PT101983B - CUSTOMER CHANGE ELECTRICAL FRAME - Google Patents

Abstract

The consumer box comprises a box casing (11) consisting of a frame (11b) solidly attached to a base (11a) which is intended to be fixed to the wall. A plate (1) forms a top section (6) which is designed to receive the electrical apparatus (C,D) which is to be mounted and to form a cover for the box. Two opposed lateral walls (7,8,37,38) of the box casing (11) and/or the top section (6) include guide elements (12) allowing sliding movement of the top section w.r.t. the body of the base, parallel to the side walls. These guide elements cooperate with retaining clips (13-15) provided on the box casing and top section to ensure the provisional retention of the top section on the box casing prior to a permanent fixing.

Description

Description

Customer switching cabinet

The present invention relates to a customer switching cabinet to fix and support at least one electrical appliance, such as a meter and / or a circuit breaker, in a customer's home.

A control switchboard is known, as described in document FR-2 679 356, comprising a housing body, formed by a frame securely fixed to the rear panel, designed to be fixed on a support base, such as a wall , and a mounting plate designed to close this box body and to support the devices to be fixed. Fixing the mounting plate to the housing body is achieved by means of fixing devices, which comprise cylinders securely attached to the housing body, cooperating in engagement with screws that pass through holes provided in the mounting plate. When this switching frame is implemented, its housing body is, first of all, fixed to the support base, and then the necessary wiring assembly is carried out. The mounting plate is then placed on the housing body, and the standard rail profile is placed on the mounting plate. The meter is then attached to the rail and the circuit breaker is finally fixed to the mounting plate, by means of screws, which pass through holes and are screwed into the aforementioned cylinders, at the same time achieving the mounting plate fixation.

However, this method of fixing does not allow you to temporarily attach the mounting plate to the housing body, before the final fixing of said mounting plate, which would allow the installer to carry out certain operations, with the mounting plate installed, for example taking a key of screws to tighten the locking screw.

present invention solves this problem and proposes a framework

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-2X ·> customer switching electrical, of simple design and whose operation mode is optimized, allowing provisional fixing of the mounting plate before fixing the latter, which results in the installer being able to perform operations again at the time of installation or more afternoon.

For this purpose, the object of the present invention is to achieve a customer electrical switchboard to fix and support at least one electrical appliance, such as a meter and / or a circuit breaker, of the type that comprises, on the one hand, a body of box comprising a frame fixed to a rear panel designed to be fixed to a wall or the like, and, on the other hand, a mounting plate designed to receive the appliance or electrical appliances to be fixed and to close said box body in the form of a cover plate, this switching frame being characterized in that the aforementioned mounting plate also comprises a frame, thus forming a cover, and in that the two opposite side panels of said housing and / or cover comprise means of guide, which allow the cover to slide in relation to the box body in a direction parallel to said side panels, said guide means cooperating with block means which are provided partially in the cover and partially in the housing body, to realize the temporary secure retention of the housing in the housing body prior to effective attachment by means of a fixing device.

According to a particular embodiment of the invention, this switching frame comprises at least two locking means displaced in the direction of sliding of the cover.

According to a particular feature, each locking means mentioned above comprises a substantially L-shaped locking element within the housing body, cooperating with the locking element in a complementary manner, provided within the cover.

According to another characteristic, each element of

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-3prison comprises a first flap perpendicular to the rear panel and the side panels, which comprise the guide means, and a second flap, which forms an angle slightly greater than 90 ° with the first, the two second flaps being associated, respectively, the housing body and the mounting plate, oriented towards each other.

According to another characteristic, being designed to support a meter and a circuit breaker, it comprises, in the bottom part of the circuit breaker, a partial volume, isolated from the internal volume of the switching frame by internal dividers, and specially designed to allow the access to the circuit breaker power cables and / or the electronic meter servo-control contacts (programming, heating, etc.).

According to another feature, a cover plate is designed to close the partial volume portion provided in the cover.

According to another characteristic, the internal partitions comprise at least one first partition parallel to the panels, comprising guide means, and at least one second partition parallel to the other panels, the locking means being three in number, one of which is located near the bottom panel of the box body and the cover, the other two originating from the second partitions mentioned above.

According to another characteristic, the bottom panels of the box body and / or cover, comprise holes designed for the passage of cables to the meter and the circuit breaker, while the side panels located on the meter comprise holes for access. to said accountant.

