Shearing mechanism and sharp instrument box

By designing convenient shear mechanisms and enhanced protective facilities in the sharp box, the shortcomings of the existing sharp box in separation of infusion needles and protection are solved, significantly reducing the operating risk and the possibility of sharp device leakage.

CN222623091UActive Publication Date: 2025-03-18SANDA UNIVERSITY
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Patent Information

Application Number
CN202420165876.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-24
Publication Date
2025-03-18
Estimated Expiration
2034-01-24

AI Technical Summary

Technical Problem

During use, the existing sharp cartridge cannot conveniently separate the infusion needle, and the lack of effective protective facilities increases the risk of operators being scratched and infected.

Method used

A shearing mechanism including a pressing unit and a sliding unit is designed. By driving the sliding unit to rotate, the shearing of the infusion needle is realized, and the stability and safety of the sharpener box are enhanced through the protective end cap and the visible window.

Benefits of technology

It realizes convenient shearing of the infusion needle, reduces the risk of operators being scratched and infected, and monitors the capacity in the sharp instrument box in a timely manner through the visual window to avoid leakage of the sharp instrument.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shearing mechanism and a sharp instrument box, and relates to the technical field of medical supplies. The pressing unit comprises a fixing sleeve and a connecting rod arranged in the fixing sleeve; the extrusion block is arranged on the side wall of the fixing sleeve; the spring is arranged on the outer wall of the connecting rod; the sliding unit comprises a sliding frame, a sliding block arranged on the inner side of the sliding frame, and a reset piece arranged at the end of the sliding block. The sliding frame is fixed on the upper surface of the box cover; the fixing sleeve is fixed on the lower surface of the box cover. The infusion needle shearing device has the advantages that the arranged pressing unit can drive the sliding unit to rotate so that an infusion needle can be sheared; in the shearing process, the situation that workers touch the blade by mistake to scratch the blade, and consequently infection of germs is caused is effectively avoided, the device is easier and more convenient to use, and operation of the workers is facilitated.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical supplies, in particular to a shearing mechanism and a sharps box. Background Art

[0002] In medical clinical work, sharps boxes are one of the necessary items for storing medical waste; they are mainly used to store sharp objects, such as syringe needles, ampoules, glass bottle slag, etc.; the main purpose of using sharps boxes is to ensure the safe management and disposal of these harmful medical wastes, thereby avoiding any sharp injuries and environmental pollution; sharps boxes are usually placed in conspicuous locations in medical places such as wards, consulting rooms, and operating rooms for the convenience of medical staff.

[0003] During use, the existing sharps box has a large opening at the throwing port and does not have any protective facilities. If it is not placed properly or is affected by external forces and accidentally tipped over, the sharps inside will easily leak out, increasing the risk of infection and scratches to related personnel; clinical requirements require that the storage capacity of the sharps box shall not exceed 3 / 4 of the entire sharps box capacity; the sharps boxes commonly used in clinical practice are yellow, sealed, opaque containers, and the number of sharps accumulated in the sharps box cannot be directly visually observed, and there is a lack of a visual window; the sharps box cover is only provided with a syringe needle separation hole at the throwing port, and there is a lack of a device for separating the infusion needle; when separating the infusion needle, the operator needs to use scissors to cut it off and then put the needle back into the sharps box, which is time-consuming and laborious, and also contaminates the scissors. The disinfection, handling, and storage of the scissors also fail to meet the requirements of hospital infection management, increasing the risk of sharp injuries and contamination. Utility Model Content

[0004] In view of the above-mentioned prior art problems, the present utility model is proposed.

[0005] The utility model aims to provide a shearing mechanism, which aims to solve the problem that the existing sharps box is inconvenient to separate the infusion needle during use, and the operator is at a high risk of being scratched by the sharps and infected during use.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a shearing mechanism, which includes a box cover;

[0007] The pressing unit comprises a fixing sleeve, a connecting rod arranged inside the fixing sleeve, an extrusion block arranged on a side wall of the fixing sleeve, and a spring arranged on an outer wall of the connecting rod;

[0008] The sliding unit comprises a sliding frame, a sliding block arranged inside the sliding frame, and a reset member arranged at an end of the sliding block;

[0009] The sliding frame is located on the upper surface of the box cover and is fixed; the fixing sleeve is located on the lower surface of the box cover and is fixed.

[0010] As a preferred solution of the shearing mechanism of the utility model, wherein: the box cover comprises a first through groove opened on its surface, and a shearing opening arranged on one side of the first through groove;

[0011] The shear cutter includes a fixed blade disposed on an inner wall thereof;

[0012] The fixing sleeve includes a moving groove formed on a side wall thereof;

[0013] The moving groove is communicated with the first through groove.

[0014] As a preferred solution of the shearing mechanism of the utility model, wherein: the connecting rod includes a button arranged at its end, and a pressure plate arranged on the outer wall of the connecting rod;

[0015] The connecting rod is adapted to the fixing sleeve;

[0016] The connecting rod passes through the fixing sleeve and extends to the outside thereof;

[0017] The spring is arranged inside the fixing sleeve; the end of the spring is in contact with the pressing plate.

[0018] As a preferred solution of the shearing mechanism of the utility model, wherein: the sliding frame includes a sliding rail arranged on the inner side thereof;

[0019] The slider includes slide grooves opened at both ends thereof, and a waist hole arranged inside the slider;

[0020] The waist hole includes a movable blade arranged on the inner side thereof;

[0021] The slide groove is adapted to the slide rail;

[0022] The shear cut matches the waist hole.

[0023] As a preferred solution of the shearing mechanism of the utility model, wherein: the sliding frame has a rectangular frame structure;

[0024] The reset member is composed of a plurality of groups of metal springs connected to each other;

[0025] One end of the reset member is fixedly connected to the inner wall of the sliding frame; the other end of the reset member is fixedly connected to the end surface of the sliding block.

[0026] As a preferred solution of the shearing mechanism of the utility model, wherein: the extrusion block is a diameter trapezoidal structure;

[0027] The end of the extrusion block is in contact with the slider;

[0028] The extrusion block cooperates with the first through groove.

[0029] As a preferred solution of the shearing mechanism of the utility model, wherein: the movable blade is adapted to the fixed blade;

[0030] The movable blade cooperates with the fixed blade to shear the needle.

[0031] The beneficial effects of the shearing mechanism of the utility model are as follows: the set pressing unit can drive the sliding unit to rotate to complete the shearing of the infusion needle; during the shearing process, it can effectively prevent the staff from accidentally touching the blade and causing scratches and infection of bacteria, and the device is simpler and more convenient to use, and is easy for the staff to operate.

[0032] Another object of the utility model is to provide a sharps box, which aims to solve the problem that the capacity of the existing sharps box cannot be observed during use, causing the sharps box to tip over during use, resulting in the scattering of needles inside the box, posing certain safety hazards.

[0033] In order to solve the above technical problems, the utility model also provides the following technical solutions: a sharps box, which includes a shearing mechanism; and a storage box;

[0034] Protective end caps;

[0035] The protective end cover cooperates with the box cover, and the protective end cover covers the top of the box cover;

[0036] The storage box is threadedly connected to the box cover.

[0037] As a preferred solution of the sharps box of the utility model, wherein: the box cover also includes a second through groove opened on its surface, a throwing port arranged on one side of the second through groove, a protective plate arranged on the side wall of the end of the box cover, a shaft sleeve arranged on one side of the protective plate, and a limit block arranged on the side wall of the box cover;

[0038] The protective end cover includes a clamping plate arranged on a side wall thereof, and a rotating shaft arranged at an end of the protective end cover;

[0039] The rotating shaft rotates along the axial direction of the sleeve.

[0040] As a preferred solution of the sharps box of the utility model, wherein: the storage box includes an observation window arranged on its side wall;

[0041] The clamping plate cooperates with the limiting block.

[0042] The beneficial effects of the sharps box of the utility model are as follows: the amount of sharps accumulated in the sharps box can be directly visually checked, which is convenient for timely replacement of the sharps box when too many sharps are accumulated, and the leakage of sharps can be effectively prevented; the provided snap-on flip cover and visual window increase the stability, safety and convenience of the sharps box, thereby avoiding sharp injuries to medical personnel and reducing the risk of infection. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0044] Figure 1 It is a structural schematic diagram of the utility model.

[0045] Figure 2 It is a schematic diagram of the connection structure between the box cover and the protective end cover in the utility model.

[0046] Figure 3 It is a partial cross-sectional view of the box cover in the present utility model.

[0047] Figure 4 For the utility model Figure 1 A is a partial enlarged view of the DETAILED DESCRIPTION

[0048] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0049] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0050] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0051] Example 1

[0052] Reference Figure 1 and Figure 4, which is the first embodiment of the utility model, and this embodiment provides a shearing mechanism, including; a box cover 200; a pressing unit 300, including a fixing sleeve 301, a connecting rod 302 arranged inside the fixing sleeve 301; an extrusion block 303 arranged on the side wall of the fixing sleeve 301, and a spring 304 arranged on the outer wall of the connecting rod 302; a sliding unit 400, including a sliding frame 401, a slider 402 arranged on the inner side of the sliding frame 401, and a reset member 403 arranged at the end of the slider 402; the sliding frame 401 is located on the upper surface of the box cover 200 and fixed; the fixing sleeve 301 is located on the lower surface of the box cover 200 and fixed.

[0053] Preferably, the fixing sleeve 301 is a columnar structure with a hollow interior, and the end of the fixing sleeve 301 is open and fixedly connected to the box cover 200; the connecting rod 302 is located inside the fixing sleeve 301, and the end of the connecting rod 302 passes through the fixing sleeve 301 and extends to its outside; the fixing sleeve 301 supports the connecting rod 302; the movement of the setting connecting rod 302 can drive the movement of the extrusion block 303, and the movement of the extrusion block 303 can squeeze the movement of 402 on one side; the setting spring 304 can facilitate the pushing of the connecting rod 302 to reset; the setting sliding frame 401 supports the slider 402, and the slider 402 is located on the inner side of the sliding frame 401 for sliding; the sliding of the slider 402 can compress the reset member 403; the reset member 403 resets when it is not squeezed by external force, and can push the slider 402 to reset.

[0054] During use, when it is necessary to cut the infusion needle, the infusion needle is placed on the inner side of the shearing opening 200b, and then the connecting rod 302 is pressed, the connecting rod 302 moves downward and compresses the squeezing block 303, and the squeezing block 303 arranged on one side of the connecting rod 302 squeezes the slider 402 as the connecting rod 302 moves, and the slider 402 moves to one side under the squeezing, and the movement of the slider 402 drives the moving blade arranged inside it to move, so that the moving blade overlaps with the fixed blade, thereby cutting off the infusion needle; the reset member 403 is compressed during the movement of the slider 402; when the staff no longer presses the connecting rod 302, the spring 304 resets and drives the connecting rod 302 to move, and the reset member 403 resets and pushes the slider 402 to move, so that the connecting rod 302 and the slider 402 return to their original positions, thereby making it easier for the staff to operate and effectively avoiding the staff from touching the blade and getting scratched during the shearing process, causing infection.

[0055] In summary, the pressing unit 300 and the sliding unit 400 cooperate with each other, and the infusion needle can be quickly cut through a single pressing action, which is convenient for the staff to operate. The device is simpler and more convenient to operate, and is more convenient for the staff to operate.

[0056] Example 2

[0057] Reference Figure 1 to Figure 4 , which is the second embodiment of the utility model, includes: the box cover 200 includes a first through groove 200a opened on the surface thereof, and a shearing notch 200b arranged on one side of the first through groove 200a; the shearing notch 200b includes a fixed blade 200b-1 arranged on the inner wall thereof; the fixed sleeve 301 includes a movable groove 301a opened on the side wall thereof; the movable groove 301a is connected to the first through groove 200a.

[0058] Preferably, the fixed blade 200b-1 is fixed inside the shear cut 200b; the first through groove 200a is connected with the movable groove 301a. During the pressing process, the movement of the connecting rod 302 can drive the extrusion block 303 to move, and the extrusion block 303 can move to the inside of the first through groove 200a. By cooperating with the first through groove 200a and the movable groove 301a, a certain moving space can be provided for the movement of the extrusion block 303.

[0059] Furthermore, the connecting rod 302 includes a button 302a arranged at its end, and a pressure plate 302b arranged on the outer wall of the connecting rod 302; the connecting rod 302 is adapted to the fixing sleeve 301; the connecting rod 302 passes through the fixing sleeve 301 and extends to its outside; the spring 304 is arranged inside the fixing sleeve 301; the end of the spring 304 contacts the pressure plate 302b.

[0060] Preferably, the button 302a is provided to make it easier for the staff to press the connecting rod 302 to move. The diameter of the pressure plate 302b is the same as the fixed sleeve 301, and the spring 304 is sleeved on the outside of the connecting rod 302. The diameter of the spring 304 is smaller than the diameter of the pressure plate 302b. During the process of pressing the connecting rod 302, the pressure plate 302b can compress the spring 304. During the movement of the connecting rod 302, the connecting rod 302 can pass through the fixed sleeve 301 and extend to the outside thereof.

[0061] Furthermore, the sliding frame 401 includes a sliding rail 401a arranged on its inner side; the slider 402 includes a sliding groove 402a opened at both ends thereof, and a waist hole 402b arranged inside the slider 402; the waist hole 402b includes a movable blade 402b-1 arranged on its inner side; the sliding groove 402a is adapted to the sliding rail 401a; and the shear cut 200b is matched with the waist hole 402b.

[0062] Preferably, the sliding frame 401 is welded and fixed to the box cover 200, the sliding frame 401 is arranged on the outside around the shearing cut 200b, and the sliding block 402 is arranged inside the sliding frame 401, and the sliding block 402 moves along the straight direction of the sliding rail 401a; and the diameter of the waist hole 402b matches the shearing cut 200b. Under normal circumstances, the shearing cut 200b is in an open state, and the movable blade 402b-1 is located away from the fixed blade 200b-1; the reset member 403 is a metal spring sheet, and the movement of the sliding block 402 can compress the reset member 403, one end of the reset member 403 is fixedly connected to the sliding frame 401, and the other end is fixedly connected to the sliding block 402, so that the compression range of the reset member 403 is between the sliding block 402 and the sliding frame 401, and the reset of the reset member 403 can drive the sliding block 402 to move and restore to its original position.

[0063] Furthermore, the sliding frame 401 has a rectangular frame structure; the reset member 403 is composed of multiple groups of interconnected metal springs; one end of the reset member 403 is fixedly connected to the inner wall of the sliding frame 401; the other end of the reset member 403 is fixedly connected to the end surface of the slider 402.

[0064] Preferably, the reset member 403 is composed of multiple groups of metal springs with a W-shaped structure, which can further push the slider 402 to move while resetting, so that the slider 402 can be restored to its original position, thereby better facilitating the next operation of the staff and reducing the staff's action of pushing the slider 402 to reset during the shearing process, thereby better facilitating the staff's operation.

[0065] Furthermore, the extrusion block 303 is a diameter trapezoidal structure; the end of the extrusion block 303 contacts the slider 402; the extrusion block 303 cooperates with the first through groove 200a; the movable blade 402b-1 is adapted to the fixed blade 200b-1; the movable blade 402b-1 cooperates with the fixed blade 200b-1 to complete the shearing of the needle.

[0066] Preferably, 303 is a right-angled trapezoidal structure. When 303 moves downward, the hypotenuse of 303 can squeeze 402 to one side, so that the movement of 303 pushes 402 to move. The movement of 402 can further drive the moving blade to cooperate with the fixed blade to complete the shearing of the infusion needle; the moving blade 402b-1 is adapted to the fixed blade 200b-1 to complete the shearing of the infusion needle.

[0067] When in use, the staff will pass the infusion needle to be cut through the cutting opening 200b and extend it into the storage box 100, and then the staff will press the button 302a, the connecting rod 302 moves downward along the inner wall of the fixing sleeve 301, and the squeezing block 303 moves with the connecting rod 302. As the squeezing block 303 is continuously pressed down, the pressing plate 302b gradually compresses the spring 304; while the squeezing block 303 moves downward, it squeezes the slider 402 to one side; after the slider 402 is subjected to the horizontal force, the slider 402 moves along the linear direction of the slide rail 401a, so that the slider 402 can gradually approach Near the shear cut 200b, the slider 402 compresses the reset member 403 while moving; as the slider 402 continues to move, the movable blade 402b-1 pushes the infusion needle inside the shear cut 200b to move, so that the infusion needle is close to the fixed blade 200b-1, and the infusion needle can be sheared through the cooperation between the movable blade 402b-1 and the fixed blade 200b-1, and then the hand pressing the button 302a is released, the reset member 403 and the spring 304 are reset, driving the connecting rod 302 and the slider 402 to move to the original position, so as to better facilitate the staff to operate next time.

[0068] In summary, the set pressing unit 300 can drive the sliding unit 400 to rotate to complete the cutting of the infusion needle; during the cutting process, it can effectively prevent the staff from accidentally touching the blade and causing scratches and bacterial infection. The device is simpler and more convenient to use and is easy for the staff to operate.

[0069] Example 3

[0070] Reference Figure 1 and Figure 2 , which is the third embodiment of the utility model, and this embodiment further provides a sharps box; including, a storage box 100; a protective end cover 500; the protective end cover 500 cooperates with the box cover 200, and the protective end cover 500 covers the top of the box cover 200; the storage box 100 and the box cover 200 are threadedly connected.

[0071] Preferably, the storage box 100 is threadedly connected to the box cover 200, so that the end opening of the box cover 200 can be closed, which not only makes it convenient for the staff to handle the sharps, but also effectively prevents the sharps box from tipping over and causing the sharps to spill out; the protective end cover 500 is set to cover the box cover 200, effectively preventing the sharps from scattering on the ground along the throwing port when tipping over, which is more convenient for the staff to operate to a certain extent and ensures the practical safety of the staff.

[0072] Furthermore, the box cover 200 also includes a second through groove 200c opened on its surface, a throwing port 200d arranged on one side of the second through groove 200c, a protective plate 200e arranged on the side wall of the end of the box cover 200, a sleeve 200f arranged on one side of the protective plate 200e, and a limit block 200g arranged on the side wall of the box cover 200; the protective end cover 500 includes a clamping plate 500a arranged on its side wall, and a rotating shaft 500b arranged at the end of the protective end cover 500; the rotating shaft 500b rotates along the axial direction of the sleeve 200f; the storage box 100 includes an observation window 100a arranged on its side wall; the clamping plate 500a cooperates with the limit block 200g.

[0073] Preferably, the second through groove 200c is located in a teardrop-shaped structure, and one end of the second through groove 200c is shorter, so that the needle tube and the needle can be separated. When in use, the staff inserts the end of the needle tube connected to the needle into the inner side of the second through groove 200c, and then moves the position of the needle tube to make it close to the end with a smaller diameter of the second through groove 200c; so that the end of the needle head contacts the inner wall of the box cover 200, and then pulls the needle tube to separate the needle tube from the needle; the throwing port 200d is set to be larger; so that it is more convenient for the staff to put the sharp object into the storage box 100 inner side; the protective plate 200e can contact with the surface of the protective end cover 500, which can ensure that the protective end cover 500 is arranged above the box cover 200, and the rotating shaft 500b is arranged to rotate along the axial direction of the shaft sleeve 200f, so as to better facilitate the flipping of the protective end cover 500 and facilitate the staff to throw sharp objects; the provided card plate 500a cooperates with the limit block 200g, which can better complete the snap connection between the protective end cover 500 and the box cover 200, so as to facilitate the staff to close the surface of the box cover 200;

[0074] The maximum capacity allowed by the sharps box is 70% of the box body; the observation window 100a is arranged to coincide with the position thereof; the observation window 100a can be arranged to facilitate the staff to observe the storage volume of the inner wall of the storage box 100 and to facilitate the staff to use the sharps box when replacing the sharps box.

[0075] When in use, the staff pulls the card plate 500a, the card plate 500a is deformed and separated between the limit blocks 200g, and then flips the protective end cover 500, so that the protective end cover 500 rotates along the axial direction of the rotating shaft 500b, so that the upper surface of the box cover 200 is in an open state, and then the staff can put the sharp objects into the sharp object box through the various groups of grooves and holes opened on the surface of the box cover 200; during use, the staff observes the amount of sharp objects inside the storage box 100 through the observation window 100a, so as to facilitate timely processing of the sharp objects inside the storage box 100.

[0076] In summary, the sharps box can directly visually check the amount of sharps accumulated in the sharps box, which is convenient for timely replacement of the sharps box when there are too many sharps accumulated, and effectively prevents the leakage of sharps; the snap-on flip cover and visual window increase the stability, safety and convenience of the sharps box, thereby avoiding sharp injuries to medical staff and reducing the risk of infection.

[0077] It is important to note that the above embodiments are only used to illustrate the technical solution of the utility model and are not intended to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A shearing mechanism, characterized in that: include, Box cover (200); The pressing unit (300) comprises a fixing sleeve (301), a connecting rod (302) arranged inside the fixing sleeve (301); an extrusion block (303) arranged on a side wall of the fixing sleeve (301), and a spring (304) arranged on an outer wall of the connecting rod (302); A sliding unit (400) comprises a sliding frame (401), a sliding block (402) arranged inside the sliding frame (401), and a reset member (403) arranged at an end of the sliding block (402); The sliding frame (401) is located and fixed on the upper surface of the box cover (200); The fixing sleeve (301) is located and fixed on the lower surface of the box cover (200).

2. The shearing mechanism according to claim 1, characterized in that: The box cover (200) comprises a first through groove (200a) formed on its surface, and a shear cut (200b) formed on one side of the first through groove (200a); The shear cutout (200b) comprises a fixed blade (200b-1) arranged on its inner wall; The fixing sleeve (301) comprises a moving groove (301a) formed on a side wall thereof; The movable groove (301a) is communicated with the first through groove (200a).

3. The shearing mechanism according to claim 2, characterized in that: The connecting rod (302) comprises a button (302a) arranged at the end thereof, and a pressing plate (302b) arranged on the outer wall of the connecting rod (302); The connecting rod (302) is adapted to the fixing sleeve (301); The connecting rod (302) passes through the fixing sleeve (301) and extends to the outside thereof; The spring (304) is arranged inside the fixing sleeve (301); the end of the spring (304) is in contact with the pressing plate (302b).

4. The shearing mechanism according to claim 3, characterized in that: The sliding frame (401) comprises a sliding rail (401a) arranged on the inner side thereof; The slider (402) comprises sliding grooves (402a) opened at both ends thereof, and a waist hole (402b) arranged inside the slider (402); The waist hole (402b) comprises a movable blade (402b-1) arranged on the inner side thereof; The slide groove (402a) is adapted to the slide rail (401a); The cutout (200b) matches the waist hole (402b).

5. The shearing mechanism according to claim 4, characterized in that: The sliding frame (401) has a rectangular frame structure; The reset member (403) is composed of a plurality of groups of interconnected metal spring sheets; One end of the reset member (403) is fixedly connected to the inner wall of the sliding frame (401); the other end of the reset member (403) is fixedly connected to the end surface of the sliding block (402).

6. The shearing mechanism according to claim 5, characterized in that: The extrusion block (303) is a trapezoidal structure in diameter; The end of the extrusion block (303) is in contact with the slider (402); The extrusion block (303) cooperates with the first through groove (200a).

7. The shearing mechanism according to any one of claims 4 to 6, characterized in that: The movable blade (402b-1) is adapted to the fixed blade (200b-1); The movable blade (402b-1) cooperates with the fixed blade (200b-1) to complete the shearing of the needle.

8. A sharps box, characterized in that: comprising the shearing mechanism according to any one of claims 1 to 7; and Storage box (100); Protective end cover (500); The protective end cover (500) cooperates with the box cover (200), and the protective end cover (500) covers the top of the box cover (200); The storage box (100) and the box cover (200) are threadedly connected.

9. The sharps box according to claim 8, characterized in that: The box cover (200) further comprises a second through groove (200c) provided on its surface, a throwing port (200d) provided on one side of the second through groove (200c), a protective plate (200e) provided on the end side wall of the box cover (200), a shaft sleeve (200f) provided on one side of the protective plate (200e), and a limit block (200g) provided on the side wall of the box cover (200); The protective end cover (500) comprises a clamping plate (500a) arranged on a side wall thereof, and a rotating shaft (500b) arranged at an end of the protective end cover (500); The rotating shaft (500b) rotates along the axial direction of the shaft sleeve (200f).

10. The sharps box according to claim 9, characterized in that: The storage box (100) comprises an observation window (100a) arranged on a side wall thereof; The clamping plate (500a) cooperates with the limiting block (200g).