JP2015156018A - drive recorder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drive recorder that makes it possible to favorably and quickly replace a lens unit.

SOLUTION: A connection unit 34 that connects between a barrel 332 and an extension part 316 detachably comprises at least one first connection part 341 provided at a rear end side of the barrel 332, and at least one second connection part 342 provided corresponding to the first connection part 341, at the extension part 316 detachably from the first connection part 341.

COPYRIGHT: (C)2015,JPO&INPIT

Description

  The present invention relates to a drive recorder installed in a moving body such as a motorcycle.

  A drive recorder is an in-vehicle device that records video and audio of a moving body such as a motorcycle. It can be easily recorded and enjoyed while driving, speeding up traffic accident handling, and driving safely. There are also benefits such as raising awareness.

  FIG. 7 schematically shows an example of a conventional drive recorder attached to a motorcycle (see, for example, FIG. 4). This conventional drive recorder 1 has a camera unit 11 on which an image sensor 12 for recording video and audio is mounted, and a holder 16 provided integrally with the camera unit 11 so as to support the camera unit 11. A lens unit in which the front part 111 and the rear part 112 of the camera unit 11 in the traveling direction of the motorcycle are provided with openings, and the optical element 13 including a plurality of focusing lenses is housed and held in the lens barrel 14. The opening of the front part 111 is sealed and attached so that 15 becomes integral with the camera part 11 (for example, refer patent document 1). This conventional drive recorder 1 is electrically connected to the engine starting circuit of the motorcycle by a power cord provided to itself, and is driven by the lens unit 15 and the image sensor 12 so as to start photographing simultaneously with the starting of the motorcycle engine. The video and audio inside are recorded.

Taiwan registered utility model No.M418076

  This conventional drive recorder 1 uses a tool first when the lens in the lens unit 15 is contaminated by dust in the air or is directly hit by a pebbles jumping off the road surface while the motorcycle is running. After removing the end cap (not shown) attached to the rear end 112 and taking out the image pickup element 12, and then taking out the damaged lens unit 15, the new optical element 13 is attached to the lens barrel 14. The optical element 13 must be replaced with a new one by a procedure such as placing the lens unit 15 and the image sensor 12 on the camera unit 11. Therefore, there is a problem that it takes time to replace the new optical element 13. In addition, there is a problem that, when replacing, there is a problem that the new optical element 13 must be attached with care so that the new optical element 13 is not damaged and the focus is not shifted.

  The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a drive recorder capable of exchanging lens units satisfactorily and quickly.

  In order to achieve the above object, the present invention provides a drive recorder that is attached to a traveling vehicle and records video and audio during traveling. The drive recorder according to the present invention includes a camera unit including an imaging unit and a lens unit, and the camera unit includes a wall body that defines an accommodation space in which the imaging unit is accommodated and placed. In the front portion of the body in the traveling direction, which is the direction in which the moving body travels, there are an opening through which the accommodation space communicates with the outside, and an extending portion that protrudes outward from the periphery of the opening in the wall body perpendicularly. The lens unit is provided with a lens barrel having a light passage opening defined around the optical axis so as to be connected to the extending portion, and the light passage opening on a distal end side in the lens barrel. And an optical element mounted so as to seal the lens barrel, and further includes a connection unit that detachably connects the lens barrel and the extending portion, and the connection unit is provided on the rear end side of the lens barrel. At least one given And a first connection portion corresponding to the first connection portion and at least one second connection portion detachably provided on the extension portion. To do.

  In the drive recorder according to the present invention, the lens unit can be detachably attached to the camera unit by the connecting unit, so that the lens unit can be easily attached or removed without the need to rely on tools or the need to take out the imaging unit. Can be easily replaced with a new one.

1 is an assembled perspective view of a drive recorder according to an embodiment of the present invention. It is a perspective view which shows the extending | stretching part and lens unit in FIG. FIG. 3 is a cross-sectional side view of FIG. 2. It is a front view which shows an example of attachment of the drive recorder which concerns on this invention. It is a figure explaining the operation | movement which connects and mounts a lens unit with respect to an extending | stretching part. It is a perspective view which shows a connection unit. It is an assembly perspective view which shows an example of the conventional drive recorder.

  Hereinafter, a drive recorder according to an embodiment of the present invention will be described with reference to the accompanying drawings.

(Embodiment)
1 to 3 show a configuration of a drive recorder according to an embodiment of the present invention. As shown in the figure, the drive recorder 3 according to the present embodiment generally has a camera unit 31 on which an imaging unit 32 and a lens unit 33 are placed. By a mounting portion with a hole provided on the periphery of the camera unit 31, For example, the lens unit 33 is exposed to the front of the motorcycle 2 that is a traveling moving body shown in FIG. 4 and is mounted so as not to obstruct the rider's line of sight without obscuring the rider's line of sight. The imaging unit 32 and the lens unit 33 record video and audio while traveling. The front part is in front of the traveling direction of the moving body, and the rear part is behind the traveling direction of the moving body.

  The imaging unit 32 may be a conventionally known imaging device such as a charge sequential transfer type CCD image sensor or the like, or an XY address type CMOS image sensor.

  The camera unit 31 includes a wall body 315 that defines an accommodation space 30 in which the imaging unit 32 is accommodated and placed. The wall body 315 is, for example, a case shape so as to define the accommodating space 30 by joining the first frame body 311 having a recess and the second frame body 312 having a recess so that the recesses face each other. It is configured. The first frame body 311 that is the front portion of the wall body 315 has an opening 310 through which the accommodation space 30 communicates with the outside, and a cylindrical shape from the periphery of the opening 310 of the first frame body 311 toward the outside. The extending portion 316 that protrudes is provided integrally.

  The lens unit 33 is provided so as to cover the extending portion 316 and to be connected to the extending portion, and includes a lens barrel 332 having a light passage port 331 defined by surrounding the optical axis as a central axis, And an optical element 333 mounted on the distal end side so as to seal the light passage port 331. The light passage port 331 is provided so as to communicate with the opening 310. The optical element 333 includes a plurality of focusing lenses.

  The drive recorder 3 according to this embodiment further includes a connection unit 34 that removably connects the lens barrel 332 and the extending portion 316. As an example, the connection unit 34 is, for example, as shown in FIGS. 2, 3, and 5, a first unit provided on the inner peripheral surface on the rear end side of the lens barrel 332 so as to be connected to and disconnected from each other. And a second connecting portion 342 provided on the outer peripheral surface of the extending portion 316 corresponding to the first connecting portion 341.

  In this embodiment, the first connecting portion 341 is formed as a plurality of, for example, two convex portions protruding in the radial direction around the central axis at intervals from the inner peripheral surface on the rear end side of the lens barrel 332. Has been. The second connecting part 342 is connected to the first connecting part 341 corresponding to the first connecting part 341 so as to be able to be engaged with the first connecting part 341 so that the second connecting part 342 is connected to the outer peripheral surface of the extending part 316 with a central axis. Are formed as two connecting grooves which are recessed in the circumferential direction. The 1st connection part 341 and the 2nd connection part 342 should just be the structure connected so that attachment or detachment was firmly possible, and it does not restrict | limit to the number and form.

  The second connecting portion 342 is formed as an L-shaped connecting groove by a lateral groove 343 extending along the circumferential direction and a vertical groove 344 extending in the axial direction parallel to the central axis.

  The longitudinal groove 344 is configured to guide the first connecting portion 341 so as to move to the lateral groove 343 side. In this embodiment, the outer peripheral surface of the extending portion 316 and the inner peripheral surface of the lens barrel 332 are in contact with each other. The first connecting portion 341 that has become a convex portion moves toward the horizontal groove 343 along the axial direction while being guided through the vertical groove 344 from the one end 344a side of the vertical groove 344 away from the horizontal groove 343. When the lens barrel 332 is rotated with respect to the extending portion 316 after striking the other end wall 344b of the 344 near the lateral groove 343, the first connecting portion 341 slides in the lateral groove 343, and the vertical groove 343 One end 344a of the longitudinal groove 344 is open so as to communicate with the outside so as to abut against the first end wall 343a that is separated from the groove 344.

  When the first connecting portion 341 is moved to the horizontal groove 343, the horizontal groove 343 moves from the second end wall 343b near the vertical groove 344 to the first end wall 343a and is moored. The lateral groove 343 gradually decreases in width from the second end wall 343b toward the first end wall 343a, but the lateral groove 343 gradually increases from the second end wall 343b toward the first end wall 343a. The lateral groove 343 gradually decreases in width from the second end wall 343b toward the first end wall 343a and gradually decreases from the second end wall 343b toward the first end wall 343a. It may be shallow.

  In the drive recorder 3 according to this embodiment, a waterproof unit 35 that prevents water from entering the imaging unit 32, the lens unit 33, and the like is further provided between the extending portion 316 and the lens barrel 332 in a detachable manner. The waterproof unit 35 closes the gap between the lens barrel 332 and the extending portion 316 in a state where the lens barrel 332 and the extending portion 316 are connected so that moisture does not enter. It is attached to the extending part 316 so as to be detachable so as to be between the tube 332 and the extending part 316. A mounting groove extending in the circumferential direction for attaching the waterproof unit 35 is provided on the rear side of the outer peripheral surface of the second connecting portion 342 of the extending portion 316, and the rear side of the inner peripheral surface of the lens barrel 332 is also waterproof. A mounting groove extended in the circumferential direction for attaching the unit 35 is provided. When the mounting groove of the extending portion 316 and the mounting groove of the lens barrel 332 are opposed to each other, an endless ring tunnel is formed, and the waterproof unit 35 can be mounted stably.

  The waterproof unit 35 uses an O-ring as an example, but is not limited to this, and the moisture is between the extending portion 316 and the lens barrel 332 and the imaging unit 32 and the optical passage 331 through the accommodation space 30 and the light passage 331. Any structure that prevents the lens unit 33 and the like from being immersed in water may be used.

  When the drive recorder 3 according to the present invention is attached to the vehicle body of the motorcycle 2, the lens unit 32 can be replaced without taking out the imaging unit 32. For example, as shown in FIG. The lens unit 33 can be mounted so as to be fixedly placed in the vehicle body so that the lens unit 33 is exposed to the outside and the wall body 315 is not exposed from the handle portion. Accordingly, the appearance of a moving body such as the motorcycle 2 can be improved.

  Next, the operation of exchanging the lens unit 33 in the drive recorder configured as described above will be described below with reference to FIGS.

  When the lens unit 33 is attached to the camera unit 31, the first connecting unit 341 is made to correspond to the open end 344 a of the vertical groove 344 of the second connecting unit 342, and the lens unit 33 is pushed into the camera unit 31 side. The first connecting portion 341 is guided to the lateral groove 343 side through the longitudinal groove 344. Then, after the first connecting portion 341 hits the other end wall 344b of the vertical groove 344 near the lateral groove 343, when the lens barrel 332 is rotated counterclockwise with respect to the extending portion 316, for example, The portion 341 slides in the horizontal groove 343 and is abutted against the first end wall 343a away from the vertical groove 344 of the horizontal groove 343 and is moored. In this way, the lens unit 33 is attached.

  If the lens unit 33 is damaged and replaced with a new one, the lens barrel 332 is rotated clockwise with respect to the extending portion 316, and the first end wall 343a side of the lateral groove 343 of the first connecting portion 341 is disposed. When the mooring state is released, the first connecting portion 341 is slid toward the second end wall 343b of the lateral groove 343. Then, when the lens unit 33 is pulled outward after the first connecting portion 341 hits the second end wall 343b of the lateral groove 343, the first connecting portion 341 slides on the vertical groove 344 and is detached. It is. Thus, the damaged lens unit 33 is easily taken out. Then, a new lens unit 33 is attached to the extending portion 316 according to the above attachment procedure.

  As described above, it is not necessary to rely on tools or the like, and the lens unit 33 can be easily attached or replaced with a new one without taking out the imaging unit 32 by the connecting unit 34.

  The present invention is not limited to the above-described embodiments, and various modifications such as design changes can be added based on the knowledge of those skilled in the art. The configuration shown in each drawing is for explaining an example, and can be appropriately changed as long as the configuration can achieve the same function.

  The drive recorder 3 according to the present invention is attached to the outside of a moving body such as a motorcycle and is useful as an in-vehicle device that records video and audio during traveling.

3 drive recorder 30 accommodation space 31 camera unit 310 opening 311 first frame 312 second frame 315 wall 316 extending unit 32 imaging unit 33 lens unit 331 light passage 332 lens barrel 333 optical element 34 connection unit 341 first One connecting portion 342 Second connecting portion 343 Horizontal groove 343a First end wall 343b Second end wall 344 Vertical groove 344a One end 344b Other end wall 35 Waterproof unit

Claims (9)

A drive recorder that is attached to a traveling body and records video and audio during traveling, and has a camera unit including an imaging unit and a lens unit,
The camera unit has a wall body that defines a storage space for storing and mounting the imaging unit;
The front portion of the wall body in the traveling direction, which is the direction in which the moving body travels, includes an opening in which the housing space communicates with the outside, and an extending portion that protrudes outward from the periphery of the opening in the wall body. And
The lens unit includes a lens barrel having a light passage defined to surround the optical axis so as to be connected to the extending portion, and the light passage is sealed at a distal end side in the lens barrel. And an optical element mounted on the
Furthermore, it has a connection unit that removably connects the lens barrel and the extension part,
The connection unit is detachably connected to the first connection portion corresponding to the first connection portion and at least one first connection portion provided on the rear end side of the barrel. And at least one second connecting portion provided in the extending portion. The first connecting portion protrudes in a radial direction with the central axis on the inner peripheral surface on the rear end side of the lens barrel, and is convexly formed.
The second connecting portion is recessed in the outer peripheral surface of the extending portion and is circumferentially centered on the central axis so as to be able to be unevenly fitted in correspondence with the first connecting portion formed in a convex shape. The drive recorder according to claim 1, wherein the drive recorder extends in a groove shape. The second connecting portion is formed into an L-shaped groove by a horizontal groove extending along the circumferential direction and a vertical groove extending along an axial direction parallel to the central axis.
The vertical groove moves toward the horizontal groove along the axial direction while the first connecting portion is guided through the vertical groove from one end side of the vertical groove away from the horizontal groove, and the vertical groove The one end of the vertical groove is opened so as to communicate with the outside so as to abut against the other end wall of the horizontal groove and move to the first end wall side away from the vertical groove of the horizontal groove. ,
When the first connecting portion is moved to the horizontal groove, the horizontal groove moves from the second end wall of the horizontal groove closer to the vertical groove toward the first end wall and moves to the first end wall. The drive recorder according to claim 2, wherein the drive recorder is moored to the side.   The transverse groove has a width of the transverse groove from the second end wall to the first end wall so that the first connecting portion moves to the first end wall side of the transverse groove and is anchored. The drive recorder according to claim 3, wherein the drive recorder becomes narrower in width.   The connecting unit includes two first connecting portions provided at a predetermined interval from each other, and two first connecting portions provided at a predetermined interval corresponding to the two first connecting portions. The drive recorder according to claim 1, further comprising two connecting portions.   Furthermore, the waterproof unit which block | closes the clearance gap between the said extending | stretching part and the said lens tube so that a water | moisture content does not enter is provided between the said extending | stretching part and the said lens tube so that attachment or detachment is possible. Drive recorder as described in.   7. The O-ring according to claim 6, wherein the waterproof unit is an O-ring that is detachably attached to the rear side of the second coupling portion between the barrel and the extending portion. drive recorder. The wall body joins a first frame body having a recess and a second frame body having a recess so that the recess of the first frame body and the recess of the second frame body face each other. And configured in a case shape so as to define the accommodation space,
The first frame is a front portion of the wall,
The drive recorder according to claim 1, wherein the opening and the extending portion are provided integrally with the first frame.   2. The drive according to claim 1, wherein the camera unit is mounted such that the lens unit is exposed to the outside from a vehicle body of the movable body and the wall body is placed in the vehicle body. recorder.

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