WO2019071908A1 - 机身支脚调节机构及电子设备 - Google Patents

机身支脚调节机构及电子设备 Download PDF

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Publication number
WO2019071908A1
WO2019071908A1 PCT/CN2018/077774 CN2018077774W WO2019071908A1 WO 2019071908 A1 WO2019071908 A1 WO 2019071908A1 CN 2018077774 W CN2018077774 W CN 2018077774W WO 2019071908 A1 WO2019071908 A1 WO 2019071908A1
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WO
WIPO (PCT)
Prior art keywords
leg
transmission gear
gear
driving
adjusting mechanism
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/077774
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English (en)
French (fr)
Inventor
程文波
李屹
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Shenzhen Appotronics Corp Ltd
Original Assignee
Appotronics Corp Ltd
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 Appotronics Corp Ltd filed Critical Appotronics Corp Ltd
Publication of WO2019071908A1 publication Critical patent/WO2019071908A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/12Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks

Definitions

  • the present invention relates to an automatic control adjustment system, and more particularly to an electronic device for adjusting an adjustment mechanism and application of a fuselage leg.
  • the smoothness of the machine is adjusted by adjusting the respective legs, or the required inclination is obtained, for example, when the projector is set up, it is required to be according to environmental conditions, the erection position, the position of the projection screen, and the like. Due to these differences in conditions, adjust the position and angle of the projector, and then adjust the height of the projected image, the left and right tilt angle, the front and rear tilt angle, etc., so that the projected image is just projected at the desired position, meets the required size, and has high definition. , in line with user requirements, allowing users to see the most appropriate image. In other machines that need to adjust the smoothness and tilt angle, the smoothness of the overall machine and the angle of the machine can be adjusted by adjusting the height of the feet. technical problem
  • An object of the present invention is to provide a body leg adjustment mechanism that can automatically adjust the height of the leg, save manpower, and adjust the precision, and an electronic device to which the mechanism is applied.
  • the present invention provides a fuselage leg adjusting mechanism for adjusting a fuselage leg
  • the fuselage leg adjusting mechanism includes a driving device and a transmission device
  • the driving device is fixedly connected with the body.
  • the leg is adjustable for movement relative to the body, and the driving device drives the transmission Movement, the movement of the transmission drives the telescoping movement of the leg relative to the body.
  • the body foot adjusting mechanism of the utility model adopts a driving device to perform foot adjustment, which can realize automatic adjustment of the height of the legs, saves manpower, and improves controllability through the controllable precision cooperation between the driving device and the transmission device and the legs. Sex and adjustment accuracy.
  • the transmission device includes a transmission gear
  • the rotation shaft of the transmission gear is fixed relative to the body
  • the driving device drives the transmission gear to rotate
  • the transmission gear cooperates with the leg.
  • the rotation of the transmission gear causes the legs to telescope relative to the fuselage. Transmission through the gear structure improves the accuracy of the foot adjustment.
  • the shaft of the rotating shaft of the transmission gear is hollow and provided with an internal thread
  • the leg passes through the axis of the transmission gear
  • the leg is at least partially provided with an external thread.
  • the internal thread of the transmission gear shaft is matched, and the transmission gear is driven by the driving device.
  • the external thread on the leg may be disposed on the entire leg, or may be provided with an external thread segment that cooperates with the internal thread of the transmission gear according to the range of the foot adjustment.
  • the driving device can drive the transmission gear in various ways.
  • the driving device is a driving motor
  • the transmission device further includes a driving gear, a driving gear and a driving of the driving motor.
  • the shaft connection rotates synchronously, and the drive gear meshes with the transmission gear to drive the transmission gear to rotate.
  • the driving device is a driving motor
  • the driving shaft is provided with an external thread
  • the outer gear teeth of the transmission gear are helical teeth
  • the rotation of the driving shaft passes through
  • the engagement of the external thread with the helical teeth causes the transmission gear to rotate.
  • the axial direction of the drive shaft and the central axis of the transmission gear are parallel or perpendicular to each other.
  • the leg is at least partially provided with a longitudinally disposed rack that cooperates with the teeth of the outer circumference of the transmission gear, the transmission gear Rotating by the driving device, the teeth of the transmission gear cooperate with the racks of the legs, and the driving legs are telescopically moved relative to the body.
  • the rotation axis of the transmission gear is perpendicular to the longitudinal rack of the leg, and the transmission The gear rotation ⁇ gives the driving force of the rack to the telescopic movement of the body through the cooperation of the teeth and the rack.
  • the rack on the leg may be disposed at a longitudinal height of the entire leg, or may be provided with a rack segment that cooperates with the teeth of the transmission gear according to the range of the leg adjustment.
  • the driving device can drive the transmission gear in various manners.
  • the driving device is a driving motor
  • the transmission device further includes a driving gear, a driving gear and a driving of the driving motor.
  • the shaft connection rotates synchronously, and the drive gear meshes with the transmission gear to drive the transmission gear to rotate.
  • the rotation axes of the drive shaft, the drive gear, and the transmission gear are parallel to each other.
  • the driving device is a driving motor
  • the driving shaft is provided with an external thread
  • the outer gear teeth of the transmission gear are helical teeth
  • the rotation of the driving shaft passes through
  • the engagement of the external thread with the helical teeth causes the transmission gear to rotate.
  • the tooth flutes of the racks on the legs are also designed as helical teeth, which cooperate with the helical gear teeth of the transmission gear.
  • the axial direction of the drive shaft and the central axis of the transmission gear are parallel or perpendicular to each other.
  • the leg is at least partially provided with an external thread
  • the outer gear teeth of the transmission gear are helical teeth, and cooperate with the external thread.
  • the transmission gear is driven by a driving device, and the helical gear of the transmission gear cooperates with the external thread of the leg, and the driving leg is telescopically moved relative to the body.
  • the rotating shaft of the transmission gear is parallel or perpendicular to the axial direction of the leg.
  • the external thread on the leg may be disposed on the entire leg, or may be provided with a corresponding external thread segment according to the range of the leg adjustment.
  • the driving device is a driving motor
  • the transmission device further includes a driving gear.
  • the driving gear rotates synchronously with a driving shaft connection of the driving motor, and the driving gear meshes with the transmission gear. Driving the transmission gear to rotate.
  • the outer circumference of the drive gear is a helical tooth that is matched with a helical tooth on the outer circumference of the transmission gear.
  • the driving device is a driving motor
  • the driving shaft is provided with an external thread, and cooperates with the peripheral helical teeth of the transmission gear, and the rotation of the driving shaft passes through The engagement of the external thread with the helical teeth causes the transmission gear to rotate.
  • the body leg adjustment mechanism further includes a limiting frame, and the limiting frame is fixed On the fuselage, the limiting frame is provided with a perforation to allow the leg to pass through, and the limiting frame can be used to define the supporting leg to stabilize the direction of the telescopic movement of the leg. In other embodiments, the limiting frame can also be used to define the The transmission gear makes the transmission gear rotate stably.
