JP2019000332A - Furniture member and furniture - Google Patents

Abstract

To provide a furniture member that suitably assumes a required shape while maintaining highly efficient productivity through the use of a material assuming a pipe shape in a cross-sectional view, and furniture comprising the furniture member.SOLUTION: A leg body 1 serving as a furniture member according to the present embodiment according to the present invention comprises: a depressed surface 11 that assumes a shape depressed from arbitrary one direction with respect to a material assuming a pipe shape in a cross-sectional view; an opposed surface 12 that is provided on the opposed side from the depressed surface 11; a base end 15 that constitutes the side of one end on a longitudinal direction; and a tip part 16 that is positioned on the opposite side of the base end 15 in the longitudinal direction and that is different in cross-sectional shape from the base end 15.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a furniture member that is preferably used for furniture legs and the like that are preferably used in offices and the like.

  2. Description of the Related Art Conventionally, furniture with a top plate such as a table or desk and furniture such as a chair are widely used in offices and homes. In these furniture, various proposals are made for furniture members that can play the required role as furniture while forming metal pillars into desired shapes such as furniture legs with chairs, chair legs and legs, etc. Has been. And in such a member for furniture, the metal raw material is applied in many cases. Many of these metal materials have been proposed in which a solid metal material is formed by cutting out or in a required shape in order to effectively maintain the strength.

  In addition, for the purpose of reducing the weight of the furniture member or simplifying the structure, the pipe material having substantially the same shape in cross-section manufactured by, for example, extrusion molding is appropriately applied as a furniture member by appropriately bending the pipe material. The obtained technique is also proposed (for example, refer to Patent Document 1).

Japanese Patent No. 3179384

  When the pipe-shaped member is bent at a right angle in the technique described in Patent Document 1, problems such as unnecessary dents and cracks in the material are effectively eliminated.

  However, as a member for constituting furniture, not only the material is simply bent at a required angle, but the entire outer shape is formed into a required shape such as a tapered shape, or a different member is attached to the end. Various processing is required, such as processing into an easy shape in advance.

  Here, in order to form a pipe-shaped material into a required shape, it is conceivable that the surface is excavated and other materials are welded. Of course, if these measures are used, the pipe-shaped material is based on the pipe-shaped material. Can also be formed into the required shape. However, if such a method is applied, the procedure for molding each piece of furniture will increase, and additional materials will be required, resulting in an increase in manufacturing costs. Invite a bug.

  At present, there is a demand for a furniture member that achieves both high productivity and ease of molding into a required shape while applying a pipe-shaped member as the furniture member.

  That is, the present invention aims to solve the above-mentioned problems, and for furniture having a desired shape while maintaining high productivity while using a material having a pipe shape in cross section. It aims at providing the furniture which comprises a member and the said member for furniture.

  In order to achieve this object, the present invention takes the following measures.

  That is, the furniture member according to the present invention includes a concave surface having a shape recessed from an arbitrary direction with respect to a material having a pipe shape in cross section, a facing surface provided on a side facing the concave surface, and a longitudinal direction. The base end portion forming one end side and the base end portion are opposite to each other in the longitudinal direction, and a tip end portion having a different cross-sectional shape from the base end portion is provided. The furniture according to the present invention comprises the furniture member.

  If this is the case, by applying a material having a pipe shape in cross section and forming it into an appropriate shape, the material having a pipe shape in cross section as well as a member shaped like a solid cut-out member It is possible to provide a furniture member having a desired shape while maintaining productivity with high efficiency, and a furniture including the furniture member.

  The concave surface is provided closest to the facing surface and tilted at a predetermined inner tilt angle inclined from the facing surface, and has a dimension equal to or greater than the thickness dimension of the material provided on both sides of the inner tilted surface. A clearance region formed in the clearance region, and an outer inclined surface that is farthest from the opposing surface and is inclined from the opposing surface in the clearance region and is inclined at a predetermined outer inclination angle, and the inner inclination angle is the outer inclination angle. Also, the furniture member according to the present invention can be used for various purposes by being set larger.

