CN109752910A - Fixed device, projection screen and projection device - Google Patents

Fixed device, projection screen and projection device Download PDF

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Publication number
CN109752910A
CN109752910A CN201711072267.1A CN201711072267A CN109752910A CN 109752910 A CN109752910 A CN 109752910A CN 201711072267 A CN201711072267 A CN 201711072267A CN 109752910 A CN109752910 A CN 109752910A
Authority
CN
China
Prior art keywords
fixed
projection screen
drive rod
frame
support construction
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.)
Granted
Application number
CN201711072267.1A
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Chinese (zh)
Other versions
CN109752910B (en
Inventor
付锦江
黄旻
李屹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Appotronics Corp Ltd
Shenzhen Appotronics Technology Co Ltd
Original Assignee
Shenzhen Appotronics Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Appotronics Technology Co Ltd filed Critical Shenzhen Appotronics Technology Co Ltd
Priority to CN201711072267.1A priority Critical patent/CN109752910B/en
Priority to PCT/CN2018/071430 priority patent/WO2019085257A1/en
Publication of CN109752910A publication Critical patent/CN109752910A/en
Application granted granted Critical
Publication of CN109752910B publication Critical patent/CN109752910B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)

Abstract

The present invention provides a kind of fixed device and applies the fixation device projection screen and projection device, fixed device includes for the fixation bracket fixed with extraneous stationary plane, the drive rod being arranged on the fixed bracket and the support construction being fixed on the drive rod, the support construction is used to support object to be fixed, realizes that the height and position of the support construction is continuously adjustable by the rotation of the drive rod.Not only facilitate fixation, but also facilitate and realize that position in the height direction is adjusted, when being applied to projection screen, the adjusting for projection screen position can be effectively realized, to realize effective adjusting to drop shadow effect.

Description

Fixed device, projection screen and projection device
Technical field
The present invention relates to the projection screens of the field that is mechanically fixed more particularly to a kind of fixed device and application the fixation device Curtain and projection device.
Background technique
Fixed device is widely used in being suspended on object to be fixed on for example, extraneous stationary plane of wall, and citing comes Say, currently as object to be fixed projection screen, blank be fixed device it is fixed when, deposit be unable to adjust in height, Bu Nenglian Continuous adjustment or the lesser defect of adjusting range.Mounting hole for projection screen, when screen height is unable to adjust, on wall After determination, the height of projection screen also just determines substantially, and the accuracy of screen positioning depends on the accuracy of punch position, this gives The installation and use of screen bring very big problem;When the adjustment range is small or cannot continuously adjust for screen, screen and shadowgraph The position in face is also difficult accurately to match, and projected image position and screen position generate deviation, seriously affects drop shadow effect.
Therefore, it is really necessary to provide one kind new fixation device, projection screen and projection device to solve the above problems.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of fixed device and projection screens and projection device, to solve Object to be fixed in the prior art is difficult to install, and projected image position and screen position generate deviation, influences asking for drop shadow effect Topic.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of fixed device is provided, including with In the fixation bracket fixed with extraneous stationary plane, the drive rod being arranged on the fixed bracket and it is fixed on the drive rod On support construction, the fixed bracket include main part and from the main part to two sides bending extend fixing end, institute It states fixing end and merges fixation for being affixed with extraneous stationary plane, the main part includes the roof and bottom wall being oppositely arranged, described Drive rod is arranged through the roof and the bottom wall and with the fixing end interval, the support construction from the drive rod to Extend far from external world stationary plane direction, the support construction is used to support object to be fixed, passes through the mobile driving of the drive rod Support construction moves between the top and bottom walls.
Preferably, the support construction is abnormity nut, including the sleeved part being set on the drive rod, from the set If the baffle that portion extends to the support plate and self-supporting slab extended far from extraneous stationary plane direction to the bending of roof direction.
It preferably, further include that side of the roof far from the bottom wall is set, for limiting the drive rod along axis To the fixed structure of displacement.
Preferably, the fixed structure includes being connected to the fixed plate of a side surface of the roof far from bottom wall and from admittedly One end of the screw hole that fixed board extends, the drive rod screws in the screw hole.
Preferably, perforative fixation hole is provided in the fixing end, the fixed device is by passing through the fixation hole Fastener and extraneous stationary plane.
Preferably, the drive rod is screw rod.
In order to solve the above technical problems, the present invention also provides a technical solutions to be: providing a kind of projection screen comprising Frame and fixed screen on said frame, including device is fixed as described above, the frame is the object to be fixed, institute Stating projection screen includes setting fixed link on said frame, and the fixed device passes through the support construction and fixed link Cooperation is to support the frame.
Preferably, the fixed link is horizontally disposed and is slidably disposed on the support construction of the fixed device On.
Preferably, the projection screen further includes being moved in the horizontal direction for limiting the frame of being connected with the frame Dynamic horizontal locking device.
Preferably, the horizontal locking device include for the horizontal fixed part fixed with extraneous stationary plane and with it is described The jackscrew that horizontal fixed part matches, is provided with perforative threaded hole on the frame, the jackscrew pass through the threaded hole with The connected realization of the horizontal fixed part is locked with the frame.
Preferably, kidney slot is provided on the horizontal fixed part, the horizontal fixed part is with extraneous stationary plane by wearing The fastener for crossing kidney slot is fixedly connected.
Preferably, the frame includes the outer framework and inner frame being oppositely arranged, and the fixed link is arranged in the inside casing The top edge of frame is set as at least two with the fixed device of fixed link cooperation.
Preferably, the horizontal locking device includes at least two, is separately positioned on the projection screen in the horizontal direction Two sides, and be locked with the outer framework.
In order to solve the above technical problems, the present invention also provides a technical solutions to be: providing a kind of projection device, including throw Projection screen described in shadow screen and any one as above.
The beneficial effects of the present invention are: be in contrast to the prior art, the present invention provides a kind of fixed device, including with In the fixation bracket fixed with extraneous stationary plane, the drive rod being arranged on the fixed bracket and it is fixed on the drive rod On support construction, the support construction is used to support fixed object to be fixed, and the branch is realized in the rotation for passing through the drive rod The height and position of support structure is continuously adjustable.Not only facilitate fixation, but also facilitate and realize that position in the height direction is adjusted, when answering When for projection screen, the adjusting for projection screen position can be effectively realized, to realize effective tune to drop shadow effect Section.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fixed device of the present invention;
Fig. 2 is the structural schematic diagram of projection screen of the present invention;
Fig. 3 is part A enlarged drawing shown in Fig. 2;
Fig. 4 is the cross-sectional view of part shown in Fig. 3;
Fig. 5 is the combining structure schematic diagram of part shown in Fig. 4 with extraneous stationary plane;
Fig. 6 is part B enlarged drawing shown in Fig. 2;
Fig. 7 is the assembling schematic diagram of the horizontal locking device of projection screen of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of fixed device and projection screen and equipment using the fixation device, to solve the prior art Middle projection screen, blank wait fixture to be suspended on generating difficult to install when the extraneous stationary plane of wall etc., and position generates inclined Difference, the technical issues of influencing using effect.
As shown in Figure 1, fixed device 100 provided by the invention, including fix bracket 1, drive rod 2, support construction 3 and consolidate Determine structure 4.
Wherein fixing bracket 1 includes the fixing end 12 that main part 11 and main body 11 extend to two sides bending.It is fixed End 12 is for being bonded and being fixed with extraneous stationary plane 5.Wherein extraneous stationary plane 5 can be wall or other can be used for installing Fixed stationary plane structure.
Specifically, being provided with perforative fixation hole 121 in fixing end 12, fixed device 100 is by passing through fixation hole 121 Fastener and extraneous stationary plane 5 are fixed.Specifically, fastener can be fastening screw, i.e., it, will when using fixed device 100 Fixing end 12 is connected on extraneous stationary plane 5, and fastening screw is squeezed into wall or other extraneous stationary planes by fixation hole 121 The upper fixation to realize fixed device 100.
Main part 11 includes the roof 111, bottom wall 112 and the connection for connecting roof 111 and bottom wall 112 of relative spacing setting Wall 113.An accommodating space is surrounded between roof 111, bottom wall 112, connection wall 113 and two fixing ends 12.Drive rod 2 runs through roof 111 with bottom wall 112 and be housed in the accommodating space, i.e., be arranged with connection wall 113 and the interval of fixing end 12.Drive rod 2 is two The bolt that the screw rod or side that side is threaded are threaded, specifically in the present embodiment, drive rod 2 are bolt, Cooperation screw flight hole is correspondingly arranged on roof 111, bottom wall 112, to realize the connection of drive rod 2.
The hollow portion 1131 of corresponding drive rod 2 is provided in connection wall 113, specifically, hollow portion 1131 is setting even The through-hole on wall 113 is connect, support construction 3 extends across hollow portion 1131 from drive rod 2 to far from 5 direction of extraneous stationary plane. Support construction 3 is in contact with object to be fixed in the side far from accommodating space and supports object to be fixed.Certainly, this be only it is a kind of compared with Excellent embodiment can also be not provided with connection wall 113, roof 111 and bottom wall 112 in selectable other embodiments The ring-shaped frame structure of two sides perforation is connected to form with fixing end 12 respectively, i.e., hollow portion 1131 is expanded to fixing end 12 1 Side, support construction 3 extend directly to outside accommodating space, and can be implemented.Support construction 3 of the invention is used to support fixation Object to be fixed realizes that the height and position of support construction 3 is continuously adjustable by the rotation of drive rod 2.
Specifically in the present embodiment, support construction 3 is abnormity nut, that is, includes the sleeved part being set on drive rod 2 31, from the sleeved part 31 to the support plate 32 and self-supporting slab 32 extended far from extraneous 5 direction of stationary plane to 111 direction of roof Bend the baffle 33 extended.Sleeved part 31 is fixedly connected with what drive rod 2 can be integrated, or split type structure, tool Body is provided with screw thread in the present embodiment, for the inner surface of sleeved part 31, and matched spiral shell is set on drive rod 2 Line, sleeved part 31 are together by a threaded connection with drive rod 2.
Side of the roof 111 far from bottom wall 112 is arranged in fixed structure 4, for limiting the drive rod along axial position It moves.Fixed structure 4 includes the fixed plate 41 and self-retaining plate 41 for being connected to the outer surface of side of the roof 111 far from bottom wall 112 The fixation hole 42 of extension, fixed structure 4 are connected by the screw in fixed plate 41 with roof 111.One end of drive rod 2 screws in solid Determine in hole 42.Specifically in the present embodiment, the bolt as drive rod 2 includes head and screw rod, and drive rod passes through fixation hole 42, the two sidewalls that head is fixed hole 42 abut limit, to limit the axial movement of drive rod.In this way, in the course of work Middle drive rod 2 rotates, the screw thread in sleeved part 31 under the drive of the screw thread on matched drive rod 2, generate relative to Movement on 2 axis of drive rod.
It should be noted that the novel fixation device that present embodiment provides is not limited to specific application field, i.e., It can be applied to industrial production, can be used for daily necessities, as long as having realization fixed and carrying out in the height direction The demand of adjustment is that fixation device of the invention can be used.
Below by with a kind of application of the fixed device of the present invention, that is, it is applied to optical device, is specially applied to projection screen It is illustrated for curtain and projection device.
It is that the projection screen provided by the invention applied in projection device includes frame 300 and fixes referring to shown in Fig. 2 Screen on the frame 300, above-mentioned fixation device 100.In the present embodiment, frame 300 is rectangular frame, packet Include top edge, lower edge and side edge.Fixed device 100, which is fixed on, realizes projection screen consolidating in the height direction on top edge It is fixed and adjustable.
Preferably, projection screen further includes the horizontal locking device 200 moved in the horizontal direction for limiting projection screen. Horizontal locking device 200 is arranged in side edge for realizing fixation in the horizontal direction.Certainly, this be only it is a kind of preferably Embodiment, in selectable other embodiments, frame 300 or other shapes, for example (,) it is square structure, polygon Shape structure or irregular structure, principle are consistent, and play the role of limiting displacement in two directions as long as can be realized, It can be implemented.
Frame 300 includes the outer framework 301 and inner frame 302 being oppositely arranged.As shown in Figure 3 and Figure 4, on frame 300, Specifically in the present embodiment, to be provided with horizontally extending fixed link 3021 on inner frame 302, device is fixed 100 by 3021 support projection screen of fixed link, and projection screen is driven to adjust position in the height direction.Specifically in this implementation In mode, fixed link 3021 is the slide bar being slidably disposed in the support construction 3 of fixed device 100.That is supporting framework 3 Card slot is formed between support plate 32 and baffle 33, fixed link 3021 is fastened in the card slot, and can be slided in the horizontal direction.
Referring to Figure 5, fixed device 100 is fixed on extraneous stationary plane 5 by fastener, and projection screen passes through fixation Bar 3021 is caught in card slot, and by moving left and right the equilbrium position for finding projection screen.It should be noted that fixed link 3021 It is not necessarily rod-like structure, such as in the present embodiment, is from semicircular structure made of the extension of inner frame 302.Thing In reality, fixed link 3021 or other structures, as long as can be fixed on fixed device 100 and can realize in horizontal direction Sliding, be that can be implemented.In the present embodiment, fixed link 3021 is structure as a whole with inner frame 302, may be selected Other embodiments in, or split type structure, the dismountable rod-like structure being as fixed on inner frame 302. In selectable other embodiments, it can also be not provided with horizontal locking device 200, corresponding, fixed link 3021 is fixed on Sliding without horizontal direction on fixed device 100, and can achieve the object of the invention.
In the present embodiment, there are two fixed devices 100, it is separately positioned on the top edge of inner frame 301.And two is fixed Device 100 is symmetrical arranged along the center of gravity of projection screen.Certainly, the quantity of fixed device 100 is not limited to this, and also can be set more A top edge for being distributed in entire inner frame 302.Horizontal locking device 200 at least two, is separately positioned on projection screen along water Square to two sides, and be locked with outer framework 301.
As shown in Figure 6 and Figure 7, horizontal locking device 200 includes for the horizontal fixed part 9 fixed with extraneous stationary plane 5 And the inconsistent jackscrew 7 with horizontal fixed part 9, perforative threaded hole 8 is provided on frame 300, specifically in present embodiment In, threaded hole 8 is arranged on outer framework 301.Jackscrew 7 passes through threaded hole 8 and is connected with horizontal fixed part 9, to realize projection screen Curtain is locked.Wherein horizontal fixed part 9 is fixedly connected with extraneous stationary plane 5 also by fastener.Specifically, horizontal fixed Kidney slot is provided in portion 9, fastener passes through the fixation that the kidney slot realizes horizontal fixed part 9 with extraneous stationary plane 5.
When installing projection screen, fixed device 100 is first fixed, projection screen is fixed on fixed device 100, is looked for Good center of gravity drives support construction 3 and fixed link 3021 by the rotation of the drive rod 2 of fixed device 100, to realize projection screen The height and position of curtain is continuously adjustable.Further, it is realized by horizontal locking device 200 and is determined in projection screen horizontal direction Position.It is adjusted to complete the position of projection screen.
The beneficial effects of the present invention are: be in contrast to the prior art, the present invention provides a kind of fixed device, including with In the fixation bracket fixed with extraneous stationary plane, the drive rod being arranged on the fixed bracket and it is fixed on the drive rod On support construction, the support construction is used to support fixed object to be fixed, and the branch is realized in the rotation for passing through the drive rod The height and position of support structure is continuously adjustable.Not only facilitate fixation, but also facilitate and realize that position in the height direction is adjusted, when answering When for projection screen, the adjusting for projection screen position can be effectively realized, to realize effective tune to drop shadow effect Section.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (14)

1. a kind of fixed device, which is characterized in that including being arranged described solid for the fixation bracket fixed with extraneous stationary plane Drive rod on fixed rack and the support construction being fixed on the drive rod, the fixed bracket include main part and from The fixing end that the main part extends to two sides bending, the fixing end merges fixation for being affixed with extraneous stationary plane, described Main part includes the roof and bottom wall being oppositely arranged, the drive rod through the roof and the bottom wall and with the fixing end Interval setting, the support construction extend from the drive rod to far from extraneous stationary plane direction, and the support construction is for branch Object to be fixed is supportted, is moved between the top and bottom walls by the mobile driving support construction of the drive rod.
2. fixed device according to claim 1, which is characterized in that the support construction is abnormity nut, including is arranged Sleeved part on the drive rod, from the sleeved part to the support plate and self-supporting slab extended far from extraneous stationary plane direction The baffle extended to the bending of roof direction.
3. fixed device according to claim 2, which is characterized in that further include being arranged in the roof far from the bottom wall Side, for limiting the axially displaced fixed structure of the drive rod.
4. fixed device according to claim 3, which is characterized in that the fixed structure is remote including being connected to the roof One end of the screw hole that the fixed plate and self-retaining plate of a side surface from bottom wall extend, the drive rod screws in the screw hole.
5. fixed device according to claim 1, which is characterized in that perforative fixation hole is provided in the fixing end, The fixed device passes through the fastener and extraneous stationary plane across the fixation hole.
6. fixed device according to claim 1, which is characterized in that the drive rod is screw rod.
7. a kind of projection screen comprising frame and fixed screen on said frame, which is characterized in that wanted including such as right Fixation device described in asking any one of 1 to 6, the frame are the object to be fixed, and the projection screen includes that setting exists Fixed link on the frame, the fixed device support the frame by the cooperation of the support construction and fixed link.
8. projection screen according to claim 7, which is characterized in that the fixed link is horizontally disposed and slidably Ground is arranged in the support construction of the fixed device.
9. projection screen according to claim 8, which is characterized in that the projection screen further includes being connected with the frame For limiting the horizontal locking device that the frame moves in the horizontal direction.
10. projection screen according to claim 9, which is characterized in that the horizontal locking device include for the external world Jackscrew stationary plane fixed horizontal fixed part and matched with the horizontal fixed part is provided on the frame perforative Threaded hole, the jackscrew pass through the threaded hole realization that is connected with the horizontal fixed part and are locked with the frame.
11. projection screen according to claim 10, which is characterized in that it is provided with kidney slot on the horizontal fixed part, The horizontal fixed part is fixedly connected with extraneous stationary plane by passing through the fastener of kidney slot.
12. projection screen according to claim 11, which is characterized in that the frame include the outer framework that is oppositely arranged and The top edge of the inner frame is arranged in inner frame, the fixed link, is arranged with the fixed device of fixed link cooperation It is at least two.
13. projection screen according to claim 12, which is characterized in that the horizontal locking device includes at least two, The two sides of the projection screen in the horizontal direction are separately positioned on, and are locked with the outer framework.
14. a kind of projection device, which is characterized in that the projection including projection screen and as described in right wants 7 to 11 any one Screen.
CN201711072267.1A 2017-11-03 2017-11-03 Fixing device, projection screen and projection equipment Active CN109752910B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201711072267.1A CN109752910B (en) 2017-11-03 2017-11-03 Fixing device, projection screen and projection equipment
PCT/CN2018/071430 WO2019085257A1 (en) 2017-11-03 2018-01-04 Fixing device, projection screen, and projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711072267.1A CN109752910B (en) 2017-11-03 2017-11-03 Fixing device, projection screen and projection equipment

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CN109752910A true CN109752910A (en) 2019-05-14
CN109752910B CN109752910B (en) 2021-06-08

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WO (1) WO2019085257A1 (en)

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Publication number Priority date Publication date Assignee Title
WO2021129500A1 (en) * 2019-12-24 2021-07-01 深圳光峰科技股份有限公司 Projection screen, flatness adjusting devices, and supporting and limiting device
WO2021159887A1 (en) * 2020-02-12 2021-08-19 深圳光峰科技股份有限公司 Projection screen device
WO2021164439A1 (en) * 2020-02-18 2021-08-26 深圳光峰科技股份有限公司 Projection screen structure
WO2022012344A1 (en) * 2020-07-14 2022-01-20 深圳光峰科技股份有限公司 Soft projection screen mounting construct

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Publication number Priority date Publication date Assignee Title
WO2021129500A1 (en) * 2019-12-24 2021-07-01 深圳光峰科技股份有限公司 Projection screen, flatness adjusting devices, and supporting and limiting device
WO2021159887A1 (en) * 2020-02-12 2021-08-19 深圳光峰科技股份有限公司 Projection screen device
WO2021164439A1 (en) * 2020-02-18 2021-08-26 深圳光峰科技股份有限公司 Projection screen structure
WO2022012344A1 (en) * 2020-07-14 2022-01-20 深圳光峰科技股份有限公司 Soft projection screen mounting construct

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