8results about How to "Few accessories" patented technology

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 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.

A punching-free lap joint walking channel for a photovoltaic panel cleaning robot belongs to the technical field of photovoltaic equipment and comprises outer side connecting pieces and U-shaped steel, the outer side connecting pieces are arranged on the left side and the right side of the opposite side faces of adjacent photovoltaic panels and inserted into the side edges of the adjacent photovoltaic panels, and the U-shaped steel is arranged on the left side and the right side of the adjacent photovoltaic panels and inserted into the side edges of the adjacent photovoltaic panels. And the U-shaped connecting pieces are respectively connected to the two photovoltaic panels on the same side, and the U-shaped openings are oppositely arranged and are fixedly connected with the connecting pieces on the outer sides. The photovoltaic panel connecting structure is connected to the adjacent photovoltaic panels through a lap joint method, stable connection is achieved while punching of the photovoltaic panels is avoided, and the photovoltaic panel connecting structure is simple in structure, few in accessories, convenient to mount and dismount, capable of adapting to different photovoltaic panel intervals and remarkable in effect.

The utility model discloses a novel marker lamp which is characterized in that the novel marker lamp comprises a marker plate which is made of a light guide material and is provided with a display surface and an indication sign arranged on the display surface, and the display surface and the indication sign are displayed outwards; the plate placing part is connected to the mark plate and protrudes out of the surface of the mark plate; the light source plate is arranged in the plate placing part, an LED light source is arranged on the light source plate, and the LED light source is optically connected to the sign plate; the sign board further comprises a fixing part, and the fixing part is arranged in the board placing part and does not show the sign board to the outside. Compared with the prior art, the sign board is directly displayed outwards without arranging a shell for protection, product accessories are reduced, the product assembling speed is increased, and the product cost is greatly saved; the plate placing part is arranged to store the light source plate, and the light source plate is fixed by the plate placing part, so that the product assembling speed can be greatly increased, the light source plate does not shift after being assembled, and the lighting effect of the lamp is more stable.

The utility model discloses a lifting structure and a basketball stand with the same. The lifting structure comprises a triangular block and a lifting rod, the triangular block comprises two triangular plates which are oppositely arranged in parallel, the bottom ends of the triangular plates are connected into a whole through a mounting plate, and the triangular block is fixed on a vertical rod of the basketball stand through the mounting plate; a pull pin is arranged at the top end of the triangular plate, limiting wheels are arranged on the two sides of the pull pin respectively, and the lifting rod is installed between the limiting wheels. According to the basketball stand with the structure, the bottom end of the lifting rod is slidably connected with the triangular block, and the top end is rotatably connected with the bottom end of the long supporting rod. The pull pin is pulled open firstly, the pin clamped into the lifting rod hole leaves, the lifting rod can move up and down, then the long supporting rod connected with the lifting rod is driven, the long supporting rod is connected with the backboard and the main rod to form a lever, the short supporting rod is connected with the backboard and the top of the vertical rod, the short supporting rod and the long supporting rod form a parallelogram, and the lifting rod is pulled to drive the backboard to move up and down. The lifting purpose is achieved.