CN209606706U - A kind of object lens capstan head and microscope - Google Patents

Abstract

The utility model relates to a kind of object lens capstan head and microscope, object lens capstan head includes: reference for installation plate；Shaft, the shaft are rotatablely connected perpendicular to the reference for installation plate, and with the reference for installation plate；Rotary disc assembly is arranged along the axial direction and reference for installation plate interval, and is fixedly connected with the shaft, and the rotary disc assembly circumferentially installs at least two object lens；First driving assembly is set on the reference for installation plate, for driving at least two object lens to move along the axially opposing rotary disc assembly and its excess mirror.The object lens of each multiplying power individually move in the axial direction on the object lens capstan head of the utility model, can be that object lens are mobile, with minimum movement quality, ensure focusing speed to greatest extent.

Description

A kind of object lens capstan head and microscope

Technical field

The utility model relates to microscope technology fields, and in particular to a kind of object lens capstan head and microscope.

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 capstan heads, comprising: reference for installation Plate；Shaft, the shaft are rotatablely connected perpendicular to the reference for installation plate, and with the reference for installation plate；Rotary disc assembly, along axis It is arranged to reference for installation plate interval, and is fixedly connected with the shaft, the rotary disc assembly circumferentially installs at least two A object lens；First driving assembly is set on the reference for installation plate, for driving at least two object lens along the axial phase The rotary disc assembly and its excess mirror are moved.

It optionally, further include transmission connection piece, the transmission connection piece is at least partially along described axially extending, along the axis To described transmission connection piece one end is connect with first driving assembly, and the other end is for driving the object lens along the axial direction The relatively described rotary disc assembly movement.

Optionally, comprising: transmission support plate, first driving assembly include: the first screw rod, along described axially extending, First screw rod is supported in the transmission support plate；First feed screw nut is sheathed on first screw rod, and described first Stem nut is connect with the transmission connection piece.

Optionally, the transmission connection piece includes: the first part being connected and second part, and the first part is along institute It states axially extending and is connect with first feed screw nut, the second part is perpendicular to the first part.

Optionally, the transmission support plate is equipped with the first sliding part for being parallel to first screw rod, and the transmission connects Fitting is connect by the second sliding part with first sliding part, second sliding part and the first sliding part phase interworking It closes, second sliding part and first sliding part can be produced relative sliding in the axial direction.

Optionally, the rotary disc assembly includes:

Along the first fixed disk and the second fixed disk of axially spaced-apart setting, first fixed disk and the shaft are solid Fixed connection；

Third sliding part is corresponded with the object lens, and the third sliding part is along described axially extending, the third cunning Moving part is set between first fixed disk and second fixed disk；

4th sliding part is connect with the object lens, and the 4th sliding part and the third sliding part cooperate, described 4th sliding part and the third sliding part can be produced relative sliding in the axial direction；

Object lens support riser, and the object lens are set to the object lens and support riser, the object lens support riser and the described 4th Sliding part connection, first driving assembly can drive the object lens support riser along the axially opposing third sliding Part movement.

Optionally, the rotary disc assembly is equipped with the first fixing piece and elastic component, described elastic component one end and described the The connection of one fixing piece, the other end are connect with object lens support riser, and the elastic component can drive in first driving assembly It moves after object lens support riser moves along the axially opposing third sliding part, generates and the object lens is driven to support riser The elastic force moved towards first fixed disk.

Optionally, rolling member is additionally provided on the rotary disc assembly, the rolling member and the first fixing piece are between the axial direction Every setting, the rolling member compared to first fixing piece closer to first fixed disk, one end of the elastic component and Part between the other end is set around on the rolling member, and is rolled and connected with the rolling member.

Optionally, further includes:

Sliding part fixed plate, along the axial direction, one end is connect with first fixed disk, and the other end and described second is fixed Disk connection, the third sliding part are fixedly arranged in the sliding part fixed plate, and the sliding part fixed plate is equipped with along the axis To the through-hole of extension；

It is fixed backwards to the side of the third sliding part, described first that the rolling member is supported in the sliding part fixed plate Part is fixedly arranged in second fixed disk；

Second fixing piece, one end are connect with object lens support riser, and the other end passes through the through-hole and the elastic component The other end connection, second fixing piece can be along the through-hole in the axial movement.

