CN113719708A - Multifunctional teaching device for teaching - Google Patents

Multifunctional teaching device for teaching Download PDF

Info

Publication number
CN113719708A
CN113719708A CN202110991753.3A CN202110991753A CN113719708A CN 113719708 A CN113719708 A CN 113719708A CN 202110991753 A CN202110991753 A CN 202110991753A CN 113719708 A CN113719708 A CN 113719708A
Authority
CN
China
Prior art keywords
wall
fixedly connected
groove
block
shell
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.)
Granted
Application number
CN202110991753.3A
Other languages
Chinese (zh)
Other versions
CN113719708B (en
Inventor
商香华
刘肖群
王磊
曲佳
徐浩
徐传志
杨法银
翟金鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Transport Vocational College
Original Assignee
Shandong Transport Vocational College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Transport Vocational College filed Critical Shandong Transport Vocational College
Priority to CN202110991753.3A priority Critical patent/CN113719708B/en
Publication of CN113719708A publication Critical patent/CN113719708A/en
Application granted granted Critical
Publication of CN113719708B publication Critical patent/CN113719708B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/16Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/18Heads with mechanism for moving the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/24Undercarriages 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
    • F16M11/26Undercarriages 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 by telescoping, with or without folding
    • F16M11/28Undercarriages for supports with one single telescoping pillar
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F16M13/027Ceiling supports
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Manipulator (AREA)

Abstract

The invention belongs to the technical field of teaching equipment, in particular to a multifunctional teaching device for teaching, and provides a scheme aiming at the problems in the prior art. The top plate can fall down by controlling the winding wheel to rotate through the driving motor, so that the projector body can be conveniently taken down and maintained, the top plate and the projector body are prevented from falling down due to the failure of the driving motor or the breakage of the metal lifting rope, the safety is improved, the top block can conveniently leave the top block groove, and the clamping block can be conveniently put into the clamping block groove.

Description

Multifunctional teaching device for teaching
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a multifunctional teaching device for teaching.
Background
The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect.
In modern teaching, the projecting apparatus is the essential teaching equipment in every classroom, and it is through the projecting apparatus of fixed mounting at the classroom top with the picture put in on the curtain to make the student can understand watch in order to make things convenient for the teaching, however in modern teaching, because the projecting apparatus often needs all-weather use, it is comparatively frequent to use, and then leads to the projecting apparatus to damage easily, nevertheless because the projecting apparatus is installed at the classroom top, and then leads to very inconvenient when the maintenance.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a multifunctional teaching device for teaching.
The invention provides a multifunctional teaching device for teaching, which comprises a projector body, wherein a top plate is arranged above the projector body, a fixing mechanism is arranged between the top plate and the projector body, a top shell is arranged above the top plate, an installing mechanism is arranged on the outer wall of the top shell, a top block is fixedly connected to the outer wall of the top plate, a top block groove matched with the top block is formed in the outer wall of the bottom of the top shell, two rotating shafts are rotatably connected to the inner wall of the side surface of the top shell above the top block groove, a driving motor in transmission fit with the rotating shafts is fixedly connected to the outer wall of one side of the top shell, two first deep grooves are formed in the inner wall of the top block groove, a winding wheel positioned outside the rotating shafts is rotatably connected to the inner wall of the side surface of the winding wheel, a metal lifting rope is wound on the outer wall of the side surface of the winding wheel, and the other end of the metal lifting rope is fixedly connected to the outer wall of the top block, the side outer wall of the rotating shaft inside the winding wheel is fixedly connected with an inner convex block, the side inner wall of the winding wheel is fixedly connected with an outer convex block, and the inner convex block and the outer convex block are of a quarter arc structure.
Preferably, fixed establishment includes the set casing of fixed connection in roof bottom outer wall four corners, and the sliding connection of set casing has the movable shell of L type, and there is the check pin one side outer wall of movable shell through threaded connection, check pin sliding connection in the side inner wall of set casing.
Preferably, top outer wall one side of roof is rotated and is connected with the adjusting knob, and the roof is located the bottom outer wall of adjusting knob below and opens and to have the pressure trepanning, and the side inner wall sliding connection who presses the trepanning has the pressure cover, presses the bottom outer wall fixedly connected with layering of cover, and the bottom outer wall fixedly connected with of adjusting knob passes through threaded connection in the adjusting screw who presses cover side inner wall.
Preferably, the top outer wall fixedly connected with of activity shell is located the support shell of layering below, and supports the side inner wall sliding connection of shell and have the support bar, fixedly connected with supporting spring between the bottom outer wall of support bar and the bottom inner wall of support shell.
Preferably, installation mechanism includes fixed connection in the jib of topshell top outer wall, and the side outer wall top sliding connection of jib has a hanging cylinder, and evenly distributed's fixed orifices about the side outer wall of jib is opened, and jib and hanging cylinder are fixed relatively through fixed top, the top outer wall fixedly connected with fixing base of hanging cylinder.
Preferably, the clamping grooves are formed in the outer walls of the two sides of the ejecting block, the bottom surface of each clamping groove is of an arc-shaped structure, the clamping block grooves are formed in the inner walls of the two sides of each ejecting block groove, the clamping blocks matched with the clamping grooves are connected to the inner walls of the side faces of the clamping block grooves in a sliding mode, the outer wall of the top of each clamping block is connected with the rolling rod in a rotating mode, and a clamping block spring is fixedly connected between the outer wall of one side of each clamping block and the inner wall of one side of each clamping block groove.
Preferably, the inside of topshell is opened has the second deep groove that is located fixture block groove one side, and the side inner wall of second deep groove rotates and is connected with the rope sheave that is located the pivot outside, and the side outer wall fixedly connected with stay cord of rope sheave, the side inner wall of second deep groove rotates and is connected with two at least rope guide wheels, and the other end of stay cord passes behind the rope guide wheel fixedly connected in the side outer wall of fixture block.
Preferably, the pivot is located the inside side outer wall fixedly connected with bullet piece wheel of rope pulley, and the side outer wall of bullet piece wheel is opened has three annular evenly distributed's bullet piece groove, the side inner wall sliding connection in bullet piece groove has bullet piece, fixedly connected with bullet piece spring between the side outer wall of bullet piece and the side inner wall in bullet piece groove, the one end of bullet piece is provided with the triangle arch, the side inner wall of rope pulley is opened the triangle draw-in groove that has annular evenly distributed and the protruding looks adaptation of triangle, the side inner wall fixedly connected with fixed stop of second deep groove position on one side of the rope pulley, the side outer wall fixedly connected with of rope pulley and the corresponding activity cardboard of fixed stop.
The beneficial effects of the invention are as follows:
the projector body is fixed below the top plate by arranging the driving motor, the winding wheel and the metal lifting rope, the retractable metal lifting rope is arranged between the top plate and the top shell, the metal lifting rope is wound on the winding wheel during daily use, and when the projector body needs to be maintained, the winding wheel is controlled to rotate by the driving motor so that the top plate can fall down, and the projector body is convenient to take down and maintain; through setting up fixture block and draw-in groove, set up the draw-in groove in kicking block both sides, set up the fixture block in the top shell is inside, when using daily, the fixture block can block in the inside of draw-in groove, and then prevent driving motor trouble or metal lifting rope fracture and lead to roof and projecting apparatus body to weigh down, the security has been improved, simultaneously in driving motor control coiling wheel rotation time ability synchronous control fixture block income fixture block groove, made things convenient for the kicking block to leave the kicking block groove, the hob can reduce the frictional force between fixture block and the draw-in groove simultaneously, made things convenient for in the fixture block income fixture block groove.
Drawings
FIG. 1 is a schematic view of an overall structure of a multifunctional teaching device for teaching according to the present invention;
FIG. 2 is a schematic view of a first deep groove partial structure of a multifunctional teaching device for teaching according to the present invention;
FIG. 3 is a schematic view of a winding wheel structure of the multifunctional teaching device for teaching according to the present invention;
FIG. 4 is a schematic view of a second deep groove of the multifunctional teaching device for teaching according to the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
fig. 6 is a schematic structural view of a supporting shell of the multifunctional teaching device for teaching according to the present invention.
In the figure: 1 top plate, 2 metal lifting ropes, 3 top blocks, 4 fixing nails, 5 fixing seats, 6 lifting cylinders, 7 lifting rods, 8 top shells, 9 driving motors, 10 clamping grooves, 11 fixing shells, 12 locking nails, 13 movable shells, 14 projector bodies, 15 adjusting buttons, 17 first deep grooves, 18 rotating shafts, 19 winding wheels, 20 inner convex blocks, 21 outer convex blocks, 22 second deep grooves, 23 rope guide wheels, 24 pull ropes, 25 clamping block grooves, 26 clamping block springs, 27 clamping blocks, 28 rolling rods, 29 rope pulling wheels, 30 elastic blocks, 31 elastic block springs, 32 elastic block wheels, 33 triangular bulges, 34 fixing baffles, 35 movable clamping plates, 36 triangular clamping grooves, 37 adjusting screws, 38 pressing sleeves, 39 pressing strips, 40 supporting springs, 41 supporting shells and 42 supporting strips.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a multifunctional teaching device for teaching comprises a projector body 14, a top plate 1 is arranged above the projector body 14, a fixing mechanism is arranged between the top plate 1 and the projector body 14, a top shell 8 is arranged above the top plate 1, an installing mechanism is arranged on the outer wall of the top shell 8, a top block 3 is fixedly connected with the outer wall of the top plate 1, a top block groove matched with the top block 3 is formed on the outer wall of the bottom of the top shell 8, two rotating shafts 18 are rotatably connected with the inner wall of the side surface of the top shell 8 above the top block groove, a driving motor 9 which is in transmission fit with the rotating shafts 18 is fixedly connected with the outer wall of one side of the top shell 8, two first deep grooves 17 are formed on the inner wall of the top block groove, a winding wheel 19 positioned outside the rotating shafts 18 is rotatably connected with the inner wall of the side surface of the first deep grooves 17, a metal lifting rope 2 is wound on the outer wall of the side surface of the winding wheel 19, the other end of the metal lifting rope 2 is fixedly connected to the outer wall of the top block 3, the rotating shaft 18 is located on the inner side of the winding wheel 19, the outer wall of the side face of the rotating shaft 18 is fixedly connected with an inner convex block 20, the inner wall of the side face of the winding wheel 19 is fixedly connected with an outer convex block 21, and the inner convex block 20 and the outer convex block 21 are both of a quarter arc-shaped structure.
Wherein, fixed establishment includes fixed shell 11 of fixed connection in the outer wall four corners in top plate 1 bottom, and the sliding connection of fixed shell 11 has the activity shell 13 of L type, and there is a check pin 12 one side outer wall of activity shell 13 through threaded connection, check pin 12 sliding connection in the side inner wall of fixed shell 11.
Wherein, top outer wall one side of roof 1 is rotated and is connected with adjusting button 15, and the bottom outer wall that roof 1 is located adjusting button 15 below is opened has the pressure trepanning, and the side inner wall sliding connection who presses the trepanning has pressure cover 38, presses the bottom outer wall fixedly connected with layering 39 of cover 38, and the bottom outer wall fixedly connected with of adjusting button 15 passes through threaded connection in the adjusting screw 37 who presses cover 38 side inner wall.
Wherein, the top outer wall of the movable shell 13 is fixedly connected with a supporting shell 41 positioned below the pressing bar 39, the side inner wall of the supporting shell 41 is slidably connected with a supporting bar 42, and a supporting spring 40 is fixedly connected between the bottom outer wall of the supporting bar 42 and the bottom inner wall of the supporting shell 41.
Wherein, installation mechanism includes jib 7 of fixed connection in 8 top outer walls of epitheca, and the side outer wall top sliding connection of jib 7 has a section of thick bamboo 6 of hanging, and evenly distributed's fixed orifices about the side outer wall of jib 7 is opened, and jib 7 and a section of thick bamboo 6 are fixed relatively through fixed top 4, hang the top outer wall fixedly connected with fixing base 5 of a section of thick bamboo 6.
Wherein, the draw-in groove 10 has all been opened to the both sides outer wall of kicking block 3, and the bottom surface of draw-in groove 10 is the arc structure, and the both sides inner wall in draw-in groove has all opened fixture block groove 25, and the side inner wall sliding connection of fixture block groove 25 has the fixture block 27 with draw-in groove 10 looks adaptation, and the top outer wall of fixture block 27 rotates and is connected with the roller 28, fixedly connected with fixture block spring 26 between one side outer wall of fixture block 27 and one side inner wall of fixture block groove 25.
Wherein, the inside of top shell 8 is opened and is located the second deep groove 22 of fixture block groove 25 one side, and the side inner wall of second deep groove 22 rotates and is connected with the rope wheel 29 that draws that is located the pivot 18 outside, and the side outer wall fixedly connected with stay cord 24 of rope wheel 29 draws, and the side inner wall of second deep groove 22 rotates and is connected with two at least rope guide wheels 23, and the other end of stay cord 24 passes behind the rope guide wheel 23 fixed connection in the side outer wall of fixture block 27.
Wherein, the pivot 18 is located the inside side outer wall fixedly connected with bullet piece wheel 32 of rope wheel 29, and the side outer wall of bullet piece wheel 32 is opened has three annular evenly distributed's bullet piece groove, the side inner wall sliding connection in bullet piece groove has bullet piece 30, fixedly connected with bullet piece spring 31 between the side outer wall of bullet piece 30 and the side inner wall in bullet piece groove, the one end of bullet piece 30 is provided with triangle arch 33, the side inner wall of rope wheel 29 is opened and is had annular evenly distributed's the triangle draw-in groove 36 with the protruding 33 looks adaptation of triangle, the side inner wall fixedly connected with fixed stop 34 that the second deep groove 22 is located rope wheel 29 one side, the side outer wall fixedly connected with of rope wheel 29 and the corresponding activity cardboard 35 of fixed stop 34.
When the invention is used: the projector body 14 is fixedly arranged below the top plate 1, the projector body 14 can be locked by screwing the locking nail 12, the lens of the projector body 14 is positioned at one side of the adjusting button 15, the pressing strip 39 can be moved downwards by rotating the adjusting button 15, so that the inclination angle of the projector body 14 can be adjusted, the fixing seat 5 is fixedly arranged at the top of a classroom, the clamping block 27 is clamped in the clamping groove 10, the metal lifting rope 2 is wound on the winding wheel 19, when the projector body 14 breaks down and needs maintenance, the driving motor 9 is controlled to rotate, when the driving motor 9 starts to rotate, the inner convex block 20 rotates along the inner part of the winding wheel 19 and is not contacted with the outer convex block 21, the rotating shaft 18 does not drive the winding wheel 19 to rotate, meanwhile, the rope pulling wheel 29 rotates and winds the rope pulling 24 to enable the clamping block 27 to leave the clamping groove 10 until the clamping block 27 completely leaves the clamping groove 10, interior lug 20 rotates to one side of evagination piece 21, drives through the cooperation of interior lug 20 and outer lug 21 this moment and rotates around reel 19 to make metal lifting rope 2 put down, and then put down projector body 14 and can maintain, transfer the in-process at projector body 14, fixture block 27 has contracted to extreme position this moment, and pivot 18 can make in the rotation process bullet piece 30 intermittent type nature income bullet piece groove this moment, and then draw rope sheave 29 can not take place to rotate this moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. A multifunctional teaching device for teaching comprises a projector body (14) and is characterized in that a top plate (1) is arranged above the projector body (14), a fixing mechanism is arranged between the top plate (1) and the projector body (14), a top shell (8) is arranged above the top plate (1), an installing mechanism is arranged on the outer wall of the top shell (8), a top block (3) is fixedly connected to the outer wall of the top plate (1), a top block groove matched with the top block (3) is formed in the outer wall of the bottom of the top shell (8), two rotating shafts (18) are rotatably connected to the inner wall of the side, located above the top block groove, of the top shell (8), a driving motor (9) in transmission fit with the rotating shafts (18) is fixedly connected to the outer wall of one side of the top shell (8), two first deep grooves (17) are formed in the inner wall of the top block groove, a winding wheel (19) located outside the rotating shafts (18) is rotatably connected to the inner wall of the side of the first deep grooves (17), the side outer wall of the winding wheel (19) is wound with a metal lifting rope (2), the other end of the metal lifting rope (2) is fixedly connected to the top outer wall of the top block (3), the rotating shaft (18) is located on the side outer wall of the inside of the winding wheel (19) and is fixedly connected with an inner convex block (20), the side inner wall of the winding wheel (19) is fixedly connected with an outer convex block (21), and the inner convex block (20) and the outer convex block (21) are of a quarter arc-shaped structure.
2. The multifunctional teaching device for teaching according to claim 1, wherein the fixing mechanism comprises a fixed shell (11) fixedly connected to four corners of the outer wall of the bottom of the top plate (1), the fixed shell (11) is slidably connected with an L-shaped movable shell (13), the outer wall of one side of the movable shell (13) is connected with a locking nail (12) through a thread, and the locking nail (12) is slidably connected to the inner wall of the side surface of the fixed shell (11).
3. The multifunctional teaching device for teaching according to claim 2, wherein the adjusting button (15) is rotatably connected to one side of the top outer wall of the top plate (1), the bottom outer wall of the top plate (1) below the adjusting button (15) is provided with a pressing sleeve hole, the side inner wall of the pressing sleeve hole is slidably connected with the pressing sleeve (38), the bottom outer wall of the pressing sleeve (38) is fixedly connected with the pressing strip (39), and the bottom outer wall of the adjusting button (15) is fixedly connected with the adjusting screw (37) which is in threaded connection with the side inner wall of the pressing sleeve (38).
4. The multifunctional teaching device for teaching as claimed in claim 3, wherein the top outer wall of the movable shell (13) is fixedly connected with a supporting shell (41) below the pressing bar (39), the side inner wall of the supporting shell (41) is slidably connected with a supporting bar (42), and a supporting spring (40) is fixedly connected between the bottom outer wall of the supporting bar (42) and the bottom inner wall of the supporting shell (41).
5. The multifunctional teaching device for teaching as claimed in claim 1, wherein the mounting mechanism comprises a suspension rod (7) fixedly connected to the top outer wall of the top shell (8), a suspension cylinder (6) is slidably connected to the top of the side outer wall of the suspension rod (7), fixing holes are uniformly distributed in the side outer wall of the suspension rod (7), the suspension rod (7) and the suspension cylinder (6) are relatively fixed through a fixed top (4), and a fixing seat (5) is fixedly connected to the top outer wall of the suspension cylinder (6).
6. The multifunctional teaching device for teaching according to claim 1, wherein the outer walls of the two sides of the top block (3) are both provided with a clamping groove (10), the bottom surface of the clamping groove (10) is of an arc-shaped structure, the inner walls of the two sides of the top block groove are both provided with a clamping block groove (25), the inner wall of the side surface of the clamping block groove (25) is slidably connected with a clamping block (27) matched with the clamping groove (10), the outer wall of the top part of the clamping block (27) is rotatably connected with a rolling rod (28), and a clamping block spring (26) is fixedly connected between the outer wall of one side of the clamping block (27) and the inner wall of one side of the clamping block groove (25).
7. The multifunctional teaching device for teaching according to claim 6, wherein the top shell (8) is internally provided with a second deep groove (22) located on one side of the block groove (25), the inner side wall of the second deep groove (22) is rotatably connected with a rope pulling wheel (29) located on the outer side of the rotating shaft (18), the outer side wall of the rope pulling wheel (29) is fixedly connected with a pulling rope (24), the inner side wall of the second deep groove (22) is rotatably connected with at least two rope guiding wheels (23), and the other end of the pulling rope (24) passes through the rope guiding wheels (23) and is fixedly connected with the outer side wall of the block (27).
8. A multi-functional teaching device for teaching according to claim 7, the outer wall of the side surface of the rotating shaft (18) positioned in the rope pulling wheel (29) is fixedly connected with an elastic block wheel (32), and the side outer wall of bullet piece wheel (32) is opened there are three annular evenly distributed's bullet piece groove, the side inner wall sliding connection in bullet piece groove has bullet piece (30), fixedly connected with bullet piece spring (31) between the side outer wall in the side outer wall of bullet piece (30) and the side inner wall in bullet piece groove, the one end of bullet piece (30) is provided with triangle arch (33), draw the triangle draw-in groove (36) that the side inner wall of rope sheave (29) opened and have annular evenly distributed and triangle arch (33) looks adaptation, second deep groove (22) are located the side inner wall fixedly connected with fixed stop (34) of rope sheave (29) one side, the side outer wall fixedly connected with of rope sheave (29) has movable clamping plate (35) corresponding with fixed stop (34).
CN202110991753.3A 2021-08-26 2021-08-26 Multifunctional teaching device for teaching Active CN113719708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110991753.3A CN113719708B (en) 2021-08-26 2021-08-26 Multifunctional teaching device for teaching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110991753.3A CN113719708B (en) 2021-08-26 2021-08-26 Multifunctional teaching device for teaching

Publications (2)

Publication Number Publication Date
CN113719708A true CN113719708A (en) 2021-11-30
CN113719708B CN113719708B (en) 2022-10-04

Family

ID=78678319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110991753.3A Active CN113719708B (en) 2021-08-26 2021-08-26 Multifunctional teaching device for teaching

Country Status (1)

Country Link
CN (1) CN113719708B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009143772A1 (en) * 2008-05-27 2009-12-03 Sun Zhimin A tv set lifter
CN207762475U (en) * 2018-01-15 2018-08-24 连云港市添立润化工有限公司 A kind of liquid crystal display pigment derivative production temperature control device
CN211175995U (en) * 2019-11-19 2020-08-04 九江恒远建设工程质量检测有限公司 Building major structure on-site measuring device
CN111798721A (en) * 2020-08-25 2020-10-20 深圳市普瑞吉电子有限公司 Intelligent multimedia android online teaching all-in-one machine
CN212804974U (en) * 2020-08-13 2021-03-26 乌鲁木齐职业大学 Computer application teaching display device
CN213930195U (en) * 2020-10-27 2021-08-10 河南泰铝实业有限公司 Multifunctional crown block monitoring device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009143772A1 (en) * 2008-05-27 2009-12-03 Sun Zhimin A tv set lifter
CN207762475U (en) * 2018-01-15 2018-08-24 连云港市添立润化工有限公司 A kind of liquid crystal display pigment derivative production temperature control device
CN211175995U (en) * 2019-11-19 2020-08-04 九江恒远建设工程质量检测有限公司 Building major structure on-site measuring device
CN212804974U (en) * 2020-08-13 2021-03-26 乌鲁木齐职业大学 Computer application teaching display device
CN111798721A (en) * 2020-08-25 2020-10-20 深圳市普瑞吉电子有限公司 Intelligent multimedia android online teaching all-in-one machine
CN213930195U (en) * 2020-10-27 2021-08-10 河南泰铝实业有限公司 Multifunctional crown block monitoring device

Also Published As

Publication number Publication date
CN113719708B (en) 2022-10-04

Similar Documents

Publication Publication Date Title
CN113719708B (en) Multifunctional teaching device for teaching
KR101813882B1 (en) Operating apparatus for solar radiation shielding device
JP4697496B2 (en) Net or seat moving system using endless winches and endless winches
CN216836339U (en) High-efficient coiling mechanism of waterproofing membrane
CN116464380A (en) Rolling curtain
CN217982729U (en) Energy-saving liquid crystal LED display screen
CN210619836U (en) Cable coiling apparatus for communication engineering
CN113339760A (en) Lamp mounting structure and lamp using same
CN218441889U (en) Building energy-saving control equipment
CN209586221U (en) A kind of cord draw off gear
CN112065252A (en) Springback-free automatic sun-shading curtain
CN217935756U (en) Industrial camera structure with height self-adjusting performance
CN221093255U (en) Cable winding and unwinding device
CN221570457U (en) Eye-protecting lamp
CN218338871U (en) Fire control reel frame
CN216811527U (en) Electric roller shutter with automatic cloth recovery and rolling device
CN216711116U (en) Tension adjusting structure of air jet loom
CN210768544U (en) Energy-saving glass window
CN210777218U (en) Projection screen adjusting device for computer teaching
CN220828711U (en) Camera adjusting device
CN112023423B (en) Self-guiding stretching electric curtain
CN221256334U (en) Sky curtain double-motor winding and unwinding devices
CN217678212U (en) Hidden airing machine assembly convenient to installation is maintained
CN217894824U (en) Elevator car roof convenient to dismantle
CN215825204U (en) Clamping device for assembling lens mount of lens

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant