JP6936748B2 - Intercom equipment - Google Patents

Description

The present invention relates to an intercom device such as an intercom master unit equipped with a camera, for example.

Conventionally, many intercom devices including a camera unit have been devised. For example, Patent Document 1 discloses an intercom master unit including a camera unit.

Japanese Unexamined Patent Publication No. 2013-38648

However, there are many users who do not use the camera unit, especially for the intercom master unit, and there is also a request from such users to hide the lens of the camera unit with a cover or the like. There is also a request that even a user who normally uses a camera unit wants to hide the lens depending on the situation, such as when calling from a courier.

Therefore, the present invention has been made in view of the above requirements, and an object of the present invention is to provide an intercom device capable of easily exposing / covering a lens.

In order to achieve the above object, in the present invention, a camera window is provided on the front surface of the main body case, and a camera unit having a lens in the main body case is provided so that the lens is exposed through the camera window. , An interphone device that can be tilted, and a shutter with a cover that can cover the lens between the inner surface of the main body case and the camera unit is located in front of the lens. A sliding position is provided along the inner surface of the main body case between the coating position for covering the lens and the exposed position where the cover portion is displaced from the front of the lens to either the top, bottom, left or right to expose the lens. At the same time, the front surface of the camera unit is formed on the circumferential surface centered on the rotation axis related to the tilt operation, while the rear surface of the cover portion has an arcuate concave sliding surface having the same diameter as the circumferential surface. Is formed, and the shutter is provided in a state where the sliding surface is in contact with the circumferential surface, and is characterized in that the shutter slides while maintaining the contact state.

According to the present invention, a shutter provided with a cover portion capable of covering the lens between the inner surface of the main body case and the camera unit has a covering position where the cover portion is located in front of the lens to cover the lens and a cover. The part is offset from the front of the lens to either the top, bottom, left, or right, and is provided so that it can slide along the inner surface of the main body case between the exposed position and the exposed position where the lens is exposed. The lens can be coated. Therefore, it can be an intercom device that can meet the user's desire to cover the lens.
Further, the front surface of the camera unit is formed on a circumferential surface centered on the rotation axis related to the tilt operation, while an arc concave sliding surface having the same diameter as the circumferential surface is formed on the rear surface of the cover portion. The shutter is provided with the sliding surface in contact with the circumferential surface, and slides while maintaining the contact state. Therefore, the camera unit can be tilted regardless of the position of the shutter, which is convenient.

It is explanatory drawing which showed the intercom master unit in the state which covered the camera unit by a shutter from the front side. It is explanatory drawing which showed the intercom master unit with the camera unit exposed from the front side. It is explanatory drawing which showed the vertical cross section of the camera unit part. It is a perspective explanatory view which showed the camera unit and the shutter in the disassembled state from the front side. It is a perspective explanatory view which showed the camera unit and the shutter in the disassembled state from the rear side. It is a perspective explanatory view which showed the front case from the rear side. It is a perspective explanatory view which showed the rear case from the front side.

Hereinafter, the intercom master unit according to the embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory view showing the intercom master unit 1 in a state where the camera unit 5 is covered with the shutter 11 from the front side. FIG. 2 is an explanatory view showing the intercom master unit 1 in a state where the camera unit 5 is exposed from the front side. FIG. 3 is an explanatory view showing a vertical cross section of the camera unit 5 portion. FIG. 4 is a perspective explanatory view showing the camera unit 5 and the shutter 11 in the disassembled state from the front side. FIG. 5 is a perspective explanatory view showing the camera unit 5 and the shutter 11 in the disassembled state from the rear side. FIG. 6 is a perspective explanatory view showing the front case 2 from the rear side. FIG. 7 is a perspective explanatory view showing the rear case 3 from the front side.

The intercom master unit 1 is provided with a main body case in which a front case 2 arranged on the front side and a rear case 3 arranged on the rear side are assembled, and a decorative panel 8 is attached so as to cover the front surface of the front case 2. A display unit 10 for displaying an image or the like captured by an intercom slave unit (not shown) is provided at substantially the center of the front surface of the main body case. Further, a button 9 for answering a call from the intercom slave unit is provided in the lower center of the front surface of the main body case. Further, on the left and right sides of the button 9 at the lower part of the front surface of the main body case, telephone units such as a microphone unit 6 and a speaker unit 7 are provided. In addition, a camera window 4 is provided in the upper center of the front surface of the main body case. A camera unit 5 is provided so that the lens member 21 (shown in FIG. 3) is exposed in the camera window 4, and a shutter 11 that exposes / covers the lens member 21 by opening and closing the camera window 4 is provided. It is provided.

The camera unit 5 has a lens member 21, a camera case 22 for holding the lens member 21, and a holding member 23. The camera case 22 has a main body portion 22a that is long in the left-right direction, and the main body portion 22a is formed into a substantially semi-cylindrical shape in which the left-right direction is the axial direction, and the circumferential surface is the front surface. Further, a lens hole 24 for exposing the lens of the lens member 21 is provided in the center of the main body portion 22a. Further, locking holes 25 for locking the sandwiching member 23 are provided on both the left and right sides of the lens hole 24, respectively. In addition, a front tongue piece 29 for sandwiching the flexible cable 50 extending from the lens member 21 is projected downward from the lower portion of the main body portion 22a. On the other hand, on the left and right side surfaces of the main body portion 22a, shaft portions 26 projecting to the left and right outward are provided at positions at the centers of the arcs, respectively. Further, the shaft portion 26 on the left side is provided with a regulation plate 27 that regulates the upward and downward rotation of the camera unit 5 at a predetermined position when the camera unit 5 is tilted. Further, an operation lever 28 for tilting the camera unit 5 is projected rearward from the regulation plate 27.

Further, the holding member 23 is a substantially semi-cylindrical member whose rear surface is a circumferential surface having the same diameter as the circumferential surface of the camera case 22, contrary to the camera case 22, and the front side is a camera. A contact rib 30 that comes into contact with the rear surface of the lens member 21 is provided as it is assembled to the case 22. Further, holding ribs 31 and 31 for holding the position of the lens member 21 are projected forward on both the left and right sides of the contact rib 30. Further, brim pieces 32 projecting outward are provided on the left and right outer sides of each holding rib 31, and a locking piece 33 having an arrowhead shape at the tip of each brim piece 32 protrudes forward. It is set up. In addition, a rear tongue piece 34 for sandwiching the flexible cable 50 is projected downward below the contact ribs 30 and the holding ribs 31 and 31.

Then, the camera unit 5 inserts the lens into the lens hole 24 from the rear surface side of the camera case 22 to arrange the lens member 21. After that, the locking pieces 33, 33 may be locked to the locking holes 25, 25 from the rear surface side of the camera case 22, and the holding member 23 may be assembled to the camera case 22 so as to cover the lens member 21 from the rear side. Then, the lens member 21 is held at the position arranged by the holding ribs 31 and 31, and is held from the front and back by the camera case 22 and the holding member 23. Further, the flexible cable 50 is sandwiched from the front and back by the front tongue piece 29 and the back tongue piece 34 at a position near the connection point to the lens member 21.

Explaining the structure related to the attachment of the camera unit 5 to the main body case as described above, the upper portion of the front case 2 formed into a box shape having an opening rear surface, and the rear side of the camera window 4 when the decorative panel 8 is attached. At this position, an operation window 41 having a rectangular shape longer than the camera window 4 in the left-right direction and having a left-right length shorter than the left-right length of the main body portion 22a of the camera case 22 is provided. Further, on the rear surface of the front case 2, on the left and right outer sides of the operation window 41, front shaft support ribs 42 having a shaft support portion for shaft support of the shaft portion 26 at the tip thereof are projected rearward. Further, a second front axle support rib 43 is projected rearward on the left side (right side when viewed from the rear surface) of the left front axle support rib 42. A regulation rib 47 extending to the left and right is projected rearward so as to connect the lower end of the left front axle support rib 42 and the lower end of the second front axle support rib 43. On the other hand, a shaft for supporting the shaft portion 26 at a position corresponding to the front shaft support ribs 42, 42 at the upper part of the rear case 3 formed into a box shape having an open front surface when assembled to the front case 2. Rear axle support ribs 44, 44 having a branch at the tip are projected forward. Further, a lever opening 45 is provided on the left side of the rear axle support rib 44 on the left side. Further, on the front surface of the rear case 3, at a position between the left and right rear axle support ribs 44, 44, the camera unit 5 abuts on the rear surface (circumferential surface) of the holding member 23, and the camera unit 5 is rotated during the tilt operation. An arcuate concave guide surface 46 for guiding is provided. In addition, a notch 48 for exposing the knob of the shutter 11, which will be described later, is provided on the upper surface of the rear case 3.

Then, the regulation plate 27 of the camera unit 5 is inserted between the front shaft support rib 42 and the second front shaft support rib 43, and the shaft portion 26 of the camera unit 5 is placed on the shaft support of the front shaft support ribs 42 and 42. After arranging the 26, the rear case 3 may be assembled to the front case 2 while the operating lever 28 is projected to the rear side of the rear case 3 through the lever opening 45. Then, each shaft portion 26 is sandwiched between the front shaft support rib 42 and the rear shaft support rib 44 from the front and rear, and the camera unit 5 is attached so as to be vertically rotatable about the left and right direction, that is, tiltable. It will be. Then, in the mounted state, the lens member 21 of the camera unit 5 is located in the operation window 41 and in the camera window 4 when the decorative panel 8 is mounted. Further, when the lens member 21 is tilted downward, the first convex portion 27a of the regulating plate 27 comes into contact with the upper surface of the regulating rib 47, and the tilting operation further downward is restricted. On the other hand, when the lens member 21 is tilted upward, the second convex portion 27b of the regulating plate 27 comes into contact with the rear end of the regulating rib 47, and the tilting operation further upward is restricted.

Then, the shutter 11 is attached between the camera unit 5 attached as described above and the rear surface of the front case 2. The shutter 11 is made of synthetic resin and integrally includes a guide plate 12 extending to the left and right with a plate body whose vertical direction is the thickness direction, and a cover plate 13 extending downward from a substantially central portion of the front edge of the guide plate 12. It is a member of. The cover plate 13 is formed into a front view rectangular shape whose vertical length is substantially the same as the vertical length of the operation window 41 and whose left and right length is approximately 1/3 of the left and right length of the operation window 41. Further, on the lower side of the cover plate 13, a step portion recessed one step behind the front surface of the cover plate 13 is provided, and when the cover plate 13 is fitted into the operation window 41, it is under the operation window 41. It functions as an engaging step portion 13a that engages with the edge. Further, on the left side of the cover plate 13, a first pillar portion 14a extending horizontally from the engaging step portion 13a to the left side, and a second column portion 14a connecting the left end of the first pillar portion 14a and the left end of the guide plate 12 are connected. A pillar portion 14b is provided, and an opening surrounded by the two pillar portions 14a and 14b, the left edge of the cover plate 13, and the leading edge of the guide plate 12 serves as the lens window 14. In addition, the rear surface of the cover plate 13 and the rear surface of the second pillar portion 14b are in contact with the front surface (circumferential surface) of the camera case 22 and have an arcuate concave slide that does not interfere with the tilt operation of the camera unit 5. A moving surface 15 is provided. On the upper surface of the guide plate 12, a guide rib 16 for guiding the slide of the shutter 11 in the left-right direction and a knob (not shown) for sliding the shutter 11 are provided so as to project upward. .. Further, an engaging step portion that engages with the lower edge of the operation window 41 is also provided at the lower end of the second pillar portion 14b.

The shutter 11 may be attached by fitting the cover plate 13 into the operation window 41 before attaching the camera unit 5 to the front case 2. In such a mounting state, the engaging step portion 13a is engaged with the lower edge of the operation window 41, and the upper surface of the guide plate 12 is on the inner surface of the upper surface of the front case 2 and in front of the guide plate 12. The edges are in contact with the inner surface of the front surface of the front case 2, respectively. Further, the sliding surfaces 15, 15 ... Are in contact with the front surface of the camera case 22. Then, in the shutter 11 so attached, the second pillar portion 14b abuts on the left edge of the operation window 41 and the cover plate 13 covers the front of the lens member 21 while maintaining the contact state. And the cover plate 13 comes into contact with the right edge of the operation window 41 (located on the right side of the lens member 21) and can be slid in the left-right direction between the exposed position where the lens member 21 is located in the lens window 14. .. The knob of the shutter 11 projects into the notch 48, and the shutter 11 can be slid to an arbitrary position from outside the main body case.

According to the intercom master unit 1 having the above configuration, a shutter 11 having a cover plate 13 capable of covering the lens of the lens member 21 is attached between the camera unit 5 and the rear surface of the front case 2. .. The shutter 11 has a covering position in which the cover plate 13 covers the front of the lens member 21 and an exposure position in which the cover plate 13 is located on the right side of the lens member 21 to expose the lens member 21 in the camera window 4. It is possible to slide between them in the left-right direction. Therefore, for example, when the camera unit 5 is not used, or even when the camera unit 5 is used, the intercom master unit 1 can meet the user's request to cover the lens member 21 as needed, such as when calling from a courier. can do.

Further, the front surface of the camera case 22 constituting the camera unit 5 is formed on a circumferential surface centered on a shaft portion 26 which is a rotation axis when the camera unit 5 is tilted, while the cover plate 13 and the second cover plate 13 and the second. A circular arc concave sliding surface 15 having the same diameter as the circumferential surface is formed on the rear surface of the pillar portion 14b of the above, and the shutter 11 is in a state where the sliding surface 15 is in contact with the front surface of the camera case 22. It is attached and slides in the left-right direction while maintaining the contact state. Therefore, the camera unit 5 can be tilted regardless of the position of the shutter 11, which is convenient.

Further, a camera window 4 is opened in the decorative panel 8, and an operation window 41 that is long in the left-right direction is opened in the front case 2. With the cover plate 13 fitted in the operation window 41, the shutter 11 is released. It is attached so that it can slide in the left-right direction. Further, a first pillar portion 14a and a second pillar portion 14b are provided on the left side of the cover plate 13, and an opening surrounded by the left edge of the cover plate 13 and the leading edge of the guide plate 12 is used as the lens window 14. ing. The position where the second pillar portion 14b abuts on the left edge of the operation window 41 is the covering position, and the position where the cover plate 13 abuts on the right edge of the operation window 41 is the position where the lens member 21 abuts in the lens window 14. It is set to the exposed position. Therefore, the positioning of the covering position and the exposed position is very easy, and the sliding operation of the shutter 11 can be performed smoothly.

In addition, in the camera unit 5 in which the lens member 21 is sandwiched from the front and back by the camera case 22 and the sandwiching member 23, the front tongue piece 29 is provided on the camera case 22 and the rear tongue piece 34 is provided on the sandwiching member 23, respectively. The flexible cable 50 connected to the lens member 21 is sandwiched from the front and back by the anterior tongue piece 29 and the posterior tongue piece 34 at a position near the connection point to the lens member 21. Therefore, as the camera unit 5 is tilted, the position near the connection point of the flexible cable 50 to the lens member 21 also moves, but the position is caught by another member and a load is applied to the flexible cable 50. It is unlikely that such a situation will occur.

In the intercom device according to the present invention, not only the overall configuration of the intercom device but also the configuration related to the shutter can be appropriately changed as necessary without departing from the spirit of the present invention.

For example, in the above embodiment, the shutter is configured to slide in the left-right direction, but it can also be configured to slide in the up-down direction.
Further, by adjusting the left-right length and position of the operation window, the position where the left edge of the cover portion abuts on the left edge of the operation window becomes the covering position without providing a second pillar portion or the like. There is no problem with that. In other words, it is not necessary to provide a lens window surrounded by some member.
Further, the position of the camera window on the front surface of the main body case, and the position of the camera unit in the main body case can be appropriately changed in design, and it goes without saying that a plurality of camera units may be provided.
In addition, although the intercom master unit is described in the above embodiment, the present invention can be suitably adopted for other intercom devices such as intercom devices used in an apartment house.

1 ... Intercom master unit (intercom device), 2 ... Front case (main body case), 3 ... Rear case (main body case), 4 ... Camera window, 5 ... Camera unit, 8 ... Cosmetic panel (main body) Case), 11 ... Shutter, 12 ... Guide plate, 13 ... Cover plate (cover part), 14 ... Lens window, 15 ... Sliding surface, 21 ... Lens member (lens), 22 ... Camera Case, 22a ... Main body, 23 ... Holding member, 26 ... Shaft (rotating shaft), 27 ... Regulatory plate, 29 ... Front tongue piece, 34 ... Rear tongue piece, 41 ... Operation window, 47 ... Regulatory ribs, 48 ... Notches, 50 ... Flexible cables.

Claims (1)

A camera window is provided on the front surface of the main body case, and a camera unit having a lens is provided on the main body case so that the lens is exposed through the camera window and can be tilted. It ’s an intercom device,
A shutter provided with a cover portion capable of covering the lens between the inner surface of the main body case and the camera unit, the covering position where the cover portion is located in front of the lens and covers the lens, and the above. The cover portion is provided so as to be slidable along the inner surface of the main body case between the position where the cover portion is displaced from the front of the lens to any of the upper, lower, left and right positions and the exposed position where the lens is exposed.
The front surface of the camera unit is formed on a circumferential surface centered on a rotation axis related to a tilt operation, while an arc concave sliding surface having the same diameter as the circumferential surface is formed on the rear surface of the cover portion. Has been formed and
The shutter is an intercom device that is provided with the sliding surface in contact with the circumferential surface and slides while maintaining the contact state.

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