CN105159015B - A kind of lens assembly - Google Patents
A kind of lens assembly Download PDFInfo
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- CN105159015B CN105159015B CN201510603380.2A CN201510603380A CN105159015B CN 105159015 B CN105159015 B CN 105159015B CN 201510603380 A CN201510603380 A CN 201510603380A CN 105159015 B CN105159015 B CN 105159015B
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- curved reflector
- base
- adjustable side
- adjusting screw
- projection lens
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 92
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The embodiment of the present invention provides a kind of lens assembly, is related to scialyscope technical field, the reflection angle of curved reflector can be adjusted flexibly.Described lens assembly includes first base and second base, curved reflector is provided with first base, curved reflector includes reflecting surface and non-reflecting surface, projection lens is provided with second base, the side of the non-reflecting surface of curved reflector is provided with front shroud, front shroud is fixed in first base, and curved reflector includes the first adjustable side and second adjustable side relative with the first adjustable side；Also include the first regulating part, front shroud is provided with first through hole, the first regulating part passes through first through hole, the first regulating part can drive the first adjustable side of curved reflector to move to the direction closer or far from projection lens；Position limiting structure is fixed with first base；Position limiting structure can restricted curved surface reflecting mirror displacement on the direction closer or far from projection lens for second adjustable side.The present invention is used for scialyscope.
Description
Technical field
The present invention relates to scialyscope technical field, more particularly, to a kind of lens assembly.
Background technology
With scientific and technical continuous progress, projection display technique was developed rapidly in recent years.Wherein, short focus are thrown
Shadow is little due to required projector distance, becomes recent research emphasis the advantages of projected picture is big.
At present, a kind of mode realizing short focus projection is reflective short focus projection.By projection lens, image is projected
On curved reflector, via on curved reflector to projection screen.In prior art, in order to prevent dust or external force
Reflection to curved reflector adversely affects, and typically seals curved reflector, and is fixed on one with projection lens
Rise.But during processing and assembling, be likely to result in the change of the reflection angle of curved reflector, and then projection occurs
Image frame offset, On Local Fuzzy, or image focusing position not to the problems such as, affect Projection Display quality.
Content of the invention
Embodiments of the invention provide a kind of lens assembly, and the reflection angle of curved reflector can be adjusted flexibly, and improve
Projection Display quality.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that：
The embodiment of the present invention provides a kind of lens assembly, including first base and second base, described first base sets
It is equipped with curved reflector, described curved reflector includes reflecting surface and non-reflecting surface, and described second base is provided with projection lens
Head, light can be incident upon on the reflecting surface of described curved reflector for described projection lens, described curved reflector non-reflective
The side in face is provided with front shroud, and described front shroud is fixed in described first base,
Described curved reflector includes the first adjustable side and second adjustable side relative with described first adjustable side；
Also include the first regulating part, described front shroud is provided with first through hole, described first regulating part passes through described the
One through hole, described first regulating part can drive described first adjustable side of described curved reflector to closer or far from described projection
The direction of camera lens is moved；
It is fixed with position limiting structure in described first base；Described position limiting structure can limit described the of described curved reflector
Displacement on the direction closer or far from described projection lens for two adjustable sides.
Optionally, described first regulating part includes the first impeller and the first elastic component；
Described first impeller passes through the described first through hole of described front shroud, and described first impeller can promote described song
Described first adjustable side of face reflecting mirror is moved near the direction of described projection lens；
One end of described first elastic component is contacted with described first base, and the other end is contacted with described curved reflector.
Optionally, described first impeller includes the first adjusting screw；The head of described first adjusting screw is located at described
In the described first through hole of front shroud, by rotating described first adjusting screw, described first adjusting screw can promote described song
Described first adjustable side of face reflecting mirror is moved near the direction of described projection lens.
Optionally, described first base includes fixed part, and described fixed position is in the reflecting surface of described curved reflector
Side, described fixed part is fixed with described first base；
Regulation via is provided with described curved reflector；It is provided with screwed hole, described first regulation on described fixed part
Screw passes through the described first through hole of described front shroud and described regulation via, screws in described screwed hole.
Optionally, described first elastic component is the first spring, and described first spring is set in described first adjusting screw.
Optionally, the two ends at the top of described curved reflector are respectively arranged with described first regulating part.
Optionally, described second adjustable side of described curved reflector is fixedly installed spherical surface hill,
Described position limiting structure is described second adjustable side being arranged on described curved reflector closer or far from described projection
Two baffle plates on the direction of camera lens, described spherical surface hill is located between described two baffle plates, and exists with described two baffle plates
Point contact.
Optionally, also include the second regulating part, described front shroud is provided with the second through hole, described second regulating part passes through
Described second through hole, described second regulating part can drive described second adjustable side of described curved reflector to closer or far from institute
The direction stating projection lens is moved.
Optionally, described second regulating part includes the second impeller and the second elastic component；
Described second impeller passes through described second through hole of described front shroud, and described second impeller can promote described song
Described second adjustable side of face reflecting mirror is moved to the direction closer or far from described projection lens；
One end of described second elastic component is contacted with described second impeller, and the other end is contacted with described first base.
Optionally, described second impeller includes the second adjusting screw, regulating block and embedded nut post；
Described embedded nut column sleeve is located in described second adjusting screw, and fixes with described front shroud；
Described regulating block is arranged between described second adjusting screw and described curved reflector, one end of described regulating block
Contact with described second adjusting screw, the other end adjusts end in contact with described the second of described curved reflector；
When rotating described second adjusting screw, described second adjusting screw is passed through to promote described regulating block to promote described song
Described second adjustable side of face reflecting mirror is moved to the direction closer or far from described projection lens.
Optionally, the edge of described regulating block is boss-shaped, and described first base is provided with two grooves, described regulation
Block can slide in two described grooves.
Optionally, adjust the surface of end in contact with respect to institute with described the second of described curved reflector in described regulating block
State the inclined bottom surface of regulating block.
The embodiment of the present invention provides a kind of lens assembly, including first base and second base, first base is provided with
Curved reflector, curved reflector includes reflecting surface and non-reflecting surface, and second base is provided with projection lens, and projection lens can
Light is incident upon on the reflecting surface of curved reflector, the side of the non-reflecting surface of curved reflector is provided with front shroud, protecgulum
Plate is fixed in first base, and curved reflector includes the first adjustable side and second adjustable side relative with the first adjustable side；Also
Including the first regulating part, front shroud is provided with first through hole, the first regulating part passes through first through hole, the first regulating part can drive
First adjustable side of curved reflector is moved to the direction closer or far from projection lens；Limited location knot is fixed on first base
Structure；Position limiting structure can restricted curved surface reflecting mirror movement on the direction closer or far from projection lens for second adjustable side away from
From.Compared to prior art, lens assembly provided in an embodiment of the present invention, using the second of position limiting structure restricted curved surface reflecting mirror
The displacement of adjustable side, then passes through the first regulating part and adjusts the first adjustable side of curved reflector to closer or far from projection
The direction of camera lens is moved, now curved reflector can rotate or angle of inclination change, i.e. the reflection of curved reflector
Angle changes, and the reflection angle of curved reflector so can be adjusted flexibly, and improves Projection Display quality.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is lens assembly schematic diagram one provided in an embodiment of the present invention；
Fig. 2 is lens assembly schematic diagram two provided in an embodiment of the present invention；
Fig. 3 is lens assembly schematic diagram three provided in an embodiment of the present invention；
Fig. 4 is lens assembly schematic diagram four provided in an embodiment of the present invention；
Fig. 5 is lens assembly partial schematic diagram one provided in an embodiment of the present invention；
Fig. 6 is lens assembly partial schematic diagram two provided in an embodiment of the present invention；
Fig. 7 is Curved reflecting mirror structure schematic diagram provided in an embodiment of the present invention；
Fig. 8 is first base structural representation provided in an embodiment of the present invention；
Fig. 9 is regulating block structural representation provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of lens assembly, as shown in Figures 1 to 9, including first base 11 and second base
12, first base 11 is provided with curved reflector 13, curved reflector 13 includes reflecting surface and non-reflecting surface, second base 12
On be provided with projection lens 14, light can be incident upon on the reflecting surface of curved reflector 13 for projection lens 14, curved reflector
The side of 13 non-reflecting surface is provided with front shroud 15, and front shroud 15 is fixed in first base 11, and curved reflector 13 includes
First adjustable side 131 and second adjustable side 132 relative with the first adjustable side 131；Also include the first regulating part, on front shroud 15
It is provided with first through hole 151, the first regulating part passes through first through hole 151, the first regulating part can drive the of curved reflector 13
One adjustable side 131 is moved to the direction closer or far from projection lens 14；Position limiting structure 16 is fixed with first base 11；Spacing
Structure 16 can restricted curved surface reflecting mirror 13 movement on the direction closer or far from projection lens 14 for second adjustable side 132 away from
From.
First regulating part can drive the first adjustable side 131 of curved reflector 13 to the side closer or far from projection lens 14
To movement；Wherein, the first regulating part can have various ways, example, and the first regulating part can be regulation spiral shell as shown in Figure 4
The structure of nail cooperation spring, the first regulating part can also be scalable push rod or air cylinder structure etc., and the embodiment of the present invention is to this
Do not limit.
With reference to shown in Fig. 4 and Fig. 5, limit the shifting of the second adjustable side 132 of curved reflector 13 using position limiting structure 16
After dynamic scope, by adjusting the first regulating part, the first regulating part drive the first adjustable side 131 of curved reflector 13 near or
Away from projection lens 14 direction move, at this moment curved reflector 13 can rotate or angle of inclination change.Example,
With reference to shown in Fig. 4, the two ends at the top of curved reflector 13 are respectively provided with one group of first regulating part, when only adjusting one of which the
During one regulating part, curved reflector 13 can occur the rotation on left and right directions, at this moment can realize image on screen On Local Fuzzy
Or the regulation not focused in tram；When adjusting two groups of regulating parts simultaneously, curved reflector 13 can occur on above-below direction
Rotation, that is, occur pitch regulation, at this moment can realize the regulation of the front and back position of imaging region on screen, be achieved in that spirit
The purpose of the reflection angle of adjustment curved reflector alive.
With reference to shown in Fig. 3, front shroud 15 is provided with first through hole 151, the first regulating part passes through first through hole 151, this
Sample can be in the convenient regulation in the outside of front shroud 15 first regulating part.
So, compared to prior art, lens assembly provided in an embodiment of the present invention, limited bent using position limiting structure
The displacement of the second adjustable side of face reflecting mirror, then pass through first regulating part adjust curved reflector the first adjustable side to
Direction closer or far from projection lens is moved, now curved reflector can rotate or angle of inclination change, that is, bent
The reflection angle of face reflecting mirror changes, and the reflection angle of curved reflector so can be adjusted flexibly, and improves Projection Display
Quality.
With reference to shown in Fig. 1 and Fig. 2, described lens assembly also includes lens 191 and upper cover plate 192, and projection lens 14 is by light
Line is incident upon on the reflecting surface of curved reflector 13, and light reaches at lens 191 after curved reflector 13 reflection, Ran Houjing
Cross lens 191 transmission, be finally radiated on screen, form display image.Upper cover plate 192 and first base 11, second base 12
And front shroud 15 constitutes encapsulation cavity, together for being encapsulated projection lens 14 and curved reflector 13.
Further, with reference to shown in Fig. 3 and Fig. 4, the first regulating part includes the first impeller 171 and the first elastic component 172；
First impeller 171 passes through the first through hole 151 of front shroud 15, and the first impeller 171 can promote the first of curved reflector 13
Adjustable side 131 is moved near the direction of projection lens 14；One end of first elastic component 172 is contacted with first base 11, another
End is contacted with curved reflector 13.
Wherein, the first impeller 171 can have various ways, example, can be adjusting screw, or push rod etc., this
Inventive embodiments do not limit to this.First elastic component 172 can be spring, or shell fragment etc., the embodiment of the present invention is to this also
Do not limit.
Optionally, with reference to shown in Fig. 3 and Fig. 4, the first impeller 171 includes the first adjusting screw；First adjusting screw
Head is located in the first through hole 151 of front shroud 15, and by rotating the first adjusting screw, the first adjusting screw can promote curved surface anti-
The first adjustable side 131 penetrating mirror 13 is moved near the direction of projection lens 14.
Described first adjusting screw can pass through curved reflector it is also possible to be not passed through curved reflector, and the present invention is implemented
Example does not limit to this.Example, when the first adjusting screw is not passed through curved reflector, can fix in the inner side of front shroud
One nut is set, and then the first adjusting screw passes through the first through hole of front shroud and described nut, the head of the first adjusting screw
Portion is located at outside described front shroud, is easy to adjust the first adjusting screw, the afterbody of the first adjusting screw is against on curved reflector,
So pass through to rotate the first adjusting screw, the first adjusting screw can promote the first adjustable side of curved reflector near projection lens
The direction of head is moved；When the first adjusting screw passes through curved reflector, with reference to shown in Fig. 4, first base 11 includes fixed part
111, fixed part 111 is located at the side of the reflecting surface of curved reflector 13, and fixed part 111 is fixing with first base 11；Curved surface is anti-
Penetrate and regulation via 133 is provided with mirror 13；Screwed hole 1111 is provided with fixed part 111, the first adjusting screw passes through front shroud
15 first through hole 151 and regulation via 133, screw in screwed hole 1111.Using this kind of mode not only so that first adjusts
Section screw promotes the first adjustable side 131 of curved reflector 13 to move near the direction of projection lens 14, and the first regulation
Screw may also operate as supporting and be relatively fixed the effect of curved reflector.
Preferably, with reference to shown in Fig. 4, the first elastic component 172 is the first spring, and the first spring is set in the first adjusting screw
On.So do not need specially to go to fix the first spring, implementation is simple, easy to operate.
Preferably, the two ends at the top of curved reflector 13 are respectively arranged with the first regulating part.
With reference to shown in Fig. 4, it is respectively provided with one group of first regulating part at the two ends at the top of curved reflector 13, when only adjusting
During one of which the first regulating part, curved reflector 13 can occur the rotation on left and right directions, at this moment can realize the upper figure of screen
The regulation not focused on as On Local Fuzzy or in tram；When adjusting two groups of regulating parts simultaneously, curved reflector 13 can occur
, that is, there is pitch regulation, at this moment can realize the regulation of the front and back position of imaging region on screen in the rotation on above-below direction, this
Sample achieves the purpose of the reflection angle that curved reflector is adjusted flexibly.
Further, with reference to shown in Fig. 5 and Fig. 7, the second adjustable side 132 of curved reflector 13 is fixedly installed sphere
Raised 134, position limiting structure 16 is the side closer or far from projection lens 14 for second adjustable side 132 being arranged on curved reflector 13
Two baffle plates upwards, spherical surface hill 134 is located between two baffle plates, and contacts with two baffle plates presence points.
Wherein, two baffle plates are fixing with first base 11, and in actual fabrication, baffle plate can be become with first base 11 one
Type it is also possible to reference to shown in Fig. 5 and Fig. 8, in first base, setting baffle plate locks screwed hole 161, then using locking screw
Baffle plate is fixed on baffle plate lock in screwed hole 161, realizes the fixation of baffle plate and first base 11.
Described baffle plate is contacted with spherical surface hill 134 holding point, and described baffle plate provides the effect that a continuing surface supports, in song
Curved reflector 13 can be kept to rotate when face reflecting mirror 13 is conditioned smooth.When curved reflector 13 carries out facing upward regulation,
Second adjustable side 132 of curved reflector 13 is lifted, described spherical surface hill 134 just carry out on described baffle plate on move.
Further, with reference to shown in Fig. 3 to Fig. 9, described lens assembly also includes the second regulating part, and front shroud 15 is arranged
There is the second through hole 152, the second regulating part passes through the second through hole 152, the second regulating part can drive the second of curved reflector 13 to adjust
Section end 132 is moved to the direction closer or far from projection lens 14.
