60results about How to "Reduce momentum" patented technology

The utility model discloses a methanol transportation storage tank with an external buffering function, and particularly relates to the technical field of methanol storage equipment, the methanol transportation storage tank comprises a fixed frame, a plurality of limiting grooves are formed in the fixed frame, a storage tank is movably connected in the fixed frame, and a plurality of transverse buffering mechanisms are arranged on the outer side of the storage tank; wherein the transverse buffer mechanism comprises two concentration boxes, two bottom rings are fixedly connected to the interiors of the two concentration boxes, and first springs are fixedly connected to the interiors of the multiple bottom rings. The transverse buffering mechanism, the arc-shaped buffering plates and the connecting rods are pushed by the corresponding first springs to support the inner wall of the fixing frame to a certain degree, so that when the storage tank inclines, the impact force between the storage tank and the fixing frame can be reduced through the arc-shaped buffering plates, and meanwhile the storage tank is fixed through the rotating rods and the rotating seats. And the arc-shaped buffer plate can be used for supporting at different angles, so that the storage tank can buffer the transverse impact force in the moving process.

The rotary spray head for cleaning the sediment comprises a water inlet pipe, and a bearing is arranged at one end of the water inlet pipe; a bearing is arranged in the water inlet pipe, the rotating part is connected with the outer portion of the bearing in a sleeving mode and rotates with the water inlet pipe as the axis through the bearing, the spray head frame is connected with the rotating part, and the spray head frame surrounds one end of the rotating part, so that water flowing out of the water inlet pipe enters the spray head frame; the side face nozzle is arranged on the outer side face of the spray head frame, and the side face nozzle is obliquely arranged in the spiral direction; the rotary nozzle set is arranged in the middle of the bottom of the spray head frame, and the rotary nozzle set is composed of a plurality of nozzles which are uniformly inclined clockwise or anticlockwise. By arranging the rotating nozzle group at the bottom of the rotating nozzle, impulsive force in the vertical direction can be reduced, thrust in the rotating direction can be increased, and rotation of the rotating nozzle is facilitated.

The utility model discloses a carbon dioxide aquatic plant bottle valve structure which comprises a valve body, a valve core assembly and a hand wheel, the interior of the valve body is hollow, the valve body is provided with a safety cap, a first installation groove, a first branch nozzle connector, a second branch nozzle connector and a second installation groove, and the lower end of the valve core assembly is arranged in the first installation groove and makes contact with the inner side face of the first installation groove. The upper end of the valve element assembly penetrates through the upper end face of the valve body and then is connected with the hand wheel, the first branch nozzle connector is arranged on the side face of the valve body, the second branch nozzle connector is arranged on the lower end face of the valve body, the first branch nozzle connector and the second branch nozzle connector are integrally formed with the valve body, and the second installation groove is formed in the side face of the valve body and located between the first installation groove and the second branch nozzle connector. One end of the safety cap is arranged in the second mounting groove and is in threaded connection with the second mounting groove, and a through hole is formed in the safety cap and is communicated with the interior of the safety cap. The utility model has the beneficial effects that the internal air pressure can be adjusted, and the impulsive force borne by the connecting port can be reduced, so that the potential safety hazard is reduced.

The utility model belongs to the technical field of plant irrigation equipment, and provides an irrigation device for ecological restoration plants along an expressway, which comprises an irrigation vehicle, a water tank, a vehicle platform, a water pump, a water conveying pipe and an automatic water spraying system, the automatic water spraying system comprises a pair of supporting plate groups and a rotating shaft, and one section of the rotating shaft is provided with a belt wheel transmission mechanism; a stepping motor is arranged at the power driving end of the belt wheel transmission mechanism, a pair of installation bases are arranged on the rotating shaft, a water spraying main pipe is arranged between the installation bases, one end of the water spraying main pipe is connected with a water conveying pipe, a plug is arranged at the other end of the water spraying main pipe, and a plurality of water spraying branch pipes distributed in the length direction of the water spraying main pipe are arranged on the water spraying main pipe. Sprayers are arranged at the ends of the water spraying branch pipes, and a protective cover connected with the water tank is arranged above the water spraying branch pipes. The device is reasonable in design, simple in structure, capable of automatically adjusting the water spraying direction, provided with multiple water falling points, beneficial to improving the irrigation efficiency and suitable for large-scale popularization.

