JPH06185509A - Connecting structure between two parts - Google Patents

Abstract

PURPOSE:To provide a connecting structure between two parts with good workability, while surely restricting a horizontal direction, vertical direction and a front direction (mounting work direction) between one part and the other part, and further by performing work, in the case of mounting one part to the other part, in the work direction from the front direction similarly to the conventional. CONSTITUTION:In a connecting structure between two parts for connecting one part 1 having an open sectional structure provided with a connection receiving part 3 in the end part to the other part 2 having an open sectional structure provided with a connection part 10 received in the connection receiving part by overlapping the connection receiving part and the connection part with each other, a pair of engaging members 4, having an interposing surface 5 in an internal side surface and a holding surface 7 almost vertical to this interposing surface to provide the first engaging protrusion 8 in the point end and the second engaging protrusion 9 in the interposing surface, are provided in the connection receiving part of the one part 1. An inserting guide part 11, having an interposing surface receiving part 14 and a holding receiving surface 12, is provided in the connection part of the other part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure for connecting two parts.

[0002]

2. Description of the Related Art A conventional connecting structure between two parts will be described by using a center pillar garnish.

A connecting structure 23 between two parts for connecting the upper garnish 21 and the lower garnish 22, which are formed in a substantially U-shaped cross section, will be described with reference to FIGS. 5 and 6. A connecting portion 24 is provided at the end of the upper garnish 21,
Fitting holes 25 are formed at both ends of the outer peripheral surface 24a of the connecting portion 24.
Is provided. Further, the inner portion 22a of the lower garnish 22 that accommodates the connecting portion 24 of the upper garnish 21.
The fitting claw 2 that fits into the fitting hole 25 of the connecting portion 24.
6 is provided.

Then, the lower garnish 22 is aligned with the upper garnish 21 from the front direction (arrow A), and the fitting claw 26 of the lower garnish 22 is fitted into the fitting hole 25 in the connecting portion 24 of the upper garnish 21. The upper garnish 21 and the lower garnish 22 are connected by being inserted.

However, although such a connecting structure 23 between two parts is restricted in the vertical direction of the garnish (arrow B), there is no restriction in the lateral direction of the garnish, that is, in the opening direction (arrow C), and the opening of the mouth does not occur. It was happening.

Here, as a measure for preventing the opening of the center pillar garnish as described above, a connecting structure 30 between two parts as shown in FIG. 7 has been developed.

At the end of the upper garnish 31, a connecting portion 3 is provided.
2 is provided, and the step portion 3 of the upper garnish 31 that connects the connecting portion 32 and the upper garnish main body 31.
1a, that is, the contact surface 34 with the end surface 36 of the lower garnish 33 is provided with an engagement hole 35.

The end surface 36 of the lower garnish 33, which contacts the contact surface 34 of the upper garnish 31, has
Engaging claws 37 that engage with the engaging holes 35 are provided.

As a result, the lower garnish 33 is attached to the upper garnish 31 from the vertical direction B, and the engaging hole 35 provided in the contact surface 34 of the upper garnish 31 is engaged with the end surface 36 of the lower garnish 33. By engaging the claws 37, the upper garnish 31 and the lower garnish 33 are coupled to the center pillar garnish in the vertical direction B, and yet the opening in the lateral direction C is prevented and the upper garnish 31 and the lower garnish 31 are connected. Side garnish 33
It is possible to strengthen the connection between them.

[0010]

However, in the two-part connecting structure 30 improved as described above, the work direction for attaching the upper garnish (the other part) 31 and the lower garnish (the one part) 33 is improved. Is performed from the bottom to the top, that is, in the vertical direction B of the garnish, there is a problem that the lower end portion of the lower garnish 33 interferes with the floor surface of the vehicle, which makes mounting work extremely difficult.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a horizontal direction, a vertical direction and a front direction (mounting work direction) between one component and the other component.
While ensuring the regulation of 1), the work direction when assembling one part and the other part is performed from the front direction as in the conventional case, and a connection structure between two parts with good workability is provided. Especially.

[0012]

In order to achieve the above object, the present invention provides one component having an open cross-section structure having a connection receiving portion at an end thereof, and a connection portion accommodated in the connection receiving portion. In a connecting structure between two parts, in which the other part having an open cross-section structure is connected to the other part by superposing the connecting part and the connecting part, the connecting part of one part has a sandwiching surface on the inner surface and A pair of engaging members having a vertical holding surface and having a first engaging projection at the tip and a second engaging projection at the holding surface are provided, and the holding surface is provided at the connecting portion of the other component. An insertion guide portion having a holding surface receiving portion to be held and a holding receiving surface to receive the holding surface is provided, and a first engaging hole into which the first engaging protrusion is inserted and held. And a second engaging hole with which the second engaging protrusion is engaged.

[0013]

With this structure, the engaging member provided on one part holds and holds the insertion guide part provided on the other part while the first engaging projection inserts and holds the first engaging hole. Two
By engaging and holding the second engaging hole with the engaging projection, the lateral, vertical, and frontal directions between the two parts are surely regulated, and the mounting operation direction is performed from the frontal direction of the part body. As a result, work efficiency can be improved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A connecting structure between two parts of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view showing a center pillar garnish using a connecting structure between two parts of the present invention.

The center pillar garnish is constructed by connecting a lower garnish (one part) 1 and an upper garnish (the other part) 2 to each other using the connecting structure between two parts of the present invention.

A coupling receiving portion 3 having an open cross-section structure is provided at an end of the lower garnish 1, and engaging members 4 are provided on the left and right inside the coupling receiving portion 3, respectively. Each of these engaging members 4 is constructed by forming a mounting portion 4a for mounting the base end portion on the connection receiving portion 3, an inner side surface thereof as a sandwiching surface 5, and an upper surface and a lower surface thereof as a holding surface 7. There is. A first engaging projection 8 is provided at the tip of the engaging member 4, and an inner surface of the first engaging projection 8 is provided with a first holding surface 8.
a, the upper and lower portions are the first engagement holding portions 8b. Further, the holding surface 5 of the engaging member 4 is provided with a second engaging protrusion 9 having a lock portion 9a.

At the end of the upper garnish 2, there is provided a connecting portion 10 having an open cross-section structure which is accommodated in the connecting receiving portion 3 of the lower garnish 1.
Insertion guide portions 11 are formed at both ends of the. The upper surface and the lower surface of each of the insertion guide portions 11 serve as a holding surface 12, and an end surface perpendicular to the holding surface 12 is a mating surface 1.
3 and the inner side surface is used as the sandwiching receiving surface 14. The mating surface 13 is provided with a first engagement hole 15 penetrating from the front direction A of the garnish to the rear direction. The upper part and the lower part in the first engagement hole 15 are
Engagement holding receiving portion 15a, the first holding holding portion 15b inside
I am doing it. A second engagement hole 16 penetrating inward of the garnish is provided in the holding surface 14. The front end face in the front direction A of the garnish in the second engagement hole 16 serves as a separation preventing portion 16a.

The connecting work of the center pillar garnish using the connecting structure between two parts of the present invention configured as described above will be described.

After the upper garnish 2 is attached to the fixed portion of the vehicle body (not shown), the connection receiving portion 3 of the lower garnish 1 is aligned with the connecting portion 10 at the end portion of the upper garnish 2 from the front direction A. While inserting the first engaging projection 8 of the garnish 1 into the first engaging hole 15 of the upper garnish 2, the second engaging projection 9 of the lower garnish 1 is inserted into the second engaging hole 16 of the upper garnish 2. . Then, the first engagement holding portion 15a of the first engagement hole 15 holds the first engagement holding portion 8b of the first engagement projection 8, and the first holding portion 15b of each first engagement hole 15 is held. The first of each first engaging projection 8
The gripping surface 8a grips, and the gripping surface 5 of each engagement member 4 grips the gripping receiving surface 14 of the insertion guide portion 11. Further, at this time, the second engaging protrusion 9 is inserted into the second engaging hole 16, and the lock portion 9a of the second engaging protrusion 9 comes into contact with the separation preventing portion 16a of the second engaging hole 16. The second engagement protrusion 9 engages with the second engagement hole 16.

Thus, in the center pillar garnish using the above-described two-part connecting structure of the present invention, the work of attaching the lower garnish 1 to the upper garnish 2 is performed from the front direction A of the upper garnish 2 to the lower garnish. Since 1 is mounted, the mounting workability can be improved. Further, the first engagement protrusion 8 of the lower garnish 1 engages with the first engagement hole 15 of the upper garnish 2,
Each holding surface 5 of the lower garnish 1 has an upper garnish 2
By holding each holding surface 7 of the lower garnish 1 by each holding receiving surface 12 of the upper garnish 2, while holding the respective holding receiving surfaces 14 of the lower garnish 1 with respect to the upper garnish 2. The horizontal direction C and the vertical direction B, and the second engaging projection 9 engages with the second engaging hole 16 to move the upper garnish 2 and the lower garnish 1 in the mounting work direction A. Both can be firmly assembled while regulating.

In the regulation in the vertical direction B, each first engagement holding receiving portion 15a of the first engagement hole 15 and the first engagement projection 8 are provided.
4 in total, including the upper and lower two engagements with the respective first engagement holding portions 8b, and the upper and lower two engagements with each holding surface 7 of the lower garnish 1 and each holding receiving surface 12 of the upper garnish 2. Although the engagement is performed at the location, the regulation in the vertical direction B is achieved by the engagement combination of 2 to 4 locations having at least one engagement each at the upper and lower locations among the engagement locations at the four locations. You can also Further, in the regulation in the lateral direction C, the first sandwiching receiving portion 15b of each first engaging hole 15 and the first sandwiching surface 8a of each first engaging projection 8 are engaged with each other at two positions on the left and right, and each engaging. The holding surface 5 of the mating member 4 and the holding surface 14 of each insertion guide portion 11 are engaged at two positions on the left and right sides. It is also possible to achieve the regulation in the lateral direction C by a combination of 2 to 4 engagements each having one engagement at a time.

[0022]

As described above, the connecting structure between the two parts of the present invention constructed as described above has one part having an open cross-section structure in which the connecting receiving part is provided at the end, and the connecting part accommodated in the connecting receiving part. In a connecting structure between two parts, in which the other part having an open cross-section structure provided with a part is connected by overlapping the connecting part and the connecting part, the connecting part of one part has a sandwiching surface on the inner side surface. A holding surface that is substantially perpendicular to this, and a first engaging projection at the tip,
A pair of engaging members having a second engaging protrusion is provided on the holding surface, and a holding surface receiving portion that is held by the holding surface and a holding receiving surface that receives the holding surface are provided at a connecting portion of the other component. And a second engaging hole into which the first engaging protrusion is inserted and held, and a second engaging hole into which the second engaging protrusion engages. Therefore, the first engaging projection provided on one component is inserted and held in the first engaging hole provided on the other component, and the engaging member holds and holds the insertion guide portion while the second engaging protrusion is held. The engagement projection is engaged and held in the second engagement hole to ensure the regulation of the two parts in the lateral direction, the vertical direction, and the front (mounting work) direction. Work efficiency can be improved by carrying out from the direction.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a center pillar garnish using a connecting structure between two parts of the present invention.

FIG. 2 is a front view showing a connected state of center pillar garnishes.

FIG. 3 is a sectional view taken along line DD of FIG.

FIG. 4 is a diagram showing a main part E of FIG.

FIG. 5 is an exploded perspective view showing a center pillar garnish using a conventional connecting structure between two parts.

FIG. 6 is a sectional view of the same.

FIG. 7 is an exploded perspective view showing a center pillar garnish using an improved conventional connecting structure between two parts.

[Explanation of symbols]

 1 Lower garnish (one part) 2 Upper garnish (other part) 3 Connection receiving part 4 Engaging member 5 Clamping surface 7 Holding surface 8 First engaging protrusion 9 Second engaging protrusion 10 Connecting part 11 Insertion guide part 12 holding receiving surface 14 holding surface receiving portion 15 first engaging hole 16 second engaging hole

Claims (1)

[Claims] 1. A connection receiving part having one opening having a connection receiving part and having an open cross-section structure, and another part having an opening cross-section having a connection part accommodated in the connection receiving part. In a connecting structure between two parts for overlapping and connecting a connecting part, a connecting receiving part of one part has a holding surface on an inner side surface and a holding surface substantially perpendicular to the holding surface, and a first engaging member at a tip end. A pair of engaging members provided with a fitting protrusion and a second engaging protrusion on the holding surface, and a holding surface receiving portion held on the holding surface at a connecting portion of the other component, and a holding portion receiving the holding surface. A first engagement hole into which the first engagement protrusion is inserted and held in each of the insertion guide portions, and a second engagement in which the second engagement protrusion engages. A connecting structure between two parts characterized by forming a hole.