CN110568605A - Positioning assembly and microscope - Google Patents
Positioning assembly and microscope Download PDFInfo
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- CN110568605A CN110568605A CN201910818915.6A CN201910818915A CN110568605A CN 110568605 A CN110568605 A CN 110568605A CN 201910818915 A CN201910818915 A CN 201910818915A CN 110568605 A CN110568605 A CN 110568605A
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- 239000000758 substrate Substances 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/34—Microscope slides, e.g. mounting specimens on microscope slides
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- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The embodiment of the application provides a positioning assembly and a microscope, wherein the positioning assembly is used for fixing a bearing piece; this locating component includes: positioning a substrate; a first bearing structure and a second bearing structure are respectively arranged at two ends of the positioning base body along the length direction and are respectively used for supporting two ends of the bearing piece; the first fixing structure is arranged on the first bearing structure and used for fixing one end of the bearing piece; and the second fixing structure is arranged on the second bearing structure and used for fixing the other end of the bearing piece. The locating component that this application embodiment provided can fix bearing spare, and can avoid bearing spare to take place bending deformation.
Description
Technical Field
The application relates to a microscope carries thing device, especially relates to a locating component and microscope.
background
In the process of diagnosing diseases, whether live cells are diseased or not is judged, the conventional means is to adopt a mode of carrying a bearing member to carry out live body puncture to obtain cell tissues to be detected, the bearing member is fixed on an objective table of a microscope through a fixing device, and the cell characteristics are observed through the microscope, so that the conclusion whether the cells are diseased or not is obtained.
The bearing member is in a structure with a large length-thin ratio, the length of the bearing member is more than three times of the diameter, bending deformation is easy to generate in a free state, and the bearing member is more difficult to maintain in a flat state particularly under the condition that cell tissues to be detected are attached to the bearing member. The traditional fixing device applies tension force to two ends of the bearing piece to provide certain tension rigidity for the bearing piece so as to keep the bearing piece straight. In the practical application process, the tension force is difficult to control, and if the tension force is too small, the bearing part is easy to loosen; if the tension force is too large, the bearing part is easy to generate torsional deformation due to uneven stress, and the detection precision of the cell tissue to be detected is further reduced.
Disclosure of Invention
In order to solve one of the above problems, the embodiments of the present application provide a positioning assembly and a microscope.
the embodiment of the first aspect of the present application provides a positioning assembly, configured to fix a carrier; the method comprises the following steps: the positioning assembly includes:
Positioning a substrate; a first bearing structure and a second bearing structure are respectively arranged at two ends of the positioning base body along the length direction and are respectively used for supporting two ends of the bearing piece;
the first fixing structure is arranged on the first bearing structure and used for fixing one end of the bearing piece;
And the second fixing structure is arranged on the second bearing structure and used for fixing the other end of the bearing piece.
Embodiments of the second aspect of the present application provide a microscope comprising: a positioning assembly as described above.
The technical scheme that this application embodiment provided, adopt first bearing structure and second bearing structure to set up the both ends at the location base member respectively, a both ends for supporting carrier, still adopt first fixed knot structure to set up the one end of carrying the thing on first bearing structure and fix, second fixed knot constructs the other end of carrying the thing on second bearing structure and fixes, because first bearing structure and first fixed knot construct the power of carrying the thing and be the carrier axial direction of perpendicular to, second bearing structure and second fixed knot construct the power of carrying the thing and also be the carrier axial direction of perpendicular to, consequently, can not exert torsional force or axial tension to carrying the thing, the problem of adopting the taut mode in both ends to exert torsional force and axial tension to carrying the thing and make to carry the thing and take place torsional deformation easily in traditional scheme has been solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
Fig. 1 is a schematic structural diagram of a positioning assembly according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view illustrating an assembly of a first fixing structure in a positioning assembly according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of a compression member of the positioning assembly in a second position according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a compression member of the positioning assembly in a first position according to an embodiment of the present disclosure;
Fig. 5 is a schematic structural diagram of a positioning assembly according to an embodiment of the present disclosure, in which a pressing cover is in an open position.
Reference numerals:
1-positioning a substrate;
2-a first load bearing structure; 21-a riser; 22-an adaptor; 221-a first positioning groove;
3-a second load-bearing structure; 31-a second positioning groove; 32-limit pins; 33-a viewing aperture;
4-a first fixation structure; 41-a first pin; 42-a compression member; 421-hook; 43-a second pin; 44-rotating the slider;
5-a second fixation structure; 51-a hold down cap; 511-a projection; 512-observation window; 52-a locking element;
6-a carrier;
7-a connecting shaft; 71-locknut.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
example one
the embodiment provides a positioning assembly for fixing a bearing piece. The bearing part is in a structure with a large slenderness ratio, wherein the length is more than three times of the diameter. The carrier may be cylindrical, polygonal cylindrical or other shape. The positioning assembly provided by the embodiment can fix the bearing with a large slenderness ratio, and does not limit the specific diameter or length of the bearing.
Fig. 1 is a schematic structural diagram of a positioning assembly according to an embodiment of the present application. As shown in fig. 1, the positioning assembly provided in this embodiment includes: positioning base 1, first carrier structure 2, second carrier structure 3, first fixing structure 4 and second fixing structure 5. The first carrier structure 2 and the second carrier structure 3 are respectively disposed at two ends of the positioning base 1 along a length direction, the length direction is the same as that of the carrier 6, and the length direction of the carrier 6 can also be referred to as an axial direction. The first bearing structure 2 and the second bearing structure 3 are respectively located below two ends of the bearing part 6 and used for supporting two ends of the bearing part 6, and the supporting force is perpendicular to the axial direction of the bearing part.
A first fixing structure 4 is arranged on the first carrier structure 2 for fixing one end of the carrier 6. A second fixing structure 5 is arranged on the second carrier structure 3 for fixing the other end of the carrier 6. The pressing force exerted by the first fixing structure 4 and the second fixing structure 5 on the bearing 6 is perpendicular to the axial direction of the bearing, and the bearing 6 is fixed, but no torsion force or axial tension force is exerted on the bearing 6.
The technical scheme that this embodiment provided, adopt first bearing structure and second bearing structure to set up respectively at the both ends of location base member, a both ends for supporting carrier, still adopt first fixed knot structure to set up the one end of carrying the thing on first bearing structure and fix, second fixed knot constructs the other end of carrying the thing on second bearing structure and fixes, because first bearing structure and first fixed knot construct the power of carrying the thing and be the carrier axial direction of perpendicular to, second bearing structure and second fixed knot construct the power of carrying the thing and also be the carrier axial direction of perpendicular to, consequently can not exert torsional force or axial tension to carrying the thing, the problem of adopting the taut mode in both ends to exert torsional force and axial tension to carrying the thing and make to carry the thing and take place torsional deformation easily in traditional scheme is solved.
On the basis of the above technical solution, the present embodiment further exemplifies implementation manners of each component in the positioning assembly:
the first bearing structure 2 may specifically include: a vertical plate 21 arranged at one end of the positioning base body 1 and an adapter 22 arranged on the vertical plate 21 are fixed. Wherein the risers 21 are perpendicular to the length direction of the carrier 6. The adapter 22 is arranged on the vertical plate 21 on the side facing the second supporting structure 3 and can rotate relative to the vertical plate 21. One end of the carrier 6 may be fixed to an adapter 22, the adapter 22 being located below the end of the carrier 6 for supporting the carrier 6. The first fixing structure 4 is arranged on the adapter piece 22 for cooperating with the adapter piece 22 for fixing the carrier piece 6.
In addition, the adaptor 22 can be connected to an external rotation driving motor, and the rotation driving motor can drive the adaptor 22 to rotate, so as to drive the bearing member 6 to rotate. The bearing part 6 is a cylindrical structure with a large slenderness ratio, an observed object is attached to the peripheral surface of the bearing part, when the observed object is fixed in position, the bearing part 6 can be rotated to observe the observed object attached to each position on the arc-shaped surface, the comprehensiveness of detection of the observed object is improved, and the accuracy can be improved.
One specific implementation is as follows: the adaptor 22 is a semi-cylinder, and a plane parallel to the axial direction on the adaptor 22 is a first mounting surface. The first mounting surface is provided with a first positioning groove 221 extending along the axial direction, the end part of the bearing piece 6 can be accommodated in the first positioning groove 221, and the first positioning groove 221 plays a role in limiting the bearing piece 6 so that the bearing piece 6 cannot move along the radial direction. The first fixing structure 4 may be disposed on the first mounting surface for pressing the carrier 6 into the first positioning groove 221, so that the carrier 6 cannot be removed from the first positioning groove 221.
For the first fixing structure 4, there are various implementations, for example, the following can be adopted:
fig. 2 is a schematic structural view illustrating the assembly of the first fixing structure in the positioning assembly according to the embodiment of the present application, fig. 3 is a schematic structural view illustrating the pressing member in the positioning assembly according to the embodiment of the present application in the second position, and fig. 4 is a schematic structural view illustrating the pressing member in the positioning assembly according to the embodiment of the present application in the first position.
as shown in fig. 2 to 4, the first fixing structure 4 includes: a first pin 41 and a pressing member 42. Wherein the first pin 41 is inserted on the adaptor 22 in a direction perpendicular to the first mounting surface. One end of the pressing member 42 is rotatably connected to the first pin 41, and the pressing member 42 can rotate about the first pin 41.
The pressing member 42 is rotated counterclockwise to a first position where the pressing member 42 contacts and applies a pressing force to the first mounting surface to press the carrier 6, as shown in fig. 4; the hold down member 42 may also be rotated in a clockwise direction to a second position in which the hold down member 42 is disengaged from the first mounting surface to remove the hold down force on the carrier 6, as shown in fig. 3. Specifically, the pressing member 42 is a flat structure, and the bottom surface thereof is an inclined surface and forms a certain angle with the first mounting surface. Corresponding to the gradual change in thickness of the pressing member 42, the thicker end thereof is rotatably coupled to the first pin 41. When the pressing member 42 is in the second position, the contact area with the first mounting surface is small; when the pressing piece 42 rotates counterclockwise, the contact area between the pressing piece 42 and the first installation surface is larger and larger, and the thicker part of the pressing piece 42 is more closely attached to the first installation surface, so that pressing force is generated on the first installation surface.
further, a second pin 43 may be further adopted, and is fixedly inserted on the adaptor 22 along a direction perpendicular to the first mounting surface, and the second pin 43 and the first pin 41 are respectively located at two sides of the first positioning groove 221. A gap is left between the head of the second pin 43 and the first mounting surface. One end of the pressing member 42, which is far away from the first pin 41, is provided with a hook 421, and when the pressing member 42 rotates counterclockwise to the first position, the hook 421 can be accommodated in the gap and hooked on the second pin 41, so that the fixing of the pressing member 42 is strengthened, and the pressing member is prevented from being loosened.
An alternative way is to: the pressing piece 42 is fixedly provided with a rotating slide block 44, and an operator can drive the pressing piece 42 to rotate relative to the first pin 41 by pulling the rotating slide block 44 with a hand, so that the operation is convenient.
besides the above, the first fixing structure 4 can also be implemented in other ways, such as: the mode of adopting threaded connection: an external thread is arranged on the first pin 41, and the pressing piece 42 is fixedly connected with the first pin 41. The pressing piece 42 is rotated to drive the first pin 41 to rotate, the distance between the head of the first pin 41 and the first mounting surface is shortened, and then the pressing piece 42 applies pressing force to the first mounting surface.
Fig. 5 is a schematic structural diagram of a positioning assembly according to an embodiment of the present disclosure, in which a pressing cover is in an open position. As shown in fig. 5, the second bearing structure 3 is provided at an end of the positioning base 1 and is fixed by bolts. The second bearing structure 3 is provided with a second mounting surface on which a second positioning slot 31 is provided, and the other end of the bearing member 6 can be accommodated in the second positioning slot 31. The second carrier structure 3 is used to support a carrier 6. A limit pin 32 is inserted at the end of the second positioning slot 31, and the limit pin 32 is used for axially limiting the carrier 6.
one specific implementation is as follows: the second bearing structure 3 is provided with an observation hole 33, and the center line of the observation hole 33 is perpendicular to the second mounting surface. The observation hole 33 cuts off the second positioning groove 31 into a front portion and a rear portion, the bearing member 6 is arranged above the observation hole 33 in a straddling manner, and portions of the front side and the rear side of the observation hole 33 are accommodated in the second positioning groove 31, so that the front portion and the rear portion of the second positioning groove 31 can support and limit the bearing member 6.
For the second fixing structure 5, there are various implementations, for example, the following can be adopted: as shown in fig. 5, the second fixing structure 5 includes: a hold-down cover 51 and a locking piece 52. The hold-down cover 51 is connected to the second carrier structure 3 in a rotatable manner, so that the hold-down cover 51 can be rotated into a closed position or an open position relative to the second carrier structure 3. When the hold-down cover 51 is turned down to the closed position, it contacts the second mounting surface and holds down the carrier 6; when the hold-down cover 51 is flipped up to the open position, it separates from the second mounting surface and no longer applies a hold-down force to the carrier 6. A lock 52 is provided on the second carrier structure 3 for locking the hold-down cover 51 when the hold-down cover 51 is in the closed position.
for the locking member 52, it can be realized in various ways, for example: the locking piece 52 may be connected to the hold-down cover 51 by means of a screw connection, a snap connection, or the following means may be used: the locking piece 52 and the pressing cover 51 are respectively provided with a magnetic attraction piece and an attracted piece, so that the locking piece 52 and the pressing cover 51 are fixed together in a magnetic attraction manner. For example: a permanent magnet is provided on the locking member 52, an iron block is provided on the holding cover 51, and the holding cover 51 is firmly fixed to the locking member 52 by the magnetic force of the permanent magnet on the iron block.
In this embodiment, the locking member 52 is provided on the side of the positioning base 1, the pressing cover 51 is provided with a protrusion 511 extending toward the locking member 52, and the protrusion 511 is provided with a magnetically attracted member. When the hold-down cover 51 is in the closed state, the projection 511 is positioned above the lock member 52, and the projection 511 is attracted to be closely fitted to the lock member 52 by a magnetic force.
further, the hold-down cover 51 is provided with an observation window 512, and the observation window 512 corresponds to the observation hole 33. Specifically, the pressing cover 51 is in a square frame shape, the middle hollow area forms an observation window 512, and when the pressing cover 51 is in the closed position, both short frames of the pressing cover 51 contact with the second mounting surface and apply pressing force thereto to limit the radial movement of the bearing member 6.
In addition, adopt connecting axle 7, be located riser 21 and deviate from one side of adaptor 22 and link to each other with adaptor 22, the other end of connecting axle 7 links to each other with the rotating electrical machines to rotate through rotating electrical machines drive adaptor 22, and then drive and hold 6 rotations of piece.
the connection of the connection shaft 7 to the rotating electrical machine can be made by conventional means, such as: the connection is carried out by a coupler, in particular, a locknut 71 can be used for connection, so that the connecting shaft 7 is prevented from being separated.
The present embodiment also provides a microscope comprising the positioning assembly as provided in any of the above. The microscope may be an electron microscope, and particularly, an electron microscope capable of observing an observed object on an arc surface. The microscope provided by the embodiment adopts the positioning assembly, adopts the first bearing structure and the second bearing structure which are respectively arranged at the two ends of the positioning base body, used for supporting two ends of the bearing part, a first fixing structure is arranged on the first bearing structure to fix one end of the bearing part, a second fixing structure is arranged on the second bearing structure to fix the other end of the bearing part, because the force applied to the bearing member by the first bearing structure and the first fixing structure is perpendicular to the axial direction of the bearing member, the force applied to the bearing member by the second bearing structure and the second fixing structure is also perpendicular to the axial direction of the bearing member, therefore, torsional force or axial tension cannot be applied to the bearing piece, and the problem that torsional deformation is easy to occur to the bearing piece due to the fact that the torsional force and the axial tension are applied to the bearing piece in a two-end tensioning mode in the traditional scheme is solved.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
while the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (13)
1. A positioning assembly for securing a carrier; it is characterized by comprising: the positioning assembly includes:
Positioning a substrate; a first bearing structure and a second bearing structure are respectively arranged at two ends of the positioning base body along the length direction and are respectively used for supporting two ends of the bearing piece;
the first fixing structure is arranged on the first bearing structure and used for fixing one end of the bearing piece;
And the second fixing structure is arranged on the second bearing structure and used for fixing the other end of the bearing piece.
2. The positioning assembly of claim 1, wherein the first load bearing structure comprises:
the vertical plate is fixedly arranged at one end of the positioning base body and is vertical to the length direction of the bearing piece;
The adapter is arranged on one side, facing the second bearing structure, of the vertical plate and is in rotary connection with the vertical plate; the adapter is used for supporting the bearing piece and arranging the first fixing structure.
3. the positioning assembly of claim 2, wherein the adapter has a first mounting surface for providing the first securing structure, the first mounting surface having a first positioning slot for receiving the carrier; the first fixing structure is used for pressing the bearing piece in the first positioning groove for fixing.
4. The positioning assembly of claim 3, wherein the first fixed structure comprises:
the first pin is fixedly inserted on the adapter piece along the direction vertical to the first mounting surface;
One end of the pressing piece is rotationally connected with the first pin; the pressing piece can rotate to a first position or a second position relative to the first pin; when the bearing piece is in the first position, the pressing piece is in contact with the first mounting surface and presses the bearing piece; in the second position, the pressing member is separated from the first mounting surface to release the pressing force on the bearing member.
5. The locating assembly of claim 4, wherein the bottom surface of the hold down member is beveled to provide a snug fit of the bottom surface of the end of the hold down member adjacent the first pin with the first mounting surface.
6. a positioning assembly according to claim 4 or 5, wherein the end of the compression member remote from the first pin is provided with a hook;
The first fixing structure further includes:
the second pin is fixedly inserted on the adapter piece along the direction vertical to the first mounting surface; a gap capable of accommodating a hook is reserved between the head of the second pin and the first mounting surface; when the pressing piece is at the first position, the hook is accommodated in the gap and is hooked on the second pin.
7. The positioning assembly of claim 1, wherein the second carrier structure has a second mounting surface with a second positioning slot for receiving a carrier; and a limiting pin vertical to the second mounting surface is inserted into the tail end of the second positioning groove.
8. The positioning assembly according to claim 7, wherein the second bearing structure defines an observation hole having a center line perpendicular to the second mounting surface, and the observation hole cuts the second positioning groove into a front portion and a rear portion; the bearing piece is arranged above the observation hole in a spanning mode, and the parts, located on two sides of the observation hole respectively, are all accommodated in the second positioning grooves.
9. The positioning assembly of claim 8, wherein the second securing structure comprises:
The pressing cover is rotationally connected with the second bearing structure; the hold-down cover is rotatable to a closed position or an open position relative to the second load-bearing structure; when in the closed position, the pressing cover is in contact with the second mounting surface and presses the bearing piece; the hold down cover is separated from the second mounting surface when in the open position; the pressing cover is provided with an observation window corresponding to the observation hole in position;
A locking member provided on the second load bearing structure for locking the hold-down cover when the hold-down cover is in the closed position.
10. the positioning assembly of claim 9, wherein the locking member has a magnetic attraction member disposed therein;
The pressing cover is provided with a protruding part extending towards the locking piece, and a magnetic force adsorbed piece is arranged in the protruding part.
11. The positioning assembly of claim 9, wherein the compression cover is in the shape of a square frame, and the viewing window is formed by a hollow-out area in the middle;
When the pressing cover is in the closed position, the two short frames of the pressing cover are both in contact with the second mounting surface and exert pressing force on the second mounting surface.
12. the positioning assembly of claim 2, further comprising:
and the connecting shaft is connected with the adapter from one side of the vertical plate departing from the second bearing structure.
13. A microscope, comprising: the positioning assembly of any of claims 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818915.6A CN110568605A (en) | 2019-08-30 | 2019-08-30 | Positioning assembly and microscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818915.6A CN110568605A (en) | 2019-08-30 | 2019-08-30 | Positioning assembly and microscope |
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| CN110568605A true CN110568605A (en) | 2019-12-13 |
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| CN201910818915.6A Pending CN110568605A (en) | 2019-08-30 | 2019-08-30 | Positioning assembly and microscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525818A (en) * | 2019-09-18 | 2021-03-19 | 德路通（石家庄）生物科技有限公司 | Clamping assembly and microscope |
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