JPH0573303U - Connection structure between two parts - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve workability by ensuring the regulation in the vertical and horizontal directions between two parts, and by making the mounting work between the two parts from the front direction. You can [Structure] One component 1 having an open cross-sectional structure in which a connection receiving portion 4 is provided at an end, and a connection portion 9 accommodated in the connection receiving portion 4.
In the connecting structure between the two parts, in which the connecting part 4 and the connecting part 9 are overlapped and connected to the other part 2 having the open cross-section structure, the first holding part is connected to the connecting part 9 of the one part 1. A first engaging protrusion 7 having a portion 7b, and the first holding portion 7b
Second engaging projection 8 having a second holding portion 8b substantially perpendicular to the
And a first engaging hole 13 having a first holding receiving portion 14 for inserting and holding the first engaging protruding portion 7 in the connecting portion 9 of the other component 2 and the second engaging protruding portion 8. The second engaging hole 15 having the second holding receiving portion 16 for inserting and holding is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connecting structure for connecting two parts.

[0002]

[Prior Art]

 A conventional connecting structure between two parts will be described by using a center pillar garnish.

A connecting structure 23 between the 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 FIG. A coupling portion 24 is provided at the end of the upper garnish 21, and fitting holes 25 are provided at both ends of the outer peripheral surface 24a of the coupling portion 24. A fitting claw 26 that fits into the fitting hole 25 of the connecting portion 24 is provided on the inner portion 22a of the lower garnish 22 that accommodates the connecting portion 24 of the upper garnish 21.

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 fitted.

However, as shown in FIGS. 5 and 6, such a connecting structure 23 between two parts is regulated in the vertical direction of the garnish (arrow B), but in the lateral direction of the garnish, that is, in the mouth opening direction (arrow C). There was no regulation and there was an open mouth.

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.

A connecting portion 32 is provided at an end portion of the upper garnish 31, and a step surface portion 31 a of the upper garnish 31, which connects the connecting portion 32 and the upper garnish body 31, that is, an end surface 36 of the lower garnish 33. An engaging hole 35 is provided in the contact surface 34 with the.

Further, an engaging claw 37 that engages with the engaging hole 35 is provided on an end surface 36 of the lower garnish 33 that contacts the contact surface 34 of the upper garnish 31.

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 provided in the end surface 36 of the lower garnish 33. By engaging the engaging claws 37, the upper garnish 31 and the lower garnish 33 are connected to the center pillar garnish in the vertical direction B, and yet the upper garnish is prevented from opening in the lateral direction C. The connection between the shoe 31 and the lower garnish 32 can be strengthened.

[0010]

[Problems to be solved by the device]

 However, in the two-part connecting structure 30 improved as described above, the mounting work direction of the upper garnish (the other part) 31 and the lower garnish (the one part) 32 is from bottom to top, that is, Since it is performed in the vertical direction B of the garnish, there is a problem in that the lower end of the lower garnish 32 interferes with the vehicle floor surface, 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 ensure horizontal and vertical regulation of one component and the other component while An object of the present invention is to provide a connecting structure between two parts, which has good workability, by performing the work direction when mounting one part and the other part from the front direction as in the conventional case.

[0012]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention has one part having an open cross-section structure having a connection receiving part at an end and another part having an open cross-section structure having a connection part accommodated in the connection receiving part. In a connecting structure between two parts for connecting a part to each other by superposing the connecting part and the connecting part, a first engaging projection part having a first holding part in the connecting part of one part, and the first holding part. A first engaging receiving portion for inserting and holding the first engaging protruding portion into a connecting portion of the other component. It is characterized in that a fitting hole and a second engaging hole having a second holding receiving portion for inserting and holding the second engaging projection portion are provided.

[0013]

[Action]

 With this configuration, the first engagement protrusion and the second engagement protrusion provided on one component are engaged with and retained by the first engagement hole and the second engagement hole provided on the other component. As a result, the horizontal and vertical restrictions between the two parts can be ensured, and workability can be improved by performing this mounting work direction from the front side of the component body.

[0014]

【Example】

 Hereinafter, a connection structure between two parts of the present invention will be described 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 formed by connecting a lower garnish (one part) 1 and an upper garnish (the other part) 2 to each other using the connecting structure 3 between two parts of the present invention. There is.

A connection receiving portion 4 having an open cross-section structure is provided at an end portion of the lower garnish 1, and vertical ribs 5 a and horizontal ribs 5 b are made orthogonal to each other inside the connection receiving portion 4. Thus, the front cross-shaped engaging members 6 are provided respectively. The engaging member 6 has a first engaging protrusion 7 formed on the horizontal rib 5b and a second engaging protrusion 8 formed on the vertical rib 5a. The first engaging projection portion 7 is composed of a projection portion 7a, a first holding portion 7b and a taper portion 7c, and the projection portion 7a is formed by extending the tip of the lateral rib 5b. The tip of the outer surface of the protrusion 7a is a tapered portion 7c, and the outer portion of the protrusion 7a is a first holding portion 7b. The second engaging protrusion 8 is composed of a protrusion 8a, a second holding portion 8b, and a taper portion 8c. The protrusion 8a is formed by notching the lower end of the upper portion of the vertical rib 5a. The top surface of the tip of the protrusion 8a is a tapered portion 8c, and the lower portion of the protrusion 8a is a second holding portion 8b.

Further, at the end of the upper garnish 2, there is provided a connecting portion 9 having an open cross-section structure that is accommodated in the connecting receiving portion 4 of the lower garnish 1, and at both ends of this connecting portion 9. An insertion guide portion 10 is formed. Each of the insertion guide portions 10 is formed of an end surface 11 and an inclined surface 12 that is inclined toward the end surface 11 side. The end surface 11 of each insertion guide portion 10 has a first surface penetrating from the front direction A to the rear direction. Engagement holes 13 are formed. The outer edge of the first engaging hole 13 serves as the first holding receiving portion 14. Further, the inclined surface 12 is formed with a second engaging hole 15 penetrating in the vertical direction B of the garnish, and a lower end edge portion of the second engaging hole 15 serves as a second holding receiving portion 16.

The connecting work of the center pillar garnish using the connecting structure 3 between the two parts of the present invention configured as described above will be described.

After attaching the upper garnish 2 to a fixed portion of the vehicle body (not shown), the connection receiving portion 4 of the lower garnish 1 is aligned with the connecting portion 9 at the end of the upper garnish 2 from the front direction A, While inserting the first engagement protrusion 7 of the lower garnish 1 into the first engagement hole 13 of the upper garnish 2, the second engagement protrusion 8 of the lower garnish 1 is engaged with the second engagement of the upper garnish 2. Insert into hole 15. At this time, when the first engaging projection 7 is engaged with the first engaging hole 13, the first engaging hole 13 is formed so as to have a space in the lateral direction C, and Since the tapered portions 7c and 8c are formed on the projecting portion 7 and the second engaging projecting portion 8, the first engaging projecting portion 7 and the second engaging projecting portion 8 are the first engaging hole 13 and the second engaging projecting portion 8. The second engaging holes 15 can be fitted in smoothly. Then, while the first holding portion 7b of the first engaging protrusion 7 is held by the first holding receiving portion 14 of the first engaging hole 13, the second holding portion 8b of the second engaging protrusion 8 simultaneously moves to the first holding portion 8b. It is held by the second holding receiving portion 16 of the two engaging holes 15.

The first holding portion 14 of the first engaging hole 13 may be provided on the inner edge, and the first holding portion 7b of the first engaging projection 7 may be provided on the inner side of the projection 7a.

Accordingly, in the center pillar garnish using the connecting structure 3 between the two parts of the present invention, the operation of attaching the lower garnish 1 to the upper garnish 2 is from the front direction A of the upper garnish 2. Since the lower garnish 1 is attached, the assembling workability can be improved. Further, the first engagement protrusion 7 of the lower garnish 1 engages with the first engagement hole 13 of the upper garnish 2, thereby restricting the lower garnish 1 in the lateral direction C with respect to the upper garnish 2. Moreover, the upper engagement garnish 2 and the lower engagement garnish 1 can be restricted in the vertical direction B by the second engagement projections 8 engaging the second engagement holes 15.

Further, since the engagement member 6 is formed in a front cross shape with the vertical ribs 5 a and the horizontal ribs 5 b orthogonal to each other, the first engagement protrusion 7 and the second engagement protrusion 8 are formed. It is possible to strengthen the rigidity.

[0023]

[Effect of the device]

 The connecting structure between the two parts of the present invention constructed as described above is provided with one part having an open cross-section structure having the connecting receiving part at the end and the connecting part accommodated in the connecting receiving part. In a connecting structure between two parts for connecting the other part having a cross-sectional structure by overlapping the connecting part and the connecting part, the first engaging protrusion part having the first holding part in the connecting part of the one part. And a second engaging protrusion having a second retaining portion that is substantially perpendicular to the first retaining portion, and the first retaining protrusion that inserts and holds the first engaging protrusion into the connecting portion of the other component. Since the first engaging hole having the above and the second engaging hole having the second holding receiving portion for inserting and holding the second engaging protruding portion are provided, the first engaging protrusion provided on one component And the second engagement protrusion are engaged and held in the first engagement hole and the second engagement hole provided in the other component, so that between the two components. Regulations lateral and vertical can be ensured, Note and can improve the working efficiency by performing the mounting operation direction this from the component body front direction.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a center pillar garnish using a connection structure of the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is a front view showing a combined state of center pillar garnishes.

4 is a cross-sectional view taken along the line DD of FIG.

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

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.

[Explanation of symbols]

 1 Lower garnish (one part) 2 Upper garnish (other part) 3 Connection structure between two parts 4 Connection receiving part 7 1st engaging protrusion 7b 1st holding part 8 2nd engaging protrusion 8b 2nd Holding part 9 Connection part 13 1st engaging hole 14 1st holding receiving part 15 2nd engaging hole 16 2nd holding receiving part

Claims (1)

[Scope of utility model registration request] 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 first engaging projection part having a first holding part in a connection receiving part of one part, and a second engaging part substantially perpendicular to the first holding part. A second engaging protrusion having a holding portion, a first engaging hole having a first holding receiving portion for inserting and holding the first engaging protrusion in a connecting portion of the other component, and the second engaging hole A connecting structure between two parts, characterized in that a second engaging hole having a second holding receiving portion for inserting and holding the fitting protrusion is provided.