The invention provides an alloy resistor grading device, an alloy resistor production process and an alloy resistor. The alloy resistor grading device comprises a cutter, a base, a pressing plate and an upper cover. An inner cavity and a plurality of first avoiding grooves communicated with the inner cavity are formed in the base, the pressing plate is located in the inner cavity, the pressing plate comprises a main body, a plurality of bearing parts and a plurality of second avoiding grooves, the first avoiding grooves are aligned with the second avoiding grooves, the bearing parts are matched to be used for bearing alloy resistance strips to be classified, and the main body is matched with the inner cavity to be used for extruding the alloy resistance strips; the upper cover covers the base, a plurality of tool setting grooves are formed in the upper cover, and the tool setting grooves communicate with the first receding grooves; the cutter is provided with a plurality of saw blades, and the saw blades penetrate through the tool setting groove to be used for cutting the alloy resistance strip. In the clamping process, a plurality of alloy resistance strips are fixed at the same time through the pressing plate, a plurality of saw blades are arranged on the cutter, a plurality of portions of the strips can be cut through one-time cutter feeding, and the pelletizing efficiency is greatly improved.

The utility model discloses an unpowered lifting conveying device which comprises a rack, a conveying mechanism, a first lifting mechanism and a second lifting mechanism, the first lifting mechanism is arranged on one side of the conveying mechanism and corresponds to a first feeding port, and the second lifting mechanism is arranged on the other side of the conveying mechanism and corresponds to a second feeding port. The second lifting mechanism is arranged on the other side of the conveying mechanism and corresponds to the first discharging port. According to the technical scheme, the treading piece is arranged in the first lifting mechanism to drive the first transmission piece to rotate upwards so that the first platform assembly can move upwards, workers do not need to bend down to pick up trays, the working intensity of the workers is greatly reduced, electric drive is not needed, energy is saved, and the working efficiency is improved. The maintenance cost of equipment can be reduced, and the production cost is effectively reduced; and the first spring balancer is arranged to assist the first platform assembly to move upwards, so that the treading force of a worker is reduced, and the operation of the worker is more labor-saving and easier.

The present invention relates to a plug, a liquid cooling plate, and a battery box. An L-shaped channel is provided in the plug. The L-shaped channel includes a horizontal channel and a vertical channel. The horizontal channel extends forward from the corner of the L-shaped channel to pass through the front end face of the plug, and an interface is provided on the front end face of the plug. The vertical channel extends downward from the corner. An opening structure is provided on the lower surface of the plug, and the opening structure has a downward lower opening. The lower end of the vertical channel is integrally connected with the opening structure to form an open hole. One side of the opening structure is connected with the liquid distribution cavity. The vertical channel is connected with the liquid distribution cavity through the opening structure. The plug includes a cover plate for sealing the lower opening of the opening structure. By providing the L-shaped channel, the coolant can enter or flow out of the liquid cooling plate in the front-to-back direction. The vertical channel at the position where the coolant changes the flow direction is directly provided in the plug, which has better strength and no welding connection, thus avoiding the problem of welding penetration and the problem that the welding connection is easily damaged.

This invention discloses an oxygen mask capable of adsorbing and detecting end-tidal carbon dioxide, relating to the field of oxygen mask technology. It includes a mask body with a detection box and an adsorption box on its inner surface. The detection box contains a detection substance used to detect carbon dioxide concentration. The adsorption box contains an adsorbent substance capable of adsorbing carbon dioxide exhaled by a patient. The mask body has multiple air outlets and several oxygen channels. The air inlets of the oxygen channels are located on the outer surface of the mask body, and the air outlets are located on the inner surface. This invention effectively detects the concentration of carbon dioxide exhaled by a patient through the detection box, while the adsorption box effectively prevents the patient from re-inhaling carbon dioxide. The device has a simple overall structure, is easy to use, and has low manufacturing costs.

The utility model is suitable for the technical field of buffering blanking, and provides a buffering device of a long blanking pipe. The device comprises a blanking pipe, a feeding port is formed in the top of the blanking pipe, a rotating shaft is arranged in the blanking pipe, the two ends of the rotating shaft are fixedly connected with one ends of two connecting shafts respectively, and the other ends of the connecting shafts are connected with the inner wall of the blanking pipe through bearings; the inner bottom of the material falling pipe is obliquely arranged, and a material outlet is formed in the material falling pipe; a motor is arranged outside the discharging pipe and fixedly placed on a supporting seat, the bottom of the supporting seat is fixed to the base, and an output shaft of the motor penetrates through the side wall of the discharging pipe to be connected with a connecting shaft. A controller is arranged on the base and electrically connected with the motor, so that the impulsive force of materials is reduced by arranging the first buffer plate and the second buffer plate; the rotating shaft and the fan blades are arranged, so that the materials are scattered, and the situation that all the materials fall into one place and impact a certain place is avoided; and the auger is arranged to control the material discharging speed.

The invention is suitable for the technical field of flower arrangement barrel cleaning, and provides an automatic flower arrangement barrel cleaning device which comprises a cleaning device body, the cleaning device body is composed of a control box, a set of water tanks, a set of cleaning boxes, a set of filtering boxes and a conveying belt, and the water tanks are connected and fixedly connected with the control box; the cleaning boxes are fixedly installed on the water tanks respectively, the filtering boxes are installed on one sides of the water tanks respectively, and the conveying belt is arranged on the top of the control box and penetrates through the cleaning boxes. The U-shaped water pipe and the annular water pipe are arranged in the cleaning boxes respectively. According to the automatic cleaning equipment for the flower arrangement barrel, the automatic control system is combined with the technologies of high-pressure water flow, a spraying system, a circulating filtering system and the like, efficient and rapid cleaning of the flower arrangement barrel is achieved, the cleaning efficiency can be effectively improved, meanwhile, the cleaning quality is guaranteed, manual intervention is reduced, and the labor intensity is reduced.

The utility model relates to the technical field of butterfly valves, in particular to a U-shaped metal sealing butterfly valve which comprises a valve body, a valve rod is arranged in the valve body, a valve plate is installed on the valve rod, a control port is installed on the valve body, a sealing portion is arranged in the valve body, the sealing portion comprises an installation edge which is fixedly installed on the inner wall of the valve body, and the installation edge is fixedly installed on the inner wall of the valve body. A mounting opening is formed in the mounting edge, a sealing edge is mounted on one side of the mounting opening, mounting blocks are inserted into the mounting opening, detachable sealing soft edges are fixedly mounted on the mounting blocks, bolts are in threaded connection with the mounting blocks, the number of the bolts and the number of the mounting blocks are four, and the four groups of the bolts and the mounting blocks are symmetrically arranged at equal intervals; the sealing block on the detachable sealing soft edge is inserted into the mounting opening and is mounted through the bolt, so that the whole detachable sealing soft edge can be detached and replaced, and the situation that the detachable sealing soft edge loses efficacy and leaks water after being used for a long time is prevented.

The utility model discloses a lead screw motion protection device which comprises a ball screw and a lead screw nut which are matched with each other, the ball screw is fixed between a first bearing seat and a second bearing seat, one end of the first bearing seat is provided with a first magnetic ring, one end of the lead screw nut is provided with a second magnetic ring, and the other end of the lead screw nut is provided with a third magnetic ring. A fourth magnetic ring is arranged at one end of the second bearing seat; the first magnetic ring and the second magnetic ring are oppositely arranged, and when approaching to a certain distance, the first magnetic ring and the second magnetic ring are respectively electrified to form magnets with the same magnetic poles; and the third magnetic ring and the fourth magnetic ring are oppositely arranged, and are respectively electrified to form magnets with the same magnetic poles when approaching to a certain distance. According to the lead screw movement protection device, mutual repulsive force can be generated between the magnetic rings on the lead screw nut and the magnetic rings on the front and rear bearing seats at the moment that the movement of the ball screw is out of control, the closer the distance is, the larger the repulsive force is, the impact force between the lead screw nut and the front and rear devices is effectively buffered, and the lead screw nut is protected.

The utility model relates to the technical field of oil injection, more to the technical field of wellhead anti -blocking device, specifically disclose a kind of wellhead anti -blocking device with guiding function for oil injection, including connecting pipe, assembling pipe structure and filter structure, the assembling pipe structure top and bottom end are connected with connecting pipe, filter structure, guiding structure and adsorption structure are respectively installed in the assembling pipe structure from top to bottom. The wellhead anti -blocking device with guiding function for oil injection, through filter structure, it is convenient to improve its service life, improve filter effect simultaneously, through guiding structure, it is convenient to guide water flow, reduce water flow and reduce the damage of water flow to adsorption structure, through adsorption structure, it is convenient to filter out ferromagnetic impurities in moisture, through assembling pipe structure, it is convenient to clean and maintain its internal structure, through protection structure, it is convenient to protect its internal structure, greatly improve overall service life.

The utility model discloses a quantitative food weighing detection device which comprises a shell, a first motor is arranged at the right end of the outer side of the shell, the output end of the first motor is connected with a belt pulley assembly, the middle of the shell is rotationally connected with a stirring rod, and an air cylinder assembly is arranged at the position, close to the bottom of the stirring rod, of the shell. The bottom, close to the stirring rod, of the shell is connected with two baffles in a sliding mode, the bottom of the shell is provided with a weighing plate used for weighing food, and the lower side of the shell is provided with a discharging piece. According to the quantitative food weighing detection device, after food materials at the upper end of a weighing plate are weighed, a second motor operates through a gear and rack assembly, the gear and rack assembly drives a push plate, a traction frame and a discharging plate to move leftwards through a telescopic plate, the push plate pushes the food materials at the upper end of the weighing plate to move leftwards, and the discharging plate is separated from a discharging groove in the left side of a shell; the food materials gradually fall into the recycling box from the weighing plate, the discharging groove and the discharging shell.

The utility model discloses a steel wire mesh conveying system, which belongs to the technical field of steel wire processing, and comprises a conveying structure and a bearing structure, the bearing structure is placed on the conveying structure, the bearing structure comprises an outer frame, a bearing piece and two clamping pieces, the bearing piece partially extends into the side wall of the outer frame, and the clamping pieces are arranged on the outer frame. The two clamping pieces are installed on the outer frame, each clamping piece is provided with a first elastic piece, the first elastic pieces abut against the side wall of the outer frame, and the lower end of the bearing piece makes contact with the two clamping pieces; when the steel wire mesh is put down to the bearing piece, the bearing piece moves downwards to extrude the two clamping pieces, under the elastic action of the first elastic piece, the two clamping pieces slowly move towards the two sides, the buffering effect is achieved, the falling impact force of the steel wire mesh is buffered, the putting impact force of the steel wire mesh is weakened, and the conveying structure is protected; the service life of the conveying structure is prolonged.

The utility model discloses an air duct structure of a drying area of a sheet baking machine, which comprises a cavity, a left hot air inlet and a right hot air inlet are formed on the left side and the right side of the cavity, and a left inclined plate and a right inclined plate which are in one-to-one correspondence are arranged right opposite to the left hot air inlet and the right hot air inlet. The left inclined plate and the right inclined plate are respectively provided with a plurality of ventilation holes, the upper end of the left inclined plate is connected with the right end of a left supporting plate, the upper end of the right inclined plate is connected with the left end of a right supporting plate, and a left flow channel is defined by the left supporting plate, the left inclined plate and the inner wall of the corresponding cavity. A right flow channel is defined by the right supporting plate, the right inclined plate and the inner wall of the corresponding cavity, the left supporting plate is arranged to enable the air speed and pressure of hot air entering from the left hot air inlet to be balanced in the left flow channel, and the right supporting plate is arranged to enable the air speed and pressure of hot air entering from the right hot air inlet to be balanced in the right flow channel. The defects that in the prior art, convection wind generates vortexes and is unstable, and turbulent flow is likely to be generated are overcome.

The utility model discloses a steel wire rope with a buffer type hook, which relates to the technical field of steel wire ropes and comprises a steel wire rope, and a spring is welded at one end of the steel wire rope. A first fixing piece is welded to the end, away from the steel wire rope, of the spring, a second fixing piece is arranged on one side of the first fixing piece, and the first fixing piece is fixedly connected with the second fixing piece through a connecting bolt. A hanging piece is arranged on the side, away from the first fixing piece, of the second fixing piece, the hanging piece is fixedly connected with the second fixing piece through the fixing bolt, when the hanging piece is used, a heavy object penetrates through the hanging piece and the round hole of the first fixing piece, and the second fixing piece and the hanging piece are fixedly connected through the fixing bolt. The first fixing piece and the second fixing piece are fixedly connected through the connecting bolt, the first fixing piece, the second fixing piece and the hanging piece can enable connection between a heavy object and the steel wire rope hook to be more stable, the situation that the heavy object is separated from a steel wire rope when the heavy object is hoisted is prevented, normal hoisting work can be guaranteed, and the personal safety of workers can also be guaranteed.

The utility model relates to the technical field of anti-sputtering oil spraying devices, in particular to an anti-fog film roll cutting machine which comprises a workbench and a supporting column, the workbench is arranged at the upper end of the supporting column, a fixing seat is arranged at the upper end of the workbench, meanwhile, a notch is formed beside the fixing seat, a frame plate is arranged at the upper end of the fixing seat, and an intercepting rod is arranged on one side of the frame plate. Meanwhile, a magnetic attraction column is arranged beside the intercepting rod, a plurality of frame rods are arranged on the frame plate, fixing position angles are arranged on the frame rods, a cutting device is arranged beside the fixing base, and a cutting tool is arranged in the cutting device. And the cutting device is arranged at the stretching position of the anti-fog film, direct pressing of the cutting device is utilized, pressing cutting is conducted by grasping the handrail, compared with previous manual pressing cutting, pressing of the anti-fog film is facilitated, manpower consumption is greatly reduced on the operation complexity degree, and more time and labor are saved when the anti-fog film is cut.

The utility model belongs to the technical field of firework setting-off equipment, concretely relates to a setting-off system, including setting-off box, the setting-off box includes the box and the box cover that buckles on the box, be provided with setting-off device in the setting-off box, the setting-off device includes the launching cylinder, and the pipe clamp that will launch the cylinder to be connected to the launching frame, the lower part of launching frame is provided with the rotation mounting hole that carries out the rotary support to the pipe clamp and its clamping launching cylinder, the upper part of launching frame sets up the arc upper chuck with the rotation hole as the center, the both sides of rotation mounting hole are provided with the arc lower chuck with the rotation hole as the center, the launching cylinder is through the connecting assembly that penetrates pipe clamp and is movably connected to the rotation hole, upper chuck, lower chuck, forms the multi-point connection, the utility model discloses simple and reasonable structure, pipe clamp can adjust angle flexibly, show inclination, fix through multi-point fixation, reduce the deviation produced when setting off, and setting-off box can reduce the harm produced by accidental combustion explosion.

The invention belongs to the field of automobile pedestrian protection hinges, and discloses an automobile front cover front end and rear end double-explosion pedestrian protection device which comprises a front end protection unit, a rear end protection unit and two telescopic exploders, and the front end protection unit comprises a front end driving hinge chain and a front end connector which are hinged to each other. The front-end driving hinge chain comprises a lock ring mounting plate and a front-end connecting pull rod which are hinged end to end, the rear-end protection unit comprises a rear-end driving hinge chain and a rear-end connector, the rear-end driving hinge chain comprises a vehicle body connecting rod and a rear-end connecting plate which are hinged end to end, and the vehicle body connecting rod is hinged to a fixed sheet metal part on a vehicle body. The two telescopic exploders are correspondingly located below the front-end connector and the rear-end connector respectively, a movable sliding groove is formed in the rear-end connector, and the rear-end driving hinge chain is matched with the rear-end connector through movable matching with the movable sliding groove. The invention further discloses an arrangement method of the double-point-explosion pedestrian protection device at the front end and the rear end of the vehicle front cover.

The utility model relates to the technical field of livestock breeding house, disclose an integral type deer breeding corral, including the breeding house, the inside of breeding house is fixedly connected with the livestock room back and forth, the livestock room is installed with the feed trough in the side of being similar to approaching, the inner wall bottom side of feed trough is rotatably connected with the discharge assembly, the inner wall left side of breeding house is installed with the water tank, the upper right side of water tank is installed with the temperature controller, the output of temperature controller is fixedly connected with the temperature regulating pipe, the left side upper portion of water tank is installed with the water pump, the input of water pump is fixedly connected with the water pumping pipe, the output of water pump is fixedly connected with the water delivery pipe, the output of water delivery pipe is fixedly connected with the main pipe, the main pipe is connected with the branch pipe through the four -way pipe, the bottom of branch pipe is installed with the atomizing nozzle that evenly distributes. In the utility model, realize the temperature control of breeding house inside to carry out the control to the inside humidity, ensure the temperature and humidity in the corral are suitable for the growth of deer.

The plastic part injection mold comprises a base body and a motor fixedly installed on the inner side of the base body, a stand column plate is fixedly installed on the upper end face of the base body, and a first sliding rod is fixedly installed on the stand column plate. According to the plastic part injection mold convenient to replace the mold core, the first mold box can be rapidly taken out through the bolt pull rod, the bolt pull rod is slidably installed on the second mold frame, the bolt pull rod and the first positioning hole form a clamping structure, and the bolt pull rod is pulled to be separated from the first positioning hole; when the first mold box needs to be placed, the bolt pull rod is pulled and the first mold box is moved into the second mold frame, and when the first mold box is moved to a fixed position, the bolt pull rod is released, so that the first mold box is taken out; and the bolt pull rod automatically resets under the action of the reset spring and is clamped with the first positioning hole, so that the function of quickly assembling and disassembling the first mold box is realized.

The utility model discloses a dynamic gas distribution instrument which comprises a gas distribution instrument protective shell, when the dynamic gas distribution instrument is used, firstly, a gas distribution instrument protective shell handle is rotated upwards, and the gas distribution instrument protective shell handle can rotate upwards under the action of a gas distribution instrument protective shell handle rotating shaft; when the gas distribution instrument protection shell handle rotates to the position over the gas distribution instrument protection shell cover plate, the device stops rotating, then the device is moved to a proper place through the gas distribution instrument protection shell handle, then the gas distribution instrument protection shell is placed on a working table top, at the moment, the gas distribution instrument protection shell extrudes the connecting piece downwards, and then the gas distribution instrument protection shell is placed on the working table top. When the gas distribution instrument is placed, the connecting piece extrudes the damping spring downwards, so that the impulsive force borne by the gas distribution instrument main body in the placing process can be relieved, the gas distribution instrument main body can be well protected, then the gas distribution instrument protection shell handle is reset, then the center button is pressed, the center button extrudes the lower buckle rotating shaft backwards, and then the gas distribution instrument protection shell handle is fixed. The lower buckle rotating shaft will extrude the extrusion cross rod towards the rear side, and the extrusion cross rod will extrude the extrusion vertical rod towards the rear side.

The utility model relates to the field of mine person device, specifically is a kind of inclined shaft overhead person device;Including: main rod, seat, handle, footboard and connecting rod;Main rod top end is fixedly connected with connecting rod, main rod and connecting rod are perpendicular to each other, steel cable passes through connecting rod, main rod lower end is fixedly connected with seat and footboard, seat upper end surface is horizontal, main rod middle part is slidably connected handle;Main rod inside is slidably installed telescopic locking mechanism, lower sliding rod, upper sliding rod and lower lock block;Lower sliding rod upper convex part passes through square through hole and is fixedly connected with handle, lower sliding rod is fixedly connected with push rod, upper sliding rod is rotatably connected with sliding claw cover, lower lock block is fixedly connected with upper sliding rod, the middle segment inside of connecting rod is fixedly connected with upper lock block;The utility model is by setting telescopic locking mechanism, to this end realizes the purpose of improving the safety of inclined shaft overhead person device.

This utility model relates to the field of egg collection technology and discloses an egg collection device for breeding chickens. It includes an installation chamber with a conveyor belt rotatably mounted inside. A deceleration component is installed on the top of the installation chamber near the chicken cage, and an anti-detachment component is installed on the top of the installation chamber away from the deceleration component. This egg collection device for breeding chickens effectively reduces the rolling speed of eggs by applying negative pressure suction when they fall onto the collection device, significantly reducing the momentum when the eggs impact the conveyor belt. Combined with a specially designed elastic soft pad as a contact surface, it can fully absorb and disperse the remaining impact energy. This deceleration and soft landing solves the industry pain point of egg breakage due to high-speed impact in traditional inclined roll-down collection devices, achieving lossless egg collection and bringing significant economic benefits.

The utility model discloses a side milling head for a vertical machining center, which comprises a main frame for mounting the side milling head, an output main shaft fixedly arranged at the bottom end of the main frame, and a fixed head fixedly arranged at the top end of the main frame, a tool bit mounting block is fixedly arranged at one end of the output main shaft, and a milling cutter is arranged at one end of the tool bit mounting block. And one side of the milling cutter is sleeved with a ring sleeve, an elastic cushion is fixedly arranged on one side of the ring sleeve, and a connecting block is arranged on the outer surface of the ring sleeve in a surrounding mode. According to the side milling head for the vertical machining center, by arranging a ring sleeve, an elastic cushion, a connecting rod, a damping rubber ring and an energy absorption spring, when the side milling head is used, elastic connection design is adopted, impact force borne by a milling cutter when the milling cutter makes contact with a workpiece can be buffered and absorbed, and the impact force borne by the milling cutter is reduced; and the situation that the milling cutter is damaged due to too large impact force can be greatly avoided, convenience is brought to a user, and the practicability of the device is improved.

The anti-deformation sound insulation wooden door comprises a door plate body, a damping groove is formed in the door plate body, a buffer rod is slidably installed on the surface of a protective shell, one end of the buffer rod slidably penetrates through the protective shell to be fixedly connected with a buffer ball, the other end of the buffer rod is fixedly connected with an extrusion plate, and a rubber air bag is fixedly connected to the inner wall of one side of an air bag box. A telescopic spring is fixedly installed in the rubber air bag, an air inlet pipe is fixedly connected to one side of the rubber air bag, a dehumidification box is slidably installed in the replacement box, exhaust pipes are fixedly connected to the surfaces of the two sides of the rubber air bag, and a dehumidification channel is formed in the door plate body. The door plate has the advantages that through the rubber air bags installed in the damping grooves, when the door plate body is collided during door opening, the extrusion plate can be driven through the buffer balls and the buffer rods to extrude the rubber air bags, force borne by the rubber air bags during door opening collision is rapidly buffered, and the door plate body is effectively prevented from deforming when collided.

The utility model relates to a water outlet mute mechanism of a water inlet valve, a valve body of the water inlet valve is provided with a water outlet, a circumferential flow dividing piece communicated with the water outlet is arranged below the water outlet, and a spiral flow guiding piece is arranged below the circumferential flow dividing piece; the circumferential flow dividing piece is provided with a water retaining disc connected with a plurality of flow dividing ribs, water flow flowing down from the water outlet is divided by the flow dividing ribs, then is blocked by the water retaining disc and falls down around the inner wall of the water outlet pipe, and the falling water flow is spirally guided into rotating water flow through spiral blades of the spiral flow guiding piece and flows out downwards. The device has the advantages that water flow generates rotation to buffer water outlet impulsive force, and the noise reduction effect and the mute effect are achieved.

The invention discloses a portable detection device for air quality detection, and relates to the technical field of portable detection devices. The portable detection device for air quality detection comprises a portable air detector, the front surface of the portable air detector is fixedly connected with a ventilation detection port, and the front surface of the portable air detector is fixedly connected with a display screen. According to the portable detection device for air quality detection, the rotating shell is unfolded through extension of the telescopic rod, the rotating shell and the transparent plate are subjected to large wind resistance during falling, the portable air detector is deflected as a whole, and the bottom of the portable air detector is deflected towards the back and falls towards the ground; when the portable air detector falls to the ground, a second rubber roller is firstly in contact with the ground, and a second compression spring is compressed by impact force, so that the portable air detector is buffered and protected, and the influence on detection caused by damage of equipment is avoided.