JP5816509B2 - Attachment unit - Google Patents

Description

  The present invention is suitable for use when attaching a leg portion or a column to a board such as a table using a honeycomb structure core material, a table top, a desk top shelf, or a shelf board in which a nail or a screw does not work. Related to the attachment unit.

  In general, solid wood, plywood, or laminated wood is used for assembly-type tables, desks, shelves, etc., as shown in Patent Documents 1 to 3 below. A base metal bracket for attaching a leg or a column to a plate member) is secured using a nail or a mounting screw. However, mainly for the purpose of reducing the weight and reducing the cost, there is a case where a honeycomb-structured core material using an aluminum thin plate or cardboard is used for the board and a decorative plate is attached to the upper and lower surfaces thereof. . In this case, since the nails and mounting screws do not work even when the pedestal bracket is used, it is difficult to attach the legs and posts to the board. There is a need for a dedicated attachment unit for installation.

Japanese Patent No. 4567043 Japanese Utility Model Publication No. 6-10830 No. 6-6745

  The present invention is for answering the above-mentioned demands. For example, a table or a desk having a core material having a honeycomb structure in which a nail or a mounting screw does not work, or a board used for a shelf plate constituting a shelf, a leg portion or a support column. It is intended to provide an attachment unit with a small number of parts that can be securely fixed and a simple structure.

In order to achieve the above object, an attachment unit according to the present invention described in claim 1 is provided with attachment means for attaching a leg portion or a column attached to a board such as a table, a top plate of a desk or a shelf plate of a shelf. A mounting seat having a mounting seat, a holder inserted into the mounting hole provided in the board, and the holder being inserted and fixed in the mounting hole so as to protrude outward. The mounting seat includes a flange portion, a fixing portion of the holder provided below the flange portion, and a male screw portion provided subsequent to the fixing portion. The male screw portion is constituted by the female screw portion which is the attachment means provided through the flange portion and the fixing portion in the axial direction of the male screw portion .

The attachment unit according to the second aspect of the present invention is the attachment unit according to the present invention, wherein the mounting seat includes a flange portion, a fixing portion of the holder provided below the flange portion, and a male screw provided subsequent to the fixing portion. And a female screw portion provided through the flange portion and the fixing portion in the axial direction of the male screw portion, and an attachment means for attaching the mounting seat to the holder is the male screw portion. It is characterized by being a nut that can be attached to.

The attachment unit according to the third aspect of the present invention is such that the attachment seat has a flange portion and a male screw portion provided below the flange portion, and the flange portion and / or the male screw portion. Is provided with a plurality of locking projections.

The attachment unit according to the present invention described in claim 4 is provided in a radial manner by opening the holder in a mounting hole for inserting and fixing the fixing portion of the mounting seat, and opening outward around the mounting hole. It is characterized by comprising a plurality of storage chambers and a plurality of fixing members that are slidably biased outwardly to the storage chambers so as to be retractable.

  When using the attachment unit having the above configuration, with a simple configuration with a small number of parts, the holder portion is inserted into the mounting hole provided in the board until the flange portion of the mounting seat comes into contact with the periphery of the mounting hole. Since the holder is firmly fixed to the mounting hole by the fixing means, attaching the legs and posts to the mounting means of the mounting seat can be completed very easily. is there.

  At this time, if the means for attaching the leg and the column to the mounting seat is a female screw part, it is only necessary to provide a mounting bolt to be attached to the female screw part on the leg part and the column, so that the attachment becomes easier.

  The mounting seat includes a flange portion, a fixing portion of the holder provided below the flange portion, a male screw portion provided subsequent to the fixing portion, and the flange in the axial direction of the male screw portion. If the mounting hole for inserting and fixing the fixing portion of the mounting seat is provided in the holder, the nut is formed in the male screw portion. By attaching and tightening, the mounting seat can be easily fixed to the holder.

