CN214225544U

CN214225544U - Optical adjusting frame

Info

Publication number: CN214225544U
Application number: CN202120337949.6U
Authority: CN
Inventors: 王策; 张宸瑄; 严心涛; 陈忠祥; 赵文轩; 钟金凤
Original assignee: Ji Hua Laboratory
Current assignee: Ji Hua Laboratory
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-09-17
Anticipated expiration: 2031-02-06

Abstract

The utility model discloses an optical adjustment frame, including benchmark board, vertical movable plate, the horizontal migration board that sets gradually, still include: the tightening assembly is used for driving the reference plate, the vertical moving plate and the horizontal moving plate to be tightly matched; the first guide piece is arranged between the reference plate and the vertical moving plate and used for limiting the adjusting direction of the vertical moving plate; and the second guide piece is arranged between the vertical moving plate and the horizontal moving plate and used for limiting the adjusting direction of the horizontal moving plate. The utility model discloses an optical adjustment frame makes benchmark board, vertical movable plate, horizontal moving plate three tighten the cooperation through the effect of tightening of the subassembly, has effectively improved compact structure nature, stability, utilizes first guide and the second guide as the transitional coupling link between board and the board simultaneously, realizes contactless regulation direction between the plate, when avoiding contact wear between the plate, ensures that the plate accommodation process is stable, accurate.

Description

Optical adjusting frame

Technical Field

The utility model relates to an optical instrument technical field mainly relates to an optical adjustment frame.

Background

An optical adjusting frame is widely applied in the field of optical precision machinery, and an optical element is generally installed in the adjusting frame for use, such as an optical lens is installed in a lens hole of the adjusting frame for use; then, the azimuth angle of the optical axis, the focusing of light spots and the like are finely adjusted through an optical element and the like, so that the adjustment function of the optical system is achieved.

During the adjustment of the optical system, the adjusting frame is used for dimension adjustment and can be used for adjusting the position of the optical element.

Two degree of freedom alignment brackets among the prior art, can have the plate that is used for the adjustment including the alignment bracket that four directions were adjusted about from top to bottom, direct contact between adjustment process medium plate and the board to only through the spacing direction of guide rail, the face of wearing and tearing easily in the accommodation process, it is not hard up to return under the long-term use and arouses the plate, influences the regulation precision.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, an object of the embodiments of the present application is to provide an optical adjustment frame, which can improve the compactness between the plates and effectively avoid the abrasion problem of the plates during the adjustment process.

The embodiment of the application provides an optical adjustment frame, including the benchmark board that sets gradually, can carry out vertical adjustment's vertical movable plate on the benchmark board, can carry out horizontal migration board of level (l) ing on vertical movable plate, the last lens hole that has of horizontal migration board still includes:

the tightening assembly is used for driving the reference plate, the vertical moving plate and the horizontal moving plate to be tightly matched;

the first guide piece is arranged between the reference plate and the vertical moving plate and used for limiting the adjusting direction of the vertical moving plate;

and the second guide piece is arranged between the vertical moving plate and the horizontal moving plate and used for limiting the adjusting direction of the horizontal moving plate.

The optical adjusting rack is characterized in that the front side of the reference plate is provided with a first positioning groove for limiting the installation position of the first guide piece, and the back side of the vertical moving plate is provided with a first sliding groove which can be in sliding fit with the first guide piece.

The optical adjusting rack is characterized in that the front side of the vertical moving plate is provided with a second positioning groove for limiting the installation position of the second guide piece, and the back side of the horizontal moving plate is provided with a second sliding groove which can be in sliding fit with the second guide piece.

The optical adjusting frame further comprises a positioning assembly used for fixing the adjusting positions of the vertical moving plate and the horizontal moving plate.

The optical adjusting frame comprises a tightening assembly, wherein the tightening assembly comprises tightening rods and an elastic piece, the tightening rods are arranged on the back side of the reference plate and the front side of the horizontal moving plate, and two ends of the elastic piece are respectively connected with the tightening rods and used for driving the tightening rods to be close to each other so that the horizontal moving plate and the reference plate respectively tighten the front side and the rear side of the vertical moving plate.

The optical adjusting frame is characterized in that the elastic piece is an extension spring and horizontally penetrates through the reference plate, the vertical moving plate and the horizontal moving plate.

The optical adjusting frame is characterized in that a placing groove used for limiting the installation position of the tightening rod is formed in each of the back side of the reference plate and the front side of the horizontal moving plate.

