54results about How to "Reduce the number of assemblies" patented technology

The invention discloses a Type-C socket connector. The Type-C socket connector comprises a shell and an inserting component; the inserting component comprises an upper inserting component and a lower inserting component; the upper inserting component comprises an upper insulating body and an upper row of electric conductive terminals integrally formed with the upper insulating body; the lower inserting component comprises a lower insulating body, and a metallic shield sheet and a lower row of electric conductive terminals integrally formed with the lower insulating body; each insulating body is provided with twelve grooves respectively; each row of the electric conductive terminals is provided with eight terminals respectively; the metallic shield sheet is integrally formed with any two terminals in the lower row of the electric conductive terminals; the metallic shield sheet is downwards protruded to form a plate-shaped grounding part; the position of the terminals integrally formed with the metallic shield sheet corresponds to the position of the grounding part; and the grounding part and the metallic shield sheet are located in the different planes. The Type-C socket connector is used for reducing the assembly number of the parts, reducing the tolerance accumulation, satisfying the USB2.0 application, and greatly decreasing the number of the terminals, and is good for the stability of the product.

The invention mainly belongs to the technical field of rotary guide systems, and particularly relates to a full-rotation hydraulic inward-pushing-type high-build-up-rate rotation guide tool. The full-rotation hydraulic inward-pushing-type high-build-up-rate rotation guide tool adopts a hydraulic system driven by a turbine and a generator set to convert the energy of the pressure mud into the hydraulic energy. By adopting the hydraulic system driven by the turbine and the generator set, the power is provided for a piston through the hydraulic mode, so that the lateral force obtained by a drillbit is larger. Meanwhile, the hinged mode is adopted, so that the optimal steering capability is achieved. As a result, the high build-up rate is easier to achieve. The hydraulic piston pushes againstthe inner wall of a lower rotating sleeve instead of the wall of a well, so that the abrasion can be reduced. At the same time, only one set of pushing piston assemblies is pushed out at the same moment, so that the unnecessary work is reduced. The service life of the piston is prolonged.

An antenna device includes a circuit board, an upper shield case, a lower shield case, and a power feeding member. The circuit board has high frequency circuits arranged thereon. The upper shield case and the lower shield case cover the circuit board. The power feeding member extends from an upper plate of the upper shield case. Radiation slots and are formed in the upper plate. The power feeding member includes a horizontal portion, a bent portion, and a drooping portion, and a front end of the drooping portion is mounted on a land of the circuit board and soldered thereto. The horizontal portion protrudes from a base end which is continuous to the upper plate in a horizontal direction. The bent portion is formed by bending a front end of the horizontal portion at a right angle. The drooping portion extends downward from the bent portion.

The invention is appropriate for the technical field of motors, and discloses a motor stator and an external rotor motor with the motor stator. The motor stator comprises a stator assembly which comprises a stator iron core with a through hole and a winding winded on the stator iron core. The motor stator further comprises a plastic package body wrapping the stator assembly and a bearing sleeve which is positioned in the through hole and used for mounting of a bearing. The plastic package body comprises a body plastic package part which covers the stator iron core and the winding. The plastic package body limits the bearing sleeve by means of arranging a limiting part integrated with the body plastic package part. The external rotor motor comprises the motor stator arranged in the rotor. The motor stator and the external rotor motor with the motor stator provided by the invention are convenient to assemble, less in production vibration and noise and high in reliability.

The invention relates to the technical field of construction, in particular to a reinforced concrete modelling construction method which is applicable to a large section chamber. According to the super-large section chamber reinforced concrete modelling construction method, a multi-vertical-rod type lining trolley is adopted to control the integral rigidity of a rack, a motor drives a walking mechanism to drive the trolley to move, formwork in place and tunnel reinforced concrete forming of closing mold are adjusted through a hydraulic oil cylinder and a screw jack, the multi-rod type lining trolley adopts a method of pouring the side wall and the arc portion together or separately pouring the arc wall according to the size, the construction period and the concrete supply conditions of the tunnel section. According to the reinforced concrete modelling construction method, the multi-rod type lining trolley is adopted, the side wall and the arc portion can be poured separately and simultaneously, the construction period and costs are saved, the splicing time and material reshipment are reduced, the trolley movement and positioning speed is rapid, and personnel operation is facilitated; the multi-rod trolley adopts full-hydraulic vertical closing mold, the motor driving is matched with walking of the rail, accurate positioning is easy, braking is convenient, movement safety risks are small, and the structure is reasonable.

A saddle-type vehicle that securely supports a fuel tank with sufficient strength when load in a vertical direction is applied. A pair of frame members extend in a front-and-rear direction of the vehicle and support a fuel tank. The fuel tank has a pair of flanges contacting the outer sides of the frame members. The flanges are attached to the frame members by attachment members inserted from outside in a vehicle width direction.

Disclosed herein is a rotatable inputting apparatus. When a circuit board of the rotatable inputting apparatus is coupled to a main circuit board of a terminal or remote control, the rotatable inputting apparatus of the invention allows reference points of the boards to be instinctively recognized without the necessity of forming reference projections or using screws, thus enabling its easy assembly. The rotatable inputting apparatus includes a wheel having a ring magnet, a support having a pressure pin, a center key moving in a vertical direction, a dome seat including a central dome button and peripheral dome buttons, a circuit board to which the dome seat is attached, and a connecting guide which is secured to the circuit board and has a connecting part. The connecting part passes through the circuit board and is inserted into the main circuit board.

The invention discloses a forming process method of a thermal runaway prevention composite material battery box upper cover and a product. The composite material comprises a mica paper layer, a firstcomposite material layer, a second composite material layer, a third composite material layer, a fourth composite material layer, a fifth composite material layer, a sixth composite material layer, aseventh composite material layer and an eighth composite material layer which are sequentially laid from bottom to top. According to the molding process method of the thermal runaway prevention composite material battery box upper cover and the product provided by the invention, different thermal runaway requirements can be met, flexible design, different thermal runaway temperatures, corresponding changes of the mica powder content and layer number of the layers and the layer sequence are realized, the preparation procedures of parts can be reduced, the assembly number of the parts is reduced, the production cost is reduced, by combining the high-strength advantage of the continuous fibers and the heat resistance of the mica material, the thermal runaway prevention capacity of the composite material battery box upper cover is improved, the manufacturing cost is reduced, the space of the battery pack is not occupied, open fire is prevented from overflowing, and the safety of the electric automobile is improved.

The invention discloses an integrated rack type hydraulic horizontal jack with an improved structure, and belongs to the technical field of lifting devices. The integrated rack type hydraulic horizontal jack with the improved structure comprises a rack component, a cargo boom component, a hydraulic component, a bracket component and a pressing handle, wherein the rack component comprises a left wall plate and a right wall plate, the left wall plate and the right wall plate are arranged in a mutually-parallel mode, the bracket component is installed at the front end in the length direction of the cargo boom component, and the pressing handle is installed on the hydraulic component. The integrated rack type hydraulic horizontal jack with the improved structure is characterized in that the front portion, the middle portion and the rear end portion of the left wall plate in the length direction and the front portion, the middle portion and the rear end portion of the right wall plate in the length direction are fixedly connected through a front wheel shaft, a supporting shaft and a rear fixing plate respectively, the cargo boom component is sleeved on the supporting shaft and can rotate around the supporting shaft, the front end of the hydraulic component is installed on the cargo boom component through a piston pin roll, and the rear end of the hydraulic component is installed on the rear end portion of the left wall plate and the rear end portion of the right wall plate in the length direction through a rear shaft, and is matched with the rear fixing plate. The integrated rack type hydraulic horizontal jack with the improved structure has the advantages of being reasonable in structure and reliable in movement, improves the integral strength, reduces the number of assembled parts, improves production efficiency and reduces production cost.

The invention provides an assembly type truss formwork support, belongs to the technical field of construction, and particularly relates to a truss and a support which are used for construction. The truss is obtained by assembling one-meter single-rod units, I type truss units (one meter), II type truss units (two meters) and end rods through shaping truss units with end plates by means of bolt connection joints instead of assembling existing single rods. Upper chords, lower chords and inclined supports of all the truss units are connected through welding, the end plates with bolt holes are adopted for the ends of the truss units, the truss units are connected through bolts, different spans of trusses can be formed after assembly, the end rods are additionally arranged at the ends of the assembly truss, vertical supports are additionally arranged on the end rods, and the assembly type truss formwork support is formed. The assembly type truss formwork support is obtained by connecting and assembling the end plate shaping truss units with the bolt holes through the bolts, the number of splicing times is reduced, and therefore the rigidity of the trusses is ensured, web member eccentric influences and assembly gaps are reduced, the vertical deflection is reduced, and the bearing capacity is improved. All the truss units are assembled through the connection plate joints with the bolt holes, and different spans of trusses can be obtained after assembly.

The invention relates to the technical field of electronics, and discloses a locking attaching module and a spliced assembly with the same. The locking attaching module comprises a first to-be-locked piece with a first lock hole, a second to-be-locked piece, an adjustment rod, an adjustment base and a locking assembly. The adjustment base is arranged on the first to-be-locked piece, the adjustment rod is adjustably positioned to the adjustment base and penetrates through the first lock hole, and the locking assembly sequentially penetrates through the adjustment rod and the second to-be-locked piece so as to attach the second to-be-locked piece to the first to-be-locked piece in a locked mode. When moving in the direction of the second to-be-locked piece, the adjustment rod can extend out of the first lock hole and abut against the second to-be-locked piece so as to adjust a locking attaching gap between the first to-be-locked piece and the second to-be-locked piece. By means of the structure, the locking attaching gap can be subjected to fine adjustment, the requirement for the accuracy of the outline size of the to-be-connected pieces is reduced accordingly, and then the machining difficulty and the machining cost of the to-be-locked pieces are reduced; bright lines and dark lines caused by the error of the outline size of the to-be-locked pieces and generated after multiple to-be-locked pieces are combined are avoided.

The invention provides a motorcycle engine starting pressure reduction structure, and belongs to the technical field of motorcycles. The problem that an existing engine starting pressure reduction structure is insufficient in light weight is solved. The motorcycle engine starting pressure reduction structure comprises a cam shaft, a chain wheel and a pressure reduction valve assembly, wherein thechain wheel is provided with a fastener and fixedly connected to the cam shaft through the fastener; the pressure reduction valve assembly comprises a throwing block arranged on the side face of the chain wheel; one end of the throwing block is hinged to the chain wheel, and the throwing block can be thrown out in the radial direction of the chain wheel under the action of centrifugal force; the throwing block is connected with a reset elastic piece; the throwing block abuts against the fastener after being reset under the action of the reset elastic piece; a limiting protrusion is arranged onthe edge of the chain wheel; and after the throwing block is thrown out, the hinged end of the throwing block abuts against the limiting protrusion, and then the throwing stroke of the throwing blockis limited. According to the motorcycle engine starting pressure reduction structure, the light weight design of the chain wheel assembly is achieved, and meanwhile the beneficial effect of the compact structure is achieved.

The invention discloses a crankshaft assembly. The crankshaft assembly comprises a crankshaft and a filler, wherein the filler is in interference connection with the crankshaft, so that the filler and the crankshaft are connected into a whole body. The filler is fixed to the crankshaft in an interference connection mode, so that the crankshaft assembly is simple and compact in structure, the number of assembled parts is reduced, the assembling efficiency is improved, the weight of the crankshaft assembly is reduced, the rotating inertia force of the crankshaft is reduced, and the production cost is saved; and the crankshaft assembly is installed on an engine, so that the overall mass of the engine is reduced, the lightweight design is realized, the scavenging efficiency of an engine cylinder body is improved, the performance of the engine is improved, the production cost is reduced, and the market competitiveness is improved.

The invention discloses a turbocharger heat insulation structure which comprises a turbine box and a bearing box, wherein the turbine end of the bearing body is jointly connected with the turbine box in a step-structure mode, a circulating cooling water cavity is arranged at the inner end side, close to the turbine, of the bearing body, a water inlet and a water outlet which penetrate through the circulating cooling water cavity are arranged on the bearing body, and the bearing body and the water cavity are cast and molded by using the same material. According to the invention, an insulation sleeve structure can be omitted, a joint type contact seal can be designed between the bearing body and the turbine box and the joint position can be designed with a step section so as to reach the sealing effect; the water cavity arranged at the inner end part, close to the turbine, of the bearing body can be used for achieving the heat insulation effect; and the bearing body and the water cavity are cast and molded by using the same material, so that the deformation difference between the bearing body and the water cavity can be lessened. Compared with the prior art, the turbocharger heat insulation structure provided by the invention has the advantages that the management cost of parts can be lowered because insulation sleeve parts and dies are not required; and meanwhile, the part assembly amount can be reduced and the transferred assembly efficiency can be improved, thus the turbocharger heat insulation structure is suitable for popularization.

The invention discloses a capacitor multiplexing type modular multilevel converter and a control method thereof, and relates to the technical field of power supply power systems. The capacitor multiplexing type modular multilevel converter comprises an upper bridge arm, a lower bridge arm and a multiplexing capacitor; each of the upper bridge arm and the lower bridge arm comprises a plurality of cascaded sub-modules, a direct current side port of any sub-module of the upper bridge arm is connected in parallel with a direct current side port of the corresponding sub-module in the lower bridge arm, and the direct current side port of any sub-module of the upper bridge arm and the direct current side port of the corresponding sub-module in the lower bridge arm are connected in parallel with the same multiplexing capacitor; the working states of the two sub-modules sharing the multiplexing capacitor are opposite; one sub-module of each phase of upper bridge arm and one corresponding sub-module of each phase of lower bridge arm share the same capacitor, so that on the premise of ensuring high operation reliability and simple control strategy, the assembling number of the capacitors is reduced, and the weight, volume and occupied area of the converter station are reduced.

Provided is a bidirectional simultaneous rotary blade bundle for a mixer, the bidirectional simultaneous rotary blade bundle comprising: a housing (110); a forward rotary shaft (120) installed on the housing (110); a forward rotation blade (K1) provided on the forward rotary shaft (120); a central gear (130) axially installed on the forward rotary shaft (120); horizontal insertion gears (141,142, and 143) engaged with the central gear (130); a reverse rotor (160), of which inner gear teeth (164) are engaged with and rotate on the outside of the horizontal insertion gears (141, 142, and 143); and a reverse rotation blade (K2) installed on the reverse rotor (160), wherein the horizontal insertion gears (141, 142, and 143) are rotated in the reverse direction according to the forward rotation of the central gear (130) such that the inner gear teeth (164) are rotated in the reverse direction.