JP2013092600A - Electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic device that can have an external cover easily fitted to a ceiling.SOLUTION: An external flange 62 of an external cover 6 is provided with: a first through hole 63 through which a screw head of a cover fixing screw 8 is run; a first long hole 64 which communicates with the first through hole 63 and extends arcuately from the first through hole 63, and through which the screw head of the fixing screw 8 is not run; and a recessed part 65 which is formed from one end to the other end of the first long hole 64, and in which the screw head of the cover fixing screw 8 is fitted. A step 67 is formed at an edge part of a connection part between the first through hole 63 and first long hole 64 by providing the recessed part 65.

Description

  The present invention relates to an electronic device, and more particularly, to an electronic device including an attachment stay, an electronic device attached to the attachment stay, and an external cover attached to the attachment stay.

  As the electronic device described above, for example, a dome type camera 100 shown in FIGS. 8 and 9 is known (Patent Document 1). As shown in FIG. 8, the dome type camera 100 includes a camera unit 101 for performing photographing, and a cover portion 102 for covering the camera unit 101. As shown in FIG. 8, the camera unit 101 includes a chassis 103 as an attachment stay attached to a ceiling as an attachment surface, a camera lens 104 as an electronic device attached to the chassis 103, and a camera lens 104 in the chassis 103. A camera base 105 and a camera mounting portion 106 for mounting the camera. The chassis 103 has first engagement receiving portions 107 a and 107 b for engaging the cover portion 102 with the camera unit 101. The camera base 105 and the camera mounting portion 106 are provided to adjust the tilt and rotation of the shooting direction of the camera lens 104, and are adjusted so that a predetermined direction can be shot.

  The cover unit 102 includes a ring-shaped cover base material 108 attached to the chassis 103, a dome-shaped external cover 109 that covers the camera unit 101, and a dome-shaped internal cover 110 that is positioned inside the external cover 109. doing. The cover base material 108 includes first engagement portions 111 a and 111 b that engage with first engagement receiving portions 107 a and 107 b provided on the chassis 103, and an outer cover 109 and an inner cover portion 110 for supporting the first engagement portions 111 a and 111 b. A first stop receiving portion 112 (FIG. 9) protruding from the inner peripheral surface is provided.

  As shown in FIG. 9, the external cover 109 includes a hollow external dome portion 113 that covers the camera unit 101, a flange-shaped first end portion 114 that protrudes outward from the edge of the external dome portion 113, and have. As shown in FIG. 9, the inner cover 110 includes an inner dome portion 115 provided along the inner side of the outer dome 113, and a flange-shaped second end portion that protrudes outward from the edge of the inner dome portion 115. 116.

  When the external cover 109 configured as described above is inserted into the cover base material 108 from above, the first end 114 provided on the external cover 109 is overlaid on the first stop receiving portion 112 provided on the cover base material 108. The outer cover 109 is supported by the cover base material 108. Further, when the inner cover 110 is inserted into the cover base material 108 from above, the second end portion 116 provided on the inner cover 115 is superimposed on the first end portion 114 provided on the outer cover 109, and the inner cover 110 is also formed. Supported by the cover substrate 108. As described above, the first engagement receiving portion 107a provided with the first stop receiving portion 112 of the cover base material 108 on the chassis 106 with the outer base portion 109 and the inner cover portion 110 supported by the cover base material 108, The engagement is completed by engaging with 107b.

  According to the dome type camera 100 described above, the cover base 108 is required to fix the outer cover 109 and the inner cover 110 to the chassis 103, which increases the cost. In addition, when the first engagement portions 111a and 111b of the cover base material 108 are engaged with the first engagement receiving portions 107a and 107b of the chassis 103, respectively, the operation is performed in a state where the engagement portions are not visible. There was also a problem that it was not known if it was engaged. Since the first engaging portions 111a and 111b of the cover base 108 are only engaged with the first engaging receiving portions 107a and 107b of the chassis 103, respectively, the resin forming portion due to the vibration of the vehicle and the temperature change in the vehicle interior is provided. There is a problem that the engagement may be loosened due to expansion and contraction.

