WO2006034619A1 - Appareil de controle de la qualite pour dispositif d'affichage utilise en tapisserie - Google Patents

Appareil de controle de la qualite pour dispositif d'affichage utilise en tapisserie Download PDF

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Publication number
WO2006034619A1
WO2006034619A1 PCT/CN2005/000952 CN2005000952W WO2006034619A1 WO 2006034619 A1 WO2006034619 A1 WO 2006034619A1 CN 2005000952 W CN2005000952 W CN 2005000952W WO 2006034619 A1 WO2006034619 A1 WO 2006034619A1
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WO
WIPO (PCT)
Prior art keywords
angle
wall
display device
mounted display
bracket
Prior art date
Application number
PCT/CN2005/000952
Other languages
English (en)
French (fr)
Inventor
Huai Wu
Original Assignee
Huai Wu
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 Huai Wu filed Critical Huai Wu
Priority to CA002575347A priority Critical patent/CA2575347A1/en
Priority to EP05759556A priority patent/EP1795949A1/en
Priority to JP2007532747A priority patent/JP4547425B2/ja
Priority to US11/658,800 priority patent/US20090057513A1/en
Priority to AU2005289269A priority patent/AU2005289269A1/en
Publication of WO2006034619A1 publication Critical patent/WO2006034619A1/zh

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Classifications

    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
    • G09F7/20—Means for attaching signs, plates, panels, or boards to a supporting structure for adjustably mounting
    • 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
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • 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
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/041—Balancing means for balancing rotational movement of the head
    • 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
    • F16M2200/00—Details of stands or supports
    • F16M2200/06—Arms
    • F16M2200/061—Scissors arms
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels

Definitions

  • the present invention relates to an angle adjusting device for a wall-mounted device, and more particularly to an angle adjusting device for accurately adjusting a viewing angle of a wall-mounted display device mounted on a wall according to a user's needs within a certain angle adjustment range.
  • an angle adjusting device is generally fixed on the wall, and then the display device is mounted on the angle adjusting device, and the user can adjust the display device as needed during use.
  • Perspective The early angle adjustment device is shown in Chinese patent "Plasma TV Adjustable Wall Mount Bracket" published as CN2589794, including upper and lower beams and left and right fixed longitudinal beams fixed to each other, and the bottom of the fixed longitudinal beam is connected.
  • the other end of the pull rod 0 spoon is connected with the adjusting hole on the fixed longitudinal beam by bolts, and the movable longitudinal beam is provided with a mounting hole.
  • the wall mount bracket described in the above patent can tilt the TV by a certain angle, but the tilt angle can only be determined according to the hole position of the adjustment hole on the fixed beam, and cannot be precisely adjusted according to the user's needs; and the wall mount bracket must adjust the angle when necessary First remove the TV, then position the lever to the desired adjustment hole, adjust and then hang the TV. Since the plasma TV is generally bulky, there are various connecting lines at the rear, which is very inconvenient to disassemble.
  • the Chinese patent application "Ceiling display device for wall-mounted display” disclosed in CN1389753 The disclosed angle control device consisting of a guide frame, a clamping bracket, an adjustment connection transmission rod, an angle adjustment rod and an angle adjustment manual rod, and the gear connecting the transmission rod and the angle adjustment rod mesh with each other, and is adjusted by the angle adjustment manual rod Force control adjustment angle; as shown in Figure 2, the Chinese patent application with the nickname CN1389658 is used to adjust the angle of the display device
  • the angle adjusting device disclosed in the device and the connecting bracket thereof is provided with a folding device between the fixing device of the wall surface and the connecting device of the display device, and the angle of the folding leaf is adjusted and folded to achieve the adjustment display.
  • the purpose of the angle of the device can precisely adjust the angle of the display device, there are the following deficiencies in use:
  • the structure is complex, the cost is high, and the applicable surface is narrow;
  • An object of the present invention is to provide an angle adjusting device for a wall-mounted display device having a simple structure, which can directly apply an external force to a wall-mounted display device without disassembling the wall-mounted display device, and accurately adjust the wall-mounted display device according to user needs. angle.
  • the present invention comprises a fixing bracket mounted on a wall or a support frame, a device fixing bracket mounted on the back of the wall-mounted display device, and the fixing bracket is rotatably connected with the lower end of the device fixing frame; one end of the angle continuous adjusting device is fixed
  • the bracket is rotatably connected, and the other end is rotatably connected with the device holder, and has a set rotation resistance torque;
  • the balance tension spring has one end connected to the fixing bracket and the other end connected to the device fixing bracket.
  • the angle adjusting device of the wall-mounted display device and the wall-mounted display device fixed thereon are at an oblique angle, with the figure (3) 22 as a fulcrum, the angle adjusting device of the wall-mounted display device and the wall-mounted display
  • the heavy moment of the device, the pulling moment of the balance tension spring, and the rotational resistance torque of the angle fixing device to the device holder are in a static equilibrium state, when the external force applied to the solid is greater than the stress required to break the static equilibrium state, The angle of the wall-mounted display can be adjusted.
  • the magnitude of the stress can be adjusted according to the weight of the wall-mounted display device, by adjusting the rotational resistance torque of the angle continuous adjusting device and the elastic coefficient of the balance tension spring and the starting length of the spring, and selecting the desired adjustment force range suitable for the user. to make sure. Since the tension of the balance tension spring can greatly offset the horizontal outward pulling force generated by the gravity of the wall-mounted display device, the magnitude of the required force when adjusting the angle is inconsistent when pushing or pulling. In this way, it is only necessary to directly apply a small force to the wall-mounted display device or the angle adjusting device, so that the angle of the wall-mounted display device can be accurately adjusted according to the needs of the rear user without disassembling the wall-mounted display device.
  • the angle continuous adjusting device comprises two connecting rods and a hinge assembly, one end of the connecting rod is hinged by a hinge assembly, the other end of one connecting rod is rotatably connected with the fixing bracket, and the other end of the other connecting rod and the device
  • the fixed frame is rotatably connected, and the hinge assembly has a set rotational resistance torque.
  • the balance tension spring substantially offsets the weight of the wall-mounted display device, and the rotational resistance torque of the hinge assembly causes the link to not rotate.
  • the hinge assembly may include a bolt, a washer, a resilient washer, and a nut that form a rotational resistance torque by the frictional resistance of the above components.
  • the rotational resistance torque of the angle continuous adjusting device and the elastic force coefficient of the balance tension spring of the present invention are adjusted according to the weight of the wall-mounted display device; and the angle continuous adjusting device may be plural, and the balance tension spring is one; or the angle There are one continuous adjustment device, and a plurality of balance tension springs; or a plurality of angle continuous adjustment devices, and a plurality of balance tension springs.
  • the present invention has the following advantages over existing devices:
  • the manual adjustment angle of the user directly on the wall-mounted display device can be realized. Even if the self-weight of the wall-mounted display device is heavy, the external force required to be applied is small;
  • the angle continuous adjusting device and the balance tension spring can be hidden in the groove of the fixing bracket and the device fixing frame, and the overall thickness can be made thin and the appearance is beautiful.
  • Figure 2 is a view showing the structure disclosed in Chinese Patent Application No. CN1389658, "A device for adjusting the angle of a display device, and a joint bracket thereof";
  • Figure 3 is a schematic side view showing the structure of the present invention when opened
  • Figure 4 is a schematic structural view of the present invention when closed
  • Figure 5 is an exploded perspective view of the link and hinge assembly of the present invention.
  • the present invention comprises a fixing bracket 1, a device fixing frame 2, an angle continuous adjusting device 3 and a balance tension spring 4.
  • the fixing bracket 1 is mounted on the support 5, the device fixing bracket 2 is mounted on the back surface of the wall-mounted display device 6, and the fixing bracket 1 is rotatably connected to the lower end of the device fixing frame 2; one end of the angle continuous adjusting device 3 and one end of the fixing bracket 1 are rotated The other end is rotatably connected to one end of the device holder 2, which can restrict the rotation of the device holder 2; one end of the balance tension spring 4 is connected to the fixing bracket 1 and the other end is connected to the device holder 2.
  • the back surface of the fixing bracket 1 is formed with a hook 11, which can be hooked on the support frame 5 fixed to the wall 8 by the expansion screw 7, and the fixing bracket 1 can also be directly fixed to the wall 8.
  • the device holder 2 is mounted and fixed to the back surface of the wall-mounted display device 6 (e.g., a plasma display panel TV, a liquid crystal display television, etc.) by a fixing screw 21, and the lower end thereof is connected to the fixing bracket 1 by a pin 22, and is rotatable around the pin 22.
  • the wall-mounted display device 6 e.g., a plasma display panel TV, a liquid crystal display television, etc.
  • the angle continuous adjustment device 3 includes two links 31, 32 which are hinged by a hinge assembly 33 and whose other ends are rotatably coupled to the fixed bracket 1 and the device holder 2 via shafts 34, 35, respectively.
  • the hinge assembly 33 includes a bolt 331, a washer 332, a resilient washer 333 and a nut 334, which are sequentially mounted with the links 31, 32, and the links 31, 32 can be hinged around the hinge assembly 33.
  • the rotational resistance torque of the hinge assembly 33 can be adjusted by adjusting the tightening of the nut 334, the number of the elastic spacers 333, and the parameters of the elastic coefficient (currently, the electronic display industry in the world generally refers to this structure as Hinge).
  • a Hinge with a suitable rotational resistance torque should be used.
  • One end of the balance tension spring 4 is connected to the fixing bracket 1 and the other end is connected with the device fixing frame 2, and the pulling force generated by the same can substantially offset the horizontal outward pulling force generated by the gravity of the wall-mounted display device 6, so that the angle required for adjusting the angle is required.
  • the external force is basically the same size when pushed or pulled.
  • a balanced tension spring 4 with an adapted spring force factor and initial length should be used.
  • the relative position of the angle continuous adjustment device 3 and the balance tension spring 4 can be varied according to the requirements of the application, such as the balance tension spring 4 being on, the angle continuous adjustment device 3 being below or at the same horizontal position.
  • the balance relationship of the above three stresses may generate different stresses required to break the static equilibrium state, and the angle of the wall-mounted display device 6 can be adjusted when the external force applied to the device is greater than the stress; At the same time, due to the existence of the minimum stress necessary to adjust the angle, when the user adjusts the angle, the adjusted angle can be maintained for a long time.
  • the magnitude of the stress can be selected according to the weight of the wall-mounted display device 6, by adjusting the rotational resistance torque of the angle continuous adjusting device 3 and the elastic force coefficient and the starting length of the balance tension spring 4, and selecting the most suitable adjustment force for the user. The scope is determined.
  • the present invention can set the maximum opening angle, usually around 20°.
  • the angle continuous adjusting device and the balance tension spring of the present invention can be hidden in the grooves of the fixed bracket and the device fixing frame, and the overall thickness can be made thinner and the appearance is beautiful.
  • the fixed bracket 1 and the device mount 2 can adopt a whole piece structure, a frame structure or a beam and a rod structure according to the cost.
  • the number of the angle continuous adjusting device 3 and the balance tension spring 4 can also be increased or decreased as needed.
  • a plurality of angle continuous adjustment devices 3 are provided with a single balance tension spring 4, or a plurality of balance tension springs 4 are provided with a single angle continuous adjustment device 3, or a plurality of balance tension springs are provided with 4 or more angle continuous adjustment devices 3.
  • the support frame 5 is first fixed on the wall 8, the device holder 2 is fixed on the back surface of the wall-mounted display device 6, and the wall-mounted display device 6 and the angle adjusting device are hooked together by the hooks 11 on the back of the fixing bracket 1.
  • the corresponding adjustment force is directly applied to the angle adjusting device of the wall-mounted display device or the wall-mounted display device, and the angle of view of the wall-mounted display device 6 can be adjusted to the angle required by the user.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
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  • Chemical & Material Sciences (AREA)
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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

壁挂式显示装置的角度调节装置 技术领域
本发明涉及一种壁挂式装置的角度调节装置， 尤其涉及一种在一定角度 调节范围内可根据用户需要， 精确调节安装在墙壁上的壁挂式显示装置的视 角的角度调节装置。
背景技术
随着技术的不断进步， 许多的电器设备被设计成超薄型， 以便于将其贴 挂在墙上， 既不占用空间， 而且美观、 实用。 以目前市场上热销的等离子显 示板电视（PDP( Plasma Display PaneDTV)、液晶显示电视（LCD(Liquid Crystal Display) TV)等高科技薄型壁挂式显示装置为例， 其屏幕尺寸越来越大， 但 是其厚度却越来越薄， 给用户带来前所未有的新享受。
为便于用户长日 t间观赏这些显示装置的图象， 一般先在墙壁上固定一个 角度调节装置， 再^^显示装置安装在角度调节装置上， 在使用时用户可根据 需要来调节该显示装置的视角。 早期的角度调节装置如公开号为 CN2589794 的中国专利《等离子电视可调型壁挂支架》所示， 包括相互固定为一体的上、 下横梁和左、 右固定纵梁， 其固定纵梁的底部连接有活动纵梁， 活动纵梁上 连接有拉杆， 拉杆 0勺另一端通过螺栓与固定纵梁上的调节孔连接， 活动纵梁 上设有安装孔。 上述专利所述的壁挂支架可将电视倾斜一定角度， 但其倾斜 角度只能根据固定 梁上的调节孔的孔位确定， 无法根据用户需要进行精确 调节； 并且该壁挂支架在调节角度时， 必须先卸下电视， 然后再将拉杆定位 所需的调节孔， 调整后再挂上电视， 由于等离子电视一般体积较大， 其后部 还有着各式连接线， 拆卸时十分不便。
后来出现了无需拆卸显示装置， 即可方便地根据用户需要精确调节显示 装置角度的角度调节装置， 如图 1所示， 公开号为 CN1389753的中国专利申 请《壁挂式显示器的角度控制装置》 中所公开的由导架、 夹持托架、 调整连 接传输杆、 角度调整杆与角度调整手动杆组成的角度控制装置， 其连接传输 杆与角度调整杆的齿轮相互啮合， 由角度调整手动杆施以外力控制调节角度； 如图 2所示， 公幵号为 CN1389658的中国专利申请《用于调节显示装置角度 的装置及其连结支架》 中所公开的角度调节装置， 其通过在墙面的固定装置 与显示装置的连接装置间增设一个折叶装置， 利用调节折叶展开和折叠白勺角 度来达到调节显示装置的角度的目的。 上述两种专利虽可精确调节显示装置 的角度， 但在使用时存在着以下不足：
1、 由于显示装置的自身重量较重， 必须通过一个接受外力的手动杆 >得所 施加外力转化为较大的调节应力， 才能达到手调的目的；
2、 其结构复杂， 成本较高， 适用面较窄；
3、 其整体厚度较大， 与目前显示装置日趋薄型化的趋势不附。
发明内容
本发明的目的在于提供一种结构简单的壁挂式显示装置的角度调 装 置， 其无需拆卸壁挂式显示装置， 就可直接施加外力在壁挂式显示装置上， 根据用户需要精确调节壁挂式显示装置的角度。
为实现上述目的， 本发明包括安装于墙壁或支撑架上的固定支架、 安装 于壁挂式显示装置背面的装置固定架， 固定支架与装置固定架的下端转动连 接； 角度连续调节装置的一端与固定支架转动连接， 另一端与装置固定架转 动连接， 其有一设定的转动阻力矩； 平衡拉力弹簧， 一端与固定支架连接， 另一端与装置固定架连接。
当采用上述装置后， 该壁挂式显示装置的角度调节装置与固定其上的壁 挂式显示装置在倾斜角度时， 以图 （3 ) 22 为支点， 壁挂式显示装置的角度 调节装置与壁挂式显示装置的重力矩、 平衡拉力弹簧的拉力矩、 角度连续调 节装置对装置固定架的转动阻力矩三者处于静止平衡状态， 当施加于实上的 外力大于破坏该静止平衡状态所需的应力时， 即可调节壁挂式显示装¾的角 度。 该应力的大小可根据壁挂式显示装置的重量的大小， 通过调整角度连续 调节装置的转动阻力矩与平衡拉力弹簧的弹力系数和弹簧起始长度， 逛择最 适合使用者的所需调节力范围来确定。 由于平衡拉力弹簧的拉力可大 抵消 壁挂式显示装置重力所产生的水平向外拉力， 使得调节角度时所需的夕卜力在 推或拉时的大小基不一致。 这样， 仅需对壁挂式显示装置或角度调节装置直 接施加一个不大的作用力， 就可实现无需拆卸壁挂式显示装置而根据后户需 要精确调节壁挂式显示装置的角度。 在使用时， 该角度连续调节装置包括两根连杆和铰接组件， 该连杆一端 通过铰接组件铰接， 一根连杆的另一端与固定支架转动连接， 另一根连杆的 另一端与装置固定架转动连接， 铰接组件有一设定的转动阻力矩。 在平时， 平衡拉力弹簧大致抵消了壁挂式显示装置的重量， 铰接组件的转动阻力矩使 得连杆不发生转动。 该铰接组件可包括螺栓、 垫片、 弹性垫片和螺母， 由以 上部件的摩擦阻力形成转动阻力矩。
根据实际情况， 本发明的角度连续调节装置的转动阻力矩和平衡拉力弹 簧的弹力系数随壁挂式显示装置的重量调整； 并且角度连续调节装置可为多 个， 平衡拉力弹簧为 1个； 或者角度连续调节装置为 1个， 平衡拉力弹簧为 多个； 或者角度连续调节装置为多个， 平衡拉力弹簧为多个。
总之， 与现有装置相比， 本发明具有以下优点：
1、可实现用户个人直接在壁挂式显示装置上的手动调节角度， 即使壁挂 式显示装置的自重较重， 所需施加的外力也很小；
2、 结构简单， 成本较低， 适用面较广， 可广泛用于等离子显示板电视、 液晶显示电视等较重的高端电子产品上， 也可用于大型广告牌、 大型看板等 大型展示板上；
3、角度连续调节装置与平衡拉力弹簧可隐藏于固定支架与装置固定架的 凹槽内， 整体厚度可制成较薄， 外形美观。
附图说明
以下结合附图对本发明做进一步的详述：
图 1是公幵号为 CN1389753的中国专利申请《壁挂式显示器的角度控制 装置》所公开的结构；
图 2是公开号为 CN1389658的中国专利申请《用于调节显示装置角度的 装置及其连结支架》 所公开的结构；
图 3是本发明打开时的侧面结构示意图；
图 4是本发明闭合时的结构示意图；
图 5是本发明的连杆及铰接组件的立体分解图。
具体实施方式
下面结合附图和具体实施例对本发明作进一步的详细说明。 请参阅图 3、 图 4所示， 本发明包括固定支架 1、 装置固定架 2、 角度连 续调节装置 3和平衡拉力弹簧 4。 固定支架 1安装于支撑 5上， 装置固定 架 2安装于壁挂式显示装置 6的背面， 固定支架 1与装置固定架 2的下端转 动连接； 角度连续调节装置 3的一端与固定支架 1的一端转动连接， 另一端 与装置固定架 2的一端转动连接， 其可限制装置固定架 2转动； 平衡拉力弹 簧 4的一端与固定支架 1连接， 另一端与装置固定架 2连接。
在具体实施时， 固定支架 1的背面形成挂钩 11， 可钩挂于通过膨胀螺钉 7固定于墙壁 8上的支撑架 5上； 固定支架 1也可直接固定于墙壁 8上。
装置固定架 2通过固定螺钉 21安装固定于壁挂式显示装置 6 (如等离子 显示板电视、 液晶显示电视等）的背面， 其下端通过销钉 22与固定支架 1连 接， 并可绕销钉 22转动。
角度连续调节装置 3包括两根连杆 31、 32， 该连杆 31、 32—端通过铰 接组件 33铰接， 另一端分别通过转轴 34、 35与固定支架 1和装置固定架 2 转动连接。如图' 5所示， 铰接组件 33包括螺栓 331、垫片 332、弹性垫片 333 和螺母 334， 依序与连杆 31、 32安装在一起， 连杆 31、 32可绕铰接组件 33 的铰接点旋转， 铰接组件 33的转动阻力矩可通过调节螺母 334的松紧， 弹性 垫片 333的数量和弹力系数的参数进行调节 （目前国际上电子显示行业常通 称此种结构为 Hinge)。 根据壁挂式显示装置 6的重量的不同， 应采用具有相 适配的转动阻力矩的 Hinge。
平衡拉力弹簧 4的一端与固定支架 1连接，另一端与装置固定架 2连接， 其所产生的拉力可大致抵消壁挂式显示装置 6重力所产生的水平向外拉力， 使得调节角度时所需的外力在推或拉时的大小基本一致。 根据壁挂式显示装 置 6的重量的不同， 应选用相适配的弹力系数和起始长度的平衡拉力弹簧 4。
角度连续调节装置 3和平衡拉力弹簧 4的相对位置可根据应用者的要求 进行变化， 如平衡拉力弹簧 4在上， 角度连续调节装置 3在下或在同一水平 位置。
该壁挂式显示装置的角度调节装置与固定其上的壁挂式显示装置 6在倾 斜角度时， 以图 （3 ) 22 为支点， 壁挂式显示装置的角度调节装置与壁挂式 显示装置 6的重力矩、 平衡拉力弹簧 4的拉力矩、 角度连续调节装置对装置 固定架 2的转动阻力矩三者处于静止平衡状态。 针对不同的倾斜角度， 以上 三种应力的平衡关系会产生不同的破坏该静止平衡状态所需的应力， 当施加 于装置上的外力大于该应力时， 才可调节壁挂式显示装置 6的角度； 同时， 由于这个调节角度所必须的最小应力的存在， 当用户调节好角度后， 可长时 间保持调整好的角度不变。 该应力的大小可根据壁挂式显示装置 6的重量的 大小， 通过调整角度连续调节装置 3的转动阻力矩与平衡拉力弹簧 4的弹力 系数和起始长度， 选择最适合使用者的所需调节力范围来确定。
本发明可设定最大张角， 通常 20° 左右。
如图 4所示本发明的角度连续调节装置与平衡拉力弹簧可隐藏于固定支 架与装置固定架的凹槽内， 整体厚度可制成较薄， 外形美观。
此外， 固定支架 1和装置固定架 2可根据成本的需要， 采用整片的结构、 框架的结构或梁、 杆结构。 角度连续调节装置 3和平衡拉力弹簧 4的个数也 可根据需要增加或减少。 如多个角度连续调节装置 3配单个平衡拉力弹簧 4， 或多个平衡拉力弹簧 4配单个角度连续调节装置 3 ,或多个平衡拉力弹簧配 4 多个角度连续调节装置 3。
在使用时， 先将支撑架 5固定在墙壁 8上， 装置固定架 2固定在壁挂式 显示装置 6的背面，再通过固定支架 1背面的挂钩 11将壁挂式显示装置 6和 角度调节装置一同钩挂于支撑架 5上。 再根据用户需要， 在壁挂式显示装 6 置或壁挂式显示装置的角度调节装置上直接施加相应的调节力， 将壁挂式显 示装置 6的视角调节到用户所需的角度即可。

Claims

1 . 一种壁挂式显示装置的角度调节装置， 其包括安装于墙壁或支撑架上 的固定支架、 安装于壁挂式显示装置背面的装置固定 ^， 固定支架与装置固 定架的下端转动连接， 其特征在于：
角度连续调节装置的一端与固定支架转动连接， 另一端与装置固定架转 动连接， 其有一设定的转动权阻力矩；
另有平衡拉力弹簧， 一端与固定支架连接， 另一端与装置固定架连接。
2. 如权利要求 1所述的壁挂式显示装置的角度调节装置， 其特征在于： 该角度连续调节装置包括两根连杆和铰接组件， 该连杆一端通过铰接组件铰 接， 一根连杆的另一端与固定支架转动连接， 另一根连杆的另一端与装置固 定架转动连接， 铰接组件有一设定的转动阻力矩书。
3. 如权利要求 2所述的壁挂式显示装置的角度调节装置， 其特征在于： 该铰接组件包括螺栓、 垫片、 弹性垫片和螺母。
4. 如权利要求 1或 2所述的壁挂式显示装置的角度调节装置， 其特征在 于： 该角度连续调节装置的转动阻力矩和平衡拉力弹簧的弹力系数随壁挂式 显示装置的重量调整。
5. 如权利要求 1或 2所述的壁挂式显示装置的角度调节装置， 其特征在 于： 该角度连续调节装置为多个， 平衡拉力弹簧为 1个； 或者角度连续调节 装置为 1个， 平衡拉力弹簧为多^ N 或者角度连续调节装置为多个， 平衡拉 力弹簧为多个。
PCT/CN2005/000952 2004-09-29 2005-06-30 Appareil de controle de la qualite pour dispositif d'affichage utilise en tapisserie WO2006034619A1 (fr)

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