JP2002340282A - Fitting structure to wall body of product - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting structure to a wall body of a product, attached and detached by a simple operation, capable of reducing the number of part items, reducing the weight and size, and lowering the cost. SOLUTION: With a back pressing plate 24 located in a second moving range S2 and abutting on a third abutting part 1620, the back pressing plate 24 is projected in the opposite direction to a surface pressing plate 1612, so that the contour of the product main body 14 is small. In the case of fitting the product body 14 to the wall body 10, the product body 14 is put in the above state in a hole 1002 of the wall body 10 and the surface pressing plate 1612 is applied to the wall body 10. When a male screw member 22 is rotated in the normal direction, the back pressing plate 24 abuts on a first abutting part 1610 and simultaneously moves toward the surface pressing plate 1612. With the back pressing plate 24 abutting on the first abutting part 1610, the back pressing plate 24 is projected in the same direction as the surface pressing plate 1612, and the wall body 10 is held between the surface pressing plate 1612 and the back pressing plate 24 and fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for arranging a product in a hole provided in a wall, and more particularly, to a product comprising a product main body and a mounting portion provided on the product main body. By positioning the product body in a hole provided in the wall, and attaching the mounting portion to the wall,
The present invention relates to a structure for mounting a product on a wall, wherein the product is disposed on the wall.

[0002]

2. Description of the Related Art A product comprising a product main body and a mounting portion provided on the product main body is disposed by positioning the product main body in a hole provided in a wall and mounting the mounting portion on the wall. For example, a dome-type video camera may be used. Dome type video cameras are installed in hospitals, hotels, condominiums, department stores, etc., for the purpose of ensuring safety and improving services. It is configured to be monitored by sound. Conventionally, when incorporating this type of dome type video camera into a wall such as a wall or a ceiling, a front side holding plate is applied to the surface of the wall around the hole, and a back side holding plate is attached to the back of the wall around the hole. And the wall is fastened by the front side holding plate and the back side holding plate. The front and rear holding plates are provided so as to protrude outside the video camera body.In many cases, the front and rear holding plates are spaced apart in the circumferential direction of the video camera body. Is provided.

On the other hand, the size of the hole provided in the wall is larger than that of the video camera main body so that the video camera main body can be inserted, but the wall is formed by the front side holding plate and the back side pressing plate. It is not formed in a size that allows a plurality of back-side pressing plates to be inserted together with the video camera body so that the video camera body can be tightened. Therefore, in the related art,
As disclosed in Japanese Patent Application Laid-Open No. 0-165710, a slide mechanism is provided for movably supporting a back side holding plate in a direction approaching and separating from a video camera body, and the back side holding plate is provided together with the video camera body in a hole in a wall. After the insertion, the back holding plate is moved by the slide mechanism in a direction to protrude from the video camera body, and the wall is fastened by the front holding plate and the back holding plate.

[0004]

Therefore, in the conventional mounting structure, since a slide mechanism is required, mounting and dismounting are troublesome and troublesome, and the number of parts increases, resulting in an increase in weight. There was a problem that miniaturization and cost reduction could not be achieved. The present invention has been devised in view of the above circumstances, and an object of the present invention is to perform attachment and detachment with a simple operation, and to reduce the number of parts to reduce the weight, to reduce the size and cost. An object of the present invention is to provide a structure for mounting a product to a wall body.

[0005]

In order to achieve the above object, the mounting portion of the present invention includes a front side holding plate protruding from a product body and applied to a surface of a wall, and a front side holding plate disposed on the back side of the wall. A support plate facing the plate, a male screw member rotatably inserted from the front holding plate to the support plate, and moving the male screw member in the longitudinal direction of the male screw member with respect to the front holding plate and the support plate. Locking means for locking impossible; a first moving range screw-coupled to a male screw member between the front side holding plate and the support plate; and a first movement range located on the front side holding plate side; A back-side pressing plate disposed so as to be movable along a male screw member in a second moving range located therein; and the back-side pressing plate over the first moving range and the second moving range when the male screw member rotates forward. Abut on the back side A first contact portion for preventing the forward rotation of the holding plate and moving the rear holding plate in the direction of the front holding plate; and, when the male screw member rotates in the reverse direction, abuts against the back holding plate in the first movement range to contact the back holding plate. A second contact portion for preventing reverse rotation of the plate and moving the back holding plate toward the support plate; and, when the male screw member is rotated in reverse, abuts on the back holding plate in the second movement range and reversely rotates the back holding plate. And a third contact portion for moving the back-side pressing plate in the direction of the support plate while preventing the rear pressing plate from moving. Then, in a state where the back-side pressing plate is in contact with the first contact portion or the second abutting portion, the back-side pressing plate is in the same direction as the projecting direction of the front-side pressing plate from a portion screwed to the male screw member portion. The rear presser plate projects from the portion that is screwed to the male screw member when the rear presser plate comes into contact with the front presser plate, and the back presser plate contacts the third contact portion. It is configured to be in a posture protruding in a direction opposite to the protruding direction.

In a state where the back holding plate is located in the second movement range and is in contact with the third abutting portion, the back holding plate projects in a direction opposite to a projecting direction of the front holding plate. The outline of the product body including the holding plate is small. In this state, the product body is put in and taken out of the hole of the wall. When the product is mounted on the wall, the product body is inserted into the hole of the wall with the back-side pressing plate in contact with the third contact portion, and the front-side pressing plate is abutted against the wall around the hole. Then, when the male screw member is rotated forward, the back holding plate moves in the direction of the front holding plate while abutting on the first contact portion. Then, in a state in which the back-side pressing plate is in contact with the first contact portion, the back-side pressing plate projects in the same direction as the front-side pressing plate in the same direction as the front-side pressing plate, so that the back-side pressing plate faces the front-side pressing plate. By the movement in the direction, the wall portion around the hole is sandwiched and fixed by the back side holding plate and the front side holding plate. When removing the product from the wall,
Reverse the male screw member. Due to the reverse rotation of the male screw member, the back-side pressing plate moves in the first moving range in the direction of the supporting plate while abutting on the second abutting portion. And the contour of the product main body including the back side holding plate is reduced. In this state, the product body is taken out from the hole in the wall.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to mounting a dome type video camera will be described below with reference to the accompanying drawings. FIG. 1 is a sectional front view of a state in which a dome-type video camera is incorporated in a wall, FIG. 2 is a view in the direction of arrow A in FIG. 1, and FIG. 4 is a view taken in the direction of the arrow A in FIG. 3, and FIG.
FIG. 6 is an enlarged cross-sectional view of the state in which the back side holding plate is close to the support plate, FIG. 7 is a perspective view of the frame member, FIG. 8A is a perspective view of the back side holding plate, and FIG. ), As viewed from arrow B, FIG.
FIG. 10 is a perspective view showing a state in which the back side holding plate is close to the supporting plate,
Fig. 11 is a perspective view showing a state in which the back side holding plate is close to the front side holding plate. Fig. 11 is an explanatory view of attaching the sealing cover to the video camera body. Fig. 12 is attaching the sealing cover to the video camera body attached to the hole of the wall. FIG. 13 is a view taken in the direction of arrow A in FIG.

As shown in FIG. 1, a dome-shaped video camera 12 is provided with a hole 1002 in a ceiling wall 10 in the present embodiment.
The dome type video camera 12 is
It comprises a video camera body 14, a frame member 16, a sealing cover 18 (see FIGS. 11 to 13), and the like. The dome-type video camera 12 includes a lens barrel 1202 supported so as to be swingable in three axes around a rotation center, a driving unit for driving the lens barrel 1202 in three axes, a microphone for sound collection, and the like. The video camera components such as the lens barrel 1202 are housed in a substantially triangular prism-shaped case 1204, and a hemispherical dome cover 1206 covering the lens barrel 1202 is provided below the case 1204.
Is attached.

