JP5784687B2 - Cable rack cover mounting bracket - Google Patents

Description

  The present invention relates to a cover mounting bracket for a cable rack that improves the work of attaching the cover when the cover is fixed to the cable rack.

  Generally, a cable rack used when wiring various cables such as a power trunk line and a communication trunk line is formed in a ladder shape by laying a plurality of child beams between a pair of parent beams. If necessary, a cover is attached along the longitudinal direction of the main beam.

  At this time, the rising cable rack arranged in the vertical direction has a cover attached to the front surface. However, the cover for the rising cable rack has a problem that the number of parts is large and the workability is deteriorated because the means for attaching the cover using the mounting bracket attached to the side surface of the main beam is employed.

  Therefore, various mounting brackets have been proposed for fixing the cover by using the child rack girder. The mounting bracket described in Patent Document 1 includes a tightening nut piece that is locked inside a lip portion formed in an opening of a child girder, a support bracket that is erected outside the lip portion, and a support bracket attached to the nut piece. And a fixing screw for fixing the lip between the fastening nut piece and the support fitting connected by the fixing screw. And the structure which provides a screw hole in the site | part bent at the top part of this support metal fitting, and fixes a cover with the volt | bolt screwed to this screw hole is proposed.

  On the other hand, the mounting bracket described in Patent Document 2 is fixed using the opening of the child girder in the same manner as Patent Document 1, but is a locking portion that is directly locked inside the lip portion of the child girder. It is equipped with. Further, the locking portion includes an attachment portion for attaching the cover, and an integral connecting portion for connecting the attachment portion to the locking portion. And the screw hole is previously formed in the attachment part which attaches a cover, The structure which fixes to a screw hole by screwing to this screw hole from the cover side is employ | adopted.

Japanese Patent No. 3515754 Japanese Patent No. 4048883

  Each of the mounting brackets described in Patent Document 1 and Patent Document 2 employs a configuration that is fixed to the opening of the child girder. However, it is necessary to adjust the position of the mounting bracket in accordance with the position of the screw hole of the cover when fixing to the opening of the child beam, and this adjustment work is extremely troublesome.

  That is, in the mounting brackets described in Patent Document 1 and Patent Document 2, after mounting the mounting bracket on the child girder, the screw holes of the mounting bracket and the screw holes of the cover are aligned with the connecting bolts. It becomes work to do. However, none of the mounting brackets employs an adjusting means for adjusting the mounting position of the mounting bracket to the mounting position of the cover. Therefore, in the work of fixing the cover with the conventional mounting bracket, it is necessary to temporarily fix the mounting bracket to the child girder and adjust the position of the mounting bracket to the correct mounting position when mounting the cover. . After that, the screw holes of the cover are aligned with the screw holes of the mounting bracket, and the connecting bolts are inserted into the screw holes and fixed. However, even if the screw holes overlap, if a slight deviation occurs, The connecting bolt cannot be inserted, and the fixing position of the mounting bracket needs to be adjusted to a more accurate position.

  Moreover, according to the configuration described in Patent Document 2, a configuration is adopted in which the connecting bolt is screwed from the outside of the cover in a state where the screw hole of the mounting bracket and the screw hole of the cover are matched. For this reason, the operator is required to support the cover with one hand while keeping the position of each screw hole aligned, and to tighten the connection bolt through each screw hole with the other hand. As described above, the work of attaching the cover for the cable rack with the conventional mounting bracket requires a great deal of labor.

  Accordingly, the present invention has been created to solve the above-described problems. When attaching a cover to a cable rack, the present invention streamlines the installation work and makes it possible to attach the cable rack very easily. For the purpose of provision.

  In order to achieve the above-mentioned object, the first means in the present invention is a cable rack cover mounting bracket for attaching a cover Q to a cable rack P composed of a parent beam P1 and a child beam P2, and the child beam of the cable rack P. A locking portion 1 that is externally fitted to P2 and is slidably locked to the child girder P2, a positioning portion 2 that is bent and extended from the locking portion 1 and is disposed along the side surface of the parent girder P1, and a positioning portion 2 and a fixing portion 3 that is bent and extended from the distal end portion 2 to fix the cover Q, and the position of the fixing portion 3 is set at the mounting position of the cover Q when the reinforcing portion 4 is brought into contact with the inner side of the main beam P1. It is to be configured to be.

  The second means is that the connecting bolt 5 inserted through the screw hole Q1 opened in the cover Q is fixed to the fixing portion 3 in advance, and the fixing portion 3 installed at the mounting position of the cover Q is connected. The position of the screw hole Q1 of the cover Q is aligned with the tip of the bolt 5.

  In the third means, a reinforcing portion 4 is bent between the positioning portion 2 and the fixing portion 3, and the reinforcing portion 4 is provided inside a reinforcing groove P1a formed along the longitudinal direction of the main beam P1. It is configured to be engaged.

The locking portion 1 of the fourth means is fitted to the lip portion P2a formed in the opening of the child beam P2 and is locked to the inner side of the lip portion P2a of the child beam P2. 7 to be screwed.

The locking portion 1 of the fifth means is formed so as to be fitted from the side surface direction of the lip portion P2a formed in the opening of the child beam P2, and the longitudinal direction of the locking portion 1 and the parent beam P1 It was configured to be fixed to the cable rack P with a reinforcing portion 4 which is bent so as to overlap inside the reinforcing groove P1a formed along the direction and formed between the positioning portion 2 and the fixing portion 3 .

The locking part 1 of the sixth means is externally fitted from the side of the lip part P2a formed in the opening of the child beam P2, and is a fixing screw penetrating from the outside of the parent beam P1 in the direction of the child beam P2. 9, the locking portion 1 is configured to be screwed.

  According to the first aspect of the present invention, when the positioning portion 2 is brought into contact with the inner side of the main beam P1, the position of the fixing portion 3 is set at the mounting position of the cover Q. The mounting bracket of the present invention can be installed at an accurate position where the cover Q is attached only by fixing the locking portion 1 to the sub beam P2 in accordance with 2. As a result, the position adjustment work from the temporary fixing work required for the conventional mounting bracket is no longer necessary, and the workability when fixing the cover to the cable rack has been rationalized. In addition, since the locking portion 1 is configured to be fitted and locked to the child girder P2, the support strength is higher than that of the conventional mounting bracket that is locked to the lip portion P2a of the child girder P2. There is also.

  As in claim 2, the connecting bolt 5 to be inserted into the screw hole Q1 opened in the cover Q is fixed in advance to the fixing portion 3, and the connecting bolt 5 of the fixing portion 3 installed at the mounting position of the cover Q is fixed. By configuring so that the screw hole Q1 of the cover Q is aligned with the tip, the worker can align the screw hole Q1 of the cover Q with the tip of the connecting bolt 5 by the operation of holding the cover Q. Can do.

  Moreover, since the cover Q is locked to the connecting bolt 5 after the connecting bolt 5 is inserted into the screw hole Q1 of the cover Q, the operation of screwing the connecting nut 6 to the connecting bolt 5 can be easily performed. Therefore, unlike the conventional work, there is no need for the troublesome work of inserting the connecting bolt into the screw hole and fixing with the other hand while keeping the position of the cover Q aligned with one hand. Q can be attached very easily.

  As in claim 3, the reinforcing portion 4 is bent between the positioning portion 2 and the fixing portion 3, and the reinforcing portion 4 engages inside the reinforcing groove P1a formed along the longitudinal direction of the main beam P1. By being comprised so that the intensity | strength of the positioning part 2 and the fixing | fixed part 3 can be raised. As a result, even if the load of the cover Q is applied to the positioning portion 2 or the fixing portion 3 via the connecting bolt 5 when the position of the screw hole Q1 of the cover Q is aligned with the tip of the connecting bolt 5, these positioning portions 2 In addition, the deflection and deformation of the fixing portion 3 can be prevented.

  According to the fourth aspect of the present invention, the locking portion 1 is configured to be externally fitted from the lip portion P2a side of the child beam P2 and screwed to the locking nut 7 that is locked to the inner side of the lip portion P2a of the child beam P2. As a result, the locking portion 1 can be slid along the sub-girder P2 and adjusted to an accurate position, and then firmly fixed by the locking nut 7. Therefore, even when a load is applied to the locking portion 1 via the connecting bolt 5 when the position of the screw hole Q1 is aligned with the tip of the connecting bolt 5, the displacement of the locking portion 1 can be prevented.

  According to the fifth aspect, the locking portion 1 is formed so as to be fitted from the side surface direction of the lip portion P2a of the child spar P2, and overlaps from the direction of the child spar P2 inside the locking portion 1 and the reinforcing groove P1a. Since the reinforcing part 4 is configured to be fixed to the cable rack P, the locking part 1 can be fixed only by sliding the locking part 1 along the child beam P2 and adjusting it to an accurate position. . As a result, the fixing operation of the locking portion 1 becomes extremely easy.

  According to claim 6, the locking portion 1 is externally fitted from the lip portion P2a side of the child beam P2, and the locking portion 1 is screwed by the fixing screw 9 penetrating from the outside of the parent beam P1 in the child beam P2 direction. By being configured as described above, the locking portion 1 can be slid along the sub beam P2 and adjusted to an accurate position, and then firmly fixed by the fixing screw 9. Therefore, when the position of the screw hole Q1 is aligned with the tip of the connecting bolt 5, even if a load is applied to the locking portion 1 via the connecting bolt 5, the displacement of the locking portion 1 can be prevented. It is.

It is a disassembled perspective view which shows the use condition of this invention. It is a perspective view which shows the use condition of this invention. It is a disassembled perspective view which shows one Example of this invention. It is a perspective view which shows the use condition of one Example of this invention. It is a top view which shows the use condition of one Example of this invention. It is a disassembled perspective view which shows the other Example of this invention. It is a perspective view which shows the mounting state of the other Example of this invention. It is a disassembled perspective view which shows the other Example of this invention. It is a perspective view which shows the mounting state of the other Example of this invention.

  According to the present invention, when the cover is attached to the cable rack, the initial purpose of streamlining the attaching operation and attaching the cable rack very easily has been achieved.

  Examples of the present invention will be described below. The present invention is a mounting bracket for attaching a cover Q to a cable rack P composed of a main beam P1 and a child beam P2. The basic configuration of the present invention includes a locking portion 1, a positioning portion 2, a fixing portion 3 and the like (see FIG. 1).

  The locking portion 1 is a portion that is externally fitted and locked to the child beam P2 of the cable rack P, and the positioning portion 2 is bent and extended from the end portion of the locking portion 1 (see FIG. 3). The illustrated locking portion 1 is shown as a locking portion 1 that is externally fitted from the lip portion P2a side of the child beam P2 and screwed to a locking nut 7 that is locked inside the lip portion P2a of the child beam P2. ing.

  That is, a pair of upper and lower locking pieces 1A that are externally fitted to the child beam P2 from the lip part P2a side of the child beam P2, and further, an engagement plate 1B that contacts the outside of the lip part P2a of the child beam P2 between the locking pieces 1A (See FIG. 4). Then, the locking bolt 8 is screwed to the locking nut 7 from the screw hole 1Ba opened in the engagement plate 1B. The locking part 1 slides the locking piece 1A along the sub-girder P2, and when the positioning part 2 is overlapped inside the parent girder P1, the locking bolt 8 is tightened to fix the locking part 1 to the lip part P2a. It is to be fixed.

  The positioning portion 2 is a portion that is disposed along the side surface of the main beam P1, is bent from the locking portion 1, and is a portion that positions the position of the fixing portion 3 (see FIG. 3). The fixed portion 3 is bent and extended from the distal end portion of the positioning portion 2. When the positioning portion 2 is brought into contact with the inner side of the main beam P1, the fixing portion 3 is set to be the attachment position of the cover Q (see FIG. 5). In addition, the positioning part 2 is in contact with a state in which a part of the positioning part 2 is in contact with the parent beam P1, a state in which a part of the positioning part 2 is overlapped with the side surface of the parent beam P1, and a side surface of the parent beam P1. This means all the states where the entire positioning unit 2 overlaps. In the example of illustration, it has comprised so that the positioning part 2 and the reinforcement part 4 mentioned later may overlap with the inner surface of the main beam P1 (refer FIG. 4).

  The fixing part 3 is a part for fixing the cover Q via the connecting bolt 5. In the illustrated example, the fixing part 3 is fixed in a state where the connecting bolt 5 is erected in advance on the fixing part 3. And it comprises so that the screw hole Q1 of the cover Q may align with the front-end | tip of this connection bolt 5 (refer FIG. 1). That is, the fixing portion 3 is installed at the attachment position of the cover Q by the positioning portion 2, the cover Q is attached to the tip of the connecting bolt 5 of the fixing portion 3 with the position of the screw hole Q 1 of the cover Q, and the cap nut It fixes with the connection nuts 6 etc. (refer FIG. 2).

  The reinforcing part 4 is a part that is bent between the positioning part 2 and the fixing part 3. And the intensity | strength of the positioning part 2 and the fixing | fixed part 3 is raised by engaging the reinforcement part 4 inside the reinforcement groove | channel P1a formed along the longitudinal direction of the main beam P1 (refer FIG. 5). The illustrated reinforcing portion 4 is configured such that an end portion of the reinforcing portion 4 bent in a U-shape is engaged inside a reinforcing groove P1a formed along the longitudinal direction of the main beam P1. is there.

  The locking portion 1 shown in FIGS. 6 and 7 is formed so as to be fitted from the side surface direction of the lip portion P2a of the child beam P2. And this latching | locking part 1 and the reinforcement part 4 engaged inside the reinforcement groove | channel P1a of the main beam P1 are comprised so that it may install in the cable rack P (refer FIG. 7). The illustrated locking portion 1 is formed with an inverted L-shaped locking piece 1A that is bent and extended from the upper end portion of the engagement plate 1B that contacts the outside of the lip portion P2a of the child beam P2 (see FIG. 6). And the latching | locking part 1 is externally fitted from the upper direction of the child beam P2 (refer FIG. 7 (A)). Then, the locking piece 1A and the engagement plate 1B are locked to the child beam P2, and the position where the positioning portion 2 is superimposed on the inner side of the parent beam P1 is the installation position of the fixing portion 3 (FIG. 7 (B )reference). In the example of illustration, the state which fitted the latching | locking part 1 from the child girder P2 in the state which match | combined the positioning part 2 with the inner side of the parent girder P1 is shown.

  8 and 9 is externally fitted from the lip portion P2a side of the child beam P2, and the locking portion 1 is screwed by a fixing screw 9 penetrating from the outside of the parent beam P1 in the child beam P2 direction. It is configured to be stopped (see FIG. 9). The illustrated locking pieces 1A are paired so as to be locked to the upper and lower side surfaces of the child beam P2, and each locking piece 1A is opened with a screw hole 1Aa (see FIG. 8). Then, the locking piece 1A is externally fitted to the child beam P2 from the lip portion P2a side of the child beam P2, and is slidably locked (see FIG. 9 (A)). Further, when the positioning portion 2 is superimposed on the inner side of the main beam P1, the locking portion 1 is screwed with a fixing screw 9 (see FIG. 9B). The fixing screw 9 shown in the figure uses a tapping screw or the like that penetrates the main beam P1 from the outside of the main beam P1.

  The shapes of the locking portion 1, the positioning portion 2, the fixing portion 3, the reinforcing portion 4 and the like are not limited to the illustrated examples, and may be changed to other shapes as long as the gist of the present invention is not changed. Is possible. The cable rack using the mounting bracket of the present invention is not limited to a rising cable rack, and can be used as appropriate when a cover is attached to a horizontal cable rack.

P Cable rack P1 Master girder P1a Reinforcement groove P2 Child girder P2a Lip part Q Cover Q1 Screw hole 1 Locking part 1A Locking piece 1Aa Screw hole 1B Engagement plate 1Ba Screw hole 2 Positioning part 3 Fixing part 4 Reinforcing part 5 Connecting bolt 6 Connecting nut 7 Locking nut 8 Locking bolt 9 Fixing screw

Claims (6)

  In a cable rack cover mounting bracket for attaching a cover to a cable rack composed of a parent girder and a child girder, an engaging portion that is fitted on the child girder of the cable rack and is slidably engaged with the child girder, A positioning part that is bent and extended from the stop part and is arranged along the side face of the main girder, and a fixing part that is bent and extended from the front end part of the positioning part to fix the cover, and abuts the positioning part inside the main girder A cover mounting bracket for a cable rack, characterized in that the position of the fixing portion is installed at the mounting position of the cover when the cover is attached.   A connecting bolt that is inserted into a screw hole that is opened in the cover is fixed in advance to the fixing portion, and the screw hole position of the cover is positioned at the tip of the connecting bolt of the fixing portion that is installed at the mounting position of the cover. The cover mounting bracket for a cable rack according to claim 1, wherein the two are combined and fixed with a connecting nut.   The cable rack according to claim 1, wherein a reinforcing portion is bent between the positioning portion and the fixing portion and is engaged with a reinforcing groove formed along a longitudinal direction of the main beam. Cover mounting bracket. The locking portion is configured to be externally fitted from the lip portion side formed in the opening portion of the child beam and to be screwed to a locking nut that is locked inside the lip portion of the child beam. Item 1. A cable rack cover mounting bracket according to Item 1. The locking portion is formed so as to be fitted from the side surface direction of the lip portion formed in the opening portion of the child girder, and a reinforcing groove formed along the longitudinal direction of the locking portion and the parent beam . 2. The cable rack cover mounting bracket according to claim 1, wherein the cover is fixed to the cable rack with a reinforcing portion that is bent so as to overlap inside and formed between the positioning portion and the fixing portion . The locking part is fitted from the lip part side formed in the opening of the child girder, and the locking part is screwed with a fixing screw penetrating from the outside of the parent girder in the direction of the child girder. The cable rack cover mounting bracket according to claim 1 configured as described above.

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