50results about How to "Guaranteed reset effect" patented technology

The invention relates to the field of building structure seismic resistance and energy-dissipation seismic-mitigation control, in particular to an energy-dissipation and seismic-mitigation oblique prestress shear wall structural system suitable for prefabrication and assembly construction. The structural system includes a prefabricated shear wall, a prestressed inhaul cable, a prefabricated frame column, turning angle constraint connection pieces and an energy-dissipation component; corrugated hoses are embedded in the prefabricated shear wall and internally provided with the prestressed inhaul cable, the four corners of the prefabricated shear wall are provided with the turning angle constraint connection pieces, and the turning angle constraint connection pieces are connected with the energy-dissipation component. The structural system has the advantages that the overall deformation of an upper wall body and the overall deformation of a lower wall body are consistent, a whole control structure is laterally displaced, at the same time, the shear wall structure has a certain self-resetting ability, the overall deformation helps energy-dissipation steel plates give full play to energy dissipations characteristics, a single weak link does not appear, the assembly efficiency of the overall structure is improved, site construction is convenient to achieve, the construction period is effectively shortened, and the cost is saved.

The invention discloses a shape memory alloy friction composite vibration isolator which comprises an inner barrel and an outer barrel, wherein the inner barrel is connected with an upper flange, the outer barrel is connected with a lower flange, the inner barrel and the outer barrel are coaxial, and the inner barrel is connected with the outer barrel through multiple layers of austenite shape memory alloy standard wires in the axial direction. A slidable inner barrel base is arranged under the inner barrel, an axial austenite shape memory alloy spring and a plurality of sets of radial austenite shape memory alloy springs are arranged inside the slidable inner barrel base, the radial austenite shape memory alloy springs are connected with the inner barrel through a sliding friction pair, and the lower portion of the slidable inner barrel base is connected with the outer barrel through a self-adapted sliding friction pair. A slope with a small upper portion and a large lower portion is arranged on the front portion of a sliding block, and a chamfer corresponding to the slope is arranged on the outer wall of the lower portion of the inner barrel. According to the shape memory alloy friction composite vibration isolator, the austenite shape memory alloy is characterized in that deformation self-reset capacity is strong and the energy consumption of friction elements is high, the characteristics of the austenite shape memory alloy are made full use, and the purposes of multidirectional and vertical vibration control in the horizontal plane and self-reset are achieved.

The invention discloses a garlic directional sowing device and method based on machine vision. The device comprises seed shifting and discharging devices, wherein a garlic seed outlet of each seed shifting and discharging device is connected with a first end of a corresponding garlic seed transmission channel, and a second end of each garlic seed transmission channel is arranged at a garlic seed inlet of a corresponding garlic seed feature recognition and directional sowing mechanism; an image collector is correspondingly arranged right above each garlic seed feature recognition and directional sowing mechanism, and an image collection end of each image collector faces the interior of the corresponding garlic seed feature recognition and directional sowing mechanism and is used for collecting posture information photos of garlic seeds; and the garlic seed feature recognition and directional sowing mechanisms recognize and adjust the posture of the garlic seeds according to the posture information picture. According to the garlic directional sowing device and method, secondary seed shifting and discharging of garlic, directional and ordered transmission of garlic seeds, image recognition and directional sowing can be completed at a time, the planting agronomic requirement that bulbil of the garlic seeds faces upwards is met, space and size occupied by the garlic directional sowing device are greatly reduced due to the intensive design, the integrality is high, and mechanical and intelligent sowing of the garlic is met.

The invention discloses a pull-press self-resetting viscoelasticity energy dissipation support. The support is characterized by comprising an inner cylinder provided with a spring and viscoelasticitymaterials inside and two outer cylinders. Anchorage devices are installed on the two outer cylinders, adapting pieces are installed at one ends of the outer cylinders, sleeves with hole passages are installed on the other ends of the outer cylinders, and baffles are installed in the sleeves; the spring is installed in the inner cylinder sleeved with the outer cylinders at two ends, and two ends ofthe spring are against the baffles in the outer cylinders; the viscoelasticity materials are installed in the gaps of the outer cylinders and the inner cylinder; the inner cylinder is installed on asliding rail through a sliding rod and fixed by nuts; the two outer cylinders and the inner cylinder sleeved the two outer cylinders are fixed by the anchorage devices. Compared with the prior art, the support is simple in structure and easy to assemble; the pull-press self-resetting is achieved, the damping effect is good, the supporting performance is greatly improved, the displacement angle between structure residue layers is effectively reduced, and the repair costs are decreased.

The invention discloses a hydraulic unsealing oil pipe anchor, and relates to the technical field of oil field downhole tools. The hydraulic unsealing oil pipe anchor includes an upper joint, a central pipe, a slip and a setting and unsealing mechanism. The upper joint is threadedly connected to the upper end of the central pipe. The setting and unsealing mechanism includes a cone, a setting piston, a piston sleeve, a lock sleeve, a setting sleeve, a lock spring hook, a lower joint and a setting pin. The cone is threadedly connected to the upper end of the piston sleeve. The setting piston isarranged in the piston sleeve. The piston sleeve and the setting sleeve are threadedly connected into one body. The lock sleeve is threadedly connected to the setting sleeve. The lower joint is threadedly connected to the lower end of the central pipe. The setting sleeve is connected to the lower joint through the setting pin. The lock spring hook is threadedly connected to the central pipe. The side wall of the central pipe is provided with an internal liquid passing hole. The side surface of the cone is provided with an external liquid passing hole. Through the arrangement of the combined setting piston composed of a main piston and an auxiliary piston, the piston sleeve and the setting sleeve are forced to be completely reset.

The invention relates to the technical field of gluing, in particular to an automatic colloidal coating gluing mechanism suitable for plastic plates. The automatic colloidal coating gluing mechanism comprises a base and a processing table, and further comprises a controller, a feeding device, an impurity removal device and a spraying device, the feeding device comprises a lifting plate, a jacking assembly and a pushing assembly, and the impurity removal device comprises a rolling brush and a traction assembly; and the spraying device comprises a spray head, an extrusion assembly and a sliding assembly, a top plate is fixedly arranged at the top of the base, the sliding assembly is arranged at the bottom of the top plate, the spray head and the extrusion assembly are both arranged on the sliding assembly, and the jacking assembly, the pushing assembly and the extrusion assembly are electrically connected with the controller. The plates are prevented from being clamped effectively, and feeding efficiency is high; and meanwhile, the gluing surface can be cleaned before gluing, smooth gluing is guaranteed, bubbles are prevented from being generated, and it is guaranteed that follow-up products adhere to the gluing surface firmly.

The invention provides an external fixation device for bones. The external fixation device comprises a proximal scaffold, a distal scaffold and a fixation regulating structure, wherein the proximal scaffold is arranged on a proximal bone at the bone fracture position in a sleeving manner; the distal scaffold is arranged on a distal bone at the bone fracture position in a sleeving manner, and is used for clamping a distal steel needle passing through the distal scaffold, and the distal scaffold is connected with the proximal scaffold; and the fixation regulating structure is arranged on the distal scaffold, and is used for being connected with the distal steel needle so as to regulate the position of the distal steel needle, so that the distal steel needle can be nailed into the distal bone. When the distal steel needle is nailed into the distal bone, the fixation regulating structure can finely regulate the position of the distal steel needle, so that the distal steel needle can be nailed into the distal bone from a preset position at another angle or position, and thus, the problem that a steel nail deviates from the preset position due to the fact that a medical worker manually regulates the position of the steel nail at present is effectively solved, so that the distal steel needle can be accurately nailed into the preset position of the distal bone to ensure the restorationeffect of the bones.

The invention discloses an ulna and radius resetting device for an orthopedic surgery. The device comprises a rectangular forearm support plate and a palm traction torsion mechanism, the forearm supporting plate is located on one side of an operating bed, one end, close to the operating bed, of the forearm supporting plate is connected with the operating bed through a connecting arm, a palm traction torsion mechanism is installed at the other end of the forearm supporting plate, a palm of a patient is fixed to the palm traction torsion mechanism, a forearm is placed on the forearm supporting plate, and a forearm binding belt corresponding to the near end of the forearm of the patient is arranged on the forearm supporting plate. The forearm supporting plate is used for fixing the forearm ofthe patient; the distal radius ulna position and posture are adjusted through the palm traction torsion mechanism, broken bone reduction is achieved, the requirements of auxiliary personnel are reduced, the surgical operation space is saved, the influence of human factors on the stability of the arm of the patient is eliminated, the reduction effect is guaranteed, and therefore the surgical quality and the surgical efficiency are improved.

The invention belongs to a door sill, in particular relates to an auto-reset protective door sill for children. The protective door sill comprises a door frame and a door sill body, wherein the door frame comprises two side bars and a bottom bar, the door sill body comprises an upper connection rod, a lower connection rod and a plurality of handrails arranged between the connection rods, one end of the upper connection rod is connected with the upper end of one side bar through a resetting component while the other end is connected with the upper end of the other side bar through a locking component, and the lower end, corresponding to the resetting component, of the door sill body is connected with the bottom bar through a fixed seat. The automatic resetting of the door sill body can be realized by virtue of effects of the gravity and the spring force through the combination of the resetting component and a resetting baffle, thus the resetting effect is good. The protective door sill for the children has the advantages of simple structure, convenience in operation, low cost, higher safety in use and long service life.

The invention discloses a combined reduction forceps used during closed reduction of fractures. The reduction forceps includes a first clamp and a second clamp; a limit bolt is arranged between the first clamp and the second clamp; one side of the first clamp is provided with a fixing screw; the first clamp includes a first clamping handle; one end of the first clamping handle is provided with a connecting section; the end, away from the first clamping handle, of the connecting section is provided with a first clamp head; the outer wall on one side of the first clamping handle is provided witha fixing hole; the top of the connecting section is provided with an opening groove; and the top of the opening groove is provided with the limit bolt. The reduction forceps can be integrally assembled after being put in place in a body, closing can be performed by utilizing a lever principle, and locking can be achieved after closing; fixing can be conveniently performed through the arranged fixing screw, so that reduction effects can be guaranteed, and the physical power of doctors can be saved; and the opening distances of a second clamp head can be adjusted through a fixing rod and an adjusting rod, so that clamping can be conveniently realized.

The invention provides an unlocking structure of a pluggable optical module, and relates to the technical field of optical communication; the unlocking structure comprises an optical module, the optical module comprises a shell, and an outer buckle is arranged on the upper end surface of the shell; a mounting groove is formed in the upper end face of the shell, a metal warp plate arranged in the length direction of the shell is arranged in the mounting groove and comprises a horizontally-arranged flat warp plate and an obliquely-arranged oblique warp plate; the oblique warp plate is arranged at the end, away from the outer buckle, of the flat warp plate, and the end, close to the flat warp plate, of the oblique warp plate is a lower end; lifting claws located on the two sides of the outerbuckle are symmetrically arranged at the end, away from the oblique warp plate, of the flat warp plate. A pull handle sliding in the length direction of the shell is installed on the shell in a sliding mode, a pressing rod arranged in the width direction of the shell is arranged on the pull handle, and the lower end face of the pressing rod abuts against the upper end face of the flat warp plate.The unlocking structure of a seesaw structure is formed by using the pressing rod and the metal warp plate, the pressing rod is moved through the pull handle to enable the lifting claws to lift a cageelastic piece upwards, so the unlocking purpose is achieved; the service life is long, and the shell retreating effect is good.

The invention discloses a metacarpal fracture reduction and fixation device, and relates to the technical field of medical instruments. The reduction and fixation device comprises a palm side plate, aback side plate and a hook and loop fastener belt, the palm side plate and the back side plate are made of an integrally formed plastic aluminum plate with the thickness of 1-2 mm, and a layer of liner adheres to one side of the palm side plate and the back side plate and matched with the side in shape; the outer surface of the palm side plate and the outer surface of the back side plate are bothsleeved with a cotton elastic cover, and the hook and loop fastener belt is sewn. The plastic palm side plate and the back side plate are designed according to the special anatomic form of the hand;the palm side plate and the back side plate are ingeniously combined through the hook and loop fastener belt; by maintaining the metacarpal fracture reduction effect and improving the hand function, the device can be flexibly bent into a corresponding flexion angel according to requirements, so that the fracture end is fixed to a flexion position, a function position or a hyperextension position.The metacarpal fracture reduction and fixation device is simple in structure design, easy to operate, low in cost and convenient to use and popularize at the primary level.

An electronic device comprises a case and a connector mechanism. The case comprises a bottom plate, a lateral plate and a pivoting base. The lateral plate is connected to the bottom plate, the lateral plate has an opening and the pivoting base is connected to the lateral plate. The connector mechanism comprises an electrical connector, a cover member and an elasticity-adjusting member. The electrical connector comprises an insulating base and a plurality of conductive terminals installed in the insulating base. A slot is formed in the insulating base and exposed to the opening. The cover member comprises a cover portion, a pivoting portion and an elastic portion all connected together, wherein the pivoting portion is positioned between the elastic portion and the cover portion while being disposed on the pivoting base.

The invention discloses a multi-stage brake shoe for a drum brake, which comprises a brake shoe body detachably connected with a brake disc; the brake shoe body includes a driving shoe and a driven shoe, one end of the driving shoe and a driving shoe The brake shoe body is connected by a hydraulic or cam mechanism, and the other end of the driving shoe is connected by a driven shoe, so that the driven shoe and the driving shoe can be opened and closed synchronously; The mounting plate of the brake bottom plate is used to install the friction plate; a return spring in the same direction as the two is also connected between the driving shoe and the driven shoe, which is used for the return of the brake shoe after it is opened; by improving the brake The structural design of the hoof and the friction plate enables the friction plate to brake evenly, which greatly improves the service life of the brake and ensures a good braking effect of the brake. The braking effect of the shoe brake is not good, and the cost of using the brake is high.

The invention discloses a water-proof connection structure of a lower water tank motor and steel wires for an intelligent closestool. By arranging a first fixing piece and a sealing piece oppositely on the two sides of a machine core base, water or dust in a water tank is prevented from entering the interior of a machine core, and a water-proof mechanism is installed on the machine core base through a third fixing piece. According to the connection structure, through the resilience force of an torsional elastic piece, automatic resetting is conducted on the connecting steel wires, the connection structure is simple in structure, does not need a motor for driving, saves energy, and has a good resetting effect, besides, the torsional elastic piece is limited in an annular limiting groove through a limiting piece, therefore, it is avoided that the torsional elastic piece 32 moves or falls off, and the resetting effect is ensured.

The invention discloses a new energy automobile back door opening mechanism. The back door opening mechanism comprises an outer buckle, mounting holes, buffer blocks, connecting plates, a clamping plate, a mounting seat, connecting seats, rectangular holes, inserting holes, a nylon bushing, a pin shaft, a cam and a torsion spring; the outer buckle is of a semi-elliptical shell structure, a plurality of mounting holes are integrally formed in the inner cavity of the outer buckle, one buffer block is installed in each mounting hole, two connecting plates are symmetrically and fixedly arranged inthe inner cavity of the outer buckler, and a clamping plate is fixed to the position which is close to the left connecting plate; and three connecting seats are integrally formed on the back of the mounting seat, a rectangular hole is formed in the position, between the left two connecting seats, of the mounting seat, and the plurality of inserting holes are formed in the front end surface of themounting seat. The back door opening mechanism has the advantages that the structure is simple, the operation is easy, the damage to the whole back door buckle caused by excessive force is avoided, the dustproof and waterproof effects of the back door are guaranteed, and the back door is attractive and practical.

The invention provides a combined anti-tension and position-limiting shock-isolation bearing, which includes: an upper connector, a rubber bearing, a lower connector, a cover plate, a plurality of elastic members and a plurality of steel wire ropes, and the cover plate is arranged on the upper connector box In the cavity and the top surface of the cover plate is lower than the top surface of the upper connector, the elastic member is arranged between the cover plate and the upper connector, the rubber bearing is arranged between the bottom plate of the upper connector and the lower connector, and the box-type cavity There is a limit device in the body, and the steel wire rope passes through the box-type cavity, one end of which is anchored on the cover plate and the other end is anchored on the lower connecting piece; when the rubber bearing is subjected to tension, the steel wire rope transmits the tension to the elastic member to bear part of the tension ; When the rubber bearing is deformed too much due to shearing or tension, the limit device restricts its continuous deformation, so that it can not only achieve the shock isolation effect of ordinary vibration-isolation bearings, but also ensure that the rubber bearing itself can withstand a large tensile force. The structure is not easy to be damaged, thus effectively ensuring the safety and reset capability of the upper structure under the action of earthquake.

The invention relates to the field of asphalt gravel mixing, in particular to a rubber asphalt mixing device, which includes a mixing box and two mixing units, each mixing unit includes a rotating tube, a heat exchange tube and a number of mixing parts, and each mixing part includes a stirring unit Frame, baffle, slide plate and push plate, one end of the stirring frame is connected with the rotating pipe, the other end of the stirring frame is hinged with the baffle plate, the sliding plate is set on the stirring frame and runs through the rotating pipe, one end of the sliding plate is hinged with the baffle plate, the sliding plate The other end of the push plate can be in contact with the heat exchange tube, and the push plate is fixedly connected with the slide plate. When the technical scheme is adopted, it is beneficial to improve the mixing effect of gravel and asphalt.

The present invention discloses an adjustable shoulder joint dislocation reduction device. The adjustable shoulder joint dislocation reduction device comprises a base seat portion and a leaning portion, the base seat portion and the leaning portion are connected and fixed by an angle adjusting portion; included angles between the leaning portion and the base seat portion can be adjusted, so that the adjusted leaning portion is more attached to dislocated rear shoulder joints and reduces pains of patients during a reduction process; the leaning portion is composed of a back leaning portion and a shoulder leaning portion, and a distance between the back leaning portion and the shoulder leaning portion is adjustable. The provided adjustable shoulder joint dislocation reduction device is reasonable in structure, can adjust height of the base seat portion, relative angles between the leaning portion and the base seat portion, and length of the shoulder leaning portion, is suitable for shoulder joint reduction of the patients of various body types, effectively reduces pains of shoulder joint dislocation reduction, reduces complications of the shoulder joint reduction, and ensures an effect of patient reduction.

The invention discloses a hydraulic unsealing oil pipe anchor, and relates to the technical field of oil field downhole tools. The hydraulic unsealing oil pipe anchor includes an upper joint, a central pipe, a slip and a setting and unsealing mechanism. The upper joint is threadedly connected to the upper end of the central pipe. The setting and unsealing mechanism includes a cone, a setting piston, a piston sleeve, a lock sleeve, a setting sleeve, a lock spring hook, a lower joint and a setting pin. The cone is threadedly connected to the upper end of the piston sleeve. The setting piston isarranged in the piston sleeve. The piston sleeve and the setting sleeve are threadedly connected into one body. The lock sleeve is threadedly connected to the setting sleeve. The lower joint is threadedly connected to the lower end of the central pipe. The setting sleeve is connected to the lower joint through the setting pin. The lock spring hook is threadedly connected to the central pipe. The side wall of the central pipe is provided with an internal liquid passing hole. The side surface of the cone is provided with an external liquid passing hole. Through the arrangement of the combined setting piston composed of a main piston and an auxiliary piston, the piston sleeve and the setting sleeve are forced to be completely reset.

The invention relates to a bone reduction assisting device based on a medical robot, which comprises a near-end bone block fixing mechanism and a far-end bone block fixing mechanism, each of the near-end bone block fixing mechanism and the far-end bone block fixing mechanism comprises at least two sets of sleeves arranged on a support in parallel, threaded needles are arranged in the sleeves, and connecting grooves perpendicular to the threaded needles are formed in the support; the temporary connecting mechanism comprises a near-end fixing rod and a far-end fixing rod which are connected through a connecting rod and a first spherical joint, the near-end fixing rod is detachably connected with a connecting groove of the near-end bone block fixing mechanism, and the far-end fixing rod is detachably connected with a connecting groove of the far-end bone block fixing mechanism; the near-end bone block fixing mechanism is fixed to the operating bed body through the operating bed fixing mechanism, and the far-end bone block fixing mechanism is detachably connected with the medical robot body through the robot connecting mechanism. The near-end bone block fixing mechanism, the far-end bone block fixing mechanism and the threaded needle are used for achieving the ideal bone reduction effect through extremely small trauma.

The invention relates to the technical field of circuit boards, in particular to a circuit board connector and inner-row terminals and outer-row terminals thereof, which comprises a U-shaped terminal, the U-shaped terminal comprises a cantilever and a support arm, the root of the cantilever and the root of the support arm are connected to form the root of the U-shaped terminal, the cantilever is an elastic arm, the U-shaped terminal comprises an I-shaped terminal, the I-shaped terminal comprises an upper arm, a lower arm and a support arm, comprising a connector body and a connector cover, the connector cover is rotationally connected to the connector body through a circular rotating shaft, hanging heads at the tail ends of upper arms of outer-row terminals are rotationally connected to the circular rotating shaft, and the outer-row terminals and the inner-row terminals are alternately arranged and connected to the connector body in series in a multi-stage mode. The cantilever and the root part of the supporting arm are connected to form the root part of the U-shaped terminal, so that the effective length of the cantilever for clamping the terminal is increased, and the cantilever is an elastic arm and is not easy to deform, so that the reset effect can still be maintained even if the circuit board is not inserted, and the deformation is not easy to generate.

The invention relates to the technical field of bridge earthquake prevention, and particularly relates to a transverse bridge direction and vertical direction bidirectional earthquake-resistant stop block structure suitable for a bridge. The structure comprises rectangular concrete stop blocks arranged on the two sides of a bridge main body, an embedded circular truncated cone composite column, acarbon steel spring, a middle steel stop block, a suspension rib and an alloy steel spring. The inner wall of each rectangular concrete stop block is connected with the outer wall of the middle steelstop block through the carbon steel spring and the embedded circular truncated cone composite column; a square digging hole is formed in the inner wall of the middle rigid stop block, the suspension rib is fixed to the lower portion of the outer wall of the bridge main body through a main beam pre-buried steel plate, and the other end of the suspension rib is inserted into the square digging hole;and the middle steel stop block is connected with the bridge main body through the alloy steel spring. According to the invention, the bridge displacement of the bridge in the transverse bridge direction and the vertical bridge direction is limited to a greater extent, and parts of earthquake energy in the transverse bridge direction is consumed so that the bridge piers are prevented from being damaged.

The invention discloses a humerus supracondylar fracture reduction mechanism. The humerus supracondylar fracture reduction mechanism comprises a machine body, wherein bases are fixedly connected to the two sides of the lower end of the machine body, a lower reduction device is arranged between the bases, an upper reduction device is fixedly connected to the middle of the upper end of the lower reduction device, the upper reduction device and the lower reduction device jointly form a longitudinal reduction device, an access hole is formed in one side of the machine body, an inflation ring is arranged on the outer side of the access hole, an isolation plate is arranged on the same side of the machine body and the access hole, a power interface is formed in the position, close to the lower end, of one side of the machine body, a data interface is formed in the lower end of the power interface, the lower reduction device and the upper reduction device are the same in structure and are connected with the interior of the machine body in a vertically symmetrical mode, a transverse reduction device is arranged in the machine body, and the transverse reduction device and the longitudinal reduction device are the same in structure. The humerus supracondylar fracture reduction mechanism is provided with the reduction device, a traction ring and an X-ray emitter, so the purposes of easy operation, stable effect and high recovery speed during use can be achieved.

The invention discloses an automatic uncapping device for bottled water and a water drinking device. The automatic uncapping device for bottled water comprises a shell, a bottle cap perforating mechanism and a bottle body fixing mechanism, wherein the bottle cap perforating mechanism and the bottle body fixing mechanism are arranged in the shell, the bottle cap perforating mechanism comprises a motor, a cam, a positioning piece, perforated pipes and a limiting sensor, and the cam is fixedly connected with a rotating shaft of the motor; the positioning piece is connected to the position, close to the edge, of the cam, and the perforated pipes are arranged on the positioning piece and connected with a water discharging pipe; the bottle body fixing mechanism comprises a top plate arranged at the top of the shell, a first hole used for fixing bottled water is formed in the top plate, the bottled water is inversely arranged in the first hole, and a bottle cap of the bottled water is located over the perforated pipes; and the water drinking device comprises a bottled water uncapping device and a heating device, and the cam drives the perforated pipes on the positioning piece to upwards break the bottle cap. According to the automatic uncapping device for the bottled water and the water drinking device, automatic uncapping of the bottled water can be achieved, man-made pollution is avoided, the structure is simple, and use is convenient.

The invention relates to the technical field of curved arm connecting rods, in particular to a crank connecting rod automatic swelling and breaking device. The crank connecting rod automatic swellingand breaking device includes a working table, cracking dies, a top pressing plate, a cracking wedge,ejection rods and a cam mechanism, wherein the working table is further provided with through holes;the working table is arranged on the cam mechanism, a plurality of sets of the cracking dies are uniformly fixed to the working table in the circumferential direction, the through holes are formed inthe bottoms of the cracking dies, the top pressing plate is arranged above the working table, the bottom of the top pressing plate is close to the tops of the cracking dies, the ejection rods are movably inserted into the through holes, the cracking wedges are fixed to the tops of the ejection rods, and the cam mechanism is connected to the ground. According to the crank connecting rod automaticswelling and breaking device, automatic swelling and breaking of a crank connecting rod are realized, the structure is simple, expensive precision instruments are not needed, the swelling and breakingeffect is controllable, material loss is reduced, material confusion is avoided, and automatic sorting is realized.

The invention discloses a robot reduction system for multi-segmental fractures, which comprises an operating bed. A mechanical arm base and a plurality of temporary fixing device bases, which are respectively used for mounting a mechanical arm and temporary fixing devices, are arranged on one side of the operating bed; and the tail end of the mechanical arm is connected with a broken bone clampingdevice. By means of a temporary reduction device, a plurality of fracture segments can be respectively fixed so as to avoid uncertain factors caused by traditional surgical incision reduction or bonetraction reduction.

The invention discloses a water-proof connection structure of a lower water tank motor and steel wires for an intelligent closestool. By arranging a first fixing piece and a sealing piece oppositely on the two sides of a machine core base, water or dust in a water tank is prevented from entering the interior of a machine core, and a water-proof mechanism is installed on the machine core base through a third fixing piece. According to the connection structure, through the resilience force of an torsional elastic piece, automatic resetting is conducted on the connecting steel wires, the connection structure is simple in structure, does not need a motor for driving, saves energy, and has a good resetting effect, besides, the torsional elastic piece is limited in an annular limiting groove through a limiting piece, therefore, it is avoided that the torsional elastic piece 32 moves or falls off, and the resetting effect is ensured.

The invention relates to the technical field of switches, in particular to a switch structure. The switch structure sequentially comprises a switch cover plate, a support frame assembly, a circuit board and a rear mounting base. The switch cover plate is provided with at least one switch button. Pressing pieces are arranged at the positions, matched with the switch buttons, on the support frame assembly. A number of elastic pieces are connected to the circumference of each pressing piece. During use, the switch buttons are reset under the combined action of the pressing pieces and the elasticpieces. An auxiliary mechanism does not need to be additionally installed. The pressing piece, the elastic pieces and the supporting frame assembly are integrally designed and can be manufactured through one-time injection molding. Therefore, the assembling steps are simplified and the production cost is reduced while the reset effect is guaranteed.

The invention provides a skeletal external fixing device. The skeletal external fixing device comprises a first frame; and a positioning assembly which is arranged on the first frame, and the positioning assembly is used for fixing a steel needle so as to increase the contact area of the steel needle and the first frame. After the steel needle is fixed to the first frame through the positioning assembly, the contact area of the steel needle and the first frame can be increased, and the stress condition of the first frame is improved. Deformation, cracks and the like of the first frame are avoided, the reliability of the first frame is improved, the positioning precision of the steel needle is guaranteed, and the bone reset effect is guaranteed.