CN217931682U - Detection device - Google Patents

Abstract

The utility model provides a detection device, which comprises a connector and a second shell, wherein a storage cavity is arranged in the second shell, an additive is arranged in the storage cavity, a sealing film is connected on the second shell, and the additive is sealed in the storage cavity by the sealing film; the interior of the connector is provided with a hollow area, the second shell is constructed to enter the hollow area of the connector, and the hollow position of the connector is also provided with a sharp part which protrudes upwards and can puncture the sealing membrane; wherein, there is the space between sharp portion and the hollow region, and the bottom in space is equipped with first through-hole. The utility model can solve the problem of additive remaining in the hollow area by designing the first through hole; furthermore, the additive can be accelerated into the collecting chamber; moreover, the additive can be prevented from overflowing, so that a second sealing ring is not needed for sealing, and the manufacturing cost is reduced.

Description

Detection device

Technical Field

The utility model relates to an in vitro short-term test technical field, especially collect and detect the device of analyzing the matter in the liquid sample in the quick diagnosis field, for example urine, saliva are collected and detection device.

Background

The following background description is merely an introduction to the general knowledge and is not intended to limit the invention in any way.

Currently, many test devices for detecting whether a sample contains an analyte are used in hospitals or homes, and these test devices for rapid diagnosis include one or more test reagent strips, such as early pregnancy tests, drug abuse tests, and the like. The rapid diagnosis test device is convenient, and the test result can be obtained on the test reagent strip in one minute or at most ten minutes.

Drug detection is widely used in drug administration, public security bureau, drug rehabilitation institute, physical examination center, and national physical examination department. The drug detection is various in types and frequent in times. Some require the collection of a sample and then require a specialized testing facility or testing laboratory to perform the test. Some people need to complete detection on site in time, for example, people who drive after taking poison (called poison driving for short) need to perform detection on site, and then obtain the detection result in time. And (3) detecting drugs, wherein the samples can be urine, sweat, hair and saliva samples.

The applicant filed a utility model patent granted on 4/1/2022: a liquid sample detection device, authorization notice number: CN216160648U, in the sample testing device, when the sharp portion pierces the sealing film, the additive in the storage chamber can not completely enter the collection chamber, and some additive will remain in the void area. The utility model discloses mainly be used for solving the problem of remaining additive in the space region.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detection device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the present invention adopts a technical solution of a detecting device, including a connector and a second housing, wherein a storage chamber is arranged in the second housing, an additive is arranged in the storage chamber, the second housing is connected with a sealing film, and the additive is sealed in the storage chamber by the sealing film;

the interior of the connector is provided with a hollow area, the second shell is constructed to enter the hollow area of the connector, and the hollow position of the connector is also provided with a sharp part which protrudes upwards and can puncture the sealing membrane;

wherein, there is the space between sharp portion and the hollow region, and the bottom in space is equipped with first through-hole.

Further, the first through hole is fan-shaped.

Further, first through holes are arranged in the gaps in a circumferential array.

Further, the number of the first through holes is four.

Furthermore, an oblique angle is arranged on one side, close to the inner wall of the hollow area, of the first through hole.

Further, the bevel is annular.

Furthermore, a second through hole which penetrates through the sharp part up and down is arranged on the sharp part.

Furthermore, the second through hole is fan-shaped, and the second through hole is equipped with four.

Furthermore, the sharp-pointed part is provided with a convex strip which is provided with a sharp corner.

Further, four convex strips are arranged.

To sum up, the utility model has the advantages that: the utility model can solve the problem of additive remaining in the hollow area by designing the first through hole; furthermore, the additive can be accelerated into the collecting chamber; moreover, the additive can be prevented from overflowing, so that a second sealing ring is not needed for sealing, and the manufacturing cost is reduced.

Drawings

FIG. 1 is a schematic view of the connecting head in CN 216160648U;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a connector according to the present invention;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a cross-sectional view of the whole detecting device of the present invention (not pierced);

fig. 7 is a schematic view of the entire cross section (puncture) and a partial enlarged view of the detecting device of the present invention.

Detailed Description

The structures referred to in the present invention or these terms of art used are further described below, and if not otherwise indicated, they are understood and explained by general terms commonly used in the art.

A detection device comprises a connector 37 and a second shell 91, wherein a storage cavity 90 is arranged in the second shell 91, additives are arranged in the storage cavity 90, a sealing film 92 is connected to the second shell 91, and the additives are sealed in the storage cavity 90 by the sealing film 92; the interior of the connecting head 37 is provided with a hollow area 99, the second shell 91 is configured to enter the hollow area 99 of the connecting head 37, the hollow position of the connecting head 37 is further provided with a sharp part 38 protruding upwards, and the sharp part 38 can pierce the sealing membrane 92; wherein, there is a gap 98 between the sharp part 38 and the hollow region 99, the bottom of the gap 98 is provided with a first through hole 97, the arrangement of the first through hole 97 can lead the additive entering the gap 98 from the gap between the storage chamber 90 and the sharp part 38 into the collection chamber 22 through the first through hole 97 at the bottom of the gap 98 after the sharp part 38 pierces the sealing film 92 (as shown by the white arrow in fig. 7), which can solve the problem that the additive remains in the hollow region.

Preferably, the sharp part 38 is provided with a second through hole 39 penetrating vertically. After the first through hole 97 is provided, the hollow area 99 is communicated with the space where the collecting cavity 22 is located, which facilitates the additive in the storage cavity 90 to rapidly enter the collecting cavity 22 through the second through hole 39, in the granted patent CN216160648U, if the hollow area 99 is not communicated with the collecting cavity 22 on the premise that the additive seals the second through hole 39, negative pressure is generated in the process that the additive enters the collecting cavity 22, and the additive is not favorably entered into the collecting cavity 22 due to the existence of the negative pressure. With the first through hole 97, some of the gas in the collection chamber 22 can enter the storage chamber 90 through the first through hole 97 (as indicated by the black arrow in fig. 7), and the additive can be accelerated to enter the collection chamber 22.

Preferably, the first through holes 97 are fan-shaped, the fan-shaped first through holes 97 increasing the communication area between the hollow area 99 and the collection chamber 22, facilitating the passage of the liquid/gas through the first through holes 97. Further, first through holes 97 are provided in the gap 98 in a circumferential array. Further, the first through holes 97 are provided in four.

Preferably, the first through hole 97 is provided with a bevel 96 on a side thereof adjacent to the inner wall of the hollow region 99. Further, the bevel 96 forms a ring shape. The bevel 96 serves as a drain to facilitate the introduction of the additive from the bottom of the gap 98 into the collection chamber 22 through the first through hole 97 and to drain the additive remaining in the connection head 37.

Preferably, due to the existence of the first through hole 97, compared with the granted patent CN216160648U, the detection device does not need to provide a second sealing ring (the second sealing ring is a component provided in CN 216160648U), and does not need to rely on the second sealing ring to avoid overflowing of the additive, because the additive enters the collection chamber 22 through the first through hole 97. The technical scheme of the utility model manufacturing cost has been reduced.

Preferably, the second through holes 39 are fan-shaped, and four second through holes 39 are provided, as shown in fig. 3 and 5.

Preferably, the pointed portion 38 is provided with a protrusion 89, the protrusion 89 having a pointed corner 88. Cusps 88 facilitate puncturing of sealing membrane 92 by sharp portions 38. Further, four convex strips 89 are provided.

Preferably, the test device further comprises a test element, which is arranged on a carrier 40, which carrier has a number of recesses, in which the test element is located.

Preferably, the detecting device further comprises a first housing 20, wherein a collecting chamber 22 is disposed in the first housing 20, the collecting chamber 22 is a place for accommodating the sample, the collecting chamber 22 comprises an opening at the upper side of the first housing 20, and the carrier 40 is inserted into the collecting chamber 22 from the opening at the upper side of the first housing 20.

Preferably, the testing device further comprises a sample collector 30, the sample collector 30 is used for collecting a sample, the sample collector 30 comprises a cover end 31, a rod 32 and a sampling end 33, the cover end 31 can be used for covering the opening of the collection cavity 22 to prevent the sample in the collection cavity 22 from leaking, the sampling end 33 is used for connecting an absorbent member, the absorbent member can be a nontoxic sponge with strong water absorption, the absorbent member and the sampling end 33 can be bonded through special glue, when the sample collector 30 is inserted into the collection cavity 22 along the opening of the collection cavity 22, an absorbent member (not shown) on the sampling end 33 presses against the bottom of the collection cavity 22, the sample is squeezed out of the absorbent member, the liquid sample in the absorbent member is continuously squeezed out along with the continuous downward movement of the sample collector 30 until the cover end 31 completely covers the opening of the collection cavity 22, at this time, the sample collector 30 cannot continuously move downward, and the absorbent member is also in a squeezed state.

Preferably, in order to enable the absorption element on the sampling end 33 to be pressed against the bottom of the collection cavity 22, as much liquid sample can be extruded as possible, the pressing part 23 is arranged at the bottom of the collection cavity 22, the pressing part 23 is provided with the opening 24 which is opened upwards, the opening 24 is large in upper part and small in lower part and is in a circular truncated cone shape, when the absorption element on the sampling end 33 is contacted with the pressing part 23 to press the sample, in addition to the pressing of the absorption element against the bottom of the pressing part 23, the circular truncated cone-shaped opening 24 can also press the side part of the absorption element, so that the pressing efficiency is improved, more liquid samples can be released at the same time, and a certain collecting effect on the samples can be achieved.

Preferably, in order to make the lid end 31 can better cover the opening of the collection chamber 22, the lid end 31 is provided with a first sealing ring 34, the first sealing ring 34 has elasticity, and the sealing between the lid end 31 and the opening of the collection chamber 22 can be well realized, so that the liquid sample is prevented from flowing out. Meanwhile, the friction force of the first sealing ring 34 is increased, so that the covering end 31 is not easy to separate from the opening of the collecting cavity 22, and when the covering end 31 covers the opening of the collecting cavity 22, the absorbing element is always in a compressed state, and liquid samples can be continuously released into the collecting cavity 22.

Preferably, the detecting device further includes a cover 80, the cover 80 is connected to the second housing 91, the connection relationship can be detachable or non-detachable, the cover 80 and the connecting head 37 can be covered with each other, for example, the common cover 80 and the connecting head 37 are provided with matching screw threads, so that the cover 80 can be screwed onto the connecting head 37, and during the screwing process of the cover 80, the cover 80 drives the second housing 91 to move toward the sharp portion 38 until the sharp portion 38 pierces the sealing film 92.

The detection device further comprises a protection element 70, the protection element 70 is used for limiting the cover body 80 from rotating excessively, namely, the sharp part 38 is limited from puncturing the storage cavity 90, the protection element 70 comprises a supporting section 71, the supporting section 71 is sleeved on the connecting head 37, the lower end of the supporting section 71 is abutted against the upper surface of the covering end 31, and the upper end of the supporting section 71 is abutted against the cover body 80, so that the cover body 80 can be prevented from rotating excessively.

The support section 71 may be hollow cylindrical, and may be sleeved on the connection head 37. Further, when the support section 71 is hollow cylindrical, if the sharp portion 38 needs to pierce the storage cavity 90, the cap 80 is unscrewed, the protection element 70 is removed, and the cap 80 is screwed, which is cumbersome.

Preferably, in order to facilitate the removal of the protective element 70, the protective element 70 further includes a grip portion 73, and the grip portion 73 is provided with stripes, so that the frictional force between the detecting person and the grip portion 73 can be increased. Further, a grip portion 73 is positioned in connection with the support section 71.

The above description is only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through creative work should be covered within the protection scope of the present invention, and therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

The utility model shown and described herein may be implemented in the absence of any element, limitation, or limitations specifically disclosed herein. The terms and expressions which have been employed are used as terms of description and not of limitation, and there is no intention in the use of such terms and expressions of excluding any equivalents of the features shown and described or portions thereof, and it is recognized that various modifications are possible within the scope of the invention. It should therefore be understood that although the present invention has been specifically disclosed by various embodiments and optional features, modification and variation of the concepts herein described may be resorted to by those skilled in the art, and that such modifications and variations are considered to be within the scope of this invention as defined by the appended claims.

The contents of the articles, patents, patent applications, and all other documents and electronically available information described or cited herein are hereby incorporated by reference in their entirety to the same extent as if each individual publication was specifically and individually indicated to be incorporated by reference. Applicants reserve the right to incorporate into this application any and all materials and information from any such articles, patents, patent applications, or other documents.

Claims (10)

1. A detection device comprises a connector and a second shell, and is characterized in that a storage cavity is arranged in the second shell, an additive is arranged in the storage cavity, a sealing film is connected to the second shell, and the additive is sealed in the storage cavity by the sealing film;

the interior of the connector is provided with a hollow area, the second shell is constructed to enter the hollow area of the connector, and the hollow position of the connector is also provided with a sharp part which protrudes upwards and can pierce the sealing membrane;

wherein, there is the space between sharp portion and the hollow region, and the bottom in space is equipped with first through-hole.

2. A testing device according to claim 1 wherein the first aperture is fan-shaped.

3. A testing device according to claim 1 wherein the voids are provided with first through-holes in a circumferential array.

4. A testing device according to claim 3 wherein there are four first through holes.

5. A testing device according to claim 1 wherein the first aperture is beveled on a side thereof adjacent the inner wall of the hollow region.

6. A testing device according to claim 5 wherein the bevel is annular.

7. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the sharp portion is provided with a second through hole which penetrates up and down.

8. A testing device according to claim 7 wherein the second through holes are fan shaped and there are four second through holes.

9. The detecting device according to claim 1, wherein the pointed portion is provided with a convex line having a sharp angle.

10. The detecting device for detecting the rotation of a motor rotor as claimed in claim 9, wherein the number of the convex strips is four.

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