CN103948241B - Omnibearing movable drawing table - Google Patents
Omnibearing movable drawing table Download PDFInfo
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- CN103948241B CN103948241B CN201410195947.2A CN201410195947A CN103948241B CN 103948241 B CN103948241 B CN 103948241B CN 201410195947 A CN201410195947 A CN 201410195947A CN 103948241 B CN103948241 B CN 103948241B
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Abstract
Omnibearing movable drawing table, relates to technical field of mechanical design, the problem of the desk insufficient height that the desk solving existing conventional design exists, insufficient space, mobility difference.Comprise four panels, table leg, be fixed on the three-dimensional connecting mechanism be connected on the first plate side and with slide, be arranged on three joint rail guide rail sliding chute slideways between the second plate lower surface and the 3rd plate upper surface, locking mechanism, be connected with the 3rd plate and slide the 360 ° of detent mechanisms that rotate in a circumferential direction be connected with the 4th plate, multi-angle oblique mechanism, comprise two the first table legs with arc groove and the rotation circular arc be arranged in the arc groove of the first table leg, table-leg folding mechanism, desktop lifting mechanism.The present invention can 360 ° of location that rotate in a circumferential direction, stacked expansion the suitable angle that tilts, with the drafting demand of satisfied different map sheet, height of table top is adjustable, and with the drawing requirements of satisfied different height, table leg is collapsible, and convenient placement saves space, flexibly and easily reliably.
Description
Technical field
The present invention relates to technical field of mechanical design, be specifically related to a kind of omnibearing movable drawing table.
Background technology
In most of school, the desk in classroom is all conventional classroom designing and purchase and arrange, although this meets the demand of listening to the teacher of traditional give lessons requirement and student, does not but consider the specific demand to desk needed for some specialty.College students ' specialty is of a great variety, traditional common desk can not meet the daily course learning of student and operation, for engineering and polytechnic universities, the plotting equipment of specialty is needed in mechanical drawing class or Engineering Drawing Course, inconvenience part is brought thus to student, and most of student has trestle board in arms, draw in T-square to classroom, chart board not only carries inconvenience, and take up room in classroom, and classroom space is limited, whole desk just takies by a chart board completely, greatly reduce the utilization rate in space, great inconvenience is brought for drawing, a lot of desk does not design from human engineering angle now, the angle of such as desktop and horizontal plane is 0 degree, so long-time level mapping and usual upper class hour, to bow too low or overlong time of bowing, can affect one's power of vision and cause cervical vertebra problem, the health of harm student, simultaneously, desk is irremovable, can easily movable desk.
Summary of the invention
In order to solve existing employing conventional design desk exist desk insufficient height, insufficient space, mobility difference problem, the invention provides a kind of flexibly, can 360 ° of location that rotate in a circumferential direction, desktop can stackedly launch, the suitable angle of desktop tiltable, height of table top are adjustable, the folding omnibearing movable drawing table of table leg, with its rotating manner flexibly, make full use of space, make drawing reliably convenient, improve drawing efficiency.
The technical scheme that the present invention adopts for technical solution problem is as follows:
Omnibearing movable drawing table of the present invention, comprises the first plate, the second plate being with chute, the 3rd plate and the 4th plate; Also comprise:
Be arranged on the three-dimensional connecting mechanism be connected on the first plate side and with slide, promote the first strip to move three-dimensional connecting mechanism and slide in chute, stop after continuing to slide down to location, bottom after sliding to the inclination radian of chute, make the upper surface flush of the first plate and the second plate;
Be arranged on three joint rail guide rail sliding chute slideways between the second plate lower surface and the 3rd plate upper surface;
Locking mechanism after launching completely for the first plate and the second plate;
Be arranged on the 360 ° of detent mechanisms that rotate in a circumferential direction the 3rd plate and the 4th plate rotating in a circumferential direction relative to the 4th plate for the first plate, the second plate and the 3rd slab integral and locates;
Be arranged on the 4th plate and carry out for the first plate, the second plate and the 3rd slab integral the desktop lifting mechanism that is elevated relative to the 4th plate;
Multi-angle oblique mechanism, comprise two the first table legs with arc groove and the rotation circular arc be arranged in the arc groove of the first table leg, described rotation circular arc can carry out multi-angle rotary inclination in arc groove;
Table-leg folding mechanism, comprise the bearing, the two ends that are arranged on the 4th plate lower surface be separately fixed at bearing and the support rotated on circular arc, upper end be connected with rotation circular arc and with multiple through hole the second table leg, be arranged on the second table leg and the hinge of junction, the 3rd table leg with multiple through hole that rotate circular arc, be fixedly connected with coordinating of connecting pin by through hole between described second table leg and the 3rd table leg, flexible height is regulated by connecting pin, by folding bearing, the first table leg is inwardly folded, by folding hinge make the second table leg and the 3rd table leg folded-out.
Described three-dimensional connecting mechanism is two, lay respectively at the first plate both sides, be made up of a triangle joint and three triangle joint latches, the same of triangle joint is circumferentially provided with three circular holes angularly distributed, triangle joint latch is staged column structure, roundlet styletable is arranged in the circular hole of triangle joint, and can rotate in circular hole, the roundlet styletable of a triangle joint latch is fixed on the side, end of the first plate, and the roundlet styletable of residue two triangle joint latches to be slidably mounted in the chute of the second plate and can to slide in chute.When undeployed, the first plate and the second plate are in layer-by-layer state, and the used time does not pull back the first plate, and three-dimensional connecting mechanism can oppositely trackslip.
Described locking mechanism comprises: the tooth bar being fixed on the second plate lower surface edge side; All be fixed on the gear on the 3rd plate side and plug, described wheel and rack engagement, is arranged in plug for pinning the alignment pin of gear; After the first plate and the second plate launch completely, mobile first plate and the second plate simultaneously, gear with racks turn, when the junction of the first plate and the second plate is positioned at the centre position of the 3rd plate, by alignment pin lock gear to lock the relative position between the second plate and the 3rd plate.
Described 360 ° of detent mechanisms that rotate in a circumferential direction, comprising: upper end is fixed on the upper bush on the 3rd plate by upper bearing (metal); The sleeve connection be connected by key with outside, upper bush lower end, described sleeve connection is arranged in the central through hole of the 4th plate, can synchronously rotate in a circumferential direction between upper bush and sleeve connection; Be contained in sleeve connection outside by lower bearing sleeve and be fixed on the lower sleeve of the 4th plate upper surface; Be positioned at the slewing circle of the 4th plate lower surface and sleeve connection interference fit, described sleeve connection can drive slewing circle common rotation; Be fixed on the penholder of the 4th plate lower surface by pen stand, be sleeved on the first spring on penholder, described penholder can automatic locking slewing circle under the elastic force effect of the first spring.
Described desktop lifting mechanism comprises: the connecting rod being fixed on the 3rd plate lower surface by connecting rod upper bracket, and described connecting rod lower end is fixed on the 4th plate upper surface by connecting rod undersetting; Be fixed on the little universal wheel on connecting rod undersetting, wheel portion and the 4th plate of described little universal wheel slidingly contact; Two ends are separately fixed at the second spring on connecting rod undersetting and lower sleeve; Be arranged on the screw mandrel in the central through hole of sleeve connection, threaded engagement is passed through in described screw mandrel upper end and inside, upper bush lower end; Be sleeved on the feed screw nut of the end of screw mandrel; During rising, rotary screw rod makes it move vertically upward in sleeve connection, drives upper bush and the 3rd plate to rotate, and connecting rod rotates along with the 3rd plate, and now, the little universal wheel support of the second spring elongation the 3rd plate steadily rises.
Also comprise four universal wheels be arranged on bottom the 3rd table leg, move integrally and locking position for drawing table.
Also comprise the tool box with tool box support, described tool box support installing is in the bracket chute of the 4th plate and can slide in bracket chute, the noiseless pull location of implementation tool case.
The chute of described three joint rail guide rail sliding chute slideways is arranged on the lower surface of the second plate, and the slideway of three joint rail guide rail sliding chute slideways is arranged on the upper surface of the 3rd plate; After the first plate and the second plate launch completely, being coordinated with the slideway on the 3rd plate by the chute on the second plate to make the second plate move relative to the 3rd plate, reach by the locking mechanism relative position locked between the second plate and the 3rd plate the effect balancing center of gravity, avoid panel to tilt again, add the stationarity of movement.
