JPH06224568A - Device for mounting electric device - Google Patents

Abstract

PURPOSE:To ensure sufficient holding strength and facilitate the removal of a device by simple structure regardless of the warpage of the device main body and the shock. CONSTITUTION:A device main body 11 is inserted into a mounting hole 15 from the front plane of a panel 10. Then, when a mounting frame 1 is inserted from the rear of the device main body 11, the latch tooth 6 are permitted to get in over the protruding parts of an engaging groove 14. The mounting frame 1 is pushed until the leading edge of the mounting frame 1 hits the inner plane of the panel 10. When a screw 7 is screwed down into the screw hole 4 on a screw holding part, the head of the screw 7 hits the taper part 5a of a hook piece 5. Force is applied on the top and the bottom hook pieces 5 in a direction that sandwiches the device main body 11 and the latch tooth 6 operate to thrust into the engaging groove 14. Thus, the device main body 11 is fixed to the panel 10 being sandwiched by the front plane flange 13 and the mounting frame 1. The device main body 11 can be removed only by loosening the screw 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device for an electric device for mounting a control device such as a timer or a counter on a panel.

[0002]

2. Description of the Related Art Conventionally, in a mounting device for this kind of electric equipment, a mounting frame for mounting a body of equipment such as a timer and a counter on a panel is actually used as a mounting frame 64-57679.
No. and Jitsukaihei 3-74487. In Japanese Utility Model Laid-Open No. 64-57679, a gap is formed between the mounting frame and the control device (device body) so that the mounting frame can be easily removed.

In Japanese Utility Model Laid-Open No. 3-74487, the number of parts is reduced so that sufficient attachment can be ensured regardless of the warp of the body of the equipment body and the impact.

[0004]

However, in Japanese Utility Model Laid-Open No. 64-57679, it is necessary to form a protrusion in order to provide a gap in the other opposing wall portion without the engaging protrusion.
If the thickness of the wall portion of this surface is not reduced by the amount corresponding to the protrusion, in the case of close contact mounting, there is a problem that mounting is impossible.

Further, in Japanese Utility Model Laid-Open No. 3-74487, it cannot be realized unless the screw body holding portion has rigidity, and when the screw is tightened, the engaging groove portion is cut into the groove so that the engagement can be made. There is a risk that the crests of the groove will be deformed and the screws will not engage. Further, the engagement is unstable because only the head of the screw is caught in the engagement groove. Furthermore, when removing the screw, tighten the screw a little more to make a gap between the screw head and the crest of the engaging groove, and lift the screw and the screw body holding part in the direction to open to the outside and separate from the engaging groove. It has to be removed, and there is a problem that it takes time to remove it.

The present invention has been provided in view of the above-mentioned points, and has a simple structure and secures sufficient holding strength regardless of the warp or impact of the device body, and simplifies the removal at the time of mounting. A mounting device for an electric device for the purpose of providing a device.

[0007]

DISCLOSURE OF THE INVENTION The present invention relates to a mounting device for an electric device in which a device body is mounted on a panel by using a mounting frame, and the tip of the mounting frame is displaceable inside a facing wall portion of the mounting frame. A screw provided with a screw-shaped elastic body formed in a V shape, a latch claw formed inside the elastic body, and a screw hole is screwed into the screw hole so that the head of the screw hits the screw hole. The body holding portion is formed on the mounting frame, and by engaging the screw with the head of the screw, the elastic body of the mounting frame engages with the latch claw that is biased inward. It was formed in.

According to a second aspect of the present invention, the main body of the device is composed of a body portion and a front flange portion larger than the body portion, and engaging groove portions are formed on the upper and lower surfaces of the body portion, respectively. Insert the mounting frame into the body of the device body inserted from the whole surface, screw the screw into the screw hole of the screw body holding part formed at the approximate center of the opposite wall of the mounting frame, and make the head of the screw elastic body. The latch claw is engaged with the engaging groove portion of the main body of the device by hitting.

[0009]

According to the present invention, the conventional elastic pressing piece is unnecessary, the structure is simple, and the device body can be firmly attached to the panel. Also, the latch claws are easily removed because the latch claws are disengaged from the engaging groove portions by loosening the screws in the opposite direction. Further, even if there is a warp or dimensional error in the device body, the engagement margin can be adjusted by changing the position of the screw head, and a sufficient mounting state can be secured.

Further, according to the second aspect, even if the body portion of the device body is warped or has a large dimensional error, the engagement margin can be adjusted by changing the head position of the screw.
A sufficient mounting state can be secured. Also, at the time of removal, if the screw is loosened in the opposite direction, the engagement between the latch claw and the engagement groove portion is released, so that the removal can be easily performed. Furthermore, since there is a screw in the approximate center of the opposing wall portion of the mounting frame, there is no need for a conventional elastic pressing piece, and since the elastic body is directly pressed by the head of the screw, it has a relatively simple structure.
Moreover, it can be firmly attached.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a main part showing a device mounting state of the present invention, FIG. 2 is a perspective view of the single mounting frame, and FIG. 3 is a perspective view of the device mounting state. In FIG. 2, the mounting frame 1 is formed in a rectangular frame shape having front and rear surfaces opened, and a screw body holding screw hole 4 is formed inside the upper and lower opposing wall portions 2 of the mounting frame 1. The parts 3 are integrally formed.

