CN108628079A - A kind of projection screen component and the optical projection system with it - Google Patents
A kind of projection screen component and the optical projection system with it Download PDFInfo
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- CN108628079A CN108628079A CN201710152439.XA CN201710152439A CN108628079A CN 108628079 A CN108628079 A CN 108628079A CN 201710152439 A CN201710152439 A CN 201710152439A CN 108628079 A CN108628079 A CN 108628079A
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- China
- Prior art keywords
- bar
- fixed link
- motion bar
- upper support
- screen component
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
Abstract
The invention discloses a kind of projection screen component and with its optical projection system, wherein, projection screen component includes pedestal, upper support bar, two edge supporting rods, cross bar and curtain, each edge supporting rod respectively includes fixed link, fixing sleeve and motion bar, one end of fixed link is connected with the both ends of upper support bar, fixation is set on the other end of fixed link and is connect with fixed link, motion bar is equipped with multiple motion bar limiting slots arranged spaced apart, one end of motion bar is telescopically connected with pedestal plug connection and the other end with fixed link, the both ends of cross bar are respectively equipped with the connection-peg suitable for coordinating with motion bar limiting slot, two connection-pegs are scalable to be connected with motion bar limiting slot along the axial direction of cross bar, curtain is removably mounted in the frame that edge supporting rod is formed with upper support bar.The structure of projection screen component according to the ... of the embodiment of the present invention is simple, is convenient to mount and dismount, is easy to carry, using flexible, can adjust the projection size of curtain to be adapted to different operating place.
Description
Technical field
The present invention relates to projection device technical fields, more particularly, to a kind of projection screen component and with its throwing
Shadow system.
Background technology
Currently, multimedia technology is widely used in the fields such as teaching, engineering, business office, publicity, multimedia system is usual
Including projection device and curtain component, existing curtain component structure is complex, is generally required by some in disassembly process
Conventional tool, such as screwdriver, spanner etc., moreover, curtain component is often extremely inconvenient when moving, for being torn open in some needs
The special occasions of dress is such as outdoor, publicizes meeting-place, and not readily portable, assembling increases use cost, in addition, existing curtain group
Part can not usually adjust curtain size, be not easy to adjustment occupied space to adapt to different fields of employment, these often give user
It brings greater inconvenience.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the present invention proposes a kind of projection screen component, the structure of the projection screen component is simple, is convenient to mount and dismount, just
In carrying, using flexible, the projection size of curtain can be adjusted to be adapted to different operating place.
The present invention also proposes a kind of optical projection system with above-mentioned projection screen component.
The projection screen component of embodiment according to a first aspect of the present invention, including pedestal；Upper support bar, the upper support bar
Extend generally in a horizontal direction；Two edge supporting rods, each edge supporting rod respectively include fixed link, fixing sleeve and work
Lever, one end of the fixed link are connected with the both ends of the upper support bar, and the fixation is set in the another of the fixed link
It is connect on end and with the fixed link, the motion bar is equipped with multiple motion bar limiting slots arranged spaced apart, the activity
One end of bar is telescopically connected with the pedestal plug connection and the other end with the fixed link；Cross bar, the two of the cross bar
End is respectively equipped with the connection-peg suitable for coordinating with the motion bar limiting slot, and the axial length of the cross bar is no more than described in two
The distance being spaced between the motion bar of edge supporting rod, the distance between opposite both ends of two connection-pegs are more than two institutes
State the distance being spaced between the motion bar of edge vertical tube, two connection-pegs along the cross bar axial direction it is scalable with it is described
Motion bar limiting slot is connected；Curtain, the curtain are removably mounted at the edge supporting rod and the upper support bar shape
At frame in.
