CN209590530U - A kind of pedagogy is given lessons with Multifunctional projection screen - Google Patents
A kind of pedagogy is given lessons with Multifunctional projection screen Download PDFInfo
- Publication number
- CN209590530U CN209590530U CN201920660436.1U CN201920660436U CN209590530U CN 209590530 U CN209590530 U CN 209590530U CN 201920660436 U CN201920660436 U CN 201920660436U CN 209590530 U CN209590530 U CN 209590530U
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- China
- Prior art keywords
- spring
- projection screen
- slot
- drive rod
- inserted link
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Abstract
The utility model discloses a kind of pedagogy to give lessons with Multifunctional projection screen, it is related to projection screen technical field, including storehouse plate, fluting is offered on the front of the storehouse plate, one end of the storehouse plate is fixedly installed with motor housing, the output end of positive and negative motor and drive rod are sequentially connected in the motor housing, and the drive rod passes through storehouse plate side wall and extends in fluting, sleeve is socketed on the drive rod, volume has projection screen on the sleeve, the bottom end of the projection screen is connected on firmware, slot is offered on the drive rod, the utility model in second spring slot by being arranged inserted link, inserted link is plugged in second spring slot and slot, it realizes to the fixation between sleeve and drive rod, when job failure occurs for positive and negative motor in motor housing, inserted link can be extracted out from slot, sleeve can rotate on drive rod in this way, so as to Manually projection screen is pulled to strut, which is normally used, design is more novel, functional stronger.
Description
Technical field
The utility model relates to projection screen technical field, specifically a kind of pedagogy is given lessons with Multifunctional projection screen.
Background technique
Projection screen is one of product most-often used in projector's peripheral equipment, and projection screen is the abbreviation of projection screen, projection
If screen and projector's collocation are proper, available good drop shadow effect, projection screen generally can be divided into reflective, transmission-type two
Class, reflective for just throwing, transmission-type is used for rear-projection.
But existing education at present gives lessons and snag cisco unity malfunction is occurring with the driving mechanism of projection screen
When, cause projection screen that can not be normally carried out elevating function, to delay the teaching process that education is given lessons.Therefore, this field skill
Art personnel provide a kind of pedagogy and give lessons with Multifunctional projection screen, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of pedagogy to give lessons with Multifunctional projection screen, to solve above-mentioned background skill
The education proposed in art is given lessons with the driving mechanism of projection screen when there is snag cisco unity malfunction, cause projection screen without
Method is normally carried out elevating function, thus the problem of having delayed the teaching process that education is given lessons.
To achieve the above object, the utility model provides the following technical solutions: a kind of pedagogy, which is given lessons, uses Multifunctional projection
Shield, including storehouse plate, offers fluting on the front of the storehouse plate, one end of the storehouse plate is fixedly installed with motor housing, the electricity
The output end of positive and negative motor and drive rod are sequentially connected in cabinet, and the drive rod passes through storehouse plate side wall and extends in fluting,
Sleeve is socketed on the drive rod, volume has projection screen on the sleeve, and the bottom end of the projection screen is connected on firmware, institute
It states and offers slot on drive rod, offer second spring slot on the side wall of the sleeve, on the cell wall of the second spring slot
Limiting slot is offered, inserted link is movably set in the second spring slot, and one end of the inserted link is plugged in slot, it is described
Pushing block is provided on inserted link.
As a further solution of the present invention: the first spring groove is offered in the firmware, first spring
It is fixedly connected with the first spring on the internal groove side wall of slot, is plugged with chock plug at the notch of first spring groove.
4th spring there are two being opened up on the medial surface of the firmware as a further solution of the present invention,
Slot is equipped with sucker in the 4th spring groove.
The side of the sucker is fixedly connected with the 4th spring as a further solution of the present invention, and described
One end of four springs is fixedly connected on the cell wall of the 4th spring groove.
One end of the inserted link is fixedly connected with second spring as a further solution of the present invention, and described
One end of two springs is fixedly connected on the cell wall of second spring slot.
Third spring groove, the third spring are offered on the inserted link as a further solution of the present invention,
Activity is plugged with gag lever post in slot, and one end of the gag lever post is fixedly connected with third spring, and one end of the third spring
It is fixedly connected on the cell wall of third spring groove.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is plugged in second spring slot and slot by the way that inserted link, inserted link are arranged in second spring slot,
The fixation between sleeve and drive rod can be taken out from slot by realizing when job failure occurs for positive and negative motor in motor housing
Inserted link out, such sleeve can rotate on drive rod, so as to manually projection screen be pulled to strut, enable the projection screen
Enough normal uses, design is more novel, functional stronger；Connect in third spring groove on inserted link by the way that third spring is fixed
Gag lever post is connect, when extracting inserted link out from slot, gag lever post is pushed in limiting slot by the elastic force that can use third spring,
Inserted link is fixed in second spring slot well, avoid during sleeve rotates, inserted link again be pushed into slot
In, to influence the rotation work of sleeve, it is more reasonable to design.
