Rotatable permeation sampling device for water quality analyzer

Abstract

The invention discloses a rotatable permeation sampling device for a water quality analyzer, and relates to the technical field of rotary permeation sampling devices, the rotatable permeation sampling device comprises a sampling mechanism, a permeation mechanism and a protection assembly; the sampling mechanism comprises a pump structure and a sampling barrel; the permeation mechanism comprises a permeation structure; the protection assembly comprises a protection structure; the sampling pump, the sampling barrel and the sampling pipe are matched to sample an external water source, the first filtering structure and the second filtering structure are matched to filter the water source entering the sampling barrel, and an auxiliary impeller, a rotating rod, a mounting sleeve, a first fixing rod and a second fixing rod can drive a first cleaning brush and a second cleaning brush; according to the sampling mechanism, impurities adhered to the first filtering structure and the second filtering structure are cleaned, so that the sampling efficiency of the sampling mechanism is improved, and the first filtering structure and the second filtering structure can effectively protect the permeation structure through the arranged sampling barrel.

Description

Technical Field

[0001] The present invention belongs to the field of rotary osmotic sampling devices, and particularly relates to a rotatable osmotic sampling device for a water quality analyzer. Background Art

[0002] A water quality analyzer is an instrument used to detect and analyze water quality parameters. It can quickly and accurately measure various chemical, physical, and biological indicators in water and is widely used in fields such as environmental protection, water resource management, industrial production, and scientific research experiments; an osmotic sampling device utilizes the selective permeability of a semi-permeable membrane. By applying a certain pressure or using a concentration difference, the target substance can penetrate from the sample into the collection container. This device can effectively extract pure target substances from complex or severely polluted samples. During the use of a water quality analyzer, an osmotic sampling device is needed to sample external water sources for water quality detection. Therefore, a rotatable osmotic sampling device for a water quality analyzer is required.

[0003] The existing rotatable osmotic sampling devices for water quality analyzers have certain drawbacks when in use. When the existing rotatable osmotic sampling devices for water quality analyzers are in use, generally, an osmotic membrane is directly installed in the sampling head, and osmotic sampling is carried out through the osmotic membrane. However, during the use process, the osmotic membrane is easily blocked quickly, and the osmotic membrane is easily damaged by sharp impurities in the water source. As a result, the staff needs to frequently clean or replace the osmotic membrane, which cannot meet people's needs. Summary of the Invention

[0004] The present invention aims to solve the technical problems existing in the prior art; for this purpose, the present invention proposes a rotatable osmotic sampling device for a water quality analyzer.

[0005] A rotatable osmotic sampling device for a water quality analyzer, applied to a water quality analyzer, includes: a sampling mechanism, an osmotic mechanism, and a protection component; the sampling mechanism includes a pump structure for introducing external water sources into the interior of the water quality analyzer and a sampling cylinder detachably installed on the pump structure for sampling; the osmotic mechanism includes an osmotic structure detachably installed on the upper inner side of the sampling cylinder for sieving and sampling water sources; the protection component includes a protection structure for rotatably installing the sampling component and cleaning the sampling port of the sampling cylinder. Among them, the pump structure includes a sampling pump and a sampling pipe detachably connected to the sampling pump, and the other end of the sampling pipe is detachably communicated with the sampling cylinder.

[0006] As a further solution of the present invention: the lower end of the water quality analyzer is detachably installed on a mobile vehicle, and a sampling box for placing the sampling mechanism and the protection component is detachably provided on the lower part of the outer wall of the water quality analyzer, and a closable box door is provided on the sampling box.

[0007] As a further solution of the present invention: The sampling mechanism includes several groups of first filtering structures arranged in a circular array at the sampling port, a second filtering structure detachably installed in the upper middle part inside the sampling cylinder, and a cleaning component rotatably installed inside the sampling cylinder for cleaning the first filtering structure and the second filtering structure. The first filtering structure is in an arc shape, and the inner side surface of the first filtering structure fits with the inner side surface of the sampling cylinder. The first filtering structure can preliminarily filter the water source entering the inside of the sampling cylinder. The second filtering structure performs secondary filtering on the water source entering the inside of the sampling cylinder. The cleaning component prevents the first filtering structure and the second filtering structure from being blocked by impurities in the water.

[0008] As a further solution of the present invention: The cleaning component includes a rotating rod respectively rotatably connected to the sampling cylinder and the permeation structure, an auxiliary impeller arranged in the middle part inside the sampling cylinder and driving the rotating rod to rotate by water flow, and a rotating block detachably installed on the rotating rod and rotatably connected to the second filtering structure; The cleaning component further includes a first cleaning brush detachably installed at the lower part of the rotating rod and rotating with the rotating rod to clean impurities on the first filtering structure, and a second cleaning brush attached to the outer surface of the second filtering structure and rotating with the rotating rod to clean impurities on the second filtering structure. The second cleaning brush can be arranged on the upper end surface or the lower end surface of the second filtering structure. The auxiliary impeller can drive the rotating rod to rotate through the flow of water source, and then drive the first cleaning brush and the second cleaning brush to rotate. There are several groups of mounting blocks for fixing the second filtering structure inside the sampling cylinder. Several groups of mounting sleeves are respectively arranged on the rotating rod, and several groups of the mounting sleeves are respectively used for fixing the auxiliary impeller, the first cleaning brush, and the second cleaning brush. First fixing rods detachably fixed to the mounting sleeves are symmetrically arranged on the first cleaning brush, and second fixing rods detachably fixed to the mounting sleeves are installed on the second cleaning brush.

[0009] As a further solution of the present invention: The permeation mechanism further includes a connection seat detachably installed on the upper part of the inner wall of the sampling cylinder and detachably fixed to the permeation structure, a sampling plate rotatably arranged on the upper end surface of the permeation structure for adjusting the permeation of the sampling water source by the permeation structure, and a rotating component for controlling the rotation of the sampling plate; wherein, the permeation structure includes a permeation seat with a circular cross-section structure and several groups of permeation membranes arranged at equal intervals at the lower end of the permeation seat for sampling different water sources; Openings corresponding to the permeation membranes are formed on the sampling plate. Fixing pressing parts for fixing the permeation membranes are detachably arranged on the lower end surface of the permeation seat. The cross-sectional size of the opening is larger than the cross-sectional size of the permeation membrane. The types of several groups of the permeation membranes are different, which is convenient for collecting different enriched samples through the permeation membranes.

[0010] As a further solution of the present invention: The rotating assembly includes an auxiliary structure detachably installed on the lower end surface of the sampling plate to assist the sampling plate in rotating, a first waterproof driving structure detachably installed on the upper end of the sampling plate to control the rotation of the sampling plate, and a lifting structure arranged on the connecting seat to control the up and down movement of the first waterproof driving structure. The lifting structure can control the lifting of the first waterproof driving structure and the limiting structure, so that the limiting structure controls the rotation of the rotating rod or the sampling plate respectively; wherein, a limiting structure inserted and limited with the central part of the sampling plate is installed on the output shaft of the first waterproof driving structure. When the first filtering structure and the second filtering structure are severely blocked, the impurities blocked on the first filtering structure and the second filtering structure can be cleaned by the cooperation of the first waterproof driving structure and the limiting structure to control the rotation of the cleaning assembly; The rotating assembly further includes a connecting block rotatably arranged inside the permeation structure and coaxially connected with the rotating rod; The limiting structure can extend into the inner side of the permeation structure and be inserted and limited with the connecting block; Anti-slip structures are arranged on the lower end surface of the first waterproof driving structure and the upper end surface of the sampling plate and are used in cooperation with each other. The anti-slip structure can limit the sampling plate, and the connecting block is in a cylindrical structure.

[0011] As a further solution of the present invention: The lifting structure includes a connecting ring detachably installed on the outer wall of the first waterproof driving structure, a plurality of groups of connecting rods vertically arranged on the connecting ring, and a lifting ring arranged outside the connecting ring and vertically connected with the connecting rods; The lifting structure further includes a plurality of groups of guide rods vertically installed at the lower end of the lifting ring and slidably connected with the connecting seat, an air extraction structure symmetrically arranged inside the connecting seat and telescopically communicated with the lifting ring, and air storage cavities respectively arranged inside the lifting ring and inside the connecting seat and communicated with the air extraction structure. A sealing ring fitting with the guide rod is arranged on the upper end surface of the connecting seat. The lifting ring is made of a material that is easy to float. When the air extraction structure pumps the gas in the air storage cavity of the lifting ring into the air storage cavity in the connecting seat, the lifting ring and the first waterproof driving structure move vertically downward. On the contrary, the lifting ring and the first waterproof driving structure move vertically upward.

[0012] As a further solution of the present invention: limiting grooves corresponding to the limiting structure are provided in the middle of the sampling plate and on the upper end surface of the connecting block. The auxiliary structure includes two groups of first auxiliary members symmetrically installed on the lower end surface of the sampling plate and respectively arranged on both sides of the limiting groove, and several groups of second auxiliary members arranged in a circular array on the lower end surface of the sampling plate and arranged outside the first auxiliary members. The limiting structure includes a limiting column detachably connected to the output shaft of the first waterproof driving structure and several groups of limiting blocks installed in a circular array on the outer wall of the limiting column. The cross-sectional dimension of the limiting groove is larger than that of the limiting block. Both the first auxiliary member and the second auxiliary member are in the shape of an annular strip. The first auxiliary member and the second auxiliary member cooperate to make the sampling plate fit with the permeation structure. A plurality of groups of first auxiliary grooves and a plurality of groups of second auxiliary grooves are respectively provided on the upper end surface of the permeation structure. The first auxiliary member is slidably arranged in the first auxiliary groove, and the second auxiliary member is slidably arranged in the second auxiliary groove.

[0013] As a further solution of the present invention: the protection structure includes a protection ring seat rotatably connected to the sampling cylinder and several groups of support rods detachably installed at the lower end of the protection ring seat and supporting the protection ring seat; wherein, a support ring is detachably installed at the bottom end of the support rod. The protection ring seat is sleeved outside the sampling cylinder, and the sampling cylinder can rotate on the protection ring seat to adjust the angle of the sampling cylinder. The cooperation of the protection ring seat, the support rod and the support ring can effectively protect the sampling cylinder.

[0014] As a further solution of the present invention: the protection assembly further includes a rotating ring detachably installed at the upper end of the sampling cylinder and fitting with the inner wall of the protection ring seat, an external gear ring detachably installed on the outer wall of the rotating ring and arranged inside the protection ring seat, several groups of gears rotatably arranged inside the protection ring seat and meshing with the external gear ring, and several groups of second waterproof driving structures detachably installed inside the protection ring seat and controlling the rotation of the sampling cylinder through the rotation of the gears. The several groups of second waterproof driving structures are arranged in a circular array outside the external gear ring.

[0015] As a further solution of the present invention: the protection assembly further includes a mounting member detachably provided in the middle of the support rod and a cleaning strip detachably installed on the mounting member and cleaning impurities on the outside of the first filtering structure. The cleaning strip can scrape off the impurities adhered to the outside of the first filtering structure on the sampling cylinder, and the cleaning strip is perpendicular to the outer wall of the first filtering structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] (1) Through the sampling mechanism provided in the present invention, the sampling pump, sampling cylinder, and sampling pipe cooperate to sample external water sources. The first filtering structure and the second filtering structure cooperate to filter the water source entering the interior of the sampling cylinder. The auxiliary impeller, rotating rod, mounting sleeve, first fixing rod, and second fixing rod can drive the first cleaning brush and the second cleaning brush to remove the impurities adhering to the first filtering structure and the second filtering structure, thereby improving the sampling efficiency of the sampling mechanism. Moreover, through the provided sampling cylinder, first filtering structure, and second filtering structure, the permeation structure can be effectively protected.

[0018] (2) Through the permeation mechanism provided in the present invention, the first waterproof driving structure, limiting structure, first auxiliary member, and second auxiliary member cooperate to enable the adjustment of the opening position on the sampling plate, so as to cooperate with the permeation membrane on the permeation structure for permeation sampling. Thus, different permeation membranes can be selected for permeation sampling of different samples without the need to replace the sampling device. The air extraction structure, lifting ring, guide rod, telescopic hose, connecting seat, connecting rod, and connecting ring cooperate to control the vertical and stable lifting of the first waterproof driving structure. The limiting groove, limiting post, and limiting block cooperate to connect the first waterproof driving structure with the connecting block. The first waterproof driving structure, connecting block, and rotating rod cooperate to control the rotation of the first cleaning brush and the second cleaning brush to clean the first filtering structure and the second filtering structure, improving the cleaning efficiency of the cleaning component and preventing the sampling mechanism from being blocked during the sampling process.

[0019] (3) Through the protection component provided in the present invention, the protection ring seat, support rod, and support ring protect the sampling cylinder. The second waterproof driving structure, gear, external tooth ring, and rotating ring can control the forward and reverse rotation of the sampling cylinder inside the protection ring seat, so as to adjust the angle of the sampling cylinder during the sampling process. The support rod, mounting member, and cleaning strip cooperate to scrape off the impurities adhering to the outside of the first filtering structure, and when used in conjunction with the cleaning component, the cleaning efficiency can be improved. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 2 It is a partial structural diagram of the sampling mechanism and the permeation mechanism in the present invention.

[0022] Figure 3 It is a partial structural diagram of the sampling cylinder and the protection component in the present invention.

[0023] Figure 4 It is a partial structural diagram of the second filtering structure in the present invention.

[0024] Figure 5 It is a partial structural diagram of the cleaning component in the present invention.

[0025] Figure 6 This is a partial structure diagram of the first waterproof drive structure and the lifting ring in the present invention.

[0026] Figure 7 This is a partial structure diagram of the penetration structure in the present invention.

[0027] Figure 8 This is a partial structure diagram of the sampling plate in the present invention.

[0028] Figure 9 This is a partial structure diagram of the lifting structure in the present invention.

[0029] Figure 10 This is a partial structure diagram of the protection component in the present invention.

[0030] In the figure: 1, water quality analyzer; 2, pump structure; 3, sampling cylinder; 4, penetration structure; 5, protection structure; 6, first filtration structure; 7, second filtration structure; 8, rotating rod; 9, auxiliary impeller; 10, rotating block; 11, first cleaning brush; 12, second cleaning brush; 13, connecting seat; 14, sampling plate; 15, penetration seat; 16, penetration membrane; 17, opening; 18, auxiliary structure; 19, first waterproof drive structure; 20, connecting ring; 21, limiting structure; 22, connecting block; 23, connecting rod; 24, lifting ring; 25, guide rod; 26, air extraction structure; 27, first auxiliary part; 28, second auxiliary part; 29, limiting groove; 30, protection ring seat; 31, support rod; 32, support ring; 33, anti-slip structure; 34, rotating ring; 35, external gear ring; 36, gear; 37, second waterproof drive structure; 38, mounting part; 39, cleaning strip; 40, sampling pump; 41, sampling pipe; 42, mounting sleeve; 43, first fixing rod; 44, second fixing rod; 45, sealing ring; 46, mobile vehicle; 47, sampling box; 48, mounting block; 49, bottom cover; 50, telescopic hose; 51, fixed pressing part; 52, limiting column; 53, limiting block. Detailed implementation manners

[0031] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] Embodiment 1

[0033] Please refer to Figure 1 - Figure 5, the present application provides a rotatable osmotic sampling device for a water quality analyzer, which is applied to the water quality analyzer 1 and includes: a sampling mechanism, an osmotic mechanism and a protection component; the sampling mechanism includes a pump structure 2 for introducing external water source into the interior of the water quality analyzer 1 and a sampling cylinder 3 detachably installed on the pump structure 2 for sampling; the osmotic mechanism includes an osmotic structure 4 detachably installed on the upper inner side of the sampling cylinder 3 for sieving and sampling the water source; the protection component includes a protection structure 5 for rotatably installing the sampling component and cleaning the sampling port of the sampling cylinder 3. Among them, the pump structure 2 includes a sampling pump 40 and a sampling pipe 41 detachably connected to the sampling pump 40, and the other end of the sampling pipe 41 is detachably communicated with the sampling cylinder 3.

[0034] In the present invention, the lower end of the water quality analyzer 1 is detachably installed on the mobile vehicle 46. The lower part of the outer wall of the water quality analyzer 1 is detachably provided with a sampling box 47 for placing the sampling mechanism and the protection component. The sampling box 47 is provided with a closable box door. The bottom end of the sampling cylinder 3 is provided with a detachable bottom cover 49. The center of the bottom cover 49 is provided with a rotating seat for the rotating rod 8 to rotate. The rotating seat is inserted with the rotating rod 8 to facilitate the cleaning of the sampling cylinder 3.

[0035] In the present invention, the sampling mechanism includes a plurality of groups of first filtering structures 6 circularly arrayed and installed at the sampling port, a second filtering structure 7 detachably installed in the upper middle part of the inner side of the sampling cylinder 3, and a cleaning component rotatably installed inside the sampling cylinder 3 for cleaning the first filtering structure 6 and the second filtering structure 7. The first filtering structure 6 is in an arc structure, and the inner side surface of the first filtering structure 6 fits with the inner side surface of the sampling cylinder 3. The first filtering structure 6 can preliminarily filter the water source entering the interior of the sampling cylinder 3. The second filtering structure 7 performs secondary filtering on the water source entering the interior of the sampling cylinder 3. The cleaning component prevents the first filtering structure 6 and the second filtering structure 7 from being blocked by impurities in the water.

[0036] In the present invention, the cleaning component includes a rotating rod 8 respectively rotatably connected to the sampling cylinder 3 and the permeation structure 4, an auxiliary impeller 9 arranged in the middle inside the sampling cylinder 3 and driving the rotating rod 8 to rotate by water flow, and a rotating block 10 detachably mounted on the rotating rod 8 and rotatably connected to the second filtering structure 7; the cleaning component further includes a first cleaning brush 11 detachably mounted on the lower part of the rotating rod 8 and rotating with the rotating rod 8 to clean impurities on the first filtering structure 6, and a second cleaning brush 12 attached to the outer surface of the second filtering structure 7 and rotating with the rotating rod 8 to clean impurities on the second filtering structure 7. The second cleaning brush 12 can be arranged on the upper end surface or the lower end surface of the second filtering structure 7. The auxiliary impeller 9 can drive the rotating rod 8 to rotate through the flow of water source, and then drive the first cleaning brush 11 and the second cleaning brush 12 to rotate. Inside the sampling cylinder 3, several groups of mounting blocks 48 for fixing the second filtering structure 7 are provided. On the rotating rod 8, several groups of mounting sleeves 42 are respectively provided, and the several groups of mounting sleeves 42 are respectively used for fixing the auxiliary impeller 9, the first cleaning brush 11 and the second cleaning brush 12. On the first cleaning brush 11, first fixing rods 43 detachably fixed to the mounting sleeves 42 are symmetrically arranged, and on the second cleaning brush 12, second fixing rods 44 detachably fixed to the mounting sleeves 42 are mounted.

[0037] In summary, the water quality analyzer 1 is moved to the water area to be sampled through the mobile cart 46, the sampling cylinder 3 is placed into the water area, the sampling pump 40 is started, and water source sampling is carried out through the sampling cylinder 3 and the sampling pipe 41. Several groups of first filtering structures 6 on the sampling cylinder 3 initially filter the water source entering the sampling cylinder 3, and the second filtering structure 7 secondarily filters the water source entering the inside of the sampling cylinder 3. When the water source flows into the sampling pipe 41 through the sampling cylinder 3, the water source drives the auxiliary impeller 9 to rotate, the rotation of the auxiliary impeller 9 drives the rotating rod 8 to rotate, and the rotation of the rotating rod 8 respectively drives the mounting sleeves 42 to drive the first cleaning brush 11 and the second cleaning brush 12 to rotate. The rotation of the first cleaning brush 11 cleans the impurities adhered to the first filtering structure 6, and the second cleaning brush 12 cleans the impurities adhered to the second filtering structure 7.

[0038] Embodiment 2

[0039] Refer to Figure 1 - Figure 9, which is the second embodiment of the present invention. In the present invention, the penetration mechanism further includes a connection seat 13 detachably installed on the upper part of the inner wall of the sampling cylinder 3 and detachably fixed to the penetration structure 4, a sampling plate 14 rotatably arranged on the upper end face of the penetration structure 4 to adjust the penetration sampling water source of the penetration structure 4, and a rotation assembly for controlling the rotation of the sampling plate 14; wherein, the penetration structure 4 includes a penetration seat 15 with a circular cross-sectional structure and several groups of penetration membranes 16 arranged at equal intervals at the lower end of the penetration seat 15 for sampling different water sources; openings 17 corresponding to the penetration membranes 16 are formed on the sampling plate 14, and several groups of fixing pressing members 51 for fixing the penetration membranes 16 are detachably arranged on the lower end face of the penetration seat 15, and the fixing pressing members 51 are fixed by bolts. The cross-sectional dimension of the opening 17 is larger than the cross-sectional dimension of the penetration membrane 16, and the types of several groups of penetration membranes 16 are different, which is convenient for collecting different enriched samples through the penetration membranes 16.

[0040] In the present invention, the rotation assembly includes an auxiliary structure 18 detachably installed on the lower end face of the sampling plate 14 to assist the rotation of the sampling plate 14, a first waterproof driving structure 19 detachably installed on the upper end of the sampling plate 14 to control the rotation of the sampling plate 14, and a lifting structure arranged on the connection seat 13 to control the up and down movement of the first waterproof driving structure 19. The lifting structure can control the lifting of the first waterproof driving structure 19 and the limiting structure 21, so that the limiting structure 21 controls the rotation of the rotating rod 8 or the sampling plate 14 respectively; wherein, a limiting structure 21 inserted and limited with the central part of the sampling plate 14 is installed on the output shaft of the first waterproof driving structure 19. When the first filtering structure 6 and the second filtering structure 7 are seriously blocked, the impurities blocked on the first filtering structure 6 and the second filtering structure 7 can be cleaned by controlling the rotation of the cleaning component through the cooperation of the first waterproof driving structure 19 and the limiting structure 21; the rotation assembly further includes a connection block 22 rotatably arranged inside the penetration structure 4 and coaxially connected with the rotating rod 8; the limiting structure 21 can extend into the inside of the penetration structure 4 and be inserted and limited with the connection block 22; anti-slip structures 33 are arranged on the lower end face of the first waterproof driving structure 19 and the upper end face of the sampling plate 14 and are used in cooperation. The anti-slip structures 33 can limit the sampling plate 14. The anti-slip structures 33 can include two groups of anti-slip rings respectively installed on the sampling plate 14 and the first waterproof driving structure 19, and the connection block 22 has a cylindrical structure.

[0041] When the sampling cylinder 3 is placed in a water source with more impurities or likely to block the sampling cylinder 3 and the sampling cylinder 3 samples, it is necessary to start the first waterproof driving structure 19. When the sampling cylinder 3 is placed in a water source with fewer impurities or not likely to block the sampling cylinder 3, the sampling cylinder 3 can be cleaned by the cleaning component.

[0042] In the present invention, the lifting structure includes a connection ring 20 detachably mounted on the outer wall of the first waterproof driving structure 19, several groups of connecting rods 23 vertically arranged on the connection ring 20, and a lifting ring 24 arranged outside the connection ring 20 and vertically connected to the connecting rods 23; the lifting structure further includes several groups of guide rods 25 vertically mounted at the lower end of the lifting ring 24 and slidably connected to the connection seat 13, an air extraction structure 26 symmetrically arranged inside the connection seat 13 and telescopically connected to the lifting ring 24, and air storage cavities respectively arranged inside the lifting ring 24 and inside the connection seat 13 and communicating with the air extraction structure 26. A sealing ring 45 that fits the guide rods 25 is arranged on the upper end surface of the connection seat 13. The lifting ring 24 is made of a material that is easy to float. A telescopic hose 50 communicating with the lifting ring 24 is arranged on the air extraction structure 26. When the air extraction structure 26 pumps the gas in the air storage cavity of the lifting ring 24 into the air storage cavity in the connection seat 13, the lifting ring 24 and the first waterproof driving structure 19 move vertically downward, and the first waterproof driving structure 19 controls the rotation of the rotating rod 8 through the limiting structure 21, so that, conversely, the lifting ring 24 and the first waterproof driving structure 19 move vertically upward.

[0043] In the present invention, limiting grooves 29 corresponding to the limiting structure 21 are respectively provided in the middle of the sampling plate 14 and on the upper end surface of the connection block 22. The auxiliary structure 18 includes two groups of first auxiliary members 27 symmetrically mounted on the lower end surface of the sampling plate 14 and respectively arranged on both sides of the limiting groove 29, and several groups of second auxiliary members 28 arranged in a circular array on the lower end surface of the sampling plate 14 and arranged outside the first auxiliary members 27. The limiting structure 21 includes a limiting column 52 detachably connected to the output shaft of the first waterproof driving structure 19 and several groups of limiting blocks 53 arranged in a circular array on the outer wall of the limiting column 52. The cross-sectional dimension of the limiting groove 29 is larger than the cross-sectional dimension of the limiting block 53. Both the first auxiliary member 27 and the second auxiliary member 28 are in the shape of an annular strip. The cooperation of the first auxiliary member 27 and the second auxiliary member 28 makes the sampling plate 14 fit the penetration structure 4. Several groups of first auxiliary grooves and several groups of second auxiliary grooves are respectively provided on the upper end surface of the penetration structure 4. The first auxiliary member 27 is slidably arranged in the first auxiliary groove, and the second auxiliary member 28 is slidably arranged in the second auxiliary groove.

[0044] In summary, when the water source entering the sampling cylinder 3 is filtered and a certain enriched sample needs to be collected, the first waterproof driving structure 19 is started to drive the limiting structure 21 to rotate. The limiting structure 21 drives the sampling plate 14 to rotate. The sampling plate 14 drives the first auxiliary member 27 and the second auxiliary member 28 to rotate on the penetration structure 4, so that the sampling plate 14 aligns the opening 17 with the corresponding penetration membrane 16. The sampling pump 40 and the sampling pipe 41 cooperate to enable the sampling cylinder 3 to perform penetration sampling.

[0045] When the sampling cylinder 3 is blocked, the air extraction structure 26 is started, and the gas inside the lifting ring 24 is pumped into the air storage cavity inside the connecting seat 13 through the telescopic hose 50, so that the lifting ring 24 moves downward under the gravity of the first waterproof driving structure 19 and the connecting ring 20, and the limiting structure 21 is separated from the sampling plate 14. The lifting ring 24 drives the guide rod 25 to move on the connecting seat 13. The first waterproof driving structure 19 limits the sampling plate 14 through the anti-slip structure 33. The first waterproof driving structure 19 drives the limiting column 52 to move, inserts the limiting block 53 into the limiting groove 29, so that the limiting structure 21 is connected to the connecting block 22. The first waterproof driving structure 19 is started to drive the connecting block 22 to rotate. The connecting block 22 drives the rotating rod 8 to rotate on the permeation structure 4. The rotating rod 8 drives the first cleaning brush 11 and the second cleaning brush 12 to rotate to clean the first filtering structure 6 and the second filtering structure 7.

[0046] Embodiment III

[0047] Refer to Figure 1 - Figure 3 and Figure 10 This is the third embodiment of the present invention. Among them, the protection structure 5 in the present invention includes a protection ring seat 30 rotatably connected to the sampling cylinder 3 and a plurality of groups of support rods 31 detachably installed at the lower end of the protection ring seat 30 and supporting the protection ring seat 30; wherein, a support ring 32 is detachably installed at the bottom end of the support rod 31, the protection ring seat 30 is sleeved outside the sampling cylinder 3, and the sampling cylinder 3 can rotate on the protection ring seat 30 to adjust the angle of the sampling cylinder 3. The cooperation of the protection ring seat 30, the support rods 31 and the support ring 32 can effectively protect the sampling cylinder 3.

[0048] The protection component in the present invention further includes a rotating ring 34 detachably installed at the upper end of the sampling cylinder 3 and fitting with the inner wall of the protection ring seat 30, an external tooth ring 35 detachably installed on the outer wall of the rotating ring 34 and arranged inside the protection ring seat 30, a plurality of groups of gears 36 rotatably arranged inside the protection ring seat 30 and meshing with the external tooth ring 35, and a plurality of groups of second waterproof driving structures 37 detachably installed inside the protection ring seat 30 and controlling the rotation of the sampling cylinder 3 through the rotation of the gears 36. Both the first waterproof driving structure 19 and the second waterproof driving structure 37 are waterproof motors. A plurality of groups of second waterproof driving structures 37 are arranged in a circular array outside the external tooth ring 35. A rotating shaft rod rotatably connected to the protection ring seat 30 is arranged on the gear 36.

[0049] The protection component in the present invention further includes a mounting member 38 detachably arranged in the middle of the support rod 31 and a cleaning strip 39 detachably installed on the mounting member 38 and cleaning impurities outside the first filtering structure 6. The cleaning strip 39 can scrape off the impurities adhered to the outside of the first filtering structure 6 on the sampling cylinder 3, and the cleaning strip 39 is perpendicularly arranged with the outer wall of the first filtering structure 6.

[0050] In summary, the sampling cylinder 3 is placed in the water area to be sampled, and the protective structure 5 protects the inner sampling cylinder 3. When it is necessary to control the rotation of the sampling cylinder 3, the second waterproof driving structure 37 is started to drive the gear 36 to rotate. The gear 36 drives the external gear ring 35 to rotate, the external gear ring 35 drives the rotating ring 34 to rotate, and the rotating ring 34 drives the sampling cylinder 3 to rotate forward and backward inside the protective ring seat 30. When the sampling cylinder 3 rotates, the cleaning strip 39 on the support rod 31 scrapes off the impurities adhered to the outside of the first filtering structure 6.

[0051] Example 4

[0052] Refer to Figure 1 - Figure 10 , and this example is obtained by combining Example 1, Example 2 and Example 3.

[0053] The sampling pump 40, the sampling cylinder 3 and the sampling pipe 41 cooperate to sample the external water source. The first filtering structure 6 and the second filtering structure 7 cooperate to filter the water source entering the sampling cylinder 3. The auxiliary impeller 9, the rotating rod 8, the mounting sleeve 42, the first fixing rod 43 and the second fixing rod 44 can drive the first cleaning brush 11 and the second cleaning brush 12 to clean the impurities adhered to the first filtering structure 6 and the second filtering structure 7;

[0054] The first waterproof driving structure 19, the limiting structure 21, the first auxiliary member 27 and the second auxiliary member 28 cooperate to enable the adjustment of the position of the opening 17 on the sampling plate 14, so as to cooperate with the permeable membrane 16 on the permeable structure 4 for permeation sampling;

[0055] The air extraction structure 26, the lifting ring 24, the guide rod 25, the telescopic hose 50, the connecting seat 13, the connecting rod 23 and the connecting ring 20 cooperate to control the vertical and stable lifting of the first waterproof driving structure 19. The limiting groove 29, the limiting post 52 and the limiting block 53 cooperate to connect the first waterproof driving structure 19 with the connecting block 22. The first waterproof driving structure 19, the connecting block 22 and the rotating rod 8 cooperate to control the rotation of the first cleaning brush 11 and the second cleaning brush 12 and clean the first filtering structure 6 and the second filtering structure 7;

[0056] The protective ring seat 30, the support rod 31 and the support ring 32 protect the sampling cylinder 3. The second waterproof driving structure 37, the gear 36, the external gear ring 35 and the rotating ring 34 can control the forward and backward rotation of the sampling cylinder 3 inside the protective ring seat 30. The support rod 31, the mounting member 38 and the cleaning strip 39 cooperate to scrape off the impurities adhered to the outside of the first filtering structure 6.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A rotatable osmotic sampling device for a water quality analyzer, applied to a water quality analyzer (1), characterized in that, Comprising: A sampling mechanism, including a pump structure (2) for introducing an external water source into the water quality analyzer (1) and a sampling cylinder (3) detachably mounted on the pump structure (2) for sampling; A permeation mechanism, including a permeation structure (4) detachably mounted on the upper inner side of the sampling cylinder (3) for sieving and sampling the water source; A protection component, including a protection structure (5) for rotatably mounting the sampling component and cleaning the sampling port of the sampling cylinder (3).

2. The rotatable permeation sampling device for a water quality analyzer according to claim 1, characterized in that The sampling mechanism includes a plurality of groups of first filtering structures (6) circularly arrayed and mounted at the sampling port, a second filtering structure (7) detachably mounted at the upper middle part inside the sampling cylinder (3), and a cleaning component rotatably mounted inside the sampling cylinder (3) for cleaning the first filtering structure (6) and the second filtering structure (7).

3. The rotatable osmotic sampling device for a water quality analyzer according to claim 2, characterized in that, The cleaning component includes a rotating rod (8) rotatably connected to the sampling cylinder (3) and the permeation structure (4) respectively, an auxiliary impeller (9) arranged at the middle part inside the sampling cylinder (3) for driving the rotating rod (8) to rotate by water flow, and a rotating block (10) detachably mounted on the rotating rod (8) and rotatably connected to the second filtering structure (7); The cleaning component further includes a first cleaning brush (11) detachably mounted at the lower part of the rotating rod (8) for cleaning impurities of the first filtering structure (6) as the rotating rod (8) rotates, and a second cleaning brush (12) attached to the outer surface of the second filtering structure (7) for cleaning impurities of the second filtering structure (7) as the rotating rod (8) rotates.

4. A rotatable osmotic sampling device for a water quality analyzer according to claim 3, characterized in that, The permeation mechanism further includes a connecting seat (13) detachably mounted on the upper part of the inner wall of the sampling cylinder (3) and detachably fixed to the permeation structure (4), a sampling plate (14) rotatably arranged on the upper end surface of the permeation structure (4) for adjusting the permeation of the sampling water source by the permeation structure (4), and a rotating component for controlling the rotation of the sampling plate (14); Wherein, the permeation structure (4) includes a permeation seat (15) with a circular cross-sectional structure and a plurality of groups of permeation membranes (16) arranged at equal intervals at the lower end of the permeation seat (15) for sampling different water sources; An opening (17) corresponding to the permeation membrane (16) is formed on the sampling plate (14).

5. A rotatable osmotic sampling device for a water quality analyzer, characterized in that, The rotating component includes an auxiliary structure (18) detachably mounted on the lower end surface of the sampling plate (14) for assisting the rotation of the sampling plate (14), a first waterproof driving structure (19) detachably mounted on the upper end of the sampling plate (14) for controlling the rotation of the sampling plate (14), and a lifting structure arranged on the connecting seat (13) for controlling the up and down movement of the first waterproof driving structure (19); Wherein, a limiting structure (21) inserted and limited to the central part of the sampling plate (14) is mounted on the output shaft of the first waterproof driving structure (19); The rotating component further includes a connecting block (22) rotatably arranged inside the permeation structure (4) and coaxially connected to the rotating rod (8); The limiting structure (21) can extend into the inside of the permeation structure (4) and be inserted and limited to the connecting block (22); Anti-slip structures (33) are arranged on the lower end surface of the first waterproof driving structure (19) and the upper end surface of the sampling plate (14) and are used in cooperation with each other.

6. The rotatable permeation sampling device for a water quality analyzer according to claim 5, characterized in that, The lifting structure includes a connecting ring (20) detachably mounted on the outer wall of the first waterproof driving structure (19), several groups of connecting rods (23) vertically arranged on the connecting ring (20), and a lifting ring (24) arranged outside the connecting ring (20) and perpendicularly connected to the connecting rods (23); The lifting structure further includes several groups of guide rods (25) vertically mounted at the lower end of the lifting ring (24) and slidably connected to the connecting seat (13), an air extraction structure (26) symmetrically arranged inside the connecting seat (13) and telescopically connected to the lifting ring (24), and air storage cavities respectively arranged inside the lifting ring (24) and inside the connecting seat (13) and communicated with the air extraction structure (26).

7. A rotatable osmotic sampling device for a water quality analyzer, characterized in that, Limit grooves (29) corresponding to the limiting structure (21) are formed in the middle of the sampling plate (14) and the upper end surface of the connecting block (22). The auxiliary structure (18) includes two groups of first auxiliary members (27) symmetrically mounted on the lower end surface of the sampling plate (14) and respectively arranged on both sides of the limit groove (29), and several groups of second auxiliary members (28) arranged in a circular array on the lower end surface of the sampling plate (14) and arranged outside the first auxiliary members (27).

8. A rotatable permeation sampling device for a water quality analyzer according to claim 2, characterized in that, The protection structure (5) includes a protection ring seat (30) rotatably connected to the sampling cylinder (3), and several groups of support rods (31) detachably mounted at the lower end of the protection ring seat (30) and supporting the protection ring seat (30); Wherein, a support ring (32) is detachably mounted at the bottom end of the support rod (31).

9. The rotatable osmotic sampling device for a water quality analyzer according to claim 8, characterized in that, The protection component further includes a rotating ring (34) detachably mounted on the upper end of the sampling cylinder (3) and fitting against the inner wall of the protection ring seat (30), an external gear ring (35) detachably mounted on the outer wall of the rotating ring (34) and arranged inside the protection ring seat (30), several groups of gears (36) rotatably arranged inside the protection ring seat (30) and meshing with the external gear ring (35), and a second waterproof driving structure (37) detachably mounted inside the protection ring seat (30) and controlling the rotation of the sampling cylinder (3) through the rotation of the gears (36).

10. A rotatable osmotic sampling device for a water quality analyzer according to claim 8, characterized in that, The protection component further includes a mounting member (38) detachably arranged in the middle of the support rod (31), and a cleaning strip (39) detachably mounted on the mounting member (38) and cleaning impurities outside the first filtering structure (6).

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