CN110906134B - Folding storage type teaching device capable of adjusting angle and height - Google Patents
Folding storage type teaching device capable of adjusting angle and height Download PDFInfo
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- CN110906134B CN110906134B CN201911236348.XA CN201911236348A CN110906134B CN 110906134 B CN110906134 B CN 110906134B CN 201911236348 A CN201911236348 A CN 201911236348A CN 110906134 B CN110906134 B CN 110906134B
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- lead screw
- limiting
- groove
- rod
- screw rod
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The invention discloses a folding and accommodating type teaching device capable of adjusting angle and height, which comprises a touch teaching screen, a screw rod, a pulley and a telescopic rod, wherein a connecting sleeve is fixedly arranged on the touch teaching screen, the connecting sleeve is mutually connected with a first screw rod, the first screw rod penetrates through the connecting sleeve, the screw rod is fixedly arranged on the bottom surface of the first screw rod, the screw rod is in threaded connection with the top end of a second screw rod, the outer surface of the top end of the second screw rod is provided with a first clamping groove, and a limiting hole is formed below the second screw rod. This can carry out folding type of accomodating teaching device of angle and altitude mixture control, the teaching personnel accessible carries out suitable regulation work to the high position of touch teaching screen to the swivel work of first lead screw, the effectual improvement touch teaching screen of telescopic link is carrying out the stability when sliding, and first lead screw can drive the second lead screw and carry out swivel work simultaneously, and the second lead screw has increased the support stability through being connected of gag lever post and spacing hole.
Description
Technical Field
The invention relates to the technical field of education and teaching, in particular to a folding and containing type teaching device capable of adjusting angles and heights.
Background
The teaching device is a device for teaching students, so that teachers can more conveniently and conveniently teach students through the teaching, the work efficiency during teaching is improved, the students can conveniently record and understand information to be learned through the teaching device, the types of the teaching devices in the market are diversified according to different teaching, and the existing teaching devices have the following problems;
1. when a teacher uses the teaching device to carry out a teaching task, in the operation process, the angle adjustment work of a display device on the teaching device is not convenient enough, the operation steps are troublesome, or the adjustment is convenient but the stability is weak, the teaching efficiency of the teacher is influenced, and the height adjustment work of the teaching device is also complicated;
2. the teaching device on general market can carry out the regulation of angle and high position, but influences the folding work of accomodating of this teaching device, is unfavorable for the work of accomodating this teaching device to can't fold when needs are deposited this teaching device, increased this teaching device's accommodation space.
We have therefore proposed a folding storage type teaching apparatus which can be adjusted in angle and height so as to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a folding and accommodating type teaching device capable of adjusting angle and height, which aims to solve the problem that the teaching device in the market can not be operated and used by a teaching person because the teaching device in the prior art can not be folded and accommodated when the angle and height can be adjusted, or can be folded and accommodated but can not be adjusted in angle and height.
In order to achieve the purpose, the invention provides the following technical scheme: a folding and containing type teaching device capable of adjusting angle and height comprises a touch teaching screen, a screw rod, a pulley and a telescopic rod, wherein a connecting sleeve is fixedly installed on the touch teaching screen, the connecting sleeve is connected with a first screw rod, the first screw rod penetrates through the connecting sleeve, the screw rod is fixedly installed on the bottom surface of the first screw rod, the screw rod is in threaded connection with the top end of a second screw rod, a first clamping groove is formed in the outer surface of the top end of the second screw rod, a limiting hole is formed below the second screw rod and formed in the top surface of a rotary table, a first limiting shaft is fixedly installed on the outer surface of the bottom end of the second screw rod and connected with a connecting groove, the connecting groove is formed in the inner wall of the fixing sleeve, the fixing sleeve is arranged on the outer side of the bottom end of the second screw rod, and the front end of the fixing sleeve is provided with a notch, the lower surface of the fixed sleeve is provided with a sliding plate, the sliding plate is connected with a first limiting groove, the first limiting groove is formed in the top surface of the rotary plate, the rotary plate is arranged inside the base, the pulley is arranged on the bottom surface of the base, a second limiting groove is formed in the top surface of the rear end of the base, a second clamping groove is formed in the top surface of the outer ring of the rotary plate, the second clamping groove is connected with the right end of a second limiting shaft, the second limiting shaft penetrates through the accommodating groove, the accommodating groove is formed in the top surface of the left end of the base, the top end of the telescopic rod is fixedly connected with a connecting sleeve on the left side of the touch teaching screen, and the outer surface of the bottom end of the telescopic rod is provided with.
Preferably, the number of the connecting sleeves is 2, the 2 connecting sleeves are symmetrically distributed about the longitudinal center line of the touch teaching screen, the left connecting sleeve is connected with the telescopic rod in a welding mode, and the right connecting sleeve is in threaded connection with the first screw rod and the second screw rod respectively.
Preferably, the first lead screw comprises a mounting groove, a first connecting spring and a limiting frame, the mounting groove is formed in the bottom end of the first lead screw, the first connecting spring is arranged inside the mounting groove, the top end of the first connecting spring is fixedly connected with the inner wall of the first lead screw, the bottom end of the first connecting spring is connected with the limiting frame, and the limiting frame and the first lead screw form a telescopic structure through the first connecting spring and the mounting groove.
Preferably, the limiting frame is connected with the first clamping groove in a clamping mode, and the front view of the limiting frame is in an inverted U shape.
Preferably, the second lead screw includes second coupling spring, gag lever post, dead lever and drawing disk, and the inside second coupling spring that is provided with in bottom of second lead screw to the inner wall fixed connection of the top of second coupling spring and second lead screw, the bottom and the gag lever post top surface fixed connection of second coupling spring, and the gag lever post passes second lead screw and spacing hole interconnect to the dead lever and drawing disk fixed connection are passed through to the top of gag lever post, the drawing disk is located the outside of second lead screw, the internal diameter of drawing disk is greater than the diameter of second lead screw.
Preferably, the limiting rod and the second screw rod form a telescopic structure through a second connecting spring, and the limiting rod and the limiting hole form a rotating structure.
Preferably, the first limit shafts are symmetrically distributed about the longitudinal central line of the second screw rod and the telescopic rod respectively, the first limit shafts and the fixed sleeves form a rotating structure through connecting grooves, the number of the fixed sleeves is 2, the 2 fixed sleeves are symmetrically distributed about the longitudinal central line of the turntable, and the fixed sleeves respectively form a sliding structure with the first limit grooves and the second limit grooves through sliding plates.
Preferably, the spacing axle of second includes back shaft, vortex spring and footboard, and the surface of the spacing axle of second is provided with the back shaft to back shaft and base interconnect, the outside of back shaft is provided with the vortex spring, and the inner wall fixed connection of vortex spring and base, the left end of the spacing axle of second is provided with the footboard, and the spacing axle of second through the back shaft with accomodate the groove and constitute revolution mechanic.
Preferably, the second limiting shaft is connected with the second clamping grooves in a clamping manner, the number of the second clamping grooves is 4, and the 4 second clamping grooves are distributed on the turntable at equal angles.
Compared with the prior art, the invention has the beneficial effects that: the folding and accommodating type teaching device can be used for adjusting the angle and the height;
1. the height position of the touch teaching screen can be properly adjusted by the teaching personnel through the rotation work of the first screw rod, the stability of the touch teaching screen in sliding is effectively improved by the telescopic rod, meanwhile, the first screw rod can drive the second screw rod to rotate, and the support stability is improved by the second screw rod through the connection of the limiting rod and the limiting hole;
2. the first screw rod and the second screw rod can be detached, so that the storage work of the teaching device is facilitated, meanwhile, the second screw rod can be longitudinally rotated, the second screw rod can be conveniently folded and stored, and the storage effect is improved;
3. when the regulation work of angle is carried out to touch teaching screen to needs, only need step on the footboard with the foot and press the work after, stir touch teaching screen again to carry out the work of adjusting to the angular position of touch teaching screen, the convenience of the teaching personnel of being convenient for is to this teaching device operation.
Drawings
FIG. 1 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a connection structure between the limiting frame and the first lead screw in a top view;
FIG. 5 is a schematic view of a top-view connection structure of a stop lever and a second lead screw according to the present invention;
FIG. 6 is a schematic top view of a cross-sectional structure of the base of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6 at C according to the present invention;
FIG. 8 is a schematic left-side sectional view of the base and the turntable according to the present invention.
In the figure: 1. touching a teaching screen; 2. a connecting sleeve; 3. a first lead screw; 301. mounting grooves; 302. a second connecting spring; 303. a limiting frame; 4. a screw; 5. a second lead screw; 501. a second connecting spring; 502. a limiting rod; 503. fixing the rod; 504. pulling the disc; 6. a first card slot; 7. a limiting hole; 8. a turntable; 9. a first limit shaft; 10. connecting grooves; 11. fixing the sleeve; 12. a notch; 13. a slide plate; 14. a first limit groove; 15. a base; 16. a pulley; 17. a second limit groove; 18. a second card slot; 19. a second limit shaft; 1901. a support shaft; 1902. a scroll spring; 1903. a pedal; 20. a receiving groove; 21. a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a folding and containing type teaching device capable of adjusting angle and height comprises a touch teaching screen 1, a screw rod 4, a pulley 16 and an expansion link 21, wherein a connecting sleeve 2 is fixedly arranged on the touch teaching screen 1, the connecting sleeve 2 is mutually connected with a first screw rod 3, the first screw rod 3 penetrates through the connecting sleeve 2, the screw rod 4 is fixedly arranged on the bottom surface of the first screw rod 3, the screw rod 4 is in threaded connection with the top end of a second screw rod 5, a first clamping groove 6 is arranged on the outer surface of the top end of the second screw rod 5, a limiting hole 7 is arranged below the second screw rod 5, the limiting hole 7 is arranged on the top surface of a turntable 8, a first limiting shaft 9 is fixedly arranged on the outer surface of the bottom end of the second screw rod 5, the first limiting shaft 9 is mutually connected with a connecting groove 10, the connecting groove 10 is arranged on the inner wall of a fixing sleeve 11, and the fixing sleeve 11 is arranged on the outer side of, the front end of the fixed sleeve 11 is provided with a notch 12, the lower surface of the fixed sleeve 11 is provided with a sliding plate 13, the sliding plate 13 is connected with a first limiting groove 14, the first limiting groove 14 is arranged on the top surface of the rotary table 8, the rotary table 8 is arranged inside the base 15, the pulley 16 is arranged on the bottom surface of the base 15, the rear end top surface of the base 15 is provided with a second limiting groove 17, the outer ring top surface of the rotary table 8 is provided with a second clamping groove 18, the second clamping groove 18 is connected with the right end of a second limiting shaft 19, the second limiting shaft 19 penetrates through the accommodating groove 20, the accommodating groove 20 is arranged on the left end top surface of the base 15, the top end of the telescopic rod 21 is fixedly connected with the connecting sleeve 2 on the left side of the touch teaching screen 1, and the outer surface of the bottom end of the telescopic rod 21 is;
the number of the connecting sleeves 2 is 2, the 2 connecting sleeves 2 are symmetrically distributed about the longitudinal center line of the touch teaching screen 1, the left connecting sleeve 2 is in welded connection with the telescopic rod 21, the right connecting sleeve 2 is in threaded connection with the first lead screw 3 and the second lead screw 5 respectively, the connecting sleeves 2 can rotate the first lead screw 3 to move up and down on the first lead screw 3 and the second lead screw 5, and meanwhile, the telescopic rod 21 improves the stability of the touch teaching screen 1 during movement;
the first screw rod 3 comprises a mounting groove 301, a first connecting spring 302 and a limiting frame 303, the mounting groove 301 is arranged at the bottom end of the first screw rod 3, the first connecting spring 302 is mounted inside the mounting groove 301, the top end of the first connecting spring 302 is fixedly connected with the inner wall of the first screw rod 3, the bottom end of the first connecting spring 302 is connected with the limiting frame 303, and the limiting frame 303 and the first screw rod 3 form a telescopic structure through the first connecting spring 302 and the mounting groove 301, so that a phenomenon that a teaching worker releases connection between the first screw rod 3 and the second screw rod 5 through pulling the limiting frame 303 is facilitated, and the teaching worker can separate the first screw rod 3 from the second screw rod 5;
the limiting frame 303 is connected with the first clamping groove 6 in a clamping manner, the front view of the limiting frame 303 is in an inverted U shape, and the first lead screw 3 drives the second lead screw 5 to rotate when rotating through the clamping connection of the limiting frame 303 and the first clamping groove 6, so that the first lead screw 3 is prevented from loosening with the second lead screw 5 when rotating;
the second lead screw 5 comprises a second connecting spring 501, a limiting rod 502, a fixing rod 503 and a pull disc 504, the second connecting spring 501 is arranged inside the bottom end of the second lead screw 5, the top end of the second connecting spring 501 is fixedly connected with the inner wall of the second lead screw 5, the bottom end of the second connecting spring 501 is fixedly connected with the top surface of the limiting rod 502, the limiting rod 502 penetrates through the second lead screw 5 and is mutually connected with a limiting hole 7, the top end of the limiting rod 502 is fixedly connected with the pull disc 504 through the fixing rod 503, the pull disc 504 is positioned on the outer side of the second lead screw 5, and the inner diameter of the pull disc 504 is larger than the diameter of the second lead screw 5, so that a teaching worker can slide the pull disc 504 on the outer side of the second lead screw 5 by pulling the pull disc 504, and the pull disc 504 can drive the limiting rod 502 to move through the fixing rod 503;
the limiting rod 502 and the second screw 5 form a telescopic structure through the second connecting spring 501, and the limiting rod 502 and the limiting hole 7 form a rotating structure, so that the stability of the limiting rod 502 and the limiting hole 7 during connection is effectively improved, and the phenomenon that the second screw 5 inclines is avoided;
the first limiting shafts 9 are symmetrically distributed about the longitudinal central line of the second screw rod 5 and the telescopic rod 21 respectively, the first limiting shafts 9 and the fixing sleeves 11 form a rotating structure through the connecting grooves 10, the number of the fixing sleeves 11 is 2, the 2 fixing sleeves 11 are symmetrically distributed about the longitudinal central line of the rotary table 8, and the fixing sleeves 11 respectively form a sliding structure with the first limiting grooves 14 and the second limiting grooves 17 through the sliding plates 13, so that the second screw rod 5 can conveniently perform transverse rotation and vertical rotation work respectively, the working operation of the teaching device is facilitated, and meanwhile, the touch teaching screen 1 can be properly stored through the sliding work of the fixing sleeves 11;
the second limit shaft 19 comprises a support shaft 1901, a scroll spring 1902 and a pedal 1903, the support shaft 1901 is arranged on the outer surface of the second limit shaft 19, the support shaft 1901 is connected with the base 15, the scroll spring 1902 is arranged on the outer side of the support shaft 1901, the scroll spring 1902 is fixedly connected with the inner wall of the base 15, the pedal 1903 is arranged at the left end of the second limit shaft 19, and the second limit shaft 19 and the accommodating groove 20 form a rotating structure through the support shaft 1901, so that the second limit shaft 19 can be rotated by pressing the pedal 1903 by a teacher, and the scroll spring 1902 can enable the second limit shaft 19 to be reset without being stressed;
spacing axle 19 of second is connected for the block with second draw-in groove 18, and the number of second draw-in groove 18 is provided with 4 to 4 second draw-in grooves 18 are equiangular distribution on carousel 8, are connected through spacing axle 19 of second and the block of second draw-in groove 18 and fix the angular position of carousel 8, avoid carousel 8 to take place the phenomenon of rotational deviation.
The working principle of the embodiment is as follows: according to fig. 1 and fig. 6-7, firstly, the touch teaching screen 1 is moved to a proper position by the pulley 16 under the base 15, and the touch teaching screen 1 is a known existing technology in the market, which is not described in detail herein, when the angular position of the touch teaching screen 1 needs to be adjusted, the pedal 1903 is stepped on by feet, so that the pedal 1903 drives the second limit shaft 19 to rotate in the accommodating groove 20 through the support shaft 1901, so that the second limit shaft 19 is separated from the second clamping groove 18, meanwhile, the support shaft 1901 drives the scroll spring 1902 to contract and operate, and then the touch teaching screen 1 rotates, so that the touch teaching screen 1 drives the turntable 8 to rotate on the rotating base 15 through the clamping connection of the limit rod 502 and the limit hole 7, thereby performing 90-degree rotation work on the touch teaching screen 1, The rotation of 180 degrees and 270 degrees, when the touch teaching screen 1 is adjusted to a proper angle, the pedal 1903 is loosened, the support shaft 1901 automatically runs to the initial position through the elastic force of the scroll spring 1902, and the second limit shaft 19 rotates to the initial position to be clamped and connected with the storage groove 20;
according to the fig. 1-4, when the teaching device needs to be folded and stored, the first lead screw 3 is manually rotated, so that the first lead screw 3 drives the second lead screw 5 to rotate in the fixing sleeve 11 through the first limiting shaft 9 and the connecting groove 10 via the limiting frame 303 and the first locking groove 6, so that the first lead screw 3 drives the threaded connecting sleeve 2 to move downwards, and the left connecting sleeve 2 drives the telescopic rod 21 to contract and operate, the telescopic rod 21 is a known and existing technology in the market, and will not be described in detail herein, after the touch teaching screen 1 moves from the first lead screw 3 to a proper position on the second lead screw 5 via the fixing sleeve 11, the limiting frame 303 is manually shifted downwards, so that the limiting frame 303 slides inwards at the bottom end of the first lead screw 3 via the mounting groove 301, so that the limiting frame 303 is separated from the first locking groove 6, meanwhile, the limiting frame 303 pushes the first connecting spring 302 to contract and operate, and then the first lead screw 3 is manually rotated, so that the first lead screw 3 is rotatably taken out from the second lead screw 5 through the screw 4;
according to fig. 1, fig. 3, fig. 5-8, the pull disc 504 is manually pulled to slide the pull disc 504 upwards outside the second lead screw 5, so that the pull disc 504 drives the limiting rod 502 to slide inwards inside the second lead screw 5 through the fixing rod 503, meanwhile, the limiting rod 502 pushes the second connecting spring 501 to perform contraction operation, so that the limiting rod 502 is separated from the limiting hole 7, then, the touch teaching screen 1 is manually moved, so that the touch teaching screen 1 drives the second lead screw 5 to perform rotation operation in the fixing sleeve 11 through the first limiting shaft 9 and the connecting groove 10 through the connecting sleeve 2, so that the second lead screw 5 is connected with the notch 12 in a clamping manner, then, the touch teaching screen 1 is manually pushed backwards, the touch teaching screen 1 drives the fixing sleeve 11 to move according to the above principle, so that the fixing sleeve 11 slides on the rotary table 8 through the sliding plate 13 and the first limiting groove 14, next, the sliding plate 13 is slid into the second limiting groove 17, and then the pedal 1903 is stepped according to the above principle, and then the angular position of the rotary table 8 is adjusted, so that the first limiting groove 14 and the second limiting groove 17 on the rotary table 8 are separated from each other, thereby completing the folding and storage work of the teaching device, which is the working process of the whole device, and the content not described in detail in this specification belongs to the prior art known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a can carry out folding type of accomodating teaching device of angle and altitude mixture control, includes touch teaching screen (1), screw rod (4), pulley (16) and telescopic link (21), its characterized in that: the touch teaching screen is characterized in that a connecting sleeve (2) is fixedly mounted on the touch teaching screen (1), the connecting sleeve (2) is connected with a first lead screw (3) in an interconnecting mode, the first lead screw (3) penetrates through the connecting sleeve (2), a screw (4) is fixedly mounted on the bottom surface of the first lead screw (3), the screw (4) is in threaded connection with the top end of a second lead screw (5), a first clamping groove (6) is formed in the outer surface of the top end of the second lead screw (5), a limiting hole (7) is formed below the second lead screw (5), the limiting hole (7) is formed in the top surface of a turntable (8), a first limiting shaft (9) is fixedly mounted on the outer surface of the bottom end of the second lead screw (5), the first limiting shaft (9) is connected with a connecting groove (10) in an interconnecting mode, the connecting groove (10) is formed in the inner wall of a fixing sleeve (11), and the fixing sleeve (11) is arranged on the outer side of the bottom end of, a notch (12) is formed in the front end of the fixed sleeve (11), a sliding plate (13) is arranged on the lower surface of the fixed sleeve (11), the sliding plate (13) is connected with a first limiting groove (14), the first limiting groove (14) is formed in the top surface of the rotary table (8), the rotary table (8) is arranged inside the base (15), the pulley (16) is arranged on the bottom surface of the base (15), a second limiting groove (17) is formed in the top surface of the rear end of the base (15), a second clamping groove (18) is formed in the top surface of the outer ring of the rotary table (8), the second clamping groove (18) is connected with the right end of the second limiting shaft (19), the second limiting shaft (19) penetrates through the accommodating groove (20), the accommodating groove (20) is formed in the top surface of the left end of the base (15), and the top end of the telescopic rod (21) is fixedly connected with the connecting sleeve (2) on the left side of the touch teaching screen (1), and the outer surface of the bottom end of the telescopic rod (21) is provided with a first limiting shaft (9).
2. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: the number of the connecting sleeves (2) is 2, the 2 connecting sleeves (2) are symmetrically distributed about the longitudinal center line of the touch teaching screen (1), the left connecting sleeve (2) is connected with the telescopic rod (21) in a welding mode, and the connecting sleeve (2) on the right side is in threaded connection with the first screw rod (3) and the second screw rod (5) respectively.
3. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: first lead screw (3) include mounting groove (301), first connecting spring (302) and spacing (303), and the bottom of first lead screw (3) is provided with mounting groove (301) to the internally mounted of mounting groove (301) has first connecting spring (302), the top of first connecting spring (302) and the inner wall fixed connection of first lead screw (3), and the bottom and spacing (303) interconnect of first connecting spring (302), and spacing (303) constitute extending structure through first connecting spring (302) and mounting groove (301) and first lead screw (3).
4. A folding storage type teaching device adjustable in angle and height according to claim 3, wherein: the limiting frame (303) is connected with the first clamping groove (6) in a clamping mode, and the front view of the limiting frame (303) is in an inverted U shape.
5. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: the second lead screw (5) comprises a second connecting spring (501), a limiting rod (502), a fixing rod (503) and a pull disc (504), the second connecting spring (501) is arranged inside the bottom end of the second lead screw (5), the top end of the second connecting spring (501) is fixedly connected with the inner wall of the second lead screw (5), the bottom end of the second connecting spring (501) is fixedly connected with the top surface of the limiting rod (502), the limiting rod (502) penetrates through the second lead screw (5) and the limiting hole (7) to be mutually connected, the top end of the limiting rod (502) is fixedly connected with the pull disc (504) through the fixing rod (503), the pull disc (504) is located outside the second lead screw (5), and the inner diameter of the pull disc (504) is larger than the diameter of the second lead screw (5).
6. A folding storage type teaching device adjustable in angle and height according to claim 5, wherein: the limiting rod (502) and the second screw rod (5) form a telescopic structure through the second connecting spring (501), and the limiting rod (502) and the limiting hole (7) form a rotating structure.
7. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: first spacing axle (9) are respectively about the longitudinal centerline symmetric distribution of second lead screw (5) and telescopic link (21), and first spacing axle (9) constitute revolution mechanic through spread groove (10) and fixed sleeve (11), the number of fixed sleeve (11) is provided with 2, and 2 fixed sleeve (11) are about the longitudinal centerline symmetric distribution of carousel (8) to fixed sleeve (11) pass through slide (13) respectively with first spacing groove (14) and second spacing groove (17) constitute sliding construction.
8. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: the spacing axle of second (19) is including back shaft (1901), vortex spring (1902) and footboard (1903), and the surface of the spacing axle of second (19) is provided with back shaft (1901) to back shaft (1901) and base (15) interconnect, the outside of back shaft (1901) is provided with vortex spring (1902), and the inner wall fixed connection of vortex spring (1902) and base (15), the left end of the spacing axle of second (19) is provided with footboard (1903), and the spacing axle of second (19) through back shaft (1901) with accomodate groove (20) constitution revolution mechanic.
9. A folding storage type teaching device adjustable in angle and height according to claim 1, wherein: the second limiting shaft (19) is connected with the second clamping grooves (18) in a clamping mode, 4 second clamping grooves (18) are formed in the number, and the 4 second clamping grooves (18) are distributed on the rotary table (8) at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236348.XA CN110906134B (en) | 2019-12-05 | 2019-12-05 | Folding storage type teaching device capable of adjusting angle and height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236348.XA CN110906134B (en) | 2019-12-05 | 2019-12-05 | Folding storage type teaching device capable of adjusting angle and height |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906134A CN110906134A (en) | 2020-03-24 |
| CN110906134B true CN110906134B (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911236348.XA Active CN110906134B (en) | 2019-12-05 | 2019-12-05 | Folding storage type teaching device capable of adjusting angle and height |
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| US8276858B1 (en) * | 2007-09-11 | 2012-10-02 | Southwire Company | Combination stand and jack for wire spools |
| CN204437603U (en) * | 2015-02-06 | 2015-07-01 | 杨震 | A kind of multipurpose display device platform in rotary moving |
| CN206786285U (en) * | 2017-04-27 | 2017-12-22 | 中国人民解放军防空兵学院 | A kind of collapsible sitting posture operation support of tubular equipment |
| CN108986715A (en) * | 2018-07-20 | 2018-12-11 | 广州市赛普电子科技有限公司 | A kind of indoor large scale display screen |
| CN208507188U (en) * | 2018-10-19 | 2019-02-15 | 深圳泰尔通测科技有限公司 | A kind of support device for instrument and meter |
| CN110360426A (en) * | 2019-07-24 | 2019-10-22 | 李健 | A kind of assembly consolidates folding electronic warning sign easy to remove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8276858B1 (en) * | 2007-09-11 | 2012-10-02 | Southwire Company | Combination stand and jack for wire spools |
| CN204437603U (en) * | 2015-02-06 | 2015-07-01 | 杨震 | A kind of multipurpose display device platform in rotary moving |
| CN206786285U (en) * | 2017-04-27 | 2017-12-22 | 中国人民解放军防空兵学院 | A kind of collapsible sitting posture operation support of tubular equipment |
| CN108986715A (en) * | 2018-07-20 | 2018-12-11 | 广州市赛普电子科技有限公司 | A kind of indoor large scale display screen |
| CN208507188U (en) * | 2018-10-19 | 2019-02-15 | 深圳泰尔通测科技有限公司 | A kind of support device for instrument and meter |
| CN110360426A (en) * | 2019-07-24 | 2019-10-22 | 李健 | A kind of assembly consolidates folding electronic warning sign easy to remove |
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| CN110906134A (en) | 2020-03-24 |
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