CN107048694A - The autonomous lifting desk of library users - Google Patents

The autonomous lifting desk of library users Download PDF

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Publication number
CN107048694A
CN107048694A CN201710224048.4A CN201710224048A CN107048694A CN 107048694 A CN107048694 A CN 107048694A CN 201710224048 A CN201710224048 A CN 201710224048A CN 107048694 A CN107048694 A CN 107048694A
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CN
China
Prior art keywords
guide groove
pole
desktop
rack
behind
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Withdrawn
Application number
CN201710224048.4A
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Chinese (zh)
Inventor
戴宁
刘虹
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Jiangsu Institute of Architectural Technology
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Jiangsu Institute of Architectural Technology
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Application filed by Jiangsu Institute of Architectural Technology filed Critical Jiangsu Institute of Architectural Technology
Priority to CN201710224048.4A priority Critical patent/CN107048694A/en
Publication of CN107048694A publication Critical patent/CN107048694A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/02—Underframes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • A47B9/16—Tables with tops of variable height with means for, or adapted for, inclining the legs of the table for varying the height of the top, e.g. with adjustable cross legs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0011—Underframes
    • A47B2200/002—Legs

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  • Combinations Of Kitchen Furniture (AREA)

Abstract

The present invention announces a kind of autonomous lifting desk of library users, belongs to field of furniture.The support of right X-type and the support of left X-type of title relative to each other including desktop and installed in desktop both sides；Height adjustment mechanism is respectively equipped between right X-type support and left X-type support upper end side and desktop.Reader can be according to the height that desktop is adjusted the need for oneself, if the pitch of left and right helical rack is below desktopP, change a pitch along the distance between former and later two fulcrums of helical rack center line direction, when height of table top is lifted between the minimum and maximum, the response of the mean change amount of height of table top to a pitch variation amount is 0.885P, such degree of regulation fully meets the demand of user, and desktop left and right sides respectively has the button of autonomous table top height adjusting, as long as button press can carry out self-control height of table top, as long as the height of release button desktop is determined that.

Description

The autonomous lifting desk of library users
Technical field
The present invention relates to field of furniture, specifically a kind of autonomous lifting desk of library users.
Background technology
Library is the paradise of scholar, no matter the high learning region that library is crowded with short, boy student and schoolgirl, individual study table is usually Have no empty seat, librarian, which makes an inspection tour, to be found, present individual study table is sustained height, this is the relative simplicity based on manufacture with using field The need for the overall aesthetic of conjunction, student is not identical height, and this is the phenomenon of gene and natural selection, then, relative to The higher student of individual study table is for a long time in reading of bending over writing, and the student shorter relative to individual study table raises oneself for a long time Both arms are in reading with writing, and this is that ruler measured proprietary inevitable outcome with same, and this aspect is unfavorable for all Life can pleasantly learn for a long time, and on the other hand also the bone of student, which can be produced, poorly influences, while being also unfavorable for training Support the creativity consciousness of student.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of autonomous lifting desk of library users, reader can basis The height of desktop is adjusted the need for oneself.
The present invention is achieved through the following technical solutions：A kind of autonomous lifting desk of library users, including desktop and Installed in the support of right X-type and the support of left X-type of the title relative to each other of desktop both sides；The right X-type support includes being fixed on desktop Under upper right beam, and the bottom right beam below the upper right beam with upper right Liangping row；It is connected between the upper right beam and bottom right beam Hinged right first pole and right second pole in X-type in middle part；The right second pole upper end is hinged on after upper right beam End, right second pole lower end is hinged with bottom right sliding block；The bottom right beam front end is provided with one section of bottom right beam guide groove, the bottom right sliding block It is slidably mounted in the beam guide groove of bottom right；The right first pole lower end is hinged on bottom right beam rear end, and right first pole upper end is hinged There is right rack slide；The upper right beam front end is provided with one section of upper right beam guide groove, and the right rack slide is located in upper right beam guide groove, Height adjustment mechanism is installed between right rack slide and upper right beam guide groove；The height adjustment mechanism includes being fixed on upper right It is fixed with the downside of right rack frame in beam in upper right beam guide groove, right rack frame upper side frame on rack, the right rack slide End face is fixed with the tooth that a row is engaged with right rack frame rack；Right rack slide end face outside is provided with a right knob and led Groove, is sequentially provided with right back-moving spring and right knob outside interior in right knob guide groove, right back-moving spring two ends are connected to the right side On knob guide groove bottom and right knob inner face；One, which is provided with, on the upside of the right knob guide groove is communicated to right rack slide upper surface Right push rod guide groove, be hinged with right push rod on the right knob, right push rod upper end is against upper right beam after passing through right push rod guide groove On guide groove.
It is further：Precalculated position is provided with the right absolute altitude groove of a desktop above the right rack frame；The right tooth Bar sliding block lateral surface is fixed with a right demarcate bar.
The bottom right beam two ends are fixed with rubber cushion blocks and rubber cushion blocks behind the right side before the right side；After the right preceding rubber cushion blocks and the right side Rubber cushion blocks are Nian Jie with bottom right beam by seccotine.
The right second pole upper end is connected with upper pin behind the right side；Rotatably it is cased with behind the right side on upper pin behind a right side Set；Right rear enclosure uses polytetrafluoroethylmaterial material, and right rear enclosure is connected with the rear end interference of upper right beam；Also set on upper pin behind the right side Have for right second pole and right rear enclosure to be positioned at behind the right side into upper back-up ring after right on upper pin；
It is rotatably connected, is covered before the right side on lower bearing pin by lower bearing pin before a right side between right second pole lower end and bottom right sliding block Trapped before having the right side being located between right second pole and bottom right sliding block；Right front lower end part of pin shaft is provided with that be used for will be right second Bar is positioned at before the right side the right front lower back-up ring on lower bearing pin.
The right first pole lower end is connected with lower bearing pin behind the right side；Rotatably it is cased with behind the right side on lower bearing pin behind a right side Trap, trap and be connected with bottom right beam rear end interference behind the right side；Trapped after being additionally provided with behind the right side on lower bearing pin for by the right side and the right side First pole is positioned at behind the right side lower back-up ring behind the right side on lower bearing pin；Pass through one between right first pole upper end and right rack slide Upper pin is rotatably connected before right, and upper pin end, which is provided with, before the right side is used to right first pole and right rack slide being positioned at the right side Upper back-up ring before the right side on preceding upper pin.
The right demarcate bar is arranged on right preceding upper pin outer end；Right positioning is provided between right demarcate bar and right rack slide Pin；Right demarcate bar upper end is provided with pointer, when the right absolute altitude groove on the pointer alignment desktop in the right demarcate bar, desktop It is highly the altitude datum of design.
The right rack frame is fixed in upper right beam outer end position in upper right beam guide groove, right rack frame inwall and upper right Beam guide groove inner surface is concordant；Right rack frame inwall rear and front end is connected by right horizontal wood screw and upper right beam guide groove rear and front end Connect.
The present invention can according to the height that desktop is adjusted the need for oneself, if below desktop left and right sides helical rack pitch ForP, change a pitch along the distance between former and later two fulcrums of helical rack center line direction, height of table top is in maximum and most When being lifted between small value, the response of the mean change amount of height of table top to a pitch variation amount is 0.885P, such regulation Precision fully meets the demand of user；What the reader that the present invention solves different height was come using sustained height individual study table subband Uncomfortable problem, meets the psychological needs of reader, the service personalized to reader also has been implemented into crucial point, while also being adopted for reader The practical problem solved with the method for theory of mechanisms in real world provides cases' leading.
Brief description of the drawings
Fig. 1 is the front view that desktop of the present invention is preferably minimized position；
Fig. 2 is the front view that desktop of the present invention is raised to optional position；
Fig. 3 is the rearview that desktop of the present invention is preferably minimized position；
Fig. 4 is the rearview that desktop of the present invention is raised to optional position；
Fig. 5 is the left view that desktop of the present invention is raised to optional position；
Fig. 6 is right preceding upper pin junction A-A sectional views in Fig. 1；
Fig. 7 is B-B-section figure of right preceding upper pin junction height of table top non-regulated state in Fig. 1；
Fig. 8 is B-B-section figure of right preceding upper pin junction height of table top adjustment state in Fig. 1；
Fig. 9 is the front view of right rack slide；
Figure 10 is the left view of right rack slide；
Figure 11 is G-G sectional views in Fig. 9；
Figure 12 is the top view of right rack slide；
Figure 13 is right preceding lower bearing pin junction C-C sectional views in Fig. 1；
Figure 14 is lower bearing pin junction D-D sectional views behind the right side in Fig. 1；
Figure 15 is left front upper pin junction E-E sectional views in Fig. 3；
Figure 16 is the F-F sectional views of left push rod junction height of table top non-regulated state in Fig. 3；
Figure 17 is the F-F sectional views of left push rod junction height of table top adjustment state in Fig. 3.
In figure：Upper pin behind 1 right side；2 right rear enclosures；Upper back-up ring behind 3 right sides；4 upper right beams；5 middle bearing pins；6 middle aprons Circle；7 right horizontal wood screws；8 right rack frames；9 right longitudinal wood screws；10 right rack slides；11 desktops；On before 12 right sides Bearing pin；13 right preceding upper back-up rings；14 right push rods；15 right back-moving springs；16 right knobs；17 right preceding lower bearing pins；18 is right front lower Set；19 right front lower back-up rings；20 bottom right sliding blocks；21 right preceding rubber cushion blocks；22 bottom right beams；Rubber cushion blocks behind 23 right sides；24 is right Lower bearing pin afterwards；Trapped behind 25 right sides；Lower back-up ring behind 26 right sides；27 right first poles；28 right second poles；54 right demarcate bars；55 Right alignment pin；56 right push rod bearing pins；
29 left back upper pins；30 left back sets；31 left back upper back-up rings；32 upper left beams；33 left horizontal wood screws；34 left racks Framework；35 left longitudinal wood screws；36 left rack slides；37 left front upper pins；38 left front upper back-up rings；39 left push rods；40 Left back-moving spring；41 left knobs；42 left front lower bearing pins；43 left front trap；44 left front lower back-up rings；45 lower-left sliding blocks；46 Left front rubber cushion blocks；47 lower-left beams；48 left back rubber cushion blocks；49 left back lower bearing pins；50 left back trap；51 left back lower blocks Circle；52 left first poles；53 left second poles；57 left demarcate bars；58 left alignment pins；59 left push rod bearing pins.
Symbol in figure：L 1The right absolute altitude groove of desktop；L 2The left absolute altitude groove of desktop；C 1Bottom right beam guide groove；C 2Lower-left beam is led Groove；C 3Right push rod guide groove；C 4Right knob guide groove；C 5Upper right beam guide groove；C 6Left push rod guide groove；C 7Left knob guide groove；C 8It is left Upper beam guide groove；HHeight of table top；H 1Underframe is high；H 2X-type is high；H 3Upper frame is high；L zLength between the fulcrum of pole two.
Embodiment
The following is the specific embodiment of the present invention, in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figures 1 to 5, the autonomous lifting desk of a kind of library users, including desktop 11 and installed in 11 liang of desktop The support of right X-type and the support of left X-type of the title relative to each other of side；The support of right X-type is identical with left X-type supporting construction, operation principle with Operating process is consistent, and now only the support of right X-type is described extensively.
Right X-type support：
Upper right beam 4 is solid wood beam, and the front end of upper right beam 4 is provided with one section of upper right beam guide grooveC 5；Bottom right beam 22 is located at the lower section of upper right beam 4 simultaneously Parallel with upper right beam 4, the front end of bottom right beam 22 is provided with one section of bottom right beam guide grooveC 1.Right first pole 27 and the middle part of right second pole 28 Hinged, in X-type, right first pole 27 and right second pole 28 are connected between upper right beam 4 and bottom right beam 22.Bottom right beam 22 two ends are fixed with rubber cushion blocks 21 and rubber cushion blocks 23 behind the right side before the right side；Rubber cushion blocks 21 and rubber cushion blocks 23 behind the right side pass through before right Seccotine is be bonded with bottom right beam 22；
The right upper end of second pole 28 is connected with behind upper pin 1 behind the right side, the right side rotatable on upper pin 1 be cased with behind a right rear enclosure 2, the right side Upper pin 1 constitutes revolute pair with right rear enclosure 2；Right rear enclosure 2 uses polytetrafluoroethylmaterial material, right rear enclosure 2 and the hole of the rear end of upper right beam 4 Interference is connected；It is additionally provided with behind the right side on upper pin 1 for right second pole 28 and right rear enclosure 2 to be positioned at behind the right side on upper pin 1 Upper back-up ring 3 behind the right side.In conjunction with shown in Figure 13, the right lower end of second pole 28 is arranged on right preceding lower bearing pin 17 simultaneously with bottom right sliding block 20 Revolute pair is constituted, is trapped before being cased with the right side being located between right second pole 28 and bottom right sliding block 20 on lower bearing pin 17 before the right side 18, it is right before trap and 18 be used for axially position bottom right sliding block 20 and right second pole 28；The end of lower bearing pin 17 is provided with that be used for will before right Right second pole 28 is positioned at before the right side the right front lower back-up ring 19 on lower bearing pin 17；Bottom right sliding block 20 is slidably mounted on bottom right beam guide grooveC 1It is interior；
Again as shown in figure 14, the right lower end of first pole 27 is connected with behind lower bearing pin 24 behind the right side, the right side and is rotatably cased with lower bearing pin 24 Trap 25 behind one right side, it is right after trap and 25 be connected with the hole interference of the rear end of bottom right beam 22；25 are trapped behind the right side by lower bearing pin behind the right side 24 constitute revolute pair with bottom right beam 22, it is right after lower back-up ring 26 25 will be trapped behind the right side with right first pole 27 and being positioned at behind the right side lower pin On axle 24., can by upper pin 12 before a right side between the right upper end of first pole 27 and right rack slide 10 in conjunction with shown in Fig. 6 Rotation connection, right rack slide 10 constitutes revolute pair by upper pin before the right side 12 and right first pole 27, and right preceding upper back-up ring 13 will Right first pole 27 and right rack slide 10 are positioned at before the right side on upper pin 12；Right rack slide 10 is located at upper right beam guide grooveC 5 It is interior, in right rack slide 10 and upper right beam guide grooveC 5Between height adjustment mechanism is installed.
Height adjustment mechanism：
In conjunction with shown in Fig. 7, Fig. 8, right rack frame 8 is fixed on upper right beam guide groove in upper right beam 4C 5Interior outer position, right rack The inwall of framework 8 and upper right beam guide grooveC 5Inner surface is concordant, and rack is fixed with the downside of the right upper side frame of rack frame 8；Right rack frame 8 Inwall rear and front end passes through right horizontal wood screw 7 and upper right beam guide grooveC 5Rear and front end is fixedly connected.Right rack slide 10 is on the right side Upper beam guide grooveC 5Moved forward and backward with right rack frame 8, the outer side position in the right upper surface of rack slide 10 is provided with a row and right tooth The tooth that the rack of bar framework 8 is engaged；Under gravity, the tooth contact of the rack under right rack frame 8 and right rack slide 10, Engagement, keeps the stabilization of desk.In conjunction with shown in Fig. 9 to Figure 12, a right knob is provided with the right end face outside of rack slide 10 Guide grooveC 4, right knob guide grooveC 4It is interior that right back-moving spring 15 and right knob 16, the right two ends of back-moving spring 15 point are sequentially provided with outside interior Right knob guide groove is not connected toC 4On bottom and the inner face of right knob 16；Right knob guide grooveC 4Upside is provided with one and is communicated to right tooth The right push rod guide groove of the upper surface of bar sliding block 10C 3, right push rod 14 is hinged with by right push rod bearing pin 56 on right knob 16；On the right side Push rod guide grooveC 3There is one piece of projection the inner, and the right upper end of push rod 14 is inwardly rolled tiltedly, and the right upper end of push rod 14 passes through right push rod guide grooveC 3Afterwards It is against upper right beam guide grooveC 5With in projection.
Precalculated position on the right top upper right beam 4 of rack frame 8 is provided with the right absolute altitude groove of a desktopL 1；Right rack slide 10 lateral surfaces are provided with right demarcate bar 54, right demarcate bar 54 be arranged on it is right before on upper pin 12, right alignment pin 55 is by right demarcate bar 54 It is positioned on right rack slide 10；The right upper end of demarcate bar 54 is provided with pointer, when on the pointer alignment desktop 11 in right demarcate bar 54 Right absolute altitude grooveL 1When, the height of desktop 11 is the altitude datum of design.
With reference to Fig. 1 to Fig. 5, and shown in Figure 15 to Figure 17, left X-type support is identical with the structure that right X-type is supported, and its is specific Including：Left back upper pin 29, left back set 30, left back upper back-up ring 31, upper left beam 32, left horizontal wood screw 33, left rack frame 34, Left longitudinal wood screw 35, left rack slide 36, desktop 11, left front upper pin 37, left front upper back-up ring 38, left push rod 39 is left to reset Spring 40, left knob 41, left front lower bearing pin 42, left front 43, left front lower back-up ring 44, lower-left sliding block 45, left front rubber cushion blocks of trapping 46, lower-left beam 47, left back rubber cushion blocks 48, left back lower bearing pin 49 is left back to trap 50, left back lower back-up ring 51, left first pole 52, Left second pole 53, left demarcate bar 57, left alignment pin 58, left push rod bearing pin 59；The left absolute altitude groove of desktopL 2, lower-left beam guide grooveC 2 ,C 6Left push rod guide groove；C 7Left knob guide groove, upper left beam guide grooveC 8 。
The step-like mounting groove of side opening in upper right beam 4 and the upper end of upper left beam 32, the both sides of desktop 11, which coordinate, is put into upper right beam 4 In the mounting groove of upper left beam 32, upper right beam 4 and the surface of upper left beam 32 and the flush of desktop 11；Right longitudinal wood screw 9 is by the right side Upper beam 4 is fixedly connected with desktop 11, and upper left beam 32 is fixedly connected by left longitudinal wood screw 35 with desktop 11.The right side first It is made up of in the middle of pole 27 middle one end of bearing pin 5 and right second pole 28 and passes through centre in the middle of revolute pair, left first pole 52 The other end of bearing pin 5 constitutes revolute pair with left second pole 53, and middle back-up ring 6 will pass through middle bearing pin 5 in the middle of right first pole 27 One end is centrally positioned on bearing pin 5 with, right second pole 28, left first pole 52, left second pole 53.
Application method：
When inwardly pressing right knob 16 with finger, upper end and the upper right beam guide groove in upper right beam 4 of right push rod 14C 5Connect above Touch, the middle part of right push rod 14 and the right push rod guide groove in right rack slide 10C 3Contacts side surfaces, the right lower end of push rod 14 and right rack Right knob guide groove in sliding block 10C 4Contact below；Right push rod 14, which is swung, makes the thread depth that right rack slide 10 moves down 1.2 timesH 0, the tooth above right rack slide 10 separates with the rack of the right upper end of rack frame 8；Meanwhile, the operation supported for left X-type Cheng Xiangtong, now, with the hands moves forward desktop, the height reduction of desktop is with the hands moved rearwards by desktop, the height liter of desktop Height, reduces or is increased to after the height of needs, and both hands leave right knob 16 and left knob 41；So, the right tooth in right X-type support Tooth on bar sliding block 10 is contacted again with the rack on right rack frame 8, the tooth on left rack slide 36 in the support of left X-type with Rack on left rack frame 34 is contacted again, and the height of desktop is maintained, you can to enter learning state.

Claims (7)

1. a kind of autonomous lifting desk of library users, it is characterised in that：Including desktop（11）With installed in desktop（11）Both sides Title relative to each other right X-type support and left X-type support；
The right X-type support includes being fixed on desktop（11）Under upper right beam（4）, and positioned at upper right beam（4）Lower section and upper right beam （4）Parallel bottom right beam（22）；The upper right beam（4）With bottom right beam（22）Between to be connected with middle part hinged in X-type Right first pole（27）With right second pole（28）；Right second pole（28）Upper end is hinged on upper right beam（4）Rear end, right the Two poles（28）Lower end is hinged with bottom right sliding block（20）；The bottom right beam（22）Front end is provided with one section of bottom right beam guide groove（C 1）, institute State bottom right sliding block（20）It is slidably mounted on bottom right beam guide groove（C 1）It is interior；Right first pole（27）Lower end is hinged on bottom right beam （22）Rear end, right first pole（27）Upper end is hinged with right rack slide（10）；The upper right beam（4）Front end is provided with one section of upper right Beam guide groove（C 5）, the right rack slide（10）Positioned at upper right beam guide groove（C 5）It is interior, in right rack slide（10）With upper right beam guide groove （C 5）Between height adjustment mechanism is installed；
The height adjustment mechanism includes being fixed on upper right beam（4）Middle upper right beam guide groove（C 5）Interior right rack frame（8）, right tooth Bar framework（8）Rack, the right rack slide are fixed with the downside of upper side frame（10）Upper surface is fixed with a row and right rack frame （8）The tooth that rack is engaged；Right rack slide（10）End face outside is provided with a right knob guide groove（C 4）, right knob guide groove（C 4） It is interior to be sequentially provided with right back-moving spring outside interior（15）With right knob（16）, right back-moving spring（15）Two ends be connected to it is right by Turn round guide groove（C 4）Bottom and right knob（16）On inner face；The right knob guide groove（C 4）Upside is provided with one and is communicated to right rack Sliding block（10）The right push rod guide groove of upper surface（C 3）, in the right knob（16）On be hinged with right push rod（14）, right push rod（14） Upper end passes through right push rod guide groove（C 3）After be against upper right beam guide groove（C 5）On.
2. the autonomous lifting desk of library users according to claim 1, it is characterised in that：The right rack frame（8） Top precalculated position is provided with the right absolute altitude groove of a desktop（L 1）；The right rack slide（10）Lateral surface is fixed with a right mark Fixed pole（54）.
3. the autonomous lifting desk of library users according to claim 1, it is characterised in that：The bottom right beam（22）Two ends It is fixed with rubber cushion blocks before the right side（21）With rubber cushion blocks behind the right side（23）；The right preceding rubber cushion blocks（21）With rubber cushion blocks behind the right side （23）Pass through seccotine and bottom right beam（22）Bonding.
4. the autonomous lifting desk of library users according to claim 1, it is characterised in that：Right second pole（28） Upper end is connected with upper pin behind the right side（1）；Upper pin behind the right side（1）On be rotatably cased with a right rear enclosure（2）；Right rear enclosure（2） Using polytetrafluoroethylmaterial material, right rear enclosure（2）With upper right beam（4）Rear end interference connection；The upper pin behind the right side（1）On also set Having is used for right second pole（28）With right rear enclosure（2）It is positioned at upper pin behind the right side（1）On it is right after upper back-up ring（3）；
Right second pole（28）Lower end and bottom right sliding block（20）Between pass through lower bearing pin before a right side（17）It is rotatably connected, on the right side Preceding lower bearing pin（17）On be cased with one be located at right second pole（28）With bottom right sliding block（20）Between it is right before trap（18）；Before the right side Lower bearing pin（17）End, which is provided with, to be used for right second pole（28）It is positioned at lower bearing pin before the right side（17）On right front lower back-up ring（19）.
5. the autonomous lifting desk of library users according to claim 2, it is characterised in that：Right first pole（27） Lower end is connected with lower bearing pin behind the right side（24）；Lower bearing pin behind the right side（24）On be rotatably cased with a right side after trap（25）, it is right after Trap（25）With bottom right beam（22）Rear end interference connection；The lower bearing pin behind the right side（24）On be additionally provided with for will be trapped behind the right side （25）With right first pole（27）It is positioned at lower bearing pin behind the right side（24）On it is right after lower back-up ring（26）；
Right first pole（27）Upper end and right rack slide（10）Between pass through upper pin before a right side（12）It is rotatably connected, Upper pin before right（12）End, which is provided with, to be used for right first pole（27）With right rack slide（10）It is positioned at upper pin before the right side （12）On the right side before upper back-up ring（13）.
6. the autonomous lifting desk of library users according to claim 5, it is characterised in that：The right demarcate bar（54）Peace The upper pin before the right side（12）Outer end；Right demarcate bar（54）With right rack slide（10）Between be provided with right alignment pin（55）；Right mark Fixed pole（54）Upper end is provided with pointer, when the right demarcate bar（54）On pointer alignment desktop（11）On right absolute altitude groove（L 1） When, desktop（11）Height for design altitude datum.
7. the autonomous lifting desk of library users according to claim 1, it is characterised in that：The right rack frame（8） It is fixed on upper right beam（4）Middle upper right beam guide groove（C 5）Interior outer end position, right rack frame（8）Inwall and upper right beam guide groove（C 5）It is interior Flush；Right rack frame（8）Inwall rear and front end passes through right horizontal wood screw（7）With upper right beam guide groove（C 5）Rear and front end Connection.
CN201710224048.4A 2017-04-07 2017-04-07 The autonomous lifting desk of library users Withdrawn CN107048694A (en)

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US20180255919A1 (en) * 2015-09-24 2018-09-13 Ergotron, Inc. Height adjustable device
CN108771404A (en) * 2018-06-20 2018-11-09 袁静 A kind of teaching show stand that can highly adjust
US11147366B1 (en) 2015-01-24 2021-10-19 Office Kick, Inc. Desktop workspace that adjusts vertically
US11388991B1 (en) 2017-07-08 2022-07-19 Office Kick, Inc. Height adjustable desktop
US11918104B2 (en) 2019-10-10 2024-03-05 Colebrook Bosson & Saunders (Products) Limited Desktop riser
US12121149B1 (en) 2024-04-26 2024-10-22 Office Kick, Inc. Desktop workspace that adjusts vertically

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