CN217430474U

CN217430474U - Anti-backflow closed disposable sampler

Info

Publication number: CN217430474U
Application number: CN202221097985.0U
Authority: CN
Inventors: 李耀; 周济; 杨燚; 汪同同
Original assignee: Jiangsu Yu'an Biotechnology Co ltd
Current assignee: Jiangsu Yu'an Biotechnology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-16
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a closed disposable sample thief of anti-return, including body and bin, its characterized in that, the top inboard of body is provided with the joint piece, and the top inboard of body settles and have the sealing plug, the butt joint draw-in groove has been seted up to the outside both sides of sealing plug. This closed disposable sample thief of anti-return inserts the post through pushing down, enable to insert the post and drive the seal membrane and pass rupture board and valve layer, and make sealing head cover the intercommunication groove, this makes the pipe physical stamina seal completely, the seal membrane adopts flexible rubber material preparation, when inserting the post and passing rupture board, can drive the seal membrane shrink and together pass rupture board, and can reconversion after the seal membrane passes rupture board, in the transportation, it is spacing through between seal membrane and the rupture board, can effectively avoid the seal membrane to take place the pine to take off because of vibrations, in addition the seal membrane is provided with the three-layer altogether, this makes the sealed effect of equipment can further promote.

Description

Anti-backflow closed disposable sampler

Technical Field

The utility model relates to a nucleic acid sample thief technical field specifically is a closed disposable sample thief of anti-return.

Background

The nucleic acid sampler is a necessary tool in epidemic disease nucleic acid detection, the nucleic acid sampler is divided into a sampling test tube and a storage box, sample preservation solution is usually injected into the sampling test tube, the sample preservation solution fully cracks cells under the action of guanidine salt and a special surfactant to release nucleic acid, thoroughly inactivates various microorganisms and inhibits nuclease, and the purpose of preserving nucleic acid (DNA/RNA) is achieved.

Common sampling test tube has been gathered nucleic acid in the market and has been stored the transportation, leads to the sealed lid at test tube top to take place to drop because of the vibrations in the transportation easily, and this can cause the sample preservative solution backward flow in the sampling test tube, causes the condition of pollution to take place to whole test tubes in the containing box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a closed disposable sample thief of anti-return to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a closed disposable sample thief of anti-return, includes body and bin, its characterized in that, the top inboard of body is provided with the joint piece, and the top inboard of body settles and have the sealing plug, the butt joint draw-in groove has been seted up to the outside both sides of sealing plug, and settles in the top outside of sealing plug has the butt joint card post, the intercommunication groove has been seted up to the top inboard of sealing plug, and the inboard middle-end in intercommunication groove settles and have the board of breaking, the inboard middle-end of breaking the board is connected with the lamella rete, the outer end of sealing plug is connected with seal assembly, the outer end of body is connected with rotates the seat, and rotates the outside of seat and is connected with the limiting plate, the outer end in the body is settled to the bin.

Further, the pipe body and the clamping block are integrated, and the clamping block is connected with the sealing plug in a clamping mode through the butt joint clamping groove.

Furthermore, the two butt joint clamping columns are symmetrically arranged along the center line of the sealing plug, and the vertical center line of the sealing plug and the vertical center line of the communication groove are overlapped.

Further, seal assembly includes flexible section, sealed head, inserts post and seal membrane, the end-to-end connection of flexible section has sealed head, and the outer end of sealed head is provided with inserts the post, the outside surface connection who inserts the post has the seal membrane.

Furthermore, the diameter of the insertion column is consistent with that of the breaking plate, and the insertion column is fixedly connected with the sealing membrane.

Furthermore, the rotating seat is rotatably connected with the limiting plates, and the three limiting plates are arranged at the outer end of the pipe body.

Further, the bin includes box, settling tank, axis of rotation, case lid and butt joint groove, settling tank has been seted up in the top outside of box, and the right side outer end of box is connected with the axis of rotation, the axis of rotation is kept away from box one side and is settled there is the case lid, and the inboard of case lid has seted up the butt joint groove.

Furthermore, the butt joint grooves are connected with the butt joint clamping columns in a clamping mode, and the positions of the butt joint grooves correspond to the positions of the placement grooves one by one.

The utility model provides a closed disposable sampler of anti-return possesses following beneficial effect: the insertion column can drive the sealing membrane to pass through the breaking plate and the valve layer by pressing down the insertion column, and the sealing head covers the communication groove, so that the tube body can be completely sealed, the sealing membrane is made of flexible rubber materials, when the insertion column passes through the breaking plate, the sealing membrane can be driven to shrink and simultaneously pass through the breaking plate, the sealing membrane can restore to the original state after passing through the breaking plate, in the transportation process, through the limit between the sealing membrane and the breaking plate, the sealing plug can be effectively prevented from being loosened due to vibration, in addition, the three layers of sealing membranes are arranged, the sealing effect of the equipment can be further improved, through pulling the limiting plate, the limiting plate can be rotated through the rotating seat, the limiting plate can be changed from being longitudinally placed into being transversely placed, the limiting plate can form a triangular bracket shape and supports the tube body, and the tube body can be vertically placed without supporting foreign objects in the nucleic acid collection process, this makes it possible to improve the convenience of use of the apparatus.

1. The utility model discloses get into valve in situ back at the cotton swab head, medical personnel break the cotton swab with the hand off with the fingers and thumb, the cotton swab can be the fulcrum through the rupture board, make the rupture point of its middle-end break fast, this makes the cotton swab head can fall into the inside sample of body and preserve liquid inside and preserve, and break through using the rupture board is supplementary, the rupture separation that enables the cotton swab head only needs the one hand can accomplish, this makes the collection of nucleic acid can be facilitated, but the lamella rete is automatic closing when there is not foreign object to enter into, this can effectively avoid external environment to cause the influence to nucleic acid collection, thereby can promote the precision that nucleic acid was gathered.

2. The utility model discloses a push down and insert the post, enable to insert the post and drive the seal membrane and pass rupture board and valve layer, and make the seal head cover the intercommunication groove, this makes the pipe physical stamina seal completely, the seal membrane adopts flexible rubber material preparation, when inserting the post and passing rupture board, can drive the seal membrane shrink together and pass rupture board, and the seal membrane can reconversion after passing rupture board, in the transportation, it is spacing through between seal membrane and the rupture board, can effectively avoid the sealing plug to take place the pine because of vibrations and take off, in addition the seal membrane is provided with the three-layer altogether, this makes the sealed sealing plug effect of equipment can further promote, in addition the joint piece of butt joint draw-in groove and body outer end carries on spacingly, this can effectively avoid taking place the pine between sealing plug and the body and takes off.

3. The utility model can rotate the limiting plate through the rotating seat by pulling the limiting plate, which changes the longitudinal placement of the limiting plate into the transverse placement of the limiting plate, and can form a triangular bracket shape and support the tube body, so that the tube body can be vertically placed without supporting by foreign objects in the process of nucleic acid collection, the convenience of the equipment can be improved, after the nucleic acid collection is completed, the limiting plate is stored, and the tube body is inserted into the placing groove in the inner side of the box body, the shape of the limiting plate is just matched with the three convex points in the placing groove, the tube body can not shake in the transportation process by the limit of the convex points and the limiting plate, and after the box cover is rotated by pulling the box cover to be closed by the rotating shaft, the butt joint groove in the inner side of the box cover can be just clamped with the butt joint clamping column, and the tube body is doubly fixed by the placing groove and the butt joint groove, the stability of the pipe body in the transportation process is further improved, the butt joint groove and the butt joint clamping column are clamped, the sealing plug can be just pressed by the box cover, and the probability that the sealing plug falls off is further reduced.

Drawings

FIG. 1 is a schematic view of the whole structure of the anti-backflow closed disposable sampler of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the sealing plug of the anti-backflow closed disposable sampler of the present invention;

fig. 3 is a schematic view of the top view of a limiting plate of the anti-backflow closed disposable sampler of the present invention;

fig. 4 is a schematic view of the storage box of the anti-backflow closed disposable sampler of the present invention.

In the figure: 1. a pipe body; 2. a clamping block; 3. a sealing plug; 4. butting the clamping grooves; 5. butting the clamping columns; 6. a communicating groove; 7. breaking the plate; 8. a valve layer; 9. a seal assembly; 901. a flexible section; 902. a sealing head; 903. inserting the post; 904. a sealing film; 10. a rotating seat; 11. a limiting plate; 12. a storage tank; 1201. a box body; 1202. a placing groove; 1203. a rotating shaft; 1204. a box cover; 1205. and (4) butting the grooves.

Detailed Description

Referring to fig. 1 and 2, a backflow-preventing closed type disposable sampler comprises a tube body 1 and a storage box 12, wherein a clamping block 2 is arranged on the inner side of the top of the tube body 1, a sealing plug 3 is arranged on the inner side of the top of the tube body 1, a butt-joint clamping groove 4 is arranged on two outer sides of the sealing plug 3, a butt-joint clamping column 5 is arranged on the outer side of the top of the sealing plug 3, a communication groove 6 is arranged on the inner side of the top of the sealing plug 3, a breaking plate 7 is arranged at the middle end of the inner side of the communication groove 6, a valve membrane layer 8 is connected to the middle end of the inner side of the breaking plate 7, a sealing assembly 9 is connected to the outer end of the sealing plug 3, the tube body 1 and the clamping block 2 are integrated, the clamping block 2 is clamped and connected with the sealing plug 3 through the butt-joint clamping groove 4, two butt-joint clamping columns 5 are symmetrically arranged along the central line of the sealing plug 3, and the vertical central line of the sealing plug 3 and the vertical central line of the communication groove 6 coincide with each other, the sealing component 9 comprises a flexible section 901, a sealing head 902, an insertion column 903 and a sealing membrane 904, wherein the end of the flexible section 901 is connected with the sealing head 902, the outer end of the sealing head 902 is provided with the insertion column 903, the outer side surface of the insertion column 903 is connected with the sealing membrane 904, the diameter of the insertion column 903 is consistent with that of the rupture plate 7, the insertion column 903 is fixedly connected with the sealing membrane 904, after a medical worker collects nucleic acid by using a cotton swab, the head of the cotton swab is extended into the communicating groove 6, the head of the cotton swab can penetrate through the valve membrane layer 8 to enter the inner side of the tube body 1, after the head of the cotton swab enters the inner side of the valve membrane layer 8, the medical worker breaks the cotton swab by hand, the cotton swab can be rapidly broken by taking the rupture plate 7 as a fulcrum, the rupture point at the middle end of the cotton swab can be stored in a sample liquid in the tube body 1, the rupture can be assisted by using the rupture plate 7 to break, and the rupture separation of the cotton swab head can be completed by one hand, this makes the collection of nucleic acid can be facilitated, and the valve film layer 8 can self-close when there is no foreign object to enter, this can avoid the external environment to cause the influence to nucleic acid collection effectively, thus can promote the precision of nucleic acid collection, after nucleic acid collection, pull flexible section 901, can make insert post 903 towards one side of communicating channel 6, press down insert post 903, can make insert post 903 drive seal membrane 904 to pass broken board 7 and valve layer 8, and make seal head 902 cover communicating channel 6, this makes body 1 totally enclosed, the seal membrane 904 is made of flexible rubber material, insert post 903 when passing broken board 7, can drive seal membrane 904 to shrink and pass broken board 7 together, and the seal membrane 904 can resume the original state after passing broken board 7, in the course of transportation, through the spacing between seal membrane 904 and broken board 7, can avoid sealing plug 3 from taking place to loosen because of shaking effectively, sealing membrane 904 is provided with the three-layer altogether in addition, and this makes the sealed effect of equipment can further promote, and 3 accessible butt joint draw-in grooves 4 of sealing plug in addition carry on spacingly with the joint piece 2 of body 1 outer end, and this can effectively avoid taking place the pine between sealing plug 3 and the body 1 to take off.

