66 results about "Joint locking" patented technology

The invention provides a pipe fitting connector locking structure which comprises a fixing sleeve, limiting clamping rings are installed at the two ends of the fixing sleeve correspondingly, locking rails are installed on the two limiting clamping rings correspondingly, positioning grooves are formed in the two limiting clamping rings correspondingly, adjusting plates are installed in the positioning grooves, the locking rails are located on the rear sides of the adjusting plates, and the locking rails are located on the rear sides of the adjusting plates. A locking rail is installed on the rear side of the adjusting plate and located on the outer side of the positioning groove, a locking structure is installed on the rear side of the adjusting plate and located in the locking rail, a plurality of clamping plates are installed in the limiting clamping ring, adjusting pieces are installed on the clamping plates, and a sealing structure is installed in the fixing sleeve. The fixing sleeve has the following beneficial effects that the calibers of the two ends of the fixing sleeve can be conveniently adjusted according to the calibers of the pipe fitting connectors, and the adaptation degree between the fixing sleeve and the pipe fitting connectors is improved.

The invention relates to the technical field related to medical instruments, and discloses a multi-joint locking type retractor for preparing a free tissue valve, which comprises a first joint arm, a second joint arm and a third joint arm, a bedside fixing frame is arranged at the lower end of the first articulated arm, a second articulated arm is rotatably arranged at the upper end of the first articulated arm, and the medical bed is characterized in that a third articulated arm is rotatably arranged at the end part of the second articulated arm, and a clamping module is rotatably arranged at the front end of the third articulated arm; according to the invention, through a cooperative structure of a fixing buckle, a rotating buckle, a bolt and a knob of the bedside fixing frame, and through cooperation of a threaded sleeve of the first joint arm and a thread adjustment design of the telescopic joint, stable connection (no obvious looseness) and height adaptation (according with operation habits of operators and requirements of operation sites) of the device and an operation bed frame are realized.

The invention discloses a universal butt-joint high-rigidity butt-joint locking quick-change device for large-scale modular on-orbit assembly, and belongs to the technical field of space robots. An existing butt joint interface is poor in universality and difficult to adapt to diversified on-orbit assembly requirements. A first positioning surface is arranged at the top end of a driving end shell, and an opening is formed in the outer circumferential surface; a clamping jaw driving assembly is arranged in the shell; the clamping jaw comprises three capturing fingers and three groups of corresponding finger connecting assemblies, each group comprises a hinge seat, a finger connecting rod, a first pin shaft, a second pin shaft and a third pin shaft, the hinge seat can be driven by the clamping jaw driving assembly to move up and down, one end of each capturing finger is connected with one end of the corresponding finger connecting rod through the corresponding first pin shaft, and the other end of each capturing finger extends out of an opening of the shell; the other end of the finger connecting rod is connected with the hinge seat through a second pin shaft; the third pin shaft is mounted at the position, close to the opening, of the shell and rotationally connected with the capturing finger; the passive butt joint module is provided with a locking groove matched with the clamping jaw and a second positioning face matched with the first positioning face.

The ratchet tool 100 includes tang teeth 118 on a head 105, and a yoke 115 with a yoke base on a handle 101. The base includes first and second detents (122, 123, Figure 2D). The head is pivotally cou

The present application relates to the technical field of joint equipment, more particularly to a nuclear grade quick joint with pressure relief and multi-stage safety interlocking, comprising: a plug and a socket structure; the socket structure comprises: an adapter pipe, one end of the adapter pipe is connected with an adapter head, and the other end of the adapter pipe is connected with the plug in a plug-in manner; a locking mechanism for limiting and locking the plug is installed inside the adapter pipe, and a ball valve mechanism for cutting off the medium channel between the adapter head and the plug is installed inside the adapter pipe, the ball valve mechanism is connected with a control sleeve which is slidably arranged on the outer side surface of the adapter pipe, and an auxiliary pressure relief mechanism is installed on the control sleeve to discharge the medium in the ball valve mechanism and the medium channel after the ball valve mechanism cuts off the medium channel. The present application has reliable pressure relief function, and can realize multi-stage safety interlocking with the joint locking mechanism, so that the unlocking and dismounting of the plug are allowed only after the cavity pressure is safely released and the residual medium is completely discharged, thereby comprehensively improving the safety and reliability of the operation of the nuclear grade pipeline connection.

The utility model discloses a rapid installation flexible pipe connecting joint for first-aid repair and repair, which comprises a joint connecting locking fixing sleeve installed on a flexible pipe; the connector connecting and locking inner sleeve is installed on the flexible pipe, the diameter of the connector connecting and locking inner sleeve is smaller than that of the connector connecting and locking fixing sleeve, and the connector connecting and locking inner sleeve abuts against the connector connecting and locking fixing sleeve; one end of the connector inner core is inserted into the flexible pipe, and the other end of the connector inner core is connected with the connector locking cap. And the connecting joint combination consists of two connecting joints. The rapid installation flexible pipe connector for first-aid repair is easy and convenient to install and does not need to be matched with large-scale equipment. And the joints do not need to be welded, so that potential safety hazards are reduced.

A folding wheelchair joint locking structure comprises a fixing seat, a supporting rod, a limiting rod and an extension spring, the fixing seat is fixed to a rear supporting frame, one end of the supporting rod is hinged to a front supporting frame to form a hinged end, the other end of the supporting rod is in sliding fit with the fixing seat to form a movable end, the limiting rod is installed on the fixing seat, and the extension spring is installed on the limiting rod. One end of the extension spring is hooked to the end of the fixing base, the other end of the extension spring is hooked to the movable end of the supporting rod, a double-locking mechanism is achieved through the fixing base, the supporting rod, the limiting rod and the extension spring, and use safety and driving stability are remarkably improved. During folding, the supporting rods are automatically clamped into the positioning grooves to form self-locking, and accidental unfolding caused by carrying vibration is effectively prevented; during unfolding, the limiting rods and the extension springs cooperate to ensure that the front supporting frame and the rear supporting frame are stably unfolded during driving of the joint parts, the stability is improved, the technical defect of joint locking of an existing wheelchair is overcome, and the user experience is improved.

The invention discloses a navigation reduction and reduction maintenance device for long bone fractures, which comprises two reference frames, and the position changes of two broken bones are tracked by a navigation system; two operating structures of the reference frames are provided, and the operating reference frames and the operating structures do not undergo relative position changes, and the reference frames are provided with insertion parts, and the two insertion parts are respectively inserted into the two broken bones; a reduction and maintenance structure is also provided, which comprises a connecting rod, an adjustment locking ring and an adjustment locking structure respectively provided on the two operating structures, the connecting rod extends into the two adjustment locking rings, and the adjustment locking rings and the connecting rod are respectively controlled to switch between a non-locked state and a locked state through the two adjustment locking structures; the operating part is controlled to drive the broken bone to undergo reduction movement, and the navigation system tracks the reference frame to observe whether the broken bone is reduced on a display structure; after reduction, the adjustment locking structure locks the position relationship between the adjustment locking ring and the connecting rod, and after the positions of the two ends of the connecting rod are locked, the positions of the connecting rod and the operating part are locked.

The invention provides a multifunctional exoskeleton device, and belongs to the technical field of wearable auxiliary equipment, specifically, a hip joint module is provided with a hip joint locking mechanism, and a knee joint module is provided with a knee joint locking mechanism; a first rolling wheel is installed behind the waist module through a folding frame, a folding locking mechanism for locking the folding and unfolding states of the folding frame is arranged on the folding frame, a second rolling wheel is connected to the knee joint module or the shank part through a supporting rod, and the supporting rod is rotationally installed on the knee joint module or the shank module. A support locking mechanism for locking the position of the support rod is arranged on the knee joint module or the shank part; a plurality of connecting rods are detachably hung on the thigh parts, first connecting seats are arranged at the ends, close to the knee joints, of the thigh parts, second connecting seats are arranged at the ends, away from the knee joints, of the shank parts, the first connecting seats and the second connecting seats are used for being detachably connected with the ends of the connecting rods in a clamped mode, and the multifunctional exoskeleton device comprises an upright form and a trolley form.

The utility model relates to a tank butt-joint locking device, which is used for butt-joint locking of an upper tank and a lower tank and comprises a mounting seat, a driving component, a transmission component, a locking component and a guide component. The driving assembly drives the transmission assembly to rotate and controls the locking assembly to stretch out or retract, so that the lower tank body is tightly attached to the flange face of the upper tank body or separated from the flange face of the upper tank body, the purpose of locking or unlocking is achieved, the implementation mode is simple in structure, convenient, fast and efficient, unmanned operation can be achieved in the whole process, and personal harmfulness is remarkably reduced; and the flaring hole of the guide assembly can play a guiding role, so that the butt joint of the flange surfaces of the lower tank body and the upper tank body is more accurate, and the butt joint locking efficiency is improved.

1. The name of the design product: valve (silk joint locking valve). 2. The use of the design product: for controlling the medium flow in the pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The present invention is in regard to multiple specification Hard Capsule, which is formed via the joint locking between the multiple Locks of the Cap (upper part) and Body (lower part) to allow production of single hard capsules capable of functioning as variable sizes.

The invention belongs to but is not limited to the technical field of medical instruments, and particularly relates to aortic dissection blocking forceps capable of being adjusted in multiple degrees of freedom, comprising a multi-joint linkage adjusting module, which has a core of a forceps arm composed of at least three lockable rotary joints, realizes multi-dimensional posture adjustment of a forceps body, and adapts to different blood vessel trends; the forceps head self-adaptive rotating module is connected to the joint at the farthest end, 360-degree continuous rotation of the forceps head is achieved, and it is ensured that the clamping face of a jaw is perpendicular to the longitudinal axis of the blood vessel; the accurate control and positioning module is integrated with an angle fine adjustment knob and an ergonomic handle, and real-time and accurate posture fine adjustment and stable holding in an operation are achieved; and the safe locking and quick release module is linked with a joint locking mechanism and a handle quick release button to realize joint locking and unlocking and quick clamp loosening under emergency conditions.

The tongue lifting device comprises a handle, a rotating joint, an angle adjusting mechanism and the laryngoscope, the rotating joint comprises a first joint and a second joint, the handle is connected to the first joint, the laryngoscope is connected to the second joint, the angle adjusting mechanism is arranged between the first joint and the second joint, and the angle adjusting mechanism is arranged between the first joint and the second joint. The second joint is locked or unlocked relative to the first joint; the angle adjusting mechanism comprises an operating piece and a locking piece, the operating piece, the locking piece, the first joint and the second joint are coaxially arranged, and a plurality of clamping positions are arranged in the first joint in the circumferential direction around the center shaft; the locking piece is arranged between the first joint and the second joint, and clamping teeth are arranged on the periphery of the locking piece. The operation piece is arranged on one of the first joint and the second joint in a sliding mode along a pivot shaft of the first joint. The device has the advantages of being easy to operate and convenient to use.

The utility model discloses a tongue lifting device and visual laryngoscope, including handle, rotational joint, angle adjusting mechanism and laryngoscope, rotational joint includes first joint and second joint, handle is connected with the first joint, laryngoscope is connected with the second joint, angle adjusting mechanism is connected with the angle adjusting mechanism, and the angle adjusting mechanism is connected with the angle adjusting mechanism. The angle adjusting mechanism is arranged between the first joint and the second joint so as to lock or unlock the second joint relative to the first joint; the angle adjusting mechanism comprises an operating piece and a locking piece, the operating piece, the locking piece, the first joint and the second joint are coaxially arranged, and a plurality of clamping positions are arranged in the first joint in the circumferential direction around the center shaft; the locking piece is arranged between the first joint and the second joint, and clamping teeth are arranged on the periphery of the locking piece. The operation piece is arranged on one of the first joint and the second joint in a sliding mode along a pivot shaft of the first joint. The utility model has the advantages of simple operation and convenient use.

The utility model discloses a screw-in type fastener, and particularly relates to the technical field of fasteners, the screw-in type fastener comprises a thread bushing, a bolt and a support frame, the bolt is in threaded connection with the inner wall of the thread bushing, the support frame is located on one side of the thread bushing, and a butt joint locking assembly is arranged in the support frame; the butt joint locking assembly comprises a linkage screw rotationally arranged in the supporting frame, the outer wall of the linkage screw is in threaded connection with two sleeving blocks, one side of each sleeving block is fixedly connected with a linkage block, and one end of each linkage block is fixedly connected with a positioning strip. The butt-joint locking assembly is adopted, the linkage screw rod rotates in the supporting frame, the linkage screw rod drives the two sleeving blocks to get close to each other under the action of thread transmission force, the inserting column is inserted into the inserting hole, the inserting block is inserted into the positioning hole in the first rotating cap, the bolt is prevented from loosening and rotating, and meanwhile the first rotating cap is prevented from loosening and rotating; and the locking firmness is higher.

The application discloses a pipeline tightening compression joint, which comprises a circular joint inner core, a joint compression sleeve and a joint outer sleeve. The outer side of the joint inner core is provided with a protruding part, and the inner side of the joint compression sleeve is provided with a clamping groove part corresponding to the protruding part. The joint compression sleeve is composed of several arc-shaped pieces which are movably connected. The surface of the joint compression sleeve and the joint outer sleeve is an inclined surface. The outer surface of the joint compression sleeve is provided with grooves at intervals. An arched spring piece is arranged in each groove. An iron piece is arranged above the spring piece. One end of the iron piece is connected with the side surface of the groove through a pin, and the other end of the iron piece extends out of the groove. The inner wall of the joint outer sleeve is provided with a clamping groove which is recessed and corresponds to the groove. Corresponding connecting holes are arranged on the outer side flanges of the joint outer sleeve and the joint inner core. The joint locking force is realized by the inclined surface sliding, the hose is clamped, the self-locking structure is increased, the structure is light and compact, the joint connection firmness is high, the installation efficiency is fast, and the installation cost is low.

The application provides a multifunctional exoskeleton device, and belongs to the technical field of wearable auxiliary equipment, specifically, a hip joint locking mechanism is arranged on a hip joint module, and a knee joint locking mechanism is arranged on a knee joint module; a first roller is arranged on the rear of a waist module through a folding support, a folding locking mechanism for locking the folding support in a folded state or an unfolded state is arranged on the folding support, a second roller is connected to the knee joint module or a lower leg part through a supporting rod, the supporting rod is rotatably arranged on the knee joint module or the lower leg module, and a supporting locking mechanism for locking the position of the supporting rod is arranged on the knee joint module or the lower leg part; a plurality of connecting rods are detachably mounted on a thigh part, a first connecting seat is arranged on the end of the thigh part close to the knee joint, a second connecting seat is arranged on the end of the lower leg part away from the knee joint, the first connecting seat and the second connecting seat are used for detachably clamping the end of the connecting rod, and the multifunctional exoskeleton device comprises a standing mode and a trolley mode.

This invention discloses a push-pull retractable footrest and a seat. The push-pull retractable footrest includes a footrest, an outer telescopic component, an inner telescopic component, a connecting mechanism, a joint locking mechanism, and a position locking mechanism. The inner telescopic component is slidably connected to the outer telescopic component, and the linkage mechanism is rotatably connected to the footrest. The joint locking mechanism includes a locking head that locks or unlocks the footrest, and the position locking mechanism is locked at a first limiting part or a second limiting part. The seat includes a push-pull retractable footrest. In this invention, the linkage mechanism, joint locking mechanism, and position locking mechanism are linked together with the sliding of the inner telescopic component relative to the outer telescopic component, and perform corresponding unlocking, locking, and footrest rotation actions. When the footrest needs to be retracted, the user only needs to push or pull the inner telescopic component to switch the footrest's state. Furthermore, the footrest and the inner telescopic component can be locked after the footrest is retracted, keeping the footrest stable. The retraction and retraction actions are minimal, resulting in high operational convenience.

The utility model discloses a kind of assembly type formworks for building construction, including formwork body and prop, the prop is used to limit and support to the formwork body, clamping groove is opened in the length direction one side wall of the formwork body, and the other side wall is integrally formed with the convex strip matched with the clamping groove, the convex strip can be inserted into the clamping groove of adjacent formwork body, the quick splicing between formwork is realized.In the utility model, when the worker overturns connecting mechanism to install prop, the action will automatically trigger locking mechanism to enter working preparation state, and the two key steps of formwork support and joint locking are fused into one smooth and coherent operation, which not only greatly simplifies the process, improves the assembly efficiency, but also significantly reduces the safety risk caused by step omission.

The utility model discloses a screwed joint locking device and vibration equipment, which comprises an equipment pipeline, a water pipeline and a damping connecting pipe, one end of the equipment pipeline and one end of the water pipeline are respectively in threaded connection with the damping connecting pipe through screwed joints, and the screwed joint locking device further comprises a limiting assembly; the limiting assembly comprises a baffle and a double-thread screw. The two baffles are arranged on the equipment pipeline and the water passing pipeline in a sleeving mode correspondingly, the baffles abut against the sides, away from the damping connecting pipe, of the threaded connectors, the multiple double-thread screws are arranged, and the two ends of the double-thread screws penetrate through the baffles correspondingly and are fixedly connected with nuts. The baffles and the double-thread screws are additionally arranged on the two sides of the threaded connector, and the additional fixing and limiting functions are provided. And through the structural arrangement that the baffles abut against the threaded connectors, axial movement of the threaded connectors is further limited, the damping connecting pipe is firmly limited between the two threaded connectors, and therefore the stability and safety of threaded connection are improved, looseness caused by vibration is reduced, and the damping effect of the device is enhanced.

The invention provides a linear drive continuum robot hinge locking mechanism based on electrostatic locking and a preparation method, the locking mechanism comprises a joint connecting rod assembly and an electrostatic braking unit, the joint connecting rod assembly comprises a connecting section, and a joint connecting rod driven end and a joint connecting rod driving end which are the same in structure are symmetrically arranged on the two sides of the connecting section; the joint connecting rod driven end and the joint connecting rod driving end each comprise a base, two connecting pieces are arranged on each base in parallel, and the electrostatic braking units are embedded in the bases. The electrostatic braking unit comprises a single-face electrode set and a double-face electrode, and the double-face electrode is inserted into the single-face electrode set. According to the linear-driven metamorphic robot, the structure of the hinge locking joint is optimized, stepless locking and rapid unlocking of the joint are achieved through an electrostatic locking mechanism, on the premise that a driving source and the outer diameter are not increased, the stability and adaptability of the locking torque of the joint are improved, and a core joint solution is provided for application of the linear-driven metamorphic robot.

The invention provides a knee joint structure of an exoskeleton, and belongs to the technical field of exoskeletons.The knee joint structure of the exoskeleton specifically comprises a thigh connecting piece and a shank connecting piece, a mounting shell is fixedly connected to the thigh connecting piece, a rotating disc is fixedly connected to the shank connecting piece, the rotating disc is rotationally connected with the mounting shell, and a first arc section mounting groove is formed in the circumferential side wall of the mounting shell; a second arc section mounting groove is formed in the circumferential side wall of the rotating disc, the inner wall face of the first arc section mounting groove and the inner wall face of the second arc section mounting groove are concyclic, and a rotating block is rotationally arranged on the side wall of the mounting shell. The rotating block is at least partially located in the first arc section mounting groove and completely located outside the range of the first arc section mounting groove; when the rotating block is in the locking state, part of the rotating block is located in the first arc section mounting groove, and part of the rotating block is located in the second arc section mounting groove. According to the treatment scheme, the locking and unlocking speed and reliability of the exoskeleton knee joint are improved.

A flex joint headed tool with a locking mechanism adapted to selectively retain the angle of the head relative to a handle. The locking mechanism may retain the head in at least one of two positions using a bias member and two detent balls disposed at opposite ends of the bias member. The bias member and detent balls may be disposed in a through hole disposed in a locking lever, with one detent ball engaging a joint tang and the other detent ball engaging a detent disposed in a tool body or handle, wherein the detent balls provide tactile response to a user. The locking lever may rotate between locked and unlocked positions, whereby in the locked position, the ratchet head is prevented from rotating relative to the handle, and when in the unlocked position, the head may rotate relative to the handle.

A medical device includes an end effector at a distal end of the medical device, an actuator coupled to a proximal end of the end effector, a pivot arm pivotally coupled to the end effector distal of the proximal end of the end effector, where actuation of the actuator pivots the end effector relative to the pivot arm, and a lock on the end effector and the pivot arm, where the lock has a first state permitting the end effector to pivot relative to the pivot arm and a second state restricting the end effector from pivoting relative to the pivot arm.

1. The name of the design product: the main body of the gas joint locking device. 2. The use of the design product: the overall use is the gas joint locking device; the local use is the main body of the gas joint locking device. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the part shown by the dashed line in the figure does not require appearance protection; the part circled by the dash-dot line does not require appearance protection.

The utility model belongs to telescopic joint locking technical field discloses a kind of telescopic joint locking mechanism for petroleum steel pipe stability, including outer locking ring, connecting piece, locking inner tube and baffle, the accommodating space is formed in the inside of outer locking ring, the connecting piece and locking inner tube are set in the inside of outer locking ring, the locking inner tube is movably inserted in the inside of connecting piece, the outer locking ring is fixedly connected with the locking inner tube by fixed pin, the baffle is set in the inner end surface of outer locking ring, the baffle is fixedly connected with the connecting piece by screw.The utility model in the quick insertion of outer locking ring and locking inner tube by fixed pin is set, in combination with the screw fixing mode of baffle and connecting piece, the modular assembly of telescopic joint locking mechanism is realized, locking and unlocking can be completed by only inserting or pulling out fixed pin, without disassembling multiple fasteners one by one, avoid the delay of operation caused by operation time-consuming too long.

The utility model relates to the technical field of curtains, in particular to a sectional type curtain track which comprises track units and a splicing structure, each track unit comprises a side track, a transmission rack, a side connection positioning mechanism and a side connection locking mechanism, and the splicing structure comprises a butt joint locking mechanism and a butt joint positioning mechanism which are used for locking two adjacent side tracks. The butt joint locking mechanism comprises an insertion piece, an elastic lock catch, an insertion groove and a buckling groove. The side connection locking mechanism is adopted to lock the transmission rack and the side rail corresponding to the transmission rack in length to form the rail unit, and then when the insertion piece is connected with the insertion groove in an inserted mode, the elastic lock catch is connected with the buckling groove in a clamped mode to achieve locking of the two adjacent side rails. According to the sectional type curtain track, the track units with different lengths are spliced to form the curtain track with any length, the processes of measuring, cutting and the like are not needed, and the transportation cost is reduced.

The invention discloses a buckling restrained brace with a locking device, and relates to the technical field of buckling restrained braces.The buckling restrained brace is characterized in that a restraining component of the buckling restrained brace is arranged on the outer side of an energy consumption core in a sleeving mode, end plates comprise the bottom end plate and the top end plate, and the restraining component and the energy consumption core are welded to the bottom end plate; the energy consumption core and the end sleeve are welded to the top end plate. The locking device is fixed on the inner side of the end sleeve; the two limiting pieces are fixed to the outer side of the restraining component, and the locking device is located between the two limiting pieces. When the locking device moves along with the end sleeve and makes contact with any limiting piece on the two sides, the locking device returns to the initial zero position under the reciprocating earthquake effect, the locking device plays a locking role, and the relative movement of the end sleeve and the restraining component is limited. A reciprocating action mechanism of an earthquake load is combined with a locking device to realize self-resetting. After the locking device is triggered, the supporting rigidity and the bearing capacity are remarkably improved.

35 22779575_1 (GHMatters) P119761.AU.2 Abstract Adapter device and connecting mechanism thereof (Figure 1) A connecting mechanism (300) includes a first joint (310), a second joint (320), a lock pin (350), an unlock operating member (360, 360') and a stationary base (330). The first joint (310) is pivotally connected to the second joint (320). The lock pin (350) is movably disposed between the first joint (310) and the second joint (320) and configured to lock or unlock the first joint (310) and the second joint (320). The unlock operating member (360, 360') is connected to the lock pin (350) and configured to drive the lock pin (350) to disengage from the first joint (310) or / and the second joint (320), so as to unlock the first joint (310) and the second joint (320). The stationary base (330) is connected to the first joint (310) or the second joint (320) and configured to be detachably connected to a baby carriage. Abstract 20 26 20 49 39 25 J un 2 02 6 A b s t r a c t 2 0 2 6 2 0 4 9 3 9 2 5 J u n 2 0 2 6