[0009] As shown in FIG.
Is made of sheet metal, and includes a base 16A disposed on the back surface of the case 1204, legs 16B bent from both sides of the base 16A, and standing portions 16C rising from both sides of the base 16A. A hole 1602 for inserting various cables such as a power cable and a video signal cable is formed at the center of the base 16A, and a screw hole 1604 is formed around the hole 1602. As shown in FIG. 1, the frame member 16 has a base 16A.
Is placed on the back surface of the case 1204, and the screw hole 160
4 is fixed to the case 1204 by a screw 1606 screwed to the case 4.

The leg portion 16B includes a vertical plate 1610 extending substantially along the side surface of the case 1204, a front holding plate 1612 bent at a lower end of the vertical plate 1610 at right angles in a direction away from the case 1204, and a vertical plate. It comprises a bent plate 1614 which is bent at right angles in the direction away from the case 1204 on both sides of the case 1610. The vertical plate 1
A groove 1616 extends along the vertical plate 1610 at the center of the vertical plate 1610.
And the upright portion 16C is formed.
The front edge of the front holding plate 1612 is formed in an arc shape coaxial with the dome cover 1206, and
A screw insertion hole 1618 is formed at a position near the second vertical plate 1610. The bent plate 1614 serves to increase the rigidity of the leg portion 16B and strengthen the support of the video camera body 14 by the frame member 16.

The upright portion 16C rises from a position of the base 16A located closer to the inside of the case 1204 than the vertical plate 1610. More specifically, a position of the base 16A located inside the side surface of the case 1204. Plate 1620 that rises from the top, and the case 12
Support plate 16 bent at right angles in the direction away from the support plate 16
22. A screw insertion hole 1624 is formed at a position near the tip of the support plate 1622. As shown in FIG. 4, the front end of the support plate 1622 has a front side holding plate 161 outside the vertical plate 1610 in a plan view.
2 and the front side holding plate 1612
Screw insertion hole 1618 of the support plate 1622 and the screw insertion hole 1 of the support plate 1622
624 is located coaxially.

The attachment portion 20 for attaching the dome type video camera 12 to the hole 1002 of the wall body 10 includes the male screw member 22 in addition to the front side holding plate 1612 and the support plate 1622.
Back side holding plate 24, locking means 26 (see FIG. 6), first contact portion 30 (see FIG. 7), second contact portion 32 (see FIG. 7), third contact portion 34 (see FIG. 7). Etc. The male screw member 22 is provided between the front holding plate 1612 and the support plate 1622.
The head 22A of the male screw member 22 is rotatably disposed by inserting the screw insertion holes 1618 and 1624 toward
Are arranged on the lower surface of the front side holding plate 1612. As shown in FIG. 6, the upper end of the male screw portion 22B of the male screw member 22 protrudes above the support plate 1622, and two lock nuts 2204 are provided above the protruding upper portion via washers 2202.
Are fastened to the male screw portion. Also, the support plate 1622 is provided at the male screw portion 22B located on the lower surface of the support plate 1622.
A steel washer 2206 is made to face the lower surface of the, and a synthetic resin washer 2208 having a high coefficient of friction is fitted and fixed to the lower surface of the washer 2206. In the present embodiment, the head 22A of the male screw member 22 and the lock nut 220
4 constitutes the locking means 26 for locking the male screw member 22 to the front side holding plate 1612 and the supporting plate 1622 so as to be immovable in the longitudinal direction.

As shown in FIGS. 8A and 8B, the back pressing plate 24 has a pressing surface 2402 having a width and a length.
And the rear upstanding surface portion 2 erecting from the base of the holding surface portion 2402
404, an upper surface portion 2406 bent from the upper end of the rear rising surface portion 2404 and parallel to the pressing surface portion 2402, and a pressing surface portion 2
At the base of 402, there is provided a bent surface portion 2408 bent downward from one side in the width direction, and a front upright surface portion 2410 bent upward from a position near the tip of the pressing surface portion 2402,
One end in the width direction at the front end of 402 is formed on a protruding surface portion 2412 protruding forward from the other front end. A screw hole 2414 is formed at a position near the base at the center in the width direction of the pressing surface portion 2402, and an open notch 241 is formed in a front portion 2406 corresponding to the screw hole 2414.
6 are formed.

