CN211142057U

CN211142057U - DNA sample case for criminal investigation

Info

Publication number: CN211142057U
Application number: CN201921934899.9U
Authority: CN
Inventors: 田师思
Original assignee: PEOPLE'S PUBLIC SECURITY UNIVERSITY OF CHINA
Current assignee: PEOPLE'S PUBLIC SECURITY UNIVERSITY OF CHINA
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-07-31
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a DNA sample case for criminal investigation, including casing and sealed lid, be close to the casing bottom and be equipped with the division board of fixed connection inboard at the casing, be equipped with the backup pad of fixed connection at the casing inner wall above the division board, casing upper end is opened has a plurality of placing holes of evenly arranging, place DNA sample pipe in the placing hole, DNA sample pipe lower extreme holding is in the refrigeration seat of casing inboard, contain the coolant liquid in the refrigeration seat, refrigeration seat upper end central point puts and is equipped with the temperature-sensing ware, the backup pad lower extreme is equipped with the refrigerator that is located the division board upper end, sealed lid upper end inboard is equipped with a plurality of ultraviolet sterilamp; the utility model discloses can preserve the sample for a long time, the double-deck design of interior outer tube has been avoided because of transporting the in-process, breaks because of the bottle that exogenic action leads to, has also avoided leading to the inner tube directly by the emergence of the freezing condition of breaking because of the cryoconservation.

Description

DNA sample case for criminal investigation

Technical Field

The utility model relates to a biochemical inspection technical field, more specifically the DNA sample case for criminal investigation that says so relates to.

Background

In the criminal investigation process, criminal investigation policemen usually adopt various tools to collect the trace, mark and other information of a criminal scene, and provide enough evidence information for solving a case as soon as possible, for example, in the criminal investigation process, DNA samples are often required to be extracted at the criminal scene and then placed in a common sampling bag or a sampling tube, however, the storage mode is easy to cause that the DNA samples cannot be effectively inspected due to the friction between the inner wall of the sampling bag or the sampling tube and the samples; and the sample is spoiled due to the storage conditions being inadequate, so that the examination cannot be performed. Adopt DNA sample strorage device EP pipe, can produce the body and break and lead to the DNA sample to leak outward to influence the laboratory and detect, lead to the experimental accident to take place.

Therefore, how to provide a DNA sample storage box for criminal investigation and increase the protection of DNA samples is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving one of the above technical problems in the prior art to a certain extent at least, and provides a DNA sample case for criminal investigation.

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

a DNA sample storage box for criminal investigation comprises a shell and a sealing cover, wherein a partition plate which is horizontally and fixedly connected to the inner wall of the shell is arranged near the bottom of the shell, and a supporting plate which is fixedly connected to the inner wall of the shell is arranged above the partition plate; a refrigerating seat is arranged above the supporting plate, a plurality of placing holes which are uniformly distributed are formed in the refrigerating seat, DNA sample tubes are placed in the placing holes, the refrigerating seat is provided with an inner cavity, cooling liquid is contained in the inner cavity, a temperature sensor is arranged at the center of the upper end of the refrigerating seat, a refrigerator arranged on the partition plate is arranged below the supporting plate, the refrigerator and the cooling liquid in the inner cavity of the refrigerating seat form a refrigerating cycle, and a plurality of ultraviolet sterilizing lamps are arranged on the inner side of the upper end of the sealing cover; the refrigerator is characterized in that a controller and a storage battery are arranged between the bottom end of the shell and the partition plate, the storage battery is electrically connected with the controller, and the controller is electrically connected with the temperature sensor, the refrigerator and the ultraviolet sterilizing lamp respectively.

Furthermore, the upper end of the partition plate is provided with a heat insulation plate which is fixedly connected with the inner side of the shell and the upper end of the refrigeration seat.

Further, the DNA sample tube comprises an outer tube and an inner tube which are sleeved together, and a gap is arranged between the inner wall of the outer tube and the outer wall of the inner tube; the bottom of the inner cavity of the outer tube is provided with a lower filler, and the bottom end of the inner tube is abutted against the lower filler; the pipe orifices of the inner pipe and the outer pipe are flush with each other and are detachably connected with pipe caps.

Furthermore, the inner wall of the top end of the outer pipe and the outer wall of the top end of the inner pipe are connected in a screwing mode through threads.

Furthermore, the inner wall of the outer pipe below the threads is provided with a filling ring, the periphery of the outer ring of the filling ring is fixedly attached to the inner wall of the outer pipe, and the periphery of the inner ring of the filling ring is hermetically attached to the outer wall of the inner pipe.

Furthermore, the center of the pipe cover is provided with a cover plug which protrudes downwards from the lower surface of the pipe cover and is matched with the pipe orifice of the inner pipe, and the cover plug extends into the pipe orifice of the inner pipe and plugs the pipe orifice of the inner pipe when the pipe cover simultaneously covers the inner pipe and the outer pipe.

Furthermore, a plurality of inner ring sealing grooves are formed in the lower surface of the pipe cover around the cover plug, and the inner ring sealing grooves are matched and sealed with the inner pipe and the pipe opening of the outer pipe in the state that the pipe cover simultaneously covers the inner pipe and the outer pipe.

Furthermore, the lower filler and the filling ring of the DNA sample storage tube are filled with sponges.

According to the technical scheme, compared with the prior art, the utility model discloses a DNA sample storage box for criminal investigation, which can store samples for a long time, the DNA samples are stored in the inner cavity of the inner tube, the structure of the outer tube is added relative to the structure of the traditional single tube body, and the interval design between the inner tube and the outer tube is adopted, so that the outer tube plays a role in protecting the inner tube, and the direct freezing rupture of the inner tube caused by ultralow temperature storage is avoided; the double-deck design of interior outer tube avoids simultaneously because of transporting the in-process, bottle that leads to because of the exogenic action breaks, and the sample leaks outward, leads to losing of valuable DNA sample to reduce the emergence of accident.

The utility model relates to a rationally, simple structure, safe and reliable, convenient to use have fine using value widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the DNA sample storage box for criminal investigation of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the DNA sample storage box for criminal investigation of the present invention.

FIG. 3 is a sectional view of the DNA sample tube of the present invention.

Wherein:

1-a shell; 2-sealing cover; 3-a partition plate; 4-DNA sample tube; 5-a refrigerating seat; 6-a support plate; 7-a refrigerator; 8-ultraviolet sterilizing lamp; 9-a controller; 10-a storage battery; 11-thermal insulation plate; 41-outer tube; 42-an inner tube; 43-lower filler; 44-a tube cover; 45-a filler ring; 51-temperature sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "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 used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being 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.

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 "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; 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.

The embodiment of the utility model discloses a DNA sample storage box for criminal investigation, which comprises a shell 1 and a sealing cover 2, wherein a partition plate 3 which is horizontally and fixedly connected with the inner wall of the shell 1 is arranged near the bottom of the shell 1, and a supporting plate 6 which is fixedly connected with the inner wall of the shell 1 is arranged above the partition plate 3; a refrigerating seat 5 is arranged above the supporting plate 6, a plurality of uniformly arranged placing holes are formed in the refrigerating seat 5, DNA sample tubes 4 are placed in the placing holes, the refrigerating seat 5 is provided with an inner cavity, cooling liquid is contained in the inner cavity, a temperature sensor 51 is arranged at the center of the upper end of the refrigerating seat 5, a refrigerator 7 arranged on the partition plate 3 is arranged below the supporting plate 6, the refrigerator 7 and the cooling liquid in the inner cavity of the refrigerating seat form a refrigerating cycle, and a plurality of ultraviolet sterilizing lamps 8 are arranged on the inner side of the upper end of the sealing cover 2; a controller 9 and a storage battery 10 are arranged between the bottom end of the shell 1 and the partition plate 3, the storage battery 10 is electrically connected with the controller 9, and the controller 9 is electrically connected with the temperature sensor 51, the refrigerator 7 and the ultraviolet sterilizing lamp 8 respectively.

Advantageously, the upper end of the partition plate 3 is provided with a heat insulation plate 11 fixedly connected with the inner side of the shell 1 and the upper end of the refrigeration seat 5, and the heat insulation plate 11 can be made of aluminum silicate material; prevent the inside air conditioning of casing 1 from losing and also isolated external temperature, practice thrift the electric energy, improve the result of use, the green insulation material that aluminium silicate used natural borer dimension as the main material through the combined processing makes, separates the temperature effectual to it is little to the environment influence.

In a specific embodiment, the DNA sample tube 4 comprises an outer tube 41 and an inner tube 42 sleeved together, and a space is provided between the inner wall of the outer tube 41 and the outer wall of the inner tube 42; the bottom of the inner cavity of the outer tube 41 is provided with a lower filling material 43, and the bottom end of the inner tube 42 abuts against the lower filling material 43; the inner tube 42 is flush with the outer tube, and is detachably connected with a tube cap 44, and the outer tube 41, the inner tube 42 and the tube cap 44 are all made of completely transparent or semitransparent materials.

Advantageously, the center of the tube cap 44 is provided with a cap plug which protrudes downward from the lower surface of the tube cap 44 and is matched with the nozzle of the inner tube 42, and in a state that the tube cap 44 simultaneously covers the inner tube 42 and the outer tube 41, the cap plug extends into the nozzle of the inner tube 42 and blocks the nozzle of the inner tube 42; a plurality of inner ring sealing grooves are formed in the lower surface of the pipe cover 44 around the periphery of the cover plug, and the inner ring sealing grooves are matched and sealed with the pipe orifices of the inner pipe and the outer pipe in the state that the pipe cover 44 simultaneously covers the inner pipe and the outer pipe.

