JP6472418B2 - Guide device - Google Patents

Description

  The present invention relates to a guide device including a rail having an opening extending in the length direction and a carriage movable in the length direction of the rail.

  As a guide device for guiding the movement of a movable body such as a drawer and a table, a guide device including a rail having an opening extending in the length direction and a carriage movable in the length direction of the rail is known. Yes. For example, the rail of the guide device is attached to a main body such as furniture or a drawer device, and the carriage of the guide device is attached to a movable body such as a drawer or a table through the opening of the rail. A roller is rotatably provided on the side surface of the carriage. A roller guide surface on which the carriage roller rolls is formed on the rail. The roller of the carriage rolls on the roller guide surface of the rail while receiving the weight of the movable body. For this reason, a movable body can be moved smoothly.

  However, the conventional guide device has a problem that the carriage can move in the rail width direction when the carriage moves in the rail length direction because the carriage can also move in the axial direction of the roller with respect to the rail. This problem also applies to a guide device in which the carriage slides on the sliding guide surface of the rail.

  In order to solve the above problems, Patent Document 1 provides a roller guide surface on which a roller rolls on a rail and an inclined guide surface that is inclined with respect to the roller guide surface, and a flat roller that rolls the roller guide surface on a carriage. And a taper roller that rolls on an inclined guide surface is disclosed. According to this guide device, since the tapered roller contacts the inclined guide surface of the rail, it is possible to prevent the carriage from rattling in the width direction of the rail.

JP-A-9-228722

  However, the guide device described in Patent Document 1 requires a taper roller in addition to a normal flat roller in the carriage, which increases the number of parts.

  Accordingly, an object of the present invention is to provide a new guide device that can prevent the carriage from rattling in the width direction of the rail.

In order to solve the above problems, the present invention provides a guide device including a rail having an opening extending in a length direction, and a carriage movable in the length direction of the rail. A carriage body that rotatably supports a roller that rolls on the first guide part, or that slides on the first guide part of the rail, and a direction perpendicular to the movement direction of the carriage on the concave or convex part of the carriage body is written because fitted in a immovable said in the moving direction with respect to the carriage body, a resin-made sliding member which slides a second guide portion formed on an edge of the opening of the rail, have a said sliding member is a guide device is detachable from the carriage body in a state of putting the carriage to the rail.

According to the present invention, the second guide portion is provided at the edge of the opening of the rail, and the resin sliding body that slides the second guide portion is provided on the carriage, so that the carriage rattles in the width direction of the rail. Can be prevented. Also, sliding body is fitted in a direction perpendicular to the moving direction of the carriage to the recesses or protrusions of the carriage body, since it is immovably ability in the moving direction of the carriage, sliding body of the opening of the rail edges of the second Even if the guide part slides, it is possible to prevent the sliding body from being displaced in the carriage movement direction. Further, since the sliding body can be detached from the carriage body with the carriage in the rail, the sliding body can be easily replaced.

It is a figure which shows the drawer | drawing-out apparatus with which the guide apparatus of 1st embodiment of this invention was integrated (FIG. 1 (a) is a perspective view, FIG.1 (b) is a front view (partial sectional drawing is included). ). It is a figure which shows the said drawing apparatus turned upside down (FIG. 2 (a) is a perspective view, FIG.2 (b) is a front view (a partial sectional view is included)). It is a figure which shows the guide apparatus of this embodiment (FIG. 3 (a) is a top view, FIG.3 (b) is a side view, FIG.3 (c) is a front view, FIG.3 (d) is FIG.3 (c). Is a cross-sectional view taken along the line dd. It is a figure which shows the carriage of the guide apparatus of this embodiment (FIG. 4 (a) is a perspective view, FIG.4 (b) is a disassembled perspective view). It is a figure which shows the carriage of the guide apparatus of 2nd embodiment of this invention (FIG. 5 (a) is a perspective view, FIG.5 (b) is a disassembled perspective view). It is a figure which shows the carriage of the guide apparatus of 3rd embodiment of this invention (FIG. 6 (a) is a perspective view, FIG.6 (b) is a disassembled perspective view). It is a figure which shows the carriage of the guide apparatus of 4th embodiment of this invention (FIG. 7 (a) is a perspective view, FIG.7 (b) is a disassembled perspective view). It is a figure which shows the carriage of the guide apparatus of 5th embodiment of this invention (FIG. 8 (a) is a perspective view, FIG.8 (b) is a disassembled perspective view).

