CN208669762U - Concentric locked mechanism - Google Patents
Concentric locked mechanism Download PDFInfo
- Publication number
- CN208669762U CN208669762U CN201821106967.8U CN201821106967U CN208669762U CN 208669762 U CN208669762 U CN 208669762U CN 201821106967 U CN201821106967 U CN 201821106967U CN 208669762 U CN208669762 U CN 208669762U
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- Prior art keywords
- axle center
- locking
- concentric
- driving axle
- conical ring
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Abstract
The utility model relates to a kind of concentric locked mechanisms, include a driving axle center, one first axle center, one second axle center and one first locked instrument.First axle center couples driving axle center to drive driving axle center to rotate.Second axle center couples driving axle center to drive driving axle center to rotate.First locked instrument couples driving axle center, and includes a conical ring and a locking body.Conical ring has a hollow taper cavity, and driving axle center is arranged in hollow taper cavity.Locking body is set between driving axle center and conical ring.When conical ring is generated an axial displacement by one first external force, conical ring drives locking body to generate a radial force, directly locks driving axle center by radial force.The utility model can be applicable to microscope, and using radial locking to reach maximum locking mechanical advantage.
Description
Technical field
The utility model proposes a kind of locked mechanism, especially a kind of radial locking is to reach maximum locking mechanical advantage
Concentric locked mechanism.
Background technique
It is microscopical to be used in research and detection field is fairly common, it is many other than the visual inspection of biological tissue
Physical test and chemical action colour generation as a result, requiring to observe by microscope.Common microscope contains load
For object platform to multiply load sample sheet, user recycles the combination of object lens and eyepiece, to observe sample through eyepiece.The focal length of single object lens
It is fixed distance, and sample must fall on focal length and could clearly be observed.The object lens of different multiplying have different focal lengths
Length, therefore when switching the object lens of different multiplying, the distance between object lens and objective table need to be adjusted again.
Known microscope has generally comprised regulating wheel, for adjusting the height of objective table or the height of object lens, and changes
Change the distance between this and object lens.Regulating wheel can be further divided into coarse adjustment wheel and thin tuning wheel, height when coarse adjustment wheel rotates again
Variation is big, and height change is small when thin tuning wheel rotates.When practical operation, first rotating coarse adjustment wheel usually using person is presented sample
Among eyepiece, it is rotated further by thin tuning wheel fine tuning focal length drop point to sample.Optimum distance is kept between sample and object lens at this time,
Clearly appear from sample in eyepiece.After optimum distance is found, user is possible to wish in identical focal length
Under traversing sample, replacement sample or set up camera.However such movement is easy accidentally touching objective table or regulating wheel, makes
It is changed at the distance between sample and object lens.It is cumbersome for readjusting distance.Therefore, this field needs a kind of locking
Structure, can be after focal length drop point be adjusted, and the distance between objective table and object lens can also be locked.
Utility model content
In view of this, the utility model embodiment proposes a kind of concentric locked mechanism, can be useful in microscope or
It is that can lock axle center radially using the device of the utility model embodiment on the device of concentric drive to reach maximum lock
Gu mechanical advantage.
A kind of concentric locked mechanism of the utility model embodiment, it includes have the transmission with a transmission cavity
Axle center, one first axle center, one second axle center and one first locked instrument for adjusting cavity with one.First is adjusted
Axle center is coaxially arranged in drive cavity body, by coupling driving axle center to drive driving axle center to rotate.Second axle center is same
It is arranged in axis in adjusting cavity body, by coupling driving axle center to drive driving axle center to rotate.The coupling transmission of first locked instrument
Axle center, and further include a conical ring and a locking body.Conical ring has a hollow taper cavity, and driving axle center is worn
Among hollow taper cavity.Locking body is set between driving axle center and conical ring.Wherein outside conical ring is by one first
Power and when generating an axial displacement, conical ring drives locking body to generate a radial force, directly locks driving axle center by radial force.
