CN203913966U - Multifunctional desk - Google Patents
Multifunctional desk Download PDFInfo
- Publication number
- CN203913966U CN203913966U CN201420339469.3U CN201420339469U CN203913966U CN 203913966 U CN203913966 U CN 203913966U CN 201420339469 U CN201420339469 U CN 201420339469U CN 203913966 U CN203913966 U CN 203913966U
- Authority
- CN
- China
- Prior art keywords
- desktop
- fixed
- supporting box
- lifting
- lifting assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses a kind of Multifunctional desk, comprise desk body, lifting platform and the first lifting assembly; The desktop of described desk body is provided with and the vertical relative lift span of lifting platform; Lifting platform is installed on desk body and is driven lifting by the first lifting assembly by the first lifting assembly, Multifunctional desk of the present utility model, teaching aid can be positioned on its lifting platform, lifting by lifting platform is hidden in teaching aid under desktop or on the table and shows, can help Students Overcome or reduce the difficulty in study, make student's study convenient, effective.
Description
Technical field
The utility model relates to a kind of desk, relates in particular to a kind of Multifunctional desk.
Background technology
Mechanical drawing, theory of mechanics, Machine Design are the trunk basic courses of mechanical, near machine class specialty, occupy critical role in teaching.But because student lacks practical experience and mechanical background, the assembly relation between the internal structure of machine components, part, part is lacked to basic understanding, bring larger difficulty to the teaching of these courses.
Therefore, for addressing the above problem, need a kind of Multifunctional desk, help Students Overcome or reduce the difficulty in study, make student's study convenient, effective.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of Multifunctional desk, can help Students Overcome or reduce the difficulty in study, makes student's study convenient, effective.
Multifunctional desk of the present utility model, comprises desk body, lifting platform and the first lifting assembly; The desktop of described desk body is provided with and the vertical relative lift span of lifting platform; Lifting platform is installed on desk body and is driven lifting by the first lifting assembly by the first lifting assembly;
Further, also comprise teaching aid laying rack, manipulator and the second lifting assembly of being located at desktop below; Described teaching aid laying rack is fixed on desk body and is provided with at least two display units of vertically arranging; Described manipulator is installed on desk body and is driven lifting for move teaching aid between display unit and lifting platform by the second lifting assembly by the second lifting assembly;
Further, also comprise drawing board and the positioning component for Freehandhand-drawing drawing; Described drawing board is articulated with desktop and by described positioning component, it is positioned and is adjusted angle of inclination;
Further, also comprise the three dimensional measruring ruler for material object mapping; Described three dimensional measruring ruler is fixed on desktop end face;
Further, described desk body comprises desktop and support section; Described desktop is rectangular slab, and described support section comprises supporting box and the gripper shoe that is respectively in desktop length to two ends and is fixed on desktop bottom surface; Described supporting box is for take five panel constructions that desktop is end face and rear openings; Described the first lifting assembly is installed in supporting box; Described the first lifting assembly comprises the first guide post, rack-and-pinion and the first motor; Described the first guide post is two and is all vertically fixed on supporting box inside for lifting platform is vertically led; The tooth bar of described rack-and-pinion is vertically fixed on supporting box inside, and the gear of rack-and-pinion is rotationally connected with lifting platform by rotating shaft; Described the first motor is fixedly installed in lifting platform for the gear rotation of driven wheel tooth bar pair;
Further, described rack-and-pinion is two, and the tooth bar of two rack-and-pinions is all vertically fixed on supporting box inside, intermeshing between the gear of two rack-and-pinions;
Further, described desk body comprises desktop and support section; Described desktop is rectangular slab, and described support section comprises supporting box and the gripper shoe that is respectively in desktop length to two ends and is fixed on desktop bottom surface; Described supporting box is for take five panel constructions that desktop is end face and rear openings; Described teaching aid laying rack, the second lifting assembly and manipulator are all located at supporting box inside, and teaching aid laying rack is fixed on supporting box; The second lifting assembly comprises the second guide post, screw pair, rotating disk, the second motor and the 3rd motor; Described rotating disk is rotationally connected with supporting box by a vertical axes single-degree-of-freedom; Described the second guide post is vertically fixed on rotating disk for manipulator is vertically led; The screw mandrel of described screw pair vertically arranges and is rotationally connected with rotating disk around its axis single-degree-of-freedom, and the nut of screw pair is fixed on manipulator; The second motor is fixed on rotating disk for driving screw mandrel to rotate; The 3rd motor is fixed on supporting box for driving dial rotation;
Further, described manipulator comprises mount pad, clamping limb, rocking bar, pull bar and linear drive apparatus; Described clamping limb is two, and corresponding each clamping limb of rocking bar arranges two, and corresponding each clamping limb of pull bar arranges one, and two clamping limbs are connected in mount pad by corresponding rocking bar along same plane and form two parallelogram lindages; Linear drive apparatus is installed on mount pad and its output be connected in two parallelogram lindages rocking bar by pull bar and for drive rocker, swings and then drive two clamping limbs to move;
Further, described drawing board and positioning component are arranged in the right side of lift span; Positioning component comprise be connected between drawing board and desktop, form two connecting rods of four-bar linkage and with two connecting rods by the hinged backstay of same jointed shaft; Described backstay is provided with and can be stuck in the fixing a plurality of draw-in grooves in desktop edge; On described drawing board, be also provided with crossfoot, perpendicular chi and triangle drawing instrument; Described crossfoot is slidably connected to drawing board by vertical slide block and vertical slide rail, and perpendicular chi is slidably connected to drawing board by transverse slider and horizontal slide rail; Described triangle drawing instrument comprise by transverse slider and laterally slide rail be slidably connected to that two of drawing board draw chis and by the conciliation chis between the adjustable regulation of screw and two picture chis; Together with two picture chis free ends hinged with respective transversal slide block and two picture chis are hinged; Two connecting holes of drawing corresponding screw on chi and conciliation chi are the edge long bar hole to arranging separately;
Further, described three dimensional measruring ruler is arranged in lift span front side; Three dimensional measruring ruler comprises along take three dip sticks that tri-direction settings of X, Y, Z that desktop end face is the space coordinates of XY plane and head and the tail connect successively, wherein Z-direction dip stick is vertically fixed on desktop end face, and Y-direction dip stick is fixed on Z-direction dip stick in the mode that can vertically slide; X-direction dip stick is fixed on Y-direction dip stick in mode that can horizontal slip.
The beneficial effects of the utility model are: Multifunctional desk of the present utility model, teaching aid can be positioned on its lifting platform, lifting by lifting platform is hidden in teaching aid under desktop or on the table and shows, can help Students Overcome or reduce the difficulty in study, make student's study convenient, effective.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 1.
The specific embodiment
Fig. 1 is structural representation of the present utility model; Fig. 2 is the left view of Fig. 1; Fig. 3 is the A-A cutaway view of Fig. 1, as shown in the figure: the Multifunctional desk of the present embodiment, comprises desk body 1, lifting platform 2 and the first lifting assembly; The desktop 6 of described desk body 1 is provided with and the vertical relative lift span of lifting platform 2; Lifting platform 2 is installed on desk body 1 and is driven lifting by the first lifting assembly by the first lifting assembly, the first lifting assembly is located at the below of the desktop 6 of desk body 1, teaching aid can be positioned on its lifting platform 2, the lifting by lifting platform 2 is hidden in teaching aid under desktop or on the table and shows.
In the present embodiment, also comprise teaching aid laying rack 3, manipulator 4 and the second lifting assembly of being located at desktop 6 belows; Described teaching aid laying rack 3 is fixed on desk body 1 and is provided with at least two display units of vertically arranging; Described manipulator 4 is installed on desk body 1 and is driven lifting for move teaching aid between display unit and lifting platform 2 by the second lifting assembly by the second lifting assembly; Can on teaching aid laying rack 3, place a plurality of different teaching aids, by the second lifting assembly, control manipulator 4 liftings different teaching aids is moved to the displaying that realizes different teaching aids on lifting platform 2.
