CN111323270B - A sewage extraction element for water quality testing - Google Patents

A sewage extraction element for water quality testing Download PDF

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Publication number
CN111323270B
CN111323270B CN202010010874.0A CN202010010874A CN111323270B CN 111323270 B CN111323270 B CN 111323270B CN 202010010874 A CN202010010874 A CN 202010010874A CN 111323270 B CN111323270 B CN 111323270B
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China
Prior art keywords
fixedly connected
box
rod
magnetic sheet
transmission
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CN202010010874.0A
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CN111323270A (en
Inventor
张蒙蒙
王利明
曲宣彰
孟小嵩
尹维翰
赵玉慧
宋文鹏
姜锡仁
高磊
李玲玲
李琴
杨帆
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NORTH CHINA SEA ENVIRONMENTAL MONITORING CENTER OF STATE OCEANIC ADMINISTRATION
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NORTH CHINA SEA ENVIRONMENTAL MONITORING CENTER OF STATE OCEANIC ADMINISTRATION
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Priority to CN202010010874.0A priority Critical patent/CN111323270B/en
Publication of CN111323270A publication Critical patent/CN111323270A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/16Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a sewage extraction device for water quality detection, which belongs to the technical field of water quality detection equipment and comprises a substrate, wherein a driving rod and a transmission rod are rotatably connected to the substrate, the top ends of the driving rod and the transmission rod are both positioned above the substrate, a rotating handle is fixedly connected to the top end of the driving rod, a driving chain wheel is fixedly connected to the driving rod, a transmission chain wheel is fixedly connected to the top end of the transmission rod, the driving chain wheel and the transmission chain wheel are in transmission connection through a chain, threaded rods are fixedly connected to the bottom ends of the driving rod and the transmission rod, a collection box A, a collection box B and a collection box C are slidably connected to the lower portion of the substrate, and the collection box A, the collection box B and the collection box C are sequentially arranged from top to bottom. The invention solves the problem that the existing sewage extraction device for water quality detection is inconvenient in sewage sampling, and has the characteristics of convenient operation and strong practicability.

Description

A sewage extraction element for water quality testing
Technical Field
The invention relates to the technical field of water quality detection equipment, in particular to a sewage extraction device for water quality detection.
Background
Water is a source of life, people can not leave water in life and production activities, and the quality of drinking water is closely related to the health of people. With the development of social economy, scientific progress and improvement of the living standard of people, the requirements of people on the water quality of drinking water are continuously improved, and the water quality standard of the drinking water is correspondingly continuously developed and improved. Because the formulation of the water quality standard of the drinking water is related to various factors such as living habits, cultures, economic conditions, scientific and technical development level, water resources and the current situation of the water quality of the water resources, and the like of people, the requirements on the water quality of the drinking water are different not only among countries but also among different regions of the same country.
Sewage water quality testing will all take a sample sewage, generally takes a sample the water on top layer to sewage sample at present, can't take a sample the water of the different degree of depth in the deep-entry water, has sewage to draw the shortcoming that difficulty, detection stability are poor, the accuracy is low.
In view of the above problems, the invention of publication No. CN106872216B discloses a sampling device for detecting quality of sewage, which solves the above problems.
However, the patent has the following problems in practical application:
1. sewage extraction cannot be adjusted according to the actual depth of the water source.
2. Simultaneous sampling at different depths cannot be achieved, resulting in inconvenience in the sampling process. Therefore, it is necessary to design a sewage extraction device for water quality detection. In addition, in the portable water quality sampling device for realizing different depths in the prior art, the sampling cavity after the sampling cavity needs to be set with the depth to be retracted and lowered to the target position is opened by two action transmission mechanisms to finish the sampling actions after depth control and depth determination respectively, so that the operation coordination requirement is high, the structure is complex, the reliability is low, and in addition, in the water outlet process after sampling is finished, the sample moisture in the sampling cavity is easy to be subjected to water impact mixing and distortion at different depths in the rising process.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the current sewage extraction device for water quality testing has inconvenient problem when the sewage sample.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sewage extraction device for water quality detection comprises a substrate, wherein a driving rod and a transmission rod are rotatably connected to the substrate, the top ends of the driving rod and the transmission rod are positioned above the substrate, a rotating handle is fixedly connected to the top end of the driving rod, a driving sprocket is fixedly connected to the driving rod, a transmission sprocket is fixedly connected to the top end of the transmission rod, the driving sprocket is in transmission connection with the transmission sprocket through a chain, threaded rods are fixedly connected to the bottom ends of the driving rod and the transmission rod, a collection box A, a collection box B and a collection box C are slidably connected to the lower portion of the substrate, the collection box A, the collection box B and the collection box C are sequentially arranged from top to bottom, two nuts A in threaded connection with the threaded rods are symmetrically fixed on the collection box A, and nuts B in threaded connection with the two threaded rods are symmetrically fixed on the collection box C, two lantern rings for rotatably connecting threaded rods are symmetrically fixed on the collecting box B, a sliding rod is inserted on the base plate in a sliding mode, a pressing handle is fixedly installed at the top end of the sliding rod, a movable magnetic sheet B is fixedly connected to the bottom end of the sliding rod, a movable magnetic sheet C is adsorbed at the bottom of the movable magnetic sheet B, an installation rod is fixedly connected to the bottom end of the movable magnetic sheet C, a socket for inserting the installation rod is fixedly installed on the collecting box C, sleeve seats for slidably inserting the installation rod are fixed on the collecting box A and the fixed magnetic sheet B, collecting cavities are formed in the collecting box A, the collecting box B and the collecting box C, a transmission lead screw is rotatably connected in the collecting cavities, a sealing sliding ring is sleeved on the transmission lead screw in a threaded mode, water inlets communicated with the collecting cavities are formed in the collecting box A, the collecting box B and the collecting box C, and one end of the transmission lead screw extends out of the collecting cavities after penetrating through the water inlets, the extension end of the transmission screw rod is fixedly connected with a transmission gear, the parts of the installation rod, which are positioned on the collecting box A, the collecting box B and the collecting box C, are fixedly connected with transmission bars, and one side of each transmission bar is fixedly provided with a rack which is meshed and connected with the transmission gear.
Preferably, two mounting bearings are symmetrically fixed on the top of the base plate, and the two mounting bearings are respectively and rotatably connected with the driving rod and the transmission rod.
Preferably, the slide bar is fixedly connected with a movable magnetic sheet A, the top of the base plate is fixedly connected with a fixed magnetic sheet A matched with the movable magnetic sheet A, the bottom of the base plate is fixedly connected with a fixed magnetic sheet B, the slide bar is inserted in the fixed magnetic sheet A and the fixed magnetic sheet B in a sliding mode, and the fixed magnetic sheet B is located above the movable magnetic sheet B.
Preferably, collect box A, collect box B and collect and all fixedly connected with protecting crust on the box C, be provided with in the protecting crust and place the chamber, drive gear is located and places the intracavity, just the opening that communicates with placing the chamber is seted up at the top of protecting crust, the transmission strip passes the opening and extends to placing the intracavity.
Preferably, the bottom end of each threaded rod is fixedly connected with a base.
Preferably, the concave spread groove that is equipped with in top of socket, it has the spring to slide in the spread groove to peg graft, the bottom of installation pole extend to in the spread groove and with spacing slider fixed connection, the spread groove is the notch cuttype groove, the bottom fixedly connected with spring of spread groove, spacing slider and spring fixed connection.
Preferably, a sealing ring is fixedly installed on one side, close to the water inlet, of the sealing slip ring, and the sealing ring is made of rubber.
Preferably, two guide rods are symmetrically fixed in the collection cavity, and two guide sleeves which are sleeved on the guide rods in a sliding manner are symmetrically fixed on the sealing slip ring.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the starting mechanisms of the depth control and the sampling actions are integrated into different actions of the same separable magnetic attraction part, so that the transmission structure is simplified, the operation coordination difficulty is simplified, and the part can prevent the water in the sampling cavity from being distorted due to impact and mixing of water flows at different depths in the rising process.
2. According to the invention, through the matching of the collecting box A, the collecting box B and the collecting box C, the surface, the bottom layer and the middle part of the sewage are sampled, the sampling process is simple and convenient, the sampling operation is in place in one step, and the sampling time is saved, so that the sampling efficiency of workers is improved;
3. the distance between the collecting box A and the collecting box C is adjusted by rotating the handle, the driving rod, the driving chain wheel, the transmission rod, the threaded rod, the nut A and the nut B, so that the device can be adjusted according to the depth of a sewage sampling position, and is simple and practical;
4. according to the invention, the opening and closing of the collecting process are realized through the matching of the mounting rod, the transmission strip, the rack, the transmission gear, the transmission screw rod, the sealing slip ring and the sealing ring, the transmission gear can drive the transmission screw rod to rotate only by sliding the mounting rod downwards, the water inlet is opened when the sealing ring is not abutted against the inner wall of the collecting cavity, and the water inlet is closed when the sealing ring is abutted against the inner wall of the collecting cavity, so that the device has the characteristic of convenience in control;
5. the invention realizes the fixation of the opening and closing states of the collection cavity by the matching of the movable magnetic sheet A, the fixed magnetic sheet B, the movable magnetic sheet B and the movable magnetic sheet C, and has the characteristics of simple structure and low cost.
Drawings
FIG. 1 is a schematic structural diagram of a sewage extraction device for water quality detection according to the present invention;
FIG. 2 is a schematic view of an installation structure of a transmission gear of a sewage extraction device for water quality detection according to the present invention;
FIG. 3 is a schematic view of the internal structure of a collecting box B of the sewage extracting device for water quality detection according to the present invention;
FIG. 4 is a schematic view of the internal structure of a socket of a sewage extraction device for water quality detection according to the present invention;
fig. 5 is an enlarged view of a structure of fig. 1.
In the figure: the device comprises a base plate 1, a mounting bearing 2, a driving rod 3, a driving chain wheel 4, a transmission chain wheel 5, a pressing handle 6, a sliding rod 7, a rotating handle 8, a chain 9, a movable magnetic sheet A10, a fixed magnetic sheet A11, a fixed magnetic sheet B12, a movable magnetic sheet B13, a movable magnetic sheet C14, a mounting rod 15, a transmission rod 16, a threaded rod 17, a nut 18A, a nut 19B, a collecting box 20A, a collecting box 21B, a collecting box 22C, a sleeve ring 23, a protective shell 24, a socket 25, a base 26, a sleeve seat 27, a transmission strip 28, a rack 29, a transmission gear 30, a transmission screw rod 31, a sealing slide ring 32, a sealing ring 33, a water inlet 34, a limiting slide block 35 and a spring 36.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a sewage extraction device for water quality detection comprises a substrate 1, a driving rod 3 and a transmission rod 16 are rotatably connected to the substrate 1, the top ends of the driving rod 3 and the transmission rod 16 are both positioned above the substrate 1, a rotating handle 8 is fixedly connected to the top end of the driving rod 3, a driving sprocket 4 is fixedly connected to the driving rod 3, a transmission sprocket 5 is fixedly connected to the top end of the transmission rod 16, the driving sprocket 4 and the transmission sprocket 5 are in transmission connection through a chain 9, threaded rods 17 are fixedly connected to the bottom ends of the driving rod 3 and the transmission rod 16, a collecting box a20, a collecting box B21 and a collecting box C22 are slidably connected to the lower portion of the substrate 1, the collecting box a20, the collecting box B21 and the collecting box C22 are sequentially arranged from top to bottom, two nuts a18 in threaded connection with the threaded rods 17 are symmetrically fixed to the collecting box a20, two nuts B19 in threaded connection with the threaded rods 17 are symmetrically fixed to the collecting box C22, two lantern rings 23 used for rotatably connecting a threaded rod 17 are symmetrically fixed on a collection box B21, a sliding rod 7 is inserted on a base plate 1 in a sliding mode, a pressing handle 6 is fixedly installed at the top end of the sliding rod 7, a movable magnetic sheet B13 is fixedly connected to the bottom end of the sliding rod 7, a movable magnetic sheet C14 is adsorbed at the bottom of the movable magnetic sheet B13, a mounting rod 15 is fixedly connected to the bottom end of the movable magnetic sheet C14, a socket 25 used for inserting the mounting rod 15 is fixedly installed on a collection box C22, sleeve seats 27 used for slidably inserting the mounting rod 15 are fixed on the collection box A20 and the fixed magnetic sheet B12, collection cavities are formed in the collection box A20, the collection box B21 and the collection box C22, a transmission screw rod 31 is rotatably connected in the collection cavities, a sealing slip ring 32 is sleeved on the transmission screw rod 31, a water inlet 34 communicated with the collection cavities is formed in the collection box A20, the collection box B21 and the collection box C22, one end of the transmission screw rod 31 penetrates through the water inlet 34 and extends out of the collection cavities, the extending end of the transmission screw rod 31 is fixedly connected with a transmission gear 30, the parts of the mounting rod 15, which are positioned on the collecting box A20, the collecting box B21 and the collecting box C22, are fixedly connected with transmission bars 28, and one side of each transmission bar 28 is fixedly provided with a rack 29 which is meshed and connected with the transmission gear 30.
It should be noted that the collecting box a20, which is used for collecting surface sewage, the collecting box C22, which is used for collecting sewage, the collecting box B21 and the collecting box C22, which are used for collecting sewage, the collecting box a20, which is used for collecting surface sewage, the collecting box C22, which is used for collecting sewage, the collecting box B21, which is used for collecting sewage, can drive the driving rod 3 to rotate by rotating the rotating handle 8, and the driving rod 16 is driven by the driving chain wheel 4, the driving chain wheel 5 and the chain 9, so that both the threaded rods 17 rotate, the collecting box a20 and the collecting box C22 slide back to back because the two sections of the threaded rods 17 have opposite thread directions, so as to adjust according to the depth of the sampling position, the mounting rod 15 is driven to slide by pushing the sliding rod 7, the mounting rod 15 drives the driving gear 30 and the driving screw rod 31 to rotate clockwise by the driving strip 28 and the rack 29, at this time, the sealing ring 33 slides towards the inside of the collecting cavity, at this time, the water inlet 34 is opened, sewage is automatically poured into the corresponding collecting cavity to realize collection, has the characteristic of convenient operation;
the top of the base plate 1 is symmetrically fixed with two mounting bearings 2, and the two mounting bearings 2 are respectively and rotatably connected with the driving rod 3 and the transmission rod 16;
it should be noted that the driving rod 3 and the transmission rod 16 are rotatably connected on the substrate 1 by installing the bearing 2, and the free rotation of the driving rod 3 and the transmission rod 16 can be realized;
wherein, the slide bar 7 is fixedly connected with a movable magnetic sheet A10, the top of the base plate 1 is fixedly connected with a fixed magnetic sheet A11 matched with the movable magnetic sheet A10, the bottom of the base plate 1 is fixedly connected with a fixed magnetic sheet B12, the slide bar 7 is inserted in a sliding way on the fixed magnetic sheet A11 and the fixed magnetic sheet B12, and the fixed magnetic sheet B12 is positioned above the movable magnetic sheet B13;
it should be noted that the movable magnetic sheet B13 and the movable magnetic sheet C14 are tightly attracted, at this time, the sliding rod 7 is in transmission connection with the mounting rod 15, and the mounting rod 15 can be driven to slide downwards by pushing the sliding rod 7, so that the sliding rod is fixed to the mounting rod;
the collecting box A20, the collecting box B21 and the collecting box C22 are fixedly connected with a protective shell 24, a placing cavity is formed in the protective shell 24, the transmission gear 30 is located in the placing cavity, an opening communicated with the placing cavity is formed in the top of the protective shell 24, and the transmission strip 28 penetrates through the opening and extends into the placing cavity;
it should be noted that the arrangement of the protective shell 24 is beneficial to keeping the rack 29 meshed with the transmission gear 30, so that when the device is placed in water, the impact of water flow is not applied to the transmission gear 30 to enable the transmission gear 30 to rotate, and sewage with a large opening enters the placing cavity from the opening and then enters the collecting cavity without being affected;
wherein, the bottom end of each threaded rod 17 is fixedly connected with a base 26;
it should be noted that the whole device is supported by the contact of the base 26 and the bottommost layer of the sewage sampling position, and a worker only needs to hold the substrate 1 with hands, so that the control is convenient;
the top of the socket 25 is concavely provided with a connecting groove, a spring 36 is inserted in the connecting groove in a sliding manner, the bottom end of the mounting rod 15 extends into the connecting groove and is fixedly connected with a limiting sliding block 35, the connecting groove is a stepped groove, the bottom of the connecting groove is fixedly connected with the spring 36, and the limiting sliding block 35 is fixedly connected with the spring 36;
it should be noted that the limiting slide block 35 and the mounting rod 15 form a t-shaped structure, the mounting rod 15 cannot be pulled out from the connecting groove, and can provide a supporting force when the movable magnetic sheet B13 and the movable magnetic sheet C14 are separated, so that the mounting rod 15 is prevented from sliding relative to the collecting box a20, the collecting box B21 and the collecting box C22, and therefore, the situation that the collecting cavity is mistakenly collected due to the fact that the water inlet 34 is mistakenly opened in the process of adjusting the distance between the collecting box a20 and the collecting box C22 is avoided;
wherein, a sealing ring 33 is fixedly arranged on one side of the sealing slip ring 32 close to the water inlet 34, and the sealing ring 33 is made of rubber;
it should be noted that the sealing ring 33 is made of an elastic material, and when the sealing ring 33 abuts against the inner wall of the collection chamber, the sealing ring 33 deforms to improve the abutting degree, so that the sealing performance of the sealing ring 33 for sealing the water inlet 34 is improved;
wherein, two guide rods are symmetrically fixed in the collection cavity, and two guide sleeves which are sleeved on the guide rods in a sliding manner are symmetrically fixed on the sealing slip ring 32;
it should be noted that the guide sleeve can only slide along the guide rod for guiding the sliding process of the sealing slide ring 32.
In the invention, when a user uses the device and needs to sample sewage, the device is inserted into a sewage sampling place, the movable magnetic sheet B13 is separated from the movable magnetic sheet C14 in advance, so that the top of the movable magnetic sheet B13 is tightly attracted with the bottom of the fixed magnetic sheet B12, at the moment, the rotating handle 8 is rotated to drive the driving rod 3 to rotate according to the depth of the sampling place, the driving rod 4, the driving chain wheel 5 and the chain 9 are matched and transmitted to the transmission rod 16, so that the two threaded rods 17 are both rotated, and because the top and the bottom of the threaded rod 17 are opposite in direction of two sections of threads respectively corresponding to the collection box A20 and the collection box C22, the collection box A20 and the collection box C22 are opposite or relatively slide, the adjustment can be carried out according to the actual depth of the sampling place, in the process, the movement of the collection box A20 and the collection box C22 can drive the installation rod 15 to move together, so that the installation rod 15 cannot slide relative to the collection box A20 and the collection box C22, at the moment, the transmission gear 30 does not rotate, the water inlet 34 is still closed, when the position is adjusted to a proper position, the rotation action of the handle 8 is paused, the sliding rod 7 is pushed to separate the movable magnetic sheet B13 from the fixed magnetic sheet B12 and tightly attract the movable magnetic sheet C14 at the top end of the mounting rod 15, the mounting rod 15 can be driven to slide downwards by continuously pushing the sliding rod 7, the limiting slide block 35 is driven to compress the spring 36, the mounting rod 15 slides relative to the collecting box A20 and the collecting box C22 at the moment, the transmission gear 30 is driven to rotate clockwise, the transmission screw rod 31 also rotates clockwise at the moment, the sealing slide ring 32 slides towards the inner side of the collecting cavity, the water inlet 34 is opened, the sewage with the corresponding depth automatically fills the collecting cavities of the collecting box A20, the collecting box B21 and the collecting box C22, when the collection is completed, the pause rotation of the handle 8 is kept, the push rod 7 is pulled upwards to integrally drive the mounting rod 15 to move upwards, and the mounting rod 15 slides relative to the collecting box A20 and the collecting box C22 at the moment, drive gear 30 anticlockwise rotation, drive lead screw 31 anticlockwise rotation this moment for sealed sliding ring 32 slides towards the collection chamber outside, and water inlet 34 is closed, takes out the device again at last from the sample department can, has convenient operation's characteristics.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a sewage extraction element for water quality testing, includes base plate (1), its characterized in that, it is connected with drive lever (3) and transfer line (16) to rotate on base plate (1), the top of drive lever (3) and transfer line (16) all is located the top of base plate (1), the top fixed connection of drive lever (3) has rotating handle (8), just fixedly connected with drive sprocket (4) on drive lever (3), the top fixed connection of transfer line (16) has drive sprocket (5), through chain (9) transmission connection between drive sprocket (4) and the drive sprocket (5), the equal fixedly connected with threaded rod (17) in bottom of drive lever (3) and transfer line (16), the below sliding connection of base plate (1) has collection box A (20), collects box B (21) and collects box C (22), the collecting box A (20), the collecting box B (21) and the collecting box C (22) are sequentially arranged from top to bottom, two nuts A (18) in threaded connection with the threaded rods (17) are symmetrically fixed on the collecting box A (20), nuts B (19) in threaded connection with the threaded rods (17) are symmetrically fixed on the collecting box C (22), two lantern rings (23) for rotating the threaded rods (17) are symmetrically fixed on the collecting box B (21), a sliding rod (7) is inserted and connected onto the base plate (1) in a sliding mode, a pressing handle (6) is fixedly installed at the top end of the sliding rod (7), a movable magnetic sheet B (13) is fixedly connected to the bottom end of the sliding rod B (13), a movable magnetic sheet C (14) is adsorbed at the bottom end of the movable magnetic sheet C (14), a mounting rod (15) is fixedly connected to the bottom end of the movable magnetic sheet C (14), and a movable magnetic sheet A (10) is fixedly connected to the sliding rod (7), the top of the base plate (1) is fixedly connected with a fixed magnetic sheet A (11) matched with the movable magnetic sheet A (10), the bottom of the base plate (1) is fixedly connected with a fixed magnetic sheet B (12), the sliding rod (7) is inserted on the fixed magnetic sheet A (11) and the fixed magnetic sheet B (12) in a sliding mode, the fixed magnetic sheet B (12) is located above the movable magnetic sheet B (13), and the top and the bottom of the same threaded rod (17) correspond to the two sections of threads of the collecting box A (20) and the collecting box C (22) in opposite directions;
collect on box C (22) fixed mounting have be used for pegging graft socket (25) of installation pole (15), collect box A (20) and decide all to be fixed with sleeve seat (27) that are used for the slip to peg graft installation pole (15) on magnetic sheet B (12), collect box A (20), collect box B (21) and collect and all be equipped with in box C (22) and collect the chamber, it is connected with transmission lead screw (31) to collect the intracavity rotation, screw thread cover has sealed sliding ring (32) on transmission lead screw (31), collect box A (20), collect box B (21) and collect and all set up on box C (22) and collect water inlet (34) that the chamber communicates, the one end of transmission lead screw (31) is passed water inlet (34) and is extended to outside collecting the chamber, the extension end fixedly connected with drive gear (30) of transmission lead screw (31), installation pole (15) are located and collect box A (20), The parts of the collecting box B (21) and the collecting box C (22) are fixedly connected with transmission bars (28), and one side of each transmission bar (28) is fixed with a rack (29) which is meshed and connected with a transmission gear (30).
2. The sewage extraction device for water quality detection according to claim 1, wherein two mounting bearings (2) are symmetrically fixed on the top of the base plate (1), and the two mounting bearings (2) are respectively and rotatably connected with the driving rod (3) and the transmission rod (16).
3. The sewage extraction device for water quality detection according to claim 1, wherein the collection box A (20), the collection box B (21) and the collection box C (22) are fixedly connected with protective shells (24), a placing cavity is arranged in each protective shell (24), the transmission gear (30) is located in the placing cavity, an opening communicated with the placing cavity is formed in the top of each protective shell (24), and the transmission bar (28) penetrates through the opening and extends into the placing cavity.
4. The sewage extraction device for water quality detection according to claim 1, wherein a base (26) is fixedly connected to the bottom end of each threaded rod (17).
5. The sewage extraction device for water quality detection according to claim 1, wherein a connection groove is concavely arranged at the top of the socket (25), a spring (36) is inserted in the connection groove in a sliding manner, the bottom end of the installation rod (15) extends into the connection groove and is fixedly connected with a limiting sliding block (35), the connection groove is a stepped groove, the bottom of the connection groove is fixedly connected with the spring (36), and the limiting sliding block (35) is fixedly connected with the spring (36).
6. The sewage extraction device for water quality detection according to claim 1, wherein a sealing ring (33) is fixedly installed on one side of the sealing slip ring (32) close to the water inlet (34), and the sealing ring (33) is made of rubber.
7. The sewage extraction device for water quality detection according to claim 1, wherein two guide rods are symmetrically fixed in the collection cavity, and two guide sleeves which are slidably sleeved on the guide rods are symmetrically fixed on the sealing slip ring (32).
CN202010010874.0A 2020-01-06 2020-01-06 A sewage extraction element for water quality testing Expired - Fee Related CN111323270B (en)

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CN202010010874.0A CN111323270B (en) 2020-01-06 2020-01-06 A sewage extraction element for water quality testing

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CN111323270B true CN111323270B (en) 2022-05-06

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