CN208888462U - With the camera lens of the mode zoom of rotation eyeglass - Google Patents

Abstract

A kind of camera lens of the mode zoom with rotation eyeglass, including basic camera lens and rotating lens component；One end of the basic camera lens is equipped with lens interface, the other end is equipped with the first eyeglass, and the rotating lens component includes rotating mechanism and outer lens, and the outer lens pass through the rotating mechanism and the basic camera lens rotation connection；When adjusting focal length, the outer lens are rotated by the rotating mechanism to the same axis of the first eyeglass with the basic camera lens, or the position of the axis perpendicular outer lens rotated by the rotating mechanism to the first eyeglass with the basic camera lens.The utility model adds rotating lens component, the purpose that lens zoom is realized by way of rotating lens component in a manner of changing traditional axial zoom, therefore can effectively shorten the length of camera lens, the occupied space of camera lens is reduced, and meets corresponding industrial application demand；In addition, the lens construction is simple, it is easy to accomplish, it can be widely applied in existing camera lens.

Description

With the camera lens of the mode zoom of rotation eyeglass

Technical field

The utility model relates to image or camera work field more particularly to it is a kind of with rotation eyeglass mode zoom mirror Head.

Background technique

Zoom lens refers to can convert focal length in a certain range, so that it is big to obtain the field angle of different width, difference The camera lens of small influence and different scenery ranges.Zoom lens is advantageous in that can be the case where not changing shooting distance Under, change coverage by changing focal length, therefore be very beneficial for film composition, this also allows for zoom lens in industry The application in field is becoming increasingly popular, for example, industrial vision detection field.

Such as number of patent application are as follows: a kind of adjustable depth of focus zoom lens of 201620852514.4 patent application publication, including Have: shell, focusing screw cylinder, focus mount and cylindrical mirror, the front end movable sleeve of the shell is equipped with focusing screw cylinder, described outer Shell front end internal activity is equipped with focus mount；The case nose offers limit through slot；The focus mount and focusing spiral shell The positioning device across limit through slot is connected between rotation cylinder；The focus mount is internally provided with cylindrical mirror, focus mount side Face is embedded in focusing after having the location hole for stationary positioned device, the other end of positioning device to pass through the shell outside focus mount The helicla flute of inner wall of spiral cylinder, when rotating focusing screw cylinder, positioning device is movable in helicla flute, drives focus mount and column Mirror generation in face moves forward and backward inside the housing, is specifically to move on the axial direction of shell, utilizes the technical program tune The distance between luminous point and lens are saved, realizes the quick adjusting of hot spot uniformity brightness.

For another example number of patent application are as follows: 38 times of super large zoom ratio zooms of one kind of 201611170353.1 patent application publication Away from television camera camera lens, including preceding fixed the group A, light being positive along the light focal power that incident direction is set gradually from left to right The rear fixed group E that compensation group C, iris diaphgram D and the focal power that zoom group B that focal power is negative, focal power are positive are positive, it is described Preceding fixed group A includes diverging meniscus lens A-1, biconvex lens A-2, biconvex lens A-3 and positive meniscus lens A-4, the zoom Group B includes that diverging meniscus lens B-1, biconvex lens B-2, diverging meniscus lens B-3 and biconcave lens B-4, the compensation group C include Biconcave lens C-1 and biconvex lens C-2, fixed group E includes biconvex lens E-1, biconvex lens E-2, biconcave lens E- after described 3, biconvex lens E-4, diverging meniscus lens E-5 and positive meniscus lens E-6.The present invention has super large zoom ratio, fine definition, knot The advantages that structure is compact is, it can be achieved that the function such as electric continuous zooming heat, electromotion focusing, electronic light modulation, focal length Real-time Feedback, image output Energy.

However, above-mentioned patent application is all the side using traditional axial distance adjustment lens focus using camera lens The mobile eyeglass of formula, i.e. front-rear direction (axial direction) carrys out zoom, and this frame mode considerably increases the length of camera lens, carry and Installation is inconvenient, and for the camera lens of high quality, carries and transportational process is easily damaged camera lens；Especially in industrial application In, often very little, the mode of axial zoom are not able to satisfy using needs the camera lens setting position between equipment.

In view of the above drawback, it is really necessary to provide a kind of camera lens of mode zoom with rotation eyeglass to overcome above lack It falls into.

Utility model content

The purpose of this utility model is to provide a kind of camera lenses of mode zoom with rotation eyeglass to solve conventional lenses Using the deficiency of axial zoom mode.

