CN112293961B - Examination anti-cheating desk - Google Patents
Examination anti-cheating desk Download PDFInfo
- Publication number
- CN112293961B CN112293961B CN202011198780.7A CN202011198780A CN112293961B CN 112293961 B CN112293961 B CN 112293961B CN 202011198780 A CN202011198780 A CN 202011198780A CN 112293961 B CN112293961 B CN 112293961B
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- plate
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- rod
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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
- A47B41/00—School desks or tables
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/02—Underframes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention relates to a desk, in particular to an examination anti-cheating desk. The invention provides an examination anti-cheating desk which effectively saves desk resources and is beneficial to monitoring and forming good examination room weather. An examination anti-cheating desk comprising: the top of the bottom plate is symmetrically provided with sliding chutes, and supports are arranged in the sliding chutes in a sliding manner; the table plates are symmetrically arranged between the tops of the supports; the separating mechanism is arranged on one side of the top of the bottom plate; the bottom of the table plate is provided with a contraction mechanism; a shielding mechanism is arranged between the two table plates. The two supports move back to pull the two desk plates apart, so that two seats are separated, and desk resources are effectively saved.
Description
Technical Field
The invention relates to a desk, in particular to an examination anti-cheating desk.
Background
Professional skill examination and professional qualification examination are emerging in recent years, and a system for informationizing social human resources is developed, and in an examination room, poor examination room weather is eliminated in order to strive for fairness and justice. The desk is the examination room main facilities, and present desk also more and more matches on different occasions and service function, and examination room desk live time is short, and the quantity of purchase also becomes a waste, and the desk that the examination room chose for use is various, and examinee's half body is sheltered from by the desk completely, is unfavorable for invigilator's visual field control, and the sight is visible between the examinee, can't form good examination room wind and gas.
Therefore, there is a need to develop an examination anti-cheating desk which can effectively save desk resources and is beneficial to monitoring and forming good examination room weather, so as to solve the above problems.
Disclosure of Invention
In order to overcome the defects that the waste of the number of desk purchases in an examination room is not favorable for the visual field monitoring of invigilators and good examination room weather cannot be formed, the invention has the technical problems that: the anti-cheating desk for the examination effectively saves desk resources and is beneficial to monitoring and forming good examination room weather.
The technical implementation scheme of the invention is as follows: an examination anti-cheating desk comprising: the top of the bottom plate is symmetrically provided with sliding chutes, and supports are arranged in the sliding chutes in a sliding manner; the table plates are symmetrically arranged between the tops of the supports; the separating mechanism is arranged on one side of the top of the bottom plate; the bottom of the table plate is provided with a contraction mechanism; a shielding mechanism is arranged between the two table plates.
Optionally, the separation mechanism comprises: the first fixing block is arranged on one side of the middle part of the bottom plate; the top of the first fixed block is provided with a first straight sliding groove plate; one side of the first fixed block is provided with a first bearing seat; the screw rod is rotatably arranged on the first bearing seat; the screw rod is provided with a nut in a sliding manner; the second bearing seat is arranged on the outer surface of the nut; the rotating shaft is rotatably arranged on the second bearing seat; the lower parts of the two supports close to one side of the first straight sliding groove plate are provided with third bearing seats; two ends of the rotating shaft are symmetrically hinged with first connecting rods, and one ends of the two first connecting rods, which are far away from the rotating shaft, are respectively hinged with the two third bearing seats; the first handle is arranged at the top of the screw rod.
Optionally, the retraction mechanism comprises: the fourth bearing seats are symmetrically arranged on one side, close to the support, of the bottom of the table plate; one side of the fourth bearing seat is hinged with a second connecting rod; the third connecting rod is connected between the second connecting rods on the same side; the placing plate is arranged between the two second connecting rods.
Optionally, the shielding mechanism comprises: the first guide rods are symmetrically arranged on one side of the bottom of the desk plate, which is far away from the bracket; the first guide rod is provided with a first slide block in a sliding manner; the desk plate is provided with a rectangular through hole, a baffle is arranged between the two first sliding blocks, and the baffle slides in the rectangular through hole; the first elastic piece is sleeved on the first guide rod.
Optionally, the method further comprises: the arc-shaped chute plate is arranged at one side of the bottom of the desk plate, which is close to the second connecting rod; the second sliding block is arranged on one side, close to the arc-shaped chute plate, of the second connecting rod and is in sliding fit with the arc-shaped chute plate; and a second elastic piece is arranged in the arc-shaped chute plate, one end of the second elastic piece is connected with the second sliding block, and the other end of the second elastic piece is connected in the arc-shaped chute plate.
Optionally, the method further comprises: the middle part of the inner wall of one side of the base, which is close to the bracket, is provided with a second fixed block; the second guide rod is arranged on the second fixed block; the middle of the second guide rod is sleeved with the third elastic part; the first wedge block and the first wedge block are arranged at the two ends of the second guide rod in a sliding mode.
Optionally, the method further comprises: the top of the first wedge-shaped block is provided with a second wedge-shaped block; the middle part of the outer wall of one side of the base, which is close to the bracket, is provided with a third fixed block; the top of the third fixed block is provided with a third guide rod; the middle of the third guide rod is sleeved with the fourth elastic part; the top of the third guide rod is provided with a third sliding block in a sliding manner; the second fixed rods are arranged on two sides of the third sliding block; the base is provided with a first straight sliding groove plate at one side close to the first fixed block; one end of the third fixing rod is fixedly connected with the third sliding block, and the other end of the third fixing rod is connected in the second straight sliding groove plate in a sliding mode; and a second handle is arranged at one end, close to the second straight chute plate, of the third fixed rod.
Optionally, the fourth elastic member is a compression spring.
The invention has the following advantages: 1. the two supports move back to pull the two desk plates apart, so that two seats are separated, and desk resources are effectively saved.
2. The placing plate moves upwards to be close to the bottom of the desk plate, so that the bottom of the desk forms a completely open visual field, and monitoring is facilitated.
3. The first sliding block drives the baffle to rise upwards in the rectangular through hole of the table plate, so that the effect of blocking the sight of the seats on two sides is achieved, and good air and gas of the examination room are formed.
4. After the support passes through the first wedge block, the first wedge block resets under the elasticity of the third elastic piece, and the reverse side of the first wedge block blocks the support to limit the movement of the support.
5. The third sliding block drives the second fixing rod to move downwards so as to enable the second wedge block to move inwards, and the second wedge block drives the first wedge block to move inwards, so that the first wedge block is separated from blocking the support.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the separating mechanism of the present invention.
Fig. 3 is a schematic perspective view of the retracting mechanism of the present invention.
Fig. 4 is a schematic perspective view of the shielding mechanism of the present invention.
Fig. 5 is a partial perspective view of the present invention.
The meaning of the reference symbols in the figures: 1: bottom plate, 2: a bracket, 3: table, 4: separation mechanism, 41: first fixing block, 42: first straight chute plate, 43: first bearing seat, 44: screw rod, 45: nut, 46: second bearing housing, 47: rotating shaft, 48: third bearing housing, 49: first link, 410: first handle, 5: contracting mechanism, 51: fourth bearing seat, 52: second link, 53: third link, 54: placing plate, 6: shielding mechanism, 61: first guide bar, 62: first slider, 63: baffle, 64: first elastic member, 7: arc chute board, 8: second slider, 9: second elastic member, 10: second fixed block, 11: second guide bar, 12: third elastic member, 13: first wedge block, 14: second wedge block, 15: third fixed block, 16: third guide bar, 17: fourth elastic member, 18: third slider, 19: second fixing lever, 20: second straight chute plate, 21: third fixing lever, 22: a second handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
As shown in fig. 1, a desk of practising fraud is prevented in examination, including bottom plate 1, support 2, table 3, separating mechanism 4, shrink mechanism 5 and shelter from mechanism 6, the spout has been opened to 1 top symmetry of bottom plate, and the spout inward sliding formula is provided with support 2, and the symmetry is provided with table 3 between the 2 tops of support, and 1 top one side of bottom plate is provided with separating mechanism 4, and table 3 bottom is provided with shrink mechanism 5, is provided with between two tables 3 and shelters from mechanism 6.
In the desk occasion for examination, the desk can stretch and expand the desk plate 3 through the separating mechanism 4 to effectively separate two seats, the contraction mechanism 5 can enable the bottom of the desk to form a completely open visual field, and meanwhile, the shielding mechanism 6 is jacked up to form the effect of blocking the visual lines of the seats on two sides. Thus, a cheating environment is avoided, and good air of the examination room is formed.
Example 2
As shown in fig. 2, 3 and 4, based on embodiment 1, the separating mechanism 4 includes a first fixing block 41, a first straight chute plate 42, a first bearing seat 43, a lead screw 44, a nut 45, a second bearing seat 46, a rotating shaft 47, a third bearing seat 48, a first connecting rod 49 and a first handle 410, the first fixing block 41 is disposed on one side of the middle portion of the bottom plate 1, the first straight chute plate 42 is disposed on the top of the first fixing block 41, the first bearing seat 43 is disposed on one side of the first fixing block 41, the lead screw 44 is rotatably disposed on the first bearing seat 43, the nut 45 is slidably disposed on the lead screw 44, the second bearing seat 46 is disposed on the outer surface of the nut 45, the rotating shaft 47 is rotatably disposed on the second bearing seat 46, the third bearing seats 48 are disposed on the lower portions of the two brackets 2 near one side of the first straight chute plate 42, the two ends of the rotating shaft 47 are symmetrically hinged to the first connecting rod 49, one ends of the two first connecting rods 49 far away from the rotating shaft 47 are respectively connected to the two third bearing seats 48 in a hinged manner, and the top of the screw 44 is provided with a first handle 410.
Under the original shape of the desk, a worker rotates the first handle 410, the first handle 410 drives the screw rod 44 to rotate and further drives the nut 45 to move downwards, the nut 45 drives the second bearing seat 46 to move downwards and further drives the rotating shaft 47 to move downwards, the two first connecting rods 49 hinged to the rotating shaft 47 respectively push the two third bearing seats 48 to move backwards, the two third bearing seats 48 respectively drive the two supports 2 to move backwards on the bottom plate 1, the two supports 2 move backwards and pull the two desk plates 3 apart, and therefore the two seats are separated, and desk resources are effectively saved.
The retracting mechanism 5 comprises a fourth bearing seat 51, a second connecting rod 52, a third connecting rod 53 and a placing plate 54, the fourth bearing seats 51 are symmetrically arranged on one side of the bottom of the table plate 3 close to the support 2, the second connecting rod 52 is hinged to one side of the fourth bearing seats 51, the third connecting rod 53 is connected between the second connecting rods 52 on the same side, and the placing plate 54 is arranged between the two third connecting rods 53.
The shielding mechanism 6 comprises a first guide rod 61, a first sliding block 62, a baffle 63 and a first elastic piece 64, wherein the first guide rod 61 is symmetrically arranged at one side of the bottom of the table plate 3 far away from the support 2, the first sliding block 62 is arranged on the first guide rod 61 in a sliding manner, a rectangular through hole is formed in the table plate 3, the baffle 63 is arranged between the two first sliding blocks 62, the baffle 63 slides in the rectangular through hole, and the first elastic piece 64 is sleeved on the first guide rod 61.
Meanwhile, the two desk plates 3 respectively drive the second connecting rods 52 connected with the desk plates to move back to back in the pulling process, the second connecting rods 52 move back to drive the third connecting rods 53 to move upwards so as to drive the placing plates 54 to move upwards, and the placing plates 54 move upwards to be close to the bottoms of the desk plates 3, so that the bottoms of the desk plates form a completely open visual field. In the process of moving the placing plate 54 upwards, the first sliding block 62 is pushed to slide on the first guide rod 61, and the first sliding block 62 drives the baffle 63 to lift upwards in the rectangular through hole of the table plate 3, so that the effect of blocking the sight of the seats on the two sides is achieved.
Example 3
As shown in fig. 3 and 5, based on embodiment 2, the desk further includes an arc-shaped chute plate 7, a second slider 8 and a second elastic member 9, the arc-shaped chute plate 7 is disposed at one side of the bottom of the desk board 3 close to the second connecting rod 52, the second slider 8 is disposed at one side of the front second connecting rod 52 close to the arc-shaped chute plate 7, the second slider 8 is in sliding fit with the arc-shaped chute plate 7, the second elastic member 9 is disposed in the arc-shaped chute plate 7, one end of the second elastic member 9 is connected to the second slider 8, and the other end of the second elastic member is connected to the arc-shaped chute plate 7.
At the initial shape of placing board 54 or with table 3 bottom and draw together the shape, the second slider 8 that sets up on second connecting rod 52 slides in arc chute board 7 all the time, prevents effectively placing rocking of board 54 to play limiting displacement.
The support is characterized by further comprising a second fixed block 10, a second guide rod 11, a third elastic part 12 and a first wedge-shaped block 13, the second fixed block 10 is arranged in the middle of the inner wall of the base close to one side of the support 2, the second guide rod 11 is arranged on the second fixed block 10, the third elastic part 12 is sleeved in the middle of the second guide rod 11, and the first wedge-shaped block 13 is arranged at two ends of the second guide rod 11 in a sliding mode.
In addition, the support 2 pushes against the first wedge-shaped block 13 in the movement on the bottom plate 1, the first wedge-shaped block 13 is forced to move inwards on the second guide rod 11, after the support 2 passes through the first wedge-shaped block 13, the first wedge-shaped block 13 is reset under the elastic force of the third elastic piece 12, and the reverse side of the first wedge-shaped block 13 blocks the support 2 to limit the movement of the support 2.
Also comprises a second wedge-shaped block 14, a third fixed block 15, a third guide rod 16, a fourth elastic element 17, a third slide block 18, a second fixed rod 19, a second straight chute plate 20, a third fixed rod 21 and a second handle 22, the top of the first wedge-shaped block 13 is provided with a second wedge-shaped block 14, the middle of the outer wall of one side of the base close to the bracket 2 is provided with a third fixed block 15, the top of the third fixed block 15 is provided with a third guide rod 16, a fourth elastic part 17 is sleeved in the middle of the third guide rod 16, the top of the third guide rod 16 is slidably provided with a third sliding block 18, two sides of the third sliding block 18 are respectively provided with a second fixed rod 19, one side of the base close to the first fixed block 41 is provided with a second straight sliding chute plate 20, one end of the third fixed rod 21 is fixedly connected with the third sliding block 18, the other end of the third fixed rod is slidably connected in the second straight sliding chute plate 20, and one end of the third fixed rod 21 close to the second straight sliding chute plate 20 is provided with a second handle 22.
When the desk needs to restore the original shape after being unfolded, the second handle 22 is pressed, the second handle 22 drives the third fixing rod 21 to slide downwards in the second straight sliding chute plate 20, the third fixing rod 21 drives the third sliding block 18 to slide downwards on the third guide rod 16, the third sliding block 18 drives the second fixing rod 19 to move downwards so as to further enable the second wedge-shaped block 14 to move inwards, and the second wedge-shaped block 14 drives the first wedge-shaped block 13 to move inwards, so that the first wedge-shaped block 13 is separated from blocking the support 2. Then, the worker reversely rotates the first handle 410 to reset the desk plate 3, the desk plate 3 resets to make the second connecting rod 52 lose tension, and then the placing plate 54 resets, and the baffle 63 resets under the elastic action of the first elastic member 64, thereby completing the restoration of the desk.
The fourth elastic member 17 is a compression spring, which is a coil spring that receives a biasing force and contracts and deforms when an external load is applied, thereby storing deformation energy.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides a desk of practising fraud is prevented in examination which characterized by includes:
the top of the bottom plate (1) is symmetrically provided with sliding chutes, and the sliding chutes are internally provided with brackets (2) in a sliding manner;
the table plates (3) are symmetrically arranged between the tops of the table plates (3) and the supports (2);
the separating mechanism (4) is arranged on one side of the top of the bottom plate (1);
the bottom of the table plate (3) is provided with a contraction mechanism (5);
a shielding mechanism (6), wherein the shielding mechanism (6) is arranged between the two table plates (3);
the separation mechanism (4) comprises:
the first fixing block (41) is arranged on one side of the middle of the bottom plate (1);
the top of the first fixed block (41) is provided with a first straight sliding groove plate (42);
the first bearing seat (43) is arranged on one side of the first fixing block (41);
the screw rod (44) is rotatably arranged on the first bearing seat (43);
the nut (45) is arranged on the screw rod (44) in a sliding mode;
the second bearing seat (46) is arranged on the outer surface of the nut (45);
the rotating shaft (47) is rotatably arranged on the second bearing seat (46);
the lower parts of the two brackets (2) close to one side of the first straight sliding groove plate (42) are respectively provided with a third bearing seat (48);
two ends of the rotating shaft (47) are symmetrically and hingedly provided with first connecting rods (49), and one ends, far away from the rotating shaft (47), of the two first connecting rods (49) are respectively and hingedly connected to the two third bearing seats (48);
the top of the screw rod (44) is provided with a first handle (410);
the contraction mechanism (5) includes:
the fourth bearing seat (51) is symmetrically arranged on one side, close to the support (2), of the bottom of the table plate (3);
one side of the fourth bearing seat (51) is provided with a second connecting rod (52) in a hinged mode;
the third connecting rod (53) is connected between the second connecting rods (52) on the same side;
a placing plate (54), wherein the placing plate (54) is arranged between the two second connecting rods (52);
the shielding mechanism (6) comprises:
the first guide rods (61) are symmetrically arranged on one side of the bottom of the table plate (3) far away from the bracket (2);
the first sliding block (62) is arranged on the first guide rod (61) in a sliding mode;
the desk plate (3) is provided with a rectangular through hole, the baffle (63) is arranged between the two first sliding blocks (62), and the baffle (63) slides in the rectangular through hole;
the first elastic piece (64) is sleeved on the first guide rod (61).
2. The desk of claim 1, wherein the desk further comprises:
the arc-shaped chute plate (7) is arranged on one side, close to the second connecting rod (52), of the bottom of the table plate (3);
a second sliding block (8) is arranged on one side, close to the arc-shaped chute plate (7), of the second connecting rod (52), and the second sliding block (8) is in sliding fit with the arc-shaped chute plate (7);
and a second elastic piece (9) is arranged in the arc-shaped chute plate (7), one end of the second elastic piece (9) is connected with a second sliding block (8), and the other end of the second elastic piece is connected in the arc-shaped chute plate (7).
3. The desk of claim 2, wherein the desk further comprises:
the middle part of the inner wall of one side of the base, which is close to the bracket (2), is provided with a second fixed block (10);
the second guide rod (11) is arranged on the second fixed block (10);
the middle of the second guide rod (11) is sleeved with the third elastic part (12);
the two ends of the first wedge-shaped block (13) and the second guide rod (11) are both provided with the first wedge-shaped block (13) in a sliding manner.
4. The desk of claim 3, wherein the desk further comprises:
the top of the first wedge-shaped block (13) is provided with a second wedge-shaped block (14);
the middle part of the outer wall of one side of the base, which is close to the bracket (2), is provided with a third fixed block (15);
a third guide rod (16), wherein the top of the third fixed block (15) is provided with the third guide rod (16);
the middle of the third guide rod (16) is sleeved with the fourth elastic part (17);
a third sliding block (18) is arranged at the top of the third guide rod (16) in a sliding manner;
the second fixing rods (19) are arranged on two sides of the third sliding block (18);
the base is provided with a second straight sliding groove plate (20) close to one side of the first fixed block (41);
one end of the third fixing rod (21) is fixedly connected with the third sliding block (18), and the other end of the third fixing rod (21) is connected in the second straight sliding groove plate (20) in a sliding manner;
a second handle (22) is arranged at one end of the third fixing rod (21) close to the second straight chute plate (20).
5. An examination anti-cheating desk according to claim 4, wherein said fourth resilient member (17) is a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198780.7A CN112293961B (en) | 2020-10-31 | 2020-10-31 | Examination anti-cheating desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011198780.7A CN112293961B (en) | 2020-10-31 | 2020-10-31 | Examination anti-cheating desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112293961A CN112293961A (en) | 2021-02-02 |
| CN112293961B true CN112293961B (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011198780.7A Active CN112293961B (en) | 2020-10-31 | 2020-10-31 | Examination anti-cheating desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112293961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475859B (en) * | 2021-07-29 | 2023-07-25 | 江西万友实业有限公司 | Multifunctional desk and chair for students |
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| DE4419809A1 (en) * | 1994-06-06 | 1995-12-07 | Erwin Nagel | Desk, esp. desk top for boss or supervisor |
| JP4333992B2 (en) * | 2004-03-31 | 2009-09-16 | 株式会社オーキン | Serving table |
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| CN205250810U (en) * | 2015-12-30 | 2016-05-25 | 王明新 | A student desk |
| CN205625155U (en) * | 2016-04-14 | 2016-10-12 | 魏浩然 | Students special studys table with flexible function |
| CN107518606A (en) * | 2016-04-14 | 2017-12-29 | 云和漫行者玩具有限公司 | A kind of learning table special for students with Telescopic |
| CN206390562U (en) * | 2016-09-23 | 2017-08-11 | 廖良成 | Electric lifting computer desk and its desk |
| CN207444557U (en) * | 2017-05-22 | 2018-06-05 | 柳兄荣 | A kind of adjustable dining table |
| CN108095337A (en) * | 2017-12-21 | 2018-06-01 | 张文帅 | Study table with Telescopic |
| CN210809863U (en) * | 2017-12-29 | 2020-06-23 | 蔡雨昕 | Desk with adjustable storing plate |
| CN108294483A (en) * | 2018-04-18 | 2018-07-20 | 袁乙心 | A kind of desk with Multilayer lift type book laying board conveniently fetched |
| CN209171622U (en) * | 2018-07-12 | 2019-07-30 | 潘广勋 | A kind of mathematical education desk facilitating adjustment length |
| CN211154430U (en) * | 2019-09-30 | 2020-08-04 | 肖泽恒 | Anti-cheating desk |
| CN211431601U (en) * | 2019-10-15 | 2020-09-08 | 温州市南浦实验中学 | Desk with automatic telescopic partition plate |
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- 2020-10-31 CN CN202011198780.7A patent/CN112293961B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208243191U (en) * | 2018-02-08 | 2018-12-18 | 太原学院 | A kind of multi-media desk for College English Listening Teaching |
| CN209171572U (en) * | 2018-07-27 | 2019-07-30 | 合肥品冠科教设备有限公司 | Desk whiteboard structure and its desk |
| CN108968333A (en) * | 2018-09-21 | 2018-12-11 | 深圳智慧前线科技有限公司 | A kind of liftable desk |
| CN210747979U (en) * | 2019-09-04 | 2020-06-16 | 范荣 | Multifunctional desk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112293961A (en) | 2021-02-02 |
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