CN218297696U - Water sampling test tube for water analysis - Google Patents
Water sampling test tube for water analysis Download PDFInfo
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- CN218297696U CN218297696U CN202222182741.9U CN202222182741U CN218297696U CN 218297696 U CN218297696 U CN 218297696U CN 202222182741 U CN202222182741 U CN 202222182741U CN 218297696 U CN218297696 U CN 218297696U
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Abstract
The utility model discloses a water sample test tube for water analysis relates to the relevant field of water sample, for solving the present seal cap that need open the test tube completely, cooperation outside sampling mechanism carries out the water sample, the test tube is sealed again to the back, and the operation is comparatively troublesome, and opens the back of sealing the cap, and the test tube mouth opens completely, may have outside impurity to get into, mixes into the sample water, influences the problem of water analysis result. The inside of test tube sealing cap sets up to the middle chamber, the inside sliding connection of middle chamber has sealed sliding plate, the middle chamber is inside to be provided with middle telescopic link along the upper end of sealed sliding plate, be provided with pressure spring along the outside of middle telescopic link between inside up end of test tube sealing cap and the sealed sliding plate, set up the water circulation passageway in the sealed sliding plate, the water circulation passageway sets up to "L" shape, the inlet opening has been seted up to the centre of test tube sealing cap lateral surface, and the diameter of inlet opening is the same with the diameter of water circulation passageway.
Description
Technical Field
The utility model relates to a water sample correlation field specifically is a water sample test tube for water analysis.
Background
The test tube is used as in the reaction vessel of a small amount of reagent, is used for the laboratory usually, because still need shift the water to the operation of carrying out the analysis again in the test tube after the water sample comparatively loaded down with trivial details, also adopts sample test tube cooperation sampling instrument sample at present, directly with the water splendid attire in the test tube, recycles storage transfer case and shifts to the test site and carry out analysis test.
For the convenience of subsequent experiment, the outside form of test tube does not change at present, but under this kind of circumstances, need open the sealing cap of test tube completely, cooperation outside sampling mechanism carries out the water sample, the test tube is sealed again to the back, and the operation is comparatively troublesome, and opens behind the sealing cap, and the test tube mouth opens completely, has the outside impurity to get into, mixes into the sample water, influences the water analysis result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water sample test tube for water analysis to solve the present sealing cap that need open the test tube completely that proposes in the above-mentioned background art, cooperate outside sampling mechanism to carry out the water sample, the test tube is sealed again to the back, and the operation is comparatively troublesome, and opens behind the sealing cap, and the test tube mouth opens completely, may have the external impurity to get into, mixes into the sample water, influences the problem of water analysis result.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water sample test tube for water analysis, includes sealed cap of test tube and test tube main part, and the sealed cap of test tube is located the upper end of test tube main part, and the upper end of test tube main part extends to the inside of the sealed cap of test tube, and the sealed cap of test tube passes through threaded connection with test tube main part, the inside of the sealed cap of test tube sets up to the middle chamber, the inside sliding connection of middle chamber has sealed sliding tray, the inside upper end along sealed sliding tray of middle chamber is provided with middle telescopic link, be provided with pressure spring along the outside of middle telescopic link between the inside up end of the sealed cap of test tube and the sealed sliding tray, set up the water circulation passageway in the sealed sliding tray, the water circulation passageway sets up to "L" shape, the inlet opening has been seted up to the centre of the sealed cap of test tube lateral surface, and the diameter of inlet opening is the same with the diameter of water circulation passageway.
Preferably, a rotating ring is rotatably connected to the outer portion of the lower end of the sealing sliding disk.
Preferably, the outside fixedly connected with sealed outer loop of rotating ring lower extreme, the inside fixedly connected with sealed inner ring of rotating ring lower extreme, the upper end between sealed outer loop and the sealed inner ring is provided with the seal ring pad, form the seal groove between seal ring pad, the sealed outer loop and the sealed inner ring, the upper end card of test tube main part is in the seal groove.
Preferably, a water outlet is formed in the middle of the lower end face of the sealing sliding disc along one end of the water body circulation channel, and a water inlet is formed in the upper end of one side of the outer side face of the sealing sliding disc along the other end of the water body circulation channel.
Preferably, the outside of test tube sealing cap is installed the water receiving pipe along the outside of inlet opening, and the water receiving pipe communicates with the inlet opening is inside.
Preferably, the interior of the test tube main body is provided with a containing cavity.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the test tube sealing cap is screwed outwards, the sealing groove formed by the sealing outer ring, the sealing inner ring and the sealing ring pad is always clamped at the upper end of the test tube main body due to the existence of the pressure spring, and the water inlet of the water body circulation channel on the sealing sliding disc is communicated with the water inlet hole due to the outward screwing part of the test tube sealing cap, so that water body sampling can be carried out; the sealed cap of test tube is screwed up to the back, because compression spring's existence, the seal groove that sealed outer loop, sealed inner ring and sealing ring pad formed blocks all the time in test tube main part upper end, and the sealed cap of test tube is inwards twisted and is moved the water inlet that makes sealed slide plate water body circulation passageway and inlet opening separation, accomplishes test tube main part's sealed. The sealing cap of the test tube does not need to be completely opened in the whole operation process, the external sampling mechanism is matched for sampling the water body, and then the test tube is sealed again, so that the operation is simpler; and owing to need not open the sealed cap of test tube completely, there is not the risk that impurity got into, has solved the present sealed cap that needs open the test tube completely, and the cooperation outside sampling mechanism carries out the water sample, and the test tube is sealed again to the back, and the operation is comparatively troublesome, and opens behind the sealed cap, and the test tube mouth opens completely, has probably outside impurity to get into, mixes into the sample water, influences the problem of water analysis result.
2. In the utility model, the existence of the pressure spring, the sealing groove formed by the sealing outer ring, the sealing inner ring and the sealing ring pad is always clamped at the upper end of the test tube main body, thereby realizing the tight sealing of the upper end of the test tube main body; the sealing sliding disc is rotationally connected with the rotating ring, the sealing sliding disc rotates along with the rotating ring when the test tube sealing cap is screwed, but a sealing groove formed by the sealing outer ring, the sealing inner ring and the sealing ring pad is pressed at the upper end of the test tube main body; the influence of different position states of the test tube sealing cap on water inlet and sealing is realized in a matching manner.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a water sampling test tube for water body analysis according to the present invention;
FIG. 2 is a schematic cross-sectional view of a water sampling tube for water body analysis according to the present invention;
FIG. 3 is a connection diagram of the working state of a water sampling tube for water analysis according to the present invention;
FIG. 4 is a schematic view of the reverse structure of the sealing cap of the test tube of the present invention;
fig. 5 is a schematic view of the reverse structure of the sealing sliding disk, the rotating ring, the sealing outer ring and the sealing inner ring according to the present invention.
In the figure: 1. a test tube sealing cap; 2. a test tube body; 3. a containing cavity; 4. a middle cavity; 5. sealing the sliding disc; 6. a middle telescopic rod; 7. a pressure spring; 8. a water body flow channel; 9. a water inlet hole; 10. a water receiving pipe; 11. a water outlet; 12. a water inlet; 13. a rotating ring; 14. sealing the outer ring; 15. sealing the inner ring; 16. a seal ring gasket; 17. a sealing groove; 18. a water inlet pipe; 19. a first check valve; 20. a three-way pipe; 21. a second one-way valve; 22. a water inlet hose; 23. a water pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-5, the present invention provides an embodiment: a water body sampling test tube for water body analysis comprises a test tube sealing cap 1 and a test tube main body 2, wherein the test tube sealing cap 1 is positioned at the upper end of the test tube main body 2, the upper end of the test tube main body 2 extends to the inside of the test tube sealing cap 1, the test tube sealing cap 1 is in threaded connection with the test tube main body 2, the structure is common in the market, and the sampling test tube is mainly the improvement of the structure on the test tube sealing cap 1; the inside of the test tube main body 2 is set to be a containing cavity 3, the inside of the test tube sealing cap 1 is set to be an intermediate cavity 4, the inside of the intermediate cavity 4 is connected with a sealing sliding disc 5 in a sliding manner, an intermediate telescopic rod 6 is arranged inside the intermediate cavity 4 along the upper end of the sealing sliding disc 5, a pressure spring 7 is arranged between the inner upper end surface of the test tube sealing cap 1 and the sealing sliding disc 5 along the outside of the intermediate telescopic rod 6, the pressure spring 7 exists, a sealing outer ring 14, a sealing inner ring 15 and a sealing ring gasket 16 form a sealing groove 17 which is always clamped at the upper end of the test tube main body 2, and the upper end of the test tube main body 2 is tightly sealed; a water body circulation channel 8 is formed in the sealing sliding disc 5, the water body circulation channel 8 is set to be L-shaped, a water inlet hole 9 is formed in the middle of the outer side surface of the test tube sealing cap 1, the diameter of the water inlet hole 9 is the same as that of the water body circulation channel 8, a water outlet 11 is formed in the middle of the lower end surface of the sealing sliding disc 5 along one end of the water body circulation channel 8, and a water inlet 12 is formed in the upper end of one side of the outer side surface of the sealing sliding disc 5 along the other end of the water body circulation channel 8; the water receiving pipe 10 is installed along the outside of inlet opening 9 in the sealed cap 1 outside of test tube, and water receiving pipe 10 and the inside intercommunication of inlet opening 9.
The outer side surface of the sealing sliding disc 5 is provided with a sealing structure, and the structure refers to the structure of a sealing ring in the injector. The test tube sealing cap 1 is screwed outwards, and the water inlet 12 of the water body circulation channel 8 on the sealing sliding disc 5 is communicated with the water inlet hole 9, so that water body sampling can be carried out; the test tube sealing cap 1 is screwed inwards to separate the water inlet 12 of the water body circulation channel 8 on the sealing sliding disc 5 from the water inlet hole 9.
Referring to fig. 5, a rotating ring 13 is rotatably connected to the outer portion of the lower end of the sealing sliding disk 5, a sealing outer ring 14 is fixedly connected to the outer portion of the lower end of the rotating ring 13, a sealing inner ring 15 is fixedly connected to the inner portion of the lower end of the rotating ring 13, a sealing ring gasket 16 is arranged at the upper end between the sealing outer ring 14 and the sealing inner ring 15, a sealing groove 17 is formed between the sealing ring gasket 16 and the sealing outer ring 14, the sealing outer ring 14 and the sealing inner ring 15, the upper end of the test tube main body 2 is clamped in the sealing groove 17, the sealing sliding disk 5 is rotatably connected with the rotating ring 13 so that the sealing sliding disk 5 rotates with the test tube sealing cap 1 when the test tube sealing cap 1 is screwed, the sealing groove 17 formed by the sealing outer ring 14, the sealing inner ring 15 and the sealing ring gasket 16 is always pressed on the upper end of the test tube main body 2, the sealing ring does not rotate with the test tube sealing cap 1, and the influence of different positions on water inlet and sealing is realized.
The water receiving pipe 10 is externally connected with a water inlet pipe 18, a first one-way valve 19, a three-way pipe 20 and a second one-way valve 21 are installed on the water inlet pipe 18 from inside to outside, a water inlet hose 22 is installed at the other end of the water inlet pipe 18, a water pumping device 23 is installed at the other end of the three-way pipe 20, the structure of the water pumping device 23 is basically the same as that of a medical injector, and the water pumping device mainly comprises a middle core, an outer sleeve and a sealing structure which can be extracted, the structural connection relationship is shown in the drawing, the structural size relationship is slightly deviated, the actual size of the water pumping device 23 is larger than the proportion in the drawing, and the repetition times can not be too many when water samples are extracted. This part is the sample structure of this sample test tube of cooperation, realizes outdoor water sample.
The working principle is as follows: the test tube sealing cap 1 is screwed outwards, the sealing groove 17 formed by the sealing outer ring 14, the sealing inner ring 15 and the sealing ring gasket 16 is always clamped at the upper end of the test tube main body 2 due to the existence of the pressure spring 7, and the water inlet 12 of the water body circulation channel 8 on the sealing sliding disc 5 is communicated with the water inlet hole 9 due to the outward screwing part of the test tube sealing cap 1.
One end of a water inlet hose 22 is arranged in a water body to be analyzed, a water inlet pipe 18 is communicated with a water receiving pipe 10 and upwards pumps the middle core of a water pump 23, and as the flowing directions of a first check valve 19 and a second check valve 21 are both towards the direction of the test tube main body 2, a water sample in the water body enters a sleeve of the water pump 23 through the water inlet hose 22, the second check valve 21 and a three-way pipe 20; the middle core of the water pumping device 23 is pushed inwards, and because the flowing directions of the first one-way valve 19 and the second one-way valve 21 are both towards the direction of the test tube main body 2, the pumped water enters the containing cavity 3 through the first one-way valve 19, the water receiving pipe 10, the water inlet hole 9 and the water body flowing channel 8; the process is repeated to make the amount of the extracted water sample meet the detection and analysis standard.
The test tube sealing cap 1 is screwed down afterwards, and because of the existence of the pressure spring 7, the sealing groove 17 formed by the sealing outer ring 14, the sealing inner ring 15 and the sealing ring gasket 16 is always clamped at the upper end of the test tube main body 2, and the test tube sealing cap 1 is screwed inwards to separate the water inlet 12 of the water body circulation channel 8 on the sealing sliding disc 5 from the water inlet hole 9, so that the sealing of the test tube main body 2 is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a water sample test tube for water analysis, includes sealed cap of test tube (1) and test tube main part (2), and sealed cap of test tube (1) is located the upper end of test tube main part (2), and the upper end of test tube main part (2) extends to the inside of the sealed cap of test tube (1), and sealed cap of test tube (1) passes through threaded connection, its characterized in that with test tube main part (2): the inside of test tube sealing cap (1) sets up to middle chamber (4), the inside sliding connection of middle chamber (4) has sealed sliding tray (5), middle chamber (4) are inside to be provided with middle telescopic link (6) along the upper end of sealed sliding tray (5), be provided with pressure spring (7) along the outside of middle telescopic link (6) between test tube sealing cap (1) inside up end and the sealed sliding tray (5), seted up water circulation passageway (8) in sealed sliding tray (5), water circulation passageway (8) set up to "L" shape, inlet opening (9) have been seted up to the centre of test tube sealing cap (1) lateral surface, and the diameter of inlet opening (9) is the same with the diameter of water circulation passageway (8).
2. The water sampling test tube for water analysis according to claim 1, wherein: the outer part of the lower end of the sealing sliding disc (5) is rotatably connected with a rotating ring (13).
3. The water sampling test tube for water analysis according to claim 2, wherein: the test tube comprises a rotating ring (13), a sealing outer ring (14) is fixedly connected to the outer portion of the lower end of the rotating ring (13), a sealing inner ring (15) is fixedly connected to the inner portion of the lower end of the rotating ring (13), a sealing ring gasket (16) is arranged at the upper end between the sealing outer ring (14) and the sealing inner ring (15), a sealing groove (17) is formed among the sealing ring gasket (16), the sealing outer ring (14) and the sealing inner ring (15), and the upper end of a test tube main body (2) is clamped in the sealing groove (17).
4. The water sampling test tube for water analysis according to claim 1, wherein: the middle of the lower end face of the sealed sliding disc (5) forms a water outlet (11) along one end of the water body circulation channel (8), and the upper end of one side of the outer side face of the sealed sliding disc (5) forms a water inlet (12) along the other end of the water body circulation channel (8).
5. The water sampling test tube for water analysis according to claim 1, wherein: the outside of test tube sealing cap (1) is installed water receiving pipe (10) along the outside of inlet opening (9), and water receiving pipe (10) and inlet opening (9) inside intercommunication.
6. The water sampling test tube for water analysis according to claim 1, wherein: the inside of the test tube main body (2) is provided with a containing cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182741.9U CN218297696U (en) | 2022-08-18 | 2022-08-18 | Water sampling test tube for water analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222182741.9U CN218297696U (en) | 2022-08-18 | 2022-08-18 | Water sampling test tube for water analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218297696U true CN218297696U (en) | 2023-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222182741.9U Active CN218297696U (en) | 2022-08-18 | 2022-08-18 | Water sampling test tube for water analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218297696U (en) |
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2022
- 2022-08-18 CN CN202222182741.9U patent/CN218297696U/en active Active
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