JP3011956U - Suspension car - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a suspension vehicle with a simple structure that can easily adjust the vertical position and prevent the screw shaft from rotating during use without using a nut for tightening or the like. . [Structure] The suspension vehicle 1 has a runner body 5 guided by a guide rail 2, a shaft member 6 having an upper end rotatably mounted on the runner body 5, and a lower portion of the shaft member 6 inserted therethrough. It has a male screw member 7 having a through hole 7a, a female screw portion 8 material screwed into the male screw member 7, and a mounting member 10 for fixing the female screw member 8 to an upper end portion of a door panel 9. There is. The male screw member 7 has an angular shaft portion 7b and a flange 7c for rotating the male screw member 7 at the upper end portion. An elastic concavo-convex portion 8a is formed on the inner periphery of the lower half of the female screw member 8 in the axial direction, and an engaging plate 6a that engages with the elastic concavo-convex portion 8a is provided at the lower end of the shaft member 6.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a hanging vehicle that is mounted on an upper portion of a door panel of a hanging door or a folding door and guides the door panel along a guide rail, and particularly, has a structure in which the vertical position of the door panel can be adjusted by a screw member. The suspension car provided.

[0002]

[Prior art]

 For hanging vehicles such as hanging doors and folding doors, in order to adjust the distance between the door panel and the upper guide rail and to correct the tilt of the door panel, install the runner body with the door wheel that rolls on the upper guide rail rotatably mounted. It is formed so that it can be vertically adjusted with respect to the door panel.

As such a suspension vehicle, for example, as described in Japanese Utility Model Laid-Open No. 5-882, a runner main body guided by an upper guide rail and a rotatably mounted runner main body. It is known to have a screw shaft, a female screw cylinder screwed to the screw shaft, and a mounting member for fixing the female screw cylinder to the upper end portion of the door panel.

[0004]

[Problems to be solved by the device]

 The suspension vehicle configured as described above adjusts the vertical position of the door panel by rotating the screw shaft to change the screwing amount into the female screw cylinder. Not only is the operation of moving the screw shaft cumbersome, but if it is left as it is, the screw shaft will rotate during use, causing the vertical position to shift. Therefore, it is necessary to fix the screw shaft by some means after adjusting the vertical position.

For this reason, conventionally, the screw shaft is provided with a nut for tightening to fix the screw shaft, but not only the number of parts is increased, but also the work for vertically adjusting the door panel is performed. It was troublesome not only to rotate the screw shaft but also to rotate the nut.

Therefore, the present invention provides a hoisting vehicle having a simple structure in which vertical position adjustment is easy, rotation of a screw shaft during use can be prevented without using a tightening nut or the like. It is an object.

[0007]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the suspension vehicle of the present invention includes a runner main body guided by guide rails, a shaft member having an upper end rotatably mounted on the runner main body, and a lower part of the shaft member. A suspension vehicle having a male screw member having a through hole for insertion, a female screw member screwed into the male screw member, and a mounting member for fixing the female screw member to an upper end portion of a door panel. An angular shaft portion for rotating the male screw member is provided at the upper end of the member, a flange is provided at the lower portion of the angular shaft portion, and the female screw member is elastic in the axial direction on the inner periphery of the lower half portion. An uneven portion is formed, and an engaging plate that engages with the elastic uneven portion is provided at the lower end of the shaft member.

[0008]

[Work]

 In the suspension vehicle having the above-described configuration, the flange protrudes from the lower portion of the square shaft portion provided on the upper end portion of the male screw member, so that a spanner or the like for rotating the male screw member can be easily engaged with the square shaft portion. It is possible to adjust the vertical position of the door panel easily. On the other hand, since the engaging plate provided on the lower end of the shaft member is engaged with the elastic uneven portion of the female screw member, the shaft member can be prevented from rotating during normal use.

Therefore, by integrally connecting the shaft member and the male screw member, the rotation of the male screw member together with the shaft member is prevented, so that the screwing amount of the male screw member, that is, the door. The vertical position of the panel can be securely fixed. In addition, when adjusting the upper and lower positions of the door panel, by rotating the screw shaft against the elastic force of the elastic concavo-convex portion of the female screw member and changing the screwing amount into the female screw member, You can adjust the vertical position of the door panel as well.

[0010]

【Example】

 Hereinafter, the present invention will be described in more detail based on an embodiment shown in the drawings. Each of the drawings shows an embodiment of the suspension vehicle of the present invention. Fig. 1 is a front view of the suspension vehicle, Fig. 2 is a side view of the same, Fig. 3 is a plan view of the same, and Fig. 4 is an exploded front view of essential parts. 5 is a bottom view of the female screw member, FIG. 6 is a front view of the male screw member, and FIG. 7 is a bottom view of the shaft member.

The suspension vehicle 1 according to the present embodiment includes a runner body 5 in which four door rollers 3, 3 rolling on a guide rail 2 are rotatably mounted on a shaft 4, and a central portion of the runner body 5. A shaft member 6 rotatably attached to the shaft member, a male screw member 7 having a through hole 7a for inserting a lower portion of the shaft member 6 in the axial direction, and a female screw member 8 screwed to the male screw member 7. , And a mounting member 10 for fixing the female screw member 8 to the upper end portion of the door panel 9.

The shaft member 6 is fixed to the male screw member 7 in a state of penetrating the through hole 7 a of the male screw member 7 and the runner body 5, and the upper end portion penetrating the runner body 5 in the vertical direction is It is rotatably connected to the runner body 5 by caulking or an appropriate snap ring. Further, an engaging plate 6a is fixed to the lower end of the shaft member 6 so as to engage with the elastic uneven portion 8a formed on the lower portion of the female screw member 8.

Further, the male screw member 7 has an angular shaft portion 7b for engaging a wrench on a head portion projecting from the upper surface of the female screw member 8, and the angular shaft portion 7b is provided below the angular shaft portion 7b. A larger diameter flange 7c is formed.

Further, the female screw member 8 has a flange portion 8b fixed to the mounting member 10 on an upper portion thereof, and the elastic uneven portion 8a provided on a lower half portion thereof. As shown in FIG. 5, the elastic uneven portion 8a is formed by a thin portion having a plurality of wavy small uneven portions on the inner circumference.

The engagement plate 6a is a disk-shaped member having a small unevenness corresponding to the small unevenness on the inner circumference of the elastic uneven portion 8a on the outer periphery thereof, and is integrally formed with the shaft member 6. It is fixed. The shaft member 6 is also fixed in the through hole 7a of the male screw member 7 by means such as serration coupling. When the square shaft portion 7b of the male screw member 7 is rotated with a spanner or the like, the male screw member 7 is rotated. The shaft member 6 and the engaging plate 6a are formed so as to rotate integrally with the shaft 7.

With this structure, during normal use, the engaging plate 6a of the shaft member 6 and the elastic concave-convex portion 8a of the female screw member 8 are engaged in a concave-convex manner. Even if the runner body 5 rotates with respect to the shaft member 6, the male screw member 7 can be prevented from rotating with respect to the female screw member 8, and the vertical position of the door panel 9 can be reliably held. be able to.

On the other hand, when the vertical position of the door panel 9 is adjusted, if a force is applied to the male screw member 7 in a predetermined direction by engaging a wrench or the like with the angular shaft portion 7b of the male screw member 7, elasticity is obtained. The concavo-convex portion 8a is elastically deformed to allow the engaging plate 6a to rotate, and the male screw member 7 can be rotated. Therefore, the amount of screwing of the male screw member 7 into the female screw member 8 can be adjusted appropriately. By doing so, the distance between the door panel 9 and the guide rail 2, that is, the vertical position of the door panel 9 can be adjusted.

Further, by providing the flange 7c adjacent to the angular shaft portion 7b, the spanner or the like being operated by the flange 7c is reliably held in a state of being engaged with the angular shaft portion 7b, and the spanner or the like is Since it can be prevented from coming off from the portion 7b, the turning operation of the male screw member 7, that is, the vertical position adjustment of the door panel 9 can be performed extremely easily.

The concave and convex states of the elastic concave and convex portion 8a and the engaging plate 6a are not limited to those in the above embodiment, and the numbers of concave and convex of both may be different. Further, the detailed shape can be designed to be an optimum shape according to the structure of the mounting portion.

[0020]

[Effect of device]

 As described above, in the hoisting vehicle of the present invention, since the flange is provided at the upper end of the male screw member for vertical position adjustment together with the angular shaft portion, the vertical position adjustment of the door panel using a spanner or the like can be easily performed. be able to. Further, since the shaft member that rotates together with the male screw member is provided with the engaging plate that engages with the elastic uneven portion provided on the female screw member, the male screw member rotates during normal use and the vertical position of the door panel is increased. It can be prevented from changing.

[Brief description of drawings]

FIG. 1 is a front view of a suspension vehicle showing an embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is an exploded front view of a main part.

FIG. 5 is a bottom view of the female screw member.

FIG. 6 is a front view of a male screw member.

FIG. 7 is a bottom view of the shaft member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Suspended vehicle 2 Guide rail 3 Door roller 4 Shaft 5 Runner body 6 Shaft member 6a ... Engaging plate 7 Male screw member 7a Through hole 7b Square shaft portion 7c Flange 8 Female screw member 8a Elastic uneven portion 8b Flange portion 9 Door panel 10 Mounting member

Claims (1)

[Scope of utility model registration request] 1. A runner main body guided to travel on a guide rail, a shaft member having an upper end rotatably mounted on the runner main body, and a male screw member having a through hole inserted through a lower portion of the shaft member. In a suspension vehicle having a female screw member that is screwed into the male screw member and a mounting member that fixes the female screw member to an upper end portion of a door panel, the male screw member is wound around the upper end portion of the male screw member. An angular shaft portion for dynamic operation is provided, a flange is provided at a lower portion of the angular shaft portion, and an elastic uneven portion is formed in an axial direction on an inner circumference of a lower half portion of the female screw member, and a lower end of the shaft member. A suspension vehicle, wherein an engaging plate that engages with the elastic uneven portion is provided on the portion.