CN210895867U - Projection equipment for computer classroom teaching - Google Patents

Abstract

The utility model relates to a projection equipment technical field just discloses a projection equipment that computer classroom teaching was used, including the bearing bar, the equal fixed mounting in top at bearing bar both ends has the bracing piece, the top fixed mounting of bracing piece has the mounting panel, the surface activity of bearing bar has cup jointed shift ring and holding ring, the quantity of holding ring is two, and two holding rings distribute in the both sides of shift ring, the bottom fixed mounting of shift ring has the screwed pipe, and the bottom of screwed pipe is equipped with the regulation pole, adjusts the equal fixed mounting in both ends of pole and has the threaded rod. This projection equipment of computer classroom teaching usefulness installs the bearing bar on the ceiling through the mounting panel, and the storage box utilizes to adjust the pole connection on the shifting ring to make the rigidity of storage box, so that the projecting apparatus body is placed, adjust the pole and utilize the threaded rod to adjust the projecting apparatus body height in the storage box, can rectify the position of projecting apparatus body.

Description

Projection equipment for computer classroom teaching

Technical Field

The utility model relates to a projection equipment technical field specifically is a projection equipment of computer classroom teaching usefulness.

Background

The projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto a screen, can be used for measuring the outline by using transmitted light and also can be used for measuring the surface shape without a through hole and observing the surface of the part by using reflected light.

However, the conventional projector is basically fixed on the ceiling after being adjusted, but the position of the projector may be shifted when the projector is used for a long time, the projection area may be shifted from the screen due to the position shift of the projector, and the position of the projector needs to be adjusted back and forth when the projector needs to enlarge a certain picture during playing.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a projection equipment that computer classroom teaching was used possesses the advantage of adjustment and removal, has solved current projecting apparatus and has all adjusted after basically and fix on the ceiling, but long-time use can make the offset of projecting apparatus, and the offset of projecting apparatus can make the skew screen of projection area, and the projecting apparatus enlargies certain picture for needs in the broadcast in addition, then need carry out the problem of front and back regulation to the position of projecting apparatus.

The utility model provides a following technical scheme: a projection device for computer classroom teaching comprises a bearing rod, wherein supporting rods are fixedly mounted at the tops of two ends of the bearing rod, a mounting plate is fixedly mounted at the top of each supporting rod, a movable ring and two positioning rings are movably sleeved on the outer surface of the bearing rod, the two positioning rings are distributed on two sides of the movable ring, a threaded pipe is fixedly mounted at the bottom of the movable ring, an adjusting rod is arranged at the bottom of the threaded pipe, threaded rods are fixedly mounted at two ends of the adjusting rod, the top end of the adjusting rod is sleeved with the inner threads of the threaded pipe through the threaded rods, a fixed pipe is sleeved at the bottom end of the adjusting rod through the threaded rods, a storage box is fixedly mounted at the bottom of the fixed pipe, a projector body is arranged inside the storage box, a first screw rod is sleeved on the top threads of the storage box, and the first screw rods are two in number, the bottom of a screw rod runs through the storage box and extends to the inside of storage box, and the bottom of a screw rod rotates through the fixed block and is connected with the locating plate, the bottom of locating plate and the top contact of projecting apparatus body.

Preferably, the two sides of the storage box are provided with ventilation openings for heat dissipation and ventilation.

Preferably, the two sides of the positioning ring are fixedly provided with connecting plates, holes are formed in the other ends of the connecting plates, the other ends of the connecting plates are movably sleeved with positioning rods through the holes, and the bottoms of the positioning rods are fixedly connected with the tops of the storage boxes.

Preferably, a rod handle is fixedly mounted at the top of the positioning rod and used for limiting the position of the positioning rod.

Preferably, the two ends of the positioning ring are sleeved with a second screw rod in a threaded manner, and one end of the second screw rod penetrates through the positioning ring, extends to the inner side of the positioning ring and is in contact with the surface of the bearing rod.

Preferably, the outer side of the adjusting rod is provided with anti-skid grains.

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

1. this projection equipment of computer classroom teaching usefulness installs the bearing bar on the ceiling through the mounting panel, and the storage box utilizes to adjust the pole connection on the shifting ring to make the rigidity of storage box, so that the projecting apparatus body is placed, adjust the pole and utilize the threaded rod to adjust the projecting apparatus body height in the storage box, can rectify the position of projecting apparatus body.

2. This projection equipment of computer classroom teaching usefulness through the connecting plate contact on locating lever and the holding ring for the storage box can only reciprocate, avoids storage box angular deflection, and utilizes the removal ring to remove on the bearing bar, thereby drives the removal of projecting apparatus body, so adjusts the focus of projecting apparatus body, so that better projection image reaches the purpose of removing the projecting apparatus body.

Drawings

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

FIG. 2 is a top view of the load bar;

FIG. 3 is a side view of the storage box;

fig. 4 is a schematic structural view of the adjustment lever.