  Therefore, the camera unit 101 is provided with a screw hole to be screwed into the mounting screw, for example, a long hole is provided in the first end portion 114 of the outer cover 109 and the second end portion 116 of the inner cover 110, and the camera unit 101 is provided with the mounting screw. It is conceivable to attach the outer cover 109 and the inner cover 110. However, in a state where the outer cover 109 and the inner cover 110 are pressed against the camera unit 101 attached to the ceiling by hand so that the elongated holes of the outer cover 109 and the inner cover 110 overlap the screw holes of the camera unit 101, There has been a problem that it is very difficult to screw the elongated hole and the screw hole through the mounting screw.

JP 2004-356668 A

  Therefore, an object of the present invention is to provide an electronic device to which an external cover can be easily attached.

  The invention according to claim 1 for solving the above-described problem is an electronic device including an attachment stay, an electronic device attached to the attachment stay, and an external cover attached to the attachment stay. The external cover further includes a mounting screw that is screwed into a screw hole provided in the external cover, and the external cover includes an external cover body that covers the electronic device, and an external flange that protrudes outward from a peripheral edge of the external cover body. The outer flange includes a first through hole through which the screw head of the mounting screw passes, and a first elongated hole communicating with the first through hole and extending in an arc shape from the first through hole, A first elongated hole through which the screw head of the mounting screw does not pass is provided, and a peripheral edge of the first elongated hole is provided so that a step is provided at a peripheral edge of a connection portion between the first through hole and the first elongated hole. It is provided in a concave shape It consists in an electronic device, wherein the door.

  The invention according to claim 2 further includes an inner cover provided along the inner side of the outer cover, the inner cover covering the electronic device, and an outer periphery from the periphery of the inner cover body. An internal flange protruding and overlaid on the external flange, wherein the internal flange is overlaid on the first through hole and through which the screw head can pass, and the first oblong hole And a second elongated hole through which the screw head cannot pass, and the first through hole and the second through hole overlap the outer cover and the inner cover, 2. The electronic device according to claim 1, wherein positioning means for positioning each other is provided at a position where the elongated hole and the second elongated hole overlap each other.

  According to a third aspect of the present invention, the mounting stay protrudes from a disk-shaped electronic device mounting portion in which a screw hole for mounting the electronic device is formed, and an outer edge of the electronic device mounting portion, and the mounting screw is screwed. A cover mounting portion provided with a screw hole to be joined and a stay mounting portion protruding from an outer edge of the electronic device mounting portion and formed with a screw hole are integrally provided by punching one metal plate. The stay mounting portion is formed in a first bent portion that is bent perpendicularly to the electronic device mounting portion, and is formed on the tip side of the first bent portion, and is parallel to the electronic device mounting portion toward the outside. The electronic device according to claim 1, wherein the screw hole is formed at a tip of the second bent portion.

  A fourth aspect of the invention resides in the electronic device according to any one of the first to third aspects, wherein the electronic device is a camera.

  As described above, according to the first aspect of the present invention, after the mounting screw is screwed into the mounting stay attached to the ceiling or the like as the mounting surface, the screw head of the mounting screw is passed through the first through hole of the outer cover. Then, the outer cover can be rotated to pass the shaft of the mounting screw through the first slot. Since the first oblong hole is provided so as not to pass the screw head, the outer cover will not fall because it is supported by the screw head even if the hand is removed from the outer cover. Further, even if the outer cover rotates in the direction in which the screw shaft passed through the first elongated hole is directed toward the first through hole during the work, the screw head contacts the step and is rotated to the first through hole. This prevents the external cover from dropping during work. Then, after adjusting the mounting position by rotating the outer cover within the range where the mounting screw is inserted into the first oblong hole, it can be fixed at that position by further tightening the mounting screw. Can be attached.

  According to the second aspect of the present invention, the first cover hole and the second cover hole overlap the outer cover and the inner cover, and the positioning means fixes the first elongated hole and the second elongated hole to each other at the overlapping position. Since the outer cover and the inner cover are positioned so as to overlap each other, the outer cover and the inner cover can be collectively attached to the mounting stay, and the outer cover and the inner cover can be easily attached to the ceiling or the like. Can do.

  According to the third aspect of the present invention, when the first and second bent portions are provided in the stay mounting portion, the electronic device mounting portion and the cover are arranged when the tip is placed on the ceiling or the like rather than the second bent portion. A gap is formed between the mounting portion and the ceiling, and a screw can be screwed to the electronic device mounting portion and the cover mounting portion by a simple manufacturing method in which a single metal plate is punched.

  According to the invention described in claim 4, it is possible to easily attach the outer cover of the camera.

It is a perspective view which shows one Embodiment of the dome shape camera as an electronic apparatus of this invention. It is a disassembled perspective view of the dome type camera shown in FIG. It is the elements on larger scale of FIG. 1A to 1C are a side view, a front view, and a rear view of the dome type camera shown in FIG. It is the II sectional view taken on the line of FIG. 4 (B). It is a perspective view for demonstrating the assembly procedure of the dome shape camera shown in FIG. It is a perspective view for demonstrating the assembly procedure of the dome shape camera shown in FIG. It is a disassembled perspective view which shows an example of the dome type camera as a conventional electronic device. It is sectional drawing of the dome shape camera shown in FIG.

  Hereinafter, a dome type camera as an electronic apparatus according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 2 and 5, the dome type camera 1 is attached to the mounting stay 2, the mounting stay fixing screw 3 for screwing the mounting stay 2 to the ceiling or the like as the mounting surface, and the mounting stay 2. The camera unit 4, the camera unit fixing screw 5 for attaching the camera unit 4 to the attachment stay 2, the external cover 6 and the internal cover 7 attached to the attachment stay 2, and the external cover 6 and the internal cover 7 to the attachment stay 2. And a cover fixing screw 8 as an attachment screw for attaching to the cover.

  The mounting stay 2 protrudes from a camera mounting portion 21 as a disk-shaped electronic device mounting portion formed with a camera unit fixing screw hole 21a into which the camera unit fixing screw 5 is screwed, and an outer edge of the camera mounting portion 21. Three cover mounting portions 22 provided with cover fixing screw holes 22a into which the cover fixing screws 8 are screwed, and mounting stay fixing screw holes 23a that protrude from the outer edge of the camera mounting portion 21 and into which the mounting stay fixing screws 3 are screwed. The three stay mounting portions 23 formed with are integrally provided by punching one metal plate.

  The cover attachment portion 22 and the stay attachment portion 23 are alternately provided along the outer edge of the camera attachment portion 21. Of the five camera unit fixing screw holes 21a provided in the cover attaching portion 22, four are provided at the apex position of the square, and the remaining one is provided at the center of the square. In this way, the camera unit 4 can be attached to the attachment stay 2 at a position rotated by 90 degrees.

  The stay attaching portion 23 is formed on the distal end side of the first bent portion 23b, and a first bent portion 23b bent perpendicularly to the camera attaching portion 21 toward the ceiling along the outer edge of the camera attaching portion 21. And a second bent portion 23c bent in parallel with the camera mounting portion 21 toward the outside, and a mounting stay fixing screw hole 23a is formed at the tip of the second bent portion 23c. The mounting stay fixing screw hole 23 a is formed in an elongated hole along the outer edge of the camera mounting portion 21.

  The camera unit 4 includes a camera 41 that performs shooting, a camera stay 42 that is attached so that the tilt of the shooting direction of the camera 41 can be adjusted, and a camera fixing screw 43 that is used to attach the camera 41 to the camera stay 42. . A cable 44 is drawn from the camera 41.

