CN214524036U - Steering column and automobile using same - Google Patents
Steering column and automobile using same Download PDFInfo
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- CN214524036U CN214524036U CN202120310898.8U CN202120310898U CN214524036U CN 214524036 U CN214524036 U CN 214524036U CN 202120310898 U CN202120310898 U CN 202120310898U CN 214524036 U CN214524036 U CN 214524036U
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Abstract
The utility model belongs to the automobile field specifically provides a steering column. The utility model discloses aim at solving the current slow problem of steering column governing speed. For this purpose, the steering column of the utility model comprises a driving device, two output ends of the driving device are respectively connected with one end of the first shaft body and one end of the second shaft body, and are arranged to drive the second shaft body to rotate and move along the first shaft body without relative displacement with the second shaft body; the other end of the first shaft body is fixed with the fixing frame, the other end of the second shaft body is in spiral transmission connection with the connecting block, the fixing frame is provided with a slidable first sliding rod, and the fixing frame and the connecting block fixed on the first sliding rod are close to or far away from the driving device. The utility model discloses a first axis body of steering column's drive and second axis body to axial displacement on the first axis body, axial displacement is done on the second axis body to the connecting block, makes connecting block and first slide bar obtain two axial velocity, and the slip velocity of first slide bar is faster.
Description
Technical Field
The utility model belongs to the technical field of the car, specifically provide a steering column and use this steering column's car.
Background
With the development of science and technology and the improvement of living standard of people, automobiles become an indispensable part of daily life of people. An automobile steering column is a steering mechanism for connecting a steering wheel and a steering gear, and plays an important role in an automobile steering system. As the autodrive technology matures, more and more vehicle enterprises are beginning to configure autodrive functions for vehicles. Autonomous driving allows the onboard computer to operate the motor vehicle automatically and safely without any human active operation. A car that is normally equipped with an automatic driving function can also be switched into a manual driving mode. When the automobile is switched to a manual driving mode, a driver can control the running of the automobile by operating a steering wheel, an accelerator pedal and a brake pedal. When the automobile is switched to the automatic driving mode, the automobile can be automatically driven according to the road condition after planning a path. When the automatic driving mode and the manual driving mode are switched with each other, the adjusting distance of the steering column is increased frequently for meeting the adjusting requirement of the steering wheel in the cab, but the adjusting distance of the steering column is increased, so that the adjusting time is prolonged under the condition of unchanged adjusting speed, and the driving experience of a driver is further reduced.
Accordingly, there is a need in the art for a new steering column that solves the problem of the slow adjustment speed of existing steering columns.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems in the prior art, that is, to solve the problem of slow adjustment speed of the existing steering column, the utility model provides a steering column, which comprises a fixing frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first slide bar; the output end of the driving device is connected with one end of the first shaft body and is arranged to move along the first shaft body, the output end of the driving device is also connected with one end of the second shaft body and is arranged to be capable of driving the second shaft body to rotate, and the driving device and the second shaft body do not have relative displacement; the other end of the first shaft body is fixedly connected with the fixing frame, the other end of the second shaft body is in spiral transmission connection with the connecting block, and when the driving device drives the first shaft body and the second shaft body, the fixing frame and the connecting block are close to the driving device or far away from the driving device simultaneously; the first sliding rod is slidably arranged on the fixed frame; the connecting block is fixed on the first sliding rod.
In a preferred technical scheme of the steering column, the steering column comprises a transmission device, the transmission device comprises a worm, a first worm wheel and a second worm wheel, the first worm wheel and the second worm wheel are respectively in transmission connection with the worm, the driving device drives the worm to rotate, the first worm wheel is provided with a threaded hole, the first shaft body is in screw transmission in the threaded hole, and the second shaft body is fixedly connected with the second worm wheel.
In a preferred technical solution of the steering column, the first worm wheel and the second worm wheel have opposite rotation directions, and the first shaft body and the second shaft body are provided with a positive thread or a negative thread at the same time.
In a preferred technical solution of the above steering column, the steering column further includes a second slide bar, the second slide bar is slidably disposed on the fixed frame, the first slide bar is slidably inserted into the second slide bar, and the driving device is fixed on the second slide bar.