  In addition, in order to make the appearance of the furniture member more suitable while making it difficult to interfere with the user's feet, the front end portion is formed into a substantially circular or elliptical cross-sectional shape and is formed on the floor surface. It is desirable that a grounding member for grounding can be attached.

  And in order to shape | mold a concave surface suitably, without damaging the member which makes a cross-sectional view pipe shape, it is desirable to comprise a clearance area so that a dimension 3 times or more of the thickness dimension of a raw material may be made.

  And, in order to form the required shape while effectively maintaining the apparent thickness dimension of the furniture member itself, the concave surface is pressed against the surface on the short side in the cross-sectional view in the pipe-shaped material. It is desirable to be constituted by.

  If the base end portion described above has a support mounting portion for supporting a component for constituting furniture from below, the furniture member according to the present invention can be widely used for various applications. Can be used.

  In order to improve the versatility by processing the tip portion, it is desirable that the nut member is fitted into the tip portion.

  As a structure for making the appearance as furniture more suitable, a structure formed into a tapered shape in a side view can be given.

  In addition, as another configuration for making the appearance as furniture more suitable, a configuration formed into a bent or curved shape in a side view can be given.

  Since the present invention has the above-described configuration, a furniture member and a furniture member that are suitably formed in a required shape while maintaining high productivity while using a pipe-shaped material. Furniture to be provided can be provided.

The external view which concerns on one Embodiment of this invention. The front view which concerns on the same embodiment. The external view of the principal part which concerns on the same embodiment. FIG. 4 is a longitudinal sectional view according to FIG. 3. The V section enlarged view which concerns on FIG. FIG. 4 is an end view taken along line I-I according to FIG. 3. The II-II end view. The III-III line end view. The IV-IV line end view. Explanatory drawing concerning the modification. The external view which concerns on the modification of the embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS.

  As shown in FIG. 1, the furniture T with a top plate, which is the furniture of the present embodiment, has a leg 1 that is a member for furniture, and an L-shape in plan view that is supported by the leg 1 via a support frame T1. The main body is the top plate T2.

  In this embodiment, the leg body 1 is provided with a front end portion 16 to which an adjuster A, which is a grounding member for grounding the floor surface, can be attached on the lower end side, and a top plate T2, which is a component for constituting furniture. And a base end portion 15 having a mounting portion 15a for support.

  And the leg body 1 which is the member for furniture which concerns on this embodiment was provided in the concave surface 11 which makes the shape dented from the arbitrary one direction with respect to the raw material which makes cross-sectional view pipe shape, and the side facing this concave surface 11. For furniture comprising a facing surface 12, a base end 15 that forms one end in the longitudinal direction, and a tip 16 that is opposite to the base end 15 in the longitudinal direction and has a different cross-sectional shape from the base end 15. An inner inclined surface 11a which is a member and has a concave surface 11 closest to the opposing surface 12 and inclined at a predetermined inner inclination angle inclined from the opposing surface 12, and a material provided on both sides of the inner inclined surface 11a. A clearance region 11c having a dimension equal to or greater than the thickness dimension, and an outer inclined surface 11b that is the farthest away from the opposing surface 12 and is inclined from the opposing surface 12 at a predetermined outer inclination angle in the clearance region 11c. The inner angle of inclination, characterized in that it is larger than the outer inclination angle.

  Hereinafter, a specific configuration of the leg 1 will be described.

  The leg 1 is made of a steel pipe having a pipe shape, for example. Specifically, the steel sheet is formed into a tubular shape by welding the rounded ends. Of course, as a material that can constitute the leg 1, an extruded material of aluminum other than the steel pipe may be applied.

  Furthermore, in addition to the base end portion 15 and the tip end portion 16, the leg body 1 has a concave surface 11 formed by denting the material over substantially the entire area of one surface in the longitudinal direction, an opposing surface 12 facing the concave surface 11, and these It has the side surface 13 interposed in the concave surface 11 and the opposing surface 12, and the bending part 14 bent in a longitudinal direction. Further, in the present embodiment, the bent portion 14 has a shape obtained by bending a part of the side view, but of course, a part thereof may be bent rather than bent, or may be a shape formed by bending the whole. .

