CN214529011U

CN214529011U - Criminal science and technology is with portable DNA trace material evidence extraction element

Info

Publication number: CN214529011U
Application number: CN202120431748.2U
Authority: CN
Inventors: 李洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-10-29
Anticipated expiration: 2031-02-25

Abstract

The utility model discloses a criminal science and technology is with portable DNA trace material evidence extraction element, including first casing, the inner chamber of first casing is provided with the second casing, the left side of second casing is run through to the left side of first casing, the constant head tank has all been seted up to the top and the bottom of second casing, the inner chamber of constant head tank is provided with the locating lever. The utility model discloses a first casing, the second casing, the constant head tank, the locating lever, the control box, the rack board, the gear, the apparatus further comprises a rotating shaft, the carousel, the lock pole, the movable plate, the handle, expanding spring, collect the bag, the sealing washer, the limiting plate, the setting of sliding sleeve and slide bar, the advantage of conveniently carrying has been reached, the problem of the inconvenient problem of carrying of current DNA trace material evidence extraction element has been solved, when people are using DNA trace material evidence extraction element, can stretch out and draw back the regulation to it, can reduce its area occupied, and DNA trace material evidence extraction element can not impaired when carrying.

Description

Criminal science and technology is with portable DNA trace material evidence extraction element

Technical Field

The utility model relates to a vestige appraisal technical field specifically is a criminal science and technology is with portable DNA trace material evidence extraction element.

Background

In the criminal case investigation process, need carry out reconnaissance to the crime scene, will carry out trace DNA at the scene in addition and draw work, such as trace blood stain, fingerprint, body fluid, saliva to take back the laboratory and detect and analyze, help the personnel of handling a case to solve a case work, when drawing the material evidence, can use the shovel utensil to draw the trace material evidence of adhering to on the wall.

Present DNA trace material evidence extraction element, inconvenient carrying when people are using DNA trace material evidence extraction element, can not stretch out and draw back the regulation to it, can't reduce its area occupied, and DNA trace material evidence extraction element is impaired easily when carrying, has reduced the device's practicality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a criminal science and technology is with portable DNA trace material evidence extraction element possesses the advantage of conveniently carrying, has solved the inconvenient problem of carrying of current DNA trace material evidence extraction element.

In order to achieve the above object, the utility model provides a following technical scheme: a portable DNA trace material evidence extraction device for criminal science and technology comprises a first shell, wherein a second shell is arranged in an inner cavity of the first shell, the left side of the second shell penetrates through the left side of the first shell, positioning grooves are formed in the top and the bottom of the second shell, positioning rods are arranged in the inner cavities of the positioning grooves, an operation box is fixedly connected to the left side of the top of the first shell and the left side of the bottom of the first shell, the outer sides of the positioning rods penetrate through the inner cavity of the operation box and are fixedly connected with a rack plate, a gear is meshed with the right side of the rack plate, a rotating shaft is sleeved at the axis of the gear, the front of the rotating shaft penetrates through the front of the operation box and is fixedly connected with a turntable, a locking rod is arranged on the right side of the surface of the gear, a movable plate is sleeved on the surface of the locking rod, and a handle is fixedly connected with the right side of the locking rod, the surface cover of locking pole is equipped with expanding spring, expanding spring's left side and the right side fixed connection of movable plate, expanding spring's right side and the left side fixed connection of control box inner chamber, the collection bag has been cup jointed on the right side of first housing face.

Preferably, the surface of the positioning rod is sleeved with a sealing ring, and the outer side of the sealing ring is fixedly connected with the top and the bottom of the inner cavity of the first shell.

Preferably, a limiting plate is fixedly connected to the right side of the top of the inner cavity of the first shell, and the bottom of the limiting plate is flush with the top of the second shell in the horizontal direction.

Preferably, the number of the positioning grooves is four, and the four positioning grooves are distributed on two sides of the top and two sides of the bottom of the second shell.

Preferably, the back of the rotating shaft is sleeved with a bearing seat, and the back of the bearing seat is fixedly connected with the back of the inner cavity of the operation box.

Preferably, the top and the bottom of the movable plate are both fixedly connected with sliding sleeves, the axis of the sliding sleeves is sleeved with sliding rods, and the right sides of the sliding rods are fixedly connected with the right side of the inner cavity of the operation box.

Preferably, first chutes are formed in two sides of the inner cavity of the first shell, the inner cavity of each first chute is connected with a first sliding block in a sliding mode, the inner side of each first sliding block is fixedly connected with two sides of the second shell, second chutes are formed in the left side of the inner cavity of the operation box, the inner cavities of the second chutes are connected with second sliding blocks in a sliding mode, and the right sides of the second sliding blocks are fixedly connected with the left side of the rack plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first casing, the second casing, the constant head tank, the locating lever, the control box, the rack board, the gear, the apparatus further comprises a rotating shaft, the carousel, the lock pole, the movable plate, the handle, expanding spring, collect the bag, the sealing washer, the limiting plate, the setting of sliding sleeve and slide bar, the advantage of conveniently carrying has been reached, the problem of the inconvenient problem of carrying of current DNA trace material evidence extraction element has been solved, when people are using DNA trace material evidence extraction element, can stretch out and draw back the regulation to it, can reduce its area occupied, and DNA trace material evidence extraction element can not be impaired when carrying, the device's practicality has been improved.

2. The utility model discloses a set up constant head tank and locating lever, play the effect of being convenient for to fix when using the second casing, the problem of the second casing be not convenient for fix when using is solved, through setting up the lock pole, the movable plate, expanding spring, the sliding sleeve, slide bar and handle, the counter gear has played the effect of being convenient for to lock fixed when using, the problem of the gear be not convenient for lock fixed when using has been solved, through setting up the sealing washer, the effect of being convenient for leak protection has been played to the second casing when using, the problem that the material evidence can leak down along with the junction clearance of locating lever and second casing when using has been solved to the second casing, through setting up slide bar and sliding sleeve, play the stable effect of removal when removing to the movable plate, the problem of moving offset appears when removing to the movable plate has been solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right sectional view of the structure of the operation box of the present invention;

FIG. 3 is a sectional view of the structure of the operation box of the present invention;

fig. 4 is a left side sectional view of the first shell and the second shell structure of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. positioning a groove; 4. positioning a rod; 5. an operation box; 6. a rack plate; 7. a gear; 8. a rotating shaft; 9. a turntable; 10. a lock lever; 11. moving the plate; 12. a handle; 13. a tension spring; 14. a collection bag; 15. a seal ring; 16. a limiting plate; 17. a sliding sleeve; 18. a slide bar.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a portable DNA micro material evidence extraction device for criminal science and technology comprises a first shell 1, a second shell 2 is arranged in an inner cavity of the first shell 1, the left side of the second shell 2 penetrates to the left side of the first shell 1, positioning slots 3 are respectively arranged at the top and the bottom of the second shell 2, positioning rods 4 are arranged in the inner cavities of the positioning slots 3, an operation box 5 is fixedly connected to the left side of the top and the left side of the bottom of the first shell 1, the outer side of each positioning rod 4 penetrates to the inner cavity of the operation box 5 and is fixedly connected with a rack plate 6, a gear 7 is meshed with the right side of the rack plate 6, a rotating shaft 8 is sleeved at the axis of the gear 7, the front of the rotating shaft 8 penetrates to the front of the operation box 5 and is fixedly connected with a turntable 9, a locking rod 10 is arranged on the right side of the surface of the gear 7, a movable plate 11 is sleeved on the surface of the locking rod 10, a handle 12 is fixedly connected with the right side of the locking rod 10, the surface of the locking rod 10 is sleeved with an expansion spring 13, the left side of the expansion spring 13 is fixedly connected with the right side of the moving plate 11, the right side of the expansion spring 13 is fixedly connected with the left side of the inner cavity of the operation box 5, and the right side of the surface of the first shell 1 is sleeved with a collection bag 14;

