38results about How to "Reduce assembly difficulties" patented technology

The invention discloses a parallel-axis cone crusher. The parallel-axis cone crusher comprises a rack, a main shaft, an eccentric sleeve, a movable cone and a fixed cone, wherein the excircle and the inner hole of the eccentric sleeve are in parallel eccentric structures; the inner hole of the eccentric sleeve and the excircle of the main shaft form a cylindrical friction pair; the lower end of the cylindrical friction pair and the rack form a planar friction pair; the inner hole of the movable cone and the excircle of the eccentric sleeve form the cylindrical friction pair; a planar bearing is arranged at the top end inside the movable cone; the planar bearing and the upper plane of the main shaft form the planar friction pair. The parallel-axis cone crusher disclosed by the invention has the advantages that the excircle and the inner hole of the eccentric sleeve are designed into parallel eccentric structures, and the movable cone and the top of the main shaft are connected by the planar bearing, so that a parallel relationship between a movement axis of the movable cone and the axis of the rack is ensured, and difficulty of machining internal and external angles of the eccentric parts and assembling the components is reduced; and meanwhile, a problem that the conventional cone crusher cannot normally work due to inclined angle changes caused by abrasion with a shaft sleeve in a using process is also avoided.

The invention provides a top cover assembly of a secondary battery and the secondary battery. The top cover assembly of the secondary battery comprises a top cover plate, a first electrode terminal, aconnection piece and a sealing piece, wherein the material of the top cover plate is insulation plastic, an electrode leading-out hole is formed in the top cover plate, the first electrode terminal comprises a terminal plate, the terminal plate is arranged at one side of the top cover plate and covers the electrode leading-out hole, a peripheral surface of the terminal plate protrudes out of an inner wall surface of the electrode leading-out hole, the connection piece is connected with the top cover plate and the first electrode terminal, the first electrode terminal is fixedly arranged at the top cover plate by the connection piece, and the sealing piece encircles the electrode leading-out hole and is arranged between the top cover plate and the terminal plate so as to seal the electrodeleading-out hole. By the top cover assembly, the sealing effect of a secondary battery shell is ensured, the occupancy of the internal space of the battery shell is reduced, thus, the energy densityof the secondary battery can be improved, and the application reliability of the secondary battery is ensured.

The invention discloses a permanent magnetism aerogenerator and a rotor thereof. A magnet yoke of a rotor includes grooves distributed along the circumferential direction, and the sidewall of each groove includes protruded ribs; the shape of the bottom side of a magnetic pole module matches that of the groove, and one part of the magnetic pole module is embedded into the groove; and a fixation part for compressing the magnetic pole module is arranged on the protruded ribs. The grooves are used to bear the magnetic pole module, the rotor and stator assembling difficulty and the installing and positioning difficulty of the magnetic pole assembly are reduced greatly, the fixation part is used to further fix the magnetic pole module, and the rotor processing difficulty and cost are reduced greatly.

The invention relates to the technical field of electric drills, in particular to a handheld angle drill. The invention aims to solve the technical problems that a transmission mechanism of the handheld angle drill is complex in structure and low in transmission efficiency. For the purpose, the invention provides a handheld angle drill. The handheld angle drill comprises a housing, a driving device, a bevel gear train and a drill bit assembly; the housing comprises a grip housing part and a drill bit housing part; and the driving device is arranged in the grip housing part, the drill bit assembly is arranged at the drill bit housing part and extends out of the drill bit housing part, and the driving device drives the drill bit assembly through the bevel gear train. The driving device in the handheld angle drill drives the drill bit assembly through the bevel gear train, not only the transmission mechanism of the handheld angle drill is simplified, but also the transmission efficiency of the driving device is improved; and meanwhile, the bevel gear train can share part of the axial force of the drill bit assembly, so that the phenomenon that the axial force of the drill bit assemblydirectly acts to the driving device to damage the driving device is reduced.

The invention provides a normally open overflow drainage sluice structure for small and medium flows. A sluice valve comprises a central flashboard and two sliding flashboards installed on the two sides of the central flashboard, the bottoms of the central flashboard and the sliding flashboards are provided with a plurality of comb-shaped fixed sluice pieces arranged at intervals. the sides, facing the central flashboard, of the sliding flashboards each are provided with a strip-shaped inserting part, and the other sides of the sliding flashboards are inserted into guide grooves; the insertingparts are inserted into inserting holes in a sliding fit mode, the two sliding flashboards each extend out in the width direction of a base so that sliding sluice pieces which extend out of the inserting holes and in the inserting parts can be automatically popped up downwards; and a friction ring of a winding device is connected to the other end of a traction rope, a circle of friction groove isformed in the inner wall of the friction ring in the circumferential direction thereof, the end, with abrasive resistance, of a friction piece is located in the friction groove and is in close contact with the friction groove, and the other end of the friction piece is fixedly connected to the surface of an air bag. According to the structure, rapid installation and construction of a drainage sluice of a river channel water outlet can be realized, the water drainage amount can be adjusted, and the adaptability is strong.

The invention provides a normally-open overflow drainage sluice structure. A sluice valve of the normally-open overflow drainage sluice structure comprises a central sluice plate and two sliding sluice plates disposed on the two side of the central sluice plate. The two sliding sluice plates extend out in the width direction of a base respectively. A rod shaped like a walking stick is horizontallydisposed in each sliding sluice plate and is in horizontal sliding fit in the sliding sluice plate. A handle section of each rod inclines towards the upper side of one side of the central sluice plate and is connected with a traction rope. The two traction ropes on the two sides are each wound around a tensioning wheel to be tied onto a reset mechanism that is disposed at the upper end of the central sluice plate. A rope winding device of each reset mechanism comprises two friction rings, a plurality of friction pieces and an air bag, wherein the friction rings are connected with the corresponding traction rope, and when sluice pieces are completely pulled into installing holes where the sluice pieces are located, the friction rings and the air bag rotate relatively. The normally-open overflow drainage sluice structure can be rapidly installed and constructed at a riverway outfall to resist large water flow impact, and the normally-open overflow drainage sluice structure has flexibleand selectable working mechanism and high adaptability.

The invention relates to the technical field of current transformers, in particular to a current transformer wide in measurement range, aiming at overcoming the defects of large size and poor magnetic saturation resistance of existing current transformers. The current transformer wide in measurement range comprises an iron core and coils and is characterized in that the iron core is made of four strip-shaped oriented silicon steel sheets with two ends free of punched holes and formed by stacking the four silicon steel sheets integrally in a staggered manner, the coils are wound around coil skeletons of a fixing device, and the current transformer is subjected to integral paint dipping treatment. The current transformer wide in measurement range has the advantages that the magnetic saturation resistance of the current transformer for a reclosure molded case circuit breaker or an electronic type molded case circuit breaker is improved greatly; the four silicon steel sheets are stacked together and then assembled integrally in a staggered manner, so that assembly difficulty of the strip-shaped silicon steel sheets is lowered.

The invention discloses a reinforced horizontal adjusting device and an automobile electric seat comprising the reinforced horizontal adjusting device. The reinforced horizontal adjusting device comprises a first external box body and a second external box body which are arranged outside, the first external box body is provided with a threaded hole, a through hole is formed in the corresponding position of the second box body, and the position, where the threaded hole is located, of the first external box body is provided with a thickening part protruding outwards; and the position of the through hole of the second external box body is provided with a thinning part which is sunken inwards. Under the condition that the overall structure size is not increased, a purpose of improving the tensile strength of the first outer box body and the second outer box body is achieved, and use safety and reliability of the automobile electric seat sliding rail are improved; and heat dissipation openings are added, so the heat dissipation performance is improved. An over-positioning structure is achieved, so the tolerance compensation effect is achieved, and the probability of assembly difficulty caused by machining errors is reduced.

The invention relates to a split type gas filling port seat. A sealed seat body with a cavity is assembled by a plurality of detachable parts; the parts specifically include a gas filling valve seat, an upper cover, a back cover, a connecting seat and a front cover, wherein the gas filling valve seat is fixedly mounted on a floor sideboard; the upper cover covers above the gas filling valve seat; the connecting seat is fixed on side frame outer panel; the front cover is provided with a gas filling port; the gas filling valve seat and the upper cover form a side frame with a high pressure pipe port; axially raised flange is arranged on the back circumferential surface of the connecting seat; the flange penetrates through the floor sideboard and is inserted into the side frame; the front cover seals the front end of the connecting seat; and the back cover seals the back end of the side frame. According to the split type gas filling port seat provided by the invention, as the gas filling port seat is designed as a structure which can be detached into a plurality of parts, the upper cover on the upside and the back cover in the rear can be detached during mounting or replacing a gas filling valve so that the operation is convenient; and as the gas filling valve seat is connected with the upper cover through a longitudinal bolt, the assembling difficulty is reduced, the manufacturing bottleneck of a production line is removed and the production efficiency is increased.

The invention relates to a scissor type radial dilating device for an intestinal tract miniature robot. The scissor type radial dilating device comprises a scissor and fork type radial dilating mechanism, a coaxial backward rotating driving mechanism and a driving decelerating device, wherein the driving decelerating device is used for transmitting power to the scissor and fork type radial dilating mechanism through the coaxial backward rotating driving mechanism, so that the scissor and fork type radial dilating mechanism is driven to do dilating and contracting movement. According to the scissor type radial dilating device disclosed by the invention, the structure of the device is simplified, besides, necessary functions of all existing robots are reserved, and the operating stability ofthe mechanism is improved.