CN107956985A - The multimedia teaching facility that a kind of English teaching uses - Google Patents
The multimedia teaching facility that a kind of English teaching uses Download PDFInfo
- Publication number
- CN107956985A CN107956985A CN201711199726.2A CN201711199726A CN107956985A CN 107956985 A CN107956985 A CN 107956985A CN 201711199726 A CN201711199726 A CN 201711199726A CN 107956985 A CN107956985 A CN 107956985A
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- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other 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
- F16M13/027—Ceiling supports
-
- 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
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
-
- 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
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- 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
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- 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
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manipulator (AREA)
Abstract
The invention discloses the multimedia teaching facility that a kind of English teaching uses,Its structure includes self-checking device,Fixing bolt,Footstock,Bottom contiguous block,Supporting rack,Coupling bar,Projecting apparatus,Ventilating opening,Projection head,Fixing bolt is in turn connected into rectangle structure and is arranged on footstock,Footstock bottom and self-checking device vertical connection,Self-checking device bottom is connected to inside the contiguous block of bottom,Bottom contiguous block bottom at the top of supporting rack with welding,The self-checking device for the multimedia teaching facility that a kind of English teaching of the present invention uses,Can be after installation be fixed,Ensure that equipment mass activity has higher flexibility,By the gearing of equipment built-in component body can be helped to carry out multi-angle rotation,The height of equipment entirety can be adjusted according to actual conditions,Equipment can be helped to carry out the adjustment of longitudinal separation,Ensure the integrality of projection,The angle of equipment entirety can also be adjusted at the same time,Improve the use value of equipment.
Description
Technical field
The present invention is the multimedia teaching facility that a kind of English teaching uses, and belongs to the multimedia teaching that English teaching uses
Apparatus field.
Background technology
Projecting apparatus, also known as projector, are a kind of equipment that can be projected image or video on curtain, can be by not
The same computer of interface together, VCD, DVD, BD, game machine, DV etc., which are connected, plays corresponding vision signal.
The multimedia teaching facility that existing English teaching uses is put in installation standing back and is difficult to be changed, if peace
Dress angle goes wrong, and image will tilt when projection, reduce use value.
The content of the invention
To be set in view of the deficienciess of the prior art, it is an object of the present invention to provide the multimedia teaching that a kind of English teaching uses
Standby, to solve prior art imperfection, the multimedia teaching facility that existing English teaching uses is put just very in installation standing back
Difficulty is changed, if setting angle goes wrong, image will tilt when projection, reduce use value.
To achieve these goals, the present invention is to realize by the following technical solutions：What a kind of English teaching used
Multimedia teaching facility, its structure include self-checking device, fixing bolt, footstock, bottom contiguous block, supporting rack, coupling bar,
Projecting apparatus, ventilating opening, projection head, the fixing bolt are in turn connected into rectangle structure and are arranged on footstock, the footstock bottom
Portion and self-checking device vertical connection, the self-checking device bottom are connected to inside the contiguous block of bottom, and the bottom connects
Connect and welded at the top of block bottom and supporting rack, support frame as described above by coupling bar with being fixedly connected inside projecting apparatus, the ventilating opening
Interval equal angular is arranged in projecting apparatus side, and the projection head is installed on front of projector, and the self-checking device is by leading
Axis, gear, motor, bottom lever arm, worm gear pole, support frame, follower, transmission belt, driving wheel, driving motor, fixed block,
It is second motor, spring, travelling gear, movable pulley, securing plate, regulating arm, interior movable block, manual setter, internal thread connecting cylinder, outer
Whorl brace rod, buffer arm, second spring, wedging ring, outline border, linkage gear bar, stayed mast, buffer, positioning gear, shaft coupling
Device, travelling gear bar, rack composition, the motor are arranged on inside the lever arm of bottom, the motor right end and shaft coupling left end
Inside is fixedly connected, and is fixedly connected inside the shaft coupling right end with travelling gear bar left end side, and the travelling gear bar is right
End side surface is meshed with gear side, and described main shaft one end and gear internal vertical connection, the other end run through bottom lever arm bottom
Portion is connected to inside the contiguous block of bottom, and the outline border bottom is flexibly connected with bottom lever arm top, the bottom lever arm top
End be internally provided with positioning gear, the positioning tooth wheel side is sequentially connected with worm gear pole side, the worm gear pole both ends and
Outline border bottom inner wall vertical connection, the worm gear pole left end side are connected with follower internal vertical, the support frame with it is outer
Be fixedly connected inside frame, it is described driving motor right end with being fixedly connected inside support frame left end, it is described driving motor left end and
Driving wheel internal vertical connects, and the driving wheel is sequentially connected by transmission belt and follower, described stayed mast one end and
The Right vertical connection of support frame upper half end, the other end are fixedly connected with outline border left side wall, and the buffer both ends are fixedly connected
Between stayed mast bottom and support frame right end top, the fixed block is arranged on outline border centre position, the linkage gear bar
Both ends are connected with outline border upper half end internal vertical, and the two motors right end is connected with travelling gear internal vertical, the driving cog
Wheel side is sequentially connected with linkage gear bar left end side, the linkage gear bar medial side face and external screw thread connecting rod bottom
Portion side is meshed, and the external screw thread connecting rod upper half end side surface inside internal thread connecting cylinder by screw thread with being attached, institute
Internal thread connecting cylinder is stated inside regulating arm, regulating arm bottom both ends are equipped with buffer arm, and the buffer arm passes through second
Spring is connected to wedging ring both sides, is flexibly connected inside the wedging ring with external screw thread connecting rod lower half end side surface, the movement
Wheel is arranged on outer arch both ends inside grooves, and described securing plate one end is fixed on inside movable pulley by positioning pin, and the other end leads to
Cross bolt and be fixed on regulating arm both sides, the both ends of the spring is fixed on the inside of outer arch both ends between positioning pin side, institute
State regulating arm top to be fixed on inside footstock by interior movable block, the manual setter left end is connected to through regulating arm right side wall
Interior movable block low side side.
Further, the manual setter is made of connection frame plate, rubber sleeve, joystick, bearing, adjusting rod.
Further, with joystick left end vertical connection inside the connection frame plate lower half end, the joystick side is set
Rubber sleeve, the adjusting rod right end are equipped with being connected the welding of frame plate left surface, the adjusting rod with regulating arm right wall junction
Bearing.
Further, the follower carries out symmetry arrangement with driving wheel by line of symmetry of the center line of transmission belt.
Further, the spring and the table that the three-dimensional shape of second spring is cylinder, the spring and second spring
Face is smooth flat.
Further, the ventilating opening is used to reduce the operating temperature inside equipment.
Further, the fixing bolt can increase fixed convenience.
Beneficial effect
The multimedia teaching facility that a kind of English teaching of the present invention uses, it would be desirable to be used as by motor generation torque dynamic
Power source, motor can by shaft coupling drive travelling gear bar be rotated, travelling gear bar can drive rack together into
Row rotates, and the gear rack that sways in synchrony rotates together, and gear and main shaft carry out concentric rotation, and driving motor can drive actively
Wheel is rotated, and driving wheel can drive follower to be rotated by transmission belt, and follower carries out concentric with worm gear pole and turns
Dynamic, the power to interact between worm gear pole side and positioning gear moves left and right to drive whole bottom lever arm to realize, to change
Become projector distance, the second motor driving travelling gear is rotated, and travelling gear can drive linkage gear bar integrally to be turned
Dynamic, linkage gear bar can drive external screw thread connecting rod to carry out original place rotation, external screw thread connecting rod by with internal thread connecting cylinder
Between the power that interacts carry out the adjusting of height, buffer arm passes through second spring, the pressure of the external whorl brace rod of wedging ring
Power ensures the degree of stability of rise and fall, and spring, movable pulley can help securing plate to carry out displacement while regulating arm is played
Supporting role, interior movable block can carry out overall angular adjustment by manual setter.
The self-checking device for the multimedia teaching facility that a kind of English teaching of the present invention uses, can fix in installation
Afterwards, ensure equipment mass activity there is higher flexibility, by the gearing of equipment built-in component can help body into
Row multi-angle rotation, can be adjusted the height of equipment entirety according to actual conditions, can help equipment carry out it is front and rear away from
From adjustment, ensure the integrality of projection, while the angle of equipment entirety can also be adjusted, and improve the use valency of equipment
Value.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structure diagram for the multimedia teaching facility that a kind of English teaching of the present invention uses.
Fig. 2 is the structure diagram of self-checking device of the present invention.
Fig. 3 is the structure diagram that self-checking device bottom of the present invention lever arm moves to right.
Fig. 4 is the structure diagram that self-checking device regulating arm of the present invention rises.
Fig. 5 is the structure diagram of manual setter of the present invention.
In figure：Self-checking device -1, fixing bolt -2, footstock -3, bottom contiguous block -4, supporting rack -5, coupling bar -6,
Projecting apparatus -7, ventilating opening -8, projection head -9, main shaft -101, gear -102, motor -103, bottom lever arm -104, worm gear pole -
105th, support frame -106, follower -107, transmission belt -108, driving wheel -109, driving motor -110, fixed block -111, the
Two motors -112, spring -113, travelling gear -114, movable pulley -115, securing plate -116, regulating arm -117, interior movable block -
118th, manual setter -119, internal thread connecting cylinder -120, external screw thread connecting rod -121, buffer arm -122, second spring -123, pressure
Contracting set -124, outline border -125, linkage gear bar -126, stayed mast -127, buffer -128, positioning gear -129, shaft coupling -
130th, travelling gear bar -131, rack -132, connection frame plate -1191, rubber sleeve -1192, joystick -1193, bearing -
1194th, adjusting rod -1195.
Embodiment
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, with reference to
Embodiment, the present invention is further explained.
- Fig. 5 is please referred to Fig.1, the present invention provides the multimedia teaching facility technical solution that a kind of English teaching uses：It is tied
Structure includes self-checking device 1, fixing bolt 2, footstock 3, bottom contiguous block 4, supporting rack 5, coupling bar 6, projecting apparatus 7, ventilation
Mouthfuls 8, projection head 9, the fixing bolt 2 are in turn connected into rectangle structure and are arranged on footstock 3,3 bottom of footstock with from
1 vertical connection of dynamic regulating device, 1 bottom of self-checking device are connected to inside bottom contiguous block 4, the bottom contiguous block
The top of 4 bottoms and supporting rack 5 is welded, support frame as described above 5 by coupling bar 6 with being fixedly connected inside projecting apparatus 7, the ventilating opening
8 interval equal angulars are arranged in 7 side of projecting apparatus, and the projection head 9 is installed on 7 front end of projecting apparatus, the self-checking device 1
By main shaft 101, gear 102, motor 103, bottom lever arm 104, worm gear pole 105, support frame 106, follower 107, transmission
Band 108, driving wheel 109, driving motor 110, fixed block 111, the second motor 112, spring 113, travelling gear 114, movable pulley
115th, securing plate 116, regulating arm 117, interior movable block 118, manual setter 119, internal thread connecting cylinder 120, external screw thread connecting rod
121st, buffer arm 122, second spring 123, wedging ring 124, outline border 125, linkage gear bar 126, stayed mast 127, buffer
128th, position gear 129, shaft coupling 130, travelling gear bar 131, rack 132 to form, the motor 103 is arranged on bottom activity
Inside arm 104,103 right end of motor with being fixedly connected inside 130 left end of shaft coupling, inside 130 right end of shaft coupling with
131 left end side of travelling gear bar is fixedly connected, and 131 right end side of travelling gear bar is meshed with 102 side of gear, institute
State 101 one end of main shaft to be connected with 102 internal vertical of gear, the other end is connected to bottom connection through 104 bottom of bottom lever arm
Inside block 4,125 bottom of outline border is flexibly connected with 104 top of bottom lever arm, inside 104 top of bottom lever arm
Equipped with positioning gear 129, positioning 129 side of gear is sequentially connected with 105 side of worm gear pole, the worm gear pole 105
Both ends and 125 bottom inner wall vertical connection of outline border, 105 left end side of worm gear pole are connected with 107 internal vertical of follower, institute
Support frame 106 is stated with being fixedly connected inside outline border 125, driving 110 right end of motor and 106 left end of support frame inside are solid
Fixed connection, driving 110 left end of motor are connected with 109 internal vertical of driving wheel, and the driving wheel 109 passes through transmission belt 108
It is sequentially connected with follower 107, described 127 one end of stayed mast is connected with 106 upper half end Right vertical of support frame, another
End is fixedly connected with 125 left side wall of outline border, and 128 both ends of buffer are fixedly connected on 127 bottom of stayed mast and support frame
Between at the top of 106 right ends, the fixed block 111 is arranged on 125 centre position of outline border, 126 both ends of linkage gear bar and outline border
125 upper half end internal vertical connections, two motors, 112 right end are connected with 114 internal vertical of travelling gear, the travelling gear
114 sides are sequentially connected with 126 left end side of linkage gear bar, 126 medial side face of linkage gear bar and external screw thread
121 bottom sides of connecting rod are meshed, and the 121 upper half end side surface of external screw thread connecting rod and the inside of internal thread connecting cylinder 120 are logical
Cross screw thread to be attached, the internal thread connecting cylinder 120 is arranged on inside regulating arm 117, and the 117 bottom both ends of regulating arm are equipped with
Buffer arm 122, the buffer arm 122 are connected to 124 both sides of wedging ring by second spring 123, the inside of wedging ring 124 with
121 lower half end side surface of external screw thread connecting rod is flexibly connected, and the movable pulley 115 is arranged on 125 top both ends inside grooves of outline border, institute
State 116 one end of securing plate to be fixed on inside movable pulley 115 by positioning pin, the other end is secured by bolts in 117 liang of regulating arm
Side, 113 both ends of spring are fixed on the inside of 125 top both ends of outline border between positioning pin side, 117 top of regulating arm
It is fixed on by interior movable block 118 inside footstock 3,119 left end of manual setter is connected to interior through 117 right side wall of regulating arm
118 low side side of movable block, the manual setter 119 is by connection frame plate 1191, rubber sleeve 1192, joystick 1193, bearing
1194th, adjusting rod 1195 forms, 1191 lower half end of connection frame plate inside and 1193 left end vertical connection of joystick, the hand
1193 side of rocking bar is equipped with rubber sleeve 1192, and 1195 right end of adjusting rod is with being connected the welding of 1191 left surface of frame plate, the tune
Pole 1195 is equipped with bearing 1194 with 117 right wall junction of regulating arm, and the follower 107 is with driving wheel 109 with transmission belt 108
Center line carry out symmetry arrangement for line of symmetry, the three-dimensional shape of the spring 113 and second spring 123 is cylinder, described
The surface of spring 113 and second spring 123 is smooth flat, and the ventilating opening 8 is used to reduce the operating temperature inside equipment, institute
Fixed convenience can be increased by stating fixing bolt 2.
Two axis that shaft coupling 130 described in this patent is used for coupling in different institutions are allowed to rotation jointly to transmit moment of torsion
Machine components.In the power transmission of high-speed overload, some shaft couplings also have buffering, vibration damping and improve shafting dynamic property
Effect.Shaft coupling is made of two half parts, is coupled respectively with driving shaft and driven shaft.General engine is mostly by means of shaft coupling
It is connected with working machine.
Carrying out in use, we need to be used as power source by the generation torque of motor 103, motor 103 can pass through connection
Axis device 130 drives travelling gear bar 131 to be rotated, and travelling gear bar 131 can drive rack 132 to be rotated together,
The rack 132 that sways in synchrony of gear 102 rotates together, and gear 102 and main shaft 101 carry out concentric rotation, and driving motor 110 can
Driving driving wheel 109 is rotated, and driving wheel 109 can drive follower 107 to be rotated by transmission belt 108, follower
107 carry out concentric rotation with worm gear pole 105, and the power that interacts drives between 105 side of worm gear pole and positioning gear 129
Whole bottom lever arm 104, which is realized, to be moved left and right, to change projector distance, the second motor 112 114 turns of travelling gear of driving
Dynamic, travelling gear 114 can drive linkage gear bar 126 is overall to be rotated, and linkage gear bar 126 can drive external screw thread to connect
Extension bar 121 carries out original place rotation, external screw thread connecting rod 121 by the power that interacts between internal thread connecting cylinder 120 come into
The adjusting of row height, buffer arm 122 are ensured by second spring 123, the pressure of the external whorl brace rod 121 of wedging ring 124
The degree of stability of rise and fall, spring 113, movable pulley 115 can help securing plate 116 to carry out displacement at the same time to regulating arm 117
Play a supporting role, interior movable block 118 can carry out overall angular adjustment by manual setter 119.
Because 1191 lower half end of connection frame plate inside and 1193 left end vertical connection of joystick, the joystick 1193
Side is equipped with rubber sleeve 1192, and 1195 right end of adjusting rod is with being connected the welding of 1191 left surface of frame plate, the adjusting rod 1195
Bearing 1194 is equipped with 117 right wall junction of regulating arm, by increasing capacitance it is possible to increase the convenience that interior movable block -118 is adjusted.
The present invention solves the problems, such as it is prior art imperfection, and the multimedia teaching facility that existing English teaching uses is being pacified
Dress standing back, which is put, to be difficult to be changed, if setting angle goes wrong, image will tilt when projection, reduce
Use value, being combined with each other by above-mentioned component of the invention, can after installation is fixed, ensure equipment mass activity have compared with
High flexibility, can help body to carry out multi-angle rotation by the gearing of equipment built-in component, can be according to reality
The height of equipment entirety is adjusted in situation, and equipment can be helped to carry out the adjustment of longitudinal separation, ensures the integrality of projection,
The angle of equipment entirety can also be adjusted at the same time, improve the use value of equipment.
The basic principles, main features and the advantages of the invention have been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes fallen in the implication and scope of the equivalency of claim in the present invention
It is interior.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical solution, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. the multimedia teaching facility that a kind of English teaching uses, its structure include self-checking device (1), fixing bolt (2),
Footstock (3), bottom contiguous block (4), supporting rack (5), coupling bar (6), projecting apparatus (7), ventilating opening (8), projection head (9), it is described
Fixing bolt (2) is in turn connected into rectangle structure and is arranged on footstock (3), footstock (3) bottom and self-checking device
(1) vertical connection, self-checking device (1) bottom are connected to bottom contiguous block (4) inside, the bottom contiguous block (4)
Bottom at the top of supporting rack (5) with welding, and support frame as described above (5) is fixedly connected by coupling bar (6) with projecting apparatus (7) inside, institute
To state ventilating opening (8) interval equal angular and be arranged in projecting apparatus (7) side, the projection head (9) is installed on projecting apparatus (7) front end,
It is characterized in that：
The self-checking device (1) is by main shaft (101), gear (102), motor (103), bottom lever arm (104), worm gear pole
(105), support frame (106), follower (107), transmission belt (108), driving wheel (109), driving motor (110), fixed block
(111), the second motor (112), spring (113), travelling gear (114), movable pulley (115), securing plate (116), regulating arm
(117), interior movable block (118), manual setter (119), internal thread connecting cylinder (120), external screw thread connecting rod (121), buffer arm
(122), second spring (123), wedging ring (124), outline border (125), linkage gear bar (126), stayed mast (127), buffer
(128), gear (129), shaft coupling (130), travelling gear bar (131), rack (132) composition, the motor (103) are positioned
Internal arranged on bottom lever arm (104), motor (103) right end is described with being fixedly connected inside shaft coupling (130) left end
It is fixedly connected inside axis device (130) right end with travelling gear bar (131) left end side, travelling gear bar (131) the right end side
Face is meshed with gear (102) side, and described main shaft (101) one end is connected with gear (102) internal vertical, and the other end runs through bottom
Portion's lever arm (104) bottom is connected to bottom contiguous block (4) inside, and outline border (125) bottom is pushed up with bottom lever arm (104)
End is flexibly connected, and bottom lever arm (104) top is internally provided with positioning gear (129), described positioning gear (129) side
It is sequentially connected with worm gear pole (105) side, worm gear pole (105) both ends and outline border (125) bottom inner wall vertical connection,
Worm gear pole (105) left end side is connected with follower (107) internal vertical, the support frame (106) and outline border (125)
Inside is fixedly connected, and driving motor (110) right end inside support frame (106) left end with being fixedly connected, the driving electricity
Machine (110) left end is connected with driving wheel (109) internal vertical, and the driving wheel (109) passes through transmission belt (108) and follower
(107) it is sequentially connected, described stayed mast (127) one end is connected with support frame (106) upper half end Right vertical, the other end
It is fixedly connected with outline border (125) left side wall, buffer (128) both ends are fixedly connected on stayed mast (127) bottom and support
Between at the top of frame (106) right end, the fixed block (111) is arranged on outline border (125) centre position, the linkage gear bar
(126) both ends are connected with outline border (125) upper half end internal vertical, and two motors (112) right end is internal with travelling gear (114)
Vertical connection, travelling gear (114) side are sequentially connected with linkage gear bar (126) left end side, the linkage
Rack (126) medial side face is meshed with external screw thread connecting rod (121) bottom sides, on the external screw thread connecting rod (121)
Half end side surface is attached with internal thread connecting cylinder (120) inside by screw thread, and the internal thread connecting cylinder (120), which is arranged on, to be adjusted
Arm (117) is internal, and regulating arm (117) the bottom both ends are equipped with buffer arm (122), and the buffer arm (122) passes through the second bullet
Spring (123) is connected to wedging ring (124) both sides, wedging ring (124) inside and external screw thread connecting rod (121) lower half end side surface
It is flexibly connected, the movable pulley (115) is arranged on both ends inside grooves at the top of outline border (125), and described securing plate (116) one end passes through
Positioning pin is fixed on movable pulley (115) inside, and the other end is secured by bolts in regulating arm (117) both sides, the spring (113)
Both ends are fixed at the top of outline border (125) on the inside of both ends between positioning pin side, and regulating arm (117) top passes through interior activity
Block (118) is fixed on footstock (3) inside, and manual setter (119) left end is connected to interior work through regulating arm (117) right side wall
Motion block (118) low side side.
2. the multimedia teaching facility that a kind of English teaching according to claim 1 uses, it is characterised in that：It is described hand
Device (119) is by connection frame plate (1191), rubber sleeve (1192), joystick (1193), bearing (1194), adjusting rod (1195) group
Into.
3. the multimedia teaching facility that a kind of English teaching according to claim 2 uses, it is characterised in that：The connection
With joystick (1193) left end vertical connection inside frame plate (1191) lower half end, joystick (1193) side is equipped with rubber sleeve
(1192), adjusting rod (1195) right end is with being connected the welding of frame plate (1191) left surface, and the adjusting rod (1195) is with adjusting
Arm (117) right wall junction is equipped with bearing (1194).
4. the multimedia teaching facility that a kind of English teaching according to claim 1 uses, it is characterised in that：It is described passive
Take turns (107) and carry out symmetry arrangement by line of symmetry of the center line of transmission belt (108) with driving wheel (109).
5. the multimedia teaching facility that a kind of English teaching according to claim 1 uses, it is characterised in that：The spring
(113) three-dimensional shape with second spring (123) is cylinder, and the spring (113) and the surface of second spring (123) are light
Sliding plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199726.2A CN107956985A (en) | 2017-11-26 | 2017-11-26 | The multimedia teaching facility that a kind of English teaching uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711199726.2A CN107956985A (en) | 2017-11-26 | 2017-11-26 | The multimedia teaching facility that a kind of English teaching uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107956985A true CN107956985A (en) | 2018-04-24 |
Family
ID=61962530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711199726.2A Withdrawn CN107956985A (en) | 2017-11-26 | 2017-11-26 | The multimedia teaching facility that a kind of English teaching uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107956985A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548065A (en) * | 2018-06-21 | 2018-09-18 | 广州松夏微电子科技有限公司 | A kind of TV bracket of adjustable distance |
| CN109185651A (en) * | 2018-11-14 | 2019-01-11 | 河南云投小镇创业孵化器有限公司 | A kind of Course Business Management Teaching projector mount |
| CN110220079A (en) * | 2019-06-06 | 2019-09-10 | 山东亲橙里教学用品有限公司 | A kind of fixation device for English teaching |
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844642A (en) * | 1970-11-18 | 1974-10-29 | Gelatt Investments Inc | Microfilm viewer |
| CN201097090Y (en) * | 2007-09-29 | 2008-08-06 | 重庆电力高等专科学校 | Hoisting box for projection instrument |
| CN204331268U (en) * | 2015-01-14 | 2015-05-13 | 上海威超机电设备制造有限公司 | A kind of projector suspension bracket with smallpox window |
| CN204494037U (en) * | 2015-03-19 | 2015-07-22 | 袁志永 | Multimedia teaching projector mount |
| CN205959435U (en) * | 2016-05-13 | 2017-02-15 | 杨寓婷 | Display device for computer teaching |
| CN106898165A (en) * | 2017-03-31 | 2017-06-27 | 常州大学 | A kind of electronic English teaching system |
| CN107301795A (en) * | 2017-08-17 | 2017-10-27 | 郑州单点科技软件有限公司 | A kind of multimedia specialty be applicable with hall instructional device |
-
2017
- 2017-11-26 CN CN201711199726.2A patent/CN107956985A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3844642A (en) * | 1970-11-18 | 1974-10-29 | Gelatt Investments Inc | Microfilm viewer |
| CN201097090Y (en) * | 2007-09-29 | 2008-08-06 | 重庆电力高等专科学校 | Hoisting box for projection instrument |
| CN204331268U (en) * | 2015-01-14 | 2015-05-13 | 上海威超机电设备制造有限公司 | A kind of projector suspension bracket with smallpox window |
| CN204494037U (en) * | 2015-03-19 | 2015-07-22 | 袁志永 | Multimedia teaching projector mount |
| CN205959435U (en) * | 2016-05-13 | 2017-02-15 | 杨寓婷 | Display device for computer teaching |
| CN106898165A (en) * | 2017-03-31 | 2017-06-27 | 常州大学 | A kind of electronic English teaching system |
| CN107301795A (en) * | 2017-08-17 | 2017-10-27 | 郑州单点科技软件有限公司 | A kind of multimedia specialty be applicable with hall instructional device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548065A (en) * | 2018-06-21 | 2018-09-18 | 广州松夏微电子科技有限公司 | A kind of TV bracket of adjustable distance |
| CN109185651A (en) * | 2018-11-14 | 2019-01-11 | 河南云投小镇创业孵化器有限公司 | A kind of Course Business Management Teaching projector mount |
| CN110220079A (en) * | 2019-06-06 | 2019-09-10 | 山东亲橙里教学用品有限公司 | A kind of fixation device for English teaching |
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
| CN117053073B (en) * | 2023-10-12 | 2023-12-22 | 泰州市中泰教学装备有限公司 | Interactive multimedia teaching equipment |
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Application publication date: 20180424 |