In the present embodiment, also comprise drawing board 5 and positioning component for Freehandhand-drawing drawing; Described drawing board 5 is articulated with desktop 6 and by described positioning component, it is positioned and is adjusted angle of inclination, can be used for teaching and the practice of Freehandhand-drawing drawing aspect, teaching aid displaying and Freehandhand-drawing drawing are combined simultaneously, be convenient to the in kind and mapping of student's close-ups, make student's study convenient, effective; By the adjustable design in angle of inclination, improved drawing board 5 in use, the synchronous bend forward of user's lumbar vertebrae and cervical vertebra, the mapping if bend over the desk for a long time, easily cause the shortcoming of lumbar vertebrae and cervical spondylosis, meet the principle of ergonomics, allow user keep the posture of the most comfortable, be conducive to fatigue-relieving, improve drawing efficiency.
In the present embodiment, also comprise the three dimensional measruring ruler (not shown) for material object mapping; Described three dimensional measruring ruler (not shown) is fixed on desktop 6 end faces, when drawing schema mapping and installation diagram, want the actual size of measurement model, only had several students ruler to bring very big inconvenience, the three dimensional measruring ruler (not shown) of the present embodiment can help student to measure fast appearance and size in kind.
In the present embodiment, described desk body 1 comprises desktop 6 and support section, described desktop 6 is rectangular slab, and described support section comprises supporting box 7 and the gripper shoe 8 that is respectively in desktop 6 length to two ends and is fixed on desktop 6 bottom surfaces, described supporting box 7 is to take five panel constructions that desktop 6 is end face and rear openings, described the first lifting assembly is installed in supporting box 7, described the first lifting assembly comprises the first guide post 9, rack-and-pinion 10 and the first motor 11, described the first guide post 9 is two and is all vertically fixed on supporting box 7 inside for lifting platform 2 is vertically led, the tooth bar of described rack-and-pinion 10 is vertically fixed on supporting box 7 inside, and the gear of rack-and-pinion 10 is rotationally connected with lifting platform 2 by rotating shaft, described the first motor 11 is fixedly installed in lifting platform 2 for the gear rotation of driven wheel tooth bar pair 10, the first motor 11 is fixedly installed in lifting platform 2 bottom surfaces, on its power output shaft, be fixed with a driven wheel, the gear engagement of this driven wheel and rack-and-pinion 10, described rotating shaft is horizontally disposed with and is fixed on lifting platform 2, rolling drive lifting platform 2 liftings by gear along tooth bar, simple and compact for structure, the first motor 11 takes motor for private, when stopping operating, it can realize the location of the gear of rack-and-pinion 10, and then realize lifting platform 2 in the location at corresponding height place, supporting box 7 not only can be used for installing the first lifting assembly, and can the first lifting assembly, lifting platform 2 and teaching aid effectively be covered and be protected, supporting box 7 is located at desktop 6 left ends, gripper shoe is arranged at desktop 6 right-hand members, and desk body 1 subtend user's a side is rear side, is front side with user towards an identical side, the one end in corresponding user left side is left end, and the one end on corresponding user right side is right-hand member.
In the present embodiment, described rack-and-pinion is two, the tooth bar of two rack-and-pinions is all vertically fixed on supporting box 7 inside, intermeshing between the gear of two rack-and-pinions, the horizontal applied force that tooth bar can be produced gear is offset, the gear of rack-and-pinion is stress balance in the horizontal direction, improve the first lifting assembly and and lifting platform 2 between the stability of syndeton.
In the present embodiment, described desk body 1 comprises desktop 6 and support section; Described desktop 6 is rectangular slab, and described support section comprises supporting box 7 and the gripper shoe 8 that is respectively in desktop 6 length to two ends and is fixed on desktop 6 bottom surfaces; Described supporting box 7 is to take five panel constructions that desktop 6 is end face and rear openings; Described teaching aid laying rack 3, the second lifting assembly and manipulator 4 are all located at supporting box 7 inside, and teaching aid laying rack 3 is fixed on supporting box 7; The second lifting assembly comprises the second guide post 12, screw pair 13, rotating disk 14, the second motor (not shown) and the 3rd motor (not shown); Described rotating disk 14 is rotationally connected with supporting box 7 by a vertical axes single-degree-of-freedom; Described the second guide post 12 is vertically fixed on rotating disk 14 for manipulator 4 is vertically led; The screw mandrel of described screw pair 13 vertically arranges and is rotationally connected with rotating disk 14 around its axis single-degree-of-freedom, and the nut of screw pair 13 is fixed on manipulator 4; The second motor (not shown) is fixed on rotating disk 14 for driving screw mandrel to rotate; The 3rd motor (not shown) is fixed on supporting box 7 for driving rotating disk 14 to rotate; Manipulator 4 drives lifting by screw pair 13, and vertically led by screw mandrel and the second guide post 12, by rotating disk 14, can drive screw pair 13, the second guide post 12 to rotate together with manipulator 4, between lifting platform 2 and teaching aid laying rack 3, move after making manipulator 4 clamp teaching aid; Supporting box 7 not only can be used for installing teaching aid laying rack 3, the second lifting assembly and manipulator 4, and can teaching aid laying rack 3, the second lifting assembly and manipulator 4 effectively be covered and be protected; The pencil sharpener of adjustable model and small-sized simple waste box are set in desk body 1 side, and dustbin can load the residue after rubber wiping, easy cleaning, the drawing of also not making dirty; Drawing is preserved, gathering-device, to preserve, has finished drawing and standby drawing.
