CN218401666U

CN218401666U - DNA extraction kit

Info

Publication number: CN218401666U
Application number: CN202223001800.4U
Authority: CN
Inventors: 朱燕苏; 倪峰
Original assignee: Beijing Baiao Innovation Technology Co ltd
Current assignee: Beijing Baiao Innovation Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-01-31
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a DNA draws kit, include box body down, go up lid and U-shaped glass board, box body tip both sides all are provided with the pivot near top department down, the peripheral cover of pivot is equipped with the lid, it is located box body upper end down to go up the lid, the bottom is provided with down the sponge piece in the box body down, it is provided with the sponge piece to go up the top in the lid, down sponge piece top and last sponge piece bottom are close to the edge and have all seted up the columnar order groove, it is provided with the U-shaped groove to go up lid one end and both sides department, U-shaped inslot card is equipped with the U-shaped glass board. This novel structure that the liquid level that possesses internal reagent pipe under the condition of opening the box body was observed can make things convenient for personnel to master fast the reagent consumption condition in the reagent pipe, is favorable to the replenishment of follow-up DNA reagent, is fit for extensively using widely.

Description

DNA extraction kit

Technical Field

The utility model relates to a DNA draws technical field, in particular to DNA draws kit.

Background

The DNA extraction technology is a technology for performing identity verification by separating human tissues to compare with DNA data in a database, and requires a DNA extraction reagent for extraction of DNA by field personnel.

The patent number CN213800880U discloses a DNA extraction kit, which comprises a placing box, a sealing cover, a placing frame and a handle, wherein the port of the upper port of the placing box is hermetically connected with the sealing cover through two groups of hinges, two groups of mounting pieces with U-shaped structures are fixed on the upper surface of the sealing cover through bolts, and the handle is movably connected between the two groups of mounting pieces; the reagent tube placing box is characterized in that a placing frame with a rectangular structure and two-way lead screws arranged in parallel are sequentially arranged in the placing box from top to bottom, a plurality of groups of reagent tube placing grooves are uniformly distributed at the top end of the placing frame, two groups of arc-shaped blocks and two groups of clamping mechanisms are arranged in each group of placing grooves, sliding blocks are fixedly welded on two groups of vertical outer walls of the placing frame, and the placing frame is respectively connected with sliding grooves formed in two groups of vertical inner walls of the placing box in a sliding manner through two groups of sliding blocks; the left end of the bidirectional screw rod is rotationally connected with a group of vertical inner walls of the placing box through a bearing. The DNA extraction kit is simple in structure and high in practicability.

The prior extraction kit has the following defects: 1. the structure for observing the liquid level of the internal reagent tube under the condition of not opening the box body is not provided, so that the reagent consumption condition in the reagent tube can not be conveniently and rapidly mastered by personnel, and the follow-up supplement of the DNA reagent is not facilitated. To this end, we propose a DNA extraction kit.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a DNA draws kit can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a DNA draws kit, includes box body, upper cover and U-shaped glass board down, box body tip both sides all are provided with the pivot near top down, the peripheral cover of pivot is equipped with the upper cover, the upper cover is located box body upper end down, the internal bottom of box is provided with down the sponge piece down, the top is provided with the sponge piece in the upper cover, the bottom sponge piece top and the last sponge piece bottom are close to the edge and all seted up the post groove down, upper cover one end and both sides department are provided with the U-shaped groove, the U-shaped inslot card is equipped with the U-shaped glass board.

Further, a guide groove is formed in one end of the top of the lower box body, a guide pillar is sleeved in the guide groove, a rectangular blocking plate is connected to the top of the guide pillar, a foam cotton block is fixed between the rectangular blocking plate and the lower box body through glue, a cylindrical spring is arranged on the periphery of the bottom end of the guide pillar, the bottom of the cylindrical spring is connected with the bottom of the guide groove, the cylindrical spring is compressed in an initial state, upward force can be applied to the guide pillar and the rectangular blocking plate through the cylindrical spring, and therefore the rectangular blocking plate compresses the top of the upper cover body, when the upper cover body rotates around the rotating shaft, the rectangular blocking plate goes up and down to a certain extent, the bottom of the upper cover body is compressed all the time, the foam cotton block has certain flexibility, and the space between the upper cover body and one end of the lower box body can be blocked all the time.

Furthermore, U-shaped fixed blocks are arranged on the two sides of the lower box body close to the bottom of the lower box body.

Furthermore, the lower box body and the upper cover body are both made of POM materials, and the lower box body and the upper cover body made of the POM materials have good corrosion resistance and strength and good reliability in use.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model relates to a DNA draws kit, box body and last lid have closed the back down, go up sponge piece bottom and possess certain space down between the sponge piece top, because the cylindrical groove distributes sponge piece one end and both sides department under, personnel are through observing the U-shaped glass board, the convenience is under the condition of not opening the box body, observe the liquid level of the reagent pipe of cylindrical groove internal fixation, make things convenient for personnel to master fast the reagent consumption condition in the reagent pipe, be favorable to the follow-up DNA reagent to supply.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the DNA extraction kit of the present invention.

FIG. 2 is a schematic diagram of the structure of the lower sponge block, the upper sponge block and the cylindrical groove of the DNA extraction kit of the present invention.

FIG. 3 is a schematic view of the cross-sectional structure of the lower box body, the foam block, the rectangular blocking plate and the guide groove of the DNA extraction kit of the present invention.

FIG. 4 is a schematic diagram of a side view of the DNA extraction kit of the present invention.

In the figure: 1. a lower box body; 2. a rotating shaft; 3. an upper cover body; 4. a U-shaped glass plate; 5. a U-shaped fixing block; 6. feeding a sponge block; 7. a sponge block is arranged; 8. a cylindrical groove; 9. soaking cotton blocks; 10. a rectangular blocking plate; 11. a guide groove; 12. a guide post; 13. a cylindrical spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a DNA extraction kit comprises a lower box body 1, an upper cover 3 and a U-shaped glass plate 4, wherein rotating shafts 2 are arranged at two sides of the end portion of the lower box body 1 near the top, the upper cover 3 is sleeved at the periphery of the rotating shafts 2, the upper cover 3 is positioned at the upper end of the lower box body 1, a lower sponge block 6 is arranged at the bottom in the lower box body 1, an upper sponge block 7 is arranged at the top in the upper cover 3, cylindrical grooves 8 are arranged at the top of the lower sponge block 6 and the bottom of the upper sponge block 7 near the edges, U-shaped grooves are arranged at one end and two sides of the upper cover 3, and the U-shaped glass plate 4 is clamped in the U-shaped grooves.

The device comprises a lower box body 1, a guide groove 11 is formed in one end of the top of the lower box body 1, a guide pillar 12 is sleeved in the guide groove 11, the top of the guide pillar 12 is connected with a rectangular blocking plate 10, a foam block 9 is fixed between the rectangular blocking plate 10 and the lower box body 1 through glue, a cylindrical spring 13 is arranged on the periphery of the bottom end of the guide pillar 12, the bottom of the cylindrical spring 13 is connected with the bottom of the guide groove 11, the dust amount of an upper cover body 3 entering the box body when the upper cover body is opened and closed is favorably reduced, and the possibility of pollution of reagents is reduced.

In this embodiment, as shown in fig. 2 to 4, the cylindrical spring 13 is compressed in the initial state, and the cylindrical spring 13 can apply an upward force to the guide post 12 and the rectangular blocking plate 10, so that the rectangular blocking plate 10 compresses the top of the upper cover body 3, when the upper cover body 3 rotates around the rotating shaft 2, the rectangular blocking plate 10 goes up and down to a certain extent, and compresses the bottom of the upper cover body 3 all the time, and the foam block 9 has a certain flexibility, so that the space between the upper cover body 3 and one end of the lower box body 1 can be always blocked.

Wherein, the two sides of the lower box body 1 are provided with U-shaped fixing blocks 5 near the bottom.

In the embodiment, as shown in fig. 1 to 4, the lower case 1 can be conveniently carried by hand by passing an external belt through the U-shaped fixing block 5.

Wherein, the lower box body 1 and the upper cover body 3 are both made of POM materials.

In this embodiment, as shown in fig. 1 to 4, the lower case 1 and the upper cover 3 made of POM material have good corrosion resistance and strength, and are reliable in use.

It should be noted that, the utility model relates to a DNA draws kit, in operation, through the cylindrical groove 8 that 6 tops of lower sponge piece and 7 bottoms of last sponge piece were seted up, the reagent pipe that is used for drawing DNA is conveniently placed, and when pivot 2 closed with lower box body 1, carry out effective spacing fixed to the reagent pipe, box body 1 closed up the back with last lid 3 down, it possesses certain space to go up between 7 bottoms of sponge piece and the lower sponge piece 6 tops, because cylindrical groove 8 distributes in 6 one end of sponge piece and both sides department down, personnel are through observing U-shaped glass plate 4, the convenience is under the condition of not opening the box body, observe the liquid level of the reagent pipe of cylindrical groove 8 internal fixation, make things convenient for personnel to master fast the reagent consumption condition in the reagent pipe, be favorable to follow-up replenishing the DNA reagent.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a DNA draws kit, includes box body (1), upper cover body (3) and U-shaped glass board (4) down, its characterized in that: the utility model discloses a box body, including box body (1), top, lid (3), upper cover (3), upper cover (6) and upper sponge piece (7), the bottom is provided with down sponge piece (6) in box body (1) down, the top is provided with sponge piece (7) down, sponge piece (6) top and upper sponge piece (7) bottom are close to the edge and have all seted up cylindrical groove (8) down, upper cover (3) one end and both sides department are provided with the U-shaped groove, the U-shaped inslot card is equipped with U-shaped glass board (4).

2. The DNA extraction kit according to claim 1, wherein: a guide groove (11) is formed in one end of the top of the lower box body (1), a guide pillar (12) is arranged in the guide groove (11) in a sleeved mode, the top of the guide pillar (12) is connected with a rectangular blocking plate (10), a foam block (9) is fixed between the rectangular blocking plate (10) and the lower box body (1) through glue, a cylindrical spring (13) is arranged on the periphery of the bottom end of the guide pillar (12), and the bottom of the cylindrical spring (13) is connected with the bottom in the guide groove (11).

3. The DNA extraction kit according to claim 1, wherein: u-shaped fixed blocks (5) are arranged on the two sides of the lower box body (1) and close to the bottom.

4. The DNA extraction kit according to claim 1, wherein: the lower box body (1) and the upper cover body (3) are both made of POM materials.