CN219363632U

CN219363632U - Excrement DNA preservation device

Info

Publication number: CN219363632U
Application number: CN202320213332.2U
Authority: CN
Inventors: 韩凯; 许墨耘
Original assignee: Yali Jiangsu Biotechnology Co ltd
Current assignee: Yali Jiangsu Biotechnology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-07-18
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a fecal DNA preservation device, which comprises a storage tube, wherein the upper end of the storage tube is connected with a cover body through threads, the inner wall of the cover body is fixedly connected with a fixed ring, the inner wall of the fixed ring is fixedly connected with a sampling assembly and a sealing assembly, and a scratching assembly is arranged in the cover body; the sealing film is scratched through the scratching component, so that preservation liquid stored in the cover flows into the storage tube, the preservation liquid submerges the sampling head, DNA in the excrement is mixed in the preservation liquid, and the preservation time of the DNA in the excrement is prolonged.

Description

Excrement DNA preservation device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a fecal DNA preservation device.

Background

The pet faeces DNA extraction can help a pet doctor or a pet owner to obtain parasite information and intestinal flora information of the pet, and the health condition of the pet can be monitored in real time. There is currently no fecal DNA extractor on the market specifically for pets. The current extraction method is to sample the feces by a cotton swab or a brush, then place the sample in a storage tube, freeze-preserve the sample by dry ice and transport the sample to a detection mechanism. The operation difficulty is high and the risk is high in a dry ice storage mode; meanwhile, the sampling and storing device in the mode is generally arranged separately, so that inconvenience is brought to carrying and taking.

Disclosure of Invention

The present utility model aims to solve the drawbacks of the prior art and to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a excrement and urine DNA save set, includes the storage tube, there is the lid storage tube upper end through threaded connection, lid inner wall fixedly connected with solid fixed ring, solid fixed ring inner wall fixedly connected with sampling component and seal assembly, the inside subassembly that scratches that is provided with of lid.

Preferably, the sampling assembly comprises a funnel and a connecting rod, the inner wall of the fixed ring is fixedly connected with the funnel, the lower end of the funnel is fixedly connected with the connecting rod, the lower end of the connecting rod is fixedly connected with the sampling head, and through holes are formed in the upper end face of the funnel at equal intervals.

Preferably, the sealing assembly comprises a sealing film, the inner wall of the fixing ring is fixedly connected with the sealing film, the sealing film is made of aluminum foil materials, and the sealing film is positioned above the funnel.

Preferably, the lacerating component comprises a threaded sleeve and a cutter head, wherein a limit column is fixedly connected inside the cover body, the threaded sleeve is connected inside the limit column in a sliding mode, the lower end of the threaded sleeve is fixedly connected with a mounting plate, the lower end of the mounting plate is fixedly connected with the cutter head at equal intervals, and the cutter head is multiple in number.

Preferably, the upper end of the cover body is rotationally connected with a rotating plate, the lower end of the rotating plate is fixedly connected with a threaded rod, and the threaded rod is in threaded connection with the inner wall of the threaded sleeve.

Preferably, the first limit groove and the second limit groove are formed in the inner wall of the limit column, the first limit groove and the second limit groove are connected, a limit block is fixedly connected to the side wall of the threaded sleeve, and the limit block is located inside the first limit groove and is in sliding connection with the first limit groove.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the mutual matching of the cover body, the funnel, the connecting rod and the sampling head, the cover body can sample DNA in the excrement directly by sampling from the storage tube, so that inconvenience brought in the carrying and taking processes is avoided; the sealing film is scratched through the scratching component, so that preservation liquid stored in the cover flows into the storage tube, the preservation liquid submerges the sampling head, DNA in the excrement is mixed in the preservation liquid, and the preservation time of the DNA in the excrement is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall front view structure of the present utility model;

FIG. 2 is a schematic view of a cross-sectional exploded view of a cap and a storage tube according to the present utility model;

FIG. 3 is a schematic view of the explosive structure of the threaded rod, threaded sleeve and cap of the present utility model;

fig. 4 is a schematic diagram of a front view of the funnel according to the present utility model.

