JPH0630043Y2 - Stanchion - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a strut which is attached by being stretched between two opposing wall surfaces and which can be used for various purposes such as a strut for hanging clothes, a curtain rail, and a clothesline.

[0002]

2. Description of the Related Art Conventionally, as a pillar of this type, the actual boss 56
As described in Japanese Patent Publication No. 878, the outer cylinder, the inner cylinder insertable into the outer cylinder, the outer cylinder and the inner cylinder are inserted, and one end is fixed inside one end of the outer cylinder. A coil spring, a shaft fixed in the inner cylinder so as to bridge in a diametrical direction, and a shaft engaging along the spiral of the coil spring;
There is a structure including an outer cylinder and an inner tube, and an elastic cap fitted to the outer ends of the inner cylinder. In this strut, by rotating the inner cylinder with respect to the outer cylinder, the shaft slides on the spiral surface of the coil spring so that the inner cylinder can be retracted and retracted, and the overall length can be freely changed, and the outer cylinder and the inner cylinder can be freely changed. By pressing each other inwardly, the repulsive force of the coil spring can be stretched between the opposing wall surfaces for mounting.

[0003]

However, the drawback of the above-mentioned support is that the repulsive force of the coil spring changes depending on the difference in the total length. In other words, when the inner cylinder is made to project longer than the outer cylinder and the overall length is adjusted to be longer, the effective spring length of the coil spring becomes longer and the repulsive force becomes weaker. If the length is shortened and the total length is adjusted to be short, the effective spring length of the coil spring is shortened, and the repulsive force is increased.

In order to solve such a problem, the spring constant on the fixed end side of the coil spring is made small and the spring constant on the free end side is made large so that the fluctuation of the repulsive force of the coil spring due to the difference in the total length is made small. There is also a proposal (Japanese Utility Model Publication No. 62-12892). However, in this case, since the guide portion provided on the inner cylinder moves only along the free end side of the coil spring having a large spring constant and cannot move to the fixed end side, the total length of the coil spring becomes long, There were drawbacks that increased weight and cost. Therefore, an object of the present invention is to provide a strut that eliminates the fluctuation of the repulsive force of the coil spring due to the difference in the total length, can adjust the tension force freely, and can shorten the coil spring.

[0005]

In order to achieve the above object, a first invention is an outer cylinder and an inner cylinder in which an inner end is slidably inserted into an inner end of the outer cylinder. A fixture provided at the inner end of the outer cylinder to fix the outer cylinder and the inner cylinder at an arbitrary position, and a movable cylinder slidably inserted in the outer end of the outer cylinder or the inner cylinder. A coil spring having one end fixed to the inside of the movable cylinder and the other end inserted into the outer end of the outer cylinder or the inner cylinder, and the coil spring provided at the outer end of the outer cylinder or the inner cylinder. And a guide portion that engages along a spiral. In order to achieve the same object, a second invention is to provide an outer cylinder, an inner cylinder in which the inner end is slidably inserted with respect to an inner end of the outer cylinder, and an inner cylinder of the outer cylinder. A fixing tool for fixing the outer cylinder and the inner cylinder at arbitrary positions, a movable cylinder slidably inserted into the outer end of the outer cylinder or the inner cylinder, and one end of the outer cylinder or the inner cylinder. Fastened in the outer edge,
The other end is provided with a coil spring inserted into the inside of the movable cylinder, and a guide portion provided at the tip of the movable cylinder and engaged along the spiral of the coil spring.

[0006]

In the present invention, in order to adjust the total length, the fixing tool is loosened, the outer cylinder and the inner cylinder are slid relative to each other, and the fixing tool is tightened at a position of a predetermined length to fix the inner and outer cylinders. Next,
In order to adjust the tension force, the movable cylinder is rotated with respect to the outer cylinder or the inner cylinder, and the protrusion length of the movable cylinder with respect to the outer cylinder or the inner cylinder is adjusted to adjust the spring constant of the coil spring.
For example, the spring constant is small when the movable cylinder is projected from the outer cylinder or the inner cylinder for a long time, and is large when the movable cylinder is projected short. In this way, the columns can be attached between the opposing wall surfaces with an appropriate tension force.

In the first invention, the movable cylinder is slidably inserted into the outer end portion of the outer cylinder or the inner cylinder. However, as in the second invention, the movable cylinder is outside the outer cylinder or the inner cylinder. The same function can be achieved by slidably inserting the end portion. In this case, in the first device, one end of the coil spring needs to be fixed to the movable cylinder and the guide portion needs to be provided at the outer end of the outer cylinder or the inner cylinder. First, it is necessary to fix one end of the coil spring to the outer end portion of the outer cylinder or the inner cylinder and to provide the guide portion on the movable cylinder. The movable cylinder is slidably inserted into one outer end of the outer cylinder or the inner cylinder, and may be a cylinder shorter than the inner cylinder and the outer cylinder. Accordingly, the coil spring may be as short as the movable cylinder. As the fixing tool, for example, a fixing screw that is attached to the inner end portion of the outer cylinder and has its tip portion crimped to the outer peripheral surface of the inner cylinder, or a plurality of support holes formed in the inner cylinder at regular intervals in the axial direction are fitted. A pin or the like can be used. As the guide part, a guide piece formed by cutting and raising a part of the inner cylinder, the outer cylinder or the movable cylinder inward, or a guide fixed in the inner cylinder, the outer cylinder or the movable cylinder in a diametrical direction. It may be an axis.

[0008]

1 and 2 show an example in which a pillar A according to the present invention is used as a clothes rack. The column A has an outer cylinder 1 and an inner cylinder 2, and the lower end (inner end) of the inner cylinder 2 is slidably inserted into the upper end (inner end) of the outer cylinder 1. A resin cap 3 is fitted and fixed to the lower end (outer end) of the outer cylinder 1, and a cushion rubber 4 is adhered to the back surface of the cap 3.

A resin sleeve 5 for slidably guiding the inner cylinder 2 is fitted and fixed to the upper end of the outer cylinder 1, and a metal nut 6 is integrally formed on the sleeve 5 by insert molding or the like. It is fixed to. The nut 6 has a resin handle 7
A fixing screw 7 having a is screwed, and the tip of the fixing screw 7 bites into the inner cylinder 2 to fix the inner and outer cylinders 1 and 2 to each other.

The outer cylinder 1 is attached to the upper end (outer end) of the inner cylinder 2.
A movable cylinder 10 having a diameter substantially the same as that of is externally inserted. Movable tube 10
A resin sleeve 11 that is slidable on the outer peripheral surface of the inner cylinder 2 is fitted to the lower end portion of the inner cylinder 2 and the resin cap 1 is attached to the upper end portion.
2 is fitted and fixed. In addition, 13 is a cushion rubber adhered to the back surface of the cap 12. The movable cylinder 1
The coil spring 14 is inserted from the inside of 0 to the inside of the upper end of the inner cylinder 2.
The upper end portion of is fixed to a support shaft 15 which is fixed to the upper end portion of the movable barrel 10 by being bridged in the diameter direction. The support shaft 15
Both ends of are covered with the cap 12 and are not exposed to the outside. A guide piece 2a is provided at the upper end of the inner cylinder 2 toward the inside.
Are integrally cut and raised, and the guide piece 2a is slidably engaged with the spiral of the coil spring 14. Therefore, when the inner cylinder 2 is relatively rotated with respect to the movable cylinder 10, the guide piece 2a moves along the spiral of the coil spring 14, and the effective spring length l of the coil spring 14 can be changed.

A plurality of resin elbows 20 are slidably inserted into the outer circumference of the outer cylinder 1 and the outer circumference of the inner cylinder 2.
A metal nut 21 is inserted into the side portion of the elbow 20 from below. A fixing screw 22 having a resin grip 22a is screwed onto the nut 21, and the tip of the fixing screw 22 is crimped to the outer peripheral surface of the outer cylinder 1 or the inner cylinder 2,
The elbow 20 can be fixed in any position and in any direction. A cylindrical tubular portion 20a is integrally formed on a side portion of the elbow 20 opposite to the side portion to which the nut 21 is fixed, and one end portion of the clothes hanger pipe 23 is fitted into the tubular portion 20a. It is fixed. A resin cap 24 is fitted and fixed to the other end of the hanger pipe 23.

Next, a method of installing the column A between the upper and lower wall surfaces W ₁ and W ₂ will be described. First, the fixing screw 7 is loosened and the inner cylinder 2 is slid with respect to the outer cylinder 1 so that the overall length L of the column A is substantially equal to the distance between the upper and lower wall surfaces W ₁ and W ₂ , and then the fixing screw 7 is tightened. The inner and outer cylinders 1 and 2 are fixed to each other. Next, the movable cylinder 10 is rotated to adjust the protruding length from the inner cylinder 2, and the spring constant of the coil spring 14 is adjusted. Then, while the upper surface of the cap 12 of the movable cylinder 10 is in contact with the upper wall surface W ₁ , the entire column A is pushed upward and the coil spring 14 is compressed, while the cap 3 at the lower end of the outer cylinder 1 is moved to the lower wall surface W 1. _By contacting ₂ and releasing the pushing force,
Complete the installation.

As described above, the pillar A is attached to the upper and lower wall surfaces W ₁ , W ₂
When installed in between, the strength of the ceiling, which is the upper wall surface W ₁ , is often not sufficient, and if it is bulged with too much force, the ceiling may be dented or warped. On the other hand, since the strut A of the present invention can adjust the effective spring length l of the coil spring 14 by rotating the movable cylinder 10, the tension force can be freely adjusted regardless of the total length, and the strength can be adjusted according to the strength of the ceiling. The strut A can be attached with a strong tension.

Further, the movable cylinder 10 is not limited to the one externally fitted to the outer end of the inner cylinder 2, but may be externally fitted to the outer end of the outer cylinder 1. However, in the latter case, since the movable cylinder 10 has to be configured with a pipe thicker than the outer cylinder 1, there is a disadvantage that the outer diameter becomes large and the pipe material cannot be shared with the outer cylinder 1, and the former case is more preferable. desirable. In the above-described embodiment, one end of the coil spring 14 is attached to the movable cylinder 1 by the support shaft 15.
Although it is fixed to 0, the invention is not limited to this, and the coil spring 14 may be fixed by, for example, caulking a part of the movable cylinder 10.

FIG. 3 shows another embodiment of the present invention. In this embodiment, the movable cylinder 31 is slidably inserted in the upper end (outer end) of the inner cylinder 30, and the outer peripheral surface of the movable cylinder 31 is slidable in the upper end of the inner cylinder 30. A resin sleeve 32 is fitted. A resin cap 33 is fitted and fixed to the upper end of the movable cylinder 31, and the cushion rubber 3 is attached to the back surface thereof.
4 is glued. One end of a coil spring 36 is fixedly attached to a support shaft 35 which is laid across the inside of the inner cylinder 30 in a diametrical direction and fixed, and the other end of the coil spring 36 is inserted into the inside of the movable cylinder 31. A guide piece 31a is integrally formed on the lower end of the movable barrel 31 toward the inside, and the guide piece 31a is slidably engaged with the spiral of the coil spring 36. Therefore, when the movable cylinder 31 is rotated relative to the inner cylinder 30, the guide piece 31a moves along the spiral of the coil spring 36, and the effective spring length l of the coil spring 36 can be changed.
Although the movable cylinder 31 is inserted in the inner cylinder 30 in this embodiment, it goes without saying that the movable cylinder 31 may be inserted in the outer cylinder (not shown). In this case, a pipe having the same diameter as the inner cylinder 30 can be used as the movable cylinder 31.

It is needless to say that the present invention is not limited to clothes-supporting stanchions, and for example, the stanchions A of the present invention may be arranged horizontally and used for clothes poles, towel racks, curtain rail stanchions and the like. Good. Further, although the elbow 20 is inserted and fixed to the support column A, any thing such as a hook may be attached instead of the elbow.

[0017]

EFFECTS OF THE INVENTION As is clear from the above description, the column of the present invention is such that the inner cylinder and the outer cylinder are slidable and can be fixed at any position by the fixing tool. The total length can be adjusted regardless. Therefore, the repulsive force of the coil spring does not fluctuate depending on the entire length, and by rotating the movable cylinder, the repulsive force can be freely adjusted according to the strength of the opposing wall surface and the supported object. Further, since it is not necessary for the coil spring to have a function of adjusting the total length, a short coil spring can be used, and weight reduction and cost reduction can be achieved. Furthermore, in the past, there was a limit to the total length that can be adjusted due to the length of the coil spring, but in the present invention the total length can be adjusted regardless of the length of the coil spring, so it can be easily installed on a facing wall with a considerable distance. There is a feature that you can do it.

[Brief description of drawings]

FIG. 1 is a front view of an example in which a pillar according to the present invention is used for hanging clothes.

FIG. 2 is an enlarged sectional view of a main part of FIG.

FIG. 3 is a cross-sectional view of an essential part of another embodiment of the present invention.

[Explanation of symbols]

 A support 1 outer cylinder 2 inner cylinder 2a guide piece 7 fixing screw 10 movable cylinder 14 coil spring 15 support shaft 30 inner cylinder 31 movable cylinder 31a guide piece 35 support shaft 36 coil spring

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location F16B 7/10 7366-3J 9/02 E F16F 1/12 B 8917-3J

Claims (2)

[Scope of utility model registration request] 1. An outer cylinder, an inner cylinder in which the inner end is slidably inserted with respect to the inner end of the outer cylinder, and an inner cylinder provided at the inner end of the outer cylinder. A fixture that fixes at any position,
A movable cylinder slidably inserted into the outer end of the outer cylinder or the inner cylinder, and one end fixed to the inside of the movable cylinder and the other end inserted into the outer end of the outer cylinder or the inner cylinder. And a guide portion that is provided at an outer end portion of the outer cylinder or the inner cylinder and that engages along the spiral of the coil spring. 2. An outer cylinder, an inner cylinder in which the inner end is slidably inserted with respect to the inner end of the outer cylinder, and an inner cylinder provided at the inner end of the outer cylinder. A fixture that fixes at any position,
A movable cylinder slidably inserted into the outer end of the outer cylinder or the inner cylinder, and one end fixed to the outer end of the outer cylinder or the inner cylinder and the other end inserted into the movable cylinder. A pillar comprising: a coil spring; and a guide portion that is provided at a tip portion of the movable cylinder and that engages along a spiral of the coil spring.