CN110250772A - A kind of psychological consultation tables and chairs suitable for Vocational Colleges - Google Patents
A kind of psychological consultation tables and chairs suitable for Vocational Colleges Download PDFInfo
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- CN110250772A CN110250772A CN201910557394.3A CN201910557394A CN110250772A CN 110250772 A CN110250772 A CN 110250772A CN 201910557394 A CN201910557394 A CN 201910557394A CN 110250772 A CN110250772 A CN 110250772A
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- 230000001755 vocal Effects 0.000 title claims abstract description 20
- 230000001105 regulatory Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 5
- 210000002421 Cell Wall Anatomy 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 5
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000003340 mental Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004301 light adaptation Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- A47B13/08—Table tops; Rims therefor
-
- 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
- A47B83/00—Combinations comprising two or more pieces of furniture of different kinds
- A47B83/02—Tables combined with seats
-
- 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
- A47B97/00—Miscellaneous furniture; Miscellaneous accessories for furniture
Abstract
The invention discloses a kind of psychological consultation tables and chairs suitable for Vocational Colleges, including tables, seat, regulating mechanism, accommodating mechanism, movable plate and slide bar, the seat is arranged in tables' side activity, the upper surface of the tables is provided with accommodating mechanism, tables two sides bottom end is fixedly installed movable plate, the movable plate is symmetrical, and bottom face is slidably connected fixed plate, the fixed plate bottom face is provided with supporting leg, the fixed plate upper surface opens up fluted, the inside grooves sliding is provided with link block, the link block is fixed at the bottom face of movable plate, and it is consistent with the glide direction of movable plate, run through by wooden partition one end towards the other end and offers the threaded hole being threadedly coupled with threaded rod, one end cell wall of the threaded rod rotation connection groove.The features such as this is suitable for the psychological consultation tables and chairs of Vocational Colleges, structurally reasonable, has operation convenient, easy to use, can be widely popularized.
Description
Technical field
The invention belongs to teaching aid technical fields, and in particular to a kind of psychological consultation table suitable for Vocational Colleges
Chair.
Background technique
Psychological consultation refers to psychologic method, solves the problems, such as to ask to going wrong and seeking in terms of mental adaptation
The process of inquiry person's offer mental assistance.Need to solve the problems, such as and come the person of asking for help be known as visitor or consult visitor, side is provided
The consultant expert helped is known as consultant.Visitor is handed over regard to Psychological inadaptability or mental handicape existing for itself by spoken and written languages etc.
Medium is flowed, states, inquire and discusses to consultant, in the case where it is supported and is helped, is found out by common discussion and causes the heart
The reason of reason problem, the crux of problem analysis, and then the condition and countermeasure solved the problems, such as of seeking to extricate oneself from a predicament, to restore psychology
Balance improves the adaptability to environment, promotes physical and mental health.
Currently, professorship students are either still bigger from pressure itself from study, need to carry out psychological consultation
Slow down pressure, and the teaching tables and chairs that psychological consultation tables and chairs in the prior art use school common mostly, it is functional lower, and
Tables and chairs can issue the sound on the move, generate noise, require further improvement.
Summary of the invention
The purpose of the present invention is to provide a kind of psychological consultation tables and chairs suitable for Vocational Colleges, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: a kind of psychological consultation suitable for Vocational Colleges
Tables and chairs, including tables, seat, regulating mechanism, accommodating mechanism, movable plate and slide bar, the seat are arranged in tables' side activity,
The upper surface of the tables is provided with accommodating mechanism, and tables two sides bottom end is fixedly installed movable plate, the movable plate pair
Claim distribution, and bottom face is slidably connected fixed plate, the fixed plate bottom face is provided with supporting leg, and the fixed plate upper surface opens up
Fluted, inside grooves sliding is provided with link block, and the link block is fixed at the bottom face of movable plate, and with shifting
The glide direction of movable plate is consistent, is run through by wooden partition one end towards the other end and offers the threaded hole being threadedly coupled with threaded rod, institute
One end cell wall of threaded rod rotation connection groove is stated, the wooden partition that the other end passes through fixed plate extend out to outside, and fixes with knob
It is connected, the supporting leg is provided with four groups in the bottom fixed symmetrical distribution of two groups of fixed plates, in the lower section two of tables' long side
Connecting rod is fixedly installed between group supporting leg, level, which runs through, on the bar wall of the connecting rod offers two groups of through-holes, the through-hole
Inside passes through slide bar, and the slide bar parallelly distribute on is provided with two groups, and the upper surface of slide bar is vertically arranged with two groups of regulating mechanisms,
The seat is mounted on regulating mechanism, and the regulating mechanism includes at least the outer tube being fixedly linked with seat bottom face, and
The inner tube of slide bar upper surface is welded, said inner tube is slided towards outer tube, and the seat is close towards slide bar, the storage machine
Structure includes at least symmetrical top plate and bottom plate, is vertically arranged with two groups of side plates between the top plate and bottom plate, and side plate it
Between elasticity be provided with pressing plate.
Preferably, side plate described in two groups is symmetrically distributed in the upper surface both ends of bottom plate, and the inner vertical of side plate opens up cunning
Slot, the both ends of the pressing plate stretch to inside sliding slot and slide along sliding slot.
Preferably, the sliding slot inner vertical is provided with elastic rod, and the elastic rod includes at least in suspension sliding slot top
The fixing pipe of wall, and the moving tube inside fixing pipe is stretched to, the bottom of the fixing pipe offers opening, stretches for moving tube
Enter.
Preferably, the both ends upper surface of the pressing plate is fixedly connected with the bottom face of moving tube, and the moving tube stretches to solid
Determine one end Construction integration inside pipe and have to abut sliding block with fixing pipe bottom end opening side wall, the inner wall of the sliding block and fixing pipe it
Between be further fixedly arranged on spring, the moving tube elastic connection fixing pipe.
Preferably, the upper surface of pressing plate place placed in the middle is fixedly connected with the bottom face of pull rod, and the pull rod is vertically arranged, top
End is fixedly linked across the portion placed in the middle of top plate with turntable.
Preferably, four corners are provided with support rod between the top plate and bottom plate.
Preferably, it offers multiple groups thread groove on the outer wall of said inner tube, stretches on the outer wall of the outer tube longitudinally through having
Enter to the caging bolt of inside, thread groove of the caging bolt in inner tube will be screwed inner tube and outer tube.
Preferably, one end of the slide bar towards supporting leg is welded with limited block, and one end far from limited block is equipped with cunning
Wheel.
Technical effect and advantage of the invention: should suitable for Vocational Colleges psychological consultation tables and chairs, by movable plate with
The setting of fixed plate, allows tables to translate position in use, and the sliding of seat is cooperated to be arranged, and user is not necessarily to
It is practical because pulling tables and chairs to make a noise when leaving tables and chairs, by the setting of accommodating mechanism, psychological consultation can will be carried out
Individual is stored data, is risen by stretching pull rod band dynamic pressure plate, is put into data, and will be under pressing plate by the setting of elastic rod
Pressure can fix data, avoid data at random, also increase the cleaning of desktop, principle is simply easily realized, and seat can increase
Setting, effectively promotion comfort should be suitable for the psychological consultation tables and chairs of Vocational Colleges, structurally reasonable, have operation just
Victory, it is easy to use the features such as, can be widely popularized.
Detailed description of the invention
Fig. 1 is tables and Seat connection structure schematic diagram of the invention;
Fig. 2 is tables' schematic perspective view of the invention;
Fig. 3 is fixed plate schematic diagram of internal structure of the invention;
Fig. 4 is regulating mechanism structural schematic diagram of the invention;
Fig. 5 is accommodating mechanism unfolded state structural schematic diagram of the invention;
Fig. 6 is elastic rod structural schematic diagram of the invention.
In figure: 1 supporting leg, 2 movable plates, 3 fixed plates, 4 knobs, 5 limited blocks, 6 regulating mechanisms, 7 pulleys, 8 slide bars, 9 tables,
10 seats, 11 accommodating mechanisms, 12 connecting rods, 13 through-holes, 14 link blocks, 15 grooves, 16 threaded rods, 17 outer tubes, 18 thread grooves, 19
Caging bolt, 20 inner tubes, 21 side plates, 22 bottom plates, 23 support rods, 24 sliding slots, 25 elastic rods, 26 pull rods, 27 pressing plates, 28 turntables,
29 top plates, 30 fixing pipes, 31 sliding blocks, 32 springs, 33 moving tubes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of psychological consultation tables and chairs suitable for Vocational Colleges as shown in figures 1 to 6, including tables
9, seat 10, regulating mechanism 6, accommodating mechanism 11, movable plate 2 and slide bar 8, the seat 10 are arranged in 9 side activity of tables, institute
The upper surface for stating tables 9 is provided with accommodating mechanism 11, and the 9 two sides bottom end of tables is fixedly installed movable plate 2, the movable plate
2 is symmetrical, and bottom face is slidably connected fixed plate 3, and 3 bottom face of fixed plate is provided with supporting leg 1, in the fixed plate 3
Surface opens up fluted 15, and 15 internal slide of groove is provided with link block 14, and the link block 14 is fixed at movement
The bottom face of plate 2, and consistent with the glide direction of movable plate 2, by wooden partition one end towards the other end through offering and threaded rod
16 threaded holes being threadedly coupled, the threaded rod 16 are rotatablely connected one end cell wall of groove 15, and the other end passes through the plate of fixed plate 3
Wall extend out to outside, and is fixedly linked with knob 4, and the supporting leg 1 is provided in the bottom fixed symmetrical distribution of two groups of fixed plates 3
Four groups, connecting rod 12, the bar wall of the connecting rod 12 are fixedly installed between two groups of the lower section supporting leg 1 of 9 long side of tables
It is upper horizontal through two groups of through-holes 13 are offered, slide bar 8 is passed through inside the through-hole 13,8 parallelly distribute on of slide bar is provided with two
Group, and the upper surface of slide bar 8 is vertically arranged with two groups of regulating mechanisms 6, the seat 10 is mounted on regulating mechanism 6, the tune
Section mechanism 6 includes at least the outer tube 17 being fixedly linked with 10 bottom face of seat, and the inner tube 20 of welding 8 upper surface of slide bar, institute
Inner tube 20 is stated towards 17 internal slide of outer tube, the seat 10 is close towards slide bar 8, and the accommodating mechanism 11 includes at least symmetrical
The top plate 29 and bottom plate 22 of distribution, are vertically arranged with two groups of side plates 21, and between side plate 21 between the top plate 29 and bottom plate 22
Elasticity is provided with pressing plate 27, crosses the setting of movable plate 2 and fixed plate 3, allows tables 9 to translate position 0 in use, match
The sliding setting of seat 10 is closed, user is not necessarily to when leaving tables and chairs because pulling tables and chairs to make a noise, practical.
Specifically, side plate 21 described in two groups is symmetrically distributed in the upper surface both ends of bottom plate 22, and the inner vertical of side plate 21
Sliding slot 24 is opened up, the both ends of the pressing plate 27 stretch to 24 inside of sliding slot and slide along sliding slot 24.
Specifically, 24 inner vertical of sliding slot is provided with elastic rod 25, the elastic rod 25 includes at least suspension sliding slot
The fixing pipe 30 of 24 top inner walls, and the moving tube 33 inside fixing pipe 30 is stretched to, the bottom of the fixing pipe 30 opens up
There is opening, is protruded into for moving tube 33.
Specifically, the both ends upper surface of the pressing plate 27 is fixedly connected with the bottom face of moving tube 33, the moving tube 33 is stretched
Enter to one end Construction integration inside fixing pipe 30 to have and abut sliding block 31 with 30 bottom end opening side wall of fixing pipe, the sliding block 31 with
Spring 32, the 33 elastic connection fixing pipe 30 of moving tube, 33 court of moving tube are further fixedly arranged between the inner wall of fixing pipe 30
It is moved inside to fixing pipe 30, spring 32 is shunk.
Specifically, the upper surface place placed in the middle of the pressing plate 27 is fixedly connected with the bottom face of pull rod 26, the pull rod 26 is vertical
Setting, the portion placed in the middle that top passes through top plate 29 are fixedly linked with turntable 28, pull turntable 28, and pull rod 26 is driven to rise.
Specifically, four corners are provided with support rod 23 between the top plate 29 and bottom plate 22.
Specifically, offering multiple groups thread groove 18 on the outer wall of said inner tube 20, longitudinally worn on the outer wall of the outer tube 17
It crosses and stretches to internal caging bolt 19, the caging bolt 19 passes through the thread groove 18 in inner tube 20 for inner tube 20 and outer tube
It is screwed between 17, caging bolt 19 is mounted across thread groove 18, it is fixed between inner tube 20 and outer tube 17.
Specifically, one end of slide bar 8 towards the supporting leg 1 is welded with limited block 5, and one end far from limited block 5 is installed
There is pulley 7, slide bar 8 is slided by pulley 7.
Specifically, should be sliding first by 10 post-tensioning of seat suitable for the psychological consultation tables and chairs of Vocational Colleges, in use
Bar 8 is slided by pulley 7, and slide bar 8 is skidded off along the through-hole 13 in connecting rod 12, the setting of limited block 5, and slide bar 8 is avoided to slide
Connecting rod 12 is fallen out, 10 height of seat is adjusted according to the needs of use, caging bolt 19 is removed, outer tube 17 and inner tube 20 are stretched
To after needing height, caging bolt 19 is mounted across thread groove 18, fixed between inner tube 20 and outer tube 17, the height of seat 10
It adjusts and completes, also turning knob 4, knob 4 threaded rod 16 can be driven to rotate as needed, threaded rod 16 is matched with 14 screw thread of link block
It closes, link block 14 drives movable plate 2 mobile on the move, and then tables 9 are mobile, can adjust just close to student or teacher
Benefit, meanwhile, the data about psychological consultation can be placed on inside accommodating mechanism 11, first pulling turntable 28, drive pull rod 26
Rise, pull rod 26 rises with dynamic pressure plate 27, and pressing plate 27 is gradually distance from the upper surface of bottom plate 22, and elastic rod 25 is shunk, moving tube 33
It is moved inside towards fixing pipe 30, spring 32 is shunk, and after the completion of data is placed, is unclamped turntable 28, is passed through the elastic force of elastic rod 25
Under pressing plate 27 is pushed up (under spring 32 pushes up sliding block 31 and moving tube 33), pressing plate 27 holds out against data, and it is convenient to operate, and seat 10 is logical
It crosses slide bar 8 to skid off or slide into, user is not necessarily to when leaving tables and chairs because pulling tables and chairs to make a noise, and should be suitable for Vocational Higher Education institute
The psychological consultation tables and chairs in school, it is structurally reasonable, have operate it is convenient, it is easy to use the features such as, can be widely popularized.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of psychological consultation tables and chairs suitable for Vocational Colleges, including tables (9), seat (10), regulating mechanism (6), receipts
Receive mechanism (11), movable plate (2) and slide bar (8), it is characterised in that: the seat (10) is arranged in tables (9) side activity, institute
The upper surface for stating tables (9) is provided with accommodating mechanism (11), and tables (9) the two sides bottom end is fixedly installed movable plate (2), institute
It is symmetrical to state movable plate (2), and bottom face is slidably connected fixed plate (3), fixed plate (3) bottom face is provided with supporting leg
(1), fixed plate (3) upper surface opens up fluted (15), and groove (15) internal slide is provided with link block (14), institute
The bottom face that link block (14) is fixed at movable plate (2) is stated, and consistent with the glide direction of movable plate (2), by wooden partition one
End is rotatablely connected groove through the threaded hole being threadedly coupled with threaded rod (16), the threaded rod (16) is offered towards the other end
(15) one end cell wall, the wooden partition that the other end passes through fixed plate (3) extend out to outside, and is fixedly linked with knob (4), the branch
Leg (1) is provided with four groups in the bottom fixed symmetrical distribution of two groups of fixed plates (3), in two groups of the lower section of the tables (9) long side
It is fixedly installed between supporting leg (1) connecting rod (12), level, which runs through, on the bar wall of the connecting rod (12) offers two groups of through-holes
(13), slide bar (8) are passed through inside the through-hole (13), slide bar (8) parallelly distribute on is provided with two groups, and slide bar (8) is upper
Surface is vertically arranged with two groups of regulating mechanisms (6), and the seat (10) is mounted on regulating mechanism (6), the regulating mechanism (6)
Including at least the outer tube (17) being fixedly linked with seat (10) bottom face, and the inner tube (20) of welding slide bar (8) upper surface, institute
Inner tube (20) is stated towards outer tube (17) internal slide, the seat (10) is close towards slide bar (8), and the accommodating mechanism (11) is extremely
Less include symmetrical top plate (29) and bottom plate (22), is vertically arranged with two groups of sides between the top plate (29) and bottom plate (22)
Plate (21), and elasticity is provided with pressing plate (27) between side plate (21).
2. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: two groups of institutes
The upper surface both ends that side plate (21) is symmetrically distributed in bottom plate (22) are stated, and the inner vertical of side plate (21) opens up sliding slot (24), institute
The both ends for stating pressing plate (27) stretch to sliding slot (24) inside and slide along sliding slot (24).
3. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 2, it is characterised in that: the cunning
Slot (24) inner vertical is provided with elastic rod (25), and the elastic rod (25) includes at least consolidating for suspension sliding slot (24) top inner wall
Fixed pipe (30), and the internal moving tube (33) of fixing pipe (30) is stretched to, the bottom of the fixing pipe (30) offers opening,
It is protruded into for moving tube (33).
4. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: the pressure
The both ends upper surface of plate (27) is fixedly connected with the bottom face of moving tube (33), and the moving tube (33) stretches in fixing pipe (30)
One end Construction integration in portion has to abut sliding block (31) with fixing pipe (30) bottom end opening side wall, the sliding block (31) and fixing pipe
(30) it is further fixedly arranged between inner wall spring (32), moving tube (33) the elastic connection fixing pipe (30).
5. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: the pressure
The upper surface place placed in the middle of plate (27) is fixedly connected with the bottom face of pull rod (26), and the pull rod (26) is vertically arranged, and top passes through top
The portion placed in the middle of plate (29) is fixedly linked with turntable (28).
6. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: the top
Four corners are provided with support rod (23) between plate (29) and bottom plate (22).
7. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: in described
Manage and offered multiple groups thread groove (18) on the outer wall of (20), on the outer wall of the outer tube (17) longitudinally through have stretch to it is internal
Caging bolt (19), the caging bolt (19) pass through the thread groove (18) on inner tube (20) by inner tube (20) and outer tube (17) it
Between be screwed.
8. a kind of psychological consultation tables and chairs suitable for Vocational Colleges according to claim 1, it is characterised in that: the cunning
One end of bar (8) towards supporting leg (1) is welded with limited block (5), and one end far from limited block (5) is equipped with pulley (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910557394.3A CN110250772A (en) | 2019-06-25 | 2019-06-25 | A kind of psychological consultation tables and chairs suitable for Vocational Colleges |
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CN201910557394.3A CN110250772A (en) | 2019-06-25 | 2019-06-25 | A kind of psychological consultation tables and chairs suitable for Vocational Colleges |
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Publication Number | Publication Date |
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CN110250772A true CN110250772A (en) | 2019-09-20 |
Family
ID=67921467
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CN201910557394.3A Pending CN110250772A (en) | 2019-06-25 | 2019-06-25 | A kind of psychological consultation tables and chairs suitable for Vocational Colleges |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2498908Y (en) * | 2001-07-16 | 2002-07-10 | 林水银 | Desk top adjuster |
CN204519872U (en) * | 2015-04-22 | 2015-08-05 | 贾彦雯 | A kind of high school student's classroom learning bookend special |
CN107568962A (en) * | 2017-10-12 | 2018-01-12 | 钦州学院 | Integral type desk and chair |
CN108030236A (en) * | 2017-12-12 | 2018-05-15 | 曹诗晴 | A kind of desk for being conducive to file consolidation |
CN109043855A (en) * | 2018-10-09 | 2018-12-21 | 赵颖涵 | One kind preventing the corrugated desk of papery learning materials and its application method |
KR20190070208A (en) * | 2017-12-12 | 2019-06-20 | 최원일 | Adjustable Lecture desk and chair |
-
2019
- 2019-06-25 CN CN201910557394.3A patent/CN110250772A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2498908Y (en) * | 2001-07-16 | 2002-07-10 | 林水银 | Desk top adjuster |
CN204519872U (en) * | 2015-04-22 | 2015-08-05 | 贾彦雯 | A kind of high school student's classroom learning bookend special |
CN107568962A (en) * | 2017-10-12 | 2018-01-12 | 钦州学院 | Integral type desk and chair |
CN108030236A (en) * | 2017-12-12 | 2018-05-15 | 曹诗晴 | A kind of desk for being conducive to file consolidation |
KR20190070208A (en) * | 2017-12-12 | 2019-06-20 | 최원일 | Adjustable Lecture desk and chair |
CN109043855A (en) * | 2018-10-09 | 2018-12-21 | 赵颖涵 | One kind preventing the corrugated desk of papery learning materials and its application method |
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