  • the present invention also provides an electronic device, including a body, and the above-mentioned body foot adjustment mechanism installed in the body, the driving device of the body leg adjusting mechanism is fixedly connected with the body of the electronic device .
  • the fuselage foot adjusting mechanism of the utility model adopts a driving device to perform foot adjustment, which can realize automatic adjustment of the height of the legs, save manpower, and pass between the driving device, the transmission device and the legs
  • the precise controllability of the control improves the controllability and adjustment accuracy.
  • the electronic device applying the fuselage foot adjusting mechanism of the utility model can adjust the height of the leg as needed, thereby improving the stability, balance and accuracy of the angle control.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention: a body and foot adjustment mechanism;
  • FIG. 2 is a schematic structural view of a second embodiment of the body and foot adjustment mechanism
  • FIG. 3 is a schematic structural view of the third embodiment of the body and foot adjustment mechanism
  • FIG. 4 is a schematic view showing the structure of the fourth embodiment of the body and foot adjustment mechanism
  • FIG. 5 is a schematic view of the first embodiment of the present invention: a body and foot adjustment system
  • FIG. 6 is a schematic view of the second embodiment of the present invention: a body and foot adjustment system
  • FIG. 7 is a schematic view of the third embodiment of the body and foot adjustment system
  • FIG. 8 is a schematic view of the fourth embodiment of the body and foot adjustment system
  • FIG. 9 is a schematic view of the fifth embodiment of the body and foot adjustment system of the present invention.
  • the driving motor 130 is fixed on the housing 110 of the airframe through the motor mounting bracket 111.
  • the mounting bracket 111 can also be fixedly mounted on other load-bearing brackets or components that are fixedly coupled to the fuselage.
  • the drive shaft 131 of the driving motor 130 is provided with an external thread (not labeled), the shaft of the rotating shaft of the transmission gear 140 is hollow and provided with internal threads (not labeled), and the outer peripheral teeth of the transmission gear 140
  • the helical teeth 141 are engaged with the external threads on the drive shaft 131 of the drive motor 130.
  • the leg 120 passes through the axis of the transmission gear 140, and the leg 120 is provided with an external thread to cooperate with the internal thread of the transmission gear 140.
  • the axial direction of the drive shaft 131 of the drive motor 130 is perpendicular to the axial direction of the leg 120 and the transmission gear 140 such that the external thread of the drive shaft 131 cooperates with the helical teeth 141 of the transmission gear 140.
  • the axial direction of the drive shaft 131 may also be parallel to the axial direction of the leg 120 and the transmission gear 140.
  • the external thread of the drive shaft 131 may be designed to match the helical teeth 141 of the transmission gear 140.
  • the motor mount 111 has various embodiments, and any technical solution that can achieve the fixed installation of the drive motor 130 is within the scope of the present application.
  • the rotation shaft of the transmission gear 140 is fixed relative to the housing 110, that is, the transmission gear 140 is fixed relative to the housing 110 in the up, down, left, and right directions, but is rotatable relative to the housing 110.
  • a limiting frame 112 is fixedly mounted on the housing 110. The limiting frame 112 extends over the transmission gear 140 to limit the transmission gear 140, and the limiting frame 112 is provided with a perforation (not labeled). The leg 120 can pass through the perforation to increase the stability of the cooperating motion of the drive gear 140 and the leg 120.
  • the limiting frame 112 can also have other embodiments, such as by two limiting strips spanning the transmission gear 140, the legs 120 passing between the two limiting strips; or disposed on the side above the transmission gear 140
  • the semicircular limiting piece has a semicircular notch on the limiting piece for passing the leg 120, and the like, and the embodiment of the present invention is not limited.
  • the leg 120 can be telescopically adjusted relative to the housing 110. Specifically, the leg 120 is engaged with the internal thread of the transmission gear 140 by its external thread, so that the leg 120 can be telescopically moved relative to the transmission gear 140, since the transmission gear 140 is telescopic with respect to the housing 110.
  • the driving motor 130 drives the transmission gear 140 to rotate
  • the leg 120 and the transmission gear 140 are rotated by a screwing engagement
  • the leg 120 is telescopically moved relative to the transmission gear 140, so that the leg 120 is moved.
  • the housing 110 is telescopically moved.
  • the accuracy of the foot adjustment can be improved.
  • the driving power The external thread design of the drive shaft 131 in the machine 130, as well as the specification of the transmission gear 140 and the design of the helical teeth, can further improve the adjustment accuracy.
  • one or more driven wheels may be disposed between the drive shaft 131 and the transmission gear 140 to further improve adjustment controllability and adjustment accuracy.
  • a limiting piece 121 is disposed at an upper end of the leg 120 to prevent the leg from being loosened downward.
  • the limiting piece 121 has a size larger than a size of the through hole of the limiting frame 112, or larger than the transmission.
  • the dimensions of the hollow structure of the gear 140 axis.
  • the bottom end of the leg 120 is provided with a foot pad 122.
  • the foot pad 122 is a hollow cylinder, and the leg 120 is mounted in the foot pad 122.
  • the external thread on the leg 120 may be disposed on the entire leg, or may be adjusted according to the range of the leg.
  • the driving motor 230 is fixed on the housing 210 of the fuselage by the motor mounting bracket 211, and the driving gear 250 is connected to the driving shaft 231, the driving gear 250 and the driving The shaft 231 rotates synchronously, and the drive gear 250 meshes with the transmission gear 240 to drive the transmission gear 240 to rotate.
  • the outer gear teeth 251 of the drive gear 250 may be straight or helical.
  • the teeth 241 on the outer circumference of the transmission gear 240 are correspondingly straight or helical, and cooperate with the drive gear 250.
  • the drive shaft 231 of the drive motor 230 is axially parallel to the axial direction of the leg 220, and is also vertical to the housing 210.
  • the axial direction of the drive shaft 231 of the drive motor 230 and the axial direction of the legs 220 may also be perpendicular to each other.
  • the outer peripheral teeth 251 of the drive gear 250 and the transmission gear 240 The outer peripheral teeth 241 are each provided with helical teeth that cooperate with each other, and the transmission can also be achieved.
  • the shaft of the rotating shaft of the transmission gear 240 is hollow and provided with an internal thread (not labeled), the leg 220 passes through the axis of the transmission gear 240, and the leg 220 is provided with an external thread (not identified) ), mating with the internal thread of the shaft of the transmission gear 240.
  • the motor mounting bracket 211 has various embodiments, and any technical solution that can achieve the fixed mounting of the driving motor 230 is within the scope of the present application.
  • the rotation shaft of the transmission gear 240 is fixed relative to the housing 210, that is, the transmission gear 240 is fixed relative to the housing 210 in the up, down, left, and right directions, but is rotatable relative to the housing 210.
  • Limited mounting on the housing 210 is limited a position frame 212, the limit frame 212 spans the upper side of the transmission gear 240, and limits the transmission gear 240, and the limiting frame 212 is provided with a perforation (not labeled), further defining the leg 220 telescopic
  • the direction of motion increases the stability of the motion of the transmission gear 240 and the foot 220.
  • the limiting frame 212 can also have other embodiments, such as by two limiting strips spanning the transmission gear 240, the legs 220 passing between the two limiting strips; or disposed on the side above the transmission gear 240
  • the semicircular limiting piece has a semicircular notch on the limiting piece for passing the leg 220, and the like, and the embodiment of the present invention is not limited.
  • the leg 220 can be telescopically adjusted relative to the housing 210. Specifically, the leg 220 can be telescopically moved relative to the transmission gear 2 40 by the engagement of the external thread with the internal thread of the transmission gear 240, since the transmission gear 240 is opposite to the housing 210. In the telescopic direction, the drive motor 230 drives the drive gear 250, and then the drive rotates the transmission gear 240. The leg 220 and the transmission gear 240 are rotated by a threaded engagement, and the legs 220 are relatively driven. The gear 240 is telescopically moved, so that the legs 220 are telescopically moved relative to the housing 210 to achieve adjustment of the legs.
  • the accuracy of the foot adjustment can be improved.
  • the specification of the drive gear 250 and the transmission gear 240, and the design of the gear teeth can further improve the adjustment accuracy.
  • one or more driven wheels may be provided between the drive gear 250 and the transmission gear 240 to further improve adjustment controllability and adjustment accuracy.
  • a limiting piece 221 is disposed at an upper end of the leg 220 to prevent the leg from being loosened downward.
  • the limiting piece 221 has a size larger than a size of the through hole of the limiting frame 212, or larger than the transmission.
  • the bottom end of the leg 220 is provided with a foot pad 222.
  • the foot pad 222 is a hollow cylinder, and the leg 220 is mounted in the foot pad 222.
  • the driving motor 330 is fixed on the housing 310 of the airframe through the motor mounting bracket 311.
  • the motor mounting bracket 311 has various embodiments, as long as it can be realized.
  • the technical solution of the fixed mounting of the driving motor 330 is within the protection scope of the present application.
  • the motor mounting bracket 311 is designed as a mounting plate, and the rotating shaft of the positioning transmission gear 340 can be installed at the same time. It is perpendicular to the axis of the leg.
  • the drive gear 350 meshes with the drive gear 340 to drive the drive gear 340 to rotate.
  • the leg 320 is at least partially provided with a longitudinally disposed rack 321 that cooperates with the teeth 341 on the outer circumference of the transmission gear 340.
  • the rack 321 on the leg 320 can be disposed at the longitudinal height of the entire leg 320. It is also possible to set a certain length according to the range adjusted by the legs 320.
  • the outer gear teeth 351 of the driving gear 350 may be straight teeth or helical teeth.
  • the gear teeth 341 on the outer circumference of the transmission gear 340 are corresponding to straight teeth or helical teeth, and cooperate with the driving gear 350, correspondingly;
  • the rack 321 on the leg 320 may also be a straight or a helical tooth that cooperates with the transmission gear 340.
  • the axial direction of the driving shaft of the driving motor 330 and the axial direction of the legs 320 may also be parallel to each other, perpendicular to the transmission gear 340, the outer gear teeth 351 of the driving gear 350, and the transmission
  • the teeth 341 on the outer circumference of the gear 340 and the rack 321 on the legs 320 are each provided as helical teeth that are coupled to each other.
  • the driving gear 350 is driven by the driving motor 310, and the rotation of the driving gear 350 is transmitted to the transmission gear 340.
  • the gear teeth 341 of the transmission gear 340 cooperate with the rack 321 of the leg 320, and the driving leg 320 is opposite to the shell.
  • the rotation axis of the transmission gear 340 is perpendicular to the rack 321 disposed in the longitudinal direction of the leg 320, and the transmission gear 340 is rotated.
  • the driving force of the telescopic movement of the leg 32 0 is given by the cooperation of the gear teeth and the rack 321 .
  • the leg 320 further defines a position through the limiting frame 312 to increase the stability of the telescopic movement.
  • the leg 320 is provided with a longitudinal flange 323.
  • the limiting frame 312 is provided with a cross-sectional structure conforming to the cross-section of the leg 320 (not labeled), so that the leg 320 can be retracted and moved, the trajectory is stable and does not sway, and the stability is greatly improved.
  • the limit frame 312 has various embodiments, and any technical solution that can define the telescopic movement of the leg 320 is within the scope of the present application.
  • the accuracy of the adjustment of the legs 320 can be improved.
  • the specification of the driving gear 350 and the transmission gear 340, the design of the gear teeth, the design of the rack 321, and the further adjustment design can improve the adjustment precision.
  • one or more driven wheels may also be provided between the drive gear 350 and the transmission gear 340 to further improve adjustment controllability and adjustment accuracy.
  • the bottom end of the leg 320 is provided with a foot pad 322.
  • the foot pad 322 is a hollow cylinder, and the leg 320 is mounted in the foot pad 322.
  • the rack 321 on the leg 320 can also be changed to provide an external thread on the leg 32 0.
  • the outer peripheral gear 341 on the transmission gear 340 is set to be externally threaded by the helical tooth and the leg 320.
  • the outer peripheral teeth 351 of the driving gear 350 are also helical teeth, which cooperate with the transmission gears 34 0 .
  • the body leg adjustment mechanism of the present application includes a leg 420 , a driving motor 430 , and a driving plate 440 .
  • the leg 420 can be telescopically moved relative to the housing 410 .
  • the driving motor 4 The drive shaft 431 of the 30 is coupled to the legs 420 and rotated in synchronization, and the drive plate 440 is fixed to the housing 410 by a fixing bracket 412.
  • the fixing bracket 412 is provided with a positioning shaft 413.
  • the driving motor 430 is fixed with a yoke 432.
  • the yoke 432 is provided with a through hole (not labeled), and the positioning shaft 413 passes through the through hole of the yoke 432 (not labeled).
  • the drive motor 430 and the yoke 432 are slidable relative to each other along the positioning shaft 413. In the illustrated embodiment, the upper and lower slides are slid, and in other embodiments, other directions may be used.
  • the yoke 432 is provided with a linear motion bearing (not labeled). The linear motion bearing cooperates with the positioning shaft 413 to make the driving motor 430 and the yoke 43 32 relatively smooth along the positioning shaft 413. Slide straight.
  • the leg 420 is provided with an external thread (not labeled), and the drive plate 440 has a central shaft bore and is internally threaded.
  • the leg 420 passes through the central shaft boring of the drive plate 440, and the external thread of the leg 420 cooperates with the internal thread on the drive plate 440, and the drive motor 430 drives the leg 420 to move telescopically relative to the drive plate 440 to realize the adjustment of the leg 420.
  • the bottom end of the leg 420 is provided with a foot pad 421.
  • the foot pad 421 is a hollow cylinder, and the leg 420 is installed in the foot pad 421.
  • one embodiment of a control system adopted by the body leg adjusting mechanism of the present invention includes a control center, and a body leg adjusting mechanism as described above, wherein the control center is used for issuing adjustments.
  • the control command of the foot, the driving device of the body leg adjusting mechanism receives the control command, thereby adjusting the leg.
  • the control center includes a connected processing unit and a transmitting unit, and the transmitting unit is configured to transmit instruction information of the control command, thereby driving the driving device, for example, driving the motor.
  • the control center in another embodiment of the control system used by the body leg adjustment mechanism, includes a sending unit, a receiving unit, a comparing unit, and a processing unit, where the sending unit is configured to send Controlling command information, which in turn drives the drive device, the drive device completes the control command and generates an action message, the receiving unit is configured to receive the action information, and the comparison unit is configured to compare The instruction information and the action information are described, and the comparison result is fed back to the processing unit.
  • the sending unit is configured to send Controlling command information, which in turn drives the drive device, the drive device completes the control command and generates an action message
  • the receiving unit is configured to receive the action information
  • the comparison unit is configured to compare The instruction information and the action information are described, and the comparison result is fed back to the processing unit.
  • the body leg adjusting system further includes a detecting unit, a processing unit connected to the control center, and the detecting unit It is placed on the fuselage casing or on the legs.
  • the detecting unit includes a balance detecting device or an angle detecting device, such as a detecting device including any one of an infrared sensor and a gyroscope, and the detected data is sent to the control center, according to these The data adjusts the feet accordingly.
  • the body foot adjustment system further includes an adjustment unit, and the control center is coupled to the adjustment unit.
  • the adjustment unit may include a bypass control device, and may further include an amplitude control device that can be manually operated or electrically operated.
  • the adjusting unit may further implement a control operation by using an intelligent terminal, and the smart terminal is connected to the control center, and may be connected by using a Bluetooth or a wifi.
  • the adjusting unit may be connected to the detecting unit to directly perform an adjusting operation according to the data feedback fed back by the detecting unit, as shown by a broken line in FIG.
  • a servo motor with precise control is used as a driving device for adjusting the foot, and the servo motor can control the speed and position.
  • the accuracy is very accurate, as shown in Figure 9 for the drive motor.
  • the control center function is realized by the main chip and the driving chip, and the main chip sends a control signal to make the driving chip emit a pulse, and the servo electric power Each time the machine receives a pulse, it rotates the angle corresponding to one pulse to achieve displacement and adjust the foot.
  • the servo motor Since the servo motor has the function of emitting a pulse, the servo motor can emit a corresponding number of pulses every time the angle is rotated, and the actual rotating pulse signal is collected by the encoder, and the processing is sent to the driving chip, and the driving chip compares the processing to send and receive.
  • the number of pulses is used to precisely control the speed of the servo motor for precise adjustment.
  • the body leg adjustment mechanism of the present application may be disposed on any device that needs to adjust the body leg, such as on an electronic device, such as a projection device, a driving device of the body leg adjustment mechanism, and an electronic device.
  • the body is fixedly connected. It may be disposed at at least one of the legs of the body, or may be provided on each leg. It can be controlled by a control center of the body foot adjustment system, or it can be connected to different control centers for control.

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Abstract

一种机身支脚调节机构以及应用该调节机构的电子设备,机身支脚调节机构包括驱动装置、传动装置,驱动装置与机身固定连接,支脚可相对机身伸缩调整运动,驱动装置驱动传动装置运动,传动装置的运动驱动支脚相对机身伸缩运动。该机身支脚调节机构可实现自动化调节支脚高低,节约人力,提高可控性与调节精度。

Description

机身支脚调节机构及电子设备
技术领域
[0001] 本实用新型涉及自动控制调节系统, 尤其涉及一种用于调节机身支脚的调节机 构及应用的电子设备。
背景技术
[0002] 在架设机器吋, 通过调节各个支脚来提升机器的平稳度, 或获得需要的倾斜度 , 例如在架设投影机吋, 需要根据环境条件、 架设位置、 投影屏幕的远近高低 位置等等, 因这些条件差异, 来调整投影机的架设位置、 角度, 进而调整投影 影像的高低、 左右倾角、 前后倾角等, 来使得投影影像刚好投影在需要的位置 、 满足需要的大小, 具有较高清晰度, 符合使用者要求, 让使用者观赏到最恰 当的影像。 在其他的一些需要调节平稳度、 倾斜角度的机器, 同样可通过调节 支脚的高低来调节整体机器的平稳和机器倾斜角度。 技术问题
[0003] 目前, 绝大多数产品都是手动调节支脚, 调节过程繁琐且难达到预期效果。 手 动调节费吋费力, 客户得不到很好的用户体验。 现有支脚调节方式还存在调节 精度不高的问题, 未能获得细调效果, 未能满足使用者需求。
[0004] 因此, 提供一种可实现自动化调节支脚高低, 节约人力, 调节精度高的机身支 脚调节机构。
问题的解决方案
技术解决方案
[0005] 本实用新型的目的在于提供一种可实现自动调节支脚高低, 节约人力, 调节精 度高的机身支脚调节机构以及应用该机构的电子设备。
[0006] 为实现上述目的, 本实用新型提供一种机身支脚调节机构, 应用于调节机身支 脚, 所述机身支脚调节机构包括驱动装置、 传动装置, 所述驱动装置与机身固 定连接, 所述支脚可相对机身伸缩调整运动, 所述驱动装置驱动所述传动装置 运动, 所述传动装置的运动驱动所述支脚相对机身伸缩运动。
[0007] 本实用新型机身支脚调节机构采用驱动装置进行支脚调节, 可实现自动化调节 支脚高低, 节约人力, 并且通过驱动装置、 传动装置与支脚之间的可控性精密 配合, 提高了可控性与调节精度。
[0008] 调节机构具体结构以及驱动装置实施方式和驱动支脚的实施方式可以有多种。
[0009] 较佳实施方式中, 所述传动装置包括传动齿轮, 该传动齿轮的转动轴相对机身 固定, 所述驱动装置驱动所述传动齿轮转动, 所述传动齿轮与所述支脚配合, 所述传动齿轮的转动使所述支脚相对机身伸缩运动。 通过齿轮结构进行传动, 可提高支脚调节的精度。
[0010] 较佳实施方式中, 所述传动齿轮转动轴的轴心中空并设有内螺纹, 所述支脚穿 过所述传动齿轮的轴心, 所述支脚至少部分设有外螺纹, 与所述传动齿轮轴心 的内螺纹相配合, 所述传动齿轮由驱动装置驱动转动吋, 在传动齿轮的转动轴 相对机身固定的情况下, 支脚与传动齿轮之间通过螺纹配合旋转, 支脚相对传 动齿轮伸缩运动, 从而使支脚相对机身伸缩运动。
[0011] 所述支脚上的外螺纹可以在整个支脚上设置, 也可以根据支脚调节的范围, 设 置与传动齿轮内螺纹配合的外螺纹段。
[0012] 所述驱动装置可以通过多种方式驱动所述传动齿轮, 在较佳实施方式中, 所述 驱动装置为驱动电机, 该传动装置还包括驱动齿轮, 驱动齿轮与所述驱动电机 的驱动轴连接同步转动, 所述驱动齿轮与所述传动齿轮相啮合, 驱使所述传动 齿轮转动。
[0013] 所述驱动装置的另一较佳实施方式中, 所述驱动装置为驱动电机, 其驱动轴上 设有外螺纹, 所述传动齿轮外周轮齿为斜齿, 驱动轴的转动通过其外螺纹与所 述斜齿的配合, 使所述传动齿轮转动。 具体的, 所述驱动轴的轴向与所述传动 齿轮的中心轴向相互平行或垂直。
[0014] 在本实用新型机身支脚调节机构的另一较佳实施方式中, 所述支脚至少部分设 有纵向设置的齿条, 与所述传动齿轮外周的轮齿相配合, 所述传动齿轮由驱动 装置所驱动转动吋, 传动齿轮的轮齿与支脚的齿条相配合, 驱动支脚相对机身 伸缩运动。 具体的, 所述传动齿轮的转动轴垂直于所述支脚的纵向齿条, 传动 齿轮转动吋通过轮齿与齿条的配合给予齿条相对机身伸缩运动的驱动力。
[0015] 所述支脚上的齿条可以在整个支脚纵向高度上设置, 也可以根据支脚调节的范 围, 设置与传动齿轮的轮齿配合的齿条段。
[0016] 所述驱动装置可以通过多种方式驱动所述传动齿轮, 在较佳实施方式中, 所述 驱动装置为驱动电机, 该传动装置还包括驱动齿轮, 驱动齿轮与所述驱动电机 的驱动轴连接同步转动, 所述驱动齿轮与所述传动齿轮相啮合, 驱使所述传动 齿轮转动。 其中一实施方式中, 所述驱动轴、 驱动齿轮、 传动齿轮的转动轴相 互平行。
[0017] 所述驱动装置的另一较佳实施方式中, 所述驱动装置为驱动电机, 其驱动轴上 设有外螺纹, 所述传动齿轮外周轮齿为斜齿, 驱动轴的转动通过其外螺纹与所 述斜齿的配合, 使所述传动齿轮转动。 所述支脚上的齿条的齿纹也设计为斜齿 , 与所述传动齿轮斜齿相配合。 具体的, 所述驱动轴的轴向与所述传动齿轮的 中心轴向相互平行或垂直。
[0018] 在本实用新型机身支脚调节机构的另一较佳实施方式中, 所述支脚至少部分设 有外螺纹, 所述传动齿轮外周轮齿为斜齿, 与所述外螺纹相配合, 所述传动齿 轮由驱动装置所驱动转动吋, 传动齿轮的斜齿与支脚的外螺纹相配合, 驱动支 脚相对机身伸缩运动。 具体的, 所述传动齿轮的转动轴与支脚轴向平行或垂直
[0019] 所述支脚上的外螺纹可以在整个支脚上设置, 也可以根据支脚调节的范围, 设 置相应的外螺纹段。
[0020] 较佳实施方式中, 所述驱动装置为驱动电机, 该传动装置还包括驱动齿轮, 驱 动齿轮与所述驱动电机的驱动轴连接同步转动, 所述驱动齿轮与所述传动齿轮 相啮合, 驱使所述传动齿轮转动。 本实施方式中, 所述驱动齿轮外周为斜齿, 与所述传动齿轮外周的斜齿相配合。
[0021] 所述驱动装置的另一较佳实施方式中, 所述驱动装置为驱动电机, 其驱动轴上 设有外螺纹, 与所述传动齿轮外周斜齿相配合, 驱动轴的转动通过其外螺纹与 所述斜齿的配合, 使所述传动齿轮转动。
[0022] 较佳实施方式中, 所述机身支脚调节机构进一步包括限位架, 所述限位架固定 在机身上, 限位架上设有穿孔使所述支脚可穿过, 限位架可用于限定支脚, 稳 定支脚伸缩运动方向, 另外一些实施例中, 限位架也可以用于限定所述传动齿 轮, 使传动齿轮稳定转动。
[0023] 本实用新型还提供了一种电子设备, 包括机身, 和上述安装在机身内的机身支 脚调节机构, 所述机身支脚调节机构的驱动装置与电子设备的机身固定连接。 发明的有益效果
有益效果
[0024] 有益效果: 区别于现有技术的情况, 本实用新型机身支脚调节机构采用驱动装 置进行支脚调节, 可实现自动化调节支脚高低, 节约人力, 并且通过驱动装置 、 传动装置与支脚之间的可控性精密配合, 提高了可控性与调节精度。 本实用 新型应用所述机身支脚调节机构的电子设备可根据需要调节支脚高度, 提高装 置稳定性、 平衡性, 角度控制的精确性。
对附图的简要说明
附图说明
[0025] 图 1是本实用新型: 身支脚调节机构实施例一的结构示意图;
[0026] 图 2是本实用新型: 身支脚调节机构实施例二的结构示意图;
[0027] 图 3是本实用新型: 身支脚调节机构实施例三的结构示意图;
[0028] 图 4是本实用新型: 身支脚调节机构实施例四的结构示意图;
[0029] 图 5是本实用新型: 身支脚调节系统实施例一的示意图;
[0030] 图 6是本实用新型: 身支脚调节系统实施例二的示意图;
[0031] 图 7是本实用新型: 身支脚调节系统实施例三的示意图;
[0032] 图 8是本实用新型: 身支脚调节系统实施例四的示意图;
[0033] 图 9是本实用新型: 身支脚调节系统实施例五的示意图。
本发明的实施方式
[0034] 为使本领域的技术人员更好地理解本实用新型的技术方案, 下面结合附图和具 体实施方式对本实用新型做进一步详细描述。 [0035] 请参照图 1, 机身支脚调节机构实施例一中, 驱动电机 130通过电机安装架 111 固定在机身的壳体 110上, 在其他一些实施例中, 所述驱动电机 130和电机安装 架 111也可以固定安装在其它与机身固定连接的承重支架或部件上。
[0036] 所述驱动电机 130的驱动轴 131上设有外螺纹 (未标识) , 所述传动齿轮 140转 动轴的轴心中空并设有内螺纹 (未标识) , 传动齿轮 140的外周轮齿为斜齿 141 , 所述斜齿 141与驱动电机 130的驱动轴 131上的外螺纹相配合。 所述支脚 120穿 过所述传动齿轮 140的轴心, 所述支脚 120上设有外螺纹, 与所述传动齿轮 140轴 心的内螺纹相配合。 所述驱动电机 130的驱动轴 131的轴向与支脚 120、 传动齿轮 140的轴向相互垂直, 使得驱动轴 131的外螺纹与传动齿轮 140的斜齿 141相配合 。 所述驱动轴 131的轴向也可以是与支脚 120、 传动齿轮 140的轴向相互平行的方 向, 驱动轴 131的外螺纹相应设计与传动齿轮 140的斜齿 141相配即可。 所述电机 安装架 111有多种实施方式, 只要能实现所述驱动电机 130固定安装的技术方案 均在本申请保护范围内。
[0037] 所述传动齿轮 140的转动轴相对壳体 110固定, 也就是传动齿轮 140相对壳体 110 在上下左右方向的位置固定, 但可相对壳体 110转动。 壳体 110上固定安装有限 位架 112, 所述限位架 112跨过所述传动齿轮 140上方, 对传动齿轮 140起限位作 用, 并且所述限位架 112设有穿孔 (未标识) , 支脚 120可从穿孔中穿过, 增加 传动齿轮 140和支脚 120配合运动的稳定性。 所述限位架 112还可以有其他实施方 式, 例如通过横跨传动齿轮 140的两条限位条组成, 该支脚 120从两条限位条之 间通过; 或设置在传动齿轮 140上方一侧的半圆限位片, 该限位片上设有半圆缺 口使支脚 120通过, 等等, 本实用新型实施例不作为限制。
[0038] 所述支脚 120可相对壳体 110伸缩调整运动。 具体来说, 所述支脚 120通过其外 螺纹与所述传动齿轮 140的内螺纹配合, 可使所述支脚 120相对所述传动齿轮 140 伸缩运动, 由于所述传动齿轮 140相对壳体 110在伸缩方向不动, 因此在所述驱 动电机 130驱动所述传动齿轮 140转动吋, 所述支脚 120与所述传动齿轮 140之间 通过螺纹配合旋转, 支脚 120相对传动齿轮 140伸缩运动, 从而使支脚 120相对壳 体 110伸缩运动。
[0039] 通过对驱动电机 130转动的控制, 可提高支脚调节的精度。 另外, 所述驱动电 机 130中的驱动轴 131的外螺纹设计, 以及传动齿轮 140的规格选择、 斜齿的设计 方面, 也可以进一步提高调节精度。
[0040] 作为可替换实施例, 也可以在所述驱动轴 131与所述传动齿轮 140之间设置一个 或多个从动轮, 进一步提高调节可控性和调节精度。
[0041] 在支脚 120的上端设有限位片 121, 以防止支脚往下调节吋松脱, 具体的, 所述 限位片 121尺寸大于所述限位架 112穿孔的尺寸, 或大于所述传动齿轮 140轴心中 空结构的尺寸。
[0042] 所述支脚 120下端设有脚垫 122, 具体实施例中, 所述脚垫 122为中空圆柱体, 支脚 120安装在脚垫 122中。
[0043] 所述支脚 120上的外螺纹可以在整个支脚上设置, 也可以根据支脚调节的范围
, 设置与传动齿轮 140内螺纹配合的外螺纹段。
[0044]
[0045] 请参照图 2, 机身支脚调节机构实施例二, 驱动电机 230通过电机安装架 211固 定在机身的壳体 210上, 驱动轴 231上连接有驱动齿轮 250, 驱动齿轮 250与驱动 轴 231同步转动, 所述驱动齿轮 250与所述传动齿轮 240相啮合, 驱使所述传动齿 轮 240转动。 驱动齿轮 250外周轮齿 251可以是直齿也可以是斜齿, 与此相配合的 , 传动齿轮 240外周的轮齿 241相应为直齿或斜齿, 与驱动齿轮 250相配合。
[0046] 本实施例中, 所述驱动电机 230的驱动轴 231轴向与支脚 220的轴向相平行, 同 样是竖直于壳体 210。 在另一些实施例中, 所述驱动电机 230的驱动轴 231轴向与 支脚 220的轴向也可以是相互垂直的, 在这些实施例中, 将驱动齿轮 250的外周 轮齿 251和传动齿轮 240的外周轮齿 241均设置为相互配合的斜齿, 同样可以实现 传动。
[0047] 传动齿轮 240转动轴的轴心处中空并设有内螺纹 (未标识) , 所述支脚 220穿过 所述传动齿轮 240的轴心, 所述支脚 220上设有外螺纹 (未标识) , 与所述传动 齿轮 240轴心的内螺纹相配合。 所述电机安装架 211有多种实施方式, 只要能实 现所述驱动电机 230固定安装的技术方案均在本申请保护范围内。
[0048] 所述传动齿轮 240的转动轴相对壳体 210固定, 也就是传动齿轮 240相对壳体 210 在上下左右方向的位置固定, 但可相对壳体 210转动。 壳体 210上固定安装有限 位架 212, 所述限位架 212跨过所述传动齿轮 240上方, 对传动齿轮 240起限位作 用, 并且所述限位架 212设有穿孔 (未标识) , 进一步限定所述支脚 220伸缩运 动的方向, 增加传动齿轮 240和支脚 220配合运动的稳定性。 所述限位架 212还可 以有其他实施方式, 例如通过横跨传动齿轮 240的两条限位条组成, 该支脚 220 从两条限位条之间通过; 或设置在传动齿轮 240上方一侧的半圆限位片, 该限位 片上设有半圆缺口使支脚 220通过, 等等, 本实用新型实施例不作为限制。
[0049] 所述支脚 220可相对壳体 210伸缩调整运动。 具体来说, 所述支脚 220通过其外 螺纹与所述传动齿轮 240的内螺纹的配合, 可使所述支脚 220相对所述传动齿轮 2 40伸缩运动, 由于所述传动齿轮 240相对壳体 210在伸缩方向不动, 因此在所述 驱动电机 230驱动驱动齿轮 250, 然后传动使所述传动齿轮 240转动吋, 所述支脚 220与所述传动齿轮 240之间通过螺纹配合旋转, 支脚 220相对传动齿轮 240伸缩 运动, 从而使支脚 220相对壳体 210伸缩运动, 实现支脚的调节。
[0050] 通过对驱动电机 230转动的控制, 可提高支脚调节的精度。 另外, 所述驱动齿 轮 250和传动齿轮 240的规格选择、 轮齿的设计方面, 也可以进一步提高调节精 度。 作为可替换实施例, 也可以在所述驱动齿轮 250和传动齿轮 240之间设置一 个或多个从动轮, 进一步提高调节可控性和调节精度。
[0051] 在支脚 220的上端设有限位片 221, 以防止支脚往下调节吋松脱, 具体的, 所述 限位片 221尺寸大于所述限位架 212穿孔的尺寸, 或大于所述传动齿轮 240轴心中 空结构的尺寸。
[0052] 所述支脚 220下端设有脚垫 222, 具体实施例中, 所述脚垫 222为中空圆柱体, 支脚 220安装在脚垫 222中。
[0053]
[0054] 请参照图 3, 机身支脚调节机构实施例三, 驱动电机 330通过电机安装架 311固 定在机身的壳体 310上, 所述电机安装架 311有多种实施方式, 只要能实现所述 驱动电机 330固定安装的技术方案均在本申请保护范围内, 在本实施例中, 所述 电机安装架 311设计为安装板, 同吋能够安装定位传动齿轮 340的转动轴, 该转 动轴与支脚轴向垂直。
[0055] 在图 3实施例中, 所述驱动电机 330的驱动轴 (未标识) 的轴向与支脚 320的轴 向相垂直, 驱动轴上连接有驱动齿轮 350, 驱动齿轮 350与驱动轴同步转动, 所 述驱动齿轮 350与所述传动齿轮 340相啮合, 驱使所述传动齿轮 340转动。
[0056] 所述支脚 320至少部分设有纵向设置的齿条 321, 与所述传动齿轮 340外周的轮 齿 341相配合, 所述支脚 320上的齿条 321可以在整个支脚 320纵向高度上设置, 也可以根据支脚 320调节的范围设置一定长度。 驱动齿轮 350外周轮齿 351可以是 直齿也可以是斜齿, 与此相配合的, 传动齿轮 340外周的轮齿 341相应为直齿或 斜齿, 与驱动齿轮 350相配合, 相应的; 所述支脚 320上的齿条 321也可以是直齿 或斜齿, 与传动齿轮 340相配合。
[0057] 在可替换实施例中, 所述驱动电机 330的驱动轴的轴向与支脚 320的轴向也可以 是相互平行的, 与传动齿轮 340相互垂直, 驱动齿轮 350外周轮齿 351、 传动齿轮 340外周的轮齿 341、 支脚 320上的齿条 321均设置为彼此配合传动的斜齿。
[0058] 所述驱动齿轮 350由驱动电机 310所驱动, 驱动齿轮 350的转动传至所述传动齿 轮 340, 传动齿轮 340的轮齿 341与支脚 320的齿条 321相配合, 驱动支脚 320相对 壳体伸缩运动。 本实施例中, 所述传动齿轮 340的转动轴垂直于所述支脚 320的 纵向设置的齿条 321, 传动齿轮 340转动吋通过轮齿与齿条 321的配合给予支脚 32 0伸缩运动的驱动力。
[0059] 所述支脚 320通过限位架 312进一步限定位置, 增加伸缩运动稳定性。 本实施例 中, 支脚 320上设置有纵向凸缘 323, 限位架 312设有与支脚 320截面结构相符穿 孔 (未标识) , 使支脚 320伸缩运动吋, 轨迹稳定不晃动, 稳定性大大提高。 所 述限位架 312有多种实施方式, 只要能限定所述支脚 320伸缩运动的技术方案均 在本申请保护范围内。
[0060] 通过对驱动电机 330转动的控制, 可提高支脚 320调节的精度。 另外, 所述驱动 齿轮 350和传动齿轮 340的规格选择、 轮齿的设计方面, 齿条 321的设计, 做进一 步调整设计, 均可提高调节精度。 作为可替换实施例, 也可以在所述驱动齿轮 3 50和传动齿轮 340之间设置一个或多个从动轮, 进一步提高调节可控性和调节精 度。
[0061] 所述支脚 320下端设有脚垫 322, 具体实施例中, 所述脚垫 322为中空圆柱体, 支脚 320安装在脚垫 322中。 [0062] 作为实施例三的可替换实施方式, 支脚 320上的齿条 321也可以变换为在支脚 32 0上设置外螺纹, 传动齿轮 340上外周轮齿 341设置为斜齿与支脚 320外螺纹相配 合驱动支脚 320, 相应的, 驱动齿轮 350上外周轮齿 351也是斜齿, 与传动齿轮 34 0相配合。
[0063]
[0064] 请参阅图 4, 作为可替换实施方式, 本申请机身支脚调节机构包括支脚 420、 驱 动电机 430、 传动盘 440, 所述支脚 420可相对壳体 410伸缩运动, 所述驱动电机 4 30的驱动轴 431连接支脚 420并且同步转动, 传动盘 440通过固定支架 412固定在 壳体 410上。
[0065] 固定支架 412上设有定位轴 413, 驱动电机 430上固定有轴架 432, 轴架 432设有 穿孔 (未标识) , 所述定位轴 413穿过轴架 432的穿孔 (未标识) , 驱动电机 430 和轴架 432可沿定位轴 413相对滑动, 在附图所示实施例中为上下滑动, 在其他 实施例中可以是其他方向。 作为较佳实施例, 轴架 432上设有直线运动轴承 (未 标识) , 通过所述直线运动轴承与定位轴 413相配合, 可使驱动电机 430和轴架 4 32沿定位轴 413相对顺滑直线滑动。
[0066] 所述支脚 420设有外螺纹 (未标识) , 所述传动盘 440中心轴幵孔并设有内螺纹
(未标识) , 支脚 420穿过传动盘 440中心轴幵孔, 支脚 420外螺纹与传动盘 440 上的内螺纹相配合, 驱动电机 430驱动支脚 420相对传动盘 440伸缩运动, 实现支 脚 420调节。
[0067] 所述支脚 420下端设有脚垫 421, 具体实施例中, 所述脚垫 421为中空圆柱体, 支脚 420安装在脚垫 421中。
[0068] 其他基于本申请技术方案变换的替换实施例, 均在本申请保护范围内, 不再赘 述。
[0069]
[0070] 请参阅图 5, 本实用新型机身支脚调节机构所采用的控制系统实施例之一, 其 包括控制中心, 以及如上所述的机身支脚调节机构, 所述控制中心用于发出调 节支脚的控制指令, 所述机身支脚调节机构的驱动装置接收该控制指令, 进而 调节支脚。 通过控制中心可以实现自动化调节支脚高低, 节约人力, 并提高调 解精度。 所述控制中心包括相连接的处理单元和发送单元, 发送单元用于发送 控制指令的指令信息, 进而驱动所述驱动装置, 例如驱动电机。
[0071] 请参阅图 6, 在机身支脚调节机构所采用的控制系统另一实施例中, 所述控制 中心包括发送单元、 接收单元、 比对单元、 处理单元, 所述发送单元用于发送 控制指令的指令信息, 进而驱动所述驱动装置, 所述驱动装置完成所述控制指 令并产生一个动作信息, 所述接收单元用于接收所述动作信息, 所述比对单元 用于比对所述指令信息和动作信息, 并将比对结果反馈至处理单元。 通过该技 术方案, 可以根据比对结果, 获知驱动装置实际的驱动动作与支脚实际的运动 距离是否符合控制指令, 进而可以调整控制指令, 更精确的调节驱动装置的驱 动, 更精确的调节支脚运动。
[0072] 请参阅图 7, 在机身支脚调节机构所采用的控制系统另一实施例中, 所述机身 支脚调节系统进一步包括检测单元, 连接所述控制中心的处理单元, 所述检测 单元设置在机身壳体上或设置在支脚上。 较佳实施方式中, 所述检测单元包括 平衡检测装置或角度检测装置, 具体如包括红外感应器、 或陀螺仪等等任意一 种在内的检测装置, 检测所得数据输送至控制中心, 根据这些数据对支脚进行 相应调节。
[0073] 请参阅图 8, 在机身支脚调节机构所采用的控制系统可替换实施例中, 所述机 身支脚调节系统进一步包括调节单元, 所述控制中心连接所述调节单元。 所述 调节单元可以包括幵关控制装置, 还可以包括幅度控制装置, 可以通过手动操 作或电动操作所述幵关控制装置或幅度控制装置。 在较佳实施例方式中, 所述 调节单元还可以采用智能终端来实现调控操作, 所述智能终端连接所述控制中 心, 具体可通过蓝牙、 wifi等方式连接。 在较佳实施例方式中, 所述调节单元还 可以与检测单元连接, 直接根据检测单元反馈的数据判断来进行调节操作, 如 图 8中虚线所示。
[0074] 请参阅图 9, 本实施例机身支脚调节机构所采用的控制系统再一实施例中, 具 体的, 采用控制精准的伺服电机作为驱动装置进行支脚调节, 伺服电机可以控 制转速, 位置精度非常准确, 如图 9中所示的驱动电机。 通过主芯片和驱动芯片 实现上述控制中心功能, 主芯片发出控制信号, 使驱动芯片发出脉冲, 伺服电 机每接收一个脉冲, 就旋转一个脉冲对应的角度, 从而实现位移, 调节支脚。 由于伺服电机具有发出脉冲的功能, 所以伺服电机每旋转一个角度, 就能够发 出对应数量的脉冲, 由编码器采集该实际转动的脉冲信号, 处理输送给驱动芯 片, 驱动芯片对比处理发送与接收到的脉冲数, 从而精确控制伺服电机的转速 , 实现精确调节。
[0075]
[0076] 本申请的机身支脚调节机构可以设置在任意需要调节机身支脚的装置上, 例如 设置在电子设备上, 具体例如投影装置, 所述机身支脚调节机构的驱动装置与 电子设备的机身固定连接。 可以设置在机身的至少任意一个支脚处, 也可以在 每个支脚上均设置该机身支脚调节机构。 可以通过一个机身支脚调节系统的控 制中心对其进行控制, 也可以分别连接不同的控制中心进行控制。
[0077] 以上仅为本实用新型的实施方式, 并非因此限制本实用新型的专利范围, 凡是 利用本实用新型说明书及附图内容所作的等效结构或等效流程变换, 或直接或 间接运用在其他相关的技术领域, 均同理包括在本实用新型的专利保护范围。
[0078]

Claims

权利要求书
[权利要求 1] 一种机身支脚调节机构, 其特征在于, 所述机身支脚调节机构包括驱 动装置和传动装置, 所述驱动装置与机身固定连接, 所述支脚可相对 机身伸缩调整运动, 所述驱动装置驱动所述传动装置运动, 所述传动 装置的运动驱动所述支脚相对机身伸缩运动。
[权利要求 2] 根据权利要求 1所述的机身支脚调节机构, 其特征在于, 所述传动装 置包括传动齿轮, 该传动齿轮的转动轴相对机身固定, 所述驱动装置 驱动所述传动齿轮转动, 所述传动齿轮与所述支脚配合, 所述传动齿 轮的转动使所述支脚相对机身伸缩运动。
[权利要求 3] 根据权利要求 2所述的机身支脚调节机构, 其特征在于, 所述传动齿 轮转动轴的轴心中空并设有内螺纹, 所述支脚穿过所述传动齿轮的轴 心, 所述支脚至少部分设有外螺纹, 与所述传动齿轮轴心的内螺纹相 配合, 所述传动齿轮由驱动装置驱动转动吋, 传动齿轮轴心中空处的 内螺纹与支脚外螺纹配合, 使支脚相对机身伸缩运动。
[权利要求 4] 根据权利要求 2所述的机身支脚调节机构, 其特征在于, 所述支脚至 少部分设有纵向设置的齿条, 与所述传动齿轮外周的轮齿相配合, 所 述传动齿轮由驱动装置所驱动转动吋, 传动齿轮的轮齿与支脚的齿条 相配合, 驱动支脚相对机身伸缩运动。
[权利要求 5] 根据权利要求 2所述的机身支脚调节机构, 其特征在于, 所述支脚至 少部分设有外螺纹, 所述传动齿轮外周轮齿为斜齿, 所述传动齿轮由 驱动装置所驱动转动吋, 传动齿轮的斜齿与支脚的外螺纹相配合, 驱 动支脚相对机身伸缩运动。
[权利要求 6] 根据权利要求 2~5任一项所述的机身支脚调节机构, 其特征在于, 所 述驱动装置为驱动电机, 该传动装置还包括驱动齿轮, 驱动齿轮与所 述驱动电机的驱动轴连接同步转动, 所述驱动齿轮与所述传动齿轮相 啮合, 驱使所述传动齿轮转动。
[权利要求 7] 根据权利要求 2或 3或 5所述的机身支脚调节机构, 其特征在于, 所述 驱动装置为驱动电机, 所述驱动电机的驱动轴上设有外螺纹, 所述传 动齿轮外周轮齿为斜齿, 驱动轴的转动通过其外螺纹与所述斜齿的配 合, 使所述传动齿轮转动。
[权利要求 8] 根据权利要求 4所述的机身支脚调节机构, 其特征在于, 所述驱动装 置为驱动电机, 所述驱动电机的驱动轴上设有外螺纹, 所述传动齿轮 外周轮齿为斜齿, 驱动轴的转动通过其外螺纹与所述斜齿的配合, 使 所述传动齿轮转动, 所述齿条上的齿纹为斜齿, 与所述传动齿轮的斜 齿相配合。
[权利要求 9] 根据权利要求 2~5任一项所述的机身支脚调节机构, 其特征在于, 其 进一步包括限位架, 所述限位架固定在机身上, 限位架上设有穿孔使 所述支脚可穿过。
[权利要求 10] —种电子设备, 包括机身, 其特征在于, 还包括 1~9任一项所述的机 身支脚调节机构, 所述机身支脚调节机构安装在机身内, 所述机身支 脚调节机构的驱动装置与电子设备的机身固定连接。
[权利要求 11] 根据权利要求 10所述的电子设备, 其特征在于, 所述电子设备为投影 装置。
PCT/CN2018/077774 2017-10-13 2018-03-01 机身支脚调节机构及电子设备 Ceased WO2019071908A1 (zh)

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CN202140751U (zh) * 2011-06-23 2012-02-08 王吴光 一种机械驱动调节机床垫脚板高度的装置
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CN202140751U (zh) * 2011-06-23 2012-02-08 王吴光 一种机械驱动调节机床垫脚板高度的装置
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