CN214890157U

CN214890157U - Projection arrangement for internet education

Info

Publication number: CN214890157U
Application number: CN202120139304.1U
Authority: CN
Inventors: 李秋东
Original assignee: Shenzhen Zhongkesida Technology Co ltd
Current assignee: Shenzhen Zhongkesida Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-11-26
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a projection device for internet education, which comprises a base, wherein four corners of the top of the base are fixedly connected with side columns, and the top of the base is provided with a lifting plate; through setting up first motor in the inboard of base, first motor output fixedly connected with gear, the outside both ends of gear all are provided with the rack, start through first motor, make the inside shrink of rack, the top of rack is provided with the slide bar, first slider slides in the outside of slide bar, shrink through the rack, it is inside at the outside of slide bar to drive first slider, the top of lifter plate is provided with the projecting apparatus main part, slide to the slide bar inboard through first slider, then can drive lifter plate upward movement, drive projecting apparatus main part upward movement promptly, otherwise, then can drive the purpose that projecting apparatus main part downstream reaches can go up and down, this device simple structure, high durability and convenient operation, the suitability is strong.

Description

Projection arrangement for internet education

Technical Field

The utility model relates to an internet education technical field especially relates to a projection arrangement for internet education.

Background

With the development of science and technology and internet, compared with the traditional education mode, internet education gradually shows the advantages, internet education has good interactivity, a plurality of tools can be used for asking questions to teachers on the internet, the questions can be discussed with students to form interactive learning, and internet teaching is not centered on teachers but on classes and students in the traditional teaching.

At present, the method is single when internet teaching is carried out, when the projection device is installed, the existing projection device can only project in a single direction and at a single angle, the adaptability is poor, the existing internet teaching task cannot be met, and in long-time use, the projection device can emit a large amount of heat.

SUMMERY OF THE UTILITY MODEL

To the defect that above-mentioned prior art exists, the utility model aims to provide a projection arrangement for internet education.

In order to achieve the above object, the utility model provides a projection device for internet education, which comprises a base, side columns are fixedly connected to four corners of the top end of the base, a lifting plate is arranged at the top end of the base, a first motor and a motor base are arranged inside the base, the bottom end of the motor base is fixedly connected to the bottom end inside the base, the first motor is fixedly connected to the top end of the motor base, a gear is fixedly connected to the output end of the first motor, a rack is engaged and connected to the outer side of the gear, one end of the rack is arranged outside the gear, the other end of the rack is fixedly connected with a first connecting block, a first connecting rod is fixedly connected to the top end of the first connecting block, a first slide block is fixedly connected to the other end of the first connecting rod, a slide bar is further arranged inside the base in a crossing manner, and second connecting blocks are fixedly arranged at two ends of the slide bar, two equal fixed connection of second connecting block is in the inboard of base, the top fixedly connected with fixed block of first slider, the outside of fixed block sets up the second connecting rod, and with the fixed block rotates to be connected, the one end that the fixed block was kept away from to the second connecting rod rotates and is connected with the third fixed block, the top fixed connection of third fixed block is in the bottom of lifter plate.

Further, the both ends of lifter plate are further fixed and are provided with the third connecting rod, the both ends of lifter plate all with third connecting rod fixed connection, the other end fixedly connected with second slider of third connecting rod, the inside of side post is provided with the spout, second slider sliding connection is in the inboard of spout.

Further, the racks on the two sides are respectively arranged on the upper side and the lower side of the gear.

Further, the inside fixedly connected with second motor of lifter plate, the output fixedly connected with fan of second motor.

Further, the top end fixedly connected with cushion of lifter plate, the top of cushion is provided with the projecting apparatus main part.

Furthermore, the bottom of lifter plate is provided with the bleeder vent, the bottom of lifter plate evenly is provided with the bleeder vent.

Further, a top gap is arranged above the projector main body, and the width of the top gap is larger than that of the projector main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up first motor in the inboard of base, first motor output end fixedly connected with gear, the outside both ends of gear all are provided with the rack, through the start-up of first motor, make the rack shrink inwards, the top of rack is provided with the slide bar, first slider slides in the outside of slide bar, through the shrink of rack, drive first slider and slide inwards in the outside of slide bar, the top fixedly connected with fixed block of first slider, the outside of fixed block is rotated and is connected the second connecting rod, the second connecting rod rotates and is connected in the outside of third fixed block, the bottom of lifter plate is fixed to the third fixed block, the top of lifter plate is provided with the projector main part, slide to the slide bar inboard through first slider, then can drive the lifter plate upward movement, namely drive the projector main part upward movement, otherwise, then can drive the projector main part downward movement and reach the mesh that can go up and down, the device has simple structure, convenient operation and strong applicability;

2. the utility model discloses a be provided with the second motor in the inboard of lifter plate, the output end fixedly connected with fan of second motor then can provide extra heat dissipation means for it at projecting apparatus main part during operation, evenly is provided with the bleeder vent through the bottom at the lifter plate, can distribute away the heat, reduces the heat that its long-time work produced, extension fixture's life.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and those skilled in the art can also obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a main body of a projection device for internet education according to the present invention;

fig. 2 is a schematic view of a front view structure of a projection device for internet education according to the present invention;

fig. 3 is a schematic view of an internal structure of a base of a projection device for internet education according to the present invention;

fig. 4 is the utility model provides an elevating plate inner structure schematic diagram in projection arrangement for internet education.

Description of reference numerals:

1. a base; 2. a lifting plate; 3. a side post; 4. a projector main body; 5. a top notch; 6. a first motor; 7. a motor base; 8. a gear; 9. a rack; 10. a first connection block; 11. a first connecting rod; 12. a first slider; 13. a slide bar; 14. a second connecting block; 15. a fixed block; 16. a second connecting rod; 17. a third fixed block; 18. a second slider; 19. a chute; 20. a third connecting rod; 21. a second motor; 22. a fan; 23. air holes are formed; 24. and a cushion block.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. 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.

The terms "including" and "having," and any variations thereof, in the description and claims of the invention and the above description of the drawings are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Please refer to fig. 1, fig. 2 and fig. 3, an embodiment of the utility model provides a projection arrangement for internet education, including base 1, the equal fixedly connected with side column 3 in base 1's top four corners, base 1's top is provided with lifter plate 2, base 1's inside is provided with first motor 6 and motor cabinet 7, the bottom fixed connection of motor cabinet 7 is in the inside bottom of base 1, first motor 6 fixed connection is in the top of motor cabinet 7, first motor 6's output fixedly connected with gear 8, gear 8's outside meshing is connected with rack 9, the one end of rack 9 sets up in gear 8's the outside, both sides rack 9 sets up respectively in gear 8's upper and lower both sides. The other end of the rack 9 is provided with a first connecting block 10, the bottom end of the first connecting block 10 is fixedly connected with the rack 9, the top end of the first connecting block 10 is fixedly connected with a first connecting rod 11, the other end of the first connecting rod 11 is fixedly provided with a first sliding block 12, and the bottom end of the first sliding block 12 is fixedly connected with the first connecting rod 11. The inside setting of base 1 further stridees across and sets up slide bar 13, and two ends of this slide bar 13 are all fixed and are set up second connecting block 14, and two equal fixed connection of second connecting block 14 are in the inboard of base 1, and first slider 12 sliding connection is in the outside of slide bar 13. The top fixedly connected with fixed block 15 of first slider 12, the outside of fixed block 15 further sets up second connecting rod 16 to rotate with fixed block 15 and be connected, the one end that fixed block 15 was kept away from to second connecting rod 16 rotates and is connected with third fixed block 17, and the top fixed connection of third fixed block 17 is in the bottom of lifter plate 2.

By arranging the first motor 6 at the inner side of the base 1, the output end of the first motor 6 is fixedly connected with the gear 8, the two ends of the outer side of the gear 8 are both provided with the racks 9, the racks 9 are contracted inwards by starting the first motor 6, the top end of the racks 9 is provided with the slide rod 13, the first slider 12 slides on the outer side of the slide rod 13, the first slider 12 is driven to slide inwards at the outer side of the slide rod 13 by contraction of the racks 9, the top end of the first slider 12 is fixedly connected with the fixed block 15, the outer side of the fixed block 15 is rotatably connected with the second connecting rod 16, the second connecting rod 16 is rotatably connected with the outer side of the third fixed block 17, the third fixed block 17 is fixedly connected with the bottom end of the lifting plate 2, the top end of the lifting plate 2 is provided with the projector main body 4, the lifting plate 2 can be driven to move upwards by sliding the first slider 12 towards the inner side of the slide rod 13, namely, the projector main body 4 is driven to move upwards, otherwise, the projector main body 4 can be driven to move downwards to achieve the purpose of lifting.

Referring to fig. 3, a third connecting rod 20 is further fixedly disposed at two ends of the lifting plate 2, a second sliding block 18 is fixedly connected to the other end of the third connecting rod 20, a sliding slot 19 is disposed inside the side column 3, and the second sliding block 18 is slidably connected to the inner side of the sliding slot 19.

Referring to fig. 4, the inside of the lifting plate 2 is fixedly connected with a second motor 21, the output end of the second motor 21 is fixedly connected with a fan 22, the second motor 21 is arranged on the inner side of the lifting plate 2, and the output end of the second motor 21 is fixedly connected with the fan 22, so that an additional heat dissipation means can be provided for the projector main body 4 when the projector main body 4 works, the bottom end of the lifting plate 2 is uniformly provided with air holes 23, heat can be dissipated, heat generated by long-time work of the projector main body is reduced, and the service life of the projector main body is prolonged.

Referring to fig. 4, a cushion block 24 is fixedly connected to the top end of the lifting plate 2, a projector main body 4 is disposed on the top end of the cushion block 24, and the projector main body 4 is disposed on the top end of the cushion block 24, so that the projector main body 4 is suspended in the air, and the heat dissipation capability of the projector main body is effectively improved.

Referring to fig. 4, the bottom end of the lifting plate 2 is uniformly provided with the air holes 23, and the blown heat can be discharged to the outside in time by the air holes 23 formed at the bottom end of the lifting plate 2, so as to avoid heat accumulation.

Referring to fig. 1 and 2, a top notch 5 is disposed above the projector main body 4, the width of the top notch 5 is greater than that of the projector main body 4, and the top notch 5 is disposed above the projector main body 4, so that the upward movement distance of the projector main body 4 can be increased more, and the lifting amplitude is increased.

The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings of the utility model, or the direct or indirect application in other related technical fields, are included in the patent protection scope of the utility model.

Claims

1. The utility model provides a projection arrangement for internet education, includes base (1), its characterized in that: the lifting device is characterized in that side columns (3) are fixedly connected to four corners of the top end of the base (1), a lifting plate (2) is arranged at the top end of the base (1), a first motor (6) and a motor base (7) are arranged inside the base (1), the bottom end of the motor base (7) is fixedly connected to the bottom end of the inside of the base (1), the first motor (6) is fixedly connected to the top end of the motor base (7), a gear (8) is fixedly connected to the output end of the first motor (6), a rack (9) is meshed and connected to the outer side of the gear (8), one end of the rack (9) is arranged on the outer side of the gear (8), a first connecting block (10) is fixedly connected to the other end of the rack (9), a first connecting rod (11) is fixedly connected to the top end of the first connecting block (10), and a first sliding block (12) is fixedly connected to the other end of the first connecting rod (11), the inside of base (1) sets up further and spanes and set up slide bar (13), two terminal all fixed second connecting blocks (14) that set up of slide bar (13), two the inboard at base (1) of the equal fixed connection of second connecting block (14), the top fixedly connected with fixed block (15) of first slider (12), the outside of fixed block (15) sets up second connecting rod (16), and with fixed block (15) rotate to be connected, the one end that fixed block (15) were kept away from in second connecting rod (16) rotates and is connected with third fixed block (17), the top fixed connection of third fixed block (17) is in the bottom of lifter plate (2).

2. A projection apparatus for internet education as claimed in claim 1, wherein: the both ends of lifter plate (2) are further fixed and are provided with third connecting rod (20), the other end fixedly connected with second slider (18) of third connecting rod (20), the inside of side post (3) is provided with spout (19), second slider (18) sliding connection is in the inboard of spout (19).

3. A projection apparatus for internet education as claimed in claim 1, wherein: the racks (9) on the two sides are respectively arranged on the upper side and the lower side of the gear (8).

4. A projection apparatus for internet education as claimed in claim 1, wherein: the inside fixedly connected with second motor (21) of lifter plate (2), the output fixedly connected with fan (22) of second motor (21).

5. A projection apparatus for internet education as claimed in claim 4, wherein: the top end of the lifting plate (2) is fixedly connected with a cushion block (24), and the top end of the cushion block (24) is provided with a projector main body (4).

6. A projection apparatus for internet education as claimed in claim 5, wherein: the bottom end of the lifting plate (2) is uniformly provided with air holes (23).

7. A projection apparatus for internet education as claimed in claim 5, wherein: a top notch (5) is arranged above the projector main body (4), and the width of the top notch (5) is larger than that of the projector main body (4).