CN214744396U

CN214744396U - Projection equipment is used in teaching with adjust structure

Info

Publication number: CN214744396U
Application number: CN202120705545.8U
Authority: CN
Inventors: 郭亚丹
Original assignee: Liupanshui Normal University
Current assignee: Liupanshui Normal University
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-16
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to a teaching projection equipment technical field specifically is a projection equipment is used in teaching with adjust structure, the on-line screen storage device comprises a base, the inside hole groove that is provided with in base both sides top, hole groove both sides all are provided with first bearing, base top fixed surface is connected with the supporting seat, the supporting seat top is provided with the second bearing, the base top is provided with the projection equipment main part, the outside of projection equipment main part is provided with the shield, projection equipment main part bottom is provided with the lifter plate, the inside cover in lifter plate both sides is equipped with the threaded rod, the threaded rod bottom is provided with first conical gear. The utility model discloses a rotate the rocker and can realize the lift adjustment to the lifter plate to the realization is kept away from pull ring one side block on the shield surface through spring force effect messenger inserted bar to the altitude mixture control of projection equipment main part, realizes the protection dustproof effect to the projection equipment main part.

Description

Projection equipment is used in teaching with adjust structure

Technical Field

The utility model relates to a teaching projection equipment technical field specifically is a projection equipment is used in teaching with adjust structure.

Background

Projection equipment is used in teaching indicates mainly used general education, the professional projection equipment of high education and preschool education, operation and interaction through mr, let the student pass through the clear equipment that realizes the education of projection, a teaching, the demonstration, display function such as large-scale speech, projection equipment is used in teaching need possess the writing clear, the big picture of short burnt, the color is accurate, easy and simple to handle, characteristics such as multiple connected mode, along with multimedia's rapid development, and the country is to the attention of education and teaching, the teaching is with more and more extensive that projection equipment used, so current projection equipment is used in teaching has obtained continuous innovation and development, consequently, can know present teaching and use projection equipment basically to satisfy people's demand, but still have some problems.

The first problem is that: the existing projection equipment for teaching lacks of an adjusting mechanism, particularly height adjustment, so that the use requirements of people with different heights cannot be met when the projection equipment is used, certain limitations exist, and the practicability of the device is reduced;

the second problem is that: the existing projection equipment for teaching lacks a protection dustproof mechanism when not in use, so that the device is directly exposed in the air when not in use, is easy to accumulate dust and damp, and the protection of the device is reduced because more electronic elements are arranged in the device and can influence the normal use of the device once being damp.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problem, an object of the present invention is to provide a projection device for teaching with an adjusting structure to solve the problem that the conventional device proposed in the above background art lacks a height adjusting mechanism and does not have a protection dustproof mechanism.

In order to achieve the above object, the utility model provides a following technical scheme:

a projection device with an adjusting structure for teaching comprises a base, wherein hole grooves are arranged inside the top ends of the two sides of the base, the two sides of the hole groove are both provided with first bearings, the surface of the top end of the base is fixedly connected with a supporting seat, the top end of the supporting seat is provided with a second bearing, the top end of the base is provided with a projection equipment main body, the outer part of the projection equipment main body is provided with a dustproof cover, the bottom end of the projection equipment main body is provided with a lifting plate, threaded rods are sleeved in the two sides of the lifting plate, a first bevel gear is arranged at the bottom ends of the threaded rods, the bottom end of the first bevel gear is provided with a rotating shaft, a second bevel gear is sleeved outside the rotating shaft, the side, far away from first conical gear, of second conical gear is provided with the carousel, the carousel is kept away from second conical gear one side and is provided with the rocker, the surface of shield one side intermediate position department is provided with the inserted bar.

Preferably, the outside of inserted bar intermediate position department is provided with the connecting block, the inserted bar is kept away from all fixedly connected with fixed plates in both ends about shield one side, the connecting block is close to fixed plate one side fixed surface and is connected with the sleeve, the sleeve is kept away from connecting block one side and is provided with the telescopic link, telescopic link surface connection has the spring.

