CN209690612U - A kind of object lens regulating device, image-forming assembly and microscope - Google Patents

Abstract

The utility model relates to a kind of object lens regulating device, image-forming assembly and microscopes, and wherein object lens regulating device is installed on object lens, comprising: first sleeve has installation part, and the installation part with axial one end of the object lens for being fixedly connected；Second sleeve, for circumferentially surrounding the object lens setting, radially there is gap in the outer surface of the object lens and the inner surface of the second sleeve, along axial direction, the lower end surface of the first sleeve is placed in the upper surface of the second sleeve；3rd sleeve is arranged around the first sleeve and the second sleeve, and the outer surface of the inner surface of the 3rd sleeve and the first sleeve radially has gap, and connect with the outer surface thread of the second sleeve；Regulating part is set in the 3rd sleeve, and the regulating part is used to that the first sleeve to be driven to translate along the radial direction in the upper surface of the second sleeve.The object lens regulating device of the utility model can either be realized of one mind and can be realized parfocalization.

Description

A kind of object lens regulating device, image-forming assembly and microscope

Technical field

The utility model relates to microscope technology fields, and in particular to a kind of object lens regulating device, image-forming assembly and micro- Mirror.

Background technique

Microscope is a kind of optical instrument being made of the combination of a lens or several lens, in health care, biology There is extensive utilization in the fields such as detection, metallographic detection and integrated circuit detection.Sample can be generally placed on objective table, passed through The movement of objective table, such as the moving to, Y-direction along X, the observation of complete paired samples.

For example, the Chinese patent literature of Publication No. CN104423027A disclose it is a kind of including the micro- of recording unit Mirror, the recording unit have amplification image formation optical unit and image module, for the multiple of the first picture frequency record sample Image and number evaluation unit, these images recorded are provided to the number evaluation unit, and the number evaluation list Member executes predetermined image procossing based on these images recorded, and result generates multiple outputs with the second picture frequency Image, which is less than first picture frequency or is equal to first picture frequency, and can transfer them to Output unit is to be indicated.

Utility model content

To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of object lens regulating device, the object lens tune Regulating device is installed on object lens, comprising:

First sleeve has installation part, and the installation part with axial one end of the object lens for being fixedly connected；

Second sleeve, for circumferentially surrounding the object lens setting, the outer surface of the object lens and the second sleeve Radially there is gap in inner surface, along axial direction, the lower end surface of the first sleeve is placed in the upper surface of the second sleeve；

3rd sleeve is arranged around the first sleeve and the second sleeve, the inner surface of the 3rd sleeve and institute Radially there is gap in the outer surface for stating first sleeve, and connect with the outer surface thread of the second sleeve；

Regulating part is set in the 3rd sleeve, and the regulating part is for driving the first sleeve to exist along the radial direction The upper surface of the second sleeve translates.

Optionally, further includes: elastic component, the elastic component are set to the upper surface of the first sleeve.

Optionally, the lower end surface of the second sleeve is circumferentially arranged at least one notch.

Optionally, the regulating part includes the screw mounting hole in the 3rd sleeve, and is set to the screw Holding screw in mounting hole, the screw mounting hole radially extend described in.

Optionally, the screw mounting hole is at least two, along the circumferential setting.

Optionally, the elastic component is three wave crest washers.

The utility model also provides a kind of image-forming assembly, comprising: reference for installation plate；Object lens, axial one end of the object lens With the axially opposed setting of reference for installation plate；Object lens regulating device described in any of the above embodiments, the axis of the 3rd sleeve It is installed on the reference for installation plate to one end, the first sleeve is sheathed on axial one end of the object lens.

Optionally, elastic component is equipped between the axial direction, the upper surface of the first sleeve and the reference for installation plate, The elastic component offsets with the upper surface of the first sleeve and the reference for installation plate respectively.

Optionally, the object lens regulating device at least two is set to the reference for installation plate along the circumferential direction.

The utility model also provides a kind of microscope, comprising: image-forming assembly described in any of the above embodiments.

