The purpose of the present invention is to provide a strut suspension device which enhances the steering feeling by reducing the steering friction resistance during a turning operation of a steering wheel and is formed in a comparatively simple kinematic structure and thus reduces the number of components, reduces the manufacturing cost and provides a wide space for installing a main component such as an engine. An invention for implementing same, which is a strut suspension device for absorbing the shock and vibration transmitted to a vehicle body via vehicle wheels from the road, comprises: a strut to which a knuckle arm connecting a steering device of a vehicle and vehicle wheels is connected so as to relatively rotate when the steering device is turned, and which is provided between a vehicle body and the vehicle wheel; and a stabilizer link of which one end is connected to a stabilizer bar for increasing the roll stiffness of the vehicle body, and the other end is coupled so as to prevent the rotation of the strut.
B60G 15/06 - Resilient suspensions characterised by arrangement, location, or type of combined spring and vibration- damper, e.g. telescopic type having mechanical spring and fluid damper
The purpose of the present invention is to provide a tie rod of an automotive steering device which simplifies the structure of an outer ball joint, is not affected by a bending load, and is easy to perform a wheel alignment operation. To this end, the present invention comprises: an inner ball pin (110) having an inner ball (111) coupled to one end thereof and an inner coupling part (110a) formed on the other end thereof, the inner ball pin (110) having a horizontal length; an outer ball pin (120) having an outer coupling part (120a) formed on one end thereof to be coupled to the inner coupling part (110a), and an outer ball (121) coupled to the other end thereof, the outer ball pin (120) having a horizontal length; an inner ball housing (113) which receives the inner ball (111) in a horizontal direction so as to form an inner ball joint and is coupled to a rack bar (300) of a steering gear box in a horizontal state; and an outer ball housing (123) which receives the outer ball (121) in a horizontal direction so as to form an outer ball joint and is coupled to a knuckle coupling part (400) in a horizontal state.
The present invention relates to a vehicle link comprising, at both ends, a coupling means (300) which is coupled with a counterpart of a vehicle so as to be able to enable relative rotation, wherein the coupling means (300) comprises: a pair of coupling parts (120) which have a press-fitted and fixed coupler (121); a link frame part (100) which has a link rod (110) connecting the coupling part (120); and a link body part (200) which is injection-molded on the whole exposed surface of the link frame part (100) and the outer surface of the coupling means (300) and allows the coupling of the link frame part (100) and the coupling means (300) to be firm.
The purpose of the present invention is to provide a ball joint and a method for manufacturing the same, the method injection-molding a ball sheet using a ball stud having a spherical head portion, which has a non-spherical surface formed thereon, thereby simplifying the manufacturing process and improving productivity. In order to implement the purpose, a ball joint according to the present invention comprises: a ball stud (100) provided with a spherical head portion (110); a ball sheet (200) surrounding the outer peripheral surface of the spherical head portion (110) and allowing the ball stud (100) to play within an operating angle range; a cap (300) covering the spherical head portion (110) to form a sealed space between the cap (300) and the outer peripheral surface of the spherical head portion (110); and a socket (400) having an inner space, into which the spherical head portion (110), the ball sheet (200), and the cap (300) are inserted.
The present invention relates to a transmission and an in-wheel drive system for a vehicle comprising the transmission, and more specifically, to a transmission and an in-wheel drive system that can be easily reduced in size and can reduce transmission shock. One embodiment of the transmission according to the present invention comprises: a first input gear; a second input gear which is installed on the same axle but separated away from the first input gear; a plurality of third input gears that surround and engage with the first input gear; a plurality of fourth gears that surround engage with the second input gear; a fifth gear which is shaft-coupled to the second input gear and is provided with a gear on an outer circumference thereof; and a plurality of sixth gears that surround and engage with the fifth gear.
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/12 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
The present invention relates to an in-wheel drive system for a vehicle, and more specifically, to an in-wheel drive system that can be easily reduced in size. The in-wheel drive system for the vehicle, according to the present invention, may comprise: vehicle wheels, a transmission, a braking device, and a driving motor, wherein the diameter of the motor equal to or less than the outer diameter of the transmission.
The present invention relates to a transmission, an in-wheel drive system comprising same, and a method for manufacturing a transmission. One embodiment of the transmission according to the present invention comprises a clutch disk having on one surface a plurality of grooves. Also comprised can be a plurality of driving force transfer bodies, which are inserted into each of the plurality of grooves of the clutch disk, respectively, so that a portion of the driving force transfer bodies are exposed on the one side of the clutch disk.
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
B60K 7/00 - Disposition of motor in, or adjacent to, traction wheel
The present invention relates to a hybrid stabilizer link comprising: a mold for extruding a resin material and forming a socket into which a ball stud is inserted; a shaft portion, one end of which is inserted into the mold, wherein the socket is formed at the inserted end; and a control device capable of fixing a preformed socket to the other end of the shaft portion, adjusting the angle of rotation of the shaft portion with respect to the center of the length direction of the shaft portion, and adjusting a distance to the mold. The above-structured apparatus of the present invention, after a socket is injection molded on an end of a metal shaft having a certain length, enables the angle of a preformed socket shaft and a distance to the mold to be easily adjusted when injection molding the socket on the other end, and enables a hybrid stabilizer link having various distances between ball studs and angle differences to be manufactured using one mold, thereby reducing costs and the inconvenience of having to make a new mold every time the dimensions of the stabilizer link are changed.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
The present invention has the objective of providing a stabilizer link, and a method for manufacturing same, which may have a reduced number of components, improved sealing performance and strength between a plastic bearing and a tube so as to increase product value, and cost competitiveness secured through an improved manufacturing technique and reduced costs. To this end, the stabilizer link of the present invention comprises: a tube provided on both ends of a stabilizer shaft; a plastic bearing press fitted into the tube, and which has edge portions of a top end and bottom end thereof projecting toward the top surface and bottom surface, respectively, of the tube so that the plastic bearing is sealed against the tube; and a ball stud having a shoe portion thereof inserted into the plastic bearing so as to rotate in a predetermined angle of movement, wherein the bottom end edge portion of the plastic bearing is press-fitted into the bottom surface of the tube after being heated and melted.
B60G 21/05 - Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
F16F 15/00 - Suppression of vibrations in systemsMeans or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
10.
TRANSMISSION AND IN-WHEEL DRIVING SYSTEM FOR MOTOR VEHICLE WITH THE SAME
There is disclosed a transmission and an in-wheel driving system for a vehicle with the same, the transmission including a drive shaft rotated by a rotational torque; a clutch co-rotated with the drive shaft, the clutch held in axially slidable connection with the drive shaft and having a driving force transmitting mechanism formed at at least one face thereof; and a push rod connected to the clutch, the push rod moving the clutch in an axial direction.
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/12 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
B60K 17/00 - Arrangement or mounting of transmissions in vehicles
11.
TRANSMISSION AND IN-WHEEL DRIVING SYSTEM FOR MOTOR VEHICLE WITH THE SAME
There is disclosed a transmission and an in-wheel driving system for a vehicle with the same, the transmission including a drive shaft rotated by a rotational torque; a clutch co-rotated with the drive shaft, the clutch held in axially slidable connection with the drive shaft and having a driving force transmitting mechanism formed at at least one face thereof; and a push rod connected to the clutch, the push rod moving the clutch in an axial direction.
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/12 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
B60K 17/00 - Arrangement or mounting of transmissions in vehicles
The present invention relates to a cross-axis ball joint comprising: a ball stud, the center of which has a spherical portion; a ball seat which is made of a resin material and which is arranged at the center of the ball stud so as to cover the spherical portion; and a dust cover for protecting the ball seat and the ball stud from foreign substances. The thus-configured cross-axis ball joint of the present invention is advantageous in that a socket and the ball seat are formed into a unitary body to simplify the structure of the ball joint and reduce manufacturing costs. The socket and the ball seat are formed into a unitary body through an injection molding process such that the center of the unitary body is divided, thus enabling easy assembly and reducing manufacturing costs.
The present invention relates to a heat treatment method for aluminium hot forging, comprising the steps of: a) producing a forged article by forging and trimming a heated starting material; b) raising the temperature to a temperature allowing solid solution treatment while residual heat remains in the forged article; c) subjecting the forged article, of which the temperature has been raised, to a solid solution treatment; and d) subjecting the forged article, which has undergone the solid solution treatment, to water cooling and an ageing treatment. The thus-configured present invention is a heat treatment method for aluminium hot forging in which the temperature of the forged article is raised to the solid solution treatment temperature and the forged article is subjected to a solid solution treatment without being air-cooled after hot forging, thereby giving the advantageous effect that the time needed to raise the temperature to the solid solution treatment temperature after air cooling is shortened and productivity is increased.
C22F 1/04 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
14.
APPARATUS AND METHOD FOR MANUFACTURING A BALL JOINT
It is an aim of the present invention to provide an apparatus and a method for manufacturing a ball joint which can reduce torque generated between a ball stud and a ball seat. For this purpose, the present invention comprises an upper mold, the interior of which is shaped for injection-molding a ball seat made of synthetic resin materials and covers an outer surface of a spherical head portion of the ball stud; a lower mold which is arranged below the upper mold and which has a molding surface for forming a portion of the ball seat; a fixing jig for fixing the ball stud at the molding location of the upper mold and the lower mold; and a rotating member for rotating the fixing jig.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints
15.
METHOD FOR MANUFACTURING A BALL JOINT AND A BALL SEAT
It is an object of the present invention to provide a method for manufacturing a ball seat, which reduces frictional force acting between a ball stud and the ball seat to reduce a torque of a ball joint, and improves performance of the ball joint as a spheroid joint to enhance ride comfort and steering performance of a vehicle. To accomplish this, the method for manufacturing a ball seat having a spherical inner surface where a ball stud serving as a spheroid joint is mounted, said method comprising the steps of: a) allowing the machining part of a mold core, for forming the spherical inner surface of the ball seat, to have a plurality of dense dimples which are irregularly formed by an etching process caused through the reaction with a chemical solution; and b)forming the spherical inner surface of the ball seat by using the mold core having a surface with said irregular dimples.
Provided are a novel ball joint integrated aluminum control arm and a method of fabricating the same, capable of remarkably reducing manufacturing costs and initial investment costs in comparison with a general forging or casting/forging method, and substantially satisfying an elongation of a caulking part of a ball joint socket required in the ball joint integrated aluminum control arm. The method of fabricating a ball joint integrated aluminum control arm for an automobile, in which a ball joint socket is integrally formed with a body, includes: fabricating an intermediate article in which the ball joint socket is integrally formed with the body through casting; heating the intermediate article to be forged; and partially forging the ball joint socket part of the intermediate article.
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