Extended DNA (deoxyribonucleic acid) collecting and evidence obtaining device

Abstract

The utility model relates to the technical field of DNA collection, and particularly discloses an extended DNA collection evidence obtaining device which comprises a grip, a label printing box, a sleeve, an adjusting plate and a clamping jaw, the whole grip is of a cylindrical structure, and the label printing box is fixedly installed on the side face of the grip; the sleeve is fixedly arranged at one end of the grip, the telescopic rod is arranged in the sleeve, and the adjusting plate is connected with the end of the telescopic rod through the rotating table. The clamping jaws are arranged in pairs, adjusting grooves are formed in the surface of the adjusting plate, adjusting blocks are arranged at the ends of the clamping jaws, and the adjusting blocks are arranged in the adjusting grooves and move in the length direction of the adjusting grooves in an adjusting mode. The device is used for extending the hand operation distance of an explorer in a complex field environment, so that direct contact with a sample is avoided, and the pollution risk is reduced; the integrated marking device and the photographing device realize rapid and accurate sample marking and image acquisition, so that the evidence obtaining quality is improved, the evidence obtaining process is simplified, and the evidence obtaining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of DNA collection, in particular to an extended DNA collection and evidence collection device. Background Art

[0002] In the on-site investigation work of the public security organs, the collection and collection of DNA evidence is a very critical link. Traditional DNA evidence collection methods usually require investigators to manually mark and record sample information and use cameras to take photos for evidence collection. However, this method has problems such as cumbersome operation, low efficiency, and prone to errors. These problems are particularly prominent when the on-site environment is complex, difficult to reach, or the lighting conditions are poor. Therefore, it is necessary to design a device that can simplify the operation process and improve the efficiency of evidence collection. Utility Model Content

[0003] The purpose of the utility model is to provide an extended DNA collection and evidence collection device to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extended DNA collection and evidence collection device, comprising a handle, a label printing box, a sleeve, an adjustment plate and a clamp, wherein the handle is an overall cylindrical structure, and the label printing box is fixedly installed on the side of the handle; the sleeve is fixedly arranged at one end of the handle, a telescopic rod is arranged in the sleeve, and the adjustment plate is connected to the end of the telescopic rod through a rotating table; the clamps are arranged in pairs, an adjustment groove is arranged on the surface of the adjustment plate, and an adjustment block is arranged at the bottom end of the clamp, and the adjustment block is arranged in the adjustment groove and is adjusted and moved along the length direction of the adjustment groove.

[0005] Preferably, annular mounting seats are provided at both ends of the side surface of the handle, and fixing rods are transversely provided on the side surface of the mounting seat to fix the label printing box.

[0006] Preferably, the label printing box is in a square structure as a whole, a touch screen is arranged on one side of the label printing box, a protruding label storage box is arranged on the other side of the label printing box, and a label outlet is arranged on the side of the label storage box.

[0007] Preferably, an electric push rod is arranged inside the sleeve, and one end of the telescopic rod is connected to the output end of the electric push rod; a rotating motor is embedded in the other end of the telescopic rod, and the rotating table is connected to the output end of the rotating motor.

[0008] Preferably, a screw rod is arranged in the adjustment groove, and opposite thread structures are arranged on the screw rod, respectively corresponding to the adjustment blocks of the two groups of jaws, and the adjustment block is provided with a thread structure meshing with the screw rod; the screw rod is driven by a servo motor embedded in the adjustment plate.

[0009] Preferably, the clamping jaw is assembled from two vertical plates and an inclined plate, wherein one vertical plate is fixedly connected to the adjustment block, and the inclined plate is connected to the other vertical plate after being tilted inwards.

[0010] Preferably, a digital camera and an LED lighting lamp are arranged on the surface of the adjustment plate, and the digital camera and the LED lighting lamp are respectively located on both sides of the adjustment slot.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the evidence collection device provided by the utility model is used to extend the operating distance of the investigators' hands in a complex on-site environment, avoid direct contact with samples, and reduce the risk of contamination; it simplifies the collection, marking and photographing process of DNA samples in on-site investigations, and improves the efficiency of evidence collection; the integrated marking device and photographing device realize fast and accurate sample marking and image collection, and improves the quality of evidence collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the clamping jaw structure of the utility model;

[0015] Numbers in the figure: 1. handle; 11. mounting base; 12. fixing rod; 2. label printing box; 21. touch screen; 22. label storage box; 23. label outlet; 3. sleeve; 31. telescopic rod; 4. adjustment plate; 41. rotating table; 42. adjustment slot; 43. screw rod; 44. digital camera; 45. LED lighting; 5. clamping claw; 51. adjustment block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] See also Figure 1-3 The utility model provides a technical solution: an extended DNA collection and evidence collection device, comprising a handle 1, a label printing box 2, a sleeve 3, an adjustment plate 4 and a clamp 5, wherein the handle 1 is an overall cylindrical structure, and the label printing box 2 is fixedly installed on the side of the handle 1; the sleeve 3 is fixedly arranged at one end of the handle 1, a telescopic rod 31 is arranged in the sleeve 3, and the adjustment plate 4 is connected to the end of the telescopic rod 31 through a rotating table 41; the clamp 5 is arranged in pairs, an adjustment groove 42 is arranged on the surface of the adjustment plate 4, and an adjustment block 51 is arranged at the bottom end of the clamp 5, and the adjustment block 51 is arranged in the adjustment groove 42, and is adjusted and moved along the length direction of the adjustment groove 42.

[0020] Furthermore, an annular mounting seat 11 is disposed at both ends of the side surface of the handle 1 , and a fixing rod 12 is transversely disposed on the side surface of the mounting seat 11 to fix the label printing box 2 .

