technical problem that the vehicle door body which is subjected to modeling design often interferes in movement in the prior art.
Patent document 2(CN104462699B) discloses a motion checking method based on CATIA cross-section, including: assembling a part to be checked, a side wall assembly and an interference checking part into a product component; building a carrier component in the product assembly, and building a first auxiliary surface and a second auxiliary surface on the carrier component; projecting the product assembly on the first auxiliary surface to obtain an assembly projection surface; in the projection plane of the component, sectioning the parting along the direction vertical to the axis of the hinge, and projecting the structure at the sectioning position on a second auxiliary plane to obtain a parting sectional view; in a parting section diagram, moving the projection of the interference checking component by a preset tolerance distance along the direction of the minimum parting distance and the direction vertical to the parting; rotating the part to be checked to the maximum opening angle by taking the center of the hinge as an original point to form a boundary trajectory line; and measuring the minimum distance between the boundary trajectory line and the projection of the interference checking component, and judging whether the minimum distance is within a preset range. The method has higher precision for checking the movement of the four doors and the two covers.
Patent document 3(CN104462699B) discloses a door hinge, and particularly relates to a door hinge arrangement method. The method for arranging the hinges of the inward turning type vehicle door comprises the steps of determining the positions of the hinges, determining the inclination angles of the axes of the hinges and checking the limit movement of the hinges. The outward turning type vehicle door hinge arrangement method comprises the steps of hinge position determination, hinge axis inclination angle determination and hinge limit movement check. The invention has the advantages of accurately positioning the hinge, realizing the quick positioning of the vehicle door hinges with different sizes, determining the inclination angle of the hinge axis and checking the limit movement of the hinge, ensuring the accurate installation of the vehicle door hinge and the like.
Disclosure of Invention
The invention provides a method for checking vehicle door passing, which aims to solve the technical problems that CAE analysis is limited by the CAE modeling precision and the like of parts such as sealing strips, door locks, buffer blocks and the like when the existing vehicle door passing is subjected to analog analysis through CAE, the analysis result is not accurate, and the method is not suitable for structural engineers to quickly find problems.
The purpose of the invention is realized by the following technical scheme:
a method for checking vehicle door passing comprises the following steps:
step one, inputting checking conditions: a hinge axis L1, a door lock meshing point P1 and an outer door panel;
secondly, adding a vehicle door assembly checking condition in the checking condition;
determining the over-close amount through the relative relation among the vehicle door hinge, the vehicle door lock and the vehicle door outer plate, and then rotating the vehicle door assembly to the over-close position to check the vehicle door;
and step four, checking the clearance between the vehicle door assembly and the peripheral parts at the over-close position A, wherein the clearance is required to be larger than 0.
Further, the second step specifically includes: the door lock engagement point P1 defines a plane S1 perpendicular to the hinge axis; plane S1 intersects the hinge axis at a point P2; the plane S1 intersects the door outer panel to form a curve L2.
Further, the second step specifically includes: an extreme point P3 in the X direction is made on L2; taking P2 as the center of a circle, and making a circle C1 through a point P3; taking P3 as the center of a circle, making a circle C2; the circle C2 intersects the circle C1 at two points, and a point P4 in the closing direction of the vehicle door is selected; the door assembly is rotated from point P3 to point P4 about hinge axis L1.
Further, the extreme point in the X direction is a maximum value in the X direction.
Further, the radius R of the circle C2 is 8 mm.
