CN205979052U - Posture multimedia projector curtain that can fold up - Google Patents
Posture multimedia projector curtain that can fold up Download PDFInfo
- Publication number
- CN205979052U CN205979052U CN201620935558.3U CN201620935558U CN205979052U CN 205979052 U CN205979052 U CN 205979052U CN 201620935558 U CN201620935558 U CN 201620935558U CN 205979052 U CN205979052 U CN 205979052U
- Authority
- CN
- China
- Prior art keywords
- regulation pipe
- curtain
- handle bracket
- tube
- mounting disc
- 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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- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a posture multimedia projector curtain that can fold up, including support and projection curtain assembly, projection curtain assembly includes the casing, pivot and curtain, the pivot is passed through the spring and is connected with the casing, the one end and the pivot fixed connection of curtain, other end fixedly connected with pull rod, the support includes the mounting disc and the stay tube of coaxial setting, the adjustable length of stay tube, the quotation fixed connection of its lower extreme and mounting disc, be provided with four round pin axles in the mounting disc, sell the epaxial foot pipe that is connected with respectively every, the other end of every foot pipe is provided with the universal wheel, sell the axle and install at the epaxial foot of round pin pipe transition fit for every, be equipped with the hand (hold) seat on the stay tube, the casing rotationally sets up on the hand (hold) seat, is equipped with the hangers on the pull rod, is equipped with the insertion portion spare that suits with the hangers in the upper end of stay tube. It is high to gather together the degree after folding up, very saves space, and still can move at will, and very convenient, easy operation has high practicality.
Description
Technical field
This utility model belongs to projection equipment technical field and in particular to a kind of foldable stent-type multimedia overhead projector
Curtain.
Background technology
With projector in people's routine work and life using increasingly increasing, people are to the demand of projection screen increasingly
Increase.Projection screen of the prior art is typically using hanging mounting means, but is as the miniaturization of projector, portability, family
The development in front yard is ordered about, and can not meet the demand of people using the projection screen hanging mounting means, then just occur in that support
The projection screen of formula, the projection screen of stent-type is easy to move, and is not limited by place institute on using, and cooperation mobile projector instrument can be in office
Where side uses.
In prior art, the projection screen of common stent-type mainly includes outer housing, spool, curtain, support bar and leg,
Setting spool in the outer housing of projection screen, curtain one ends wound and closes in outer housing on spool.During use, need manually by curtain
One end level or pull out upwards in outer housing, then fixing the curtain other end makes it will not automatically retract.After terminating,
Manually curtain is taken off and closes up realization from fixing end again and fold.But, the support of existing projection screen cannot folding or
Or projection screen and support still take larger space after folding, and because it is from great, it is not easy to overall moving, and
Projection screen and support folding process are complicated, thus cause inconvenience to user.Solving problem above becomes the task of top priority.
Utility model content
For solving above technical problem, this utility model provides a kind of simple to operate, save space, is easy to receiving of movement
The stent-type multimedia overhead projector curtain of folding.
For achieving the above object, technical solutions of the utility model are as follows：
A kind of foldable stent-type multimedia overhead projector curtain, including support and the projection screen assembly being arranged on this support,
Described projection screen assembly includes housing, the rotating shaft being arranged in this housing and the curtain in this rotating shaft, at described turn
It is provided with the spring for furling curtain, one end of described curtain is fixedly connected with described rotating shaft, and the other end is worn between axle and housing
It is fixedly connected with pull bar, it is characterized by after going out described housing：Described support includes the mounting disc being coaxially disposed and support tube, should
The adjustable length of support tube, its lower end is fixedly connected with the card of described mounting disc, is provided with four and is in described mounting disc
Cruciform symmetry is distributed in the bearing pin of described support tube surrounding, is connected to a foot tube, every institute on every described bearing pin
The one end stating foot tube is installed in rotation in described mounting disc by bearing pin, and the other end is provided with universal wheel, every bearing pin with
It is arranged on the foot tube interference fits on this bearing pin；Handle bracket moving up and down is provided with described support tube, described housing can
It is rotatably arranged on this handle bracket, described pull bar is provided with hangers, be provided with and this hangers phase in the upper end of described support tube
The hanging member adapting to.
