JP6060437B2 - Body structure - Google Patents

Description

  The present invention relates to a vehicle body structure in which a deck cross member is disposed along a left-right direction at a front portion of a passenger compartment, and a center portion of the deck cross member and a floor panel are coupled by a center bracket and a center reinforcement. About.

  Both ends of the deck cross member disposed along the left-right direction at the front of the passenger compartment are bolted to the left and right skeleton members of the vehicle body, and the upper end of the center reinforcement is connected to the center of the deck cross member. There is a vehicle body structure in which the lower end portion of the centering hose is bolted to the backbone of the floor panel. As such a conventional vehicle body structure, for example, there is Patent Document 1 below.

  As a conventional vehicle body structure configured by bolting the upper end of a stay to a bracket welded to a steering member forming a deck cross member and bolting the lower end of the stay to a stay welded to a floor tunnel, for example, There is the following Patent Document 2.

Japanese Unexamined Patent Application Publication No. 2004-322663 (see, for example, paragraphs [0017]-[0026], [FIG. 1]-[FIG. 4], etc.) JP 2000-72039 A (see, for example, paragraphs [0022]-[0030], [FIG. 1]-[FIG. 4], etc. of the specification)

  However, in the vehicle body structure described in Patent Document 1 described above, since the upper end portion of the centering hose that bolts the lower end portion to the backbone of the floor panel is connected to the deck cross member, the centering hose is connected to the backbone. Is difficult to position, and there is a possibility that the assembling property (fitting property) of the centering hose is lowered.

  In the automobile stay structure described in Patent Document 2 above, the upper end and lower end of the stay are bolt-fastened, and the stay is supported with one hand when the bolt is fastened, or the upper and lower sides of the stay are temporarily fixed with bolts in advance. Then, since it takes time and labor to perform final fastening, there is a possibility that the assembling property (dressing property) of the stay may be lowered.

  In view of the above, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle body structure capable of improving the outfitting properties.

A vehicle body structure according to a first invention that solves the above-described problem includes a cross member member that is coupled to left and right pillars of the vehicle body, and a center bracket that is coupled to the cross member member at an approximately upper center in the vehicle width direction. In the vehicle body structure, the upper end portion side is bolted to the center bracket and the lower end portion side is bolted to the floor panel to be fixed, and the center bracket has the bolt fastened to the lower end side. A bolt fixing hole and a locking part for locking the centering force, and the centering force is a bolt into which the bolt is inserted into an upper end part corresponding to the bolt fixing hole. and the insertion hole, provided with a fixed portion fixed to the fixing portion and a lockable locking claw portion with the locking hole, and the center reinforcement The has an opening for the locking hole and opposed to the fixed portion, the locking claw portion is formed to face to the opening while being protruded from the upper edge of the opening It is characterized by that.

A vehicle body structure according to a second invention for solving the above-described problem is the vehicle body structure according to the first invention described above, wherein the locking claw portion is formed from an upper edge portion of the opening portion of the fixed portion. A base end portion extending inside the opening, an intermediate portion bent from the base end portion and extending in the horizontal direction, and a distal end portion bent from the intermediate portion and extending downward; It is characterized by.

A vehicle body structure according to a third invention for solving the above-described problem is a vehicle body structure according to the first or second invention described above, wherein the locking hole is rectangular, and the locking claw portion is It has substantially the same width as the locking hole.

  According to the vehicle body structure of the first aspect of the present invention, when the centering force is assembled, the centering force is locked temporarily in the centering force in the state where the centering force is locked in the locking hole of the center bracket. A center reinforcement can be fastened to the bracket and the floor panel by bolting. In addition, when the centering force is bolted, the locking between the locking hole and the locking claw functions as a detent for the centering force, so that the centering force can be supported with one hand or the centering force in advance. Assembling work can be performed without the need for temporarily fixing the upper and lower sides of the force with bolts and then tightening them. Therefore, the centering force can be assembled easily and accurately with a simple structure, and the wearability can be improved.

According to the vehicle body structure according to the first invention, since the engaging claw portion is formed so as to face the opening, when locking the locking claw portion into the engaging hole, the locking of the opening The locking claw portion can be inserted into the locking hole and locked while looking at the locking hole of the claw portion and the center bracket. Therefore, temporary placement work can be performed reliably and accurately, and the outfitting property can be further improved.

According to the vehicle body structure related to the second invention, in addition to the same operational effects as the vehicle body structure related to the first invention described above, when the center reinforcement is assembled to the center bracket, from the surface side of the center reinforcement. The centering force has a shape that makes it easy to check the locking claw and lock it into the locking hole, so that temporary placement during assembly can be performed more reliably, and the wearability can be further improved. Can be improved.

According to the vehicle body structure related to the third invention, when the center reinforcement is assembled to the center bracket, the center reinforcement is locked from the surface side of the center reinforcement as in the vehicle body structure related to the second invention described above. Since the locking claw portion can be inserted into the locking hole while looking at the locking hole of the claw portion and the center bracket, the wearability can be further improved.

1 is a schematic configuration diagram of an embodiment of a vehicle body structure according to the present invention. FIG. 2 is an enlarged view of a surrounding line II in FIG. 1. It is a longitudinal cross-sectional view which follows the III-III line in FIG. It is a perspective view which shows the attachment state of the center bracket and center reinforcement which the said vehicle body structure comprises.

  One embodiment for carrying out a vehicle body structure according to the present invention will be described with reference to the drawings, but the present invention is not limited to only the embodiments described below.

  The vehicle body structure according to the present embodiment will be described with reference to FIGS. 1 to 4, the X-axis direction indicates the vehicle front direction, the Y-axis direction indicates the vehicle width direction, and the Z-axis direction indicates the height direction.

  As shown in FIG. 1, the vehicle body structure according to the present embodiment has lower ends of front pillars 4 and 5 as skeleton members coupled to left and right sides of the floor panel 1 at the front part of the passenger compartment. The upper ends of the pillars 4 and 5 are coupled to a roof rail (not shown). The floor panel 1 is horizontally disposed at the lower part of the passenger compartment, and a backbone (floor tunnel) 2 is formed at the center in the vehicle width direction. A backbone reinforcement 3 is fixed on the backbone 2 by welding.

  The deck cross member (cross member member) 6 has a cylindrical pipe shape, and is disposed between the front pillars 4 and 5 in the front part of the passenger compartment along the left-right direction. A connection bracket (not shown) is attached to the left and right ends of the deck cross member 6, and the left and right connection brackets are fastened to the left and right front pillars 4 and 5 with bolts.

  A pair of left and right support brackets 8, 8 that support the steering shaft 7 are attached to the right side of the deck cross member 6.

  The upper end of the center bracket 10 is fixed to the center of the deck cross member 6 in the vehicle width direction by welding. The lower end portion of the center bracket 10 can be bolted to the upper end portion of the center reinforcement 20 fixed to the backbone reinforcement 3. The centerline force 20 is fastened to the side surface portion 3 a on the right side of the backbone reinforcement 3 with a bolt 31 on the lower end side.

  As shown in FIGS. 2 and 4, the lower end side of the center bracket 10 has a substantially U-shaped cross section, and has a fixed portion 11 that extends in the vertical direction and forms a plane, and both side portions of the fixed portion 11 are substantially perpendicular to each other. And side wall portions 14 and 15 which are bent and erected. As shown in FIGS. 2 to 4, the fixing portion 11 has a locking hole 12 that can lock a locking claw portion 23 for temporarily placing a centering force 20, which will be described in detail later, and the centering force. The upper end part side of 20 and the bolt fixing hole 13 which makes the bolt fastening part which can be bolt-fastened are formed along with up and down. The locking hole 12 has a rectangular shape. The size d2 in the width direction (X-axis direction) of the locking hole 12 is substantially the same as the size d1 in the width direction (X-axis direction) of the locking claw 23 which will be described later in detail. The width (size) of the fixing portion 11 of the center bracket 10 is gradually increased downward. A flange portion 16 is provided at the tip of one side wall portion 15.

  The center force 20 has a substantially U-shaped cross section, a fixed portion 21 that extends in the vertical direction and forms a flat surface, and side wall portions 25 and 26 in which both side portions of the fixed portion 21 are bent at a right angle and are erected. With. The fixed portion 21 includes a locking claw portion 23 that can be locked in the locking hole 12 of the center bracket 10 and a bolt insertion hole 24 in which the shaft portion 32 a of the bolt 32 can be inserted. 12 and the bolt fixing holes 13 are formed side by side at positions corresponding to the bolt fixing holes 13. The locking claw 23 of the center force 20 is locked in the locking hole 12 of the center bracket 10, so that the fixed portion 21 is overlapped with the fixing portion 11, and the bolt 32 is fastened in this state. As a result, the center force 20 is fixed to the center bracket 10.

  The locking claw 23 is provided facing the opening 22 formed above the bolt insertion hole 24. The locking claw portion 23 cuts and raises a part of the fixed portion 21 and protrudes from the upper edge portion 22a of the opening portion 22. From the upper edge portion 22a of the opening portion 22 to the inside of the opening portion 22 (downward). A base end portion 23a that extends, a connecting portion 23b that is bent at a substantially right angle from the tip of the base end portion 23a and extends in the horizontal direction, and a bent at a substantially right angle from the tip of the connecting portion 23b and extends downward. A tip portion 23c. The locking claw portion 23 is formed by forming a U-shaped hole (opening portion 22) in the fixed portion 21 and cutting and raising a central portion thereof. Thus, when the locking claw 23 is locked to the locking hole 12, the locking claw 12 is locked to the locking hole 12 while looking at the locking claw 23 and the locking hole 12 of the center bracket 10 from the opening 22. The part 23 can be inserted.

  The fixed portion 21 has a certain width on the upper end side and gradually decreases on the lower side. One side wall portion 26 is provided with a flange portion 27. The flange portion 27 has a shape having a constant width on the upper end side and gradually increasing in accordance with the size of the fixed portion 21 on the lower side. By forming such a shape, the rigidity and strength of the center force 20 itself can be ensured.

  The above-described deck cross member 6 is connected to the center bracket 10 and attached to each bracket, and further from the door opening in a sub-assembly state in which an air conditioning apparatus, an audio device, a shift apparatus, an instrument panel, etc. (not shown) are mounted. It is carried into the vehicle, and as described above, the left and right ends of the deck cross member 6 are bolted to the front pillars 4 and 5 and assembled.

  As described above, in the present embodiment, the locking hole 12 is provided in the fixing portion 11 on the lower end side of the center bracket 10 described above, while the locking hole is formed in the fixed portion 21 on the upper end side of the center reinforcement 20. Since the latching claw portion 23 that can be latched to the centering force 20 is provided, the centering force 20 is secured to the center bracket 10 when the centering force 20 is assembled. Can be temporarily placed. Therefore, the operator can fasten the centerline force 20 to the center bracket 10 and the backbone reinforcement 3 by bolting and fix the centerline force 20 in a temporarily placed state. Moreover, when the centering force 20 is bolted, the locking between the locking hole 12 and the locking claw 23 serves to prevent the centering force 20 from rotating, so that the centering force 20 can be supported with one hand. The assembling work can be performed without requiring the trouble of temporarily tightening the upper and lower portions of the centerline force 20 with bolts and then tightening them. Therefore, the wearability of the center force 20 can be improved with a simple configuration.

  Further, since the locking claw 23 is formed so as to face the opening 22, when the locking claw 23 is locked to the locking hole 12, the locking claw 23 and the center bracket are opened from the opening 22. Since the locking claw portion 23 can be inserted into the locking hole 12 and locked while looking at the 10 locking holes 12, the temporary placement operation can be performed reliably and accurately. That is, this further improves the wearability.

  Further, the locking hole 12 has a rectangular shape, and the locking claw portion 23 has substantially the same width as the locking hole 12, so that the center reinforcement 20 can be positioned more reliably and accurately with respect to the center bracket 10. Can be further improved.

  Further, the locking claw 23 is connected to the connecting portion (intermediate portion) 23b that is bent at a right angle with respect to the fixed portion 21 and extends linearly, and the connecting portion (intermediate portion) 23b. Portion) 23b and a tip portion 23c that is bent at a right angle with respect to 23b and extends linearly downward, so that when the centerline force 20 is assembled to the center bracket 10, the centerline force 20 from the surface side of the centerline force 20 Since it has a shape that makes it easy to check the locking claw 23 of the reinforcement 20 and to be locked in the locking hole 12, temporary placement at the time of assembly can be performed more reliably, and the wearability can be improved. This can be further improved.

  As described above, according to the vehicle body structure of the present invention, the assembling work of the center force 20 can be easily and accurately performed with a simple structure, and the outfitting property can be improved.

  In the above description, the locking claw portion 23 of the centerline force 20 is configured to face the opening 22. However, the opening 22 may be omitted and only the locking claw 23 may be provided.

  Further, in the above, the locking claw portion 23 is composed of the base end portion 23a, the connecting portion 23b, and the distal end portion 23c, but the locking claw having a shape that can be locked in the locking hole 12 of the center bracket 10. What is necessary is just to have a part.

  Since the vehicle body structure according to the present invention can improve the outfitting properties, it can be used extremely beneficially in the automobile industry and the like.

1 Floor panel 2 Backbone (floor tunnel)
3 Backbone reinforcement 4, 5 Front pillar 6 Deck cross member (cross member member)
7 Steering shaft 8 Support bracket 10 Center bracket 11 Fixing part 12 Locking hole 13 Bolt fixing hole 14 Side wall part 15 Side wall part 16 Flange part 20 Center reinforcement 21 Fixed part 22 Opening part 22a Upper edge part 23 Locking claw part 23a Base end 23b connecting part (intermediate part)
23c Tip part 24 Bolt insertion hole 25 Side wall part 26 Side wall part 27 Flange part 31 Bolt 32 Bolt 33 Nut d1 Width direction (X-axis direction) size of locking claw part d2 Width direction of locking hole (X-axis direction) Size of

Claims (3)

A cross member member coupled to the left and right pillars of the vehicle body, a center bracket coupled to an upper end portion of the cross member member at a substantially center in a vehicle width direction, and an upper end side of the cross member member being bolted to the center bracket; In the vehicle body structure including a centerline force that is bolted and fixed to the floor panel on the side,
The center bracket includes a fixing portion having a bolt fixing hole to which the bolt is fastened on a lower end side, and a locking hole to which the center reinforcement is locked,
The centerline force has a bolt insertion hole through which the bolt is inserted corresponding to the bolt fixing hole at an upper end portion, and a locking claw portion that can be locked in the locking hole. A fixed part to be fixed ;
The center force has an opening facing the locking hole in the fixed portion, and the locking claw projects from the upper edge of the opening and faces the opening. A vehicle body structure characterized by being formed of . The vehicle body structure according to claim 1 ,
The locking claw portion includes a base end portion extending from the upper edge portion of the opening portion of the fixed portion to the inside of the opening portion, and an intermediate portion bent from the base end portion and extending in the horizontal direction. And a front end portion that is bent from the intermediate portion and extends downward. The vehicle body structure according to claim 1 or 2 ,
The locking hole has a rectangular shape,
The vehicle body structure characterized in that the locking claw portion has substantially the same width as the locking hole.

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