87results about How to "Few accessories" patented technology

The utility model belongs to the technical field of well drilling and workover fishing equipment, and discloses a slip fishing socket. The slip fishing barrel comprises an outer barrel body and a fishing slip located in the outer barrel body, relative displacement is formed between outer spiral sawteeth of the fishing slip and corresponding teeth in the outer barrel body, a first top cutting face is formed at the tail of the outer spiral sawteeth of the fishing slip, and a second top cutting face is formed at the tail of the first top cutting face. And a second top cutting surface is formed at the root part of a tooth corresponding to the outer spiral sawteeth in the outer cylinder body. According to the slip fishing socket, fishes of different specifications and some severely-deformed fishes can be fished, meanwhile, the inventory of blue tiles and spiral tiles is reduced, the number of times of tripping is reduced, and therefore the working efficiency is improved.

The glasses leg hinge module comprises a moving cylinder, the cylinder bottom of the moving cylinder is provided with a plurality of limiting grooves for fixing glasses legs at 90 degrees and 180 degrees respectively, and the groove walls on the two sides of each limiting groove are guide slopes; the fixing piece comprises a supporting shaft penetrating through the cylinder bottom, a matching piece arranged on the supporting shaft in a sleeving mode and located in the moving cylinder and an elastic piece, the supporting shaft is provided with a second connecting part used for being connected with the mirror frame, the supporting shaft and the matching piece are configured to be incapable of rotating relative to each other, and the matching piece is provided with a first protrusion abutting against the interior of the limiting groove; the moving barrels are used for enabling the first bulges to move to the guide inclined surfaces under the action of external force, so that the glasses legs are turned outwards, and the elastic parts are compressed to limit the displacement of the matching parts; and the limiting piece comprises a convex bone position and a limiting groove, and the convex bone position is used for abutting against the tail end of the limiting groove under the cooperation of external force so as to limit the eversion angle of the glasses leg. The invention has the effects of reducing core components for realizing the rotation of the glasses legs, reducing the overall weight and reducing the volume.

The high-performance magnesium alloy building template comprises a magnesium alloy plate, an even number of preformed holes are formed in the outer surface of the magnesium alloy plate, a template frame of an integrated structure is fixed to the surface of the magnesium alloy plate, side edge grooves are formed in the upper outer wall, the left outer wall and the right outer wall of the template frame, and a plurality of bolt penetrating holes are formed in the side edge grooves. After the magnesium alloy plate is erected, under the assistance of the alignment groove blocks and the butt joint blocks in the side edge grooves in the two sides of the formwork frame, splicing of the formwork frame is completed to form a wall shape, then the fasteners can be directly moved, and the auxiliary sliding rods are matched with the sliding pieces to complete vertical displacement of the first clamping beam and the second clamping beam; according to the building template supporting frame, rapid connection with a clamping beam on a template frame is completed, then alignment penetrating holes are aligned with lock bolt holes and bolt penetrating holes to complete penetration of lock bolts, direct tightening of the clamping beam is completed, stability and fixity are further provided, meanwhile, compared with a traditional building template rear installation template supporting frame, construction steps and time efficiency can be reduced, accessories during carrying are reduced, and cost is reduced. And the operation efficiency is effectively improved.

The utility model provides a novel ink jet cartridge, including: ink bottle cap, bottleneck cap, chip seat and ink bottle, the ink bottle is used for holding ink, the sealing plug is used for sealing the bottleneck of ink bottle, bottleneck cap is sleeved outside the sealing plug, the ink bottle cap is used for fixedly buckling the upper end of the ink bottle, the chip seat is used for holding the ink bottle, the chip seat is used for holding the ink bottle, and the chip seat is used for holding the ink bottle. The bottle opening portion of the ink bottle cap is arranged on the bottle opening cap in a sleeved mode, and the chip base is detachably installed on the ink bottle cap. The utility model has the advantages of few material accessories, low product cost and high cost performance; the product structure is simple and reasonable, and batch and automatic production is facilitated; the installation of the chip seat serves as the final installation process, the chip seat is designed to be of a structure capable of being installed and taken out, when the chip is abnormal or needs to be upgraded, the chip seat can be taken out to replace or upgrade the chip, the ink box and the chip can be reused, energy is saved, environment is protected, and operation is convenient.

A tea water filtering structure comprises an outer filtering cup, an inner filtering cup arranged in an inner cavity of the outer filtering cup and a valve assembly arranged on the outer filtering cup, a plurality of beverage outlets are formed in the bottom face of the outer filtering cup, one end of the valve assembly abuts against the bottom face of the outer filtering cup and seals the beverage outlets, and the other end of the valve assembly abuts against the bottom face of the inner filtering cup. A certain distance is formed between the inner filtering cup and the outer filtering cup in the height direction of the tea water filtering structure, and the inner filtering cup moves downwards relative to the outer filtering cup so that the valve assembly can open the beverage outlet. The utility model provides a tea water filtering structure of a water cup, which is simple in structure, simple in tea water separation operation and good in use experience of people. The utility model further discloses a floating cup with the structure.

The utility model discloses a magnetic drive pump under the condition of containing granular media, which is characterized in that an impeller is arranged at the front end of a pump shaft, an inner magneton is arranged at the rear end of the pump shaft, a first thrust plate, a first radial bearing, a second radial bearing and a second thrust plate are sequentially sleeved on the pump shaft between the impeller and the inner magneton from front to back, a bearing bush is fixedly sleeved on the pump shaft, and the first radial bearing, the second radial bearing and the second thrust plate are fixedly sleeved on the bearing bush. The first radial bearing and the second radial bearing are sleeved outside the bearing bush, a front boss is arranged at a front opening of the impeller, a rear boss is arranged at a rear opening of the impeller, a front outer opening ring and a front inner opening ring are fixedly sleeved on the front boss, the front outer opening ring is sleeved outside the front inner opening ring in a clearance mode, and the front outer opening ring and the rear outer opening ring are fixed on the pump body. The front inner opening ring is fixedly sleeved on the front boss of the impeller, the rear outer opening ring and the rear inner opening ring are fixedly sleeved on the rear boss, the rear outer opening ring is sleeved outside the rear inner opening ring in a clearance mode, and the rear inner opening ring is fixedly sleeved on the rear boss of the impeller.

The utility model discloses a table type water purifying and drinking machine which comprises a machine body and a raw water tank installed on the machine body, the raw water tank is provided with a connecting plug with a raw water outlet, the machine body is internally provided with a water path switching assembly used for bearing and inserting the connecting plug, and the water path switching assembly comprises a bayonet socket, a one-way valve, a cover cap and a sealing body. The bayonet socket is provided with a water passing cavity and a communication port which is communicated with the water passing cavity and is used for being communicated with a water pump, the cover cap covers and limits the one-way valve in the water passing cavity, the connecting plug is inserted into the cover cap, the cover cap is provided with a water passing port which is used for being communicated with the raw water outlet and the one-way valve, and the water passing port is communicated with the water passing cavity. The sealing body forms a seal between the connecting plug and the cap. The waterway switching assembly of the table type water purifying and drinking machine is few in overall accessories, simple in structure and convenient to install, and has good sealing performance after being inserted and matched with the inserting head of the raw water tank, and the risk of water leakage is greatly reduced.

The utility model provides an electronic atomizer which comprises a shell, an atomizing unit, an electric power storage unit and a charging connector assembly, a containing groove is formed by sinking from the outer surface of the shell, the atomizing unit is contained in a containing cavity, the electric power storage unit is contained in the containing cavity and electrically connected with the atomizing unit, a charging interface is formed in one end of the charging connector assembly, and the charging connector assembly is electrically connected with the atomizing unit. The other end of the charging connector assembly is electrically connected with the power storage unit, and the charging connector assembly is rotationally connected with the shell so that the end, provided with the charging interface, of the charging connector assembly can be contained in the containing groove or extend out of the shell from the containing groove. The electronic atomizer is provided with the charging connector assembly, a charging wire does not need to be additionally carried, accessories needing to be carried by the electronic atomizer are reduced, and use and carrying convenience of a user can be improved. The charging connector assembly is rotationally connected with the shell, operation is convenient, when the charging connector assembly is not used, the charging interface of the charging connector assembly is contained in the containing groove, and use of a user is not affected.

The utility model discloses a high-flow peristaltic pump, which belongs to the technical field of peristaltic pumps and comprises a driving motor, a shell, a hose and an extrusion mechanism, the extrusion mechanism is positioned in the shell, an output shaft of the driving motor penetrates through the shell and is connected with the extrusion mechanism, the hose is bent and embedded between the extrusion mechanism and the inner wall of the shell, and two ends of the hose penetrate out of the upper side of the shell; the extrusion mechanism comprises a gear shaft, a gear carrier and a plurality of driven gears, the gear shaft is installed in the center of the gear carrier, the driven gears are evenly distributed on the gear carrier along the axis of the gear shaft and meshed with the gear shaft, and the driven gears make contact with the hose. The driving motor directly drives the driven gears to extrude the hose, large-flow pumping is achieved, a traditional gear box is omitted, the structure is simple, cost is reduced, in addition, the semicircular clamping grooves slightly smaller than the outer diameter of the hose are used for clamping the hose, traditional clamping pieces are omitted, and the service life of the hose is prolonged. And when the hose is replaced, the length of the hose is not required, so that the hose is more convenient to replace.

The utility model relates to the technical field of water purification equipment, in particular to a filter head, a filter head assembly and water purification equipment. The filter head comprises a first pipeline, a second pipeline and a connecting seat communicated with the filter element, and the first pipeline and the second pipeline are respectively communicated with the connecting seat; a first connector and a second connector are formed in the two opposite ends of the first pipeline and the second pipeline correspondingly, and a connector positioning groove is formed in the outer surface of the first connector. An interface inner cavity capable of accommodating the first interface is formed in the second interface, and an interface groove structure extending from the outer surface to the inner cavity is formed in the second interface; the first connector of the first pipeline and the second connector of the second pipeline face the same direction, and the second connector of the first pipeline and the first connector of the second pipeline face the same direction. Through the reasonable arrangement of the filter heads, the filter heads can be connected in series and in parallel for use of the multi-stage filter water purification equipment, and the filter heads are provided with standardized interfaces and are simple in structure, small in occupied space and high in universality.

The utility model provides a sliding type turnover folding table. The sliding type turnover folding table comprises a supporting frame; the turnover table board comprises an upper table board and a lower table board, one end of the upper table board is hinged to one end of the lower table board, and the lower table board is arranged on the supporting frame in a sliding mode; when the upper table plate rotates to an unfolding position horizontal to the lower table plate along the hinged end of the upper table plate and the lower table plate, the hinged end of the lower table plate and the upper table plate slides to the middle of the supporting frame, a part of the upper table plate in the unfolding position is in lap joint with the supporting frame, and the sliding type turnover folding table is in an unfolding state; when the upper table plate rotates along the hinged end of the upper table plate and the lower table plate to a storage position completely covering the lower table plate, the lower table plate is completely supported by the supporting frame, and the sliding type turnover folding table is in a storage state; the folding table solves the problems that a folding table in the prior art adopts left-right pulling to achieve unfolding of a table top, the mechanism is bloated, deformation operation is inconvenient, the price is high, multiple accessories exist, and the production process is complex.

The utility model discloses a special fire preventing and extinguishing device for a battery pack of an energy storage cabinet, which comprises a medicament bottle valve group which comprises a medicament bottle body and a valve body assembly arranged at a bottle opening of the medicament bottle body; the valve body assembly comprises a bottle head valve and an electromagnetic pilot valve which are arranged at a bottle opening of the medicament bottle body; a plurality of spray heads are arranged on the medicament release pipeline; the bottle head valve comprises a valve body, a medicament outlet formed in the valve body, an output micropore, a piston, a reset spring arranged in the valve body and a valve body upper cavity formed between the reset spring and the inner wall of the valve body. The electromagnetic pilot valve comprises an electromagnetic coil, a pilot valve insertion core inserted in the electromagnetic coil, a Horsman plug and an electromagnetic pilot valve body. According to the special fire preventing and extinguishing device for the battery pack of the energy storage cabinet, a detection part does not need to be additionally arranged, and when high-temperature abnormity is detected by utilizing a BMS management system temperature detection function of the storage battery, a fire extinguishing agent in the fire preventing and extinguishing device is sprayed into the energy storage cabinet, so that automatic fire extinguishing is realized.

The present invention discloses an intelligent sanitary ware with a physical examination function, characterized in that it includes a toilet sanitary ware body, a urine isolation and collection device, a cleaning device, a system electric control board and a urine detection device, wherein the toilet sanitary ware body is equipped with a urine isolation and collection device, the urine isolation and collection device is respectively connected to the urine detection device and the cleaning device, and the system electric control board controls the operation of the urine isolation and collection device, the cleaning device and the urine detection device. The present invention provides a device that can be used in a waterless ecological toilet or a household sanitary ware, can more conveniently detect one's own health condition, and can meet the standards for medical urine detection. The present invention can be used for urine detection in a waterless ecological toilet, creating an unprecedented toilet health revolution.

The embodiment of the invention discloses an elbow inserting and pulling mechanism, and relates to the technical field of medical instruments, the elbow inserting and pulling mechanism comprises a breathing mask main body and an elbow joint, the breathing mask main body is provided with a pipeline interface, and the elbow joint comprises an air inlet end and an airway mixing end which is inserted into the pipeline interface; at least two elastically-deformable supports are arranged between the outer side face of the air inlet end and the outer side face of the air channel mixing end, the tail ends of the two elastically-deformable supports are connected with a deformable cylindrical elastic deformation shoulder, the cylindrical elastic deformation shoulder is internally provided with at least two buckling positions, a buckling shoulder is arranged on the periphery of the pipeline connector, and the buckling positions are connected with the buckling shoulder. After the air channel mixing end is inserted into the pipeline connector, the buckling shoulder and the buckling position are buckled mutually, visualization is achieved, operation is easy and convenient, the number of overall mechanism accessories is small, and the mechanism is simple, so that the manufacturing cost is extremely low, and the mask is very suitable for the attribute that a mask is frequently replaced or discarded or used in a disposable mode as a consumable.

The invention provides a low-noise food processor which comprises a cup body, at least the lower end of the cup body is made of metal, a permanent magnet brushless motor upper end cover is integrally formed on the cup body, the low-noise food processor further comprises a permanent magnet brushless motor lower end cover which is separated from the cup body, the upper end cover and the lower end cover are locked and fixed, and the cup body is provided with a heating piece. An installation cavity is formed between the upper end cover and the lower end cover, a permanent magnet rotor assembly and a stator winding assembly are arranged in the installation cavity, a smashing cutter directly driven by a permanent magnet rotor to rotate is arranged in the cup body, and a first installation part used for installing a bearing on the permanent magnet rotor is arranged at the bottom of the cup body. The lower end cover is provided with a second installation part used for installing a lower bearing of the permanent magnet rotor, and the permanent magnet rotor shaft penetrates through the first installation part and the second installation part, so that the permanent magnet brushless motor and the cup body form a non-detachable whole. Therefore, the operation core of the food processor, namely the crushing power system assembly formed by the permanent magnet brushless motor and the cup body, is more stable and reliable.

The embodiment of the invention discloses a mask elbow plugging mechanism, and relates to the technical field of medical instruments, the mask elbow plugging mechanism comprises a breathing mask main body and an elbow joint, the breathing mask main body is provided with a pipeline interface, the elbow joint is provided with at least two deformable deformation buckles, the outer side of each deformation buckle is provided with a convex position, and the convex position is provided with a through hole. The protruding position comprises a small leading-in end face and a first buckling face, the elbow joint comprises an air inlet end and an air channel mixing end, a buckling shoulder is arranged on the periphery of the air pipeline connector, the buckling shoulder is provided with a second buckling face and a large leading-in opening face, the first buckling face can be buckled with the second buckling face, and the large leading-in opening face can be buckled with the large leading-in opening face. Insertion and extraction of the elbow joint can be achieved through pressing force, visibility and intuition are achieved, operation is easy and convenient, the number of overall mechanism accessories is small, and the mechanism is simple, so that the manufacturing cost is extremely low, and the device is very suitable for the attribute that a mask is frequently replaced or disposable as a consumable.

The utility model relates to the technical field of compressors, in particular to a waterproof structure for a compressor and the compressor comprising the waterproof structure. The waterproof structure comprises a wire harness connector and a connector body which are axially through, the inner diameter of one end of the wire harness connector is matched with the outer diameter of a cable wire harness, the other end of the wire harness connector is in sealing connection with one end of the connector body, and the other end of the connector body is in sealing connection with a sealing binding post on an upper shell cover of the compressor. And the cable harness sequentially penetrates through the harness joint and the joint main body and is electrically connected with the sealing binding post. The two ends of the connector body are in sealed connection with the wiring harness connector and the sealing binding post respectively to achieve the waterproof purpose, the connector body which is internally through is directly in sealed connection with the sealing binding post, and a junction box cover and a screw and nut structure which enables the junction box cover to be in tight press fit with an upper shell cover of the compressor are omitted. The occupation of a large plane of the upper shell cover of the compressor is obviously reduced, and the waterproof structure is simplified.

The present application belongs to the technical field of water pump, and relates to a pump capable of increasing flow and pressure, comprising a pump body, a water inlet and a water outlet arranged on the pump body, an impeller and a water outlet cover arranged in the pump body and used for guiding pressurized fluid to the pump cavity, the water inlet and the inlet of the impeller being communicated through a flow channel body, the flow channel body comprising a throat pipe and a nozzle, the water outlet and the nozzle being respectively communicated with the pump cavity, the outer side of the nozzle being provided with a conversion turbine driven by a power device in two directions, the water pump being in a flow-increasing mode and a pressure-increasing mode respectively when the conversion turbine rotates in different directions, the conversion turbine driving fluid to flow in the opposite direction of the nozzle in the flow-increasing mode, and the conversion turbine driving fluid to flow in the direction of the nozzle in the pressure-increasing mode. The pump capable of increasing flow and pressure can select a high-flow mode or a high-lift mode according to actual requirements.

The utility model discloses a push-pull type writing pen, which comprises a first pen barrel, a first guide groove is formed on the first pen barrel, a first pen core is arranged in the first pen barrel, a second pen barrel, a first connecting structure, one end of the first connecting structure is connected with the second pen barrel, and the other end of the first connecting structure is connected with the first pen core through the first guide groove, wherein, along the first guide groove, in the process of relative reciprocating motion of the first pen barrel and the second pen barrel, the second pen barrel drives the pen head of the first pen core to extend into or out of the first pen barrel through the first connecting structure. Under the guidance of the first guide groove, the first pen barrel or the second pen barrel is pushed and pulled, so that the first pen barrel and the second pen barrel are subjected to relative reciprocating motion, the pen head of the first pen core is retracted into the first pen barrel through the first connecting structure, the pen head of the first pen core is extended out of the first pen barrel through the first connecting structure, and the user can write. The writing pen has simple structure, and the operation of extending and retracting the pen head is simple and convenient.

The invention discloses a normal-pressure alkaline leaching method for molybdenum calcine, and belongs to the technical field of non-ferrous metal metallurgy. According to the scheme, sodium hydroxide is adopted as an alkaline leaching agent, the dosage of the alkaline leaching agent is 1.1 times of the theoretical amount of formed molybdate, the alkaline leaching agent is added to carry out alkaline leaching on molybdate under the normal pressure, solid-liquid separation is carried out after the first-time alkaline leaching is completed, and the molybdenum calcine is obtained; the method comprises the following steps: extracting molybdenum from a raw material, performing secondary alkaline leaching on a slag phase, performing oxygen blasting to oxidize low-valence molybdenum insoluble in alkali into high-valence molybdenum easy to leach, and recycling leaching water used in the secondary alkaline leaching, so that the smelting process is greatly shortened, the processing cost is reduced, and the leaching extraction rate of molybdenum in the raw material reaches 98% or above through two times of alkaline leaching; meanwhile, compared with a traditional process, no liquid or solid oxidizing agent is added, it is guaranteed that no new impurity element is introduced, equipment used in the scheme is simple, cost is reduced, and the recovery rate of molybdenum is increased.

The utility model discloses a building template structure which comprises a flat plate, the flat plate is a plate with a U-shaped section, the flat plate is connected with an external corner plate or an internal corner plate through a fixing piece, the fixing piece comprises a U-shaped piece and an L-shaped piece which are integrally formed, and the bottom end of an opening of the U-shaped piece is connected with the end of the L-shaped piece. The mold is light and convenient to assemble and easy and convenient to operate, meanwhile, accessories such as fasteners and nuts are saved, the safety problem caused by on-site plate nailing is avoided, construction noise is low, waste materials cannot be generated, the materials can be recycled and recycled, the construction progress is accelerated, and the requirements of wall columns of different models and specifications are met.

The utility model particularly relates to a grinder with a transparent integrated grinding cover structure, which comprises an upper grinding cover and a lower grinding cover, the upper grinding cover and the lower grinding cover are fixedly mounted in a matched manner through a positioning buckle, the upper grinding cover rotates on the lower grinding cover, a grinding core is arranged in the upper grinding cover, and the upper grinding cover and the lower grinding cover are fixedly connected through the positioning buckle. A thickness adjusting screw and a thickness adjusting nut are arranged in the middle of the grinding core, and the thickness adjusting screw is in threaded connection with the thickness adjusting nut and used for adjusting a gap between the thickness adjusting nut and the grinding core. The utility model has the advantages of simple structure, few accessories and lighter whole set of product. The product is lower in cost, basically has no selectivity on grinding contents and is wider in application, the grinding process is visualized by arranging the transparent grinding lower cover, a user can visually observe the material grinding state, and the interestingness and practicability of the product are improved.

The utility model relates to earphone technical field especially is earphone supporting arm mounting structure and head -wearing earphone, earphone supporting arm mounting structure, including ear shell, the inside of this ear shell is provided with first mounting base, first connecting seat can swing setting in first mounting base, first elastic part sets up in ear shell, the middle part of first elastic part is worn in first connecting seat, and first connecting seat is limited in first mounting base, and the arm is inserted into first connecting seat, and is locked together with first connecting seat. When arm assembly, first connecting seat swing setting in first mounting base, the middle part of first elastic part is limited in first mounting base with first connecting seat, and the arm is inserted into first connecting seat, and the mounting structure is simple, and the fittings are few, and the manufacturing cost is low, and the assembling efficiency is higher. The innovative design of this kind of arm, first connecting seat, first elastic part, ear shell structure makes the space required by arm structure greatly reduce, can satisfy more modelling, and can idle more space to stack design.

The utility model discloses a device for assisting in ankle training, which comprises two pedal plates and two auxiliary frames, two sides of the two pedal plates are provided with turnups vertically extending upwards, and a sole bandage for binding soles on the pedal plates is arranged between the two turnups of each pedal plate. One turned-over edge of each pedal is provided with a connecting block, the two auxiliary frames are rotationally arranged on the connecting blocks through connecting shafts respectively, the two connecting blocks are each provided with a guiding arc-shaped strip hole, and the two auxiliary frames are provided with guiding columns which extend into the guiding arc-shaped strip holes and can slide along the guiding arc-shaped strip holes. Limiting caps for preventing the guide columns from slipping are arranged on the guide columns, and leg bandages are arranged on the two auxiliary frames. Compared with the prior art, the utility model has the advantages that only three steps are needed for installation, the installation is simple, the installation time and cost are greatly saved, the installation efficiency is improved, and compared with the prior art, the number of accessories is small, and the risk that parts are lost is greatly reduced.

The utility model relates to the technical field of physiotherapy products, and discloses a thermotherapy patch with a temperature adjusting function, which comprises a heating bag, a plastic film covered on the upper surface of the heating bag, and release paper covered on the lower surface of the heating bag. A vent valve penetrates through the plastic film and comprises an upper cover and a lower cover, vent holes are formed in the upper cover and the lower cover, and the upper cover is movably connected with the lower cover and used for adjusting the sectional area of an air circulation opening of the heating bag. According to the thermal therapy patch, the temperature adjusting mode of an existing thermal therapy patch is improved, the product structure is simple, the thermal therapy patch is flatly fixed to the human body or the surface of human body clothes in the using process, the sectional area of an air circulation opening of the heating bag is changed by adjusting the ventilation valve, the good temperature control effect is achieved, and the use experience of a user is improved.

The present invention discloses a high-intensity focused ultrasonic transducer, including a transducer bracket and a focusing piezoelectric sheet, wherein the transducer bracket is an integrally formed structure, wherein the focusing piezoelectric sheet is installed in the transducer bracket by gluing, and a positioning column is provided inside the transducer bracket, wherein the positioning column includes an outer positioning protrusion and an inner positioning protrusion, wherein an inner ring glue groove is formed between the outer positioning protrusion and the inner positioning protrusion, wherein the top of the outer positioning protrusion forms a positioning surface, and a gap is left between the outer surface of the inner positioning protrusion and the inner side surface of the inner ring of the focusing piezoelectric sheet to form an inner ring glue injection port. The present invention only requires a bracket to complete the positioning and support of the piezoelectric sheet, and the operation is simple and easy to ensure accuracy; the negative electrode lead is then led out from the front through the wiring groove to improve the reliability of the lead; the sealing is performed by glue sealing, and the soft elasticity of the glue is utilized to ensure the stability of the sound output, and the internal stress of the piezoelectric ceramic is reduced to prevent the piezoelectric ceramic from being brittlely fractured.

The present invention relates to a scooter and its rear shock absorbing mechanism. The rear shock absorbing mechanism includes a vehicle body, a rear wheel and left and right leaf springs, one end of the left and right leaf springs is respectively provided with a first axial connection part, the other end of the left and right leaf springs is respectively provided with a second axial connection part, the first axial connection parts of the left and right leaf springs are respectively axially connected to the vehicle body, the second axial connection parts of the left and right leaf springs are respectively axially connected to the left and right sides of the rear wheel, and the left and right leaf springs are both arc-shaped leaf springs that arch upward from both ends to the middle; the scooter includes the aforementioned rear shock absorbing mechanism as well as a handlebar, a front wheel and a rear fender, etc. The present invention has the advantages of being simple and beautiful, light, having a good shock absorbing effect, conveniently adjustable shock absorbing amplitude, high reliability, low cost, and good passability.