Using above structure, by rotating the relative position adjusting between four foot tube, bracket adjustment can be beaten for pin
The folding state that the use state opened or pin are gathered, and the length of support tube can be adjusted according to actual needs；Support
It is in cruciform symmetry in a state of use between foot tube, using the teaching of the invention it is possible to provide while stablizing, reliably support, by rotating housing, draw
Go out curtain and hangers is hung on hanging member, then adjust handle bracket to correct position, curtain can be made to be sufficiently spread out, supply
Projector projects image, simultaneously universal wheel be easy to mobile adjusting position；When not needing using curtain, curtain can be received completely
To in housing, and housing is rotated to the state parallel with the support tube of support, then support tube is adjusted short, handle bracket is adjusted
Low, finally rotation foot tube, so as to gather two-by-two, is in approximately straight line, after folding, whole equipment gathers strong, ten merogenesis
Save space, and still arbitrarily can be moved by universal wheel, very convenient, whole process is simple to operate, has high practicality.
As preferred：Described support tube includes the first regulation pipe being coaxially disposed from top to bottom and the second regulation pipe, and this
One end of two regulation pipes is located in described first regulation pipe, is provided with the junction of described first regulation pipe and the second regulation pipe
Locking nut for locking or unblock the first regulation pipe and the second regulation pipe relative position.Using above structure, structure is simple,
Reliable and practical, stretch into the degree of the first regulation pipe by adjusting the second regulation pipe, realize to the regulation supporting length of tube.
As preferred：Described handle bracket is set in described first regulation pipe, this handle bracket is provided with for locking or
Unblock handle bracket and the lockable mechanism of the first regulation pipe relative position, this lockable mechanism is controlled by the button of pulling being arranged on handle bracket
System.Using above structure, by adjusting the height of handle bracket, realize adjusting the height of curtain.
As preferred：It is respectively provided on two sides with least one limited block in every described foot tube, be used for making four foot tube be in
Cruciform symmetry distribution or two-by-two one group gather.Using above structure, set the maximum displacement of every foot tube, foot tube is beaten relatively
Structure when opening or gathering and position relationship are controlled so as to have strong enabling capabilities when opening, gather when
While time occupies less space, it is easy to move position.
As preferred：Two groups of described foot tube gathered symmetrically are divided with wherein one a diameter of centrage both sides of mounting disc
Cloth.Using above structure, make the shape of whole device tall and thin, be easy to through narrow region so as to obtain the preferably property passed through.
As preferred：Described foot tube adopts rectangular tube.Using above structure, foot tube is made more to fit with mounting disc, and then
Mounting disc is enable to provide more preferable supporting role to foot tube.
As preferred：It is provided with rotating dog between described housing and handle bracket, the first torsion spring is passed through in one end of this rotating dog
It is connected with described housing, the other end of described rotating dog is connected with described handle bracket by the second torsion spring.Using above structure, when
When whole equipment needs folding, enable housing to be turned back to the state parallel with support tube, and make it be always maintained at this state, this
When housing will not tilt or pay, make whole equipment gather degree under folding state higher.
Compared with prior art, the beneficial effects of the utility model are：
The foldable stent-type multimedia overhead projector curtain being provided using this utility model, structure is novel, it is easy to accomplish, can
Gather strong after effectively meeting projection needs, and, folding, still can pass through universal very after save space, and folding
Wheel arbitrarily moves, very convenient, entirely opens simple with folding process operation, has high practicality.
Brief description
Fig. 1 is the perspective view under this utility model open mode；
Fig. 2 is the planar structure schematic diagram under this utility model open mode；
Fig. 3 is the perspective view under this utility model folding state；
Fig. 4 is the planar structure schematic diagram under this utility model folding state；
Fig. 5 is structural representation under folding state for the foot tube；
Fig. 6 is foot tube structural representation in the on-state.
Specific embodiment
The utility model is described in further detail with accompanying drawing with reference to embodiments.
Refer to Fig. 1～Fig. 4, a kind of foldable stent-type multimedia overhead projector curtain, including shadow curtain assembly 1 and support 2.Institute
State projection screen assembly 1 and include housing 11 and curtain 12, in described housing 11, be provided with rotating shaft, described rotating shaft and housing 11 it
Between be provided with spring for furling curtain 12, this spring can be scroll spring, described curtain 12 in rotating shaft, its one end with
Described rotating shaft is fixedly connected, and the other end is fixedly connected with pull bar 13 after passing described housing 11, is provided with hangers 15 on pull bar 13,
Curtain 12 can be pulled out by pulling hangers 15, when decontroling hangers 15, rotating shaft rotates backward under the action of the spring, makes curtain
12 retractions, are tightly wound around in rotating shaft.
Refer to Fig. 1, Fig. 3, Fig. 5 and Fig. 6, described support 2 includes the mounting disc 21 being coaxially disposed and support tube 22, this
The adjustable length of stay tube 22, its lower end is fixedly connected with the card of described mounting disc 21, and described support tube 22 is included from top to bottom
The first regulation pipe 221 being coaxially disposed and the second regulation pipe 222, one end of this second regulation pipe 222 is located in described first tune
In section pipe 221, it is provided with for locking or unblock first tune in the junction of described first regulation pipe 221 and the second regulation pipe 222
Section pipe 221 and the locking nut 223 of the second regulation pipe 222 relative position.Being provided with four in described mounting disc 21 is in cross
It is symmetrically distributed in the bearing pin 24 of described support tube 22 surrounding, every described bearing pin 24 is connected to a square foot tube
23, one end of every described foot tube 23 is installed in rotation in described mounting disc 21 by bearing pin 24, and the other end is provided with ten thousand
To wheel 25, every bearing pin 24 and foot tube 23 interference fits being arranged on this bearing pin 24, make the foot tube 23 can only be in the effect of external force
Lower ability rotates relative to bearing pin 24.
Refer to Fig. 1～Fig. 4, handle bracket 14 moving up and down is provided with described support tube 22, described housing 11 can
It is rotatably arranged on this handle bracket 14, described handle bracket 14 is set in described first regulation pipe 221, on this handle bracket 14
It is provided with the lockable mechanism for locking or unblock handle bracket 14 and the first regulation pipe 221 relative position, this lockable mechanism passes through to set
The button 141 of pulling put on handle bracket 14 controls, and after unblock handle bracket 14, handle bracket 14 can rotate relative to the first regulation pipe 221
Or move up and down.It is provided with rotating dog between described housing 11 and handle bracket 14, the first torsion spring is passed through in one end of this rotating dog
It is connected with described housing 11, the other end of described rotating dog is connected with described handle bracket 14 by the second torsion spring, works as whole equipment
When needing folding, enable housing 11 to be turned back to the state parallel with support tube 22, and make it be always maintained at this state, now shell
Body 11 will not tilt or pay, and make whole equipment gather degree under folding state higher.And the upper end in described support tube 22
It is provided with the hanging member 26 being adapted with this hangers 15, hangers 15 can be articulated on hanging member 26, make curtain 12 keep beating
The state opened.
Refer to Fig. 5 and Fig. 6, be respectively provided on two sides with a limited block 27 in every described foot tube 23, be used for making four
Foot tube 23 be in cruciform symmetry distribution or two-by-two one group gather, two groups of described foot tube 23 gathered are with wherein one of mounting disc 21
A diameter of centrage both sides are symmetrical.Set the maximum displacement of every foot tube 23, when foot tube 23 is relatively opened or gathered
Structure and position relationship are controlled, and while occupying less space, are easy to move position when gathering.
Work process of the present utility model is as follows：
When shadow curtain assembly 1 and support 2 need to open and use, adjust the relative position of four foot tube 23 first so as to be in
Criss-cross open mode, then so as to keep level, pulling hangers 15 makes curtain 12 be drawn out to rotation housing 11, and will hang
Ear 15 hangs on hanging member 26, then unscrews locking nut 223, the second regulation pipe 222 is above carried and rotates and throw to projector
Shadow need correct position, after the completion of tighten locking nut 223, then push aside and pull button 141, adjust handle bracket 14 arrive projector throw
The position that shadow needs, makes curtain 12 be fully expanded and curtain 12 rotates and is pulled down to the suitable position of projector needs
Put, after the completion of locking pull button 141.
When shadow curtain assembly 1 and support 2 need folding, push aside first and pull button 141, adjust handle bracket 14 and arrive suitable storage
Highly, then button 141 is pulled in locking, then makes hangers 15 depart from hanging member 26, and so that curtain 12 is fully retracted in housing 11, complete
Become back casing 11 to automatically return to the plumbness parallel with support tube 22, then unscrew locking nut 223, by the second regulation pipe
222 downward reduce height, after the completion of tighten locking nut 223, finally adjust the relative position of four foot tube 23 so as to two-by-two one
Group is gathered.
Finally it should be noted that foregoing description is only preferred embodiment of the present utility model, the common skill of this area
Art personnel, under enlightenment of the present utility model, without prejudice on the premise of this utility model objective and claim, can make
Represent as multiple types, such conversion each falls within protection domain of the present utility model.
