A smart evidence collection machine

Abstract

This invention discloses an intelligent evidence collection machine, comprising a body equipped with a camera, a card reader, and an evidence collection port. A support base is located below the body, and a support ring is fixedly connected to the support base. The bottom of the body is inserted into the support ring. Multiple springs are disposed within the support ring, with the top ends of the springs fixed to the bottom of the body and the bottom ends fixed to the support base. By incorporating springs between the body and the support base, during transportation of the body, if the transport vehicle travels on bumpy roads, the springs can undergo elastic deformation, thereby buffering and reducing the risk of collision between the body and the transport vehicle, and consequently reducing the risk of damage to the evidence collection machine.

Description

Technical Field

[0001] This invention relates to the field of evidence collection machines, and particularly to an intelligent evidence collection machine. Background Technology

[0002] Currently, with the development of science and technology, public security organs have introduced automatic document collection equipment to facilitate people in obtaining documents such as Hong Kong and Macao travel permits and passports.

[0003] The document retrieval machine in this technology typically consists of a main body equipped with a camera, a card reader, and a document retrieval slot. When a user wants to retrieve their document, they place their ID card on the card reader, and the camera then recognizes the user's facial information. Subsequently, the machine verifies the user's information. If the information is accurate, the document will extend through the retrieval slot, at which point the user can remove the document, thus completing the document retrieval process.

[0004] However, in the relevant technologies, evidence collection devices are usually placed directly inside the transport vehicle during transportation. If the transport vehicle travels on bumpy roads, there is a risk that the evidence collection device may be bumped or even damaged, which needs to be improved. Summary of the Invention

[0005] In view of the shortcomings of the existing technology, the purpose of this invention is to provide an intelligent evidence collection machine that can reduce the risk of bumps or damage during transportation.

[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution: an intelligent evidence collection machine, including a body, a camera, a card reader and an evidence collection port are provided on the body, a support base is provided at the bottom of the body, a support ring is fixedly connected to the support base, and the bottom of the body is inserted into the support ring. Multiple springs are provided in the support ring, the top end of the springs is fixed to the bottom of the body and the bottom end is fixed to the support base.

[0007] By adopting the above technical solution and installing springs between the machine body and the support base, the springs can elastically deform during transport of the machine body if the transport vehicle travels on bumpy roads. This cushions and reduces the risk of collisions between the machine body and the transport vehicle, thereby reducing the risk of injury or damage to the evidence collection machine. Furthermore, during use, the machine body is also cushioned and damped by vertical impacts, effectively protecting it.

[0008] The invention is further configured such that: an elastic damping ring is fixedly connected to the inner wall of the support ring along its circumferential direction, and the circumferential inner wall of the damping ring is in close contact with the circumferential side wall of the body.

[0009] By adopting the above technical solution and setting up a vibration damping ring, when the machine body is subjected to a horizontal impact, the vibration damping ring can undergo elastic deformation and absorb the impact force, thereby further improving the buffering and shock absorption capacity of the machine body and reducing the risk of damage to the evidence collection machine during transportation.

[0010] The invention is further configured such that: a dust cover is fitted on the body, the dust cover is made of flexible material, the bottom end of the dust cover is fixed to the support ring, and the top end is fixedly connected to an elastic tightening ring along its circumference; when the dust cover is pulled upward to extend and the tightening ring is higher than the top of the body, the tightening ring can contract under its own elastic force to tighten the top end of the dust cover and place the body inside the dust cover.

[0011] By adopting the above technical solution, when transporting the evidence collection device, pulling the retaining ring causes the dust cover to extend upwards, making the retaining ring higher than the top of the device body, and then releasing the retaining ring. At this time, the retaining ring contracts under its own elasticity, tightening the top end of the dust cover, thus placing the device body inside the dust cover and achieving dust protection. By using the dust cover to protect the device body, the risk of the device being scratched during transportation is reduced, and the risk of dust settling on the device surface is also reduced, thus achieving effective protection for the evidence collection device.

[0012] The invention is further configured such that: a support column is vertically fixedly connected to the center position of the top of the body, and an annular limiting groove is opened on the side wall of the support column along its circumference, and the retracting ring can be inserted into the limiting groove after it is contracted.

[0013] By adopting the above technical solution, when the gathering ring retracts, it can be locked into the limiting groove, which can not only improve the sealing effect of the top port of the dust cover, but also limit the gathering ring, thereby improving the protection effect of the machine body.

[0014] The invention is further configured such that: a storage groove is formed on the upper surface of the support ring along its circumference, and the dust cover can be folded and stored in the storage groove.

[0015] By adopting the above technical solution and setting up a storage slot, the dust cover can be folded and stored in the storage slot, improving the aesthetics of the evidence collection machine.

[0016] The invention is further configured such that: an annular positioning groove is provided on the inner wall of the storage slot near the body along its circumference, and the gathering ring can be inserted into the positioning groove.

[0017] By adopting the above technical solution and setting a positioning groove, when the dust cover is folded and stored in the storage groove, the retaining ring can retract and lock into the positioning groove, thereby reducing the risk of the retaining ring coming out of the storage groove and improving the storage stability of the dust cover.

[0018] The invention is further configured such that a plurality of flexible lifting rings are fixed to the top of the dust cover.

[0019] By adopting the above technical solution and setting up a lifting ring, it is possible for staff to quickly remove the dust cover and the gathering ring from the storage slot, and also to quickly unfold the dust cover, thereby improving operational convenience.

[0020] The present invention is further configured such that self-locking casters are provided at the four corners of the bottom of the support base.

[0021] By adopting the above technical solution, it is convenient for staff to quickly move and transport the evidence collection machine, thereby improving operational convenience.

[0022] The invention is further configured such that: a foldable dust cover is fitted onto the body, the bottom end of the dust cover is fixed to a support ring, and a gathering roller is provided in the middle of the support ring; a winding thread is connected to the gathering roller, the winding thread is connected to the dust cover, a rotating shaft is connected to the gathering roller, a rotating plate is connected to the rotating shaft, a drive rod is magnetically connected to the rotating plate, and a drive motor is connected to the drive rod to drive the drive rod to rotate; when the drive motor is energized, the drive rod is magnetically connected to the rotating plate, and the drive motor drives the rotating plate to rotate, causing the gathering roller to rotate and causing the dust cover to fold and be stored.

[0023] The invention is further configured as follows: a box is provided outside the drive motor, a sliding seat is smoothly slidably provided outside the box, a push plate is provided on one side of the sliding seat, a sealed space is formed between the push plate and the sliding seat, a suction cup and a disc column are respectively arranged opposite to each other inside the push plate and the sliding seat, an airbag is provided outside the sliding seat, and the airbag is connected to the sealed space; a second spring is provided between the suction cup and the disc column, and the rebound force of the second spring is less than the suction force between the suction cup and the disc column; when the airbag is squeezed, the gas inside the airbag enters the sealed space, so that the suction force is less than the sum of the rebound force of the second spring and the gas pressure for the suction cup and the disc column to separate, the push plate pushes the box to move, thereby causing the drive rod and the rotating plate to reciprocate instantaneously.

[0024] The invention is further configured such that: a pressing rod for squeezing the airbag is provided on one side of the airbag, the pressing rod is connected to a second gear, the first gear meshes with the second gear, the two second gears mesh together with a rack, the rack is fixedly connected to a sliding seat, a connecting seat is provided at the bottom of the sliding seat, a positioning rod is provided in the middle of the connecting seat, and a spring is provided on the positioning rod. When the drive motor is de-energized, the spring drives the connecting seat to slide on the positioning rod, causing the sliding seat to move away from the rotating plate and drive the rack to slide, thereby driving the second gear to rotate, and then driving the first gear to rotate, causing the squeezing rod to swing and squeeze the airbag.

[0025] The invention is further configured such that when the pressing rod is rotated to a position where it can contact the airbag, the airbag slides along the sliding seat to the position of the pressing rod, thereby causing the pressing rod to compress the airbag.

[0026] In summary, the present invention has the following beneficial effects:

[0027] 1. By installing a spring between the machine body and the support base, when the machine body is transported, if the transport vehicle travels on a bumpy road, the spring can undergo elastic deformation, thereby buffering and shock-absorbing the machine body, reducing the risk of collision between the machine body and the transport vehicle, and thus reducing the risk of the evidence collection machine being bumped or even damaged.

[0028] 2. By setting up a shock-absorbing ring, when the machine body is subjected to a horizontal impact, the shock-absorbing ring can undergo elastic deformation and absorb the impact force, thereby further improving the buffering and shock absorption capacity of the machine body and reducing the risk of damage to the evidence collection machine during transportation;

[0029] 3. By using a dust cover to shield and protect the machine body, the risk of the machine body being scratched during transportation is reduced, and the risk of dust falling on the surface of the machine body is also reduced, thereby achieving effective protection for the evidence collection machine.