  Hereinafter, a guide device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the guide device of the present invention can be embodied in various forms, and is not limited to the embodiments described in the present specification. This embodiment is provided with the intention of enabling those skilled in the art to fully understand the scope of the invention by fully disclosing the specification.

  FIG. 1 shows a perspective view and a front view of a drawer device in which the guide device of the present embodiment is incorporated. The drawer device includes a base 1, a pair of left and right guide devices 2 attached to the base 1, and a movable body 3 attached to the guide device 2. The guide device 2 includes a rail 5 and a carriage 4 inserted into the rail 5 so as to be movable in the length direction. A rail 5 is attached to the base 1. A carriage 4 is attached to the movable body 3. The linear movement of the movable body 3 is guided by the pair of guide devices 2.

  In the following description, for convenience of explanation, the rail 5 of the guide device 2 is arranged on a horizontal plane, and the direction when the rail 5 is viewed from the length direction, that is, the vertical, horizontal, and front-rear directions shown in FIG. The configuration of the guide device 2 will be described using. Of course, the guide device 2 is not limited to such an arrangement.

  As shown in FIG. 1, the rail 5 extends in the front-rear direction. The rail 5 is manufactured by extruding a metal such as aluminum. The cross-sectional shape orthogonal to the length direction of the rail 5 is substantially C-shaped. That is, the rail 5 is formed integrally with the base portion 5a, the pair of side portions 5b and the pair of side portions 5b that are formed integrally with the base portion 5a, and toward the opposite side portion 5b. A pair of extending edge portions 5c.

  On the upper surface of the base portion 5a of the rail 5, a pair of left and right roller guide surfaces 5d is formed as a first guide portion. The pair of roller guide surfaces 5 d are parallel to each other and extend in the length direction of the rail 5.

  Inside the rail 5, the carriage 4 is inserted so as to be movable in the length direction of the rail 5. The movable body 3 is fastened to the upper surface of the carriage 4 by a fastening member such as a bolt. As shown in FIG. 2, the guide device 2 can be turned upside down and the movable body 3 can be arranged on the lower surface of the carriage 4 of the guide device 2. In this case, the rollers 7 a and 7 b of the carriage 4 roll on the upper surface of the edge 5 c of the rail 5. The upper surface of the edge 5c of the rail 5 constitutes a roller guide surface 5d.

  FIG. 3 is a detailed view of the guide device 2. As shown in the plan view of FIG. 3A, a plurality of through holes 6 are formed in the base portion 5 a of the rail 5 in the length direction. The rail 5 is attached to the base 1 by passing a fastening member such as a bolt through the through hole 6 and screwing the fastening member into the base 1. A stopper 8 that restricts the movement of the carriage 4 is fixed to one end of the base 5a in the length direction by a fastening member such as a bolt. Further, a groove 9 having a V-shaped cross section in the length direction is formed in the base portion 5a. The groove 9 defines a pair of left and right roller guide surfaces 5d.

  The carriage 4 includes a rectangular parallelepiped carriage body 11 that is elongated in the length direction of the rail 5, a plurality of rollers 7 a and 7 b that are rotatably supported by the carriage body 11, and a sliding body 12 that is attached to the carriage body 11. Prepare. An opening 13 is formed between the edges 5 c of the rail 5. As shown in FIG. 3B, the upper surface 11 a of the carriage body 11 is formed flat and protrudes upward from the upper surface of the edge 5 c of the rail 5. As shown in the front view of FIG. 3C, the lateral width W <b> 1 of the carriage body 11 including the sliding body 12 is equal to or smaller than the lateral width W <b> 2 of the opening 13 of the rail 5. A screw hole 15 for attaching the movable body 3 is formed in the upper surface 11 a of the carriage body 11. A positioning hole 16 for positioning the movable body 3 is formed in the upper surface 11a of the carriage body 11.

  A plurality of rollers 7 a and 7 b (four rollers 7 a or 7 b in this embodiment) are disposed on each of the pair of left and right side surfaces 11 b of the carriage body 11. A horizontal axis 21 is fixed to the side surface 11 b of the carriage body 11. A resin roller body 23 is rotatably supported on the shaft 21 via a bearing 22.

  A sliding body 12 is disposed on each of the pair of left and right side surfaces 11 b of the carriage body 11. The carriage body 11 is made of metal such as aluminum. In order to prevent sliding between the metal carriage body 11 and the metal rail 5, a resin sliding body 12 is provided. The sliding body 12 is disposed above the rollers 7a and 7b, and slides on the edge of the opening 13 (that is, the tip of the edge 5c). An edge of the opening 13 constitutes a sliding guide surface 13 a as a second guide portion of the rail 5. The material of the sliding body 12 is not particularly limited as long as it is a resin, but a wear-resistant resin such as polyethylene is desirable.

  When the carriage 4 is moved in the length direction of the rail 5, the rollers 7 a and 7 b roll on the roller guide surface 5 d of the rail 5 while receiving the weight of the movable body 3. For this reason, the movable body 3 can be smoothly moved in the length direction of the rail 5. When the carriage 4 moves in the length direction of the rail 5, the sliding body 12 slides on the edge (sliding guide surface 13 a) of the opening 13. For this reason, it is possible to prevent the carriage 4 from rattling in the width direction of the rail 5.

  4A shows a perspective view of the carriage 4, and FIG. 4B shows an exploded perspective view of the carriage 4 with the sliding body 12 removed. In this embodiment, a pair of sliding bodies 12 are provided on a pair of side surfaces 11 b of the carriage body 11. As shown in FIG. 4B, a concave portion 17 is formed on the upper surface 11a of the carriage body 11 so as to straddle the upper surface 11a and the side surface 11b. The recess 17 has a substantially cylindrical shape extending in the vertical direction, and a part of the side surface of the recess 17 opens on the side surface 11 b of the carriage body 11. In this embodiment, four recesses 17 are formed in the front and rear direction at the left and right corners of the upper surface 11a of the carriage body 11, for a total of eight.

  The sliding body 12 includes a main body portion 12b disposed on the side surface 11b of the carriage main body 11, and a fitting portion 12a formed integrally with the main body portion 12b. The main body portion 12 b is formed in a substantially quadrangular plate shape elongated in the length direction of the carriage main body 11. The fitting portion 12 a is formed in a substantially cylindrical shape that matches the concave portion 17. The fitting portion 12 a is fitted into the concave portion 17 in a direction (vertical direction) perpendicular to the moving direction of the carriage 4. When the fitting portion 12 a is fitted into the recess 17, the sliding body 12 cannot move in the movement direction of the carriage 4 with respect to the carriage body 11. Moreover, since the fitting part 12a is formed in a substantially cylindrical shape, it is possible to prevent the sliding body 12 from coming off the carriage body 11 in the left-right direction.

  The sliding body 12 is detachable from the carriage body 11. As shown in FIG. 3C, the sliding body 12 can be detached from the carriage body 11 even when the carriage 4 is put in the rail 5. Therefore, it is not necessary to remove the stopper 8 from the rail 5 and remove the carriage 4 from the rail 5 in order to replace the sliding body 12, and the sliding body 12 can be easily replaced.

  FIG. 5 shows the carriage 30 of the guide device according to the second embodiment of the present invention. The carriage 30 of the second embodiment is different from the carriage 4 of the first embodiment in the arrangement of the concave portions 31 of the carriage body 11 and the shape of the sliding body 32. Since the other configuration of the carriage 30 is the same as that of the carriage 4 of the first embodiment, the same reference numerals are given and description thereof is omitted.

  In the carriage 30 of this embodiment, a pair of sliding bodies 32 are disposed in front of and behind the carriage body 11. As shown in FIG. 5B, the upper surface 11a of the carriage body 11 is formed with a recess 31 that straddles the upper surface 11a and the side surface 11b. The recess 31 has a substantially cylindrical shape, and a part of the side surface of the recess 31 opens to the side surface 11 b of the carriage body 11. A total of four recesses 31 are provided at the four corners of the upper surface 11 a of the carriage body 11.

  The sliding body 32 includes a main body portion 32b and a fitting portion 32a formed integrally with the main body portion 32b. The main body 32b of the front sliding body 32 is disposed on the pair of left and right side surfaces 11b and the front end surface 11c of the carriage main body 11, and is formed in a U shape. The main body portion 32b of the rear sliding body 32 is disposed on the pair of left and right side surfaces 11b and the rear end surface 11d of the carriage main body 11, and is formed in a U shape.

