CN208444073U - Continuous zoom optical microscopy - Google Patents

Abstract

The utility model provides a kind of continuous zoom optical microscopy, including zoom cylinder and objective tube；Zoom cylinder includes zoom cylinder shell, zoom outer cylinder, zoom inner cylinder, upper microscope base, lower microscope base, upper zoom eyeglass, lower zoom eyeglass, at least one top shoe and at least one sliding block；Upper microscope base and lower microscope base are along zoom inner cylinder axial-movement, the position of upper zoom eyeglass and the position one of lower zoom eyeglass, which change, makes zoom eyeglass, lower zoom eyeglass, distance change between object lens, change to make to be imaged enlargement ratio, the position of center line of upper curve slot and lower curve slot is the position for making to be imaged enlargement ratio consecutive variations.It the advantage is that the microscope can realize continuous zoom function using a fixed object lens, and solve the problems, such as that existing continuous zoom microscope volume is big, smaller than multiplying power, resolution ratio is low, operating distance is short.

Description

Continuous zoom optical microscopy

Technical field

The utility model relates to a kind of optical microscopy, in particular to a kind of continuous zoom optical microscopy.

Background technique

Microscope is common equipment during a kind of research and production, is often applied to semiconductor electronic, weaving, pit wood Analyzed, measured etc. each industrial circle, being observed, being positioned, device carry etc. work.Existing microscope is most currently on the market For the optical system of fixed multiplying power, only one object lens, there can only be an amplification factor.And only a few possesses continuous zoom optics The microscope of system, there is also volumes greatly, the problem that smaller than multiplying power, resolution ratio is low, operating distance is short.And some continuous zooms Optical microscopy generally requires replacement object lens to realize continuous zoom, to make the use of this kind of continuous zoom optical microscopy not It is convenient.

Utility model content

The utility model provides a kind of continuous zoom optical microscopy, can be real using a fixed object lens Existing continuous zoom function, and solve that existing continuous zoom microscope volume is big, smaller than multiplying power, resolution ratio is low, operating distance is short Problem.

The utility model provides a kind of continuous zoom optical microscopy, including zoom cylinder and objective tube；Zoom cylinder and object lens Cylinder is sequentially coaxially fixed, and objective tube is tubular structure, is fixedly installed object lens in objective tube；Zoom cylinder include zoom cylinder shell, Zoom outer cylinder, zoom inner cylinder, upper microscope base, lower microscope base, upper zoom eyeglass, lower zoom eyeglass；The fixation of zoom cylinder shell is placed on zoom Outside outer cylinder, zoom outer cylinder is placed on outside zoom inner cylinder, clearance fit between the outside wall surface of zoom inner cylinder and the inner wall of zoom outer cylinder, Zoom inner cylinder is equipped with positioning convex ring close to the outside wall surface of objective tube, and end face of the positioning convex ring far from objective tube is leaned on zoom outer cylinder The end face cooperation of nearly objective tube, zoom outer cylinder are rotated by shaft of zoom inner cylinder；The outer surface of upper microscope base and lower microscope base all with change Along zoom inner cylinder axial-movement, upper microscope base is equipped with upper zoom mirror for the internal surface gaps cooperation of times inner cylinder, upper microscope base and lower microscope base Piece, lower microscope base are equipped with lower zoom eyeglass, and the focus of the focus of upper zoom eyeglass, the focus of lower zoom eyeglass and object lens is becoming On the axis of times inner cylinder；It is fixed at least one top shoe on upper microscope base, is fixed at least one sliding block on lower microscope base；Zoom The barrel of inner cylinder is equipped with upper straight line slot identical with top shoe quantity, and the barrel of zoom inner cylinder is equipped with and downslide number of blocks Identical lower straight line slot, upper straight line slot and lower straight line slot penetrate through the barrel of zoom inner cylinder, upper straight-line groove centerline hole Direction and lower straight-line groove centerline hole direction are parallel with the axis of zoom inner cylinder；The barrel of zoom outer cylinder is equipped with and upper straight line The barrel of the identical upper curve slot of slot quantity, zoom outer cylinder is equipped with lower curve slot identical with lower straight-line groove hole number Hole, upper curve slot and lower curve slot penetrate throughs the barrel of zoom outer cylinder, non-intersecting between each upper curve slot, each under It is non-intersecting between curve slot, it is non-intersecting between each upper curve slot and each lower curve slot；One top shoe passes through one A upper straight line slot and in a upper curve slot with the inner wall clearance fit of upper curve slot, have in each upper curve slot And an only top shoe, sliding block pass through a lower straight line slot and in a lower curve slot with lower curve slot Inner wall clearance fit, one and only one sliding block in each lower curve slot；It is rotated between zoom outer cylinder and zoom inner cylinder When angle consecutive variations, top shoe is along the nodal motion of upper curve slot and upper straight line slot, and upper microscope base is under top shoe drive Axis direction along zoom inner cylinder moves, and sliding block is along the nodal motion of lower curve slot and lower straight line slot, and lower microscope base is under Axis direction under sliding block drive along zoom inner cylinder moves, and the position one of the position of upper zoom eyeglass and lower zoom eyeglass changes Make zoom eyeglass, lower zoom eyeglass, distance change between object lens, change to make enlargement ratio is imaged, upper curve slot and under The position of center line of curved groove is the position for enabling to be imaged enlargement ratio consecutive variations.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: object lens Cylinder is cylinder, and zoom cylinder shell, zoom outer cylinder and zoom inner cylinder are circular tube shaped；Upper microscope base include upper mirror holder and with top shoe number Identical upper mirror arc column is measured, lower microscope base includes lower mirror holder and lower mirror arc column identical with downslide number of blocks；Upper mirror holder is under Mirror holder is the identical cylindrical body in cross section, and lower mirror holder is set between mirror holder and objective tube, and upper mirror holder and zoom inner cylinder are coaxial, Lower mirror holder and zoom inner cylinder are coaxial, and upper zoom eyeglass is arranged on upper mirror holder, and lower zoom eyeglass is arranged on lower mirror holder；Upper mirror arc Shape column and lower mirror arc column are local circle ring column, and the inner wall on upper mirror arc column is solid with merging with upper mirror holder periphery Determine, inner wall and lower mirror holder periphery clearance fit on upper mirror arc column, in the outside wall surface and zoom on upper mirror arc column The inner wall clearance fit of cylinder, the inner wall on lower mirror arc column is matched with lower mirror holder periphery merges fixation, lower mirror arc column On inner wall and upper mirror holder periphery clearance fit, the inner wall gap of outside wall surface and zoom inner cylinder on lower mirror arc column Cooperation；Each upper mirror arc column is equipped with a top shoe, and each top shoe is fixed in the outside wall surface of a upper mirror arc column, Each lower mirror arc column is equipped with a sliding block, and each sliding block is fixed in the outside wall surface of a lower mirror arc column.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: mirror Seat includes two upper mirror arc columns, and lower microscope base includes two lower mirror arc columns；Line and change between two top shoe central points The axis of times inner cylinder intersects vertically, and the axis of line and zoom inner cylinder between two sliding block central points intersects vertically；Upper song Axisymmetrical of the line groove hole about zoom inner cylinder, axisymmetrical of the lower curve slot about zoom inner cylinder, upper straight line slot about The axisymmetrical of zoom inner cylinder, axisymmetrical of the lower straight line slot about zoom inner cylinder.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: mirror End face on frame far from objective tube is equipped with upper mirror fixation hole, and upper mirror fixation hole and zoom inner cylinder are coaxial, and upper zoom eyeglass is fixed In in upper mirror fixation hole, upper mirror cross bore, upper mirror cross bore and zoom inner cylinder are equipped with close to the end face of objective tube on upper mirror holder Coaxially, it being connected between upper mirror fixation hole and upper mirror cross bore by upper sem observation hole, upper sem observation hole and zoom inner cylinder are coaxial, on The aperture in sem observation hole is less than upper mirror fixation hole；End face on lower mirror holder far from objective tube is equipped with lower mirror and intersects boss, lower mirror Intersect boss and zoom inner cylinder is coaxial, lower mirror intersects boss outer surface and the inner surface of upper mirror cross bore cooperates, and lower mirror intersects convex Platform is identical as upper mirror cross bore height, is equipped with lower mirror fixing lug boss close to the end face of objective tube on lower mirror holder, and lower mirror fixation is convex Platform and zoom inner cylinder are coaxial, and the surface of lower mirror fixing lug boss is equipped with lower mirror fixation hole, and lower mirror fixation hole and zoom inner cylinder are coaxial, Lower mirror fixation hole aperture is less than lower mirror and intersects boss diameter, and lower zoom eyeglass is fixed in lower mirror fixation hole, and lower mirror intersects boss Surface be equipped with lower sem observation hole, lower sem observation hole and zoom inner cylinder are coaxial, and lower sem observation hole aperture is less than lower mirror fixation hole Aperture, lower sem observation hole penetrate through lower mirror fixation hole bottom.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: mirror Seat includes mirror arc column at least two, and lower microscope base includes at least two lower mirror arc columns；

Each upper mirror arc column is equipped with a upper mirror convex block, and upper mirror convex block is located remotely from one end of objective tube, upper mirror Convex block is local circle ring column, and the outside wall surface on upper mirror convex block is matched with the inner wall of upper mirror arc column merges fixation, upper mirror convex block Inner wall be equipped with screw thread；

Upper microscope base be equipped with upper fixing element, upper fixing element be it is barrel-shaped, upper fixing element and zoom inner cylinder are coaxial, outside upper fixing element The inner wall clearance fit of wall and upper mirror arc column is fixed with upper fixing element bulge loop, upper fixation on upper fixing element bung hole outer wall Part bulge loop and zoom inner cylinder are coaxial, and the outer wall of upper fixing element bulge loop is equipped with the external screw thread matched with screw thread on upper mirror convex block, Upper fixing element bulge loop is threadedly secured on mirror convex block, and upper fixing element bucket bottom position is equipped with perforation upper fixing element bucket bottom Upper fixing element through-hole, upper fixing element through-hole and zoom inner cylinder are coaxial, and upper fixing element bucket bottom and upper mirror fixation hole are fixedly clamped setting Upper zoom eyeglass in upper mirror fixation hole；Each lower mirror arc column is equipped with a lower mirror concave block, and lower mirror concave block is located remotely from On one end of objective tube, lower mirror concave block is local circle ring column, and lower mirror concave block axis is parallel with zoom inner cylinder axis, lower mirror concave block Height is greater than upper fixing element bulge loop height, and upper fixing element bulge loop is set in lower mirror concave block, and the outer wall of upper fixing element bulge loop is under Mirror concave block wall surface clearance fit；Lower mirror fixing lug boss is equipped with lower mirror bulge loop, and lower mirror bulge loop and zoom inner cylinder are coaxial, lower mirror bulge loop Outer wall is equipped with external screw thread；Lower microscope base is equipped with lower fixing piece, and lower fixing piece is barreled, and lower fixing piece and zoom inner cylinder are coaxial, Lower fixing piece bulge loop is fixed on lower fixing piece bung hole outer wall, lower fixing piece bulge loop and zoom inner cylinder are coaxial, and lower fixing piece is convex The inner wall of ring is equipped with the internal screw thread matched with external screw thread on lower mirror bulge loop, and lower fixing piece is placed on outside lower fixing lug boss, lower solid Determine part bulge loop to be threadedly secured on lower mirror bulge loop, lower fixing piece bucket bottom position, which is equipped with, penetrates through the lower solid of lower fixing piece bucket bottom Determine part through-hole, lower fixing piece through-hole and zoom inner cylinder are coaxial, and lower fixing piece bucket bottom and lower mirror fixation hole are fixedly clamped and are set to down Lower zoom eyeglass in mirror fixation hole.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: each Upper mirror arc column is equipped with a upper mirror sliding block counterbore, and upper mirror sliding block counterbore is arranged in the outside wall surface on upper mirror arc column, on The axis of mirror sliding block counterbore is vertical with the axis of zoom inner cylinder, and upper mirror slider bore is set on the bottom surface of mirror sliding block counterbore, on Mirror slider bore and upper mirror sliding block counterbore are coaxial, and the aperture of upper mirror sliding block counterbore is greater than the aperture of upper mirror slider bore, upper mirror slider bore It is interior to be equipped with internal screw thread；Top shoe is multi-diameter shaft, and one end of top shoe is outer equipped with what is matched with the internal screw thread of upper mirror slider bore Screw thread, top shoe are threadedly secured in mirror slider bore, and a cascaded surface of top shoe is close to the bottom of upper mirror sliding block counterbore Face；Each lower mirror arc column is equipped with a lower mirror sliding block counterbore, and the outside wall surface of lower mirror arc column is arranged in lower mirror sliding block counterbore On, the axis of lower mirror sliding block counterbore is vertical with the axis of zoom inner cylinder, and lower mirror slider bore is set to the bottom surface of lower mirror sliding block counterbore On, lower mirror slider bore and lower mirror sliding block counterbore are coaxial, and the aperture of lower mirror sliding block counterbore is greater than the aperture of lower mirror slider bore, and lower mirror is sliding Internal screw thread is equipped in block hole；Sliding block is multi-diameter shaft, and one end of sliding block is equipped with to be matched with the internal screw thread of lower mirror slider bore External screw thread, sliding block is threadedly secured in lower mirror slider bore, and a cascaded surface of sliding block is close to lower mirror sliding block counterbore Bottom surface.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: each Upper mirror arc column is equipped at least one upper limit position block, and each upper limit position block is fixed in the outside wall surface of mirror arc column, same Each upper limit position block and top shoe on a upper mirror arc column are located in the same upper straight line slot, upper limit position block and upper straight-line groove Hole inner wall clearance fit；Each lower mirror arc column is equipped at least one lower position block, and each lower position block is fixed on lower mirror arc In the outside wall surface of shape column, each lower position block and sliding block on the same lower mirror arc column are located at the same lower straight line slot It is interior, lower position block and lower straight line slot inner wall clearance fit.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: each Upper mirror arc column is equipped with upper mirror identical with upper limit position block quantity and limits counterbore, and upper mirror limit counterbore is arranged in upper mirror arc column Outside wall surface on, the axis of upper mirror limit counterbore is vertical with the axis of zoom inner cylinder, and upper mirror limit hole is set to mirror limit and sinks On the bottom surface in hole, upper mirror limit hole and upper mirror limit counterbore are coaxial, and the aperture of upper mirror limit counterbore is greater than the hole of upper mirror limit hole Diameter, upper mirror limit hole is interior to be equipped with internal screw thread；Upper limit position block is multi-diameter shaft, and one end of upper limit position block is equipped with and upper mirror limit hole The external screw thread that internal screw thread matches, upper limit position block and upper mirror limit hole correspond and are threadedly secured to mirror limit hole Interior, a cascaded surface of upper limit position block is close to the bottom surface of upper mirror limit counterbore；Each upper mirror arc column is equipped with and lower position block The identical lower mirror of quantity limits counterbore, and lower mirror limit counterbore is arranged in the outside wall surface of lower mirror arc column, lower mirror limit counterbore Axis is vertical with the axis of zoom inner cylinder, and lower mirror limit hole is set on the bottom surface of lower mirror limit counterbore, and lower mirror limit hole is under Mirror limit counterbore is coaxial, and the aperture of lower mirror limit counterbore is greater than the aperture of lower mirror limit hole, is equipped with internal screw thread in lower mirror limit hole； Lower position block is multi-diameter shaft, and one end of lower position block is equipped with the external screw thread matched with the internal screw thread of lower mirror limit hole, lower limit Position block and lower mirror limit hole are corresponded and are threadedly secured in lower mirror limit hole, and a cascaded surface of lower position block is close to The bottom surface of lower mirror limit counterbore.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: zoom Outer cylinder is equipped with multiplying power spacing slotted eye, and multiplying power spacing slotted eye penetrates through the barrel of zoom outer cylinder, and the axis of zoom outer cylinder is perpendicular to again The median plane of rate spacing slotted eye, zoom inner cylinder are equipped with multiplying power limited block, and multiplying power limited block is fixed on the outer wall of zoom inner cylinder, Multiplying power limited block be located in multiplying power spacing slotted eye and with multiplying power spacing slotted eye inner wall clearance fit.

Further, the utility model provides a kind of continuous zoom optical microscopy, can also have the following features: zoom Cylinder shell is equipped at least one shell fixation hole, and shell fixation hole penetrates through zoom cylinder shell, and shell fixation hole axis direction is Zoom cylinder shell is radial, and zoom outer cylinder is equipped with the outer cylinder fixation hole with shell fixation hole corresponding number, the fixed axially bored line of outer cylinder Direction and shell fixation hole axis direction correspond, and each outer cylinder fixation hole and a shell fixation hole are inserted into one admittedly simultaneously Rationed marketing is fixed；Zoom cylinder shell is equipped with zoom handwheel, and zoom handwheel is annular, and zoom handwheel is placed on outside zoom cylinder shell And it is coaxial with zoom cylinder shell, zoom handwheel outer wall is equipped with striped to enhance frictional force；It further include imaging cylinder, imaging cylinder is pipe Shape structure, one end that cylinder is imaged are fixed on zoom inner cylinder far from one end of objective tube, and imaging cylinder is close to zoom inner cylinder side Outer wall is equipped with rotation and indicates, the outer wall on zoom cylinder shell with rotation instruction corresponding position is equipped with rotating scale, and rotation refers to Show and cooperates instruction zoom outer cylinder and zoom inner cylinder relative rotation angle with rotating scale.

The utility model provides a kind of continuous zoom optical microscopy, by the way that upper and lower microscope base is arranged on zoom cylinder, and allows Upper and lower microscope base is according to the track of upper and lower curve slot and upper and lower straight line slot and upper zoom eyeglass, lower zoom eyeglass and object lens Axis coaxle movement, the spacing of adjustable upper zoom eyeglass, lower zoom eyeglass and object lens allows zoom eyeglass, lower zoom Eyeglass and the object lens zoom on same focal plane realize continuous zoom；By the way that two upper and lower mirror arc columns are respectively set, and enable, Line intersects vertically with zoom inner cylinder between sliding block central point, keeps upper and lower microscope base more accurate when moving along upper and lower curve slot Stablize, guarantees zoom effect；Lower mirror by the way that upper mirror cross bore and contour cooperation therewith is arranged, which intersects boss, makes upper and lower zoom mirror Piece distance during zoom can achieve recently, mentions high zoom while reducing microscopical volume；It is connected through a screw thread Fixed upper and lower fixing piece makes upper and lower zoom eyeglass easy to disassemble on upper and lower microscope base；It is sliding to be connected through a screw thread fixed upper and lower mirror Upper and lower mirror sliding block counterbore is arranged in block on upper and lower microscope base and on upper and lower microscope base, is stably fixed at upper and lower mirror sliding block It is easy to disassemble while on upper and lower microscope base；When moving upper and lower microscope base along upper and lower straight line slot by the way that upper and lower limits block is arranged More precisely stablize；It is connected through a screw thread fixed upper and lower limits block and upper and lower mirror is set on upper and lower microscope base and on upper and lower microscope base Counterbore is limited, keeps upper and lower limits block easy to disassemble while being stably fixed on upper and lower microscope base；It is limited by setting multiplying power Position slot is simultaneously limited with the multiplying power limited block being arranged in multiplying power spacing slotted eye, is rotated between zoom outer cylinder and zoom inner cylinder Angle is limited, to well realize microscopical anamorphosis function；Make to become by the way that zoom handwheel is arranged on zoom cylinder shell The rotation of times cylinder is easier, and by setting rotation instruction and rotating scale, indicates to rotate angle between zoom outer cylinder and zoom inner cylinder.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of continuous zoom optical microscopy.

Fig. 2 is zoom barrel structure schematic diagram.

Fig. 3 is the A-A the schematic diagram of the section structure of Fig. 2.

Fig. 4 is the I partial structural diagram of Fig. 3.

Fig. 5 is the structural schematic diagram after upper microscope base and the assembly of lower microscope base.

Fig. 6 is the B-B the schematic diagram of the section structure of Fig. 5.

Appended drawing reference: imaging cylinder 1, rotation instruction 1-1, zoom cylinder shell 201, rotating scale 201-1, shell fixation hole 201-2, zoom handwheel 201-3, zoom outer cylinder 202, upper curve slot 202-1, lower curve slot 202-2, multiplying power spacing slotted eye 202-3, outer cylinder fixation hole 202-4, zoom inner cylinder 203, upper straight line slot 203-1, lower straight line slot 203-2, positioning convex ring 203-3, upper microscope base 204, upper mirror holder 204-1, upper mirror fixation hole 204-11, upper sem observation hole 204-12, upper mirror cross bore 204- 13, upper mirror arc column 204-2, upper mirror slider bore 204-21, upper mirror convex block 204-22, upper mirror sliding block counterbore 204-23, upper mirror limit Position hole 204-24, upper mirror limit counterbore 204-25, top shoe 204-3, lower microscope base 205, lower mirror holder 205-1, lower mirror intersect boss 205-11, lower mirror fixing lug boss 205-12, lower sem observation hole 205-13, lower mirror fixation hole 205-14, lower mirror bulge loop 205-15, under Mirror arc column 205-2, lower mirror slider bore 205-21, lower mirror concave block 205-22, lower mirror sliding block counterbore 205-23, lower mirror limit hole 205-24, lower mirror limit counterbore 205-25, sliding block 205-3, upper zoom eyeglass 206, lower zoom eyeglass 207, upper fixing element 208, upper fixing element through-hole 208-1, upper fixing element bulge loop 208-2, lower fixing piece 209, lower fixing piece through-hole 209-1, lower fixation Part bulge loop 209-2, multiplying power limited block 210, objective tube 3.

Specific embodiment

The utility model is further described in the following with reference to the drawings and specific embodiments.

