JP3160500B2 - 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 applied to general households and the like.

[0002]

2. Description of the Related Art Conventionally, there has been a distribution board in which a pair of support plates are attached to a housing, a device mounting plate is mounted on the pair of support plates with screws, and a switch is mounted on the device mounting plate with screws. .

[0003]

However, this distribution board has a disadvantage that the work of mounting the switch is complicated. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a distribution board that can simplify the work of mounting a switch.

[0004]

According to a first aspect of the present invention, there is provided a distribution board comprising: a housing; a pair of support plates having screw holes and attached in parallel to the housing; An equipment mounting plate mounted on the support plate having a matching screw through-hole, a switch mounted on the equipment mounting plate having a screw insertion hole matching the screw through-hole, and And a mounting screw screwed into the screw hole through the screw insertion hole and the screw through hole.

According to the power distribution panel of the present invention, a screw through-hole matching the screw insertion hole of the switch is formed in the equipment mounting plate, and a screw hole matching the screw through-hole is formed in the support plate. Place the device mounting plate on the support plate, place the switch on the device mounting plate, and screw the mounting screws into the screw holes through the screw insertion holes and the screw through holes to open the support plate, the device mounting plate, and open and close. The mounting operation can be achieved by assembling the switch integrally and further mounting the support plate to the housing, and thus the switch mounting operation can be easily performed.

According to a second aspect of the present invention, there is provided a switchboard according to the first aspect.
The support plate has a projection for positioning the switch, and an opening through which the projection is inserted is formed in the device mounting plate. According to the distribution board of the second aspect, in addition to the effect of the first aspect, when the device mounting plate is mounted on the support plate, the opening is fitted to the projection, so that the device mounting plate can be easily supported. And the screw through hole can be easily aligned with the screw hole, so that the mounting operation can be further speeded up.

According to a third aspect of the present invention, there is provided a switchboard according to the first aspect.
The device mounting plate, a mounting portion to be mounted on the support plate, a central portion depressed between the support plates, and connects the mounting portion and the central portion, wherein the pair of support plates face each other. And a step that allows the edge to abut. According to the distribution board of the third aspect, in addition to the effects of the first aspect, when the device mounting plate and the support plate are combined, the side portion of the support plate can be positioned while being in contact with the step portion. Workability is further improved.

According to a fourth aspect of the present invention, there is provided a distribution board having a housing, a pair of support plates having a screw receiving hole and attached to the housing, and a screw through hole aligned with the screw receiving hole. An equipment mounting plate mounted on the support plate having a bulging portion fitted to the screw receiving hole at an edge of the screw through hole; and a screw insertion hole aligned with the screw through hole. A switch mounted on the device mounting plate, and screwing the swelling portion through the screw insertion hole and the screw through hole to expand the swelling portion so that the swelling portion is inserted into the screw receiving hole. And a mounting screw for retaining and locking.

According to the power distribution board of the fourth aspect, in addition to the effect of the first aspect, the equipment mounting plate can be positioned on the support plate by fitting the bulging portion into the screw receiving hole. The switch mounting work can be further expedited without the need.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, the distribution board includes a body 1 and a cover 4 constituting a housing 70, a main switch 2, a branch switch 3 constituting a switch of the present invention, a support plate 22, and a device mounting plate 50. And

The body 1 is mounted on a mounting surface, has a side wall 5 around it, forms an opening on the front surface, forms a mounting hole 6 on the bottom at the mounting surface, and supports a support plate 22.
The positioning and mounting portion 15 for positioning and fixing the support plate 22 is provided, and a projection 54 for mounting the support plate 22 is formed. Also, hooks 7 and 7 'for detachably engaging the cover 4 are provided on the upper and lower sides of the body 1 in FIG. Hook 7
Are integrally formed, and a hook 7 'is attached with a separate member so that the hook 7' can fall inward through a notch 5a formed in the side wall 5 (FIG. 4). Further, a number of knock-out portions 1 for a wire are provided on an upper side wall 10 of the side wall 5.
1 are formed.

The main switch 2 is an earth leakage breaker, has an open / close handle 8 protruding from the upper surface 30, and has connection terminal portions 9 at both ends. The connection terminal portion 9 is formed lower than the upper surface 30 and protrudes outward. The upper connection terminal portion 9 in FIG. 2 is an input side, and the lower connection terminal portion 9 is an output side. A bottom plate 13 is attached to the bottom surface of the main switch 2 with screws 12,
The bottom plate 13 is connected to a support plate 22 which will be described later, is locked to the positioning / mounting portion 15, and is fixed to the mounting hole 57 'through the screw 14, thereby being mounted to one side of the body 1. Reference numeral 18 denotes a branch connection path having one end connected to the output-side connection terminal 9, and 47 denotes a cover plate of the output-side connection terminal 9.

The branch switch 3 has an opening / closing handle 16 protruding from an upper surface 31 and connection terminals 17 at both ends, and has a bottom surface attached to the body 1 as described later. Is the connection terminal 9 of the main switch 2
Are arranged in parallel with the main switch 2 in two horizontal rows up and down so as to be in the same direction as the connection direction. The pair of support plates 22 have holes 53 serving as screw holes, and are attached side by side to the housing 1. In the embodiment, the support plate 22 has a hole 57 having a
Is formed in the screw hole provided in the projection 54 of the body 1.
4 (FIG. 1). Each support plate 22
A rising portion 51 is bent on both sides of the band plate, and an upper end thereof is bent outward to form a receiving portion 52, and a hole 53 serving as a screw hole is formed therein. The hole 53 is tapped by the installation screw 55 being screwed in, and a female screw is formed to form a screw hole. Further, the support plate 22 has a projection 58 for positioning the branch switch 3, and the projection 58 is integrally formed in an arc shape by bending.

The equipment mounting plate 50 has a screw through hole 56 aligned with the hole 53 and is mounted on the support plate 22. In the embodiment, the placing portion 60 placed on the receiving portion 52 of the support plate 22, the central portion 61 depressed between the support plates 22, and the placing portion 60 and the central portion 61 are connected. And a step portion 62 that allows the opposing edges of the pair of support plates 22 to abut. Further, the opening 59 through which the projection 58 is inserted is formed with the device mounting plate 5.
0.

Here, the branch switch 3 is provided with a screw through hole 56.
It is mounted on the device mounting plate 50 with a screw insertion hole 64 that matches the hole. In the embodiment, the branch switch 3 is mounted on the mounting portion 60 and is positioned on the protrusion 58 protruding from the opening 59. Then, the mounting screw 23 is screwed into the screw hole 53 through the screw insertion hole 64 and the screw through hole 56 at both ends of the branch switch 3, and the branch switch 3 and the branch switch 3 are mounted at the same time.

The connection terminal portion 17 facing between the two rows of branch switches 3 is on the input side, and a bar support 66 is disposed at the center 61 of the equipment mounting plate 50 between the two rows of branch switches 3. are doing. The bar support 66 has a pair of 200 V branch bars 1.
8 and a 100V branch bar 19 therebetween, each end of which is connected to the connection path 18 by a connection screw 21.
Reference numeral 19 is connected to the connection terminal 17 by a connection piece.
40 is a cover plate.

The support 22 is connected to the bottom plate 13 and is locked to the positioning / mounting portion 15 of the body 1 and is mounted with the screw 14. The branch switch 3 is raised by the support member 22 so that the main switch 2 and the branch switch 3 are flush with each other. The main switch 2 and the plurality of branch switches 3 are attached close to the body 1 as described above, and are connected to one side of the inner unit of the body 1 including the main switch 2 and the branch switch 3. A wiring passage 45 extending in the connection direction of the terminal portion 9 is formed, and is led out of the connection knockout portion 11 through the wiring passage 45 from the connection terminal 9 on the output side of the branch switch 3.

The cover 4 has opening and closing handles 8, 16 on its upper surface.
Are provided on the body 1 to cover the main switch 2 and the branch switch 3. That is, the cover 4 is a projection 35 that is detachably engaged with the hook 7.
When the cover 4 is closed, it can be elastically locked by pushing it into the body 1, and when it is removed, the hook 7 '
Is pressed from below to remove the hook 7 'from the projection 35.

According to this embodiment, a screw through-hole 56 matching the screw insertion hole 64 of the branch switch 3 is formed in the equipment mounting plate 50, and the screw hole 53 matching the screw through-hole 56 is formed on the support plate 22. For example, the device mounting plate 50 is mounted on the support plate 22, the branch switch 3 is mounted on the device mounting plate 50, and the mounting screws 23 are screwed through the screw insertion holes 64 and the screw through holes 56. , The support plate 33, the equipment mounting plate 50, and the branch switch 3 are integrally assembled, and the support plate 22 is mounted on the housing 70 to achieve the mounting operation. Work can be done easily.

The support plate 22 has a projection 58 for positioning the branch switch 3, and an opening 59 through which the projection 58 is inserted.
Is formed on the device mounting plate 50, and when the device mounting plate 50 is placed on the support plate 22, the opening 59 is fitted to the projection 58, so that the device mounting plate 50 can be easily positioned on the support plate 22, Since the screw through-hole 52 can be easily aligned with the screw hole 53, the mounting operation can be further speeded up.

Further, the equipment mounting plate 50 connects the mounting portion 60 mounted on the support plate 22, the central portion 61 depressed between the support plates 22, and the mounting portion 60 and the central portion 61. Step 62 that allows the opposing edges of the pair of support plates 22 to abut against each other, so that when the device mounting plate 50 and the support plate 22 are combined, the side portions of the support plate 22 Since positioning can be performed, assembly workability is further improved.

FIGS. 7 and 8 show a second embodiment of the present invention. That is, in the distribution board according to the first embodiment, a screw receiving hole 71 is formed in the support plate 22, and the screw through-hole 56 matching the screw receiving hole 71 is formed in the device mounting plate 50.
The bulging portion 72 fitted in the screw receiving hole 71 is formed by forming the screw through hole 56 at the edge of the screw through hole 56, and the bulging portion 72 is fitted in the screw receiving hole 71. In the state, the mounting screw 2 is inserted through the screw insertion hole 64 of the branch switch 3.
The diameter of the bulging portion 72 is increased by screwing the bulging portion 3 into the bulging portion 72, and the bulging portion 72 is retained and locked in the screw receiving hole 71.

In the embodiment, the bulging portion 72 is not formed with a screw groove, and the tip of the bulging portion 72 is enlarged by screwing the mounting screw 23 into the bulging portion 72 while cutting the screw with the mounting screw 23. Then, it is stopped and locked at the edge of the screw receiving hole 71. According to this embodiment, the device mounting plate 50 is connected to the support plate 22 by fitting the bulging portion 72 into the screw receiving hole 71.
Therefore, the switch mounting work can be further speeded up without requiring any additional positioning means.

The other points are the same as in the first embodiment.
In this embodiment, the bulging portion 72 is formed by forming the screw through hole 56, but a tube portion communicating with the screw through hole 56 may be formed in advance. Further, in the present invention, the screw insertion hole 64 and the screw through hole 53 may be notched.

[0025]

According to the first aspect of the present invention, a screw through-hole matching the screw insertion hole of the switch is formed in the equipment mounting plate.
Since a screw hole matching the screw through hole was formed in the support plate,
For example, the device mounting plate is placed on the support plate, the switch is placed on the device mounting plate, and the mounting plate is screwed into the screw hole through the screw insertion hole and the screw through hole, so that the support plate, the device mounting plate and By assembling the switch integrally and further attaching the support plate to the housing, the mounting operation can be achieved, so that the switch mounting operation can be easily performed.

According to a second aspect of the present invention, in the first aspect, the support plate has a projection for positioning the switch, and an opening through which the projection is inserted is formed in the equipment mounting plate. Therefore, in addition to the effect of claim 1, when the device mounting plate is placed on the support plate, the opening is fitted to the projection, whereby the device mounting plate can be easily positioned on the support plate, and the screw through hole can be screwed. Since it can be easily aligned with the hole, the mounting operation can be further speeded up.

According to a third aspect of the present invention, in the power distribution panel according to the first aspect, the device mounting plate has a mounting portion mounted on the support plate, a central portion depressed between the support plates, And a step portion that connects the central portion and the central portion, and has a step portion that allows the opposing edges of the pair of support plates to be in contact with each other. In this case, since the side portion of the support plate can be positioned while being in contact with the step portion, assembling workability is further improved.

According to the power distribution board of the fourth aspect, in addition to the effect of the first aspect, the equipment mounting plate can be positioned on the support plate by fitting the bulging portion into the screw receiving hole. The switch mounting work can be further expedited without the need.

[Brief description of the drawings]

FIG. 1 is a sectional view of a portion of a branch switch according to a first embodiment of the present invention.

FIG. 2 is a front view showing a state where a cover is removed.

FIG. 3 is an exploded perspective view showing a state where a branch switch is removed from a support.

FIG. 4 is an exploded perspective view of a state before being attached to a body.

FIG. 5 is a perspective view illustrating the positioning of the device mounting plate with respect to the support.

FIG. 6 is an external exploded perspective view of the distribution board.

FIG. 7 is a perspective view illustrating positioning and attachment of a device attachment plate to a support according to the second embodiment.

FIG. 8 is a cross-sectional view of the combined state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 3 Branch switch 4 Cover 22 Support plate 23 Mounting screw 50 Device mounting plate 53 Screw hole 56 Screw through hole 58 Projection 59 Opening 60 Mounting part 61 Center part 62 Step part 64 Screw insertion hole 70 Housing 71 Screw receiving Hole 72 bulge

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-153339 (JP, A) JP-A-56-133711 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H02B 1/40-1/44 H01H 73/06

Claims (4)

(57) [Claims] 1. A housing, a pair of support plates having screw holes and juxtaposed and attached to the housing, and a support plate having a screw through hole aligned with the screw holes. The mounted device mounting plate, a switch having a screw insertion hole aligned with the screw through-hole and mounted on the device mounting plate, and the screw hole through the screw insertion hole and the screw through hole. A distribution board provided with screwed mounting screws. 2. The distribution board according to claim 1, wherein the support plate has a projection for positioning the switch, and an opening through which the projection is inserted is formed in the device mounting plate. 3. The apparatus mounting plate according to claim 1, wherein the device mounting plate connects the mounting portion mounted on the support plate, a central portion depressed between the support plates, and the mounting portion and the central portion. 2. The power distribution panel according to claim 1, further comprising: a step portion capable of abutting the opposite edge of the support plate. 4. A housing, a pair of support plates having a screw receiving hole and attached to the housing, and a screw through hole aligned with the screw receiving hole and fitted in the screw receiving hole. A device mounting plate mounted on the support plate having a bulging portion at the edge of the screw through hole; and a device mounting plate having a screw insertion hole aligned with the screw through hole. Switchgear,
A mounting screw for expanding the diameter of the bulging portion by screwing into the bulging portion through the screw insertion hole and the screw through-hole, and stopping and locking the bulging portion to the screw receiving hole. Board.