CN106483752B - Projection screen installing mechanism - Google Patents
Projection screen installing mechanism Download PDFInfo
- Publication number
- CN106483752B CN106483752B CN201611192186.0A CN201611192186A CN106483752B CN 106483752 B CN106483752 B CN 106483752B CN 201611192186 A CN201611192186 A CN 201611192186A CN 106483752 B CN106483752 B CN 106483752B
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- China
- Prior art keywords
- screen
- wall
- bracket
- fixing piece
- projection screen
- Prior art date
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 claims abstract description 49
- 238000010586 diagram Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004880 explosion Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The present invention provides a kind of projection screen installing mechanism, it include: wall hanger, screen hanging frame and fixing piece, wall hanger is fixed on the wall, and adjustment portion is provided on wall hanger, screen hanging frame is fixed on the backboard of projection screen, and mounting portion is provided on screen hanging frame, fixing piece be mounted in mounting portion and it is adjustable be fastened at adjustment portion, the fixing piece is for screen hanging frame and wall hanger to be fixed together.The technical solution, after the position of wall hanger determines, the position of screen hanging frame and wall hanger can be adjusted according to the projected image of projection host, and then the screen area of the projected image for projecting host and projection screen is made to fit like a glove, it does not need to disassemble and install projection screen repeatedly, without operating in qualified installation person to user family, effectively reduces human cost, installation effectiveness is high, and user experience is good.
Description
Technical field
The present invention relates to industrial application technical field more particularly to a kind of projection screen installing mechanisms.
Background technique
With the development of Human optical's technology, the application field of optical projection technology constantly extends, and laser-projector etc. is thrown
Shadow equipment has been widely used in each place of the daily lifes such as teaching, meeting, home theater, the development of optical projection technology
It brings great convenience for the life of the mankind.
Figure 1A is the structural schematic diagram of wall hanger in existing projection screen installing mechanism, and Figure 1B is existing projection screen peace
The structural schematic diagram of screen hanging frame in mounting mechanism.As shown in Figure 1A, before projection screen is installed, first according to projection host and
Vertical range between horizontal distance and projection screen lower edge between projection screen and projection host installation desktop, is pacifying
The range to be installed of projection screen 11 is determined on dress wall 10, and is punched at two symmetric positions in range to be installed
And the wall hanger being made of change gear 101 and fixing screws 102 is installed respectively.Correspondingly, as shown in Figure 1B, projection screen 11
There are two screen hanging frames 112 for setting on postnotum 111.Therefore, when installing projection screen 11, by the groove of screen hanging frame 112
It is caught in the groove of change gear 101, to realize the fixed installation of projection screen.
However, projection screen, in actual installation, punch position is often not accurate enough, cause the projected image for projecting host
It can not fit like a glove with the screen area of projection screen, thus need to take off projection screen, redefine punch position
And then installation is re-started, and What is more needs qualified installation person to operate into user family, human cost is not only increased, and
And installation effectiveness is low, poor user experience.
Summary of the invention
The present invention provides a kind of projection screen installing mechanism, with solve existing projection screen during installation human cost it is high,
The problem of installation effectiveness is low, poor user experience.
A kind of projection screen installing mechanism provided by the invention, comprising: wall hanger, screen hanging frame and fixing piece；
The wall hanger is fixed on the wall, and adjustment portion is provided on the wall hanger, and the screen hanging frame is fixed
On the backboard of projection screen, be provided with mounting portion on the screen hanging frame, the fixing piece be mounted in the mounting portion and
Adjustable to be fastened at the adjustment portion, the fixing piece is used to the screen hanging frame and the wall hanger being fixed on one
It rises.
In one embodiment of this invention, the wall hanger be the first L bracket, the first of first L bracket
Side offers at least two first mounting holes；
The mechanism further include: at least two first installation parts；
At least two first installation part passes through at least two first mounting hole and is fixed to the wall hanger
On the wall；
The adjustment portion is arranged on the second side of first L bracket, and the adjustment portion is described including being provided with
Two grooves on first L bracket second side
In the above embodiment of the invention, described two grooves are symmetricly set on second side of first L bracket
The both ends on side；
Described two grooves are L connected in star, and the opening direction of the L connected in star is perpendicular to first L bracket
First side.
In another embodiment of the invention, the screen hanging frame is the second L bracket, the of second L bracket
A side is fixed on the backboard of the projection screen, and the mounting portion includes the second side for being provided with second L bracket
Two through-holes on side；
The fixing piece is mounted at the mounting portion and adjustable is fastened at the adjustment portion, comprising: described solid
Determine part to be interspersed in the through-hole and adjustable be fastened in the groove.
In the above embodiment of the invention, described two grooves are the first groove and the second groove；
The distance between opening of the bottom end of first groove and second groove is equal between described two through-holes
Distance；Or
The distance between the opening of first groove and the bottom end of second groove are equal between described two through-holes
Distance.
In one more embodiment of the present invention, the opening of the second side of first L bracket in described two grooves
Place forms chamfering.
In another embodiment of the present invention, the fixing piece includes: the screw and riveting for being plugged in the through-hole
The nut in first side of through-hole is connect, the screw is connected with the nut thread.
In the above embodiment of the invention, the fixing piece further include: washer；
The washer is located at second side of the through-hole and is arranged on the supporting surface for being fixed on the screw.
In another embodiment of the present invention, the quantity of the wall hanger is two, and the quantity of the screen hanging frame is
Two.
In the above embodiment of the invention, two screen hanging frames are symmetrically fixed on the backboard of the projection screen
The left and right sides, the horizontal space of two wall hangers are equal to the horizontal space of two screen hanging frames.
Projection screen installing mechanism provided in an embodiment of the present invention, comprising: wall hanger, screen hanging frame and fixing piece, Gu
It is provided with adjustment portion on the wall hanger being scheduled on wall, installation is provided on the screen hanging frame being fixed on projection screen backboard
Portion, by by fixing piece be mounted at the mounting portion and it is adjustable be fastened at above-mentioned adjustment portion, by adjusting the fixing piece
Screen hanging frame and wall hanger can be fixed together, so as to fix projection screen according to the projected image of projection host
Installation site.Technical solution of the present invention can be according to the projected image tune of projection host after the position of wall hanger determines
The position of screen hanging frame and wall hanger is saved, and then kisses the screen area of the projected image for projecting host and projection screen completely
It closes, does not need to disassemble and install projection screen repeatedly, without operating in qualified installation person to user family, effectively reduce people
Power cost, installation effectiveness is high, and user experience is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Figure 1A is the structural schematic diagram of wall hanger in existing projection screen installing mechanism；
Figure 1B is the structural schematic diagram of screen hanging frame in existing projection screen installing mechanism；
Fig. 2 is the structural schematic diagram for the projection screen installing mechanism that the embodiment of the present invention one provides；
Fig. 3 A is the structural schematic diagram of wall hanger in embodiment illustrated in fig. 2；
Fig. 3 B is the perspective view of the explosion of screen hanging frame and fixing piece in embodiment illustrated in fig. 2；
Fig. 4 A is the structural schematic diagram of wall hanger in projection screen installing mechanism provided by Embodiment 2 of the present invention；
Fig. 4 B is that the explosion of screen hanging frame and fixing piece in projection screen installing mechanism provided by Embodiment 2 of the present invention is shown
It is intended to；
Fig. 5 is the knot that the screen hanging frame of fixing piece is equipped in projection screen installing mechanism provided by Embodiment 2 of the present invention
Structure schematic diagram；
Fig. 6 A to Fig. 6 D is the assembling process schematic diagram of projection screen.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of projection screen installing mechanism, for solving existing projection screen manpower during installation
At high cost, the problem of installation effectiveness is low, poor user experience.In the following, being carried out by technical solution of the specific embodiment to the application
It is described in detail.
It should be noted that these specific embodiments can be combined with each other below, for the same or similar concept
Or process may repeat no more in certain embodiments.
Fig. 2 is the structural schematic diagram for the projection screen installing mechanism that the embodiment of the present invention one provides.Fig. 3 A is real shown in Fig. 2
Apply the structural schematic diagram of wall hanger in example.Fig. 3 B is the perspective view of the explosion of screen hanging frame and fixing piece in embodiment illustrated in fig. 2.
As shown in Fig. 2, Fig. 3 A and Fig. 3 B, projection screen installing mechanism provided in an embodiment of the present invention, comprising: wall hanger 21, screen
Hanger 22 and fixing piece 23.
Specifically, as shown in fig. 2 and fig. 3 a, wall hanger 21 is fixed on wall 210, it is provided on the wall hanger 21
Adjustment portion 211.
As shown in fig. 2 and fig. 3b, screen hanging frame 22 is fixed on the backboard of projection screen 220, is set on the screen hanging frame 22
Be equipped with mounting portion 221, fixing piece 23 be mounted in the mounting portion 221 and it is adjustable be fastened at above-mentioned adjustment portion 211, this is solid
Part 23 is determined for screen hanging frame 22 and 210 hanger 21 of wall to be fixed together.
In practical applications, since laser-projector includes projecting host and projection screen, in the embodiment of the present invention
In, in order to be incident upon the projected image for projecting host transmitting just in the screen area of projection screen 220, it is generally the case that
The fixation position of projection host is determined first and carries out installation fixation, secondly, the projected image projected according to projection host
Height determine installation site of the projection screen 220 on wall 210, wall hanger 21 is finally mounted on projection host
In range corresponding to projected image, and projection screen 220 is fixed on by wall hanger 21 and the cooperation of screen hanging frame 22
On wall 210.
Optionally, the embodiment of the present invention is that strip is briefly described with wall hanger 21 and screen hanging frame 22.Tool
Body, referring to shown in Fig. 2, Fig. 3 A and Fig. 3 B, adjustment portion 211 is provided on wall hanger 21, which can be set to item
Connected in star.Correspondingly, being provided with mounting portion 221 on screen hanging frame 22, which can be set to circular through hole, mounting portion
Dismountable fixing piece 23 is installed, which may include the screw and nut to match in 221.
In one embodiment of this invention, the installation process of projection screen is probably as follows:
Firstly, according to the theoretical installation site of projection host and projection screen, the position of fixed projection host, and will grow
The wall hanger 21 of bar shaped is fixedly installed on the corresponding wall 210 of the theoretical installation site of projection screen 220, and by strip
Screen hanging frame 22 is fixedly installed on the backboard of projection screen 220；
Secondly, fixing piece 23 is detachably arranged at the mounting portion 221 of screen hanging frame 22, and screen hanging frame 22 is led to
Fixing piece 23 is crossed to be fastened at the adjustment portion 211 of wall hanger 21；
Finally, opening projection host, according to the projection image of projection host, fixing piece 23 is adjusted in adjustment portion 211
Position, when the screen area of projected image and projection screen 220 coincide, using the fixing piece 23 by wall hanger 21 and screen
Hanger 22 is locked together, so that screen hanging frame 22 cannot be moved relative to wall hanger 21, so that reaching will throw
Shadow screen 220 is fixed on the purpose on wall 210.
It is worth noting that in projection screen installing mechanism provided in an embodiment of the present invention, above-mentioned wall hanger 21
Quantity is two, and the quantity of screen hanging frame 22 is two.Two screen hanging frames 22 are symmetrically and fixedly mounted to a left side for projection screen 220
Right two sides, correspondingly, two wall hangers 21 are installed to wall accordingly referring to the spacing between two screen hanging frames 22
On 210, the horizontal space of two wall hangers 21 is equal to the horizontal space of two screen hanging frames 22, and then can be utilized respectively fixation
Wall hanger 21 and screen hanging frame 22 are fixed together by part 23.
Projection screen installing mechanism provided in an embodiment of the present invention, comprising: wall hanger, screen hanging frame and fixing piece, Gu
It is provided with adjustment portion on the wall hanger being scheduled on wall, installation is provided on the screen hanging frame being fixed on projection screen backboard
Portion, by by fixing piece be mounted at the mounting portion and it is adjustable be fastened at above-mentioned adjustment portion, by adjusting the fixing piece
Screen hanging frame and wall hanger can be fixed together, so as to fix projection screen according to the projected image of projection host
Installation site.Technical solution of the present invention can be according to the projected image tune of projection host after the position of wall hanger determines
The position of screen hanging frame and wall hanger is saved, and then kisses the screen area of the projected image for projecting host and projection screen completely
It closes, does not need to disassemble and install projection screen repeatedly, without operating in qualified installation person to user family, effectively reduce people
Power cost, installation effectiveness is high, and user experience is good.
On the basis of embodiment shown in Fig. 2, Fig. 4 A is in projection screen installing mechanism provided by Embodiment 2 of the present invention
The structural schematic diagram of wall hanger.Fig. 4 B is for screen hanging frame in projection screen installing mechanism provided by Embodiment 2 of the present invention and admittedly
Determine the perspective view of the explosion of part.
As an example, as shown in Figure 4 A, in projection screen installing mechanism provided in an embodiment of the present invention, above-mentioned wall
Body hanger 21 is the first L bracket 31, and the first side of first L bracket 31 offers at least two first mounting holes 311.
In the present embodiment, projection screen installing mechanism, further includes: at least two first installation parts 313.At least two first peace
Piece installing 313 passes through at least two first mounting hole 311 and wall hanger 21 is fixed on wall 210.
Meanwhile as shown in Figure 4 A, above-mentioned adjustment portion 211 is arranged on the second side of the first L bracket 31, the adjustment portion
211 include two grooves 312 being provided on 31 second side of the first L bracket.
Specifically, when being opened up on the second side of first L bracket 31 there are two groove 312, optionally, above-mentioned tune
Section portion 211 can include at least two grooves 312, which can be used for card and set fixing piece 23, and then wall is hung
Frame 21 is fixed together with screen hanging frame 22.
Correspondingly, in the present embodiment, as shown in Figure 4 B, above-mentioned screen hanging frame 22 is the second L bracket 32, the 2nd L
The first side of shape bracket 32 is fixed on the backboard of projection screen 220, and above-mentioned mounting portion 221 includes being provided with the 2nd L shape
Two through-holes 321 on the second side of bracket 32.
Specifically, it is corresponding with two grooves in the first L bracket 31, in one embodiment, in the second L bracket 32
Second side open up two through-holes 321, such above-mentioned fixing piece 23 is mounted at mounting portion 221 and adjustable is fastened on tune
It can be realized by following feasible pattern at section portion 211, that is, fixing piece 23 is interspersed in through-hole 321 and adjustable is fastened on
In groove 312.
Optionally, referring to shown in Fig. 4 A, wall hanger 21 is the vertical L bracket in two sides, for ease of description, by wall
Body hanger 21 is defined as the first L bracket 31, and the first side of the first L bracket 31 offers multiple first mounting holes 311.It can
Choosing, multiple first mounting hole 311 is uniformly and symmetrically distributed in first side, by the way that the first installation part 313 is passed through the first peace
It fills hole 311 to be fixed on wall 210, so that the first L bracket 31 is fixed on wall 210.Wherein, first installation part
313 are chosen as fixing pin.
Correspondingly, similar with the shape of wall hanger 21, screen hanging frame 22 is also that two sides are vertical referring to shown in Fig. 4 B
L-shaped screen hanging frame 22 is defined as the second L bracket in the present embodiment to distinguish with above-mentioned wall hanger 21 by L bracket
32。
Optionally, multiple second mounting hole (not shown) are offered on the first side of second L bracket 32, pass through by
Second installation part (not shown) passes through the second mounting hole and is fixed on projection screen 220, so that the second L bracket 32 is fixed to
On projection screen 220.In another embodiment, when projection screen 220 dispatches from the factory, the second L bracket 32 can be also pre-installed on
On the backboard of projection screen 220, so as to save the manual installation of user, user experience is improved.
In the present embodiment, in order to corresponding with two grooves 312 in the first L bracket 31, the second L bracket 32
Second side is opened up there are two through-hole 321, and two through-holes 321 are interior to distinguish mounting fixing parts 23, and during the installation process, fixed
There is a certain size gap, the size in the gap need to be slightly larger than wall between the supporting surface of part 23 and the second side of screen hanging frame
The thickness of body hanger 21, such fixing piece 23 can be just fastened in the groove 312 of wall hanger 21.
Projection screen installing mechanism provided in an embodiment of the present invention, by the way that wall hanger is arranged to the first L bracket,
The first side of first L bracket opens up at least two first mounting holes, the second side of the first L bracket open up two it is recessed
Slot, and above-mentioned adjustment portion includes two grooves, by setting the second L bracket for screen hanging frame, by the second L bracket
First side is fixed on the backboard of projection screen, opens up two through-holes, and above-mentioned installation in the second side of the second L bracket
Portion includes two through-holes, such fixing piece can be interspersed in through-hole and it is adjustable be fastened in groove, screen is hung
Frame is fixed together with wall hanger, and then realizes the purpose being fixed to projection screen on wall, due to being interspersed in through-hole
Fixing piece adjustable can be fastened in groove, such projection screen can carry out according to actual needs during the installation process
It adjusts, easy to operate, installation effectiveness is high.
Further, as shown in Figure 4 A, above-mentioned two groove 312 is symmetricly set on the second side of the first L bracket 31
Both ends, and two grooves 312 are L connected in star, and the opening direction of the L connected in star is perpendicular to the first of the first L bracket 31
Side.
Specifically, two grooves 312 on wall hanger 21 are symmetrically provided with the two of 31 second side of the first L bracket
Screen hanging frame 22, is fixed to the both ends of wall hanger 21 by end respectively using fixing piece 23 in this way, and fastness is high.
In addition, as shown in Figure 4 A, two grooves 312 are arranged to L connected in star, the opening direction of each L connected in star hangs down
Stopper section directly is formed in the first side of the first L bracket 31, the opening of such L connected in star and the end of wall hanger 21,
That is, in the installation process of projection screen 220, be fixed on fixing piece 23 on screen hanging frame 22 by the opening of L connected in star into
Enter L connected in star, and then be fastened in L connected in star, has been fastened on stop of the fixing piece 23 of L connected in star in stopper section in this way and has made
It is not easily to fall off under, so that screen hanging frame 22 is not easy to slide from wall hanger 21, it is highly-safe.
Further, as shown in Figure 4 A, above-mentioned two groove 312 is the first groove 316 and the second groove 318.In order to
The installation and fixation of screen hanging frame 22 and wall hanger 21 are realized, between the opening and the bottom end of another groove of a groove
Distance needs to meet some requirements, specific as follows:
The distance between opening of the bottom end of first groove 316 and the second groove 318 is equal to the distance between two through-holes；
Or first the distance between opening and the bottom end of the second groove 318 of groove 316 be equal to the distance between two through-holes.
In the present embodiment, in order to corresponding with the first groove 316 and the second groove 318, (the 2nd L shape of screen hanging frame 22
Bracket 32) on two through-holes be respectively defined as first through hole 323 and the second through-hole 325, be mounted on consolidating in first through hole 323
Determine part 23 to be fastened in the first groove 316, the fixing piece 23 being equipped in the second through-hole 325 is fastened in the second groove 318.
In practical applications, due to the fixing piece 23 that is mounted in first through hole 323 by the opening of the first groove 316 into
After entering the first groove 316 and sliding into the bottom end of the first groove 316, fixing piece 23 on the second through-hole 325 is mounted on just by the
The opening of two grooves 318 enters the second groove 318, is fastened in the first groove 316 and the second groove 318 by moving up and down
Fixing piece 23 can realize and adjust the purpose that is displaced relative to wall 210 of projection screen 220, so, the first groove 316 and the
It is necessary to meet following condition for two grooves 318: i.e. the distance between opening of the bottom end of the first groove 316 and the second groove 318 etc.
In the opening and the bottom end of the second groove 318 of the distance between first through hole 323 and the second through-hole 325 or the first groove 316
The distance between be equal to the distance between first through hole 323 and the second through-hole 325.
In addition, as shown in Figure 4 A, the second side of the first L bracket 31 forms chamfering in the opening of two grooves 312.
Specifically, making the first L bracket 31 in groove when opening up groove 312 on the second side of the first L bracket 31
312 opening forms chamfering, since chamfering is arc-shaped, so that groove 312 is round and smooth in opening and is easy to be caught in, improves
Fixing piece 23 blocks efficiency when setting into groove 312, simple and convenient.
Further, on the basis of the above embodiments, Fig. 5 is projection screen fitting machine provided by Embodiment 2 of the present invention
The structural schematic diagram of the screen hanging frame of fixing piece is installed in structure.As shown in figure 5, in embodiments of the present invention, fixing piece 23 wraps
It includes: screw 231 for being plugged in through-hole 321 and the nut 232 for being riveted on 321 first side of through-hole, the screw 231 and the spiral shell
Mother 232 is threadedly coupled.
Optionally, when projection screen 220 dispatches from the factory, screen hanging frame 22 is pre-installed on the backboard of projection screen 220, and
The first side riveting of through-hole 321 has nut 232 on screen hanging frame 22, therefore, can be by fixing piece when installing projection screen 220
Screw 231 in 23 interts in through-hole 321 from second side of through-hole 321 and is spirally connected with the nut 232 realization.
In addition, by the first side that nut 232 is riveted on to through-hole 321, in this way when determining projection screen 220 and wall
After 210 accurate location, screen hanging frame 22 can be made to be fixed on wall hanger 21 by screwing screw 231 with nut 232
Together, so that projection screen 220 is firmly installed on wall 210.
Optionally, as shown in figure 5, above-mentioned fixing piece 23 further include: washer 233.
The washer 233 is located at second side of through-hole 321 and is arranged on the supporting surface for being fixed on screw 231.
Specifically, washer 233 is set on screw 231 and is fixed first before screw 231 interts through-hole 321
On the supporting surface of screw 231, then screw 231 is interted in through-hole 321 from second side of through-hole 321 again, and in washer
A certain size gap is preset between 233 and screen hanging frame 22, it is specific as shown in Figure 5.
It is worth noting that the screw 231 in the embodiment of the present invention is common screw, using screw 231 and washer 233,
Frictional force between washer 233 and wall hanger 21 realizes the locking of wall hanger 21 and screen hanging frame 22, and locking intensity is enough
Support projection screen 220 does not need additional auxiliary device, highly-safe.
Projection screen installing mechanism provided in an embodiment of the present invention, fixing piece include screw for being plugged in through-hole,
It is riveted on the nut and washer of the first side of through-hole, which is located at second side of through-hole and is arranged the supporting surface for being fixed on screw
On, screw is connected with the nut thread, therefore, in fixed projection hanger and wall hanger, is made using the locking antiskid of washer
It is close together with making to project hanger with wall hanger, and then projection screen can be firmly installed in by wall by operation screw
On body.
The composition of projection screen installing mechanism has been described in detail above by the embodiment of Fig. 2 to Fig. 5, on this basis,
Fig. 6 A to Fig. 6 D is the assembling process schematic diagram of projection screen.The installation of projection screen is briefly introduced below with reference to Fig. 6 A to Fig. 6 D
Process.
Optionally, the embodiment of the present invention is 2 with the quantity of screen hanging frame 22 and wall hanger 21, the number of fixing piece 23
Amount is illustrated for being 4.In addition, before the installation of projection screen 220, it is first determined go out two screens on projection screen 220
The horizontal space of curtain hanger 22 is X, and projection screen 220 installs reason of 220 lower edge of rear projection screen apart from host installation desktop
It is Y by distance, corresponding, the theoretical level of the centre distance host installation desktop of wall hanger 21 is Y '.
Therefore the installation procedure of projection screen is approximately as described:
(1) on the basis of the cabinet body horizontal plane for projecting host and placement, measured on the wall to be installed of projection screen X and
Y ' determines the position of installation wall hanger 21, and punches in the corresponding position of wall hanger 21, as shown in Figure 6A, by the
One installation part 313 passes through the first mounting hole (not shown) on wall hanger 21, and two wall hangers 21 are respectively installed to wall
On body 210.
(2) referring to shown in Fig. 6 B, fixing piece 23 sequentially passes through the 321 (first through hole of through-hole of washer 233 and screen hanging frame 22
323 and second through-hole 325) be pre-installed on screen hanging frame 22, screen hanging frame 22 is located at the left and right sides of projection screen 220,
Specifically, a fixing piece 23 is sequentially passed through washer 233 and first through hole 323 and successively wears another fixing piece 23
Washer 233 and the second through-hole 325 are crossed, so that fixing piece 23 be made to be pre-installed on screen hanging frame 22.
(3) as shown in Figure 6 C, installation personnel lifts projection screen 220, will first be fixed on the fixing piece at first through hole 323
23 screw in the first groove 316 of wall hanger 21.
(4) as shown in Figure 6 D, the fixing piece 23 being fastened in the first groove 316 is snapped down to along the first groove 316
The bottom end of one groove 316, and the second groove 318 that the screw-in wall hanger 21 of the fixing piece 23 at the second through-hole 325 will be fixed on
It is interior, so as to complete the pre-installation of projection screen.
(5) open projection host, according to the projected image height that projects of projection host, appropriate adjustment screen hanging frame 22 with
The relative altitude of wall hanger 21, when the projected image for projecting host is overlapped with the screen area of projection screen 220 completely, benefit
Fixing piece 23 is screwed respectively from two sides respectively with fastener, and then has been finally completed the installation and adjusting of projection screen 220.
Optionally, it is carved on wall hanger 21 and is equipped with graduation mark, therefore, adjusting projection screen 220 relative to wall 210
When height, two installation personnels lift the two sides of projection screen 220 simultaneously, according to projected image with projection screen 220 vertical
Difference in height on direction, by the graduation mark above wall hanger 21, the corresponding height of up and down adjustment, the flatness of projection screen
Good, installation accuracy height.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of projection screen installing mechanism characterized by comprising wall hanger, screen hanging frame and fixing piece；
The wall hanger is fixed on the wall, and adjustment portion is provided on the wall hanger, and the screen hanging frame is fixed on throwing
On the backboard of shadow screen, mounting portion is provided on the screen hanging frame, the fixing piece is mounted in the mounting portion and adjustable
Section is fastened at the adjustment portion, and the fixing piece is for the screen hanging frame and the wall hanger to be fixed together；
The wall hanger is the first L bracket, and the first side of first L bracket offers at least two first installations
Hole；
The adjustment portion is arranged on the second side of first L bracket, and the adjustment portion includes being provided with the first L
Two grooves on shape bracket second side；
The screen hanging frame is the second L bracket, and the first side of second L bracket is fixed on the back of the projection screen
On plate, the mounting portion includes two through-holes being provided on the second side of second L bracket；
The fixing piece is interspersed in the through-hole and adjustable is fastened in the groove；
Described two grooves are the first groove and the second groove；
The distance between opening of the bottom end of first groove and second groove be equal to described two through-holes between away from
From；Or
The opening of first groove and the distance between bottom end of second groove be equal between described two through-holes away from
From.
2. mechanism according to claim 1, which is characterized in that the mechanism further include: at least two first installation parts；
At least two first installation part passes through at least two first mounting hole for the wall hanger fixed to described
On wall.
3. mechanism according to claim 2, which is characterized in that described two grooves are symmetricly set on the first L shape branch
The both ends of the second side of frame；
Described two grooves are L connected in star, and the opening direction of the L connected in star is perpendicular to the first of first L bracket
Side.
4. described in any item mechanisms according to claim 1~3, which is characterized in that the second side of first L bracket exists
The opening of described two grooves forms chamfering.
5. described in any item mechanisms according to claim 1~3, which is characterized in that the fixing piece includes: for being plugged in
The nut stated the screw in through-hole and be riveted on first side of through-hole, the screw are connected with the nut thread.
6. mechanism according to claim 5, which is characterized in that the fixing piece further include: washer；
The washer is located at second side of the through-hole and is arranged on the supporting surface for being fixed on the screw.
7. mechanism according to claim 1, which is characterized in that the quantity of the wall hanger is two, and the screen is hung
The quantity of frame is two.
8. mechanism according to claim 7, which is characterized in that two screen hanging frames are symmetrically fixed on the projection screen
The left and right sides of the backboard of curtain, the horizontal space of two wall hangers are equal to the horizontal space of two screen hanging frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192186.0A CN106483752B (en) | 2016-12-21 | 2016-12-21 | Projection screen installing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611192186.0A CN106483752B (en) | 2016-12-21 | 2016-12-21 | Projection screen installing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106483752A CN106483752A (en) | 2017-03-08 |
| CN106483752B true CN106483752B (en) | 2019-04-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611192186.0A Active CN106483752B (en) | 2016-12-21 | 2016-12-21 | Projection screen installing mechanism |
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| Country | Link |
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| CN (1) | CN106483752B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132937A (en) * | 2017-06-14 | 2017-09-05 | 东莞市旭田电子有限公司 | A kind of no sound mouse |
| CN107725994B (en) * | 2017-11-17 | 2020-02-18 | 青岛海信激光显示股份有限公司 | Installation adjusting part of projection screen and projection screen |
| CN111365572B (en) * | 2018-12-26 | 2023-04-07 | 青岛海信激光显示股份有限公司 | Projection support and projection system |
| CN113009763B (en) * | 2019-12-19 | 2024-06-14 | 青岛海信激光显示股份有限公司 | Display screen and projection device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262308Y (en) * | 2008-02-05 | 2009-06-24 | 姜艺 | Inclination self-locking apparatus of panel TV wall hanging frame |
| CN202302624U (en) * | 2011-09-23 | 2012-07-04 | 常州机电职业技术学院 | Liftable flat-panel television hanger |
| CN102865446A (en) * | 2012-09-21 | 2013-01-09 | 蔡秋燕 | Flat panel television wall hanging rack |
| CN104456012A (en) * | 2014-11-14 | 2015-03-25 | 常州市诚天电子有限公司 | Display hanging piece with adjustable height |
| CN205118615U (en) * | 2015-11-24 | 2016-03-30 | 海信集团有限公司 | Wall mount arm bracket set and projection screen for projection screen |
| CN205592605U (en) * | 2016-03-22 | 2016-09-21 | 慈溪市雪江电器厂 | Wall - mounted TV machine lifting adjusting device |
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2016
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| CN106483752A (en) | 2017-03-08 |
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Effective date of registration: 20200821 Address after: 266555 Qian WAN port road, Huangdao District, Qingdao, Shandong Province, No. 218 Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: Donghai West Road 266071 Shandong city of Qingdao province No. 17 Patentee before: HISENSE Co.,Ltd. |
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