JP2012092853A - Leg stopper for article supporting leg - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leg stopper for an article supporting leg in which a bolt is erected on a stage, a male thread portion of the bolt is engaged with a bolt screwing portion of an article to be supported, so that the stage is arranged on an article supporting base, thus the article is supported on the base (floor or the like), and a bolt revolver engagement part is provided to a bolt portion that adjoins the stage.SOLUTION: A leg stopper 2 includes a forked part 21 that can be externally fitted to an engagement part 13 in a detachable manner, a fixing part 22 that is fixed to a base, and an intermediate part 23. A bending band-like leaf spring 24 is arranged at the forked part 21 which extends along the inner surface of a forked part body 210 and connected to the body 210. The spring 24 is elastically deformed when the forked part 21 is externally fitted to a revolver engagement part 13, to sandwitch the revolver engagement part 13. Thus, the forked part 21 is engaged with the revolver engagement part 13 of the article supporting leg, under such condition as looseness is suppressed. The article supporting leg is stabilized at the specified position of a base, and accidental rotation of the engagement part 13 is surely prevented. Thus an article can be stably supported by the article supporting leg.

Description

  The present invention supports machine tools, various machines such as conveyors, various furniture such as lockers and shelves for storing books and documents, various articles such as various display devices, televisions, audio devices, and other electrical and electronic devices. A leg fixing tool, in particular, a bolt formed with a male screw is erected on a bolt base so as to be freely rotatable, and the male screw portion of the bolt is screwed into a bolt screwing portion of a supported article. Adjusting the amount of protrusion of the bolt from the base and arranging the bolt pedestal on an article support base (a floor of a building on which the article is placed, a floor of a factory, etc.) to support the article on the article support base In particular, the present invention relates to a leg stopper for an article support leg in which a bolt turning tool engaging portion is formed at a portion adjacent to the bolt base of the bolt.

  An example of this type of article support leg is shown in FIG. The article support leg 1 shown in FIG. 4 includes a bolt 11 having a male threaded portion 111 and a bolt base 12 on which the bolt 11 is rotatably erected. A portion adjacent to the bolt pedestal 12 of the bolt 11 (in the illustrated example, a bolt turning tool engaging portion 13 is provided in a portion immediately above the bolt pedestal 12.

  The bolt turning tool engaging portion 13 may be retrofitted to the bolt 11, but is formed integrally with the bolt 11 in the illustrated example and has a hexagonal planar shape. A bolt wrench such as a hexagonal bolt head or a hexagonal nut having side surfaces parallel to each other on the side peripheral surface, which can be rotated and operated, and a so-called monkey wrench that can adjust the distance between jaws for gripping the object to be rotated. A tool (not shown) can be operated by turning the bolt 11 by engaging the tool (not shown) with the bolt turning tool engaging portion 13.

  In this example, the bolt pedestal 12 has a circular shape when viewed from the plane, and has a shape and structure as if the heel is turned down. In this example, the bolt 11 protrudes slightly below the bolt turning tool engaging portion 13, and the protruding portion 112 passes through the top through hole 121 of the bolt base 12 and protrudes into the lower surface side recess 122 of the base 12. Yes.

  Since the retaining member 14 is attached to the protruding portion 112, the bolt 11 is retained from the pedestal 12. The retaining member 14 is a hexagonal nut screwed to the protruding portion 112 in the illustrated example, but other retaining members, for example, a so-called C-shaped snap ring, other than a hexagonal nut screwed to the protruding portion 112 are used. It may be a member.

  As illustrated in FIG. 4, the article support leg 1 is configured such that a male screw portion 111 of a bolt 11 is screwed into a bolt screwing portion 31 provided on the supported article 3, and a bolt protrusion amount from the bolt screwing portion 31. And adjusting the height of the article 3 on the article support base 4 by supporting the bolt pedestal 12 on the article support base 4 (the floor of a building on which the article is placed, the floor of a factory, etc.). be able to. The bolt 11 can be rotated by engaging a bolt driver such as a spanner wrench (not shown) with the bolt driver engaging portion 13 as necessary.

