CN209707784U - Simple two dimension lens adjustment mechanism - Google Patents

Abstract

The utility model discloses simple two-dimentional lens adjustment mechanisms, including eyeglass seat, the eyeglass plug-in unit being plugged in the installation cavity being arranged on the eyeglass seat and the rotation regulating part being arranged on the eyeglass seat；The eyeglass plug-in unit includes several adjusting screws installed disk, be connected to the pitch regulation disk of the installation disk bottom by connecting plate and be connected to the eyeglass mounting plate for being used to install eyeglass of the pitch regulation disk bottom and be connected between the installation disk and pitch regulation disk；The two sides of the connecting plate and pitch regulation disk junction offer groove.The utility model can carry out the Precision trimming of lens angle in horizontal, pitch orientation, not only easy to adjust sensitive, and can satisfy the optical system of high-precision requirement；And volume very little, structure is very compact, can be suitble to small-sized or compact-sized optical system, widely used.

Description

Simple two-dimensional lens adjustment mechanism

technical field

The utility model relates to the field of optical instruments, in particular to a simple two-dimensional lens adjustment mechanism.

Background technique

Some of the existing optical lens adjustment modules such as reflectors and beam splitters do not have adjustment in two directions; Relatively poor, prone to angular drift.

Utility model content

The technical problem to be solved by the utility model is to provide a simple two-dimensional lens adjustment mechanism for the deficiencies in the above-mentioned prior art.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a simple two-dimensional lens adjustment mechanism, including a lens seat, a lens insert inserted in the installation cavity provided on the lens seat, and a lens insert set on the lens Rotary adjustment parts on the seat;

The lens insert includes a mounting disk, a pitch adjusting disk connected to the bottom of the mounting disk through a connecting plate, a lens mounting plate connected to the bottom of the pitch adjusting disk for installing lenses, and a lens mounting plate connected to the mounting plate. A number of adjustment screws between the disc and the pitch adjustment disc; grooves are provided on both sides of the joint between the connecting plate and the pitch adjustment disc.

Preferably, the opening direction of the groove is parallel to the mirror surface of the lens on the lens mounting plate.

Preferably, the adjusting screw is threadedly engaged with both the installation disc and the pitch adjustment disc.

Preferably, there are two adjusting screws, and the line connecting the two adjusting screws is perpendicular to the opening direction of the groove.

Preferably, the top of the lens seat is provided with a mounting hole, and the mounting disc is rotatably arranged in the mounting hole;

The lens seat is also provided with a fixing plate for covering the installation disc, and the fixing plate is connected with the lens seat through fixing screws.

Preferably, a plurality of adjustment shaft insertion holes are opened on the side of the installation disk, and a plurality of through holes corresponding in number and position to the adjustment shaft insertion holes are opened on the side of the lens seat.

Preferably, the rotation adjustment member includes a rotation adjustment shaft whose inner end is used to pass through the through hole and is inserted into the adjustment shaft insertion hole, and a rotation adjustment shaft connected to the outer end of the rotation adjustment shaft for driving the rotation. Fine adjustment mechanism for adjusting shaft swing.

Preferably, the precision adjustment mechanism includes an adjustment seat with a cavity inside the lens seat, a slider that is slidably arranged on one side of the cavity inside the adjustment seat, and fixed on the cavity. The wedge block on the other side in the cavity, the rolling ball arranged between the slide block and the wedge block, the stud above the rolling ball and screwed with the adjustment seat, the bottom of the stud Heading balls for pressing the rolling balls are provided.

Preferably, the back of the adjustment seat is provided with a waist hole communicating with the cavity, and the outer end of the rotation adjustment shaft is inserted into the cavity through the waist hole; one end of the slider is connected to the cavity. The outer end of the rotating adjustment shaft is in contact with the other end of the rolling ball.

Preferably, a return spring is connected to the outer end of the rotation adjustment shaft, and the other end of the return spring is fixedly connected to the adjustment seat.

The beneficial effects of the utility model are: the utility model can realize the adjustment of the angle of the pitch direction of the lens by setting the lens plug-in to install the lens, and can realize the horizontal rotation adjustment of the lens by setting the rotation adjusting part; The precise fine-tuning of the lens angle is not only convenient and sensitive to adjust, but also can meet the requirements of high-precision optical systems; it is small in size and very compact in structure, suitable for small or compact optical systems, and has a wide range of uses.

Description of drawings

Fig. 1 is the structural representation of the simple two-dimensional lens adjustment mechanism of the present utility model;

Fig. 2 is a schematic structural view of the lens inserter of the present invention;

3 is an exploded schematic view of some components of the simple two-dimensional lens adjustment mechanism of the present invention;

Fig. 4 is a schematic diagram of the structure of the simple two-dimensional lens adjustment mechanism of the present invention after removing the lens insert and the fixing plate;

Fig. 5 is a schematic diagram of the internal structure of the rotary adjusting member of the present invention.