As above, the utility model provides a kind of object lens regulating device, and the object lens regulating device is installed on object lens, packet Include: first sleeve has installation part, and for installation part for being fixedly connected with axial one end of object lens, installation part is, for example, first set The internal screw thread of cylinder, axial one end of object lens have external screw thread, and first sleeve and object lens are threadedly coupled；Second sleeve, for along week It is arranged to around the object lens, the inner surface of the outer surface of the object lens and the second sleeve radially has gap, along axis To the lower end surface of the first sleeve is placed in the upper surface of the second sleeve；3rd sleeve, around the first sleeve and Radially there is gap in the outer surface of the second sleeve setting, the inner surface of the 3rd sleeve and the first sleeve, and It is connect with the outer surface thread of the second sleeve；Regulating part is set in the 3rd sleeve, and the regulating part is for driving institute It states first sleeve and is translated along the radial direction in the upper surface of the second sleeve.The object lens regulating device of the utility model can either It realizes of one mind, and can be realized parfocalization.

For the above content of the utility model can be clearer and more comprehensible, preferred embodiment and detailed in conjunction with attached drawing is cited below particularly Explanation.

Detailed description of the invention

Fig. 1 is the microscopical side view of the utility model embodiment；

Fig. 2 is the side view one of the utility model embodiment microlens part device；

Fig. 3 is the perspective view one of the utility model embodiment microlens part device；

Fig. 4 is the side view two of the utility model embodiment microlens part device；

Fig. 5 is the perspective view two of the utility model embodiment microlens part device；

Fig. 6 is the perspective view of image-forming assembly in the utility model embodiment microlens part device；

Fig. 7 is the side view of image-forming assembly in the utility model embodiment microlens part device；

Fig. 8 is the top view of image-forming assembly in the utility model embodiment microlens part device；

Fig. 9 is the perspective view one of the utility model embodiment object lens regulating device；

Figure 10 is the perspective view two of the utility model embodiment object lens regulating device；

Figure 11 is the side view of the utility model embodiment object lens regulating device；

Figure 12 is the cross-sectional view of the utility model embodiment object lens regulating device；

Figure 13 is the perspective view two of the utility model embodiment image-forming assembly；

Figure 14 is the side view two of the utility model embodiment image-forming assembly；

Figure 15 is the perspective view one of the utility model embodiment object lens capstan head；

Figure 16 is the perspective view two of the utility model embodiment object lens capstan head；

Figure 17 is the side view one of the utility model embodiment object lens capstan head；

Figure 18 is the top view of the utility model embodiment object lens capstan head；

Figure 19 is the side view two of the utility model embodiment object lens capstan head.

Specific embodiment

The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this theory The bright revealed content of book understands other advantages and effect of the utility model easily.Although the description of the utility model will tie It closes preferred embodiment to introduce together, but this feature for not representing this utility model is only limitted to the embodiment.On the contrary, knot Closing the purpose that embodiment makees utility model introduction is to be possible to extend to cover the claim based on the utility model Other selections or transformation out.In order to provide to the understanding of the depth of the utility model, be described below in will be comprising many specific Details.The utility model can also be implemented without using these details.In addition, in order to avoid the weight of chaotic or fuzzy the utility model Point, some details will be omitted in the de-scription.It should be noted that in the absence of conflict, in the utility model Feature in embodiment and embodiment can be combined with each other.

Referring to figs. 1 to Fig. 3, the utility model provides a kind of microlens part device 10, is installed on microscope 1.This reality It applies in example, microlens part device 10 includes: the image-forming assembly set gradually along first direction (in Fig. 2 and Fig. 3 shown in X-direction) 11, the first sliding part 12 and the second sliding part 13.Wherein, the first sliding part 12 prolongs (in Fig. 3 shown in Y-direction) in a second direction It stretches, second direction and first direction are mutually perpendicular to, and the first sliding part 12 and the second sliding part 13 cooperate, the second sliding part 13 It can be slided in a second direction with respect to the first sliding part 12, and at least drive image-forming assembly 11 in a second direction with respect to first In 12 motion process of sliding part, the first sliding part 12 and the fitting of the second sliding part 13.

In addition, with reference to Fig. 3 and Fig. 4, microlens part device 10 further include: the first connector 33, the first connector 33 to For small part between the second sliding part 13 and image-forming assembly 11, the second sliding part 13 passes through the first connector 33 and image-forming assembly 11 connections.

Since the first sliding part 12 is the weight of image-forming assembly 11 between image-forming assembly 11 and the second sliding part 13 (in Fig. 3 shown in F1) can be transferred to the second sliding part 13 by the first connector 33, generate the pressure (figure to the second sliding part 13 In 3 shown in F2), and image-forming assembly 11 is to be located at 13 front side of the second sliding part, image-forming assembly 11 is sliding with respect to first in a second direction In 12 motion process of moving part, the first sliding part 12 and the fitting of the second sliding part 13, then the second sliding part 13 receiving is pressure (in Fig. 3 shown in F2) rather than pulling force, and the second sliding part 13 can resistance to compression so that microlens part device 10 is firm use the longevity Life length.

