388results about "Handle fasteners" patented technology

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.

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.

The invention relates to the technical field of locks, and discloses a handle mandrel assembly and locks.The handle mandrel assembly comprises a fixing piece, a handle mandrel, a limiting piece and a reset bias piece, the fixing piece is suitable for being fixed to the inner side face of a lockset panel and provided with a positioning hole axially opposite to a handle hole in the lockset panel, and the limiting piece is provided with a reset bias piece; a first blocking part and a second blocking part are respectively arranged on two axisymmetric sides of the positioning hole of the fixing piece; the handle mandrel is rotatably arranged in the handle hole and the positioning hole in a penetrating manner; the limiting piece is rotationally arranged on the handle mandrel along with the handle mandrel, and is provided with a first pushing and blocking part corresponding to the first blocking part and a second pushing and blocking part corresponding to the second blocking part; the reset bias piece is provided with a connecting part which is in elastic deflection connection with the handle mandrel as a fulcrum, a first arm which extends out of the connecting part and is suitable for abutting against the first blocking part, and a second arm which extends out of the connecting part and is suitable for abutting against the second blocking part. The structural stability and the quality stability of the whole handle mandrel assembly can be improved.

The application relates to a door lock device for an emergency passage of a public building, relates to the technical field of door locks, and aims to improve the problem that a door lock handle cannot be conveniently replaced. The door lock device for the emergency passage of the public building comprises a mounting frame and a rotating frame rotatably arranged on the mounting frame, the rotating frame is externally provided with a handle, the rotating frame is slidably connected with the handle, a guide assembly is arranged between the rotating frame and the handle, and the guide assembly is used for guiding the handle to slide and be clamped with the rotating frame; and a locking assembly is arranged on the rotating frame and used for locking the handle and the rotating frame. The application has the effect that the door lock handle can be conveniently replaced.

An external electric control lock comprises an outer fluted disc, an inner fluted disc, a spring bolt mechanism and a spring bolt shifting fork, outer locking strips and inner locking strips are arranged on the side edges of the outer fluted disc and the inner fluted disc, when the outer locking strips move to the locking state, the outer fluted disc is limited to rotate in the opening direction, and when the inner locking strips move to the locking state, the inner fluted disc is limited to rotate in the opening direction; an outer side reversing gear is arranged on the side edge of the outer locking strip, the inner fluted disc rotates in the opening direction, outer gear teeth are pushed to enable the outer side reversing gear to rotate, and the outer locking strip is driven to be switched to the opening state. An inner side reversing gear is arranged on the side edge of the inner locking strip, the outer fluted disc rotates in the opening direction, the inner gear teeth are pushed to enable the inner side reversing gear to rotate, and the inner locking strip is driven to be switched to the opening state. The inner side mechanical switch and the outer side mechanical switch are additionally arranged on the basis of the electric control lock, the function of opening the door through the handle inside the door can be closed through the inner side mechanical switch, the function of opening the door through the outer side mechanical switch can be closed through the outer side mechanical switch, a safety mode is achieved, and therefore the anti-theft performance is further improved.

This application relates to the field of escape locks, and more particularly to a two-way opening structure for an escape lock and an escape door using this structure. A two-way opening structure for an escape lock includes a lock body assembly, a linkage assembly, a lock seat assembly, and a sealing assembly. The lock body assembly is used to apply force to control unlocking. The linkage assembly is used to synchronously drive the lock seat assembly when the lock body assembly moves. The lock seat assembly and the sealing assembly are used to cooperate in locking / unlocking the escape door. The lock seat assembly / sealing assembly includes a sealing hole and side guide surfaces located on both sides of the sealing hole. The sealing assembly / lock seat assembly includes a sealing pin that can be inserted into the sealing hole by cooperating with either side guide surface. When the door is closed, the door is reset. Because the lock seat assembly / sealing assembly has side guide surfaces, the sealing pin retracts along the side guide surfaces when it is in contact with them, and is inserted when the sealing pin is directly opposite the sealing hole, completing the locking action. Therefore, two-way opening is achieved.

The application relates to the technical field of handles, and discloses a handle, which comprises a lock body, a square rod is slidingly inserted into the inside of the lock body, mounting rods are fixedly connected to the two sides of the square rod, a sleeve ring is slidingly sleeved on the outer circumferential surface of each mounting rod, a mounting plate is slidingly sleeved on the outer circumferential surface of each mounting rod, and a handle is fixedly connected to the top end of each mounting plate. The handle is characterized in that the mounting plate is directly fixed on the mounting rods at the two ends of the square rod by rotating the lead screw to drive the positioning rod to move and be inserted into the positioning hole, the handle is convenient to install, disassemble and maintain, manpower is saved, the handle is prevented from being fixed on the door plate by using screws, damage to the door plate is prevented, the appearance of the door plate and the reuse after subsequent disassembly are not affected, and the problems that the handle and the door plate are fixed by using screws, the disassembly and maintenance are relatively laborious, the screws cause damage to the structure of the door plate, the appearance of the door plate is affected, and the reuse after subsequent disassembly is affected are solved.

The utility model relates to the technical field of locks, and discloses a mechanical coded lock, which comprises a lock seat, the lock cylinder module is rotatably arranged on the lock seat, a handle is arranged on the lock seat, and the lock cylinder module is driven to rotate relative to the lock seat by rotating the handle, so that unlocking or locking of the mechanical coded lock is achieved; the password wheel assembly is arranged between the lock seat and the handle; the password wheel assembly comprises a plurality of password wheels, a slope part is arranged on the handle, and the password wheels are exposed out of the slope part; the plurality of code wheels are shifted to correct codes, so that the locking of the code wheel assembly on the handle is relieved; when a user holds the handle to unlock the lock, the thumb of the user naturally extends towards the slope part, and the thumb can touch the password wheels in the swing range on the slope part, so that the password switching action and the handle rotating action can be continuously completed in a single-hand holding state. The mechanical coded lock has the advantages that the mechanical coded lock utilizes ergonomics, the comfort level and the use feeling of a user are improved, and the mechanical coded lock is convenient to operate and unlock.

The utility model discloses a door lock which comprises a lock shell, a spring bolt assembly, a transmission assembly, a spring bolt driving assembly, an unlocking shifting block and an elastic reset piece. When the unlocking shifting block rotates to the unlocking position, the driving block drives the matching block to enable the transmission frame to move, and then the spring bolt assembly can retract into the lock shell. When the elastic reset piece drives the transmission frame to reset, the transmission frame pushes the unlocking shifting block to rotate and reset to a reset position; when the unlocking shifting block is located at the reset position, the driving block and the matching block are in surface contact, contact point abrasion between the driving block and the matching block is not prone to occurring, even if local abrasion occurs, overall surface contact positioning is not affected, and the unlocking shifting block can still be reset accurately after being used for a long time.

The utility model discloses a miniature intelligent lock clutch mechanism which comprises a fixed base, a movable support, a round handle, a lock cylinder sleeve and a locking assembly, an installation hole is formed in the center of the fixed base, an annular sliding groove is formed in the middle of the fixed base and on the outer side of a lock sleeve hole, the lock sleeve hole is formed in the center of the movable support, the lock cylinder sleeve is inserted into the lock sleeve hole, and the locking assembly is arranged on the round handle. The lower portion of the movable support is fixedly provided with a circular-ring-shaped protruding part, the circular-ring-shaped protruding part is inserted into the circular-ring-shaped sliding groove, the outer edge of the fixed base is sleeved with the circular handle, the circular handle can rotate relative to the fixed base, and the circular handle is connected with the movable support through a fastening screw. According to the miniature intelligent lock clutch mechanism, clutch control over an intelligent lock is achieved, a traditional clutch control thought is broken through, the whole structure is simple and easy to achieve, the manufacturing cost and the fault occurrence rate are reduced, the size of the intelligent lock is reduced on the whole, and the miniature intelligent lock clutch mechanism has a great promoting effect on achieving miniaturization of the intelligent lock.

The invention belongs to the technical field of door and window hardware fittings for buildings, and particularly relates to a micro window hardware sealing system which comprises a handle assembly, a transmission assembly, a locking assembly and a hinge assembly. The handle assembly, the transmission assembly, the locking assembly and the hinge assembly are hidden in the profile through preset mounting channels, the transmission assembly comprises a main transmission rod, a first driven transmission rod, a second driven transmission rod and a linkage connecting piece, and the main transmission rod and the second driven transmission rod are arranged in the height direction of a window sash; the main transmission rod and the second driven transmission rod are located on the two sides of the window sash respectively, the first driven transmission rod is arranged in the height direction of the window sash and arranged at the top of the window sash, and the linkage connecting piece comprises a first corner device and a second corner device. Through uniform distribution of multiple locking points, the structural stability of the whole window is improved, and sealing failure caused by uneven stress of a high window type is avoided.

The utility model discloses a mute door handle, which relates to the technical field of door handles and comprises a door handle main body, the door handle main body comprises a lockset panel, a bearing seat, a square rod and a handle are arranged in the middle of the lockset panel, one end of the lockset panel is provided with a mounting screw, a sound insulation plate is arranged in the lockset panel, and the sound insulation plate is provided with a sound insulation groove. An extension handle and a protection assembly are arranged at one end of the handle, the protection assembly comprises an installation sleeve, a T-shaped installation sliding rail is arranged in the installation sleeve, a rubber protection sleeve is arranged outside the installation sleeve, a positioning plate is arranged at one end of the installation sleeve, and a threaded rod is arranged on the side face of the positioning plate. According to the mute door handle, the protective assembly is arranged outside the extension handle in the sleeving mode, so that the extension handle and a user are protected, the extension handle is separated through the installation sleeve and the rubber protective sleeve, the user is prevented from making direct contact with the extension handle to generate static electricity, and the use comfort of the handle is improved.

The utility model belongs to door lock spare technical field relates to a new hidden handle. The utility model, including the base, the base has the accommodation space inside, the accommodation space bottom is connected with the sliding slot, is equipped with the shift fork that can reciprocate linear motion along the horizontal direction in the accommodation space, the shift fork passes through the sliding slot and is slid with the sliding slot, be equipped with the rotatable hidden handle assembly in the base. The utility model in the using process, the hidden handle assembly is designed as rotatable storage structure, turns out operation when using, stores up in the accommodation space when idling, saves the space and promotes the overall appearance integrity and the degree of beauty, simultaneously, through reasonable mechanical structure design, guarantees the stability under handle rotation and storage state.

The utility model discloses a split type door handle. The split type door handle comprises a handle body and a base. A transmission shaft is fixedly installed on the handle, a first circular groove and a second circular groove are formed in the transmission shaft in the height direction and the length direction of the transmission shaft respectively, a rotating block is rotationally installed on the base, a transmission groove in sliding fit with the transmission shaft is formed in the rotating block, a cylindrical block in sliding fit with the first circular groove is arranged in the transmission groove, and a back locking device is arranged on the base. When the transmission shaft is inserted into the transmission groove, the counter locking device corresponds to or does not correspond to the second circular groove in position, and the transmission shaft can be driven or cannot be driven to rotate by rotating the handle. Due to the arrangement of the split structure of the handle, before use, all parts can be stored or transported in a classified mode, the storage or transportation convenience is improved, and the loss rate is reduced; through the arrangement of the back locking device, back locking can be achieved without an inner door lock structure, the locking ball and the pushing device are arranged in the base, and it is ensured that the front end of the inner handle has the concise appearance.

The utility model provides a microswitch assembly and a door lock device. The microswitch assembly comprises a door lock shell, a microswitch, a movable seat and a handle. The door lock shell is used for being installed on a door body. The microswitch is arranged in the door lock shell; the microswitch is provided with a switch part; the movable seat moves relative to the door lock shell; the moving seat is connected with an operating rod, and the operating rod penetrates through the door lock shell and moves relative to the door lock shell under the operation of a user; the handle is rotationally connected to the door lock shell and abuts against the movable base when rotating, so that the movable base moves downwards along with rotation of the handle. The movable seat contacts the switch part when moving downwards, and the door lock device is in an unlocked state; when moving upwards, the moving seat is separated from the switch part, and the door lock device is in a locked state, so that the handle drives the moving seat to realize state switching of the microswitch, the handle and the operating rod can control the state switching of the microswitch, and the state switching convenience of the microswitch assembly is improved.

A columnar part main body is columnar, a rectangular hole penetrating through the columnar part main body in the thickness direction of the columnar part main body is formed in the middle of the columnar part main body, and the length size of the rectangular hole is 1.1-3.0 times of the width size of the rectangular hole; the first side step part is annular and is arranged in the circumferential direction of one end of the columnar part main body in the thickness direction; the second side step part is annular and is arranged in the circumferential direction of the other end of the columnar part main body in the thickness direction; the deflector rod is arranged on the peripheral wall of the columnar part body and extends away from the columnar part body. According to the square shaft adapter of the handle lock body and the lock body, the length size of the rectangular hole is 1.5-3 times of the width size of the rectangular hole, the square shaft, connected to the handle, of the handle lock penetrates through the rectangular hole, then the square shaft adapter can be driven to rotate through rotation of the handle, the length size of the rectangular hole can be matched with handle locks within a certain model range, and therefore the handle lock body is convenient to use. Particularly, the handle lock is adaptive to different distances between the square shaft and the lock cylinder assembly on different handle locks.

The invention relates to a fastening module (100) forming part of a handle (1) for use on a door or window. The fastening module (100) comprises a gripping element (2) having a gripping shaft (4) with a shaft cavity (6) delimited by a cavity surface. The fastening module (100) includes a fastening device (5) housed inside the shaft cavity (6). The fastening device (5) includes a fastening sleeve (10) having a sleeve passage, a locking ring (11) having a ring square, and a retaining ring (12). The sleeve passage and the ring square are arranged to receive a square (18, 75, 79). The gripping shaft (4) includes a fastening portion in which the cavity surface has an oblong-shaped fastening section that at least partially houses the fastening sleeve (10).The gripping barrel (4) includes a locking portion which has a barrel housing adapted to accommodate a bulge (32) that includes the locking ring (11). The locking portion has a first groove (8) adapted to accommodate at least partially a tab (35) that includes the locking ring (11). Figure 1.

The invention relates to a polygonal spindle arrangement (8) for a handle set for opening and closing a door or window, comprising a first outer spindle (14.1), a second outer spindle (14.2), and an inner spindle (15) which extends coaxially through one of the two outer spindles (14) and is rotatable therein about a pivot axis (12) and axially adjustable between a coupling position (KS), in which the two outer spindles (14) are rotationally fixed to each other, and a decoupling position (ES), in which the two outer spindles (14) are rotatable relative to each other. A compact design is achieved by the fact that the first outer spindle (14.1) has a radially outwardly projecting first coupling structure (18), and that the second outer spindle (14.2) has a radially outwardly projecting second coupling structure (19), and that the inner pin (15) has a radially outwardly projecting driver (20) which, in the coupling position (KS), engages axially with the first coupling structure (18) and with the second coupling structure (19), such that the driver (20) couples the first coupling structure (18) with the second coupling structure (19) in a rotationally fixed manner, and which, in the decoupling position (ES), does not engage axially with the first coupling structure (18), such that the first coupling structure (18) and the second coupling structure (19) are rotatable relative to each other about the axis of rotation (12).

The utility model relates to the field of window handles, in particular to a rotatable handle structure of a window, which comprises a fixed seat, a mounting block, a handle and a second spring, the fixed seat is provided with a sliding groove, the mounting block is provided with a rotating groove, the handle is provided with a movable connecting component, and the mounting block is rotatably connected with a linkage shaft. A linkage box is fixedly connected to one end of the linkage shaft, a moving plate is slidably connected into the linkage box, a linkage assembly is arranged at one end of the moving plate, and the handle drives the linkage box to rotate through the connecting assembly and the linkage assembly. The linkage assembly and the elastic supporting assembly are arranged in a matched mode, after a square inserting rod is inserted into a square groove, a linkage square block drives a movable plate to move, an ejection block pushes the telescopic end of the elastic supporting assembly out of a penetrating hole, limiting on a linkage box is relieved, and the situation that a limiting structure deviates due to the gravity effect is effectively prevented; therefore, the closing effect of the window is enhanced.

The application provides a locking device and a locking method for a handle of a personnel gate interlocking mechanism of a nuclear power plant, and the locking device comprises two fixed supports and a baffle assembly. Each fixed support is provided with a transverse groove and two longitudinal grooves between the transverse groove and the bottom surface of the fixed support. The two transverse grooves on the two fixed supports are respectively used for fixing and mounting I-shaped steels on both sides of the handle. The baffle assembly comprises a baffle connecting piece and two baffles parallel to each other, both ends of each baffle are fixedly connected to the longitudinal grooves of the two fixed supports, and the baffle connecting piece is used for fixedly connecting the two baffles and fixing the bottom of the handle. By arranging the fixed supports and the baffle assembly in the locking device, the I-shaped steels on both sides of the handle are fixed by the fixed supports, the bottom of the handle is fixed by the baffle assembly, the effective fixation of the handle of the personnel gate interlocking mechanism is realized, and the problem that the personnel gate interlocking mechanism is prone to loosening is solved.

This application discloses a door lock structure, housing, and energy storage system, belonging to the field of lock body technology. The door body switches between an open and closed state through the door lock structure. The door lock structure includes a lock rod assembly, a handle assembly, and a latch assembly. The lock rod assembly has a connecting part at its end. The handle assembly is connected to the lock rod assembly and includes a handle body, which is fixedly connected to the lock rod assembly and is used to drive the lock rod assembly to rotate. The latch assembly includes a mounting part with a sliding groove, and a connecting part is movably connected to the sliding groove. The latch assembly has a first locked position and a first unlocked position. The connecting part rotates relative to the mounting part, allowing the latch assembly to move between the first locked position and the first unlocked position. This configuration combines the lock rod assembly, handle assembly, and latch assembly, simplifying the door lock opening and unlocking process and improving the integration of the door lock structure.

The utility model relates to the technical field of intelligent locks, in particular to a handle intelligent lock which comprises a first panel provided with a first handle and a second panel provided with a second handle. Wherein a lock rod assembly is arranged between the first lever handle and the second lever handle, a main circuit board provided with a fingerprint module and a control assembly used for locking the lock rod assembly are installed in the first lever handle, a lock cylinder assembly is further arranged on the inner side of the first lever handle, and the control assembly is used for locking the lock rod assembly. The electric and manual modes of the control assembly and the lock cylinder assembly are adopted for unlocking the lock rod assembly, so that rotation driving of the first handle and the second handle to the locking assembly is conveniently achieved, then the door lock is opened by means of the lock box, the two control modes can meet the operation requirements of different environments, and the safety of the door lock is improved. When the control assembly is powered off, unlocking can be conducted through the manual lock cylinder assembly, and the overall structural design is simple.

The utility model discloses a left and right door switching structure of box, including box and door body, the left and right sides of door body are slidably connected with axle rod, the left and right sides of door body still are rotatably connected with handle, and the linkage structure is equipped between handle and axle rod, and the reset structure is equipped between axle rod and door body, and the left and right sides of box are equipped with connecting seat, and the connecting hole that axle rod is inserted is equipped on connecting seat, and the locating groove is still equipped on connecting seat, and the connecting hole is equipped in the groove bottom of locating groove, and the end of door body still is equipped with locating shaft head, and the locating shaft head and locating groove are positioned through cooperation, and the locating shaft head of door body end portion slides into locating groove through the open place of front side, forms the preposition, ensures that axle rod and connecting hole are in the same axial direction. Operator need not adjust door body left and right position and axle rod angle simultaneously, only need to slide into locating groove with locating shaft head, can automatic completion axle rod and connecting hole's accurate alignment, significantly reduces installation complexity.

The utility model discloses a simple ecological door lock which comprises an inner handle seat and an outer handle seat, an inner handle is rotatably arranged on the inner handle seat, and an outer handle is rotatably arranged on the outer handle seat. A back locking assembly is arranged in the inner handle, and a locking assembly is arranged in the outer handle. The locking assembly comprises a handle head on the outer handle, a locking cam and a locking column, wherein the locking cam and the locking column are rotationally arranged in the handle head. A lower locking groove is formed in the side wall of the outer handle seat, and an upper locking groove is formed in the outer handle. One end of the locking cam is connected with the linkage plate, the counter lock assembly drives the locking cam to rotate through the linkage plate, the locking cam extrudes the locking column outwards, one part of the locking column can penetrate through the locking hole of the handle head, and the upper end and the lower end of the locking column are arranged in the upper locking groove and the lower locking groove respectively. The outer handle is locked on the outer handle seat; a back locking split ring is omitted, and the door lock structure is simplified; the door lock production cost is reduced, and the appearance of the door lock is simpler and more attractive.

Lock characterized by the fact that the lock includes: a handle unit with a first handle and a second handle that are opposite each other, a lock body unit comprising a locking bracket and a square pin, wherein the locking bracket is arranged on one side of the first handle and is provided with a locking hole, wherein one end of the square pin is connected to the first handle and the other end to the second handle, wherein the square pin is provided in its axial direction with a locking section and a free section, wherein the lock body unit is in a locked state when the locking section is received in the locking hole, and wherein the lock body unit is in an unlocked state when the free section is aligned in the locking hole.

This invention discloses a top-opening aircraft overhead luggage lock and a top-opening aircraft overhead luggage compartment. The lock mainly consists of a rotary lock assembly and a latch. The rotary lock assembly includes a lock base, a first rotating shaft, a second rotating shaft, a first cam, a second cam, and a latch. The first and second rotating shafts are rotatably mounted on the lock base, with the first rotating shaft located below the second rotating shaft. The first cam is fixed to the outer surface of the first rotating shaft, and the second cam is fixed to the second rotating shaft. The first and second cams are offset and have openings at their opposite ends, allowing them to rotate in opposite directions through interlocking openings. The latch is located at the end of the second cam opposite to the first cam. The latch is located within the rotation area of ​​the latch. The first rotating shaft acts as a drive shaft, with the first cam driving the second cam to rotate in the opposite direction until the latch engages with the latch. This invention employs a concealed latch design, preventing interference with the protruding latch when passengers are placing luggage. The entire lock structure is simple and reliable.

The invention provides an indoor door lock. The first handle seat comprises a first through hole, a first limiting convex ring and a pin hole; the first handle shell comprises a first main shell body and a first handle part, a first limiting groove and a sliding groove are formed in the first main shell body, and the first main shell body is rotationally connected with the first handle seat; a second handle seat; the second handle shell comprises a second main shell body rotationally connected with the second handle seat; the square steel comprises an axial through hole, and the square steel is respectively connected with the first main shell and the second main shell; the counter lock assembly comprises a lock cylinder, a shifting peach, a transmission rod, a transmission block, a lock plate, a lock pin and an elastic piece, the lock cylinder and the shifting peach are arranged in the second main shell, and the transmission block, the lock pin and the elastic piece are arranged on the first main shell; and the transmission rod penetrates through the axial through hole of the square steel and is respectively connected with the shifting peach and the transmission block. The telescopic distance of the spring bolt driven by the square steel is greatly increased, and use faults of the indoor door lock are reduced.

The utility model discloses a lock and relates to the technical field of door locks, the lock comprises a lock box, a rotating shaft and a handle assembly, at least three limiting protruding blocks are arranged on the periphery of the rotating shaft, a limiting groove is formed between every two adjacent limiting protruding blocks, the handle assembly comprises a handle body and a sleeving part, and at least three positioning protruding blocks are arranged on the sleeving part; a limiting groove is formed between every two adjacent positioning protruding blocks, through sliding of the sleeving part relative to the rotating shaft, the different positioning protruding blocks can enter and exit from the different limiting grooves, and the different limiting protruding blocks can enter and exit from the different positioning grooves, so that the handle assembly has multiple installation positions relative to the lock box, and the movement space of the handle assembly is adjusted; and the probability of wall collision is reduced.