[0021] Furthermore, the label printing box 2 is in a square structure as a whole, a touch screen 21 is provided on one side of the label printing box 2 , a protruding label storage box 22 is provided on the other side of the label printing box 2 , and a label outlet 23 is provided on the side of the label storage box 22 .

[0022] Furthermore, an electric push rod is arranged inside the sleeve 3, and one end of the telescopic rod 31 is connected to the output end of the electric push rod; a rotating motor is embedded in the other end of the telescopic rod 31, and the rotating platform 41 is connected to the output end of the rotating motor.

[0023] Furthermore, a screw rod 43 is arranged in the adjustment groove 42, and opposite thread structures are arranged on the screw rod 43, which respectively correspond to the adjustment blocks 51 of the two groups of jaws 5, and the adjustment blocks 51 are provided with thread structures that mesh with the screw rod 43; the screw rod 43 is driven by a servo motor embedded in the adjustment plate 4.

[0024] Furthermore, the clamping jaw 5 is assembled from two vertical plates and an inclined plate, wherein one vertical plate is fixedly connected to the adjustment block 51 , and the inclined plate is connected to the other vertical plate after being tilted inwards.

[0025] Furthermore, a digital camera 44 and an LED lighting lamp 45 are disposed on the surface of the adjustment plate 4 , and the digital camera 44 and the LED lighting lamp 45 are respectively located on both sides of the adjustment slot 42 .

[0026] Working principle: In actual use, the electric push rod can be used to drive the telescopic rod 31 to extend and retract in the sleeve 3, so as to adjust the position of the adjustment plate 4 and the clamping jaw 5; the rotary motor can be adjusted to drive the rotating table 41 to rotate, so as to change the angle of the adjustment plate 4; the servo motor can be used to drive the screw rod 43 to rotate, so as to make the adjustment block 51 move back and forth on the screw rod 43, and change the distance between the clamping jaws 5. In this way, the state of the clamping jaw 5 can be flexibly adjusted to meet the needs of sample collection at different heights and distances; the clamping jaw 5 is used to replace manual evidence collection, avoid direct contact with the sample, and reduce the risk of contamination.

[0027] During actual evidence collection, investigators can directly print relevant information (such as sample number, collection time, collector, etc.) through the label printing box 2 integrated on the grip 1 to achieve fast and accurate marking. At the same time, a digital camera 44 and an LED lighting lamp 45 are also set on the adjustment board 4. The digital camera 44 is used to capture a clear image of the sample, and the LED lighting lamp 45 is used to provide sufficient lighting in an environment with poor lighting to ensure image quality. The digital camera 44 can transmit the image to the mobile device or computer of the investigator via a wireless connection to facilitate subsequent analysis and processing.

[0028] It is worth noting that the entire device is controlled by a main control button. Since the device matched with the control button is a common device and belongs to the existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Extended DNA collection and evidence collection device, characterized by: The invention comprises a handle (1), a label printing box (2), a sleeve (3), an adjustment plate (4) and a clamping jaw (5); the handle (1) is in an overall cylindrical structure; the label printing box (2) is fixedly mounted on the side of the handle (1); the sleeve (3) is fixedly mounted on one end of the handle (1); a telescopic rod (31) is arranged in the sleeve (3); the adjustment plate (4) is connected to the end of the telescopic rod (31) via a rotating platform (41); the clamping jaws (5) are arranged in pairs; an adjustment groove (42) is arranged on the surface of the adjustment plate (4); an adjustment block (51) is arranged at the bottom end of the clamping jaw (5); the adjustment block (51) is arranged in the adjustment groove (42) and is adjusted and moved along the length direction of the adjustment groove (42).

2. The extended DNA collection and evidence collection device according to claim 1, characterized in that: An annular mounting seat (11) is arranged at both ends of the side of the handle (1), and a fixing rod (12) is transversely arranged on the side of the mounting seat (11) to fix the label printing box (2).

3. The extended DNA evidence collection device according to claim 1, characterized in that: The label printing box (2) is in an overall square structure, a touch screen (21) is arranged on one side of the label printing box (2), a protruding label storage box (22) is arranged on the other side of the label printing box (2), and a label outlet (23) is arranged on the side of the label storage box (22).

4. The extended DNA evidence collection device according to claim 1, characterized in that: An electric push rod is arranged inside the sleeve (3), and one end of the telescopic rod (31) is connected to the output end of the electric push rod; a rotating motor is embedded in the other end of the telescopic rod (31), and the rotating platform (41) is connected to the output end of the rotating motor.

5. The extended DNA evidence collection device according to claim 1, characterized in that: A screw rod (43) is arranged in the adjustment groove (42), and opposite thread structures are arranged on the screw rod (43), respectively corresponding to the adjustment blocks (51) of the two groups of clamping jaws (5), and the adjustment blocks (51) are provided with thread structures that mesh with the screw rod (43); the screw rod (43) is driven by a servo motor embedded in the adjustment plate (4).

6. The extended DNA collection and evidence collection device according to claim 1, characterized in that: The clamping jaw (5) is assembled from two vertical plates and an inclined plate, wherein one vertical plate is fixedly connected to the adjustment block (51), and the inclined plate is connected to the other vertical plate after being tilted inwards.

7. The extended DNA evidence collection device according to claim 1, characterized in that: A digital camera (44) and an LED lighting lamp (45) are arranged on the surface of the adjustment plate (4), and the digital camera (44) and the LED lighting lamp (45) are respectively located on both sides of the adjustment slot (42).

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