JP3623319B2 - Suspended car type runner unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a suspended wheel type runner unit applied to a sliding door, a folding door, and the like, and includes a runner body and a socket for engaging and capturing the runner body.
[0002]
This type of runner unit is known in Japanese Utility Model Publication No. 7-10344. In this case, as shown in FIG. 8, a connecting shaft 41 having a round shaft shape is projected from the lower surface of the runner body 40, and an engaging groove 42 provided at the lower end of the connecting shaft 41 is engaged and captured by a lock shaft 43. At the tip of the lock shaft 43, a pair of fork-like elastic claws 44 that are press-fitted into the engagement groove 42 are provided. The door panel is provided with a vertical hole 45 opened at the upper end surface and a horizontal hole 46 opened at the side end surface orthogonal to each other. After the connecting shaft 41 is inserted into the vertical hole 41, the lock shaft 43 is inserted into the horizontal hole 46, By engaging the elastic claw 44 of the lock shaft 43 with the engagement groove 42, the runner body can be engaged and captured without being separated. A mounting plate 47 is provided on the upper portion of the connecting shaft 41, and the mounting strength of the runner body is supplemented by screwing the mounting plate 47 to the door panel.
[0003]
[Problems to be solved by the invention]
In the runner unit, after the runner body is assembled to the door panel, the lock shaft 43 is inserted into the horizontal hole 46 and the connection shaft 41 is engaged and captured. Therefore, when it is necessary to previously assemble the runner body on the guide rail, it is extremely difficult to assemble the runner body to the door panel. Since the gap above the door panel is small, it is difficult to perform the screw fastening operation of the mounting plate 47, and it is necessary to engage the elastic claw 44 of the lock shaft 43 with the engagement groove 42 while the door panel is lifted up. Because. After the runner body is fixed to the door panel, the runner body can be assembled to the guide rail. However, it is necessary to cut out a part of the guide rail and provide a separate installation port. Takes extra effort such as closing the door.
[0004]
In order to avoid the inconvenience in construction as described above, in the suspension type runner unit, as shown in, for example, Japanese Utility Model Laid-Open No. 7-14070, a socket is fixed to the door panel side and provided on the runner body. The runner body can be easily attached to the door panel simply by inserting the connecting block into the previous socket. However, this type of runner mounting structure is complicated and expensive, and requires a panel thickness that can embed a connecting block having a large external dimension, so that the application target is limited to a relatively large door panel.
[0005]
SUMMARY OF THE INVENTION An object of the present invention is to provide an inexpensive and easy-to-install runner-type runner unit that can attach a runner body to a door panel with a single touch while simplifying the connection structure of the runner unit to the door panel. An object of the present invention is to provide a suspended-car runner unit that can be applied to a relatively small door panel having a small thickness without any problem. The object of the present invention is to simplify the hole processing on the door panel side for attaching the runner unit, and depending on the usage pattern of the door panel, the socket hole opening position is either the side wall of the door panel or the front or back surface wall. An object is to provide a suspended-runner unit that can be selected.
[0006]
[Means for Solving the Problems]
As shown in FIG. 1, the runner unit of the present invention includes a runner body 3 that is mounted in the vertical hole 30 of the door panel 1 and a socket 4 that is mounted in a horizontal hole 31 that intersects the vertical hole 30 and holds the runner body 3 fixedly. Become. The lower part of the runner body 3 is provided with a connecting shaft 8 that fits in the vertical hole 30 and a latching portion 12 that is engaged and captured by the socket 4. The socket 4 includes a case 13, a lock tool 14 that is supported by the case 13 so as to be slidable in a reciprocating manner, and a spring 15 that moves and urges the lock tool 14 in a direction in which the lock tool 14 is engaged with the latching portion 12. Either one of the locking device 14 and the latching portion 12 is provided with a slope 25 for engaging guide that moves the locking device 14 to the unlocking position side against the urging force of the spring 15.
[0007]
Specifically, as shown in FIG. 4, the latching portion 12 is formed by a pair of latching arms 22 projecting below the connecting shaft 8 and a latching shaft 23 that bridges the latching arms 22. To do. A connecting hole 20 that allows the latching portion 12 to enter and a guide hole 18 that slidably guides and supports the plate-like lock tool 14 are provided in the case 13. A claw portion 24 that captures and engages the latching shaft 23 and an inclined surface 25 for guiding the engagement are provided on the locking device 14.
