CN220466212U

CN220466212U - DNA extraction kit for forensic material evidence

Info

Publication number: CN220466212U
Application number: CN202320794983.5U
Authority: CN
Inventors: 张莹
Original assignee: Wenzhou Tianzheng Judicial Appraisal Institute
Current assignee: Wenzhou Tianzheng Judicial Appraisal Institute
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2024-02-09
Anticipated expiration: 2033-04-12

Abstract

The utility model discloses a DNA extraction kit for forensic material evidence, which comprises a storage box, wherein a lifting mechanism is arranged in the storage box and used for lifting the DNA kit, and a clamping mechanism is arranged in the storage box and used for fixing the DNA kit; the lifting mechanism comprises a positioning plate, a fixing plate, a spring, a fixing rod, a fixing block and a movable rod, wherein the positioning plate is arranged in the storage box, the lower part of the fixing plate is fixedly connected with the positioning plate, and one side of the spring is fixedly connected with the positioning plate.

Description

DNA extraction kit for forensic material evidence

Technical Field

The utility model relates to the technical field of biological identification, in particular to a DNA extraction kit for forensic material evidence.

Background

Forensic authentication is an important content of related technical work in judicial procedures, and is to use knowledge in aspects of medicine, biology, mankind, physics, chemistry and the like to verify and identify living bodies, cadavers, biological physical evidence and the like related to human bodies.

Through searching, in the prior art, chinese patent application number: CN216637272U discloses a DNA extraction kit that can be used to forensic material evidence, and this case, box body outer wall are provided with the liquid nitrogen refrigerating plant that reduces sample preservation groove temperature, the box body outer wall articulates there is the heated board that covers the sample preservation groove, and the fixed sample preservation frame that is provided with of sample preservation groove diapire supplies the template to place has the advantage of carrying out interim save to the sample of checking.

However, the above-mentioned structure still has the disadvantage that, when the sample is submitted for inspection, the structure of fixing the sample is lacking, and the kit is liable to shake, leads to the kit to cause the damage easily, and when taking out the kit from the inside of the box body, the lifting structure is lacking, and the height of the kit can be lower than the height of the box body, leads to being inconvenient for taking out the kit.

Disclosure of Invention

The utility model aims to provide a DNA extraction kit for forensic evidence, which can fix the kit, avoid damage to the kit caused by shaking in the process of sample delivery, adjust the height of the kit and facilitate the extraction of the kit, thereby solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the DNA kit comprises a storage box, wherein a lifting mechanism is arranged in the storage box and used for lifting the DNA kit, and a clamping mechanism is arranged in the storage box and used for fixing the DNA kit;

the lifting mechanism comprises a positioning plate, a fixing plate, a spring, a fixing rod, a fixing block and a movable rod, wherein the positioning plate is arranged in the storage box, the lower portion of the fixing plate is fixedly connected with the positioning plate, one side of the spring is fixedly connected with the positioning plate, the other side of the spring is fixedly connected with the fixing block, the fixing block is fixedly connected with the inner part of the storage box, one side of the fixing rod is fixedly connected with the fixing block, one side of the movable rod is in sliding connection with the inner part of the fixing rod, and the spring is sleeved on the surfaces of the fixing rod and the movable rod.

Further, the clamping mechanism comprises a clamping block A, a clamping block B, a bolt, a screw sleeve and a handle sleeve, wherein the clamping block A and the clamping block B are arranged inside the storage box, one side of the screw sleeve is fixedly connected with the clamping block A, one side of the bolt is in threaded connection with the inside of the screw sleeve, the inside of the handle sleeve is fixedly connected with the bolt, one side of the bolt is rotatably connected with the clamping block B, and one sides of the clamping block A and the clamping block B are provided with grooves.

Further, a partition plate is fixed inside the storage box, and the clamping mechanism is arranged above the partition plate.

Further, a sliding block is fixed below the clamping block B, a sliding groove is clamped above the partition plate, and the sliding block is in sliding connection with the inner part of the sliding groove.

Further, a positioning block is fixed in the storage box, and the upper part of the fixing rod is in contact with the positioning block.

Further, the both sides of dead lever all rotate and are connected with the connecting rod, the inside sliding connection of connecting rod has the inserted bar, one side of inserted bar is pegged graft in the inside of fixed block.

Further, a placing groove is formed in the upper portion of the positioning plate, and protective pads are fixed in the placing groove and the groove.

In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:

1. according to the utility model, the lifting mechanism is arranged, when the reagent kit is required to be taken out, the fixing rod is pressed to drive the lower part of the locating plate to rebound, and the movable rod moves in the fixing rod, so that the reagent kit is driven to move upwards, and the reagent kit is convenient to take out.

2. According to the utility model, the clamping mechanism is arranged, after the reagent kit is placed, the handle sleeve is rotated to drive the screw rod to rotate in the fixing sleeve, so that the clamping block B is driven to move, and when the groove is contacted with the reagent kit, the reagent kit is fixed, the reagent kit is prevented from shaking, and the reagent kit is easy to damage.

Drawings

FIG. 1 is a schematic diagram of a DNA extraction kit for forensic evidence according to the present utility model;

FIG. 2 is a schematic view of a lifting mechanism according to the present utility model;

FIG. 3 is a schematic view of a clamping mechanism according to the present utility model;

fig. 4 is a schematic structural diagram of the present utility model at a.

In the figure: 1. a storage box; 2. a lifting mechanism; 21. a positioning plate; 22. a fixing plate; 23. a spring; 24. a fixed rod; 25. a fixed block; 26. a movable rod; 3. a clamping mechanism; 301. a clamping block A; 302. a clamping block B; 303. a bolt; 304. a screw sleeve; 305. a handle sleeve; 306. a groove; 4. a partition plate; 5. a chute 11; 6. a positioning block; 7. a connecting rod; 8. a rod; 9. a placement groove; 10. a protective pad; 11. a sliding block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

The utility model provides a DNA extraction kit for forensic evidence, as shown in figures 1-4, which comprises a storage box 1, wherein a lifting mechanism 2 is arranged in the storage box 1, the lifting mechanism 2 is used for lifting and lowering a DNA kit, a clamping mechanism 3 is arranged in the storage box 1, and the clamping mechanism 3 is used for fixing the DNA kit;

the lifting mechanism 2 comprises a positioning plate 21, a fixing plate 22, a spring 23, a fixing rod 24, a fixing block 25 and a movable rod 26, wherein the positioning plate 21 is arranged in the storage box 1, the lower part of the fixing plate 22 is fixedly connected with the positioning plate 21, one side of the spring 23 is fixedly connected with the positioning plate 21, the other side of the spring 23 is fixedly connected with the fixing block 25, the fixing block 25 is fixedly connected with the inside of the storage box 1, one side of the fixing rod 24 is fixedly connected with the fixing block 25, one side of the movable rod 26 is slidably connected with the inside of the fixing rod 24, the spring 23 is sleeved on the surfaces of the fixing rod 24 and the movable rod 26, more specifically, when the reagent box needs to be taken out by arranging the lifting mechanism 2, the fixing rod 24 is pressed to drive the lower part of the positioning plate 21 to rebound, and the movable rod 26 moves in the inside of the fixing rod 24, so that the reagent box is driven to move upwards, and the reagent box is taken out conveniently.

As shown in fig. 1 and 3, in some embodiments, the clamping mechanism 3 includes a clamping block a301, a clamping block B302, a bolt 303, a screw sleeve 304 and a handle sleeve 305, where the clamping block a301 and the clamping block B302 are both disposed inside the storage box 1, one side of the screw sleeve 304 is fixedly connected with the clamping block a301, one side of the bolt 303 is in threaded connection with the inside of the screw sleeve 304, the inside of the handle sleeve 305 is fixedly connected with the bolt 303, one side of the bolt 303 is rotatably connected with the clamping block B302, one side of the clamping block a301 and one side of the clamping block B302 are provided with a groove 306, more specifically, after the reagent box is placed, the handle sleeve 305 is rotated to drive the screw rod to rotate inside the fixing sleeve, so as to drive the clamping block a301 to move, when the groove 306 contacts with the reagent box, thereby fixing the reagent box, and preventing the reagent box from shaking and easily damaging the reagent box.

As shown in fig. 1 and 4, in some embodiments, a partition plate 4 is fixed inside the storage case 1, and the clamping mechanism 3 is provided above the partition plate 4, more specifically, by providing the partition plate 4, the clamping mechanism 3 is installed above the partition plate 4, thereby supporting the clamping mechanism 3.

As shown in fig. 1, in some embodiments, a sliding block 11 is fixed below the clamping block B302, a sliding groove 5 is clamped above the partition board 4, and the sliding block 11 is slidably connected with the sliding groove 5, more specifically, when the sliding block 11 and the sliding groove 5 are arranged to move in the clamping block B302, the sliding block 11 is driven to move in the sliding groove 5, so that a stable effect is achieved on the movement of the clamping block B302, and the deviation of the clamping block B302 during the movement is avoided.

As shown in fig. 1 and 2, in some embodiments, the positioning block 6 is fixed inside the storage box 1, and the upper portion of the fixing rod 24 contacts with the positioning block 6, more specifically, by providing the fixing block 25, when the fixing plate 22 contacts with the fixing block 25, the fixing plate 22 can be blocked, and the situation that the fixing plate 22 is completely ejected due to the elastic force of the spring 23 is avoided.

As shown in fig. 2, in some embodiments, the two sides of the fixing rod 24 are rotatably connected with the connecting rod 7, the inside of the connecting rod 7 is slidably connected with the inserting rod 8, and one side of the inserting rod 8 is inserted into the inside of the fixing block 25, more specifically, by arranging the connecting rod 7 and the inserting rod 8, after the reagent kit is placed, the inserting rod 8 is inserted into the inside of the fixing block 25, so that the limiting effect on the fixing rod 24 is achieved.

As shown in fig. 2 and 3, in some embodiments, a placement groove 9 is formed above the positioning plate 21, and protective pads 10 are fixed inside the placement groove 9 and the groove 306, more specifically, by setting the placement groove 9 and the protective pads 10, a kit is placed inside the placement groove 9, and the kit contacts with the protective pads 10, so as to play a role in protecting the kit.

Working principle: when the kit is used, one side of the kit passes through the partition plate 4 and is placed in the placing groove 9, the sleeve 305 is rotated to drive the screw rod to rotate in the fixing sleeve, so that the clamping block B302 is driven to move, the sliding block 11 is driven to move in the sliding groove 5, the clamping block is stably moved, the clamping block B302 is prevented from shifting when moving, when the groove 306 contacts with the kit, the fixing effect is achieved on the kit, the shaking of the kit is avoided, the kit is easy to damage, when the kit needs to be taken out, the inserting rod 8 is taken out in the fixing block 25, the limit of the fixing rod 24 is released, the fixing rod 24 drives the positioning plate 21 to rebound, the movable rod 26 moves in the fixing rod 24, the fixing rod 24 is blocked after the fixing rod 24 contacts with the fixing block 25, and the kit is driven to move upwards, and the kit is conveniently taken out.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a DNA extraction kit that can be used to forensic material evidence, includes the storage box, its characterized in that: the inside of the storage box is provided with a lifting mechanism, the lifting mechanism is used for lifting the DNA kit, the inside of the storage box is provided with a clamping mechanism, and the clamping mechanism is used for fixing the DNA kit;

2. The DNA extraction kit for forensic evidence according to claim 1 wherein: the clamping mechanism comprises a clamping block A, a clamping block B, a bolt, a threaded sleeve and a handle sleeve, wherein the clamping block A and the clamping block B are arranged inside the storage box, one side of the threaded sleeve is fixedly connected with the clamping block A, one side of the bolt is fixedly connected with the internal thread of the threaded sleeve, the interior of the handle sleeve is fixedly connected with the bolt, one side of the bolt is rotatably connected with the clamping block B, and one sides of the clamping block A and the clamping block B are provided with grooves.

3. The DNA extraction kit for forensic evidence according to claim 2, wherein: the inside of storage box is fixed with the baffle, clamping mechanism sets up the top of baffle.

4. A DNA extraction kit for forensic evidence according to claim 3 wherein: the lower part of the clamping block B is fixedly provided with a sliding block, a sliding groove is clamped above the partition plate, and the sliding block is in sliding connection with the inner part of the sliding groove.

5. A DNA extraction kit for forensic evidence according to claim 3 wherein: the storage box is internally fixed with a positioning block, and the upper part of the fixing rod is contacted with the positioning block.

6. The DNA extraction kit for forensic evidence according to claim 5, wherein: the both sides of dead lever all rotate and are connected with the connecting rod, the inside sliding connection of connecting rod has the inserted bar, one side of inserted bar is pegged graft the inside of fixed block.

7. The DNA extraction kit for forensic evidence according to claim 1 wherein: the standing groove is formed in the upper portion of the positioning plate, and the inside of the standing groove and the inside of the groove are both fixedly provided with protection pads.