CN208735217U - A kind of optical projection system with automatic regulating function - Google Patents
A kind of optical projection system with automatic regulating function Download PDFInfo
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- CN208735217U CN208735217U CN201821181844.0U CN201821181844U CN208735217U CN 208735217 U CN208735217 U CN 208735217U CN 201821181844 U CN201821181844 U CN 201821181844U CN 208735217 U CN208735217 U CN 208735217U
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- installation
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- projection system
- gear
- automatic regulating
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Abstract
The utility model belongs to projection art, it is intended to provide a kind of optical projection system with automatic regulating function, its key points of the technical solution are that including projection screen and the projector relative to projection screen setting, it is connected with vertical adjustment structure between the projector and roof, is connected between the curtain outer cover and metope of the projection screen and laterally adjusts structure.This optical projection system with automatic regulating function enables projector to realize adjustment in the vertical direction by vertically adjusting structure；By laterally adjusting structure, projection screen is enabled horizontally to realize adjustment, vertically in transverse direction while adjust, so that realizing projector is right against projection screen, adjustment process is simple and fast, largely saves manpower.
Description
Technical field
The utility model relates to projection art, in particular to a kind of optical projection system with automatic regulating function.
Background technique
Projector also known as projector, it can be connected by the different same computers of interface, VCD, DVD, game machine etc.
It connects, to play corresponding video signal.
Have a projection screen with what projector was used cooperatively, projection screen be a kind of image for receiving projector radiation or
Video is set, and projector and projection screen collectively constitute optical projection system, and optical projection system is widely used in family, school, meeting
The places such as room, news conference.
Referring to Fig.1, optical projection system 1 includes projection screen 11 and curtain outer cover 111, and curtain outer cover 111 is detachably connected on
On metope, for projection screen 11 in curtain outer cover 111, projector is right against projection screen 11, and projector is outstanding by bracket
It hangs over below roof.When in use, projection screen 11 forms a piece of curtain wall by being released in curtain outer cover 111, and projector is by shadow
Picture signal is launched onto projection screen 11, to realize the display of image.
But it since optical projection system 1 is before use, be usually to be installed by staff, needs during the installation process
Projector and projection screen 11 are aligned, in alignment procedures, need to adjust repeatedly between projector and projection screen 11
Position, so that the center of the optical center alignment projection screen 11 of projector, alignment procedures are relatively complicated.
Utility model content
The purpose of the utility model is to provide a kind of optical projection systems with automatic regulating function, have the advantage that
It realizes and is automatically aligned between projector and projection screen, labour is greatly saved.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of optical projection system with automatic regulating function, including projection screen and the projection for being right against projection screen setting
Instrument, it is characterized in that: being connected with vertical adjustment structure, the curtain outer cover and wall of the projection screen between the projector and roof
It is connected between face and laterally adjusts structure.
By using above-mentioned technical proposal, the vertical structure that adjusts realizes the adjustment to projector in the vertical direction, horizontal
The adjustment to projection screen in the horizontal direction is realized to adjustment structure, during installation without alignment, it is only necessary to make projector
Projection screen is faced, after installation, by vertical and lateral two-way adjustment, is realized between projector and projection screen
Alignment, alignment procedures more automate compared to manual-alignment, and process is simpler, and labour is greatly saved.
Further setting: the vertical adjustment structure include from top to bottom sequentially connected driving assembly, adjust component and
Mounting assembly；
The driving component includes driving motor, installation platform sling and gear-box, and the installation platform sling is in " U " font, institute
The two sides for stating installation platform sling are equipped with trunnion, are through with through-hole on the trunnion, the gear-box is detachably connected on installation platform sling
Lower surface, the output shaft of the driving motor passes through installation platform sling and enters in gear-box, and the driving motor is fixedly connected
In the U-typed region of installation platform sling, the end fixing sleeve of output shaft is connected to drive bevel gear, under the drive bevel gear
Side is engaged with the first driven wheel of differential and the second driven wheel of differential, first driven wheel of differential and the second driven wheel of differential respectively
It is inserted with coiling shaft respectively, the coiling shaft is each passed through the opposite two sides of gear-box, is pierced by the end of gear-box
Fixing sleeve is equipped with reel respectively；
The adjustment component includes fixes sleeve and installation sunpender, and the fixes sleeve is fixedly connected on gear-box following table
Face, the installation boom pulley are connected in fixes sleeve, and the outside of the fixes sleeve is symmetrically provided with sliding along its axle center
Slot, the outside of the installation sunpender are equipped with the slipping block matched with slippage slot in pairs, and the slipping block sliding is in slippage slot
And fixes sleeve is stretched out, and the end for stretching out fixes sleeve is provided with the first threading hole, it is equipped with lifting rope in first threading hole,
The reel is corresponding with slipping block, and the center of the reel is vertically provided with the second threading hole worn for lifting rope；
The mounting assembly includes that pawl is hung in mounting bracket and the installation being fixedly connected on above mounting bracket, and the installation is hung
Pawl is removably connected to installation sunpender end, and the projector is detachably connected on the lower section of mounting bracket.
By using above-mentioned technical proposal, platform sling is installed by being bolted to below roof, by projector and projection
After curtain installs, start driving motor, driving motor delivers torque to drive bevel gear, drive bevel gear drive first from
Dynamic bevel gear and the second driven wheel of differential follow rotation, during rotation, are located at the first driven wheel of differential and second from mantle
The reel of geared end starts to wind lifting rope or unclamped, and during winding and unclamping lifting rope, installs sunpender
Upper and lower sliding is carried out in fixes sleeve, in slipping remittance, installation furred ceiling is driven on the projector of connection thereunder
Lower movement, to realize to the adjustment on projector vertical direction.
Further setting: the installation sunpender is provided with the opening in " mountain " type, the installation towards one end that pawl is hung in installation
The jaw for being provided with and being open on pawl to cooperation is hung, lateral direction penetrating there are at least two fixed holes in the opening and jaw, described
Bolt assembly is equipped in fixed hole.
By using above-mentioned technical proposal, mounting means is simple and convenient, the rotation of projector can be effectively limited, thus really
The camera lens for having protected projector can be right against projection screen always.
Further setting: being equipped with compressed spring between the gear-box and installation sunpender, the compressed spring, which is located at, fixes
In sleeve.
By using above-mentioned technical proposal, during moving up installation sunpender, compressed spring is compressed, to slow down
Installation sunpender moves up speed.When starting to transfer lifting rope, the elastic potential energy of compressed spring starts to discharge, and elastic force help is installed
Sunpender moves down, and effectively prevents installation sunpender clamping stagnation in fixes sleeve.
Further setting: the driving motor uses slowspeed machine.
By using above-mentioned technical proposal, slowspeed machine revolving speed is slower, so that the speed of take-up and unwrapping wire is slower, projector
Movement speed it is slower so that adjustment it is subtleer and accurate.
Further setting: first threading hole is tapered, and intermediate plate anchor, the lifting rope are placed in first threading hole
In intermediate plate anchor.
By using above-mentioned technical proposal, the first threading hole of intermediate plate anchor and taper is worked in coordination, to realize to hanging
The more stable clamping of rope.
Further setting: the structure that laterally adjusts includes the guide chute being connected on metope, and the guide chute is in
Horizontally disposed, the curtain outer cover is equipped with the directive slide track matched with directive slide track towards the side of metope.
By using above-mentioned technical proposal, guide chute and guiding rail are worked in coordination, and are realized and are covered on level outside curtain
Sliding on direction.
Further setting: the length of the directive slide track is greater than the length of curtain outer cover, and the both ends of the directive slide track are opened
There is a threaded hole, the threaded hole is bolted with clamping screw in the threaded hole towards the slot bottom of guide chute.
By using above-mentioned technical proposal, after curtain outer cover is adjusted to suitable position, locking will be screwed into threaded hole
Bolt, clamping screw contradict the slot bottom in guide chute, continue to slide on guide chute to limit and cover on outside curtain.
In conclusion the utility model has the following beneficial effects: by vertically adjustment structure and laterally adjusting structure
Two-way adjustment realizes the alignment between projector and projection screen, and alignment procedures are more automated compared to manual-alignment, peace
It is simpler to fill process, labour is greatly saved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for embodying optical projection system in the prior art；
Fig. 2 is the structural schematic diagram for embodying the utility model；
Fig. 3 is the enlarged drawing for embodying the portion A in Fig. 2；
Fig. 4 is for embodying the connection relationship diagram between vertical adjustment structure and projector；
Fig. 5 is the cross-sectional view for embodying gear-box internal structure；
Fig. 6 is the explosive view for embodying connection relationship between installation sunpender and intermediate plate anchor.
In figure, 1, optical projection system；11, projection screen；111, curtain outer cover；12, projector；13, bracket；2, vertical adjustment
Structure；21, driving assembly；211, driving motor；2111, drive bevel gear；212, platform sling is installed；213, gear-box；2131,
One driven wheel of differential；2132, the second driven wheel of differential；214, trunnion；2141, through-hole；215, coiling shaft；216, reel；
2161, the second threading hole；22, component is adjusted；221, fixes sleeve；2211, slippage slot；222, sunpender is installed；2221, it slides
Block；22211, the first threading hole；2222, it is open；223, intermediate plate anchor；23, mounting assembly；231, mounting bracket；232, installation is hung
Pawl；2321, jaw；233, locking hole；234, bolt assembly；24, lifting rope；25, compressed spring；3, structure is laterally adjusted；31, it leads
To sliding slot；32, directive slide track；321, threaded hole；33, clamping screw.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of optical projection system with automatic regulating function, referring to Fig. 2 and Fig. 3, including projection screen 11 and just
The projector 12 that projection screen 11 is arranged.Vertical adjustment structure 2, projection screen 11 are connected between projector 12 and roof
Curtain outer cover 111 and metope between be connected with laterally adjust structure 3(referring to Fig. 4).
Referring to Fig. 2 and Fig. 3, during installation, it is only necessary to projector 12 is right against projection screen 11, be not necessarily to projector 12
The center of optical center alignment projection screen 11 using vertical adjustment structure 2, realize after installation is complete to projector
12 adjustment in the vertical direction；Using structure 3(is laterally adjusted referring to Fig. 4), realize to curtain outer cover 111 in the horizontal direction
On adjustment.By the cooperation for vertically adjusting structure 2 He laterally adjusting structure 3, the optical center of projector 12 and projection screen
11 center alignment.
Referring to Fig. 4, the vertical structure 2 that adjusts includes driving assembly 21, adjustment component 22 and mounting assembly 23, three by upper and
Under be sequentially connected.
Referring to Fig. 4, driving assembly 21 includes driving motor 211, installation platform sling 212 and gear-box 213.Platform sling 212 is installed
It is connected to the lower section on roof, installation platform sling 212 is in U-typed, and driving motor 211 is through being bolted to the U-typed of installation platform sling 212
In region, it is preferred that driving motor 211 selects slowspeed machine.
Referring to Fig. 4, it is equipped with trunnion 214 in the two sides of installation platform sling 212, is through with through-hole 2141 with the plate of trunnion 214,
During installation, trunnion 214 is attached under ceiling, realizes installation platform sling 212 and roof by wearing bolt in through-hole 2141
Between connection.
Referring to Fig. 4, gear-box 213 is fitted in the lower surface of installation platform sling 212, connects between the two by wearing bolt and realizing
It connects.Driving motor 211 is mounted vertically on installation platform sling 212, and output shaft passes through installation platform sling 212 and protrudes into gear-box 213
Interior, the end fixing sleeve of the output shaft of driving motor 211 is equipped with drive bevel gear 2111 (referring to Fig. 5), in drive bevel gear
2111 lower section is engaged with the first driven wheel of differential 2131 (referring to Fig. 5) and the second driven wheel of differential 2132 (reference Fig. 5), and first
Driven wheel of differential 2131 and the second driven wheel of differential 2132 are away from each other.
Referring to Fig. 5, the first driven wheel of differential 2131 and the second driven wheel of differential 2132 are inserted with coiling shaft 215 respectively,
Two coiling shafts 215 pass through the opposite sides face of gear-box 213, and coiling shaft 215 is pierced by the end fixing sleeve of gear-box 213
Equipped with reel 216.
Referring to Fig. 4, adjustment component 22 includes fixes sleeve 221 and installation sunpender 222.Fixes sleeve 221 is fixedly connected on
The lower section of gear-box 213 is symmetrically provided with twice slippage slot 2211, slippage slot 2211 along its axle center in 221 outside of fixes sleeve
It is right against reel 216 in the vertical direction.The sliding of sunpender 222 is installed in fixes sleeve 221, the outer of sunpender 222 is being installed
Portion is equipped with the slipping block 2221 matched with slippage slot 2211, and slipping block 2221 slides in slippage slot 2211, and end is stretched out
Fixes sleeve 221.
Referring to Fig. 6, stretch out fixes sleeve 221(referring to Fig. 4 in slipping block 2221) end vertically communicated have the first threading
Hole 22211, reel 216(is referring to Fig. 5) it is through with the second threading hole 2161(reference matched with the first threading hole 22211
Fig. 5), lifting rope 24(is equipped with referring to Fig. 4) in the first threading hole 22211 and the second threading hole 2161, it is preferred that lifting rope 24 uses
Wirerope.
Referring to Fig. 5, in vertically adjustment structure 2(referring to Fig. 4) when needing work, starting driving motor 211, driving motor
211 deliver torque to drive bevel gear 2111, and drive bevel gear 2111 drives the first driven wheel of differential 2131 and second driven
Bevel gear 2132 rotates, and reel 216(is referring to Fig. 4) with the first driven wheel of differential 2131 and the second driven wheel of differential 2132
Rotate and rotate, during rotation, lifting rope 24(is referring to Fig. 4) it is wound or unclamps with the rotation of reel 216, thus
Installation sunpender 222 is driven to rise or move down in fixes sleeve 221.
Referring to Fig. 6, in order to reinforce lifting rope 24(referring to the connective stability between Fig. 4) and the first threading hole 22211, first
Threading hole 22211 is set as taper, is greater than its diameter far from ground one end towards the diameter of ground one end, in the first threading
It is placed with intermediate plate anchor 223 in hole 22211, lifting rope 24 passes through intermediate plate anchor 223 after beating fried dough twist knot, by the setting of intermediate plate anchor 223,
Lifting rope 24 can be more steadily clamped in the first threading hole 22211.
Referring to Fig. 4, mounting assembly 23 includes that pawl is hung in mounting bracket 231 and the installation being welded on above mounting bracket 231
232, projector 12 is through being bolted to the lower section of mounting bracket 231.Installation sunpender 222 is opened far from the end of fixes sleeve 221
There is opening 2222(referring to Fig. 6), which is in " mountain " font, and one end that pawl 232 is hung in installation towards installation sunpender 222 is provided with
The jaw 2321 matched with opening 2222 in engaged jaw 2321 and is opened after 2321 insertion opening 2222 of jaw is interior
There are two locking hole 233(referring to Fig. 6) for lateral direction penetrating on mouthfuls 2222, is equipped with bolt assembly respectively in two locking holes 233
234。
Referring to Fig. 4, the setting of pawl 232 is hung by installing, on the one hand realize installation hang pawl 232 and installation sunpender 222 it
Between be detachably connected, mount and dismount it is more convenient；On the other hand, the two locking hole 233(opened up are referring to Fig. 6) it limits
The rotation of pawl 232 is hung in installation, is enabled projector 12 to be right against projection screen 11(always referring to Fig. 2), is improved projection
Stability.
Referring to Fig. 4, compressed spring 25 is equipped between gear-box 213 and installation sunpender 222, compressed spring 25, which is located at, fixes
In sleeve 221.During reel 216 furls lifting rope 24, compressed spring 25 can be contradicted on installation sunpender 222, from
And make the rate of climb for installing sunpender 222 gentler；During reel 216 transfers lifting rope 24, compressed spring 25
Elastic potential energy is discharged, elastic force pushes installation sunpender 222 to move down.
Referring to Fig. 3, laterally adjusting structure 3 includes the guide chute 31 being connected on metope, and guide chute 31 passes through bolt
It is connected on metope, guide chute 31 is in horizontally disposed.It is equipped with and guide chute 31 in the one side of curtain outer cover 111 towards metope
The directive slide track 32 matched.
Referring to Fig. 3, the length of directive slide track 32 is greater than the length of curtain outer cover 111, is provided at the both ends of directive slide track 32
Threaded hole 321, threaded hole 321 are penetrated through to the slot bottom of guide chute 31, and clamping screw 33 is bolted in threaded hole 321.It is leading
After being moved to suitable position to sliding rail 32, clamping screw 33 is tightened, clamping screw 33 contradicts the slot bottom in guide chute 31, thus
Curtain outer cover 111(is realized referring to the locked of Fig. 2).
Specific installation process:
1, guide chute 31 is initially mounted on metope, curtain outer cover 111 slides on guide chute 31；
2, the Position Approximate between projector 12 and projection screen 11 is determined using naked eyes, then hang installation by bolt
Plate 212 is ceiling mounted；
3, projector 12 is opened, is started according to the image being projected on projection screen 11 to projector 12 and projection screen 11
Curtain be adjusted:
(1), the position of adjustment projector 12 vertically, opens driving motor 211, and driving motor 211 drives reel
216 rotations, in the rotation process of reel 216, installation sunpender 222 is shifted up or declines, when projector 12 is cast out
Image when being located at the middle position on 11 vertical direction of projection screen, close motor, thus realize it is vertical to projector 12
Adjustment on direction；
(2), the position of adjustment projection screen 11 horizontally, unscrews clamping screw 33, slides curtain outer cover 111, is throwing
When the image that shadow instrument 12 projects is located at the middle position in 11 horizontal direction of projection screen, clamping screw 33 is locked, is limited
Curtain outer cover 111 continues to slide.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of optical projection system with automatic regulating function, including projection screen (11) and it is right against projection screen (11) setting
Projector (12), it is characterized in that: being connected with vertical adjustment structure (2), the projection between the projector (12) and roof
It is connected between the curtain outer cover (111) and metope of curtain (11) and laterally adjusts structure (3).
2. a kind of optical projection system with automatic regulating function according to claim 1, it is characterized in that: the vertical adjustment
Structure (2) includes from top to bottom sequentially connected driving assembly (21), adjustment component (22) and mounting assembly (23)；
The driving component (21) includes that driving motor (211), installation platform sling (212) and gear-box (213), the installation are hung
Plate (212) is in " U " font, and the two sides of installation platform sling (212) are equipped with trunnion (214), is through on the trunnion (214) logical
Hole (2141), the gear-box (213) are detachably connected on the lower surface of installation platform sling (212), the driving motor (211)
Output shaft passes through installation platform sling (212) and enters in gear-box (213), and the driving motor (211) is fixedly connected on installation and hangs
In the U-typed region of plate (212), the end fixing sleeve of output shaft is connected to drive bevel gear (2111), the drive bevel gear
(2111) lower section is engaged with the first driven wheel of differential (2131) and the second driven wheel of differential (2132) respectively, and described first is driven
Bevel gear (2131) and the second driven wheel of differential (2132) are inserted with coiling shaft (215) respectively, the coiling shaft (215) point
Not Chuan Guo the opposite two sides of gear-box (213), be pierced by gear-box (213) end difference fixing sleeve be equipped with reel
(216)；
The adjustment component (22) includes fixes sleeve (221) and installation sunpender (222), and the fixes sleeve (221) is fixed to be connected
It connects in gear-box (213) lower surface, installation sunpender (222) sliding is connected in fixes sleeve (221), the fixes sleeve
(221) outside is symmetrically provided with slippage slot (2211) along its axle center, and the outside of installation sunpender (222) is equipped with and cunning in pairs
The slipping block (2221) that slot (2211) match is moved, slipping block (2221) sliding is in slippage slot (2211) and stretches out fixation
Sleeve (221), the end for stretching out fixes sleeve (221) are provided with the first threading hole (22211), first threading hole
(22211) it is equipped with lifting rope (24) in, the reel (216) is corresponding with slipping block (2221), the reel (216)
Center is vertically provided with the second threading hole (2161) worn for lifting rope (24)；
The mounting assembly (23) includes that pawl is hung in mounting bracket (231) and the installation being fixedly connected on above mounting bracket (231)
(232), the installation hangs pawl (232) and is removably connected to installation sunpender (222) end, and the projector (12) is detachably connected
In the lower section of mounting bracket (231).
3. a kind of optical projection system with automatic regulating function according to claim 2, it is characterized in that: the installation sunpender
(222) it is provided with the opening (2222) in " mountain " type towards one end that pawl (232) is hung in installation, the installation is hung to be provided on pawl (232)
With the jaw (2321) of opening (2222) Xiang Peihe, lateral direction penetrating has at least two on the opening (2222) and jaw (2321)
Locking hole (233), the locking hole (233) is interior to be equipped with bolt assembly (234).
4. a kind of optical projection system with automatic regulating function according to claim 2, it is characterized in that: the gear-box
(213) compressed spring (25) are equipped between installation sunpender (222), the compressed spring (25) is located in fixes sleeve (221).
5. a kind of optical projection system with automatic regulating function according to claim 2, it is characterized in that: the driving motor
(211) slowspeed machine is used.
6. a kind of optical projection system with automatic regulating function according to claim 2, it is characterized in that: first threading
Hole (22211) is tapered, is placed with intermediate plate anchor (223) in first threading hole (22211), the lifting rope (24) is located at intermediate plate
In anchor (223).
7. a kind of optical projection system with automatic regulating function according to claim 1, it is characterized in that: described laterally adjust
Structure (3) includes the guide chute (31) being connected on metope, and the guide chute (31) is in horizontally disposed, the curtain outer cover
(111) directive slide track (32) matched with directive slide track (32) is equipped with towards the side of metope.
8. a kind of optical projection system with automatic regulating function according to claim 7, it is characterized in that: the directive slide track
(32) length is greater than the length of curtain outer cover (111), and the both ends of the directive slide track (32) are provided with threaded hole (321), described
For threaded hole (321) towards the slot bottom of guide chute (31), the threaded hole (321) is interior to be bolted with clamping screw (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181844.0U CN208735217U (en) | 2018-07-24 | 2018-07-24 | A kind of optical projection system with automatic regulating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181844.0U CN208735217U (en) | 2018-07-24 | 2018-07-24 | A kind of optical projection system with automatic regulating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208735217U true CN208735217U (en) | 2019-04-12 |
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ID=66026895
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821181844.0U Active CN208735217U (en) | 2018-07-24 | 2018-07-24 | A kind of optical projection system with automatic regulating function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026888A (en) * | 2019-12-26 | 2020-04-17 | 成都师范学院 | Library intelligent reading system based on computer |
| CN111276075A (en) * | 2020-03-16 | 2020-06-12 | 兰州石化职业技术学院 | Animation design show propaganda equipment |
-
2018
- 2018-07-24 CN CN201821181844.0U patent/CN208735217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026888A (en) * | 2019-12-26 | 2020-04-17 | 成都师范学院 | Library intelligent reading system based on computer |
| CN111276075A (en) * | 2020-03-16 | 2020-06-12 | 兰州石化职业技术学院 | Animation design show propaganda equipment |
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