CN218564882U

CN218564882U - On-line multimedia teaching equipment

Info

Publication number: CN218564882U
Application number: CN202222715388.6U
Authority: CN
Inventors: 黄娟; 赵华
Original assignee: Shanghai Dianji University
Current assignee: Shanghai Dianji University
Priority date: 2022-10-16
Filing date: 2022-10-16
Publication date: 2023-03-03
Anticipated expiration: 2032-10-16

Abstract

The utility model relates to an online teaching equipment technical field, solved the angle among the prior art and difficult to change, the projected angular range has the limitation when leading to online education, influences the problem that the whole of viewer watches the experience, specifically is an online multimedia teaching equipment, including quick-witted case and projection equipment, be equipped with the base on the quick-witted case, swing joint has the clamping part that is used for centre gripping projection equipment on the base, and is equipped with the regulation part that is used for adjusting projection equipment projection position in the quick-witted case; a rotating rod is rotatably arranged on the base, and a rotating disc is arranged at the rod end of the rotating rod. Through the movable rod and the bull stick that set up, the manual rotation hand wheel realizes the rotation of bull stick to the carousel that is in on the bull stick begins synchronous operation, and eccentric mounting is the connecting rod on the carousel can be because the reason of activity hub connection movable rod when the operation, thereby changes the clamping part and carries out the change in the angle, when teaching on line with this, satisfies viewer's whole and watches experience.

Description

On-line multimedia teaching equipment

Technical Field

The utility model relates to an online teaching equipment technical field specifically is an online multimedia teaching equipment.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and when the multimedia teaching device is actually used, the multimedia teaching device is needed for on-line education.

Through retrieval, the Chinese patent No. CN213982833U discloses a multimedia teaching device for online education, which relates to the technical field of online education devices and comprises a movable base and a teaching device main body, wherein the teaching device main body is installed at the top of the movable base, the teaching device main body comprises a top plate and a projection device, the projection device is arranged at the top of the top plate, the bottom of the projection device is fixedly connected with a fixed plate, the lower side of the fixed plate is fixedly connected with an electric push rod, the bottom end of the electric push rod is fixedly connected with the top plate, and four corners of the bottom of the projection device are respectively provided with a limiting mechanism; the installation cavity has been seted up to the inside of base, is provided with drive mechanism in the installation cavity.

In the above-mentioned scheme, the inventor finds that, when online education, the angle of projection equipment is difficult to change, and the angle scope of projection has the limitation when leading to online education, influences the whole viewing experience of viewer.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an online multimedia teaching equipment has solved the angle among the prior art and is difficult to change, and there is the limitation in the projected angular range when leading to online education, influences the whole problem of watching experience of viewer.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the on-line multimedia teaching equipment comprises a case and projection equipment, wherein a base is arranged on the case, a clamping part for clamping the projection equipment is movably connected onto the base, and an adjusting part for adjusting the projection position of the projection equipment is arranged in the case;

rotate on the base and be equipped with a bull stick, and the rod end of bull stick is equipped with the carousel, and eccentric mounting has the connecting rod on the disk body of carousel, all is connected with the movable rod through the loose axle between connecting rod and the clamping part, and the other end that the bull stick deviates from the carousel is equipped with the hand wheel, and is equipped with on the base and is used for restricting the spacing portion of bull stick pivoted.

Preferably, the clamping part is equipped with the chassis that is used for bearing projection equipment including swing joint's fixed plate on the base on the fixed plate, and the both sides wall of fixed plate has all seted up a plurality of through-holes, all is equipped with the pressure spring in the through-hole, and the other end of pressure spring is connected with the inserted bar, and a plurality of inserted bars with one side have all set firmly the grip block.

Preferably, the regulating part comprises a jacking piece in the case, the free end of the jacking piece is provided with a rotating rod through a bearing in a rotating manner, and the top end of the rotating rod penetrates through the top of the case and is arranged at the bottom of the base.

Preferably, a rotating cylinder is arranged on the rod body of the rotating rod, carved teeth are distributed on the rotating cylinder in an annular mode, the rotating cylinder is meshed with a gear, and the gear is in driving connection through a driving device located in the case.

Preferably, the limiting part comprises a mounting plate positioned on the base and a plurality of limiting holes annularly formed in the rotating rod, and the mounting plate is connected with limiting bolts matched with the limiting holes in a threaded mode.

Preferably, the opposite sides of the two clamping plates are provided with notches.

Preferably, the jacking piece is an electric push rod.

(III) advantageous effects

Compared with the prior art, the utility model provides an online multimedia teaching equipment possesses following beneficial effect:

1. through the movable rod and the bull stick that set up, the manual rotation hand wheel realizes the rotation of bull stick to the carousel that is in on the bull stick begins synchronous operation, and eccentric mounting is the connecting rod on the carousel can be because the reason of activity hub connection movable rod when the operation, thereby changes the clamping part and carries out the change in the angle, when teaching on line with this, satisfies viewer's whole and watches experience.

2. Through the regulation part that sets up, when jacking piece operation, the accessible jacking dwang realizes the whole lift of base, and the projection equipment of being convenient for carries out the projection on the co-altitude and uses, and the drive arrangement of cooperation quick-witted incasement portion makes the gear begin to rotate simultaneously, and gear and rotary drum meshing realize that the base rotates, satisfy projection equipment and carry out the multiple range projection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic view of the southwest axis of the present invention;

fig. 2 is a schematic view of the southeast axle of the present invention;

FIG. 3 is a schematic view of the partial sectional structure of the present invention;

FIG. 4 is a schematic view of a partially separated structure of the clamping portion of the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 2 according to the present invention.

In the figure: 1. a chassis; 2. a base; 3. a clamping portion; 301. a fixing plate; 302. a chassis; 303. a rod is inserted; 304. a pressure spring; 305. a clamping plate; 4. a projection device; 5. a rotating rod; 6. a turntable; 7. a connecting rod; 8. a movable rod; 9. an adjustment section; 901. a jacking piece; 902. rotating the rod; 903. a rotating drum; 904. a gear; 10. a limiting part; 1001. a limiting hole; 1002. mounting a plate; 1003. and a limiting bolt.

Detailed Description

The embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present application can be fully understood and implemented.

Fig. 1-5 are the utility model discloses an embodiment, an online multimedia teaching equipment, including quick-witted case 1 and projection equipment 4, be equipped with base 2 on the quick-witted case 1, base 2 is formed by bottom plate and two curb plate combinations, and swing joint has the clamping part 3 that is used for centre gripping projection equipment 4 on the base 2, clamping part 3 passes through the loose axle and connects between two curb plates of base 2 to this possesses the function that can carry out the change in the angle, and is equipped with the regulating part 9 that is used for adjusting 4 projection position of projection equipment in the quick-witted case 1, regulating part 9 can carry out the change in 4 projection height of projection equipment and the rotation angle.

It should be noted that, referring to fig. 2, a rotating rod 5 is rotatably disposed on the base 2, the rotating rod 5 is disposed on a side plate of the base 2, a rotary table 6 is disposed at a rod end of the rotating rod 5, a connecting rod 7 is eccentrically disposed on a table body of the rotary table 6, a movable rod 8 is connected between the connecting rod 7 and the clamping portion 3 through a movable shaft, so that when the rotating rod 5 rotates, the movable rod 8 can be made to change an angle on the clamping portion 3 through operation of the movable shaft, the other end of the rotating rod 5 departing from the rotary table 6 is provided with a hand wheel, a limiting portion 10 for limiting rotation of the rotating rod 5 is disposed on the base 2, and rotation of the rotating rod 5 is limited through operation of the limiting portion 10.

It should be noted that, referring to fig. 5, the limiting portion 10 includes an installation plate 1002 on the base 2 and a plurality of limiting holes 1001 annularly formed on the rotating rod 5, the installation plate 1002 is located above the rotating rod 5, and a limiting bolt 1003 used in cooperation with the plurality of limiting holes 1001 is connected to the installation plate 1002 through a thread, after the rotating rod 5 rotates to a certain position, the limiting bolt 1003 is driven to descend by rotating the limiting bolt 1003, so that the rotating rod is clamped into the corresponding limiting hole 1001, and the use of limiting the rotating rod 5 by rotating is realized.

It should be noted that, referring to fig. 4, the clamping portion 3 includes a fixed plate 301 movably connected to the base 2, the fixed plate 301 is installed on two side plates of the base 2 through a movable shaft, and a bottom frame 302 for bearing the projection device 4 is provided on the fixed plate 301, the bottom frame 302 is in an "L" shape, so as to achieve the purpose of bearing the projection device 4, a plurality of through holes are provided on two side walls of the fixed plate 301, the number of the through holes on each side is at least two, and a pressure spring 304 is provided in each through hole, the other end of the pressure spring 304 is connected to an insertion rod 303, a plurality of insertion rods 303 on the same side are provided with clamping plates 305, facing sides of the two clamping plates 305 are provided with grooves, so as to increase friction force between the clamping plates and the projection device 4, the pressure spring 304 is made to stretch by pulling the clamping plates 305, thereby satisfying the purpose of clamping the two clamping plates to clamp the projection device 4, and achieving clamping stability of the projection device 4.

It should be noted that, referring to fig. 3, the adjusting portion 9 includes the jacking piece 901 that is in the machine case 1, wherein the jacking piece 901 is electric putter, the free end of jacking piece 901 rotates through the bearing and is equipped with dwang 902, with this rotatability of dwang 902 is guaranteed, and the top of dwang 902 runs through the top of machine case 1 and installs in the bottom of base 2, through the operation of jacking piece 901, with this operation that can realize jacking dwang 902, thereby be convenient for projection equipment 4 can satisfy the projection use to unnecessary height, make things convenient for observer's viewing experience.

Further, a rotating cylinder 903 is arranged on the rod body of the rotating rod 902, carving teeth are annularly distributed on the rotating cylinder 903, the rotating cylinder 903 is meshed with a gear 904, the gear 904 is in driving connection with a driving device in the case 1, the driving device is a servo motor, when the driving device drives the gear 904, the gear 904 rotates, the gear 904 is meshed with the rotating cylinder 903, the purpose that the rotating rod 902 rotates the base 2 is achieved, and the application range of projection is improved.

When the projection equipment works, the projection equipment 4 is placed on the bottom frame 302, at the moment, the clamping plates 305 are pulled to enable the compression spring 304 to stretch, so that the two clamping plates 305 are used for clamping the projection equipment 4, the clamping stability of the projection equipment 4 is achieved, at the moment, the rotation of the rotating rod 5 is achieved by manually rotating the hand wheel, the rotating disk 6 on the rotating rod 5 starts to run synchronously, the connecting rod 7 eccentrically installed on the rotating disk 6 is connected with the moving rod 8 due to the movable shaft during running, so that the clamping part 3 is changed to change the angle, when online teaching is performed, the whole viewing experience of a viewer is met, synchronously, the limiting bolt 1003 is rotated to enable the limiting bolt 1003 to descend, so that the connecting rod is clamped into the corresponding limiting hole 1001, the rotating use of the rotating rod 5 is limited, after the angle adjustment is completed, the operation of the jacking piece 901 can be used for jacking the rotating rod 902, so that the projection equipment 4 can meet the use of different heights, at the height change is achieved at the moment, when the driving device is driven, the rotation of the gear 904 is rotated, the rotation of the gear 904 is meshed with the rotating rod, and the rotation angle of the rotating rod 902 is achieved, and the whole projection equipment is used for achieving the purpose of the rotation of the rotating drum 903, and the projection equipment, and the whole projection equipment is changed.

The utility model discloses a control mode is through controller come automatic control, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the providing of power also belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an online multimedia teaching equipment, includes quick-witted case (1) and projection equipment (4), its characterized in that: a base (2) is arranged on the case (1), a clamping part (3) for clamping the projection equipment (4) is movably connected to the base (2), and an adjusting part (9) for adjusting the projection position of the projection equipment (4) is arranged in the case (1);

base (2) are gone up to rotate and are equipped with a bull stick (5), and the rod end of bull stick (5) is equipped with carousel (6), eccentric mounting has connecting rod (7) on the disk body of carousel (6), all be connected with movable rod (8) through the loose axle between connecting rod (7) and clamping part (3), the other end that bull stick (5) deviates from carousel (6) is equipped with the hand wheel, and be equipped with on base (2) and be used for restricting bull stick (5) pivoted spacing portion (10).

2. An online multimedia teaching apparatus as claimed in claim 1, wherein: clamping part (3) are equipped with chassis (302) that are used for bearing projection equipment (4) including fixed plate (301) of swing joint on base (2) on fixed plate (301), and a plurality of through-holes have all been seted up to the both sides wall of fixed plate (301), all are equipped with pressure spring (304) in the through-hole, and the other end of pressure spring (304) is connected with inserted bar (303), and a plurality of inserted bars (303) with one side have all set firmly grip block (305).

3. An online multimedia teaching apparatus as claimed in claim 1, wherein: the adjusting part (9) comprises a jacking piece (901) positioned in the case (1), the free end of the jacking piece (901) is provided with a rotating rod (902) through a bearing in a rotating mode, and the top end of the rotating rod (902) penetrates through the top of the case (1) and is installed at the bottom of the base (2).

4. An online multimedia teaching apparatus according to claim 3, wherein: the rotating rod is characterized in that a rotating cylinder (903) is arranged on the rod body of the rotating rod (902), carved teeth are annularly distributed on the rotating cylinder (903), the rotating cylinder (903) is meshed with a gear (904), and the gear (904) is in driving connection through a driving device in the case (1).

5. An online multimedia teaching device according to claim 1, wherein: the limiting part (10) comprises a mounting plate (1002) on the base (2) and a plurality of limiting holes (1001) which are annularly formed in the rotating rod (5), and limiting bolts (1003) which are matched with the limiting holes (1001) for use are connected to the mounting plate (1002) in a threaded mode.

6. An online multimedia teaching device according to claim 2, wherein: the opposite sides of the two clamping plates (305) are provided with notches.

7. An online multimedia teaching device according to claim 3, wherein: the jacking piece (901) is an electric push rod.