JPH05235560A - Cover attaching structure - Google Patents

Abstract

PURPOSE:To easily attach or detach an object cover even in such a case that a plurality of units are adjacently provided and there is a space for attaching or detaching a cover only on the front side. CONSTITUTION:In a cover attaching structure in which an aperture 56 of a device cabinet 5 is covered with an attachable and detachable cover by engaging a movable engaging part K and a fixed engaging part, a movable engaging part which can be operated from the front side of the cover is provided to any one of a cover 4 and device cabinet, while a fixed engaging part is provided to the other and a spring L for energizing the cover to the front side from the device cabinet is provided between the device cabinet and cover. Moreover, the cover is formed by a nonmagnetic material and the movable engaging part is formed by a magnetic material and the movable engaging part can be operated with a magnetic force from the front side of the cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover mounting structure in which there is a space for attaching and detaching only in front of a device.

[0002]

15 to 16 are explanatory views of a conventional cover mounting structure. FIG. 15 is a perspective view, FIG. 16 is a sectional view, and FIG. It is a perspective view which shows the attached state.

The cover 1 shown in FIG. 15 is a rectangular flat box-like shape with an open rear covering the opening 21 of the device housing 2. The open end of the upper side surface is a cover for engaging with the device housing 2. Claws (not shown) are provided at three positions, and a through countersink hole 11 is provided at the approximate center of the lower side surface.

The equipment housing 2 has a rectangular box-like shape with an open front, and a flange-like portion 22 formed on the periphery of the opening.
The frame 23 is formed so as to rise further forward from the peripheral edge of 2. The upper brim-shaped portion 22 has a locking portion provided with a locking recess 24 for locking a cover claw (not shown).
A projecting piece is provided at a substantially central portion of the lower collar-shaped portion 22 provided at a location, and a screw hole 25 is provided in the projecting piece.

The above-mentioned cover 1 is attached to the above-mentioned equipment housing 2 as shown in FIG. 16, and the opening 2 of the equipment housing 2 is attached.
Cover 1. That is, the device housing 2 is provided in the recess provided in the wall surface A.
Of the device housing 2 is inserted into the wall surface A.
And the device housing 2 is attached to the wall surface A. afterwards,
After inserting the cover claw 12 provided at the open end of the upper surface of the cover 1 into the locking recess 24 of the device housing 2, align the through countersink hole 11 of the cover 1 with the screw hole 25 of the device housing 2. ,
The cover 1 is screwed to the device housing 2 via the flat head screw 3. Then, the cover 1 is pushed up slightly and the cover claw 12 is locked in the locking recess 24. Therefore, the cover 1 is attached to the device housing 2 and covers the opening 21 of the device housing 2.

[0006]

However, as shown in FIG.
As shown in FIG. 3, a plurality of device housings 2 may be arranged close to each other and attached to the wall surface A or the like. In such a case, for example, when a control unit (not shown) incorporated in the device shown in FIG. 17A fails and repair is required, the cover 1 must be removed. There is no space for removing the screw 3, and the equipment of (a) cannot be repaired until the equipment of (c) is removed, and it takes time to prepare for the original repair. It was

The present invention has been made in order to solve the above problems, and its object is to achieve a purpose even if a plurality of device housings to which covers are attached are arranged side by side in close proximity. It is an object of the present invention to provide a cover mounting structure in which the cover can be easily removed and the original repair can be immediately started.

[0008]

In order to solve the above-mentioned problems, the present invention provides the invention according to claim 1, wherein the movable engaging portion and the fixed engaging portion are engaged and detachable. A cover mounting structure for covering an opening of a device housing, wherein a movable locking portion operable from the front of the cover is provided on either one of the cover and the device housing, and a fixed locking portion is provided on the other, and A spring for biasing the cover forward from the device housing is interposed between the housing and the cover. Further, in the invention according to claim 2, the cover is made of a non-magnetic material, the movable locking portion is made of a magnetic material, and the movable locking portion is operated by a magnetic force from the front of the cover. To do.

[0009]

With the above-mentioned configuration, the invention according to claim 1 can be obtained.
In the invention described above, the cover is applied to the opening of the device housing while pressing the spring biased forward, and the movable locking portion is operated from the front of the cover to move the movable locking portion to the fixed locking portion. Can be locked. Therefore, the cover is attached to the device housing so as to cover the opening of the device housing. Further, the cover attached to the device housing operates the movable locking portion from the front of the cover to remove the movable locking portion from the fixed locking portion. Then, the cover is urged forward by the spring and pushed out, so that the cover can be easily removed.

According to the second aspect of the invention, the cover can be attached and detached by the same procedure as described above, but since the movable locking portion can be operated by the magnetic force from the front side of the cover, the movable member can be attached to the cover. There is no need to perform special processing on the front surface of the cover for operating the stop.

[0011]

1 to 7, a second embodiment of a cover mounting structure according to the present invention will be described with reference to FIGS.
A third embodiment will be described in detail with reference to FIG. 10 based on FIGS. 11 and 12, and a fourth embodiment will be described with reference to FIGS. 13 and 14. 1 is an exploded perspective view showing the cover and the device housing, FIG. 2 is a perspective view of a main part showing a fixed locking part, FIG. 3 is a perspective view showing a movable locking part, and FIG. 4 is a fixed locking part. 7 is a perspective view showing a locked state with the movable locking portion, FIG. 5 is a perspective view showing a base portion slidably supporting the movable locking portion, FIG. 6 is a cross-sectional view of an essential part showing a cover mounting structure, FIG. FIG. 4 is a partially cutaway perspective view showing a magnet key. 8 is an exploded perspective view showing the cover and the device housing, FIG. 9 is a perspective view showing a locked state of the fixed locking portion and the movable locking portion, and FIG. 10 is a cross-sectional view of a main part showing a cover mounting structure. .. FIG. 11 is an exploded perspective view showing the cover and the device housing, and FIG. 12 is a cross-sectional view of an essential part showing the cover mounting structure. FIG. 13 is an exploded perspective view showing the cover and the device housing, and FIG. 14 is a cross-sectional view of essential parts showing the cover mounting structure.

First, the first embodiment will be described. The cover 4 shown in FIG. 1 is made of a rectangular flat box-shaped synthetic resin (non-magnetic material) with an open rear, and is on the upper side of the front side (the portion surrounded by the broken line A in FIG. 1) and the lower side. Side (broken line B in FIG. 1
And a portion surrounded by) are provided with fixed locking portions J as shown in FIG. 2, respectively. Each of the fixed locking portions J has an inverted T-shape formed at the same time as the cover 4, and the rear surface J ₁ of the inverted T-shaped horizontal bar has an upward ¼ arc shape in a side view. ..

The device housing 5 has a square box-like shape with an open front surface, and a collar-shaped portion 51 formed on the periphery of the opening, and the collar-shaped portion 51 is formed.
The frame 52 is made of synthetic resin (non-magnetic material) and has a frame 52 rising further forward from the periphery of the frame. The upper and lower flange portions 51 are made of a steel plate (magnetic material) as shown in FIG.
The movable locking portion K is provided so as to be slidable in the vertical direction via a pair of base portions 54 as shown in FIG.

Each pair of pedestals 54 is formed by projecting onto the collar-shaped portion 51 when the equipment casing 5 is molded.
Two attachment holes for attaching the stoppers 55 are provided on the front end surface of the. The stopper 55 has a shape like a nail in which a disk-shaped head is formed on a rod-shaped shaft. The base 5
4 and the stopper 55 are made of synthetic resin (non-magnetic material).

The movable locking portion K is a substantially square steel plate, and elongated holes K ₁ each having a width slightly larger than the diameter of the rod-shaped shaft of the stopper 55 are provided in the vicinity of opposite sides of the movable locking portion K, respectively. A convex locking hole K ₂ is provided near the center of K. The distance between the long hole K ₁ and long hole K ₁ is equal to the distance between a pair of the above-described base portion 54. The movable locking portion K is applied to the tip surfaces of the pair of base portions 54 so that the elongated hole K ₁ of the movable locking portion K and the attachment hole on the tip surface of the base portion 54 are aligned with each other. The rod-shaped shafts are inserted into the attachment holes of the front end surfaces of the bases 54, respectively, so that they are slidably attached in the vertical direction to the front end surfaces of the pair of bases 54.

The coil spring L shown in FIG. 1 is attached to the vicinity of the four corners on the back side of the front surface of the cover 4 by appropriate methods, and the coil spring L is adapted to expand and contract in the front-back direction. The coil springs L may be attached near the four corners of the flange portion 51 of the device housing 5 so as to expand and contract in the front-rear direction.

