CN211528899U

CN211528899U - Digital media teaching device

Info

Publication number: CN211528899U
Application number: CN202020485447.3U
Authority: CN
Inventors: 吴锐
Original assignee: Anhui Technical College Of Industry And Economy
Current assignee: Anhui Technical College Of Industry And Economy
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-09-18
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a digital media teaching device, including the projecting apparatus to and be used for installing the installation mechanism of projecting apparatus, installation mechanism includes roof, framework, lead screw, movable block, knob, pole setting, cavity loop bar, bolt, horizontal swivel, vertical swivel and bottom plate. Projecting apparatus about not only can adjusting, throws the angle from top to bottom in this digital media teaching device, can also adjust the upper and lower height of projecting apparatus, front and back projection distance as required, makes the position of projecting apparatus itself adjustable, and it is more convenient to use like this, can adapt to more teaching environment.

Description

Digital media teaching device

Technical Field

The utility model relates to a teaching equipment field, concretely relates to digital media teaching device.

Background

In all teaching processes, traditional blackboard writing teaching is abandoned gradually, a large number of digital media devices are adopted, namely, in the teaching process, a teacher projects contents to be explained onto a projection curtain through a computer, a projector and a projection curtain device.

When the projector in the digital media teaching device is used, the projection angle and position need to be adjusted, however, the existing projector can only adjust the up-down inclination angle or the left-right inclination angle after being installed and fixed, and cannot adjust the projection position. Therefore, a digital media teaching device capable of adjusting the projection distance of the projector is needed to be designed, so that the digital media teaching device can better serve teaching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digital media teaching device, it has solved the problem that the projecting apparatus can not adjust the projection distance among the traditional digital media teaching device.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a digital media teaching device comprises a projector and an installation mechanism for installing the projector, wherein the installation mechanism comprises a top plate, a frame body, a lead screw, a moving block, a knob, a vertical rod, a hollow loop bar, a bolt, a horizontal rotating joint, a vertical rotating joint and a bottom plate;

the top plate is used for being installed on a wall body, the bottom surface at the top plate is established to the framework, the lead screw level run through the framework and with framework swing joint, the movable block is located the framework, and movable block and lead screw thread fit are connected, the knob is established at the outer tip of lead screw, the pole setting is connected in the bottom surface of movable block, and the pole setting side has evenly spaced a plurality of jack along a vertical line, the outside at the pole setting is cup jointed to the cavity loop bar, and cavity loop bar side is opened has a jack, the bolt passes the jack of cavity loop bar and inserts in one of them jack in the pole setting, realizes that cavity loop bar is connected with the pole setting, the bottom at the cavity loop bar is connected to the horizontal swivel, the bottom at the horizontal swivel is connected to the vertical swivel, the bottom surface of bottom plate is connected in the bottom of vertical swivel, and.

The further improvement lies in that a plurality of bolt holes are formed in the top plate and the bottom plate.

The improved structure of the horizontal rotating joint is characterized in that the horizontal rotating joint is composed of an upper plate body, an upper cylinder, a lower plate body and a lower cylinder, the upper plate body and the upper cylinder are integrally formed, protruding columns are formed at the bottom of the upper cylinder, the lower plate body and the lower cylinder are integrally formed, grooves are formed in the tops of the lower cylinder, the protruding columns are inserted into the grooves, and the upper cylinder and the lower cylinder are rotatably connected.

The improved structure is characterized in that the vertical rotary joint is composed of an upper rod body, a rotary shaft and a lower rod body, a movable groove is formed in the bottom of the upper rod body, the rotary shaft is transversely arranged in the movable groove, the top of the lower rod body extends into the movable groove and is movably connected with the rotary shaft, and the upper rod body and the lower rod body are rotatably connected.

The beneficial effects of the utility model reside in that: projecting apparatus about not only can adjusting, throws the angle from top to bottom in this digital media teaching device, can also adjust the upper and lower height of projecting apparatus, front and back projection distance as required, makes the position of projecting apparatus itself adjustable, and it is more convenient to use like this, can adapt to more teaching environment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a vertical swivel;

in the figure: 1. a projector; 2. a top plate; 3. a frame body; 4. a screw rod; 5. a moving block; 6. a knob; 7. erecting a rod; 8. a hollow loop bar; 9. a bolt; 10. a horizontal rotation joint; 101. an upper plate body; 102. an upper column; 103. a lower plate body; 104. a lower column; 105. a protruding column; 106. a groove; 11. a vertical swivel; 111. a rod body is arranged; 112. a rotating shaft; 113. a lower rod body; 114. a movable groove; 12. a base plate; 13. a jack; 14. bolt holes.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 and 2, a digital media teaching device includes a projector 1, the projector 1 is connected to a computer, and further includes a mounting mechanism for mounting the projector 1, the mounting mechanism includes a top plate 2, a frame 3, a lead screw 4, a moving block 5, a knob 6, a vertical rod 7, a hollow loop bar 8, a plug pin 9, a horizontal rotating joint 10, a vertical rotating joint 11, and a bottom plate 12;

wherein the top plate 2 is used for being installed on a wall body, the frame body 3 is arranged on the bottom surface of the top plate 2, the screw rod 4 horizontally penetrates through the frame body 3 and is movably connected with the frame body 3, the moving block 5 is positioned in the frame body 3, and movable block 5 is connected with 4 screw-thread fit of lead screw, knob 6 is established at the outer tip of lead screw 4, pole setting 7 is connected in the bottom surface of movable block 5, pole setting 7 side has evenly spaced apart a plurality of jack 13 along a vertical line, cavity loop bar 8 cup joints the outside at pole setting 7, cavity loop bar 8 side is opened has a jack 13, bolt 9 passes in jack 13 of cavity loop bar 8 and inserts in one of them jack 13 on pole setting 7, realize being connected of cavity loop bar 8 and pole setting 7, horizontal swivel 10 is connected in the bottom of cavity loop bar 8, vertical swivel 11 is connected in the bottom of horizontal swivel 10, bottom plate 12 is connected in the bottom of vertical swivel 11, the bottom surface of bottom plate 12 is used for installing projecting apparatus 1.

A plurality of bolt holes 14 are formed in the top plate 2 and the bottom plate 12, the top plate 2 is installed on a top wall through bolts, and the bottom plate 12 is used for installing and fixing the projector 1 through bolts.

Specifically, the horizontal rotary joint 10 is composed of an upper plate 101, an upper cylinder 102, a lower plate 103 and a lower cylinder 104, the upper plate 101 and the upper cylinder 102 are integrally formed, a protruding column 105 is formed at the bottom of the upper cylinder 102, the lower plate 103 and the lower cylinder 104 are integrally formed, a groove 106 is formed at the top of the lower cylinder 104, and the protruding column 105 is inserted into the groove 106, so that the upper cylinder 102 and the lower cylinder 104 can be rotatably connected.

The vertical rotary joint 11 is composed of an upper rod body 111, a rotary shaft 112 and a lower rod body 113, wherein a movable groove 114 is formed in the bottom of the upper rod body 111, the rotary shaft 112 is transversely arranged in the movable groove 114, and the top of the lower rod body 113 extends into the movable groove 114 and is movably connected with the rotary shaft 112, so that the upper rod body 111 and the lower rod body 113 can be rotatably connected.

When the utility model is used, the projector 1 is suspended on the top of the wall through the mounting mechanism, and when the front and back positions (the projection distance) need to be adjusted, the screw rod 4 can be driven to rotate through rotating the knob 6, so that the moving block 5 moves back and forth in the frame body 3, thereby the whole front and back movement adjustment of the projector 1 is realized, the adjustment process is stable, and the condition of quick movement cannot occur; when the up-down position needs to be adjusted, the projector 1 can be firstly supported by hands, the bolt 9 is drawn out, the hollow loop bar 8 is moved up and down, and then the bolt 9 is inserted into the jack 13 of the higher or lower upright post 7, so that the adjustment of the whole height of the projector 1 is realized; when the left and right projection angles need to be adjusted, the parts below the lower column 104 are horizontally rotated; when the up-down projection angle needs to be adjusted, the components below the lower rod body 113 can be vertically rotated.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A digital media teaching device comprising a projector (1), and a mounting mechanism for mounting the projector (1), characterized in that: the mounting mechanism comprises a top plate (2), a frame body (3), a lead screw (4), a moving block (5), a knob (6), an upright rod (7), a hollow loop bar (8), a bolt (9), a horizontal rotating joint (10), a vertical rotating joint (11) and a bottom plate (12);

the top plate (2) is used for being installed on a wall body, the frame body (3) is arranged on the bottom surface of the top plate (2), the lead screw (4) horizontally penetrates through the frame body (3) and is movably connected with the frame body (3), the moving block (5) is located in the frame body (3), the moving block (5) is in threaded fit connection with the lead screw (4), the knob (6) is arranged at the outer end of the lead screw (4), the upright rod (7) is connected to the bottom surface of the moving block (5), a plurality of insertion holes (13) are uniformly formed in the side edge of the upright rod (7) along a vertical line at intervals, the hollow loop rod (8) is sleeved outside the upright rod (7), an insertion hole (13) is formed in the side edge of the hollow loop rod (8), the plug pin (9) penetrates through the insertion hole (13) of the hollow loop rod (8) and is inserted into one insertion hole (13) in the upright rod (7), and connection of the hollow loop rod (8, the bottom at cavity loop bar (8) is connected in horizontal rotation festival (10), the bottom at horizontal rotation festival (10) is connected in vertical rotation festival (11), the bottom at vertical rotation festival (11) is connected in bottom plate (12), and the bottom surface of bottom plate (12) is used for installing projecting apparatus (1).

2. A digital media teaching device according to claim 1, wherein: and a plurality of bolt holes (14) are formed in the top plate (2) and the bottom plate (12).

3. A digital media teaching device according to claim 1, wherein: horizontal rotation festival (10) comprises last plate body (101), last cylinder (102), lower plate body (103) and lower cylinder (104), go up plate body (101) and last cylinder (102) integrated into one piece, and the bottom of going up cylinder (102) is formed with abrupt post (105), plate body (103) and lower cylinder (104) integrated into one piece down, and the top of cylinder (104) is formed with recess (106) down, in abrupt post (105) inserted recess (106), realize going up cylinder (102) and lower cylinder (104) rotatable coupling.

4. A digital media teaching device according to claim 1, wherein: vertical swivel (11) comprises last body of rod (111), pivot (112), the lower body of rod (113), open the bottom of going up body of rod (111) has movable groove (114), pivot (112) are transversely established in movable groove (114), the top of the lower body of rod (113) stretch into in movable groove (114) and with pivot (112) swing joint, realize going up body of rod (111) and lower body of rod (113) rotatable coupling.