JP3780412B2 - Suspended car device for the upper sliding door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a suspension vehicle for an upper suspension type sliding door including a runner having a roller that rolls along a hanger rail, and a sliding door suspension shaft having an upper end attached to the runner and a lower end attached to the sliding door.
[0002]
In this specification, the term “sliding door” includes all doors suspended so as to move along the hanger rail by a folding door or a suspension device such as a movable partition. In this specification, the left side of FIGS. 2 and 5 is referred to as the front, and the opposite side is referred to as the rear, and the top and bottom and left and right of FIG.
[0003]
[Prior art]
For example, an upper suspension type sliding door provided in a closet of a house is suspended so as to move along a hanger rail by a suspension device provided at an upper end, and its lower end moves along a guide rail. Has been made. By the way, in such a sliding door, it is necessary to adjust the height of the sliding door with respect to the hanger rail after installing the sliding door in order to make the lower end of the sliding door parallel to the floor and to make the gap between them appropriate. There is.
[0004]
In order to adjust the height of the sliding door with respect to the hanger rail, conventionally, as this type of suspension vehicle device, a runner having a roller that rolls along the hanger rail, an upper end portion is attached to the runner, and a lower end portion is attached to the sliding door. The sliding door suspension shaft is attached to the runner so that the sliding door suspension shaft does not rotate with respect to the runner but moves up and down, and the lower end of the sliding door suspension shaft moves up and down. It is attached to the sliding door so that the threaded part is formed on the sliding door suspension shaft, and the shaft moving nut, which is designed not to move up and down with respect to the runner, is screwed on the threaded part of the sliding door suspension shaft. The runner is attached to the runner with an operating shaft for rotating the nut that is rotatable around an axis that forms a predetermined angle with the sliding door suspension shaft. The first bevel gear is integrally formed with the shaft moving nut so as to be coaxial with the shaft moving nut, and the second bevel gear is coaxial with the nut rotating operation shaft and meshes with the first bevel gear. Are integrally formed, and the nut rotation operation shaft is known to be operated from the outside in the direction of movement of the runner and obliquely from below (see Japanese Patent Application Laid-Open No. 2001-27072).
[0005]
[Problems to be solved by the invention]
However, in the conventional suspension vehicle device, in order to adjust the height of the sliding door with respect to the hanger rail, the nut rotation operation shaft is rotated by using a tool such as a screwdriver using a very small gap between the runner and the sliding door. There is a problem that workability is extremely poor.
[0006]
An object of the present invention is to provide a suspension device for an overhanging sliding door that can solve the above-described problems and can improve workability when adjusting the height of the sliding door with respect to the hanger rail.
[0007]
[Means for Solving the Problems and Effects of the Invention]
According to the first aspect of the present invention, there is provided a suspension apparatus for an upper suspension sliding door comprising: a runner having a roller that rolls along a hanger rail; and a sliding door suspension shaft having an upper end attached to the runner and a lower end attached to the sliding door. A suspension vehicle apparatus for an upper suspension type sliding door provided, wherein the sliding door suspension shaft is attached to the frame fixed to the sliding door so that the sliding door suspension shaft does not rotate but moves in the vertical direction. A male screw part is formed, and a shaft moving nut, which is made not to move in the vertical direction with respect to the frame, is screwed into the male screw part of the sliding door suspension shaft, and the frame extends around the axis extending in the front-rear direction. A nut rotating operation member that can be rotated and rotated from the front of the frame is attached, and the nut rotating operation member and the shaft move. Between the nut, in which the transmission means is provided for converting the rotation of the nut rotating operation member in the rotation of the shaft moving nut.
[0008]
According to the suspension vehicle apparatus of the first aspect of the present invention, when the nut rotating operation member is rotated from the front of the frame, the rotational force is transmitted to the shaft moving nut by the transmission means, and the nut is rotated. When the shaft moving nut rotates, the sliding door suspension shaft moves in the vertical direction with respect to the nut and the frame. As a result, the height of the runner relative to the sliding door is changed, thereby adjusting the height of the sliding door relative to the hanger rail.
[0009]
And when adjusting the height of the sliding door, the operation member for rotating the nut can be rotated from the front side of the frame, which is either one of the front and back sides of the sliding door. Workability is improved dramatically.
[0010]
According to a second aspect of the present invention, there is provided a suspension apparatus for an upper suspension type sliding door according to the first aspect, wherein a knob for rotating the nut rotating operation member projects forward of the frame at the front end portion of the nut rotating operation member. It is provided in a fixed manner. In this case, since the nut rotating operation member can be rotated by holding the knob by hand, the height of the sliding door can be easily adjusted without using a tool such as a driver.
[0011]
According to a third aspect of the present invention, there is provided a suspension apparatus for an upper suspension type sliding door according to the first or second aspect, wherein the transmission means is fixedly provided on the shaft moving nut so as to be coaxial with the shaft moving nut. The first bevel gear includes a first bevel gear and a second bevel gear that is fixed to the nut rotating operation member so as to be coaxial with the first bevel gear and meshes with the first bevel gear.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0013]
1 to 3, the suspension vehicle device includes a runner (2) having a plurality of rollers (1) rolling along a hanger rail (not shown), and a plastic frame (3) fixed to the sliding door (S). ) And a metal sliding door suspension shaft (4) whose upper end is attached to the runner (2) so that it does not move in the vertical direction but is rotated so that its lower end is attached to the frame (3). Yes.
[0014]
The frame (3) is a substantially rectangular parallelepiped frame body (5) that is long in the vertical direction, and a flange portion (6) that is integrally provided so as to project outward on the peripheral surface excluding the upper surface of the frame body (5). And more. The frame (3) has a frame main body (5) fitted into a recess formed in a surface (front surface) facing the inside of the closet at the upper end of the sliding door (S) of the closet, for example, and the flange (6 ) Is fixed to the sliding door (S) by screwing a screw or the like passing through the sliding door (S).
[0015]
The upper end portion of the frame body (5) has a substantially semi-circular shape in cross section, and a shaft insertion through hole (7) extending in the vertical direction is formed therein. A bottomed cylindrical hole (8) extending forward from the rear surface is formed in a lower portion of the frame body (5) than the portion (5a) having a substantially semi-elliptical cross section. A recess (9) that is recessed upward is formed in a portion of the bottomed cylindrical hole (8) other than the front end at the upper part of the inner peripheral surface. Most of the left and right side surfaces of the recess (9) are each a vertical surface, and the lower end of the vertical surface is an inclined surface inclined inward in the left-right direction downward. Further, a shallow recess (10) recessed downward is formed at the lower part of the inner peripheral surface of the bottomed cylindrical hole (8). These recesses (9) and (10) are opened on the rear surface of the frame body (5). A bottomed deformed hole (11) extending forward from the rear surface is formed in a portion of the frame body (5) below the bottomed cylindrical hole (8).
[0016]
The sliding door suspension shaft (4) is inserted into the through hole (7) of the frame body (5) so as to be movable up and down, and its lower end is formed with a bottomed cylindrical hole (8) and a bottomed deformed hole (11). Is inserted through a through hole (13) formed in the partition wall (12) between the two and movably up and down. Furthermore, protrusions (4a) each having a predetermined length in the vertical direction are integrally formed on the left and right side portions of the outer peripheral surface of the upper part of the sliding door suspension shaft (4), and these protrusions (4a) are formed through holes ( 7) is slidably fitted in a concave groove (7a) formed on the inner peripheral surface. Thus, the sliding door suspension shaft (4) is attached to the frame body (5) so as to move up and down without rotating with respect to the frame body (5). Moreover, the thread part (14) is formed in the intermediate part of the height of the sliding door suspension shaft (4). Note that a retaining ring (15) is fixed to the lower end of the sliding door suspension shaft (4) so that the ascending position of the sliding door suspension shaft (4) is regulated.
[0017]
A shaft moving nut (16) is screwed around the external thread portion (14) of the sliding door suspension shaft (4). The shaft moving nut (16) is fitted into an upper recess (9) formed in the inner peripheral surface of the bottomed cylindrical hole (8), whereby the shaft moving nut (16) is fitted to the frame body ( It does not move up and down with respect to 5) but rotates. A first bevel gear (17) is integrally formed on the lower end surface of the shaft moving nut (16) so as to be coaxial with the nut (16).
[0018]
A cylindrical nut rotating operation member (18) whose axis is directed in the front-rear direction is fitted into the front end of the bottomed cylindrical hole (8) of the frame body (5) so as to be rotatable around the axis. The nut rotating operation member (18) is supported rotatably with respect to the frame body (5) by the outer peripheral surface thereof being in sliding contact with the inner peripheral surface of the bottomed cylindrical hole (8). The second bevel gear (19) that meshes with the first bevel gear (17) of the shaft moving nut (16) is coaxial with the operation member (18) on the rear end surface of the nut rotating operation member (18). Are integrally formed. In addition, a slit (20) is formed on the front end surface of the nut rotating operation member (18), formed on the bottom wall portion of the bottomed cylindrical hole (8) in the frame body (5), and the nut rotating operation. It can be rotated from the front of the frame body (5) by a screwdriver or the like through a circular through hole (21) having a smaller diameter than the member (18).
[0019]
In the suspension device having the above-described configuration, when the tip end portion of the driver is fitted into the slit (20) through the through hole (21) from the front of the frame (3) and the nut rotating operation member (18) is rotated, The shaft moving nut (16) is rotated by the action of the two bevel gears (19) and (17). As a result, the sliding door suspension shaft (4) moves up and down relative to the shaft moving nut (16) and the frame body (5). As a result, the height of the runner (2) relative to the sliding door (S) is changed, whereby the height of the sliding door (S) relative to the hanger rail is adjusted.
[0020]
4 to 6 show another embodiment of the suspension vehicle device according to the present invention. 4 to 6, the same components and parts as those shown in FIGS.
[0021]
4 to 6, a plastic knob (25) for rotating the nut rotating operation member (18) is provided at the front end of the nut rotating operation member (18) in the front of the frame (3) as follows. It is fixed to protrude.
[0022]
On one diameter on the front end face of the nut rotating operation member (18), a protrusion (26) protruding forward is integrally formed. Both end surfaces in the longitudinal direction of the ridge (26) have an arc shape with the axis of the nut rotating operation member (18) as the center of curvature. The knob (25) is arranged along the front surface of the frame (3), and a cylindrical portion (27) protruding rearward and fitting into the circular through hole (21) is formed on the rear end surface of the boss portion (25a). The nut rotating operation member (18) is integrally formed so as to be positioned coaxially. On one diameter of the cylindrical portion (27), a concave groove (28) is formed extending from the rear end surface to the entire height of the cylindrical portion (27) and into which the protrusion (26) of the knob (25) is fitted. Then, the protrusion (26) of the nut rotating operation member (18) is fitted in the groove (28) of the knob (25), and the male screw penetrating from the rear through the center of the nut rotating operation member (18). The knob (25) is fixed to the nut rotating operation member (18) by being screwed into the screw hole (30) formed in the boss part (25a) of the knob (25).
[0023]
When the nut rotating operation member (18) is rotated by holding the knob (25) by hand and rotating it around its axis in the suspension vehicle having the above configuration, the two bevel gears (19) and (17) work. As a result, the shaft moving nut (16) is rotated. As a result, the sliding door suspension shaft (4) moves up and down relative to the shaft moving nut (16) and the frame body (5). As a result, the height of the runner (2) relative to the sliding door (S) is changed, whereby the height of the sliding door (S) relative to the hanger rail is adjusted. Further, the rotation of the knob (25) with respect to the nut rotating operation member (18) is prevented by the action of the ridge (26) and the concave groove (28), thereby preventing the loosening of the external thread (29).
[Brief description of the drawings]
FIG. 1 is a rear view showing an embodiment of a suspension vehicle device according to the present invention.
2 is a cross-sectional view taken along line II-II in FIG.
3 is a cross-sectional view taken along line III-III in FIG.
FIG. 4 is a front view showing another embodiment of the suspension vehicle device according to the present invention.
5 is a cross-sectional view taken along line VV in FIG.
6 is a cross-sectional view taken along line VI-VI in FIG.
[Explanation of symbols]
(1): Roller
(2): Lanna
(3): Frame
(4): Sliding door suspension shaft
(14): Male thread
(16): Shaft moving nut
(17): 1st bevel gear
(18): Operation member for nut rotation
(19): Second bevel gear
(25): Picking
(S): Sliding door

Claims (2)

A suspension system for an upper suspension type sliding door comprising a runner having a roller that rolls along a hanger rail, and a sliding door suspension shaft having an upper end attached to the runner and a lower end attached to the sliding door. The sliding door suspension shaft is attached to the fixed frame so that it does not rotate with respect to the frame but moves in the vertical direction. A thread is formed on the sliding door suspension shaft. A nut rotating operation member that is screwed on a shaft moving nut that is prevented from moving in the vertical direction with respect to the frame, and that is rotatable about an axis extending in the front-rear direction and rotated from the front of the frame. Is attached, and the rotation of the nut rotating operation member is blocked between the nut rotating operation member and the shaft moving nut. A transmission means is provided for converting the rotation of the nut for moving the frame, and the frame is integrally provided so as to project outward on a substantially rectangular parallelepiped frame main body that is long in the vertical direction and a peripheral surface excluding the upper surface of the frame main body. The frame body is inserted into a recess formed on the front surface of the upper end of the sliding door, and the screw that penetrates the flange is screwed into the sliding door to be fixed to the sliding door. A suspension apparatus for an upper suspension type sliding door, wherein a knob for rotating the nut rotating operation member is fixed to a front end portion of the nut rotating operation member so as to protrude forward of the frame . A first bevel gear fixedly provided on the lower end surface of the nut for moving the shaft and coaxially with the transmission means, and a rear end surface of the nut rotating operation member so as to be coaxial with the first bevel gear. And a second bevel gear that is fixedly attached to the first bevel gear and meshes with the first bevel gear, the frame body has a bottomed cylindrical hole extending forward from the rear surface, and an inner peripheral surface of the bottomed cylindrical hole A recess is formed in the upper portion of the upper portion except for the front end. A shaft moving nut is inserted into the recess, and a nut rotating operation member is inserted into the front end of the bottomed cylindrical hole. The suspension vehicle device of the upper suspension type sliding door according to claim 1 .

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