To achieve the goals above, the utility model provides a kind of camera lens of mode zoom with rotation eyeglass, including base This camera lens and rotating lens component；One end of the basic camera lens is equipped with lens interface, the other end is equipped with the first eyeglass, the rotation Tilting mirror head assembly includes rotating mechanism and outer lens, and the outer lens are connected by the rotating mechanism and the basic camera lens rotation It connects；When adjusting focal length, the outer lens are rotated by the rotating mechanism to same with the first eyeglass of the basic camera lens On axis, or the outer lens are mutually hung down by the axis that the rotating mechanism is rotated to the first eyeglass with the basic camera lens Straight position.

In a preferred embodiment, the rotating mechanism includes at least one rotating arm, the mirror of the basic camera lens The outer surface of cylinder is equipped with to be connected with the one-to-one mounting portion of the rotating arm, one end of the rotating arm and mounting portion rotation It connects.

In a preferred embodiment, each mounting portion is equipped with a stud, offers on the rotating arm One slotted hole, the slotted hole of the rotating arm are set on the stud and are fixed by nut.

In a preferred embodiment, gasket is additionally provided between the nut and the rotating arm.

In a preferred embodiment, fixing piece is additionally provided on each mounting portion, the fixing piece includes a pair Snap-gauge, the snap-gauge is rotatablely connected by screw and the mounting portion, when the outer lens and the same axis of the first eyeglass When, the rotating arm is fastened between corresponding a pair of of snap-gauge.

In a preferred embodiment, the rotating mechanism includes outer lens barrel, the outer lens barrel and the rotating arm The other end is fixedly connected, and the outer lens are arranged in the outer lens barrel.

In a preferred embodiment, the outer surface of the outer lens barrel offers screw hole, the other end of the rotating arm Through-hole corresponding with the screw hole is offered, screw passes through the through-hole and is threadedly coupled with corresponding screw hole.

In a preferred embodiment, the rotating mechanism further includes for the outer lens to be fixed on the epi mirror Pressure ring in cylinder, the pressure ring are set to the side of the outer lens and are fixedly connected with the outer lens barrel.

Compared with prior art, the beneficial effect of the camera lens of the mode zoom provided by the utility model with rotation eyeglass exists In: rotating lens component is added, the purpose of lens zoom is realized by way of rotating lens component, to change traditional axis To the mode of zoom, therefore the length of camera lens can be effectively shortened, reduce the occupied space of camera lens, and meet corresponding industry and answer Use demand；In addition, the lens construction is simple, not no complicated component, it is easy to accomplish, can be widely applied in existing camera lens.

Detailed description of the invention

Fig. 1 is the explosive view of the camera lens of the mode zoom with rotation eyeglass of the utility model embodiment.

Fig. 2 is that the structure when camera lens of the mode zoom with rotation eyeglass of the utility model embodiment shoots nearby object is shown It is intended to.

Fig. 3 is that the structure when camera lens of the mode zoom with rotation eyeglass of the utility model embodiment shoots distant place object is shown It is intended to.

Fig. 4 is the cross-sectional view of structure in the axial direction shown in Fig. 2.

10, basic camera lens；101, lens interface；102, the first eyeglass；103, lens barrel；11, mounting portion；111, stud； 112, snap-gauge；113, screw；12, the second eyeglass；13, third eyeglass；14, the 4th eyeglass；15, the 5th eyeglass；201, nut； 202, gasket；21, rotating mechanism；210, screw；211, rotating arm；2111, slotted hole；212, outer lens barrel；213, pressure ring；22, Outer lens.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection, which can be, directly to be connected It connects, is also possible to be indirectly connected with.

In addition, the description for being related to " first " " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.

Fig. 1 to Fig. 3 is please referred to, the utility model provides a kind of camera lens of mode zoom with rotation eyeglass, including basic Camera lens 10 and rotating lens component；One end of the basic camera lens 10 is equipped with lens interface 101, the other end is equipped with the first eyeglass 102, the rotating lens component includes rotating mechanism 21 and outer lens 22, and the outer lens 22 pass through 21 He of rotating mechanism The basic camera lens 10 is rotatablely connected；The basic camera lens 10 is the fixed taking lens of focal length, is that those skilled in the art know The structure known.Specifically, one end of the rotating mechanism 21 is connected with the outer lens 22, the other end and the basic camera lens 10 Rotation connection.The lens interface 101 is used to be cooperatively connected with the camera lens mounting base of video camera or camera, according to actual needs, The lens interface 101 is one of C interface, CS interface or F interface.When adjusting focal length, the outer lens 22 are passed through into institute The rotation of rotating mechanism 21 is stated to lead to extremely and on the same axis of the first eyeglass 102 of the basic camera lens 10, or by the outer lens 22 The rotation of rotating mechanism 21 is crossed to the position with the axis perpendicular of the first eyeglass 102 of the basic camera lens 10.This implementation Example is illustrated with the outer lens 22 for convex lens, as shown in Fig. 2, when shooting nearby object, within 10 meters of shooting distance Object when, the outer lens 22 are by the rotating mechanism 21 rotation to same with the first eyeglass 102 of the basic camera lens 10 On one axis, and the outer lens 22 are located at the side that first eyeglass 102 deviates from the lens interface 101, coke at this time Away from the focal length for being less than the basic camera lens 10；As shown in figure 3, when shooting distant place object, such as the object other than 10 meters of shooting distance When, the outer lens 22 pass through the rotating mechanism 21 rotation to the axis phase with the first eyeglass 102 of the basic camera lens 10 Vertical position, focal length at this time are the focal length of basic camera lens 10.It should be noted that when shooting distant place object, the epi mirror The axial location of piece 22 is not necessarily to the axis perpendicular with first eyeglass 102, as long as ensuring the outer lens 22 In outside the visual field of the basic camera lens 10, the outer lens 22 are located at and the axis perpendicular of first eyeglass 102 Position is preferred in all embodiments, it is ensured that the stability of structure.It is unquestionable, when the outer lens 22 are concavees lens When, the outer lens 22 pass through the rotating mechanism 21 rotation to the same axis of the first eyeglass 102 with the basic camera lens 10 On, and the outer lens 22 are located at the side that first eyeglass 102 deviates from the lens interface 101, focal length at this time is greater than The focal length of the basic camera lens 10 is suitable for shoot object other than distant place object, such as 50 meters of shooting distance, i.e., with directly use The basic camera lens 10 is compared, and is suitable for shooting farther distance.Present embodiment is convex lens progress with the outer lens 22 It illustrates, unquestionable, when the outer lens 22 are concavees lens, those skilled in the art can compare present embodiment Illustrate and learn corresponding specific embodiment, therefore repeat no more.

Further, the rotating mechanism 21 includes at least one rotating arm 211, the lens barrel 103 of the basic camera lens 10 Outer surface be equipped with and the one-to-one mounting portion 11 of the rotating arm 211, one end of the rotating arm 211 and the mounting portion 11 rotation connections.In present embodiment, the mounting portion 11 is by the appearance of the lens barrel 103 away from the lens barrel 103 Direction projection is formed, and the quantity of the mounting portion 11 is two and is located at the opposite two sides of the lens barrel 103, the rotating arm 211 quantity is two and corresponds with the mounting portion 11.

Further, each mounting portion 11 is equipped with a stud 111, offers one on the rotating arm 211 Slotted hole 2111, the slotted hole 2111 of the rotating arm 211 are set on the stud 111 and are fixed by nut 201.Specifically , each mounting portion 11 includes the mounting surface parallel with the axis of the lens barrel 103, and the stud 111 is perpendicular to described Mounting surface.The rotating arm 211 is in long strip, and the slotted hole 2111 is set to one end of the rotating arm 211, and described oval The longest internal diameter in hole 2111 is consistent with the direction of longest edge of the rotating arm 211, the most short internal diameter of the slotted hole 2111 with The outer diameter of the stud 111 is corresponding.The nut 201 is located at mounting surface of the rotating arm 211 away from the mounting portion 11 Side is simultaneously threadedly coupled with the stud 111.When the nut 201 is tightened, the rotating arm 211 is fixed on the mounting portion On 11, when the nut 201 unclamps, the rotating arm 211 is axis in the plane where the mounting surface with the stud 111 Upper rotation.In addition, the rotating arm 211 can also be along the longest internal diameter of the slotted hole 2111 when the nut 201 unclamps Relative movement, one can adjust focal length in the axial direction, and two come before the rotating arm 211 rotates, first along described oval Direction of the longest internal diameter in hole 2111 far from the basic camera lens 10 is mobile, makes the rotating arm 211 when rotating not by the base This camera lens 10 stops.

Further, gasket 202 is additionally provided between the nut 201 and the rotating arm 211, the gasket 202 is used for Fasten the connection of the nut 201 and the stud 111, it is ensured that the rotating arm 211 connect secured with the mounting portion 11 Property.In present embodiment, the gasket 202 is annular in shape and is set on the screw hole 111, in other embodiments, institute Gasket 202 is stated can also be U-shaped and to be connected on the screw hole 111.

Further, fixing piece is additionally provided on each mounting portion 11, the fixing piece includes a pair of of snap-gauge 112, institute It states snap-gauge 112 to be rotatablely connected by screw 113 and the mounting portion 11, when the epi mirror 22 and first eyeglass 102 are same When one axis, i.e., when shooting nearby object, the rotating arm 211 is fastened between corresponding a pair of of snap-gauge 112.Specifically, every Offer a pair of of mounting hole on a mounting portion 11, the axis of the central axis of the mounting hole and the lens barrel 103 and described Stud 111 is vertical.Internal screw thread is equipped in the mounting hole, the snap-gauge 112 offers snap-gauge hole, and the screw 113 passes through The snap-gauge hole is threadedly coupled with the mounting hole.When tightening the screw 113, corresponding snap-gauge 112 is fixed on the peace In dress portion 11, when unclamping the screw 113, corresponding snap-gauge 112 is axis rotation with the screw 113.As shown in Fig. 2, working as When shooting nearby object, the snap-gauge 112 turns to the outside of the mounting surface of the mounting portion 11, to engage the rotating arm 211.As shown in figure 3, the snap-gauge 112 turns to the mounting surface and the lens barrel of the mounting portion 11 when shooting distant place object Between 103, so that the rotating arm 211 rotates to other positions.

Further, the rotating mechanism 21 includes outer lens barrel 212, the outer lens barrel 212 and the rotating arm 211 it is another One end is fixedly connected, and the outer lens 22 are arranged in the outer lens barrel 212.Specifically, the appearance of the outer lens barrel 212 towards The convex edge to be formed is protruded far from outer 212 direction of lens barrel, one end of the rotating arm 211 is resisted against on the convex edge, to institute Rotating arm 211 is stated to be pre-positioned.The outer surface of the outer lens barrel 212 offers screw hole, and the other end of the rotating arm 211 is opened Equipped with through-hole corresponding with the screw hole, screw 210 passes through the through-hole and is threadedly coupled with corresponding screw hole, by the rotation Arm 211 and the outer lens barrel 212 are fixed.Therefore, when outer lens barrel 212 or the one of parts damages of rotating arm 211 or due to When other reasons need replacing, the other reasons, can when outer lens 22 are replaced with the lens of other different focal lengths as will be described Individually to be replaced, to improve the utilization rate for the component that other do not need replacement, maintenance cost is saved.And by changing institute State the focal length of outer lens 22, thus it is possible to vary the focal length of camera lens entirety, to adapt to different shooting demands.

Further, the rotating mechanism 21 further includes for the outer lens 102 to be fixed in the outer lens barrel 212 Pressure ring 213, the pressure ring 213 be set to the outer lens 22 side and be fixedly connected with the outer lens barrel 212.Specifically, One end margin of the outer lens barrel 212 extends to form cricoid limiting section, the outer lens 22 towards the direction perpendicular to central axis It is resisted against on the limiting section, and the outer lens 22 and the same axis of the outer lens barrel 212, the pressure ring 213 are fastened on institute It states in outer lens barrel 212, and is set to the outer lens 22 away from the side of the limiting section and compresses the outer lens 22, make described Outer lens 22 are fixed between the pressure ring 213 and the limiting section of the outer lens barrel 212.The pressure ring 213 can be effectively prevented The outer lens 22 fall off from the outer lens barrel 212, to improve the fastness of structure.

Further, referring to figure 4., the basic camera lens 10 is for shooting distant place object, the basic camera lens 10 It is the structure that those skilled in the art note for the taking lens that focal length is fixed.The basic camera lens 10 is along first eyeglass 102 to the direction of the lens interface 101 successively include the second eyeglass 12, third eyeglass 13, the 4th eyeglass 14 and the 5th eyeglass 15, second eyeglass 12, third eyeglass 13, the 4th eyeglass 14 and the 5th eyeglass 15 are coaxially disposed with first eyeglass 102. Wherein, second eyeglass 12 is cemented doublet.Specifically, second eyeglass 12 is by a piece of positive lens and a piece of negative lens glue It closes, to eliminate the color difference in optical system, reaches better imaging effect.

When the camera lens using the mode zoom provided in this embodiment with rotation eyeglass shoots nearby object, i.e., described in adjustment The focal length of camera lens simultaneously makes the focal length of the camera lens be less than the focal length of the basic camera lens 10, firstly, the nut 201 is unclamped, Rotate the rotating arm 211 to the first eyeglass of the outer lens 22 and the basic camera lens 10 with 111 axis of stud On 102 same axis, and the outer lens 22 are located at the side that first eyeglass 102 deviates from the lens interface 101；So Afterwards, the axial position of the rotating lens component is adjusted, by the longest internal diameter of the slotted hole 2111 of the rotating arm 211 with true Determine the position of the outer lens 22 and fixation；Finally, a pair of of snap-gauge 112 on each mounting portion 11 is turned to the mounting portion The outside of 11 mounting surface and fixation, to engage the rotating arm 211.When shooting nearby object, nearby object is through the outer lens 22, the first eyeglass 102 and the second eyeglass 12 form the picture of handstand between second eyeglass 12 and the third eyeglass 13, Again after the third eyeglass 13, the 4th eyeglass 14 and the 5th eyeglass 15, upright picture is formed in imaging surface.

When the camera lens using the mode zoom provided in this embodiment with rotation eyeglass shoots distant place object, i.e., using described Basic camera lens 10 is shot；Firstly, a pair of of snap-gauge 112 on each mounting portion 11 to be turned to the installation of the mounting portion 11 It is between face and the lens barrel 103 and fixed；Then, the nut 201 is unclamped, makes the outer lens 22 far from first mirror Piece 102；Finally, rotating the rotating arm 211 to the outer lens 22 and the basic camera lens 10 with 111 axis of stud The first eyeglass 102 axis perpendicular position after it is fixed.When shooting distant place object, distant place object is through 102 He of the first eyeglass Second eyeglass 12 forms the picture of handstand between second eyeglass 12 and the third eyeglass 13, then through the third eyeglass 13, after the 4th eyeglass 14 and the 5th eyeglass 15, upright picture is formed in imaging surface.

The camera lens of mode zoom provided by the utility model with rotation eyeglass, adds rotating lens component, passes through rotation The mode of lens assembly realizes the purpose of lens zoom, in a manner of changing traditional axial zoom, therefore can effectively contract The length of short camera lens, reduces the occupied space of camera lens, and meets corresponding industrial application demand；In addition, the lens construction is simple, Not complicated component, it is easy to accomplish, it can be widely applied in existing camera lens.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported Used in other related technical areas, it is also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of camera lens of the mode zoom with rotation eyeglass, which is characterized in that including basic camera lens and rotating lens component；Institute The one end for stating basic camera lens is equipped with lens interface, the other end is equipped with the first eyeglass, and the rotating lens component includes rotating mechanism And outer lens, the outer lens pass through the rotating mechanism and the basic camera lens rotation connection；It, will be described outer when adjusting focal length Eyeglass is rotated to the same axis of the first eyeglass with the basic camera lens by the rotating mechanism, or the outer lens is led to Cross the position for the axis perpendicular that the rotating mechanism is rotated to the first eyeglass with the basic camera lens.

2. the camera lens of the mode zoom with rotation eyeglass as described in claim 1, which is characterized in that the rotating mechanism includes The outer surface of at least one rotating arm, the lens barrel of the basic camera lens is equipped with and the one-to-one mounting portion of the rotating arm, institute The one end and the mounting portion for stating rotating arm are rotatablely connected.

3. the camera lens of the mode zoom as claimed in claim 2 with rotation eyeglass, which is characterized in that on each mounting portion Equipped with a stud, a slotted hole is offered on the rotating arm, the slotted hole of the rotating arm is set on the stud And it is fixed by nut.

4. the camera lens of the mode zoom as claimed in claim 3 with rotation eyeglass, which is characterized in that the nut and the rotation Gasket is additionally provided between pivoted arm.

5. the camera lens of the mode zoom as claimed in claim 3 with rotation eyeglass, which is characterized in that on each mounting portion It is additionally provided with fixing piece, the fixing piece includes a pair of of snap-gauge, and the snap-gauge is rotatablely connected by screw and the mounting portion, works as institute When stating outer lens and the same axis of first eyeglass, the rotating arm is fastened between corresponding a pair of of snap-gauge.

6. the camera lens of the mode zoom with rotation eyeglass as claimed in claim 2, which is characterized in that the rotating mechanism includes Outer lens barrel, the outer lens barrel are fixedly connected with the other end of the rotating arm, and the outer lens are arranged in the outer lens barrel.

7. the camera lens of the mode zoom as claimed in claim 6 with rotation eyeglass, which is characterized in that the appearance of the outer lens barrel Face offers screw hole, and the other end of the rotating arm offers through-hole corresponding with the screw hole, and screw passes through the through-hole simultaneously It is threadedly coupled with corresponding screw hole.

8. the camera lens of the mode zoom as claimed in claim 6 with rotation eyeglass, which is characterized in that the rotating mechanism also wraps Include the pressure ring for being fixed on the outer lens in the outer lens barrel, the pressure ring be set to the side of the outer lens and with institute Outer lens barrel is stated to be fixedly connected.