WO2021027278A1 - Table d'expérience - Google Patents

Table d'expérience Download PDF

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Publication number
WO2021027278A1
WO2021027278A1 PCT/CN2020/078285 CN2020078285W WO2021027278A1 WO 2021027278 A1 WO2021027278 A1 WO 2021027278A1 CN 2020078285 W CN2020078285 W CN 2020078285W WO 2021027278 A1 WO2021027278 A1 WO 2021027278A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw rod
optical axis
desktop
base
support seat
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/CN2020/078285
Other languages
English (en)
Chinese (zh)
Inventor
张建民
龙佳乐
李鸿彬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuyi University Fujian
Original Assignee
Wuyi University Fujian
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 Wuyi University Fujian filed Critical Wuyi University Fujian
Publication of WO2021027278A1 publication Critical patent/WO2021027278A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L9/00—Supporting devices; Holding devices
    • B01L9/02—Laboratory benches or tables; Fittings therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes

Definitions

  • the invention relates to the field of teaching equipment, in particular to an experiment table.
  • the experiment table is mainly used in the laboratory or teaching environment to install and place experimental instruments or equipment. Different experiments have different requirements for the experiment table.
  • the existing tilt adjustable experimental platform can only roughly adjust the tilt angle of the experimental platform when adjusting the tilt angle, and cannot measure the angle of the tilt angle; when adjusting the tilt, it is necessary to force the entire platform to rotate, which costs more Great physical fitness.
  • the purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide an experiment table that can conveniently and accurately adjust the tilt angle of the tabletop, does not need to force the platform to adjust, saves physical energy, and can be stepless adjust.
  • an experiment table which includes a base, a support block provided behind the base, a mobile support assembly provided on the base, and a reversible desktop, the desktop provided on the mobile support
  • the upper part of the assembly and the rear of the desktop are hinged with the support block.
  • the mobile support assembly includes a screw rod arranged forward and backward on the base, a moving plate driven by the rotation of the screw rod to move forward and backward, and The rollers on the moving plate.
  • the above-mentioned test bench has at least the following beneficial effects: the rear of the desktop is hinged with the support block, and then a screw rod is set to drive the moving board to move back and forth, and the rollers on the moving board also move back and forth.
  • the positions of the rollers supporting the desktop are different so that the tilt angle of the desktop is different .
  • stepless adjustment can be realized, and the desktop does not need to be moved hard, which saves physical energy and can conveniently and accurately adjust the tilt angle of the desktop.
  • the front of the base is provided with a screw rod front support seat
  • the rear of the base is provided with a screw rod rear support seat
  • the screw rod is connected to the screw rod
  • the screw rod is provided with a screw slider
  • the moving plate is arranged above the screw slider
  • the front support seat of the screw rod is provided with It is a rotating operation part that drives the screw to rotate.
  • the rotation operating portion includes a turntable for driving the screw to rotate, the front end of the screw is connected to the center of the turntable, and the turntable is also It is provided with a handle part for human hands to hold.
  • the setting of the turntable and the handle is convenient for the user to operate, and drives the screw to rotate, thereby realizing the adjustment of the desktop support angle.
  • the experimental bench according to the main aspect of the present invention further includes an optical axis assembly arranged on one or both sides of the screw rod, and the optical axis assembly includes an optical axis parallel to the screw rod and a front optical axis.
  • the sliding block supports the bottom surface of the moving board.
  • the moving plate needs to be set relatively wide, and the optical axis components are set on one or both sides of the screw rod.
  • the optical axis slider will move forward and backward along the optical axis at the same time. So as to ensure the balance of force on the moving board.
  • the desktop is hinged on the supporting block through a hinge.
  • One end of the hinge is connected to the desktop, and the other end is connected to the support block, thereby providing a hinge so that the desktop can be rotated.
  • the experimental bench according to the main aspect of the present invention further includes an angle measuring instrument including a first scale arranged on the support block and a second scale arranged on the desktop .
  • an angle measuring instrument including a first scale arranged on the support block and a second scale arranged on the desktop .
  • the second scale is fixed on one side of the desktop through a connecting frame, and the connecting frame is provided with a fixing part for connecting with the desktop, and Fix the connecting part of the second scale.
  • a support pad for adjusting the height of the roller support is further provided on the movable plate, and the roller is installed above the support pad.
  • the support pads of different heights can be replaced to make the rollers have different support heights, so that the adjustment range of the tilt angle of the desktop changes.
  • FIG. 1 is a schematic diagram of the structure of an experimental platform provided by an embodiment of the present invention.
  • FIG. 2 is an exploded view of an experimental platform provided by an embodiment of the present invention.
  • Figure 3 is an exploded view from another angle of an experimental platform according to an embodiment of the present invention.
  • Fig. 4 is a schematic diagram of the structure of a movable plate and rollers of an experimental platform provided by an embodiment of the present invention.
  • an embodiment of the present invention provides an experiment table, including a base 10, a support block 11 arranged behind the base 10, a mobile support assembly arranged on the base 10, and a reversible desktop 30.
  • the desktop 30 is arranged above the mobile support assembly and the rear of the desktop 30 is hinged with the support block 11.
  • the mobile support assembly includes a screw rod 21 arranged forward and backward on the base 10, a moving plate 22 driven by the rotation of the screw rod 21 to move forward and backward, and a set The roller 23 on the moving plate 22.
  • the rear of the desktop 30 is hinged with the support block 11, and then the screw 21 is set to drive the moving plate 22 to move forward and backward, and the roller 23 on the moving plate 22 also moves forward and backward.
  • the roller 23 supports the desktop 30 in different positions.
  • the inclination angle of the desktop 30 is different, and stepless adjustment can be realized by adjusting the screw 21, and the desktop 30 does not need to be moved hard, which saves energy and can conveniently and accurately adjust the inclination angle of the desktop.
  • the support block 11 and the base 10 are separate structures and are installed behind the base 10, but it is understandable that the support block 11 and the base 10 can be integrally formed.
  • another embodiment of the present invention provides an experimental bench, in which a screw rod front support seat 211 is provided in the front of the base 10, and a screw rod rear support seat 212 is provided at the rear of the base 10. 21 is bridged between the front support seat 211 of the screw rod and the rear support seat 212 of the screw rod.
  • the screw rod 21 is provided with a screw slider 213, the moving plate 22 is arranged above the screw slider 213, and the front screw rod support seat 211 A rotating operation part 214 for driving the screw rod 21 to rotate is provided on it.
  • the rotation operation part 214 is used to drive the screw 21 to rotate.
  • the screw 21 is bridged between the front support seat 211 and the rear support seat 212.
  • the screw slider 213 will move back and forth along the screw rod 21 so as to drive the moving plate 22 to move back and forth.
  • another embodiment of the present invention provides an experimental bench, in which the rotation operating portion 214 includes a turntable 2141 for driving the screw 21 to rotate, and the front end of the screw 21 is connected to the center of the turntable 2141 ,
  • the turntable 2141 is also provided with a handle 2142 for human hands to hold.
  • the setting of the turntable 2141 and the handle portion 2142 is convenient for the user to operate, and drives the screw 21 to rotate, so as to realize the adjustment of the support angle of the desktop 30.
  • another embodiment of the present invention provides an experimental platform, which further includes an optical axis assembly 25 arranged on both sides of the screw 21, the optical axis assembly 25 includes an optical axis parallel to the screw 21 251, the optical axis front support seat 252, the optical axis rear support seat 253 and the optical axis slider 254 located on the optical axis 251, the optical axis 251 bridges between the optical axis front support seat 252 and the optical axis rear support seat 253.
  • the shaft slider 254 supports the bottom surface of the moving plate 22.
  • the movable plate 22 needs to be set wider accordingly.
  • the optical axis assembly 25 is provided on both sides of the screw 21. When the movable plate 22 moves back and forth, the optical axis slider 254 will also It moves back and forth along the optical axis 251 to ensure that the moving plate 22 is balanced in force.
  • the optical axis assembly 25 can be provided on only one side of the screw rod 21 to simplify the structure.
  • another embodiment of the present invention provides an experiment table, in which a table top 30 is hinged on a support block 11 through a hinge 31.
  • one end of the hinge 31 is connected to the desktop 30, and the other end is connected to the supporting block 11, thereby providing a hinge so that the desktop 30 can rotate.
  • another embodiment of the present invention provides an experimental bench, which further includes an angle measuring instrument 40, the angle measuring instrument 40 includes a first scale 41 arranged on the support block 11 and arranged on The second scale 42 on the desktop 30.
  • the angle measuring instrument 40 by setting the angle measuring instrument 40, the inclination angle of the desktop 30 can be measured in real time, and the first scale 41 and the second scale 42 can cooperate to form a micrometer scale to improve the accuracy of angle measurement.
  • the first scale 41 has an arc-shaped angle scale, and the axis of the angle scale coincides with the axis of the hinge 31; the second scale 42 also has an arc-shaped angle scale, the second The scale 42 rotates following the table top 30.
  • another embodiment of the present invention provides an experimental bench, in which the second scale 42 is fixed on one side of the desktop 30 through a connecting frame 43, and the connecting frame 43 is provided with a connection frame for connecting with the desktop 30.
  • another embodiment of the present invention provides a test bench, wherein the movable plate 22 is also provided with a support block 231 for adjusting the support height of the roller 23, the roller 23 is installed above the support block 231 .
  • the support pads 231 of different heights can be replaced to make the roller 23 have different support heights, so that the adjustment range of the tilt angle of the desktop 30 is changed.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

L'invention concerne une table d'expérience, comprenant une base (10), un bloc de support (11) disposé à l'arrière de la base (10), un ensemble de support mobile disposé sur la base (10), et un plateau de table pliant (30), le plateau de table (30) est disposé au-dessus de l'ensemble de support mobile, et la partie arrière du plateau de table (30) est articulée sur le bloc de support (11) ; l'ensemble de support mobile comprend une vis-mère (21) disposée sur la base (10) dans la direction avant-arrière, une plaque mobile (22) se déplaçant vers l'avant et vers l'arrière sous l'effet de la rotation de la vis-mère (21), et un rouleau (23) disposée sur la plaque mobile (22) ; la partie arrière du plateau de table (30) est articulée sur le bloc de support (11), la vis-mère (21) est ensuite configurée pour entraîner la plaque mobile (22) pour se déplacer vers l'avant et vers l'arrière, le rouleau (23) sur la plaque mobile (22) se déplacent également vers l'avant et vers l'arrière conjointement avec la plaque mobile, et les positions où le rouleau (23) supporte le plateau de table (30) sont différentes, de telle sorte que les angles d'inclinaison du plateau de table (30) sont différents ; et le réglage est obtenu au moyen de la vis-mère (21) de telle sorte qu'un réglage continu peut être obtenu sans déplacer manuellement le plateau de table (30), la capacité physique est conservée, et les angles d'inclinaison du plateau de table (30) peuvent être ajustés de manière commode et précise.
PCT/CN2020/078285 2019-08-13 2020-03-06 Table d'expérience Ceased WO2021027278A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910742645.5 2019-08-13
CN201910742645.5A CN110479398A (zh) 2019-08-13 2019-08-13 一种实验台

Publications (1)

Publication Number Publication Date
WO2021027278A1 true WO2021027278A1 (fr) 2021-02-18

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Application Number Title Priority Date Filing Date
PCT/CN2020/078285 Ceased WO2021027278A1 (fr) 2019-08-13 2020-03-06 Table d'expérience

Country Status (2)

Country Link
CN (1) CN110479398A (fr)
WO (1) WO2021027278A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120791703A (zh) * 2025-08-11 2025-10-17 中国第一重型机械股份公司 一种大尺寸薄板的工装平台

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110479398A (zh) * 2019-08-13 2019-11-22 五邑大学 一种实验台
CN111760606A (zh) * 2020-07-17 2020-10-13 安徽省厨桥调味食品有限公司 一种食用油检测用净化工作台
CN113647746A (zh) * 2021-08-18 2021-11-16 浙江昇禾节能环保设备有限公司 一种可多角度调节升降桌

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CN206567823U (zh) * 2017-02-16 2017-10-20 武汉巨合科技有限公司 一种倾斜可调式回转工作台
CN110479398A (zh) * 2019-08-13 2019-11-22 五邑大学 一种实验台

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US9138051B2 (en) * 2014-02-12 2015-09-22 Oasyschair Co., Ltd. Desk structure with adjustable angle
CN203952937U (zh) * 2014-06-25 2014-11-26 长春理工大学 手动自动一体化多功能绘图课桌
CN204048665U (zh) * 2014-09-15 2014-12-31 成都大学 一种多功能课桌
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CN106256293B (zh) * 2016-08-31 2019-04-02 浙江安吉护童家具有限公司 可无极调节的桌面板角度升降器及学习桌
KR200488179Y1 (ko) * 2017-02-27 2018-12-24 주식회사 퍼시스 데스크
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KR101097179B1 (ko) * 2010-09-27 2011-12-21 조성욱 실험실습대
CN203862279U (zh) * 2014-02-19 2014-10-08 马国林 一种物理实验台
CN206567823U (zh) * 2017-02-16 2017-10-20 武汉巨合科技有限公司 一种倾斜可调式回转工作台
CN110479398A (zh) * 2019-08-13 2019-11-22 五邑大学 一种实验台

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120791703A (zh) * 2025-08-11 2025-10-17 中国第一重型机械股份公司 一种大尺寸薄板的工装平台

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