[0030] 4. When the machine body needs to be transported, unplug the power cord to disconnect the drive motor. The rotating shaft will unwind as the dust cover pops out. Because the impact force when the dust cover pops out is significant, its frame can easily be damaged when it collides with the machine body. To address this issue, the aforementioned method uses a momentary collision between the drive rod and the rotating plate to slow down the unwinding process of the rotating plate, thus reducing the dust cover's pop-out speed. This protects the dust cover, extends its service life, and reduces the impact on the machine body. Attached Figure Description

[0031] Figure 1 This is a structural schematic diagram of Example 1;

[0032] Figure 2 This is the front view of Embodiment 1;

[0033] Figure 3 yes Figure 2 Enlarged view of region A in the middle;

[0034] Figure 4 This is a schematic diagram of the structure of Example 2;

[0035] Figure 5 This is a schematic diagram showing the connection relationship of the retracting rollers;

[0036] Figure 6 for Figure 5 Top view;

[0037] Figure 7 for Figure 4 Enlarged view of region B in the middle;

[0038] Figure 8This is a top view of Example 2.

[0039] Reference numerals: 1. Body; 2. Camera; 3. Card reader; 4. Evidence collection port; 5. Support base; 6. Support ring; 7. Vibration damping ring; 8. Spring; 9. Self-locking casters; 10. Dust cover; 11. Retracting ring; 12. Support column; 13. Limiting groove; 14. Storage groove; 15. Positioning groove; 16. Lifting ring; 17. Retracting roller; 19. Rotating shaft; 20. Rotating plate; 21. Drive rod; 22. Sliding seat; 23. Drive motor; 24. Box body; 25. Push plate; 26. Sealed space; 27. Airbag; 28. Pressing rod; 29. ​​Gear one; 30. Gear two; 31. Base; 32. Gear rack; 33. Connecting seat; 34. Positioning rod; 35. Spring one; 36. Suction cup; 37. Disc column; 38. Spring two. Detailed Implementation

[0040] The present invention will be further described in detail below with reference to the accompanying drawings.

[0041] Reference Figure 1 and Figure 2 A smart document retrieval machine includes a main body 1, which is equipped with a camera 2, a card reader 3, and a document retrieval port 4. When a user wants to retrieve their document, they place their ID card on the card reader 3, and then the camera 2 recognizes the user's facial information. Subsequently, the main body 1 verifies the user's information. If the information is accurate, the document will extend through the document retrieval port 4, at which point the user can retrieve the document, thus completing the smart document retrieval process.

[0042] Reference Figure 2 and Figure 3 A support base 5 is provided at the bottom of the body 1, and a support ring 6 is fixedly connected to the support base 5. The bottom of the body 1 is inserted into the support ring 6. An elastic damping ring 7 is fixedly connected to the inner wall of the support ring 6 along its circumferential direction. The circumferential inner wall of the damping ring 7 is tightly fitted with the circumferential side wall of the body 1. At the same time, multiple springs 8 are provided inside the support ring 6. The top end of the spring 8 is fixed to the bottom of the body 1, and the bottom end is fixed to the support base 5.

[0043] During the transportation of the evidence collection device, if the transport vehicle travels on a bumpy road, spring 8 can undergo elastic deformation, thereby providing vertical shock absorption for the device body 1. If the device body 1 is subjected to a horizontal impact, the shock-absorbing ring 7 can undergo elastic deformation and absorb the impact force, thus providing horizontal shock absorption for the device body 1. This design reduces the risk of the device body 1 colliding with the transport vehicle, thereby reducing the risk of injury or even damage to the evidence collection device.

[0044] Reference Figure 1The support base 5 is equipped with self-locking casters 9 at the four corners of the bottom to facilitate the quick handling and movement of the certificate collection machine by staff, thereby improving the ease of operation.

[0045] Reference Figure 2 and Figure 3 The body 1 is fitted with a dust cover 10, which is made of flexible material. The bottom end of the dust cover 10 is fixed to the support ring 6, and the top end is fixedly connected to an elastic gathering ring 11 along its circumference.

[0046] When transporting the evidence collection device, pulling the retaining ring 11 causes the dust cover 10 to extend upwards, making the retaining ring 11 higher than the top of the device body 1, and then releasing the retaining ring 11. At this time, the retaining ring 11 contracts under its own elastic force, so that the top port of the dust cover 10 is tightened, thereby placing the device body 1 inside the dust cover 10 to achieve shielding and protection of the dust cover 10.

