Innovative multi-functional blast shield

Abstract

This application relates to the field of riot control devices and discloses an innovative multifunctional riot shield, specifically for police equipment. The riot shield includes a shield body, an auxiliary support assembly, a dispersing assembly, and a control assembly. The front surface of the shield body has an observation window; the auxiliary support assembly connects the user's upper arm to the shield body to distribute the weight of the grip; the dispersing assembly is located on the inner wall of the shield body and, through a central processing unit, controls a micro-pump to spray the medium from the gas cylinder outwards via a transmission pipe. The device features a linkage locking assembly; pressing the unlock button moves the unlocking plate, and the protrusion drives the locking buckle and the moving sleeve to move downwards synchronously, simultaneously releasing the lock between the central processing unit and the gas cylinder; in conjunction with the torsion spring structure of the rotary joint, the gas cylinder automatically tilts outwards and pops out after unlocking. This invention achieves active dispersing and identity verification control of the riot shield, and also features rapid gas cylinder replacement and ergonomic auxiliary support functions.

Description

Technical Field

[0001] This invention relates to the field of riot control device technology, specifically to an innovative multi-functional riot control shield. Background Technology

[0002] Riot shields are commonly used individual protective equipment for maintaining public order and handling emergencies. Most existing riot shields employ a single, rigid plate structure, primarily focusing on physical protection—relying on the shield's inherent strength to withstand external blows from batons or projectiles. This passive defense mode is limited in the face of complex riot situations, often proving ineffective in dispersing or actively controlling crowds. While some improved shields have attempted to integrate spray dispersal functions, their media storage containers are typically simple or fixed in installation, lacking convenient quick-release mechanisms. When high-intensity confrontations lead to media depletion, operators often need to perform cumbersome unlocking and disassembly procedures to replace the cylinder, failing to meet the need for rapid resupply in emergency situations.

[0003] Furthermore, existing riot shields with active functions have shortcomings in terms of security and controllability. Traditional trigger control methods lack user authentication mechanisms. If the equipment is accidentally lost or stolen during a conflict, it can easily be used by unauthorized personnel for counterattacks, posing a serious security risk. Simultaneously, existing equipment often lacks locking detection for gas cylinder installation, increasing the risk of accidental activation if the cylinder is not securely locked. On the other hand, because riot shields need sufficient protective area and strength, their overall weight is usually considerable. Traditional gripping methods rely solely on the user's hand gripping the handle on the back of the shield. Prolonged use leads to the weight being concentrated on the user's wrist and forearm, easily causing muscle fatigue. The lack of effective auxiliary support structures to distribute the shield's weight reasonably to the upper arm or other body parts affects the equipment's sustained combat capability. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an innovative multi-functional riot shield that solves the problems of limited functionality, lack of active dispersal capabilities, and heavy handling burden of existing riot shields.

[0005] To achieve the above objectives, the present invention provides the following technical solution: An innovative multi-functional explosion-proof shield includes a shield body, auxiliary support components, a dispersal component, and a control component. The shield body is a rigid plate with protective capabilities, and its front surface is provided with an observation window for observing the environment ahead.

[0006] The dispersion assembly is installed on the inner wall of the shield body for active spraying. A support pad is located on the end of the shield body near the user, and a central processing unit (CPU) is hinged to the support pad. A gas cylinder is installed within a groove in the support pad. The CPU is electrically connected to the dispersion assembly and controls its operation. The dispersion assembly includes a transmission pipeline consisting of interconnected inlet and outlet pipes. The inlet pipe connects to the gas cylinder, and the outlet pipe opens through the front surface of the shield body, enabling directional spraying of liquid or gas. A miniature air pump is installed within the transmission pipeline and is electrically connected to the CPU. Controlled by signals from the CPU, the miniature air pump can open and close the inlet pipe and provide power for media delivery, achieving active spraying. A protective net is installed on the front surface of the shield body to protect the opening of the transmission pipeline.

[0007] To facilitate quick assembly, disassembly, and sealing of the gas cylinder, a support frame is fixed to the inner wall of the support pad groove. The support frame is rotatably connected to a connector via a rotating shaft. The air inlet opening is fixed to the inner wall of the connector, and the gas cylinder is inserted into and connected to the inner wall of the connector. A torsion spring connects the rotating shaft of the connector to the support frame, and a limit rod at the top of the rotating shaft engages with a limit plate on the support frame. When the connector is released from its locking position, the torsion spring releases its elastic potential energy, driving the connector to rotate the gas cylinder to an outward tilt position, thus detaching the gas cylinder from the groove for easy replacement.

[0008] This invention employs a linkage locking structure for fixing and unlocking the gas cylinder and the central processing unit (CPU). A locking assembly is provided on the outer wall of the support pad, including a compression pad, a locking buckle, a fixing sleeve, and a movable sleeve. The compression pad is located inside the CPU and is used to press the gas cylinder in the closed state. The locking buckle is slidably installed on the inner wall of the support pad groove and cooperates with the fixing buckle on the CPU to achieve closed locking of the CPU. The movable sleeve is connected to the fixing sleeve via a sliding rod, and cooperates with the fixing sleeve to form a C-shaped structure to secure the gas cylinder. Both the locking buckle and the sliding rod are maintained in a return-to-normal state by a return spring. The locking assembly also includes an unlocking plate and an unlocking button. The unlocking plate is slidably installed on the inner wall of the groove, and both the movable sleeve and the locking buckle penetrate the unlocking plate, with protrusions on their outer walls. When the unlocking button is pressed down, the unlocking plate moves down and presses against the protrusions, causing the movable sleeve and the locking buckle to move downwards synchronously. This action simultaneously releases the locking buckle from the fixing buckle and the limiting state of the movable sleeve on the gas cylinder. Combined with the aforementioned torsion spring, this allows the gas cylinder to automatically pop out and release from the CPU cover.

[0009] To ensure safe operation of the equipment, a trigger switch is installed on the inner wall of the support pad groove. When the central processing unit is closed, the trigger switch is pressed and sends a closing signal to the central processing unit, and the system enters standby mode; if the trigger switch is not pressed, it sends a signal that the gas cylinder or cover is not installed in place, and the system prohibits spraying operations to prevent misoperation or leakage.

[0010] The control assembly includes a control handle fixed to the shield body. A fingerprint recognition button is located at the top of the handle for collecting user information for authentication. A trigger is located on the outer wall of the handle and is connected to the central processing unit. During operation, fingerprint verification is required first, followed by pressing the trigger to send a transmission signal. The central processing unit receives the signal and drives a miniature air pump.

[0011] The auxiliary support assembly is used to share the weight of the shield. It includes an arm guard installed on the user's arm and a mounting base installed on the shield. An I-shaped locking element is provided on the outer side of the arm guard, and the mounting base has a corresponding slot. An upper and lower insert block are slidably mounted on the inner wall of the mounting base, located at the upper and lower ends of the slot, respectively. A transmission gear is located inside the mounting base; teeth are provided on the opposite sides of both the upper and lower insert blocks, meshing with the transmission gear. The lower insert block is driven by a locking spring to clamp the locking element. When unlocking is required, pulling the upper insert block causes the lower insert block to move in the opposite direction via gear transmission, releasing the locking element. This structure utilizes mechanical transmission to achieve a rigid connection between the arm guard and the shield, transferring the weight of the shield to the user's upper arm.

[0012] In addition, an observation lens is installed at the front of the observation window to record the scene. The entire system, through the combination of mechanical structure and electronic control, realizes the functions of protection, observation, active dispersal, and ergonomic support of the riot shield.

[0013] This invention provides an innovative multi-functional explosion-proof shield. It has the following beneficial effects: 1. This invention integrates a dispersing component and a control component, giving the riot shield an active defense function. A central processing unit controls a micro-pump to spray the medium from the front of the shield through a transmission pipe, changing the traditional shield's single-mode protection of only physical blocking. Simultaneously, the system introduces dual control logic of fingerprint recognition and a trigger switch detection mechanism for the central processing unit's closed state, ensuring that spraying is only initiated when authorized and the equipment is properly installed. This effectively prevents accidental activation or malicious use after the equipment is seized, improving the equipment's security and controllability.

[0014] 2. This invention features a linked locking and ejection mechanism, significantly improving the convenience of gas cylinder replacement. Pressing the unlock button moves the unlocking plate, and the protruding structure drives the locking buckle and the moving sleeve to move downwards synchronously, enabling the unlocking of the central processing unit cover and the release of the gas cylinder in one operation. Combined with a torsion spring structure at the connector, the gas cylinder automatically rotates outwards to a tilted position the moment it is unlocked. This allows the operator to quickly remove and replace the gas cylinder in emergency situations without cumbersome manual disassembly steps, ensuring continuous operational capability.

[0015] 3. This invention optimizes the user's force distribution using auxiliary support components, reducing the burden of prolonged gripping. Through the cooperation of the arm guard and the fixing base, part of the shield's weight is transferred to the user's upper arm, achieving force distribution support. In particular, the fixing base employs a gear transmission structure connecting the upper and lower insert blocks, allowing them to move synchronously in opposite directions via unilateral drive, thus securely clamping the locking mechanism on the arm guard. This mechanical structure not only ensures the rigidity and stability of the connection but also makes the donning and disassembly process faster and smoother, improving the user's ergonomic experience. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present invention; Figure 2 This is a rear view diagram of the present invention; Figure 3 This is a schematic diagram of the unlocked state of the present invention; Figure 4 This is a cross-sectional schematic diagram of the shield body of the present invention; Figure 5 This is a schematic diagram showing the disassembly of the locking component of the present invention; Figure 6 This is a schematic diagram showing the disassembled connector of the present invention; Figure 7 This is a cross-sectional schematic diagram of the transmission pipeline of the present invention; Figure 8 This is a cross-sectional schematic diagram of the auxiliary support component of the present invention.

[0017] The components are as follows: 1. Shield body; 2. Observation window; 3. Observation lens; 4. Dispersal assembly; 41. Protective net; 42. Transmission pipeline; 43. Miniature air pump; 45. Connector; 46. Limiting rod; 47. Torsion spring; 48. Limiting plate; 49. Support frame; 5. Auxiliary support assembly; 51. Locking element; 52. Strap; 53. Fixing base; 54. Slot; 55. Upper insert block; 56. Lower insert block; 57. Transmission gear; 58. Locking mechanism. 59. Spring; 6. Arm guard; 7. Support pad; 8. Control assembly; 91. Control grip; 10. Fingerprint recognition button; 11. Trigger; 22. Central processing unit; 33. Locking assembly; 44. Compression pad; 55. Fixing buckle; 66. Locking buckle; 77. Fixing sleeve; 88. Moving sleeve; 99. Slide bar; 10. Unlocking plate; 11. Unlocking button; 12. Boss; 13. Return spring; 14. Gas cylinder; 15. Trigger switch. Detailed Implementation

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0019] Please see the appendix Figure 1 - Appendix Figure 8 This invention provides an innovative multi-functional explosion-proof shield, comprising: a shield body 1, which is a rigid plate with protective capabilities and can withstand frontal attacks; an observation window 2 is provided on the front surface of the shield body 1 to facilitate the operator's observation of the environment in front; and an observation lens 3 is installed at the front end of the observation window 2 to facilitate the recording of the observed situation. The auxiliary support component 5 consists of two parts. One part is installed at the user's upper arm position, and the other part is installed on the side of the shield body 1 close to the user. By connecting the two parts, the user's upper arm can be used to distribute the force, thereby reducing the burden on the operator when using the shield body 1. The dispersion component 4 is located on the inner wall of the shield body 1. A support pad 6 is provided at the end of the shield body 1 near the user to mitigate the impact. At the same time, a central processing unit 8 is hinged to the end of the support pad 6 near the user. The central processing unit 8 is electrically connected to the dispersion component 4 via wires to control the operation of the dispersion component 4. A groove is provided at the end of the support pad 6 near the user. A gas cylinder 10 is installed on the inner wall of the groove. The dispersion component 4 is used to connect to the gas cylinder 10 and guide the liquid or gas inside the gas cylinder 10 to be ejected, thereby realizing active dispersion control. The control component 7, located on the same side as the support pad 6, is electrically connected to the central processing unit 8 via a wire and is used to control the operation of the central processing unit 8.