Explanation of reference signs:

1—lens seat; 2—lens plug-in; 3—rotating adjustment member; 4—lens; 10—installation cavity; 11—installation hole; 12—fixing plate; 13—fixing screw; 14—through hole; 20—installation circle Disk; 21—connecting plate; 22—pitch adjusting disc; 23—lens mounting plate; 24—adjusting screw; 25—groove; 26—adjusting shaft jack; 30—rotating adjusting shaft; 33—slider block; 34—wedge block; 35—rolling ball; 36—screw; 37—waist hole; 38—return spring; 39—heading ball; 320—cavity.

Detailed ways

The utility model will be described in further detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

As shown in Figures 1-5, a simple two-dimensional lens adjustment mechanism of this embodiment is characterized in that it includes a lens holder 1, a lens inserter 2 inserted in the installation cavity 10 provided on the lens holder 1, and A rotary adjustment member 3 arranged on the lens seat 1;

The lens inserter 2 includes a mounting disc 20, a pitch adjusting disc 22 connected to the bottom of the mounting disc 20 through a connecting plate 21, and a lens mount for installing the lens 4 connected to the bottom of the pitch adjusting disc 22. A plate 23 and a number of adjusting screws 24 connected between the installation disc 20 and the pitch adjustment disc 22 ; grooves 25 are opened on both sides of the connection between the connecting plate 21 and the pitch adjustment disc 22 .

Wherein, the opening direction of the groove 25 is parallel to the mirror surface of the lens on the lens mounting plate 23 . The adjustment screw 24 is threadedly engaged with the installation disc 20 and the pitch adjustment disc 22 .

In a preferred embodiment, there are two adjusting screws 24 , which are arranged on both sides of the mounting disc 20 , and the line connecting the two adjusting screws 24 is perpendicular to the opening direction of the groove 25 .

The connecting plate 21 has a certain elasticity by opening the groove 25, and the distance between the pitch adjustment disc 22 and the two ends of the installation disc 20 is changed by adjusting the adjustment screws 24 on both sides, so that the pitch adjustment disc 22 The lens 4 on the lens mounting plate 23 at the bottom produces a rotation in the pitch direction (as shown in FIG. 5 , rotation around the X axis). Specifically, referring to Fig. 2, for example, when the angle A needs to be reduced, that is, the lens 4 needs to be rotated clockwise, the left adjusting screw 24 is tightened, the right adjusting screw 24 is unscrewed, and the adjusting screw 24 Pull the left side of the pitch adjustment disc 22 upward, and the right side of the pitch adjustment disc 22 moves down, so that the lens mounting plate 23 rotates clockwise.

In one embodiment, the top of the lens holder 1 is provided with a mounting hole 11, and the mounting disc 20 is rotatably disposed in the mounting hole 11;

The lens holder 1 is also provided with a fixing plate 12 for covering the installation disk 20 , and the fixing plate 12 is connected with the lens holder 1 through fixing screws 13 .

Wherein, the side of the mounting disc 20 is provided with a plurality of adjustment shaft insertion holes 26, and the side of the lens holder 1 is provided with a plurality of through holes 14 whose numbers and positions correspond to the adjustment shaft insertion holes 26. .

Wherein, the rotation adjustment member 3 includes a rotation adjustment shaft 30 whose inner end is inserted into the adjustment shaft insertion hole 26 through the through hole 14 and a rotation adjustment shaft 30 connected with the outer end of the rotation adjustment shaft 30 for driving The rotary adjustment shaft 30 is a precise adjustment mechanism 31 for swinging.

Wherein, the precision adjustment mechanism 31 includes an adjustment seat 32 with a cavity 320 inside the lens seat 1, a slider 33 slidably arranged on one side of the cavity 320 inside the adjustment seat 32, a solid The wedge block 34 on the other side connected to the cavity 320, the rolling ball 35 arranged between the slide block 33 and the wedge block 34, the rolling ball 35 above and connected to the adjusting seat 32 A threaded stud 36 , the bottom of which is provided with a top ball 39 for pressing the rolling ball 35 .

Wherein, the back of the adjustment base 32 is provided with a waist hole 37 communicating with the cavity 320, and the outer end of the rotation adjustment shaft 30 is inserted into the cavity 320 through the waist hole 37; One end of the block 33 is in contact with the outer end of the rotation adjustment shaft 30 , and the other end is in contact with the rolling ball 35 .

Wherein, a return spring 38 is connected to the outer end of the rotation adjustment shaft 30 , and the other end of the return spring 38 is fixedly connected to the adjustment seat 32 .

The rotation adjusting part 3 is used to realize the rotation of the lens 4 around the vertical axis (rotation around the axis of the mounting disc 20, such as the Z axis in Figure 5), specifically, referring to Figure 5, for example, when the lens 4 needs to be rotated around the vertical axis When rotating counterclockwise to the shaft (with reference to the top view direction of the installation disc 20 or the fixed plate 12), the stud 36 is rotated to move the stud 36 downward, and the top ball 39 at the bottom of the stud 36 presses the roller The ball 35 makes the rolling ball 35 move obliquely downward to the right, the rolling ball 35 squeezes the slide block 33 on the right side, and the slide block 33 moves to the right, the slide block 33 pushes the rotation adjustment shaft 30 to swing to the right, and the rotation adjustment shaft 30 The inner end drives the installation disc 20 to rotate to the right (rotating counterclockwise from its top view angle), so that the lens 4 rotates counterclockwise around the vertical axis; Turning the stud 36, under the tension of the spring, the rotation adjustment shaft 30 swings to the left, and finally drives the lens to rotate clockwise around the vertical axis, thereby realizing the rotation of the lens 4 around the vertical axis. After adjusting, it is fixed by the fixing plate 12 and the fixing screw 13.

The utility model can realize precise fine-tuning of commonly-used lenses 4, such as mirrors and beam splitters, in the horizontal and pitch directions, is convenient and sensitive to adjust, and can meet the requirements of high-precision optical systems.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can easily be effected, so the invention is not limited to specific details without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. A simple two-dimensional lens adjustment mechanism, characterized in that it includes a lens holder, a lens insert inserted in the installation cavity provided on the lens holder, and a rotating adjustment member arranged on the lens holder; The lens insert includes a mounting disk, a pitch adjusting disk connected to the bottom of the mounting disk through a connecting plate, a lens mounting plate connected to the bottom of the pitch adjusting disk for installing lenses, and a lens mounting plate connected to the mounting plate. A number of adjustment screws between the disc and the pitch adjustment disc; grooves are provided on both sides of the joint between the connecting plate and the pitch adjustment disc. 2 . The simple two-dimensional lens adjustment mechanism according to claim 1 , wherein the opening direction of the groove is parallel to the mirror surface of the lens on the lens mounting plate. 3 . 3 . The simple two-dimensional lens adjustment mechanism according to claim 2 , wherein the adjustment screw is threadedly engaged with the installation disc and the pitch adjustment disc. 4 . 4 . The simple two-dimensional lens adjustment mechanism according to claim 3 , wherein there are two adjustment screws, and the line connecting the two adjustment screws is perpendicular to the opening direction of the groove. 5. The simple two-dimensional lens adjustment mechanism according to claim 1, characterized in that, the top of the lens holder is provided with a mounting hole, and the mounting disk is rotatably set in the mounting hole; The lens seat is also provided with a fixing plate for covering the installation disc, and the fixing plate is connected with the lens seat through fixing screws. 6. The simple two-dimensional lens adjustment mechanism according to claim 5, characterized in that, the side of the mounting disc is provided with a plurality of adjustment axis sockets, and the side of the lens seat is provided with a plurality of number and The positions are all through holes corresponding to the adjusting shaft jacks. 7. The simple two-dimensional lens adjustment mechanism according to claim 6, characterized in that, the rotary adjustment member includes a rotary adjustment shaft whose inner end is inserted into the adjustment shaft insertion hole through the through hole and A precision adjustment mechanism connected to the outer end of the rotation adjustment shaft for driving the rotation adjustment shaft to swing. 8. The simple two-dimensional lens adjustment mechanism according to claim 7, characterized in that, the precision adjustment mechanism comprises an adjustment seat with a cavity inside provided on the lens seat, and is slidably arranged on the adjustment seat The slide block on one side of the inner cavity, the wedge block on the other side fixed in the cavity, the rolling ball arranged between the slide block and the wedge block, the rolling ball above and with the The adjusting seat is screwed with a stud, and the bottom of the stud is provided with a top ball for pressing the rolling ball. 9. The simple two-dimensional lens adjustment mechanism according to claim 8, wherein a waist hole communicating with the cavity is opened on the back of the adjustment seat, and the outer end of the rotation adjustment shaft passes through the waist hole. The hole is inserted into the cavity; one end of the slider is in contact with the outer end of the rotation adjustment shaft, and the other end is in contact with the rolling ball. 10 . The simple two-dimensional lens adjustment mechanism according to claim 9 , wherein a return spring is connected to the outer end of the rotation adjustment shaft, and the other end of the return spring is fixedly connected to the adjustment seat. 11 .