CN215006229U - Teaching video projector with position moving function - Google Patents
Teaching video projector with position moving function Download PDFInfo
- Publication number
- CN215006229U CN215006229U CN202121124916.XU CN202121124916U CN215006229U CN 215006229 U CN215006229 U CN 215006229U CN 202121124916 U CN202121124916 U CN 202121124916U CN 215006229 U CN215006229 U CN 215006229U
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- China
- Prior art keywords
- box body
- rack
- fixedly connected
- teaching video
- side wall
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Abstract
The utility model discloses a teaching video projecting apparatus with position removes function relates to projecting apparatus technical field. The technical key points are as follows: including the box body, the box body bottom is equipped with the support leveling subassembly, box body one side opening sets up, the box body opposite side is equipped with the projection mouth, the box body is close to the lateral wall cavity setting of projection mouth, sliding connection has the rack in the lateral wall, the rack internal gearing has the gear, the gear rotates with the box body to be connected, rack one end runs through box body lateral wall one side fixedly connected with protection shield, sliding connection between protection shield and the box body lateral wall, the inserting groove has been seted up at the protection shield top, the box body top is equipped with a plurality of grafting subassemblies, the first spring of fixedly connected with between rack and the box body inside wall, the flexible direction of first spring is the same with rack slip direction, gear side terminal surface fixedly connected with knob, the knob runs through the box body and arranges the box body outside in. The utility model has the advantages of protection teaching video projector camera lens can not be by dust pollution.
Description
Technical Field
The utility model relates to a projecting apparatus technical field specifically is a teaching video projecting apparatus with position removes function.
Background
The teaching meeting type projector is generally positioned in schools and enterprises, adopts mainstream resolution, is moderate in weight, good in heat dissipation and dust prevention, suitable for installation and short-distance movement, rich in functional interfaces, easy to maintain and relatively high in cost performance, but has certain movement defects, and is inconvenient for teaching workers to adjust, so that the structure improvement of the projector moving for teaching is needed. Projecting apparatus in the market in use does not have certain protection facility between the external equipment, and the installation need be adjusted to equipment to the in-process of removal, and teaching video projecting apparatus after the removal does not have certain fixed equipment, and teaching video projecting apparatus after the use easily adheres to the dust, influences teaching video projecting apparatus's input mirror, and teaching video projecting apparatus easily appears the fuzzy problem of projection.
The above prior art solution has the following drawbacks: dust easily adheres to teaching video projector, and teaching video projector easily appears the fuzzy problem of projection.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a teaching video projector with position removes function, it has the advantage that protection teaching video projector camera lens can not be polluted by the dust.
The above object of the present invention can be achieved by the following technical solutions:
a teaching video projector with a position moving function comprises a box body, wherein a supporting and leveling component is arranged at the bottom of the box body, one side of the box body is provided with an opening, the other side of the box body is provided with a projection opening, the side wall of the box body, which is close to the projection opening, is hollow, a rack is slidably connected with the side wall, a gear is meshed with the rack, the gear is rotatably connected with the box body, one end of the rack penetrates through one side of the side wall of the box body and is fixedly connected with a protective plate, the protective plate is slidably connected with the side wall of the box body, the top of the protective plate is provided with an inserting groove, the top of the box body is provided with a plurality of inserting components, a first spring is fixedly connected between the rack and the inner side wall of the box body, the expansion direction of the first spring is the same as the sliding direction of the rack, and the end face of one side of the gear is fixedly connected with a knob, the knob penetrates through the box body and is arranged on the outer side of the box body.
By adopting the technical scheme, the projector can be conveniently taken out of the box body through the arranged opening, and the projector can be conveniently maintained or replaced; the projection port is arranged, so that the projection end of the projector can be projected in the box body conveniently; the rack is arranged, so that the rack cannot incline when sliding in the box body, and is more stably connected with the protection plate; the gear is arranged, so that the rack is driven to slide in the side wall of the box body conveniently, and the position relation between the protection plate and the projection opening can be controlled through the gear; the knob is arranged, so that the gear can be conveniently controlled to rotate; the supporting leveling component is arranged, so that the box body can be leveled conveniently, and the box body can work in a horizontal position; the arranged plurality of plug-in components are convenient for fixing the protection board at different positions on the box body by using the plug-in grooves on the protection board.
The present invention may be further configured in a preferred embodiment as: the inserting assembly comprises an inserting rod, the inserting rod is inserted into the box body and is in sliding connection with the box body, the lower end of the inserting rod penetrates through one side of the box body and is inserted into the inserting groove, the top end of the inserting rod is fixedly connected with a pull ring, a second spring is sleeved on the inserting rod, and two ends of the second spring are fixedly connected with the pull ring and the top of the box body respectively.
By adopting the technical scheme, the arranged insertion rod is convenient for fixing the protection plate at the position of the projection opening of the box body, so that the protection plate can not shield the projection opening when in use, and the protection plate can shield the projection opening to prevent dust from entering the box body when not in use; the arranged pull ring is convenient for driving the insertion rod to take out the insertion rod from the insertion groove on the protection plate; the second spring that sets up is convenient for be in the grafting state with inserted bar and inserting groove, be in the butt state all the time with inserted bar and protection shield top.
The present invention may be further configured in a preferred embodiment as: the supporting and leveling assembly comprises a threaded rod, the threaded rod is perpendicular to the bottom of the box body, the threaded rod is inserted into the box body and is in threaded connection with the box body, an adjusting ring and fixed connection with the adjusting ring are sleeved at the bottom end of the threaded rod, a connecting block is connected to the bottom end of the adjusting ring in a rotating mode, and a U-shaped seat is connected to the connecting block in a rotating mode in the circumferential direction.
By adopting the technical scheme, the threaded rod and the adjusting ring are arranged, so that the threaded rod can conveniently rotate in the box body by rotating the adjusting ring, the threaded rod is in threaded connection with the box body, the threaded rod can conveniently lift in the box body when the adjusting ring is rotated, the aim of adjusting whether the box body is horizontal is fulfilled, and meanwhile, the placing angle of the box body can be adjusted; the connecting block that sets up is convenient for be connected U type seat and adjustable ring, and the connecting block rotates with the adjustable ring to be connected, and when being convenient for rotate the adjustable ring, U type seat can not rotate along with the adjustable ring, and the angle is placed to the box body to the convenience and is adjusted.
The present invention may be further configured in a preferred embodiment as: one side of the opening of the box body is hinged with an cover plate, and one side of the cover plate, far away from the hinged part, is connected with the box body in a clamping manner.
Through adopting above-mentioned technical scheme, the apron that sets up can be injectd the projecting apparatus position, avoids the projecting apparatus roll-off in the box body in the use.
The present invention may be further configured in a preferred embodiment as: the side wall of the box body is provided with a plurality of heat dissipation holes, and the box body is close to the inner side walls of the heat dissipation holes and is fixedly connected with a dust screen.
By adopting the technical scheme, the projector can normally work in the box body conveniently by arranging the heat dissipation holes, and the damage of internal parts of the projector caused by excessive heat generated during the work of the projector is avoided; the design of the dustproof net is convenient for preventing dust outside the box body from entering the box body from the heat dissipation holes.
The present invention may be further configured in a preferred embodiment as: and sealing gaskets are arranged at the joint of the protection plate and the projection port.
By adopting the technical scheme, the sealing gasket is arranged, so that the joint of the protection board and the projection opening of the box body is more tight, and dust can not enter the box body to pollute the lens.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the arranged opening is convenient for taking the projector out of the box body, and the projector is convenient to maintain or replace; the projection port is arranged, so that the projection end of the projector can be projected in the box body conveniently; the rack is arranged, so that the rack cannot incline when sliding in the box body, and is more stably connected with the protection plate; the gear is arranged, so that the rack is driven to slide in the side wall of the box body conveniently, and the position relation between the protection plate and the projection opening can be controlled through the gear; the knob is arranged, so that the gear can be conveniently controlled to rotate; the supporting leveling component is arranged, so that the box body can be leveled conveniently, and the box body can work in a horizontal position; the arranged plurality of plug-in components are convenient for fixing the protection board at different positions on the box body by using the plug-in grooves on the protection board;
2. the arranged insertion rod is convenient for fixing the position of the protection plate at the projection port of the box body, so that the protection plate can not shield the projection port when in use, and the protection plate can shield the projection port to prevent dust from entering the box body when not in use; the arranged pull ring is convenient for driving the insertion rod to take out the insertion rod from the insertion groove on the protection plate; the second spring that sets up is convenient for be in the grafting state with inserted bar and inserting groove, be in the butt state all the time with inserted bar and protection shield top.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is an enlarged view of the structure at B in fig. 2.
Reference numerals: 1. a box body; 2. a cover plate; 3. supporting the leveling component; 31. a threaded rod; 32. an adjusting ring; 33. connecting blocks; 34. a U-shaped supporting seat; 4. a plug-in assembly; 41. a plug rod; 42. a second spring; 43. a pull ring; 5. heat dissipation holes; 6. a projection port; 7. a protection plate; 71. inserting grooves; 8. a knob; 9. a gear; 10. a rack frame; 11. a first spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the teaching video projector with position shifting function disclosed by the present invention comprises a box body 1, wherein a supporting leveling component 3 is arranged at the bottom of the box body 1, and the supporting leveling component 3 is arranged to facilitate leveling the box body 1, so that the box body 1 can work at a horizontal position; the opening is formed in one side of the box body 1, so that the projector can be conveniently taken out of the box body 1, and the projector can be conveniently maintained or replaced; the other side of the box body 1 is provided with a projection port 6, and the projection port 6 is arranged, so that the projection end of the projector can be conveniently projected in the box body 1; the side wall of the box body 1 close to the projection opening 6 is hollow, the rack frame 10 is connected in the side wall in a sliding mode, the rack frame 10 is arranged, the rack frame 10 can conveniently slide in the box body 1 without inclining, and meanwhile, the connection with the protection plate 7 is more stable; a gear 9 is meshed inside the rack 10, the gear 9 is rotationally connected with the box body 1, and the gear 9 is arranged to conveniently drive the rack 10 to slide in the side wall of the box body 1, so that the position relation between the protective plate 7 and the projection opening 6 can be controlled through the gear 9; one end of the rack 10 penetrates through one side of the side wall of the box body 1 and is fixedly connected with a protection plate 7, the protection plate 7 is in sliding connection with the side wall of the box body 1, the top of the protection plate 7 is provided with a plug-in groove 71, the top of the box body 1 is provided with a plurality of plug-in components 4, and the plug-in components 4 are arranged so that the protection plate 7 can be conveniently fixed at different positions on the box body 1 by utilizing the plug-in groove 71 on the protection plate 7; a first spring 11 is fixedly connected between the rack 10 and the inner side wall of the box body 1, the expansion direction of the first spring 11 is the same as the sliding direction of the rack 10, a knob 8 is fixedly connected to the end face of one side of the gear 9, and the arranged knob 8 is convenient for controlling the gear 9 to rotate; the knob 8 penetrates through the box body 1 and is arranged on the outer side of the box body 1.
As shown in fig. 2 and 3, the plug-in component 4 includes a plug-in rod 41, the plug-in rod 41 is inserted into the box body 1 and is slidably connected with the box body 1, the lower end of the plug-in rod 41 penetrates through one side of the box body 1 and is inserted into the plug-in groove 71, the plug-in rod 41 is arranged to fix the position of the protection plate 7 at the projection opening 6 of the box body 1, so that the protection plate 7 does not shield the projection opening 6 when in use, and the protection plate 7 can shield the projection opening 6 when not in use to prevent dust from entering the box body 1; the top end of the insertion rod 41 is fixedly connected with a pull ring 43, and the arranged pull ring 43 is convenient for driving the insertion rod 41 to take the insertion rod 41 out of the insertion groove 71 on the protection plate 7; the cover is equipped with second spring 42 on peg graft pole 41, second spring 42 both ends respectively with pull ring 43, 1 top fixed connection of box body, second spring 42 is in not flexible state when not receiving external force, the second spring 42 of setting, be convenient for be in the grafting state with peg graft pole 41 and inserting groove 71, be in the butt state with peg graft pole 41 and protection shield 7 top all the time.
As shown in fig. 1 and 3, the supporting and leveling assembly 3 includes a threaded rod 31, the threaded rod 31 is perpendicular to the bottom of the box body 1, the threaded rod 31 is inserted on the box body 1 and is in threaded connection with the box body 1, an adjusting ring 32 is sleeved at the bottom end of the threaded rod 31 and is fixedly connected with the box body, the threaded rod 31 and the adjusting ring 32 are arranged, so that the threaded rod 31 can rotate in the box body 1 by rotating the adjusting ring 32, the threaded rod 31 is in threaded connection with the box body 1, when the adjusting ring 32 is rotated, the threaded rod 31 can be lifted in the box body 1, so as to adjust whether the box body 1 is horizontal, and meanwhile, the placing angle of the box body 1 can be adjusted; the bottom of adjusting ring 32 rotates and is connected with connecting block 33, and connecting block 33 week side rotates and is connected with U type seat, and the connecting block 33 of setting is convenient for be connected U type seat and adjusting ring 32, and connecting block 33 rotates with adjusting ring 32 to be connected, is convenient for when rotating adjusting ring 32, and U type seat can not rotate along with adjusting ring 32, conveniently places the angle to box body 1 and adjusts.
As shown in figure 1, 1 opening one side of box body articulates there is apron 2, and apron 2 keeps away from articulated department one side and 1 joint of box body, and the apron 2 that sets up can prescribe a limit to the projecting apparatus position, avoids the projecting apparatus roll-off in box body 1 in the use.
As shown in fig. 1, the side wall of the box body 1 is provided with a plurality of heat dissipation holes 5, and the heat dissipation holes 5 are arranged, so that the projector can work normally in the box body 1, and the damage of internal parts of the projector due to excessive heat generated by the projector during working is avoided; fixedly connected with dust screen on the box body 1 is close to the inside wall of louvre 5, and the dust screen is not shown in the figure, and the design of dust screen is convenient for prevent the outer dust of box body 1 from getting into inside box body 1 from louvre 5.
As shown in fig. 1, the joint of the protection plate 7 and the projection opening 6 is provided with a sealing gasket, the sealing gasket is not shown in the figure, the sealing gasket is a rubber gasket, and the joint of the protection plate 7 and the projection opening 6 of the box body 1 is more tight by arranging the sealing gasket, so that dust cannot enter the box body 1 to pollute the lens.
The implementation principle of the embodiment is as follows: when the device of the utility model is used, the cover plate 2 is opened, the projector is arranged in the box body 1, the projection end of the projector is superposed with the projection port 6, after the cover plate 2 is closed, the box body 1 is placed on a desktop, the adjusting ring 32 is rotated to enable the adjusting ring 32 to drive the threaded rod 31 to lift in the box body 1, the projector in the box body 1 is in a horizontal position, one pull ring 43 on the box body 1 is pulled out, the inserting rod 41 is far away from the inserting groove 71 on the protection plate 7, the knob 8 is rotated to enable the gear 9 to drive the rack frame 10 to slide in the box body 1 until the other inserting rod 41 on the box body 1 is inserted into the inserting groove 71 on the protection plate 7, the lens of the projector can be exposed by the protection plate 7 at the moment, the projection process is convenient to be carried out, after the use, the inserting rod 41 is pulled out of the inserting groove 71 by the pull ring 43, the original position of the protection plate is restored by the original position of the protection plate 7 and the rack frame 10 under the restoring force of the first spring 11, i.e. the protection plate 7 protects the projector lens inside the housing 1 from dust contamination.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a teaching video projector with position removes function, includes box body (1), its characterized in that: the bottom of the box body (1) is provided with a supporting leveling component (3), one side of the box body (1) is provided with an opening, the other side of the box body (1) is provided with a projection opening (6), the box body (1) is close to the side wall of the projection opening (6) and is arranged in a hollow mode, a rack frame (10) is connected in the side wall in a sliding mode, a gear (9) is meshed in the rack frame (10), the gear (9) is rotatably connected with the box body (1), one end of the rack frame (10) penetrates through one side of the side wall of the box body (1) and is fixedly connected with a protection plate (7), the protection plate (7) is connected with the side wall of the box body (1) in a sliding mode, the top of the protection plate (7) is provided with an insertion groove (71), the top of the box body (1) is provided with a plurality of insertion components (4), and a first spring (11) is fixedly connected between the rack frame (10) and the inner side wall of the box body (1), the telescopic direction of the first spring (11) is the same as the sliding direction of the rack (10), a knob (8) is fixedly connected to the end face of one side of the gear (9), and the knob (8) penetrates through the box body (1) and is arranged on the outer side of the box body (1).
2. A teaching video projector with position shifting function according to claim 1, characterized in that: the inserting component (4) comprises an inserting rod (41), the inserting rod (41) is inserted into the box body (1) and is in sliding connection with the box body (1), the lower end of the inserting rod (41) penetrates through one side of the box body (1) and is inserted into the inserting groove (71), a pull ring (43) is fixedly connected to the top end of the inserting rod (41), a second spring (42) is sleeved on the inserting rod (41), and two ends of the second spring (42) are fixedly connected with the pull ring (43) and the top of the box body (1) respectively.
3. A teaching video projector with position shifting function according to claim 1, characterized in that: support leveling subassembly (3) including threaded rod (31), threaded rod (31) perpendicular to box body (1) bottom, threaded rod (31) are inserted and are located on box body (1) and both threaded connection, threaded rod (31) bottom cover is equipped with adjustable ring (32) and both fixed connection, adjustable ring (32) bottom is rotated and is connected with connecting block (33), connecting block (33) week side is rotated and is connected with U type seat.
4. A teaching video projector with position shifting function according to claim 1, characterized in that: box body (1) opening one side articulates there is apron (2), apron (2) keep away from articulated department one side with box body (1) joint.
5. A teaching video projector with position shifting function according to claim 1, characterized in that: the box body (1) is provided with a plurality of heat dissipation holes (5) on the side wall, and the box body (1) is close to a dust screen fixedly connected to the inner side wall of the heat dissipation holes (5).
6. A teaching video projector with position shifting function according to claim 1, characterized in that: and sealing gaskets are arranged at the joint of the protection plate (7) and the projection port (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121124916.XU CN215006229U (en) | 2021-05-25 | 2021-05-25 | Teaching video projector with position moving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121124916.XU CN215006229U (en) | 2021-05-25 | 2021-05-25 | Teaching video projector with position moving function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215006229U true CN215006229U (en) | 2021-12-03 |
Family
ID=79132932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121124916.XU Expired - Fee Related CN215006229U (en) | 2021-05-25 | 2021-05-25 | Teaching video projector with position moving function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215006229U (en) |
-
2021
- 2021-05-25 CN CN202121124916.XU patent/CN215006229U/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 |
Granted publication date: 20211203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |