29results about How to "Reduce molding difficulty" patented technology

The utility model provides a double-control faucet. The double-control faucet comprises a water outlet main body and a water outlet pipe fitting, the water outlet body is provided with a mounting cavity, a cold water channel and a hot water channel, and a mixed water channel is formed in one end of a mounting opening of the mounting cavity. And a mixing valve core is mounted in the mounting cavity. The water outlet pipe fitting is mounted at the mounting opening of the mounting cavity, and the water inlet end of the water outlet pipe fitting is coaxial and communicated with the mounting cavity. A temperature control assembly in linkage with the mixing valve element is arranged in the water inlet end of the water outlet pipe fitting, the temperature control assembly is provided with a temperature adjusting handle extending out of the periphery of the water outlet pipe fitting, and a flow control assembly is further arranged on the water outlet pipe fitting and located on the downstream of the temperature control assembly, so that a structure that the temperature control assembly and the flow control assembly are arranged in a staggered mode is formed. Therefore, the situation that the two switches are arranged together to cause large installation position size and congestion is avoided, the influence on the appearance modeling design of the faucet is reduced, and the appearance of the faucet has a larger design space.

The invention discloses a high-efficiency mist-discharging high-capacity atomizing tank which comprises a tank body and a tank cover, the tank cover is detachably arranged at the upper end of the tank body, a mist outlet is formed in the middle of the tank cover, an atomizing core mounting cavity is formed in the lower portion of the mist outlet, an atomizing core is mounted in the atomizing core mounting cavity, and the atomizing core is mounted in the atomizing core mounting cavity. The atomizing core mounting cavity is communicated with the outside through a compressed air inlet, one side of the top of the tank cover is provided with an air supply port penetrating through the top and the bottom, the lower side of the atomizing core is in butt joint with a liquid suction pipe vertically extending to the bottom of the tank body, and a liquid suction channel is formed in the liquid suction pipe; the upper end of the liquid suction channel is communicated with a nozzle at the lower end of the atomizing core, a surrounding part surrounding the atomizing core is arranged in the middle of the lower end of the tank cover, a mist gathering cavity is defined by the surrounding part, and the mist gathering cavity is communicated with the mist outlet through a communication groove. The problems that an existing atomization tank is small in compressed gas flow rate application range and low in atomization efficiency can be solved.

The utility model relates to the technical field of lithium batteries, in particular to a center needle and a lithium battery, the center needle comprises a rod body and a flange plate body, one end of the rod body close to a cap body of the lithium battery forms a first end, and the port part of the first end of the rod body is turned outwards along the radial direction to form an assembly edge. The flange plate body is assembled at the first end of the rod body, the inner diameter position of the flange plate body is folded towards the second end of the rod body to form a clamping ring, the clamping ring comprises a plurality of clamping teeth distributed at intervals, and during assembling, the flange plate body moves to the first end from the second end of the rod body until the clamping ring is tightly attached to the assembling edge, and then the clamping teeth are clamped to the first end of the rod body. The clamping teeth of the clamping ring are engaged with the outer wall of the rod body to form interference fit. The technical problem that in the prior art, a center pin which is thin in size, high in height and provided with a flange plane is not easy to produce is solved.

The utility model provides a battery device, a power utilization device and a circuit board, and belongs to the technical field of batteries. The battery device comprises a box body, a plurality of battery monomer components, a battery management system and a sampling assembly, the plurality of battery monomer assemblies are arranged along a first direction and are accommodated in the box body; each battery monomer assembly comprises a plurality of battery monomers which are stacked along a second direction; the battery management system includes a control member disposed on one side of the battery cell assembly in the second direction. The sampling assembly comprises a circuit board and a sampling piece, the circuit board comprises a main body area, a connecting area and a plugging area, the main body area extends in the second direction and is arranged on one side of the battery monomer assembly in the third direction, the connecting area is connected with the main body area and the plugging area, the connecting area extends in the first direction, and the plugging area is in plugging fit with the control piece; the sampling piece is electrically connected with the main body area. According to the battery device with the structure, the layout of the circuit board can be optimized, so that the internal space utilization rate of the battery device is improved.

The utility model provides a faucet plastic waterway structure which comprises a main body, a valve core seat, a water inlet core body and a fixing piece. The main body is provided with an installation cavity and a water inlet insertion channel, and the valve element seat is installed in the installation cavity and provided with an insertion opening. And the water inlet core body is arranged in the main body through the water inlet insertion channel and is provided with an insertion head inserted into the insertion port of the valve core seat. The fixing piece is installed in the installation cavity through an installation opening in the end of the installation cavity, a locking mechanism is arranged between the fixing piece and the water inlet core body, and the fixing piece limits the inserting-connecting head of the water inlet core body to retreat from the inserting-connecting opening of the valve element base through the locking mechanism. According to the faucet plastic waterway structure provided by the utility model, the valve core seat and the water inlet core body can be assembled together in the main body in an inserting manner, and are fixedly and integrally assembled through the fixing piece, so that the integral forming manner of a traditional faucet waterway component can be replaced, the forming difficulty is greatly reduced, and meanwhile, the cost is reduced. Related parts of the waterway can also adopt plastic parts, so that the cost is reduced.

The application provides an elastic locking limiting piece, a push-out type air deflector limiting structure and an air conditioner. The elastic locking limiting piece comprises a base, an axial limiting part, an elastic arm and a buckle part. The elastic arm extends from the base along an axial direction, and the buckle part protrudes from the elastic arm. An end of the buckle part has a first guide surface. The buckle part is closer to a plug-in front end of the elastic locking limiting piece than the axial limiting part, and the first guide surface faces away from the plug-in front end. The push-out type air deflector limiting structure comprises the elastic locking limiting piece, and the air conditioner comprises the push-out type air deflector limiting structure. The elastic locking limiting piece is inserted into a rotating shaft insertion hole of a push-out rack to limit a hook. When the hook and the rotating shaft are about to be disengaged, the hook pushes the axial limiting part from the axial direction, and at this time, the first guide surface abuts against a buckle surface of the rotating shaft to force the elastic arm to fold and deform, so that the elastic locking limiting piece is pushed out of the rotating shaft, and the hook can be disengaged from the rotating shaft from the axial direction, thereby avoiding damage to the hook and the rotating shaft.

The utility model provides a side water outlet valve core and a faucet, the side water outlet valve core is provided with a water outlet channel, the water outlet channel forms a water outlet insertion port on the peripheral surface of the valve core, and the water outlet insertion port is parallel to the axial direction of the valve core and penetrates through the end part of the valve core. According to the side water outlet valve element provided by the utility model, the water outlet channel extends to the peripheral surface of the valve element and forms the water outlet insertion port which simultaneously penetrates through the peripheral surface and the end surface, when the valve element with the structure is installed, the water inlet end of the water inlet pipe butted with the valve element must be provided with or form an L-shaped insertion head, and an insertion mode parallel to the axial direction of the valve element is adopted; after the valve element is assembled, the end of the valve element is basically pressed, meanwhile, the water inlet end of the water inlet pipe is also pressed, in the water outlet state, the water outlet pipe cannot fall off due to water flushing, and the installation firmness of the water outlet pipe is greatly improved.

The utility model discloses a data and electricity simultaneous transmission centralized controller with flexible installation, which comprises a control box, the control box is provided with a box body and a cover body covering the box body, the box body is internally provided with a memory, a processor and a traffic light control program stored on the memory and capable of running on the processor, the cover body is provided with a voltage stabilizer, the box body is provided with a flexible part, and the flexible part is provided with a power supply. The cover body covers the box body so that the voltage stabilizer can abut against the flexible piece. The memory and the processor are integrated in the same control box, assembly and maintenance by workers are facilitated, the memory and the processor are arranged in the box body, the voltage stabilizer is arranged on the cover body, and the memory, the processor and the voltage stabilizer are integrated in the control box; the voltage stabilizer located on the cover body abuts against the flexible part when the cover body is buckled into the box body, so that collision damage between the voltage stabilizer and the memory or the processor is avoided, and flexible installation protection is achieved for the voltage stabilizer, the processor and the memory.

The present application relates to the technical field of thin-walled part forging, and particularly provides a thin-walled part bending forging process, which comprises the following steps: heating a bar to a preset temperature to obtain a blank; forging the blank into a flat blank; forging the flat blank into a bowl-shaped structure in a first die to obtain a thin-walled bowl-shaped part; bending the thin-walled bowl-shaped part to form a thin-walled rough part; and forging the thin-walled rough part in a second die to obtain a target thin-walled part. The thin-walled part bending forging process can make the flat blank extend in the opposite direction of the movement direction of the movable die of the first die during the forging process, so that the flat blank is more likely to fill the first die, which is beneficial to improving the integrity and uniformity of the forged part, effectively reducing the forming difficulty of the vertical thin-walled part, and reducing the lateral pressure and Y-direction pressure borne by the die, so that stress concentration is not easily formed, and the service life of the die is significantly improved.

This utility model provides a sparkling water shower head, including a shower head body and a sparkling water component. The outlet cover of the sparkling water component is provided with a through-threaded connecting groove on its periphery. So, regardless of the final installation angle of the outlet cover, the connecting groove can provide air to the water outlet body. This reduces the dimensional accuracy requirements of the outlet cover and its installation structure with a simple structure, and also reduces the complexity of installing the outlet cover, eliminating concerns about poor air intake.

The utility model discloses an axle body structure and drive assembly. The axle body structure includes motor shaft and input shaft. Input shaft is welded in motor shaft, and input shaft has gear cooperation part. The axle body structure divides motor shaft and input shaft and designs separately, so it can choose different material, forging technology and heat treatment technology shaping respectively to adapt to different working condition demand, simultaneously, adopts welding shaping between motor shaft and input shaft, can ensure the integrity of the axle body structure, omits a set of internal and external spline processing and bearing, and more has cost advantage.

This invention discloses a weldless hydraulic coupling hub and a hydraulic coupling. The weldless hydraulic coupling hub includes: a hub body having a receiving hole extending axially along the hub body, the wall of the receiving hole forming the inner peripheral wall of the body; an adjusting member including an adjusting section extending into the receiving hole and radially opposite to the inner peripheral wall of the hub body, a hydraulic cavity being formed between the adjusting section and the inner peripheral wall of the body; a shaft hole defining a shaft hole for receiving a shaft body, wherein the adjusting section clamps the shaft body by injecting or releasing hydraulic oil into the hydraulic cavity to adjust the diameter of the shaft hole; a sealing assembly disposed between the hub body and the adjusting member for sealing the hydraulic cavity; and a connecting assembly for detachably mechanically connecting the hub body and the adjusting member, thereby clamping the sealing assembly between the hub body and the adjusting member.

The application discloses a kind of plant polyphenol and maleic anhydride copolymer modified polyester and its preparation method, the modified polyester includes polyester, plant polyphenol and maleic anhydride copolymer.The preparation method includes that the plant polyphenol and maleic anhydride copolymer are dissolved in organic solvent, catalyst is added and mixed uniformly, and reaction liquid is obtained;The reaction liquid is heated to 25-80 DEG C, and is reacted under the condition of stirring for 4-16h, is cooled to room temperature, then is added in petroleum ether or ethyl acetate, and solid precipitate is separated out;Solid precipitate is filtered out and is washed with ethanol, and is dried, and antibacterial and antioxidant functional modified material is obtained;Antibacterial and antioxidant functional modified material is mixed with the polyester and is placed in high mixer, and is extruded again, and the modified polyester is obtained.The modified polyester material has the characteristics of good antibacterial and antioxidant performance, good processing performance, good tensile strength and toughness.

The application discloses a composite cooling nozzle and a rocket engine, and relates to the technical field of aerospace engineering.The composite cooling nozzle comprises a first pipe body, which is a single-wall pipe; a second pipe body is fixedly connected with the first pipe body; a first cooling channel and a second cooling channel are arranged in the pipe wall of the second pipe body in an adjacent mode, and the first cooling channel and the second cooling channel are not communicated; wherein, the first cooling channel is arranged on the side of the second pipe body close to the first pipe body, and the first cooling channel is communicated with the inner wall of the first pipe body; a first gas injection assembly is connected with the first cooling channel and is used for cooling the inner wall of the first pipe body; and a second gas injection assembly is connected with the second cooling channel and is used for cooling the second pipe body.The area of the non-cooling area between the two pipe bodies is reduced, and the structural thermal protection reliability is improved.The nozzle has a compact structure, high adaptability and is favorable for controlling the overall weight of the thrust chamber.

The present application relates to the technical field of kitchen utensils, and discloses a burner and a gas stove. The gas stove comprises the burner, the burner comprises a temperature detection assembly, a gas mixing assembly and a center fire cover, the gas mixing assembly is formed with a gas mixing channel, the center fire cover is provided with a plurality of fire holes in communication with the gas mixing channel, a first fire retaining groove is formed in the lower surface of the center fire cover, the first fire retaining groove extends to the circumferential surface of the center fire cover, the center fire cover is arranged on the upper side of the gas mixing assembly, so that the first fire retaining groove forms a fire retaining hole, one end of the fire retaining hole is in communication with the gas mixing channel, and the other end is arranged opposite to the temperature detection assembly. The burner and the gas stove have the advantages that the fire retaining hole is convenient to process, and the overall manufacturing cost is low.

The invention relates to the field of petroleum and natural gas drilling tools, in particular to a screw drill motor stator, a screw drill motor and a forming method.The screw drill motor stator comprises a stator body, a rubber bushing is installed on the inner wall of the stator body, and a first spiral structure is arranged on the inner surface of the rubber bushing; in the stator body, sheaths are arranged at the two ends of the rubber bushing, the outer surfaces of the sheaths are fixedly connected with the stator body, and second spiral structures are arranged on the inner surfaces of the sheaths; the spiral line type of the first spiral structure is the same as the spiral line type of the second spiral structure. According to the motor stator, the second threaded surface is arranged on the inner surface of the sheath, so that the speed and the flow of drilling fluid passing through the motor stator can be increased on the basis of protecting the rubber bushing, and the motor stator has the advantage of improving the descending efficiency of the drilling fluid.

The present application relates to a kind of high-pressure turbine guide vane, and specifically relates to a kind of preparation method of ceramic matrix composite multi-cavity structure high-pressure turbine guide vane.Solve the technical problems that ceramic matrix composite high-pressure turbine guide vane component forming is difficult, blade component size difference and pre-embedded split joint model is easy to be bonded with blade.The method of the present application comprises the following steps:1) preparing upper edge plate component preform, lower edge plate component preform and blade body preform;2) preparing boron nitride interface layer for each preform respectively;3) preparing SiC matrix for each preform respectively, during the densification process of blade body preform, new graphite tooling and graphite paper pad are used at split joint structure for each furnace deposition;4) preparing self-healing matrix for each preform respectively;5) processing each component;Installing inner core baffle and multiple spoiler columns;Online assembly of each component, deposition and processing obtain turbine guide vane.

The utility model relates to the technical field of daily necessities, in particular to a laser cat teasing stick which comprises a shell and a circuit board, a cavity is formed in the shell, the circuit board is arranged in the cavity, a laser lamp is arranged at one end of the circuit board, a first end cap for sealing one end of the cavity is further arranged at one end of the shell, and a second end cap for sealing the other end of the cavity is further arranged at the other end of the shell. A first output hole matched with the laser lamp is formed in the first end cap, an adjusting cover is further rotationally arranged at the end, away from the shell, of the first end cap, and a light-transmitting piece matched with the first output hole is further arranged on the adjusting cover. A traditional complex assembling mode that a gear is arranged at the end to stir a light-transmitting piece to change laser lamp patterns is abandoned, and the design that an adjusting cover is rotationally arranged on a first end cap to be matched with the light-transmitting piece is adopted. According to the design, the end structure is greatly simplified, the forming difficulty of the end is reduced, and the overall appearance of the cat teasing rod is simpler and more attractive; and the pattern output by the laser lamp can be conveniently adjusted by directly rotating the adjusting cover.

The application provides a longitudinal ring band reinforced form composite cabin section forming die and a forming method thereof, which comprises a core die, a split male die, an outer female die, a mouth frame pressing tool, an upper end frame pressing ring, a lower end frame pressing ring and a base. The core die is arranged in the center of the forming die and fixed on the base. The split male die is wrapped on the outer wall of the core die. A reinforcing ring groove is arranged on the split male die along the longitudinal direction and the circumferential direction. The mouth frame pressing tool is arranged on the outer side of the split male die. The upper end frame pressing ring is horizontally fixed on the upper end surface of the core die. The lower end frame pressing ring is horizontally fixed on the bottom surface of the core die. The outer female die is wrapped on the outer wall of the split male die. The cabin section has the consistency of the overall performance and quality, and the structure has high dimensional position precision, better surface state and good rigidity and bearing capacity.

The utility model discloses an automatic pressing machine for optical glass, and belongs to the technical field of secondary profiling of special optical glass. The problems that a main air cylinder of an existing press is difficult to control, and the action of the air cylinder cannot be accurately controlled are mainly solved. The stamping die is mainly characterized by being composed of a stamping device, a die overturning device and an outer support. The punching device comprises a servo electric cylinder, a servo motor III and a punch; the mold overturning device comprises a mold overturning shaft, a mold heating device, an overturning shaft transverse moving device, a transverse moving driving device, an overturning shaft overturning device and an overturning driving device; a mold mounting position is arranged on the mold overturning shaft, and the mold heating device is arranged around the mold mounting position. The pressure device has the characteristics that the speed and the pressure intensity of the main pressure device can be accurately controlled, and the displacement distance of a core part can be adjusted, the process requirements of rapid punching and slow profiling of a punch of the optical glass press are met, the yield of finished products is improved, the noise of a machine head is reduced, and the pressure device is mainly used for secondary profiling of special optical glass.

The application discloses a welding pressure plate, a welding system and a welding method. The welding pressure plate comprises a pressure plate body and a movable pressing arm. The pressure plate body is used for covering the end face of a welding piece. The movable pressing arm is connected to the pressure plate body. The movable pressing arm is used for pressing the welding piece through the pressure plate body. The movable pressing arm extends in a direction away from the pressure plate body and can drive the pressure plate body to move relative to the welding piece so as to change the position of the edge of the welding piece blocked by the movable pressing arm and / or the pressure plate body. Thus, the welding piece can be pressed by the movable pressing arm and the pressure plate body, the welding piece is facilitated to be welded, the stability of welding is improved, and the movable pressing arm can drive the pressure plate body to move relative to the welding piece so as to change the position of the edge of the welding piece blocked by the movable pressing arm and / or the pressure plate body. The welding piece is facilitated to be pressed while welding along the edge of the welding piece, the reliability of welding is improved, and the convenience of the welding process is improved.

The invention provides a vehicle body side structure and a vehicle. The vehicle body side structure comprises a doorsill beam extending in the front-back direction of the whole vehicle and a door ring connected with the doorsill beam. The doorsill beam comprises an inner side beam body and an outer side beam body which are connected together, the inner side beam body is made of a steel metal plate, the cross section of the outer side beam body is of a multi-cavity energy absorption structure, a doorsill beam cavity is defined by the inner side beam body and the outer side beam body, and a supporting structure located in the doorsill beam cavity is arranged on the inner side beam body and / or the outer side beam body. The door ring is of an open structure with the bottom open, a plurality of connecting ends which are arranged at intervals in the front-back direction of the whole vehicle are formed, and the connecting ends are connected to the doorsill beam. According to the vehicle body side structure, the structural strength of the threshold position can be improved, the energy absorption effect during collision of the side face of the vehicle body can be improved, meanwhile, the vehicle body forming and assembling difficulty can be lowered, and the whole vehicle manufacturing cost can be lowered.

This utility model discloses a heating tube and a heating device. The heating tube includes an insulating ceramic tube, a conductive heating layer, and a temperature control switch. A heating channel is formed inside the insulating ceramic tube, and a mounting position is provided on the outer surface of the insulating ceramic tube. The conductive heating layer is disposed on the outer surface of the insulating ceramic tube and includes a heating film layer and at least two wiring portions. The wiring portions are electrically connected to the heating film layer, and the conductive heating layer is disposed away from the mounting position. The temperature control switch is disposed at the mounting position and spaced apart from the conductive heating layer. This utility model can reduce the molding difficulty and production cost of the heating tube, and effectively reduce the temperature when the heating tube is abnormally dry-burned.

The application provides a bending device and method for a heat exchanger coiled pipe, which decomposes the heat exchanger coiled pipe, and decomposes the whole structure into a body spiral part and two end bending parts; a spiral bending device is designed to meet the bending of the body spiral part of the coiled pipe; a pipe end bending device is designed to meet the bending of the pipe end part of the coiled pipe; the spiral bending device comprises a pipe bending unit, an inlet and outlet angle control unit and a pitch control unit, the pipe bending unit implements the bending of the body spiral part of the coiled pipe, the inlet and outlet angle control unit controls the forming angle of the two end bending parts of the coiled pipe, and the pitch control unit controls the pitch of the body spiral part of the coiled pipe. The bending device is adopted to solve the problems of the heat exchanger coiled pipe, such as difficult forming, difficult cleaning of the inner cavity filler, long manufacturing test period of the special mold, poor forming precision of the coiled pipe and the like.

The application provides an aircraft side plate composite curved beam forming die and method, and belongs to the technical field of aircraft part manufacturing. The die comprises a main body die and a bottom auxiliary die matched with each other. The application forms a precise curved beam forming space through the aircraft side plate composite curved beam forming die, which is convenient and reliable. In addition, through the pressure difference between the inside and outside, the air pipe is completely expanded, so that the rolled pre-impregnated material layer is tightly attached to the forming space of the die. Finally, through the heat pressing tank curing forming, the composite curved beam forming difficulty is reduced compared with the conventional pipe structure forming method, the success rate is greatly improved, and the loss of composite material caused by forming failure is reduced.

This invention discloses a method for preparing yttrium-magnesium oxide (YMO) multiphase transparent ceramics using non-aqueous gel casting, belonging to the field of ceramic preparation technology. To overcome the problems associated with water-based gel casting, this invention provides a method for preparing YMO multiphase transparent ceramics using non-aqueous gel casting, comprising: ball milling Y2O3, MgO, a dispersant, and a non-aqueous solvent; then adding epoxy resin and a curing agent and ball milling again; the resulting ceramic slurry is defoamed, cured, and dried; then subjected to debinding, sintering densification, cooling, hot isostatic pressing, annealing, and polishing to obtain the YMO multiphase transparent ceramic. This invention overcomes the difficulties in preparing large-size Y2O3-MgO nano-multiphase infrared transparent ceramics and the problem of component inhomogeneity by designing a non-aqueous solvent system and selecting a suitable gel system, and can produce complex-shaped / large-size, uniformly composed YMO nano-multiphase ceramics.

The utility model discloses a three-row roller slewing bearing for crawler excavator, including inner race, outer ring, first roller, second roller and third roller, first roller, second roller and third roller are multiple, and upper outer ring and lower outer ring are connected upside down, and outer ring is equipped with center hole, and the side wall on center hole is equipped with first recess, and the side wall on first recess is equipped with second recess, and outer ring is equipped with oil hole in, and oil hole is linked together with first recess, and inner race is located on center hole, and the outside of inner race is equipped with lug, and lug is inserted into first recess, and first roller is set up on the top of lug, and with the top wall of first recess abuts, and second roller is set up on the bottom wall of first recess, and with the bottom of lug abuts, and third roller is located in second recess, and third roller and the side wall of second recess and the side wall of lug abut respectively. The utility model can better bear the force from different directions, and better adapt to the use of crawler excavator.

The utility model discloses a sternum plate upper and lower claw forming die which comprises a one-time forming die. Each of the primary forming mold and the secondary forming mold comprises an upper mold plate and a lower mold plate; the one-time forming die further comprises a one-time male die and a one-time female die, wherein the one-time male die is installed on the upper die plate; the primary female die is installed on the lower die plate, the primary female die is provided with a primary die cavity, and the primary male die is matched with the primary die cavity; the positioning plate is arranged in the primary die cavity, and a second positioning pin hole is formed in the positioning plate; the positioning pin is matched with the first positioning pin hole and the second positioning pin hole; the polyurethane rubber is arranged on the primary female die, and the polyurethane rubber abuts against the positioning plate. The upper claw and the lower claw of the sternum plate are formed through the primary forming die and the secondary forming die respectively, the forming difficulty of the upper claw and the lower claw of the sternum plate is lowered, the sternum plate can be fixed conveniently in the forming process, and therefore the size of the formed sternum plate is more stable.