CN212809479U - Projecting device for volunteer filling training - Google Patents
Projecting device for volunteer filling training Download PDFInfo
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- CN212809479U CN212809479U CN202021889333.1U CN202021889333U CN212809479U CN 212809479 U CN212809479 U CN 212809479U CN 202021889333 U CN202021889333 U CN 202021889333U CN 212809479 U CN212809479 U CN 212809479U
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Abstract
The utility model discloses a projecting apparatus is used in training is filled out to volunteer, including guard box and projecting apparatus body, the inner wall of guard box rotates and is connected with the bull stick. The utility model has the advantages that: make the bull stick rotatory under the effect of first worm wheel through rotating first worm, top projector body jack-up with the seat that goes up and down under the effect of connecting rod and ejector pin, first worm pivoted in-process, driving screw rotates together under the effect of two runners and drive belt, screw pivoted in-process makes the adjustable fender on the screw rod shrink to adjusting the intracavity by the inside of logical groove, thereby open logical groove, make the projector body stretch out the inside of protecting box and use, first worm of antiport when the projector body need not use, the inside adjustable fender that makes the projector body withdraw the protecting box closes logical groove, thereby prevent that the projector body from exposing the inside that the outer dust fell into the projector body for a long time, influence the normal use of projector body.
Description
Technical Field
The utility model relates to a training education technique, especially a projecting apparatus is used in volunteer filled-in training.
Background
College entrance examination is a short for national unified examination of ordinary college enrollment, and is a unique fair way for college dreams to be realized by Chinese scholars, and volunteering is one of the extremely key links, and if the volunteering is unreasonable, scores are higher than the admission line of the college, so that score waste is caused; or the score is lower than the admission line of the colleges and universities, resulting in a leaderboard.
When carrying out college entrance examination aspiration filling training to student and head of a family, need use projection equipment, current projection arrangement is fixed mostly, and is inconvenient to carry, and projection equipment receives the dust influence easily when not using, influences its life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a projecting apparatus is used in volunteer's training.
The purpose of the utility model is realized through the following technical scheme: a projecting device for volunteer filling training comprises a protective box and a projector body, wherein the inner wall of the protective box is rotatably connected with a rotating rod, the rotating rod is fixedly connected with a first worm wheel and a connecting rod, one end of the connecting rod, far away from the first worm wheel, is hinged with an ejector rod through a pin shaft, the protective box is internally provided with a lifting seat, the bottom of the lifting seat is fixedly connected with a pin shaft seat, one end of the ejector rod, far away from the connecting rod, is hinged with the pin shaft seat through a pin shaft, the top of the lifting seat is fixedly connected with two fixed plates, two side surfaces of the projector body are both fixedly connected with rotating rods, the projector body is rotatably connected between the two fixed plates through the two rotating rods, the inner side wall of the protective box is rotatably connected with a first worm, the first worm is meshed with the first worm wheel, the top of the protective box is provided with, the adjustable baffle penetrates through the inner side wall of the adjusting cavity and extends to the inside of the through groove, rotating wheels are fixedly connected to the screw rod and the first worm, and the two rotating wheels are connected through a transmission belt in a transmission mode.
The further technical scheme is that the first worm penetrates through the inner side wall of the protective box and extends to one side face of the protective box, and a hand wheel is fixedly connected to one end, arranged outside the protective box, of the first worm.
The technical scheme is that the adjusting box is fixedly connected to one side face of the fixing plate, a rotating rod penetrates through one side face of the fixing plate and one side face of the adjusting box in sequence and extends to the inside of the adjusting box, a second worm wheel is fixedly connected to the rotating rod, a second worm is rotatably connected to the inner side wall of the adjusting box, and the second worm is meshed with the second worm wheel.
The technical scheme is that the second worm penetrates through the inner side wall of the adjusting box and extends to the front face of the adjusting box, and one end of the second worm is fixedly connected with a hand wheel.
A further technical scheme is that the bottom of the protective box is fixedly connected with four movable wheels, and the four movable wheels are distributed at four corners of the bottom of the protective box.
A further technical scheme is that a group of fixing blocks is fixedly connected to the protection box, and a pushing handle is fixedly connected between the two fixing blocks.
The utility model has the advantages of it is following: the utility model discloses a rotate first worm and make the bull stick rotate under the effect of first worm wheel, top projector body jack-up with the seat that goes up and down under the effect of connecting rod and ejector pin, first worm pivoted in-process, driving screw rotates together under the effect of two runners and drive belt, screw rod pivoted in-process makes the adjustable fender on the screw rod shrink to adjusting the intracavity by the inside in logical groove, thereby open logical groove, make the projector body stretch out the inside of protecting box and use, the first worm of reverse rotation when the projector body need not use, the inside adjustable fender that makes the projector body withdraw the protecting box closes logical groove, thereby prevent that the projector body from exposing the inside that the dust fell into the projector body outside for a long time, influence the normal use of projector body.
The utility model discloses a rotate the second worm, drive the rotary rod and rotate under the effect of second worm wheel, adjust the inclination of establishing the projecting apparatus body between two fixed plates to the projecting apparatus body of being convenient for carries out better projection, through setting up the hand wheel, be convenient for rotate and rotate at the front drive second worm of adjusting the box at the first worm of a side drive of protective housing, lead to promoting the handle and be convenient for the device whole under the effect of removing the wheel and remove.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the adjusting box of the present invention;
fig. 3 is a top view of the present invention.
In the figure, 1, a protective box; 2. a rotating rod; 3. a first worm gear; 4. a connecting rod; 5. a top rod; 6. a lifting seat; 7. a pin shaft seat; 8. a fixing plate; 9. rotating the rod; 10. a projector body; 11. a first worm; 12. a through groove; 13. an adjustment chamber; 14. a screw; 15. a movable baffle; 16. a rotating wheel; 17. an adjustment box; 18. a second worm gear; 19. a second worm; 20. a moving wheel; 21. a fixed block; 22. pushing the handle.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
embodiment 1 referring to an embodiment shown in fig. 1 and 3, a projecting apparatus for volunteer filling training comprises a protective case 1 and a projector body 10, wherein the inner wall of the protective case 1 is rotatably connected with a rotating rod 2, the rotating rod 2 is fixedly connected with a first worm wheel 3 and a connecting rod 4, one end of the connecting rod 4 away from the first worm wheel 3 is hinged with a top rod 5 through a pin shaft, the protective case 1 is internally provided with a lifting seat 6, the bottom of the lifting seat 6 is fixedly connected with a pin shaft seat 7, one end of the top rod 5 away from the connecting rod 4 is hinged with the pin shaft seat 7 through a pin shaft, the top of the lifting seat 6 is fixedly connected with two fixed plates 8, two side surfaces of the projector body 10 are both fixedly connected with rotating rods 9, the projector body 10 is rotatably connected between the two fixed plates 8 through the two rotating rods 9, the inner side wall of the protective case 1 is rotatably connected with a first worm 11, the first worm, logical groove 12 and regulation chamber 13 have been seted up at the top of protective housing 1, the inside wall rotation of regulation chamber 13 is connected with screw rod 14, threaded connection has adjustable fender 15 on the screw rod 14, adjustable fender 15 runs through the inside wall of regulation chamber 13 and extends to the inside that leads to groove 12, equal fixedly connected with runner 16 on the screw rod 14 and on first worm 11, connect through drive belt transmission between two runner 16, first worm 11 of antiport when projecting apparatus body 10 need not use, make projecting apparatus body 10 withdraw inside adjustable fender 15 of protective housing 1 and close logical groove 12, thereby prevent that projecting apparatus body 10 from exposing the inside that the dust fell into projecting apparatus body 10 outside for a long time, influence the normal use of projecting apparatus body 10.
Example 2:
on the basis of the above embodiments, referring to fig. 1 and fig. 3, in embodiment 2, a first worm 11 penetrates through an inner side wall of the protective box 1 and extends to a side surface of the protective box 1, a hand wheel is fixedly connected to one end of the first worm 11, which is arranged outside the protective box 1, and the hand wheel is arranged to facilitate driving the first worm 11 inside the protective box 1 to rotate outside the protective box 1.
Example 3:
on the basis of the above embodiments, in embodiment 3 referring to fig. 1 and fig. 2, an adjusting box 17 is fixedly connected to a side surface of a fixing plate 8, a rotating rod 9 sequentially penetrates through a side surface of the fixing plate 8 and a side surface of the adjusting box 17 and extends into the adjusting box 17, a second worm wheel 18 is fixedly connected to the rotating rod 9, a second worm 19 is rotatably connected to an inner side wall of the adjusting box 17, the second worm 19 is engaged with the second worm wheel 18, the second worm 19 penetrates through the inner side wall of the adjusting box 17 and extends to the front surface of the adjusting box 17, a hand wheel is fixedly connected to one end of the second worm 19, and by rotating the hand wheel at one end of the second worm 19, the rotating rod 9 is driven to rotate under the action of the second worm gear 18, and the inclination angle of the projector body 10 between the two fixing plates 8 is adjusted, so that the projector body 10 can perform better projection conveniently.
Example 4:
on the basis of the above embodiments, in embodiment 4, referring to an embodiment shown in fig. 1 and fig. 3, four moving wheels 20 are fixedly connected to the bottom of the protection box 1, the four moving wheels 20 are distributed at four corners of the bottom of the protection box 1, a group of fixed blocks 21 are fixedly connected to the protection box 1, a pushing handle 22 is fixedly connected between the two fixed blocks 21, and the pushing handle 22 is pushed to facilitate the overall movement of the device under the action of the moving wheels 20.
The working process of the utility model is as follows: the device pushes a pushing handle 22 to move to the front of the projection screen, a hand wheel at one end of a first worm 11 is rotated to enable a rotating rod 2 to rotate under the action of a first worm wheel 3, the top projector body 10 of a lifting seat 6 is jacked up under the connecting action of a connecting rod 4 and a jacking rod 5, in the rotating process of the first worm 11, a screw 14 is driven to rotate together under the action of two rotating wheels 16 and a transmission belt, in the rotating process of the screw 14, a movable baffle 15 on the screw 14 is contracted into an adjusting cavity 13 from the inside of a through groove 12, so that the through groove 12 is opened, the projector body 10 extends out of the inner part of a protective box 1 to be used, by rotating the hand wheel at one end of a second worm 19, the rotating rod 9 is driven to rotate under the action of a second worm wheel 18, the inclination angle of the projector body 10 arranged between two fixing plates 8 is adjusted, so that the projector body 10 can conveniently perform better projection, when the projector body 10 is not needed to be used, the hand wheel at one end of the first worm 11 is rotated reversely, the inner movable baffle 15 for retracting the protective box 1 of the projector body 10 closes the through groove 12, and therefore the projector body 10 is prevented from being exposed to outside dust for a long time and falling into the projector body 10, and normal use of the projector body 10 is prevented from being influenced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a volunteer fills in training and uses projection arrangement, includes guard box (1) and projecting apparatus body (10), its characterized in that: the inner wall of the protective box (1) is rotatably connected with a rotating rod (2), the rotating rod (2) is fixedly connected with a first worm wheel (3) and a connecting rod (4), one end, far away from the first worm wheel (3), of the connecting rod (4) is hinged with a mandril (5) through a pin shaft, a lifting seat (6) is arranged inside the protective box (1), the bottom of the lifting seat (6) is fixedly connected with a pin shaft seat (7), one end, far away from the connecting rod (4), of the mandril (5) is hinged with the pin shaft seat (7) through a pin shaft, the top of the lifting seat (6) is fixedly connected with two fixed plates (8), two side faces of a projector body (10) are both fixedly connected with rotating rods (9), the projector body (10) is rotatably connected between the two fixed plates (8) through the two rotating rods (9), the inner side wall of the protective box (1) is rotatably connected with a first worm (11), and the first, logical groove (12) and regulation chamber (13) have been seted up at the top of protective housing (1), the inside wall rotation of adjusting chamber (13) is connected with screw rod (14), threaded connection has adjustable fender (15) on screw rod (14), adjustable fender (15) run through the inside wall of adjusting chamber (13) and extend to the inside that leads to groove (12), equal fixedly connected with runner (16) on screw rod (14) and on first worm (11), connect through drive belt transmission between two runner (16).
2. The projection device for volunteer filling training as claimed in claim 1, wherein: the first worm (11) penetrates through the inner side wall of the protective box (1) and extends to one side face of the protective box (1), and a hand wheel is fixedly connected to one end, arranged outside the protective box (1), of the first worm (11).
3. The projection device for volunteer filling training as claimed in claim 1, wherein: one side fixedly connected with of fixed plate (8) adjusts box (17), and a rotary rod (9) runs through a side of fixed plate (8) and a side of adjusting box (17) in proper order and extends to the inside of adjusting box (17), fixedly connected with second worm wheel (18) on rotary rod (9), and the inside wall of adjusting box (17) rotates and is connected with second worm (19), and second worm (19) mesh with second worm wheel (18).
4. The projection device for volunteer filling training as claimed in claim 3, wherein: the second worm (19) penetrates through the inner side wall of the adjusting box (17) and extends to the front face of the adjusting box (17), and one end of the second worm (19) is fixedly connected with a hand wheel.
5. The projection device for volunteer filling training as claimed in claim 1, wherein: the bottom fixedly connected with of protective housing (1) removes wheel (20), and four remove wheel (20) and distribute four edges and corners in protective housing (1) bottom.
6. The projection device for volunteer filling training as claimed in claim 1, wherein: a group of fixing blocks (21) are fixedly connected to the protection box (1), and a pushing handle (22) is fixedly connected between the two fixing blocks (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021889333.1U CN212809479U (en) | 2020-09-02 | 2020-09-02 | Projecting device for volunteer filling training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021889333.1U CN212809479U (en) | 2020-09-02 | 2020-09-02 | Projecting device for volunteer filling training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212809479U true CN212809479U (en) | 2021-03-26 |
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ID=75088206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021889333.1U Active CN212809479U (en) | 2020-09-02 | 2020-09-02 | Projecting device for volunteer filling training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212809479U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352993A (en) * | 2022-01-06 | 2022-04-15 | 深圳市美斯特光电技术有限公司 | Industrial lighting lamp with light condensation function |
| CN114859642A (en) * | 2022-04-25 | 2022-08-05 | 苏州信息职业技术学院 | Portable projection arrangement of marketing training teaching |
-
2020
- 2020-09-02 CN CN202021889333.1U patent/CN212809479U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352993A (en) * | 2022-01-06 | 2022-04-15 | 深圳市美斯特光电技术有限公司 | Industrial lighting lamp with light condensation function |
| CN114352993B (en) * | 2022-01-06 | 2023-08-29 | 深圳市美斯特光电技术有限公司 | Industrial lighting lamp with light condensing function |
| CN114859642A (en) * | 2022-04-25 | 2022-08-05 | 苏州信息职业技术学院 | Portable projection arrangement of marketing training teaching |
| CN114859642B (en) * | 2022-04-25 | 2024-04-02 | 苏州信息职业技术学院 | Portable projection arrangement of marketing training teaching |
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