  The fitting portion 32 a is formed in a substantially cylindrical shape that matches the recess 31. The fitting portion 32 a is fitted into the recess 31 in a direction (vertical direction) orthogonal to the moving direction of the carriage 30. When the fitting portion 32 a fits into the recess 31, the sliding body 32 cannot move in the moving direction of the carriage 30 with respect to the carriage body 11. Since the main body 32b of the sliding body 32 is formed in a U-shape, it is possible to prevent the sliding body 32 from coming off the carriage body 11 in the left-right direction. It is also possible to apply the sliding body 32 to the stopper 8.

  FIG. 6 shows the carriage 40 of the guide device according to the third embodiment of the present invention. The carriage 40 of the third embodiment is different from the carriage 4 of the first embodiment in the shape of the recess 41 of the carriage body 11 and the shape of the sliding body 42. Since the other structure of the carriage 40 is the same as that of the carriage 4 of the first embodiment, the same reference numerals are given and description thereof is omitted.

  In the carriage 40 of this embodiment, a pair of sliding bodies 42 are disposed on the left and right side surfaces 11 b of the carriage body 11. A recess 41 is formed on the upper surface 11a of the carriage body 11 so as to straddle the upper surface 11a and the side surface 11b. The recess 41 has a rectangular parallelepiped shape with a narrow width in the front-rear direction, and the side surface of the recess 41 opens to the side surface 11 b of the carriage body 11. A total of eight recesses 41 are formed in the front-rear direction at the left and right corners of the upper surface 11 a of the carriage body 11.

  The sliding body 42 includes a main body portion 42b disposed on the side surface 11b of the carriage main body 11, and a fitting portion 42a formed integrally with the main body portion 42b. The main body 42 b is formed in a substantially rectangular plate shape that is elongated in the length direction of the carriage main body 11. The fitting portion 42a is formed in a plate shape having a quadrangular shape in a side view matched with the concave portion 41. The fitting portion 42 a is fitted into the recess 41 in a direction (vertical direction or horizontal direction) orthogonal to the moving direction of the carriage 40. When the fitting portion 42 a is fitted into the recess 41, the sliding body 42 cannot move in the moving direction of the carriage 40 with respect to the carriage body 11. Since the sliding body 42 is sandwiched between the carriage body 11 and the edge of the opening 13 of the rail 5, it is possible to prevent the sliding body 42 from coming off the carriage body 11 in the left-right direction.

  FIG. 7 shows a carriage 50 of the guide device according to the fourth embodiment of the present invention. The carriage 50 of the fourth embodiment is different from the carriage 4 of the first embodiment in the shape of the recess 51 of the carriage body 11 and the shape of the sliding body 52. Since the other structure of the carriage 50 is the same as that of the carriage 4 of the first embodiment, the same reference numerals are given and description thereof is omitted.

  In the carriage 50 of this embodiment, one sliding body 52 is attached to the carriage body 11. A recess 51 is formed on the upper surface 11a of the carriage body 11 so as to straddle the upper surface 11a and the side surface 11b. The recess 51 has a groove shape extending in the left-right direction. The left and right ends of the recess 51 open to the side surface 11 b of the carriage body 11. A total of two recesses 51 are formed before and after the upper surface 11 a of the carriage body 11.

  The sliding body 52 includes a pair of main body portions 52b disposed on the left and right side surfaces 11b of the carriage main body 11, and a fitting portion 52a formed integrally with the pair of main body portions 52b. The main body 52 b is formed in a substantially rectangular plate shape that is elongated in the length direction of the carriage main body 11. The fitting part 52 a is formed in a square plate shape in plan view that matches the recess 51. The fitting portion 52 a is fitted into the recess 51 in a direction (vertical direction) orthogonal to the moving direction of the carriage 50. By fitting the fitting portion 52 a into the recess 51, the sliding body 52 cannot move in the movement direction of the carriage 50 with respect to the carriage body 11. Since the pair of main body portions 52b are connected by the fitting portion 52a, it is possible to prevent the pair of main body portions 52b from coming off the carriage main body 11 in the left-right direction.

