JP2009257028A - Shutter system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To simply exchange a roller without replacing the entire shutter body. <P>SOLUTION: A roller 10 provided outside the side edge 9 of the shutter body 4 is rolled on and freely slidably mounted onto a guide rail 5. The taking-in/out part 27 for exchanging the roller 10 formed larger than the roller 10 is provided to the guide rail 5. The gap 28 between the guide rail 5 and the tip end surface 15 of the shaft 12 is formed larger than the roller 10. The roller 10 is removed from the shaft 12 within the guide rail 5, allowing the roller 10 to be taken out or also taken in through the gap 28, further through the taking-in/out part 27. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a shutter device.

  2. Description of the Related Art Conventionally, there is known a shutter device that is provided outside or inside a luggage compartment at the rear of a lorry, and is attached to an opening of the luggage compartment so as to be movable up and down. Such a shutter device is constituted by connecting a number of strip-shaped metal panels so as to be pivotable in the vertical direction, and it is composed of two guide rails erected at both ends in the width direction of the opening of the luggage compartment. A shutter that is attached so as to be freely slidable in the vertical direction and is pushed upward is accommodated along the back surface of the ceiling (for example, Patent Document 1).

In such a shutter device, a roller is rotatably provided on the outside of the metal panel, and the shutter can be moved up and down by being provided rotatably on the guide rail.
JP-A-5-59872

  In the shutter device, the roller is moved up and down by being guided by the roller rolling on the guide rail, and it is necessary to periodically replace the roller due to friction between the roller and the guide rail. There is.

  In the replacement of the rollers, the entire connected metal panel is extracted from the guide rail, the roller is replaced, and then the entire metal panel is returned to the guide rail again. Such replacement of the entire metal panel is a cumbersome operation because it is heavy and large.

  The problem to be solved is that the roller rolling on the guide rail can be easily replaced without replacing the entire connected shutter body such as a metal panel.

  According to the first aspect of the present invention, a roller provided outside the end of the shutter body is provided on the guide rail so as to be freely rotatable, and the roller is provided rotatably via a roller shaft having a protruding end. In the apparatus, the shaft for the roller has a base end connected to the shutter body, the roller is rotatably provided at the distal end, and the roller is detachably provided via an attachment positioning part, and the guide rail is attached to the guide rail. It is a shutter device characterized in that a roller exchange slot is formed that is the same as or larger than the larger one of the roller and the mounting positioning component.

  The invention according to claim 2 is characterized in that the guide rails are erected at both ends in the width direction of the opening provided in the rear part or the side part of the cargo compartment of the lorry, and the guide rails are provided on the back surface of the ceiling of the luggage compartment. The shutter device according to claim 1, wherein a gap between the guide rail and the tip of the shaft is formed to be larger than that of the roller or the attachment positioning component.

  According to the first aspect of the present invention, the roller removed from the shaft can be taken out through the loading / unloading section or vice versa, and the roller can be easily replaced without removing the shutter body from the guide rail. Can do.

  According to invention of Claim 2, a roller can be taken out via a clearance gap and also a taking-in / out part, or can be put in reverse.

  Preferred embodiments of the present invention will be described with reference to the accompanying drawings. The embodiments described below do not limit the contents of the present invention described in the claims. In addition, all the configurations described below are not necessarily essential requirements of the present invention.

  1 to 5 show the first embodiment, in which an opening 2 is provided in the rear part of a luggage compartment 1 of a lorry, and a shutter device 3 for opening and closing the opening 2 is provided in the opening 2. Yes. The opening 2 may be on the side of the luggage compartment 1. The shutter device 3 is provided with a shutter body 4 that opens and closes the opening 2, and is provided vertically on both the left and right sides of the opening 2, and the upper part is provided along the back surface of the ceiling of the luggage compartment 1, and the shutter body 4 is opened and closed For this purpose, a guide rail 5 is provided. The drawing shows one of the left and right sides. The shutter body 4 is formed by connecting horizontally-oriented metal plate panels or plate materials 6 such as slats in the vertical direction. The shutter body 4 slides and rotates on the upper edge of the plate material 6 and the lower edge of the plate material 6 positioned above. Via the female side engaging receiving part 7 and the male side engaging part 8 which are provided so that it can be bent, it is connected so that rotation is possible.

  A roller 10 is provided outside the left and right side edges 9 that are the ends of the shutter body 4, and the roller 10 rolls on the guide rail 5 and can move along the guide rail 5. The roller 10 is arranged with the first shaft core 11 facing in the left-right direction, and a shaft 12 for the roller 10 is connected to the first shaft core 11. The shaft 12 is provided so that the second shaft core 13 coincides with the first shaft core 11, and the base end side 14 of the shaft 12 is inserted into the center portion of the male engagement portion 8. I wear it. The front end surface 15 of the shaft 12 protrudes from the end of the male engagement portion 8, that is, outside the side edge 9 of the shutter body 4, and the roller 10 rotates on the front end side peripheral surface 16 of the shaft 12. It is provided freely. The roller 10 is attached to the shaft 12 in a state where the base end side 14 is inserted into the male engagement portion 8 and is coaxial with the washer 17 and the second shaft core 13 on the inner side of the distal end surface 15 side. The outer cylindrical spacer 18 and the roller 10 are inserted in this order. The roller 10 passes through the shaft 12 through the through hole 19 on the first shaft core 11. Further, a C-shaped retaining ring 21 such as a C-shaped snap ring, which is a means for preventing the roller 10 from coming off, is provided from the distal end surface 15 side through an outer washer 20. The inner washer 17, the spacer 18, the outer washer 20, and the retaining ring 21 form attachment / positioning parts for the roller 10. The C-shaped retaining ring 21 can be inserted into a mounting groove 22 provided around the distal end side peripheral surface 16 close to the distal end surface 15. The length A in the longitudinal direction of the first shaft core 11 from the outer edge 9 to the mounting groove 22 is the sum of the widths of the inner washer 17, the spacer 18, and the outer washer 20. This is the same as the total length B of the first shaft core 13, that is, the width B of the roller 10. The outer washer 20 and the retaining ring 21 are smaller in outer shape than the roller 10.

  The guide rail 5 has a U-shaped cross section provided so that the opening edge 23 faces the inside of the opening 2, and has an intermediate intermediate connecting plate 24 and an inner plate 25 facing the luggage compartment 1 side. The outer plate 26 facing the outer side opposite to the inner plate 25 is integrally provided. Then, a part 27 of the roller 10 is provided in a part of the guide rail 5. In the embodiment, the loading / unloading portion 27 is formed by cutting out the inner plate portion 25 in the oblique arc portion which is an intermediate portion between the upper portion in the vertical direction of the guide rail 5 and the starting end portion along the back surface of the ceiling. Yes. The length C of the loading / unloading portion 27, that is, the length C in the longitudinal direction of the guide rail 5 is larger than the diameter D of the roller 10 (C> D), and the lateral width E of the loading / unloading portion 27, that is, the longitudinal direction of the guide rail 5 The width E in the orthogonal direction is formed larger than the width B of the roller 10 (E> B).

  A gap 28 is formed between the distal end surface 15 of the shaft 12 and the intermediate connecting plate portion 24 of the insertion / extraction part 27 in the insertion / extraction part 27, and the first axis 11 (first The length F in the longitudinal direction in the direction of the second axial core 13) is formed larger than the width B of the roller 10 (F> B). The gap 28 has a margin between the pair of left and right guide rails 5 and the shutter body 4, and the gap 28 may be formed by sliding the shutter body 4 in a lateral direction slightly. Alternatively, in the relationship between the roller 10 and the intermediate connecting plate portion 24, the roller 10 may always form the gap 28 with the intermediate connecting plate portion 24.

  Furthermore, the cover 27 is provided with a cover 29 that can close the load / unload section 27. The cover 29 is integrally provided with a flat cover body 30 covering the entire area of the insertion / removal part 27 continuously with the outer plate part 26, and an attaching means 31 such as a bolt and a nut is integrally provided to fix the cover body 30. In the embodiment, the attaching means 31 is detachably provided on the intermediate connecting plate portion 24.

  Next, the operation of the above configuration will be described. As the roller 10 provided outside the outer edge 9 of the shutter body 4 via the shaft 12 slides along the guide rail 5, the opening and closing operation of the shutter body 4 is performed. At this time, the outer peripheral surface of the roller 10 moves so as to be sandwiched between the inner plate portion 25 and the outer plate portion 26.

  Next, replacement of the roller 10 will be described. First, the cover 29 is removed and the loading / unloading section 27 is shown on the luggage compartment 1 side. Next, the shutter body 4 is moved and the roller 10 to be replaced is shown in the loading / unloading section 27. Then, the shutter body 4 is moved slightly in the lateral direction to form a gap 28 having a length F larger than the width B of the roller 10 between the tip surface 15 of the shaft 12 and the inner surface of the intermediate connecting plate portion 24. Then, using a tool (not shown), the retaining ring 21 is removed from the shaft 12 and moved to the outside to be extracted from the gap 28 and the insertion / removal portion 27. Thereby, the restraint of the outer washer 20, the roller 10, the spacer 18, and the inner washer 17 is released. Therefore, the outer washer 20 and the roller 10 are moved to the outer side, and are sequentially extracted from the gap 28 and the insertion / removal portion 27. At this time, since the roller 10 is the largest part in the embodiment, the length F of the gap 28 is made larger than the width B of the roller 10 so that the roller 10 can be taken in and out of the gap 28. It is larger than the diameter D and the width B of 10 so that the roller 10 can be taken in and out from the taking in / out portion 27. As a result, the old roller 10 can be taken out with the shaft 12 left in the shutter body 4 as it is.

  Next, in order to attach a new roller 10, contrary to the removal, the roller 10 is fitted to the shaft 12 from the front end surface 15 side through the insertion / removal portion 27 and the gap 28 and is brought into contact with the spacer 18. Next, the outer washer 20 and the retaining ring 21 are fitted into the shaft 12 from the distal end surface 15 side through the insertion / removal portion 27 and the gap 28, and the retaining ring 21 is fitted into the mounting groove 22 so that the outer washer 20 and the roller 10 are fitted. The spacer 18 and the inner washer 17 are restrained. As a result, the new roller 10 can be taken out with the shaft 12 left on the shutter body 4 as it is. Then, the roller 10 can roll again by attaching the cover 29 to the insertion / removal portion 27 and covering the portion.

  As described above, in the embodiment, the roller 10 provided outside the side edge 9 of the shutter main body 4 is slidably provided by rolling on the guide rail 5, and the roller 10 is provided on the tip surface 15 from the side edge 9. The shaft 12 has a base end side 14 connected to the shutter main body 4 and a through-hole 19 of the roller 10 can be freely rotated on the front peripheral surface 16. The roller 10 is detachably provided through the outer washer 20, the spacer 18, and the inner washer 17 as mounting and positioning components, and is used for replacing the roller 10 formed larger than the roller 10 on the guide rail 5. By providing the loading / unloading section 27, the roller 10 removed from the shaft 12 can be loaded or unloaded through the loading / unloading section 27 without removing the shutter body 4 from the guide rail 5. Door can be, can be easily carried out the exchange of the roller 10.

  The guide rails 5 are provided upright at both ends in the width direction of the opening 2 provided at the rear or side of the luggage compartment 1 of the lorry, and the guide rails 5 extend along the rear surface of the ceiling of the luggage compartment 1. Since the gap 28 between the guide rail 5 and the tip end surface 15 of the shaft 12 is formed larger than the roller 10, the roller 10 is removed from the shaft 12 in the guide rail 5, and the roller 10 is further removed from the gap 28. In addition, the roller 10 can be taken out through the loading / unloading portion 27 or vice versa, and the replacement of the roller 10 from the shaft 12 can be easily performed.

  6 to 7 show a second embodiment, and the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. In the second embodiment, an inner washer 17, a spacer 18, a roller 10, and an outer washer 20 are disposed on the distal peripheral surface 16 of the shaft 12, and these are disposed in the holes 32 of the lateral peripheral surface 16 close to the distal surface 15. It is positioned by being restrained by a snap-shaped pin 33 which is a mounting positioning part to be inserted.

  Therefore, when the roller 10 is taken out in the same manner as in the first embodiment, the pin 33 can be pulled out, and the outer washer 20 and the roller 10 can be taken out from the gap 28 and further from the loading / unloading portion 27. Similarly, a new roller 10 can be attached to the shaft 12 through the loading / unloading portion 27 and the gap 28.

  As described above, the shutter device according to the present invention can be applied to various uses.

It is a perspective view of the exchange state of the roller which shows Example 1 of this invention. It is the perspective view which removed the cover same as the above. It is the disassembled perspective view which removed the shaft same as the above. It is sectional drawing of a principal part same as the above. It is a disassembled perspective view of the principal part same as the above. It is a perspective view which shows Example 2 of this invention. It is an exploded perspective view same as the above.

Explanation of symbols

1 Luggage compartment 4 Shutter body 5 Guide rail 9 Side edge (end)
10 rollers
12 shaft
14 Base end
15 Tip surface
16 Tip side surface
20 Washer (Mounting positioning part)
21 Retaining ring (Mounting positioning parts)
27 In / out section
28 Clearance
33 pin (Mounting positioning part)

Claims (2)

  In the shutter device in which a roller provided outside the end of the shutter body is provided on the guide rail so as to be able to roll, and the roller is provided so as to be rotatable through a roller shaft having a protruding end, the roller shaft The base end is connected to the shutter body, the roller is rotatably provided at the tip, and the roller is detachably provided via an attachment positioning component, and the roller or the attachment positioning is provided on the guide rail. A shutter device characterized in that it is provided with a roller replacement slot that is the same as or larger than the larger one of the parts.   The guide rails are erected respectively at both ends in the width direction of the opening provided in the rear part or the side part of the luggage room of the lorry, and the guide rails extend along the back surface of the luggage room ceiling, The shutter device according to claim 1, wherein a gap between the guide rail and the tip of the shaft is formed larger than the roller or the attachment positioning component.

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