JP2549748Y2 - Rail moving device for moving objects - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for moving a moving body along a rail.

[0002]

2. Description of the Related Art Conventionally, a pair of rails has been provided on a base body, a rear stopper is provided at the rear end of the rail, a rack is fitted into a fitting groove of the rail, and a pair of movable bodies mounted on the rail so as to run freely on the rail. Actually, a pinion is provided, and the pair of pinions are engaged with racks provided on a pair of rails, respectively, so that the moving body can stably travel by the engagement of the rack and the pinion.
It is known from U.S. Pat.

[0003]

In the above-mentioned conventional apparatus, a long rack made of synthetic resin is cut to a required length, and the rack 4 cut to the required length is shown in FIG.
As shown in the figure, the rack 4 was fitted into the fitting groove 3a of the rail 3 until the tip of the rack 4 hit the rear stopper 21, and was fixed with an adhesive or a screw. However, since the racks 4 fitted and fixed to the pair of rails 3 are used by cutting the long ones as described above, the cutting position is the tooth portion of the rack 4 or the valley between the teeth. And the cutting position was not constant even at the teeth and valleys. For this reason, in the related art, there is a problem that the positions of the teeth of the pair of racks 4 do not correspond to each other and may shift, and there is a problem that running is not stable.
In order to make the positions of the teeth correspond to each other, there is a problem that it takes a lot of time and labor to adjust the position of the rack 4 while adjusting the position.

The present invention has been devised in view of the above-mentioned problems of the prior art, and has as its object a simple configuration in which the positions of the teeth of a pair of racks to be fitted and mounted on a pair of rails, respectively, are simple. It is an object of the present invention to provide a rail traveling device for a moving body that can respond accurately and ensure stable traveling.

[0005]

According to the present invention, there is provided a rail traveling apparatus for a moving body, in which a pair of rails 3 are provided on a base A, a rear stopper 21 is provided at a rear end of the rail 3, and the rail 3 is fitted. The rack 4 is fitted in the groove 3 a, the teeth 4 a at the rear end of the rack 4 are locked by tooth locking portions 40 provided on the rear stopper 21, and a pair of pinions are attached to the movable body 5 movably mounted on the rail 3. 6 is provided, and the pair of pinions 6 are engaged with the racks 4 provided on the pair of rails 3, respectively. By adopting such a configuration, the above-described problem of the conventional example is solved. Thus, the object of the present invention has been achieved.

[0006]

In the present invention having the above structure, the teeth 4a at the rear end of the rack 4 are locked to the tooth locking portions 40 provided on the rear stopper 21, so that the rack 4 has a long length. Even if the cutting position is not constant because it is obtained by cutting a long piece, the position of the teeth 4a of the rack 4 at the position of the rear stopper 21 can be made constant, and as a result, the teeth 4a of the pair of racks 4
Can be associated with each other.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on embodiments shown in the accompanying drawings. In the embodiment shown in the accompanying drawings, there is shown an example in which the moving body rail traveling device of the present invention is used for storage furniture with a door. As shown in FIGS. 4 to 6, the furniture main body 1 constituting the base A has a box shape with an open front, and a pair of upper and lower rails 3 is provided on the outer surface of the side plate 2 on both sides of the furniture main body 1 or the outer surface of one side plate 2. It is attached in the front-back direction. In the embodiment shown in the attached drawings, a pair of rails 3 are vertically attached to the outside of the side plates 2 on both sides of the furniture main body 1, respectively. The rail 3 has a shape as shown in FIG. 1, and a roller running groove 8, a guide groove 9, and a fitting groove 3a are provided in the front-rear direction, respectively. The rail 3 is provided with a roller running groove 8 having a substantially V-shaped cross section on one side in the vertical direction with the center horizontal piece 10 as a boundary, and a guide groove 9 and a fitting groove 3a provided on the other side. The upper rail 3 and the lower rail 3 have the same shape, and the upper rail 3 is arranged so that the roller running groove 8 opens upward as shown in FIG. The lower rail 3 is arranged and mounted so that the guide groove 9 opens upward.

As shown in FIGS. 1 and 2, a rack 4 is fitted into the fitting groove 3a. The rack 4 is obtained by cutting a long synthetic resin into a predetermined length. The rear stopper 21 is provided with a notch, and a tooth locking portion 40 is provided. Then, the rack 4 is inserted into the groove 3 of the rail 3.
a, and the teeth 4a located at the cut end of the rear end of the rack 4 are protruded rearward from the rail 3, and the teeth 4a located at the cut end of the rear end of the rack 4 are shown in FIG. The rear stopper 21 in this state.
Is fixed to the rear end of the rail 3 by screws 23. In this case, a tapping hole 17 is provided in the rail 3 and a screw 23 is screwed into the tapping hole 17. Thus, the rack 4 is attached to the tooth locking portion 40 of the rear stopper 21.
The rear stopper 21 is fixed to the rear end of the rail 3 with a screw while the rear end teeth 4a are locked.
The positional relationship between the gears 4a and the teeth 4a of the rack 4 is always constant. Therefore, only the mounting position of the pair of upper and lower rails 3 fixed to the outer surface of the side plate 2 is determined accurately. The positions of the teeth 4a of the rack 4 can be arranged corresponding to the upper and lower sides, respectively.
Can be arranged so as not to be shifted.
Here, the rack 4 is fixed to the rail 3 with an adhesive or a screw while being positioned as described above.

The moving body 5 is vertically long and has a U-shape in cross section. As shown in FIGS. 7 to 9, bearing portions 11 are provided on one side of the upper and lower sides, and the upper and lower bearings are provided. Part 1
The upper and lower portions of the shaft 12 are pivotally supported on the shaft 1, and the pinions 6 are fixed to the upper and lower portions of the shaft 12, and the upper and lower pinions 6 are fixed to the upper and lower portions of the shaft 12. In order to rotate in synchronization. A sliding member 13 made of synthetic resin is provided on each of the upper and lower sides of one side of the moving body 5, and a roller 14 is rotatably mounted on the upper side of one side of the moving body 5. As shown in FIG. 10, the movable body 5 having the above-described structure is configured such that the roller 14 is freely movably fitted into the roller traveling groove 8 of the upper rail 3 to suspend the movable body 5, and the upper and lower guide members 13 are respectively connected to the upper and lower rails. 3 is movably fitted into the guide groove 9 and the upper and lower pinions 6 are further connected to the upper and lower racks 4.
In this way, the moving body 5 can be moved back and forth. A vertically long cover plate 15 is arranged between the front ends of the upper and lower rails 3, and the upper and lower portions of the cover plate 15 are fixed to the upper and lower rails 3 by screws 16. Here the cover plate 15
Holes 19 drilled at the bottom of the step 18 provided at the top and bottom of the
A screw 16 is inserted and screwed into the tapping hole 17. The head of the screw 16 is located in the step 18, and the cover plate 1 is tightened after the screw 16 is tightened.
When the decorative sheet 20 is stuck on the front surface of the screw 5, the head of the screw 16 does not partially raise the decorative sheet 20. The cover plate 15 serves as a blindfold from the front and also serves as a stopper at the front of the moving body 5. An end of the back surface of the door 7 is rotatably attached to the moving body 5 by a hinge member 22. A door guide device 24 is provided at the upper front end of the outer surface of the side plate 2. This door guide device 24 has an inverted U-shaped cross section as shown in FIG. 11, and one side piece 25 is a fixed piece, and the fixed piece is fixed to the side plate 2. A guide roller support member 27 that rotatably supports a guide roller 26 is attached to a side piece 25 that is a fixed piece, and a guide block 30 made of a synthetic resin is attached to the other side piece 29 of the door guide device 24. In addition, the space between the guide roller 26 and the guide block 30 is a door passage gap 31. Guide block 30
A guide inclined surface 32 is provided at a front end portion of the. Here, the side piece 29 is provided with an operation hole 33, and when the guide roller 26 is damaged, a screwdriver is inserted through the operation hole 33 and the screw 28 is operated, so that the one side piece 25 as a fixed piece is provided. Can be attached to or detached from the side plate 2.

Normally, the door 7 is closed as shown in FIG. In order to open the door 7, the door 7 is pivotally opened about a hinge member 22 rotatably attached to the moving body 5, and the door 7 is further opened with the door 7 opened at 90 °. If you push it backward as it is,
Is pushed backward, the roller 14 travels in the roller running groove 8 of the upper rail 3, the upper and lower guide members 13 move in the guide groove 9 of the upper and lower rails 3, respectively, and the upper and lower pinions 6 communicate with the upper and lower racks 4. They move while meshing with each other and rotating. By the way, when the door 7 is opened by 90 ° from the closed state, the rear end of the door 7 just faces the door passage gap 31 formed between the guide roller 26 of the door guide device 24 and the guide block 30. Then, when the door 7 is pushed rearward, the door 7 enters the door passage gap 31, and the door 7 is pushed straight back while guiding both sides of the door 7 with the guide roller 26 and the guide block 30 as shown in FIG. As shown in FIG. 2, the side plate 2 is stored along the outer surface. In this case, the movable body 5 comes into contact with the rear stopper 21 to stop the door 7 in an appropriate pressed state.

On the other hand, in order to close the door 7, the door 7 is pulled forward and the rear end of the door 7 is pulled out from the door guide device 24. It closes. In this case, the moving body 5 moves forward and hits the cover plate 15 and is stopped. However, the door 7 is pulled out of the door guide device 24 with the moving body 5 hitting the cover plate 15.

When the door 7 is stored and pulled out as described above, the door 7 is moved by the engagement between the rack 4 and the pinion 6, so that the door 7 can be smoothly moved without rattling.

[0013]

According to the present invention, a pair of rails are provided on the base as described above, a stopper is provided at the rear end of the rail, and the rack is fitted into the groove of the rail. A pair of pinions are provided on a movable body mounted on the rail so that the teeth at the end portions are locked to the tooth locking portions provided on the rear stopper, and the pair of pinions are respectively provided on a rack provided on a pair of rails. Even if the cutting position is not constant, the position of the teeth of the rack at the rear stopper position can be kept constant, as a result of cutting the long rack as a rack, so that a pair of racks The positions of the teeth can be set to correspond to each other,
The pair of pinions mesh with the pair of racks in the same state, so that stable running can be achieved.

[Brief description of the drawings]

FIG. 1 shows a state in which a rack and a rear stopper are attached to a rail of the present invention, (a) is a side view, (b) is a front view, and (c) is a rear view.

FIG. 2 is a partially exploded perspective view of the same.

FIG. 3 is an explanatory view illustrating a state in which the teeth at the rear end of the rack are locked to the tooth locking section.

FIG. 4 is an overall perspective view showing an example in which the device of the present invention is used for storage furniture with a door, with the door closed.

FIG. 5 is a perspective view showing a state where the door is opened and stored.

FIG. 6 is a perspective view showing a state in which the door is omitted.

FIG. 7 is an exploded perspective view showing the rail and the moving body according to the first embodiment.

8A and 8B are a cross-sectional view and a perspective view, respectively, showing a state in which a door is attached to the moving body.

FIGS. 9 (a) and 9 (b) are a side view and a front view of the same moving body.

FIG. 10 is a front view showing a relationship between the moving object and upper and lower rails.

FIG. 11 is a partially cutaway perspective view of the door guide device used in the above.

12A and 12B show a state in which a rack and a rear stopper are attached to a conventional rail, where FIG. 12A is a side view, FIG. 12B is a front view, and FIG. 12C is a rear view.

[Explanation of symbols]

 A base 3 rail 3a fitting groove 4 rack 5 moving body 6 pinion 21 rear stopper

Claims (1)

(57) [Scope of request for utility model registration] A pair of rails is provided on a base, a stopper is provided at a rear end of the rail, a rack is fitted into a fitting groove of the rail, and teeth at the rear end of the rack are provided at the rear stopper. A rail traveling device for a movable body, comprising a pair of pinions provided on a movable body fixed to a locking portion and mounted on a rail so as to run freely, and the pair of pinions meshed with racks provided on a pair of rails.