JP2001246984A - Mounting shaft device for rear parcel shelf - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a shaft main body from coming off from a pipe due to permanent set in fatigue or manufacturing error of a parcel shelf for the pipe and to provide a sense of moderation when the shaft main body is fitted in the pipe. SOLUTION: Fitting parts 42 are formed in a pair of shaft main bodies 4 attached rotatably to both sides of a vehicle body 10, respectively, and engaging projections 43 are formed in the fitting parts 42. When the shaft main bodies 4 are mutually connected with the pipe 3 by fitting the fitting parts 42 in both ends of the pipe 3, engaging parts 31 engaged with the engaged projections 43 are formed in both end parts of the pipe 3 to constitute a locking mechanism of the shaft main bodies 4 and the pipe 3 due to the engagement of the engaging projections 43 with the engaging parts 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting shaft device for a rear parcel shell used in a hatchback-type automobile or the like, and more particularly, to a mounting shaft device for a rear parcel shelf of a type in which the rear shelf is operated in conjunction with a back door. About.

[0002]

2. Description of the Related Art A conventional rear parcel shelf mounting shaft device uses a rear parcel shelf a as shown in FIGS. 11 to 13 in order to cover an upper portion of a cargo room of a hatchback type automobile or the like. The rear parcel shelf a has one end of a square pipe b attached thereto,
The pipe b is mounted via a pair of shaft bodies c pivotally attached to both sides of the vehicle body. Although not shown, the other end of the rear parcel shelf a is configured to open and close in conjunction with the back door.

A shaft body c has a base e having a pivot d projecting from one end and pivotally attached to both sides of a vehicle body (not shown).
And a bifurcated portion f protruding from the other end of the base e. The lower end of the base e is separated from the bifurcated portion f while facing the bifurcated portion f. As a result, a fitting tongue portion g is formed so as to protrude.

In the shaft body c, the fitting portion f is fitted to the pipe b, and the lower side of the pipe b is fitted between the fitting tongue portion g and the fitting portion f. A parcel shelf a is attached to the vehicle body via a pipe b.

[0005]

In the conventional parcel shelf mounting apparatus constructed as described above, the fitting of the fitting portion f of the shaft main body c to the pipe b is performed by a press-fitting machine or manually. Although the interference is fixed,
Since the rear parcel shelf a opens and closes in conjunction with the operation of the back door, considerable gravity is applied to the shaft body c.

For this reason, a relative load is applied between the pipe b and the shaft main body c, and there is a possibility that settling occurs due to strong interference fixation, and the shaft main body c comes off from the pipe b. .

Further, when the forked fitting portion f is manually fitted to the pipe b, it is difficult to control the fitted dimensions because there is no sense of moderation.

Further, due to variations in the manufacturing dimensions of the pipe b and the shaft body c, the shaft body c with respect to the pipe b
There is a possibility that the pulling force varies.

In view of the foregoing, the present invention is configured to prevent the shaft main body from coming off the pipe due to a set or a manufacturing error of the pipe, and to give a sense of moderation when the shaft main body is fitted to the pipe. It is an object of the present invention to provide a rear parcel shelf mounting shaft device that can be fitted by fitting.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a mounting shaft device for swingably mounting a parcel shelf of a vehicle on a vehicle body, and rotatably mounted on both sides of the vehicle body. A fitting portion is formed on each of the pair of shaft bodies, and an engaging protrusion is formed on the fitting portion, and the fitting portion is fitted on both ends of a pipe mounted on the parcel shelf. The two shaft main bodies are connected to the pipe, and furthermore, at both ends of the pipe, engagement portions are formed to be engaged with the engagement protrusions, respectively. The shaft body and the pipe are provided with a retaining mechanism.

According to the present invention, the engagement protrusion formed on the fitting portion engages with the engagement portion on the pipe side, whereby the shaft main body is prevented from falling off and fitted to the pipe. Even if a load is applied to the shaft main body from the rear parcel shelf side, the shaft main body does not fall out of the pipe, and it is possible to eliminate adverse effects due to settling of the shaft main body or pipe, manufacturing errors, etc. When fitting, the fitting can be performed with a sense of moderation.

