CN212657294U - Multi-sealed detection cup sealing valve - Google Patents

Abstract

The utility model relates to a seal structure technical field discloses a multiple sealed detection cup seal valve to the relatively poor problem of the sealed effect of prior art's detection cup, include outer cup, locate inner bag in the outer cup and being located the inner bag aperture of inner bag bottom, outer bottom of cup portion is equipped with the liquid seal valve, the liquid seal valve include the disk seat and be located the disk seat in with disk seat fixed connection's valve plug, be equipped with sealed conical surface and sealing ring on the disk seat. The sealing valve is provided with a sealing conical surface and a sealing ring, so that a double-sealing effect can be achieved; the sealing conical surfaces can movably adjust the tightness degree of sealing, so that the sealing conical surfaces can be in more compact contact under the action of the gravity of liquid to be detected in the detection cup, and the sealing performance of the sealing valve is further improved; the liquid in the detection cup is prevented from flowing outwards to pollute the environment, and the accuracy of the detection result is improved.

Description

Multi-sealed detection cup sealing valve

Technical Field

The utility model belongs to the technical field of seal structure technique and specifically relates to a multiple sealed detection cup seal valve is related to.

Background

POCT, point-of-care testing (point-of-care testing), refers to a new method for analyzing a sample to be tested immediately on site, eliminating a complicated processing procedure when the sample is tested in a laboratory, and rapidly obtaining a test result. The POCT is used for collecting samples on site of a tested person, the test result is quickly obtained, further treatment is guided or other corresponding measures are taken according to the test result, and the POCT has the characteristics of quickness, simplicity, low cost and the like. In the field of drug testing, public security or medical testing institutions often take urine samples with conventional testing cups on site and test whether a person to be tested is likely to take a drug.

The tested urine specimen is polluted due to the contact with the reagent strip or easily polluted by air components in the environment due to long standing time, so that the urine specimen cannot be used for secondary detection, urine needs to be collected additionally, and the procedure is complicated. The liquid sealing valve of the detection cup can specifically seal liquid to be detected in the detection cup, is an important component of the detection cup, and the accuracy of a later detection result can be directly influenced by the quality of a sealing effect.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome the relatively poor problem of the sealed effect of prior art's detection cup, provide a multiple sealed detection cup seal valve, this seal valve is equipped with the sealed conical surface and sealing ring, can play the double seal effect, and sealed conical surface movable adjustment seals elasticity degree, has good leakproofness, guarantees to detect the intact of the inside liquid of cup, avoids external pollution.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multiple sealed detection cup seal valve, includes outer cup, locates inner bag in the outer cup and being located the inner bag aperture of inner bag bottom, outer cup bottom is equipped with the liquid seal valve, the liquid seal valve includes the disk seat and is located disk seat in with disk seat fixed connection's valve plug, be equipped with sealing conical surface and sealing ring on the disk seat.

Detect treating in the cup and wait that liquid can flow in outer cup region from the inner bag aperture on the inner bag, outer cup controls the flow that waits to detect liquid through the seal valve and ends, the seal valve has the two way seal effect, to the liquid that awaits measuring, the seal valve can block and detect cup outside environment, prevents to wait to detect liquid and is polluted by the outside, can prevent to detect in the cup to detect liquid outflow polluted environment to outside environment, the quality of seal valve seal effect will directly influence the validity that detects the liquid that awaits measuring in the detection cup, the utility model discloses in set for simultaneously sealed conical surface and the multiple seal structure of sealing ring, can make the seal valve reach the leakproofness of preferred with simple structure.

Preferably, the valve seat comprises a positioning seat and a movable sleeve with the lower end positioned in the positioning seat, the positioning seat and the movable sleeve are movably connected through an anti-falling column, and the contact surface of the positioning seat and the positioning seat is a sealing conical surface.

The inner side and the outer side of the movable sleeve play a role in sealing liquid in the detection cup, the movable sleeve can be internally tightly attached to the plugging column to be sealed, the sealing effect is achieved between the outer side and the fixed seat through the sealing conical surface, when liquid to be detected is filled in the detection cup, the liquid gravity can act on the upper end of the movable sleeve to promote the movable sleeve to move downwards, so that the sealing conical surfaces are squeezed tightly, and a better sealing effect is achieved.

Preferably, the upper end of the sealing conical surface on the movable sleeve is provided with a movable sleeve baffle table, the movable sleeve baffle table is provided with an anti-falling column, the upper end face of the fixed seat is provided with an anti-falling groove, and the lower end of the anti-falling column is movably located in the anti-falling groove.

The movable sleeve blocking platform can play a role in limiting connection, and the movable sleeve can move up and down along the sealing conical surface within a small range of stroke, so that a good sealing effect is achieved.

