98results about How to "Achieve ejection" patented technology

The invention discloses a hopping robot based on a structure of a bi-mass model. A bottom mechanism for realizing a support function is installed on the bottom of a body; top mechanisms for realizing the functions of drive, compression and release are installed on the top of the body; and a middle leg connection mechanism for finishing the functions of energy storage and connection is further installed. The movements of the top mechanisms along a guide rail are realized by the engagement of an incomplete gear on a four-stage gear shaft and a rack, the ejections of the top mechanisms are realized by the disengagement of the incomplete gear and the rack, and the drive mechanism and the energy release mechanism are simple and reliable; and the top mechanisms are enabled to have a determined ejection direction by utilizing a six-rod structure and adding a constraint of sliding pair. The hopping robot based on the structure of the bi-mass model disclosed by the invention is used as a moving carrier of a detecting instrument for realizing wireless control for the mechanisms by adding a single chip to provide a control circuit board comprising an ultrasonic ranging sensor, a photoelectric coded disk, an infrared receiver, a direct-current motor controller and the like for a master control chip, so that the mechanisms can be applied to the fields of scientific exploration, military reconnaissance and the like.

A near dry machining liquid supplying device in mechanic process field is provided, a micro spraying device is arrange in a nozzle, which is composed of an inner side micro spraying and an outer size micro spraying, and a lubricate entrance is provided on; the outer side micro spraying device is composed of an outer side shaking base plate, an outer side pressure PZT lead wire, an outer side PZT, an outer cavity, an air entrance, an air micro spraying hole and a spraying hole film; the outer side PZT is pasted on the outer side shaking base plate, the outer side PZT lead wire is pasted on the upper and the lower side of the outer side PZT, the outer side shaking base plate is pasted on the spraying hole film the air entrance is provided on the size wall of the spraying hole film, the air micro spraying hole is provided on the spraying hole film; the inner side micro spraying is composed of an inner side shaking base plate, an inner PZT lead wire, an inner PZT, an inner cavity, a lubricate entrance, a lubricate micro spraying hole and a spraying hole film; the inner side PZT is pasted on the inner side shaking base plate, the inner PZT lead wire is pasted at the upper and the lower side of the inner side PZT, the inner shaking base plate is pasted to the spraying hole film, the lubricate micro spraying hole is provided on the spraying hole film.

The invention relates to a launching frame and system for launching an unmanned aerial vehicle. The launching frame comprises a launching frame body, a skate frame, a launching rope and a driving device. The skate frame is arranged on the launching frame body and used for bearing and launching the unmanned aerial vehicle. The launching rope is arranged at the launching end of the launching frame body. The skate frame is arranged at the initial end of the launching body and can slide in the extending direction of the launching frame body. A driving device is connected with the skate frame and used for driving the skate frame to move in the extending direction of the launching frame body so that the skate frame can collide with the launching rope to launch the unmanned aerial vehicle. When the unmanned aerial vehicle is launched, the driving device is used for driving the skate frame to linearly move on the launching frame body, and motion of the skate frame does not need to be powered by stretching deformation of an elastic string, so that the launching frame is small in overall size, easy to operate and capable of improving the launching efficiency of the unmanned aerial vehicle.

The invention belongs to the technical field of forming machines, and particularly discloses an intelligent powder raw material forming machine comprising a base. Two supporting rods are mounted on the left side of the top of the base, a U-shaped frame with a downward opening is mounted on the right side of the top of the base, a motor is mounted at the top of an inner cavity of the U-shaped frame, a screw rod is mounted at the power output end of the bottom of the motor, a thread bushing is in threaded connection with the bottom of the outer wall of the screw rod, a pressure sensor is embedded in the center of the top of a pressing plate, an excess-material alarm is mounted on the left side of a raw material box, and a hopper is mounted at the bottom of the raw material box, thus it can be ensured that the adding quantity of raw materials is consistent and the quality of the formed materials is the same. After raw material forming is completed, the raw materials can be jacked out, andcollecting of the raw materials is convenient; in the forming process, the raw materials can be heated or cooled according to the need, thus using demands are met, and the intelligent powder raw material forming machine is convenient to use and high in automation degree.

The invention discloses a reconfigurable flexible teaching aid for demonstrating the duality relation of freedom degree and restraint in mechanical principle teaching. The teaching aid comprises a movable platform, a static platform and six rod pieces, wherein the six rod pieces are arranged between the movable platform and the static platform. According to the teaching aid designed, on one hand, teaching aid configurations with different freedom degrees can be lapped by utilizing the modularized rod pieces and the platforms, on the other hand, the duality relation between the freedom degree and the restraint can be verified by utilizing the lapped teaching aid configurations. Through the direct observation of the teaching aid, students can directly master the concepts of freedom degree and restraint and the like as well as the duality relation between the concepts.

The invention discloses a multifunctional pressure-adjustable nose washer which comprises a nozzle, a flow guide tube, a shell, a salt added, an air guide tube, an inflating device, a pressure valve, a control valve and a one-way valve. A first cavity, a second cavity and a third cavity are arranged in the shell. A connecting support, a first clamp groove and a second clamp groove are formed on the outer wall of the shell. A flow guide port, an inflating port, a water filling opening and feed inlet are formed in the second cavity, the flow guide port extends into the first cavity, the inflating port extends into the third cavity, the water filling opening is communicated with the outside, and the feed inlet is communicated with the salt adder. The nozzle is mounted at the top of the shell through the connecting support. The flow guide tube is mounted in the first cavity. The nozzle is communicated with the flow guide port through the flow guide tube. The salt adder is mounted in the second clamp groove. The air guide tube and the inflating device are mounted in the third cavity. The inflating device is communicated with the inflating port through the air guide tube. The pressure valve is mounted at the water filling opening of the second cavity. The control valve is mounted in the first clamp groove. The one-way valve is mounted on the air guide tube.

The invention discloses a pressure-adjustable nasal irrigator which is convenient for a user to operate and capable of effectively controlling water pressure of a spray nozzle spraying salt water and greatly improving irrigating comfortableness. The pressure-adjustable nasal irrigator comprises the spray nozzle, a diversion pipe, a liquid storage device, a salt adding device, a temperature detection component, air ducts, an inflating device, a pressure valve, a control valve and a plurality of check valves. The diversion pile is communicated between the spray nozzle and the liquid storage device; the check valves and the control valve are arranged on the diversion pipe; the control valve can regulate to increase the water pressure of the cleaning fluid sprayed from the spray nozzle gradually; the air ducts are communicated between the liquid storage device and the inflating device; the liquid storage device is used for storing the cleaning liquid; the inflating device is used for increasing air pressure inside the liquid storage device; another check valve is arranged on the air ducts; the salt adding device is mounted on the liquid storage device so as to add salt into the liquid storage device quantitatively; the temperature detection component is arranged in the liquid storage device, so that water temperature of the cleaning liquid can be monitored in real time; the pressure valve is mounted on a water filling nozzle of the liquid storage device; scale marks are further arranged on the liquid storage device, so that concentration of the cleaning liquid can be effectively controlled.

The invention provides pet food-throwing apparatus and a dog teaser. The pet food-throwing apparatus comprises a grain storage bin, ejection apparatus and a transmission mechanism, wherein an outlet of the grain storage bin conveys food to an inlet of the ejection apparatus through conveying apparatus, the ejection apparatus is used for ejecting the food, the bottom of the ejection apparatus is provided with adjusting apparatus for adjusting the elastic force, the transmission mechanism is used for transmitting power to synchronously drive the conveying apparatus and the ejection apparatus towork, the ejection apparatus is installed on an adjusting base, and a position of the adjusting base is adjusted by the adjusting apparatus for changing a compression distance of springs. Through theadjusting apparatus and rotating apparatus, the position change of ejected food is realized, and thereby the enthusiasm of a pet is fully mobilized.

The invention discloses a home environment double-upper-limb active training device. The device comprises an upper limb movement mechanism, the upper limb movement mechanism comprises a rotating shaft; left and right handle levers are fixed by the rotating shaft; the rotating shaft drives a left front rotating shaft and a right front rotating shaft I to rotate through the left and right belt transmission mechanisms respectively; the right front rotating shaft I is connected with a left front rotating shaft I through a clutch; the left front rotating shaft and a right front rotating shaft II respectively drive a left gear rack mechanism and a right gear rack mechanism; the ascending of a left rack and a right rack is realized; a right gear is fixed on the right front rotating shaft II through a one-way bearing; the left rack and the right rack drive the sliding block connecting plate to ascend; the left handle rod and the right handle rod move forwards and backwards once to enable the left rack to ascend higher than the right rack; the left handle rod moves forwards and backwards to reach a set position to eject out a ball in a hollow pipe fixed to the stand column, a pawl and ratchet bar mechanism is further arranged on the right rack, the right rack ascends step by step, a patient is stimulated to move forwards and backwards to the set position at a time, and the rehabilitation interest effect is improved.

The invention discloses a capsule-type heating device for floor heating. The capsule-type heating device for floor heating is applied to a floor heating track and comprises a plurality of capsule heating units. Each capsule heating unit comprises a shell. A noise elimination mechanism is arranged outside each shell, low-temperature heat-emitting oil used for heating is arranged in each shell, andeach shell is further internally provided with a first magnetic device and a second magnetic device. When the multiple capsule heating units travel into the floor heating track, the capsule heating units are arranged in a polarity rejecting mode, that is, when the tails of the first capsule heating units and the heads of the second capsule heating units are adjacently arranged, the magnetic polesof the tails of the first capsule heating units and the magnetic poles of the heads of the second capsule heating units are opposite. The capsule-type heating device for floor heating is easy and convenient to mount and is innovatively invented.

The invention discloses an injection mold for an automobile trunk cover. The injection mold comprises a base plate, an upper mold and a lower mold; the upper mold is in sliding connection with the topend of the lower mold; a plurality of uniformly distributed locating rods are fixed on the top of the base plate; a lower template which is horizontally arranged is fixed on the bottom of the lower mold through bolts; the lower template is in sliding connection with the locating rods; a plurality of slide blocks distributed in an array are in sliding connection with the top end of the base plate;the top ends of the slide blocks are respectively hinged with first connecting rods and second connecting rods; the other ends of the first connecting rods are hinged with the bottom end of the lowertemplate; a plurality of fixing drums which are distributed in array and are vertically arranged are fixed on the top of the base plate; vertically arranged slide rods are in sliding connection withthe interiors of the fixing drums; baffle blocks are fixed at the other ends of the slide rods. The injection mold for the automobile trunk cover has a simple structure and is reasonably designed; when the upper mold is opened, the ejection of the end product can be realized; the mold processing efficiency is increased and the manufacturing cost of the mold is greatly lowered; and the injection mold is high in practicability and is suitable for popularization.

The invention discloses an auxiliary hydraulic catapult for an unmanned aerial vehicle. The auxiliary hydraulic catapult comprises a chassis, a base, a launching height adjusting rod, a launching padand the like. The spring device is ingeniously utilized; energy generated in the dynamic change process of the hydraulic device is accumulated into huge elastic potential energy, the huge elastic force generated in the deformation recovery process of the strong spring is transmitted to the unmanned aerial vehicle needing to be catapulted, the unmanned aerial vehicle is endowed with a high initialspeed in the process, and therefore the purpose of catapulting the unmanned aerial vehicle is achieved. The related device designed by the invention has a related structure for adjusting the orientation, and can be adjusted to the required emission orientation in a short time. While the launching direction is adjusted, the system can also adjust the structure of the hydraulic rod, and therefore elastic potential energy is accumulated. By means of the independent module design, the emission waiting time interval can be effectively reduced, the emission efficiency is improved, and better economic benefits are obtained.

The invention provides a multifunctional ball training aiding device which comprises two outer side aluminum plates (16), a hollow supporting base (17), two first inner side aluminum plates (19), two second inner side aluminum plates (20), a synchronous belt (13), a synchronous belt wheel (12), an air wheel (11), a multifunctional pulley (21), two big ball collecting arms (23), two big ball collecting arm driving motors (4), two first ball collecting gears (24), two second ball collecting gears (25), two ball collecting driving motors (2), a thick connecting rod (10), a front end roller (1), two crank driving motors (7), a crank connecting piece (6), two first cranks (26), two second cranks (27), two second big gears (38), a small gear (29), two large ball serving arms (5), two fan-shaped connecting pieces (30) and two right-angled L-shaped frames (31). The multifunctional ball training aiding device can achieve movement, ball collection and ball serving in a site and brings convenience to training aiding of athletes.

The invention relates to a fuel cell humidifier and a proton-exchange membrane fuel cell using the fuel cell humidifier. The fuel cell humidifier comprises a humidifying barrel through which gas passes through and at least one orifice ring which is arranged in the humidifying barrel along a flow circulating direction, wherein each orifice ring is internally provided with a sudden contraction, the inner diameter of the sudden contraction part is smaller than that of the orifice rings in the upstream and downstream positions, a blowhole is formed on the ring body corresponding to the downstream position of the sudden contraction, the blowhole has a water inlet which is communicated with a corresponding water source, and by mean of the sudden contraction part and the blowhole, an air flow flowing through the orifice ring can change in flow velocity and generate a low pressure so as to spray out humidifying water without a water pump, so that the manufacturing and the using costs can be lowered.

The invention provides a hydraulic cleaner and a micro-fog dust suppression device. The hydraulic cleaner comprises a washing mechanism and a walking mechanism. The washing mechanism comprises an installation frame, a water tank, a washing pipe, two pressurization wheels, two sealing sliding pieces and at least one shield piece. The washing pipe is provided with a water inlet and a water outlet. The water inlet and the water outlet communicate. The sealing sliding pieces are slidably arranged in the washing pipe. The pressurization wheels are in driving connection with the sealing sliding pieces. The pressurization wheels slide relative to the washing pipe when rotates, and therefore sealing pieces are close to each other, water is squirted from the water outlet, and water squirting operation is achieved. The shield pieces block the water outlet, so that water leakage is prevented when utilization is not required. Water being squirted from the water outlet is achieved by pushing the hydraulic cleaner, operation is convenient, energy is saved, and environment protection is accomplished.

The invention discloses a garden soil repairing and irrigating device, and relates to the field of garden construction. The garden soil repairing and irrigating device comprises a bottom plate. A middle plate is fixedly connected with the center of the bottom plate. The two ends of the top face of the bottom plate are each provided with a liquid tank. The top end of the middle plate is fixedly connected with a middle fixed frame. The center of the top end of the middle fixed frame is fixedly connected with a driving motor. An output shaft of the driving motor penetrates through the middle fixed frame and is fixedly connected with a first gear. The two sides of the first gear are each meshed and connected with a second gear. The center of the top end of the middle plate is fixedly connectedwith a fixed pipe. The top end of the fixed pipe is fixedly connected with a rotating base. The rotating base is rotationally connected with the second gears. Different types of soil repairing liquidcan be added through the two liquid tanks respectively, the liquid can be conveyed and sprayed out through a piston cylinder, caked soil can be broken through a soil breaking blade, and therefore watering is convenient, the operations are driven by a driving motor to be completed, energy consumption is low, and device cost is low.

The invention relates to the battery field, in particular to a vehicle-mounted battery storage box of a new energy vehicle, comprising a box body, a cover plate, a disassembly mechanism, a support mechanism, a disassembly groove, a battery separation mechanism, a connection mechanism and a battery placement mechanism. The invention relates to the vehicle-mounted battery storage box of a new energyvehicle; two supporting plates are symmetrically fixed inside the box body; a filter screen is fixedly connected between the two supporting plates to support the battery and dissipate heat for the battery, thus prolonging the battery life; a plurality of top column grooves are equally formed in the surface of the filter screen to engage the top pillar inside any mounting groove in the surface ofa rocker. By rotating the screw rod, the position of the support base can be adjusted, limit teeth are engaged with clamping teeth, and the rocker can be jacked up by pressing a pressing column, so that the battery at the top of the top column corresponding to the top of the top column grooves is further jacked up, and the battery can be conveniently and quickly replaced; and an external eight-shaped taking groove is arranged at the edge of the side wall of each of a plurality of separators, so that the battery can be conveniently taken out after the battery is jacked up.

The invention discloses a structure with ejection and core-pulling functions and an injection mold. The structure with the ejection and core-pulling functions comprises push rods, a push block, sliding blocks and inclined guide pillars, and the push rods penetrate through a lower mold plate of the injection mold and are connected with the push block. The push block is used for pushing and ejecting out an injection product, sliding grooves penetrating through the inner side and the outer side of the push block are concavely formed in the upper end face of the push block, and avoiding holes penetrating through the bottoms of the sliding grooves are formed; the sliding blocks are accommodated in the sliding grooves in a matched mode and can slide outwards along the sliding grooves; each sliding block is provided with a core pulling hole which obliquely extends outwards from the lower end face of the sliding block to the upper end face of the sliding block from bottom to top; the lower ends of the inclined guide pillars are fixed to the lower mold plate, and the upper ends of the inclined guide pillars penetrate through the corresponding avoiding holes and then penetrate into the core pulling holes in a matched mode; the extending direction of the inclined guide pillars is consistent with the extending direction of the core pulling holes. By means of the technical scheme, while the push block is used for ejecting out the injection product, core pulling of buckling positions of the side faces of the injection product through the sliding blocks is achieved.

The invention discloses a steaming device which comprises a housing, a steam nozzle, a steam boiler, a valve, a switch and a switch spring, wherein the steam boiler is communicated with the steam nozzle; the valve is arranged on a steam path between the steam nozzle and the steam boiler and used for releasing steam from the steam boiler; the switch is arranged on the housing in a sliding or rotating manner and used for driving the valve to be switched on and off; the switch spring is arranged between the switch and the housing; the switch is provided with an external operating surface by using which an operator can operate; the switch is provided with an inner part propping against the valve or in transmission connection with the valve, and has a switching on position and a switching off position; the device also comprises a safety locking mechanism used for locking the switch and a retaining mechanism for keeping a locking piece at a second position. The steam switch can be switched on only when the safety locking mechanism moves to the corresponding position, and the safety locking mechanism automatically returns to the position in which the steam switch is blocked to be switched on when the steam switch is closed, so that security incidents caused by accidental touch can be avoided, and the steaming device is simple in structure, reliable to work and suitable for most of steam devices.

The present invention relates to the technical field of disinfection devices of aircraft cabins and discloses a mist sprayer for disinfection of an airplane cabin and a disinfection method. The mist sprayer comprises a liquid storage tank and a spray gun, a first liquid storage cavity, a second liquid storage cavity, a first ultrasonic atomizer and a second ultrasonic atomizer are arranged in theliquid storage tank, the first liquid storage cavity is filled with a disinfectant, the second liquid storage cavity is filled with insecticidal liquid, the first liquid storage cavity is connected with a first liquid guide pipe, the second liquid storage cavity is connected with a second liquid guide pipe, and a three-way electromagnetic valve capable of switching states is connected between thefirst liquid guide pipe and the second liquid guide pipe; and the spray gun comprises a shell body, a pump body, a first spray pipe and a second spray pipe, and the pump body can enable disinfection atomized liquid and insecticidal atomized liquid to be sprayed outwards through the first spray pipe and the second spray pipe in sequence respectively; The method comprises a solution preparation step, a disinfection step and an insecticidal step.

The invention belongs to the technical field of municipal construction, and particularly relates to an environment-friendly garbage can for municipal construction. The environment-friendly garbage can comprises a can lid, a side plate, a can base and a circulation module. The can lid comprises a handle, a can lid plate, a screw cap, a rotary shaft, a piston, elastic rods, cleaning brushes, a sucking module, extension springs and a sleeve ring. The can lid plate is hinged to the side plate. The handle is located above the can lid plate and fixedly connected with the can lid plate. The screw cap is located above the rotary shaft. The rotary shaft is located above the piston and fixedly connected with the piston. The cleaning brushes are connected with the rotary shaft through the elastic rods. The sucking module is located between the rotary shaft and the elastic rods. The extension springs are located between the rotary shaft and the elastic rods. The sleeve ring is located below the rotary shaft and connected with the cleaning brushes through buckles. According to the environment-friendly garbage can, the circulation module is matched with the can lid, thus, the automatic sewage cleaning function and the can lid cleaning function are achieved, the can lid is easy to clean, the appearance of the garbage can is improved, and then the city appearance is improved.

The invention discloses a drying box for textile fabric processing. The drying box comprises a drying box body, wherein two air collecting blocks are arranged in the drying box body, a plurality of nozzles are arranged in the two air collecting blocks, an air inlet pipe communicating with the outside of the drying box body is inserted into the inner bottom of one air collecting block, a communicating pipe is inserted into the inner top of the other air collecting block, a partition plate is welded to the inner wall of the drying box, a treatment cavity with the inner bottom obliquely arranged is formed in the upper end of the drying box, the treatment cavity communicates with the drying box through an air inlet groove, and a treatment device is arranged in the treatment cavity. The drying box has the advantages that water in hot air flow is absorbed by utilizing the water absorption of sponge, and the water in the hot air flow can be quickly separated, so that the treated hot air flow does not contain water, water does not exist when the hot air is discharged, the environment around the drying box can be protected to a certain extent, and the sponge is used for absorbing water, so that the cost is lower.

The invention provides a burner which comprises a heat conduction cover body, a fuel line and a nozzle. A cavity and a fire outlet are formed in the heat conduction cover body, wherein the fire outlet is communicated with the cavity. The nozzle is installed in the cavity. A section of the fuel line winds round and is closely attached to the outer wall of the heat conduction cover body. One end of the fuel line is connected with the nozzle and the other end of the fuel line is connected with a fuel inlet. The burner can enable fuel to be burnt completely and is high in heat efficiency, good in safety performance and capable of reducing environmental pollution.

The invention provides an ejection assembly of a cleaning device. The ejection assembly comprises an elastic piece installed on a main body part; an annular piece which is provided with a guide column, wherein the elastic piece can extend in the axial direction of the guide column so as to eject the annular piece; a dust cup which abuts against the annular piece, wherein the annular piece moves under the ejection effect of the elastic piece and pushes the abutting dust cup to move. The ejection assembly pushes the dust cup to move while ejecting the annular piece, the dust cup is ejected out by a certain distance, the dust cup is convenient to detach, and automatic dust scraping can be achieved while the dust cup is ejected out; the structural design of the annular piece is ingenious, and ejection and dust scraping of the dust cup are achieved under the condition that the diameter of the cleaning device is not increased; and a sealing piece is mounted on the annular piece, so that a first-stage dust area in the dust cup can be always in a sealed state in the process of ejecting the dust cup, and the influence on the user experience and the dust collection effect due to dust flying is reduced or avoided. The invention further provides a cleaning device.

The invention provides a defogging method based on a moving image of a floor heating capsule. The defogging method comprises the steps that the moving image of the floor heating capsule is acquired; sub-block partial overlap partial histogram equalization is used to enhance the original fog image; a DCP algorithm is used to acquire optimized transmittance; an MRF model is used to carry out modeling on the constraint characteristic of the structure detail information of the image and the transmittance to further refine the transmittance; and from the distinguishing feature of the sky domain, the atmospheric light value is acquired through a block search method. According to the invention, a more accurate transmittance map can be acquired; the structure information of the image is effectively maintained; the defogged image presents rich details and a realistic color visual effect; the installation is simple and convenient; and a visualized modular floor heating track is innovatively invented, which is visual and vivid.

The invention discloses a stamping die with a material ejection function. The stamping die comprises an upper die body and a lower die body. A punch is arranged on the lower surface of the upper die body. Stamping grooves matched with the punch in size are formed in the upper surface of the lower die body. Material ejection blocks are mounted in the stamping grooves. Cavities which are matched with the material ejection blocks in size and communicate with the bottom faces of the stamping grooves are dug in the bottoms of the stamping grooves. The lower end faces of the material ejection blocks are mounted in the cavities through elastic support mechanisms. The upper end faces of the material ejection blocks are located in the stamping grooves. The stamping die with the material ejection function is simple in structure and reasonable in design; and the material ejection blocks and the elastic support mechanisms are arranged in the stamping grooves, a material ejection system is formed and accordingly used for ejecting material strips and stamping pieces out after stamping is completed, and the stamping and discharge rate is increased.

The invention discloses an automatic fire protection early warning device, and relates to the technical field of fire protection devices. The device comprises a first liquid storage shell, a second liquid storage shell is arranged in the first liquid storage shell, and a first liquid storage cavity is formed by the second liquid storage shell and the inner wall of the first liquid storage shell; a discharging part is installed at the bottom of the first liquid storage shell and communicates with the first liquid storage cavity through a penetrating opening, meanwhile, a liquid discharging opening is formed in the bottom of the discharging part, and a sealing assembly is installed in the liquid discharging opening in a matched mode; a dividing part is installed in the second liquid storage shell and divides the interior of the second liquid storage shell into a first cavity and a second cavity, the first cavity is communicated with the first liquid storage cavity through a discharging port formed in the side wall of the second liquid storage shell, and a switch assembly is installed in the discharging port in a matched mode. The telescopic assembly drives the switch assembly to be turned on, a solution in the first cavity enters the first liquid storage cavity to react, a large amount of foam is generated, and therefore the internal pressure of the first liquid storage cavity is increased, fire-fighting foam is sprayed out through the liquid outlet, the fire-fighting foam is sprayed to the area, and the purpose of local fire extinguishing is achieved.

The invention discloses a powerless mixing spray gun for refractory materials. The powerless mixing spray gun for the refractory materials comprises a spray nozzle and a spray gun, wherein the outer wall of the lower part of the spray nozzle is in threaded installation with the connection part of the spray gun through external threads; a mixing component is mounted at the center of the interior ofthe spray nozzle; the lower part of the outer wall of a vertical rod is fixedly connected with a round rod through a cross rod, and the upper part of the round rod is rotationally connected with a water inlet pipe through a sealing bearing. A powerless repairing spray gun for the refractory materials is scientific and reasonable in structure, and safe and convenient to use; and a mixing assemblyis provided; a water inlet pipe, a circular rod, blades, a vertical rod, a cross rod, a supporting rod, a second sleeve ring, a spray head and the nozzle are matched; water can be injected by an outerhigh-pressure water pump utilizing the water inlet pipe, so that the water at the spray head can be sprayed out; and meanwhile, water can be used for driving the blades to rotate the spray head, anda water net is formed at the second sleeve ring, and thus full mixing is realized; and the problem that a motor is used in the prior art to realize rotating mixing to cause excessively high requirement and inconvenient carrying can be avoided.

The invention provides a pet food throwing device and a dog teasing device. The pet food throwing device comprises a food storage bin, an ejection device and a transmission mechanism. Food is conveyedto an inlet of the ejection device from an outlet of the food storage bin by a rotatable rotating wheel; the ejection device is used for ejecting food; an adjusting device for adjusting elastic forceis arranged at the bottom of the ejection device; the transmission mechanism is used for transmitting power to drive the rotating wheel to rotate and the ejection device to work synchronously; and the ejection device is installed on an adjusting base, and the position of the adjusting base is adjusted by the adjusting device to change compression distance of a spring. The position of ejected foodis changed by the adjusting device and a rotating device, so that the enthusiasm of pets is fully aroused.

The invention discloses a structure with ejection and core-pulling functions and an injection mold. The structure with the ejection and core-pulling functions comprises push rods, a push block, sliding blocks and inclined guide pillars, and the push rods penetrate through a lower mold plate of the injection mold and are connected with the push block. The push block is used for pushing and ejecting out an injection product, sliding grooves penetrating through the inner side and the outer side of the push block are concavely formed in the upper end face of the push block, and avoiding holes penetrating through the bottoms of the sliding grooves are formed; the sliding blocks are accommodated in the sliding grooves in a matched mode and can slide outwards along the sliding grooves; each sliding block is provided with a core pulling hole which obliquely extends outwards from the lower end face of the sliding block to the upper end face of the sliding block from bottom to top; the lower ends of the inclined guide pillars are fixed to the lower mold plate, and the upper ends of the inclined guide pillars penetrate through the corresponding avoiding holes and then penetrate into the core pulling holes in a matched mode; the extending direction of the inclined guide pillars is consistent with the extending direction of the core pulling holes. By means of the technical scheme, while the push block is used for ejecting out the injection product, core pulling of buckling positions of the side faces of the injection product through the sliding blocks is achieved.