JPH0365036B2 - - Google Patents

Description

[Detailed Description of the Invention] [Summary] A structure for mounting a unit having a mounting hole to a unit mounting column, in which a threaded portion and a stepped portion for engaging the unit are formed at the tip that can be fitted into the mounting hole of the unit. The unit supporting member is fixed to the unit mounting column with its tip protruding from the unit mounting surface, and the unit fixing member, which also serves as a guide member for the unit's mounting hole, is attached to the protruding tip of the unit supporting member when the unit is installed. After screwing into the threaded part of the unit and using the unit fixing member as a guide, fit the mounting hole of the unit into the tip of the unit support part and engage the stepped part, and then tighten the unit fixing member to fix the unit. so that it is fixed,
This simplifies unit installation work and reduces labor.

[Industrial application field]

The present invention mainly relates to a structure for mounting a unit of an electronic device, such as a communication device, to a unit mounting column.

[Conventional technology]

A general example of the conventional unit mounting structure is shown in the 12th section.
13 and 13 are shown in a state before installation and a state in which it is installed, respectively. In the figure, reference numeral 1 indicates a unit, which is formed by fixing a unit main body 1A (indicated by dotted lines) to a mounting plate 1B.
Attachment holes 1C are formed at both left and right end portions of B. Reference numeral 2 designates a unit mounting support made of a pair of left and right L-shaped members, each having a unit fixing hole 2a formed in one flange. To attach unit 1 to column 2, use mounting hole 1C of unit 1.
Align it with the hole 2a of the support post 2, and attach it with the screw 3 to the mounting plate 1B.
This is done by fastening the supports.

[Problem that the invention seeks to solve]

The conventional structure described above has the following problems.

(b) It takes time to align the mounting holes of the unit and the holes of the support.

(b) A tightening tool such as a screwdriver is required to screw the unit.

(c) It is necessary to fix the unit with screws or at least support it manually until it becomes supported, and if the unit is heavy, this may cause worker fatigue and danger.

(d) Therefore, the unit installation work is not easy for one person and requires at least two people.

[Means for solving problems]

The unit mounting structure according to the present invention is fixed to the unit mounting column with the tip protruding from the mounting surface thereof, and the protruding tip can be fitted into the mounting hole of the unit and has a threaded portion and a threaded portion for engaging the unit. A unit support member having a stepped portion, and a unit fixing member that is screwed onto a threaded portion of a protruding tip of the unit support member and also serves as a guide member for a mounting hole of the unit when the unit is installed. This solves the above problems.

[Effect]

According to the above configuration, with the unit fixing member slightly loosened, the unit fixing member is used as a guide to fit the mounting hole of the unit into the unit support member and engage the stepped portion thereof, and then tighten the unit fixing member. The unit is fastened and fixed to the unit mounting column.

〔Example〕

1 and 2 are a sectional view of a first embodiment of a unit mounting structure according to the present invention in an installed state and a perspective view before installation, respectively. In the figure, reference numeral 1 indicates a unit, which is basically the same as that shown in FIG. Reference numeral 10 indicates a pair of left and right unit mounting columns (hereinafter simply referred to as "pillars"), each of which is made of channel-shaped material.

A unit support member 2 is attached to each of the pillars 2 in advance.
0 and unit fixing member 30 (hereinafter simply referred to as "supporting member" and "fixing member", respectively) are attached. As shown in FIG. 3, the support member 20 has a stepped portion 21 for engaging a unit as described later, a threaded portion (female thread) 22, and a cutout 2 for preventing rotation at the tip of the round bar.
3 is formed, and a groove 2 for a snap spring is formed at the rear end.
4 is formed, and the fixing member 30 is a body portion or a knob portion 31 which also serves as a guide for the mounting hole 1C of the unit 1 (see FIG. 1 and FIG. 6a) and a rear end protruding from the rear end. It has a threaded portion (male thread) 32. A vertical groove is formed in the knob portion 31 to prevent slipping.

In particular, as clearly shown in FIGS. 1 and 6b, the support member 20 is fixed to the support column 10 with its tip protruding from the unit mounting surface. That is, as shown in FIGS. 4 and 5, holes 11 and 1 are formed in the front and rear flanges 10a and 10b of the column 10
2 are formed, and support members 20 are inserted into these holes.
is inserted with the stepped portion 21 at the tip protruding from the outer surface of the front flange 10a. Then, the snap spring 25 is fitted into the snap ring groove 25 of the support member 20 to prevent it from coming off backward, and as shown in FIG. (see figure)
The notch 23 itself engages with the straight portion 11a of the oval-shaped hole 11 of the flange 10a to prevent rotation. The fixing member 30 is screwed into the threaded portion 22 at the tip of the support member 20 with its threaded portion 32.

Now, the work of attaching the unit 1 to the support column 10 is carried out as follows. As shown in FIG. 6, first, the fixing member 30 is slightly loosened and returned to the front. Then, the unit 1 is pushed inward as shown by arrow X, with its mounting hole 1C guided by the fixing member 30. Then, the mounting hole 1C fits into the protruding tip of the support member 20, and at the same time, the unit falls into the stepped portion 21 under its own weight as shown by arrow Y and engages with it. Then, when the rotating member 30 is tightened by hand, the mounting plate 1B of the unit 1 is tightened between the support member 30 and the fixing member 30 at the stepped portion 21, thereby fixing the unit 1 to the column 10 as shown in FIG. It will be installed.

As described above, according to the structure of the present invention, the mounting hole 1C of the unit is guided by the fixing member 30 and the unit is fitted into the support member 20, so that alignment is easy. Furthermore, once the mounting hole 1C of the unit is fitted into the fixing member 30, there is no need to support the unit by hand, which reduces labor.Furthermore, once the unit is engaged with the stepped portion of the support member 20, it will no longer fall off. The danger is gone and it is safe. Therefore, the installation work can be easily carried out by one person. Moreover, the fixing member 30 can be tightened by hand, and no tools are required.

In addition, to remove the unit 1 from the support 10,
This can be done simply by loosening the fixing member 30 and then pulling out the unit 1 from the lifted fixing member 30. Even in this case, while loosening the fixing member 30,
Since the unit is supported by the support member 20, it is not necessary to support it by hand, which reduces labor.

Next, FIG. 7 shows a modification of the unit support member. This support member 20A is basically similar to the support member 20 shown in FIG. 3, but has a different structure for preventing forward removal and rotation. In other words, the support member 20A has a side notch 2 like the support member 20.
3 is missing, and instead there is a stepped portion 21 for engaging the unit.
is lengthened, and the front flange 10 of the strut 10 is lengthened.
A straight part 11Aa is formed in the hole 11A of a, and the end surface 21a of the step part 21 engages with the straight part 11Aa of the hole 11A to prevent the part from coming out forward.
1 itself is also formed so as to engage with the straight portion 11a of the hole 11A to prevent rotation. This shape of the support member 20A has the advantage that it is easier to process than the support member 20.

Furthermore, FIG. 8 shows another modification of the unit support member. This support member 20B is the above-mentioned support member 20B.
It is designed so that a part of it can be used in place of this when using . For example, among the four mounting holes 1C of the unit 1 shown in FIGS. 1 and 2, the support member 20 and fixing member 30 shown in FIG. 3 are used for the two upper left and right mounting holes 1C, The support member 20B shown in FIG. 8 is used for the two lower left and right mounting holes 1C. This support member 20B is the support member 20 in FIG.
and the fixing member 30 are integrated, and includes a stepped portion or groove 21B for engaging the unit, a notch 23B for rotation prevention, and a stepped portion 23 for preventing the front side from slipping out.
Ba, has a groove 24 for the snap spring, and the tip part is a guide part 2 for the mounting hole 1C of the unit 1.
6. Although not shown, this is the support member 20 in FIG. 3 and the support member 20 in FIG.
If you attach it to the pillar 10 in the same way as A, unit 1
By guiding the mounting hole 1C along the guide portion 26 and engaging the step portion 21B, the unit 1 can be held in the mounted state. The fixing force of the unit 1 can be ensured by fixing members 30 at two locations on the upper left and right sides.

Next, FIG. 9 is a diagram showing a state in which a unit is attached according to a second embodiment of the present invention. In this embodiment, a supporting member 20C and a fixing member 30A as shown in FIG.
Use. The fixing member 20C has a stepped portion 21 for engaging the unit, a groove 24 for a snap spring, and a threaded portion (male thread) 27 at the tip. As shown in FIG. 9, the support member 20C is
0 with the stepped portion 21 and threaded portion 27 at the tip thereof protruding from the support flange 10a. Hole of flange 10a and support member 20C in this case
The retaining and rotation preventing structure is the same as that of the support member 20A shown in FIG. On the other hand, the fixed member 30
A is a cap nut shape with a threaded part (female thread) on the inside.
32A, and is screwed onto the threaded portion 27 of the support member 20C. A non-slip vertical groove is formed on the outer peripheral surface of the fixing member 30A.

The unit installation work in the second embodiment is similar to that in the first embodiment. That is, as shown in FIG. 11, first loosen the fixing member 30A a little and return it to the front. Then, the unit 1 is guided by the fixing member 30A through its mounting hole 1C, and is pushed inward as shown by the arrow X, so that it is fitted into the tip of the support member 20C.
Then, the mounting plate 1B of the unit falls into the stepped portion 21 of the support member 20C as indicated by arrow Y and engages with it. Therefore, if the fixing member 30 is tightened by hand, the ninth
As shown in the figure, the mounting plate 1B of the unit has a stepped portion 2.
1 between the support member 20C and the fixing member 30A, whereby the unit is fixedly attached to the column.

In the case of the second embodiment as well, for example, a support member 20B similar to the one shown in FIG. (different ones) can be used.

Furthermore, in the first and second embodiments described above, the mounting hole 1C of the unit 1 is connected to the straight part 1Ca (Figs. 6a and 9).
(see Figure a), which can be engaged with the stepped portion of the support member and tightened, but such engagement and tightening is possible even if the mounting hole 1C is made completely circular.

〔Effect of the invention〕

The effects of the unit mounting structure according to the present invention are as follows.

(a) The mounting hole of the unit can be guided by the fixing member and fitted to the support member, making positioning easy.

(b) Once the unit's mounting hole is fitted to the fixing member, there is no need to support the unit by hand.
Labor is reduced.

(c) Furthermore, if the unit is further engaged with the stepped portion of the support member, there is no danger of the unit falling off, and safety is high.

(d) Therefore, the unit installation work can be easily carried out by one person, and the number of work hours can be reduced.

(E) Furthermore, the fixing member can be tightened by hand, and no tools such as a screwdriver are required.
Easy to work with and highly efficient.

[Brief explanation of drawings]

Fig. 1 is a partially sectional side view of the unit mounting state of the first embodiment of the unit mounting structure of the present invention, Fig. 2 is a perspective view of the unit before mounting of the first embodiment, and Fig. 3 is the first embodiment. FIG. 4 is a perspective view of the unit support member and unit fixing member, FIG. 4 is a view taken along the line A-A in FIG. 1, FIG. 5 is a view taken along line B-B in FIG. 7 is a diagram showing a modification of the unit support member, FIG. 8 is a perspective view of another modification of the unit support member, and FIG. 9 is a diagram showing a unit according to the second embodiment of the present invention. A diagram showing the installation state,
Fig. 10 is a perspective view of the unit support member and unit fixing member of the second embodiment, Fig. 11 is an explanatory diagram of the unit installation work of the second embodiment, and Fig. 12 is a perspective view of the conventional unit before installation. FIG. 13 is a partially sectional side view of a conventional unit installed. 1 to 11, 1 is a unit, 1C is a unit mounting hole, 10 is a unit mounting column, 20, 20A, 20B, 20C are unit support members, 21, 21B are unit engagement step portions, 22 27 is a threaded portion (male thread) of the unit support member 20C, 30 and 30A are unit fixing members, 3
2 is a threaded portion (male thread) of the unit fixing member 30;
32A is a threaded portion (female thread) of the unit fixing member 30A.

Claims (1)

[Claims] 1 In a unit mounting structure in which a unit in which a mounting hole is formed is attached to a unit mounting post, the unit is fixed to the unit mounting post with its tip protruding from the unit mounting surface, and the protruding tip fits into the unit's mounting hole. a unit support member which can be fitted together and has a threaded part and a stepped part for engaging the unit; and a guide member which is screwed onto the unit support member and the threaded part of the protruding tip and which guides the mounting hole of the unit when the unit is installed. A unit mounting structure characterized by comprising a unit fixing member that also serves as a unit fixing member.