According to another characteristic, the mounting plate comprises, at the top of the devices, an opening designed for the passage of the connecting cables, which connect the meter to the circuit breaker.

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-4According to another characteristic, it further comprises a spacer installed between the mounting plate and the housing body to which it is attached, said spacer covering the aforementioned opening in the fixed position of the cover.

According to another characteristic, the aforementioned spacer comprises a rigid elongated part, which comprises, at its two opposite ends, means for locking the box body, and, approximately, in the middle of its length, a support extending perpendicularly said part and comprising a perforated cylinder at its end.

According to another characteristic, the aforementioned fixing device comprises a screw whose body passes successively through a hole, arranged in the mounting plate, and the cylinder belonging to the spacer, before being screwed into a fixed crosspiece safely in the rear panel of the box body, and whose head presses at least partially on said mounting plate in the tight position.

According to another characteristic, the aforementioned support comprises on its upper face, an offset part designed to receive a corresponding offset part of the mounting plate, located around the aforementioned hole, said mounting plate being able to be moved by sliding between a pressure position against the stop formed by the spacer and a position in which the free end of its offset part is located under the aforementioned screw head.

According to another characteristic, the support comprises on its upper face a protruding part of a semi-anemic shape, and in the tight position the screw head presses, on the one hand, said protruding part and, on the other hand, the end of the offset part of the mounting plate.

According to another characteristic, it also comprises, close to its bottom part, a

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-5 sealing of the mounting plate, provided partially on the mounting plate and partially on the housing body.

According to another characteristic, the spacer comprises at least one projecting element, designed to be destroyed, when the unauthorized sliding of the mounting plate, equipped with the meter and the circuit breaker installed and sealed, is carried out.

But other advantages and features of the invention will be more evident from the following detailed description, referring to the accompanying drawings, given only as examples, and nos ^; ..y which:

Fig. 1 is a perspective view of a customer switchboard according to the invention, in which a circuit breaker and a meter are installed;

Fig. 2 is a view identical to the previous one, without the electrical appliances;

Fig. 3 is an exploded view of the previous figure;

Figs. 4 and 5 are partial sectional views illustrating the bottom part of the switching frame, comprising the means of

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block;

Figs. 6 and 7 are partial perspective views illustrating, respectively, the bottom part of the mounting plate and the bottom part of the box body, each provided with a part of the locking means mentioned above;

Fig. 8 is a partial sectional view, showing the bottom part of the switching frame, equipped with a sealing cylinder, in an unblocked position of the switching frame;

Fig. 9 is a partially sectioned view, from a plane perpendicular to the previous one, in a locked position of the

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-6 switching frame;

Figs. 10 and 11 are partial perspective views, respectively, from the top and bottom, of the part of the mounting plate, which allows the sealing to be carried out;

Fig. 12 is a partial perspective view, showing a cylinder belonging to the box body, in which a male part of the sealing device is placed;

Figs. 13 and 14 are sectional views, showing the fixing device, respectively, in an unblocked position and in a locked position of the mounting plate.

Figs. 15 and 16 are partial perspective views, respectively, from the top and bottom, illustrating the mounting hole for the mounting plate; and Fig. 17 is a partial perspective view, showing a part of the spacer that cooperates with the fixing device.

In Fig. 1, a customer switching board T according to the invention can be seen, which supports on its front panel a circuit breaker D and a counter C, as it appears when it is fixed to a wall surface in the house from a customer.

Referring to Figs. 1 to 3, it can be seen that this switching frame T mainly comprises a housing body 11, a mounting plate 1, a spacer 23 and a cover plate 20.

This housing body 11 is formed by a rear panel 11a attached to a frame 11b, which forms two side panels 7, 8, a top panel 10 and a bottom panel 9. The rear panel 11a comprises four holes 11c, designed to allow to the box body 11 being fixed to the wall. The mounting plate 1 is also formed by a plate la securely attached to a frame 1b, which forms the cover 6, comprising two side panels

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37, 38, a top panel 40 and a bottom panel 39. The two panels 7, 9, 37, 39, of the housing body 11 and the mounting plate 1, comprise holes 22 of a semi-circular shape, designed for allow the passage of cables.

The box body 11 and the mounting plate 1 comprise, respectively, two partial volumes opposite each other F, E, in substantially parallelepiped form, said volumes being delimited by internal dividers 18, 18a, 19, 19a. The partial volume portion E, belonging to the mounting plate 1, is designed to be closed by the cover plate 20, fixed to the mounting plate 1 by means of removable fastening means, not shown. The two side panels 7, 8 and 37, 38 of the housing body 11 and the mounting plate 1 comprise, at their free ends, guide means 12, in the form of grooves, designed to allow relative sliding of the housing body 11 and the mounting plate 1.

The fixing of the mounting plate 1 on the housing body 11 is carried out, on the one hand, by means of locking means 13 to 15 and on the other hand by means of a securing device 17. These locking means 13 to 15, also shown in the figures 4 to 7, are three in number and partly located on the housing body 11 and partly on the mounting plate 1. Each locking means 13 to 15 is formed by two complementary locking elements 13a, 13b, in the form of an L cross-section, respectively, attached to the housing body 11 and the mounting plate 1. Each fastening element 13a, 13b comprises a first flap (a) securely attached to the rear panel la, 11a of the mounting plate or body. box 11, and a second flap (b), which forms an angle slightly greater than 90 ° with the first. The two second flaps (b), respectively associated with the housing body 11 and the mounting plate 1, extend towards each other parallel to the sliding direction of the mounting plate 1. It can be noted that the second flap ( b), associated with the mounting plate 1, forms the bottom panel of a housing (c) of the mounting plate 1 (Fig. 6), in which the second flap (b), associated with the housing body 11, is designed to engage.

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-8 According to the embodiment illustrated in these internal partitions, which delimit comprises an internal partition 18, bottom 9, 39 and the top panel 10, of the mounting plate 1, and a partition as

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// figures, partial volumes E, 18a, parallel to panel 40 of internal box body 11 19, 19a of or perpendicular to these panels. Two of the locking means 14, 15, mentioned above, are partially attached to the first partition 18, associated with the housing body 11, and partially to the first partition 18a, associated with the mounting plate 1. The third 13 of these means is fixed near the bottom panel 9, 39 of housing body 11 or mounting plate 1.

As can be seen in Fig. 3 and more particularly in Figs. 8 to 12, this switching frame T comprises on its bottom part a sealing device 33, partially fixed on the body 11 and partially on the mounting plate 1. This device 33 comprises a part 50, mounted on a cylinder 51, securely joined to the rear panel 11a of the housing body 11, said part 50 being designed to be inserted into a housing 52 provided on the mounting plate 1, when the latter is mounted on the housing body 11. The above mentioned part 50 comprises a hole 53 designed to be moved so as to be in front of the two holes 54, 55, provided, respectively, in two panels, one in front of the other, and which delimit the aforementioned casing 52, in order to allow a wire 56 is inserted (Fig. 9) and sealing is achieved.

As can also be seen in this Fig. 3, the rear panel 11a comprises, located at the level of the two ends of the upper panel 10 of the housing body 11, two latching means 10a, 10b, designed to lock a spacer 23. This spacer 23 is formed mainly by an elongated rigid part 23a, which at its opposite ends comprises hooks 23b, 23c designed to cooperate with the locking means 10a, 10b mentioned above. It comprises in the middle, on the one hand, a guide part 23d, designed to engage pins 10c, securely attached to the rear panel 11a, and

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-9 on the other hand, on a support 32, which comprises an offset top surface 30, which extends perpendicularly to said elongated part 23a, and which comprises, at its free end, a hole 32b facing a perforated cylinder 27, designed to be juxtaposed on a tapered crosspiece 28, attached to the rear panel 11a.

The cylinder 27 and the crosspiece 28 form part of the fastening device 17, mentioned above, which also comprises an orifice 26, as illustrated more particularly in Figs. 15 and 16, provided on the mounting plate 1, and a screw 24. This screw 24 is designed to cooperate with engagement in the hole 26, cylinder 27 and crosspiece 28, mentioned above, as will be explained later.

As can also be seen in Figs. 13, 14 and 17, the aforementioned support 32 comprises, on its upper face, a projecting part 32a with a semi-annular shape, surrounding the orifice 32b.

Referring more particularly to Figs. 3 and 13 to 16, it can be seen that the mounting plate 1 comprises, at the end of its hole 26, a phased part 31, whose shape corresponds to that of 30 of the upper part of the aforementioned support 32, so that it can be superimposed in the latter.

