CN211699241U

CN211699241U - Projection arrangement is used in teaching

Info

Publication number: CN211699241U
Application number: CN201921798207.2U
Authority: CN
Inventors: 吴建雄
Original assignee: Anhui Pinxuan Intelligent Technology Co Ltd
Current assignee: Anhui Pinxuan Intelligent Technology Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-10-16
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a projection arrangement is used in teaching, including loop bar, coiling box and side lever, the loop bar top is equipped with the coiling box, the mounting panel is installed through the bolt to coiling box one side bottom, the loop bar top is rotated through pivot and mounting panel and is connected, the spout has been seted up respectively at the loop bar both ends, sliding connection has the slider in the spout, the slider bottom welds and is equipped with the installation piece, the installation piece bottom is rotated through the pivot and is connected with the side lever, the loop bar bottom is inserted and is equipped with interior pole, install the bracing piece through the bearing in the coiling box, bracing piece both ends decibel is detained and is equipped with the volute spiral spring, the volute spiral spring other end is detained respectively with the coiling box and is established the connection, the projecting apparatus is installed through the bolt at. The height of the projector can be effectively adjusted, and the projector has good folding and accommodating performance.

Description

Projection arrangement is used in teaching

Technical Field

The utility model relates to a projection technology field, in particular to projection arrangement is used in teaching.

Background

Traditional teaching projection arrangement does not have good wholeness when using, all lacks in the flexibility of adjusting with accomodate to some extent for all comparatively inconvenient when personnel use or transport are carried.

Patent number CN201721624047.0 discloses a projector equipment, this utility model's projector increases steady device and is used for the support of projector, and this projector increases steady device and includes carrier, inertia measurement module, quality piece and actuating mechanism. The carrier is used for being fixedly connected with the projector bracket. The inertia measurement module is arranged on the carrier and used for measuring the motion parameters of the carrier. The mass block is movably arranged on the carrier. The driving mechanism is used for driving the mass block to move according to the motion parameters so as to generate a moment for resisting the motion of the carrier; although the application of covering realizes the support of the projector, the projector is not enough in storage performance and integration with the use of a curtain, and therefore a projection device for teaching is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a projection device for teaching, which can effectively solve the problems in the background art.

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

the utility model provides a projection arrangement is used in teaching, includes loop bar, coiling box and side lever, the loop bar top is equipped with the coiling box, the mounting panel is installed through the bolt to coiling box one side bottom, the loop bar top is rotated through pivot and mounting panel and is connected, the spout has been seted up respectively at the loop bar both ends, sliding connection has the slider in the spout, the slider bottom welds and is equipped with the installation piece, the installation piece bottom is rotated through the pivot and is connected with the side lever, the loop bar bottom is inserted and is equipped with interior pole, install the bracing piece through the bearing in the coiling box, bracing piece both ends decibel is detained and is equipped with volute spiral spring, the volute spiral spring other end is detained respectively with the coiling box and is established the connection, the projecting apparatus is installed.

Furthermore, a drawing groove is formed in the bottom of the other side of the winding box, a curtain is arranged in the drawing groove, the top end of the curtain is buckled with the supporting rod to be connected, and a buckle corresponding to the bottom of the curtain is arranged at the bottom of the other side of the loop bar.

Further, the loop bar rotates the junction with the mounting panel and installs first tight knob of turning round, the installation piece rotates the junction with the side lever and installs the tight knob of second turning round.

Further, corresponding mounting holes are formed in the sliding block and the sliding groove, corresponding bolt holes are sequentially and respectively clamped in one side of the loop bar and one side of the inner rod, a cross rod is welded to the bottom of the inner rod, and anti-slip pads are arranged on the bottoms of the side rods and the cross rod in a gluing mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the sleeve rod at the bottom of the winding box is rotated and put down, the using angle of the sleeve rod is fully tightened and fixed through the first tightening knob, the inner rod is pulled down to be adjusted according to the required using height, bolt holes of the inner rod and the sleeve rod are inserted and fixed through bolts, the using height of the side rod is adjusted through the sliding block to be the required height, the using angle of the side rod and the mounting piece at the bottom of the sliding block is tightened and fixed through the second tightening knob, and then the winding box is supported through the cross rod and the side rod at the bottom of the inner rod, so that the using height of the winding box is effectively adjusted, and the folding and accommodating performance is good;

2. through the use of volute spiral spring and bracing piece, volute spiral spring's torsion passes through the bracing piece and realizes the autonomic rolling to the curtain, makes the curtain have good storage nature after the use, improves the convenience of using greatly.

Drawings

Fig. 1 is the utility model relates to a teaching is with projection arrangement's main view structure schematic diagram.

Fig. 2 is the utility model relates to a rear view structure schematic diagram of projection arrangement for teaching.

Fig. 3 is the utility model relates to a structural schematic is accomodate to projection arrangement's loop bar for teaching.

Fig. 4 is the utility model relates to a projection arrangement's rolling box cross-sectional structure schematic diagram is used in teaching.

Fig. 5 is the utility model relates to a projection arrangement's for teaching spout structure sketch map.

Fig. 6 is the utility model relates to a teaching is with projection arrangement's interior pole side view structure schematic diagram.

In the figure: 1. a loop bar; 2. a coiling box; 3. mounting a plate; 5. a first tightening knob; 6. a chute; 7. a slider; 8. mounting holes; 9. mounting a sheet; 10. a side lever; 11. a second twist knob; 12. an inner rod; 13. bolt holes; 14. a support bar; 15. a volute spiral spring; 16. drawing the groove; 17. a projector; 18. a curtain; 19. buckling; 20. a cross bar.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a projection device for teaching comprises a loop bar 1, a rolling box 2 and a side bar 10, the top of the loop bar 1 is provided with a coiling box 2, the bottom of one side of the coiling box 2 is provided with a mounting plate 3 through a bolt, the top end of the loop bar 1 is rotationally connected with the mounting plate 3 through a rotating shaft, two ends of the loop bar 1 are respectively provided with a chute 6, a slide block 7 is connected in the slide groove 6 in a sliding way, a mounting piece 9 is welded at the bottom end of the slide block 7, a side lever 10 is rotationally connected at the bottom of the mounting piece 9 through a rotating shaft, an inner rod 12 is inserted at the bottom of the loop bar 1, a support bar 14 is arranged in the coiling box 2 through a bearing, spiral spring 15 is buckled at 14 both ends decibels of bracing piece, spiral spring 15 other end is buckled respectively with rolling box 2 and is established the connection, 2 opposite side tops of rolling box are through the bolt installation projecting apparatus 17.

Wherein, the drawing groove 16 is opened to the coiling box 2 other side bottom, be equipped with the curtain 18 in the drawing groove 16, the curtain 18 top is buckled with bracing piece 14 and is established and be connected, loop bar 1 other side bottom is equipped with the buckle 19 that corresponds with curtain 18 bottom.

In this embodiment, as shown in fig. 1, the buckle 19 facilitates the fastening of the bottom of the curtain 18.

Wherein, the loop bar 1 rotates the junction with mounting panel 3 and installs first tight knob 5 of turning round, installation piece 9 rotates the junction with side lever 10 and installs the tight knob 11 of second turning round.

The sliding block 7 and the sliding groove 6 are provided with corresponding mounting holes 8, one side of the loop bar 1 and one side of the inner bar 12 are respectively provided with corresponding bolt holes 13 in a clamping mode in sequence, the bottom of the inner bar 12 is provided with a cross bar 20 in a welding mode, and the bottoms of the side bars 10 and the cross bar 20 are provided with anti-slip pads in an adhering mode.

In this embodiment, as shown in fig. 1, the anti-slip mat provides good anti-slip effect to the bottom of the side bars 10 and the cross bars 20.

It should be noted that, the utility model relates to a projection device for teaching, when working, a person rotates and puts down the loop bar 1 at the bottom of the winding box 2, and fully twists and fixes the use angle of the loop bar 1 by the first twist knob 5, and adjusts the pull-down of the inner rod 12 according to the required use height, the inner rod 12 is inserted and fixed with the bolt hole 13 of the loop bar 1 by the bolt, the use height of the side rod 10 is adjusted and set to the required height by the slider 7, and the side rod 10 is twisted and fixed with the use angle of the scroll mounting plate 9 at the bottom of the slider 7 by the second twist knob 11, and further the support of the winding box 2 is realized by the cross rod 20 and the side rod 10 at the bottom of the inner rod 12, when the use height of the winding box 2 is effectively adjusted, the utility model has good folding and storage performance, by the use of the scroll spring 15 and the support rod 14, the independent winding of the curtain 18 is realized by the support rod 14, the curtain 18 has good storage performance after use, the use convenience is greatly improved, and the projector 17 on the winding box 2 can project the curtain 18.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The projection device for teaching comprises a loop bar (1), a winding box (2) and side rods (10), and is characterized in that the winding box (2) is arranged at the top of the loop bar (1), a mounting plate (3) is mounted at the bottom of one side of the winding box (2) through a bolt, the top end of the loop bar (1) is rotatably connected with the mounting plate (3) through a rotating shaft, sliding grooves (6) are respectively formed at the two ends of the loop bar (1), sliding blocks (7) are connected in the sliding grooves (6) in a sliding mode, mounting pieces (9) are welded at the bottom ends of the sliding blocks (7), the bottom of the mounting pieces (9) is rotatably connected with the side rods (10) through the rotating shaft, an inner rod (12) is inserted at the bottom of the loop bar (1), a support rod (14) is mounted in the winding box (2) through a bearing, two ends of the support rod (14) are respectively provided with a volute spiral spring (15), and the other end of, and the projector (17) is arranged at the top of the other side of the coiling box (2) through a bolt.

2. A projection device for teaching as claimed in claim 1, wherein: draw-out groove (16) have been seted up to coiling box (2) opposite side bottom, be equipped with curtain (18) in draw-out groove (16), curtain (18) top and bracing piece (14) are detained and are established and be connected, loop bar (1) opposite side bottom is equipped with buckle (19) that correspond bottom curtain (18).

3. A projection device for teaching as claimed in claim 1, wherein: the utility model discloses a tight knob of torsion (5) is installed with mounting panel (3) rotation junction in loop bar (1), installation piece (9) rotate junction with side lever (10) and install second and turn round tight knob (11).

4. A projection device for teaching as claimed in claim 1, wherein: all seted up corresponding mounting hole (8) on slider (7) and spout (6), loop bar (1) and interior pole (12) one side are blocked respectively in proper order and are equipped with corresponding bolt hole (13), interior pole (12) bottom is welded and is equipped with horizontal pole (20), side lever (10) and horizontal pole (20) bottom all glue and are equipped with the slipmat.