JPH04289713A - Instrument device - Google Patents

Abstract

PURPOSE:To attach members such as an instrument body 5, a refractory plate 31, and a plate 41 directly to an attaching frame 1. CONSTITUTION:The instrument body 5 is held in the condition of being set in the instrument attaching hole 6 of an attaching frame 1. For the refractory plate 31, the engaging part 33 engages elastically with both sides of the attaching frame 1, and the locking claw of the engaging part 33 hooks on the side of the attaching frame 1. For the plate 41, the locking foot 45 engages with the locking part 22 of the attaching frame 1.

Description

[Detailed description of the invention]

[Object of the invention]

0002

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an appliance device which is a combination of an appliance body such as a switch or an outlet, a mounting frame, a fireproof board, a plate, etc.

0003

[Prior Art] This type of instrument device is known from Japanese Patent Application Laid-open No.
As described in Publication No. 238412, etc., a mounting frame to which a main body of a device such as a switch or an outlet is attached is screwed to an embedded box that is embedded and fixed in a wall surface, etc.
A plate attachment frame is screwed to this attachment frame, and the plate can be attached to this plate attachment frame in a one-touch manner.

[0004] Furthermore, as described in, for example, Japanese Patent Application Laid-Open No. 1-12494, there are cases where a fireproof plate is interposed between the embedded box and the mounting frame, and this fireproof plate is attached with screws. There is.

[0005]

[Problems to be Solved by the Invention] As mentioned above, in conventional appliance devices, the fireproof board or plate combined with the mounting frame requires screws or a special plate mounting frame, and cannot be mounted directly with one touch. was not possible, and assembly workability was poor.

[0006] As described in the above-mentioned publication, there is a structure in which an elastic holding part is integrally formed with a metal mounting frame, and the instrument body can be mounted in a one-touch manner using the elasticity of this holding part. There is. However, the attachment frame is thick to ensure strength, and the elasticity of the holding portion cannot be maintained, so it is not easy to attach the instrument body to this attachment frame.

[0007] Furthermore, the reason why a plate mounting frame is required to mount a plate on a mounting frame is that the mounting positional relationship between the mounting frame and the plate that is mounted directly to the mounting frame using a one-touch method may change. This is because there is. This is because if the surface position of the wall surface where the back of the mounting frame joins and the surface position of the wall surface where the back surface of the peripheral edge of the plate joins changes due to the condition of the wall surface or the presence or absence of wallpaper, the plate can be directly attached to the mounting frame. Even if you try to mount it using a method, the plate's engaging part may not be able to engage with the mounting frame because it cannot absorb changes in the mounting position, or a gap may be created between the plate and the wall surface, causing wobbling. This is to put it away.

[0008] The present invention has been made in view of the above points, and provides an appliance device in which members such as an appliance main body, a fireproof plate, a plate, etc. to be combined with a mounting frame can be directly and easily attached in a one-touch manner. The purpose is to

[Configuration of the invention]

0010

[Means for Solving the Problems] The invention according to claim 1 provides an instrument main body, a mounting frame for mounting the instrument main body, a plate for mounting the mounting frame, and a metal interposed between the mounting frame and the plate. The fireproof plate is provided with an engaging portion that elastically engages with both sides of the mounting frame, and the fireproof plate is provided on one of the engaging portion of the fireproof plate or the side surface of the mounting frame. A locking pawl is provided to maintain the engaged state.

[0011] The invention according to claim 2 comprises an instrument main body, a mounting frame to which the instrument main body is attached, and a plate to be attached to the mounting frame, and the mounting frame has an instrument mounting hole in which the instrument body is fitted in an intermediate portion. A holding member for holding the instrument body is provided along at least one side edge of the instrument mounting hole, and a locking portion is provided with which the plate is removably engaged.

[0012] According to the invention of claim 3, in the invention of claim 2, the plate is provided with an engaging leg that removably engages with the engaging portion of the mounting frame, and the engaging leg is provided with an engagement position with the engaging portion. A plurality of stepped portions are provided to enable adjustment of the height.

[0013]

In the first aspect of the invention, a fireproof plate is interposed between the plate and the mounting frame for attaching the main body of the appliance. This fireproof board is elastically engaged with both sides of the mounting frame while bending to spread the engaging part, and has locking claws provided on either the engaging part of the fireproof board or one of the sides of the mounting frame. By fixing it to the other and holding it in the engaged state, it can be mounted directly to the mounting frame in a one-touch manner.

[0014] In the second aspect of the invention, the instrument main body and the plate are combined with the mounting frame. This instrument body is held by a holding member in a state where it is fitted into the instrument mounting hole of the mounting frame. The plate removably engages with the locking portion of the mounting frame. Both the instrument body and the plate can be attached directly to the mounting frame with a single touch.

According to the third aspect of the present invention, in the second aspect of the invention, the locking legs of the plate engage with the locking portions of the mounting frame, so that the plate can be directly mounted in a one-touch manner. At this time, even if the mounting position of the plate with respect to the mounting frame is different, the engagement position can be adjusted by the stepped part of the locking leg relative to the locking part, so the mounting position relationship can be adjusted by the stepped part of the locking leg. To absorb changes in the temperature and securely attach the plate to the mounting frame.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to FIGS. 1 to 6.

In FIG. 1, 1 is a mounting frame. As shown in FIGS. 3 and 4, this mounting frame 1 includes a mounting frame main body 2 formed in a substantially rectangular frame shape made of metal, and a mounting frame main body 2 formed in a substantially rectangular frame shape made of metal.
It consists of an insulator 3 made of synthetic resin attached to both ends of the mounting frame body 2, and a holding member 4 made of metal attached to one side edge of the mounting frame body 2.

The mounting frame main body 2 is formed with a device mounting hole 6 into which a switch 5 as a device main body is fitted and protrudes from the back side, mounting pieces 7 are formed at both ends, and flange portions 8 are formed on both sides. , 9 are formed. Each mounting piece 7
A horizontally long mounting hole 10 and a screw hole 11 are formed in the center, and engagement edges 12 are formed on both side edges. Furthermore, one flange portion 8 has three rectangular engagement holes 13.
are formed in the other flange portion 9, and a pair of locking holes 14 are formed corresponding to each engagement hole 13. Furthermore, projecting pieces 15 are formed on both end edges of the instrument attachment hole 6 so as to protrude from the front surface.

The insulator 3 has an insulating surface 16 and a holding surface 17 that are bonded to the front surface of the mounting piece 7, and this insulating surface 1
A mounting hole 18 is formed in 6 corresponding to the mounting hole 10,
A through hole 19 is formed in the holding surface 17 to correspond to the screw hole 11 . A pair of legs 20 are formed to protrude from the back surface of the end portion of the holding surface 17, protrusions 21 are protrusively formed on both sides of the legs 20, and a substantially triangular shaped locking portion is provided on the end surface of the protrusion 21. A locking pawl 22 is formed to protrude.

The holding member 4 is made of elastic metal such as stainless steel, and has a cross section that engages with the tip of the flange 8 and the fixing piece 23 fixed to the back surface of one side edge of the mounting frame main body 2. A U-shaped engagement piece 24 is formed. Further, a holding piece 25 having a base on the side of the engaging piece 24 is formed corresponding to each engaging hole 13, and engaging ends 26 are formed at both ends of the holding piece 25 on the tip side. .

Further, in FIG. 1, reference numeral 31 denotes a fireproof plate, which is made of elastic metal and includes a front plate portion 32 attached to the front surface of the mounting frame 1, and a fireproof plate 31 that is bent from both sides of the front plate portion 32. It is composed of a side plate part 33 as an engaging part that elastically engages with both sides of the mounting frame 1, and an edge plate part 34 bent outward from the rear end of this side plate part 33. . The front plate portion 32 has an opening 35 located at the front of the switch 5 in the center thereof, and fitting portions 36 that are fitted to the holding surface 17 of the insulator 3 at both ends thereof and protrude from the front side. At the same time, a notch 37 into which the protruding piece 15 fits is provided on the inner end side of the fitting part 36, and the fitting part 26 has a notch 37 in which the protrusion 15 fits.
A through hole 38 is formed correspondingly. Near both ends of the side plate portion 33, as shown in FIG.
A locking pawl 39 that locks on is cut and raised on the inside.

Further, in FIG. 1, 41 is a plate;
It is formed into a substantially rectangular frame shape made of synthetic resin, and a window hole 43 into which a handle 42 for operating the switch 5 is fitted is formed in the center of the front surface, and a window hole 43 that protrudes from the front toward the back surface is formed at the peripheral edge.
4 is formed. A locking leg 45 is formed protruding from the middle part of the back surface of this plate 41 in correspondence with the position of each locking pawl 22 of the mounting frame 1, and the tip of this locking leg 45 has a shape shown in FIG.
As shown in FIG. 6, an engaging portion 46 is formed that allows adjustment of the engaging position with respect to the locking pawl 22. This engaging portion 46 has stepped portions 47 and 4 that can be engaged with the locking pawl 22.
8 is formed along the protruding direction of the locking leg 45. Furthermore, a guide pin 49 is provided protrudingly from the center of both ends to be inserted into the through holes 38 and 19.

Next, the operation of this embodiment will be explained.

First, the switch 5 is directly mounted on the mounting frame 1 in a one-touch manner. Locking pieces 51 are protruded from both sides of the switch 5, and the locking pieces 51 on one side are attached to the mounting frame body 2.
After fitting and inserting into the locking hole 14 of one of the flange parts 9,
By pushing the locking piece 51 on the other side toward the inside of the other flange part 8 from the back side, the holding piece 25 of the holding member 4 attached to the flange part 8 is bent outward by the locking piece 51. When the locking piece 51 is inserted while moving over the holding piece 25, the holding piece 25 returns to its original state, the engaging stepped portion 26 engages with the locking piece 51, and the switch 5 is positioned. Retained.

Next, the mounting frame 1 is attached to the embedded box embedded in the wall surface 55. A rectangular frame-shaped holding fitting 57 is disposed inside the front opening 56 of this embedded box (FIG. 1 shows the removed state), and this holding fitting 57 has a window hole 58 in the center. is formed, and screw holes 59 are formed at both ends. Then, with the back surfaces of both ends of the mounting frame 1 in contact with the wall surface 55, screws 60 are inserted into the mounting frame 1.
It is screwed into the screw hole 59 of the presser metal fitting 57 through each of the mounting holes 18, and is tightened and fixed so as to sandwich the wall surface 55. Incidentally, by this time, the wiring 61 led to the embedded box has been connected to the switch 5.

Next, the fireproof plate 31 is directly attached to the mounting frame 1 in a one-touch manner. While bending the fireproof plate 31 so that both side plate parts 33 spread outward on both sides, attach it from the front of the mounting frame 1, and attach the locking claws 39 of the both side plate parts 33 to the both side edges of the mounting frame 1. By crossing over to the back side, both side plates 33 elastically engage with both sides of the mounting frame 1, and the locking claws 39 engage with the engagement edges 12, so that the fireproof plate 31 is maintained in the attached state. be done.

Next, the plate 41 is directly attached to the mounting frame 1 in a one-touch manner. The plate 41 is attached from the front of the mounting frame 1, and each of the locking legs 45 protruding from the middle part of the back surface of the plate 41 elastically bends toward the outer end and connects to the engagement portion 46.
Either of the stepped portions 47, 48 engages with the locking pawl 22 of the mounting frame 1, and the plate 41 is held in the mounted state. In addition,
When the plate 41 is attached to the mounting frame 1 from the front, the guide pin 49 is inserted into the through hole 38 of the fireproof plate 31 and the through hole 19 of the attachment frame 1, so that the direction in which the plate 41 is attached is positioned and guided. Each locking leg 45 can be easily engaged with the locking claw 22, and rattling after engagement can be prevented.

Finally, the handle 42 is fitted into the window hole 43 of the plate 41 and connected to the switch 5.

As described above, each member such as the switch 5, the fireproof board 31, the plate 41, etc. to be combined with the mounting frame 1 can be mounted directly in a one-touch manner, thereby facilitating the assembly work.

By making the holding member 4 that holds the switch 5 on the mounting frame 1 a separate piece of elastic metal, even though the mounting frame body 2 has strength, the switch 5 can be easily attached to the mounting frame 1. Can be installed.

Furthermore, since the step portions 47 and 48 are provided on the engaging portion 46 of the mounting leg 45 of the plate 41, even if the mounting position of the plate 41 with respect to the mounting frame 1 is different, the mounting position relationship will be the same. Changes can be absorbed and the plate 41 can be directly attached to the mounting frame 1 in a one-touch manner. That is, as shown in FIGS. 5 and 6, the back surface of the mounting frame 1 contacts the wall surface 55, but the edge 44 of the plate 41 contacts the wall surface 55.
5 or to the wallpaper 71 attached to the wall surface 55, when either the stepped portion 47 or the stepped portion 48 engages with the locking claw 22, the plate
1 can be prevented from shaking or being difficult to attach, and the plate 41 can be reliably attached to the mounting frame 1.

In the above embodiment, the locking claws 39 were provided on both side plate portions 33 of the fireproof board 31, but the locking claws were provided on the mounting frame 1 side, and the locking claws were provided on both side plate portions 33. An engagement hole or the like may be provided.

[0033] Also, the large handle 4 of the switch 5
When using the plate 41 having the window hole 43 corresponding to No. 2 as a switch for a small handle, an adapter 81 shown in FIG. 7 is used. This adapter 81 has an opening 82 in the center into which a small handle fits, and projecting pieces 83 at both ends. In addition, plate 4
1 has a pair of locking claws 86 protruding from the back surfaces of both end edges of the window hole 43, each having a claw 85 that projects oppositely to each other. Then, by fitting the adapter 81 into the window hole 43 of the plate 41 from the back side and engaging the protruding pieces 83 at each end between the pair of locking claws 86, the adapter 81 can be directly attached to the plate 41. Can be installed with one touch. By attaching the adapter 81 to the plate 41 side first and then attaching the plate 41 to the mounting frame 1 in this manner, the assembly work can be facilitated.

[0034]

According to the first aspect of the invention, a fireproof plate is interposed between the plate and the mounting frame for attaching the appliance body. This fireproof board is elastically engaged with both sides of the mounting frame while bending to spread the engaging part, and has locking claws provided on either the engaging part of the fireproof board or one of the sides of the mounting frame. By engaging the other and holding it in the engaged state, it can be directly attached to the mounting frame in a one-touch manner, making assembly work easier.

According to the second aspect of the invention, the mounting frame, the instrument body, and the plate are combined. By fitting the instrument body into the instrument mounting hole of the mounting frame, it can be held in this fitted state by the holding member of the mounting frame. Further, the plate removably engages with the locking portion of the mounting frame. Both the device body and the plate can be attached directly to the mounting frame with a single touch, making assembly work easy.

According to the invention of claim 3, in the invention of claim 2, the locking legs of the plate engage with the locking portions of the mounting frame, so that the plate can be directly mounted in a one-touch manner. At this time, even if the mounting position of the plate with respect to the mounting frame is different, the engagement position can be adjusted by the stepped part of the locking leg relative to the locking part, so the mounting position relationship can be adjusted by the stepped part of the locking leg. The plate can be reliably attached to the mounting frame by absorbing changes in the plate.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of an embodiment of the instrument device of the present invention.

FIG. 2 is a plan view of a fireproof plate.

FIG. 3 is a perspective view of the mounting frame.

FIG. 4 is a perspective view of the mounting frame in an exploded state.

FIG. 5 is a cross-sectional view of a portion of the device in use.

FIG. 6 is a cross-sectional view of a portion in another state of use.

FIG. 7 is a perspective view showing another embodiment.

[Explanation of symbols]

1 Mounting frame 4 Holding member 5 Equipment body 6 Equipment mounting hole 22 Locking part 31 Fireproof board 33 Engagement part 39 Locking claw 41 Plate 45 Locking leg 47, 48 Stepped section

Claims (3)

[Claims] 1. A device comprising: a device body; a mounting frame to which the device body is mounted; a plate to be mounted to the mounting frame; and a metal fireproof plate interposed between the mounting frame and the plate. is provided with an engaging portion that elastically engages on both sides of the mounting frame, and a locking claw that holds the fireproof plate in an engaged state is provided on one of the engaging portion of the fireproof plate or the side surface of the mounting frame. An instrument device characterized by: 2. A device comprising: a device body; a mounting frame to which the device body is attached; and a plate to be attached to the mounting frame; An instrument device, characterized in that a holding member for holding the instrument body is provided along at least one side edge of an instrument attachment hole, and a locking portion with which the plate is detachably engaged. [Claim 3] The plate is provided with an engagement leg that removably engages with the engagement portion of the mounting frame, and the engagement leg is provided with a plurality of stepped portions that enable the engagement position with the engagement portion to be adjusted. An instrument device according to claim 2, characterized in that: