CN109527801B - Lifting turnover adjustable learning table - Google Patents
Lifting turnover adjustable learning table Download PDFInfo
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- CN109527801B CN109527801B CN201811625168.6A CN201811625168A CN109527801B CN 109527801 B CN109527801 B CN 109527801B CN 201811625168 A CN201811625168 A CN 201811625168A CN 109527801 B CN109527801 B CN 109527801B
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- 230000007306 turnover Effects 0.000 title description 3
- 230000007246 mechanism Effects 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
Classifications
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- 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
- A47B9/12—Tables with tops of variable height with flexible height-adjusting means, e.g. rope, chain
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- 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
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
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- 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
- A47B3/00—Folding or stowable tables
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- Tables And Desks Characterized By Structural Shape (AREA)
- Machine Tool Units (AREA)
Abstract
The invention relates to the technical field of tables, in particular to a lifting and overturning adjustable learning table, which sequentially comprises a table plate, a support and a bottom plate from top to bottom, wherein the support comprises a main support and an auxiliary support, the main support comprises an upper support and a lower support, the upper support is rotationally connected with a cross beam through a rotating shaft, a supporting rod is further arranged on the upper support, the lower support is rotationally connected with the bottom plate through the rotating shaft, a guide hole matched with the upper support is arranged on the lower support along an axis, the upper support is slidably connected with the lower support, a clamping groove is formed in the upper support, and the upper end surface of the lower support is rotationally connected with a clamping plate; the bottom plate is provided with a second chute, and a second positioning hole is formed in the second chute; one end of the auxiliary support is rotationally connected with the lower support through a rotating shaft, the other end of the auxiliary support is connected with a second sliding block, the second sliding block is in sliding connection with a second sliding groove, and a second positioning rod corresponding to the second positioning hole is in sliding connection with the second sliding block. The angle of height and table can be adjusted to the study table of this scheme, can also fold up the convenience and accomodate and transport.
Description
Technical Field
The invention relates to the technical field of tables, in particular to a lifting and overturning adjustable learning table.
Background
The existing desk, whether it is a desk or a study desk, has a fixed and non-adjustable desk top, and although brings convenience to people for study and office work, the desk has the defects that: 1. people's vision is tired easily, easy dispersion power, reduces work efficiency, still can cause student's eyes myopia. 2. When people work and learn on the desk, the people need to bend down, so that the fatigue and ache can be caused to the cervical vertebra, the back and the waist of the people for a long time, the physical condition of the people is adversely affected, and even diseases such as the cervical vertebra, the waist and the back occur. Aiming at the problems existing in the prior art, the invention patent CN 207979274U provides a desk top adjustable learning desk, which comprises a desk plate and a desk frame connected with the desk plate, wherein the bottom of the desk plate is provided with an adjusting mechanism for adjusting the inclination angle of the desk plate, the adjusting mechanism comprises a connecting plate, an adjusting piece provided with an adjusting groove, a rotating shaft and a control part connected with one end of the rotating shaft, the connecting plate is fixed at the bottom of the desk plate, the adjusting piece is fixed on the connecting plate, the rotating shaft penetrates through the connecting plate and the adjusting groove of the adjusting piece, and the rotating shaft can slide in the adjusting groove of the adjusting piece. Although the learning table of the scheme can be correspondingly adjusted in angle, the learning table of the scheme does not have the function of adjusting the height and cannot be suitable for people with different heights.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a lifting and overturning adjustable learning table which is used for solving the inconvenience brought to learners by a fixed type and non-adjustable learning table in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The lifting turnover adjustable learning table comprises a table plate, a bracket and a bottom plate from top to bottom in sequence, wherein the bottom surface of the table plate is fixedly connected with a cross beam, the bottom surface of the table plate is also fixedly connected with a first chute plate, a first chute is arranged on the first chute plate, and a plurality of first positioning holes are formed in the first chute;
the support comprises a main support and an auxiliary support, the main support comprises an upper support and a lower support, the upper support is rotationally connected with a cross beam through a first rotating shaft, a supporting rod is further arranged on the upper support, one end of the supporting rod is hinged with the upper support, the other end of the supporting rod is rotationally connected with a first sliding block, the first sliding block is in sliding connection with a first sliding groove, a first positioning rod corresponding to a first positioning hole is slidingly connected with the first sliding block, the lower support is rotationally connected with a bottom plate through a rotating shaft, a guide hole matched with the upper support is arranged on the lower support along an axis, the upper support is slidingly connected with the lower support, a clamping groove is formed in the upper support, and the upper end face of the lower support is rotationally connected with a clamping plate;
The bottom plate is fixedly connected with a second chute plate, a second chute is arranged on the second chute plate, and a second positioning hole is formed in the second chute; one end of the auxiliary support is hinged with the lower support, the other end of the auxiliary support is connected with a second sliding block, the second sliding block is in sliding connection with a second sliding groove, and a second positioning rod corresponding to the second positioning hole is in sliding connection with the second sliding block.
The rear end of the surface of the table plate is parallel to the cross beam and fixedly provided with a rack and a movable gear meshed with the rack, a first rotating shaft is fixedly connected with a driving gear, the bottom surface of the table plate is fixedly connected with a speed increasing mechanism, an input gear of the speed increasing mechanism is meshed with the driving gear, an output shaft of the speed increasing mechanism is connected with a first screw rod, one end of the first screw rod is fixedly connected with a first screw rod nut in a threaded manner, a movable rod is connected to the first screw rod nut, one end of the movable rod is fixedly connected with the first screw rod nut, the other end of the movable rod is rotatably connected with the movable gear, the upper surface of the table plate is provided with a movable plate, the movable plate is in a hollow cavity, the bottom surface of the movable plate is connected with a first sponge, the lower surface of the first sponge is in contact connection with the upper surface of the table plate, a plurality of exhaust holes communicated with the first sponge and the hollow cavity are formed in the movable plate, a transverse sliding chute is formed between the cavity of the movable plate and the upper surface of the table plate, a transverse sliding chute is formed in the transverse sliding manner, a transverse sliding chute is connected with a transverse sliding chute is formed between the vertical sliding chute and the third sliding chute, and the transverse sliding chute is formed between the transverse sliding chute and the transverse sliding chute is respectively, and the transverse sliding chute is connected with the transverse sliding chute, and the transverse sliding chute is in the transverse sliding chute; a second screw rod is arranged in the cavity in the moving plate, one end of the second screw rod extends out of the moving plate and is fixedly connected with the moving gear, the other end of the second screw rod is rotationally connected with the moving plate, a second screw rod nut is connected to the second screw rod in a threaded manner, a push rod is fixedly connected to the second screw rod nut, an air cylinder and an elastic air bag are fixedly connected to the upper surface of the moving plate, a piston in the air cylinder is fixedly connected with the push rod, the air cylinder is communicated with the elastic air bag through a pipeline, and the elastic air bag is communicated with the exhaust passage; the right end of the desk plate is provided with a groove, a wet second sponge body is arranged in the groove, a cover plate is arranged on the groove, a plurality of dust discharging holes are formed in the cover plate, and a baffle is arranged on the right end face of the desk plate.
The principle of this scheme lies in:
pulling out the first positioning rod from the first positioning hole, rotating the table plate by taking the first rotating shaft as a rotating center, sliding the first sliding block along the first sliding groove, and inserting the first positioning rod into the corresponding first positioning hole to fix the table plate when the table plate rotates to a required angle;
The clamping plate on the lower bracket is broken off to enable the clamping plate to leave the clamping groove, the upper bracket can slide up and down along the guide hole of the lower bracket, the height of the desktop is adjusted, and after the desktop is adjusted to a proper height, the clamping plate is clamped into the corresponding clamping groove to enable the upper bracket to be fixed with the lower bracket;
the second locating rod is pulled out of the second locating hole, so that the second sliding block slides along the second sliding groove, at the moment, the included angle between the auxiliary support and the lower support changes, the table moves downwards when the included angle between the auxiliary support and the lower support is increased, and the table moves upwards when the included angle between the auxiliary support and the lower support is decreased.
When the first rotary shaft is used as a rotary center to rotate the table, the driving gear fixedly connected with the first rotary shaft rotates along with the first rotary shaft, the first screw rod rotates rapidly after being driven by the speed increasing mechanism, so that the first screw rod nut moves left and right along the first screw rod, the moving rod fixedly connected with the first screw rod also moves left and right, the moving gear moves left and right along with the second screw rod, the second screw rod drives the moving plate to move left and right along with the left and right movement, and when the moving plate moves left and right, the first sponge body connected to the bottom surface of the moving plate wipes and removes dust on the surface of the table, and as the sponge body is porous, dust on the table surface can be sucked into the sponge body; the movable gear meshed with the rack is in a rotating state while moving, the rotating movable gear drives the second screw rod to rotate, the second screw rod nut moves back and forth along the second screw rod, a push rod fixedly connected with the second screw rod nut pushes a piston in the air cylinder to move into the elastic air bag to inflate the elastic air bag, when the movable block moves to the right end of the table plate, the sliding plate touches a stop block fixedly arranged at the right end of the table plate, the stop block slides leftwards to enable the vertical through hole to be aligned with the exhaust passage so as to enable the exhaust passage to be communicated up and down, high-pressure gas in the elastic air bag is discharged into a cavity in the movable block through the exhaust passage, dust in the first sponge body is further discharged into the groove through the dust discharging hole through the exhaust hole, and the second sponge body wetted in the groove wets and deposits the dust.
The beneficial effect that this scheme produced is:
the auxiliary support is arranged to greatly increase the height lifting travel of the learning desk, so that the adaptability is stronger.
(II) the study table of this scheme can fold up, and the study table volume after folding up is less, conveniently accomodates and transport, and the mobility is stronger.
And thirdly, the study desk has the function of cleaning and dedusting the desk surface when the desk surface is rotated.
Further, the upper bracket is a cylinder, and the guide hole is a cylinder hole. The cylindrical holes and the cylindrical holes are convenient to process and easy to realize.
Further, the clamping groove is a circular groove arranged on the upper bracket, and the clamping plate is a semicircular clamping plate. The contact area is enlarged by matching the semicircular clamping plate with the circular groove, and the semicircular clamping plate is uniformly stressed and is convenient to open and close.
Further, a first through hole matched with the first positioning rod is formed in the first sliding block, and a first pressure spring is arranged between the first positioning rod and the first sliding block. When the table plate rotates to a proper angle, the first positioning rod is pushed by the first pressure spring to be inserted into the corresponding first positioning hole by releasing the hand, so that the angle of the table plate is fixed.
Further, two through holes matched with the second positioning rod are formed in the second sliding block, and a second pressure spring is arranged between the second positioning rod and the second sliding block. And when the second sliding block is moved to enable the desk plate to descend to the required height, the hand is released to enable the second positioning rod to be pushed down by the second pressure spring and inserted into the corresponding second positioning hole to enable the desk plate to be fixed in height.
Further, the bottom plate includes left bottom plate and right bottom plate, and left bottom plate passes through fixed plate and right bottom plate fixed connection, the support contains left socle and right branch frame, and the upper end of left socle and right branch frame rotates with the both ends of crossbeam respectively to be connected, and the lower extreme of left socle and right branch frame rotates with left bottom plate and right bottom plate respectively to be connected.
Further, a roller and a locking mechanism for locking the roller are arranged on the bottom plate. The movement and the fixation of the study table are convenient.
Further, a clutch is arranged between the rotating shaft and the driving gear, when the tabletop is not required to be cleaned, the rotating shaft is separated from the driving gear, and the moving plate is not moved when the tabletop is rotated and adjusted.
Drawings
Fig. 1 is a schematic view of an embodiment of a lifting and overturning adjustable learning table.
Fig. 2 is a schematic structural view of the first chute.
Fig. 3 is a schematic structural view of the second chute.
Fig. 4 is a schematic structural view of the connection between the upper bracket and the lower bracket.
Fig. 5 is a schematic diagram of a card structure.
Fig. 6 is a schematic view of the lifting and turning adjustable learning table according to the present invention after the table board rotates a certain angle.
Fig. 7 is a schematic diagram of the lifting and overturning adjustable learning table after being fully folded.
Fig. 8 is an enlarged view of a portion a in fig. 1.
Figure 9 is a front view of the lift flip adjustable learning table of the present invention.
Fig. 10 is an enlarged view of a portion B in fig. 9.
Figure 11 is a schematic view of the structure of the movable plate on the table.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the table 10, the upper bracket 201, the lower bracket 202, the auxiliary bracket 301, the bottom plate 40, the roller 50, the locking mechanism 501, the cross beam 101, the first runner plate 102, the first positioning hole 103, the first slider 104, the first positioning rod 105, the support rod 106, the first pressure spring 107, the second runner plate 401, the second positioning hole 402, the second slider 403, the second positioning rod 404, the second pressure spring 405, the clamping groove 203, the clamping plate 204, the fixed plate 60, the driving gear 70, the speed increasing mechanism 80, the first screw 801, the first screw nut 802, the clutch 803, the first rotating shaft 804, the moving rod 90, the moving plate 901, the first sponge 9010, the cover plate 9011, the second sponge 9012, the rack 1001, the moving gear 1002, the second screw 1003, the second screw nut 1004, the push rod 10041, the air cylinder 1005, the elastic air bag 1006, the third pressure spring 1007, the transverse slide 1008, and the baffle 1009.
Examples are substantially as shown in fig. 1, 2, 3, 4, 5, 6, and 7:
the specific implementation process is as follows:
The lifting and overturning adjustable learning table, as shown in fig. 1, sequentially comprises a table plate 10, a bracket and a bottom plate 40 from top to bottom, wherein the bottom surface of the table plate 10 is fixedly connected with a cross beam 101, the bottom surface of the table plate 10 is fixedly connected with a first chute plate 102, a first chute is arranged on the first chute plate 102, and a plurality of first positioning holes 103 are formed in the first chute.
The bracket comprises a main bracket and a secondary bracket 301, the main bracket comprises an upper bracket 201 and a lower bracket 202, the upper bracket 201 is rotationally connected with a cross beam 101 through a first rotary shaft 804, a supporting rod 106 is further arranged on the upper bracket 201, one end of the supporting rod 106 is hinged with the upper bracket 201, the other end of the supporting rod 106 is rotationally connected with a first sliding block 104, the first sliding block 104 is slidingly connected with a first sliding groove, a first through hole is formed in the first sliding block 104, a first positioning rod 105 matched with the first positioning hole 103 is slidingly connected on the first sliding block 104, and a first pressure spring 107 is arranged between the first positioning rod 105 and the first sliding block 104;
The lower part of the upper bracket 201 is a cylinder, the lower bracket 202 is rotationally connected with the bottom plate 40 through a second rotating shaft, the lower bracket 202 is provided with a cylindrical guide hole matched with the upper bracket 201 along the bracket axis, the upper bracket 201 is slidably connected with the lower bracket 202, the lower part of the upper bracket 201 is provided with a circular clamping groove 203, the upper end surface of the lower bracket 202 is rotationally connected with a clamping plate 204, and the clamping plate 204 is in a semicircular ring shape;
The bottom plate 40 is fixedly connected with a second chute plate 401, a second chute is arranged on the second chute plate 401, and a second positioning hole 402 is arranged on the second chute; one end of the auxiliary bracket 301 is hinged with the lower bracket, the other end of the auxiliary bracket 301 is connected with a second sliding block 403, the second sliding block 403 is in sliding connection with a second sliding groove, a second through hole is formed in the second sliding block 403, a second positioning rod 404 matched with the second positioning hole 402 is in sliding connection with the second sliding block 403, and a second pressure spring 405 is arranged between the second positioning rod 404 and the second sliding block 403.
A rack 1001 and a moving gear 1002 meshed with the rack 1001 are fixedly arranged at the rear end of the upper surface of the table plate 10 parallel to the cross beam 101, a driving gear 70 is fixedly connected to a first rotary shaft 804, a clutch 803 is arranged between the first rotary shaft 804 and the driving gear 70, the clutch can be in a separated state when the table plate is required to be rotated and the table top is not required to be cleaned, a speed increasing mechanism 80 is fixedly connected to the bottom surface of the table plate 10, an input gear of the speed increasing mechanism 80 is meshed with the driving gear 70, a first screw 801 is connected to an output shaft of the speed increasing mechanism 80, one end of the first screw 801 is fixedly connected to an output shaft of the speed increasing mechanism 80, the other end of the first screw 801 is rotatably connected to the bottom surface of the table plate 10 through a bearing seat, a first screw nut 802 is in threaded connection with a first screw nut 802, one end of the moving rod 90 is fixedly connected to the first screw nut 802, the other end of the moving rod 90 is rotatably connected to the moving gear 1002, the upper surface of the table plate 10 is provided with a moving plate 901, the moving plate 901 is provided with a hollow cavity 9010, the bottom surface of the moving plate 901 is connected to a first sponge body 9010 is provided with a first air inlet 1008, the lower surface of the first sponge body 10 is connected to the upper surface of the first sponge body 1008 is provided with a third sliding plate 1008, a lateral sliding groove 1008 is connected to the bottom of the first sliding plate 1008 is provided with a lateral sliding groove 1008, a lateral sliding groove 1008 is communicated with a lateral sliding groove is provided with a lateral sliding groove, and a lateral sliding groove is communicated with a lateral sliding groove is provided; a second screw rod 1003 is arranged in the cavity in the moving plate 901, one end of the second screw rod 1003 extends out of the moving plate 901 and is fixedly connected with a moving gear 1002, the other end of the second screw rod 1003 is rotatably connected with the moving plate 901, a second screw rod nut 1004 is connected to the second screw rod 1003 in a threaded mode, a push rod 10041 is fixedly connected to the second screw rod nut 1004, an air cylinder 1005 and an elastic air bag 1006 are fixedly connected to the upper surface of the moving plate 901, a piston in the air cylinder 1005 is fixedly connected with the push rod 10041, the air cylinder 1005 is communicated with the elastic air bag 1006 through a pipeline, and the elastic air bag 1006 is communicated with an exhaust passage;
The right end of the desk plate 10 is provided with a groove, a wet second sponge 9012 is arranged in the groove, a cover plate 9011 is arranged on the groove, a plurality of dust discharging holes are formed in the cover plate 9011, and a baffle 1009 is arranged on the right end face of the desk plate 10.
In order to make the study table structure more stable firm, bottom plate 40 includes left bottom plate 40 and right bottom plate 40, and left bottom plate passes through fixed plate 60 and right bottom plate fixed connection, the support contains left socle and right branch frame, and the upper end of left socle and right branch frame rotates with the both ends of crossbeam 101 respectively to be connected, and the lower extreme of left socle and right branch frame rotates with left bottom plate and right bottom plate respectively to be connected.
To facilitate movement and fixing of the learning table, a roller 50 and a locking mechanism 501 for locking the roller 50 are provided on the base plate 40.
The specific working process of the lifting and overturning adjustable learning table in the embodiment is as follows:
When the table 10 needs to be rotated, the clutch 803 is in a separated state, the first positioning rod 105 is pulled by hand to separate the first positioning rod 105 from the first positioning hole 103, the table 10 is rotated by taking the first rotating shaft 804 as a rotation center, the first sliding block 104 slides along the first sliding groove, when the table 10 rotates to a required angle, the first positioning rod 105 is stopped being pulled, and under the thrust of the first pressure spring 107, the first positioning rod 105 is inserted into the corresponding first positioning hole 103 to fix the table 10.
When the height of the desk plate 10 needs to be adjusted, the clamping plate 204 on the lower bracket 202 is broken off to enable the clamping plate 204 to leave the clamping groove 203, the upper bracket 201 can slide up and down along the guide hole of the lower bracket 202, the adjustment of the height of the desk top is realized, and after the desk top is adjusted to a proper height, the clamping plate 204 is clamped into the corresponding clamping groove 203 to fix the upper bracket 201 and the lower bracket 202;
when the learning table needs to be moved for a short distance, the locking mechanism 501 is in a non-locking state, the learning table is pushed to move to a required position, the locking mechanism 501 is in a locking state, and the roller 50 is locked to fix the learning table.
When the study desk needs to be folded and stored or transported conveniently, the second positioning rod 404 is pulled to enable the second positioning rod 404 to leave the second positioning hole 402, and the second sliding block 403 slides along the second sliding groove to enable the included angle between the auxiliary bracket 301 and the lower bracket 202 to be 180 degrees, so that the desk board 10 can be lowered to the lowest position.
When the surface of the table 10 needs to be cleaned, the clutch 803 is in a combined state, and the table 10 is rotated by taking the first rotating shaft 804 as a rotation center, so that the moving plate 901 moves back and forth on the surface of the table 10 to clean the table.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (8)
1. Study table with adjustable lift upset from top to bottom includes table, support and bottom plate in proper order, its characterized in that: the bottom surface of the table plate is fixedly connected with a cross beam, the bottom surface of the table plate is also fixedly connected with a first chute plate, a first chute is arranged on the first chute plate, and a plurality of first positioning holes are formed in the first chute; the support comprises a main support and an auxiliary support, the main support comprises an upper support and a lower support, the upper support is rotationally connected with a cross beam through a rotating shaft, a supporting rod is further arranged on the upper support, one end of the supporting rod is hinged with the upper support, the other end of the supporting rod is rotationally connected with a first sliding block, the first sliding block is in sliding connection with a first sliding groove, a first positioning rod corresponding to a first positioning hole is slidingly connected with the first sliding block, the lower support is rotationally connected with a bottom plate through a second rotating shaft, a guide hole matched with the upper support is arranged on the lower support along an axis, the upper support is rotationally connected with the lower support, a clamping groove is formed in the upper support, and the upper end face of the lower support is rotationally connected with a clamping plate; the bottom plate is fixedly connected with a second chute plate, a second chute is arranged on the second chute plate, and a second positioning hole is formed in the second chute; one end of the auxiliary support is hinged with the lower support, the other end of the auxiliary support is connected with a second sliding block, the second sliding block is in sliding connection with a second sliding groove, and a second positioning rod corresponding to the second positioning hole is in sliding connection with the second sliding block;
A rack and a movable gear meshed with the rack are fixedly arranged at the rear end of the surface of the table plate in parallel with the cross beam, a driving gear is fixedly connected to the first rotating shaft, a speed increasing mechanism is fixedly connected to the bottom surface of the table plate, an input of the speed increasing mechanism is meshed with the driving gear, a first screw rod is connected to an output shaft of the speed increasing mechanism, one end of the first screw rod is fixedly connected with the output shaft of the speed increasing mechanism, the other end of the first screw rod is rotationally connected with the bottom surface of the table plate through a bearing seat, a first screw rod nut is in threaded connection with the first screw rod, a movable rod is connected to the first screw rod nut, one end of the movable rod is fixedly connected with the first screw rod nut, the other end of the movable rod is rotationally connected with the movable gear, a movable plate is arranged on the upper surface of the table plate, the movable plate is a hollow cavity, the bottom surface of the movable plate is connected with a first sponge body, the lower surface of the first sponge body is in contact connection with the upper surface of the table plate, a plurality of exhaust holes communicated with the first sponge body and the hollow cavity are also arranged on the movable plate, a transverse sliding chute is arranged between the cavity of the movable plate and the upper surface of the table plate, a transverse sliding chute is arranged in the transverse sliding chute is arranged, a transverse sliding spring is arranged in the transverse sliding chute is arranged between the transverse sliding chute and the transverse sliding chute, and the transverse sliding chute is respectively connected with the transverse sliding chute and the transverse sliding chute is arranged between the transverse sliding chute and the transverse sliding plate; a second screw rod is arranged in the cavity in the moving plate, one end of the second screw rod extends out of the moving plate and is fixedly connected with the moving gear, the other end of the second screw rod is rotationally connected with the moving plate, a second screw rod nut is connected to the second screw rod in a threaded manner, a push rod is fixedly connected to the second screw rod nut, an air cylinder and an elastic air bag are fixedly connected to the upper surface of the moving plate, a piston in the air cylinder is fixedly connected with the push rod, the air cylinder is communicated with the elastic air bag through a pipeline, and the elastic air bag is communicated with the exhaust passage; the right end of the desk plate is provided with a groove, a wet second sponge body is arranged in the groove, a cover plate is arranged on the groove, a plurality of dust discharging holes are formed in the cover plate, and a baffle is arranged on the right end face of the desk plate.
2. The lift-and-turn adjustable learning table of claim 1 wherein: the upper bracket is a cylinder, and the guide hole is a cylinder hole.
3. The lift-and-turn adjustable learning table of claim 2 wherein: the clamping groove is a circular groove, and the clamping plate is a semicircular clamping plate.
4. A lift and tilt adjustable learning table as claimed in claim 3 wherein: the first sliding block is provided with a first through hole matched with the first positioning rod, and a first pressure spring is arranged between the first positioning rod and the first sliding block.
5. The lift-and-turn adjustable learning table of claim 4 wherein: the second sliding block is provided with two through holes matched with the second positioning rod, and a second pressure spring is arranged between the second positioning rod and the second sliding block.
6. The lift-and-turn adjustable learning table of claim 5 wherein: the bottom plate includes left bottom plate and right bottom plate, and left bottom plate passes through fixed plate and right bottom plate fixed connection, the support contains left socle and right branch frame, and the upper end of left socle and right branch frame rotates with the both ends of crossbeam respectively to be connected, and the lower extreme of left socle and right branch frame rotates with left bottom plate and right bottom plate respectively to be connected.
7. The lift-and-turn adjustable learning table of claim 6 wherein: the bottom plate is provided with rollers and a locking mechanism for locking the rollers.
8. The lift-and-turn adjustable learning table of claim 7 wherein: a clutch is arranged between the first rotating shaft and the driving gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625168.6A CN109527801B (en) | 2018-12-28 | 2018-12-28 | Lifting turnover adjustable learning table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625168.6A CN109527801B (en) | 2018-12-28 | 2018-12-28 | Lifting turnover adjustable learning table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109527801A CN109527801A (en) | 2019-03-29 |
| CN109527801B true CN109527801B (en) | 2024-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811625168.6A Active CN109527801B (en) | 2018-12-28 | 2018-12-28 | Lifting turnover adjustable learning table |
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| Country | Link |
|---|---|
| CN (1) | CN109527801B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804760A (en) * | 2020-06-29 | 2020-10-23 | 马鞍山市万鑫铸造有限公司 | Fine adjustment and correction mechanism for casting parts |
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| CN112296968A (en) * | 2020-11-16 | 2021-02-02 | 晋江宇若贸易有限公司 | Shoe and clothes processing table with liftable table top and adjustable angle and mounting method thereof |
| CN114343324B (en) * | 2022-01-14 | 2023-01-24 | 天长市西达克家居有限公司 | Lifting adjusting mechanism for folding furniture |
| CN114376333B (en) * | 2022-01-24 | 2023-03-24 | 浙江农林大学暨阳学院 | Auxiliary writing device |
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| CN107495622A (en) * | 2017-09-25 | 2017-12-22 | 台州小博士儿童用品有限公司 | The tiltable multifunction desk of desktop |
| CN107900993B (en) * | 2017-10-24 | 2020-04-28 | 重庆怡之驰机械有限公司 | Automatic slag removal workbench |
| CN108926112B (en) * | 2018-10-08 | 2021-02-23 | 佛山钡特办公系统设备有限公司 | Movable hidden office table |
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