JP2517022Y2 - Runner mounting structure on the door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a device for attaching a runner to a door.

[Prior Art] Conventionally, when attaching the runner 2 to the upper end portion of the door body 1 such as a folding door, for example, it is attached as shown in FIG. 7. That is, the fixed piece 4 to which the runner shaft 3 ′ hanging from the runner 2 is rotatably attached
Was applied to the upper side end surface of the door body 1 and was fixed to the door body 1 with wood screws 5.

[Problems to be solved by the invention] However, in the above-mentioned conventional example, it is necessary to fix with the wood screw 5, and the installation is troublesome. Moreover, when the runner 2 is suspended on the upper rail, There is a risk that the entire load will be concentrated and damage will occur at this part. Moreover, the protrusion length of the runner 2 from the upper end of the door body 1 could not be adjusted.

As a solution to this problem, the present applicant previously applied for Japanese Patent Application No. 2-62031 (Japanese Patent Application Laid-Open No. 3-262886).
As shown in FIG. 8, the horizontal fitting member 7 is fitted into the lateral hole portion 6 formed in the upper portion of the door body 1 and is inserted into the vertical hole portion 8 formed so as to communicate with the lateral hole portion 6 from the upper surface portion of the door body 1. The runner shaft 3 ″ hanging from the runner 2 was inserted into the attached guide cylinder 11, and the male screw portion 9 at the bottom of the runner shaft 3 ″ was screwed to the female screw portion 10 of the lateral fitting member 7. In the case of this prior application example, the load of the door body 1 is transmitted to the runner 2 via the lateral fitting member 7 to be in a stable suspended state, and the door body 1 of the runner 2 is rotated by rotating the runner shaft 3 ″. The protruding length from the upper end can be adjusted, but each time the door body 1 is opened and closed, the runner shaft 3 ″ rotates together with the runner 2, and the male screw portion 9 and the female screw portion are
There was a problem that wear was generated in the threaded portion with 10. Further, two parts of the lateral fitting member 7 and the guide cylinder 11 are inserted into the lateral hole portion 6 and the vertical hole portion 8 respectively to assemble a portion for attaching the runner shaft 3 ″ to the door body 1, and this portion is also extremely complicated. was there.

The present invention was devised in view of the problems of the above-mentioned conventional example, and the purpose thereof is to easily adjust the protrusion length from the door body of the runner, and further, to make the female screw portion of the male screw portion. The rotation of the runner can be stopped to prevent abrasion of the threaded part with the female thread, and the structure of the rotation stop can be simplified, and the structure of the part where the runner shaft is attached to the door can also be simplified. To provide the mounting structure.

[Means for Solving the Problems] The structure for mounting the runner on the door body of the present invention is such that a flat substantially rectangular parallelepiped block 12 made of synthetic resin is provided with a runner shaft insertion hole 13 in the vertical direction and the block 12 A fixing tool insertion hole 14 is provided in the lower portion of the door in the horizontal direction, and the block 12 is fitted into the notch 15 provided in the upper corner portion of the door body 1 so as to open to the upper surface and the side end surface, and the fixing tool insertion hole is formed. 14
The tip of the fastener 18 inserted in the
12 is fixed to the door body 1, and the runner 2 is attached to the upper part of the runner shaft 3.
Rotatably provided, and the male screw portion 9 provided at the lower portion of the runner shaft 3 is inserted into the runner shaft insertion hole 13 and screwed into the female screw portion 10 of the runner shaft insertion hole 13 to form the runner 2 and the male screw portion of the runner shaft 2. The deformed shaft portion 16 is elastically sandwiched between the upper end of the runner shaft insertion hole 13 and the rotation stopper spring portion 17 integrally formed with the block 12.

[Operation] When mounting the runner 2, the block 12 is fitted into the cutout portion 15 of the door body 1 so that the fastener insertion hole is formed.
The fixing tool 18 is inserted into 14 and the block 12 is fixed to the door body 1 by the fixing tool 18, and the runner shaft 3 hanging from the runner 2 is inserted into the runner shaft insertion hole 13 from above to make the male screw portion 9 the female screw portion. It is attached by screwing into 10. Then, the length of protrusion of the runner 2 from the upper end of the door body 1 is adjusted by adjusting the screwed state of the male screw portion 9 with the female screw portion 10. Even when the runner 2 rotates when opening and closing the door body 1, the runner shaft 3 does not rotate only by the rotation of the runner 2 with respect to the runner shaft 3 by the locking of the rotation stopping spring portion 17 with respect to the deformed shaft portion 16. The threaded portion between the male screw portion 9 and the female screw portion 10 is not worn. Further, the rotation stop spring portion 17 is provided integrally with the block 12 made of synthetic resin, and the number of parts can be reduced and the structure can be simplified as compared with the case where a separate member is attached. Further, the runner shaft 2 can be attached only by attaching the one-piece block 12 to the door body 1, and the structure can be simplified.

[Embodiment] The door body 1 is, for example, a two-fold door as shown in FIG. 5 and FIG. 6, and is constituted by connecting two panel bodies 1a via a hinge portion 19 so as to be foldable. 2 constituting the door body 1
As shown in FIG. 2, a notch 15 is provided at the upper corner of the end of the panel body 1a opposite to the hinge portion 19.
The notch 15 is formed so as to open on the side end surface and the upper end surface of the door body 1. In the lower part of the cutout portion 15, a cylindrical locking space 15a having a width wider than the width of the cutout portion 15 is provided over the entire length in the horizontal direction. The flat rectangular parallelepiped block 12 as shown in FIG. 3 is integrally formed of synthetic resin,
A cylindrical locking part with a diameter larger than the thickness of the block 12 at the bottom
12a is provided over the entire length in the horizontal direction. This block 1
2 is fitted into the notch 15 by inserting it from the side surface opening of the notch 15. When this block 12 is fitted into the cutout portion 15, the locking portion 12a is locked in the locking space 15a, and the block 12 is attached upward so as not to come off.
The block 12 has a runner shaft insertion hole extending vertically.
13 is perforated, and a fastener insertion hole 14 is horizontally perforated at a position where the locking portion 12a at the bottom of the block 12 is present. The block 12 is attached to the door body 1 by inserting a fastener 18 such as a screw into the fastener insertion hole 14 and screwing the tip of the fastener 18 into the door body 1. A nut insertion hole 20 is provided in the block 12 so as to correspond to the runner shaft insertion hole 13, and a nut 21 is inserted into the nut insertion hole 20 to form a female thread portion 10 in the runner shaft insertion hole 13 with the nut 21. I am doing it. The runner 2 is configured such that running wheels 23 are rotatably attached to a runner body 22 and a runner shaft 3 is rotatably hung from the runner body 22. An upper portion of the runner shaft 3 is a runner support shaft portion 24, and a nut portion 25 is integrally provided at a lower end of the runner support shaft portion 24. The runner support shaft portion 24 is rotatably inserted into the shaft hole of the runner main body 22, and the upper end of the runner support shaft portion 24 is caulked to form a locking portion 26, so that the runner 2 is mounted on the runner shaft 3. It is rotatably attached. A male screw portion 9 is provided in the lower part of the runner shaft 3, and a deformed shaft portion 16 having a non-circular cross section is provided between the runner support shaft portion 24 of the runner shaft 3 and the male screw portion 9. The male screw portion 9 of the runner shaft 3 hanging from the runner 2 is inserted into the runner shaft insertion hole 13 of the block, and the female screw portion 10 of the nut 21 is inserted.
It is attached by screwing a male screw portion 9 on. A spring accommodating recess 28 is provided at the upper end of the runner shaft insertion hole 13 of the block 12, and a rotation stopping spring portion 17 is integrally provided in the spring accommodating recess 28. The rotation stopping spring portion 17 is formed by providing a pair of projecting pieces 17a in a substantially U shape. The deformed shaft portion 16 is elastically sandwiched by the pair of protrusions 17a of the rotation stopping spring portion 17 so that the runner shaft 3 is prevented from rotating. In this way, the runner 2 is attached to the door body 1.
The traveling wheels 23 of the runner 2 are attached to the upper rail 29 so as to be freely movable. Runner 2 when opening and closing the door 1
Rotates, but the runner shaft 3 is normally rotated by the rotation stop spring 17.
Is stopped so as not to rotate, the runner 2 rotates with respect to the runner shaft 3 and the runner shaft 3 does not rotate. When adjusting the height of the runner 2 with respect to the upper end of the door body 1, by rotating the nut portion 25 with a spanner or the like, the runner shaft 2
The deformed shaft portion 16 of the above can rotate against the spring force of the rotation stopping spring portion 17, and therefore the nut portion 25
The runner shaft 3 can be rotated only when the wrench is rotated by a wrench or the like, and the nut portion 25 is rotated by a wrench or the like to adjust the screwing depth of the male screw portion 9 with the female screw portion 10 so that the door body of the runner 2 is rotated. The projection length from the upper end of 1 is adjusted. Further, in the embodiment shown in FIG. 3, the fastener insertion hole 14 is provided so as to be eccentric downward from the center of the cylindrical locking portion 12a so that the lower end of the runner shaft 3 of the runner 2 can be inserted as far as possible down. Has become. In the embodiment shown in FIG. 4, the position of the fastener insertion hole 14 is shifted laterally with respect to the position where the runner shaft 3 passes, and even if the runner shaft 3 is inserted to the lower end of the block 12, the fastener insertion hole 14 is It is designed not to hit the fixing tool 18, and the runner shaft 3 can be inserted to the lower end of the block 12.

A lower runner 30 is attached to a lower portion of an end portion of the two panel bodies 1a constituting the door body 1 on the opposite side to the hinge portion 14, and the lower runner 30 is movably attached to a lower rail 31. Then, the runner 2 and the lower runner 30 are made to travel along the upper and lower rails 29, 31 to fold or spread the door body 1.

[Effect of the Invention] As described above, the present invention provides a flat substantially rectangular parallelepiped block formed of synthetic resin with a runner shaft insertion hole in the vertical direction and a fastener insertion hole in the horizontal direction at the bottom of the block. Fit the block into a notch provided in the upper corner of the door body so as to open to the upper surface and the side end face, and screw the tip of the fastener inserted through the fastener insertion hole into the door body to form the block. The runner is fixed to the door body, the runner is rotatably installed on the upper part of the runner shaft, and the male screw part provided on the lower part of the runner shaft is inserted into the runner shaft insertion hole and screwed into the female screw part of the runner shaft insertion hole. The runner can be securely attached to the door simply by attaching the block of one component to the door, and the runner attachment structure can be simplified compared to the conventional one, improving the assembling property. Even if a lock is attached, the block can be attached with good appearance simply by exposing it on the side end face and the upper end face that are not conspicuous.Also, by changing the screwing depth of the male screw part to the female screw part, the runner protrudes from the door body. The length can be changed and the height of the runner can be adjusted.The runner is rotatably installed on the upper part of the runner shaft, and the runner of the runner shaft and the male thread part form a deformed shaft part and the runner Since the deformed shaft part is elastically clamped by the rotation stop spring part that is provided integrally with the block at the upper end of the shaft insertion hole, the runner can freely rotate with respect to the runner shaft and the runner shaft with respect to the door body. Does not rotate, the runner shaft does not rotate even if the runner rotates when opening and closing the door, and the male screw part does not rotate with respect to the female screw part. Since the screwed part of is not worn, and the block is made of synthetic resin and the rotation stop spring part is provided integrally with the block, compared to the case where a separate spring is provided. The number of parts can be reduced and the assembly can be easily performed.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention seen from the front, FIG.
The figure is a partially cutaway exploded perspective view showing the same runner shaft, block, and door body, and FIGS. 3 (a), (b), and (c) are front view, plan view, and side view of the same block, and FIG. d) is an enlarged plan view of the rotation stopping spring portion of the above, FIG. 4 is a side view of another embodiment of the above, FIG. 5 is a perspective view of the same as above, and FIG. FIG. 7 is an exploded perspective view of the body, FIG. 7 is a perspective view of a conventional example, and FIG. 8 is a cross-sectional view showing the prior application. 1 is a door body, 2 is a runner, 3 is a runner shaft, and 9 is a male screw part. , 10 is a female screw portion, 13 is a runner shaft insertion hole, 14 is a fastener insertion hole, 15 is a notch portion, 16 is a deformed shaft portion, and 17 is a rotation stopper spring portion.

Claims (1)

(57) [Scope of utility model registration request] 1. A flat substantially rectangular parallelepiped block made of synthetic resin is provided with a runner shaft insertion hole in the vertical direction and a fastener insertion hole is provided in the lower part of the block in the horizontal direction, and a corner portion of the upper part of the door body is provided. The block is fitted into the notch provided in the upper surface and the side end surface of the door, and the tip of the fixing tool inserted into the fixing tool insertion hole is screwed into the door body to fix the block to the door body. The runner is rotatably mounted on the upper part of the shaft, and the male screw part provided on the lower part of the runner shaft is inserted into the runner shaft insertion hole and screwed into the female screw part of the runner shaft insertion hole. The runner is attached to the door by elastically sandwiching the deformed shaft with the rotation prevention spring that is integrally formed with the block at the upper end of the runner shaft insertion hole.