In the figure: 1. a storage tube; 2. a cover body; 3. a rotating plate; 4. a fixing ring; 5. a sealing film; 6. a funnel; 7. a connecting rod; 8. a limit column; 9. a threaded sleeve; 10. a mounting plate; 11. a cutter head; 12. a threaded rod; 13. a limiting block; 14. a first limit groove; 15. the second limit groove; 16. a sampling head; 17. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a excrement and urine DNA save set, including storage tube 1, there is lid 2 storage tube 1 upper end through threaded connection, lid 2 inner wall fixedly connected with solid fixed ring 4, gu fixed ring 4 inner wall fixedly connected with sampling module and seal assembly, the inside of lid 2 is provided with the subassembly that breaks, sampling module is including funnel 6 and connecting rod 7, gu fixed ring 4 inner wall fixedly connected with funnel 6, funnel 6 lower extreme fixedly connected with connecting rod 7, connecting rod 7 lower extreme fixedly connected with sampling head 16, through-hole 17 has been seted up to funnel 6 up end equidistance; during operation, the cover body 2 is separated from the storage tube 1 by rotating the cover body 2, and at the moment, the excrement DNA can be sampled by holding the cover body 2 and connecting the cover body 2 with the sampling head 16, so that the problem that inconvenience is brought when the storage tube 1 and the sampling head 16 are separately arranged and carried and taken is avoided.

Further, the sealing assembly comprises a sealing film 5, the inner wall of the fixed ring 4 is fixedly connected with the sealing film 5, the sealing film 5 is made of aluminum foil material, and the sealing film 5 is positioned above the funnel 6; during operation, the preservation solution is stored in the cover body 2 through the arranged sealing film 5, so that the preservation solution is prevented from being stored in the storage tube 1, and the storage tube 1 is knocked down carelessly during sampling, so that the preservation solution is lost.

Further, the scratching component comprises a threaded sleeve 9 and a cutter head 11, a limit post 8 is fixedly connected inside the cover body 2, the threaded sleeve 9 is slidably connected inside the limit post 8, a mounting plate 10 is fixedly connected to the lower end of the threaded sleeve 9, the cutter heads 11 are fixedly connected to the lower end of the mounting plate 10 at equal intervals, the cutter heads 11 are arranged in a plurality, the upper end of the cover body 2 is rotationally connected with a rotating plate 3, a threaded rod 12 is fixedly connected to the lower end of the rotating plate 3, the threaded rod 12 is in threaded connection with the inner wall of the threaded sleeve 9, a first limit groove 14 and a second limit groove 15 are formed in the inner wall of the limit post 8, the first limit groove 14 is connected with the second limit groove 15, a limit block 13 is fixedly connected to the side wall of the threaded sleeve 9, and the limit block 13 is positioned inside the first limit groove 14 and is slidably connected with the first limit groove. When the device works, the rotating plate 3 is rotated to drive the threaded rod 12 to rotate, and the limiting block 13 is positioned in the first limiting groove 14 and is in sliding connection with the first limiting groove, so that the device is driven; the screw sleeve 9 moves vertically downwards, the screw sleeve 9 moves downwards to drive the rotating plate to move downwards, the rotating plate moves downwards to drive the cutter head 11 to move downwards, when the limiting block 13 moves to the joint of the first limiting groove 14 and the second limiting groove 15, the cutter head 11 just contacts the sealing film 5, the rotating plate 3 continues to rotate to drive the threaded rod 12 to rotate, and the friction coefficient between the threaded rod 12 and the screw sleeve 9 is larger than that between the limiting block 13 and the second limiting groove 15, so that the limiting block 13 slides in the second limiting groove 15, the screw sleeve 9 is driven to move downwards and rotate, the cutter head 11 is driven to rotate while moving downwards, and the cutter head 11 cuts the sealing film 5, so that preservation liquid flows into the storage tube 1.

The working principle of the utility model is as follows: when the device is used, the cover body 2 is firstly taken down from the storage tube 1, so that the sampling head 16 is exposed, then the cover body 2 is held by hand, DNA in excrement can be extracted in the sampling head 16, then the sampling head 16 is placed in the storage tube 1, the cover body 2 and the storage tube 1 are fixed in a threaded manner, and then the rotating plate 3 is rotated to drive the threaded rod 12 to rotate, and the limiting block 13 is positioned in the first limiting groove 14 and is in sliding connection with the first limiting groove, so that the threaded rod is driven; the screw sleeve 9 moves vertically downwards, the screw sleeve 9 moves downwards to drive the rotating plate to move downwards, the rotating plate moves downwards to drive the cutter head 11 to move downwards, when the limiting block 13 moves to the joint of the first limiting groove 14 and the second limiting groove 15, the cutter head 11 just contacts the sealing film 5, the rotating plate 3 continues to rotate to drive the threaded rod 12 to rotate, the friction coefficient between the threaded rod 12 and the screw sleeve 9 is larger than that between the limiting block 13 and the second limiting groove 15, the limiting block 13 slides in the second limiting groove 15, the screw sleeve 9 is driven to move downwards and rotate, the cutter head 11 is driven to rotate while moving downwards, the cutter head 11 cuts the sealing film 5, the cut sealing film 5 is blocked above the funnel 6, and the preservation liquid flows to the upper side of the funnel 6, the through hole 17 is formed above the funnel 6, the preservation liquid flows into the storage tube 1 along the connecting rod 7 from the through hole 17, and the DNA contacts the preservation liquid to improve the activity of DNA, and accordingly the preservation time of the DNA is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Fecal DNA preservation device, including reserve tube (1), its characterized in that: the utility model discloses a storage tube, including storage tube (1), lid (2), fixed ring (4) are fixed in lid (2) inner wall fixedly connected with, fixed ring (4) inner wall fixedly connected with sampling subassembly and seal assembly, lid (2) inside is provided with and cuts apart the subassembly.

2. The fecal DNA preservation device of claim 1 wherein: the sampling assembly comprises a funnel (6) and a connecting rod (7), the funnel (6) is fixedly connected to the inner wall of the fixed ring (4), the connecting rod (7) is fixedly connected to the lower end of the funnel (6), the sampling head (16) is fixedly connected to the lower end of the connecting rod (7), and through holes (17) are formed in the upper end face of the funnel (6) at equal intervals.

3. A fecal DNA preservation apparatus according to claim 2, characterized in that: the sealing assembly comprises a sealing film (5), the sealing film (5) is fixedly connected to the inner wall of the fixing ring (4), the sealing film (5) is made of aluminum foil materials, and the sealing film (5) is located above the funnel (6).

4. The fecal DNA preservation device of claim 1 wherein: the utility model provides a scratch subassembly is including screw sleeve (9) and tool bit (11), the inside fixedly connected with spacing post (8) of lid (2), the inside sliding connection of spacing post (8) has screw sleeve (9), screw sleeve (9) lower extreme fixedly connected with mounting panel (10), mounting panel (10) lower extreme equidistance fixedly connected with tool bit (11), tool bit (11) set up a plurality ofly.

5. The fecal DNA preservation device of claim 1 wherein: the novel anti-theft bottle is characterized in that the upper end of the cover body (2) is rotationally connected with the rotating plate (3), the lower end of the rotating plate (3) is fixedly connected with the threaded rod (12), and the threaded rod (12) is in threaded connection with the inner wall of the threaded sleeve (9).

6. The fecal DNA preservation device of claim 4 wherein: the novel screw thread sleeve is characterized in that a first limit groove (14) and a second limit groove (15) are formed in the inner wall of the limit column (8), the first limit groove (14) is connected with the second limit groove (15), a limit block (13) is fixedly connected to the side wall of the screw thread sleeve (9), and the limit block (13) is located inside the first limit groove (14) and is in sliding connection with the first limit groove.