It should be noted that the type of the sliding part of the utility model is with no restrictions, the mode cooperated between sliding part is not yet Together, it can produce relative sliding.In the present embodiment, the first sliding part 12 be sliding rail, the second sliding part 13 be sliding block, second Sliding part 13, which is sheathed on the first sliding part 12, realizes mutual cooperation.In other embodiments, the sliding that can be other types Part, such as guide rod and sliding sleeve.

In addition, the microlens part device 10 of the utility model further include: driving assembly is arranged in a second direction, driving Component is connect with the second sliding part 13, and for driving image-forming assembly 11, opposite first sliding part 12 is moved in a second direction.With reference to Fig. 3 and Fig. 4, in the present embodiment, driving assembly is screw component, but not limited to this, in other embodiments, driving assembly is straight Line motor.In the present embodiment, driving assembly includes: screw rod 30, is extended in a second direction；And feed screw nut 31, it is sheathed on silk On bar 30, feed screw nut 31 is connect by the second connector 32 with the second sliding part 13.To which screw rod 30 and feed screw nut 31 match It closes, circumferential movement is switched to move along a straight line, feed screw nut 31 moves in a second direction with respect to screw rod 30, drives the second connector 32 It moves in a second direction, the second sliding part 13 is then driven to move in a second direction, the second sliding part 13 drives image-forming assembly 11 It is moved in a second direction with respect to the first sliding part 12.

With continued reference to Fig. 3 and Fig. 4, the microlens part device 10 of the utility model further include: support plate 40, along first party To (in Fig. 3 shown in X-direction), support plate 40 is located between image-forming assembly 11 and the first sliding part 12；First sliding part 12 is two It is a and along third direction (in Fig. 3 shown in Z-direction) interval be set to support plate 40 on, screw rod 30 be located at two first sliding parts 12 it Between, first direction, second direction and third direction are mutually perpendicular to.

In the present embodiment, screw rod 30 by the first supports support in support plate 40, the first supporting element and support plate 40 Connection, screw rod 30 pass through the output axis connection of first shaft coupling 36 and first motor 37.Wherein, the type of the first supporting element is not done Limitation, can be supported in support plate 40 for screw rod 30.In the present embodiment, the first supporting element includes: 35 He of the first fixing seat First support base 34, the first fixing seat 35 and the first support base 34 are connect with support plate 40 respectively.First shaft coupling 36 is located at the Between one fixing seat 35 and first motor 37.Feed screw nut 31 is between the first fixing seat 35 and the first support base 34, and first Fixing seat 35 and the common support screw 30 of the first support base 34.

In addition, with reference to Fig. 3 and Fig. 4, microlens part device 10 further include: the first connector 33, the first connector 33 divide It is not connect with the second connector 32, the second sliding part 13 and image-forming assembly 11.Specifically, the first connector 33 includes: connected The first part 39 connect and second part 38, second part 38 be at least partially disposed at the second sliding part 13 and image-forming assembly 11 it Between, first part 39 is sliding with the second connector 32 and second between the second connector 32 and the second sliding part 13, and respectively Moving part 13 connects, and second part 38 is connect with image-forming assembly 11.As shown in connection with fig. 2, in the present embodiment, first part 39 perpendicular to Second part 38, that is, the second part 38 of the first connector 33, which is extended in a first direction to image-forming assembly 11, to be connect.This implementation In example, the second part 38 of the first connector 33 is connect with the third connector 50 (referring to Fig. 6) of aftermentioned image-forming assembly 11.

The weight of image-forming assembly 11 can be transferred to first part 39 by the second part 38 of the first connector 33, then pass It is handed to the second sliding part 13, generates the pressure to the second sliding part 13.What so the second sliding part 13 was born is pressure (in Fig. 3 Shown in F2) rather than pulling force, and the second sliding part 13 can resistance to compression so that microlens part device 10 is firm, long service life.

To which screw rod 30 and feed screw nut 31 cooperate, and circumferential movement is switched to move along a straight line, and feed screw nut 31 is with respect to screw rod 30 move in a second direction, drive the second connector 32 to move in a second direction, then drive the first connector 33 along second party To movement, the first connector 33 drives the second sliding part 13 to move in a second direction with respect to the first sliding part 12, the first connector 33 also drive third connector 50 to move in a second direction simultaneously, are ultimately imaged component 11 in a second direction with respect to the first sliding part 12 movements.

In the utility model, with reference to Fig. 3 and Fig. 4, the second connector 32 fits in feed screw nut 31 and the first connection respectively The first part 39 of part 33, the second connector 32 can be moved with respect to screw rod 30 in a second direction.In the present embodiment, the second connection Part 32 fits in side of the feed screw nut 31 backwards to support plate 40.Second connector 32 is sheet metal component, has rigidity, the second connection Part 32 includes being sequentially connected and the first part 32a of angled setting, second part 32b and Part III 32c, wherein second The Part III 32c of connector 32 fits in feed screw nut 31, and the first part 32a of the second connector 32 fits in the first connection The first part 39 of part 33, the second connector 32 can be moved with respect to screw rod 30 in a second direction.To along third direction interval The first connector 33 being arranged passes through bending steel disc part configuration, it is ensured that light, feed screw nut 31 drives 33 edge of the first connector Second direction movement obtains high speed, high-precision.Rigidity is provided simultaneously light, prevents the second sliding part 13, the first connector 33 in a second direction move during beat, obtain transmission accuracy.

It with reference to Fig. 5 and combines shown in Fig. 3 and Fig. 4, the support plate 40 of the utility model is set backwards to the side of image-forming assembly 11 The second reinforcer 15 for having the first reinforcer 14 extended in a second direction and extending along third direction, in other embodiments, It can be the first reinforcer 14 of setting or the second reinforcer 15.In the present embodiment, the first reinforcer 14 is two, along third direction Interval setting, the second reinforcer 15 are erected on two first reinforcers 14.First reinforcer 14 and the second reinforcer 15 surround frame Type structure surrounds above-mentioned driving assembly, improves the intensity of support plate 40, also can preferably bear the weight because of image-forming assembly 11 The pressure applied to the second sliding part 13 is measured, microlens part device 10 is generally robust.

To Fig. 8 and as shown in connection with fig. 5 with reference to Fig. 6, the image-forming assembly 11 of the utility model includes: third connector 50, edge Second direction (in Fig. 6 and Fig. 7 shown in Y-direction) extends, and third connector 50 passes through second of the first above-mentioned connector 33 38 are divided to connect with the second sliding part 13；And reference for installation plate 51, extend along first direction (in Fig. 6 and Fig. 8 shown in X-direction), It is connect with third connector 50.With reference to Fig. 7, in a second direction, third connector 50 is perpendicular to reference for installation plate 51, and third connects Fitting 50 is longer than reference for installation plate 51.Reference for installation plate 51 is equipped with the turntable locating structure mainboard extended in a second direction respectively 52 and the fixed mainboard 53 of imaging arrangement, with reference to Fig. 5, turntable locating structure mainboard 52 is imaged for installing turntable locating structure 56 The fixed mainboard 53 of structure is for installing imaging arrangement 57.In the present embodiment, turntable locating structure mainboard 52 is solid positioned at imaging arrangement Determine between mainboard 53 and third connector 50.

Wherein, reference for installation plate 51 is equipped with third reinforcer 55 and the 4th backwards to the side of turntable locating structure mainboard 52 and adds Strong part 54, third reinforcer 55 and the 4th reinforcer 54 are located at the opposite side of reference for installation plate 51.It in other embodiments, can be with It is setting third reinforcer 55 or the 4th reinforcer 54.In the present embodiment, third reinforcer 55 is two, along third direction interval Setting；4th reinforcer 54 is two, is arranged along third direction interval.

At least one of them connect the third reinforcer 55 of the utility model with reference for installation plate 51 and third connector 50. In the present embodiment, third reinforcer 55 is connect with reference for installation plate 51 and third connector 50 simultaneously, and third reinforcer 55 has First part connected vertically and second part, the first part of third reinforcer 55 fit in reference for installation plate 51, and third adds The second part of strong part 55 fits in third connector 50.It is equivalent to, third reinforcer 55 supports reference for installation plate 51.

4th reinforcer 54 at least fixes mainboard 53 with reference for installation plate 51, turntable locating structure mainboard 52, imaging arrangement And one of third connector 50 connection.In the present embodiment, the 4th reinforcer 54 is positioned with reference for installation plate 51, turntable simultaneously The fixed mainboard 53 of structure mainboard 52, imaging arrangement and third connector 50 connect, and two the 4th reinforcers 54 clamp installation base simultaneously The fixed mainboard 53 of quasi- plate 51, turntable locating structure mainboard 52, imaging arrangement and third connector 50.In this way, to be imaged Component 11 is generally robust.

With reference to Fig. 1, the utility model also provides a kind of microscope 1, comprising: microlens described in any of the above-described embodiment Part device 10, microlens part device 10 are installed on the pedestal 1a of microscope 1.The imaging group of the microscope 1 of the utility model Part 11 has multiple object lens 11a.In other embodiments, image-forming assembly 11 has an object lens 11a.

With reference to Fig. 9 to Figure 12, the utility model provides a kind of object lens regulating device 60, and object lens regulating device 60 is installed on object On mirror 11a, object lens regulating device 60 includes: first sleeve 61, second sleeve 62 and 3rd sleeve 63.Wherein, first sleeve 61 It is sheathed on axial one end of object lens 11a, object lens 11a can be moved synchronously with first sleeve 61；First sleeve 61 has installation Part, for installation part for being fixedly connected with axial one end of object lens 11a, installation part is, for example, the internal screw thread of first sleeve 61, object lens Axial one end of 11a has external screw thread, and first sleeve 61 and object lens 11a are threadedly coupled.Second sleeve 62 circumferentially (Fig. 9 and figure In 10 shown in the direction L) it is arranged around object lens 11a, the inner surface of the outer surface of object lens 11a and second sleeve 62 radially (Figure 12 Shown in the middle direction N) there are gap (in Figure 12 shown in H2), along axial direction (in Figure 11 and Figure 12 shown in Y-direction), first sleeve 61 Lower end surface 61a is placed in the upper surface 62b of second sleeve 62；3rd sleeve 63 is set around first sleeve 61 and second sleeve 62 It sets, the inner surface of 3rd sleeve 63 and the outer surface of first sleeve 61 radially exist gap (in Figure 12 shown in H1), and with the The outer surface thread of two sleeves 62 connects.Regulating part is set in 3rd sleeve 63, and regulating part is for driving 61 edge of first sleeve The radial upper surface in second sleeve 62 translates.

Since the outer surface of second sleeve 62 is threadedly coupled with the inner surface of 3rd sleeve 63, by rotating second sleeve 62, second sleeve 62 can move in the axial direction, and first sleeve 61 is disposed in second sleeve 62, then second sleeve 62 First sleeve 61 can be driven to move in the axial direction, so that object lens 11a can be moved in the axial direction, until object lens 11a observes sample Product obtain clear picture.With reference to Figure 13, in more object lens, the position of the object lens 11a of different multiplying in the axial direction is adjustable.That , when switching the object lens 11a observation same sample of different multiplying, by adjusting the position in the axial direction object lens 11a of different multiplying It sets, until the object lens 11a observation sample of different multiplying can obtain clear picture, this process is referred to as parfocalization.

In more object lens, position in the radial direction central axes (in Figure 12 shown in O) of the object lens 11a of different multiplying can be adjusted It is whole.The outer surface of object lens 11a and the inner surface gap in the radial direction (in Figure 12 shown in H2) of second sleeve 62 and 3rd sleeve 63 inner surface and the outer surface gap in the radial direction (in Figure 12 shown in H1) of first sleeve 61 represent adjustment gap, this reality It applies in example, H1 is equal to H2.Adjustment gap is, for example, 1mm to 2mm, which without limitation, can do corresponding according to actual needs Setting.So, when switching the object lens 11a observation same sample of different multiplying, the object lens 11a of different multiplying is adjusted by regulating part Central axes position in the radial direction, until the object lens 11a of different multiplying can observe the same position of sample, fixed first set Cylinder 61, this process is referred to as of one mind.

To which the object lens regulating device 60 of the utility model can either realize parfocalization, and can be realized of one mind.

With reference to figures 10 to Figure 12, the object lens regulating device 60 of the utility model further include: elastic component 66, elastic component 66 are set to The upper surface 61b of first sleeve 61.Elastic component 66 (is referred to the upper surface 61b of first sleeve 61 and reference for installation plate 51 respectively Figure 14) offset, object lens 11a axially movable during, elastic component 66 can play buffer function.The concrete type of elastic component 66 With no restrictions, there is elastic force.With reference to Figure 10 and Figure 11, in the present embodiment, elastic component 66 is three wave crest washers.

With reference to Fig. 9 and Figure 11, in the utility model, the lower end surface 62c of second sleeve 62 is circumferentially arranged at least one slot Mouth 62a.In the present embodiment, the lower end surface 62c of second sleeve 62, can be in notch 62a interpolation circumferentially arranged with four notch 62a Tooling is connect, drives second sleeve 62 circumferentially to rotate by operation tooling, realizes above-mentioned parfocalization process.

Specifically, in the present embodiment, regulating part includes the spiral shell in 3rd sleeve 63 with reference to Fig. 9, Figure 11 and Figure 12 Mounting hole 64 is followed closely, and the holding screw 65 in screw mounting hole 64, screw mounting hole 64 radially extend.Holding screw 65 offset with the outer surface of first sleeve 61, by screwing holding screw 65, first sleeve 61 can be driven radially second The upper surface of sleeve 62 translates, and realizes process of one mind.In other embodiments, regulating part is other types, can drive first Sleeve 61 is radially translated in the upper surface of second sleeve 62.

The screw mounting hole 64 of the utility model is at least two, circumferentially arranged, installation in each screw mounting hole 64 Holding screw 65, holding screw 65 can not only play the radially movable effect of driving first sleeve 61, can also play solid Determine the effect of first sleeve 61.

With reference to Fig. 2, Fig. 5 and Figure 13 and Figure 14, the utility model also provides a kind of image-forming assembly 11, comprising: reference for installation Plate 51；Axial one end of object lens 11a, object lens 11a and the axially opposed setting of reference for installation plate 51；And any of the above-described embodiment Axial one end of the object lens regulating device 60,3rd sleeve 63 is installed on reference for installation plate 51, and first sleeve 61 is arranged In axial one end of object lens 11a.In the present embodiment, axial one end of 3rd sleeve 63 and reference for installation plate 51 are connected by bolt It connects, but is not limited to be bolted, 3rd sleeve 63 can be installed on reference for installation plate 51.

With reference to Figure 12 and Figure 14, elastic component is equipped between axial direction, the upper surface and reference for installation plate 51 of first sleeve 61 66, elastic component 66 offsets with the upper surface of first sleeve 61 and reference for installation plate 51 respectively.With reference to Figure 13, the object of the utility model Mirror regulating device 60 at least two, it is preferable that object lens regulating device 60 is at least three.Circumferentially set (in Figure 13 shown in L) In reference for installation plate 51.Image-forming assembly 11 is equipped with above-mentioned object lens regulating device 60, can either realize parfocalization, and can be realized neat The heart.

It with reference to Fig. 1 and combines shown in Figure 13 and Figure 14, the utility model also provides a kind of microscope 1, comprising: any of the above-described Image-forming assembly 11 described in embodiment.To which the object lens regulating device 60 in the microscope 1 of the utility model can either be realized together Coke, and can be realized of one mind.

With reference to Figure 15 and Figure 16, the utility model provides a kind of object lens capstan head 6, including above-mentioned reference for installation plate 51, shaft 71 and turntable mainboard 70.Wherein, shaft 71 is rotatablely connected perpendicular to reference for installation plate 51, and with reference for installation plate 51, along shaft 71 axial direction (in Figure 15 and Figure 16 shown in Y-direction), shaft 71 is equipped at least two spaced fixing pieces 72, fixing piece 72 are rotatablely connected with shaft 71.The quantity of fixing piece 72 shows two fixing pieces 72 with no restrictions, in Figure 16, in other implementations In example, the fixing piece 72 that other quantity are set can according to need.It is connected between fixing piece 72 and shaft 71 by bearing, from And fixing piece 72 and shaft 71 realize rotation connection.

In the present embodiment, turntable mainboard 70 is spaced along axial direction (in Figure 15 and Figure 16 shown in Y-direction) with reference for installation plate 51 Setting, and be fixedly connected with shaft 71, shaft 71 is able to drive turntable mainboard 70 and moves in the circumferential direction, and turntable mainboard 70 is for installing At least two object lens 11a, in the present embodiment, turntable mainboard 70 is backwards to the side of reference for installation plate 51 for installing at least two objects Mirror 11a.It shows to set on turntable mainboard 70 in Figure 15 and other quantity can be set in other embodiments there are six object lens 11a The object lens 11a of different multiplying, such as seven, eight etc..

Wherein, with reference to Figure 19, along axial direction (in Figure 19 shown in Y-direction), shaft 71, which has, to be located at reference for installation plate 51 and turns First part 71a between disk mainboard 70, and the second part 71b on reference for installation plate 51, first part 71a are short In second part 71b.That is, the first part 71a of shaft 71 is the galianconism of shaft 71, the second part 71b of shaft 71 is to turn Axis 71 it is long-armed.The first part 71a of shaft 71 is fixedly connected with turntable mainboard 70, the second part 71b and motor of shaft 71 74 connections.

Since at least two object lens 11a being arranged on turntable mainboard 70, these object lens 11a is different multiplying, passes through turntable master Plate 70 switches the object lens 11a of different multiplying in circumferential movement.The shaft 71 of the utility model is equipped at least two along axis To spaced fixing piece 72, fixing piece 72 plays the role of fixed rotating shaft 71, realizes multiple spot fixed rotating shaft 71；And this reality It is shorter than second part 71b with the first part 71a of novel shaft 71, is the equal of that the galianconism of shaft 71 and turntable mainboard 70 connect It connects, the second part 71b of shaft 71 can do length as much as possible, form leverage, and galianconism drives turntable mainboard 70 in circumferential direction Movement, can effectively prevent the shaft 71 during circumferential movement of turntable mainboard 70 beat occur, so that turntable mainboard 70 is in circumferential direction Motion stabilization, promote the positioning accuracy of object lens, promote microscopical measurement accuracy.

Preferably, along axial direction, the dimension ratio of the first part 71a and second part 71b of shaft 71 1/7 to 1/6 it Between, including 1/8 to 1/6, more preferably 1/7.

Referring to figures 16 to Figure 19, the object lens capstan head 6 of the utility model further include: turntable locating structure mainboard 52, along axial direction Extend, is fixedly connected with reference for installation plate 51；Fixed holder assembly 73 is equipped on turntable locating structure mainboard 52, shaft 71 supports In fixed holder assembly 73, axial one end of shaft 71 is connect with turntable mainboard 70, and the axial other end passes through shaft coupling 75 and motor 74 connections.That is, the driving assembly that the driving turntable mainboard 70 of the utility model moves in the circumferential direction is to be axially located in turntable mainboard On 70, shaft 71 can do length as much as possible.In the present embodiment, along axial direction, fixed 73 one end of holder assembly is solid with one of them Determine the connection of part 72, the other end is connect with motor 74, and shaft coupling 75 is located in fixed holder assembly 73.Motor 74 works, drive shaft 71 rotations, then drive turntable mainboard 70 to move in the circumferential direction, realize the switching of the object lens 11a of different multiplying.Wherein, fixing seat group The concrete type of part 73 with no restrictions, can support shaft 71.

With reference to Figure 16, Figure 17 and Figure 19, in the present embodiment, fixing piece 72 is two, one of fixing piece 72 with it is fixed Holder assembly 73 is bonded, another fixing piece 72 is bonded with reference for installation plate 51.In this way, reference for installation plate 51, two is fixed Part 72, fixed holder assembly 74 and turntable locating structure mainboard 52 form rigid connection, preferably support shaft 71, can be further A possibility that reducing by 71 beat of shaft, and the galianconism due to being shaft 71 drives turntable mainboard 70, improves turntable mainboard 70 and exists The stability of circumferential movement, promotes the positioning accuracy of object lens, then promotes microscopical measurement accuracy.It should be noted that fixed Part 72 is not limited to connect with fixed holder assembly 73 and reference for installation plate 51, can play the role of fixed rotating shaft 71.

Continue to refer to figure 15 and Figure 16, turntable mainboard 70 is equipped with the first locating piece 76, and reference for installation plate 51 is equipped with the Two locating pieces 77, when turntable mainboard 70 circumferentially turns to the object lens of a certain multiplying power, the first locating piece 76 and the second locating piece 77 cooperate, and the movement of limitation turntable mainboard 70 in the circumferential switches to the object of another multiplying power in the object lens by a certain multiplying power When mirror, the first locating piece 76 and the separation of the second locating piece 77.For example, motor 74 works, turntable mainboard 70 is circumferentially rotated, micro- When mirror switches to powerful object lens by the object lens of low range, the first locating piece 76 and the second locating piece 77 cooperate, and play The effect of position objective, motor 74 stop working, and the movement of limitation turntable mainboard 70 in the circumferential, microscope can be stablized in height The object microscopic observation sample of multiplying power；In the object lens for needing low range, motor 74 works on, at this time the first locating piece 76 and The separation of two locating pieces 77, turntable mainboard 70 can be rotated circumferentially, and microscope is switched to the object of low range by powerful object lens Mirror.

Specifically, one of the first locating piece 76 and the second locating piece 77 are groove, Ling Yiwei in the utility model Bearing.In the present embodiment, with reference to Figure 16, Figure 18 and Figure 19, the first locating piece 76 is set to turntable mainboard 70 towards reference for installation plate 51 part, the first locating piece 76 are groove, and the second locating piece 77 is set to part of the reference for installation plate 51 towards turntable mainboard 70, Second locating piece 77 is bearing, and reference for installation plate 51 is equipped with the fixed link 79 axially extended, and bearing holder (housing, cover) is set to fixed link 79. Wherein, reference for installation plate 51 is equipped with fixed metal plate 78 towards the part of turntable mainboard 70, and fixed link 79 is installed on fixed metal plate 78 On, bearing can be rotated around fixed link 79.

When turntable mainboard 70 circumferentially turns to the object lens of a certain multiplying power, bearing is located in groove, plays position objective Effect, motor stops working, and the movement of limitation turntable mainboard 70 in the circumferential switches to another in the object lens by a certain multiplying power When the object lens of multiplying power, motor 74 works, and relatively rotates between bearing and groove, so that the first locating piece 76 and the second positioning Part 77 separates, and turntable mainboard 70 can continue to move in the circumferential direction.

With reference to Fig. 2, Fig. 5 and Figure 13 to Figure 15, the utility model also provides a kind of image-forming assembly 11, comprising: any of the above-described Object lens capstan head 6 described in embodiment and at least two object lens 11a, object lens 11a are installed on turntable mainboard 70, in the present embodiment, Object lens 11a is installed on side of the turntable mainboard 70 backwards to reference for installation plate 51.

It with reference to Fig. 1 and combines shown in Figure 13 to Figure 15, the utility model also provides a kind of microscope 1, comprising: above-mentioned implementation Image-forming assembly 11 described in example.

In conclusion the principles of the present invention and its function is only illustrated in above-described embodiment provided by the utility model Effect, rather than limits the present invention.Any person skilled in the art all can without prejudice to the utility model spirit and Under the scope of, it carries out modifications and changes to above-described embodiment.Therefore, those of ordinary skill in the art is not taking off such as All equivalent modifications or change completed under spirit revealed from the utility model and technical idea, should be practical new by this The claim of type is covered.

Claims (10)

1. a kind of object lens regulating device, the object lens regulating device is installed on object lens characterized by comprising

First sleeve has installation part, and the installation part with axial one end of the object lens for being fixedly connected；

Second sleeve, for circumferentially surrounding the object lens setting, the interior table of the outer surface of the object lens and the second sleeve Radially there is gap in face, along axial direction, the lower end surface of the first sleeve is placed in the upper surface of the second sleeve；

3rd sleeve is arranged around the first sleeve and the second sleeve, the inner surface of the 3rd sleeve and described the Radially there is gap in the outer surface of one sleeve, and connect with the outer surface thread of the second sleeve；

Regulating part is set in the 3rd sleeve, and the regulating part is for driving the first sleeve along the radial direction described The upper surface of second sleeve translates.

2. object lens regulating device as described in claim 1, which is characterized in that further include: elastic component, the elastic component are set to institute State the upper surface of first sleeve.

3. object lens regulating device as described in claim 1, which is characterized in that the lower end surface of the second sleeve circumferentially arranged with At least one notch.

4. object lens regulating device as described in claim 1, which is characterized in that the regulating part includes being set to the 3rd sleeve On screw mounting hole, and the holding screw in the screw mounting hole, the screw mounting hole prolong along the radial direction It stretches.

5. object lens regulating device as claimed in claim 4, which is characterized in that the screw mounting hole is at least two, along institute State circumferential setting.

6. object lens regulating device as claimed in claim 2, which is characterized in that the elastic component is three wave crest washers.

7. a kind of image-forming assembly, is characterized in that, comprising:

Reference for installation plate；

Object lens, axial one end of the object lens and the axially opposed setting of reference for installation plate；

Axial one end of object lens regulating device described in any one of claims 1-6, the 3rd sleeve is installed on the installation On datum plate, the first sleeve is sheathed on axial one end of the object lens.

8. image-forming assembly as claimed in claim 7, which is characterized in that along the axial direction, the upper surface of the first sleeve and Between the reference for installation plate be equipped with elastic component, the elastic component respectively with the upper surface of the first sleeve and the installation base Quasi- plate offsets.

9. image-forming assembly as claimed in claim 7, which is characterized in that the object lens regulating device at least two, circumferentially Set on the reference for installation plate.

10. a kind of microscope characterized by comprising the described in any item image-forming assemblies of claim 7-9.