In the present embodiment, described manipulator 4 comprises mount pad 15, clamping limb 16, rocking bar 17, pull bar 18 and linear drive apparatus 19, described clamping limb 16 is two, and corresponding each clamping limb 16 of rocking bar 17 arranges two, and corresponding each clamping limb 16 of pull bar 18 arranges one, and two clamping limbs 16 are connected in mount pad 15 by corresponding rocking bar 17 along same plane and form two parallelogram lindages, linear drive apparatus 19 is installed on mount pad 15 and its output be connected in two parallelogram lindages rocking bar 17 by pull bar 18 and for drive rocker 17, swings and then drive 16 motions of two clamping limbs, linear drive apparatus 19 can be piston cylinder or linear electric motors, can drive pull bar 18 and parallelogram lindage motion, realize clamping and releasing of two clamping limbs 16, in each display unit, place the holder (not shown) of an equidimension, teaching aid is positioned in holder (not shown), while moving teaching aid, control manipulator 4 clamping holder (not shown)s, avoid the impact of different teaching aid contour structures and size, teaching aid is effectively moved.
In the present embodiment, described drawing board 5 and positioning component are arranged in the right side of lift span; Positioning component comprise be connected between drawing board 5 and desktop 6, form two connecting rods 20 of four-bar linkage and with two connecting rods 20 by the hinged backstay 21 of same jointed shaft; Described backstay 21 is provided with and can be stuck in the fixing a plurality of draw-in grooves in desktop 6 edges; On described drawing board 5, be also provided with crossfoot 22, perpendicular chi 23 and triangle drawing instrument 24; Described crossfoot 22 is slidably connected to drawing board 5 by vertical slide block and vertical slide rail, and perpendicular chi 23 is slidably connected to drawing board 5 by transverse slider and horizontal slide rail; Described triangle drawing instrument 24 comprise by transverse slider and laterally slide rail be slidably connected to that two of drawing board 5 draw chis and by the conciliation chis between the adjustable regulation of screw and two picture chis; Together with two picture chis free ends hinged with respective transversal slide block and two picture chis are hinged; Two connecting holes of drawing corresponding screw on chi and conciliation chi are the edge long bar hole to arranging separately; Drawing board 5, drawing instrument and desk are combined, solved in existing drawing that drafting instrument carries that inconvenience, plotting speed are slow, drafting instrument is inconveniently kept properly, the easy problem such as damage.
In the present embodiment, described three dimensional measruring ruler (not shown) is arranged in lift span front side; Three dimensional measruring ruler (not shown) comprises along take three dip sticks that tri-direction settings of X, Y, Z that desktop 6 end faces are the space coordinates of XY plane and head and the tail connect successively, wherein Z-direction dip stick is vertically fixed on desktop 6 end faces, and Y-direction dip stick is fixed on Z-direction dip stick in the mode that can vertically slide; X-direction dip stick is fixed on Y-direction dip stick in mode that can horizontal slip, when drawing schema mapping and installation diagram, want the actual size of measurement model, only had several students ruler to bring very big inconvenience, the three dimensional measruring ruler (not shown) of the present embodiment can help student to measure fast appearance and size in kind (length, dark), also can measure ruler and be difficult to the part of measuring: the radius of camber line (internal diameter, external diameter, fillet), two intersects real plane included angle, the relative basal plane height of inner each boss etc., substantially realizes determining of each point three-dimensional.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (10)
1. a Multifunctional desk, is characterized in that: comprise desk body, lifting platform and the first lifting assembly; The desktop of described desk body is provided with and the vertical relative lift span of lifting platform; Lifting platform is installed on desk body and is driven lifting by the first lifting assembly by the first lifting assembly.