As shown in Figure 1 to Figure 3, a kind of continuous zoom optical microscopy, including imaging cylinder 1, zoom cylinder and objective tube 3.

Cylinder 1 is imaged and objective tube 3 is cylinder, cylinder 1 is imaged and objective tube 3 is cannulated structure, consolidates in objective tube 3 Surely object lens are provided with.

Zoom cylinder include zoom cylinder shell 201, zoom outer cylinder 202, zoom inner cylinder 203, upper microscope base 204, lower microscope base 205, Upper zoom eyeglass 206, lower zoom eyeglass 207.Zoom cylinder shell 201, zoom outer cylinder 202 and zoom inner cylinder 203 are circular tube shaped. Imaging cylinder 1, zoom inner cylinder 203 are sequentially coaxially fixedly connected from top to bottom with objective tube 3, and the outer wall of imaging 1 lower part of cylinder is equipped with Rotation instruction 1-1.Zoom cylinder shell 201 is placed on outside zoom outer cylinder 202, and zoom outer cylinder 202 is placed on outside zoom inner cylinder 203, zoom Cylinder shell 201, zoom outer cylinder 202 and zoom inner cylinder 203 are coaxial, clearance fit between zoom outer cylinder 202 and zoom inner cylinder 203.

The outer wall and rotation instruction 1-1 corresponding position on 201 top of zoom cylinder shell are equipped with rotating scale 201-1.Zoom cylinder It is set in the axial direction on the wall surface of shell 201 there are two shell fixation hole 201-2, the axis direction of shell fixation hole 201-2 hangs down Directly in the wall surface of shell fixation hole 201-2.There are two setting on 202 wall surface of zoom outer cylinder with shell fixation hole 201-2 corresponding position Outer cylinder fixation hole 202-4, shell fixation hole 201-2 is identical as the outer cylinder aperture fixation hole 202-4, shell fixation hole 201-2 and outer Cylinder fixation hole 202-4 is corresponded, and each shell fixation hole 201-2 and an outer cylinder fixation hole 202-4 are inserted into one admittedly simultaneously Rationed marketing is fixed, and fixed pin and shell fixation hole 201-2 are interference fitted, and fixed pin and outer cylinder fixation hole 202-4 are interference fitted. Rotation instruction 1-1 and rotating scale 201-1 cooperation instruction zoom outer cylinder 202 and 203 relative rotation angle of zoom inner cylinder.Zoom cylinder Shell 201 is equipped with zoom handwheel 201-3, and zoom handwheel 201-3 is annular, and zoom handwheel 201-3 is placed on zoom cylinder shell 201 The wall surface of lower part is outer and coaxial with zoom cylinder shell 201, and zoom handwheel 201-3 outer wall is equipped with vertical striped to enhance friction Power.

Upper curve slot 202-1, two lower curve slot 202-2 and multiplying power limiting slot there are two being set on zoom outer cylinder 202 Hole 202-3.Upper curve slot 202-1 and lower curve slot 202-2 penetrates through the barrel of zoom outer cylinder 202.Each upper curve slot It is non-intersecting between the 202-1 of hole, non-intersecting between each lower curve slot 202-2, each upper curve slot 202-1 and each lower song It is non-intersecting between line groove hole 202-2.Axisymmetrical of two upper curve slot 202-1 about zoom inner cylinder 203, two lower curves Axisymmetrical of the slot 202-2 about zoom inner cylinder 203.Multiplying power spacing slotted eye 202-3 penetrates through the barrel of zoom outer cylinder 202, becomes Perpendicular to the median plane of multiplying power spacing slotted eye 202-3, the center line of multiplying power spacing slotted eye 202-3 is the axis of times outer cylinder 202 180 ° of circular arc.

Upper straight line slot 203-1, two lower straight line slot 203-2, positioning convex ring 203- there are two being set on zoom inner cylinder 203 3 and multiplying power limited block 210.Upper straight line slot 203-1 and lower straight line slot 203-2 penetrates through the barrel of zoom inner cylinder 203, upper straight Line groove hole 203-1 centerline direction and lower straight line slot 203-2 centerline direction are parallel with the axis of zoom inner cylinder 203.Two Axisymmetrical of a upper straight line slot 203-1 about zoom inner cylinder 203, two lower straight line slot 203-2 are about zoom inner cylinder 203 Axisymmetrical.Positioning convex ring 203-3 is arranged in the outside wall surface of 203 lower part of zoom inner cylinder, positioning convex ring 203-3 top end surface Cooperate with 202 bottom end face of zoom outer cylinder.Multiplying power limited block 210 is bolt, and 210 one end of multiplying power limited block is threadedly secured to On the barrel of zoom inner cylinder 203,210 other end of multiplying power limited block be located in multiplying power spacing slotted eye 202-3 and with multiplying power limiting slot The inner wall clearance fit of hole 202-3.

As shown in Figures 4 to 6, upper microscope base 204 is including on upper mirror holder 204-1, two upper mirror arc column 204-2 and two Sliding block 204-3.Lower microscope base 205 includes lower mirror holder 205-1, two lower mirror arc column 205-2 and sliding block 205-3.

Upper mirror holder 204-1 and lower mirror holder 205-1 is the identical cylindrical body in cross section, and upper mirror holder 204-1 is set to lower mirror holder Between 205-1 and imaging cylinder 1, upper mirror holder 204-1 and zoom inner cylinder 203 are coaxial, and lower mirror holder 205-1 and zoom inner cylinder 203 are coaxial. Upper mirror arc column 204-2 and lower mirror arc column 205-2 is the circle ring column of a quarter, and two upper mirror arc column 204-2 are closed In the axisymmetrical of zoom inner cylinder 203, axisymmetrical of two lower mirror arc column 205-2 about zoom inner cylinder 203.Upper mirror arc Inner wall on column 204-2 and upper mirror holder 204-1 periphery with merging fixation, the inner wall on upper mirror arc column 204-2 and Lower mirror holder 205-1 periphery clearance fit, outside wall surface on upper mirror arc column 204-2 and between the inner wall of zoom inner cylinder 203 Gap cooperates, and the inner wall on lower mirror arc column 205-2 matches with lower mirror holder 205-1 periphery and merges fixation, lower mirror arc column 205 On inner wall and upper mirror holder 204-1 periphery clearance fit, outside wall surface and zoom inner cylinder 203 on lower mirror arc column 204 Inner wall clearance fit.

Each upper mirror arc column 204-2 is equipped with a upper mirror sliding block counterbore 204-23, and upper mirror sliding block counterbore 204-23 is set It sets in the outside wall surface of upper mirror arc column 204-2.The cross section of upper mirror sliding block counterbore 204-23 is circle, upper mirror sliding block counterbore The axis of 204-23 is vertical with the axis of zoom inner cylinder 203.Upper mirror slider bore 204-21 is set to mirror sliding block counterbore 204-23 Bottom surface on, upper mirror slider bore 204-21 and upper mirror sliding block counterbore 204-23 are coaxial, and the aperture of upper mirror sliding block counterbore 204-23 is big In the aperture of upper mirror slider bore 204-21, internal screw thread is equipped in upper mirror slider bore 204-21.Top shoe 204-3 is bolt such as Fig. 2 Shown, the internal screw thread of the external screw thread of top shoe 204-3 and upper mirror slider bore 204-21 match, and top shoe 204-3 is solid by screw thread It is scheduled in mirror slider bore 204-21, the bottom surface of upper mirror sliding block counterbore 204-23 is close in top shoe 204-3 bolt head bottom surface.Often A lower mirror arc column 205-2 is equipped with a lower mirror sliding block counterbore 205-23, and lower mirror sliding block counterbore 205-23 is arranged in lower mirror arc In the outside wall surface of shape column 205-2.The cross section of lower mirror sliding block counterbore 205-23 is circle, the axis of lower mirror sliding block counterbore 205-23 It is vertical with the axis of zoom inner cylinder 203.Lower mirror slider bore 205-21 is set on the bottom surface of lower mirror sliding block counterbore 205-23, lower mirror Slider bore 205-21 and lower mirror sliding block counterbore 205-23 are coaxial, and the aperture of lower mirror sliding block counterbore 205-23 is greater than lower mirror slider bore The aperture of 205-21, lower mirror slider bore 205-21 is interior to be equipped with internal screw thread.Sliding block 205-3 is bolt, and the 205-3's of sliding block is outer The internal screw thread of screw thread and lower mirror slider bore 205-21 match, and sliding block 205-3 is threadedly secured to lower mirror slider bore 205-21 Interior, the bottom surface of lower mirror sliding block counterbore 205-23 is close in sliding block 205-3 bolt head bottom surface.

The bolt head of one top shoe 204-3 passes through a upper straight line slot 203-1 and in a upper curve slot The interior inner wall clearance fit with upper curve slot 202-1 of 202-1.The bolt head of another top shoe 204-3 passes through another Upper straight line slot 203-1 and the inner wall clearance fit in another upper curve slot 202-1 with upper curve slot 202-1.One The bolt head of a sliding block 205-3 pass through a lower straight line slot 203-2 and in a lower curve slot 202-2 with lower song The inner wall clearance fit of line groove hole 202-2.The bolt head of another sliding block 205-3 passes through another lower straight line slot 203- 2 and the inner wall clearance fit in another lower curve slot 202-2 with lower curve slot 202-2.

Each upper mirror sliding block counterbore 204-23 is equipped with a upper mirror along the top of 203 axis direction of zoom inner cylinder and limits counterbore The axis of 204-25, upper mirror limit counterbore 204-25 are vertical with the axis of zoom inner cylinder 203.Upper mirror limit hole 204-24 is set to On the bottom surface of upper mirror limit counterbore 204-25, upper mirror limit hole 204-24 and upper mirror limit counterbore 204-25 are coaxial, upper mirror limit The aperture of counterbore 204-25 is greater than the aperture of upper mirror limit hole 204-24, is equipped with internal screw thread in upper mirror limit hole 204-24.The upper limit Position block is bolt, and the external screw thread of upper limit position block and the internal screw thread of upper mirror limit hole 204-24 match, and upper limit position block is solid by screw thread It is scheduled in mirror limit hole 204-24, the bottom surface of upper mirror limit counterbore 204-25 is close in upper limit position block bolt head bottom surface.It is same Upper limit position block and top shoe 204-3 on a upper mirror arc column 204-2 are located in the same upper straight line slot 203-1, upper limit Block and upper straight line slot 203-1 inner wall clearance fit.

Each lower mirror sliding block counterbore 205-23 is equipped with a lower mirror along the top of 203 axis direction of zoom inner cylinder and limits counterbore The axis of 205-25, lower mirror limit counterbore 205-25 are vertical with the axis of zoom inner cylinder 203.Lower mirror limit hole 205-24 is set to On the bottom surface of lower mirror limit counterbore 205-25, lower mirror limit hole 205-24 and lower mirror limit counterbore 205-25 are coaxial, lower mirror limit The aperture of counterbore 205-25 is greater than the aperture of lower mirror limit hole 205-24, is equipped with internal screw thread in lower mirror limit hole 205-24.Lower limit Position block is bolt, and the external screw thread of lower position block and the internal screw thread of lower mirror limit hole 205-24 match, and lower position block is solid by screw thread It is scheduled in lower mirror limit hole 205-24, the bottom surface of lower mirror limit counterbore 205-25 is close in lower position block bolt head bottom surface.It is same Lower position block and sliding block 204-3 on a lower mirror arc column 205-2 are located in the same lower straight line slot 203-1, lower limit Block and lower straight line slot 203-1 inner wall clearance fit.

The top end surface of upper mirror holder 204-1 is equipped with upper mirror fixation hole 204-11, in upper mirror fixation hole 204-11 and zoom Cylinder 203 is coaxial, and upper zoom eyeglass 206 is set in mirror fixation hole 204-11.The bottom end face of upper mirror holder 204-1 is equipped with upper Mirror cross bore 204-13, upper mirror cross bore 204-13 and zoom inner cylinder 203 are coaxial.Upper mirror fixation hole 204-11 and upper mirror cross bore It is connected between 204-13 by upper sem observation hole 204-12, upper sem observation hole 204-12 and zoom inner cylinder 203 are coaxial, upper sem observation The aperture of hole 204-12 is less than upper mirror fixation hole 204-11.The top of each upper mirror arc column 204-2 is equipped with a upper mirror convex block 204-22, upper mirror convex block 204-22 are the circle ring column of a quarter, the outside wall surface of upper mirror convex block 204-22 and upper mirror arc column The inner wall cooperation of 204-2 aligns and fixes, and the inner wall of upper mirror convex block 204-22 is equipped with screw thread.Upper microscope base 204 is equipped with Upper fixing element 208, upper fixing element 208 be it is barrel-shaped, upper fixing element 208 and zoom inner cylinder 203 are coaxial, 208 outer wall of upper fixing element and The inner wall clearance fit of upper mirror arc column 204-2.Upper fixing element bulge loop 208- is fixed on 208 bung hole outer wall of upper fixing element 2, upper fixing element bulge loop 208-2 and zoom inner cylinder 203 are coaxial, and the outer wall of upper fixing element bulge loop 208-2 is equipped with and upper mirror convex block The external screw thread that the upper screw thread of 204-22 matches, upper fixing element bulge loop 208-2 are threadedly secured on mirror convex block 204-22.On Fixing piece 208 barrels of bottoms position is equipped with the upper fixing element through-hole 208-1 at perforation 208 barrels of bottoms of upper fixing element, upper fixing element through-hole 208-1 and zoom inner cylinder 203 are coaxial, and 208 barrels of bottoms of upper fixing element and upper mirror fixation hole 204-11 are fixedly clamped, and to be set to mirror solid Determine the upper zoom eyeglass 206 in the 204-11 of hole.

The top end surface of lower mirror holder 205-1 is equipped with lower mirror and intersects boss 205-11, and lower mirror intersects boss 205-11 and becomes Times inner cylinder 203 is coaxial, and lower mirror intersects the outer surface boss 205-11 and the inner surface of upper mirror cross bore 204-13 cooperates, and lower mirror intersects Boss 205-11 is identical as upper mirror cross bore 204-13 height, and the bottom end face of lower mirror holder 205-1 is equipped with lower mirror fixing lug boss 205-12, lower mirror fixing lug boss 205-12 and zoom inner cylinder 203 are coaxial, and the surface of lower mirror fixing lug boss 205-12 is equipped with lower mirror Fixation hole 205-14, lower mirror fixation hole 205-14 and zoom inner cylinder 203 are coaxial, and the lower mirror aperture fixation hole 205-14 is handed over less than lower mirror Boss 205-11 diameter is pitched, lower zoom eyeglass 207 is set in lower mirror fixation hole 205-14, and lower mirror intersects the table of boss 205-11 Face is equipped with lower sem observation hole 205-13, and lower sem observation hole 205-13 and zoom inner cylinder 203 are coaxial, the lower sem observation hole hole 205-13 Diameter is less than the lower aperture mirror fixation hole 205-14, and lower sem observation hole 205-13 penetrates through the lower bottom mirror fixation hole 205-14.Each lower mirror The top arc column 205-2 is equipped with a lower mirror concave block 205-22, and lower mirror concave block 205-22 is the circle ring column of a quarter, lower mirror Concave block 205-22 axis is parallel with 203 axis of zoom inner cylinder, and lower mirror concave block 205-22 height is greater than upper fixing element bulge loop 208-1's Highly, upper fixing element bulge loop 208-2 is set in lower mirror concave block 205-22, and the outer wall of upper fixing element bulge loop 208-2 and lower mirror are recessed Block 205-22 wall surface clearance fit.Lower mirror fixing lug boss 205-12 be equipped with lower mirror bulge loop 205-15, lower mirror bulge loop 205-15 with Zoom inner cylinder 203 is coaxial, and lower mirror bulge loop 205-15 outer wall is equipped with external screw thread.Lower microscope base 205 is equipped with lower fixing piece 209, under Fixing piece 209 is barreled, and lower fixing piece 209 and zoom inner cylinder 203 are coaxial, are fixed with down on lower 209 bung hole outer wall of fixing piece Fixing piece bulge loop 209-2, lower fixing piece bulge loop 209-2 and zoom inner cylinder 203 are coaxial, on the inner wall of lower fixing piece bulge loop 209-2 Equipped with the internal screw thread matched with external screw thread on lower mirror bulge loop 205-15, lower fixing piece 209 is placed on outside lower fixing lug boss 205-12, Lower fixing piece bulge loop 209-2 is threadedly secured on lower mirror bulge loop 205-15.Lower fixing piece 209 barrels of bottoms position is equipped with perforation The lower fixing piece through-hole 209-1 at 209 barrels of bottoms of lower fixing piece, lower fixing piece through-hole 209-1 and zoom inner cylinder 203 are coaxial, lower fixation 209 barrels of bottoms of part and lower mirror fixation hole 205-14 are fixedly clamped the lower zoom eyeglass 207 being set in lower mirror fixation hole 205-14.

The focus of the focus of upper zoom eyeglass 206, the focus of lower zoom eyeglass 207 and object lens is in zoom inner cylinder 203 On axis.The direction of rotation of zoom outer cylinder 202 is vertical with the axis of zoom inner cylinder 203.Zoom outer cylinder 202 and zoom inner cylinder 203 Between rotate angle consecutive variations when, top shoe 204-3 along the intersection point of upper curve slot 202-1 and upper straight line slot 203-1 transport Dynamic, upper microscope base 204 moves under top shoe 204-3 drive along the axis direction of zoom inner cylinder 203, and sliding block 205-3 is along lower song The nodal motion of line groove hole 202-2 and lower straight line slot 203-2, lower microscope base 205 is under sliding block 205-3 drive along zoom inner cylinder 203 axis direction movement.The position of upper zoom eyeglass 206 and the position one of lower zoom eyeglass 207 change and make zoom mirror Piece 206, lower zoom eyeglass 207, distance change between object lens change to make enlargement ratio is imaged.Upper curve slot 202-1 and The position of center line of lower curve slot 202-2 is the position for enabling to be imaged enlargement ratio consecutive variations.

The working principle and advantage of embodiment:

In this example continuous zoom optical microscopy use process, user will need the object observed being placed on object lens just Lower section, and the nozzle that cylinder is imaged is connected with CCD interface or other image devices, it then rotates zoom handwheel 201-3 and drives Zoom outer cylinder 202 is rotated centered on the axis of zoom inner cylinder 203, makes microscope base 204 under top shoe 204-3 drive, along upper The nodal motion of curve slot 202-1 and upper straight line slot 203-1, while drive lower microscope base 205 in sliding block 205-3 Under, along the nodal motion of lower curve slot 202-2 and lower straight line slot 203-2, upper microscope base 204 and lower microscope base 205 are along zoom 203 axial-movements of cylinder.CCD interface or other image devices, upper zoom eyeglass 206, lower zoom eyeglass 207 and object lens spacing with Upper microscope base 204 and lower 205 change in location of microscope base and change, according to the center of upper curve slot 202-1 and lower curve slot 202-2 Line position, imaging enlargement ratio consecutive variations with the rotation of zoom outer cylinder 202.Because low power to high power zoom all same It is carried out on one focal plane, and intersects the coincidence of boss 205-11, upper 206 He of zoom eyeglass by upper mirror cross bore 204-13 and lower mirror Lower 207 distance of zoom eyeglass can be very close, so the continuous zoom optical microscopy of this example is bigger than multiplying power variation range, decomposes Rate is high, and operating distance is long.The ratio multiplying power of continuous zoom optical microscopy is 1:12 in this example, and the resolution ratio of 50 times of object lens is 3.36 ~0.75 μm, operating distance 14mm.

Claims (10)

1. a kind of continuous zoom optical microscopy, it is characterised in that:

Including zoom cylinder and objective tube；

The zoom cylinder and the objective tube are sequentially coaxially fixed, and the objective tube is tubular structure, fix in the objective tube It is provided with object lens；

The zoom cylinder includes zoom cylinder shell, zoom outer cylinder, zoom inner cylinder, upper microscope base, lower microscope base, upper zoom eyeglass, lower change Times eyeglass；

The zoom cylinder shell fixation is placed on outside the zoom outer cylinder, and the zoom outer cylinder is placed on outside the zoom inner cylinder, described Clearance fit between the outside wall surface of zoom inner cylinder and the inner wall of the zoom outer cylinder, the zoom inner cylinder is close to the objective tube Outside wall surface be equipped with positioning convex ring, end face of the positioning convex ring far from the objective tube and the zoom outer cylinder are close to described The end face of objective tube cooperates, and the zoom outer cylinder is rotated by shaft of the zoom inner cylinder；

The outer surface of the upper microscope base and the lower microscope base all cooperates with the internal surface gaps of the zoom inner cylinder, the upper microscope base With the lower microscope base along the zoom inner cylinder axial-movement, the upper microscope base is equipped with the upper zoom eyeglass, the lower microscope base It is equipped with the lower zoom eyeglass, the coke of the focus of the upper zoom eyeglass, the focus of the lower zoom eyeglass and the object lens Point is on the axis of the zoom inner cylinder；

It is fixed at least one top shoe on the upper microscope base, is fixed at least one sliding block on the lower microscope base；

The barrel of the zoom inner cylinder is equipped with upper straight line slot identical with the top shoe quantity, the cylinder of the zoom inner cylinder Wall is equipped with lower straight line slot identical with the downslide number of blocks, and the upper straight line slot and the lower straight line slot penetrate through The barrel of the zoom inner cylinder, the upper straight-line groove centerline hole direction and the lower straight-line groove centerline hole direction with it is described The axis of zoom inner cylinder is parallel；

The barrel of the zoom outer cylinder is equipped with upper curve slot identical with upper straight-line groove hole number, the cylinder of the zoom outer cylinder Wall is equipped with lower curve slot identical with lower straight-line groove hole number, and the upper curve slot is penetrated through with the lower curve slot The barrel of the zoom outer cylinder, it is non-intersecting between each upper curve slot, it is non-intersecting between each lower curve slot, It is non-intersecting between each upper curve slot and each lower curve slot；

One top shoe pass through a upper straight line slot and in a upper curve slot with the upper curve The inner wall clearance fit of slot, one and only one interior described top shoe of each upper curve slot, a sliding block pass through One lower straight line slot and the inner wall clearance fit in a lower curve slot with the lower curve slot, each One and only one described sliding block in lower curve slot；

When rotating angle consecutive variations between the zoom outer cylinder and the zoom inner cylinder, the top shoe is along the upper curve slot The nodal motion in hole and the upper straight line slot, the upper microscope base drive the axis of zoom inner cylinder described in lower edge in the top shoe Direction movement, the sliding block is along the nodal motion of the lower curve slot and the lower straight line slot, and the lower microscope base is in institute State the axis direction movement that sliding block drives zoom inner cylinder described in lower edge, the position of the upper zoom eyeglass and the lower zoom mirror The position one of piece, which changes, makes the upper zoom eyeglass, the lower zoom eyeglass, distance change between the object lens, to make into As enlargement ratio change, the position of center line of the upper curve slot and the lower curve slot is to keep imaging enlargement ratio continuous The position of variation.

2. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

The objective tube is cylinder, and the zoom cylinder shell, the zoom outer cylinder and the zoom inner cylinder are circular tube shaped；

The upper microscope base includes upper mirror holder and upper mirror arc column identical with the top shoe quantity, and the lower microscope base includes lower mirror Frame and lower mirror arc column identical with the downslide number of blocks；

The upper mirror holder and the lower mirror holder are the identical cylindrical body in cross section, and the lower mirror holder is set to the upper mirror holder and institute State between objective tube, the upper mirror holder and the zoom inner cylinder are coaxial, and the lower mirror holder and the zoom inner cylinder are coaxial, it is described on Zoom eyeglass is arranged on upper mirror holder, and the lower zoom eyeglass is arranged on lower mirror holder；

The upper mirror arc column and the lower mirror arc column are local circle ring column, the inner wall on the upper mirror arc column with The upper mirror holder periphery is fixed with merging, inner wall and the lower mirror holder periphery gap on the upper mirror arc column Cooperate, the inner wall clearance fit of outside wall surface and the zoom inner cylinder on the upper mirror arc column, on the lower mirror arc column Inner wall and the lower mirror holder periphery with fixations is merged, the inner wall on the lower mirror arc column is justified with the upper mirror holder Column surface gap cooperates, the inner wall clearance fit of outside wall surface and the zoom inner cylinder on the lower mirror arc column；

Each upper mirror arc column is equipped with a top shoe, and each top shoe is fixed on the upper mirror arc column Outside wall surface on, each lower mirror arc column be equipped with a sliding block, each sliding block be fixed on one it is described under In the outside wall surface of mirror arc column.

3. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

The upper microscope base includes two upper mirror arc columns, and the lower microscope base includes two lower mirror arc columns；

The axis of line and the zoom inner cylinder between two top shoe central points intersects vertically, two sliding blocks The axis of line and the zoom inner cylinder between central point intersects vertically；

Axisymmetrical of the upper curve slot about the zoom inner cylinder, the lower curve slot is about the zoom inner cylinder Axisymmetrical, axisymmetrical of the upper straight line slot about the zoom inner cylinder, the lower straight line slot is about the zoom The axisymmetrical of inner cylinder.

4. a kind of continuous zoom optical microscopy as claimed in claim 2, it is characterised in that:

End face on the upper mirror holder far from the objective tube is equipped with upper mirror fixation hole, the upper mirror fixation hole and the zoom Inner cylinder is coaxial, and the upper zoom eyeglass is fixed in the upper mirror fixation hole, close to the end of the objective tube on the upper mirror holder Face is equipped with upper mirror cross bore, and the upper mirror cross bore and the zoom inner cylinder are coaxial, the upper mirror fixation hole and the upper mirror It is connected between cross bore by upper sem observation hole, the upper sem observation hole and the zoom inner cylinder are coaxial, the upper sem observation hole Aperture be less than the upper mirror fixation hole；

End face on the lower mirror holder far from the objective tube is equipped with lower mirror and intersects boss, the lower mirror intersect boss with it is described Zoom inner cylinder is coaxial, and the lower mirror intersects boss outer surface and the inner surface of the upper mirror cross bore cooperates, and the lower mirror intersects Boss is identical as the upper mirror cross bore height, convex equipped with the fixation of lower mirror close to the end face of the objective tube on the lower mirror holder Platform, the lower mirror fixing lug boss and the zoom inner cylinder are coaxial, and the surface of the lower mirror fixing lug boss is equipped with lower mirror fixation hole, The lower mirror fixation hole and the zoom inner cylinder are coaxial, and the lower mirror fixation hole aperture is less than the lower mirror and intersects boss diameter, The lower zoom eyeglass is fixed in the lower mirror fixation hole, and the surface that the lower mirror intersects boss is equipped with lower sem observation hole, The lower sem observation hole and the zoom inner cylinder are coaxial, and the lower sem observation hole aperture is less than the lower mirror fixation hole aperture, institute It states lower sem observation hole and penetrates through the lower mirror fixation hole bottom.

5. a kind of continuous zoom optical microscopy as claimed in claim 3, it is characterised in that:

The upper microscope base includes mirror arc column at least two, and the lower microscope base includes at least two lower mirror arc columns；

Each upper mirror arc column is equipped with a upper mirror convex block, and the upper mirror convex block is located remotely from one end of the objective tube On, the upper mirror convex block is local circle ring column, the inner wall of outside wall surface and the upper mirror arc column on the upper mirror convex block It is fixed with merging, the inner wall of the upper mirror convex block is equipped with screw thread；

The upper microscope base be equipped with upper fixing element, fixed part be it is barrel-shaped, fixed part and the zoom inner cylinder are same Axis, the inner wall clearance fit of fixed part outer wall and the upper mirror arc column are solid on fixed part bung hole outer wall Surely it is equipped with upper fixing element bulge loop, fixed part bulge loop and the zoom inner cylinder are coaxial, the outer wall of fixed part bulge loop It is equipped with the external screw thread matched with screw thread on the upper mirror convex block, it is convex that fixed part bulge loop is threadedly secured to mirror On block, fixed part bucket bottom position is equipped with the upper fixing element through-hole at perforation fixed part bucket bottom, fixed Part through-hole and the zoom inner cylinder are coaxial, and fixed part bucket bottom and the upper mirror fixation hole are fixedly clamped and are set on described Upper zoom eyeglass in mirror fixation hole；

Each lower mirror arc column is equipped with a lower mirror concave block, and the lower mirror concave block is located remotely from one end of the objective tube On, the lower mirror concave block is local circle ring column, and the lower mirror concave block axis is parallel with the zoom inner cylinder axis, the lower mirror Concave block height is greater than fixed part bulge loop height, and fixed part bulge loop is set in the lower mirror concave block, it is described on The outer wall of fixing piece bulge loop and the lower mirror concave block wall surface clearance fit；

The lower mirror fixing lug boss is equipped with lower mirror bulge loop, and the lower mirror bulge loop and the zoom inner cylinder are coaxial, and the lower mirror is convex Ring outer wall is equipped with external screw thread；

The lower microscope base is equipped with lower fixing piece, and the lower fixing piece is barreled, and the lower fixing piece and the zoom inner cylinder are same Axis is fixed with lower fixing piece bulge loop, the lower fixing piece bulge loop and the zoom inner cylinder on the lower fixing piece bung hole outer wall Coaxially, the inner wall of the lower fixing piece bulge loop is equipped with the internal screw thread matched with external screw thread on the lower mirror bulge loop, under described Fixing piece is placed on outside the lower fixing lug boss, and the lower fixing piece bulge loop is threadedly secured on lower mirror bulge loop, described lower solid Determine part bucket bottom position and is equipped with the lower fixing piece through-hole for penetrating through the lower fixing piece bucket bottom, the lower fixing piece through-hole and the change Times inner cylinder is coaxial, and the lower fixing piece bucket bottom and the lower mirror fixation hole are fixedly clamped under being set in the lower mirror fixation hole Zoom eyeglass.

6. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

Each upper mirror arc column is equipped with a upper mirror sliding block counterbore, and the upper mirror sliding block counterbore is arranged in the upper mirror arc In outside wall surface on shape column, the axis of the upper mirror sliding block counterbore is vertical with the axis of the zoom inner cylinder, and upper mirror slider bore is set It is placed on the bottom surface of the upper mirror sliding block counterbore, the upper mirror slider bore and the upper mirror sliding block counterbore are coaxial, and the upper mirror is sliding The aperture of block counterbore is greater than the aperture of the upper mirror slider bore, is equipped with internal screw thread in the upper mirror slider bore；

The top shoe is multi-diameter shaft, and one end of the top shoe is equipped with to be matched with the internal screw thread of the upper mirror slider bore External screw thread, the top shoe are threadedly secured in the upper mirror slider bore, and a cascaded surface of the top shoe is close to institute State the bottom surface of mirror sliding block counterbore；

Each lower mirror arc column is equipped with a lower mirror sliding block counterbore, and the lower mirror sliding block counterbore is arranged in the lower mirror arc In the outside wall surface of shape column, the axis of the lower mirror sliding block counterbore is vertical with the axis of the zoom inner cylinder, lower mirror slider bore setting In on the bottom surface of the lower mirror sliding block counterbore, the lower mirror slider bore and the lower mirror sliding block counterbore are coaxial, the lower mirror sliding block The aperture of counterbore is greater than the aperture of the lower mirror slider bore, is equipped with internal screw thread in the lower mirror slider bore；

The sliding block is multi-diameter shaft, and one end of the sliding block is equipped with to be matched with the internal screw thread of the lower mirror slider bore External screw thread, the sliding block are threadedly secured in the lower mirror slider bore, and a cascaded surface of the sliding block is close to institute State the bottom surface of lower mirror sliding block counterbore.

7. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

Each upper mirror arc column is equipped at least one upper limit position block, and each upper limit position block is fixed on the upper mirror arc In the outside wall surface of shape column, the upper limit position block and the top shoe are located at same each of on the same upper mirror arc column In the upper straight line slot, the upper limit position block and the upper straight line slot inner wall clearance fit；

Each lower mirror arc column is equipped at least one lower position block, and each lower position block is fixed on the lower mirror arc In the outside wall surface of shape column, the lower position block and the sliding block are located at same each of on the same lower mirror arc column In the lower straight line slot, the lower position block and the lower straight line slot inner wall clearance fit.

8. a kind of continuous zoom optical microscopy as claimed in claim 5, it is characterised in that:

Each upper mirror arc column is equipped with upper mirror identical with the upper limit position block quantity and limits counterbore, the upper mirror limit Counterbore is arranged in the outside wall surface of the upper mirror arc column, the axis of the upper mirror limit counterbore and the axis of the zoom inner cylinder Vertically, the upper mirror limit hole is set on the bottom surface of the upper mirror limit counterbore, and the upper mirror limit hole and the upper mirror limit Position counterbore is coaxial, and the aperture of the upper mirror limit counterbore is greater than the aperture of the upper mirror limit hole, sets in the upper mirror limit hole There is internal screw thread；

The upper limit position block is multi-diameter shaft, and one end of the upper limit position block is equipped with to match with the internal screw thread of the upper mirror limit hole The external screw thread of conjunction, the upper limit position block and the upper mirror limit hole correspond and are threadedly secured to the upper mirror limit hole Interior, a cascaded surface of the upper limit position block is close to the bottom surface of the upper mirror limit counterbore；

Each upper mirror arc column is equipped with lower mirror identical with the quantity of the lower position block and limits counterbore, the lower mirror limit Position counterbore is arranged in the outside wall surface of the lower mirror arc column, the axis of the lower mirror limit counterbore and the axis of the zoom inner cylinder Line is vertical, and the lower mirror limit hole is set on the bottom surface of the lower mirror limit counterbore, the lower mirror limit hole and the lower mirror Limit that counterbore is coaxial, the aperture of the lower mirror limit counterbore is greater than the aperture of the lower mirror limit hole, in the lower mirror limit hole Equipped with internal screw thread；

The lower position block is multi-diameter shaft, and one end of the lower position block is equipped with to match with the internal screw thread of the lower mirror limit hole The external screw thread of conjunction, the lower position block and the lower mirror limit hole correspond and are threadedly secured to the lower mirror limit hole Interior, a cascaded surface of the lower position block is close to the bottom surface of the lower mirror limit counterbore.

9. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

The zoom outer cylinder is equipped with multiplying power spacing slotted eye, and the multiplying power spacing slotted eye penetrates through the barrel of the zoom outer cylinder, institute Median plane of the axis perpendicular to the multiplying power spacing slotted eye of zoom outer cylinder is stated, the zoom inner cylinder is equipped with multiplying power limited block, The multiplying power limited block is fixed on the outer wall of the zoom inner cylinder, and the multiplying power limited block is located in the multiplying power spacing slotted eye And with the multiplying power spacing slotted eye inner wall clearance fit.

10. a kind of continuous zoom optical microscopy as described in claim 1, it is characterised in that:

The zoom cylinder shell is equipped at least one shell fixation hole, and the shell fixation hole penetrates through the zoom cylinder shell, The shell fixation hole axis direction is that the zoom cylinder shell is radial, and the zoom outer cylinder is equipped with and the shell fixation hole The outer cylinder fixation hole of corresponding number, the outer cylinder fixation hole axis direction and the shell fixation hole axis direction correspond, Each outer cylinder fixation hole is inserted into a fixed pin with a shell fixation hole simultaneously and is fixed；

The zoom cylinder shell is equipped with zoom handwheel, and the zoom handwheel is annular, and the zoom handwheel is placed on the zoom Cylinder shell is outer and coaxial with the zoom cylinder shell, and the zoom handwheel outer wall is equipped with striped to enhance frictional force；

It further include imaging cylinder, the imaging cylinder is tubular structure, and it is separate that one end of the imaging cylinder is fixed on the zoom inner cylinder On one end of the objective tube, outer wall of the imaging cylinder close to zoom inner cylinder side is equipped with rotation instruction, the change Rotating scale, the rotation instruction and rotation quarter are equipped with the outer wall of the rotation instruction corresponding position on times cylinder shell Degree cooperation indicates the zoom outer cylinder and the zoom inner cylinder relative rotation angle.