CN210198776U - Sampling needle - Google Patents
Sampling needle Download PDFInfo
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- CN210198776U CN210198776U CN201920876856.3U CN201920876856U CN210198776U CN 210198776 U CN210198776 U CN 210198776U CN 201920876856 U CN201920876856 U CN 201920876856U CN 210198776 U CN210198776 U CN 210198776U
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- needle
- sampling
- cover body
- needle tube
- tube
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Abstract
The utility model discloses a sampling needle, which comprises a hollow cylindrical cover body, wherein a needle body is arranged in the axis direction of the cover body, and a plurality of handles are arranged on the outer side of the cover body along the radial direction; the lower end of the cover body is provided with an opening, the center of the upper inner side wall of the cover body is provided with a flange, and the center of the flange is provided with a mounting hole along the axis; the needle body comprises a hollow needle tube, a solid needle point and a hollow feed inlet; the solid needle point is arranged at the upper end of the needle tube, and the feed inlet is arranged at the lower end of the needle tube; the needle tube is provided with a sampling port; one end of the inner hole of the needle tube is communicated with the sampling bottle through the sampling port, and the other end of the inner hole of the needle tube is communicated with the feed liquid through the feed port; the middle part of the needle tube penetrates through the mounting hole. The utility model discloses the needle point adopts the solid form, and on the needle tubing was located to the sample connection, can not cause the piece and take place to block up when the puncture bottleneck, improve utilization ratio, the lid can be fixed on equipment, reduces staff's work load, convenient to use.
Description
Technical Field
The utility model relates to a liquid sampling device field specifically is a sampling needle.
Background
In the chemical field, radioactive liquids are often sampled for testing to monitor quality. The sampling is usually realized by matching a sampling needle with a sampling bottle.
The problems that needle holes are blocked, fixed equipment is inconvenient to connect, and the existing sampling needle needs to be manually held all the time can occur, so that the conditions of inconvenient use and low utilization rate are caused.
SUMMERY OF THE UTILITY MODEL
For solving the defect of above-mentioned prior art, the utility model provides a sampling needle, the utility model discloses the needle point adopts the entity form, and on the needle tubing was located to the sample connection, can not cause the piece and take place to block up when the puncture bottleneck, and the high-usage rate, the lid can be fixed on equipment, reduces staff's work load, convenient to use.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: a sampling needle comprises a hollow cylindrical cover body, wherein a needle body is arranged in the axis direction of the cover body, and a plurality of handles are arranged on the outer side of the cover body along the radial direction;
the lower end of the cover body is provided with an opening, the center of the upper inner side wall of the cover body is provided with a flange, and the center of the flange is provided with a mounting hole along the axis;
the needle body comprises a hollow needle tube, a solid needle point and a hollow feed inlet; the solid needle point is arranged at the upper end of the needle tube, and the feed inlet is arranged at the lower end of the needle tube; the needle tube is provided with a sampling port; one end of the inner hole of the needle tube is communicated with the sampling bottle through the sampling port, and the other end of the inner hole of the needle tube is communicated with the feed liquid through the feed port;
the middle part of the needle tube penetrates through the mounting hole.
Further, the inner side of the cover body is circumferentially provided with internal threads.
Further, the outer side of the flange is provided with a flat pad.
Furthermore, the handles are four and symmetrically arranged.
Furthermore, the sampling port is arranged at the joint of the needle tube and the needle tip.
Further, the sampling port is circular.
Further, the distance between the center of the sampling opening and the top point of the needle tip is 4 mm.
Further, the inclined plane angle of the feed inlet is 60 degrees.
Further, the needle point is conical, and the conical included angle is 30 degrees.
To sum up, the utility model discloses following technological effect has been gained:
the utility model discloses set up the lid, be convenient for fix the sampling needle on equipment, set up the internal thread in the lid, be convenient for fix this sampling needle with the mode of screw thread, with the fixed installation and the dismantlement of being convenient for of mode of screw thread, set up the handle and make things convenient for the staff to hand. The needle point adopts the entity to set up, and needle point and needle tubing junction set up the thief hole, and complete effectual whole needle tubing of having utilized has improved the utilization ratio. The utility model discloses convenient to use, simple structure is applicable to and takes a sample to radioactive chemical liquid.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic view of the needle body of the present invention;
fig. 3 is a schematic view of the cover body of the present invention;
in the figure, 1, a needle body, 101, a needle tube, 102, a needle point, 103, a sampling port, 104, a feed inlet, 2, a cover body, 201, a flange, 202, a mounting hole, 203, internal threads, 3, a flat pad, 4 and a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a sampling needle is used for sampling radioactive and radioactive liquid in the chemical field.
As shown in figure 1, the sampling needle comprises a hollow cylindrical cover body 2, a needle body 1 is arranged on the axial direction of the cover body 2, and a plurality of handles 4 are arranged on the outer side of the cover body 2 along the radial direction. The cover body 2 is used for fixing the sampling needle on equipment, and the sampling needle is not required to be always held by a worker, so that the workload of the worker is reduced, the operation is convenient, and the sampling is convenient. The needle body 1 is used for sampling liquid, and the liquid enters from the lower end of the needle body 1 and is led into the sampling bottle from the upper end of the needle body 1. The handle 4 is used for fixing the cover body 2 and is convenient for a worker to hold and fix.
As shown in fig. 1, the lower end of the lid body 2 is open, a flange 201 is provided at the center of the upper inner side wall of the lid body 2, and a mounting hole 202 is provided at the center of the flange 201 along the axial center.
As shown in fig. 1, the needle body 1 comprises a hollow needle tube 101, a solid needle tip 102 and a hollow feed inlet 104; the solid needle tip 102 is arranged at the upper end of the needle tube 101, and the feed inlet 104 is arranged at the lower end of the needle tube 101; the needle tube 101 is provided with a sampling port 103; one end of the inner hole of the needle tube 101 is communicated with the sampling bottle through a sampling port 103, and the other end is communicated with the feed liquid through a feed port 104. The sampling liquid enters the inner bore of the needle 101 through the inlet port 104, and is introduced into the sampling bottle through the sampling port 103 along the needle 101.
As shown in FIG. 1, the middle of the needle tube 101 is inserted into the mounting hole 202. The axial center of the needle tube 101 is aligned with the axial centers of the mounting hole 202, the flange 201, and the lid body 2.
As shown in fig. 1, the inner side of the cover body 2 is circumferentially provided with an internal thread 203 for being screwed on the equipment, and the disassembly and the assembly are convenient.
As shown in FIG. 1, a flat gasket 3 is provided on the outside of the flange 201 to seal the sampling needle and the feed liquid sampling system.
The handles 4 are four and symmetrically arranged, so that the sampling needle is convenient to fix.
As shown in FIG. 1, the sampling port 103 is disposed at the junction of the needle tube 101 and the needle tip 102, so that no part of the needle tube 101 exists between the sampling port 103 and the needle tip 102, thereby ensuring the utilization rate of the needle tube 101 and ensuring that the needle tube 101 can be used for guiding liquid.
As shown in fig. 1, the sampling port 103 is circular.
As shown in FIG. 2, the distance between the center of the sampling port 103 and the apex of the needle tip 102 is 4 mm.
As shown in fig. 2, the throat 104 has a ramp angle of 60 °.
As shown in fig. 2, the tip 102 is conical and has an included angle of 30 °.
As shown in FIG. 2, the needle cannula 101 has an outer diameter of 2.5mm and an inner diameter of 1.5 mm. The sampling port 103 has a diameter of 1 mm. The distance from the apex of the tip 102 to the apex of the feed inlet 104 was 150 mm.
As shown in fig. 3, the total thickness of the cover body 2 is 20mm, the outer diameter of the cover body 2 is 24mm, the inner diameter is 20mm, the upper side wall thickness of the cover body 2 is 2mm, the distance from the bottom of the internal thread 203 to the bottom of the cover body 2 is 6mm, the thickness of the flange 201 is 5mm, the outer diameter of the flange 201 is 8mm, and the diameter of the mounting hole 202 is 2.5 mm.
The utility model discloses set up lid 2, be convenient for fix the sampling needle on equipment, set up internal thread 203 in the lid 2, be convenient for fix this sampling needle with the threaded mode, with the installation of being convenient for and dismantlement of threaded mode fixed, set up handle 4 and make things convenient for the staff to hand. The needle tip 102 is arranged physically, and the sampling hole 103 is arranged at the joint of the needle tip 102 and the needle tube 101, so that all the needle tubes 101 are completely and effectively utilized, and the utilization rate is improved. The utility model discloses convenient to use, simple structure is applicable to and takes a sample to radioactive chemical liquid.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (9)
1. A sampling needle, characterized in that: the needle-free infusion needle comprises a hollow cylindrical cover body (2), wherein a needle body (1) is arranged in the axis direction of the cover body (2), and a plurality of handles (4) are arranged on the outer side of the cover body (2) along the radial direction;
the lower end of the cover body (2) is provided with an opening, the center of the upper inner side wall of the cover body (2) is provided with a flange (201), and the center of the flange (201) is provided with a mounting hole (202) along the axis;
the needle body (1) comprises a hollow needle tube (101), a solid needle point (102) and a hollow feed inlet (104); the needle tip (102) is arranged at the upper end of the needle tube (101), and the feed inlet (104) is arranged at the lower end of the needle tube (101); the needle tube (101) is provided with a sampling port (103); one end of an inner hole of the needle tube (101) is communicated with a sampling bottle through the sampling port (103), and the other end of the inner hole is communicated with feed liquid through the feed port (104);
the middle part of the needle tube (101) penetrates through the mounting hole (202).
2. A sampling needle according to claim 1, wherein: the inner side of the cover body (2) is provided with internal threads (203) along the circumference.
3. A sampling needle according to claim 1, wherein: the outer side of the flange (201) is provided with a flat pad (3).
4. A sampling needle according to claim 1, wherein: the number of the handles (4) is four, and the handles are symmetrically arranged.
5. A sampling needle according to claim 1, wherein: the sampling port (103) is arranged at the joint of the needle tube (101) and the needle tip (102).
6. A sampling needle according to any one of claims 1 to 5, characterized in that: the sampling port (103) is circular.
7. A sampling needle according to claim 6, characterized in that: the distance between the center of the sampling port (103) and the top point of the needle tip (102) is 4 mm.
8. A sampling needle according to claim 1, wherein: the inclined plane angle of the feed inlet (104) is 60 degrees.
9. A sampling needle according to claim 1, wherein: the needle tip (102) is conical, and the included angle of the cone is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876856.3U CN210198776U (en) | 2019-06-11 | 2019-06-11 | Sampling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920876856.3U CN210198776U (en) | 2019-06-11 | 2019-06-11 | Sampling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210198776U true CN210198776U (en) | 2020-03-27 |
Family
ID=69873381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920876856.3U Active CN210198776U (en) | 2019-06-11 | 2019-06-11 | Sampling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210198776U (en) |
-
2019
- 2019-06-11 CN CN201920876856.3U patent/CN210198776U/en active Active
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