CN208605842U - A kind of Portable projection instrument bracket of multi-media classroom - Google Patents
A kind of Portable projection instrument bracket of multi-media classroom Download PDFInfo
- Publication number
- CN208605842U CN208605842U CN201821084703.7U CN201821084703U CN208605842U CN 208605842 U CN208605842 U CN 208605842U CN 201821084703 U CN201821084703 U CN 201821084703U CN 208605842 U CN208605842 U CN 208605842U
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- China
- Prior art keywords
- projector
- sliding bar
- wall
- dust cover
- linking arm
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Abstract
The utility model relates to teaching equipment technical fields, disclose a kind of Portable projection instrument bracket of multi-media classroom, the linking arm being fixed on the wall including one end, linking arm is far from being provided with projector supporting element on one end of wall, linking arm is far from being additionally provided with dust-proof mechanism on one end of wall, dust-proof mechanism includes fixing the connector sleeve on the connecting arm and being located above projector, penetrate the sliding bar in connector sleeve, sliding bar lower end and the dust cover for being set on projector are set, it is arranged on the connecting arm and for driving the actuator for sliding bar and moving up and down, actuator includes sliding bar upper end being arranged in and the rack gear parallel with sliding bar, servo motor on the connecting arm is set, the gear on the output shaft of servo motor and being engaged with rack is set.Sliding bar is driven to move down using servo motor, dust cover can be set on projector, be protected to be formed to projector, and a possibility that accumulating dust on projector can be finally reduced.
Description
Technical field
The utility model relates to teaching equipment technical field, in particular to the Portable projection instrument branch of a kind of multi-media classroom
Frame.
Background technique
Projector be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen
Device.Projector is often wherein used in modern multi-media classroom, by projector by the image projection in computer screen
Onto the blackboard in classroom, to facilitate the content demonstrated in student's computer for learning；But when school is having a summer holiday or having a winter vacation
When, projector will lie on the table a very long time, then often accumulate many dusts in the time to lie on the table on projector,
And these dusts may enter in projector the normal use for influencing projector.
Utility model content
The purpose of the utility model is to provide a kind of Portable projection instrument brackets of multi-media classroom, can reduce on projector
A possibility that accumulating dust.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of multi-media classroom
Portable projection instrument bracket, including the linking arm that one end is fixed on the wall, the linking arm on one end of wall far from being provided with
Projector supporting element, the linking arm include fixing far from dust-proof mechanism, the dust-proof mechanism is additionally provided on one end of wall
On the connecting arm and be located at projector above connector sleeve, the sliding bar penetrated in connector sleeve, setting sliding bar lower end and
Dust cover, setting for being set on projector is on the connecting arm and for driving the actuator for sliding bar and moving up and down, institute
State actuator include be arranged in sliding bar upper end and with the parallel rack gear of sliding bar, setting servo motor on the connecting arm, set
Set the gear on the output shaft of servo motor and being engaged with rack.
The utility model is further arranged to: the rack gear is provided with connecting spring far from one end of sliding bar, described
One end of connecting spring is fixed on rack gear and the other end is fixed on the wall.
The utility model is further arranged to: the side of the dust cover is provided with observation window.
The utility model is further arranged to: is provided on the inner wall of the dust cover for contradicting on projector
Buffer spring.
The utility model is further arranged to: the projector supporting element is that one end is fixed on the connecting arm and the other end
The lifting cylinder being fixed on projector offers the through-hole passed through for lifting cylinder on the dust cover.
The utility model is further arranged to: is provided on the side inner wall of the through-hole for contradicting in lifting cylinder
Packer ring on outer wall.
The utility model is further arranged to: the upper end of the dust cover is provided with driving motor, on the dust cover
It offers blowing mouth, on the output shaft of the driving motor and is located in blowing mouth and is provided with blade.
In conclusion the utility model has the following beneficial effects:
1. being rotated using servo motor band moving gear, gear can be with carry-over bar when school is in winter vacation or summer vacation
It moving down, subsequent rack gear can drive sliding bar to move down in connector sleeve, and as sliding bar moves down, dust cover
It can be set on projector, be protected to be formed to projector, can finally reduce a possibility that accumulating dust on projector；
2. wherein one end of connecting spring is fixed on rack gear and the other end is fixed on wall using the connecting spring on rack gear
On wall, when rack gear moves up and down under the driving of gear, connecting spring can be supported rack gear, avoid working as rack gear from tooth
Dust cover support is fallen on projector when falling off on wheel, to reduce a possibility that projector is damaged；
3. using the observation window on dust cover, observation window can facilitate observation the distance between dust cover and projector, from
And projector can finally be reduced and damage on projector a possibility that by reducing dust cover direct collision during moving down
Bad a possibility that；
4. using the buffer spring on dust cover inner wall, when dust cover during the falling process, buffer spring can play
The effect of buffering, avoiding dust cover, direct collision, finally can be further on projector a possibility that during moving down
Reduce a possibility that projector is damaged；
5. driving projector to move up and down using lifting cylinder, when projector is damaged, operator is i.e. comparable
Easily projector is dismounted；Wherein contradicted on the outer wall of lifting cylinder using the packer ring in through-hole, thus
The gap between through-hole and lifting cylinder is sealed by packer ring, can finally reduce dust from through-hole and lifting
A possibility that being entered in projector in gap between cylinder；
6. working as projector when in use, dust cover is located at the top of projector, is turned at this time using driving motor driving blade
Dynamic, the wind generated in blade can be acted on by blowing mouth on lower projector, can finally be conducive to the heat dissipation of projector.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is that bar, dust cover, the connection relationship cross-sectional view between buffer spring are slid in the utility model.
Appended drawing reference: 1, linking arm；2, dust-proof mechanism；21, connector sleeve；22, bar is slid；23, dust cover；231, it observes
Window；232, buffer spring；233, through-hole；234, blowing mouth；24, actuator；241, rack gear；242, servo motor；243, gear；
3, connecting spring；4, lifting cylinder；5, packer ring；6, driving motor；61, blade.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of Portable projection instrument bracket of multi-media classroom, referring to Fig.1, the Portable projection instrument bracket of this kind of multi-media classroom
One end including linking arm 1, and linking arm 1 is bolted on the wall of classroom；The wherein one end of linking arm 1 far from wall
On be provided with projector supporting element, and this kind of projector supporting element is lifting cylinder 4, and one end of lifting cylinder 4 is solid by bolt
It is scheduled on linking arm 1 and the other end is bolted on projector.
Referring to Fig.1, linking arm 1 includes connecting far from dust-proof mechanism 2, this kind of dust-proof mechanism 2 is additionally provided on one end of wall
Female connector 21, sliding bar 22, dust cover 23 and actuator 24, connector sleeve 21 are welded on the top on linking arm 1 and being located at projector,
And connector sleeve 21 extends along the vertical direction；Wherein sliding bar 22 penetrates in connector sleeve 21, and sliding bar 22 at this time can be along even
Female connector 21 carries out upper and lower movement, while dust cover 23 is bolted on the lower end of sliding bar 22, and dust cover 23 is used for
It is set on projector.
Referring to Fig.1, Fig. 2, wherein the side of dust cover 23 is equipped with observation window 231, and is arranged on the inner wall of dust cover 23
There is buffer spring 232, the upper end of simultaneous buffering spring 232 is bolted on the inner wall of 23 upside of dust cover, and dust-proof
The through-hole 233 passed through for lifting cylinder 4 is offered on cover 23, is wherein bonded with packer ring on the side inner wall of through-hole 233
5, the inner wall of packer ring 5 is used to contradict the outer wall in lifting cylinder 4, thus by packer ring 5 to through-hole 233 and
Gap between lifting cylinder 4 is sealed.
Referring to Fig.1, it has also been bolted driving motor 6 on the upper end outer wall of dust cover 23, and driving motor 6 is defeated
It has been bolted blade 61 on shaft, the blowing mouth 234 penetrated for blade 61 is wherein offered on dust cover 23；Actuator
24 are to move up and down for driving sliding bar 22, and this kind of actuator 24 includes rack gear 241, servo motor 242 and gear
243, one end of middle rack 241 is welded on the upper end of sliding bar 22, and the extension of the extending direction of rack gear 241 and sliding bar 22
Direction is parallel；Servo motor 242 is bolted on linking arm 1 simultaneously, and gear 243 is bolted on servo electricity
On the output shaft of machine 242, middle gear 243 is engaged on rack gear 241；One end setting with hour rack 241 far from sliding bar 22
There is connecting spring 3, one end of connecting spring 3 is bolted on rack gear 241 and the other end is bolted on classroom
On the wall of top.
Principle: it when school is in winter vacation or summer vacation, is rotated using servo motor 242 with moving gear 243, gear 243
It can be moved down with carry-over bar 241, subsequent rack gear 241 can drive sliding bar 22 to move down in connector sleeve 21, and with
Sliding bar 22 move down, dust cover 23 can be set on projector, thus to projector formed protect, can finally subtract
A possibility that dust is accumulated in little projecting apparatus.
Wherein projector is driven to move up and down using lifting cylinder 4, when projector is damaged, operator, that is, comparable
More conveniently projector is dismounted.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. a kind of Portable projection instrument bracket of multi-media classroom, it is characterised in that: the linking arm being fixed on the wall including one end
(1), the linking arm (1) is far from being provided with projector supporting element on one end of wall, the linking arm (1) far from wall one
It is additionally provided on end dust-proof mechanism (2), the dust-proof mechanism (2) includes being fixed on linking arm (1) and being located above projector
Connector sleeve (21), the sliding bar (22) penetrated in connector sleeve (21), setting is in sliding bar (22) lower end and for being set in
The actuator of dust cover (23), setting on linking arm (1) and for driving sliding bar (22) to move up and down on projector
(24), the actuator (24) includes setting in sliding bar (22) upper end and the rack gear (241) parallel with sliding bar (22), setting
Servo motor (242), setting on linking arm (1) engage on the output shaft of servo motor (242) and with rack gear (241)
Gear (243).
2. a kind of Portable projection instrument bracket of multi-media classroom according to claim 1, it is characterised in that: the rack gear
(241) one end far from sliding bar (22) is provided with connecting spring (3), and one end of the connecting spring (3) is fixed on rack gear
(241) on and the other end is fixed on the wall.
3. a kind of Portable projection instrument bracket of multi-media classroom according to claim 1, it is characterised in that: the dust cover
(23) side is provided with observation window (231).
4. a kind of Portable projection instrument bracket of multi-media classroom according to claim 1, it is characterised in that: the dust cover
(23) it is provided on inner wall for contradicting the buffer spring (232) on projector.
5. a kind of Portable projection instrument bracket of multi-media classroom according to claim 1, it is characterised in that: the projector
Supporting element is that one end is fixed on linking arm (1) and the other end is fixed on the lifting cylinder (4) on projector, the dust cover
(23) through-hole (233) passed through for lifting cylinder (4) is offered on.
6. a kind of Portable projection instrument bracket of multi-media classroom according to claim 5, it is characterised in that: the through-hole
(233) it is provided on side inner wall for contradicting the packer ring (5) on lifting cylinder (4) outer wall.
7. a kind of Portable projection instrument bracket of multi-media classroom according to claim 1, it is characterised in that: the dust cover
(23) upper end is provided with driving motor (6), is offered blowing mouth (234) on the dust cover (23), the driving motor (6)
Output shaft on and be located at blowing mouth (234) in be provided with blade (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084703.7U CN208605842U (en) | 2018-07-10 | 2018-07-10 | A kind of Portable projection instrument bracket of multi-media classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084703.7U CN208605842U (en) | 2018-07-10 | 2018-07-10 | A kind of Portable projection instrument bracket of multi-media classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605842U true CN208605842U (en) | 2019-03-15 |
Family
ID=65668161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821084703.7U Active CN208605842U (en) | 2018-07-10 | 2018-07-10 | A kind of Portable projection instrument bracket of multi-media classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
-
2018
- 2018-07-10 CN CN201821084703.7U patent/CN208605842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117053073A (en) * | 2023-10-12 | 2023-11-14 | 泰州市中泰教学装备有限公司 | Novel interactive multimedia teaching equipment |
| CN117053073B (en) * | 2023-10-12 | 2023-12-22 | 泰州市中泰教学装备有限公司 | Interactive multimedia teaching equipment |
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