  FIG. 8 shows a carriage 60 of the guide device according to the fifth embodiment of the present invention. In the first to fourth embodiments, the roller 7b that rolls on the roller guide surface 5d of the rail 5 is rotatably provided on the side surface 11b of the carriage body 11. However, in the fifth embodiment, no roller is provided on the side surface of the carriage body 61, and the bottom surface 61a of the carriage body 61 is the sliding guide surface 5d of the rail 5 (see FIG. 3A). Part). The carriage body 61 is made of metal such as aluminum. A resin layer 61 c is integrally provided on the bottom of the carriage body 61, and the bottom surface 61 a of the resin layer 61 c slides on the sliding guide surface 5 d of the rail 5.

  As shown in FIG. 8A, the carriage main body 61 has an inverted T-shaped cross section, and is formed integrally with the main body portion 61-1 inserted into the rail 5 and the main body portion 61-1, and has an opening portion. 13 (see FIG. 3 (a)). A screw hole 62 for attaching the carriage body 61 to the movable body 3 is formed in the connecting portion 61-2.

  As shown in FIG. 8B, a pair of sliding bodies 63 are provided on the pair of side surfaces 61 b of the carriage body 61. The sliding body 63 slides on a sliding guide surface 13a (see FIG. 3A) as a second guide portion formed at the edge of the opening 13 of the rail 5.

  On the upper surface 61a of the carriage body 61, a recess 67 is formed across the upper surface 61a and the side surface 61b. The recess 67 has a substantially cylindrical shape extending in the vertical direction, and a part of the side surface of the recess 67 opens to the side surface 61 b of the carriage body 61.

  The sliding body 63 includes a plate-like main body portion 63b disposed on the side surface 61b of the carriage main body 61, and a fitting portion 63a formed integrally with the main body portion 63b. The fitting portion 63 a is formed in a substantially cylindrical shape that matches the concave portion 67. The fitting portion 63 a is fitted in the recess 67 in a direction (vertical direction) orthogonal to the moving direction of the carriage 60. When the fitting portion 63 a is fitted into the recess 67, the sliding body 63 cannot move in the moving direction of the carriage 60 with respect to the carriage body 11. The sliding body 63 is detachable from the carriage body 61. The sliding body 63 can be detached from the carriage main body 61 even when the carriage 60 is put in the rail 5.

  Note that the present invention is not limited to the embodiment described above, and can be modified to various embodiments without departing from the gist of the present invention.

  The rail configuration and carriage configuration (carriage body shape, sliding body shape, number of rollers, roller arrangement, etc.) of the above embodiment are merely examples, and other configurations are adopted without departing from the scope of the present invention. Can do. For example, in the above embodiment, the sliding body is fitted into the concave portion of the carriage body, but the sliding body can be fitted into the convex portion of the carriage body.

2 ... guide device 4 ... carriage 5 ... rail 5d ... roller guide surface (first guide portion), sliding guide surface (first guide portion)
7a, 7b ... Roller 11 ... Carriage body 11a ... Upper surface 11b of carriage body ... Side surface 12 of carriage body ... Sliding body 12a ... Fitting portion 12b ... Body portion 13 ... Opening portion 13a ... Sliding guide surface (second guide portion)
17 ... concave portion 30 ... carriage 31 ... concave portion 32 ... sliding body 32a ... fitting portion 32b ... main body portion 40 ... carriage 41 ... concave portion 42 ... sliding body 42a ... fitting portion 42b ... main body portion 50 ... carriage 51 ... concave portion 52 ... slipping Body 52a ... fitting part 52b ... body part

Claims (3)

In a guide device comprising: a rail having an opening extending in the length direction; and a carriage movable in the length direction of the rail.
The carriage is
A carriage body that rotatably supports a roller that rolls the first guide portion of the rail, or that slides on the first guide portion of the rail;
Wherein is written because fitted into recesses or protrusions of the carriage body in a direction perpendicular to the moving direction of the carriage, an immovable said in the moving direction with respect to the carriage body, formed at the edge of the opening of the rail second guide portion that is possess a resin sliding member slides, the a,
The sliding device is a guide device that is detachable from the carriage body in a state where the carriage is put in the rail .   The guide device according to claim 1, wherein the carriage main body rotatably supports the roller. The sliding body is
A main body disposed on a side surface of the carriage main body;
The guide device according to claim 1, further comprising: a fitting portion that is integrally formed with the main body portion and is fitted into the concave portion or the convex portion that is formed on an upper surface of the carriage main body.

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