CN215940495U - Special smearing rod for target plate of mass spectrometer - Google Patents
Special smearing rod for target plate of mass spectrometer Download PDFInfo
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- CN215940495U CN215940495U CN202122403952.6U CN202122403952U CN215940495U CN 215940495 U CN215940495 U CN 215940495U CN 202122403952 U CN202122403952 U CN 202122403952U CN 215940495 U CN215940495 U CN 215940495U
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Abstract
The utility model discloses a special smearing rod for a mass spectrometer target plate, and belongs to the field of medical instruments. The pressing part comprises a pressing rod, an ejector rod and a spring, wherein a circular limiting plate is arranged at the lower end of the pressing rod, the upper end of the ejector rod is connected with the limiting plate, and the ejector rod is sleeved on the outer side of the ejector rod; the barrel includes barrel and lower barrel, it can dismantle with lower barrel to go up the barrel and be connected, the both ends of going up barrel and lower barrel all are equipped with the opening, it is less than to go up barrel upper end open-ended diameter go up the diameter of barrel inner chamber, the diameter of limiting plate is greater than go up barrel upper end open-ended diameter, the limiting plate is located go up the inner chamber of barrel, it is equipped with the annular slab to go up the barrel inner chamber, the spring is located go up between the opening of barrel and the annular slab. The utility model is convenient for coating different hole sites of the target plate for multiple times.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a special smearing rod for a mass spectrometer target plate.
Background
MALDI-TOF technology is a new type soft ionization mass spectrum technology developed in recent years, and can be used for rapid identification of clinically separated bacteria, anaerobic bacteria, fastidious bacteria, yeast-like fungi, filamentous fungi and mycobacteria. An important operational link of the technology is that 1 mu L of disposable plastic inoculating loop is used to pick out bacterial colony growing on the culture medium and evenly coat the bacterial colony on the round hole of the target plate. When colonies are picked, the picked bacteria quantity is unstable, and the identification result is influenced by too much or too little bacteria quantity when the annular structure of the currently used 1 mu L disposable plastic inoculating loop is used; the 1 mu L disposable plastic inoculating loop has a handle of a thin rod-shaped structure, and has poor operation flexibility when the round hole of the target plate is smeared by holding the inoculating loop by hand, so that the smearing is not uniform easily to influence the identification result; the inoculating loop is a disposable consumable and can only be used once, different target plate hole sites coated by the inoculating loop need to be replaced, and time and resource waste is caused by replacing the inoculating loop.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special smearing rod for a mass spectrometer target plate, which is convenient for smearing different hole sites of the target plate for multiple times.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a stick is paintd in special use of mass spectrometer target plate which characterized in that: comprises that
The pressing part comprises a pressing rod, a top rod and a first spring, a circular limiting plate is arranged at the lower end of the pressing rod, the upper end of the top rod is connected with the limiting plate, and the first spring is sleeved on the outer side of the top rod;
the barrel comprises an upper barrel body and a lower barrel body, the upper barrel body is detachably connected with the lower barrel body, openings are formed in two ends of the upper barrel body and two ends of the lower barrel body, the diameter of the opening in the upper end of the upper barrel body is smaller than that of the inner cavity of the upper barrel body, the diameter of the limiting plate is larger than that of the opening in the upper end of the upper barrel body, the limiting plate is located in the inner cavity of the upper barrel body, an annular plate is arranged in the inner cavity of the upper barrel body, the outer periphery of the annular plate is fixedly connected with the inner wall of the upper barrel body, the inner circle diameter of the annular plate is consistent with the outer diameter of the ejector rod, and the first spring is arranged between the opening of the upper barrel body and the annular plate;
the smearing parts are stacked with the inner cavity of the lower barrel body, each smearing part comprises a sleeve and a pen point, the pen point is conical, the circular surface of the pen point is connected with the lower end of the sleeve, the upper end of the sleeve is provided with a conical hole with the size consistent with that of the pen point, and the outer side wall of the sleeve is provided with a positioning hole; and
and the fixing device is used for fixing the smearing part at the bottom end.
Further, the fixing device comprises a handle, a support rod, a limiting rod and a second spring, a through hole is arranged on the side wall of the bottom end of the lower barrel, the limiting rod penetrates through the through hole, the opening of the through hole, which is positioned on the inner side, is larger than the opening of the through hole, which is positioned on the outer side, the inner diameter of the through hole is the same as the diameter of the opening on the inner side, the limiting rod comprises a first rod body and a second rod body, the first rod body is connected with the second rod body, the diameter of the first rod body is the same as that of the opening on the inner side of the through hole, the diameter of the second rod body is the same as that of the opening on the outer side, the second rod body is positioned at one end, which is close to the opening on the outer side, of the first rod body extends out of the lower barrel, the second spring is arranged at one end, which is close to the opening on the outer side, the two ends of the second spring are respectively connected with the inner wall of the lower barrel and the first rod body, the support rod is arranged outside the lower barrel and positioned above the opening, the lower extreme of handle with the second body of rod is kept away from the one end of the first body of rod and is articulated, the middle part of handle with the bracing piece is articulated.
Further, the sleeve pipe is equipped with the location sand grip for one side in spacing hole, the inboard inner wall relative with the through-hole of barrel is equipped with vertical constant head tank down, the sleeve pipe passes through sand grip and constant head tank sliding connection.
Furthermore, a cuboid pressing cap is arranged at the top of the pressing rod.
Furthermore, the upper cylinder and the lower cylinder form a tapered cylinder structure.
Furthermore, the press rod, the ejector rod, the upper barrel body and the lower barrel body are all made of plastics.
Furthermore, the outer sides of the upper cylinder body and the lower cylinder body are provided with a sanding sleeve.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
the utility model can put bacterial colonies on the round hole of the target plate, and after the smearing rod smears the bacterial colonies, the smearing part can be separated from the lower cylinder body through the fixing device. So operate repeatedly, can convenient and fast paint a plurality of target plate round holes, improve efficiency and the quality of paining greatly, low cost has very wide applicable context.
Drawings
FIG. 1 is a schematic structural diagram of a coating rod special for a mass spectrometer target plate;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of the lower cylinder;
FIG. 4 is a schematic view of the structure of the applying part;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is an enlarged view of A in FIG. 2;
fig. 7 is an enlarged view of B in fig. 6.
The main reference symbols in the drawings are as follows:
in the attached figure, 1-pressing part, 1.1-pressing rod, 1.2-ejector rod, 1.3-first spring, 2-cylinder, 2.1-upper cylinder, 2.2-lower cylinder, 3-fixing device, 3.1-handle, 3.2-second spring, 3.3-first rod, 3.4-supporting rod, 3.5-second rod, 4-smearing part, 4.1-sleeve, 4.2-pen point, 4.3-taper hole, 4.4-positioning convex strip, 5-annular plate and 6-positioning groove.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 7, a coating rod dedicated for a mass spectrometer target plate comprises a pressing portion 1, a cylinder, a plurality of coating portions 4, and a fixing device 3.
The pressing part 1 comprises a pressing rod 1.1, an ejector rod 1.2 and a first spring, a circular limiting plate is arranged at the lower end of the pressing rod 1.1, the upper end of the ejector rod 1.2 is connected with the limiting plate, and the outer side of the ejector rod 1.2 is sleeved with the first spring.
The barrel includes barrel 2.1 and lower barrel 2.2, it can dismantle with lower barrel 2.2 and be connected to go up barrel 2.1, it all is equipped with the opening with lower barrel 2.2's both ends to go up barrel 2.1, it is less than to go up barrel 2.1 upper end open-ended diameter go up the diameter of barrel 2.1 inner chamber, the diameter of limiting plate is greater than go up barrel 2.1 upper end open-ended diameter, the limiting plate is located go up barrel 2.1's inner chamber, it is equipped with annular plate 5 to go up barrel 2.1 inner chamber, the outer peripheral edges of annular plate with go up barrel 2.1's inner wall fixed connection, the interior circle diameter of annular plate is unanimous with ejector pin 1.2's external diameter, first spring is located between last barrel 2.1's opening and the annular plate.
A plurality of 4 stacks of portions of paining with the inner chamber of barrel 2.2 down, every it includes sleeve pipe 4.1 and nib 4.2 to paint portion 4 it, nib 4.2 is the taper shape, the circular face of nib 4.2 with the lower extreme of sleeve pipe 4.1 is connected, the upper end of sleeve pipe 4.1 is equipped with the bell mouth 4.3 unanimous with nib 4.2 size, the lateral wall of sleeve pipe 4.1 is equipped with the locating hole. The fixing device 3 is used for fixing the smearing part 4 at the bottom end.
The fixing device 3 comprises a handle 3.1, a support rod 3.4, a limiting rod and a second spring, a through hole is arranged on the side wall of the bottom end of the lower barrel 2.2, the limiting rod is arranged in the through hole in a penetrating manner, the opening of the through hole, which is positioned at the inner side, is larger than the opening of the through hole, which is positioned at the outer side, the inner diameter of the through hole is the same as the diameter of the opening at the inner side, the limiting rod comprises a first rod body 3.3 and a second rod body 3.5, the first rod body 3.3 is connected with the second rod body 3.5, the diameter of the first rod body 3.3 is the same as the diameter of the opening at the inner side of the through hole, the diameter of the second rod body 3.5 is the same as the opening at the outer side, the second rod body 3.5 is positioned at one end, which is close to the opening at the outer side, of the first rod body 3.3, the second rod body 3.5 extends out of the lower barrel 2.2, a second spring is arranged at one end, the end, which is close to the opening at the outer side, and the two ends of the second spring are respectively connected with the inner wall of the lower barrel 2.2 and the first rod body 3.3.3, the barrel 2.2 outside and being located down is located to bracing piece 3.4 the open-ended top in the outside, the lower extreme of handle 3.1 with the second body of rod 3.5 keeps away from the one end of the first body of rod 3.3 articulated, the middle part of handle 3.1 with bracing piece 3.4 is articulated. During the use, can injectd daubing portion 4 with the spacing hole of sleeve pipe 4.1 with first body of rod 3.3 card through the second spring action, can loosen the dismantlement with sleeve pipe 4.1 through handle 3.1 pulling first body of rod 3.3.
Sleeve pipe 4.1 is equipped with location sand grip 4.4 for one side of spacing hole, the inboard inner wall relative with the through-hole of barrel is equipped with vertical constant head tank 6 down, sleeve pipe 4.1 passes through sand grip and constant head tank sliding connection to the convenience is blocked sleeve pipe 4.1 on first body of rod 3.3. The top of the pressing rod 1.1 is provided with a cuboid pressing cap, so that pressing is convenient. The upper barrel body 2.1 and the lower barrel body 2.2 form a conical barrel body structure, and the press rod 1.1, the ejector rod 1.2, the upper barrel body 2.1 and the lower barrel body 2.2 are all made of plastics. The outer sides of the upper barrel body 2.1 and the lower barrel body 2.2 are provided with sanding sleeves, so that workers can hold the sanding sleeves conveniently.
The working principle is as follows: the utility model can put bacterial colonies on the round hole of the target plate, and after the smearing rod smears the bacterial colonies, the smearing part 4 can be separated from the lower cylinder body 2.2 through the fixing device 3. So operate repeatedly, can convenient and fast paint a plurality of target plate round holes, improve efficiency and the quality of paining greatly, low cost has very wide suitable scene and context
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a stick is paintd in special use of mass spectrometer target plate which characterized in that: comprises that
The pressing part comprises a pressing rod, a top rod and a first spring, a circular limiting plate is arranged at the lower end of the pressing rod, the upper end of the top rod is connected with the limiting plate, and the first spring is sleeved on the outer side of the top rod;
the barrel comprises an upper barrel body and a lower barrel body, the upper barrel body is detachably connected with the lower barrel body, openings are formed in two ends of the upper barrel body and two ends of the lower barrel body, the diameter of the opening in the upper end of the upper barrel body is smaller than that of the inner cavity of the upper barrel body, the diameter of the limiting plate is larger than that of the opening in the upper end of the upper barrel body, the limiting plate is located in the inner cavity of the upper barrel body, an annular plate is arranged in the inner cavity of the upper barrel body, the outer periphery of the annular plate is fixedly connected with the inner wall of the upper barrel body, the inner circle diameter of the annular plate is consistent with the outer diameter of the ejector rod, and the first spring is arranged between the opening of the upper barrel body and the annular plate;
the smearing parts are stacked with the inner cavity of the lower barrel body, each smearing part comprises a sleeve and a pen point, the pen point is conical, the circular surface of the pen point is connected with the lower end of the sleeve, the upper end of the sleeve is provided with a conical hole with the size consistent with that of the pen point, and the outer side wall of the sleeve is provided with a positioning hole; and
and the fixing device is used for fixing the smearing part at the bottom end.
2. The smearing rod special for the mass spectrometer target plate as recited in claim 1, wherein the smearing rod comprises: the fixing device comprises a handle, a supporting rod, a limiting rod and a second spring, a through hole is formed in the side wall of the bottom end of the lower barrel, the limiting rod penetrates through the through hole, the opening of the through hole, which is located on the inner side, is larger than the opening of the through hole, which is located on the outer side, the inner diameter of the through hole is the same as the diameter of the opening of the inner side, the limiting rod comprises a first rod body and a second rod body, the first rod body is connected with the second rod body, the diameter of the first rod body is consistent with the diameter of the opening of the inner side of the through hole, the diameter of the second rod body is consistent with the opening of the outer side, the second rod body is located at one end, which is close to the opening of the outer side, of the second rod body extends out of the lower barrel, the second spring is arranged at one end, which is close to the opening of the outer side, two ends of the second spring are respectively connected with the inner wall of the lower barrel and the first rod body, the supporting rod body is arranged outside the lower barrel and is located above the opening of the outer side, the lower extreme of handle with the second body of rod is kept away from the one end of the first body of rod and is articulated, the middle part of handle with the bracing piece is articulated.
3. The applicator stick of claim 2, wherein the applicator stick is adapted to be applied to a mass spectrometer target plate, and comprises: the sleeve pipe is equipped with the location sand grip for one side in spacing hole, the inboard inner wall relative with the through-hole of barrel is equipped with vertical constant head tank down, the sleeve pipe passes through sand grip and constant head tank sliding connection.
4. The smearing rod special for the mass spectrometer target plate as recited in claim 1, wherein the smearing rod comprises: the top of the pressing rod is provided with a cuboid pressing cap.
5. The smearing rod special for the mass spectrometer target plate as recited in claim 1, wherein the smearing rod comprises: the upper cylinder body and the lower cylinder body form a tapered cylinder body structure.
6. The smearing rod special for the mass spectrometer target plate as recited in claim 1, wherein the smearing rod comprises: the pressing rod, the ejector rod, the upper barrel body and the lower barrel body are all made of plastics.
7. The smearing rod special for the mass spectrometer target plate as recited in claim 1, wherein the smearing rod comprises: and the outer sides of the upper barrel body and the lower barrel body are provided with a grinding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122403952.6U CN215940495U (en) | 2021-09-30 | 2021-09-30 | Special smearing rod for target plate of mass spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122403952.6U CN215940495U (en) | 2021-09-30 | 2021-09-30 | Special smearing rod for target plate of mass spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215940495U true CN215940495U (en) | 2022-03-04 |
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ID=80425127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122403952.6U Active CN215940495U (en) | 2021-09-30 | 2021-09-30 | Special smearing rod for target plate of mass spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215940495U (en) |
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2021
- 2021-09-30 CN CN202122403952.6U patent/CN215940495U/en active Active
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