CN220243359U - Double-rocker steering rod device - Google Patents
Double-rocker steering rod device Download PDFInfo
- Publication number
- CN220243359U CN220243359U CN202321990282.5U CN202321990282U CN220243359U CN 220243359 U CN220243359 U CN 220243359U CN 202321990282 U CN202321990282 U CN 202321990282U CN 220243359 U CN220243359 U CN 220243359U
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- rod
- rocker arm
- steering
- relay
- vehicle
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- 230000009977 dual effect Effects 0.000 claims 7
- 238000005452 bending Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a double-rocker-arm steering rod device which comprises a first rocker arm, a second rocker arm, a relay rod, a first transverse pull rod and a second transverse pull rod, wherein the first rocker arm and the second rocker arm can be respectively and rotatably connected to the left end and the right end of the relay rod to a certain extent, and the first transverse pull rod and the second transverse pull rod are respectively connected to the left end and the right end of the relay rod; one end of the first rocker arm, which is far away from the relay rod, is connected with an output shaft of the vehicle steering gear, one end of the first tie rod, which is far away from the relay rod, is connected with a left wheel end of the vehicle steering axle, and one end of the second tie rod, which is far away from the relay rod, is connected with a right wheel end of the vehicle steering axle; the first rocker arm is driven to swing to drive the relay rod to move, the relay rod drives the left and right steering tie rods to move, and the left and right wheels are driven by the left and second tie rods to rotate around the master pins, so that the steering of the automobile is realized, and the steering angles of the left and right wheels can be ensured to meet the Ackerman theorem.
Description
Technical Field
The utility model relates to the technical field of steering levers, in particular to a double-rocker-arm steering lever device.
Background
The traditional steering rod device of the heavy commercial automobile generally comprises a steering straight pull rod, a steering straight pull rod knuckle arm, a steering tie rod knuckle arm and a steering tie rod, wherein the steering tie rod is of an integral structure, and the left end and the right end of the steering tie rod are connected with the tie rod knuckle arms at the two sides of a wheel end through spherical hinges, so that wheels at the two sides swing leftwards or rightwards at the same time to realize the steering of the automobile. The steering rod device is not easily seen through the structure, is only suitable for an I-beam front axle, is not suitable for an independent suspension front axle, and obviously is not suitable for a wider vehicle type;
in the conventional steering rod device of the heavy-duty car, the steering tie rods are longitudinally arranged, so that steering tires and shock absorbers have to be designed into a bending structure for avoiding, and the steering sensitivity and the transmission efficiency are affected by multi-point gaps and bending points. The heavy-duty car steering axle adopts I-beam type front axle mostly, and when the vehicle is driven on non-pavement or jolt road surface, one side steering wheel is beated and just can cause the opposite side steering wheel to follow the beat, and the road surface is directly passed on the driver on one's body through steering column device, steering column and steering wheel to the impact of tire, brings uncomfortable impression for the driver.
Disclosure of Invention
The utility model aims to provide a disconnected steering trapezoidal mechanism suitable for an independent front suspended heavy type automobile, which can overcome the influence of independent left wheel or right jumping on a steering system, and further meet the requirements of customers on driving safety and comfort.
The utility model solves the technical problems by adopting the following technical scheme: the double-rocker-arm steering rod device comprises a first rocker arm, a second rocker arm, a relay rod, a first transverse pull rod and a second transverse pull rod, wherein the first rocker arm and the second rocker arm can be respectively and rotatably connected to the left end and the right end of the relay rod to a certain extent, and the first transverse pull rod and the second transverse pull rod are respectively connected to the left end and the right end of the relay rod;
one end of the first rocker arm, which is far away from the relay rod, is connected with an output shaft of the vehicle steering gear, one end of the first tie rod, which is far away from the relay rod, is connected with a left wheel end of the vehicle steering axle, and one end of the second tie rod, which is far away from the relay rod, is connected with a right wheel end of the vehicle steering axle.
Optionally, the first tie rod, second tie rod are articulated respectively to be connected on the left and right sides both ends of relay pole, the one end that the relay pole was kept away from to first tie rod is articulated with the knuckle arm of vehicle steering axle left wheel end, the one end that the relay pole was kept away from to second tie rod is articulated with the knuckle arm of vehicle steering axle right wheel end.
Optionally, the two ends of the relay rod are respectively connected with the left steering pull rod and the right steering pull rod of the vehicle through ball pins.
Optionally, a connecting seat is connected with one end of the second rocker arm away from the relay rod, and the connecting seat is rotatably connected to a support of the vehicle.
Optionally, be equipped with first connecting hole, second connecting hole on the first rocking arm respectively, first connecting hole sets up and is close relay pole one end at first rocking arm, but first rocking arm passes through first connecting hole and relay pole one end swivelling joint, the second connecting hole sets up and keeps away from the one end of relay pole at first rocking arm, first rocking arm passes through second connecting hole and steering gear output shaft.
