CN215677771U

CN215677771U - Sample retention and distribution device

Info

Publication number: CN215677771U
Application number: CN202121574121.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guilin Hepuda Technology Co ltd; Guilin Yunjing Technology Co ltd
Current assignee: Guilin Hepuda Technology Co ltd; Guilin Yunjing Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-28
Anticipated expiration: 2031-07-12

Abstract

The application discloses leave a kind distributor, leave a kind distributor and have the flow path combination of at least one public port and n distribution ports, this public port can switch on one of them distribution port or whole nonconducting alternatively, the distribution port passes through the water conservancy diversion pipeline with liquid water conservancy diversion to leaving a kind bottle, n is more than or equal to 2's natural number, wherein, partial water conservancy diversion pipeline sets up on lifting the apron of lid structure, leaves a kind bottle and sets up in the appearance intracavity that leaves of lifting the lid structure. According to the technical scheme of this application, leave a kind distributor and use and easy maintenance, small, with low costs.

Description

Sample retention and distribution device

Technical Field

The application relates to the technical field of environmental monitoring, more specifically relates to a leave a kind distributor.

Background

In a water quality on-line monitoring system, an automatic sample retention device is often needed to collect and store a water sample, however, the development of the automatic sample retention device is restricted by a sample retention distribution device.

The existing sample retention distribution device mostly adopts a stepping motor to drive a diversion arm to rotate or a diversion port to move transversely and longitudinally, so as to inject different liquid samples into different sample retention bottles or diversion disks (liquid samples are respectively injected into the sample retention bottles from each liquid outlet of the diversion disks). Therefore, the automatic sample reserving device needs to reserve a running space of the shunt arm or the shunt port, so that the automatic sample reserving device is large in size and limited in application. On the other hand, the existing sample retention and distribution device has a plurality of devices, high manufacturing cost and inconvenient maintenance.

Therefore, how to provide a solution that at least to some extent overcomes at least some of the above-mentioned drawbacks is a technical problem to be solved in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, this application has provided a leave a kind distributor, through the setting of lifting the lid structure, leaves taking of appearance bottle convenient, leaves a kind distributor and easily maintains, simultaneously, lifts the lid structure and can carry out regular to the pipeline for this leaves a kind distributor's instrument is inside neat and artistic, and on the other hand, this leaves a kind distributor can realize liquid distribution with less device, has reduced the occupation space who leaves a kind distributor.

According to an aspect of the application, a sample retention distribution device is provided, the sample retention distribution device is provided with a flow path combination of at least one public port and n distribution ports, the public port can alternatively conduct one of the distribution ports or be not conducted, the distribution ports guide liquid to sample retention bottles through guide pipelines, n is a natural number greater than or equal to 2, wherein part of the guide pipelines are arranged on a lifting cover plate of a lifting cover structure, and the sample retention bottles are arranged in sample retention containing cavities of the lifting cover structure.

Preferably, the end of the diversion pipeline is provided with a conduit joint, the conduit joint is arranged in the lifting cover plate and corresponds to the sample reserving bottle, when the lifting cover structure is in a closed state, the conduit joint is in compression fit with the bottle cap or the bottle mouth of the sample reserving bottle, or the conduit joint is arranged above the sample reserving bottle.

Preferably, the conduit joint is provided with a projection for clamping a notch or a bottle mouth on the bottle cap of the retention bottle; or, the catheter connector is provided with a notch, and the bottle cap of the sample retention bottle is provided with a protrusion, and the protrusion is clamped in the notch.

Preferably, the lifting cover plate is arranged on the sample holding cavity, and the lifting cover plate is connected with the upper part of the sample holding cavity in an overturning manner.

Preferably, the lifting cover plate is arranged on the sample holding cavity in a covering mode, and the lifting cover plate is detachably connected with the upper portion of the sample holding cavity.

Preferably, the sample retention and distribution device comprises a pump set or a valve set or a combination thereof to constitute a flow path combination of at least one common port and N distribution ports.

Preferably, the diversion pipeline extends to the upper part or the inner part of the sample retention bottle.

Preferably, an emptying pipeline is arranged in the sample retention bottle, the emptying pipeline extends to the bottom of the sample retention bottle, and when the cover lifting structure is in a closed state, the flow guide pipeline is communicated with the emptying pipeline.

Preferably, the sample retention and distribution device comprises a dosing pipeline, one end of the dosing pipeline is communicated with the common port, and the other end of the dosing pipeline extends to the dosing reagent bottle.

Preferably, a driver is arranged on the dosing pipeline.

According to the technical scheme of this application, through the setting of lifting the lid structure, leave taking of appearance bottle convenient, leave appearance distributor and easily maintain, simultaneously, lift the lid structure and can rule the pipeline for this stays appearance distributor's instrument is inside neat and artistic, and on the other hand, this stays appearance distributor can realize liquid distribution with less device, has reduced the occupation space who stays appearance distributor.

Additional features and advantages of the present application will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model. In the drawings:

FIG. 1 is a flow diagram of a sample retention and distribution device;

FIG. 2 is a schematic view of the sample dispensing device with the cover-lifting structure in a closed state;

FIG. 3 is a schematic structural view of a first embodiment of a sample retention and dispensing device with a flip structure in an open position;

FIG. 4 is a schematic structural view of a second embodiment of a sample retention and dispensing device with a flip structure in an open state;

FIG. 5 is a schematic view of the fitting of the catheter adapter to the first embodiment of the reagent bottle;

FIG. 6 is a schematic view of the fitting of a second embodiment of a catheter adapter to a reagent bottle;

FIG. 7 is a schematic diagram of the fitting of a third embodiment of a catheter adapter to a reagent bottle; and

fig. 8 is a schematic diagram of the fitting of a fourth embodiment of a catheter adapter to a reagent bottle.

Detailed Description

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the present invention, unless otherwise specified, the use of the directional terms such as "upper, lower, left, right, front and rear" is defined under the normal use condition of the apparatus of the present invention.

As shown in fig. 1 and fig. 2, the present application provides a sample retention distribution device, which has a flow path combination of at least one common port g and n distribution ports (h1, h2, h3... hn), wherein the common port g can selectively conduct one of the distribution ports or not conduct all the distribution ports, the distribution ports (h1, h2, h3... hn) guide liquid to a sample retention bottle 32 through a flow guide pipeline 12, n is a natural number greater than or equal to 2, wherein a part of the flow guide pipeline 12 is disposed on a flip-top plate 36 of the flip-top structure, and the sample retention bottle 32 is disposed in a sample retention cavity 34 of the flip-top structure.

Preferably, the flow line 12 may extend above or within the vial 32.

Further illustrated, the leave-on distribution device comprises a pump set or a valve set or a combination thereof to constitute a flow path combination of at least one common port g and n distribution ports (h1, h2, h3... hn). Such as a multi-channel rotary switching valve, a valve bank which is composed of n stop valves, three-way valves, pinch valves and the like which are connected into the same common port g, and other valve banks which are composed of a plurality of stop valves and a plurality of multi-channel switching valves.

The existing sample retention distribution device mostly adopts a stepping motor to drive a flow distribution arm to rotate or move transversely and longitudinally, so as to inject different liquid samples into different sample retention bottles or flow guide discs (and then respectively inject the liquid samples into the sample retention bottles through liquid outlets of the flow guide discs). The distribution water conservancy diversion that "realize liquid through the flow path combination" that this application provided compares with current mode, carries out the water conservancy diversion control through the flow direction of pipe to liquid, very big saving the shared space of device, simultaneously, the liquid flow direction is difficult for receiving the influence of gravity or external force, can adapt to rock the environment of jolting and slope and placing.

Preferably, the sample retention and distribution device comprises a dosing pipeline 16, one end of the dosing pipeline 16 is communicated with the common port g, and the other end of the dosing pipeline extends to the dosing reagent bottle. Further, a driver B is arranged on the medicine adding pipeline 16, and the driver B can be a peristaltic pump. The sample retention bottle 32 is fed with the medicine through the medicine feeding pipeline 16 in the sample retention distribution device, and the sample retention bottle is not influenced by other external factors and runs stably.

The driver may be a peristaltic pump, a device or combination of devices that can drive liquid in both forward and reverse directions (sometimes using only its function of driving in one direction), while at rest can shut off the closed circuit. The driver is used for simply controlling the flow direction of the liquid, so that the cost of the sample retention and distribution device can be greatly reduced.

Leave a kind distributor and be in and leave a kind state under, the water sample flows to the distribution port that switches on with public port g from public port g, then leads the water sample water conservancy diversion to leaving a kind bottle 32 through water conservancy diversion pipeline 12.

Leave a kind distributor under the medicine state, driver B clockwise rotation, reagent gets into public pipeline jg section from adding medicine reagent bottle from tie point j, and later, driver B stall, the liquid medicine that gets into public pipeline by the drive outside public pipeline j point again flows through public port g and gets into the distribution port that switches on with public port g, then leads to the water conservancy diversion to leaving a kind bottle 32 through water conservancy diversion pipeline 12.

As shown in fig. 3, the lifting cover plate 36 is disposed above the sample holding cavity 34, and the lifting cover plate 36 is connected to the upper portion of the sample holding cavity 34 in an inverted manner, for example, the lifting cover plate 36 may be connected to the upper portion of the sample holding cavity 34 through a hinge, and when the sample holding bottle 32 needs to be taken out, the lifting cover plate 36 may be opened.

As shown in fig. 4, the lifting cover plate 36 is disposed on the sample holding cavity 34 in a covering manner, and the lifting cover plate 36 is detachably connected to the upper portion of the sample holding cavity 34, for example, the lifting cover plate 36 can be directly disposed on the upper portion of the sample holding cavity 34, and when the sample holding bottle 32 needs to be taken out, the lifting cover plate 36 can be directly taken away.

Therefore, through the arrangement of the cover lifting structure, the sample holding bottle 32 is convenient to take, the sample holding distribution device is easy to maintain, and meanwhile, the cover lifting structure can regulate pipelines, so that the inside of an instrument of the sample holding distribution device is neat and attractive.

As shown in fig. 5 to 8, a conduit connector 361 is disposed at an end of the diversion pipeline 12, and the conduit connector 361 is disposed in the cover plate 36 and corresponds to the sample retention bottle 32. The conduit connector 361 is in a press fit with the bottle cap or the bottle mouth of the sample retention bottle 32, or the conduit connector 361 is arranged above the sample retention bottle 32.

The conduit connector 361 shown in fig. 5 is disposed above the sampling bottle 32, and when the cover-lifting structure is in the closed state, the liquid is dropped into the sampling bottle 32 from the guide conduit 12 under the influence of gravity. The end of the conduit connector 361 shown in fig. 6 is flat, and when the cover-lifting structure is in a closed state, the conduit connector 361 is in a press fit with the bottle cap of the sample retention bottle 32. The conduit fitting 361 shown in fig. 7 has protrusions to snap into a notch or mouth on the cap of the specimen bottle 32. The catheter adapter 361 shown in fig. 8 has a recess and the cap of the retention vial 32 has a protrusion that snaps into the recess when the flip-top configuration is in the closed position.

Conduit coupling 361 and the bottle lid or the tight fit of bottleneck of staying kind bottle 32 can avoid volatilizing because of the open liquid that leads to of the bottleneck of staying kind bottle 32, reduces the influence to the testing result, simultaneously, can reduce the liquid spill in the transportation, is convenient for maintain.

Preferably, an emptying pipeline 14 is arranged in the sample retention bottle 32, when the cover-lifting structure is in a closed state, the diversion pipeline 12 and/or the medicine adding pipeline are/is communicated with the emptying pipeline 14, and the emptying pipeline 14 extends to the bottom of the sample retention bottle 32.

In summary, according to the technical solution of the present application, compared with the prior art, the sample retention and distribution device provided by the present invention has the following advantages:

1. the sample retention distribution device conducts diversion control on the flow direction of liquid through the plurality of guide pipes, flexible liquid distribution can be achieved through fewer devices, and meanwhile the occupied space of the sample retention distribution device is reduced.

2. Through the arrangement of the cover-lifting structure, the sample retention bottle 32 is convenient to take, and the sample retention distribution device is easy to maintain.

3. The cover lifting structure can regulate pipelines, so that the instrument inside of the sample retention and distribution device is neat and attractive.

The preferred embodiments of the present application have been described in detail above, but the present application is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present application within the technical idea of the present application, and these simple modifications all belong to the protection scope of the present application.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described in the present application.

In addition, any combination of the various embodiments of the present application can be made, and the same should be considered as the disclosure of the present invention as long as the combination does not depart from the spirit of the present application.

Claims

1. The sample retention distribution device is characterized by comprising a flow path combination of at least one common port (g) and n distribution ports (h1, h2, h3... hn), wherein the common port (g) can be alternatively communicated with one distribution port or not communicated with the other distribution port, the distribution ports (h1, h2, h3... hn) guide liquid to sample retention bottles (32) through guide pipelines (12), n is a natural number which is more than or equal to 2, part of the guide pipelines (12) are arranged on a lifting cover plate (36) of a lifting cover structure, and the sample retention bottles (32) are arranged in sample retention cavities (34) of the lifting cover structure.

2. The sample retention and distribution device according to claim 1, wherein a conduit connector (361) is disposed at an end of the flow guide pipeline (12), the conduit connector (361) is disposed in the lifting cover plate (36) and corresponds to the sample retention bottle (32), when the lifting cover structure is in the closed state, the conduit connector (361) is in a press fit with a bottle cap or a bottle mouth of the sample retention bottle (32), or the conduit connector (361) is disposed above the sample retention bottle (32).

3. A sample retention and dispensing device according to claim 2, characterized in that the conduit fitting (361) has a projection to snap into a recess or mouth on the cap of the sample retention vial (32); alternatively, the catheter adapter (361) has a recess and the cap of the retention vial (32) has a projection that snaps into the recess.

4. The sample retention and distribution device according to claim 1, wherein the lifting plate (36) is disposed above the sample retention cavity (34), and the lifting plate (36) is connected with the upper part of the sample retention cavity (34) in a turning manner.

5. The sample retention and distribution device according to claim 1, wherein the lifting plate (36) is arranged above the sample retention cavity (34) in a covering manner, and the lifting plate (36) is detachably connected with the upper part of the sample retention cavity (34).

6. Sample retention and distribution device according to claim 1, characterized in that it comprises a pump group or a valve group or a combination thereof to constitute a flow path combination of at least one common port (g) and N distribution ports (h1, h2, h3... hn).

7. A sample retention and distribution device according to claim 1, wherein the flow conduit (12) extends above or inside the sample retention vial (32).

8. The sample retention and distribution device according to claim 1, wherein an emptying line (14) is arranged in the sample retention bottle (32), the emptying line (14) extends to the bottom of the sample retention bottle (32), and the diversion line (12) is communicated with the emptying line (14) when the cover-lifting structure is in a closed state.

9. The sample retention and distribution device according to claim 1, characterized in that the sample retention and distribution device comprises a dosing pipeline (16), one end of the dosing pipeline (16) is communicated with a common port (g), and the other end extends to a dosing reagent bottle.

10. Sample retention and distribution device according to claim 9, characterized in that a driver (B) is provided on the dosing line (16).