Article support legs of the kind described above are described in, for example, Japanese Patent No. 3035474 and Japanese Patent No. 3129905.
In the article support legs described in these patent publications, a thrust bearing is fitted between the bolt driver engaging portion and the bolt base.

  According to the article support leg 1 described above, the bolt pedestal 12 is merely disposed on the article support base 4, so it is not necessarily said that the position is stable. For example, when another article is transported near the article 3, it may cause a position shift due to a collision, or when the operation of the article 3 involves vibration, the position may be shifted due to the vibration. is there.

  Therefore, a leg stopper for an article support leg as exemplified in FIGS. 4 and 5 has been proposed and put into practical use.

  The leg stopper 2 ′ shown in FIGS. 4 and 5 includes a bifurcated portion 21 ′ that can be detachably fitted to the bolt driver engaging portion 13 and a fixing portion 22 to be fixed to the article support base 4. And an intermediate portion 23 ′ formed integrally with the bifurcated portion 21 ′ and the fixed portion 22 ′ across the bifurcated portion 21 ′ and the fixed portion 22 ′.

  The bifurcated portion 21 ′ is formed by a pair of surfaces 211 ′ and 212 ′ whose inner side surfaces are parallel to each other, and an arcuate rear side surface 213 ′ that connects them, as viewed from the plane.

  As shown in FIG. 4, the article support leg 1 supporting the article 3 to be supported at a fixed position on the article support base 4 has the bifurcated portion 21 ′ of the leg stopper 2 ′ outside the bolt driver engaging portion 13. On the other hand, the fixing portion 22 ′ of the leg stopper 2 ′ is fixed to the base body 4 with the anchor bolt 5 passed through the hole 22h ′, so that it is stably fixed at the fixed position and the bolt driver. The unexpected rotation of the engaging portion 13 is prevented, and the article 3 can be supported stably as much.

Japanese Patent No. 3035474 Japanese Patent No. 31299905

  In order to facilitate the operation of fitting the bifurcated portion 21 ′ into the bolt driver engaging portion 13 of the article support leg 1, the conventional type of leg stopper 2 ′ described above is, for example, a bolt driver engaging portion 13. 4 and 5, when the bifurcated portion 21 ′ has parallel surface portions 131 and 131 (see FIG. 4) that can be fitted and engaged, the bifurcated portion 21 ′ An interval A between the opposed parallel surfaces 211 ′ and 212 ′ is slightly larger than an interval d between the parallel surface portions 131 and 131 of the engaging portion 13. For example, when the distance d is 24 mm, the distance A is about 24.5 mm to 25 mm.

  Therefore, there is a gap between the bifurcated portion 21 ′ of the leg stopper 2 ′ and the bolt driver engaging portion 13 of the article support leg 1, which may cause the bifurcated portion 21 ′ to rattle with respect to the engaging portion 13. There is. However, it is preferable to suppress such rattling and stabilize the article support leg 1 in a more fixed position.

Therefore, in the present invention, a bolt in which a male screw is formed is erected on a bolt base so as to be rotatable. The male screw portion of the bolt is screwed into a bolt screwing portion of a supported article, and the bolt from the bolt screwing portion is The article can be supported on the article support base by adjusting the protrusion amount and the bolt pedestal is arranged on the article support base, and the bolt is engaged with the bolt adjacent to the bolt pedestal. A leg stopper for an article support leg provided with a part, a bifurcated part that can be detachably fitted to the bolt driver engaging part, and a fixing part to be fixed to the article support base A leg stopper including an intermediate portion formed integrally with the bifurcated portion and the fixing portion across the bifurcated portion and the fixing portion, and providing a leg stopper having the following advantages: Let it be an issue.
That is, as compared with the conventional leg stopper of the same type, the bifurcated portion can be fitted into the bolt turner engaging portion of the article support leg in a state in which rattling is suppressed, whereby the article support leg is fixed to the article support base. A leg that can be stabilized in position and that can prevent unforeseen rotation of the bolt-rotating tool engaging portion more reliably, and can thereby stably support the supported article on the article support leg as a whole. It is a stop.

In order to solve the above problems, the present invention provides:
A bolt in which a male screw is formed is rotatably erected on the bolt base, and the male screw portion of the bolt is screwed into a bolt screwing portion of a supported article to adjust the amount of protrusion of the bolt from the bolt screwing portion. In addition, the article can be supported on the article support base by disposing the bolt base on the article support base, and a bolt driver engaging portion is provided at a site adjacent to the bolt base of the bolt. A leg stopper for an article support leg, a bifurcated part that can be detachably fitted to the bolt driver engaging part, a fixing part to be fixed to the article support base, the bifurcated part, and the bifurcated part A leg stopper that includes the bifurcated portion and an intermediate portion formed integrally with the fixed portion, the bifurcated portion extending along the inner surface of the bifurcated main body. From one part to the back of the bifurcated body, And further includes a bent belt spring extending from the back to the other portion of the bifurcated main body and coupled to the bifurcated main body, the bent belt spring supporting the bifurcated portion with the article It is elastically deformed by being externally fitted to the bolt turning tool engaging portion of the leg, and the bolt turning tool engaging portion is formed by a portion along one portion and a portion along the other portion of the bifurcated body. Provided is a leg stopper for an article support leg that is a spring that can be clamped with an elastic restoring force.

  According to the leg stopper according to the present invention, as in the conventional leg stopper, for example, as shown in FIG. 4, the article supporting leg that supports the article to be supported at a fixed position of the article supporting base (floor or the like). The bifurcated portion of the leg stopper can be externally engaged with the bolt turning tool engaging portion, and the fixing portion of the leg stopper can be fixed to the article support base with an anchor bolt passed through the anchor bolt through hole.

  However, according to the leg stopper according to the present invention, since the bent belt spring is disposed along the inner surface of the bifurcated body, the bifurcated portion is attached to the bolt driver engaging portion of the article support leg. When the engagement is engaged, the bent belt spring is deformed against its elasticity to be externally engaged, and in a state where the bifurcated portion is externally engaged with the bolt turner engaging portion, it is elastic. The bolt turner engaging portion is firmly clamped by the leaf spring elastic restoring force between the portion along one portion of the bifurcated body of the bent belt-shaped leaf spring and the portion along the other portion.

  As described above, the leg stopper according to the present invention is compared with a conventional leg stopper of the same type in a state in which rattling of the forked portion is suppressed by the bent belt spring disposed along the inner surface of the forked portion main body. It can be firmly fitted and engaged with the bolt support engaging portion of the article support leg, thereby stabilizing the article support leg at a fixed position of the article support base as compared with the conventional leg stopper and the bolt driver. The unexpected rotation of the tool engaging portion can be more reliably prevented, and the article to be supported can be stably supported by the article support leg as a whole.

  The bent belt springs are connected so as not to come off from the bifurcated body, but examples include connecting at least one place, more preferably two places, and more preferably three places.

  As an example in the case of connecting to the bifurcated main body at two locations, the bent belt-like leaf spring includes a portion that wraps around the outer end surface of each of the one portion and the other portion of the bifurcated main body, The case where the part which went around is connected with a bifurcated part main body by a total of two places by connecting with the front-end | tip outer surface of this bifurcated main part can be mentioned.

  As an example of the case where the bent belt spring is connected to the bifurcated body at three positions in order to arrange the bent belt spring more stably with respect to the bifurcated body, the bent belt spring is connected to the one part and the other of the bifurcated body. Each part includes a part that wraps around the outer surface of the tip, and the part that wraps around is connected to the outer surface of the tip of the bifurcated body and the part facing the inner part of the bifurcated body is connected to the inner part. By doing so, the case where it is connected to the bifurcated body at three places in total can be mentioned.

As explained above, according to the present invention,
A bolt in which a male screw is formed is rotatably erected on the bolt base, and the male screw portion of the bolt is screwed into a bolt screwing portion of a supported article to adjust the amount of protrusion of the bolt from the bolt screwing portion. In addition, the bolt pedestal is disposed on the article support base so that the article can be supported on the article support base, and a bolt driver engaging portion is provided at a site adjacent to the bolt pedestal of the bolt. A leg stopper for an article supporting leg, and a bifurcated portion that can be detachably fitted to the bolt driver engaging portion, a fixing portion to be fixed to the article supporting base, and the bifurcated portion. A leg stopper including the bifurcated portion and the intermediate portion formed integrally with the fixing portion over the fixing portion, and having the following advantages can be provided.
That is, as compared with the conventional leg stopper of the same type, the bifurcated portion can be fitted into the bolt turner engaging portion of the article support leg in a state in which rattling is suppressed, whereby the article support leg is fixed to the article support base. A leg that can be stabilized in position and that can prevent unforeseen rotation of the bolt-rotating tool engaging portion more reliably, and can thereby stably support the supported article on the article support leg as a whole. It is a stop.

It is a top view which shows the leg stopper for the article | item support leg which concerns on this invention with the bolting tool engaging part of an article | item support leg. FIG. 2 is a plan view of a state in which the leg stopper of FIG. 1 is externally engaged with a bolt driver engaging portion. It is a side view which shows the usage condition example of the leg stopper of FIG.1 and FIG.2. It is a side view which shows the usage condition example of the conventional leg stopper example. It is a top view which shows the example of an article support leg shown in FIG. 4, and its leg stopper example.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 2 show an example of a leg stopper for an article support leg according to the present invention.
FIG. 1 is a plan view showing a state before the leg stopper 2 is externally engaged with the bolt driver engaging portion 13 of the article support leg 1 shown in FIGS. 3 and 4.
FIG. 2 is a plan view showing the leg stopper 2 in a state where the leg stopper 2 is externally engaged with the bolt driver engaging portion 13 of the article support leg 1 shown in FIGS. 3 and 4.

  The leg stopper 2 includes a bifurcated portion 21 that can be detachably fitted to a bolt driver engaging portion 13 of the article support leg 1, and a fixing portion 22 that is to be fixed to the article support base 4 (see FIG. 3). The intermediate portion 23 formed integrally with the bifurcated portion 21 and the fixed portion 22 is included.

  There is a step substantially corresponding to the height of the bolt base 12 of the article support leg 1 between the bifurcated portion 21 and the fixed portion 22, and the intermediate portion 23 is in an inclined posture that retains this step and the bifurcated portion 21 and the fixed portion 22. And is formed integrally with them.

The fixing portion 22 has a hole 22h through which an anchor bolt is passed.
The bifurcated portion 21 is a bifurcated portion main body 210 provided with a bent belt spring 24.

  The bifurcated body 210 includes one portion 211, the other portion 212 that forms a pair with the portion 211, and a back portion 213 that connects them. The inner surfaces of the portions 211 and 212 are flat and parallel to each other. The inner surface of the back portion 213 is continuous with the inner surfaces of the portions 211 and 212, and has an arc shape when viewed from the plane.

  The bent strip-shaped leaf spring 24 extends along the inner surface of the one portion 211 of the bifurcated body 210 and extends toward the back portion 213 of the bifurcated body 210, and a portion 243 that continues to the portion and faces the deep portion 213. And a portion 242 extending along the inner surface of the other portion 212 of the bifurcated main body 210.

  Each of the spring portions 241 and 242 includes portions 241a and 242a that wrap around the outer surfaces of the respective tips of the portions 211 and 212 forming a pair of the bifurcated body 210. These portions 241a and 242a are connected to the outer front surfaces of the bifurcated body portions 211 and 212, and are connected to the back portion 213 of the bifurcated body at the central portion of the spring portion 243. In this example, it is thus connected to the bifurcated body at three places in total.

The connection of the spring 24 at each of the above locations may be performed using a stopper member such as a screw, but in this example, the connection is made by welding.
Although not shown, the connection of the spring portion 243 to the back portion 213 of the bifurcated body may be omitted and the two portions may be connected at the remaining two locations. In order to arrange stably, it connects with three places as mentioned above.

  According to the leg stopper 2 described above, as in the conventional leg stopper, as shown in FIG. 3, for example, the article support leg that supports the supported article 3 at a fixed position on the article support base (floor or the like) 4. As with the conventional leg stopper 2 ′, the two forks 21 are fitted and engaged with the bolt turner engaging portion 1, while the fixing bolt 22 is passed through the anchor bolt through hole 22 h. Can be fixed to the article support substrate 4.

  However, according to the leg stopper 2, since the bent belt spring 24 is arranged along the inner surface of the bifurcated main body 210, the bifurcated portion 21 is connected to the bolt driver engaging portion 13 of the article support leg 1. When externally engaging with each other, the leaf spring 24 is externally engaged while being deformed against its elasticity. In a state where the bifurcated portion 21 is externally engaged with the bolt driver engaging portion 13, the elastically deformed portions 241 and 242 of the leaf spring 24 (portions 241 and 242 along the paired portions 211 and 212 of the bifurcated main body 210). However, the bolt driver engaging portion 13 is firmly clamped under the elastic restoring force of the leaf spring 24.

  As described above, the leg stopper 2 is less likely to rattle the bifurcated portion 21 by the bent belt spring 24 arranged along the inner surface of the bifurcated main body 210 as compared with the conventional leg stopper 2 'of the same type. In this state, it is possible to firmly fit and engage with the bolt turning tool engaging portion 13 of the article support leg 1 so that the article support leg 1 is positioned at a fixed position of the article support base 4 from the conventional leg stopper 2 '. As well as being able to stabilize, the unexpected rotation of the bolt driver engaging portion 13 can be more reliably prevented, and the supported article 3 can be supported stably on the article support leg 1 as a whole. .

DESCRIPTION OF SYMBOLS 1 Article support leg 11 Bolt 12 Bolt base 13 Bolt turning tool engaging part 131 Parallel surface 2 of engaging part 13, 2 'Leg stopper 21, 21' Bifurcated part 210 Bifurcated body 211 One part 211 of the bifurcated body 'Inner side surface 212 of portion 211 The other portion 212 of the bifurcated main body' Inside surface 213 of the portion 212 The inner portion 22 of the bifurcated main body 22, 22 'Fixing portion 22h, 22h' Anchor bolt through hole 23, 23 'Connecting portion 24 Belt-like plate springs 241, 242, and 243 Portions 241a and 242a of the spring 24 Portions of the spring 24 to the outer surface of the front end of the bifurcated portion 3 Supported article 4 Article support base 5 Anchor bolt

Claims (3)

  A bolt in which a male screw is formed is rotatably erected on the bolt base, and the male screw portion of the bolt is screwed into a bolt screwing portion of a supported article to adjust the amount of protrusion of the bolt from the bolt screwing portion. In addition, the article can be supported on the article support base by disposing the bolt base on the article support base, and a bolt driver engaging portion is provided at a site adjacent to the bolt base of the bolt. A leg stopper for an article support leg, a bifurcated part that can be detachably fitted to the bolt driver engaging part, a fixing part to be fixed to the article support base, the bifurcated part, and the bifurcated part A leg stopper that includes the bifurcated portion and an intermediate portion formed integrally with the fixed portion, the bifurcated portion extending along the inner surface of the bifurcated main body. From one part to the back of the bifurcated body, And further includes a bent belt spring extending from the back to the other portion of the bifurcated main body and coupled to the bifurcated main body, the bent belt spring supporting the bifurcated portion with the article It is elastically deformed by being externally fitted to the bolt turning tool engaging portion of the leg, and the bolt turning tool engaging portion is formed by a portion along one portion and a portion along the other portion of the bifurcated body. A leg stopper for an article support leg, characterized by being a spring that can be clamped with an elastic restoring force.   The bent belt spring includes a portion that wraps around the tip outer surface of each of the one and the other portions of the bifurcated body, and the wrap-around portion is connected to the tip outer surface of the bifurcated body. The leg stopper for an article support leg according to claim 1, wherein a portion facing the inner portion of the bifurcated body is coupled to the bifurcated body at a total of three locations.   The bent belt spring includes a portion that wraps around the tip outer surface of each of the one and the other portions of the bifurcated body, and the wrap-around portion is connected to the tip outer surface of the bifurcated body. The leg stopper for an article support leg according to claim 1, wherein the leg support body is connected to the bifurcated main body at a total of two locations.

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