CN206532017U - Lens devices - Google Patents

Abstract

The utility model provides a kind of lens devices for possessing and position adjustment and the structure that can be suitably adhesively fixed in the state of maintaining after position adjustment can accurately being carried out to lens frame.Lens devices (1) possess：Lens (L1)；Lens frame (12)；And so that the reference plane (13A) vertical with the optical axis of lens (L1) is connected to lens frame (12) and keeps the holding frames (13) of lens frame (12).Lens frame (12) has the bearing surface (12B) abutted with reference plane (13A)；And diameter becomes big periphery inclined plane (12A) towards from bearing surface (12B) to the direction of reference plane (13A), holding frame (13) has the cylinder portion (13B) for surrounding periphery inclined plane (12A).Binding agent packing space (C) is formed between cylinder portion (13B) and periphery inclined plane (12A).Cylinder portion (13B) has the opening (P, Q) for being set to bond mouth and lens frame position adjustment mouthful at the position opposed with periphery inclined plane (12A).

Description

Lens devices

Technical field

The utility model is related to lens devices, the structure of position adjustment and bonding more particularly, to lens frame.

Background technology

In the past, in lens devices used in various cameras, the lens frame of holding lens is made relative to lens devices In the state of main body moves up in side orthogonal with the optical axis and carried out position adjustment, lens frame is fixed on lens devices master Body (patent document 1 and 2).

Patent document 1 and 2 discloses following technology：The conical surface around optical axis is set in lens frame, makes to protrude towards the conical surface The multiple supports set are movable relative to the conical surface, lens frame is moved and is carried out along the face vertical with optical axis The position adjustment of picture frame.

Citation

Patent document 1：Japanese Unexamined Patent Publication 2007-310067 publications

Patent document 2：Japanese Unexamined Patent Publication 05-45550 publications

It is desirable here that lens frame is appropriately secured into lens devices in the state of the position adjustment for carrying out lens frame The structure of main body.In patent document 1 and 2, the knot that lens frame is fixed on to lens devices after position adjustment is not documented in Structure, the concrete structure for fixing lens frame is also indefinite.

Utility model content

The utility model problem to be solved

The utility model be in view of situation as described above and complete, its object is to there is provided possess following structure Lens devices, the lens devices can accurately carry out position adjustment to lens frame and can be in the shape after maintaining position adjustment Suitably it is adhesively fixed under state.

Solution

Lens devices of the present utility model are characterised by possessing：Lens；Lens frame, it keeps the periphery of lens；And Holding frame, it is so that the reference plane vertical with the optical axis of lens is connected to lens frame and keeps lens frame, and there is lens frame periphery to incline Inclined-plane and the bearing surface abutted with reference plane, the diameter of the periphery inclined plane become towards from abutting towards the direction of reference plane Greatly, the periphery inclined plane makes the position edge of lens frame by being vertical direction external force by the external force in the direction vertical with optical axis The reference plane and move adjustment, holding frame has the cylinder portion for surrounding periphery inclined plane, cylinder portion and periphery inclined plane it Between form binding agent packing space, cylinder portion has at the position opposed with periphery inclined plane is set to the bonding of binding agent filling Mouthful opening and be set to vertical direction external force imparting lens frame position adjustment mouthful opening.

It is above-mentioned " to be set to the opening of the bonding mouth of binding agent filling and be set to the lens frame position of vertical direction external force imparting Put the opening of adjustment mouth " refer to, it can act as the opening for bonding mouth or lens frame position adjustment mouthful.It is set to bond the opening of mouth Can be the arbitrary shape for being capable of filling adhesive, for example, it may be at the position opposed with periphery inclined plane in cylinder portion The through hole or otch of setting.The opening for being set to lens frame position adjustment mouthful can be can be for external force such as position adjustment clamps The arbitrary shape of imparting mechanism insertion, for example, it may be what is set at the position opposed with periphery inclined plane in cylinder portion passes through Through hole or otch.

In addition, on the basis of lens devices of the present utility model, being set to bond the opening of mouth preferably in the circumference in cylinder portion On equally spaced provided with multiple.In this case, the opening for being set to bond mouth is set preferably in the circumference in cylinder portion with 120 degree of intervals Put.

In addition, on the basis of lens devices of the present utility model, the opening for being set to lens frame position adjustment mouthful preferably exists Equally spaced provided with multiple in the circumference in cylinder portion.In this case, the opening of lens frame position adjustment mouthful is set to preferably in cylinder portion Circumference on 120 degree interval setting.

In addition, on the basis of the lens devices of the present utility model or, be open that there is width in the circumferential Different parts is used separately as bonding mouth and lens frame position adjustment mouthful in elongated hole, the circumference of elongated hole.

In addition, on the basis of lens devices of the present utility model or, binding agent packing space divides in the circumferential It is liftoff to be provided with multiple, it is set to bond the opening of mouth at position corresponding with each binding agent packing space.

In addition, on the basis of lens devices of the present utility model or, binding agent packing space is in optical axis direction On discretely provided with multiple, be set to bond the opening of mouth at position corresponding with each binding agent packing space.

Above-mentioned " opening for being set to bond mouth at position corresponding with each binding agent packing space " refers to, in energy It is enough that the opening for being set to bond mouth at the position of binding agent is inserted to each binding agent packing space.It should be noted that being set to The opening of bonding mouth can set one relative to each binding agent packing space can also set multiple.

In addition, on the basis of lens devices of the present utility model or, possess multiple from thing side towards image side Picture frame, the plurality of lens frame includes the lens frame with periphery inclined plane, and the lens frame with periphery inclined plane is multiple lens It is located at the lens frame for most leaning on thing side in frame.

In addition, on the basis of lens devices of the present utility model or, by from reference plane towards bearing surface In the case that direction is set to upward, lens frame possesses the extension of extension on the outside of from the upper end of periphery inclined plane towards radial direction Face, extended surface, periphery inclined plane and cylinder portion surround binding agent packing space, thus only viscous to this from the opening for being set to bond mouth Tie agent packing space filling adhesive.

Above-mentioned " on the outside of radial direction " refers to, on the outside of the radial direction centered on optical axis.

Utility model effect

According to the utility model there is provided possess can accurately to lens frame carry out position adjustment and can maintain position The lens devices for the structure being suitably adhesively fixed in the state of putting after adjustment.

Brief description of the drawings

Fig. 1 is the sectional view of the lens devices of an embodiment of the present utility model.

Fig. 2 is the stereogram of Fig. 1 holding frame.

Fig. 3 is the partial enlarged drawing near Fig. 1 reference plane.

Fig. 4 is the partial enlarged drawing near Fig. 1 bonding mouth, and is the figure for the first case for showing binding agent packing space.

Fig. 5 is the partial enlarged drawing near Fig. 1 bonding mouth, and is the figure for the second case for showing binding agent packing space.

Fig. 6 is the figure for showing the example after the periphery inclined plane and its neighbouring shape distortion by Fig. 4 the first lens frame.

Fig. 7 is the figure of the variation for the lens devices for showing an embodiment of the present utility model.

Description of reference numerals：

1 lens devices；

11 lens barrel main bodys；

12 first lens frames；

12A peripheries inclined plane；

12B bearing surfaces；

12C grooves；

12D extended surfaces；

12F upper ends；

13 holding frames；

13A reference planes；

13B cylinders portion；

13E screwed holes；

14 second lens frames；

15 screws；

C, C1, C2 binding agent packing space；

The lens groups of L1 first；

The lens groups of L2 second；

P is set to the opening (position adjustment opening) of lens frame position adjustment mouthful；

Q is set to bond the opening (bonding opening) of mouth；

R elongated holes；

S position adjustment clamps；

T binder distributors；

Z optical axises.

Embodiment

Fig. 1 is the sectional view splitted with the face comprising optical axis of the lens devices 1 of an embodiment of the present utility model.With Under, as an embodiment of the present utility model, in so-called MV/FA (Machine Vision/Factory Automation) camera is that the lens devices 1 of the camera of industry are illustrated using example of the present utility model.

The bottom of lens devices 1 in Fig. 1 is assemblied in camera main-body (not shown) by installation component (not shown). In camera main-body, CCD (Charge (not shown) are configured on the imaging surface of optical system for being contained in lens devices 1 Coupled Device) or the photographing element such as CMOS (Complementary Metal Oxide Semiconductor).

As shown in figure 1, lens devices 1 possess the first lens group L1, the first lens of the first lens group L1 of holding periphery Frame 12, the holding frame 13 for keeping the first lens frame 12, the second lens group L2, the second lens of the second lens group L2 of holding periphery Frame 14 and lens barrel main body 11.It should be noted that here, the first lens group L1 is equivalent to lens of the present utility model, first Lens frame 12 is equivalent to lens frame of the present utility model.

The optical system for being installed on lens devices 1 is that possess the first lens group as fixed lens group successively from an object side L1, the second lens group L2 as fixed lens group and the light configured between the first lens group L1 and the second lens group L2 The optical system of two groups of structures of late (not shown).The optical system for being installed on lens devices 1 can be according to required Item and use various optical systems.For example, it is also possible to which optical system is configured into rear focusing or inner focusing formula fixation Focus optical system.In this case, possess it is moved along optical axis direction using voice coil motor etc. and be focused mechanism, Structure known to position sensor, drive mechanism and controlling organization etc..In addition, optical system can also be configured to basis Need and possess lens hood or various optical filters etc..It should be noted that in Fig. 1, upside is thing side, and downside is picture Side.In addition, marking identical reference for corresponding key element in the drawings and omitting detailed description.

Lens barrel main body 11 is the tubular structure supported to the first lens frame 12 and the second lens frame 14 after position adjustment Part.The second lens frame 14 of the second lens group L2 periphery is kept to be inserted into lens barrel main body 11 and be supported by.Keep the first lens First lens frame 12 of group L1 periphery is held in holding frame 13.Keep the holding frame 13 of the first lens frame 12 by screw 15 with 120 degree of intervals are fixedly attached to lens barrel main body 11.

Fig. 2 is to maintain the stereogram of frame 13.Holding frame 13 is drum, and possesses in inner circumferential the base vertical with optical axis Z Quasi- face 13A.In addition, holding frame 13, which has, surrounds the first lens the first lens frame 12 is connected in the state of reference plane 13A The inclined plane 12A in periphery described later of frame 12 cylinder portion 13B.As shown in Figure 1 and Figure 2, cylinder portion 13B is half from reference plane 13A The barrel abreast extended on the outside of the direction of footpath with optical axis Z to thing side.In addition, in the periphery of holding frame 13, provided with for The screwed hole 13E that lens barrel main body 11 is fixed.

It should be noted that being the region for the part for housing the first lens frame 12, the cylinder by the cylinder portion 13B regions surrounded Portion 13B internal diameter is formed must be bigger than the external diameter of the first lens frame 12.Therefore, in the outer peripheral face and cylinder portion 13B of the first lens frame 12 Between be provided with gap.Therefore, the first lens frame 12 can be in the state of reference plane 13A be connected to along the side vertical with optical axis Z To movement.

Fig. 1 is returned to go on to say.As shown in figure 1, the first lens frame 12 possesses the bearing surface 12B vertical with optical axis Z, utilize Bearing surface 12B is connected to the reference plane 13A of holding frame 13.First lens frame 12 has periphery inclined plane 12A, the periphery inclined plane 12A diameter becomes big towards from bearing surface 12B to reference plane 13A direction, periphery inclined plane 12A by by with optical axis Z The external force in vertical direction is vertical direction external force, the position of the first lens frame 12 is moved adjustment along reference plane 13A.

Because periphery inclined plane 12A has gradient, therefore by being pressed from both sides in periphery inclined plane 12A by from position adjustment Have S external force, the first lens frame 12 is pressed on the reference plane of holding frame 13 in the bearing surface 12B of the first lens frame 12 In the state of 13A position adjustment is carried out along optical axis vertical direction.Specifically, tilted from position adjustment clamp S towards periphery When face 12A is by external force, the bearing surface 12B of the first lens frame 12 is being pressed on reference plane by the component of the optical axis direction of external force Played a role on 13A direction, the component of the optical axis vertical direction of external force is in the side for pressing the first lens frame 12 towards optical axis Z Play a role upwards.Therefore, the first lens frame 12 can in the state of reference plane 13A is pressed on along reference plane 13A in light Axle Vertical Square is moved up.

It should be noted that the external force applied to periphery inclined plane 12A has towards light on the direction vertical with optical axis Z The composition of axle, so that the bearing surface 12B of the first lens frame 12 to be pressed on to the reference plane 13A of holding frame 13, makes the first lens frame Adjustment is moved along reference plane 13A in 12 position.For example, can not also be with light to the periphery inclined plane 12A external force applied Axle Z exact verticals.

When being compared to bearing surface 12B and reference plane 13A, preferably bearing surface 12B surface roughness is relatively large, benchmark Face 13A surface relative smooth.In this case, it can prevent two surfaces from mutually pasting and improving sliding, height can be realized The position adjustment of precision.Fig. 3 is the partial enlarged drawing near Fig. 1 reference plane.As shown in figure 3, for example, bearing surface can be made 12B turns into the metal covering for remaining cut channel and the surface roughness with setting, and implements anodized.In the feelings Under condition, reference plane 13A is preferably set to turn into the rough surface for handling and having the value smaller than setting by being ground to cut channel The metal surface of degree, and as the metal quality for not implementing anodized.

In addition, cylinder portion 13B is opposed with periphery inclined plane 12A in the state of reference plane 13A is abutted with bearing surface 12B At position, possess the opening (bonding opening Q) for the bonding mouth for being set to binding agent filling, and be structured to incline to periphery Inclined-plane 12A assigns the opening (position adjustment opening P) of the lens frame position adjustment mouthful of vertical direction external force.

In holding frame 13, multiple bonding opening Q are equally spaced provided with preferably in cylinder portion 13B circumference.In the feelings Under condition, equably the first lens frame 12 and holding frame 13 can be bonded in equally spaced direction from towards periphery inclined plane 12A Get up.In order to improve the effect, for example, using opening Q preferably in cylinder portion 13B circumference between 120 degree as shown in Fig. 2 bonding Every setting.In addition, bonding opening Q is provided with two or more preferably in the way of it can fix in the two directions, or More than three.

In addition, in holding frame 13, multiple position adjustment openings are equally spaced provided with preferably in cylinder portion 13B circumference P.In this case, position adjustment can be carried out from equably being exerted a force in equally spaced direction towards periphery inclined plane 12A.For The effect is improved, for example, as shown in Fig. 2 position adjustment is set with opening P preferably in cylinder portion 13B circumference with 120 degree of intervals Put.In addition, using the position adjustment clamp S for the shaft-like that can be moved forward and backward by screw etc. at three position adjustment opening P And in the case of carrying out position adjustment, each position adjustment fixture S can be suitably connected to periphery inclined plane 12A, therefore energy It is enough stably to carry out position adjustment.In addition, position adjustment with opening P preferably so that position adjustment can be carried out in the two directions Mode sets two or more, or more than three.

It should be noted that in Fig. 2 holding frame 13, passing through for outer peripheral face is through to as the inner peripheral surface from holding frame 13 Port, is spaced in the opening that position at 6 is provided with same shape with 60 degree in the circumferential.Position adjustment opening P is can be for position Put the shape of the vertical external force imparting mechanism insertion such as adjustment fixture S, if bonding opening Q can filling adhesive, can make Position adjustment is with opening P and bonds with opening Q as arbitrary size or shape, can also make position adjustment opening P and viscous Knot is different with opening Q size or shape.

In addition, being used as the variation of holding frame 13, or, the opening located at holding frame 13 is wide to have in the circumferential The elongated hole R of degree, bonding opening Q and position adjustment opening P are used separately as by part different in elongated hole R circumference.For example, As shown with a dotted line in fig. 2, opening can also be set to elongated hole R, the end of an elongated hole R circumferential side is used as bonding opening Q, by the end of elongated hole R circumferential the opposing party as position adjustment opening P.In this case, can make holding frame 13 into For simpler shape.

In addition, being formed with binding agent packing space C between periphery inclined plane 12A and cylinder portion 13B.Binding agent packing space C can also be in the circumferential discretely provided with multiple, provided with bonding with opening at position corresponding with each binding agent packing space C Mouth Q.In this case, the binding agent flowed into from each bonding with opening Q is filled in the first lens frame at circumferential multiple positions Between 12 periphery inclined plane 12A and cylinder portion 13B inner peripheral surface, so as to suitably bond the first lens frame 12 and holding frame 13。

Fig. 4~Fig. 5 is Fig. 1 partial enlarged drawing, shows the first case and second case of binding agent packing space.Such as Fig. 4 It is shown or, binding agent packing space C1, C2 discretely provided with multiple, are filled out with each binding agent in the direction of the optical axis Fill and bonding opening Q is provided with the corresponding position of space C1, C2.In this case, can suitably periphery inclined plane 12A with Cylinder portion 13B gap filling adhesive and the first lens frame 12 and holding frame 13 are bonded.

If, can be to multiple bondings it should be noted that binding agent can be made to flow into each binding agent packing space C1, C2 Agent packing space C1, C2 set bonding opening Q respectively, can also set what is shared to multiple binding agent packing space C1, C2 Bonding uses opening Q.In addition, electricity can at an arbitrary position be located to set any number of binding agent filling empty to periphery inclined plane 12A Between, for example, it is also possible to only set the binding agent packing space C1 shown in Fig. 4 and either one in binding agent packing space C2. Or, as shown in figure 5, for example, it is also possible into the gap of periphery inclined plane 12A and the inner face of holding frame 13 integral-filled bonding Agent and be configured to binding agent packing space C.

Fig. 6 is show to make the periphery inclined plane 12A of Fig. 4 (and Fig. 5) the first lens frame 12 and its optical axis direction upper The figure of example after lower shape distortion.As shown in fig. 6, recess 12C can also circumferentially be formed in periphery inclined plane 12A vicinity (being herein groove), opening Q is used to recess 12C also filling adhesive from bonding.In this case, by being filled to recess 12C Binding agent, it can be ensured that binding agent packing space C volume.In the example shown in Fig. 6, only binding agent can also be set to fill Either one in space C1 and binding agent packing space C2.

In addition, in the case of either one during binding agent packing space C1 and binding agent packing space C2 is only set, Preferably, when by being set to upward to bearing surface 12B direction from reference plane 13A, the binding agent packing space C2 on the downside of setting And bond by the first lens frame 12 and holding frame 13.In this case, court of the binding agent from the face for bonding mouth is formed is made On heaved upward towards upside, towards above with than filling viscous between the outer peripheral face towards the first lens frame 12 above by the top A part for agent is tied, produces and presses on reference plane 13A on bearing surface 12B direction from there through the contraction of binding agent Power, the axle that can also suppress the first lens frame 12 after bonding is crooked.

In addition, in the case where will be set to upward to bearing surface 12B direction from reference plane 13A, being preferably configured as, first Lens frame 12 possesses the extension of extension on the outside of from periphery inclined plane 12A upper end 12F towards the radial direction centered on optical axis Z Face 12D, surrounds binding agent packing space C, thus only from bonding by extended surface 12D, periphery inclined plane 12A and cylinder portion 13B With opening Q to binding agent packing space C filling adhesives.In this case, binding agent can be firmly held in extended surface 12D, periphery inclined plane 12A and cylinder portion 13B.In addition, as shown in figure 1, lens devices 1 possess comprising tool from thing side towards image side There are multiple lens frames including periphery inclined plane 12A lens frame (the first lens frame 12), with the saturating of periphery inclined plane 12A Picture frame be multiple lens frames in be located at most by thing side lens frame in the case of, due to the first lens frame 12 have extended surface 12D, so as to prevent binding agent packing space C to exposing on the outside of lens devices, therefore is preferred in aesthetic.

It should be noted that periphery inclined plane 12A has diameter towards from bearing surface 12B to reference plane 13A direction Become big gradient, if periphery inclined plane 12A is tilted towards following direction, can also be configured to can to carry out first saturating Arbitrary inclined gradient in the range of the mobile adjustment of picture frame 12, the direction is, by by the direction vertical with optical axis Z External force, produce by the first lens frame 12 in the direction of the optical axis towards reference plane 13A press direction power and make the first lens The position of frame 12 moves the direction of adjustment along reference plane 13A.

For example, example as shown in Figure 1 is like that, periphery inclined plane 12A can possess closer to reference plane 13A and optical axis Z The distance between bigger gradient.Fig. 7 shows the variation of lens devices 1.Like that, periphery is tilted example as shown in Figure 7 Face 12A can also possess closer to the distance between reference plane 13A and optical axis Z smaller gradient.No matter in Fig. 1 and Fig. 7 Which kind of in the case of, periphery inclined plane 12A has diameter towards becoming big from bearing surface 12B to reference plane 13A direction Gradient, thus as can by the first lens frame 12 towards reference plane 13A press and make the first lens frame 12 along reference plane The structure of 13A movements.

As shown in Fig. 2 in the present embodiment, holding frame 13 is the tubular for being configured to the component different from lens barrel main body 11 Component.Therefore, holding frame 13 is set to easy structure and manufacture is become easy.If it should be noted that holding frame 13 has It is standby：The reference plane 13A vertical with optical axis Z；And the bearing surface 12B of the first lens frame 12 is connected to reference plane 13A shape The cylinder portion 13B with the position of the periphery inclined plane 12A confrontation of the first lens frame 12 is extended under state, then can not also be used and mirror The different component of cylinder main body 11 and the part for being configured to lens barrel main body 11.

Hereinafter, the assembling procedure of lens devices 1 as described above is illustrated.In assembling lens device 1, lens dress Putting 1 is configured to make the axle center of lens barrel main body 11 to turn into vertical.Then, the second lens group L2 is kept to the insertion of lens barrel main body 11 Periphery the second lens frame 14, in a known manner to lens barrel main body 11 correct axle it is crooked, to cause optical axis Z and axle center one Cause, also, after position adjustment in the state of fixed.In this condition, holding frame 13 is fixed on lens barrel by screw 15 Main body 11.

Then, the first lens frame 12 is inserted to the holding frame 13 of lens barrel main body 11.Then, the abutting of the first lens frame 12 is made Face 12B is abutted with the reference plane 13A of holding frame 13, uses MTF (Modulation Transfer Function) measuring machine etc. To observe its measured value, image, while being pressed from both sides as shown in Figure 1 to each position adjustment opening P position adjustments for inserting shaft-like Have S and position adjustment clamp S is abutted and is moved forward and backward towards periphery inclined plane 12A, thus make the first lens frame 12 along optical axis Vertical direction moves and carries out position adjustment.

Next, after position adjustment terminates, inclining by position adjustment clamp S from each position adjustment opening P with periphery Inclined-plane 12A is abutted and has been carried out the state of position adjustment (the bearing surface 12B of the first lens frame 12 is pressed against the base of holding frame 13 Quasi- face 13A state) under, insert binder distributor T from the bonding opening Q (reference picture 2) of holding frame 13 and make ultraviolet Solidified resin is that binding agent is flowed into towards periphery inclined plane 12A.Then, binder distributor T is made to be left from bonding with opening Q, From the ultraviolet light bonded with opening Q irradiations ultraviolet light mechanism (not shown) within the set time.Here, such as Fig. 4 institutes Show, separated on the above-below direction in the space formed by the inner peripheral surface of periphery inclined plane 12A, extended surface 12D and holding frame 13 Ground sets binding agent packing space C1 and C2 respectively, the week of each binding agent packing space C1 and C2 combination in cylinder portion 13B Upwards position at three is disposed on 120 degree.

It should be noted that here, the surface of holding frame 13 can also be set to the metal for not being embodied as anodized Quality.In this case, reflected light, scattered light as caused by the inner peripheral surface of holding frame 13 are produced in binding agent packing space C, So as to promote the solidification of ultraviolet curable resin.That is, by making holding frame 13 turn into metal quality, thus, it is possible to be carried The effect of sliding shown in high Fig. 3, additionally results in effect as the solidification for promoting ultraviolet curable resin.

As described above, according to lens devices 1, inclined by the position adjustment opening P via holding frame 13 to periphery Inclined-plane 12A applies external force, the bearing surface 12B of the first lens frame 12 can pressed on to the same of the reference plane 13A of holding frame 13 When suitably carry out position adjustment, also, pass through the bonding with opening via holding frame 13 in the state of after holding position is adjusted Mouth Q flows into binding agent, thus, it is possible to which periphery inclined plane 12A and the cylinder portion 13B of holding frame 13 gap are filled out as binding agent Fill space C and suitably bond the first lens frame 12 and holding frame 13.It is high-precision therefore, it is possible to utilize easy structure Degree ground carries out position adjustment to lens frame and is adhesively fixed in holding frame.

It can also be set only at the position opposed with opening P and bonding opening Q of the position adjustment with holding frame 13 Periphery inclined plane 12A, but by setting outer as the present embodiment centered on optical axis Z and in the range of 360 degree of its periphery All inclined plane 12A, can accurately be carried out using the more easy structure for considering processing and positioning etc. to lens frame Position adjustment and be adhesively fixed in holding frame.

In addition, being that the first lens frame 12 is set to position adjustment object by the lens frame most by thing side in above-mentioned example And the lens frame of object is bonded, but above-mentioned example is not limited to, any lens frame that can also possess lens devices 1 is all It is configured to periphery inclined plane of the present utility model, also, the holding that the lens frame with above-mentioned periphery inclined plane will be kept Frame is configured to possess cylinder portion of the present utility model, and this tin portion surrounds periphery inclined plane and with the reference plane vertical with optical axis, and Have at the position opposed with periphery inclined plane and bond mouth and lens frame position adjustment mouthful.

For example, it is also possible to be followed successively by the first lens group, the second lens group, the 3rd lens group this three groups of structures from an object side Second lens group in apply structure of the present utility model.In this case, because the first lens group is present in thing side, therefore In the absence of the space for the power for applying optical axis direction from thing side, therefore, it is difficult to apply to press on lens frame into the power of reference plane.However, It can utilize the external force in the direction vertical with optical axis that lens frame is pressed on into reference plane as the utility model, therefore be effective 's.

Lens devices of the present utility model are not limited to above-mentioned embodiment, can be applied to digital camera, video camera, The various arbitrary camera dresses such as supervision camera, broadcasting camera, portable phone camera, tablet terminal camera, in-vehicle camera Put.In addition, the optical system for being installed on lens devices can be variable-power optical system or fixed-focus optical system, It can also be arbitrary group structure.Furthermore it is possible to which arbitrary piece number of each lens group of optical system more than a piece of will be constituted Constitute, each lens can use arbitrary material, shape.

More than, lens devices of the present utility model are described in detail, but the utility model is not limited to the above Example, various improvement, deformation can also be carried out in the range of objective of the present utility model is not departed from.

Claims (10)

1. a kind of lens devices, it is characterised in that

The lens devices possess：

Lens；

Lens frame, it keeps the periphery of the lens；And

Holding frame, its so that the reference plane vertical with the optical axis of the lens is connected to the lens frame and keeps the lens frame,

The lens frame has periphery inclined plane and the bearing surface abutted with the reference plane, the diameter court of the periphery inclined plane Become big to from the abutting towards the direction of the reference plane, the periphery inclined plane passes through by the side vertical with the optical axis To external force be vertical direction external force and the position of the lens frame is moved adjustment along the reference plane,

The holding frame has the cylinder portion for surrounding the periphery inclined plane, forms viscous between this tin portion and the periphery inclined plane Agent packing space is tied,

This tin portion at the position opposed with the periphery inclined plane have be set to binding agent filling bonding mouth opening and It is set to the opening of the lens frame position adjustment mouthful of the vertical direction external force imparting.

2. lens devices according to claim 1, it is characterised in that

The opening for being set to the cohesive mouth is equally spaced provided with multiple in the circumference of cartridge.

3. lens devices according to claim 2, it is characterised in that

The opening for being set to the cohesive mouth is arranged at intervals in the circumference of cartridge with 120 degree.

4. lens devices according to any one of claim 1 to 3, it is characterised in that

The opening for being set to the lens frame position adjustment mouthful is equally spaced provided with multiple in the circumference of cartridge.

5. lens devices according to claim 4, it is characterised in that

The opening for being set to the lens frame position adjustment mouthful is arranged at intervals in the circumference of cartridge with 120 degree.

6. lens devices according to any one of claim 1 to 3, it is characterised in that

The opening is that part different in the elongated hole with width, the circumference of the elongated hole is used separately as the cohesive mouth and described Lens frame position adjustment mouthful.

7. lens devices according to any one of claim 1 to 3, it is characterised in that

The binding agent packing space is in the circumferential discretely provided with multiple, corresponding with binding agent packing space each described The opening of the cohesive mouth is set at position.

8. lens devices according to any one of claim 1 to 3, it is characterised in that

The binding agent packing space in the direction of the optical axis discretely provided with multiple, with binding agent packing space pair each described The opening of the cohesive mouth is set at the position answered.

9. lens devices according to any one of claim 1 to 3, it is characterised in that

The lens devices possess multiple lens frames from thing side towards image side, and the plurality of lens frame is included, and there is the periphery to tilt The lens frame in face,

Lens frame with the periphery inclined plane is the lens frame being located at most by thing side in the multiple lens frame.

10. lens devices according to any one of claim 1 to 3, it is characterised in that

In the case where will be set to upward towards the direction of the bearing surface from the reference plane, the lens frame possesses from described The extended surface that the upper end of periphery inclined plane extends towards radial direction outside, the extended surface, the periphery inclined plane and institute State a portion and surround the binding agent packing space, thus only filled out from the opening for being set to the cohesive mouth to the binding agent packing space Fill binding agent.