[0012] In the present invention, the engaging projections are constituted by a pair of engaging projections formed so as to be opposed to the fitting portion and to protrude outward, and correspond to the pair of engaging projections. The engagement portion is formed in a pair so as to face the pipe, and the engagement protrusion is elastically deformed inwardly by the pipe when engaged with the engagement portion, so that the engagement portion is formed. It is configured to be fitted in the pipe and then to return to the elastic deformation to engage with the engaging portion.

According to the present invention, when the engagement protrusion is engaged with the engagement portion, the engagement protrusion engages with the engagement portion after being elastically deformed. In addition, even if, for example, the height of the engaging projection is set somewhat larger in consideration of the dimensional variation due to manufacturing errors in the shaft body and the pipe, the engagement projection is elastically deformed so as to engage the engaging portion. Can be easily done.

In the present invention, the engaging portion has a narrowed opening formed in a tip direction of the pipe, and the narrowed opening elastically expands when the engaging projection is engaged with the engaging portion. It is configured to pass through the projection.

According to the present invention, when the engagement projection is inserted through the stenosis opening, the engagement projection can be easily inserted by elastically expanding the stenosis opening. The mating projection is securely prevented from coming off by the constriction opening, which simplifies the engagement work and takes into account the dimensional variation due to manufacturing errors in the shaft body or pipe, for example, the height of the engagement projection Even if the size is set to be slightly larger, the engagement of the engagement projection with the engagement portion can be easily performed by the elastic deformation of the stenosis opening.

The present invention is also a mounting shaft device for swingably mounting a parcel shelf of an automobile to a vehicle body, and a fitting portion is formed on a pair of shaft bodies rotatably mounted on both sides of the vehicle body. And a pipe attached to the parcel shelf while connecting the two shaft main bodies by forming the engagement projection so as to be swingable via a hinge mechanism and fitting the fitting portion, At both ends of the pipe, engaging portions with which the engaging protrusions respectively engage are formed, and after the fitting portion of the shaft main body is fitted to the pipe, the engaging protrusions are engaged with the engaging portion. By combining them, a mechanism for preventing the shaft main body and the pipe from falling off is provided.

According to the present invention, the engagement protrusion formed on the shaft main body, after the fitting portion is fitted to the pipe, swings the engagement protrusion with respect to the shaft main body to thereby form the engagement portion on the pipe side. The fitting of the fitting portion on the shaft body side to the pipe can be performed without being disturbed by the engaging projection, so that the fitting operation is facilitated, and the engagement of the locking projection is performed. After that, the shaft body will be fitted to the pipe so that it will not come off,
Even if a load is applied to the shaft from the rear parcel shelf side, the shaft main body does not fall out of the pipe, so that it is possible to eliminate adverse effects such as settling of the shaft main body or the pipe and manufacturing errors.

Further, by the engagement of the engagement projection with the engagement portion, the fitting of the shaft main body to the pipe can be performed with a sense of moderation.

[0019]

FIG. 1 is a perspective view of a shaft mounting device for a rear parcel shelf of a general automobile.

In FIG. 1, the upper part of the luggage compartment is covered by a rear parcel shelf 2. The rear parcel shelf 2 has a pipe 3 mounted on one end thereof. The rear parcel shelf 2 is pivoted to both sides of the vehicle body 10 with the pipe 3 interposed between a pair of shaft bodies 4 fitted to both ends thereof. By being worn, the other end is swingably mounted on the vehicle body 10 in conjunction with the back door 5.

FIGS. 2 to 4 show a first embodiment of the present invention. FIG. 2 is an enlarged perspective view of the inside of the circle of FIG. 1, and FIG. 3 is an exploded perspective view of the same. 4 is a cross-sectional view of the same.

According to FIGS. 2 to 4, the shaft body 4 is
A shaft portion 41 pivotally attached to the vehicle body 10 is provided on one side thereof, and a fitting portion 42 having a square outer shape is provided on a side facing the shaft portion 41.

Engaging projections 43 are provided on both side walls 42a, 42a of the fitting portion 42 facing each other, and the engagement projections 43 are separated from the fitting portion 42 except for the distal end side. It is configured to be able to swing elastically.

Furthermore, a fitting tongue piece 44 is formed on the shaft body 4 so as to be spaced apart from the lower wall 42b of the fitting 42. A rectangular pipe 3 is attached to one end of the rear parcel shelf 2.

On the side walls 3a, 3a of the distal end of the pipe 3, there are formed engaging portions 31, 31 with which engaging protrusions 43 are engaged.

