CN102736208B

CN102736208B - Lens module

Info

Publication number: CN102736208B
Application number: CN201110080701.7A
Authority: CN
Inventors: 黄伟民; 薛春育; 黄敦揆
Original assignee: Asia Optical Co Inc
Current assignee: Asia Optical Co Inc
Priority date: 2011-03-31
Filing date: 2011-03-31
Publication date: 2014-09-10
Anticipated expiration: 2031-03-31
Also published as: CN102736208A

Abstract

The invention relates to a lens module, comprising a fixed cylinder, a long-tooth portion, and a guide shaft. The fixed cylinder comprises a body case and a containing groove. The body case forms the containing groove and comprises a upper surface and a inner surface. The long-tooth portion comprises a locating groove, a top surface and a bottom surface. The long-tooth portion is disposed in the containing groove, and the guide shaft is disposed in the locating groove. A distance from the upper surface of the fixed cylinder to the inner surface is a first length, the distance from the top surface of the long-tooth portion to the bottom surface is a second length, and the distance from the upper surface of the fixed cylinder to the bottom surface of the long-tooth portion is a third length, with a sum of the first length and the second length being greater than the third length.

Description

Camera lens module

Technical field

The present invention relates to a kind of camera lens module, particularly a kind of have long tooth portion the camera lens module of driving be provided.

Background technology

Fig. 1 is the diagrammatic cross-section of known camera lens module.

Refer to Fig. 1, known camera lens module 10 comprises stationary magazine creel 11, guide shaft 12 and long tooth portion 13, stationary magazine creel 11 comprises housing 111 and storage tank 112, housing 111 comprises upper surface 113 and inside surface 114, guide shaft 12 is arranged in storage tank 112, and long tooth portion 13 comprises locating slot 131, end face 132 and bottom surface 133, and long tooth portion 13 is placed in storage tank 112 and guide shaft 12 is placed in locating slot 131, therefore long tooth portion 13 can rotate along guide shaft 12, to drive camera lens.

Owing to need to taking the intensity of stationary magazine creel 11 into account, stationary magazine creel 11 needs certain thickness, and as shown in Figure 1, this thickness is that the upper surface 113 of stationary magazine creel 11 is to the distance B 1 (hereinafter referred to as the first length D1) of inside surface 114; In addition, be the second length D2 by the end face 132 of long tooth portion 13 to the distance definition of bottom surface 133, and the upper surface 113 of stationary magazine creel 11 is the 3rd length D3 to the distance definition of the bottom surface 133 of long tooth portion 13, as shown in Figure 1 as, the first length D1 and the second length D2 sum equal the 3rd length D3; Due to the thickness (i.e. the first length D1) of stationary magazine creel 11, must maintain a length-specific, therefore the thickness of known camera lens module 10 can, by limited, cannot be reached frivolous target.

Because the current volume of photographic goods is required increasingly frivolously, therefore, if can make the height reduction of camera lens module 10 aspect mechanism design, the volume of photographic goods also can be reduced simultaneously.

Summary of the invention

The technical problem to be solved in the present invention is, for the limited defect of camera lens module thickness of the prior art, provides a kind of camera lens module, can reduce the thickness of camera lens module.

The technical solution adopted for the present invention to solve the technical problems is, a kind of camera lens module is provided, comprise stationary magazine creel, long tooth portion and guide shaft, stationary magazine creel comprises housing and storage tank, housing forms storage tank and comprises upper surface and inside surface, long tooth portion comprises locating slot, end face and bottom surface, long tooth is deployed in storage tank, guide shaft is located in locating slot, the upper surface of stationary magazine creel is the first length to the distance of inside surface, the end face of long tooth portion is the second length to the distance of bottom surface, and the upper surface of stationary magazine creel is the 3rd length to the distance definition of the bottom surface of long tooth portion, the first length and the second length sum are greater than the 3rd length.

The invention provides a kind of camera lens module, comprise stationary magazine creel, guide shaft and long tooth portion.Stationary magazine creel comprises that housing, storage tank, the first depressed part and first-phase are to protuberance, housing forms storage tank, the first depressed part and first-phase are to the adjacent setting of protuberance, long tooth portion comprises that locating slot, the second depressed part and second-phase are to protuberance, and long tooth is deployed in storage tank, and guide shaft is located in locating slot, the second depressed part and second-phase are to the adjacent setting of protuberance, wherein, the first depressed part and second-phase are chimeric to protuberance, and first-phase is chimeric to protuberance and the second depressed part.

It should be noted, the degree of depth of the first depressed part is identical to the height of protuberance with second-phase.

It should be noted, the degree of depth of the second depressed part is identical to the height of protuberance with first-phase.

Implement camera lens module of the present invention, there is following beneficial effect: utilize mechanism design, the second length part overlapping of the first length that makes stationary magazine creel and long tooth portion, the upper surface that can reduce stationary magazine creel is to the distance of the bottom surface of long tooth portion, the i.e. distance of the 3rd length, therefore can effectively reduce the whole height of camera lens module, can meet the increasingly frivolous requirement of volume of current photographic goods.In addition, because long tooth portion can rotate along guide shaft, to drive camera lens, although the present invention reduces the segment thickness of stationary magazine creel, stationary magazine creel still maintains a length-specific near the part of guide shaft, therefore, in the time that camera lens module is driven, stationary magazine creel still can provide needed structural strength.

Brief description of the drawings

Fig. 1 is the diagrammatic cross-section of known camera lens module;

Fig. 2 is according to the schematic diagram of the camera lens module of one embodiment of the invention;

Fig. 3 is the diagrammatic cross-section along the line 3-3 ' of Fig. 2.

Embodiment

Fig. 2 is according to the schematic diagram of the camera lens module of one embodiment of the invention.Fig. 3 is the diagrammatic cross-section along the line 3-3 ' of Fig. 2.

Refer to Fig. 2,3, camera lens module 20 comprises stationary magazine creel 21, guide shaft 22 and long tooth portion 23, stationary magazine creel 21 comprises that housing 211, storage tank 212, the first depressed part 213 and first-phase are to protuberance 214, housing 211 forms storage tank 212 and comprises upper surface 215 and inside surface 216, in the present embodiment, the first depressed part 213 and first-phase are to the protuberance 214 adjacent settings in left and right.

Guide shaft 22 is extended to storage tank 212 by the upper surface 215 of housing 211, and be positioned at storage tank 212, long tooth portion 23 comprises that locating slot 231, second-phase are to protuberance 232, the second depressed part 233, end face 234 and bottom surface 235, long tooth portion 23 is placed in storage tank 212, guide shaft 22 is located in locating slot 231, therefore long tooth portion 23 can rotate along guide shaft 22, to drive camera lens (not icon).In the present embodiment, the second depressed part 233 and second-phase are to the protuberance 232 adjacent settings in left and right, and the first depressed part 213 is chimeric to protuberance 232 with second-phase, and first-phase is chimeric to protuberance 214 and the second depressed part 233.

It should be noted, the degree of depth of the first depressed part 213 is identical to the height of protuberance 232 with second-phase, and the degree of depth of the second depressed part 233 is identical to the height of protuberance 214 with first-phase.When the first depressed part 213 and second-phase, to protuberance 232, chimeric and the second depressed part 233 and first-phase are mutual when chimeric to protuberance 214 mutually, first-phase can overlap mutually by along continuous straight runs to protuberance 232 to protuberance 214 and second-phase, more clearly say, first-phase is sponged by the second depressed part 233 and the first depressed part 213 respectively the height of protuberance 232 protuberance 214 and second-phase, therefore, the whole height of camera lens module 20 can reduce.

It should be noted, the distance of the upper surface 215 of stationary magazine creel 21 inside surface 216 to protuberance 214 to first-phase is defined as the first length D1 ', the second-phase of long tooth portion 23 is defined as the second length D2 ' to the end face 234 of protuberance 232 to the distance of bottom surface 235, and the upper surface 215 of stationary magazine creel 21 is the 3rd length D3 ' to the distance definition of the bottom surface 235 of long tooth portion 23, in the present embodiment, the first length D1 ' can be greater than the 3rd length D3 ' with the second length D2 ' sum.Because the first length D1 ' of stationary magazine creel 21 and the second length D2 ' of long tooth portion have partly overlapping place, therefore, the first length D1 ' and the second length D2 ' sum can be greater than the 3rd length D3 ' of camera lens module 20, that is, the first length D1 ' of stationary magazine creel 21 overlaps with the second length D2 ' part of long tooth portion 23, arrives the distance of the bottom surface 235 of long tooth portion 23 to reduce the upper surface 215 of stationary magazine creel 21.

As from the foregoing, the camera lens module 20 of the present embodiment utilizes mechanism design, the second length D2 ' part overlapping of the first length D1 ' that makes stationary magazine creel 21 and long tooth portion 23, the upper surface 215 that can reduce stationary magazine creel 21 is to the distance of the bottom surface 235 of long tooth portion 23, the i.e. distance of the 3rd length D3 ', therefore can effectively reduce the whole height of camera lens module 20, can meet the increasingly frivolous requirement of volume of current photographic goods.In addition, because long tooth portion 23 can rotate along guide shaft 22, to drive camera lens, therefore, stationary magazine creel 21 may bear larger strength while rotation in long tooth portion 23 near the part of guide shaft 22, although the present embodiment reduces the segment thickness of stationary magazine creel 21, but stationary magazine creel 21 still maintains a length-specific near the part of guide shaft 22, therefore,, in the time that camera lens module 20 is driven, stationary magazine creel 21 still can provide needed structural strength.

The foregoing is only preferred embodiment of the present invention, can not limit scope of the invention process with this, i.e. all simple equivalences of doing according to the present patent application the scope of the claims and invention description content change and modify, and all still remain within the scope of the patent.Arbitrary embodiment of the present invention or claim must not reached the disclosed whole objects of the present invention or advantage or feature in addition.In addition, summary part and title are only for the use of auxiliary patent document search, are not used for limiting interest field of the present invention.

Claims

1. a camera lens module, is characterized in that, comprising:

Stationary magazine creel, comprises housing and storage tank, and wherein this housing forms this storage tank, and comprises upper surface and inside surface;

Guide shaft; And

Long tooth portion, comprises locating slot, end face and bottom surface, and wherein this long tooth is deployed in this storage tank, and this guide shaft is located in this locating slot;

Wherein, this upper surface of this stationary magazine creel is the first length to the distance of this inside surface, this end face of this long tooth portion is the second length to the distance definition of this bottom surface, and this upper surface of this stationary magazine creel is the 3rd length to the distance definition of this bottom surface of this long tooth portion, this first length and this second length sum are greater than the 3rd length.

2. camera lens module as claimed in claim 1, it is characterized in that, this stationary magazine creel more comprises that the first depressed part and first-phase are to protuberance, this first depressed part and this first-phase are to the adjacent setting of protuberance, and this long tooth portion more comprises that the second depressed part and second-phase are to protuberance, this second depressed part and this second-phase are to the adjacent setting of protuberance, and this first depressed part and this second-phase are chimeric to protuberance, and this first-phase is chimeric to protuberance and this second depressed part.

3. camera lens module as claimed in claim 2, is characterized in that, the degree of depth of this first depressed part is identical to the height of protuberance with this second-phase.

4. camera lens module as claimed in claim 2, is characterized in that, the degree of depth of this second depressed part is identical to the height of protuberance with this first-phase.

5. a camera lens module, is characterized in that, comprising:

Stationary magazine creel, comprises that housing, storage tank, the first depressed part and first-phase are to protuberance, and wherein this housing forms this storage tank, and this first depressed part and this first-phase are to the adjacent setting of protuberance;

Guide shaft; And

Long tooth portion, comprises that locating slot, the second depressed part and second-phase are to protuberance, and wherein this long tooth is deployed in this storage tank, and this guide shaft is located in this locating slot, and this second depressed part and this second-phase are to the adjacent setting of protuberance;

Wherein, this first depressed part and this second-phase are chimeric to protuberance, and this first-phase is chimeric to protuberance and this second depressed part.

6. camera lens module as claimed in claim 5, is characterized in that, the degree of depth of this first depressed part is identical to the height of protuberance with this second-phase.

7. camera lens module as claimed in claim 5, is characterized in that, the degree of depth of this second depressed part is identical to the height of protuberance with this first-phase.