CN217006482U

CN217006482U - Sampling device of industrial analyzer

Info

Publication number: CN217006482U
Application number: CN202220471554.XU
Authority: CN
Inventors: 刘真; 何昌盛
Original assignee: Changsha Youxin Instrument Manufacturing Co ltd
Current assignee: Changsha Youxin Instrument Manufacturing Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-19
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of a sampler, and particularly discloses a sampling device of an industrial analyzer, which comprises a mounting plate, wherein a telescopic cylinder and a sampling cylinder are sequentially mounted on the mounting plate from top to bottom, the bottom and the side part of the sampling cylinder are respectively provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively connected with a first one-way valve and a second one-way valve, a piston head is closely and slidably connected in the sampling cylinder, the piston head is connected with a push rod, the push rod is connected with a piston rod of the telescopic cylinder, the bottom of the sampling cylinder is detachably connected with a filter cylinder, the side wall of the filter cylinder is uniformly provided with a plurality of filter holes, the filter cylinder surrounds the first one-way valve, the upper part of the push rod is connected with an L-shaped connecting rod, the bottom end of the L-shaped connecting rod is connected with a cleaning ring, the inner wall of the cleaning ring is provided with brush bristles, and the brush bristles can be contacted with the outer wall of the filter cylinder, the utility model has reasonable structural design, can effectively avoid the blockage of the filter cylinder and ensure the sampling efficiency.

Description

Sampling device of industrial analyzer

Technical Field

The utility model relates to the technical field of samplers, in particular to a sampling device of an industrial analyzer.

Background

In industrial water source cyclic utilization, fields such as batch production aquaculture, for the water environment is protected, need use industrial analysis appearance to detect quality of water, in actual operation, need use quality of water sampling device to stretch into and take a sample in the water, in order to avoid the solid impurity in the in-process aquatic of sample to get into the sampling tube, can set up the filter screen in the bottom of sampling tube mostly and filter the impurity of aquatic.

But its in-process at the sample of current sampling device is not convenient for in time scrape the clearance to the impurity that the filter screen outside bonded, because the environment is complicated under water, has a large amount of solid impurity such as a large amount of moss, algae in the aquatic, and moss, algae etc. can bond on the filter screen along with water in the sampling process, cause blocking phenomenon to influence the efficiency of sample.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background art, it is an object of the present invention to provide a sampling device for an industrial analyzer.

In order to achieve the above object, the technical scheme of the utility model is as follows:

a sampling device of an industrial analyzer comprises a mounting plate, wherein a telescopic cylinder and a sampling cylinder are sequentially mounted on the mounting plate from top to bottom, the sampling cylinder is vertically arranged, the top of the sampling cylinder is in an open state, the bottom and the lateral part of the sampling cylinder are respectively provided with a liquid inlet and a liquid outlet, the liquid inlet and the liquid outlet are respectively connected with a first check valve and a second check valve, the sampling cylinder is internally and closely and slidably connected with a piston head, the piston head is connected with a push rod, the push rod extends upwards to the outside of a top opening of the sampling cylinder and is connected with a piston rod of the telescopic cylinder through a coupler, the bottom of the sampling cylinder is detachably connected with a filter cylinder, a plurality of filter holes are uniformly distributed on the lateral wall of the filter cylinder, the filter cylinder surrounds the first check valve, the upper part of the push rod is connected with an L-shaped connecting rod, the bottom end of the L-shaped connecting rod is connected with a cleaning ring, the inner wall that clearance ring and cartridge filter coaxial arrangement and clearance ring are equipped with the cleaning brush, the cleaning brush can contact with the outer wall of cartridge filter.

Furthermore, the cleaning ring is detachably connected to the bottom end of the L-shaped connecting rod through a screw.

Further, the clearance brush be rubber ring and circumference shaping in a plurality of rubber strips of rubber ring inner wall, the rubber ring bond in the inner wall of clearance ring, the rubber strip can contact with the inner wall of cartridge filter.

Further, the lateral wall shaping of sampler barrel has T type connecting plate, T type connecting plate pass through screwed connection in on the mounting panel.

The beneficial effects of the utility model are as follows: according to the utility model, the cleaning ring and the filter cylinder are coaxially arranged, and the cleaning ring is connected with the push rod through the L-shaped connecting rod, so that the cleaning ring and the piston head do synchronous motion, when the piston head moves in the sampling cylinder, namely in the sampling or lofting process of the sampling tube, bristles on the inner wall of the cleaning ring can clean the outer wall of the filter cylinder, solid impurities in water are effectively prevented from being adhered to the outer wall of the filter cylinder, the filter cylinder is prevented from being blocked, and the sampling efficiency is ensured.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of an embodiment of the present invention with the piston head at a maximum sampling height;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a partial cross-sectional view of the embodiment of the present invention with the piston head at the lowermost end of the interior of the barrel;

fig. 5 is an enlarged view at B in fig. 4.

Description of the figure numbering: 1. the sampling device comprises a mounting plate, 2, a telescopic cylinder, 3, a sampling cylinder, 31, a liquid inlet, 311, a first one-way valve, 32, a liquid outlet, 321, a second one-way valve, 33, a T-shaped connecting plate, 4, a piston head, 41, a push rod, 42, an L-shaped connecting rod, 43, a coupler, 5, a filter cylinder, 51, a filter hole, 6, a cleaning ring, 7, a rubber ring, 71 and a rubber strip.

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. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein are intended to be within the scope of the present invention.

As shown in fig. 1-5, a sampling device of an industrial analyzer comprises a vertically arranged mounting plate 1, a telescopic cylinder 2 and a sampling cylinder 3 are sequentially arranged on the mounting plate 1 from top to bottom, a piston rod of the telescopic cylinder 2 is vertically arranged downwards, the sampling cylinder 3 is vertically arranged, the top of the sampling cylinder 3 is in an open state, a liquid inlet 31 and a liquid outlet 32 are respectively arranged at the lower ends of the bottom wall and the left side wall of the sampling cylinder 3, a first check valve 311 and a second check valve 321 are respectively connected to the liquid inlet 31 and the liquid outlet 32, the first check valve 311 allows liquid to flow into the sampling cylinder 3, the second check valve 321 allows liquid to flow out of the sampling cylinder 3, a piston head 4 is slidably connected to the sampling cylinder 3, a push rod 41 is connected to the piston head 4, the push rod 41 extends upwards to the outside of the top opening of the sampling cylinder 3 and is connected to the piston rod of the telescopic cylinder 2 through a coupling 43, the bottom of the sampling cylinder 3 is detachably connected to a filter cylinder 5 through a screw and a nut, cartridge filter 5 is the top and is opening form and bottom confined barrel, and the equipartition has a plurality of filtration pores 51 on cartridge filter 5's the lateral wall, and including cartridge filter 5 surrounds first check valve 311, the upper portion shaping of push rod 41 has L type connecting rod 42, and L type connecting rod 42's bottom is connected with clearance ring 6, and clearance ring 6 is equipped with the brush hair with cartridge filter 5 coaxial arrangement and the inner wall of clearance ring 6, and the brush hair can contact with cartridge filter 5's outer wall.

In this embodiment, clearance ring 6 passes through the detachable connection in L type connecting rod 42's bottom of screw, and structural design is reasonable, the installation of being convenient for.

In this embodiment, the inner wall of clearance ring 6 bonds and has rubber ring 7, and the inner wall of rubber ring 7 has a plurality of rubber strips 71 along the circumference shaping, and structural design is reasonable, is convenient for install and change.

In this embodiment, the lateral wall shaping of sampler barrel 3 has T type connecting plate 33, and T type connecting plate 33 passes through screwed connection on mounting panel 1, and structural design is reasonable, is convenient for install sampler barrel 3.

In the actual sampling process, the second one-way valve 321 is connected with the sample inlet of the industrial analyzer, when a water sample is taken, the piston head 4 is moved to the bottommost end of the sampling cylinder 3, the cleaning ring 6 is positioned below the filtering cylinder 5, then the first one-way valve 311 is submerged below the water level, the mounting plate 1 is loaded on the fixing part, the telescopic cylinder 2 is operated to enable the piston head 4 to move upwards, negative pressure is formed in the sampling cylinder 3 at the moment, water sequentially passes through the filtering hole 51 and the one-way valve and enters the sampling cylinder 3, the cleaning ring 6 moves upwards along with the piston rod, the rubber strip 71 cleans the outer wall of the filtering cylinder 5 in the upward movement process of the cleaning ring 6, when the piston head 4 moves to the maximum sampling height in the sampling cylinder, the cleaning ring 6 is just positioned at the top of the filtering cylinder 5, the telescopic cylinder 2 is operated to enable the piston rod to move downwards, the water sample in the sampling cylinder 3 enters the industrial analyzer through the second one-way valve 321 for analysis, at the same time the cleaning ring 6 is also moved downwards and the rubber strip 71 cleans the outer wall of the filter cartridge 5 again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, but rather as the intention of all modifications, equivalents, improvements, and equivalents falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a sampling device of industrial analyzer, its characterized in that, includes mounting panel (1), telescopic cylinder (2) and sampler barrel (3) are installed from top to bottom in proper order on mounting panel (1), sampler barrel (3) vertical setting and top are open state, the bottom and the lateral part of sampler barrel (3) are equipped with inlet (31) and liquid outlet (32) respectively, be connected with first check valve (311) and second check valve (321) on inlet (31) and liquid outlet (32) respectively, sampler barrel (3) inside close sliding connection has piston head (4), be connected with push rod (41) on piston head (4), push rod (41) upwards extend to outside sampler barrel (3) and be connected with the piston rod of telescopic cylinder (2), the detachable bottom of sampler barrel (3) is connected with cartridge filter (5), the equipartition has a plurality of filtration pore (51) on the lateral wall of cartridge filter (5), the utility model discloses a cleaning device, including cartridge filter (5) surrounds first check valve (311), the upper portion of push rod (41) is connected with L type connecting rod (42), the bottom of L type connecting rod (42) is connected with clearance ring (6), the inner wall that clearance ring (6) and cartridge filter (5) coaxial arrangement and clearance ring (6) are equipped with the cleaning brush, the cleaning brush can contact with the outer wall of cartridge filter (5).

2. The sampling device of an industrial analyzer according to claim 1, wherein the cleaning ring (6) is detachably connected to the bottom end of the L-shaped link (42) by screws.

3. The sampling device of an industrial analyzer according to claim 1, wherein the cleaning brush is a rubber ring (7) and a plurality of rubber strips (71) formed on the inner wall of the rubber ring (7) along the circumferential direction, the rubber ring (7) is adhered to the inner wall of the cleaning ring (6), and the rubber strips (71) can contact with the inner wall of the filter cartridge (5).

4. The sampling device of an industrial analyzer according to claim 1, wherein the sidewall of the sampling tube (3) is formed with a T-shaped connection plate (33), and the T-shaped connection plate (33) is connected to the mounting plate (1) by screws.