JP2577606Y2 - Connection structure of fiber reinforced resin plate members - Google Patents

Description

[Detailed description of the invention]

[0001]

This invention relates to a continuous synthetic resin plate member the worker
The binding, as in the metal plate, and the allow <br/> using spot welding, to a connecting structure of the fiber-reinforced resin plate member.

[0002]

BACKGROUND ART welding the connecting plate portion made of a synthetic resin represented by the FRP or the like <br/> material like (hereinafter simply referred to as a resin plate member)
Since it cannot be applied directly, there are known means for directly connecting the resin plate members with an adhesive, bonding a metal member to the resin plate member and connecting them with bolts, and directly connecting them with screws, bolts or rivets. Have been.
As a conventional example of the above , Japanese Utility Model Laid-Open No. 61-10252
0, JP Publication Nos. 61-145076, but also the
There is 62-70920 JP and the 63-34690 Patent Laid-Open Utility Model as conventional example.

[0003] As an example of the above, Japanese Utility Model Application Laid-Open No. 61-102.
No. 520 discloses a technique in which a U-shaped irregular portion, which is a fitting portion for joining, is formed at an end portion of a base resin sheet, and the other end portion is fitted to the irregular portion and adhered with an adhesive. It was done. In addition, Japanese Utility Model Application Laid-Open No. 61-145076 as the above example.
FIG. 10 shows the contents of Japanese Patent Application Laid-Open No. H10-15095. In order to connect an outer panel A as a resin member and an inner panel B as a metal member, protrusions A1 and A2 are formed on the back surface of the resin member A to form a recess D for adhesive pool. Is provided, and an adhesive C is applied in the concave portion D,
Surface edge portion B1 of the In'nabaneru B to the adhesive C
Are bonded so that they are buried , leaving
It has been proposed to connect the inner panel B to a hinge (not shown) by bolts and nuts.

[0004] As an example of the above , Japanese Utility Model Application Laid-Open No. 62-709.
The technology disclosed in Japanese Patent Publication No. 20 is simply superimposed,
In the method disclosed in JP-A-63-34690, as shown in FIG. 11, flange portions G1 and H1 are protruded inward from both resin panels G and H to be integrally molded, and bolt holes G2 and The bolts J passing through H2 are connected by tightening with nuts K via retainers I.

[0005]

However, according to the technique disclosed in Japanese Utility Model Application Laid-Open No. Sho 61-102520, a step is generated because an irregular shape projects at the end of the base resin sheet, and the connection is made to a smooth flat surface. Can not. In addition, the actual opening 61
In the example of JP-A-145076, a resin member and a metal member are bonded by an adhesive only on the facing surface of both, so that not only the bonding force is weak, but also the number of steps of fastening by bolts Is a problem. 62-7
The technique disclosed in Japanese Patent Application Laid-Open No. 0920/92 is simply superimposed and does not have a smooth flat surface similarly to the technique of Japanese Utility Model Application Laid-Open No. 61-102520. with the flange portion is projected must be formed is a problem in terms of molding cost man-hours to the resin panel, the bolt fastening method Ri inferior in workability, spot soluble
Panel assembly that performs assembly work because it is different from contact
It cannot be used in the attachment line and needs to be performed in another place . This invention is fiber-reinforced in view of the above
Resin plate member same or fiber-reinforced resin plate member and the metal member
Linking, similarly to the connecting of the metal plate, the flow work Rye
Use spot welding to improve quality and reduce man-hours
It can decrease, and rigidity is high, is intended to provide a connection structure that can smoothly linked.

[0006]

To achieve the above object, the construction of the present invention is such that the end of the fiber reinforced resin plate member is provided in advance.
Overlay the weldable metal connection with adhesive
Metal connecting parts of the adjacent resin plate members
Materials or metal connection members and metal plates in place of them
The members are connected by spot welding.

[0007]

According to the present invention, first, a retainer which is a metal connecting member weldable to an end of a panel which is a fiber reinforced resin plate member (hereinafter referred to as an FRP plate member) is bonded to an adhesive. so as to enclose at or widely applied so as to cover the entire metal member from above the metal member, and contact wear by the overlay,
The panel and the retainer can be integrated. Thus joined welded metal-made connecting member the or the metal
The manufacturing connecting member and the metal plate member to replace it, can be more secured to spot <br/> welding without interleave the special process on the line, or without working elsewhere,
The FRP plate member suitable for small-quantity production can be handled in the same manner as a metal plate suitable for mass production, and can be flowed to a conventional assembly line, thereby improving quality and reducing man-hours . .
In addition, the panels connected as described above have high rigidity and the planes are connected smoothly.

The present invention will be specifically described with reference to an embodiment applied to a classic bonnet type bus. FIG.
Is an overall view of the bus 1, 3 is a cab front panel of the bonnet part 2, 4 is a roof panel, 5 is a side panel, 6 is a back panel, and 7 is a body frame.

FIG. 2 is an assembled perspective view of the bonnet portion 2 and a cab front panel 3 is made of a polyester-based FRP plate.
The engine hood 31 and the fender 32, which are members, are integrally formed. The front side of the hood 2 is pivotally connected to the frame 7 via a hinge 22 around a steel front rain hose 21, and the rear side is connected to a steel rear rain hose 23 fixed to the body. It is configured to be positioned via the locking rain hose 24.

As shown in FIGS. 3 and 4, the cab front panel 3 and the rain hoses 21 and 23 are provided with a steel straight retainer 10 made of the same resin as the panel 3, that is, F.
Using a polyester-based adhesive 90 as a base material of RP, the panel 3 is bonded to the panel 3 so as to wrap the overlay (overlay), that is, the retainer 10, in a layered manner, and further penetrates the hole 10a formed in the retainer 10. And firmly adhere. And the other end 10 of the retainer 10
b is welded 9 1 Mr connected to a reinforcement 21 or 23 by arc welding.

[0011]

Embodiment 1 Roof panel 4 made of FRP of the bus of FIG .
When present a drip rail 51 of steel side panels 5
Examples linked by invented, FIG 5 the assembled perspective view
6 and 7 are enlarged views of the connecting portion. The contact desorption method, a plurality of holes 11a, a flange 11b, cross section a modified L-shape, the said hole 11a side steel retainer 11 having an end portion inner periphery equivalent to the length of the roof panel 4 The adhesive 92 is brought into contact with the inner side surface 4a of the roof panel 4 and applied (overlaid) so as to cover the epoxy-based adhesive 92 from above, and the adhesive 92 is also applied from the hole 11a.
Through, it shall der to contact wear and the panel inner surface 4a
You . Thus, although the metal connecting member to FRP plate member is integrally coupled, the flange portion 11b of the retainer 11, the spot welding 93 said consolidated into the drip rail 51 of the side panel 5 as shown in FIG. 6 It was done. The overlay may be performed during a curing process in which the resin at the time of molding the roof panel 4 has not yet been completely cured, so that fusion bonding having higher bonding strength than simple bonding can be obtained. .

[0012]

As Example 2 Example decoction Gana such steel drip rails 51 of the first embodiment described above, an FRP plate member What happened, drawing an example of connecting directly the roof panel 4 and the back panel 6 8, 9 Illustrated in FIG. In this case, one side has a plurality of holes 12.
a and 13a, and the flanges 12b and 13b at the other end.
After the steel retainers 12 and 13 having a substantially L-shaped cross section and having a long cross section are wrapped and bonded so as to be wrapped by a polyester-based adhesive 94, respectively, the two panels 4 , 6 are matched so that the surfaces thereof are aligned and smooth, and the flanges 12b and 13b are spot welded 95 to each other. And both panels 4, 6
The filler 94a of the same color was applied to a slight gap of the above to finish it smoothly. Thereby, both panels 4 and 6 are made of metal plate.
Can be handled on the production line in exactly the same way, with high rigidity and smoothness
Linked to

