CN205781805U - A kind of projection screen support means and optical projection system - Google Patents
A kind of projection screen support means and optical projection system Download PDFInfo
- Publication number
- CN205781805U CN205781805U CN201620427692.2U CN201620427692U CN205781805U CN 205781805 U CN205781805 U CN 205781805U CN 201620427692 U CN201620427692 U CN 201620427692U CN 205781805 U CN205781805 U CN 205781805U
- Authority
- CN
- China
- Prior art keywords
- vertical rod
- projection screen
- suspension member
- cross bar
- support
- 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.)
- Active
Links
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Abstract
This utility model relates to projection display technique field, a kind of projection screen support means of disclosure and optical projection system, including: support body, support body includes the first vertical rod, the second vertical rod, the first cross bar, the second cross bar；First vertical rod is relative with the second vertical rod, and the first cross bar and the second cross bar are relative；One end of first cross bar is connected with the first vertical rod and the other end and the second vertical rod connect；One end of second cross bar is connected with the first vertical rod and the other end and the second vertical rod connect；It is fixed on support body with the support component that support body is supported；The projection screen suspension assembly that vertically position is adjustably arranged on support body, for being mounted on support body by projection screen.When using above-mentioned projection screen support means that projection screen is supported, without perforate on wall, wall will not be caused damage, and, the putting position of projection screen can be adjusted the most accurately by above-mentioned projection screen support means with putting, therefore, it is possible to carry out projection screen easily installing location.
Description
Technical field
This utility model relates to projection display technique field, particularly to a kind of projection screen support means and throwing
Shadow system.
Background technology
In projection display technique field, ultrashort out-of-focus projection is a kind of emerging Projection Display mode, wherein,
In ultrashort out-of-focus projection system, how the projection screen to the oversize that it has carries out installing contrast locating relatively
Key, it directly influences the ultrashort out-of-focus projection system display effect when Projection Display.
At present, when ultrashort out-of-focus projection system inner projection screen is installed, it is all to use directly at wall
Upper beat the mode that then projection screen be arranged on wall by installing hole location is installed.
There are some drawbacks, at present e.g., at wall in the mounting means for the projection screen of ultrashort out-of-focus projection system
When projection screen being installed on wall, need to punch on wall, and then destroy wall, need to adjust it addition, work as
During the position of projection screen, need punching etc. on wall again, take time and effort, and at the original position of wall
Leave expendable depredation.
Utility model content
This utility model provides a kind of projection screen support means, and this projection screen support means can be to super
The projection screen of short out-of-focus projection system is supported and wall will not be caused damage, it is possible to easily to projection
Screen carries out installing location.
For reaching above-mentioned purpose, this utility model offer techniques below scheme:
A kind of projection screen support means, including:
Support body, described support body includes the first vertical rod, the second vertical rod, the first cross bar, the second cross bar；Described
One vertical rod is relative with described second vertical rod, and described first cross bar and the second cross bar are relative；Described first cross bar
One end is connected with described first vertical rod and the other end is connected with described second vertical rod；The one of described second cross bar
End is connected with described first vertical rod and the other end is connected with described second vertical rod；
It is fixed on described support body and props up support component with what described support body was supported, for when described support component
The first vertical rod in described support body and the second vertical rod is made vertically to extend when being supported in horizontal plane；
The projection screen suspension assembly that vertically position is adjustably arranged on described support body, described projection
Screen suspension assembly is for being mounted on support body by projection screen.
The first vertical rod, the second vertical rod, the first cross bar and in above-mentioned projection screen support means, in support body
Two cross bars can form the frame-type shelf structure of a tetragon, and then can make shape and the projection screen of support body
Shape corresponding, enable above-mentioned support body that projection screen to be supported；Projection screen is hanged by projection screen
Hanging component is articulated on support body, and support body by support modular support on bottom surface, when needs in the horizontal direction
When regulating the position of projection screen, whole projection screen support means can be adjusted in the horizontal direction, with
Time, owing to projection screen suspension assembly vertically can regulate relative to support body, and then can be to projection
The vertical position of screen is adjusted, so, when projection screen is carried out by above-mentioned projection screen support means
During support, it is possible to carry out projection screen easily location is installed.It addition, supported by above-mentioned projection screen
When projection screen is supported by device, it is not necessary to punching etc. on wall, wall will not be caused damage.
Therefore, when using above-mentioned projection screen support means that projection screen is supported, it is not necessary on wall
Perforate, will not cause damage to wall, and, above-mentioned projection screen support means can be to projection screen
Putting position adjusts the most accurately with putting, therefore, it is possible to carry out projection screen easily installing determining
Position.
Preferably, described support component includes the first support bar and the second support bar being parallel to each other, described
One support bar is fixed on the bottom of described first vertical rod and vertical with described first vertical rod and the first cross bar,
And second support bar be fixed on the bottom of described second vertical rod, and described first support bar and described first vertical rod
And second be equipped with three angular fixed parts between cross bar, the second support bar is horizontal with described second vertical rod and second
Three angular fixed parts it are equipped with between bar.
Preferably, described projection screen suspension assembly include the first suspension member, the second suspension member, the 3rd suspension member and
4th suspension member, wherein:
Described first suspension member and the second suspension member can be slidably mounted to institute along the bearing of trend of described first vertical rod
State the first vertical rod, and described first suspension member is between the top of described second suspension member and described first vertical rod；
Described 3rd suspension member and the 4th suspension member can be slidably mounted to institute along the bearing of trend of described second vertical rod
State the second vertical rod, and described 3rd suspension member is between described 4th suspension member and the top of described second vertical rod.
Preferably, described first vertical rod is provided with the guide-track groove of the bearing of trend extension along described first vertical rod, and
Described second vertical rod is provided with the guide-track groove of the bearing of trend extension along described second vertical rod；
Described first suspension member, the second suspension member and the 3rd suspension member and the 4th suspension member all include a slide block and removable
It is installed on the connector of described slide block with unloading；Wherein:
In described first suspension member and the second suspension member, slide block slidably coordinates with the guide-track groove of described first vertical rod,
And lock slider and the first vertical rod when connector is installed on slide block；
In described 3rd suspension member and the 4th suspension member, slide block slidably coordinates with the guide-track groove of described second vertical rod,
And lock slider and the second vertical rod when connector is installed on slide block.
Preferably, the connector of described first suspension member and the 3rd suspension member is a change gear, and the side face of change gear is formed
The annular hanging groove that axial line overlaps with the axial line of change gear, described annular hanging groove is for setting with the projection screen back side
The suspension member mounting put；The connector of described second suspension member and the 4th suspension member is an iron plate, described iron plate for
The iron plate that the projection screen back side is arranged is connected by Magnet magnetic.
Preferably, described slide block is provided with elastic component, and the cell wall friction of described elastic component and described guide-track groove is joined
Close with the self gravitation overcoming described slide block.
Preferably, also include the 3rd cross bar between described first cross bar and the second cross bar, the described 3rd
One end of cross bar is connected with described first vertical rod, the other end and the second vertical rod connect.
Preferably, one end of described 3rd cross bar can be slidably mounted to institute along described first vertical rod bearing of trend
State the first vertical rod, and the other end can be slidably mounted to described second vertical rod along the second vertical rod bearing of trend.
Preferably, at least one end of described 3rd cross bar is provided with and stretches out between described first vertical rod and the second vertical rod
The extension bar in gap is for the peripheral components of mounting projection screen.
This utility model additionally provides a kind of optical projection system, and this optical projection system includes projection screen, also include as
Any one projection screen support means provided in technique scheme, described projection screen is installed on described
On the support body of projection screen support means.
Accompanying drawing explanation
The structural representation of the projection screen support means that Fig. 1 provides for a kind of embodiment of this utility model；
Fig. 2 is arranged on the structure in the projection screen support means that this utility model embodiment provides for projection screen
Schematic diagram；
In the projection screen support means that Fig. 3 provides for this utility model embodiment, the second support bar and second stands
The structural representation of three angular fixed parts it is equipped with between bar and the second cross bar；
First suspension member and the first vertical rod in the projection screen support means that Fig. 4 provides for this utility model embodiment
Between fit structure schematic diagram；
Second suspension member and the first vertical rod in the projection screen support means that Fig. 5 provides for this utility model embodiment
Between fit structure schematic diagram；
3rd suspension member and projection screen in the projection screen support means that Fig. 6 provides for this utility model embodiment
Between mounting structural representation；
4th suspension member and projection screen in the projection screen support means that Fig. 7 provides for this utility model embodiment
Between mounting structural representation；
A kind of structural representation of slide block in the projection screen support means that Fig. 8 provides for this utility model embodiment
Figure；
In the projection screen support means that Fig. 9 provides for this utility model embodiment, the another kind of structure of slide block is shown
It is intended to；
In the projection screen support means that Figure 10 provides for this utility model embodiment, the two ends of the 3rd cross bar are equal
It is provided with the structural representation of extension bar.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is only that this utility model part is real
Execute example rather than whole embodiments.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
This utility model embodiment provides a kind of projection screen support means, as it is shown in figure 1, this projection screen
Curtain support means includes:
Support body 1, support body 1 includes first vertical rod the 11, second vertical rod the 12, first cross bar the 13, second cross bar
14；First vertical rod 11 is relative with the second vertical rod 12, and the first cross bar 13 is relative with the second cross bar 14；First
One end of cross bar 13 is connected with the first vertical rod 11 and the other end and the second vertical rod 12 connect；Second cross bar
One end of 14 is connected with the first vertical rod 11 and the other end and the second vertical rod 12 connect, i.e. above-mentioned support body 1
A tetragon is cooperatively formed by first vertical rod the 11, second vertical rod the 12, first cross bar the 13, second cross bar 14
Frame-type structure；
Above-mentioned projection screen support means also includes being fixed on support body 1 with the support group being supported support body 1
Part 2；First in support body 1 can be made when above-mentioned support body 1 is supported on horizontal plane by a support component 2
Vertical rod 11 and the second vertical rod 12 vertically extend, even if support body 1 keeps vertical state；
Above-mentioned projection screen support means also includes that vertically position is adjustably arranged at the throwing on support body 1
Shadow screen suspension assembly 3, projection screen suspension assembly 3 is used for projection screen 4 is mounted on support body 1,
As shown in Figure 2.
First vertical rod the 11, second vertical rod 12, first in above-mentioned projection screen support means, in support body 1
Cross bar 13 and the second cross bar 14 can form the frame-type shelf structure of a tetragon, and then can make support body 1
Shape corresponding with the shape of projection screen 4, make above-mentioned support body 1 can projection screen 4 be supported；
As in figure 2 it is shown, projection screen 4 is articulated on support body 1 by projection screen suspension assembly 3, and support body 1
It is supported on bottom surface by a support component 2, when needing the position regulating projection screen in the horizontal direction, whole
Individual projection screen support means can be adjusted in the horizontal direction, simultaneously as projection screen suspension assembly
3 vertically can regulate relative to support body 1, and then can carry out the vertical position of projection screen 4
Regulation, so, when projection screen 4 is supported by above-mentioned projection screen support means, it is possible to convenient
Projection screen is carried out installing location by ground.It addition, projection screen is entered by above-mentioned projection screen support means
When row supports, it is not necessary to punching etc. on wall, wall will not be caused damage.
Therefore, when using above-mentioned projection screen support means that projection screen 4 is supported, it is not necessary at wall
Upper perforate, will not cause damage to wall, and, above-mentioned projection screen support means can be to projection screen
The putting position of 4 adjusts, therefore, it is possible to pacify projection screen easily the most accurately with putting
Set position.
The support component 2 that above-mentioned projection screen support means has can have a multiple set-up mode, specifically,
Can structure as shown in fig. 1, above-mentioned support component 2 can include the first support bar 21 being parallel to each other
With the second support bar 22, the first support bar 21 is vertical with the first vertical rod 11 and the first cross bar 13, and the
One support bar 21 is fixed on the bottom of the first vertical rod 11, and the second support bar 22 is fixed on the second vertical rod 12
Bottom；In above-mentioned projection screen support means, one end of the second cross bar 14 and the first vertical rod in support body 1
The fixing connection in bottom of connection, the other end and the second vertical rod 12, and the first support bar 21 are fixed in the bottom of 11
And it is equipped with three angular fixed parts between the first vertical rod 11 and the second cross bar 14, and, the second support bar 22
And it is equipped with three angular fixed parts 23, as shown in Figure 3 between the second vertical rod 12 and the second cross bar 14.First
Three angular fixed parts being provided with between support bar 21 and the first vertical rod 11 and the second cross bar 14 and second support
Three angular fixed part 23 structures that bar 22 is provided with the second vertical rod 12 and the second cross bar 14 are identical.There is bar
First support bar 21 and the second support bar 22 simple in construction of shape structure, and then projection screen can be made to support
The simplification that the structure of device is enough, meanwhile, the first support bar 21 and the second support bar 22 and the first vertical rod 11,
Second vertical rod the 12, first cross bar 13 and the quadrilateral frame type frame structure vertical of the 4th cross bar 14 composition, enter
And can stably support body 1 be supported；Further, with the second support bar 22 and the second vertical rod 12 and
As a example by three angular fixed parts 23 between second cross bar 14, the setting of three angular fixed parts 23 can improve second
The stability being connected between support bar 22 with the second vertical rod 12 and the second cross bar 14, can increase simultaneously
The intensity that projection screen support means is overall, certainly, the first support bar 21 and the first vertical rod 11 and second
Three angular fixed parts between cross bar 14 can improve the first support bar 21 and the first vertical rod 11 and second is horizontal
The stability connected between bar 14, can increase the intensity that projection screen support means is overall simultaneously.
Therefore, the structural stability of above-mentioned projection screen support means is higher, and bulk strength is higher simultaneously.
Certainly, above-mentioned support component 2 can also be a base, and this base is fixing with support body to be connected and bottom surface
Form the supporting surface of a bottom supporting.Or, above-mentioned support component 2 can also be two tripods.Certainly,
Above-mentioned support component 2 can also be other structures, as long as ensure that support body is in vertical state, this
In repeat no more.
In order to the extension conveniently realized in projection screen 4 and projection screen support means between support body 1
Connect, specifically, as it is shown in figure 1, above-mentioned projection screen suspension assembly 3 can include the first suspension member 31,
Two suspension member the 32, the 3rd suspension member 33 and the 4th suspension members 34, wherein:
First suspension member 31 and the second suspension member 32 can be slidably mounted to along the bearing of trend of the first vertical rod 11
One vertical rod 11, and the first suspension member 31 is between the second suspension member 32 and the top of the first vertical rod 11；
3rd suspension member 33 and the 4th suspension member 34 can be slidably mounted to along the bearing of trend of the second vertical rod 12
Two vertical rods 12, and the 3rd suspension member 33 is between the 4th suspension member 34 and the top of the second vertical rod 12.
As in figure 2 it is shown, the back side of projection screen 4 be provided with first mounting part 41 corresponding with the first suspension member 31,
Threeth mounting part 43 corresponding with the 3rd suspension member 33, second mounting part 42 corresponding with the second suspension member 32 with
And fourth mounting part 44 corresponding with the 4th suspension member 34.
Specifically, when projection screen 4 is arranged in projection screen support means, the first suspension member 31,
Two suspension member the 32, the 3rd suspension members 33 and the 4th suspension member 34 are distributed in tetragon, and need the first suspension member
31 be connected with the first mounting part 41, the second suspension member 32 is connected with the second mounting part 42, the 3rd suspension member 33
Be connected with the 3rd mounting part 43, the 4th suspension member 34 is connected with the 4th mounting part 44, and then can will project
Screen 4 is stably articulated on the support body 1 of projection screen support means, and, by regulating the first suspension member
31 and second suspension member 32 fixed position in the first vertical rod 11 and the 3rd suspension member 33 and the 4th suspension member
Projection screen 4 can be adjusted by 34 fixed positions in the second vertical rod 12 at the height of vertical direction.
Specifically, connected mode between the first suspension member 31 and the second suspension member 32 and the first vertical rod 11, with
Connected mode between 3rd suspension member 33 and the 4th suspension member 34 and the second vertical rod 12 can be by following structure
Realize:
As shown in Figure 4 and Figure 5, the first vertical rod 11 is provided with the bearing of trend extension along the first vertical rod 11
Guide-track groove 111, the first suspension member 31 and second suspension member 32 guide-track groove 111 and first by the first vertical rod 11
Vertical rod 11 slidably coordinates；The guide-track groove 111 that first vertical rod 11 is arranged can be through whole first vertical rod
11 length directions, it is also possible to be that the regulatory demand according to the first suspension member 31 and the second suspension member 32 is only first
A part of length of vertical rod 11 is provided with；
In like manner, the second vertical rod 12 is provided with the guide-track groove of the bearing of trend extension along the second vertical rod 12, and the 3rd hangs
Part 33 and the 4th suspension member 34 slidably coordinate (figure by guide-track groove and second vertical rod 12 of the second vertical rod 12
Not shown in)；In like manner, it is long that the guide-track groove that the second vertical rod 12 is arranged can be through whole second vertical rod 12
Degree direction, it is also possible to be that the regulatory demand according to the 3rd suspension member 33 and the 4th suspension member 34 is only in the second vertical rod
A part of length of 12 is provided with.
More specifically, when the first suspension member 31 and the second suspension member 32 pass through the guide-track groove that the first vertical rod 11 is provided with
111 are installed on the first vertical rod 11 and the 3rd suspension member 33 and the 4th suspension member 34 leading by the second vertical rod 12
When rail groove is installed on the second vertical rod 12, first suspension member the 31, second suspension member 32 and the 3rd suspension member 33 and
4th suspension member 34 all includes a slide block and is removably installed in the connector of slide block；Wherein:
As shown in Figure 4 and Figure 5, the first suspension member 31 includes slide block 311 and connector 312, wherein, slide block
311 slidably coordinate with the guide-track groove 111 of the first vertical rod 11, when connector 312 is installed on slide block 311
Relative position between lock slider 311 with the first vertical rod 11 time upper, connector 312 for and projection screen
The first mounting part 41 that curtain 4 back sides are provided with connects；Second suspension member 32 includes slide block 321 and connector 322,
Slide block 321 slidably coordinates with the guide-track groove 111 of the first vertical rod 11, and when connector 322 is installed on cunning
Relative position between lock slider 321 with the first vertical rod 11 during block 321, connector 322 for and throwing
The second connecting portion 42 that the shadow screen back side is provided with connects；
In like manner, as shown in Figure 6 and Figure 7, the 3rd suspension member 33 includes slide block and connector 332, slide block and
The guide-track groove of two vertical rods 12 slidably coordinates, and the lock slider and when connector 332 is installed on slide block
Relative position between two vertical rods 12, connector 332 is for the 3rd extension being provided with projection screen 4 back side
Meet portion 43 to connect；4th suspension member 34 includes slide block and connector 342, slide block and the guide rail of the second vertical rod 12
Groove slidably coordinates, and when connector 342 is installed on slide block between lock slider and the second vertical rod 12
Position relatively, connector 342 is connected for the 4th mounting part 44 being provided with projection screen 4 back side.
Certainly, set to prevent the slide block 311 of the first suspension member 31 from deviating from the first vertical rod 11 in mediation process
The guide-track groove 111 put, the top of the first vertical rod 11 is provided with for blocking its guide-track groove 111 top being provided with
End socket 112, the first suspension member 31 when regulation to the top of the first vertical rod 11, its plug 112 energy arranged
The direction that the slide block 311 enough preventing the first suspension member 31 continues to deviating from the first vertical rod 11 bottom is moved, and then
The slide block 311 preventing the first suspension member 31 departs from guide-track groove 111；In like manner, in order to prevent the second suspension member
The slide block of 32 deviates from the guide-track groove that the second vertical rod 12 is arranged in mediation process, and the top of the second vertical rod 12 sets
There is the end socket (not shown) for blocking its guide-track groove top being provided with.
Certainly, for the ease of realizing being articulated on support body 1 projection screen 4, as shown in Figure 4 and Figure 6,
Connector 312 that above-mentioned first suspension member 31 has and the connector 332 that the 3rd suspension member 33 has are the most permissible
For change gear, the side face of change gear is formed the annular hanging groove that axial line overlaps with the axial line of change gear, throws meanwhile
The first mounting part 41 and the 3rd mounting part 43 that shadow screen 4 back side is provided with are the annular hanging groove mounting with change gear
Suspension member, as shown in Figure 6；Meanwhile, as shown in figure 5 and figure 7, the second suspension member 32 and the 4th suspension member 34
Connector be an iron plate, the second mounting part 42 that projection screen 4 back side is provided with and the 4th mounting part 44 with
Sample is an iron plate, and the iron plate that the second suspension member 42 and the 4th suspension member 44 have is for setting with projection screen 4 back side
The iron plate put is connected by Magnet magnetic.
Projection screen 4 is being articulated in the specific operation process on support body 1, first, by the first suspension member 31
The first mounting part 41 of connector 312 and projection screen 4 mount and by the connector of the 3rd suspension member 33
332 mount with the 3rd mounting part 43 of projection screen 4, and projection screen 4 hangs over first by under self gravitation
On suspension member 31 and the 3rd suspension member 33；Then, by Magnet by the connector 322 of the second suspension member 32 and throwing
3rd mounting part 43 magnetic of shadow screen 4 connects and by Magnet by the connector 342 of the 4th suspension member 34
It is connected with the 4th mounting part 44 magnetic of projection screen 4, and then realizes between projection screen 4 and support body 1
Connection.
Specifically, as shown in Fig. 4, Fig. 6, Fig. 8 and Fig. 9, in the first suspension member 31, the first suspension member 31
The center of change gear be provided with through hole, slide block 311 is provided with screwed hole 3112, passes through between change gear and slide block 311
Trip bolt 313 connects, and the nut of trip bolt 313 not higher than change gear deviates from the surface of slide block 311,
When being arranged on slide block 311 by change gear, trip bolt 313 screws, and then makes slide block 311 towards change gear
The surface of guide-track groove 111 that arranges with the first vertical rod 11, surface offset, and, make slide block 311 towards
Frictional force between the surface of the guide-track groove 111 that the surface of change gear and the first vertical rod 11 are arranged is sufficiently large, from
And lock the relative position relation between the first suspension member 31 and the first vertical rod 11；In like manner, and the 3rd suspension member 33
In, the center of the change gear of the 3rd suspension member 33 is provided with through hole, by trip bolt 333 between change gear and slide block
Connect, and the nut of trip bolt 333 not higher than change gear deviates from the surface of slide block, when change gear is arranged on cunning
Time on block, trip bolt 333 screws, and then makes slide block arrange towards the surface of change gear with the second vertical rod 12
The surface of guide-track groove offset, and, make the slide block surface towards change gear and leading that the second vertical rod 12 is arranged
Frictional force between the surface of rail groove is sufficiently large, thus locks between the 3rd suspension member 33 and the second vertical rod 12
Relative position relation.
Certainly, in the second suspension member 32 and the 4th suspension member 34, as shown in figure 5 and figure 7, the second suspension member 32
In, it is connected also by trip bolt 323 between iron plate with slide block 321, and in the 4th suspension member 34, iron plate
Being connected with again may be by trip bolt 343 between slide block, repeating no more here.
On the basis of the respective embodiments described above, in order to make slide block energy when connector is fitted without on slide block
Enough be maintained at the relevant position in guide-track groove, first suspension member the 31, second suspension member the 32, the 3rd suspension member 33 with
And the 4th in suspension member 44, slide block is provided with elastic component, and the cell wall frictional fit of elastic component and guide-track groove with
The self gravitation of slide block is overcome when slide block is not by External Force Acting.
When slide block does not receive push-pull effort effect, slide block under the active force that elastic component provides with guide-track groove
Cell wall frictional fit, the frictional force between slide block and the cell wall of guide-track groove can overcome the gravity of slide block itself,
And then, slide block will not produce phase between itself and the cell wall of guide-track groove not by extra push-and-pull action power time
To motion, and then, along the length direction of guide-track groove, slide block can at the staying at random location in guide-track groove,
Rather than the most all can slide into the bottom of guide-track groove.
Specifically, as a example by the first suspension member 31, the elasticity that the slide block 311 that the first suspension member 31 has is arranged
Part 3111 is the bullet that can telescopically be arranged at slide block 311 along the direction vertical with the glide direction of slide block 311
Property protruding, as shown in Figure 8；Or, the elastic component 3111 that the slide block 311 that the first suspension member 31 has is arranged
For being fixed on the shell fragment of slide block 311.
Certainly, slide block that slide block the 321, the 3rd suspension member 33 that the second suspension member 32 has has, the 4th suspension member
34 slide blocks having can also have said structure, repeats no more here.
Certainly, the elastic component that above-mentioned slide block has can also arrange structure for other, the most no longer enumerates.
Certainly, in order to improve the mechanical strength of support body 1 entirety, as it is shown in figure 1, above-mentioned support body 1 also includes
The 3rd cross bar 15 between the first cross bar 13 and the second cross bar 14, one end of the 3rd cross bar 15 and the
One vertical rod 11 connects, the other end and the second vertical rod 12 connect.
Specifically, between the 3rd cross bar 15 and the first vertical rod 11 and the second vertical rod 12 can be fixing company
Connecing, it is also possible to be to be flexibly connected, e.g., one end of the 3rd cross bar 15 can be sliding along the first vertical rod 11 bearing of trend
It is installed on the first vertical rod 11 dynamicly, and the other end can be slidably mounted to along the second vertical rod 12 bearing of trend
Two vertical rods 12, so that support body 1 can meet the mounting demand of various sizes of projection screen.
Certainly, if needing to hang the peripheral components of projection screen in projection systems on support body 1, such as sound
Case etc., it is also possible to be provided with at least one end of the 3rd cross bar 15 and stretch out the first vertical rod 11 and the second vertical rod 12
Between gap extension bar 16 for mounting projection screen peripheral components, as shown in Figure 10.
Preferably, in above-mentioned support body 1, the first cross bar 13 and the first vertical rod 11 and the second vertical rod 12 it
Between grafting, and/or, grafting between the second cross bar 14 and the first vertical rod 11 and the second vertical rod 12.
Certainly, when support body 1 is provided with three cross bars 15, the 3rd cross bar 15 and the first vertical rod 11 and
Can also be for grafting between two vertical rods 12.
In order to alleviate the weight of support body 1 itself, it is preferable that the first vertical rod 11, second in above-mentioned support body 1
Vertical rod the 12, first cross bar the 13, second cross bar 14 can be shaft-like aluminium section bar.
Additionally this utility model embodiment additionally provides a kind of optical projection system, and this optical projection system includes projection screen
Curtain, also includes any one projection screen support means as provided in technique scheme, and projection screen is pacified
It is loaded on the support body of projection screen support means.
Obviously, those skilled in the art this utility model embodiment can be carried out various change and modification and
Without departing from spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to
Within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise this
Including a little changes and modification.
Claims (10)
1. a projection screen support means, it is characterised in that including:
Support body, described support body includes the first vertical rod, the second vertical rod, the first cross bar, the second cross bar；Described
One vertical rod is relative with described second vertical rod, and described first cross bar and the second cross bar are relative；Described first cross bar
One end is connected with described first vertical rod and the other end is connected with described second vertical rod；The one of described second cross bar
End is connected with described first vertical rod and the other end is connected with described second vertical rod；
It is fixed on described support body and props up support component with what described support body was supported, for when described support component
The first vertical rod in described support body and the second vertical rod is made vertically to extend when being supported in horizontal plane；
The projection screen suspension assembly that vertically position is adjustably arranged on described support body, described projection
Screen suspension assembly is for being mounted on support body by projection screen.
Projection screen support means the most according to claim 1, it is characterised in that described support group
Part includes the first support bar and the second support bar being parallel to each other, and described first support bar is fixed on described first
The bottom of vertical rod and vertical with described first vertical rod and the first cross bar, and the second support bar is fixed on described
It is equipped with between the bottom of the second vertical rod, and described first support bar and described first vertical rod and the second cross bar
Three angular fixed parts, are equipped with triangle between the second support bar and described second vertical rod and the second cross bar and fix
Part.
Projection screen support means the most according to claim 1, it is characterised in that described projection screen
Curtain suspension assembly includes the first suspension member, the second suspension member, the 3rd suspension member and the 4th suspension member, wherein:
Described first suspension member and the second suspension member can be slidably mounted to institute along the bearing of trend of described first vertical rod
State the first vertical rod, and described first suspension member is between the top of described second suspension member and described first vertical rod；
Described 3rd suspension member and the 4th suspension member can be slidably mounted to institute along the bearing of trend of described second vertical rod
State the second vertical rod, and described 3rd suspension member is between described 4th suspension member and the top of described second vertical rod.
Projection screen support means the most according to claim 3, it is characterised in that described first stands
Bar is provided with the guide-track groove of the bearing of trend extension along described first vertical rod, and described second vertical rod is provided with along described
The guide-track groove that the bearing of trend of the second vertical rod extends；
Described first suspension member, the second suspension member and the 3rd suspension member and the 4th suspension member all include a slide block and removable
It is installed on the connector of described slide block with unloading；Wherein:
In described first suspension member and the second suspension member, slide block slidably coordinates with the guide-track groove of described first vertical rod,
And lock slider and the first vertical rod when connector is installed on slide block；
In described 3rd suspension member and the 4th suspension member, slide block slidably coordinates with the guide-track groove of described second vertical rod,
And lock slider and the second vertical rod when connector is installed on slide block.
Projection screen support means the most according to claim 4, it is characterised in that described first hangs
The connector of part and the 3rd suspension member is a change gear, and the side face of change gear is formed the axial line weight of axial line and change gear
The annular hanging groove closed, described annular hanging groove is for the suspension member mounting arranged with the projection screen back side；Described second
The connector of suspension member and the 4th suspension member is an iron plate, and described iron plate is for the iron plate arranged with the projection screen back side
Connected by Magnet magnetic.
Projection screen support means the most according to claim 4, it is characterised in that on described slide block
Being provided with elastic component, the cell wall frictional fit of described elastic component and described guide-track groove is to overcome self of described slide block
Gravity.
7. according to the projection screen support means described in any one of claim 1-6, it is characterised in that also
Including the 3rd cross bar between described first cross bar and the second cross bar, one end of described 3rd cross bar and institute
State the first vertical rod connection, the other end and the second vertical rod to connect.
Projection screen support means the most according to claim 7, it is characterised in that the described 3rd is horizontal
One end of bar can be slidably mounted to described first vertical rod along described first vertical rod bearing of trend, and the other end can
It is slidably mounted to described second vertical rod along the second vertical rod bearing of trend.
Projection screen support means the most according to claim 7, it is characterised in that the described 3rd is horizontal
At least one end of bar is provided with stretches out between described first vertical rod and the second vertical rod the extension bar in gap for extension
Connect the peripheral components of projection screen.
10. an optical projection system, including projection screen, it is characterised in that also include such as claim 1-9
Projection screen support means described in any one, described projection screen is installed on described projection screen support means
Support body on.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427692.2U CN205781805U (en) | 2016-05-11 | 2016-05-11 | A kind of projection screen support means and optical projection system |
| US15/351,825 US10139720B2 (en) | 2016-05-11 | 2016-11-15 | Projection system and projection screen supporting device |
| US16/180,974 US10634985B2 (en) | 2016-05-11 | 2018-11-05 | Projection system and projection screen supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620427692.2U CN205781805U (en) | 2016-05-11 | 2016-05-11 | A kind of projection screen support means and optical projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205781805U true CN205781805U (en) | 2016-12-07 |
Family
ID=57409006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620427692.2U Active CN205781805U (en) | 2016-05-11 | 2016-05-11 | A kind of projection screen support means and optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205781805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840963A (en) * | 2016-05-11 | 2016-08-10 | 海信集团有限公司 | Projection screen supporting device and projection system |
| US10139720B2 (en) | 2016-05-11 | 2018-11-27 | Hisense Co., Ltd. | Projection system and projection screen supporting device |
| CN112538736A (en) * | 2019-09-20 | 2021-03-23 | 海尔智家股份有限公司 | Mounting structure and clothing treatment facility |
-
2016
- 2016-05-11 CN CN201620427692.2U patent/CN205781805U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840963A (en) * | 2016-05-11 | 2016-08-10 | 海信集团有限公司 | Projection screen supporting device and projection system |
| US10139720B2 (en) | 2016-05-11 | 2018-11-27 | Hisense Co., Ltd. | Projection system and projection screen supporting device |
| US10634985B2 (en) * | 2016-05-11 | 2020-04-28 | Hisense Co., Ltd. | Projection system and projection screen supporting device |
| CN112538736A (en) * | 2019-09-20 | 2021-03-23 | 海尔智家股份有限公司 | Mounting structure and clothing treatment facility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10634985B2 (en) | Projection system and projection screen supporting device | |
| CN205781805U (en) | A kind of projection screen support means and optical projection system | |
| CN107725993A (en) | A kind of computer cabinet rack | |
| CN105840963A (en) | Projection screen supporting device and projection system | |
| CN205447200U (en) | Novel front maintenance LED display screen hoisting support | |
| CN201675396U (en) | Fixed support for short-focus projection electronic whiteboard | |
| CN207349578U (en) | A kind of pipeline layout stent | |
| CN205173878U (en) | 4 of area locking are supported hydraulic pressure levelling mechanism | |
| CN204420509U (en) | A kind of LED combination hoisting structure | |
| CN110526126A (en) | Adjustable spacing electrical cabinet lifting frame and its handling method | |
| CN202252665U (en) | Liquid crystal display television installing frame | |
| CN205596061U (en) | Solar energy power supply unit of angularly adjustable | |
| JP5748942B2 (en) | How to install the interactive board | |
| CN204044481U (en) | The semifixed The Cloud Terrace of multi-usage | |
| CN210973631U (en) | Adjustable interval regulator cubicle lifting frame | |
| CN210734768U (en) | LED display screen stacking frame | |
| CN210976222U (en) | Building curtain wall that concatenation formula can be installed fast | |
| CN103783847A (en) | Double-layer supporting platform | |
| CN108039676A (en) | A kind of transformer installing mechanism | |
| CN206845393U (en) | A kind of wind power generating set assembly platform | |
| CN203202543U (en) | Supporting hanging frame | |
| CN211289479U (en) | Multimedia teaching auxiliary device | |
| CN207566816U (en) | Disk cabinet installs jacking apparatus | |
| CN109257901A (en) | A kind of adjustable cabinet | |
| CN209370765U (en) | A kind of supporting mechanism of engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |