27results about How to "Axial space saving" patented technology

The present invention discloses a modular joint of a collaborative robot with a compact structure, which is connected in sequence: a joint housing; a joint output flange; a low-speed wire protection tube connected to the joint output flange; a harmonic reducer connected to the joint output flange and the joint housing; a motor assembly, including a stator and a rotor; a motor shaft connected to the motor rotor, one end of which is connected to the input end of the harmonic reducer; a brake assembly, which is a magnetic friction type, locks when the power is off, and opens when the power is on, and is connected to the motor shaft. Compared with the latch-type brake, it is safer to stop in an emergency and will not bend the stop pin; a motor-end encoder assembly; and a joint-end encoder assembly. The encoder code disc at the motor end of the present invention is concentrically arranged with the encoder code disc at the joint end, and the encoder reading head at the motor end is integrated with the encoder reading head at the joint end, so that the axial space of the joint is compact, the integration is high, and the wiring space is large for easy operation. At the same time, the modular joint of the present invention also has the characteristics of high rigidity and large load-to-weight ratio.

The utility model belongs to the technical field of an electric roller, a backstop and a brake for a belt conveyor, and particularly relates to a backstop and brake all-in-one machine which comprises a brake disc, the backstop and an electric roller wall, the backstop is fixedly installed on the brake disc, a brake head capable of enabling the brake disc to stop rotating is arranged at the top end of the brake disc, and the brake head is fixedly installed on the brake disc. The brake disc and the side plate of the backstop are integrated, the backstop inner ring is arranged on the inner side of the backstop, the roller shaft is fixedly installed in an inner cavity of the backstop inner ring, the backstop outer ring is arranged on the outer side of the backstop, and the backstop outer ring is fixedly installed on one side of the brake disc. The brake and the backstop are installed on the roller side plate, so that the structure is compact, the axial space is small, field installation and arrangement by personnel are facilitated, and in addition, cost and space can be saved when the brake and the backstop are selected at the same time.

The application provides a variable stiffness aero-engine elastic supporting structure, which comprises an inner supporting ring and an outer supporting ring, a plurality of elastic supporting members and a plurality of outward protruding bosses are arranged on the outer wall surface of the inner supporting ring, a plurality of grooves are arranged on the inner wall surface of the outer supporting ring, the inner supporting ring is connected in the outer supporting ring through the elastic supporting members, and the bosses and the grooves are matched with each other. The application can effectively reduce the axial space required by elastic supporting installation, can remove the limiter structure matched with the traditional squirrel cage elastic supporting structure, can change the supporting stiffness by designing the shape of the memory alloy under different rotating speed conditions, so that the critical rotating speed of the rotor is changed, and the excessive vibration of the rotor during the operation process over the critical rotating speed can be reduced or even eliminated.

The invention discloses a variable speed hub with a compact axial structure. The variable speed hub comprises a hub shell, a first-stage driving assembly, a second-stage driving assembly and a third-stage driving assembly, wherein the second-stage driving assembly is connected with the first-stage driving assembly through a second planetary gear set, and the third-stage driving assembly is connected with the second-stage driving assembly through a third planetary gear set. A second spline is arranged on the periphery of a second gear ring of a second planetary gear set of the second-stage driving assembly. A third spline is arranged on the periphery of a third gear ring of a third planetary gear set of the third-stage driving assembly. The second gear ring and the second spline are integrally formed, the third gear ring and the third spline are integrally formed, and the splines are located on the peripheries of the gear rings. The centrifugal block of the second clutch assembly of the second-stage driving assembly and the centrifugal block of the third clutch assembly of the third-stage driving assembly are distributed on the same annular track. Compared with the prior art, the axial space occupied by the variable-speed hub can be effectively saved, and integration of the variable-speed hub and the motor is facilitated.

The utility model relates to a bicycle drive device technical field, specifically disclose a coaxial planetary row structure bicycle power assisting mechanism, including long axle, be equipped with the casing group on long axle, be equipped with motor assembly and planetary row gear mechanism between long axle and casing group, long axle passes through casing group, motor assembly and planetary row gear mechanism, long axle and casing group, motor assembly and planetary row gear mechanism coaxial arrangement, long axle is connected with the sprocket of casing outside, planetary row gear mechanism is located between motor assembly and sprocket, planetary row gear mechanism includes retainer, a plurality of planetary wheel, sun wheel and the inner tooth ring of connecting on casing group, a plurality of planetary wheel and inner tooth ring engage, long axle is equipped with the ratchet mechanism and sensor in the retainer, and the motor shaft in motor assembly is connected through one -way bearing between sun wheel. The power assisting mechanism in scheme can improve space utilization, reduce the weight of car body, shorten axial space.

The utility model belongs to motor technical field discloses a thin type direct current brushless outer rotor motor, including the casing, the casing is the open cylinder of one end, the coaxial line is placed in the fixed shaft of casing, the coaxial line is placed and is equipped with the stator core of outside sleeve of shaft, the magnetic strip is fixed on the casing inside peripheral wall, the end cover is equipped with the open end of casing, the end cover is the disc -shaped of inside hollow, and the end cover is close to the open -mouthed of casing end, and the open end of casing is inlaid into the inside of end cover, the stator core is fixedly connected with the end cover, and the one end of shaft is passed through the end cover and is connected with the end cover rotation, the outside peripheral wall fixed support of end cover open end, and the support is located between the two ends of end cover and casing along the shaft axial direction and is away from each other, effectively reduced the thickness of motor along the shaft axial direction, realized the design of motor structure thin type.

The invention discloses a side-mounted electric wind vane electromagnetic brake device, including an electric release mechanism, the electric release mechanism includes an end cover with an iron core, an electromagnetic induction device, an armature, a friction disk and a rotating shaft, an armature is arranged above the end cover with an iron core, the electromagnetic induction device is installed in the end cover with an iron core, a friction disk is arranged above the armature, and the end cover with an iron core, the armature and the friction disk are all sleeved on the rotating shaft. The advantages of the invention are: greatly shortening the axial space, which is conducive to improving the strength of the rotating shaft; economical cost, convenient and reliable operation; simplified structure, saving axial space; greatly reducing the difficulty of processing and assembly debugging.

The utility model discloses a self-compensating type sealing device which comprises a sealing assembly and a corrugated pipe assembly, the sealing assembly comprises a driving sleeve assembly and a fixing structure arranged on the outer side of the driving sleeve assembly, the driving sleeve assembly tightly holds a rotating shaft and synchronously rotates along with the rotating shaft, one end of the corrugated pipe assembly is connected with the fixing structure of the sealing assembly, and the other end of the corrugated pipe assembly is connected with the sealing assembly. The other end of the corrugated pipe assembly is fixedly connected with the mounting surface; the lower end of the fixing structure of the sealing assembly is connected with the corrugated pipe assembly, the corrugated pipe assembly bears the axial load and allows the whole sealing assembly installed on the corrugated pipe assembly to deflect in a small range in the radial direction, the swing amount generated by a rotating shaft is counteracted, and therefore the sealing assembly at the upper end is protected.

The utility model provides a kind of for two-wheeled vehicle's middle motor structure and two-wheeled vehicle, including stator core fixed installation on the inner wall of shell one side, the stator tooth of stator core is arranged around axis direction, winding is wound on stator core;The one end of motor shaft is rotatably installed on the inner wall of shell fixed installation stator core by bearing, the other end of motor shaft extends outward from the other side of shell, and the middle section of motor shaft is rotatably cooperated with the side wall of the other side of shell by bearing, rotor support is coaxially fixed installation on the shaft section of motor shaft that extends into shell, magnetic steel is fixed installation on the side wall opposite to rotor and stator core, the axis of motor shaft and the axis of stator core are collinear. By winding winding on the stator tooth of stator core arranged around axis direction, axial flux path is formed, cooperate disc type rotor, torque density is greater than the same volume radial flux motor, significantly improve the power density and torque density of motor, facilitate the miniaturization and lightweight design of middle motor.

The invention provides a cell for improving the layout of the cell. The unit has a bolt and a rotating electric machine. The rotating electrical machine includes a rotor and a stator surrounding an outer periphery of the rotor. The stator has a stator protrusion protruding radially outward on the outer periphery of the stator. The bolt is inserted into the stator protrusion in a direction from one axial end side of the stator toward the other axial end side. The neutral point of the stator and the head of the bolt are disposed on one axial end side of the stator. The neutral point of the stator is offset from the head of the bolt when viewed from the axial direction.

The utility model discloses a magnetic liquid sealing device which comprises a driving sleeve assembly and a rotating disc, the driving sleeve assembly tightly holds a rotating shaft and synchronously rotates along with the rotating shaft, the rotating disc is connected with the driving sleeve assembly and extends in the radial direction of the rotating shaft, and a first magnetic liquid sealing piece and a second magnetic liquid sealing piece are arranged at the upper end and the lower end of the rotating disc respectively. End face magnetic liquid sealing structures arrayed in the radial direction of the rotating shaft are formed between the first magnetic liquid sealing piece and the rotating disc and between the second magnetic liquid sealing piece and the rotating disc. The first magnetic liquid sealing piece and the second magnetic liquid sealing piece are arranged at the upper end and the lower end of the rotating disc in the radial direction of the rotating shaft respectively, and the end face magnetic liquid sealing structure is formed between the first magnetic liquid sealing piece and the rotating disc and between the second magnetic liquid sealing piece and the rotating disc. The purposes of saving axial space, reasonably using radial space and guaranteeing sealing reliability are achieved.

This utility model provides a crankshaft connection structure and a piston air compressor, including a double-sided stop flange, a power take-off sleeve, and a crankshaft body. The double-sided stop flange serves as a common end cover connecting the motor housing and the crankcase. A shaft hole is located at the center of the double-sided stop flange, and the shaft hole is coaxial with the motor rotor. The power take-off sleeve is fixedly inserted through the center of the motor rotor. One end of the crankshaft body is rotatably connected to the end wall of the crankcase away from the motor housing, and the other end extends through the shaft hole into the motor housing to form a power take-off section, which is inserted and fixed to the power take-off sleeve. The portion of the crankshaft body passing through the shaft hole forms a centering section, which is coaxial with the power take-off section and rotatably connected to the shaft hole. The crankshaft connection structure and piston air compressor provided by this utility model allow the crankshaft body to obtain power through the insertion and fixing of the power take-off section and the power take-off sleeve, eliminating the need for a motor shaft and coupling, thus saving axial space and improving the compactness of the overall structure and the flexibility of the installation layout.

The knife-beating cylinder with a central water outlet function disclosed in the present invention comprises a knife-beating mechanism and a central water outlet mechanism, wherein the knife-beating mechanism comprises a hollow and coaxially arranged knife-beating piston, a cylinder body, a cylinder seat, a cylinder pressure cover and a base, wherein the knife-beating piston is arranged in the inner hole of the cylinder body, the cylinder pressure cover, the cylinder body and the knife-beating piston form a knife-loosening oil chamber, and the cylinder body and the knife-beating piston form a knife-clamping oil chamber, and the central water outlet mechanism comprises a central water outlet piston, a rotary joint and a central water outlet pressure cover, wherein the central water outlet piston is arranged in the inner hole of the cylinder pressure cover and fixed on the knife-beating piston, and the rotary joint is arranged on the inner side of the central water outlet piston, and the storage chamber, the rotary joint and the central hole of the knife-pulling rod formed by the central water outlet pressure cover, the cylinder pressure cover, the central water outlet piston and the rotary joint are sequentially connected, and the front end of the central hole of the knife-pulling rod directly reaches the front end of the main shaft. The present invention embeds the central water outlet mechanism in the knife-beating mechanism, greatly releasing the axial space of the main shaft, and can effectively reduce the axial length of the main shaft.

The invention relates to a rotor five-degree-of-freedom magnetic suspension conical bearingless magnetic flux switching motor, which comprises a rotating shaft, and is characterized in that the rotating shaft is sequentially provided with a front conical bearingless magnetic flux switching motor and a rear conical bearingless magnetic flux switching motor along the axial direction of the rotating shaft from front to back; a machine shell is arranged on the periphery of the front conical bearingless magnetic flux switching motor and the periphery of the rear conical bearingless magnetic flux switching motor, and the front conical bearingless magnetic flux switching motor and the rear conical bearingless magnetic flux switching motor each comprise a conical rotor iron core and a conical stator iron core which are sequentially arranged in the radial direction of the rotating shaft. The conical rotor iron core is installed on the rotating shaft, and the conical stator iron core is installed on the machine shell. The motor is reasonable in structural design, the axial space can be saved, and the power density of the motor is effectively improved.

The present invention belongs to the technical field of automobile transmission, and relates to a nine-speed automatic transmission, including an input member, an output member, a transmission housing, a first planetary gear, a second planetary gear, a third planetary gear, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake, a second brake and a third brake. The nine-speed automatic transmission of the present invention realizes further concentration of the distribution of clutches and brakes by rationally combining and arranging four clutches and three brakes, so that the clutches and brakes can be fully nested, so that the arrangement of clutches and brakes can be highly integrated and the axial space of the entire planetary gear mechanism (composed of the first planetary gear, the second planetary gear and the third planetary gear) can be compressed to the maximum extent possible, so that the entire planetary gear mechanism is more compact.

This invention discloses an integrated braking and grounding device for a semi-direct-drive wind turbine, comprising a motor brake disc and a grounding slip ring. The motor brake disc and the grounding slip ring are detachably connected as one unit in the axial direction via a stop and bolts to shorten the axial space. Simultaneously, the axial cross-section of the grounding slip ring is an "L-shaped" structure, consisting of an outer friction ring and an inner mounting plate made of different materials, to significantly reduce costs. Furthermore, this invention installs a speed sensor on the motor brake disc and machines its outer circumference into a gear shape to achieve single-blade turning function. This invention fully utilizes the space at the rear end of the motor by axially integrating the motor brake disc and the grounding slip ring, and significantly reduces manufacturing costs while maintaining performance by changing the material of the grounding slip ring.

The invention discloses a single-motor torque vector planet row speed reducer which comprises a motor and speed reducer parts symmetrically arranged on the two sides of the motor. The speed reducer part comprises a speed reducer shell, a planetary gear transmission mechanism and a clutch, the planetary gear transmission mechanism comprises a first-stage driving sun gear, a duplex planet gear, a gear ring and a planet carrier, the output end of the motor is connected with the first-stage driving sun gear through a spline, and the first-stage driving sun gear is in meshing transmission with the duplex planet gear; the duplex planet wheel is in meshing transmission with the gear ring, the clutch is connected between the gear ring and the speed reducer shell, the duplex planet wheel is connected with the planet carrier through the planet gear pin, and finally torque is output to the wheel end. Vector control of the speed reducer is achieved through one motor, meanwhile, high integration is achieved, and the axial arrangement space is shortened.

The present application discloses a two-speed dry dual clutch for pure electric vehicles, wherein one end of the C2 disc hub of the C2 driven disc is embedded in the driving disc hub of the driving disc and is coaxially connected to the driving disc, and the other end is embedded in the C1 disc hub of the C1 driven disc and is coaxially connected to the C1 driven disc; it also includes a pull rod, a guide rod, a C1 guide sleeve, a C1 release spring, a C2 guide sleeve and a C2 release spring. The problem that the two driven discs of the open dual clutch cannot be centered without the main shaft inserted is solved, while the design requirements of the intermediate positioning bearing are saved and the axial space is reduced. Moreover, a reset mechanism is constructed by using the guide rod, the C1 guide sleeve, the C1 release spring, the C2 guide sleeve and the C2 release spring, and the application of the pull rod is used to achieve the stable separation and engagement of the C1 clutch and the C2 clutch. It has a very good burst speed, can stably complete the engagement and separation of the clutch at a high speed, and better meet the application requirements of the dual clutch of pure electric vehicles.

The utility model provides a speed reduction motor and a range hood comprising the same, the speed reduction motor comprises a motor assembly, the motor assembly comprises a motor shaft, the second end of the motor shaft is provided with a motor bearing; the gear box assembly is connected with the motor assembly in the axial direction of the motor shaft, the first end of the motor shaft extends into the gear box assembly, and the gear box assembly comprises an output shaft and an output bearing supporting the output shaft. An inserting hole is formed in the end portion, facing the first end of the motor shaft, of the output shaft, the first end of the motor shaft is connected with the output shaft in an inserting mode, and the first end of the motor shaft and the output shaft share the same output bearing. The internal axial space of the gear motor is reasonably utilized, the axial size of the gear motor can be correspondingly reduced, and on the basis that the gear box assembly and the motor assembly are axially connected to save the radial space, the outer diameter of the motor is reduced to reduce the resistance to airflow in an air duct.

The invention discloses a waterway switching structure and a waterway switching method for a toilet and a human body cleaning device thereof. The waterway switching structure comprises: a nozzle unit, comprising a fixed nozzle and a plurality of telescopic nozzles which are sequentially sleeved from the outside to the inside, wherein the fixed nozzle and the plurality of telescopic nozzles are provided with interconnected waterways, and the front ends of the last nozzles of the plurality of telescopic nozzles are provided with spray holes connected with the waterway; a driving unit, comprising a driving member and a plurality of screws, wherein the number of the screws is the same as the number of the telescopic nozzles, the driving member drives the telescopic nozzles of the plurality of stages to telescope through the screws of the plurality of stages, and when the nozzle unit is in an initial position, the driving member can drive the telescopic nozzles of the plurality of stages to retract backward to a retracted position through the screws of the plurality of stages; a switching component, which is arranged at the front end of the last nozzle, and the switching component comprises a switching member, which drives the telescopic nozzles of the plurality of stages to retract backward to a retracted position to drive the switching activity of the switching member, thereby controlling the waterway to be connected with different spray holes.

The invention provides an electric generator shell assembly and a vehicle, the electric generator shell assembly comprises a first shell and a second shell, the first shell is provided with a first side and a second side opposite to the first side, the first side is connected to an engine cylinder block, a motor stator is fixedly connected to the second side, a first bearing hole is formed in the first shell, and a second bearing hole is formed in the second side of the first shell; the first bearing is used for mounting a motor shaft; the second shell is connected to the first shell, and an accommodating space is defined by the second shell and the first shell; the bearing supporting plate is fixed to the second shell, a second bearing hole is formed in the bearing supporting plate, and a second bearing of the motor shaft is installed in the second bearing hole. The generator shell assembly is light in overall weight, low in manufacturing cost, reasonable in space distribution, compact in structure and high in practicability. High strength, NVH (Noise Vibration and Harshness) performance and cooling performance are realized.

The invention discloses a waterway switching structure and a waterway switching method of a toilet and a human body cleaning device thereof. The waterway switching structure comprises: a nozzle unit, comprising a fixed nozzle and a plurality of telescopic nozzles which are sequentially sleeved and connected from the outside to the inside, wherein the front end of the last nozzle of the plurality of telescopic nozzles is provided with a spray hole connected to the waterway; a driving unit, comprising a driving member and a plurality of screws, wherein the number of the screws is the same as the number of the telescopic nozzles, wherein the driving member drives the telescopic nozzles of the plurality of stages to telescope through the screws of the plurality of stages, and when the nozzle unit is in the initial position, the driving member can drive the telescopic nozzles of the plurality of stages to retract backward to a retracted position relative to the fixed nozzle through the screws of the plurality of stages; and a switching assembly, which is arranged at the front end of the last nozzle, and drives the telescopic nozzles of the plurality of stages to retract backward to a retracted position each time so that the switching assembly drives the sliding member to switch between a first cleaning position and a second cleaning position once. The invention can reduce costs and has a simple and compact structure.

This utility model relates to the field of caliper assemblies, specifically a sensor assembly for calipers, a sensor assembly having the sensor assembly, and a caliper assembly, including a sensor body. The sensor body is connected to a first connector via a sensor wiring harness. The sensor assembly disclosed in this utility model externally connects the first connector via the sensor wiring harness. This arrangement not only facilitates subsequent insertion with a second connector but also avoids the first connector occupying the upper space of the sensor body, thereby reducing the axial space occupied by the first connector in the caliper assembly during subsequent use, which is not conducive to reducing the axial dimension of the caliper assembly.

The utility model relates to new energy vehicle technical field, concretely refers to a kind of drive axle motor, drive axle device and car, a kind of drive axle motor, including axle housing, support portion is equipped in axle housing, left drive shaft, right drive shaft are respectively fixedly connected with support portion via bearing, left drive shaft left end is left drive end, right drive shaft right end is right drive end, a kind of drive axle device, including above-mentioned the drive axle motor of described, left motor rotor is fixedly sleeved on left drive shaft, left motor stator is equipped on left motor rotor outside, right motor rotor is fixedly sleeved on right drive shaft, right motor stator is equipped on right motor rotor outside, left speed reducer is equipped on left drive shaft, right speed reducer is equipped on right drive shaft, a kind of car, including automobile chassis and control system, the frame of automobile chassis is equipped with above-mentioned the drive axle device of described, leaf spring both ends of shock-absorbing mechanism are respectively hinged with frame, the utility model axial space is small, suitable for small vehicle.

The invention provides a reliable winch, comprising a motor, a transmission shaft, a reduction mechanism, a drum, a steel wire rope, a bracket, an overload limiter, a controller and a counter. The motor output shaft and the reduction mechanism are connected by transmission through the transmission shaft, the reduction mechanism is connected by transmission with the drum to drive the steel wire rope to be wound on the drum, the overload limiter comprises a first coupling, a second coupling, a first friction plate, a second friction plate and an adjusting member, the load on the steel wire rope is P1, the friction force between the first friction plate and the second friction plate is P2, the adjusting member can adjust P2, when P1≤P2, the first friction plate drives the second friction plate to rotate synchronously, when P1>P2, the first friction plate and the second friction plate rotate relatively to disconnect the connection between the motor output shaft and the transmission shaft, the counter measures the disconnection times N1 of the overload limiter, the controller is provided with a preset times N2, when N1≥N2, it indicates that P2 needs to be readjusted, the controller controls the motor to cut off power, and the reliability of the winch is improved.

The invention discloses a single-phase brushless galvanometer motor and a working method thereof, and relates to the technical field of motor structures. Comprising a stator winding fixed on an inner ring of a stator, an outer ring of the stator is bonded with a casing, the left end of the stator is tightly attached to an inner diameter limiting step of the casing, and the front end of the casing is matched with a boss of a front end cover and is locked through a screw; a front bearing is placed in a bearing chamber of the front end cover; the rear end of the machine shell is attached to the rear end cover, the rear end cover and the rear cover plate are locked through screws, and a rear bearing is placed in a bearing chamber of the rear end cover. Existing parts are fully utilized, magnetic bar limiting and front shaft limiting are utilized to achieve magnetizing positioning and assembly installation positioning, front shaft limiting and front cover limiting grooves are utilized to achieve motor installation positioning and operation limiting, a magnetic chip is applied to motor position feedback, and the axial length of the motor is shortened by 10-15 mm.