JP4111608B2 - Suspension roller unit support device for hanging door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a support device for a suspension roller unit used for various types of hanging doors such as a folding door type and a sliding door type.
[0002]
[Prior art and its problems]
The suspension roller unit of the suspension door is detachably attached to the upper corner of the suspension door, but the height of the suspension roller relative to the suspension door can be adjusted, in other words, the suspension door suspension height can be adjusted. Such a conventional hanging roller unit is of a type that, as disclosed in, for example, Japanese Utility Model Laid-Open No. 2-20673, rotates a vertical screw shaft that supports the hanging roller to fasten a lock nut. The operation was very difficult.
[0003]
In addition, the one that can attach the suspension roller unit to the suspension door side by one touch is known, for example, from Japanese Patent Application Laid-Open No. 7-91134, but in this type of conventional suspension roller unit support device, When removing the attached suspending roller unit from the suspending door, the engaging piece for engaging the suspending roller unit with the casing on the suspending door side must be pushed down directly with a fingertip, which is also not easy.
[0004]
[Means for Solving the Problems]
The object of the present invention is to provide a suspension roller unit support device for a hanging door that can solve the conventional problems as described above. As shown, the suspension door 9 includes a recess 10 cut out at the upper corner, a casing 1 fitted and fixed in the recess 10, and a detachable suspension roller unit 2. Is composed of a main body 12 that is fitted in and disengaged only in the horizontal direction with respect to the casing 1 and a suspension roller 13 provided on the main body 12 so as to protrude upward from an upper end opening portion of the casing 1. The casing 1 is provided with hook-shaped body retaining locking grooves 7 and 8 that are cut from the side edge 3 a of the side wall 3, and the body 1 of the suspension roller unit 2. And a lifting body 15 which protrudes from the side surface thereof and has locking projections 19 and 20 which automatically engage with the locking grooves 7 and 8 for retaining the body of the casing 1 and which can be raised and lowered within a certain range, and the lifting body. A spring 16 for urging the lift 15 in the upward direction and an operation lever 17 for pressing and lowering the lifting body 15 by lever action are provided, and the suspension roller 13 of the suspension roller unit 2 is supported by the body 12 so as to be movable up and down. The lower end of the lifting rod 25 is attached to the upper end of the lifted rod 25, and the lower end of the lifting rod 25 is screwed into a screw shaft 28 that is supported on the main body 12 so as to be able to rotate only in parallel with the fitting / removal direction with respect to the casing 1. The operation lever 17 and the rotation operation portion 28a of the screw shaft 28 are closed and connected to each other through an oblique connection link 33. In hanging the roller unit support device door hanger that adapted to operate from the end face side of the body 12, the spring 16 is interposed between the screw shaft 28 and the lifting member 15, the screw shaft 28 is spring The structure is also used as a receiver .
[0005]
The elevating body 15 includes a vertical portion 15a having the locking projections 19 and 20 and a horizontal portion 15b extending outward from the lower end of the vertical portion 15a. The vertical portion includes a horizontal portion 17a that abuts on the horizontal portion 15b of the elevating body 15 and whose free end is pivotally supported, and a vertical portion 17b that extends upward from the outer end of the horizontal portion 17a. When the inner side of 17b abuts on the stopper portion 22 on the main body 12 side, the elevating body 15 biased by the spring 16 can be held at the ascending limit position.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings. Reference numeral 1 denotes a casing, and 2 denotes a suspension roller unit. The casing 1 is formed by bending a metal plate into a U shape to form left and right side wall portions 3 and a semicircular bottom portion 4, and folding a protruding plate portion protruding from the rear edge of the side wall portions 3 inward. The rear side wall part 5 is formed by bending and overlapping each other, and the main body locking projection strip 6 is bent inward from the upper end of the plate portion inside the rear side wall part 5 and the upper end of the left and right side wall parts 3. The side end edges 3a of the left and right side wall portions 3 are provided with hook-shaped body retaining locking grooves 7 and 8 in two upper and lower stages. The hook-shaped main body retaining grooves 7 and 8 are provided with introduction guide portions 7a and 8a inclined obliquely outward and upward on the upper side of the entrance, and the engaging portions 7b and 8b are continuously provided upward from the rear end. It has been done.
[0007]
A suspension roller unit mounting recess 10 is formed at the upper end corner of the suspension door 9 in parallel to the front and back surfaces of the suspension door 9 so as to open to the side end surface 9a and the upper end surface 9b. The casing 1 is fitted in the recess 10, and the semicircular bottom 4 of the casing 1 is fixed to the semicircular bottom surface of the recess 10 with two screws 11 a, and the rear end of the casing 10 is mounted on the rear end surface of the recess 10. The side wall portion 5 is fixed by a single screw 11b.
[0008]
The suspension roller unit 2 includes a main body 12 and a suspension roller 13. The main body 12 is inserted into the casing 1 from the side end open portion of the casing 1, and when the main body 12 is inserted into the casing 1 to the back end, the main body 12 engages with the inner side of the main body locking projection strip 6. The side of the recess 10 of the suspension door 9 is provided with an upper end surface 12a and a stepped surface 14a that contacts the side edges 3a of the side walls 3 of the casing 1 and the surface is flush with the side end surface 9a of the suspension door 9. And a flange portion 14 that closes the end opening portion.
[0009]
The main body 12 includes an elevating body 15, a spring 16, and an operation lever 17. The elevating body 15 protrudes from elevating guide grooves 18 formed on the left and right side surfaces of the main body 12 and is automatically engaged with the main body retaining locking grooves 7, 8 of the casing 1. 20 and a horizontal portion 15b extending horizontally from the lower end of the vertical portion 15a to the side end open portion side of the casing 1, and the spring 16 is the horizontal portion. 15b is pushed upward from the bottom. The operating lever 17 is located above the horizontal portion 15b of the elevating body 15 and has a horizontal portion 17a whose free end is pivotally attached to the support shaft 21, and a vertical extending upward from the free end of the horizontal portion 17a. When the inner surface near the upper end of the vertical portion 17b comes into contact with the stopper portion 22 formed on the main body 12 side, the outer surface of the vertical portion 17b is the flange of the main body 12. In this state, the elevating body 15 urged in the upward direction by the spring 16 is brought into contact with the horizontal portion 17a of the operating lever 17 and the horizontal portion 15b of the elevating body 15 in this state. By contact, it is held in the ascending limit position.
[0010]
The suspension roller 13 is attached to the upper end of an elevating rod 25 supported so as to be movable up and down in the vicinity of the rear end of the main body 12, and is supported by rollers 27 on both the left and right sides of the roller support member 26. is there. A screw shaft 28 parallel to the fitting / removing direction of the main body 12 with respect to the casing 1 is provided in the vicinity of the lower end of the main body 12. The screw shaft 28 has a rotation operation head 28a at one end and a shaft end 28b at the other end supported by the support portions 29a and 29b on the main body 12 side so as to allow only rotation. Both ends of an oblique connecting link 31 are pivotally attached to the female screw body 30 screwed to the shaft portion 28c and the lower end of the elevating rod 25 by pins 32 and 33, and the female screw body 30 is connected to the female screw body 30 via the connecting link 31. The elevating rod 25 is linked and connected. The rotation operation head 28 a of the screw shaft 28 can be rotated from the outside of the flange portion 14 of the main body 12.
[0011]
Note that both ends of the pin 32 that couples the connecting link 31 and the lifting rod 25 are loosely fitted in lifting guide grooves 34 formed on both side surfaces of the main body 12. Further, the lower end of the spring 16 urging the elevating body 15 in the upward direction is received by the screw shaft 28, and the screw shaft 28 also serves as a spring receiver.
[0012]
The attachment method of the suspension roller unit 2 will be described. As shown in FIG. 1, the body 12 of the suspension roller unit 2 is placed in the casing 1 that is fitted and fixed in the recess 10 of the suspension door 9. Insert horizontally from the opening. In this insertion process, the upper and lower two-stage locking protrusions 19 and 20 projecting from the lifting guide groove 18 of the main body 12 to the left and right sides are the introduction guide portions 7a and 8a of the main body retaining locking grooves 7 and 8 on the casing 1 side. By being pushed down by 8 a, the elevating body 15 descends against the urging force of the spring 16, and when the main body 12 reaches the rear end position in the casing 1, the locking projections 19, 20 are locked for retaining the main body. Reaching the locking portions 7b and 8b of the grooves 7 and 8, the elevating body 15 is raised to the ascending limit position by the urging force of the spring 16, and the locking projections 19 and 20 are used for retaining the main body as shown in FIG. The main body 12 is fixed to the casing 1 by fitting into the locking portions 7 b and 8 b of the stop grooves 7 and 8.
[0013]
Before the suspension roller unit 2 is attached to the suspension door 9, the suspension roller unit 2 is engaged in advance with a suspension door suspension guide rail 40 indicated by a virtual line in FIG. The suspension roller unit 2 in this state is internally fitted and fixed to the casing 1 housed in the upper end corner portion of the suspension door 9 as described above, so that the upper end corner portion of the suspension door 9 is the guide rail 40 for the suspension door suspension guide. It is suspended so as to be movable. At this time, the load on the suspension door 9 acting on the suspension roller unit 2 is received by the upper end surface 12 a of the main body 12 via the main body locking protrusion strip 6 formed around the upper end of the casing 1.
[0014]
When it is necessary to adjust the suspension height of the suspension door 9 suspended by the suspension roller unit 2, the surface of the flange portion 14 of the main body 12 on the side end face 9a side of the suspension door 9 as shown in FIG. The head 28a for rotating operation of the screw shaft 28 exposed (not protruding) is rotated forward and backward with a screwdriver or the like, and the screw shaft 28 shown in FIG. Let As a result, the lifting / lowering rod 25 is pushed up by the connecting link 31 and the space between the upper end of the suspension door 9 and the roller 27 is widened, and the suspension door 9 is lowered or the lifting / lowering rod 25 is lowered by the connecting link 31. The interval between the upper end of the suspension door 9 and the roller 27 is narrowed, and the suspension door 9 is raised. Since the load of the suspension door 9 acts in the direction of pulling the female screw body 30 in the axial direction of the screw shaft 28, the frictional force between the female screw body 30 and the screw shaft portion 28c, the rotation operation head 28a, and the main body The frictional force between the bearing portion 29a on the 12th side is large and the urging force of the spring 16 acts on the screw shaft 28. Therefore, there is a possibility that the screw shaft 28 rotates unexpectedly, that is, the suspension door 9 is suspended. There is no fear that the height will change unexpectedly.
[0015]
When removing the suspension roller unit 2 from the suspension door 9, as shown in FIG. 7, the operation lever 17 is rotated around the support shaft 21 so that the upper end of the vertical portion 17b is put on the fingertip and pulled down. Let As a result, the horizontal portion 17a of the operation lever 17 pushes down the horizontal portion 15b of the elevating body 15 against the urging force of the spring 16 by lever action, and the locking projections 19 on both the left and right sides of the elevating body 15 20 detaches downward from the locking portions 7b and 8b of the main body retaining locking grooves 7 and 8 on the casing 1 side. In this state, the main body 12 is moved horizontally from the casing 1 using the operation lever 17. Can be pulled outward.
[0016]
【The invention's effect】
According to the suspension roller unit support device for a hanging door of the present invention that can be implemented as described above, if the casing is fitted and fixed in a recess formed in the upper corner of the suspension door, the suspension roller unit The suspension roller unit can be attached to the upper end corner of the suspension door by a one-touch operation that only fits the main body of the main body to the casing in the horizontal direction. Also, the suspension roller unit can be removed simply by operating the operation lever of the main body and pushing down the lifting body in the body by lever action, so that the lifting roller unit can be pulled out from the casing. Compared to pressing down, the operation is light and easy.
[0017]
That is, the attachment and removal of the suspending roller unit can be performed very easily and easily, but according to the device of the present invention, the rotation operation part of the screw shaft can be rotated with an appropriate tool from the side end surface of the suspension door, By changing the distance between the suspension door and the suspension roller, the suspension height of the suspension door can be freely adjusted. Moreover, the screw shaft is in a direction orthogonal to the lifting rod that supports the suspension roller, and the female screw body screwed to the screw shaft and the lifting rod are interlocked and connected by an oblique connecting link. Therefore, not only the direction of the screw shaft is convenient for the rotation operation, but also the possibility that the screw shaft rotates due to vibration etc. and the hanging height of the hanging door fluctuates unexpectedly is reduced. In particular, it is not necessary to use a lock nut for locking the screw shaft, and the operability is improved in this respect as well.
[0018]
Furthermore , according to the configuration of the present invention , the urging force of the spring that urges the elevating body in the upward direction acts as a braking means for the screw shaft, thereby further reliably preventing the screw shaft from rotating unexpectedly. Can do.
[0019]
Moreover, according to the structure of Claim 2 , although the operation lever for pushing down a raising / lowering body by lever action is provided separately, the raising / lowering body will be received in a raise limit position by the said operation lever, The operation lever is not rattled due to vibrations and the like, and unnecessary noise is not generated.
[Brief description of the drawings]
FIG. 1 is a longitudinal side view showing a state where a casing is attached and a side view of a suspension roller unit.
FIG. 2 is a partially longitudinal side view showing a mounting state of the suspension roller unit.
FIG. 3 is a front view showing an upper end portion of a hanging door to which a hanging roller unit is attached.
FIG. 4 is an enlarged vertical side view of FIG. 2;
FIG. 5 is a cross-sectional view taken along line AA in FIG.
6 is a cross-sectional view taken along line BB in FIG.
FIG. 7 is a partially longitudinal side view showing an operation state when the suspension roller unit is removed.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Casing 2 Suspension roller unit 3 Both-side wall part 3a of casing Side edge 9 of both-side wall part of a casing 9 Suspension door 10 Recessed part 12 Main body 13 of a suspension roller unit Suspension roller 7, 8 Elevator 15a Elevator vertical section 15b Elevator horizontal section 16 Spring 17 Operation lever 17a Operation lever horizontal section 17b Operation lever vertical sections 19, 20 Locking protrusion 22 Stopper section 25 on the main body side with respect to the operation lever Elevator rod 28 Screw shaft 28a Rotating operation head 30 of screw shaft Female screw body 33 Link

Claims (3)

A concave portion formed by cutting out the upper end corner of the suspension door, a casing fitted and fixed in the concave portion, and a detachable suspension roller unit, the suspension roller unit being in a horizontal direction with respect to the casing And a suspension roller provided on the main body so as to protrude upward from an upper end open portion of the casing, and the casing has a side edge of the side wall portion thereof. A hook-shaped main body retaining locking groove formed by cutting from the side is provided, and the main body of the suspension roller unit protrudes from the side surface and automatically engages with the main body retaining locking groove of the casing. An elevating body with a protrusion that can move up and down within a certain range, a spring that urges the elevating body in the upward direction, and an operation lever that presses and lowers the elevating body by lever action are provided. The suspension roller of the suspension roller unit is attached to an upper end of an elevating rod supported by the main body so as to be movable up and down. The main body is interlocked and connected to an internal thread body that is screwed to a screw shaft supported by a slanting link, and the operation lever and the rotation operation portion of the screw shaft close a side end opening portion of the casing. In the hanging roller unit supporting device for a hanging door that can be operated from the end face side of the door, the spring is interposed between the lifting body and the screw shaft, and the screw shaft also serves as a spring receiver. , Suspension roller unit support device for hanging doors. The elevating body includes a vertical portion provided with the locking protrusion and a horizontal portion extending outward from a lower end of the vertical portion, and the operation lever is in a horizontal contact with the horizontal portion of the elevating body. And a vertical portion extending upward from the outer end thereof, and the free end of the horizontal portion is pivotally supported, and the inside of the vertical portion abuts against the stopper portion on the main body side, thereby The suspension roller unit support device for a hanging door according to claim 1, wherein the lifting body urged in step (a) is held at a rising limit position . A concave portion formed by cutting out the upper end corner of the suspension door, a casing fitted and fixed in the concave portion, and a detachable suspension roller unit, the suspension roller unit being in a horizontal direction with respect to the casing And a suspension roller provided on the main body so as to protrude upward from an upper end open portion of the casing, and the casing has a side edge of the side wall portion thereof. A hook-shaped main body retaining locking groove formed by cutting from the side is provided, and the main body of the suspension roller unit protrudes from the side surface and automatically engages with the main body retaining locking groove of the casing. An elevating body with a protrusion that can move up and down within a certain range, a spring that urges the elevating body in the upward direction, and an operation lever that presses and lowers the elevating body by lever action are provided. The suspension roller of the suspension roller unit is attached to an upper end of an elevating rod supported by the main body so as to be movable up and down. The main body is interlocked and connected to an internal thread body that is screwed to a screw shaft supported by a slanting link, and the operation lever and the rotation operation portion of the screw shaft close a side end opening portion of the casing. In the hanging roller hanging roller unit support device that can be operated from the end surface side of the sliding door, the elevating body includes a vertical portion having the locking protrusion and a horizontal portion extending outward from a lower end of the vertical portion. The operating lever is composed of a horizontal portion that contacts the horizontal portion of the lifting body and a vertical portion that extends upward from the outer end thereof, and the free end of the horizontal portion is pivotally supported. When Moni, by inner vertical part comes into contact with the stopper portion of the main body, and to hold the lifting member which is biased by a spring in the raised limit position, hanging door hanging roller unit support device.

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