The optical adjusting frame comprises a placing groove and a limiting groove, wherein the placing groove comprises a through groove used for placing the elastic piece, and the limiting groove extends to the outer side of the through groove and is used for limiting the mounting position of the end head of the tightening rod.

The optical adjusting rack is characterized in that the first guide piece is a polish rod or a ball group, and the second guide piece is a polish rod or a ball group.

The optical adjusting frame is characterized in that the number of the tightening components is two, and the tightening components are positioned on two sides of the lens hole.

By last knowing, the optical adjustment frame that this application embodiment provided, in the position control process in lens hole, make the benchmark board through the effect of tightening of the subassembly that tightens, vertical movable plate, the cooperation of tightening of horizontal movable plate three, the holistic compact structure of adjustment frame, stability have effectively been improved, utilize first guide and the second guide as the transitional coupling link between board and the board under the effect of tightening of the subassembly simultaneously, realize contactless regulation direction between the plate, when avoiding contact wear between the plate, ensure that the plate accommodation process is stable, accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic perspective view of an optical adjustment frame according to an embodiment of the present disclosure.

Fig. 2 is a schematic front view of an optical adjustment frame according to an embodiment of the present disclosure.

FIG. 3 is a schematic side cross-sectional view of an optical alignment bracket according to an embodiment of the present invention.

FIG. 4 is a schematic top-down cross-sectional view of an optical alignment mount according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of the reference plate.

Fig. 6 is a schematic view of the structure of the vertical moving plate.

Fig. 7 is a schematic structural view of the horizontal moving plate.

Reference numerals: 1. a reference plate; 2. vertically moving the plate; 3. horizontally moving the plate; 4. a tightening assembly; 5. a first guide member; 6. a second guide member; 7. a positioning assembly; 8. a placement groove; 11. a first positioning groove; 12. a first adjusting screw; 13. a first compression spring; 14. a first pin shaft; 15. mounting a fixing hole; 21. a first chute; 22. a second positioning groove; 23. a first positioning hole; 24. a second adjusting screw; 25. a second compression spring; 26. a second pin shaft; 31. a lens hole; 32. a second chute; 33. a second positioning hole; 41. a tightening rod; 42. an elastic member; 71. a first clamping piece; 72. a first rotating press block; 73. a second clamping piece; 74. a second rotating press block; 81. a through groove; 82. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-7, an optical adjustment frame according to an embodiment of the present application includes a reference plate 1, a vertical moving plate 2 capable of performing vertical adjustment on the reference plate 1, and a horizontal moving plate 3 capable of performing horizontal adjustment on the vertical moving plate 2, which are sequentially disposed, and the horizontal moving plate 3 has a lens hole 31, and further includes:

the tightening component 4 is used for driving the reference plate 1, the vertical moving plate 2 and the horizontal moving plate 3 to be tightly matched;

a first guide 5, provided between the reference plate 1 and the vertical moving plate 2, for defining an adjustment direction of the vertical moving plate 2;

and a second guide 6 provided between the vertical moving plate 2 and the horizontal moving plate 3 for defining an adjustment direction of the horizontal moving plate 3.

It should be noted that the back side, the front side, the left side and the right side are based on fig. 2, and for example, the side of the reference plate 1 close to the vertical moving plate 2 is the front side thereof, and the side far from the vertical moving plate 2 is the back side thereof.

In the embodiment of the present application, the position of the horizontal moving plate 3 on the vertical moving plate 2 is adjusted to adjust the horizontal position of the lens hole 31, and the position of the vertical moving plate 2 on the reference plate 1 is adjusted to adjust the height position of the lens hole 31.

In the embodiment of the application, the vertical moving plate 2 and the horizontal moving plate 3 can be adjusted in position by corresponding adjusting devices, so that the positions of the corresponding lens holes 31 are adjusted; in the position adjusting process of the lens hole 31, under the tightening action of the tightening component 4, the reference plate 1, the vertical moving plate 2 and the horizontal moving plate 3 are tightly matched, namely the reference plate 1 and the horizontal moving plate 3 are extruded towards the vertical moving plate 2, so that the reference plate 1 and the horizontal moving plate 3 clamp the vertical moving plate 2, the optical adjusting frame is prevented from generating front and back displacement and space pitch angle in the adjusting or using process, and the whole structure compactness and stability of the optical adjusting frame are effectively improved.

Tightening assembly 4 can produce certain slope in the adjustment process, consequently, add first guide 5 and second guide 6 as the limited device of regulation direction in this application embodiment, as the transitional coupling link between board and the board, when avoiding contact wear between the board, play the effect of adjusting the direction, offset the skew effort that produces when tightening assembly 4 slopes, further improve the structural stability of this application embodiment optical adjustment frame, ensure that the plate accommodation process is stable, accurate.

In some preferred embodiments, the front side of the reference plate 1 has a first positioning groove 11 defining the mounting position of the first guide 5, and the back side of the vertical moving plate 2 has a first sliding groove 21 slidably engaged with the first guide 5.

In the embodiment of the application, under the tightening action of the tightening component 4, the first positioning groove 11 and the first sliding groove 21 are tightly attached to two sides of the first guide part 5, so that the first guide part 5 and the reference plate 1 with the first positioning groove 11 are relatively fixed, and the first guide part 5 can relatively slide on the vertical moving plate 2 with the first sliding groove 21, thereby defining the adjusting direction of the vertical moving plate 2 on the reference plate 1, ensuring the accurate adjusting direction, and avoiding the plate deviation problem caused by the inclination of the tightening component 4 in the adjusting process; in addition, the first positioning groove 11, the first guide piece 5 and the first sliding groove 21 are used as a transition matching link of the reference plate 1 and the vertical moving plate 2 to separate the reference plate 1 and the vertical moving plate 2, so that plate surface abrasion of the reference plate 1 and the vertical moving plate 2 in the adjusting process can be avoided, the durability of equipment is improved, and meanwhile, the adjusting error caused by abrasion is reduced; if the first guide 5 is worn, the tightening state between the reference plate 1 and the vertical moving plate 2 can be released by the tightening assembly 4 and then the first guide 5 can be replaced.

In some preferred embodiments, the first positioning slot 11 and the first sliding slot 21 are both V-shaped slots, wherein two ends of the first positioning slot 11 cooperate with two ends of the first guiding element 5 to define the position of the first guiding element 5 thereon, and the first sliding slot 21 is a V-shaped through slot and can slide relative to the first guiding element 5.

In some preferred embodiments, the front side of the vertical moving plate 2 has a second positioning slot 22 defining the mounting position of the second guide 6, and the back side of the horizontal moving plate 3 has a second sliding slot 32 slidably engaged with the second guide 6.

In the embodiment of the application, under the tightening action of the tightening component 4, the second positioning groove 22 and the second sliding groove 32 are tightly attached to two sides of the second guide piece 6, so that the second guide piece 6 and the vertical moving plate 2 with the second positioning groove 22 are relatively fixed, and the second guide piece 6 can relatively slide on the horizontal moving plate 3 with the second sliding groove 32, thereby defining the adjusting direction of the horizontal moving plate 3 on the vertical moving plate 2, ensuring the accurate adjusting direction, and avoiding the plate deviation problem caused by the inclination of the tightening component 4 in the adjusting process; in addition, the second positioning groove 22, the second guide part 6 and the second sliding groove 32 are used as a transition matching link of the vertical moving plate 2 and the horizontal moving plate 3 to separate the vertical moving plate 2 from the horizontal moving plate 3, so that plate surface abrasion of the vertical moving plate 2 and the horizontal moving plate 3 in the adjusting process can be avoided, the durability of the equipment is improved, and meanwhile, the adjusting error caused by abrasion is reduced; if the second guide 6 is worn, the tightening state between the vertical moving plate 2 and the horizontal moving plate 3 can be released through the tightening assembly 4, and then the second guide 6 can be replaced.

In some preferred embodiments, the second positioning slot 22 and the second sliding slot 32 are both V-shaped slots, wherein two ends of the second positioning slot 22 cooperate with two ends of the second guiding element 6 to define the position of the second guiding element 6 thereon, and the second sliding slot 32 is a V-shaped through slot and can slide relative to the second guiding element 6.

In some preferred embodiments, the first positioning slot 11 and the first sliding slot 21 are oppositely arranged and both extend along the vertical direction.

In some preferred embodiments, the second positioning slot 22 and the second sliding slot 32 are oppositely disposed and both extend along the horizontal direction.

In certain preferred embodiments, there are more than two first guides 5 and second guides 6.

