JP5759578B2 - Imaging device - Google Patents

Description

  The present invention relates to an imaging apparatus such as a digital camera or a video camera having a light-emitting unit that can be popped up.

  In many imaging devices such as digital cameras, the tip of the photographing lens protrudes forward (subject side) rather than the light emitting part of the built-in flash. In such an imaging apparatus, there is a problem of “vignetting” in which light emitted toward the subject from the light emitting unit is blocked by the tip of the photographing lens. For this reason, by popping up the light-emitting unit including the light-emitting unit from the state accommodated in the imaging apparatus main body so as to protrude so that the photographing lens does not enter the irradiation range of the light from the light-emitting unit. It is common practice to avoid “vignetting”.

  As a pop-up method of the light emitting unit, as disclosed in Patent Document 1, there is a method of rotating the light emitting unit around a fixed axis and jumping up above the imaging device main body. However, in this pop-up method, the light emitting unit moves not only above the image pickup apparatus body but also in the back direction. For this reason, there is a limit to the effect of avoiding vignetting.

  Therefore, as a pop-up method having a higher vignetting effect, there is one disclosed in Patent Document 2. In this pop-up method, the light emitting unit is also moved forward while protruding upward with respect to the imaging apparatus main body. Specifically, the light emitting unit is rotated upward about the movable shaft, and the movable shaft is moved forward. According to this method, since the light emitting unit can be positioned forward as compared with the pop-up method disclosed in Patent Document 1, the photographic lens is less likely to enter the light irradiation range from the light emitting unit.

JP 07-199295 A JP-A-62-212428

  However, in the pop-up method disclosed in Patent Document 2, the light-emitting unit pops up while being pushed forward from the housed state with respect to the imaging apparatus main body. For this reason, an opening (concave portion) is formed between the rear surface of the light emitting unit popped up and the exterior member of the imaging device main body connected to the rear surface of the light emitting unit in the accommodated state. Such an opening is not only undesirable from the viewpoint of the appearance of the image pickup apparatus, but also serves as a passage through which foreign matters such as dust enter the inside of the image pickup apparatus main body.

  The present invention adopts a pop-up method that has a high effect of avoiding vignetting of light emitted from the light-emitting unit, can provide a good appearance even in a pop-up state of the light-emitting unit, and can prevent foreign objects from entering the imaging apparatus main body. An imaging apparatus is provided.

An imaging apparatus according to one aspect of the present invention includes a light emitting unit having a light emitting unit that emits light that illuminates a subject, a storage position in which the light emitting unit is stored in the imaging apparatus body, and a protrusion from the imaging apparatus body. A pop-up mechanism that moves between a pop-up position and a first position and a second position that are attached to the imaging apparatus main body and the light-emitting unit moves between the storage position and the pop-up position. anda cover member for rotating between the pop-up mechanism, with pivots on the pop-up position the light emitting unit from the storage position, the rotational center of the light emitting unit with respect to the image pickup device body The cover member is positioned at the first position when the light emitting unit is at the storage position. When the light emitting unit is in the intermediate position between the pop-up position and the storage position, the cover member is positioned in the second position pivoted from the first position, the light emitting unit to the pop-up position When the light emitting unit is in the pop-up position, the cover member is located at the first position, and the cover member is located between the light emitting unit and the exterior member of the imaging device main body. It is characterized by covering an opening formed therebetween.

  In the present invention, in the imaging apparatus having the light emitting unit that moves to the subject side while popping up from the storage position, the cover member has the back surface of the light emitting unit and the exterior member at the same position as the position where the light emitting unit is stored. Cover the opening between. As a result, the effect of preventing vignetting of the light emitted from the light emitting unit is high, and a good appearance of the imaging device can be obtained even when the light emitting unit is popped up, and foreign matter can be prevented from entering the imaging device main body through the opening. be able to.