Wherein, the second regulating part can have various ways, example, and the second regulating part can be regulation as shown in Figure 5
The structure that screw, regulating block and spring match, the second regulating part can also be scalable push rod or air cylinder structure etc., this
Inventive embodiments do not limit to this.
Regulation by the second regulating part, it is possible to achieve the lifting and putting down, so of the second adjustable side of curved reflector
The regulation of screen imaging region upper-lower position can be realized；This part is actually and curved reflector has been carried out with a tune of facing upward
Section, but amplitude of generally lifting is less, and general raising height is in 0.5mm.
Further, with reference to shown in Fig. 5, the second regulating part includes the second impeller and the second elastic component 181；Second promotion
Part passes through the second through hole 152 of front shroud 15, and the second impeller can promote the second adjustable side 132 of curved reflector 13 to close
Or the direction movement away from projection lens 14；One end of second elastic component 181 is contacted with the second impeller, the other end and the first bottom
Seat 11 contact.
Wherein, the second impeller can have various ways, example, can be adjusting screw or adjusting screw
Cooperation regulating block, or can also be push rod etc., the embodiment of the present invention does not limit to this.Second elastic component 181 can be bullet
Spring, or shell fragment etc., the embodiment of the present invention does not also limit to this.The embodiment of the present invention can be bullet to the second elastic component 181
The setting quantity of spring does not equally limit, preferably, with reference to shown in Fig. 5, in the second impeller near the one of curved reflector 13
The both sides of side are respectively provided with the second elastic component 181, so that the regulation of curved reflector 13 is more stable.
Optionally, with reference to shown in Fig. 5, the second impeller includes the second adjusting screw 182, regulating block 183 and embedded nut
Post 184；Embedded nut post 184 is set in the second adjusting screw 182, and fixing with front shroud 15；Regulating block 183 is arranged on
Between two adjusting screws 182 and curved reflector 13, one end of regulating block 183 is contacted with the second adjusting screw 182, the other end with
Second adjustable side 132 of curved reflector 13 contacts；When rotating the second adjusting screw 182, the second adjusting screw 182 is passed through to push away
Dynamic regulating block 183 promotes the second adjustable side 132 of curved reflector 13 to move to the direction closer or far from projection lens 14.
Wherein, the direction of rotation of described second adjusting screw 182 can be clockwise or square counterclockwise
To needing to be operated according to actual needs.When turn clockwise the second adjusting screw 182 when, the second adjusting screw 182 is relatively
Inwardly stretch out in front shroud 15, promote regulating block 183 mobile to second adjustable side 132 of curved reflector 13, compression simultaneously the
Two elastic components 181, after regulating block 183 is contacted with the second adjustable side 132 of curved reflector 13, inside with regulating block 183
Continue to move to, regulating block 183 promotes to be lifted on the second adjustable side 132 of curved reflector 13, with reference to shown in Fig. 6, when counterclockwise
When rotating the second adjusting screw 182, the second adjusting screw 182 outwards screws out with respect to front shroud 15, and regulating block 183 is in the second bullet
Property part 181 elastic force effect under be displaced outwardly, the second adjustable side 132 of curved reflector 13 falls.
Preferably, with reference to shown in Fig. 4 and Fig. 9, the edge of regulating block 183 is boss-shaped, and first base 11 is provided with two
Bar groove 112, regulating block 183 can slide in two grooves 112.Regulating block 183 so can be facilitated mobile, so facilitate right
Second adjustable side 132 of curved reflector 13 is adjusted.With reference to shown in Fig. 9, can also be in regulating block 183 near camber reflection
On the surface of the second adjustable side 132 of mirror 13, second elastic component putting hole 1831 is set, is so easy to place and is relatively fixed institute
State the second elastic component 181.
Preferably, the surface contacting with the second adjustable side 132 of curved reflector 13 in regulating block 183 is with respect to regulating block
183 inclined bottom surface.The surface that the second adjustable side 132 with curved reflector 13 in regulating block 183 is contacted is set to
Face, when the second adjustable side 132 of such curved reflector 13 is lifted, the inclined plane of described regulating block 183 can be anti-to curved surface
Penetrate mirror 13 to play a supporting role so that the regulation of curved reflector 13 is more firm.
The embodiment of the present invention provides a kind of lens assembly, including first base and second base, first base is provided with
Curved reflector, curved reflector includes reflecting surface and non-reflecting surface, and second base is provided with projection lens, and projection lens can
Light is incident upon on the reflecting surface of curved reflector, the side of the non-reflecting surface of curved reflector is provided with front shroud, protecgulum
Plate is fixed in first base, and curved reflector includes the first adjustable side and second adjustable side relative with the first adjustable side；Also
Including the first regulating part, front shroud is provided with first through hole, the first regulating part passes through first through hole, the first regulating part can drive
First adjustable side of curved reflector is moved to the direction closer or far from projection lens；Limited location knot is fixed on first base
Structure；Position limiting structure can restricted curved surface reflecting mirror movement on the direction closer or far from projection lens for second adjustable side away from
From.Compared to prior art, lens assembly provided in an embodiment of the present invention, using the second of position limiting structure restricted curved surface reflecting mirror
The displacement of adjustable side, then passes through the first regulating part and adjusts the first adjustable side of curved reflector to closer or far from projection
The direction of camera lens is moved, now curved reflector can rotate or angle of inclination change, i.e. the reflection of curved reflector
Angle changes, and the reflection angle of curved reflector so can be adjusted flexibly, and improves Projection Display quality.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by described scope of the claims.
Claims (12)
1. a kind of lens assembly, including first base and second base, described first base is provided with curved reflector, described
Curved reflector includes reflecting surface and non-reflecting surface, and described second base is provided with projection lens, and described projection lens can be by
Light is incident upon on the reflecting surface of described curved reflector, and the side of the non-reflecting surface of described curved reflector is provided with protecgulum
Plate, described front shroud be fixed in described first base it is characterised in that
Described curved reflector includes the first adjustable side and the second adjustable side being located at bottom positioned at top；
Also include the first regulating part, described front shroud is provided with first through hole, described first regulating part passes through described first to lead to
Hole, described first regulating part can drive described first adjustable side of described curved reflector to closer or far from described projection lens
Direction move；
It is fixed with position limiting structure in described first base；Described position limiting structure can limit described second tune of described curved reflector
Displacement on the direction closer or far from described projection lens for the section end.
2. lens assembly according to claim 1 is it is characterised in that described first regulating part includes the first impeller and
One elastic component；
Described first impeller passes through the described first through hole of described front shroud, and described first impeller can promote described curved surface anti-
Described first adjustable side penetrating mirror is moved near the direction of described projection lens；
One end of described first elastic component is contacted with described first base, and the other end is contacted with described curved reflector.
3. lens assembly according to claim 2 it is characterised in that
Described first impeller includes the first adjusting screw；The head of described first adjusting screw is located at the described of described front shroud
In first through hole, by rotating described first adjusting screw, described first adjusting screw can promote the institute of described curved reflector
State the first adjustable side to move near the direction of described projection lens.
4. lens assembly according to claim 3 it is characterised in that
Described first base includes fixed part, and the side of the reflecting surface in described curved reflector for the described fixed position is described solid
Determine portion to fix with described first base；
Regulation via is provided with described curved reflector；It is provided with screwed hole, described first adjusting screw on described fixed part
Through described first through hole and the described regulation via of described front shroud, screw in described screwed hole.
5. lens assembly according to claim 3 it is characterised in that
Described first elastic component is the first spring, and described first spring is set in described first adjusting screw.
6. lens assembly according to claim 1 is it is characterised in that the two ends at the top of described curved reflector set respectively
It is equipped with described first regulating part.
7. lens assembly according to claim 1 is it is characterised in that on described second adjustable side of described curved reflector
It is fixedly installed spherical surface hill,
Described position limiting structure is described second adjustable side being arranged on described curved reflector closer or far from described projection lens
Direction on two baffle plates, described spherical surface hill be located at described two baffle plates between, and with described two baffle plates exist point connect
Touch.
8. lens assembly according to claim 1, it is characterised in that also including the second regulating part, described front shroud sets
It is equipped with the second through hole, described second regulating part passes through described second through hole, described second regulating part can drive described camber reflection
Described second adjustable side of mirror is moved to the direction closer or far from described projection lens.
9. lens assembly according to claim 8 is it is characterised in that described second regulating part includes the second impeller and
Two elastic components；
Described second impeller passes through described second through hole of described front shroud, and described second impeller can promote described curved surface anti-
Described second adjustable side penetrating mirror is moved to the direction closer or far from described projection lens；
One end of described second elastic component is contacted with described second impeller, and the other end is contacted with described first base.
10. lens assembly according to claim 9 it is characterised in that described second impeller include the second adjusting screw,
Regulating block and embedded nut post；
Described embedded nut column sleeve is located in described second adjusting screw, and fixes with described front shroud；
Described regulating block is arranged between described second adjusting screw and described curved reflector, one end of described regulating block and institute
State the second adjusting screw contact, the other end adjusts end in contact with described the second of described curved reflector；
When rotating described second adjusting screw, described second adjusting screw is passed through to promote described regulating block to promote described curved surface anti-
Described second adjustable side penetrating mirror is moved to the direction closer or far from described projection lens.
11. lens assemblies according to claim 10 are it is characterised in that the edge of described regulating block is boss-shaped, described
Two grooves are provided with first base, described regulating block can slide in two described grooves.
12. lens assemblies according to claim 10 it is characterised in that in described regulating block with described curved reflector
The surface of described second regulation end in contact is with respect to the inclined bottom surface of described regulating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603380.2A CN105159015B (en) | 2015-09-21 | 2015-09-21 | A kind of lens assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603380.2A CN105159015B (en) | 2015-09-21 | 2015-09-21 | A kind of lens assembly |
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| CN105159015A CN105159015A (en) | 2015-12-16 |
| CN105159015B true CN105159015B (en) | 2017-03-08 |
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| CN201510603380.2A Expired - Fee Related CN105159015B (en) | 2015-09-21 | 2015-09-21 | A kind of lens assembly |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652451A (en) * | 2016-04-15 | 2016-06-08 | 深圳市智能体科技有限公司 | Intelligent glasses |
| CN105911802B (en) * | 2016-06-23 | 2017-07-25 | 海信集团有限公司 | Lens assembly and projecting apparatus |
| CN106990662B (en) * | 2017-05-15 | 2019-03-05 | 海信集团有限公司 | A kind of regulating mechanism of projector's mean camber reflecting mirror and projector |
| CN108933908B (en) * | 2017-05-24 | 2021-06-01 | 海信集团有限公司 | Lighting device and method for assembling reflector |
| CN107167993B (en) * | 2017-06-16 | 2020-06-09 | 海信视像科技股份有限公司 | Projector and laser television |
| CN107688276A (en) * | 2017-09-25 | 2018-02-13 | 广州艾恩电子有限公司 | A kind of parallel projection device |
| CN109061993A (en) * | 2018-10-16 | 2018-12-21 | 舜宇光学(中山)有限公司 | Reflecting mirror is adjustable projection arrangement |
| JP2022036752A (en) * | 2020-08-24 | 2022-03-08 | リコーインダストリアルソリューションズ株式会社 | Lens unit and image projection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779558A (en) * | 2004-11-25 | 2006-05-31 | 精碟科技股份有限公司 | Projecting lens set and its reflector |
| GB0426502D0 (en) * | 2004-12-03 | 2005-01-05 | Domestic Fire Appliances Ltd | Imaging apparatus |
| CN201066429Y (en) * | 2007-07-23 | 2008-05-28 | 扬明光学股份有限公司 | Reflective module |
| US20090028197A1 (en) * | 2007-07-25 | 2009-01-29 | Daylight Solutions Inc | Fixed wavelength mid infrared laser source with an external cavity |
| CN104656361B (en) * | 2015-02-11 | 2016-06-08 | 苏州佳世达光电有限公司 | A kind of projection arrangement and projection inflation method |
| CN204496090U (en) * | 2015-02-12 | 2015-07-22 | 方维行 | A kind of mirror body of ultrashort focus projector |
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2015
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