Projection screen component according to the ... of the embodiment of the present invention, by setting edge supporting rod to retractable structure, and
It is respectively equipped with connection-peg in the both ends end of cross bar, by the mating reaction between connection-peg and motion bar limiting slot, to real
Existing quick connection between cross bar and edge supporting rod, and then convenient for the assembly and disassembly of projection screen component, moreover, being supported using edge
Bar also allows for transport using retractable structure and carries, user-friendly, improves user experience.The projection screen component has
It is simple in structure, be convenient to mount and dismount, be easy to carry, using flexible the characteristics of, without using tool in assembling and dissembling process, can both simplify
Assembling process saves the assembly and disassembly time, and can reach laborsaving purpose, improves user experience.
In addition, projection screen component according to the ... of the embodiment of the present invention, can also have following additional technical characteristic：
According to one embodiment of present invention, the fixed link is equipped with fixed link limiting slot, and the fixing sleeve is equipped with
Limited block, the limited block are plugged in the motion bar limiting slot by the fixed link limiting slot with the fixation fixed link
With the relative position of the motion bar.
According to one embodiment of present invention, the both ends end of the cross bar is respectively equipped with movable component, the connection-peg
It is connected with the movable component with the relatively described cross bar telescopic action.
According to one embodiment of present invention, the movable component includes：Casing, described sleeve pipe are plugged on the cross bar
End；Movable part, the movable part is along the axially extending of described sleeve pipe and is telescopically located in described sleeve pipe, the movable part
It is equipped with boss, one end of the movable part stretches out described sleeve pipe and is connected with the connection-peg；Fixing nut, the fixing nut
It is connected with the other end of the movable part the movable part to be fixed in described sleeve pipe.
According to one embodiment of present invention, the projection screen component further includes：Spring, the spring are set in described
On movable part, one end end face of described sleeve pipe and the boss are only supported in the both ends of the spring respectively.
According to one embodiment of present invention, the cross bar and the upper support bar are respectively formed as telescopic rod.
According to one embodiment of present invention, the projection screen component further includes：Adapter, the adapter are located at institute
It states between edge supporting rod and the upper support bar to connect the edge supporting rod and the upper support bar.
According to one embodiment of present invention, affiliated curtain and the edge supporting rod, the upper support bar and described
It is connected by hook or velcro between cross bar.
According to one embodiment of present invention, the curtain includes multiple, the curtain of multiple and different sizes and the edge
The frame that supporting rod and the upper support bar are formed coordinates to adjust projection size.
The optical projection system of embodiment according to a second aspect of the present invention includes the projection screen group according to above-described embodiment
Part；Projection device, the projection device is interior to be equipped with rechargeable battery；Projection bracket, the projection device are detachably arranged in described
On projection bracket.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the structural schematic diagram of optical projection system according to the ... of the embodiment of the present invention；
Fig. 2 is portion's dress figure of projection screen component according to the ... of the embodiment of the present invention；
Fig. 3 is the enlarged drawing of A portions described in Fig. 2；
Fig. 4 is the enlarged drawing of B portions described in Fig. 2.
Reference numeral：
100：Projection screen component；
10：Pedestal；
20：Upper support bar；
30：Edge supporting rod；
31：Fixed link；31a：Fixed link limiting slot；32：Fixing sleeve；32a：Limited block；
33：Motion bar；33a：Motion bar limiting slot；
40：Cross bar；41：Connection-peg；
50：Curtain；
60：Movable component；
61：Casing；62：Movable part；62a：Boss；63：Fixing nut；64：Spring；
70：Adapter；
80：Projection device；
90：Projection bracket.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Attached Fig. 1 to Fig. 4 is combined to specifically describe the projection screen component of embodiment according to a first aspect of the present invention first below
100。
Projection screen component 100 according to the ... of the embodiment of the present invention, including 20, two pedestal 10, upper support bar edge supports
Bar 30, cross bar 40 and curtain 50.
Specifically, upper support bar 20 extends generally in a horizontal direction, each edge supporting rod 30 respectively includes fixed link
31, one end of fixing sleeve 32 and motion bar 33, fixed link 31 is connected with the both ends of upper support bar 20, and fixing sleeve 32 is located at fixed link
It is connect on 31 other end and with fixed link 31, motion bar 33 is equipped with multiple motion bar limiting slot 33a arranged spaced apart, living
One end of lever 33 is telescopically connected with 10 plug connection of pedestal and the other end with fixed link 31, and the both ends of cross bar 40 are set respectively
Have suitable for the connection-peg 41 with the 33a cooperations of motion bar limiting slot, the axial length of cross bar 40 is not more than two edge supporting rods 30
Motion bar 33 between the distance that is spaced, the distance between opposite both ends of two connection-pegs 41 are more than the work of two edge vertical tubes
The distance being spaced between lever 33, two connection-pegs 41 are scalable to coordinate with motion bar limiting slot 33a along the axial direction of cross bar 40
Connection, curtain 50 are removably mounted in the frame that edge supporting rod 30 is formed with upper support bar 20.In other words, the projection screen
Component 100 is mainly made of pedestal 10,20, two edge supporting rods 30 of upper support bar, cross bar 40 and curtain 50, two pedestals 10
It is located at 30 bottom of edge supporting rod, and can be coordinated with the lower end of edge supporting rod 30 so that edge supporting rod 30 is plugged on
The supporting role to two edge supporting rods 30 is realized in pedestal 10, it is preferable that pedestal 10 is ferrous material, to ensure entirety
The stability of structure.
Further, edge supporting rod 30 is mainly made of fixed link 31, fixing sleeve 32 and motion bar 33, upper support bar 20
In the horizontal direction (left and right directions as shown in Figure 2) extend, one end (upper end of fixed link 31 as shown in Figure 1) of fixed link 31 with
Upper support bar 20 is connected, and the other end (lower end of fixed link 31 as shown in Figure 1) of fixed link 31 is arranged with fixing sleeve 32, motion bar
33 are equipped with vertically (upper and lower directions as shown in Figure 2) motion bar limiting slot 33a arranged spaced apart, under motion bar 33
End is plugged on pedestal 10, and the upper end of motion bar 33 is set in fixed link 31, so that motion bar 33 can be relative to
The elongation downwards of fixed link 31 is shunk upwards, and then realizes the adjusting of 30 entire length of edge supporting rod, easy to carry, assembling.
Furthermore the both ends (i.e. left part and right part) of cross bar 40 are respectively equipped with matched with motion bar limiting slot 33a
Connection-peg 41, connection-peg 41 and motion bar limiting slot 33a are mating to realize the stabilization of the frame of the formation of edge supporting rod 30
Property, furthermore, it is also possible to ensure the extension area of curtain 50.
In addition, the circumferential lengths of cross bar 40 are less than or equal to the spacing distance between two edge supporting rods 30, to
Convenient between the assembling of cross bar 40 and edge supporting rod 30, being located between the opposite both ends of connection-peg 41 of 30 end of edge supporting rod
Distance be more than the spacing of two edge supporting rods 30, two connection-pegs 41 can be flexible along the axial direction of cross bar 40, to
It is matched with the motion bar limiting slot 33a on the motion bar 33 of edge supporting rod 30, realizes the lower end to edge supporting rod 30
Supporting role, effectively maintain the stability of the frame formed between edge supporting rod 30 and upper support bar 20, ensure curtain
50 can fully extend.
In assembly, first, by telescopic movable rod 33 to adjust the relative position between motion bar 33 and fixed link 31
(adjusting for realizing 30 entire length of edge supporting rod), and be fastenedly connected by fixing sleeve 32；Secondly, by upper support bar 20
Both ends be connected respectively with 31 upper end of fixed link of two edge supporting rods 30；Third connects cross bar 40 and two edge supporting rods
30 motion bar 33 compresses cross bar 40 by the way that 41 grafting of connection-peg of 40 one end of cross bar is entered left end motion bar limiting slot 33a
The connection-peg 41 of the other end, the spacing between the both ends for keeping two connection-pegs 41 opposite reduces, to entering right end adjustable pipe limiting slot
Afterwards, the right end connection-peg 41 of cross bar 40 is unclamped so that right end connection-peg 41 moves and is inserted into right end motion bar limiting slot 33a, from
And realize quick plug connection, simplify installation process, not use such as screwdriver, spanner installation tool；Finally, by two sides
The lower end grafting of portion's supporting rod 30 enters pedestal 10.
Projection screen component 100 according to the ... of the embodiment of the present invention as a result, by the way that edge supporting rod 30 is set as scalable
Structure, and it is respectively equipped with connection-peg 41 in the both ends end of cross bar 40, by between connection-peg 41 and motion bar limiting slot 33a
Mating reaction, to realize the quick connection between cross bar 40 and edge supporting rod 30, and then be convenient for projection screen component 100
Assembly and disassembly, moreover, using edge supporting rod 30 using retractable structure also allow for transport and carry, it is user-friendly, improve
User experience.The projection screen component 100 have the characteristics that it is simple in structure, be convenient to mount and dismount, be easy to carry, using flexible, filling
It without using tool during tearing open, can both simplify assembling process, save the assembly and disassembly time, and laborsaving purpose can be reached, improve
User experience.
In certain specific embodiments of the invention, fixed link 31 is equipped with fixed link limiting slot 31a, on fixing sleeve 32
Equipped with limited block 32a, limited block 32a is plugged in motion bar limiting slot 33a by fixed link limiting slot 31a to fix fixed link
31 with the relative position of motion bar 33.
Specifically, as shown in figure 3, fixed link 31 is generally formed into hollow pipe, fixing pipe is equipped with fixed link limiting slot
31a, 32 inner wall of fixing sleeve are equipped with the limited block 32a being adapted to fixed link limiting slot 31a, and fixing sleeve 32 is set in fixed link 31
Outside on and limited block 32a be threaded through in fixed link limiting slot 31a, motion bar 33 be equipped with multiple activities arranged spaced apart
Bar limiting slot 33a, motion bar 33, which is set in the limited block 32a on the inside of fixed link 31 and fixing sleeve 32, can pass through fixed link
Limiting slot 31a is adapted to motion bar limiting slot 33a, so that when user needs to adjust edge 30 length of supporting rod, passes through drawing
Dynamic motion bar 33 realizes that motion bar 33 is stretched out or retracted relative to fixed link 31, and passes through fixing sleeve 32 after adjusting good position
The limit mating reaction of limited block 32a and fixed link limiting slot 31a, motion bar limiting slot 33a are realized and are fixed, so that whole
The structure of body is simple, easy to operate, user experience is good.
Wherein, the both ends end of cross bar 40 is respectively equipped with movable component 60, and connection-peg 41 is connected with movable component 60 with phase
To 40 telescopic action of cross bar.
Specifically, as shown in Figures 1 and 2, the both ends (i.e. left end and right end) of cross bar 40 are respectively equipped with movable component 60,
The right end of right end movable component 60 is connected with the left end of right connection-peg 41, the right side of the left end and cross bar 40 of right end movable component 60
End is fixedly connected, and the left end of left end movable component 60 is connected with the right end of left connection-peg 41, the right end of left end movable component 60
It is fixedly connected with the left end of cross bar 40, right end movable component 60 can be shunk to the left in an axial direction, and left end movable component 60 can edge
It is axial to shrink to the right, to drive right end connection-peg 41 and left end connection-peg 41 axially retractable, and then adjust two connection-pegs
41 opposite the distance between both ends, to realize rapid-assembling/disassembling.
Wherein, movable component 60 includes casing 61, movable part 62 and fixing nut 63, and casing 61 is plugged on the end of cross bar 40
Portion, movable part 62 is along the axially extending of casing 61 and is telescopically located in casing 61, and movable part 62 is equipped with boss 62a, living
One end of moving part 62 stretches out casing 61 and is connected with connection-peg 41, and fixing nut 63 is connected with the other end of movable part 62 with will be movable
Part 62 is fixed in casing 61.
Specifically, as shown in Figure 2 and Figure 4, movable component 60 is mainly by 63 groups of casing 61, movable part 62 and fixing nut
At the both ends end of cross bar 40 is equipped with the chamber extended along its length, and casing 61 is generally formed into tubular structure, casing 61
One end radial dimension is more than the internal diameter of the chamber of 40 end of cross bar, so that casing 61 can only support phase with the end of cross bar 40
Even, movable part 62 is set in casing 61 along cross bar 40 is axial, and movable part 62 is equipped with boss 62a, and the one of right end movable part 62
End (right end of movable part 62 as shown in Figure 4) is stretched out sleeve and is fixedly connected with right end connection-peg 41, a left side for right end movable part 62
It holds axially extending sleeve and is threadedly coupled with fixing nut 63, the left end of left end movable part 62 stretches out sleeve and left end connection-peg
41 are fixedly connected, and the axially extending sleeve of right end of left end movable part 62 and are threadedly coupled with fixing nut 63, to avoid filling
Timing left end movable part 62 and right end movable part 62 are detached from left end sleeve and right end sleeve, to which fixed column is limited to casing 61
It is interior, avoid movable part 62 from being detached from casing 61.
Preferably, it the modes such as is connected through a screw thread between casing 61 and the chamber of cross bar 40 to be fixedly connected, to pass through work
Dynamic component 60 drives connection-peg 41 to realize cooperation and disengaging between the motion bar limiting slot 33a of the motion bar 33 of edge.
Optionally, projection screen component 100 further includes spring 64, and spring 64 is set on movable part 62, and the two of spring 64
One end end face and the boss 62a of casing 61 are only supported in end respectively.
Specifically, as shown in figure 4,64 sets of spring is set in an axial direction on movable part 62, the both ends of spring 64 are only supported respectively
The left side of casing 61 and boss 62a simplify installation process, reach to restore deformation behavior after the stress using spring 64
Labour-saving purpose.
Specifically, when assembling cross bar 40 with edge supporting rod 30, movable component 60 and connection-peg 41 are mounted on first
In the chamber at 40 both ends of cross bar, then one section of connection-peg 41 is inserted into the motion bar limiting slot 33a of side, then holds cross bar 40
It compresses downwards so that movable part 62 is moved inward relative to cross bar 40 along sleeve axial direction, at this point, 64 compressed work of spring
With, it is in contraction state, then the connection-peg of the other side 41 is aligned to the motion bar limiting slot 33a of the other side, unclamps cross bar 40,
Automatically restore the characteristic of deformation after being deformed using spring 64, realize the motion bar limiting slot of connection-peg 41 and edge supporting rod 30
The cooperation of 33a, and then realize assembly, it is time saving and energy saving.
Wherein, cross bar 40 and upper support bar 20 are respectively formed as telescopic rod.
Specifically, as depicted in figs. 1 and 2, upper support bar 20 and cross bar 40 are all formed as telescopic rod, are adjusted to pass through
The size of 100 width direction of projection screen component (left and right directions as shown in Figure 2) may be implemented in cross bar 40 and upper support bar 20
The height of projection screen component 100 may be implemented by adjusting left side edge supporting rod 30 and right side edge supporting rod 30 in adjustment
The adjustment of the size in direction (upper and lower directions as shown in Figure 2), and then realize the purpose of adjustment 50 size of projection screen, to pass through
The use for adjusting occupied space, adapting to different places, greatly improves the convenience used.
Preferably, upper support bar 20 and cross bar 40 include fixed link, fixing sleeve and motion bar, and fixed link is generally formed into
Hollow pipe, fixing pipe are equipped with fixed link limiting slot, and fixing sleeve inner wall is equipped with the limited block being adapted to fixed link limiting slot, Gu
It is set on the outside of fixed link calmly and limited block is threaded through in fixed link limiting slot, motion bar is equipped with multiple cloth spaced apart
The motion bar limiting slot set, motion bar, which is set in the limited block on the inside and fixing sleeve of fixed link, to pass through fixed link to limit
Slot is adapted to motion bar limiting slot, so that when user needs the length of adjustment cross bar 40 and upper support bar 20, passes through pulling
Motion bar realizes that motion bar is stretched out or retracted relative to fixed link, and by the limited block of fixing sleeve after adjusting good position and admittedly
The limit mating reaction of fixed pole limiting slot, motion bar limiting slot is realized and is fixed, so that the structure of projection screen component 100
Simply, realize that projected area adjustment, easy to operate, user experience is good.
Optionally, projection screen component 100 further includes adapter 70, and adapter 70 is located at edge supporting rod 30 and upper support
With connection edge supporting rod 30 and upper support bar 20 between bar 20.
Specifically, as depicted in figs. 1 and 2, adapter 70 have at least two suit portions, at least the two of each adapter 70
A suit portion is set with one end of one end of edge supporting rod 30, upper support bar 20 respectively, i.e. two edge supporting rods 30 it is upper
End is connect by two adapters 70 respectively with the both ends (left end and right end as shown in Figure 1) of upper support bar 20, to protect
While demonstrate,proving connection reliability, easy to disassemble, raising user experience.
Optionally, it is taken by hook or nylon between curtain 50 and edge supporting rod 30, upper support bar 20 and cross bar 40
Button connection.It can ensure curtain 50 and edge supporting rod 30 and upper branch by the way that hook or velcro are arranged on curtain 50
Connection reliability between the frame that strut 20 is formed simultaneously, simplifies structure, convenient for assembly, ensures effective exhibition of projection screen 50
Show area.
Optionally, curtain 50 includes multiple, curtain 50 and edge supporting rod 30 and the upper support bar 20 of multiple and different sizes
The frame of formation coordinates to adjust projection size.
Specifically, by being set as the curtain 50 of multiple and different sizes, thus with two edge supporting rods 30, upper support bars
20 and cross bar 40 adjust the frame size cooperation formed after elongation, displaying to different size curtains 50 is realized, to suitable
The requirement of different fields of employment is answered, ensures projection effective area, improves user experience.
1 to Fig. 4 optical projection system for specifically describing embodiment according to a second aspect of the present invention below in conjunction with the accompanying drawings.
Optical projection system according to the ... of the embodiment of the present invention includes projection device 80, projection bracket 90 and according to above-described embodiment
Projection screen component 100, projection device 80 is interior to be equipped with rechargeable battery, and projection device 80 is detachably arranged in the projection bracket 90
On.
Since projection screen component 100 according to the above embodiment of the present invention has above-mentioned technique effect, according to this
The optical projection system of inventive embodiments also has corresponding technique effect, i.e., the structure of the optical projection system is simple, is convenient to mount and dismount, is convenient for
It carries, using flexible, the projection size of curtain 50 can be adjusted to be adapted to different operating place.
Specifically, by setting edge supporting rod 30 to retractable structure, and distinguish in the both ends end of cross bar 40
Equipped with connection-peg 41, by the mating reaction between connection-peg 41 and motion bar limiting slot 33a, to realize cross bar 40 and edge
Quick connection between supporting rod 30, and then convenient for the assembly and disassembly of projection screen component 100, moreover, being adopted using edge supporting rod 30
Transport is also allowed for retractable structure and is carried, it is user-friendly, improve user experience.In addition, by projection device 80
Interior setting rechargeable battery can use in order to outdoor projection equipment 80, simplify power-supply wiring.Therefore, which has knot
The characteristics of structure is simple, be convenient to mount and dismount, be easy to carry, using flexible, without using tool in assembling and dissembling process, can both simplify dress
With process, the assembly and disassembly time is saved, and laborsaving purpose can be reached, improves user experience.
Other of projection screen component 100 according to the ... of the embodiment of the present invention and optical projection system are constituted and are operated for ability
It is known for the those of ordinary skill in domain, is not described in detail herein.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of projection screen component, which is characterized in that including：
Pedestal；
Upper support bar, the upper support bar extend generally in a horizontal direction；
Two edge supporting rods, each edge supporting rod respectively include fixed link, fixing sleeve and motion bar, the fixed link
One end be connected with the both ends of the upper support bar, the fixation be set on the other end of the fixed link and with the fixation
Bar connects, and the motion bar is equipped with multiple motion bar limiting slots arranged spaced apart, one end of the motion bar and the bottom
Seat plug connection and the other end be telescopically connected with the fixed link；
Cross bar, the both ends of the cross bar are respectively equipped with the connection-peg suitable for coordinating with the motion bar limiting slot, the cross bar
Axial length no more than the distance that is spaced between the motion bar of two edge supporting rods, two connection-pegs it is opposite two
The distance between end is more than the distance being spaced between the motion bar of two edge vertical tubes, and two connection-pegs are along the cross
The axial direction of bar is scalable to be connected with the motion bar limiting slot；
Curtain, the curtain are removably mounted in the frame that the edge supporting rod is formed with the upper support bar.
2. projection screen component according to claim 1, which is characterized in that the fixed link is limited equipped with fixed link
Slot, the fixing sleeve are equipped with limited block, and the limited block is plugged on the motion bar by the fixed link limiting slot and limits
With the relative position of the fixation fixed link and the motion bar in slot.
3. projection screen component according to claim 1, which is characterized in that the both ends end of the cross bar is respectively equipped with work
Dynamic component, the connection-peg are connected with the movable component with the relatively described cross bar telescopic action.
4. projection screen component according to claim 3, which is characterized in that the movable component includes：
Casing, described sleeve pipe are plugged on the end of the cross bar；
Movable part, the movable part is along the axially extending of described sleeve pipe and is telescopically located in described sleeve pipe, the movable part
It is equipped with boss, one end of the movable part stretches out described sleeve pipe and is connected with the connection-peg；
Fixing nut, the fixing nut are connected with the other end of the movable part the movable part is fixed on described sleeve pipe
It is interior.
5. projection screen component according to claim 4, which is characterized in that further include：Spring, the spring are set in institute
It states on movable part, one end end face of described sleeve pipe and the boss are only supported in the both ends of the spring respectively.
6. projection screen component according to claim 1, which is characterized in that the cross bar and the upper support bar distinguish shape
As telescopic rod.
7. projection screen component according to claim 6, which is characterized in that further include：Adapter, the adapter are located at
To connect the edge supporting rod and the upper support bar between the edge supporting rod and the upper support bar.
8. projection screen component according to claim 6, which is characterized in that affiliated curtain and the edge supporting rod, institute
It states and is connected by hook or velcro between upper support bar and the cross bar.
9. projection screen component according to claim 6, which is characterized in that the curtain includes multiple, multiple and different rulers
The frame that very little curtain is formed with the edge supporting rod and the upper support bar coordinates to adjust projection size.
10. a kind of optical projection system, which is characterized in that including：
Projection device, the projection device is interior to be equipped with rechargeable battery；
Projection screen component according to any one of claim 1-9；
Projection bracket, the projection device are detachably arranged on the projection bracket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710152439.XA CN108628079A (en) | 2017-03-15 | 2017-03-15 | A kind of projection screen component and the optical projection system with it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710152439.XA CN108628079A (en) | 2017-03-15 | 2017-03-15 | A kind of projection screen component and the optical projection system with it |
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| CN108628079A true CN108628079A (en) | 2018-10-09 |
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| CN201710152439.XA Pending CN108628079A (en) | 2017-03-15 | 2017-03-15 | A kind of projection screen component and the optical projection system with it |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270783A (en) * | 2018-10-19 | 2019-01-25 | 深圳御光新材料有限公司 | A kind of line holographic projections curtain |
| CN114588644A (en) * | 2022-04-08 | 2022-06-07 | 成都皮影艺术博物馆 | Portable shadow play show stand |
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| US3822848A (en) * | 1968-12-10 | 1974-07-09 | P Hopkins | Projection screen holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109270783A (en) * | 2018-10-19 | 2019-01-25 | 深圳御光新材料有限公司 | A kind of line holographic projections curtain |
| CN114588644A (en) * | 2022-04-08 | 2022-06-07 | 成都皮影艺术博物馆 | Portable shadow play show stand |
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