KR20100128624A - Stand for visual equipment - Google Patents

Stand for visual equipment Download PDF

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Publication number
KR20100128624A
KR20100128624A KR1020090047126A KR20090047126A KR20100128624A KR 20100128624 A KR20100128624 A KR 20100128624A KR 1020090047126 A KR1020090047126 A KR 1020090047126A KR 20090047126 A KR20090047126 A KR 20090047126A KR 20100128624 A KR20100128624 A KR 20100128624A
Authority
KR
South Korea
Prior art keywords
stand
wire
pulley
body portion
video device
Prior art date
Application number
KR1020090047126A
Other languages
Korean (ko)
Inventor
권오관
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020090047126A priority Critical patent/KR20100128624A/en
Publication of KR20100128624A publication Critical patent/KR20100128624A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/655—Construction or mounting of chassis, e.g. for varying the elevation of the tube
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor

Abstract

The present invention relates to a stand for a video device. In the present invention, the driving force of the drive motor is transmitted by the wire to move the moving body up and down to adjust the height of the image device. Therefore, according to the present invention, there is an advantage that the position of the video device can be adjusted more accurately.

Description

Stand for visual equipment {Stand for visual equipment}

The present invention relates to a video device, and more particularly to a stand for a video device for adjusting the angle of the video device.

The video device includes a video display device for displaying a video signal to the outside and a video input device for receiving a video signal. The video apparatus is supported by a stand for adjusting the position according to the relative position with the user.

It is an object of the present invention to provide a stand for an imaging apparatus, which is configured to more accurately adjust the position of the imaging apparatus.

According to an embodiment of the present invention for achieving the above object, the stand for a video device, the base portion; A fixed body part installed at the base part; A movable body unit which is installed to be movable in the longitudinal direction of the fixed body unit and in which an image device is installed; A drive motor providing a driving force for the movement of the moving body portion; And a driving force transmitting member including a wire for transmitting the driving force of the driving motor to the moving body portion. It includes.

According to another embodiment of the present invention, a stand for a video device includes: a base part; A fixed body part installed at the base part; A movable body unit which is installed to be movable in the vertical direction in the fixed body unit and in which an image device is installed; A drive motor providing a driving force for the movement of the moving body portion; A main pulley rotating by the driving motor; Wires wound at opposite ends of the main pulley in opposite directions; A driven pulley supported on one side of the wire; And a plurality of gears for transmitting a driving force of the driving motor to the main pulley. It includes.

According to the present invention, there is an advantage that the position of the video device can be adjusted more accurately.

Hereinafter, a first embodiment of a stand for an imaging apparatus according to the present invention will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing a first embodiment of a stand for an imaging apparatus according to the present invention.

Referring to FIG. 1, the imaging device 1 is supported by the stand 10. To this end, as the image device 1, an image output device for outputting an image such as a monitor or an image input device such as a CCTV may be used.

On the other hand, the stand 10 supports the video device 1 so that its position can be adjusted. To this end, the stand 10 includes a base 11, a fixed body 13, and a moving body 15.

More specifically, the base portion 11 is supported on a predetermined position, for example, the upper surface of the desk or table. The base portion 11 has an area equal to or larger than the area set so as not to be conducted by at least the load of the video device 1.

In addition, the base part 11 is provided with a main switch 17. The main switch 17 receives an operation signal for the movement of the movable body unit 15 with respect to the fixed body unit 13. In more detail, the main switch 17 is the forward and reverse rotation of the drive motor 21 (to be described later) that provides a driving force for moving upward or downward of the moving body portion 15, and Receive an operation signal for stopping.

The fixed body portion 13 is provided on the upper surface of the base portion 11. In the present embodiment, the fixed body portion 13 is installed to extend upwardly from the rear end of the upper surface of the base portion 11. The fixed body portion 13 may be formed in a hollow polyhedron shape having a predetermined length, for example, a flat hexahedral shape in which an upper end thereof is opened. In addition, the fixed body portion 13, the upper end of the base portion 11 can be installed to be rotated forward and backward around the lower end.

The movable body 15 is installed to be movable up and down with respect to the fixed body 13 so that the position of the imaging device 1 can be adjusted. Substantially, the movable body portion 15 may move up and down between positions that are maximumly drawn out of the fixed body portion 13 at positions accommodated at the maximum inside the fixed body portion 13. have. The moving body portion 15 is formed in a hollow polyhedron shape having a predetermined length. For example, the movable body portion 15 may be formed in a flat hexahedral shape in which a lower end thereof is opened, similarly to the fixed body portion 13. In addition, the image device 1 is coupled to one side of the mobile body 15. In this case, the image device 1 may be rotatably coupled to the movable body 15 about an axis in a horizontal direction.

On the other hand, the moving body 15 is moved up and down by the driving force of the drive motor 21. Hereinafter, with reference to the accompanying drawings the configuration of the drive unit for providing a driving force for the movement of the mobile body 15 will be described in more detail.

2 is a perspective view showing the main part of a first embodiment of a stand for an imaging apparatus according to the present invention, Figure 3 is an enlarged perspective view of the drive unit constituting the first embodiment of the present invention.

2 and 3, the first and second brackets 14 and 16 are provided inside the fixed body 13 and the moving body 15, respectively. The first and second brackets 14 and 16 are respectively the fixed body 13 and the moving body (not to interfere with the movement of the movable body 15 relative to the fixed body 13). 15) is provided inside. The first and second brackets 14 and 16 also play a role of guiding the movement of the movable body 15 relative to the fixed body 13 by either sliding along the other one. Done. In this embodiment, the guide ribs 14A are provided at both end portions of the first bracket 14, and the second bracket 16 slides up and down in a state of being inserted into the guide ribs 14A.

The first and second brackets 14 and 16 are not essential driving elements of the present invention. In other words, the first and second brackets 14 and 16 guide the movement of the movable body portion 15 relative to the fixed body portion 13 or guide the movement of the movable body portion 15. It is for the installation of components constituting the drive unit to be described later for providing a driving force for. Accordingly, the first and second brackets 14 and 16 are deleted, and the movement of the movable body portion 15 relative to the fixed body portion 13 is caused by the fixed body portion 13 and the movable body portion 15. Are guided by abutting each other, and the components constituting the drive unit may be directly installed in the fixed body portion 13 or the moving body portion 15.

The drive unit includes a drive motor 21, a driving pulley 23, a driven pulley 25, a wire 27, and a connection member 29. The drive motor 21 provides a driving force for the shangdong of the mobile body (15). The main pulley 23, the driven pulley 25, the connecting portion 29 and the wire 27 transmit the driving force of the driving motor 21 to the moving body 15.

More specifically, the drive motor 21 is installed inside the fixed body portion 13. The drive motor 21 is provided with a drive shaft 22. Hereinafter, for convenience of description, the driving direction of the driving motor 21 for moving the moving body 15 upward is referred to as a forward direction and the opposite direction as a reverse direction. The drive motor 21 is driven or stopped in the forward or reverse direction according to the operation signal input by the main switch 17 (see FIG. 1).

The main pulley 23 is rotated by the drive of the drive motor 21. To this end, the primary pulley 23 is fixed to the drive shaft 22. Therefore, the main pulley 23 will rotate in the same direction when the drive motor 21 is driven in the forward or reverse direction.

The driven pulley 25 rotates in dependence on the rotation of the main pulley 23 by the pulley motion of the wire 27. To this end, the driven pulley 25 is rotatably installed on the pulley rotation shaft 24 provided in the first bracket 14.

Meanwhile, both ends of the wire 27 are fixed to the main pulley 23. At this time, both ends of the wire 27 is fixed to the main pulley 23 in a state in which the main winding pulley 23 is wound a plurality of times in opposite directions. In addition, one side of the wire 27 is supported by a portion of the driven pulley 25. Therefore, when the coarse pulley 23 is rotated by driving the drive motor 21, both ends of the wire 27 is unwound from the coarse pulley 23 while being wound on the coarse pulley 23. , The wire 27 is pulley movement around the driven pulley (25).

As the wire 27 is supported by the driven pulley 25 in this manner, the wire 27 is double stranded. Hereinafter, for convenience of description, the strand on the left side in the drawing of the wire 27 is the first strand 27A and the strand on the right side in the drawing of the wire 27 is centered on the driven pulley 25 in FIG. 2. It is called strand 27B. In the present embodiment, when the driving motor 21 is driven in the forward or reverse direction and the main pulley 23 rotates in the forward or reverse direction, the wire 27 in FIG. 2 around the driven pulley 25. Make a pulley movement clockwise or counterclockwise on the drawing. Accordingly, the first strand 27A of the wire 27 is released from the main pulley 23, and the second strand 27B of the wire 27 is wound around the main pulley 23.

The connecting member 29 serves to move the movable body portion 15 relative to the fixed body portion 13 in conjunction with the pulley movement of the wire 27. To this end, the connecting member 29 is fixed to the first strand 27A of the wire 27 in a state of being fixed to the second bracket 16. In other words, the connecting member 29 may be said to connect the moving body 15 and the wire 27.

Meanwhile, first and second limit switches 31 and 33 are provided to control the moving range of the mobile body 15. In the first and second limit switches 31 and 33, the movable body 15 is moved upwards or downwards to the maximum position of the first and second limit switches 31, 33, or the fixed body 13. The on-operation is carried out at the position accommodated in the maximum of 13 to stop the drive motor 21. In this embodiment, the first and second limit switches 31 and 33 are turned on by the connecting member 29. To this end, the first and second limit switches 31 and 33 are respectively fixed to the first bracket 14.

In addition, a weight (35) is provided to prevent the moving body (15) from moving upward due to the weight of the imaging device (1). The weight 35 is fixed to the second strand 27B of the wire 27. The weight of the weight 35 may be determined in consideration of the weight of the imaging apparatus 1.

In addition, the first bracket 14 is provided with two wire guides (37). The wire guide 37 is for guiding the pulley movement of the wire 27. To this end, the wire guide 37 is provided with a wire seating groove 37A on which the first and second strands 27A, 27B of the wire 27 are respectively seated. The wire guide 37 is rotatably installed on the guide rotation shaft 36.

Hereinafter will be described in more detail with reference to the accompanying drawings the operation of the first embodiment of the stand for an imaging apparatus according to the present invention.

First, in order to position the video device 1 above the current height, an operation signal for moving the moving body unit 15 upward by operating the main switch 17 is input. Accordingly, the drive motor 21 rotates in the forward direction, and the main pulley 23 fixed to the drive shaft 22 also rotates in the forward direction.

When the main pulley 23 rotates in the forward direction, the wire 27 wound around the main pulley 23 performs a pulley movement clockwise in FIG. 2 about the driven pulley 25. More specifically, the first strand 27A of the wire 27 is released from the main pulley 23, and the second strand 27B of the wire 27 is wound around the main pulley 23. . Therefore, the moving body 15 connected to the first strand 27A of the wire 27 by the connecting member 29 moves upward. In addition, the weight 35 fixed to the second strand 27B of the wire 27 moves in a direction opposite to the moving direction of the moving body 15, that is, downward in the drawing in FIG. 2.

On the other hand, the upward movement of the moving body 15, the main switch 17 receives an operation signal for stopping the moving body 15, or the first limit switch 31 is connected to the connection member ( 29) until on is operated. When the main switch 17 receives an operation signal for stopping the moving body unit 15 or when the first limit switch 31 is turned on, the driving motor 21 is stopped, whereby the imaging device is stopped. (1) is maintained above the initial height.

Next, in order to position the imaging device 1 below the current height, the main switch 17 is operated to input an operation signal for moving the moving body unit 15 downward. Therefore, the drive motor 21 rotates in the reverse direction, and the main pulley 23 also rotates in the reverse direction.

The first strand 27A of the wire 27 is wound around the main pulley 23, and the second strand 27B of the wire 27 is unwound from the main pulley 23. Therefore, the moving body portion 15 moves downward, and the weight 35 moves upward.

The downward movement of the movable body 15 is such that the main switch 17 receives an operation signal for stopping the movable body 15 or the second limit switch 33 is connected to the connecting member. It continues until it is turned on by (29). When the main switch 17 receives an operation signal for stopping the moving body 15 or the second limit switch 33 is turned on by the connecting member 29, the driving motor 21. ) Is stopped. Therefore, the imaging device 1 maintains a state located below the initial height.

Hereinafter, a second embodiment of a stand for an imaging apparatus according to the present invention will be described in more detail with reference to the accompanying drawings.

4 is a perspective view showing a main part of a second embodiment of a stand for an imaging apparatus according to the present invention, and FIG. 5 is an enlarged perspective view of a driving unit constituting the second embodiment of the present invention. The same components as those of the first embodiment of the present invention described above among the components of the present embodiment will be omitted by the reference numerals of FIGS. 1 to 3.

4 and 5, in this embodiment, the driving force of the drive motor 21 having the drive shaft 22 is decelerated by a plurality of gears and transmitted to the main pulley 23. In addition, a clutch unit 70 for selectively transmitting the driving force between the gears is provided.

More specifically, the gear rotation shaft 53 is provided inside the fixed body portion 13. Both ends of the gear rotating shaft 53 are fixed to the first bracket 14 so as to be parallel to the driving shaft 22 of the driving motor 21. The drive shaft 22 and the gear rotation shaft 53 are provided with a main gear 55 and first to sixth driven gears 57, 59, 61, 63, 65, 67.

In more detail, the main gear 55 is fixed to the drive shaft 22 so that the drive shaft 22 rotates in the same direction at the same time. The first driven gear 57 is rotatably installed about the gear rotation shaft 53. The first driven gear 57 is gear-coupled with the main gear 55. The second driven gear 59 is rotatably installed around the drive shaft 22 and gear-coupled to the first driven gear 57. In addition, the third driven gear 61 is rotatably installed around the gear rotation shaft 53 and gear-coupled with the second driven gear 59. The fourth driven gear 63 is rotatably installed around the drive shaft 22 and is gear-coupled to the third driven gear 61. In addition, the fifth driven gear 65 is rotatably installed around the drive shaft 22. The fifth driven gear 65 receives the driving force from the fourth driven gear 63 by the clutch unit 70. The sixth driven gear 67 is rotatably installed around the gear rotation shaft 53 and gear-coupled with the fifth driven gear 65. The main gear 55 and the first to sixth driven gears 57, 59, 61, 63, 65, 67 are different gear ratios so as to increase torque of the driving motor 21. It is preferable to have.

Meanwhile, the main pulley 23 is rotatably installed around the gear rotation shaft 53. The main pulley 23 receives the driving force from the sixth driven gear 67. For example, the main pulley 23 may be integrally formed with the sixth driven gear 67 so that the sixth driven gear 67 rotates, thereby rotating about the gear rotation shaft 53.

In addition, the clutch unit 70 is located between the fourth and fifth driven gears 65. The clutch unit 70 includes first and second cam portions 71 and 73 and an elastic member 75. The first and second cam portions 71 and 73 are fixed to one end of the fourth and fifth driven gears 65 adjacent to each other. The first and second cam portions 71 and 73 are provided with cam surfaces 72 and 74 each having a shape to be joined. The first and second cam portions 71 and 73 are integrally operated with the fourth and fifth driven gears 65, respectively. The elastic member 75 may have an elastic force in a direction in which the cam surfaces 72 and 74 of the first and second cam portions 71 and 73 are in close contact with each other. It transfers to the fifth driven gear (65). Both ends of the elastic member 75 are in close contact with inner surfaces of the fifth driven gear 65 and the fixed body 13 in the state surrounding the drive shaft 22. And the clutch unit 70 further includes an adjustment knob 77 that can adjust the elastic force of the elastic member 75. The adjusting knob 77 selectively presses the elastic member 75 to adjust the elastic force of the elastic member 75. For example, the adjustment knob 77 is screwed to one side of the fixed body portion 13, it is possible to adjust the elastic force of the elastic member 75 by tightening or loosening the control knob 77.

Hereinafter, the operation of the second embodiment of the stand for an imaging apparatus according to the present invention will be described in more detail.

First, an operation for positioning the imaging device 1 upward or downward is similar to the first embodiment of the present invention described above. However, in this embodiment, the driving force of the drive motor 21 is driven by the main gear 55 and the first to sixth driven gears 57, 59, 61, 63, 65, 67. The torque is increased by the main gear 55 and the first to sixth driven gears 57, 59, 61, 63, 65, 67 in the process of being transmitted to 23.

In addition, in the present embodiment, when the video device 1 or the moving body 15 is moved up and down by an external force while the driving motor 21 is stopped, the clutch unit 80 may be used. The transfer of the load to the drive motor 21 is prevented. This is because, in the process of driving the drive motor 21 in the forward or reverse direction, the imaging device 1 or the moving body unit 15 is stopped or the imaging device 1 or the moving body unit is moved downward or upward by an external force. The same applies when moving. Therefore, the phenomenon in which the driving motor 21 is damaged by an external force can be prevented.

Within the scope of the basic technical spirit of the present invention as well as many other modifications are possible to those skilled in the art, the scope of the present invention should be interpreted based on the appended claims. .

In the first embodiment of the present invention described above, the driving force of the drive motor is described as being directly transmitted to the driving pulley, the driving force of the drive motor may be applied to the driving pulley by a plurality of gears.

In addition, in the second embodiment of the present invention, the gear for transmitting the driving force of the drive motor to the main pulley includes the main gear and the first to sixth driven gear, but is not necessarily limited thereto. That is, the number of gears may be determined to be more or less.

According to the stand for video equipment according to the present invention configured as described above, the following effects can be expected.

First, in the present invention, the driving force of the drive motor is transmitted by the rope to adjust the height of the imaging device. Therefore, the height adjustment of the imaging device can be made more accurately.

In addition, in the present invention, the phenomenon that the overload occurs in the drive motor by the clutch is prevented. Therefore, the damage of the drive motor is prevented, thereby increasing the reliability of the product.

1 is a perspective view showing a first embodiment of a stand for a video device according to the present invention.

Figure 2 is a perspective view showing the main part of a first embodiment of a stand for a video apparatus according to the present invention.

Figure 3 is an enlarged perspective view of the drive unit constituting the first embodiment of the present invention.

Figure 4 is a perspective view showing the main part of a second embodiment of a stand for a video apparatus according to the present invention.

Figure 5 is an enlarged perspective view of the drive unit constituting the second embodiment of the present invention.

Claims (14)

A base portion; A fixed body part installed at the base part; A movable body unit which is installed to be movable in the longitudinal direction of the fixed body unit and in which an image device is installed; A drive motor providing a driving force for the movement of the moving body portion; And A driving force transmitting member including a wire for transmitting a driving force of the driving motor to the moving body portion; Stand for a video device comprising a. The method of claim 1, The driving force transmission member, Both ends of the wire is wound in opposite directions, the main pulley to rotate by the drive motor; A driven pulley on which one side of the wire is supported; And A connection member connecting the movable body and the wire; Including, When the main pulley is rotated by the drive of the drive motor, the wire is a pulley movement around the driven pulley to move the moving body portion in the longitudinal direction of the fixed body portion. The method of claim 1, The movable body portion, the stand for the video device to move in the longitudinal direction of the fixed body portion by the pulley movement of the wire. The method of claim 1, The fixed body unit is a stand for a video device is installed on the upper end of the base portion to be rotated about a horizontal axis. A base portion; A fixed body part installed at the base part; A movable body unit which is installed to be movable in the vertical direction in the fixed body unit and in which an image device is installed; A drive motor providing a driving force for the movement of the moving body portion; A main pulley rotating by the driving motor; Wires wound at opposite ends of the main pulley in opposite directions; A driven pulley supported on one side of the wire; And A plurality of gears for transmitting the driving force of the drive motor to the main pulley; Stand for a video device comprising a. The method of claim 5, The gear is, A main gear fixed to the drive shaft of the drive motor; And At least one driven gear having a gear ratio different from that of the main gear; Stand for a video device comprising a. The method of claim 5, And a clutch positioned between the gears to selectively transmit the driving force between the gears. The method of claim 5, And a limit switch to stop the driving motor when the moving body portion moves by a predetermined distance in the vertical direction. The method of claim 8, The limit switch is a stand for an imaging device is operated on / off by a connection member for connecting the moving body and the wire. The method of claim 5, The movable body unit, a stand for a video device to be put in and out of the fixed body portion. The method of claim 5, A first bracket to which the driving motor, the main pulley and the gear are installed; And A second bracket on which the driven pulley is installed; Stand for a video device further comprising. The method of claim 5, The clutch is, First and second cam portions provided with cam surfaces having a shape to be joined to each other; And An elastic member for providing an elastic force to one of the first and second cam portions in a direction in which the cam surfaces of the first and second cam portions are in close contact with each other; Stand for a video device comprising a. 13. The method of claim 12, Stand for the imaging device that can adjust the elastic force of the elastic member. 13. The method of claim 12, The elastic force of the elastic member, the stand for the video device is adjusted by the control knob for selectively pressing the elastic member.
KR1020090047126A 2009-05-28 2009-05-28 Stand for visual equipment KR20100128624A (en)

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Application Number Priority Date Filing Date Title
KR1020090047126A KR20100128624A (en) 2009-05-28 2009-05-28 Stand for visual equipment

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Application Number Priority Date Filing Date Title
KR1020090047126A KR20100128624A (en) 2009-05-28 2009-05-28 Stand for visual equipment

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KR20100128624A true KR20100128624A (en) 2010-12-08

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KR1020090047126A KR20100128624A (en) 2009-05-28 2009-05-28 Stand for visual equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102217741B1 (en) 2019-12-26 2021-02-22 주식회사 에스에프에이 Imprinting apparatus for wafer
KR20220010933A (en) 2020-07-20 2022-01-27 주식회사 에스에프에이 Pattern printing apparatus for wafer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102217741B1 (en) 2019-12-26 2021-02-22 주식회사 에스에프에이 Imprinting apparatus for wafer
KR20220010933A (en) 2020-07-20 2022-01-27 주식회사 에스에프에이 Pattern printing apparatus for wafer

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