CN220688154U

CN220688154U - Sterile sampling valve

Info

Publication number: CN220688154U
Application number: CN202322425857.5U
Authority: CN
Inventors: 谢章龙; 石伟艺; 谢章河
Original assignee: Eric Valve Industry Jiangsu Co ltd
Current assignee: Eric Valve Industry Jiangsu Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-03-29
Anticipated expiration: 2033-09-07

Abstract

The application discloses aseptic sampling valve belongs to sampling valve technical field. The device mainly comprises a valve body and a sampling part arranged on the valve body, wherein the sampling part comprises a sampling channel, the sampling channel is arranged on the side wall of the valve body, and a sampling port is arranged at the joint of the sampling channel and the valve body; the stop valve is arranged outside the sampling channel and comprises a valve plate, and the valve plate seals the sampling port; the sealing plug is arranged in the sampling channel and is matched with the sampling channel in size; the compressing piece is detachably arranged at one end, far away from the valve body, of the sampling channel and is in contact with the sealing plug, a sampling hole penetrating through the compressing piece is formed in the compressing piece, and the sampling hole are concentric; and the sealing cover is detachably arranged at the port of the sampling channel. The utility model provides a sterile sampling valve through being provided with independent sampling portion, has solved traditional sterile sampling valve and need be closed equipment when the sample, influences work efficiency's problem.

Description

Sterile sampling valve

Technical Field

The application relates to the technical field of sampling valves, in particular to an aseptic sampling valve.

Background

The aseptic sampling valve is a reverse osmosis water producing device for reverse osmosis water treatment and medical treatment. The aseptic sampling valve is generally made of stainless steel materials and has the characteristics of good tightness and strong corrosion resistance. The device adopts a specially designed structure, can effectively prevent air or external microorganisms from entering in the sampling process, and ensures that the collected sample is kept in a sterile state.

However, the existing aseptic sampling valve needs to be opened to flush and disinfect the valve before sampling, then flushing again to extract the water sample, and meanwhile, the sampling link can only extract the water sample when the equipment is stopped, so that the working efficiency is reduced, and therefore, the aseptic sampling valve is necessary to solve the problems.

It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems existing in the prior art, the problems to be solved by the present application are: the utility model provides an aseptic sampling valve, has solved traditional aseptic sampling valve and need be closed equipment when the sample, influences work efficiency's problem.

The technical scheme adopted for solving the technical problems is as follows: the aseptic sampling valve comprises a valve body and a sampling part arranged on the valve body, wherein the sampling part comprises a sampling channel, the sampling channel is arranged on the side wall of the valve body, and a sampling port is arranged at the joint of the sampling channel and the valve body; the stop valve is arranged outside the sampling channel and comprises a valve plate, and the valve plate seals the sampling port; the sealing plug is arranged in the sampling channel and is matched with the sampling channel in size; the compressing piece is detachably arranged at one end, far away from the valve body, of the sampling channel and is in contact with the sealing plug, a sampling hole penetrating through the compressing piece is formed in the compressing piece, and the sampling hole are concentric; and the sealing cover is detachably arranged at the port of the sampling channel.

And the sealing cover is detachably arranged at the port of the sampling channel.

Further, the sealing plug is close to the coaxial extension that is provided with of one end of compressing tightly the piece, and extension and sampling channel's size phase-match, extension embedding sampling channel are interior.

Further, the inner wall of the sealing cover is provided with an internal thread, and meanwhile, the outer wall of the port of the sampling channel is provided with an external thread matched with the internal thread, and the sealing cover seals the sampling channel through the matching of the internal thread and the external thread.

Further, the compressing piece is a compressing nut, the outer wall of the port of the compressing piece is provided with external threads, the inner wall of the port of the sampling channel is provided with internal threads, and the compressing piece is screwed in the port of the sampling channel.

Further, the sealing plug is a medical grade soft silica gel plug.

The beneficial effects of this application are: the application provides a pair of aseptic sampling valve through being provided with independent sampling portion, realizes that online sampling need not to stop equipment, has improved the sample accuracy, has solved traditional aseptic sampling valve and need close equipment when the sample, influences work efficiency's problem.

In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is an overall schematic of an aseptic sampling valve of the present application;

FIG. 2 is a schematic view of the aseptic sampling valve of FIG. 1;

FIG. 3 is a schematic diagram showing the internal structure of the sampling channel in FIG. 2;

wherein, each reference sign in the figure:

1. a valve body; 11. a handle; 2. a water inlet pipe; 3. a water outlet pipe; 4. a sampling unit; 41. a sampling channel; 411. a sampling port; 412. a stop valve; 42. a sealing plug; 421. an extension; 43. a pressing member; 44. and (5) sealing the cover.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

As shown in fig. 1, the application provides a sterile sampling valve, which comprises a valve body 1, wherein the valve body 1 is arranged between water pipelines, a water inlet pipe 2 is arranged on one side of the valve body 1, and the water inlet pipe 2 is connected with an external water inlet pipeline;

a valve plate is arranged in the valve body 1, can freely rotate in the valve body 1, and can regulate the flow of the water conveying pipeline by controlling the rotation amplitude of the valve plate;

meanwhile, the other side of the valve body 1 is provided with a water outlet pipe 3, the water outlet pipe 3 is connected with an external water conveying pipeline, and when the valve plate is opened, water flow input from the water inlet pipe 2 is discharged from the water outlet pipe 3.

Meanwhile, a handle 11 is arranged outside the valve body 1, the handle 11 is connected with the valve plate, and the valve plate is controlled to rotate in the valve body 1 through the handle 11, so that the valve port on the valve body 1 is opened or closed.

As shown in fig. 2-3, a sampling part 4 is arranged on the outer walls of the water inlet pipe 2 and the water outlet pipe 3, the sampling part 4 comprises a sampling channel 41, the sampling channel 41 is arranged on the water inlet pipe 2, and a sampling port 411 is arranged at the communication position of the sampling channel 41 and the water inlet pipe 2, and the diameter of the sampling port 411 is smaller than that of the sampling channel 41;

a sealing plug 42 is arranged in the sampling channel 41, the sealing plug 42 is a medical grade soft silica gel plug, meanwhile, a detachable pressing piece 43 is arranged in a port of the sampling channel 41, the pressing piece 43 is a pressing nut, the pressing piece 43 is in contact with the sealing plug 42, a sampling through hole extending along the length direction of the sampling channel 41 is arranged in the pressing piece 43, and the pressing piece 43 is used for pressing and filling the sealing plug 42 in the sampling channel 41 so that the sealing plug 42 stretches into the sampling port 411 to fill and seal the sampling port;

meanwhile, a stop valve 412 is arranged on the outer wall of the sampling channel 41, and a valve plate for sealing the sampling port 411 is arranged in the stop valve 412 and is used for preventing water sample from being sprayed out of the sealing plug 42 due to overlarge water pressure in the valve body 1;

meanwhile, a detachable sealing cover 44 is arranged outside the port of the sampling channel 41, an inner thread is arranged on the inner wall of the sealing cover 44, an outer thread is arranged on the outer wall of the port of the sampling channel 41, and the sealing cover 44 seals the sampling channel 41 through the matching of the inner thread and the outer thread.

The sampling part 4 presses the sealing plug 42 through the pressing piece 43, so that the elastic sealing plug 42 generates elastic force, and the sampling port 411 in the sampling channel 41 is sealed through the action of the elastic force;

the sealing plug 42 is sealed by the pressing piece 43, and the sampling channel 41 is locked by the sealing cover 44, so that outside air and water in the pipeline cannot enter and exit, and the whole valve body 1 is free of cavities and cannot grow bacteria.

When sampling is needed, firstly, the stop valve 412 is opened, the sampling channel 41 is filled with water sample, then the sealing cover 44 is opened, the water sample penetrates through the sealing plug 42 by using the needle of the disposable syringe for sampling, water flow can flow into the syringe through the needle tube, the needle is pulled out after enough water sample is obtained, the sealing plug 42 rebounds to seal the needle hole under the elastic force of the pressing piece 43, on-line sampling is realized, the valve body 1 does not need to be stopped, after sampling is finished, the port of the sampling channel 41 is disinfected, and the sealing cover 44 is covered.

Preferably, the end of the sealing plug 42 adjacent to the compression element 43 is coaxially provided with an extension 421, which extension 421 is adapted to the size of the sampling channel 41, and the extension 421 is likewise embedded in the sampling channel 41.

The arrangement of the extension 421 enables the sealing plug 42 to be assembled into the sampling channel 41 simultaneously with the pressing member 43, and enables the sealing plug to be consistent with the axial direction of the sampling channel 41, so that the sealing plug 42 is not inclined due to the pressing of the pressing member 43 in the pressing process, the pressing member 43 and the inner wall of the sampling channel 41 cannot be tightly pressed, and the sealing performance is ensured.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. An aseptic sampling valve, includes valve body (1) and installs sampling portion (4) on valve body (1), its characterized in that: the sampling unit (4) comprises:

the sampling channel (41) is arranged on the side wall of the valve body (1), and a sampling port (411) is arranged at the joint of the sampling channel (41) and the valve body (1);

a shut-off valve (412), the shut-off valve (412) being provided outside the sampling passage (41), the shut-off valve (412) comprising a valve plate, the valve plate closing the sampling port (411);

a sealing plug (42), the sealing plug (42) being arranged in the sampling channel (41), the sealing plug (42) being matched to the size of the sampling channel (41);

the compressing piece (43) is detachably arranged at one end, far away from the valve body (1), of the sampling channel (41), the compressing piece (43) is in contact with the sealing plug (42), a sampling hole penetrating through the compressing piece (43) is formed in the compressing piece (43), and the sampling hole is concentric with the sampling hole (411);

and a cover (44), wherein the cover (44) is detachably arranged at the port of the sampling channel (41).

2. An aseptic sampling valve according to claim 1, wherein: an extension part (421) is coaxially arranged at one end, close to the pressing piece (43), of the sealing plug (42), the extension part (421) is matched with the size of the sampling channel (41), and the extension part (421) is embedded into the sampling channel (41).

3. An aseptic sampling valve according to claim 1, wherein: the inner wall of the sealing cover (44) is provided with an internal thread, meanwhile, the outer wall of the port of the sampling channel (41) is provided with an external thread matched with the internal thread, and the sealing cover (44) seals the sampling channel (41) through the matching of the internal thread and the external thread.

4. An aseptic sampling valve according to claim 1, wherein: the compressing piece (43) is a compressing nut, an external thread is arranged on the outer wall of a port of the compressing piece (43), an internal thread is arranged on the inner wall of a port of the sampling channel (41), and the compressing piece (43) is screwed in the port of the sampling channel (41).

5. An aseptic sampling valve according to claim 1, wherein: the sealing plug (42) is a medical grade soft silica gel plug.