1 is a perspective view showing an appearance of a digital camera that is Embodiment 1 of the present invention. FIG. 3 is an exploded perspective view of the camera of Embodiment 1. FIG. 3 is a perspective view illustrating an appearance of the camera according to the first exemplary embodiment in a wide field angle state and a flash pop-up state. FIG. 3 is a perspective view illustrating an appearance of the camera according to the first embodiment in a tele angle of view state and a flash pop-up state. 2 is an exploded perspective view of a lens barrel unit provided in the camera of Embodiment 1. FIG. 2 is an exploded perspective view of a light emitting unit provided in the camera of Embodiment 1. FIG. Sectional drawing which shows (a) pop-down state of the light emission unit in Example 1, (b) Pop-up start state, (c) Pop-up middle state, and (d) Pop-up position arrival state. (A) Pop-up completion state of the light emitting unit in Example 1, (b) State where the pop-up state is intentionally pulled up in the pop-up direction, and (c) State where the pop-up completion state is intentionally pushed in the pop-down direction. FIG. The disassembled perspective view of the light emission unit in Example 2 of this invention. Sectional drawing which shows the (a) pop-down state of the light emission unit in Example 2, (b) The state in the middle of pop-up, and (c) Pop-up completion state. FIG. 6 is a top view showing a pop-down state of the light emitting unit in the first embodiment. FIG. 6 is a top view showing a state in the middle of pop-up of the light emitting unit in the first embodiment. FIG. 6 is a top view illustrating a pop-up completion state of the light emitting unit according to the first embodiment.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows an appearance of a digital camera as an image pickup apparatus that is Embodiment 1 of the present invention. FIG. 2 is an exploded view of the digital camera. In the following description, the subject side of the camera is represented by “front side”, “front side”, “front”, or the like, and the opposite side is represented by “rear side”, “back side”, “rear side”, or the like. However, regarding the light emitting unit described later, the light emission side is represented by “front side” and the opposite side is represented by “back side” and the like.

  In FIG. 1, reference numeral 1 denotes a camera body. As shown in FIG. 2, the camera body (imaging apparatus body) 1 includes a chassis 4 as a base member, a lens barrel unit 5 and a flash unit 6 fixed to the chassis 4, and a front cover 2 as an exterior member. And the rear cover 3. The front cover 2 and the rear cover 3 are arranged so as to cover the front side and the back side of the chassis 4, the lens barrel unit 5, and the flash unit 6, respectively, and are fixed to the chassis 4.

  The lens barrel unit 5 is retracted and housed in the camera body 1 when a main switch (power switch) 7 provided on the upper surface of the camera is OFF. On the other hand, when the main switch 7 is turned ON, the camera body 1 is extended from the camera body 1 to the wide angle of view position as shown in FIG. 3, and is further extended to the tele angle of view position as shown in FIG. . As a result, the shooting angle of view can be changed.

  The flash unit 6 includes a light emitting unit 9 having a light emitting unit that emits light for illuminating a subject on the front side. The flash unit 6 is a grip part 2a that sandwiches the lens barrel unit 5 so that the right hand does not cover the light emitting unit 9 when the photographer holds the grip part 2a of the front cover 2 with the right hand. Located on the opposite side. When the main switch 7 is OFF, the light emitting unit 9 pops down and is stored in the camera body 1 as shown in FIG. On the other hand, when the main switch 7 is ON, as shown in FIG. 3, it pops up with respect to the camera body 1 in conjunction with the extension of the lens barrel unit 5. In the following description, a position where the light emitting unit 9 is stored in the camera body 1 is referred to as a pop-down position (storage position), and a position where the light emitting unit 9 is popped up relative to the camera body 1 is referred to as a pop-up position (projecting position).

  FIG. 5 shows the lens barrel unit 5 in an exploded manner. The lens barrel unit 5 has a basic structure constituted by a fixed cylinder 11 attached to a holder 10 fixed to the chassis 4 and a lens cover 12 arranged so as to cover the outer periphery of the fixed cylinder 11. .

  A drive ring 13 is arranged on the outer periphery of the fixed cylinder 11 so as to be rotatable around the optical axis. The drive ring 13 rotates when the driving force from the motor 14 attached to the lens cover 12 is transmitted to the gear portion 13 a via the gear train 15. When the drive ring 13 rotates, the first lens barrel 16 and the cam groove portion 11a formed in the fixed barrel 11 are engaged with the cam followers provided in the first lens barrel 16 and the second lens barrel 17, respectively. The second lens barrel 17 moves in the optical axis direction.

  By such a lens driving mechanism, when the main switch 7 is OFF, the first lens barrel 16 and the second lens barrel 17 are moved to the retracted positions (see FIG. 1) accommodated in the lens cover 12. When the main switch 7 is turned on, the first lens barrel 16 and the second lens barrel 17 move to the wide angle of view position (see FIG. 3). Furthermore, according to the operation of the zoom lever 8, the first lens barrel 16 and the second lens barrel 17 can be moved to any position between the wide field angle position and the tele field angle position (see FIG. 4). .

  Reference numeral 18 denotes a cam follower (member) having a guide pin 18 a. The guide pin 18 a engages with a cam groove portion 13 b formed in the drive ring 13. The cam follower 18 moves in the optical axis direction along the guide shaft 19 according to the rotation of the drive ring 13.

  The cam groove portion 13b is formed as follows. When the drive ring 13 is in a rotational position corresponding to the retracted position, the cam follower 18 is located on the most front side with respect to the drive ring 13. When the drive ring 13 is in the rotational position corresponding to the wide angle of view position, the cam follower 18 is located on the most rear side with respect to the drive ring 13. Further, when the drive ring 13 is at a rotational position between a rotational position corresponding to the wide angle of view position and a rotational position corresponding to the tele angle of view position, the cam follower 18 is positioned at the rearmost position with respect to the drive ring 13. I will not move. Thus, the cam follower 18 moves in the optical axis direction between the retracted position and the wide field angle position, and does not move in the optical axis direction between the wide field angle position and the tele field angle position.

  FIG. 6 shows the flash unit 6 in an exploded manner. The flash unit 6 has a pop-up mechanism which will be described in detail later, and the light emitting unit 9 is popped up and popped down by rotating the link member 20 of the pop-up mechanism by a link lever (drive lever) 21.

  7A to 7D and 8A show the normal operation of the light emitting unit 9. FIG. FIG. 8A shows the light emitting unit 9 in the pop-up position. From the state in which the light emitting unit 9 is in the pop-up position, the cam follower 18 described above moves to the front side (left side in the figure). As a result, the link lever 21 and the link member 20 pushed by the cam follower 18 rotate in the clockwise direction in the figure (FIG. 7 (d) → FIG. 7 (c) → FIG. 7 (b)). As shown in FIG. 7A, the light emitting unit 9 is rotated to the pop-down position. Further, when the cam follower 18 moves to the rear side (right side in the figure) from the state where the light emitting unit 9 is in the pop-down position (FIG. 7 (a) → FIG. 7 (b) → FIG. 7 (c) → FIG. 7 (d). )), The light emitting unit 9 is rotated to the pop-up position by a spring force described later (FIG. 8A).

  In the following description, a state where the light emitting unit 9 is in the pop-up position is also referred to as a pop-up state, and a state where the light emitting unit 9 is in the pop-down position is also referred to as a pop-down state.

  FIG. 9 shows the light emitting unit 9 in an exploded manner. Reference numeral 22 denotes a holder, which is a base member of the light emitting unit 9. Reference numeral 23 denotes a xenon tube as a light source, and lead wires 24 and 25 are connected to terminals 23a and 23b thereof. A reflector 26 reflects light emitted backward from the xenon tube 23 so as to return to the xenon tube 23. Reference numeral 27 denotes a Fresnel lens having a prism surface 27a for diffusing light from the xenon tube 23 to a predetermined irradiation range. Reference numerals 28 and 29 denote xenon rubbers, which are used to fix the xenon tube 23 and the reflector 26 to the Fresnel lens 27 while maintaining an appropriate positional relationship. The xenon tube 23, the reflector 26 and the Fresnel lens 27 constitute a light emitting unit.

  The Fresnel lens 27 to which the xenon tube 23 and the reflector 26 are fixed is attached to the Fresnel attachment portion 22 a of the holder 22. A contact portion 30a of the trigger flexible substrate 30 is inserted between the back surface of the reflector 26 and the Fresnel attachment portion 22a. The contact portion 30 a is pressed against the reflector 26 by the trigger rubber 31. Thereby, the trigger voltage from the trigger coil 32 mounted on the trigger flexible substrate 30 can be transmitted to the reflector 26. Lead wires 33 and 34 for supplying power to the trigger coil 32 are connected to the trigger flexible substrate 30.

  The holder 22 is provided with a lead wire fixing portion 22b, to which lead wires 24, 25, 33, and 34 are press-fitted and attached. The lead wires 24, 25, 33 and 34 are extended out of the holder 22 from lead wire outlets 22 c formed in the holder 22.

  Reference numeral 35 denotes a holder cover. The holder cover 35 is put on the back surface of the holder 22 by hooking the claw portions 35 a and 35 b formed on the holder cover 35 on the locking portions 22 f and 22 g formed on the holder 22. In the pop-down state, a portion of the outer surface (back surface) of the holder cover 35 on the back side of the light emitting portion constitutes the exterior surface of the camera together with the front cover 2 as shown in FIG. The light emitting unit 9 is comprised by the above components.

  Reference numeral 36 denotes a slide shaft as a movable shaft serving as a rotation center of the light emitting unit 9. The slide shaft 36 is hooked by hook portions 35 c and 35 d formed at the rear end portion of the holder cover 35, and is a bearing portion 22 h formed in the holder 22. , 22i and fixed. The slide shaft 36 is movable in the front-rear direction while being guided by guide portions 37b and 37c described later.

  In FIG. 6, the flash unit 6 has a flash base 37 serving as a base member of the flash unit 6. The flash base 37 is fixed to the chassis 4 shown in FIG.

  A storage portion 37 a for storing the light emitting unit 9 in the storage position is formed on the top of the flash base 37. On both side surfaces of the storage portion 37a, the above-described guide portions 37b and 37c for guiding the slide (movement) of the slide shaft 36 in the front-rear direction are formed.

  One end of the link member 20 described above is attached to the bearing portions 22 d and 22 e of the holder 22 of the light emitting unit 9 together with the first spring (first spring) 38 and the first shaft (first shaft) 39.

  Between the bearing portions 37 d and 37 e formed on the flash base 37, the other end of the link member 20, the link lever 21, and the second spring (second spring) 40 are disposed. The other end of the link member 20, the link lever 21, and the second spring 40 are rotatably supported by a second shaft (second shaft) 41 that is press-fitted into the holes of the bearing portions 37d and 37e. The second spring 40 is made of a material having a thicker wire diameter than the first spring 38 and a strong allowable stress. The spring force (biasing force) generated by the second spring 40 is the same as that of the first spring 38. Stronger than the generated spring force.

  The pop-up mechanism is constituted by the above components such as the slide shaft 36, the flash base 37, the link member 20, the first spring 38, the link lever 21, and the second spring 40.

  37f is a lead wire entrance formed in the flash base 37, and lead wires 24, 25, 33, 34 extending from the light emitting unit 9 are inserted and held therein, and the lead wires 24, 25, 33, 34 are Further, it passes through the lower side of the storage portion 37a.

  Reference numeral 42 denotes a storage unit cover as a cover member. The storage portion cover 42 is rotatably mounted on a cover shaft 44 together with a cover spring (cover urging member) 43, and the cover shaft 44 is held by bearing portions 37g and 37h formed on the flash base 37. The storage portion cover 42 is rotatable in the vertical direction (opening / closing direction) about the cover shaft 44. The cover spring 43 constantly biases the storage section cover 42 in the closing direction. 42a and 42b are stoppers, which contact with the locking portions 37i and 37j formed on the flash base 37 when the storage portion cover 42 is rotated in the opening direction, so that the storage portion cover 42 is further opened. Prevent rotation in the direction.

  A flash substrate 45 is fixed to the flash base 37 with screws 46. Connected to the flash substrate 45 are lead wires 24, 25, 33, and 34 passed from the lead wire inlet 37f to the lower side of the storage portion 37a. In addition, a detection switch 47 for detecting the operation state (pop-up state and pop-down state) of the light emitting unit 9 is mounted on the flash substrate 45.

  Reference numeral 48 denotes a main capacitor, which is charged with power necessary for light emission by the light emitting unit described above, and then supplies the power to the light emitting unit.

  Next, the operation of the flash unit 6 configured as described above will be described. In the pop-down state shown in FIG. 7A, as described above, the cam follower 18 moves to the left side of the drawing and pushes the link lever 21 in the clockwise direction. For this reason, the second spring 40 attached to the link lever 21 pushes the link member 20 clockwise around the second shaft 41 (around the second axis). The link member 20 receives the spring force from the second spring 40 and pushes down the holder 22 via the first shaft 39. For this reason, the light emitting unit 9 tries to rotate counterclockwise about the slide shaft 36, and thereby the pop-down state of the light emitting unit 9 is maintained.

  When the cam follower 18 moves in the right direction in the figure from the pop-down state of FIG. 7A, the link lever 21 rotates counterclockwise by the spring force of the second spring 40, as shown in FIG. 7B. Move. The stopper 21a formed on the link lever 21 abuts on the receiving surface 20a of the link member 20, and further rotation of the link lever 21 relative to the link member 20 in the counterclockwise direction is prevented.

  When the cam follower 18 further moves in the right direction in the figure from the state of FIG. 7B, the stopper 21a is in contact with the receiving surface 20a by the spring force of the second spring 40 as shown in FIG. 7C. While maintaining the above, the link lever 21 and the link member 20 are rotated counterclockwise by the spring force of the first spring 38. At the same time, the holder 22 rotates in the clockwise direction with respect to the link member 20 by the spring force of the first spring 38. As a result, the light emitting unit 9 reaches the pop-up position as shown in FIG.

