26results about How to "Force is small" patented technology

The utility model provides a one-button type quick disassembly and assembly structure and a one-button type quick disassembly and assembly steering wheel structure, which comprise a connector and a quick disassembly device, the connector is detachably arranged on the quick disassembly device, the connector is provided with a plurality of bead grooves, and the quick disassembly device comprises a fixed seat, a neck ring, a handle and a connecting rod; a plurality of slotted holes are formed in the fixed seat relative to the ball grooves, and steel balls are placed in the slotted holes; the neck ring is arranged on the periphery of the fixing base in a sleeving mode to limit movement of the steel balls, and a plurality of inclined grooves corresponding to the groove holes are formed in the neck ring. One end of the handle is connected to the fixed seat, the other end of the handle is connected with one end of the connecting rod, the other end of the connecting rod is rotationally connected with the neck ring, and the neck ring is driven to rotate by rotating the handle, so that the connector and the quick release device are locked / detached. By adopting the one-button design, a user can complete assembly and disassembly of the steering wheel with one hand, and the operation convenience is greatly improved. And connection and disassembly of mechanical parts can be rapidly achieved, and wide applicability and practicability are achieved.

The utility model discloses a supporting arm and ECMO equipment, and belongs to the technical field of medical instruments. The supporting arm comprises a supporting arm body, a locking unit connected with a pump driving device is arranged at one end of the supporting arm body in the length direction, an installation unit is arranged at the other end of the supporting arm body in the length direction, and the installation unit is used for being connected with an ECMO equipment cart; the locking unit comprises a locking sleeve, a locking shaft, a locking knob and a locking ball arranged on the pump driving device, the locking shaft is longitudinally arranged on the supporting arm body, an arc-shaped ball seat is arranged at the top of the locking shaft, and the locking sleeve is arranged on the locking shaft in a sleeving mode; the locking ball is arranged on the arc-shaped ball seat and located between the locking sleeve and the arc-shaped ball seat. The end part of the locking knob penetrates through the locking sleeve, and the locking knob is in threaded connection with the locking sleeve and is in inclined surface contact with the locking shaft. Adjustment of the supporting arm can be achieved through a simple mechanical structure, and the problems that an existing supporting arm is complex in structure and has oil leakage risks are solved.

The utility model discloses a color doppler ultrasound machine probe and a wire protection sleeve. The color doppler ultrasound machine probe comprises a color doppler ultrasound machine probe body, a connecting section is arranged on one side of the color ultrasound machine probe body, a connecting plate is arranged on one side of the connecting section, and a finger ring is arranged on one side of the connecting plate; wherein a connecting belt is arranged at one end of the connecting section; wherein the other side of the connecting section is provided with a connecting strip, one side of the connecting strip is provided with a pressing block, one side of the pressing block is provided with an hourglass-shaped protective sleeve, and through the arrangement of the connecting section, a limiting groove, a limiting block, a connecting plate, a rotating shaft, a sliding groove and a finger ring, the force applied by medical staff when the probe is used is conveniently reduced; through the arrangement of the connecting belt, the connecting groove, the connecting block and the connecting strip, the service life of the color ultrasound machine probe can be prolonged conveniently, the connecting belt and the pressing block can be replaced conveniently, and through the arrangement of the pressing block, the lap joint strip, the hourglass-shaped protective sleeve, the supporting pad, the arc-shaped strip and the clamping ring, the supporting performance of the connecting line can be enhanced conveniently.

The present invention provides an N-pole module of a leakage circuit breaker, including an N-pole mechanism that forms a linkage with an L-pole mechanism, the N-pole mechanism including a support frame that is rotatably arranged on a housing through a rotating shaft I, an N-pole moving contact that is rotatably arranged on the support frame, and an elastic pressure piece that is arranged between the N-pole moving contact and the support frame, the N-pole moving contact is provided with a connecting portion, and the support frame is provided with a limiting portion that forms a limiting match with the connecting portion, and the elastic pressure piece provides the required final pressure for the N-pole moving contact. The N-pole mechanism using this technical solution only needs two rotating shafts during assembly, which simplifies the installation structure, has fewer installation parts, is convenient and quick to install, and improves installation efficiency. The entire structure is more compact, the mechanism has good stability, and the installation occupies less space, freeing up the installation space of the N-pole module, and the N-pole moving contact and the L-pole moving contact can be universal, thereby saving costs, improving the N-pole breaking capacity of the leakage circuit breaker, and being safe and reliable to use.

The utility model relates to a medical liquid preparation packaging bag with a sealing strip structure. Comprising three heat sealing edges, a clamping chain, an easy-to-tear opening and a bag wall and further comprises a sealing strip, the sealing strip is arranged above the clamping chain, the sealing strip structurally comprises a polyethylene film layer, a nylon film layer and a bonding layer for fixedly bonding the polyethylene film layer and the nylon film layer, a polyethylene thin layer is arranged on the outer side of the nylon film layer, the polyethylene film layer is fixedly bonded with the inner wall of the bag wall on one side, and the sealing strip is arranged on the outer side of the nylon film layer. The polyethylene thin layer is fixedly bonded with the inner wall of the bag wall on the other side, and the thickness of the polyethylene thin layer is far smaller than that of the polyethylene film layer on the sealing strip. The two sides of the additionally arranged sealing strip have heat sealability, but due to the fact that the thicknesses of the heat sealability materials on the two sides are obviously different, the thin spraying film side of the heat sealability materials can achieve the heat sealing and complete anti-seepage effects, and the other side of the heat sealability materials has lower heat sealing strength. And the required force value during opening is relatively low.

The utility model relates to a lifting device, which solves the technical problem that a locking device fails to lock and is inconvenient to operate, and comprises a support leg, a swing seat, a fixed seat and a swing adjusting structure, the fixed seat and the swing seat can swing relatively, one end of the swing seat is connected with the support leg, and the other end of the swing seat is connected with the fixed seat. A locking hole is formed in the fixing seat, an adjusting disc is arranged on the swing seat, an adjusting hole is formed in the adjusting disc, the swing adjusting structure comprises a handle, a locking frame and a locking pin, the locking frame is arranged between the handle and the fixing seat, one end of the locking pin is connected with the handle, and the other end of the locking pin penetrates through the locking frame, the locking hole and the adjusting hole and can enter and exit along the adjusting hole. One end of the handle is provided with a flange. The trailer can be widely applied to the field of trailers and motor homes.

The invention discloses a wiring terminal and electrical equipment, and belongs to the technical field of electrics. In the wiring terminal, a first elastic piece is movably arranged in a shell and comprises an elastic main body with a cavity and a wire clamping structure arranged on one side of the elastic main body; the plug sleeve part is fixedly arranged in the shell, is at least partially positioned in the cavity of the elastic main body, and is used for being matched with the wire clamping structure to clamp a cable; the handle is used for driving the first elastic piece to move. A first wire inlet is formed in the shell, a second wire inlet is formed in the side, facing the first wire inlet, of the elastic body, and when the first elastic piece is in a natural state, the central axis of the first wire inlet and the central axis of the second wire inlet are arranged in a staggered mode in the movement direction of the first elastic piece. The wiring terminal can be compatible with a single-core hard wire and a multi-core flexible wire, the cable fixing effect is excellent, damage caused by excessive pressure applied to the cable by the elastic piece can be avoided, the handle directly acts on the elastic main body, and the force applied to the handle by a user can be reduced.

The anti-falling net for the building scaffold comprises a fixing frame, a protective net is arranged at the right end of the inner side of the fixing frame, fixing rings are connected to the front end and the rear end of the outer side of the fixing frame in a sliding mode, and a sliding rod is connected to the left end of the outer side of the fixing frame in a sliding mode; through the arrangement of a threaded shaft, a pressing ring, a signal lamp, a pressing block, a pressure sensor, a sliding rod and a protective net, in the using process of the device, when the protective net is loosened after being used for a long time, the degree of compressing a first spring through the pressing block is reduced, the force of pressing the pressure sensor by the pressing ring is further reduced, and the device is convenient to use. When a pressure value detected by a pressure sensor is lower than a set range and a signal lamp is turned on, a worker can conveniently and timely find out the looseness phenomenon of the protective net, the pressure value detected by the pressure sensor is further increased by rotating threaded connection between a threaded shaft and a pressing block, the protective net is tensioned through a sliding rod, and the safety of the protective net is improved. And the loosened protective net can be conveniently fastened.

The present invention discloses a snake-bone assembly component, an active bending section, an endoscope and an assembly method, and relates to the technical field of medical devices. The snake-bone assembly component includes a rivet, which is used to connect two adjacent snake-bone sections of the active bending section. The snake-bone assembly component also includes a damping member, which is at least located at the connection between two adjacent snake-bone sections at the proximal end of the active bending section. From the proximal end to the distal end, the friction force generated by the damping member gradually decreases, and the damping member has a first state and a second state. The friction force generated by the damping member in the first state is greater than the friction force generated in the second state. When the active bending section changes from a straight state to a bent state, at least one group of damping members on the active bending section switches from the first state to the second state. The snake-bone assembly component can make the distal end of the active bending section bend first and the proximal end bend later; and when the active bending section is bent, it also has the advantages of applying less force to the traction rope and being easy to achieve large-angle bending.

The utility model relates to the field of dampers, in particular to an extremely-low-speed small-force damper for a photovoltaic tracking system, which comprises a cylinder body and a piston valve in sliding fit in the cylinder body, a normally open channel is arranged on the piston valve, and two ends of the normally open channel are always communicated with cavities on two sides of a piston body. The tracking device has the effect of reducing the influence of the damper on the driver of the tracking device.

The invention belongs to the technical field of kitchen appliances, and discloses a pot cover for a cooking pot and the cooking pot, the pot cover comprises a shell with a handle part, a cover body for covering the pot and a stirring module, a through hole is formed in the cover body in the thickness direction in a penetrating mode, the stirring module is provided with a driving mechanism and a stirring tool bit, the driving mechanism is assembled on the shell, and the stirring tool bit is assembled on the shell. The driving shaft is located below the shell and can be arranged in the through hole in a penetrating mode, the driving shaft is configured to rotate with the axis of the driving shaft as the axis, and the stirring tool bit can be installed on the driving shaft and can synchronously rotate along with the driving shaft; the shell is detachably installed at the top of the cover body, the length of the shell extends in the radial direction of the cover body, at least one of the two ends of the shell is provided with a flange extending in the direction of the cover body, when the shell and the cover body are in an assembled state, the stirring tool bit is located below the cover body, and the flange abuts against the outer edge of the cover body. According to the pot cover, the assembly precision, the assembly convenience and the working reliability of the cooking pot with the pot cover can be improved.

An isolation ball structure for a four-point contact ball turntable bearing is characterized in that a positioning block structure with an isolation ball is arranged between any two adjacent working balls, and each positioning block is integrally cylindrical and is composed of a fixed ball socket part located in the middle, a supporting part and a fixed claw part, wherein the supporting part and the fixed claw part are symmetrically arranged on the two sides of the fixed ball socket part; the isolation ball is mounted in the fixed ball socket part and has a certain movement allowance, and the fixed claw part on each side is arranged on the outermost side of the positioning block and defines an area for limiting the position of the working ball; by means of the structure, it is guaranteed that the centers of the working balls on the two sides of each positioning block and the center of the isolation ball are located on the same rotation center diameter, when Fa1 and Fa2 are basically located on the same straight line, the resultant force is very small, and the friction force generated when the resultant force makes the isolation ball make contact with other objects is reduced; and the widened width of the positioning block in the area ensures that the positioning block does not overturn when running in the roller path.

The utility model relates to the field of medical apparatus and instruments, and the utility model discloses a simple sampling forceps of multi -functional, including the shell, and its both ends are equipped with the opening, puncture needle, and the shell is penetrated through the both sides opening, and its front end is equipped with the sampling mouth, outer sheath, the sleeve is established on puncture needle, push handle, and the solid is established at puncture needle rear end, and with shell inner wall sliding cooperation, spring, and the clamping is established between shell inner wall front side and push handle front end, is used for driving puncture needle reset, limiting component sets up between push handle and shell, is used for fixing the front travel of puncture needle. The utility model structure is simple, and the operation is simple, is applicable to the operation field situation such as suturing, sampling, surgical area flushing, can improve the operation efficiency.

A gas composition adjustment apparatus includes an adsorber, a supply pump (310), and a discharge pump (320). The gas composition adjustment apparatus performs a pressurization operation in which the supply pump (310) supplies a gas to the adsorber; and a depressurization operation in which the discharge pump (320) discharges a gas from the adsorber. Each of the supply pump (310) and the discharge pump (320) is a positive displacement pump and includes a sealing member (313, 323). The sealing member (323) of the discharge pump (320) contains a fluororesin and a fibrous carbon material as main components.

The passive pelvic rehabilitation training device for the traditional Chinese medicine gynecology department comprises a front end support, a bottom support, a rear end support, a placing plate and a placing frame, the placing plate is fixedly connected to the upper portion of the front end support, the bottom support is fixedly connected to the inner side of the front end support, and the rear end support is fixedly connected to the other end of the bottom support. According to the passive pelvic rehabilitation training device for the traditional Chinese medicine gynecology department, when a patient needs rehabilitation training, the patient can sit on the base, the feet abut against one side of a containing plate, at the moment, a motor body is started, a threaded rod starts to rotate, a threaded sleeve starts to slide, the base is driven to slide, and when the threaded sleeve slides, a limiting sleeve is driven to slide; the limiting sleeve can limit the base at the moment, and the buffer spring can buffer the sliding force of the limiting sleeve, so that the base is more stable during sliding, the patient can passively perform rehabilitation training at the moment, and the possibility that the patient needs to apply force by himself during training is reduced.

The utility model discloses a kind of high-reliability bypass switches, comprising: insulating frame, drive mechanism and switch device installed in insulating frame, and transmission assembly connected between drive mechanism and switch device;Transmission assembly includes insulating pull rod assembly and linkage lever, insulating pull rod assembly is provided with first pull rod, and first pull rod is distributed with the output rod of drive mechanism dislocation parallel;One end of linkage lever is hinged to the first fixed plate on insulating frame, and first fulcrum portion and second fulcrum portion are sequentially spaced from one end of linkage lever towards another end, first fulcrum portion is movably connected to first pull rod, and second fulcrum portion is movably connected to output rod;Drive mechanism is used to drive output rod to push linkage lever to rotate, and switch device is closed by insulating pull rod assembly drive.This utility model can reduce the failure risk caused by concentricity problem, reduce the force value required by drive mechanism, and structure is simple, significantly improve the reliability and stability of bypass switch work.

The invention relates to polyester for a UV (ultraviolet) viscosity-reducing adhesive, and the polyester for the UV viscosity-reducing adhesive is prepared from the following raw materials: an unsaturated monomer, and the unsaturated monomer is selected from one or more of 1, 2-epoxy-5-hexene, 1, 2-epoxy-7-octene, 1, 2-epoxy-9-decene, 1, 2-epoxy-4-vinyl cyclohexane and 4-vinyl benzyl glycidyl ether. The unsaturated monomer does not contain ester bonds, hydrolysis or alcoholysis does not occur in the reaction process, a one-step method can be used for reaction, the reaction is easy to control, and cross-linking is not prone to occurring; the UV viscosity-reducing glue prepared from the polyester for the UV viscosity-reducing glue has good adhesive force on a PET film, the force value is obviously reduced after UV illumination, and no residual glue exists.

The invention discloses a polishing tool which comprises a main machine and a battery pack, the main machine comprises a shell, a battery pack connecting part is formed on the shell, the battery pack is detachably arranged on the battery pack connecting part, and the battery pack connecting part is provided with a mounting surface; a main handle connected to the housing; the grinding assembly is connected to the shell and comprises a bottom plate, and the bottom plate forms a supporting plane; the motor is arranged in the shell and used for driving the grinding assembly to work; the battery pack mounting surface is at least partially arranged between the motor and the main handle; when the battery pack combination part is provided with a battery pack, the host and the battery pack form a complete machine, and the projection point of the gravity center of the complete machine on the extension plane of the supporting plane is located in the supporting plane of the bottom plate; in the front-back direction of the shell, the bottom plate is provided with a first center line, and the distance D between the projection point and the first center line is larger than or equal to 0 mm and smaller than or equal to 38 mm. Therefore, when a user conducts grinding operation, the grinding piece can make stable contact with the ground piece, force applied by the hand of the user is reduced, and the grinding effect is guaranteed.

This utility model belongs to the field of seedling transplanting technology, and relates to a mechanical clamp for preventing damage during the transplanting of vegetable plug seedlings. It consists of a support component, a transplanting component, a limiting component, a control component, and a reset component. The support component provides basic support for operation, the transplanting component grips the seedling, the limiting component ensures stable sliding of the transplanting component, the control component controls the movement of the transplanting component, and the reset component resets the control component. This mechanical clamp solves the problems of unstable seedling gripping, inconvenient transplanting operation, and easy damage to seedlings and plugs during the transplanting of vegetable plug seedlings, thus improving the efficiency and quality of vegetable plug seedling transplanting.

The present invention belongs to the field of engineering machinery, and discloses a geological survey drilling equipment. The technical solution of the present invention comprises a main water tank, an auxiliary water tank is fixedly installed at the bottom of the main water tank, a motor is sealed in the auxiliary water tank, the motor is fixedly installed at the bottom of the main water tank, a drill rod is fixedly installed on the rotating shaft of the motor, the drill rod passes through the auxiliary water tank and is connected to the auxiliary water tank through a sealed bearing, a piston is provided in the main water tank, the piston is in sliding contact with the inner wall of the main water tank, a plurality of hydraulic rods are fixedly installed on the top of the inner wall of the main water tank, and the movable ends of the hydraulic rods are fixedly connected to the pistons. Through this device, the impact force of high-pressure water flow and the gravity of water are used as drive, so that the force applied by people can be reduced when drilling, and the drilling effect is convenient while saving effort. In addition, the borehole can be expanded by extending and retracting the auxiliary drill block, and the water flow can be blocked by the auxiliary drill block to reduce water splashing.

The utility model relates to the technical field of agricultural planting, and provides an earth cutting device for agricultural planting, which comprises a handle and an iron shovel detachably arranged on the handle, the handle is sleeved with a telescopic pipe, the telescopic pipe is provided with a longitudinal long hole arranged along the length direction of the telescopic pipe, and is also provided with a transverse long hole arranged along the circumferential direction of the telescopic pipe; the handle is provided with a sliding column, the sliding column is arranged in the longitudinal long hole in a sliding mode, the other end of the sliding column is fixedly provided with a push-pull piece, the push-pull piece is attached to the outer wall of the telescopic pipe, and the handle and the telescopic pipe are positioned through a locking device. The support is arranged on the ground and used for supporting the telescopic pipe, and the telescopic pipe is rotationally connected to the support. According to the technical scheme, the problem that earth cutting is strenuous in the prior art is solved.

The invention discloses a wire ladder head for power transmission line maintenance, and relates to the technical field of power transmission line maintenance. A wire ladder head for power transmission line maintenance comprises a pull rod assembly used for being driven by an unmanned aerial vehicle; the hooking device is connected with the pull rod assembly and is used for hooking and fixing the wire; the ladder head main body is connected to one side, far away from the pull rod assembly, of the hooking device; the pulley assembly is mounted on the ladder head main body and is used for mounting a rope in a sliding manner. The problems of friction between a wire and a rope, high labor intensity of operators and potential safety hazards are solved.

The present invention provides a nail holder, belonging to the technical field of medical devices, comprising: a shell having a first through hole for a knife rod to pass through, the first through hole having a clamping unit for clamping the knife rod; a nail holding unit connected to the head of the shell, the nail holding unit having a second through hole for accommodating a screw, the second through hole and the first through hole being coaxially arranged; the aperture of the second through hole is at least partially smaller than the nut diameter of the screw, when the screw is clamped in the second through hole and driven to extend outward from the second through hole, the second through hole is squeezed and expanded radially outward; the nail holder of the present invention is used to connect with a screwdriver and a screw respectively, after connection, when the screw is pushed by the knife rod of the screwdriver, the screw can be pushed out of the nail holder, thereby performing surgical operations, when the nail holder is produced, since there is no need to produce a screwdriver, the production cost can be reduced.

The utility model belongs to the technical field of bending machines, and particularly relates to a building construction steel bar bending machine which comprises a limiting plate. The limiting plate is connected with a fixing plate, and two sets of contraction structures are assembled on one side of the limiting plate in parallel. The contraction structure comprises a limiting buckle, the limiting buckle is in an L shape, a limiting groove is formed in the side edge of a limiting plate, a limiting hook can be driven to pull the limiting buckle by rotating and pulling a lead screw, steel bars can be fixed under the cooperation of the limiting hook and the limiting buckle, and the contraction structure at the top mainly acts on the bending position, so that the steel bars can be fixed more stably. The contraction structure at the bottom only needs to be operated, in order to better guarantee the state of the steel bars at the bottom and better guarantee the bending supporting state, after clamping, the electric heating wire is powered on, the bent position can be heated, better shaping can be achieved, the steel bars are prevented from being broken in the bending process, meanwhile, the steel bar bending force is reduced, and the bending efficiency is improved. And better bending can be achieved in the construction process, and the better bending effect is achieved.