CN110658619A - Microscope for gene medicine research and development - Google Patents

Microscope for gene medicine research and development Download PDF

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Publication number
CN110658619A
CN110658619A CN201911197291.7A CN201911197291A CN110658619A CN 110658619 A CN110658619 A CN 110658619A CN 201911197291 A CN201911197291 A CN 201911197291A CN 110658619 A CN110658619 A CN 110658619A
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China
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fixedly connected
wall
threaded
microscope
plate
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CN201911197291.7A
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Chinese (zh)
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王文明
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Guangzhou Zhong An Gene Technology Co Ltd
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Guangzhou Zhong An Gene Technology Co Ltd
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Priority to CN201911197291.7A priority Critical patent/CN110658619A/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00Microscopes
    • G02B21/24Base structure

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention relates to the technical field of gene drug research and development, and discloses a microscope for gene drug research and development, which comprises a supporting shell, wherein the left side and the right side of the inner wall of the supporting shell are fixedly connected with fixed blocks, the inner wall of each fixed block is in threaded connection with a fixing screw, the surface of each fixing screw is in sliding connection with a cushion block, the surface of each cushion block is fixedly connected with a supporting plate, and the bottom of each supporting plate is in contact with the upper surface of the supporting shell. According to the invention, the sealing plate, the air pipe, the fixing mechanism, the sliding plate, the spring, the baffle plate, the first threaded column, the second threaded column, the first hinge block, the hinge rod, the second hinge block, the sealing block, the support column and the connecting block are arranged, after the microscope is placed on the operating platform, the support shell is fixed through the rubber sucker, so that the problem that a user mistakenly touches the microscope body in the using process to topple the microscope body, and the lens or parts on the microscope body are easily damaged is prevented.

Description

Microscope for gene medicine research and development
Technical Field
The invention relates to the technical field of gene drug research and development, in particular to a microscope for gene drug research and development.
Background
The microscope is an optical instrument composed of a lens or a combination of several lenses, and is mainly used for magnifying tiny objects which can be seen by naked eyes of people. At present, in gene medicine research and development process, often need use the microscope to observe tiny object, place the microscope back on operation platform, if the user miss touches the microscope, make the microscope body take place to empty easily, and then lead to lens or part damage on the microscope body easily.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: after placing microscope on operation platform, if the user mistake touches the microscope, easily make the microscope body take place to empty, and then lead to lens or part on the microscope body to damage easily, and the microscope is used in research and development of a gene medicine that provides.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a gene medicine is microscope for research and development, includes supporting housing, the equal fixedly connected with fixed block in the left and right sides of supporting housing inner wall, the inner wall threaded connection of fixed block has set screw, set screw's surface sliding connection has the cushion, the fixed surface of cushion is connected with the backup pad, the bottom of backup pad and supporting housing's upper surface contact, the last fixed surface of backup pad is connected with the microscope body.
The inner wall fixedly connected with closing plate of support housing, the inner wall sliding connection of closing plate has the trachea, tracheal surperficial threaded connection has fixed establishment, fixed establishment is located the below of closing plate, tracheal fixed surface is connected with the slide, the surface of slide and support housing's inner wall sliding connection, the air pocket has all been seted up to the left and right sides of slide, the last fixed surface of slide is connected with the spring, the last fixed surface of spring is connected with the baffle, the surface of baffle and support housing's inner wall fixed connection.
The left side and the right side of the supporting shell are both provided with through holes, the inner wall of the through hole at the left side is slidably connected with a first threaded column, the inner wall of the through hole at the right side is slidably connected with a second threaded column, the right side of the first threaded column is fixedly connected with the left side of the second threaded column, the left side of the first threaded column and the right side of the second threaded column are both fixedly connected with handle blocks, the surface of the first threaded column and the surface of the second threaded column are both in threaded connection with a first hinge block, the upper surface of the baffle plate is provided with a sliding hole, the front side and the rear side of the first hinge block are both slidably connected with the inner wall of the sliding hole, the inner wall of the first hinge block is hinged with a hinge rod through a pin shaft, the bottom of the hinge rod is hinged with a second hinge block through a pin shaft, the bottom of the second hinge block is fixedly connected with a sealing block, and, the inner wall sliding connection of sealed piece has the support column, the equal fixedly connected with connecting block of the upper surface of the left and right sides and the slide of support column, the second gas pocket has all been seted up to the left and right sides of support housing, the second gas pocket is located between closing plate and the baffle, the equal fixedly connected with first dust screen in the left and right sides of support housing, the center of first dust screen and the center of second gas pocket are on same water flat line.
Preferably, the fixing mechanism comprises a rubber sucker, the surface of the rubber sucker is fixedly connected with a threaded ring, the inner wall of the threaded ring is in threaded connection with the surface of the air pipe, a first air hole is formed in the top of the inner wall of the rubber sucker, and the center of the first air hole and the center of the air pipe are on the same vertical line.
Preferably, the bottom of the air pipe is fixedly connected with a second dustproof net, and the surface of the second dustproof net is in sliding connection with the inner wall of the threaded ring.
Preferably, the inner wall of the supporting shell is fixedly connected with a limiting plate, the limiting plate is located between the fixing block and the supporting plate, limiting grooves are formed in the left side and the right side of the limiting plate, and the inner wall of each limiting groove is connected with the surface of the corresponding cushion block in a sliding mode.
Preferably, the center of the air pipe is on the same vertical line with the center of the support housing, and the upper surface of the air pipe is on the same horizontal plane with the upper surface of the sliding plate.
Preferably, the number of the sealing blocks is two, the two sealing blocks are symmetrically distributed by taking the air pipe as the center, the length of each sealing block is greater than the radius of the air pipe, and the width of each sealing block is greater than the diameter of the air pipe.
Preferably, the inner wall of the support shell is fixedly connected with a baffle ring, the bottom of the baffle ring is bonded with an anti-skid pad, and the bottom of the anti-skid pad and the bottom of the support shell are on the same horizontal plane.
Preferably, the left side and the right side of the rubber sucker are both provided with positioning grooves, the left side and the right side of the threaded ring are both provided with positioning holes, and the inner walls of the positioning grooves and the inner walls of the positioning holes are both fixedly connected with positioning blocks.
Preferably, the first threaded column and the second threaded column have opposite thread directions, and the thread pitches of the first threaded column and the second threaded column are equal.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention arranges the sealing plate, the air pipe, the fixing mechanism, the sliding plate, the spring, the baffle plate, the first threaded column, the second threaded column, the first hinged block, the hinged rod, the second hinged block, the sealing block, the support column and the connecting block, after the microscope is placed on the operating platform, the handle block is rotated, the distance between the left sealing block and the right sealing block is reduced through the first threaded column and the second threaded column, after the left sealing block and the right sealing block are contacted, the top of the air pipe is sealed through the sealing block, then the handle block is continuously rotated, the rubber sucker is moved downwards through the first hinged block, the hinged rod and the second hinged block to extrude the air in the rubber sucker, at the moment, the rubber sucker is sucked on the operating platform, and the supporting shell is fixed through the rubber sucker, thereby preventing a user from mistakenly touching the microscope body to topple the microscope body in the use process, easily causing damage to the lens or parts on the microscope body.
(2) The air pipe and the rubber sucker are connected together in a threaded manner by arranging the threaded ring, the air pipe and the rubber sucker can be separated by rotating the rubber sucker when the rubber sucker is disassembled, the threaded ring is screwed on the air pipe when the rubber sucker is installed, the air pipe and the rubber sucker are fixed together, the disassembly and the assembly are convenient, a user can conveniently replace the damaged rubber sucker, and meanwhile, the friction force between the supporting shell and the operating platform is increased by arranging the retaining ring and the anti-slip pad, so that the stability of the microscope is improved.
(3) The microscope body with the supporting plate is placed on the supporting shell, the cushion block is aligned with the supporting block, then the microscope body is fixed on the supporting shell through the fixing screws, the microscope body is convenient to disassemble and assemble, a user can replace the damaged microscope body conveniently, the supporting shell can be used for multiple times, the cost is reduced, meanwhile, the cushion block is inserted into the limiting groove when the microscope body is installed, the limiting groove plays a role in limiting the cushion block, and the user can align the cushion block with the fixing block conveniently.
(4) According to the invention, the positioning groove, the positioning hole and the positioning block are arranged, and the positioning block plays a limiting role on the threaded ring, so that the threaded ring cannot be separated from the rubber sucker, and the phenomenon that when the rubber sucker is installed, if the torsion of a user on the rubber sucker is too large, the joint between the threaded ring and the rubber sucker is easy to crack is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is a cross-sectional view taken at C-C of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at D-D of FIG. 1 in accordance with the present invention;
FIG. 6 is a bottom view of the structure of the present invention;
FIG. 7 is a top view of the support housing of the present invention;
FIG. 8 is a top view of the slider of the present invention;
FIG. 9 is a top view of a baffle of the present invention;
fig. 10 is a top view of the limiting plate of the invention.
In the figure: 1. a support housing; 2. a fixed block; 3. a set screw; 4. cushion blocks; 5. a support plate; 6. a microscope body; 7. a sealing plate; 8. an air tube; 9. a fixing mechanism; 91. a rubber suction cup; 92. a threaded ring; 93. a first air hole; 10. a slide plate; 11. an air tank; 12. a spring; 13. a baffle plate; 14. a through hole; 15. a first threaded post; 16. a second threaded post; 17. a handle block; 18. a first hinge block; 19. a slide hole; 20. a hinged lever; 21. a second hinge block; 22. a sealing block; 23. a support pillar; 24. connecting blocks; 25. a second air hole; 26. a first dust screen; 27. a second dust screen; 28. a limiting plate; 29. a limiting groove; 30. a baffle ring; 31. a non-slip mat; 32. positioning a groove; 33. positioning holes; 34. and (5) positioning the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 10, a microscope for gene drug research and development comprises a support housing 1, fixing blocks 2 fixedly connected to the left and right sides of the inner wall of the support housing 1, fixing screws 3 threadedly connected to the inner wall of the fixing blocks 2, spacers 4 slidably connected to the surfaces of the fixing screws 3, a support plate 5 fixedly connected to the surfaces of the spacers 4, fix backup pad 5 on support housing 1 through set screw 3, the bottom of backup pad 5 and support housing 1's upper surface contact, support housing 1's inner wall fixedly connected with limiting plate 28, limiting plate 28 is located between fixed block 2 and the backup pad 5, spacing groove 29 has all been seted up to the left and right sides of limiting plate 28, the inner wall of spacing groove 29 and the sliding surface connection of cushion 4, spacing groove 29 plays limiting displacement to cushion 4, the person of facilitating the use aligns cushion 4 with fixed block 2, the last fixed surface of backup pad 5 is connected with microscope body 6.
Inner wall fixedly connected with closing plate 7 of supporting shell 1, inner wall sliding connection of closing plate 7 has trachea 8, trachea 8's surperficial threaded connection has fixed establishment 9, fixed establishment 9 is located closing plate 7's below, trachea 8's fixed surface is connected with slide 10, trachea 8's center is on same plumb line with supporting shell 1's center, trachea 8's upper surface and slide 10's upper surface are on same horizontal plane, slide 10's surface and supporting shell 1's inner wall sliding connection, air groove 11 has all been seted up to slide 10's the left and right sides, air from top to bottom of slide 10 passes through air groove 11 and circulates, slide 10's last fixed surface is connected with spring 12, spring 12's last fixed surface is connected with baffle 13, spring 12 plays the pulling effect to slide 10, the surface of baffle 13 and supporting shell 1's inner wall fixed connection.
The left side and the right side of the supporting shell 1 are both provided with through holes 14, the inner wall of the through hole 14 at the left side is connected with a first threaded column 15 in a sliding manner, the inner wall of the through hole 14 at the right side is connected with a second threaded column 16 in a sliding manner, the right side of the first threaded column 15 is fixedly connected with the left side of the second threaded column 16, the left side of the first threaded column 15 and the right side of the second threaded column 16 are both connected with a handle block 17 in a fixed manner, the distance between the left handle block 17 and the right handle block 17 is equal to the length of the supporting shell 1, one side of the handle block 17 close to the supporting shell 1 is connected with the surface of the supporting shell 1 in a sliding manner, the surface of the first threaded column 15 and the surface of the second threaded column 16 are both connected with a first hinge block 18 in a threaded manner, the thread directions of the first threaded column 15 and the second threaded column 16 are opposite, the thread pitches of the first threaded column 15 and the second threaded column 16 are equal, the, the upper surface of the baffle 13 is provided with a sliding hole 19, the front side and the rear side of the first hinged block 18 are both connected with the inner wall of the sliding hole 19 in a sliding manner, the sliding hole 19 has a limiting effect on the first hinged block 18 to enable the first hinged block 18 to only move left and right, the inner wall of the first hinged block 18 is hinged with a hinged rod 20 through a pin shaft, the bottom of the hinged rod 20 is hinged with a second hinged block 21 through a pin shaft, the bottom of the second hinged block 21 is fixedly connected with a sealing block 22, the bottom of the sealing block 22 is connected with the upper surface of the sliding plate 10 in a sliding manner, the number of the sealing blocks 22 is two, the two sealing blocks 22 are symmetrically distributed by taking the air pipe 8 as the center, the length of the sealing block 22 is larger than the radius of the air pipe 8, the width of the sealing block 22 is larger than the diameter of the air pipe 8, the center of the sealing block 22 and the center of the air pipe 8 are in the same vertical, the left and right sides of support column 23 and the equal fixedly connected with connecting block 24 of upper surface of slide 10, support column 23 plays the guide effect to sealed piece 22, make sealed piece 22 only can remove about, second gas pocket 25 has all been seted up to the left and right sides of support housing 1, second gas pocket 25 is located between closing plate 7 and the baffle 13, the inside and outside air of support housing 1 circulates through second gas pocket 25, the first dust screen 26 of the equal fixedly connected with in the left and right sides of support housing 1, the center of first dust screen 26 and the center of second gas pocket 25 are on same water flat line, first dust screen 26 plays the effect of blockking to the dust in the air, prevent that the dust from getting into inside support housing 1 through second gas pocket 25.
The fixing mechanism 9 comprises a rubber sucker 91, a threaded ring 92 is fixedly connected to the surface of the rubber sucker 91, the inner wall of the threaded ring 92 is in threaded connection with the surface of the air pipe 8, the air pipe 8 is in threaded connection with the rubber sucker 91 by arranging the threaded ring 92, when the rubber sucker 91 is disassembled, the air pipe 8 can be separated from the rubber sucker 91 by rotating the rubber sucker 91, when the rubber sucker 91 is installed, the threaded ring 92 is screwed on the air pipe 8, the air pipe 8 and the rubber sucker 91 are fixed together, the disassembly and the assembly are convenient, a user can conveniently replace the damaged rubber sucker 91, a first air hole 93 is formed in the top of the inner wall of the rubber sucker 91, air inside and outside the rubber sucker 91 circulates through the first air hole 93, the center of the first air hole 93 and the center of the air pipe 8 are on the same vertical line, a second dust screen 27 is fixedly connected to the bottom of the air pipe 8, and the second dust screen 27 has a blocking, prevent dust from entering the support housing 1 through the air pipe 8 and accumulating on the sliding plate 10, the surface of the second dust screen 27 is connected with the inner wall of the threaded ring 92 in a sliding manner, the left and right sides of the rubber suction cup 91 are both provided with the positioning grooves 32, the left and right sides of the threaded ring 92 are both provided with the positioning holes 33, the inner wall of the positioning groove 32 and the inner wall of the positioning hole 33 are both fixedly connected with the positioning block 34, by arranging the positioning grooves 32, the positioning holes 33 and the positioning block 34, the positioning block 34 plays a limiting role on the threaded ring 92, so that the threaded ring 92 cannot be separated from the rubber suction cup 91, and when the rubber suction cup 91 is installed, if the torsion of a user on the rubber suction cup 91 is too large, the joint between the threaded ring 92 and the rubber suction cup 91 is easy to crack, the inner wall of the support housing 1 is fixedly connected with the baffle ring 30, the bottom of the anti-, through setting up fender ring 30 and slipmat 31, increase the frictional force between support housing 1 and the operation platform, and then improve this microscope stability.
In the invention, when a user uses the device, the microscope is placed on an operation platform, the handle block 17 is rotated, the distance between the left sealing block and the right sealing block 22 is reduced through the first threaded column 15 and the second threaded column 16, after the left sealing block and the right sealing block 22 are contacted, the top of the air pipe 8 is sealed through the sealing block 22, then the handle block 17 is continuously rotated, the rubber suction cup 91 is moved downwards through the first hinge block 18, the hinge rod 20 and the second hinge block 21, the air in the rubber suction cup 91 is extruded, at the moment, the rubber suction cup 91 is sucked on the operation platform, the support shell 1 is fixed through the rubber suction cup 91, when the microscope needs to be taken, the handle block 17 is reversely rotated, the pulling force of the spring 12 on the sliding plate 10 is smaller than the suction force of the rubber suction cup 91, at the moment, the distance between the left sealing block and the right sealing block 22 is increased through the first threaded column 15 and the second threaded column 16, open trachea 8, this moment, outside air loops through second gas pocket 25 and first gas pocket 93 and gets into inside rubber suction cup 91, makes rubber suction cup 91 disappear to operation platform's suction, and then separates this microscope and operation platform.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (9)

1. A microscope for gene drug research comprises a supporting shell (1), and is characterized in that the left side and the right side of the inner wall of the supporting shell (1) are fixedly connected with fixing blocks (2), the inner wall of each fixing block (2) is in threaded connection with a fixing screw (3), the surface of each fixing screw (3) is in sliding connection with a cushion block (4), the surface of each cushion block (4) is fixedly connected with a supporting plate (5), the bottom of each supporting plate (5) is in contact with the upper surface of the supporting shell (1), and the upper surface of each supporting plate (5) is fixedly connected with a microscope body (6);
the inner wall of the supporting shell (1) is fixedly connected with a sealing plate (7), the inner wall of the sealing plate (7) is connected with an air pipe (8) in a sliding mode, the surface of the air pipe (8) is connected with a fixing mechanism (9) in a threaded mode, the fixing mechanism (9) is located below the sealing plate (7), the surface of the air pipe (8) is fixedly connected with a sliding plate (10), the surface of the sliding plate (10) is connected with the inner wall of the supporting shell (1) in a sliding mode, air grooves (11) are formed in the left side and the right side of the sliding plate (10), a spring (12) is fixedly connected to the upper surface of the sliding plate (10), a baffle (13) is fixedly connected to the upper surface of the spring (12), and the surface of the baffle (13) is fixedly connected;
the support structure is characterized in that through holes (14) are formed in the left side and the right side of the support shell (1), a first threaded column (15) is connected to the inner wall of the through hole (14) in a sliding mode, a second threaded column (16) is connected to the inner wall of the through hole (14) in a sliding mode, the right side of the first threaded column (15) is fixedly connected with the left side of the second threaded column (16), a handle block (17) is fixedly connected to the left side of the first threaded column (15) and the right side of the second threaded column (16), a first hinge block (18) is connected to the surface of the first threaded column (15) and the surface of the second threaded column (16) in a threaded mode, a sliding hole (19) is formed in the upper surface of the baffle plate (13), the front side and the rear side of the first hinge block (18) are connected with the inner wall of the sliding hole (19) in a sliding mode, and a hinge rod (20) is hinged to, the bottom of articulated rod (20) has articulated piece (21) of second through round pin axle is articulated, the sealed piece (22) of bottom fixedly connected with of the articulated piece (21) of second, the bottom of sealed piece (22) and the upper surface sliding connection of slide (10), the inner wall sliding connection of sealed piece (22) has support column (23), the equal fixedly connected with connecting block (24) of upper surface of the left and right sides of support column (23) and slide (10), second gas pocket (25) have all been seted up to the left and right sides of support housing (1), second gas pocket (25) are located between closing plate (7) and baffle (13), the equal fixedly connected with first dust screen (26) of the left and right sides of support housing (1), the center of first dust screen (26) and the center of second gas pocket (25) are on same water flat line.
2. The microscope for gene drug development according to claim 1, wherein the fixing mechanism (9) comprises a rubber suction cup (91), a threaded ring (92) is fixedly connected to the surface of the rubber suction cup (91), the inner wall of the threaded ring (92) is in threaded connection with the surface of the trachea (8), a first air hole (93) is formed in the top of the inner wall of the rubber suction cup (91), and the center of the first air hole (93) and the center of the trachea (8) are on the same vertical line.
3. The microscope for developing gene drugs, according to claim 2, wherein the bottom of the trachea (8) is fixedly connected with a second dust screen (27), and the surface of the second dust screen (27) is slidably connected with the inner wall of the threaded ring (92).
4. The microscope for gene drug development according to claim 1, wherein a limiting plate (28) is fixedly connected to the inner wall of the support housing (1), the limiting plate (28) is located between the fixing block (2) and the support plate (5), limiting grooves (29) are formed in the left side and the right side of the limiting plate (28), and the inner wall of each limiting groove (29) is in sliding connection with the surface of the corresponding cushion block (4).
5. A microscope for gene drug development according to claim 1, wherein the center of the air tube (8) is on the same vertical line as the center of the support housing (1), and the upper surface of the air tube (8) is on the same horizontal plane as the upper surface of the slide plate (10).
6. The microscope for gene drug development according to claim 1, wherein the number of the sealing blocks (22) is two, the two sealing blocks (22) are symmetrically distributed around the trachea (8), the length of the sealing blocks (22) is greater than the radius of the trachea (8), and the width of the sealing blocks (22) is greater than the diameter of the trachea (8).
7. The microscope for gene drug development according to claim 1, wherein a retaining ring (30) is fixedly connected to the inner wall of the support housing (1), a non-slip pad (31) is adhered to the bottom of the retaining ring (30), and the bottom of the non-slip pad (31) and the bottom of the support housing (1) are on the same horizontal plane.
8. The microscope as claimed in claim 2, wherein the rubber suction cup (91) has positioning grooves (32) formed on both left and right sides thereof, the threaded ring (92) has positioning holes (33) formed on both left and right sides thereof, and the positioning blocks (34) are fixedly connected to inner walls of the positioning grooves (32) and inner walls of the positioning holes (33).
9. The microscope of claim 1, wherein the first threaded post (15) and the second threaded post (16) have opposite thread directions, and the thread pitch of the first threaded post (15) is equal to that of the second threaded post (16).
CN201911197291.7A 2019-11-29 2019-11-29 Microscope for gene medicine research and development Pending CN110658619A (en)

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CN208351119U (en) * 2018-04-16 2019-01-08 陈军 A kind of pathology department's assay device
CN109432621A (en) * 2018-11-05 2019-03-08 吴昊璋 A kind of security against fire air cushion and its application method
CN209373244U (en) * 2018-12-14 2019-09-10 天津邦纳科技有限公司 A kind of rotatable shatter-resistant microscope of objective table
CN209490745U (en) * 2019-09-06 2019-10-15 广州中安基因科技有限公司 A kind of cosmetics processing solution dispersal device

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Application publication date: 20200107