  Furthermore, a plurality of storage chambers are provided radially by opening outwardly of the holder mounting holes, and a plurality of fixing members mounted by sliding outwardly to the storage chambers are provided so as to be able to appear and retract. And the attachment of the holder to the mounting hole provided on the board can be easily performed by simply pushing the holder into the mounting hole, and the fixing member is submerged in the storage chamber, and after the pushing work, Since the fixing member is projected and biased outward, the effect that the holder is firmly fixed to the mounting hole can be obtained.

  Further, the mounting seat has a flange portion and a male screw portion provided below the flange portion, and a plurality of locking projections are provided on the flange portion and / or the male screw portion, an attachment is provided. Even if rotational torque is applied to the unit, it can be effectively prevented from rotating easily.

It is a perspective view which shows one Example of the attachment unit which concerns on this invention. It is the perspective view which looked at the attachment unit shown in FIG. 1 from the reverse direction. It is a disassembled perspective view of one Example of the attachment unit which concerns on this invention. It is a perspective view of the attachment seat of the attachment unit concerning the present invention. It is a perspective view of the holder of the attachment unit concerning the present invention. It is a perspective view of the fixing member of the attachment unit which concerns on this invention. It is explanatory drawing for demonstrating the attachment unit attachment example which concerns on this invention.

  An embodiment of an attachment unit according to the present invention will be described below with reference to the drawings. In the following description, as shown in FIG. 7, the board A has a honeycomb core B that constitutes a top plate such as an assembly-type table, and decorative plates b and b on both sides of the core B. The attachment unit for attaching the leg C to the one attached by means such as sticking will be described as an example. However, the attachment destination of the attachment unit of the present invention is not limited to this, and other honeycomb structures and other nails and screws may be attached. This method can be widely applied when attaching legs and columns to boards such as desks and tables made of materials that are difficult to work, and shelf boards such as shelves.

  According to the drawings, in FIGS. 1 to 7, the attachment unit 1 according to the present invention includes a mounting seat 2 having a mounting means 2a for mounting a leg C to be mounted on the board A, and the mounting seat 2 on the board A. And a plurality of fixing members 4 provided to be protruded and urged outward from the holder 3 in order to insert and fix the holder 3 in the mounting hole a. It consists of and.

  In the illustrated embodiment, the mounting seat 2 includes a disk-shaped flange portion 2b, a circular base portion 2c provided on the lower surface of the flange portion 2b, and a flat surface 4 provided on the lower surface of the base portion 2c. An angular fixed portion 2d, a male screw portion 2e provided subsequent to the fixed portion 2d, and a flange portion 2b, a base portion 2c, and a fixing portion 2d provided in the axial direction of the male screw portion 2e. The mounting means 2a is constituted by a female screw portion 2f which is an example, and a flat hexagonal hexagonal hole 2g provided at the inlet of the female screw portion 2f. The flange portion 2b and the base portion 2c may be viewed as a single unit and may be simply a flange portion. Therefore, when it says a flange part, both a flange part and a base part are included. Although the attachment means 2a is the female screw portion 2f in the embodiment, the attachment means 2a is not limited to this and may be a known fitting engagement means for attaching the leg portion.

  Further, the holder 3 has a thick planar substantially disk shape, and has a planar rectangular mounting hole 3a for inserting and fixing the fixing portion 2d of the mounting seat 2 in the central axis direction, and an outward direction around the mounting hole 3a. A plurality of storage chambers 3b are provided by releasing the upper portion and the outer side which are provided radially, and a plurality of fixing members 4 are stored in the storage chamber 3b so as to be able to appear and retract outward. At the same time, the elastic means 5 including a plurality of compression coil springs arranged for each fixing member 4 is slidably biased toward the outside of the storage chamber 3b.

  Each storage chamber 3b is provided with a locking portion 3c in three directions on its outlet side, and the fixing member 4 is provided with an inclined portion 4a on its front end side and an engagement piece 4b in three directions on its rear end side. Thus, each fixing member 4 housed in each housing chamber 3b is prevented from being pushed out by the elastic means 5 and coming out outward. Each fixing member 4 is also provided with an accommodation hole 4c for accommodating a part of each elastic means 5.