The invention has the beneficial effects as follows:
1, master-plan conception
(1) drawing table designed by should meet the different demands of all students, and namely to facilitate student to design for basic goal, drawing table should facilitate pupil drawing, reduces and will convert drawing area and walking about of carrying out, and then improve drawing efficiency.
(2) different pupil drawing posture should be met to the demand at angle of inclination, to meet the mapping custom of ergonomics and student.
(3) desktop should launch, and with the drafting of satisfied different length drawing, simultaneous altitude should be adjustable, adapts to the user demand of different height student.
2, innovative point
(1) by the design of three-dimensional connecting mechanism, the first panel is moved in chute and with the complete combination of the second panel.
(2) by the design of multi-angle oblique mechanism, desktop is tilted by the multi-angle rotary of tilt stand, thus ensures the comfort level of drawing.
(3) by the design of 360 ° of detent mechanisms that rotate in a circumferential direction, desktop overall 360 ° is rotated and regulates, facilitate conversion to make graph region, improve drawing efficrence.
3, function introduction
(1) desktop can stackedly launch, with the drafting demand of satisfied different map sheet.
(2) rotary top, can facilitate conversion to make graph region, reduces walking about when student maps.
(3) the suitable angle of desktop tiltable, to comply with mapping posture, keeps comfort level.
(4) height of table top is adjustable, with the drawing requirements of satisfied different height.
(5) table leg is collapsible, and convenient placement saves space, installs self-locking universal wheel simultaneously, convenient mobile.
(6) table leg installs self-locking universal wheel, convenient mobile.
(7) fourth face plate lower surface installs Extractable tool case, taking of convenient drafting tool.
4, application value
The present invention is with its rotating manner flexibly, make full use of space, come design and the use thereof of traditional desk of an anti-convention, adopt three-dimensional connecting mechanism, omnibearing movable that 360 ° of rotate in a circumferential direction detent mechanism and multi-angle oblique mechanisms realize drawing table, not only eliminating attends class carries the loaded down with trivial details of chart board, facilitate the drawing of student, and solve the drawbacks such as desk space is in the past under-utilized, mobility is poor, substantially increase plotting speed simultaneously, enhance the comfort level of drawing, easy to operate, there is very high promotional value.
Accompanying drawing explanation
Fig. 1 is the front view of omnibearing movable drawing table of the present invention.
Fig. 2 is the upward view of the omnibearing movable drawing table shown in Fig. 1.
Fig. 3 is the right view of the omnibearing movable drawing table shown in Fig. 1.
Fig. 4 is the structural representation of triangle joint, and Fig. 4 a is the front view of triangle joint, and Fig. 4 b is the left view of Fig. 4 a.
Fig. 5 is the structural representation of triangle joint latch.
Fig. 6 is the front view of slewing circle.
Fig. 7 be along A-A in Fig. 6 to sectional view.
Fig. 8 is the structural representation of pen stand, and Fig. 8 a is the front view of pen stand, Fig. 8 b be along A-A in Fig. 8 a to sectional view, Fig. 8 c is the top view of Fig. 8 a.
Fig. 9 is the structural representation of penholder.
Figure 10 is the structural representation rotating circular arc.
Figure 11 is the structural representation of upper bush, and Figure 11 a is the front view of upper bush, and Figure 11 b is the left view of Figure 11 a.
In figure: 1, penholder, 2, pen stand, 3, first spring, 4, chute, 5, first plate, 6, triangle joint, 7, triangle joint latch, 8, second plate, 9, 3rd plate, 10, connecting rod upper bracket, 11, connecting rod, 12, connecting rod undersetting, 13, little universal wheel, 14, upper bearing (metal), 15, upper bush, 16, key, 17, lower bearing, 18, lower sleeve, 19, slewing circle, 20, sleeve connection, 21, feed screw nut, 22, screw mandrel, 23, second spring, 24, bearing, 25, support, 26, rotate circular arc, 27, first table leg, 28, hinge, 29, second table leg, 30, 3rd table leg, 31, universal wheel, 32, tooth bar, 33, gear, 34, plug, 35, 4th plate, 36, tool box, 37, tool box support, 38, bracket chute, 39, alignment pin.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, omnibearing movable drawing table of the present invention comprises: the first plate 5, second plate 8, the 3rd plate 9, the 4th plate 35, universal wheel 31, tool box 36, tool box support 37, bracket chute 38, two three-dimensional connecting mechanisms, three joint rail guide rail sliding chute slideways, locking mechanism, 360 ° of detent mechanisms that rotate in a circumferential direction, multi-angle oblique mechanism, desktop lifting mechanism, table-leg folding mechanism.
