KR102056055B1 - Valve Assembly for Sampling - Google Patents

Abstract

A valve assembly for collecting a sample according to the present invention relates to the valve assembly for collecting the sample wherein the sample is extracted when mounted on a tank including an accommodating space accommodating the sample, comprising: a body having an insertion space formed therein for forming a front opening part and a rear opening part by penetrating in a front/rear direction, and having a rear end connected to a tank such that the insertion space communicates with the accommodating space; a moving rod which is movably accommodated in the insertion space in the forward/backward direction, having a sample flow path formed therein so as to allow a sample to flow into the rear end to be discharged to a front end, and opening the rear opening part of the body when moving forward such that the sample of the accommodating space is flowed into the insertion space; and an operation member for moving the moving rod back and forth by an external operation. Therefore, the present invention effectively maintains a sterilization state and allows the sample to be collected.

Description

Valve Assembly for Sampling

The present invention relates to a sampling valve assembly, and more particularly, to a sampling valve assembly having an excellent sterilization state and having a simple and efficient sampling process.

Various biological samples are often stored in large quantities in sterile tanks due to their nature. In addition, when a biological sample contained in the tank is to be collected for a specific purpose such as sterilization test, the tank is provided with a sampling valve to discharge the sample to a certain amount.

However, after the sample is collected through the sampling valve as described above, bacteria are multiplied by the sample remaining in the valve, so that the valve is contaminated and thus cannot be used.

In order to solve such a problem, conventionally, a method of sterilizing by sterilizing the valve itself with steam after sampling was used.

However, this method requires a steam sterilization process every time a sample is taken, which is not only cumbersome, but also requires a long time, and requires additional equipment to supply steam. There was a problem of waste.

In addition, after the sterilization operation using steam, the condensed water in which the steam supplied to the inside of the valve is changed is generated, which may cause a problem in the result due to the dilution of the sample due to the condensed water during initial sampling. Done.

In addition, the conventional sampling valve is inconvenient to use due to the complicated structure, and thus there is a problem that the possibility of contamination by bacteria is higher.

Therefore, there is a need for a method for solving such problems.

Korean Patent Publication No. 10-2015-0023083

The present invention has been made in order to solve the above-mentioned problems of the prior art, and has an object to provide a sampling valve assembly for effectively taking a sample while maintaining a sterile state.

It is also an object of the present invention to provide a sampling valve assembly that simplifies the internal structure so that sampling can be done reasonably and simply.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

The sampling valve assembly of the present invention for achieving the above object is mounted in a tank including a receiving space for receiving a sample in the sampling valve assembly for extracting the sample, the front opening is penetrated in the front and rear direction And an insertion space defining a rear opening is formed therein, and a rear end portion is connected to the tank, and the insertion space is received in the body in communication with the accommodation space, and is movable in the front and rear direction in the insertion space. A sample flow path is formed therein to be introduced and discharged to the front end portion, and the moving rod is opened by an external operation and a moving rod for opening the rear opening of the body to move the sample into the insertion space when moving forward. It includes an operation member for moving back and forth.

The moving rod may include a main rod part having a first diameter, an extension part connected to the front of the main rod part, an extension part having a second diameter smaller than the first diameter, and a front part of the extension part connected to the front of the body. It may include a valve portion which protrudes, is connected to the nozzle portion and the main rod portion discharged from the sample, and selectively opens or shields the rear opening of the body according to the forward and backward movement of the moving rod.

In addition, the rear end portion of the insertion space is formed to gradually decrease in diameter, the valve portion may include a damping portion formed to gradually decrease in diameter in a form corresponding to the rear end of the insertion space.

An introduction passage may be formed inside the valve to communicate a rear end of the sample passage and the insertion space with each other.

In addition, the sampling valve assembly of the present invention is formed to wrap around at least a portion of the moving rod, the elastic member is compressed when the moving rod is moved forward to provide a restoring force for moving the moving rod back to the rear again It may further include.

And the sampling valve assembly of the present invention, wrapped around the fixed length of the moving rod, the operation member is rotatably connected, the front and rear displacement is variable with the moving rod according to the rotation angle of the operation member The member may further include.

At this time, the connection member, the fixing portion is formed in a form surrounding the portion of the moving rod and the projection protruding in the lateral direction of the fixing portion, the operation member, the rotating portion rotatably connected to the projection and It may include an operation unit extending by a predetermined length from the rotating unit to enable external operation.

In addition, the sampling valve assembly of the present invention may further include a support cover formed to surround the outer peripheral surface of the front end portion of the body to support the rotating part from the rear.

Here, the rotating part is formed at a position in which the rotating shaft is eccentric, and when the rotating part is rotated in one direction, the position of the rotating shaft is moved back and forth as the distance between the rotating shaft and the contact point of the support cover is changed, According to the forward and backward movement, the connecting member and the moving rod may be moved back and forth together.

The fixed part may be formed as an open area in which a part of the entire circumference of the moving rod is opened to form a longitudinal cross section.

Valve assembly for sampling according to the present invention for solving the above problems, since the internal structure has a gamma sterilized state can effectively maintain a sterilized state, and according to an embodiment of the present invention after using the internal moving rod The advantage is that it does not require a separate sterilization process because it can be replaced

In addition, the internal structure is extremely simple, the user can simply take a sample simply by rotating the operation member, it is possible to safely prevent the leakage of the sample in a situation where the operation is not made.

And it is possible to diversify the specification of the moving rod has the advantage that the sample can be recovered as necessary.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view showing a state of a tank equipped with a sampling valve assembly according to a first embodiment of the present invention;
2 is a view showing an external view of a sampling valve assembly according to a first embodiment of the present invention;
3 is a view showing an internal structure of a sampling valve assembly according to a first embodiment of the present invention;
4 is a view showing the external appearance of the moving rod in the sampling valve assembly according to the first embodiment of the present invention;
5 is a view showing the internal structure of the moving rod in the sampling valve assembly according to the first embodiment of the present invention;
6 is a view showing a process of collecting a sample using the valve assembly for sampling according to the first embodiment of the present invention;
7 and 8 are views showing the connection member in the sampling valve assembly according to the first embodiment of the present invention; And
9 and 10 are views showing the structure of a sampling valve assembly according to a second embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the description of this embodiment, the same name and the same reference numerals are used for the same configuration and additional description thereof will be omitted.

1 is a view showing a state of a tank 10 provided with a valve assembly 100 for sampling according to a first embodiment of the present invention.

As shown in FIG. 1, the sampling valve assembly 100 according to the first embodiment of the present invention is mounted in a tank 10 including a receiving space in which a sample is accommodated, and provided to extract a sample. do.

In the present embodiment, the lower periphery of the tank 10 is provided with a valve mounting portion 12 on which the sampling valve assembly 100 is mounted, and the valve mounting portion 12 has at least one sampling valve assembly 100. ) May be provided.

2 is a view showing the external appearance of the sampling valve assembly 100 according to the first embodiment of the present invention, Figure 3 is an interior of the sampling valve assembly 100 according to the first embodiment of the present invention. It is a figure which shows a structure.

2 and 3, the sampling valve assembly 100 according to the first embodiment of the present invention is largely the body 110, the moving rod 150, the operation member 130, the connection member ( 140 and an elastic member 160.

The body 110 provides a base frame provided with other components, and a rear end thereof is connected to the tank 10 (see FIG. 1).

In addition, the body 110 penetrates in the front-rear direction to form an insertion space H that forms a front opening part and a rear opening part therein, and the insertion space H is provided with a moving rod 150.

In the present embodiment, the rear end of the body 110 is provided with a connecting flange 112 which is formed to be fastened to the tank 10, the plurality of insertion space (H) is formed radially with respect to the center Is placed. At this time, the moving rod 150 may be provided in each insertion space (H).

In addition, since the insertion space (H) has a form in which both front and rear openings, the insertion space (H) and the receiving space of the tank 10 in the state in which the connection flange 112 is connected to the tank (10) Communicating.

The moving rod 150 is accommodated to be movable in the front and rear direction in the insertion space (H), a sample flow path (157 (see Fig. 5)) is formed therein to allow the sample to flow into the rear end and discharge to the front end, the front When moving to play the role of opening the rear opening of the insertion space (H) so that the sample of the receiving space flows into the insertion space (H) side.

And the operation member 130 is provided to move the moving rod 150 back and forth by an external operation.

In addition, the connection member 140 is wrapped around the fixed length of the moving rod 150, but the operation member 130 is rotatably connected, the moving rod 150 according to the rotation angle of the operation member 130 The front and rear displacements can be varied.

At this time, the elastic member 160 is formed to surround at least a portion of the moving rod 150, the moving rod 150 is compressed to move forward to move the moving rod 150 back to the back It is responsible for providing resilience.

Meanwhile, in the present embodiment, each component may be manufactured in a gamma sterilized state. In this case, it is possible to effectively maintain the sterilization state, as well as the advantage of not needing a separate pipe structure for flowing steam.

Hereinafter, the detailed structure of the peripheral components including the movable rod 150 and the operation process of the movable rod 150 will be described in more detail.

4 is a view showing the external appearance of the moving rod 150 in the sampling valve assembly according to the first embodiment of the present invention, Figure 5 is a sampling valve assembly according to the first embodiment of the present invention In this figure, the internal structure of the movable rod 150 is shown.

As shown in FIGS. 4 and 5, in this embodiment, the moving rod 150 includes a main rod portion 151, an extension portion 153, a nozzle portion 152, and a valve portion 154. Include.

The main rod part 151 has a state inserted into the insertion space (H) of the body 110, and has a first diameter.

The extension part 153 is connected to the front of the main rod part 151 and is formed to have a second diameter smaller than the first diameter. This is to allow the elastic member 160 and the connection member 140 to be provided around the extension part 153.

In addition, the nozzle unit 152 is connected to the front of the extension portion 153 protrudes in front of the body 110, and includes an injection hole for the sample is discharged.

The valve portion 154 is connected to the rear of the main rod portion 151, and selectively opens the rear opening formed in the insertion space (H) of the body 110 in accordance with the forward and backward movement of the movable rod 150. Can be shielded or shielded.

At this time, the rear end portion of the insertion space (H) may be formed so that the diameter gradually decreases, the valve portion 154 is a damping portion formed so that the diameter gradually decreases in a form corresponding to the rear end of the insertion space (H) 155 may include. This is to allow the valve unit 154 to more stably shield the rear opening of the insertion space (H) in the state in which the movable rod 150 is moved to the rear.

In addition, as described above, a sample flow path 157 is formed inside the moving rod 150 to allow a sample to flow into the rear end and be discharged to the front end. In this embodiment, the sample flow path is formed inside the valve part 154. An introduction passage 156 is formed to communicate the rear end 157 and the insertion space H of the body 110 with each other.

On the other hand, a circumference of the movable rod 150 may be provided with a ring-shaped sealing member 170 for each predetermined position, which is to improve airtightness between the movable rod 150 and the body 110.

In this embodiment, the elastic member 160 is formed to surround a portion of the extension part 153 of the movable rod 150, and has a state of being inserted into the insertion space (H).

At this time, the front end of the elastic member 160 may be provided to be caught on the step 114 formed in the body 110, accordingly, when the moving rod 150 is moved forward, the elastic member 160 Is compressed between the step 114 and the main rod portion 151 of the movable rod 150 may provide a restoring force for moving the movable rod 150 back.

The connecting member 140 wraps around and fixes a part of the moving rod 150 and the operating member 130 is rotatably connected to the moving rod 150 according to the rotation angle of the operating member 130. In addition, the front and rear displacement is a component that is variable.

In the present embodiment, the connecting member 140 is formed in a shape of surrounding the extension part 153 of the moving rod 150 in front of the length of the moving rod 150, specifically, the elastic member 160. It has a form including a fixing part 142, and a protrusion 144 protruding in the lateral direction of the fixing part 142.

In addition, the operation member 130 includes a rotating part 134 rotatably connected to the protrusion 144 and an operating part 132 extending from the rotating part 134 by a predetermined length to enable external operation.

At this time, in the present embodiment, it is formed to surround the outer peripheral surface of the front end of the body 110 may further include a support cover 120 for supporting the rotating part 134 from the rear, the support cover 120 is It may be formed to be rotatably coupled or separated by the body 110 and the thread.

In addition, in the present embodiment, the rotating part 134 of the operating member 130 is formed at a position in which the rotating shaft is eccentric, so that the rotating shaft of the rotating part 134 and the support cover when the rotating part 134 is rotated in one direction. The distance to the point of contact with 120 may vary.

As the distance between the rotating shaft of the rotating unit 134 and the contact point of the support cover 120 is changed, the position of the rotating shaft is moved back and forth, and the connecting member 140 and the moving unit connected to the rotating unit 134 are moved. The rod 150 can be moved back and forth together.

6 is a view showing a process of collecting a sample using the sampling valve assembly 100 according to the first embodiment of the present invention having the structure as described above.

As shown in FIG. 6, when the user grabs the operation unit 132 of the operation member 130 and rotates it outward to collect a sample from the tank 10, the rotation unit 134 rotates together and rotates with the rotation shaft. The distance to the contact point with the support cover 120 is increased, and the connecting member 140 and the moving rod 150 are advanced as a whole.

In this process, the valve unit 154 of the movable rod 150 opens the rear opening of the insertion space H formed in the body 110, and the sample accommodated in the accommodation space of the tank 10 It is introduced into the insertion space (H), flows through the introduction passage 156 and the sample passage 157 of the movable rod 150 is discharged through the nozzle unit 152.

In this case, since the elastic member 160 has a compressed state between the step 114 and the main rod 151 of the movable rod 150, the user takes a sample to the operation member 130. When the external force is removed, the elastic member 160 may be restored to its original shape and the movable rod 150 may move backward.

As described above, the present invention has an advantage that the user can easily take a sample simply by rotating the operation member 130 because the internal structure is extremely simple, and prevents leakage of the sample safely in a situation where the operation is not made. You can do it.

Meanwhile, in the present embodiment, the movable rod 150 may be formed to be selectively replaceable, and thus, after all the movable rods 150 are used, the movable rod 150 may be replaced to maintain the best hygienic state.

7 and 8 are views showing the connection member 140 in the sampling valve assembly 100 according to the first embodiment of the present invention.

As described above, the connection member 140 is a fixing portion 142 and the fixing portion formed in a form surrounding the extension portion 153 of the moving rod 150 in front of the elastic member 160, and the fixing portion ( 142 protruding in the lateral direction.

At this time, in the present embodiment, the fixing part 142 may be formed as an open area 143 in which a part of the entire circumference of the moving rod 150 is opened to have a non-circular shape.

The reason for doing this is that, as shown in Figure 8 in the state in which the connecting member 140 and the movable rod 150 is inserted into the body, the open area 143 is in contact with the inner surface of the insertion space (H) of the body The movement rod 150 is to prevent the free rotation.

In addition, in order to further enhance such an effect, a cross section of the fixing part 142 exposed to the open area 143 may be formed flat.

The first embodiment of the present invention has been described above. Hereinafter, another embodiment of the present invention will be described.

9 and 10 are views showing the structure of the sampling valve assembly 100 according to the second embodiment of the present invention.

In the case of the second embodiment of the present invention shown in Figs. 9 and 10, all components are formed in the same manner as the above-described first embodiment. However, in the present embodiment, the operation member 130 is different from the first embodiment in that it has a form including a cover portion 136 in addition to the operation portion 132, the rotating portion 134.

Specifically, the cover part 136 is inward from the operation part 132 so as to shield the front end of the nozzle part 152 of the movable rod 150 in a state where the operation member 130 is not rotated outward. It is provided in an extended form.

Accordingly, the cover part 136 shields the front end of the nozzle unit 152 in a state in which the user removes an external force on the operation member 130 immediately after the sample is taken and the moving rod 150 is restored to the rear. The sample remaining in the sample passage 157 (refer to FIG. 5) inside the moving rod 150 may be prevented from being discharged through the nozzle unit 152.

In order to improve the shielding effect of the nozzle unit 152, a shielding member 137 formed of a material having excellent sealing property may be further provided between the cover part 136 and the front end of the nozzle part 152. .

In addition, as shown in Figure 10, the number of times to drain the sample remaining in the insertion space (H) in the rear end of the body 110 in this embodiment to recover to the receiving space (S) side of the tank 10 again The flow passage 113 may be further formed.

The recovery channel 113 may be in communication with the connection channel 14 formed in the tank 10 so as to recover the sample remaining in the insertion space (H) after sample collection, and also the recovery path of the residual sample It may further include a one-way valve 115 provided in. The one-way valve 115 serves to prevent the backflow of the sample from the receiving space (S) of the tank 10 to the insertion space (H) side.

That is, the present embodiment prevents the sample remaining in the insertion space H from leaking through the cover part 136 and the recovery flow passage 113 of the operation member 130 to the outside, and at the same time, the tank 10. Recollection to the side prevents the sample from being discarded.

As described above, a preferred embodiment according to the present invention has been described, and the fact that the present invention can be embodied in other specific forms in addition to the above-described embodiments without departing from the spirit or scope thereof has ordinary skill in the art. It is obvious to them. Therefore, the above-described embodiments should be regarded as illustrative rather than restrictive, and thus, the present invention is not limited to the above description and may be modified within the scope of the appended claims and their equivalents.

10: tank
100: sampling valve assembly
110: body
H: Insertion space
120: support cover
130: operation member
132: control panel
134: rotating part
140: connecting member
142: fixed part
144: protrusion
150: moving rod
151: main rod part
152: nozzle unit
153: extension
154: valve portion
160: elastic member
170: sealing member

Claims (10)

In the sampling valve assembly for extracting the sample mounted on a tank including a receiving space for receiving a sample,
An insertion space formed therein to penetrate in the front-rear direction to form a front opening portion and a rear opening portion, and a rear end portion thereof is connected to the tank so that the insertion space communicates with the accommodation space;
The sample passage is accommodated in the insertion space so as to be movable in the front-rear direction, and a sample flow path is formed therein to allow the sample to flow into the rear end and be discharged to the front end portion. A moving rod to be introduced into the insertion space;
An operation member for moving the moving rod back and forth by external operation; And
A connecting member fixedly wrapped around a length of the moving rod, the operation member being rotatably connected, and having a front and back displacement varying with the moving rod according to a rotation angle of the operation member;
Including,
The connecting member,
The sample collection valve assembly is formed in a shape to surround the length of the moving rod, a portion of the entire circumference surrounding the moving rod is formed as an open area is formed in a non-circular cross-section. The method of claim 1,
The moving rod is
A main rod portion having a first diameter;
An extension part connected to the front of the main rod part and having a second diameter smaller than the first diameter;
A nozzle unit connected to the front of the extension part and protruding toward the front of the body, wherein the sample is discharged; And
A valve portion connected to the rear of the main rod portion and selectively opening or shielding the rear opening of the body according to the forward and backward movement of the movable rod;
Sampling valve assembly comprising a. The method of claim 2,
The rear end of the insertion space is formed so that the diameter gradually decreases,
The valve unit is a sampling valve assembly including a damping portion formed to gradually decrease in diameter in a form corresponding to the rear end of the insertion space. The method of claim 2,
A valve assembly for sampling, wherein an introduction flow path is formed inside the valve to communicate the rear end of the sample flow path and the insertion space with each other. The method of claim 1,
And a resilient member that is formed to surround at least a portion of the moving rod, and provides a restoring force for compressing when the moving rod moves forward to move the moving rod back to the rear. delete The method of claim 1,
The connecting member,
A protrusion protruding in the lateral direction of the fixing part,
The operation member,
A rotating part rotatably connected to the protrusion; And
An operation unit extending from the rotation unit by a predetermined length to enable external operation;
Sampling valve assembly comprising a. The method of claim 7, wherein
And a support cover formed to surround the outer circumferential surface of the front end of the body to support the rotating part from the rear side. The method of claim 8,
The rotating part is formed at a position in which the rotating shaft is eccentric, and when the rotating part is rotated in one direction, the position of the rotating shaft is moved back and forth as the distance to the contact point between the rotating shaft and the support cover is changed.
Sample assembly valve assembly that the connection member and the moving rod is moved back and forth together with the forward and backward movement of the rotary shaft. delete

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