KR101593518B1 - Side collision test apparatus for door trim of automobile - Google Patents

Side collision test apparatus for door trim of automobile Download PDF

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Publication number
KR101593518B1
KR101593518B1 KR1020140155930A KR20140155930A KR101593518B1 KR 101593518 B1 KR101593518 B1 KR 101593518B1 KR 1020140155930 A KR1020140155930 A KR 1020140155930A KR 20140155930 A KR20140155930 A KR 20140155930A KR 101593518 B1 KR101593518 B1 KR 101593518B1
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KR
South Korea
Prior art keywords
block
door trim
test jig
concave groove
screw
Prior art date
Application number
KR1020140155930A
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Korean (ko)
Inventor
김종수
Original Assignee
주식회사 서연이화
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Priority to KR1020140155930A priority Critical patent/KR101593518B1/en
Application granted granted Critical
Publication of KR101593518B1 publication Critical patent/KR101593518B1/en

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

According to an embodiment, a side collision test apparatus for a door trim of an automobile comprises: a test jig; a first and a second block unit which is coupled to the test jig to support the left and right side of the door trim; a third block unit which is coupled to the test jig to support the bottom surface of the door trim, wherein the door trim can be detachably fixated by coupling with screws to a mounting groove which is formed on the first to the third block units.

Description

[0001] The present invention relates to a side collision test apparatus for door trim,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automotive door trim, and more particularly to a side impact test apparatus for internal parts used for door trim.

In general, the collision test is used to measure the durability of a vehicle or the safety of a passenger while maintaining the same condition as the actual driving environment. Since the collision test is performed using a vehicle actually manufactured, have. The collision test is divided into various types according to the angle of collision of the vehicle such as the front impact test and the side collision test. In the test vehicle, a number of sensors are mounted on a human body model called a dummy, The degree of injury of the vehicle occupant can be predicted.

Car makers carry out side impact tests in development stages (F1 ~ SOP) and focus on the door trim edge (SHARP EDGE) that occurs during side impact. The sharp edge is most important because it not only injures the occupant but also can lead to immediate death. However, even if the Sharp edge problem is solved and the retest is performed, the vehicle side impact test is costly, and if the test is wrong due to a mistake, it is very expensive and time consuming.

Korean Patent Laid-Open No. 10-2011-0096299 (published on Aug. 30, 2011) discloses a jig that takes into consideration the amount of intrusion of an automobile from the outside to the inside of a vehicle by side collision, and mounts a door trim on the jig cradle A vehicle lateral impact test method using only a door trim that impacts a door trim by using a loader has been proposed.

In the case of such an apparatus, a wooden block is formed of a plywood made of MDF material in a jig for testing a door trim, and a plurality of screws are fastened and fixed so as to pass through the door trim when the door trim is fixed to the wooden block . Therefore, since the wooden block is damaged after the test, it is difficult to use it. Therefore, it is troublesome to fix the new wooden block to the jig.

Further, since the screws must be inserted through the door trim, if the door trim is damaged during the fixing of the jig, accurate test results can not be obtained.

Korean Patent Laid-Open No. 10-2011-0096299 (Published on Aug. 30, 2011)

The present embodiment is conceived in view of the above points and provides an automotive door trim side impact test apparatus which can be repeatedly used and is easy to mount and detach the door trim.

The automotive door trim side impact test apparatus according to the present embodiment includes a test jig; First and second block units coupled to the test jig to support the left and right sides of the door trim; And a third block unit coupled to the test jig and supporting a bottom surface of the door trim, wherein the door trim is screwed into a seating groove formed in the first, second, and third block units, have.

The first block unit includes a first block supporting one side of the door trim; Second and third blocks coupled to the upper and lower sides of the first block, respectively; And a first base frame coupled to a lower side of the first block and coupling the first block to the test jig.

The first block may include a first concave groove portion formed on one side wall of the door trim, the first concave groove portion facing the door trim so that one side of the door trim may be inserted into the first block. And a plurality of first screw connection holes formed at a position adjacent to the first concave groove portion so as to communicate with the first concave groove portion; And a second screw fastening hole which is formed at a position spaced apart from the first screw fastening hole by a distance so as not to interfere with the first concave fastening portion and which fastly couples the first block to the first base frame and the test jig, Holes.

The second block unit includes a fourth block supporting the other side of the door trim; Fifth and sixth blocks coupled to the upper and lower sides of the fourth block, respectively; And a second base frame coupled to a lower side of the fourth block and coupling the fourth block to the test jig.

In this case, the fourth block may include a second concave groove portion formed on a side wall facing the door trim so that one side of the door trim may be inserted and coupled; And a plurality of third screw connection holes formed at a position close to the first concave groove portion so as to communicate with the second concave groove portion; And a fourth screw fastening hole formed at a position spaced apart from the third screw tightening hole by a distance so as not to interfere with the first concave groove and fixedly coupling the fourth block to each of the second base frame and the test jig, Holes.

The third block unit includes a seventh block for supporting the bottom surface of the door trim; And a third base frame coupled to a lower side of the seventh block and coupling the seventh block to the test jig.

The seventh block includes a third concave groove portion formed on one side wall facing the door trim so that one side of the door trim is inserted and coupled; And a plurality of fifth screw connection holes formed at a position adjacent to the third concave groove portion so as to communicate with the third concave groove portion; And a sixth screw tightening member which is formed at a position spaced apart from the fifth screw tightening hole by a predetermined distance so as not to interfere with the third concave groove portion and which fixes the seventh block to each of the third base frame and the test jig, Holes.

The first and second block units may be symmetrically arranged in the same shape.

The first to third block units may be formed of a metal material.

The plurality of fastening members for fastening the first to third block units to the test jig may all be formed in the same standard.

According to the present embodiment as described above, the test jig for impact test of the door trim is provided with the fixing block which can be repeatedly used, so that it is possible to firmly fix the door trim by fastening the screw bolts.

Further, since the left and right side surfaces and the bottom surface of the door trim can be fixed by using the fixed block, it is possible to prevent the door trim from being detached from the test jig during the impact test using the loader.

In addition, since the tibia portion of the door trim can be fastened to the fixed blocks without damaging it, the damage that may occur during the jig fixing process of the door trim can be minimized, and more accurate door trim impact test is possible.

1 is a front view of an automotive door trim side impact test apparatus according to the present embodiment,
Fig. 2 is a perspective view of Fig. 1,
Fig. 3 is a sectional view of Fig. 1,
FIG. 4 is a view showing a state in which a door trim is removed in an automotive door trim side impact test apparatus according to the present embodiment.
5 is a perspective view showing a bottom surface fixing block of the automotive door trim side impact test apparatus according to the present embodiment,
Fig. 6 is a front view of Fig. 5,
Fig. 7 is a side sectional view of Fig. 5; Fig.

Hereinafter, an automotive door trim side impact test apparatus according to the present embodiment will be described with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

On the other hand, terms including an ordinal number such as a first or a second may be used to describe various elements, but the constituent elements are not limited by the terms, and the terms may refer to a constituent element from another constituent element It is used only for the purpose of discrimination.

Fig. 1 is a front view of an automotive door trim side impact test apparatus according to the present embodiment, Fig. 2 is a perspective view of Fig. 1, Fig. 3 is a sectional view of Fig. Fig. 5 is a perspective view showing a bottom surface fixing block of the automotive door trim side impact test apparatus according to the present embodiment, Fig. 6 is a front view of Fig. 5, and Fig. Is a side sectional view of Fig.

The automotive door trim side impact test apparatus 100 according to the present embodiment may include a test jig 110, a first block unit 120, a second block unit 130 and a third block unit 140 The first to third block units 120 to 140 may support the left and right side surfaces and the bottom surface of the door trim 10.

The door trim 10 may be formed of an injection material made of a resin material provided inside the automobile, and a seat part for assembling the door handle, the speaker, the map pocket, etc. may be integrally formed.

The test jig 110 can use the conventional structure described in the above-mentioned prior art document information, etc., and can open an opening at the center so as to add a side impact to the door trim 10 Can be provided.

The first block unit 120 is fixedly coupled to the test jig 110 and includes a first block 121 for supporting one side wall of the door trim 10 as shown in FIGS. 1 and 2, A second block 122, a third block 123, and a first base frame 124.

The first block 121 may be provided in a column shape having a substantially hexahedral shape. The first block 121 may have a structure capable of supporting one side of the door trim 10. The first block 121 may have a structure capable of supporting one side of the door trim 10. The first block 121 may be connected to the first screw connection hole 120a, And may include a hole 120b.

As shown in FIG. 3, the first concave groove 121a may have a groove having a predetermined width along the longitudinal direction of the first block 121. Inside the first concave groove 121a, One side of the trim 10 can be inserted and fixed.

At this time, a first screw coupling hole 120a may be formed through the exposed upper surface of the first block 121, and the first screw coupling hole 120a may communicate with the first concave groove portion 121a And may be formed to be perpendicular to the first concave groove 121a.

The second screw coupling hole 120b is formed at a position spaced apart from the first screw coupling hole 120a by a predetermined distance so as not to interfere with the first concave groove 121a, May be fixedly coupled to the first base frame 124 and the test jig 110, respectively, which will be described later.

The second and third blocks 122 and 123 may be coupled to the upper and lower sides of the first block 121, respectively. The second and third blocks 122 and 123 may be formed so that the engagement portion with the first block 121 has a concavo-convex structure so that the second and third blocks 122 and 123 are not deviated in the longitudinal direction. At this time, the mutually coupled portions of the second and third blocks 122 and 123 and the first block 121 are formed to have a complementary shape and can be connected through the fitting engagement. According to the present embodiment, protrusions having a substantially T shape are formed on the second and third blocks 122 and 123, and corresponding grooves are formed at corresponding positions of the first block 121 .

The first base frame 124 may be disposed at the lower end of the first block 121 and may be coupled to the first block 121 by a fastening member passing through the second screw connection hole 120b formed in the first block 121. [ 121 to the test jig 110. As shown in Fig. At this time, the size of the first base frame 124 may be larger than that of the first block 121. 4, the first base frame 124 is formed to have a length corresponding to that of the first block 121, and a portion coupled with the test jig 110 has a wider width The wing portion may further include a wing portion.

The second block unit 130 may be disposed on the other side of the first block unit 120 and may support the other side of the door trim 10. The second block unit 130 may include a fourth block 131, a fifth block 132, a sixth block 133, and a second base frame 134.

The second block unit 130 is fixed to the test jig 110 and includes a fourth block 131 for supporting one side wall of the door trim 10 as shown in FIGS. 1 and 2, A second block 132, a sixth block 133, and a second base frame 134.

The fourth block 131 may be provided in a columnar shape having a substantially hexahedral shape. The fourth block 131 may have a structure capable of supporting one side of the door trim 10. The fourth block 131 may include a second concave groove portion (not shown), a third screw tightening hole 130a, And may include a fastening hole 130b. At this time, the second recessed groove portion may be configured in the same manner as the first recessed groove portion 121a shown in FIG.

At this time, a third screw tightening hole 130a may be formed through the exposed upper surface of the fourth block 131. The third screw tightening hole 130a may be formed to penetrate through the second concave groove portion But may be formed to be perpendicular to the second concave groove portion.

The fourth screw coupling hole 130b is formed at a position spaced apart from the third screw coupling hole 130a by a predetermined distance so as not to interfere with the second concave groove portion, To the second base frame 134 and the test jig 110, respectively.

The fifth and sixth blocks 132 and 133 may be coupled to the upper and lower sides of the fourth block 131, respectively. The fifth and sixth blocks 132 and 133 may be formed so that the engagement portion with the fourth block 131 has a concave-convex structure so that the fifth and sixth blocks 132 and 133 are not deviated in the longitudinal direction. At this time, the mutually coupled portions of the fifth and sixth blocks 132 and 133 and the fourth block 131 are formed to have a complementary shape and can be connected through the fitting engagement. According to this embodiment, protrusions of a substantially T shape are formed on the fifth and sixth blocks 132 and 133, and corresponding grooves are formed in corresponding positions of the fourth block 131 .

The second base frame 134 may be disposed at the lower end of the fourth block 131 and may be coupled to the fourth block 131 by a fastening member passing through the fourth screw connection hole 130b formed in the fourth block 131. [ The test jig 110 may be fixedly coupled to the test jig 110 together with the test jig 131. At this time, the size of the second base frame 134 may be larger than that of the fourth block 121. 4, the second base frame 134 is formed to have a length corresponding to that of the fourth block 131, and a portion coupled with the test jig 110 has a wider width The wing portion may further include a wing portion.

The third block unit 140 may include a seventh block 141 and a third base frame 144 to support the floor of the door trim 10, as shown in FIGS.

The seventh block 141 may include a third concave groove 141a and fifth and sixth screw holes 140a and a third base frame 144 as shown in Figures 5 to 7 .

The third concave groove 141a may be formed on one side wall of the seventh block 141 facing the door trim 10 so that one side of the door trim 10 is inserted and engaged. The shape of the third concave groove portion 141a may be formed to correspond to the first concave groove portion 121a mentioned above. That is, the first to third concave groove portions 121a and 141a are formed to have a width wider than the end portion thickness of the door trim 10 inserted into the first to third concave groove portions 121a and 141a, The end of the door trim 10 can be inserted without interfering with the inner surface of the door trim 141a.

The fifth screw coupling hole 140a may be formed to be in communication with the third concave groove portion 141a at a position close to the third concave groove portion 141a and the sixth screw coupling hole 140a may be formed in the third concave groove portion 141a, And the seventh block 141 is spaced apart from the screw hole 140a by a predetermined distance so as not to interfere with the third concave groove 141a so that the seventh block 141 is spaced apart from the third base frame 144, (Not shown).

The third base frame 144 may be interposed between the seventh block 141 and the test jig 110 to fix the seventh block 141 to the test jig 110. [ According to the present embodiment, portions of the third base frame 144 that are connected to the seventh block 141 are formed to correspond to each other, and a wing portion may be formed at a portion connected to the test jig 110 .

Meanwhile, the first through third block units 120, 130 and 140 formed as described above may be formed of a metal material. However, it is not limited thereto, and any material capable of having a predetermined strength such as wood, rubber, and synthetic resin can be used.

The plurality of fastening members S for fastening the first to third block units 120, 130 and 140 to the test jig 110 may all be formed in the same size. That is, by using the fastening member S of the same standard, the working speed can be improved and a more rigid fastening force can be provided.

The first to third concave groove portions 121a to 131a are formed so as to have the same height and size in parallel with the mounting positions of the first to third block units 120 to 130. [ This is because the end portions of the door trim 10, which are inserted into and engaged with the first to third concave groove portions 121a, 131a and 141a, are usually formed to have a uniform height.

Hereinafter, the operation of the automotive door trim side impact test apparatus according to the present embodiment will be described with reference to the drawings.

The door trim 10 according to the present embodiment is assembled to the first to third block units 120, 130 and 140 before the test and then the first to third blocks 130, The units 120, 130 and 140 may be fixedly coupled to the test jig 110 and the test may be performed by applying a shock to the door trim 10 using an unillustrated loader.

3, the side end portions of the door trim 10 are divided into first to third concave groove portions 121a and 131a formed in the first to third block units 120, 130 and 140, And can be pressed and fixed by a fastening member S inserted into the first screw hole 130a and inserted into the first screw hole 120a, the third screw hole 130a and the fifth screw hole 140a . That is, the fastening member S does not penetrate through the inserted side end portion of the door trim 10 but presses the side end portion of the fastening member S so as to be inserted into the first to third concave groove portions 121a, 131a, Fix it so that it does not move. However, the present invention is not limited thereto, and if necessary, the fastening member S can completely fix the end portion of the door trim 10 inside the first to third concave groove portions 121a, 131a, 141a It is possible.

When the fixing of the door trim 10 is completed, it is possible to check whether the door trim 10 is damaged by adding a shock to the door trim 10 using a predetermined load. When the impact test is finished, the operator removes the first to third block units 120, 130 and 140 from the test jig 110 and then pushes the first to third concave groove portions 121a, It is possible to separate the end portion of the door trim 10 fastened / fixed to the first door 131a 141a.

Since the first to third block units 120, 130 and 140 are provided as separate members, they can be connected to the test jig 110 again for reuse, so that the door trim 10 may be connected to perform the lateral crash test of the door trim 10. At this time, the fastening member S coupled to the second screw fastening hole 120b, the fourth screw fastening hole 130b, and the sixth screw fastening hole 140b may be provided with the same size, May be longer than the fastening members inserted into the fastening hole 120a, the third screw fastening hole 130a and the fifth screw fastening hole 140a.

According to the present embodiment as described above, the first to third block units 120, 130 and 140 are provided as the fixed blocks which can be repeatedly used in the test jig 110 for the impact test of the door trim 10 , The door trim 10 can be firmly fixed using a fastening member S such as a simple screw bolt.

Further, since the left and right side surfaces and the bottom surface of the door trim 10 can be fixed by using the first through third block units 120, 130 and 140, The test jig 110 can be prevented from being detached from the test jig 110.

The door trim 10 can be fixed to the first to third block units 120, 130 and 140 without damaging the door frame 10, The damage that may occur during the process can be reduced as much as possible, and a more accurate crash test of the door trim 10 is possible.

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the following claims.

10; Door trim 100; Door trim side impact test system
110; Test jig 120; The first block unit
121; A first block 121; The first concave-
122; A second block 123; Third block
124; A first base frame 130; The second block unit
131; A fourth block 131a; The second concave groove
132; A fifth block 133; Sixth block
134; A second base frame 140; The third block unit
141; Seventh block 144; The third base frame

Claims (10)

Test jig;
First and second block units coupled to the test jig to support the left and right sides of the door trim; And
And a third block unit coupled to the test jig to support a bottom surface of the door trim,
The door trim includes:
The first block unit and the third block unit being screw-fastened to and detachably fixed to the first and second block units,
Wherein the first block unit comprises:
A first block supporting one side of the door trim;
Second and third blocks coupled to the upper and lower sides of the first block, respectively; And
And a first base frame coupled to a lower side of the first block and coupling the first block to the test jig.
delete The apparatus of claim 1, wherein the first block comprises:
A first concave groove portion formed on one side wall facing the door trim so that one side of the door trim is inserted and engaged; And
A plurality of first screw connection holes formed at a position close to the first concave groove and communicating with the first concave groove; And
And a second screw fastening hole formed at a position spaced apart from the first screw fastening hole and penetrating the first screw fastening hole so as not to interfere with the first concave fastening hole and fixing the first block to each of the first base frame and the test jig, ; Automotive door trim side impact test equipment including.
Test jig;
First and second block units coupled to the test jig to support the left and right sides of the door trim; And
And a third block unit coupled to the test jig to support a bottom surface of the door trim,
The door trim includes:
The first block unit and the third block unit being screw-fastened to and detachably fixed to the first and second block units,
Wherein the second block unit comprises:
A fourth block for supporting the other side of the door trim;
Fifth and sixth blocks coupled to the upper and lower sides of the fourth block, respectively; And
And a second base frame coupled to a lower side of the fourth block and coupling the fourth block to the test jig.
5. The method according to claim 4,
A second concave groove portion formed on one side wall facing the door trim so that one side of the door trim is inserted and engaged; And
A plurality of third screw connection holes formed at a position close to the second concave groove portion so as to communicate with the second concave groove portion; And
A fourth screw tightening hole formed at a position spaced apart from the third screw tightening hole by a distance not to interfere with the second concave groove and fixedly coupling the fourth block to each of the second base frame and the test jig, ; Automotive door trim side impact test equipment including.
Test jig;
First and second block units coupled to the test jig to support the left and right sides of the door trim; And
And a third block unit coupled to the test jig to support a bottom surface of the door trim,
The door trim includes:
The first block unit and the third block unit being screw-fastened to and detachably fixed to the first and second block units,
Wherein the third block unit comprises:
A seventh block for supporting a bottom surface of the door trim; And
And a third base frame coupled to a lower side of the seventh block and coupling the seventh block to the test jig.
7. The method of claim 6,
A third concave groove portion formed on one side wall facing the door trim so that one side of the door trim is inserted and engaged; And
A plurality of fifth screw connection holes formed at a position close to the third concave groove portion so as to communicate with the third concave groove portion; And
A sixth screw tightening hole formed at a position spaced apart from the fifth screw tightening hole by a distance not to interfere with the third concave groove and fixedly coupling the seventh block to the third base frame and the test jig, ; Automotive door trim side impact test equipment including.
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KR1020140155930A 2014-11-11 2014-11-11 Side collision test apparatus for door trim of automobile KR101593518B1 (en)

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Application Number Priority Date Filing Date Title
KR1020140155930A KR101593518B1 (en) 2014-11-11 2014-11-11 Side collision test apparatus for door trim of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140155930A KR101593518B1 (en) 2014-11-11 2014-11-11 Side collision test apparatus for door trim of automobile

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KR101593518B1 true KR101593518B1 (en) 2016-02-17

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KR1020140155930A KR101593518B1 (en) 2014-11-11 2014-11-11 Side collision test apparatus for door trim of automobile

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020054799A (en) * 2000-12-28 2002-07-08 이계안 Door trim impact test system
KR200381810Y1 (en) * 2005-01-26 2005-04-14 박태준 Clip fixture for inspection equipment
KR20110096299A (en) 2010-02-22 2011-08-30 한일이화주식회사 Method for testing side crash for vehicles using a door trim

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020054799A (en) * 2000-12-28 2002-07-08 이계안 Door trim impact test system
KR200381810Y1 (en) * 2005-01-26 2005-04-14 박태준 Clip fixture for inspection equipment
KR20110096299A (en) 2010-02-22 2011-08-30 한일이화주식회사 Method for testing side crash for vehicles using a door trim

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