  Furthermore, as shown in FIG. 8A from the state shown in FIG. 7D, the cam follower 18 moves rightward in the drawing by a predetermined amount, whereby the cam follower 18 and the link lever 21 are separated from each other, and the light emitting unit 9 pop-up operation is completed.

  Next, the operation of the storage section cover 42 from the above-described pop-down state to the pop-up completion state will be described with reference to FIGS. 10 (a) to 10 (c).

  In the pop-down state shown in FIG. 10 (a) (FIG. 7 (a)), the storage portion cover 42 attached on the cover shaft 44 held by the bearing portions 37g and 37h of the flash base 37 is in the closed position (first position). 1 position). The storage portion cover 42 is urged counterclockwise (closed direction) in the figure by a cover spring 43, whereby the storage portion cover 42 is held in the closed position.

  At this time, the storage portion cover 42 is in contact with the slide surfaces 35e and 35f formed on the holder cover 35 by the slide portions 42c and 42d formed at the lower ends of both side surfaces thereof, so that the back surface 35g of the holder cover 35 Always maintain a certain clearance.

  Further, the outer surface of the storage section cover 42 at this time constitutes an exterior surface that is continuous with the outer surface of the rear cover 3. That is, the storage unit cover 42 in the closed position constitutes the exterior surface of the camera together with the rear cover 3.

  Furthermore, the outer surface of the storage unit cover 42 in the closed position constitutes an exterior surface that is continuous with a portion of the light emitting unit on the back side of the outer surface (back surface) of the holder cover 35 of the light emitting unit 9 in the pop-down state. Thus, in the pop-down state, a continuous curved exterior surface is formed by the portion of the outer surface of the front cover 2 and the holder cover 35 on the back side of the light emitting unit, the outer surface of the storage unit cover 42, and the outer surface of the rear cover 3. It is formed.

  When the cam follower 18 moves to the right in the figure as shown in FIG. 10B from the pop-down state, the link lever 21 and the link member 20 rotate counterclockwise as described in FIG. 7C. And the holder 22 rotates clockwise with respect to the link member 20. As a result, the slide shaft 36 moves to the left in the drawing while being guided by the guide portions 37b and 37c of the flash base 37, and the light emitting unit 9 starts to pop up. The storage portion cover 42 is rotated clockwise and opened to the open position (second position) when the slide portions 42 c and 42 d are pushed up by the slide surfaces 35 e and 35 f of the holder cover 35. Thereby, a space for rotating the light emitting unit 9 in the pop-up direction is formed between the front cover 2 and the rear cover 3.

  Also at this time, the storage section cover 42 maintains a predetermined clearance with respect to the back surface 35 g of the holder cover 35.

  Then, as shown in FIG. 10C (FIGS. 7D and 8A), when the light emitting unit 9 reaches the pop-up position, the storage cover 42 is rotated counterclockwise from the cover spring 43. It is returned to the closed position by the biasing force. The closing position at this time is the same position as the closing position in the pop-down state. Therefore, even in the pop-up state, the outer surface of the storage unit cover 42 constitutes an exterior surface that is continuous with the outer surface of the rear cover 3. In this state, an opening (concave portion) S is formed between the rear surface of the light emitting unit 9 (holder cover 35) and the rear cover 3. However, the opening S is covered (closed) by the storage portion cover 42 in the closed position. Accordingly, it is possible to prevent foreign matters such as dust from entering the inside of the camera body 1 such as in the storage portion 37a from the outside of the camera through the opening S.

  Next, another role of the storage unit cover 42 will be described with reference to FIGS. 11 to 13. FIGS. 11-13 has shown the mode that the light emission unit 9, the accommodating part cover 42, and the accommodating part 37a were seen from upper direction.

  As shown in FIG. 11, in the pop-down state of the light emitting unit 9, the lead wire outlet 22c of the holder 22 is located behind the storage portion 37a, and the lead wire inlet 37f of the flash base 37 is located ahead of it. Yes. The lengths of the lead wires 24, 25, 33, and 34 are set to a length having a predetermined margin from the linear distance between the lead wire outlet 22c and the lead wire inlet 37f in this state. Each lead wire sags and its tension is avoided.

  When the light emitting unit 9 rotates in the pop-up direction, as shown in FIG. 12, the lead wire outlet 22c is arranged directly beside the lead wire inlet 37f at the intermediate position between the pop-down position and the pop-up position, and each lead wire is the most. It becomes a sagging state.