In a specific embodiment, conical ring has the annular inside surface of a tapered diameter.When conical ring by this first
External force and when generating axial displacement, annular inside surface can drive locking body to generate radial force.
Concentric locked mechanism further includes a fixing axle sleeve and one first locking handwheel.Wherein fixed hub
Cylinder is coaxially sheathed between driving axle center and conical ring.First locking handwheel is coaxially disposed within an appearance of fixing axle sleeve
Face and couple conical ring.When the first locking handwheel is by second external force, the first locking hand wheel rotating simultaneously produces conical ring
Raw first external force.Fixing axle sleeve further has a hole, to accommodate locking body between driving axle center and conical ring.
In a specific embodiment, the first locking handwheel has one first handwheel screw thread.Fixing axle sleeve has one first
Bush whorl cooperates the first handwheel screw thread.First locking handwheel corresponds to first sleeve screw thread and is set to fixing axle sleeve.
Wherein, the material of locking body contains thermoplastic polyurethane elastomer or rubber.Locking body has an inner concave.Work as cone
When body axial displacement, the inner concave of bullet driving locking body generates radial force to paste driving axle center.
In a specific embodiment, concentric locked mechanism is applied on a microscope.Wherein the first axle center is one
Coarse adjustment wheel axle center, the second axle center is a thin tuning wheel axle center and driving axle center is a Z-axis transmission axle center.It is applied to
Microscopical concentric locked mechanism further includes a coarse adjustment wheel knob and a thin tuning wheel knob.Wherein coarse adjustment wheel revolves
Button couples coarse adjustment wheel axle center to drive coarse adjustment wheel axle center to rotate；Thin tuning wheel knob couples thin tuning wheel axle center and drives thin
The rotation of regulating wheel axle center.
Wherein, microscope includes an objective table, and Z-axis transmission axle center couples a Z axis rack gear, and Z axis rack gear couples objective table.
In another specific embodiment, microscope includes an object lens, and Z-axis transmission axle center couples a Z axis rack gear, and Z axis rack gear couples object
Mirror.
Concentric locked mechanism further includes one second locked instrument and couples the first axle center.Wherein the second locking
Device further includes a stop member and one second locking handwheel.Stop member couples and is linked in the first axle center.The
Two locking handwheels are set to except the first axle center.When the second locking handwheel is by a third external force, the second locking handwheel
An axial force is generated to fix the stop member.
In a specific embodiment, the second locked instrument further includes a shell, and the second locking handwheel is rotationally
It is set to shell and forms an accommodating space with shell, the part of stop member is set to accommodating space, when the second locking handwheel
When being rotated by third external force, second locking handwheel axial displacement and accommodating space reduce to fix stop member.
Concentric locked mechanism further includes one first adjusting handle and one second locked instrument.Wherein first adjust
Section handwheel is coaxially disposed one end of the first axle center and drives the rotation of the first axle center.Second locked instrument coupling first
Adjusting handle simultaneously further includes a shell, one second locking handwheel and a rotationally stop member.Second locking handwheel
It couples shell and forms an accommodating space with shell.Stop member couples and is linked in the first adjusting handle, and it is empty to be set to accommodating
Between.Wherein when the second locking handwheel is by third external force, the second locking handwheel moves axially toward shell and generates an axial force
To fix stop member.
In a specific embodiment, the first locked instrument is set to a first end of the driving axle center, the second locking dress
Install the second end for being placed in the driving axle center.When concentric locked mechanism is applied on a microscope, the first adjusting handle is
Coarse adjustment wheel, the second adjusting handle are thin tuning wheel.