Optionally, a third connecting hole is formed in one end, close to the relay rod, of the second rocker arm, and the second rocker arm is rotatably connected to the other end of the relay rod through the third connecting hole.
Optionally, the first rocker arm and the second rocker arm are provided with weight reducing holes.
Optionally, the connecting seat includes column spinner, connecting plate, the connecting plate is connected on the column spinner top surface, the column spinner swivelling joint is on the support of vehicle, the connecting plate is connected with the second rocking arm.
The utility model has the following beneficial effects:
1. according to the vehicle steering device, the first rocker arm is driven to swing to drive the relay rod to move, the relay rod drives the left and right steering tie rods to move, and the left and right tie rods drive the left and right wheels to rotate around the master pins, so that the steering of the vehicle is realized, and the corners of the left and right wheels can be ensured to accord with the Ackerman theorem;
2. the two ends of the relay rod are connected with the left steering pull rod and the right steering pull rod through the ball pins, and the structure ensures that the toe-in change of the steering wheels is within a reasonable range when the left and right wheels jump by determining the relative positions of the two ball pins and the steering knuckle arms at the left and right wheel ends.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a front view of the present utility model;
the labels in the figures are: 1-a first rocker arm; 2-a second rocker arm; 3-relay rod; 4-a first tie rod; 5-a second tie rod; 11-a first connection hole; 12-a second connection hole; 21-a connecting seat; 22-a third connecting hole; 31-ball pins; 211-spin columns; 212-connecting plates.
Detailed Description
The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.
Example 1
The embodiment provides a double-rocker-arm steering rod device, which comprises a first rocker arm 1, a second rocker arm 2, a relay rod 3, a first transverse pull rod 4 and a second transverse pull rod 5, wherein the first rocker arm 1 and the second rocker arm 2 can be respectively and rotatably connected to the left end and the right end of the relay rod 3 to a certain extent, and the first transverse pull rod 4 and the second transverse pull rod 5 are respectively connected to the left end and the right end of the relay rod 3;
one end of the first rocker arm 1, which is far away from the relay rod 3, is connected with an output shaft of the vehicle steering gear, one end of the first tie rod 4, which is far away from the relay rod 3, is connected with a left wheel end of the vehicle steering axle, and one end of the second tie rod 5, which is far away from the relay rod 3, is connected with a right wheel end of the vehicle steering axle.
It should be noted that, the vehicle steering device can drive the relay rod 3 to move through driving the swing of the first rocker arm 1, the relay rod 3 drives the left and right steering tie rods, namely the first tie rod 4 and the second tie rod 5 to move, and the left and right wheels are driven by the left and second tie rods to rotate around the respective kingpins, so that the steering of the vehicle is realized, and the corners of the left and right wheels can be ensured to conform to the Ackerman theorem.
In a further embodiment of this embodiment, the first tie rod 4 and the second tie rod 5 are respectively hinged to the left end and the right end of the relay rod 3, one end of the first tie rod 4 away from the relay rod 3 is hinged to a knuckle arm at the left wheel end of the vehicle steering axle, and one end of the second tie rod 5 away from the relay rod 3 is hinged to a knuckle arm at the right wheel end of the vehicle steering axle.
The relay rod 3 swings to drive the first tie rod 4 and the second tie rod 5 to move, so that the left wheel and the right wheel are driven to synchronously rotate to realize steering.
In a further embodiment of the present embodiment, two ends of the relay rod 3 are respectively connected with left and right steering rods of the vehicle through ball pins 31.
It should be noted that, the two ends of the relay rod 3 are connected with the left steering pull rod and the right steering pull rod through the ball pins 31, and the structure ensures that the left wheel corner and the right wheel corner meet the ackerman theorem when the wheels jump by determining the relative positions of the two ball pins 31 and the left wheel end steering knuckle arms.
In a further embodiment of the present embodiment, a connecting seat 21 is connected to an end of the second rocker arm 2 away from the relay rod 3, and the connecting seat 21 is rotatably connected to a support of the vehicle.
In a further implementation manner of this embodiment, the first rocker arm 1 is provided with a first connecting hole 11 and a second connecting hole 12, the first connecting hole 11 is arranged at one end of the first rocker arm 1 close to the relay rod 3, the first rocker arm 1 is rotatably connected with one end of the relay rod 3 through the first connecting hole 11, the second connecting hole 12 is arranged at one end of the first rocker arm 1 far away from the relay rod 3, and the first rocker arm 1 is connected with the diverter output shaft through the second connecting hole 12.
In a further implementation manner of this embodiment, a third connecting hole 22 is formed on one end, close to the relay rod 3, of the second rocker arm 2, and the second rocker arm 2 is rotatably connected to the other end of the relay rod 3 through the third connecting hole 22.
In a further embodiment of the present embodiment, the first rocker arm 1 and the second rocker arm 2 are provided with weight reducing holes.
In a further embodiment of the present embodiment, the connection base 21 includes a rotation post 211 and a connection plate 212, the connection plate 212 is connected to a top surface of the rotation post 211, the rotation post 211 is rotatably connected to a support of the vehicle, and the connection plate 212 is connected to the second rocker arm 2.
It should be noted that: the first rocker arm 1 and the second rocker arm 2 are hinged with the relay rod 3, the second rocker arm 2 can swing around the own support axis, the left end and the right end of the relay rod 3 are respectively hinged with the first tie rod 4 and the second tie rod 5, the first rocker arm 1 is connected with an output shaft of the steering gear through a spline, and the first tie rod 4 and the second tie rod 5 are respectively hinged with steering knuckle arms at the left wheel end and the right wheel end of the steering axle. When a driver steers a vehicle, the steering gear output shaft drives the first rocker arm 1 to rotate, the first rocker arm 1 drives the relay rod 3 to swing, and the relay rod 3 swings to drive the first tie rod 4 and the second tie rod 5 to move, so that the left wheel and the right wheel are driven to synchronously rotate to realize steering;
the steering gear can drive the first rocker arm 1 to swing so as to drive the relay rod 3 to move, the relay rod 3 drives the left and right steering tie rods, namely the first tie rod 4 and the second tie rod 5 to move, and the left and right tie rods drive the left and right wheels to rotate around the respective master pins, so that the steering of the automobile is realized, and the rotation angles of the left and right wheels can be ensured to accord with the Ackerman theorem;
further, the relative arrangement and the hinging manner of the first rocker arm 1 and the second rocker arm 2 determine the motion trail of the relay rod 3, and the motion trail of the relay rod 3 determines the relative rotation angles of the left wheel and the right wheel, namely the ackerman theorem;
in addition, the two ends of the relay rod 3 are connected with the left steering pull rod and the right steering pull rod through the ball pins 31, and the structure ensures that the toe-in change of the left and right wheels is within a reasonable range when the left and right wheels jump by determining the relative positions of the two ball pins 31 and the left and right wheel end steering knuckle arms.
The sequence of the above embodiments is only for convenience of description, and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The double-rocker-arm steering rod device is characterized by comprising a first rocker arm, a second rocker arm, a relay rod, a first transverse pull rod and a second transverse pull rod, wherein the first rocker arm and the second rocker arm can be respectively and rotatably connected to the left end and the right end of the relay rod to a certain extent, and the first transverse pull rod and the second transverse pull rod are respectively connected to the left end and the right end of the relay rod;
one end of the first rocker arm, which is far away from the relay rod, is connected with an output shaft of the vehicle steering gear, one end of the first tie rod, which is far away from the relay rod, is connected with a left wheel end of the vehicle steering axle, and one end of the second tie rod, which is far away from the relay rod, is connected with a right wheel end of the vehicle steering axle.
2. The dual rocker arm steering column apparatus of claim 1, wherein the first and second tie rods are each hingedly connected to the left and right ends of the relay rod, wherein an end of the first tie rod remote from the relay rod is hingedly connected to the knuckle arm at the left wheel end of the vehicle steer axle, and wherein an end of the second tie rod remote from the relay rod is hingedly connected to the knuckle arm at the right wheel end of the vehicle steer axle.
3. The dual rocker arm steering rod apparatus of claim 2, wherein the relay rod is connected at both ends to left and right steering rods of the vehicle by ball pins, respectively.
4. A dual rocker arm steering lever apparatus according to claim 3, wherein the end of the second rocker arm remote from the relay lever is connected to a connection mount which is rotatably connected to a support of the vehicle.
5. The dual rocker arm steering lever apparatus according to claim 4, wherein the first rocker arm is provided with a first connecting hole and a second connecting hole, respectively, the first connecting hole is formed in the first rocker arm near one end of the relay lever, the first rocker arm is rotatably connected to one end of the relay lever through the first connecting hole, the second connecting hole is formed in one end of the first rocker arm far away from the relay lever, and the first rocker arm is connected to the output shaft of the steering gear through the second connecting hole.
6. The dual rocker arm steering rod apparatus of claim 5, wherein the second rocker arm has a third connecting hole at one end thereof adjacent to the relay rod, and the second rocker arm is rotatably connected to the other end of the relay rod through the third connecting hole.
7. The dual rocker arm steering column apparatus of claim 6, wherein the first and second rocker arms are each provided with a lightening hole.
8. The dual swing arm steering stem apparatus according to claim 4, wherein the connector includes a swivel post, a connector plate, the connector plate being attached to a top surface of the swivel post, the swivel post being rotatably attached to a support of the vehicle, the connector plate being attached to the second swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990282.5U CN220243359U (en) | 2023-07-27 | 2023-07-27 | Double-rocker steering rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321990282.5U CN220243359U (en) | 2023-07-27 | 2023-07-27 | Double-rocker steering rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220243359U true CN220243359U (en) | 2023-12-26 |
Family
ID=89266569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321990282.5U Active CN220243359U (en) | 2023-07-27 | 2023-07-27 | Double-rocker steering rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220243359U (en) |
-
2023
- 2023-07-27 CN CN202321990282.5U patent/CN220243359U/en active Active
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