CN211738183U

CN211738183U - Control valve with sampling function

Info

Publication number: CN211738183U
Application number: CN201922274704.9U
Authority: CN
Inventors: 项少聪
Original assignee: Shanghai Yuanan Liquid Equipment Technology Co ltd
Current assignee: Shanghai Yuanan Liquid Equipment Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-23
Anticipated expiration: 2029-12-17

Abstract

A control valve with a sampling function, comprising: a control valve body; the control valve pipe is connected with the control valve body; a sampling valve, comprising: a sampling valve body; the sampling valve is connected with the control valve body and/or the control valve pipe, the control valve body and the sampling valve body are integrally formed, the sampling valve further comprises a sampling pipe directly connected with the control valve body, and the end surface of the sampling pipe, which is communicated with the control valve body, and the inner wall cambered surface of the control valve body form a smooth connecting surface; the control valve with the sampling function solves the problems that a sampling tube of the existing sampling valve is welded with a fluid channel to cause a crater phenomenon, a sanitary dead angle is generated, and a medium is easily polluted.

Description

Control valve with sampling function

Technical Field

The utility model relates to the technical field of valves, mainly relate to a control valve that possesses sample function.

Background

The sampling valve is used for obtaining a medium sample in a pipeline or equipment, and on occasions where the medium sample needs to be frequently subjected to chemical analysis, a special sampling valve is often used, so that a worker can obtain the medium sample through the sampling valve and perform chemical analysis according to the medium sample.

At present, the sampling valve is generally installed on the fluid passage of various types of valves, when the sampling valve is installed on the fluid passage of various types of valves, the sampling pipe of the sampling valve needs to be stretched into the fluid passage, fluid in the fluid passage flows into the sampling pipe of the sampling valve and flows out from the other end of the sampling pipe, so that the sampling purpose is achieved, however, because the sampling pipe is directly welded on the fluid passage, a large number of dead angle areas exist at the welded junction, and the welding seam area is not easy to polish, so that a crater phenomenon exists, materials cannot flow out at the dead angle to cause detention, and conditions are created for the gathering and propagation of microorganisms.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that the scar phenomenon can exist with the fluid passage welding in the sampling tube of current sample valve, can produce the sanitary dead angle, pollutes the problem of medium easily. Therefore, the utility model provides a control valve that possesses sample function, include: a control valve body; the control valve pipe is connected with the control valve body; a sampling valve, comprising: a sampling valve body; the sampling valve with the control valve body and/or with the control valve pipe links to each other, the control valve body with the integrated into one piece of sampling valve body, the sampling valve still include with the sampling tube that the control valve body directly links to each other, the sampling tube with the terminal surface that the control valve body is linked together with the inner wall cambered surface of control valve body forms a glossy connection face.

The sampling tube is close to control valve body one end is higher than it keeps away from control valve body one end.

Still include the valve gap subassembly, the rotation hand wheel orientation of sample valve is kept away from the valve gap subassembly direction slope sets up.

An air vent is arranged at the sampling port of the sampling tube; and the vent hole is used for introducing sterile steam into the sampling pipe.

The vent sets up its pipe wall upside of sampling tube.

Further comprising: the first valve cavity and the second valve cavity are connected with the first valve cavity through a boss, a first fluid passage communicated with the first valve cavity is further arranged at the first valve cavity, a second fluid passage communicated with the second valve cavity is further arranged at the second valve cavity, and the first fluid passage and/or the second fluid passage are/is smoothly connected with the boss.

The sampling tube is a circular arc-shaped pipeline.

The sampling tube is directly connected with the first fluid channel and/or the second fluid channel.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a control valve that possesses sample function, include: a control valve body; the control valve pipe is connected with the control valve body; a sampling valve, comprising: a sampling valve body; the sampling valve is connected with the control valve body and/or the control valve pipe, the control valve body and the sampling valve body are integrally formed, the sampling valve further comprises a sampling pipe directly connected with the control valve body, and the end surface of the sampling pipe, which is communicated with the control valve body, and the inner wall cambered surface of the control valve body form a smooth connecting surface; in the prior art, a sampling valve is generally arranged on a fluid channel of various valves, when the sampling valve is arranged on the fluid channel of various valves, a sampling pipe of the sampling valve needs to be stretched into the fluid channel, fluid in the fluid channel flows into the sampling pipe of the sampling valve and flows out from the other end of the sampling pipe, so that the purpose of sampling is achieved, but because the sampling pipe is directly welded on the fluid channel, a large number of dead-angle areas exist at the welded junction, and the welding seam area is not easy to polish, a crater phenomenon exists, materials cannot flow out and stay at the dead angle, and conditions are created for the aggregation and propagation of microorganisms; and the end surface of the sampling tube communicated with the control valve body and the inner wall cambered surface of the control valve body form a smooth connecting surface, so that a smooth arc transition surface exists between the end surface of the sampling tube and the inner wall of the control valve body, and when fluid media flow in the control valve body, a dead angle area does not exist, so that the fluid media are more sanitary.

2. The utility model provides a control valve with sampling function, wherein one end of the sampling tube close to the valve body of the control valve is higher than one end of the sampling tube far away from the valve body of the control valve; work as the sampling tube is close to control valve body one end is higher than it keeps away from control valve body one end, and when the sampling valve opened, fluid medium in the fluid passage can be along with the action of gravity, directly flows into the sampling tube in, conveniently takes a sample at the sample connection.

3. The utility model provides a control valve with sampling function, which also comprises a valve cover component, wherein the rotating hand wheel of the sampling valve is obliquely arranged in the direction far away from the valve cover component; through the slope setting, make things convenient for the sample valve through the operation of rotating the hand wheel, increased the operating space of rotating the hand wheel, be convenient for open the sample valve and take a sample from the sampling pipe.

4. The utility model provides a control valve with sampling function, wherein a vent is arranged at the sampling port of a sampling tube; the air vent to let in aseptic steam in the sampling tube, through to the air vent to let in aseptic steam in the sampling tube can be so that before the sample, guarantee that the sampling tube is under aseptic environment near the sample connection, such sample mode can make fluid medium not receive environmental pollution.

5. The utility model provides a control valve that possesses sample function, the blow vent sets up its pipe wall upside of sampling tube, because the density of aseptic steam is less than the air, just is close to from the pipe wall upside the position of control valve body is ventilated, can make near the quick sample connection who is full of whole sampling tube of aseptic steam, can guarantee that fluid medium does not receive environmental pollution.

6. The utility model provides a control valve with sampling function, still include first valve pocket and through the boss with the second valve pocket that first valve pocket links to each other, first valve pocket department still is equipped with the first fluid passage who switches on with first valve pocket, second valve pocket department still is equipped with the second fluid passage who switches on with the second valve pocket, first fluid passage and/or the second fluid passage with the boss is smooth to link to each other; when fluid medium or disinfection cleaning liquid flows out from the first fluid passage and/or the second fluid passage, the fluid medium or the disinfection cleaning liquid can be poured down along the inner wall of the first valve cavity or the second valve cavity, and as the first fluid passage and/or the second fluid passage are smoothly connected with the boss, no liquid buffer area exists at the tangent position of the first fluid passage and/or the second fluid passage and the boss, so that a bacteria breeding dead angle is not easy to occur, and the purity of the fluid medium is favorably ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a control valve with a sampling function according to the present invention;

fig. 2 is a schematic perspective view of a control valve with a sampling function according to the present invention; description of reference numerals:

1-control valve body; 2-a sampling valve; 3-sampling tube; 4-a second valve cavity; 5-a first fluid channel; 6-a second fluid channel; 7-a second fluid channel; 8-boss; 9-a first valve chamber; 11-a vent; 12-control valve tube; 14-a sampling valve body; 15-valve cover assembly.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

A control valve with a sampling function is described, as shown in fig. 1, comprising: a control valve body 1; a control valve pipe 12 connected with the control valve body 1; sampling valve 2, comprising: a sampling valve body 14; the sampling valve 2 is connected with the control valve body 1 and/or the control valve pipe 12, the control valve body 1 and the sampling valve body 14 are integrally formed, the sampling valve 2 further comprises a sampling pipe 3 directly connected with the control valve body 1, and the end surface of the sampling pipe 3 communicated with the control valve body 1 and the inner wall cambered surface of the control valve body 1 form a smooth connecting surface; in the prior art, a sampling valve is generally arranged on fluid passages of various valves, when the sampling valve is arranged on the fluid passages of various valves, a sampling pipe of the sampling valve needs to be stretched into the fluid passages, fluid in the fluid passages flows into the sampling pipe of the sampling valve and flows out from the other end of the sampling pipe, so that the purpose of sampling is achieved, but because the sampling pipe is directly welded on the fluid passages, a large number of dead-angle areas exist at the welded junction, and the welding seam area is not easy to polish, a crater phenomenon exists, materials cannot flow out and stay at the dead angle, and conditions are created for the aggregation and propagation of microorganisms, in the scheme, because the control valve body 1 and the sampling valve body 14 are integrally formed without welding, the crater phenomenon cannot exist, so that the structure is more compact and attractive; and the end surface of the sampling tube 3 communicated with the control valve body 1 and the inner wall cambered surface of the control valve body 1 form a smooth connecting surface, so that a smooth arc transition surface exists between the end surface of the sampling tube 3 and the inner wall of the control valve body 1, and when fluid medium circulates in the control valve body 1, a dead angle area does not exist, so that the fluid medium is more sanitary. In addition, the rotation hand wheel orientation of sample valve 2 is kept away from the slope of 15 directions of valve gap subassembly sets up, sets up through the slope, makes things convenient for sample valve 2 to increase the operating space of rotation hand wheel through the operation of rotating the hand wheel, is convenient for open sample valve 2 valve and take a sample from sampling tube 3.

Wherein, one end of the sampling tube 3 close to the control valve body 1 is higher than one end of the sampling tube far away from the control valve body 1; and the sampling tube 3 is a circular arc-shaped pipeline; the sampling tube 3 is directly connected with the first fluid channel 5 and/or the second fluid channel 6; work as the sampling tube 3 is close to 1 one end of control valve body is higher than it keeps away from 1 one end of control valve body, and when 2 valves of sample valve were opened, the fluid medium in the fluid passage can be along with the action of gravity, directly flows into in the sampling tube 3, conveniently takes a sample at the sample connection.

As shown in fig. 2, a vent 11 is arranged at the sampling opening of the sampling tube 3; vent 11 to let in aseptic steam in the sampling tube 3, through to vent 11 to let in aseptic steam in the sampling tube 3, can be so that before the sample, guarantee that sampling tube 3 is in under the sterile environment near the sample connection, such sample mode can be so that fluid medium does not receive environmental pollution, vent 11 sets up its pipe wall upside of sampling tube 3, because aseptic steam's density is less than the air, ventilates from the position of pipe wall upside, can make near the sample connection that is full of whole sampling tube that aseptic steam is quick, can guarantee that fluid medium does not receive environmental pollution.

The control valve with the sampling function further comprises a valve cover assembly 15, and a rotating hand wheel of the sampling valve 2 is obliquely arranged towards the direction far away from the valve cover assembly 15; through the slope setting, make things convenient for sample valve 2 through the operation of rotating the hand wheel, increased the operating space who rotates the hand wheel, be convenient for open sample valve 2 valve and take a sample from sampling tube 3.

The control valve with the sampling function further comprises a first valve cavity 9 and a second valve cavity 4 connected with the first valve cavity 9 through a boss 8, a first fluid passage 5 communicated with the first valve cavity 9 is further arranged at the first valve cavity 9, a second fluid passage 6 communicated with the second valve cavity 4 is further arranged at the second valve cavity 4, and the first fluid passage 5 and/or the second fluid passage 6 are smoothly connected with the boss 8; when fluid medium or disinfection cleaning liquid flows out from the first fluid passage 5 and/or the second fluid passage 6, the fluid medium or disinfection cleaning liquid is poured along the inner wall of the first valve cavity 9 or the second valve cavity 4, and as the first fluid passage 5 and/or the second fluid passage 6 is smoothly connected with the boss 8, no liquid buffer area exists at the tangent position of the first fluid passage 5 and/or the second fluid passage 6 and the boss 8, so that a bacteria breeding dead angle is not easy to occur, and the purity of the fluid medium is ensured.

Example 2

A control valve with a sampling function is described, which comprises: a control valve body 1; a control valve pipe 12 connected with the control valve body 1; sampling valve 2, comprising: a sampling valve body 14; the sampling valve 2 is connected with the control valve body 1 and/or the control valve pipe 12, the control valve body 1 and the control valve pipe 12 are integrally formed, the sampling valve 2 further comprises a sampling pipe 3 directly connected with the control valve pipe 12, and the end face of the sampling pipe 3 communicated with the control valve pipe 12 and the inner wall cambered surface of the control valve pipe 12 form a smooth connecting face; in the prior art, a sampling valve is generally arranged on a fluid passage of various valves, when the sampling valve is arranged on the fluid passage of various valves, a sampling tube of the sampling valve needs to be stretched into the fluid passage, fluid in the fluid passage flows into the sampling tube of the sampling valve and flows out from the other end of the sampling tube, so that the sampling purpose is achieved, but because the sampling tube is directly welded on the fluid passage, a large number of dead-angle areas exist at the welded junction, and the welding seam area is not easy to polish, a crater phenomenon exists, materials cannot flow out and stay at the dead angle, and conditions are created for the aggregation and propagation of microorganisms; and the end surface of the sampling tube 3 communicated with the control valve tube 12 and the inner wall cambered surface of the control valve body 1 form a smooth connecting surface, so that a smooth arc transition surface exists between the end surface of the sampling tube 3 and the inner wall of the control valve tube 12, and when fluid medium circulates in the control valve tube 12, a dead angle area does not exist, so that the fluid medium is more sanitary. In addition, the rotation hand wheel orientation of sample valve 2 is kept away from the slope of 15 directions of valve gap subassembly sets up, sets up through the slope, makes things convenient for sample valve 2 to increase the operating space of rotation hand wheel through the operation of rotating the hand wheel, is convenient for open sample valve 2 valve and take a sample from sampling tube 3.

Wherein, one end of the sampling tube 3 close to the valve tube 12 of the control valve is higher than one end of the sampling tube far away from the valve body 1 of the control valve; and the sampling tube 3 is a circular arc-shaped pipeline; the sampling tube 3 is directly connected with the first fluid channel 5 and/or the second fluid channel 6; when the sampling pipe 3 is close to control valve pipe 12 one end is higher than it keeps away from control valve pipe 12 one end, and when the 2 valves of sample valve were opened, fluid medium in the fluid passage can be along with the action of gravity, directly flows into in the sampling pipe 3, conveniently takes a sample at the sample connection.

A vent 11 is arranged at the sampling port of the sampling tube 3; vent 11 to let in aseptic steam in the sampling tube 3, through to vent 11 to let in aseptic steam in the sampling tube 3, can be so that before the sample, guarantee that sampling tube 3 is in under the sterile environment near the sample connection, such sample mode can be so that fluid medium does not receive environmental pollution, vent 11 sets up its pipe wall upside of sampling tube 3, because aseptic steam's density is less than the air, ventilates from the position of pipe wall upside, can make near the sample connection that is full of whole sampling tube that aseptic steam is quick, can guarantee that fluid medium does not receive environmental pollution.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A control valve with a sampling function, comprising:

a control valve body (1);

the control valve pipe (12) is connected with the control valve body (1);

sampling valve (2) comprising: a sampling valve body (14);

sample valve (2) with control valve body (1) and/or with control valve pipe (12) link to each other, control valve body (1) with sample valve body (14) integrated into one piece, sample valve (2) still include with sampling tube (3) that control valve body (1) directly links to each other, sampling tube (3) with the terminal surface that control valve body (1) is linked together with the inner wall cambered surface of control valve body (1) forms a smooth face of being connected.

2. The control valve with sampling function according to claim 1, characterized in that the end of the sampling tube (3) close to the control valve body (1) is higher than the end far away from the control valve body (1).

3. The control valve with the sampling function according to claim 1, further comprising a valve cover assembly (15), wherein the rotating hand wheel of the sampling valve (2) is obliquely arranged in a direction away from the valve cover assembly (15).

4. The control valve with sampling function according to claim 1, characterized in that the sampling tube (3) is provided with a vent (11) at the sampling port; and sterile steam is introduced into the sampling tube (3) through the vent hole (11).

5. Control valve with sampling function according to claim 4, characterized in that the vent (11) is arranged on the upper side of the tube wall of the sampling tube (3).

6. The control valve with sampling function according to any one of claims 1 to 5, further comprising: first valve pocket (9) and through boss (8) with second valve pocket (4) that first valve pocket (9) link to each other, first valve pocket (9) department still be equipped with first fluid passage (5) that first valve pocket (9) switched on, second valve pocket (4) department still be equipped with second fluid passage (6) that second valve pocket (4) switched on, first fluid passage (5) and \ or second fluid passage (6) with boss (8) are in the same direction as continuous.

7. Control valve with sampling function according to claim 1, characterized in that the sampling tube (3) is a circular arc shaped pipe.

8. Control valve with sampling function according to claim 6, characterized in that the sampling tube (3) is directly connected to the first fluid channel (5) and/or the second fluid channel (6).