  As shown in FIGS. 4 and 7 to 9, the concave surface 11 is configured by pressing the surface on the short side in the cross-sectional view of the pipe-shaped material. The concave surface 11 has an inner inclined surface 11a that is most recessed in a cross-sectional view, a drawing portion 11d into which a material is drawn according to the depression of the inner inclined surface 11a, and an outer shape that is recessed according to the drawing portion 11d. And an outer inclined surface 11b.

  The leg 1 has a clearance region 11 c having a dimension that is at least three times the thickness of the material on both sides of the concave surface 11. By setting this clearance region 11c to a dimension that is three times or more the material thickness dimension, even if the surface on the short side in the cross sectional view of the material is pressed by the pressing surface Ka of the mold K, the material breaks or the like occurs. It has become difficult.

  In this embodiment, in order to form the leg body 1 in a tapered shape when viewed from the side, the inner inclined angle formed by the inner inclined surface 11a constituting the concave surface 11 and the opposing surface 12 is the outer inclined surface 11b and the opposing surface 12. Is set to be approximately twice the outer inclination angle formed by. In other words, as shown in FIG. 5, the amount of push-in pushed by the pressing surface Ka of the mold K to form the inner inclined surface 11a is about twice the taper dimension of the outer inclined surface 11b having a tapered shape. It is configured as follows.

  In this embodiment, as shown in FIGS. The distal end portion 16 is formed so that the cross-sectional shape is substantially circular or elliptical. More specifically, the distal end portion 16 is substantially circular in cross-sectional shape with a nut mounting portion 16a for embedding the nut member 17 having the female screw portion 17a, a separation region 16b for forming the nut mounting portion 16a, and a transverse section. It has a curved surface 16c formed to have a shape, and a first contact surface 16d and a second contact surface 16e that are in close contact with the nut member 17.

  And in this embodiment, as shown to Fig.10 (a) and FIG.10 (b), the front-end | tip part 16 forms the concave surface 11 in the state which ensured the separation area | region 16b previously (FIG. 10 (a)), and is separated. With the nut member 17 inserted into the region 16b, the material is plastically deformed by an appropriate pressing means X for plastically deforming the material (FIG. 10B). Thereby, the front-end | tip part 16 to which the nut member 17 is fixed firmly is shape | molded suitably. Although not shown in the drawing, arc welding may be separately performed on a portion where the first contact surface 16d and the second contact surface 16e that are in close contact with the nut member 17 are formed. In such a case, a weld joint appears separately at the tip 16 in the figure.

  <Modification>

  Hereinafter, modifications of the embodiment will be described. About the said modification, about the component similar to the said embodiment, while attaching | subjecting the same code | symbol, the detailed description is abbreviate | omitted.

  Although the said embodiment demonstrated the aspect which applied the leg 1 which is a member for furniture to the leg 1 for supporting the top plate of the furniture T with a top plate, of course, the furniture member which concerns on this invention is the furniture with a top plate. It is not limited to the aspect used for T.

  That is, in this modification, as shown in FIG. 11, the aspect which applied this invention with respect to chair CH as furniture is shown. If it demonstrates concretely, the member for furniture concerning this modification applies this invention to leg 1 of chair CH constituted so that nesting which can be applied suitably, for example in a conference room etc. is possible. The leg 1 corresponds to the front leg and the rear leg of the chair CH. The rear leg base 15 supports the seat CH1 and the back CH2 of the chair CH, and the front leg base 15 is the rear leg. It is an aspect formed by welding. Also in this modified example, the leg 1 has a bent portion 14, but the bent portion 14 is different from the embodiment in which the material is locally bent as in the above-described embodiment, and the leg 1 is entirely formed. It is set as the aspect formed by making it curve. Further, in the above embodiment, the adjuster A is applied as a grounding member to be attached to the distal end portion 16, but in this modified example, a caster C is applied instead of the adjuster A.

  Even in such a case, as in the above embodiment, a metal pipe material is used to achieve a desired shape while performing a function as a furniture member.

  As described above, the furniture member according to the present embodiment has the outer inclined surface 11b and the inner inclined surface 11a that are the farthest away from the facing surface 12 in the clearance region 11c and are inclined at the predetermined outer inclination angle that is inclined from the facing surface 12. The base end portion 15 and the distal end portion 16 have different cross-sectional shapes.

  By configuring in this way, by applying a material having a pipe shape in cross section and forming it into an appropriate shape, the material having a pipe shape in cross section, like a solid machined member The furniture member having the required shape and the furniture provided with the furniture member are realized while maintaining the high productivity and the efficiency.

  The clearance region 11c has an outer inclined surface 11b that is farthest from the opposing surface 12 and is inclined from the opposing surface 12 at a predetermined outer inclination angle, and the inner inclination angle is set to be larger than the outer inclination angle. The versatility of the distal end portion 16 is widened while enabling molding into various shapes.

  In addition, in order to make the appearance of the furniture member more suitable while making it difficult to interfere with the user's feet, in the present embodiment, the distal end portion 16 is formed in a substantially circular or elliptical cross-sectional shape. In addition, the above-described distal end portion 16 can attach a grounding member adjuster A or a caster C for grounding to the floor surface.

  And in order to form the concave surface 11 suitably without damaging the pipe-shaped member in cross section, in this embodiment, the clearance region 11c is configured to have a dimension that is at least three times the thickness dimension of the material. I am doing so.

  In this embodiment, in order to form the required shape while effectively maintaining the apparent thickness dimension of the furniture member itself, in this embodiment, the concave surface 11 is pressed against the surface on the short side in the cross-sectional view of the pipe-shaped material. By doing so, it is configured.

  Moreover, in this embodiment, although the base end part 15 has the attachment part for support for supporting the component for comprising furniture from below, of course, the leg 1 is comprised suitably. It is also possible to apply to other components such as the horizontal member of the present invention.

  In the present embodiment, the nut member 17 is fitted into the distal end portion 16 in order to improve versatility by processing the distal end portion 16.

  In this embodiment, a configuration formed into a tapered shape in side view is applied as a configuration for making the appearance as furniture more suitable.

  Further, as a further configuration for making the appearance as furniture more suitable, in this embodiment, a configuration formed into a bent or curved shape in side view is applied.

  Here, the leg body 1 according to the present embodiment as a configuration that suitably constitutes a member for furniture while using a material having a pipe shape in cross section is recessed from any one direction with respect to the material having a pipe shape in cross section. A concave surface 11 having a shape, a counter surface 12 provided on the side facing the concave surface 11, a base end portion 15 forming one end in the longitudinal direction interposed between the concave surface 11 and the counter surface 12, and a base end portion 15 Is a furniture member having an opposite side in the longitudinal direction and having a distal end portion 16 having a different cross-sectional shape from the proximal end portion 15, wherein the concave surface 11 is closest to the opposing surface 12 and from the opposing surface 12. An inner inclined surface 11a that is inclined at a predetermined inner inclined angle, a clearance region 11c that is provided on both sides of the inner inclined surface 11a and has a dimension that is at least three times the thickness of the material, and an opposing surface in the clearance region 11c 2 and an outer inclined surface 11b which is inclined at a predetermined outer inclination angle which is the farthest from 2 and is inclined from the facing surface 12, and the concave surface 11 is a surface on the short side in a cross-sectional view in a pipe-shaped material. It is characterized by being configured by pressing.

  Similarly, the leg body 1 according to the present embodiment as a configuration that suitably constitutes a member for furniture while using a material having a pipe shape in cross section is recessed from an arbitrary direction with respect to the material having a pipe shape in cross section. A concave surface 11 having a shape, a counter surface 12 provided on the side facing the concave surface 11, a base end portion 15 forming one end in the longitudinal direction interposed between the concave surface 11 and the counter surface 12, and a base end portion 15 Is a furniture member having an opposite side in the longitudinal direction and having a distal end portion 16 having a different cross-sectional shape from the proximal end portion 15, wherein the concave surface 11 is closest to the opposing surface 12 and from the opposing surface 12. An inner inclined surface 11a that is inclined at a predetermined inner inclined angle, a clearance region 11c that is provided on both sides of the inner inclined surface 11a and has a dimension that is at least three times the thickness of the material, and an opposing surface in the clearance region 11c 2 and the outer inclined surface 11b which is inclined at a predetermined outer inclination angle which is the farthest from 2 and inclined from the facing surface 12, and the tip end portion 16 is formed into a substantially circular or elliptical cross-sectional shape. It is characterized by being.

  Furthermore, the leg body 1 according to the present embodiment as a structure that suitably constitutes a furniture member while using a material having a pipe shape in cross section is a shape that is recessed from an arbitrary direction with respect to the material having a pipe shape in cross section. A concave surface 11 formed on the opposite side of the concave surface 11, a base end portion 15 that forms one end in the longitudinal direction interposed between the concave surface 11 and the counter surface 12, and a base end portion 15. A furniture member comprising a distal end portion 16 which is opposite in the longitudinal direction and has a different cross-sectional shape from the proximal end portion 15, and the proximal end portion 15 supports components for constituting the furniture from below. The front end 16 is fitted with a nut member 17 and has a taper shape that is bent or curved in side view.

  Although one embodiment of the present invention has been described above, the specific configuration of each part is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

  For example, in the above-described embodiment, the material made of the steel pipe is described as an example of the material constituting the furniture member, but other materials may be used as long as the material can suitably perform plastic deformation.

  In addition, other detailed configurations such as specific dimensions of the bent portion of the furniture member and a specific shape of the tapered shape can be variously modified without departing from the gist of the present invention.

1 ... Furniture parts (legs)
11 ... Concave surface 11a ... Inner inclined surface 11b ... Outer inclined surface 11b
11c ... Clearance area 12 ... Opposing surface 14 ... Bent part 15 ... Base end part 16 ... Tip part 17 ... Nut member A ... Grounding member (adjuster)
C ... Grounding member (caster)
d ... Thickness dimension H ... Taper dimension L ... Push-in amount K ... Mold Ka ... Pressing surface

Claims (10)

A concave surface having a shape recessed from an arbitrary direction with respect to a material having a pipe shape in cross section,
An opposing surface provided on the opposite side from the concave surface;
A base end portion forming one end side in the longitudinal direction;
A furniture member comprising: a distal end portion which is opposite to the base end portion in a longitudinal direction and has a different cross-sectional shape from the base end portion. The concave surface is provided closest to the facing surface and tilted at a predetermined inner tilt angle inclined from the facing surface, and has a dimension equal to or greater than the thickness dimension of the material provided on both sides of the inner tilted surface. A clearance region to be formed, and an outer inclined surface that is the farthest from the opposing surface in the clearance region and is inclined at a predetermined outer inclination angle that is inclined from the opposing surface,
The furniture member according to claim 1, wherein the inner inclination angle is set larger than the outer inclination angle. The furniture member according to claim 1 or 2, wherein the tip portion has a cross-sectional shape formed in a substantially circular shape or an elliptical shape, and a grounding member for grounding the floor can be attached. . The furniture member according to any one of claims 1 to 3, wherein the clearance region has a dimension that is three times or more the thickness dimension of the material. The furniture member according to any one of claims 1 to 4, wherein the concave surface is configured by pressing a surface on a short side in a cross-sectional view of the pipe-shaped material. The furniture member according to any one of claims 1 to 5, wherein the base end portion has a support attachment portion for supporting a component for constituting furniture from below. The furniture member according to claim 1, wherein the tip portion is fitted with a nut member. The furniture member according to claim 1, wherein the furniture member is formed into a tapered shape in a side view. The furniture member according to claim 1, wherein the furniture member is formed into a bent or curved shape in a side view. A furniture comprising the furniture member according to claim 1.

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