CN211825164U - Sampling device - Google Patents

Abstract

The utility model provides a sampling device, the device includes: the inner tube is provided with an inner tube closed end, an inner tube open end and a longitudinally extending inner tube body, and one side of the inner tube body is provided with a sampling port; an outer tube having an outer tube closed end, an outer tube open end, and a longitudinally extending outer tube body, the inner tube being received within the outer tube body; the inner side wall of the closed end of the outer pipe is axially provided with a plurality of supporting ribs, and the supporting ribs are provided with side faces corresponding to the closed end of the inner pipe. The utility model effectively avoids the direct contact between the closed end of the inner tube and the closed end of the outer tube by arranging a plurality of supporting edges on the inner side wall of the closed end of the outer tube; and through setting up a plurality of support arriss intervals, guaranteed that inner tube blind end and outer tube blind end have certain space, make things convenient for the outer tube to extract from the inner tube.

Description

Sampling device

Technical Field

The utility model relates to a sampling device, specially adapted belongs to medical technical field to the collection of urine.

Background

Urine needs to be collected during urine examination, but most of urine collection devices adopted at the present stage are simple urine sample collection cups, urine is directly received in the collection cups and then poured into test tubes by workers, and a lot of problems exist in the process, for example, the urine is easily splashed to the outer sides of the collection cups due to inconvenience during collection, and sanitation is affected; the surrounding environment is easily polluted during the period that the urine of the collecting cup is collected into the test tube, and the urine is also very inconvenient to transfer to the test tube.

CN1276868A discloses a urine collection container comprising a container main body in the shape of an elongated cylinder with one end closed and the other end open; a urine collection port formed in a central portion of the container body; a cover cylinder for closing the urine collection port, which is formed in an elongated cylindrical shape having one end closed and the other end opened, and has a diameter slightly larger than that of the container body so as to be freely inserted into and withdrawn from the container body, a container projection for holding the cover barrel on the container body at least at a pause position of the urine collection opening in a state where the container body is inserted into the cover barrel, and a cover projection formed on an inner peripheral surface of the cover cylinder, formed to pass over the container projection when the container body is inserted into the cover cylinder, locked with the container projection at least at the pause position and holding the cover cylinder on the container body, the cover projection being formed of a first cover projection located on the open end side of the cover cylinder, locked with the container projection at the pause position, and a second cover projection located on one side of the closed end of the cover cylinder and locked with the container projection at the position of the closed urine collection port after insertion. In urine test, the container body is directly inserted into the lid of the cover cylinder, and a reagent and a test paper are inserted through the opening of the container. Because the length of the container body is less than the length of the cover cylinder, a certain distance exists between the closed end of the container body and the closed end of the cover cylinder. When detecting, container body closed end and cover section of thick bamboo closed end down, need stir the urine or the urine mixture appearance in the container body sometimes, make container body move down very easily, and contact with cover section of thick bamboo closed end to inconvenient extraction to container body.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a sampling device sets up a plurality of arriss of supporting through the axial on outer tube closed end inside wall, is used for supporting the inner tube blind end, has avoided the direct blind end contact with the blind end of outer tube of blind end of inner tube to make things convenient for the part of inner tube and outer tube.

The utility model adopts the technical scheme as follows:

the utility model provides a sampling device, the device includes:

the inner tube is provided with an inner tube closed end, an inner tube open end and a longitudinally extending inner tube body, and one side of the inner tube body is provided with a sampling port;

an outer tube having an outer tube closed end, an outer tube open end, and a longitudinally extending outer tube body, the inner tube being received within the outer tube body; the inner side wall of the closed end of the outer pipe is axially provided with a plurality of supporting ribs, and the supporting ribs are provided with side faces corresponding to the closed end of the inner pipe.

Preferably, a plurality of the supporting ribs are arranged at intervals.

Preferably, a plurality of the supporting ribs are symmetrically arranged at the closed end of the outer tube.

Preferably, the number of the supporting ribs is 3-5.

Preferably, a first inner tube protruding block and a second inner tube protruding block are arranged on the outer circumferential surface of the inner tube; the first inner tube lug is formed at the upper end of the sampling port, the second inner tube lug is formed at the lower end of the sampling port, and the first inner tube lug and the second inner tube lug are both strip lugs.

Preferably, the inner circumferential surface of the outer tube is provided with a first outer tube lug and a second outer tube lug, the first outer tube lug is locked with the first inner tube lug, and the second outer tube lug is locked with the second inner tube lug; the first outer tube protruding blocks and the second outer tube protruding blocks are strip-shaped protruding blocks.

Preferably, the sampling port is arranged in the middle of the inner tube, and one side of the inner tube opposite to the sampling port is sealed.

Preferably, the outer tube is made of a transparent material or a translucent material.

Preferably, the device further comprises a cover body, wherein the cover body is arranged at the opening ends of the inner pipe and the outer pipe; the lid includes lid main part and closure bolt, and the closure bolt sets up in lid main part bottom middle part position, and the closure bolt suits with the open end of inner tube.

Preferably, the joint of the cover body and the closing bolt forms an annular groove, and the outer side wall of the annular groove is provided with an outwardly extending cambered surface which is contacted with the outer side wall of the open end of the outer tube.

The utility model has the advantages that: the device of the utility model effectively avoids the direct contact between the closed end of the inner tube and the closed end of the outer tube by arranging a plurality of supporting edges at the bottom of the inner tube on the inner side wall of the closed end of the outer tube; and through setting up a plurality of support arriss intervals, guaranteed that inner tube blind end and outer tube blind end have certain space, make things convenient for the outer tube to extract from the inner tube.

Drawings

Fig. 1 is a schematic view of a sampling device according to the present invention in a use state;

FIG. 2 is a schematic view of another use state of the sampling device of the present invention;

fig. 3 is a schematic structural view of the outer tube in the sampling device of the present invention;

fig. 4 is a top view of the outer tube of the sampling device of the present invention;

fig. 5 is a schematic structural diagram of an inner tube in the sampling device of the present invention;

fig. 6 is a schematic cross-sectional view of a cover in the sampling device of the present invention;

fig. 7 is a schematic cross-sectional view of a cover in a sampling device according to an embodiment of the present invention;

fig. 8 is a front view of a cover of a sampling device according to an embodiment of the present invention;

wherein, 1, an inner tube; 11. a sampling port; 12. a first inner tube projection; 13. a second inner tube projection; 14. a convex portion; 2. an outer tube; 21. a support edge; 211. a side surface; 22. a first outer tube projection; 23. a second outer tube projection; 3. a cover body; 31. a cover main body; 311. an arc-shaped edge; 32. closing the plug; 33. an annular groove; 334. a first end face; 335. a second end face; 336. and (4) a groove.

Detailed Description

The present invention will be described in detail with reference to the following examples, but the present invention is not limited to these examples.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-3, the utility model provides a sampling device, the device includes: an inner tube 1 and an outer tube 2; the inner tube 1 is provided with an inner tube closed end, an inner tube open end and a longitudinally extending inner tube body, and one side of the inner tube body is provided with a sampling port 11; the outer tube 2 is provided with an outer tube closed end, an outer tube open end and a longitudinally extending outer tube body, the inner tube 1 is accommodated in the outer tube body, and the inner diameter of the outer tube 2 is slightly larger than the outer diameter of the inner tube 1; the inner side wall of the closed end of the outer pipe is axially provided with a plurality of supporting ribs, and the supporting ribs are provided with side faces corresponding to the closed end of the inner pipe.

When the device of the utility model is used, reference can be made to fig. 1 and 2, which show the process of inserting the inner tube into the outer tube, and firstly, a sample is collected through the sampling port of the inner tube; then, after the inner tube 1 is inserted into the outer tube 2, the outer tube 2 closes the sampling port 11, the cover body 3 covers the open end of the inner tube before sampling, and after the outer tube 2 closes the sampling port 11, the open end of the outer tube is also closed by the cover body 3. In the assembling state, the closed end of the outer tube and the closed end of the inner tube face downwards, after the sample is transferred, the collected sample needs to be detected or analyzed, at this time, the cover body 3 needs to be taken down, the urine or urine mixed sample in the inner tube 1 is stirred, and the arrangement of the supporting edge 21 at the closed end of the outer tube effectively prevents the inner tube 1 from moving downwards along the outer tube 2 under the condition of external force and directly contacting with the closed end of the outer tube; therefore, the outer pipe 2 is convenient to be drawn out and separated from the inner pipe 1, so that the inner pipe 1 and the outer pipe 2 are respectively cleaned and can be repeatedly used.

In a preferred embodiment, as shown in fig. 3 and 4, a plurality of the supporting ribs 21 are arranged at intervals, so that a certain gap is left between the closed end of the outer tube and the closed end of the inner tube, the outer tube 2 is conveniently drawn out and separated from the inner tube 1, and the processing cost is saved.

In a preferred embodiment, in order to make the closed end of the inner tube stressed uniformly, the plurality of supporting ribs 21 are symmetrically arranged at the closed end of the outer tube, so that the closed end of the inner tube is stressed uniformly, the influence of stress on the detection of liquid in the sample is reduced, and the accuracy of the experimental result is ensured.

In a preferred embodiment, the number of the supporting ribs 21 is 3 to 5, but the number of the supporting ribs 21 is not limited to 3 to 5, and other supporting ribs may be used as long as the processing is convenient and the basic performance is not affected. Preferably, the number of the supporting ribs 21 is 4, and since the closed end of the inner tube is generally a circular arc surface, the force bearing point of the closed end of the inner tube is at the central position, so that the closed end of the inner tube is supported more stably.

In one embodiment, the outer side of the bottom end of the outer tube 2 is recessed inwardly for ease of processing, and a plurality of said support ribs 21 are provided around the recess inside the outer tube 2.

In a preferred embodiment, as shown in fig. 5, the sampling port 11 is opened at a central position of the inner tube 1, and the inner tube 1 is closed at the side opposite to the sampling port 11. The sampling port 11 has an axial opening, and the rear end face of the opening has a slope that rises toward the open end of the inner tube. The setting of 11 shapes of sampling port, the sample is convenient, and when being sealed by outer tube 2 after, the difficult outflow of the sample in the liquid.

In one embodiment, the inner tube 1 is made of a transparent material such as synthetic resin, and the outer tube 2 is made of a transparent material such as synthetic resin or semi-transparent. The inner tube 1 is transparent, so that the liquid in the inner tube 1 can be observed conveniently.

In one embodiment, as shown in fig. 6, the cover body 3 includes a cover main body 31, and a closing pin 32 connected to a bottom end of the cover main body 31; a closure 32 is fitted to the open end of the inner tube. The closing plug 32 is used for inserting into the open end of the inner tube, sealing the open end of the inner tube, and ensuring that the sample in the inner tube 1 cannot flow out or seep out from the open end in the processes of sampling at the sampling port, transferring or transporting the sample and the like.

In a preferred embodiment, as shown in fig. 5 and 6, a convex portion 14 is provided on the inner side wall of the upper end of the inner tube 1, the convex portion 14 has a height gradually decreasing along the lower end, and a groove 336 corresponding to the convex portion is provided on the side surface of the closing pin 32. When the cover body 3 is opened to the outside, the cover body 3 needs to be separated from the opening ends of the inner tube 1 and the outer tube 2 at the same time, a convex part gradually reduced along the lower end is arranged on the inner side wall of the inner tube 1, and after a lateral force is applied, the cover body 3 can be separated from the inner tube 1 only by a small force.

In one embodiment, as shown in fig. 1, 2 and 6, a first end surface 334 contacting with the end wall of the open end of the inner tube and a second end surface 335 contacting with the end wall of the open end of the outer tube are formed on the top wall of the annular groove 33, and the depth of the first end surface 334 is smaller than that of the second end surface 335. Since the inner tube 1 is completely received in the outer tube 2, the outer tube open end slightly protrudes from the inner tube open end, and when sealed with the lid body 3, the depth or height of the first end surface 334 contacting the inner tube open end wall and the second end surface 335 contacting the outer tube open end wall are set to be different, and the depth of the first end surface 334 is smaller than the depth of the second end surface 335.

In one embodiment, the joint between the cap body 31 and the closing pin 32 forms an annular groove 33, and the outer side wall of the annular groove 33 has an outwardly extending arc surface contacting the outer wall of the open end of the outer tube.

In a preferred embodiment, as shown in fig. 6, the arc surfaces comprise a first arc surface 331 and a second arc surface 332 which are connected in sequence, an included angle between a tangent of the first arc surface 331 and an axis of the cap body 31 is 20-30 °, and an arc length is 2-4 mm; the included angle between the tangent line of the second cambered surface 332 and the axis of the cover main body 31 is 5-15 degrees, and the arc length is 1-2 mm. The size of the buffering surface for external force is determined by the included angle between the tangent line of the arc surface and the axis of the cover body and the size of the arc length, and when the angles and the arc lengths of the first arc surface 331 and the second arc surface 332 are too small, internal stress of the cover body is concentrated when external force is applied; when the angles and the arc lengths of the first cambered surface and the second cambered surface are too large, a large external force is needed, and the stress in the cover body is not reduced.

In a preferred embodiment, as shown in fig. 7, the arc surfaces comprise a first arc surface 331, a conical surface 333 and a second arc surface 332 which are connected in sequence, an included angle between a tangent of the first arc surface 331 and an axis of the cap body 31 is 20-30 °, and an arc length is 2-4 mm; the included angle between the conical surface 333 and the axis of the cover main body 31 is 15-20 degrees, and the length is 1-2 mm; the included angle between the tangent line of the second cambered surface 332 and the axis of the cover main body 31 is 5-15 degrees, and the arc length is 1-2 mm. The first cambered surface 331 and the second cambered surface 332 are connected through the tapered surface 333, so that external force is more dispersed, and the elimination of internal stress of the cover body 3 is facilitated.

When the device is used, a sample is firstly collected through the sampling port 11 of the inner tube 1; after the inner tube 1 is inserted into the outer tube 2, the outer tube 2 closes the sampling opening 11, the cover 3 preferably covers the open end of the inner tube before sampling, and after the outer tube 2 closes the sampling opening 11, the open end of the outer tube is also closed by the cover 3. In the assembling state, the closed end of the outer tube and the closed end of the inner tube face downwards, when a collected sample needs to be detected or analyzed, the cover body 3 needs to be taken down, and due to the arc-shaped surface of the annular groove 33 of the cover body 3, which is in contact with the outer tube, when the cover body is opened outwards, the stress in the cover body 3 is uniformly dispersed, so that the stress in the cover body 3 is reduced; and the cover body 3 can be broken off and taken down only by applying little force, so that the liquid in the inner tube 1 is prevented from shaking and splashing due to excessive force.

In a preferred embodiment, as shown in fig. 8, the cover main body 31 is provided with a plurality of longitudinally extending arc-shaped ribs 311 on the upper outer circumferential surface; the height of the arc-shaped edge 311 is 0.5-1 mm, and the distance between the adjacent arc-shaped edges 311 is 1-2 mm. When the user takes off the lid body, the outer peripheral wall of the lid main body 31 is held by hand, and the provision of the arc-shaped ribs 311 contributes to increase of friction and is less likely to slip when holding the lid body 3 by hand. The height and distance of the arc-shaped edge 311 are set, so that a user can hold the cover body conveniently, and the comfort of the user is improved.

The utility model discloses a sampling device can be used to the collection of urine, but is not limited to and gathers the urine, also can be used to gather liquid such as waste water, cell sap, perhaps semi-solid sample such as excrement and urine.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and the protection scope of the present invention is not limited by these specific examples, but is defined by the claims of the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the technical idea and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A sampling device, the device comprising:

the inner tube is provided with an inner tube closed end, an inner tube open end and a longitudinally extending inner tube body, and one side of the inner tube body is provided with a sampling port;

an outer tube having an outer tube closed end, an outer tube open end, and a longitudinally extending outer tube body, the inner tube being received within the outer tube body; the inner side wall of the closed end of the outer pipe is axially provided with a plurality of supporting ribs, and the supporting ribs are provided with side faces corresponding to the closed end of the inner pipe.

2. The sampling device of claim 1, wherein a plurality of the support ribs are spaced apart.

3. The sampling device of claim 1, wherein a plurality of the support ribs are symmetrically disposed at the closed end of the outer tube.

4. The sampling device of claim 1, wherein the number of support ribs is 3-5.

5. The sampling device according to any one of claims 1 to 4, wherein a first inner tube projection and a second inner tube projection are provided on an outer circumferential surface of the inner tube; the first inner tube lug is formed at the upper end of the sampling port, the second inner tube lug is formed at the lower end of the sampling port, and the first inner tube lug and the second inner tube lug are both strip lugs.

6. The sampling device according to claim 5, wherein the inner peripheral surface of the outer tube is provided with a first outer tube protrusion and a second outer tube protrusion, the first outer tube protrusion is locked with the first inner tube protrusion, and the second outer tube protrusion is locked with the second inner tube protrusion; the first outer tube protruding blocks and the second outer tube protruding blocks are strip-shaped protruding blocks.

7. The sampling device according to any one of claims 1 to 4, wherein the sampling port is opened at a middle position of the inner tube, and a side of the inner tube opposite to the sampling port is closed.

8. The sampling device of any one of claims 1 to 4, wherein the outer tube is made of a transparent or translucent material.

9. The sampling device of any one of claims 1 to 4, further comprising a cap mounted at the open ends of the inner and outer tubes; the lid includes lid main part and closure bolt, and the closure bolt sets up in lid main part bottom middle part position, and the closure bolt suits with the open end of inner tube.

10. The sampling device of claim 9, wherein the junction of the cap body and the closure plug forms an annular groove having an outwardly extending arcuate surface on an outer sidewall thereof that contacts an outer sidewall of the open end of the outer tube.

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