CN210890750U - Liftable formula projection equipment is used in chinese teaching - Google Patents
Liftable formula projection equipment is used in chinese teaching Download PDFInfo
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- CN210890750U CN210890750U CN201922074236.0U CN201922074236U CN210890750U CN 210890750 U CN210890750 U CN 210890750U CN 201922074236 U CN201922074236 U CN 201922074236U CN 210890750 U CN210890750 U CN 210890750U
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Abstract
The utility model discloses a liftable formula projection equipment is used in chinese teaching, including top dish and fixing base, the bottom periphery of top dish is provided with the screw, and is provided with belt drive structure in the bottom left side of top dish, belt drive structure bottom left side is provided with the motor, the bottom of transfer line is connected with the fixed plate, the transmission seat right-hand member is provided with the push rod, and the push rod lower extreme is connected with flexible connecting rod lower extreme, be connected through fixing bolt and flexible connecting rod's bottom in the middle of the fixing base bottom, and both ends all are connected with the connecting plate top around the fixing base bottom, both ends all are provided with the adjusting knob around the connecting plate, and the connecting plate runs through the connecting plate respectively around both sides lower extreme be connected with the projecting apparatus body. The utility model discloses, the elevation structure through transfer line, transmission seat, push rod and constitution is convenient for adjust the place height of projecting apparatus body fast, is convenient for adjust the inclination of projecting apparatus body simultaneously.
Description
Technical Field
The utility model relates to a relevant technical field of chinese teaching specifically is a liftable formula projection equipment is used in chinese teaching.
Background
The projector is also called as a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places at present, has different types such as CRT, LCD, DLP and the like according to different working modes, and is very commonly applied to Chinese teaching.
And the suspension type projector that uses at present fixed mode is simple, is not convenient for carry out height control according to the demand fast, consequently has inconveniently when using.
Therefore, the liftable projection equipment for Chinese teaching is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liftable formula projection equipment is used in chinese teaching, the elevation structure through transfer line, driving seat, push rod and constitution is convenient for adjust the place height of projecting apparatus body fast, is convenient for adjust the inclination of projecting apparatus body simultaneously to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a lifting projection device for Chinese teaching comprises a top plate and a fixed seat, wherein the fixed seat is arranged in the middle of the bottom of the top plate;
the transmission mechanism comprises a top disc, a belt transmission structure, a motor shaft, a transmission rod, a push rod and a telescopic connecting rod, wherein screws are arranged on the periphery of the bottom of the top disc, the left side of the bottom of the top disc is provided with the belt transmission structure, the left side of the bottom of the belt transmission structure is provided with the motor, the motor is rotatably connected with the motor shaft, the motor shaft is connected with the left end of the belt transmission structure, the right end of the bottom of the belt transmission structure is connected with the transmission rod, the bottom of the transmission rod is connected with a fixed plate, the upper end of the left side of the fixed plate is connected with the outer wall of the bottom of;
the middle of the bottom of the fixing seat is connected with the bottom of the telescopic connecting rod through a fixing bolt, the front end and the rear end of the bottom of the fixing seat are connected with the top of the connecting plate, adjusting buttons are arranged at the front end and the rear end of the connecting plate, and the connecting plate penetrates through the lower ends of the front side and the rear side of the connecting plate respectively and is connected with the projector body.
The projector is provided with a telescopic connecting rod, a belt transmission structure, a motor, a transmission rod, a fixed plate, a sliding rod, a transmission seat and a push rod, wherein the motor is matched with the belt transmission structure to drive the transmission rod to rotate so as to drive the transmission seat to move downwards along the transmission rod, and simultaneously the transmission seat is ensured to be stable when moving through the sliding rod, and then the transmission seat drives the lower end of the telescopic connecting rod to move up and down through the push rod so as to realize the control of the height of the projector body, thereby improving the use convenience, the projector is provided with a connecting plate and an adjusting button, the projector body is convenient to fix through the matching of the connecting plate and the adjusting button, and the pitching angle of the projector body is convenient to adjust through rotating the adjusting button, so that the use convenience is further improved, the fixed seat, the fixing bolt and the connecting plate are arranged, the whole structure of the projector is simple, the practicability is improved when the device is used.
Preferably, the central axis of the top plate and the central axis of the telescopic connecting rod are on the same vertical straight line, and the telescopic connecting rod, the fixed seat, the connecting plate and the projector body form a telescopic structure.
The device is convenient to integrally fix on a ceiling in a specified place through the top plate matched with the screw, the telescopic structure is convenient to drive the projector body to adjust the position in the vertical direction, and the use convenience is improved when the device is used.
Preferably, the connection mode of the transmission rod and the transmission seat is threaded connection, and the connection position of the transmission seat and the transmission rod is of a bearing type structure.
Through the inside bearing formula structure of threaded connection's mode cooperation driving seat, be convenient for drive the driving seat through the rotation of transfer line and reciprocate along the transfer line, when using the device, improved the practicality.
Preferably, the transmission seat is connected with the sliding rod in a sliding manner, and the sliding rod, the push rod and the telescopic connecting rod form a lifting structure.
The transmission seat is kept stable when moving along with the rotation of the transmission rod through the sliding rod, the transmission seat is ensured not to rotate along with the transmission rod, and the practicability is improved when the device is used.
Preferably, the axis of fixing base and fixing bolt's axis are on same vertical straight line, and fixing bolt's axis and telescopic connecting rod's axis are on same vertical straight line, and fixing bolt and telescopic connecting rod's connected mode is threaded connection simultaneously.
Through split type connection structure, when using the device, improved the whole convenience when carrying out the dismouting of device.
Preferably, the central axis of the fixing seat and the central axis of the connecting plate are on the same vertical straight line, and the top of the connecting plate is in an H-shaped structure.
Be convenient for coordinate the adjusting knob through the connecting plate and fix the projecting apparatus body, and the "H" shape structure at connecting plate top ensures that when the angle modulation of pitching of projecting apparatus body was too big, the top of connecting plate can not form the hindrance to the projecting apparatus body, when using the device, has improved the practicality.
Preferably, the connection mode of the connecting plate and the adjusting button is threaded connection, and the connection mode of the adjusting button and the projector body is threaded connection.
The pitching angle of the projector body can be adjusted conveniently by rotating the adjusting button, and the use convenience is improved when the device is used.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, be provided with flexible connecting rod, belt drive structure, motor, transfer line, fixed plate, slide bar, transmission seat and push rod, cooperate belt drive structure through the motor to drive the drive transfer line and rotate, and then drive the transmission seat and move down along the transfer line, ensure through the slide bar that the transmission seat keeps stable when moving simultaneously, the transmission seat drives the lower extreme of flexible connecting rod through the push rod and reciprocates afterwards to this realizes controlling the place height of projecting apparatus body, has improved the use convenience;
2. the utility model discloses, be provided with connecting plate and adjusting knob, be convenient for fix the projecting apparatus body through connecting plate cooperation adjusting knob, be convenient for adjust the angle of pitching of projecting apparatus body through rotating the adjusting knob simultaneously, further improved the use convenience;
3. the utility model discloses, be provided with fixing base, fixing bolt and connecting plate, device overall structure is simple, and split type connected mode can carry out the dismouting to the device in order and swiftly, has improved the practicality when using.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the fixing base and the connecting plate of the present invention;
fig. 4 is a schematic top view of the top plate of the present invention.
In the figure: 1. a top tray; 2. a screw; 3. a telescopic connecting rod; 4. a belt drive structure; 5. a motor; 6. a motor shaft; 7. a transmission rod; 8. a fixing plate; 9. a slide bar; 10. a transmission seat; 11. a push rod; 12. a fixed seat; 13. fixing the bolt; 14. a connecting plate; 15. an adjusting knob; 16. the projector body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a lifting projection device for Chinese teaching, as shown in fig. 1 and 2, comprising a top plate 1 and a fixed seat 12, wherein the fixed seat 12 is arranged in the middle of the bottom of the top plate 1;
as shown in fig. 1 and 2, a screw 2 is arranged on the periphery of the bottom of a top disc 1, a belt transmission structure 4 is arranged on the left side of the bottom of the top disc 1, a motor 5 is arranged on the left side of the bottom of the belt transmission structure 4, the motor 5 is rotatably connected with a motor shaft 6, the motor shaft 6 is connected with the left end of the belt transmission structure 4, the right end of the bottom of the belt transmission structure 4 is connected with a transmission rod 7, the bottom of the transmission rod 7 is connected with a fixed plate 8, the upper end of the left side of the fixed plate 8 is connected with the outer wall of the bottom of the belt transmission structure 4 through a sliding rod 9, the transmission rod 7 is connected with a transmission seat 10, the left side of the transmission seat 10 is connected with the sliding;
as shown in fig. 1 and 2, the middle of the bottom of the fixing seat 12 is connected with the bottom of the telescopic connecting rod 3 through a fixing bolt 13, the front end and the rear end of the bottom of the fixing seat 12 are connected with the top of a connecting plate 14, the front end and the rear end of the connecting plate 14 are provided with adjusting buttons 15, and the connecting plate 14 penetrates through the lower ends of the front side and the rear side of the connecting plate 14 respectively and is connected with a projector body 16.
By adopting the scheme, the projector is provided with the telescopic connecting rod 3, the belt transmission structure 4, the motor 5, the transmission rod 7, the fixing plate 8, the sliding rod 9, the transmission seat 10 and the push rod 11, the motor 5 is matched with the belt transmission structure 4 to drive the transmission rod 7 to rotate, the transmission seat 10 is further driven to move downwards along the transmission rod 7, the transmission seat 10 is ensured to be stable when moving through the sliding rod 9, then the transmission seat 10 drives the lower end of the telescopic connecting rod 3 to move up and down through the push rod 11, so that the height of the projector body 16 is controlled, the use convenience is improved, the connecting plate 14 and the adjusting button 15 are arranged, the projector body 16 is conveniently fixed through the connecting plate 14 and the adjusting button 15, the pitching angle of the projector body 16 is conveniently adjusted through rotating the adjusting button 15, and the use convenience is further improved, be provided with fixing base 12, fixing bolt 13 and connecting plate 14, device overall structure is simple, and split type connected mode can be in order and swiftly carry out the dismouting to the device, has improved the practicality when using.
Specifically, as shown in fig. 1, fig. 2 and fig. 4, the central axis of the top plate 1 and the central axis of the telescopic connecting rod 3 are on the same vertical straight line, and the telescopic connecting rod 3, the fixed seat 12, the connecting plate 14 and the projector body 16 form a telescopic structure.
Through adopting above-mentioned scheme, be convenient for fix the device whole on the ceiling in appointed place through top dish 1 cooperation screw 2, and extending structure is convenient for drive projecting apparatus body 16 and carries out position control in vertical direction, when using the device, has improved the use convenience.
Specifically, as shown in fig. 1, the transmission rod 7 is connected to the transmission seat 10 by a screw, and the connection position between the transmission seat 10 and the transmission rod 7 is a bearing structure.
Through adopting above-mentioned scheme, through threaded connection's mode cooperation transmission seat 10 inside bearing formula structure, be convenient for drive transmission seat 10 along transfer line 7 through the rotation of transfer line 7 and reciprocate, when using the device, improved the practicality.
Specifically, as shown in fig. 1, the transmission seat 10 is connected to the sliding rod 9 in a sliding manner, and the sliding rod 9, the push rod 11 and the telescopic link 3 form a lifting structure.
By adopting the scheme, the transmission seat 10 is kept stable when moving along with the rotation of the transmission rod 7 through the sliding rod 9, the transmission seat 10 is ensured not to rotate along with the transmission rod 7, and the practicability is improved when the device is used.
Specifically, as shown in fig. 1, fig. 2 and fig. 3, the central axis of the fixing seat 12 and the central axis of the fixing bolt 13 are on the same vertical straight line, the central axis of the fixing bolt 13 and the central axis of the telescopic connecting rod 3 are on the same vertical straight line, and the fixing bolt 13 and the telescopic connecting rod 3 are connected by a thread.
By adopting the scheme, through the split type connecting structure, when the device is used, the convenience of the whole device in disassembly and assembly is improved.
Specifically, as shown in fig. 1, 2 and 3, the central axis of the fixing seat 12 and the central axis of the connecting plate 14 are on the same vertical straight line, and the top of the connecting plate 14 is in an "H" shape.
Through adopting above-mentioned scheme, be convenient for coordinate adjusting knob 15 through connecting plate 14 and fix projecting apparatus body 16, and the "H" shape structure at connecting plate 14 top ensures that when projecting apparatus body 16 pitch angle modulation is too big, the top of connecting plate 14 can not form the hindrance to projecting apparatus body 16, when using the device, has improved the practicality.
Specifically, as shown in fig. 1 and 2, the connection plate 14 and the adjustment knob 15 are connected by a screw, and the adjustment knob 15 and the projector main body 16 are connected by a screw.
Through adopting above-mentioned scheme, be convenient for adjust the angle of pitching of projecting apparatus body 16 through rotating adjusting knob 15, when using the device, improved the use convenience.
The working principle is as follows: when the height of the projector body 16 needs to be lowered, an external power supply is switched on, the motor 5 is started, the motor shaft 6 is matched with the belt transmission structure 4 to drive the transmission rod 7 to start rotating, the transmission rod 7 drives the bearing structure in the transmission seat 10 to start rotating, and further drives the transmission seat 10 to start moving downwards, the transmission seat 10 synchronously slides along the sliding rod 9 in the moving process, and the push rod 11 is matched to push the lower end of the telescopic connecting rod 3 to start extending downwards, so that the height of the projector body 16 starts to descend, when the pitching angle of the projector body 16 needs to be adjusted, after the connecting plate 14 is loosened from the connection of the projector body 16 by clockwise rotating the adjusting button 15, the projector body 16 is adjusted to a proper angle, the projector body 16 is fixed again by the anticlockwise adjusting button 15, and the projector body 16 is horizontally rotated, can cooperate the angle of fixing base 12 and 13 quick adjustment projecting apparatus bodies of fixing bolt 16 on the horizontal direction through connecting plate 14, wherein the model of motor 5 is: YE2-132S-4, the electrical property technique that the utility model relates to is prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a liftable formula projection equipment is used in chinese teaching which characterized in that: the device comprises a top disc (1) and a fixed seat (12), wherein the fixed seat (12) is arranged in the middle of the bottom of the top disc (1);
the periphery of the bottom of the top plate (1) is provided with a screw (2), the left side of the bottom of the top plate (1) is provided with a belt transmission structure (4), the left side of the bottom of the belt transmission structure (4) is provided with a motor (5), and the motor (5) is rotationally connected with a motor shaft (6), the motor shaft (6) is connected with the left end of the belt transmission structure (4), the right end of the bottom of the belt transmission structure (4) is connected with a transmission rod (7), the bottom of the transmission rod (7) is connected with a fixed plate (8), the upper end of the left side of the fixed plate (8) is connected with the outer wall of the bottom of the belt transmission structure (4) through a sliding rod (9), the transmission rod (7) is connected with a transmission seat (10), the left side of the transmission seat (10) is connected with the sliding rod (9), a push rod (11) is arranged at the right end of the transmission seat (10), and the lower end of the push rod (11) is connected with the lower end of the telescopic connecting rod (3);
the middle of the bottom of the fixed seat (12) is connected with the bottom of the telescopic connecting rod (3) through a fixing bolt (13), the front end and the rear end of the bottom of the fixed seat (12) are connected with the top of the connecting plate (14), the front end and the rear end of the connecting plate (14) are provided with adjusting buttons (15), and the connecting plate (14) penetrates through the lower ends of the front side and the rear side of the connecting plate (14) respectively to be connected with the projector body (16).
2. The liftable projection device for Chinese teaching according to claim 1, wherein: the central axis of the top plate (1) and the central axis of the telescopic connecting rod (3) are on the same vertical straight line, and the telescopic connecting rod (3), the fixing seat (12), the connecting plate (14) and the projector body (16) form a telescopic structure.
3. The liftable projection device for Chinese teaching according to claim 1, wherein: the transmission rod (7) is connected with the transmission seat (10) in a threaded manner, and the connection position of the transmission seat (10) and the transmission rod (7) is of a bearing type structure.
4. The liftable projection device for Chinese teaching according to claim 1, wherein: the transmission seat (10) is connected with the sliding rod (9) in a sliding mode, and the sliding rod (9), the push rod (11) and the telescopic connecting rod (3) form a lifting structure.
5. The liftable projection device for Chinese teaching according to claim 1, wherein: the central axis of the fixing seat (12) and the central axis of the fixing bolt (13) are on the same vertical straight line, the central axis of the fixing bolt (13) and the central axis of the telescopic connecting rod (3) are on the same vertical straight line, and meanwhile the fixing bolt (13) is in threaded connection with the telescopic connecting rod (3).
6. The liftable projection device for Chinese teaching according to claim 1, wherein: the central axis of the fixed seat (12) and the central axis of the connecting plate (14) are on the same vertical straight line, and the top of the connecting plate (14) is in an H-shaped structure.
7. The liftable projection device for Chinese teaching according to claim 1, wherein: the connecting plate (14) is in threaded connection with the adjusting button (15), and the adjusting button (15) is in threaded connection with the projector body (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074236.0U CN210890750U (en) | 2019-11-27 | 2019-11-27 | Liftable formula projection equipment is used in chinese teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922074236.0U CN210890750U (en) | 2019-11-27 | 2019-11-27 | Liftable formula projection equipment is used in chinese teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210890750U true CN210890750U (en) | 2020-06-30 |
Family
ID=71324590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922074236.0U Expired - Fee Related CN210890750U (en) | 2019-11-27 | 2019-11-27 | Liftable formula projection equipment is used in chinese teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210890750U (en) |
-
2019
- 2019-11-27 CN CN201922074236.0U patent/CN210890750U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20201127 |