The above-mentioned cover 4 is attached to the above-mentioned device housing 5 as shown in FIG. 6, and the opening 56 of the device housing 5 is provided.
Cover. That is, the device housing 5 is inserted into a recess (not shown) provided on the wall surface (not shown) from the rear side of the device housing 5.
The device casing 5 is attached to the wall surface by bringing the collar-shaped portion 51 of the device into contact with the wall surface. Then, the cover 4 is pressed from the front to press the open end of the cover 4 against the tip of the frame 52 of the device housing 5. Then, each coil spring L is compressed, and the rear surface J ₁ of each fixed locking portion J of the cover 4 contacts the side K ₃ of the convex locking hole K ₂ of the movable locking portion K. Then, the movable locking portion K is pushed up so that the side K ₃ of the locking hole K ₂ of the movable locking portion K slides on the cylindrical surface of the rear surface J ₁ of the fixed locking portion J. When the cover 4 is further pressed, the coil spring L is compressed and the inverted T-shaped horizontal bar portion of the fixed locking portion J is locked into the locking hole K _2.
Get in. Then, the movable locking portion K descends by its own weight and locks on the fixed locking portion J, resulting in the state shown in FIG. Then, even if the pressing of the cover 4 from the front is removed, the coil spring L urges the cover 4 forward from the device housing 5, but the movable locking portion K is locked to the fixed locking portion J. The cover 4 is attached to the device housing 5 and covers the opening 56 of the device housing 5.

The cover 4 attached as described above is
It can be removed as follows. Ie forward
The cover 4 is pressed from above and the movable member is biased by the coil spring L.
With the friction between the stopper K and the fixed locking portion J eliminated,
The magnetic key 7 shown in FIG. 7 is provided in the vicinity of where the fixed locking portion J is provided.
Gently press it against the front of the cover 4. After that, the cover 4
The magnetic key 7 is moved upward while sliding the front surface. You
Then, the movable locking portion K is attracted by the magnetic force of the magnet key 7.
Moves upward and the convex locking hole K of the movable locking part K ₂Side K
₃Passes over the inverted T-shaped horizontal bar of the fixed locking portion J upward.
Then, the locking between the fixed locking portion J and the movable locking portion K is released,
When the cover 4 is pressed from the front, the cover 4
It is pushed forward by the biasing force of the spring L. Obey
The cover 4 shown in FIG.
-A part surrounded by a broken line A on the front of 4 and a part surrounded by a broken line B
Cover 4 from the device housing 5
Can be removed. The magnet key 7 is
The magnet 7a is made of soft resin so as not to scratch the front surface of the bar 4.
It is covered with 7b.

Next, a second embodiment will be described. The cover 4 shown in FIG. 8 is made of a rectangular flat box-shaped synthetic resin (non-magnetic material) with an open rear, and is located on the upper side of the back side of the front surface (the portion surrounded by the broken line A in FIG. 8) and the lower side. Side (broken line B in FIG. 8)
And a protrusion 41 as shown in FIG. Further, as shown in FIG. 9, a dogleg-shaped movable locking portion K is provided on the tip end surface of the protruding portion 41 by using a shaft hole K ₁ provided near one end of the movable locking portion K. Each of the shafts 42 is swingably mounted. However, the movable locking portion K is configured to swing within the range of the angle θ (approximately 45 degrees) shown in FIG. 9, and the cover 4 is erected with the portion surrounded by the broken line A in FIG. At this time, the tip portion K ₂ of the V-shaped movable locking portion K is arranged to be parallel to the upper side surface and the lower side surface of the cover 4. The movable locking portion K is made of a steel plate (magnetic material).

The equipment housing 5 is in the shape of a square box with the front open.
A collar-shaped portion 51 is formed on the periphery of the opening of the one, and the collar-shaped portion 51
If a frame 52 that stands further forward from the periphery of the
It is made of synthetic resin (non-magnetic material). Above and below
The collar-shaped portion 51 has a U-shaped fixed locking portion as shown in FIG.
The device housing so that J is parallel to the upper and lower frames 52.
It is erected on the collar portion 51 of the body 5 by simultaneous molding.
It This fixed locking portion J is made of the same synthetic resin as the equipment housing 5.
(Non-magnetic material), each fixed locking portion J
As shown in FIGS. 9 and 10, the front surface of the
Inclined surface J ₁Is provided.

The coil spring L shown in FIG. 8 is attached to the vicinity of the four corners on the back side of the front surface of the cover 4 by appropriate methods, and the coil spring L is adapted to expand and contract in the front-back direction. The coil springs L may be attached near the four corners of the flange portion 51 of the device housing 5 so as to expand and contract in the front-rear direction.

The above-mentioned cover 4 is attached to the above-mentioned equipment casing 5 as shown in FIG.
Cover 6. That is, the device housing 5 is inserted into a recess (not shown) provided on the wall surface (not shown) from the rear side of the device housing 5, and the collar-shaped portion 51 of the device housing 5 is brought into contact with the wall surface to place the device housing 5 on the wall surface. Attach. After that, the opening end of the cover 4 is aligned with the tip of the frame 52 with the part surrounded by the broken line A in FIG. 8 facing upward, and the cover 4 is covered from the front so as to cover the opening 56 of the device housing 5. Press 5. Then, the respective coil springs L are compressed, and the tip portions K ₂ of the respective movable engaging portions K just contact the inclined surface J ₁ of the fixed engaging portion J. Then, the tip portion K ₂ of the movable locking portion K is pushed up by sliding on the inclined surface J ₁ , and the movable locking portion K rotates right about the stopper 42. Further, when the cover 4 is pressed against the device housing 5, the tip portion K ₂ of the movable locking portion K has finished sliding on the inclined surface J ₁ and rotates counterclockwise due to the weight of the movable locking portion K. Then, the tip K ₂ of the movable locking portion K is fixed to the fixed locking portion J.
The movable locking portion K and the fixed locking portion J are locked in the space surrounded by the collar-shaped portion 51 and in the state shown in FIG. 9 or 10. Then, even if the pressing of the cover 4 from the front is removed, the coil spring L urges the cover 4 forward from the device housing 5, but the movable locking portion K does not move to the fixed locking portion J.
The cover 4 is attached to the device housing 5 and covers the opening 56 of the device housing 5 because the cover 4 is attached to the device housing 5.

The cover 4 attached as described above is
It can be removed as follows. That is, the cover 4 is pressed from the front to eliminate the friction between the movable locking portion K and the fixed locking portion J due to the bias of the coil spring L,
A magnetic key similar to that of the first embodiment is lightly pressed against the front surface of the cover 4 in the vicinity where the movable locking portion K is provided. After that, the magnetic key is moved upward by sliding on the front surface of the cover 4. Then, the movable locking portion K is attracted by the magnetic force of the magnet key and moves upward, and the tip portion K ₂ of the movable locking portion K passes over the fixed locking portion J. Then, the fixed locking portion J and the movable locking portion K are disengaged, and the cover 4 is pushed forward by the urging force of the coil spring L when the pressure of the cover 4 from the front is removed. Therefore, if the above-described removing operation of the cover 4 is performed on the portion surrounded by the broken line A and the portion surrounded by the broken line B on the front surface of the cover 4 shown in FIG.
Can be removed from the device housing 5.

Next, a third embodiment will be described. 11
The cover 4 shown in Fig. 4 is a rectangular flat box-like shape with an open rear, and is provided with rectangular step portions 41 on the upper and lower sides of the front surface, and a small rectangular shape is formed in the center of each step portion 41. Through holes 42 are provided. Then, as shown in FIG. 12, locking claws K corresponding to the movable locking portions are erected rearward from the vicinity of the center side of the cover 4 of each through hole 42. The locking claw K has elasticity to bend in the arrow X direction shown in FIG. The tip of each locking claw K is provided with a convex portion K _{1 that} is angled outward with respect to the center of the cover 4. A pressing surface K _{2 that} is inclined outward with respect to the center of the cover 4 is provided in a portion facing the center of the cover 4 near the base of the locking claw K. The cover 4 is provided with a blind plate 43 that can be detachably attached to the step portion 41 to cover the through hole 42.

The device housing 5 has a square box-like shape with an open front, and a collar-shaped portion 51 formed on the periphery of the opening.
A frame 52 is formed so as to rise further forward from the peripheral edge of the device. The device housing 5 has a square locking hole J corresponding to a fixed locking portion on the upper surface and the lower surface thereof, respectively.

The coil spring L shown in FIG. 11 is attached to the vicinity of the four corners on the back side of the front surface of the cover 4 by appropriate methods, and the coil spring L is adapted to expand and contract in the front-back direction. The coil springs L may be attached near the four corners of the flange portion 51 of the device housing 5 so as to expand and contract in the front-rear direction.

The cover 4 described above is next to the device housing 5 described above.
And covers the opening 56 of the device housing 5.
That is, a recess (not shown) provided on the wall surface (not shown)
Device from the rear side of the device housing 5, and the collar-shaped part of the device housing 5
The device housing 5 is attached to the wall surface by bringing 51 into contact with the wall surface.
After that, the open end of the cover 4 is attached to the end of the frame 52 of the device housing 5.
Match the edge so that it covers the opening 56 of the device housing 5.
Then, the cover 4 is pressed against the device housing 5 from the front. Do
And each coil spring L is compressed and
Each locking claw K slightly bends in the direction of arrow X in FIG.
Projection K of locking claw K ₁The upper or lower surface of the device housing 5
It reaches the front end of the locking hole J by sliding. Then,
The open end of the bar 4 comes into contact with the tip of the frame 52 of the device housing 5.
At the same time, the convex portion K of the locking claw K of the cover 4₁In the locking hole J
Falling in, front end of locking hole J and protrusion K₁Locks. You
Then, even if the pressing force of the cover 4 from the front is removed,
The le spring L urges the cover 4 forward from the device housing 5,
Of the locking hole J and the convex portion K₁Is locked
The cover 4 is attached to the device housing 5 and the opening of the device housing 5
Cover 56.

The cover 4 attached as described above is
It can be removed as follows. That is, the hippo
Remove each blind plate 43 from -4 to expose through hole 42
Let Then, as shown in FIG.
The tip of the screwdriver D is inserted into the through hole 42. Do
And the tip of the minus driver D is the pressing surface K of the locking claw K.
₂Is pressed, the locking claw K bends in the direction of the arrow X and the locking claw K
Projection K at the tip₁Is disengaged from the front end of the locking hole J. Do
Then, the cover 4 is pushed forward by the bias of the coil spring L.
Will be. Therefore, remove the cover 4 from the device housing 5.
You can remove it.

Next, a fourth embodiment will be described. FIG.
The cover 4 shown in Figure 4 is a square flat box with an open rear.
The movable locking part K is slid on the upper side and the lower side of the front surface.
Shaft mounting holes 41 for rotatably shaft mounting are provided respectively.
ing. The movable locking portion K is L-shaped when viewed from the side, and is L-shaped.
One side is cylindrical part K₁And the other side of the L shape is
Flat plate part K₂It has become. Cylindrical part K₁And flat plate part K₂With
A cylindrical shape for inserting the coil spring L on the rear surface of the joint portion.
The recess is provided in the cylindrical part K₁K on the front of the ₃Is provided
Has been. Further, the movable engaging portion described above is provided in the shaft attachment hole 41.
Cylindrical part K₁The vicinity of the tip of the
The coil spring L is inserted in the cylindrical recess described above. Na
Incidentally, one end of the coil spring L projects from the above-mentioned cylindrical recess.
It has become so. Also, the cover 4 is detachably inserted.
In addition, a blind plate 43 capable of blinding the shaft mounting hole 41 is provided.

The equipment housing 5 has a rectangular box-like shape with an open front, and a collar-shaped portion 51 formed on the peripheral edge of the opening.
A frame 52 is formed so as to rise further forward from the peripheral edge of the L-shaped fixed locking portion J in the upper and lower brim portions 51 so as to be parallel to the upper and lower frame 52. Each of the device casings 5 is provided upright on the flange portion 51.

The above-mentioned cover 4 is attached to the above-mentioned equipment housing 5 as follows, and covers the opening 56 of the equipment housing 5.
That is, a recess (not shown) provided on the wall surface (not shown)
The device housing 5 is attached to the wall surface by inserting it from the rear side of the device housing 5 into contact with the flange portion 51 of the device housing 5 against the wall surface.
After that, the open end of the cover 4 is aligned with the tip of the frame 52 of the device housing 5 so as to cover the opening 56 of the device housing 5, and the cover 4 is pressed against the device housing 5 from the front. At this time, the direction of the flat plate portion K ₂ of the movable locking portion K is such that the flat plate portion K ₂ does not come into contact with the fixed locking portion J by using the groove K ₃ with a flat head screwdriver or the like. It is adjusted by rotating it appropriately. Therefore, the respective coil springs L are compressed, the flat plate portion K ₂ of the movable locking portion K is located rearward of the front piece of the fixed locking portion J, and the open end of the cover 4 is the frame of the device housing 5. It contacts the tip of 52. After this state, the movable locking portion K is rotated by using the groove K ₃ with a flat head screwdriver or the like, and the flat plate portion K ₂ of the movable locking portion K and the front piece of the fixed locking portion J are engaged. Stop. Then, even if the pressing of the cover 4 from the front is removed, the coil spring L urges the cover 4 forward from the device housing 5, but the movable locking portion K and the fixed locking portion J are as shown in FIG. Since the cover 4 is attached to the device housing 5, the cover 4 is attached to the device housing 5.
Cover the opening 56 of.

The cover 4 attached as described above is
It can be removed as follows. That is, the blind plates 43 are removed from the cover 4 to expose the groove K ₃ . Then, from the front, insert the tip of a flat-blade screwdriver into each groove K ₃ and rotate. Then, the flat plate portion K ₂ of the movable locking portion K is disengaged from the front piece of the fixed locking portion J, and the cover 4 is pushed forward by the bias of the coil spring L. Therefore, the cover 4 can be removed from the device housing 5.

[0033]

Since the cover mounting structure of the present invention is constructed as described above, in the invention of claim 1, a plurality of device housings to which the covers are mounted are mounted side by side in close proximity. Even if the movable locking portion is operated from the front of the cover to remove the movable locking portion from the fixed locking portion, the cover is urged forward by the spring and pushed out, so that the target cover can be easily removed, The original repair can be started immediately. In addition to the above effects, the movable locking portion can be removed from the fixed locking portion by magnetically operating the movable locking portion from the front side of the cover. There is an effect that it is possible to provide a good-looking cover mounting structure without performing special processing that is unfavorable in appearance on the front surface of the.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a cover and a device housing of a cover mounting structure according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing a fixed locking portion of the cover mounting structure according to the first embodiment of the present invention.

FIG. 3 is a perspective view showing a movable locking portion of the cover mounting structure according to the first embodiment of the present invention.

FIG. 4 is a perspective view showing a locked state of the fixed locking portion and the movable locking portion of the cover mounting structure according to the first embodiment of the present invention.

FIG. 5 is a perspective view showing a base portion that slidably supports the movable locking portion of the cover mounting structure according to the first embodiment of the present invention.

FIG. 6 is a sectional view of an essential part showing the cover mounting structure of the first embodiment of the present invention.

FIG. 7 is a partially cutaway perspective view showing a magnet key.

FIG. 8 is an exploded perspective view showing a cover and a device housing of a cover mounting structure according to a second embodiment of the present invention.

FIG. 9 is a perspective view showing a locked state of the fixed locking portion and the movable locking portion of the cover mounting structure according to the second embodiment of the present invention.

FIG. 10 is a cross-sectional view of essential parts showing a cover mounting structure according to a second embodiment of the present invention.

FIG. 11 is an exploded perspective view showing a cover and a device housing of a cover mounting structure according to a third embodiment of the present invention.

FIG. 12 is a sectional view of an essential part showing a cover mounting structure of a third embodiment of the present invention.

FIG. 13 is an exploded perspective view showing a cover and a device housing of a cover mounting structure according to a fourth embodiment of the present invention.

FIG. 14 is a sectional view of a key portion showing a cover mounting structure according to a fourth embodiment of the present invention.

FIG. 15 is a perspective view showing a conventional cover mounting structure.

FIG. 16 is a cross-sectional view showing a conventional cover mounting structure.

FIG. 17 is a perspective view showing a state in which a plurality of devices having a conventional cover mounting structure are mounted close to each other.

[Explanation of symbols]

 4 Cover 5 Equipment housing J Fixed locking part K Movable locking part L Spring

Claims (2)

[Claims] 1. A cover mounting structure for removably covering an opening of a device housing by engaging a movable locking part and a fixed locking part, wherein either the cover or the device housing is in front of the cover. A cover attachment characterized in that a movable locking portion that can be operated from the device housing is provided, a fixed locking portion is provided on the other, and a spring that urges the cover forward from the device housing is interposed between the device housing and the cover. Construction. 2. The cover mounting according to claim 1, wherein the cover is made of a non-magnetic material, the movable engaging portion is made of a magnetic material, and the movable engaging portion is operated by a magnetic force from the front side of the cover. Construction.