Two three-dimensional connecting mechanisms lay respectively at the both sides of the first plate 5, as shown in Figure 3, be made up of a triangle joint 6 and three triangle joint latches 7, as shown in figures 4 a and 4b, the same of triangle joint 6 is circumferentially provided with three circular holes angularly distributed, and as shown in Figure 5, triangle joint latch 7 is staged column structure, roundlet styletable is arranged in the circular hole of triangle joint 6, and can rotate in circular hole.As shown in Figure 3, chute 4 is provided with inside two opposite side of the second plate 8, chute 4 one end is with downward inclination radian, the roundlet styletable of a triangle joint latch 7 is fixed on the side, end of the first plate 5, and the roundlet styletable of residue two triangle joint latches 7 to be slidably mounted in the chute 4 of the second plate 8 and can to slide in chute 4.When undeployed, first plate 5 and the second plate 8 are in layer-by-layer state, now, three-dimensional connecting mechanism is in the other end (not being with inclination radian end) of chute 4, when deployment is desired, the first plate 5 is promoted along chute 4, the stressed horizontal sliding forward of first plate 5 launches, drive three-dimensional connecting mechanism to slide along the direction of chute 4 simultaneously, when the first plate 5 translational motion is to the rear flank, end one of the second plate 8, three-dimensional connecting mechanism can continue the inclination radian slide downward along chute 4, slide to stop motion behind the place of location, bottom, to ensure the stability engaged after panel launches, now, the upper surface flush of the first plate 5 and the second plate 8, thus meet large drawing drawing requirements.The used time does not pull back the first plate 5, and three-dimensional connecting mechanism can oppositely trackslip, and the inclination radian on chute 4 is conducive to the withdrawal of the first plate 5, completes the expansion campaign of whole panel.Adopt stacked stretching Method of Spreading Design, can freely launch the first plate 5 needed for drawing length size, after launching completely, large drawing drawing requirements can be met.
As shown in Figure 3, locking mechanism is made up of tooth bar 32, gear 33, plug 34 and alignment pin 39, tooth bar 32 is fixed on the lower surface edge side of the second plate 8, gear 33 and plug 34 are all fixed on the side of the 3rd plate 9, gear 33 engages with tooth bar 32, alignment pin 39 is movably arranged in plug 34, pins gear 33 by alignment pin 39.After the first plate 5 and the second plate 8 launch completely, mobile first plate 5 and the second plate 8 simultaneously, gear 33 rotates along with tooth bar 32, when the junction of the first plate 5 and the second plate 8 is positioned at the centre position of the 3rd plate 9, pin gear 33 by alignment pin 39, ensure that the relative position of gear 33 and tooth bar 32 is motionless, to lock the relative position between the second plate 8 and the 3rd plate 9, can need to lock at any time according to position, to meet drawing requirements.
Be provided with three joint rail guide rail sliding chute slideways between second plate 8 and the 3rd plate 9, the chute of three joint rail guide rail sliding chute slideways is arranged on the lower surface of the second plate 8, and the slideway of three joint rail guide rail sliding chute slideways is arranged on the upper surface of the 3rd plate 9.After the first plate 5 and the second plate 8 launch completely, being coordinated with the slideway on the 3rd plate 9 by the chute on the second plate 8 to make the second plate 8 move relative to the 3rd plate 9, reach by the locking mechanism relative position locked between the second plate 8 and the 3rd plate 9 effect balancing center of gravity, avoid panel to tilt again, add the stationarity of movement.
As shown in Figure 1,360 ° of detent mechanisms that rotate in a circumferential direction comprise penholder 1, two pen stand 2, first springs 3, upper bearing (metal) 14, upper bush 15, key 16, lower bearing 17, lower sleeve 18, slewing circle 19 and sleeve connection 20.Upper bush 15 upper end is fixed on the 3rd plate 9 by upper bearing (metal) 14, upper bush 15 lower end is outside to be connected by key 16 with inside, sleeve connection 20 upper end, make can synchronously rotate in a circumferential direction between upper bush 15 and sleeve connection 20, lower sleeve 18 is sleeved on sleeve connection 20 outside by lower bearing 17 and lower sleeve 18 is fixed on the upper surface of the 4th plate 35, sleeve connection 20 is arranged in the central through hole of the 4th plate 35, slewing circle 19 is positioned on the lower surface of the 4th plate 35, slewing circle 19 be sleeved on sleeve connection 20 lower end outside and with sleeve connection 20 interference fit, sleeve connection 20 can drive slewing circle 19 common rotation.Rotate the 3rd plate 9, drive sleeve connection 20 synchronous axial system by upper bush 15, by the interactively of lower bearing 17, sleeve connection 20 is rotated relative to lower sleeve 18 by upper bearing (metal) 17, drive slewing circle 19 to rotate, 360 ° that realize desktop rotate in a circumferential direction simultaneously.As shown in Figure 2, the first spring 3 is sleeved on penholder 1, and penholder 1 is fixed on the 4th plate 35 lower surface by two pen stands 2.Rotate location and adjustment process: under normality, penholder 1 automatic locking slewing circle 19 under the elastic force effect of the first spring 3, when needs regulate rotational angle, is pulled outwardly penholder 1 and can unties self-locking, be adjusted to after needing angle, unclamp penholder 1 and so far complete the location and adjustment that turn to.
Desktop lifting mechanism comprises two connecting rod upper brackets, 10, two connecting rods, 11, two connecting rod undersettings, 12, two little universal wheels 13, feed screw nut 21, screw mandrel 22 and two the second springs 23.Connecting rod 11 upper end is fixed on the 3rd plate 9 lower surface by connecting rod upper bracket 10, connecting rod 11 lower end is fixed on the 4th plate 35 upper surface by connecting rod undersetting 12, little universal wheel 13 is fixed on connecting rod undersetting 12, wheel portion and the 4th plate 35 of little universal wheel 13 slidingly contact, second spring 23 one end is connected on connecting rod undersetting 12, the other end is fixed on lower sleeve 18, screw mandrel 22 is arranged in the central through hole of sleeve connection 20, feed screw nut 21 is sleeved on the end of screw mandrel 22, threaded engagement is passed through in screw mandrel 22 upper end and inside, upper bush 15 lower end, in elevation process, rotary screw rod 22 makes it move vertically upward in sleeve connection 20, upper bush 15 and the 3rd plate 9 is driven to rotate, connecting rod 11 rotates along with the 3rd plate 9, now, the second spring 23 little universal wheel 13 that stretches supports the 3rd plate 9 and steadily rises, meet the requirements of height, little universal wheel 13 can support the 3rd plate 9 to ensure the stability that desktop rotates.
Table-leg folding mechanism comprises bearing 24, support 25, hinge 28, second table leg 29 and the 3rd table leg 30.As shown in Figure 3,3rd table leg 30 comprises two passive rectangular pipes and four short square tubes, four short square tubes are provided with multiple through hole, second table leg 29 comprises four square tubes with multiple through hole, the lower end of the second table leg 29 puts in the short square tube of the 3rd table leg 30, and fixed by connecting pin, regulate flexible height by connecting pin.Multi-angle oblique mechanism comprises two and rotates circular arc 26 and two the first table legs 27, four bearings 24 are arranged on the lower surface of the 4th plate 35, the lower end of each bearing 24 is provided with a support 25, the lower end of four supports 25 is arranged on the two ends that is rotated circular arc 26 respectively, second table leg 29 upper end is connected with rotation circular arc 26, and hinge 28 is arranged on the second table leg 29 and the junction of rotating circular arc 26.Time folding, by folding bearing 24, first table leg 27 is inwardly folded, by folding hinge 28 make the second table leg 29 and the 3rd table leg 30 folded-out, after folding, by flexible location, flexible table leg part is return, saves space.As shown in Figure 10, rotate on circular arc 26 and be provided with an orthodrome and a small arc-shaped, the two ends of orthodrome are provided with the installing hole for mounting bracket 25, and small arc-shaped is provided with multiple installing hole.Two small arc-shapeds rotating circular arc 26 are arranged in the arc groove of two the first table legs 27 respectively, and rotate circular arc 26 and can carry out multi-angle rotary inclination in the first table leg 27, the design of desktop multi-angle oblique meets different pupil drawing posture to the demand at angle of inclination, to meet the drawing custom of ergonomics and student.
As shown in Figure 3, four universal wheels 31 are arranged on the two ends of two rectangular pipes of the 3rd table leg 30, facilitate the movement of whole desk, and lock immediately when moving to correct position.
As shown in Figure 2, both sides, tool box 36 are provided with two tool box supports 37,4th plate 35 lower surface is provided with two bracket chute 38, two tool box supports 37 are arranged in two bracket chute 38, and tool box support 37 can slide in bracket chute 38, drive tool box 36 simultaneously, the noiseless pull positioning function of implementation tool case 36, install simple and easy, can pull and returning at any time as required, to be convenient to student by drawing instrument storage wherein.
In present embodiment, tooth bar 32 is selected: model name: 1M spur rack, specification: 1M (model) * 10 (facewidth) * 10 (tooth depth) * 1000 (overall length), material: 45# steel, unit: mm (millimeter).
In present embodiment, gear 33 is selected: spur gear: 1M25 tooth (standard component), material: 45 steel, tooth external diameter: 27MM does not quench, thickness: 10MM, endoporus: 5 ~ 8MM, net weight: 0.1KG.
In present embodiment, three joint rail guide rail sliding chute slideways adopt stainless steel three to save rail guide rail sliding chute, material: cold-rolled steel, stainless steel; Surface treatment: Lan Xin, black; The scope of application: various drawer; Steel plate thickness: 1.2mm; Characteristic: quiet slip is smooth and easy; Maximum capacity: 45kg.Stainless steel three save rail guide rail sliding chute material good, not easily get rusty, and pull is smooth and easy, comfortable feel, meets the requirements completely.
In present embodiment, little universal wheel 13 is selected: model (NO): C08-01-25-411, wheel footpath (MM): 25 (1 cuns), carrying (KG): 10, setting height(from bottom) (MM): 37, the radius of gyration (MM): 28.
In present embodiment, upper bearing (metal) 14 and lower bearing 17 are all selected: miniature deep groove ball bearing, model 623ZZ, external diameter 10mm, internal diameter 3mm, thickness 4mm.
In present embodiment, the first spring 3 and the second spring 23 are all selected: YA1X15X20-2LH.
In present embodiment, universal wheel 31 is selected: wheel sheet diameter 40mm, takes turns wide 20mm, setting height(from bottom) 60mm, base plate size 60*43mm, installing hole distance 45*30mm, installing hole diameter 6.3mm, the maximum carrying of single-wheel 50 kilograms.
Claims (8)
1. omnibearing movable drawing table, comprises the first plate (5), the second plate (8) being with chute (4), the 3rd plate (9) and the 4th plate (35); It is characterized in that, also comprise:
To be arranged on the first plate (5) side and the three-dimensional connecting mechanism be slidably connected with chute (4), promoting the first plate (5) drives three-dimensional connecting mechanism to slide in chute (4), stop after continuing to slide down to location, bottom after sliding to the inclination radian of chute (4), make the upper surface flush of the first plate (5) and the second plate (8);
Be arranged on three joint rail guide rail sliding chute slideways between the second plate (8) lower surface and the 3rd plate (9) upper surface;
Locking mechanism after launching completely for the first plate (5) and the second plate (8);
Be arranged on the 3rd plate (9) and the 4th plate (35) for the overall 360 ° of detent mechanisms that rotate in a circumferential direction rotating in a circumferential direction relative to the 4th plate (35) and locate of the first plate (5), the second plate (8) and the 3rd plate (9);
Be arranged on the 4th plate (35) for the overall desktop lifting mechanism carrying out being elevated relative to the 4th plate (35) of the first plate (5), the second plate (8) and the 3rd plate (9);
Multi-angle oblique mechanism, comprise two the first table legs (27) with arc groove and the rotation circular arc (26) that is arranged in the arc groove of the first table leg (27), described rotation circular arc (26) can carry out multi-angle rotary inclination in arc groove;
Table-leg folding mechanism, comprise the bearing (24) being arranged on the 4th plate (35) lower surface, the support (25) that two ends are separately fixed at bearing (24) and rotate on circular arc (26), upper end with rotate circular arc (26) and to be connected and with second table leg (29) of multiple through hole, be arranged on the hinge (28) of the junction of the second table leg (29) and rotation circular arc (26), with the 3rd table leg (30) of multiple through hole, be fixedly connected with coordinating of connecting pin by through hole between described second table leg (29) and the 3rd table leg (30), flexible height is regulated by connecting pin, by folding bearing (24), the first table leg (27) is inwardly folded, by folding hinge (28) make the second table leg (29) and the 3rd table leg (30) folded-out.
2. omnibearing movable drawing table according to claim 1, it is characterized in that, described three-dimensional connecting mechanism is two, lay respectively at the first plate (5) both sides, be made up of a triangle joint (6) and three triangle joint latches (7), the same of triangle joint (6) is circumferentially provided with three circular holes angularly distributed, triangle joint latch (7) is staged column structure, roundlet styletable is arranged in the circular hole of triangle joint (6), and can rotate in circular hole, the roundlet styletable of a triangle joint latch (7) is fixed on the side, end of the first plate (5), the roundlet styletable remaining two triangle joint latches (7) to be slidably mounted in the chute (4) of the second plate (8) and can to slide in chute (4), when undeployed, first plate (5) and the second plate (8) are in layer-by-layer state, the used time does not pull back the first plate (5), three-dimensional connecting mechanism can oppositely trackslip.
3. omnibearing movable drawing table according to claim 1, is characterized in that, described locking mechanism comprises: the tooth bar (32) being fixed on the second plate (8) lower surface edge side; All be fixed on the gear (33) on the 3rd plate (9) side and plug (34), described gear (33) engages with tooth bar (32), is arranged in plug (34) for pinning the alignment pin (39) of gear (33); After the first plate (5) and the second plate (8) launch completely, mobile first plate (5) and the second plate (8) simultaneously, gear (33) rotates with tooth bar (32), when the junction of the first plate (5) and the second plate (8) is positioned at the centre position of the 3rd plate (9), by alignment pin (39) lock gear (33) to lock the relative position between the second plate (8) and the 3rd plate (9).
4. omnibearing movable drawing table according to claim 1, is characterized in that, described 360 ° of detent mechanisms that rotate in a circumferential direction, comprising: upper end is fixed on the upper bush (15) on the 3rd plate (9) by upper bearing (metal) (14); The sleeve connection (20) be connected by key (16) with outside, upper bush (15) lower end, described sleeve connection (20) is arranged in the central through hole of the 4th plate (35), can synchronously rotate in a circumferential direction between upper bush (15) and sleeve connection (20); Be sleeved on sleeve connection (20) outside by lower bearing 17 and be fixed on the lower sleeve (18) of the 4th plate (35) upper surface; Be positioned at the slewing circle (19) of the 4th plate (35) lower surface and sleeve connection (20) interference fit, described sleeve connection (20) can drive slewing circle (19) common rotation; The penholder (1) of the 4th plate (35) lower surface is fixed on by pen stand (2), be sleeved on the first spring (3) on penholder (1), described penholder (1) can automatic locking slewing circle (19) under the elastic force effect of the first spring (3).
5. the omnibearing movable drawing table according to claim 1 or 4, it is characterized in that, described desktop lifting mechanism comprises: the connecting rod (11) being fixed on the 3rd plate (9) lower surface by connecting rod upper bracket (10), and described connecting rod (11) lower end is fixed on the 4th plate (35) upper surface by connecting rod undersetting (12); Be fixed on the little universal wheel (13) on connecting rod undersetting 12, wheel portion and the 4th plate (35) of described little universal wheel (13) slidingly contact; Two ends are separately fixed at the second spring 23 on connecting rod undersetting (12) and lower sleeve (18); Be arranged on the screw mandrel (22) in the central through hole of sleeve connection (20), threaded engagement is passed through in described screw mandrel (22) upper end and upper bush (15) inside, lower end; Be sleeved on the feed screw nut (21) of the end of screw mandrel (22); During rising, rotary screw rod (22) makes it move vertically upward in sleeve connection (20), upper bush (15) and the 3rd plate (9) is driven to rotate, connecting rod (11) rotates along with the 3rd plate (9), now, the second spring (23) stretch little universal wheel (13) support the 3rd plate (9) steadily rise.
6. omnibearing movable drawing table according to claim 1, is characterized in that, also comprises four universal wheels (31) being arranged on the 3rd table leg (30) bottom, moves integrally and locking position for drawing table.
7. omnibearing movable drawing table according to claim 1, it is characterized in that, also comprise the tool box (36) with tool box support (37), described tool box support (37) to be arranged in the bracket chute (38) of the 4th plate (35) and can to slide in bracket chute (38), and the noiseless pull of implementation tool case (36) is located.
8. omnibearing movable drawing table according to claim 1, it is characterized in that, the chute of described three joint rail guide rail sliding chute slideways is arranged on the lower surface of the second plate (8), and the slideway of three joint rail guide rail sliding chute slideways is arranged on the upper surface of the 3rd plate (9); After the first plate (5) and the second plate (8) launch completely, being coordinated with the slideway on the 3rd plate (9) by the chute on the second plate (8) to make the second plate (8) mobile relative to the 3rd plate (9), the relative position locked between the second plate (8) and the 3rd plate (9) by locking mechanism again reaches the effect balancing center of gravity, avoid panel to tilt, and adds the stationarity of movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195947.2A CN103948241B (en) | 2014-05-09 | 2014-05-09 | Omnibearing movable drawing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410195947.2A CN103948241B (en) | 2014-05-09 | 2014-05-09 | Omnibearing movable drawing table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103948241A CN103948241A (en) | 2014-07-30 |
| CN103948241B true CN103948241B (en) | 2015-10-07 |
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| CN201410195947.2A Expired - Fee Related CN103948241B (en) | 2014-05-09 | 2014-05-09 | Omnibearing movable drawing table |
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| CN107616628B (en) * | 2016-07-17 | 2021-04-13 | 西北农林科技大学 | Multifunctional drawing desk |
| CN106690828B (en) * | 2017-01-21 | 2017-11-03 | 黄河科技学院 | Omnibearing movable drawing table |
| SE542872C2 (en) * | 2018-03-22 | 2020-07-28 | Panelterra Invest Ltd | A folding lock mechanism for furniture legs and a piece of furniture with such a mechanism |
| CN108720288A (en) * | 2018-06-02 | 2018-11-02 | 河南豫乾技术转移中心有限公司 | Easel for art design |
| CN110693197A (en) * | 2018-07-10 | 2020-01-17 | 陈炫梓 | Convenient many storing spaces student desk |
| CN108937139A (en) * | 2018-07-24 | 2018-12-07 | 合肥爱玩动漫有限公司 | A kind of workbench for cartoon design |
| CN110667713B (en) * | 2019-08-30 | 2023-02-03 | 坎德拉（深圳）科技创新有限公司 | Self-driven logistics mobile platform |
| CN110477599B (en) * | 2019-09-06 | 2024-06-25 | 常州市莱特气弹簧有限公司 | Folding table |
| CN111407075A (en) * | 2020-03-26 | 2020-07-14 | 安徽文香信息技术有限公司 | Hidden shrink wisdom lectern |
| CN112914237B (en) * | 2021-02-26 | 2022-04-08 | 北京中色测绘院有限公司 | Can resist graphic mapping device that bad weather's land planning used |
| CN115054091B (en) * | 2022-05-31 | 2023-10-24 | 湖州师范学院 | Variable molding silk bracket for three-dimensional advertisement design |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3874309A (en) * | 1974-05-01 | 1975-04-01 | Gary Cowley | Articulated column drafting table |
| US4383486A (en) * | 1980-07-28 | 1983-05-17 | Rol-Fol Table, Inc. | Desk for handicapped persons |
| CN2269117Y (en) * | 1996-11-21 | 1997-12-03 | 季汝宝 | Universal lift drawing table |
| CN201356223Y (en) * | 2009-02-16 | 2009-12-09 | 杜卫民 | Study desk with adjustable height and inclination angle |
| CN202604040U (en) * | 2012-09-20 | 2012-12-19 | 无锡商业职业技术学院 | Drawing desk |
| CN204245517U (en) * | 2014-05-09 | 2015-04-08 | 长春理工大学 | Omnibearing movable drawing table |
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