In the preferable technical scheme of the steering column, the outer side of the first slide bar is provided with an external spline, and correspondingly, the inner side of the second slide bar is provided with a corresponding internal spline.
In a preferred technical scheme of the steering column, the first shaft body is a first lead screw or a first threaded shaft, the second shaft body is a second lead screw or a second threaded shaft, and the corresponding connecting block is a lead screw nut or a threaded nut; the driving device is connected to the first sliding rod in a sliding mode; or the driving device is connected to the fixed frame in a sliding manner; the driving device is a motor or the combination of the motor and a speed reducer.
The utility model also provides a steering column, which is characterized in that the steering column comprises a fixed frame, a driving device, a first shaft body, a second shaft body and a first slide bar; the output end of the driving device is connected with one end of the first shaft body and is set to move along the first shaft body, and the output end of the driving device is also connected with one end of the second shaft body and is set to move along the second shaft body; the other end of the first shaft body is fixedly connected with the fixed frame, the other end of the second shaft body is fixedly connected with the first sliding rod, and when the driving device drives the first shaft body and the second shaft body, the fixed frame and the first sliding rod are close to the driving device or far away from the driving device simultaneously; the first sliding rod is slidably arranged on the fixed frame.
The utility model also provides a steering column, which is characterized in that the steering column comprises a fixed frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first slide bar; the output end of the driving device is connected with one end of the first shaft body, the driving device is arranged to drive the first shaft body to rotate, the driving device and the first shaft body do not have relative displacement, and the output end of the driving device is also connected with one end of the second shaft body and is arranged to move along the second shaft body; the other end of the first shaft body is in spiral transmission connection with the connecting block, the other end of the second shaft body is fixedly connected with the first sliding rod, and when the driving device drives the first shaft body and the second shaft body, the first sliding rod and the connecting block are close to the driving device or far away from the driving device at the same time; the first sliding rod is slidably arranged on the fixed frame; the connecting block is fixed on the fixing frame.
The utility model also provides a steering column, which is characterized in that the steering column comprises a fixed frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first slide bar; the output end of the driving device is connected with one end of the first shaft body, the output end of the driving device is also connected with one end of the second shaft body, the driving device is arranged to drive the first shaft body and the second shaft body to rotate, and the driving device and the first shaft body and the second shaft body do not have relative displacement respectively; the other end of the first shaft body is in spiral transmission connection with the connecting block, and the connecting block is fixed on the fixing frame; the other end of the second shaft body is in spiral transmission connection with the other connecting block, and the connecting block is fixed on the first sliding rod; when the driving device drives the first shaft body and the second shaft body to rotate, the two connecting blocks are close to the driving device or far away from the driving device at the same time; the first sliding rod is slidably arranged on the fixed frame.
The utility model also provides an automobile, the automobile includes any one of above-mentioned technical scheme steering column.
The steering column of the present invention includes a fixing frame, a driving device, a first shaft, a second shaft, a connecting block, and a first sliding rod; the output end of the driving device is connected with one end of the first shaft body and is set to move along the first shaft body, the output end of the driving device is also connected with one end of the second shaft body and is set to be capable of driving the second shaft body to rotate, and the driving device and the second shaft body do not have relative displacement; the other end of the first shaft body is fixedly connected with the fixing frame, the other end of the second shaft body is in spiral transmission connection with the connecting block, and when the driving device drives the first shaft body and the second shaft body, the fixing frame and the connecting block are close to the driving device or far away from the driving device at the same time; the first sliding rod is slidably arranged on the fixed frame; the connecting block is fixed on the first slide bar.
In this setting mode, the utility model discloses a steering column's drive arrangement during first axis body and the second axis body of simultaneous drive, the fixed setting of mount, the first axis body other end and mount fixed connection, thereby drive arrangement is axial displacement on first axis body, drive arrangement does not have relative displacement with the second axis body, the second axis body other end and connecting block screwed connection, make the second axis body and connecting block be axial displacement along with drive arrangement on first axis body, when the second axis body rotates, the equidirectional axial displacement is done on the second axis body to the connecting block, thereby make the connecting block obtain the stack of two axial displacement speeds, because the connecting block is fixed on first slide bar, thereby make first slide bar obtain the stack of two equidirectional axial velocity, make the sliding velocity of first slide bar faster, thereby make steering column's governing speed faster.
In the case of identical adjustment lengths of the slide rods, the conventional steering column generally increases the adjustment speed of the steering column by increasing the number of the drive devices or increasing the rotational speed of the drive devices, but in the case of a constant torque of the conventional drive devices, increasing the rotational speed of the drive devices requires correspondingly more powerful drive devices, which not only greatly increases the cost of the drive devices, but also does not accommodate too many or too large drive devices in the limited space of the steering column. This scheme compares in current steering column, under the unchangeable circumstances of drive arrangement parameter, drive arrangement drives first axis body and second axis body simultaneously, through first axis body and mount fixed connection, and the helical drive of second axis body and connecting block, make first slide bar pass through the connecting block and obtained two axial displacement speed simultaneously, thereby make the axial displacement speed of first slide bar faster, thereby make the steering column of this scheme faster than the speed that current steering column adjusted the steering wheel, the energy consumption has been practiced thrift, transmission efficiency has been improved, adjusting time has been shortened greatly, and helical drive simple structure is reliable, the high fault rate of transmission efficiency is low, the installation is maintained portably, the cost is saved, driver's use experience has been promoted.
Drawings
The steering column of the present invention is described below with reference to the accompanying drawings. In the drawings:
fig. 1 is a schematic structural view of a first embodiment of a steering column according to the present invention;
fig. 2 is a schematic structural view of a transmission device according to a first embodiment of the steering column of the present invention;
fig. 3 is an assembly schematic view of the driving device, the first shaft body and the second shaft body according to the first embodiment of the steering column of the present invention;
list of reference numerals:
1-a fixed frame, 2-a driving device, 21-a motor, 3-a first shaft body, 31-a first lead screw, 4-a connecting block, 41-a lead screw nut, 5-a second shaft body, 51-a second lead screw, 6-a first slide bar, 7-a second slide bar, 8-a transmission device, 81-a first worm wheel, 82-a second worm wheel and 83-a worm.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the driving device 2 is described as the motor 21 in the specification, it is obvious that the present invention can adopt other various driving forms, such as pneumatic driving, hydraulic driving, etc., as long as the driving device 2 has the effect of driving the first shaft body 1 and the second shaft body 5.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model discloses a steering column provides first embodiment: as shown in fig. 1, in order to solve the problem of slow speed adjustment of the conventional steering column, the steering column of the present invention includes a fixing frame 1, a driving device 2, a first shaft 3, a second shaft 5, a connecting block 4, and a first slide bar 6; the output end of the driving device 2 is connected with one end of the first shaft body 3 and is set to move the driving device 2 along the first shaft body 3, the output end of the driving device 2 is also connected with one end of the second shaft body 5 and is set to be capable of driving the second shaft body 5 to rotate, and the driving device 2 and the second shaft body 5 do not have relative displacement; the other end of the first shaft body 3 is fixedly connected with the fixed frame 1, the other end of the second shaft body 5 is in spiral transmission connection with the connecting block 4, and when the driving device 2 drives the first shaft body 3 and the second shaft body 5, the fixed frame 1 and the connecting block 4 are close to the driving device 2 or far away from the driving device 2 at the same time; the first slide bar 6 is slidably arranged on the fixed frame 1; the connecting block 4 is fixed to the first slide bar 6, so that the steering column is adjusted more quickly.
The setting mode has the advantages that: when the driving device 2 of the steering column of the utility model drives the first shaft body 3 and the second shaft body 5 simultaneously, the fixing frame 1 is fixedly arranged, the other end of the first shaft body 3 is fixedly connected with the fixing frame 1, so that the driving device 2 moves axially on the first shaft body 3, the driving device 2 and the second shaft body 5 do not have relative displacement, the other end of the second shaft body 5 is spirally connected with the connecting block 4, so that the second shaft body 5 and the connecting block 4 move axially on the first shaft body 3 along with the driving device 2, when the second shaft body 5 rotates, the connecting block 4 axially moves on the second shaft body 5 in the same direction, so that the connecting block 4 obtains the superposition of two axial moving speeds, because the connecting block 4 is fixed on the first slide bar 6, the first slide bar 6 obtains the superposition of two axial speeds in the same direction, the sliding speed of the first slide bar 6 is faster, and the adjusting speed of the steering column is faster.
In the case of identical adjustment lengths of the slide rods, the conventional steering column generally increases the adjustment speed of the steering column by increasing the number of the drive devices or increasing the rotational speed of the drive devices, but in the case of a constant torque of the conventional drive devices, increasing the rotational speed of the drive devices requires correspondingly more powerful drive devices, which not only greatly increases the cost of the drive devices, but also does not accommodate too many or too large drive devices in the limited space of the steering column. This scheme compares in current steering column, under the unchangeable circumstances of drive arrangement 2 parameter, drive arrangement 2 drives primary shaft body 3 and secondary shaft body 5 simultaneously, through primary shaft body 3 and 1 fixed connection of mount, and the helical drive of secondary shaft body 5 and connecting block 4, make first slide bar 6 obtain two axial displacement speed simultaneously through connecting block 4, thereby make the axial displacement speed of first slide bar 6 faster, thereby make the steering column of this scheme speed of steering column than current steering column regulation steering wheel faster, the energy consumption has been practiced thrift, transmission efficiency has been improved, the adjust time has been shortened greatly, and helical drive simple structure is reliable, the high fault rate of transmission efficiency is low, the installation is maintained portably, the cost is saved, driver's use experience has been promoted.
With further reference to fig. 1, a first embodiment of the steering column of the present invention will be described in detail.
As shown in fig. 1, in a possible embodiment, the steering column includes a transmission device 8, the transmission device 8 includes a worm 83, a first worm wheel 81, and a second worm wheel 82, the first worm wheel 81 and the second worm wheel 82 are respectively in transmission connection with the worm 83, the driving device 2 drives the worm 83 to rotate, the first worm wheel 81 is provided with a threaded hole, the first shaft body 3 is in screw transmission in the threaded hole, the second shaft body 5 is fixedly connected with the second worm wheel 82, the rotation directions of the first worm wheel 81 and the second worm wheel 82 are opposite, and the first shaft body 3 and the second shaft body 5 are simultaneously provided with a positive screw thread or a negative screw thread.
The setting mode has the advantages that: the driving device 2 drives the worm 83 to rotate, so as to drive the first worm wheel 81 and the second worm wheel 82 to rotate, the first shaft body 3 is in threaded connection with a threaded hole arranged on the first worm wheel 81, one end of the first shaft body 3 is fixedly connected with the fixing frame 1, so that the driving device 2 and the transmission device 8 move axially on the first shaft body 3, the second shaft body 5 is fixedly connected with the second worm wheel 82 and moves without displacement with the driving device 2, the second shaft body 5 and the connecting block 4 arranged on the second shaft body 5 move axially on the first shaft body 3 along with the driving device 2, the second shaft body 5 rotates along with the second worm wheel 82, the connecting block 4 on the second shaft body 5 is in threaded transmission with the second shaft body 5, and therefore the connecting block 4 moves axially on the second shaft body 5. The first worm wheel 81 and the second worm wheel 82 rotate in opposite directions, and the first shaft body 3 and the second shaft body 5 are simultaneously provided with threads with the same rotation direction, so that the axial moving directions of the driving device 2 and the connecting block 4 are the same. Therefore, the connecting block 4 obtains two axial moving speeds, and the connecting block 4 is fixed on the first sliding rod 6, so that the first sliding rod 6 obtains superposition of the two axial moving speeds, the telescopic sliding of the first sliding rod is faster, and the adjusting speed of the steering column is correspondingly accelerated.
In a possible embodiment, as shown in fig. 1, the steering column further comprises a second slide bar 7, the second slide bar 7 being slidably arranged on the fixed frame 1, the first slide bar 6 being slidably inserted into the second slide bar 7, and the driving device 2 being fixed to the second slide bar 7. The outer side of the first slide bar 6 is provided with external splines, and correspondingly, the inner side of the second slide bar 7 is provided with corresponding internal splines. The drive means 2 is a motor 21.
The setting mode has the advantages that: the first slide bar 6 is provided with an external spline, the second slide bar 7 is provided with an internal spline, the first slide bar 6 and the second slide bar 7 are circumferentially fixed through the matching connection of the internal spline and the external spline, and the first slide bar 6 can stretch and slide in the second slide bar 7. The second sliding rod 7 which can slide and stretch is arranged on the first sliding rod 6, so that the adjusting length of the sliding rod is correspondingly increased, and the adjusting distance of the steering column is larger. The motor 21 drives the first shaft body 3 and the second shaft body 5, the motor 21 axially moves on the first shaft body 3, meanwhile, the motor 21 drives the second shaft body 5 and the second sliding rod 7 to axially move on the first shaft body 3, and the connecting block 4 axially moves on the second shaft body 5 in the same direction, so that the first sliding rod 6 fixedly connected with the connecting block 4 is superposed with the two axially moving in the same direction, and the moving speed of the steering column is higher.
The first slide bar 6 is reliable with the simple structure of second slide bar 7 through splined connection, when realizing that circumference is fixed, can also the axial slip flexible, and first slide bar 6 slides flexible in second slide bar 7, has increased steering column's adjustment distance in limited space, and corresponding use that has also promoted the driver is experienced. The electric adjusting mode of the steering column is more convenient and efficient, the cost is low, and the motor 21 is more convenient to install and maintain. The motor 21 is fixedly connected to the second sliding rod 7, so that the motor 21 is more convenient and stable to mount and fix, the structure is simpler, and power is better provided for the steering column.
As shown in fig. 1, in a possible embodiment, the first shaft 3 is a first lead screw 31, the second shaft 5 is a second lead screw 51, the corresponding connecting block 4 is a lead screw nut 41, and the driving device 2 is slidably connected to the first slide bar 6; alternatively, the driving device 2 is slidably connected to the fixing frame 1.
The setting mode has the advantages that: the driving device 2 drives the first lead screw 31 and the second lead screw 51, the driving device 2 axially moves on the first lead screw 31, and the second lead screw 51 is in screw transmission with the lead screw nut 41, so that the first slide bar 6 slides faster. The screw transmission structure of the screw rod and the screw nut has the advantages of small friction resistance moment, high transmission efficiency and precision, good system rigidity and long service life. The driving device 2 can be arranged at different positions according to the structure and the installation requirement of the steering column, so that the driving device 2 is more flexible to install, and the steering column can adapt to various different equipment and installation requirements.
In conclusion, the steering column is additionally provided with the second slide rod 7 on the basis that the first slide rod 6 capable of sliding and stretching is arranged on the fixing frame 1, the second slide rod 7 can slide and stretch in the first slide rod 6, and a sliding and stretching structure is sleeved in the limited space of the steering column, so that the space utilization rate is improved, and meanwhile, the adjusting distance of the steering column is longer, and the adjustable range is larger. The motor 21 drives the first lead screw 31 and the second lead screw 51, the motor 21 axially moves on the first lead screw 31, meanwhile, the motor 21 drives the second lead screw 51 and the second slide bar 7 to axially move on the first lead screw 31, and the lead screw nut 41 axially moves on the second lead screw 51 in the same direction, so that the lead screw nut 41 obtains the superposition of two axial movement speeds, the first slide bar 6 obtains the superposition of two axial movement speeds in the same direction, and the movement speed of the steering column is higher. Under the condition of not changing the parameters of the motor 21, the adjusting speed of the steering column is increased, and the problem of low adjusting speed of the existing steering column is solved. The whole structure is stable, the abrasion is small, the precision is high, the cost is low, and the processing and the manufacturing are easy.
It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above-mentioned structure without deviating from the principle of the present invention, so that the present invention can be applied to more specific application scenarios.
For example, in an alternative embodiment, the driving device 2 may be a motor 21 or a combination of a motor and a speed reducer, or other driving forms, such as pneumatic driving or hydraulic driving, as long as the driving effect of the first shaft 3 and the second shaft 5 is achieved, which do not depart from the principle of the present invention, and thus all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the first shaft 3 is provided as a first lead screw 31, and the second shaft 5 is provided as a first threaded shaft, and the corresponding connecting block 4 is provided as a lead screw nut 41 or a threaded nut, or other structural forms are possible, as long as the driving device 2 can move on the first shaft 3 and the second shaft 5 and the connecting block 4 are in screw transmission, which do not deviate from the principle of the present invention, and therefore all will fall within the protection scope of the present invention.
For example, in another alternative embodiment, the drive means 2 are slidingly coupled to the first slide bar 6; or, drive arrangement 2 sliding connection is on mount 1, or also can be other mounted position, as long as can be fixed drive arrangement 2 to do not influence its with primary shaft body 3, secondary shaft body 5 the transmission be connected can, these all do not deviate the utility model discloses a principle, consequently all will fall into the utility model discloses an within the scope of protection.
For example, in another alternative embodiment, the first sliding rod 6 may be a galvanized steel pipe or a stainless steel pipe, a square pipe or an oval pipe, or other structures as long as the first sliding rod is slidably disposed on the fixing frame 1, and the connecting block 4 can be fixed on the first sliding rod 6, and the second sliding rod 7 is similar, which do not deviate from the principle of the present invention, and therefore all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the first slide bar 6 and the second slide bar 7 are connected by splines to realize circumferential fixing and sliding connection therebetween, so that the first slide bar 6 can slide and stretch in the second slide bar 7, or can also be in a form of setting a slider and a chute, or can also realize stretching of the first slide bar 6 and the second slide bar by spiral rotation, or can also be in a form of a conventional piston, or can also be in other structural forms, as long as the first slide bar 6 can stretch and contract in the second slide bar 7, which do not deviate from the principle of the present invention, and therefore all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the utility model discloses a steering column is provided with first slide bar 6 and the second slide bar 7 that can slide and stretch out and draw back, and then has increased steering column's adjustment distance, and steering column can also set up the adjustment distance that the slip was flexible such as third slide bar or fourth slide bar on this basis increases steering column like this, as long as can increase the adjusting length of slide bar can, these do not deviate yet the utility model discloses a principle, consequently all will fall into the protection scope within.
For example, in another alternative embodiment, the fixing frame 1 is not limited to a frame structure, but may be a housing or other structures as long as the first sliding rod 6 can be slidably disposed thereon and the connecting block 4 can be fixed thereon, which do not depart from the principle of the present invention, and thus all fall within the protection scope of the present invention.
For example, in another alternative embodiment, the transmission device 8 may realize the transmission connection between the driving device 2 and the first shaft body 3 and the second shaft body 5 through a worm and gear structure, or may also realize the transmission connection between the transmission device 8 and the first shaft body 3 and the second shaft body 5 through other structural forms, such as a gear transmission structure, a screw transmission structure, etc., which do not deviate from the principle of the present invention, and thus all fall within the protection scope of the present invention.
The utility model discloses a steering column provides the second kind of embodiment: comprises a fixed frame 1, a driving device 2, a first shaft body 3, a second shaft body 5 and a first slide bar 6; the output end of the driving device 2 is connected with one end of the first shaft body 3 and is set to move the driving device 2 along the first shaft body 3, and the output end of the driving device 2 is also connected with one end of the second shaft body 5 and is set to move the driving device 2 along the second shaft body 5; the other end of the first shaft body 3 is fixedly connected with the fixed frame 1, the other end of the second shaft body 5 is fixedly connected with the first sliding rod 6, and when the driving device 2 drives the first shaft body 3 and the second shaft body 5, the fixed frame 1 and the first sliding rod 6 are close to the driving device 2 or far away from the driving device 2 simultaneously; the first slide bar 6 is slidably disposed on the fixed frame 1.
On the basis of the first embodiment, the driving device 2 moves along the first rotating shaft 3 and simultaneously drives the second rotating shaft 5 to rotate, the driving device 2 is modified to move axially along the first shaft body 3 and simultaneously move axially along the second shaft body 5, the other end of the second shaft body 5 is fixedly connected with the first sliding rod 6, the second rotating shaft 5 drives the first sliding rod 6 to move axially in the same direction in the driving device while the driving device 2 moves axially on the first rotating shaft 3, and therefore the first sliding rod 6 is overlapped at two axial movement speeds, and the adjusting speed of the steering column is faster.
The utility model discloses a steering column provides the third kind of embodiment: the device comprises a fixed frame 1, a driving device 2, a first shaft body 3, a second shaft body 5, a connecting block 4 and a first sliding rod 6; the output end of the driving device 2 is connected with one end of the first shaft body 3, the driving device 2 is arranged to drive the first shaft body 3 to rotate, the driving device 2 and the first shaft body 3 do not have relative displacement, the output end of the driving device 2 is also connected with one end of the second shaft body 5 and is arranged to drive the driving device 2 to move along the second shaft body 5; the other end of the first shaft body 3 is in spiral transmission connection with the connecting block 4, the other end of the second shaft body 5 is fixedly connected with the first sliding rod 6, and when the driving device 2 drives the first shaft body 3 and the second shaft body 5, the first sliding rod 6 and the connecting block 4 are close to the driving device 2 or far away from the driving device 2 at the same time; the first slide bar 6 is slidably arranged on the fixed frame 1; the connecting block 4 is fixed on the fixing frame 1.
On the basis of the second embodiment, the driving device 2 moves axially along the first shaft body 3 and simultaneously moves axially along the second shaft body 5 in the same direction, the driving device 2 is modified to drive the first shaft body 3 to rotate and simultaneously move along the second shaft body 5, the other end of the first shaft body 3 is in spiral transmission connection with the connecting block 4, the connecting block 4 is fixed on the fixing frame 1, so that the first shaft body 3 drives the driving device 2 to move axially in the connecting block 4, the second shaft body 5 is fixedly connected with the first sliding rod 6, so that the second shaft body 5 drives the first sliding rod 6 to move axially in the same direction in the driving device, the first sliding rod 6 is enabled to realize the superposition of two axial movement speeds, and the adjusting speed of the steering column is enabled to be faster.
The utility model discloses a steering column provides the fourth embodiment: the device comprises a fixed frame 1, a driving device 2, a first shaft body 3, a second shaft body 5, a connecting block 4 and a first sliding rod 6; the output end of the driving device 2 is connected with one end of the first shaft body 3, the output end of the driving device 2 is also connected with one end of the second shaft body 5, the driving device 2 is arranged to be capable of driving the first shaft body 3 and the second shaft body 5 to rotate, and the driving device 2 and the first shaft body 3 and the second rotating shaft 5 do not have relative displacement respectively; the other end of the first shaft body 3 is in spiral transmission connection with a connecting block 4, and the connecting block 4 is fixed on the fixed frame 1; the other end of the second shaft body 5 is in spiral transmission connection with another connecting block 4, and the connecting block 4 is fixed on a first sliding rod 6; when the driving device 2 drives the first shaft body 3 and the second shaft body 5 to rotate, the two connecting blocks 4 are close to the driving device 2 or far away from the driving device 2 at the same time; the first slide bar 6 is slidably arranged on the fixed frame.
On the basis of the third embodiment, the driving device 2 drives the first rotating shaft 3 to rotate and simultaneously move along the second rotating shaft 5, the driving device 2 is modified to drive the first rotating shaft 3 and the second rotating shaft 5 to rotate, the other end of the first rotating shaft 3 is in spiral transmission connection with the connecting block 4, the other end of the second rotating shaft 5 is in spiral transmission connection with the other connecting block 4, when the first rotating shaft 3 and the second rotating shaft 5 rotate simultaneously, the first rotating shaft 3 drives the driving device 2 to axially move in the connecting block 4, and the other connecting block 4 drives the first sliding rod 6 to axially move in the same direction on the second rotating shaft 5, so that the first sliding rod 6 obtains superposition of two axial moving speeds, and the adjusting speed of the steering column is higher.
Furthermore, the utility model also provides an automobile, this automobile have above-mentioned in any embodiment steering column.
It should be noted that although the present invention is described by taking the steering column of the automobile as an example, the steering column of the present invention can be obviously applied to other various equipments provided with the steering column. For example, the steering column may be applied to vehicles such as a forklift and a train, and may also be applied to equipment such as an excavator and a crane.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. A steering column is characterized by comprising a fixed frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first sliding rod;
the output end of the driving device is connected with one end of the first shaft body, the driving device moves along the first shaft body, the output end of the driving device is also connected with one end of the second shaft body and is arranged to drive the second shaft body to rotate, and the driving device and the second shaft body do not have relative displacement;
the other end of the first shaft body is fixedly connected with the fixing frame, the other end of the second shaft body is in spiral transmission connection with the connecting block, and when the driving device drives the first shaft body and the second shaft body, the fixing frame and the connecting block are close to the driving device or far away from the driving device simultaneously;
the first sliding rod is slidably arranged on the fixed frame;
the connecting block is fixed on the first sliding rod.
2. The steering column according to claim 1, characterized in that the steering column comprises a transmission device, the transmission device comprises a worm, a first worm wheel and a second worm wheel, the first worm wheel and the second worm wheel are respectively in transmission connection with the worm, the driving device drives the worm to rotate, the first worm wheel is provided with a threaded hole, the first shaft body is in screw transmission in the threaded hole, and the second shaft body is fixedly connected with the second worm wheel.
3. The steering column according to claim 2, characterized in that the first worm wheel and the second worm wheel rotate in opposite directions, and the first shaft body and the second shaft body are provided with a positive thread or a negative thread at the same time.
4. The steering column according to claim 1, further comprising a second slide bar slidably disposed on said mount, said first slide bar slidably inserted into said second slide bar, said drive device being secured to said second slide bar.
5. A steering column according to claim 4, wherein the first slide bar is provided with external splines on the outside and correspondingly the second slide bar is provided with corresponding internal splines on the inside.
6. The steering column according to claim 1, wherein the first shaft body is a first lead screw or a first threaded shaft, the second shaft body is a second lead screw or a second threaded shaft, and the corresponding connecting block is a lead screw nut or a threaded nut; the driving device is connected to the first sliding rod in a sliding mode; or the driving device is connected to the fixed frame in a sliding manner; the driving device is a motor or the combination of the motor and a speed reducer.
7. A steering column is characterized by comprising a fixed frame, a driving device, a first shaft body, a second shaft body and a first sliding rod;
the output end of the driving device is connected with one end of the first shaft body and is set to move along the first shaft body, and the output end of the driving device is also connected with one end of the second shaft body and is set to move along the second shaft body;
the other end of the first shaft body is fixedly connected with the fixed frame, the other end of the second shaft body is fixedly connected with the first sliding rod, and when the driving device drives the first shaft body and the second shaft body, the fixed frame and the first sliding rod are close to the driving device or far away from the driving device simultaneously;
the first sliding rod is slidably arranged on the fixed frame.
8. A steering column is characterized by comprising a fixed frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first sliding rod;
the output end of the driving device is connected with one end of the first shaft body, the driving device is arranged to drive the first shaft body to rotate, the driving device and the first shaft body do not have relative displacement, and the output end of the driving device is also connected with one end of the second shaft body and is arranged to move along the second shaft body;
the other end of the first shaft body is in spiral transmission connection with the connecting block, the other end of the second shaft body is fixedly connected with the first sliding rod, and when the driving device drives the first shaft body and the second shaft body, the first sliding rod and the connecting block are close to the driving device or far away from the driving device at the same time;
the first sliding rod is slidably arranged on the fixed frame;
the connecting block is fixed on the fixing frame.
9. A steering column is characterized by comprising a fixed frame, a driving device, a first shaft body, a second shaft body, a connecting block and a first sliding rod;
the output end of the driving device is connected with one end of the first shaft body, the output end of the driving device is also connected with one end of the second shaft body, the driving device is arranged to drive the first shaft body and the second shaft body to rotate, and the driving device and the first shaft body and the second shaft body do not have relative displacement respectively;
the other end of the first shaft body is in spiral transmission connection with the connecting block, and the connecting block is fixed on the fixing frame; the other end of the second shaft body is in spiral transmission connection with the other connecting block, and the connecting block is fixed on the first sliding rod; when the driving device drives the first shaft body and the second shaft body to rotate, the two connecting blocks are close to the driving device or far away from the driving device at the same time;
the first sliding rod is slidably arranged on the fixed frame.
10. An automobile, characterized in that the automobile comprises a steering column according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310898.8U CN214524036U (en) | 2021-02-02 | 2021-02-02 | Steering column and automobile using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120310898.8U CN214524036U (en) | 2021-02-02 | 2021-02-02 | Steering column and automobile using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214524036U true CN214524036U (en) | 2021-10-29 |
Family
ID=78233395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120310898.8U Active CN214524036U (en) | 2021-02-02 | 2021-02-02 | Steering column and automobile using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214524036U (en) |
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2021
- 2021-02-02 CN CN202120310898.8U patent/CN214524036U/en active Active
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