JPH11271843A - Evf slide lock mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an EVF cover or a video camera main body from being damaged by providing a lock mechanism moving corresponding to the tilt-up/ tilt-down of an EVF slide mechanism and regulating/releasing the movement of a guide shaft at the tip of the guide shaft. SOLUTION: A caulking pin 136 is inserted in a guide hole formed on a slide lock plate 135 regulating/releasing the movement of the guide shaft 109a at the tip of the guide shaft 109 and fixed on a 1st hinge angle 133, whereby the slide lock plate 135 is movably supported on the 1st hinge angle 133. By inserting one end of a slide lock spring in a spring engaging groove and the other end thereof in a spring engaging hole, the plate 135 is always pressed upward with respect to the 1st hinge angle 133. A 2nd hinge angle 134 is loosely inserted in the 1st hinge angle 133, a torque shaft 140 is inserted in a shaft hole on the 2nd hinge angle 134 and joined so as to turnably support the 1st and the 2nd hinge angles 133 and 134.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an EVF slide lock mechanism which is effective when used in an electric view finder (hereinafter, referred to as EVF) used for a video camera or the like.

[0002]

2. Description of the Related Art In recent years, there has been a great demand for miniaturization of video cameras, and in particular, there has been a high demand for miniaturization of EVF units which are difficult to miniaturize because of securing a predetermined optical path.

[0003] As one means for improving this, EV
A method is adopted in which a slide mechanism is provided in F, which is stored in a small size when not in use, and is extended when in use to secure a necessary optical path. Hereinafter, a conventional EVF slide mechanism will be described.

FIG. 11 is a perspective view of a video camera having a conventional EVF slide mechanism. An EVF unit 1 having an EVF slide mechanism is fixed to a video camera main body 2. 11A shows a state in which the EVF unit 1 is stored, FIG. 11B shows a state in which the EVF unit 1 is pulled out in the direction of arrow A, and FIG.
After the F unit is pulled out, it is raised in the direction of arrow C (hereinafter, referred to as “tilted up state”.
Correspondingly, a state that is not caused only by the drawer is referred to as a “tilted down state”. ) Are shown. 12 and 13 are partial exploded perspective views of the EVF slide mechanism.

[0005] In the drawing, reference numeral 4 denotes a stopper guide hole 4a which regulates the position at the time of storage / drawing out and is relatively movable by a predetermined first distance in an EVF slide formed by bending an iron plate. An outer stopper claw (not shown) that allows relative movement by a predetermined second distance is provided. 6 is an LCD holder made of synthetic resin,
A stopper outer pawl 6a is provided. Reference numeral 5 denotes a large EVF slide formed by bending an iron plate, which forms a stopper guide hole (not shown). The large EVF slide 5 is attached so as to surround the middle 4 of the EVF slide. Attachment is performed by elastically deforming a part of the large EVF slide 5 so that the stopper outer claw 4b is connected to the stopper guide hole 5.
a. Similarly, the EVF slide 4 is attached so as to surround the LCD holder 6. Attachment is performed by elastically deforming the EVF slide 4 so that the stopper outer pawl 6a is inserted into the stopper guide hole 4a. Thus, the LCD holder 6
And 4 of the EVF slides and 5 of the EVF slides are combined.

[0006] The outside of the large EVF slide 5 has E
The VF cover 22 is fixed. In addition, LCD holder 6
, An image display unit 25 is housed in advance.

[0007] The LCD holder 6 has an opening 6b through which an image displayed by the image display unit 25 is viewed. Here, a transparent protective cover 8 is attached and fixed in order to prevent dust from entering from outside and adhering to the image display unit to make it hard to see.

Reference numeral 18 denotes an eye cap, 32 denotes a diopter adjustment mechanism unit fitted and fixed to the eye cap 18, and a claw 32 a provided on the diopter adjustment mechanism unit 32 has an engagement hole 5 b provided on the EVF large slide 5. , And the other is fixed to the large EVF slide 5 with the fixing screw 20 to form the EVF unit 1.

The diopter adjustment mechanism unit 32 is configured as follows. The lens 11 is previously engaged and fixed to the cylindrical lens holder 10 with a claw 10b.
Cam followers 10a are provided above and below the lens holder 10. On the other hand, a thin cylindrical diopter adjustment ring 1
A single-sided cam 13a is formed on the inner periphery of the cam follower 10a so as to abut one side on the cam follower 10a. 9 is a guide holder,
Reference numeral 12 denotes a coil spring that constantly urges the lens holder 10 in the direction of arrow Z.
The lens holder 10 and the diopter adjustment ring 13 are inserted in this order. The cam follower 10a is inserted and attached to a guide hole 9b formed in the guide holder 9. Claw 9 provided on end face 13b of diopter adjusting ring 13 and guide holder 9
The members are held by the engagement of the members a, and the assembly is completed.

The operation of the conventional EVF slide mechanism configured as described above will be described with reference to FIGS.

First, as shown in FIG. 12, the stopper outer pawl (not shown) and the end face of the stopper guide hole (not shown), and the stopper outer pawl 6a and the end face of the stopper guide hole 4a are brought into contact with each other. It is pulled out to the drawer position or stored in a predetermined position.

The diopter adjustment mechanism unit 32 is adjusted so that the diopter adjustment ring 13 is rotated so that the lens 11 is at a position corresponding to the user's visual acuity. EVF
When the unit 1 is pulled out, the cam follower 10a is regulated by the one-sided cam 13a by the coil spring 12, so that the cam follower 10a is held at a position corresponding to the user's eyesight. On the other hand, when stored, the lens holder 10 and the transparent protective cover 8
However, they come into contact during the storage process. Here, the position of the lens holder 10 is determined by the one-sided cam 13a.
Since the position is restricted only in the direction of repulsion 2, if the storing operation is further continued, the coil spring 12 contracts, and the one-sided cam 13a and the cam follower portion 10a are separated. In this way, it can be stored compactly regardless of the position of the lens.

The holding force at the drawer position or the storage position is obtained by a fitting force between a click spring (not shown) fixed to the LCD holder 6 and a click hole (not shown) provided in the large EVF slide 5.

[0014]

However, in the above-mentioned conventional configuration, when the EVF slide mechanism is extended in use and further tilted up as shown in FIG. 11 (c), the EVF slide mechanism is moved by the click spring. When pushing in the direction of the optical axis (in the direction of arrow D in the figure) with a force stronger than the holding force of the above, the front end of the EVF cover collides with the video camera main body, and both of them are damaged.

[0015] The present invention solves the above-mentioned problems, and an EV
Moves in response to tilt UP / tilt DOWN of the F slide mechanism, and regulates movement of the guide shaft at the tip of the guide shaft.
An object of the present invention is to provide an EVF slide lock mechanism that prevents damage to an EVF cover and a video camera body by providing a lock mechanism provided with a release restricting member.

[0016]

In order to achieve this object, an EVF slide lock mechanism according to the present invention comprises a first thin tubular member, a second thin tubular member, and a third thin tubular member. The first cylindrical thin member is provided with an image display unit and a guide bearing portion therein, and the third cylindrical thin member slides from one end thereof to the guide bearing portion. An EVF slide mechanism having a guide shaft to be inserted and fitted therein, and the first cylindrical thin wall for applying a predetermined load so as to be rotatable by a predetermined angle and supporting the EVF slide mechanism. An EVF hinge mechanism fixed to a member, and a lock mechanism provided with a regulating member that moves in accordance with the rotation of the EVF slide mechanism and regulates / releases the movement of the guide shaft at the tip of the guide shaft. It has a configuration.

According to this configuration, the EVF slide mechanism is provided with a lock mechanism which moves in accordance with the tilt UP / tilt DOWN and which has a regulating member at the tip of the guide shaft for regulating / releasing the movement of the guide shaft. It is possible to provide an EVF slide lock mechanism that prevents damage to the cover and the video camera body.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is characterized in that a first cylindrical thin member and the first cylindrical thin member are relatively movable by a predetermined first distance so as to be inward. A second tubular thin member to be loosely fitted, and a third tubular thin member to be fitted inside by making the second tubular thin member relatively movable by a predetermined second distance, An image display unit and a guide bearing portion are provided in the first cylindrical thin member, and a guide shaft slidably inserted from one end of the third cylindrical thin member into the guide bearing portion. While fixing
A diopter adjustment mechanism having a lens for enlarging an image of the image display unit, wherein the first and second cylindrical thin members are substantially inserted into a third cylindrical thin member; In a position where the first to third cylindrical thin members are substantially discharged from each other, an EVF slide mechanism provided with a regulating mechanism for applying a predetermined regulating force, and the EVF slide mechanism is rotated by a predetermined angle. An EVF hinge mechanism fixed to the first cylindrical thin member and a corresponding movement of the EVF slide mechanism so as to apply a predetermined load as much as possible to support the shaft. Since the lock mechanism is provided with a restricting member for restricting / releasing the movement of the lever, the EVF unit cannot be slid and stored in the tilted up state even if the EVF unit is pushed in the optical axis direction. Camcorders wounded body, has the effect that the damage can be prevented.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 is a perspective view of a video camera having an EVF slide lock mechanism according to the present embodiment. An EVF unit 101 incorporating an EVF slide lock mechanism is fixed to a video camera body 102. Have been. 1A shows a state in which the EVF unit 101 is stored, FIG. 1B shows a state in which the EVF unit 101 is pulled out, and FIG. 1C shows a state in which the EVF unit 101 is raised after being pulled out. It is. FIG.
FIG. 2 is an exploded perspective view of the entire EVF unit including the EVF slide lock mechanism. 3 to 7 show:
FIG. 2 is a partial exploded perspective view of an EVF slide mechanism and an EVF slide lock mechanism.

In FIG. 2A, reference numeral 103 denotes a small EVF slide as a first cylindrical thin member, 104 denotes an EVF slide as a second cylindrical thin member, and 105 denotes a third cylindrical thin member. It is a certain EVF slide size, and all are made by deep drawing of an iron plate. EVF slide large 105
, A slide click spring 131 which is a regulating mechanism for giving a predetermined regulating force is fixed by caulking. EVF
The slide click spring 131 is provided in the slide 104.
Is provided with a click hole 104a to be fitted to the tip of the. E
The inside of the VF slide 104 is provided with a stopper inner claw 104b and a stopper outer claw 104c for regulating the position at the time of storage / drawing. In response to this, EVF
The small slide 103 is provided with a stopper guide hole 103b which is relatively movable by a predetermined first distance, and the large EVF slide 105 is provided with a stopper guide hole 105b which is relatively movable by a predetermined second distance. I have.

The large EVF slide 105 is attached so as to surround the middle 104 of the EVF slide. Mounting is EVF
The vicinity of the stopper outer claw 104c on both sides of the slide 104 is urged as shown in FIG.
5b. Similarly, the EVF slide 104 is attached so as to surround the EVF slide 103. Attachment is performed by urging both side surfaces of the EVF slide small 103 as shown in the drawing E and elastically deforming the stopper so that the stopper inner claw 104b is inserted into the stopper guide hole 103b. In this way, EVF slide 1
03, 104 during EVF slide, and 10 large EVF slides
Combine with 5.

Reference numeral 106 denotes an LCD holder for holding an LCD; 107, a light-shielding shade for preventing external light from leaking from a gap between the EVF slide 103 and the EVF slide 104; an LCD holder 106 for housing an image display unit; Fixed to. The shading shade 107 always has E
A thin plate of silicon rubber is formed to elastically urge the inner wall of the VF slide 104 to prevent light leakage. Also, in order to securely fix the soft rubber portion to the LCD holder 106, the silicon rubber is insert-molded on a board component made of a thin sheet metal, thereby forming the light-shielding shade 107 as an integral component.

The LCD holder 106 is provided with two guide bearings 106a. In addition, LCD holder 1
At 06, there is an opening for viewing the image displayed by the image display unit. Here, a transparent protective cover 108 is fitted in order to prevent dust from entering from outside and adhering to the image display unit to make it hard to see. Note that the dust attached to the surface of the transparent protective cover 108 is hardly visible because the focus is shifted. The transparent protective cover 10
Since the light of the image leaks from the peripheral edge of 8 and is unsightly, a protective cover sheet 108a for shielding the light is attached to the surface of the transparent cover 108. The LCD holder 106 thus configured is inserted into the small EVF slide 103, and is fixedly engaged with the engaging claw 106b by the engaging concave portion 103c.

Two guide shafts 109a, which are guide shafts slidably inserted into the two guide bearing portions 106a.
Is fixed to the EVF slide 105 with the guide shaft holder fixing screw 120.

The guide shaft holder 109 is provided with a diopter adjusting mechanism having a lens for enlarging the image of the image display unit, thereby forming a diopter adjusting mechanism unit 132. The diopter adjustment mechanism unit 132 is configured as follows,
It is arranged.

Guide shaft 109 of guide shaft holder 109
a shows a lens holder 1 to which a lens 111 for enlarging an image displayed on the image display unit is fixed.
10 is slidably inserted in the guide bearing hole 110a. Between the lens holder 110 and the guide shaft 109a press-fitting base of the guide shaft holder 109,
A coil spring 112 is inserted into the guide shaft 109a.
Is always elastically biased.

On the other hand, a diopter adjusting lever 113 for changing the position of the lens holder 110 is inserted into an opening provided in the guide shaft holder 109 from one surface, and a torque spring 114 for applying an axial force to the other surface. A torque sheet 11 for generating a predetermined frictional force with respect to the axial force.
5. The diopter adjustment pieces 116 provided with the cam follower portions 116a for regulating the position of the lens holder 110 are sequentially inserted, and these are fastened with the diopter fixing screws 117. The lens holder 110 is provided with a one-sided cam 110b with which the cam follower portion 116a contacts. The diopter adjustment lever 113 and the diopter adjustment piece 116 are integrally fastened, and the position of the cam follower 116a also moves according to the turning position of the diopter adjustment lever 113, and the position of the lens holder 110 changes. The single-sided cam 1
The position of 10b is restricted only in the direction in which the coil spring 112 repels, and is configured to be freely movable in the direction in which the coil spring 112 contracts. The diopter adjustment mechanism unit 132 configured as described above is mounted on the EVF slide 10 by the guide shaft holder fixing screw 120.
5 is attached.

In FIG. 2B, an eye cap 118 is shown.
Is hooked at one end into the engagement groove 105c of the EVF slide large 105, and the other is screwed into the guide shaft holder 109.
Fixed at 19. E assembled in this way
The VF slide mechanism is covered with an EVF cover 122. The EVF cover 122 is fixed by engaging two engagement ribs 122a provided on the lower inner surface thereof with two engagement grooves 105f provided on the large EVF slide 105.

The EVF slide 105 has an opening 10 in order to remove dust adhering to the transparent protective cover 108.
5d is provided. Then, the window cover 121 for normally closing the opening 105d is attached to the EVF slide 1
05, and engages with an engaging claw 121a provided on the window cover 121 by an elastic force of the window cover 121 at an engaging hole 105e provided on the large EVF slide 105, thereby being detachably fixed. By attaching the window cover 121, the EVF cover 12
2 near the engagement rib 122a.
5, the engagement rib 122a
Are not detached from the engagement groove 105f.

The image display unit includes an LCD mask 126 as a light shielding member having a square hole of a predetermined size so as to determine an angle of view range of the display unit, and an LCD panel 1 as an image display unit.
27. An EVF rubber 128 made of an elastic sheet to absorb thickness variations of each component, a structure in which two substrates are integrally connected by a flexible substrate, and a square fluorescent tube as a light source of an LCD and various driving devices. An LCD drive circuit unit 125 having a circuit mounted thereon, and a PB spacer 129 inserted between two substrates of the LCD drive circuit unit 125 and supporting them at a predetermined interval. These components are inserted into the LCD holder 106 in the order described above.

Finally, the first hinge angle 133 which is one member of the EVF hinge unit 130 for rotatably supporting the EVF unit 1 with a predetermined torque with respect to the video camera body 102 is attached to the EVF slide 103.
And the image display unit is stored and fixed by closing the cover. At this time, an EVF click spring 123, which is a restricting mechanism for applying a predetermined restricting force, is fixed to the upper portion of the EVF slide 103 by the fixing screw 12.
4 is fixed simultaneously. EVF click spring 123
In the retracted state of the EVF slide mechanism, the small EVF slide 103 and the small EVF slide 103 generate a predetermined frictional load.
It is sandwiched between 104 in the VF slide. Also, EV
When the F slide mechanism is pulled out, the tip inclined portion 123a of the EVF click spring 123 is fixed so as to urge the end face of the EVF slide 104, and the EVF click spring 123 is fixed.
The F-slide mechanism is arranged and configured to generate a predetermined load at the start of storage of the F-slide mechanism to give a click feeling. The other end of the EVF click spring 123 forms an engagement inclined portion 123b that engages with the tip of the slide click spring 131 when the EVF slide mechanism is stored. By this engagement, a predetermined load is generated at the time of storing / drawing out the EVF slide mechanism, giving a holding force and a click feeling in the stored state.

The structure of the EVF hinge unit 130 will be described with reference to FIG. A guide hole 135a formed in a slide lock plate 135 which is a regulating member for regulating / releasing the movement of the guide shaft 109a at the tip of the guide shaft 109a.
Then, the caulking pin 136 is inserted and fixed to the first hinge angle 133 by caulking, so that the slide lock plate 135 is fixed to the first hinge angle 133.
Is movably supported. First hinge angle 13
3 and the slide lock plate 135 are formed with a spring engagement groove 133a and a spring engagement hole 135b, respectively. By inserting one end of the slide lock spring 138 into the spring engagement groove 133a and the other end into the spring engagement hole 135b, the slide lock plate 135 is always urged upward with respect to the first hinge angle 133. ing. A lock cam 137 made of synthetic resin is press-fitted and fixed to the slide lock plate 135. The second hinge angle 134 and the washer 139 are loosely inserted into the first hinge angle 133 thus assembled, and the shaft hole 134a and the washer 139 formed in the second hinge angle 134 are inserted.
The first hinge angle 133 and the second hinge angle 134 are rotatably supported by applying a predetermined rotation torque by inserting the torque shaft 140 into the hole 139a and tightening by caulking.

A click hole 133b is provided in the first hinge angle 133, and an EVF is provided in the second hinge angle 134.
When the hinge unit 130 is closed (see FIG.
In the state (b), click protrusions 134c that engage with the click holes 133b are formed.

The second hinge angle 134 includes an EVF
Lock cam 137 when tilting down unit 1
, And a cam follower portion 134b for moving the slide lock plate 135 downward through this is integrally formed by bending. In front of the guide shaft 109a of the second hinge angle 134, a guide hole 134 is inserted so as not to damage the guide shaft 109a.
d is formed by burring.

The first hinge angle 133 includes an EVF
Tapping part 133 for fastening to small slide 103
c is formed. In addition, the second hinge angle 134
Has an engaging portion 13 for fixing to the video camera body 2.
4e and a screw hole 134f.

The EVF hinge unit 130 thus configured is fastened and fixed to the EVF slide mechanism as described above to form the EVF unit 101, and the engaging portion 134e of the second hinge angle 134 is connected to a video camera. Insert into an engaging hole (not shown) formed in the main body 102,
It is fastened and fixed to the video camera main body 102 by a main body fixing screw (not shown) in the screw hole 134f.

The E of the present embodiment configured as described above
Regarding the VF slide mechanism, using FIG. 8 to FIG.
The operation will be described.

FIG. 8 shows a state in which the EVF unit 101 is pulled out, FIG. 9 shows a state in which the EVF unit 101 is stored, and FIG. 10 shows a state in which the EVF unit 101 is pulled out and turned and raised as shown in FIG. The cross-sectional views are all shown. First, the EVF unit 101
The state in which is drawn out will be described.

The stopper inner claw 104b and the end face of the stopper guide hole 103b, and the stopper outer claw 104c and the end face of the stopper guide hole 105b are brought into contact with each other, so that the stopper is pulled out to a predetermined drawing position. In addition, as shown in FIG.
4a and the tip 131a of the slide click spring 131 of the EVF slide large 105 are fitted, and the EVF click spring 1
23 is held in this pulled-out position by abutting and urging the end inclined portion 123a on the end surface of the EVF slide 104.

Regarding the diopter adjustment mechanism unit 132,
By changing the rotation position of the diopter adjustment lever 113,
1 is adjusted so as to be in a position corresponding to the visual acuity of the user.

In this state, the lock cam 137 of the slide lock plate 135 is moved downward by the cam follower portion 134b, and the lock plate opening 135d is located in front of the guide shaft 109a. For this reason,
By pressing the EVF unit 101 in the direction of arrow B shown in FIG. 1B against a predetermined click force, the EVF unit 101 can be stored.

Next, a state where the EVF unit 101 is stored will be described. As shown in FIG.
04b and the end face of the stopper guide hole 103b, and the end face of the stopper outer claw 104c and the end face of the stopper guide hole 105b abut on each other to be stored to a predetermined storage position. In addition, the engagement inclined portion 123b of the EVF click spring 123 and the tip 131 of the slide click spring 131
By being engaged with a, it is held at this storage position.

Regarding the diopter adjustment mechanism unit 132,
When stored, the lens holder 110 and the transparent protective cover 108
Comes into contact during the storage process. Here, since the position of the lens holder 110 is restricted only by the repulsion direction of the coil spring 112 by the one-sided cam 110b, if the storing operation is further continued, the coil spring 112 contracts, and the one-sided cam 110b and the cam follower portion 116a Leaves. In this way, the lens can be stored compactly regardless of the position of the lens 111.

Even in this state, the slide lock plate 1
In 35, a lock cam 137 is moved downward by a cam follower portion 134b, and a lock plate opening 135d is located in front of the guide shaft 109a. For this reason, the EVF unit 101 can be pulled out by pulling in the direction of arrow A shown in FIG. 1B against a predetermined click force.

Finally, the state in which the EVF unit 101 is pulled out and then turned and raised will be described.

As shown in FIG. 10, the stopper inner claw 104b
The end face of the stopper guide hole 103b and the end face of the stopper outer claw 104c and the end face of the stopper guide hole 105b are brought into contact with each other to be pulled out to a predetermined draw-out position. In addition, click hole 1 in 104 during EVF slide
04a and the tip 131a of the slide click spring 131 of the EVF slide large 105 are fitted, and the tip inclined portion 123a of the EVF click spring 123 is in the EVF slide 104.
Is held in this pulled-out position by abutting against and biasing the end face of

Regarding the diopter adjustment mechanism unit 132,
By changing the rotation position of the diopter adjustment lever 113,
1 is adjusted so as to be in a position corresponding to the visual acuity of the user. In this state, since the lock cam 137 and the cam follower portion 134b are separated from each other, the slide lock plate 135 is moved upward by the slide lock spring 138, and the lock plate restricting portion 135c is located in front of the guide shaft 109a. I have. For this reason, even when pressed against the predetermined click force in the direction of arrow D shown in FIG.
Since the guide shaft 109a and the lock plate restricting portion 135c abut, the EVF unit 101 cannot be housed.

In the present embodiment, the thin EVF slide 103, which is a thin member, and 10
4. The large EVF slide 105 is formed by deep drawing of an iron plate, but may be formed by crimping or welding after bending, or may be processed by extrusion, and the processing method is not limited. In addition, the material does not necessarily have to be an iron plate.

The light-shielding shade 107 is made by insert-molding silicon rubber on a board part made of thin sheet metal, but the material and processing method are not limited. For example, an elastomer or silicone rubber may be integrally formed on a resin base material, and the processing method may be adhesion.

In the present embodiment, the EVF click spring 123 and the slide click spring 131 are used as a regulating mechanism for giving a predetermined regulating force. It may be formed in any way, and its method does not matter. Further, the predetermined regulating force does not always need to have a click feeling, but may be only a holding force such as friction.

In the diopter adjustment mechanism unit 132, the guide shaft 109a is used as a guide member for moving the lens holder 110. However, other members may be used, and one coil spring 112 may be used. It does not need to be a compression coil spring. In addition, the diopter adjustment method does not necessarily need to be the lever method, and the method of generating the operation torque does not matter.

[0052]

As described above, according to the present invention, the EVF slide mechanism moves in accordance with the tilt UP / tilt DOWN,
By providing a lock mechanism provided with a regulating member for regulating / releasing the movement of the guide shaft at the tip of the guide shaft, EVF
The unit and the video camera body can be prevented from being damaged or damaged.

[Brief description of the drawings]

FIG. 1 is a perspective view of a video camera having an EVF slide mechanism according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view of the entire EVF slide mechanism according to the first embodiment of the present invention.

FIG. 3 is a partially exploded perspective view of the EVF slide mechanism according to the first embodiment of the present invention.

FIG. 4 is a partially exploded perspective view of the EVF slide mechanism according to the first embodiment of the present invention.

FIG. 5 is a partially exploded perspective view of the EVF slide mechanism according to the first embodiment of the present invention.

FIG. 6 is a partially exploded perspective view of the EVF slide mechanism according to the first embodiment of the present invention.

FIG. 7 is a partially exploded perspective view of the EVF slide mechanism according to the first embodiment of the present invention.

FIG. 8 is a side sectional view showing a state where the EVF slide mechanism according to the first embodiment of the present invention is pulled out.

FIG. 9 is a side sectional view in a state where the EVF slide mechanism according to the first embodiment of the present invention is housed.

FIG. 10 is a side sectional view showing a state where the EVF slide mechanism according to the first embodiment of the present invention is pulled out and raised.

FIG. 11 is a perspective view of a video camera having a conventional EVF slide mechanism.

FIG. 12 is a partially exploded perspective view of a conventional EVF slide mechanism.

FIG. 13 is a partially exploded perspective view of a conventional EVF slide mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 101 EVF unit 102 Video camera main body 103 F slide small 104 EVF slide middle 105 EVF slide large 106 LCD holding piece 107 Light shielding shade 108 Transparent protection panel 109 Guide shaft holder 110 Lens holder 111 Lens 112 Coil spring 113 Diopter adjustment lever 114 Torque spring 115 Torque sheet 116 Diopter adjustment piece 117 Diopter fixing screw 118 Eye cap 119 Screw 120 Guide shaft holder fixing screw 121 Window cover 122 EVF cover 123 EVF click spring 124 Hinge fixing screw 125 LCD drive circuit unit 126 LCD mask 127 LCD panel 128 EVF rubber 129 PB spacer 130 EVF hinge unit 131 Slide click spring 132 views Adjusting mechanism unit 133 first hinge angle 134 second hinge angle 135 slide lock plate 136 caulking pin 137 lock cam 138 slide lock spring 139 washer 140 torque shaft

Claims (1)

[Claims] A first tubular thin member; a second tubular thin member which is relatively movable inside the first tubular thin member by a predetermined first distance and is loosely fitted inside; A second cylindrical thin member which is relatively movable inside by a predetermined second distance and has a third cylindrical thin member which is loosely fitted inside; an image display unit and a guide bearing portion are provided on the first cylindrical thin member. A diopter having a lens for fixing a guide shaft slidably fitted to the guide bearing portion from one end of the third cylindrical thin member and enlarging an image of the image display unit. An adjusting mechanism is provided, and a position where the first and second cylindrical thin members are substantially inserted into the third cylindrical thin member, and the first to third cylindrical thin members are substantially mutually separated. An EV provided with a regulating mechanism that gives a predetermined regulating force to the position where the sheet is discharged. An F slide mechanism, an EVF hinge mechanism fixed to the first cylindrical thin member so as to apply a predetermined load so as to be rotatable by a predetermined angle and to support the EVF slide mechanism, and an EVF slide mechanism An EVF slide lock mechanism, comprising: a lock mechanism provided with a regulating member that moves in accordance with the rotation of the guide shaft and regulates / releases the movement of the guide shaft at the tip of the guide shaft.