WO2016175417A1 - 하이브리드 암 및 그 제조 방법 - Google Patents
하이브리드 암 및 그 제조 방법 Download PDFInfo
- Publication number
- WO2016175417A1 WO2016175417A1 PCT/KR2015/012629 KR2015012629W WO2016175417A1 WO 2016175417 A1 WO2016175417 A1 WO 2016175417A1 KR 2015012629 W KR2015012629 W KR 2015012629W WO 2016175417 A1 WO2016175417 A1 WO 2016175417A1
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- WIPO (PCT)
- Prior art keywords
- reinforcement
- reinforcing
- main body
- ball
- bearing member
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/005—Ball joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
- B60G2200/154—Independent suspensions with lateral arms the lateral arm having an L-shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/416—Ball or spherical joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/418—Bearings, e.g. ball or roller bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/013—Constructional features of suspension elements, e.g. arms, dampers, springs with embedded inserts for material reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/014—Constructional features of suspension elements, e.g. arms, dampers, springs with reinforcing nerves or branches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
- B60G2206/122—Constructional features of arms the arm having L-shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/70—Materials used in suspensions
- B60G2206/71—Light weight materials
- B60G2206/7104—Thermoplastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8101—Shaping by casting
- B60G2206/81012—Shaping by casting by injection moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/82—Joining
- B60G2206/8201—Joining by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/03—Reducing weight
Definitions
- the present invention relates to a hybrid arm and a method of manufacturing the same, and more particularly, to a hybrid arm and a method of manufacturing the ball joint is formed integrally.
- the suspension system of a vehicle is a device that connects wheels to a vehicle body, which includes a spring that absorbs a shock from a road surface, a shock absorber that controls the action of the spring, an arm or link that controls the operation of the wheel, and a vehicle. It consists of a stabilizer and the like to prevent the rolling.
- Suspension of the vehicle as described above is an important device for promoting ride comfort and running stability, mainly to stably support the vehicle body from the wheel while performing a function to suppress or quickly reduce the vibration provided from the wheel.
- Such a suspension device uses a lower arm that performs the function of connecting the wheel to the vehicle body and supporting it.
- FIG. 8 is a perspective view of a lower arm according to the prior art.
- the lower arm 1 As shown in Fig. 8, the lower arm 1 according to the prior art has a body mounting bush 10 (commonly referred to as A bush in the art) and a damping joint 20 (common in the art) at three ends. G bushing) and the ball joint 30 is coupled to.
- the vehicle body mounting bush 10 and the damping joint 20 are coupled to the vehicle body frame 2 by the respective assembly bolts 41 and 42, and the ball joint 30 is coupled to the knuckle of the wheel to upper Support the wheel with the arm.
- the damping joint 20 is an impact harshness, which is a one-time vibration generated after a shock sound when a tire of a driving vehicle passes through a projection of a road surface during random excitation delivered from the outside of the vehicle. Phenomena, shimmy phenomena that swing to the left and right in the direction in which the steering wheel of the vehicle is turning, and judder phenomena where noise or vibration occurs on the steering wheel or dash panel when braking force is generated during high-speed driving. At the same time preventive.
- FIG. 9 is a cross-sectional view of a ball joint according to the prior art.
- the ball joint 30 includes a housing 31, a bearing 32, a cap 33, a ball stud 34, and a dust cover 35.
- the housing 31 is typically formed of a metal material in order to maintain the strength of the ball bearing, and the upper and lower ends thereof are opened.
- Deformation portion 38 is integrally formed at the lower end of the housing 31.
- the bearing 32 is mounted inside the housing 31 and is typically made of a plastic material.
- the upper end of the bearing 32 is open, and a space is formed therein so that the ball 39 of the ball stud 34 is inserted.
- the cap 33 supports the lower portion of the bearing 32 to close the lower end of the housing 31. That is, the bearing 32 is located inside the housing 31 and the cap 33 blocks the lower end of the housing 31. At this time, the deformable portion 38 of the housing 31 protrudes below the cap 33, and the deformable portion 38 is assembled to the cap 33 in order to assemble the cap 33 to the housing 31. Caulking towards you.
- the ball stud 34 has a ball 39 which is inserted into the space of the bearing 32 and pivoted at one end thereof, and a thread 37 is formed at the other end thereof.
- the dust cover 35 is to prevent foreign matter from entering between the bearing 32 and the ball 39, and is generally made of a material having elasticity such as rubber.
- the dust cover 35 is inserted into the ball stud 34 and the housing. 31 is mounted on the top.
- the dust cover 35 includes a fixing member 36 for fixing the upper and lower ends thereof.
- the conventional ball joint as described above had to be used by manufacturing a metal housing as a casting and polishing the surface thereof, and an additional part for assembling the ball joint was used to increase the weight of the ball joint. Therefore, the weight of the vehicle, which typically uses several to tens of ball joints, increases not only the fuel economy of the vehicle, but also the conventional ball joint has to undergo an additional assembly process that is press-fitted to the lower arm, thus increasing the manufacturing time. There was a problem that the manufacturing cost is rising.
- the present invention is to solve the above problems, the problem to be solved by the present invention, the hybrid arm formed by inserting the second body and the housing into the first body coupled to the reinforcing material by the ball joint integrally formed And a method for producing the same.
- the first body is made of a metal material, a plurality of ends are formed; A second main body configured to fill an inner side of the first main body by insert injection into the first main body; And a ball joint integrally formed at a first end of the plurality of ends of the first body, wherein the ball joint includes: a reinforcing member coupled to the first end; A bearing member having a space formed therein; A ball stud including a ball rotatably inserted into a space of the bearing member and a rod extending upwardly of the ball; And a housing interposed between the reinforcing member and the bearing member and integrally formed with the second body.
- the reinforcing member may be formed through the hole toward the inside of the first body so that the molten plastic passes through.
- the inner circumferential surface of the stiffener may be formed with a recess along the circumferential direction.
- the bearing member may include a first bearing and a second bearing, and one of the first and second bearings may have a first protrusion having an inner circumferential surface protruding upward, and the other of the first and second bearings.
- a second protrusion corresponding to the first protrusion having an outer circumferential surface protruding downward may be formed.
- the housing may be formed by insert-injecting molten plastic into the reinforcement and the bearing member, support the outer circumferential surface of the bearing member, and surround the inner and outer circumferential surfaces of the reinforcement.
- An edge of the first body may extend downward to form first and second side reinforcement parts, and a lower end of the first side reinforcement part may extend to an inside of the first body to form a first extension part.
- a lower end of the second side reinforcement part may extend to the inside of the first body to form a second extension part, and the first and second extension parts may be formed to have a gradually wider area toward the reinforcement side.
- a first arc portion corresponding to the outer circumferential surface of the stiffener may be formed at the first end of the first body, and a first junction may be formed at one side of the first side reinforcement portion to contact the outer circumferential surface of the stiffener.
- One side of the first extension portion may be formed with a second arc portion corresponding to the outer circumferential surface of the reinforcement, one side of the second side reinforcement portion may be formed with a second joint portion to contact the outer circumferential surface of the reinforcement, the second One side of the extension may be formed with a third arc portion corresponding to the outer peripheral surface of the reinforcing material.
- the reinforcing material may be welded to the first arc portion, the first junction portion, the second arc portion, the second junction portion, and the third arc portion.
- the second body may be formed to surround the inner and outer sides of the first and second side reinforcement parts and the inner and outer sides of the first and second extension parts.
- the second main body may be formed of a heterogeneous material with the first main body, and a plurality of reinforcing ribs extending downward may be provided inside the second main body.
- a plurality of button holes may be formed in the first body, and a plurality of button parts may be formed integrally coupled to the plurality of button holes when the second body is inserted into the first body.
- Method of manufacturing a hybrid arm forming a first body by processing a metal plate; Coupling a reinforcement to the first end of the first body; Fixing a rod of a ball stud so that an outer circumferential surface of a bearing member is spaced apart from an inner circumferential surface of the stiffener; And insert-injecting the housing of the second body and the ball joint into the first body.
- the reinforcing member may have a through-hole formed to allow molten plastic to pass therethrough.
- the reinforcing member may face the inside of the first body. May be welded to the first end of the first body.
- the step of forming the first body by processing the metal plate material may include forming first and second side reinforcing parts extending downward of the first body by processing an edge of the metal plate material; And forming first and second extension parts by processing lower ends of the first and second side reinforcement parts.
- the ball joint may be integrally formed on the hybrid arm by insert-injecting the second body and the housing into the first body to which the reinforcing material is coupled. Accordingly, the assembly process of the ball joint can be eliminated to improve the manufacturability and reduce the manufacturing cost. In addition, the weight of the hybrid arm can be reduced since a separate cap part for the ball joint is not required.
- FIG. 1 is a front perspective view of a hybrid arm according to an embodiment of the present invention.
- FIG. 2 is a bottom perspective view of a first body according to an embodiment of the present invention.
- FIG. 3 is a view illustrating a portion A of FIG. 2.
- FIG. 4 is a bottom view of a hybrid arm in accordance with an embodiment of the present invention.
- FIG. 5 is a cross-sectional view illustrating part B of FIG. 1.
- FIG. 6 is a view for explaining the coupling of the first body and the reinforcing material according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a method of manufacturing a hybrid arm according to an embodiment of the present invention.
- FIG. 8 is a perspective view of a lower arm according to the prior art.
- FIG. 9 is a cross-sectional view of a ball joint according to the prior art.
- the hybrid arm and the method of manufacturing the same according to the embodiment of the present invention described above are applicable to all arm members to which the ball joint for a vehicle is mounted, and the following description will be given using the vehicle lower arm as an example.
- FIG. 1 is a front perspective view of a hybrid arm according to an embodiment of the present invention
- FIG. 2 is a bottom perspective view of a first body according to an embodiment of the present invention
- FIG. 3 is a view showing part A of FIG. 5 is a cross-sectional view of the bottom of the hybrid arm according to an embodiment of the present invention
- Figure 5 is a cross-sectional view showing part B of Figure 1
- Figure 6 is for explaining the coupling of the first body and the reinforcement according to an embodiment of the present invention
- 7 is a flowchart of a method for manufacturing a hybrid arm according to an embodiment of the present invention
- FIG. 8 is a perspective view of a lower arm according to the prior art
- FIG. 9 is a sectional view of a ball joint according to the prior art.
- the side where the hybrid arm 100 is connected to the knuckle of the wheel is 'one side', and when the side is connected to the body frame when installed to the body frame, the 'other side'.
- the direction from the hybrid arm 100 toward the ground is referred to as 'down', and the opposite direction is referred to as 'up'.
- the forward direction of the vehicle in which the hybrid arm 100 is installed is referred to as 'front', and the opposite direction is referred to as 'rear'.
- the hybrid arm 100 may be provided at one end of the first body 141, the second body 143, and the first body 141. It may include a ball joint 130 formed integrally.
- the first body 141 is made of a metal material.
- the first body 141 is generally formed in the shape of " ⁇ ".
- the first body 141 is generally formed in a plate shape.
- First ends are formed on one side of the first body 141, and second and third ends are formed on the other side of the first body. The second end is formed in front of the third end.
- the ball joint 130 is integrally formed at the first end of the first body 141.
- the hybrid arm 100 may be connected to the knuckle of the wheel via the ball joint 130.
- a reinforcement 135 is coupled to the first end of the first body 141.
- the reinforcement 135 has a cylindrical shape in which both top and bottom ends thereof are opened.
- a first arc portion 141a corresponding to the outer circumferential surface of the stiffener 135 is formed at the first end of the first body 141.
- the first arc portion 141a is formed to be concave so as to contact the outer circumferential surface of the reinforcing member 135.
- An arc-shaped center of the first circular arc part 141a may be positioned on a central axis of the reinforcing member 135.
- a bush hole 140a is formed at the second end of the first body 141.
- a mounting bush 110 may be inserted into the bush hole 140a to be connected to the vehicle body frame.
- a damping joint hole 140b is formed at the third end of the first body 141.
- a damping joint 120 may be inserted into the damping joint hole 140b to be connected to the vehicle body frame.
- a shock absorber 1411 is formed between the three ends of the first body 141 to penetrate the first body 141 in the vertical direction.
- the shock absorber 1411 may be installed with a shock absorber.
- a plurality of first button holes 1413a are formed at predetermined intervals between the first and second ends.
- a plurality of first button portions 1435a are integrally coupled to the plurality of first button holes 1413a.
- the plurality of first button portions 1435a may be formed by injecting molten plastic into the plurality of first button holes 1413a.
- a plurality of second button holes 1413b may be formed between the second end portion and the third end portion.
- a plurality of second button portions 1435b are integrally coupled to the plurality of second button holes 1413b.
- the plurality of second button portions 1435b may be formed by injecting molten plastic into the plurality of second button holes 1413b.
- Edges of the first body 141 extend downward to form first, second and third side reinforcement parts 1415a, 1415b, and 1415c.
- the first, second, and third side reinforcing parts 1415a, 1415b, and 1415c may be integrally formed by bending the edge of the first body 141 downward.
- the first, second, and third side reinforcing parts 1415a, 1415b, and 1415c may form side surfaces of the first body 141.
- the direction toward the portion surrounded by the first, second, and third side reinforcing parts 1415a, 1415b, and 1415c is referred to as an 'inner' of the first body 141, and the opposite direction is referred to as the first body ( It is referred to as 'outside' in 141).
- the first side reinforcement part 1415a is formed between the first end and the second end of the first body 141.
- One side of the first side reinforcing portion 1415a is formed such that the first joining portion 1417a is in contact with the outer circumferential surface of the reinforcing member 135.
- a lower end of the first side reinforcing part 1415a extends into the first body 141 to form a first extension part 1418a.
- a lower end of the first side reinforcing part 1415a may be bent into the first body 141.
- Cross sections of the first side reinforcing parts 1415a and the first extension parts 1418a may be formed in a “ ⁇ ” shape.
- One side of the first extension part 1418a is provided with a second arc portion 1421a corresponding to the outer circumferential surface of the reinforcing material 135.
- the second arc portion 1421a is formed to be concave so as to contact an outer circumferential surface of the reinforcing member 135.
- An arc-shaped center of the second circular arc part 1421a may be positioned on a central axis of the reinforcing member 135.
- the radius of curvature of the second arc portion 1421a may be the same as the radius of curvature of the first arc portion 141a.
- the first and second circular arc portions 141a and 1421a are spaced apart from each other.
- the first extension part 1419a may be formed in a shape in which an area gradually increases toward the reinforcing member 135.
- the second side reinforcement part 1415b is formed between the first and third ends of the first body 141.
- a second joining portion 1417b is formed to be in contact with an outer circumferential surface of the reinforcing member 135.
- a lower end of the second side reinforcing part 1415b extends into the first body 141 to form a second extension part 1418b.
- One side of the second extension part 1418b is provided with a third arc portion 1421b corresponding to the outer circumferential surface of the reinforcing material 135.
- the third arc portion 1421b is formed to be concave so as to contact the outer circumferential surface of the reinforcing material 135.
- An arc-shaped center of the third circular arc part 1421b may be positioned on a central axis of the reinforcing member 135.
- the radius of curvature of the third arc portion 1421b may be the same as the radius of curvature of the first arc portion 141a.
- the first and third arc portions 141a and 1421b are spaced apart from each other.
- the second extension part 1419b may be formed in a shape in which an area gradually increases toward the reinforcing member 135.
- the third side reinforcement part 1415c is formed between the second end and the third end of the first body 141. A lower end of the third side reinforcement part 1415c extends into the first body 141 to form a third extension part 1418c.
- the second body 143 may be made of a plastic material.
- the second body 143 may be formed of Glass Fiber Reinforced Plastic (GFRP).
- GFRP Glass Fiber Reinforced Plastic
- the second body 143 may be formed to have a shape of “ ⁇ ” by insert injection into the first body 141.
- a shock absorber 1431 corresponding to the shock absorber 1411 of the first main body 141 is formed to penetrate the second main body 143 in the vertical direction.
- the second body 143 is formed to fill the inside of the first body 141.
- the second body 143 has an inner side surface of the first, second and third side reinforcement portions 1415a, 1415b, and 1415c and an inner side surface of the first, second, and third extension portions 1419a, 1419b, and 1419c. It may be formed to surround.
- the second body 143 has an inner and an outer surface of the first, second, third, and side reinforcing parts 1415a, 1415b, and 1415c, and the first, second, and third extension parts 1419a, 1419b, and 1419c. It may be formed to surround both the inner and outer sides of the).
- the second body 143 is the first, second, third, side reinforcement.
- the inner and outer surfaces of the portions 1415a, 1415b, and 1415c and the inner and outer surfaces of the first, second, and third extension portions 1419a, 1419b, and 1419c are formed to surround both the first body 141 and the first, 2 main body 143 can be firmly coupled. That is, the separation of the second body 143 from the first body 141 can be prevented.
- the second main body 143 may prevent damage of the first side reinforcing portion 1415a of the first main body 141.
- a plurality of reinforcing ribs 1433 extending downward may be provided inside the second body 143.
- the plurality of reinforcing ribs 1433 may cross each other and be provided in a lattice form. Both sides of the reinforcing rib 1433 are coupled to inner surfaces of the first, second, and third side reinforcing parts 1415a, 1415b, and 1415c.
- the first side reinforcing rib 1433 when one side of the reinforcing rib 1433 is coupled to the first side reinforcing portion 1415a, the other side thereof is coupled to the second side reinforcing portion 1415b or the third side reinforcing portion 1415c.
- the plurality of reinforcing ribs 1433 may support the first, second, and third side reinforcing parts 1415a, 1415b, and 1415c, thereby preventing the first body 141 from being bent by an external force.
- the second body 143 may be formed of a different material from the first body 141.
- the volume ratio of the first body 141 may be in a range of 10% to 99%.
- the plurality of first button portions 1435a and the plurality of second button portions 1435b may be formed when the second main body 143 is inserted into the first main body 141. Since the plurality of first button portions 1435a and the plurality of second button portions 1435b are integrally coupled to the plurality of first button holes 1413a and the plurality of second button holes 1413b, the second The main body 143 may be prevented from being separated or shaken from the first main body 141.
- the ball joint 130 may include the reinforcement 135, the ball stud 137, the bearing member 131, and the housing 133.
- the reinforcement 135 is formed in a cylindrical shape.
- the reinforcing material 135 may be made of a metal material.
- the reinforcement 135 is coupled to the first end of the first body 141.
- the reinforcing material 135 is the first arc portion 141a, the first bonding portion 1417a, the second arc portion 1421a, the second bonding portion 1417b, and the third arc portion 1421b. Can be welded to.
- the reinforcing member 135 has a through-hole 1351 is formed toward the inside of the first body 141 so that the molten plastic passes.
- the molten plastic may flow through the through hole 1351 to a mold of the housing 133 to form a housing 133 surrounding the reinforcement 135.
- a recess 1353 may be formed on the inner circumferential surface of the stiffener 135.
- the concave portion 1353 may be formed along the circumferential direction on the lower inner circumferential surface of the reinforcing member 135. The molten plastic is inserted into the recess 1353 and solidified when the insert is injected into the housing 133, thereby increasing the bonding force between the reinforcing material 135 and the housing 133.
- a ball 1373 is formed at a lower end of the ball stud 137, and a rod 1371 having a cylindrical shape is integrally formed thereon.
- the ball 1373 has a spherical shape, and the rod 1372 extends above the ball 1373.
- the bearing member 131 has a cup shape having a space formed therein.
- the space is shaped like a sphere similar to the size of the ball 1373.
- the bearing member 131 has an upper end opening and a lower end closing.
- the ball 1373 of the ball stud 137 is inserted into the space of the bearing member 131 so as to be rotatable.
- the bearing member 131 may be made of a lubricated plastic material.
- the bearing member 131 may include a first bearing 131a and a second bearing 131b.
- the first bearing 131a may have a cup shape with an upper end opened and a lower end closed
- the second bearing 131b may have an annular shape with both an upper end and a lower end opened.
- a first protrusion 1311a having an inner circumferential surface protruding upward is formed at an upper end of the first bearing 131a.
- a second protrusion 1311b corresponding to the first protrusion 1311a having an outer circumferential surface protruding downward is formed at a lower end of the second bearing 131b.
- the first protrusion 1311a comes into close contact with the second protrusion 1311b to prevent molten plastic from infiltrating into the bearing member 131. Can be.
- the bearing member 131 is formed by combining the first and second bearings 131a and 131b, the ball 1373 of the ball stud 137 does not need to be press-fitted into the internal space of the bearing member 131. Damage to the member 131 can be prevented.
- the housing 133 is integrally formed with the second body 143.
- the housing may be interposed between the reinforcing member 135 and the bearing member 131 to support an outer circumferential surface of the bearing member 131.
- the housing 133 may be formed by insert molding molten plastic into the reinforcement 135 and the bearing member 131. That is, the housing 133 may be formed at the same time as the second body 143.
- the housing 133 may be provided to surround both the inner circumferential surface and the outer circumferential surface of the reinforcing material 135.
- a dust cover 139 may be mounted on an upper end of the housing 133 to prevent foreign matter such as dust or moisture from entering between the bearing member 131 and the ball 1373.
- the dust cover 139 may be made of a rubber material.
- the dust cover 139 may be fixed to the upper end of the housing 133 by the fixing member 132.
- the first main body 141 is formed by processing a metal plate serving as a material of the first main body 141 (ST110). The edges of the metal sheet are pressed to form first, second and third side reinforcement portions 415a, 1415b, and 1415c. When the first, second and third side reinforcement parts 415a, 1415b, and 1415c are molded, the lower ends of the first, second and third side reinforcement parts 415a, 1415b, and 1415c are processed to form the first and second side reinforcement parts 415a, 1415b, and 1415c. , 3 extensions 1415a, 1415b, and 1415c. The shock absorber 1411, the plurality of first button holes 1413a, and the plurality of second button holes 1413b are formed.
- the reinforcing material 135 is coupled to the first end of the first body 141 (ST120). Specifically, the reinforcing material 135 is the first arc portion 141a, the first bonding portion 1417a, the second arc portion 1421a, the second bonding portion 1417b, and the third arc portion 1421b. Can be welded to. In this case, the reinforcing member 135 may be coupled to the first body 141 such that the through hole 1351 of the reinforcing member 135 faces the inside of the first body 141.
- the first body 141 When the reinforcing material 135 is coupled to the first body 141, the first body 141 is placed in a pre-fabricated injection mold (ST130).
- the bearing member 131 to which the ball stud 137 is coupled is inserted into the reinforcement 135.
- the rod 1372 of the ball stud 137 is fixed such that an outer circumferential surface of the bearing member 131 is spaced apart from an inner circumferential surface of the reinforcing member 135. Accordingly, a space capable of flowing molten plastic may be formed between the outer circumferential surface of the bearing member 131 and the inner circumferential surface of the reinforcing member 135.
- the molten plastic is injected into the injection mold to insert and inject the housing 133 of the second body 143 and the ball joint 130 into the first body 141 (ST140).
- the molten plastic is formed on the inner and outer surfaces of the first, second, third, side reinforcement parts 1415a, 1415b, and 1415c of the second body 143, and the first, second, and third extension parts 1419a, 1419b, and
- the first body 141 and the second body 143 may be firmly coupled to each other after the inside and outside surfaces of the 1419c are solidified.
- the plurality of reinforcing ribs 1433 may be formed inside the second body 143.
- the molten plastic is flowed into the plurality of first button holes 1413a and the plurality of second button holes 1413b so that the plurality of first button portions 1435a and the plurality of second button portions 1435b are formed. Is formed. Accordingly, the second main body 143 may be prevented from being separated or shaken from the first main body 141.
- the molten plastic filling the inside of the first body 141 is solidified after flowing into the space formed between the outer circumferential surface of the bearing member 131 and the inner circumferential surface of the stiffener 135 through the through hole 1351,
- the ball joint 130 may be integrally formed with the hybrid arm 100.
- the ball joint ( 130 may be integrally formed. Accordingly, the assembly process of the ball joint 130 is eliminated to improve the manufacturability and reduce the manufacturing cost. In addition, since a separate cap part for the ball joint 130 is unnecessary, the weight of the hybrid arm 100 may be reduced.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vehicle Body Suspensions (AREA)
- Pivots And Pivotal Connections (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims (14)
- 금속 재질로 만들어지며, 복수 개의 단부가 형성되어 있는 제1 본체;상기 제1 본체에 인서트 사출됨으로써 상기 제1 본체의 내측을 채우도록 형성된 제2 본체; 그리고상기 제1 본체의 복수개의 단부 중 제1 단부에 일체로 형성된 볼 조인트;를 포함하되,상기 볼 조인트는,상기 제1 단부에 결합되는 보강재;내부에 공간이 형성된 베어링부재;상기 베어링부재의 공간에 회전 가능하게 삽입되는 볼과, 상기 볼의 상측으로 연장된 로드를 포함하는 볼 스터드; 그리고상기 보강재와 상기 베어링부재 사이에 개재되며, 상기 제2 본체와 일체로 형성되는 하우징;을 포함하는 하이브리드 암.
- 제1 항에 있어서,상기 보강재에는 용융된 플라스틱이 통과되도록 통공부가 상기 제1 본체의 내측을 향하여 형성되어 있는 것을 특징으로 하는 하이브리드 암.
- 제1 항에 있어서,상기 보강재의 내주면에는 원주 방향을 따라 오목부가 형성되어 있는 것을 특징으로 하는 하이브리드 암.
- 제1 항에 있어서,상기 베어링부재는 제1 베어링 및 제2 베어링을 포함하고,상기 제1, 2 베어링 중 하나에는 내주면이 상방으로 돌출된 제1 돌출부가 형성되고,상기 제1, 2 베어링 중 다른 하나에는 외주면이 하방으로 돌출된 상기 제1 돌출부에 대응하는 제2 돌출부가 형성되어 있는 것을 특징으로 하는 하이브리드 암.
- 제1 항에 있어서,상기 하우징은 상기 보강재와 상기 베어링부재에 용융된 플라스틱을 인서트 사출함으로써 형성되고, 상기 베어링부재의 외주면을 지지하며, 상기 보강재의 내주면 및 외주면을 감싸는 것을 특징으로 하는 하이브리드 암.
- 제1 항에 있어서,상기 제1 본체의 가장자리는 하방으로 연장되어 제1, 2 측면보강부가 형성되고,상기 제1 측면보강부의 하단은 상기 제1 본체의 내측으로 연장되어 제1 연장부가 형성되며,상기 제2 측면보강부의 하단은 상기 제1 본체의 내측으로 연장되어 제2 연장부가 형성되고,상기 제1, 2 연장부는 상기 보강재 측으로 갈수록 점차적으로 면적이 넓어지는 형태로 형성되는 것을 특징으로 하는 하이브리드 암.
- 제6 항에 있어서,상기 제1 본체의 상기 제1 단부에는 상기 보강재의 외주면에 대응하는 제1 원호부가 형성되고,상기 제1 측면보강부의 일측에는 상기 보강재의 외주면이 접하도록 제1 접합부가 형성되며,상기 제1 연장부의 일측에는 상기 보강재의 외주면에 대응하는 제2 원호부가 형성되고,상기 제2 측면보강부의 일측에는 상기 보강재의 외주면이 접하도록 제2 접합부가 형성되며,상기 제2 연장부의 일측에는 상기 보강재의 외주면에 대응하는 제3 원호부가 형성되어 있는 것을 특징을 하는 하이브리드 암.
- 제7 항에 있어서,상기 보강재는 상기 제1 원호부, 상기 제1 접합부, 상기 제2 원호부, 상기 제2 접합부, 및 상기 제3 원호부에 용접되는 것을 특징으로 하는 하이브리드 암.
- 제7 항에 있어서,상기 제2 본체는 상기 제1, 2 측면보강부의 내외측면 및 상기 제1, 2 연장부의 내외측면을 감싸도록 형성되는 것을 특징으로 하는 하이브리드 암.
- 제9 항에 있어서,상기 제2 본체는 상기 제1 본체와 이종 재질로 형성되고, 상기 제2 본체의 내측에는 하방으로 연장된 복수개의 보강리브가 구비되는 것을 특징으로 하는 하이브리드 암.
- 제1 항에 있어서,상기 제1 본체에는 복수개의 버튼공이 형성되어 있으며,상기 제2 본체가 상기 제1 본체에 인서트 사출될 때 상기 복수개의 버튼공에 일체로 결합되는 복수개의 버튼부가 형성되는 것을 특징으로 하는 하이브리드 암.
- 금속 재질로 만들어지며 복수 개의 단부가 형성되어 있는 제1 본체, 상기 제1 본체의 내측을 채우도록 형성된 제2 본체, 그리고 상기 제1 본체의 복수개의 단부 중 제1 단부에 일체로 형성된 볼 조인트를 포함하는 하이브리드 암의 제조 방법에 있어서,금속판재를 가공하여 상기 제1 본체를 성형하는 단계;상기 제1 본체의 상기 제1 단부에 보강재를 결합시키는 단계;베어링부재의 외주면이 상기 보강재의 내주면으로부터 이격되도록 볼 스터드의 로드를 고정시키는 단계; 그리고상기 제1 본체에 상기 제2 본체 및 상기 볼 조인트의 하우징을 인서트 사출시키는 단계;를 포함하는 하이브리드 암의 제조 방법.
- 제12 항에 있어서,상기 보강재에는 용융된 플라스틱이 통과되도록 통공부가 형성되어 있으며,상기 제1 본체의 상기 제1 단부에 상기 보강재를 결합시키는 단계에서는,상기 통공부가 상기 제1 본체의 내측을 향하도록 상기 보강재가 상기 제1 본체의 상기 제1 단부에 용접되는 것을 특징으로 하는 하이브리드 암의 제조 방법.
- 제12 항에 있어서,상기 금속판재를 가공하여 상기 제1 본체를 성형하는 단계는,상기 금속판재의 가장자리를 가공하여 상기 제1 본체의 하방으로 연장된 제1, 2 측면보강부를 성형하는 단계; 그리고상기 제1, 2 측면보강부의 하단을 가공하여 제1, 2 연장부를 성형하는 단계;를 포함하는 하이브리드 암의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP15890858.2A EP3290242A4 (en) | 2015-04-29 | 2015-11-24 | Hybrid arm and method for manufacturing same |
CN201580079272.8A CN107530924B (zh) | 2015-04-29 | 2015-11-24 | 混合臂及其制造方法 |
US15/569,951 US10442262B2 (en) | 2015-04-29 | 2015-11-24 | Hybrid arm and method of manufacturing same |
JP2018509714A JP2018516807A (ja) | 2015-04-29 | 2015-11-24 | ハイブリッドアーム及びその製造方法 |
Applications Claiming Priority (2)
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KR1020150060779A KR101732063B1 (ko) | 2015-04-29 | 2015-04-29 | 볼 조인트 일체형 자동차용 하이브리드 암 및 그 제조 방법 |
KR10-2015-0060779 | 2015-04-29 |
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WO2016175417A1 true WO2016175417A1 (ko) | 2016-11-03 |
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PCT/KR2015/012629 WO2016175417A1 (ko) | 2015-04-29 | 2015-11-24 | 하이브리드 암 및 그 제조 방법 |
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US (1) | US10442262B2 (ko) |
EP (1) | EP3290242A4 (ko) |
JP (1) | JP2018516807A (ko) |
KR (1) | KR101732063B1 (ko) |
CN (1) | CN107530924B (ko) |
WO (1) | WO2016175417A1 (ko) |
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- 2015-11-24 EP EP15890858.2A patent/EP3290242A4/en not_active Withdrawn
- 2015-11-24 CN CN201580079272.8A patent/CN107530924B/zh not_active Expired - Fee Related
- 2015-11-24 JP JP2018509714A patent/JP2018516807A/ja active Pending
- 2015-11-24 US US15/569,951 patent/US10442262B2/en active Active
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3564052A4 (en) * | 2016-12-27 | 2020-09-23 | Iljin Co., Ltd. | HYBRID SUSPENSION ARM FOR VEHICLES |
US11241928B2 (en) | 2016-12-27 | 2022-02-08 | Iljin Co., Ltd. | Hybrid suspension arm for vehicle |
EP3604837A4 (en) * | 2017-03-29 | 2021-01-13 | NHK Spring Co., Ltd. | BALL JOINT, STABILIZER CONNECTION WITH BALL JOINT AND STABILIZER WITH STABILIZER CONNECTION |
US11585372B2 (en) | 2017-03-29 | 2023-02-21 | Nhk Spring Co., Ltd. | Ball joint, stabilizer link using ball joint, and stabilizer assembly |
JP2019074132A (ja) * | 2017-10-16 | 2019-05-16 | 株式会社ソミック石川 | ボールジョイント及びその製造方法 |
JP7012345B2 (ja) | 2017-10-16 | 2022-01-28 | 株式会社ソミックマネージメントホールディングス | ボールジョイント及びその製造方法 |
Also Published As
Publication number | Publication date |
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CN107530924B (zh) | 2020-11-24 |
US20180154719A1 (en) | 2018-06-07 |
CN107530924A (zh) | 2018-01-02 |
EP3290242A1 (en) | 2018-03-07 |
JP2018516807A (ja) | 2018-06-28 |
US10442262B2 (en) | 2019-10-15 |
KR20160129200A (ko) | 2016-11-09 |
EP3290242A4 (en) | 2018-12-19 |
KR101732063B1 (ko) | 2017-05-08 |
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