CN220872762U - Optical connector for reducing focal length of objective lens - Google Patents

Abstract

The utility model relates to the technical field of optical connectors and discloses an optical connector for reducing the focal length of an objective lens, which comprises a connecting sleeve, wherein lifting grooves are fixedly formed in the lower end of the connecting sleeve, lifting sleeves are sleeved in the lifting grooves in a sliding manner, threaded grooves are fixedly formed in the middle parts of two sides of the outer wall of the connecting sleeve, hand-held bolts are sleeved in the two threaded grooves, fixed grooves are fixedly formed in two sides of the outer wall of the lifting sleeve, a fixed ring is fixedly connected to the lower end of the lifting sleeve, slots are fixedly formed in two sides of the lower end of the fixed ring, and control grooves are fixedly formed in the inner walls of two opposite sides of the slots. According to the utility model, the connecting piece can be used for rapidly disassembling and assembling the objective main body and the connecting sleeve, so that time can be saved, and meanwhile, after the connecting piece is used, the working distance of a microscope can be rapidly reduced, so that the focal length of the objective can be rapidly reduced, and the adjusting time is saved.

Description

Optical connector for reducing focal length of objective lens

Technical Field

The utility model relates to the technical field of optical connectors, in particular to an optical connector for reducing the focal length of an objective lens.

Background

The magnifying function of the microscope mainly depends on the objective lens, the quality of the objective lens directly influences the image quality of the microscope, the magnifying function is a main component for determining the resolution and the imaging definition of the microscope, the working distance of the objective lens is related to the focal length of the objective lens, and the shorter the focal length of the objective lens is, the higher the magnification is, and the shorter the working distance is.

Because the observed object size specification has the difference, so need constantly adjust the focus of objective, and the objective of current some microscopes is when using, because the junction between eyepiece and the microscope is usually fixed unadjustable, and then lead to the objective to rely on the regulation structure of objective itself when carrying out focus adjustment more, it is comparatively slow, and the installation of objective on the microscope is mostly threaded connection, the dismouting is not swift, and threaded connection takes place the smooth silk under long-term dismouting easily and influence the installation, therefore, the skilled person provides an optical connection piece for reducing objective focus, in order to solve the problem that sets forth in the above-mentioned background art.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides an optical connecting piece for reducing the focal length of an objective lens, which can be used for quickly disassembling and assembling an objective lens main body and a connecting sleeve, so that the time is saved, the subsequent cleaning maintenance or storage protection is convenient, meanwhile, the working distance of a microscope can be quickly reduced after the connecting piece is used, the focal length of the objective lens can be quickly reduced, the adjusting time is saved, and the connecting piece is simple to operate and convenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an optical connector for reducing objective focal length, includes the adapter sleeve, the fixed lift groove of having seted up of lower extreme of adapter sleeve, the inside slip cap in lift groove is equipped with the lift cover, the screw thread groove has all been seted up fixedly in the middle part of the outer wall both sides of adapter sleeve, two the inside of screw thread groove all screw thread cover is equipped with the hand bolt, the fixed slot has all been seted up fixedly to the outer wall both sides of lift cover, the lower extreme fixedly connected with retainer plate of lift cover;

The two sides of the lower end of the fixed ring are fixedly provided with slots, the inner walls of the opposite sides of the two slots are fixedly provided with control grooves, the interiors of the two control grooves are movably provided with control rods, the outer walls of the two control rods are movably sleeved with movable springs, the opposite ends of the two control rods are fixedly connected with fixed clamping blocks, the interiors of the two slots are fixedly provided with inserting blocks in a clamping manner, and the opposite sides of the two inserting blocks are fixedly provided with fixed clamping grooves;

Through above-mentioned technical scheme, through unscrewing two handle bolt unblocks to the fixed of lift cover, can draw the lift cover to descend through restriction pole and restriction slider this moment to can realize reducing the objective focus fast, through outwards pulling rotation pull block, make fixed fixture block break away from corresponding fixed draw-in groove, thereby accomplish the quick dismantlement to the objective main part.

Further, one ends of the two control rods penetrate through the fixed ring and are rotationally connected with the rotating pull blocks, the opposite ends of the two rotating pull blocks are fixedly connected with the abutting blocks close to the upper and lower positions, two hidden grooves are fixedly formed in two sides of the outer wall of the fixed ring, and a plurality of abutting blocks are movably arranged in the corresponding hidden grooves;

Through above-mentioned technical scheme, through being equipped with on the control lever and rotate the pull piece, and then can pull out the control lever through rotating the pull piece, be equipped with simultaneously on rotating the pull piece and support the piece, and then in order to prevent to rotate the pull piece because of the effect of movable spring when pulling the pull piece, if not keep pulling state always then can rebound the normal position, it is comparatively troublesome, and then can rotate the pull piece through rotating, will follow the support piece that is pulled out in the hidden groove and rotate to the state with retainer plate outer wall butt to in order to take off objective main part subsequently.

Further, limiting grooves are fixedly formed in two sides of the inner wall of the lifting groove, limiting rods are fixedly connected between the upper inner wall and the lower inner wall of the two limiting grooves, limiting sliding blocks are sleeved on the outer walls of the two limiting rods in a sliding mode, and the two limiting sliding blocks are fixedly connected with the lifting sleeve;

Through above-mentioned technical scheme, through being equipped with restriction groove, restriction pole and restriction slider to with restriction slider and lift cover fixed connection, and then make the lift cover can be more stable when carrying out flexible removal, avoid producing to rock.

Further, two ends of the two movable springs are respectively and fixedly connected to the inner walls of the opposite sides of the corresponding fixed clamping blocks and the control groove, and the two fixed clamping blocks are respectively and fixedly clamped in the corresponding fixed clamping grooves;

Through above-mentioned technical scheme, through carrying out effective restriction to movable spring to with fixed fixture block setting in fixed draw-in groove, and then can control the block state of fixed fixture block in fixed draw-in groove through movable spring's effect.

Further, the two thread grooves are communicated with the lifting groove, and the opposite ends of the two hand-held bolts are tightly abutted against the inner parts of the corresponding fixing grooves;

Through the technical scheme, the threaded groove is communicated with the lifting groove, opposite ends of the two hand lifting bolts are tightly abutted against the inner parts of the corresponding fixing grooves, and the lifting sleeve can be controlled to stretch and retract through unscrewing or screwing the hand lifting bolts.

Further, the lower ends of the two inserting blocks are fixedly connected with a connecting ring, and the inner wall of the connecting ring is fixedly provided with an objective main body;

Through above-mentioned technical scheme, through the lower extreme fixedly connected with go up the retainer plate at two inserts, and then in order to connect objective main part via retainer plate and adapter sleeve.

Further, the outer walls of the two rotating pull blocks are provided with anti-skid patterns;

Through above-mentioned technical scheme, through being equipped with anti-skidding line on rotating the pull block, and then in order to be convenient for operating personnel to stimulate the rotation pull block.

Further, the upper end of the connecting sleeve is fixedly connected with a connecting thread head;

Through above-mentioned technical scheme, through at the upper end fixedly connected with connection screw thread head of adapter sleeve, and then so as to fix the adapter sleeve on the microscope to realize the installation to the objective main part.

The utility model has the following beneficial effects:

1. according to the optical connecting piece for reducing the focal length of the objective lens, the two inserting blocks on the connecting ring are respectively inserted into the corresponding inserting grooves, the fixed clamping blocks are extruded in the inserting process until the fixed clamping grooves are encountered, the fixed clamping blocks are clamped into the fixed clamping grooves under the action of the movable springs, and then the two inserting blocks are fixed, so that connection between the objective lens main body and the connecting sleeve is completed, if the objective lens main body is required to be detached, the rotating pulling blocks are pulled outwards, the rotating pulling blocks are rotated in the pulling process, the abutting blocks pulled out of the hiding grooves are rotated to be in a state of abutting against the outer walls of the fixing rings, and the fixed clamping blocks are separated from the corresponding fixed clamping grooves and are kept in the state, so that the objective lens main body is rapidly detached.

2. According to the optical connecting piece for reducing the focal length of the objective lens, if the focal length of the objective lens is required to be reduced, the two handle bolts can be unscrewed to enable the two handle bolts not to be in butt joint with the corresponding fixing grooves, and then the fixing of the lifting sleeve is unlocked, at the moment, the lifting sleeve can be pulled down through the limiting rod and the limiting sliding block, so that the focal length of the objective lens can be reduced rapidly, the time is reduced, the two handle bolts are screwed after the objective lens reaches a proper area to enable the two handle bolts to be in tight butt joint with the corresponding fixing grooves, and at the moment, the observation effect can be achieved through precisely adjusting the objective lens main body.

3. According to the optical connecting piece for reducing the focal length of the objective lens, the connecting piece can be used for rapidly disassembling and assembling the objective lens main body and the connecting sleeve, so that time can be saved, subsequent cleaning maintenance or storage protection is facilitated, meanwhile, after the connecting piece is used, the working distance of the microscope can be rapidly reduced, the focal length of the objective lens can be rapidly reduced, the adjusting time is saved, and the connecting piece is simple to operate and convenient to use.

Drawings

FIG. 1 is a schematic front cross-sectional view of an optical connector for reducing the focal length of an objective lens according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is a schematic top-down view of an optical connector for reducing the focal length of an objective lens according to the present utility model;

FIG. 5 is a schematic partial axial view of an optical connector for reducing the focal length of an objective lens according to the present utility model;

Fig. 6 is a schematic front view of an optical connector for reducing the focal length of an objective lens according to the present utility model.

Legend description:

1. Connecting sleeves; 2. a lifting groove; 3. a lifting sleeve; 4. a thread groove; 5. a handle bolt; 6. a fixing groove; 7. a limiting groove; 8. a restraining bar; 9. a limit slider; 10. a fixing ring; 11. a slot; 12. a control groove; 13. a control lever; 14. a movable spring; 15. fixing the clamping block; 16. inserting blocks; 17. a fixing slot; 18. rotating the pull block; 19. abutting blocks; 20. hiding the groove; 21. a connecting ring; 22. anti-skid lines; 23. connecting a threaded head; 24. an objective lens body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, one embodiment provided by the present utility model is: the utility model provides an optical connector for reducing objective focal length, includes adapter sleeve 1, and lift groove 2 has been fixedly seted up to adapter sleeve 1's lower extreme, and lift groove 2's inside slip cap is equipped with lift sleeve 3, and thread groove 4 has all been fixedly seted up at adapter sleeve 1's outer wall both sides middle part, and the inside of two thread grooves 4 all thread the cover is equipped with hand bolt 5, and lift sleeve 3's outer wall both sides are fixedly seted up fixed slot 6, and lift sleeve 3's lower extreme fixedly connected with retainer plate 10;

The slot 11 has all been fixedly seted up to the lower extreme both sides of retainer plate 10, the control groove 12 has all been fixedly seted up to the inner wall of the opposite side of two slots 11, the inside of two control grooves 12 all activity is provided with control rod 13, the equal movable sleeve of outer wall of two control rods 13 is equipped with movable spring 14, the equal fixedly connected with fixed fixture block 15 of the equal fixedly connected with of relative one end of two control rods 13, the inside equal block of two slots 11 is provided with insert 16, the fixed draw-in groove 17 has all been fixedly seted up to the opposite side of two insert 16.

One end of each control rod 13 penetrates through the fixed ring 10 and is rotationally connected with a rotary pull block 18, the opposite ends of the two rotary pull blocks 18 are fixedly connected with abutting blocks 19 at the upper and lower positions, two hidden grooves 20 are fixedly arranged on two sides of the outer wall of the fixed ring 10, a plurality of abutting blocks 19 are movably arranged in the corresponding hidden grooves 20, the control rods 13 can be pulled out through the rotary pull blocks 18 by arranging the rotary pull blocks 18 on the control rods 13, meanwhile, the abutting blocks 19 are arranged on the rotary pull blocks 18, and further, in order to prevent the rotary pull blocks 18 from rebounding to the original position under the action of the movable springs 14 when the rotary pull blocks 18 are pulled, the abutting blocks 19 pulled out from the hidden grooves 20 can be rotated to the state of abutting the outer wall of the fixed ring 10 by rotating the rotary pull blocks 18, thereby facilitating the subsequent removal of the objective main body 24, the two sides of the inner wall of the lifting groove 2 are fixedly provided with limiting grooves 7, limiting rods 8 are fixedly connected between the upper inner wall and the lower inner wall of the two limiting grooves 7, the outer walls of the two limiting rods 8 are slidably sleeved with limiting slide blocks 9, the two limiting slide blocks 9 are fixedly connected with the lifting sleeve 3, the limiting slide blocks 9 are fixedly connected with the lifting sleeve 3 through the limiting grooves 7, the limiting rods 8 and the limiting slide blocks 9, the lifting sleeve 3 can be more stable when in telescopic movement, shaking is avoided, the two ends of the two movable springs 14 are respectively fixedly connected on the inner wall of the opposite side of the corresponding fixed clamping blocks 15 and the inner wall of the control groove 12, the two fixed clamping blocks 15 are arranged in the corresponding fixed clamping grooves 17 in a clamping way, the movable springs 14 are effectively limited, the fixed clamping blocks 15 are arranged in the fixed clamping grooves 17 in a clamping way, the clamping state of the fixed clamping block 15 in the fixed clamping groove 17 can be controlled through the action of the movable spring 14, the two threaded grooves 4 are communicated with the lifting groove 2, the opposite ends of the two hand-held bolts 5 are tightly abutted against the inner part of the corresponding fixed groove 6, the lifting sleeve 3 can be controlled to stretch and retract through unscrewing or screwing the hand-held bolts 5, the connecting ring 21 is fixedly connected to the lower ends of the two inserting blocks 16, the objective lens main body 24 is fixedly arranged on the inner wall of the connecting ring 21, the connecting ring 21 is fixedly connected to the lower ends of the two inserting blocks 16 through the connecting ring 21 so as to conveniently connect the objective lens main body 24 with the connecting sleeve 1 through the connecting ring 21, the outer walls of the two rotating pull blocks 18 are all provided with anti-skid threads 22, the upper ends of the rotating pull blocks 18 are conveniently pulled by operators, the connecting threaded heads 23 are fixedly connected to the upper ends of the connecting sleeve 1 through the connecting sleeve 1, and the objective lens main body 24 is fixedly connected to the connecting sleeve 1 through the upper ends of the connecting sleeve 1.

Working principle: during the use, insert respectively in corresponding slot 11 with two inserts 16 on the go-between 21 earlier, fixed fixture block 15 is crowded out in the insertion process, until meet fixed draw-in groove 17, fixed fixture block 15 is experienced the effect of activity spring 14 and is made fixed fixture block 15 card go into fixed draw-in groove 17, and then fix two inserts 16, thereby accomplish the connection between objective main part 24 and the adapter sleeve 1, if need reduce the objective focal length, can make it no longer produce the butt with corresponding fixed slot 6 through unscrewing two handle bolts 5, and then the unblock is fixed to lifting sleeve 3, at this moment can draw down lifting sleeve 3 through restriction pole 8 and restriction slider 9, thereby can realize the reduction of microscope working distance, and then can realize reducing the objective focal length fast, save time, screw two handle bolts 5 after reaching suitable region, make it produce the inseparable butt with corresponding fixed slot 6, can be through accurate regulation objective main part 24 and realize the observation effect again at this moment, if need pull down objective main part 24, can be through pulling rotation block 18, and in order to take out the corresponding state of the fixed clamp block 20 from the fixed slot 20 in order to take care of protection sleeve 17, and take out the state from the corresponding state of the fixed slot 20, and take out the state of the protection device is realized.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (8)

1. An optical connection for reducing the focal length of an objective, comprising a connecting sleeve (1), characterized in that: lifting grooves (2) are fixedly formed in the lower end of the connecting sleeve (1), lifting sleeves (3) are sleeved in the lifting grooves (2) in a sliding mode, threaded grooves (4) are fixedly formed in the middle of two sides of the outer wall of the connecting sleeve (1), hand-held bolts (5) are sleeved in the two threaded grooves (4) in a threaded mode, fixing grooves (6) are fixedly formed in two sides of the outer wall of the lifting sleeve (3), and fixing rings (10) are fixedly connected to the lower end of the lifting sleeve (3);

The utility model discloses a fixed slot (11) has all been fixedly seted up to lower extreme both sides of retainer plate (10), two control groove (12) have all been fixedly seted up to the inside wall of slot (11) on one side of being on the back mutually, two the inside of control groove (12) all is movably provided with control rod (13), two the equal movable sleeve of outer wall of control rod (13) is equipped with movable spring (14), two the equal fixedly connected with fixed fixture block (15) of relative one end of control rod (13), two the inside of slot (11) is all the block and is provided with inserted block (16), two fixed draw-in groove (17) have all been fixedly seted up on one side of being on the back mutually of inserted block (16).

2. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: one end of each control rod (13) penetrates through the fixing ring (10) and is connected with the rotary pull block (18) in a rotating mode, the opposite ends of the rotary pull blocks (18) are fixedly connected with the supporting blocks (19) close to the upper and lower positions, two hiding grooves (20) are fixedly formed in two sides of the outer wall of the fixing ring (10), and the supporting blocks (19) are movably arranged in the corresponding hiding grooves (20).

3. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: limiting grooves (7) are fixedly formed in two sides of the inner wall of the lifting groove (2), limiting rods (8) are fixedly connected between the upper inner wall and the lower inner wall of the limiting grooves (7), limiting sliding blocks (9) are sleeved on the outer walls of the limiting rods (8) in a sliding mode, and the limiting sliding blocks (9) are fixedly connected with the lifting sleeve (3).

4. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: two ends of the two movable springs (14) are respectively and fixedly connected to the inner walls of one side opposite to the corresponding fixed clamping blocks (15) and the control groove (12), and the two fixed clamping blocks (15) are clamped in the corresponding fixed clamping grooves (17).

5. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: the two thread grooves (4) are communicated with the lifting groove (2), and the opposite ends of the two hand-held bolts (5) are tightly abutted against the inner parts of the corresponding fixing grooves (6).

6. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: the lower ends of the two inserting blocks (16) are fixedly connected with a connecting ring (21), and an objective main body (24) is fixedly arranged on the inner wall of the connecting ring (21).

7. An optical connector for reducing the focal length of an objective lens as claimed in claim 2, wherein: the outer walls of the two rotary pull blocks (18) are provided with anti-skid patterns (22).

8. An optical connector for reducing the focal length of an objective lens as claimed in claim 1, wherein: the upper end of the connecting sleeve (1) is fixedly connected with a connecting thread head (23).