[0047] Reference Figure 2 and Figure 3 A support column 12 is vertically fixed at the center of the top of the body 1. The side wall of the support column 12 is provided with an annular limiting groove 13 along its circumference. After the retracting ring 11 is retracted, it can be inserted into the limiting groove 13, which can not only improve the sealing effect of the top port of the dust cover 10, but also limit the retracting ring 11, thereby improving the protection effect of the body 1.

[0048] Reference Figure 2 and Figure 3 The upper surface of the support ring 6 is provided with a storage groove 14 along its circumference. The bottom end of the dust cover 10 is fixed to the bottom of the storage groove 14, and the dust cover 10 can be folded and stored in the storage groove 14 to achieve stable storage of the dust cover 10, thereby improving the aesthetics of the evidence collection machine.

[0049] Reference Figure 2 and Figure 3 The inner wall of the storage slot 14 near the body 1 is provided with an annular positioning groove 15 along its circumference. When the dust cover 10 is folded and stored in the storage slot 14, the retaining ring 11 can retract and be inserted into the positioning groove 15, thereby reducing the risk of the retaining ring 11 coming out of the storage slot 14 and improving the storage stability of the dust cover 10.

[0050] Reference Figure 2 and Figure 3 The top of the dust cover 10 is fixed with multiple flexible lifting rings 16, which not only makes it easy for staff to quickly remove the dust cover 10 and the gathering ring 11 from the storage slot 14, but also makes it easy for staff to quickly unfold the dust cover 10, thereby improving the ease of operation.

[0051] Example 2:

[0052] Reference Figure 3 , Figure 4 and Figure 5 The difference from Embodiment 1 is that the gathering ring 11 is replaced by a gathering roller 17, which is positioned in the center of the positioning groove 15, corresponding to the position of the body 1. A winding thread is wound around the gathering roller 17. The winding thread is connected to the dust cover 10. When the dust cover 10 is unwound from the storage groove 14, it drives the winding thread to unwind, thereby causing the gathering roller 17 to continuously unwind. When it is necessary to retract the dust cover 10 into the storage groove 14, it can be wound up using the gathering roller 17, and the dust cover 10 is pulled back into the storage groove 14 by winding the thread.

[0053] The dust cover 10 mentioned above can be a flexible folding dust cover 10, similar to a fan, with multiple evenly arranged rods inside the cover so that they can be stacked on top of each other during recycling.

[0054] Reference Figure 5 and Figure 6 The winding roller 17 is connected to a rotating shaft 19, and an iron rotating plate 20 is provided on one side of the rotating shaft 19. A drive rod 21 for driving the rotating plate 20 to rotate is abutted on one side of the rotating plate 20. A sliding seat 22 is slidably connected to the drive rod 21. A drive motor 23 is provided inside the sliding seat 22. The drive motor 23 is connected to the drive rod 21 and drives the drive rod 21 to rotate. A soft electromagnet is provided inside the drive rod 21 and is connected to the power supply of the drive motor 23. When the drive motor 23 is powered by an external power source, the soft electromagnet is energized and attracts and fixes itself to the rotating plate 20. At this time, the rotation of the drive motor 23 can drive the winding roller 17 to rotate and wind up the yarn.

[0055] Reference Figure 6 and Figure 7 The drive motor 23 is surrounded by a housing 24, and a push plate 25 abuts against one side of the housing 24. A sealed space 26 is provided between the push plate 25 and the sliding seat 22. The sealed space 26 is filled with inert gas. Airbags 27 are respectively provided on both sides of the sliding seat 22. The airbags 27 are connected to the sliding seat 22.

[0056] Reference Figure 6 and Figure 7A pressing rod 28 for compressing the airbag 27 is provided on one side. The pressing rod 28 is connected to a gear 29, which meshes with a gear 30. Both gears 29 and 30 are bearing-connected to a base 31. Two gears 30 on both sides mesh together with a rack 32. The rack 32 is fixedly connected to a sliding seat 22. A connecting seat 33 is provided at the bottom of the sliding seat 22. A positioning rod 34 is slidably mounted in the middle of the connecting seat 33. One side of the positioning rod 34 is connected to the base 31. A spring 35 is connected to the positioning rod 34. The spring 35 is initially in a stretched state. When the drive motor 23 is de-energized, the electromagnet is no longer powered. At this time, under the action of the spring 35, the connecting seat 33 slides on the positioning rod 34, thereby causing the sliding seat 22 to move away from the rotating plate 20. The rack 32 drives the second gear 30 to rotate, which in turn drives the first gear 29 to rotate, ultimately causing the pressing rod 28 to squeeze the airbag 27, thereby causing the gas in the airbag 27 to instantly enter the sealed space 26, increasing the pressure in the sealed space 26.

[0057] As mentioned above, it is important to emphasize that when the pressing lever 28 is rotated to a position where it can contact the airbag 27, the airbag 27 slides along the sliding seat 22 to the position of the pressing lever 28, thereby causing the pressing lever 28 to compress the airbag 27. Furthermore, the area of ​​the point where the pressing lever 28 contacts the airbag 27 can be set larger than the area of ​​the airbag 27, ensuring that the pressing lever 28 can sufficiently compress the airbag 27, thereby forcing the gas in the airbag 27 into the sealed space 26.

[0058] Reference Figure 6 , Figure 7 and Figure 8 A suction cup 36 and a column 37 are provided in the sealed space 26. The suction cup 36 and the column 37 are respectively located inside the push plate 25 and the sliding seat 22. In the initial state, the suction cup 36 and the column 37 are in contact, allowing the suction cup 36 to adhere to the column 37. A spring 38 is provided between the suction cup 36 and the column 37. The rebound force of the spring 38 is limited to be less than the suction force between the suction cup 36 and the column 37, thereby allowing the box 24 to slide stably inside the sliding seat 22. The inside of the sliding seat 22 is designed as a smooth surface with a low coefficient of friction. When the gas in the airbag 27 is instantaneously squeezed into the sealed space 26, the air pressure in the sealed space 26 increases instantaneously. At this time, the push plate 25 is subjected to gas pressure, which makes the suction force less than the sum of the rebound force of the spring 28 and the gas pressure, thereby causing the suction cup 36 to separate from the disc column 37. The push plate 25 slides and pushes the drive motor 23 to move, causing the drive rod 21 to collide instantaneously with the rotating plate 20.

[0059] When the drive motor 23 is de-energized, the rotating shaft 19 unwinds as the dust cover 10 pops out. Because the impact force when the dust cover 10 pops out is relatively large, its frame is prone to damage when it collides with the machine body 1. To solve this problem, the aforementioned instantaneous collision between the drive rod 21 and the rotating plate 20 slows down the unwinding process of the rotating plate 20, reducing the pop-out speed of the dust cover 10, thus protecting the dust cover 10, extending its service life, and reducing the impact force on the machine body 1.

[0060] Work process:

[0061] 1. In the initial state, the drive motor 23 is energized, causing a magnetic connection between the rotating plate 20 and the drive rod 21. The dust cover 10 is located in the storage slot 14;

[0062] 2. When it is necessary to move the machine body 1 to another location after power failure, especially to a location that is far away, the power supply of the machine body 1 is disconnected by unplugging the power supply of the machine body 1. The drive motor 23 is connected to the power supply of the machine body 1, so that the drive motor 23 is disconnected at the same time. At this time, there is no magnetic attraction between the rotating plate 20 and the drive rod 21.

[0063] 3. Under the action of spring 35, the sliding seat 22 slides away from the rotating plate 20, thereby causing the drive rod 21 to move away from the rotating plate 20. At this time, under the elastic force of the dust cover 10, the dust cover 10 pops out and wraps around the machine body 1 to prevent dust during the conveying process from entering the machine body 1 and causing problems with the internal parts of the machine body 1;

[0064] 4. During the sliding process of the sliding seat 22, the sliding seat 22 drives the rack 32 to slide, thereby driving the gear 29 to rotate, and finally driving the extrusion rod to extrude the airbag 27. When the airbag 27 is extruded, the gas in the airbag 27 enters the sealed space 26. Then, the air pressure in the sealed space 26 increases, which, together with the spring 38, overcomes the suction force between the suction cup 36 and the column 37, thereby causing the box 24 to be pushed outward by the push plate 25.

[0065] 5. When the box 24 moves outward, the drive rod 21 abuts against the collision rotating plate 20, thereby slowing down the pop-out speed of the dust cover 10, reducing collisions, and extending the service life of the dust cover 10.

[0066] 6. Due to the setting of spring 238, the drive rod 21 repeatedly collides with the rotating plate 20, thereby delaying the ejection of the dust cover 10 multiple times;

[0067] 7. After being transported to the designated location, the power is plugged back in. Since the sliding seat 22 has a small sliding range, when the power is turned on, the drive rod 21 is fixed to the rotating disk under the magnetic attraction. At this time, the drive motor 23 rotates, causing the winding roller 17 to rewind and the dust cover 10 to return to the storage slot 14.

[0068] 8. During the process of returning to the storage tank 14, the airbag 27 is no longer compressed, allowing the gas in the airbag 27 to be refilled. Under the action of the second spring 38, the push plate 25 moves in the opposite direction. Finally, the retraction roller 17 can be manually pressed to press the drive rod 21, causing the suction cup 36 and the disc column 37 in the sealed space 26 to re-adhere.

[0069] The specific embodiments are merely illustrative of the present invention and are not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to these embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An intelligent forensic machine comprising a machine body (1), a camera (2), a card reader (3) and a forensic port (4) are arranged on the machine body (1), characterized in that: The lower part of the machine body (1) is provided with a supporting seat (5), the supporting seat (5) is fixedly connected with a supporting ring (6), and the bottom of the machine body (1) is clamped into the supporting ring (6), a plurality of springs (8) are arranged in the supporting ring (6), the top end of the spring (8) is fixed to the bottom of the machine body (1), and the bottom end is fixed to the supporting seat (5); The machine body (1) is provided with a foldable dust cover (10), the bottom end of the dust cover (10) is fixed to the supporting ring (6), and the middle part of the supporting ring (6) is provided with a collection roller (17); the collection roller (17) is connected with a winding line, the winding line is connected with the dust cover (10), the collection roller (17) is connected with a rotating shaft (19), the rotating shaft (19) is connected with a rotating plate (20), the rotating plate (20) is magnetically connected with a driving rod (21), and the driving rod (21) is connected with a driving motor (23) for driving the driving rod (21) to rotate; when the driving motor (23) is in the energized state, the driving rod (21) and the rotating plate (20) are magnetically connected, and the rotating plate (20) is driven to rotate by the driving motor (23) to make the collection roller (17) rotate and drive the dust cover (10) to be folded and stored; The driving motor (23) is provided with a box body (24), the box body (24) is provided with a sliding seat (22) outside, one side of the sliding seat (22) is provided with a pushing plate (25), a closed space (26) is formed between the pushing plate (25) and the sliding seat (22), and the pushing plate (25) and the sliding seat (22) are respectively provided with a suction disc (36) and a disc column (37) opposite to each other, the sliding seat (22) is provided with an air bag (27) outside, and the air bag (27) is communicated with the closed space (26); a spring (38) is arranged between the suction disc (36) and the disc column (37), the rebound force of the spring (38) is smaller than the suction force between the suction disc (36) and the disc column (37); when the air bag (27) is extruded, the gas in the air bag (27) enters the closed space (26), so that the suction force is smaller than the sum of the rebound force of the spring (38) and the gas pressure for separating the suction disc (36) and the disc column (37), the pushing plate (25) pushes the box body (24) to move, so that the driving rod (21) and the rotating plate (20) are instantaneously reciprocatingly collided; The air bag (27) is provided with a pressing rod (28) for extruding the air bag (27) on one side, the pressing rod (28) is connected with a gear one (29), the gear one (29) is engaged with a gear two (30), two gear twos (30) are jointly engaged with a rack (32), the rack (32) is fixedly connected with a sliding seat (22), the sliding seat (22) is provided with a connecting seat (33) at the bottom, the connecting seat (33) is provided with a positioning rod (34) at the middle, the positioning rod (34) is provided with a spring one (35), when the driving motor (23) is powered off, the spring one (35) drives the connecting seat (33) to slide on the positioning rod (34), so that the sliding seat (22) is away from the rotating plate (20) and drives the rack (32) to slide, so as to drive the gear two (30) to rotate, and then drive the gear one (29) to rotate, and the extruding rod swings to extrude the air bag (27).

2. The intelligent forensic machine of claim 1, wherein: The inner wall of the support ring (6) is fixedly connected with an elastic damping ring (7) along the circumferential direction thereof, and the circumferential inner wall of the damping ring (7) is tightly attached to the circumferential side wall of the machine body (1).

3. The intelligent forensic machine of claim 1, wherein: When the pressing rod (28) rotates to the position where it can contact the air bag (27), the air bag (27) slides to the position of the pressing rod (28) along with the sliding seat (22), so that the pressing rod (28) extrudes the air bag (27).

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