CN200956064Y

CN200956064Y - Lens adjusting device

Info

Publication number: CN200956064Y
Application number: CN200620137236.0U
Authority: CN
Inventors: 林文陆
Original assignee: Genius Electronic Optical Co Ltd
Current assignee: Genius Electronic Optical Co Ltd
Priority date: 2006-09-26
Filing date: 2006-09-26
Publication date: 2007-10-03
Anticipated expiration: 2016-09-26

Abstract

The utility model relates to a camera lens adjusting device, which includes a pedestal in which a lens seat with a main body with a composition plane is arranged to connect to a lens, and a convex part which is capable of driving the main body to rotate. The main body takes vertical reciprocating movement while rotating, to drive the lens to move in order to adjust the focus. An orbicular elastic piece with two first relative ends and two second relative ends arranged in different planes is arranged at the camera lens device to make the main body move steadily. The two first relative ends and two second relative ends are connected to the pedestal and the composition plane respectively to save space in order to achieve the goal of adjusting the focus precisely.

Description

Lens adjusting apparatus

Technical field

The utility model is relevant with camera lens, more detailed is meant a kind of lens adjusting apparatus.

Background technology

Tend to compact trend day by day in response to electronic product, its internals is developed towards the direction of microminiaturization invariably, camera lens adjusting gear with mobile phone is an example, existing lens adjusting apparatus is in a base interior one microscope base to be set, this microscope base also links a camera lens, the user orders about this camera lens through this microscope base of rotation and does telescopic moving to reach the purpose of adjusting focal length, in addition, between this pedestal and this microscope base and a cylinder spiral spring is set moves use, to reach the purpose of accurate adjustment focal length as firm this microscope base.

Yet, on microscope base, move and when compressing this spring, because of this kind spring is formed around being converted into most rings by the metal warp, therefore forward and backward axial length and the volume of its compression makes a variation little, that is ratio of compression is little, therefore this spring occupies the sizable space of lens adjusting apparatus, so will cause great obstruction for the exploitation of micro-lens; Again, the micro-lens adjusting gear is except the accuracy that must meet certain degree requires, the cooperation of central each member also must be firmly durable, yet aforementioned spring is when the user rotates microscope base, the end that this spring is tight against microscope base is driven to rotate, make spring be twisted and be out of shape, cause the elastic force of spring to be changed and can't cause having some setbacks of lens adjusting apparatus operation the even application of force of microscope base, and there is the situation of wearing and tearing to take place, and then influences the serviceable life of lens adjusting apparatus.

In view of this, this case creator thinks funiculus through detailed, and long-pending research and development and the manufacturing experience of being engaged in relevant industries for many years, and the generation of the utility model is arranged eventually.

The utility model content

Fundamental purpose of the present utility model is to provide a kind of lens adjusting apparatus, and its volume is little, and has handling ease and the lower advantage of cost.

Edge is to reach above-mentioned purpose, a kind of lens adjusting apparatus provided by the utility model includes a pedestal, the inner space that forms, this pedestal has the side opening of an axis hole that vertically runs through and at least one horizontally set, and this axis hole is communicated with this space and this pedestal outside with this side opening respectively; One microscope base, comprise that a body is positioned at this space and a protuberance protrudes in this pedestal outside from this one of them side opening, this microscope base connects with the mode that can rotate relative to this pedestal and this base interior bottom surface and establishes, this protuberance can drive this body and rotate, this body and can moving back and forth along the axial of this axis hole along with rotation, this body have one and are located on the bearing surface of its outer ring surface with the perforation and of the coaxial setting of this axis hole; One elastic component is circular in fact, and it has 2 first opposite ends and 2 second opposite ends, and this 2 first opposite end and this 2 second opposite end are positioned on the Different Plane, and the bearing surface of conflict respectively this base interior end face and this body; One camera lens is arranged in the perforation of this body and is fixed in this microscope base, and can be along with the rotation of microscope base axially moving back and forth along axis hole.

For ease of understanding architectural feature of the present utility model, lift preferred embodiment now and cooperate the graphic back that is illustrated in:

Description of drawings

Fig. 1 is the exploded perspective view of the utility model one preferred embodiment;

Fig. 2 is the constitutional diagram of Fig. 1;

The microscope base that Fig. 3 discloses Fig. 2 is rotated and extends camera lens;

Fig. 4 is Fig. 2 roughly the same, discloses camera lens and is in the recessed shape attitude;

Fig. 5 is Fig. 3 roughly the same, discloses camera lens and is in elongation state.

