CN210487374U - Vacuum sampler for sampling purified water - Google Patents
Vacuum sampler for sampling purified water Download PDFInfo
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- CN210487374U CN210487374U CN201921347060.5U CN201921347060U CN210487374U CN 210487374 U CN210487374 U CN 210487374U CN 201921347060 U CN201921347060 U CN 201921347060U CN 210487374 U CN210487374 U CN 210487374U
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Abstract
The utility model discloses a vacuum sampler for sampling purified water, which comprises a water suction tank and an air exhaust tank, wherein a flange is arranged outside the upper end of the water suction tank, a water inlet is arranged at the lower end of the water suction tank, a first valve is arranged on the water inlet, a cover plate is arranged above the water suction tank, the cover plate is arranged on the flange through a bolt, a screw hole is arranged in the middle of the cover plate, and a screw rod is arranged in the screw hole of the cover plate; the air suction tank is arranged on the left side of the water suction tank, the air suction tank is fixedly connected with the water suction tank through a connecting plate, an air hole is formed in the upper portion of the left end of the air suction tank, a filter screen is arranged at the left end of the air hole, an air outlet is formed in the lower end of the air suction tank, and a first check valve is arranged in the air outlet. The utility model discloses simple structure, convenient to use through setting up first piston and screw rod, conveniently adjusts the volume of extraction purified water, through setting up window and scale, conveniently contrasts the position of adjusting first piston for the volume of extraction purified water is more accurate.
Description
Technical Field
The utility model relates to a sampling equipment specifically is a vacuum sampler is used in purified water sample.
Background
Purified water is water which is prepared by a distillation method, an ion exchange method, a reverse osmosis method or other methods and does not contain any additive, the purified water is widely applied to drug production and scientific experiments, the requirement of the purified water used in the field of biological medicine is high, and the quality of the purified water has great influence on the quality of the medicine, so the purified water used in pharmaceutical engineering is strictly sampled and checked to ensure the quality of the purified water.
The key equipment that will use in the sampling inspection of purified water is exactly the purified water sampler, and present widely used purified water sampler all is vacuum sampler because can reduce purified water and air contact like this, avoid by air pollution, influence the testing result, but the purified water vacuum sampler who uses still has some problems at present, if the structure is complicated, use the operation inconvenient, it is inconvenient that sample volume control is inconvenient in addition, causes the extravagant a large amount of purified water easily, increases manufacturing cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum sampler is used in purified water sample to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a vacuum sampler for sampling purified water comprises a water suction tank and an air exhaust tank, wherein the water suction tank comprises a flange, a window, a water inlet, a first valve and scales; the air suction tank comprises an air hole, an air inlet, a second valve, an air outlet, a first one-way valve and a second one-way valve, the air suction tank is arranged at the left side of the water suction tank, the air suction tank is fixedly connected with the water suction tank through a connecting plate, the air hole is formed in the upper portion of the left end of the air suction tank, the left end of the air hole is provided with a filter screen, the lower end of the air suction tank is provided with the air outlet, and the air outlet is internally provided with the first one-.
As a further aspect of the present invention: the right end of the water absorption tank is provided with a window, the window is embedded with sealing glass, and the front side of the window is provided with scales.
As a further aspect of the present invention: the water suction tank is characterized in that a first piston is arranged in the water suction tank, a first sealing ring is embedded in the side face of the first piston, the lower end of a screw rod is rotatably arranged at the upper end of the first piston, and a crank is arranged at the upper end of the screw rod.
As a further aspect of the present invention: an air inlet is formed below the right end of the air suction tank, the right end of the air inlet is communicated with the inside of the water suction tank, a second valve and a second one-way valve are arranged in the air inlet, and the second one-way valve is arranged at the left end of the second valve.
As a further aspect of the present invention: the gas-pumping tank is internally provided with a second piston, a second sealing ring is embedded in the side face of the second piston, the middle of the upper end of the gas-pumping tank is provided with a through hole, a pull rod is arranged in the through hole, the lower end of the pull rod is rotatably arranged at the upper end of the second piston, and a handle is arranged at the upper end of the pull rod.
Compared with the prior art, the utility model discloses simple structure, high durability and convenient use, through setting up first piston and screw rod, conveniently adjust the volume of extraction purification water, through setting up window and scale, the position of first piston is adjusted in convenient contrast, make the volume of extraction purification water more accurate, through setting up the gas pitcher, the second piston, first check valve and second check valve, can extract the gas in the water pitcher, make the water pitcher that absorbs water keep approximate vacuum, inhale the purification water, can ensure simultaneously that purification water can not pollute with the air contact.
Drawings
Fig. 1 is a top right view of a three-dimensional structure of a vacuum sampler for sampling purified water.
Fig. 2 is a lower left side view of a three-dimensional structure of a vacuum sampler for sampling purified water.
Fig. 3 is a top view of a vacuum sampler for sampling purified water.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
In the figure: 1. a water suction tank; 11. a flange; 12. a window; 13. a water inlet; 14. a first valve; 15. calibration; 2. a cover plate; 3. an air pumping tank; 31. air holes; 32. an air inlet; 33. a second valve; 34. an air outlet; 35. a first check valve; 36. a second one-way valve; 4. a first piston; 41. a first seal ring; 5. a screw; 51. a crank; 6. a second piston; 61. a second seal ring; 7. a pull rod; 71. a grip; 8. filtering with a screen; 9. a connecting plate.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-4, a vacuum sampler for sampling purified water includes a water suction tank 1 and an air suction tank 3; the water suction tank 1 comprises a flange 11, a window 12, a water inlet 13, a first valve 14 and scales 15, the flange 11 is arranged on the outer side of the upper end of the water suction tank 1, the window 12 is arranged on the right end of the water suction tank 1, sealing glass is embedded in the window 12, the scales 15 are arranged on the front side of the window 12, the water inlet 13 is arranged on the lower end of the water suction tank 1, the first valve 14 is arranged on the water inlet 13 and used for controlling the opening and closing of the water inlet 13, external threads are arranged on the outer side of the water inlet 13, when the water inlet 13 at the position of pure water cannot be in direct contact with the water inlet, a suction pipe can be externally connected to suck the pure water, a cover plate 2 is arranged above the water suction tank 1, the cover plate 2 is arranged on the flange 11 through bolts, a screw hole is formed in the middle of the cover plate 2, a screw, be used for guaranteeing first piston 4 and absorb water the leakproofness between the 1 inner wall of jar, the lower extreme of screw rod 5 is rotated and is installed in the upper end of first piston 4, and the upper end of screw rod 5 is provided with crank 51, can rotate screw rod 5 through crank 51, and screw rod 5 rotates the back and can drive first piston 4 and slide from top to bottom in jar 1 that absorbs water, can observe first piston 4's position through window 12, can know the volume that jar 1 below absorbs water with scale 15 contrast.
The air extracting tank 3 comprises an air hole 31, an air inlet 32, a second valve 33, an air outlet 34, a first one-way valve 35 and a second one-way valve 36, the air extracting tank 3 is arranged at the left side of the water suction tank 1, the air extracting tank 3 is fixedly connected with the water suction tank 1 through a connecting plate 9, the air hole 31 is arranged above the left end of the air extracting tank 3, the left end of the air hole 31 is provided with a filter screen 8 to prevent the air hole 31 from frequently entering and exhausting air during air extraction to bring impurities in the air into the air extracting tank 3, the air inlet 32 is arranged below the right end of the air extracting tank 3, the right end of the air inlet 32 is communicated with the inside of the water suction tank 1, the air inlet 32 is internally provided with the second valve 33 and the second one-way valve 36, the second one-way valve 36 is arranged at the left end of the second valve 33, the lower end of the air extracting tank 3 is provided with the air outlet 34, the side surface of the second piston 6 is embedded with a second sealing ring 61 for ensuring the sealing property between the second piston 6 and the inner wall of the air extraction tank 3, the middle part of the upper end of the air extraction tank 3 is provided with a through hole, a pull rod 7 is arranged in the through hole, the lower end of the pull rod 7 is rotatably arranged at the upper end of the second piston 6, the upper end of the pull rod 7 is provided with a handle 71, and the pull rod 7 and the second piston 6 can be pulled to slide up and down in the air extraction tank 3 through the handle 71.
The utility model discloses in the use: firstly, the screw rod 5 is rotated through the crank 51, the first piston 4 is driven to move in the water suction tank 1, the volume of pure water is extracted as required, then the position of the first piston 4 is observed through the window 12, the first piston 4 is adjusted to a specified position by comparing with the scale 15, then the first valve 14 is closed, the second valve 33 is opened, the pull rod 7 and the second piston 6 are pulled through the handle 71 to slide up and down in the air suction tank 3, when the second piston 6 slides upwards, the air in the water suction tank 1 can be pumped into the air suction tank 3, when the second piston 6 moves downwards, the air in the air suction tank 3 can be discharged through the air outlet 34, and the operation is repeated, so that the air in the water suction tank 1 can be pumped out, the water suction tank 1 is kept in a nearly vacuum state, then the second valve 33 is closed, the water inlet 13 is stretched into the pure water, and then the first valve 14 is opened, the pure water can be sucked into the water suction tank 1, when the water inlet 13 is inconvenient to contact with the pure water, the water inlet 13 can be externally connected with a suction pipe, and the suction pipe is inserted into the pure water and can also suck the pure water into the water suction tank 1.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A vacuum sampler for sampling purified water comprises a water suction tank (1) and a gas suction tank (3), and is characterized in that the water suction tank (1) comprises a flange (11), a window (12), a water inlet (13), a first valve (14) and scales (15), the flange (11) is arranged on the outer side of the upper end of the water suction tank (1), the water inlet (13) is arranged at the lower end of the water suction tank (1), the first valve (14) is arranged on the water inlet (13), external threads are arranged on the outer side of the water inlet (13), a cover plate (2) is arranged above the water suction tank (1), the cover plate (2) is mounted on the flange (11) through bolts, a screw hole is formed in the middle of the cover plate (2), and a screw rod (5) is mounted in the screw hole of; the air suction tank (3) comprises an air hole (31), an air inlet (32), a second valve (33), an air outlet (34), a first one-way valve (35) and a second one-way valve (36), the air suction tank (3) is arranged on the left side of the water suction tank (1), the air suction tank (3) and the water suction tank (1) are fixedly connected through a connecting plate (9), the air hole (31) is formed in the upper portion of the left end of the air suction tank (3), a filter screen (8) is arranged at the left end of the air hole (31), the air outlet (34) is formed in the lower end of the air suction tank (3), and the first one-way valve (35) is arranged in the air outlet (34).
2. The vacuum sampler for sampling purified water according to claim 1, wherein the right end of the water absorption tank (1) is provided with a window (12), the window (12) is embedded with sealing glass, and the front side of the window (12) is provided with a scale (15).
3. The vacuum sampler for sampling purified water according to claim 1, wherein the water suction tank (1) is internally provided with a first piston (4), a first sealing ring (41) is embedded on the side surface of the first piston (4), the lower end of the screw rod (5) is rotatably arranged at the upper end of the first piston (4), and the upper end of the screw rod (5) is provided with a crank (51).
4. A vacuum sampler for sampling purified water according to claim 1, characterized in that an air inlet (32) is arranged below the right end of the air pumping tank (3), the right end of the air inlet (32) is communicated with the inside of the water suction tank (1), a second valve (33) and a second one-way valve (36) are arranged in the air inlet (32), and the second one-way valve (36) is arranged at the left end of the second valve (33).
5. The vacuum sampler for sampling purified water according to claim 1, wherein the interior of the air pumping tank (3) is provided with a second piston (6), the side surface of the second piston (6) is embedded with a second sealing ring (61), the middle part of the upper end of the air pumping tank (3) is provided with a through hole, a pull rod (7) is arranged in the through hole, the lower end of the pull rod (7) is rotatably arranged at the upper end of the second piston (6), and the upper end of the pull rod (7) is provided with a handle (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347060.5U CN210487374U (en) | 2019-08-20 | 2019-08-20 | Vacuum sampler for sampling purified water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347060.5U CN210487374U (en) | 2019-08-20 | 2019-08-20 | Vacuum sampler for sampling purified water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210487374U true CN210487374U (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921347060.5U Active CN210487374U (en) | 2019-08-20 | 2019-08-20 | Vacuum sampler for sampling purified water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210487374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811883A (en) * | 2020-07-04 | 2020-10-23 | 曲阜师范大学 | Sample extractor for pharmaceutical experiment |
-
2019
- 2019-08-20 CN CN201921347060.5U patent/CN210487374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811883A (en) * | 2020-07-04 | 2020-10-23 | 曲阜师范大学 | Sample extractor for pharmaceutical experiment |
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