CN105911802B - Lens assembly and projecting apparatus - Google Patents
Lens assembly and projecting apparatus Download PDFInfo
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- CN105911802B CN105911802B CN201610464162.XA CN201610464162A CN105911802B CN 105911802 B CN105911802 B CN 105911802B CN 201610464162 A CN201610464162 A CN 201610464162A CN 105911802 B CN105911802 B CN 105911802B
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- curved reflector
- curved
- lens assembly
- projection lens
- regulating part
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/145—Housing details, e.g. position adjustments thereof
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a kind of lens assembly and projecting apparatus, the accuracy to improve regulation improves the drop shadow effect of projecting apparatus.Lens assembly includes mounting seat, the curved reflector and projection lens being installed in mounting seat, wherein curved reflector is located on the light direction of projection lens, light can be incident upon the reflecting surface of curved reflector by projection lens, and mounting seat is provided with curved support beam, and lens assembly also includes：Connector, connector is used for the first end of curved reflector and curved support beam clamping, and connector is provided with least one waist-shaped hole, the light direction extension of the length direction of each waist-shaped hole along projection lens, connector is fixedly connected by screw through a waist-shaped hole with curved support beam；First regulating part, the second end of the first regulating part through curved reflector is fixedly connected with mounting seat, and the rotation of the first regulating part can drive the second end of curved reflector to be moved to the direction closer or far from projection lens.
Description
Technical field
The present invention relates to projection art, more particularly to a kind of lens assembly and projecting apparatus.
Background technology
With the continuous progress of science and technology, projection display technique is developed rapidly in recent years.Wherein, short focus is thrown
Shadow is small due to required projector distance, the advantages of projected picture is big and as recent research emphasis.
At present, realize that a kind of mode of short focus projection projects for reflective short focus.Image is projected by projection lens
On curved reflector, via on curved reflector to projection screen.
As shown in figure 1, Fig. 1 is the structural representation of lens assembly of the prior art, speculum 03 of the prior art
Upper end be fixedly attached to by straight crossbeam on main casing 02, the upper end of speculum 03 is fixed by screws on crossbeam 01,
Lower end is fixed on main casing 02 by adjusting screw.But, after speculum is fixed, it is likely to result in curved reflector
The change of reflection angle, so occur projected image picture skew, On Local Fuzzy, or image focal position not to the problems such as, shadow
Projection Display quality is rung, is at this moment accomplished by that the installation site of curved reflector is adjusted, when carrying out tightening screw, crossbeam
Easily deform upon under external force, crossbeam, which deforms, also changes the installation site for causing speculum, influence is thrown
The drop shadow effect of shadow instrument, if not adjusting, will also influence the drop shadow effect of projecting apparatus.
The content of the invention
The invention provides a kind of lens assembly and projecting apparatus, curved reflector is adjusted to reduce other parts during regulation
The influence of accuracy is saved, the accuracy of regulation can be improved, the drop shadow effect of projecting apparatus is improved.
To reach above-mentioned purpose, the present invention provides following technical scheme：
The invention provides a kind of lens assembly, including mounting seat, the curved reflector that is installed in the mounting seat and
Projection lens, wherein：The curved reflector is located on the light direction of the projection lens, and the projection lens can be by light
The reflecting surface of the curved reflector is incident upon, the mounting seat is provided with curved support beam, and the lens assembly also includes：
Connector, the connector is used for the first end of the curved reflector and the curved support beam clamping, and
The connector is provided with least one waist-shaped hole, and the light direction of the length direction of each waist-shaped hole along the projection lens prolongs
Stretch, the connector is fixedly connected by screw through waist-shaped hole described in one with the curved support beam；
First regulating part, first regulating part is fixed through the second end of the curved reflector with the mounting seat to be connected
Connect, and first regulating part rotation can drive second end of the curved reflector to closer or far from the projection lens
The direction movement of head, wherein the first end of the curved reflector and the second end are oppositely arranged.
The lens assembly that the present invention is provided, can be anti-in order to adjust curved surface by the setting of connector and the first regulating part
The installation site of mirror is penetrated, when needing the first end for adjusting speculum to be moved to the direction closer or far from projection lens, due to
Connector is that the first end clamping and connector of curved support beam and curved reflector is provided with into waist-shaped hole, and connector leads to
Screw is crossed to be fixedly connected with the curved support beam through waist-shaped hole described in one, therefore during regulation, can be with rotary screw so that connection
Part can be slidably matched by the waist-shaped hole which is provided with screw, to be moved to the direction closer or far from the projection lens,
Connector can be fixed by rotary screw after the completion of regulation, therefore when adjusting every time, mobile link part a, it is not necessary to direct rotary
Dynamic screw regulation, compared with prior art, it is possible to reduce screw reduces screwdriver to curved support beam action power during regulation
When cause extruding force to curved support beam, and then the generation of curved support beam metaboly is reduced, when needing to adjust speculum
Second end is to during direction movement closer or far from projection lens, it is only necessary to the first regulating part is rotated, when unscrewing the first tune
Save after part, the second end of curved reflector can be hinged by the first regulating part and mounting seat, so as to the second of curved reflector
Hold to the direction movement closer or far from the projection lens, after regulation terminates, screw the first regulating part.
Therefore, the lens assembly that the present invention is provided, it is possible to reduce other parts adjust accuracy to curved reflector during regulation
Influence, can improve the accuracy of regulation, improve the drop shadow effect of projecting apparatus.
In some optional embodiments, the lens assembly also includes：Second regulating part, second regulating part is worn
One end of the mounting seat is crossed to be connected with the second end of the curved reflector, and second regulating part rotation can drive it is described
Moved to the direction close to the projection lens at second end of curved reflector.Influenceed by ultrashort burnt optical design, be in theory
There is the top of screen to be imaged above recessed problem, screen below light correspondence curved reflector, the shape of projection light is recessed above screen,
Subordinate is convex under correspondence curved reflector, so using the second regulating part, can be by speculum by the upward jack-up in curved reflector bottom
Bottom curved surface top is put down, and final realize projects screen top imaging trend level, improves top and is imaged recessed problem.
In some optional embodiments, the first end of the curved reflector is provided with card ear, and the connector includes：
The installation portion being fixedly connected with the curved support beam, the installation portion is provided with the waist-shaped hole；
The holding section engaged with the card ear that the curved reflector is provided with, the installation portion and the holding section are fixed
Connection, the connector for forming L-type.
In some optional embodiments, it is additionally provided with the installation portion on waist type positioning hole, the curved support beam
Provided with the waist type positioning convex engaged with the waist type positioning hole, and light extraction of the waist type positioning convex along the projection lens
The length of direction extension is less than the length of light direction of the waist type positioning hole along the projection lens.Connector can be improved
Mobile convenience, stability and continuity.
In some optional embodiments, the holding section is provided with to the raised spherical surface hill of the projection lens, institute
The hard of hearing one side from the projection lens of card that spherical surface hill is provided with the curved reflector is stated to offset.Pass through spherical surface hill
Setting, it is possible to achieve connector and curved reflector ball contact, when ball contact can reduce curved reflector and be conditioned
The frictional resistance being subject to.
In some optional embodiments, the card ear is provided with to the raised positioning convex of the projection lens, institute
State curved support beam and be provided with the locating slot engaged with the positioning convex, and the first spring is arranged with the positioning convex.
The stability and continuity of curved reflector movement can be improved, the setting of spring can play cushioning effect.
In some optional embodiments, the second end of the curved reflector is provided with least one mounting ear, each
Mounting ear is provided with mounting hole；
First regulating part includes：With one-to-one first adjusting screw of number of mounting ear, the camber reflection
Second end of mirror is fixedly connected by each first adjusting screw through the corresponding mounting hole with the mounting seat.It is logical
Screwing or unscrewing for the first adjusting screw is crossed, the regulation to curved reflector can be reached.
In some optional embodiments, first regulating part also includes：With the number of the first adjusting screw one by one
Corresponding second spring, the mounting seat is each described provided with the one-to-one mounting post of number with the second spring
Second spring is sheathed in the corresponding mounting post, and the length of each second spring is longer than the corresponding mounting post
Length.Screwing or unscrewing by the first adjusting screw, can reach the regulation to curved reflector.
In some optional embodiments, the second end of the curved reflector is provided with to away from the curved reflector
First end direction extension guide protrusions, the mounting seat is provided with the guiding groove that engages with the guide protrusions, institute
Guiding groove is stated to the projection lens to extend.Stability during curved reflector regulation can be improved.
In some optional embodiments, second regulating part includes：Second adjusting screw, the guiding groove
Bottom is provided with screwed hole, and the guide protrusions are provided with through hole, and second adjusting screw is led through the screwed hole with described
To projection connection.
In some optional embodiments, the radian of the curved support beam and the first end of the curved reflector
Radian is identical.
Present invention also offers a kind of projecting apparatus, including the lens assembly described in any of the above-described.Due to above-mentioned lens group
Part, can improve the convenience of regulation, improve the drop shadow effect of projecting apparatus, therefore the projecting apparatus that the present invention is provided has preferable throwing
Shadow effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of lens assembly of the prior art；
Fig. 2 is the structural representation of lens assembly provided in an embodiment of the present invention；
Fig. 3 is the first partial structural diagram of lens assembly provided in an embodiment of the present invention；
Fig. 4 is the first part-structure explosive view of lens assembly provided in an embodiment of the present invention；
Fig. 5 is the structural representation of curved reflector provided in an embodiment of the present invention；
Fig. 6 is the structural representation of connector provided in an embodiment of the present invention；
Fig. 7 is second of partial structural diagram of lens assembly provided in an embodiment of the present invention；
Fig. 8 is second of part-structure explosive view of lens assembly provided in an embodiment of the present invention；
Fig. 9 is the third partial structural diagram of lens assembly provided in an embodiment of the present invention；
Figure 10 is structural representation when lens assembly provided in an embodiment of the present invention does not install curved reflector；
Figure 11 is the structural representation of projecting apparatus provided in an embodiment of the present invention.
In figure：
01- crossbeam 02- main casings
03- speculums
1- mounting seat 11- curved support beams
111- waist type positioning convex 112- positioning convex
113- mounting posts 114- is oriented to groove
2- curved reflector 21- card ears
211- positioning convex 22- mounting ears
221- mounting hole 23- guide protrusions
3- projection lens 4- connectors
41- installation portion 411- waist-shaped holes
412- waist type positioning hole 42- holding sections
421- spherical surface hill 43- ribs
5- the first regulating part the first adjusting screws of 51-
6- the second regulating part 7- screws
81- the first spring 82- second springs
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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one
As shown in Fig. 2 Fig. 2 is the structural representation of lens assembly provided in an embodiment of the present invention；The mirror that the present invention is provided
Head assembly, including mounting seat 1, the curved reflector 2 and projection lens 3 that are installed in mounting seat 1, wherein：Curved reflector 2
In on the light direction of projection lens 3, light can be incident upon in the reflecting surface of curved reflector 2, mounting seat 1 by projection lens 3
Provided with curved support beam 11, lens assembly also includes：
Connector 4, connector 4 is used for the first end of curved reflector 2 and the clamping of curved support beam 11, and on connector
Provided with least one waist-shaped hole, the light direction extension of the length direction of each waist-shaped hole along projection lens 3, connector 4 passes through
Screw is fixedly connected through a waist-shaped hole with curved support beam 11；
First regulating part 5, the second end of the first regulating part 5 through curved reflector 2 is fixedly connected with the mounting seat 1,
And first regulating part 5 rotate and can drive the second end of curved reflector 2 to the direction movement closer or far from projection lens 3, its
The first end of mean camber speculum 2 and the second end are oppositely arranged.
The lens assembly that the present invention is provided, can be in order to adjusting curved surface by the setting of the regulating part 5 of connector 4 and first
The installation site of speculum 2, when needing the first end for adjusting speculum to be moved to the direction closer or far from projection lens, by
It is that, with the first end clamping of curved reflector 2 and provided with waist-shaped hole, connector leads to by curved support beam 11 in connector 4
Screw is crossed to be fixedly connected with the curved support beam through waist-shaped hole described in one, therefore during regulation, can be with rotary screw so that connection
Part can be slidably matched by the waist-shaped hole which is provided with screw, to be moved to the direction closer or far from the projection lens,
Connector can be fixed by rotary screw after the completion of regulation, compared with prior art, it is possible to reduce screw is to arc during regulation
The active force of support beam, causes extruding force, and then reduces curved support beam 11 to deform to curved support beam when reducing screwdriver
The generation of phenomenon, when needing the second end for adjusting speculum to be moved to the direction closer or far from projection lens, it is only necessary to revolve
Turn the first regulating part, after the first regulating part is unscrewed, the second end of curved reflector can pass through the first regulating part and peace
Dress seat is hinged, and is moved so as to the second end of curved reflector to the direction closer or far from the projection lens, when regulation terminates
Afterwards, the first regulating part is screwed.
Therefore, the lens assembly that the present invention is provided, it is possible to reduce other parts adjust accuracy to curved reflector during regulation
Influence, can improve the accuracy of regulation, improve the drop shadow effect of projecting apparatus.
In preferred embodiment, in order to further reduce the deflection produced when upper lid is installed to curved support beam, subtract
The tension force that few curved support beam is produced to curved reflector, mounting seat 1 is provided with the radian phase with the first end of curved reflector 2
Same curved support beam 11.
For the ease of the fine adjustment of the installation site of curved reflector 2, it is preferred that connector 4 is the connector of elastomeric material
4.Elastomeric material can preferred elasticity preferably SUS301 materials, the thickness of connector 4 can set according to actual needs, for example
The thickness of connector 4 can be set to 0.6 millimeter, certainly, the thickness of connector 4 is not limited to cited thickness.
Embodiment two
As shown in figure 3, Fig. 3 is the first partial structural diagram of lens assembly provided in an embodiment of the present invention；This Shen
The lens assembly that please be provided also includes：Second regulating part 6, second regulating part 6 is through one end of mounting seat 1 and curved reflector
Second end is connected, and the rotation of the second regulating part 6 can drive the second end of curved reflector 2 to be moved to the direction close to projection lens 3
It is dynamic.The rotation axis of the second regulating part 6 is vertical with the rotation axis of the first regulating part in structure, by ultrashort burnt optical design shadow
Ring, exist in theory above the problem of the top of screen imaging is recessed, screen below light correspondence curved reflector, above screen
The shape of projection light is recessed, and subordinate is convex under correspondence curved reflector, so using the second regulating part 6, the bottom of curved reflector 2 is upward
Jack-up, can put down speculum bottom curved surface top, and final realize projects screen top imaging trend level, improves under the imaging of top
Recessed problem.
Embodiment three
Above-mentioned connector 4 have shape can have a variety of, the present embodiment three provide a kind of optional embodiment in,
As shown in Fig. 4, Fig. 5, Fig. 6, wherein：Fig. 4 is the first part-structure explosive view of lens assembly provided in an embodiment of the present invention；
Fig. 5 is the structural representation of curved reflector provided in an embodiment of the present invention；Fig. 6 is connector provided in an embodiment of the present invention
Structural representation；The first end of curved reflector is provided with card ear 21, and connector 4 includes：
The installation portion 41 being fixedly connected with curved support beam 11, installation portion is provided with waist-shaped hole 411；
The holding section 42 engaged with the card ear 21 that curved reflector 2 is provided with, installation portion 41 is fixedly connected with holding section 42, shape
The connector 4 of l-shaped.When needing the position of adjusting connector 4, length side of the connector 4 along waist-shaped hole 411 can be promoted
To movement, and then realize connector 4 to the movement in the direction closer or far from projection lens 3.When the installation position of curved reflector 2
Put after regulation in place, screw 7 can be locked, and dispensing processing is carried out to screw 7, improve the stabilization of the fixedly connected part 4 of screw 7
Property and then curved reflector 2 can be improved by fixed stability.
In order to improve the intensity of connector 4, the bending part of the connector 4 of above-mentioned L-type is provided with ribs 43.Ribs 43
Setting can improve the intensity of connector 4, prevent connector 4 from deforming, and then influence the installation accuracy of curved reflector 2.
Further, waist type positioning hole 412 is additionally provided with installation portion 41, curved support beam 11 is provided with and waist type positioning hole
412 engaging waist type positioning convex 111, and waist type positioning convex 111 along projection lens 3 light direction extension length be less than
Length of the waist type positioning hole 412 along the light direction of projection lens 3.Such setting structure can improve the movement of connector 4
Stability and continuity.
In a kind of preferably embodiment, holding section 42 is provided with to the raised spherical surface hill 421 of projection lens 3, and sphere is convex
The one side that the 421 card ears 21 being provided with curved reflector 2 are played away from projection lens 3 offsets.Pass through setting for spherical surface hill 421
Put, it is possible to achieve connector 4 and the ball contact of curved reflector 2, ball contact can reduce when curved reflector 2 is conditioned by
The frictional resistance arrived.
As shown in fig. 7, Fig. 7 is second of partial structural diagram of lens assembly provided in an embodiment of the present invention；Card ear
21 are provided with to the raised positioning convex 211 of projection lens 3, and curved support beam 11 is provided with and determining that positioning convex 211 engages
The first spring 81 is arranged with position groove 112, and positioning convex 211.Such structure setting, can improve curved reflector 2 and move
Dynamic stability and continuity, the setting of spring can play cushioning effect.
In order to improve regulation and the fixation of connector 4, it is preferred that as shown in figure 1, to be fastened on curved surface anti-for connector 4
The center section of the first end of mirror 2 is penetrated, as shown in figure 5, the number for the waist-shaped hole 411 that connector 4 is provided with is two, waist type is determined
Centre position of the number in position hole 412 for one and between two waist-shaped holes 411.
Example IV
In the embodiment that the present invention is provided, in order to realize the regulation of the installation site to the second end of curved reflector 2, on
Stating the concrete structure of the first regulating part 5 in embodiment one, embodiment two, embodiment three can have a variety of, one kind specific implementation
In mode, such as Fig. 8 and Fig. 9, wherein：Fig. 8 is second of part-structure explosive view of lens assembly provided in an embodiment of the present invention；
Fig. 9 is the third partial structural diagram of lens assembly provided in an embodiment of the present invention；Second end of curved reflector 2 is provided with
At least one mounting ear 22, each mounting ear 22 is provided with mounting hole 221；
First regulating part 5 includes：With one-to-one first adjusting screw 51 of number of mounting ear 22, curved reflector 2
The second end be fixedly connected by each first adjusting screw 51 through corresponding mounting hole 221 with mounting seat 1.Adjusted by first
Screwing or unscrewing for section screw 51, can reach the regulation to curved reflector 2.
Further, the first regulating part 5 also includes：With the one-to-one second spring of number of the first adjusting screw 51
82, mounting seat 1 is provided with the one-to-one mounting post 113 of number with second spring 82, and each second spring 82 is sheathed on pair
In the mounting post 113 answered, and each the length of second spring 82 is longer than the length of corresponding mounting post 113.Pass through the first regulation
Screwing or unscrewing for screw 51, can reach the regulation to curved reflector 2.When the installation position at the second end of curved reflector 2
When putting regulation in place, dispensing can be carried out to the first adjusting screw 51 and fixed, improve the fixing-stable of the first adjusting screw 51.
Further, as shown in Figure 10, Figure 10 is that lens assembly provided in an embodiment of the present invention does not install camber reflection
Structural representation during mirror, the second end of curved reflector 2 is provided with the direction extension to the first end away from curved reflector 2
Guide protrusions 23, mounting seat 1 is provided with the guiding groove 114 engaged with guide protrusions 23, is oriented to groove 114 to projection lens 3
Extension.Stability when curved reflector 2 is adjusted can be improved.
It is preferred that, the number for the mounting ear 22 that curved reflector 2 is provided with is two, and guide protrusions 23 are located at two mounting ears
Between 22, two 22 pairs of mounting ears should have two the first adjusting screws 51, by two the first adjusting screws 51 to camber reflection
The regulation at the end of mirror 2 second, it is possible to achieve the central shaft rotation of the overall relative surface speculum of curved reflector, plays fine setting bent
The rugged effect of the left and right sides of face speculum axle at its center.
Setting based on said structure, the second regulating part 6 includes：Second adjusting screw, the bottom for being oriented to groove 114 is provided with
Screwed hole, guide protrusions 23 are provided with through hole, and the second adjusting screw is connected through screwed hole with guide protrusions 23；Also or, lead
Through hole is provided with to the bottom of groove 114, guide protrusions 23 are provided with screwed hole, and the second adjusting screw passes through through hole and guide protrusions
23 threaded connections；Also or, be oriented to groove 114 bottom be provided with screwed hole, guide protrusions 23 towards be oriented to groove 114 one side
For plane, the second screw offsets through one end of screwed hole with guide protrusions 23 towards the one side for being oriented to groove 114.By screwing
Second adjusting screw, can give the upward power in one, the second end of curved reflector so that the arc at the second end of curved reflector
Degree tends to level.
Embodiment five
As shown in figure 11, Figure 11 is the structural representation of projecting apparatus provided in an embodiment of the present invention.The embodiment of the present invention is also
There is provided a kind of projecting apparatus, including：Housing 9, in addition to the lens assembly 10 described in any of the above-described embodiment, lens assembly 10
It is fixed in the housing 9, due to above-mentioned lens assembly, the installation accuracy of curved reflector 2 can be improved, projecting apparatus is improved
Drop shadow effect, therefore the projecting apparatus that the present invention is provided has preferable drop shadow effect.
The heat emission hole for internal heat dissipating is additionally provided with the housing of above-mentioned projecting apparatus.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (12)
1. a kind of lens assembly, including mounting seat, the curved reflector and projection lens that are installed in the mounting seat, wherein：
The curved reflector is located on the light direction of the projection lens, and light can be incident upon the curved surface by the projection lens
The reflecting surface of speculum, it is characterised in that the mounting seat is provided with curved support beam, the lens assembly also includes：
Connector, the connector is used for the first end of the curved reflector and the curved support beam clamping, and described
Connector is provided with least one waist-shaped hole, and each light direction of the length direction of the waist-shaped hole along the projection lens prolongs
Stretch, the connector is fixedly connected by screw through waist-shaped hole described in one with the curved support beam；
First regulating part, the second end of first regulating part through the curved reflector is fixedly connected with the mounting seat,
And first regulating part rotation can drive the second end of the curved reflector to the side closer or far from the projection lens
To movement, wherein the first end of the curved reflector and the second end are arranged oppositely.
2. lens assembly according to claim 1, it is characterised in that also include：Second regulating part, second regulating part
It is connected through one end of the mounting seat with the second end of the curved reflector, and second regulating part rotation can drive institute
Moved to the direction close to the projection lens at the second end for stating curved reflector.
3. lens assembly according to claim 2, it is characterised in that the first end of the curved reflector is provided with card ear,
The connector includes：
The installation portion being fixedly connected with the curved support beam, the installation portion is provided with the waist-shaped hole；
The holding section engaged with the card ear that the curved reflector is provided with, the installation portion and the holding section, which are fixed, to be connected
Connect, formed the connector of L-type.
4. lens assembly according to claim 3, it is characterised in that waist type positioning hole, institute are additionally provided with the installation portion
State curved support beam and be provided with the waist type positioning convex engaged with the waist type positioning hole, and the waist type positioning convex is described in
The length of the light direction extension of projection lens is less than the length of light direction of the waist type positioning hole along the projection lens.
5. the lens assembly according to right wants 4, it is characterised in that the holding section is provided with raised to the projection lens
Spherical surface hill, the hard of hearing one side from the projection lens of card that the spherical surface hill is provided with the curved reflector offsets.
6. lens assembly according to claim 5, it is characterised in that the card ear is provided with raised to the projection lens
Positioning convex, the curved support beam is provided with the locating slot that engage with the positioning convex, and set on the positioning convex
Provided with the first spring.
7. the lens assembly according to any one of claim 1~6, it is characterised in that the second end of the curved reflector
Provided with least one mounting ear, each mounting ear is provided with mounting hole；
First regulating part includes：With one-to-one first adjusting screw of number of mounting ear, the curved reflector
Second end is fixedly connected by each first adjusting screw through the corresponding mounting hole with the mounting seat.
8. lens assembly according to claim 7, it is characterised in that first regulating part also includes：With the first regulation
The one-to-one second spring of number of screw, the mounting seat is pacified correspondingly provided with the number with the second spring
Post is filled, each second spring is sheathed in the corresponding mounting post, and the length of each second spring is longer than pair
The length for the mounting post answered.
9. lens assembly according to claim 8, it is characterised in that the second end of the curved reflector is provided with to remote
The guide protrusions of the direction extension of the first end of the curved reflector, the mounting seat is provided with to be engaged with the guide protrusions
Guiding groove, the guiding groove extends to the projection lens.
10. lens assembly according to claim 9, it is characterised in that second regulating part includes：Second regulation spiral shell
Nail, the bottom for being oriented to groove is provided with screwed hole, and the guide protrusions are provided with through hole, and second adjusting screw passes through institute
Screwed hole is stated to be connected with the guide protrusions.
11. lens assembly according to claim 1, it is characterised in that the radian of the curved support beam and the curved surface
The radian of the first end of speculum is identical.
12. a kind of projecting apparatus, it is characterised in that including the lens assembly as described in any one of claim 1~11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464162.XA CN105911802B (en) | 2016-06-23 | 2016-06-23 | Lens assembly and projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464162.XA CN105911802B (en) | 2016-06-23 | 2016-06-23 | Lens assembly and projecting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105911802A CN105911802A (en) | 2016-08-31 |
| CN105911802B true CN105911802B (en) | 2017-07-25 |
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| CN201610464162.XA Active CN105911802B (en) | 2016-06-23 | 2016-06-23 | Lens assembly and projecting apparatus |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929622B (en) * | 2016-06-23 | 2017-10-20 | 海信集团有限公司 | Lens assembly and projecting apparatus |
| CN107870500A (en) * | 2016-09-23 | 2018-04-03 | 海信集团有限公司 | Lens adjustment device and projector equipment |
| CN108933908B (en) * | 2017-05-24 | 2021-06-01 | 海信集团有限公司 | Lighting device and method for assembling reflector |
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| CN112379571B (en) * | 2019-07-29 | 2022-06-10 | 青岛海信激光显示股份有限公司 | Projection lens and laser projection device |
| CN211718592U (en) * | 2019-12-30 | 2020-10-20 | 深圳光峰科技股份有限公司 | Square rod fixing assembly and optical equipment |
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| CN1779558A (en) * | 2004-11-25 | 2006-05-31 | 精碟科技股份有限公司 | Projecting lens set and its reflector |
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| CN201066429Y (en) * | 2007-07-23 | 2008-05-28 | 扬明光学股份有限公司 | Reflective module |
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| 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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Effective date of registration: 20200814 Address after: 266000, No. 218, Bay Road, Qingdao economic and Technological Development Zone, Shandong Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE Co.,Ltd. |
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