CN114179901B - Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof - Google Patents
Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof Download PDFInfo
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- CN114179901B CN114179901B CN202111666789.0A CN202111666789A CN114179901B CN 114179901 B CN114179901 B CN 114179901B CN 202111666789 A CN202111666789 A CN 202111666789A CN 114179901 B CN114179901 B CN 114179901B
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- steering wheel
- driving handle
- shaft
- shaft section
- movable rack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/183—Steering columns yieldable or adjustable, e.g. tiltable adjustable between in-use and out-of-use positions, e.g. to improve access
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
Abstract
The invention discloses a steering column capable of realizing large-angle adjustment of a steering wheel and an adjusting method thereof, wherein the steering column comprises a protective tube, a steering wheel mounting shaft and a locking mechanism suitable for locking or unlocking the protective tube and the steering wheel mounting shaft, the steering wheel mounting shaft comprises a hinged frame, a rear shaft section and a front shaft section, the rear shaft section and the front shaft section are synchronously rotated with the hinged frame, the front shaft section is rotatably connected with the rear shaft section, the hinged frame and the protective tube are rotatably connected with a first rotating shaft, the first rotating shaft is vertical to a central shaft of the protective tube, and the rear shaft section is connected with the steering wheel; the protective tube is rotationally connected with the front shaft section; an avoiding notch which is communicated along the direction vertical to the first rotating shaft is arranged at one end of the protective pipe facing the rear shaft section, so that the rear shaft section can rotate around the first rotating shaft to the inside of the avoiding notch. According to the invention, the rear shaft section is turned over up and down through the hinge frame rotating around the first rotating shaft, and meanwhile, the protective pipe is provided with the avoidance notch.
Description
Technical Field
The invention relates to the technical field of automobile steering, in particular to a steering column capable of realizing large-angle adjustment of a steering wheel and an adjusting method thereof.
Background
Along with the development of the automatic driving automobile, hands can also be separated from the steering wheel, in the automatic driving state, the steering wheel needs larger telescopic distance and angle adjusting range to give a driver a larger activity space, therefore, the angle and height adjustment in a large range are necessary adjustment of the steering column, the current steering column can only realize steering wheel angle adjustment within 5 degrees, in the automatic driving state, the steering wheel still occupies a large space, and under the manual driving condition, the requirements of more customers can not be met.
In addition, the handle used for adjusting the angle of the steering wheel in the prior art is in hard connection, so that the installation position of the handle is limited, and the position of the handle cannot be adjusted according to different vehicle type structures.
Disclosure of Invention
In order to solve the technical problems that in the prior art, the steering wheel still occupies a large space in an automatic driving state due to an excessively small adjusting angle of the steering wheel, and the requirements of more customers cannot be met under the condition of manual driving, the invention provides a steering column capable of adjusting the steering wheel in a large angle and an adjusting method thereof to solve the problems.
The invention provides a steering column capable of realizing large-angle adjustment of a steering wheel, which comprises a protective pipe, a steering wheel mounting shaft and a locking mechanism suitable for locking or unlocking the protective pipe and the steering wheel mounting shaft, wherein the steering wheel mounting shaft comprises a hinge frame, a rear shaft section and a front shaft section, the rear shaft section synchronously rotates with the hinge frame, the front shaft section is rotatably connected with the rear shaft section, the hinge frame and the protective pipe are rotatably connected to a first rotating shaft, the first rotating shaft is vertical to a central shaft of the protective pipe, and the rear shaft section is connected with the steering wheel; the protective pipe is rotationally connected with the front shaft section; an avoiding notch which is communicated along the direction vertical to the first rotating shaft is arranged at one end of the protective pipe facing the rear shaft section, so that the rear shaft section can rotate around the first rotating shaft to the inside of the avoiding notch.
Further, the locking mechanism comprises a driving handle and an actuating mechanism connected with the driving handle, and the driving handle pulls the actuating mechanism horizontally to lock or unlock the actuating mechanism.
Furthermore, the actuating mechanism comprises a pressing mechanism, and a fixed rack and a movable rack which are meshed with each other, the fixed rack is fixedly connected with the protective pipe, the movable rack is hinged with the hinge frame, and the fixed rack is arc-shaped teeth taking the first rotating shaft as a rotating center; the driving handle is suitable for driving the pressing mechanism to press or reversely loosen the movable rack; when the pressing mechanism presses the movable rack, the fixed rack is meshed with the movable rack; when the pressing mechanism loosens the movable rack, the fixed rack is separated from the movable rack.
Furthermore, the pressing mechanism comprises a pressing plate and a return spring, the front end of the pressing plate is connected with the driving handle, the rear end of the pressing plate is connected with the front end of the return spring, and the rear end of the return spring is connected with the hinge frame; the pressing plate is provided with a track groove extending along the front-back direction, the distance between the rear end of the track groove and the fixed rack is smaller than the distance between the front end of the track groove and the fixed rack, and the movable rack is provided with a positioning pin suitable for being inserted into the track groove; when the driving handle pushes the pressing plate forwards, the reset spring is stretched, and the positioning pin is positioned at the rear end of the track groove, so that the pressing plate loosens the movable rack; when the driving handle releases the pressure plate, the return spring is reset, and the positioning pin is positioned at the front end of the track groove, so that the pressure plate presses the movable rack.
Furthermore, a traction line is also arranged between the driving handle and the actuating mechanism, a rotating frame and a line pipe are arranged on the protective pipe, and the driving handle is rotationally connected to the rotating frame; one end of the traction line is connected with the driving handle, the other end of the traction line penetrates through the line pipe to be connected with the actuating mechanism, when the driving handle is pushed to rotate, the traction line is tensioned, and when the driving handle is released, the traction line is loosened.
Furthermore, the connection ends of the front shaft section and the rear shaft section are respectively provided with a first hinged fork and a second hinged fork which are perpendicular to each other, the first hinged fork and the second hinged fork are rotatably connected through a cross shaft, the first hinged fork is connected with a horizontal shaft in the cross shaft, the second hinged fork is connected with a vertical shaft in the cross shaft, and the horizontal shaft and the first rotating shaft are coaxially arranged.
Furthermore, a mounting pipe is sleeved outside the protection pipe, the mounting pipe is fixed with the vehicle body, and an opening is formed in one end of the outer side wall of the mounting pipe; the rotating frame comprises two support lugs fixed on two sides of the opening and a second rotating shaft connected with the two support lugs, and the driving handle is sleeved on the second rotating shaft; when the driving handle is pushed to rotate, the distance between the two support lugs is increased, so that the mounting pipe loosens the protective pipe; when the driving handle is released, the distance between the two support lugs is reduced, so that the mounting tube clamps the protective tube.
Furthermore, a first circumferential limiting lug and a first axial limiting lug which axially protrude are arranged on the end face of the driving handle, and a second circumferential limiting lug and a second axial limiting lug which axially protrude are arranged on the end face of the support lug connected with the end face of the driving handle; when the mounting pipe loosens the protection pipe, the end surfaces of the first axial limiting lug and the second axial limiting lug are mutually abutted; when the mounting pipe clamps the protective pipe, the first axial limiting lug and the second axial limiting lug are circumferentially arranged in a staggered manner; and the opposite side surfaces of the first axial limiting lug and the second axial limiting lug are provided with transition slopes so that the first axial limiting lug and the second axial limiting lug are axially stacked.
Further, the driving handle comprises a rotary disc and a handle part, the rotary disc is connected with the rotary frame in a rotating mode, the handle part extends outwards from the periphery of the rotary disc, an annular groove is formed in one end of the rotary disc, and the pulling line is clamped into the annular groove.
Furthermore, the one end that is close to the clamp plate on the spool still is provided with the link, the link is articulated with spool and articulated frame respectively.
Furthermore, the angle of the hinge frame rotating around the first rotating shaft is-90 degrees.
The invention also provides an adjusting method, which uses the steering column capable of realizing large-angle adjustment of the steering wheel, and comprises the following steps:
s1: loosening the locking mechanism: the driving handle is pushed to rotate, the traction line is tensioned and drives the reset spring to stretch, the pressing plate moves forwards, the positioning pin is located at the rear end of the track groove, the movable rack is loosened by the pressing plate, and the movable rack and the fixed rack can be separated.
S2: the hinge frame is rotated around the first rotating shaft, so that the rear shaft section drives the steering wheel to rotate up and down.
S3: locking a steering wheel: when the driving handle is loosened, the pulling wire is pulled to be loosened, the return spring is reset and drives the pressing plate to move backwards, the positioning pin is located at the front end of the track groove, the pressing plate presses the movable rack, and the movable rack can be meshed with the fixed rack.
The invention has the beneficial effects that:
(1) according to the steering column capable of realizing large-angle adjustment of the steering wheel and the adjusting method thereof, the rear shaft section is connected with the steering wheel, the rear shaft section is turned up and down through the hinge frame rotating around the first rotating shaft, the rear shaft section is connected with the front shaft section, the connecting strength of the rear shaft section is ensured, meanwhile, the protective pipe is provided with the avoidance notch, and when the rear shaft section rotates, the avoidance notch can play an avoidance role, so that the turning angle of the rear shaft section is greatly increased.
(2) According to the invention, the protection tube is locked with the steering wheel mounting shaft in a rack meshing mode, the fixed rack is arc-shaped teeth taking the first rotating shaft as a rotating center, and after the steering wheel mounting shaft rotates, the movable rack connected with the hinge frame can still be meshed with the fixed rack.
(3) The invention utilizes the pressure plate with the track groove to adjust the distance between the fixed rack and the movable rack, realizes the meshing and the separation of the fixed rack and the movable rack, utilizes the return spring as a reverse power source, drives the handle only by providing a traction driving force, can manually operate the locking mechanism to release, can automatically complete the locking, and has simple structure and convenient operation.
(4) The traction line is adopted to connect the driving handle and the pressing plate, the driving handle is changed from hard connection to soft connection, and the installation position of the driving handle can be changed according to requirements, so that the vehicle body structure can be reasonably planned.
(5) The invention can also realize the opening and closing of the angle adjusting function and the height adjusting function simultaneously through the operation of the driving handle, thereby further simplifying the structure and improving the operation convenience.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view (first perspective) of an embodiment of a steering column of the present invention that allows for wide angle adjustment of the steering wheel;
FIG. 2 is a perspective view (second perspective) of an embodiment of a steering column of the present invention that allows for wide angle adjustment of the steering wheel;
FIG. 3 is a top view of an embodiment of a steering column of the present invention that allows for wide angle adjustment of the steering wheel;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 3;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 3;
FIG. 7 is a right side view of an embodiment of a steering column of the present invention that enables wide angle adjustment of the steering wheel;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 7;
FIG. 9 is a sectional view taken along line E-E of FIG. 7;
FIG. 10 is an enlarged view taken at a in FIG. 9;
FIG. 11 is a sectional view taken along line F-F of FIG. 7;
FIG. 12 is an enlarged view of FIG. 11 at b;
FIG. 13 is a perspective view of the drive handle of the present invention (as viewed from the right side of the drive handle);
FIG. 14 is a partial perspective view of the drive handle of the present invention (as viewed from the left side of the drive handle);
FIG. 15 is a schematic end view of a lug of the present invention engaged with a drive handle.
In the figure, 1, a sheath tube, 101, a sleeve, 102, an avoidance notch, 2, a steering wheel mounting shaft, 201, a hinge bracket, 202, a rear shaft section, 2021, a second hinge fork, 203, a front shaft section, 2031, a first hinge fork, 3, a first rotating shaft, 4, a cross shaft, 5, a locking mechanism, 501, a fixed rack, 502, a moving rack, 5021, a positioning pin, 503, a third rotating shaft, 504, a pressure plate, 5041, a track groove, 505, a return spring, 506, a pull wire, 507, a connecting bracket, 6, a first connecting point, 7, a second connecting point, 8, a third connecting point, 9, a rotating bracket, 901, a lug, 9011, a second circumferential limit lug, 9012, a second axial limit lug, 902, a second rotating shaft, 10, a line pipe, 11, a driving handle, 1101, a rotating disc, 11011, a first circumferential limit lug, 11012, a first axial limit lug, a handle, 1201, 12, a mounting tube, 2, a steering wheel mounting shaft, 201, a hinge bracket, a movable rack, 502, a movable rack, a positioning pin, a front shaft, a positioning pin, a second rotating shaft, a track groove, a track, opening 1202, mounting seat 13, chuck 1301 and annular groove.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A steering column capable of realizing large-angle adjustment of a steering wheel comprises a protective tube 1, a steering wheel mounting shaft 2 and a locking mechanism 5 suitable for locking or unlocking the protective tube 1 and the steering wheel mounting shaft 2, wherein the steering wheel mounting shaft 2 comprises a hinged frame 201, a rear shaft section 202 synchronously rotating with the hinged frame 201 and a front shaft section 203 rotatably connected with the rear shaft section 202, the hinged frame 201 and the protective tube 1 are rotatably connected to a first rotating shaft 3, the first rotating shaft 3 is vertical to a central shaft of the protective tube 1, and the rear shaft section 202 is connected with the steering wheel; the protective tube 1 is rotationally connected with the front shaft section 203; the protective tube 1 has an escape notch 102 at one end facing the rear shaft section 202, which extends through in a direction perpendicular to the first rotation axis 3, so that the rear shaft section 202 can rotate about the first rotation axis 3 into the escape notch 102.
The rear shaft section 202 passes through the hinge bracket 201 in a generally axial direction and is rotatably fitted to the hinge bracket 201 by a bearing, the front shaft section 203 is rotatably connected to the rear shaft section 202, the rear shaft section 202 is connected to the guard pipe 1 by a bearing, the front shaft section 203 does not rotate when the rear shaft section 202 rotates with the hinge bracket 201, and the front shaft section 203 and the rear shaft section 202 rotate synchronously when the rear shaft section 202 rotates relative to the hinge bracket 201, that is, rotates around its own center axis. The rear shaft section 202 and the front shaft section 203 are connected to form a connecting shaft for connecting the steering wheel with the power mechanism, so that the connecting shaft can be tensioned, and the steering wheel is prevented from shaking.
When the steering wheel overturns from top to bottom, the hinged frame 201 rotates around the first rotating shaft 3, because the front shaft section 203 is located the protective tube 1, the rear shaft section 202 needs to stretch into the protective tube 1 and be connected with the front shaft section 203, therefore, when the rear shaft section 202 rotates around the first rotating shaft 3, the end part of the protective tube 1 can interfere with the rear shaft section 202, the setting of avoiding the notch 102 can avoid the occurrence of interference phenomenon, the rear shaft section 202 can rotate to avoid the notch 102, thereby the upper and lower turning angle of the steering wheel is greatly increased.
Assuming that the driver is seated in the vehicle, the end of the steering column remote from the steering wheel is located forward and the end near the steering wheel is located rearward.
The adjustment of the up-down turning angle of the steering wheel is mostly controlled by a driving handle 11, the locking mechanism 5 comprises the driving handle 11 and an actuating mechanism connected with the driving handle 11, and the driving handle 11 pulls the actuating mechanism horizontally to lock or unlock the actuating mechanism. The horizontal drawing means drawing along a surface approximately parallel to the central axis of the protective tube 1, and does not occupy excessive radial space.
Example one
As shown in fig. 1 to 7, a steering column capable of realizing steering wheel large-angle adjustment includes a protective tube 1, a steering wheel mounting shaft 2 and a locking mechanism 5 adapted to lock or unlock the protective tube 1 and the steering wheel mounting shaft 2, the steering wheel mounting shaft 2 includes a hinge frame 201, a rear shaft section 202 rotating synchronously with the hinge frame 201 and a front shaft section 203 rotatably connected with the rear shaft section 202, the protective tube 1 and the hinge frame 201 are used for mounting the locking mechanism 5, the front shaft section 203 is used for being matched and hinged with the rear shaft section 202, the structure is balanced, the protective tube 1 is sleeved outside the front shaft section 203, and the protective tube 1 plays a role in supporting and protecting the front shaft section 203. The hinged frame 201 and the protective tube 1 are rotatably connected to a first rotating shaft 3, the first rotating shaft 3 is perpendicular to the central shaft of the protective tube 1, and the rear shaft section 202 is connected with a steering wheel; the protective tube 1 is rotationally connected with the front shaft section 203; the protective tube 1 has an escape notch 102 at one end facing the rear shaft section 202, which extends through in a direction perpendicular to the first rotation axis 3, so that the rear shaft section 202 can rotate about the first rotation axis 3 into the escape notch 102.
The front end of the rear shaft section 202 is connected with the front shaft section 203, the rear end is connected with a steering wheel, the protective tube 1 is in running fit with the front end of the front shaft section 203 through a bearing, the avoidance notch 102 is arranged at the rear end of the protective tube 1, and is respectively arranged up and down (as shown in fig. 4), the maximum upward and downward turning angles of the rear shaft section 202 can reach 90 degrees, namely the angle of the hinge frame 201 rotating around the first rotating shaft 3 is-90 to 90 degrees.
When in the autonomous driving state, the front and rear axle segments 203 and 202 do not need to rotate around the center axis, and the steering wheel can be rotated up or down by 90 °. The steering wheel is hidden, more space is made up, when the steering wheel is in a manual driving state, the steering wheel is required to effectively transmit torque, namely the front shaft section 203 and the rear shaft section 202 need to rotate around the central shaft, and the steering wheel angle adjustment of +/-35 degrees can be realized.
As shown in fig. 4, 5 and 8, the front shaft section 203 and the rear shaft section 202 are respectively provided at their adjoining ends with a first yoke 2031 and a second yoke 2021 perpendicular to each other, and the first yoke 2031 and the second yoke 2021 are rotatably connected by a cross 4, the first yoke 2031 is connected to a horizontal shaft in the cross 4, the second yoke 2021 is connected to a vertical shaft in the cross 4, and the horizontal shaft is coaxially arranged with the first rotation shaft 3. The vertical shaft can be made to rotate about a horizontal axis, and the horizontal axis can also be made to articulate with the first articulation fork 2031, ensuring that the front shaft section 203 can rotate about the horizontal axis relative to the rear shaft section 202 when the steering wheel is turned upside down.
An executing mechanism:
the actuating mechanism comprises a pressing mechanism, and a fixed rack 501 and a movable rack 502 which are meshed with each other, wherein the fixed rack 501 is fixedly connected with the protective pipe 1, the movable rack 502 is hinged with the hinge frame 201, and the fixed rack 501 is an arc-shaped tooth taking the first rotating shaft 3 as a rotating center; the driving handle 11 is adapted to drive the pressing mechanism to press or reversely release the movable rack 502; when the pressing mechanism presses the movable rack 502, the fixed rack 501 is meshed with the movable rack 502; when the pressing mechanism releases the movable rack 502, the fixed rack 501 is separated from the movable rack 502.
As shown in fig. 4, a sleeve 101 is provided to protrude outwards from the exterior of the protection tube 1, and the sleeve 101 is located radially outside the avoidance gap 102 and can protect the avoidance gap 102. As shown in fig. 3, 9 and 10, a horizontal mounting seat is disposed above the casing 101, the fixed rack 501 is fixed on the horizontal mounting seat, the arc-shaped teeth of the fixed rack 501 are arc-shaped structures with the first rotating shaft 3 as a rotating center, the moving rack 502 is located above the fixed rack 501, when the hinge frame 201 rotates, the moving rack 502 is located on the hinge frame 201, so that the teeth of the moving rack 502 rotate approximately around the first rotating shaft 3, and the moving rack 502 can be re-engaged with the fixed rack 501 regardless of the rotating angle, in this embodiment, the rear end of the moving rack 502 and the hinge frame 201 are preferably rotatably connected to a third rotating shaft 503, so as to avoid over-positioning phenomenon, which results in that the hinge frame 201 cannot rotate, specifically, as shown in fig. 5, the third rotating shaft 503 is parallel to the first rotating shaft 3. The moving rack 502 and the fixed rack 501 may be provided with one or more sets in a one-to-one correspondence manner, and in this embodiment, two sets are provided for the moving rack 502 and the fixed rack 501 in a correspondence manner.
The pressing mechanism is used for pressing the movable rack 502 downwards or releasing the movable rack 502 upwards, and the present embodiment may adopt, but is not limited to, the following structure:
the pressing mechanism comprises a pressing plate 504 and a return spring 505, the front end of the pressing plate 504 is connected with the driving handle 11, the rear end of the pressing plate 504 is connected with the front end of the return spring 505, and the rear end of the return spring 505 is connected with the hinge frame 201; a track groove 5041 extending in the front-back direction is formed in the pressure plate 504, the distance between the rear end of the track groove 5041 and the fixed rack 501 is smaller than the distance between the front end of the track groove 5041 and the fixed rack 501, and a positioning pin 5021 suitable for being inserted into the track groove 5041 is arranged on the movable rack 502; when the driving handle 11 pushes the pressing plate 504 forward, the return spring 505 is extended, and the detent pin 5021 is located at the rear end of the track groove 5041, so that the pressing plate 504 releases the movable rack 502; when the driving handle 11 releases the pressing plate 504, the return spring 505 is returned, and the detent pin 5021 is located at the front end of the track groove 5041 to press the pressing plate 504 against the moving rack 502.
As shown in fig. 10 and 12, the pressing plate 504 is composed of a horizontal panel for pressing the rack 502, and a side plate for providing the track groove 5041, the front end of the horizontal panel is connected to the driving handle 11, the rear end is connected to the return spring 505, two ends of the return spring 505 are provided with hooks respectively hooked on the horizontal panel and the hinge frame 201, the return spring 505 is preferably in a stretching state all the time, so that the joint between the return spring 505 and the hinge frame 201 is always stretched, and the return spring 505 does not separate from the hinge frame 201.
When the hinge frame 201 rotates, the movable rack 502 also rotates around the first rotating shaft 3 to a position corresponding to the new position of the fixed rack 501, and because the center of the tooth part of the movable rack 502 is the same as the rotating center of the hinge frame 201, the relative distance between the movable rack 502 and the fixed rack 501 does not change in the rotating process of the hinge frame 201, and meanwhile, the positioning pin 5021 drives the pressing plate 504 to move along with the movable rack 502, the distance between the pressing plate 504 and the movable rack 502 is approximately unchanged, and when locking is required, the driving handle 11 is pushed, and the pressing plate 504 presses the movable rack 502.
The height of the track groove 5041 can be gradually increased from front to back, and also can be composed of a first ascending section, a horizontal section and a second ascending section from front to back, the horizontal section plays a transition role, and the hand feeling is better during operation. When the positioning pin 5021 is clamped at the first rising section, the distance between the positioning pin 5021 and the fixed rack 501 is short, and the movable rack 502 is meshed with the fixed rack 501; when the positioning pin 5021 is clamped at the second rising segment, the positioning pin 5021 is far away from the fixed rack 501, and the movable rack 502 is separated from the fixed rack 501.
In this embodiment, the driving handle 11 can be directly connected to the pressing plate 504, and the driving handle 11 can only be installed at the position of the pressing plate 504.
Example two
The difference between the embodiment and the first embodiment is that a pulling line 506 is further arranged between the driving handle 11 and the actuating mechanism, the protective tube 1 is provided with a rotating frame 9 and a line tube 10, and the driving handle 11 is rotatably connected to the rotating frame 9; one end of the pulling wire 506 is connected with the driving handle 11, the other end of the pulling wire 506 passes through the conduit 10 to be connected with the actuating mechanism, when the driving handle 11 is pushed to rotate, the pulling wire 506 is tightened, and when the driving handle 11 is released, the pulling wire 506 is loosened.
The rotating frame 9 and the conduit 10 are fixed on the protective tube 1, the conduit 10 can set the path of the pulling line 506, so that the pulling line 506 avoids the interference part, and the driving handle 11 drives the pulling line 506 to be tightened and released through the rotation motion.
The actuating mechanism in this embodiment may be the same as that in the first embodiment, and other actuating mechanisms that can implement the locking function may also be used.
When the actuator is the same as in the first embodiment, the pull wires 506 are attached to the platen 504. As shown in fig. 3, three connection points are arranged on the horizontal panel of the pressing plate 504, the first connection point 6 is connected with the return spring 505, the second connection point 7 is flexibly connected with the driving handle 11, the third connection point 8 is connected with the hinge frame 201, the first connection point 6 is flexibly connected, the pressure of the pressing plate 504 on the moving rack 502 is small, and the third connection point 8 can keep the height stability of the pressing plate 504 in the up-and-down direction.
Furthermore, as shown in fig. 1, a connection frame 507 is further disposed at an end of the conduit 10 close to the pressing plate 504, and the connection frame 507 is hinged to the conduit 10 and the hinge frame 201, respectively. The connection frame 507 can support and limit the end of the conduit 10, so that the pressing plate 504 can realize the pressing function.
EXAMPLE III
As shown in fig. 1, 2 and 6, a steering column capable of realizing large-angle adjustment of a steering wheel comprises a protective tube 1, a steering wheel mounting shaft 2 and a locking mechanism 5 suitable for locking or unlocking the protective tube 1 and the steering wheel mounting shaft 2, wherein the locking mechanism 5 comprises a driving handle 11 and an actuating mechanism connected with the driving handle 11, an installation tube 12 is further sleeved outside the protective tube 1, the installation tube 12 is fixed with a vehicle body, and an opening 1201 is formed in one end of the outer side wall of the installation tube 12; the rotating frame 9 comprises two support lugs 901 fixed on two sides of the opening 1201 and a second rotating shaft 902 connected with the two support lugs 901, and the driving handle 11 is sleeved on the second rotating shaft 902; when the driving handle 11 is pushed to rotate, the distance between the two support lugs 901 is increased, so that the mounting tube 12 loosens the protective tube 1; when the driving handle 11 is released, the distance between the two lugs 901 is reduced, so that the mounting tube 12 clamps the protection tube 1.
As shown in fig. 8, the rear half section of the mounting tube 12 is sleeved outside the protection tube 1, the front end of the mounting tube 12 is necked down, the front shaft section 203 is in running fit with the front end of the mounting tube 12 through a bearing, the bottom of the mounting tube 12 is provided with a mounting seat 1202 fixed with a vehicle body, when the distance between the two support lugs 901 is increased, the opening 1201 is loosened, a certain gap is formed between the mounting tube 12 and the protection tube 1, the protection tube 1 and the steering wheel mounting shaft 2 can axially extend and retract relative to the mounting tube 12, so as to adjust the height of the steering wheel, in the structure, the distance between the front end of the protection tube 1 and the front end of the mounting tube 12 can be lengthened to more than 50mm, so as to realize the height adjustment of the steering wheel more than ± 50 mm.
When the actuator in the first embodiment is used and the driving handle 11 and the actuator are connected by the pulling wire 506, the present embodiment can also simultaneously realize locking and unlocking of angle adjustment and height adjustment through the driving handle 11, when the driving handle 11 is manually pulled up, the angle adjustment and the height adjustment are unlocked, the angle and height adjustment of the steering wheel can be performed, and when the driving handle 11 is released, the locking state can be kept normal through the angle adjustment and the height adjustment locking under the action of the return spring 505.
The driving handle 11 can realize the approaching and separating of the two lugs 901 by the following structure:
as shown in fig. 14 and 15, a first circumferential limiting projection 11011 and a first axial limiting projection 11012 which axially protrude are arranged on the end surface of the driving handle 11, and a second circumferential limiting projection 9011 and a second axial limiting projection 9012 which axially protrude are arranged on the end surface of the support lug 901 which is connected with the end surface of the driving handle 11; when the mounting tube 12 loosens the protection tube 1, the end surfaces of the first axial limiting lug 11012 and the second axial limiting lug 9012 are mutually abutted; when the mounting tube 12 clamps the protection tube 1, the first axial limiting lugs 11012 and the second axial limiting lugs 9012 are arranged in a staggered mode in the circumferential direction; and the opposite sides of the first axial limiting projection 11012 and the second axial limiting projection 9012 have transition slopes so that the first axial limiting projection 11012 and the second axial limiting projection 9012 are axially stacked.
As shown in fig. 6, assuming that the driving handle 11 is located at the right side of the protection tube 1, the driving handle 11 is connected with the end surface of the right lug 901, the left end of the driving handle 11 is circumferentially arrayed with four first circumferential limiting projections 11011 and four first axial limiting projections 11012, the first axial limiting projections 11012 are located at the inner periphery of the first circumferential limiting projections 11011, the right end of the right lug 901 is circumferentially arrayed with four second circumferential limiting projections 9011 and four second axial limiting projections 9012 (in other alternative embodiments, a disk may be connected to the right end of the right lug 901, the disk is circumferentially fixed to the right lug 901 and cannot rotate, and four second circumferential limiting projections 9011 and four second axial limiting projections 9012 are provided on the disk, the second axial limiting projections 9012 are located at the inner periphery of the second circumferential limiting projections 9011, the first circumferential limiting projections 11011 and the second circumferential limiting projections 9011 are arranged in an equal radial offset manner, the first circumferential limiting convex blocks 11011 can rotate between two adjacent second circumferential limiting convex blocks 9011, and similarly, the second circumferential limiting convex blocks 9011 can rotate between two adjacent first circumferential limiting convex blocks 11011, the rotation angle range of each of the first circumferential limiting convex blocks 11011 and the second circumferential limiting convex blocks 9011 is the rotation angle range of the driving handle 11, and the first axial limiting convex blocks 11012 and the second axial limiting convex blocks 9012 are arranged in the same circumferential array and are the same in number.
The first axial limiting bump 11012 and the second axial limiting bump 9012 are equal in height, when the driving handle 11 is located at one end of the rotation limit, the first axial limiting bump 11012 and the second axial limiting bump 9012 are arranged in a staggered mode in the circumferential direction, the distance between the driving handle 11 and the right-side support lug 901 is the height of the first axial limiting bump 11012 or the second axial limiting bump 9012, the opening 1201 is opened at the moment, and the mounting tube 12 loosens the protection tube 1. When the driving handle 11 is rotated, the transition slopes of the first axial limiting projection 11012 and the second axial limiting projection 9012 meet, the first axial limiting projection 11012 climbs to the end face of the second axial limiting projection 9012 along the transition slopes, at this time, the distance between the driving handle 11 and the right lug 901 is the sum of the heights of the first axial limiting projection 11012 and the second axial limiting projection 9012, the opening 1201 is reduced, and the mounting pipe 12 clamps the protection pipe 1.
When the driving handle 11 is rotated, the second rotating shaft 902 may be in a fixed state, and for example, the second rotating shaft 902 may be engaged with the non-circumferential surface of the support lug 901 to achieve circumferential position limitation of the second rotating shaft 902.
Further, the driving handle 11 includes a dial 1101 rotatably connected to the turret 9 and a handle 1102 extending outward from an outer periphery of the dial 1101, the handle 1102 is a portion operated by the driver, the turret 9 is further provided with an annular groove 1301, and the pulling wire 506 is inserted into the annular groove 1301. As shown in fig. 13, an annular groove 1301 is provided at the right end of the turntable 1101, the pulling wire 506 is connected to the handle 1102 after bypassing the annular groove 1301, the annular groove 1301 may provide a tightening force for the pulling wire 506, the annular groove 1301 may be provided integrally with the turntable 1101, or may be provided separately, for example, the chuck 13 may be sleeved on the second rotation shaft 902 and rotate synchronously with the turntable 1101, and then the right end of the chuck 13 is axially limited by a nut.
The invention also provides an adjusting method, which uses the steering column capable of realizing large-angle adjustment of the steering wheel, and comprises the following steps:
s1: and (3) loosening the locking mechanism 5: the driving handle 11 is pushed to rotate, then the pull wire 506 is pulled to be tensioned and drive the return spring 505 to stretch, then the pressing plate 504 moves forwards, the positioning pin 5021 moves backwards relative to the pressing plate 504, the positioning pin 5021 is located at the rear end of the track groove 5041, at the moment, the pressing plate 504 releases the movable rack 502, the movable rack 502 can be separated from the fixed rack 501, and the locking of the protective tube 1 and the steering wheel mounting shaft 2 is released.
S2: the hinge bracket 201 is rotated around the first rotating shaft 3, so that the rear shaft section 202 drives the steering wheel to rotate up and down.
S3: locking a steering wheel: firstly, the driving handle 11 is loosened, the pulling wire 506 is loosened, then the return spring 505 is reset and drives the pressure plate 504 to move backwards, the positioning pin 5021 is located at the front end of the track groove 5041, at the moment, the pressure plate 504 presses the movable rack 502, the movable rack 502 can be meshed with the fixed rack 501, and the locking of the protective pipe 1 and the steering wheel mounting shaft 2 is achieved.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", "axial", "radial", "circumferential", and the like are used in the positional or orientational relationships indicated in the drawings only for the convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a can realize steering wheel wide-angle modulation's steering column which characterized in that: the steering wheel locking device comprises a protective tube (1), a steering wheel mounting shaft (2) and a locking mechanism (5) suitable for locking or unlocking the protective tube (1) and the steering wheel mounting shaft (2), wherein the steering wheel mounting shaft (2) comprises a hinged frame (201), a rear shaft section (202) synchronously rotating with the hinged frame (201) and a front shaft section (203) rotatably connected with the rear shaft section (202), the hinged frame (201) and the protective tube (1) are rotatably connected to a first rotating shaft (3), the first rotating shaft (3) is vertical to a central shaft of the protective tube (1), and the rear shaft section (202) is connected with a steering wheel; the protective pipe (1) is rotationally connected with the front shaft section (203);
an avoiding notch (102) which is communicated along the direction vertical to the first rotating shaft (3) is arranged at one end of the protective tube (1) facing the rear shaft section (202) so that the rear shaft section (202) can rotate around the first rotating shaft (3) to the inside of the avoiding notch (102);
the locking mechanism (5) comprises a driving handle (11) and an actuating mechanism connected with the driving handle (11), and the driving handle (11) horizontally pulls the actuating mechanism to lock or unlock the actuating mechanism; the actuating mechanism comprises a pressing mechanism, and a fixed rack (501) and a movable rack (502) which are meshed with each other, the fixed rack (501) is fixedly connected with the protective pipe (1), the movable rack (502) is hinged with the hinge frame (201), and the fixed rack (501) is an arc-shaped tooth taking the first rotating shaft (3) as a rotating center;
the driving handle (11) is suitable for driving the pressing mechanism to press or reversely loosen the movable rack (502);
when the pressing mechanism presses against the movable rack (502), the fixed rack (501) is meshed with the movable rack (502); when the pressing mechanism releases the movable rack (502), the fixed rack (501) is separated from the movable rack (502); the pressing mechanism comprises a pressing plate (504) and a return spring (505), the front end of the pressing plate (504) is connected with the driving handle (11), the rear end of the pressing plate (504) is connected with the front end of the return spring (505), and the rear end of the return spring (505) is connected with the hinge frame (201);
a track groove (5041) extending in the front-back direction is formed in the pressure plate (504), the distance between the rear end of the track groove (5041) and the fixed rack (501) is smaller than the distance between the front end of the track groove (5041) and the fixed rack (501), and a positioning pin (5021) suitable for being inserted into the track groove (5041) is arranged on the movable rack (502); when the driving handle (11) pushes the pressure plate (504) forwards, the return spring (505) is stretched, and the positioning pin (5021) is positioned at the rear end of the track groove (5041) so that the pressure plate (504) releases the movable rack (502); when the driving handle (11) releases the pressure plate (504), the return spring (505) is returned, and the positioning pin (5021) is positioned at the front end of the track groove (5041) so that the pressure plate (504) is pressed to the movable rack (502).
2. The steering column capable of realizing large-angle adjustment of the steering wheel according to claim 1, wherein: a traction line (506) is further arranged between the driving handle (11) and the actuating mechanism, a rotating frame (9) and a line pipe (10) are arranged on the protective pipe (1), and the driving handle (11) is rotatably connected to the rotating frame (9);
one end of the pulling wire (506) is connected with the driving handle (11), the other end of the pulling wire (506) penetrates through the line pipe (10) to be connected with the executing mechanism, when the driving handle (11) is pushed to rotate, the pulling wire (506) is tensioned, and when the driving handle (11) is released, the pulling wire (506) is loosened.
3. The steering column capable of realizing large-angle adjustment of the steering wheel according to claim 2, wherein: a mounting pipe (12) is further sleeved outside the protective pipe (1), the mounting pipe (12) is fixed with the vehicle body, and an opening (1201) is formed in one end of the outer side wall of the mounting pipe (12);
the rotating frame (9) comprises two support lugs (901) fixed on two sides of the opening (1201) and a second rotating shaft (902) connected with the two support lugs (901), and the driving handle (11) is sleeved on the second rotating shaft (902); when the driving handle (11) is pushed to rotate, the distance between the two support lugs (901) is increased, so that the mounting pipe (12) loosens the protective pipe (1); when the driving handle (11) is released, the distance between the two support lugs (901) is reduced, so that the mounting tube (12) clamps the protective tube (1).
4. The steering column capable of realizing large-angle adjustment of the steering wheel according to claim 3, wherein: a first circumferential limiting lug (11011) and a first axial limiting lug (11012) which are axially protruded are arranged on the end surface of the driving handle (11), and a second circumferential limiting lug (9011) and a second axial limiting lug (9012) which are axially protruded are arranged on the end surface of the support lug (901) which is connected with the end surface of the driving handle (11);
when the protective pipe (1) is loosened from the mounting pipe (12), the end surfaces of the first axial limiting lug (11012) and the second axial limiting lug (9012) are mutually abutted; when the protective pipe (1) is clamped by the mounting pipe (12), the first axial limiting lugs (11012) and the second axial limiting lugs (9012) are arranged in a staggered mode in the circumferential direction;
and the opposite side surfaces of the first axial limiting lug (11012) and the second axial limiting lug (9012) are provided with transition slopes, so that the first axial limiting lug (11012) and the second axial limiting lug (9012) are axially stacked.
5. The steering column capable of realizing large-angle adjustment of the steering wheel according to claim 1, wherein: the front shaft section (203) and the rear shaft section (202) are connected at the ends respectively through a first hinged fork (2031) and a second hinged fork (2021), the first hinged fork (2031) and the second hinged fork (2021) are perpendicular to each other and rotatably connected through a cross shaft (4), the first hinged fork (2031) is connected with a horizontal shaft in the cross shaft (4), the second hinged fork (2021) is connected with a vertical shaft in the cross shaft (4), and the horizontal shaft and the first rotating shaft (3) are coaxially arranged.
6. The steering column capable of realizing large-angle adjustment of the steering wheel according to claim 1, wherein: the angle of rotation of the hinge frame (201) around the first rotating shaft (3) is-90 degrees.
7. A method of conditioning, characterized by: the method uses the steering column capable of realizing steering wheel large-angle adjustment according to any one of claims 2 to 6, and comprises the following steps:
s1: releasing the locking mechanism (5): the driving handle (11) is pushed to rotate, the pulling wire (506) is tensioned and drives the reset spring (505) to stretch, the pressing plate (504) moves forwards, the positioning pin (5021) is located at the rear end of the track groove (5041), the pressing plate (504) releases the movable rack (502), and the movable rack (502) can be separated from the fixed rack (501);
s2: the hinged frame (201) is rotated around the first rotating shaft (3), so that the rear shaft section (202) drives the steering wheel to rotate up and down;
s3: locking a steering wheel: when the driving handle (11) is loosened, the pulling wire (506) is loosened, the return spring (505) is reset and drives the pressing plate (504) to move backwards, the positioning pin (5021) is located at the front end of the track groove (5041), the pressing plate (504) presses the movable rack (502), and the movable rack (502) can be meshed with the fixed rack (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666789.0A CN114179901B (en) | 2021-12-31 | 2021-12-31 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111666789.0A CN114179901B (en) | 2021-12-31 | 2021-12-31 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114179901A CN114179901A (en) | 2022-03-15 |
| CN114179901B true CN114179901B (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111666789.0A Active CN114179901B (en) | 2021-12-31 | 2021-12-31 | Steering column capable of realizing large-angle adjustment of steering wheel and adjusting method thereof |
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| CN1547537A (en) * | 2001-12-27 | 2004-11-17 | �ձ�������ʽ���� | Vehicle tilt type steering device |
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| KR20080007973A (en) * | 2006-07-19 | 2008-01-23 | 현대모비스 주식회사 | Streeing column of vehicles |
| EP2567878A1 (en) * | 2011-09-09 | 2013-03-13 | Autoliv Development AB | A steering column arrangement |
| CN104284827A (en) * | 2012-02-22 | 2015-01-14 | 富士自动技术股份公司 | Arrangement for steering column of vehicle |
| CN110962914A (en) * | 2019-11-22 | 2020-04-07 | 江苏格尔顿传动有限公司 | Double-end pneumatic steering column assembly |
| CN211032717U (en) * | 2019-10-24 | 2020-07-17 | 北京恒天鑫能新能源汽车技术有限公司 | Steering device and vehicle with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100186536A1 (en) * | 2009-01-29 | 2010-07-29 | Trw Automotive U.S. Llc | Steering column memory mechanism |
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2021
- 2021-12-31 CN CN202111666789.0A patent/CN114179901B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1547537A (en) * | 2001-12-27 | 2004-11-17 | �ձ�������ʽ���� | Vehicle tilt type steering device |
| CN1550395A (en) * | 2003-05-15 | 2004-12-01 | �����Զ�����ҵ��ʽ���� | Steering post support device |
| KR20080007973A (en) * | 2006-07-19 | 2008-01-23 | 현대모비스 주식회사 | Streeing column of vehicles |
| EP2567878A1 (en) * | 2011-09-09 | 2013-03-13 | Autoliv Development AB | A steering column arrangement |
| CN104284827A (en) * | 2012-02-22 | 2015-01-14 | 富士自动技术股份公司 | Arrangement for steering column of vehicle |
| CN211032717U (en) * | 2019-10-24 | 2020-07-17 | 北京恒天鑫能新能源汽车技术有限公司 | Steering device and vehicle with same |
| CN110962914A (en) * | 2019-11-22 | 2020-04-07 | 江苏格尔顿传动有限公司 | Double-end pneumatic steering column assembly |
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| Publication number | Publication date |
|---|---|
| CN114179901A (en) | 2022-03-15 |
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Address after: 213000 No. 368, Longjin Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Kuntai vehicle system (Changzhou) Co.,Ltd. Address before: No. 368, Longjin Road, Jingkai District, Changzhou City, Jiangsu Province, 213000 Patentee before: KUNTYE VEHICLE SYSTEM (CHANGZHOU) Co.,Ltd. |
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