the surface of the positioning rod 4 is sleeved with a sealing ring 15, the outer side of the sealing ring 15 is fixedly connected with the top and the bottom of the inner cavity of the first shell 1, and the positioning groove 3 and the positioning rod 4 are arranged, so that the second shell 2 is convenient to fix in use, and the problem that the second shell 2 is inconvenient to fix in use is solved;

a limiting plate 16 is fixedly connected to the right side of the top of the inner cavity of the first shell 1, the bottom of the limiting plate 16 is flush with the top of the second shell 2 in the horizontal direction, and the gear 7 is convenient to lock and fix when in use by arranging the locking rod 10, the moving plate 11, the telescopic spring 13, the sliding sleeve 17, the sliding rod 18 and the handle 12, so that the problem that the gear 7 is inconvenient to lock and fix when in use is solved;

the number of the positioning grooves 3 is four, the four positioning grooves 3 are distributed on two sides of the top and two sides of the bottom of the second shell 2, and the sealing rings 15 are arranged, so that the second shell 2 is convenient to leak when in use, and the problem that material evidence leaks along with gaps at the connecting part of the positioning rods 4 and the second shell 2 when the second shell 2 is in use is solved;

the back of the rotating shaft 8 is sleeved with a bearing seat, the back of the bearing seat is fixedly connected with the back of the inner cavity of the operation box 5, and the sliding rod 18 and the sliding sleeve 17 are arranged, so that the moving plate 11 is stably moved when moving, and the problem of movement deviation of the moving plate 11 when moving is solved;

the top and the bottom of the moving plate 11 are both fixedly connected with sliding sleeves 17, the axis of the sliding sleeve 17 is sleeved with a sliding rod 18, and the right side of the sliding rod 18 is fixedly connected with the right side of the inner cavity of the operation box 5;

the two sides of the inner cavity of the first shell 1 are both provided with first chutes, the inner cavity of the first chute is connected with a first slider in a sliding way, the inner side of the first slider is fixedly connected with the two sides of the second shell 2, the left side of the inner cavity of the operation box 5 is provided with a second chute, the inner cavity of the second chute is connected with a second slider in a sliding way, the right side of the second slider is fixedly connected with the left side of the rack plate 6, the advantages of convenient carrying are achieved through the arrangement of the first shell 1, the second shell 2, the positioning grooves 3, the positioning rods 4, the operation box 5, the rack plate 6, the gear 7, the rotating shaft 8, the rotary table 9, the locking rods 10, the movable plate 11, the handle 12, the telescopic springs 13, the collecting bag 14, the sealing ring 15, the limiting plate 16, the sliding sleeve 17 and the sliding rods 18, the problem that the existing DNA trace material evidence extraction device is inconvenient to carry is solved, when people use the DNA trace material evidence extraction device, can stretch out and draw back its regulation, can reduce its area occupied, and DNA trace material evidence extraction element can not impaired when carrying, has improved the device's practicality.

When the device is used, when people need to carry the DNA trace physical evidence, firstly, the handle 12 is pulled to drive the locking rod 10 to move, the locking rod 10 drives the moving plate 11 to move, the moving plate 11 extrudes the telescopic spring 13, meanwhile, the moving plate 11 drives the sliding sleeve 17 to slide on the sliding rod 18 until the sliding sleeve is separated from the gear 7, then the rotary table 9 is rotated, the rotary table 9 drives the rotary shaft 8 to rotate, the rotary shaft 8 drives the gear 7 to rotate through the bearing seat, the gear 7 drives the rack plate 6 to move, the rack plate 6 drives the second sliding block to slide in the second sliding groove, synchronously, the rack plate 6 drives the positioning rod 4 to move until the positioning rod 4 is separated from the positioning groove 3, then the second shell 2 is stretched to a specified position in the first shell 1, finally, the rotary table 9 is rotated to move the positioning rod 4 into the positioning groove 3, the occupied area of the second shell 2 is reduced, meanwhile, the second shell 2 is protected, and the damage caused by the collision between the left side of the second shell 2 and an external object is prevented, when people need use the trace material evidence of DNA to obtain evidence, through the above-mentioned step, make the tensile assigned position of second casing 2, and move locating lever 4 to the constant head tank 3 in, make it keep stable, then remove second casing 2 and shovel down the trace material evidence of DNA that will adhere to on the wall, the trace material evidence of DNA falls into through first casing 1 and collects in the bag 14, the advantage of conveniently carrying has been reached, the problem of the inconvenient problem of carrying of current trace material evidence extraction element of DNA has been solved, when people are using trace material evidence extraction element of DNA, can stretch out and draw back the regulation to it, can reduce its area occupied, and trace material evidence extraction element of DNA can not be impaired when carrying, the practicality of the device has been improved.

The standard parts used in this application document all can be purchased from the market, and can be customized according to the record of description and drawings, the concrete connection mode of each part all adopts conventional means such as mature bolt, rivet, welding among the prior art, machinery, part and equipment all adopt conventional model among the prior art, the control mode is automatic control through the controller, the control circuit of controller can realize through technical staff's simple programming in this field, belong to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail, and the peripheral controller that mentions in the description can play the control role for the electrical components that this article mention, and this peripheral controller is conventional known equipment.

It should be noted that, in this document, 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.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a criminal science and technology is with portable DNA trace material evidence extraction element, includes first casing (1), its characterized in that: the inner cavity of the first shell (1) is provided with a second shell (2), the left side of the second shell (2) penetrates through the left side of the first shell (1), the top and the bottom of the second shell (2) are respectively provided with a positioning groove (3), the inner cavity of each positioning groove (3) is provided with a positioning rod (4), the left side of the top and the left side of the bottom of the first shell (1) are respectively and fixedly connected with an operation box (5), the outer side of each positioning rod (4) penetrates through the inner cavity of the operation box (5) and is fixedly connected with a rack plate (6), the right side of each rack plate (6) is meshed with a gear (7), the axis of each gear (7) is sleeved with a rotating shaft (8), the front of each rotating shaft (8) penetrates through the front of the operation box (5) and is fixedly connected with a turntable (9), and the right side of the surface of each gear (7) is provided with a locking rod (10), moving plate (11) have been cup jointed on the surface of lock pole (10), the right side of lock pole (10) runs through right side and fixedly connected with handle (12) to control box (5), the surface cover of lock pole (10) is equipped with expanding spring (13), the left side of expanding spring (13) and the right side fixed connection of moving plate (11), the left side fixed connection of the right side of expanding spring (13) and control box (5) inner chamber, collection bag (14) have been cup jointed on the right side on first casing (1) surface.

2. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: the surface of the positioning rod (4) is sleeved with a sealing ring (15), and the outer side of the sealing ring (15) is fixedly connected with the top and the bottom of the inner cavity of the first shell (1).

3. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: the right side fixedly connected with limiting plate (16) at first casing (1) inner chamber top, the bottom of limiting plate (16) and the top horizontal direction parallel and level of second casing (2).

4. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: the number of the positioning grooves (3) is four, and the four positioning grooves (3) are distributed on two sides of the top and two sides of the bottom of the second shell (2).

5. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: the back of the rotating shaft (8) is sleeved with a bearing seat, and the back of the bearing seat is fixedly connected with the back of the inner cavity of the operation box (5).

6. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: the top and the bottom of the movable plate (11) are both fixedly connected with sliding sleeves (17), sliding rods (18) are sleeved at the axes of the sliding sleeves (17), and the right sides of the sliding rods (18) are fixedly connected with the right side of the inner cavity of the operation box (5).

7. The portable DNA micro material evidence extraction device for criminal science and technology according to claim 1, characterized in that: first spout has all been seted up to the both sides of first casing (1) inner chamber, and the inner chamber sliding connection of first spout has first slider, and the inboard of first slider and the both sides fixed connection of second casing (2), the second spout has been seted up in the left side of control box (5) inner chamber, and the inner chamber sliding connection of second spout has the second slider, and the right side of second slider and the left side fixed connection of rack plate (6).