JP4416478B2 - Cover device for wiring apparatus - Google Patents

Description

  TECHNICAL FIELD The present invention relates to a wiring device cover device, and more particularly to a wiring device cover device that covers a wiring device such as a switch or an outlet so that it cannot be touched except during operation.

In recent years, the Building Standards Law has been revised as a countermeasure against sick houses for wooden houses, and it has become mandatory to install ventilation equipment that constantly replaces indoor air. As a countermeasure, housing manufacturers have installed ventilation devices that operate 24 hours a day, such as ventilation fans. I had to plan. However, a power switch is inevitably necessary because the power must be turned off during maintenance or long-term absence of the ventilation fan. To prevent this power switch from being turned off while the ventilation fan is operating, There is a need to provide a cover. The cover must have a structure that covers the front face of the switch and can be opened and closed when the switch is operated. A cover device for a wiring apparatus having such a structure has already been proposed (for example, Patent Document 1).
No. 4-7620

  The problem to be solved by the present invention is that the above-described cover device for a wiring apparatus is capable of opening and closing the cover because the hinge part of the cover is provided on both sides of the upper part of the cover and the hinge part is visible from the front. It is easy to confirm and aesthetically unfavorable, and the opening / closing moderation mechanism that urges the opening and closing of the cover requires parts such as springs, which also takes time in parts management and assembly processes. It was a point.

  The present invention solves the above problems, is aesthetically pleasing, can open and close the cover without requiring extra parts, and simplifies parts management and improves the efficiency of the assembly process. It is an object of the present invention to provide a wiring device cover device that can be used.

In order to solve the above problems, a cover device for a wiring device according to the present invention is attached to a decorative frame fitted into an opening of a cover plate that covers a mounting frame to which a wiring device such as a switch or an outlet is attached, and the decorative frame. a wiring accessory cover device configured by the door member, the said decorative frame provided with an opening for exposing the wiring devices, arranged to be openable and closable door member covering the opening in the decorative frame front, the A locking plate is locked to the mounting frame by a locking piece provided on the locking plate, and a locking claw bent in a hook shape is provided on the front surface of the locking plate. In this case, a locking projection that is locked to the locking claw is formed to protrude, and the decorative frame is fixed to the mounting frame via the locking plate .

  According to the first aspect of the present invention, the door member is attached to the decorative frame, and the decorative frame attached with the door member is fitted into the opening of the cover plate that covers the attachment frame to which the wiring device such as a switch or an outlet is attached. To provide a cover device that can be easily attached to a cover device that covers the device, and that does not require any structural processing on the conventional components (wiring device, mounting frame, cover plate), and that is excellent in production efficiency. Can do.

Moreover, even if the door member is opened and closed randomly, the decorative frame is fixed to the mounting frame via the locking plate locked to the mounting frame, so that the trouble that the decorative frame is detached from the cover plate is avoided. be able to.

  A cover device for a wiring device comprising a decorative frame and a door member attached to the decorative frame, a door member fitted to an opening of a cover plate having an opening at the center that covers a mounting frame to which a wiring device such as a switch or an outlet is mounted The decorative frame is formed in a size corresponding to one to three wide handle type switch modules, or a size corresponding to one to three large-angle wiring device modules. An opening that exposes the opening, and a door member that covers the opening is disposed on the front surface of the decorative frame so as to be openable and closable. A portion of the decorative frame that is not covered by the door member is flush with the upper surface of the door member. The projecting portion was formed, and two pivotal support portions that pivotably support the door member so as to be opened and closed were provided on the decorative frame on the back side of the door member.

  FIG. 1 shows an example of a wiring device cover device according to the present invention. A wiring device cover device (hereinafter referred to as a cover device) A is a mounting frame 1 for mounting a wiring device B such as a switch or an outlet (FIG. 2). 2) is attached to the cover plate 2 that covers the frame body portion, so that the wiring device B cannot be seen from the front.

  The cover device A includes a decorative frame 3 attached to the cover plate 2 and a door member 4 attached to the decorative frame 3 so as to be openable and closable. 4, the opening part 10 which exposes the front surface (for example, pushbutton 9 of a switch) of the wiring apparatus B, the shaft support part 11 which pivotally supports the door member 4 so that opening and closing is possible, and the opening and closing operation of the door member 4 are performed. An urging spring portion 12 is formed, and a bulging portion 13 is formed above the shaft support portion 11 so as to be flush with the front surface of the door member 4 when the door member 4 is closed. As shown in FIG. 3B, the bulging portion 13 is for preventing the upper end surface of the attached door member 4 and the attachment structure from being seen from above.

  The shaft support portion 11 is integrally formed with the decorative frame 3 at two locations below the bulging portion 13, and the support shafts 11a formed on the shaft support portion 11 are formed facing outward.

  The spring portion 12 is composed of a substantially U-shaped section disposed in the middle of the shaft support section 11 and is bent forward and backward. The front surface of the distal end of the section 12 is engaged with a door member 4 described later. An engagement protrusion 12a that engages with the piece 24 is formed (see FIG. 4B).

  And the fitting protrusion 17 which fixes the decorative frame 3 to the cover plate 2 by fitting in the both sides | surfaces of the decorative frame 3 by the fitting recessed part 16 formed in the internal peripheral surface of the opening part 15 of the cover plate 2 is carried out. It is formed (see FIGS. 4A and 4C).

  The door member 4 is formed with a knob 20 for opening and closing the door member 4 at the lower part of the front surface, and a window portion 21 for confirming the use state of the wiring device B arranged inside is formed at the center. The window portion 21 is closed with a transparent plate 22 from the back side surface. Engagement edges 23 are formed to project from both sides of the back surface, and an engagement piece 24 is formed to project from the upper center portion to engage with the spring portion 12 of the decorative frame 3 described above. And the upper part of the said engagement edge 23 is formed thickly toward the inner side, The fitting recessed part 25 fitted by the spindle 11a of the shaft support part 11 formed in the decorative frame 3 is formed in the inner surface. (See FIGS. 6 (a) and 6 (c)), the door member 4 can be opened and closed by fitting the fitting recess 25 into the support shaft 11a.

  6A and 6B, reference numeral 26 indicates a fixing pin for fixing the plate 22, and reference numeral 27 indicates a locking portion 18 formed on the decorative frame 3 when the door member 4 is closed. Indicates a hook.

  Further, a locking projection 19 is formed on the back side of the decorative frame 3 as described above. As described above, the engaging protrusions 19 are formed with fitting protrusions 17 for fixing to the cover plate 2 on both side surfaces of the decorative frame 3, but when the door member 4 is opened and closed randomly. In order to strengthen the fixing state of the decorative frame 3 because the fitting recess 16 of the cover plate 2 and the fitting protrusion 17 of the decorative frame 3 are disengaged and the decorative frame 3 may be detached from the cover plate 2. This locking projection 19 is locked to a locking plate 31 fixed to the mounting frame 1 of the wiring device B. As shown in FIG. 2, the locking plate 31 is a fireproof made of a metal plate that covers the opening portion so that fire does not enter from the opening portion where the wiring device A in the opening portion of the mounting frame 1 is not attached. A locking claw 32 is formed on the plate 31 '. As shown in FIGS. 7 (a) and 7 (b), locking pieces 33 to be locked to the mounting frame 1 are formed on both sides and protruded at the center. A section formed by cutting out in a U-shape is bent forward into a hook shape to form a locking claw 32.

  As shown in FIG. 3A, the cover device having the above-described configuration has a fitting recess 25 formed in the upper portion of the engagement edge 23 of the door member 4, and a support shaft formed in the shaft support portion 11 of the decorative plate 3. If it fits to 11a, as shown in FIG.3 (b), the cover apparatus A can be assembled easily.

  The assembled cover device A is formed by fitting the fitting projections 17 formed on both side surfaces of the decorative frame 3 into the fitting recesses 16 formed on the inner peripheral surface of the opening 15 of the cover plate 2. As shown to 1 (a), the cover apparatus A can be easily fixed to the cover plate 2. FIG. At this time, the locking projection 19 that is formed to protrude on the back side surface of the decorative frame 3 is locked to the locking claw 32 formed on the locking plate 31, and the decorative frame 3 is added to the cover plate 2 and the mounting frame 1. It can also be fixed, and can be fixed more strongly.

  In FIGS. 1 and 2, reference numeral 6 denotes a blank lid. When no wiring device is attached to the cover plate 2 other than the cover device A, a part of the opening 15 of the cover plate 2 is opened. Therefore, it is for closing the open portion, and is not necessary when a wiring device such as a switch is attached to this portion.

  The cover device A fixed to the cover plate 2 as described above can be opened by pulling the knob 20 and pulling the door member 4 forward. When the door member 4 is opened from the state shown in FIG. 8A, the engagement piece 24 formed to protrude from the upper part on the back side of the door member 4 is formed on the decorative frame 3 as shown in FIG. 8B. The spring member 12 is engaged with the engagement protrusion 12a and is rotated while bending the spring portion 12 backward, and the opening / closing operation is urged by the elasticity of the spring portion 12 so that the door member 4 smoothly moves. Can be opened and closed. Moreover, when the door member 4 is completely opened, the spring portion 12 engages with the upper end surface of the door member 4 and acts to press the door member 4 against the support shaft 11a as shown in FIG. 8C. Therefore, the door member 4 is kept open.

  As described above, according to the cover device A of the present invention, the cover device A can be attached to the cover plate 2 without any modification to the conventional parts (wiring device B, mounting frame 1, cover plate 2). In addition, since a spring for biasing the opening / closing operation of the door member 4 is not required, the number of components can be minimized, and the cover can be easily managed and the assembly work can be simplified. An apparatus can be realized.

(A) (b) is a perspective view explaining the cover apparatus for wiring apparatuses which concerns on this invention The exploded perspective view explaining the assembly state of the cover apparatus for wiring apparatuses (A) (b) is a perspective view which shows the state which attaches a door member to a decorative frame (A)-(c) is a rear view of a decorative frame, an XX sectional view, and a YY sectional view (A) (b) is a front view explaining the state which closed and opened the door member (A)-(c) is a rear view of a door member, XX sectional view, and YY sectional view (A) and (b) are the front side perspective views and back side perspective views explaining the relationship between the decorative frame and the locking plate. (A)-(c) is principal part sectional drawing which shows the relationship between a door member and a spring part.

DESCRIPTION OF SYMBOLS 1 Mounting frame 2 Cover plate 3 Decorative frame 4 Door member 10 Opening part 11 Shaft support part 13 Bulging part 15 Opening part A Cover apparatus B Wiring equipment

Claims (1)

A wiring device cover device comprising a decorative frame fitted into an opening of a cover plate that covers a mounting frame to which a wiring device such as a switch or an outlet is attached, and a door member attached to the decorative frame,
The decorative frame is provided with an opening for exposing the wiring device, and a door member covering the opening is disposed on the front of the decorative frame so as to be opened and closed.
A locking plate is locked to the mounting frame by a locking piece provided on the locking plate, and a locking claw bent in a hook shape is provided on the front surface of the locking plate. A cover device for a wiring device, wherein a locking projection that is locked to the locking claw is formed on the back surface, and the decorative frame is fixed to the mounting frame via the locking plate .

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