Optionally, further includes: locating part is used set on the sliding part fixed plate close to one end of first fixed disk In the final position that the limitation object lens support riser is moved towards first fixed disk.

Optionally, further includes:

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, the 3rd sleeve and the object lens support riser are fixedly connected, and 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 of the second sleeve；

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

Optionally, along the axial direction of the shaft, the shaft is equipped at least two spaced fixing pieces, described solid Determine part and the shaft is rotatablely connected, the shaft has first between the reference for installation plate and the rotary disc assembly Part, and the second part on the reference for installation plate, the first part of the shaft are shorter than the shaft The second part.

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

As above, the utility model provides a kind of object lens capstan head, comprising: reference for installation plate, shaft and rotary disc assembly, wherein Shaft is rotatablely connected perpendicular to reference for installation plate, and with reference for installation plate；Rotary disc assembly is set along axial with reference for installation plate interval It sets, and is fixedly connected with shaft, rotary disc assembly circumferentially installs at least two object lens；These object lens are different multiplying, by turning Disk component switches the object lens of different multiplying in circumferential movement.It is additionally provided with the first driving assembly on reference for installation plate, is used for Drive the axially opposed rotary disc assembly of an object lens at least two object lens and its movement of excess mirror.

In more object lens, the position of the object lens of different multiplying in the axial direction is adjustable.So, switch the object of different multiplying When sem observation same sample, the position of the object lens of different multiplying in the axial direction is adjusted by the first driving assembly, realizes focusing.Often The object lens of one multiplying power individually move in the axial direction, can be that object lens are mobile, with minimum movement quality, ensure to focus to greatest extent Speed.

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 one 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；

Figure 20 is the side view three of the utility model embodiment object lens capstan head；

Figure 21 is the perspective view three of the utility model embodiment object lens capstan head；

Figure 22 is the perspective view four of the utility model embodiment object lens capstan head；

Figure 23 is the side view four of the utility model embodiment object lens capstan head；

Figure 24 is the perspective view five of the utility model embodiment object lens capstan head；

Figure 25 is the top view two of the utility model embodiment object lens capstan head；

Figure 26 is the top view three of the utility model embodiment object lens capstan head；

Figure 27 is the side view five 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 is circumferentially arranged, the outer surface of object lens 11a (in Fig. 9 and Figure 10 shown in the direction L) around object lens 11a Radially there are gap (in Figure 12 shown in H2) (in Figure 12 shown in the direction N) with the inner surface of second sleeve 62, along axial direction (Figure 11 With in Figure 12 shown in Y-direction), the lower end surface 61a of first sleeve 61 is placed in the upper surface 62b of second sleeve 62；3rd sleeve 63 are arranged around first sleeves 61 and second sleeve 62, and the outer surface of the inner surface of 3rd sleeve 63 and first sleeve 61 is radially There are gap (in Figure 12 shown in H1), and connect with the outer surface thread of second sleeve 62.It is arranged in 3rd sleeve 63 and adjusts Part, regulating part are used to that first sleeve 61 to be driven radially to translate in the upper surface of second sleeve 62.

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.

Referring to figures 20 through Figure 22, the utility model also provides a kind of object lens capstan head 6, comprising: reference for installation plate 51 above-mentioned, Shaft 71 above-mentioned and rotary disc assembly 8, wherein shaft 71 rotates with reference for installation plate 51 and connects perpendicular to reference for installation plate 51 It connects；Rotary disc assembly 8 is arranged along axial direction (in Figure 20 and Figure 21 shown in Y-direction) with the interval of reference for installation plate 51, and solid with shaft 71 Fixed connection, rotary disc assembly 8 circumferentially install at least two object lens 11a (in Figure 21 shown in the direction L).In the present embodiment, turntable group Part 8 is circumferentially mounted with six object lens 11a, in other embodiments, can be other quantity, such as five, eight etc..These Object lens 11a is different multiplying, switches the object lens 11a of different multiplying in circumferential movement by rotary disc assembly 8.In reference for installation The first driving assembly 9 is additionally provided on plate 51, for drive the axially opposed rotary disc assembly 8 of an object lens in all object lens and its The movement of excess mirror.That is, each object lens 11a is individually to move in the axial direction.