In the figure: 1. a load-bearing bar; 2. a support bar; 3. mounting a plate; 4. a moving ring; 5. a positioning ring; 6. a threaded pipe; 7. adjusting a rod; 8. a threaded rod; 9. a fixed tube; 10. a storage box; 11. a projector body; 12. a first screw rod; 13. positioning a plate; 14. a connecting plate; 15. positioning a rod; 16. and a second screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-4, a projection device for computer classroom teaching, comprising a bearing rod 1, wherein supporting rods 2 are fixedly mounted on the tops of both ends of the bearing rod 1, a mounting plate 3 is fixedly mounted on the top of the supporting rods 2, a moving ring 4 and two positioning rings 5 are movably sleeved on the outer surface of the bearing rod 1, the two positioning rings 5 are distributed on both sides of the moving ring 4, a threaded pipe 6 is fixedly mounted on the bottom of the moving ring 4, a second screw 16 is sleeved on both ends of the positioning ring 5, one end of the second screw 16 penetrates through the positioning ring 5 and extends to the inner side of the positioning ring 5 and contacts with the surface of the bearing rod 1, an adjusting rod 7 is arranged at the bottom of the threaded pipe 6, anti-skid threads are arranged on the outer side of the adjusting rod 7, threaded rods 8 are fixedly mounted on both ends of the adjusting rod 7, the top end of the adjusting rod 7 is sleeved with the inner threads of, the bottom end of the adjusting rod 7 is sleeved with a fixed pipe 9 through a threaded rod 8, the bottom of the fixed pipe 9 is fixedly provided with a storage box 10, two sides of the storage box 10 are respectively provided with a ventilation opening for heat dissipation and ventilation, a projector body 11 is arranged inside the storage box 10, the bearing rod 1 is installed on a ceiling through the installation plate 3, the storage box 10 is connected to the moving ring 4 through the adjusting rod 7, so that the position of the storage box 10 is fixed, the projector body 11 is conveniently placed, the adjusting rod 7 adjusts the height of the projector body 11 in the storage box 10 through the threaded rod 8, and the position of the projector body 11 can be corrected;

the top of the storage box 10 is in threaded sleeve connection with a first screw rod 12, the number of the first screw rods 12 is two, the bottom of the first screw rod 12 penetrates through the storage box 10 and extends to the inside of the storage box 10, the bottom of the first screw rod 12 is rotatably connected with a positioning plate 13 through a fixing block, the bottom of the positioning plate 13 is in contact with the top of the projector body 11, the position of the positioning plate 13 can be adjusted through the first screw rod 12, the positioning plate 13 and the projector body 11 are clamped tightly, the projector body 11 is prevented from moving in the storage box 10, connecting plates 14 are fixedly mounted on two sides of the positioning ring 5, holes are formed in the other ends of the connecting plates 14, positioning rods 15 are movably sleeved at the other ends of the connecting plates 14 through the holes, the bottoms of the four positioning rods 15 are fixedly connected with the top of the storage box 10, rod handles are fixedly, through connecting plate 14 contact on locating lever 15 and the holding ring 5 for storage box 10 can only reciprocate, avoids storage box 10 angular deflection, and utilizes shift ring 4 to move on bearing bar 1, thereby drives projecting apparatus body 11 and removes, so adjusts projecting apparatus body 11's focus, so that better projection image reaches the purpose of removing projecting apparatus body 11.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.

Claims (6)

1. The utility model provides a projection equipment that computer classroom teaching was used, includes bearing bar (1), its characterized in that: the top of both ends of the bearing rod (1) is fixedly provided with a supporting rod (2), the top of the supporting rod (2) is fixedly provided with a mounting plate (3), the outer surface of the bearing rod (1) is movably sleeved with a moving ring (4) and positioning rings (5), the number of the positioning rings (5) is two, the two positioning rings (5) are distributed on both sides of the moving ring (4), the bottom of the moving ring (4) is fixedly provided with a threaded pipe (6), the bottom of the threaded pipe (6) is provided with an adjusting rod (7), both ends of the adjusting rod (7) are fixedly provided with threaded rods (8), the top of the adjusting rod (7) is sleeved with the inner threads of the threaded pipe (6) through the threaded rods (8), the bottom of the adjusting rod (7) is sleeved with a fixed pipe (9) through the threads of the threaded rods (8), the bottom of the fixed pipe (9) is fixedly provided with a storage box, the inside of storage box (10) is equipped with projecting apparatus body (11), screw rod (12) have been cup jointed to the top screw thread of storage box (10), the quantity of screw rod (12) is two, the inside that storage box (10) and extended to storage box (10) is run through to the bottom of screw rod (12), and the bottom of screw rod (12) rotates through the fixed block and is connected with locating plate (13), the bottom of locating plate (13) and the top contact of projecting apparatus body (11).

2. The projection device of claim 1, wherein: the two sides of the storage box (10) are provided with ventilation openings for heat dissipation and ventilation.

3. The projection device of claim 1, wherein: the equal fixed mounting in both sides of holding ring (5) has connecting plate (14), the hole has been seted up to the other end of connecting plate (14), the other end of connecting plate (14) has cup jointed locating lever (15), four through the hole activity the bottom of locating lever (15) all with the top fixed connection of storage box (10).

4. A projection device according to claim 3 for computer classroom teaching, wherein: and a rod handle is fixedly arranged at the top of the positioning rod (15) and used for limiting the position of the positioning rod (15).

5. The projection device of claim 1, wherein: the two ends of the positioning ring (5) are sleeved with a second screw rod (16) in a threaded manner, and one end of the second screw rod (16) penetrates through the positioning ring (5) and extends to the inner side of the positioning ring (5) and is in contact with the surface of the bearing rod (1).

6. The projection device of claim 1, wherein: the outer side of the adjusting rod (7) is provided with anti-skid lines.

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