Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

34results about How to "Ensure safe escape" patented technology

Firefighting skylight control system based on solar power supply and Internet of things technology and application thereof

The invention relates to a firefighting skylight control system based on a solar power supply and an Internet of things technology. The firefighting skylight control system comprises a firefighting skylight arranged on the top of a building, a mains supply-solar power supply conversion unit, a sensor node network unit, an intelligent terminal unit and a firefighting monitoring center. The mains supply-solar power supply conversion unit comprises a battery pack which is connected with an urban power grid and a solar panel respectively and is used for supplying power to a user load through an inverter and a changeover device when the mains supply is cut off; the urban power grid directly supplies power to the user load through the changeover device. By adopting the control system, smog alarm can be made in time, and a fire smog system can be started automatically. The control system is suitable for building firefighting on public places. A scheme for taking the Internet of things technology and solar energy as backup power supplies is put forward specific to the defects of the conventional firefighting system, thereby bringing great convenience to firefighting management.
Owner:SHANDONG UNIV

Intelligent firefighting equipment for escape route guidance

The invention relates to the technical field of public safety, and in particular to intelligent firefighting equipment for escape route guidance. The equipment comprises racks, induction devices, communication modules, emergency power supplies, alarm devices, guidance devices, servers and a controller, wherein the racks are installed on the inner walls of in a building; the induction devices are distributed on the walls, ceilings and racks in the building; the communication modules, emergency power supplies and alarm devices are installed on the racks; the guide devices are distributed on theground and racks at the respective intersections of the rack corridor; the communication modules, emergency power supplies, alarm devices and guidance devices are all electrically connected to the controller; and the induction devices and the servers are all in communication connection to the communication modules. The equipment can effectively reduce the impact of smoke on the escape guidance during a fire, and can give different guidance to the persons in the building in terms of the severity of the fire to avoid unnecessary accidents due to panic.
Owner:重庆特斯联智慧科技股份有限公司

Control system and method of smoke-removing fireproof fire-fighting staircase

The invention relates to the technical field of fire-fighting, in particular to a control system and method of smoke-removing fireproof fire-fighting staircase. The staircase comprises upper stairs, lower stairs, a wall and a fireproof door, wherein the wall is coated with fireproof layers, and a fire hydrant is arranged on the wall and located above a platform; and the input end of a controller is connected with a smoke alarm, the smoke alarm is arranged on the wall and used for detecting the concentration of smoke in the staircase, and the controller is connected with a smoke exhauster whichis used for exhausting smoke in the staircase. When a fire disaster occurs, people can escape to the staircase for escape, and the fireproof door and the fireproof wall can effectively prevent further spreading of the fire behavior; and when the smoke alarm in the staircase detects that the concentration of the smoke in the staircase exceeds a set value, the smoke alarm sends a signal to the controller and gives an alarm, and meanwhile, the controller controls the smoke exhauster to be started to exhaust the smoke out of the staircase so that the situation that air cannot circulate due to much smoke in the staircase can be avoided, and it can be effectively guaranteed that people can escape safely.
Owner:苏州安省建筑设计有限公司

Screw capable of being quickly disassembled

The invention discloses a screw capable of being quickly disassembled. The screw comprises a screw cap and a screw rod, wherein a plurality of clamping grooves are formed in the inner side wall of the screw cap, a limiting block is arranged in the screw cap, a pulling piece is arranged at the top end of the limiting block, and the top end of the pulling piece penetrates through the screw cap to be arranged outside; and a part of the screw rod is hollow, the screw rod is provided with buckles, and the buckles are matched with the clamping grooves. The screw can be quickly disassembled through the clamping grooves, the buckles, the limiting block and the pulling piece, so that the purposes of rapidly disassembling the screw and ensuring safe escape are achieved.
Owner:高振鹏

Escape system

The invention provides an escape system. The escape system comprises a gas bottle, a bottle valve pressure reducer, a gas supply pipeline and a head cover; an exhalation valve is arranged on the headcover; the gas bottle and the gas supply pipeline are connected with the bottle valve pressure reducer; the gas supply pipeline is connected with the head cover through a fast-connection connector; and the gas supply time of the escape system is no less than 10 min, and the gas supply flow of the gas bottle is 17.3 L / min. According to the escape system, compared with escape systems in the currentmarket, the size and weight are smaller, the gas supply time is sufficient, the using efficiency is improved greatly, and it is efficiently guaranteed that a user escapes an accident site safely.
Owner:抚顺龙云智能科技有限公司

Intelligent fire exit door

The invention discloses an intelligent fire door, and specifically relates to the technical field of intelligent security equipment. It includes a door body, a water spray pipe, a water pump, a water storage tank, and a smoke sensor. A water spray pipe is arranged above the door body, the water storage tank is arranged on both sides of the door body, and the water spray pipe is connected to the water pump arranged in the water storage tank , the smoke sensor is arranged on the door body, and the smoke sensor is connected with the water pump. The water spray pipe is also provided with a water outlet, which is convenient for spraying water to reduce the concentration of dense smoke. The water outlets are evenly distributed on the outer wall of the water spray pipe along the length direction of the water spray pipe, which is convenient for spraying water over a large area to reduce the concentration of dense smoke. The invention has the advantages of simple structure, high safety performance, automatic water spraying in the environment of dense smoke, reducing the concentration of dense smoke, ensuring people's escape safety and the like.
Owner:ANHUI RUNGU NETWORK SCI & TECH

Vehicle-mounted winch system capable of adjusting direction

InactiveCN107719041APrevent prolapsePlay a secondary anti-shedding effectTowing devicesEngineeringWinch
The invention discloses a vehicle-mounted winch system capable of adjusting direction. The system is characterized by comprising a longitudinal slot formed at the front end of a via hole and penetrating forward; a transverse slot intersected with the longitudinal slot is formed in a cross beam; a bent slot bending leftward is formed in the front end of the via hole; a C-shaped hook body is arranged on a built-in hook; the lower part of the C-shaped hook body is connected to a traction rope; the lower portion of the C-shaped hook body is matched in the longitudinal slot; the front end of the C-shaped hook body is exposed out of the cross beam; the opening portion of the C-shaped hook body faces the transverse slot on the right side; a round tube in contact with the wall of the transverse slot and the lower end of the opening of the C-shaped hook body is arranged between the opening portion of the C-shaped hook body and the transverse slot; end covers are arranged at the notches of the transverse and longitudinal slots, so that the traction rope does not shift, and the vehicle-mounted winch system is good in direction directivity, can provide proper traction for vehicles and ensuressafe breakout.
Owner:山东梁山義企重工机械股份有限公司

Rapid escape equipment for high floor

The invention provides rapid escape equipment for a high floor. The technical effect of rapid safe escape from the high floor under the conditions of outbreak of fire and the like is achieved. The equipment comprises a fixing device, a rope winding device and a riding device. The fixing device is installed on the inner and outer sides of a balcony and particularly comprises symmetrically-arrangedclamping adjusting devices and two supporting fixing frames matched with the clamping adjusting devices, the supporting fixing frames are of telescopic structures and provided with multiple telescopicrod adjusting holes so as to adapt to different balcony sizes and adjust the fixing width, the rope winding device comprises a bearing rope, a rope sheave, friction belts, friction wheels, friction pieces and a rope sheave support, the supporting fixing frames and the rope sheave are connected through the bearing rope, and the rope winding device has the decelerated rope winding function. The riding device is arranged below the rope winding device, the bottom of the riding device is provided with a buffer base, and particularly the bottom of the riding device is provided with multiple springforming clamping plate structures. The rapid escape equipment further has the advantages of being convenient to install, high in applicability, easy and convenient to operate, safe, reliable and the like.
Owner:SHANDONG UNIV OF SCI & TECH

Slow descent method for high-altitude escape and high-altitude escape device

InactiveCN105749436AEnsure safe escapeAccurate calculation of braking torqueBuilding rescueImpellerDamping torque
The invention discloses a slow descent method for high-altitude escape and a high-altitude escape device using the slow descent method. The method utilizes a reverse damping torque generated when a rotor impeller and a stator impeller rotate at a high speed relatively in oil liquid to suppress the rotating speed of the rotor impeller, the device mainly comprises a descent control device, a life-saving rope and a fixing device, wherein the descent control device comprises the stator impeller, the rotor impeller, a shell and a shaft, the stator impeller and the rotor impeller are of two disc structures which are oppositely placed and capable of rotating relative to each other and having front inclined blades on two opposite surfaces respectively, the stator impeller and the shell are fixedly and hermetically connected to form a sealed space filled with oil, the rotor impeller is placed in the sealed space and can rotate relative to the stator impeller and the shell through the shaft, one end of the life-saving rope is connected to the shaft, and the other end thereof is connected with a user or life-saving equipment. The slow descent method disclosed by the invention is safe and reliable, and the high-altitude escape device disclosed by the invention is simple in structure, safe and firm, convenient to operate and wide in application range.
Owner:GUANGDONG COMM POLYTECHNIC

Underground protective and intelligent safety waistcoat device

The invention discloses an underground protective and intelligent safety waistcoat device comprising a waistcoat body (1), and the waistcoat body (1) is connected with a power device through an elastic string (3); a control signal output end of a control unit (5) is connected with a start-stop control end of the power device; and a monitoring device is connected with the control unit. Solved are the technical problems that due to an underground special geographical environment, in-time rescuing cannot be achieved through the currently various protection measures, once accidents happen, it cannot be ensured in the prior art that miners escape from energy in time, and the miners can still be damaged by a large amount of energy and the like.
Owner:GUIZHOU UNIV

Limiting anti-overturning device of bridge aerial work platform supporting system and construction method

InactiveCN112813831AReduce the risk of center of gravity deviationIncrease the areaBridge erection/assemblySupporting systemArchitectural engineering
The invention discloses a limiting anti-overturning device of a bridge aerial work platform supporting system; the device comprises a cross-core rod horizontally arranged on a bridge pier in a penetrating manner, a jack is vertically arranged on channel steel above the cross-core rod, a platform main beam is arranged above the jack, and the device also includes an anti-overturning box; the anti-overturning box is defined by two half buckles and is locked and fixed to form a rigid box, the main body of the jack is covered in the rigid box, and the top end of the jack penetrates through the anti-overturning box to abut against the bottom of the platform main beam. Meanwhile, the invention further provides an anti-overturning construction method of the bridge aerial work platform supporting system. The anti-overturning box completely wraps the jack to limit the displacement phenomenon of the jack; once the jack fails, the main beam of the platform directly falls above the anti-overturning box, the rigid box plays a role in temporarily supporting the operation platform, escape time is reserved for operators, enough time can be reserved even if the jack fails, so that safe escape of the operators is guaranteed, and the anti-overturning device has the advantages of being convenient to install and safe and reliable to use.
Owner:中铁隧道集团一处有限公司

A two-point positioning vehicle winch system

The invention discloses a two-point positioning vehicle-mounted winch system, which is characterized by comprising a front hook and a rear traction part. The rear traction part is provided with a longitudinal column and a cross beam. The cross beam is located at the front end of the longitudinal beam, and the cross beam and the longitudinal beam are integrally connected into a ''T'' shape. The round transition is arranged at the connection between the front section of the longitudinal column and the cross beam. A via hole which penetrates front and back and allows a traction rope to pass is provided in the center of the rear section of the longitudinal column. The front end of the via hole is provided with a longitudinal groove penetrating forwards. The cross beam is provided with a crossgroove which is crossed with the longitudinal groove. The front end of the via hole is provided with a curved groove curved leftwards. A pressure plate is arranged on the right side of the cross groove. A T-shaped groove is arranged in the back of the pressure plate. A threaded hole is arranged in the lower part of the cross beam. A jackscrew is arranged in the threaded hole. The inner end of thejackscrew is provided with a slider which is arranged in the T-shaped groove. A positioning hole coaxial with the via hole is arranged in the front end surface of the cross beam. The traction rope does not move, and the directionality is good, the two-point positioning vehicle-mounted winch system can provide suitable traction for vehicles, and coming out of difficulties is safely realized.
Owner:梁山跃通专用汽车制造有限公司

A kind of porcelain flame retardant and fireproof silicone sealant and preparation method thereof

The invention provides a ceramic flame-retardant fireproof silicone sealant and a preparation method thereof. The ceramic flame-retardant fireproof silicone sealant is prepared from 100 parts of a base polymer, 3-40 parts of a plasticizer, 5-200 parts of a filling material, 30-150 parts of ceramic powder, 1-15 parts of a cross-linking agent, 0.1-3 parts of a stabilizer, 0.5-3 parts of a catalyst and 0.5-3 parts of a coupling agent. The preparation method comprises the following steps of adding the above raw materials into a high-speed dispersion mixer, and carrying out stirring for 60-180min under the conditions of a vacuum degree of 0.06-0.095MPa and a rotation rate of 20-600rpm to obtain the ceramic flame-retardant fireproof silicone sealant. The ceramic flame-retardant fireproof silicone sealant can form a hard ceramic material under the action of continuous ablation at a high temperature above 500 DEG C, does not lose fixing and sealing effects, has flame retardation, smoke isolation and fire prevention functions, and guarantees escape safety of people in the case of fire disaster. The invention provides the preparation of the ceramic flame-retardant fireproof silicone sealant. The preparation method has simple processes.
Owner:JIANGSU TIANCHEN NEW MATERIALS

Intelligent fire exist door

The invention discloses an intelligent fire door, and specifically relates to the technical field of intelligent security equipment. It includes a door body, a water spray pipe, a water pump, a water storage tank, and a smoke sensor. For the water pump in the water tank, the smoke sensor is arranged on the door body, and the smoke sensor is connected with the water pump. The invention has the advantages of simple structure, high safety performance, automatic water spraying in the environment of dense smoke, reducing the concentration of dense smoke, ensuring people's escape safety and the like.
Owner:合肥川达信息科技有限责任公司

Opening method of urban underground contact channel fire resisting shutters

InactiveCN104984494AOptimizing fire ventilation and smoke extraction performanceImprove controlFire rescueBoring toolsStructural engineeringVehicle driving
The invention relates to an opening method of urban underground contact channel fire resisting shutters. The opening method is characterized in that an urban underground contact channel is regarded as an annular channel independent from an underground garage; the annular channel is provided with two inlets, two outlets, a first vertical shaft (6), a second vertical shaft (11) and multiple fans (5); and fire resisting shutters are correspondingly arranged at the two sides of each outlet or inlet. According to the layout of the vertical shafts and the inlets and outlets, the annular channel is divided into eight smoke control areas by using the fire resisting shutters. When fire occurs, the corresponding fire resisting shutters are opened firstly, and the smoke control area with the fire and the adjacent smoke control areas serve as a smoke control integer; and then, all the fans (5) in the smoke control integer are opened, so that smoke is discharged to the ground in a set smoke discharge area in a vehicle driving direction. The opening method can effectively solve the problem of irregular smoke spreading of the fire, and can guarantee the escape safety of vehicles and persons.
Owner:WUHAN UNIV OF SCI & TECH

Appropriate Width Adjustable Laying Method of High Voltage Large Section Cable Line

ActiveCN109066481BEnsure safe escapeAddressing the lack of another pivotApparatus for laying cablesClassical mechanicsEngineering
A method for laying a high-voltage large-section cable to fit the width is characterized in that that method comprises the following steps of: a cable support is arranged in a channel in which the cable is required to be laid; inserting an insertion portion of the plug-in fixture into the inside of the cable holder; inserting a cross bar radius type back screw brace into the back screw brace fixing hole of the plug-in type fixing device to fix the cross bar of the scaffold; erecting a vertical back screw brace on the cross-bar radial back screw brace to form a radial I-shaped rack; arranging alow friction pulley on the backscrew brace of the crossbar radius type; Adjusting the position of the vertical back-screw brace on the cross-bar radial back-screw brace according to the site environment so as to give up half of the passage space; Laying the cable on the low friction pulley. The invention solves the defects that the method for laying a high-voltage large-section cable to fit the width lacks the fulcrum, and the working channel of the worker is narrow, which leads to the low working efficiency and the difficulty of the first aid escape.
Owner:JIANGSU ELECTRIC POWER CO

Island type subway station with underground parking garages

The invention discloses an island type subway station with underground parking garages, and belongs to the technical field of underground traffic. The system consists of ground vehicle and pedestrianentrances and exits, a station hall floor and a platform floor. Besides necessary facilities such as a ticket hall and escalators, the station hall floor further comprises station hall floor parking garages on the left side and the right side; besides necessary facilities such as rails, the platform floor further comprises a platform floor parking garage, the ground vehicle entrance and the groundvehicle exit are arranged on the left side and the right side of a road, after running in the entrance, vehicles can be distributed to the station hall floor parking garages and the platform floor parking garage through underground traffic lanes, and the underground traffic lanes are provided with deceleration strips and passenger emergency escape passages. The island type subway station with theunderground parking garages is reasonable in design and good in economic effect, the underground parking garages can be effectively combined to the subway station, convenience in transfer of people in automobiles and subways is greatly improved, and underground space can be utilized quite well.
Owner:SHENYANG JIANZHU UNIVERSITY

Ventilation method of all-weather bridge passage

The invention discloses a ventilation method for an all-weather bridge passage. Mechanical ventilation is adopted when the product of the passage length L of a sea-crossing all-weather bridge passagefor bidirectional traffic and a designed hour traffic volume N is larger than 6 * 10<5>; when the product of the passage length L of the sea-crossing all-weather bridge passage for two-way traffic andthe designed hour traffic volume N is smaller than 6 * 10<5>, natural ventilation is adopted; when the product of the passage length L of the one-way traffic sea-crossing all-weather bridge passage and the designed hour traffic volume N is larger than 2 * 10 < 6 >, mechanical ventilation is adopted; when the product of the passage length L of the one-way traffic sea-crossing all-weather bridge passage and the designed hour traffic volume N is smaller than 2 * 10 < 6 >, natural ventilation is adopted; by the adoption of the above ventilation mode, ventilation systems such as an air supply duct, an air exhaust duct and a large fan room do not need to be arranged, the construction cost can be saved, the later maintenance cost and time can be saved, and the influence of severe weather conditions such as offshore typhoon and rainstorm on bridge passage driving passage can be reduced.
Owner:CHANGAN UNIV

Wrap-around vehicle-mounted winch system

The invention discloses a wrap-around vehicle-mounted winch system which is characterized by comprising a hook and a pressing block, a connecting block is connected with the lower part of the hook, atraction rope is connected with the connecting block, and a pressing block pressing on the back of the hook is arranged at the back of the hook; the front surface and the rear surface, aligned with the central position of the pressing block, of the hook are separately provided with protrusions protruding forwards and backwards; the upper portion and the lower portion of the protrusions are separately provided with stoppers, a rope slot is formed between the stoppers and the protrusions, and the stoppers extend towards the back of the hook to the side surface of the pressing block; upward inverted slots are arranged at the hook tip position of the front surface and the rear surface of the hook, and the interior of the protrusions is provided with a groove; and the traction rope cannot moveand has good directionality, and proper traction can be provided for a vehicle and safety is ensured.
Owner:嘉兴久珥科技有限公司

A kind of wet tissue used for escaping in case of fire and its preparation method

The invention relates to a wet tissue for escape during fire and a preparation method thereof. The wet tissue is characterized by comprising a non-woven fabric carrier soaked with refreshing Chinese herbal medicine solution, and a hydrophilic functional group-containing polymer thin film which is 0.1 micron-1mm thick on at least one face. The Chinese herbal medicine solution is prepared by mixing 0.1-5wt% of mint, S0.1-5wt% of syzygium aromaticum and the balance of water in percentage by weight. The polymer film layer can filter harmful soot, and active carbon or titanium dioxide which can absorb harmful gases can be inserted into the non-woven fabric layer to further absorb harmful gases, so that damage to human body by harmful soot is reduced. The wet tissue provided by the invention has the characteristics of simple structure, small size, convenience in use, simple preparation process and low cost, can effectively refresh brain and prevent soot during fire escape, and meanwhile can be sufficiently prepared in a firefighting access to effectively ensure the escape and safety of people in early or later stage of fire.
Owner:NINGBO UNIVERSITY OF TECHNOLOGY

Safety escape unit of Archimedes bridge

The present invention discloses one kind of safety escape apparatus for Archimedes bridge including sealed escape compartment on Archimedes bridge body, connector between the escape compartment and the bridge body, and bridge safety door. The escape compartment is provided with waterproof safety door communicated to the bridge body, and has buoyancy slightly greater than the total weight of the escape compartment and several escape persons. The escape compartment may be separated from Archimedes bridge, and in case of accident, the persons in the Archimedes bridge can enter the nearby escape compartment to depart from the Archimedes bridge and the dangerous area.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI

Tunnel escape pipeline and construction method thereof

The invention discloses a tunnel escape pipeline and a construction method thereof, and relates to the technical field of tunnel construction. The escape pipeline comprises a plurality of escape pipe joints connected end to end, connecting assemblies, supporting seats and supply pipelines, wherein connecting sections are arranged at the two ends of each escape pipe joint correspondingly, the connecting assemblies are arranged at the connecting sections and used for connecting every two adjacent escape pipe joints, the supporting seats are arranged at the bottoms of the connecting assemblies and used for supporting the connecting assemblies and the escape pipe joints, adjustable moving devices are arranged on the two sides, in the extending direction of the escape pipe joints, of the supporting seats, the supply pipelines are installed on the supporting seats and arranged in the extending direction of the escape pipe joints, branch pipelines communicating with the supply pipelines are arranged in the supporting seats, and the branch pipelines communicate with the escape pipe joints and are used for providing water and air for escape personnel. By implementing the technical scheme, oxygen and water can be supplied to the escape personnel in a construction accident in a tunnel at a lower cost, precious rescue time is won, and a dangerous case is prevented from spreading to cause a secondary accident.
Owner:CHINA RAILWAY 23RD CONSTR BUREAU LTD

Method for laying a High-voltage large-section cable to fit the width

ActiveCN109066481AEnsure safe escapeAddressing the lack of another pivotApparatus for laying cablesEngineeringHigh pressure
A method for laying a high-voltage large-section cable to fit the width is characterized in that that method comprises the following steps of: a cable support is arranged in a channel in which the cable is required to be laid; inserting an insertion portion of the plug-in fixture into the inside of the cable holder; inserting a cross bar radius type back screw brace into the back screw brace fixing hole of the plug-in type fixing device to fix the cross bar of the scaffold; erecting a vertical back screw brace on the cross-bar radial back screw brace to form a radial I-shaped rack; arranging alow friction pulley on the backscrew brace of the crossbar radius type; Adjusting the position of the vertical back-screw brace on the cross-bar radial back-screw brace according to the site environment so as to give up half of the passage space; Laying the cable on the low friction pulley. The invention solves the defects that the method for laying a high-voltage large-section cable to fit the width lacks the fulcrum, and the working channel of the worker is narrow, which leads to the low working efficiency and the difficulty of the first aid escape.
Owner:JIANGSU ELECTRIC POWER CO

A vehicle-mounted winch system with adjustable direction

InactiveCN107719041BPrevent prolapsePlay a secondary anti-shedding effectTowing devicesEngineeringWinch
The invention discloses a vehicle-mounted winch system capable of adjusting direction. The system is characterized by comprising a longitudinal slot formed at the front end of a via hole and penetrating forward; a transverse slot intersected with the longitudinal slot is formed in a cross beam; a bent slot bending leftward is formed in the front end of the via hole; a C-shaped hook body is arranged on a built-in hook; the lower part of the C-shaped hook body is connected to a traction rope; the lower portion of the C-shaped hook body is matched in the longitudinal slot; the front end of the C-shaped hook body is exposed out of the cross beam; the opening portion of the C-shaped hook body faces the transverse slot on the right side; a round tube in contact with the wall of the transverse slot and the lower end of the opening of the C-shaped hook body is arranged between the opening portion of the C-shaped hook body and the transverse slot; end covers are arranged at the notches of the transverse and longitudinal slots, so that the traction rope does not shift, and the vehicle-mounted winch system is good in direction directivity, can provide proper traction for vehicles and ensuressafe breakout.
Owner:山东梁山義企重工机械股份有限公司

Door lock structure capable of being opened in prepressing state of door

InactiveCN101624886BNo longer restricted movementEnsure safe escapeNon-mechanical controlsLocking mechanismMANDRIL
The invention relates to a door lock structure capable of being normally opened in prepressing state of door. The door lock structure comprises a revolving lock catch (1), a sharp welt (1a) is projected on the lock catch (1), a mandril (2) coaxial with the rotating shaft of the lock catch (1) is arranged at the welt (1a) on the lock catch, and the mandril (2) is inserted into a sliding sleeve; the wall of the mandril (2) is opened with a spherical notch (2b), a round hole is opened at corresponding position at the sliding sleeve, a steel bear (3) is placed in the round hole, the outside of the steel bear can be provided with a rotatable brake block (9); one raised face (9a) of the brake block (9) is pushed against the steel bear (3), the lateral part of the raised face (9a) is opened witha concave cavity (9b) which can contain the steel bear (3); and a driving handle (9c) linked by a lock push rod (6) is arranged on the brake block (9) vertical to a rotating shaft (8). In the technical scheme, even if the door is in prepressing state, the moving of the mandril (2) can be realized by only providing a small push or pull force, and the door is opened smoothly, thus being a foolproofand reliable door lock mechanism.
Owner:SHANGHAI ONE TOP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products