61results about How to "Relief force" patented technology

The invention relates to a temperature regulator. The temperature regulator comprises a valve body and a thermodynamic element, wherein a cavity is formed in the valve body, and the thermodynamic element is mounted in the cavity; the cavity is communicated with the outside through at least three valve ports, namely a first valve port, a second valve port and a third valve port, the two ends of the thermodynamic element are respectively mounted in the valve body through elastic components, a flow cutoff ring which is of an annular component is mounted in the cavity in a sealed and fixed manner, and a thermodynamic element body is located between the third valve port and the flow cutoff ring. When the temperature of fluid is relatively low, a heat-sensitive material in the thermodynamic element contracts, and the thermodynamic element body moves towards the flow cutoff ring and closes an internal hole of the flow cutoff ring; when the temperature of the fluid is relatively high, the heat-sensitive material in the thermodynamic element expands, and the thermodynamic element body moves towards the third valve port until the third valve port is closed by the thermodynamic element body. The temperature regulator provided by the invention has the advantage that the internal leakage of temperature regulators in the prior art is lowered greatly.

The invention provides a tunnel structure for a weak and broken high-temperature water-bearing stratum. The tunnel structure comprises a tunnel lining and an inverted arch which form a closed annular structure, the footing of the tunnel lining is connected with the left end and the right end of the inverted arch, drain holes are formed in the footing, and drainage ditches and cable troughs are formed in the connecting portions of the lining and the inverted arch; a traffic lane in a tunnel is arranged on a vibration reduction layer, a bearing platform plate is arranged on the lower portion of the vibration reduction layer and supported by longitudinal beams and cross beams jointly, the longitudinal beams and the cross beams are supported by pile foundations which vertically penetrate through the inverted arch and are inserted into the stratum, the ends of the two sides of the traffic lane, the ends of the two sides of the vibration reduction layer and the ends of the two sides of the bearing platform plate are all disengaged from the positions where the drainage ditches and the cable troughs are located, and the longitudinal beams, the cross beams and the pile foundations are disengaged from the inverted arch. The tunnel structure has the effects of water resistance, thermal insulation and vibration reduction and is compact in structure, high in bearing performance, convenient to construct, lower in construction and maintenance cost and wide in application range.

The preparation process of mesoporous spherical nano SiO2 particle includes mixing deionized water, CTAB, tetraethyl metasilicate, water solution or ammonia water solution of sodium hydroxide and alcohol solvent in certain proportion; heating reaction of the mixture inside PTFE reactor with protecting stainless steel casing and set in stove with blower; filtering of the reacted solution; washing and high temperature roasting to obtain mesoporous spherical nano SiO2 particle with homogeneous size. The process of the present invention is simple, low in cost and short in production period, and the prepared mesoporous spherical nano SiO2 particle is homogeneous in size, regular in appearance and ordered in pore channel.

A pneumoperitoneum-free device for a gear open type laparoscope comprises a cylindrical rack, a support cylinder, variable-section spokes, a connecting ring and a locking nut. The cylindrical rack is nested into the hollow part of the support cylinder. A groove is formed on the periphery of the lower end face of the support cylinder. The variable-section spokes are mounted in the groove. The gears on the variable-section spokes are meshed with the cylindrical rack. The variable-section spokes spread on the inner abdominal wall in the abdominal cavity by the engaging force of the gears on the variable-section spokes and the cylindrical rack, the front abdominal wall is lifted sufficiently, the spread variable-section spokes form a spherical crown, and accordingly the problem that the existing pneumoperitoneum-free surgeries are insufficient in exposed space, poor in abdominal wall stress condition, and easily causes secondary damage is solved.

The invention relates to an end cover assembly for a temperature regulator. The end cover assembly comprises an end cover, a first spring and a baffle ring, wherein one end of the end cover is provided with an opening, the first spring is arranged in the end cover, the baffle ring is fixedly arranged at the inner side of the opening end of the end cover, one end of the first spring is connected with the end cover in a pressing way, and the other end of the first spring is in pressing contact with the baffle ring. When the temperature regulator of the end cover assembly provided by the invention is used, the design requirement is low, and the service life of the product is long.

The invention discloses a damping seismic isolation and reduction device for building, which is characterized by comprising two seismic isolation units which are vertically overlaid with each other, wherein each isolation unit is combined by an A part and a B part, contact surfaces of the A and the B parts are provided with one or more guide rails and chutes which are relative concavely and convexly, the side surfaces of the chutes vertical to the sliding direction of the guide rails are provided with one or more elongated openings, a metal bar rubber block is inserted in each elongated opening, and the two ends of the metal bar rubber block are provided with steel bars. Acting force of seismic wave horizontal components to the buildings provided with the damping seismic isolation and reduction device can be reduced and isolated under this precondition that the buildings on the upper portions and the foundations can be effectively connected, thereby being capable of more securely achieving no collapsing in large earthquakes and no damage in middle earthquakes. Because the maximum displacement of the damping seismic isolation and reduction device is limited by a steel structure, rubber elastic materials and the like can not be acted by tension and shear, the problem that the buildings and the foundations are cut off caused by rubber fracture does not exist, and the damping seismic isolation and reduction device is safer in itself.

The invention provides an insole with independent supporting of inner and outer foot arches and a preparation method thereof. The insole comprises a body (1), wherein an integrated shock-absorbing andcushioning supporting pad (5) is arranged at the heel crown center part and the outer longitudinal arch part of the lower surface of the body (1); a semi-rigid supporting pad (3) is arranged at the inner longitudinal arch part; a calcaneus outwards-rotating limiting module (4) is arranged at one side of the inner longitudinal arch part of the heel part and around the shock-absorbing and cushioning supporting pad (5); a rebounding pad (2) is arranged at the sole part. The insole provided by the invention is combined with the walk gait of a human body and provides corresponding protection settings for the feet to relieve the acting forces of the ground and the human body on the feet according to differences of the acting forces of the ground and the human body on the feet at different periods.

The invention discloses a connecting device suitable for a light railway vehicle. The connecting device comprises a sleeve shell, a push-pull body capable of floating left and right is arranged in the sleeve shell, and a left buffer spring body and a right buffer spring body are installed between the left inner side wall and the right inner side wall of the sleeve shell and the push-pull body in an abutting mode, the connecting device comprises a short pull rod and a long pull rod which is connected to the push-pull body; and end part connectors, wherein the two end part connectors are respectively connected to the long pull rod and the short pull rod through a ball joint bearing. According to the connecting device, mechanical connection between two front and back adjacent vehicles is achieved through the end connectors, acting force generated when the front and back vehicles run is relieved through the push-pull body structural design capable of floating left and right, and the snakelike movement requirements of the front and back adjacent vehicles are met through the ball joint bearings in the end connectors, and vibration generated during operation is relieved. The connecting device is compact in structure, small in size and small in occupied installation space.

The invention relates to the technical field of automobile safety belts, and particularly to a retractor core shaft assembly with a load limiting stopping function and a safety belt retractor. The retractor core shaft assembly with the load limiting stopping function includes a coiling cylinder, a load limiting rod, a block nut, a load limiting head and a shaft head, wherein the load limiting headis connected with the shaft head; the block nut is connected with the coiling cylinder; the load limiting head is in threaded connection with the block nut; the end, inside the coiling cylinder, of the load limiting rod is connected with the load limiting head, and the other end is connected with the coiling cylinder. When automobile collision occurs, and the load limiting function of the coilingcylinder starts, a safety mesh belt is pulled out continuously, at the time, the coiling cylinder rotates and the block but rotates and moves to the root direction of the external threaded connectionpart on the load limiting head, and rotation stops until the block nut reaches to the root part of the load limiting head to force the coiling cylinder to stop rotating, and the safety mesh belt cannot be pulled out continuously, so that the load limiting stopping function of the retractor core shaft assembly is realized.

The invention relates to a magnetic shoe continuous feeding automatic chamfering machine, which includes a working frame, a transmission motor, a grinding wheel, a first linkage device for controllingmovement of magnetic shoes in the X-axis direction, a second linkage device for controlling movement of the magnetic shoes in the Y-axis direction, and a third linkage device for controlling movementof the magnetic shoes in the Z-axis direction. The transmission motor is placed on a bottom plate of the working frame, the grinding wheel is fixed to a back plate of the working frame, and the firstlinkage device, the second linkage device and the third linkage device are connected with the transmission motor. The effects of continuous feeding, accurate control and accurate positioning of ferrite magnetic shoes can be achieved by using the magnetic shoe continuous feeding automatic chamfering machine, and the safety in the magnetic shoe chamfering process is ensured.

The invention discloses an accurate positioning and feeding mechanism of an automobile plate spring rolling mill. The accurate positioning and feeding mechanism comprises a feeding mechanical arm for clamping reeds, a rack, a feeding device, a height adjusting device, a hinge piece and a buffering mechanism, the feeding device is arranged above the rack and connected with the rack, the height adjusting device for adjusting the height of the feeding device is arranged below the rack, the hinge piece is arranged between the rear end of the height adjusting device and the rack, and the buffering mechanism for relieving the acting force generated when rollers press the reeds in the initial rolling process is arranged between the front end of the height adjusting device and the rack. According to the feeding mechanism, accurate positioning feeding is conducted before the reeds are rolled, and the feeding speed is increased; the reeds are fed twice through two feeding air cylinders, so that the working time for feeding the reeds is saved, and the production efficiency is improved; and by arranging the height adjusting device, a manual adjusting handle is adopted to control the height of front and rear material supporting rollers to increase or decrease the height of the reeds, the rolling height of the reeds is conveniently adjusted, and time and labor are saved.

The invention discloses modern sanda body protective clothing with attacking information sensing devices. The clothing includes a waistcoat-like clothing body, the chest of the clothing body is provided with a chest protection pad, the abdomen of the clothing body is provided with an abdomen protection pad, the two sides of the clothing body are provided with waist protection pads, the bottom of the front surface of the clothing body is provided with a downward protruding arc-shaped jockstrap, a jockstrap protection pad is arranged on the arc-shaped jockstrap, and the chest protection pad, the abdomen protection pad and the waist protection pads are all internally provided with the attacking information sensing devices. The clothing is simple in structure, can effectively and specifically protect each part of the body, is not easy to deform or damage, has long service life and can accurately calculate scores.

The invention relates to an electromagnetic valve. The problem that an electromagnetic valve is short in service life is solved. The electromagnetic valve comprises a conduit pipe, a static iron core, a movable iron core, a valve element and a valve base connected with the conduit pipe. The static iron core, the movable iron core and the valve element are all installed in the conduit pipe. The valve base is provided with a valve port. The movable iron core drives the valve element to open or close the valve port. The electromagnetic valve further comprises a buffer structure used for buffering force applied by the static iron core to the end wall direction of the conduit pipe, and the buffer structure is arranged between the static iron core and the end wall of the conduit pipe.

The invention discloses a display module for a mobile communication device. The display module comprises a display panel, a flexible printed circuit board (PCB) and an electronic element, wherein the flexible PCB is coupled to the display panel and is divided into a first part and a second part; the electronic element is opposite to the second part of the flexible PCB and is arranged on the flexible PCB; and the ductility of the second part of the flexible PCB is lower than that of the first part of the flexible PCB. The display module for the mobile communication device of the embodiment of the invention can reduce resonance effect and noise.

The invention belongs to the technical field of fitness equipment, and relates to a sit-up type leg press device. A main structure comprises a grab handle, a rubber gasket, threads, first modules, second modules, third modules, bolts and flexible belts. The rubber gasket is fixedly arranged in the middle of the grab handle in a wrapping mode, and the grab handle and the rubber gasket are tightly connected; the threads are arranged at the two ends, without the rubber gasket, of the grab handle; the first modules, the second modules and the third modules are of a regular hexagon structure, and are installed on the threads in sequence from inside to outside, the side length of each first module is larger than that of the corresponding second module, the side length of each second module is larger than that of the corresponding third module, and the modules are fastened; each wide flexible belt is installed on the inner side of the first module at each end of the grab handle in the direction parallel to the side length, and the furthest portion of each flexible belt formed after the flexible belt is completely spread cannot reach the grab handle. The sit-up type leg press device is simple in structure, convenient to use and friendly to application environment, a dumbbell and a sit-up leg press device body are integrated, the number of special devices is reduced, and the occupied space of the special devices is saved.

The invention relates to a connecting rod and plunger connecting mechanism of a press. An adjusting shim is arranged at the bottom between two lug open seats of the plunger. A supporting base is arranged at the upper end of the adjusting shim. The adjusting shim and the supporting base are fixed at the bottom between the two lug open seats of the plunger through a fixing pin. A copper content element is arranged in an upper semicircular opening of the supporting base. The two lug open seats of the plunger are moveably hinged with the connecting rod through a pin roll, so that the arc-shaped part of the bottom of the connecting rod is compactly contacted with the inner arc-shaped face of the copper content element. The acting force on the pin roll can be alleviated, so that the deficiency that the pin roll is easy to break is solved, and the size of a corresponding part can be reduced.

The preparation process of mesoporous spherical nano SiO2 particle includes mixing deionized water, CTAB, tetraethyl metasilicate, water solution or ammonia water solution of sodium hydroxide and alcohol solvent in certain proportion; heating reaction of the mixture inside PTFE reactor with protecting stainless steel casing and set in stove with blower; filtering of the reacted solution; washing and high temperature roasting to obtain mesoporous spherical nano SiO2 particle with homogeneous size. The process of the present invention is simple, low in cost and short in production period, and the prepared mesoporous spherical nano SiO2 particle is homogeneous in size, regular in appearance and ordered in pore channel.

The invention discloses a storing and taking device for packaging bags. The storing and taking device comprises a machine base provided with a machining chamber, a sensor is arranged at the top of the machining chamber, and a controller is electrically connected with the sensor; a plurality of boxes are connected into the machining chamber in a sliding manner, and a feeding opening is formed in the top of each box; the left inner wall and the right inner wall of each box are each provided with a plurality of supporting arms at equal intervals, and each supporting arm is located between two corresponding adjacent sliding grooves; a gravity sensor is arranged at the top of each supporting arm and is electrically connected with a processor, and the processors are electrically connected with the controller; the storing and taking device further comprises an extrusion mechanism comprising an air cylinder and an air inflation bag connected with the air cylinder, and the air cylinder is electrically connected with the controller; a plurality of exhaust holes are formed in the side wall of the air inflation bag; an ozone storage box is further arranged on a piston rod of the air cylinder and is located in the air inflation bag; and a control valve is arranged on the storage box and is electrically connected with the controller. According to the scheme, the problem that according to the traditional storage manner of the packaging bags, the separating efficiency is low is solved.

The invention discloses a cylinder for a rotary type compressor. A flexible hinge mechanism capable of generating elastic deformation is arranged on the end face of the high-pressure cavity side of the cylinder and is used for reducing the force acting on a crankshaft. According to the cylinder for the rotary type compressor, the phenomenon of eccentric wear of an eccentric circle of the crankshaft can be effectively reduced, the performance of the rotary compressor is improved, and the service life is prolonged. The invention also provides the rotary type compressor.

The present invention is an intelligent single police equipment cabinet with safety protection, including several cross ribs fixed on the inner side of the pressure door panel, connected with the console through an electrical connector, and several side ribs fixed between two cross ribs , communicate with the interior of the cross ribs, several pressure belts are chain structures, and are equidistantly arranged in the cross ribs and side ribs, wrapped in two layers of glass surfaces, the lower box, including a number of switching wheels, switching There is a network frame movable on the wheel, and a connector is fixed on the side of the switch wheel to electrically connect with the console. The network frame is divided into an empty slot area and a blocking area. When the switching wheel rotates, the empty slot area and the blocking area can be switched. The two-layer protection method protects the equipment in the single police equipment cabinet, prolongs the time for criminals to obtain weapons, and improves the security effect.

The invention belongs to the technical field of smart homes, and particularly relates to an adjustable cutting device for smart home production. Aiming at the problems that a plate material cutting device cannot fix plate materials, has low adjustable capability and poor movability, the adjustable cutting device for smart home production comprises a fixing plate, wherein four telescopic rods are fixed to the outer wall of the bottom of the fixing plate through bolts and are respectively located at positions, close to the middle, of the outer wall of the bottom of the fixing plate; a connectingplate is fixed to the outer walls of the bottoms of the telescopic rods through the bolts; four first power-driven telescopic rods are fixed to the outer wall of the bottom of the connecting plate through the bolts; and a base is fixed to the outer walls of the bottoms of the four first power-driven telescopic rods through the bolts. The vibration of the device in a using process can be effectively reduced; cutting errors caused by the vibration of the device in use are avoided; the adjustable cutting device can buffer external acting force very well; the buffering effect of the device is improved; the device can be moved very well; and the device is relatively convenient to move and use.

The invention provides a heat exchanger with a compensating ring. The heat exchanger with the compensating ring comprises a shell; the shell is internally provided with a baffle plate and cold water tube; the shell is provided with a hot water inlet tube, a hot water outlet tube, a cold water inlet tube and a cold water outlet tube; the cold water inlet tube and the cold water outlet tube are separated from the middle; the cold water inlet tube is communicated with the cold water tube which is a sectional-type water tube; two sectional-type water tubes are communicated through an enclosed space; one end of the cold water tube is fixed on the shell, and the other end of the cold water tube is supported freely by the shell; and the shell of the heat exchanger is provided with a compensating ring. The heat exchanger with the compensating ring related to the invention is simple in structure; and in order to overcome the mutual force of the shell and the cold water tube caused by different thermal expansion degrees, the compensating ring is designed to release the mutual acting force.

The invention relates to a temperature regulator. The temperature regulator comprises a valve body and a thermodynamic element, wherein a cavity is formed in the valve body, and the thermodynamic element is mounted in the cavity; the cavity is communicated with the outside through at least three valve ports, namely a first valve port, a second valve port and a third valve port, the two ends of the thermodynamic element are respectively mounted in the valve body through elastic components, a flow cutoff ring which is of an annular component is mounted in the cavity in a sealed and fixed manner, and a thermodynamic element body is located between the third valve port and the flow cutoff ring. When the temperature of fluid is relatively low, a heat-sensitive material in the thermodynamic element contracts, and the thermodynamic element body moves towards the flow cutoff ring and closes an internal hole of the flow cutoff ring; when the temperature of the fluid is relatively high, the heat-sensitive material in the thermodynamic element expands, and the thermodynamic element body moves towards the third valve port until the third valve port is closed by the thermodynamic element body. The temperature regulator provided by the invention has the advantage that the internal leakage of temperature regulators in the prior art is lowered greatly.

The invention discloses a vehicle connection damping structure for rail traffic. The structure comprises a connecting box and a connecting plate; the connecting plate is arranged in the connecting box, and is embedded in the connecting box; a fixed rod is arranged on the left side of the connecting plate, and is inserted in the connecting plate; a movable rod is arranged on the right side of the connecting plate, and is inserted in the connecting plate; and an exhaust fan is arranged below the connecting box, and is fixedly connected into the connecting box through a bolt. In the vehicle connection damping structure for rail traffic, in order to relieve vibration of the connecting plate in the connecting box, a buffer layer is arranged in the connecting box; and through a buffer structurein the buffer layer, acting force generated during operating of the structure is relieved, so that parts in the connecting box are protected, the purpose of prolonging the service life of equipment isachieved, and the defect of weak buffering and damping effects of connecting structures for connection of traditional device trains is solved.

The invention relates to the technical field of coal mining machines, in particular to a coal mining machine supporting device. The coal mining machine supporting device comprises a bottom plate, a plurality of rolling wheels are fixedly connected with the bottom end of the bottom plate, rails are arranged at the bottom ends of the rolling wheels, a first sliding groove is formed in the left sideof the interior of the bottom plate, a first sliding plate is slidably arranged in the first sliding groove, the bottom end of the first sliding groove is evenly and fixedly connected with a pluralityof first compression springs, and the top ends of the first compression springs make contact with the bottom end of the first sliding plate. According to the coal mining machine supporting device, acoal mining vehicle can be in a horizontal state, the coal mining vehicle is effectively prevented from tilting and rollover, the coal mining vehicle is prevented from moving during working, the stability of the coal mining vehicle during working is improved, a second compression spring and a buffer spring play a role in buffering a brake block and a brake plate in the transverse direction and thelongitudinal direction, acting force generated when the brake plate makes contact with the rails can be relieved, rail abrasion damage caused by sudden contact of the brake plate and the rails is prevented, the service life of the rails is prolonged, and the use practicability of the coal mining machine supporting device is improved.

The embodiment of the invention discloses a printed circuit board transmission band line which is used for relieving the acting force on at least one first welding point when a metal part expands. The printed circuit board transmission band line provided by the embodiment of the invention comprises a base material layer, a metal band line, at least one first welding point, at least one first transmission medium and a metal part for realizing a grounding function, the metal band line is plated on the surface of the base material layer, the at least one first welding point is a welding point where the metal band line is connected with the at least one first transmission medium, the at least one first welding point is welded with the metal band line and the at least one first transmission medium, the metal part is welded with the at least one first transmission medium, one side of the at least one first welding point is provided with at least one groove, and the at least one groove is used for relieving the acting force on the at least one first welding point when the metal part expands.

The invention discloses an exhaust manifold gasket. The exhaust manifold gasket is connected between a gas inlet joint of an exhaust manifold and a cylinder of an engine, and comprises a base sheet located between the gas inlet joint and the cylinder and a wrapping sheet arranged on the edge of the base sheet. The wrapping sheet is arranged between the exhaust manifold and a water collecting pipe of the engine. The invention further discloses the exhaust manifold with the exhaust manifold gasket and the engine. The exhaust manifold gasket comprises the base sheet and the wrapping sheet, the purpose of relieving the force between the gas inlet joint and the cylinder and guaranteeing waste gas to be sealed can be achieved by the aid of the base sheet, the wrapping sheet is used for forming a partitioning mechanism to allow the heat transmitted to the cooling water in the water collecting pipe from the exhaust manifold to be reduced, and accordingly unexpected effect on engine cooling effect by the exhaust manifold is relieved.

The invention discloses a hand riveter which comprises a shell with a built-in riveting structure and a handle, the handle comprises a first handle and a second handle which can relatively rotate, the shell and the first handle are plastic parts, the shell and the first handle are integrally formed, and the second handle is in transmission connection with the riveting structure. And a pressing mechanism is arranged in the rivet pulling structure. The hand riveter is made of plastic, so that the weight of the hand riveter can be reduced, the applicable crowd range can be expanded, and the cost can be reduced; according to the pressing mechanism, the capability of clamping the pulling rivet by the clamping jaw can be improved, the pulling rivet is prevented from falling off, sliding friction between the clamping jaw and the limiting sleeve is converted into rolling friction, and abrasion between the clamping jaw and the limiting sleeve is reduced.