19 results about "Joint lock" patented technology

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 utility model relates to a folding device butt joint lock catch structure which is composed of a single body and a sectional type lock set, the single body is provided with a first hinge and a second hinge which can be folded relatively, and the sectional type lock set is provided with a pressing plate piece and a locking piece which can be coaxially pivoted, so that a mechanism with a two-section type safety lock catch can be generated. According to the utility model, the unlocking of the maloperation piece is effectively avoided, the automatic locking function can be achieved, the operations of folding, closing and butt joint of the lock catch are more convenient, meanwhile, the locking force is stronger, and the use safety can be improved.

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.

The utility model belongs to the field of hardware metal component application, and particularly belongs to a drawer assembly adjusting mechanism convenient to disassemble, which comprises a bottom plate, a plurality of first mounting buckles are arranged on the bottom plate and used for clamping a support, a plurality of second mounting buckles are arranged on the support and used for clamping a locking plate, the locking plate is elastically connected with the support, and the locking plate is arranged on the bottom plate. The elastic connection comprises a rivet and a spring piece, the two ends of the elastic hook are connected with the support and the locking piece in a clamped mode respectively and used for limiting the locking piece to do reciprocating motion relative to the support, the bottom plate, the support and the locking piece are connected together in a connecting mode of the installation buckle, disassembly and assembly are convenient, and the disassembly efficiency is improved. Reciprocating motion of the locking plate relative to the support is achieved, operation is more stable, and the spring piece only needs to be taken down from the support and the locking plate to replace the spring piece.

The baby crib comprises a first side frame, a second side frame, a first surrounding rod set, a second surrounding rod set, a first joint lock, a second joint lock, a first unlocking assembly, a second unlocking assembly and a third unlocking assembly. If unlocking is needed, a user can stand at the position, corresponding to the first unlocking assembly, of the first side frame or the second side frame and act on the first unlocking operation piece, and the first unlocking operation piece can control the first joint lock and the second joint lock to be switched from the locking state to the unlocking state. Or, the user can stand on the side, deviating from the second surrounding rod set, of the first surrounding rod set or the side, deviating from the first surrounding rod set, of the second surrounding rod set and act on the second unlocking operation piece and the third unlocking operation piece, and therefore the second unlocking operation piece can control the first joint lock to be switched from the locking state to the unlocking state; the third unlocking operation piece can control the second joint lock to be switched from the locking state to the unlocking state. In this way, unlocking can be conducted when a user stands on the long edges and the short edges of the baby crib, and unlocking convenience is improved.

1. The name of the product of this design: Lock (AB). 2. Purpose of the product with this design: The product with this design is a lock, which is the lock head of a cable lock, joint lock, or chain lock, and is used to protect the safety of locked items. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. Designate Design 1 as the base design.

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.

The utility model discloses a construction ladder convenient to move. The folding ladder comprises two ladder foot frames and a plurality of folding frames, the two ends of each folding frame are connected through joint lock catches, the multiple folding frames are sequentially connected between the two ladder foot frames through joint lock catches, second rolling wheels are arranged at the ladder foot ends of one ladder foot frame, and ladder climbing wheels are arranged on the two sides of the ladder foot ends of the other ladder foot frame; when the construction ladder body needs to be carried on the stairs, the ladder foot frames and the folding frames are folded, the ladder climbing wheels move on the edges of the stairs, when the ladder climbing wheels move from the first stair to the second stair, the wheel frameworks rotate, and when the ladder climbing wheels move on the stable ground, the first rolling wheels rotate; the construction ladder body provided with the ladder climbing wheels can easily roll on the ground and / or stairs, so that the labor burden in the carrying process is greatly reduced, the carrying of the construction ladder body becomes simpler and more convenient, and the working efficiency is improved.

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 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.

The invention discloses a rotary joint linkage locking device which comprises a lock disc, a joint lock, a steel wire rope, an operation part, a first rotary part, a second rotary part, an operation table and a rotary joint. The lock disc and a lock pin of the joint lock are fixed to the first rotating component and the second rotating component respectively, the first rotating component and the second rotating component rotate relatively, the lock disc is provided with lock grooves corresponding to the lock pin, and a plurality of different locking positions correspond to a plurality of different lock grooves. The lock pin is fixedly connected with one end of the swing rod, the other end of the swing rod can rotate around the fixing shaft, one end of the swing rod is connected with the operation piece at the far end through a steel wire rope, and the operation piece is connected with the operation table. Linkage locking and unlocking of multiple rotary joints of the auxiliary mechanical arm without a power source are achieved, and meanwhile the linkage locking mechanism has the beneficial effects of being convenient to operate and reliable in locking.

1. The name of the design product: joint lock nut machine (RB-20.RB-32). 2. The use of the design product: the design product is used for buckling oil pipe joint. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a control rod reactor top connector locking tool, and relates to the technical field of dismounting tools, the control rod reactor top connector locking tool comprises a connecting cylinder, the connecting cylinder comprises a contact end used for clamping a connector and a force application end used for applying force, the side face, close to the contact end, of the connecting cylinder is provided with a receding opening used for receding a cable on the connector, and the side face of the connecting cylinder is provided with a locking device. A limiting groove is formed in the inner side wall of the contact end, the limiting groove corresponds to the protruding edge on the connector, the extending direction of the limiting groove is parallel to the axis of the connecting cylinder, and the limiting groove penetrates through the end face of the contact end; the force application end is provided with a force application structure facilitating force application. According to the control rod reactor top connector locking tool, the body or clothes cannot be contaminated when an operator installs or disassembles a connector, the fastening work is convenient to operate, and the fastening reliability is better.

The utility model belongs to the technical field of protective devices for beds, and particularly discloses a liftable and foldable bed guardrail, which comprises a U-shaped roll-over stand, a bed guardrail and a lifting device, the upper ends of the two vertical rods are rotationally connected with the two ends of the overturning frame through joint connecting assemblies correspondingly; the joint connecting assembly comprises a first joint piece fixedly connected to the lower end of the overturning frame, a second joint piece fixedly connected to the upper end of the vertical rod and rotationally connected with the first joint piece, and a joint locking assembly arranged in the joint connecting assembly, and the joint locking assembly is used for locking the first joint piece and the second joint piece to prevent the overturning frame from overturning outwards relative to the vertical rod; the cross rod is connected to the lower parts of the two vertical rods; the telescopic pipe is inserted into the lower part of the vertical rod; the lifting assembly is connected between the cross rod and the vertical rod and used for driving the cross rod to move up and down along the telescopic pipe and locking the position. According to the device, stable locking and flexible overturning of the overturning frame are achieved through the joint connecting assembly, the height is adjusted through the lifting assembly, and safety and practicability are both considered.

The utility model relates to the technical field of pipeline connecting pieces, and discloses a pipe fitting connector locking device which comprises a first hoop assembly and a second hoop assembly, the first hoop assembly and the second hoop assembly are movably connected through a hinge, a buckle is movably installed on the outer side of the first hoop assembly, and the buckle is movably installed on the outer side of the second hoop assembly. A first mounting base is fixedly mounted on the outer side of the second hoop assembly, and a sealing pipe is movably mounted between the first hoop assembly and the second hoop assembly. The sealing pipes are arranged in the first hoop assembly and the second hoop assembly, the inner sockets of the two-way circular truncated cone structures are arranged in the sealing pipes, two sections of pipelines can be connected with the inner sockets in an inserted mode through the sealing pipes, sealing is achieved, and meanwhile by means of the arrangement of the two sets of pull rings, the pipelines can be pressed to move in the direction of sealing gaskets in the sealing pipes. Therefore, the sealing pipe and the inner socket are installed on the outer side and the inner side of the pipeline more tightly in a penetrating mode, the sealing performance is improved, and the pipeline is effectively prevented from being separated from the first hoop assembly and the second hoop assembly.

The utility model relates to the technical field of steel structure butt joint, and discloses an automatic butt joint locking connecting device for a building steel structure, which comprises a base, a control device is arranged in the base, universal wheels are movably arranged at the bottom end of the base, and a multi-shaft driving assembly for changing the position of the steel structure is arranged at the top end of the base. According to the automatic butt-joint locking connecting device for the building steel structure, through cooperative work of the driving equipment, the gear transmission system, the movable seat and the electric rotating seat, rapid clamping, position adjustment and angle adjustment of the steel structure are achieved. The process not only greatly shortens the butt joint locking time of the steel structure, but also ensures high-precision positioning of the steel structure in the butt joint process through real-time monitoring of the position sensor. According to the efficient and accurate operation mode, the working efficiency is improved, installation errors caused by position deviation or angle inaccuracy are reduced, and therefore the stability and safety of the steel structure are guaranteed.

A tool 100, such as a flex-type joint tool or ratchet tool, includes a locking mechanism to selectively retain the angle of a head 105 relative to a handle 101. The locking mechanism includes a lockin