JP2880653B2 - Runner traveling structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a runner traveling structure. More specifically, the present invention relates to an improvement relating to a traveling performance of a runner traveling structure in which a traveling body including a partition wall, a folding door, a hanging door, a sliding door, and the like provided in a house interior, furniture, and the like is supported by a runner and opens and closes along a rail. .

[0002]

2. Description of the Related Art Conventionally, as a runner traveling structure, for example, a structure described in Japanese Utility Model Laid-Open No. 4-108767 has been known.

[0003] In this conventional runner traveling structure, as shown in FIG. 11, a traveling body 1 composed of hanging doors is formed by an upper runner 4 and a lower runner 5 having different structures along a box-shaped upper rail 2 and a lower rail 3. To run.

The upper runner 4 includes a runner body 41 running inside the upper rail 2, a runner base 42 fixed to the upper part of the running body 1, a runner body 41, and a runner base 4.
And a shaft member 43 for connecting the two with each other, and mainly receives the load of the traveling body 1. Therefore, the runner body 41 of the upper runner 4 is attached to the lower surface 21 of the upper rail 2 by the block portion 411.
The traveling wheel 412 having the traveling surface as a support surface is supported.

The lower runner 5 includes a runner body 51 running inside the lower rail 2, a runner base 52 fixed to a lower portion of the running body 1, a runner body 51, and a runner base 5.
And a shaft member 53 for connecting the main body 2 to the main body, and mainly performs vibration damping of the running body 1 without receiving a load of the running body 1. Therefore, the runner main body 51 of the lower runner 5 has a traveling wheel shape having the upper surface 31 and the side surface 32 of the lower rail 3 as traveling surfaces.

[0006]

The above-mentioned conventional runner traveling structure includes two types of upper runners 4 and lower runners 5 having different structures, so that the functions of load support and vibration damper of the traveling body 1 are shared. Therefore, there is a problem that a difference occurs in the traveling performance between the upper side and the lower side of the traveling body 1 so that smooth traveling cannot be performed. In particular, since the frictional resistance between the runner body 51 of the lower runner 5 and the lower rail 3 is high, the running performance on the lower side of the running body 1 tends to be low.

The present invention has been made in view of the above problems, and makes the upper and lower runners as common as possible while making the best use of the performance of the runner body to make the running performance on the upper side and the lower side uniform. An object of the present invention is to provide a runner traveling structure that can be used.

[0008]

In order to solve the above-mentioned problems, a runner / runner traveling structure according to the present invention employs the following means.

That is, in the present invention, there is provided a box-shaped upper and lower rail, and an upper runner and a lower runner traveling on the box-shaped upper and lower rail. In a runner traveling structure including a runner body that travels and a runner base attached to the runner body, the upper and lower rails each have an open groove extending in a longitudinal direction on a part of an upper surface or a lower surface, and each of the upper and lower rails has an upper and lower rail. The runner body is opposed to the same shape, and the runner main body is a small piece-shaped block portion, a shaft member through hole vertically penetrated through a central portion of the block portion, and an upper end side and a lower end of the block portion which are mounted in a horizontal direction of the block portion. And two pairs of running wheels having outer peripheries protruding from both sides and a span longer than the span of the running wheels, which is mounted in the vertical direction of the block portion and runs in the open groove of the rail. The runner base comprises a cup case embedded and fixed respectively above and below the traveling body and a detachable holder attached to the cup case. The runner body and the cup case use the same members at the top and bottom, respectively, and a shaft member formed in a bolt member through hole of the block portion is rotatably fitted to one of the detachable holders. The runner main body of the upper runner is attached and screwed, and a shaft member formed in a shaft shape in a shaft member through hole of the block portion is rotatably fitted and stopped on the other of the detachable holder. A spring is resiliently mounted on the shaft member to attach the runner body of the lower runner and regulate the proximity limit between the runner body of the lower runner and the runner base. That sleeve-shaped spacer is characterized by comprising a protruded.

[0010]

According to the above-mentioned means, according to the first aspect, the runner body and the cup case are vertically shared, and only the detachable holder to be mounted on the cup case is assembled so as to be vertically different, and the upper runner side can be adjusted vertically. The lower runner has a structure in which spring pressure is exerted on the lower runner side, and the spacer limits the proximity limit between the runner body and the runner base of the lower runner. The runner body is equipped with both running wheels and guide wheels in the same shape up and down, so that the up and down running performance is uniform.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a runner traveling structure according to the present invention will be described below with reference to FIGS.

FIGS. 1 to 6 show a first embodiment of a runner traveling structure according to the present invention.

In this embodiment, similar to the above-described conventional example,
The thing which makes the traveling body 1 consisting of a hanging door run is shown.

In this embodiment, the structure of the upper rail 2 and the lower rail 3 of the above-mentioned conventional example is shared.

The common rail 30 has an upper surface 30.
1, a lower surface 302 and a side surface 303,
The central portion of the lower surface 302 is opened in the longitudinal direction to open the groove 30.
4 and the open end surface 305 faces the open groove 304. The rail 30 is disposed upside down on the upper side and the lower side.
02 is reversed.

Further, in this embodiment, the structure of the runner body 41 of the upper runner 4 and the structure of the runner body 51 of the lower runner 5 of the above-described conventional example are shared.

The common runner body 10 has a block portion 101 supporting a traveling wheel 102 and a guide wheel 103.

The block portion 101 is formed in a small piece shape, and is provided with thin portions 101b having a reduced vertical width on both sides in the longitudinal direction of a thick portion 101a having a thicker vertical width at the center. Shaft members 43 and 5 are provided at the center of the thick portion 101a.
Shaft member insertion hole 101c that is rotatably fitted to and removed from 3
Are provided penetrating vertically. A traveling wheel support hole 101d for supporting the traveling wheel 102 is provided in a portion of the thick portion 101a near the thin portion 101b so as to penetrate in the horizontal direction. A guide wheel support hole 10 for supporting the guide wheel 103 is provided at a central portion of both thin portions 101b.
1e is provided penetrating in the up-down direction.

As shown in detail in FIG. 3, the traveling wheel 102 has a wheel body 102a and two wheel bodies 102a.
Axle 102b connecting the wheel body 102a, axle 1
02b, and a sleeve-shaped dry bearing 102c interposed between the axle 102b and the axle 102
b, retaining washer 1 for retaining dry bearing 102c
02d. Sleeve type dry bearing 10
2c can attenuate running friction without increasing the size of the wheel body 102a.

The running wheels 102 are connected to a block 101
The axle 102b is inserted through the traveling wheel bearing hole 101d of
It is supported. The wheel body 102a of the traveling wheel 102 has a diameter of the thick portion 101 of the block portion 101.
a is formed to be larger than the vertical width of the
01 protrudes by S from both the upper and lower ends of the thick portion 101a.

As shown in detail in FIG. 4, the guide wheel 103 is interposed between a wheel body 103a, an axle 103b which is secured to the wheel body 103a, and an axle 102b and a thin portion 101b of the block 101. Mounted washer 10
3c. The washer 103c is a sleeve-shaped dry bearing 102c, and the axle 102b is
The thrust bearing functions between the thin portion 101b and the wheel body 103a and the thin portion 101b of the lock portion 101.

The guide wheel 103 is connected to the block 10
The axle 103b is inserted into the guide wheel support hole 101e so as to prevent the axle 103b from slipping out.

Accordingly, the span La of the traveling wheel 102 is
The span is shorter than the span Lb of the guide wheel 103.
That is, the traveling wheel 102 is connected to the traveling runner body 1.
At 0, it is always located behind the guide wheel 103.

Further, in this embodiment, the mounting structure of the runner base 42 of the upper runner 4 and the runner base 52 of the lower runner 5 on the traveling body 1 is shared.

That is, the cup cases 422 and 522 fixed to the mounting groove 20 dug from the side end surface (cutting surface) 11 of the traveling body 1 with the screws 421 and 521;
2, 522, which are inserted and detached holders 424, 524 screwed with bolts 423, 523.

Incidentally, the shaft member 43 of the upper runner 4 is formed in a bolt shape, and the detachable holder 424 of the runner base 42 is formed.
42 is inserted through the nut and fixed to the detachable holder 424.
5 is screwed. Therefore, by the rotation of the shaft member 43,
The distance between the runner body 10 and the runner base 42 can be adjusted. The adjusted distance between the runner main body 10 and the runner base 42 is adjusted by the shaft member 43 provided on the runner base 42.
And is held by a rotation screw 426 that comes into contact with.

The shaft member 53 of the lower runner 5 is formed in a shaft shape, and
4, and a coil spring 525 is elastically mounted between itself and the detachable holder 424. Therefore, the shaft member 53
Can appear in the attachment / detachment holder 524, and the runner
Are attracted to the runner base 52. However, the proximity limit between the runner body 10 and the runner base 52 is restricted by the sleeve-shaped spacer 526 protruding from the detachable holder 524 so as to be fitted to the shaft member 53.

According to this embodiment, the running mode is as shown in FIG. That is, on the upper side, the runner body 10 supports the load of the traveling
2 runs on the lower surface 302 of the rail 30. On the lower side, the runner main body 10 is attracted to the runner base 52 by the coil spring 525 to prevent the running body 1 from swinging, and the running wheels 102 are moved to the upper surface 301 (30) of the rail 30.
2) is surely run (the state shown by the solid line).

At this time, the block 1 of the runner body 10
01, the traveling of the traveling wheel 102 is performed without any trouble due to the difference of S between the traveling wheel 102. Therefore, there is no problem caused by sharing the structure of the runner body 10 on the upper side and the lower side. For this reason, by using the runner body 10 on both the upper side and the lower side, the manufacturing cost can be reduced and the mounting work can be simplified. In the lower part,
Since the backlash and the like are absorbed and attenuated by the action of the coil spring 525, the running of the runner body 1 is stabilized and smooth.

Further, in this embodiment, the runner body 10
, The guide wheel 103 travels on the open end surface 305 of the rail 30. Therefore, this guide wheel 103
The traveling of the traveling body 1 is also prevented by the traveling. The anti-vibration of the traveling body 1 by the guide wheel 103 and the opening end surface 305 of the rail 30 has a low frictional resistance because of the rolling structure. In addition, by the anti-vibration function of the traveling body 1,
The upper part and the lower part of the traveling body 1 do not share the function of supporting the load of the traveling body 1 and the function of damping, so that there is no difference in the traveling performance of the traveling body 1. Further, in the traveling of the runner main body 10, as described above, the traveling of the guide wheels 103 for preventing the run-out of the traveling body 1 precedes the traveling of the traveling wheels 102 supporting the load of the traveling body 1. Stability in such as.

Further, in this embodiment, when the traveling body 1 is lowered for some reason, the lower runner body 10
Of the traveling wheel 102 is on the lower surface 301 (302) of the rail 30.
(A state shown by a two-dot chain line in FIG. 6). Therefore, the traveling of the traveling body 1 is not hindered. Further, even if the traveling body 1 is lowered, the proximity limit between the runner body 10 and the runner base 52 is regulated by the spacer 526, so that the traveling body 1 does not collide with the rail 30.

FIG. 7 shows a second embodiment of the runner traveling structure according to the present invention.

In this embodiment, a ball bearing 102e is employed for the bearing structure of the running wheel 102 of the runner body 10.

According to this embodiment, it is possible to cope with a case where the load of the traveling body 1 is large or a case where the traveling body 1 is run at a high speed.

FIGS. 8 to 10 show a third embodiment of the runner traveling structure according to the present invention.

In this embodiment, the runner base 42 of the upper runner 4 and the runner base 52 of the lower runner 5
Is fixed to the back surface 12 of FIG.

Further, in this embodiment, the cup cases 422 and 522 fixed to the mounting groove 20 dug in the back surface 12 are shown.
Are provided with nuts 427 and 527, and the cup case 42 is provided.
2, 522, it is possible to adjust the mounting position of the detachable holders 424, 524.

According to this embodiment, a flat surface on the front side of the traveling body 1 can be easily formed.

As described above, in addition to the illustrated embodiment, the runner bases 42 and 52 and the shaft members 43 and 53 can be configured as other embodiments.

Further, it is also possible to adopt an embodiment of a structure other than the hanging door, for example, a structure in which the lower part supports the load of the traveling body and the upper part prevents vibration.

[0041]

As described above, in the runner traveling structure according to the present invention, the runner main body including both the traveling wheel for supporting the load of the traveling body and the guide wheel for damping the traveling body is shared in the upper and lower directions, and The cup case fixed to the upper and lower sides is made common to the upper and lower sides, and the shaft member to be fitted to and retained in the runner body is made different up and down so that it can be adjusted up and down on the upper runner side and mounted on the lower runner side with spring pressure. By attaching the detachable holder, most of the parts can be shared while providing the necessary functions, and both the traveling wheels and the guide wheels are equipped with the same shape in the upper and lower parts to make the upper and lower traveling performance uniform Therefore, there is no difference in the running performance between the upper side and the lower side, and the running can be smooth. In addition, even if the traveling body is accidentally lowered, the proximity limit between the runner body and the runner base is regulated by the spacer, so that the traveling body does not collide with the rail and smooth traveling can be secured.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a runner traveling structure according to the present invention.

FIG. 2 is a sectional view of FIG.

FIG. 3 is an enlarged vertical sectional view of a main part of FIG. 2;

FIG. 4 is an enlarged longitudinal sectional view of another main part of FIG. 2;

FIG. 5 is a cross-sectional view showing another mounting portion of FIGS. 1 and 2;

FIG. 6 is a simplified side view showing the operation of the embodiment of the runner traveling structure according to the present invention.

FIG. 7 is an enlarged sectional view of a main part showing a second embodiment of the runner traveling structure according to the present invention.

FIG. 8 is a perspective view showing a third embodiment of the runner traveling structure according to the present invention.

FIG. 9 is a sectional view of a main part of FIG. 8;

FIG. 10 is a cross-sectional view showing another mounting portion of FIGS. 8 and 9;

FIG. 11 is a perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Running body (hanging door) 4 Upper runner 41 Runner main body 42 Runner base 424 Removable holder 425 Nut 43 Shaft member 5 Lower runner 51 Runner main body 52 Runner base 524 Removable holder 525 Coil spring 526 Spacer 53 Shaft member 10 Runner main body 101 Block portion 102 Running wheel 103 Guide wheel 30 Rail 301 Upper surface 302 Lower surface 304 Open groove 305 Open end surface La, Lb Span

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-54-154142 (JP, A) JP-A-56-7792 (JP, U) JP-A-4-62875 (JP, U) JP-A-4- 108769 (JP, U) Jikken 10-13267 (JP, Y1) (58) Fields investigated (Int. Cl. ⁶ , DB name) E05D 15/06 117-123 E05D 15/00 E05D 15/26

Claims (1)

(57) [Claims] An upper runner and a lower runner that run on a box-shaped upper and lower rail are provided. The upper runner and the lower runner each run inside the upper and lower rails, and runners attached to the runner main body, respectively. In a runner running structure including a base, the upper and lower rails have open grooves extending in a length direction on a part of an upper surface or a lower surface, and are opposed to each other in the same shape in the upper and lower directions. And a pair of running wheels having a shaft member through hole vertically penetrated through a central portion of the block portion, and an outer periphery mounted in a horizontal direction of the block portion and protruding from both the upper end side and the lower end side of the block portion. And mounted in the vertical direction of the block portion, running in the open groove of the rail, and having a span longer than the span of the running wheel and positioned on both outer sides in the running direction of the running wheel. The runner base is composed of a cup case embedded and fixed on the upper and lower sides of the traveling body, respectively, and a detachable holder mounted on the cup case. The runner body and the cup case are the same in the upper and lower parts, respectively. A shaft member formed into a shaft member through hole of a block portion is bolted to one of the detachable holders so as to be rotatably fitted thereto and screwed together with the shaft member. A shaft member formed in a shaft shape in a shaft member through hole of the block portion is rotatably fitted to and removed from the other of the detachable holders, and a spring is elastically mounted on the shaft member and the lower runner is A runner main body is attached and a sleeve-shaped spacer for restricting a proximity limit between the runner main body and the runner base of the lower runner is formed so as to protrude. Runners traveling structure characterized by comprising.