Tool cabinet fixing and supporting structure

FIELD OF THE INVENTION

0001The present invention relates to a tool cabinet fixing and supporting structure, and more particularly to a tool cabinet providing several layers of open shelves for storing various tools.

BACKGROUND OF THE INVENTION

0002Please refer to FIG. 1 for the P.R.C. Patent Publication No. CN2386927Y, which discloses a traditional tool cabinet assembly structure. Since traditional tool cabinet simply passes a positioning member through a circular positioning hole disposed between a shelf and a corner bar to fix the tool cabinet, the corner bars at the four corners and the shelves cannot be fixed effectively, and it is difficult to assemble the tool cabinet. The patent specification of the aforementioned patent disclosed a tool cabinet assembly structure comprising a pair of shelves and two pairs of vertical components (corner bars). Each shelf further comprises two pairs of horizontal components; wherein each of the horizontal and vertical components has a plurality of rectangular openings, circular openings, bolts, and connecting sections of the rectangular openings; and a screw positioning member having a corner bar limit section disposed at the connecting position of a bolt and a nut for combining each shelf with each vertical component and forming a tool cabinet with stronger assembly structure. However, the assembly structure of such patent still has the following shortcomings to overcome: <ul id="ul0001" list-style="none"><li id="ul0001-0001" num="0000"><ul id="ul0002" list-style="none"><li id="ul0002-0001" num="0003"> 1. The vertical component (corner bar) must support the total weight of the shelves and the tools placed on the shelves. Therefore, the rigidity of the corner bar becomes a key issue; however, there are openings on the vertical component according to that patented technology. The weight actually borne by the vertical component is an issue if the number of required shelves increases. Furthermore, the openings also ruin the overall artistic appearance and the rough edges of the openings if not trimmed may cut users easily. </li><li id="ul0002-0002" num="0004"> 2. Since the bolt is formed by bending inwards, it bears a lighter weight. In addition, there is a tolerance for the bending angle of each bolt, so that when the shelf is put onto the bolts of the vertical component, the vertical component and the horizontal component of each shelf are not fully attached, and thus it is unable to secure the screws. As for traditional tool cabinets, such a technology only provides a partial improvement, but does not achieve the effect of mounting the shelves securely into a fixed position on the tool cabinet. </li><li id="ul0002-0003" num="0005"> 3. There is another shortcoming related to the design of the bolt and the transportation and storage of the tool cabinet. Since the bolt is protruded to create a gap between the vertical component and the bolt, therefore the vertical components cannot be stacked on each other. Such an arrangement increases transportation costs and storage space. </li></ul></li></ul>

SUMMARY OF THE INVENTION

0006The primary objective of the present invention is to overcome the foregoing shortcomings and avoid the existing deficiencies by providing a tool cabinet that makes use of a positioning member disposed between the shelf and the corner bars to fix the positioning member with its installing surface to the inner wall of the corner bars without changing the structure of the current existing corner bars. A limit bolt is extended from the positioning member to receive a positioning hole disposed at the bottom of the shelf to constitute a positioning and supporting relation with the corner bars. Since the supporting surface is located at the bottom surface of the shelf, therefore the shelf and the connecting surface of the corner bars can be attached better to position more effectively. Further, a positioning hole is disposed on the installing surface of the corner bar and the transversal board, and a positioning member is used to pass through the positioning hole to constitute a coupling relation between the shelf and the corner bars, and thus forming an easy-to install tool cabinet with better supporting strength.

BRIEF DESCRIPTION OF THE DRAWINGS

0007<figref idref="DRAWINGS">FIG. 1</figref> is a cross-sectional view of a prior-art tool cabinet assembly.

0008<figref idref="DRAWINGS">FIG. 2</figref> is a perspective view of the present invention.

0009<figref idref="DRAWINGS">FIG. 3A</figref> is a view of the disassembled parts of the structure according to the present invention.

0010<figref idref="DRAWINGS">FIG. 3B</figref> is an enlarged view of the connected position as depicted in <figref idref="DRAWINGS">FIG. 3A</figref>.

0011<figref idref="DRAWINGS">FIG. 4</figref> is a cross-sectional view of Section <b>4</b>-<b>4</b> as depicted in <figref idref="DRAWINGS">FIG. 2</figref>.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

0012To make it easier for our examiner to understand the objective of the invention, its structure, innovative features, and performance, we use a preferred embodiment and the attached drawings for the detailed description of the invention.

0013Please refer to <figref idref="DRAWINGS">FIGS. 2, 3A</figref>, and <b>3</b>B for the tool cabinet positioning and supporting structure according to the present invention. The tool cabinet comprises at least one shelf <b>10</b> and four corner bars <b>20</b> disposed at four corners of the shelf <b>10</b>; wherein the shelf <b>10</b> comprises four transversal boards <b>11</b>, <b>12</b> adjacent to the corner bars <b>20</b> and a bottom board <b>13</b> disposed under the transversal boards <b>11</b>, <b>12</b>. The shelf <b>10</b> has two corresponding transversal boards <b>11</b> with two installing surfaces <b>21</b>, <b>22</b>, and the bottom board <b>13</b> has a positioning hole <b>131</b> at the position of the installing surfaces <b>21</b>, <b>22</b>. A positioning member <b>30</b> is disposed between the shelf <b>10</b> and the corner bars <b>20</b>, and has an installing surface <b>31</b> coupled to the installing surfaces <b>21</b>, <b>22</b> of the corner bars <b>20</b>. A limit bolt <b>32</b> is extended from the positioning hole <b>131</b> of the positioning member <b>30</b> to form the positioning and supporting relation of the shelf <b>10</b> and the corner bars <b>20</b>. A positioning hole <b>211</b>, <b>111</b> is disposed on the installing surfaces <b>21</b>, <b>22</b> of the corner bars <b>20</b> and the transversal boards <b>11</b>, <b>12</b>. A fastening member <b>40</b> passes through the positioning hole <b>211</b>, <b>111</b> to constitute the coupling relation of the shelf <b>10</b> and the corner bars <b>20</b>. During assembly, it only required to place the shelf <b>10</b> between the four corner bars <b>20</b>. By the limit bolt <b>32</b> being partially extended from the top of the installing surface <b>31</b> of the positioning member <b>30</b>, the remaining portion at the top of the installing surface <b>31</b> is the blocking surface <b>33</b> for supporting the shelf <b>10</b>. Therefore, when the bottom board <b>13</b> of the shelf <b>10</b> uses the positioning hole <b>131</b> to connect the limit bolt <b>32</b>, the bottom board <b>13</b> is supported by the blocking surface <b>33</b>. In <figref idref="DRAWINGS">FIG. 4</figref>, it obviously shows that since there is no component blocking the transversal boards <b>11</b>, <b>12</b> of the shelf <b>10</b> and the installing surfaces <b>21</b>, <b>22</b> of the corner bars <b>20</b>, and, therefore it provides a better attaching effect. Then, the fastening member <b>40</b> is used to pass through the positioning holes <b>211</b>, <b>111</b>. The fastening member <b>40</b> comprises a screw, a washer, and a nut; wherein the positioning hole <b>211</b> disposed on the installing surfaces <b>21</b>, <b>22</b> is a rectangular adjusting hole for providing sufficient space to secure and fine tune the fastening member <b>40</b>.

0014Refer to <figref idref="DRAWINGS">FIG. 2</figref> for a view of the assembly and compare such assembly with the prior art as shown in <figref idref="DRAWINGS">FIG. 1</figref>. The corner bars <b>20</b> according to the present invention does not come with a bolt design, and thus maintains a full rigidity. The positioning effect of the positioning member <b>30</b> according to the present invention is achieved by the bottom board <b>13</b> together with the limit bolt <b>32</b> and the positioning hole <b>131</b>, and thus will not cause any gap. Furthermore, the design of the blocking surface <b>33</b> provides the effect of supplementing the support of the shelf <b>10</b> in addition to the coupling effect with the fastening member <b>40</b>.

0015While the invention has been described by way of example and in terms of a preferred embodiment, it is to be understood that the invention is not limited thereto. To the contrary, it is intended to cover various modifications and similar arrangements and procedures, and scope of the appended claims therefore should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements and procedure.