[0020] The dispersion assembly 4 includes a transmission pipe 42, which is located on the inner wall of the shield 1. The transmission pipe 42 is composed of multiple interconnected pipes, one of which is an air inlet pipe, and the remaining pipes are air outlet pipes. The air inlet pipe opening penetrates the inner wall of the support pad 6 for connection to the gas cylinder 10. The remaining pipe openings penetrate the front surface of the shield 1 for spraying. A protective net 41 is installed on the front surface of the shield 1 to protect the opening of the transmission pipe 42. A support frame 49 is fixedly connected to the inner wall of the groove in the support pad 6. A connector 45 is rotatably connected to the outer wall of the support frame 49 via a pivot. The air inlet pipe opening is fixedly connected to the inner wall of the connector 45. When the connector 45 rotates, the air inlet pipe also rotates. The gas cylinder 10 is inserted into the inner wall of the connector 45 for connection to the air inlet pipe. The inner wall of the connector 45 is provided with… A rubber pad is used to achieve a sealed connection between the gas cylinder 10 and the transmission pipeline 42. A limit rod 46 is fixedly connected to the top of the rotating shaft of the connector 45. A limit plate 48 is provided on the upper surface of the support frame 49. Through the cooperation of the limit plate 48 and the limit rod 46, the rotation angle of the connector 45 can be limited to prevent the connector 45 from rotating arbitrarily. The rotating shaft of the connector 45 is elastically connected to the inner wall of the support frame 49 by a torsion spring 47. When the connector 45 is not restricted, the torsion spring 47 will pull the connector 45 to rotate it to an outward tilting state. The connector 45 will drive the gas cylinder 10 to rotate outward to a tilting state. This makes it convenient for the operator to pick up the gas cylinder 10 and also makes it convenient for the operator to insert a new gas cylinder 10. A locking component 9 is provided on the outer wall of the support pad 6. The locking component 9 is used to fix the central processor 8 and the gas cylinder 10.

[0021] A miniature air pump 43 is installed in the air inlet pipe of the transmission pipeline 42. The miniature air pump 43 is electrically connected to the central processing unit 8 via wires. The central processing unit 8 can control the operation of the miniature air pump 43. This set of miniature air pumps 43 is mainly used to control the opening and closing of the air inlet pipe and to provide power for the delivery of gas or liquid in the gas cylinder 10. Each set of air outlet pipes in the transmission pipeline 42 is equipped with a miniature air pump 43. The miniature air pump 43 is electrically connected to the central processing unit 8 via wires. The central processing unit 8 can control the opening and closing of the miniature air pump 43, thus realizing the active discharge of gas or liquid and the individual pipeline spraying regulation. The control component 7 includes a control handle 71, which is fixedly installed on the shield body 1 near the user. When operating the device, the control handle 71 can provide the operator with a grip. The upper end of the control grip 71 is equipped with a fingerprint recognition button 72. When the device is in operation, the fingerprint recognition button 72 can collect the user's fingerprint to confirm the user's information. A trigger 73 is installed on the outer wall of the control grip 71. The trigger 73 is electrically connected to the central processing unit 8 via a wire and is used to send a transmission signal to the central processing unit 8. The trigger 73 is a spring-loaded push button. When the operator needs to actively disperse the sludge, he / she needs to press the fingerprint recognition button 72 first, and then press the trigger 73. This sends a transmission signal to the central processing unit 8. After receiving the transmission signal, the central processing unit 8 activates the micro air pump 43 to spray gas or liquid. By setting the fingerprint recognition button 72, the traceability of the operation can be ensured, and the unauthorized personnel can be prevented from using the device at will.