  Further, when the light emitting unit 9 reaches the pop-up position, as shown in FIG. 13, the lead wire outlet 22c is positioned in front of the lead wire inlet 37f. The linear distance between the lead wire outlet 22c and the lead wire inlet 37f at this time is set to be substantially equal to the linear distance described above with reference to FIG. For this reason, each lead wire sag by an amount substantially equal to that in the pop-down state, and the tension is avoided.

  The storage unit cover 42 covers the lead wires 24, 25, 33, and 34 disposed between the back surface of the light emitting unit 9 and the rear cover 3 in a top view at any of the pop-down position, the intermediate position, and the pop-up position. . For this reason, it is possible to prevent the lead wires 24, 25, 33, and 34 from being visible from the outside of the camera and degrading the quality of the camera.

  Next, the relationship between the operation of the camera and the operation of the pop-up mechanism and the storage cover 42 will be described.

  In the state where the main switch 7 is OFF, the cam follower 18 is in the position moved to the leftmost side in the figure as shown in FIG. 7A, and the link lever 21 is rotated in the clockwise direction by being pushed by this. It is in. As described above, the second spring 40 is set to generate a stronger spring force than the first spring 38. For this reason, the link member 20 pushed by the spring force of the second spring 40 keeps the light emitting unit 9 pushed down to the pop-down position while charging the first spring 38. Thus, the light emitting unit 9 in the pop-down position is urged in the pop-down direction by the spring force of the second spring 40 via the link member 20, so that the light emitting unit 9 is reliably maintained in the pop-down position. be able to.

  Further, as shown in FIG. 10A, the storage unit cover 42 is pressed to the closed position by the spring force of the cover spring 43 in the form of following the light emitting unit 9 pushed down to the pop-down position. The storage unit cover 42 at this time covers a portion of the back surface of the light emitting unit 9 (holder cover 35) that does not constitute the exterior surface, and the outer surface of the storage unit cover 42 configures the exterior surface. Therefore, it is possible to prevent foreign matters such as dust from entering the gap between the light emitting unit 9 and the storage portion 37a while improving the appearance of the camera.

  When the main switch 7 is turned on and the lens barrel unit 5 starts to be extended from the retracted position to the wide angle of view position, as shown in FIG. 7B, the cam follower 18 moves to the right in the drawing, The link lever 21 is rotated counterclockwise by the spring force of the two springs 40. Then, the stopper 21 a of the link lever 21 contacts the receiving surface 20 a of the link member 20. Thereby, the relationship of the rotation position of the link lever 21 and the link member 20 is fixed.

  7C, the link lever 21 and the link member 20 are integrally rotated by the spring force of the first spring 38 following the movement of the cam follower 18 in the right direction in the figure. As shown in FIG. 7D, the light emitting unit 9 reaches the pop-up position. Further, as shown in FIG. 8A, the cam follower 18 moves to the right in the figure by a predetermined amount, and the pop-up operation is completed.

  In this way, the light emitting unit 9 can be automatically rotated from the pop-down position to the pop-up position by the extension operation from the retracted position to the wide angle of view position of the lens barrel unit 5 in response to the ON of the main switch 7. it can.

  Further, as shown in FIG. 10B, the storage portion cover 42 is configured such that the slide portions 42c and 42d formed on both side surfaces thereof slide on the slide surfaces 35e and 35f of the holder cover 35. A predetermined clearance is always maintained with respect to the back surface 35g of 35. For this reason, the location where the members slide can be limited to the inside of the camera body 1 that does not appear in the appearance of the camera, and the back surface 35g, which is the appearance surface of the light emitting unit 9 in the pop-up state, does not cause sliding scratches. .

  Further, during the period from the start of the pop-up shown in FIG. 7 (b) to the middle of the pop-up shown in FIG. 7 (c), as shown in FIG. 10 (b), the slide portions 42c and 42d of the storage portion cover 42 are held by the holder. The cover 35 is pushed upward by the slide surfaces 35e and 35f. Thereby, the storage portion cover 42 is rotated in the opening direction against the spring force (biasing force) of the cover spring 43.

  However, until the pop-up state shown in FIG. 7D is reached after the state shown in FIG. 7C, the spring force of the cover spring 43 causes the storage portion cover 42 to move. The slide surfaces 35e and 35f of the holder cover 35 are pressed diagonally forward. Thereby, the effect which assists the movement to the front of the light emission unit 9 is acquired.

  When the zoom lever 8 is operated, the lens barrel unit 5 operates between the wide field angle position and the tele field angle position. At this time, as described above, the cam follower 18 is shown in FIG. Does not move from the indicated position. Therefore, the light emitting unit 9 does not move from the pop-up position by the operation of the lens barrel unit 5, and light can be emitted from the light emitting unit 9 toward the subject at any shooting angle of view.

  Further, since the cam follower 18 and the link lever 21 are separated from each other in the pop-up completed state, even if the light emitting unit 9 receives an external force and falls to some extent from the pop-up position, the lens barrel unit 5 is not affected.

  When the main switch 7 is turned off, the cam follower 18 moves from the position of FIG. 8 (a) to the left in the figure along with the retracting operation of the lens barrel unit 5, and the link lever from the state of FIG. 7 (d). Press 21. At this time, as described above, since the second spring 40 generates a stronger spring force than the first spring 38, the spring force of the second spring 40 causes the stopper 21a to be in contact with the receiving surface 20a and the link lever 21. The link member 20 integrally rotates in the clockwise direction. Thereby, the pop-down operation of the light emitting unit 9 is performed. Thus, when the main switch 7 is turned off, the light emitting unit 9 can be automatically rotated from the pop-up position to the pop-down position by the driving force transmitted from the cam follower 18 to the link lever 21. Along with this, the first spring 38 is charged.

  As shown in FIG. 7B, after the light emitting unit 9 reaches the pop-down position, the cam follower 18 further moves to the left in the drawing by a predetermined amount and reaches the state of FIG. 7A. The link member 20 does not rotate. For this reason, only the link lever 21 rotates counterclockwise while charging the second spring 40. Therefore, the link lever 21 can be urged in the pop-down direction by the spring force of the second spring 40 in a state where the light emitting unit 9 is in the pop-down position, and the pop-down state can be more reliably maintained.

  Between the pop-up state shown in FIG. 7 (d) and the pop-down intermediate state shown in FIG. 7 (c), as shown in FIG. 10 (b), the storage portion cover 42 has its slide portions 42c and 42d as holders. The cover 35 is pushed by the slide surfaces 35e and 35f and rotates in the opening direction.

  However, during the period from the state shown in FIG. 7C to the pop-down state shown in FIG. 7B, as can be seen from FIG. 10B, the slide portions 42c, 42d pushes the slide surfaces 35e and 35f of the storage unit cover 42. This helps the pop-down operation of the light emitting unit 9.

  In the pop-down position, the storage cover 42 that receives the urging force of the cover spring 43 pushes the light-emitting unit 9 downward and rearward, so that the light-emitting unit 9 can be stably held in the pop-down position. Thereby, it can avoid that what is called a semi-closed state of the light emission unit 9 generate | occur | produces, and the light emission unit 9 can be reliably accommodated in a pop-down position.

  The relationship between the pop-up operation and the pop-down operation and the lead wires 24, 25, 33, and 34 is as follows. In the pop-down state (FIG. 11) and the pop-up state (FIG. 13), the linear distance between the lead wire outlet 22c of the holder 22 and the lead wire inlet 37f of the flash base 37 is set to be substantially equal and the distance is set to the minimum. Has been. Then, by setting the length of the lead wires 24, 25, 33, and 34 to a length that has a predetermined margin from the linear distance, the tension of the lead wires 24, 25, 33, and 34 is avoided.

  Thus, by setting the amount of sag of the lead wires 24, 25, 33, and 34 to the necessary and minimum, the pop-up operation is affected due to the tension of the lead wires 24, 25, 33, and 34. Can be avoided. Further, in the intermediate state shown in FIG. 12, the amount of deflection of the lead wires 24, 25, 33, and 34 is maximized, so that the transition can be smoothly made in both the pop-up and pop-down directions.

  Next, a case where the light emitting unit 9 is intentionally operated will be described. A case will be described in which the light-emitting unit 9 is intentionally raised by hand in the pop-down state shown in FIG. At this time, as shown in FIG. 8B, the link member 20 also rotates in conjunction with the movement of the light emitting unit 9. However, since the cam follower 18 interlocked with the lens barrel unit 5 does not move, the link lever 21 is blocked by the cam follower 18 and does not rotate, and the second spring 40 is charged. If the hand is released from the light emitting unit 9 in this state, the link member 20 is reversed by the spring force of the second spring 40, and in conjunction with this, the light emitting unit 9 returns to the pop-down position again.

  Further, in the pop-up completion state shown in FIG. 8 (a), when the light emitting unit 9 is intentionally pushed by hand to make it pop down, the movement of the light emitting unit 9 is performed as shown in FIG. 8 (c). In conjunction with this, the link member 20 and the link lever 21 rotate integrally. As a result, the first spring 38 is charged. However, since the cam follower 18 linked to the lens barrel unit 5 does not move, the link lever 21 and the cam follower 18 do not come into contact with each other, and this operation does not affect the lens barrel unit 5 at all. If the hand is released from the light emitting unit 9 in this state, the link member 20 and the link lever 21 are reversed by the spring force of the first spring 38, and the light emitting unit 9 returns to the pop-up position again in conjunction with this. .

  As described above, in this embodiment, in the camera having the light emitting unit 9 that moves to the subject side while popping up from the pop-down position, the storage unit cover 42 is located at the same position as that in the pop-down state. The opening S between the back surface and the rear cover 3 is covered. Thereby, the effect of avoiding “vignetting” in which the light emitted from the light emitting portion of the light emitting unit 9 is blocked by the tip of the lens barrel unit 5 protruding from the camera body 1 can be enhanced, and the light emitting unit 9 pops up. A good camera appearance can be obtained even in a state. Moreover, it is possible to prevent foreign matter from entering the camera body 1 through the opening S.

  Each embodiment described above is only a representative example, and various modifications and changes can be made to each embodiment in carrying out the present invention.

  For example, although the case where the storage unit cover 42 covers a part of the back surface of the light emitting unit 9 has been described in the above embodiment, the storage unit cover may cover the entire back surface of the light emitting unit 9. In other words, in the present invention, the storage unit cover may cover at least a part of the back surface of the light emitting unit.

  Realizes an image pickup device that uses a flash pop-up method that is highly effective in avoiding vignetting of light emitted from the light emitting unit, can provide a good appearance even in the pop-up state of the light emitting unit, and can prevent foreign objects from entering the image pickup device body. it can.

DESCRIPTION OF SYMBOLS 1 Camera body 2 Front cover 3 Rear cover 4 Chassis 5 Lens barrel unit 6 Flash unit 9 Light emitting unit 18 Cam follower 20 Link member 21 Link lever 22 Holder 23 Xenon tube 26 Reflector umbrella 27 Fresnel lens 35 Holder cover 36 Slide shaft 37 Flash base 37a Storage portion 38 First spring 39 First shaft 40 Second spring 41 Second shaft 42 Storage portion cover 43 Cover spring 48 Main capacitor

Claims (4)

A light-emitting unit having a light-emitting unit that emits light for illuminating a subject;
A pop-up mechanism that moves the light-emitting unit between a storage position in which the light-emitting unit is stored in the imaging apparatus main body and a pop-up position that protrudes with respect to the imaging apparatus main body;
Attached to the imaging apparatus main body includes a cover member for rotating between a first position and a second position when moving between the pop-up position the light emitting unit and the storage position ,
The pop-up mechanism is configured to rotate the light emitting unit from the storage position to the pop-up position, and to move the rotation center of the light emitting unit to the subject side with respect to the imaging apparatus main body,
When the light emitting unit is in the storage position, the cover member is located in the first position;
When the light emitting unit is at an intermediate position between the storage position and the pop-up position, the cover member is positioned at the second position rotated from the first position, and the light emitting unit is moved to the pop-up position. Forming a space for movement,
When the light emitting unit is in the pop-up position, the cover member is located at the first position, and the cover member covers an opening formed between the light emitting unit and the exterior member of the imaging apparatus main body. An imaging apparatus characterized by the above. The light emitting unit is formed with a slide surface,
The cover member is formed with a slide portion that comes into contact with the slide surface,
When the light emitting unit is in the storage position, the slide portion of the cover member abuts on the slide surface of the light emitting unit;
The imaging apparatus according to claim 1, wherein the slide surface of the light emitting unit pushes up the slide portion of the cover member when the light emitting unit moves from the storage position to the intermediate position. The imaging device has a lead wire that connects the light emitting unit and the imaging device body,
The imaging apparatus according to claim 1, wherein the cover member covers the lead wire when positioned at the first position and when positioned at the second position. The pop-up mechanism is
A movable shaft that rotatably supports the light-emitting unit and is movable to the subject side and the opposite side with respect to the imaging apparatus body;
A guide unit provided in the imaging apparatus body for guiding the movement of the movable shaft;
A link member having one end attached to the light emitting unit so as to be rotatable about a first axis, and the other end attached to the imaging device body so as to be rotatable about a second axis;
A drive lever rotatable about the second axis;
A first spring that biases the light emitting unit with respect to the link member in the direction of the pop-up position about the first axis;
4. The apparatus according to claim 1, further comprising a second spring that urges the drive lever and the link member in a direction in which the drive member and the link member come into contact with each other around the second shaft. Imaging device.