Anti-falling mechanism for biological material evidence discovering instrument

Abstract

The utility model relates to the technical field of physical evidence discovery instrument drop resistance, and discloses a drop-resistant mechanism for a biological physical evidence discovery instrument, the outer wall of a protection plate is fixedly connected with a protection sleeve, the protection plate is communicated with the protection sleeve, the outer wall of the bottom of the protection plate is fixedly connected with a fixed clamping plate, and the outer wall of the top of the protection plate is provided with a movable clamping plate; a clamping mechanism for driving the movable clamping plate to move is installed on the outer wall of the protection plate, the clamping mechanism comprises a threaded rod rotationally connected to the inner wall of the top of the protection plate, a threaded ring is arranged on the outer wall of the movable clamping plate, the top end of the threaded rod penetrates through the movable clamping plate and is in threaded connection with the threaded ring, and a rotary knob is fixedly connected to the top end of the threaded rod. And through the arranged clamping mechanism, the anti-falling mechanism can be tightly connected with each component of the discovering instrument, the disassembly is convenient, and a user can conveniently install and maintain the anti-falling mechanism.

Description

Technical Field

[0001] The present application relates to the technical field of anti-falling of physical evidence discovery instruments, and in particular to an anti-falling mechanism for biological evidence discovery instruments. Background Art

[0002] With the continuous development of science and technology, biological evidence detection devices are increasingly used in criminal investigation, forensic identification and other fields. However, in actual use, due to the complex and changing operating environment, there is a high risk of accidental device drops, which can cause damage to the device or even data loss, seriously affecting work efficiency and the progress of case detection.

[0003] Currently, most biological evidence detection devices on the market focus on improving detection capabilities, while offering relatively little protection. While traditional protective measures such as shock pads and protective cases can mitigate the impact of a drop to a certain extent, they often suffer from complex structures, difficult installation, and limited protective effectiveness. Therefore, a drop protection mechanism for a biological evidence detection device was proposed to address these issues. Utility Model Content

[0004] In order to solve the problem that traditional protective measures such as shock-absorbing pads and protective cases can reduce the impact force during falling to a certain extent, but often have complex structures, inconvenient installation and limited protective effects, the present application provides an anti-fall mechanism for a biological evidence discovery instrument.

[0005] The present application provides an anti-fall mechanism for a biological evidence discovery instrument that adopts the following technical solution:

[0006] A drop prevention mechanism for a biological evidence discovery instrument includes a protective plate, a protective cover fixedly connected to the outer wall of the protective plate, the protective plate communicating with the protective cover, a fixed clamping plate fixedly connected to the bottom outer wall of the protective plate, a movable clamping plate mounted on the top outer wall of the protective plate, and a clamping mechanism mounted on the outer wall of the protective plate for driving the movable clamping plate to move;

[0007] The clamping mechanism includes a threaded rod rotatably connected to the inner wall of the top of the protective plate, the outer wall of the movable clamping plate is provided with a threaded ring, the top end of the threaded rod passes through the movable clamping plate and is threadedly connected to the threaded ring, and the top end of the threaded rod is fixedly connected to a knob;

[0008] The outer walls of the movable clamping plate and the fixed clamping plate opposite to each other are both provided with buffer pads, and the inner wall of the protective sleeve is bonded with a sponge sleeve.

[0009] Preferably, the protective plate is located on the outer wall where the protective sleeve is located and is fixedly connected to two connecting pieces, the inner walls of the two connecting pieces are provided with hanging ropes, and the ends of the two hanging ropes away from the connecting pieces are fixedly connected to protective belts.

[0010] Preferably, two limiting grooves are provided on the top outer wall of the protective plate, and the bottom outer wall of the movable clamping plate is fixedly connected to a limiting rod, and the limiting rod is movably connected to the inside of the limiting grooves.

[0011] Preferably, the bottom ends of the two limiting rods are fixedly connected with movable blocks, the movable blocks are slidably connected to the inner wall of the limiting groove, and the threaded rod is located on the two limiting rods.

[0012] Preferably, one end of the threaded rod located inside the protective plate is fixedly connected to a rotating block, and the rotating block is rotatably connected to the inside of the protective plate.

[0013] Preferably, handles are fixedly connected to the outer walls on both sides of the protective plate.

[0014] In summary, this application has the following beneficial technical effects:

[0015] 1. The clamping mechanism is designed to tightly connect the anti-fall mechanism to the components of the detector and facilitate disassembly, making it easy for users to install and maintain.

[0016] 2. Through the cooperation of the protective plate, buffer pad, protective cover, sponge cover, hanging rope and protective belt, the impact force when the biological evidence detection instrument falls is effectively reduced, and the main body of the device is protected from damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall schematic diagram of an embodiment of the application;

[0018] Figure 2 It is a three-dimensional schematic diagram of an embodiment of the application;

[0019] Figure 3 It is a partial cross-sectional view of an embodiment of the application.

[0020] Explanation of the accompanying reference numerals: 1. Protective plate; 2. Protective cover; 3. Fixed clamp; 4. Movable clamp; 5. Buffer pad; 6. Threaded rod; 7. Threaded ring; 8. Knob; 9. Sponge cover; 10. Connector; 11. Hanging rope; 12. Protective belt; 13. Handle; 14. Limiting groove; 15. Limiting rod; 16. Movable block; 17. Rotating block. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-3 This application is described in further detail.

[0022] The embodiment of the present application discloses an anti-fall mechanism for a biological evidence discovery instrument. Figure 1-3A fall prevention mechanism for a biological evidence discovery instrument includes a protective plate 1, a protective cover 2 is fixedly connected to the outer wall of the protective plate 1, the protective plate 1 is communicated with the protective cover 2, a fixed clamping plate 3 is fixedly connected to the bottom outer wall of the protective plate 1, a movable clamping plate 4 is installed on the top outer wall of the protective plate 1, and a clamping mechanism for driving the movable clamping plate 4 to move is installed on the outer wall of the protective plate 1;

[0023] The clamping mechanism includes a threaded rod 6 rotatably connected to the inner wall of the top of the protective plate 1, a threaded ring 7 is provided on the outer wall of the movable clamping plate 4, the top end of the threaded rod 6 passes through the movable clamping plate 4 and is threadedly connected to the threaded ring 7, and the top end of the threaded rod 6 is fixedly connected to a knob 8;

[0024] The outer walls of the movable card plate 4 and the fixed card plate 3 are both provided with buffer pads 5, and the inner wall of the protective cover 2 is bonded with a sponge cover 9. The buffer pads 5 and the sponge cover 9 can play a buffering role and can reduce the impact force generated when the device falls.

[0025] The protective plate 1 is located on the outer wall where the protective cover 2 is located and is fixedly connected to two connecting parts 10. The inner walls of the two connecting parts 10 are provided with hanging ropes 11. The ends of the two hanging ropes 11 away from the connecting parts 10 are fixedly connected to guard belts 12. The guard belts 12 can increase the contact area with the user's neck, thereby reducing the pressure of the hanging rope 11 on the neck, reducing the marks on the neck caused by the hanging rope 11, and improving the user's comfort.

[0026] Two limit grooves 14 are provided on the top outer wall of the protective plate 1, and the bottom outer wall of the movable clamping plate 4 is fixedly connected with a limit rod 15, and the limit rod 15 is movably connected to the inside of the limit groove 14. When the movable clamping plate 4 is lifted or moved, it drives the limit rod 15 to move up and down in the limit groove 14, which plays a guiding and limiting role for the movable clamping plate 4, so that the movable clamping plate 4 can always be lifted or lowered linearly and stably, and prevent the movable clamping plate 4 from being rotated by the rotation of the threaded rod 6.

[0027] The bottom ends of the two limit rods 15 are fixedly connected with a movable block 16, which is slidably connected to the inner wall of the limit groove 14. The threaded rod 6 is located on the two limit rods 15. When the movable block 16 slides inside the limit groove 14, it can limit and prevent the limit rod 15 from detaching from the limit groove 14.

[0028] One end of the threaded rod 6 located inside the protective plate 1 is fixedly connected to a rotating block 17, and the rotating block 17 is rotatably connected to the inside of the protective plate 1. When the rotating block 17 rotates inside the protective plate 1, it can limit the threaded rod 6, so that the threaded rod 6 always rotates stably on the inner wall of the protective plate 1.

[0029] The outer walls on both sides of the protective plate 1 are fixedly connected with handles 13, and the handles 13 can be held by hand to facilitate lifting the anti-fall mechanism and the device body.

[0030] The implementation principle of the anti-fall mechanism for a biological evidence discovery instrument in the embodiment of the present application is as follows: the protective sleeve 2 is set on the outside of the discovery instrument lens, and the protective plate 1 is attached to the back of the discovery instrument, so that the protective sleeve 2 cooperates with the protective plate 1 to protect the outside of the discovery instrument, and the fixed clamping plate 3 and the movable clamping plate 4 can clamp the protective plate 1 on the top and bottom of the discovery instrument body. Specifically, the knob 8 is turned through the clamping mechanism. When the knob 8 rotates, the threaded rod 6 is driven to rotate on the inner surface of the threaded ring 7, and the threaded ring 7 moves up and down on the outer wall of the threaded rod 6. When the threaded ring 7 moves downward, the threaded ring 7 drives the movable clamping plate 4 to move close to the fixed clamping plate 3, so that the discovery instrument body can be installed and fixed when in use by cooperating with the fixed clamping plate 3. At the same time, when the movable clamping plate 4 rises, it is also convenient for disassembly and maintenance;

[0031] When the main body of the discovery device falls, its lens and main body are protected by the protective cover 2 and the protective plate 1 respectively, and the impact force generated by the collision will be cushioned by the sponge cover 9 and the two buffer pads 5, reducing the impact force generated when the device falls. The hanging rope 11 makes it easy for the user to hang the anti-fall mechanism and the discovery device around the neck for carrying, reducing the possibility of falling, and the protective belt 12 can increase the contact area with the user's neck when worn, thereby reducing the pressure of the hanging rope 11 on the neck, reducing the marks on the neck caused by the hanging rope 11, and improving the user's comfort. Finally, the user can hold the two handles 13 to lift the mechanism and the device body for shooting, which is convenient to use;

[0032] It is worth noting that the threads between the threaded rod 6 and the threaded ring 7 in the clamping mechanism are self-locking. The self-locking condition depends on the thread's helix angle, friction coefficient, and load. The self-locking condition can be calculated using the following formula: Self-locking condition = friction coefficient × tan(helix angle) ≥ 1. When this condition is met, the threaded connection is self-locking. The above is all prior art, and in actual applications, the corresponding self-locking angle can be set based on the material's friction coefficient. This will not be elaborated here.

[0033] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0034] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0036] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A fall prevention mechanism for a biological evidence discovery instrument, comprising a protective plate (1), characterized in that: The outer wall of the protective plate (1) is fixedly connected to a protective sleeve (2), the protective plate (1) is communicated with the protective sleeve (2), the bottom outer wall of the protective plate (1) is fixedly connected to a fixed clamping plate (3), the top outer wall of the protective plate (1) is installed with a movable clamping plate (4), and the outer wall of the protective plate (1) is installed with a clamping mechanism for driving the movable clamping plate (4) to move; The clamping mechanism comprises a threaded rod (6) rotatably connected to the inner wall of the top of the protective plate (1); the outer wall of the movable clamping plate (4) is provided with a threaded ring (7); the top end of the threaded rod (6) passes through the movable clamping plate (4) and is threadedly connected to the threaded ring (7); the top end of the threaded rod (6) is fixedly connected to a knob (8); The outer walls of the movable clamping plate (4) and the fixed clamping plate (3) facing each other are both provided with a buffer pad (5), and the inner wall of the protective sleeve (2) is bonded with a sponge sleeve (9).

2. The anti-fall mechanism for a biological evidence discovery instrument according to claim 1, characterized in that: The protective plate (1) is located on the outer wall where the protective cover (2) is located and is fixedly connected to two connecting pieces (10); the inner walls of the two connecting pieces (10) are provided with hanging ropes (11); and the ends of the two hanging ropes (11) away from the connecting pieces (10) are fixedly connected to protective belts (12).

3. The anti-fall mechanism for a biological evidence discovery instrument according to claim 2, characterized in that: The top outer wall of the protective plate (1) is provided with two limiting grooves (14), the bottom outer wall of the movable clamping plate (4) is fixedly connected to a limiting rod (15), and the limiting rod (15) is movably connected to the inside of the limiting grooves (14).

4. The anti-fall mechanism for a biological evidence discovery instrument according to claim 3, characterized in that: The bottom ends of the two limiting rods (15) are fixedly connected with movable blocks (16), and the movable blocks (16) are slidably connected to the inner wall of the limiting groove (14). The threaded rod (6) is located on the two limiting rods (15).

5. The anti-fall mechanism for a biological evidence discovery instrument according to claim 1, characterized in that: One end of the threaded rod (6) located inside the protective plate (1) is fixedly connected to a rotating block (17), and the rotating block (17) is rotatably connected to the inside of the protective plate (1).

6. The anti-fall mechanism for a biological evidence discovery instrument according to claim 1, characterized in that: Handles (13) are fixedly connected to the outer walls on both sides of the protective plate (1).

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