KR100839015B1 - Apparatus for closing and opening camera door in mobile - Google Patents

Abstract

A mobile phone camera door opening/closing device is provided to fully close an opening hole by mounting magnets on blades, thereby perfectly blocking intrusion of foreign substance such as dust incoming through the opening hole. A base(20) is disposed on a front side of a lens by being equipped with an opening hole(25). A driving unit(10) is mounted on the base. A first and second blades(31,32) open/close the opening hole by being rotatively mounted on the base. That is to say, a guide protrusion(33) slides along a guide grove(43), consequently a first and second blades rotate about a hinge of the base to open and close the opening hole. A middle plate(40) rotates by being mounted on an upper or lower part of the blades. The middle plate is rotated by actions of the driving unit, and the blades open/close the opening hole by being rotated by the rotation of the middle plate. The driving unit rotates the middle plate by magnetic forces.

Description

Mobile phone camera door opening device {Apparatus for closing and opening camera door in mobile}

1 is an exploded perspective view according to an embodiment of the present invention,

2 is an operating state according to an embodiment of the present invention,

3 is a structural diagram according to an embodiment of the present invention;

4 is a structural diagram according to another embodiment of the present invention;

<Description of the symbols for the main parts of the drawings>

10: driving part, 11: coil,

12: yoke, 13: magnet,

14: power transmission shaft, 20: base,

25: opening, 28: magnet,

31: first blade, 32: second blade,

33: guide protrusion, 35: magnet,

37, 38: magnetic material, 40: middle plate,

43: guide worker, 44: power transmission worker,

50: cover

The present invention relates to a mobile phone camera door opening and closing device, and more particularly to a camera door opening and closing device for automatically opening and closing the camera mounted on the mobile phone.

With the development of photography and digital technology, mobile phones or PDAs equipped with a camera device for converting an image formed through a lens into an electrical signal using an image pickup device and converting the image into digital data are stored.

The camera device is installed on the back, front or side of the mobile phone or PDA, and is installed to allow light to enter the lens.

In early mobile phones or PDAs, most of the lenses were exposed to the outside. In this case, dust or foreign matter was frequently caught on the surface of the lens, which damaged the lens and prevented clear pictures.

Thus, a PDA or a mobile phone with a camera door was developed.

At this time, the opening and closing method of the camera door has been proposed a method of opening and closing by a mechanical camera door opening and closing device that is opened and closed by a mechanical interlock according to the user operation, and an opening and closing method by an automatic camera door opening and closing device that is automatically opened and closed according to a specific condition.

As an example of an automatic camera door opening and closing device, the 'camera door opening and closing device of the folder type mobile phone' disclosed in the Patent Publication 2004-102482 and the 'camera door opening and closing device of the folder type mobile phone' disclosed in the Patent Publication 2004-102483 are known.

The 102482 patent allows the camera door with one blade to be opened and closed automatically using a solenoid, while the 102483 patent allows the camera door with two blades to be opened and closed automatically using a drive motor.

However, since the 102482 patent opens and closes by moving the camera door consisting of one blade, a wide moving space is required, and there is a problem in utilizing the space. This is a frequent problem.

In addition, when using the blade to close the camera door, there is a problem that the blade is not completely closed due to the minute tolerances between the parts, the dust or foreign matter on the surface of the lens.

An object of the present invention is to provide a mobile phone camera door opening and closing device that can open and close the mobile phone camera door automatically and smoothly, and also allows the blade to completely close the camera door.

In order to achieve the above object, the mobile phone camera door opening and closing device of the present invention comprises: a mobile phone camera door opening and closing device for opening and closing a mobile phone camera lens, the opening being formed on the front of the lens; A driving unit mounted to the base; A blade rotatably mounted to the base to open and close the opening; And a middle plate mounted on the upper or lower portion of the blade to rotate, wherein the middle plate is rotated by the operation of the driving unit, and the blade is rotated by the rotation of the middle plate to open and close the opening. The driving unit may rotate the middle plate by a magnetic force.

The drive unit is provided with a power transmission shaft for rotational movement is mounted in a position eccentric with respect to the opening in the base, the power transmission to rotate about the opening by the rotation of the power transmission shaft in the middle plate An arc-shaped power transmission hole in which the shaft is inserted is formed.

The blade is formed with a guide protrusion in an upward direction, and the middle plate is formed with an arc-shaped guide hole in which the guide protrusion is inserted and slides so as to rotate the blade by the rotation of the middle plate. .

The blade is equipped with a magnet.

Alternatively, one of the blades and the base is equipped with a magnet, and the other is mounted with a magnet or magnetic material in contact with the magnet.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is an exploded perspective view according to an embodiment of the present invention, Figure 2 is an operating state diagram according to an embodiment of the present invention, Figure 3 is a structural diagram according to an embodiment of the present invention, Figure 4 is another embodiment of the present invention The structural diagram according to the example.

Mobile phone camera door opening and closing device of the present invention is a device for opening and closing the mobile phone camera lens, as shown in Figure 1 and 2, the base 20, the drive unit 10, the blades (31, 32), the middle plate 40, a cover 50, and the like.

The base 20 is disposed on the front of the camera lens, a circular opening 25 is formed in the center.

The driving unit 10 drives the opening and closing device by power, and the driving unit 10 is mounted at a position eccentric with respect to the opening 25 in the base 20.

The driving unit 10 includes a coil 11, a yoke 12, a magnet 13, a power transmission shaft 14, and the like, and when power is applied to the coil 11, the power transmission shaft 14 by magnetic force. It is a structure that rotates while drawing this circle.

The driving unit 10 as described above is shown in detail in Japanese Patent Laid-Open Publication No. 2003-0092912 and the like, the description thereof will be omitted.

The blade is for opening and closing the opening 25, it is rotatably hinged to the base 20 is mounted.

The blade consists of a first blade 31 and a second blade 32 rotatably hinged to the base 20, respectively, the first blade 31 and the second blade 32 is the dog It is mounted in the mutually opposite direction about the Bang 25.

The first blade 31 and the second blade 32 are each formed in a substantially semi-circular shape so as to be in contact with each other to form a substantially circular shape so as to close the opening 25.

The guide protrusions 33 protrude upward from the first blades 31 and the second blades 32.

The middle plate 40 is mounted above or below the blade.

In the present exemplary embodiment, the middle plate 40 is disposed on the upper portion of the blade, but the middle plate 40 may be disposed between the lower portion of the blade and the base 20.

The middle plate 40 is rotated by the operation of the drive unit 10, which in turn serves as a power transmission body for opening and closing the opening 25 by rotating the blade.

To this end, the middle plate 40 has a curved arc of power transmission hole 44 is formed, the power transmission hole 44 is a power transmission shaft 14 of the drive unit 10. Is inserted.

In addition, the middle plate 40 is formed with an arc-shaped guide slot 43 into which the guide protrusion 33 is inserted separately from the power transmission slot 44.

Therefore, when the power transmission shaft 14 rotates in a circular shape by the operation of the driving unit 10 mounted at an eccentric position with respect to the opening 25 in the base 20, the power transmission shaft ( 14 is slid along the power transmission hole 44 so that the middle plate 40 in which the power transmission hole 44 is formed rotates about the opening 25.

The guide long hole 43 is also rotated by the rotation of the middle plate 40. At this time, the guide protrusion 33 is inserted into the guide long hole 43, and the guide protrusion 33 is Sliding along the guide hole 43, the first blade 31 and the second blade 32 is rotated around the hinged portion with the base 20 to open and close the opening 25 Done.

Fig. 2 (a) shows the state when the blade is closed, and Fig. 2 (b) shows the state when the blade is opened.

The cover 50 is mounted on the top of the middle plate, and is mounted to prevent dust or the like from penetrating into the camera opening and closing apparatus.

On the other hand, as shown in Figure 3, either one of the first blade (31) or the second blade 32 is mounted with a magnet 35, the other one is a magnetic body such as an iron core in contact with the magnet 35 37 is mounted so that the first blade 31 and the second blade 32 are in close contact with each other by magnetic force to completely close the opening 25.

That is, by mounting the magnet 35 and the magnetic body 37 on the contact surface of the first blade 31 and the second blade 32, the magnet 35 in the case to close the opening 25 The first blade 31 and the second blade 32 may be completely closed by the generated magnetic force.

In addition, the magnet 35 may be mounted on both the first blade 31 and the second blade 32.

In addition, as shown in FIG. 4, the magnetic body 38 is mounted on the first blade 31 and the second blade 32, and the first blade 31 and the second blade 32 are closed. In this case, the magnet 28 may be mounted on the portion of the base 20 to be in contact so that the blade closes well.

In this case, the magnet 28 and the magnetic material 38 mounted on the blade and the base 20 are mounted on the mutual contact surface at the position of closing the opening 25.

The magnet 28 may be mounted on the first blade 31 and the second blade 32, and the magnetic body 38 may be mounted on the base 20, and the first blade 31 and the second blade ( 32, as well as the base 20 can be used by mounting the magnet 28.

The present invention consisting of the above configuration is operated as follows.

When power is applied to the drive unit 10, the power transmission shaft 14 is rotated in a circular shape.

Since the power transmission shaft 14 rotates while sliding in the power transmission hole 44, the middle plate 40 is rotated.

The guide protrusion 33 inserted into the guide long hole 43 by the rotation of the middle plate 40 slides along the guide long hole 43, thereby the first blade 31 and the second blade. The blade 32 rotates about a hinge point with the base 20 to open and close the opening 25.

In order to close the opening 25, when the first blade 31 and the second blade 32 are positioned to some extent close to the first blade 31 or the second blade 32, The first blade 31 and the second blade 32 are completely formed by the mounted magnet 35 and the magnetic body 37 or the magnet 28 and the magnetic body 38 mounted on the blade or base 20. By being in close contact with the opening 25 completely, it is possible to completely block the inflow of foreign substances such as dust through the opening 25.

The camera door opening and closing apparatus of the present invention is not limited to the above-described embodiment, and may be variously modified and implemented within the range in which the technical idea of the present invention is permitted.

According to the mobile phone camera door opening and closing device of the present invention as described above has the following advantages.

First, the opening can be opened and closed automatically and smoothly by the driving unit driven by the magnetic force.

In addition, the first blade and the second blade can be opened and closed at the same time by the rotation of the middle plate.

Second, by mounting a magnet on the blade, the opening can be completely closed, thereby completely blocking the inflow of foreign matter such as dust through the opening.

Claims (5)

In the mobile phone camera door opening and closing device for opening and closing the mobile phone camera lens, A base having an opening formed thereon and disposed in front of the lens; A driving unit mounted to the base; A blade rotatably mounted to the base to open and close the opening; It is made to include a middle plate which is mounted on the top or bottom of the blade to rotate, The middle plate is rotated by the operation of the drive unit, the blade is rotated by the rotation of the middle plate to open and close the opening, The driving unit mobile phone camera door opening and closing device, characterized in that for rotating the middle plate by a magnetic force. The method of claim 1, The drive unit is formed in the power transmission shaft is a rotational movement is eccentric with respect to the opening from the base, The middle plate is a mobile phone camera door opening and closing device is characterized in that the power transmission hole is formed in the arc-shaped power transmission shaft is inserted so as to rotate around the opening by the rotation of the power transmission shaft. The method according to claim 1 or 2, The blade is formed with a guide protrusion in the upward direction, Mobile phone camera door opening and closing device is characterized in that the middle plate is formed with an arc-shaped guide slot for sliding the guide projection is inserted to rotate the blade by the rotation of the middle plate. The method according to claim 1 or 2, Mobile phone camera door opening and closing device, characterized in that the blade is equipped with a magnet. The method according to claim 1 or 2, One of the blade and the base is a magnet is mounted, the other is a camera door opening and closing device, characterized in that the magnet or magnetic material in contact with the magnet is mounted.

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