JP3587091B2 - Door phone with camera - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
[0002]
The present invention relates to a door phone with a camera having an operation lever for adjusting an imaging direction of a camera unit rotatably supported on a camera, and more particularly, to a door phone with a camera that can easily position the operation lever and perform an assembling operation.
[Prior art]
[0003]
FIG. 6A is a schematic view showing an outline of a conventional camera-equipped door phone. As shown in FIG. 6A, a back body 103 in which an operation lever 102 for adjusting the imaging direction of the camera unit 100 is exposed is mounted on a front cover 101 in which a camera unit 100 rotatably supported is built. An intercom with a camera 104 configured by assembling is known.
[0004]
The operation lever 102 slides the operation unit 105 exposed from the back body 103 in the vertical direction, so that the camera unit 100 is engaged with the engagement unit 107 engaged with the engagement unit 106 at the tip of the operation lever 102. Is applied to the camera unit 100, and the camera unit 100 is rotated about a shaft 108 provided on the camera unit 100 as a center of rotation.
[0005]
FIG. 6 (b) is a schematic view for explaining an assembling procedure of a conventional door phone with a camera. In the assembling operation of the camera-equipped door phone 104, the camera unit 100 is rotatably supported and mounted on the front cover 101, and the operation lever 102 is attached to the back body 103 in a slidable manner. Then, the engaging portion 106 of the operation lever 102 is engaged with the engaged portion 107 of the camera unit 100, and the back body 103 is attached to the front cover 101 to complete the assembling work. Task】
[0006]
However, in this assembling operation, it is not possible to engage the engaging portion of the operation lever attached to the back cover in a vertically slidable manner with the engaged portion of the camera unit rotatably supported. ,Have difficulty. That is, the engaged portion of the camera unit operates to move in the rotation direction when an external force is applied, and the operation lever attached to the back body operates to slide up and down. The parts cannot be smoothly engaged.
[0007]
Therefore, it takes time and effort to assemble the unit, assemble the operation lever that cannot be easily assembled to the front cover, align the window hole of the back body with this operation lever, and it is difficult to attach the back body to the front cover. There was a problem.
[0008]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and provides a door phone with a camera capable of quickly and easily assembling a back body and a front cover.
[Means for Solving the Problems]
[0009]
In order to achieve the above object, a door phone with a camera according to claim 1 is a back body in which an operation lever for adjusting an imaging direction of the camera unit is exposed on a front cover having a built-in rotatably supported camera unit. In the intercom with a camera configured by assembling, the operation lever is provided with an engagement portion for engaging the camera unit in a rotatable state, and is provided in an alignment groove of a support portion provided on the front cover. The camera is provided with a positioning shaft portion which is fitted and fixed in a rotatable state, and is rotated in the same direction as the rotation direction of the camera unit. According to the first aspect of the present invention, if the alignment shaft provided on the operation lever is fitted into the alignment groove of the support provided on the inner surface of the front cover, the engagement portion of the operation lever and the engagement portion of the camera unit can be formed. The operation lever is fixed to the camera unit in the engaged state. Therefore, if the back body is put on the front cover as it is, the operation portion of the operation lever is exposed from the window hole of the back body, and the assembling can be easily performed.
[0010]
According to a second aspect of the present invention, in the first aspect of the present invention, a part of the camera unit is formed with an engagement portion protruded from the operation lever and a hole for inserting a positioning shaft. At the same time, an engaged portion of the camera unit and a positioning groove of the support portion are provided at positions corresponding to the engaging portion and the positioning shaft portion, respectively. According to the second aspect, if the engaging portion and the positioning shaft of the operation lever are inserted into the hole of the camera unit, the engaging portion is the position of the engaged portion of the camera unit and the positioning shaft is the position of the supporting portion. Each of the holes can be engaged with the alignment groove, and the mounting position is clearly indicated by the hole, so that the assembling can be performed more easily.