2. Multifunctional desk according to claim 1, is characterized in that: also comprise teaching aid laying rack, manipulator and the second lifting assembly of being located at desktop below; Described teaching aid laying rack is fixed on desk body and is provided with at least two display units of vertically arranging; Described manipulator is installed on desk body and is driven lifting for move teaching aid between display unit and lifting platform by the second lifting assembly by the second lifting assembly.
3. Multifunctional desk according to claim 1, is characterized in that: also comprise drawing board and positioning component for Freehandhand-drawing drawing; Described drawing board is articulated with desktop and by described positioning component, it is positioned and is adjusted angle of inclination.
4. Multifunctional desk according to claim 1, is characterized in that: also comprise the three dimensional measruring ruler for material object mapping; Described three dimensional measruring ruler is fixed on desktop end face.
5. Multifunctional desk according to claim 1, is characterized in that: described desk body comprises desktop and support section; Described desktop is rectangular slab, and described support section comprises supporting box and the gripper shoe that is respectively in desktop length to two ends and is fixed on desktop bottom surface; Described supporting box is for take five panel constructions that desktop is end face and rear openings; Described the first lifting assembly is installed in supporting box; Described the first lifting assembly comprises the first guide post, rack-and-pinion and the first motor; Described the first guide post is two and is all vertically fixed on supporting box inside for lifting platform is vertically led; The tooth bar of described rack-and-pinion is vertically fixed on supporting box inside, and the gear of rack-and-pinion is rotationally connected with lifting platform by rotating shaft; Described the first motor is fixedly installed in lifting platform for the gear rotation of driven wheel tooth bar pair.
6. Multifunctional desk according to claim 5, is characterized in that: described rack-and-pinion is two, and the tooth bar of two rack-and-pinions is all vertically fixed on supporting box inside, intermeshing between the gear of two rack-and-pinions.
7. Multifunctional desk according to claim 2, is characterized in that: described desk body comprises desktop and support section; Described desktop is rectangular slab, and described support section comprises supporting box and the gripper shoe that is respectively in desktop length to two ends and is fixed on desktop bottom surface; Described supporting box is for take five panel constructions that desktop is end face and rear openings; Described teaching aid laying rack, the second lifting assembly and manipulator are all located at supporting box inside, and teaching aid laying rack is fixed on supporting box; The second lifting assembly comprises the second guide post, screw pair, rotating disk, the second motor and the 3rd motor; Described rotating disk is rotationally connected with supporting box by a vertical axes single-degree-of-freedom; Described the second guide post is vertically fixed on rotating disk for manipulator is vertically led; The screw mandrel of described screw pair vertically arranges and is rotationally connected with rotating disk around its axis single-degree-of-freedom, and the nut of screw pair is fixed on manipulator; The second motor is fixed on rotating disk for driving screw mandrel to rotate; The 3rd motor is fixed on supporting box for driving dial rotation.
8. Multifunctional desk according to claim 7, is characterized in that: described manipulator comprises mount pad, clamping limb, rocking bar, pull bar and linear drive apparatus; Described clamping limb is two, and corresponding each clamping limb of rocking bar arranges two, and corresponding each clamping limb of pull bar arranges one, and two clamping limbs are connected in mount pad by corresponding rocking bar along same plane and form two parallelogram lindages; Linear drive apparatus is installed on mount pad and its output be connected in two parallelogram lindages rocking bar by pull bar and for drive rocker, swings and then drive two clamping limbs to move.
