CN111649218A - English learning device with left and right projection devices - Google Patents
English learning device with left and right projection devices Download PDFInfo
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- CN111649218A CN111649218A CN202010644270.1A CN202010644270A CN111649218A CN 111649218 A CN111649218 A CN 111649218A CN 202010644270 A CN202010644270 A CN 202010644270A CN 111649218 A CN111649218 A CN 111649218A
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- 230000006870 function Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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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
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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
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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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
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
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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
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
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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
- F16M11/18—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
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses an English learning device provided with a left projection device and a right projection device, relates to the technical field of projectors, and solves the problems that the existing projector and a projector hanger do not have the functions of moving and rotating and have higher limitation in use. An English learning device provided with a left projection device and a right projection device comprises an angle adjusting disc; the inside rotation of angle adjusting disk is connected with the bull stick at organism mounting panel top. When the device is fixed and is used on the ceiling, the projector body rotates and projects left and right, and the projector body moves longitudinally and transversely, so that the projector body can be adapted to be used under the conditions of different environments and demands, the flexibility is high, the use and learning experience of teachers and students is improved, and the practicability of the device is improved.
Description
Technical Field
The invention belongs to the technical field of projectors, and particularly relates to an English learning device provided with a left projection device and a right projection device.
Background
In modern society, along with the popularization of multimedia teaching instruments in colleges and universities, more teachers replace the blackboard writing teaching process through projector interactive teaching. A projector is a device that can project images or videos onto a curtain, and is widely used in homes, offices, schools, and entertainment venues.
Along with the continuous progress of science and technology, multimedia teaching has become the teaching mode of a mainstream, has been by the wide application in the middle of the multimedia teaching and the study of english and all kinds of subjects, at present, the projecting apparatus is when using, and for better projection effect, the projecting apparatus often uses the gallows to pass through the bolt and is installed on the ceiling.
If the application number is: CN201110293679.4 discloses a projector including a metamaterial antenna, a signal processing module, and a projector optical system, where the metamaterial antenna includes a dielectric substrate, a feeding point disposed on a surface of the dielectric substrate, a feeder line connected to the feeding point, and a metal structure; the feeder line is coupled with the metal structure, the metamaterial antenna receives electromagnetic wave signals containing video and audio information and converts the electromagnetic wave signals into electric signals, the signal processing module is used for processing the electric signals and generating result information, and the projector optical system responds to the result signals and projects images. The projector adopts the built-in metamaterial antenna, and can realize that video and audio signals are transmitted to the projector in a wireless mode such as high speed, ultra wide band and high capacity, thereby greatly reducing the cost of the projector for arranging various data interfaces.
Present projecting apparatus and projecting apparatus gallows do not all have removal and pivoted function, and the projecting apparatus uses the gallows often to pass through the bolt to be installed on the ceiling moreover, and this use position and angle are fixed after just leading to projecting apparatus and gallows installation to accomplish, can't remove and change the angle and use, have higher limitation when using, can not bring fine teaching and the experience of study for mr and student, and the practicality is not high.
In view of the above, it is an object of the present invention to provide an english learning apparatus with a left-right projector, which is improved in view of the conventional structure and drawbacks, and is expected to have higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an English learning device provided with a left projection device and a right projection device, which aims to solve the problems that the existing projector and projector hanger do not have the moving and rotating functions, and the projector is usually installed on a ceiling through bolts, so that the projector and the hanger are fixed in use position and angle after being installed, cannot be moved and used at a changed angle, have high limitation in use, cannot bring good teaching and learning experience to teachers and students, and are not high in practicability.
The invention discloses an English learning device with a left projection device and a right projection device, which is achieved by the following specific technical means:
an English learning device provided with a left projection device and a right projection device comprises a projector body, an angle adjusting disc, a longitudinal rail block, a transverse rail block, a driving motor set and a control switch; the projector body is screwed and fixed on the bottom surface of the machine body mounting plate through screws; the inside of the angle adjusting disc is rotatably connected with a rotating rod at the top of the machine body mounting plate; the longitudinal track block is inserted in the ceiling mounting plate; the ceiling mounting plate is fixed at the bottom of the ceiling through expansion bolts; the transverse track block is fixedly connected to the middle of the bottom surface of the ceiling mounting plate; the inner parts of the longitudinal track block and the transverse track block are rotatably connected with adjusting rods; the driving motor group consists of a driving motor a, a driving motor b and a driving motor c; the driving motor a is screwed and fixed in the mounting groove of the angle adjusting disc through a screw; the driving motor b is screwed and fixed in the mounting groove of the longitudinal track block through a screw; the driving motor c is screwed and fixed in the mounting groove of the ceiling mounting plate through screws; the adjusting rod in the longitudinal track block is in transmission connection with the driving motor b through a gear, and the adjusting rod in the transverse track block is in transmission connection with the driving motor c through a gear; the control switch is screwed on the wall through screws, and the control switch, the driving motor set and the external power supply are electrically connected.
Furthermore, the rotating rod top of the machine body mounting plate is provided with an adjusting fluted disc, the outer diameter of the adjusting fluted disc is larger than that of the rotating rod of the machine body mounting plate, and the adjusting fluted disc is connected with the driving motor a through gear transmission.
Furthermore, the top of the angle adjusting disc is provided with a longitudinal sliding block, two sides of the block body of the longitudinal track block are provided with longitudinal sliding grooves, and the longitudinal sliding block is inserted in the longitudinal sliding grooves.
Furthermore, horizontal sliding blocks are arranged on two sides of the top of the longitudinal rail block, horizontal sliding grooves are arranged on two sides of the top of the ceiling mounting plate, and the horizontal sliding blocks are inserted into the horizontal sliding grooves.
Furthermore, the included angle between the longitudinal track block and the transverse track block is ninety degrees, and the rod body in the middle of the adjusting rod is designed as a threaded rod.
Furthermore, the top of the angle adjusting disc is provided with a longitudinal thread block, the longitudinal thread block is in threaded transmission connection with an adjusting rod inside the longitudinal track block, the top of the longitudinal track block is provided with a transverse thread block, and the transverse thread block is in threaded transmission connection with the adjusting rod inside the transverse track block.
Furthermore, the two ends of the longitudinal sliding groove are designed to be plugged, and one end of the transverse sliding groove is designed to be plugged.
Furthermore, sliding balls are arranged at the bottoms of the longitudinal sliding block, the transverse sliding block and the adjusting fluted disc.
Compared with the prior art, the invention has the following beneficial effects:
when the device is fixed and is used on the ceiling, the projector body rotates and projects left and right, and the projector body moves longitudinally and transversely, so that the projector body can be adapted to be used under the conditions of different environments and demands, the flexibility is high, the use and learning experience of teachers and students is improved, and the practicability of the device is improved.
Firstly, an adjusting fluted disc at the top of a machine body mounting plate of the device can be driven by a driving motor a to rotate, so that the use angle of a bottom projector body is changed, an angle adjusting disc can rotate under the driving of a driving motor b through an internal adjusting rod of a longitudinal rail block, so that a longitudinal thread block of the angle adjusting disc is in thread transmission of the internal adjusting rod of the longitudinal rail block, the angle adjusting disc can longitudinally move in the longitudinal rail block through a longitudinal sliding block, an adjusting rod in the transverse rail block can rotate under the driving of a driving motor c, so that the transverse thread block of the longitudinal rail block is in thread transmission of the internal adjusting rod of the transverse rail block, the longitudinal rail block can transversely move in a transverse sliding groove of the transverse rail block through a transverse sliding block, so that the use angle and the transverse and longitudinal positions of the bottom projector body can be changed to adapt to different projection requirements, the flexibility and the practicability of the device are improved.
Secondly, because the device is installed and is used on the ceiling, so the bottom of vertical slider, horizontal slider and regulation fluted disc all is equipped with the slip ball, has reduced the device frictional force between each position when adjusting, has reduced the friction loss to make the device's angle rotation adjust, horizontal and longitudinal movement more smoothly and stable, improved the adaptability and the stability of the device.
Moreover, the both ends of vertical spout are the shutoff and the one end of horizontal spout is the shutoff design for the vertical spout of the device can restrict the angle adjusting disk at the inside maximum displacement distance of vertical track piece, and horizontal spout can restrict the inside maximum displacement distance of vertical track piece at horizontal track piece, avoids angle adjusting disk and vertical track piece excessive movement to lead to the bottom projecting apparatus body to deviate from the device and fall the damage and injure bottom personnel's phenomenon emergence by a crashing object, but improvement device's stability and security.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a schematic disassembled structure of the present invention.
Fig. 4 is a schematic structural view of the projector body after adjusting the use angle and position thereof according to the present invention.
Fig. 5 is a schematic structural view of the machine body mounting plate, the angle adjusting disc and the driving motor a after being disassembled.
Fig. 6 is a schematic structural view of the longitudinal moving block and the adjusting rod inside the longitudinal moving block after being disassembled.
Fig. 7 is a schematic structural view of the ceiling mounting plate, the lateral moving block, and the adjusting rod inside the lateral moving block after being disassembled.
Fig. 8 is an enlarged schematic view of the portion a of fig. 2 according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a projector body; 2. a machine body mounting plate; 3. an angle adjusting disk; 4. a longitudinal rail block; 5. a ceiling mounting plate; 6. a transverse track block; 7. a drive motor group; 8. a control switch; 201. adjusting a fluted disc; 301. a longitudinal slide block; 302. a longitudinal thread block; 303. a sliding ball; 401. a longitudinal chute; 402. a transverse slide block; 403. a transverse thread block; 501. a transverse chute; 601. adjusting a rod; 701. driving a motor a; 702. a drive motor b; 703. the motor c is driven.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an English learning device provided with a left projection device and a right projection device, which comprises a projector body 1, an angle adjusting disc 3, a longitudinal rail block 4, a transverse rail block 6, a driving motor set 7 and a control switch 8, wherein the angle adjusting disc is arranged on the projector body; the projector body 1 is screwed and fixed on the bottom surface of the machine body mounting plate 2 through screws; the inside of the angle adjusting disc 3 is rotatably connected with a rotating rod at the top of the machine body mounting plate 2; the top of the angle adjusting disc 3 is provided with a longitudinal sliding block 301, two sides of a block body of the longitudinal track block 4 are provided with longitudinal sliding grooves 401, and the longitudinal sliding block 301 is inserted in the longitudinal sliding grooves 401, as shown in fig. 2, fig. 3, fig. 5, fig. 6 and fig. 8, the design enables the longitudinal sliding block 301 to move in the longitudinal sliding grooves 401, so that the longitudinal position of the bottom projector body 1 can be changed, teaching and learning requirements of different conditions can be met, and the flexibility of the device is improved; the longitudinal track block 4 is inserted in the ceiling mounting plate 5; the transverse sliding blocks 402 are arranged on two sides of the top of the longitudinal rail block 4, the transverse sliding grooves 501 are arranged on two sides of the top of the ceiling mounting plate 5, and the transverse sliding blocks 402 are inserted into the transverse sliding grooves 501, as shown in fig. 2, fig. 3, fig. 6, fig. 7 and fig. 8, the transverse sliding blocks 402 can move in the transverse sliding grooves 501 due to the design, so that the transverse position of the bottom projector body 1 is changed, teaching and learning requirements of different conditions can be met, and the flexibility of the device is improved; the included angle between the longitudinal track block 4 and the transverse track block 6 is ninety degrees, and the rod body in the middle of the adjusting rod 601 is designed as a threaded rod, as shown in fig. 1, fig. 2, fig. 3 and fig. 8, the design enables the bottom projector body 1 to stably move longitudinally or transversely when changing the position, and the stability of the device is improved; the ceiling mounting plate 5 is fixed at the bottom of the ceiling through expansion bolts; the transverse track block 6 is fixedly connected to the middle of the bottom surface of the ceiling mounting plate 5; the inner parts of the longitudinal track block 4 and the transverse track block 6 are rotatably connected with adjusting rods 601; the driving motor group 7 consists of a driving motor a701, a driving motor b702 and a driving motor c 703; the driving motor a701 is screwed and fixed in the mounting groove of the angle adjusting disc 3 through a screw; the driving motor b702 is screwed and fixed in the mounting groove of the longitudinal track block 4 through screws; the driving motor c703 is screwed and fixed in the mounting groove of the ceiling mounting plate 5 through a screw; the adjusting rod 601 inside the longitudinal track block 4 is in transmission connection with the driving motor b702 through a gear, and the adjusting rod 601 inside the transverse track block 6 is in transmission connection with the driving motor c703 through a gear; control switch 8 passes through the screw-on the wall, and control switch 8, driving motor group 7 and external power source electric connection, and its concrete structure and theory of operation are current mature technology, do not describe here reluctantly.
Wherein, organism mounting panel 2's bull stick top is equipped with regulation fluted disc 201, and the external diameter of adjusting fluted disc 201 is greater than the external diameter of organism mounting panel 2 bull stick, it is connected through gear drive with driving motor a701 to adjust fluted disc 201, as figure 2, figure 3, figure 5 and figure 8 show, this design makes and adjusts fluted disc 201 can be driven by driving motor a701 and rotates, thereby change bottom projector body 1's use angle, can throw about carrying out and use, can adapt to different situation's teaching and study demand, the flexibility of the device has been improved.
Wherein, the top of the angle adjusting disk 3 is provided with a longitudinal thread block 302, the longitudinal thread block 302 is in thread transmission connection with an adjusting rod 601 inside a longitudinal track block 4, the top of the longitudinal track block 4 is provided with a transverse thread block 403, and the transverse thread block 403 is in thread transmission connection with an adjusting rod 601 inside a transverse track block 6, as shown in fig. 2, fig. 3, fig. 5, fig. 6, fig. 7 and fig. 8, the design enables the adjusting rod 601 inside the longitudinal track block 4 to rotate under the driving of a driving motor b702, so that the longitudinal thread block 302 of the angle adjusting disk 3 is in thread transmission with the adjusting rod 601 inside the longitudinal track block 4, the angle adjusting disk 3 can longitudinally move inside the longitudinal track block 4 through a longitudinal slide block 301, the adjusting rod 601 inside the transverse track block 6 can rotate under the driving of a driving motor c703, so that the transverse thread block 403 of the longitudinal track block 4 is in thread transmission with the adjusting rod 601 inside the transverse track block 6, the longitudinal rail block 4 can move transversely inside the transverse sliding groove 501 of the transverse rail block 6 through the transverse sliding block 402, so that the transverse position and the longitudinal position of the bottom projector body 1 can be changed to adapt to different projection requirements, and the flexibility and the practicability of the device are improved.
Wherein, the both ends of vertical spout 401 are the shutoff design, the one end of horizontal spout 501 is the shutoff design, as shown in fig. 3, fig. 4, fig. 6 and fig. 7, make the device's vertical spout 401 can restrict the maximum displacement distance of angle adjusting disk 3 in vertical track piece 4 inside, horizontal spout 501 can restrict vertical track piece 4 at the maximum displacement distance of horizontal track piece 6 inside, avoid angle adjusting disk 3 and vertical track piece 4 excessive movement to lead to bottom projecting apparatus body 1 to deviate from the device and fall the phenomenon emergence of damaging and smashing bottom personnel, improve stability and the security that can the device.
The sliding balls 303 are arranged at the bottoms of the longitudinal sliding block 301, the transverse sliding block 402 and the adjusting fluted disc 201, as shown in fig. 2, fig. 3, fig. 5, fig. 6 and fig. 8, because the device is installed on a ceiling for use, the friction force among all parts of the device during adjustment can be reduced by the longitudinal sliding block 301, the transverse sliding block 402 and the sliding balls 303 at the bottom of the adjusting fluted disc 201, and the friction loss is reduced, so that the angle rotation adjustment, the transverse movement and the longitudinal movement of the device are smoother and more stable, and the adaptability and the stability of the device are improved.
The specific use mode and function of the embodiment are as follows:
in the invention, the projector body 1 can be used as usual by installing the ceiling mounting plate 5 of the device on the ceiling through bolts, when the projection angle of the projector body 1 needs to be changed, the driving motor a701 is controlled to rotate through the control switch 8, the adjusting fluted disc 201 at the top of the machine body mounting plate 2 can be driven by the driving motor a701 to rotate, so that the use angle of the projector body 1 at the bottom can be changed, left and right projection can be carried out for use, teaching and learning requirements of different conditions can be met, when the projection position of the projector body 1 needs to be changed, the driving motor b702 or the driving motor c703 is controlled to rotate through the control switch 8, wherein when the driving motor b702 rotates, the adjusting rod 601 inside the longitudinal track block 4 rotates under the driving of the driving motor b702, so that the longitudinal thread block 302 of the angle adjusting disc 3 is driven by the adjusting rod 601 inside the longitudinal track block 4, the angle adjusting disk 3 can longitudinally move in the longitudinal rail block 4 through the longitudinal sliding block 301 to change the longitudinal position of the bottom projector body 1, when the driving motor c703 rotates, the adjusting rod 601 in the transverse rail block 6 can be driven by the driving motor c703 to rotate, so that the transverse thread block 403 of the longitudinal rail block 4 is in thread transmission of the adjusting rod 601 in the transverse rail block 6, the longitudinal rail block 4 can transversely move in the transverse sliding groove 501 of the transverse rail block 6 through the transverse sliding block 402, thereby changing the transverse position and the longitudinal position of the bottom projector body 1 to adapt to different projection requirements, adapting to teaching and learning requirements of different conditions, and because the device is installed on a ceiling for use, the sliding balls 303 at the bottoms of the longitudinal sliding block 301, the transverse sliding block 402 and the adjusting fluted disc 201 can reduce the friction force among all parts of the device during adjustment, reduced the friction loss, thereby make the device's angular rotation adjust, horizontal and longitudinal movement are more smooth and easy and stable, vertical spout 401 can restrict the maximum displacement distance of angle adjusting disk 3 in vertical track piece 4 inside, horizontal spout 501 can restrict the maximum displacement distance of vertical track piece 4 in horizontal track piece 6 inside, avoid angle adjusting disk 3 and vertical track piece 4 excessive movement to lead to bottom projecting apparatus body 1 to deviate from the device and fall to damage and injure bottom personnel's phenomenon and take place by a crashing object, make the use that the device can be stable.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides an english learning device who controls can projection arrangement which characterized in that: the projector comprises a projector body (1), an angle adjusting disc (3), a longitudinal track block (4), a transverse track block (6), a driving motor set (7) and a control switch (8); the projector body (1) is screwed and fixed on the bottom surface of the machine body mounting plate (2) through screws; the inside of the angle adjusting disc (3) is rotatably connected with a rotating rod at the top of the organism mounting plate (2); the longitudinal track block (4) is inserted into the ceiling mounting plate (5); the ceiling mounting plate (5) is fixed at the bottom of the ceiling through expansion bolts; the transverse track block (6) is fixedly connected to the middle of the bottom surface of the ceiling mounting plate (5); the inner parts of the longitudinal track block (4) and the transverse track block (6) are rotatably connected with adjusting rods (601); the driving motor set (7) consists of a driving motor a (701), a driving motor b (702) and a driving motor c (703); the driving motor a (701) is screwed and fixed in the mounting groove of the angle adjusting disc (3) through a screw; the driving motor b (702) is screwed and fixed in the mounting groove of the longitudinal track block (4) through a screw; the driving motor c (703) is screwed and fixed in the mounting groove of the ceiling mounting plate (5) through screws; the adjusting rod (601) inside the longitudinal track block (4) is in transmission connection with the driving motor b (702) through a gear, and the adjusting rod (601) inside the transverse track block (6) is in transmission connection with the driving motor c (703) through a gear; the control switch (8) is screwed on the wall through screws, and the control switch (8), the driving motor set (7) and the external power supply are electrically connected.
2. The english learning device equipped with the left and right projectable means as claimed in claim 1, wherein: the bull stick top of organism mounting panel (2) is equipped with adjusts fluted disc (201), and the external diameter of adjusting fluted disc (201) is greater than the external diameter of organism mounting panel (2) bull stick, adjust fluted disc (201) and be connected through gear drive with driving motor a (701).
3. The english learning device equipped with the left and right projectable means as claimed in claim 1, wherein: the top of the angle adjusting disc (3) is provided with a longitudinal sliding block (301), two sides of a block body of the longitudinal track block (4) are provided with longitudinal sliding grooves (401), and the longitudinal sliding block (301) is inserted in the longitudinal sliding grooves (401).
4. The english learning device equipped with the left and right projectable means as claimed in claim 1, wherein: the ceiling structure is characterized in that transverse sliding blocks (402) are arranged on two sides of the top of the longitudinal rail block (4), transverse sliding grooves (501) are arranged on two sides of the top of the ceiling mounting plate (5), and the transverse sliding blocks (402) are inserted into the transverse sliding grooves (501).
5. The english learning device equipped with the left and right projectable means as claimed in claim 1, wherein: the included angle between the longitudinal track block (4) and the transverse track block (6) is ninety degrees, and the rod body in the middle of the adjusting rod (601) is designed as a threaded rod.
6. The english learning device equipped with the left and right projectable means as claimed in claim 1, wherein: the top of the angle adjusting disc (3) is provided with a longitudinal thread block (302), the longitudinal thread block (302) is in threaded transmission connection with an adjusting rod (601) inside a longitudinal track block (4), the top of the longitudinal track block (4) is provided with a transverse thread block (403), and the transverse thread block (403) is in threaded transmission connection with the adjusting rod (601) inside a transverse track block (6).
7. The english learning device equipped with the left and right projectable means as claimed in claim 3, wherein: the two ends of the longitudinal sliding groove (401) are designed to be blocked, and one end of the transverse sliding groove (501) is designed to be blocked.
8. The english learning device equipped with the left and right projectable means as claimed in claim 3, wherein: and sliding balls (303) are arranged at the bottoms of the longitudinal sliding block (301), the transverse sliding block (402) and the adjusting fluted disc (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010644270.1A CN111649218A (en) | 2020-07-07 | 2020-07-07 | English learning device with left and right projection devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901932A (en) * | 2021-01-18 | 2021-06-04 | 盐城师范学院 | Intelligent projection frame for office |
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Application publication date: 20200911 |