Advantageously, the inner wall of the top end of the outer tube 41 and the outer wall of the top end of the inner tube 42 are screwed through threads, so that the connection is firm and the disassembly and assembly are convenient; the inner wall of the outer tube 41 below the screw thread is provided with a filling ring 45, the outer ring circumference of the filling ring 45 is fixedly attached to the inner wall of the outer tube 41, the inner ring circumference of the filling ring 45 is hermetically attached to the outer wall of the inner tube 42, and the lower filler 43 and the filling ring 45 can be filled with sponge bodies.

The utility model discloses only need adjust opening of required storage temperature and ultraviolet sterilamp through the control panel ware, only need cover with sealed after filling up all DNA sample pipes, ultraviolet sterilamp work, when the temperature of cooling liquid is sensed to the temperature-sensing ware surpasses the settlement scope, the work refrigeration of controller control refrigerator, reach corresponding save temperature, play the effect of protection guarantor to the inner tube through the outer tube, also avoided leading to the inner tube directly by the emergence of the freezing condition of rupture because of ultra-low temperature preservation, the double-deck design of inner and outer pipe is avoided simultaneously because of transporting the in-process, bottle that leads to because of exogenic action breaks, the sample leaks outward, lead to losing of valuable DNA sample.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A DNA sample storage box for criminal investigation is characterized by comprising a shell (1) and a sealing cover (2), wherein a partition plate (3) which is horizontally and fixedly connected to the inner wall of the shell (1) is arranged near the bottom of the shell (1), and a supporting plate (6) which is fixedly connected to the inner wall of the shell (1) is arranged above the partition plate (3); a refrigerating seat (5) is installed above the supporting plate (6), a plurality of uniformly-distributed placing holes are formed in the refrigerating seat (5), DNA sample tubes (4) are placed in the placing holes, the refrigerating seat (5) is provided with an inner cavity, cooling liquid is contained in the inner cavity, a temperature sensor (51) is arranged at the center of the upper end of the refrigerating seat (5), a refrigerator (7) installed on the partition plate (3) is arranged below the supporting plate (6), the refrigerator (7) and the refrigerating liquid in the inner cavity of the refrigerating seat form a refrigerating cycle, and a plurality of ultraviolet sterilizing lamps (8) are arranged on the inner side of the upper end of the sealing cover (2); be equipped with controller (9) and battery (10) between casing (1) bottom and division board (3), battery (10) are connected with controller (9) electricity, controller (9) respectively with temperature-sensing ware (51), refrigerator (7) and ultraviolet sterilamp (8) electric connection.

2. The DNA specimen storage box for criminal investigation according to claim 1, wherein the upper end of the partition plate (3) is provided with a heat insulating plate (11) fixedly attached to the inside of the case (1) and the upper end of the refrigerating seat (5).

3. The DNA sample storage box for criminal investigation according to claim 1, wherein the DNA sample tube (4) comprises an outer tube (41) and an inner tube (42) sleeved together, a space is provided between an inner wall of the outer tube (41) and an outer wall of the inner tube (42), a lower filler (43) is provided at the bottom of the inner cavity of the outer tube (41), and the bottom end of the inner tube (42) abuts against the lower filler (43); the inner pipe (42) and the outer pipe are flush with each other, and a pipe cover (44) is detachably connected.

4. The criminal investigation DNA sample storage box according to claim 3, wherein the top inner wall of the outer tube (41) and the top outer wall of the inner tube (42) are screwed together.

5. The criminal investigation DNA sample storage box according to claim 4, wherein the inner wall of the outer tube (41) below the screw thread is provided with a filling ring (45), the outer circumference of the filling ring (45) is fixedly attached to the inner wall of the outer tube (41), and the inner circumference of the filling ring (45) is hermetically attached to the outer wall of the inner tube (42).

6. The DNA specimen storage box for criminal investigation according to claim 5, wherein the center of the tube cap (44) is provided with a cap plug which protrudes downward from the lower surface of the tube cap and fits with the mouth of the inner tube (42), and the cap plug protrudes into the mouth of the inner tube (42) and blocks the mouth of the inner tube (42) in a state where the tube cap (44) simultaneously covers the inner tube (42) and the outer tube (41).

7. The DNA specimen storage box for criminal investigation of claim 6, wherein the lower surface of the tube cap (44) is provided with a plurality of inner ring sealing grooves around the cap plug, and the inner ring sealing grooves are adapted to the mouths of the inner tube and the outer tube in a state that the tube cap (44) simultaneously covers the inner tube and the outer tube.

8. The DNA specimen storage case for criminal investigation of claim 5, wherein the lower filler (43) and the filling ring (45) are filled with sponge.