JP2010084929A - Connecting implement with stay - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connecting implement with a stay excelling in productivity and reduced in cost. <P>SOLUTION: A stay bracket includes: a connecting implement body 2 formed by bending a steel plate and having a first plate part 2a with a first formed outer surface 3a for fixing one of two parts, and a second plate part 2b with a second formed outer surface 3b for fixing the other part; and the stay 4 formed as a steel plate for reinforcing the back side of the connecting implement body 2, and having a first outer edge 5a fitted to the back face 6a of the first plate part to support the back face 6a, and a second outer edge 5b fitted to the back face 6b of the second plate part to support the back face 6b. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a connecting device with a stay used for connecting an engine to a vehicle body frame or for reinforcing a beam and a column.

A conventional connecting device with a stay has a first flat plate portion formed with a first outer surface for fixing one of the two portions, and a second flat plate formed with a second outer surface for fixing the other portion. And a metal triangular plate (stay) that reinforces the back side of the coupler main body, and the entire outer edge of the triangular plate is connected to the coupler main body. There is what is welded to the back surface of (see, for example, Patent Document 1).
JP 2001-207541 A (2nd page, FIG. 10)

  However, when the stay is a plate-like member as described above, it is difficult to perform temporary assembly with respect to the angle member, so that the welding work is complicated. Such complications have a problem that productivity is deteriorated.

  In addition, the connecting device having such a configuration requires welding of the entire mating surface after aligning the outer edge of the stay with the back surface of the connecting device body, so that the cost for the welding work is relatively high and the production cost is suppressed. It was an obstacle to doing.

  On the other hand, with regard to cost reduction, a method of reducing the number of welds by intermittently performing welding at the mating surface of the stay and the angle member is conceivable, but in this method, the coupling strength between the angle member and the stay is reduced. Therefore, the stay may be separated from the angle member even with a relatively weak impact.

  An object of the present invention is to provide a connecting tool with a stay that is excellent in productivity and low in cost.

In the connecting device with a stay according to the present invention, at least a first flat plate portion on which a first outer surface for fixing one of two portions is formed and a second outer surface for fixing the other portion are formed. A metal connector main body having a second flat plate portion connected to each other;
It becomes a metal member that reinforces the back side of the connector main body, and is joined to the back surface of the first flat plate portion to support the back surface, and the back surface of the second flat plate portion is supported to support the back surface. And a stay with a stay having a second outer edge,
The first outer edge of the stay includes a first protrusion protruding from the first outer edge,
The second outer edge of the stay is connected to the first flat plate portion of the connector main body while the first protrusion is penetrated so that the first outer edge of the stay is aligned with the back surface of the first flat plate portion of the connector main body. A slit hole that leads the stay to the back surface of the second flat plate portion of the connector main body so as to fit the back surface of the second flat plate portion,
The second outer edge of the stay has a second protrusion protruding from the second outer edge, and
The second flat plate portion of the connector main body is provided with a through hole through which the second protrusion penetrates so that the second outer edge of the stay fits the back surface of the two flat plate portion,
A welding portion for fixing the first protrusion and the slit hole is provided between the first protrusion and the slit hole.

  As a metal which comprises a connector main body and a stay, iron, aluminum, or stainless steel is mentioned, for example. The welding according to the present invention includes fusion welding or brazing. Examples of fusion welding include laser welding, and examples of brazing include argon welding.

  The connector main body has an L-shaped member formed by connecting the outer edge of the first flat plate portion and the outer edge of the second flat plate portion, one outer edge of the first flat plate portion or the second flat plate portion and the first flat plate portion or the first flat plate portion. Examples include a T-shaped member formed by connecting the other back surface of the two flat plate portions, or a groove-shaped member or an I-shaped member formed by using the two first flat plate portions.

