CN104267564A - Lens module and projection device - Google Patents
Lens module and projection device Download PDFInfo
- Publication number
- CN104267564A CN104267564A CN201410487535.6A CN201410487535A CN104267564A CN 104267564 A CN104267564 A CN 104267564A CN 201410487535 A CN201410487535 A CN 201410487535A CN 104267564 A CN104267564 A CN 104267564A
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- China
- Prior art keywords
- connecting portion
- camera lens
- boss
- lens module
- lens barrel
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Classifications
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
- Lens Barrels (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The invention discloses a lens module and a projection device. The lens module comprises a lens cone, a supporting part and a buffering part, wherein the supporting part is arranged on the lens cone in a sleeving mode and supports the lens cone, the buffering part is arranged between the lens cone and the supporting part, and the buffering part is provided with a main portion and multiple buffering portions. Each buffering portion is provided with a boss and a connecting portion, wherein the boss abuts against the lens cone, the connecting portion is connected with the main portion and the boss, and the connecting portion can deform. Hollow areas are form in the buffering part and correspond to the bosses, a gap is formed between the buffering part and the lens cone, and the gap and the hollow areas are used for providing a space for deformation of the buffering portions so that external impact can be buffered effectively, the situation that poor images are generated due to deviation of the light path of a lens can be avoided, and imaging quality can be guaranteed. Meanwhile, the buffering part abuts against the lens cone and deforms to counteract assembly tolerance, and the situation that the precision of the light path is affected due to deviation of the light path when local stress is too large is avoided.
Description
Technical field
The present invention relates to a kind of projection arrangement, particularly relate to a kind of camera lens module with alleviation external impact structure.
Background technology
Along with the develop rapidly of electronic technology, the requirement of people to high definition projection equipment is also day by day vigorous.No matter traditional long-focus, the projection arrangement of narrow viewing angle are all difficult to meet the demands from size or the image quality that projects.Short out-of-focus projection device has in short distance (generally about 1-1.5 rice) can project the advantage of the picture of 80-120 cun left and right and increasingly important.Such as little at projector space, but need to show larger picture, especially small conference room, this short out-of-focus projection device is just most suitable.
But the camera lens stretched out due to short out-of-focus projection device is heavier, when external shock, easily cause camera lens light path to offset, cause picture bad, and the skew of camera lens light path is difficult to repair, so need support member to carry out support lens.Traditional support member all adopts full slice system rubber to contact lens barrel to play buffer action usually, due to assembling tolerance reason, and the problem that also can light path be caused to offset because anchorage force is excessive.
Therefore, a kind of new camera lens module of design and projection arrangement is necessary, to overcome above-mentioned defect.
Summary of the invention
The object of the present invention is to provide a kind of camera lens module and projection arrangement, overcoming assembling tolerance, an excessive support or oppressive force can not being produced, when being subject to external impact to camera lens when static state, buffer action can be played to camera lens, avoid camera lens light path offset and cause picture bad.
For achieving the above object, the invention provides a kind of camera lens module, comprising lens barrel and support member, this support member to be sheathed on this lens barrel and to support this lens barrel, and
Bolster, has main part and multiple buffer part, and this bolster is arranged between this lens barrel and this support member;
This main part has the 3rd surface and the 4th surface, and the 3rd surface is just to this lens barrel, and the 4th surface is used for and this support member matches, and has gap between the 3rd surface of this main part and this lens barrel;
This buffer part has boss and connecting portion, and this boss has first surface, and this first surface supports this lens barrel, this connecting portion connects this main part and this boss, this connecting portion can produce deformation, and to being provided with transmission district by boss on this bolster, this transmission district is positioned between this boss and this support member;
Wherein, this gap and this transmission district space in order to provide this buffer part to produce deformation.
Preferably, when being subject to external impact force, this boss moves in this transmission district, and this connecting portion produces deformation, to cushion this external impact force.
Preferably, this boss also has second surface, and when this second surface contacts this support member, this boss extrusion, until the 3rd this lens barrel of surface contact of this main part.
Preferably, this connecting portion comprises the first connecting portion and the second connecting portion, and the both sides of this boss respectively nationality are connected with this main part with this second connecting portion by this first connecting portion.
Preferably, the plurality of buffer part symmetrically or be evenly distributed on this bolster.
Preferably, this support member has upper supporting piece and lower support element, and this lens barrel has the first outer rim, and this upper supporting piece coordinates fixing with this lower support element, to be set in this first outer rim.
