CN104757786A - Desk for teaching - Google Patents
Desk for teaching Download PDFInfo
- Publication number
- CN104757786A CN104757786A CN201510125749.3A CN201510125749A CN104757786A CN 104757786 A CN104757786 A CN 104757786A CN 201510125749 A CN201510125749 A CN 201510125749A CN 104757786 A CN104757786 A CN 104757786A
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- pin
- desk
- wheel
- instrument cases
- teaching
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention relates to a desk for teaching. The desk comprises a first desk plate, a second desk plate, a first desk leg, a desk plate tilting device, a second desk leg, a desk plate lifting device, a tool box and a tool box self-locking device; the first desk plate is pivoted to the second desk plate; the front end of the second desk plate is hinged to the first desk leg; the desk plate tilting device is mounted on the first desk leg and connected against the bottom of the second desk plate; the first desk leg is inserted into the second desk leg and is capable of moving up and down along the second desk leg; the desk plate tilting device is mounted on the first desk leg and the second desk leg; the lower end of the tool box is pivoted to the second desk leg, while the upper end of the tool box is connected to the second desk leg; the tool box self-locking device is mounted on the tool box; a first clamping plate is arranged on the second desk leg; the tool box self-locking device is clamped with the clamping plate. The height of the desk for teaching can be adjusted freely and the angle and the size of the desktop can be adjusted freely, so that students can keep the most comfortable posture in use; as a result, the fatigue can be relieved and the studying efficiency can be improved; the desk has excellent practicability.
Description
Technical field
The present invention relates to a kind of desk, be specifically related to a kind of teaching desk, belong to teaching aid technical field.
Background technology
As everyone knows, the Desktop Dimensions of the desk of prior art is highly all fixing, free indexing can not exist, has certain application limitation.
Therefore, for solving the problems of the technologies described above, the necessary teaching desk providing a kind of innovation, to overcome described defect of the prior art.
Summary of the invention
For solving the problem, the object of the present invention is to provide the free adjustable height of a kind of energy, free adjustment tabletop angles and size and there is the teaching desk of instrument cases auto-lock function.
For achieving the above object, the technical scheme that the present invention takes is: a kind of teaching desk, and it comprises the first table, second desk board, first pin, table tilting gearing, second pin, table lowering or hoisting gear, instrument cases and instrument cases self-locking device; Wherein, described first table is articulated on second desk board, between described first table, second desk board, be provided with rubber bar; Described first table comprises the first desktop and the second desktop, and described first desktop is connected by some latent hinged flaps with the second desktop; The front end of described second desk board is hinged on first pin; Described table tilting gearing is installed on first pin, and it abuts the bottom to second desk board; Described first pin inserts second pin, and can along second pin lifting; Described table lowering or hoisting gear is installed on first pin and second pin; The lower end of described instrument cases is pivoted to the side of second pin, and upper end is connected on second pin by connecting rod; Described instrument cases self-locking device is installed on instrument cases; A clamp is provided with in second pin; Described instrument cases self-locking device energy and the clamping of clamp phase.
Teaching desk of the present invention is set to further: described table tilting gearing comprises first-hand wheel shaft, the first angular wheel, the second angular wheel, drive screw, thrust ball bearing and drive plate; Wherein, described first-hand wheel shaft one end is provided with one first handwheel, and the other end is provided with described first angular wheel; Described first angular wheel and the engagement of the second angular wheel; Described drive screw and the second angular wheel affixed, and and second angular wheel interlock; The bottom of described drive screw and thrust ball bearing coordinate, top and drive plate bolt; Described thrust ball bearing is installed on first pin; Described drive plate is installed on the bottom of second desk board.
Teaching desk of the present invention is set to further: the bottom of described second desk board is provided with guiding carrier, and this guide support is set on drive screw.
Teaching desk of the present invention is set to further: described table lowering or hoisting gear comprises second-hand's wheel shaft, hinge wheel, minor sprocket, main shaft, bevel gear wheel, bevel pinion, T-shaped screw mandrel and lifting nut; Wherein, described second-hand's wheel shaft is articulated on second pin, it is provided with one second handwheel; Described hinge wheel is immobilizated on second-hand's wheel shaft; Described minor sprocket is immobilizated on main shaft, is connected between itself and hinge wheel by a chain; Described main shaft is also articulated on second pin, it is provided with described bevel gear wheel; Described bevel pinion and bevel gear wheel engagement, it is installed in the bottom of T-shaped screw mandrel; Described second pin is provided with mount pad, and described T-shaped screw mandrel is articulated on mount pad; Described lifting nut is fixed on first pin, itself and T-shaped screw mandrel bolt.
Teaching desk of the present invention is set to further: on described main shaft, be provided with a foot-operated flywheel micro-adjusting mechanism.
Teaching desk of the present invention is set to further: be provided with gusset plate in the top of described second pin, described first pin of this gusset plate clamping.
Teaching desk of the present invention is set to further: described instrument cases self-locking device comprises pedestal, push rod, lock dog and spring; Described pedestal is immobilizated on instrument cases; Described push rod is limited on pedestal; Described spring is connected between push rod and pedestal; Described lock dog is positioned at the top of push rod.
Teaching desk of the present invention is also set to: be provided with the draw-in groove accommodating described lock dog in described clamp.
Compared with prior art, the present invention has following beneficial effect: the elevating mechanism of teaching desk of the present invention have employed chain wheel driving mechanism and bevel gear elevating mechanism, uses rational gearratio, makes the rising of desktop energy quick and stable.Also add foot-operated flywheel micro-adjusting mechanism, the height needed for designer can be adjusted to more accurately.Make use of the self-locking performance of T-shaped screw mandrel, realize the function of namely stopping namely to lock.Under desktop, rotating disk is housed, allows desktop can Arbitrary Rotation; And two pieces of drawing bench sides have installed built-in hinge, can allow desktop can seamless conversion.Table tilting gearing has used one group of bevel gear elevating mechanism cleverly, and the principle utilizing Bevel Gear Transmission and screw-driven to combine ensure that strength and stability when desktop tilts.Added instrument cases self-locking device in addition, instrument cases adopt human oriented design, can better stored article, middle block, prevent article chaotic; Self-control type spring detent, can realize self-locking, reduces operation, more convenient.
Teaching desk of the present invention is the design based on ergonomics, student can be made to keep the posture of the most comfortable in use, be beneficial to fatigue-relieving, improve learning efficiency.
Accompanying drawing explanation
Fig. 1 is the stereogram of teaching desk of the present invention.
Fig. 2 is the front view of teaching desk of the present invention.
Fig. 3 is the stereogram at another visual angle of teaching desk of the present invention.
Fig. 4 is the enlarged drawing at A place in Fig. 3.
Fig. 5 is the enlarged drawing at B place in Fig. 3.
Detailed description of the invention
Refer to shown in Figure of description 1 to accompanying drawing 5, the present invention is a kind of teaching desk, and it is made up of a few part such as the first table 1, second desk board 2, first pin 3, table tilting gearing 4, second pin 5, table lowering or hoisting gear 6, instrument cases 7 and instrument cases self-locking device 8.
Wherein, described first table 1 is articulated on second desk board 2, thus the first table 1 can be made with Arbitrary Rotation, facilitates designer to examine drawing from all directions.This first table 1 comprises the first desktop 11 and the second desktop 12, described first desktop 11 is connected by some latent hinged flaps 13 with the second desktop 12 and can realizes the folding of 0 ° ~ 180 °, thus can allow the first table 1 can seamless conversion between A0, A1 figure paper size.
The front end of described second desk board 2 is hinged on first pin 3, its certain angle that can tilt.Rubber bar 21 is provided with, to increase friction between described first table 3, second desk board 2.
Described table tilting gearing 4 is installed on first pin 3, and it abuts to the bottom of second desk board 2, and second desk board 2 can be tilted certain angle.This table tilting gearing 4 is made up of a few parts such as first-hand wheel shaft 41, first angular wheel 42, second angular wheel 43, drive screw 44, thrust ball bearing 45 and drive plates 46.
Wherein, described first-hand wheel shaft 41 one end is provided with one first handwheel 47, and the other end is provided with described first angular wheel 42.Described first angular wheel 42 and the second angular wheel 43 engage.Described drive screw 44 and the second angular wheel 43 affixed, and and the second angular wheel 43 link.Bottom and the thrust ball bearing 45 of described drive screw 44 coordinate, top and drive plate 46 bolt.Described thrust ball bearing 45 is installed on first pin 3.Described drive plate 46 is installed on the bottom of second desk board 2.The bottom of described second desk board 2 is provided with guiding carrier 48, and this guiding carrier 48 is set on drive screw 44.
Described table tilting gearing 4 drives the first angular wheel 42, first angular wheel 42 to link successively the second angular wheel 43, drive screw 44 by rotating the first handwheel 47, and drive screw 44 is rotated; Drive screw 44 is by promoting drive plate 46, and drive plate 46 links second desk board 2, second desk board 2 is tilted, and then the first table 1 is tilted.
Described first pin 3 inserts second pin 5, and can be elevated along second pin 5, thus this drawing bench can be made to be elevated.Be provided with gusset plate 51 in the top of described second pin 5, this gusset plate 51 clamps described first pin 3.
Described table lowering or hoisting gear 6 is installed on first pin 3 and second pin 5, and it is made up of a few parts such as second-hand's wheel shaft 61, hinge wheel 62, minor sprocket 63, main shaft 64, bevel gear wheel 65, bevel pinion 66, T-shaped screw mandrel 67 and lifting nuts 68.
Wherein, described second-hand's wheel shaft 61 is articulated on second pin 5, it is provided with one second handwheel 611.Described hinge wheel 62 is immobilizated on second-hand's wheel shaft 61.Described minor sprocket 63 is immobilizated on main shaft 64, is connected between itself and hinge wheel 62 by a chain 69.Described main shaft 64 is also articulated on second pin 5, it is provided with described bevel gear wheel 65, and on described main shaft, be also provided with a foot-operated flywheel micro-adjusting mechanism 641.Described bevel pinion 66 and bevel gear wheel 65 engage, and it is installed in the bottom of T-shaped screw mandrel 67.Described second pin 5 is provided with mount pad 52, and described T-shaped screw mandrel 67 is articulated on mount pad 52.Described lifting nut 68 is fixed on first pin 3, itself and T-shaped screw mandrel 67 bolt.
Described table lowering or hoisting gear 6 drives second-hand's wheel shaft 61 by rotating the second handwheel 611, and drives hinge wheel 62, chain 69, minor sprocket 63, main shaft 64, bevel gear wheel 65, bevel pinion 66 successively; Bevel pinion 66 links T-shaped screw mandrel 67, makes lifting nut 68 along the oscilaltion of T-shaped screw mandrel 67, thus first pin 3 is elevated along second pin 5 by the rotation of T-shaped screw mandrel 67.And the self-locking property of T-shaped screw mandrel 67 by desk namely stop namely lock.Foot-operated flywheel micro-adjusting mechanism 641 is finely tuned by stepping on plate, can be adjusted to the height of needs more accurately.
The lower end of described instrument cases 7 is pivoted to the side of second pin 5, and upper end is connected on second pin 5 by connecting rod 9.
Described instrument cases self-locking device 8 is installed on instrument cases 7.A clamp 53 is provided with in second pin 5; Described instrument cases self-locking device 8 energy and the clamping of clamp 53 phase.
Specifically, described instrument cases self-locking device 8 can ensure that instrument cases 7 are vertically fixed, and it is made up of a few parts such as pedestal 81, push rod 82, lock dog 83 and springs 83.Described pedestal 81 is immobilizated on instrument cases 7; Described push rod 82 is limited on pedestal 81; Described spring 83 is connected between push rod 82 and pedestal 81; Described lock dog 83 is positioned at the top of push rod 82.The draw-in groove 531 accommodating described lock dog 83 is provided with in described clamp 53.