Referring to fig. 1, 3 and 4, the outer end of the tube 1 is connected to a rotary seat 10, the outer side of the rotary seat 10 is connected to a limit plate 11, the rotary seat 10 is rotatably connected to the limit plate 11, three limit plates 11 are provided at the outer end of the tube 1, the storage box 12 is disposed at the outer end of the tube 1, the storage box 12 includes a box body 1201, a disposition groove 1202, a rotation shaft 1203, a box cover 1204 and a butt-joint groove 1205, the disposition groove 1202 is formed at the outer side of the top of the box body 1201, the rotation shaft 1203 is connected to the outer end of the right side of the box body 1201, the box cover 1204 is disposed at the side of the rotation shaft 1203 away from the box body 1201, the butt-joint groove 1205 is formed at the inner side of the box cover 1204, the butt-joint groove 1205 is engaged with the butt-joint clamping column 5, the positions of the butt-joint groove 1205 and the disposition groove 1202 are in one-to-one correspondence, the tube 1 can rotate the limit plate 11 through the rotary seat 10 by pulling the limit plate 11 during the nucleic acid collection process, the limiting plate 11 can be changed from longitudinal placement to transverse placement, the limiting plate 11 can form a triangular bracket shape and support the tube body 1, the tube body 1 can be vertically placed without being supported by foreign objects in the nucleic acid collection process, the use convenience of the device can be improved, after the nucleic acid collection is finished, the limiting plate 11 is stored, the tube body 1 is inserted into the placing groove 1202 on the inner side of the box body 1201, the shape of the limiting plate 11 is just matched with the three salient points in the placing groove 1202, the tube body 1 can be ensured not to shake in the transportation process through the limitation of the salient points and the limiting plate 11, the box cover 1204 is pulled to enable the box cover 1204 to rotate through the rotating shaft 1203 to be closed with the box body 1201, the butt joint groove 1205 on the inner side of the box cover 1204 is just clamped with the butt joint clamping column 5, and the tube body 1 is doubly fixed through the placing groove 1202 and the butt joint groove 1205, the stability of the pipe body 1 in the transportation process is further improved, and in the process of clamping the butt joint groove 1205 with the butt joint clamping column 5, the box cover 1204 can just press the sealing plug 3, so that the probability of falling off of the sealing plug 3 is further reduced.

In conclusion, according to the structure shown in fig. 1-3, when the backflow-preventing closed type disposable sampler is used, firstly, the limiting plate 11 can be rotated through the rotating seat 10 by pulling the limiting plate 11 in the process of nucleic acid collection of the tube body 1, so that the limiting plate 11 can be changed from being placed longitudinally to being placed transversely, the limiting plate 11 can be formed into a triangular bracket shape and supports the tube body 1, the tube body 1 can be placed vertically without being supported by foreign objects in the process of nucleic acid collection, and the use convenience of the device can be improved;

then, after the medical staff collects the nucleic acid by using the cotton swab, the head of the cotton swab extends into the communicating groove 6, the head of the cotton swab can penetrate through the valve film layer 8 and enter the inner side of the tube body 1, after the head of the cotton swab enters the inner side of the valve film layer 8, the medical staff breaks the cotton swab by hand, the cotton swab can be broken quickly by taking the breaking plate 7 as a pivot, so that the head of the cotton swab can fall into the sample preserving fluid in the tube body 1 for preservation, and the breaking is assisted by using the breaking plate 7, so that the breaking and separation of the head of the cotton swab can be completed by only one hand, the collection of the nucleic acid can be facilitated, the valve film layer 8 can be closed automatically when no foreign object enters, the influence of the external environment on the collection of the nucleic acid can be effectively avoided, and the accuracy of the collection of the nucleic acid can be improved;

then after the nucleic acid collection is finished, pulling the flexible section 901 to enable the insertion column 903 to face one side of the communication groove 6, pressing down the insertion column 903 to enable the insertion column 903 to drive the sealing membrane 904 to pass through the breaking plate 7 and the valve layer 8, and enabling the sealing head 902 to cover the communication groove 6, so that the tube body 1 can be completely sealed, wherein the sealing membrane 904 is made of flexible rubber materials, when the insertion column 903 passes through the breaking plate 7, the sealing membrane 904 can be driven to shrink and simultaneously pass through the breaking plate 7, and the sealing membrane 904 can recover to the original shape after passing through the breaking plate 7, in the transportation process, through the limit between the sealing membrane 904 and the breaking plate 7, the sealing plug 3 can be effectively prevented from being loosened due to vibration, in addition, the sealing membrane is provided with three layers, so that the sealing effect of the device 904 can be further improved, in addition, the sealing plug 3 can be limited by the clamping groove 4 and the clamping block 2 at the outer end of the tube body 1, the sealing plug 3 and the pipe body 1 can be effectively prevented from loosening;

after the nucleic acid collection is completed, the limiting plate 11 is accommodated, and after the tube body 1 is inserted into the placing groove 1202 on the inner side of the box body 1201, the shape of the limiting plate 11 is just matched with three salient points in the placing groove 1202, the tube body 1 can be guaranteed not to shake in the transportation process through the limitation of the salient points and the limiting plate 11, and after the box cover 1204 is pulled to enable the box cover 1204 to rotate through the rotating shaft 1203 to be closed with the box body 1201, the butt joint groove 1205 on the inner side of the box cover 1204 can be just clamped with the butt joint clamping column 5, the tube body 1 is doubly fixed through the placing groove 1202 and the butt joint groove 1205, the stability of the tube body 1 in the transportation process can be further improved, in the process of clamping the butt joint groove 1205 with the butt joint clamping column 5, the box cover 1204 can just press the sealing plug 3, and the probability of falling of the sealing plug 3 is further reduced.

Claims

1. The anti-backflow closed disposable sampler comprises a pipe body (1) and a storage box (12), and is characterized in that a clamping block (2) is arranged on the inner side of the top of the pipe body (1), a sealing plug (3) is arranged on the inner side of the top of the pipe body (1), butt-joint clamping grooves (4) are formed in two sides of the outer portion of the sealing plug (3), a butt-joint clamping column (5) is arranged on the outer side of the top of the sealing plug (3), a communicating groove (6) is formed in the inner side of the top of the sealing plug (3), a breaking plate (7) is arranged at the middle end of the inner side of the communicating groove (6), a valve film layer (8) is connected to the middle end of the inner side of the breaking plate (7), a sealing assembly (9) is connected to the outer end of the sealing plug (3), a rotating seat (10) is connected to the outer end of the pipe body (1), and a limiting plate (11) is connected to the outer side of the rotating seat (10), the storage tank (12) is arranged at the outer end of the pipe body (1).

2. The anti-backflow closed disposable sampler according to claim 1, wherein the tube body (1) is integrated with the clamping block (2), and the clamping block (2) is connected with the sealing plug (3) in a clamping manner through the butt-joint clamping groove (4).

3. The backflow-preventing closed type disposable sampler according to claim 1 wherein the abutting clamping columns (5) are symmetrically arranged in two along the center line of the sealing plug (3), and the vertical center line of the sealing plug (3) and the vertical center line of the communicating groove (6) coincide with each other.

4. A backflow-preventing closed type disposable sampler according to claim 1 wherein the sealing assembly (9) comprises a flexible section (901), a sealing head (902), an insertion column (903) and a sealing membrane (904), the sealing head (902) is connected to the end of the flexible section (901), the insertion column (903) is arranged at the outer end of the sealing head (902), and the sealing membrane (904) is connected to the outer side surface of the insertion column (903).

5. A back-flow proof closed disposable sampler according to claim 4 wherein the diameter of the insert column (903) is the same as the diameter of the rupture plate (7) and the insert column (903) is fixedly connected to the sealing membrane (904).

6. A backflow-preventing closed disposable sampler according to claim 1 characterized in that the rotating seat (10) is rotatably connected with the limiting plates (11), and the number of the limiting plates (11) is three at the outer end of the tube (1).

7. The anti-backflow closed type disposable sampler according to claim 1, wherein the storage box (12) comprises a box body (1201), a placing groove (1202), a rotating shaft (1203), a box cover (1204) and a butt-joint groove (1205), the placing groove (1202) is formed in the outer side of the top of the box body (1201), the rotating shaft (1203) is connected to the outer end of the right side of the box body (1201), the box cover (1204) is arranged on the side, away from the box body (1201), of the rotating shaft (1203), and the butt-joint groove (1205) is formed in the inner side of the box cover (1204).

8. The anti-backflow closed type disposable sampler according to claim 7, wherein the butt joint groove (1205) is connected with the butt joint clamping column (5) in a clamping manner, and the butt joint groove (1205) corresponds to the position of the placement groove (1202) in a one-to-one manner.