CN210533790U

CN210533790U - Water quality layered sampler

Info

Publication number: CN210533790U
Application number: CN201921475362.0U
Authority: CN
Inventors: 周庆; 石杰; 董思宇
Original assignee: Shaoxing Sanhe Detection Technology Co Ltd
Current assignee: Shaoxing Sanhe Detection Technology Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-15
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a water quality testing technical field discloses a quality of water layering sample thief, including fixed plate and a plurality of sampling unit that sets up on the fixed plate, the sampling unit all includes main part, reservoir chamber, drinking-water pipe and the piston that draws water, and the reservoir chamber sets up inside the main part, and the interior mouth of drinking-water pipe connects the reservoir chamber, and the outer mouth of pipe stretches out the main part, is provided with the delivery port on the reservoir chamber, is provided with sealed lid on the delivery port, and the piston that draws water slides and sets up in the reservoir chamber and be connected with the piston rod, and is three the outer mouth of pipe of sampling unit highly reduces in proper order, and is three the piston rod of sampling unit upwards extends and pierces through the fixed plate, the fixed plate top is. The utility model discloses can extract the sampling to the water of three different water level height simultaneously, avoid the trouble of wasing drinking-water pipe, reservoir chamber repeatedly in extraction and the extraction of many times.

Description

Water quality layered sampler

Technical Field

The utility model belongs to the technical field of water quality testing, in particular to quality of water layering sample thief.

Background

A water quality sampler is a device used to sample water in a target water source.

Current water quality sampler includes main part, reservoir chamber, drinking-water pipe and the piston of drawing water, and the reservoir chamber sets up inside the main part, and the reservoir chamber is connected to the interior mouth of drinking-water pipe, and the outer mouth of pipe stretches out the main part, is provided with the delivery port on the reservoir chamber, is provided with sealed lid on the delivery port, and the piston of drawing water sets up in the reservoir chamber and is connected with the piston rod. When the water pumping device is used, the outer pipe opening of the water pumping pipe is immersed into a target water source, and when the piston rod is pulled up to drive the water pumping piston to move, water is pumped into the water pumping pipe from the outer pipe opening and enters the water storage chamber from the water pumping pipe. After the water pumping is finished, the water quality sampler is lifted to separate the outer pipe orifice from the water source, the sealing cover is opened, and the sample water collected in the water storage chamber is poured out.

During detection, water at different water level heights in the same water source is often sampled and detected respectively. The water quality sampler can complete sampling operation only by multiple times of sampling, and the water pumping pipe and the water storage chamber need to be cleaned in the middle of sampling at each time, so that mutual influence among samples is avoided, and the operation is troublesome and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a quality of water layering sample thief can extract the sampling to the water of three different water level height simultaneously, has avoided the trouble of wasing drinking-water pipe, reservoir chamber repeatedly in extraction and the extraction of many times.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a quality of water layering sample thief, includes fixed plate and a plurality of sampling unit that sets up on the fixed plate, sampling unit all includes main part, reservoir chamber, drinking-water pipe and the piston of drawing water, and the reservoir chamber sets up inside the main part, and the reservoir chamber is connected to the interior mouth of drinking-water pipe, and the outer mouth stretches out the main part, is provided with the delivery port on the reservoir chamber, is provided with sealed lid on the delivery port, and the piston of drawing water slides and sets up in the reservoir chamber and be connected with the piston rod, and is three sampling unit's outer mouth height reduces in proper order, and is three sampling unit's piston rod upwards extends and pierces through the fixed plate, the fixed plate top is.

By adopting the technical scheme, the piston rod is driven to ascend through the driving part, negative pressure is formed in the water storage chamber, water is sucked up along the water pumping pipe from the outer pipe opening of the water pumping pipe, when the water level is higher than the inner pipe opening, the water flows into the water storage chamber for storage, the piston rod is continuously moved upwards, the amount of the pumped water at least meets the detection requirement, the sampler is taken out, and the sealing cover is opened to take out the pumped water from the water storage chamber; the three outer pipe orifices are different in height, and the three piston rods are driven by the driving piece simultaneously, so that sample water with different heights in a water source to be detected can be extracted simultaneously, and the operation and the use are convenient.