  Moreover, it does not ask | require whether a connector main body is a thing which connected the 1st flat plate part and the 2nd flat plate part separately independently. That is, the connector main body according to the present invention may be formed by welding an integrally formed product by casting or the like, and separate independent first plate portion and second plate portion. Furthermore, when the connector main body is an L-shaped or groove-shaped member, the connector main body can be formed by bending a metal flat plate. In the case of a product obtained by bending a flat plate, the thickness of the flat plate is preferably 3.0 mm or more and 19 mm or less.

  In addition, the first protrusion and the slit hole may adopt various shapes as the shape of the first protrusion and the slit hole as long as the first protrusion penetrating the slit hole can move along the slit hole. it can. For example, if the tip end portion of the first protrusion is folded back, when the second outer edge of the stay is brought into contact with the back surface of the second flat plate portion of the connector body, the stay is removed by being caught by the lower end edge of the slit hole. Can be firmly fixed temporarily.

  Further, the second protrusion and the through hole thereof may be various as the second protrusion and the through hole as long as the second outer edge of the stay is configured to fit the back surface of the second flat plate portion of the connector main body. A fitting hole for fixing the second protrusion to the through hole can be adopted by adopting a fit structure such as an interference fit or an interference fit between the second protrusion and the through hole. It is preferable to function as.

In addition, as a method of forming the slit hole or the through hole in the connector main body, punching, cutting, laser processing, or the like by a press can be cited. As the laser processing, for example, a CO ₂ laser device is used. Things.

  In addition, examples of the stay include a stamping process using a flat plate, a cutting process, or a laser process using a flat plate. However, according to this invention, the outer edge of a stay should just support the back surface of a connector main body. For this reason, as a stay, you may use the thing of the block shape which the outer edge comprises a big surface like a prism other than a flat plate, for example. Furthermore, the side shape of the stay is not limited to a triangular shape as long as the back side of the connector main body can be reinforced.

  In the present invention, when the stay is temporarily assembled on the back side of the connector main body, first, the first protrusion of the stay is inserted into the slit hole of the connector main body, and the first outer edge of the stay is the first flat plate of the connector main body. Fit the back of the part.

  Next, when the stay is moved along the slit hole to the back surface of the second flat plate portion of the connector main body while the first protrusion is penetrated, the second outer edge of the stay is placed on the back surface of the second flat plate portion of the connector main body. At the same time, the second protrusion of the stay penetrates the through hole of the connector main body.

  Thereby, a connector main body and a stay can be temporarily assembled, without using means, such as an adhesive agent.

  After the temporary assembly, the gap between the slit hole and the first protrusion is fixed by welding. In some cases, the gap between the second protrusion and the through hole is also fixed by welding.

  Thereby, a connection tool with a stay can be manufactured, without welding the whole outer edge of a stay.

  Therefore, according to the present invention, it is possible to provide a connecting device with a stay that is excellent in productivity and low in cost.

  Further, if the through hole of the connector main body is a fitting hole for fixing the second protrusion, welding of the second protrusion and the through hole can be omitted. However, according to the present invention, even when the through hole is a fitting hole, the second protrusion and the through hole can be welded. It does not deny welding.

  Moreover, if the member formed by bending a metal flat plate is used as the connector main body, the productivity of the connector main body is improved and the manufacturing cost can be suppressed. For this reason, even if it sees as the whole connection tool with a stay, the further improvement of productivity and cost reduction will be achieved.

  Hereinafter, with reference to drawings, the connecting tool with a stay which is the present invention is explained in detail.

  1 and 2 are a perspective view showing a stay bracket 1 according to the first embodiment of the present invention from the first outer surface side and a perspective view showing from the second outer surface side, respectively. FIG. 3 is a perspective view showing the stay bracket 1 from the back side.

  4 and 5 are a front view and a bottom view, respectively, showing the stay bracket 1 from the first outer surface side and the second outer surface side.

  The stay bracket 1 is a connector for connecting an engine on a body frame of a large special vehicle. The stay bracket 1 includes a connector main body 2 and a stay 4.

  FIG. 6 is a perspective view showing the connector main body 2 which is a component of the stay bracket 1 from the back side. As shown in FIG. 6, the connector main body 2 is an L-shaped angle member that has a first flat plate portion 2a and a second flat plate portion 2b and is formed by bending a flat steel plate by press working.