[0013] Retail Na 1 is a metallic connecting member to the panel 4, 6 is a FRP plate member as in the above Example 1 and 2
1 , 12 and 13 are wrapped so as to be wrapped with adhesives 92 and 94, and the adhesive is passed through a plurality of holes 11a, 12a and 13a respectively provided in the retainer. If they are connected, they will be further strongly bonded and joined. And as the adhesive, the same material as the FRP plate member
In terms of quality, by overlaying during the curing process of the resin as in the first embodiment, it is not necessary to simply adhere, but to a retainer, that is, an emergency equivalent to a metal connection member embedded in the resin member. To have high adhesive strength. Between thus strongly like adhered and welding retail na 1 1 de liter <br/> Pureru 51, also the retainer 12, 13 together perform spot welding, thereafter, it is coated on the metal member Will be applied. In this way, even the FRP plate member can be handled substantially as a metal member, so that the FRP plate member can be flowed to a conventional assembly line without interposing a special process, thereby improving workability.

[0014]

According to the present invention, as described above, a metal connection member that can be welded in advance to an end of a fiber reinforced resin plate is used as an adhesive.
Overlay and glue the adjacent resin plate parts
Metal connecting members or between the metal connecting members
The metal plate member in place of was connected by spot welding , so by first applying it to the fiber reinforced resin plate member,
It is easier to attach metal connection members,
It is easy to manufacture and has good compatibility with the adhesive.
Can be strengthened. Further, the fiber reinforced resin plate member
On the other hand, the metal connection member is formed by an adhesive overlay.
Accordingly , it is possible to obtain not only the resin plate member but also a very high adhesive strength equivalent to that in which the metal connecting member is embedded in the resin plate member. Also,
Metal bonded strongly to fiber reinforced resin plate member
Connection members, or the metal connection member and its substitute gold
And genus made plate member, a metal plate or between the metal plate and metal securing
Spot welding can be performed as well as joining
The number of assembly steps is small, and special processes are interposed in the line.
Without the need for additional work space
From the assembly line to
In addition, the number of steps can be reduced. In addition , the present invention
According to this, the resin plate members can be connected with high rigidity and smoothly.
There is fruit. Further, the connection structure of the present invention can be adapted to a small-sized to a large-sized member and a member having a complicated shape, and can be made into a line, and there is a case where the industrial effect is very large. In addition, since the fiber reinforced resin plate member can be treated as a metal plate , it is possible to convert a member that could not be formed into a resin conventionally into a resin, thereby greatly expanding the degree of freedom of design and reducing the cost.

[0015]

[Brief description of the drawings]

FIG. 1 is an overall view of a bus to which the present invention is applied;

FIG. 2 is an assembled perspective view of a front portion of a bus to which the present invention is applied ;

FIG. 3 is a perspective view showing the rain hose,

FIG. 4 is a sectional view of the connecting portion,

FIG. 5 is an assembled perspective view of the first embodiment;

FIG. 6 is an enlarged view of the connecting portion,

FIG. 7 is an enlarged view of the retainer,

FIG. 8 is an assembled perspective view of the second embodiment.

FIG. 9 is an enlarged view of the retainer,

FIG. 10: Conventional example

FIG. 11 is a conventional example.

[Explanation of symbols]

3 Cab front panel 4 Leaf panel 5 Side panel 6 Back panel 7 Body frame 10, 11, 12, 13 Retainer ( metallic connection for welding
Continuation member) 10a, 11a, 12a, 13a Holes in retainer 12b, 13b Flange 21, 23 Rain hose 90, 92, 94 Adhesive 91, 93, 95 Weld.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B23K 11/16 101 B23K 11/11 540 B29C 65/00 B23K 33/00 B62D 25/00 B62D 65/00 B62D 27/00

Claims (1)

(57) [Scope of request for utility model registration] 1. An end portion of a fiber reinforced resin plate member can be welded in advance.
Functional metal connecting members are overlaid with adhesive and bonded
At least, the metal connecting members of the adjacent resin plate members are adjacent to each other.
Or the metal connection member and a metal plate member instead of the metal connection member
Are connected by spot welding.