CN212318446U - Cover glass fixing device - Google Patents
Cover glass fixing device Download PDFInfo
- Publication number
- CN212318446U CN212318446U CN202020589104.1U CN202020589104U CN212318446U CN 212318446 U CN212318446 U CN 212318446U CN 202020589104 U CN202020589104 U CN 202020589104U CN 212318446 U CN212318446 U CN 212318446U
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- China
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- cover glass
- cylinder casing
- cylindrical shell
- piston
- fixing device
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Abstract
The utility model belongs to the technical field of biological assay utensil technique and specifically relates to a cover glass fixing device, including the cylinder casing, the inside air cavity of having seted up of cylinder casing, the inside gliding piston from top to bottom that is equipped with of cylinder casing, the outer circumference cover of piston is equipped with the sealing washer, cylinder casing bottom rigid coupling has the sucking disc, the gas pocket and the air cavity intercommunication that the cavity of sucking disc bottom was seted up through cylinder casing bottom, the piston top is connected with the screw thread post, the screw thread post sets up along air cavity length direction, screw thread post and cylinder casing top threaded connection, cylinder casing outer circumference is connected with the downward shell fragment of putting of slope, shell fragment tip rigid coupling has the preforming. This device simple structure adopts this kind of fixed mode, need not press, and it is also very convenient when taking off simultaneously, avoids fixing device to damage glass plate or cover glass, can avoid the too big damage cover glass of shell fragment pressure according to cover glass thickness adjustment preforming height simultaneously.
Description
Technical Field
The utility model relates to a biological assay utensil technical field especially relates to a cover glass fixing device.
Background
In the microbial experiment, when the structure of a biological membrane is measured, a cover glass needs to be placed in a glass plate for fixing, and if the cover glass cannot be fixed well, the experiment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defect of poor fixing effect of the cover glass in the prior art and providing a cover glass fixing device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a cover glass fixing device, includes the cylinder casing, the inside air cavity of having seted up of cylinder casing, the inside gliding piston from top to bottom that is equipped with of cylinder casing, the outer circumference cover of piston is equipped with the sealing washer, cylinder casing bottom rigid coupling has the sucking disc, the gas pocket and the air cavity intercommunication of seting up through cylinder casing bottom are passed through to the cavity of sucking disc bottom, the piston top is connected with the screw thread post, the screw thread post sets up along air cavity length direction, screw thread post and cylinder casing top threaded connection, the cylinder casing outer circumference is connected with the shell fragment that the slope was put downwards, shell fragment tip rigid coupling has the preforming.
The outer circumference of the cylindrical shell is provided with threads, the outer circumference of the cylindrical shell is in threaded connection with a nut piece, and the elastic sheet is fixedly connected with the nut piece.
The pressing sheet is perpendicular to the elastic sheet and is of a flat plate structure or a cylindrical structure.
The elastic sheet is a metal elastic sheet or a plastic elastic sheet.
The threaded column is fixedly connected or rotatably connected with the piston.
The utility model provides a pair of cover glass fixing device, beneficial effect lies in: this device simple structure adopts this kind of fixed mode, need not press, and it is also very convenient when taking off simultaneously, avoids fixing device to damage glass plate or cover glass, can avoid the too big damage cover glass of shell fragment pressure according to cover glass thickness adjustment preforming height simultaneously.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the structure of fig. 1.
In the figure: the device comprises a sucker 1, an air hole 2, an air cavity 3, a piston 4, a nut member 5, a cylindrical shell 6, a threaded column 7, an elastic sheet 8, a pressing sheet 9, a glass plate 10 and a cover glass 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a cover glass fixing device, comprising a cylindrical shell 6, an air cavity 3 is provided inside the cylindrical shell 6, a piston 4 capable of sliding up and down is provided inside the cylindrical shell 6, a sealing ring is sleeved on the outer circumference of the piston 4, a sucker 1 is fixedly connected to the bottom end of the cylindrical shell 6, the sucker is preferably made of hard material, a rubber ring or a silica gel ring is provided at the bottom of the sucker 1, the hard sucker 1 is sealed with a glass plate 10 through the rubber ring or the silica gel ring, the non-deformable rubber or silica gel can also be directly used as the sucker, the above arrangement is to prevent the shaking problem of the cylindrical shell 6 after the fixing device is fixed, a cavity chamber at the bottom of the sucker 1 is communicated with the air cavity 3 through an air hole 2 provided at the bottom end of the cylindrical shell 6, a threaded column 7 is connected to the top of the piston 4, the threaded, the outer circumference of the cylindrical shell 6 is connected with an elastic sheet 8 which is obliquely and downwardly placed, and the end part of the elastic sheet 8 is fixedly connected with a pressing sheet 9.
Referring to fig. 1, a cover glass 11 is placed on a glass plate 10, at least two cover glass fixing devices are taken, a cylindrical shell 6 is placed on the glass plate 10, a threaded column 7 is rotated to enable a piston 4 to ascend, gas at the bottom of a sucker 1 is sucked into a gas cavity 3 through the piston 4, the sucker 1 is adsorbed on the glass plate 10 under the action of air pressure, the cover glass 11 is pressed on the glass plate 10 through an elastic sheet 8 and a pressing sheet 9, when the cover glass fixing device is not needed to be used, the threaded column 7 rotates reversely, the gas in the gas cavity 3 is released to the bottom of the sucker 1 again, normal air pressure is recovered, the sucker is separated from the glass plate 10, the fixing mode is adopted, pressing is not needed, and meanwhile, the cover glass fixing device is convenient to take down, and the glass plate 10 or the cover glass 11 is prevented from being damaged by the fixing devices.
The outer circumference of the cylindrical shell 6 is provided with threads, the outer circumference of the cylindrical shell 6 is in threaded connection with a nut piece 5, the elastic sheet 8 is fixedly connected with the nut piece 5, the pressing sheet 9 is perpendicular to the elastic sheet 8, the pressing sheet 9 is of a flat structure or a cylindrical structure, the elastic sheet 8 is a metal elastic sheet or a plastic elastic sheet, and the threaded column 7 is fixedly connected or rotationally connected with the piston 4.
According to the thickness of the cover glass 11, the height of the pressing sheet 9 is adjusted, and then the cover glass 11 is fixed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (5)
1. A cover glass fixing device comprises a cylindrical shell (6), and is characterized in that an air cavity (3) is arranged in the cylindrical shell (6), a piston (4) capable of sliding up and down is arranged in the cylindrical shell (6), a sealing ring is sleeved on the outer circumference of the piston (4), the bottom end of the cylindrical shell (6) is fixedly connected with a sucker (1), a cavity at the bottom of the sucker (1) is communicated with the air cavity (3) through an air hole (2) formed at the bottom end of the cylindrical shell (6), the top of the piston (4) is connected with a threaded column (7), the threaded column (7) is arranged along the length direction of the air cavity (3), the screw thread post (7) is in threaded connection with the top end of the cylindrical shell (6), the outer circumference of the cylindrical shell (6) is connected with an elastic sheet (8) which is obliquely placed downwards, and the end part of the elastic sheet (8) is fixedly connected with a pressing sheet (9).
2. The cover glass fixing device according to claim 1, wherein the outer circumference of the cylindrical shell (6) is provided with a screw thread, the outer circumference of the cylindrical shell (6) is connected with a nut member (5) in a screw thread manner, and the elastic sheet (8) is fixedly connected with the nut member (5).
3. The cover glass fixing device according to claim 1, wherein the pressing sheet (9) is perpendicular to the elastic sheet (8), and the pressing sheet (9) has a flat structure or a cylindrical structure.
4. A cover glass holding device according to claim 3, wherein the elastic sheet (8) is a metal elastic sheet or a plastic elastic sheet.
5. A cover glass fixing device according to claim 1, characterized in that the threaded post (7) is fixedly or rotatably connected to the piston (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589104.1U CN212318446U (en) | 2020-04-17 | 2020-04-17 | Cover glass fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020589104.1U CN212318446U (en) | 2020-04-17 | 2020-04-17 | Cover glass fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212318446U true CN212318446U (en) | 2021-01-08 |
Family
ID=74032646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020589104.1U Active CN212318446U (en) | 2020-04-17 | 2020-04-17 | Cover glass fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212318446U (en) |
-
2020
- 2020-04-17 CN CN202020589104.1U patent/CN212318446U/en active Active
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| GR01 | Patent grant | ||
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