Further setting the following steps: the driving piece comprises a connecting rod, a connecting stud and a connecting threaded sleeve, the connecting stud is arranged on the connecting rod and corresponds to the piston rod in quantity, a through hole for the piston rod to upwards penetrate through the connecting rod and the connecting stud is formed in the connecting stud, the connecting threaded sleeve is in one-to-one correspondence with the piston rod and coaxially sleeved on the piston rod, the connecting threaded sleeve is connected with the piston rod in an axial clamping mode along the piston rod, and the connecting threaded sleeve is in threaded connection with the connecting stud which penetrates through the piston rod at the position.

Through adopting above-mentioned technical scheme, through connecting stud and connection swivel nut threaded connection with loosen for the piston rod that corresponds is connected or breaks away from with the connecting rod, and during the connection, the height of manual lifting connecting rod makes the piston rod of connecting rise together, makes the drinking-water pipe that the piston rod corresponds correspond the reservoir chamber with the water suction, can select different drinking-water pipes as required to draw water alone, also can select the drinking-water pipe of arbitrary combination to draw water, and it is more convenient to use.

Further setting the following steps: the piston rod is provided with an annular groove coaxial with the piston rod, the inner wall of the connecting threaded sleeve is provided with an annular clamping ring, and the width of the annular groove is larger than or equal to the thickness of the annular clamping ring.

By adopting the technical scheme, when the connecting threaded sleeve and the connecting stud are loosened in a rotating mode, if the piston rod is kept to be stationary, the annular clamping ring rises along the annular groove, and the width of the annular groove is larger than or equal to the thickness of the annular clamping ring, so that the connecting threaded sleeve and the connecting stud can be separated.

Further setting the following steps: the width of the annular groove is less than or equal to the sum of the length of the thread meshed by the connecting screw sleeve and the connecting stud and the thickness of the annular snap ring.

If the width of the annular groove is larger than the sum of the length of the thread meshed with the connecting stud and the thickness of the annular snap ring, when the connecting stud and the connecting stud are completely screwed, the connecting rod drives the piston rod to retract and pull up, the invalid operation height exists, and the connecting rod can effectively drive the piston rod to retract and pull up after the connecting rod is driven to move for a moving distance.

Through adopting above-mentioned technical scheme, eliminate the invalid operation height in the above-mentioned condition for when the connecting rod was pulled up or was pressed, the piston rod rose or descends along with the connecting rod together, and it is more convenient to operate.

Further setting the following steps: the water storage chamber is connected with the inner pipe orifice of the water pumping pipe through a connecting channel, and the bottom of the connecting channel is obliquely arranged and the height of the connecting channel is gradually reduced from the inner pipe orifice of the water pumping pipe to the water storage chamber.

Through adopting above-mentioned technical scheme, when sample water extracts the interior pipe orifice of drinking-water pipe, store in flowing into the reservoir chamber along the connecting channel of slope because of the separating effect of gravity, utilize the connecting channel of slope to play the drainage effect for the extraction process of sample water is more smooth.

Further setting the following steps: the outer pipe mouth of drinking-water pipe is provided with water supply connector, be provided with the water inlet on the water supply connector, the water inlet level sets up.

Through adopting above-mentioned technical scheme, during water got into the drinking-water pipe through water supply connector, the water that the water inlet level set up and to reduce adjacent high position got into the drinking-water pipe, increased the entering amount of the water level that awaits measuring to promote sampling precision and detection precision.

Further setting the following steps: be provided with the external screw thread on outer orificial outer wall, water supply connector includes connecting pipe and ring channel, the connecting pipe top be provided with thread fit's internal thread, connecting pipe threaded connection is on outer orificial, the ring channel an organic whole sets up in the connecting pipe bottom, be equipped with in the ring channel with the drinking-water pipe coaxial and with the annular channel of connecting pipe intercommunication, the water inlet is provided with a plurality ofly and sets up on the ring channel lateral wall, and a plurality of water inlets are located same level and along annular channel circumference evenly distributed, the connecting pipe is linked together with the annular channel.

Through adopting above-mentioned technical scheme, through the water inlet that circumference distributes, increase the water inlet and the contact surface of the water level that awaits measuring, when the extraction volume is unchangeable for more sample water comes from the water level that awaits measuring, thereby promotes sampling precision and detection precision.

Further setting the following steps: the top and the bottom of annular pipeline all are provided with the annular separation blade coaxial with annular channel, the annular separation blade external diameter is greater than the external diameter of annular pipeline, two form the district of taking out water between the annular separation blade.

Through adopting above-mentioned technical scheme, utilize annular separation blade to block the upper and lower direction of the water level that awaits measuring, when drawing water, the sample water in preferred extraction water extraction district for the water of storing in the reservoir chamber derives from the water level that awaits measuring more, thereby promotes sampling accuracy and detection precision.

To sum up, the utility model discloses following beneficial effect has:

1. the water with three different water level heights can be extracted and sampled simultaneously, so that the trouble of repeatedly cleaning the water pumping pipe and the water storage chamber in multiple times of extraction and multiple times of extraction is avoided;

2. the corresponding piston rod can be separated from the connecting rod by separating the connecting threaded sleeve from the connecting stud, when the connecting rod is pulled to pump water, the piston rod does not move, water is not pumped, and one, two or more piston rods can be selected to pump water and sample according to actual conditions;

3. utilize annular separation blade to block the upper and lower direction of the water level that awaits measuring, when drawing water, the sample water in preferred extraction pumping area for the water of storing in the reservoir chamber derives from the water level that awaits measuring more, thereby promotes sampling precision and detection precision.

Drawings

FIG. 1 is a schematic structural diagram of a water quality stratified sampling apparatus in this embodiment;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at B;

fig. 4 is an enlarged view of fig. 2 at C.

Reference numerals: 1. a fixing plate; 2. a main body; 21. a water outlet; 22. a sealing cover; 23. a connecting channel; 3. a water storage chamber; 4. a water pumping pipe; 41. an inner orifice; 42. an outer pipe orifice; 5. a water pumping piston; 51. a piston rod; 7. a water inlet joint; 71. a connecting pipe; 72. an annular duct; 721. an annular channel; 73. a branch pipe; 74. a water inlet; 8. an annular baffle plate; 81. a water pumping area; 9. a drive member; 91. a connecting rod; 92. connecting a stud; 93. connecting a threaded sleeve; 94. a through hole; 95. an annular groove; 96. an annular snap ring.

Detailed Description

The utility model provides a quality of water layering sample thief, as shown in fig. 1 and fig. 2, including fixed plate 1, set up on fixed plate 1 and along the three sampling unit of 1 length direction distribution of fixed plate, the sampling unit includes main part 2, reservoir chamber 3, drinking-water pipe 4 and follow pumping piston 5, reservoir chamber 3 is seted up inside main part 2, reservoir chamber 3 horizontal cross-section is circular, pumping piston 5 slides along vertical direction and connects in reservoir chamber 3, pumping piston 5's top is fixed with piston rod 51, piston rod 51 is vertical upwards to be set up and wear out main part 2 and fixed plate 1. A water outlet 21 penetrating through the main body 2 to be connected with the outside is arranged on the side wall of the water storage chamber 3, and a sealing cover 22 is connected on the water outlet 21 in a threaded manner.

As shown in fig. 2, the water pumping pipe 4 is fixed in the main body 2, and the bottom end of the water pumping pipe 4 extends downwards to the bottom of the main body 2, an inner pipe 41 is arranged on a part of the side wall of the water pumping pipe 4 inside the main body 2, a connecting channel 23 is arranged on the side wall of the inner pipe 41 and the side wall of the water storage chamber 3, and the bottom of the connecting channel 23 is inclined and the height of the connecting channel is gradually reduced from the inner pipe 41 of the water pumping pipe 4 to the. The height of the connecting channel 23 and the water storage chamber 3 is lower than that of the pumping piston 5.

As shown in fig. 2 and 4, the bottom end of the portion of the pumping tube 4 protruding out of the main body 2 is provided as an outer spout 42. The height positions of the three outer nozzles 42 are sequentially decreased. Be equipped with water supply connector 7 on outer mouth of pipe 42, water supply connector 7 includes connecting pipe 71 and ring pipeline 72, and the vertical setting of connecting pipe 71 and top are equipped with the internal thread, and the outer wall of outer mouth of pipe 42 department is equipped with the external screw thread, thereby connecting pipe 71 passes through external screw thread, internal thread screw-thread fit and connects on outer mouth of pipe 42. The annular pipeline 72 and the connecting pipe 71 are coaxially arranged, a coaxial annular channel 721 is arranged in the annular pipeline 72, a plurality of water inlets 74 which are uniformly distributed along the length direction of the annular pipeline 72 and communicated with the annular channel 721 are formed in the outer wall of the outer side of the annular pipeline 72, the water inlets 74 are arranged outwards along the radial horizontal direction of the annular pipeline 72, a branch pipe 73 is connected to the side wall of the inner side of the annular pipeline 72, the other end of the branch pipe 73 is fixed on the connecting pipe 71, the branch pipe 73 is communicated with the annular channel 721 and the connecting pipe 71, and the branch pipe 73 is radially arranged along the annular pipeline 72 and circumferentially.

As shown in fig. 2 and 4, the top end and the bottom end of the annular duct 72 are both fixed with annular baffles 8 coaxial with the annular passage 721, the outer diameter of the annular baffles 8 is larger than that of the annular duct 72, and a water pumping area 81 is formed between the two annular baffles 8.

As shown in fig. 1 and 3, a driving member 9 is disposed above the fixing plate 1, the driving member 9 includes a connecting rod 91, connecting studs 92 and connecting nuts 93, the connecting studs 92 are fixed on the connecting rod 91 and correspond to the piston rods 51 in number, through holes 94 for the piston rods 51 to upwardly pass through the connecting rod 91 and the connecting studs 92 are formed in the connecting studs 92, the through holes 94 are coaxial with the connecting studs 92, the connecting nuts 93 are one-to-one corresponding to the piston rods 51 and coaxially sleeved on the piston rods 51, the connecting nuts 93 are axially clamped with the piston rods 51 along the piston rods 51, and the connecting nuts 93 are in threaded connection with the connecting studs 92 through which the piston rods 51 pass. The piston rod 51 is provided with an annular groove 95 coaxial with the piston rod 51, the inner wall of the connecting threaded sleeve 93 is provided with an annular snap ring 96, and the width of the annular groove 95 is equal to the sum of the length of the thread meshed with the connecting threaded sleeve 93 and the connecting stud 92 and the thickness of the annular snap ring 96.

When the connecting device is used, at the beginning, the connecting threaded sleeves 93 are in threaded connection with the corresponding connecting threaded studs 92.

The water quality stratified sampling device is placed on the ground near a water source to be detected or held by a hand, so that the water pumping pipe 4 is inserted into the water source to be detected, and the water inlets 74 of the three sampling units are immersed in water and are positioned at three different water level height positions.

When the connecting rod 91 is pulled upwards, the three piston rods 51 rise along with the rising of the connecting rod 91, and simultaneously drive the corresponding pumping pistons 5 to move upwards, so that water enters the annular channel 721 from the water inlet 74 and enters the water storage chamber 3 through the branch pipe 73, the connecting pipe 71 and the pumping pipe 4. After the water pumping is completed, the sealing cover 22 is opened, and the sample water is taken out from the three water outlets 21 respectively.

When a water sample of a single water level or a water sample of any two water levels needs to be pumped, the connecting threaded sleeve 93 corresponding to the water pumping pipe 4 which is not needed to be used is rotated to be separated from the connecting threaded stud 92, and when the connecting rod 91 is pulled, the piston rod 51 cannot move, namely, water is not pumped.

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.

Claims

1. A water quality stratified sampling ware which characterized in that: comprises a fixed plate (1) and a plurality of sampling units arranged on the fixed plate (1), the sampling units all comprise a main body (2), a water storage chamber (3), water pumping pipes (4) and water pumping pistons (5), the water storage chamber (3) is arranged inside the main body (2), an inner pipe orifice (41) of each water pumping pipe (4) is connected with the water storage chamber (3), an outer pipe orifice (42) extends out of the main body (2), a water outlet (21) is formed in the water storage chamber (3), a sealing cover (22) is arranged on the water outlet (21), the water pumping pistons (5) are arranged in the water storage chamber (3) in a sliding mode and are connected with piston rods (51), the heights of the outer pipe orifices (42) of the three sampling units are sequentially reduced, the piston rods (51) of the three sampling units extend upwards and penetrate through the fixing, a driving piece (9) is arranged above the fixing plate (1), and the driving piece (9) is connected with three piston rods (51) in the sampling units at the same time.

2. The water quality stratified sampling apparatus as recited in claim 1, wherein: the driving piece (9) comprises a connecting rod (91), a connecting stud (92) and a connecting threaded sleeve (93), the connecting stud (92) is arranged on the connecting rod (91) and corresponds to the piston rod (51) in quantity, a through hole (94) for the piston rod (51) to upwards penetrate through the connecting rod (91) and the connecting stud (92) is formed in the connecting stud (92), the connecting threaded sleeve (93) and the piston rod (51) are in one-to-one correspondence and are coaxially sleeved on the piston rod (51), the connecting threaded sleeve (93) is axially clamped with the piston rod (51) along the piston rod (51), and the connecting threaded sleeve (93) is in threaded connection with the connecting stud (92) penetrated by the piston rod (51).

3. A water quality stratified sampling apparatus as claimed in claim 2, wherein: the piston rod (51) is provided with an annular groove (95) coaxial with the piston rod (51), the inner wall of the connecting threaded sleeve (93) is provided with an annular clamping ring (96), and the width of the annular groove (95) is larger than or equal to the thickness of the annular clamping ring (96).

4. A water quality stratified sampling apparatus as claimed in claim 3, wherein: the width of the annular groove (95) is less than or equal to the sum of the length of the thread meshed with the connecting screw sleeve (93) and the connecting stud (92) and the thickness of the annular snap ring (96).

5. A water quality stratified sampling apparatus as claimed in claim 2, wherein: the water storage chamber (3) is connected with an inner pipe orifice (41) of the water pumping pipe (4) through a connecting channel (23), the bottom of the connecting channel (23) is obliquely arranged, and the height of the connecting channel is gradually reduced from the inner pipe orifice (41) of the water pumping pipe (4) to the water storage chamber (3) in the oblique direction.

6. The water quality stratified sampling apparatus as recited in claim 1, wherein: the water pumping pipe is characterized in that an outer pipe opening (42) of the water pumping pipe (4) is provided with a water inlet joint (7), a water inlet (74) is formed in the water inlet joint (7), and the water inlet (74) is horizontally arranged.

7. The water quality stratified sampling apparatus as recited in claim 6, wherein: be provided with the external screw thread on the outer wall of outer mouth of pipe (42), water supply connector (7) are including connecting pipe (71) and ring conduit (72), connecting pipe (71) top be provided with external screw thread complex internal thread, connecting pipe (71) threaded connection is on outer mouth of pipe (42), ring conduit (72) an organic whole sets up in connecting pipe (71) bottom, is equipped with in ring conduit (72) with drinking-water pipe (4) coaxial and with ring conduit (721) of connecting pipe (71) intercommunication, water inlet (74) are provided with a plurality ofly and open on ring conduit (72) lateral wall, and a plurality of water inlets (74) are located same level and along ring conduit (721) circumference evenly distributed, connecting pipe (71) are linked together with ring conduit (721).

8. The water quality stratified sampling apparatus as recited in claim 7, wherein: the top end and the bottom end of the annular pipeline (72) are both provided with annular separation blades (8) coaxial with the annular channel (721), the outer diameter of each annular separation blade (8) is larger than that of the annular pipeline (72), and a water pumping area (81) is formed between the annular separation blades (8).