  The outer cover 6 prevents intrusion of dust and the like from a camera cutout 71a of the inner cover 7 described later, and is made of a transparent material such as transparent plastic. The external cover 6 includes an external dome 61 as a dome-shaped external cover body that covers the camera unit 4, and an external flange 62 that protrudes outward from the peripheral edge of the external dome 61. As shown in FIGS. 3 to 5, the external flange 62 includes a first external flange portion 62 a parallel to the ceiling provided on the external dome 61 side, and an end portion of the first external flange portion 62 a away from the external dome 61. And a second external flange portion 62b provided so as to stand from the ceiling toward the ceiling.

  As shown in FIGS. 3 and 4, the first outer flange portion 62 a communicates with the first through hole 63 through which the screw head of the cover fixing screw 8 passes and the first through hole 63. A first elongated hole 64 extending in an arc from 63, which does not pass through the screw head of the cover fixing screw 8, and a positioning recess 66 for positioning the inner cover 7 described later (FIG. 4 ( C)) and are provided. Further, as shown in FIG. 3, a recess 65 is formed at the periphery of the first long hole 64 so that a step 67 is provided at the edge of the connecting portion between the first through hole 63 and the first long hole 64. ing.

  The recess 65 is formed from one end to the other end of the first elongated hole 64, and the width thereof is larger than the diameter of the screw head of the cover fixing screw 8 so that the screw head of the cover fixing screw 8 can be fitted. It is a little larger. As shown in FIG. 4C, the positioning recess 66 is provided on the ceiling-side surface of the first external flange portion 62a, and is provided at three positions of 120 degrees with the center of the camera mounting portion 21 as the central axis. ing. As shown in FIG. 4A, the second outer flange portion 62b is provided with a cable notch 68 for drawing the cable 44 to the outside.

  The inner cover 7 is made of an opaque material so that the camera unit 4 cannot be seen from the outside, and is provided along the inside of the outer cover 6. The inner cover 7 is provided with an inner dome 71 as a dome-shaped inner cover body provided along the inner side of the outer dome 61 in FIGS. And an internal flange 72 that is superposed on 62. The internal dome 71 is provided with a camera cutout 71a, and the camera unit 4 takes a picture through the camera cutout 71a.

  As shown in FIGS. 3 and 5, the inner flange 72 includes a first inner flange portion 72a parallel to the ceiling provided on the inner dome 71 side, and a side away from the inner dome 71 of the first inner flange portion 72a. 2nd internal flange part 72b provided by standing from the edge part toward the ceiling.

  The first inner flange portion 72 a is overlapped with the first outer flange portion 62 a of the outer cover 6. As shown in FIG. 2, the first internal flange portion 72 a is overlapped with the first through hole 63 and can pass the screw head of the cover fixing screw 8, and the first elongated hole 64. And a second elongated hole 74 through which the screw head of the cover fixing screw 8 cannot pass, and a positioning convex portion 75 as positioning means for positioning the outer cover 6 are provided.

  The second through hole 73 and the second elongated hole 74 are connected. As shown in FIG. 2, the positioning convex portions 75 are provided on the surface of the first internal flange portion 72a away from the ceiling, and are provided at three positions of 120 degrees with the center of the camera mounting portion 21 as the central axis. And can be fitted into a positioning recess 66 as positioning means provided on the outer cover 6. The second inner flange portion 72 b is overlapped with the first outer flange portion 62 a of the outer cover 6. The second internal flange portion 72b is provided with a cable notch 76 for pulling out the cable 44.

  Next, the order of attaching the dome type camera 1 having the above-described configuration will be described. First, as shown in FIG. 6, the camera unit 4 is fixed to a desired position of the mounting stay 2 with the camera unit fixing screw 5, and the cover fixing screw 8 is temporarily tightened into the cover fixing screw hole 22 a of the mounting stay 2. deep. Next, the attachment stay 2 is attached to the ceiling with the attachment stay fixing screw 3.

  Further, the outer cover 6 and the inner cover 7 are overlapped so that the positioning convex portion 75 provided in the inner cover 7 and the positioning concave portion 66 provided in the outer cover 6 are fitted. Thereby, the cable notches 68 and 76 of the outer cover 6 and the inner cover 7, the first through hole 63 and the second through hole 73, the first long hole 64 and the second long hole 74 overlap each other. After that, as shown in FIG. 7A, the cable 44 is passed through the cable cutouts 68 and 76 with the cable cutouts 68 and 76 overlapped with each other in the drawing direction of the cable 44. Next, the screw heads of the cover fixing screws 8 temporarily fastened to the mounting stays 2 are passed through the first through holes 63 and the second through holes 73 of the outer cover 6 and the inner cover 7, and the outer cover 6 and the inner cover 7 are watched. By turning in the direction, as shown in FIG. 7B, the shaft of the cover fixing screw 8 is passed through the first elongated hole 64 and the second elongated hole 74, and the screw head is fitted into the recess 65. As a result, even if the hand is released from the outer cover 6 and the inner cover 7, the outer cover 6 and the inner cover 7 will not fall.

  In addition, the outer cover 6 and the inner cover 7 are arranged in such a direction that the screw shaft of the cover fixing screw 8 passed through the first elongated hole 64 and the second elongated hole 74 with some beat toward the first through hole 63 and the second through hole 73. , The screw head of the cover fixing screw 8 abuts against the step 67 and is not rotated to the first through hole 63 and the second through hole 73, so that the outer cover 6 and the inner cover 7 are operated during the operation. Never fall.

  Thereafter, as shown in FIG. 7C, fine adjustment is performed while rotating the outer cover 6 and the inner cover 7 so that the center of the camera notch 71a of the inner cover 7 is the center of the camera unit 4, and the cover is covered with a screwdriver or the like. The fixing screw 8 is tightened to complete the installation.

  According to the dome-type camera 1 described above, the external flange 62 of the external cover 6 communicates with the first through hole 63 through which the screw head of the cover fixing screw 8 passes and the first through hole 63. 63, a first long hole 64 extending in an arc shape and passing through the screw head of the cover fixing screw 8 is provided, and the first through hole 63 and the first long hole 64 are A recess 65 is provided on the periphery of the first slot 64 so that a step 67 is provided on the periphery of the connecting portion. As a result, after the cover fixing screw 8 is screwed onto the mounting stay 2 attached to the ceiling as described above, the outer cover 6 is then passed from the first through hole 63 of the outer cover 6 through the screw head of the cover fixing screw 8. By rotating, the shaft of the cover fixing screw 8 can be passed through the first long hole 64 and the screw head can be fitted into the recess 65. Since the first elongated hole 64 is provided so as not to pass the screw head, the outer cover 6 will not fall because it is supported by the screw head even if the hand is removed from the outer cover 6. Further, even when the outer cover 6 rotates in the direction in which the screw shaft passed through the first elongated hole 64 is directed toward the first through hole 63 during the work, the screw head contacts the step and reaches the first through hole 63. Since it is not rotated, it is possible to prevent the outer cover 6 from falling during the operation. Then, after adjusting the mounting position by rotating the outer cover 6 within a range where the cover fixing screw 8 is inserted into the first elongated hole 64, the cover fixing screw 8 can be further tightened to fix at that position. Therefore, the external cover 6 can be easily attached to the ceiling.

  Further, according to the dome camera 1 described above, the first through hole 63 and the second through hole 73 overlap the outer cover 6 and the inner cover 7, and the first long hole 73 and the second long hole 74 are formed. Since the positioning concave portion 66 and the positioning convex portion 75 that are fixed to each other at the overlapping positions are provided, after positioning the outer cover 6 and the inner cover 7 so as to overlap each other, the outer cover 6 and the inner cover 7 are collectively put together. The outer cover 6 and the inner cover 7 can be easily attached to the ceiling.

  Moreover, according to the dome-type camera 1 described above, when the first and second bent portions 23b and 23c are provided on the stay attaching portion 23, the tip is placed on the ceiling more than the second bent portion 23b. There is a gap between the camera attachment portion 21 and the cover attachment portion 22 and the ceiling, and the camera unit fixing screw 5 is attached to the camera attachment portion 12 and the cover attachment portion 22 by a simple manufacturing method of punching one metal plate. The cover fixing screw 8 can be screwed together.

  In addition, although embodiment mentioned above mentioned what was applied to the dome type camera 1 provided with the outer cover 6 and the inner cover 7, this invention is not limited to this. Any electronic device may be used as long as it is attached to the ceiling, and is not limited to the dome-type camera.

  Moreover, although the mounting stay 2 described above is provided by punching one metal plate, the present invention is not limited to this. The mounting stay 2 may be made of resin or the like.

  In the above-described embodiment, the positioning recess 66 is provided in the outer cover 6 and the positioning projection 75 is provided in the inner cover 7, but the present invention is not limited to this. For example, the positioning convex portion 75 may be provided on the outer cover 6 and the positioning concave portion 66 may be provided on the inner cover 7.

  Moreover, although the camera unit 4 mentioned above was attached to the attachment stay 2 by screwing, this invention is not limited to this. You may make it attach to the attachment stay 2 by engagement.

  Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

1 Dome camera (electronic device)
2 Mounting stay 6 External cover 7 Internal cover 8 Cover fixing screw (Mounting screw)
21 Camera mounting part (electronic equipment mounting part)
22 Cover mounting portion 23 Stay mounting portion 23b First bent portion 23c Second bent portion 22a Cover fixing screw hole (screw hole)
61 External dome (external cover body)
62 External flange 63 First through hole 64 First elongated hole 65 Concave part 66 Positioning concave part (positioning means)
67 steps 71 internal dome (internal cover body)
72 Internal flange 73 Second through hole 74 Second elongated hole 75 Positioning convex portion (positioning means)

Claims (4)

In an electronic device comprising an attachment stay, an electronic device attached to the attachment stay, and an external cover attached to the attachment stay,
A mounting screw that is screwed into a screw hole provided in the mounting stay;
The external cover is composed of an external cover body that covers the electronic device, and an external flange that protrudes outward from a peripheral edge of the external cover body,
The external flange includes a first through hole through which a screw head of the mounting screw passes, and a first elongated hole that communicates with the first through hole and extends in an arc shape from the first through hole. A first oblong hole through which the screw head of the screw is not passed,
The electronic device according to claim 1, wherein a peripheral edge of the first long hole is provided in a concave shape so that a step is provided at a peripheral edge of a connection portion between the first through hole and the first long hole. An inner cover provided along the inner side of the outer cover;
The inner cover is composed of an inner cover body that covers the electronic device, an inner flange that protrudes to the outside from a peripheral edge of the inner cover body, and is superimposed on the outer flange.
The internal flange is overlapped with the first through hole and can pass the screw head, and the second through hole is overlapped with the first long hole and cannot pass the screw head. And provided,
The outer cover and the inner cover are each provided with positioning means for positioning the first through hole and the second through hole at positions where the first long hole and the second long hole overlap each other. The electronic device according to claim 1, wherein: The mounting stay is provided with a disk-shaped electronic device mounting portion in which a screw hole for mounting the electronic device is formed, and a screw hole that protrudes from an outer edge of the electronic device mounting portion and screwes the mounting screw. A cover mounting portion and a stay mounting portion that protrudes from the outer edge of the electronic device mounting portion and is formed with a screw hole are integrally provided by punching one metal plate,
The stay mounting portion is formed at a first bent portion that is bent perpendicularly to the electronic device mounting portion, and at a tip side from the first bent portion, and is parallel to the electronic device mounting portion toward the outside. The electronic device according to claim 1, further comprising: a bent second bent portion, wherein the screw hole is formed at a tip of the second bent portion.   The electronic device according to claim 1, wherein the electronic device is a camera.

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