  The mounting seat 2 is fixed to the holder 3 in a non-rotating manner by inserting and fixing the mounting hole 3a of the holder 3 to the fixing portion 2d and attaching and tightening the nut 6 to the male screw portion 2e. A plurality of locking projections 2h and 2i are provided on the lower surface of the flange portion 2b and the lower end portion side of the male screw portion 2e. At this time, the tightening hexagon hole 2g provided in the flange portion 2b is used when the nut 6 is tightened using a hexagon wrench.

  Therefore, the attachment unit 1 according to the present invention described above is in the assembled state as shown in FIGS. 1 and 2, and is equivalent to the length of the attachment unit 1 provided on the board A as shown in FIG. And the fixing member 4 hits the inlet of the mounting hole a and the elastic force of each elastic means 5 is pushed into the mounting hole a having a width corresponding to the outer diameter of the holder 3 from the male screw portion 2e side. Against each of the housing chambers 3b, so that, while still encountering the resistance at this time, by pushing it in, the tip of the male screw portion 2e reaches the bottom of the mounting hole a, and the locking projection 2h is attached to the mounting chamber 3b. The attachment unit 1 is firmly fixed to the mounting hole a of the board A by being pierced into the bottom of the hole a and the locking projection 2i of the flange 2b into the decorative plate b of the board A. In addition, when there is no decorative board on the lower surface side of the core material, it becomes the core material.

  Next, as shown in FIG. 7, the mounting bolt c attached to the tip of the leg portion C is screwed to the female screw portion 2 f which is the mounting means 2 a of the mounting seat 2, so that the board A is attached. The attachment of the leg C is completed. Similarly, the other leg portions are attached to the attachment unit 1.

  In addition, this invention is not limited to the said Example, For example, when a board is a shelf board of a shelf, what is attached to an attachment unit may be a support | pillar, and various things depend on the use of a board. Will be attached to the attachment unit according to the present invention. Furthermore, the configuration of the mounting means, the configuration of the mounting means, the configuration of the mounting means, the configuration, the number and arrangement of the tips of the fixing members, the configuration of the elastic means, etc. are appropriately changed in design according to the purpose of use and usage conditions of the attachment unit. Therefore, the present invention encompasses all modified embodiments that fall within the scope of the claims.

  Since the present invention is configured as described above, it is an inexpensive attachment unit for attaching legs and columns to a table or desk that does not work with nails or screws, or a board used as a top plate or shelf such as a shelf. It is preferably used.

A Board a Mounting hole C Leg part 1 Attachment unit 2 Mounting seat 2a Mounting means 2b Flange part 2d Fixing part 2e Male thread part 2f Female thread part 2h Locking protrusion 2i Locking protrusion 3 Holder 3a Mounting hole 3b Storage chamber 4 Fixing member 6 Nut

Claims (4)

A mounting seat having mounting means for mounting a leg portion or a column attached to a board such as a table, a top plate of a table or a shelf board of a shelf, and the mounting seat is inserted into a mounting hole provided in the board. And a plurality of fixing members provided to be protruded and urged outwardly in order to insert and fix the holder in the mounting hole, and the mounting seat includes a flange portion, The fixing portion of the holder provided below the flange portion, the male screw portion provided subsequent to the fixing portion, and the flange portion and the fixing portion are provided in the axial direction of the male screw portion. An attachment unit comprising: a female screw portion as the attachment means . The mounting seat includes a flange portion, a fixing portion of the holder provided below the flange portion, a male screw portion provided subsequent to the fixing portion, and an axial direction of the male screw portion. The mounting means for attaching the mounting seat to the holder includes a nut that is attached to the male screw portion, and has a flange portion and a female screw portion provided through the fixing portion. Item 2. The attachment unit according to item 1. The mounting seat further includes a flange portion and a male screw portion provided below the flange portion, and a plurality of locking protrusions are provided on the flange portion and / or the male screw portion. The attachment unit according to claim 1.   The holder includes an attachment hole for inserting and fixing the fixing portion of the attachment seat, a plurality of accommodation chambers radially provided around the attachment hole, and an outward direction to the accommodation chamber. The attachment unit according to claim 1, wherein the attachment unit is configured to include a plurality of fixing members that are slidably biased to be retractable.

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