When upwards turning over instrument cases 7, the lock dog 83 of instrument cases self-locking device 8 can snap in the draw-in groove 531 of top automatically, and when turning over instrument cases downwards, lock dog 83 also can be deviate from automatically from draw-in groove 531, and person easy to use takes instrument.
Above detailed description of the invention is only the preferred embodiment of this creation, and not in order to limit this creation, any amendment made within all spirit in this creation and principle, equivalent replacement, improvement etc., within the protection domain that all should be included in this creation.
Claims (8)
1. a teaching desk, is characterized in that: comprise the first table, second desk board, first pin, table tilting gearing, second pin, table lowering or hoisting gear, instrument cases and instrument cases self-locking device; Wherein, described first table is articulated on second desk board, between described first table, second desk board, be provided with rubber bar; Described first table comprises the first desktop and the second desktop, and described first desktop is connected by some latent hinged flaps with the second desktop; The front end of described second desk board is hinged on first pin; Described table tilting gearing is installed on first pin, and it abuts the bottom to second desk board; Described first pin inserts second pin, and can along second pin lifting; Described table lowering or hoisting gear is installed on first pin and second pin; The lower end of described instrument cases is pivoted to the side of second pin, and upper end is connected on second pin by connecting rod; Described instrument cases self-locking device is installed on instrument cases; A clamp is provided with in second pin; Described instrument cases self-locking device energy and the clamping of clamp phase.
2. teaching desk as claimed in claim 1, is characterized in that: described table tilting gearing comprises first-hand wheel shaft, the first angular wheel, the second angular wheel, drive screw, thrust ball bearing and drive plate; Wherein, described first-hand wheel shaft one end is provided with one first handwheel, and the other end is provided with described first angular wheel; Described first angular wheel and the engagement of the second angular wheel; Described drive screw and the second angular wheel affixed, and and second angular wheel interlock; The bottom of described drive screw and thrust ball bearing coordinate, top and drive plate bolt; Described thrust ball bearing is installed on first pin; Described drive plate is installed on the bottom of second desk board.
3. teaching desk as claimed in claim 1, it is characterized in that: the bottom of described second desk board is provided with guiding carrier, this guide support is set on drive screw.
4. teaching desk as claimed in claim 1, is characterized in that: described table lowering or hoisting gear comprises second-hand's wheel shaft, hinge wheel, minor sprocket, main shaft, bevel gear wheel, bevel pinion, T-shaped screw mandrel and lifting nut; Wherein, described second-hand's wheel shaft is articulated on second pin, it is provided with one second handwheel; Described hinge wheel is immobilizated on second-hand's wheel shaft; Described minor sprocket is immobilizated on main shaft, is connected between itself and hinge wheel by a chain; Described main shaft is also articulated on second pin, it is provided with described bevel gear wheel; Described bevel pinion and bevel gear wheel engagement, it is installed in the bottom of T-shaped screw mandrel; Described second pin is provided with mount pad, and described T-shaped screw mandrel is articulated on mount pad; Described lifting nut is fixed on first pin, itself and T-shaped screw mandrel bolt.
5. teaching desk as claimed in claim 5, is characterized in that: on described main shaft, be provided with a foot-operated flywheel micro-adjusting mechanism.
6. teaching desk as claimed in claim 4, is characterized in that: be provided with gusset plate in the top of described second pin, described first pin of this gusset plate clamping.
7. teaching desk as claimed in claim 1, is characterized in that: described instrument cases self-locking device comprises pedestal, push rod, lock dog and spring; Described pedestal is immobilizated on instrument cases; Described push rod is limited on pedestal; Described spring is connected between push rod and pedestal; Described lock dog is positioned at the top of push rod.