The invention has the following advantages:
the invention provides a method for checking vehicle door passing, which is suitable for checking in a data design stage, wherein the passing amount is determined by the relative relation of a vehicle door hinge, a vehicle door lock and a vehicle door outer plate, and then the whole vehicle door is rotated to a passing position which simulates the passing working condition of the vehicle door, so that whether the clearance between the vehicle door and peripheral parts (side walls, decorative parts and the like) meets the requirements or not is checked, and the method is used for checking all rotating vehicle doors.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic diagram of an input condition of a step I in a vehicle door passing checking method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating check point settings in the step of a method for checking vehicle door passing according to an embodiment of the present invention;
FIG. 3 is a schematic view of the third rotation check in the method for checking vehicle door passing according to the embodiment of the present invention;
fig. 4 is a flowchart of a method for checking whether a vehicle door has passed through a closing state according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
A method for checking vehicle door passing comprises the following steps:
step one, inputting checking conditions: a hinge axis L1, a door lock meshing point P1 and an outer door panel;
step two, adding a vehicle door assembly checking condition in the checking condition: the passing door lock engaging point P1 is a plane S1 perpendicular to the hinge axis, the plane S1 intersects the hinge axis at a point P2, and the plane S1 intersects the outer panel of the vehicle door to form a curve L2;
determining the over-close amount through the relative relation of the vehicle door hinge, the vehicle door lock and the vehicle door outer plate, and then rotating the vehicle door assembly to the over-close position to check the vehicle door: making an extreme point (X-direction maximum value) P3 in the X direction on L2, taking P2 as a center of a circle, making a circle C1 through the P3 point, taking P3 as a center of a circle, making a circle C2 with the radius R of 8mm, wherein the circle C2 intersects with the circle C1 at two points, selecting a point P4 in the closing direction of the vehicle door, and taking a hinge shaft L1 as a rotation axis to rotate the vehicle door assembly from the point P3 to the point P4;
and step four, checking the clearance between the vehicle door assembly and the peripheral parts at the over-close position A, wherein the clearance is required to be larger than 0.
Example 1
As shown in fig. 1 to 4, a method for checking vehicle door passing includes the following steps:
step 2, making the door lock engaging point P1 as a plane S1 perpendicular to the hinge axis;
step 3, the plane S1 intersects the hinge axis at a point P2;
step 4, intersecting the plane S1 and the outer plate of the vehicle door to form a curve L2;
step 5, making an extreme point (X-direction maximum value) P3 in the X direction on L2;
step 6, taking P2 as a circle center, and making a circle C1 through a point P3;
step 7, taking the P3 as a circle center, and making a circle C2 with the radius R of 8 mm;
step 8, intersecting the circle C2 and the circle C1 at two points, and selecting a point P4 in the closing direction of the vehicle door;
step 9, taking the hinge shaft as a rotation axis, and rotating the vehicle door assembly from a point P3 to a point P4;
step 10, outputting: checking the clearance between the vehicle door assembly and the peripheral parts, wherein the clearance is required to be more than 0.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A method for checking vehicle door passing is characterized by comprising the following steps:
step one, inputting checking conditions: a hinge axis L1, a door lock meshing point P1 and an outer door panel;
step two, adding a vehicle door assembly checking condition in the checking condition: the door lock engagement point P1 defines a plane S1 perpendicular to the hinge axis; plane S1 intersects the hinge axis at a point P2; the plane S1 intersects with the outer panel of the door to form a curve L2;
determining the over-close amount through the relative relation of the vehicle door hinge, the vehicle door lock and the vehicle door outer plate, and then rotating the vehicle door assembly to the over-close position to check the vehicle door: an extreme point P3 in the X direction is made on L2, and the extreme point P3 is the maximum value in the X direction; taking P2 as the center of a circle, and making a circle C1 through a point P3; taking P3 as the center of a circle, making a circle C2, wherein the radius R of the circle C2 is 8 mm; the circle C2 and the circle C1 intersect at two points, and a point P4 in the closing direction of the vehicle door is selected; rotating the door assembly from the point P3 to the point P4 by taking the hinge shaft L1 as a rotation axis;
and step four, checking the clearance between the vehicle door assembly and the peripheral parts at the over-close position A, wherein the clearance is required to be larger than 0.
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| CN202110733718.1A CN113297682B (en) | 2021-06-30 | 2021-06-30 | Method for checking vehicle door passing |
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| CN202110733718.1A CN113297682B (en) | 2021-06-30 | 2021-06-30 | Method for checking vehicle door passing |
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| CN113297682B true CN113297682B (en) | 2022-09-20 |
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| CN113868756B (en) * | 2021-08-31 | 2024-05-28 | 东风汽车集团股份有限公司 | Method for determining position of hinge shaft of back door |
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| CN103608540A (en) * | 2011-06-24 | 2014-02-26 | 白木工业株式会社 | Closure mechanism for vehicle door |
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Address after: 130012 no.4888, Yushan Road, Changchun high tech Development Zone, Jilin Province Patentee after: FAW Besturn Automotive Co.,Ltd. Country or region after: China Address before: No. 4888, Yushan Road, Changchun high tech Industrial Development Zone, Changchun City, Jilin Province Patentee before: FAW Pentium Car Co.,Ltd. Country or region before: China |