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As best seen in Figs. 13 and 14, after the overlapping of the two offset parts 30, 31, the mounting plate 1 can slide along the support 32 of the spacer 23, the end 31a of the offset portion 31 belonging to the mounting plate 1, which cooperates with the head 29 of screw 24.

As can be seen in Fig. 3, the mounting plate 1 also comprises, in its upper part, an opening 20 designed for the passage of the connection cables between the two devices' C, D. When the mounting plate 1 is placed on the housing body 11, this opening 20 is partially covered by the spacer 23 and, particularly, the opening part 20

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In a manner known per se, this mounting plate 1 comprises holes 60 designed for fixing a fixing rail for meter C and holes 61 designed for fixing the circuit breaker.

It can be noted the presence of protruding elements 57, 58 in the spacer 23 (visible in Fig. 2), designed to inform about an attempt to open the cover 6, as will be explained later.

It should also be noted that the mounting plate 1 can optionally receive a finish.

The assembly of the switching board T, mentioned above, will be briefly described below with reference to the figure. First of all, the cover 6 and the housing 11 are separated from each other and the housing 11 is fixed to the wall. Then, the cables and tubes are inserted and fitted inside the housing body 11. It is then that the counter C and the circuit breaker D are fixed in the cover 6. The connection cables between the devices are connected, run under the cover 6 and they are fixed in this position by means of arrest (not shown), securely fixed to the bottom part of the cover 6. After the spacer 23 has been fixed in the housing body 11, the screw 24 is successively inserted in the cylinder 27 belonging to the spacer 23 and screwed without tightening on the cross member 28, mounted on a reinforcement part 28a belonging to the rear panel 11a. It should be noted that the screw head 29 is then pressed into the semi-annular portion 32a of the spacer 23. The operator then places the cover 6 on the housing body, passing the screw head 24 through the hole 26 of the mounting plate, sliding said cover 6 along side panels of the box body, until the locking parts of the locking means 13 and 15 cooperate. Thus, it can be noted that the locking screw is already placed for the customer before the cover is installed.

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-11At the end of the slide (Fig. 14),

the end 31a of the offset part 31, provided on the mounting plate 1, is located below the screw head 29. The provisional locking of the cover 6 in the box body 11 is then obtained through the locking means, allowing the operator to carry out operations before the cover 6 is fixed, which is achieved by tightening the screw 24. The sealing operation will then only have to be made by passing a wire 56 through the holes 53, 54, 55, provided, respectively, in the crosspiece 50, and in the panels that delimit the casing 52, these holes being in front of each other, when the cover 6 is slid.

The assembly will be completed by placing the cover plate 20 at the bottom of the circuit breaker D, and fixing the cover plates (not shown) associated with the devices. The electrician can then carry out additional operations on the bottom of the two devices, after the cover plate of circuit breaker D and the cover plate of cover 6 have been removed. It should be noted that the mounting plate can be removed and replaced at will without having to remove the screw.

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In the assembled and sealed position of appliances C, D, any attempt to unlock the mounting plate will result in the destruction of the protruding elements (or whistleblowers) 57, 58, which are destroyed by the cover plates of the appliances when they collide with said whipping elements, when the mounting plate 1 is slid.

Naturally, the invention is not limited to the described and illustrated embodiment, which has been given for example purposes only.

On the contrary, the invention covers all equivalents

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-12 technicians of the described means and combinations thereof, if the latter are carried out in the spirit of the invention.

Claims (16)

1 - Customer switching cabinet for fixing and supporting at least one electrical appliance, such as a meter and / or a circuit breaker, of the type comprising, on the one hand, a box body of the type comprising a frame securely attached to a rear panel, designed to be fixed to a wall or the like, and, on the other hand, a mounting plate designed to receive the appliance or electrical appliances to be fixed and to close said housing body, with the shape of a cover plate, characterized in that the mounting plate (1) mentioned above, also comprises a frame (lb), thus forming a cover (6), and the two opposite side panels (7, 8, 37, 38 ) of the box body (11) and / or the cover (6) comprise guide means (12), which allow the cover (6) to slide in relation to the box body (11), in a direction parallel to said side panels (7, 8, 37, 38), cooperating said guide means (12) with means locking elements (13 to 15), partially provided in the cover (6) and partially in the housing body (11) to provisionally secure the housing (6) in the housing body (11), before the actual fixing by means of the device fastening (17). Switching frame according to claim 1, characterized in that it comprises at least two locking means (13 to 15) displaced in the direction of sliding of the cover (6). Switching frame according to claim 1 or 2, characterized in that each of the aforementioned locking means (13 to 15) comprises a substantially L-shaped locking element (13a), provided within the housing body (11), which cooperates with a prison element in a complementary way (13b), provided within the cover (6). Switching board according to claim 3, characterized by each locking element (13a, 13b) 80 090 2135 MFC -2 / 4- comprise a first flap (a) perpendicular to the rear panel (11a) and side panels (7, 8, 37, 38), which comprise the guide means (12), and a second flap (b) , which forms with the first (a) an angle slightly greater than 90 °, the two second flaps (b) being associated, respectively, to the housing body (11) and the mounting plate (1), oriented in the direction one the other. Switching board according to any one of the preceding claims, characterized in that, being designed to support a meter C and a circuit breaker D, it comprises, in the bottom part of the circuit breaker D, a partial volume E, F isolated from the internal volume of the switching board T, by internal partitions (18, 19, 18a, 18b) and specially designed to allow access to the supply cables of circuit breaker D and / or the servo contacts - control of the electronic meter (programming, heating, etc.). ..). Switching frame according to claim 5, characterized in that it comprises a cover plate (20), designed to close the partial volume portion (E) provided in the cover (6). Switching frame according to claim 5 or 6, characterized in that the internal partitions comprise at least one first partition (19, 19a), parallel to the panels (7, 8, 37, 38), comprising guide means (12), and at least one second partition (18, 18a), parallel to the other panels (9, 10, 39, 40), and because the locking means (13 to 15) are three, being one (13) located near the bottom panel (9, 39) of the box body (11) and the cover (6), and the other two (14, 15) originating in the second partitions (19, 19a) mentioned above . Switching board according to any one of the preceding claims, characterized in that the bottom panels (9, 39) of the housing body (11) and / or the cover (6), comprise holes (22), designed for the passage of 80 090 2135 MFC -3/4 cables for counter C and circuit breaker D, while the side panels (7, 37) located on the side of counter C comprise holes (22) for access to said counter C. Switching board according to any one of claims 1 to 8, characterized in that the mounting plate (1) comprises, at the top of the apparatus, an opening (20) designed for the passage of the connecting cables that connect counter C to breaker D. Switching board according to claim 9, characterized in that it comprises, additionally, a spacer (23) installed between the mounting plate (1) and the housing body (11), to which it is attached, covering said spacer (23) the opening (20) mentioned above, in the fixed position of the cover (6). Switching frame according to claim 10, characterized in that the aforementioned spacer (23) comprises a rigid elongated part (23a), comprising, at its two opposite ends, means (23b, 23c) for locking the body of box (11), and, approximately, in the middle of its length, a support (32) which extends perpendicularly to said part (23a) and which comprises a perforated cylinder (27) at its end. Switching frame according to claim 11, characterized in that the aforementioned fixing device (17) comprises a screw 24, the body of which (25) passes successively through a hole (26), adapted in the mounting plate (1 ) and the cylinder (27) mentioned above, before being screwed to a crosspiece (28), fixed to the rear panel of the box body (11), and whose head (29) presses at least partially on said plate assembly (1), in the clamping position. Switching board according to claim 12, characterized in that the aforementioned support (32) comprises, on its upper face, an offset part (30), designed for 80 090 2135 MFC -4 / 4receive a corresponding offset phase (31) of the mounting plate (1), located around the hole (26) mentioned above, the said mounting plate (1) being able to slide in between the pressure position against the stop, formed by the spacer (23), and the position in which the free end (31a), of its offset part (31), is located under the head of the screw (29), mentioned above. Switching frame according to claim 13, characterized in that the support (32) comprises on its upper face a protruding part (32a) of a semi-annular shape, and by, in the clamping position, the screw head (29 ) press, on the one hand, said protruding part (32a) and, on the other hand, the end (31a) of the offset part (31) of the mounting plate (1). Switching board according to any one of the preceding claims, characterized in that it additionally comprises, near its bottom part, a sealing device (33) for the mounting plate (1), partially provided in the mounting plate (1 ) and partially in the box body (11). Switching board according to any one of claims 10 to 15, characterized in that the spacer (23) comprises at least one projecting element (57, 58) designed to be destroyed when unauthorized sliding of the control plate is carried out assembly (1), equipped with sealed C counter and / or D circuit breaker.