[0011]
According to a third aspect of the present invention, there is provided a door phone with a camera according to any one of the first and second aspects, wherein one end of the operation lever is provided with an engaging portion for engaging with an engaged portion provided on the camera unit, and the other end is provided. Has a structure in which a finger operation unit exposed through a window hole of the back body is provided. According to the third aspect, when the finger operating portion provided at the other end of the operation lever is rotated, the engaging portion provided at the one end rotates in the opposite direction, and the engaged portion engaged with the engaging portion further rotates. Through the section, the camera unit can be rotated in the same direction as the finger operation section around its rotation axis (provided separately from the positioning axis of the operation lever). In the conventional sliding and rotating operation levers, the finger operation part and the vertical movement of the camera were in the opposite relationship, but in the present case, since they are in the same direction, the display of the window hole that exposes the finger operation part Since the top and bottom coincide, the operation is easy to understand without causing an erroneous operation.
[0012]
In the door phone with camera according to claim 4, in claim 3, the operation lever is provided with a corresponding engagement portion that engages with the camera unit at one end of the arc-shaped main body, and a finger operation portion at the other end. And a recess corresponding to the shape of the arc-shaped main body of the operation lever is formed in the window hole of the back body. In the fourth aspect, the operation lever is provided with the arc-shaped main body, and the recess corresponding to the shape of the arc-shaped main body is formed in the window. If the back body is placed on the front cover so as to be more exposed, the arc-shaped main body of the operation lever is guided by being fitted into the recess, so that the operation section can be smoothly rotated without falling out.
[0013]
In the door phone with a camera according to claim 5, in claim 4, a plurality of angle holding recesses are formed on one side surface of the arc-shaped main body at regular intervals, and the angle holding recesses in the window hole are formed. An angle holding projection is formed on the contact surface. According to the fifth aspect, the angle holding recess fits into the angle holding projection, so that the imaging angle of the camera unit can be held.
[0014]
A door phone with a camera according to claim 6 is, in any one of claims 4 and 5, on one side where the angle holding recess is formed, and in an arc direction near a side end of the arc-shaped main body, A slit for providing elasticity to the angle holding recess is formed. According to the sixth aspect, when the angle holding projection is fitted into the angle holding recess, the state can be maintained with appropriate elasticity.
[0015]
According to a seventh aspect of the present invention, in the doorphone with a camera according to any one of the third to sixth aspects, the window hole restricts both sides so that the operation lever can move only in the rotation direction, and has an arc-shaped main body fitted therein. It is formed so as not to fall off. According to the seventh aspect, since the arc-shaped main body portion does not fall off, the operation lever can be assembled to the front cover with the operation lever fitted to the back body.
[0016]
An intercom with a camera according to claim 8, wherein the camera unit according to any one of claims 1 to 7, wherein the camera unit has a circuit board on which a circuit component such as a CCD element is mounted on a pedestal on which a camera lens and an LED are mounted. I have to. According to the eighth aspect, a pedestal on which a camera lens and an LED, which are components different from those of the printed circuit board, are mounted on the printed circuit board forming the electronic circuit. LEDs emit visible light and infrared light. By irradiating infrared rays and capturing an infrared image with a CCD element, it can be used as a dark camera.
According to a ninth aspect of the present invention, in the door phone with a camera according to any one of the first to eighth aspects, the operation lever is supported and engaged with the camera unit. According to the ninth aspect, since the operation lever engages with the camera unit in a supported state, the back body can be more easily assembled to the front cover. Here, "support" means that the operation lever is engaged with the camera unit in an upright state.
BEST MODE FOR CARRYING OUT THE INVENTION
[0017]
Hereinafter, a door phone with a camera according to the present invention will be described with reference to the drawings. FIG. 1 is a schematic diagram showing an outline of a door phone with a camera according to the present invention. The doorphone A with a camera includes a front cover 2 having a built-in camera unit 1 rotatably supported on a rotation shaft 11, and an operation lever 3 for adjusting an imaging direction of a camera 15 provided on the camera unit 1. An example of a door phone with a camera A in which the operation unit 31 is exposed from a window hole 41 of the back body 4 and the back body 4 is attached to the front cover 2 is illustrated.
[0018]
The operation unit 3 is configured to rotate the finger operation unit 31 exposed from the back body 4 in the vertical direction, so that the camera unit is connected to the engagement unit 32 engaged with the engagement unit 32 at the tip of the operation lever 3. 1 to rotate the camera unit 1 about the rotation shaft 11. 2 (a) to 2 (c) are schematic diagrams for explaining an assembling procedure of the doorphone A with camera according to the present invention. In the assembling operation of the camera-equipped door phone A, the camera unit 1 is rotatably supported on the camera and mounted inside the front cover 2. Next, the engaging portion 32 of the operating lever 3 is inserted into the hole 13 formed in the camera unit 1 to be engaged with the engaged portion 12, and the positioning shaft 33 of the operating lever 3 is moved to the front. The support portion 21 provided on the cover 2 is fitted into the alignment groove 21a so as to be rotatable.
[0019]
When the window 41 of the back body 4 is covered with the finger operation unit 31 using the finger operation unit 31 of the operation lever 3 as a guide, the finger operation unit 31 is exposed from the back body 4 and By assembling the body 4 to the front cover 2, the assembling work can be easily completed. [See FIG. 2 (c)]
Hereinafter, an embodiment of a door phone with a camera according to the present invention will be described with reference to the drawings. FIG. 3 is an exploded perspective view showing an embodiment of a door phone with a camera according to the present invention, and FIG. 4 is a longitudinal sectional view thereof. An embodiment according to the present invention will be described with reference to these drawings.
[0020]
3 and 4, A is a door phone with a camera, 1 is a camera unit, 11 is a rotating shaft, 12 is an engaged portion, 13 is a hole, 15 is a camera, 2 is a front cover, 21 is a support portion, and 21a is Positioning grooves, 3 are operating levers, 31 is a finger operating portion, 32 is an engaging portion, 33 is a positioning shaft portion, 4 is a back body, and 41 is a window hole.
[0021]
The operation lever 3 is provided with a corresponding engagement portion 32 for engaging with the camera unit 1 at one end of the arc-shaped main body portion 34, and a finger operation portion 31 at the other end. A recess 41b corresponding to the shape of the arc-shaped main body 34 of the operation lever 3 is formed in the window hole 41 of FIG. Therefore, when the back body 4 is put on the front cover 2, the arc-shaped main body portion 34 of the operation lever 3 is guided by being fitted into the recess 41b, so that the operation portion can be smoothly rotated without coming off.
[0022]
FIG. 5 is an enlarged explanatory view showing a state where an operation lever is fitted in the window hole. On one side surface of the arc-shaped main body portion 34, a plurality of angle holding recesses 34a are formed at regular intervals, and an angle holding protrusion 41a is formed on a surface of the window hole 41 that is in contact with the angle holding recess 34a. are doing.. By fitting the angle holding recess 34a into the angle holding protrusion 41a in this manner, the imaging angle of the camera unit 1 can be held.
[0023]
Further, on one side where the angle holding recess 34a is formed, a slit 34c that gives elasticity to the angle holding recess 34a is formed in an arc direction near the side end of the arc-shaped main body 34. . Therefore, when the angle holding projection 41a is fitted into the angle holding recess 34a, the state can be maintained with appropriate elasticity. The doorphone A with camera thus configured can be inserted into the hole 13 of the camera unit 1 rotatably mounted on the front cover 2 by inserting the tip of the operation lever 3 in the same manner as described with reference to FIG. The engaging portion 32 is engaged with the camera unit 1, and the positioning shaft portion 33 is fitted into the positioning groove 21a of the support portion 21, so that the operation lever 3 is supported and positioned.
[0024]
Then, by using the finger operation portion 31 of the operation lever 3 as a guide and fitting it into the window hole 41 of the back body 4, the back body 4 can be assembled to the front cover 2 as it is. When the operation lever 3 is attached to the camera unit 1 as described above, the operation lever 3 is engaged with the camera unit 1 while being supported. Easy to assemble.
[0025]
The operation lever 3 is basically assembled on the front cover 2 side of the camera unit 1. For example, the window hole 41 is regulated on both sides so that the operation lever 3 can move only in the rotation direction. At the same time, by forming the arc-shaped main body portion 34 so as not to fall off by being fitted, it is possible to assemble the operation lever 3 to the front cover 2 while being fitted to the back body 4 side.
[0026]
The camera unit 1 has a structure in which a circuit board on which circuit components such as a CCD element are mounted is fixed to a base on which a camera lens and an LED are mounted. In other words, since a pedestal on which a camera lens and an LED different from those of the printed circuit board are mounted is provided on a printed circuit board on which an electronic circuit is formed. If an infrared image is picked up by the camera, it can be used as a dark camera.
[0027]
ADVANTAGE OF THE INVENTION According to the door phone with a camera which concerns on this invention, an operation lever can be easily assembled | attached to a front cover only by assembling and positioning an operation lever to a front cover, and fitting a window hole of a back body to this operation lever. . Therefore, positioning of the operation lever is not required, and the assembling work can be performed quickly and easily.
[0028]
Also, if the engaging part of the operation lever and the positioning shaft are inserted into the hole of the camera unit, the engaging part is engaged with the engaged part of the camera unit, and the positioning shaft is positioned with the positioning groove of the supporting part. Each of them can be positioned and engaged, and the mounting position is clearly indicated by the hole, so that the assembling can be performed more easily.
[Brief description of the drawings]
FIG. 1 is a schematic diagram showing an outline of a door phone with a camera according to the present invention. FIG. 2 is a view for explaining an assembling procedure of a door phone with a camera A according to the present invention. FIG. 3 is an embodiment of a door phone with a camera according to the present invention. FIG. 4 is a longitudinal sectional view of FIG. 3. FIG. 5 is an enlarged explanatory view showing a state in which an operation lever is fitted into a window hole. FIG. 6A is a schematic view of a conventional door phone with a camera. FIG. 1 (b) is a schematic view for explaining an assembling procedure of a conventional door phone with a camera.
A Door phone with camera 1 Camera unit 11 Rotating shaft 12 Engaged part 13 Hole 15 Camera 2 Front cover 21 Support part 21a Alignment groove 3 Operation lever 31 Finger operation part 32 Engagement part 33 Alignment axis 4 Back body 41 Window hole

Claims (9)

In a front door with a built-in rotatable camera unit, a front door with a built-in back body exposing an operation lever to adjust the imaging direction of the camera unit, the operation lever, An engagement portion for engaging the camera unit in a rotatable state is provided, and an alignment shaft portion rotatably fitted and fixed in an alignment groove of the support portion provided on the front cover is provided. A camera-equipped door phone having a structure for rotating the camera unit in the same direction as the camera unit. 2. The camera unit according to claim 1, wherein an engagement portion protruded from the operation lever and a hole for inserting a positioning shaft are formed in a part of the camera unit. An intercom with a camera, wherein the engaged part of the camera unit and the alignment groove of the support part are provided at positions corresponding to the parts. 3. The operation lever according to claim 1, wherein one end of the operation lever is provided with an engagement portion that engages with an engaged portion provided on the camera unit, and the other end is exposed through a window hole of the back body. Doorphone with camera that has a structure with a finger operation unit. The operation lever according to claim 3, wherein the operation lever is provided with a corresponding engagement portion for engaging with the camera unit at one end of the arc-shaped main body, and a finger operation portion at the other end. A door phone with a camera, wherein the window hole has a recess corresponding to the shape of the arc-shaped main body of the operation lever. 5. The angle holding recess according to claim 4, wherein a plurality of angle holding recesses are formed on one side surface of the arc-shaped main body at regular intervals, and an angle holding protrusion is formed on a surface of the window hole that contacts the angle holding recess. Doorphone with camera. The slit for giving elasticity to the angle holding recess in one of the sides where the angle holding recess is formed, in the arc direction near the side end of the arc-shaped main body part according to claim 4 or 5. Doorphone with camera forming. The camera according to any one of claims 3 to 6, wherein the window is formed so that the operation lever is restricted on both sides so as to be movable only in the rotation direction, and the arc-shaped main body is fitted so as not to fall out. Door phone. The doorphone with camera according to any one of claims 1 to 7, wherein the camera unit has a structure in which a circuit board on which a circuit element such as a CCD element is mounted is fixed to a base on which a camera lens and an LED are mounted. The door phone with a camera according to any one of claims 1 to 8, wherein the operation lever is supported and engaged with a camera unit.

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