In conclusion the concentric locked mechanism that the utility model embodiment proposes is compared with prior art, Ke Yidan
Solely the first axle center of locking, or lock the first axle center and the second axle center simultaneously.The external force of rotation can be easily
Ground transmitting is radially or axial locking force.Material and the mechanism design of locking body to avoid mechanical wear and can reach maximum lock
Gu benefit.It, can smoothly handover operation regulating wheel knob and locking using concentric locking handwheel when applied to microscope
Handwheel, user are quickly operated in small space.During locked instrument locks shaft, driving axle center is not twisted
The generation of torque, therefore the slight variations of focal distance are avoided.Finally, after locked instrument locking axle center, driving axle center,
Microscope Z axis, objective table or object lens all will not be because accidentally touching due to shift position again.Therefore the utility model solves the prior art
The problems in.
Detailed description of the invention
Fig. 1 depicts the first locked instrument part of the concentric locked mechanism of the utility model embodiment according to Fig. 6
Along the sectional view of A-A.
Fig. 2 depicts the first locked instrument part of the concentric locked mechanism of the utility model embodiment according to Fig. 6
Along the sectional view of B-B.
Fig. 3 A depicts the first locking dress in one specific embodiment of concentric locked mechanism of the utility model embodiment
The schematic diagram of the non-stress of the locking body set.
Fig. 3 B depicts the first locking dress in one specific embodiment of concentric locked mechanism of the utility model embodiment
Schematic diagram of the locking body set by the first external force.
The concentric locked mechanism that Fig. 4 depicts the utility model embodiment is applied to the signal on a microscope
Figure.
Fig. 5 depicts the second locked instrument part of the concentric locked mechanism of the utility model embodiment according to Fig. 6
Along the sectional view of A-A.
Fig. 6 depicts the intention of one specific embodiment of concentric locked mechanism of the utility model embodiment.
Symbol description
1: concentric locked mechanism 310: locking body
4: microscope 312: bullet
20: driving axle center 313: locking body shell
21: the first axle centers 314: the first locking handwheel
22: the second axle centers 320: shell
24: the locking handwheel of fixing axle sleeve 324: the second
31: the first locked instruments 325: stop member
32: the second locked instruments 410: coarse adjustment wheel knob
43: objective table 420: thin tuning wheel knob
44:Z axis rack gear 3108: inner concave
47: object lens 3120: annular inside surface
210: the first adjusting handle, 3140: the first handwheel screw thread
220: the second adjusting handles 3250: pin shaft
240: the F1: the first external force of hole
242: first sleeve screw thread F2: third external force
F3: the second external force
Specific embodiment
In order to allow the advantages of the utility model, spirit with feature can be easier and be expressly understood that, it is subsequent will with implementation
Example is simultaneously described in detail and is discussed referring to attached drawing.It is worth noting that, these embodiments are only the representative implementation of the utility model
Example, wherein the ad hoc approach illustrated, device, condition, material etc. is not intended to limit the utility model or corresponding embodiment.
In the description of this specification, reference term " specific embodiment ", " another specific embodiment " or " partially specific
" equal description means to be contained in conjunction with the embodiment particular features, structures, materials, or characteristics described originally practical new embodiment
In at least one embodiment of type.In the present specification, schematic expression of the above terms are not necessarily referring to identical reality
Apply example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments to close
Suitable mode combines.
In the description of the utility model utility model, it is to be understood that term " longitudinally, laterally, above and below, it is forward and backward, left,
The right side, top, bottom, it is inside and outside, look down, look up that " orientation or positional relationship of equal instructions is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the utility model utility model.
Please refer to Fig. 6, Fig. 1 and Fig. 2.Fig. 6 depicts one specific embodiment of concentric locked mechanism of the utility model
Schematic diagram.Fig. 1 depicts 31 part of the first locked instrument of the concentric locked mechanism 1 of the utility model according to Fig. 6 along A-A's
Sectional view.Fig. 2 depicts 31 part of the first locked instrument of the concentric locked mechanism 1 of the utility model according to Fig. 6 along B-B's
Sectional view.Wherein, axial line is passed through and be parallel to the A-A plane of Fig. 6, and B-B plane passes through and perpendicular to axial line.This reality
With a kind of novel concentric locked mechanism 1, it includes the driving axle center 20 having with a transmission cavity, there is an adjusting cavity
One first axle center 21, one second axle center 22 and one first locked instrument 31 of body.First axle center 21 is coaxial
Ground is arranged in drive cavity body, by coupling driving axle center 20 to drive driving axle center 20 to rotate.Second axle center 22 is coaxial
Ground is arranged in adjusting cavity body, by coupling driving axle center 20 to drive driving axle center 20 to rotate.The coupling of first locked instrument 31
Driving axle center 20, and further include a conical ring 312 and a locking body 310.Conical ring 312 has a hollow taper chamber
Body, driving axle center 20 are arranged among hollow taper cavity.Locking body 310 is set between driving axle center 20 and conical ring 312.
Wherein when conical ring 312 is generated an axial displacement by one first external force F1, conical ring 312 drives locking body 310 to generate
One radial force directly locks driving axle center 20 by radial force.
In a specific embodiment, conical ring 312 has the annular inside surface 3120 of a tapered diameter.When conical ring 312
When being generated axial displacement by the first external force F1, annular inside surface 3120 can drive locking body 310 to generate radial force.
In a specific embodiment, concentric locked mechanism 1 further includes a fixing axle sleeve 24 and one first
Lock handwheel 314.Wherein fixing axle sleeve 24 is coaxially sheathed between driving axle center 20 and conical ring 312.First locking hand
Wheel 314 is coaxially disposed within an outer surface of fixing axle sleeve 24 and couples conical ring 312.When first locking handwheel 314 by
When to one second external force F2, the first locking handwheel 314, which rotates, simultaneously imposes the first external force F1 to conical ring 312.
In Fig. 1 and Fig. 2, linearity region represents the section of the first axle center 21；Hatched example areas represents fixing axle sleeve
24；Horizontal line Regional Representative conical ring 312.In Fig. 1, heavy black represents the outer surface in an axle center and the interior table of another axis or sleeve
The intersection in face.
In a specific embodiment, fixing axle sleeve 24 has a hole 240, to accommodate locking body 310 in transmission shaft
Between the heart 20 and conical ring 312.
In a specific embodiment, the first locking handwheel 314 has one first handwheel screw thread 3140.Fixing axle sleeve 24 has
There is a first sleeve screw thread 242 to cooperate the first handwheel screw thread 3140.The first corresponding first sleeve screw thread 242 of locking handwheel 314 is set
It is placed in fixing axle sleeve 24.
In a specific embodiment, the material of locking body 310 contains thermoplastic polyurethane elastomer or rubber.So this is practical
Novel to be not limited, all plastic types and the material for possessing memory elasticity all can be used as the material of locking body 310.
Please refer to Fig. 3 A and 3B.Fig. 3 A is depicted in 1 one specific embodiment of concentric locked mechanism of the utility model
The schematic diagram of the non-stress of locking body 310 of one locked instrument 31.The concentric locked mechanism 1 one that Fig. 3 B depicts the utility model is specific
Schematic diagram of the locking body 310 of first locked instrument 31 by the first external force F1 in embodiment.In a specific embodiment, locking body
310 have an inner concave 3108.When 312 axial displacement of bullet, bullet 312 drives the inner concave 3108 of locking body 310
Radial force is generated to paste driving axle center 20.Inner concave 3108 is positioned at the lower surface of locking body 310.Locking body 310 it is upper
Surface and lower surface are coherent above-mentioned elastomer materials.
In a specific embodiment, the side of locking body is coated by an inelastic locking body shell 313.In Fig. 3 A and
The body shell 313 that locks in 3B is indicated with dashed rectangle.The rough size for meeting hole 240 of size for the body shell 313 that locks.Work as taper
When the annular inside surface 3120 of body 312 contacts and is compressed axially locking body 310, the elastic material of 310 top of locking body downwards to
Interior extruding；The elastic material of 310 side of locking body is limited by locking body shell 313；The inner concave 3108 of 310 lower surface of locking body
Float and is affixed to driving axle center 20.The arrow of Fig. 3 B indicates the part external force direction of elastic material when locking body 310 is extruded.
In a specific embodiment, when locking body 310 is attached at driving axle center 20, locking body 310 and driving axle center 20 it
Between have a frictional force.When driving axle center 20 rotates, locking body 310 is driven to rotate by frictional force.However, locking body shell
313 are fixed 240 size of the hole limitation of shaft sleeve 24, maintain static dynamic fixing axle sleeve 24 and limit locking body 310
Mobile, further locking body 310 limits the rotation of driving axle center 20 with frictional force.
Referring again to Fig. 1 to Fig. 3 B.In a specific embodiment, a user imposes second to the first locking handwheel 314
External force F2 implies that as rotation the first locking handwheel 314.Since the first locking handwheel 314 and fixing axle sleeve 24 are with screw thread phase
It connects, the first locking handwheel 314 can be axially displaced when being rotated along the first handwheel screw thread 3140.When the first locking handwheel 314
It is displaced to bullet 312, and generates the first external force F1 and impose on bullet 312, bullet 312 also generates axial displacement.Bullet
312 axial displacements are simultaneously close to locking body 310.The annular inside surface 3120 of bullet 312 is mobile towards locking body 310 and forces in
Locking body 310.Inner concave 3108 is affixed to driving axle center 20, and inner concave 3108 and driving axle center after locking body 310 is squeezed
There is a frictional force between 20.It is limited to hole 240, locking body 310 is immovable, and related driving axle center 20 is not able to rotate.
In a specific embodiment, when driving axle center 20 is not able to rotate, the first axle center 21 and the second axle center
22 also related are not able to rotate.
In another specific embodiment, when driving axle center 20 is not able to rotate, the first axle center 21 or the second adjustment axis
Both hearts 22 or in which one of can rotate, but it rotates strength and is not enough to that driving axle center 20 is driven to rotate.
In known technology, for the rotating shaft core that locks, locked instrument may be during locking, and slightly band
Moving axis heart pivot offset.By above-mentioned embodiment, the utility model embodiment by the first locked instrument 31 design,
Bullet 312 axially imposes the first external force F1, the first external force F1 through locking body 310 then radially forces in driving axle center
20.All there is no rotary forces for this external force twice, avoid the problem of locked instrument slightly drives axis rotation to deviate.Locking
Body 310 avoids abrasion or deformation caused by locking between machinery using elastic material, and generates the benefit that more preferably locks.
Please refer to Fig. 1 and Fig. 4.The concentric locked mechanism 1 that Fig. 4 depicts the utility model is applied on a microscope 4
A schematic diagram.In a specific embodiment, concentric locked mechanism 1 is applied on a microscope 4.Wherein the first axle center
21 be a coarse adjustment wheel axle center, and the second axle center 22 is a thin tuning wheel axle center and driving axle center 20 is a Z-axis transmission axis
The heart.Wherein a gear segment in Z-axis transmission axle center is not fixed shaft sleeve 24 and is coated, and this gear segment has and Z axis
The coaxial and synchronous gear of driving axle center.
In a specific embodiment, concentric locked mechanism 1 further includes one first adjusting handle and one second and adjusts
Handwheel.First adjusting handle couples the first axle center 21 to drive the rotation of the first axle center 21；The coupling of second adjusting handle
Second axle center 22 is to drive the rotation of the second axle center 22.
In a specific embodiment, the concentric locked mechanism 1 applied to microscope 4 further includes coarse adjustment wheel rotation
Button 410 and a thin tuning wheel knob 420.Wherein coarse adjustment wheel knob 410 is the first adjusting handle；Thin tuning wheel knob 420
As the second adjusting handle.Coarse adjustment wheel knob 410 couples coarse adjustment wheel axle center 21 to drive coarse adjustment wheel axle center 21 to rotate；Carefully
Regulating wheel knob 420 couples thin tuning wheel axle center 22 and thin tuning wheel axle center 22 is driven to rotate.
In some embodiments, as shown in figure 4, microscope 4 includes an objective table 43 and a Z axis rack gear 44, Z
Axis driving axle center couples objective table 43 by coupling Z axis rack gear 44, Z axis rack gear 44.Rotate coarse adjustment wheel knob 410 or thin tuning
When taking turns knob 420, coarse adjustment wheel axle center or the rotation of thin tuning wheel shaft core driving Z-axis transmission axle center.Z-axis transmission axle center is by gear
Section rotation drives Z axis rack gear 44 to move up and down.Band dynamic object stage 43 moves up and down Z axis rack gear 44 again, adjusts object lens 47 whereby
With the relative distance between objective table 43.And by the design of the utility model, after turning tight the first coaxial locking handwheel 314, Z axis is passed
The moving axis heart is fixed, therefore Z axis rack gear 44 cannot be moved up and down with objective table 43 by locking again.
In some embodiments, microscope includes an object lens 47, and Z-axis transmission axle center couples a Z axis rack gear 44, Z
Axis rack gear 44 couples object lens 47.When rotating coarse adjustment wheel knob 410 or thin tuning wheel knob 420, coarse adjustment wheel axle center or fine tuning
The shaft core driving Z-axis transmission axle center rotation of section wheel.Z-axis transmission axle center is rotated by gear segment drives Z axis rack gear 44 to move up and down.
Z axis rack gear 44 drives object lens 47 to move up and down again, adjusts the relative distance between object lens 47 and objective table 43 whereby.And by this
Novel design, after turning tight the first coaxial locking handwheel 314, Z-axis transmission axle center is fixed, therefore Z axis rack gear 44 and object lens
47 cannot be moved up and down again by locking.
Please refer to Fig. 5.Fig. 5 depicts the 32 part root of the second locked instrument of the concentric locked mechanism 1 of the utility model
According to Fig. 6 along the sectional view of A-A.In a specific embodiment, concentric locked mechanism 1 further includes one second locked instrument
32 the first axle centers 21 of coupling.Wherein the second locked instrument 32 further includes a stop member 325 and one second locking
Handwheel 324.Stop member 325 couples and is linked in the first axle center 21.Second locking handwheel 324 is set to the first axle center
Except 21.When the second locking handwheel 324 is by a third external force F3, the second locking handwheel 324 generates an axial force to fix
The stop member 325.
As shown in figure 5, the second locked instrument 32 further includes a shell 320, the second lock in a specific embodiment
Gu handwheel 324 is rotatablely arranged at shell 320 and forms an accommodating space, the part setting of stop member 325 with shell 320
In accommodating space, when the second locking handwheel 324 is rotated by third external force F3, the second locking 324 axial displacement of handwheel and
Accommodating space is reduced to fix stop member 325.
In a specific embodiment, concentric locked mechanism 1 further includes one first adjusting handle 210 and one second and adjusts
Save handwheel 220.Stop member 325 also for ring-type and is sheathed on the first axle center 21.Stop member utilizes a pin shaft 3250 coupling the
One adjusting handle 210.Stop member 325, the first adjusting handle 210 and the first axle center 21 are coupled to each other and mutually interconnect
It is dynamic.Stop member 325, the first adjusting handle 210 and the first axle center 21 are all indicated in Fig. 5 with linearity region.