9. Multifunctional desk according to claim 3, is characterized in that: described drawing board and positioning component are arranged in the right side of lift span; Positioning component comprise be connected between drawing board and desktop, form two connecting rods of four-bar linkage and with two connecting rods by the hinged backstay of same jointed shaft; Described backstay is provided with and can be stuck in the fixing a plurality of draw-in grooves in desktop edge; On described drawing board, be also provided with crossfoot, perpendicular chi and triangle drawing instrument; Described crossfoot is slidably connected to drawing board by vertical slide block and vertical slide rail, and perpendicular chi is slidably connected to drawing board by transverse slider and horizontal slide rail; Described triangle drawing instrument comprise by transverse slider and laterally slide rail be slidably connected to that two of drawing board draw chis and by the conciliation chis between the adjustable regulation of screw and two picture chis; Together with two picture chis free ends hinged with respective transversal slide block and two picture chis are hinged; Two connecting holes of drawing corresponding screw on chi and conciliation chi are the edge long bar hole to arranging separately.
10. Multifunctional desk according to claim 4, is characterized in that: described three dimensional measruring ruler is arranged in lift span front side; Three dimensional measruring ruler comprises along take three dip sticks that tri-direction settings of X, Y, Z that desktop end face is the space coordinates of XY plane and head and the tail connect successively, wherein Z-direction dip stick is vertically fixed on desktop end face, and Y-direction dip stick is fixed on Z-direction dip stick in the mode that can vertically slide; X-direction dip stick is fixed on Y-direction dip stick in mode that can horizontal slip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339469.3U CN203913966U (en) | 2014-06-23 | 2014-06-23 | Multifunctional desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339469.3U CN203913966U (en) | 2014-06-23 | 2014-06-23 | Multifunctional desk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203913966U true CN203913966U (en) | 2014-11-05 |
Family
ID=51809866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339469.3U Withdrawn - After Issue CN203913966U (en) | 2014-06-23 | 2014-06-23 | Multifunctional desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203913966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104013210A (en) * | 2014-06-23 | 2014-09-03 | 重庆交通大学 | Multifunctional student desk |
| CN109497710A (en) * | 2018-12-20 | 2019-03-22 | 刘宇杰 | Automation experiment table |
-
2014
- 2014-06-23 CN CN201420339469.3U patent/CN203913966U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104013210A (en) * | 2014-06-23 | 2014-09-03 | 重庆交通大学 | Multifunctional student desk |
| CN104013210B (en) * | 2014-06-23 | 2016-02-03 | 重庆交通大学 | Multifunctional desk |
| CN109497710A (en) * | 2018-12-20 | 2019-03-22 | 刘宇杰 | Automation experiment table |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107244181A (en) | A kind of Art Design multifunctional drawing equipment | |
| CN104013210B (en) | Multifunctional desk | |
| CN203913966U (en) | Multifunctional desk | |
| CN203644351U (en) | Adjustable display rack | |
| CN112562542A (en) | Computer software teaching show shelf | |
| CN106308055A (en) | Shear-type teacher's desk adopting synchronous belt for lifting adjustment | |
| CN206657568U (en) | A kind of multifunction three-dimensional moves teaching demonstration device | |
| CN208277705U (en) | A kind of novel higher mathematics drawing device | |
| CN209746931U (en) | Robot movement mechanism for robot vision technology teaching | |
| CN203052121U (en) | Displayer bracket capable of freely swinging screen | |
| CN211592000U (en) | High-precision drawing instrument for mathematical modeling | |
| CN205292100U (en) | But automatically regulated's art easel | |
| CN214312228U (en) | Special teaching show board of multi-functional advanced mathematics | |
| CN215423437U (en) | Drawing device for animation design | |
| CN212693003U (en) | Water depth measuring device for hydraulic engineering | |
| CN210489088U (en) | Traffic planning design environment automatic control simulation device based on computer | |
| CN210643104U (en) | Drawing device for mechanical design | |
| CN210471715U (en) | Vertical three-side drawing demonstration board | |
| CN219141752U (en) | Shifting mechanism of image measuring instrument | |
| CN106346982A (en) | Shutter blackboard and dust removal device thereof | |
| CN111899602A (en) | Intelligent multifunctional computer science and technology display device | |
| CN219256900U (en) | Drawing tool | |
| CN209978852U (en) | High-precision three-dimensional measurement device for PCB | |
| CN206236332U (en) | A kind of multipurpose middle school physical experiment speed measuring device | |
| CN216647608U (en) | Economics specialty teaching operation is with demonstration teaching aid with adjustable it is multi-functional |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |