CN209814094U - Steering tie rod, automobile suspension and automobile - Google Patents
Steering tie rod, automobile suspension and automobile Download PDFInfo
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- CN209814094U CN209814094U CN201821821961.9U CN201821821961U CN209814094U CN 209814094 U CN209814094 U CN 209814094U CN 201821821961 U CN201821821961 U CN 201821821961U CN 209814094 U CN209814094 U CN 209814094U
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Abstract
The utility model provides a tie rod, automotive suspension and car. The tie rod includes: the forging connecting rod is provided with a ball seat and a column seat which are symmetrically arranged along the axis at two ends; a ball hinge mounted to the ball seat; and the pin hinge is arranged on the pin base. The utility model discloses a tie rod formula forging as an organic whole need not forge and is two sections hinged joint again, has increased the intensity of self, can be adapted to the large-tonnage vehicle and use, especially requires the tie rod middle part to possess the structure demand of great drop and side direction offset to the ball seat of the installation ball hinge at forging connecting rod both ends and the column seat symmetry of installation pin hinge have increased the symmetry that the vehicle turned to, have also guaranteed the degree of freedom control of tie rod simultaneously, are favorable to the job stabilization of pull rod.
Description
Technical Field
The utility model relates to the field of automotive technology, in particular to tie rod, automotive suspension and car.
Background
A steering tie rod of the automobile suspension is connected with a left steering arm and a right steering arm, so that two wheels can be synchronized on one hand, and the toe-in of front wheels can be adjusted on the other hand.
The existing steering tie rod is of two-section type, and two sections forged respectively are connected by screw thread or riveted to form a complete tie rod. Because part of the front-mounted engines of the automobile have lower engine oil pans, the middle section of the tie rod needs to have larger vertical fall and front-mounted or rear-mounted offset, and simultaneously, the increase of the tonnage of the automobile suspension increases the stress and torque stress borne by the tie rod, so that the two sections of the tie rod are easy to break at the hinged connection position, thereby bringing potential safety hazards to the use of the automobile, and the tie rod is not suitable for the front-mounted engines with large fall and offset requirements.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the utility model provides a tie rod should turn to tie rod includes:
the forging connecting rod is provided with a ball seat and a column seat which are symmetrically arranged along the axis at two ends;
a ball hinge mounted to the ball seat; and
the pin hinge is arranged on the pin base.
Further, the forging connecting rod comprises a ball seat connecting section, a column base connecting section and a middle section positioned between the ball seat connecting section and the column base connecting section;
the intermediate section has a greater height drop and lateral offset relative to the ball seat connection section and the post seat connection section.
Furthermore, the ball seat connecting section and the column seat connecting section are respectively provided with a connecting taper hole which is vertical to the axial direction of the ball seat.
Further, the pin hinge includes:
the pin is arranged in the pin mounting hole of the pin base;
the dustproof cover is positioned between the column base and the column pin; and
the cover plate is plugged at the opening end of the pin mounting hole;
wherein, high damping material is filled among the pin, the pin mounting hole and the cover plate.
Further, the pin comprises an integrated pin head and pin body;
the pin head is arranged in a pin mounting hole of the column base, and the pin body is exposed out of the pin mounting hole.
Further, the pin body comprises a threaded section, a conical section and a cylindrical section connected with the pin head;
the thread section is provided with a cotter pin mounting hole which is communicated along the radial direction of the thread section;
the outer wall surface of the thread section is provided with external threads.
Further, the outer surface of the dust cover is a smooth curved surface protruding radially outward, and the dust cover has an upper opening and a lower opening.
Further, an upper opening of the dust cover is connected with the cylinder body section of the pin body through a clamp spring;
the lower opening of the dust cover is fixed on the column base through a clamp spring.
Further, the ball hinge includes:
the ball pin is arranged in a ball pin mounting hole of the ball seat;
the dust cover is positioned between the ball seat and the ball pin;
the bottom plate is plugged at the opening end of the ball pin mounting hole;
wherein, high damping material is filled among the ball pin, the ball pin mounting hole and the bottom plate.
Further, the ball pin includes:
the ball head is arranged in a ball pin mounting hole of the ball seat;
the neck is connected with the ball head;
the cone section is connected with the neck;
the threaded section is provided with a cotter pin mounting hole which is communicated along the radial direction of the threaded section; the outer wall surface of the thread section is provided with external threads.
Further, the neck is sleeved with a support sleeve.
Embodiments of the present application also provide an automotive suspension having left and right steering arms connected by the tie rod described above.
Embodiments of the present application further provide an automobile, a left steering arm and a right steering arm of which are connected by the above-mentioned tie rod.
According to the above technical scheme, the utility model discloses a tie rod formula forging as an organic whole need not forge to be two sections hinged joint again, has increased the intensity of self, can be adapted to leading engine, large-tonnage vehicle and use to the ball seat of the installation ball hinge at forging connecting rod both ends and the column base symmetry of installation pin hinge have increased the symmetry that the vehicle turned to, have also guaranteed the degree of freedom control of tie rod simultaneously, are favorable to the job stabilization of pull rod.
Drawings
The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.
Fig. 1 is a front view of a tie rod according to an embodiment of the present invention.
Fig. 2 is a plan view of a tie rod according to an embodiment of the present invention.
Fig. 3 is a schematic view of a portion a in fig. 2 according to an embodiment of the present invention.
Fig. 4 is a schematic view of a first structure of a portion B in fig. 1 according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a second structure of the portion B in fig. 1 according to an embodiment of the present invention.
Fig. 6 is a schematic view of the pillar in fig. 4 according to an embodiment of the present invention.
Fig. 7 is a schematic view of the stud in fig. 5 according to an embodiment of the present invention.
Fig. 8 is a schematic view of a dust cover according to an embodiment of the present invention.
Fig. 9 is a schematic view of a portion C in fig. 1 according to an embodiment of the present invention.
Fig. 10 is a schematic view of a ball seat according to an embodiment of the present invention.
Fig. 11 is a schematic view of a ball pin according to an embodiment of the present invention.
Wherein: 1-forging a connecting rod, 2-ball hinges, 3-pin hinges and 4-hexagonal open nuts;
12-column base, 121-pin mounting hole; 122-dust cover installation groove, 123-flange;
101-a ball seat connecting section, 102-a column seat connecting section, 103-a middle section, 104-a connecting taper hole and 104 a-a connecting surface;
31-pin, 301-pin head, 301 a-round head, 301 b-positioning part, 302-pin body, 302 a-column body section, 302 b-cone body section, 302 c-thread section, 302 d-split pin mounting hole and 302 e-arc tool withdrawal groove; 303-necking down;
32-dust cover, 321-upper opening, 322-lower opening, 323-mounting ring;
33-cover plate, 34-clamp spring and 35-backing ring;
11-ball seat, 111-ball pin mounting hole;
21-ball pin, 23-bottom plate;
201-ball head, 202-neck, 24-support sleeve.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings.
"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.
In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.
In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree and order of importance, the premise that each other exists, and the like.
In this context, "equal", "same", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances as would be understood by a person skilled in the art and allowed for manufacturing or use, etc. Unless otherwise indicated, numerical ranges herein include not only the entire range within its two endpoints, but also several sub-ranges subsumed therein.
In order to solve among the prior art that the tie rod bearing capacity that requires to have great height drop and lateral deviation structural requirement to middle part is poor, easy fracture, can not turn to in a flexible way, the not good technical problem of symmetry, as shown in fig. 1 and fig. 2, the embodiment of the utility model provides a tie rod, this tie rod includes:
forging a connecting rod 1, wherein a ball seat 11 and a column seat 12 which are symmetrically arranged along the axis are respectively formed at two ends of the forging connecting rod 1;
the ball hinge 2 is arranged on the ball seat 11; and
a pin hinge 3, the pin hinge 3 is mounted on the column base 12.
Forging connecting rod 1 is the main part of tie rod, adopt integrative forging easily to process on the one hand, the tie rod intensity that on the other hand processing was accomplished is high, and there is not the breakpoint in the middle of forging connecting rod 1, needn't adopt articulated connection, therefore forging connecting rod 1 intensity is high, it is not fragile during the use, the both ends of forging connecting rod 1 form ball hinge 2 and pin hinge 3 respectively, and the axis of ball seat 11 and the axis of column base 12 are bilateral symmetry for forging connecting rod 1, like this ball hinge 2 and pin hinge 3 also are symmetrical for forging connecting rod 1, the symmetry of tie rod is good like this, when the vehicle uses, tie rod symmetry turns to, make the vehicle turn to in a flexible way.
In the prior art, the steering tie rod is in two sections, the two sections forged respectively are hinged and connected to form a complete tie rod, because part of the automobile with a front engine is low in an engine oil sump, the middle section of the steering tie rod is required to have a large vertical fall and a front or rear offset, and simultaneously, the tonnage of an automobile suspension is increased, so that the force and torque stress borne by the steering tie rod is large, the hinged and connected positions of the two sections of the tie rod are easy to break, potential safety hazards are brought to the use of the automobile, and the steering tie rod is not suitable for the front engine automobile with large fall and offset requirements.
The steering transverse pull rod integrated forging does not need to be forged into two sections and then hinged, strength of the forging is improved, the forging device can be suitable for a front engine and a large-tonnage vehicle to be used, the ball seats 11 for mounting the ball hinges 2 at two ends of the forging connecting rod 1 are symmetrical to the column seats 12 for mounting the pin hinges 3, and flexibility of vehicle steering is improved.
Specifically, forged connecting rod 1 includes ball seat connecting section 101, column base connecting section 102, and intermediate section 103 between ball seat connecting section 101 and column base connecting section 102; it can be understood that ball seat linkage section 101 is connected with ball seat 11, column base linkage section 102 is connected with column base 12, or, ball seat 11 is as an organic whole with ball seat linkage section 101, and ball seat 11 is located the end of ball seat linkage section 101, column base 12 is as an organic whole with column base linkage section 102, and column base 12 is located the end of column base linkage section 102, preferably, ball seat 11 is the same with the axial direction of column base 12, and, ball seat 11 is the same with the open end of column base 12 completely, that is, ball hinge 2 is the same with the installation direction of pin hinge 3, like this ball hinge 2 and pin hinge 3 link to each other with the steering arm in the equidirectional, guarantee that the steering arm possesses same flexibility about the use, guarantee the whole flexibility that the vehicle used.
In one aspect of the above embodiment, the intermediate section 103 has a height drop H and a lateral offset L relative to the ball seat connecting section 101 and the post seat connecting section 102. It can be understood that the middle section 103 is offset by a certain distance in the height direction and the lateral direction relative to the ball seat connecting section 101 and the column seat connecting section 102, so as to avoid the installation space of an engine, reasonably arrange the internal space of the vehicle body and reduce the total volume of the chassis; and the ball seat connecting section 101 and the column seat connecting section 102 are located at the same horizontal plane, thus ensuring that the ball seat 11 and the column seat 12 are located at the same horizontal plane, so that the vehicle can flexibly turn; preferably, the middle section 103 is in arc transitional connection with the ball seat connecting section 101 and the column seat connecting section 102, so that the stress of the forged connecting rod 1 is reduced, the strength of the forged connecting rod 1 is increased, and the safety of the vehicle during steering is ensured. The height drop and the lateral offset distance refer to the drop H along the height direction of the vehicle body and the distance L deviating from the plane in the plane where the axes of the ball hinge 2 and the pin hinge 3 are connected.
As shown in fig. 3, the ball seat connection section 101 and the post seat connection section 102 are respectively provided with connection tapered holes 104 perpendicular to the axial direction of the ball seat 11. The connecting taper hole 104 is used for being connected to a steering knuckle through a steering knuckle arm, the opening surface of the connecting taper hole 104 is perpendicular to the opening surfaces of the ball seat connecting section 101 and the column seat connecting section 102, smooth installation of the steering knuckle arm is guaranteed, meanwhile, the inner space of a vehicle body is reasonably utilized, and the size of a chassis is reduced. As can be seen from the drawings, the connecting taper hole 104 referred to herein means an opening with a larger diameter and a smaller diameter at both open ends, and preferably, the connecting surfaces 104a are provided on both the upper and lower surfaces of the connecting taper hole 104, the connecting surfaces 104a are flat surfaces, for providing a bearing surface for the tie rod and knuckle arm mounting, it will be appreciated that the forged link 1 may be a rod with a circular cross-section, where the surface of the rod is not easily supported by force, the upper and lower surfaces of the connecting taper hole 104 are both arranged to be flat, which can facilitate the contact of the tie rod with the knuckle arm in a larger area, i.e., the connecting surface 104a, provides a larger contact area, helps to reduce the force per unit area, improves the strength of the tie rod, and make the connection of tie rod and knuckle arm firm, the two can not produce the position dislocation when using, guarantee the security of using.
Further, as shown in fig. 4 and 5, the pin hinge 3 includes:
a pin 31, the pin 31 being mounted in the pin mounting hole 121 of the pedestal 12;
the dustproof cover 32 is positioned between the column base 12 and the column pin 31, and the dustproof cover 32 seals the column pin mounting hole 121, so that dust is prevented from entering the column pin mounting hole and the connection between the column pin 31 and the column pin mounting hole 121 is ensured; and
the cover plate 33 is used for sealing the opening end of the pin mounting hole 121, the cover plate 33 and the dust cover 32 are respectively used for sealing one opening end, the pin mounting hole 121 is sealed while the pin 31 can be smoothly mounted, dust, water and the like are prevented from entering, and the use reliability is guaranteed;
high-damping materials are filled among the pin 31, the pin mounting hole 121 and the cover plate 33, and the closed space formed by the pin 31, the pin mounting hole 121 and the cover plate 33 is filled with the high-damping materials which are high-molecular materials with the characteristics of small friction coefficient and wear resistance. In the use, will carry out frequent relative rotation between pin 31 and the pin mounting hole 121, that is to say carry out the friction between pin 31 and the column base 12, pin 31 is metal with column base 12, if metal and metal direct friction, then can make pin 31 can not rotate relative column base 12, the wearing and tearing of pin 31 and column base 12 are serious simultaneously, be unfavorable for the long-term use of this pin hinge, and pack high damping material between pin 31 and the column base 12 in this application, can make pin 31 and high damping material looks mutual friction, the coefficient of friction is little like this, and high damping material is wear-resisting, avoided often changing, and this high damping material can be nylon.
As shown in fig. 6, a protruding rib 123 is provided on the bottom surface of the column base 12, the rib 123 extends in the height direction of the column base 12 before the cover plate 33 is installed, and after the cover plate 33 is installed, the rib 123 is bent toward the inside of the column base 12, so that the rib 123 fixes the cover plate 33 and prevents the cover plate 33 from falling off.
As shown in fig. 7, the stud 31 further includes an integrated pin head 301 and pin body 302; the pin head 301 is mounted in the pin mounting hole 121 of the column base 12, and the pin body 302 is exposed outside the pin mounting hole 121. The pin head 301 is in contact with the pedestal mounting hole 121, i.e. is a revolute pair, and the pin body 302 is exposed out of the pedestal mounting hole 121 for connection to a steering arm.
In one embodiment of the present application, as shown in fig. 4, the pin head 301 is a cylindrical section that matches the pin mounting hole 121, and the cylindrical form of the pin head 301 facilitates installation; preferably, a constriction 303 is provided between the pin head 301 and the pin body 302, the presence of the constriction 303 providing the necessary space for the manufacture and installation of the pin head 301 and the pin body 302.
In another embodiment of the present application, as shown in fig. 5, the pin head 301 includes a round head portion 301a and a positioning portion 301b, the round head portion 301a is abutted with the pin body 302, and the round head portion 301a is in a round table shape, one end of the round table is abutted with the pin body 302, and the other end of the round table is abutted with the positioning portion 301b, the positioning portion 301b may be a section of a cylinder, the positioning portion 301b is used for positioning the pin head 301 during installation, and the positioning portion 301b of the pin head 301 is prevented from protruding out of the pin installation hole 121.
In an alternative embodiment, a backing ring 35 is disposed between the pin head 301 and the pin receiving hole 121, the backing ring 35 is used to position the pin head 301 to ensure that the pin head 301 does not protrude too far into the pin receiving hole 121 during installation, and the backing ring 35 abuts the cover plate 33 to define the position of the cover plate 33.
Optionally, a layer of grease may be covered between the pin head 301 and the high damping material, and the grease has a lubricating effect, so that when the pin head 301 rotates relatively, the friction coefficient between the pin head 301 and the high damping material is further reduced, and the service life of the pin hinge is prolonged.
The pin body 302 includes a threaded section 302c, a tapered section 302b, and a cylindrical section 302a connected to the pin head 301; the threaded section 302c is provided with a cotter mounting hole 302d which is through along the radial direction of the threaded section 302 c; the outer wall surface of the threaded section 302c is provided with external threads. The round pin body 302 is used for linking to each other middle tie rod and steering arm, the steering arm has seted up round pin body mounting hole, round pin body 302 stretches into in the round pin body mounting hole, and the round pin body mounting hole is the taper hole, the cone section of round pin body 302 is installed in this cone mounting hole, and use hexagonal open nut 4 to install and fix round pin body 302 with the steering arm in screw thread section 302c, vehicle vibration etc. can cause hexagonal open nut 4 to connect insecure in the use, therefore install the split pin in the split pin mounting hole 302d of screw thread section 302c, realize the fixed to hexagonal open nut 4.
Optionally, an arc-shaped relief groove 302e is provided between the threaded section 302c of the pin body 302 and the tapered section 302b, the hexagonal open nut 4 is installed on the threaded section 302c of the pin body 302, the existence of the split pin is used for fixing the position outside the hexagonal open nut 4, that is, preventing the hexagonal open nut 4 from coming off from the threaded section 302c, if the other end of the hexagonal open nut 4 is not fixed, the hexagonal open nut 4 will possibly enter the tapered section 302b, in this application, the arc-shaped relief groove 302e between the threaded section 302c and the tapered section 302b can be abutted to the hexagonal open nut 4, preventing the hexagonal open nut 4 from moving in the using process, and ensuring that the position of the hexagonal open nut 4 is fixed.
In the optional embodiment of this application, the outer surface of cone section 302b covers there is the sclerosis layer, this sclerosis layer can be that high frequency thermal treatment forms, cone section 302b is installed in the bell mouth of steering arm, therefore this junction bearing capacity is very big when the vehicle turns to, if cone section 302b intensity is low, then can make cone section 302b fracture, bring the potential safety hazard for the vehicle is used, and cone section 302b outer surface will form the sclerosis layer after high frequency thermal treatment, the intensity on this sclerosis layer is high, guarantee that cone section 302b can not produce the fracture in the use, increase the security of using. Alternatively, the outer surface of the cone segment 302b may also be nitrided to form a hardened layer.
As shown in FIG. 8, the outer surface of the dust cap 32 is a smooth curved surface that protrudes radially outward, and the dust cap 32 has an upper opening 321 and a lower opening 322. The dust cover 32 is used for sealing the pin mounting hole 121, a cavity is formed between the smooth curved surface of the dust cover 32 and the pin head 301, the cavity is sealed, and the pin mounting hole 121 is further sealed, the radially outward smooth curved surface enables the cavity space to be large, when the ball hinge bears large bearing force, the pin body 302 inclines relative to the dust cover 32, and the dust cover 32 can absorb the pressure applied to the dust cover by the inclination through self deformation at the moment, and the deformation allows the pin body 302 to incline in a large angle.
The upper opening 321 of the dust cover 32 is connected with the cylinder section 302a of the pin body 302 through the clamp spring 34; the lower opening 322 of the dust cover 32 is fixed to the column base 12 by the snap spring 34. The clamping spring 34 is used for fixing, so that the dust cover is easy to disassemble and small in occupied space, and the deformation of the dust cover 32 is not limited.
Specifically, the periphery of the column base 12 is provided with a dust cover mounting groove 122, the corresponding position of the dust cover 32 is provided with a lower opening 322, the circumference of the lower opening 322 is provided with a mounting ring 323 matched with the dust cover mounting groove 122, the mounting ring 323 is mounted in the dust cover mounting groove 122, an annular snap spring mounting groove 324 is provided on the outer side of the mounting ring 323, the annular snap spring mounting groove 324 is used for mounting the snap spring 34, and an annular snap spring mounting groove 324 is also provided on the outer side surface of the upper opening 321 of the dust cover 32 for mounting the snap spring 34, and the dust cover 32 is fixed by the matching of the upper and lower snap springs 34.
As shown in fig. 9, the ball hinge 2 in the present application includes:
a ball pin 21, the ball pin 21 being mounted in a ball pin mounting hole 111 of the ball seat 11;
a dust cover 32, the dust cover 32 being located between the ball seat 11 and the ball pin 21, the dust cover 32 being the same as the dust cover 32 of the pin hinge 3, where the dust cover 32 is used to seal the ball pin mounting hole 111 and prevent dust, water, and the like from entering the ball pin mounting hole 111;
the bottom plate 23, the bottom plate 23 blocks the open end of the ball pin mounting hole 111, the bottom plate 23 cooperates with the dust cover 32 to seal the ball pin mounting hole 111;
high-damping materials are filled among the ball pin 21, the ball pin mounting hole 111 and the bottom plate 23, the high-damping materials are small in friction coefficient and wear-resistant, the service lives of the ball pin 21 and the ball pin mounting hole 111 are prolonged, the friction coefficient of the ball pin 21 is small when the ball pin mounting hole 111 rotates relatively, and the rotation is flexible. The bottom plate 23 has a structure similar to that of the cover plate 32, and as shown in fig. 10, a protruding rib 123 is provided on the bottom surface of the ball seat 11, the rib 123 extends along the height direction of the ball seat 11 before the bottom plate 23 is installed, and after the bottom plate 23 is installed, the rib 123 is bent toward the interior of the ball seat 11, so that the rib 123 fixes the bottom plate 23 and prevents the bottom plate 23 from falling off.
As shown in fig. 11, the ball pin 21 includes:
a ball head 201, the ball head 201 being mounted to the ball pin mounting hole 111 of the ball seat 11;
a neck 202, wherein the neck 202 is connected with the ball head 201;
a cone segment 302b, the cone segment 302b being connected to the neck 202;
the threaded section 302c is provided with a split pin mounting hole 302d which is communicated along the radial direction of the threaded section 302 c; the outer wall surface of the threaded section 302c is provided with external threads.
Similar to the pin 31, the ball head 201 of the ball pin 21 is matched with the ball pin mounting hole 111, the ball head 201 is connected with the cone section 302b through the neck 202, the cone section 302b is connected with the steering arm, the steering arm is provided with a cone hole, the cone section 302b is mounted in the cone hole of the steering arm, connection between the tie rod and the steering arm is achieved, the hexagonal open nut 4 is mounted on the threaded section 302c, the position of the steering arm is fixed through the hexagonal open nut 4, in order to prevent the hexagonal open nut 4 from loosening in the use process of the vehicle, the open pin is mounted in the open pin mounting hole 302d of the threaded section 302c, and the position of the hexagonal open nut 4 is fixed. In addition, in the present application, the head 201 and the cone 302b are connected by the neck 202, when in use, the neck 202 is located at the opening of the ball pin mounting hole 111, and the neck 202 is arranged to prevent the opening position from restricting the rotation of the ball pin 21, that is, to prevent the rotation angle of the ball pin 21 at the rotation limit position from being too small to achieve the steering function of the tie rod, so the neck 202 is arranged, the diameter of the neck 202 is smaller than the diameters of the ball head 201 and the cone 302b, to avoid the interference position between the ball pin 21 and the ball pin mounting hole 111 when rotating, to increase the rotation space of the ball pin 21, and the neck 202 is smoothly connected with the ball head 201 and the cone 302b to prevent stress concentration.
Be provided with arc tool withdrawal groove 302e between screw thread section 302c and the cone section 302b of ball pin 21, hexagonal open nut 4 is installed in the screw thread section 302c of round pin body 302, the existence of split pin is used for the position in fixed hexagonal open nut 4 outside, prevent that hexagonal open nut 4 from deviating from screw thread section 302c promptly, and if hexagonal open nut 4's the other end is not fixed, then hexagonal open nut 4 will probably get into cone section 302b, the side wall face of the arc tool withdrawal groove 302e between screw thread section 302c and the cone section 302b can with hexagonal open nut 4 butt in this application, prevent that hexagonal open nut 4 from drunkenness in the use, guarantee that hexagonal open nut 4 rigidity.
In an alternative embodiment of the present application, the outer surface of the tapered section 302b of the ball pin 21 is covered with a hardened layer, which may be formed by high-frequency heat treatment or by nitriding.
The neck 202 is sleeved with the support sleeve 24. The diameter of the neck 202 is smaller than the diameter of the ball head 201 and the tapered section 302b, so that the strength of the neck 202 is low, the support sleeve 24 can increase the strength of the neck 202, the neck 202 is prevented from being broken when the angle of the ball pin 21 is large or the force applied to the tie rod is large, the support sleeve 24 increases the strength of the neck 202, and therefore the support sleeve 24 partially extends into the ball pin mounting hole 111.
An embodiment of the present application provides an automotive suspension, the left and right steering arms of which are connected by the above-mentioned tie rod.
Embodiments of the present application further provide an automobile, a left steering arm and a right steering arm of which are connected by the above-mentioned tie rod.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.
The above list of details is only for the feasible embodiments of the present invention and is not intended to limit the scope of the present invention, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of the features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.
Claims (13)
1. A tie rod, comprising:
the forging connecting rod comprises a forging connecting rod (1), wherein two ends of the forging connecting rod (1) are respectively provided with a ball seat (11) and a column seat (12) which are symmetrically arranged along the axis;
a ball hinge (2), the ball hinge (2) being mounted to the ball seat (11); and
a pin hinge (3), the pin hinge (3) being mounted to the post holder (12).
2. The tie rod of claim 1, wherein the forged link (1) comprises a ball seat connecting section (101), a column seat connecting section (102), and an intermediate section (103) between the ball seat connecting section (101) and the column seat connecting section (102);
the intermediate section (103) has a height drop and a lateral offset relative to the ball seat connection section (101) and the post seat connection section (102).
3. The tie rod of claim 2, wherein the ball seat connecting section (101) and the column seat connecting section (102) are respectively provided with connecting tapered holes (104) perpendicular to an axial direction of the ball seat (11).
4. The tie rod according to claim 1, wherein the pin hinge (3) comprises:
a stud (31), the stud (31) being mounted to a stud mounting hole (121) of the stud receptacle (12);
a dust cover (32), the dust cover (32) being located between the column base (12) and the column pin (31); and
the cover plate (33), the said cover plate (33) seals the open end in the said pin mounting hole (121);
wherein a high damping material is filled among the pin (31), the pin mounting hole (121) and the cover plate (33).
5. The tie rod of claim 4 wherein the pin (31) comprises an integral pin head (301) and pin body (302);
wherein the pin head (301) is mounted in a pin mounting hole (121) of the column base (12), and the pin body (302) is exposed outside the pin mounting hole (121).
6. The tie rod of claim 5 wherein the pin body (302) comprises a threaded section (302c), a tapered section (302b), and a cylindrical section (302a) connected to the pin head (301);
the threaded section (302c) is provided with a split pin mounting hole (302d) which is through along the radial direction of the threaded section (302 c);
the outer wall surface of the threaded section (302c) is provided with external threads.
7. The tie rod of claim 6 wherein the outer surface of the dust boot (32) is a smooth curved surface that projects radially outward, the dust boot (32) having an upper opening (321) and a lower opening (322).
8. The tie rod of claim 7 wherein the upper opening (321) of the dust boot (32) is connected to the cylinder section (302a) of the pin body (302) by a clamp spring (34);
the lower opening (322) of the dust cover (32) is fixed on the column base (12) through a clamp spring (34).
9. Track rod according to claim 4, characterized in that the ball hinge (2) comprises:
a ball pin (21), wherein the ball pin (21) is mounted in a ball pin mounting hole (111) of the ball seat (11);
a dust cover (32), the dust cover (32) being located between the ball seat (11) and the ball pin (21);
the bottom plate (23), the open end of the said ball pin mounting hole (111) of said bottom plate (23) shutoff;
wherein a high damping material is filled among the ball pin (21), the ball pin mounting hole (111) and the bottom plate (23).
10. Tie rod according to claim 9, characterized in that said ball pin (21) comprises:
a ball head (201), wherein the ball head (201) is mounted in a ball pin mounting hole (111) of the ball seat (11);
a neck (202), wherein the neck (202) is connected with the ball head (201);
a cone segment (302b), the cone segment (302b) being connected to the neck (202);
the thread section (302c), the thread section (302c) is provided with a split pin mounting hole (302d) which penetrates through along the radial direction of the thread section (302 c); the outer wall surface of the threaded section (302c) is provided with external threads.
11. Tie rod according to claim 10, wherein the neck (202) is sleeved with a support sleeve (24).
12. A suspension for a motor vehicle, wherein a left steering arm and a right steering arm are connected by a tie rod according to any one of claims 1 to 11.
13. An automobile, characterized in that the left and right steering arms are connected by a tie rod according to any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821961.9U CN209814094U (en) | 2018-11-06 | 2018-11-06 | Steering tie rod, automobile suspension and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821821961.9U CN209814094U (en) | 2018-11-06 | 2018-11-06 | Steering tie rod, automobile suspension and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209814094U true CN209814094U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821821961.9U Active CN209814094U (en) | 2018-11-06 | 2018-11-06 | Steering tie rod, automobile suspension and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN209814094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552413A (en) * | 2018-11-06 | 2019-04-02 | 中国公路车辆机械有限公司 | Track rod, automotive suspension and automobile |
-
2018
- 2018-11-06 CN CN201821821961.9U patent/CN209814094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109552413A (en) * | 2018-11-06 | 2019-04-02 | 中国公路车辆机械有限公司 | Track rod, automotive suspension and automobile |
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