In the embodiment, the number of the first guide parts 5 and the number of the second guide parts 6 are two, and the two first guide parts 5 are used as transition supports between the reference plate 1 and the vertical moving plate 2, so that the vertical moving plate 2 can be prevented from inclining under the tightening action of the tightening assembly 4 and contacting with the surface of the reference plate 1; similarly, two second guide pieces 6 are arranged, so that the horizontal moving plate 3 can be prevented from inclining under the tightening action of the tightening assembly 4 and contacting with the surface of the vertical moving plate 2.

In some preferred embodiments, the device further comprises a positioning assembly 7 for fixing the adjustment positions of the vertical moving plate 2 and the horizontal moving plate 3; in the adjustment process of the optical adjustment frame, the vertical moving plate 2 can be fixed by the positioning component 7 to be positioned on the reference plate 1 after the height position of the lens hole 31 is adjusted, and the horizontal moving plate 3 can be fixed by the positioning component 7 to be positioned on the vertical moving plate 2 after the horizontal position of the lens hole 31 is adjusted, so that the situation that an operator mistakenly touches the adjustment end of the optical adjustment frame in the optical experiment process to influence the experiment result is prevented.

In some preferred embodiments, the positioning assembly 7 includes a first clamping piece 71 fixed on the left or right side of the reference plate 1, a first rotating pressing block 72 movably mounted on the first clamping piece 71, a second clamping piece 73 fixed on the upper or lower side of the vertical moving plate 2, and a second rotating pressing block 74 movably mounted on the second clamping piece 73, the vertical moving plate 2 has a first positioning hole 23 capable of being in threaded fit with the first rotating pressing block 72, and the horizontal moving plate 3 has a second positioning hole 33 capable of being in threaded fit with the second rotating pressing block 74.

In the embodiment of the application, when the height position of the lens hole 31 needs to be fixed, the position of the first rotating pressing block 72 on the first clamping piece 71 is adjusted to enable the first rotating pressing block to be opposite to the first positioning hole 23, and then the first rotating pressing block 72 is rotated to enable the first rotating pressing block to be in threaded fit with the first positioning hole 23 until the first rotating pressing block 72 and the vertical moving plate 2 clamp the first clamping piece 71 mutually, so that the vertical moving plate 2 is relatively fixed on the first clamping piece 71, that is, the vertical moving plate 2 and the reference plate 1 are relatively fixed, and the height position fixing of the lens hole 31 is completed; similarly, the second rotating press block 74 is adjusted and rotated to fix the horizontal moving plate 3 on the vertical moving plate 2, thereby completing the fixing of the horizontal position of the lens hole 31.

In certain preferred embodiments, first rotating mass 72 and second rotating mass 74 are thumbscrews to facilitate the fixed position of lens aperture 31.

In some preferred embodiments, the first clamping piece 71 and the second clamping piece 73 are provided with kidney-shaped holes, and the first rotating pressing block 72 and the second rotating pressing block 74 are movably mounted on the kidney-shaped holes of the first clamping piece 71 and the second clamping piece 73, respectively.

In certain preferred embodiments, as shown with reference to fig. 2, the first clamping piece 71 and the first rotary press 72 are located on the left side of the reference plate 1.

In certain preferred embodiments, as shown with reference to fig. 2, the second clamping piece 73 and the second rotation pressing piece 74 are located on top of the vertical moving plate 2.

In some preferred embodiments, the tightening assembly 4 includes tightening rods 41 and elastic members 42, the tightening rods 41 are disposed on the back side of the reference plate 1 and the front side of the horizontal moving plate 3, and two ends of the elastic members 42 are respectively connected to the two tightening rods 41, so as to drive the two tightening rods 41 to approach each other, so that the horizontal moving plate 3 and the reference plate 1 respectively press the front and back sides of the vertical moving plate 2; specifically, the elastic element 42 is in a stretched state, and the contraction tendency thereof acts on the two tightening rods 41, so that the two tightening rods 41 have a tendency of approaching each other, and further, acting forces are respectively applied to the reference plate 1 and the horizontal moving plate 3, so that the horizontal moving plate 3 and the reference plate 1 respectively press the front side and the rear side of the vertical moving plate 2, and the reference plate 1, the first guide 5, the vertical moving plate 2, the second guide 6, and the horizontal moving plate 3 are ensured to be in close contact with each other.

In some preferred embodiments, the elastic member 42 is an extension spring and is horizontally disposed to penetrate the reference plate 1, the vertical moving plate 2, and the horizontal moving plate 3; two ends of the extension spring respectively hook the two tightening rods 41, so that tension is applied to the tightening rods; extension spring has the convenient characteristics of dismouting for the optics alignment jig of this application embodiment has the convenient advantage of installing and removing, also is favorable to the change of part, like the first guide bar and the second guide bar after wearing and tearing.

In some preferred embodiments, the back side of the reference plate 1 and the front side of the horizontal moving plate 3 are provided with placing grooves 8 for defining the installation positions of the tightening rods 41; the arrangement of the placing groove 8 is used for limiting the installation position of the tightening rod 41, the tightening rod 41 is prevented from being displaced and loosened in the adjustment process of the optical adjusting frame, the acting force directions of the tightening rod 41 and the extension spring can be limited, and the reference plate 1, the vertical moving plate 2 and the horizontal moving plate 3 can be effectively tightened.

In some preferred embodiments, the placement groove 8 includes a through groove 81 for placing the elastic member 42 therein and a limiting groove 82 extending outside the through groove 81 and defining a mounting position of the end of the tightening rod 41; the through groove 81 is arranged, so that the extension spring has a certain inclined space in the adjustment process, and the condition that the adjustment of the optical adjustment frame is hindered due to the contact of the extension spring with the inner walls of the reference plate 1 and the horizontal moving plate 3 is avoided; in addition, the through groove 81 is also beneficial to lifting of the extension spring, namely, the disassembly and assembly process of the optical adjusting frame is more beneficial; in addition, the straight groove is arranged to limit the position of the end of the tightening rod 41, and the tightening rod 41 can be prevented from rotating relatively.

In certain preferred embodiments, the first guide 5 is a polish rod or set of balls, and the second guide 6 is a polish rod or set of balls; the polished rod or the ball group is arranged as a transition matching link of the plate, so that the adjusting process is smoother.

In the present embodiment, the first guide 5 and the second guide 6 are preferably polished rods; compared with a ball group, the polished rods serving as the first guide piece 5 and the second guide piece 6 are more accurately guided, and deviation generated in the adjusting process is avoided; in addition, the first guide 5 and the second guide 6 of the polished rod can be more stably installed in the first positioning groove 11 and the second positioning groove 22, respectively, and the problem that the balls fall off when one end of the first guide 5 of the polished rod extends out of the first sliding groove 21 is also solved, and the second guide 6 of the polished rod also has corresponding advantages.

In some preferred embodiments, since the lens hole 31 is generally disposed at the middle position of the horizontal moving plate 3, the tightening assembly 4 needs to be installed away from the lens hole 31, in which case the reference plate 1, the vertical moving plate 2, and the horizontal moving plate 3 may be tightly connected at the side of the lens hole 31 close to the tightening assembly 4 and loose at the side far from the tightening assembly 4; therefore, the tightening assemblies 4 are more than two, and the reference plate 1, the vertical moving plate 2 and the horizontal moving plate 3 can be provided with a plurality of tightening points by arranging the tightening assemblies 4, so that the problem that the reference plate 1, the vertical moving plate 2 and the horizontal moving plate 3 are locally tightened and loosened due to the fact that the single tightening assembly 4 avoids the installation position of the lens hole 31 is solved.

In the present embodiment, two tightening assemblies 4 are preferably provided at two sides of the lens hole 31 to ensure that the optical adjustment frame is tightened around the lens hole 31, thereby improving the structural stability of the optical adjustment frame.

In some preferred embodiments, the reference plate 1 is provided with a first adjusting assembly for adjusting the position of the vertical moving plate 2, and the first adjusting assembly includes a first adjusting screw 12 screwed to the reference plate 1 and having an end pressing the top of the vertical moving plate 2, and a first compression spring 13 disposed at the bottom of the vertical moving plate 2.

Specifically, the position of the first adjusting screw 12 on the reference plate 1 can be changed by rotating the first adjusting screw 12, so that the tail end of the first adjusting screw tightly pushes the vertical moving plate 2 to push the vertical moving plate 2, and the vertical adjustment of the vertical moving plate 2 can be performed by matching with the acting force of the first compression spring 13 on the vertical moving plate 2, thereby realizing the height position adjustment of the lens hole 31.

In certain preferred embodiments, the first adjustment screw 12 and the first compression spring 13 are located above and below the vertical moving plate 2, respectively.

In some preferred embodiments, the reference plate 1 and the vertical moving plate 2 are provided with first spring positioning holes for defining the mounting positions of the first compression springs 13, wherein the first spring positioning holes on the reference plate 1 are provided with first pins 14 for fixing the mounting positions of the first compression springs 13.

In some preferred embodiments, the vertical moving plate 2 is provided with a second adjusting assembly for adjusting the position of the horizontal moving plate 3, and the second adjusting assembly comprises a second adjusting screw 24 which is screwed to the vertical moving plate 2 and has an end pressing one side of the horizontal moving plate 3, and a second compression spring 25 which is arranged on the other side of the horizontal moving plate 3; which is adjustable in a manner similar to the first adjustment assembly for horizontal adjustment of the lens aperture 31.

In some preferred embodiments, the vertical moving plate 2 and the horizontal moving plate 3 are both provided with second spring positioning holes for defining the mounting positions of the second compression springs 25, wherein the second spring positioning holes on the vertical moving plate 2 are provided with second pins 26 for fixing the mounting positions of the second compression springs 25.

In certain preferred embodiments, the first and second adjustment screws 12 and 24 are both hand screws, so that the optical adjustment frame of the embodiments of the present application has a feature of easy adjustment.

In certain preferred embodiments, the threaded ends of the first and second adjustment screws 12, 24 have smooth ball ends to reduce contact friction during adjustment, thereby saving adjustment effort.

In some preferred embodiments, the reference plate 1 is in an L-shaped plate shape, and a plurality of mounting and fixing holes 15 for fixing positions are arranged on the horizontal end of the reference plate; the optical adjusting frame of the embodiment of the application can be fixed in position through the bolts or other threaded connecting pieces in cooperation with the mounting and fixing holes 15, and the optical adjusting frame is prevented from being integrally deviated in the adjusting or using process to influence optical detection.

In some preferred embodiments, the lens aperture 31 is one of rectangular, circular, oval, and regular polygonal, and in this embodiment is preferably rectangular.

The utility model provides an optical adjustment frame, in the position control process of lens hole 31, make benchmark board 1 through the effect of tightening subassembly 4, vertical movable plate 2, the cooperation of tightening of 3 three of horizontal movable plate, the holistic compact structure nature of adjustment frame has effectively been improved, and is stable, utilize first guide 5 and the second guide 6 as the transitional coupling link between board and the board under the effect of tightening subassembly 4 simultaneously, realize the contactless regulation direction between the plate, when avoiding contact wear between the plate, ensure that the plate accommodation process is stable, it is accurate.

Claims

1. The utility model provides an optical adjusting frame, includes the benchmark board that sets gradually, can carry out vertical adjustment's vertical movable plate on the benchmark board, can carry out horizontal shifting board of level (l) ing on vertical movable plate, the last lens hole that has of horizontal shifting board, its characterized in that still includes:

2. An optical adjustment stand according to claim 1, wherein the front side of the reference plate has a first positioning groove defining the mounting position of the first guide member, and the back side of the vertical moving plate has a first sliding groove slidably engaged with the first guide member.

3. The optical adjustment frame as claimed in claim 1, wherein the front side of the vertical moving plate has a second positioning groove for defining the mounting position of the second guide, and the back side of the horizontal moving plate has a second sliding groove slidably engaged with the second guide.

4. An optical adjustment frame as claimed in claim 1, further comprising a positioning assembly for fixing the adjustment positions of the vertical moving plate and the horizontal moving plate.

5. The optical adjustment frame of claim 1, wherein the tightening assembly comprises tightening rods and an elastic member, the tightening rods are disposed on the back side of the reference plate and the front side of the horizontal moving plate, and two ends of the elastic member are respectively connected to the tightening rods for driving the tightening rods to approach each other so that the horizontal moving plate and the reference plate respectively press the front and rear sides of the vertical moving plate.

6. An optical adjustment frame as claimed in claim 5, wherein the elastic member is a tension spring and is horizontally disposed through the reference plate, the vertical moving plate and the horizontal moving plate.

7. An optical adjustment stand according to claim 5, wherein the back side of the reference plate and the front side of the horizontal moving plate are provided with placement grooves for defining the mounting positions of the tightening rods.

8. An optical adjustment frame as claimed in claim 7, wherein the placement groove comprises a through groove for placing the elastic member therein and a limiting groove extending outside the through groove for limiting the installation position of the tightening rod head.

9. An optical alignment frame as claimed in any one of claims 1 to 8, wherein the first guide member is a polished rod or a set of balls and the second guide member is a polished rod or a set of balls.

10. An optical adjustment frame according to any one of claims 1-8, wherein the tensioning members are two and located on either side of the lens aperture.