8. teaching desk as claimed in claim 7, is characterized in that: be provided with the draw-in groove accommodating described lock dog in described clamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125749.3A CN104757786B (en) | 2015-03-23 | 2015-03-23 | A kind of teaching desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125749.3A CN104757786B (en) | 2015-03-23 | 2015-03-23 | A kind of teaching desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104757786A true CN104757786A (en) | 2015-07-08 |
| CN104757786B CN104757786B (en) | 2017-03-08 |
Family
ID=53640151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510125749.3A Active CN104757786B (en) | 2015-03-23 | 2015-03-23 | A kind of teaching desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104757786B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789398A (en) * | 2020-08-31 | 2020-10-20 | 海龙教育设备集团有限公司 | Adjustable desk |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958576A (en) * | 1988-07-13 | 1990-09-25 | Karl Kassbohrer Fahrzeugwerke Gmbh | Fold-away table |
| CN1217174A (en) * | 1997-11-10 | 1999-05-26 | 黄学 | Drawing-board carrier |
| CN202262630U (en) * | 2011-07-21 | 2012-06-06 | 辽宁育达科教装备有限公司 | Gear-driven stepless lifting desk and chair |
| CN203860706U (en) * | 2014-04-18 | 2014-10-08 | 吉林大学 | Foldable and multifunctional drawing table |
| CN104720305A (en) * | 2015-03-23 | 2015-06-24 | 绍兴文理学院 | Folding type multifunctional drawing table |
| CN204541282U (en) * | 2015-03-23 | 2015-08-12 | 绍兴文理学院 | A kind of folding utility drawing table |
-
2015
- 2015-03-23 CN CN201510125749.3A patent/CN104757786B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958576A (en) * | 1988-07-13 | 1990-09-25 | Karl Kassbohrer Fahrzeugwerke Gmbh | Fold-away table |
| CN1217174A (en) * | 1997-11-10 | 1999-05-26 | 黄学 | Drawing-board carrier |
| CN202262630U (en) * | 2011-07-21 | 2012-06-06 | 辽宁育达科教装备有限公司 | Gear-driven stepless lifting desk and chair |
| CN203860706U (en) * | 2014-04-18 | 2014-10-08 | 吉林大学 | Foldable and multifunctional drawing table |
| CN104720305A (en) * | 2015-03-23 | 2015-06-24 | 绍兴文理学院 | Folding type multifunctional drawing table |
| CN204541282U (en) * | 2015-03-23 | 2015-08-12 | 绍兴文理学院 | A kind of folding utility drawing table |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789398A (en) * | 2020-08-31 | 2020-10-20 | 海龙教育设备集团有限公司 | Adjustable desk |
| CN111789398B (en) * | 2020-08-31 | 2022-09-09 | 北京日出天沐家具(深州)有限责任公司 | Adjustable desk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104757786B (en) | 2017-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Haigang Inventor before: Fu Shuijuan |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161025 Address after: 312000 Zhejiang City, Shaoxing City, the town of Ganoderma lucidum Town, Hong Kong Village 2-41 Applicant after: Ding Haigang Address before: 312000 Zhejiang City, Shaoxing City, the town of Ganoderma lucidum Town, Hong Kong Village 2-41 Applicant before: Fu Shuijuan |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191107 Address after: No.1, Chuangye building, 1750 Shengli West Road, Yuhui District, Bengbu City, Anhui Province Patentee after: Bengbu xiaoshuren Software Technology Co., Ltd Address before: 312000, Shaoxing City, Zhejiang Province town of Ganoderma lucidum Hong Kong Village No. 2-41 Patentee before: Ding Haigang |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: 402360 Chongqing Dazu Industrial Park Patentee after: Chongqing Henghong teaching equipment Co., Ltd. Address before: No.1, Chuangye building, 1750 Shengli West Road, Yuhui District, Bengbu City, Anhui Province Patentee before: Bengbu xiaoshuren Software Technology Co., Ltd |
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| TR01 | Transfer of patent right |