CN210005511U

CN210005511U - fluid detection device convenient for secondary detection

Info

Publication number: CN210005511U
Application number: CN201920398839.3U
Authority: CN
Inventors: 高飞; 陆维克; 王海剑
Original assignee: Hangzhou Aotai Biotechnology Ltd By Share Ltd
Current assignee: Hangzhou Aotai Biotechnology Ltd By Share Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-31
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a fluid detection device convenient to secondary detects, traditional fluid detection device can't the accurate control be used for the fluidic volume that detects, the utility model discloses a cup body subassembly and detecting element, the cup body subassembly include cup, division board and transition unit, the division board sets up in the cup, and with the inner chamber of cup through separating for storage chamber and detection chamber, the lateral part in detection chamber is provided with detecting element, the transition unit has transition section of thick bamboo, connecting rod, piston piece and piston post, the transition section of thick bamboo sets up at the cup, the end of transition section of thick bamboo is opened and is set up, piston piece and piston post interval set up, and fixed respectively with the both ends of connecting rod, piston piece and piston post all set up in transition section of thick bamboo, the piston piece is located the side that transition section of thick bamboo opened end was kept away from to the piston post, the feed liquor breach has been seted up on the lateral wall of transition section of thick bamboo and has gone out the liquid breach and has been stored the chamber intercommunication, the feed liquor breach communicates with the detection chamber, the.

Description

fluid detection device convenient for secondary detection

Technical Field

The utility model belongs to the technical field of the fluid detects, concretely relates to fluid detection device convenient to secondary detects.

Background

The volume of the fluid that traditional fluid detection device can't accurate control is used for detecting, when detecting element and too much contact of quilt survey fluid, the effective detection composition on the detecting element easily takes place to dissolve, and then leads to detecting element to become invalid. In addition, the traditional fluid detection device cannot automatically reserve part of uncontaminated fluid for later secondary detection.

Disclosure of Invention

An object of the utility model is to provide fluid detection device convenient to secondary detection.

The utility model discloses a cup body subassembly and detecting element, the cup body subassembly include cup, division board and transition unit, the division board sets up in the cup, and with the inner chamber of cup through separating for storage chamber and detection chamber, the lateral part in detection chamber is provided with detecting element, the transition unit has a transition section of thick bamboo, the connecting rod, piston piece and piston post, the setting of transition section of thick bamboo is in the cup, the end of transition section of thick bamboo is open and is set up, piston piece and piston post interval set up, and fix respectively with the both ends of connecting rod, piston piece and piston post all set up in the transition section of thick bamboo, the piston piece is located the piston post and keeps away from the side of the open end of transition section of thick bamboo, seted up the feed liquor breach on the lateral wall of transition section of thick bamboo and play liquid breach, feed liquor breach and storage chamber intercommunication.

, the cup cover assembly comprises a cover body, a liquid pumping unit, a guide tube and a movable plug, wherein the cover body is connected with the top of the cup body, the liquid pumping unit comprises a containing cylinder and a liquid pumping needle, the top end of the containing cylinder is open and fixed with the cover body, the liquid pumping needle is fixed in the containing cylinder, the end of the guide tube is communicated with the inner flow passage of the liquid pumping needle, the end is positioned at the bottom of the storage cavity in the cup body, and the movable plug is arranged in the containing cylinder.

, the movable plug is composed of shaped plunger and cover plate, the end of the plunger is connected with the cover plate, the diameter of the plunger is smaller than or equal to the inner diameter of the containing cylinder and smaller than or equal to the inner diameter of the transition cylinder, the cover plate is larger than the inner diameter of the containing cylinder, the length of the plunger is equal to the distance between the liquid inlet gap and the liquid outlet gap along the axial direction of the transition cylinder.

, in the initial state, the transition cavity surrounded by the transition cylinder, the piston sheet and the piston column is communicated with the storage cavity through the liquid inlet notch.

, the distance between the liquid inlet notch and the liquid outlet notch along the axial direction of the transition cylinder is greater than the distance between the piston sheet and the piston column and less than the length of the piston column.

, the space enclosed by the transition cylinder, the piston sheet and the piston column is a transition cavity, and the volume of the transition cavity is the volume needed by the detecting element in the detection.

, flat surfaces are provided on the sides of the cup and the sensing element is positioned against the flat surfaces on the inside of the cup.

, the cup body is made of transparent material.

And , the bottom of the storage cavity is higher than the bottom of the detection cavity.

, the detecting element is a detecting test paper.

The utility model has the advantages that:

1. the utility model discloses a mode that sets up transition appearance chamber for the transition holds the chamber and can't connect simultaneously and stores the chamber and detect the chamber, makes the volume that the fluid volume that gets into the detection chamber is equal to transition appearance chamber, thereby has realized the quantitative determination of being surveyed the liquid.

2. The utility model discloses do not get into the measured fluid that detects the chamber, not contact with detecting element, the event can not be contaminated, and then can be used for the secondary to confirm and detect.

3. When secondary detection is needed, a user only needs to invert the vacuum sampling tube and insert the vacuum sampling tube into the containing cylinder, so that the collection of the detected fluid can be automatically completed, and the operation is very convenient; in addition, the fluid to be detected which is not collected can not contact with the outside, and can be used for subsequent detection.

4. The utility model provides a movable stopper is plugged on holding a section of thick bamboo, can will hold pipe and external world, has guaranteed to be surveyed the fluid and not polluted. When the detection is needed, the movable plug can be used for pushing the piston column to move, so that the detection is convenient, and meanwhile, the stroke of the piston column is accurately controlled

5. The utility model discloses a piston post sets up completely in a transition section of thick bamboo, and this can effectively avoid leading to the piston post to take place to slide because of reasons such as colliding with, makes the utility model discloses it is more reliable and more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of a transition unit in the present invention;

fig. 4 is a schematic view of the liquid pumping unit of the present invention.

Detailed Description

The present invention will be further described in with reference to the accompanying drawings.

As shown in figures 1 and 2, fluid detection devices convenient for secondary detection comprise a cup cover assembly 1, a cup body assembly and a detection element 5, wherein the cup body assembly comprises a cup body 2, a partition plate 3 and a transition unit 4, the cup body 2 is made of transparent materials, the partition plate 3 is arranged in the cup body 2, and an inner cavity of the cup body 2 is divided into a storage cavity 6 and a detection cavity 7, so that the inner cavity of the cup body 2 is in a partition cup shape, the bottom of the storage cavity 6 is higher than the bottom of the detection cavity 7, the detection element 5 is arranged on the side of the detection cavity 7, detection test paper is adopted by the detection element 5, planes are arranged on the side of the cup body 2, the detection element 5 is attached to a plane on the inner side face of the cup body 2 (the plane can enable the detection result of the detection unit 4 to be more visual), the bottom of the detection element 5 is located at the bottom of the detection cavity 7, and in the detection.

As shown in fig. 2 and 3, the transition unit 4 comprises a transition cylinder 4-1, a connecting rod 4-2, a piston plate 4-3 and a piston column 4-4, the transition cylinder 4-1 which is transversely arranged is arranged in the cup body 2 and is connected with the partition plate 3, the upper half part of the transition cylinder 4-1 is positioned in the storage cavity 6, the lower half part of the transition cylinder 4-1 is positioned in the detection cavity 7, the end of the transition cylinder 4-1 is open (namely the open end is communicated with the outer side surface of the cup body 2), the piston plate 4-3 is arranged at an interval with the piston column 4-4 and is respectively fixed with the two ends of the connecting rod 4-2, the piston plate 4-3 and the piston column 4-4 form a sliding pair with the inner wall of the transition cylinder 4-1, the piston plate 4-3 is positioned on the side of the piston column 4-4, which is far away from the open end of the transition cylinder 4-1, the space surrounded by the transition cylinder 4-1, the piston plate 4-3 and the piston column 4-4 is the volume of the transition cavity, the volume of the transition cavity is the volume required by the volume of the detection element 5 multiplied by the volume of the connecting rod 4-4, the volume of the.

The side wall of the transition cylinder 4-1 is provided with a liquid inlet gap 4-5 and a liquid outlet gap 4-6. The liquid inlet gap 4-5 is positioned at the top of the transition cylinder 4-1 and is communicated with the storage cavity 6. The liquid outlet gap 4-6 is positioned at the bottom of the transition cylinder 4-1 and is communicated with the detection cavity 7. The distance between the liquid inlet gap 4-5 and the liquid outlet gap 4-6 along the axial direction of the transition cylinder 4-1 is larger than the distance between the piston sheet 4-3 and the piston column 4-4 and smaller than the length of the piston column 4-4. In an initial state, a transition cavity surrounded by the transition cylinder 4-1, the piston sheet 4-3 and the piston column 4-4 is communicated with the storage cavity 6 through the liquid inlet notch 4-5. Thus, when a user pours fluid into the cup 2, the poured fluid will enter the transition volume through inlet notches 4-5.

As shown in figures 2 and 4, the cup cover assembly 1 comprises a cover body 1-1, a liquid pumping unit, a flow guide pipe 1-4 and a movable plug 1-5, wherein the cover body 1-1 is in threaded connection with the top of the cup body 2, a yielding hole is formed in the middle of the cover body 1-1, the liquid pumping unit comprises a containing cylinder 1-2 and a liquid pumping needle 1-3, the top end of the containing cylinder 1-2 is fixed in the yielding hole, the bottom of the containing cylinder 1-2 is fixedly provided with the liquid pumping needle 1-3 which is vertically arranged, the end of the flow guide pipe 1-4 is fixed at the bottom of the containing cylinder 1-2 and is communicated with the bottom of an inner flow passage of the liquid pumping needle 1-3, and the end is positioned at the bottom of a storage cavity.

The movable plug 1-5 is composed of a -shaped plunger and a cover plate, the end of the plunger is connected with the cover plate, the diameter of the plunger is smaller than or equal to the inner diameter of the containing barrel 1-2 and smaller than or equal to the inner diameter of the transition barrel 4-1, the cover plate is larger than the inner diameter of the containing barrel 1-2, the length of the plunger is equal to the axial distance between the liquid inlet notch 4-5 and the liquid outlet notch 4-6 along the transition barrel 4-1, and the plunger on the movable plug 1-5 is located in the containing barrel 1-2 in the initial state.

The working principle of the utility model is as follows:

, rotating the cover 1-1 away from the cup body 2, and adding the measured fluid directly into the cup body 2. in this embodiment, the measured fluid is urine, and the measured fluid can be directly added into the cup body 2 by a conventional urine sampling method, and then enters the transition cavity surrounded by the transition cylinder 4-1, the piston plate 4-3 and the piston column 4-4 through the liquid inlet gap 4-5.

And step two, screwing the cover body 1-1 on the cup body 2. And taking out the movable plug 1-5 in the accommodating cylinder 1-2.

And step three, placing the plunger of the movable plug 1-5 into the opening end of the transition cylinder 4-1, and pushing the piston column 4-4 to move towards the side far away from the opening end of the transition cylinder 4-1, so that the transition cavity is communicated with the detection cavity 7 through the liquid outlet notch 4-6, and the measured fluid in the transition cavity flows into the detection cavity 7. at the moment, the liquid inlet notch 4-5 is blocked by the piston column 4-4, so that the measured fluid entering the detection cavity 7 is only the measured fluid in the transition cavity, and the problem that the detection element fails due to contact of excessive measured fluid and the detection element is effectively avoided.

And step four, the detection element contacts with the detected fluid in the detection cavity 7 to react, and detection is finished.

Step five, when detection is needed, a worker inserts the vacuum sampling pipe into the containing barrel 1-2 of the cup cover assembly 1 in an inverted mode, the rubber plug on the vacuum sampling pipe is punctured by the liquid drawing needle 1-3, the fluid to be detected in the storage cavity 6 is drawn into the vacuum sampling pipe under the action of negative pressure in the vacuum sampling pipe, and then the worker conducts testing on the fluid to be detected in the vacuum sampling pipe.

Claims

The fluid detection device convenient for secondary detection comprises a cup body assembly and a detection element, and is characterized in that the cup body assembly comprises a cup body, a partition plate and a transition unit, the partition plate is arranged in the cup body and divides an inner cavity of the cup body into a storage cavity and a detection cavity, the detection element is arranged on the side portion of the detection cavity, the transition unit comprises a transition cylinder, a connecting rod, a piston sheet and a piston column, the transition cylinder is arranged in the cup body, the end of the transition cylinder is arranged in an open mode, the piston sheet is arranged at an interval with the piston column and is respectively fixed with the two ends of the connecting rod, the piston sheet and the piston column are both arranged in the transition cylinder, the piston sheet is located on the side of the piston column, which is far away from the open end of the transition cylinder, a liquid inlet notch and a liquid outlet notch are formed in the side wall of the transition cylinder, the liquid inlet notch is.
2. The fluid detection device convenient for secondary detection according to claim 1, further comprising a cup cover assembly, wherein the cup cover assembly comprises a cover body, a liquid extraction unit, a flow guide tube and a movable plug, the cover body is connected with the top of the cup body, the liquid extraction unit comprises a containing tube and a liquid extraction needle, the top end of the containing tube is arranged in an open manner and is fixed with the cover body, the liquid extraction needle is fixed in the containing tube, the end of the flow guide tube is communicated with the inner flow passage of the liquid extraction needle, the other end of the flow guide tube is located at the bottom of the storage cavity in the cup body, and the movable plug is arranged in the containing tube.
3. The fluid testing device facilitating secondary testing according to claim 1, wherein the plunger comprises a -shaped plunger and a cover plate, the end of the plunger is connected to the cover plate, the diameter of the plunger is smaller than or equal to the inner diameter of the containing barrel and smaller than or equal to the inner diameter of the transition barrel, the cover plate is larger than the inner diameter of the containing barrel, and the length of the plunger is equal to the distance between the liquid inlet gap and the liquid outlet gap along the axial direction of the transition barrel.
4. The fluid testing device facilitating secondary testing according to claim 1, wherein in an initial state, the transition cavity surrounded by the transition cylinder, the piston plate and the piston post is communicated with the storage cavity through the liquid inlet notch.
5. The fluid testing device facilitating secondary testing according to claim 1, wherein the distance between the inlet and outlet notches along the axial direction of the transition cylinder is greater than the distance between the piston plate and the piston post and less than the length of the piston post.
6. The fluid detection device convenient for secondary detection according to claim 1, wherein the space enclosed by the transition cylinder, the piston plate and the piston post is a transition volume, and the volume of the transition volume is the volume required by the detection element during detection.
7. The fluid testing device facilitating secondary testing as set forth in claim 1, wherein flat surfaces are provided on the side of the cup, and the testing element is disposed in close contact with the flat surfaces on the inner side of the cup.
8. The fluid testing device facilitating secondary testing according to claim 1, wherein the cup body is made of transparent material.
9. The fluid testing device facilitating secondary testing as set forth in claim 1, wherein the bottom of the reservoir chamber is higher than the bottom of the testing chamber.
10. The fluid testing device facilitating secondary detection of claim 1, wherein the test element is a test strip.