Claims (7)
1. a kind of foldable stent-type multimedia overhead projector curtain, including support (2) with the projection screen that is arranged on this support (2) is total
Become (1), described projection screen assembly (1) includes housing (11), the rotating shaft being arranged in this housing (11) and wound on this rotating shaft
On curtain (12), be provided with the spring for furling curtain (12), described curtain (12) between described rotating shaft and housing (11)
One end be fixedly connected with described rotating shaft, the other end is fixedly connected with pull bar (13) after passing described housing (11), its feature exists
In：Mounting disc (21) and support tube (22) that described support (2) inclusion is coaxially disposed, the adjustable length of this support tube (22), its
Lower end is fixedly connected with the card of described mounting disc (21), and being provided with four in described mounting disc (21) is in cruciform symmetry distribution
In the bearing pin (24) of described support tube (22) surrounding, every described bearing pin (24) is connected to a foot tube (23), often
One end of foot tube described in root (23) is installed in rotation in described mounting disc (21) by bearing pin (24), and the other end is provided with ten thousand
To wheel (25), every bearing pin (24) and foot tube (23) interference fits being arranged on this bearing pin (24)；
Handle bracket moving up and down (14) is provided with described support tube (22), described housing (11) is rotatably arranged in this
On handle bracket (14), hangers (15) is provided with described pull bar (13), is provided with and this hangers in the upper end of described support tube (22)
(15) hanging member (26) being adapted.
2. foldable stent-type multimedia overhead projector curtain according to claim 1 it is characterised in that：Described support tube (22)
Including the first regulation pipe (221) being coaxially disposed from top to bottom and the second regulation pipe (222), the one of this second regulation pipe (222)
End is located in described first regulation pipe (221), in the junction of described first regulation pipe (221) and the second regulation pipe (222)
It is provided with the locking nut (223) for locking or unblock the first regulation pipe (221) and the second regulation pipe (222) relative position.
3. foldable stent-type multimedia overhead projector curtain according to claim 2 it is characterised in that：Described handle bracket (14)
It is set on described first regulation pipe (221), this handle bracket (14) is provided with for locking or unblock handle bracket (14) and the
The lockable mechanism of one regulation pipe (221) relative position, this lockable mechanism is controlled by the button (141) of pulling being arranged on handle bracket (14)
System.
4. the foldable stent-type multimedia overhead projector curtain according to any one of claims 1 to 3 it is characterised in that：?
Every described foot tube (23) be respectively provided on two sides with least one limited block (27), be used for making four foot tube (23) to be in cruciform symmetry
Distribution or two-by-two one group gather.
5. foldable stent-type multimedia overhead projector curtain according to claim 4 it is characterised in that：Two groups gather described
Foot tube (23) is symmetrical with wherein one a diameter of centrage both sides of mounting disc (21).
6. foldable stent-type multimedia overhead projector curtain according to claim 1 it is characterised in that：Described foot tube (23) is adopted
Use rectangular tube.
7. foldable stent-type multimedia overhead projector curtain according to claim 1 it is characterised in that：In described housing (11)
It is provided with rotating dog and handle bracket (14) between, one end of this rotating dog is connected with described housing (11) by the first torsion spring, described
The other end of rotating dog is connected with described handle bracket (14) by the second torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935558.3U CN205979052U (en) | 2016-08-25 | 2016-08-25 | Posture multimedia projector curtain that can fold up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620935558.3U CN205979052U (en) | 2016-08-25 | 2016-08-25 | Posture multimedia projector curtain that can fold up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205979052U true CN205979052U (en) | 2017-02-22 |
Family
ID=58035056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620935558.3U Expired - Fee Related CN205979052U (en) | 2016-08-25 | 2016-08-25 | Posture multimedia projector curtain that can fold up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205979052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108364505A (en) * | 2018-02-26 | 2018-08-03 | 许昌学院 | A kind of portable Digital Media instructional device |
| WO2018196025A1 (en) * | 2017-04-24 | 2018-11-01 | 吴槐 | Foldable movable frame device |
-
2016
- 2016-08-25 CN CN201620935558.3U patent/CN205979052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018196025A1 (en) * | 2017-04-24 | 2018-11-01 | 吴槐 | Foldable movable frame device |
| CN108364505A (en) * | 2018-02-26 | 2018-08-03 | 许昌学院 | A kind of portable Digital Media instructional device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |