CN113386510A - Ball head pin structure, front steering knuckle assembly and automobile chassis assembly - Google Patents
Ball head pin structure, front steering knuckle assembly and automobile chassis assembly Download PDFInfo
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- CN113386510A CN113386510A CN202110874545.5A CN202110874545A CN113386510A CN 113386510 A CN113386510 A CN 113386510A CN 202110874545 A CN202110874545 A CN 202110874545A CN 113386510 A CN113386510 A CN 113386510A
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- 239000000428 dust Substances 0.000 claims description 45
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000013011 mating Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000012938 design process Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 3
- 235000011613 Pinus brutia Nutrition 0.000 description 3
- 241000018646 Pinus brutia Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 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
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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Abstract
The application discloses bulb round pin structure, preceding knuckle assembly and vehicle chassis subassembly relates to car structural design technical field, bulb round pin structure for knuckle and control arm before connecting, bulb round pin structure includes: the ball pin base comprises a pin base main body and two connecting arms symmetrically arranged on the outer wall of the pin base main body; the pin boss main body is provided with a spherical groove, and the connecting arm is used for connecting a front steering knuckle; the main pin is provided with a ball at one end, and the ball can be rotatably matched with the spherical groove of the pin base main body; the other end is used for matching and fixing on the control arm. The front steering knuckle assembly comprises a front steering knuckle body and a ball stud structure. The automobile chassis component comprises a control arm and a front steering knuckle assembly. The utility model provides a bulb round pin structure, preceding control arm assembly and vehicle chassis subassembly, bulb round pin structure can dismantle the maintenance alone, and it is good to satisfy lightweight design and structural stability.
Description
Technical Field
The application relates to the technical field of automobile structural design, in particular to a ball head pin structure, a front steering knuckle assembly and an automobile chassis assembly.
Background
In an automobile structure, a suspension ball stud is used as a key bearing structure of an automobile chassis and plays a role in bearing, starting, stopping and connecting a front steering knuckle and a control arm. At present, a suspension ball stud has two structural modes, namely an integrated structure and an independent structure.
Specifically, as shown in fig. 1, a first ball stud 1a of an integrated structure is integrated at one end of the control arm, and is integrated with the control arm structure. As shown in fig. 2, the second ball stud 2a of the single structure is additionally provided with a connecting plate, the second ball stud 2a is fixedly connected to the control arm through the connecting plate, and when the second ball stud 2a is damaged, the second ball stud can be detached and maintained independently.
However, the first ball stud 1a with the integrated structure needs to replace the whole control arm after the internal parts of the ball are damaged, so that the maintenance cost is high; second bulb round pin 2a of free-standing structure passes through the connecting plate fixedly, has increased the connecting plate structure, has increaseed weight, is unfavorable for lightweight design demand, simultaneously, is fixed in control arm, structural stability is poor with first bulb round pin 1a with a small connecting plate.
Disclosure of Invention
To the defect that exists among the prior art, the aim at of this application provides a bulb round pin structure, preceding control arm assembly and vehicle chassis subassembly, and maintenance can be dismantled alone to bulb round pin structure, and it is good to satisfy lightweight design and structural stability.
In order to achieve the above purposes, on one hand, the technical scheme is as follows: a ball stud structure for connecting a front knuckle and a control arm, the ball stud structure comprising:
the ball pin base comprises a pin base main body and two connecting arms symmetrically arranged on the outer wall of the pin base main body; the pin boss main body is provided with a spherical groove, and the connecting arm is used for connecting a front steering knuckle;
the main pin is provided with a ball at one end, and the ball can be rotatably matched with the spherical groove of the pin base main body; the other end is used for matching and fixing on the control arm.
On the basis of the technical scheme, the main pin is sequentially divided into three sections, namely a ball body, a conical section and a threaded section, the conical section is used for being matched with a conical hole of the control arm, and the threaded section is used for being fixed with the control arm through a nut.
On the basis of the technical scheme, the two connecting arms are provided with mounting holes, and the two mounting holes correspond to the positions of the connecting holes of the front steering knuckle.
On the basis of the technical scheme, the ball pin structure further comprises a rubber dust cover, the rubber dust cover is arranged at the top of the pin base main body, and the main pin penetrates through the top wall of the rubber dust cover.
On the basis of the technical scheme, the minimum thickness of the top wall and the bottom wall of the pin boss main body is larger than the minimum thickness of the side wall of the pin boss main body.
The application also discloses an embodiment of the front steering knuckle assembly, wherein the front steering knuckle assembly comprises a front steering knuckle body and the ball pin structure, and the edge of the front steering knuckle body is provided with a U-shaped through hole to form two steering mounting legs which are parallel at intervals;
the two steering mounting legs are provided with threaded holes and fixedly connected with the two connecting arms of the ball pin seat one by one through bolts; the kingpin of the ball stud structure is oriented opposite to the steering mounting leg.
On the basis of the technical scheme, the main pin is sequentially divided into three sections, namely a ball body, a conical section and a threaded section, the conical section is used for being matched with a conical hole of the control arm, and the threaded section is used for being fixed with the control arm through a nut.
On the basis of the technical scheme, the two connecting arms are provided with mounting holes, and the two mounting holes correspond to the two threaded holes of the steering mounting legs one to one and are fixedly connected through bolts.
On the basis of the technical scheme, the ball pin structure further comprises a rubber dust cover, the rubber dust cover is arranged at the top of the pin base main body, and the main pin penetrates through the top wall of the rubber dust cover; the minimum thickness of the top wall and the bottom wall of the pin holder main body are both larger than the minimum thickness of the side wall of the pin holder main body.
The application also discloses an embodiment of the automobile chassis component, the automobile chassis component comprises a control arm and the front steering knuckle assembly, and one end of the control arm is provided with a tapered hole; and one end of the main pin, which is opposite to the ball body, is provided with an external thread which passes through the tapered hole, and the control arm is fixed on the main pin by a nut.
The beneficial effect that technical scheme that this application provided brought includes:
1. the utility model provides a ball head pin structure, ball head pin structure are used for connecting preceding knuckle and control arm, and ball head pin structure includes ball key seat and king pin, and the ball key seat includes key seat main part and two linking arms, and spherical groove is seted up to the key seat main part, and two linking arm symmetries set up in key seat main part outer wall both sides, and the linking arm is used for connecting preceding knuckle. One end of the main pin is a ball body which can be rotatably matched with the spherical groove of the pin base main body, and the other end of the main pin is used for matching and fixing the control arm.
The ball pin structure can be detached and maintained independently, the technical problem that a first ball pin of an integrated structure is inconvenient to maintain is solved, and the ball pin structure is not additionally provided with an additional connecting piece for fixing, so that the light-weight design requirement is met; the connecting arm of the ball pin structure is directly connected with the front steering knuckle, the end part of the main pin is directly connected with the control arm, no additional structure is additionally arranged, and the structure is stable and reliable.
2. The utility model provides a bulb round pin structure, king pin divide into the three-section in proper order, are spheroid, toper section and screw thread section respectively, and the toper section is used for matching the bell mouth of control arm, and the screw thread section is used for fixing through nut and control arm. After the conical section passes through the conical hole of the control arm, the thread section is exposed outwards, and the nut is screwed on the exposed thread section for fastening; the conical section of this application and the bell mouth phase-match of control arm to utilize the nut to carry out fixed connection, increased the connection area of contact of control arm with bulb round pin structure, further increased connection stability.
3. The utility model provides a bulb round pin structure, bulb round pin structure still contain the rubber dust cover, and the rubber dust cover sets up in the top of key seat main part, and the swizzle passes the rubber dust cover roof. The rubber dust cover can play dustproof rust-resistant effect of losing of preventing dust, not only can promote the life of bulb round pin structure, and the rubber dust cover can also provide certain constraining force for the swizzle, can further promote the swizzle from ball round pin seat anticreep performance.
4. The utility model provides a bulb round pin structure, ball key seat contain key seat main part and two linking arms, and spherical groove is seted up to the key seat main part, and the minimum thickness of key seat main part roof and diapire all is greater than the minimum thickness of key seat main part lateral wall.
In the process of actual structure design, the structure wrapping area of the ball body of the kingpin along the axial direction of the kingpin is large, so that the kingpin is prevented from falling off; and the lateral force borne by the ball body of the main pin (towards the connecting arm) is relatively small, the lateral wrapping structure can be weakened appropriately, and the design thickness of the lateral wrapping structure is relatively small. The application of the pin boss main body of the ball pin boss is characterized in that the structural design of the pin boss main body is carried out according to the actual stress condition, the lightweight design can be realized under the condition of meeting the structural strength, the thickness of the side wall of the pin boss main body is properly reduced, and the weight is reduced.
5. According to the front steering knuckle assembly, the front steering knuckle assembly comprises a front steering knuckle body and a ball pin structure, wherein a U-shaped through hole is formed in the edge of the front steering knuckle body to form two steering mounting legs which are parallel at intervals; the two steering mounting legs are provided with threaded holes and fixedly connected with the two connecting arms of the ball pin seat one by one; the kingpin of the ball stud structure is oriented opposite the steering mounting leg after attachment.
The front steering knuckle assembly comprises a front steering knuckle body and the ball head pin structure, wherein a U-shaped through hole is formed in the edge of the front steering knuckle body, two steering mounting legs which are parallel at intervals are formed, and the purpose of light weight design is further achieved. The steering mounting leg which extends outwards independently has poor structural stability, but forms a closed U-shaped through hole after being connected with the ball pin structure, and the central line of the closed U-shaped through hole forms a configuration line similar to a rectangle, so that the structural stability is further enhanced, the strength of the whole structure is increased, the purpose of light weight design is realized, and the structure is more stable and reliable and is ingenious in design.
6. The automobile chassis component comprises a control arm and a front steering knuckle assembly, wherein a tapered hole is formed in one end of the control arm; and one end of the main pin, which is opposite to the ball body, is provided with an external thread which passes through the tapered hole, and the control arm is fixed on the main pin by a nut.
The utility model provides an automobile chassis subassembly, the steering installation leg and the bulb round pin structure of preceding knuckle assembly form confined U-shaped through-hole, and the swizzle of bulb round pin structure is towards the inside of sealing the U-shaped through-hole, the control arm passes through the conical surface cooperation back with the swizzle, through the screw-thread fastening, when the car moves, the swizzle can rotate ball round pin seat relatively, the tip of control arm rotates in the inside of sealing the U-shaped through-hole, further restricted the control arm to the direction motion of keeping away from the swizzle, prevent the pine and take off, the security of driving is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional integrated first ball stud mounted to a control arm;
FIG. 2 is a schematic view of a second ball stud of a conventional stand-alone configuration mounted to a control arm;
FIG. 3 is an exploded view of an automotive chassis assembly according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a front knuckle assembly according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a ball stud structure according to an embodiment of the present application;
FIG. 6 is a cross-sectional view of FIG. 5;
reference numerals: 1. a ball stud structure; 2. a front knuckle body; 3. a control arm; 11. a ball pin seat; 12. a kingpin; 13. a rubber dust cover; 110. a pin boss body; 111. a connecting arm; 1110. mounting holes; 120. a sphere; 121. a tapered section; 122. a threaded segment; 21. a steering mounting leg; 22. a build line.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 5, the present application discloses an embodiment of a ball stud structure, the ball stud structure is used for connecting a front knuckle and a control arm, the ball stud structure includes a ball stud receptacle 11 and a main pin 12, the ball stud receptacle 11 includes a stud receptacle main body 110 and two connecting arms 111, the stud receptacle main body 110 is provided with a spherical groove, the two connecting arms 111 are symmetrically arranged on two sides of an outer wall of the stud receptacle main body 110, and the connecting arms 111 are used for connecting the front knuckle.
The kingpin 12 has a ball 120 at one end, the ball 120 rotatably engaged with the spherical groove of the housing body 110, and the other end for engaging with the fixed control arm.
The ball pin structure can be detached and maintained independently, the technical problem that a first ball pin of an integrated structure is inconvenient to maintain is solved, and the ball pin structure is not additionally provided with an additional connecting piece for fixing, so that the light-weight design requirement is met; the connecting arm 111 of the ball stud structure is directly connected with the front steering knuckle, and the end part of the main stud 12 is directly connected with the control arm, so that the structure is stable and reliable.
As shown in FIG. 6, in one embodiment, kingpin 12 has a ball 120 at one end, ball 120 rotatably mating with a spherical recess in housing body 110 and the other end for mating with a stationary control arm. The kingpin 12 is sequentially divided into three segments, namely a ball 120, a tapered segment 121 and a threaded segment 122, wherein the tapered segment 121 is used for matching with a tapered hole of the control arm, and the threaded segment 122 is used for fixing with the control arm through a nut. Specifically, after the tapered section 121 passes through the tapered hole of the control arm, the threaded section 122 is exposed outward, and the nut is tightened on the exposed threaded section 122 for fastening.
The conical section 121 of this application and the bell mouth phase-match of control arm to utilize the nut to carry out fixed connection, increased the connection area of contact of control arm with bulb round pin structure, make to connect more reliable and more stable.
In one embodiment, the ball stud structure includes a ball stud receptacle 11 and a main stud 12, the ball stud receptacle 11 includes a receptacle body 110 and two connecting arms 111, the receptacle body 110 is formed with a spherical groove, the two connecting arms 111 are symmetrically disposed on two sides of an outer wall of the receptacle body 110, and the connecting arms 111 are used for connecting a front knuckle. Specifically, the two connecting arms 111 are provided with mounting holes 1110, and the two mounting holes 1110 correspond to the positions of the connecting holes of the front knuckle. After the mounting hole 1110 is aligned with the coupling hole of the front knuckle, fastening is performed by a long bolt.
Further, the ball stud structure 1 further comprises a rubber dust cover 13, the rubber dust cover 13 is disposed on the top of the stud base body 110, and the main stud 12 penetrates through the top wall of the rubber dust cover 13. The rubber dust cover 13 can play a role in preventing dust and rust. The rubber dust cover 13 of this application not only can promote ball stud structure 1's life, and rubber dust cover 13 can also provide certain confining force for king pin 12, can further promote king pin 12 from anti-escape performance in ball pin seat 11.
In one embodiment, the ball housing 11 comprises a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical recess. Specifically, the pin boss body 110 is a cylinder, and the spherical groove is opened at the midpoint of the cylinder. The ball 120 of the main pin 12 is connected and matched with the spherical groove which is arranged at the center of the cylinder, so that the anti-falling performance of the main pin 12 from the ball pin seat 11 can be greatly improved.
In one embodiment, the ball housing 11 includes a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical recess, and the minimum thickness of the top and bottom walls of the housing body 110 being greater than the minimum thickness of the side walls of the housing body 110. In the actual structural design process, the structural wrapping area of the ball 120 of the kingpin 12 along the axial direction of the kingpin 12 is large, so that the kingpin 12 is prevented from falling off; while the lateral direction (toward the connecting arm 111) of the ball 120 of the kingpin 12 is subjected to relatively small lateral forces, the lateral wrapping structure may be suitably weakened to have a relatively small thickness. The pin boss main body of the ball pin boss 11 of the present application, the structural design of the pin boss main body 110 is performed according to the actual stress situation, and the lightweight design can be realized under the condition that the structural strength is satisfied, and the thickness of the side wall of the pin boss main body 110 is appropriately reduced, so that the weight is reduced.
Further, in order to further reduce the weight, the ball pin seat 11 and the main pin 12 of the ball pin structure of the present application are both made of an aluminum alloy material. The aluminum alloy material has better strength and rigidity and light weight.
The application also discloses an embodiment of the front steering knuckle assembly, the front steering knuckle assembly comprises a front steering knuckle body 2 and the ball pin structure, the edge of the front steering knuckle body 2 is provided with a U-shaped through hole, and two steering mounting legs 21 which are parallel at intervals are formed; the two steering mounting legs 21 are provided with threaded holes, and the two steering mounting legs 21 are fixedly connected with the two connecting arms 111 of the ball pin base 11 one by one; the kingpin 12 of the ball stud arrangement is oriented opposite the steering mounting leg 21 after attachment.
Preferably, the length of the steering leg 21 is greater than the length of the kingpin 12 of the ball stud configuration.
The front steering knuckle assembly comprises a front steering knuckle body 2 and the ball head pin structure, wherein a U-shaped through hole is formed in the edge of the front steering knuckle body 2, two steering mounting legs 21 which are parallel at intervals are formed, and the purpose of light weight design is further achieved. Meanwhile, the steering mounting leg 21 which extends outwards independently has poor structural stability, but after the steering mounting leg is connected with the ball stud structure, a closed U-shaped through hole is formed, and the central line of the closed U-shaped through hole forms a configuration line 22 similar to a rectangle, so that the structural stability is further enhanced, the strength of the whole structure is increased, the purpose of light weight design is realized, and the structure is more stable and reliable.
With respect to the front knuckle assembly, as shown in FIG. 6, in one embodiment, the kingpin 12 has a ball 120 at one end, the ball 120 rotatably mating with a spherical recess in the housing body 110 and the other end for mating with a fixed control arm. The kingpin 12 is sequentially divided into three segments, namely a ball 120, a tapered segment 121 and a threaded segment 122, wherein the tapered segment 121 is used for matching with a tapered hole of the control arm, and the threaded segment 122 is used for fixing with the control arm through a nut. Specifically, after the tapered section 121 passes through the tapered hole of the control arm, the threaded section 122 is exposed outward, and the nut is tightened on the exposed threaded section 122 for fastening.
The conical section 121 of this application and the bell mouth phase-match of control arm to utilize the nut to carry out fixed connection, increased the connection area of contact of control arm with bulb round pin structure, make to connect more reliable and more stable.
In one embodiment, regarding the front steering knuckle assembly, the ball stud structure includes a ball stud receptacle 11 and a main stud 12, the ball stud receptacle 11 includes a stud receptacle body 110 and two connecting arms 111, the stud receptacle body 110 is formed with a spherical groove, the two connecting arms 111 are symmetrically disposed on two sides of an outer wall of the stud receptacle body 110, and the connecting arms 111 are used to connect the front steering knuckle. Specifically, the two connecting arms 111 are provided with mounting holes 1110, and the two mounting holes 1110 correspond to the threaded holes of the two steering mounting legs 21 one to one and are fixedly connected by bolts. After the mounting hole 1110 is aligned with the coupling hole of the front knuckle, fastening is performed by a long bolt.
Further, regarding the front knuckle assembly, the ball stud structure 1 further includes a rubber dust cover 13, the rubber dust cover 13 is disposed on the top of the stud base body 110, and the kingpin 12 penetrates through the top wall of the rubber dust cover 13. The rubber dust cover 13 can play a role in preventing dust and rust. The rubber dust cover 13 of this application not only can promote ball stud structure 1's life, and rubber dust cover 13 can also provide certain confining force for king pin 12, can further promote king pin 12 from anti-escape performance in ball pin seat 11.
In one embodiment, with respect to the front steering knuckle assembly, the ball housing 11 includes a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical slot. Specifically, the pin boss body 110 is a cylinder, and the spherical groove is opened at the midpoint of the cylinder. The ball 120 of the main pin 12 is connected and matched with the spherical groove which is arranged at the center of the cylinder, so that the anti-falling performance of the main pin 12 from the ball pin seat 11 can be greatly improved.
In one embodiment, with respect to the front steering knuckle assembly, the ball housing 11 includes a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical recess, and the minimum thickness of the top and bottom walls of the housing body 110 being greater than the minimum thickness of the side walls of the housing body 110. In the actual structural design process, the structural wrapping area of the ball 120 of the kingpin 12 along the axial direction of the kingpin 12 is large, so that the kingpin 12 is prevented from falling off; while the lateral direction (toward the connecting arm 111) of the ball 120 of the kingpin 12 is subjected to relatively small lateral forces, the lateral wrapping structure may be suitably weakened to have a relatively small thickness. The pin boss main body of the ball pin boss 11 of the present application, the structural design of the pin boss main body 110 is performed according to the actual stress situation, and the lightweight design can be realized under the condition that the structural strength is satisfied, and the thickness of the side wall of the pin boss main body 110 is appropriately reduced, so that the weight is reduced.
Further, with regard to the front knuckle assembly, in order to further reduce the weight, the ball pin seat 11 and the king pin 12 of the ball pin structure of the front knuckle assembly of the present application are both made of an aluminum alloy material. The aluminum alloy material has better strength and rigidity and light weight.
As shown in fig. 3, the present application further discloses an embodiment of an automobile chassis component, which includes a control arm 3 and the above-mentioned front knuckle assembly, wherein a tapered hole is formed at one end of the control arm 3; the end of the kingpin 12 opposite the ball 120 is provided with an external thread which passes through a tapered bore and secures the control arm 3 to the kingpin 12 with a nut.
The utility model provides an automobile chassis subassembly, preceding knuckle assembly turn to installation leg 21 and bulb round pin structure and form confined U-shaped through-hole, and the swizzle 12 of bulb round pin structure is towards the inside of sealing the U-shaped through-hole, control arm 3 passes through the conical surface cooperation back with swizzle 12, through the screw-thread fastening, during the car operation, swizzle 12 can rotate ball key seat 11 relatively, the tip of control arm 3 rotates in the inside of sealing the U-shaped through-hole, further prevent the pine and take off, the security of formation has been improved.
With respect to the vehicle chassis assembly, as shown in FIG. 6, in one embodiment, kingpin 12 has a ball 120 at one end, ball 120 rotatably mating with a spherical recess in keyway body 110, and the other end for mating with a fixed control arm. The kingpin 12 is sequentially divided into three segments, namely a ball 120, a tapered segment 121 and a threaded segment 122, wherein the tapered segment 121 is used for matching with a tapered hole of the control arm, and the threaded segment 122 is used for fixing with the control arm through a nut. Specifically, after the tapered section 121 passes through the tapered hole of the control arm, the threaded section 122 is exposed outward, and the nut is tightened on the exposed threaded section 122 for fastening.
About vehicle chassis subassembly, the taper section 121 of this application and the bell mouth phase-match of control arm to utilize the nut to carry out fixed connection, increased the connection area of contact of control arm with bulb round pin structure, make to connect more reliable and more stable.
Regarding the vehicle chassis assembly, in one embodiment, the ball stud structure includes a ball stud receptacle 11 and a main stud 12, the ball stud receptacle 11 includes a stud receptacle body 110 and two connecting arms 111, the stud receptacle body 110 is formed with a spherical groove, the two connecting arms 111 are symmetrically disposed on two sides of an outer wall of the stud receptacle body 110, and the connecting arms 111 are used for connecting a front knuckle. Specifically, the two connecting arms 111 are provided with mounting holes 1110, and the two mounting holes 1110 correspond to the threaded holes of the two steering mounting legs 21 one to one and are fixedly connected by bolts. After the mounting hole 1110 is aligned with the coupling hole of the front knuckle, fastening is performed by a long bolt.
With respect to the automobile chassis assembly, further, the ball stud structure 1 further includes a rubber dust cover 13, the rubber dust cover 13 is disposed on the top of the stud base body 110, and the kingpin 12 penetrates through the top wall of the rubber dust cover 13. The rubber dust cover 13 can play a role in preventing dust and rust. The rubber dust cover 13 of this application not only can promote ball stud structure 1's life, and rubber dust cover 13 can also provide certain confining force for king pin 12, can further promote king pin 12 from anti-escape performance in ball pin seat 11.
With respect to the automotive chassis assembly, in one embodiment, the ball housing 11 includes a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical recess. Specifically, the pin boss body 110 is a cylinder, and the spherical groove is opened at the midpoint of the cylinder. The ball 120 of the main pin 12 is connected and matched with the spherical groove which is arranged at the center of the cylinder, so that the anti-falling performance of the main pin 12 from the ball pin seat 11 can be greatly improved.
With respect to the automotive chassis assembly, in one embodiment, the ball housing 11 includes a housing body 110 and two connecting arms 111, the housing body 110 defining a spherical recess, and the minimum thickness of the top and bottom walls of the housing body 110 being greater than the minimum thickness of the side walls of the housing body 110. In the actual structural design process, the structural wrapping area of the ball 120 of the kingpin 12 along the axial direction of the kingpin 12 is large, so that the kingpin 12 is prevented from falling off; while the lateral direction (toward the connecting arm 111) of the ball 120 of the kingpin 12 is subjected to relatively small lateral forces, the lateral wrapping structure may be suitably weakened to have a relatively small thickness. The pin boss main body of the ball pin boss 11 of the present application, the structural design of the pin boss main body 110 is performed according to the actual stress situation, and the lightweight design can be realized under the condition that the structural strength is satisfied, and the thickness of the side wall of the pin boss main body 110 is appropriately reduced, so that the weight is reduced.
With respect to the automotive chassis assembly, further, in order to further reduce the weight, the ball pin seat 11 and the king pin 12 of the ball pin structure of the present application are both made of an aluminum alloy material. The aluminum alloy material has better strength and rigidity and light weight.
The utility model provides a ball stud structure, ball stud structure are used for connecting preceding knuckle and control arm, and ball stud structure includes ball keyway 11 and king pin 12, and ball keyway 11 contains keyway main part 110 and two linking arms 111, and spherical groove is seted up to keyway main part 110, and two linking arms 111 symmetry set up in keyway main part 110 outer wall both sides, and the knuckle before linking arm 111 is used for connecting. The kingpin 12 has a ball 120 at one end, the ball 120 rotatably engaged with the spherical groove of the housing body 110, and the other end for engaging with the fixed control arm.
The ball pin structure can be detached and maintained independently, the technical problem that a first ball pin of an integrated structure is inconvenient to maintain is solved, and the ball pin structure is not additionally provided with an additional connecting piece for fixing, so that the light-weight design requirement is met; the connecting arm 111 of the ball stud structure is directly connected with the front steering knuckle, the end part of the main stud 12 is directly connected with the control arm, no additional structure is added, and the structure is stable and reliable.
According to the ball stud structure, the main stud 12 is sequentially divided into three sections, namely the ball body 120, the conical section 121 and the threaded section 122, the conical section 121 is used for being matched with a conical hole of a control arm, and the threaded section 122 is used for being fixed with the control arm through a nut. After the conical section 121 passes through the conical hole of the control arm, the threaded section 122 is exposed outwards, and the nut is screwed on the exposed threaded section 122 for fastening; the conical section 121 of this application and the bell mouth phase-match of control arm to utilize the nut to carry out fixed connection, increased the connection area of contact of control arm with bulb round pin structure, further increased connection stability.
The utility model provides a ball stud structure, ball stud structure 1 still contain rubber dust cover 13, and rubber dust cover 13 sets up in the top of key seat main part 110, and kingpin 12 passes rubber dust cover 13 roof. The rubber dust cover 13 can play the dustproof and rust-proof effect, the service life of the ball pin structure 1 can be prolonged, the rubber dust cover 13 can provide certain constraint force for the main pin 12, and the anti-falling performance of the main pin 12 from the ball pin seat 11 can be further improved.
The utility model provides a ball stud structure, ball keyway 11 contain keyway main part 110 and two linking arms 111, and spherical groove is seted up to keyway main part 110, and the minimum thickness of keyway main part 110 roof and diapire all is greater than the minimum thickness of keyway main part 110 lateral wall.
In the actual structural design process, the structural wrapping area of the ball 120 of the kingpin 12 along the axial direction of the kingpin 12 is large, so that the kingpin 12 is prevented from falling off; while the lateral direction (direction toward the connecting arm 111) of the ball 120 of the kingpin 12 is subjected to relatively small lateral forces, the lateral wrapping structure can be suitably weakened and its design thickness is relatively small. The pin boss main body of the ball pin boss 11 of the present application, the structural design of the pin boss main body 110 is performed according to the actual stress situation, and the lightweight design can be realized under the condition that the structural strength is satisfied, and the thickness of the side wall of the pin boss main body 110 is appropriately reduced, so that the weight is reduced.
According to the front steering knuckle assembly, the front steering knuckle assembly comprises a front steering knuckle body 2 and a ball pin structure, a U-shaped through hole is formed in the edge of the front steering knuckle body 2, and two steering mounting legs 21 which are parallel at intervals are formed; the two steering mounting legs 21 are provided with threaded holes, and the two steering mounting legs 21 are fixedly connected with the two connecting arms 111 of the ball pin base 11 one by one; the kingpin 12 of the ball stud arrangement is oriented opposite the steering mounting leg 21 after attachment.
As shown in FIG. 4, the front steering knuckle assembly of the present application comprises a front steering knuckle body 2 and the above ball stud structure, wherein a U-shaped through hole is formed at the edge of the front steering knuckle body 2 to form two steering mounting legs 21 which are parallel at intervals, so as to further achieve the purpose of light weight design. The steering mounting leg 21 which extends outwards independently is poor in structural stability, but after the steering mounting leg is connected with the ball stud structure, a closed U-shaped through hole is formed, the central line of the closed U-shaped through hole forms a configuration line 22 similar to a rectangle, the structural stability is further enhanced, the strength of the whole structure is increased, the purpose of light weight design is achieved, the structure is more stable and reliable, and the design is ingenious.
The automobile chassis component comprises a control arm 3 and a front steering knuckle assembly, wherein a tapered hole is formed in one end of the control arm 3; the end of the kingpin 12 opposite the ball 120 is provided with an external thread which passes through a tapered bore and secures the control arm 3 to the kingpin 12 with a nut.
The utility model provides an automobile chassis subassembly, preceding knuckle assembly turn to installation leg 21 and bulb round pin structure and form confined U-shaped through-hole, and the swizzle 12 of bulb round pin structure is towards the inside of sealing the U-shaped through-hole, control arm 3 passes through the conical surface cooperation back with swizzle 12, through the screw fastening, during the car operation, swizzle 12 can rotate ball key seat 11 relatively, the tip of control arm 3 rotates in the inside of sealing the U-shaped through-hole, the direction motion of controlling arm 3 to keeping away from swizzle 12 has further been restricted, prevent the pine and take off, the security of driving has been improved.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a ball stud structure for connect preceding knuckle and control arm, its characterized in that, ball stud structure includes:
the ball pin seat (11) comprises a pin seat main body (110) and two connecting arms (111) symmetrically arranged on the outer wall of the pin seat main body (110); the pin boss main body (110) is provided with a spherical groove, and the connecting arm (111) is used for connecting a front steering knuckle;
a main pin (12) with one end being a ball body (120), wherein the ball body (120) can be rotatably matched with the spherical groove of the pin base main body (110); the other end is used for matching and fixing on the control arm.
2. A ball stud structure according to claim 1, wherein: the main pin (12) is sequentially divided into three sections, namely a ball body (120), a conical section (121) and a threaded section (122), the conical section (121) is used for being matched with a conical hole of the control arm, and the threaded section (122) is used for being fixed with the control arm through a nut.
3. A ball stud structure according to claim 1, wherein: the two connecting arms (111) are provided with mounting holes (1110), and the two mounting holes (1110) correspond to the positions of the connecting holes of the front steering knuckle.
4. A ball stud structure according to claim 1, wherein: the ball stud structure (1) further comprises a rubber dust cover (13), the rubber dust cover (13) is arranged at the top of the stud base main body (110), and the main stud (12) penetrates through the top wall of the rubber dust cover (13).
5. A ball stud structure according to claim 1, wherein: the minimum thickness of the top wall and the bottom wall of the pin holder main body (110) are both larger than the minimum thickness of the side wall of the pin holder main body (110).
6. A front steering knuckle assembly characterized by: the front steering knuckle assembly comprises a front steering knuckle body (2) and the ball pin structure as claimed in claim 1, wherein a U-shaped through hole is formed in the edge of the front steering knuckle body (2) to form two steering mounting legs (21) which are parallel at intervals;
threaded holes are formed in the two steering mounting legs (21), and the two steering mounting legs (21) are fixedly connected with two connecting arms (111) of the ball pin seat (11) one by one through bolts; the kingpin (12) of the ball stud arrangement is oriented opposite the steering leg (21).
7. A front steering knuckle assembly according to claim 6, wherein: the main pin (12) is sequentially divided into three sections, namely a ball body (120), a conical section (121) and a threaded section (122), the conical section (121) is used for being matched with a conical hole of the control arm, and the threaded section (122) is used for being fixed with the control arm through a nut.
8. A front steering knuckle assembly according to claim 6, wherein: two connecting arm (111) sets up mounting hole (1110), and two mounting hole (1110) and two screw holes that turn to installing leg (21) one-to-one to through bolt fixed connection.
9. A front steering knuckle assembly according to claim 6, wherein: the ball stud structure (1) further comprises a rubber dust cover (13), the rubber dust cover (13) is arranged at the top of the stud base main body (110), and the main stud (12) penetrates through the top wall of the rubber dust cover (13); the minimum thickness of the top wall and the bottom wall of the pin holder main body (110) are both larger than the minimum thickness of the side wall of the pin holder main body (110).
10. An automotive chassis assembly, characterized by: the automobile chassis component comprises a control arm (3) and the front steering knuckle assembly as claimed in claim 6, wherein one end of the control arm (3) is provided with a conical hole; and an external thread is arranged at one end of the main pin (12) opposite to the ball body (120), penetrates through the tapered hole, and fixes the control arm (3) on the main pin (12) by using a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874545.5A CN113386510A (en) | 2021-07-30 | 2021-07-30 | Ball head pin structure, front steering knuckle assembly and automobile chassis assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110874545.5A CN113386510A (en) | 2021-07-30 | 2021-07-30 | Ball head pin structure, front steering knuckle assembly and automobile chassis assembly |
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| Publication Number | Publication Date |
|---|---|
| CN113386510A true CN113386510A (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110874545.5A Pending CN113386510A (en) | 2021-07-30 | 2021-07-30 | Ball head pin structure, front steering knuckle assembly and automobile chassis assembly |
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| CN (1) | CN113386510A (en) |
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| CN208021126U (en) * | 2017-12-25 | 2018-10-30 | 上海龙创汽车设计股份有限公司 | A kind of composite structure of the Curve guide impeller knuckle with limiting steering and lower swing arm |
| CN210191585U (en) * | 2019-06-24 | 2020-03-27 | 浙江吉利控股集团有限公司 | Mounting bracket of automobile steering control arm |
| CN212401346U (en) * | 2020-06-08 | 2021-01-26 | 北京汽车集团越野车有限公司 | Steering knuckle and vehicle with same |
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|---|---|---|---|---|
| CN201496393U (en) * | 2009-07-15 | 2010-06-02 | 芜湖南大汽车工业有限公司 | Suspension ball head |
| CN201559495U (en) * | 2009-11-27 | 2010-08-25 | 比亚迪股份有限公司 | Suspension guide mechanism |
| CN103359166A (en) * | 2013-07-30 | 2013-10-23 | 长城汽车股份有限公司 | Steering knuckle assembly for vehicle |
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Application publication date: 20210914 |
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