CN212203890U - School uses multimedia projection equipment convenient to carry - Google Patents
School uses multimedia projection equipment convenient to carry Download PDFInfo
- Publication number
- CN212203890U CN212203890U CN202020689420.6U CN202020689420U CN212203890U CN 212203890 U CN212203890 U CN 212203890U CN 202020689420 U CN202020689420 U CN 202020689420U CN 212203890 U CN212203890 U CN 212203890U
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- ball pivot
- box
- hydraulic rod
- projecting apparatus
- multimedia projection
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Abstract
The utility model discloses a school uses multimedia projection equipment convenient to carry, including the box, the inside of box is provided with the projecting apparatus, the top fixedly connected with ball pivot of hydraulic rod, and the free end of ball pivot and the top central point of projecting apparatus put fixed connection to threaded connection has the bolt on the ball pivot, the top of hydraulic rod is rotated and is connected with the pinch bar, box bottom corner is provided with a set of rim plate mechanism. The utility model discloses in, through upwards pulling the pinch bar, the pinch bar rotates through the round pin axle to the pinch bar is pressed hydraulic rod control button, behind the inside hydraulic oil return circuit intercommunication of hydraulic rod, highly adjusting the ball pivot, after reaching suitable height, loosens the projected rigidity behind the pinch bar, rotates the ball pivot afterwards, finely tunes the angle of projecting apparatus, fixes the ball pivot through the bolt in the ball pivot outside, thereby accomplishes the convenient adjustment to the projecting apparatus position.
Description
Technical Field
The utility model relates to a projecting apparatus technical field especially relates to a school uses multimedia projection equipment convenient to carry.
Background
A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and 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; projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes.
Most of existing multimedia projection equipment adopt a fixed form, but in some specific occasions, the projector is required to be more portable, the portability of the projector with a larger size is poorer, the projector is required to be placed and adjusted at a specific position at a corresponding position, and the layout is not convenient enough through an external mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the portable multimedia projection equipment for schools is provided for solving the problems that the existing projection equipment is low in portability degree and not convenient and fast in external layout.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a school uses multimedia projection equipment convenient to carry, includes the box, and the inside of box is provided with the projecting apparatus, and the bottom central point of box puts fixedly connected with hydraulic rod to the transmission is connected between hydraulic rod and the projecting apparatus, the top fixedly connected with ball pivot of hydraulic rod, and the free end of ball pivot and the top central point of projecting apparatus put fixed connection to threaded connection has the bolt on the ball pivot, the top of hydraulic rod is rotated and is connected with the pinch bar, box bottom corner is provided with a set of rim plate mechanism.
As a further description of the above technical solution:
the position of the pry bar pin shaft deviates from the center position of the hydraulic rod, and the end of the pry bar is positioned at the position of a button of the hydraulic rod.
As a further description of the above technical solution:
a movable groove is formed in the box body, and the extending end of the pry bar extends to the outside of the box body through the movable groove.
As a further description of the above technical solution:
the wheel disc mechanism comprises three rotating shafts and three crystal wheels, wherein the rotating shafts are arranged on one sides of the three crystal wheels, and the three rotating shafts are intersected at one point in an equidistant array mode.
As a further description of the above technical solution:
the outside cover of the center pin of quartzy wheel is equipped with the sleeve pipe, and the sleeve pipe both sides all are provided with the spring that sets up along the pivot to the sleeve pipe passes through elastic connection between spring and the pivot.
As a further description of the above technical solution:
the box body is characterized in that a sliding groove is formed in one side of the vertical end of the box body, a pull rod is connected to the inside of the sliding groove in a sliding mode, and two supporting wheels are arranged on one side, away from the pull rod, of the corner of the bottom of the box body.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, through upwards pulling the pinch bar, the pinch bar rotates through the round pin axle to the pinch bar is pressed hydraulic rod control button, behind the inside hydraulic oil return circuit intercommunication of hydraulic rod, highly adjusting the ball pivot, after reaching suitable height, loosens the projected rigidity behind the pinch bar, rotates the ball pivot afterwards, finely tunes the angle of projecting apparatus, fixes the ball pivot through the bolt in the ball pivot outside, thereby accomplishes the convenient adjustment to the projecting apparatus position.
2. The utility model discloses in, the rim plate mechanism of triangle-shaped structure is when the removal of level ground, two that are located the below support the box as the impetus, when meetting the ladder, be close to the quartzy wheel stop motion of ladder position, when the box needs to continue the motion, the box rotates around the quartzy wheel of fixed position, thereby make the quartzy wheel of top rotate the step of supreme one-level, with the operation of this skill completion upper ledge, the trouble of transport has been avoided, with this convenient removal that has realized the box promptly, hoisting device's practicality.
Drawings
Figure 1 shows a longitudinal section provided according to an embodiment of the invention;
figure 2 shows a side elevation and a longitudinal elevation provided in accordance with an embodiment of the present invention;
fig. 3 shows a structure diagram of a wheel mechanism provided according to an embodiment of the present invention;
illustration of the drawings:
1. a box body; 2. a projector; 3. a chute; 4. a pull rod; 5. a support wheel; 6. a wheel disc mechanism; 7. a hydraulic rod; 8. spherical hinge; 9. a crystal wheel; 10. a sleeve; 11. a spring; 12. a pry bar; 13. a movable groove; 14. a bolt; 15. a rotating shaft.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a school uses multimedia projection equipment convenient to carry, the power distribution box comprises a box body 1, the inside of box 1 is provided with projecting apparatus 2, and the bottom central point of box 1 puts fixedly connected with hydraulic rod 7, and the transmission is connected between hydraulic rod 7 and the projecting apparatus 2, the top fixedly connected with ball pivot 8 of hydraulic rod 7, and the free end of ball pivot 8 puts fixed connection with the top central point of projecting apparatus 2, cooperation through ball pivot 8 and hydraulic rod 7, can carry out convenient regulation to the height and the angle of projecting apparatus 2, and threaded connection has bolt 14 on the ball pivot 8, when bolt 14 runs through 8 outer walls of ball pivot, can fix the position of ball pivot 8, the top of hydraulic rod 7 is rotated and is connected with pinch bar 12, 1 bottom corner of box is provided with a set of rim plate mechanism 6.
Specifically, as shown in fig. 1 and 2, the pin position of the pry bar 12 deviates from the center position of the hydraulic rod 7, the end of the pry bar 12 is located at the button position of the hydraulic rod 7, a movable groove 13 is formed in the box body 1, and the extending end of the pry bar 12 extends to the outside of the box body 1 through the movable groove 13.
Specifically, as shown in fig. 1 and 3, wheel mechanism 6 includes pivot 15 and quartzy wheel 9, quartzy wheel 9 is provided with threely, and one side of three quartzy wheel 9 all is provided with pivot 15, and the equidistant array of three pivot 15 intersects in a bit, the outside cover of center pin of quartzy wheel 9 is equipped with sleeve 10, and sleeve 10 both sides all are provided with the spring 11 that sets up along pivot 15, effect through spring 11 can carry out better ear bradyseism to quartzy wheel 9, thereby promote the security of projecting apparatus 2, and sleeve 10 passes through elastic connection between spring 11 and the pivot 15.
Specifically, as shown in fig. 1, a chute 3 is formed in one side of the vertical end of the box body 1, a pull rod 4 is slidably connected to the inside of the chute 3, and two supporting wheels 5 are arranged on one side of the corner of the bottom of the box body 1 away from the pull rod 4.
The working principle is as follows: when the projector 2 needs to be used, the pry bar 12 is pulled upwards, the pry bar 12 rotates through the pin shaft, so that the pry bar 12 presses a control button of the hydraulic rod 7, the height of the spherical hinge 8 is adjusted after a hydraulic oil loop inside the hydraulic rod 7 is communicated, after the proper height is reached, the pry bar 12 is loosened, the position of the projector 2 is fixed, then the spherical hinge 8 is rotated, the angle of the projector 2 is finely adjusted, and the spherical hinge 8 is fixed through the bolt 14 on the outer side of the spherical hinge 8, so that the convenient adjustment of the position of the projector is completed; receive back in the box 1 with projecting apparatus 2, take out the inside pull rod 4 of box 1 spout 3, thereby carry out convenient position to box 1 and remove, at the removal in-process, be the rim plate mechanism 6 of triangle-shaped structure when horizontal ground removes, two that are located the below are as the impetus, support box 1, when meetting the ladder, be close to quartzy wheel 9 stop motion of ladder position, when box 1 needs to continue the motion, box 1 rotates around quartzy wheel 9 of fixed position, thereby make quartzy wheel 9 of top rotate the step of supreme one-level, with the operation of step is accomplished to this skill, the trouble of transport has been avoided, with this convenient removal that has realized box 1 promptly, hoisting device's practicality.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a school uses multimedia projection equipment convenient to carry, includes box (1), and the inside of box (1) is provided with projecting apparatus (2), and the bottom central point of box (1) puts fixedly connected with hydraulic rod (7) to the transmission is connected between hydraulic rod (7) and projecting apparatus (2), its characterized in that, the top fixedly connected with ball pivot (8) of hydraulic rod (7), and the top central point of the free end of ball pivot (8) and projecting apparatus (2) puts fixed connection to threaded connection has bolt (14) on ball pivot (8), the top of hydraulic rod (7) is rotated and is connected with crow bar (12), box (1) bottom corner is provided with a set of rim plate mechanism (6).
2. The portable school multimedia projector as claimed in claim 1, wherein the position of the pin of the pry bar (12) is offset from the center of the hydraulic bar (7), and the end of the pry bar (12) is located at the position of the button of the hydraulic bar (7).
3. The portable multimedia projection device for schools as claimed in claim 1, wherein the box body (1) is provided with a movable groove (13), and the extending end of the pry bar (12) extends to the outside of the box body (1) through the movable groove (13).
4. The portable multimedia projection device for schools as claimed in claim 1, wherein the wheel mechanism (6) comprises three rotating shafts (15) and three crystal wheels (9), the three crystal wheels (9) are provided, the rotating shafts (15) are provided on one side of each of the three crystal wheels (9), and the three rotating shafts (15) are intersected at one point in an equidistant array.
5. The portable multimedia projection device for schools as claimed in claim 4, wherein a sleeve (10) is sleeved outside a central shaft of the crystal wheel (9), springs (11) arranged along a rotating shaft (15) are arranged on two sides of the sleeve (10), and the sleeve (10) is elastically connected with the rotating shaft (15) through the springs (11).
6. The portable multimedia projection device for schools as claimed in claim 1, wherein a sliding groove (3) is formed in one side of a vertical end of the case body (1), a pull rod (4) is slidably connected to the inside of the sliding groove (3), and two supporting wheels (5) are arranged on one side of a corner of the bottom of the case body (1) away from the pull rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689420.6U CN212203890U (en) | 2020-04-29 | 2020-04-29 | School uses multimedia projection equipment convenient to carry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020689420.6U CN212203890U (en) | 2020-04-29 | 2020-04-29 | School uses multimedia projection equipment convenient to carry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212203890U true CN212203890U (en) | 2020-12-22 |
Family
ID=73832002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020689420.6U Active CN212203890U (en) | 2020-04-29 | 2020-04-29 | School uses multimedia projection equipment convenient to carry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212203890U (en) |
-
2020
- 2020-04-29 CN CN202020689420.6U patent/CN212203890U/en active Active
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