JP2605092Y2 - Switchboard - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a distribution board to which an internal unit such as a breaker is fixed.

[0002]

2. Description of the Related Art A conventional distribution board of this type is composed of a box having an opening on one side from a bottom portion and four sides erected from four sides of the bottom portion, and board frames disposed on opposite sides of the bottom portion. And a substrate that fixes an internal unit such as a breaker and is bridged between the substrate frames, and a lid that closes the opening of the box,
It has.

[0003] The substrate is formed by processing an iron plate so that the entire bottom of the inner unit is opposed to each other, and has a plurality of screw holes for fixing the inner unit such as a breaker for fixing the inner unit. The substrate frame is formed by processing an iron plate thicker than the substrate, and has a plurality of substrate fixing screw holes for fixing the substrate in the longitudinal direction.

[0004]

According to the above-mentioned distribution board, since the board and the board frame are formed by processing an iron plate, there is a problem that the weight is heavy and the assembling work is troublesome.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a distribution board which is light in weight and thereby easy to assemble.

[0006]

According to a first aspect of the present invention, there is provided a power distribution panel including a box having an opening on one surface from a bottom portion and four sides erected from four sides of the bottom portion. A pair of board frames arranged on opposite sides of the bottom,
It has a longitudinal screw groove for fixing an internal unit such as a breaker
Al that bridges both sides in the longitudinal direction between a pair of substrate frames
In a distribution board comprising: a plurality of substrates formed of an extruded material of minium ; and a lid closing an opening of a box, the substrate
Are provided on both sides in the longitudinal direction of the
The board fixing member with the insertion part
There is an attached configuration.

According to a second aspect of the present invention, there is provided a distribution board, wherein the fitting portion of the first aspect further comprises a fixing position of the board in a longitudinal direction of the board frame.
Are provided so as to be displaceable.

According to a third aspect of the present invention, there is provided a distribution board according to the first or second aspect, wherein the insertion portion is formed in a longitudinal direction of the substrate frame.
As a configuration provided with multiple pieces so that the fixed position of the plate can be displaced
is there.

According to a fourth aspect of the present invention, there is provided a switchboard.
The substrate frame according to claim 3, wherein a plurality of screws are provided in a longitudinal direction.
A fixing portion having a hole, to which the substrate fixing member is fixed;
Pairs connected from both sides in the width direction
And a fixing portion having a screw portion that overlaps the screw hole of the fixing portion.
Or a reinforcing portion that abuts the facing portion.
You.

According to a fifth aspect of the present invention, there is provided a distribution board according to the fourth aspect.
The reinforcing part is made of a rigid material that is held in contact with the fixed part.
There is a configuration that was made.

According to a sixth aspect of the present invention, there is provided a distribution board according to the fourth aspect.
The reinforcing part is separated from the fixed piece by a predetermined distance and
There is a configuration.

According to a seventh aspect of the present invention, there is provided a distribution board according to the fourth aspect.
Reinforcement part protrudes in the bottom direction and is connected to the fixed part
There is.

[0013]

According to the distribution board of the first aspect, a pair of substrate boards are provided.
The multiple substrates bridged between the frames are connected to an internal device such as a breaker.
Pressing aluminum with longitudinal screw grooves
The substrate can be reduced in weight because it is made of an extruded material . In addition, fitting portions are provided on both sides in the longitudinal direction of the substrate,
The board fixing member having the insertion portion inserted into the fitting portion of
Since it was attached to the board frame, the length in the longitudinal direction of each board
Even if the dimensions vary, insert the plugs on both sides in the longitudinal direction.
Attached to the substrate frame is inserted into the fitting portion of the substrate fixing member
By doing so, variations can be absorbed.

According to the distribution board of the second aspect, the fitting portion is provided.
Displaces the fixed position of the board in the longitudinal direction of the board frame
Since a plurality of boards are provided so as to obtain the board , the board can be fixed by fitting the fitting section of the board into one of the insertion sections of the board fixing member.

According to the third aspect of the present invention, the insertion portion
Displaces the fixed position of the board in the longitudinal direction of the board frame
Since a plurality of substrates are provided so as to obtain the same, the insertion portion of the substrate fixing member can be inserted into one of the insertion portions of the substrate to fix the substrate.

According to the power distribution board of the fourth aspect, the substrate flexure is provided.
The arm has a plurality of screw holes in the longitudinal direction and the substrate fixing member
The fixed part to be fixed and the bottom from both sides in the short direction of this fixed part
And a screw hole in the fixed part.
Complementary screw that has a screw hole that overlaps with
Since the strong portion is provided, the screw can be screwed into the screw hole of the fixing portion and the screw hole of the reinforcing portion from the substrate fixing member to fix the substrate fixing member.

According to the distribution board of the fifth aspect, the reinforcing portion
Is formed of a rigid material held in contact with the fixed part
Since the screws are screwed from the substrate fixing member into the screw holes of the fixing portion and the screw holes of the rigid material, the substrate fixing member can be fixed.

According to the distribution board of the sixth aspect, the reinforcing portion
Is provided at a predetermined distance from the fixing piece and is continuously provided between the facing portions.
Therefore, the distal end of the screw can be screwed into the reinforcing portion, and the proximal end of the screw can be screwed into the fixing portion.

According to the power distribution board of the seventh aspect, the reinforcing portion
Is fixed to the substrate fixing member by projecting in the bottom direction and being connected to the fixing portion, a screw for fixing the substrate fixing member is screwed into a screw hole formed from the fixing portion to the reinforcing portion. be able to.

[0020]

1 to 8 show a first embodiment of the present invention.
It will be described based on.

1 is a box, which is formed by bending an iron plate.
An opening is formed on one side from the bottom 2 and the side 3 standing upright from four rounds of the bottom 2, and accommodates an inner unit such as a breaker to be described later. The side part 3 is formed in a step shape so that a lid body to be described later is fitted to a tip end thereof.

Reference numeral 4 denotes a substrate frame.
It is arranged on the left and right sides (both sides) of the. This board frame
4 is a fixing portion 5 formed by processing aluminum and having a plurality of screw holes 5a for fixing a substrate fixing member described later in a longitudinal direction extending in the vertical direction of the bottom portion 2 in FIG. 1 (see FIG. 6); Opposite portions 6 and 6 (see FIG. 6) are provided continuously from both sides in the short direction of the fixed portion 5 toward the bottom 2 direction.

[0023] 7 denotes a substrate, that is bridged between the pair of substrates frames disposed on opposite sides 4,4. As shown in FIG.
It has two fitting portions 8 formed in an extruded material of aluminum and having a substantially inverted convex cross section and fitted at both ends in the longitudinal direction with insertion portions of a board fixing member to be described later. Two screw grooves 9 are provided in the direction between the substrate frames 4 and 4 so that the inner unit can be fixed at a predetermined position between the substrate frames 4 and 4. Two slits 11 are formed on the upper surface of the fitting portion 8 for inserting the screw portion of the internal unit fixing screw 10, and the internal unit fixing screw 10 inserted through the slit 11 is screwed into the screw groove 9 to form an internal portion. Fix the container. In order to fix the substrate 7 to the substrate fixing member, the insertion portion of the substrate fixing member is inserted into any one of the insertion portions 8. The substrate 7 is appropriately fixed in accordance with the size (predetermined interval) of the inner unit so that substantially both ends of the inner unit can be fixed.

Reference numeral 12 denotes a lid, which fits on the tip of the side portion 3 formed in a step shape and closes the opening of the box 1.

A substrate fixing member 13 is formed by processing a metal such as aluminum, and is detachably fixed to the substrate frames 4 and 4. As shown in FIG. 3, the substrate fixing member 13 has a fixing portion 14 having a plurality of screw holes 14a and three insertion portions 15 fitted into the substrate 7, and is fixed to the substrate frames 4, 4. You. The insertion portion 15 fixes the substrate 7 in a state in which two adjacent two of the three insertion portions 8 are inserted into the insertion portions 8 of the substrate 7 so that the fixing position of the substrate 7 can be displaced in the longitudinal direction of the substrate frames 4 and 4. . Further, the insertion portion 15 is formed with a screw hole 15a for fixing to the substrate 7 with the substrate fixing screw 16.

Reference numeral 17 denotes an internal unit, which includes a main breaker 18 to which power is supplied from an external circuit, a branch breaker 19 connected from the secondary side of the main breaker 18 and supplying electricity to respective loads (not shown). Neutral switch 20 for connecting the ground side of the circuit connected to the load from this branch breaker 19
And The internal unit does not need to include the main breaker, the branch breaker, and the neutral switch.

Next, a method for fixing the substrate fixing member and the substrate to the substrate frame of the distribution board will be described.

That is, first, the internal unit fixing screws 10 (see FIG. 2) are inserted into both ends of the internal unit 17 between the substrates 7 and 7 in accordance with the fixed position between the frames 4 and 4, and then inserted into the slit 11. The inner device 17 is fixed by being screwed into the screw groove 9. Next, substrate 7
After inserting the insertion portion 15 of the substrate fixing member 13 into the insertion portions 8, 8 formed at both ends of the
The substrate 7 is fixed to the substrate fixing member 13 by being inserted into the screw hole 11 and screwed into the screw hole 15 a and the screw groove 9 of the insertion portion 15. Next, screw 21
Is screwed into the screw hole 14a of the substrate fixing member 13 and the screw hole 5a formed in the substrate frame 4 to fix the substrate fixing member 13 to the substrate frame 4.

[0029] Incidentally, according to this embodiment, both the substrate and the substrate frame is formed of aluminum, the substrate
What is necessary is just to be formed only by aluminum. Also,
According to this embodiment, of the three insertion portions of the substrate fixing member,
The board is fixed to the substrate fixing member by fitting two adjacent insertion portions into the insertion portion, but the number of insertion portions of the substrate fixing member and the number of insertion portions of the substrate are not limited to three and two, respectively. As shown in FIG. 7, one of the insertion portions of the substrate and the insertion portion of the substrate fixing member are plural, and either one is provided in the longitudinal direction of the substrate frame. Any method is applicable as long as the fixed position can be displaced.

Further, as shown in FIG. 8, if the insertion portion of the substrate fixing member is displaced from the bottom toward the opening, the distance between the substrate and the bottom can be freely changed.

Further, according to the present embodiment, the board frame has a plurality of screw holes in the longitudinal direction, and a fixing section to which the board fixing member is fixed, and from both sides in the short direction of the fixing section toward the bottom. It is composed of a series of opposed parts,
As shown in FIG. 9, a rigid material having a screw hole (not shown) that overlaps with the screw hole of the fixed portion and held in contact with the fixed portion
10 (reinforcing portion) is sandwiched between the opposing portions, or as shown in FIG. 10, a reinforcing portion 30 is provided between the opposing portions at an interval (predetermined interval) at which the tip of the screw is screwed from the fixing piece. As shown in FIG. 11 and FIG. 11, when the reinforcing portion 30 protruding in the bottom direction is connected to the fixing portion or the like, the substrate can be firmly fixed. In addition, this reinforcement part can be applied as long as it has a screw hole that overlaps with the screw hole of the fixing part and abuts between the fixing part and the facing part.

[0032]

According to the power distribution board of the present invention, a pair of
A plurality of substrates bridged between substrate frames can be
Aluminum with a longitudinal screw groove for fixing the inner unit
Since the substrate is formed of extruded material, the weight of the substrate is reduced by reducing the weight, and the assembling work is facilitated.
Also, fitting portions are provided on both sides in the longitudinal direction of the substrate, and these fitting portions are provided.
The substrate fixing member having the insertion portion inserted into the
Since it was attached to the frame, the length of each board in the longitudinal direction
Even if there is a variation in the
Insert into the fitting part of the fixing member and attach to the board frame
In this way, variations can be absorbed and the length
Even a slightly different board can be bridged between a pair of board frames.
This has the effect of being able to

According to the distribution board of the second aspect, the fitting portion is provided.
Displaces the fixed position of the board in the longitudinal direction of the board frame
Since a plurality of parts are provided to obtain
The board can be fixed by fitting it into one of the
In addition to the effects of claim 1, the longitudinal direction of the substrate frame
The fixed position of the substrate can be displaced in the direction.

According to the distribution board of the third aspect, the insertion section
Displaces the fixed position of the board in the longitudinal direction of the board frame
Are provided so as to obtain the
The board can be fixed by inserting the insertion part of the fixing member.
In addition to the effects described in claim 1 or claim 2,
Can be displaced.

According to the power distribution board of the fourth aspect, the substrate flexure is provided.
The arm has a plurality of screw holes in the longitudinal direction and the substrate fixing member
The fixed part to be fixed and the bottom from both sides in the short direction of this fixed part
And a screw hole in the fixed part.
Complementary screw that has a screw hole that overlaps with
The screw is fixed from the substrate fixing member because it has a strong part
Screwed into the screw hole of the part and the screw hole of the reinforcing part
The material can be fixed, and according to claims 1 to 3,
In addition to the effect, the substrate can be firmly fixed.

According to the distribution board of the fifth aspect, the reinforcing portion
Is formed of a rigid material held in contact with the fixed part
Since the screws are removed from the board fixing member,
Fix the board fixing member by screwing it into the screw hole of the rigid material.
In addition to the effects described in claim 4, the substrate can be further strengthened.
Can be fixed.

According to the distribution board of the sixth aspect, the reinforcing portion
Is provided at a predetermined distance from the fixing piece and is continuously provided between the facing portions.
Therefore, attach the tip of the screw to the reinforcing part and the base of the screw to the fixing part.
Each of them can be screwed together and fixed,
In addition to the effect, the substrate can be more firmly fixed.

According to the distribution board of the seventh aspect, the reinforcing portion
Is projected to the bottom and connected to the fixed part.
Screws for fixing the plate fixing member extend from the fixing portion to the reinforcing portion.
Screw fixing the substrate fixing member.
In addition to the effect of claim 4, the substrate can be further provided.
Can be fixed firmly.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is an explanatory view showing a method of fixing an inner unit to the substrate of FIG.

FIG. 3 is a front view showing a portion where the substrate is fixed to the substrate frame of FIG. 1;

FIG. 4 is a front view showing a state where the substrate of FIG. 3 is fitted into another insertion portion.

FIG. 5 is a side view of FIG. 4 as viewed from below.

FIG. 6 is a perspective view showing the substrate of FIG. 1;

FIG. 7 is a perspective view showing another substrate having a single fitting portion.

8 is a side view showing a state where a different one is used for the substrate fixing member of FIG.

FIG. 9 is a perspective view showing another substrate frame holding a rigid material (reinforcing material).

FIG. 10 is a perspective view showing a substrate frame in which a reinforcing portion is provided at a predetermined distance from a fixing piece and is continuously provided between opposed portions.

FIG. 11 is a perspective view showing a substrate frame in which a reinforcing portion protrudes in a bottom direction and is connected to a fixing portion.

[Explanation of symbols]

 1 Box 2 Bottom 3 Side 4 Board frame 7 Board 12 Lid 13 Board fixing member 17 Internal unit

Continuation of the front page (56) References JP-A-59-136996 (JP, A) JP-A-48-521 (JP, U) JP-A-62-188905 (JP, U) JP-A-2-49302 (JP) , U) Hikaru 5-62081 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) H02B 1/38-1/48 H02B 1/30-1/32 H02B 1/04 H05K 7/18 H05K 7/14

Claims (7)

(57) [Scope of request for utility model registration] 1. A box having an opening on one side from a bottom portion and four sides erected from four sides of the bottom portion, a pair of substrate frames disposed on opposite sides of the bottom portion, and an inner unit such as a breaker. A pair of board frames having a longitudinal screw groove for fixing
Extruded aluminum bridged longitudinally on both sides
In a distribution board provided with a plurality of substrates formed of a bonding material and a lid closing an opening of a box body , fitting portions are provided on both sides in a longitudinal direction of the substrate , and these fitting portions are provided.
The board fixing member having the insertion portion inserted into the
A distribution board characterized by being attached to a frame . Wherein said fitting portion includes distribution board according to claim 1, wherein the provided plurality to be displaceable fixing position of the substrate in the longitudinal direction of the substrate frame. Wherein the insertion portion has claim 1 or claim 2 distribution panel, wherein the provided plurality to be displaceable fixing position of the substrate in the longitudinal direction of the substrate frame. Wherein said substrate frame includes a fixed portion in the longitudinal direction into a plurality of screw holes includes a substrate fixing member is fixed, which is continuously provided toward the lateral direction on both sides of the fixed portion toward the bottom face The distribution board according to any one of claims 1 to 3 , further comprising: a part; and a reinforcing part having a screw hole overlapping with the screw hole of the fixing part and abutting on the fixing part or the facing part. Wherein said reinforcing portion includes distribution board according to claim 4, characterized in that it is formed by a rigid material that is held in contact with the fixed part. Wherein said reinforcing portion includes distribution board according to claim 4, characterized in that provided continuously between a predetermined distance away facing portion from the fixed piece. Wherein said reinforcing portion includes distribution board according to claim 4, characterized in that provided continuously to the protruding fixing portion toward the bottom portion.