[0022] The locking assembly 9 includes a compression pad 91, which is fixedly connected to the end of the central processing unit 8 near the gas cylinder 10. When the central processing unit 8 is rotated to close, the compression pad 91 will compress the gas cylinder 10 to prevent it from moving freely. A locking buckle 93 is slidably connected to the inner wall of the groove of the support pad 6. The locking buckle 93 can slide up and down the inner wall of the groove of the support pad 6. A fixing buckle 92 adapted to the locking buckle 93 is provided at the end of the central processing unit 8 near the locking buckle 93. When the locking buckle 93 moves upward, it can engage with the fixing buckle 92, thus fixing the central processing unit 8 and preventing it from opening freely. A fixing sleeve 94 is fixedly connected to the inner wall of the groove of the support pad 6. A sliding rod 96 is slidably connected through the lower surface of the fixing sleeve 94. A movable sleeve 95 is fixedly connected to the lower end of the sliding rod 96. When the movable sleeve 95 and the fixing sleeve 94 are close to each other, they can be combined to form a C-shaped buckle, which can fix the gas cylinder 10 and prevent the connector 45 from being pulled away freely. When the gas cylinder 10 rotates outward, the slide bar 96 and the locking buckle 93 are elastically connected to the inner wall of the groove of the support pad 6 through a set of return springs 910. The two sets of return springs 910 can provide support for the upward movement of the moving sleeve 95 and the locking buckle 93 respectively. The inner wall of the groove is also slidably connected to the unlocking plate 97, which can slide up and down on the inner wall of the groove. The moving sleeve 95 and the locking buckle 93 both pass through the unlocking plate 97, so the downward movement of the moving sleeve 95 and the locking buckle 93 will not be affected by the unlocking plate 97. At the same time, the outer walls of the moving sleeve 95 and the locking buckle 93 are provided with protrusions 99. When the unlocking plate 97 moves downward, it can squeeze the protrusions 99 to drive the moving sleeve 95 and the locking buckle 93 to move downward synchronously. In this way, the gas cylinder 10 and the central processor 8 can be unlocked at the same time. The top of the unlocking plate 97 is fixedly connected to the unlocking button 98, which passes through and slides on the upper surface of the support pad 6 for easy pressing by the operator.

[0023] In actual use, when the operator presses the unlock button 98, the unlock button 98 moves downward, causing the unlock plate 97 to move downward. The unlock plate 97 presses against the boss 99, causing the locking buckle 93 and the moving sleeve 95 to move downward. This releases the fixation of the gas cylinder 10 and the central processing unit 8. At this time, the torsion spring 47 drives the connector 45 to rotate. The rotation of the connector 45 causes the gas cylinder 10 to rotate outward, pushing the central processing unit 8 to rotate and open. When the gas cylinder 10 is rotated to a tilted position, the operator can remove it and replace it with a new gas cylinder 10. The inner wall of the groove is also fitted with... Equipped with a trigger switch 11, which is electrically connected to the central processing unit 8 via a wire, the trigger switch 11 is used to detect the opening and closing of the central processing unit 8. When the central processing unit 8 is closed, it will squeeze the trigger switch 11. When the trigger switch 11 is squeezed, it will send a signal to the central processing unit 8 to indicate that it has been closed. Only then can the central processing unit 8 work normally. When the trigger switch 11 is not squeezed, it will send a signal to the central processing unit 8 to indicate that the gas cylinder 10 is not installed correctly. In this case, even if the operator operates the control component 7, the spraying operation cannot be achieved.

[0024] The auxiliary support component 5 includes a fixing base 53, which is fixedly connected to the shield body 1 on the side closest to the user. Two sets of straps 52 are installed on the outer wall of the fixing base 53, with corresponding Velcro A and B sides on the surfaces of the two sets of straps 52, allowing the two sets of straps 52 to be connected via Velcro. The auxiliary support component 5 also includes an arm guard 59, which is directly fitted onto the outside of the user's upper and lower arms during use. Multiple sets of straps 52 are provided on the side closest to the user, facilitating the connection between the arm guard 59 and the user's upper and lower arms. A locking element 51 is located on the outer side near the user's elbow. The locking element 51 is I-shaped. A slot 54 for accommodating the locking element 51 is provided on the user side of the fixing base 53. When using the entire device, the operator can connect the arm guard 59 and the fixing base 53 by inserting the locking element 51 into the inner wall of the slot 54. A lower insertion block 56 and an upper insertion block 55 are slidably connected to the inner wall of the fixing base 53. The lower insertion block 56 and the upper insertion block 55 pass through and are slidably connected to the upper and lower ends of the inner wall of the slot 54, respectively. The lower insert 56 and the upper insert 55 are respectively inserted into the I-shaped groove on the outer wall of the locking member 51 to fix the auxiliary support component 5. The lower insert 56 is U-shaped, and its semi-enclosed outer side is provided with gear teeth on the side near the upper insert 55. The upper insert 55 is U-shaped, and its side near the inner wall of the lower insert 56 is also provided with gear teeth. The inner wall of the fixing base 53 is rotatably connected to the transmission gear 57, and the transmission gear 57 meshes with the two sets of gear teeth respectively. In this way, when one of the components of the lower insert 56 and the upper insert 55 moves, Another set of components will be driven to move automatically in the opposite direction. The lower insertion block 56 is elastically connected to the inner wall of the fixed base 53 through the locking spring 58. The locking spring 58 can provide power to the lower insertion block 56 so that it can clamp the outer wall of the locking member 51. The top of the upper insertion block 55 passes through and is slidably connected to the upper surface of the fixed base 53. When the operator needs to unlock the locking member 51, the upper insertion block 55 can be pulled to move the upper insertion block 55 upward. The upper insertion block 55 will drive the lower insertion block 56 downward through the transmission gear 57, thus unlocking the locking member 51.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An innovative multi-functional explosion-proof shield, characterized in that, include: The shield body (1) has an observation window (2) on its front surface. The auxiliary support assembly (5) includes a protective arm (59) installed at the user's upper arm position and a fixed seat (53) installed on the side of the shield (1) near the user. The protective arm (59) and the fixed seat (53) are detachably connected. The dispersing component (4) is disposed on the inner wall of the shield body (1). A support pad (6) is provided at the end of the shield body (1) near the user. A central processing unit (8) is hinged at the end of the support pad (6) near the user. A groove is provided at the end of the support pad (6) near the user. A gas cylinder (10) is installed on the inner wall of the groove. The central processing unit (8) is electrically connected to the dispersing component (4). The control component (7) is disposed on the same side as the support pad (6) and is electrically connected to the central processing unit (8); The dispersing component (4) includes a transmission pipe (42), one end of which is connected to the gas cylinder (10), and the other end of which penetrates the front surface of the shield (1).

2. The innovative multi-functional explosion-proof shield according to claim 1, characterized in that, The transmission pipeline (42) consists of an inlet pipe and an outlet pipe. The inlet pipe is connected to the gas cylinder (10), and the outlet pipe is used for spraying outwards. A miniature air pump (43) is installed in the air intake pipe, and a miniature air pump (43) is also installed in the air outlet pipe. The miniature air pumps (43) are electrically connected to the central processing unit (8). A protective net (41) is installed on the front surface of the shield (1), and the protective net (41) covers the opening through which the transmission pipe (42) penetrates the front surface of the shield (1).

3. The innovative multi-functional explosion-proof shield according to claim 2, characterized in that, The inner wall of the groove of the support pad (6) is fixedly connected to the support frame (49), and the outer wall of the support frame (49) is rotatably connected to the connector (45) through the rotating shaft. The opening of the air inlet pipe is fixedly connected to the inner wall of the connector (45), and the gas cylinder (10) is inserted into the inner wall of the connector (45). The rotating shaft of the connector (45) is elastically connected to the inner wall of the support frame (49) by a torsion spring (47). A limit rod (46) is fixedly connected to the top of the rotating shaft of the connector (45). A limit plate (48) that cooperates with the limit rod (46) is provided on the upper surface of the support frame (49). When the connector (45) is not restricted, the torsion spring (47) drives the connector (45) to rotate the gas cylinder (10) to an outward tilting state.

4. The innovative multi-functional explosion-proof shield according to claim 3, characterized in that, The outer wall of the support pad (6) is provided with a locking component (9), the locking component (9) comprising: A squeeze pad (91) is fixedly connected to one end of the central processing unit (8) near the gas cylinder (10) for squeezing the gas cylinder (10) when the central processing unit (8) is turned off. The locking buckle (93) is slidably connected to the inner wall of the groove of the support pad (6), and the central processing unit (8) is provided with a fixing buckle (92) that is adapted to the locking buckle (93). The fixing sleeve (94) is fixedly connected to the inner wall of the groove of the support pad (6); A movable sleeve (95) is connected to a sliding rod (96), which passes through and is slidably connected to the fixed sleeve (94). The movable sleeve (95) and the fixed sleeve (94) cooperate to form a buckle structure for fixing the gas cylinder (10). The locking buckle (93) and the slide bar (96) are elastically connected to the inner wall of the groove of the support pad (6) through a return spring (910).

5. The innovative multi-functional explosion-proof shield according to claim 4, characterized in that, The locking assembly (9) further includes an unlocking plate (97) slidably connected to the inner wall of the groove and an unlocking button (98) fixedly connected to the top of the unlocking plate (97). The movable sleeve (95) and the locking buckle (93) both penetrate the unlocking plate (97) vertically, and the outer walls of the movable sleeve (95) and the locking buckle (93) are provided with protrusions (99). When the unlock button (98) is pressed, the unlock plate (97) moves downward. The unlock plate (97) presses the boss (99), causing the movable sleeve (95) and the locking buckle (93) to move downward synchronously, thereby simultaneously releasing the locking buckle (93) from the engagement with the fixed buckle (92) and the fixation of the movable sleeve (95) to the gas cylinder (10).

6. The innovative multi-functional explosion-proof shield according to claim 4, characterized in that, The inner wall of the groove is also equipped with a trigger switch (11), which is electrically connected to the central processing unit (8); When the central processing unit (8) closes and squeezes the trigger switch (11), the trigger switch (11) sends a closing completion signal to the central processing unit (8); when the trigger switch (11) is not squeezed, it sends a signal to the central processing unit (8) that the gas cylinder (10) is not installed correctly.

7. The innovative multi-functional explosion-proof shield according to claim 1, characterized in that, The control assembly (7) includes a control grip (71) fixedly installed on the shield body (1) near the user. The upper end of the control grip (71) is provided with a fingerprint recognition button (72), and a trigger (73) is installed on the outer wall. The fingerprint recognition button (72) and the trigger (73) are both electrically connected to the central processing unit (8). The trigger (73) is used to send a transmission signal to the central processing unit (8) to control the dispersing component (4) to work.

8. The innovative multi-functional explosion-proof shield according to claim 1, characterized in that, The arm guard (59) is provided with an I-shaped locking member (51) on the side near the fixed base (53), and the fixed base (53) is provided with a slot (54) for accommodating the locking member (51) on the side near the user. The inner wall of the fixed base (53) is slidably connected with an upper insert block (55) and a lower insert block (56), and the upper insert block (55) and the lower insert block (56) respectively pass through and are slidably connected to the upper and lower ends of the inner wall of the slot (54); The lower insert (56) is elastically connected to the inner wall of the fixed seat (53) by a locking spring (58).

9. An innovative multi-functional explosion-proof shield according to claim 8, characterized in that, The lower insert (56) is configured in a U-shape and partially surrounds the outside of the upper insert (55). The lower insert (56) has gear teeth on the side near the upper insert (55). The upper insert (55) is convex in shape, and gear teeth are provided on the side near the inner wall of the lower insert (56); The inner wall of the fixed base (53) is rotatably connected to a transmission gear (57), which meshes with the teeth of the upper insert block (55) and the lower insert block (56) respectively, so that the upper insert block (55) and the lower insert block (56) can move synchronously in opposite directions.

10. An innovative multi-functional explosion-proof shield according to claim 1, characterized in that, An observation lens (3) is installed at the front end of the observation window (2), and the observation lens (3) is used to record the observed situation.

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