KR100753202B1 - Video device protection device - Google Patents

Abstract

The present invention relates to a protective device for use in an imaging device comprising a main body having an opening and a lens barrel detachably coupled to the main body. According to an aspect of the present invention, an apparatus for protecting a video device includes a front part including a front light transmitting part corresponding to a first guide and an opening, a rear part having a rear light transmitting part corresponding to a second guide and an opening, and a front part and a rear part. And a protective cover for opening or closing the opening while moving along the first guide and the second guide by rotation of the lens barrel. The video device protection device having such a configuration can prevent foreign substances from flowing into the video device, thereby preventing malfunction and failure of the video device.

Description

Video device protection device {PROTECTIVE DEVICE FOR PHOTOGRAPHING DEVICE}

1 is an exploded perspective view of a protective device according to an embodiment of the present invention.

2 is a plan view of a front portion according to an embodiment of the present invention.

3 is a plan view of a rear portion according to an embodiment of the present invention.

Figure 4a is a perspective view showing a state in which a protective device according to an embodiment of the present invention is coupled to the inside of the main body part of the front portion is exposed to the outside.

Figure 4b is a schematic diagram showing a state in which the protective device according to an embodiment of the present invention is coupled to the lens barrel.

5 is a schematic view showing a closed state of the protection device according to an embodiment of the present invention.

6 is a schematic view showing an open state of the protection device according to an embodiment of the present invention.

<Description of Drawing>

10 Front section 11 First guide

13 Coupling Hole 15 Front Floodlight

31, 31 'shroud

33, 33 'first projection

35, 35 '2nd protrusion

37, 37 'step

40 torsion springs

50 Rear view 51 2nd guide

53 Coupling Hole 55 Rear Floodlight

60 Fixing member 70 Body

71 opening 80 lens barrel

The present invention relates to an apparatus for protecting a video device.

Recently, in a video device such as a camera or a camcorder, a structure capable of separating and combining a lens barrel provided with a plurality of lenses from a main body has been widely adopted. Such a lens barrel is used for a high performance camera or a camcorder to further improve the function of an imaging device. In general, a lens barrel is mounted on a tip of a lens barrel, and a zoom lens for linearly moving a magnification of a light incident from a subject is provided in the lens barrel. The user is provided with a plurality of such lens barrels to select a suitable lens barrel in accordance with weather conditions or shooting time, and then used in combination with the body of the video device, such as a camera or a camcorder.

As described above, in the imaging apparatus having the lens barrel, when the lens barrel is separated, an opening through which light is incident into the main body is opened to the outside. At this time, dust or foreign substances scattered by the external weather or environmental conditions may be introduced into the main body of the imaging apparatus through the openings, causing malfunctions, and failing to capture a desired level of image.

The present invention provides a video device protection device that can block the inflow of external foreign matter.

Imaging apparatus protection device according to an aspect of the present invention is applied to a protective device used in the imaging device including a main body having an opening and a lens barrel that is detachably coupled to the main body. The apparatus for protecting a video device includes a front part having a front light transmitting part corresponding to the first guide and an opening, a rear part having a rear light transmitting part corresponding to the second guide and the opening, and a rotation of the lens barrel positioned between the front part and the rear part. It includes a protective cover for opening or closing the opening while moving along the first guide and the second guide.

The apparatus for protecting a video device according to embodiments of the present invention may have one or more of the following features. For example, the first guide is provided with a pair symmetrically with respect to the front projection, the second guide is provided with a pair symmetrically with respect to the rear projection, and the protective cover is provided with a first protrusion guided by the first guide and It may comprise a first protective cover and a second protective cover each having a second protrusion guided by the second guide. The first protrusion may be coupled to the lens barrel through the first guide.

Each of the first protective cover and the second protective cover has a joint at one side, and when the lens barrel is separated from the main body, the joint of the first protective cover and the joint of the second protective cover come into contact with each other to close the opening of the main body. And since each step is formed complementary to each step, it is possible to more effectively block the inflow of foreign matter by the step when the step of the junction of the joining each other.

The video device protection device may further include a torsion spring interposed between the front part and the rear part and in contact with the first protective cover and the second protective cover. When the first protective cover and the second protective cover are separated, the torsion spring is bent to press the first protective cover and the second protective cover, and thus, when the lens barrel is separated, the first protective cover and the second protective cover are separated by the torsion spring. Closure by the protective cover becomes easier.

In addition, a groove in which the torsion spring is inserted may be formed around the first protective cover and the second protective cover. This allows the torsion spring to move in the tangential direction thereof without departing from the first protective cover and the second protective cover. And the protection device is fixed to the inside of the main body, a portion of the front portion may be exposed to the outside through the opening.

Hereinafter, an embodiment of an apparatus for protecting a video device according to the present invention will be described in detail with reference to the accompanying drawings. In the following description with reference to the accompanying drawings, the same or corresponding components are assigned the same reference numerals, and duplicated thereto. The description will be omitted.

Video devices for capturing and recording image information include cameras, digital cameras, camcorders, and the like, and recently, portable terminals equipped with cameras have been released. The apparatus for protecting a video device of the present invention is used in these, collectively referred to as a video device having a lens barrel detachably coupled to the main body of the video device, the main body of the video device having an opening opening for light passing through the lens barrel. Hereinafter, one embodiment of the present invention applied to a camera among imaging apparatuses will be described in detail, but the present invention is not limited thereto, and various modifications are possible.

1 is an exploded perspective view of an apparatus for protecting a video device according to an embodiment of the present invention. Referring to FIG. 1, an apparatus for protecting a video device according to an embodiment of the present invention may include a front portion 10 contacting the lens barrel 80, a rear portion 50 coupled to the main body 70, and a front portion 10. And a pair of protective covers 31 and 31 ′ positioned between the rear parts 50 to open or close the opening 71 provided in the main body 70 in association with the rotation of the lens barrel 80. In addition, a torsion spring 40 is interposed between the rear part 50 and the protective cover 30.

The lens barrel 80 includes a plurality of lenses inside the cylindrical body. The lens barrel 80 is coupled to or detachably coupled to the body 70. Therefore, the user may select various lens barrels 80 according to the use environment of the imaging device or the purpose of the photographing, and then separate or combine them with the main body 70.

The rear surface of the lens barrel 80 is the first projection (33, 33 ') of the protective cover (31, 31') protruding through the first guide 11 of the front portion 10, as shown in Figure 4a Combine with Therefore, when the lens barrel 80 is rotated to separate or couple the lens barrel 80 with respect to the main body 70, the protective cover 31, 31 'also rotates in conjunction with this, thereby opening or closing the opening 71. do. This will be described in more detail below.

The main body 70 has an opening 71 on its front surface, and light is incident into the main body 70 through the opening 71. The front part 10, the protective cover 31, 31 ′, and the rear part 50 are coupled to the inside of the main body 70, and a part of the front part 10 is exposed to the outside through the opening 71. have. At this time, since the opening 71 of the body 71, the front light transmitting portion 15 and the rear light transmitting portion 55 are in communication with each other, the light incident through the lens barrel 80 through the inside of the body 70 through them. Incident.

The protective covers 31 and 31 'are composed of a pair having an approximately semicircular shape. That is, the shape of each of the protective cover (31, 31 ') is the same, and the other protective cover 31' is rotated 180 degrees with respect to one protective cover (31). 1, the first protrusions 33 and 33 ′ protrude in the direction of the lens barrel 80 on one surface of the protective covers 31 and 31 ′. The second protrusions 35 and 35 'protrude in the direction of the main body 70 on the rear surfaces of the protective covers 31 and 31'.

The protective covers 31 and 31 'have a joint 39 corresponding to a straight line. Steps 37 and 37 'are formed in the junction 39 so as to correspond to each other (see the dotted circle in Fig. 5). And one side of the circular circumference of the protective cover (31, 31 ') is formed with a groove 38 into which the torsion spring 40 can be inserted as shown in Figure 6 (see dotted circle in Figure 6).

2 to 3 are plan views of the front portion 10 and the rear portion 50 according to an embodiment of the present invention.

2, the front portion 10 according to an embodiment of the present invention has a front light transmitting portion 15 having a shape corresponding to the opening 71 of the main body 70 in the center and the circular arc on the left and right sides thereof. The shape of the first guide 11 is formed. In addition, a plurality of coupling holes 13 are formed at the corners of the front portion 10, and a fixing member 60, such as a screw, is inserted into the coupling hole 13 to form the front portion 10 and the rear portion 50. To combine.

The size and shape of the front transparent part 15 are substantially the same as the opening 71 of the main body 70 and the rear transparent part 55 of the rear part 50. Therefore, the light incident through the lens barrel 80 sequentially passes through the front light transmitting part 15, the rear light transmitting part 55, and the opening 71, and then enters the inside of the main body 70.

The first guide 11 has an arc shape having a constant center angle and serves to guide the rotation of the first protrusions 33 and 33 '. The first guides 33 and 33 'of the protective covers 31 and 31' are inserted into the first guide 11, respectively, and pass through the first guides 11 to be coupled to the lens barrel 80. The first guide 11 has the first projections 33 and 33 'positioned at one end of the first guide 11 when the protective covers 31 and 31' are in the closed state (see FIG. 5). When the 31 and 31 'are in the fully open state (see FIG. 6), the first protrusions 33 and 33' can be positioned at the other end of the first guide 11.

Referring to FIG. 3, the rear part 50 according to an embodiment of the present invention has a rear light transmitting part 55 corresponding to the front light transmitting part 15 of the front part 10, and the A pair of second guides 51 are formed at positions symmetrical with respect to the center. The rear portion 50 is fixed to the front of the body 70.

The shape and position of the back light projecting portion 55 is the same as that of the front light projecting portion 15. In addition, a plurality of coupling holes 53 corresponding to positions and numbers of the coupling holes 13 of the front portion 10 are formed at the corners of the rear portion 50. A fixing member (60 in FIG. 4B) is inserted into each of the coupling holes 13 and 53 to couple the front part 10 and the rear part 50.

The second guide 51 is formed to be substantially orthogonal to the extending direction of the first guide 11. That is, when the first guide 11 extends in the vertical direction as shown in FIG. 2, the second guide 51 extends in the horizontal direction. The second guides 35 and 35 'of the protective covers 31 and 31' are inserted into the second guide 51 to move left and right. In the second guide 51, when the protective covers 31 and 31 ′ are closed (see FIG. 5), the second protrusions 35 and 35 ′ are positioned at one end, and the protective covers 31 and 31 ′ are completely completed. When opened (see FIG. 6), the second protrusions 35 and 35 ′ have a length such that they can be located at the other end.

Figure 4a is a perspective view showing a state in which the protection device is coupled to the inside of the main body 70 is coupled according to an embodiment of the present invention.

Referring to FIG. 4A, the first guide 11 formed on the front portion 10 is exposed to the outside through the opening portion 71 of the main body 70, and the protective cover 31 is formed on the first guide 11. The first projections 33 and 33 'of 31' are inserted to protrude toward the lens barrel 80 to the outside. And since the lens barrel 80 is separated from the main body 70, the protection cover 31, 31 'rotates and contacts each other, and closes the opening 71. FIG. Therefore, when the lens barrel 80 is separated from the main body 70, since the opening 71 is closed by the protective covers 31 and 31 ′, foreign matters are prevented from flowing through the opening 71.

Figure 4b is a schematic diagram showing a state in which the video device protection device according to an embodiment of the present invention is coupled. In FIG. 4B, the main body 70 is omitted for convenience of description.

Referring to FIG. 4B, the front portion 10 and the rear portion 50 are coupled at regular intervals by the fixing members 60 inserted into the coupling holes 13 and 53. A pair of protective covers 31 and 31 ′ is positioned between the front portion 10 and the rear portion 50. The protective covers 31 and 31 'are provided with the first projections 33 and 33' inserted into the first guide 11 and the second projections 35 and 35 'inserted into the second guide 51, respectively. 80) to rotate clockwise or counterclockwise.

Although not shown, the rear portion 50 is fixed to the main body 70 in contact with the front surface of the main body 70. In addition, the first protrusions 33 and 33 ′ protruding forward through the first guide 11 of the front portion 10 are inserted into the lens barrel 80 such that the lens barrel 80 is connected to the main body 70. Combined. In addition, since the lens barrel 80 may be separated from the first protrusions 33 and 33 ', the user may remove the lens barrel 80 from the main body 70 and then remove the lens barrel 80 having the desired specification. , 33 '), the main body 70 and the lens barrel 80 can be coupled.

Hereinafter, the operation of the apparatus for protecting a video device according to an embodiment of the present invention will be described with reference to FIGS. 5 and 6.

5 is a schematic view showing a state in which the protective covers 31 and 31 'are closed.

Referring to FIG. 5, the junction parts 39 and 39 ′ of the pair of protective covers 31 and 31 ′ are in contact with each other, and the contacting direction is a diagonal direction of the front light emitting part 15. Since the rear transparent part 55 of the rear part 50 and the opening 71 of the main body 70 are closed by the protective covers 31 and 31 ′, foreign substances such as dust and moisture flow into the main body 70. Protection and internal components are protected. As shown in FIG. 5, when the protective covers 31 and 31 ′ are closed, the lens barrel 80 is separated from the first protrusions 33 and 33 ′, so that the lens barrel 80 and the main body 70 are separated from each other. do.

The first protrusion 33 ′ and the second protrusion 35 ′ of the protective cover 31 ′ disposed at an upper portion thereof are inserted into the first guide 11 and the second guide 51, respectively, and are positioned at one end thereof. In addition, the first and second protrusions 33 and 35 of the protective cover 31 positioned below are inserted into the first guide 11 and the second guide 51, respectively, and are positioned at one end thereof. Side surfaces of the protective covers 31 and 31 ′ are in contact with the torsion spring 40 as shown in FIG. 5. The torsion spring 40 is inserted into and supported by the fixing member 60 inserted into the coupling hole 13 of the front portion 10 and the coupling hole 53 of the rear portion 50, and protect covers 31 and 31 '. When it is opened serves to pressurize it.

As shown in the dotted circle below, the junctions of the protective covers 31 and 31 'are each formed with steps 37 and 37', and the steps 37 and 37 'are complementary to each other. Meshing together to effectively block the ingress of foreign objects.

In this state, when the lens barrel 80 is rotated by engaging the first projections 33 and 33 ', the first projections 33 and 33' of the protective caps 31 and 31 'are guided by the first guide 11. ) Is moved clockwise (arrow direction), and the second projections 35 and 35 'move clockwise along the second guide 51 (arrow direction). When the first protrusions 33 and 33 'and the second protrusions 35 and 35' move in contact with the other ends of the first guide 11 and the second guide 51, as shown in FIG. 31 and 31 'are completely open and stopped and each junction 39, 39' is positioned in parallel with one side of the front projection 15 and the rear projection 55. As a result, the rear light transmitting part 55 and the opening 71 are opened, and light is incident into the main body 70 through the opening 71.

And the torsion spring 40 is fixed to the center by the fixing member 60, as shown in the dotted circle of Figure 6, is inserted into the groove 38 formed around the protective cover 31, 31 ' have. When the protective covers 31 and 31 'are rotated to open the opening 71, the torsion spring 40 is partially bent to press the protective covers 31 and 31'. As a result, when the lens barrel 80 is separated from the first protrusions 33 and 33 'and the coupling with the main body 70 is released, the protective cover 31 and 31' is opened by smoothly rotating in the counterclockwise direction. (71) is to be closed easily.

The present invention is not limited to the above embodiments, and many variations are possible by those skilled in the art within the spirit of the present invention.

As described above, the apparatus for protecting a video device according to the present invention prevents internal malfunction and failure of the photographing device because the device automatically blocks the inflow of foreign substances by opening or closing the inside of the video device according to the replacement operation of the lens barrel. Can be.

In addition, the apparatus for protecting a video device according to the present invention can achieve the effect of improving the durability and reliability of the product.

Claims (8)

A protective device for use in an imaging apparatus comprising a main body having an opening and a lens barrel detachably coupled to the main body, A front part having a first guide and a front light transmitting part corresponding to the opening part; A rear part having a second guide and a rear light transmitting part corresponding to the opening; And a protective cover positioned between the front portion and the rear portion, the cover configured to open or close the opening while moving along the first guide and the second guide by rotation of the lens barrel. The method of claim 1, The first guide is provided with a pair symmetrically with respect to the front light transmitting portion, The second guide is provided with a pair symmetrically with respect to the rear light transmitting portion, The protective cover includes a first protective cover and a second protective cover each having a first protrusion guided by the first guide and a second protrusion guided by the second guide. The method of claim 2, And the first protrusion is coupled to the lens barrel through the first guide. The method of claim 2, The first protective cover and the second protective cover each have a junction on one side, And the junction portion of the first protective cover and the junction portion of the second protective cover are in contact with each other when the lens barrel is separated from the main body. The method of claim 4, wherein Imaging device protection device is formed in the junction portion complementary to each. The method of claim 2, The apparatus for protecting a video device further includes a torsion spring interposed between the front part and the rear part and in contact with the first protective cover and the second protective cover. And the torsion spring is bent to press the first protective cover and the second protective cover when the first protective cover and the second protective cover are separated. The method of claim 6, And a groove into which the torsion spring is inserted is formed around the first protective cover and the second protective cover. The method according to any one of claims 1 to 7, The protection device is fixed to the inside of the main body, and a video device protection device that a portion of the front portion is exposed to the outside through the opening.

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