CN215807517U

CN215807517U - Based on teacher's teaching is with adjustable projection equipment

Info

Publication number: CN215807517U
Application number: CN202122350796.1U
Authority: CN
Inventors: 尹文琴; 石庚生; 刘毅
Original assignee: Jiangsu College of Nursing
Current assignee: Jiangsu College of Nursing
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-02-11
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to the field of projection equipment, and discloses adjustable projection equipment for teacher teaching, which comprises an adjusting box, wherein a height adjusting assembly is arranged on the inner side of the adjusting box, an angle adjusting assembly is arranged at the top end of the adjusting box, a projector is arranged at the top end of the angle adjusting assembly, the angle adjusting assembly comprises a cavity box, a first gear is arranged at one side position inside the cavity box, a second motor is fixedly arranged at one side of the bottom end of the cavity box, one end of an output shaft of the second motor is fixedly connected to the middle part of the bottom end of the first gear, one side of the first gear is meshed with a second gear, a movable rod is fixedly arranged at one side of the upper surface of the second gear, one end of the movable rod is rotatably connected with a hinge rod, and the upper surface of one end of the hinge rod is rotatably connected with an angle moving rod. According to the utility model, the projection setting is adjusted in angle, and when the projection is changed in position, the projection can be performed through the adjustment in angle.

Description

Based on teacher's teaching is with adjustable projection equipment

Technical Field

The utility model relates to the technical field of projection equipment, in particular to adjustable projection equipment for teacher teaching.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.

However, the current adjustable projection device based on teacher teaching has the following defects:

1. the existing projector can not adjust the angle when in use, and the position of the projector is asymmetric with a projection screen when in putting even if the projector can slightly shift;

2. when the projector is used, the height of the projector is fixed, so that a teacher cannot adjust the height of the projector when the projector is used, and the study time of students is delayed.

In response to this situation, those skilled in the art have provided an adjustable projection device for teacher-based teaching.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide adjustable projection equipment for teacher teaching, which aims to solve the problem that the height and the angle of a projector provided in the background art can be adjusted in multiple directions during use.

In order to achieve the purpose, the utility model provides the following technical scheme:

the adjustable projection equipment for teacher teaching comprises an adjusting box and is characterized in that a height adjusting assembly is mounted on the inner side of the adjusting box, an angle adjusting assembly is arranged at the top end of the adjusting box, and a projector is arranged at the top end of the angle adjusting assembly;

the angle adjusting component comprises a cavity box, a first gear is arranged at one side of the inside of the cavity box, a second motor is fixedly mounted at one side of the bottom end of the cavity box, one end of one output shaft of the second motor is fixedly connected to the middle of the bottom end of the first gear, a second gear is meshed with one side of the first gear, a movable rod is fixedly mounted at one side of the upper surface of the second gear, one end of the movable rod is rotatably connected with a hinge rod, and one end of the hinge rod is rotatably connected with an angle moving rod.

As a still further scheme of the utility model: one side of the bottom end of the projector is hinged to one side of the top end of the cavity box, and the top end of the angle moving rod is rotatably connected to the other side of the projector.

As a still further scheme of the utility model: the movable hole has been seted up to cavity case one end, and cavity case one end is run through in the activity of activity hole activity to hinge bar one end, and the activity hole width is greater than the hinge bar width.

As a still further scheme of the utility model: the height adjusting assembly comprises a connecting rod, the bottom end of the connecting rod movably penetrates through the top end of the adjusting box, a first motor is fixedly mounted at the bottom of the adjusting box, a first motor output shaft is fixedly connected with a lead screw, a movable sleeve is sleeved on the outer side of the lead screw through threads, and a fixed block is fixedly connected with one end of the movable sleeve.

As a still further scheme of the utility model: one side fixed connection of fixed block is in the side bottom of connecting rod, and the lead screw is located the regulating box inboard, and the activity of lead screw bottom runs through the inboard bottom of regulating box, connecting rod top fixed connection in cavity bottom of the case.

As a still further scheme of the utility model: a plurality of foot rests are installed at the bottom end of the adjusting box.

As a still further scheme of the utility model: the upper surface of projecting apparatus is equipped with the regulator, and the upper surface of projecting apparatus is close to the position department directly over the regulator and is equipped with the jack, and the front surface of projecting apparatus is equipped with light source sensor.

The utility model has the beneficial effects that:

1. the adjustable projection equipment for teacher teaching is used for angularly adjusting projection setting according to requirements of teachers when in use, and when the projection setting is not used for a long time, the projection and the projection screen can be adjusted in angle to be in a suitable position when the position is changed due to other factors;

2. this adjustable projection equipment is used in mr teaching utilizes the altitude mixture control subassembly that sets up, makes the projection setting can carry out the removal between from top to bottom according to user's demand, satisfies user's demand.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic plan view of an adjustable projection device for teacher teaching;

FIG. 2 is a schematic plan view of the angle adjustment assembly of FIG. 1;

FIG. 3 is a schematic plan view of the height adjustment assembly of FIG. 1;

figure 4 is a perspective view of the tripod of figure 1 in its entirety.

In the figure: 1. a height adjustment assembly; 101. a first motor; 102. a screw rod; 103. a movable sleeve; 104. a connecting rod; 105. a fixed block; 2. a foot rest; 3. an angle adjustment assembly; 31. a cavity box; 32. a first gear; 33. a second gear; 34. a second motor; 35. a movable rod; 36. a hinged lever; 37. an angle moving rod; 4. a projector; 5. a regulator; 6. a light source sensor; 7. a jack; 8. and (4) an adjusting box.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and with reference to fig. 1 to 4, the embodiment of the present invention is as follows:

in fig. 1, 2, 3 and 4: the utility model provides an adjustable projection equipment for teaching based on mr includes regulating box 8, altitude mixture control subassembly 1 is installed to 8 inboards of regulating box, 8 tops of regulating box are equipped with

angle adjusting subassembly

3, 3 tops of angle adjusting subassembly are equipped with projecting apparatus 4, angle adjusting subassembly 3 is including cavity case 31, inside one side position department of cavity case 31 is equipped with first gear 32, cavity case 31 bottom one side fixed mounting has motor two 34, and motor two 34 output shaft one end fixed connection is in first gear 32 bottom middle part, one side meshing of first gear 32 is connected with second gear 33, second gear 33 upper surface one side fixed mounting has movable rod 35, the one end of movable rod 35 is rotated and is connected with articulated pole 36, the one end upper surface of articulated pole 36 is rotated and is connected with angle movable rod 37.

As a still further scheme of the utility model: one side of the bottom end of the projector 4 is hinged to one side of the top end of the cavity box 31, and the top end of the angle moving rod 37 is rotatably connected to the other side of the projector 4.

As a still further scheme of the utility model: movable holes are formed in one end of the cavity box 31, one end of the hinge rod 36 penetrates through one end of the cavity box 31 through the movable holes, and the width of each movable hole is larger than that of the hinge rod 36.

In fig. 1, 2, 3 and 4: 4 bottom one side of projecting apparatus articulates in cavity case 31 top one side, the top of angle movable rod 37 is rotated and is connected in the opposite side of projecting apparatus 4, the movable hole has been seted up to cavity case 31 one end, 36 one end of hinge bar runs through cavity case 31 one end through the activity of movable hole activity, and the movable hole width is greater than the 36 widths of hinge bar, height adjusting subassembly 1 includes connecting rod 104, connecting rod 104 bottom activity runs through 8 tops of regulating box, 8 bottom fixed mounting of regulating box have motor 101, motor 101 output shaft one end fixedly connected with lead screw 102, the movable sleeve 103 has been cup jointed through the screw thread in the lead screw 102 outside, movable sleeve 103 one end fixedly connected with fixed block 105.

In fig. 1, 2, 3 and 4: one side fixed connection of fixed block 105 is in the side bottom of connecting rod 104, lead screw 102 is located regulating box 8 inboardly, and the activity of lead screw 102 bottom runs through the inboard bottom of regulating box 8, connecting rod 104 top fixed connection is in cavity case 31 bottom, a plurality of foot rests 2 are installed to the 8 bottom of regulating box, the upper surface of projecting apparatus 4 is equipped with regulator 5, the upper surface of projecting apparatus 4 is close to regulator 5 and locates to be equipped with jack 7 directly over, the front surface of projecting apparatus 4 is equipped with light source sensor 6.

The working principle of the utility model is as follows: when in use, the foot rest 2 is fixed on a desktop, the height adjusting component 1 in the adjusting box 8 on the foot rest 2 adjusts the height, the motor I101 drives the screw rod 102 to rotate when rotating, the movable sleeve 103 and the fixed block 105 on the screw rod 102 drive the connecting rod 104 to move up and down, thereby achieving the adjustment of the height of the projector 4, then the angle adjusting component 3 is arranged to adjust the angle of the projector 4, the second motor 34 in the cavity box 31 drives the first gear 32 to rotate when rotating, the first gear 32 is meshed with the second gear 33, the second gear 33 enables the movable rod 35 to operate when rotating, the movable rod 35 drives the hinge rod 36 to move in position, the angular movement of the lever 37 causes a slight rotational movement of the projector 4 when the hinge lever 36 is moved, and finally allows the projector 4 to be moved up and down and adjusted in angle when in use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The adjustable projection equipment for teacher teaching comprises an adjusting box (8) and is characterized in that a height adjusting assembly (1) is mounted on the inner side of the adjusting box (8), an angle adjusting assembly (3) is arranged at the top end of the adjusting box (8), and a projector (4) is arranged at the top end of the angle adjusting assembly (3);

angle adjusting part (3) are including cavity case (31), inside one side position department of cavity case (31) is equipped with first gear (32), cavity case (31) bottom one side fixed mounting has motor two (34), and motor two (34) output shaft one end fixed connection in first gear (32) bottom middle part, one side meshing of first gear (32) is connected with second gear (33), second gear (33) upper surface one side fixed mounting has movable rod (35), the one end rotation of movable rod (35) is connected with hinge bar (36), the one end upper surface rotation of hinge bar (36) is connected with angle movable rod (37).

2. The adjustable projection device for teacher-based teaching according to claim 1, wherein one side of the bottom end of the projector (4) is hinged to one side of the top end of the cavity box (31), and the top end of the angle moving rod (37) is rotatably connected to the other side of the projector (4).

3. The adjustable projection device for teacher teaching according to claim 1, wherein a movable hole is formed at one end of the cavity box (31), one end of the hinge rod (36) movably penetrates through one end of the cavity box (31) through the movable hole, and the width of the movable hole is greater than that of the hinge rod (36).

4. The adjustable projection device for teacher teaching according to claim 3, wherein the height adjusting assembly (1) comprises a connecting rod (104), the bottom end of the connecting rod (104) movably penetrates through the top end of the adjusting box (8), a first motor (101) is fixedly installed at the bottom of the adjusting box (8), one end of an output shaft of the first motor (101) is fixedly connected with a lead screw (102), a movable sleeve (103) is sleeved on the outer side of the lead screw (102) through a thread, and a fixed block (105) is fixedly connected to one end of the movable sleeve (103).

5. The adjustable projection device for teacher teaching according to claim 4, wherein one side of the fixing block (105) is fixedly connected to the bottom of the side surface of the connecting rod (104), the screw rod (102) is located inside the adjusting box (8), the bottom end of the screw rod (102) movably penetrates through the bottom end of the inside of the adjusting box (8), and the top end of the connecting rod (104) is fixedly connected to the bottom end of the cavity box (31).

6. Adjustable projection equipment for teacher-based teaching according to claim 1, wherein a plurality of foot stands (2) are installed at the bottom end of the adjusting box (8).

7. The adjustable projection device for teacher teaching according to claim 1, wherein the regulator (5) is disposed on the upper surface of the projector (4), the insertion hole (7) is disposed on the upper surface of the projector (4) at a position right above the regulator (5), and the light source sensor (6) is disposed on the front surface of the projector (4).