JP5753549B2 - Simple holding structure for metal parts - Google Patents

Description

  In the present invention, for example, when a trunk hinge that opens and closes a trunk lid provided in a sedan type vehicle is fastened to the vehicle side, a metal part to which a packing provided in the fastening portion is bonded is easily held in a mounting hole. The present invention relates to a simple metal part holding structure.

  In a conventional sedan type vehicle, in order to secure a luggage space of the trunk, a trunk lid provided as an opening / closing lid of the trunk is attached to the vehicle side by a trunk hinge using a four-bar link structure.

  For example, as described in Patent Document 1, the trunk hinge having such a four-bar link structure includes a base plate fixed to the vehicle body and a mounting bracket fixed to the trunk lid by the first link and the second link. It has the structure connected so that rotation was possible.

  Further, in such a configuration, attachment holes are formed in the front end portion and the rear end portion of the base plate, and the base plate is attached to the vehicle body by fastening a fixing bolt to each attachment hole. On the other hand, the mounting bracket has an L-shaped cross section, and two mounting holes are formed in the front and back of the mounting bracket, and the mounting bracket is mounted on the trunk lid by fastening a fixing bolt to each mounting hole. .

  By the way, there is a structure in which the trunk hinge is arranged outside the vehicle in order to secure a luggage space of the trunk. In such a structure, it is necessary to consider waterproofness in the fastening portion that fastens the trunk hinge to the vehicle body. That is, in the structure of Patent Document 1, waterproofness is required for the fixing bolt mounting hole for mounting the base plate to the vehicle body.

  Therefore, in order to ensure the waterproof property of such a fastening portion, for example, a rubber seal is attached to the peripheral portion of the mounting hole of the fixing bolt to prevent water leakage. In addition, in the operation of mounting the above trunk hinge on the vehicle, it is desirable that the mounting position of the packing with respect to the trunk hinge is fixed, and therefore, conventionally, the packing is fixed to a predetermined position of the trunk hinge with an adhesive. Has been done.

  However, when an adhesive is used as described above, if the curing is insufficient due to consideration of the quick drying property of the adhesive, the adhesive peels off before the trunk hinge is mounted. Further, if the adhesive curing period is sufficiently long, problems such as a significant reduction in productivity occur, and problems arise in terms of quality stabilization and productivity.

Japanese Utility Model Publication No. 5-54165

  The present invention has been made to solve the above-described problems. For example, when a trunk hinge that opens and closes a trunk lid provided in a vehicle is fastened, a metal bonded with a packing provided in the fastening portion is provided. Simplified holding of metal parts, which improves efficiency and speed of workability and stabilizes quality and reduces production costs by simply holding the parts in place on the adherend side member The purpose is to provide a structure.

  In order to solve the above-described problems, the metal part simple holding structure according to claim 1 of the present invention has a packing adhered to the outer peripheral side surface of the metal part at a peripheral portion of a mounting hole provided in a member on the packing side. In the simple holding structure for a metal part to be held, the metal part is a metal plate formed in a plate shape, and a plurality of the metal parts project upward along the inner peripheral surface of a through hole provided in the surface of the metal plate. While forming an inclined diameter-expanded portion that is inclined in the upward direction in the direction in which each protruding piece of the metal plate is inserted from below on the inner peripheral surface of the attachment hole of the adherend side member, When the protruding piece of the metal plate is inserted into the attachment hole of the adherence side member from below to above, the caulking punch is inserted from above the attachment hole of the adherence member to the downward direction of the through hole of the metal plate. Metal plate protruding piece outward A taper that spreads out is provided, and the caulked portion of the protruding piece that is caulked outward by the press of the taper of the caulking punch is locked to the inclined widened portion of the attachment hole of the attachment side member It is characterized by.

  According to a second aspect of the present invention, there is provided the simplified metal part holding structure according to the first aspect of the present invention, wherein the inclined diameter-expanded portion expanded in an inclined shape is formed on the inner peripheral surface of the attachment hole of the adherend side member. It is produced by punching with a press on the upper side in the direction of inserting the protruding piece from below.

  According to a third aspect of the present invention, there is provided the metal part simple holding structure according to the first or second aspect, wherein the packing-side attachment side member has a trunk hinge for opening and closing a trunk lid provided in the vehicle on the vehicle body side. It is a base plate to be fixed, and a packing held at a peripheral portion of an attachment hole provided in the base plate is bonded to the outer peripheral side surface of the metal plate.

  Furthermore, the simple holding structure of the metal part according to claim 4 of the present invention is the attachment hole of the attachment side member of the packing according to claim 1, 2 or 3, regardless of the purpose, processing method, or processing direction. It has the inclination enlarged diameter part which comprises the form of Claim 1.

  In the metal part simple holding structure of the present invention, packing is bonded to the outer peripheral side surface of the metal plate, and the protruding piece of the metal plate is inserted from below to above into the mounting hole of the adherent side member that should hold the packing. . Next, the caulking punch is inserted from above the attachment hole of the adherend side member to the lower side of the through hole of the metal plate and pressed downward, so that the tape of the caulking punch The protruding piece is pushed outward and the caulking portion is locked to the inclined enlarged diameter portion of the attachment hole of the attachment side member, so that the metal plate is held by the attachment side member.

  When such a configuration is applied to a trunk hinge that opens and closes a trunk lid provided in a vehicle, a plurality of protruding pieces of a metal plate are caulked for mounting holes provided in a base plate of a trunk hinge that is a deposition side member. The caulking portions are formed by caulking by the pressing action of the punch, and the respective caulking portions are locked in the mounting holes provided in the base plate of the trunk hinge, so that each caulking portion plays a role of retaining. Will be fulfilled.

  Therefore, according to the present invention described above, the protruding piece of the metal plate is attached to the mounting hole of the base plate of the trunk hinge which is the adherend side member by pressing the caulking punch used as a tool without using an adhesive. It is done. Through such a simple operation, the packing provided on the outer peripheral side surface of the metal plate is stably held by the adherence member and can be fastened in a regular state, thereby improving the efficiency and speed of workability. Furthermore, it becomes possible to achieve stabilization of quality and reduction of production costs.

It is a general view of the trunk hinge in the Example of this invention, (a) is a top view, (b) is a side view. It is a figure which shows the metal plate attached to the attachment hole provided in the base plate of the trunk hinge in the Example of this invention, (a) is a top view, (b) is a side view, (c) is A- of (a). It is A line arrow sectional drawing. It is a figure which shows the base plate of the trunk hinge in the Example of this invention, (a) is a front view, (b) is a side view. It is principal part sectional drawing which shows the condition which has attached the metal plate to the attachment hole provided in the base plate of the trunk hinge in the Example of this invention. (A) is principal part sectional drawing which shows the caulking process for attaching a metal plate to the attachment hole provided in the base plate of the trunk hinge in the Example of this invention, (b) caulked the protrusion piece of the metal plate It is a principal part expanded sectional view which shows a condition.

  Embodiments of the present invention will be described below with reference to the drawings.

  In the simple holding structure for metal parts of the present embodiment, a metal plate 1 formed in a plate shape with a predetermined thickness is used as the metal part as shown in FIG. Further, as shown in FIG. 1 (a) or (b), the attachment side member that should hold the packing 2 adhered to the outer peripheral side surface of the metal plate 1 opens and closes a trunk lid (not shown) provided in the vehicle. The base plate 5 of the trunk hinge 3 for performing the above-described process, and a protruding piece 7 provided on the metal plate 1 to be held in the mounting hole 6 provided on the base plate 5 of the trunk hinge 3 by caulking.

  When this embodiment is described in detail, the trunk hinge 3 shown in FIGS. 1A and 1B is fixed to a base plate 5 fixed to a vehicle body (not shown) and a trunk lid (not shown). The mounting bracket 4 is configured to be pivotally connected by a first link 9a and a second link 9b. In such a configuration, the first link 9 a and the second link 9 b that rotatably connect the base plate 5 and the mounting bracket 4 are rotatably connected by the respective rotation shafts 10.

  Further, in the present embodiment, mounting holes 6 and 6 are formed at two positions before and after the base plate 5 as a connecting portion for connecting the base plate 5 of the trunk hinge 3 to a vehicle body (not shown) by bolt fastening. More specifically, the base plate 5 shown in FIGS. 3 (a) and 3 (b) is formed in an L-shaped cross section having upright pieces 11 and a base portion 12, and is a curved protruding portion that protrudes forward and backward on the base portion 12 side. A mounting hole 6 is formed in 13 and 13. In such a configuration, in this embodiment, as shown in FIG. 1B, the metal plate 1 is inserted into the two mounting holes 6, 6 in the front and rear of the base plate 5 shown in FIG. It will be attached by caulking, which will be described later.

  Further, as shown in FIGS. 2A to 2C, the metal plate 1 of the present embodiment has a circular through hole 14 formed in the surface of the metal plate 1 having a circular outer peripheral shape and having a predetermined thickness. A plurality of projecting pieces 7, 7... Projecting upward along the inner peripheral surface of the through hole 14 are formed.

  In the present embodiment, as shown in FIG. 2A, the three protruding pieces 7 are formed in the through holes 14 of one metal plate 1. However, the number of the projecting pieces 7 is arbitrary, and at least two are required as the number locked to the mounting hole 6 of the trunk hinge 3, and at least three are required to be stably attached to the mounting hole 6. However, for example, a number of four or more may be provided.

  Further, in such a configuration, as shown in FIG. 3, mounting holes 6 and 6 are formed in the front end portion and the rear end portion of the base plate 5, and fastening bolts (not shown) are fastened to the mounting holes 6. The base plate 5 is attached to a vehicle body (not shown). In addition, each attachment hole 6 provided in said base plate 5 is good also as a hole diameter which can insert each protrusion piece 7 of the metal plate 1 by press-fit, or without a resistance.

  Further, as shown in FIG. 5 (a), each protruding piece 7 of the metal plate 1 is formed on the inner peripheral surface of the mounting hole 6 formed in the base plate 5 of the trunk hinge 3 which is the adherent side member of this embodiment. On the upper side in the direction of insertion from below, an inclined diameter-enlarged portion 15 that is enlarged in an inclined shape generated by punching with a press is formed. The height of the protruding piece 7 of the metal plate 1 with respect to the inclined enlarged diameter portion 15 formed in the mounting hole 6 is caulked by caulking, which will be described later, as shown in FIG. It is necessary that the height of the portion 8 be locked to the inclined enlarged diameter portion 15 of the mounting hole 6.

  5 (a), the plurality of projecting pieces 7, 7... Of the metal plate 1 are inserted into the mounting holes 6 of the trunk hinge 3 from below to above as shown in FIG. The caulking punch 16 is inserted from above the attachment hole 6 formed in the base plate 5 to the bottom of the through hole 14 of the metal plate 1. On the outer periphery of the caulking punch 16, as shown in FIG. 5A, a taper 17 having a shape that increases in diameter toward the upper side is formed so as to push the protruding piece 7 of the metal plate 1 outward. (See FIG. 4).

  In order to attach the protruding piece 7 of the metal plate 1 configured as described above to the attachment hole 6 formed in the base plate 5 of the trunk hinge 3, the base plate 5 to hold the packing 2 bonded to the outer peripheral surface of the metal plate 1. The protruding piece 7 of the metal plate 1 is inserted into the mounting hole 6 from below to above. Then, the upper and lower surfaces of the base plate 5 and the metal plate 1 in this state are pressed and held by the upper holding member 18 and the lower holding member 19.

  Next, a caulking punch 16 is inserted from above the attachment hole 6 formed in the base plate 5 of the trunk hinge 3 to below the through hole 14 of the metal plate 1 and pressed downward, so that FIG. ), The protruding piece 7 of the metal plate 1 is pushed outward by the taper 17 of the caulking punch 16 to form the caulking portion 8. The caulking portion 8 is engaged with the inclined enlarged diameter portion 15 of the mounting hole 6 formed in the base plate 5 of the trunk hinge 3, so that the caulking portion 8 is pulled out (in the direction of arrow β in FIG. 4). It will play the role of retaining the

  Further, in the above configuration, when the metal plate 1 attached to the attachment hole 6 formed in the base plate 5 of the trunk hinge 3 is deformed in the removal direction by an external force, the caulking portion 8 has a hole diameter as it goes upward. Since the shape is enlarged, the positional relationship can be easily corrected by the urging force generated in the direction of the arrow α in FIG. 4 and tightening in a normal state can be performed.

  Therefore, according to the present invention described above, the base plate 5 of the trunk hinge 3 in which the protruding piece 7 of the metal plate 1 is the adherence member by the pressing operation of the caulking punch 16 used as a tool without using an adhesive. It attaches to the attachment hole 6 formed in this. Therefore, by such a simple and quick work, the packing 2 provided on the outer peripheral side surface of the metal plate 1 can be stably held by the adherence side member, and can be fastened in a normal state. As a result, it is possible to achieve efficiency and speedup of the product, as well as stabilization of quality and reduction of production cost. Furthermore, according to the present invention, it is possible to minimize the decrease in the effective seating surface due to a fixing bolt (not shown). Therefore, an effective cost reduction effect can be expected by switching from the existing holding structure.

  For example, when the trunk hinge for opening and closing the trunk lid provided in the vehicle is fastened, the metal part simple holding structure of the present invention simply holds the metal part to which the packing provided at the fastening portion is bonded at a predetermined position. Thus, the efficiency and speed of workability can be improved, and the metal part can be used as a simple holding structure for stabilizing the quality and reducing the production cost.

DESCRIPTION OF SYMBOLS 1 Metal plate 2 Packing 3 Trunk hinge 4 Mounting bracket 5 Base plate 6 Mounting hole 7 Projection piece 8 Clamping part 9a First link 9b Second link 10 Rotating shaft 11 Standing piece 12 Base part 13 Curved projection part 14 Through-hole 15 Inclination expansion Diameter part 16 Caulking punch 17 Taper 18 Upper restraining member 19 Lower restraining member

Claims (4)

In the simple holding structure of the metal part that holds the packing adhered to the outer peripheral side surface of the metal part on the peripheral part of the mounting hole provided in the attached side member of the packing,
The metal part is a metal plate formed in a plate shape, and a plurality of protruding pieces protruding upward along the inner peripheral surface of the through hole provided in the surface of the metal plate are formed, and the attachment side member is attached. On the inner peripheral surface of the hole, an inclined diameter-expanded portion is formed by increasing the diameter in an inclined manner on the upper side in the direction in which each protruding piece of the metal plate is inserted from below. When the metal plate is inserted from the bottom to the top, the protruding piece of the metal plate is pushed outward to the outer periphery of the caulking punch that is inserted from above the attachment hole of the adherend side member to the bottom of the through hole of the metal plate. A taper that widens is provided, and the caulking portion of the protruding piece that is caulked outward by pressing the taper of the caulking punch is locked to the inclined enlarged diameter portion of the attachment hole of the attachment side member. Simple holding structure for metal parts. The inclined diameter-enlarged portion that is expanded in an inclined shape is generated by punching by pressing on the upper side in the direction of inserting each protruding piece of the metal plate from below on the inner peripheral surface of the attachment hole of the adherend side member. The simple holding structure for metal parts according to claim 1. The packing side member of the packing is a base plate that fixes a trunk hinge for opening and closing a trunk lid provided in the vehicle to the vehicle body side, and the packing that is held around the mounting hole provided in the base plate is a metal plate The simple holding structure for a metal part according to claim 1 or 2, characterized in that the metal part is adhered to an outer peripheral side surface of the metal part. The mounting hole of the said adhesion side member of the said packing has the inclination enlarged diameter part which comprises the form of Claim 1 regardless of the objective, a processing method, and a processing direction, The claim 1, 2, or 3 characterized by the above-mentioned. Simple holding structure for metal parts.