In a specific embodiment, the second locking handwheel 324 is respectively provided with screw thread with shell 320 and is set with mutually matched
It sets.Shell 320 is fixed, axially moves when the second locking handwheel 324 is by the third external force F3 rotated by screw thread.The
Stop member 325 is fastened between the second locking handwheel 324 and shell 320 when two locking handwheels 324 are mobile to shell 320.When
Stop member 325 is fixed, and the first adjusting handle 210 and the first axle center 21 of gearing are neither able to rotate.However, second is adjusted
Handwheel 220 is not fixed with the second axle center 22, therefore the second adjusting handle 220 still can be rotated, and drives the
Two axle centers 22.And the second axle center 22 can still drive driving axle center 20 to rotate.If the second locked instrument 32 is applied to
On microscope, then when user's rotation the second locking handwheel 324 has locked coarse adjustment wheel, thin tuning wheel can still rotate and band
Dynamic object stage or object lens move up and down.
In another specific embodiment, concentric locked mechanism 1 further includes the first adjusting handle 210 and second
Locked instrument 32.Wherein the first adjusting handle 210 is coaxially disposed within one end of the first axle center 21 and drives first to adjust
Axle center 21 rotates.Second locked instrument 32 couples the first adjusting handle 210 and further includes a shell 320, one second lock
Gu handwheel 324 and rotationally stop member 325.Second locking handwheel 324, which couples shell 320 and forms one with shell, to be held
Between emptying.Stop member 325 couples and is linked in the first adjusting handle 324, and is set to accommodating space.Wherein when the second locking hand
When wheel 324 is by third external force F3, the second locking handwheel 324 moves axially toward shell 320 and generates an axial force to be stopped with fixing
Stop member 325.
Please refer to Fig. 1, Fig. 5 and Fig. 6.In a specific embodiment, the first locked instrument 31 is set to the driving axle center 20
A first end, which is set to a second end of the driving axle center 20.In practical application, a user
Operation setting has the microscope 4 of the concentric locked mechanism 1 of the utility model.In order to find out focal length, user adjusts coarse adjustment wheel,
The distance between object lens and objective table are significantly alterred, the rough profile for showing sample to be observed in eyepiece is made.Then, it uses
Person's rotation the second locking handwheel 324 is adjusted X-axis and Y-axis under this distance and is intended to looking for first axle center 21 that locks
The sample specific region of observation.After sample specific region is found, user adjusts thin tuning wheel again, by a small margin change object lens with
The distance between objective table makes the clear profile that sample to be observed is showed in eyepiece.Finally, user's rotation the first locking hand
Wheel 314 carries out sample shooting or replacement with the driving axle center 20 that locks, to facilitate.
In conclusion the concentric locked mechanism that the utility model embodiment proposes is compared with prior art, Ke Yidan
Solely the first axle center of locking, or lock the first axle center and the second axle center simultaneously.The external force of rotation can be easily
Ground transmitting is radially or axial locking force.Material and the mechanism design of locking body to avoid mechanical wear and can reach maximum lock
Gu benefit.It, can smoothly handover operation regulating wheel knob and locking using concentric locking handwheel when applied to microscope
Handwheel, user are quickly operated in small space.During locked instrument locks shaft, driving axle center is not twisted
The generation of torque, therefore the slight variations of focal distance are avoided.Finally, after locked instrument locking axle center, driving axle center,
Microscope Z axis, objective table or object lens all will not be because accidentally touching due to shift position again.Therefore the utility model solves the prior art
The problems in.
By the above detailed description of preferred embodiments, it would be desirable to more clearly describe the feature and essence of the utility model
Mind, and not the scope of the utility model is limited with above-mentioned revealed preferred embodiment.On the contrary, its mesh
Be intended to cover various changes and have equality be arranged in the scope of the scope of the patents that the utility model to be applied.
Therefore, the scope of the applied the scope of the patents of the utility model should illustrate the most wide explanation of work according to above-mentioned, to cause
Its arrangement for covering all possible change and tool equality.
Claims (10)
1. a kind of concentric locked mechanism, which is characterized in that include:
One driving axle center has a transmission cavity；
One first axle center has one to adjust cavity, is coaxially arranged in the drive cavity body, by the coupling driving axle center
To drive the driving axle center to rotate；
One second axle center is coaxially arranged in the adjusting cavity body, by couple the driving axle center to drive the transmission shaft
Heart rotation；And
One first locked instrument, couples the driving axle center, further includes:
One conical ring, has a hollow taper cavity, which is arranged among the hollow taper cavity；And
One locking body is set between the driving axle center and the conical ring；
Wherein when the conical ring is generated an axial displacement by one first external force, which drives the locking body to generate one
Radial force directly locks the driving axle center by the radial force.
2. concentric locked mechanism as described in claim 1, which is characterized in that the conical ring has the ring-type of a tapered diameter
Inner surface, when the conical ring is generated the axial displacement by first external force, which can drive the locking body
To generate the radial force.
3. concentric locked mechanism as described in claim 1, which is characterized in that further include a fixing axle sleeve and
One first locking handwheel, wherein the fixing axle sleeve is coaxially sheathed between the driving axle center and the conical ring, first lock
Gu handwheel is coaxially disposed within an outer surface of the fixing axle sleeve and couples the conical ring, when this first locking handwheel by
When one second external force, which simultaneously generates first external force to the conical ring.
4. concentric locked mechanism as claimed in claim 3, which is characterized in that the fixing axle sleeve has a hole, to
The locking body is accommodated between the driving axle center and the conical ring.
5. concentric locked mechanism as described in claim 1, which is characterized in that the material of the locking body contains thermoplastic poly ammonia
Ester elastomer or rubber.
6. concentric locked mechanism as claimed in claim 5, which is characterized in that the locking body has an inner concave, when the cone
When body axial displacement, which drives the inner concave of the locking body to generate the radial force to paste the driving axle center.
7. concentric locked mechanism as described in claim 1, which is characterized in that be applied on a microscope, wherein this first
Axle center is a coarse adjustment wheel axle center, which is a thin tuning wheel axle center and the driving axle center is a Z axis
Driving axle center.
8. concentric locked mechanism as claimed in claim 7, which is characterized in that further include a coarse adjustment wheel knob and one
Thin tuning wheel knob, wherein the coarse adjustment wheel knob couple the coarse adjustment wheel axle center with drive the coarse adjustment wheel axle center rotate, with
And the thin tuning wheel knob couples the thin tuning wheel axle center and the thin tuning wheel axle center is driven to rotate.
9. concentric locked mechanism as described in claim 1, which is characterized in that further include one second locked instrument coupling
First axle center is connect, wherein second locked instrument further includes a stop member and one second locking handwheel, should
Stop member couples and is linked in first axle center, which is set to except first axle center, when this
When second locking handwheel is by a third external force, which generates an axial force to fix the stop member.
10. concentric locked mechanism as claimed in claim 9, which is characterized in that second locked instrument further includes
One shell, the second locking handwheel are rotatablely arranged at the shell and form an accommodating space, the stop member with the shell
Part be set to the accommodating space, when this second locking handwheel rotated by the third external force when, this second locking handwheel
Axial displacement and the accommodating space are reduced to fix the stop member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106967.8U CN208669762U (en) | 2018-07-12 | 2018-07-12 | Concentric locked mechanism |
| TW107211873U TWM578384U (en) | 2018-07-12 | 2018-08-30 | Coaxial locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106967.8U CN208669762U (en) | 2018-07-12 | 2018-07-12 | Concentric locked mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208669762U true CN208669762U (en) | 2019-03-29 |
Family
ID=65826850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106967.8U Expired - Fee Related CN208669762U (en) | 2018-07-12 | 2018-07-12 | Concentric locked mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208669762U (en) |
| TW (1) | TWM578384U (en) |
-
2018
- 2018-07-12 CN CN201821106967.8U patent/CN208669762U/en not_active Expired - Fee Related
- 2018-08-30 TW TW107211873U patent/TWM578384U/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| TWM578384U (en) | 2019-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |