CN208605843U - A kind of projection arrangement for campus gymnasium - Google Patents
A kind of projection arrangement for campus gymnasium Download PDFInfo
- Publication number
- CN208605843U CN208605843U CN201821085311.2U CN201821085311U CN208605843U CN 208605843 U CN208605843 U CN 208605843U CN 201821085311 U CN201821085311 U CN 201821085311U CN 208605843 U CN208605843 U CN 208605843U
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- CN
- China
- Prior art keywords
- projector
- bracket
- sliding bar
- campus
- drawstring
- 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.)
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Abstract
The utility model relates to teaching equipment technical fields, disclose a kind of projection arrangement for campus gymnasium, including bracket, projector, the guide sleeve for being provided on bracket above projector and extending along the vertical direction, it is provided with that one end is connected on projector and the other end passes through the sliding bar of guide sleeve on bracket, the support rod that one end is located at wall side and the other end is located at sliding bar side is provided on bracket, the both ends of support rod are provided with guide wheel, it is provided with one end on bracket and is fixed on sliding bar far from one end of projector and the other end passes through after two guide wheels to the lower drawstring to hang naturally, the locating piece for being moved to projector at different height is provided between drawstring and support rod.Drawstring drives sliding bar to be moved up along the extending direction of guide sleeve, and then sliding bar can drive projector to move up, and projector can reduce projector by ball a possibility that hitting after moving up, projector can finally be effectively protected.
Description
Technical field
The utility model relates to teaching equipment technical field, in particular to a kind of projection arrangement for campus gymnasium.
Background technique
Gymnasium in campus not only provides the place for carrying out sports to student, while when school needs tissue some
When the party or speech of large size, projector would generally be installed in gymnasium, project the content of meeting to facilitate；
Wherein since gymnasium top shelf is equipped with bracket and bracket is for installing headlamp, therefore projector is typically mounted on bracket；But
It is that sports are often held in gymnasium, it is ball to be easy to hit projection in high aerial leap therefore when playing ball games
Instrument is finally possible to cause the damage of projector.
Utility model content
The purpose of the utility model is to provide a kind of projection arrangements for campus gymnasium, can reduce projector by ball
A possibility that class is hit.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of for campus sport
The projection arrangement in shop is provided with to be located on the bracket and throw including the bracket at the top of gymnasium, the projector that is arranged on bracket
The guide sleeve extended above shadow instrument and along the vertical direction, is provided with that one end is connected on projector and the other end is worn on the bracket
The sliding bar of guide sleeve is crossed, the support that one end is located at wall side and the other end is located at sliding bar side is provided on the bracket
Bar, the both ends of the support rod are provided with guide wheel, and one end is provided on the bracket and is fixed on sliding bar far from projector
On one end and the other end passes through after two guide wheels to the lower drawstring to hang naturally, is provided with and is used between the drawstring and support rod
Projector is moved to the locating piece at different height, the locating piece includes one that the separate sliding bar of the support rod is arranged in
On end and along extend straight down connecting rod, multiple extending direction uniform intervals being arranged in connecting rod and along connecting rod point
The suspension hook of cloth, the positioning ring for being arranged on drawstring and being used to pass through for suspension hook.
The utility model is further arranged to: the lower end of the connecting rod is provided with the winding for drawstring lower end winding
Axis, the Scroll is far from being provided with rotational handle on one end of connecting rod.
The utility model is further arranged to: the lower end of the projector is provided with multiple uniform along projector side
The buffer spring being spaced apart.
The utility model is further arranged to: the buffer spring is far from being provided with protective plate on one end of projector.
The utility model is further arranged to: the protective plate is provided with spongy layer far from the side of buffer spring.
The utility model is further arranged to: the side of the sliding bar upper end is provided with for contradicting in guide sleeve
Stop collar on end face.
In conclusion the utility model has the following beneficial effects:
1. when projector without using when, operator pull drawstring, drawstring can drive sliding bar along guide sleeve
Extending direction is moved up, and then sliding bar can drive projector to move up, and projector can reduce projector after moving up
By ball a possibility that hitting, projector can finally be effectively protected；It is wherein passed through using guide sleeve for sliding bar, is led at this time
It can play the role of guiding to the movement of sliding bar to set, reduce the possibility that double swerve occurs when moving up and down for sliding bar
Property, it can finally be conducive to projector and accurately be projected on the projection surface when using next time；Work as simultaneously and needs to projector
When position after movement is positioned, using multiple suspension hooks in connecting rod, while using the positioning ring on drawstring, with drawstring
Movement, positioning ring is that can be moved at suspension hook at different location, and operator only needs to pass through positioning ring for suspension hook, i.e.,
The position of projector can be positioned；
2., using the Scroll and rotational handle of connecting rod lower end, operator rotates winding when needing to pull drawstring
Rotational handle on axis can drive Scroll to rotate, final to may make operator that eaily pull drawstring；
3. using the buffer spring of projector lower end and the protective plate of buffering lower spring end, while using protective plate far from slow
The spongy layer for rushing spring side, it is ball to impinge upon with spongy layer first when ball leap towards projector side is come
Protective plate on, spongy layer can play buffer function at this time, to reduce ball shock dynamics, simultaneous buffering spring can also
To play the role of buffering, to further decrease ball shock dynamics, can finally reduce that projector is damaged can
It can property；
4. when drawstring is got loose, projector will be fallen from high vacancy, thus will cause the damage of projector,
The stop collar of sliding bar upper end, when drawstring gets loose and slides bar and move down along guide sleeve, stop collar are utilized at this time
It can play the role of limit to position of the sliding bar in guide sleeve, as the upper end of sliding bar is moved to the position of guide sleeve
Place, stop collar can contradict on the upper surface of guide sleeve, can finally reduce sliding bar and continue a possibility that falling, to have
Conducive to protection projector.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Appended drawing reference: 1, bracket；2, projector；21, buffer spring；22, protective plate；221, spongy layer；3, guide sleeve；4,
Slide bar；41, stop collar；5, support rod；51, guide wheel；6, drawstring；7, locating piece；71, connecting rod；711, Scroll；712, turn
Fixed handle；72, suspension hook；73, positioning ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of projection arrangement for campus gymnasium, referring to Fig.1, projection arrangement of this kind for campus gymnasium includes
Bracket 1 and the projector 2 on bracket 1, wherein bracket 1 is bolted on the top in gymnasium, at the same on bracket 1 and
It is welded with guide sleeve 3 positioned at the top of projector 2, and guide sleeve 3 extends along vertical direction；Wherein one is provided on bracket 1
End is bolted on projector 2 and the other end passes through the sliding bar 4 of guide sleeve 3, and slides the side one of 4 upper end of bar
It is provided with for contradicting the stop collar 41 on 3 upper surface of guide sleeve, slides the moving up and down i.e. on guide sleeve 3 of bar 4 at this time
Projector 2 can be driven to move up and down.
Referring to Fig.1, support rod 5 has also been bolted on bracket 1, and support rod 5 is horizontally extending, wherein propping up
One end of strut 5 is located at the side of gymnasium wall and the other end is located at sliding 4 side of bar；The both ends of support rod 5 are logical simultaneously
It crosses bolt and is fixed with guide wheel 51, drawstring 6 is wherein additionally provided on bracket 1, and one end bundled fixed of drawstring 6 is remote in sliding bar 4
On one end from projector 2, and drawstring 6 far from one end of sliding bar 4 pass through after two guide wheels 51 the side close to wall from
So hang downwards.
Referring to Fig.1, the locating piece for being moved to projector 2 at different height is provided between drawstring 6 and support rod 5
7, this kind of locating piece 7 includes connecting rod 71, suspension hook 72 and positioning ring 73, and wherein it is remote to be welded on support rod 5 for one end of connecting rod 71
On one end from sliding bar 4, and connecting rod 71 extends along vertically downward direction, at the same suspension hook 72 be provided with it is multiple and along connecting rod
71 extending direction is evenly spaced on, and wherein positioning ring 73 is bundled on drawstring 6 and passes through for suspension hook 72.
Referring to Fig.1, the lower end of connecting rod 71 also passes through bearing and is rotatably connected to Scroll 711, and drawstring 6 is far from sliding bar 4
One end be bolted rotational handle on Scroll 711, and on the one end of Scroll 711 far from connecting rod 71
712, as the rotation of rotational handle 712 can drive Scroll 711 to rotate, Scroll 711 can wind drawstring 6 at this time
Come.
Referring to Fig.1, the lower end of projector 2 is also set up there are four buffer spring 21, and four buffer springs 21 are along projection
The side of instrument 2 is evenly spaced on；Protective plate 22 is wherein provided on the one end of buffer spring 21 far from projector 2, four slow
It rushes the one end of spring 21 far from projector 2 to be bolted on protective plate 22, while protective plate 22 is far from buffer spring
Spongy layer 221 is also bonded on 21 side outer wall.
Principle: when projector 2 without using when, operator pulls drawstring 6, and drawstring 6 can drive sliding bar 4 along leading
It is moved up to the extending direction of set 3, then sliding bar 4 can drive projector 2 to move up, after projector 2 moves up
Reduce projector 2 by ball a possibility that hitting, projector 2 can finally be effectively protected；Work as simultaneously and needs to move projector 2
When position after dynamic is positioned, using multiple suspension hooks 72 in connecting rod 71, while the positioning ring 73 on drawstring 6 is utilized, with
The movement of drawstring 6, positioning ring 73 be that can be moved at suspension hook 72 at different location, operator only needs positioning ring 73
It passes through, the position of projector 2 can be positioned for suspension hook 72.
And when projector 2 needs in use, positioning ring 73 is taken out from suspension hook 72, then release drawstring 6, drawstring 6 are
It can fall under the action of 2 self gravity of projector, it, can be again by positioning ring 73 after falling on suitable position under projector 2
It passes through for suspension hook 72, projector 2 can be finally located at the position of work, needed for facilitating projector 2 to project.
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 (6)
1. a kind of projection arrangement for campus gymnasium, including at the top of gymnasium bracket (1), be arranged on bracket (1)
Projector (2), it is characterised in that: be provided on the bracket (1) above projector (2) and what is extended along the vertical direction leads
To set (3), it is provided with that one end is connected on projector (2) and the other end passes through the sliding bar of guide sleeve (3) on the bracket (1)
(4), the support rod (5) that one end is located at wall side and the other end is located at sliding bar (4) side is provided on the bracket (1),
The both ends of the support rod (5) are provided with guide wheel (51), and one end is provided on the bracket (1) and is fixed on sliding bar (4) far
On one end from projector (2) and the other end passes through two guide wheels (51) drawstring (6) that lower nature hangs backward, the drawstring
(6) locating piece (7) for being moved to projector (2) at different height, the locating piece are provided between support rod (5)
(7) include setting the support rod (5) far from sliding bar (4) one end on and along extend straight down connecting rod (71),
Multiple suspension hooks (72) for being arranged on connecting rod (71) and being evenly spaced on along the extending direction of connecting rod (71), setting are being drawn
Positioning ring (73) on rope (6) and for being passed through for suspension hook (72).
2. a kind of projection arrangement for campus gymnasium according to claim 1, it is characterised in that: the connecting rod
(71) lower end is provided with the Scroll (711) for drawstring (6) lower end winding, and the Scroll (711) is far from connecting rod (71)
One end on be provided with rotational handle (712).
3. a kind of projection arrangement for campus gymnasium according to claim 1, it is characterised in that: the projector
(2) lower end is provided with multiple buffer springs (21) being evenly spaced on along projector (2) side.
4. a kind of projection arrangement for campus gymnasium according to claim 3, it is characterised in that: the buffer spring
(21) protective plate (22) are provided on one end far from projector (2).
5. a kind of projection arrangement for campus gymnasium according to claim 4, it is characterised in that: the protective plate
(22) side far from buffer spring (21) is provided with spongy layer (221).
6. a kind of projection arrangement for campus gymnasium according to claim 1, it is characterised in that: the sliding bar
(4) side of upper end is provided with for contradicting the stop collar (41) on guide sleeve (3) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085311.2U CN208605843U (en) | 2018-07-10 | 2018-07-10 | A kind of projection arrangement for campus gymnasium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085311.2U CN208605843U (en) | 2018-07-10 | 2018-07-10 | A kind of projection arrangement for campus gymnasium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605843U true CN208605843U (en) | 2019-03-15 |
Family
ID=65668359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821085311.2U Active CN208605843U (en) | 2018-07-10 | 2018-07-10 | A kind of projection arrangement for campus gymnasium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599931A (en) * | 2019-09-28 | 2019-12-20 | 临海市启致灯具有限公司 | LED (light-emitting diode) overhead projection lamp box |
-
2018
- 2018-07-10 CN CN201821085311.2U patent/CN208605843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599931A (en) * | 2019-09-28 | 2019-12-20 | 临海市启致灯具有限公司 | LED (light-emitting diode) overhead projection lamp box |
| CN110599931B (en) * | 2019-09-28 | 2020-08-28 | 浏阳天艺广告装饰工程有限公司 | LED (light-emitting diode) overhead projection lamp box |
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