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113results about "Shields" patented technology
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Handgun stabilizer and methods
An apparatus and methods are provided for a handgun stabilizer that enables a shooter to very accurately fire a handgun while remaining well protected by a ballistic shield and looking through a bullet resistant viewing window comprising the ballistic shield. A high visibility green laser sight / high output white light illumination system may be mounted onto the handgun for aiming and illumination, with the handgun being precisely and removably mounted to the side of the handgun stabilizer at a location where the handgun's grip can be ergonomically grasped in the shooter's dominant hand, both for operating the handgun and for controlling the position and orientation of the ballistic shield for aiming purposes. An interface that enables the handgun to be precisely and removably mounted to the handgun stabilizer may comprise a quick-draw holster that is mounted directly onto the handgun stabilizer.
Owner:SUREFIRE LLC
Carry assist harness system
A carry harness system includes a support belt arranged to encircle a user's waist; a shoulder harness arranged to lay over the user's shoulders on opposite sides of the user's head; two front belt support straps arranged to be on a front side of the user and extending between the shoulder harness and the support belt; two rear belt support straps arranged to be on a rear side of the user and extending between the shoulder harness and the support belt; two post receivers supported on the support belt on the rear side; and two posts. The posts are arranged spaced-apart on the rear side, fit into the receivers and extending vertically between the post receivers and a vertical elevation above the shoulder harness. The two posts are fixed to the shoulder harness and have strap connections at tops of the posts. Two object support straps extend between the strap connections forwardly and obliquely to attachments on a rear side of the object to be carried.
Owner:DANIEL SPYCHALSKI
Innovative multi-functional blast shield
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.
Owner:GUANGDONG POLICE COLLEGE (GUANGDONG PROVINCIAL PUBLIC SECURITY JUDICIAL MANAGEMENT CADRE COLLEGE) +1
Compact ballistic shield with offset spaced components for improved performance
A multi-piece ballistic shield is provided with a first shield having an outward face exposed to projectiles and an opposing inward face. The first shield having a first offset layer mechanically coupled to a first section of the outward face of the first shield and a second offset layer mechanically coupled to a second section of the outward face of the first shield. The multi-piece ballistic shield further includes a second shield having an outward face exposed to projectiles and an opposing inward face. The second shield is detachably coupled to the first shield such that the second offset layer overlaps a seam formed between the first and second shields. The multi-piece ballistic shield includes a harness coupled to a fastener to support a weight of the multi-piece ballistic shield.
Owner:TERVOLA TIMO OLAVI
Explosion-proof shield
The utility model discloses an anti-explosion shield, and belongs to the technical field of shields. The anti-explosion shield comprises a shield back plate, the front end of the shield back plate is fixedly connected with an anti-explosion shield plate, a holding mechanism is arranged above the rear end of the shield back plate, and a fixing mechanism is arranged below the rear end of the shield back plate. The arc-shaped design of the anti-explosion shield plate enables impact force to be dispersed to the whole shield frame along the curved surface, and breakage caused by single-point stress concentration is avoided. According to the structure, impact force is evenly conducted to the shield back plate, the local damage risk is reduced, the overall shock resistance of the shield is improved, and the safety of a shield holder is effectively protected. The buffer hard rubber strip and the connecting strip are arranged in the hollow area between the anti-explosion shield plate and the shield back plate, when the shield is impacted, the buffer hard rubber strip and the connecting strip absorb energy through compression deformation, the impact action time is prolonged, and the instantaneous impact force peak value is reduced. By means of the design, vibration transmission can be greatly weakened, and arm tremor or injury caused by violent impact of a shield holder is prevented.
Owner:JIANGXI ZHANSHEN IND CO LTD
Compact collapsible ballistic body armor system
A collapsible ballistic body armor system having a linear arrangement of two to four armor panels in a deployment condition defining a rectangular prism array of armor panels shielding the front of the user. Each adjacent armor panel is interconnected along their respective edges by a hinge connection so that the collapsible ballistic body armor system is movable between the deployment condition and a folded position. In the deployment condition, a cover panel pivotably attached to each armor panel pivots to cover a gap between each adjacent armor panel. The system provides a neck strap from which initial deployment may be achieved under the urging of gravity.
Owner:GLENN TYLER
Boltless viewport assembly for a ballistic shield
A boltless viewport assembly for a ballistic shield can include a piece of ballistic glass; a body side viewport retention sleeve, a ballistic glass holder sleeve, and a strike face side ballistic glass holder retention sleeve. The body side viewport retention sleeve can include a body side flange and an aperture insertion portion. The ballistic glass holder sleeve can include an aperture sleeve portion and a ballistic glass nest portion. The strike face side ballistic glass holder retention sleeve can include a strike face side flange. The ballistic glass can be placed in the ballistic glass holder sleeve, and the body side viewport retention sleeve can be attached to the ballistic glass holder sleeve. The strike face side ballistic glass holder retention sleeve can be attached to the ballistic glass holder sleeves.
Owner:AMBITEC INC
Multifunctional integrated police arm shield
The utility model relates to the technical field of police equipment, in particular to a multifunctional integrated protective police arm shield which comprises a PC board, anti-chopping strips are fixedly connected to the periphery of the PC board, a buffer layer board is arranged at the bottom of the PC board, a honeycomb layer board is fixedly connected to the outer wall of the buffer layer board, and the honeycomb layer board is composed of a plurality of honeycomb-shaped hexagonal unit structures. And the outer wall of the honeycomb laminate is fixedly connected with a damping laminate. When the arm shield is impacted, the pressure sensor monitors impact force in real time, the damping laminate adjusts damping characteristics in a self-adaptive mode according to impact strength, energy is converted into heat energy through internal molecular friction and internal friction under high-strength impact, transmission of force is delayed, the honeycomb laminate evenly disperses the impact force through a honeycomb structure, local stress is prevented from being too large, and the service life of the arm shield is prolonged. The buffer sponge of the buffer layer plate absorbs the residual impact force again, so that the arms of the police officers are effectively protected in an all-around and multi-layer manner, and the protection capability of the arm shield on the police officers in a complex dangerous scene is remarkably improved.
Owner:JIANGSU YINAN SECURITY TECH CO LTD
A folding hard shield with a bulletproof window
The utility model relates to hard shield technology field especially, and more particularly to a folding hard shield containing bulletproof window, the utility model provides such a folding hard shield containing bulletproof window, including positive face shield board, hinged frame, energy absorption board and side shield board etc. Three positive face shield boards are arranged longitudinally, and the positive face shield board in the middle is located more forward, each two positive face shield boards are symmetrically connected with the hinged frame, the positive face shield board is internally provided with the energy absorption board, and the two sides of the three positive face shield boards are rotatably connected with the side shield board. The utility model is provided with the hinged frame and the multi-module design, the shield can realize 180 degrees folding of three layers of positive face shield boards and 270 degrees rotary folding of the side shield board, the volume is reduced by more than 60% after folding, which is convenient for transportation and carrying, and is especially suitable for rapid deployment and narrow space operation.
Owner:HEBEI WEIDU SAFETY PROTECTION EQUIP CO LTD
A three-section foldable rigid ballistic shield
The utility model relates to safety protection equipment technical field especially relates to a three -segment formula foldable rigid bulletproof shield, the utility model provides such a three -segment formula foldable rigid bulletproof shield, including main shield board, right shield board, left shield board, folding locking mechanism and fixed plate etc. The utility model discloses a three -segment formula foldable rigid bulletproof shield, including main shield board, right shield board, left shield board, folding locking mechanism and fixed plate etc., and the left shield board and right shield board are symmetrically arranged between the left shield board and right shield board of main shield board left and right sides are equipped with folding locking mechanism, and the left and right sides of the rear part of main shield board are all fixed with a plurality of fixed plates.
Owner:HEBEI WEIDU SAFETY PROTECTION EQUIP CO LTD
Telescopic shield
The utility model provides a telescopic shield, which relates to the technical field of shields and is characterized in that a telescopic shield component and a driving component are arranged in a matched manner, and the telescopic shield component is driven by driving force generated by the driving component to move relative to a fixed shield, so that the telescopic shield component is driven to extend out of an accommodating space or extend into the accommodating space; the anti-impact shield has the advantages that the anti-impact area of the whole shield is increased or reduced, tactical guide rails are arranged on the mounting base, other accessories can be selectively mounted, the anti-impact shield is wider in applicability, and the technical problems that a traditional shield in the prior art generally adopts a fixed-size design, and the area of the shield cannot be freely adjusted according to actual conditions are solved.
Owner:上海公安学院
Rotary self-locking hinge and combined shield comprising same
The rotary self-locking hinge comprises a first base, a plug pin assembly, a second base and a third base, the second base and the third base are rotationally connected, the first base and the third base are fixed to two adjacent parts respectively, the second base can turn over between the two parts, and the third base can turn over between the two parts. The plug pin assembly is connected with the first base, the plug pin assembly reciprocates between a locking position and an unlocking position, and when the plug pin assembly is located at the locking position, the plug pin assembly can be pressed on the upper surfaces of the first base and the second base at the same time, so that rotation of the second base is restrained. According to the rotary self-locking hinge, the second base and the first base are locked through the plug pin assembly, in the locking state, the rotary self-locking hinge has the same function as a common hinge, connection of the two parts can be achieved, when the plug pin assembly is unlocked, the second base can be separated from the first base, and the rotary self-locking hinge is convenient to use. Therefore, the adjacent parts can be quickly dismounted.
Owner:JIANGSU WUWEI POLICE EQUIP MFG
A security shield with strong buffering function
The present application belongs to the security tool technical field, especially to a security shield with strong buffering function, comprising: a shield frame, which constitutes the main body architecture of the shield, a first-level protection buffer plate slidingly arranged at the opening of the shield frame, a second-level protection air bag installed on the inner side of the first-level protection buffer plate, a third-level protection force relief plate installed in the shield frame on the side of the metal plate facing the first-level protection buffer plate, a control terminal elastically clamped on the metal plate on the back side of the shield frame, and arranged at one end of the arm fixing piece, the control terminal being used for controlling the start and stop of the moving power mechanism and the exhaust valve. The shield has an automatic buffering strength adjustment function, ensures effective use of resources, has high safety, intelligent control and convenient operation.
Owner:HANGZHOU XIACHENG SECURITY SERVICE CO
Multifunctional tactical bulletproof blanket
The utility model relates to the field of bulletproof blankets, in particular to a multifunctional tactical bulletproof blanket which comprises a fiber inner container, a waterproof bag and an outer sleeve, the waterproof bag and the outer sleeve are of a bag body structure, the fiber inner container is arranged in the waterproof bag, a low-pressure environment is formed in the waterproof bag through vacuumizing, an opening of the waterproof bag is sealed through heat sealing, and the waterproof bag is sleeved with the outer sleeve. The bulletproof blanket has the effect of improving the overall bulletproof capacity when the bulletproof blanket is hung.
Owner:SHANGHAI LIANBO SECURITY EQUIP
Flexible portable explosion protection device capable of being rapidly inflated, folded and unfolded
The invention discloses a flexible portable explosion protection device capable of being rapidly inflated, folded and unfolded, and relates to the field of explosion impact protection. The device comprises a protection structure, a bracelet, an unlocking button and a gas generator, the protection structure is divided into a folded state and an unfolded state, the protection structure is in a cuboid or cylindrical shape in the folded state and covers the shoulders and the chest after being unfolded, and the gas generator releases gas to drive the protection structure to be rapidly unfolded by pressing the unlocking button; the protective structure is made of a fiber reinforced flexible resin composite material plate, and a high-storage-ratio design is realized by combining a Sanpu paper folding technology. According to the invention, the survivability of a protected object under the attack of unmanned aerial vehicle bombs or short-distance grenades and grenade fragments can be remarkably improved, and the device has the advantages of light weight, quick response, comprehensive protection and efficient storage.
Owner:NAT UNIV OF DEFENSE TECH
Composite anti-riot device
The utility model discloses a composite anti-riot appliance, which comprises an anti-riot fork and an anti-riot shield, the anti-riot shield is arranged on a rod body of the anti-riot fork, a handle is arranged on the anti-riot shield, the handle comprises a sleeve handle, the sleeve handle is positioned on one side, far away from the anti-riot fork, of the anti-riot shield, and the rod body penetrates through the sleeve handle and the anti-riot shield in a sliding manner. The handle is installed on the anti-explosion shield, the rod body penetrates through the handle in a sliding mode, when the anti-explosion shield is used, the handle is held by one hand, the rod body is held by the other hand, and when the anti-explosion fork is inserted back and forth, the anti-explosion shield does not move back and forth along with the anti-explosion fork, so that back-and-forth insertion resistance of the anti-explosion fork is reduced, and use is more convenient.
Owner:YANGTSE RIVER SANXIA IND CO LTD +1
Device for protecting mobile and fixed objects
The invention relates to the field of protecting mobile and fixed objects stationed on land or water. A device for protecting mobile or fixed objects against strike elements comprises a plunger-driven air compressor or an oil pump, mounted inside a fastening module that is connected to a source of rotation. The source of rotation is connected to a support module. Fastened inside the support module at an angle to the horizontal is a rotating module having a housing inside which a pinion shaft of a drive of a drum is fastened. Mounted inside the drum are cable-bearing reels, or a block of cable-bearing reels connected into one. Drive torque is transmitted from the source of rotation to the drum by a drive pinion which meshes both with a gear of the rotating module inside the support module and with a double idler gear. The double idler gear transmits rotation to the pinion shaft of the drive of the drum, causing the cables to be paid out as the drum rotates. The result is that of providing protection for mobile and fixed objects against strike elements.
Owner:LUSHNIKOV KONSTANTIN VIKTOROVICH
Protective shield for guiding individuals
The present disclosure provides a protective shield comprising a barrier having a first major surface and a second major surface configured to block contact between a guider and a person being guided. A first handle is attached to the first major surface and configured to be placed over the shoulder of the guider. A second handle is attached to the second major surface and configured to be grasped by the person being guided. The barrier may include a rigid connection portion, with the first and second handles attached to opposite sides. The shield may be flexible, and the handles may be detachable. The barrier can be transparent, and the handles may be portions of a single adjustable strap that slides through the barrier.
Owner:BROWN CALVETTE
Device for controlling crowds, for installation in a vehicle
ActiveDE602023018359T2DeflectorsRailway wheel guards/bumpersElectrical and Electronics engineeringReal-time computing
Owner:KNDS FRANCE
Bulletproof composite material and preparation method and application thereof
The invention relates to the technical field of protective materials, in particular to a bulletproof composite material and a preparation method and application thereof.The bulletproof composite material comprises a toughening layer, a buffer layer and a rigid layer which are sequentially stacked from outside to inside; the toughening layer comprises at least one layer of outer-layer prepreg consisting of aramid fibers and a first thermosetting resin system; the buffer layer comprises at least one layer of middle-layer prepreg consisting of aramid fibers and a second thermosetting resin system; the rigid layer comprises at least one layer of inner-layer prepreg consisting of aramid fibers and a third thermosetting resin system; wherein the mass contents of the first thermosetting resin system, the second thermosetting resin system and the third thermosetting resin system in the bulletproof composite material are different. The bulletproof composite material disclosed by the invention realizes a gradient structure of'tough outside, slow middle and rigid inside ', has light weight, forming quality and protective performance, and can be widely applied to bulletproof helmets, protective vests and other protective structure materials.
Owner:CTA HI TECH TEXTILES
Expandable tactical shield bag
The expandable tactical shield bag comprises a bag body, storage grooves, connecting grooves, expansion plates, side plates, toothed plates, adjusting assemblies, limiting assemblies, protective plates, catching grooves and magnetic attraction blocks, the storage grooves are formed in the two sides of the bag body, the connecting grooves are formed in the sides, close to each other, of the interiors of the storage grooves, the expansion plates are connected into the storage grooves in a sliding mode, and the toothed plates are arranged on the side plates. The side plates are fixedly connected to the sides, away from each other, of the expansion plates, the toothed plates are installed in the connecting grooves and fixedly connected to one sides of the expansion plates, the tooth directions of the two toothed plates are aligned with each other, the adjusting assembly is installed in the connecting grooves, the limiting assembly is installed in the connecting grooves, the protection plate is rotationally connected to the lower portion of the front end of the bag body, and a buckling groove is formed in the upper end of the protection plate. And magnetic blocks are fixedly connected to two sides of the upper part of the front end of the bag body and two sides of the upper part of the rear end of the protective plate. By arranging the expandable bag body structure, the protection range can be flexibly adjusted according to actual combat requirements.
Owner:BEIJING CONTROL INSURANCE CONSULTING CO LTD
Control shields, control rods and their combinations
To provide a control shield which is multi-functional and is excellent in pressure-control performance and a control rod which is multi-functional and is excellent in pressure-control performance.SOLUTION: A control shield comprises a strike protection part having a rib structure obtained by bending a periphery of a first lateral part of a shield body toward a back surface side, a piercing protection part having a consecutive projection part obtained by forming the periphery of a second lateral part of the shield body in a consecutive chevron shape, and an attack part having a tip obtained by forming an upper part of the shield body in the chevron shape. A control rod has a drawn sword part in a sword shape and comprises a lower limb constraint part obtained by forming a curved recess part, an upper limb constraint part also used as a strike part obtained by forming the curved recess part and a strike part also used as an upper part grip part obtained by forming a tapered point successively toward a tip direction at a front end of the drawn sword part. A combination of the control shield and the control rod comprises the control shield including a carrier part obtained by providing a first engaging member at a front surface of the shield body and the control rod including a detachment part obtained by providing a second engaging member detachably engaging with the first engaging member at a lateral surface of the drawn sword part.SELECTED DRAWING: Figure 18A
Owner:TAMURA EQUIP DEV CO LTD
Anti-riot shield with good impact resistance
The utility model relates to the technical field of anti-riot shields, in particular to an anti-riot shield with good impact resistance, which comprises an anti-riot shield plate. The rotating plate is rotated to drive the limiting plate to rotate to be in contact with one side of one group of ratchet blocks, at the moment, one group of springs push the ratchet blocks to abut against the limiting plate, and then the second adjusting plate is pulled to drive a gear outside the second toothed plate to start to rotate; the gear rotates to drive a first adjusting plate outside a first toothed plate to slide in the anti-riot shield plate, through the operation, a second adjusting plate and the first adjusting plate can slide out of the anti-riot shield plate, so that the size of the device is adjusted, after size adjustment is completed, a rotating plate is reset, at the moment, two sets of springs push ratchet blocks to limit ratchet wheels correspondingly, and the anti-riot shield plate is driven to rotate. The adjusting state of the anti-riot shield plate is kept, the adjusting mechanism is beneficial to adjusting the size of the protective equipment according to the body shape of a person or a specific use scene, and then the protective effect and the comfort degree of a user are improved.
Owner:TIANJIN FANGYUAN POLICE EQUIP MFG CO LTD
PC shield capable of being modularly combined
Owner:SUZHOU BEIERSI BOARD CO LTD
Flexible protection armor for explosion in ship cabin, ship cabin and protection method
The invention provides a flexible protection armor for explosion in a ship cabin, the ship cabin and a protection method, and relates to the technical field of ship structure protection armor. The protective armor comprises a conveying pipeline and a flexible protective armor module, the flexible protective armor module comprises a bag body, the bag body is a flexible component and is internally provided with a cavity, the cavity of the bag body is communicated with the conveying pipeline, a spray valve is installed on the bag body, and the spray valve is communicated with the cavity of the bag body. The ship cabin comprises a ship cabin wall plate, the conveying pipeline is arranged on the wall plate of the ship cabin, and the bag body is unfolded. The protection method comprises the steps that the exhaust valve is opened, and liquid is conveyed into the bag body from the conveying pipeline; in the process of filling the bag body with the liquid, the bag body is gradually opened until the bag body is completely unfolded to reach a full state, and the exhaust valve is closed; the spray valve is opened, and the spray valve sprays high-speed jet mist clusters. The protective armor can be folded and unfolded, the occupied space is small, and solid-liquid coupling double-phase protection is achieved through the ejected high-speed jet flow mist cluster and the capsule body.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
MOBILE PROTECTIVE WALL WITH ENERGY ABSORPTION
Owner:INNOMOTIVE SAFETY SYST
Fence shield with folding ground supporting rods
The utility model discloses a fence shield with folding ground supporting rods, and relates to the technical field of fence shields. The shield comprises a shield body, a rotating supporting assembly is arranged on the back face of the shield body, an adjusting assembly is arranged in the rotating supporting assembly, an elastic fixing assembly is arranged between the rotating supporting assembly and the adjusting assembly, and a locking assembly is arranged between the elastic fixing assembly and the rotating end of the rotating supporting assembly. The shield body can form the best inclined supporting posture by rotating the rotary supporting assembly, inclining the rotary supporting assembly and pulling the adjusting assembly to adjust the length between the rotary supporting assembly and the adjusting assembly, and the shield body can be in the best inclined supporting posture by means of the composite adjusting mechanism. The mechanical conduction path can effectively decompose impact load into interaction force between the supporting assemblies, impact energy directly acting on the human body is remarkably reduced, and therefore the protective efficiency of the enclosure shield is maximized and optimized while the operation safety of the enclosure shield is guaranteed.
Owner:JIANGSU RUICHENG MINGCHUANG EQUIP MFG CO LTD
Assembling method of modular sports shield with wall decoration and security protection functions
PendingCN121677477ADecorative surface effectsSpecial ornamental structuressports equipmentStructural engineering
The invention discloses an assembly method of a modular sports shield with wall decoration and security functions, and relates to the technical field of manufacturing of sports equipment and archaized ornaments.The assembly method of a base material forming module comprises the steps that fir or basswood high in strength, light in weight and good in toughness is selected as a base material, and the water content of the base material is controlled to range from 8% to 12%; cutting the base material, placing the cut base material in a customized arc-shaped mold, and carrying out hot pressing for 20-30 minutes at the temperature of 120-150 DEG C and the pressure of 0.8-1.2 MPa to form a wood base layer of a cylindrical cambered surface structure with the inner diameter of 100 cm; according to the shield, the wood base layer subjected to hot press molding is polished, and on the premise that the structural strength and impact resistance of the manufactured shield are guaranteed, light weight is achieved, and the shield is more suitable for the requirements for flexibility and durability in martial arts, soldier strikes, full metro, historical replay and other physical exercises; and due to the customized design of the grip system and the introduction of a buffer pad, the comfort degree of long-time holding is improved, and the feeling of fatigue is reduced.
Owner:杨洁
Multifunctional protective shield
The utility model belongs to the technical field of protective shields, and particularly relates to a multifunctional protective shield which comprises a protective shield body, a window is formed in the front face of the protective shield body, a handle is fixedly connected to the back face of the protective shield body, and a fixing shell is fixedly connected to the lower portion of the back face of the protective shield body. The inner wall of the fixed shell is rotatably connected with a screw rod, the upper end of the screw rod is fixedly connected with a rotating disc, the rotating disc is rotatably connected with the fixed shell, the outer side of the screw rod is in threaded connection with a moving rod, and the moving rod is slidably connected with the fixed shell. According to the scheme, the illuminating lamp is arranged, so that the protective shield has a good illuminating effect, the use multifunctionality of the protective shield is improved, the position of the illuminating lamp can be adaptively adjusted for use under the driving of the motor, and the output shaft of the motor can be limited under the structures such as a round hole and a round rod; and the position of the illuminating lamp is positioned and used.
Owner:KASHGAR JIANGNAN SECURITY SERVICE CO LTD
A portable millimeter wave active denial shield
The application discloses a portable millimeter wave active denial defense riot shield, which comprises a shell and further comprises a supporting assembly for providing support for the shield and an adjusting assembly for adjusting the height of the shield; the supporting assembly comprises a shield, supporting rods, a sliding cylinder and a screw rod A; the shield is hinged to the shell through a hinge base at the bottom end of the shield; two supporting rods are respectively hinged to the shield at two sides of the shield; the other ends of the two supporting rods are respectively hinged to the sliding cylinder through hinge bases on the other ends; the sliding cylinder is slidingly connected to the shell; the screw rod A is threadedly connected to the axis of the sliding cylinder; the screw rod A is rotationally connected to the shell in the shell; and the shield is connected to the adjusting assembly; and the shield can be effectively prevented from being knocked down by impact.
Owner:INST OF APPLIED ELECTRONICS CHINA ACAD OF ENG PHYSICS