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1187results about "Handle fasteners" patented technology

Ecological door lock

The utility model discloses an ecological door lock. Comprising a handle unit which comprises a handle and a handle seat; the clutch support is rotatably assembled on the handle seat and comprises a first through hole and a first matching groove; a lock bar unit; the positioning piece is arranged on the clutch support in a sleeving manner, is transversely and movably arranged on the handle seat and comprises a second through hole and a third matching groove; the shifting unit comprises a positioning rod and a shifting piece which are arranged on the clutch support in a penetrating mode, and the shifting piece comprises a second matching groove and a shifting pin; the positioning pin is fixedly arranged on the handle and penetrates through the right end of the first matching groove and the left end of the second matching groove; rapid counter locking can be achieved by lifting the handle, the shifting unit is driven to rotate through the positioning pin when the handle is lifted, and therefore the shifting pin drives the positioning piece to lock the clutch support, the clutch support cannot rotate, and the counter locking purpose is achieved; the structure is simple, operation is convenient, and the whole is simpler and more attractive.
Owner:WUYI SHENGJIN LOCK CO LTD

Handle door lock

The utility model relates to a handle door lock, which comprises a lock body, a square rod, an inner handle and an outer handle, the inner handle and the outer handle are positioned on two sides of the lock body, the square rod is connected with the inner handle and the outer handle, the inner handle comprises an inner handle and an inner handle seat synchronously rotating with the inner handle, and the outer handle comprises an outer handle and an outer handle seat synchronously rotating with the outer handle. The inner handle seat and the outer handle seat are both provided with shaft holes matched with the square rod, a stop piece and a spring are arranged in the outer handle, the stop piece is provided with a square hole for the square rod to penetrate through, the spring is arranged outside the square rod in a sleeved mode and abuts against the stop piece, an inclined face is arranged on the outer handle seat, the stop piece is arranged on the inclined face in a pressed mode through the spring, and the square rod is sleeved with the spring. A notch is formed in the side wall of the outer handle base so that an external unlocking piece can be inserted into the outer handle base, the locking piece can be shifted right in a sliding mode, and an unlocking groove hole is formed in the position, corresponding to the notch, of the outer handle. By the adoption of the technical scheme, the handle door lock can be rapidly disassembled and assembled, and after installation, the square rod is firmly connected with the inner handle and the outer handle.
Owner:WENZHOU JINKAI LOCK IND CO LTD

Plane lock

The utility model relates to a plane lock which comprises a lock base, a handle and a lock cylinder device, a handle groove is formed in the lock base, the tail end of the handle is locked through the lock cylinder device, and the lock cylinder device comprises a lock cylinder assembly arranged at the position, close to the tail end, of the handle and a lock catch part arranged on the lock base and matched with the lock cylinder assembly in a locking / unlocking mode. A handle lifting handle is arranged at the tail end of the handle in a pivoted mode, one end of the handle lifting handle can swing around the pivoted portion so as to be in a closed state buckled on the handle and an open state tilted from the handle, the handle lifting handle is connected with an opening and closing control mechanism, and a lock cylinder of the lock cylinder assembly is an operating end of the opening and closing control mechanism. The lock cylinder is operated to drive the handle lifting handle to be switched between the closed state and the open state, the handle lifting handle is in the open state when the lock cylinder assembly and the lock catch part are in the unlocked state, and the handle lifting handle is in the closed state when the lock cylinder assembly and the lock catch part are in the locked state. The lock has the advantages of being neat and attractive in appearance, good in prying-resistant performance and capable of indicating the lock state.
Owner:WENZHOU YEEKA LOCK TECH CO LTD

Lock with improved back locking structure

The utility model discloses a lockset with an improved back locking structure, which comprises a first fixing component and a spring bolt, the first fixing component is provided with a first handle, the first handle drives the spring bolt to perform unlocking action through a locking bar, the first handle comprises a handle seat movably provided with a key, one side, facing the locking bar, of the key is movably provided with a lock pin, and the first fixing component is provided with a lock hole. The lock bar is provided with a through hole, the handle seat is provided with a receding hole, the handle seat and the key are matched through a clutch structure, the first handle has a back locking state and a normal state, the handle seat and the lock bar are in transmission connection in a clearance fit mode, the back locking state is achieved, the lock bar and the first fixing assembly are relatively fixed by the lock pin after the key is pressed down, and the normal state is achieved. The handle base rotates by a first preset angle, clearance fit is eliminated, back locking is relieved, and the handle base continues to rotate by a second preset angle to drive the lock bar to rotate. Unlocking and unlocking processes after back locking of the lock are realized through seamless connection and rotation of the first handle, and the lock is smooth and simple to operate and easy to use.
Owner:徐志克

Emergency unlocking device and system for intelligent fireproof door

The invention relates to the technical field of safety control of fire exit doors, in particular to an emergency unlocking device and system of an intelligent fireproof door. The analysis subsystem outputs a fire alarm confidence coefficient value and an operation intention intensity value; the arbitration subsystem sends a blocking signal to the automatic locking control system and activates a to-be-decoupled state of the execution subsystem when the intensity of the operation intention exceeds a threshold value; the execution subsystem synchronously adjusts a mechanical transmission stroke parameter and an electromagnetic latching current parameter according to the intensity value of the operation intention; the fault-tolerant subsystem switches the mechanical locking mechanism to a geometric dead point position to release automatic control connection; and the traceability subsystem records the operation data and maintains storage when the power supply is interrupted. According to the invention, a closed-loop control chain from signal sensing to physical decoupling is formed, the problem of authority conflict of automatic locking logic blocking manual operation is solved, and the timeliness and reliability of emergency unlocking are improved.
Owner:RANGE TECH DEV CO LTD

Transmission lock box with self-locking function

The transmission lock box with the self-locking function comprises a base, a transmission strip, a shifting block, a self-locking piece, a plurality of first springs and a transmission box, the transmission strip is slidably connected to the base, and a transmission shell is formed on the transmission strip; the lock box is provided with a base, a transmission strip, a shifting block, a self-locking piece, a plurality of first springs and a transmission box, the transmission strip slides on the base, then a transmission shell is formed on the transmission strip, the self-locking piece is arranged in the transmission shell, the first springs and the multi-head first springs upwards abut against and abut against the self-locking piece, a shifting part abuts against and abuts against the self-locking piece, and the transmission strip slides on the transmission box. And the transmission handle is connected with the shifting block, so that when the transmission handle is at 0 degree and 90 degrees, the first spring is utilized to abut against and press the self-locking piece, the self-locking piece continuously pushes the shifting part upwards, movement of the shifting part is limited, the self-locking function is achieved, and the overall structure is practical and reliable.
Owner:3H INC +2

Replacement lock for storefront door

A replacement lock for storefront door includes an outdoor component; an indoor component; a mortise, a spindle torque transmission component and one or more mounting components. The mortise includes a housing having one or more mounting holes; and a lock bolt movably receiving in the housing, the lock bolt is configured to extend out of the housing into the door frame to lock the storefront door, and retract from the door frame into the housing to unlock the storefront door upon driven. The spindle torque transmission component includes a spindle extending through the housing of the mortise and coupled with the lock bolt in a torque transmission way. The one or more mounting component extends through the one or more mounting holes of the housing of the mortise respectively, each mounting component has two axial ends that are respectively fixedly connected to the outdoor component and the indoor component.
Owner:XIANG DEZHAO

Intelligent door lock capable of preventing violent unlocking

The invention discloses a violent unlocking prevention intelligent door lock which comprises an inner lock assembly and an outer lock assembly which are arranged on the inner side and the outer side of a door, and a spring bolt used for controlling a lock cylinder to be unlocked. The outer lock seat, the outer handle, the outer limiting ring, the torsional spring, the clutch lock head, the baffle, the plug pin assembly, the clutch motor, the clutch pressing plate and the control panel are arranged on the outer shell, and the purpose is that the clutch motor drives linkage control of the clutch pressing plate and the plug pin assembly, so that dynamic locking / separation of the outer lock seat and the clutch lock head is achieved; when a legal identity is verified through fingerprints / passwords, the control panel triggers the clutch motor to move the clutch pressing plate upwards and tightly press the plug pin assembly, the clutch lock head and the outer lock base are locked, unlocking can be achieved by rotating the outer handle at the moment, if the legal identity is not verified, the clutch lock head and the outer lock base cannot be locked all the time, and unlocking can be achieved even if the outer handle is forcibly twisted. And the clutch lock cannot be driven to rotate, so that the property safety of a user is protected.
Owner:ZHEJIANG JINGYUN SMART HOME CO LTD

Driving mechanism of full-automatic intelligent lock

The utility model relates to a driving mechanism of a full-automatic intelligent lock, which comprises an unlocking driving mechanism of a lock body provided with a motor driving dead bolt, a trigger bolt and a latch bolt telescopic lock shell, and is characterized in that the driving mechanism is provided with a transmission sheet, a dead bolt shifting sheet, a driving sheet, a dead bolt shifting block, a switching gear, a handle shifting sheet, a handle gear shifting sheet and a gear opening sheet, the square tongue, the motor, the square shaft, the trigger tongue and the inclined tongue are sequentially connected to form a driving mechanism. When a lock is unlocked, a dead bolt can drive a trigger bolt and an inclined bolt to push a lock shell together during driving, so that the lock shell is very smooth, the mute effect is achieved, and the structural optimization is extreme. The mechanical structure design of the lock body is simple, the lock body control panel of the intelligent part is connected with the motor, and the bevel gear of the motor is meshed with the upper teeth of the switching gear, so that the dead bolt, the trigger bolt and the inclined bolt are easy to unlock, low in power consumption and convenient to install, multiple functions of electronic unlocking and key unlocking are considered, and the structure is innovative and unique.
Owner:SHENZHEN ZHONGDE INTELLIGENT LOCK CO LTD

Lifting back-locking lock

The utility model discloses a lifting back-locking lock bar which comprises a bottom shell and a surface cover which are fixed through a screw rod, a lock tongue is arranged between the bottom shell and the surface cover, and a movable frame body is arranged in the bottom shell. Two U-shaped supports are fixed to the bottom shell through screws and located in the movable frame body. A reset spring is arranged between the end, away from the spring bolt, of the movable frame and the inner wall of the bottom shell. A back locking block is arranged in the movable frame body, and the symmetrical edges of the back locking block can be located in the U-shaped support in a lifting mode. And an outer door handle structure and an inner door handle structure are arranged between the bottom shell and the surface cover. The outer door handle structure is reasonable in structural arrangement, the outer door handle structure rotates and enables the counter locking piece to be lifted to achieve counter locking, operation is convenient and fast, the number of counter locking structures can be reduced, machining cost can be reduced, meanwhile, assembling cost can be reduced, assembling efficiency can be improved, and using stability and reliability can be improved. And the applicability and the practicability are high.
Owner:GUANGDONG YARIS INTELLIGENT TECH CO LTD

Door lock device

The embodiment of the utility model provides a door lock device, which relates to the technical field of door locks, and comprises a door lock main body, a door inner handle, a first counter locking piece, a second counter locking piece and a counter locking switch, the inside door handle is fixedly connected with the first counter locking piece; the first counter locking piece and the second counter locking piece are adjacently arranged, and the first counter locking piece is provided with a protruding part; the second counter locking piece is adjacent to the counter locking switch, and an elastic piece is arranged on the side, adjacent to the second counter locking piece, of the counter locking switch. The inside door handle drives the first counter locking piece to rotate in the rotating process, so that the lug boss is in contact with and pushes the second counter locking piece; the second back locking piece is pushed to abut against the elastic piece, the back locking switch is triggered to control the lock cylinder in the door lock body to release the back locking state, and therefore the back locking operation convenience of the intelligent door lock is improved.
Owner:ZHONGSHAN GEOMETRY SECURITY TECH CO LTD

Door lock unlocked by linkage control of electronic handle lock and dead lock

The electronic handle lock is mainly composed of a front handle assembly 1, a rear handle assembly 2, a latch bolt lock bar 3 and a square rod 4. The electronic dead lock part is mainly composed of a lock cylinder assembly 5, a dead lock electric drive module 6 and a dead bolt lock bar 7, and the front face of the dead lock electric drive module 6 is provided with a rotary knob 6-1 capable of rapidly opening or closing a dead bolt, a battery cover 6-2 and a rotary knob shaft 6-3 which is coaxially and fixedly connected with the rotary knob 6-1 and provided with a cross-shaped notch. The lock cylinder assembly 5 is used for emergency unlocking, and the situation that when an electronic part is damaged and cannot be normally used, emergency unlocking can be achieved through a key is prevented. When the front handle assembly 1 is in a standby working condition, the handle is in a free state, if biological recognition succeeds, one signal sends an instruction to an internal electric control mechanism to convert the handle into a linkage state, and the handle is restored to the free state after set time is up. And the other path of signal is transmitted to the dead lock electric drive module 6 in a wireless communication manner to drive the dead bolt to withdraw, so that the aim of synchronously unlocking the inclined bolt and the dead bolt is fulfilled. If the dead lock needs to be locked, any number key on the front handle only needs to be pressed for about three seconds for a long time, and the dead lock electric drive module 6 receives a transmitted instruction signal to drive the dead bolt to stretch out to complete locking.
Owner:SHENZHEN YILIAN ZHIJIA TECHNOLOGY CO LTD

A handle device and a system of inwardly opening inwardly tilting casement windows

The application belongs to the technical field of door and window hardware fittings, and discloses a handle device and an in-swinging and in-swinging-out door and window system. The handle device comprises a handle, a handle seat, a transmission member and a transmission mechanism for driving the transmission member to move, the handle is rotationally connected to the handle seat, the transmission mechanism is connected to the handle seat and is in transmission connection with the handle and the transmission member, and the handle is connected with a hanging and locking mechanism which can be hung on the handle seat to lock the handle and can be manually unlocked by a user. The in-swinging and in-swinging-out door and window system comprises an in-swinging and in-swinging-out window sash and the handle device. The handle device and the in-swinging and in-swinging-out door and window system can effectively prevent the user from misoperation and accidental opening, have good handle anti-misoperation effect and good user experience.
Owner:FOSHAN GEXIN TECHNOLOGY CO LTD

Handle door lock

The utility model relates to a handle door lock which comprises a square strip, an inner panel, an outer panel, an inner handle, an outer handle and a counter locking device, the counter locking device is composed of a rotating counter locking assembly and a driving assembly, the rotating counter locking assembly comprises a driving rotating shaft and a locking shaft sleeve, the locking shaft sleeve is provided with a clamping block, the inner panel is provided with a clamping groove, and the driving rotating shaft is driven by the driving assembly to rotate. The door lock is particularly suitable for occasions needing convenient external unlocking and high safety, accurate positioning of the clamping block is achieved through the limiting sliding groove and the elastic piece of the inner handle, the reliability of back locking is guaranteed, and through the design of the receding hole in the square strip and the unlocking hole in the outer handle, the safety of the door lock is improved. And external tools are allowed to be used for quick unlocking, so that the safety is improved. In addition, a detachable shell cover on the outer handle forms a key cavity, the concealment and attractiveness of the lock body are improved, meanwhile, the operation process is simplified, and the use convenience is improved.
Owner:WENZHOU OUHAI PANQIAO SHANGMING HARDWARE ACCESSORIES FACTORY

Elastic mounting lock knob structure

The utility model discloses an elastic installation lock knob structure which comprises a safety knob and a door handle, the safety knob comprises a knob cap and a knob rod, the door handle is provided with a handle tube and a knob hole communicated with the handle tube, and the elastic installation lock knob structure is characterized in that the knob rod is provided with an elastic clamping piece; the button rod can be inserted into the button hole and the handle tube through deformation of the elastic clamping piece, and the elastic clamping piece can be clamped with the door handle so as to prevent the button rod from being separated from the handle tube. The structure is simple, the assembly is easy, the button rod can be assembled in place in one step only by inserting the button rod into the handle tube, and a clamp spring does not need to be clamped for fixation. Therefore, the installation efficiency is greatly improved, and the production cost is reduced.
Owner:ZHONGSHAN XIONGJINHONGPAI METAL TECH CO LTD

Self-locking transmission shell structure and door and window handle structure using same

The application discloses a self-locking transmission shell structure and a door and window handle structure using the same. The self-locking transmission shell structure comprises a shell, a transmission assembly, a locking hook and a supporting piece. The transmission assembly comprises a transmission rack and a transmission gear meshing with one side of the transmission rack. The locking hook is rotatably connected to the upper end of the shell. The upper end of the supporting piece is connected with the locking hook, and the lower end is rotatably connected with the shell. The upper end of the transmission rack is provided with a limiting piece, and the locking hook is provided with a limiting groove. When the transmission rack is lifted to a first predetermined position, the limiting piece is located in the limiting groove. When the transmission rack is lowered to a second predetermined position, the limiting piece is separated from the limiting groove. Through cooperation of the limiting piece, the limiting groove and the elastic piece, the transmission rack can be moved to the predetermined position, the door and window handle can be positioned and kept in place without rebounding in the open lifting state, the handle movement is slowed down in the lowering process, the handle is prevented from rotating at a high speed, and the door and window will not be attenuated even if they are frequently used.
Owner:SHENZHEN HOPO WINDOW CONTROL TECH CO LTD

Hub assembly for door handle

A hub assembly for a door handle includes a hub body that extends along a longitudinal axis and has a first end portion including a spindle recess and a second end portion including a handle attachment protrusion. A spindle slideably received within the spindle recess in the first end of the hub body. A spring at least partially located within the spindle recess on the hub body and in engagement with the spindle.
Owner:HONEYWELL INTERNATIONAL INC

Anti-violent opening structure for handle core of intelligent lock

An intelligent lock handle core violent opening prevention structure comprises a handle core, the handle core comprises a handle assembling part and a rotor assembling part, the handle core is installed on an intelligent lock panel, the handle assembling part and a handle are assembled in an inserted mode, the rotor assembling part and a rotor are assembled, a through hole is formed in the middle of the handle assembling part, and a bolt penetrates through the through hole to be connected with the handle. A cutting groove is formed in the surface of the handle assembling part and penetrates from the handle assembling part to the rotor assembling part. The motor rotor has the advantages that the cutting groove is formed in one side of the rotor, the wall thickness between the cutting groove and the hole wall of the through hole is reduced through the cutting groove, under the general condition, the wall thickness of the cutting groove is about 0.8-1.2 mm, and the wall thickness of the cutting groove is obviously smaller than that of other parts, so that when violent opening is encountered, the part can be rapidly broken, and the safety of personnel and property is guaranteed.
Owner:ZHEJIANG JINGYUN SMART HOME CO LTD

Lockset for locking door leaf

A lockset for locking a door leaf includes a first lock bolt, a second lock bolt, a first electric driver, and a lever component. The lever component is configured to tilt around a fulcrum, and the lever component comprises an inner end and an outer handle. The inner end of the lever component is drivingly connected to the second lock bolt. The outer handle of the lever component is configured to receive a pressing action of a hand. When the outer handle of the lever component is pressed, the lever component tilts, allowing the inner end to drive the second lock bolt to retract. The outer handle of the lever component is provided with a pickup device for picking up a biological signal of a finger. The pickup device is in electrical signal connection with a controller. The controller is configured to control the first electric driver to operate.
Owner:META INTELLIGENCE LLC

Lock

The invention relates to a lock comprising a locking mechanism that has a latch that can be moved between a locking position, which is provided for securing a counter-piece movable relative to the locking mechanism, and an unlocking position provided for releasing the counter-piece, and an actuation element for manually moving the latch into the unlocking position.
Owner:ABUS AUGUST BREMICKER SOEHNE KG

Handle plane lock with main spring and auxiliary spring

The invention relates to a main and auxiliary double-elastic handle plane lock, and aims to solve the technical problems that a torsional spring is only arranged at the hinged position of a handle of an existing similar product and a rotating shaft, and the tail part of one end of a lock cylinder of the handle lacks a structural design for assisting the ejection of the handle. A handle of the handle plane lock is arranged in a handle groove in the top of a base, and one end of the handle is hinged to one end of a rotating shaft in a rotating shaft hole in one end of the base and provided with a torsional spring. The anti-theft lock is characterized in that a lock shell is arranged at a lock groove in the base, a lock hook elastic piece is arranged on one side in the lock shell, one end of the lock hook elastic piece is aligned with a lock head of the lock cylinder assembly, a hook groove is formed in the other end of the lock hook elastic piece, a protruding column at one end of a pin column is limited to a buckling hook on one side in the hook groove of the lock hook elastic piece, and a first spring is arranged at the bottom of the end of the pin column; the top of the other end of the pin extends out of the lock shell and abuts against the bottom of one end of the lock cylinder assembly of the handle in the handle groove. When the handle is pressed into the handle groove of the base, the handle pushes the pin column to reset, and the convex column of the pin column is buckled with the buckling hook in the hook groove of the lock hook elastic piece.
Owner:NINGBO SEHNGJIU CABINET LOCK CO LTD

Micro-ventilation door and window system safe to use

The utility model belongs to the technical field of doors and windows, and discloses a micro-ventilation door and window system safe to use. A window sash; a driver; a handle structure; a first locking structure; and a second locking structure. State switching is carried out by controlling the rotating angle of the rotating handle, when the first locking structure is unlocked and the second locking structure is locked, a micro-ventilation state is achieved, and the window sash can only be partially opened; when the first locking structure and the second locking structure are both unlocked, the window sash is in a normal opening state, and the window sash can be completely opened, so that the curiosity that a child operates the handle structure to open the window sash can be met, potential safety hazards are reduced, and the use safety of a door and window system is improved.
Owner:HANWEI HARDWARE PROD (GUANGDONG) CO LTD

Fire door lock

The present invention discloses a fire door top and bottom lock, wherein the main lock body comprises a lock box 1, a latch bolt mechanism and a driving mechanism, wherein the driving mechanism is connected to a lock core portion at the end face corresponding to the outside of the door and is connected to a handle portion 1 at the end face corresponding to the inside of the door; the upper push rod lock body comprises a lock box 2, an upper latch portion, a reset portion and a buckle box 1, the reset portion is connected to an upper push rod, the upper push rod is extended to be fixed in the control lock body, and the lower push rod lock body comprises a lock box 3, a lower latch portion, a push portion and a buckle box 2, the push portion is used to push the lower latch portion retracted in the lock box 3 to the outside of the lock box 3 and lock it with the buckle box 2, the push portion is connected to a lower push rod, the lower push rod is extended to be fixed in the control lock body. The present invention has the functions of fast locking and fast unlocking, and can realize the functions of unlocking the door by a key from outside and unlocking the door by a handle from inside in special places, thereby improving security performance while also improving the privacy of the place.
Owner:BEIJING ESLITE HONGTONG TECH DEV CO LTD +1

Energy-saving lighting and ventilating system

The invention discloses an energy-saving lighting and ventilating system, and relates to the technical field of energy-saving doors and windows, the energy-saving lighting and ventilating system comprises a window frame and a window sash hinged to the window frame, the energy-saving lighting and ventilating system further comprises a locking mechanism installed on the window sash, the inner wall of the window frame is fixedly connected with a limiting groove matched with the locking mechanism, and a pressing frame is movably embedded in the outer side of the window sash; an air bag is arranged in the window sash, the locking mechanism controls the inflation state of the air bag during adjustment, and a sealing rubber strip making contact with the pressing frame is installed on the inner side of the window frame. By arranging the air bag controlled by the locking mechanism, when a user operates the locking mechanism to enable the locking mechanism to be in a locking state, the air bag is inflated and expanded to generate double effects, on one hand, if the window sash is closed, the expanded air bag outwards pushes the pressing frame on the outer side of the window sash, so that the pressing frame tightly presses a sealing rubber strip on the inner side of the window frame with strong force; and on the other hand, through pneumatic coupling, the non-return supporting mechanism is driven to enter a two-way constraint state.
Owner:ANHUI PROVINCE JINPENG ENERGY SAVING TECH CO LTD

Translation handle assembly with anti-falling mechanism

The utility model belongs to the technical field of door and window structures, and provides a translation handle assembly with an anti-falling mechanism, which comprises a handle mechanism and a base mechanism, and the handle mechanism is matched with the base mechanism and can slide relative to the length direction of the base mechanism; the handle mechanism comprises a handle fixing part, a lock hook part is arranged at one end of the handle fixing part, a clamping block elastic part, a clamping block part and a first partition part are arranged in the base mechanism, the two ends of the clamping block elastic part are connected with the clamping block part and the handle fixing part respectively, and the clamping block part can slide relative to the height direction of the base mechanism. A user can operate the handle mechanism to slide relative to the base mechanism to achieve switching of the unlocking state or the locking state of the lock hook piece, the corresponding buckle position or the corresponding transmission switch position does not need to be found, the appearance is simple, operation is easy, the anti-falling function is achieved, unlocking through outdoor shifting of the lock hook can be prevented, and the user experience is improved. And the style trend of simple appearance and simple operation required by current door and window hardware is met.
Owner:CMECH (GUANGZHOU) INDUSTRIAL LTD

Door lock of access door of cooling tower

The utility model discloses a cooling tower access door lock which comprises an access door body, an outer side handle and an inner side handle, the outer side handle is installed on the outer side face of the access door body in a sliding mode, the inner side handle is installed on the inner side face of the access door body in a sliding mode, and the inner side handle and the outer side handle are fixedly connected. A through hole is formed in the side face of the access door body, the end of the inner side handle extends towards the through hole to form a spring bolt part, and in the locking state, the spring bolt part penetrates through the through hole and extends to the outer side of the access door body. The inner side handle and the outer side handle are arranged to form a linkage structure, the door lock can be independently operated inside or outside a tower, the problem that an existing door lock is limited by one-way operation is solved, and the door lock is simple in overall structure, low in cost and suitable for installation and use of various cooling tower access doors.
Owner:GUANGDONG HAIFENG ENVIRONMENTAL TECH CO LTD

Manual and automatic integrated door and window lock

The utility model relates to a manual and automatic integrated door and window lock which comprises a lock shell, a spring bolt and a handle and is characterized in that a control rotating shaft is arranged at the position, corresponding to the spring bolt, of the lock shell, a rack is arranged at the position, corresponding to the control rotating shaft, of the spring bolt, a spring bolt gear meshed with the rack is arranged at one end of the control rotating shaft, and a control part linked with the handle is arranged at the other end of the control rotating shaft. An electric drive mechanism and a clutch mechanism are arranged in the lock shell, a control gear linked with the electric drive mechanism is arranged on the control rotating shaft, the clutch mechanism is arranged between the electric drive mechanism and the control rotating shaft and controls linkage or separation of the electric drive mechanism and the control rotating shaft, and the door and window lock can be operated manually or electrically. By means of the design of the clutch mechanism, seamless switching between manual operation and electric operation can be achieved, the influence of manual operation on the load of the motor is avoided, and rapid unlocking of the rapid door and window lock in an emergency situation is achieved.
Owner:WENZHOU AIDEMEI DOOR & WINDOW SYST DEV CO LTD

Lock hole structure

The utility model discloses a lock hole structure, the lock hole structure is applied to an intelligent door lock, the intelligent door lock comprises a panel module, a locking mechanism and an emergency power supply module, and the lock hole structure comprises a base and a cover plate assembly; wherein the base is installed in an installation groove of the panel module, a storage groove is formed in the side, facing a groove opening of the installation groove, of the base, the locking mechanism and the emergency power supply module are both installed on the side, away from the groove opening of the installation groove, of the base and are partially exposed out of the storage groove, and the cover plate assembly is connected with the base so as to cover the installation groove while covering the storage groove. The lockhole structure is also provided with a placing part which is used for movably placing a power supply interface of the emergency power supply module. According to the technical scheme, the locking mechanism and the emergency power supply module can be installed in a hidden mode at the same time through the lock hole structure, then the overall structure of the panel module is simplified, the assembling difficulty of the intelligent door lock is reduced, and the assembling efficiency of the intelligent door lock is improved.
Owner:ZHUHAI UNITECH POWER TECHNOLOGY CO LTD

Technical protection door with lock protection structure

The utility model relates to the technical field of technical prevention doors, and discloses a technical prevention door with a lock protection structure, which comprises a door frame plate and a door leaf frame, a door body is mounted in the door leaf frame, a pull ring handle is mounted at the front end of the door body, and a reserved groove is formed in a protection cover. The door leaf frame is installed in the door frame plate, then the door bodies are installed in the door leaf frame, the two door bodies are locked through the anti-theft lock, the lock cylinder and grabbing work are held by the pull ring handle, and the first adsorption pieces are installed at the top end and the bottom end of the end face of each door body. The two protective covers are adopted to shield and protect the pull ring handle, the second adsorption pieces and the first adsorption pieces on the end faces of the protective covers are adsorbed and fixed, the reserved grooves are formed to facilitate protection of the pull ring handle, and under adsorption erection of the first adsorption pieces and the second adsorption pieces, the overall convenience is improved, and the service life of the pull ring handle is prolonged. In this way, the overall protection capacity is well improved in the working process.
Owner:SHANGHAI ZHIRUO CONSTR TECH CO LTD