CN207179087U - A kind of multimedia teaching projection bracket fast adjuster - Google Patents
A kind of multimedia teaching projection bracket fast adjuster Download PDFInfo
- Publication number
- CN207179087U CN207179087U CN201721174909.4U CN201721174909U CN207179087U CN 207179087 U CN207179087 U CN 207179087U CN 201721174909 U CN201721174909 U CN 201721174909U CN 207179087 U CN207179087 U CN 207179087U
- Authority
- CN
- China
- Prior art keywords
- mounting groove
- machine box
- multimedia teaching
- power transmission
- micromachine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of multimedia teaching projection bracket fast adjuster, including crossbearer beam, crossbearer beam offers mounting groove close to the upper surface of right part, the bottom of mounting groove offers shaft hole, power transmission shaft is provided with shaft hole, the upper end of power transmission shaft is connected with the travelling gear being arranged in mounting groove, mounting groove is internally provided with the drive gear being meshed with travelling gear, the lower end of power transmission shaft is connected with the rotating disk being arranged on below crossbearer beam, the edge of the lower card of rotating disk is vertically symmetrical to be provided with two expansion links, the machine box for accommodating projector is provided between two expansion links, the bottom of the right-hand member of machine box is provided with connecting rod, the lower end of connecting rod and the upper end of thimble are rotatablely connected, the lower end of thimble is in contact with the wheel face of cam, the lower end of expansion link is provided with pallet.In the utility model, drive axis is driven by micromachine I, the front and rear rotation of machine box is realized, so as to realize the adjustment in projector direction.
Description
Technical field
It the utility model is related to teaching equipment technical field, and in particular to a kind of multimedia teaching projection bracket quick regulation
Device.
Background technology
At present, conventional teaching still predominantly stays in the teaching pattern with blackboard chalk writing, and multimedia teaching facility is only
Big classroom or Simple Multi-media Classroom, such teaching pattern not only space-consuming, and using very not square can be placed on
Just, classroom efficiency rate is low.Chalk writing teaching can cause the hand by chalk to be burnt, and erasing the board caused dust also can be to teacher
And the respiratory system of student brings injury.Teacher stands impart knowledge to students for a long time, greatly consumes the muscle power of teacher, traditional in addition
The pattern of preparing lessons limit the content of teaching of teacher, reduce the interaction of teacher and student, do not reach good teaching efficiency, with
The propagation of Computer Applied Technology, computer-assisted instruction is also widely used, and multimedia teaching turns into modernizing teaching
Indispensable teaching pattern.
Traditional multimedia teaching projector equipment is in actual projection process it is possible that distortion, this is to need to adjust
The whole projector being suspended at the top of classroom, the projector of transmission lack fast adjuster, it is necessary to which people goes to adjust manually, very not
It is convenient.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of multimedia teaching is thrown
Shadow support fast adjuster, can play the projecting direction of multi-angle quick regulation projector, and can adjust projector
The effect of position.
To realize above-mentioned technical purpose and the technique effect, the utility model is to be achieved through the following technical solutions：
A kind of multimedia teaching projection bracket fast adjuster, including crossbearer beam, the left part connection of the crossbearer beam
There is fixed plate, the fixed plate is bolted on wall, and the crossbearer beam offers peace close to the upper surface of right part
Tankage, the bottom of the mounting groove offer shaft hole, are provided with power transmission shaft in the shaft hole, the upper end of the power transmission shaft with
The travelling gear connection being arranged in mounting groove, the mounting groove are internally provided with the sliding tooth being meshed with travelling gear
Wheel, the drive gear are driven by being arranged on the micromachine I of installation trench bottom, and the lower end of the power transmission shaft is with being arranged on horizontal stroke
Rotating disk connection below setting a roof beam in place, the edge of the lower card of the rotating disk is vertically symmetrical to be provided with two expansion links, is stretched described in two
The machine box for accommodating projector is provided between contracting bar, the side of the machine box is rotated by the body of rod of pin and expansion link to be connected
Connect, the bottom of the right-hand member of the machine box is provided with connecting rod, and the lower end of the connecting rod and the upper end of thimble are rotatablely connected, the thimble
Lower end be in contact with the wheel face of cam, the lower end of the expansion link is provided with pallet, and the cam is by being arranged on pallet
Micromachine II drive.
Further, install and be provided with the wall of the fixed plate for controlling II turn of micromachine I and micromachine
Dynamic controller, control button is provided with the controller.
Further, projection hole is offered on the left side of the machine box, the right side of the machine box can open
Portable plate.
Further, it is provided with lock-screw on the expansion link.
Further, it is provided with above the cam and helps plate for wear thimble.
The beneficial effects of the utility model are：
1st, drive axis is driven by micromachine I, the front and rear rotation of machine box is realized, so as to realize projector direction
Adjustment.
2nd, cam rotation is driven by micromachine II, realizes the up and down motion of thimble, the upper bottom with motivation box head
It is dynamic, so as to realize the adjustment of projecting direction above and below projector.
Certainly, all advantages that any product of the present utility model it is not absolutely required to reach the above simultaneously are implemented.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is side structure schematic view of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
Refer to shown in Fig. 1, the present embodiment is a kind of multimedia teaching projection bracket fast adjuster, including crossbearer beam
1, the left part of crossbearer beam 1 is connected with fixed plate 2, and fixed plate 2 is fixed on wall by bolt 3, and crossbearer beam 1 is close to right part
Upper surface offer mounting groove 4, the bottom of mounting groove 4 offers shaft hole, power transmission shaft 5, power transmission shaft 5 is provided with shaft hole
Upper end be connected with the travelling gear 6 being arranged in mounting groove 4, mounting groove 4 is internally provided with what is be meshed with travelling gear 6
Drive gear 7, drive gear 7 are driven by being arranged on the micromachine I 8 of the bottom of mounting groove 4, the lower end of power transmission shaft 5 and setting
Rotating disk 9 below crossbearer beam 1 connects.
The edge of the lower card of rotating disk 9 is vertically symmetrical to be provided with two expansion links 10, and locking screw is provided with expansion link 10
18 are followed closely, the machine box 11 for accommodating projector is provided between two expansion links 10, projection is offered on the left side of machine box 11
Hole, the right side of machine box 11 are the portable plate that can be opened, and the side of machine box 11 is turned by the body of rod of pin 12 and expansion link 10
Dynamic connection, the bottom of the right-hand member of machine box 11 are provided with connecting rod 13, and the lower end of connecting rod 13 is rotatablely connected with the upper end of thimble 14, thimble
14 lower end is in contact with the wheel face of cam 15, and the top of cam 15 is provided with helps plate 19, expansion link for wear thimble 14
10 lower end is provided with pallet 16, and cam 15 is driven by the micromachine II 17 being arranged on pallet 16, mounting plate 2
The controller for controlling micromachine I 8 and micromachine II 17 to rotate is provided with wall, be provided with controller control by
Button.
One of the present embodiment has particular application as：In the utility model, 5 turns of power transmission shaft is driven by micromachine I 8
It is dynamic, the front and rear rotation of machine box 11 is realized, so as to realize the adjustment in projector direction, passes through 15 turns of the moving cam of band of micromachine II 17
It is dynamic, the up and down motion of thimble 14 is realized, with swinging up and down for the head of motivation box 11, so as to realize projecting direction above and below projector
Adjustment.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
It is contained in reference to specific features, structure, material or the feature that the embodiment or example describe of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, do not limit the embodiment that the utility model is only yet.Obviously, according to this specification
Content, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain
Principle and practical application of the present utility model, so that skilled artisan can be best understood by and utilize this practicality
It is new.The utility model is only limited by claims and its four corner and equivalent.
Claims (5)
1. a kind of multimedia teaching projection bracket fast adjuster, including crossbearer beam (1), it is characterised in that：The crossbearer beam
(1) left part is connected with fixed plate (2), and the fixed plate (2) is fixed on wall by bolt (3), the crossbearer beam (1)
Mounting groove (4) is offered close to the upper surface of right part, the bottom of the mounting groove (4) offers shaft hole, the shaft hole
Power transmission shaft (5) is inside provided with, the upper end of the power transmission shaft (5) is connected with the travelling gear (6) being arranged in mounting groove (4), institute
The drive gear (7) being meshed with travelling gear (6) that is internally provided with of mounting groove (4) is stated, the drive gear (7) is by setting
Micromachine I (8) drive in mounting groove (4) bottom is put, the lower end of the power transmission shaft (5) is with being arranged on below crossbearer beam (1)
Rotating disk (9) connection, the edge of the lower card of the rotating disk (9) is vertically symmetrical to be provided with two expansion links (10), described in two
Be provided with the machine box (11) for accommodating projector between expansion link (10), the side of the machine box (11) by pin (12) with
The body of rod rotation connection of expansion link (10), the bottom of the right-hand member of the machine box (11) is provided with connecting rod (13), the connecting rod (13)
The upper end of lower end and thimble (14) be rotatablely connected, the lower end of the thimble (14) is in contact with the wheel face of cam (15), described
The lower end of expansion link (10) is provided with pallet (16), and the cam (15) passes through the micromachine II that is arranged on pallet (16)
(17) drive.
A kind of 2. multimedia teaching projection bracket fast adjuster according to claim 1, it is characterised in that：Installation institute
State the controller being provided with the wall of fixed plate (2) for controlling micromachine I (8) and micromachine II (17) to rotate, institute
State and control button is provided with controller.
A kind of 3. multimedia teaching projection bracket fast adjuster according to claim 2, it is characterised in that：The machine
Projection hole is offered on the left side of box (11), the right side of the machine box (11) is the portable plate that can be opened.
A kind of 4. multimedia teaching projection bracket fast adjuster according to claim 1, it is characterised in that：It is described to stretch
Lock-screw (18) is provided with contracting bar (10).
A kind of 5. multimedia teaching projection bracket fast adjuster according to claim 1, it is characterised in that：It is described convex
It is provided with above wheel (15) and helps plate (19) for wear thimble (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174909.4U CN207179087U (en) | 2017-09-14 | 2017-09-14 | A kind of multimedia teaching projection bracket fast adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174909.4U CN207179087U (en) | 2017-09-14 | 2017-09-14 | A kind of multimedia teaching projection bracket fast adjuster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207179087U true CN207179087U (en) | 2018-04-03 |
Family
ID=61747284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721174909.4U Expired - Fee Related CN207179087U (en) | 2017-09-14 | 2017-09-14 | A kind of multimedia teaching projection bracket fast adjuster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207179087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707966A (en) * | 2019-02-13 | 2019-05-03 | 湖北安心智能科技有限公司 | A kind of desktop exempts from the desk-top conference facility of aperture |
-
2017
- 2017-09-14 CN CN201721174909.4U patent/CN207179087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707966A (en) * | 2019-02-13 | 2019-05-03 | 湖北安心智能科技有限公司 | A kind of desktop exempts from the desk-top conference facility of aperture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20200914 |