Preferably, this bolster comprises the first semicircular ring and the second semicircular ring;
This upper supporting piece has the first inside surface, and this lower support element has the second inside surface;
This first semicircular ring is fixedly arranged on this first inside surface, and this second semicircular ring is fixedly arranged on this second inside surface, and this upper supporting piece and this lower support element are by engaging or being spirally connected to coordinate fixing.
Preferably, this bolster is made up of resilient material.
Preferably, this main part also has first, and this first connecting portion is connected with this main part by this first respectively with this second connecting portion;
This boss has second surface;
Wherein, this second surface, this first connecting portion, this second connecting portion and two this first of being connected with this second connecting portion with this first connecting portion respectively enclose to form this transmission district.
For reaching above-mentioned purpose, the present invention also provides a kind of projection arrangement to comprise main part and above-mentioned camera lens module, and wherein this support member is arranged on this main part to support the lens barrel of this camera lens module.
Compared with prior art, the present invention supports lens barrel by bolster and produces deformation to offset assembling tolerance, avoid that local pressure is excessive to be caused light path to offset and affect the precision of light path, effective absorbing external impulsive force when being subject to external impact simultaneously, be unlikely to make this camera lens light path produce skew and cause picture bad, ensure that image quality.
Accompanying drawing explanation
The structural representation of the camera lens module that Fig. 1 proposes for the embodiment of the present invention.
Fig. 2 is for the camera lens module shown in Fig. 1 is in the structural representation of other direction.
The A-A diagrammatic cross-section along Fig. 2 of the camera lens module that Fig. 3 proposes for the embodiment of the present invention.
Fig. 4 is the structural representation of the support member shown in Fig. 1.
Fig. 5 is the structural representation of the bolster of the camera lens module shown in Fig. 1.
There is the schematic diagram of interference values in the boss of the camera lens module that Fig. 6 proposes for the embodiment of the present invention and lens barrel.
The camera lens module partial enlarged drawing before impingement that Fig. 7-1 proposes for the embodiment of the present invention.
Fig. 7-2 is the partial enlarged drawing of its bolster generation deformation when the camera lens module shown in Fig. 7-1 starts to be subject to impacting.
Fig. 7-3 is subject to impacting the partial enlarged drawing that deformation occurs its bolster further for the camera lens module shown in Fig. 7-2.
Fig. 7-4 is subject to impacting the partial enlarged drawing that deformation occurs its bolster more further for the camera lens module shown in Fig. 7-3.
The structural representation of the projection arrangement that Fig. 8 proposes for the embodiment of the present invention.
Embodiment
For making there is further understanding to object of the present invention, structure, feature and function thereof, embodiment is hereby coordinated to be described in detail as follows.
Shown in Fig. 5, disclose the structural representation of camera lens module embodiment of the present invention, this camera lens module 001 comprises lens barrel 1, support member 2 and bolster 3.Wherein, this support member 2 to be sheathed on this lens barrel 1 and to support this lens barrel 1.This bolster 3 is arranged between this lens barrel 1 and this support member 2, for cushioning this support member 2 when this camera lens module 001 is subject to external impacts to the acting force of this lens barrel 1, camera lens light path is avoided to offset and the problem that causes picture bad, and this bolster 3 also overcomes assembling tolerance, a faint anchorage force is had to this camera lens when static state, simultaneously can not produce an excessive support or oppressive force to camera lens again, avoid light path offset and affect the precision of light path.
Continue referring to as shown in Figures 2 and 3, Fig. 2 for the camera lens module shown in Fig. 1 is in the structural representation of other direction, the A-A diagrammatic cross-section along Fig. 2 of the camera lens module that Fig. 3 proposes for the embodiment of the present invention.As shown in Figures 2 and 3, this lens barrel 1 has the first outer rim 11, and this support member 2 is sheathed in this first outer rim 11.In practical application, this lens barrel 1 can comprise outer lens barrel and inner lens cone, and this outer lens barrel has this first outer rim 11.
Separately referring to Fig. 4, is the structural representation of the support member shown in Fig. 1.As shown in Figure 4, this support member 2 comprises upper supporting piece 21 and lower support element 22, and this upper supporting piece 21 has the first inside surface 210, and this lower support element 22 has the second inside surface 220 and fixed part 222.This support member 2 for be sheathed on this lens barrel 1 this first outer rim 11 on and support this lens barrel 1, this first inside surface 210 and this second inside surface 220 correspond to this first outer rim 11, this upper supporting piece 21 and this lower support element 22 are provided with lower ear plate, on this, lower ear plate has Access Division, in order to coordinate this upper supporting piece 21 affixed and this lower support element 22 to be set in this first outer rim 11 of this lens barrel 1.On this, lower ear plate is also fixedly connected with by screw.The fixed part 222 of this lower support element 22 is for fixed support this support member 2 and this lens barrel 1, and such as, this fixed part 222 can be fixed on the main part of a projection arrangement, is fixed on this projection arrangement to realize this camera lens module 001.Certainly, this upper supporting piece 21 can also be fixedly connected with by bolt, screw or pin with this lower support element 22, but not as limit.This support member 2 has the effect of this lens barrel 1 of fixed support, causes camera lens light path to offset, cause picture bad when preventing this camera lens module 001 to be subject to external impact.
With reference to shown in Fig. 5, it is the structural representation of the bolster of the camera lens module shown in Fig. 1.Shown in composition graphs 1, Fig. 3, Fig. 5 and Fig. 6, this bolster 3 is arranged between this lens barrel 1 and this support member 2, for playing buffer action, camera lens light path is avoided to offset and the problem that causes picture bad, and have a faint anchorage force to this camera lens owing to overcoming assembling tolerance when static state, simultaneously can not produce an excessive support or oppressive force to camera lens again, avoid light path offset and affect the precision of light path.Preferably, this support member 2 and this bolster 3 can not relatively rotate.This bolster 3 has main part 31 and multiple buffer part 30, this main part 31 have the 3rd surface 311 and the 4th surface 311, surface the 312, three just to this lens barrel the 1, four surface 312 for matching with this support member 2.This buffer part 30 has boss 32 and connecting portion 33, this boss 32 has opposing first surface 321 and second surface 322, this first surface 321 is resisted against this first outer rim 11 of this lens barrel 1, and this second surface 322 is just to this first inside surface 210 or this second inside surface 220 of this support member 2.This connecting portion 33 comprises the first connecting portion 331 and the second connecting portion 332, and the both sides of this boss 32 respectively nationality are connected with this main part 31 with this second connecting portion 332 by this first connecting portion 331.Concrete, this main part 31 also has first 330, and this first connecting portion 331 is connected with this main part 31 by this first 330 respectively with this second connecting portion 332.To being provided with transmission district 34 by boss 32 on this bolster 3, specifically, this second surface 322, this first connecting portion 331, this second connecting portion 332 and two this first 330 of being connected with this second connecting portion 332 with this first connecting portion 331 respectively enclose to form this transmission district 34 (Fig. 6).Further, symmetrically or be evenly distributed on this bolster 3, this first surface 321 of this boss 32 of the plurality of buffer part 30 supports this first outer rim 11 of this lens barrel 1 to the plurality of buffer part 30 of this bolster 3 respectively.
It should be noted that, as shown in Figure 6, in order to overcome assembling tolerance, the boss 32 of this bolster 3 and this lens barrel 1 just have an interference values in the quiescent state, make after finishing assembly, just there is elastic deformation in this connecting portion 33, there is provided a faint anchorage force to this lens barrel 1, an excessive anchorage force can not be produced to this lens barrel 1 again, whereby simultaneously, the plurality of buffer part 30 makes this lens barrel 1 uniform stressed, avoids excessive this lens barrel 1 that causes of local pressure offset and affect the precision of its light path.And the setting of this interference values, can be designed according to actual needs by designer, do not add to set forth at this.Preferably, this bolster 3 is made up of resilient material, such as, can be rubber.And this connecting portion 33 can adopt wave mode structure abundant to meet deformation, plays better buffering and damping effect, improves the effect in this bolster 3 serviceable life, but not as limit.
In addition, can further combined with Fig. 1 and Fig. 5, can the mated condition of clearly this bolster 3, this lens barrel 1, support member 2.As Fig. 1,4th surface 312 of this main part 31 is fitted in this first inside surface 210 and second inside surface 220 of this support member 2, between 3rd surface 311 of this main part 31 and this first outer rim 11 of this lens barrel 1, there is gap 310, to being provided with this transmission district 34 by boss 32 on this bolster 3, this transmission district 34 is between this boss 32 and this support member 2.This gap 310 and this transmission district 34 space in order to provide this buffer part 30 to produce deformation, to play buffer action to impact, effectively avoids and impacts the camera lens light path that causes and offset the problem causing picture bad.Wherein, this bolster 3 is formed in one, and increases this buffer part 30 structural strength, can reduce costs simultaneously, improve processing convenience to play.
For convenience of assembling, this bolster 3 can be designed to split type, and as shown in Figure 1, shown in Figure 5, this bolster 3 comprises the first semicircular ring 301 and the second semicircular ring 302.In the actual assembled process of this camera lens module 001, first this first semicircular ring 301 can be arranged at the first inside surface 210 of this upper supporting piece 21, this second semicircular ring 302 is arranged at the second inside surface 220 of this lower support element 22.Then, the fixed part 222 of this lower support element 22 lock is stood in external structure, such as, on projector, being arranged on by this lens barrel 1 is provided with on this lower support element 22 of the second semicircular ring 302 again, the first surface 321 of the boss 32 of this second semicircular ring 302 is made to be resisted against this first outer rim 11, to this upper supporting piece 21 of this first semicircular ring 301 be provided with to being set in this first outer rim 11 of this lens barrel 1 by lower support element 22 again, and by clamping or the mode that is spirally connected, this upper supporting piece 21 be fixedly connected with to be set on this lens barrel 1 with this lower support element 22.
Below in conjunction with Fig. 7-1 to Fig. 7-4 to this camera lens module 001 when being subject to external impact, the deformation process of this bolster 3 is described further.Fig. 7-1 is the state before this bolster 3 is impacted, under this state, the first surface 321 of this boss 32 is resisted against this lens barrel 1, this connecting portion 33 is in because of assembling in initial deformation, first inside surface 210 or second inside surface 220 of this second surface 322 and this support member 2 have gap, namely do not contact the first inside surface 210 or the second inside surface 220 of this support member 2.When external shock, this boss 32 moves in this transmission district 34, and drive this connecting portion 33 move towards this support member 2 and contact the inside surface of this support member 2, cause this connecting portion 33 that further deformation occurs, now diminish (as shown in Fig. 7-2) in this transmission district 34 and this gap 310 to cushion this external impact force, now cushion effect is relatively little; Further, along with continuing of impacting, this boss 32 extrusion, cushion effect also increases, and this transmission district 34 and this gap 310 are continued diminish (as shown in Fig. 7-3); Until the 3rd surface 311 of the main part 31 be connected with this extruded boss 32 is almost connected to this first outer rim 11 completely, the monolithic extruded distortion of this bolster 3, this transmission district 34 becomes less, this gap 310 is decreased to and is almost 0, now this bolster 3 elastic deformation reaches capacity, the cushion effect produced also reaches maximum (as shown in Fig. 7-4), thus effective buffer action is played to this lens barrel 1, effectively avoid and impact the camera lens light path that causes and offset the problem causing picture bad, and this buffering course has level, buffering effect is better.
In sum, camera lens module of the present invention is supported lens barrel by the boss of bolster and is produced deformation to offset assembling tolerance, avoid that local pressure is excessive to be caused light path to offset and affect the precision of light path, simultaneously when being subject to external impact, the boss of bolster can by the transmission district of the gap between the main part of bolster and lens barrel and this bolster self, effective absorbing external impulsive force, is unlikely to make this camera lens light path produce skew and cause picture bad, ensure that image quality.
In practical application, the camera lens module shown in Fig. 1 to Fig. 7-4 of the present invention can be applicable in projection arrangement, for example, see shown in Fig. 8.As shown in Figure 8, disclose the structural representation of another technical scheme projection arrangement embodiment of the present invention, this projection arrangement 002 for throw light in projection screen, for user.This projection arrangement 002 comprises this camera lens module 001 and the main part 4 of above-described embodiment, and this camera lens module 001 is arranged at the side of main part 4 and fixes with this main part 4.Specifically, this camera lens module 001 stands on the lower cover 41 of this projection arrangement 002 main part by fixed part 222 lock of the lower support element 22 of this support member 2, and realization is fixedly connected with this main part 4.Therefore, this projection arrangement 002 is when being subject to external impact, be arranged at this bolster 3 between this support member 2 and this lens barrel 1, buffer action can be played to this lens barrel 1, camera lens light path is avoided to offset and the problem that causes picture bad, simultaneously, there is interference values in an assembling process in this boss 32 and this lens barrel 1, when being assembled on this lens barrel 1 to make this bolster 3, there is elastic deformation in this connecting portion 33, thus overcome assembling tolerance, after assembling is completed, namely ensure that this bolster 3 has a faint supporting role to this lens barrel 1, simultaneously can not produce an excessive anchorage force to this lens barrel 1 again, the excessive light path that causes of local pressure is avoided to offset and affect the precision of light path.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, change done without departing from the spirit and scope of the present invention and retouching, all belong to scope of patent protection of the present invention.
Claims (10)
1. a camera lens module, comprises lens barrel and support member, and this support member to be sheathed on this lens barrel and to support this lens barrel, and it is characterized in that, this camera lens module also comprises:
Bolster, has main part and multiple buffer part, and this bolster is arranged between this lens barrel and this support member;
This main part has the 3rd surface and the 4th surface, and the 3rd surface is just to this lens barrel, and the 4th surface is used for and this support member matches, and has gap between the 3rd surface of this main part and this lens barrel;
This buffer part has boss and connecting portion, and this boss has first surface, and this first surface supports this lens barrel, this connecting portion connects this main part and this boss, this connecting portion can produce deformation, and to being provided with transmission district by boss on this bolster, this transmission district is positioned between this boss and this support member;
Wherein, this gap and this transmission district space in order to provide this buffer part to produce deformation.
2. camera lens module as claimed in claim 1, it is characterized in that, when being subject to external impact force, this boss moves in this transmission district, and this connecting portion produces deformation, to cushion this external impact force.
3. camera lens module as claimed in claim 2, it is characterized in that, this boss also has second surface, and when this second surface contacts this support member, this boss extrusion, until the 3rd this lens barrel of surface contact of this main part.
4. camera lens module as claimed in claim 1, it is characterized in that, this connecting portion comprises the first connecting portion and the second connecting portion, and the both sides of this boss respectively nationality are connected with this main part with this second connecting portion by this first connecting portion.
5. camera lens module as claimed in claim 4, is characterized in that,
This main part also has first, and this first connecting portion is connected with this main part by this first respectively with this second connecting portion;
This boss has second surface;
Wherein, this second surface, this first connecting portion, this second connecting portion and two this first of being connected with this second connecting portion with this first connecting portion respectively enclose to form this transmission district.
6. camera lens module as claimed in claim 1, is characterized in that, the plurality of buffer part symmetrically or be evenly distributed on this bolster.
7. camera lens module as claimed in claim 1, it is characterized in that, this support member has upper supporting piece and lower support element, and this lens barrel has the first outer rim, and this upper supporting piece coordinates fixing with this lower support element, to be set in this first outer rim.
8. camera lens module as claimed in claim 7, it is characterized in that, this bolster comprises the first semicircular ring and the second semicircular ring; This upper supporting piece has the first inside surface, and this lower support element has the second inside surface; This first semicircular ring is fixedly arranged on this first inside surface, and this second semicircular ring is fixedly arranged on this second inside surface, and this upper supporting piece and this lower support element are by engaging or being spirally connected to coordinate fixing.
9. camera lens module as claimed in claim 1, it is characterized in that, this bolster is made up of resilient material.
10. a projection arrangement, comprises main part, it is characterized in that, this projection arrangement also comprises the camera lens module in claim 1-9 described in any one, and wherein the support member of this camera lens module is arranged on this main part to support the lens barrel of this camera lens module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487535.6A CN104267564B (en) | 2014-09-22 | 2014-09-22 | A kind of camera lens module and projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487535.6A CN104267564B (en) | 2014-09-22 | 2014-09-22 | A kind of camera lens module and projection arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104267564A true CN104267564A (en) | 2015-01-07 |
| CN104267564B CN104267564B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410487535.6A Active CN104267564B (en) | 2014-09-22 | 2014-09-22 | A kind of camera lens module and projection arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN104267564B (en) |
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| CN107911505A (en) * | 2017-11-14 | 2018-04-13 | 广东欧珀移动通信有限公司 | Display screen module and the terminal device with display screen module |
| WO2019144673A1 (en) * | 2018-01-24 | 2019-08-01 | 深圳市道通智能航空技术有限公司 | Lens assembly and mobile terminal |
| CN113126396A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Projection device |
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| WO2019144673A1 (en) * | 2018-01-24 | 2019-08-01 | 深圳市道通智能航空技术有限公司 | Lens assembly and mobile terminal |
| CN113126396A (en) * | 2019-12-31 | 2021-07-16 | 苏州佳世达光电有限公司 | Projection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104267564B (en) | 2016-01-27 |
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