CN218889687U

CN218889687U - Sampling tube with swab fixing structure

Info

Publication number: CN218889687U
Application number: CN202223608474.3U
Authority: CN
Inventors: 姜小蕾
Original assignee: Weihai Saiwei Medical Technology Co ltd
Current assignee: Weihai Saiwei Medical Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-21
Anticipated expiration: 2032-12-30

Abstract

The application provides a sampling tube with a swab fixing structure, which solves the technical problem that the axial fixing effect of the existing sampling tube with the swab fixing structure is not ideal; the swab rod fixing device comprises a tube body and a cap, wherein the cap comprises a cap main body, and a fixing cavity for fixing the upper end of the swab rod is arranged in the cap main body; the upper part of the inner wall of the fixed cavity is provided with an elastic clamping piece, and the lower part of the inner wall of the fixed cavity is provided with an elastic fixing piece; the lower end of the elastic clamping piece is connected with the inner wall of the fixed cavity, and the upper end of the elastic clamping piece is a bent free end. The method and the device are widely applied to the technical field of sampling.

Description

Sampling tube with swab fixing structure

Technical Field

The present application relates to medical devices and, more particularly, to a sampling tube having a swab mounting structure.

Background

The sampling tube is generally used for collecting samples such as throat swab, vagina, anus and the like, and generally comprises a tube body and a cover cap which is clamped with the tube body, wherein the swab is connected to the bottom of the cover cap, a cavity which is connected with the upper end of a swab rod is generally arranged on the cover cap, and most of the existing sampling tubes do not have a structure for further fixing the swab.

The Chinese patent with publication number of CN215480909U discloses a virus sampling tube with a swab fixing mechanism, which comprises a sampling test tube and a cap thereof, wherein virus preservation liquid is filled in the sampling test tube, the virus sampling tube also comprises a sampling swab, a handle of the sampling swab is provided with an easy-to-break point, a plunger body embedded in a port of the sampling test tube is arranged in an inner cavity of the cap of the sampling test tube, the plunger body is provided with a conical guide inner cavity, a handle end positioning hole of the sampling swab is arranged at the cone top of the conical guide inner cavity, and a plurality of axial clamping strips are uniformly distributed on the circumference of the inner wall of the handle end positioning hole; the length of the sampling swab at the lower end of the easy-to-break point is correspondingly arranged with the height of the inner cavity of the sampling test tube. The sampling flow is consistent with the standard flow, the end part of the sampling swab after breaking in the process of screwing the cap is led into the handle end positioning hole along the inner cavity of the conical lead and is clamped and fixed by the axial clamping strip, so that the broken sampling swab is connected with the cap into a whole; the sampling swab can be taken out by unscrewing the cap during testing. Convenient to use and pollution-free.

However, the fixing mechanism is only used for clamping and fixing the swab by a plurality of axial clamping strips distributed in the circumferential direction, and the vertical state of the swab can be maintained although the fixing requirement in the transportation process is met, but the axial fixing effect is not ideal.

Disclosure of Invention

In order to solve the technical problems, the technical scheme adopted by the application is as follows: the sampling tube with the swab fixing structure with ideal axial fixing effect comprises a tube body and a cap, wherein the cap comprises a cap main body, and a fixing cavity for fixing the upper end of a swab rod is arranged in the cap main body; the upper part of the inner wall of the fixed cavity is provided with an elastic clamping piece, and the lower part of the inner wall of the fixed cavity is provided with an elastic fixing piece; the lower end of the elastic clamping piece is connected with the inner wall of the fixed cavity, and the upper end of the elastic clamping piece is a bent free end.

Preferably, the elastic clamping piece comprises a fixed slope surface and a movable slope surface which are connected from bottom to top, wherein the bottom of the fixed slope surface is connected with the inner wall of the fixed cavity, and the top of the fixed slope surface is inclined inwards; the bottom of the movable slope surface is connected with the top of the fixed slope surface, and the top of the movable slope surface is inclined outwards.

Preferably, the included angle between the fixed slope and the fixed cavity is smaller than the included angle between the movable slope and the fixed cavity; and the fixed slope is longer than the movable slope.

Preferably, the swab rod is provided with an annular boss at the upper end in the circumferential direction, and the annular boss is matched with the elastic clamping piece.

Preferably, the elastic clamping piece is formed by splicing two integral annular cone structures or a plurality of split bending sheet structures distributed in the circumferential direction.

Preferably, the elastic clamping pieces are arranged in two and are axially arranged on the inner wall of the fixing cavity.

Preferably, the elastic fixing piece is of an annular cylinder structure, and the bottom of the elastic fixing piece is provided with a conical opening.

Preferably, a placement block is arranged in the cap main body, a fixing cavity is arranged in the placement block, and a plurality of support bars are uniformly distributed between the outer wall of the placement block and the inner wall of the cap main body in the circumferential direction.

Preferably, the bottom of the fixing cavity is provided with a conical transition section, and the inner diameter of the conical transition section gradually contracts from bottom to top.

The elastic clamping piece and the elastic fixing piece are arranged in the fixing cavity of the sampling tube, the lower end of the elastic clamping piece is connected with the inner wall of the fixing cavity, and the upper end of the elastic clamping piece is a bent free end. When need fix and wipe, insert the fixed chamber with the upper end of swab pole, the swab pole loops through elastic fixing piece, elastic clamping piece, and the swab pole is lived to elastic fixing piece circumference parcel, and the swab pole is lived in elastic clamping piece middle part, and when the swab pole has the trend of moving down, the free end of elastic clamping piece can move down thereupon, and elastic clamping piece and then compress for the clamping space at the middle part of elastic clamping piece is littleer, thereby exerts bigger clamping force for the swab pole, effectively avoided the axial displacement of swab pole, the axial fixity is effectual.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic perspective view of an elastic clamping member;

fig. 4 is a schematic perspective view of the cap;

fig. 5 is an enlarged view at B of fig. 2.

The symbols in the drawings illustrate:

1. a tube body; 2. capping; 3. a cap body; 4. a plug body; 5. an elastic clamping member; 6. an elastic fixing member; 7. fixing the slope; 8. a movable slope; 9. a placement block; 10. a placement cavity; 11. a support bar; 12. a tapered transition section; 13. a swab stem; 14. the annular boss.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

A sampling tube having a swab holding structure provided by embodiments of the present application will now be described.

Please refer to fig. 1, 2 and 5, which are schematic structural diagrams of a sampling tube with a swab fixing structure. The sampling tube with the swab fixing structure comprises a tube body 1 and a cap 2, wherein the cap 2 comprises a cap main body 3, a fixing cavity 10 for fixing the upper end of a swab rod 13 is arranged in the cap main body 3, an elastic clamping piece 5 is arranged on the upper part of the inner wall of the fixing cavity 10, and an elastic fixing piece 6 is arranged on the lower part of the inner wall of the fixing cavity 10; the lower end of the elastic clamping piece 5 is connected with the inner wall of the fixed cavity 10, and the upper end of the elastic clamping piece 5 is a bent free end. When need fix the swab, insert fixed chamber 10 with the upper end of swab pole 13, swab pole 13 loops through elastic fixing piece 6, elastic clamping piece 5, and swab pole 13 is lived to elastic fixing piece 6 circumference parcel, and swab pole 13 is lived at elastic clamping piece 5 middle part, and when swab pole 13 has the trend of moving down, and the free end of elastic clamping piece 5 can move down thereupon, and elastic clamping piece 5 compresses, makes the clamping space at the middle part of elastic clamping piece 5 littleer, thereby exerts bigger clamping force for swab pole 13, has effectively avoided the axial displacement of swab pole 13. Of course, the clamping force of the resilient clamping member 5 is insufficient to act as a complete barrier when the swab is manually removed, as normal separation of the swab is not hindered.

Referring to fig. 2 and 5, further, in one embodiment, the elastic clamping member 5 includes a fixed slope 7 and a movable slope 8 that are connected from bottom to top, the bottom of the fixed slope 7 is connected to the inner wall of the fixed cavity 10, and the top of the fixed slope 7 is inclined inwards; the bottom of the movable slope surface 8 is connected with the top of the fixed slope surface 7, and the top of the movable slope surface 8 is inclined outwards. Thus, when the swab rod 13 enters the elastic clamping element 5, the swab rod firstly contacts the fixed slope surface 7, enters the movable slope surface 8 under the guidance of the fixed slope surface 7, and is finally clamped by the connecting part of the fixed slope surface 7 and the movable slope surface 8. When the swab rod 13 has an axial outward falling trend, the movable slope surface 8 moves along with the swab rod due to no fixation, so that the elastic clamping piece 5 is compressed, the middle clamping space is smaller, and the axial fixation of the swab is realized.

In order to better achieve the matching effect of the fixed slope 7 and the movable slope 8, in one embodiment, the included angle between the fixed slope 7 and the fixed cavity 10 is smaller than the included angle between the movable slope 8 and the fixed cavity 10; and the fixed slope 7 is longer than the movable slope 8.

In one embodiment, the upper end of the swab rod 13 is circumferentially provided with an annular boss 14, and the annular boss 14 and the elastic clamping piece 5 are matched with each other, so that the axial stability of the swab can be better achieved.

In one embodiment, the elastic clamping member 5 may be an integral two-ring cone structure (see fig. 3), or may be a plurality of split bending sheet structures distributed circumferentially.

In one embodiment, referring to fig. 2, two elastic clamping members 5 are provided and axially arranged on the inner wall of the fixing cavity.

Furthermore, the elastic fixing piece 6 is of an annular cylinder structure, and a conical opening is formed in the bottom of the elastic fixing piece, so that the swab rod 13 can conveniently enter the elastic fixing piece, the wall of the swab rod 13 can be extruded, and the function of further stabilizing the vertical posture of the swab rod 13 is achieved.

Referring to fig. 4, in one embodiment, a mounting block 9 is disposed in the cap main body 3, a fixing cavity 10 is disposed in the mounting block 9, three supporting bars 11 are circumferentially and uniformly distributed between the outer wall of the mounting block 9 and the inner wall of the cap main body 3, and the outer sides of the supporting bars 11 are equal to the cap main body 3 in height, so that the material consumption can be reduced, and the cap main body 3 can be reinforced.

Further, the bottom of the fixing cavity 10 is provided with a conical transition section 12, the inner diameter of the conical transition section 12 gradually contracts from bottom to top, and the conical transition section 12 plays a guiding role, so that the swab rod 13 can be conveniently inserted.

The cap 2 may be screwed to the outer wall of the tube 1, or a plug body 4 (shown in fig. 2) may be provided to be inserted into the tube body.

The utility model has simple structure and ingenious design, the elastic clamping piece 5 and the elastic fixing piece 6 are arranged in the fixing cavity of the sampling tube, the lower end of the elastic clamping piece 5 is connected with the inner wall of the fixing cavity, and the upper end of the elastic clamping piece 5 is a bent free end. When need fix and wipe, insert the fixed chamber with the upper end of swab pole 13, swab pole 13 loops through elastic fixing piece 6, elastic clamping piece 5, elastic fixing piece 6 circumference parcel is lived swab pole 13, elastic clamping piece 5 middle part centre gripping swab pole 13, and when swab pole 13 has the trend of moving down, the free end of elastic clamping piece 5 can move down thereupon, elastic clamping piece 5 compresses, make the centre gripping space at the middle part of elastic clamping piece 5 littleer, thereby exert bigger clamping force for swab pole 13, effectively avoided the axial displacement of swab pole 13, the axial fixturing effect is ideal.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. The sampling tube with the swab fixing structure comprises a tube body and a cap, wherein the cap comprises a cap main body, and a fixing cavity for fixing the upper end of a swab rod is arranged in the cap main body; the method is characterized in that: the upper part of the inner wall of the fixed cavity is provided with an elastic clamping piece, and the lower part of the inner wall of the fixed cavity is provided with an elastic fixing piece; the lower end of the elastic clamping piece is connected with the inner wall of the fixed cavity, and the upper end of the elastic clamping piece is a bent free end.

2. The sampling tube with a swab holding structure according to claim 1 wherein: the elastic clamping piece comprises a fixed slope surface and a movable slope surface which are connected from bottom to top, the bottom of the fixed slope surface is connected with the inner wall of the fixed cavity, and the top of the fixed slope surface is inclined inwards; the bottom of the movable slope surface is connected with the top of the fixed slope surface, and the top of the movable slope surface is inclined outwards.

3. The sampling tube with a swab holding structure according to claim 2 wherein: the included angle between the fixed slope and the fixed cavity is smaller than the included angle between the movable slope and the fixed cavity; and the fixed slope surface is longer than the movable slope surface.

4. The sampling tube with a swab holding structure according to claim 1 wherein: the swab rod upper end circumference is equipped with annular boss, annular boss with elastic clamping piece cooperatees.

5. A sampling tube having a swab holding structure according to any one of claims 1-3 wherein: the elastic clamping piece is formed by splicing two integral annular cone structures, or a plurality of split bending sheet structures distributed in the circumferential direction.

6. The sampling tube with a swab holding structure according to claim 5 wherein: the elastic clamping pieces are arranged in two and are axially arranged on the inner wall of the fixing cavity.

7. The sampling tube with a swab holding structure according to claim 1 wherein: the elastic fixing piece is of an annular cylinder structure, and a conical opening is formed in the bottom of the elastic fixing piece.

8. The sampling tube with a swab holding structure according to claim 1 wherein: the nut cap is characterized in that a mounting block is arranged in the nut cap main body, the fixing cavity is arranged in the mounting block, and a plurality of supporting bars are uniformly distributed between the outer wall of the mounting block and the inner wall of the nut cap main body in the circumferential direction.

9. The sampling tube with a swab holding structure according to claim 1 or 8 wherein: the bottom of the fixed cavity is provided with a conical transition section, and the inner diameter of the conical transition section gradually contracts from bottom to top.