JP2009298352A - Shock absorbing member - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simply hold wiring stored in a passage provided on a shock absorbing member. <P>SOLUTION: The shock absorbing member 30 is provided with a holding means 42 holding wiring H inserted in the passage 40. The holding means 42 is provided with a deforming portion 46 on which the wiring inserted in the passage 40 is plated, and deforming from a first state projecting out to the placing surface side of the wiring H to a second state recessed on the placing surface side; and a pair of holding portions 48, 48 provided on the deforming portion 46 while separating so as to clip the wiring H placed on the deforming portion 46. The pair of holding portions 48, 48 separate from each other at distal ends in the first state of the deforming portion 46, and dispose to close to each other at the distal ends in the second state of the deforming portion 46. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an impact absorbing member configured by combining a first rib and a second rib extending in a direction crossing the first rib.

  As shown in FIG. 7, an impact absorbing member 24 is disposed on the roof side portion 14 extending in the front-rear direction on the side of the roof portion 12 of the vehicle body 10 in order to reduce the impact of the occupant in the event of a collision ( For example, see Patent Document 1). The shock absorbing member 24 includes a roof side rail 16 that is a vehicle body constituting member that extends to the roof side portion 14, and a vehicle interior member that covers the passenger compartment 18 side of the roof side rail 16 and is attached to the roof portion 12. Is accommodated in a gap 22 defined between the ceiling member 20 (see FIG. 8). Here, as shown in FIG. 9, as the shock absorbing member 24, a synthetic resin molded product in which plate-like ribs 26 are combined in a lattice shape is employed.

The roof side portion 14 is provided with a cable for supplying power to a lamp or the like, a harness that collects control wiring, a pipe exemplified by a drain hose, etc. (hereinafter collectively referred to as wiring H). The Here, since the shock absorbing member 24 extends in the front-rear direction of the roof side portion 14, for example, in order to pass the wiring H between the roof portion 12 side and the pillar portion 15 side, the shock absorbing member 24 is used. It is necessary to wire across the member 24 (see FIG. 8). Therefore, as shown in FIG. 9, recesses 28 are respectively formed in the ribs 26 constituting the shock absorbing member 24, and the shock absorbing member 24 is traversed via a passage 29 formed by a block space between the recesses 28 and the ribs 26. Wiring H is provided. Thus, by accommodating the wiring H between the concave portion 28 of the impact absorbing member 24 and the ceiling member 20, the wiring H can be passed between the roof portion 12 side and the pillar portion 15 side.
JP 2008-74174 A

  The shock absorbing member 24 is attached to the ceiling member 20 after the wirings H are disposed on the ceiling member 20 in order to accommodate the wirings H between the recess 28 and the ceiling member 20. That is, if the wirings H are not positioned on the ceiling member 20 in alignment with the recesses 28 of the shock absorbing member 24, the wirings H become a hindrance when mounting the shock absorbing member 24, and the mounting work efficiency deteriorates. Therefore, the wiring member H is positioned and fixed in advance on the ceiling member 20 with an adhesive, an adhesive tape or the like in accordance with the recess 28 of the shock absorbing member 24, and then the ceiling member 20 and the shock absorbing member 24 are attached. However, when the wirings H are arranged, the number of steps for positioning and fixing the wirings H with an adhesive, an adhesive tape, or the like increases, and the working efficiency is not improved.

  That is, the present invention has been proposed in order to suitably solve these problems inherent in the conventional shock absorbing member according to the prior art, and provides a shock absorbing member that can easily hold wirings. For the purpose.

In order to overcome the above-mentioned problems and achieve the intended purpose, the impact absorbing member of the invention according to claim 1 of the present application is
In the shock absorbing member that is configured by combining the first rib and the second rib extending in a direction intersecting the first rib in a lattice shape, and disposed between the vehicle body component member and the vehicle interior member,
Block spaces defined by adjacent first ribs and adjacent second ribs, and the block spaces and the block spaces are formed by recesses provided on at least one of the ribs from one end side which is the vehicle component side. Provide a passage communicating with the outside of the shock absorbing member,
The vehicle from the first state in which a surface facing the one end portion side of the rib is provided on the outer side of the rib in accordance with the concave portion provided in the rib forming the outer wall of the shock absorbing member, and projects toward the one end portion side. A deformed portion that is deformed into a second state recessed to the other end portion side of the rib on the interior member side;
A pair of holding members provided on a surface of the deforming portion facing the one end side of the rib, the tips being separated from each other in the first state of the deforming portion, and displaced so that the tips are close to each other in the second state of the deforming portion. It is characterized by comprising holding means comprising a portion.
According to the first aspect of the present invention, the wiring between the pair of holding portions and the deforming portion having the recessed mounting surface is simply formed by pressing the deforming portion in the first state with the wirings to deform the second state. Can hold. That is, the wiring accommodated in the passage of the shock absorbing member can be easily positioned, and the assembling workability of the wiring can be improved.

In the invention according to claim 2, the deforming portion is formed in a mountain shape having a pair of oblique edges connected to each other in a pair of opposite oblique sides in the first state, and the first thin portion is formed on the other edge of each oblique side. Is provided.
According to the invention which concerns on Claim 2, it becomes easy to perform a deformation | transformation from the 1st state of a deformation | transformation part to a 2nd state.

In the invention according to claim 3, the deforming portion is formed in a mountain shape having a pair of edges connected to each other in a pair of oblique sides facing each other in the first state, and a second thin portion is formed at the top of the deforming portion. Is provided.
According to the invention which concerns on Claim 3, it becomes easy to perform a deformation | transformation from the 1st state of a deformation | transformation part to a 2nd state.

  According to the shock absorbing member of the present invention, it is possible to improve the workability of assembling wirings arranged across the shock absorbing member.

  Next, the shock absorbing member according to the present invention will be described below with reference to the accompanying drawings by way of preferred embodiments. For convenience of explanation, the same components as those of the vehicle body 10 shown in FIGS. 7 and 8 are denoted by the same reference numerals, and detailed description thereof is omitted. In the embodiment, a case will be described in which an impact absorbing member is disposed on the roof side portion 14 described above to protect the occupant during a collision. Here, the wiring H is a general term for a cable that supplies power to a lamp or the like, a harness that collects control wiring, a pipe that is exemplified by a drain hose, and the like.

  As shown in FIGS. 3 and 4, the shock absorbing member 30 extends to the gap 22 in the roof side portion 14 defined between the roof side rail 16 as the vehicle body constituting member and the ceiling member 20 as the vehicle interior member. It is an elongate member set to the external shape and size which can be accommodated, and is formed in a dimension extending from the front seat to the rear seat. As shown in FIG. 1 or FIG. 2, the shock absorbing member 30 includes a plurality of (four in the embodiment) first ribs 32 extending in the longitudinal direction of the shock absorbing member 30, and intersecting with the first ribs 32. The plurality of second ribs 34 extending in the short direction of the shock absorbing member 30 are combined in a lattice shape. The shock absorbing member 30 causes the one end 30a of the first rib 32 and the second rib 34 to face the roof side rail 16, and the other end 30b of the first rib 32 and the second rib 34 to the ceiling member 20. Attached to the gap 22 (see FIG. 4). That is, when the shock absorbing member 30 of the embodiment is attached to the gap 22, the plurality of first ribs 32 extend in the front-rear direction of the vehicle body 10 and are separated from each other in the vertical direction, and the plurality of second ribs 34. Extend in the vertical direction and are separated from each other in the front-rear direction of the vehicle body 10.

  The shock absorbing member 30 is provided with a flange 35 as an attachment portion to the ceiling member 20 on the outer peripheral portion. The flange 35 is formed at the other end of the first rib 32 and the second rib 34 forming the outer wall so as to extend outward.

  The first rib 32 and the second rib 34 have a plate shape with a thickness set to about 1 mm as a whole, and are between the adjacent first ribs 32 and 32 and the adjacent second ribs 34 and 34. A block space 36 that is open inward and outward of the vehicle body 10 is formed. The first rib 32 and the second rib 34 have a dimension between the one end portion 30a and the other end portion 30b that is different from that of the roof side rail 16 and the ceiling member 20 except for a portion where a concave portion 38 described later is provided. It is formed so as to be substantially the same as the interval between them (see FIG. 4). Further, in the shock absorbing member 30, the interval between the ribs 32 and 34 is set so that any part has the same shock absorbing performance. When the external force is applied through the ceiling member 20, the impact absorbing member 30 is designed to absorb the impact by buckling deformation of the first rib 32 and the second rib 34.

  The shock absorbing member 30 of the embodiment is provided with a passage 40 so as to accommodate the wiring H crossing in the short direction of the shock absorbing member 30 (see FIG. 1 or 2). That is, the first rib 32 that intersects the direction across the wiring H is provided with a recess 38 that is recessed from the one end 30 a side of the rib 32. Here, the recessed portion 38 of the embodiment is recessed so as to open to the one end portion 30a side, and a plurality of recessed portions 38 are arranged in the same straight line. That is, the shock absorbing member 30 is connected to the block spaces 36, 36 and the block space 36 to the outside of the shock absorbing member by the recess 38, and the shock absorbing member 30 crosses the shock absorbing member 30 in the short direction. A passage 40 through which H can be inserted is provided.

  The shock absorbing member 30 is provided on the outer side of the first rib 32 in accordance with the concave portion 38 formed in the first rib 32 forming the outer wall of the shock absorbing member 30 and holds the wiring H inserted through the passage 40. Holding means 42 is provided. The shock absorbing member 30 according to the embodiment is provided at a portion where the holding means 42 intersects the passage 40 in the flange 35 extending to the outer peripheral portions of the first rib 32 and the second rib 34 (FIG. 1 or FIG. 2). reference). That is, the shock absorbing member 30 is configured such that the wiring H accommodated in the passage 40 is held at two locations by a pair of holding means 42 and 42 that are spaced apart from each other with the main body portion composed of the first rib 32 and the second rib 34 interposed therebetween. It has become.

  The holding means 42 is a deformation provided on a support base portion 44 formed at a portion intersecting the passage 40 in the flange 35 in accordance with the concave portion 38 provided in the first rib 32 forming the outer wall of the shock absorbing member 30. And a pair of holding portions 48, 48 provided on the deformable portion 46 so as to be spaced apart from each other in the separating direction of the second rib 34. The support base portion 44 is provided so as to extend from the flange 35 extending from the other end portion 30b of the ribs 32 and 34 to a position biased toward the one end portion 30a, and the shock absorbing member 30 is extended from the other end portion 30b side. When attached to the ceiling member 20, a gap is formed between the support base portion 44 and the ceiling member 20.

  The deforming portion 46 is formed in a curved or bent mountain shape having a pair of oblique sides 46a and 46a facing in the separation direction of the second rib 34, and one edge of the oblique sides 46a and 46a is connected to each other to form the deformed portion 46a. The top part of the part 46 is comprised. The other edges of the oblique sides 46a are connected to the support base 44, respectively. The deformed portion 46 has a surface on one end 30a side serving as a placement surface for the wiring H inserted through the passage 40, and a first state in which the placement surface protrudes from the support base 44 toward the one end 30a (FIG. 1 or FIG. 5 (a)) and the second state (see FIG. 2 or FIG. 5 (b)) in which the mounting surface is recessed from the support base 44 toward the other end 30b so that the peaks and valleys are interchanged. It is configured to be plastically deformed. That is, the deforming portion 46 is deformed so that the inclination direction of the pair of oblique sides 46a and 46a opposed to the direction intersecting the extending direction of the wirings H placed on the placement surface is reversed, and the first state and It is held in each of the second states.

  The pair of holding portions 48 are provided in the deforming portion 46 so as to be separated so as to sandwich the wiring H placed on the deforming portion 46. Here, each holding | maintenance part 48 protrudes in the one end part 30a side on the mounting surface of each hypotenuse 46a in the deformation | transformation part 46, respectively, and stands. Each holding portion 48 is disposed at a position close to the edge side connected to the support base portion 44 on the oblique side 46a. The pair of holding portions 48, 48 are separated from each other in the first state of the deforming portion 46 (see FIG. 1 or FIG. 5A), and the tips are close to each other in the second state of the deforming portion 46. (See FIG. 2 or FIG. 5B). That is, the holding means 42 extends in a direction in which both the holding portions 48 and 48 are separated from each other or in parallel with the mounting surfaces of the pair of oblique sides 46a and 46a facing opposite sides in the first state of the deformation portion 46. At this time, the insertion of the wiring H between the pair of holding portions 48 is allowed (see FIG. 1 or FIG. 5A). In addition, the holding means 42 extends in a direction in which both the holding portions 48 and 48 intersect with each other when the mounting surfaces of the pair of oblique sides 46a and 46a face each other in the second state of the deforming portion 46, and the tips thereof are mutually connected. At this time, the wiring H accommodated between the pair of holding portions 48 and 48 and the deformed portion 46 in which the mounting surface is recessed is held (see FIG. 2 or FIG. 5B).

  As shown in FIG. 5, the deforming portion 46 is provided with first thin portions 50 at both edge portions where the other edge of the oblique side 46 a is connected to the support base portion 44. Further, the deforming portion 46 is provided with a second thin portion 52 at the top where one edge of the pair of oblique sides 46a, 46a is connected to each other. The first thin portion 50 and the second thin portion 52 are notched so as to be recessed from the surface of the deformable portion 46 opposite to the placement surface, so that the plate thickness is thinner than other portions of the deformable portion 46. It is the set part. By providing the first thin portion 50 and the second thin portion 52, the deformation portion 46 is easily deformed between the first state and the second state.

  The shock absorbing member 30 is attached to the ceiling member 20 with the other end 30 b facing the ceiling member 20 before the wiring H is disposed on the ceiling member 20. The deforming portion 46 of the shock absorbing member 30 is in the first state. Thereafter, the wires H are assembled from the one end 30 a side with respect to the passage 40 of the shock absorbing member 30 attached to the ceiling member 20. The wires H are inserted between the pair of holding portions 48, 48 in the holding means 42, and the deformed portion 46 in the first state is pushed toward the other end portion 30b (FIG. 1 or FIG. 5A). reference). As a result, the deforming portion 46 is deformed to the second state, and the mounting surface of the deforming portion 46 is grooved, and the tips of the pair of holding portions 48, 48 are displaced in contact with each other and come into contact with each other (see FIG. 2 or FIG. 5 (b)). The wires H are held between the deformed portion 46 and the pair of holding portions 48, 48 in the second state, and are positioned in a state of being inserted into the passage 40. In other words, the work required to hold the wirings H by the holding means 42 is simply pushing the wirings H into the deforming portion 46, so that the work efficiency is very excellent.

  Thus, even after the shock absorbing member 30 is attached to the ceiling member 20 from the other end 30b side of the ribs 32, 34, the wirings H can be easily positioned and held. That is, it is not necessary to position and fix the wiring H in advance with an adhesive or an adhesive tape to the ceiling member 20 in accordance with the recess 38 of the shock absorbing member 30, thereby reducing the man-hours for mounting the wiring H. it can. In addition, since it is not necessary to use an adhesive or an adhesive tape to position and fix the wirings H, the cost can be reduced and the generation of volatile organic compounds derived from the adhesive component of the adhesive or the adhesive tape is generated. Absent.

(Example of change)
The above-described embodiments can be modified as follows.
(1) Like the shock absorbing member 60 of the modified example shown in FIG. 6, the distal end portion of each holding portion 62 may be bent toward the opposing holding portion 62 side. In this manner, the space between the pair of holding portions 62 and 62 and the deforming portion 46 can be widened by bending the distal end portion of the holding portion 62. In addition, in FIG. 6, the same code | symbol is attached | subjected to the structure similar to the impact-absorbing member of an Example.

(2) Although the case where the shock absorbing member is disposed on the roof side portion has been described, the shock absorbing member can be applied to the shock absorbing member provided in the roof portion, the pillar portion, and other portions.
(3) Although the passage is formed by the recess provided in the first rib, the recess may be provided in both the first rib and the second rib, or the recess may be provided only in the second rib.

It is a perspective view which shows the principal part of the impact-absorbing member which concerns on the suitable Example of this invention, Comprising: A deformation | transformation part exists in a 1st state. It is a perspective view which shows the principal part of the impact-absorbing member of an Example, Comprising: A deformation | transformation part exists in a 2nd state. It is the schematic which shows the impact-absorbing member of the Example arrange | positioned at the roof side part. It is the XX sectional view taken on the line of FIG. It is a side view which shows the principal part of the impact-absorbing member of an Example, (a) shows the 1st state of a deformation | transformation part, (b) shows the 2nd state of a deformation | transformation part. It is a side view which shows the principal part of the impact-absorbing member of a modification, Comprising: (a) shows the 1st state of a deformation | transformation part, (b) shows the 2nd state of a deformation | transformation part. It is the schematic which shows the impact-absorbing member arrange | positioned at the roof side part. It is the YY sectional view taken on the line of FIG. In the conventional impact-absorbing member, it is a schematic perspective view which shows the path | route of wiring.

Explanation of symbols

30a one end, 30b other end, 32 first rib, 34 second rib,
36 block spaces, 38 recesses, 40 passages, 42 holding means, 46 deformation parts,
48 holding part, 50 1st thin part, 52 2nd thin part

Claims (3)

In the shock absorbing member that is configured by combining the first rib and the second rib extending in a direction intersecting the first rib in a lattice shape, and disposed between the vehicle body component member and the vehicle interior member,
Block spaces defined by adjacent first ribs and adjacent second ribs, and the block spaces and the block spaces are formed by recesses provided on at least one of the ribs from one end side which is the vehicle component side. Provide a passage communicating with the outside of the shock absorbing member,
The vehicle from the first state in which a surface facing the one end portion side of the rib is provided on the outer side of the rib in accordance with the concave portion provided in the rib forming the outer wall of the shock absorbing member, and projects toward the one end portion side. A deformed portion that is deformed into a second state recessed to the other end portion side of the rib on the interior member side;
A pair of holding members provided on a surface of the deforming portion facing the one end side of the rib, the tips being separated from each other in the first state of the deforming portion, and displaced so that the tips are close to each other in the second state of the deforming portion. An impact-absorbing member comprising a holding means comprising a portion.   2. The deformed portion is formed in a mountain shape having, as a top portion, one edge connected to each other in a pair of oblique sides facing each other in the first state, and a first thin portion is provided on the other edge of each oblique side. Shock absorbing member.   3. The deformed portion is formed in a mountain shape having a top portion of one edge connected to each other in a pair of oblique sides facing each other in the first state, and a second thin portion is provided on the top of the deformed portion. The shock absorbing member as described.

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