To which in more object lens, the position of the object lens 11a of different multiplying in the axial direction is adjustable.So, rotary disc assembly When the 8 object lens 11a that circumferentially rotation switches different multiplying observe same sample, difference can be adjusted by the first driving assembly 9 Focusing is realized in the position of the object lens 11a of multiplying power in the axial direction.The object lens 11a of each multiplying power is individually moved in the axial direction, can be only It is object lens 11a mobile, with minimum movement quality, ensures focusing speed to greatest extent.

With reference to Figure 22 and Figure 20 and Figure 21 is combined, the object lens capstan head 6 of the utility model further includes transmission connection piece 97, transmission Connector 97 at least partly axially extends, and along axial direction, 97 one end of transmission connection piece is connect with the first driving assembly 9, the other end For driving the axially opposed rotary disc assembly 8 of object lens 11a and its excess mirror to move.Specifically, rotary disc assembly 8 is transported in the circumferential Dynamic, after the object lens 11a of another multiplying power is switched to by the object lens 11a of a certain multiplying power, the first driving assembly 9 drives transmission connection piece 97 It is moved axially towards rotary disc assembly 8, so that the other end of transmission connection piece 97 offsets with object lens 11a, and drives the edge object lens 11a Axially opposing rotary disc assembly 8 and its movement of excess mirror.In original state, transmission connection piece 97 is located at the top position, is driving When object lens 11a focuses, moved towards rotary disc assembly 8.

For example, rotary disc assembly 8 circumferentially rotates, microscope switches to powerful object lens by the object lens of low range, transmission The other end of connector 97 offsets with powerful object lens, and the axially opposed reference for installation plate 51 of powerful object lens is driven to transport It is dynamic, realize focusing；In the object lens for needing low range, rotary disc assembly 8 is circumferentially rotated, and microscope is switched by powerful object lens To the object lens of low range, the other end of transmission connection piece 97 and the object lens of low range offset, and drive the object lens of low range along axis It is moved to opposite reference for installation plate 51, realizes focusing.It operates as procedure described above, realizes the focusing of different object lens.Entire focusing Process, only object lens 11a is mobile, with minimum movement quality, ensures focusing speed to greatest extent.

It should be noted that the first driving assembly of the utility model 9 is not limited by transmission connection piece 97 to drive object lens 11a Axially opposed rotary disc assembly 8 and its movement of excess mirror.In other embodiments, being can be along axial fortune in the first driving assembly The dynamic axially opposed rotary disc assembly 8 of axis driving object lens 11a and its movement of excess mirror, such as aftermentioned first feed screw nut 91 protect Fixation is held, the first screw rod 90 is axially movable to drive the axially opposed rotary disc assembly 8 of object lens 11a and its excess mirror to move.

With reference to figures 21 to Figure 23, the object lens capstan head 6 of the utility model includes: transmission support plate 92, and the first driving assembly 9 is set In on transmission support plate 92.In the present embodiment, the first driving assembly 9 is screw component, but is not limited to screw component, can be driven Object lens 11a is in axial movement, such as linear motor.Specifically, the first driving assembly 9 includes: first in the present embodiment Screw rod 90, extends along axial direction (in Figure 23 shown in Y-direction), and the first screw rod 90 is supported in transmission support plate 92；And it is sheathed on The first feed screw nut 91 on one screw rod 90, the first feed screw nut 91 connect with transmission connection piece 97.To on the first screw rod 90 The first feed screw nut 91 cooperation, circumferential movement is switched to move along a straight line, opposite first screw rod 90 of the first feed screw nut 91 is along axis To movement, transmission connection piece 97 is driven axially movable, the other end of transmission connection piece 97 is then made to drive object lens 11a along axis It is moved to opposite rotary disc assembly 8.

With reference to Figure 21, in the present embodiment, the first screw rod 90 by the first supports support on transmission support plate 92, first Supporting element is connect with transmission support plate 92, and the first screw rod 90 passes through the output axis connection of first shaft coupling 95 and first motor 96. Wherein, the first screw rod 90 with no restrictions, can be supported in transmission support plate 92 by the type of the first supporting element.The present embodiment In, the first supporting element includes: the first fixing seat 93 and the first support base 94, the first fixing seat 93 and the first support base 94 respectively with Transmission support plate 92 connects.First shaft coupling 95 is between the first fixing seat 93 and first motor 96.First feed screw nut 91 Between the first fixing seat 93 and the first support base 94, the first fixing seat 93 and the first support base 94 support the first screw rod jointly 90。

With reference to Figure 20 and Figure 22, in the present embodiment, transmission connection piece 97 is sheet metal component.Transmission connection piece 97 includes: connected The first part 97a and second part 97b connect, the first part 97a of transmission connection piece 97 axially extend and with the first screw rod Nut 91 connects, the first part 97a of the second part 97b of transmission connection piece 97 perpendicular to transmission connection piece 97.The present embodiment In, the second part 97b of transmission connection piece 97 with object lens 11a for extremely offseting axially movable and driving object lens 11a in axial direction Movement.It should be noted that the second part 97b of transmission connection piece 97 is not limited to, satisfaction transmission connection vertical with first part 97a Part 97 axially movable when second part 97b can offset with object lens 11a to drive object lens 11a axially movable.

With continued reference to Figure 21 and Figure 22, transmission support plate 92 is equipped with the first sliding part 98 for being parallel to the first screw rod 90, Transmission connection piece 97 is connect by the second sliding part 99 with the first sliding part 98, and the second sliding part 99 and the first sliding part 98 are mutually Cooperation, the second sliding part 99 and the first sliding part 98 can be produced relative sliding axially.Wherein, transmission connection piece 97 further includes Sequentially connected Part III 97c, Part IV 97d and Part V 97e, the Part III 97c fitting of transmission connection piece 97 In the first feed screw nut 91, the Part V 97e of transmission connection piece 97 fits in the second sliding part 99.The of transmission connection piece 97 Three parts 97c, Part IV 97d and Part V 97e can be moved in axially opposing first screw rod 90.In this way, transmission Connector 97 realized by two the first feed screw nuts 91 disposed in parallel and the second sliding part 99 in axial movement, is conducive to the One driving assembly 9 drives the stationarity of transmission connection piece 97 axially movable, obtains high-precision and is driven, promotes pair of object lens 11a Burnt speed.

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 98 be sliding rail, the second sliding part 99 be sliding block, second Sliding part 99, which is sheathed on the first sliding part 98, realizes mutual cooperation.In other embodiments, the sliding that can be other types Part, such as guide rod and sliding sleeve.

Referring to figures 20 through Figure 24, in the present embodiment, rotary disc assembly 8 includes: the first fixed disk 81 of axially spaced setting With the second fixed disk 82, the first fixed disk 81 is fixedly connected with shaft 71, and shaft 71 drives the first fixed disk 81 to move in the circumferential direction, Then driving rotary disc assembly 8 moves in the circumferential direction, to switch the object lens 11a of different multiplying；Third sliding part 84, with object lens 11a mono- One is corresponding.Wherein, third sliding part 84 axially extends, and third sliding part 84 is set to the first fixed disk 81 and the second fixed disk 82 Between；And the 4th sliding part 85, it is connect with object lens 11a, the 4th sliding part 85 and third sliding part 84 cooperate, and the 4th is sliding Moving part 85 and third sliding part 84 can be produced relative sliding axially；Object lens support riser 83, and object lens 11a is supported set on object lens Riser 83, object lens support riser 83 is connect with the 4th sliding part 85, and in the present embodiment, it is sliding that object lens support riser 83 fits in the 4th Moving part 85, the first driving assembly 9 can drive the object lens support axially opposed third sliding part 84 of riser 83 movement.

In the present embodiment, the quantity of object lens 11a is six, and correspondingly, the quantity of third sliding part 84 is also six pairs, object lens 11a and third sliding part 84 correspond, and the 4th sliding part 85 is also six pairs.That is, each object lens 11a and two the 4th sliding parts 85 connections, and be slidably connected by two the 4th sliding parts 85 with two third sliding parts 84.That is, each object lens 11a is logical It crosses double sliding part realizations to be slidably connected, transmission stability is promoted.In other embodiments, each object lens 11a is by single sliding Part realization is slidably connected.For example, the quantity of object lens 11a is six, correspondingly, the quantity of third sliding part 84 is also six, object Mirror 11a and third sliding part 84 correspond, and the 4th sliding part 85 is also six, can be realized and are slidably connected.

Specifically, in the present embodiment, the second part 97b of transmission connection piece 97 for axially movable to object lens branch Support riser 83 offsets and object lens support riser 83 is driven to be axially moved by the opposite third sliding part 84 of the 4th sliding part 85, real Existing focus process.

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, third sliding part 84 is sliding rail, and the 4th sliding part 85 is sliding block, third Sliding part 84, which is sheathed on the 4th sliding part 85, realizes mutual cooperation.In other embodiments, the sliding that can be other types Part, such as guide rod and sliding sleeve.

With reference to Figure 25 to Figure 27, in the utility model, rotary disc assembly 8 is equipped with the first fixing piece 88 and elastic component 93, 93 one end of elastic component is connect with the first fixing piece 88, and the other end is connect with object lens support riser 83, and elastic component 93 can be first After driving assembly 9 drives the object lens support axially opposed third sliding part 84 of riser 83 movement, generates driving object lens and support riser 83 elastic forces moved towards the first fixed disk 81 realize the reset of object lens support riser 83 namely the reset of object lens 11a.Bullet Property part 93 type with no restrictions, in the present embodiment, elastic component 93 be spring.

Preferably, in the present embodiment, rotary disc assembly 8 is equipped with the first fixing piece 88 and rolling member of axially spaced setting 91, rolling member 91 is compared to the first fixing piece 88 closer to the first fixed disk 81；Between one end and the other end of elastic component 93 Part is set around on rolling member 91, and is rolled and connected with rolling member 91.The concrete type of elastic component 93 with no restrictions, can occur Flexible deformation；In the present embodiment, elastic component 93 is spring.The type of rolling member 91 with no restrictions, can be realized rolling i.e. Can, in the present embodiment, rolling member 91 is bearing.

After being arranged in this way, object lens support riser 83 is transmitted the second part 97b drives edge of connector 97 axially away from the When one fixed disk 81 moves, since one end of elastic component 93 is fixed by the first fixing piece 88, flexible deformation can occur for elastic component 93 It is stretched, and is moved around rolling member 91.It is resetted in the second part 97b of the first driving assembly 9 driving transmission connection piece 97, When moving along the direction far from the second fixed disk 82, object lens support riser 83 resets under the resilient force of elastic component 93, Namely moved along the direction far from the second fixed disk 82, realize the reset of object lens 11a.In addition, after setting elastic component 93, elastic component Elastic force can make the second part 97b of transmission connection piece 97 that object lens 11a be driven to be axially moved to behind a certain position, In This position remains stationary, and realizes focus process.

Preferably, with reference to Figure 27, in other embodiments, it is not provided with rolling member 91.First fixing piece 88 is located at driving group The bottom end of part 8, that is, the first fixing piece 88 is located at the one end of driving assembly 8 backwards to reference for installation plate 51.In the first driving assembly After the second part 97b of 9 driving transmission connection pieces 97 is moved along the direction towards the second fixed disk 82, object lens support 83 edge of riser Axially opposing third sliding part 84 moves, and elastic component 93 is compressed；The second of the first driving assembly 9 driving transmission connection piece 97 When part 97b is moved along the direction far from the second fixed disk 82, object lens support riser 83 under the resilient force of elastic component 93 It is moved along towards the direction of the first fixed disk 81, realizes the reset of object lens support riser 83.

Preferably, in conjunction with Figure 27, in other embodiments, it is not provided with rolling member 91.First fixing piece 88 is located at driving group The top of part 8, that is, the first fixing piece 88 is located at the opposite end of the bottom end of driving assembly 8.It drives and passes in the first driving assembly 9 After the second part 97b of follower link 97 is moved along the direction towards the second fixed disk 82, object lens support riser 83 along axial phase Third sliding part 84 is moved, elastic component 93 is stretched；In the second part of the first driving assembly 9 driving transmission connection piece 97 When 97b is moved along the direction far from the second fixed disk 82, object lens support riser 83 in the resilient force lower edge court of elastic component 93 It is moved to the direction of the first fixed disk 81, realizes the reset of object lens support riser 83.

In the utility model, the concrete type of the first fixing piece 88 is with no restrictions.In the present embodiment, the first fixing piece 88 is Screw, it is preferable that the first fixing piece 88 is pin.First fixing piece 88 is parallel to the setting of the first fixed disk 81.In other implementations In example, it can be other types, the specific set-up mode of the first fixing piece also with no restrictions, is capable of fixing one end of elastic component i.e. It can.Preferably, the first fixing piece 88 axially extends.

With reference to Figure 23 and Figure 26, the object lens capstan head 6 of the utility model further include: sliding part fixed plate 86, along axial direction (Figure 23 Shown in middle Y-direction), 86 one end of sliding part fixed plate is connect with the first fixed disk 81, the other end and the connection of the second fixed disk 82, the Three sliding parts 84 are fixedly arranged in sliding part fixed plate 86, and sliding part fixed plate 86 is equipped with the through-hole axially extended.Rolling member 91 are supported in side of the sliding part fixed plate 86 backwards to third sliding part 84, and the first fixing piece 88 is fixedly arranged on the second fixed disk 82 On.But the specific location of rolling member 91 and the first fixing piece 88 on rotary disc assembly 8 is without being limited thereto, and the first fixing piece 88 can be consolidated Determine one end of elastic component 93, and elastic component 93 and rolling member 91 are rolled and connected.In the present embodiment, rolling member 91 passes through Support plate positioned at two sides is supported in side of the sliding part fixed plate 86 backwards to third sliding part 84, and rolling member 91 being capable of opposite branch Fagging rotation.

In conjunction with shown in Figure 26 and Figure 27, the second fixing piece 90, the second fixing piece 90 are additionally provided on object lens support riser 83 One end is connect with object lens support riser 83, and the other end passes through through-hole and connect with the other end of elastic component 93,90 energy of the second fixing piece It is enough to be axially moved along through-hole.That is, object lens support riser 83 to pass through the second fixing piece 90 and elastic component 93 in the present embodiment Other end connection.

In the utility model, the concrete type of the first fixing piece 88 and the second fixing piece 90 is with no restrictions.In the present embodiment, First fixing piece 88 is screw, and the second fixing piece 90 is screw.In other embodiments, it can be other types, be capable of fixing The both ends of elastic component 93.Preferably, the first fixing piece 88 is pin, and the second fixing piece 90 is pin.

With continued reference to Figure 24, it is additionally provided with locating part 87 close to one end of the first fixed disk 81 in sliding part fixed plate 86, is limited Position part 87 is used to limit the final position that object lens support riser 83 is moved towards the first fixed disk 81.Specifically, being driven first Dynamic component 9 drives the second part 97b of transmission connection piece 97 to reset, and object lens support riser 83 in the resilient force of elastic component 93 Lower reset, object lens support riser 83 to move to along the direction far from the second fixed disk 82 and offset with locating part 87, limit object lens branch Support riser 83 continues on the sliding of third sliding part 84, or even skids off third sliding part 84.

With reference to Figure 20, Figure 22, the first fixed disk 81 of the rotary disc assembly 8 of the utility model is equipped with the first locating piece 76, Installation base plate plate 51 is equipped with the second locating piece 77, cooperation, working method between the first locating piece 76 and the second locating piece 77 With reference to the foregoing.

With reference to Figure 21 and combining shown in Figure 12, the object lens capstan head 6 of the utility model includes object lens regulating device 60 above-mentioned, Object lens regulating device 60 includes: first sleeve 61, second sleeve 62 and 3rd sleeve 63.Wherein, first sleeve 61 is sheathed on object On axial one end of mirror 11a, object lens 11a can be moved synchronously with first sleeve 61；First sleeve 61 has installation part, installation part It is fixedly connected for axial one end with object lens 11a, installation part is, for example, the internal screw thread of first sleeve 61, the axial direction of object lens 11a One end has external screw thread, and first sleeve 61 and object lens 11a are threadedly coupled.

Second sleeve 62 is circumferentially arranged, the outer surface of object lens 11a (in Fig. 9 and Figure 10 shown in the direction L) around object lens 11a Radially there are gap (in Figure 12 shown in H2) (in Figure 12 shown in the direction N) with the inner surface of second sleeve 62, along axial direction (Figure 11 With in Figure 12 shown in Y-direction), the lower end surface 61a of first sleeve 61 is placed in the upper surface 62b of second sleeve 62；3rd sleeve 63 are arranged around first sleeves 61 and second sleeve 62, and the outer surface of the inner surface of 3rd sleeve 63 and first sleeve 61 is radially There are gap (in Figure 12 shown in H1), and the connection with second sleeve 62.Preferably, 62 one of 3rd sleeve 63 and second sleeve Molding.Regulating part is set in 3rd sleeve 63, and regulating part is for driving first sleeve 61 radially in second sleeve 62 End face translation.

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.

As it was noted above, the shaft 71 of the utility model is for driving rotary disc assembly 8 to move in the circumferential direction.About shaft 71 Associated description, with reference to Figure 15 to Figure 19, in conjunction with the description previously for object lens capstan head 6, details are not described herein.For example, 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.Shaft 71 has the first part 71a between reference for installation plate 51 and rotary disc assembly 8, with And the second part 71b on reference for installation plate 51, first part 71a are shorter than second part 71b.That is, shaft 71 First part 71a is the galianconism of shaft 71, and the second part 71b of shaft 71 is the long-armed of shaft 71.

It should be noted that object lens capstan head 6 is to drive rotary disc assembly 8 that object lens 11a is driven to exist by shaft 71 in the present embodiment Circumferential movement, in previous embodiment, object lens capstan head 6 is to drive turntable mainboard 70 to drive object lens 11a in circumferential fortune by shaft 71 It is dynamic.

The utility model also provides a kind of microscope, comprising: object lens capstan head 6 described in any of the above-described embodiment.

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 (13)

1. a kind of object lens capstan head characterized by comprising

Reference for installation plate；

Shaft, the shaft are rotatablely connected perpendicular to the reference for installation plate, and with the reference for installation plate；

Rotary disc assembly is arranged with reference for installation plate interval along axial, and is fixedly connected with the shaft, the rotary disc assembly At least two object lens are circumferentially installed；

First driving assembly is set on the reference for installation plate, for driving an object lens edge at least two object lens The axially opposing rotary disc assembly and its movement of excess mirror.

2. object lens capstan head as described in claim 1, which is characterized in that further include transmission connection piece, the transmission connection piece is extremely Small part is along described axially extending, and along the axial direction, described transmission connection piece one end is connect with first driving assembly, another End is for driving the object lens to move along the axially opposing rotary disc assembly and its excess mirror.

3. object lens capstan head as claimed in claim 2 characterized by comprising transmission support plate, the first driving assembly packet It includes:

First screw rod, along described axially extending, first screw rod is supported in the transmission support plate；

First feed screw nut is sheathed on first screw rod, and first feed screw nut connect with the transmission connection piece.

4. object lens capstan head as claimed in claim 3, which is characterized in that the transmission connection piece includes: first to be connected Point and second part, the first part is along described axially extending and connect with first feed screw nut, the second part Perpendicular to the first part.

5. object lens capstan head as claimed in claim 3, which is characterized in that the transmission support plate is equipped with and is parallel to described first First sliding part of screw rod, the transmission connection piece are connect by the second sliding part with first sliding part, and described second is sliding Moving part and first sliding part cooperate, and second sliding part and first sliding part can be in the axial generations Opposite sliding.

6. such as object lens capstan head described in any one of claim 1 to 5, which is characterized in that the rotary disc assembly includes:

Along the first fixed disk and the second fixed disk of axially spaced-apart setting, first fixed disk and the fixed company of the shaft It connects；

Third sliding part is corresponded with the object lens, and the third sliding part is along described axially extending, the third sliding part Between first fixed disk and second fixed disk；

4th sliding part is connect with the object lens, and the 4th sliding part and the third sliding part cooperate, and the described 4th Sliding part and the third sliding part can be produced relative sliding in the axial direction；

Object lens support riser, and the object lens are set to the object lens and support riser, the object lens support riser and the 4th sliding Part connection, first driving assembly can drive the object lens support riser along the axially opposing third sliding part fortune It is dynamic.

7. object lens capstan head as claimed in claim 6, which is characterized in that the rotary disc assembly is equipped with the first fixing piece and bullet Property part, described elastic component one end connect with first fixing piece, and the other end is connect with object lens support riser, the elasticity Part can drive the object lens support riser to move along the axially opposing third sliding part in first driving assembly Afterwards, the elastic force for driving the object lens support riser to move towards first fixed disk is generated.

8. object lens capstan head as claimed in claim 7, which is characterized in that be additionally provided with rolling member, the rolling on the rotary disc assembly Moving part and the first fixing piece are arranged along the axially spaced-apart, and the rolling member is compared to first fixing piece closer to described One fixed disk, the part between one end and the other end of the elastic component are set around on the rolling member, and with the rolling member Roll connection.

9. object lens capstan head as claimed in claim 8, which is characterized in that further include:

Sliding part fixed plate, along the axial direction, one end is connect with first fixed disk, and the other end and second fixed disk connect It connects, the third sliding part is fixedly arranged in the sliding part fixed plate, and the sliding part fixed plate is equipped with prolongs along the axial direction The through-hole stretched；

The rolling member is supported in the sliding part fixed plate backwards to the side of the third sliding part, and first fixing piece is solid In second fixed disk；

Second fixing piece, one end are connect with object lens support riser, and the other end passes through the institute of the through-hole and the elastic component Other end connection is stated, second fixing piece can be along the through-hole in the axial movement.

10. object lens capstan head as claimed in claim 9, which is characterized in that further include: locating part is fixed set on the sliding part The end that plate is moved close to one end of first fixed disk, for limiting the object lens support riser towards first fixed disk Point position.

11. object lens capstan head as claimed in claim 6, which is characterized in that further include:

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, the 3rd sleeve and the object lens support riser are fixedly connected, and around the first sleeve and described Radially there is gap in second sleeve setting, the outer surface of the inner surface of the 3rd sleeve and the first sleeve, and with institute State the outer surface connection of second sleeve；

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

12. object lens capstan head as described in claim 1, which is characterized in that along the axial direction of the shaft, the shaft is equipped with extremely Few two spaced fixing pieces, the fixing piece and the shaft are rotatablely connected, and the shaft, which has, is located at the installation First part between datum plate and the rotary disc assembly, and the second part on the reference for installation plate, it is described The first part of shaft is shorter than the second part of the shaft.

13. a kind of microscope characterized by comprising the described in any item object lens capstan heads of claim 1-12.