CN104824984A - Study desk capable of automatically adjusting desktop angle and height - Google Patents

Study desk capable of automatically adjusting desktop angle and height Download PDF

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Publication number
CN104824984A
CN104824984A CN201510206695.3A CN201510206695A CN104824984A CN 104824984 A CN104824984 A CN 104824984A CN 201510206695 A CN201510206695 A CN 201510206695A CN 104824984 A CN104824984 A CN 104824984A
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CN
China
Prior art keywords
desktop
height
study
chute
supporter
Prior art date
Application number
CN201510206695.3A
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Chinese (zh)
Inventor
寇路路
秦慧斌
张瑞廷
姚国强
夏新苗
Original Assignee
中北大学
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 中北大学 filed Critical 中北大学
Priority to CN201510206695.3A priority Critical patent/CN104824984A/en
Publication of CN104824984A publication Critical patent/CN104824984A/en

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Abstract

The invention belongs to the technical field of student study desks, and particularly relates to a study desk capable of automatically adjusting desktop angle and height. The study desk adopts the technical scheme that the study desk consists of three parts, i.e., a desktop fine adjusting mechanism, two lifting mechanisms and an adjusting control module, wherein the desktop fine adjusting mechanism is arranged on the lifting mechanisms; the adjusting control module is arranged under the lifting mechanisms, is positioned on one plane together with a bottom plate, and is positioned between two slide groove table legs. The study desk capable of automatically adjusting the desktop angle and height has the advantages that the positive rotating and reverse rotating can be realized, so as to lift the desktop; compared with the prior art, the structure is simple, the safety property is high, the performance-price ratio is high, the market prospect is broad, and the study desk is suitable for common primary and secondary school students.

Description

A kind of study table that automatically can regulate tabletop angles and height
Technical field
The invention belongs to Students ' Learning table technical field, be specifically related to a kind of study table that automatically can regulate tabletop angles and height.
Background technology
Study table is the necessity of the daily study of students in middle and primary schools.Students in middle and primary schools' height constantly increases, common not liftable Students ' Learning table can not be adapted to the ever-increasing student of height, and the desktop of common study table great majority be level fix, in use, must books etc. be put on the table, bow and write, very easily cause when reading a book myopia, LBB to be out of shape, cause cervical spondylopathy etc., if and student changes the study table of oneself height section applicable not in time, also the abnormal sitting posture of student can be caused true, myopia, the problems such as hunchback.Serious consequence is brought to later growth.Study table at present on the market for student's use is little, and great majority are also manual lifting and manual tabletop angles study table, use waste time and energy for student; Even if having the study table that automatically can regulate tabletop angles and height function, be also complex structure, cost is high, is unfavorable for applying.
Such as, application number is the automatic lifting table of 201220345107.6, its elevating mechanism comprises fixed mount, screw mandrel, gear train and provides power-actuated motor to form, drive link vertical with two screw mandrels is respectively provided with between two elevating mechanisms, drive link is connected with the gear train of two elevating mechanisms respectively, motor is driven through the wherein connected screw mandrel of a gear set drive and rotates, drive drive link to rotarily drive another gear train to rotate simultaneously, thus drive another screw mandrel synchronous rotary, thus realize elevating function.But the heavier parts such as the motor of this same table, gear train, drive link, screw mandrel are together elevated with desktop, center of gravity can be made like this to move up and down with same table lifting, cause the instability of desktop.
Application number is the one office automatic lifting table of 201120028281.7, and its elevating mechanism comprises turbine variable-speed dynamic mechanism, screw pair elevating mechanism.Turbine variable-speed dynamic mechanism comprises worm screw head motor, motor fixing seat, plastics turbine, main shaft, main synchronizing wheel, rolling bearing and chassis lid, worm screw head motor is fixed on the downside of crossbeam by motor fixing seat, main shaft is fixedly connected with on the downside of crossbeam by rolling bearing, be fixed with by a worm screw motor-driven plastics turbine in the lower end of main shaft, main shaft upper end on the upside of crossbeam is fixed with main synchronizing wheel, and main synchronizing wheel drives the synchronizing wheel on described screw pair elevating mechanism to rotate by synchrome conveying belt.Linked by synchrome conveying belt between screw pair elevating mechanism in its turbine variable-speed dynamic mechanism and each pin, pass through synchrome conveying belt, turbine variable-speed dynamic mechanism drives the screw pair elevating mechanism oscilaltion simultaneously in each pin, drives the desktop in table frame to rise or certain height that declines.This office automatic lifting table complex structure, involves great expense, and is not suitable in the raw use of regular primary and secondary schools.
Application number is the desktop angle adjusting device of 201020171762.5, and its control lever one end is provided with maintenance block, and the other end is fixed on the below of desktop by stator.Support bar offers one with chute, its maintenance block and any one the counterbore phase buckle in chute of several counterbores.This desktop angle adjusting device is hand, user operate time need waste time and energy, easily jam a finger, and fixed block can only with counterbore buckle, can only regulate by the angle set with regard to limiting desktop like this, continuous angular adjustment can not be realized.
Application number is a kind of multifunctional desk of 201410213189.2, and its lifting part utilizes worm-and-wheel gear and pinion and rack, and point upper lower table leg, internal structure is complicated.Its desktop angle adjusting device is hand, regulates to get up to waste time and energy.
Summary of the invention
The object of the invention is for solving the problems of the technologies described above, and provide a kind of structure simple, easy to use, security is high, student can table top height adjusting and angle freely as required, is conducive to the study table that automatically can regulate tabletop angles and height of the pre-myopia prevention of student and good sitting position.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Automatically can regulate a study table for tabletop angles and height, be made up of desktop micro-adjusting mechanism, two elevating mechanisms and regulable control module three part; Described desktop micro-adjusting mechanism is arranged on above elevating mechanism, and described regulable control module installation is below elevating mechanism and be a plane with base plate, and between two chute table legs.
Described desktop micro-adjusting mechanism is made up of V-type desktop 6, upper hinge 3, two chutes 4, two slide blocks 5, two support bars 7 of 2, two, table top supporter 1, two lower jaws, drive link 8, push-rod electric machine 9, two push-rod electric machine fixed mounts 10; Described two lower jaws 2 are by the screw symmetrical two ends, left and right be fixed on above table top supporter 1 respectively, and be positioned at lower end, described two upper hinges 3 are fixed on the bottom surface of desktop 6 by screw is symmetrical respectively, described two chute 4 symmetries are fixed on the two ends on table top supporter 1, described two slide blocks 5 are movably arranged on respectively in two chutes 4 and slide, and form moving sets; The lower end of described two support bars 7 and two slide blocks 5 are respectively by the chain connection of slide block 5, form revolute pair, the upper end of described two support bars 7 respectively with reverse V-shaped desktop 6 bottom two chain connections, form revolute pair, described push-rod electric machine 9 is fixed on above table top supporter 1 by two push-rod electric machine fixed mounts 10, and be positioned at the centre of table top supporter 1, the two ends of described drive link 8 are fixedly connected with two slide blocks 5 respectively, and the mid portion of drive link 8 is fixedly connected with the expansion link of push-rod electric machine 9.
Described elevating mechanism is made up of upper flange seat 11, splined shaft support column 12, limit switch 13, chute table leg 14, lower flange seat 15, base 16, base plate 17, trapezoidal thread nut 18, trapezoidal thread screw mandrel 19, clamped-in style shaft coupling 20, minisize dc servomotor 21, described base 16 is fixedly installed on base plate 17, described lower flange seat 15 is fixedly installed on base 16 by screw, described minisize dc servomotor 21 is fixedly installed on the inside of base 16, and on the rotating shaft protuberate basic unit 16 of described minisize dc servomotor 21, one end of described clamped-in style shaft coupling 20 is connected with the rotating shaft of minisize dc servomotor 21, the other end of described clamped-in style shaft coupling 20 is connected with one end of trapezoidal thread screw mandrel 19, described upper flange seat 11 is fixedly installed on the bottom surface of table top supporter 1 by screw, described splined shaft support column 12 is fixedly connected with upper flange seat 11, described trapezoidal thread nut 18 is fixedly set in the bottom of splined shaft support column 12, described trapezoidal thread nut 18 is flexibly connected with the other end of trapezoidal thread screw mandrel 19, the lower end of described chute table leg 14 is fixedly connected with lower flange seat 15, described splined shaft support column 12 is connected with the slide in chute table leg 14 by the spline of splined shaft support column 12, described limit switch 13 is fixedly mounted on chute table leg 14, and be positioned at upper inner face.
Described regulable control module is by tabletop angles by-pass cock 22, and control cabinet 23 forms; Described tabletop angles by-pass cock 22 is arranged on above control cabinet 23.
The study table that automatically can regulate tabletop angles and height of the present invention, can simultaneously rotating, realizes the lifting of desktop.Therefore, compared with prior art, it is simple that the present invention has structure, and security is high, and cost performance is high, wide market, is applicable to the advantages such as the raw use of regular primary and secondary schools.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is desktop micro-adjusting mechanism structural representation
Fig. 3 is desktop micro-adjusting mechanism interior details figure
Fig. 4 is desktop micro-adjusting mechanism right view
Fig. 5 is the structural representation of slide block;
Fig. 6 is elevating mechanism structural representation
Fig. 7 is elevating mechanism interior details figure
Fig. 8 is the structural representation of splined shaft support column
Fig. 9 is chute table leg sectional view
Figure 10 is regulable control modular structure schematic diagram
Detailed description of the invention
As shown in Figure 1, a kind of study table that automatically can regulate tabletop angles and height of the present embodiment, is made up of desktop micro-adjusting mechanism, two elevating mechanisms and regulable control module three part; Described desktop micro-adjusting mechanism is arranged on above elevating mechanism, and described regulable control module installation is below elevating mechanism and be a plane with base plate, and between two chute table legs.
As shown in Figures 2 to 5, described desktop micro-adjusting mechanism is made up of V-type desktop 6, upper hinge 3, two chutes 4, two slide blocks 5, two support bars 7 of 2, two, table top supporter 1, two lower jaws, drive link 8, push-rod electric machine 9, two push-rod electric machine fixed mounts 10; Described two lower jaws 2 are by the screw symmetrical two ends, left and right be fixed on above table top supporter 1 respectively, and be positioned at lower end, described two upper hinges 3 are fixed on the bottom surface of desktop 6 by screw is symmetrical respectively, described two chute 4 symmetries are fixed on the two ends on table top supporter 1, described two slide blocks 5 are movably arranged on respectively in two chutes 4 and slide, and form moving sets; The lower end of described two support bars 7 and two slide blocks 5 are respectively by the chain connection of slide block 5, form revolute pair, the upper end of described two support bars 7 respectively with reverse V-shaped desktop 6 bottom two chain connections, form revolute pair, described push-rod electric machine 9 is fixed on above table top supporter 1 by two push-rod electric machine fixed mounts 10, and be positioned at the centre of table top supporter 1, the two ends of described drive link 8 are fixedly connected with two slide blocks 5 respectively, and the mid portion of drive link 8 is fixedly connected with the expansion link of push-rod electric machine 9.
As shown in Figures 6 to 9, described elevating mechanism is made up of upper flange seat 11, splined shaft support column 12, limit switch 13, chute table leg 14, lower flange seat 15, base 16, base plate 17, trapezoidal thread nut 18, trapezoidal thread screw mandrel 19, clamped-in style shaft coupling 20, minisize dc servomotor 21, described base 16 is fixedly installed on base plate 17, described lower flange seat 15 is fixedly installed on base 16 by screw, described minisize dc servomotor 21 is fixedly installed on the inside of base 16, and on the rotating shaft protuberate basic unit 16 of described minisize dc servomotor 21, one end of described clamped-in style shaft coupling 20 is connected with the rotating shaft of minisize dc servomotor 21, the other end of described clamped-in style shaft coupling 20 is connected with one end of trapezoidal thread screw mandrel 19, described upper flange seat 11 is fixedly installed on the bottom surface of table top supporter 1 by screw, described splined shaft support column 12 is fixedly connected with upper flange seat 11, described trapezoidal thread nut 18 is fixedly set in the bottom of splined shaft support column 12, described trapezoidal thread nut 18 is flexibly connected with the other end of trapezoidal thread screw mandrel 19, the lower end of described chute table leg 14 is fixedly connected with lower flange seat 15, described splined shaft support column 12 is connected with the slide in chute table leg 14 by the spline of splined shaft support column 12, to strengthen study table resistance to overturning, described limit switch 13 is fixedly mounted on chute table leg 14, and be positioned at upper inner face, in order to control the scope of desktop lifting.
As shown in Figure 10, described regulable control module is by tabletop angles by-pass cock 22, and control cabinet 23 forms; Described tabletop angles by-pass cock 22 is arranged on above control cabinet 23.
The course of work of the present invention and principle: when needs promote tabletop angles, the shortening button "-" of tabletop angles by-pass cock 22 is only needed to press, now the expansion link of push-rod electric machine 9 shortens, drive link 8 is driven to move backward, the two ends of drive link 8 connect two slide blocks 5 respectively, drive link 8 moves backward, thus drive two slide blocks 5 to slide backward in two chutes 4 respectively, one end of chain connection support bar 7 on slide block 5, chain connection support bar 7 other end of desktop bottom surface simultaneously, so when slide block 5 moves backward, support bar 7 is by the hinge of the hinge on slide block 5 and desktop 6 bottom surface, drive tabletop angles promotes, when not having that a button is pressed, push-rod electric machine 9 does not work, be in self-locking state, tabletop angles is constant.When needs reduce tabletop angles, only the elongation button "+" of tabletop angles by-pass cock 22 need be pressed, now the expansion link of push-rod electric machine 9 extends, drive link 8 is driven to travel forward, drive link 8 drives two slide blocks 5 to travel forward in two chutes 4 respectively, and slide block 5 drives tabletop angles to decline by support bar 7.When the fixing tabletop angles of needs, only need ensure that a button is pressed, now push-rod electric machine 9 is in self-locking state, and slide block 5 can not move, thus realizes the fixing of tabletop angles.
When needs lifting tabletops height, only need press start key on control cabinet 23 " ", minisize dc servomotor 21 is main story simultaneously, described minisize dc servomotor 21 drives the rotating forward of trapezoidal thread screw mandrel 19 by clamped-in style shaft coupling 20, described trapezoidal thread nut 18 and described splined shaft support column 12, upper flange seat 11 welds together, described upper flange seat 11 is fixed on table top supporter 1, described trapezoidal thread nut 18 can not realize rotating, so trapezoidal thread nut 18 can do ascending motion on trapezoidal thread screw mandrel 19, thus realize the rising of desktop, when being elevated to correct position, press the stop key " ■ " on control cabinet 23, desktop remains static, when needs reduce height of table top, only need again press start key on control cabinet 23 " ", two minisize dc servomotors 21 reverse simultaneously, described minisize dc servomotor 21 drives the reversion of trapezoidal thread screw mandrel 19 by clamped-in style shaft coupling 20, splined shaft support column 12 and trapezoidal thread nut 18, upper flange seat 11 welds together, upper flange seat 11 is fixed on table top supporter 1, trapezoidal thread nut 18 can not realize rotating, so trapezoidal thread nut 18 by doing descending motion on trapezoidal thread screw mandrel 19, thus realize the decline of desktop, when dropping to correct position, press the stop key " ■ " on control cabinet 23, desktop remains static.Limit switch 13 controls the range of desktop.

Claims (4)

1. automatically can regulate a study table for tabletop angles and height, it is characterized in that: be made up of desktop micro-adjusting mechanism, two elevating mechanisms and regulable control module three part; Described desktop micro-adjusting mechanism is arranged on above elevating mechanism, and described regulable control module installation is below elevating mechanism and be a plane with base plate, and between two chute table legs.
2. a kind of study table that automatically can regulate tabletop angles and height according to claim 1, is characterized in that: described desktop micro-adjusting mechanism is made up of V-type desktop (6), table top supporter (1), two lower jaws (2), two upper hinges (3), two chutes (4), two slide blocks (5), two support bars (7), drive link (8), push-rod electric machine (9), two push-rod electric machine fixed mounts (10), described two lower jaws (2) are by the screw symmetrical two ends, left and right be fixed on above table top supporter 1 respectively, and be positioned at lower end, described two upper hinges (3) by screw respectively symmetry be fixed on the bottom surface of desktop (6), described two chute (4) symmetries are fixed on the two ends on table top supporter (1), described two slide blocks (5) are movably arranged on respectively in two chutes (4) and slide, and form moving sets, the lower end of described two support bars (7) and two slide blocks (5) are respectively by the chain connection of slide block (5), form revolute pair, the upper end of described two support bars (7) respectively with two chain connections of reverse V-shaped desktop (6) bottom, form revolute pair, described push-rod electric machine (9) is fixed on above table top supporter (1) by two push-rod electric machine fixed mounts (10), and be positioned at the centre of table top supporter (1), the two ends of described drive link 8 are fixedly connected with two slide blocks 5 respectively, the mid portion of drive link (8) is fixedly connected with the expansion link of push-rod electric machine (9).
3. a kind of study table that automatically can regulate tabletop angles and height according to claim 1, is characterized in that: described elevating mechanism is made up of upper flange seat (11), splined shaft support column (12), limit switch (13), chute table leg (14), lower flange seat (15), base (16), base plate (17), trapezoidal thread nut (18), trapezoidal thread screw mandrel (19), clamped-in style shaft coupling (20), minisize dc servomotor (21); described base (16) is fixedly installed on base plate (17), described lower flange seat (15) is fixedly installed on base (16) by screw, described minisize dc servomotor (21) is fixedly installed on the inside of base (16), and on the rotating shaft protuberate basic unit (16) of described minisize dc servomotor (21), one end of described clamped-in style shaft coupling (20) is connected with the rotating shaft of minisize dc servomotor (21), the other end of described clamped-in style shaft coupling (20) is connected with one end of trapezoidal thread screw mandrel (19), described upper flange seat (11) is fixedly installed on the bottom surface of table top supporter (1) by screw, described splined shaft support column (12) is fixedly connected with upper flange seat (11), described trapezoidal thread nut (18) is fixedly set in the bottom of splined shaft support column (12), described trapezoidal thread nut (18) is flexibly connected with the other end of trapezoidal thread screw mandrel (19), the lower end of described chute table leg (14) is fixedly connected with lower flange seat (15), described splined shaft support column (12) is connected with the slide in chute table leg (14) by the spline of splined shaft support column (12), described limit switch (13) is fixedly mounted on chute table leg (14), and be positioned at upper inner face.
4. a kind of study table that automatically can regulate tabletop angles and height according to claim 1, is characterized in that: described regulable control module is by tabletop angles by-pass cock (22), and control cabinet (23) forms; Described tabletop angles by-pass cock (22) is arranged on above control cabinet (23).
CN201510206695.3A 2015-04-27 2015-04-27 Study desk capable of automatically adjusting desktop angle and height CN104824984A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106181360A (en) * 2016-07-18 2016-12-07 湖南千山制药机械股份有限公司 The assemble method of butterfly wing type blood taking needle
CN106217029A (en) * 2016-07-18 2016-12-14 湖南千山制药机械股份有限公司 Butterfly wing type blood taking needle assemble method
CN107173900A (en) * 2017-08-03 2017-09-19 合肥梵清电子商务有限公司 A kind of clothes processing supporting table
CN107343713A (en) * 2017-07-31 2017-11-14 合肥隆延科技有限公司 A kind of intelligent shoe cabinet of adjustable space
CN107692553A (en) * 2017-11-29 2018-02-16 吴咏翰 A kind of adjustable multifunction desk of tabletop angles
CN109315924A (en) * 2018-10-24 2019-02-12 林骏伟 A kind of height and the self-adjustable intelligent table of angle
CN111248624A (en) * 2020-03-09 2020-06-09 山东理工职业学院 Teaching platform

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946510A1 (en) * 2009-06-11 2010-12-17 Delagrave School table for use in classroom, has fixing unit comprising stud that is received in reception housing so that walls of stud are in surface contact with walls of housing, where fixing unit fixes table top support on leg assembly
CN203913965U (en) * 2014-06-19 2014-11-05 赵英妤 Multifunctional drawing desk
CN203913870U (en) * 2014-03-31 2014-11-05 常州英耐尔电子有限公司 A kind of liftable desk
CN104352071A (en) * 2014-10-17 2015-02-18 厦门大学 Multifunctional intelligent drawing table
CN204599807U (en) * 2015-04-27 2015-09-02 中北大学 A kind of study table that automatically can regulate tabletop angles and height

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946510A1 (en) * 2009-06-11 2010-12-17 Delagrave School table for use in classroom, has fixing unit comprising stud that is received in reception housing so that walls of stud are in surface contact with walls of housing, where fixing unit fixes table top support on leg assembly
CN203913870U (en) * 2014-03-31 2014-11-05 常州英耐尔电子有限公司 A kind of liftable desk
CN203913965U (en) * 2014-06-19 2014-11-05 赵英妤 Multifunctional drawing desk
CN104352071A (en) * 2014-10-17 2015-02-18 厦门大学 Multifunctional intelligent drawing table
CN204599807U (en) * 2015-04-27 2015-09-02 中北大学 A kind of study table that automatically can regulate tabletop angles and height

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106181360A (en) * 2016-07-18 2016-12-07 湖南千山制药机械股份有限公司 The assemble method of butterfly wing type blood taking needle
CN106217029A (en) * 2016-07-18 2016-12-14 湖南千山制药机械股份有限公司 Butterfly wing type blood taking needle assemble method
CN107343713A (en) * 2017-07-31 2017-11-14 合肥隆延科技有限公司 A kind of intelligent shoe cabinet of adjustable space
CN107173900A (en) * 2017-08-03 2017-09-19 合肥梵清电子商务有限公司 A kind of clothes processing supporting table
CN107173900B (en) * 2017-08-03 2019-06-04 湖南金琢玛制衣有限公司 Supporting table is used in a kind of processing of clothes
CN107692553A (en) * 2017-11-29 2018-02-16 吴咏翰 A kind of adjustable multifunction desk of tabletop angles
CN109315924A (en) * 2018-10-24 2019-02-12 林骏伟 A kind of height and the self-adjustable intelligent table of angle
CN111248624A (en) * 2020-03-09 2020-06-09 山东理工职业学院 Teaching platform

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Application publication date: 20150812