CN217059474U

CN217059474U - Sampling device for water quality testing

Info

Publication number: CN217059474U
Application number: CN202220441759.3U
Authority: CN
Inventors: 孙花; 于朋; 唐窈窈; 李顺良; 蒋开拓; 刘桂伊
Original assignee: Shandong Hancheng Testing Technology Co ltd
Current assignee: Shandong Hancheng Testing Technology Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-26
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses a sampling device for water quality testing, including base and the sampler barrel of setting in the base top, the bottom of sampler barrel sets up for the opening, the top right side fixed mounting of base has electric telescopic handle, and electric telescopic handle's output shaft left end fixed mounting has L shape frame, installs rolling hoist mechanism on the top inner wall of L shape frame, rolling hoist mechanism is including seting up the square groove on L shape frame top inner wall. The utility model relates to a rationally, through carrying out the shutoff to the water inlet before the sampling, the mode that the remote control was opened when the sampling can realize the purpose of depthkeeping sample, compression spring and the sealed matched with mode that fills up improve the shutoff stability, can effectively avoid shifting up the phenomenon that in-process upper water passes through the water inlet and gets into in the sampler barrel, realize the stability of depthkeeping sample, reduce the phenomenon that multilayer water mixes and cause the influence to the testing result, satisfy the user demand.

Description

Sampling device for water quality testing

Technical Field

The utility model relates to a sampling equipment technical field especially relates to a sampling device for water quality testing.

Background

Water is a source of life, people can not leave water in life and production activities, the quality of the water of drinking water is closely related to the health of people, along with the development of social economy, scientific progress and improvement of the living standard of people, the requirement of people on the quality of the drinking water is continuously improved, the standard of the quality of the drinking water is correspondingly continuously developed and perfected, a device required for detecting the water quality is required, and a sampling device is required to sample the water quality before detection;

because the degree of depth of water is different, the material that consequently the aquatic contains also is different, current water quality testing sampling device, it exists and is not convenient for carry out depthkeeping sample to the water of the different degree of depth, current the most adopts the sampling tube to take a sample, the sampling tube is at the in-process of rebound, the water that appears upper portion easily sneaks into in the sampling tube, the water sample that makes the acquisition is mixing water from top to bottom, and then cause the influence to the detection of quality of water, can not satisfy the user demand, therefore we have proposed a sampling device for water quality testing and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sampling device for water quality detection.

In order to realize the purpose, the utility model adopts the following technical scheme:

a sampling device for water quality detection comprises a base and a sampling tube arranged above the base, wherein the bottom of the sampling tube is arranged in an opening manner, an electric telescopic rod is fixedly arranged at the right side of the top of the base, an L-shaped frame is fixedly arranged at the left end of an output shaft of the electric telescopic rod, a winding and lifting mechanism is arranged on the inner wall of the top of the L-shaped frame, the winding and lifting mechanism comprises a square groove arranged on the inner wall of the top of the L-shaped frame, a first driving motor is embedded on the inner wall of the right side of the square groove, a winding roller is fixedly arranged at the left end of an output shaft of the first driving motor, the left end of the winding roller and the inner wall of the left side of the square groove are rotatably arranged, a pull rope is wound on the outer side of the winding roller, the bottom end of the pull rope is fixedly connected with the top of the sampling tube, a balancing weight is fixedly arranged at the bottom of the sampling tube, and a water level sensor for detecting the depth in deep water is embedded at the bottom of the balancing weight, the water level sensor is connected with a display terminal installed on the base through a wireless mode, the detection end of the water level sensor extends to the lower portion of the balancing weight, a water inlet is formed in the bottom of the balancing weight, a filter screen is fixedly installed in the water inlet, and a plugging mechanism for plugging the water inlet is installed on the balancing weight.

Preferably, shutoff mechanism is including setting up the lifter plate in the balancing weight top, and the right side fixed mounting of lifter plate has the rectangular plate, the mounting groove has been seted up to the bottom of balancing weight, and fixed mounting has the second driving motor on the top inner wall of mounting groove, fixed mounting has the battery on the left side inner wall of mounting groove, and the right side fixed mounting of second driving motor has wireless remote control switch, first rectangular channel has been seted up at the top of balancing weight, and the top of second driving motor output shaft extends to first rectangular channel and fixed mounting has the threaded rod, and the threaded sleeve is equipped with the lifter of rectangle structure on the threaded rod, and four sides in the outside of lifter are respectively with one side inner wall sliding contact that first rectangular channel corresponds, the top of lifter and the bottom fixed connection of rectangular plate, the bottom fixed mounting of lifter plate has flexible sealing mechanism.

Preferably, elastic sealing mechanism is including seting up at the second rectangular channel of lifter plate bottom, a plurality of compression spring that are in compression state of fixedly connected with on the top inner wall of second rectangular channel, slidable mounting has the shutoff board between the both sides inner wall of second rectangular channel, the top of shutoff board and a plurality of compression spring's bottom fixed connection, the bottom fixed mounting of shutoff board has two guide bars, and the balancing weight sliding sleeve is established on two guide bars, the bottom of shutoff board is fixed to bond has sealed the pad, and sealed fixed cover is established on two guide bars, and the bottom of sealed pad closely laminates with the top of balancing weight, and sealed pad cooperatees with the water inlet.

Preferably, a first sealing bearing is fixedly mounted on the inner wall of the left side of the square groove, the inner side of an inner ring of the first sealing bearing is fixedly sleeved with the outer side of the winding roller, a through hole is formed in the inner wall of the top of the mounting groove, a second sealing bearing is fixedly mounted in the through hole, and the inner ring of the second sealing bearing is fixedly sleeved with the outer side of an output shaft of a second driving motor.

Preferably, the storage battery is electrically connected with the second driving motor, the wireless remote control switch is electrically connected with the second driving motor, and the wireless remote control switch is provided with an external remote controller in a matching manner.

Preferably, the bottom of the lifting rod is provided with a thread groove matched with the thread of the threaded rod.

Preferably, two guide ways are seted up at the top of balancing weight, in the bottom of guide bar extended to the guide way that corresponds, the outside of guide bar and the inner wall sliding contact of the guide way that corresponds.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model relates to a rationally, through carrying out the shutoff to the water inlet before the sampling, the mode that the remote control was opened when the sampling can realize the purpose of depthkeeping sample, compression spring and the sealed matched with mode that fills up improve the shutoff stability, can effectively avoid shifting up the phenomenon that in-process upper water passes through the water inlet and gets into the sampler barrel, realize the stability of depthkeeping sample, reduce the phenomenon that multilayer water mixes and causes the influence to the testing result, satisfy the user demand.

Drawings

Fig. 1 is a schematic structural view of a sampling device for water quality detection provided by the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 100. a base; 101. a sampling tube; 1. an L-shaped frame; 2. a square groove; 3. a winding roller; 4. pulling a rope; 5. a first drive motor; 6. a balancing weight; 7. a rectangular plate; 8. a lifting rod; 9. a threaded rod; 10. a second drive motor; 11. a guide rod; 12. a filter screen; 13. a water inlet; 14. a water level sensor; 15. a lifting plate; 16. a compression spring; 17. a plugging plate; 18. a second rectangular slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a sampling device for water quality testing comprises a base 100 and a sampling cylinder 101 arranged above the base 100, wherein the bottom of the sampling cylinder 101 is provided with an opening, four corners of the bottom of the base 100 are respectively provided with a movable wheel in a rotating manner, the base 100 moves through the movable wheels, the right side of the top of the base 100 is fixedly provided with an electric telescopic rod, the left end of an output shaft of the electric telescopic rod is fixedly provided with an L-shaped frame 1, and the inner wall of the top of the L-shaped frame 1 is provided with a winding lifting mechanism;

the winding and lifting mechanism comprises a square groove 2 arranged on the inner wall of the top of an L-shaped frame 1, a first driving motor 5 is embedded on the inner wall of the right side of the square groove 2, a motor fixing groove for fixedly installing the first driving motor 5 is formed on the inner wall of the right side of the square groove 2, a winding roller 3 is fixedly installed at the left end of an output shaft of the first driving motor 5, the left end of the winding roller 3 is rotatably installed with the inner wall of the left side of the square groove 2, a first sealing bearing is fixedly installed on the inner wall of the left side of the square groove 2, the inner side of an inner ring of the first sealing bearing is fixedly sleeved with the outer side of the winding roller 3, the winding roller 3 is rotatably installed on the inner wall of the left side of the square groove 2 through the first sealing bearing, a pull rope 4 is wound on the outer side of the winding roller 3, the bottom end of the pull rope 4 is fixedly connected with the top of a sampling cylinder 101, a balancing weight 6 is fixedly installed at the bottom of the sampling cylinder 101, a water level sensor 14 for detecting the depth in deep water is arranged at the bottom of the balancing weight 6, the water level sensor 14 is connected with a display terminal installed on the base 100 in a wireless mode, the display terminal automatically controls the first driving motor 5 to pause after the water level sensor 14 reaches a set depth, a detection end of the water level sensor 14 extends to the position below the balancing weight 6, a water inlet 13 is formed in the bottom of the balancing weight 6, a filter screen 12 is fixedly installed in the water inlet 13, and a blocking mechanism for blocking the water inlet 13 is installed on the balancing weight 6;

the plugging mechanism comprises a lifting plate 15 arranged above a balancing weight 6, a rectangular plate 7 is fixedly arranged on the right side of the lifting plate 15, a mounting groove is formed in the bottom of the balancing weight 6, a second driving motor 10 is fixedly arranged on the inner wall of the top of the mounting groove, a storage battery is fixedly arranged on the inner wall of the left side of the mounting groove, the same sealing plate is fixedly arranged on the inner walls of the four sides of the mounting groove and used for sealing the second driving motor 10 and the storage battery, the storage battery is electrically connected with the second driving motor 10 and supplies power to the second driving motor 10, a wireless remote control switch is fixedly arranged on the right side of the second driving motor 10 and electrically connected with the second driving motor 10 and controls the second driving motor 10 to be opened and closed, an external remote controller is arranged on the wireless remote control switch in a matching manner, a first rectangular groove is formed in the top of the balancing weight 6, the top end of the output shaft of the second driving motor 10 extends into the first rectangular groove and is fixedly provided with a threaded rod 9, wherein the inner wall of the top of the mounting groove is provided with a through hole, a second sealed bearing is fixedly arranged in the through hole, the inner ring of the second sealed bearing is fixedly sleeved with the outer side of the output shaft of a second driving motor 10, the output shaft of the second driving motor 10 is rotatably arranged in the through hole through the second sealed bearing, a lifting rod 8 with a rectangular structure is sleeved on the threaded rod 9 through a thread, the bottom of the lifting rod 8 is provided with a thread groove in threaded fit with the threaded rod 9, the lifting rod 8 is sleeved on the threaded rod 9 through the thread groove and threads, four outer sides of the lifting rod 8 are in sliding contact with the inner wall of one side corresponding to the first rectangular groove respectively, the top of the lifting rod 8 extends to the upper side of the balancing weight 6 and is fixedly connected with the bottom of the rectangular plate 7, and the bottom of the lifting plate 15 is fixedly provided with an elastic sealing mechanism;

the elastic sealing mechanism comprises a second rectangular groove 18 arranged at the bottom of the lifting plate 15, a plurality of compression springs 16 in a compression state are fixedly connected on the inner wall of the top of the second rectangular groove 18, a plugging plate 17 is slidably arranged between the inner walls of two sides of the second rectangular groove 18, sliding grooves are respectively arranged on the inner walls of the left side and the right side of the second rectangular groove 18, sliding blocks in sliding fit with the corresponding sliding grooves are respectively fixedly arranged on the left side and the right side of the plugging plate 17, the front side and the rear side of the plugging plate 17 are respectively in sliding contact with the inner wall of the front side and the inner wall of the rear side of the second rectangular groove 18, the top of the plugging plate 17 is fixedly connected with the bottom ends of the plurality of compression springs 16, two guide rods 11 are fixedly arranged at the bottom of the plugging plate 17, a balancing weight 6 is slidably sleeved on the two guide rods 11, wherein the top of the balancing weight 6 is provided with two guide grooves, the bottom ends of the guide rods 11 extend into the corresponding guide grooves, the outer sides of the guide rods 11 are in sliding contact with the inner walls of the corresponding guide grooves, the balancing weight 6 is sleeved on the guide rods 11 through the guide grooves in a sliding manner, sealing gaskets are fixedly bonded at the bottom of the sealing plates 17 and are fixedly sleeved on the two guide rods 11, two through holes are formed in the tops of the sealing gaskets, the inner walls of the through holes are fixedly connected with the outer sides of the corresponding guide rods 11, the sealing gaskets are fixedly sleeved on the two guide rods 11 through the two through holes, the bottoms of the sealing gaskets are tightly attached to the top of the balancing weight 6, and the sealing gaskets are matched with the water inlet 13. the utility model has the advantages of reasonable design, the purpose of depth-fixed sampling can be realized by plugging the water inlet 13 before sampling and opening the sampling by remote control, the compression spring 16 and the sealing gaskets are matched, the sealing stability is improved, and the phenomenon that upper water enters the sampling cylinder 101 through the water inlet 13 in the upward moving process can be effectively avoided, realize the stability of depthkeeping sample, reduce the phenomenon that multilayer water mixes and causes the influence to the testing result, satisfy the user demand.

The working principle is as follows: when the whole device is moved to a proper position through four moving wheels for sampling, firstly, the electric telescopic rod is started in a forward direction, the electric telescopic rod drives the winding roller 3 to move to the left position through the matching of the L-shaped frame 1 and the first driving motor 5, the winding roller 3 drives the sampling cylinder 101 to move to the left through the pull rope 4 until the sampling cylinder 101 moves to the proper position in the left direction, the electric telescopic rod is suspended, the first driving motor 5 is started in the forward direction, the first driving motor 5 drives the winding roller 3 to rotate, the winding roller 3 rotates and releases the pull rope 4, at the moment, under the action of gravity, the counterweight block 6 drives the sampling cylinder 101 and the water level sensor 14 to move downwards, after the sampling cylinder 101 moves into water, because the blocking plate 17 blocks the water inlet 13, the phenomenon that upper water enters the sampling cylinder 101 through the water inlet 13 cannot occur in the moving process, the water level sensor 14 detects the depth of the water level sensor in the deep water in real time, when the water level sensor 14 detects that the sampling cylinder 101 moves downwards to a preset depth, the water level sensor 14 transmits a signal to the display terminal, the display terminal displays the depth information of the water level, meanwhile, after the water level sensor 14 reaches the set depth, the display terminal automatically controls the first driving motor 5 to pause, a person controls the wireless remote control switch through an external remote controller to control the second driving motor 10 to start in the forward direction, the second driving motor 10 drives the threaded rod 9 to rotate, under the action of a threaded groove arranged on the lifting rod 8, the threaded rod 9 rotates to enable the lifting rod 8 to slide upwards in the first rectangular groove, the lifting rod 8 drives the rectangular plate 7 to move upwards, the rectangular plate 7 drives the lifting plate 15 to move upwards, and the lifting plate 15 sequentially drives the compression spring 16, the blocking plate 17 and the sealing gasket to move upwards, the sealing plate 17 drives the two guide rods 11 to respectively move upwards along the corresponding guide grooves, the sealing gasket moves upwards and simultaneously removes the sealing of the water inlet 13, at the moment, water passes through the filter screen 12 and enters the sampling cylinder 101, standing for ten seconds is carried out, so that the water fully enters the sampling cylinder 101, then the second driving motor 10 is reversely started, the movement process of the second driving motor 10 is opposite to the movement process of the second driving motor 10 which is started in the forward direction, the lifting plate 15 is changed into downward movement, the lifting plate 15 sequentially drives the compression spring 16, the sealing plate 17 and the sealing gasket to move downwards, when the bottom of the sealing gasket is contacted with the top of the balancing weight 6, the sealing gasket and the sealing plate 17 are limited to continue to move, the lifting plate 15 which continues to move at the moment compresses the compression spring 16, when the compression degree of the compression spring 16 is adjusted according to actual needs, the second driving motor 10 is stopped, under the action of the elastic force of the compression spring 16, the compression spring 16 can always provide downward extrusion force for the plugging plate 17, and then the plugging plate 17 drives the sealing gasket to always be in close contact with the top of the balancing weight 6, so that the plugging effect is improved, the phenomenon that water at other depths seeps into the sampling cylinder 101 is effectively reduced, and the stability of fixed-depth sampling is realized;

after sampling is finished, the first driving motor 5 is started reversely to drive the winding roller 3 to wind the pull rope 4, under the rolling force, the sampling tube 101 and the counterweight 6 gradually move upwards until the sampling tube 101 rises to a proper height, the first driving motor 5 is paused, then the electric telescopic rod drives the sampling tube 101 to move rightwards to a proper position, at the moment, the electric telescopic rod is paused, when the collected water sample needs to be taken out, a person places the external water receiving measuring cylinder below the balancing weight 6, starts the second driving motor 10 in the forward direction again, make 15 drive plugging plate 17 of lifter plate and sealed the pad and shift up once more and remove the shutoff to water inlet 13, the water sample that gains this moment originally flows into outside water receiving graduated flask through water inlet 13 downwards in, collects the water sample, can detect the water sample of gathering through water quality testing appearance.

In the description of the present application, it should be noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected" and "connected" should be construed broadly, and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediary, and a communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A sampling device for water quality detection comprises a base (100) and a sampling cylinder (101) arranged above the base (100), wherein the bottom of the sampling cylinder (101) is arranged in an opening manner, and is characterized in that an electric telescopic rod is fixedly arranged on the right side of the top of the base (100), an L-shaped frame (1) is fixedly arranged on the left side of an output shaft of the electric telescopic rod, a winding lifting mechanism is arranged on the inner wall of the top of the L-shaped frame (1), the winding lifting mechanism comprises a square groove (2) formed in the inner wall of the top of the L-shaped frame (1), a first driving motor (5) is embedded on the inner wall of the right side of the square groove (2), a winding roller (3) is fixedly arranged on the left side of the output shaft of the first driving motor (5), the left end of the winding roller (3) is rotatably arranged with the inner wall of the left side of the square groove (2), and a pull rope (4) is wound on the outer side of the winding roller (3), the bottom of stay cord (4) and the top fixed connection of sampler barrel (101), the bottom fixed mounting of sampler barrel (101) has balancing weight (6), and the bottom of balancing weight (6) is inlayed and is equipped with one and is used for carrying out water level sensor (14) that detect deep into the water interior degree of depth, and water level sensor (14) install the display terminal on base (100) through wireless connection, and the detection end of water level sensor (14) extends to the below of balancing weight (6), water inlet (13) have been seted up to the bottom of balancing weight (6), and water inlet (13) internal fixed mounting has filter screen (12), install a shutoff mechanism that carries out the shutoff to water inlet (13) on balancing weight (6).

2. The sampling device for water quality detection according to claim 1, wherein the plugging mechanism comprises a lifting plate (15) arranged above the counterweight block (6), a rectangular plate (7) is fixedly arranged on the right side of the lifting plate (15), a mounting groove is formed in the bottom of the counterweight block (6), a second driving motor (10) is fixedly arranged on the inner wall of the top of the mounting groove, a storage battery is fixedly arranged on the inner wall of the left side of the mounting groove, a wireless remote control switch is fixedly arranged on the right side of the second driving motor (10), a first rectangular groove is formed in the top of the counterweight block (6), the top end of an output shaft of the second driving motor (10) extends into the first rectangular groove and is fixedly provided with a threaded rod (9), a lifting rod (8) with a rectangular structure is sleeved on the threaded rod (9), and four outer sides of the lifting rod (8) are respectively in sliding contact with the inner wall of one side corresponding to the first rectangular groove, the top of lifter (8) extends to the top of balancing weight (6) and with the bottom fixed connection of rectangular plate (7), the bottom fixed mounting of lifter plate (15) has elastic sealing mechanism.

3. The sampling device for water quality detection according to claim 2, wherein the elastic sealing mechanism comprises a second rectangular groove (18) formed at the bottom of the lifting plate (15), a plurality of compression springs (16) in a compressed state are fixedly connected to the inner wall of the top of the second rectangular groove (18), a plugging plate (17) is slidably mounted between the inner walls of two sides of the second rectangular groove (18), the top of the plugging plate (17) is fixedly connected with the bottom ends of the compression springs (16), two guide rods (11) are fixedly mounted at the bottom of the plugging plate (17), the counterweight block (6) is slidably sleeved on the two guide rods (11), a sealing gasket is fixedly bonded to the bottom of the plugging plate (17), the sealing gasket is fixedly sleeved on the two guide rods (11), and the bottom of the sealing gasket is tightly attached to the top of the counterweight block (6), the sealing gasket is matched with the water inlet (13).

4. The sampling device for water quality detection according to claim 2, wherein a first sealing bearing is fixedly installed on the inner wall of the left side of the square groove (2), the inner side of the inner ring of the first sealing bearing is fixedly sleeved with the outer side of the winding roller (3), a through hole is formed in the inner wall of the top of the installation groove, a second sealing bearing is fixedly installed in the through hole, and the inner ring of the second sealing bearing is fixedly sleeved with the outer side of the output shaft of the second driving motor (10).

5. The sampling device for water quality detection according to claim 2, wherein the storage battery is electrically connected with the second driving motor (10), the wireless remote control switch is electrically connected with the second driving motor (10), and the wireless remote control switch is provided with an external remote controller in a matching manner.

6. The sampling device for water quality detection according to claim 2, wherein the bottom of the lifting rod (8) is provided with a thread groove which is in thread fit with the threaded rod (9).

7. A sampling device for water quality detection according to claim 3, wherein the top of the counterweight block (6) is provided with two guide grooves, the bottom ends of the guide rods (11) extend into the corresponding guide grooves, and the outer sides of the guide rods (11) are in sliding contact with the inner walls of the corresponding guide grooves.