CN219978618U - Automatic lifting focusing device for microscope - Google Patents
Automatic lifting focusing device for microscope Download PDFInfo
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- CN219978618U CN219978618U CN202320950529.4U CN202320950529U CN219978618U CN 219978618 U CN219978618 U CN 219978618U CN 202320950529 U CN202320950529 U CN 202320950529U CN 219978618 U CN219978618 U CN 219978618U
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- screw rod
- fixing seat
- microscope
- support arm
- objective
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- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- Microscoopes, Condenser (AREA)
Abstract
The utility model discloses an automatic lifting focusing device for a microscope, which comprises a mounting support arm and a screw rod rotatably mounted on the mounting support arm, wherein the screw rod is rotatably connected with an objective turntable fixing seat, a motor in transmission connection with the screw rod is arranged on the mounting support arm, the objective turntable fixing seat is slidably mounted on a second mounting seat, the sliding direction of the objective turntable fixing seat is the same as the length direction of the screw rod, and the second mounting seat is fixedly connected with the mounting support arm through a connecting block. The beneficial effects are that: the automatic lifting focusing device for the microscope can realize Z-axis automatic focusing, has high adjusting speed and high precision, greatly shortens time consumption compared with manual focusing, improves working efficiency, adopts integrated design, and has simple integral structure and low manufacturing cost.
Description
Technical Field
The utility model relates to the technical field of microscope application, in particular to an automatic lifting focusing device for a microscope.
Background
The microscope is a universal device widely applied to medical and health institutions, laboratories, research institutions, middle and high school institutions and the like for biological, pathological and bacteriological research, high school institutions, clinical experiments and routine examination.
With the development of image processing and artificial intelligence technology, the development of digital pathology scanners is promoted by the slow emergence of microscope amplifying equipment with scanning function. Although various microscope slide scanners enter the market successively, the price is relatively high, especially the focusing device which can be automatically controlled, is accurate and integrated is complex in structure, large in size and high in price, the scanning efficiency still cannot be comparable with that of professional visual observation, and in addition, due to inadaptation caused by the change of the working flow of the scanner introduced by a hospital, the acceptance of a doctor on the microscope scanner does not reach the expected effect.
In addition, when clear images are required to be observed, doctors need to conduct Z-axis coarse focusing adjustment and fine focusing adjustment, the time required for fine focusing is long, after all, the manual adjustment accuracy is poor, repeated focusing is needed, and the time is delayed.
In addition, the traditional manual microscope only provides the function of under-the-lens observation, the global observation of the sample and the retention of the digital image can not be realized, a large amount of detection work needs to be completed manually step by step, and the development of industrial automatic detection and medical automatic detection is greatly limited in the mode.
Disclosure of Invention
The utility model mainly aims to provide an automatic lifting focusing device for a microscope, and aims to solve the problems that the existing manual Z-axis focusing adjustment precision is low, the time consumption is long, the working efficiency is affected, the whole structure of the focusing device is complex and the price is high.
In order to solve the problems, the utility model provides an automatic lifting focusing device for a microscope, which comprises a mounting support arm and a screw rod rotatably mounted on the mounting support arm, wherein the screw rod is rotatably connected with an objective turntable fixing seat, a motor in transmission connection with the screw rod is arranged on the mounting support arm, the objective turntable fixing seat is slidably mounted on a second mounting seat, the sliding direction of the objective turntable fixing seat is the same as the length direction of the screw rod, and the second mounting seat is fixedly connected with the mounting support arm through a connecting block.
In an embodiment, be equipped with the separation blade on the objective revolving stage fixing base, be equipped with spacing photoelectric sensor and the zero position photoelectric sensor that links to each other with installation support arm on the travel path of separation blade, when spacing photoelectric sensor and zero position photoelectric sensor are passed through to the separation blade, spacing photoelectric sensor and zero position photoelectric sensor can produce the response signal.
In an embodiment, a grating ruler is arranged on the objective turntable fixing seat, a grating sensor connected with the mounting bracket arm is arranged on the moving path of the grating ruler, and the grating sensor can generate a sensing signal when the grating ruler moves.
In one embodiment, the output shaft of the motor is provided with a driving wheel, one end of the screw rod is provided with a driven wheel, the driving wheel and the driven wheel are in transmission connection through a transmission belt, and the driving wheel, the driven wheel and the transmission belt are positioned in the mounting bracket arm;
the upper cover plate is arranged on the mounting support arm and used for isolating the inside of the mounting support arm from the outside.
In an embodiment, one end of the screw rod is rotatably connected with the mounting bracket arm, and the other end of the screw rod is rotatably connected with the mounting bracket, and the mounting bracket is fixedly connected with the mounting bracket arm.
In one embodiment, the mounting frame housing is provided with a lower cover plate that is detachably and fixedly connected to the mounting bracket arm.
In an embodiment, a guide rail is fixedly arranged on the second mounting seat, and the objective turntable fixing seat is connected with the guide rail in a sliding manner.
In an embodiment, the objective turret fixing base is provided with a mortise for sliding and buckling with a tenon of the objective turret.
In an embodiment, the mounting bracket arm is provided with an eyepiece mount, and the eyepiece mount is positioned directly above the objective turret fixing seat.
In one embodiment, the mounting bracket arm is provided with a wiring port.
The beneficial effects are that: the automatic lifting focusing device for the microscope can realize Z-axis automatic focusing, has high adjusting speed and high precision, greatly shortens time consumption compared with manual focusing, improves working efficiency, adopts integrated design, and has simple integral structure and low manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an automatic lifting focusing device for a microscope according to the first embodiment of the present utility model;
FIG. 2 is a schematic diagram showing a structure of an automatic lifting focusing device for a microscope according to the present utility model;
FIG. 3 is a schematic illustration of FIG. 1 with the lower cover plate removed;
FIG. 4 is a schematic view of FIG. 2 with the lower and upper cover plates removed;
FIG. 5 is a schematic view of the structure of the objective turret;
FIG. 6 is a schematic view of the installation of an objective turret;
fig. 7 is an exploded view of the automatic up-down focusing apparatus for a microscope of the present utility model.
The reference numerals are explained as follows:
1. mounting a support arm; 2. an upper cover plate; 3. an eyepiece mount; 4. the objective turntable fixing seat; 5. a lower cover plate; 6. a motor; 7. a wiring port; 8. a screw rod; 9. a mounting frame; 10. a grating sensor; 11. a grating ruler; 12. a limit photoelectric sensor; 13. a zero-position photoelectric sensor; 14. a baffle; 15. driven wheel; 16. a transmission belt; 17. a driving wheel; 18. an objective turret; 19. a tenon; 20. a nut; 21. a second mounting seat; 22. a guide rail; 23. a tongue and groove; 24. and (5) connecting a block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model provides an automatic lifting focusing device for a microscope, which is used for efficiently and accurately adjusting the distance between an objective lens on a microscope stage and a sample slide on the microscope stage, so that an image seen under a microscope objective window is clearest.
In a specific embodiment of the utility model, as shown in fig. 1-4 and 7, the automatic lifting focusing device for a microscope comprises a mounting bracket arm 1 and a screw rod 8 rotatably mounted on the mounting bracket arm 1, further, in order to enable the screw rod 8 to smoothly rotate on the mounting bracket arm 1, one end of the screw rod 8 is rotatably connected with the mounting bracket arm 1, the other end of the screw rod 8 is rotatably connected with a mounting frame 9, and the mounting frame 9 is fixedly connected with the mounting bracket arm 1, as shown in fig. 7.
In this embodiment, as shown in fig. 7, the screw rod 8 is rotatably sleeved with a nut 20, the nut 20 is fixedly connected with the objective turret fixing seat 4, the objective turret fixing seat 4 is used for installing and fixing the objective turret 18, the objective turret 18 is provided with a tenon 19 as shown in fig. 5 and 6, the objective turret fixing seat 4 is provided with a tenon groove 23, the tenon 19 can be slidably inserted into the tenon groove 23, and then the tenon 19 is fixed in the tenon groove 23 by using a screw, so that the objective turret 18 is fixedly connected with the objective turret fixing seat 4.
It should be noted that, the sample slide on the microscope stage is located below the objective turret fixing seat 4 in fig. 7, so that the up-and-down movement of the objective turret fixing seat 4 is Z-axis focusing adjustment.
In this embodiment, as shown in fig. 1 to 4 and fig. 7, the eyepiece mount 3 is disposed on the mounting bracket arm 1, and the eyepiece mount 3 is located directly above the objective turret fixing seat 4, and the eyepiece mount 3 is used for mounting an eyepiece.
In this embodiment, as shown in fig. 7, the objective turntable fixing seat 4 is slidably mounted on the second mounting seat 21 up and down, and the sliding direction is the same as the length direction of the screw rod 8, the second mounting seat 21 is fixedly connected with the mounting support arm 1 through the connecting block 24, the motor 6 connected with the screw rod 8 in a transmission manner is arranged on the mounting support arm 1, and after the motor 6 is started, the objective turntable fixing seat 4 is driven to slide on the second mounting seat 21 through the screw rod 8, so that the height position of the objective turntable fixing seat 4 is adjusted, the adjusting speed is high, the efficiency is high, compared with manual focusing, the time consumption is greatly shortened, and the work efficiency is improved.
When a sample needs to be observed globally and a digital image is reserved, the control motor 6 drives the objective turntable fixing seat 4 to reciprocate up and down until the scanning system completes image acquisition, analysis processing and identification of a sample slide, at this time, the automatic lifting focusing device for the microscope can realize automatic control, and the Z-axis focusing precision of the automatic lifting focusing device for the microscope is high, so that the integrated appearance design is neat and attractive under the condition that the using function of the microscope is not influenced.
Preferably, the motor 6 is a stepping motor, so that the objective turntable fixing seat can move in a 4-micrometer level, and the adjustment accuracy is improved.
Further, in this embodiment, as shown in fig. 7, the second mounting seat 21 is fixedly provided with a guide rail 22, and the objective turret fixing seat 4 is slidably connected with the guide rail 22, so that the objective turret fixing seat 4 can slide stably up and down, preferably, the guide rail 22 has a plurality of guide rails, and the gap between two adjacent guide rails 22 can be adjusted, so as to further adjust the smoothness of the guide rail 22.
In this embodiment, as shown in fig. 1-4 and fig. 7, the output shaft of the motor 6 is provided with a driving wheel 17, one end of the screw rod 8 is provided with a driven wheel 15, the driving wheel 17 and the driven wheel 15 are in transmission connection through a transmission belt 16, the driving wheel 17, the driven wheel 15 and the transmission belt 16 are positioned in the mounting bracket arm 1, and the mounting bracket arm 1 is provided with an upper cover plate 2 for isolating the inside of the mounting bracket arm 1 from the outside, that is, covering the driving wheel 17, the driven wheel 15 and the transmission belt 16, so that the whole automatic lifting focusing device for a microscope is integrated, neat and attractive in appearance, and excessive use space occupied by stacking the automatic lifting focusing device for the microscope is avoided.
In this embodiment, as shown in fig. 3 and 7, a blocking piece 14 is fixed on the objective turntable fixing seat 4, a limiting photoelectric sensor 12 and a zero-position photoelectric sensor 13 which are fixedly connected with the mounting bracket arm 1 are arranged on a moving path of the blocking piece 14, the setting height of the zero-position photoelectric sensor 13 is higher than that of the limiting photoelectric sensor 12, the blocking piece 14 descends under the driving of the objective turntable fixing seat 4 to pass through the zero-position photoelectric sensor 13 first and then pass through the limiting photoelectric sensor 12, when the blocking piece 14 passes through the zero-position photoelectric sensor 13, the zero-position photoelectric sensor 13 can generate an induction signal, according to the induction signal, the position of the objective turntable fixing seat 4 can be known, that is, the objective turntable fixing seat 4 is located at an initial zero position, and during Z-axis focusing, the control motor 6 starts to drive the objective turntable fixing seat 4 to descend from the initial zero position until focusing is in place, the setting of the limiting photoelectric sensor 12 is used for preventing the objective turntable fixing seat 4 from descending excessively to cause the microscope to contact with a sample slide, when the limiting photoelectric sensor 12 generates an induction signal, which indicates that the objective turntable fixing seat 4 descends excessively, otherwise, the objective turntable fixing seat 4 cannot descend continuously, or the objective turntable can observe the sample slide, and the microscope is affected.
In this embodiment, as shown in fig. 3 and 7, the optical grating scale 11 is fixed on the objective turntable fixing seat 4, the optical grating sensor 10 fixedly connected with the mounting bracket arm 1 is disposed on the moving path of the optical grating scale 11, the optical grating scale 11 moves to enable the optical grating sensor 10 to generate an induction signal, then detect the real-time height position of the objective turntable fixing seat 4, and the optical grating positioning accuracy is high, so that the high-accuracy lifting focusing of the automatic lifting focusing device for the microscope is facilitated, and the accuracy and timeliness of real-time tracking of the focal plane of the automatic scanning system for the microscope in the automatic scanning process are greatly improved.
In this embodiment, as shown in fig. 1, the mounting bracket arm 1 is provided with a wiring port 7, so that the design is designed, and the electrical device connecting cable can be hidden inside the mounting bracket arm 1 while the electrical device connecting cable is convenient for electrical outlet connection, so that the integral and hidden layout of the automatic lifting focusing device for the whole microscope is realized, and the appearance structure is more neat and attractive.
Further, as shown in fig. 1-4 and 7, the outer cover of the mounting frame 9 is provided with a lower cover plate 5, the lower cover plate 5 is detachably and fixedly connected with the mounting frame arm 1, and the mounting frame 9, the limiting photoelectric sensor 12, the zero photoelectric sensor 13, the grating ruler 11 and the grating sensor 10 are covered by the lower cover plate 5, so that the whole automatic lifting focusing device for the microscope is integrated, neat and attractive in appearance.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The automatic lifting focusing device for the microscope is characterized by comprising an installation support arm and a screw rod rotatably installed on the installation support arm, wherein the screw rod is rotatably connected with an objective turntable fixing seat, a motor connected with screw rod transmission is arranged on the installation support arm, the objective turntable fixing seat is slidably installed on a second installation seat, the sliding direction of the objective turntable fixing seat is the same as the length direction of the screw rod, and the second installation seat is fixedly connected with the installation support arm through a connecting block.
2. The automatic lifting focusing device for a microscope according to claim 1, wherein a baffle is arranged on the objective turntable fixing seat, a limiting photoelectric sensor and a zero photoelectric sensor which are connected with the mounting support arm are arranged on the moving path of the baffle, and when the baffle passes through the limiting photoelectric sensor and the zero photoelectric sensor, the limiting photoelectric sensor and the zero photoelectric sensor can generate sensing signals.
3. The automatic lifting focusing device for a microscope according to claim 1, wherein a grating scale is arranged on the objective turntable fixing seat, a grating sensor connected with the mounting bracket arm is arranged on the moving path of the grating scale, and the grating scale can move to enable the grating sensor to generate a sensing signal.
4. The automatic lifting focusing device for a microscope according to claim 1, wherein an output shaft of the motor is provided with a driving wheel, one end of the screw rod is provided with a driven wheel, the driving wheel and the driven wheel are in transmission connection through a transmission belt, and the driving wheel, the driven wheel and the transmission belt are positioned in an installation support arm;
the upper cover plate is arranged on the mounting support arm and used for isolating the inside of the mounting support arm from the outside.
5. The automatic lifting focusing device for a microscope according to claim 1, wherein one end of the screw rod is rotatably connected with the mounting bracket arm, the other end of the screw rod is rotatably connected with the mounting bracket arm, and the mounting bracket is fixedly connected with the mounting bracket arm.
6. An automatic lifting focusing apparatus for a microscope as recited in claim 5, wherein the mounting frame housing is provided with a lower cover plate that is removably fixedly connected to the mounting bracket arm.
7. The automatic lifting focusing device for a microscope according to claim 1, wherein the second mounting seat is fixedly provided with a guide rail, and the objective turntable fixing seat is slidably connected with the guide rail.
8. The automatic lifting focusing device for a microscope according to claim 1, wherein the objective turret fixing seat is provided with a mortise for sliding engagement with a tenon of the objective turret.
9. The automatic up-down focusing device for a microscope according to claim 1, wherein the mount arm is provided with an eyepiece mount, and the eyepiece mount is located right above the objective turret fixing base.
10. An automatic up-down focusing apparatus for a microscope as set forth in claim 1, wherein said mounting bracket arm is provided with a wiring port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320950529.4U CN219978618U (en) | 2023-04-24 | 2023-04-24 | Automatic lifting focusing device for microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320950529.4U CN219978618U (en) | 2023-04-24 | 2023-04-24 | Automatic lifting focusing device for microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219978618U true CN219978618U (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320950529.4U Active CN219978618U (en) | 2023-04-24 | 2023-04-24 | Automatic lifting focusing device for microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219978618U (en) |
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2023
- 2023-04-24 CN CN202320950529.4U patent/CN219978618U/en active Active
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