CN219036040U

CN219036040U - Projection arrangement with diversified show function

Info

Publication number: CN219036040U
Application number: CN202222989591.2U
Authority: CN
Inventors: 钟欣怡
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-16
Anticipated expiration: 2032-11-09

Abstract

The utility model provides a projection device with a multidirectional display function, and relates to the technical field of teaching projection devices. The utility model comprises a base, a lifting rod and a projector, wherein a thrust bearing is arranged at the center of the top of the base, the bottom of the lifting rod is connected with the thrust bearing, a mounting plate is arranged at the top of the lifting rod, the projector is connected with the mounting plate, a remote control motor is arranged at the top of the base, the remote control motor is connected with a worm, the lifting rod is provided with a turbine meshed with the worm, the base is provided with a movable supporting leg and a telescopic bolt, the movable supporting leg is sleeved with a first spring connected with the top of the base, the movable supporting leg is provided with an upper limit hole and a lower limit hole for inserting the telescopic bolt, and the bottom of the base is provided with a moving wheel.

Description

Projection arrangement with diversified show function

Technical Field

The utility model relates to the technical field of teaching projection devices, in particular to a projection device with a multidirectional display function.

Background

Economics is the discipline of researching various economic activities and various corresponding economic relations and rules of operation and development of human society in various development stages. In the process of economics teaching, a projection device is often required to display more comprehensive and visual contents for students so as to facilitate better learning and memory of the students.

But current projection arrangement is mostly fixed, inconvenient angle of adjustment is in order to adapt to different use teaching environment, so current application number is CN 202023067539.9's a microcosmic economics is with projection arrangement that has diversified show function, including the projecting apparatus, projector back wall fixedly connected with rotates seat A, rotate fixedly connected with rotation gear in the seat A rear end, rotate on the rotation gear and be connected with rotation seat B, it all is equipped with drive gear to rotate seat B left and right sides, it is connected with the worm to rotate seat B rear end internal rotation, the worm below is equipped with the transmission case, be bilateral symmetry structure and set firmly two motors in the transmission case, drive the projecting apparatus through left motor and rotate at the horizontal direction, drive the projecting apparatus through the motor on right side and rotate at vertical, through rotating the transmission case on the base, make this device can 360 rotations at the horizontal direction, thereby realized diversified show. However, the inventor has found that the projection apparatus with multi-azimuth display function for micro-economics does not have a height adjusting function, and other objects (such as a table) are often required to support the projection apparatus to be adjusted to a proper height, which is inconvenient to use, and thus the prior art needs to be improved.

Disclosure of Invention

The utility model aims to provide a projection device with a multidirectional display function, which can provide a corresponding solution for the problems existing in the prior art and has the advantages of adjustable height and easy movement.

Embodiments of the present utility model are implemented as follows:

the embodiment of the application provides a projection arrangement with diversified show function, wherein includes base, lifter, projecting apparatus, the top center of base is provided with thrust bearing, the bottom of lifter with thrust bearing connects, the top of lifter sets up the mounting panel, the projecting apparatus with the mounting panel is connected, the top of base is provided with remote control motor, remote control motor is connected with the worm, the lifter be provided with worm engaged turbine, the base is provided with movable supporting leg and flexible bolt, movable supporting leg cover be equipped with the first spring that the base top is connected, the movable supporting leg is equipped with the confession flexible bolt male last spacing hole and lower spacing hole, the bottom of base is provided with the removal wheel.

In some embodiments of the present utility model, the base is provided with a straight rod, a ball bearing is disposed at the top of the straight rod, and an end of the worm remote from the remote control motor passes through the ball bearing.

In some embodiments of the present utility model, a pull ring is provided on the top of the movable supporting leg.

In some embodiments of the present utility model, a movable cavity into which the telescopic pin is inserted is provided in the base, and a second spring sleeved on the telescopic pin is provided in the movable cavity.

In some embodiments of the utility model, the telescopic pin is provided with a stop plate abutting the second spring end.

In some embodiments of the utility model, rubber feet are arranged at the bottoms of the movable supporting legs.

In some embodiments of the present utility model, the lifting device further comprises a fixing frame, wherein the bottom of the fixing frame is connected with the base, and a through hole for the lifting rod to pass through is formed in the top of the fixing frame.

In some embodiments of the utility model, the lifter includes an electric lifter or a manual lifter.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the projection device with the multidirectional display function mainly comprises a base, a lifting rod and a projector, and is suitable for high-end large-scale projection equipment. The bottom of lifter and the bottom of base pass through thrust bearing and rotate to be connected, and the projecting apparatus is installed on the mounting panel at lifter top, and the fixed cover in below of lifter is equipped with a turbine, and remote control motor is installed at the top of base, and remote control motor's main shaft is connected the worm, worm and turbine meshing to install on the base and remove the movable support leg that the wheel can reciprocate, the movable support leg provides the power of downward activity through first spring, realizes fixing through flexible bolt.

The movable supporting leg is at the highest position during movement, the telescopic bolt is inserted into the lower limit hole, a user pushes the projection device with the multi-azimuth display function to a place where projection is needed through the moving wheel, then the telescopic bolt is pulled out by lifting the base, and the telescopic bolt automatically moves downwards under the drive of the first spring until the telescopic bolt is inserted into the upper limit hole, and at the moment, the four movable supporting legs hang the moving wheel to play a better fixing role. Then adjust the lifter, adjust the projecting apparatus to suitable height, finally control the remote control motor through the remote controller, the remote control motor drives the worm rotatory, worm and turbine meshing realize that the lifter is rotatory, and then drive the horizontal rotation of projecting apparatus, make the projecting apparatus adjust suitable projection angle according to the use teaching environment of difference. Therefore, the projection device with the multidirectional display function has the beneficial effects of being adjustable in height and easy to move.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic front view of a projection apparatus with multi-azimuth display function according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a remote control motor and a worm provided in an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view at a in fig. 1.

Icon: the device comprises a base, a thrust bearing, a straight rod, a ball bearing, a movable cavity, a lifting rod, a sleeve, an extension rod, a telescopic sleeve, a mounting plate, a projector, a remote control motor, a worm, a movable supporting leg, a lower limiting hole, a lifting ring, a rubber pad leg, a first spring, a telescopic bolt, a second spring, a baffle, a moving wheel and a fixed frame.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its orientation is more horizontal than "vertical" and does not mean that the structure or component must be entirely horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1 to 3, a projection device with multi-directional display function is provided in an embodiment of the present utility model, which can be used in the process of economics teaching, and has the following specific structure.

As shown in fig. 1, the embodiment of the application provides a projection arrangement with diversified show function, mainly comprises base 1, lifter 2, projecting apparatus 3 triplex, and base 1 is used for providing mounted position for other spare part, and lifter 2 is used for driving projecting apparatus 3 to rise or descend, and projecting apparatus 3 is large-scale teaching projection equipment among the prior art.

Further, referring to fig. 1, the base 1 is made of square aluminum alloy plate, and has the advantages of light weight and high strength, the thrust bearing 101 is mounted at the center of the top of the base 1, and the bottom end surface of the thrust bearing 101 is fixedly connected with the top end surface of the base 1. The lifter 2 can adopt the electric lifter 2 in the prior art, the bottom of the lifter 2 is fixedly connected with the thrust bearing 101, and the thrust bearing 101 can enable the lifter 2 to rotate more smoothly.

It should be noted that, as shown in fig. 1, the lifting rod 2 may also be a manual lifting rod 2 composed of a sleeve 201 and an extension rod 202, where an elastic sleeve 203 is disposed at the top of the sleeve 201 and used for screwing the top port of the sleeve 201, similar to the extension rod in the prior art, with simple structure and reasonable design.

As shown in fig. 1, the fixing frame 8 is mounted on the top of the base 1, the fixing frame 8 comprises two leg rods, the leg rods are fixedly connected with the base 1, the fixing frame 8 further comprises a cross rod at the top, the cross rod of the fixing frame 8 is provided with a through hole, the size of the through hole is slightly larger than that of the lifting rod 2, and the lifting rod 2 penetrates through the through hole.

As shown in fig. 1, a mounting plate 204 fixes the top end of the lifting rod 2, the top surface of the mounting plate 204 is kept horizontal, and a projector 3 is fixed to the top of the mounting plate 204 by screws.

Referring to fig. 1 and 2, a stepping motor (existing equipment, which can be directly adopted) controlled by a remote controller in the prior art is adopted as a remote control motor 4, the remote control motor 4 is fixedly installed at the top of a base 1, a main shaft of the remote control motor 4 is connected with a worm 401 through a coupling, and the remote control motor 4 can drive the worm 401 to rotate.

Further, the top of the base 1 is also provided with a straight rod 102, the top of the straight rod 102 is provided with a ball bearing 103, the end part of the worm 401, which is far away from the remote control motor 4, is inserted into the ball bearing 103, and the ball bearing 103 can better support the worm 401 to rotate, so that the use effect is better.

Referring to fig. 1 and 3, four movable supporting legs 5 are provided, so as to stably support the base 1, the movable supporting legs 5 are metal rods, vertical through holes for the movable supporting legs 5 to pass through are formed in the base 1, the first springs 505 are sleeved on the movable supporting legs 5, the upper ends of the first springs 505 are welded and fixed with the movable supporting legs 5, and the lower ends of the first springs 505 are fixedly connected with the top of the base 1.

Further, as shown in fig. 3, the base 1 is further provided with a movable cavity 104 for accommodating the second spring 601, and the telescopic bolt 6 is inserted into the movable cavity 104 from the side wall of the base 1, and then inserted into the vertical through hole of the base 1 from the movable cavity 104, so that the telescopic bolt 6 is conveniently inserted into the upper limit hole 501 or the lower limit hole 502 on the movable support leg 5. The second spring 601 is sleeved on the telescopic bolt 6, the baffle 602 is also sleeved on the telescopic bolt 6 and is positioned in the movable cavity 104, the left end of the second spring 601 is propped against the upper surface of the inner wall of the movable cavity 104, and the left end of the second spring 601 is propped against the baffle 602.

It should be noted that, the top of the movable supporting leg 5 is provided with a pull ring 503 which is convenient to pull, and the bottom of the movable supporting leg 5 is provided with a rubber pad foot 504 which plays a role of buffering.

The implementation principle of the projection device with the multi-azimuth display function provided by the embodiment of the utility model is as follows:

the movable supporting leg 5 is at the highest position during movement, at this moment, the telescopic bolt 6 is inserted into the lower limit hole 502, a user pushes the projection device with the multidirectional display function to a place where projection is needed through the moving wheel 7, then the base 1 is lifted up to pull out the telescopic bolt 6, the telescopic bolt 6 automatically moves downwards under the drive of the first spring 505 until the telescopic bolt 6 is automatically inserted into the upper limit hole 501 under the push of the second spring 601, and at this moment, the four movable supporting legs 5 suspend the moving wheel 7, so that a better fixing effect is achieved. Then adjust lifter 2, adjust projecting apparatus 3 to suitable height, finally control remote control motor 4 through the remote controller, remote control motor 4 drives worm 401 rotation, and worm 401 and turbine 205 meshing realize lifter 2 rotation, and then drive projecting apparatus 3 horizontal rotation, make projecting apparatus 3 adjust suitable projection angle according to different use teaching environment. After projection is finished, the projection device with the multidirectional display function is required to be pulled out, the telescopic bolt 6 is pulled out to pull the pull ring 503, the movable supporting leg 5 is enabled to continuously ascend until the telescopic bolt 6 is inserted into the lower limit hole 502, and the movable wheel 7 is in contact with the ground, so that movement is facilitated.

In conclusion, the projection device with the multidirectional display function provided by the embodiment of the utility model has the beneficial effects of adjustable height and easiness in movement, and can be used in the process of teaching economics.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a projection arrangement with diversified show function, its characterized in that, includes base, lifter, projecting apparatus, the top center of base is provided with thrust bearing, the bottom of lifter with thrust bearing connects, the top of lifter sets up the mounting panel, the projecting apparatus with the mounting panel is connected, the top of base is provided with remote control motor, remote control motor is connected with the worm, the lifter be provided with worm engaged turbine, the base is provided with movable support leg and flexible bolt, movable support leg cover be equipped with the first spring that the base top is connected, the movable support leg is equipped with the confession flexible bolt male spacing hole and lower spacing hole, the bottom of base is provided with the removal wheel.

2. The projection device with multi-azimuth display function according to claim 1, wherein the base is provided with a straight rod, a ball bearing is provided at the top of the straight rod, and one end of the worm, which is far away from the remote control motor, passes through the ball bearing.

3. The projection device with multi-azimuth display function according to claim 1, wherein a pull ring is provided on top of the movable supporting leg.

4. The projection device with multi-azimuth display function according to claim 1, wherein a movable cavity for inserting the telescopic plug pin is arranged in the base, and a second spring sleeved on the telescopic plug pin is arranged in the movable cavity.

5. The projection device with multi-orientation display function of claim 4 wherein the telescoping latch is provided with a baffle that abuts the second spring end.

6. The projection device with multi-azimuth display function according to claim 1, wherein the bottom of the movable supporting leg is provided with rubber pad feet.

7. The projection device with multi-azimuth display function according to claim 1, further comprising a fixing frame, wherein the bottom of the fixing frame is connected with the base, and a through hole for the lifting rod to pass through is formed in the top of the fixing frame.

8. The projection device of any one of claims 1-7, wherein the lifting lever comprises an electric lifting lever or a manual lifting lever.