The back holding plate 24 has a screw hole 241
4 and screwed to the male screw portion 22B of the male screw member 22 between the front side holding plate 1612 and the support plate 1622. In this state, the rear upright surface portion 2404 and the front upright surface portion 2410 face the support plate 1622 side. It will be in a protruding state. Since the screw hole 2414 is formed at the base of the holding surface 2402, the holding surface 2402 projects from the center with the center of the male screw member 22 in a state where the male screw member 22 is screwed into the screw hole 2414. Therefore, when the back holding plate 24 rotates about the male screw member 22, the protruding direction of the holding surface 2402 turns.

In the present embodiment, as shown in FIGS. 1 and 10, a coil spring 40 is disposed on the upper surface of the pressing surface 2402 on the shaft portion 22B of the male screw member 22,
The coil spring 40 is configured such that the back side holding plate 24 is
2 and is compressed in a state approaching to
It is configured to act on 402. That is, when the male screw member 22 is rotated in the normal or reverse direction, the back holding plate 24 in which the screw hole 2414 is screwed into the male screw portion 22A of the male screw member 22 is formed.
Tries to rotate forward and backward integrally with the male screw member 22 by friction caused by the screw connection between the male screw portion 22A and the screw hole 2414. In the present embodiment, the back pressing plate 24 is
Since the coil spring 40 is compressed in a state approaching the pressing member 22 and the compressive force acts on the pressing surface 2402, the forward and reverse rotation of the back side pressing plate 24 accompanying the forward and reverse rotation of the male screw member 22 is more reliably performed.

As shown in FIG. 3, the back holding plate 24 has a first movement range S1 located on the front holding plate 1612 side and a second movement range S1 located on the support plate 1622 side.
2 is arranged movably along the male screw member 22. In the present embodiment, the first movement range S1 is such that the lower surface of the pressing surface 2402 is slightly lower than the upper surface of the base 16A of the frame member 16 from the position where the lower surface of the pressing surface 2402 faces the upper surface of the front side pressing plate 1612. Range. The second moving range is the pressing surface portion 2402
As shown in FIG. 6, the lower surface of the upper surface portion 24 is positioned above the upper surface of the base portion 16A of the frame member 16.
06 is the range up to the position where the upper surface of the sheet 06 comes into contact with the washer 2208.

Next, the first contact portion 30, the second contact portion 3
The second and third contact portions 34 will be described. As shown in FIG. 10, when the male screw member 22 is rotated forward (clockwise rotation), the first contact portion 30 moves to the first movement range S1.
And the second pressing range S2, the rear pressing plate 24 is moved in the direction of the front pressing plate 1612 by contacting the rear pressing plate 24 to prevent normal rotation of the rear pressing plate 24. In the present embodiment, as shown in FIG. 7, the first contact portion 30 is formed by a vertical plate 1610 of the leg 16 </ b> B of the frame member 16.
(More specifically, the vertical plate 1610 on the right side of the groove 1616)
When the male screw member 22 rotates forward, the rear end of the bent surface portion 2408 of the back pressing plate 24 abuts on the vertical plate 1610 (first abutting portion 30).

The second abutment portion 32 is provided in FIG. 1 and FIG.
As shown in FIG. 7, when the male screw member 22 rotates in the reverse direction (counterclockwise rotation), it contacts the back side holding plate 24 in the first movement range S1 to prevent the back side holding plate 24 from rotating in the reverse direction. It is configured to move in the direction of the support plate 1622. In the present embodiment, the second contact portion 32
As shown in FIG. 7, the vertical plate 1610 of the leg 16B of the frame member 16 (more specifically, the vertical plate 16 on the left side of the groove 1616)
10) in the first movement range S1 when the male screw member 22 rotates in the reverse direction.
The abutting portion 32) has a rear upright surface portion 2404 on the back side holding plate 24.
The rear side abuts.

As shown in FIGS. 7 and 9, when the male screw member 22 is rotated in the reverse direction, the third abutting portion 34 abuts on the back pressing plate 24 in the second movement range S2.
And the reverse pressing plate 24 is moved in the direction of the support plate 1622. In the present embodiment, the third contact portion 34 is
C in the second movement range S2 when the male screw member 22 rotates in the reverse direction.
The protruding surface portion 2412 of the pressing surface portion 2402 of the back side pressing plate 24 abuts on 20 (third contact portion 34). Therefore,
In the present embodiment, when the male screw member 22 rotates forward, the rear end of the bent surface portion 2408 of the back pressing plate 24 abuts on the first contact portion 30, and when the male screw member 22 reversely rotates, the second abutting portion 32.
The rear surface of the rear upright surface portion 2404 abuts on the third abutting portion 3404
4 comes into contact with the protruding surface portions 2412 of the pressing surface portion 2402.

Then, the first contact portion 30 is provided with the back pressing plate 24.
When the rear end of the bent surface portion 2408 is in contact with the rear surface of the rear upright surface portion 2404 of the back side press plate 24 against the second contact portion 32, the rear side press plate 24 is From the part screwed to the part, the front side holding plate 1
612 projecting in the same direction as the projecting direction of the front holding plate 16.
12. Also, the pressing surface 240 of the back pressing plate 24 is
2 with the protruding surface portion 2412 in contact with the back side holding plate 2
4 protrudes from the portion screwed to the male screw member 22 in the direction opposite to the direction in which the front-side pressing plate 1612 protrudes, and extends on the base 16A of the frame member 24, that is, on the rear surface of the video camera body 14. Are configured to extend.

Also, as shown in FIGS. 1 and 3, or as shown in FIGS.
At the time of reverse rotation, the back holding plate 24 shifts from the first movement range S1 to the second movement range S2, and the back holding plate 24 comes into contact with the second contact portion 32 to the third contact portion 34. When switching, the back side holding plate 24 is configured to rotate about 180 degrees. When the male screw member 22 is rotated forward from the state in which the back holding plate 24 is located in the second movement range S2 and is in contact with the third contact portion 34, the back holding plate 24 becomes approximately 180 °.
It is configured so as to turn once and contact the first contact portion 30. When the back holding plate 24 moves in the first movement range S1 due to the forward / reverse rotation of the male screw member 22, the back holding plate 24 comes into contact with the first contact portion 30 or the second contact portion and cannot rotate. It is configured as follows.

As shown in FIGS. 11 and 12, the sealing cover 18 closes the hole 1002 around the video camera main body 14 with the video camera main body 14 attached to the hole 1002 of the wall body 10. For
It is made of synthetic resin and has an annular shape. Sealing cover 18
A circular hole 1802 for projecting the dome cover 1206 is formed at the center of the
12 is formed in a circular shape with a diameter large enough to cover the same.
The three legs 1 that can be elastically deformed at equal intervals in the circumferential direction around the circular hole 1802 of the sealing cover 18, that is, at the inner peripheral portion of the sealing cover 18.
804 are protrudingly provided.
806 are formed. In the present embodiment, each leg 1
Two reinforcing pieces 1808 are connected to the lower half of the 804, respectively, and the upper half of each leg 1804 is formed to be elastically deformable. The leg 1804 and the claw 1806 are
When the dome cover 1206 is positioned in the circular hole 1802 and the three legs 1804 are pushed forward along the side surface of the case 1204 of the video camera body 14, the legs 1804 advance while flexing in a direction away from the case 1204, and the claw portion is formed. 1
806 is located on the back of the case 1204 and the leg 1
Due to the elasticity of 804, the claw portion 1806 moves on the back surface of the case 1204, and the claw portion 1806 is locked on the back surface of the case 1204.

Next, a procedure for attaching the dome type video camera 12 to the hole 1002 of the ceiling wall 10 will be described. First, the male screw member 22, the back side holding plate 24, the coil spring 40, the washer 220
2, 2206, 2208, lock nut 2204, etc., and the base 16A of the frame member 16 is
04 is fixed to the back surface with screws 1606. Next, the male screw member 22 is reversed, and the back side holding plate 24 is positioned in the second movement range S2 closer to the support plate 1622. As a result, as shown in FIGS. 3 to 5, the protruding surface portion 2412 comes into contact with the upright plate 1620, and the back side holding plate 24 is attached to the front side holding plate 1.
612 protrudes in a direction opposite to the protruding direction, and extends on the back surface of the video camera body 14.

Next, as shown in FIG. 3 to FIG.
The base 16A and the leg 16B of the video camera body 14 and the frame member 16 are inserted into the hole 1002 of the
02, two front side holding plates 1
612 respectively. In this case, the back holding plate 2
4 protrudes in the direction opposite to the protruding direction of the front side holding plate 1612, and keeps the outline of the video camera body 14 to a minimum size. The video camera body 14 can be smoothly inserted into the hole 1002 without increasing the size of the video camera 1002.

Then, with the two front-side pressing plates 1612 abutting against the lower surface of the wall 10 around the hole 1002, for example, the tip of the electric drill is connected to the male screw member 22.
Of the male screw member 2 by an electric drill.
Turn 2 forward. With the forward rotation of the male screw member 22, the back side holding plate 24 also rotates forward, turning 180 degrees from the state where the protruding surface portion 2412 abuts on the upright plate 1620, and the rear end of the bent surface portion 2408 of the back side holding plate 24 becomes a vertical plate 1610 3 and FIG. 4, the back pressing plate 24 projects in the same direction as the front pressing plate 1612 and faces the front pressing plate 1612 as shown by the imaginary line (a) in FIG. Become. That is, the back-side pressing plate 24 protrudes outside the hole 1002 and is at a position where the upper surface of the wall 10 around the hole 1002 can be pressed. In the present embodiment, since the coil spring 40 and the washer 2208 made of synthetic resin are provided, the 180 ° rotation of the back-side pressing plate 24 is more reliably performed.

The back holding plate 24 turns 180 degrees and cannot turn with the rear end of the bent surface portion 2408 abutting on the vertical plate 1610, and thereafter descends as the male screw member 22 rotates forward (front holding plate). 1612) and descends from the second movement range S2 to the first movement range S1. Then, as shown in an imaginary line (b) in FIG. 3 and as shown in FIG.
Press the top surface of the 0 part. Thereby, the hole 1002
Is sandwiched between the front-side pressing plate 1612 and the back-side pressing plate 24, and the frame member 16 is fixed to the wall 10.
2 is attached to the hole 1002 of the ceiling wall 10.

Finally, the sealing cover 18 is attached. The attachment of the sealing cover 18 is performed as shown in FIGS.
As shown in FIG. 3, the dome cover 12
06 and the three legs 18 along the side of the case 1204 of the video camera body 14 inside the hole 1002.
When the claw 1806 is located on the back surface of the case 1204, the elasticity of the leg 1804 causes the claw 18 to move forward.
06 is locked to the back surface of the case 1204, whereby the sealing cover 18 is attached. The sealing cover 18 allows the gap inside the hole 1002 and the two front-side pressing plates 161.
2 is covered.

Next, a procedure for removing the dome type video camera 12 from the ceiling wall 10 will be described. First, the sealing cover 18 is removed. Sealing cover 18
Is removed by pushing the outer peripheral portion of the sealing cover 18 laterally and pulling it downward. That is, when the outer peripheral portion of the sealing cover 18 is pushed laterally and pulled downward, the leg 1804 is elastically deformed and the claw portion 1806 is moved to the case 1.
Since the sealing cover 18 is detached from the back surface of the video camera 204, the sealing cover 18 can be removed from the video camera main body 14.

Next, the tip of the electric drill is connected to the male screw member 22.
Of the male screw member 2 by an electric drill.
Reverse 2 The back side holding plate 24 is in the first movement range S1.
, The rear surface of the rear upright surface portion 2404 comes into contact with the vertical plate 1610 due to the reverse rotation of the male screw member 22, thereby preventing the reverse rotation of the back-side pressing plate 24 in the first movement range S <b> 1, and The plate 24 is a support plate 162
It rises in two directions. Then, when the back holding plate 24 moves up to reach the second movement range S2, the back holding plate 24
It turns by 80 degrees, and the protruding surface portion 2412
20, the reverse of the back-side pressing plate 24 is prevented, and it rises in the direction of the support plate 1622. As shown in FIG.

Also in this case, since the coil spring 40 is provided, the back-side holding plate 24 can be more surely turned by 180 degrees. In this stopped state, the protruding surface portion 2412
Abuts against the upright plate 1620, the back-side holding plate 24 projects in a direction opposite to the direction in which the front-side holding plate 1612 protrudes, and extends on the back surface of the video camera body 14. Because it is fixed to the size of
The removal from the hole 1002 of the video camera body 14 can be performed smoothly.

According to the present embodiment, the conventional dome-type video camera 12 does not require a slide mechanism, and is simply operated by simply rotating the male screw member 24 forward or backward.
Can be attached to and detached from the wall 10 in a short time. Since the conventional slide mechanism is not required, the number of parts can be reduced, the weight can be reduced, the size and cost can be reduced, and the degree of freedom in the shape and design of the dome type video camera can be increased. It is possible to greatly expand.

In this embodiment, the case where the product attached to the wall by the attachment portion is a dome type video camera is described. However, the product is not limited to the dome type video camera. It is widely applied to products that are inserted into and mounted on a computer. Further, in the present invention, the wall is not limited to a skeleton surface or a skeleton wall of a building such as a ceiling, a wall, or a floor, but may be a skeleton surface or a skeleton of a structure such as a tower or a support. It widely covers walls and the like.

[0033]

As is apparent from the above description, according to the structure for mounting the product on the wall according to the present invention, the product can be mounted and removed by a simple operation, and the number of parts is reduced to reduce the weight. It is possible to reduce the size and cost.

[Brief description of the drawings]

FIG. 1 is a sectional front view of a state in which a dome type video camera is incorporated in a wall.

FIG. 2 is a view taken in the direction of arrow A in FIG. 1;

FIG. 3 is a cross-sectional front view showing a state where the video camera body is inserted into a hole of a wall body.

FIG. 4 is a view taken in the direction of arrow A in FIG. 3;

FIG. 5 is a view taken in the direction of arrow B in FIG. 3;

FIG. 6 is an enlarged cross-sectional view showing a state in which a back side holding plate is close to a supporting plate.

FIG. 7 is a perspective view of a frame member.

FIG. 8A is a perspective view of a back side holding plate, and FIG.
FIG.

FIG. 9 is a perspective view of a state in which a back-side pressing plate is close to a supporting plate.

FIG. 10 is a perspective view of a state in which a back side holding plate is close to a front side holding plate.

FIG. 11 is an explanatory diagram of attaching a sealing cover to a video camera body.

FIG. 12 is an explanatory diagram of attaching a sealing cover to a video camera body attached to a hole in a wall.

13 is a view as viewed in the direction of the arrow A in FIG.

[Explanation of symbols]

12 ... dome type video camera, 14 ... video camera body, 16 ... frame member, 1612 ... front side holding plate, 1622 ... support plate, 22 ... male screw member, 24 ...
.., The back pressing plate, 26... The locking means, 30... The first contact portion, 32... The second contact portion, 34.

Claims (10)

[Claims] 1. A product comprising a product main body and a mounting portion provided on the product main body, wherein the product main body is positioned in a hole provided in a wall body, and the mounting portion is mounted on the wall body. A structure for disposing a product on a wall, wherein the attachment portion includes a front-side pressing plate protruding from the product body and applied to a surface of the wall, and a front-side pressing plate disposed on the back side of the wall. An opposing support plate, a male screw member rotatably inserted from the front holding plate to the support plate, and the male screw member being unable to move in the longitudinal direction of the male screw member with respect to the front holding plate and the support plate. A locking means for locking, a first screw member which is screw-connected to a male screw member portion between the front side holding plate and the support plate, and is located on the front side holding plate side;
And a back-side pressing plate disposed so as to be movable along a male screw member in a second movement range located on the support plate side; and, when the male screw member rotates forward, the first movement range. Second
A first abutting portion that abuts against the back-side pressing plate over the moving range of the first pressing member to prevent the back-side pressing plate from rotating forward and to move the back-side pressing plate in the front-side pressing plate direction; A second abutting portion that abuts against the back-side pressing plate in a moving range to prevent reverse rotation of the back-side pressing plate and moves the back-side pressing plate in the direction of the support plate; A third contact portion that abuts on the back-side pressing plate to prevent reverse rotation of the back-side pressing plate and moves the back-side pressing plate in the direction of the support plate, wherein the back-side pressing plate is a first abutting portion or a second abutting portion. In a state in which the rear presser plate is in contact with the portion, the back presser plate projects from the portion screwed to the male screw member in the same direction as the projecting direction of the front presser plate, and faces the front presser plate,
In a state where the back-side pressing plate is in contact with the third contact portion, the back-side pressing plate is in a posture to project from a portion screwed to the male screw member in a direction opposite to a direction in which the front-side pressing plate projects. A structure for attaching a product to a wall, characterized by comprising: 2. When the male screw member rotates in the reverse direction, the back-side pressing plate shifts from the first moving range to the second moving range, and the back-side pressing plate moves from the second contact portion to the third contact portion. The structure for attaching a product to a wall according to claim 1, wherein the back holding plate is turned by about 180 degrees when switching to a contact state. 3. When the male screw member is rotated forward from a state in which the back holding plate is located in the second movement range and is in contact with the third abutting portion, the back holding plate is turned by about 180 degrees. First
2. The structure for attaching a product to a wall according to claim 1, wherein the product is in contact with a contact portion. 4. When the back holding plate moves in the first movement range, the back holding plate comes into contact with both the first contact portion and the second contact portion and cannot rotate. The structure for attaching a product to a wall according to claim 1, wherein the product is configured. 5. The product according to claim 1, wherein the back-side pressing plate extends on the back surface of the pre-made product main body in a state where the back-side pressing plate is in contact with the third contact portion. Mounting structure to the wall. 6. A coil spring is disposed on a surface of the male screw member where the back side holding plate faces the support plate, and the coil spring is compressed in a state where the back side holding plate approaches the support plate, and the compression is performed. 2. The structure for attaching a product to a wall according to claim 1, wherein the structure is configured to apply a force to the back side holding plate. 7. The mounting part comprises a plate-shaped frame member attached to the product body, and the front side holding plate, the support plate, the first contact part, the second contact part, and the third contact part. The structure for mounting a product on a wall according to claim 1, wherein the product is formed integrally with the frame member. 8. The structure for mounting a product on a wall according to claim 1, wherein a plurality of the mounting portions are provided at intervals in a circumferential direction of the product main body. 9. The structure according to claim 1, wherein the product is a dome type video camera. 10. An annular sealing cover for closing the hole around the dome type video camera in a state where the dome type video camera is mounted on a wall by the mounting portion, wherein the sealing cover is provided with the sealing cover. 10. The product wall according to claim 9, wherein the claw portions at the tips of the plurality of legs projecting from the inner peripheral portion of the cover are disposed by being locked to the back surface of the dome type video camera. Mounting structure.