CN110308534A - Connected structure - Google Patents

Abstract

The present invention provides one kind in simple structure in the comprehensive connected structure for obtaining high bond strength.It is opposite in two components (12,13) and pair opposite surface (28,31) on there is the hole (27,33) of opening, in the state that hole communicates with each other, the obturator (U) of fluid or powder is filled into the hole of both sides, and fix two components relatively by the obturator, the hole of two components be all be located remotely from opening side inside than opening side it is wide.

Description

Connected structure

Technical field

The present invention relates to the connected structures to the multiple components of fixation.

Background technique

In photographic device, in order to meet defined optical property, it is desirable that accurately wanted to optics such as lens very much The position of the related component of support of element is determined and installs.For example, although fixing for being screwed is able to carry out jail Solid fixation, be also difficult to manage but then because of position offset caused by torque when fixed etc..Then, it is filled in camera shooting More use through binder bonds during the part set is fixed.

Situation about being fixed by binder is divided into, and the contact to be contacted with each other by bonded part bonds, and is being bonded There are gap and in the gap the filling bonding of filling adhesive in position.The technology recorded in patent document 1 is, in order to improve The adhesion strength of the both sides in optical axis direction and the direction vertical with optical axis direction will bond part and be formed as each other with chamfering Comb teeth shape, and bonding is filled between comb teeth.

Adhesive structure as patent document 1 needs to implement the part of bonding complicated shape processing, spend cost and Labour.In addition, in recent years, since the requirement of the miniaturization to photographic device is strong, it is difficult to comfortably ensure bonded part and glue Tie region, therefore do not implement the leeway of complicated shape processing to part sometimes.Such problems is taken into account in strict demand It is particularly significant in the photographic device of the part bond strength of miniaturization and height, it is also deposited in the precision instrument other than photographic device In same problem.

[patent document 1]

(Japan) special open 2015-097325 bulletin

Summary of the invention

The present invention is completed based on problem above, and its purpose is to provide one kind to obtain in simple structure The connected structure of comprehensive high bond strength.

Technical solution of the present invention is related to a kind of joint construction, it is characterized in that it is opposite in two components and pair opposite surface on Hole with opening, in the state that hole communicates with each other, the obturator of fluid or powder is filled into the hole of both sides, and is passed through The obturator fixes two components relatively, and the hole of two components is all to be located remotely from the inside of opening side than opening Mouth side is wide.

A kind of the engagement knot of comprehensive high bond strength is obtained in simple structure in accordance with the invention it is possible to provide Structure.

Detailed description of the invention

It is the schematic diagram of the camera system of the photographic device for the composition present embodiment seen from left shown in Fig. 1.

It is the schematic diagram for the camera system seen from rear shown in Fig. 2.

It is the schematic diagram of camera system seen from above shown in Fig. 3.

Be shown in Fig. 4 include camera system compound lens barrel perspective view.

It is the schematic diagram for the compound lens barrel seen from rear shown in Fig. 5.

It is the schematic diagram for the compound lens barrel seen from left shown in Fig. 6.

It is the schematic diagram of compound lens barrel seen from above shown in Fig. 7.

It is the schematic diagram for the compound lens barrel seen from below shown in Fig. 8.

Perspective view when being the two lens barrels segmentation that will constitute compound lens barrel shown in Fig. 9.

It is the schematic diagram of two lens barrels after the segmentation seen from left shown in Figure 10.

It is the schematic diagram of two lens barrels after segmentation seen from above shown in Figure 11.

It is the schematic diagram of two lens barrels after the segmentation seen from below shown in Figure 12.

It is one front elevation of two lens barrels after segmentation shown in Figure 13.

It is one back view of two lens barrels after segmentation shown in Figure 14.

It is the front elevation for constituting the frame pedestal of lens barrel shown in Figure 15.

It is the back view of frame pedestal shown in Figure 16.

It is the perspective view for the frame pedestal seen from back side shown in Figure 17.

Perspective view when being the frame pedestal segmentation by two lens barrels shown in Figure 18.

It is the perspective view when being mounted with two shaft members of positioning on the frame pedestal of the lens barrel in front shown in Figure 19.

It is along the sectional view of the XX-XX line of Figure 15 and Figure 16 shown in Figure 20, (A) indicates the non-installation condition of shaft member, (B) installation condition of shaft member is indicated.

It is the sectional view along the XXI-XXI line of Fig. 5 shown in Figure 21.

It is the sectional view of the positioning mechanism of primary standard side shown in Figure 22.

It is the sectional view when front cover of photographic device being installed on lens barrel at the sectional position of Figure 21 shown in Figure 23.

It is along the sectional view of the XXIV-XXIV line of Figure 15 and Figure 16 shown in Figure 24, (A) indicates the non-installation shape of shaft member State, (B) indicate the installation condition of shaft member.

It is the sectional view along the XXV-XXV line of Fig. 5 shown in Figure 25.

It is the sectional view from the positioning mechanism of reference side shown in Figure 26.

It is the sectional view when front cover of photographic device being installed on lens barrel at the sectional position of Figure 25 shown in Figure 27.

It is the section of the error condition in the positioning mechanism from reference side, after shaft member is reversely assembled shown in Figure 28 Figure.

It is the schematic diagram for the frame pedestal being mounted in the state of front frame seen from back side shown in Figure 29.

It is the sectional view along the XXX-XXX line of Figure 29 shown in Figure 30.

It is with section shown in Figure 31 along the XXX-XXX line of Figure 29 come the frame pedestal seen and the perspective view of front frame.

It is the sectional view that adhesive structure is indicated after amplifying a part of Figure 30 shown in Figure 32.

It is the sectional view of the variation of adhesive structure shown in Figure 33.

It is the sectional view of the variation of adhesive structure shown in Figure 34.

It is the sectional view of the photographic device of present embodiment shown in Figure 35.

It is a diagrammatic illustration of the hardware configuration of the photographic device of present embodiment shown in Figure 36.

Specific embodiment

Hereinafter, being explained with reference to be applicable in the optical system of embodiments of the present invention and photographic device.This implementation The composition of the photographic device of mode is that have to assemble the ((Fig. 4 to figure of compound lens barrel 10 of Fig. 1 to Fig. 3) and composition of camera system 1 7) exterior member etc., and on compound lens barrel 10 is installed.Compound lens barrel 10 is by mutually isostructural lens barrel 11A and lens barrel 11B Symmetrically it is composed.The summary of camera system 1 is illustrated first, then compound lens barrel 10 is illustrated.Below Explanation in front, rear, top, and bottom, all directions such as left and right are all on the basis of arrow direction documented in each figure.

Camera system 12 wide angle lens systems (imaging optical system) A, B including the configuration that is mutually symmetrical, and to 2 Two image sensors AI, BI that the picture of wide angle lens system A, B is imaged.Each 2 wide-angle lens systems A, B and camera shooting pass Sensor AI, BI are identical specifications.Wide angle lens system A and B have the wide-angular field angle greater than 180 degree.Camera system 1 can be with It is to obtain the panorama type of the picture in the solid angle of 4 π radians by being synthesized to 2 pictures formed by image sensor AI, BI Camera system.

Wide angle lens system A, B from object side towards image side respectively successively include preceding group of AF, BF with negative magnifying power, With the 1st prism AP1, BP1 and aperture-variable diaphragm AS, BS and the 2nd prism AP2, BP2, and rear group with positive magnifying power AR, BR and the 3rd prism AP3, BP3.Preceding group of AF, BF have the function of light of the intake greater than 180 ° of high field angle, rear group AR, BR have to the corrected function of the aberration of image.Schematically shown in Fig. 2 aperture-variable diaphragm AS, BS。

In wide angle lens system A, preceding group of AF rearwards the object beam injected from front while dissipating to be penetrated Out.The preceding group of AF object beam injected is reflected 90 ° by the 1st prism AP1 to the left.Aperture-variable diaphragm AS is to the 1st prism AP1 The transmission amount of the object beam of reflection is adjusted (light quantity adjustment).Aperture-variable diaphragm AS is carried out light quantity by the 2nd prism AP2 Object beam adjusted reflects downwards 90 °.The 2nd prism AP2 object beam reflected is restrained one by group AR on one side afterwards While shooting down.3rd prism AP3 will reflect to the right 90 ° from the object beam of rear group of AR incidence, and in image sensor AI Imaging surface on be imaged.Preceding group of AF and rear group AR are consisted of multiple lenses.

In wide angle lens system B, preceding group of BF is forwardsed by the object beam injected from rear while dissipating is penetrated Out.The preceding group of BF object beam injected is reflected to the right 90 ° by the 1st prism BP1.Aperture-variable diaphragm BS is anti-to the 1st prism BP1 The transmission amount for the subject light beam penetrated is adjusted (light quantity adjustment).Aperture-variable diaphragm BS is carried out light quantity by the 2nd prism BP2 Object beam adjusted reflects downwards 90 °.The 2nd prism BP2 object beam reflected is restrained one by group BR on one side afterwards While shooting down.3rd prism AP3 will reflect to the left 90 ° from the object beam of rear group of BR incidence, and in image sensor BI Imaging surface on be imaged.Preceding group of BF and rear group BR are consisted of multiple lenses.

The mutual inclined-plane of 1st prism AP1 and the 1st prism BP1 is back-to-back close to configuration.In addition, wide-angle lens Image sensor AI, BI of system A, B are supported for the imaging surface of image sensor AI and take the photograph towards left, image sensor BI Image planes are towards right, and the back side (being the face of opposite side with imaging surface) of image sensor AI, BI are back-to-back.

In wide angle lens system A and wide angle lens system B, (injected the optical axis of preceding group of AF, BF as optical axis X1 respectively Optical axis).The optical axis of part is as optical axis until the reflecting surface to the reflecting surface of the 2nd prism AP2, BP2 of the 1st prism AP1, BP1 X2.Using the optical axis of rear group of AR, BR as optical axis X3.Until the reflecting surface to image sensor AI, BI of the 3rd prism AP3, BP3 Partial optical axis is as optical axis X4.Wide angle lens system A and wide angle lens system B is configured as mutual optical axis X1 and is located at coaxially It is upper and towards front-rear direction, and for perpendicular to optical axis X1 defined plane (wide angle lens system A, B opposite and to flat Face), preceding group of AF and preceding group of BF are configured as front and back symmetrically.

Optical axis X2, X3 and X4 of wide angle lens system A and optical axis X2, X3 and X4 of wide angle lens system B are located at above-mentioned phase To and in plane.More specifically, the optical axis X2 of the optical axis X2 and wide angle lens system B of wide angle lens system A are located at coaxial It is upper and towards left and right directions, the optical axis X4 of the optical axis X4 and wide angle lens system B of wide angle lens system A be located at it is coaxial upper and towards Left and right directions.In addition, the optical axis X3 on the optical axis X3 on group AR and rear group BR is separated and is parallel to each other in the lateral direction afterwards.

In this way, by wide angle lens system A, B it is opposite and to repeatedly and bending optical path in different directions in plane, It can ensure the optical path length of wide angle lens system A, B longlyer.In addition, can reduce relative to wide angle lens system A's Near object side lens (it is aftermentioned before group AF the 1st lens L1) and wide angle lens system B near the saturating of object side The distance between incoming position of maximum field of view's angle light of mirror (the 1st lens L1 of group BF before aftermentioned) is (between maximum field of view angle Distance) (in Fig. 1 indicate maximum field of view angle between distance).As a result, the big of image sensor AI, BI can be taken into account While miniaturization (slimming) of type and camera system 1, the lap for 2 images being bonded by calibration can be reduced That is parallax, so as to obtain the image of high-quality.

Compound lens barrel 10 is lens barrel 11A and the supports wide-angle lens to supports wide-angle lens system A and image sensor AI The lens barrel 11B of system B and image sensor BI is combined and is constituted.Lens barrel 11A and lens barrel 11B is identical shape (structure), And it can configure and combine in such a way that front and back each other is symmetrical.Each lens barrel is described in detail to reference is carried out after Fig. 4 11A,11B.In addition, lens barrel 11A and lens barrel 11B common constituent element is indicated with identical symbol.In addition, in each lens barrel In 11A, 11B, it will be set as " front " along the object side (object side) in the front-rear direction of optical axis X1, it will be relative to subject Side is that opposite side is set as " back side ".In lens barrel 11A, front is face side (object side), and rear is back side, in mirror In cylinder 11B, rear is face side (object side), and front is back side.

Lens barrel 11A and lens barrel 11B in present embodiment include imaging optical system (wide angle lens system A, B) and camera shooting Sensor (AI, BI), and be the camera unit that can separately obtain subject image.In each lens barrel 11A, 11B, It is by imaging optical system (wide angle lens system A, B) and directly or indirectly to keep each component of imaging optical system (aftermentioned Frame pedestal 12, front frame 13, rear group frame 14, the 3rd prism frame 15 etc.) part that constitutes is as optical system.

Lens barrel 11A, 11B are respectively provided with frame pedestal 12, front frame 13, rear group frame 14, the 3rd prism frame 15, sensor unit Unit 16.Frame pedestal 12, front frame 13, rear group frame 14, the 3rd prism frame 15 are formed respectively as formed products such as plastics.

In lens barrel 11A, frame pedestal 12 supports the 1st prism AP1, aperture-variable diaphragm AS and the 2nd prism AP2.Front frame AF is organized before 13 supports.Group frame 14 organizes AR after supporting afterwards.3rd prism frame 15 supports the 3rd prism AP3.Image sensor cell 16 is Made of image sensor AI and substrate 17 etc. are unitized.

In lens barrel 11B, frame pedestal 12 supports the 1st prism BP1, aperture-variable diaphragm BS and the 2nd prism BP2.Front frame BF is organized before 13 supports.Group frame 14 organizes BR after supporting afterwards.3rd prism frame 15 supports the 3rd prism BP3.Image sensor cell 16 is Made of image sensor BI and substrate 17 etc. are unitized.

As shown in Figure 15 to Figure 19, frame pedestal 12 have positive wall portion 20, positioned at positive 20 top of wall portion upper wall portions 21, Sidewall portion 22 and sidewall portion 23 positioned at positive 20 left and right side edge of wall portion.In addition, on the boundary of upper wall portions 21 and sidewall portion 22 Nearby there is angle wall portion 24, there is angle wall portion 25 in the near border of upper wall portions 21 and sidewall portion 23.

Positive wall portion 20 is the wall portion substantially with subject face, has the front openings 20a penetrated through along the longitudinal direction.Light Near the center that axis X1 passes through front openings 20a.As shown in figure 15, it is formed in the face side of positive wall portion 20 and is opened positioned at front Multiple (being in the present embodiment 3) front frame abutting parts 26 around mouth 20a.Each front frame abutting part 26 is towards just The plane of optical axis X1 is provided perpendicular on the protrusion outstanding of surface side.

In positive wall portion 20, it is viscous that multiple (being in the present embodiment 4) are also formed with around front openings 20a Knot uses hole 27.Each bonding hole 27 is length of the longitudinal direction towards the circular shape for showing the circumferencial direction centered on optical axis X1 greatly Hole, and positive wall portion 20 is penetrated through in the longitudinal direction.The engagement pair towards face side is formed with around each bonding hole 27 To face 28.Multiple bonding recess portions 29 are formed in the inside edge portion of front openings 20a.

As shown in figures 1 and 3, preceding group of AF and preceding group of BF are made of the 1st lens L1, the 2nd lens L2, the 3rd lens L3 respectively. As shown in Figure 30 and Figure 31, front frame 13 has the cricoid 1st maintaining part 13a for keeping the 1st lens L1, keeps the 2nd lens L2 The cricoid 2nd maintaining part 13b of (the illustration is omitted in Figure 30 and Figure 31), cricoid 3rd maintaining part for keeping the 3rd lens L3 13c。

It is by convex surface direction by the 1st maintaining part 13a of front frame 13 the 1st lens L1 kept as shown in Figure 30 and Figure 31 The diverging meniscus lens of object side, being formed with around the concave surface as outgoing plane relative to optical axis X1 is that vertically cricoid is flat Face L1a.The cricoid lens supports face 30 of supporting plane L1a is located at the face side of the 1st maintaining part 13a.In lens supports face 30 Back side have and the front of the positive wall portion 20 of frame pedestal 12 (including engaging opposite surface 28) it is opposite and pair engagement it is opposite Face 31, and multiple (being in the present embodiment 3) abutting parts 32 of the peripheral portion positioned at engagement opposite surface 31.Abutting part 32 exists It is provided perpendicular to the plane of optical axis X1 from engagement opposite surface 31 rearwardly side protrusion outstanding, is preceding group with frame pedestal 12 Frame abutting part 26 it is opposite and pair positional relationship.

The bonding hole of multiple (being in the present embodiment 4) is also formed in the 1st maintaining part 13a of front frame 13 33.Each bonding hole 33 is long hole of the longitudinal direction towards the circular shape for showing the circumferencial direction centered on optical axis X1 greatly, and The 1st maintaining part 13a is penetrated through in the longitudinal direction.30 side of lens supports face in bonding hole 33 is by the plane L1a of the 1st lens L1 Covering, engagement 31 side of opposite surface are opened.

As shown in Figure 30 to Figure 32, pass through connecing for the front frame abutting part 26 of the abutting part 32 and frame pedestal 12 of front frame 13 It touches (abutting), front frame 13 is just determined relative to the relative position in the front-back direction of frame pedestal 12.2nd maintaining part 13b and Diameter of the diameter of 3rd maintaining part 13c less than the 1st maintaining part 13a, and enter in front openings 20a.In this state, exist Between 2nd maintaining part 13b and the 3rd maintaining part 13c and front openings 20a there are centered on optical axis X1 towards radial direction Gap, and front frame 13 can carry out position adjustment (optics tune towards the direction vertical with optical axis X1 relative to frame pedestal 12 It is whole).After carrying out position adjustment, front frame 13 is fixed on frame pedestal 12 by bonding.The adhesive structure is illustrated.

As shown in figure 29, the state contacted in the abutting part 32 for making front frame 13 with the front frame abutting part 26 of base frames 12 Under from the point of view of back side when, the bonding hole 27 and bonding hole 33 at 4 positions are respectively communicated with.In addition, the 3rd of front frame 13 the protects Exposed by bonding recess portion 29 at the back side for holding portion 13c.In bonding hole 27, bonding hole 33 and bonding recess portion 29 respectively Filling adhesive, and by the solidification of binder come so that front frame 13 is fixed relative to frame pedestal 12.For example, to preceding group Frame 13 carried out in the stage of position adjustment, and the binder of ultraviolet hardening is filled in bonding recess portion 29 and is irradiated ultraviolet Line, to be fixed temporarily front frame 13.Then, the strong binder of cohesive force is filled in bonding hole 27 and bonding hole 33, is come Carry out final fixation.

Amplification indicates the cross section structure near bonding hole 27 and bonding hole 33 in Figure 32.Bonding has with hole 27 The wide width part 27b of face side (engagement 28 side of opposite surface) narrow width part 27a of opening, overleaf side opening, and it is located at narrow width part Tapered width portion 27c between 27a and wide width part 27b.Compared with narrow width part 27a, diameter of the wide width part 27b centered on optical axis X1 The length of width and circumferencial direction to direction will greatly (sectional area is big).From narrow width part 27a to wide width part 27b, width gradual change The width of the radial direction of portion 27c and the length of circumferencial direction are gradually increased (area of section increase).Therefore, as shown in figure 32, When section with the direction along optical axis X1 to observe bonding hole 27, the inner surface relative to narrow width part 27a and wide width part 27b It is parallel to optical axis X1, the inner surface of tapered width portion 27c is towards the bonding anti-dropout face 27d of the cone-shaped of back side extension.

Bonding hole 33 has the narrow width part 33a that overleaf side (engagement 31 side of opposite surface) is open, in face side (lens branch 30 side of support face) opening wide width part 33b, and the tapered width portion 33c between narrow width part 33a and wide width part 33b.With it is narrow Width portion 33a is compared, and the width of radial direction of the wide width part 33b centered on optical axis X1 and the length of circumferencial direction (will be cut greatly Area is big).From narrow width part 33a to wide width part 33b, the width of the radial direction of tapered width portion 33c and the length of circumferencial direction It is gradually increased (area of section increase).Therefore, as shown in figure 32, section in bonding hole 33 is observed with the direction along optical axis X1 When face, the inner surface relative to narrow width part 33a and wide width part 33b is parallel to optical axis X1, and the inner surface of tapered width portion 33c is court Back side extension cone-shaped bonding anti-dropout face 33d.

Each bonding is big than corresponding (being connected on front-rear direction) respectively bonding hole 33 with hole 27, bonds from the point of view of back side When with hole 27, the indirect vision in bonding hole 33 recognizes the engagement opposite surface 31 to front frame 13 (referring to Figure 29).In more detail For be exactly that the width of the radial direction in bonding hole 27 and bonding hole 33 centered on optical axis X1 is (upper in Figure 32 The width in lower direction) it is narrow width part 27a identical with wide width part 33b, narrow width part 33a is minimum, and wide width part 27b is maximum.In addition, each viscous Knot hole 27 is longer on the circumferencial direction centered on optical axis X1 (referring to Figure 29) compared with corresponding each bonding is with hole 33. By the difference of the size in bonding hole 27 and bonding hole 33, the position relative to frame pedestal 12 is being carried out to front frame 13 When adjustment, as long as the adjustment in prescribed limit, the bonding hole 33 of front frame 13 would not be shielded, relative to frame pedestal 12 Bonding hole 27 be connection.Therefore, it will be able to successfully inject binder with 33 side of hole to bonding from bonding with 27 side of hole. In addition, according to use bonding hole 27 and bonding hole 33 as bonding object structure, even if adjustment amount reach regulation with On, a part of narrow width part 33a is more than the range of narrow width part 27a, can also be filled from bonding hole 27 to bonding hole 33 viscous Tie agent.As a result, compared with protrusion to be inserted into hole to the structure bonded, can corresponding adjustment amount just become larger.In addition, such as Shown in Figure 32, in the state that abutting part 32 and front frame abutting part 26 contact, engagement opposite surface 28 and engagement opposite surface 31 it Between there is small gap in the longitudinal direction, bonding hole 27 and bonding hole 33 also pass through from the gap.

As shown in arrow T in Figure 32, the binder injected from the side wide width part 27b in bonding hole 27 passes through tapered width portion 27c and narrow width part 27a are flowed into bonding hole 33.It is clamped between lens supports face 30 and the plane L1a of the 1st lens L1 Thin sheet material (illustration omitted), by the sheet material, binder is blocked from bonding with the outflow in hole 33, and binder is just filled To the inside in bonding hole 33 and bonding hole 27.In addition, a part of binder can also extend according to the viscosity of binder To in the gap between engagement opposite surface 28 and engagement opposite surface 31.It is filled in the inside in bonding hole 33 and bonding hole 27 Binder because the time pass through or the imparting (such as heating) of energy and from state cured (the becoming solid) of fluid, and make base Seat frame 12 and the fixed adhesion of front frame 13.It is hypothetically shown in Figure 32 with double dot dash line and is filled into bonding hole 27 and bonding With the inside in hole 33 and the binder U of state that has cured.

By with all filling adhesive U in hole 33 obtaining that power is firmly fixed in bonding hole 27 and bonding, with light When effect has load in radial direction centered on axis X1 or the circumferencial direction centered on optical axis X1, it will be able to be reliably prevented The relative movement of frame pedestal 12 and front frame 13.

Further, apply relative to the frame pedestal 12 and front frame 13 that are adhesively secured as described above so that When load in this engagement opposite surface 28 and the isolated front-rear direction of engagement opposite surface 31, the binder U after solidification under state Both sides relative to bonding hole 27 and bonding hole 33 have the function of to touching (chimeric) and prevent separation.In more detail Be, bonding with hole 27 and bonding with hole 33 opposite each other and pair engagement opposite surface 28 and engagement 31 side (narrow width part of opposite surface 27a and narrow width part 33a) opening width it is small, be the schematic cross-sectional shape that will be engaged towards the front end portion of 2 positive and negative wedges. Correspondingly, being filled in bonding hole 27 and bonding with the binder U in hole 33 is also same schematic cross-sectional shape.

It therefore, will be by viscous when applying in front frame 13 from the load of the direction that frame pedestal 12 leaves (face side) Anti-dropout face 33d is tied to the load of the binder U effect same direction of solid state.Then, binder U relative to towards with it is viscous Knot anti-dropout face 33d is that the face of opposite side (back side) bonds anti-dropout face 27d as chock plays a role like that, thus It bears so that the load that front frame 13 leaves from frame pedestal 12.Opposite is also similarly, to apply frame pedestal 12 away from preceding When the load in the direction (back side) of group frame 13, phase will be acted on by binder U of the bonding anti-dropout face 27d to solid state Equidirectional load.Then, binder U is glued relative to towards with bonding anti-dropout face 27d for the face of opposite side (face side) Knot anti-dropout face 33d plays a role like that as chock, to bear so that the load that frame pedestal 12 leaves from front frame 13.

In this way, in the adhesive structure of present embodiment, among bonding hole 27 and bonding hole 33, using It is to be obtained between inclined bonding anti-dropout face 27d and bonding anti-dropout face 33d and binder U positive and negatively relative to front-rear direction Wedge effect.In other words, bonding hole 27 clips anti-dropout face 27d, engagement 28 side of opposite surface (lens barrel 11A, The face side of 11B) inside have relatively narrow shape, and leaving engagement opposite surface 28 the side (back side of lens barrel 11A, 11B Side) inside have wider shape.Similarly, bonding hole 33 clips anti-dropout face 33d, in engagement 31 side of opposite surface The inside of (back side of lens barrel 11A, 11B) have relatively narrow shape, and leave engagement opposite surface 31 side (lens barrel 11A, The face side of 11B) inside have wider shape.Then, applying so that front frame 13 and the isolated load of frame pedestal 12 When, the supporting for side (anti-dropout face 27d, 33d) to be narrowed by binder U towards bonding hole 27,33 respective inside is touched, just It can obtain firm anti-dropout effect.As a result, with only rely on binder U inner surface extended in the longitudinal direction it is narrow The case where bonding of portion 27a, 33a or wide width part 27b, 33b, is compared, and can be improved frame pedestal 12 and the bonding of front frame 13 is strong Degree.Since the adhesion strength in each bonding hole 27 and each bonding hole 33 is good, it will be able to realize with less bonded part With the fixation of bond area, to obtain the effect of the raising of space efficiency and the raising of lens barrel design freedom.Especially exist In the compound lens barrel 10 of present embodiment, as described later, since the back side in frame pedestal 12 is configured with the 1st prism to high-density AP1, BP1 and the 2nd prism AP2, BP2 etc., can be to save space and the effect that is adhesively fixed is just high securely to front frame 13.

In addition, the adhesive structure for fixed pedestal frame 12 and front frame 13 is not limited to above structure.Figure 33 and figure It is the variation of adhesive structure shown in 34.It is the bonding hole 127 and the bonding hole of front frame 13 of frame pedestal 12 shown in Figure 33 133 inner surface entirety is the cone to be narrowed with engagement opposite surface 28 with the close to each other of engagement opposite surface 31 by width respectively Bonding anti-dropout face 27e, 33e of shape is come the mode that constitutes.It is the bonding hole 227 and front frame 13 of frame pedestal 12 shown in Figure 34 Bonding hole 233 respectively instead of above-mentioned bonding anti-dropout face 27d, 33d and have the planar bonding vertical with optical axis X1 The mode of anti-dropout face 27f, 33f.These are constituted also because of bonding anti-dropout face 27e and bonding anti-dropout face 33e, bonding anticreep Falling face 27f and bonding anti-dropout face 33f and be directed towards respectively becomes a pair of anti-dropout contacted with binder U on the contrary each other Face, so effect identical with above-mentioned composition can be obtained.

Further, bonding hole 27 (Figure 32), the bonding hole 127 (figure of 12 side of frame pedestal can also will be set 33), bonding with hole 227 (Figure 34) and be arranged in the bonding of 13 side of front frame with hole 33 (Figure 32), bond use hole 133 (Figure 33), Bonding is suitably recombinated with hole 233 (Figure 34), and Lai Chengwei has a pair of of anticreep of asymmetrically shape in the longitudinal direction Fall the composition in face.

The bonding hole 27,127,227 of frame pedestal 12 and the bonding hole 33,133,233 of front frame 13 be all by The shaping dies demoulded on front-rear direction and the shape that can be easily manufactured.Therefore, it will be able to increase manufacturing cost In the case where be readily available frame pedestal 12 and front frame 13.

Then illustrate the structure of frame pedestal 12.As shown in Figure 16 to Figure 19, upper wall portions 21 are from the top of positive wall portion 20 Edge is supported or opposed the wall portion of surface side extension, is had as the upper surface of the part the upper surface of each lens barrel 11A, 11B portion 21a, and from upper surface portion A pair of of side surface part 21b, 21c that the left and right end portions of 21a extend downward.Upper wall portions 21 be by upper surface portion 21a, side surface part 21b and Side surface part 21c closes top and left and right directions, and is the shape of open groove profile towards lower section.

Sidewall portion 22 and sidewall portion 23 are located at the position than upper wall portions 21 more on the lower, and are from positive wall portion 20 Left and right directions side edge support or oppose surface side extension wall portion.From positive wall portion 20 to the part of sidewall portion 22 and from positive wall portion Curved shape made of 20 external surface shape to the part of sidewall portion 23 respectively along aftermentioned rear group frame 14.

Angle wall portion 24 and angle wall portion 25 are the wall portion substantially with front-rear direction face respectively, are come compared with positive wall portion 20 more In the position of backrest surface side.Angle wall portion 24 is prominent from the side surface part 21b of upper wall portions 21 to side, the top of lower end and sidewall portion 22 Connect.Angle wall portion 25 is prominent from the side surface part 21c of upper wall portions 21 to side, and lower end connects with the top of sidewall portion 23.Angle wall portion 24 and angle wall portion 25 by being that different multiple wall portions connect from extended direction, Lai Tigao support strength and be difficult to become Shape.

Frame pedestal 12 has the 1st prism maintaining part 35 and the 2nd prism maintaining part also on the back portion of positive wall portion 20 36.1st prism maintaining part 35 is the position for keeping the 1st prism AP1 or the 1st prism BP1 in the behind of front openings 20a. 2nd prism maintaining part 36 is the position for keeping the 2nd prism AP2 or the 2nd prism BP2.

1st prism maintaining part 35 has the upper wall 35a of the upper edge side positioned at front openings 20a and is located at front openings The lower wall 35b of the lower edge side of 20a.It is formed with longitudinal wall 35c outstanding downwards in one end of the left and right directions of upper wall 35a, One end of the left and right directions of lower wall 35b is formed with longitudinal wall 35d outstanding upwards.

The 1st prism AP1, BP1 is inserted between upper wall 35a, lower wall 35b, longitudinal wall 35c and longitudinal wall 35d.Each wall 35a, Between 35b, 35c, 35d and the 1st prism AP1, BP1 have gap, the 1st prism AP1, BP1 after being positioned using assembling fixture, It is fixed on by bonding in the 1st prism maintaining part 35.

As previously mentioned, under the completion status of compound lens barrel 10, the mutual inclined-plane of the 1st prism AP1 and the 1st prism BP1 It is back-to-back close to configuration.Therefore, the 1st prism maintaining part 35 is the inclined-plane for not covering the 1st prism AP1 and the 1st prism BP1 Back side and make its expose shape.

2nd prism maintaining part 36 is located at the side surface part 21b of upper wall portions 21 and the lower section of angle wall portion 24, has towards back side Support base 36a and relative to support base 36a rearwardly side supporting walls 36b outstanding.The side of 2nd prism AP2, BP2 and branch Support seat 36a contact.The inclined-plane of 2nd prism AP2, BP2 is contacted with supporting walls 36b.2nd prism AP2, BP2 is existed using assembling fixture Along being positioned on the direction on inclined-plane.Then, the 2nd prism AP2, BP2 after positioning is fixed on the holding of the 2nd prism by bonding In portion 36.

It is rear group of frame 14 under the free state not being installed on frame pedestal 12 shown in Figure 13.Such as Fig. 9, Figure 13, figure 14 it is equal shown in, rear frame 14 of organizing has substantially cylindric cylindrical portion 14a centered on the optical axis X3 vertically extended, structure The inside of cylindrical portion 14a is fixedly fastened at multiple lens of rear group of AR or rear group BR.Group frame 14 is also in cylindrical portion 14a afterwards Top have prism the cover 14b.It supports ring plate 14c prominent from cylindrical portion 14a to side, supports ring plate 14d from prism the cover 14b is protruded upwards.Companion flange 14e is formed in the lower end of cylindrical portion 14a.

As shown in Figure 16 to Figure 19, in the back side of frame pedestal 12, wall portion 24 and the 2nd prism maintaining part 36 at angle Lower section is formed with rear group of frame maintaining part 37.Group frame maintaining part 37 is the recess portion surrounded by positive wall portion 20 and sidewall portion 22 afterwards, is The shape for being located at the part of substantially half of face side among the cylindrical portion 14a of frame 14 is organized after receiving.In rear group of frame maintaining part 37 In the state of interior storage cylindrical portion 14a, prism the cover 14b covers the 2nd prism maintaining part 36 by frame pedestal 12 from back side A part of the 2nd prism AP2, BP2 of support.

It is formed with support base 38 in the side (lower section of the lower wall 35b of the 1st prism maintaining part 35) of rear group of frame maintaining part 37, Support base 39 is formed in the top of the 2nd prism maintaining part 36.Support base 38 and support base 39 are respectively provided with vertical with optical axis X1 Ring plain, and be formed with screw hole in the center of the ring plain.Frame 14 is organized after storing in rear group of frame maintaining part 37 In the state of cylindrical portion 14a, support ring plate 14c is contacted with support base 38, and support ring plate 14d is contacted with support base 39.It is supporting It is respectively formed with through hole (illustration omitted) in ring plate 14c and support ring plate 14d, it is solid by supporting the through hole of ring plate 14c to make Determine screw 40 and the screw hole of support base 38 screws togather, by supporting the through hole of ring plate 14d to make fixed screw 41 and support base 39 Screw hole screw togather.It is rear to organize frame 14 relative to frame pedestal 12 just to be positioned by being fastened and fixed screw 40 and fixed screw 41 State be fixed (referring to Fig.1 4).

In addition, at angle, the lower section of wall portion 25 is formed with rear group of frame receiving portion 42 in the back side of frame pedestal 12.Group frame is received afterwards Appearance portion 42 is the recess portion surrounded by positive wall portion 20 and sidewall portion 23, is to be located at back among the cylindrical portion 14a for organizing frame 14 after accommodating The shape of the part of the substantially half of surface side.It is rear to organize frame receiving portion 42 in the state of before lens barrel 11A and lens barrel 11B combination It is empty space (referring to Fig. 9, Figure 14).Also, when combining lens barrel 11A with lens barrel 11B, in the frame pedestal 12 of a side after Group frame 37 and rear group of frame receiving portion 42 in the frame pedestal 12 of another party are opposite and right in the longitudinal direction, to form the group by after The cylindrical portion 14a of frame 14 is housed in internal space.

3rd prism frame 15 has the prism supporting walls 15a being supported to the two sides of the 3rd prism AP3, BP3 and inclined-plane, And each 3rd prism AP3, BP3 are fixed on the 3rd prism frame 15 by bonding.It is provided with and connects on the top of the 3rd prism frame 15 Flange 15b.Companion flange 15b can be chimeric with the companion flange 14e of rear group of frame 14 from below.It is carried out under the chimerism Positioning, the 3rd prism frame 15 are fixed on rear group of frame 14 by bonding.

In image sensor cell 16, edge part in the front-back direction is provided with a pair of of tabling piece 43.A pair of of tabling piece 43 is chimeric with the recess portion in the prism supporting walls 15a for being formed in the 3rd prism frame 15, and is fitted by this to determine image sensor Position of the unit 16 for the 3rd prism frame 15.Image sensor cell 16 is fixed on the 3rd prism frame 15 by bonding.? Under the stationary state, the imaging surface of image sensor AI, BI are the direction vertical with optical axis X4, the imaging surface of image sensor AI It is opposite and right with the outgoing plane of the 3rd prism AP3, the outgoing plane of the imaging surface of image sensor BI and the 3rd prism BP3 it is opposite and It is right.

Image sensor cell 16 includes the substrate 17 for having image sensor AI, BI in single-face side.Substrate 17 is substantially Rectangle, in the state of relative to the 3rd prism frame 15 to fix image sensor cell 16, the length direction of substrate 17 is towards upper Lower direction, the short side direction of substrate 17 is towards front-rear direction.In addition, the plate thickness direction of substrate 17 is towards left and right directions.In substrate 17 lower end is equipped with the connector 17a for connecting the control circuit (illustration omitted) of photographic device.Connector 17a is matched Set in substrate 17 be arranged image sensor AI, BI phase the same side face on.

By each component more than combination, each lens barrel 11A and lens barrel 11B is just completed.Fig. 9 to Figure 12 is shown The state that lens barrel 11A and lens barrel 11B is divided, Figure 13 and Figure 14 show single lens barrel 11A and 11B.By these figures it is found that Each lens barrel 11A is identical with the structure of lens barrel 11B.

As shown in Figure 10, lens barrel 11A and lens barrel 11B is in addition to a part of respective preceding group of AF, BF and front frame 13 is just It is the size in the front-back direction being accommodated in the width of the short side direction of substrate 17 in surface side except position outstanding.By making Use multiple prisms as in the plane perpendicular to optical axis X1 (wide angle lens system A, B opposite and in plane) make optical path Curved bending optical system constitutes wide angle lens system A, B, is achieved that this lens barrel 11A and the lens barrel 11B in front and back Upward slimming.

By the way that mutually isostructural lens barrel 11A and lens barrel 11B is opposite to (from Fig. 9 to figure in such a way that front and back is symmetrical 12), and in the longitudinal direction make lens barrel 11A and lens barrel 11B close to Fig. 4 to combine, is just become to completion status shown in Fig. 8 Under compound lens barrel 10.As shown in Fig. 9 to Figure 12, lens barrel 11A and lens barrel 11B have and in the longitudinal direction close To the structure that mutual concavo-convex portion is combined, can be combined well with space efficiency.

Here, setting is hung down comprising optical axis X1 and in the imaginary plane Q1 (Fig. 5) extended up and down, and relative to imaginary plane Q1 Directly pass through the imaginary plane Q2 (Fig. 5) of the lower end of frame pedestal 12.In lens barrel 11A, by the 1st prism AP1 be bent after from The optical path of 2nd prism AP2 to image sensor AI is by centralized configuration in the region on the left side of imaginary plane Q1.In lens barrel 11B, Optical path after being bent by the 1st prism BP1 from the 2nd prism BP2 to image sensor BI is by centralized configuration imaginary plane Q1's In the region on the right.As is illustrated by figs. 11 and 12, on the left side of imaginary plane Q1, the constituent element of lens barrel 11A is from frame pedestal 12 Rearward protrude, and the constituent element of lens barrel 11B does not protrude forwards from frame pedestal 12.Similarly, on the right side of imaginary plane Q1 The constituent element on side, lens barrel 11B protrudes forwards from frame pedestal 12, and the constituent element of lens barrel 11A not from frame pedestal 12 backward Side is prominent.Therefore, when being combined to lens barrel 11A and lens barrel 11B, rear group of frame 14 of the side lens barrel 11A, the 3rd prism frame 15 and Image sensor cell 16 and rear group of frame 14 of the side lens barrel 11B, the 3rd prism frame 15 and image sensor cell 16 are non-interference It is symmetrically arranged side by side that ground clips imaginary plane Q1.

In addition, being passed through by the 1st prism AP1, BP1 by left right distributive object beam in wide angle lens system A, B Reflection at 3rd prism AP3, BP3 travels upwardly in the side of imaginary plane Q1 close to each other and injects image sensor AI.Its As a result, between the side the lens barrel 11A image sensor cell 16 on left and right directions and the side lens barrel 11B image sensor cell 16 Interval becomes close, has especially between bottom plate 17 and clips imaginary plane Q1 and carry out close relationship.Then, in each lens barrel 11A, 11B In left and right directions center portion region in, the top of imaginary plane Q2 be configured with the 1st prism AP1, BP1, in imagination The lower section of plane Q2 configures 2 image sensor cells 16 with back-to-back relationship.In addition, due to the substrate of the side lens barrel 11A The substrate 17 of the side 17 and lens barrel 11B is the writing board shape substantially parallel with imaginary plane Q1 respectively, and ensures have between each other Gap on left and right directions, so will not occur both sides' when making lens barrel 11A and lens barrel 11B is close in the longitudinal direction The interference of substrate 17.

Since the mutual inclined-plane of the 1st prism AP1 and the 1st prism BP1 is back-to-back close to configuration, 2 prisms are again It is relationship arranged side by side in the longitudinal direction, so substantially shared thickness in the front-back direction is roughly equivalent to a prism (ginseng According to Fig. 3).In addition, the image sensor cell 16 of lens barrel 11A and the image sensor cell 16 of lens barrel 11B are in front and back It is in roughly the same position upwards, is coordination in the lateral direction, as long as having storage substantially 1 in the longitudinal direction The space of the width of the short side direction of substrate 17, it will be able to which 2 image sensor cells 16 are received into the 1st prism AP1, BP1 Lower section.Therefore, lens barrel 11A and the respective constituent element of lens barrel 11B (rear group frame 14 and the 3rd prism frame 15) are not only in coverlet Near the two edges of the left and right directions solely configured, even mutual constituent element (the 1st prism of lens barrel 11A and lens barrel 11B AP1, BP1, image sensor cell 16) overlapped left and right directions center nearby, also can will in the front-back direction thickness Degree inhibits smaller.

As described above, compound lens barrel 10 is in front and rear, left and right, upper and lower all directions, the structure of lens barrel 11A and lens barrel 11B It is that space efficiency configures well each other at element, to come while there are 2 lens barrel 11A and lens barrel 11B real Existing compact structure.

As described above, lens barrel 11A and lens barrel 11B are on front and back symmetrically configures, by approaching in the longitudinal direction Come what is combined.Here, lens barrel 11A and lens barrel 11B needs optical system (wide angle lens system A, B) mutual direction appropriate, and It is combined with stable positional relationship.It is specifically exactly to need along the positioning on optical axis X1 front-rear direction, and along Perpendicular to the positioning on the in-plane (direction up and down) of optical axis X1.In addition, having 2 optical systems (wide to play Minus lens system A, B) camera system 1 effect, (more particularly as including after to lens barrel 11A and lens barrel 11B combination The camera system 1 of wide angle lens system A, B is after the calibration), high bond strength is needed so that lens barrel 11A and lens barrel Relative positional relationship between 11B will not change because of external force etc..

Firstly, being illustrated to the locating structure of lens barrel 11A and lens barrel 11B in the longitudinal direction.In frame pedestal 12 The back side of angle wall portion 24 is equipped with abutment surface 50, and at angle, the back side of wall portion 25 is provided with abutment surface 51.As from angle wall portion 24 The end face of cylindric protrusion 52 outstanding forwards, backwards and be formed with abutment surface 50, as from the cylinder outstanding forwards, backwards of angle wall portion 25 The end face of shape protrusion 53 and be formed with abutment surface 51.Abutment surface 50 and abutment surface 51 are all the flat of the annular shape vertical with optical axis X1 Face, and there is the phase symmetrical shape in front and back each other.

Axis is formed with towards screw hole 54 in the front-back direction in the inside of protrusion 52.The end of the back side of screw hole 54 In 50 upper opening of abutment surface, the end of opposite face side is closed.It is formed in the inside of protrusion 53 in front-rear direction The screw insertion hole 55 of upper perforation.

Fig. 9 to Figure 12 shows the abutment surface 50 and the abutment surface 51 with the side lens barrel 11B respectively of abutment surface 51 of the side lens barrel 11A It is opposite with abutment surface 50 and pair state.When lens barrel 11A and lens barrel 11B is close in the longitudinal direction with this positional relationship, Abutment surface 50 and abutment surface 51 contact (abutting) separately from each other, to determine lens barrel 11A and lens barrel 11B in the longitudinal direction opposite Position.Abutment surface 50 and abutment surface 51 are the planes being parallel to each other under the contact condition, and are mutual under contact condition Symmetrical shape.By, come fixed lens barrel 11A and lens barrel 11B, just becoming mirror with the contact condition of abutment surface 50 and abutment surface 51 The compound lens barrel 10 that position precision on the front-rear direction of cylinder 11A and lens barrel 11B is managed.

As the mechanism of fixed lens barrel 11A and lens barrel 11B, screw is used to fix.Screw is fixed, is from front It screws togather the screw insertion hole 55 of fixed screw (not shown) insertion lens barrel 11A and with the screw hole of lens barrel 11B 54, and from rear It screws togather the screw insertion hole 55 of fixed screw (not shown) insertion lens barrel 11B and with the screw hole of lens barrel 11A 54.Pass through fastening Each fixed screw, lens barrel 11A and lens barrel 11B just become fixed relationship each other.

Frame pedestal 12 in each lens barrel 11A, 11B keeps multiple prisms (the 1st prism AP1, BP1, the 2nd prism AP2, BP2), It and then is also the assembling object of front frame 13 or rear group frame 14, and the component of the support benchmark as all optical elements.Cause This, since the assembly precision of frame pedestal 12 generates king-sized influence to optical property, having on frame pedestal 12 becomes The abutment surface 50,51 of the opposite position reference of the front-rear direction of each lens barrel 11A, 11B.

Near the two edges for the left and right directions that abutment surface 50 and abutment surface 51 are respectively set at frame pedestal 12, in frame pedestal In 12 size limitation, mutual distance is guaranteed to maximum limit.In this way, becoming the 2 of position reference by increasing The distance of a abutment surface 50,51 can be effectively prevented the mutual inclination of 2 frame pedestals 12, so as to improve each lens barrel The positioning accuracy of 11A, 11B.As shown in figure 14, abutment surface 50 is matched using the space of the inclined-plane behind of the 2nd prism AP2, BP2 It sets, so space efficiency is good.In addition, rear group of frame maintaining part 37 for protect to rear group of frame 14 this is arranged in abutment surface 50 Top, abutment surface 51 be arranged in from back side cover after organize frame 14 rear group of frame receiving portion 42 top.Therefore, it can will support and touch Face 50,51 be configured to not in 12 back side of frame pedestal for being maintained at both sides rear group of AR, BR or the 1st prism AP1, BP1 with And the 2nd the holding position of prism AP2, BP2 overlap, and the interval of abutment surface 50 and abutment surface 51 can be widened to match It sets.

Due to the angle wall portion 24 with abutment surface 50 and the angle wall portion 25 with abutment surface 51 all with upper wall portions 21 or side wall Being connected towards different multiple wall portions near portion 22,23, therefore have the rigidity of height while as writing board shape.Cause This, the face precision of abutment surface 50 and abutment surface 51 is high, and the angle wall portion 24,25 when abutment surface 50,51 contacts with each other will not generate Deformation, is able to carry out high-precision positioning.

In addition, as shown in figure 5, the protrusion 52 with abutment surface 50 and the protrusion 53 with abutment surface 51 are relative to optical axis X1 It configures in position substantially symmetric in the lateral direction.It is easy to generate front-rear direction in the left and right sides of optical axis X1 as a result, equal Even positioning accuracy is particularly conducive to ensure to be arranged in the position essence of preceding group of AF, BF or the 1st prism AP1, BP1 on optical axis X1 Degree.In addition, enabling to lens barrel 11A and lens barrel since the positioning accuracy of abutment surface 50,51 and the stability of positioning are high 11B is combined non-interferencely.

For example, when combining lens barrel 11A and lens barrel 11B, for rear group of frame receiving portion of the back side of each frame pedestal 12 42, the cylindrical portion 14a for constituting the rear group of frame 14 of lens barrel 11A, 11B of other side side enters, also, cylindrical portion 14a (organizing AR, BR afterwards) It is located between each rear group frame maintaining part 37 and each rear group frame receiving portion 42 opposite and to relationship.At this point, to rear group of AR The rear group of frame 14 (rear group of frame 14 of the side lens barrel 11A) kept passes through rear group of frame being arranged in the base frames 12 of lens barrel 11B Receiving portion 42 is covered from back side (rear), but since rear group of frame receiving portion 42 of the side lens barrel 11B is not and behind the side lens barrel 11A Group frame 14 contact (there is gap in the front-back direction), so rear group of frame 14 of the side lens barrel 11A just maintains and be properly positioned in mirror The state in rear group of frame maintaining part 37 in cylinder 11A base frames 12.At this point, the rear group of 14 (lens barrel of frame kept to rear group of BR Rear group of frame 14 of the side 11B) by rear group of frame receiving portion 42 being arranged in the base frames 12 of lens barrel 11A from back side (front) come Covering, but (there is front-rear direction since rear group of frame receiving portion 42 of the side lens barrel 11A is not contacted with rear group of frame 14 of the side lens barrel 11B Gap), so rear group of frame 14 of the side lens barrel 11B just maintains rear group of frame being properly positioned in lens barrel 11B base frames 12 State in maintaining part 37.In this way, being positioned since mutual frame pedestal 12 passes through abutment surface 50,51 by stabilization, accurately, institute With the rear group of frame receiving portion 42 relative to each frame pedestal 12, it will be able to each rear group frame 14 be made uninterruptedly to be received into position appropriate In.

Abutment surface 50 and abutment surface 51 are the plane vertical with optical axis X1 respectively, and are mutually symmetrical in the longitudinal direction Shape.Therefore, when lens barrel 11A and lens barrel 11B are approached in the longitudinal direction along optical axis X1, abutment surface 50 and abutment surface 51 are connect When touching, in the case where not generating extra component, can be reliable and it be accurately proceed the positioning on front-rear direction.

Protrusion 52 with abutment surface 50 and the protrusion 53 with abutment surface 51 are all by demoulding in the longitudinal direction Shaping dies and the shape that can be easily manufactured.Therefore, it will be able to easily be obtained in the case where rising manufacturing cost Obtain frame pedestal 12.

In the state that abutment surface 50,51 contacts when fixed lens barrel 11A and lens barrel 11B, upper wall portions 21 in frame pedestal 12, Sidewall portion 22 and sidewall portion 23 are combined with each other, and form the outer wall section of continuous compound lens barrel 10 in the longitudinal direction.More in detail It is exactly for thin, in the upper surface of compound lens barrel 10, the edge part of the upper wall portions 21 (upper surface portion 21a) of lens barrel 11A and lens barrel 11B It adjoins one another.In the left side of compound lens barrel 10, the sidewall portion 23 of the edge part and lens barrel 11B of the sidewall portion 22 of lens barrel 11A Edge part connects.In the right side of compound lens barrel 10, the edge part of the sidewall portion 23 of lens barrel 11A and the sidewall portion 22 of lens barrel 11B Edge part connect.This few edge part is in order to not influence the front-rear direction generated by the contact with abutment surface 51 of abutment surface 50 On positioning accuracy, be to make on front-rear direction there is small gap to come in the state that abutment surface 50 and abutment surface 51 contact It is opposite and pair.Then, it in each edge part of upper wall portions 21, sidewall portion 22 and sidewall portion 23, is provided with even if there are gaps It is also possible to prevent the light-shielding structure that external next harmful light enters in compound lens barrel 10.

Specifically it is exactly, as shown in Figure 16 and Figure 17, in the edge part of upper surface portion 21a, in combination lens barrel 11A and mirror When cylinder 11B, rib 21d, 21e are equipped with the positional relationship being mutually overlapped in the up-down direction.In sidewall portion 22 and sidewall portion In 23 edge part, when combining lens barrel 11A and lens barrel 11B, it is equipped with the positional relationship being mutually overlapped in the lateral direction Rib 22a, 23a.Pass through the respective overlapping of rib 21d and rib 21e, rib 22a and rib 23a, it will be able to which blocking comes from External light.In addition, being continuously provided with side surface part 21c more prominent than upper surface portion 21a as shown in Fig. 7, Figure 11, Figure 17 etc. To the rib 21f of back side.When being combined to lens barrel 11A and lens barrel 11B, rib 21f be in the lateral direction with other side side The positional relationship of a part overlapping of side surface part 21b (referring to Fig. 7)., the energy overlapping with side surface part 21b by rib 21f Enough blockings are from external light.

As described above, the relative position of lens barrel 11A and lens barrel 11B in the longitudinal direction passes through abutment surface 50 and abutment surface 51 Contact determined, in the position other than abutment surface 50 and abutment surface 51, ensure there is defined gap in the longitudinal direction.

The upper wall 35a and lower wall 35b of 1st prism maintaining part 35 are respectively perpendicular to optical axis X1 towards the edge part of back side Plane and be parallel to the plane of optical axis X1 continuously stair-stepping shape.When combining lens barrel 11A and lens barrel 11B, one side The stepped edges portion of upper wall 35a and the lower wall 35b of another side are opposite and right in the longitudinal direction with slight play.In front and back Excessive load is applied (towards making the excessive of lens barrel 11A and lens barrel 11B direction of closing to lens barrel 11A and lens barrel 11B on direction Load) when, mutual upper wall 35a and mutual lower wall 35b edge part contact after be just able to bear load.That is, Part by the opposite of upper wall 35a and lower wall 35b pair is used as the abutment surface of auxiliary, disperses between lens barrel 11A and lens barrel 11B Load, it will be able to ensure the whole intensity of compound lens barrel 10.Since upper wall 35a and the mutual edge part lower wall 35b make vertically It is opposite and right in the plane of optical axis X1, when the plane contact, unwanted component would not be generated, can reliably bear to bear Lotus.Especially, the position for being provided with the 1st prism maintaining part 35 is significantly separated abutment surface 50 and to touching in the lateral direction It near the centre in face 51, and is also the holding position for having the 1st prism AP1, BP1 of larger impact to optical property.Therefore, exist Load is auxiliarily born by the 1st prism maintaining part 35 of front and back in the position, helps to the integral strength of compound lens barrel 10 Raising and optical property ensure.

As described above, when being combined to lens barrel 11A and lens barrel 11B, it is opposite in the longitudinal direction and pair rear group of frame protect Hold the cylindrical portion 14a that frame 14 is organized after can storing in the space between portion 37 and rear group frame incorporating section 42.In the back of frame pedestal 12 Surface side is formed with rear group of frame facing portion 56 (referring to Fig.1 6 to Figure 19) in rear group of frame maintaining part 37.Group frame facing portion 56 is afterwards The plane vertical with optical axis X1.As shown in figure 13, afterwards group frame 14 it is opposite with rear group of frame maintaining part 37 of frame pedestal 12 and pair There is opposite direction protrusion 14f in face side.Opposite protrusion 14f is set in the state that rear group of frame 14 is assembled on frame pedestal 12 Set it is opposite with rear group of frame facing portion 56 of frame pedestal 12 and pair position in.In design, opposite protrusion 14f and rear group frame are opposite Portion 56 is configured to contact.If in the presence of so that opposite direction protrusion 14f organizes the isolated trueness error in frame facing portion 56 with rear, in base It is inserted into soft component between seat frame 12 and rear group frame 14 to come to the rear group of application of frame 14 plus force, it will be able to so that opposite protrusion 14f is steadily contacted with rear group of frame facing portion 56.Specifically be exactly, behind the side lens barrel 11A organize frame 14 opposite protrusion 14f from When opening rear group of frame facing portion 56, if the internal surface configurations in rear group of frame receiving portion 42 of the frame pedestal 12 of the side lens barrel 11B are soft Component, it will be able to the rear group of frame 14 of lens barrel 11A is exerted a force forwards, so that opposite direction protrusion 14f and rear group frame pair It is contacted to portion 56.It so, it is possible the position that frame 14 is organized after each lens barrel 11A, 11B are accurately managed.In addition, the rear group of frame 14 Positioning lens barrel 11A, 11B entirety that abutment surface 50 and abutment surface 51 will not be interfered to carry out positioning.

Then, the construction of the positioning towards lens barrel 11A and lens barrel 11B perpendicular to the direction optical axis X1 is illustrated.? The 1st hole 60 and the 2nd hole 61 are formed on the respective frame pedestal 12 of lens barrel 11A and lens barrel 11B.From angle wall portion 24 forward and backward The inside of the protrusion 62 of cylindrical shape outstanding is formed with the 1st hole 60, outstanding cylindric forward and backward from angle wall portion 25 The inside of protrusion 63 is formed with the 2nd hole 61.Protrusion 62 is located at 52 top of protrusion with abutment surface 50, and protrusion 63, which is located to have, supports Meet the top of 51 protrusion 53.1st hole 60 and the 2nd hole 61 are all the through holes for penetrating through frame pedestal 12 in the longitudinal direction.1st Hole 60 and the 2nd hole 61 are arranged on relative to comprising optical axis X1 and imaginary plane Q1 extended in the vertical direction (Fig. 5) is big Cause symmetrical position (positive and negative for roughly equal distance in the lateral direction since imaginary plane Q1) inner.

1st hole 60 has the round hole portion 60a and long hole portion 60b being connected in the longitudinal direction.Round hole portion 60a is located at base The back side of seat frame 12, long hole portion 60b are located at the face side of frame pedestal 12.Round hole portion 60a is that have with towards front-rear direction Axis centered on cylindric inner peripheral surface round hole.Long hole portion 60b is by longitudinal direction towards left and right directions (round hole The radial direction of portion 60a) long hole, and it is internal have it is opposite in the up-down direction and pair the parallel plane 60c of a pair.Respectively Plane 60c is face parallel with optical axis X1, X2 and X4 and vertical with optical axis X3.A pair of of plane 60c is formed in relative to round hole The axis of portion 60a is in position symmetrical above and below.As shown in Figure 22 and Figure 26, (a pair is flat for the up and down direction width of long hole portion 60b The interval of face 60c) K2 is less than the internal diameter K1 of round hole portion 60a.In addition, the length M2 of the long hole portion 60b on front-rear direction is wanted Greater than the length M1 of the round hole portion 60a on front-rear direction.

2nd hole 61 has the small-bore hole portion 61b of round hole portion 61a being connected in the longitudinal direction.Round hole portion 61a is located at The back side of frame pedestal 12, small-bore hole portion 61b are located at the face side of frame pedestal 12.Round hole portion 61a and small-bore hole portion 61b It is the round hole with the cylindric inner peripheral surface centered on towards same axis in the front-back direction respectively, and mutual interior Diameter is different.As shown in Figure 22 and Figure 26, the internal diameter K4 of small-bore hole portion 61b is less than the internal diameter K3 of round hole portion 61a.In addition, The length M3 of round hole portion 61b on front-rear direction is greater than the length M4 of the small-bore hole portion 61b on front-rear direction.

In the relationship in the 1st hole 60 and the 2nd hole 61, the internal diameter K3 of the internal diameter K1 of round hole portion 60a and round hole portion 61a are big Cause equal, the internal diameter K4 of the up and down direction width K2 of long hole portion 60b and small-bore hole portion 61b are roughly equal.In addition, front-rear direction On length be successively from big to small the length M3 of round hole portion 61a, the length M2 of long hole portion 60b, round hole portion 60a length The length M4 of M1, small-bore hole portion 61b.

The entire length in the 1st hole 60 on front-rear direction and the entire length in the 2nd hole 61 are roughly the same.In addition, the 1st hole 60 There is the cone being gradually reduced from the side round hole portion 60a to the side long hole portion 60b internal diameter between round hole portion 60a and long hole portion 60b Shape portion.The entire length in the 1st hole 60 also includes the length of the tapered portion.

Shaft member 65 and shaft member 66 are inserted into the 1st hole 60 and the 2nd hole 61 of the respective frame pedestal 12 of lens barrel 11A, 11B. Shaft member 65 and shaft member 66 are metal.Amplification indicates shaft member 65 and shaft member 66 respectively in Figure 22 and Figure 26.

Shaft member 65 has the axle portion 65a and axle portion 65b arranged in the longitudinal direction, and is located at axle portion 65a and axle portion Flange 65c between 65b.Axle portion 65a and axle portion 65b has the cylindrical shape centered on towards same axis in the front-back direction Outer peripheral surface, and mutual outer diameter is roughly equal.The diameter of flange 65c is greater than the outer diameter of axle portion 65a and axle portion 65b, is from axis The outer peripheral surface of portion 65a and axle portion 65b cyclic annular position outstanding.

The length of axle portion 65a and axle portion 65b in the longitudinal direction is equal to each other, than the round hole portion 60a's in the 1st hole 60 Length M1 is more slightly shorter.In addition, since axle portion 65a and axle portion 65b are to clip flange 65c and in axial direction symmetrical shape (outer diameter and length are all equal), so even if will invert to come so that axle portion 65a is towards rear, axle portion before and after the shaft member 65 of diagram 65b towards front is configured and identical structure.

The outer diameter of axle portion 65a and axle portion 65b and the internal diameter K3 of the internal diameter K1 and round hole portion 61a of round hole portion 60a are big It causes equal.It is in more detail exactly that the outer diameter of axle portion 65a and axle portion 65b are set to, axle portion more slightly bigger than internal diameter K1, K3 65a and axle portion 65b can be inserted into relative to round hole portion 60a and round hole portion 61a with the state being gently pressed into.

Shaft member 66 has the heavy caliber axle portion 66a and osculum diameter section 66b arranged in the longitudinal direction, and is located at big Flange 66c between bore axle portion 66a and osculum diameter section 66b.Heavy caliber axle portion 66a and osculum diameter section 66b has with court Cylindric outer peripheral surface centered on same axis forward and backward, and the outer diameter of heavy caliber axle portion 66a is greater than osculum The outer diameter of diameter section 66b.In addition, length is osculum diameter section 66b bigger than heavy caliber axle portion 66a in the front-back direction.

Heavy caliber axle portion 66a also has the bottom end 66d of close flange 66c and the front end 66e far from flange 66c, bottom The outer diameter of end 66d is slightly more than the outer diameter of front end 66e.The heavy caliber axle portion that bottom end 66d and front end 66e are constituted together The front-rear direction length of 66a entirety is bigger than the length M4 of the length M1 of round hole portion 60a and small-bore hole portion 61b, than long hole portion The length M3 of the length M2 of 60b and round hole portion 61a are small.In addition, the length of bottom end 66d in the longitudinal direction is greater than front end The length of portion 66e.

Osculum diameter section 66b also has the bottom end 66f of close flange 66c and the front end 66a far from flange 66c, bottom The outer diameter of end 66f is slightly larger than the outer diameter of front end 66a.The osculum diameter section that bottom end 66f and front end 66a are constituted together The front-rear direction length of 66b entirety is distinguished slightly bigger than the length of the length of the 1st hole entirety and the 2nd hole entirety.In addition, bottom end The length of portion 66f in the longitudinal direction is greater than the length of front end 66g.The length of bottom end 66f is longer than round hole portion 60a's The length M4 for spending the length M2 and small-bore hole portion 61b of M1, long hole portion 60b is big, and the length M3 than round hole portion 61a is slightly smaller by one Point.The length of front end 66g is more slightly bigger than the length M4 of small-bore hole portion 61b, and the length M1 than round hole portion 60a is slightly smaller by one Point.

The internal diameter K3 substantially phase of the outer diameter of heavy caliber axle portion 66a and the internal diameter K1 and round hole portion 61a of round hole portion 60a Deng.It is in more detail exactly that the outer diameter of the bottom end 66d in heavy caliber axle portion 66a is set to more slightly larger than internal diameter K1, K3 one Point, the outer diameter of front end 66e are set to more slightly smaller than internal diameter K1, K3.Therefore, heavy caliber axle portion 66a can be gently to press Bottom end 66d is inserted into circle hole portion 60a or round hole portion 61a by the state entered.

The internal diameter of the up and down direction width K2 and small-bore hole portion 61b of the outer diameter of osculum diameter section 66b and long hole portion 60b K4 is roughly equal.It is in more detail exactly that the outer diameter of the bottom end 66f in osculum diameter section 66b is configured to compare up and down direction Width K2 and internal diameter K4 are slightly bigger, and the outer diameter of front end 66g is set to more slightly smaller by one than up and down direction width K2 and internal diameter K4 Point.Therefore, bottom end 66f can be inserted into long hole portion 60b or small-bore hole portion with the state being gently pressed by osculum diameter section 66b 61b.But in fact, bottom end 66f is limited (referring to Figure 28) insertion of small-bore hole portion 61b by flange 66c.

What is indicated in the attached drawing of present embodiment is the feelings that the position of lens barrel 11B is aligned using lens barrel 11A as benchmark Condition.That is, showing the support lens barrel that lens barrel 11A is benchmark, lens barrel 11B is by the feelings for being supported lens barrel of position alignment Condition.

Firstly, as shown in figure 20, the axle portion 65a of shaft member 65 to be inserted into the 1st hole 60 of the side lens barrel 11A from back side In.Shaft member 65 is inserted at the position that flange 65c is contacted with the end face of the back side of protrusion 62 by limitation.Due to axle portion 65a Length be less than the length M1 of round hole portion 60a, axle portion 65a would not reach the position of long hole portion 60b, but be inserted into circle Hole portion 60a (referring to Figure 22).Since the outer diameter of axle portion 65a is slightly larger than 1 point of internal diameter K1 of round hole portion 60a, axle portion 65a is light After the light round hole portion 60a of indentation, shaft member 65 would not shake relative to the frame pedestal 12 of the side lens barrel 11A and become stable peace Dress state.

In addition, as shown in figure 24, the heavy caliber axle portion 66a of shaft member 66 is inserted into the 2nd of the side lens barrel 11A from back side In hole 61.Shaft member 66 is inserted at the position that flange 66c is contacted with the end face of the back side of protrusion 63 by limitation.Due to axle portion The length of 66a is less than the length M3 of round hole portion 61a, and axle portion 66a would not reach the position of long hole portion 61b, but be inserted into Round hole portion 61a (referring to Figure 26).Since the outer diameter of the bottom end 66d in heavy caliber axle portion 66a is slightly larger than round hole portion 61a's 1 point of internal diameter K3, after heavy caliber axle portion 66a is gently pressed into round hole portion 61a, pedestal of the shaft member 66 relative to the side lens barrel 11A Frame 12 would not shake and become stable installation condition.

In addition, the outer diameter due to the front end 66e in heavy caliber axle portion 66a is more slightly smaller by one than the internal diameter K3 of round hole portion 61a Point, in the initial stage that heavy caliber axle portion 66a is inserted into round hole portion 61a without indentation, so can swimmingly be inserted into. In other words, heavy caliber axle portion 66a for indentation state is constituted by the final stage of the insertion only supported in needs stabilization, just Improve insertion workability.

As described above, state shaft member 65 and shaft member 66 being assembled into respectively on the frame pedestal 12 of the side lens barrel 11A is Figure 19.As shown in the drawing, the axle portion 65b of the shaft member 65 and osculum diameter section 66b of shaft member 66 respectively backward side (lens barrel 11A Back side) it is prominent.

The lens barrel 11A opportunity for assembling shaft member 65 and shaft member 66 can arbitrarily be selected.For example, as shown in figure 19, it can Shaft member 65 and shaft member 66 to be assembled on the frame pedestal 12 of single status in advance, then by various parts (rear group frame 14, 3rd prism frame 15, image sensor cell 16 etc.) it is assembled on frame pedestal 12.Alternatively, can also be assembled by various parts Lens barrel 11A is completed on frame pedestal 12 and then carries out the assembling of shaft member 65 and shaft member 66.No matter which kind of situation, due to axis Component 65 and shaft member 66 are indentation states relative to frame pedestal 12, so the shaft member 65 and shaft member 66 after assembling would not Unexpectedly fall.In addition, the 1st hole 60 and the 2nd hole 61 of the insertion object as shaft member 65 and shaft member 66 are located at from the 1st rib Mirror maintaining part 35, rear group frame maintaining part 37, organizes the upper of the frame pedestal 12 that frame receiving portion 42 etc. is left at the 2nd prism maintaining part 36 afterwards Edge side.Therefore, after various parts are assembled in base frame 12, also easily the 1st hole 60 and the 2nd hole 61 are carried out Operation, and be easy to carry out the assembly operation of shaft member 65 and shaft member 66.

Then, the lens barrel 11A under state has been assembled for shaft member 65 and shaft member 66, to assemble lens barrel 11B.By mirror 2nd hole 61 (round hole portion 61a) of cylinder 11B side and the axle portion 65b of shaft member 65 are opposite and right, and by the 1st hole of the side lens barrel 11B 60 (round hole portion 60a) and the osculum diameter section 66b of shaft member 66 are opposite and right.Then, make lens barrel 11A and lens barrel 11B preceding Rear upwardly close to when, axle portion 65b is inserted into the 2nd hole 61 of lens barrel 11B (Figure 21), and osculum diameter section 66b is inserted into lens barrel In the 1st hole 60 of 11B (Figure 25).

As described above, lens barrel 11A, 11B limit it further close to (phase by contacting with each other for abutment surface 50,51 Mutual front-rear position determines).As shown in Figure 22 and Figure 26, abutment surface 50,51 contact stage, lens barrel 11A, 11B each other Frame pedestal 12 in protrusion 62 and 63 opposite of protrusion and between end face, there are the gap N on front-rear direction.Shaft member The respective thickness of 65 flange 65c and the flange 66c of shaft member 66 are more slightly smaller than gap N.Therefore, shaft member 65 and axle portion Part 66 does not interfere the positioning on 50,51 pairs of front-rear directions of abutment surface.

As shown in figure 22, since the length of axle portion 65b is less than the length M3 of round hole portion 61a, relative to the side lens barrel 11B 2nd hole 61, axle portion 65b will not reach the position of small-bore hole portion 61b, but be inserted into round hole portion 61a.Due in cylindrical shape The round hole portion 61a on surface and the axle portion 65b of cylindrical outer surface coincide, axle portion 65b court on the frame pedestal 12 of the side lens barrel 11B The movement of radial direction (all directions vertical with optical axis X1) just limited.As a result, lens barrel 11A and lens barrel 11B Opposite position in the plane perpendicular to optical axis X1 is determined.

In addition, since the outer diameter of axle portion 65b is slightly larger than 1 point of internal diameter K3 of round hole portion 61a, axle portion 65b relative to Round hole portion 61a becomes light indentation state.As a result, in the state that lens barrel 11A and lens barrel 11B is combined, shaft member 65 would not It shakes and generates abnormal sound.

As shown in figure 26, osculum diameter section 66b relative to the 1st hole 60 of the side lens barrel 11B be from the side round hole portion 60a towards Long hole portion 60b side is inserted into.Since the outer diameter of bottom end 66f and front end 66a are both less than the internal diameter K1 of round hole portion 60a, In the initial stage of insertion, osculum diameter section 66b and the inner surface in the 1st hole 60 are discontiguous.

When osculum diameter section 66b is further to the insertion in the 1st hole 60, front end 66a enters long hole portion 60b.Due to preceding The outer diameter of end 66g is less than the up and down direction width K2 of long hole portion 60b, therefore in this stage, will not be in 66 He of shaft member Load is generated between 1st hole 60.When osculum diameter section 66b is further inserted into, bottom end 66f can enter long hole portion 60b. So, just become the state that a pair of of plane 60c in long hole portion 60b gets off to clamp from above bottom end 66f, for small-bore For axle portion 66b, the movement of the up and down direction of the frame pedestal 12 of the side lens barrel 11B is just limited.As a result, lens barrel 11A and Relative rotation of the lens barrel 11B centered on shaft member 65 is limited.

On the other hand, since the length of long hole portion 60b in the lateral direction is greater than the outer diameter of bottom end 66f, osculum Diameter section 66b to the position of the left and right directions of the side lens barrel 11B with no restriction.That is, the long hole portion 60b of lens barrel 11B is opposite In osculum diameter section 66b, can only be relatively moved on specific direction (left and right directions) in the plane vertical with optical axis X1. The deviation of the assembly precision between lens barrel 11A and lens barrel 11B can be by between osculum diameter section 66b and the 1st hole 60 as a result, To absorb.

In addition, the outer diameter due to bottom end 66f is slightly larger than 1 point of the up and down direction width K2 of long hole portion 60b, osculum Diameter section 66b becomes light indentation state relative to long hole portion 60b.As a result, in the state that lens barrel 11A and lens barrel 11B is combined, axis Component 66 would not shake and generate abnormal sound.As noted previously, as being provided with front end in the front end of osculum diameter section 66b 66g, thus osculum diameter section 66b to long hole portion 60b be inserted in enter to a certain degree before be not generate indentation.By this Structure, so that it may when so that the osculum diameter section 66b (bottom end 66f) of shaft member 66 is to the indentation of the long hole portion 60b in the 1st hole 60 Machine and the axle portion 65b of shaft member 65 to indentation opportunity of the round hole portion 61a in the 2nd hole 61 substantially simultaneously, so as to not Assemble lens barrel 11B obliquely.If different from present embodiment, it is not provided with front end 66g, but makes osculum journal axle When the entirety of portion 66b is the structure with the diameter for being equivalent to bottom end 66f, osculum diameter section 66b is pressed into the length in the 1st hole 60 The when chance of hole portion 60b is significantly pressed into the opportunity of the round hole portion 61a in the 2nd hole 61 earlier than axle portion 65b.So, Will be using the position in shaft member 66 and the 1st hole 60 as fulcrum, lens barrel 11B becomes easy relative to the inclination of lens barrel 11A and has occurred.

As shown in figure 26, small since the length of the osculum diameter section 66b length more whole than the 1st hole 60 is slightly bigger Bore axle portion 66b can penetrate through the 1st hole 60 of the side lens barrel 11B, and front end 66g is to protrude a bit from protrusion 63 slightly towards rear. Although lens barrel 11A and lens barrel 11B are the symmetrical same shapes in front and back, because it is lens barrel that it is outstanding, which to easily identify shaft member 66, The back side of 11B, so just improving operability.

As described above, shaft member 65 and shaft member 66 are pressed into the 1st hole 60 and the 2nd hole 61 respectively.But if indentation Load is excessive, it is possible to so that operability is deteriorated, or be deformed in 12 side of frame pedestal and generate shadow to the precision of positioning It rings.Therefore, the size of the relative diameter of the 1st hole 60, the 2nd hole 61 and shaft member 65,66 is configured to not damage positioning accuracy Slight indentation.

The position that optical axis is positioned by shaft member 65 and shaft member 66 by abutment surface 50,51 before being carried out The position of the positioning of rear direction, and shaft member 65 and shaft member 66 are configured as relative to comprising optical axis X1 and towards upper and lower It is substantially symmetric to the imaginary plane Q1 (Fig. 5) of extension.Thereby it is ensured that on left and right directions between shaft member 65 and shaft member 66 compared with Big distance, or according to shaft member 65 and shaft member 66 to the symmetry of the configuration of preceding group of AF, BF and the 1st prism AP1, BP1, just It can be realized higher positioning accuracy.

In addition, the 1st hole 60 and the 2nd hole 61 inserted with shaft member 65 and shaft member 66 are assigned to the angle wall of frame pedestal 12 Portion 24 and angle wall portion 25 is inner configures, it will be able to not carry out good sky interferingly with the other component for constituting lens barrel 11A, 11B Between efficiency be provided with.Other than the rigidity of angle wall portion 24,25 itself, because also passing through 62 He of protrusion with the 1st hole 60 The wall thickness of protrusion 63 with the 2nd hole 61 is reinforced, and in the 1st hole 60 and the 2nd hole 61 is just difficult to generate through 65 He of shaft member Deformation when shaft member 66 positions.

1st hole 60 and the 2nd hole 61 are also used to install the exterior member for constituting the outer surface of photographic device.Figure 23 and Figure 27 institute The front cover 70 shown is the exterior member for covering the front side of photographic device.Front cover 70 has in its inner surface side rearward dashes forward Supporting projections 71 (Figure 23) and supporting projections 72 (Figure 27) out.Supporting projections 71 and supporting projections 72 be with in frame pedestal 12 The 1st hole 60 and the corresponding positional relationship in the 2nd hole 61 be arranged.The front end of supporting projections 71 nearby has outer diameter for perseverance Fixed cylindrical outer surface part, the up and down direction of the long hole portion 60b in the outer diameter of the cylindrical outer surface part and the 1st hole 60 Width K2 is roughly the same.It is constant cylindrical outer surface part, the circle that the front end of supporting projections 72, which nearby has outer diameter, The outer diameter of cylindrical outside surfaces part is roughly the same with the internal diameter K4 of small-bore hole portion 61b in the 2nd hole 61.

To compound lens barrel 10 assemble front cover 70 when, the long hole portion 60b in the 1st hole 60 relative to the side lens barrel 11A, be from The front end portions (cylindrical outer surface part) of supporting projections 71 is inserted into front.In addition, the relative to the side lens barrel 11A the 2nd The small-bore hole portion 61b in hole 61 is the front end portion (cylindrical outer surface part) that supporting projections 72 are inserted into from front.? The side lens barrel 11A, since the axle portion 65a of shaft member 65 does not enter long hole portion 60b, and the heavy caliber axle portion 66a of shaft member 66 does not have Have into small-bore hole portion 61b, so supporting projections 71 and branch can not be interferingly inserted into shaft member 65 or shaft member 66 Support protrusion 72.

Pass through identical, the front shroud of the small-bore hole portion 61b of the supporting projections 72 and cylindrical inner surface of cylindrical outer surface Position of the lid 70 in the plane perpendicular to optical axis X1 determines that.In addition, by a pair of of plane 60c of long hole portion 60b to branch The clamping of protrusion 71 is supportted, rotation of the front cover 70 centered on supporting projections 72 is limited.The left and right directions of long hole portion 60b Length is greater than the outer diameter of supporting projections 71, and supporting projections 71 not will receive the position limitation of long hole portion 60b in the lateral direction.Cause This, front cover 70 can be by inhaling to the deviation of the assembly precision of compound lens barrel 10 between supporting projections 71 and the 1st hole 60 It receives.In this way, the 1st hole 60 and the 2nd hole 61 other than the positioning of shaft member 65 and shaft member 66, are also used to the group of front cover 70 Dress and positioning.

In addition, in the side lens barrel 11B, although the osculum diameter section 61b of shaft member 65 penetrates through entire 1st hole, 60 (reference figure 66), but shaft component 65 does not enter into the small-bore hole portion 66b (referring to Figure 22) in the 2nd hole 61.Accordingly it is also possible to from rear by its The osculum of the protrusion insertion lens barrel 11B of his component (such as the rear cover etc. for constituting the shell of photographic device together with front cover 70) Diameter hole portion 61b carries out the positioning of other component.

Since shaft member 65 is symmetrical shape in axial direction, the direction of shaft member 65a and shaft member 65b can be with It is reverse.On the other hand, since shaft member 66 is asymmetrical in the axial direction, so making heavy caliber axle portion 66a and osculum diameter section When 66b is reversed, assembly failure will lead to, cannot correctly function.In the camera device of present embodiment, having prevents The structure of shaft member 66 reversely assembled.

It is the case where reversely assembling shaft member 66 shown in Figure 28.Osculum diameter section 66b is inserted into the of the side lens barrel 11A In 2 holes 61.The outer diameter of bottom end 66f in osculum diameter section 66b is less than the internal diameter K3 of round hole portion 61a, and front end 66g's is outer Diameter is less than the internal diameter K4 of small-bore hole portion 61b.Therefore, can by osculum diameter section 66b be inserted into the 2nd hole 61, until flange 66c with Until the position of the end face contact of the back side of protrusion 62.

On the other hand, the length of heavy caliber axle portion 66a is greater than the length M1 of the round hole portion 60a in the 1st hole 60.Therefore, exist When being inserted into heavy caliber axle portion 66a in the 1st hole 60 of the side lens barrel 11B, before the contact of abutment surface 50,51, heavy caliber axle portion 66a's Front end can be supported with the step of the boundary part of round hole portion 60a and long hole portion 60b and touch, to limit further insertion.? Under the state, due to having biggish gap in the longitudinal direction between flange 66c and protrusion 63, it will be able to recognize due to axle portion The assembly failure of part 66 hampers the close of lens barrel 11A, 11B.

In addition, supporting projections 72 can be with osculum diameter section when assembling front cover 70 (Figure 23, Figure 26) in the state of Figure 28 66b is supported and is touched, and supporting projections 72 can not be inserted into the 2nd hole 61 (small-bore hole portion 61b).That is, since front cover 70 exists Front is in the state floated, therefore can also identify the assembly failure of shaft member 66 at this stage.

In the present embodiment, illustration is the positioning that lens barrel 11B is carried out on the basis of the side lens barrel 11A, due to lens barrel 11A and lens barrel 11B is identical shape, therefore can also be on the basis of the side lens barrel 11B.Determine that is, can also will be used as The support lens barrel of position benchmark and the lens barrel that is supported positioned by support lens barrel exchange.Specifically it is exactly, in lens barrel 11B The inner insertion shaft member 65 (can be either one or two of axle portion 65a and axle portion 65b) in the 1st hole 60 (round hole portion 60a) of side, and in mirror The heavy caliber axle portion 66a of the inner insertion shaft member 66 in 2nd hole 61 (round hole portion 61a) of the side cylinder 11B.Then, in the side lens barrel 11A The inner insertion shaft member 65 in 2nd hole 61 (round hole portion 61a) (is not inserted into the 1st hole 60 of lens barrel 11B in axle portion 65a and axle portion 65b Side), and by the osculum diameter section 66b of shaft member 66 insertion the side lens barrel 11A the 1st hole 60 (long hole portion 60b).

Referring to Figure 35 and Figure 36, imaged to by the camera system 1 of present embodiment and compound lens barrel 10 suitable for panorama type Overall structure when device is illustrated.In Figure 35, Tu36Zhong, although with each 2 wide-angle lenses in above-mentioned compound lens barrel 10 The arrangement of system A, B and image sensor AI, BI more or less difference, but Figure 35, Figure 36 can be used as panorama type and take the photograph As the general structure example of system carrys out reference.(imaging optical system (optical system has been disclosed in Fig. 1 to Figure 34) to above embodiment System), the feature structure of camera system and photographic device.

As shown in figure 35, photographic device 80 includes camera shooting body 81, and keeps camera shooting body 81, controller or battery etc. in inside The framework 82 of component, and the shutter release button 83 being arranged on 82 outer surface of framework.Framework 82 includes and above embodiment The comparable exterior member such as front cover 70.In addition, in Figure 35, although illustrating only imaging in the framework 82 of photographic device 80 Optical system 84A, 84B and solid-state imager 85A, 85B, but in fact, be also equipped in framework 82 and above-mentioned embodiment party Formula (compound lens barrel 10 comparable structure of the Fig. 1 into Figure 34).

Camera shooting body 81 shown in Figure 35 is equivalent to the camera system 1 in above-mentioned compound lens barrel 10, including 2 image optics systems (complementary metal-oxide is partly led by system 84A, 84B and CCD (charge-coupled device: ChargeCoupled Device) or CMOS Body: ComplementaryMetalOxideSemiconductor) 2 solid-state imagers 85A, the 85B such as sensor.It will imaging Become camera system after optical system 84 and solid-state imager 85 each one combinations.Each imaging optical system 84 for example can be with It is constituted as 6 groups 7 fish eye lenses.The fish eye lens lens have in the embodiment shown in Figure 35 is greater than 180 degree (=360 degree/n；N=2 full filed angle) more preferably has 190 degree preferably with 185 degree or more of field angle Above field angle.

The optical element (lens, prism, optical filter and aperture diaphragm) of 2 imaging optical systems 84A, 84B are relative to solid The positional relationship of body photographing element 85A, 85B are determined.The positioning carried out is the light so that imaging optical system 84A, 84B The optical axis for learning element is orthogonal with the central part of the light area of corresponding solid-state imager 85A, 85B, and light area is pair The fish-eye imaging surface answered.The light area of each solid-state imager 85A, 85B are that 2 dimension solids of composition surface area are taken the photograph Element, and picture signal will be converted to by the light of combined imaging optical system 84A, 84B aggregation.

In the photographic device 80 shown in Figure 35, imaging optical system 84A, 84B are identical specifications, and with respective light Axis consistent mode oppositely combines each other.Received light distribution is converted to picture signal by solid-state imager 85A, 85B, And it is output to the image procossing mechanism on controller (not shown).As being described in detail below, in image procossing mechanism, be by It is connected together and is synthesized from the parts of images that solid-state imager 85A, 85B are inputted respectively, 4 π radian of Lai Shengcheng solid angle Image (hereinafter referred to as " panoramic picture ").Panoramic picture shooting is all sides that can be looked far into the distance since place of photographing To.Here, in the embodiment shown in Figure 35, although what is generated is panoramic picture but it is also possible to be only to horizontal plane progress So-called panoramic picture obtained from 360 degree of shooting.

In addition, here by making the scanning direction of solid-state imager 85A, 85B consistent each other, it will be able to by each bat Image is taken the photograph easily to connect.That is, by making each solid-state imager 85A, 85B in the part to engage each other Scanning direction and sequence consensus, it will be able to the object for being located at mutual camera boundary, especially in the engagement of mobile object Obtain effect.For example, being clapped by the upper left of the solid-state imager 85A photographed images shot and by solid-state imager 85B The bottom left section for the photographed images taken the photograph as image bonding part be it is consistent when, the scanning of solid-state imager 85A just from consolidate The scanning from the top down, from right to left of body photographing element.On the other hand, the scanning of solid-state imager 85B is from solid The scanning from bottom to top, from right to left of photographing element.In this way, by being controlled according to the bonding part of image so that each solid The scanning direction of photographing element 85 is consistent, so that it may obtain easily engageable effect.

As noted previously, as fish eye lens has the full filed angle more than 180 degree, therefore when constituting panoramic picture, In the photographs of each camera system, duplicate image section is as indicating that the reference data of same image connects to regard image The reference of conjunction.Panoramic picture generated is output to that such as camera shooting body 81 has or is connect with camera shooting body 81 Display device, printing equipment, SD card (registered trademark), CF card (registered trademark) etc. exterior storage medium etc..

It is the example that the hardware of photographic device 80 is constituted shown in Figure 36.Photographic device 80 is by digital still camera processor It (hereinafter referred to as processor) 500, barrel unit 502 (being equivalent to above-mentioned compound lens barrel 10) and is connect with processor 500 Various assemblies are constituted.Barrel unit 502 have above-mentioned 2 groups of imaging optical systems 84A, 84B and solid-state imager 85A, 85B.Solid-state imager 85A, 85B be by aftermentioned CPU530 in processor 500 come control instruction control.

Processor 500 includes ISP (image-signal processor: ImageSignalProcessor) 508A and 508B, DMAC (direct memory access controller: DirectMemoryAccessController) 510, for memory access mediation it is secondary It cuts out device (ARBMEMC) 512, the MEMC (MemoryController) 514 for controlling memory access, distort amendment/image synthesis Block 518.The image data that ISP508A, 508B input the signal processing by solid-state imager 85A, 85B carries out respectively White balance setting and γ setting.SDRAM516 is connected in MEMC514.Temporarily preserved in SDRAM516 ISP508A, 508B and distort amendment/image Synthetic block 518 in implement processing when data.Distortion amendment/image Synthetic block 518 is utilized and is come from The information of 3 axle acceleration sensors 520 is gone back while distort amendment to 2 parts of images obtained from 2 camera systems Amendment up and down is carried out, and carries out image synthesis.

Processor 500 further include DMAC522, image processing block 524, CPU530, image data transport unit 526, SDRAMC528, storage card control block 540, USB block 546, peripheral block 550, audio unit 552, serial block 558, LCD (liquid Crystal display: LiquidCrystals Display) driver 562 and bridge 568.

CPU530 controls the movement in each portion of photographic device 80.Image processing block 524 uses adjustment sized blocks 532, JPEG Block 534, H.264 block 536 etc. carry out various image procossings to image data.Adjusting sized blocks 532 is used to by interpolation processing The block that the size of image data is zoomed in or out.JPEG block 534 is the codec block for executing JPEG compression and decompression. H.264 block 536 is the codec block for executing the H.264 compression of equal animations and decompression.Image data transport unit 526 transmit be By the image of image procossing in image processing block 524.SDRAMC528 carries out the SDRAM538 being connected in processor 500 When controlling, and implementing various processing to image data in processor 500, image data is temporarily saved in SDRAM538.

Storage card control block 540 controls the reading to the storage card and flash ROM544 that are inserted into storage card slot 542 It writes.Storage card slot 542 is the slot for being removably mounted on storage card on photographic device 80.What USB block 546 controlled It is the usb communication carried out with external equipments such as the personal computers that is connected via USB connector 548.In peripheral block 550 It is connected with power switch 566.The recorded audio of the microphone 556 and output of audio unit 552 and user's input audio signal The loudspeaker 554 of signal is connected, and controls audio input output.What serial block 558 controlled is the outside with personal computer etc. The serial communication of equipment, and connect with wireless NIC (NetworkInterfaceCard) 560.LCD driver 562 is driving LCD The driving circuit of monitor 564, and it is transformed to the signal for showing various states in LCD monitor 564.

The control program and various parameters for being stored with the code that can interpret with CPU530 in flash ROM544 to describe. When power supply is by when being operated into on-state of power switch 566, above-mentioned control program is loaded into main memory. CPU530 is according to the program being read into main memory, will be required for control while the movement of control device each section Data are temporarily stored in SDRAM538 and part SRAM (not shown).

As described above, in the camera device of present embodiment, as front frame 13 is bonded on constitute each lens barrel 11A, Structure in the base frames 12 of 11B, be for fill bonding bonding with hole 27 (127,227) and bonding use hole 33 (133, 233) inside is provided with bonding anti-dropout face 27d (27e, 27f) and bonding anti-dropout face 33d (33e, 33f).Bond anti-dropout Face 27d (27e, 27f) and bonding anti-dropout face 33d (33e, 33f) relative to the binder U of filling be respectively both sides become undercutting The status of structure (be respectively facing and engage opposite surface 28,31 opposite side).As a result, in addition to the direction vertical with optical axis X1 with Outside, it also achieves and is firmly fixed on the direction parallel with optical axis X1, while simple and section space-efficient structure, moreover it is possible to It is enough that high bond strength is obtained on comprehensive.

It is sensitive due to preceding group of AF, BF being supported by front frame 13 especially in the camera system of above embodiment 1 Degree is high, so other than carrying out strict position adjustment to front frame 13 relative to frame pedestal 12, it is also necessary to make it securely It is fixed.Above-mentioned adhesive structure ensures the fixing intensity of front frame 13, can obtain fabulous in restricted space Effect.

In this way, the present invention is in addition to for requiring the precision instrument of high-precision engagement special the lens barrel as photographic device Other than useful, it is readily applicable to the joint construction of the machine other than photographic device.It, can also be in addition, in photographic device The engagement other than component for being supported to lens.

The photographic device of above embodiment is the type being combined to lens barrel 11A, 11B of same shape, but can also To be applied to the photographic device or optical apparatus of type in addition to this.

In addition, the obturator for engagement can also select binder in addition.As an example, it is also possible to Relative to be arranged on meet the present invention claims 2 components in hole, fill the resin of molten condition or pulverulence, pass through The solidification of the resin makes its engagement.

Figure 32 to Figure 34 shows the variation of the cross sectional shape in bonding hole, but the shape in the engagement hole in the present invention is simultaneously It is not limited to this.For example, the bonding of above embodiment all has the opening face of injection binder side with hole 27 (127,227) Product is larger, in the inboard lesser cross sectional shape of opening area that engagement opposite surface 28 is open.It is easy for as a result, so that binder It is flowed into bonding hole 27 (127,227).But as long as meet it is at least internal have bonding anti-dropout face 27d (27e, 27f) that The condition in the face that the binder contact rear defence anti-avulsion of sample is fallen, then, even the opening area of injection side is the hole that part becomes smaller, And can apply.

Claims (10)

1. a kind of joint construction, it is characterised in that:

It is opposite in two components and pair opposite surface on there is the hole of opening, in the state that the hole is connected to, fluid or powder Obturator be filled into the hole of both sides, and fix described two components relatively by the obturator, it is described The hole of two components be all be located remotely from it is described opening side inside it is wider than the opening side.

2. joint construction according to claim 1, it is characterised in that:

The obturator is binder.

3. joint construction according to claim 1 or 2, it is characterised in that:

The hole has towards the anti-dropout face for the opposite surface being opposite side, and the anti-dropout face has described with leaving Opposite surface and the tilted shape that the inside interval in the hole is broadened.

4. joint construction according to claim 1 or 2, it is characterised in that:

The hole has towards the anti-dropout face for the opposite surface being opposite side, and the anti-dropout face is directed towards and the opposite direction Face is the plane of opposite direction.

5. joint construction according to any one of claims 1 to 4, it is characterised in that:

Described two components are arranged in photographic device.

6. joint construction according to any one of claims 1 to 5, it is characterised in that:

It, can be in the direction along the opposite surface in the state that described two components by the obturator before being engaged Enterprising line position sets adjustment.

7. joint construction according to claim 6, it is characterised in that:

At least one of described two components are supported the optical element for constituting imaging optical system, and the position The direction of adjustment is the direction vertical with the optical axis of the optical element is passed through.

8. joint construction according to any one of claims 1 to 7, it is characterised in that:

The size of opening of the hole of described two components in the opposite surface is different.

9. joint construction according to any one of claim 1 to 8, it is characterised in that:

The hole of described two components is respectively long hole.

10. a kind of joint construction, it is characterised in that:

It is opposite in two components and pair opposite surface on there is the hole of opening, in the state that the hole is connected to, fluid or powder Obturator be filled into the hole of both sides, and fix described two components relatively by the obturator, it is described The hole of two components all has internal towards the anti-dropout face for the opposite surface being opposite side, in described two components Between apply so that when power on the separated direction of the opposite surface, by described in the obturator of solid state and both sides The contact in anti-dropout face, to limit the relative movement of described two components.