Preferably, an inner sealing ring is arranged in a cylindrical cavity at the lower end of the sealing conical surface on the fixed seat.

Preferably, the valve plug upper end is equipped with the tight post of stopper with the sealed contact of cylinder chamber in the activity cover, and the valve plug bottom is equipped with drags at the bottom of the valve plug with outer cup joint, the tight post of stopper is close to the valve plug and drags one end at the bottom and be equipped with the external seal ring.

Preferably, the inner sealing ring on the fixed seat is in meshing sealing connection with the outer sealing ring on the valve plug.

Preferably, the anti-falling column comprises an anti-falling column body, and an anti-falling head is arranged at the lower end of the anti-falling column body.

Preferably, the upper end of the anti-falling groove is provided with a limiting hole, and the diameter of the limiting hole is larger than that of the anti-falling cylinder and smaller than that of the anti-falling head.

The limiting hole is used for preventing the anti-falling column from sliding out of the anti-falling groove, the limiting hole ensures that the anti-falling column body can slide back and forth freely, and the anti-falling head is prevented from sliding out, so that a good connection effect can be kept between the movable sleeve and the fixed seat within a certain relative movement range.

Preferably, the sealing conical surface is provided with saw-toothed protrusions.

The sawtooth-shaped protrusions are arranged on the sealing conical surface, so that the contact area of the sealing conical surface can be increased, the sealing effect of the sealing conical surface is further increased, and liquid in the detection cup does not flow out along the sealing conical surface.

Preferably, the anti-dropping columns are distributed in the circumferential direction of the movable sleeve blocking table.

The anticreep post distributes in the circumference that the movable sleeve kept off the platform, can promote the joining force between movable sleeve and the fixing base, and each side all has adapting unit, guarantees the homogeneity that the joining force of the circumference that the movable sleeve kept off the platform distributes, reduces stress concentration.

Therefore, the utility model discloses following beneficial effect has:

(1) the sealing valve is provided with a sealing conical surface and a sealing ring, so that a double-sealing effect can be achieved;

(2) the sealing conical surfaces can movably adjust the tightness degree of sealing, so that the sealing conical surfaces can be in more compact contact under the action of the gravity of liquid to be detected in the detection cup, and the sealing performance of the sealing valve is further improved;

(3) the liquid detection cup has the advantages that the intact surface of the liquid in the detection cup is prevented from being polluted by the outside, the liquid in the detection cup is prevented from flowing outwards to pollute the environment, and the accuracy of the detection result is improved.

Drawings

Fig. 1 is a schematic structural view of the detection cup of the present invention.

Fig. 2 is a schematic view of a disassembled sealing valve structure.

Figure 3 is a schematic view of an assembled sealing valve construction.

Fig. 4 is a schematic view of a sealing valve structure with a sealing cone surface for strengthening the seal.

Fig. 5 is a schematic view of a connection structure of the anti-drop column and the anti-drop groove.

In the figure: 1. outer cup, 2, inner bag, 3, inner bag aperture, 4, disk seat, 4.1, positioning seat, 4.2, the movable sleeve, 4.21, the movable sleeve keeps off the platform, 4.3, the anticreep post, 4.31, the anticreep cylinder, 4.32, the anticreep head, 4.4, the anticreep groove, 4.41, spacing hole, 4.5, sealed conical surface, 4.6, the inner seal ring, 5, the valve plug, 5.1, the drag at the valve plug bottom, 5.2, the tight post of stopper, 5.3, the outer seal ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1

In the embodiment shown in fig. 1 to 5, a multi-seal detection cup-seal valve includes an outer cup 1, an inner container 2 disposed in the outer cup 1, and an inner container small hole 3 located at the bottom of the inner container 2, a liquid seal valve is disposed at the bottom of the outer cup 1, the liquid seal valve includes a valve seat 4 and a valve plug 5 located in the valve seat 4 and fixedly connected to the valve seat 4, and a seal conical surface 4.5 and an inner seal ring 4.6 are disposed on the valve seat 4.

The valve seat 4 comprises a positioning seat 4.1 and a movable sleeve 4.2 with the lower end positioned in the positioning seat 4.1, the positioning seat 4.1 is movably connected with the movable sleeve 4.2 through an anti-drop column 4.3, and the contact surface of the positioning seat 4.1 and the positioning seat 4.1 is a sealing conical surface 4.5. The upper end of a sealing conical surface 4.5 on the movable sleeve 4.2 is provided with a movable sleeve baffle table 4.21, the movable sleeve baffle table 4.21 is provided with an anti-falling column 4.3, the upper end surface of the fixed seat 4.1 is provided with an anti-falling groove 4.4, and the lower end of the anti-falling column 4.3 is movably positioned in the anti-falling groove 4.4.

An inner sealing ring 4.6 is arranged in a cylindrical cavity at the lower end of the sealing conical surface 4.5 on the fixed seat 4.1. The 5 upper ends of valve plug are equipped with the tight post 5.2 of stopper of the interior cylinder chamber sealing contact of movable sleeve 4.2, and 5 bottoms of valve plug are equipped with drags 5.1 at the bottom of the valve plug with 1 joint of outer cup, the tight post 5.2 of stopper is close to the valve plug and drags 5.1 one end at the bottom and is equipped with external seal ring 5.3. The annular bulges of the inner sealing ring and the outer sealing ring are two, when the valve plug is plugged tightly, the annular bulges of the inner sealing ring and the outer sealing ring are mutually squeezed and sealed, and the inner sealing ring 4.6 on the fixed seat 4.1 is in meshing sealing connection with the outer sealing ring 5.3 on the valve plug 5.1.

Anticreep post 4.3 includes anticreep cylinder 4.31, anticreep cylinder 4.31 lower extreme is equipped with anticreep head 4.32.

The upper end of the anti-falling groove 4.4 is provided with a limiting hole 4.41, and the diameter of the limiting hole 4.41 which is larger than the diameter of the anti-falling cylinder 4.31 is smaller than the diameter of the anti-falling head 4.32. Anticreep post 4.3 distribute in the uide bushing keeps off the circumference of platform 4.21, and the quantity of anticreep post is 4, and the contained angle between per two is 90.

Example 2

The difference from embodiment 1 is that the sealing cone 4.5 is provided with serrations.

Claims (10)

1. The utility model provides a multiple sealed detection cup seal valve, characterized by includes outer cup (1), locates inner bag (2) in outer cup (1) and be located inner bag aperture (3) of inner bag (2) bottom, outer cup (1) bottom is equipped with the liquid seal valve, the liquid seal valve includes disk seat (4) and is located disk seat (4) in with disk seat (4) fixed connection's valve plug (5), be equipped with sealing conical surface (4.5) and sealing ring on disk seat (4).

2. The multi-seal test cup-seal valve according to claim 1, wherein the valve seat (4) comprises a positioning seat (4.1) and a movable sleeve (4.2) with a lower end located in the positioning seat (4.1), the positioning seat (4.1) and the movable sleeve (4.2) are movably connected through an anti-dropping column (4.3), and the contact surface of the positioning seat (4.1) and the positioning seat (4.1) is a sealing conical surface (4.5).

3. The multi-seal test cup-seal valve according to claim 2, wherein the movable sleeve (4.2) has a movable sleeve baffle (4.21) at the upper end of the sealing cone (4.5), the movable sleeve baffle (4.21) has a separation-preventing pillar (4.3), the positioning seat (4.1) has a separation-preventing groove (4.4) at the upper end, and the lower end of the separation-preventing pillar (4.3) is movably located in the separation-preventing groove (4.4).

4. The multi-seal test cup-seal valve according to claim 2, characterized in that the inner sealing ring (4.6) is arranged in the cylindrical cavity at the lower end of the sealing cone (4.5) of the positioning seat (4.1).

5. The multi-seal detection cup-seal valve as claimed in claim 1, wherein the upper end of the valve plug (5) is provided with a plugging column (5.2) which is in sealing contact with the inner cylindrical cavity of the movable sleeve (4.2), the bottom of the valve plug (5) is provided with a valve plug bottom support (5.1) which is clamped with the outer cup (1), and one end of the plugging column (5.2) close to the valve plug bottom support (5.1) is provided with an outer sealing ring (5.3).

6. The multi-seal test cup-seal valve according to claim 2, characterized in that the inner sealing ring (4.6) on the positioning seat (4.1) is in meshing sealing connection with the outer sealing ring (5.3) on the valve plug (5).

7. The multi-seal test cup-seal valve of claim 2 or 3 wherein said retaining post (4.3) comprises a retaining post (4.31), said retaining post (4.31) having a retaining head (4.32) at its lower end.

8. The multi-seal test cup-seal valve of claim 3 wherein the upper end of the anti-drop groove (4.4) is provided with a limiting hole (4.41), the diameter of the limiting hole (4.41) is larger than the diameter of the anti-drop cylinder (4.31) and smaller than the diameter of the anti-drop head (4.32).

9. The multi-seal test cup-seal valve according to claim 1 or 2, characterized in that said sealing cone (4.5) is provided with serrations.

10. A multi-seal test cup-seal valve according to claim 3 wherein the anti-separation posts (4.3) are distributed circumferentially of the moving sleeve abutment (4.21).

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