Further, inside the screw body holding portion 2, there are integrally formed hook pieces 5 which are elastic and formed in a substantially V shape, and inside the hook pieces 5, a latch claw 6 is formed. They are integrally formed. In addition, a screw 7 is screwed into the screw hole 4 of the screw body holding portion 2 so that a device main body 11 to be described later is provided.
Is attached to the panel 10. As shown in FIG. 3, the device main body 11 including a timer, a counter, and the like is formed into a substantially rectangular column shape, and has a body portion 12 located inside the panel 10 and a body portion 12 located outside the panel 10, that is, on the front side. Front flange portion 13 formed to be larger than the portion 12.
It consists of and.

Engaging groove portions 14 each having a plurality of ridges are formed on the upper and lower surfaces of the body portion 12 of the apparatus body 11, and the engaging groove portions 14 and the latch claws 6 of the mounting frame 1 are engaged with each other. Then, the device body 11 is attached to the panel 10. Next, the mounting sequence of the device body 11 will be described with reference to FIGS. From the front of the panel 10 to the device body 11
The body portion 12 is fitted into the mounting hole 15 of the panel 10. Next, when the mounting frame 1 is inserted from the rear of the body portion 12 of the device body 11, the latch claws 6 of the hook pieces 5 of the mounting frame 1 pass over the ridges of the engaging groove portions 14 and enter.

Then, the front end surface of the mounting frame 1 is pushed until it contacts the inner surface of the panel 10. Next, when the screw 7 is screwed into the screw hole 4 of the screw body holding portion 2 as shown in FIG.
The head of the screw 7 contacts the taper portion 5a of the hook piece 5. Then, since the taper portion 5a of the hook piece 5 is formed in a tapered shape, a force is applied to the upper and lower hook pieces 5 in a direction to sandwich the device body 11, and the latch claw 6 acts so as to bite into the engagement groove portion 14. .

As a result, the device body 11 is fixed to the panel 10 while being sandwiched between the front flange portion 13 and the mounting frame 1. Further, when the device body 11 is removed, by loosening the screw 7 in the opposite direction, the hook piece 5 elastically returns, and the engagement between the latch claw 6 and the engagement groove portion 14 is loosened.
The device body 11 can be easily removed.

[0016]

According to the present invention, in a mounting device for an electric device in which a device body is mounted on a panel by using a mounting frame, the device is displaceable inside a facing wall portion of the mounting frame, and its tip is substantially V-shaped. The elastic body is formed on the inner surface of the elastic body, the latch claw is formed on the inner side of the elastic body, and the screw hole is provided at the position where the screw head is abutted by screwing the screw into the screw hole. Part is formed on the mounting frame, and by engaging the screw head, the elastic body of the mounting frame is engaged with the latch claw urged inward by the head of the screw to form an engaging groove part on the device body. Therefore, the elastic pressing piece as in the prior art is unnecessary, the structure is simple, and the device body can be firmly attached to the panel. Also, for removal, loosening the screw in the opposite direction causes the latch claw to come off the engaging groove,
It's easy. Further, even if there is a warp or a dimensional error in the device body, by changing the position of the head of the screw, the engagement margin can be adjusted, and a sufficient mounting state can be secured.

According to a second aspect of the present invention, the main body of the device is composed of a body and a front flange larger than the body, and engaging grooves are formed on the upper and lower surfaces of the body, respectively. Insert the mounting frame into the body of the device body inserted from the whole surface, screw the screw into the screw hole of the screw body holding part formed at the approximate center of the opposite wall of the mounting frame, and make the head of the screw elastic body. Since the latch claw is engaged with the engaging groove part of the device body by hitting it on the machine, even if the body part of the device body is warped or there is a large dimensional error, the screw head position can be changed. ,
Since the amount of engagement can be adjusted, a sufficient mounting state can be secured. Also, at the time of removal, if the screw is loosened in the opposite direction, the engagement between the latch claw and the engagement groove portion is released, so that the removal can be easily performed. Furthermore, since there is a screw in the approximate center of the opposing wall portion of the mounting frame, there is no need for a conventional elastic pressing piece, and since the elastic body is directly pressed by the head of the screw, it has a relatively simple structure. Moreover, it can be firmly attached.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of essential parts showing a mounted state of a device body according to an embodiment of the present invention.

FIG. 2 is a perspective view of a mounting frame of the above.

FIG. 3 is a perspective view showing a state when the above-mentioned device body is attached.

[Explanation of symbols]

 1 Mounting Frame 2 Opposing Wall 3 Screw Body Holding 4 Screw Hole 5 Hook Piece 6 Latch Claw 7 Screw 10 Panel 11 Device Main Body 12 Body 13 Front Collar 14 Engagement Groove 15 Mounting Hole

Claims (2)

[Claims] 1. A mounting device for an electric device, wherein a device body is mounted on a panel by using a mounting frame, and an elastic body which is displaceable inside a facing wall portion of the mounting frame and whose tip is formed in a substantially V shape. Forming a latch claw inside the elastic body, and screwing the screw into the screw hole to form a screw body holding portion in which the screw hole is provided at the position where the screw head hits the mounting frame. Then, an engaging groove portion is formed in the main body of the device, which engages with the latch claw in which the elastic body of the mounting frame is biased inward by the head of the screw by screwing the screw. Mounting device for electrical equipment. 2. A device body comprising a body and a front flange larger than the body, and engaging grooves formed on the upper and lower surfaces of the body, respectively, and inserted into the mounting holes of the panel from the entire surface. The mounting frame was fitted into the body of the screw, the screw was screwed into the screw hole of the screw body holding part, and the latch claw was engaged with the engaging groove part of the device body by applying the screw head to the elastic body. A mounting device for electrical equipment characterized by.