In the above-described configuration, the fitting portion 42 of the shaft body 4 is fitted to the pipe 3 before the shaft portion 41 is pivoted to the vehicle body 10. Then, the engagement projection 43 is pushed by the inner wall of the pipe 3 and elastically deforms inward, so that the pipe 3
When it is inserted into the inside and faces the engaging portion 31, it elastically returns to its original shape and engages with the engaging portion 31.

At this time, the lower wall 32 of the pipe 3 enters between the fitting tongue 44 and the lower wall 42b of the fitting 42.

As described above, the engaging protrusion 43 formed on the fitting portion 42 is engaged with the engaging portion 31 on the pipe 3 side. Even if a load is applied to the shaft main body 4 from the rear parcel shelf 2 side, the shaft main body 4 does not come off from the pipe 3, and the shaft main body 4 or the pipe 3 has a set-up or a manufacturing error. And the shaft body 4 can be connected to the pipe 3
Can be fitted with a sense of moderation.

Further, when engaging the engaging protrusion 43 with the engaging portion 31, the engaging portion
1 to simplify the fitting operation of the shaft main body 4 and consider the height variation of the engaging projection 43 in consideration of the dimensional variation due to manufacturing errors in the shaft main body 4 and the pipe 3. Can be easily engaged with the engaging portion 31 by the elastic deformation of the engaging projection 43.

5 to 7 show a second embodiment of the present invention. FIG. 5 is an enlarged perspective view of the inside of the circle in FIG. 1, and FIG. 6 is an exploded perspective view of the same. 7 is a longitudinal sectional view of the same.

As shown in FIGS. 5 to 7, the engagement projection 43 formed on the fitting portion 42 has a cylindrical projection 43a and a projection 4a.
3a and a rib-like portion 43b formed so as to extend to a side facing the shaft portion 41 of the shaft main body 4. Further, the engaging portion 31 formed on the pipe 3
Is composed of a circular hole 31a having a shape corresponding to the projection 43a and a constriction opening 31b opening at the tip of the pipe 3 continuously to the circular hole 31a. The stenosis opening 31b is configured to elastically expand and deform when passing through the projection 43a of the engagement projection 43. Other configurations are the same as those of the first embodiment, and therefore, the same reference numerals are given and the detailed description is omitted.

In the case of the above construction, the engagement projection 43
When engaging with the engaging portion 31, first, the protrusion 43a is inserted through the stenosis opening 31b, and then is engaged with the circular hole 31a. When the projection 43a passes through the stenosis opening 31b, the stenosis opening 31b expands elastically and easily passes through the projection 43a.

After the projection 43a is engaged with the circular hole 31a, the projection 43a is securely prevented from coming off by the narrowing opening 31b, thereby simplifying the engagement operation and improving the shaft body 4 In consideration of variations in dimensions due to manufacturing errors in the pipe 3 or the pipe 3, for example,
Even if the height of 3a is set to be slightly larger, the engagement portion 31 of the projection 43a is formed by the elastic deformation of the stenosis opening 31b.
Can easily be engaged with the circular hole 31a.

FIGS. 8 to 10 show a third embodiment of the present invention. In the first embodiment, the engaging projection 43 is formed on the fitting portion 42. In the embodiment, the fitting tongue piece 44 formed on the shaft main body 4 is extended to form the engagement piece 45 via the hinge mechanism 45, and the engagement protrusion 43 is formed on the engagement piece 45. do it,
The engagement protrusion 43 is configured to be engageable.

Correspondingly, the engaging portion 31 engaging with the engaging projection 43 is formed to penetrate the lower wall portion 32 of the pipe 3.

As a result of this construction, the fitting tongue piece 44
After the fitting portion 42 is fitted to the pipe 3, the engaging protrusion 43 is swung with respect to the shaft main body 4 via the hinge mechanism 45 to engage with the engaging portion 31 on the pipe 3 side. Accordingly, the fitting portion 42 of the shaft main body 4 side can be fitted to the pipe 3 without being disturbed by the engaging protrusion 43, so that the fitting operation becomes easy, and After the engagement, the shaft main body 4 is prevented from falling off and fitted to the pipe 3, and the rear parcel shelf 2 is attached to the shaft main body 4.
Even if a load is applied from the side, the shaft main body 4 does not come off from the pipe 3, and it is possible to eliminate adverse effects such as settling of the shaft main body 4 or the pipe 3 and manufacturing errors.

Further, by the engagement of the engaging projection 43 with the engaging portion 31, the fitting of the shaft main body 4 to the pipe 3 can be performed with a sense of moderation.

[0038]

According to the present invention, when the fitting portion on the shaft body side is fitted to the pipe, the engaging projection on the shaft body side engages with the engaging portion on the pipe side, so that the retaining mechanism is prevented. As a result of connecting the shaft main body to the pipe, even if a load is applied to the shaft main body from the rear parcel shelf side, the shaft main body does not fall out of the pipe, and the shaft main body or the pipe is settled or due to manufacturing errors etc. Evil effects can be eliminated, and the fitting of the shaft main body to the pipe can be performed with a sense of moderation.

[Brief description of the drawings]

FIG. 1 is a perspective view of a shaft mounting device of a rear parcel shelf of a general automobile.

FIG. 2 shows the first embodiment of the present invention, and is a perspective view in which the inside of a circle in FIG. 1 is enlarged and drawn.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is a transverse sectional view of the same.

FIG. 5 is a perspective view showing a second embodiment of the present invention, in which the inside of the circle of FIG. 1 is enlarged and drawn.

FIG. 6 is an exploded perspective view of the same.

FIG. 7 is a longitudinal sectional view of the same.

FIG. 8 is a perspective view showing a third embodiment of the present invention, in which the inside of the circle in FIG. 1 is enlarged and drawn.

FIG. 9 is an exploded perspective view of the same.

FIG. 10 is a longitudinal sectional view of the same.

FIG. 11 is a perspective view in which the inside of a circle in FIG.

FIG. 12 is an exploded perspective view of the same.

FIG. 13 is a longitudinal sectional view of the same.

[Explanation of symbols]

 2 Rear parcel shelf 3 Pipe 31 Engagement part 31a Circular hole 31b Narrow opening 32 Lower wall part 4 Shaft body 41 Shaft part 42 Fitting part 42a Side wall part 42b Lower wall part 43 Engagement projection 43a Projection part 43b Rib-shaped part 45 Hinge mechanism

Claims (4)

[Claims] 1. A mounting shaft device for swingably mounting a parcel shelf of an automobile to a vehicle body, wherein a fitting portion is formed on each of a pair of shaft bodies rotatably mounted on both sides of the vehicle body. An engagement projection is formed on a fitting portion, and the shaft portions are connected to the pipe by fitting the fitting portions to both ends of a pipe mounted on the parcel shelf. At both end portions, engaging portions with which the engaging protrusions respectively engage are formed, and a mechanism for preventing the shaft main body and the pipe from coming off is provided by engagement of the engaging protrusions with the engaging portions. Characteristic mounting shaft device for rear parcel shelf. 2. The engaging projection comprises a pair of engaging projections formed so as to face each other to the fitting portion and to protrude outward, and correspond to the pair of engaging projections. A pair of engaging portions are formed on the pipe so as to face each other, and the engaging protrusions are elastically deformed inwardly by the pipe when engaged with the engaging portion, thereby forming the fitting portion into the pipe. 2. The mounting shaft device for a rear parcel shelf according to claim 1, wherein the fitting portion is fitted into the inside, and thereafter, the elastic deformation is restored to engage with the engaging portion. 3. The engaging portion has a narrowed opening formed in a tip end direction of the pipe, and the narrowed opening is elastically expanded when the engaging projection is engaged with the engaging projection. The mounting shaft device for a rear parcel shell according to claim 1, wherein the shaft is configured to pass through the projection. 4. A mounting shaft device for swingably mounting a parcel shelf of an automobile to a vehicle body, wherein a fitting portion is formed on each of a pair of shaft bodies rotatably mounted on both sides of the vehicle body, and a hinge is provided. A pipe formed to be swingable through a mechanism, and connecting the two shaft bodies by fitting the fitting portion, and being attached to the parcel shelf; and both ends of the pipe. Forming an engaging portion with which the engaging protrusion is engaged, and engaging the engaging protrusion with the engaging portion after fitting the fitting portion of the shaft body to the pipe. A shaft device for mounting a rear parcel shelf, wherein a mechanism for preventing the shaft body and the pipe from coming off is provided.