  As shown in FIG. 1, a flat first outer surface 3a is formed on the first flat plate portion 2a. The first outer surface 3a is fixed to a predetermined part of the engine (not shown) to fix the engine. Similarly, a flat second outer surface 3b is formed on the second flat plate portion 2b as shown in FIG. The second outer surface 3b is fitted to a predetermined part of a vehicle body frame (not shown) to fix the vehicle body frame.

  FIG. 7 is a perspective view showing the stay 4, which is another component of the stay bracket 1, from the mating side with the connector main body 2. The stay 4 is made of a triangular steel plate that reinforces the back side of the connector main body 2.

  As shown in FIG. 7, the stay 4 has a flat first outer edge 5 a that forms a part of the outer shape, and the first outer edge 5 a is integrally formed with a first protrusion 7 a that protrudes from the first outer edge 5 a. Is provided.

  On the other hand, the connector main body 2 is formed with a slit hole 8 through which the first protrusion 7a of the stay 4 passes. As shown in FIG. 1 and the like, the slit hole 8 extends toward the second flat plate portion 2b. The length of the slit hole 8 is set so that at least the second outer edge 5b of the stay 4 is aligned with the back surface 6b of the second flat plate portion 2b to support the back surface 6b, as shown in FIGS. To do.

  Thus, when the stay 4 is moved along the back surface 6a of the first flat plate portion 2a to the back surface 6b of the second flat plate portion 2b, the stay 4 uses the slit hole 8 as a guide, and the second outer edge 5b thereof is the second flat plate. It is guided to the back surface 6b of the second flat plate portion 2b along the back surface 6a of the first flat plate portion 2a until it contacts the back surface 6b of the portion 2b.

  Similarly, as shown in FIG. 7, the second outer edge 5b that forms a part of the external shape of the stay 4 is also flat, and the second outer edge 5b includes a first protrusion 7b protruding from the second outer edge 5b. Are integrally provided at two positions spaced apart from each other.

  On the other hand, the connecting portion main body 2 is formed with a through hole 9 through which the second protrusion 7b passes. As shown in FIG. 9 described later, the through-hole 9 is set so that the first outer edge 5a of the stay 4 fits the back surface 6a of the first flat plate portion 2a and supports the back surface 6a.

  Accordingly, when the stay 4 is moved along the slit hole 8 to the back surface 6b of the second flat plate portion 2b while the first protrusion 7a is penetrated, the second outer edge 5b of the stay 4 is aligned with the back surface 6b, and the stay Four second protrusions 7 b pass through the through hole 9.

  In this embodiment, the space between the second protrusion 7b and the through hole 9 is set as an interference fit or an interference fit. Thereby, the through-hole 9 functions as a fitting hole for fixing the second protrusion 7b. However, when welding between the 2nd protrusion 7b and the through-hole 9, you may set as clearance fit.

  Reference numeral 11 denotes a welded portion that fills a gap C formed between the slit hole 8 and the first protrusion 7 a and fixes the stay 4 to the angle member 2. In this embodiment, the welded portion 11 is a welding material brazed to the gap C by using argon welding or the like.

  Next, a method for manufacturing the stay bracket 1 will be described with reference to FIGS. 8 and 9 are cross-sectional views showing a first step and a second step for temporarily assembling the stay 4 to the connector main body 2, and FIG. 10 shows the connector main body 2 and the stay. 4 is a cross-sectional view showing a state in which a stay bracket 1 is formed by being fixed to a portion by welding.

  As described above, the stay bracket 1 includes the connector main body 2 shown in FIG. 6 and the stay 4 shown in FIG. 7. The stay bracket 1 is manufactured by temporarily assembling both, and then welding them together.

  When the stay 4 is temporarily assembled to the connector body 2, first, as shown in FIG. 8, the first protrusion 7 a of the stay 4 is inserted into the slit hole 8 of the connector body 2, and the stay 4 One outer edge 5 a is fitted to the back surface 6 a of the first flat plate portion 2 a of the connector main body 2.

  Next, when the stay 4 is moved along the slit hole 8 to the back surface 6b of the second flat plate portion 2b as shown by the arrow in FIG. 4, the second outer edge 5 b meets the back surface 6 b of the second flat plate portion 2 b of the connector main body 2, and the second protrusion 7 b of the stay 4 passes through the through hole 9 of the connector main body 2.

  Thereby, as shown in FIG. 9, the connector main body 2 and the stay 4 can be temporarily assembled, without using means, such as an adhesive agent.

  After the temporary assembly, as shown in FIG. 10, the gap C between the slit hole 8 and the first protrusion 7a is fixed by welding. Thereby, the stay bracket 1 can be manufactured without welding the entire outer edges 5a and 5b of the stay 4.

  Therefore, according to the present invention, it is possible to provide a connecting device with a stay that is excellent in productivity and low in cost.

  In this embodiment, the slit hole 8 and the first protrusion 7a are brazed with a separate welding material by using, for example, argon welding, and the gap C formed between the connector main body 2 and the stay 4 is brazed. However, the base material itself such as the first protrusion 7a provided on the connector main body 2 and the stay 4 forming the slit hole 8 may be heated and melted for fusion welding.

  Further, in this embodiment, since the second protrusion 7b and the through hole 9 are fixed with an interference fit or an interference fit, there is no need for welding. That is, in this embodiment, since the through hole 9 is a fitting hole for fixing the second protrusion 7b, welding between the second protrusion 7b and the through hole 9 can be omitted.

  However, according to the present invention, even when the through hole 9 is used as a fitting hole, the second protrusion 7b and the through hole 9 can be welded. This does not deny welding with the two protrusions 7b. For this reason, if reliable fixation is realized, the second protrusion 7b and the through hole 9 are also fixed together by welding.

  In this embodiment, a member obtained by bending a metal flat plate is used as the connector main body 2. By using such a bent member, the productivity of the connector main body 2 can be improved and the manufacturing cost can be suppressed. For this reason, even when viewed as the stay bracket 1 as a whole, further improvement in productivity and cost reduction are achieved.

  In this embodiment, when the stay 4 is temporarily assembled to the connector main body 2, the second protrusion 7 b of the stay 4 has a first protrusion 7 a as shown in FIG. When it penetrates in the state which contacted the upper end part 8a of this slit hole 8, it is comprised so that it may not contact the back surface 6b of the 2nd flat plate part 2b.

  That is, the upper edge 8a of the slit hole 8 has at least the second projection 7b of the stay 4 when the first projection 7a of the stay 4 is passed through, as shown in FIG. The height is set so as not to contact the back surface 6b.

  In the present embodiment, the lower end edge 8b of the slit hole 8 is, as shown in FIG. 9, when the second outer edge 5b of the stay 2 is aligned with the back surface 6b of the second flat plate portion 2b. However, the gap may be formed between the first protrusion 7a and the first protrusion 7a. In this case, such a gap can be filled as the welded portion 11 by welding.

Further, the width T ₈ widthwise (lateral) direction of the slit 8, as shown in FIG. 4, substantially the same as the width T _7a of the first protrusion 7a, the first protrusion 7a is substantially with respect to the slit holes 8 without any gap, but is configured to be slidable between the upper edge 8a and the lower edge 8b, it may be larger configuration than the width T ₈ of slits 8 is the width T _7a of the first protrusion 7a. Also in this case, such a gap can be filled as the welded portion 11 by welding.

  FIG. 11 is a cross-sectional view showing the stay bracket 10 according to the second embodiment of the present invention, in which the stay bracket 10 is formed by fixing between the connector main body 2 and the stay 4 by welding. is there.

  According to the present invention, the stay 4 is not limited to the case where the first outer edge 5a and the second outer edge 5b of the stay 4 form a right angle as in the first embodiment, but as in the second embodiment shown in FIG. Even when the first outer edge 5a and the second outer edge 5b form an acute angle, as in the first embodiment, the stay 4 is moved through the slit hole 8 while the stay 4 is placed on the second flat plate portion 2b. It is possible to temporarily assemble the connector main body 2 and the stay 4 simply by moving toward the back surface 6b.

  That is, the present invention can be applied to the connector main body 2 in which the first outer edge 5a and the second outer edge 5b form an acute angle as in the present embodiment.

  The above description shows only one embodiment of the present invention, and various modifications can be made according to the claims. For example, the stay 4 is not limited to a flat plate shape, and may be a block body such as a square member that lays the back side of the connector main body 2. Moreover, each structure employ | adopted for each form can be combined with each other suitably.

  If this invention is employ | adopted when connecting two site | parts integrally, it does not ask | require whether the said site | part exists on the same symmetrical object, or a different target object. For this reason, this invention is not limited to vehicles, The reinforcement function about a corner is requested | required, such as for construction.

It is a perspective view which shows the stay bracket which is the 1st form of this invention from the 1st outer surface side. It is a perspective view which shows the stay bracket of the same form from the 2nd outer surface side. It is a perspective view which shows the stay bracket of the same form from the back surface side. It is a front view which shows the stay bracket of the same form from the 1st outer surface side. It is a bottom view which shows the stay bracket of the same form from the 2nd outer surface side. It is a perspective view which shows the connector main body which concerns on the same form from the back surface side. It is a perspective view which shows the stay which concerns on the same form from the mating side with a connector main body. It is sectional drawing which shows the 1st process for temporarily assembling a stay to the connector main body which concerns on the same form. It is sectional drawing which shows the 2nd process for temporarily assembling a stay to the connector main body which concerns on the same form. It is sectional drawing which shows the state which fixed between the connector main body and the stay which concern on the same form by welding, and formed the stay bracket. It is a stay bracket which is a 2nd form of this invention, Comprising: It is sectional drawing which shows the state which fixed between the coupling tool main body and the stay by welding, and formed the stay bracket.

Explanation of symbols

1 Stay bracket (connector with stay)
2 Connector body (angle member)
2a First flat plate (connector body)
2b Second flat plate (connector body)
3a First outer surface (connector body)
3b Second outer surface (connector body)
4 Stay 5a First outer edge (stay)
5b Second outer edge (stay)
6a Back surface of the first flat plate portion 6b Back surface of the second flat plate portion 7a First protrusion (stay)
7b Second protrusion (stay)
8 Slit hole (connector body)
8a Upper edge of slit hole 8b Lower edge of slit hole 9 Through hole (connector body)

Claims (3)

At least a first flat plate portion on which a first outer surface for fixing one of the two portions is formed and a second flat plate portion on which a second outer surface for fixing the other portion is formed. A metal connector body made by connecting;
It becomes a metal member that reinforces the back side of the connector main body, and is joined to the back surface of the first flat plate portion to support the back surface, and the back surface of the second flat plate portion is supported to support the back surface. And a stay with a stay having a second outer edge,
The first outer edge of the stay includes a first protrusion protruding from the first outer edge,
The second outer edge of the stay is connected to the first flat plate portion of the connector main body while the first protrusion is penetrated so that the first outer edge of the stay is aligned with the back surface of the first flat plate portion of the connector main body. A slit hole that leads the stay to the back surface of the second flat plate portion of the connector main body so as to fit the back surface of the second flat plate portion,
The second outer edge of the stay has a second protrusion protruding from the second outer edge, and
The second flat plate portion of the connector main body is provided with a through hole through which the second protrusion penetrates so that the second outer edge of the stay fits the back surface of the second flat plate portion,
A connecting tool with a stay, comprising a welded portion for fixing between the first protrusion and the slit hole.   The connection tool with a stay according to claim 1, wherein the through hole is a fitting hole for fixing the second protrusion.   The connecting tool with a stay according to claim 1, wherein the connecting tool body is a member formed by bending a metal flat plate.

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