[primary clustering symbol description]

10 lens adjusting apparatus

10a space

10b axis hole 10c side opening

12 pedestals, 121 lower house 121a reference columns

121b circular port 121c cylinder 121d projection

The 121e surface

122 upper shells, 123 cover plate 123a circular ports

124 boards

14 microscope bases, 141 body 141a big diametral planes

141b path face 141c bearing surface

142 protuberance 142a driving levers

143 perforation 143a inner threaded surface

144 grooving 144a inclined-planes

16 elastic components, 161 first opposite end 161a supporting surfaces

162 second opposite ends

18 camera lenses

181 external thread faces

Embodiment

See also Fig. 1 to shown in Figure 3, it is the lens adjusting apparatus 10 of the utility model one preferred embodiment, this lens adjusting apparatus 10 includes a pedestal 12, a microscope base 14, an elastic component 16 and a camera lens 18, below the structure and the relevant position thereof of each member is described now, wherein:

This pedestal 12 has a lower house 121 and a upper shell 122, in present embodiment, this lower house 121 is a cuboid, and four corners are convexly equipped with a reference column 121a respectively up, and central authorities are equipped with a circular port 121b and a cylinder 121c around this circular port 121b setting, and the precalculated position of this cylinder 121c outer wall is arranged with three arc bump 121d and is incorporated into this lower house 121 surperficial 121e; This upper shell 122 is that one has been bent to form a cover plate 123 and four boards 124, wherein this cover plate 123 has a circular port 123a, respectively this board 124 fastens with the reference column 121a of this lower house 121, make this upper shell 122 and these lower house 121 snappings and one common peripheral be set as a space 10a, on being somebody's turn to do, lower house 122,121

circular port

123a, 121b is connected with this space 10a and constitutes an axis hole 10b who vertically runs through this pedestal 12, and adjacent two reference column 121a and this cover plate 123 are enclosed to form a side opening 10c, and this axis hole 10b is communicated with this space 10a and this pedestal 12 outsides with this side opening 10c;

This microscope base 14 has the protuberance 142 that a tubular body 141 and protrudes out towards this side opening 10c outside from the outer ring surface of this body 141, this protuberance 142 links a upwardly extending driving lever 142a, wherein, this body 141 sheathed this cylinder 121c and be positioned at the space 10a of this pedestal 12, and have one with the perforation 143 of the coaxial setting of this axis hole 10b, this body 141 be positioned at the perforation 143 within anchor ring be formed with an inner threaded surface 143a, anchor ring has a big diametral plane 141a and a path face 141b outside this body 141, should be big, path face 141a, the 141b joining place forms a bearing surface 141c, these body 141 root edges also have the grooving 144 of corresponding those projections 121d, respectively this grooving 144 has an inclined-plane 144a, one of this inclined-plane 144a end tilts towards the other end, this body 141 is resisted against on the projection 121d of pedestal 12 with its inclined-plane 144a, see through and stir this driving lever 142a, as shown in Figure 3, this driving lever 142a will drive body 141 and rotate, and make respectively this projection 121d by impelling this microscope base 14 axially moving back and forth along this axis hole 10b by being resisted against respectively the position of the differing heights of this inclined-plane 144a;

The metal sheet that this elastic component 16 is made for punching press, be to be circular, and it has 2 first

opposite ends

161 and 2 second opposite ends 162, this first opposite end 161 and be formed with a supporting surface 161a respectively, what must illustrate is, this 2 first opposite end 161 is positioned on the Different Plane with this 2 second opposite end 162, in detail, please cooperate Fig. 4, the supporting surface 161a of this elastic component 16 conflicts, and also subsides are neat with it in these cover plate 123 bottom surfaces, and the bearing surface 141c of this microscope base 14 of 162 conflicts in this 2 second opposite end is by this, this elastic component 16 provides an acting force to suppress this microscope base 14, forces the grooving 144 inclined-plane 144a of this microscope base 14 firmly to be butted on this projection 121d;

This camera lens 18 is a cylindrical body, its inside has most optical mirror slips (figure does not show) in order to receive and to handle the light of incident, this camera lens 18 has an external thread face 181, be to be spirally connected with the perforation 143 of microscope base 14, so that this camera lens 18 can be locked on this microscope base 14, and, reach the purpose of adjusting focal length according to this along with these microscope base 14 same moved further.More than be lens adjusting apparatus 10 each member of present embodiment and the explanation of relevant position thereof, then narrate it and make flowing mode in the back:

Please cooperate Fig. 2, shown in Figure 4, disclose camera lens 18 among the figure and be the recessed shape attitude, this moment, the projection 121d of this pedestal 12 was butted on this inclined-plane 144a from the higher end of this lower house 121 surperficial 121e, and second opposite end 162 of this elastic component 16 provides an acting force to suppress this microscope base 14, make the inclined-plane 144a of grooving 144 firmly be butted on the projection 121d, the phenomenon that prevents slippage according to this takes place, and so can guarantee camera lens 18 location really, to reach the accurate purpose of adjusting focal length.

Fig. 3, shown in Figure 5 and for example, during as desire elongation camera lens 18, can stir this driving lever 142a and turn this microscope base 14, and order about this grooving 144 along stirring the direction displacement, make projection 121d be butted on this inclined-plane 144a from one of the lower end of this lower house 121 surperficial 121e, with this microscope base 14 of pushing tow away from this lower house 121 surperficial 121e, and drive this camera lens 18 simultaneously and move, and, elastic component 16 also continues this microscope base 14 of compacting in the process that camera lens 18 moves, rock and reach the effect of accurate adjustment to guarantee that camera lens 18 can not produce in moving process; Mandatory declaration be, elastic component 16 of the present utility model is single annulus elastic strip body, from Fig. 4, the shared space of this elastic component 16 is minimum as can be known among Fig. 5, therefore be very beneficial for the exploitation of the microminiaturization of its application product (as: mobile phone built-in camera), secondly, based on elastic component 16 of the present utility model is single bullet circle, therefore it can't be driven to rotate when microscope base 14 rotates and be out of shape along sense of rotation, so disappearance that can solve existing cylinder spiral spring and derive because distortion institute causes the elastic force change, in other words, elastic component 16 of the present utility model is can be equably to these microscope base 14 application of forces when camera lens 18 stretches, make that lens adjusting apparatus 10 operations are smooth and easy, take place by this situation that reduces abrasion, to prolong the serviceable life of product, moreover, simple in structure because of elastic component of the present utility model 16, therefore make and have handling ease and lower-cost advantage.

The above only is a preferable possible embodiments of the present utility model, uses the equivalent structure variation that the utility model instructions and claim are done such as, ought to be included in the claim of the present utility model.

Claims

1. lens adjusting apparatus is characterized in that including:

One pedestal, the inner space that forms, this pedestal has the side opening of an axis hole that vertically runs through and at least one horizontally set, and this axis hole is communicated with this space and this pedestal outside with this side opening respectively;

One microscope base, comprise that a body is positioned at this space and a protuberance projects to this pedestal outside from this side opening wherein, this microscope base connects with the mode that can rotate relative to this pedestal and this base interior bottom surface and establishes, this protuberance is to drive this body to rotate, along axially the moving back and forth of this axis hole, this body has one and is located on the bearing surface of its outer ring surface with the perforation and of the coaxial setting of this axis hole this body along with rotation;

One elastic component is circular in fact, and it has 2 first opposite ends and 2 second opposite ends, and this 2 first opposite end and this 2 second opposite end are positioned on the Different Plane, and the bearing surface of conflict respectively this base interior end face and this body; And

One camera lens is arranged in the perforation of this body and is fixed in this microscope base, axially the moving back and forth along this axis hole along with the rotation of this microscope base.

2. lens adjusting apparatus as claimed in claim 1, it is characterized in that, described this pedestal has a upper shell and a lower house, it fastens mutually and encloses jointly and forms this space and this side opening respectively, this upper and lower casing has a circular port respectively, this two circular port is connected with this space and forms the axis hole of this pedestal jointly, this lower house and this upper shell be longitudinal surface to two form this base interior bottom surface and this base interior end face respectively.

3. lens adjusting apparatus as claimed in claim 2 is characterized in that, described this microscope base has a driving lever, and this driving lever links the protuberance of this microscope base and extends upward formation.

4. lens adjusting apparatus as claimed in claim 3, it is characterized in that, described this lower house has a cylinder around this circular port setting, this cylinder and this lower house junction are equipped with most projections, sheathed this cylinder of the body of this microscope base, and its root edge has the grooving of most corresponding those projections, respectively this grooving has an inclined-plane, one end on this inclined-plane tilts towards the other end, this inclined-plane respectively this projection of conflicting respectively, this driving lever is to order about this body to rotate, by so that respectively this inclined-plane with the diverse location it on and respectively this projection conflict.

5. lens adjusting apparatus as claimed in claim 1 is characterized in that, 2 first opposite ends of described this elastic component form a supporting surface respectively, and this supporting surface and this base interior end face paste neat.