Alternatively, as shown in FIG. 7, the lock member 14 formed of a shaft body is supported by the case 13 so as to be reciprocally slidable, and is engaged and captured by the lock member 14 projecting below the connecting shaft 8. It is also possible to adopt a form in which the engagement recess 34 and the slope 25 for engagement guidance are provided.
[0008]
[Action]
At the time of use, the socket 4 is preloaded in the horizontal hole 31 of the door panel 1, the connecting shaft 8 of the runner body 3 is inserted into the vertical hole 30, and the latching portion 12 is engaged with the lock 14 provided on the socket 4. To do. In the middle of the intersection, the downward force of the latching portion 12 is converted into a lateral force through the engaging guide inclined surface 25, and the locking device 14 is moved in the unlocking direction against the urging force of the spring 15. When the latching portion 12 is inserted to a predetermined position, the lock tool 14 moves back to the lock position and engages and captures the latching portion 12 so as not to move upward.
[0009]
Since the runner body 3 is fixedly held by loading the connecting shaft 8 and the socket 4 of the runner body 3 into the vertical holes 30 and the horizontal holes 31 of the door panel 1, respectively, the connecting mechanism can be simplified and miniaturized, and the door panel having a small thickness. The runner body 3 can be attached to 1 without any trouble. The mounting direction of the socket 4 can be set on either the side end face of the door panel 1 or the front and back walls. According to the socket 4 in which the latching portion 12 engages with the coupling hole 20 provided in the case 13 in the connected state, the latching portion 12 and the socket 4 act so as to prevent the mating member from coming out. There is no need to fasten and fix 4 to the door panel 1, and construction work can be omitted accordingly.
[0010]
(Example 1)
1 to 5 show an embodiment in which the runner unit of the present invention is applied to a sliding door. 1 and 2, reference numeral 1 denotes a wooden door panel, and 2 denotes a guide rail made of an aluminum mold. The runner unit of the present invention is attached to each of the upper corners of the left and right sides of the door panel 1. The runner unit includes a runner body 3 that is guided by the guide rail 2 and a socket 4 that is embedded in the door panel 1 and engages and captures the runner body 3.
[0011]
The runner body 3 includes a runner body 6 that supports four freely rotatable rollers 5 via a shaft, a runner shaft 7 that penetrates the center of the runner body 6 up and down, and a connecting shaft 8 that is assembled to the door panel 1. And a height adjusting mechanism provided between the runner shaft 7 and the connecting shaft 8. The runner shaft 7 and the runner body 6 are in a relatively rotatable relationship, which makes it possible to apply the runner unit to a folding door panel.
[0012]
The connecting shaft 8 is formed of a bottomed cylindrical plastic molded product having a circular cross section, and has a flange 8a protruding at the upper end and a latching portion 12 protruding from the lower end. The height adjusting mechanism includes a cylindrical male screw 9 fitted on the runner shaft 7 and a screw hole 8b formed on the inner surface of the connecting shaft 8 corresponding to the male screw 9, and is integrated with the upper end of the male screw 9. By rotating the provided hexagonal head 9a, the screwing amount of the male screw 9 is changed, and the vertical adjustment of the door panel 1 can be performed. An anti-rotation piece 10 is disposed at the lower end of the male screw 9 and is caulked and fixed to the runner shaft 7.
[0013]
A latching portion 12 is integrally provided at the lower end of the connecting shaft 8 and is engaged and captured by the socket 4 to fix the runner body 3 to the door panel 1. In FIG. 4, the socket 4 includes a round shaft block-shaped case 13 made of a plastic molded product, a lock tool 14 assembled in the case 13, a compression coil spring 15 that engages and urges the lock tool 14, and the like. To do. A flange wall 16 for positioning is projected from the side end of the case 13, and an operation portion 17 is formed in a recessed manner on the side end surface. Inside the case 13, a guide hole 18 that slidably guides the locking device 14 is formed in a left-right direction, and a spring hole 19 is formed in a bottomed hole shape near the lower end of the guide hole 18. Further, a connecting hole 20 that opens on the upper surface of the case is formed in the left and right midway portion of the case 13. The latching portion 12 enters the connecting hole 20 from above.
[0014]
The latching portion 12 includes a pair of front and rear flat latching arms 22 projecting downward from the lower end surface of the connecting shaft 8, and a metal latching shaft 23 that bridges the lower end portions of both the latching arms 22. It consists of. The locking device 14 is formed of a plate body formed by punching a metal plate, and is provided with a claw portion 24 that engages and captures the latching shaft 23 near the upper edge of the middle portion of the plate surface. A slope 25 is provided. At the left end of the plate surface, an unlocking operation groove 26 is formed so as to be inclined downward toward the lower side end, and a notch 27 for the spring 15 is formed continuously from the lower end of the operation groove 26.
[0015]
After the spring 15 is loaded in the spring hole 19 of the case 13, the lock tool 14 is inserted into the guide hole 18, and the entire lock tool 14 is pushed into the guide hole 18 against the urging force of the spring 15. A pin 28 is driven into the lower right end of the lock member 14 to prevent the lock tool 14 from coming off. In this assembled state, the claw portion 24 slides against the urging force of the spring 15 so as to slide into the entry region of the latching shaft 23 and retreats outside the entry region of the latching shaft 23. Can slide back and forth between.
[0016]
In order to attach the above runner unit, the vertical hole 30 for the connecting shaft 8 is provided near the upper surface side end of the door panel 1, and the horizontal hole 31 for the socket 4 intersects the vertical hole 30 at the upper part of the side end surface of the door panel 1. Form. Both holes 30 and 31 are processed in advance when the door panel 1 is manufactured. Since both the holes 30 and 31 are round holes, they can be easily formed without using a special processing machine. You may process at the time of construction as needed.
[0017]
At the time of construction, as shown in FIG. 5, the socket 4 made into a unit part is inserted into the horizontal hole 31 and attached, and the position of the case 13 is adjusted so that the locking device 14 is parallel to the vertical frame line of the door panel 1. The center axis of the hole 20 is aligned with the center axis of the vertical hole 30. All the runner main bodies 3 are assembled in the guide rail 2. Next, the connecting shaft 8 of the runner body 3 is inserted into the vertical hole 30 while raising the door panel 1. When most of the connecting shaft 8 enters the vertical hole 30, the lower portion of the latching portion 12 enters the case 13, and the latching shaft 23 contacts the inclined surface 25 of the lock tool 14. At this time, the locking device 14 receives a lateral component acting on the inclined surface 25 and slides to the unlocking side against the urging force of the spring 15, and the latching shaft 23 passes through the lower end of the inclined surface 25. At the same time, it returns to the locked position, and the claw portion 24 wraps around and engages with the upper surface of the latching shaft 23.
[0018]
As described above, the connecting shaft 8 cannot be extracted from the vertical hole 30 in a state where the latching portion 12 is engaged and captured by the socket 4. In addition, since the latching portion 12 is fitted in the connecting hole 20 of the case 13, the socket 4 cannot be extracted from the lateral hole 31. Finally, the head 9 a is rotated to adjust the gap between the door panel 1 and the guide rail 2. For example, when the front and back of the door panel 1 are mistakenly suspended, a tool such as a screwdriver is engaged with the operation groove 26 facing the operation portion 17 of the case 13 to move the lock tool 14 to the unlocking side. By simply operating, the engagement between the claw portion 24 and the latching shaft 23 is released, and the connecting shaft 8 can be easily extracted from the vertical hole 30. The lateral hole 31 can be formed so as to open on one of the front and rear surface walls of the door panel 1.
[0019]
(Example 2)
In the first embodiment, the entire latching portion 12 is fitted into the case 13, but this is not necessary. That is, FIG. 6 shows a second embodiment of the present invention. In this case, a groove 32 that allows the latch arm 22 to enter is provided before and after the case 13, and the groove 32 is received by the latch arm 22 so that the socket 4 can be prevented from coming out. In this case, however, the case 13 is provided with a longitudinal groove 33 that allows the latch shaft 23 to enter and exit.
[0020]
(Example 3)
FIG. 7 shows a third embodiment in which the structure of the locking device 14 and the latching portion 12 is changed. There, the locking device 14 is formed of a shaft, and is guided and supported by a guide hole 18 provided in the case 13 so as to be slidable to the left and right. The compression coil spring 15 is used to move and urge the locking device 14 to the locked position. . The latching portion 12 is formed of a plate-shaped metal, and an inclined surface 25 for engaging guide is provided at the lower end thereof, and an engaging concave portion 34 for the locking device 14 is provided at a side edge continuous with the upper end of the inclined surface 25. An unlocking shaft 35 for unlocking operation is fixed to the locking device 14, and a knob 36 fixed to the protruding end is made to face the side end of the case 13. In Examples 2 and 3, the same members as those in Example 1 are denoted by the same reference numerals, and the description thereof is omitted.
[0021]
In addition to the above embodiment, the spring 15 can be changed to a tension coil type spring or a leaf spring. The running part of the runner body 3 may be configured to include one or more rollers 5. By integrating the connecting shaft 8 and the runner shaft 7, the height adjusting mechanism can be omitted. The latch shaft 23 can be plastic-molded integrally with the latch arm 22.
[0022]
【The invention's effect】
In the present invention, the connecting shaft 8 to be inserted and fitted into the vertical hole 30 of the door panel 1 and the hooking portion 12 are provided on the runner body 3 side, and the lock 14 of the socket 4 loaded in the horizontal hole 31 of the door panel 1 The latching portion 12 is engaged and captured to fix the runner body 3 to the door panel 1. Therefore, even when the runner body 3 is pre-assembled with the guide rail 2, the connecting shaft 8 is inserted into the vertical hole 30 and the latching portion 12 is engaged with the socket 4. The runner body 3 can be easily assembled, and the overall structure can be simplified and miniaturized as compared with the conventional connection mechanism of this type, so that a suspended-car runner unit that is inexpensive and easy to construct can be obtained. Since the door panel 1 only needs to have a thickness that can accommodate the socket 4, the connecting shaft 8, etc., the door panel 1 can be applied to a relatively small door panel having a small thickness, and the vertical hole 30 to be formed in the door panel 1. In addition, there is an advantage that the side hole 31 can be easily processed.
[Brief description of the drawings]
FIG. 1 is a longitudinal front view of a runner unit assembled on a door panel.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a cross-sectional view taken along line BB in FIG.
FIG. 4 is an exploded perspective view of a socket.
FIG. 5 is a cross-sectional view showing a state in the middle of engagement between the latching portion and the locking device.
FIG. 6 is a cross-sectional plan view showing a connecting portion structure of a runner unit according to a second embodiment.
FIG. 7 is a cross-sectional view showing a connecting portion structure of a runner unit according to a third embodiment.
FIG. 8 is a cross-sectional view showing a connecting portion structure of a conventional runner unit.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Door panel 3 Runner main body 4 Socket 8 Connecting shaft 12 Hook part 13 Case 14 Locking tool 15 Spring 24 Claw part 25 Slope 30 Vertical hole 31 Horizontal hole

Claims (3)

The runner body 3 is mounted in the vertical hole 30 of the door panel 1, and the socket 4 is mounted in the horizontal hole 31 intersecting the vertical hole 30 to fix and hold the runner body 3.
The lower part of the runner body 3 is provided with a connecting shaft 8 fitted in the vertical hole 30 and a latching portion 12 engaged and captured by the socket 4.
The socket 4 includes a case 13, a lock tool 14 that is supported by the case 13 so as to be slidable in a reciprocating manner, and a spring 15 that moves and urges the lock tool 14 in a direction to engage with the latching portion 12.
A suspension-wheel-type runner in which either one of the locking device 14 and the latching portion 12 is provided with a slope 25 for engaging guide that moves the locking device 14 to the unlocking position side against the urging force of the spring 15. unit. The latching portion 12 is formed of a pair of latching arms 22 projecting below the connecting shaft 8 and a latching shaft 23 that bridges both the latching arms 22.
In the case 13 of the socket 4, there are provided a connecting hole 20 that allows the latching portion 12 to enter, and a guide hole 18 that slidably guides and supports the plate-like lock tool 14.
The suspension wheel-type runner unit according to claim 1, wherein a claw portion (24) for catching and engaging the latching shaft (23) and an engagement guide slope (25) are provided on the lock tool (14). A lock tool 14 formed of a shaft body is supported by a case 13 so as to be slidable back and forth.
The suspension wheel according to claim 1, wherein the latching portion 12 projecting below the connecting shaft 8 is provided with an engagement concave portion 34 engaged and captured by the lock 14 and an inclined surface 25 for engagement guide. Runner unit.

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