CN216899788U

CN216899788U - Water sample sampler for water quality assay

Info

Publication number: CN216899788U
Application number: CN202220434987.8U
Authority: CN
Inventors: 罗雪梅; 王美林; 赵翊明; 武文楷
Original assignee: Shanxi Bright Testing Technology Co ltd
Current assignee: Shanxi Bright Testing Technology Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-07-05
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a water sample sampler for water quality test, which comprises a hollow long cylinder, wherein a plurality of partition plates are arranged in the hollow long cylinder, a plurality of circular cavities are formed between the plurality of partition plates and the hollow long cylinder, a fixed shaft is arranged in the hollow long cylinder, fixed bearings are arranged on the upper surface and the lower surface in the hollow long cylinder and the middle parts of the plurality of partition plates, and the fixed shaft vertically penetrates through the plurality of fixed bearings in sequence; the top that is located every circular cavity all is equipped with the piston barrel on the right side wall of hollow long section of thick bamboo, and the middle part all is equipped with solid fixed ring in every piston barrel, and every solid fixed ring is interior to be inserted and is equipped with the piston rod, and the inside tip of every piston rod all is connected with the fixed axle through cam assembly, and the outer tip of every piston rod all is connected with the piston barrel through piston assembly. The utility model solves the problem of low sampling efficiency of the water sample sampler, has compact integral structure design, can synchronously sample water with different depths, improves the accuracy after sampling and further improves the sampling efficiency.

Description

Water sample sampler for water quality assay

Technical Field

The utility model relates to the technical field of water quality testing and sampling, in particular to a water sample sampler for water quality testing.

Background

According to the requirement of water quality detection, detection items can be mainly divided into conventional index detection and unconventional index detection, the detection items are correspondingly adjusted by new national standards, and when water quality is tested, a user needs to go to a water area to sample.

The prior sampler has the following defects: 1. the sampling device is inconvenient for workers to carry, and a valve switch needs to be manually turned on or turned off in the sampling process, so that the sampling process is laborious; 2. the sampling result of sampler is comparatively single, can not carry out synchronous sampling to the water of the different degree of depth, needs sample many times repeatedly, causes the accuracy after the sample to descend.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect of low sampling efficiency of a water sample sampler in the prior art, and provides a water sample sampler for water quality assay.

In order to solve the problem of low sampling efficiency of a water sample sampler in the prior art, the utility model adopts the following technical scheme:

a water sample sampler for water quality testing comprises a hollow long cylinder, wherein a plurality of partition plates are arranged in the hollow long cylinder, a plurality of circular cavities are formed between the plurality of partition plates and the hollow long cylinder, a fixed shaft is arranged in the hollow long cylinder, fixed bearings are arranged on the upper surface and the lower surface in the hollow long cylinder and the middle parts of the plurality of partition plates, and the fixed shaft vertically penetrates through the plurality of fixed bearings in sequence;

the piston cylinder is arranged on the right side wall of the hollow long cylinder at the top of each circular cavity, a fixing ring is arranged in the middle of each piston cylinder, a piston rod is inserted into each fixing ring, the inner end of each piston rod is connected with the fixing shaft through a cam assembly, and the outer end of each piston rod is connected with the piston cylinder through a piston assembly.

Preferably, the cam subassembly includes cam, rectangular ring, and the position that is located the piston cylinder parallel and level all overlaps on the fixed axle and is equipped with the cam, and the outside that is located the cam all is equipped with the rectangular ring at the top of circular cavity, the inner end and the rectangular ring rigid coupling of piston rod, the rectangular ring block cover is established on the cam, just the upper and lower both sides limit port of rectangular ring all is equipped with the rectangle retaining ring.

Preferably, the piston assembly comprises a piston rod and a conical piston, a conical rubber ring is arranged in an outer end opening of the piston cylinder, the conical piston is sleeved at the outer end of the piston rod, a limiting ring is sleeved on the inner side surface of the conical piston, a piston spring is sleeved on the piston rod and located between the limiting ring and the fixing ring, and the outer side surface of the conical piston is matched and tightly abutted in the inner end opening of the conical rubber ring.

Preferably, a plurality of water inlet holes are formed in the side face of the fixing ring.

Preferably, the connecting positions of the upper inner wall and the lower inner wall of the circular cavity are respectively sleeved with a sealing ring on the fixing shaft.

Preferably, the top surface of the hollow long cylinder is provided with a U-shaped plate, and the top of the U-shaped plate is provided with a hanging ring.

Preferably, a waterproof motor is arranged on the top surface of the hollow long cylinder in the U-shaped plate, and the end part of a motor shaft of the waterproof motor is coaxially connected with the top end part of the fixed shaft.

Preferably, a sampling tube is arranged at the bottom of each circular cavity on the left side wall of the hollow long cylinder, and a micro valve is arranged in the middle of each sampling tube.

Preferably, the front surface of the hollow long cylinder at the position corresponding to each circular cavity is provided with a liquid level observation window, and the front surface of the hollow long cylinder at one side of each liquid level observation window is provided with a liquid level line.

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

1. in the utility model, the waterproof motor drives the motor shaft and the cam to rotate forwards and backwards by matching the cam component, and then the waterproof motor is matched with the piston spring to effectively control the opening and closing of the conical rubber ring, so that the phenomenon of labor waste in the sampling process is avoided, and the sampling efficiency is improved;

2. according to the utility model, the conical piston is separated from the conical rubber ring through the matching use of the piston assembly, water enters the piston cylinder along the conical rubber ring and enters the circular cavity through the water inlet hole, so that the water at different depths can be conveniently and rapidly collected, the phenomenon of repeated sampling for many times is avoided, and the accuracy after sampling is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic cross-sectional view of the cam assembly and piston assembly of the present invention;

number in the figure: the device comprises a hollow long cylinder 1, a partition plate 11, a fixed shaft 12, a sealing ring 13, a waterproof motor 14, a U-shaped plate 15, a lifting ring 16, a sampling tube 17, a liquid level observation window 18, a piston cylinder 2, a fixed ring 21, a piston rod 22, a conical rubber ring 23, a conical piston 24, a limiting ring 25, a piston spring 26, a cam 27, a rectangular ring 28 and a rectangular retainer ring 29.

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.

Example 1: in order to improve the sampling efficiency of the water sample sampler, the embodiment provides a water sample sampler for water quality testing, and the water sample sampler is shown in fig. 1-4, specifically, the water sample sampler comprises a hollow long cylinder 1, the hollow long cylinder 1 is a vertically placed hollow cylinder, a plurality of partition plates 11 which are equidistantly arranged and concentrically and fixedly connected are arranged in the hollow long cylinder 1, a plurality of circular cavities are formed between the plurality of partition plates 11 and the hollow long cylinder 1, a vertically placed fixed shaft 12 is arranged in the hollow long cylinder 1, sealing rings 13 are sleeved on the fixed shaft 12 at the joints of the upper and lower inner walls of the circular cavities, the sealing rings 13 increase the sealing performance between the fixed shaft 12 and the circular cavities, fixed bearings are arranged at the upper and lower surfaces in the hollow long cylinder 1 and at the middle parts of the plurality of the partition plates 11, and the fixed shaft 12 vertically penetrates through the plurality of fixed bearings in sequence and is rotatably connected with the fixed bearings;

the top that is located every circular cavity all is equipped with the piston cylinder 2 that runs through the rigid coupling on the right side wall of hollow long section of thick bamboo 1, and the middle part all is equipped with the solid fixed ring 21 of concentric rigid coupling in every piston cylinder 2, all inserts in every solid fixed ring 21 and is equipped with the piston rod 22 that slides and run through, and the inner end of every piston rod 22 all is connected with fixed axle 12 through cam assembly, and the outer tip of every piston rod 22 all is connected with piston cylinder 2 through piston assembly.

In the specific implementation process, as shown in fig. 2 and 4, the piston assembly includes a piston rod 22 and a conical piston 24, a conical rubber ring 23 concentrically fixed in an outer end port of the piston cylinder 2 is arranged in the outer end port of the piston rod 22, the conical piston 24 concentrically fixed in the outer end port of the piston rod 22 is sleeved with the outer end port of the piston rod 22, a limit ring 25 concentrically fixed in the inner side surface of the conical piston 24 is sleeved with the inner side surface of the conical piston 24, a piston spring 26 is sleeved on the piston rod 22 between the limit ring 25 and the fixing ring 21, the use of the limit ring 25 can prevent the piston spring 26 from falling off, the outer side surface of the conical piston 24 is matched and tightly propped against the inner port of the conical rubber ring 23, a plurality of circularly arranged water inlet holes are uniformly distributed on the side surface of the fixing ring 21, the conical piston 24 is separated from the conical rubber ring 23, then water enters the piston cylinder 2 along the conical rubber ring 23 and enters the circular cavity through the water inlet hole, so that water at different depths can be collected quickly.

In the specific implementation process, as shown in fig. 2, a U-shaped plate 15 is disposed on the top surface of the hollow long cylinder 1, a hanging ring 16 is disposed on the top of the U-shaped plate 15, the hollow long cylinder 1 can be conveniently driven to be placed in water by tying a rope on the hanging ring 16, a waterproof motor 14 with a downward output end is disposed on the top surface of the hollow long cylinder 1 in the U-shaped plate 15, the end of a motor shaft of the waterproof motor 14 is coaxially connected with the top end of the fixed shaft 12, and the fixed shaft 12 and the cam 27 can be driven to rotate forward and backward by the waterproof motor 14.

In the specific implementation process, as shown in fig. 1, transparent liquid level observation windows 18 are arranged on the front surface of the hollow long cylinder 1 at the positions corresponding to the circular cavities, liquid level lines are arranged on the front surface of the hollow long cylinder 1 at one side of each liquid level observation window 18, and the water condition in each circular cavity can be conveniently observed through each liquid level observation window 18 and each liquid level line; a sampling tube 17 which is fixedly connected with the left side wall of the hollow long cylinder 1 in a penetrating way is arranged at the bottom of each circular cavity, a micro valve is arranged at the middle part of each sampling tube 17, the micro valves are opened in sequence, water in the circular cavity flows out to a test tube along the sampling tube 17 to be collected,

example 2: in embodiment 1, there is also a problem that the piston rod is inconvenient to slide, and therefore, this embodiment further includes, on the basis of embodiment 1:

in the specific implementation process, as shown in fig. 3, the cam assembly includes a cam 27 and a rectangular ring 28, the cam 27 fixed eccentrically and fixedly to the stationary shaft 12 is sleeved on the position at the same level of the piston cylinder 2, the rectangular ring 28 is disposed on the top of the circular cavity outside the cam 27, the inner end of the piston rod 22 is fixedly connected to the rectangular ring 28, the rectangular ring 28 is clamped and sleeved on the cam 27, rectangular retaining rings 29 are disposed at the ports of the upper and lower sides of the rectangular ring 28, the stationary shaft 12 drives the cam 27 to rotate along the rectangular ring 28, the protruding portion of the cam 27 abuts against the rectangular ring 28 leftwards and drives the rectangular ring 28 and the piston rod 22 to slide leftwards along the stationary ring 21, and the cam 27 can be effectively prevented from falling off due to the design of the rectangular retaining rings 29.

Specifically, the working principle and the operation method of the utility model are as follows:

firstly, tying a rope on a lifting ring 16, slowly vertically placing a hollow long cylinder 1 in water, slowly descending the hollow long cylinder to a proper position, and standing for a period of time;

step two, starting the waterproof motor 14, driving the fixing shaft 12 to rotate along the fixing bearing by a motor shaft of the waterproof motor 14, driving the cam 27 to rotate along the rectangular ring 28 by the fixing shaft 12, and tightly pressing the convex part of the cam 27 against the rectangular ring 28 leftwards;

driving the rectangular ring 28 and the piston rod 22 to slide leftwards along the fixing ring 21, driving the piston spring 26 to compress and deform, so that the conical piston 24 is separated from the conical rubber ring 23, and then water enters the piston cylinder 2 along the conical rubber ring 23 and enters the circular cavity through the water inlet;

step four, controlling a motor shaft of the waterproof motor 41 to rotate reversely, driving the fixed shaft 12 and the cam to return to the original position, and driving the piston rod 22 and the rectangular ring 28 to slide rightwards along the fixed ring 21 under the action of the piston spring 26 to drive the conical piston 24 to be matched and tightly abutted in the inner port of the conical rubber ring 23;

and step five, taking out the hollow long cylinder 1 through a rope, taking out the test tube, sequentially opening different micro valves, and allowing the water in the circular cavity to flow out of the test tube along the sampling tube 17 to be collected.

The utility model solves the problem of low sampling efficiency of the water sample sampler, has compact integral structure design, can synchronously sample water at different depths, improves the accuracy after sampling and further improves the sampling efficiency.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a water quality is assay uses water sample sampler, includes hollow long section of thick bamboo (1), its characterized in that: a plurality of partition plates (11) are arranged in the hollow long cylinder (1), a plurality of circular cavities are formed between the partition plates (11) and the hollow long cylinder (1), a fixed shaft (12) is arranged in the hollow long cylinder (1), fixed bearings are arranged on the upper surface and the lower surface in the hollow long cylinder (1) and the middle parts of the partition plates (11), and the fixed shaft (12) vertically penetrates through the fixed bearings in sequence;

the piston cylinder (2) is arranged on the right side wall of the hollow long cylinder (1) at the top of each circular cavity, a fixing ring (21) is arranged in the middle of each piston cylinder (2), a piston rod (22) is inserted into each fixing ring (21), the inner end of each piston rod (22) is connected with the fixing shaft (12) through a cam assembly, and the outer end of each piston rod (22) is connected with the piston cylinder (2) through a piston assembly.

2. The water sample sampler for water quality assay according to claim 1, wherein: the cam assembly comprises a cam (27) and a rectangular ring (28), the cam (27) is sleeved on the fixed shaft (12) at the position which is parallel and level with the piston cylinder (2), the rectangular ring (28) is arranged on the top of the circular cavity at the outer side of the cam (27), the inner end of the piston rod (22) is fixedly connected with the rectangular ring (28), the rectangular ring (28) is clamped and sleeved on the cam (27), and ports on the upper side and the lower side of the rectangular ring (28) are provided with rectangular check rings (29).

3. The water sample sampler for water quality assay according to claim 1, wherein: the piston assembly comprises a piston rod (22) and a conical piston (24), a conical rubber ring (23) is arranged in an outer end opening of the piston cylinder (2), the conical piston (24) is sleeved on the outer end portion of the piston rod (22), a limiting ring (25) is sleeved on the inner side face of the conical piston (24), a piston spring (26) is sleeved on the piston rod (22) and located between the limiting ring (25) and the fixing ring (21), and the outer side face of the conical piston (24) is matched and tightly abutted in the inner end opening of the conical rubber ring (23).

4. The water sample sampler for water quality assay according to claim 1, wherein: a plurality of water inlet holes are formed in the side face of the fixing ring (21).

5. The water sample sampler for water quality assay according to claim 1, wherein: the connecting parts of the upper inner wall and the lower inner wall of the circular cavity are respectively sleeved with a sealing ring (13) on the fixed shaft (12).

6. The water sample sampler for water quality assay according to claim 1, wherein: the top surface of the hollow long cylinder (1) is provided with a U-shaped plate (15), and the top of the U-shaped plate (15) is provided with a hanging ring (16).

7. The water sample sampler for water quality assay according to claim 6, wherein: a waterproof motor (14) is arranged on the top surface of the hollow long cylinder (1) in the U-shaped plate (15), and the end part of a motor shaft of the waterproof motor (14) is coaxially connected with the top end part of the fixed shaft (12).

8. The water sample sampler for water quality assay according to claim 1, wherein: and sampling tubes (17) are arranged on the left side wall of the hollow long cylinder (1) at the bottom of each circular cavity, and a micro valve is arranged in the middle of each sampling tube (17).

9. The water sample sampler for water quality assay according to claim 1, wherein: the front of the hollow long cylinder (1) at the position corresponding to each round cavity is provided with a liquid level observation window (18), and the front of the hollow long cylinder (1) at one side of each liquid level observation window (18) is provided with a liquid level line.