CN115138412A

CN115138412A - Overflow plug and overflow-proof extraction tube

Info

Publication number: CN115138412A
Application number: CN202210815194.5A
Authority: CN
Inventors: 王伟; 王立勇; 阮佳浩; 何旭杰
Original assignee: Shaoxing Shangyu Dongshan Precision Plastic Co ltd
Current assignee: Shaoxing Shangyu Dongshan Precision Plastic Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-10-04

Abstract

The invention discloses an anti-overflow plug and an anti-overflow extraction pipe, wherein the anti-overflow plug comprises an anti-overflow plug body, the anti-overflow plug body is of a hollow structure, one end of the anti-overflow plug body is open, and the other end of the anti-overflow plug body is sealed; the anti-overflow stopper body sequentially comprises an opening section, a clamping section and an inserting section from top to bottom. The anti-overflow extraction pipe comprises an extraction pipe body, wherein the extraction pipe body comprises a pipe body, one end of the pipe body is open, and the other end of the pipe body is sealed; the drip head is internally provided with a first inner cavity, a second inner cavity and a liquid outlet channel; the device comprises a connector, wherein one end of the connector is connected to the pipe body, and the other end of the connector is connected to the dripping head. The anti-overflow plug is arranged in the invention, and can be inserted into the first inner cavity and the second inner cavity to limit the caliber of the first inner cavity, so that the caliber of the first inner cavity is reduced, and the liquid output at one time is reduced when liquid is squeezed and taken, thereby the liquid taking amount is controllable.

Description

Overflow plug and overflow-proof extraction tube

Technical Field

The present invention relates to the field of extraction tubes, and in particular to an anti-overflow plug and anti-overflow extraction tube.

Background

The extraction tube is a device for extruding liquid from the interior of the tube body, is particularly large in usage amount in medical detection, is especially an essential medical device for virus detection, and is an essential medical device for detecting novel coronavirus. Present extraction tube generally includes body and dripper, and the dripper is pegged graft to the upper end opening part of body, is equipped with on the dripper to be used for liquid extrusion exhaust's passageway pipe, and when the in-service use, the inside reagent that generally has been filled of body, wait to detect the sample with the collection after that and send into the reagent of body, then insert the upper end of body and invert the body with the dripper, extrudees the inside reagent that has added the sample of body from the passageway pipe extrusion of dripper hard.

However, in the actual detection process, the amount of liquid extruded out is strictly limited, if the liquid is extruded too little or too much, the detection data may be inaccurate or the detection may fail, and in the actual use process, the force for extruding the tube body is not well controlled, so that the amount of liquid extruded out from the dripper is often too fast and too much, the liquid outflow speed is too fast and too much, and thus the detection fails due to the out-of-range value, and the reagent residue in the tube is too little, and the sample has to be collected again and detected, so that the inconvenience is brought to the actual detection work, and the defects of low detection efficiency, inconvenience in operation and detection failure often occur.

Disclosure of Invention

The invention aims to solve the problem that the amount of liquid extruded out is excessive when a pipe body is extruded, and provides an anti-overflow plug and an anti-overflow extraction pipe.

In order to achieve the purpose, the invention provides an anti-overflow plug and an anti-overflow extraction pipe, and the technical scheme of the invention is as follows:

the anti-overflow plug is matched with the anti-overflow extraction pipe for use and plugged into a dripper of the extraction pipe, and comprises an anti-overflow plug body, wherein the anti-overflow plug body is of a hollow structure, one end of the anti-overflow plug body is open, the other end of the anti-overflow plug body is sealed, and the hollow structure forms a containing groove; the anti-overflow stopper body from the top includes opening section, joint section and insertion section in proper order, opening section outward flange will bulge than joint section outward flange, joint section outward flange will bulge than insertion section outward flange.

Preferably, the clamping section is provided with side surfaces comprising at least 1 clamping surface and 1 drainage surface.

Preferably, the number of the side surfaces arranged on the clamping section can be 4, wherein 2 opposite side surfaces are clamping surfaces, and the other two opposite side surfaces are drainage surfaces.

Preferably, the number of the side surfaces of the clamping section can also be 2, wherein 1 is a clamping surface, and the other 1 is a drainage surface.

Preferably, the drainage surface comprises a first inclined surface, a plane and a second inclined surface, the first inclined surface is located above the plane, the plane is located above the second inclined surface, and the joint of the first inclined surface, the plane and the second inclined surface is in smooth transition.

Preferably, the insertion section is completely free from the bottom of the dripper.

Preferably, at least one guide block is arranged on the outer side wall of the clamping surface.

The anti-overflow extraction tube can be used in cooperation with the anti-overflow plug and comprises an extraction tube body, wherein the extraction tube body comprises a tube body, one end of the tube body is open, and the other end of the tube body is sealed.

Preferably, the bottom of the tube body is provided with inwardly-raised bumps, and the inner wall of the tube body is provided with a plurality of layers of annular protrusions.

Preferably, the tube body is a soft hollow tube with a narrow bottom and a wide top.

Preferably, the tube body is of a hollow structure, and the hollow structure can be used for temporarily storing liquid.

Preferably, the extraction pipe body comprises a dripper, and a first inner cavity, a second inner cavity and a liquid outlet channel are arranged in the dripper.

Preferably, the first inner cavity is communicated with the second inner cavity, the second inner cavity is communicated with the liquid outlet channel, the second inner cavity is wide at the top and narrow at the bottom, and the aperture of the liquid outlet channel is gradually increased from top to bottom.

Preferably, the first lumen is composed of a first lumen and a second lumen.

Preferably, a gap exists between the top surface of the dripper and the opening section; the first inner cavity is attached to the clamping surface to form clamping connection; a gap is reserved between the inner wall of the first inner cavity and the drainage surface; and a gap is reserved between the inner wall of the second inner cavity and the insertion section.

Preferably, at least one guide groove which can be matched with the guide block for use is arranged on the inner walls of the two inner cavities.

Preferably, the extraction tube body further comprises a connector, one end of the connector is connected to the tube body, and the other end of the connector is connected to the dropper.

Compared with the prior art, the invention has the following beneficial effects:

the overflow-preventing plug is arranged, the overflow-preventing plug can be inserted into the first inner cavity and the second inner cavity, the caliber of the first inner cavity is limited, the caliber of the first inner cavity is reduced, so that the liquid output amount at one time is reduced when liquid is squeezed and taken, the liquid taking amount is controlled, the liquid output amount at one time is reduced through the arranged overflow-preventing plug, and the purpose of overflow prevention is achieved.

Drawings

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

FIG. 2 is an overall cross-sectional view of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of an anti-overflow plug according to the present invention;

FIG. 7 is a schematic view of an extraction tube configuration of the present invention;

FIG. 8 is a schematic structural view of example 3 of the present invention;

fig. 9 is a schematic structural diagram of embodiment 4 of the present invention.

In the figure: 1-anti-overflow stopper body, 11-opening section, 12-clamping section, 13-inserting section, 14-clamping surface, 15-drainage surface, 16-first inclined surface, 17-plane, 18-second inclined surface, 19-guide block, 2-extraction tube body, 3-tube body, 31-salient point, 32-annular protrusion, 4-dripper, 41-first inner cavity, 42-second inner cavity, 43-liquid outlet channel, 44-first inner cavity, 45-second inner cavity, 46-guide groove and 5-connector

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

Example 1:

as shown in fig. 1-6, the anti-overflow plug is used in cooperation with an anti-overflow extraction tube, and is plugged into a dripper 4 of the extraction tube, and comprises an anti-overflow plug body 1, wherein the anti-overflow plug body 1 is of a hollow structure, one end of the anti-overflow plug body is open, the other end of the anti-overflow plug body is sealed, the hollow structure is formed into a containing groove, and saliva or other liquid can be temporarily stored in the containing groove; anti-overflow stopper body 1 includes opening section 11, joint section 12 and insertion section 13 from the top down in proper order, and 11 cross sections of opening section are circular, and 11 outward flanges of opening section are than 12 outward flanges of joint section and will bulge, and 12 outward flanges of joint section are than 13 outward flanges of insertion section and will bulge, and insertion section 13 is narrow shape under the width.

In this embodiment, the clamping section 12 has a plurality of side surfaces, which include at least 1

clamping surface

14 and 1 drainage surface 15, and the outer edge of the clamping surface 14 is protruded from the outer edge of the drainage surface 15, so that the clamping surface 14 fits the inner wall of the dripper 4 to form a clamping connection. A gap is formed between the opening section 11 and the top surface of the dripper 4 used in cooperation; the drainage surface 15 is spaced from the inner wall of the dripper 4.

Optionally, there may be 4 side surfaces of the clamping section 12, wherein 2 opposite side surfaces are clamping surfaces 14, and the other two opposite side surfaces are flow guide surfaces 15, specifically, one clamping surface 14 is connected to the other two flow guide surfaces 15, and one flow guide surface 15 is connected to the other two clamping surfaces 14.

Optionally, the number of the side surfaces of the clamping section 12 may also be 2, wherein 1 is a clamping surface 14, and the other 1 is a flow guiding surface 15, and the clamping surface 14 is connected with the flow guiding surface 15.

In this embodiment, the drainage surface 15 is composed of a first inclined surface 16, a flat surface 17 and a second inclined surface 18, the first inclined surface 16 is located above the flat surface 17, the flat surface 17 is located above the second inclined surface 18, and the junction of the first inclined surface 16, the flat surface 17 and the second inclined surface 18 is in smooth transition.

Example 2:

as shown in fig. 1-5 and 7, the anti-overflow extraction tube can be used in cooperation with an anti-overflow plug, and comprises an extraction tube body 2, wherein the extraction tube body 2 comprises a tube body 3, one end of the tube body 3 is open, the other end of the tube body is sealed, the tube body 3 is a soft hollow tube with a narrow lower part and a wide upper part, the soft hollow tube is convenient to extrude, inward convex points 31 are arranged at the bottom of the tube body 3, multiple layers of annular protrusions 32 are arranged on the inner wall of the tube body 3, and the multiple layers of annular protrusions 32 have the function of guiding flow.

In this embodiment, the tube body 3 is a hollow structure, and the hollow structure can be used for containing saliva or other detection liquid.

In this embodiment, the extraction tube body 2 includes the dripper 4, the first inner cavity 41, the second inner cavity 42 and the liquid outlet channel 43 are arranged inside the dripper 4, the first inner cavity 41 is communicated with the second inner cavity 42, the second inner cavity 42 is communicated with the liquid outlet channel 43, the first inner cavity 41, the second inner cavity 42 and the liquid outlet channel 43 form a completed flow channel, liquid can flow in the flow channel formed by the first inner cavity 41, the second inner cavity 42 and the liquid outlet channel 43, the second inner cavity 42 is wide at the top and narrow at the bottom, the aperture of the liquid outlet channel 43 is gradually increased from the top to the bottom, the first inner cavity 41 is composed of a first inner cavity 44 and a second inner cavity 45, and the first inner cavity 44 is wide at the top and narrow at the bottom.

In this embodiment, a gap exists between the top surface of the dripper 4 and the opening section 11; the inner wall of the first inner cavity 41 is attached to the clamping surface 14 to form clamping; a gap is reserved between the inner wall of the first inner cavity 41 and the drainage surface 15; the inner wall of the second cavity 42 is spaced from the insertion section 13.

In this embodiment, the extraction tube body 2 further includes a connector 5, one end of the connector 5 is connected to the tube body 3, the other end of the connector 5 is connected to the dropper 4, and the connector 5 is made of a soft material and can be bent or broken.

Example 3:

as shown in fig. 8, the rest is the same as embodiment 1 except that at least one guide piece 19 is provided on the outer side wall of the engaging surface 14, and the guide piece 19 plays a guiding role.

Example 4:

as shown in fig. 9, the rest is the same as embodiment 2, except that at least one guide groove 46 capable of cooperating with the guide block 19 is arranged on the inner wall of the second inner cavity 45, and the guide groove 46 plays a guiding role.

In order to reduce the liquid outlet amount of the extraction pipe at one time and enable the liquid outlet amount to achieve the purpose of being controllable, the anti-overflow plug and the extraction pipe can be matched for use.

In order to fix the overflow-proof plug and the extraction pipe together, a clamping surface 14 is designed, the clamping surface 14 is arc-shaped and protrudes outwards, the clamping surface 14 and the inner cavity II 45 are attached together to form clamping, and therefore the overflow-proof plug body 1 can be clamped on the water dropper 4.

In order to be able to fasten the overflow-proof plug and the extraction tube more tightly, a guide block 19 is provided on the outer wall of the clamping surface 14, a guide groove 46 is provided in the second inner chamber 45, the guide block 19 and the guide groove 46 cooperate, the guide block 19 and the guide groove 46 are aligned when the overflow-proof plug and the extraction tube are fastened, and then the clamping fastening is performed.

In order to squeeze saliva or other liquid to be measured out in a controlled manner, the anti-overflow plug body 1 is divided into an opening section 11, a clamping section 12 and an insertion section 13, the outer edge of the opening section 11 is protruded compared with the outer edge of the clamping section 12, the outer edge of the clamping section 12 is protruded compared with the outer edge of the insertion section 13, the insertion section 13 is in a shape with a wide upper part and a narrow lower part, and a drainage surface 15 consists of a first inclined surface 16, a plane 17 and a second inclined surface 18; a first inner cavity 41, a second inner cavity 42 and a liquid outlet channel 43 are arranged in the dripper 4, the first inner cavity 41 is communicated with the second inner cavity 42, the second inner cavity 42 is communicated with the liquid outlet channel 43, the second inner cavity 42 is wide at the top and narrow at the bottom, the first inner cavity 41 consists of a first inner cavity 44 and a second inner cavity 45, the first inclined surface 16 and the first inner cavity 44 are both wide at the top and narrow at the bottom, when the anti-overflow plug body 1 is clamped on the dripper 4, as shown in fig. 3, a certain gap is left between the opening section 11 and the top surface of the dripper 4, and saliva or other liquid to be measured can enter the first inner cavity 44 of the dripper 4 from the gap; a gap is reserved between the inner wall of the first inner cavity 41 and the drainage surface 15, further, a gap is reserved between the first inclined surface 16 and the first inner cavity 44, a gap is reserved between the plane 17 and the second inner cavity 45, and a gap is reserved at the connection position of the second inclined surface 18 and the first inner cavity 41 and the second inner cavity 42, so that saliva or other liquid to be detected in the first inner cavity 44 can continuously flow to the second inner cavity 42 along the gap; saliva or other liquid to be measured in the second inner cavity 42 can continuously flow into the liquid outlet channel 43 along the gap reserved between the inner wall of the second inner cavity 42 and the insertion section 13, and finally flows out of the liquid outlet channel 43. Since all the gaps are communicated, saliva or other liquid entering the dripper 4 can finally drip out of the liquid outlet channel 43 through all the gaps, compared with the traditional extraction pipe, the anti-overflow plug is designed in the invention and can be clamped in the dripper 4, the flow passage of the dripper 4 is reduced, the liquid outlet amount once extruded is reduced, and the liquid outlet amount can be controlled to a certain extent after the liquid outlet amount is reduced.

The invention relates to an anti-overflow plug and an anti-overflow extraction tube, wherein before use, a layer of aluminum film is adhered to an opening of a tube body 3, when in use, the aluminum film is firstly torn off, and then extracted saliva or other liquid is drained into an inner cavity of the tube body 3 through a drainage rod or other drainage devices. When saliva or other liquid needs to be detected, the anti-overflow plug body 1 is inserted into the dripper 4, the connector 5 is bent or broken, the dripper 4 is inserted into the opening of the pipe body 3, the extraction pipe is inverted, the pipe body 3 is extruded, and as the anti-overflow plug body 1 is clamped in the dripper 4, a part of saliva or other liquid enters a gap between the anti-overflow plug body 1 and the dripper 4 and finally drips out of the liquid outlet channel 43; still some saliva or other liquid can enter into the holding chamber of anti-overflow stopper body 1, and when the extraction tube was invertd back to original state again, the saliva or other liquid of depositing of the inside in the holding chamber can enter into tube body 3 again, can also be used for the next detection like this.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The anti-overflow plug is characterized by comprising an anti-overflow plug body (1), wherein the anti-overflow plug body (1) is of a hollow structure, one end of the anti-overflow plug body is open, and the other end of the anti-overflow plug body is sealed; anti-overflow stopper body (1) from the top includes opening section (11), joint section (12) and insert section (13) in proper order, joint section (12) are provided with a plurality of sides, have contained 1 at least joint face (14) and 1 drainage face (15) wherein.

2. The anti-spill plug according to claim 1, characterised in that the drainage surface (15) consists of a first bevel (16), a plane (17) and a second bevel (18), the first bevel (16) being located above the plane (17), the plane (17) being located above the second bevel (18).

3. Anti-spill plug according to claim 1, characterised in that at least one guide block (19) is provided on the outer side wall of the snap surface (14).

4. Anti-spill plug according to claim 2 or 3, characterised in that the outer edge of the opening section (11) projects beyond the outer edge of the clamping section (12), the outer edge of the clamping section (12) projecting beyond the outer edge of the insertion section (13).

5. An anti-overflow extraction pipe applying any of the anti-overflow plugs described in claims 1-4, characterized by comprising an extraction pipe body (2), wherein the extraction pipe body (2) comprises a dripper (4), and a first inner cavity (41), a second inner cavity (42) and a liquid outlet channel (43) are arranged inside the dripper (4); a gap is formed between the top surface of the dripper (4) and the opening section (11); the inner wall of the first inner cavity (41) is attached to the clamping surface (14) to form clamping connection; a gap is reserved between the inner wall of the first inner cavity (41) and the drainage surface (15); and a gap is reserved between the inner wall of the second inner cavity (42) and the insertion section (13).

6. Overflow-proof extraction tube according to claim 5, characterized in that the first inner cavity (41) and the second inner cavity (42) are in communication, the second inner cavity (42) and the tapping channel (43) being in communication.

7. An anti-overflow extraction tube as claimed in claim 6, wherein the first lumen (41) consists of a first lumen (44) and a second lumen (45).

8. Anti-overflow extraction tube according to claim 7, characterized in that the extraction tube body (2) comprises a tube body (3), one end of the tube body (3) is open, the other end is closed, the bottom of the tube body (3) is provided with inwardly convex protrusions (31), and the inner wall of the tube body (3) is provided with multiple layers of annular protrusions (32).

9. An anti-overflow extraction tube as claimed in claim 8, wherein the inner wall of the second inner cavity (45) is provided with at least one guide groove (46) which can cooperate with the guide block (19).

10. An anti-overflow extraction tube as claimed in claim 8 or 9, wherein the extraction tube body (2) further comprises a connector (5), one end of the connector (5) being connected to the tube body (3) and the other end being connected to the dripper (4).