JPH0536886U - Channel base mounting structure - Google Patents

Abstract

(57) [Summary] [Purpose] The channel base can be easily attached to the bottom of the housing by work from the outside of the housing without using bolts, and even if the channel base is not attached, the housing Providing a channel-based mounting structure that does not easily damage the bottom surface. [Structure] The housing 18 is provided with a handle portion 20 on an upper surface 19 and a hook portion 23 on a bottom surface 22, and the handle portion 20 and the hook portion 23 are connected to each other inside the housing 18 to connect the handle portion 20 with the handle portion 20. Connecting rod 25 for transmitting rotation to the hook portion 23
The channel base 11 is provided with a hole 13 on the surface 12 facing the bottom surface 22 of the housing, and the hook 23 has a shape insertable into the hole 13 and is inserted into the hole 13. Surface 1 when rotated by a predetermined angle
The shape is such that it comes into contact with the surface on the opposite side of 2 and is prevented from coming off from the hole 13.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a channel base mounting structure capable of easily mounting a channel base on a bottom surface of a housing for housing electronic devices.

[0002]

[Prior Art]

 6 to 9 show a conventional channel base mounting structure. In the structure shown in FIGS. 6 and 7, the channel base 1 is formed by a frame having a U-shaped cross section, the bottom plate portion 1a is fixed to the bottom surface 3 by the bolts 2, and the top plate portion 1b is an electronic device. It is configured to be fixed to the bottom surface of the housing 4 for storage with bolts 5.

According to this structure, it is necessary to open the door 51 of the housing 4 and perform bolting work inside the housing 4, which is complicated. In addition, it is necessary to secure a work space in the housing 4, and it is not possible to mount electronic devices (not shown) in the housing 4 in high density in terms of work efficiency. If the electronic devices are densely mounted in the housing 4, some electronic devices are removed to secure a work space, and after the mounting work is completed, the electronic devices are mounted in the housing 4 again. It required complicated work.

Further, when the channel base 1 is sent first due to local work, the bottom surface of the housing 4 is in direct contact with the floor, and the bottom surface is easily damaged.

In the structure shown in FIG. 8 and FIG. 9, the channel base 7 has a bottom plate portion 7a fixed to the floor surface 3 and an upper plate portion 7b fixed to the bottom surface of the housing. .. Therefore, since the bolt tightening work can be performed from the outside of the housing 4, no work space is required inside the housing 4. However, since the bolts 2 and 5 are exposed to the outside, the appearance cannot be said to be good, and the work of tightening the bolt 5 from below was complicated. Similar to the structure shown in FIGS. 6 and 7, the bottom surface of the housing was easily damaged when the channel base 7 was not attached.

[0006]

[Problems to be solved by the device]

 As described above, conventionally, the channel base is configured to be attached to the housing by bolting, and the attaching work is complicated. Also, the bottom of the housing was easily damaged when the channel base was not attached. Further, in the structures shown in FIGS. 6 and 7, there is a problem that the bolt tightening work must be performed inside the casing, and in the structures shown in FIGS. 8 and 9, there is a problem that the bolt is exposed to the outside.

The present invention has been made in order to solve such a conventional drawback, and a channel base can be attached to the bottom surface of the housing by a work from the outside of the housing without using a bolt, and moreover, the channel can be attached. An object of the present invention is to provide a channel base mounting structure in which the bottom surface of the housing is not easily damaged even when the base is not attached.

[0008]

[Means for Solving the Problems]

 According to the present invention, in a channel base mounting structure in which a channel base is mounted on a bottom surface of a housing for housing an electronic device, a handle portion is projected on an upper surface of the housing and a hook portion is mounted on the bottom surface. And a connecting rod that connects the handle portion and the hook portion and transmits the rotation of the handle portion to the hook portion is provided inside, and the channel base is connected to the bottom surface of the housing. A hole portion is provided that penetrates from the first surface facing to the second surface facing the first surface, and the hook portion has a shape insertable into the hole portion and is inserted into the hole portion. At the position rotated by a predetermined angle in this state, the second surface is in contact with the second surface and the second surface is prevented from coming off the hole.

[0009]

[Action]

 In the present invention, the housing bottom is placed by placing the housing on the channel base with the hook of the housing inserted into the hole of the channel base and rotating the handle of the housing by a predetermined angle. The channel base is attached to.

[0010]

【Example】

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

FIG. 1 is an exploded perspective view of a housing and a channel base according to the present invention, and FIG. 2 is a sectional view taken along the line II-II of FIG. 1 with a channel base mounted on the housing. , (A) shows the hook before rotation, (b) shows the hook after rotation, FIG. 3 is a sectional view taken along the line III-III of FIG. 2 (b), and FIG. 4 is an enlarged perspective view of the main part of FIG. FIG. 5 is an enlarged view of the circle portion A in FIG. 2 (b).

As shown in FIG. 1, the channel base 11 according to the present invention is formed by a frame having a U-shaped cross section, and the upper plate 12 is provided with square holes 13 at four positions, and a lower hole is formed. The plate portion 14 is fixed to the floor surface 16 with bolts 15.

The housing 18 mounted on the channel base 11 is provided with the handle portions 20 projecting from the four corners of the upper surface 19, the hook portions 23 projecting from the bottom surface 22, and the handle portion is provided inside. A connecting rod 25 for connecting the 20 and the hook portion 23 is provided. Further, mounting plates 28 having screw holes 27 are provided on the left and right sides of the front surface of the casing 18, and the electronic device 29 is screwed to the mounting plate 28 and stored in the casing 18. Incidentally, 31 is a door of the housing 18.

As shown in FIGS. 2 and 3, the connecting rod 25 is provided with retaining ribs 25 a and 25 b at both upper and lower ends, and an upper end portion 25 c is a hole portion 19 a provided on the upper surface 19 of the housing. Has been inserted into.

The handle portion 20 is configured by an eyebolt so that the housing 18 can be suspended, and the handle portion 20 is fixed to the upper end surface of the connecting rod 25 with a screw 33.

The hook portion 23 is provided with a columnar portion 34 at the upper part, and the columnar portion 34 is inserted into the hole 22 a provided in the bottom surface 22 of the housing and fixed to the lower end surface of the connecting rod 25 with a screw 36. It is worn. Therefore, the hook portion 23 is fixed to the handle portion 20 via the connecting rod 25, and when the handle portion 20 is rotated, the hook portion 23 also rotates. As shown in FIG. 4, the hook portion 23 is sized and shaped so that it can be inserted into the hole portion 13. When the hook portion 23 is inserted into the hole portion 13 and rotated by about 90 °, the hook portion 23 is shown in FIG. As described above, the inclined surface 23a contacts the back surface (second surface) 12a of the upper plate portion 12 and presses the front surface (first surface) 12b of the upper plate portion 12 toward the housing bottom plate 22.

With the above-described structure, when the housing 18 is attached to the channel base 11, the housing 20 is hung by using the eyebolt-shaped handle portion 20 and hooked. The housing 18 may be placed on the channel base 11 with the portion 23 inserted into the hole 13 of the channel base 11, and the handle portion 20 may be rotated by about 90 °. Thus, the bottom surface 22 of the housing is brought into close contact with the upper plate portion 12 of the channel base 11, and the housing 18 is attached to the channel base 11.

As described above, according to the mounting structure of this embodiment, the housing 18 can be fixed to the channel base 11 by a simple operation of inserting the hook portion 23 into the hole and rotating the handle portion 20. Therefore, a bolt for fastening the housing is not required, and all the work can be performed from outside the housing 18. Even when the channel base 11 is not attached, the hook portion 23 projects from the bottom surface 22 of the housing, and the hook portion 23 serves as a leg of the housing 18. Is hard to damage. Further, since the connecting rods 25 provided at the four corners inside the casing 18 serve to reinforce the casing 18, the strength of the casing 18 is increased, and the connecting rod 25 is used for clamping the cable. Can also be used.

[0019]

[Effect of the device]

 As described above, according to the mounting structure of the present invention, the housing is placed on the channel base while the hook of the housing is inserted into the hole of the channel base, The channel base can be attached to the bottom of the case by simply rotating the handle provided on the upper part by a predetermined angle, so the work of attaching the channel base can be done easily from the outside of the case, and also for fastening. You don't even need a bolt. Also, even if the channel base is not attached to the case, the hooks act as legs, so the bottom of the case is not easily damaged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a housing and a channel base according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line II-II of FIG. 1 in a state where the housing is placed on the channel base, (a) before rotation of the hook portion,
FIG. 6B is a diagram showing the state after the rotation of the hook portion.

FIG. 3 is a sectional view taken along line III-III of FIG.

FIG. 4 is an enlarged perspective view of a main part of FIG.

5 is an enlarged view of a circle portion A in FIG. 2 (b).

FIG. 6 is an exploded perspective view of a conventional housing and channel base.

7 is a sectional view taken along the line VII-VII in FIG. 6 with the housing and the channel base fixed.

FIG. 8 is a perspective view of another conventional housing and channel base.

9 is a sectional view taken along line IX-IX in FIG.

[Explanation of symbols]

 11 ... Channel base 13 ... Hole 18 ... Case 19 ... Top 20 ... Handle 22 ... Bottom 23 ... Hook 25 ... Connecting rod 12 ... Upper plate 12a ... Second surface 12b ... First surface

Claims (1)

[Scope of utility model registration request] 1. A channel base mounting structure in which a channel base is mounted on a bottom surface of a housing for housing electronic equipment, wherein the housing has a handle portion projecting from an upper surface thereof and a hook portion on the bottom surface. And a connecting rod that connects the handle portion and the hook portion and transmits rotation of the handle portion to the hook portion is provided inside, and the channel base is opposed to the bottom surface of the housing. First to do
Is provided with a hole penetrating from the surface to the second surface facing the first surface, and the hook portion has a shape insertable into the hole portion, and in a state of being inserted into the hole portion. An attachment structure for a channel base, which is shaped so as to come into contact with the second surface at a position rotated by a predetermined angle and to be prevented from coming off from the hole portion by the second surface.