CN216083385U

CN216083385U - A outdoor projection arrangement for internet education

Info

Publication number: CN216083385U
Application number: CN202122520688.4U
Authority: CN
Inventors: 骆芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-18
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses an outdoor projection device for internet education, which comprises a base, fixing supports and a pull rod, wherein a rotating shaft is installed in the base through a bearing, a projection curtain is arranged on the periphery of the rotating shaft, two sides of the top of the base are connected with the fixing supports through the rotating shaft, sliding grooves are formed in the fixing supports, sliding blocks are connected in the sliding grooves in a sliding mode, a supporting frame is arranged between the fixing supports, and two sides of the supporting frame are connected with the sliding blocks through bolts. The outdoor projection device for internet education is simple and practical in structure, greatly improves the practicability of outdoor use, is more stable and reliable, and is suitable for wide popularization and use.

Description

A outdoor projection arrangement for internet education

Technical Field

The utility model relates to the technical field of internet education, in particular to an outdoor projection device for internet education.

Background

Internet education is along with current scientific and technological continuous development, a new education form that internet science and technology and education field combined together, the information technology has permeated each aspect of society, in the education field, the subversive transformation of an informationization is just taking place silently, in modern information society, the internet has high efficiency, swiftly, the characteristics of convenient propagation, play irreplaceable important role in the study of well little student and the life to become the good helper of well little student's study, when carrying out internet education in the open air, need use projection arrangement to assist the teaching.

At present, the existing outdoor projection device has the following disadvantages when in use: 1. when using outdoors, because the device is bulky, be difficult to install and remove, the practicality is relatively poor, 2, outdoor dust is more, and long-time outdoor teaching back influences the result of use of curtain easily. To this end, we propose an outdoor projection apparatus for internet education.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an outdoor projection device for internet education, which can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides an outdoor projection arrangement for internet education, includes base, fixed bolster and pull rod, through bearing installation pivot in the base, the periphery of pivot is provided with the projection curtain, the fixed bolster is all connected through the pivot in the both sides at base top, the spout has all been seted up in the fixed bolster, sliding connection has the slider in the spout, be provided with the support frame between the fixed bolster, bolted connection slider is all passed through to the both sides of support frame.

Further, the both sides of fixed bolster all are provided with the fixture block, the top of base is provided with the draw-in groove that corresponds with the fixture block, the both sides of base all are provided with the bolt that corresponds with the fixture block through reserving the mouth, and the fixture block is run through to the one end of bolt.

Furthermore, the top of support frame is through reserving mouthful through connection pull rod, the bottom of pull rod is through bearing installation cleaning roller, the both sides of fixed bolster all are provided with the screw rod of screwing up that corresponds with the slider through reserving mouthful, and the one end of screwing up the screw rod is through reserving screw hole threaded connection slider.

Further, the connecting spring is cup jointed at the top that the periphery of pull rod is located the support frame, the both sides of base all are provided with the bull stick, and the one end and the pivot of bull stick are connected, the bottom of projection curtain is provided with the pull ring, the bottom of support frame is provided with the snap ring that corresponds with the pull ring, and the bull stick passes through the screwed connection pivot, and the support frame passes through the screwed connection snap ring.

Furthermore, one side of the base is connected with a placing table through a rotating shaft, the bottom of the placing table is connected with a supporting rod through the rotating shaft, the bottom of the base is provided with a universal wheel capable of being braked, and the base is connected with the universal wheel capable of being braked through a bolt.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the fixed bolster, fixture block, draw-in groove and the bolt that sets up, can set level the support frame and install fixedly, adorn after the curtain and stand its use immediately, simple structure easily operates, can also reduce the space and occupy, through spout, slider and support frame, can also adjust the height of curtain as required according to the use, improved the practicality that the outdoor teaching of device used.

2. Through pull rod, cleaning roller and the spring that sets up, can in time carry out quick cleaning to the curtain when carrying out long-time outdoor teaching, simple structure is compact, and convenient operation is swift, can also play the effect of support to the curtain, improves the stability when outdoor use, and is more reliable and more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of an outdoor projection apparatus for internet education according to the present invention.

Fig. 2 is a schematic cross-sectional view illustrating an outdoor projection apparatus for internet education according to the present invention.

Fig. 3 is a schematic cross-sectional view of a base and a fixing bracket of an outdoor projection device for internet education according to the present invention.

In the figure: 1. a base; 2. a rotating shaft; 3. a projection screen; 4. fixing a bracket; 5. a chute; 6. a slider; 7. a support frame; 8. a pull ring; 9. a snap ring; 10. screwing down the screw; 11. a pull rod; 12. a cleaning roller; 13. a spring; 14. a rotating rod; 15. a clamping block; 16. a card slot; 17. a bolt; 18. a placing table; 19. a support bar; 20. the universal wheel can be braked.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, an outdoor projection arrangement for internet education, includes base 1, fixed bolster 4 and pull rod 11, through bearing installation pivot 2 in the base 1, the periphery of pivot 2 is provided with projection curtain 3, fixed bolster 4 is all connected through the pivot in the both sides at base 1 top, spout 5 has all been seted up in the fixed bolster 4, sliding connection has slider 6 in the spout 5, be provided with support frame 7 between the fixed bolster 4, bolted connection slider 6 is all passed through to the both sides of support frame 7.

The fixing device comprises a fixing support 4, clamping blocks 15 are arranged on two sides of the fixing support 4, clamping grooves 16 corresponding to the clamping blocks 15 are arranged at the top of a base 1, and inserting pins 17 corresponding to the clamping blocks 15 are arranged on two sides of the base 1 through reserved openings.

As shown in fig. 3, in this embodiment, the fixing bracket 4 is conveniently limited and fixed after installation by the fixture block 15, the clamping groove 16 and the plug 17, the structure is simple, the operation is easy, and the installation difficulty is greatly reduced.

The top of the support frame 7 is connected with a pull rod 11 through a reserved opening in a penetrating manner, the bottom of the pull rod 11 is provided with a cleaning roller 12 through a bearing, and two sides of the fixed support 4 are provided with tightening screw rods 10 corresponding to the sliding blocks 6 through the reserved openings.

In this embodiment, as shown in fig. 2, the pull rod 11 and the cleaning roller 12 can clean the projection screen 3 in time and quickly when used outdoors, and the support frame 7 is conveniently adjusted and then limited and fixed by screwing the screw 10.

Wherein, connecting spring 13 is cup jointed at the top that the periphery of pull rod 11 is located support frame 7, the both sides of base 1 all are provided with bull stick 14, and the one end of bull stick 14 is connected with pivot 2, the bottom of projection curtain 3 is provided with pull ring 8, the bottom of support frame 7 is provided with snap ring 9 corresponding with pull ring 8.

In this embodiment, as shown in fig. 1 and 2, the pull rod 11 can be buffered by the spring 13, the rotating rod 14 is used to drive the rotating shaft 2 to rotate, the projection curtain 3 can be recovered after use, and the projection curtain 3 can be fixedly connected for use by the pull ring 8 and the snap ring 9.

Wherein, one side of the base 1 is connected with a placing table 18 through a rotating shaft, the bottom of the placing table 18 is connected with a supporting rod 19 through the rotating shaft, and the bottom of the base 1 is provided with a universal wheel 20 capable of braking.

As shown in figure 1 in this embodiment, through placing platform 18, be convenient for place the projecting apparatus and carry out projection teaching and handle, through bracing piece 19, be convenient for adjust place platform 18 angle after, support it, improve the stability of using, through can braking universal wheel 20, the mobile device of being convenient for.

It should be noted that the utility model is an outdoor projection device for internet education, when working, firstly the operator rotates and lays the fixed bracket 4 flat, pushes the support frame 7 to slide and adjust the position according to the use requirement, then pulls the pull ring 8 to be clamped into the clamp ring 9 for connection, then stands the fixed bracket 4 until the clamp block 15 is inserted into the clamp groove 16, the fixed bracket 4 is limited by the insertion of the inserted pin 17 and the fixed clamp block 15, the structure is simple and easy to operate, the space can be reduced when the device is not used, then the operator places the projector on the placing table 18, the projection teaching use is carried out after the stable state is achieved by adjusting the placing table 18 and the support rod 19, when the projection screen 3 is used outdoors for a long time, the operator can lay the fixed bracket 4 flat, through repeatedly pushing the pull rod 11, the cleaning roller 12 is contacted and rubbed with the projection screen 3, clear up its surface, simple structure is compact, and clean effectual moreover, can also form the support to the curtain, improves its outdoor stability of using, and safe and reliable stability more.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An outdoor projection arrangement for internet education, includes base (1), fixed bolster (4) and pull rod (11), its characterized in that: install pivot (2) through the bearing in base (1), the periphery of pivot (2) is provided with projection curtain (3), fixed bolster (4) are all connected through the pivot in the both sides at base (1) top, spout (5) have all been seted up in fixed bolster (4), sliding connection has slider (6) in spout (5), be provided with between fixed bolster (4) support frame (7), bolted connection slider (6) are all passed through to the both sides of support frame (7).

2. An outdoor projection device for internet education as claimed in claim 1, wherein: the fixing device is characterized in that clamping blocks (15) are arranged on two sides of the fixing support (4), clamping grooves (16) corresponding to the clamping blocks (15) are formed in the top of the base (1), and inserting pins (17) corresponding to the clamping blocks (15) are arranged on two sides of the base (1) through reserved openings.

3. An outdoor projection device for internet education as claimed in claim 1, wherein: the top of support frame (7) is through reserving mouthful through connection pull rod (11), bearing installation cleaning roller (12) are passed through to the bottom of pull rod (11), the both sides of fixed bolster (4) all are provided with screw rod (10) of screwing up that correspond with slider (6) through reserving mouthful.

4. An outdoor projection device for internet education as claimed in claim 1, wherein: connecting spring (13) is cup jointed at the top that the periphery of pull rod (11) is located support frame (7), the both sides of base (1) all are provided with bull stick (14), and the one end and pivot (2) of bull stick (14) are connected, the bottom of projection curtain (3) is provided with pull ring (8), the bottom of support frame (7) is provided with snap ring (9) that correspond with pull ring (8).

5. An outdoor projection device for internet education as claimed in claim 1, wherein: one side of the base (1) is connected with a placing table (18) through a rotating shaft, the bottom of the placing table (18) is connected with a supporting rod (19) through the rotating shaft, and a braking universal wheel (20) is arranged at the bottom of the base (1).