CN218181307U

CN218181307U - Projection type light display equipment for education

Info

Publication number: CN218181307U
Application number: CN202222228772.3U
Authority: CN
Inventors: 李红兵
Original assignee: Pingliang Vocational & Technical College
Current assignee: Pingliang Vocational & Technical College
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-12-30
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a projection type light display equipment for education, which comprises a shell and a projection module, and further comprises a belt lifting device, wherein the belt lifting device comprises a pull rod, a handle, a baffle and a connecting rod, and can cover a round hole at the front end of the shell through the baffle at the middle part of the pull rod, so as to prevent dust from entering and damaging a lens of the projection module, thereby protecting the projection module, and combining the handles at the upper side and the lower side of the shell, so that the projection type light display equipment can be carried by one hand through the handles, and is convenient to carry; the telescoping device includes protecting crust, first slide, second slide, dogtooth, dials board and supporting shoe, can make the supporting shoe fixed through the cooperation of dogtooth and jack groove to support this projection formula light display device, then realize the removal of second slide through the second spring, thereby make first slide and second slide can stretch out and draw back, thereby adjust this projection formula light display device's angle, make it adapt to and use the scene.

Description

Education is with projection formula light display device

Technical Field

The utility model relates to a projection show field especially relates to a projection formula light display device for education.

Background

During modern education and teaching, the mode of multimedia teaching often need to be used, but not all teaching places all are equipped with corresponding equipment, so just need use mobilizable projection formula light display equipment to teach, but current projection formula light display equipment all needs both hands to carry, it is very inconvenient, secondly current projection formula light display equipment often needs smooth plane when placing, just enable its normal work, and current projection formula light display equipment can't carry out the self-regulation, poor to using scene adaptability, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims to provide a projection type light display equipment is used in education, this projection type light display equipment is used in education can drive the projection module through the pull rod and accomodate to protect, and carry out the one-hand transport through the handle that is equipped with on the pull rod, portable, and can carry out the regulation of angle through the telescoping device, make this projection type light display equipment can adapt to the use scene better.

The utility model provides a projection formula light display device is used in education, this projection formula light display device includes shell and projection module, projection module both sides are equipped with the mounting panel, the mounting panel both ends are equipped with the pulley, the middle part is equipped with the projection, the top both sides are equipped with first slide rail in the shell, the below both sides are equipped with the second slide rail, pulley slidable mounting is between first slide rail and second slide rail, the shell front end is opened there is the round hole, the camera lens that makes the projection module can stretch out and carry out the projection, open the rear end has the through wires hole, a external power supply is connected to the messenger projection module, this projection formula light display device still includes: the lifting belt devices arranged on the upper side and the lower side of the shell can control the projection module to move back and forth, and the projection type lamplight display equipment can be carried by one hand; the telescopic devices arranged on the two sides of the shell can adjust the angle of the projection type light display equipment, so that the projection type light display equipment can adapt to the use scene.

Further, carry the belting and include pull rod, handle, baffle and connecting rod, both sides about the pull rod rotary type is equipped with the shell, and the pull rod front end is equipped with the handle, and both sides handle opposite face is equipped with the permanent magnet that can attract each other, and the pull rod rear end is equipped with the connecting rod, opens on the connecting rod and has the spout and overlap on the projection, staggers inside and outside the connecting rod of upper and lower both sides pull rod rear end.

Furthermore, a baffle is arranged in the middle of the pull rod and located in front of the circular hole in the front end of the shell, and a sealing sheet is fixed behind the baffle, so that the circular hole in the front end of the shell can be covered after the baffles on the two sides are combined, and dust is prevented from entering the lens damaging the projection module.

Furthermore, the second slide rail outside is equipped with the ball that removes through first spring, and the terminal inboard of the pull rod that is located the inboard is opened has and corresponds the card pearl groove with the ball, can rotate the expansion back at the pull rod and carry out spacing fixed through ball and card pearl groove to the pull rod.

Further, the telescoping device includes protecting crust, first slide, second slide, dogtooth, dials board and supporting shoe, and the protecting crust is fixed in the both sides of shell, and first slide and second slide slidable mounting are between protecting crust and shell, and the first slide side of second slide slidable mounting is connected with the second spring, and first slide and second slide below rotary type are equipped with the supporting shoe, and the supporting shoe below is equipped with anti-skidding groove.

Furthermore, the second sliding plate is provided with convex teeth facing the outer shell, the outer shell is provided with corresponding uniformly distributed tooth clamping grooves, and the lower end of the second sliding plate is fixed with a shifting plate for shifting the second sliding plate.

Has the beneficial effects that:

1. the pull rod middle part is equipped with the baffle, and the baffle is located shell front end circular hole the place ahead, and the baffle rear is fixed with the gasket, can cover shell front end circular hole after making both sides baffle merge, prevents that the dust from getting into the camera lens that damages the projection module to protect the projection module.

2. The pull rod rotary type is equipped with both sides about the shell, and the pull rod front end is equipped with the handle, and both sides handle opposite face is equipped with the permanent magnet that can inter attraction, and the handle through both sides combines about the shell, makes this projection formula light display device can carry out one-hand transport, portable through the handle.

3. The protecting crust is fixed in the both sides of shell, first slide and second slide slidable mounting are between protecting crust and shell, the first slide side of second slide slidable mounting, and be connected with the second spring, first slide and second slide below rotary type are equipped with the supporting shoe, the supporting shoe below is equipped with anti-skidding groove, the second slide is equipped with the dogtooth in the face of the shell, be equipped with the latch groove of corresponding equipartition on the shell, it is fixed with the cooperation messenger supporting shoe of latch groove through the dogtooth, thereby support this projection light display device, then realize the removal of second slide through the second spring, thereby make first slide and second slide can stretch out and draw back, thereby adjust this projection light display device's angle, make it adapt to the use scene.

Drawings

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

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is an explosion diagram of the first embodiment of the present invention;

FIG. 4 is an exploded view of the second embodiment of the present invention;

FIG. 5 is a schematic view of the whole structure of the belt lifting device of the present invention;

fig. 6 is a cross-sectional view of a second slide rail according to the present invention;

fig. 7 shows the telescopic device of the present invention.

Reference numerals: a housing 1; a projection module 2; a mounting plate 3; a pulley 4; a convex column 5; a first slide rail 6; a second slide rail 7; a ball 8; a first spring 9; a threading hole 10; a cogging groove 11; a pull rod 12; a handle 13; a permanent magnet 14; a baffle 15; a sealing sheet 16; a connecting rod 17; a bead-retaining groove 18; a protective shell 19; a first slide plate 20; a second slide plate 21; a second spring 22; the convex teeth 23; a dial plate 24; and a support block 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention.

Below, describe with reference to the accompanying drawings and follow the utility model discloses projection formula light display device for education according to the embodiment, as shown in fig. 1-7, this projection formula light display device includes shell 1 and

projection module

2, 2 both sides of projection module are equipped with

mounting panel

3, 3 both ends of mounting panel are equipped with pulley 4, the middle part is equipped with projection 5, the top both sides are equipped with first slide rail 6 in the shell 1, the below both sides are equipped with second slide rail 7, pulley 4 slidable mounting is between first slide rail 6 and second slide rail 7, open at 1 front end of shell has the round hole, make projection module 2's camera lens stretch out and carry out the projection, open the rear end has through wires hole 10, be used for making projection module 2 connect external power supply, this projection formula light display device still includes: the lifting belt devices arranged on the upper side and the lower side of the shell 1 can control the projection module 2 to move back and forth, and the projection type light display equipment can be carried by one hand; the telescopic devices arranged at two sides of the shell 1 can adjust the angle of the projection type light display equipment, so that the projection type light display equipment is suitable for use scenes.

As shown in fig. 3, fig. 4, fig. 5 and fig. 6, the utility model discloses a projection light display device for education includes carrying the belting, carry the belting and include pull rod 12, handle 13, baffle 15 and connecting rod 17, pull rod 12 rotary type is equipped with shell 1 upper and lower both sides, pull rod 12 front end is equipped with handle 13, both sides handle 13 opposite face is equipped with permanent magnet 14 that can inter attraction, pull rod 12 middle part is equipped with baffle 15, baffle 15 is located shell 1 front end circular hole the place ahead, baffle 15 rear is fixed with gasket 16, can hide shell 1 front end circular hole after making both sides baffle 15 merge, prevent that the dust from getting into the camera lens that damages projection module 2, pull rod 12 rear end is equipped with connecting rod 17, connecting rod 17 is last to open and to have the spout and overlap on projection 5, stagger inside and outside connecting rod 17 of upper and lower both sides pull rod 12 rear end, inboard pull rod 12 terminal inboard is opened has the card pearl groove 18, the second slide rail 7 outside is equipped with the ball 8 that corresponds with card pearl groove 18 that removes through first spring 9, can fix spacing expansion to it after pull rod 12 rotates.

In a specific embodiment: when carrying the transport, pull rod 12 attracts each other through permanent magnet 14 and merges, makes the user carry the transport through handle 13, can hide the front end round hole of shell 1 after the baffle 15 at the middle part of pull rod 12 merges simultaneously, prevents that the dust from getting into the camera lens that damages projection module 2, protects projection module 2.

During the use, through rotating pull rod 12, make connecting rod 17 drive projection 5 and remove, make projection module 2 slide and stretch out through 1 front end round hole of shell, the work of the projection module 2 of being convenient for makes projection module 2 send light through external power supply, and the projection shows to the specified area, and connecting rod 17 rotates the back that targets in place simultaneously, and ball 8 can block the card pearl groove 18 of inboard connecting rod 17 through first spring 9, carries out spacing fixed to pull rod 12.

As shown in fig. 7, the projection type light display device for education according to the embodiment of the present invention includes a telescopic device, the telescopic device includes a protective shell 19, a first sliding plate 20, a second sliding plate 21, a protruding tooth 23, a shifting plate 24 and a supporting block 25, the protective shell 19 is fixed on two sides of the housing 1, the first sliding plate 20 and the second sliding plate 21 are slidably mounted between the protective shell 19 and the housing 1, the second sliding plate 21 is slidably mounted on a side of the first sliding plate 20 and connected with a second spring 22, the second sliding plate 21 is provided with the protruding tooth 23 facing the housing 1, the housing 1 is provided with a corresponding latch groove 11 uniformly distributed thereon, the lower end of the second sliding plate 21 is fixed with the shifting plate 24 for shifting the second sliding plate 21, the supporting block 25 is rotatably arranged below the first sliding plate 20 and the second sliding plate 21, and the supporting block 25 is provided with an anti-slip groove below the supporting block 25.

In a specific embodiment: through the pull rod 12 that expandes, make handle 13 of shell 1 below support this projection formula light display device front end, through the cooperation of the latch groove 11 of the dogtooth 23 that is equipped with on the second slide 21 and shell 1 both sides for first slide 20 and second slide 21 are fixed in shell 1 side, and support this projection formula light display device's rear end through supporting shoe 25.

During adjustment, the second sliding plate 21 compresses the second spring 22 by poking the poking plate 24, so that the convex teeth 23 arranged on the second sliding plate 21 are separated from the latch grooves 11 on the two sides of the shell 1, and the first sliding plate 20 and the second sliding plate 21 can movably stretch, thereby adjusting the angle of the projection type light display equipment.

The working principle is as follows: when carrying the transport, pull rod 12 attracts the merge each other through permanent magnet 14, make the user carry the transport through handle 13, can hide shell 1 front end round hole after baffle 15 at the middle part of pull rod 12 merges simultaneously, prevent that the dust from getting into the camera lens that damages projection module 2, protect projection module 2, in use, through rotating pull rod 12, make connecting rod 17 drive projection column 5 remove, make projection module 2 slide and stretch out through shell 1 front end round hole, be convenient for projection module 2's work, connecting rod 17 rotates the back that targets in place simultaneously, ball 8 can block inboard connecting rod 17's card pearl groove 18 through first spring 9, carry out spacing fixed to pull rod 12, then through the pull rod 12 that expandes, make the handle 13 of shell 1 below support this projection formula light display device front end, through the protruding tooth 23 that is equipped with on the second slide 21 and the card tooth groove 11 cooperation of shell 1 both sides, make first slide 20 and second slide 21 be fixed in shell 1 side, and support this projection formula light display device's rear end through supporting shoe 25, when adjusting the angle, through stirring board 24, make the second slide board 21 compress the second slide 21 and the flexible slide board that makes the second slide board 20 and the projection formula light that makes the projection formula slide board 20 that is equipped with this projection formula that the projection spring compression spring 21 cooperation that makes, thereby the second slide board that makes.

Claims

1. The utility model provides a projection formula light display device is used in education, this projection formula light display device includes shell (1) and projection module (2), projection module (2) both sides are equipped with mounting panel (3), mounting panel (3) both ends are equipped with pulley (4), the middle part is equipped with projection (5), the upper side both sides are equipped with first slide rail (6) in shell (1), the below both sides are equipped with second slide rail (7), pulley (4) slidable mounting is between first slide rail (6) and second slide rail (7), shell (1) front end is opened there is the round hole, the camera lens that makes projection module (2) can stretch out and carry out the projection, open the rear end has through wires hole (10), be used for make projection module (2) connect external power supply, a serial communication port, this projection formula light display device still includes:

the lifting belt devices arranged on the upper side and the lower side of the shell (1) can control the projection module (2) to move back and forth, and the projection type light display equipment can be carried by one hand;

the telescopic devices arranged on the two sides of the shell (1) can adjust the angle of the projection type light display equipment, so that the projection type light display equipment is suitable for use scenes.

2. The projection type light display device for education as claimed in claim 1, wherein the carrying device comprises a pull rod (12), a handle (13), a baffle (15) and a connecting rod (17), the pull rod (12) is rotatably provided with the upper and lower sides of the housing (1), the handle (13) is provided at the front end of the pull rod (12), the permanent magnets (14) which can attract each other are provided on the opposite surfaces of the handles (13) at the two sides, the connecting rod (17) is provided at the rear end of the pull rod (12), the connecting rod (17) is provided with a sliding slot and is sleeved on the convex column (5), and the connecting rod (17) at the rear ends of the pull rod (12) at the upper and lower sides is staggered inside and outside.

3. The projection type light display device for education as claimed in claim 2, wherein a baffle (15) is arranged in the middle of the pull rod (12), the baffle (15) is located in front of the circular hole at the front end of the shell (1), and a sealing sheet (16) is fixed behind the baffle (15), so that the circular hole at the front end of the shell (1) can be covered after the baffles (15) at two sides are combined, and dust is prevented from entering and damaging the lens of the projection module (2).

4. The light display device of claim 2, wherein the second sliding rail (7) is provided at the outer side thereof with a ball (8) that moves through the first spring (9), and the inner side of the end of the pull rod (12) at the inner side thereof is provided with a ball-engaging groove (18) corresponding to the ball (8), so that the pull rod (12) can be fixed by the ball (8) and the ball-engaging groove (18) after the pull rod (12) is rotated and unfolded.

5. A projection type light display device for education as claimed in claim 1, wherein the telescopic device includes a protective shell (19), a first sliding plate (20), a second sliding plate (21), a protruding tooth (23), a pulling plate (24) and a supporting block (25), the protective shell (19) is fixed on both sides of the housing (1), the first sliding plate (20) and the second sliding plate (21) are slidably installed between the protective shell (19) and the housing (1), the second sliding plate (21) is slidably installed on the side of the first sliding plate (20) and is connected with a second spring (22), the supporting block (25) is rotatably installed below the first sliding plate (20) and the second sliding plate (21), and an anti-slip groove is installed below the supporting block (25).

6. A projection-type light display device for education as claimed in claim 5, characterized in that the second slide (21) is provided with protruding teeth (23) on the side facing the housing (1), the housing (1) is provided with correspondingly and uniformly arranged latch grooves (11), and a dial plate (24) is fixed to the lower end of the second slide (21) for dialing the second slide (21).