JPH08183393A - Cover winding device - Google Patents

Abstract

PURPOSE: To provide a cover winding device without rattle by increasing the mechanical strength of a cap formed extensible/contractible against a casing, in a tonneau cover of coating a baggage room or the like for a vehicle. CONSTITUTION: In right/left end parts of a casing 5 and in addition to a slide fitting part in an internal diametric part of caps 7L, 7R, protrusion parts 25, 25 are provided in the caps 7L, 7R, so as to be inserted to through holes 26, 26 drilled in a case guide 10, and the slide fitting part is increased, to increase mechanical strength of the caps 7L, 7R.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover winding device suitable for use in a tonneau cover for hiding luggage in a luggage compartment disposed behind a rear seat of a wagon or the like.

[0002]

2. Description of the Related Art Conventionally, a cover placed on a loading section formed in a space behind a rear seat of a wagon such as a wagon is covered so as not to be directly seen through a window. As shown in FIG. 5, the tonneau cover thus constructed has a structure in which the cover winding device is bridged between the left and right side walls of the body of the wagon and the cover is pulled out.

That is, reference numeral 1 in FIG. 5 shows a tonneau cover winding device, which is fitted / bridged in recesses 3L and 3R disposed inside the left and right side walls 2L and 2R of the rear body of the rear seat of a wagon car or the like. Entangled.

In this cover winding device 1, two covers are wound inside a casing 5, and the tonneau cover 6 is further moved in the opposite direction.
What is made so as to pull out A and 6B will be described.

The casing 5 of this example has an oval cross section, and is divided by a partition plate 5A (see FIGS. 6 and 7) provided at the center of the cross section in opposite directions to each other in the longitudinal direction of the casing 5. Along with the groove-shaped openings 4A and 4B. Two tonneau covers 6A in the casing 5 having an oval cross section,
6B and wound around rollers 16A and 16B fixed to shafts 14A and 14B as shown in FIG. 7, the tonneau covers 6A and 6B are adapted to be pulled out from the openings 4A and 4B in opposite directions.

Further, a bearing projection 11A, which is rotatably pivotably attached to the two shafts 14A and 14B, is fitted to the inside of both side ends of the casing 5, and is also provided in the cover guide 10 having an oval cross section. 11B is provided, and the cover guide 10 has a set screw 2 through long grooves 15L and 15R formed on the side surfaces of the caps 7L and 7R, which will be described later.
It is fixed to the casing 5 by 0.

Outside the both side ends of the casing 5, left and right caps 7L and 7R having a bottomed cylindrical shape with a substantially oval cross section are also provided.
Is slidably fitted in the longitudinal direction of the casing 5. Engaging pieces 8L and 8R are provided on the outer ends of the caps 7L and 7R.
Are formed, and as shown in FIG. 5, they are fitted into the recesses 3L and 3R formed in the left and right side walls 2L and 2R of the body of the automobile and are bridge-held.

Therefore, the luggage can be hidden by pulling out the tonneau covers 6A and 6B and covering the luggage with the hook portions 9A and 9B hooked on hooks or the like provided at predetermined positions.

The caps 7L and 7R are slidable in the longitudinal direction of the casing 5 at both ends of the casing 5 so that the caps 7L and 7R can expand and contract. Matching protrusion 2
1, 21 are provided, and the bearing protrusion 11 of the cover guide 10 is provided.
A and 11B are also formed with holes 22 and 22 that fit into the outer diameters of the coil springs 13 and 13, respectively.
By interposing the holes 3 and 13 between the holes 22 and 22 and the protrusions 21 and 21, the right cap 7R is biased in the direction of arrow D in FIG. Therefore, the caps 7L and 7R are configured to be slidable within the stroke of the long grooves 15L and 15R.

[0010]

According to the cover winding device described in the above-mentioned conventional structure, the inner circumference of the cap is fitted to the outer circumference of the casing in order to make the cap extendible and contractible in the longitudinal direction of the casing. However, there is a problem in that the driver is uncomfortable because it is weak in terms of strength because it is only present, and it causes a rattling noise due to vibration when it is mounted on an automobile.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a cover winding device capable of increasing the strength of a cap and preventing rattling and abnormal noise. To provide.

A second object of the present invention is to use different types of covers such as a net or the like for at least one of the covers formed so as to be pulled out in the opposite directions due to the angle difference between them, and a tonneau cover for the other. It is to provide a cover winding device that can be used.

[0013]

In order to achieve the above object, the cover winding device of the present invention has a casing in which a wound cover is built, and an opening for drawing out the cover is formed in a cylindrical longitudinal direction. And a case guide that is inserted into both ends of this casing and rotatably supports the shaft of the wound cover, and the casing guides that are fitted to the outer circumferences of both ends of the casing and that are equipped with built-in springs. And a cap that is extendable and contractable in the longitudinal direction. The cap has a plurality of protrusions protruding toward the casing guide side, and the case guide is provided with through holes for receiving the protruding protrusions. .

[0014]

According to the cover winding device of the present invention, the fitting portion of the cap which can be expanded and contracted has friction between the fitting portion between the case guide and the protrusion formed on the cap in addition to the outer periphery of the casing. Since it is slidable with certain co-action, the mechanical strength is improved, and there is no backlash and no abnormal noise is generated.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A tonneau cover winding device, which is often used as a cover winding device of the present invention for a vehicle van or a wagon, will be described in detail with reference to FIGS. The same parts as those of the conventional configuration described with reference to FIGS.

FIG. 1 is an assembled perspective view of a cover winding device capable of pulling out the tonneau covers in opposite directions with an angle difference of 180 degrees from each other, and FIG. 2 is a side sectional view of the assembled state. 3 is a sectional view taken along the line AA of FIG. 2, and FIG. 4 is a diagram showing another configuration.

First, the configuration of this embodiment will be described with reference to FIGS. Although only the right end of the casing 5 is shown in FIGS. 1 and 2, the left end has exactly the same configuration as that of FIG. The structure of the casing 5 is the same as the conventional one, and is made of synthetic resin or metal. The cover guide 10 has through holes 26, 2 of a receiving portion for receiving the projections 25, 25 formed on the cap 7R or 7L, which is the feature of this embodiment.
Two holes 6 are provided below the holes 22, 22.

The case guide 10 is formed into an oval shape with a bottomed tubular shape as a whole, and hollow bearing projections 11A and 11B are projected from the bottom 27 to the back side as shown by an arrow E in FIG. The cavity is formed with holes 22, 22 for receiving the coil spring 13, and the shafts 14A and 14
It constitutes the bearing portion of B. The bearing protrusions 11A and 1
1B has a structure in which notches 29, 29 for drawing out the tonneau cover are formed on the side walls 28, 28 arranged so as to surround 1B, and a cylindrical portion is formed along the side walls 28, 28 at the lower end corner. , The receiving portions of the protrusions 25, 25 having hollow portions disposed on the caps 7L and 7R, that is, the through holes 26, 2
6 is made.

6 and 7 of the caps 7L and 7R is different from the receiving through holes 26 of the case guide 10 described above.
The point is that two columnar protrusions are provided at positions corresponding to 26. Of course, the case guide and the left and right caps described above can be formed of metal or synthetic resin.

FIG. 2 is a sectional side view of the above-mentioned components in an assembled state.
As shown in FIG. 3, the case guides 10 and 10 are fitted and inserted into the inside (inner diameter) of the left and right ends of the casing 5, and the rollers 16A and 1
The shafts 14A and 14B of 6B are loosely fitted to the bearing protrusions 11A and 11B to make the rollers 16A and 16B rotatable, and then the coil springs 13 are interposed to the outside (outer diameter) of both ends of the casing. Caps 7L and 7
When R is inserted, the projections 25, 25 are inserted through the through holes 26, 26 of the case guide, and the insides (inner diameter) of the caps 7L and 7R are fitted with the outer diameter of the casing 5, so that the The sliding parts are protrusions 25, 25 and through holes 26, 26.
It is possible to increase the mechanical strength of the caps 7L and 7R by increasing only the sliding portion of. Finally, the assembly is completed by setting the set screws 20, 20.

FIG. 4 is a side sectional view showing the fitted state of the casing 5 and the left and right caps 7L and 7R, but in the case of this example, the caps 7L and 7R are cross-sectioned in the lateral direction inside the caps 7L and 7R. Locking part 3 having tongue pieces 31, 31 that spread to the inside
0 is formed corresponding to the positions of the openings 4A and 4B of the casing 5, and the locking portions 30, 30 are fitted into the left and right (upper and lower in the figure) openings 4A and 4B. The neck portions 32, 32 of the locking portion are slidable in the longitudinal direction, but the tongue pieces 31, 31 do not come off in the vertical and horizontal directions. According to this configuration, the cap 7L and 7R is in contact with the casing 5 when the casing 5 is sliding (expanding and contracting).
The mechanical strength of L and 7R can be further improved.

Further, in this embodiment, the tonneau covers 6A and 6B are further pulled out in the opposite directions with an angle difference of 180 °, so that the cover winding device is placed in the center of the luggage compartment and the tonneau covers are pulled out to the left and right. It can be expanded to a wide range of applications, such as covering luggage, forming one of the rolls in a net shape, and covering with a cover such as aluminum for awnings.

Further, in the above embodiment, an example in which two rolls are built in has been described, but it is of course applicable to a cover winding device in which one roll is built in, within a range not departing from the gist of the present invention. Various changes can be made.

[0024]

According to the cover winding apparatus of the present invention, the sliding surface between the expandable and contractible casing and the left and right caps is increased, the strength of the cap is increased and rattling is reduced, and the operation is improved. It is possible to prevent the generation of abnormal noise when sliding.
Further, in fitting at the engaging portion with the opening, there is no need to provide a member for engaging particularly on the casing side, the opening can be effectively used, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing an assembled state of a main part of a cover winding device of the present invention.

FIG. 2 is a side sectional view showing an assembled state of the cover winding device of the present invention.

3 is a cross-sectional view taken along the line AA shown in FIG.

FIG. 4 is a side sectional view showing another configuration of the cover winding device of the present invention.

FIG. 5 is an external perspective view of a conventional cover winding device.

FIG. 6 is a side sectional view of a conventional cover winding device in an assembled state.

7 is a cross-sectional view taken along the line BB of FIG.

[Explanation of symbols]

 4A, 4B Opening 5 Casing 7L, 7R Cap 10 Case guide 25 Projection 26 Through hole 30 Locking part

Claims (3)

[Claims] 1. A casing having a wound cover built-in, and an opening for pulling out the cover formed in a cylindrical longitudinal direction, and a casing fitted on both ends of the casing to rotate a shaft of the wound cover. A case guide that is rotatably supported; and a cap that is fitted to the outer circumferences of both ends of the casing and that can be expanded and contracted in the longitudinal direction of the casing by a built-in spring. A cover winding device, characterized in that a plurality of protrusions are projected to the case guide side, and a through hole is formed in the case guide to receive the projected protrusions. 2. The cover winding device according to claim 1, wherein the cap is provided with a locking portion that locks with the opening of the casing. 3. A casing having opening portions arranged in opposite directions with opposing angular differences so that the cover can be pulled out in two directions, and the casing is pulled out from the opening portion of the casing. The cover winding device according to claim 1 or 2, wherein at least one of the covers has a net shape or the like.