2, the utility model is by being equipped with sucker in the 4th spring groove, can be from the 4th after the projection screen struts
It extracts sucker in spring groove out, the projection screen is absorbed and fixed on wall using sucker, avoids the projection screen in the process used
Middle the case where swinging；When extracting sucker out in the 4th spring groove, the elongation of the 4th spring generates elastic force, does not make in the projection screen
When with rolling again, sucker can be drawn in the 4th spring groove well again using the elastic force generated after the elongation of the 4th spring, kept away
Exempting from it interferes the normal of projection screen to roll work, and structure is simple, practical function.
3, the utility model can be used to store sharp by offering the first spring groove on firmware, in the first spring groove
Light pen facilitates the teaching of teacher, while the case where can prevent laser pen from losing again；It is solid on the cell wall of first spring groove
Surely it is connected with the first spring, when storing laser pen in the first spring groove, laser pen squeezes the first spring, when needing to take out,
Chock plug only need to be extracted out, laser pen the first spring groove can be popped up under the elastic force effect of the first spring, laser pen is taken
Take work more simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of pedagogy is given lessons with Multifunctional projection screen；
Fig. 2 is the structural side view that a kind of pedagogy is given lessons with drive rod and sleeve in Multifunctional projection screen；
Fig. 3 is that a kind of pedagogy is given lessons with the schematic enlarged-scale view in Multifunctional projection screen at A；
Fig. 4 is the side structure cross-sectional view that a kind of pedagogy is given lessons with firmware in Multifunctional projection screen.
In figure: 1, storehouse plate；2, it slots；3, motor housing；4, drive rod；5, sleeve；6, projection screen；7, firmware；8, first
Spring groove；9, the first spring；10, chock plug；11, slot；12, second spring slot；13, limiting slot；14, inserted link；15, pushing block；16,
Second spring；17, third spring groove；18, third spring；19, gag lever post；20, the 4th spring groove；21, sucker；22, the 4th bullet
Spring.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of pedagogy is given lessons with Multifunctional projection screen, including storehouse plate
1, fluting 2 is offered on the front of storehouse plate 1, and one end of storehouse plate 1 is fixedly installed with motor housing 3, and positive and negative motor is defeated in motor housing 3
Outlet and drive rod 4 are sequentially connected, and drive rod 4 passes through 1 side wall of storehouse plate and extends in fluting 2, is socketed with sleeve on drive rod 4
5, volume has projection screen 6 on sleeve 5, and the bottom end of projection screen 6 is connected on firmware 7, and the first spring groove 8 is offered in firmware 7,
It is fixedly connected with the first spring 9 on the internal groove side wall of first spring groove 8, is plugged with chock plug 10, firmware at the notch of the first spring groove 8
It is opened up on 7 medial surface there are two the 4th spring groove 20, sucker 21 is installed in the 4th spring groove 20, the side of sucker 21 is fixed
It is connected with the 4th spring 22, one end of the 4th spring 22 is fixedly connected on the cell wall of the 4th spring groove 20, is inhaled using sucker 21
It is attached on wall, is strutted in the projection screen 6 in use, it can be fixed, avoiding it, there is a situation where swing.
Slot 11 is offered on drive rod 4, and second spring slot 12 is offered on the side wall of sleeve 5, second spring slot 12
Limiting slot 13 is offered on cell wall, inserted link 14 is movably set in second spring slot 12, and one end of inserted link 14 is plugged on slot
In 11, pushing block 15 is provided on inserted link 14, one end of inserted link 14 is fixedly connected with second spring 16, and one end of second spring 16 is solid
Surely it is connected on the cell wall of second spring slot 12, third spring groove 17 is offered on inserted link 14, activity is inserted in third spring groove 17
It is connected to gag lever post 19, one end of gag lever post 19 is fixedly connected with third spring 18, and one end of third spring 18 is fixedly connected on
On the cell wall of third spring groove 17, it is fixed between sleeve 5 and drive rod 4 by inserted link 14, it may be necessary to from slot 11
Middle extraction inserted link 14, rotates sleeve 5 on drive rod 4, when positive and negative motor breaks down in motor housing 3 in this way,
Projection screen 6 can be manually pulled out, design is more novel, functional stronger.
The working principle of the utility model is: in use, the positive and negative motor in motor housing 3 passes through rotating bar 4 with moving sleeve 5
It rotates, the projection screen 6 on sleeve 5 slowly struts downwards, can be by pushing away when the square motor in motor housing 3 breaks down
Block 15 releases inserted link 14 from slot 11, when the gag lever post 19 on inserted link 14 is moved at limiting slot 13, in squeezed state
Under the effect of 18 elastic force of third spring under, gag lever post 19 is promoted in limiting slot 13, limit work to inserted link 14 is realized, avoids
For sleeve 5 when rotating on drive rod 4, inserted link 14 is rebounded in slot 11 again and is hindered the rotation work of sleeve 5, then, to
Lower pulling firmware 7, to manually strut projection screen 6, it is more novel to design, functional stronger, when projection screen 6 struts completely
When, it extracts sucker 21 out from the 4th spring groove 20, sucker 21 is adsorbed on wall, which is fixed, avoids throwing
The case where shadow screen 6 is swung during use can be used to store teaching in the first spring groove 8 on firmware 7 and use
Laser pen, greatly facilitate the teaching of teaching teacher, while the case where can prevent laser pen from losing again, structure
Simply, practical function.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. a kind of pedagogy is given lessons with Multifunctional projection screen, including storehouse plate (1), which is characterized in that on the front of the storehouse plate (1)
It offers fluting (2), one end of the storehouse plate (1) is fixedly installed with motor housing (3), positive and negative motor in the motor housing (3)
Output end and drive rod (4) are sequentially connected, and the drive rod (4) passes through storehouse plate (1) side wall and extends in fluting (2), described
It is socketed on drive rod (4) sleeve (5), there is projection screen (6) volume on the sleeve (5), the bottom end of the projection screen (6) is connected to
It on firmware (7), is offered slot (11) on the drive rod (4), offers second spring slot on the side wall of the sleeve (5)
(12), it is offered limiting slot (13) on the cell wall of the second spring slot (12), activity setting in the second spring slot (12)
Have inserted link (14), and one end of the inserted link (14) is plugged in slot (11), is provided with pushing block (15) on the inserted link (14).
2. a kind of pedagogy according to claim 1 is given lessons with Multifunctional projection screen, which is characterized in that the firmware
(7) it is offered in the first spring groove (8), is fixedly connected with the first spring (9), institute on the internal groove side wall of first spring groove (8)
It states and is plugged with chock plug (10) at the notch of the first spring groove (8).
3. a kind of pedagogy according to claim 1 is given lessons with Multifunctional projection screen, which is characterized in that the firmware
(7) it is opened up on medial surface there are two the 4th spring groove (20), sucker (21) is installed in the 4th spring groove (20).
4. a kind of pedagogy according to claim 3 is given lessons with Multifunctional projection screen, which is characterized in that the sucker (21)
Side be fixedly connected with the 4th spring (22), one end of the 4th spring (22) is fixedly connected on the 4th spring groove (20)
On cell wall.
5. a kind of pedagogy according to claim 1 is given lessons with Multifunctional projection screen, which is characterized in that the inserted link (14)
One end be fixedly connected with second spring (16), one end of the second spring (16) is fixedly connected on second spring slot (12)
On cell wall.
6. a kind of pedagogy according to claim 1 is given lessons with Multifunctional projection screen, which is characterized in that the inserted link (14)
On offer third spring groove (17), activity is plugged with gag lever post (19), the gag lever post in the third spring groove (17)
(19) one end is fixedly connected with third spring (18), and one end of the third spring (18) is fixedly connected on third spring groove
(17) on cell wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660436.1U CN209590530U (en) | 2019-05-09 | 2019-05-09 | A kind of pedagogy is given lessons with Multifunctional projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920660436.1U CN209590530U (en) | 2019-05-09 | 2019-05-09 | A kind of pedagogy is given lessons with Multifunctional projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209590530U true CN209590530U (en) | 2019-11-05 |
Family
ID=68347326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920660436.1U Expired - Fee Related CN209590530U (en) | 2019-05-09 | 2019-05-09 | A kind of pedagogy is given lessons with Multifunctional projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209590530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261820A (en) * | 2021-05-27 | 2021-08-17 | 红河学院 | Picture-inserting display board with light effect changing function |
-
2019
- 2019-05-09 CN CN201920660436.1U patent/CN209590530U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113261820A (en) * | 2021-05-27 | 2021-08-17 | 红河学院 | Picture-inserting display board with light effect changing function |
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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: 20191105 Termination date: 20210509 |