Preferably, the top end of the threaded rod is fixedly connected with a limiting block.

Preferably, the surface of the rocker is glued with an anti-slip sheet, and the anti-slip sheet is made of rubber materials.

Preferably, one side of the inserted bar, which is far away from the dust cover, is fixedly connected with a pull ring, and the pull ring is arranged in a ring shape with a hollow inner part.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the projection equipment with the adjusting structure for teaching is provided with the lifting plate, the threaded rod, the limiting block, the first conical gear, the rotating shaft, the second conical gear, the rotating disc and the rocker, through the design, the device is provided with the height adjusting mechanism, and the lifting adjustment of the lifting plate can be realized by rotating the rocker, so that the height adjustment of the projection equipment main body is realized, and the practicability of the device is improved;

2. this projection equipment is used in teaching with adjust structure is provided with the inserted bar, the connecting block, the fixed plate, sleeve and telescopic link, through above-mentioned design, make the device possess the dustproof mechanism of protection, when the device is idle not used, can avoid the inside electronic component of device to receive the pollution of dust and moisture and damage, keep away from pull ring one side block on the shield surface through the spring force effect messenger inserted bar, the realization is dustproof to the protection of projection equipment main part, the protectiveness of device has been improved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 110. a base; 120. a hole groove; 121. a first bearing; 130. a supporting seat; 131. a second bearing; 140. a projection apparatus main body; 150. a dust cover; 210. a lifting plate; 220. a threaded rod; 221. a limiting block; 230. a first bevel gear; 240. a rotating shaft; 250. a second bevel gear; 260. a turntable; 270. a rocker; 271. anti-slip sheets; 310. inserting a rod; 311. a pull ring; 320. connecting blocks; 330. a fixing plate; 340. a sleeve; 350. a telescopic rod; 351. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a projection device with an adjusting structure for teaching comprises a base 110, wherein hole grooves 120 are formed in the top ends of two sides of the base 110, first bearings 121 are arranged on two sides of each hole groove 120, a supporting seat 130 is fixedly connected to the surface of the top end of the base 110, a second bearing 131 is arranged at the top end of the supporting seat 130, a projection device main body 140 is arranged at the top end of the base 110, a dustproof cover 150 is arranged outside the projection device main body 140, a lifting plate 210 is arranged at the bottom end of the projection device main body 140, a threaded rod 220 is sleeved inside two sides of the lifting plate 210, a first conical gear 230 is arranged at the bottom end of the threaded rod 220, a rotating shaft 240 is arranged at the bottom end of the first conical gear 230, a second conical gear 250 is sleeved outside the rotating shaft 240, a rotating disc 260 is arranged on one side, away from the first conical gear 230, a rocker 270 is arranged on one side, of the rotating disc 260, a middle position of the second conical gear 250 is provided with a plug-in rod 310, through this design, make the device have protection dustproof mechanism, can effectively protect device not receive the damage when the device does not use, improved the protectiveness of device, and make the device have height adjusting mechanism, can satisfy different height crowds' user demand, improved the practicality of device.

The outside of inserted bar 310 intermediate position department is provided with connecting block 320, and inserted bar 310 keeps away from all fixedly connected with fixed plate 330 in both ends about shield 150 one side, and connecting block 320 is close to fixed plate 330 one side fixed surface and is connected with sleeve 340, and sleeve 340 is provided with telescopic link 350 far away from connecting block 320 one side, and telescopic link 350 surface connection has spring 351, through this design, makes the device can possess dustproof protect function, has improved the protectiveness of device.

The top end of the threaded rod 220 is fixedly connected with a limiting block 221, and through the design, the lifting plate 210 can be prevented from being separated from the surface of the threaded rod 220, so that the lifting function is influenced, and the usability of the device is improved.

The surface of the rocker 270 is glued with the anti-slip sheet 271, and the anti-slip sheet 271 is made of rubber materials, so that the friction force between the rocker 270 and the palm can be increased when the rocker 270 is rotated, the rotating speed is more uniform, the adjusting mechanism can stably operate, and the stability of the device is improved.

The inserted bar 310 is far away from the dust cover 150, and the pull ring 311 is fixedly connected to one side of the inserted bar, and the pull ring 311 is arranged in a hollow ring shape inside, so that the position of the inserted bar 310 can be conveniently adjusted through the design, the dust-proof protection effect on the projection equipment main body 140 is realized, and the practicability of the device is improved.

The working principle is as follows: when the height of the lifting plate 210 needs to be adjusted, the rocker 270 is rotated clockwise, the turntable 260 is also rotated under the driving of the rocker 270, the turntable 260 drives the rotating shaft 240 to rotate, so that the second bevel gear 250 on the surface of the rotating shaft 240 rotates to drive the first bevel gear 230 in meshed connection with the rotating shaft to rotate, and under the cooperation effect of the first bearing 121, the threaded rod 220 rotates, so that the lifting plate 210 moves upwards, and the lifting operation of the lifting plate 210 is realized;

when the device is not used, the device needs to be subjected to dustproof protection operation, at this time, the pull ring 311 is pulled to the side far away from the projection equipment main body 140, the side, far away from the pull ring 311, of the inserted link 310 is separated from the surface of the projection equipment main body 140, the spring 351 is in an elastic contraction state at this time, then the dustproof cover 150 is placed on the surface of the projection equipment main body 140, then the pull ring 311 is loosened, under the elastic action of the spring 351, the inserted link 310 moves to the side close to the dustproof cover 150 until the side, close to the dustproof cover 150, of the inserted link 310 is clamped on the surface of the dustproof cover 150, the dustproof cover 150 is locked, accordingly, the dustproof protection operation on the projection equipment main body 140 is achieved, and the operation is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A projection equipment is used in teaching with adjust structure, includes base (110), its characterized in that: the improved projection device is characterized in that a hole groove (120) is formed in the top ends of two sides of the base (110), first bearings (121) are arranged on two sides of the hole groove (120), a support seat (130) is fixedly connected to the surface of the top end of the base (110), a second bearing (131) is arranged on the top end of the support seat (130), a projection device main body (140) is arranged on the top end of the base (110), a dust cover (150) is arranged outside the projection device main body (140), a lifting plate (210) is arranged at the bottom end of the projection device main body (140), a threaded rod (220) is sleeved inside two sides of the lifting plate (210), a first bevel gear (230) is arranged at the bottom end of the threaded rod (220), a rotating shaft (240) is arranged at the bottom end of the first bevel gear (230), a second bevel gear (250) is sleeved outside the rotating shaft (240), and a rotating disc (260) is arranged on one side, far away from the first bevel gear (230), of the second bevel gear (250), a rocker (270) is arranged on one side, away from the second bevel gear (250), of the turntable (260), and an inserting rod (310) is arranged on the surface of the middle position of one side of the dustproof cover (150).

2. A teaching projection device with adjustment structure according to claim 1, wherein: the outside of inserted bar (310) intermediate position department is provided with connecting block (320), both ends are all fixedly connected with fixed plate (330) about shield (150) one side is kept away from in inserted bar (310), connecting block (320) are close to fixed plate (330) one side fixed surface and are connected with sleeve (340), sleeve (340) are kept away from connecting block (320) one side and are provided with telescopic link (350), telescopic link (350) surface connection has spring (351).

3. A teaching projection device with adjustment structure according to claim 2, characterized in that: the top end of the threaded rod (220) is fixedly connected with a limiting block (221).

4. A teaching projection device with adjustment structure according to claim 2, characterized in that: the surface of the rocker (270) is glued with an anti-slip sheet (271), and the anti-slip sheet (271) is made of rubber material.

5. A teaching projection device with adjustment structure according to claim 3, wherein: one side of the inserted bar (310) far away from the dust cover (150) is fixedly connected with a pull ring (311), and the pull ring (311) is arranged to be a ring shape with a hollow inner part.