CN214150763U - Automatic sampler sampling needle for strong acid solution analyzer - Google Patents
Automatic sampler sampling needle for strong acid solution analyzer Download PDFInfo
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- CN214150763U CN214150763U CN202023269558.XU CN202023269558U CN214150763U CN 214150763 U CN214150763 U CN 214150763U CN 202023269558 U CN202023269558 U CN 202023269558U CN 214150763 U CN214150763 U CN 214150763U
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- needle
- barrel
- rotating head
- sampling needle
- perspective window
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Abstract
The utility model discloses an automatic sample injector sampling needle for strong acid solution analytical instrument, including push rod, rotating head, imbibition needle tubing, barrel, sealing washer, perspective window, syringe needle, plastics protective sheath, the push rod passes the rotating head with the barrel, and with imbibition needle tubing connects, the barrel with the perspective window is connected, be equipped with in the barrel the sealing washer, the syringe needle with the imbibition needle tubing switch-on, and locate the perspective window below, plastics protective sheath is in on the needle head, adopt cock formula sampling needle, can prevent blockking up in the use, locate the sampling needle tubing with the sealing washer internal, the barrel is connected with the rotating head, changes sealing washer convenient and fast, and plastics protective sheath can protect the syringe needle not buckled simultaneously.
Description
Technical Field
The utility model relates to an autosampler sampling needle field for strong acid solution analytical instrument, concretely relates to autosampler sampling needle for strong acid solution analytical instrument.
Background
At present, the phenomenon of blockage easily occurs in the use process of an automatic sample injector sampling needle of a strong acid solution analysis instrument in the market, the air tightness is sealed by a rubber gasket at the needle point, after the use time is long, the air tightness is influenced by the easily-damaged or aged gasket, the capacity precision is influenced, the gasket must be replaced, and the gasket is inconvenient to disassemble.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies in the prior art, it would be desirable to provide an autosampler sampling needle for use in a strong acidic solution analysis instrument.
According to the technical scheme that this application embodiment provided for automatic sample injector sampling needle of strong acid solution analytical instrument, including push rod, rotating head, imbibition needle tubing, barrel, sealing washer, perspective window, syringe needle, plastics protective sheath, the push rod passes the rotating head with the barrel, and with the imbibition needle tubing is connected, the barrel with the perspective window is connected, be equipped with in the barrel the sealing washer, the syringe needle with the imbibition needle tubing switch-on is located the perspective window below, plastics protective sheath is in on the syringe needle.
The utility model discloses in, the push rod adopts 304 stainless steel materials, is solid construction.
The utility model discloses in, the rotating head center is equipped with the through-hole, the push rod passes the through-hole.
The utility model discloses in, the rotating head internal surface be equipped with barrel matched with screw thread, the rotating head passes through the screw thread with the barrel is connected.
The utility model discloses in, the barrel surface is equipped with the spring, the spring is located the rotating head with between the sealing washer.
The utility model discloses in, the sealing washer adopts the tetrafluoroethylene material.
The utility model discloses in, the perspective window adopts the transparent glass material, and the surface is equipped with the scale interval.
In the utility model, the liquid-absorbing needle tube and the needle head are made of pure polytetrafluoroethylene materials.
To sum up, the beneficial effect of this application: adopt cock formula sampling needle, can prevent blockking up in the use, locate the sampling syringe with the sealing washer internal, the barrel is connected with the rotating head, changes sealing washer convenient and fast, and the plastics protective sheath can protect the syringe needle not buckled simultaneously.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of the present invention.
Reference numbers in the figures: a push rod-1; a rotating head-2; a liquid suction needle tube-3; a cylinder body-4; a sealing ring-5; a perspective window-6; a needle head-7; plastic protective sleeve-8.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
A autosampler sampling needle for strong acid solution analytical instrument, including push rod 1, rotating head 2, imbibition needle tubing 3, barrel 4, sealing washer 5, perspective window 6, syringe needle 7, plastics protective sheath 8, push rod 1 passes the rotating head 2 with barrel 4, and with imbibition needle tubing 3 is connected, barrel 4 with perspective window 6 is connected, be equipped with in barrel 4 sealing washer 5, syringe needle 7 with 3 switch-ons of imbibition needle tubing, and locate 6 below the perspective window, plastics protective sheath 8 covers are in on the syringe needle 7. The push rod 1 is made of 304 stainless steel and is of a solid structure. The center of the rotating head 2 is provided with a through hole, and the push rod 1 penetrates through the through hole. The inner surface of the rotating head 2 is provided with threads matched with the barrel body 4, and the rotating head 2 is connected with the barrel body 4 through the threads. The surface of the cylinder 4 is provided with a spring which is positioned between the rotating head 2 and the sealing ring 5. The sealing ring 5 is made of tetrafluoroethylene. The perspective window 6 is made of transparent glass, and the surface of the perspective window is provided with scale values. The liquid suction needle tube 3 and the needle head 7 are made of pure polytetrafluoroethylene materials.
Adopt cock formula sampling needle, can prevent blockking up in the use, locate the sampling syringe with the sealing washer internal, the barrel is connected with the rotating head, changes sealing washer convenient and fast, and the plastics protective sheath can protect the syringe needle not buckled simultaneously.
The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. A autosampler sampling needle for strong acid solution analytical instrument, including push rod (1), rotating head (2), imbibition needle tubing (3), barrel (4), sealing washer (5), perspective window (6), syringe needle (7), plastics protective sheath (8), characterized by: push rod (1) passes rotating head (2) with barrel (4), and with imbibition needle tubing (3) are connected, barrel (4) with perspective window (6) are connected, be equipped with in barrel (4) sealing washer (5), syringe needle (7) with imbibition needle tubing (3) switch-on, and locate perspective window (6) below, plastics protective sheath (8) cover is in syringe needle (7).
2. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the push rod (1) is made of 304 stainless steel and is of a solid structure.
3. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the center of the rotating head (2) is provided with a through hole, and the push rod (1) penetrates through the through hole.
4. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the inner surface of the rotating head (2) is provided with threads matched with the barrel body (4), and the rotating head (2) is connected with the barrel body (4) through the threads.
5. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the surface of the barrel body (4) is provided with a spring, and the spring is positioned between the rotating head (2) and the sealing ring (5).
6. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the sealing ring (5) is made of tetrafluoroethylene material.
7. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the perspective window (6) is made of transparent glass, and the surface of the perspective window is provided with scale values.
8. The autosampler sampling needle for strongly acidic solution analyzing instrument according to claim 1, characterized in that: the liquid suction needle tube (3) and the needle head (7) are made of pure polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269558.XU CN214150763U (en) | 2020-12-30 | 2020-12-30 | Automatic sampler sampling needle for strong acid solution analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269558.XU CN214150763U (en) | 2020-12-30 | 2020-12-30 | Automatic sampler sampling needle for strong acid solution analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214150763U true CN214150763U (en) | 2021-09-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269558.XU Active CN214150763U (en) | 2020-12-30 | 2020-12-30 | Automatic sampler sampling needle for strong acid solution analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214150763U (en) |
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2020
- 2020-12-30 CN CN202023269558.XU patent/CN214150763U/en active Active
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