CN114715260B

CN114715260B - Steering column adjusting device

Info

Publication number: CN114715260B
Application number: CN202210650192.5A
Authority: CN
Inventors: 栾庆聪; 姜建民
Original assignee: Shandong Vocational College of Science and Technology
Current assignee: Shandong Vocational College of Science and Technology
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-13
Anticipated expiration: 2042-06-10
Also published as: CN114715260A

Abstract

The invention discloses a steering column adjusting device which comprises an installation vertical plate, wherein installation top plates are fixedly connected to two sides of the back surface of the installation vertical plate, installation bolts uniformly penetrate through the interior of the installation top plates and are in threaded connection with the installation top plates, buffering stroke frames are fixedly connected to the upper end and the lower end of the front surface of the installation vertical plate, supporting support plates are slidably connected to the front surface of the buffering stroke frames, a movable support plate is fixedly connected to one side, away from the supporting support plate, of a supporting connecting shaft, a conical sliding groove is fixedly connected to the position, close to the back surface, in the movable support plate, an adjusting limiting mechanism is fixedly connected to the middle position, close to the front surface, in the movable support plate, and one end of the front surface of the conical sliding groove is communicated with the interior of the adjusting limiting mechanism. This steering column adjusting device has reached the buffering regulation to the steering column when realizing that the car bumps, adjusts the steering dynamics of steering column, guarantees that the steering regulation of steering column is at safety range.

Description

Steering column adjusting device

Technical Field

The invention relates to the technical field of automobile steering, in particular to a steering column adjusting device.

Background

A steering column is an element of a steering system that connects a steering wheel and a steering gear. Through the steering column, the driver transmits the torque to the steering gear, and drives the steering gear to realize steering. Common steering columns include a hydraulic power steering column, an electric control hydraulic power steering column and an electric power steering column, and different systems of different steering columns are different.

If the Chinese invention discloses the number: CN104097679B, a steering column adjusting mechanism. Steering column adjustment mechanism, including the handle, mould plastics the mounting panel of connection and pull off the lock, simultaneously with the handle reaches clamping device and connection that the mounting panel is connected the handle with clamping device handle spring, pull off the lock and tubular beams bolted connection, in addition, still include the coil spring that the mounting panel both ends set up, the one end of coil spring is straight face, straight face passes through-hole on the mounting panel, and extend to the bottom surface of pulling off the lock, and with pull off the lock fixed connection, straight face with through-hole clearance fit. Therefore, when collision happens, the injection structure is broken, the support plate and the pull-out lock are separated, and then the support plate and the pull-out lock move along the surface of the coil spring until the plate spring is pulled straight and then separated, and the friction force between the support plate and the plate spring enables the falling speed of the steering wheel and the column to be smaller, so that the injury of the steering wheel and the column to the legs of a driver is reduced.

Also, for example, the Chinese invention publication number is: CN 107472349A's a steering column lower prop pipe adjustment mechanism, it includes tubular column body, adjusts the support from top to bottom and upper and lower adjusting bolt and the adjustment handle on it, goes up to adjust the support and includes interior outer support, and the inner support includes: the pipe clamp part is in a circular arc shape, and the upper transverse sliding groove is arranged in the axial direction; the outer support includes: the base and two side walls are provided with inclined sliding grooves which incline upwards; the upper adjusting bolt penetrates through the oblique sliding groove and the upper transverse sliding groove; the lower adjusting support of the pipe column comprises a lower transverse sliding groove arranged in the axial direction, the middle part of the lower adjusting bolt is rotatably connected with the lower pipe column, and the two ends of the lower adjusting bolt are in sliding contact with the lower transverse sliding groove.

At present steering column is after the collision fracture takes place, and the steering wheel of steering column below can rotate with higher speed along with the collision to air bag and human rotatory collision on the steering wheel can increase the injury of human collision, and traditional adjusting device can only die the fixing clip that turns to when the collision, can't resume the rotation after the collision stops, can not realize the nimble regulation of steering column.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a steering column adjusting device, which solves the problems that after the existing steering column is collided and broken, a steering wheel below the steering column can rotate with the collision acceleration, so that a safety airbag on the steering wheel is in rotary collision with a human body, the injury of the human body collision can be increased, the traditional adjusting equipment only can be used for clamping a steering fixing block during collision, the steering fixing block cannot be rotated again after the collision is stopped, and the flexible adjustment of the steering column cannot be realized.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a steering column adjusting device comprises a mounting vertical plate, wherein both sides of the back surface of the mounting vertical plate are fixedly connected with mounting top plates, the inner part of the mounting top plate is uniformly penetrated and is in threaded connection with mounting bolts, the upper end and the lower end of the front surface of the mounting vertical plate are fixedly connected with buffering stroke frames, the front surface of the buffer stroke frame is penetrated and connected with a support carrier plate in a sliding way, one side of the front surface of the support carrier plate is rotationally connected with a support connecting shaft, one side of the support connecting shaft, which is far away from the support carrier plate, is fixedly connected with a movable carrier plate, one side of the movable carrier plate, which is far away from the support connecting shaft, is fixedly connected with the support carrier plate through a limiting buckle, the adjustable sliding support is characterized in that a conical sliding groove is fixedly connected to the position, close to the back, inside the movable support plate, a regulating and limiting mechanism is fixedly connected to the middle position, close to the front, inside the movable support plate, and one end of the front of the conical sliding groove is communicated with the inside of the regulating and limiting mechanism. The buffer adjustment of the steering column is realized when the automobile collides, the steering force of the steering column is adjusted, and the steering adjustment of the steering column is ensured within a safe range.

Preferably, an arc-shaped clamping groove is fixedly connected to the middle position inside the supporting carrier plate, limiting arc-shaped convex blocks are fixedly connected to the inner side of the conical sliding groove and the two ends of the conical sliding groove close to the supporting carrier plate, and the limiting arc-shaped convex blocks and the arc-shaped clamping groove are arranged correspondingly. The sliding friction force between the device and the steering column is increased, and the impact force of impact on the steering column is relieved.

Preferably, the inner side of the tapered sliding groove is fixedly connected with a storage inner groove at the front position of the arc-limiting bump.

Preferably, the top of the movable carrier plate is close to the limiting insertion rods fixedly connected to the two sides of the front face, and the impact arc plates are fixedly connected to the positions between the limiting insertion rods.

Preferably, the middle positions of the impact arc plate and the installation vertical plate are correspondingly arranged, and the cambered surface of the impact arc plate corresponds to the adjusting and limiting mechanism.

Preferably, a movable inner rail is arranged inside the buffer stroke frame, and a limiting inclined guide plate is fixedly connected to the right side inside the movable inner rail.

Preferably, the supporting carrier plate is connected with the inside of the movable inner rail in a sliding mode, one end, located inside the movable inner rail, of the supporting carrier plate is fixedly connected with a blocking supporting conical plate, and the blocking supporting conical plate is connected with the surface of the limiting inclined guide plate in a sliding mode. The device is inclined downwards in the collapsing direction, and the device is prevented from being impacted towards the direction of personnel vertically.

Preferably, the adjusting and limiting mechanism comprises an adjusting and sealing inner groove and a limiting shaft sleeve, the adjusting and sealing inner groove is arranged inside the movable carrier plate, two ends of the outside of the limiting shaft sleeve are fixedly connected with guide inclined plates, and the guide inclined plates are in contact with the inner side surface of the conical sliding groove.

Preferably, the inner side surface of the limiting shaft sleeve is uniformly and fixedly connected with a resistance increasing friction block, and the outer side surface of the limiting shaft sleeve is uniformly and fixedly connected with an inner limiting driving block. The steering column steering force is reduced, the rapid rotation in the direction after collision is avoided, and the additional injury to a human body during collision is reduced.

Preferably, the inner limiting driving block extends to the inside of the adjusting sealed inner groove, and a position between the adjusting sealed inner groove and the adjusting sealed inner groove is filled with the non-Newtonian fluid.

The working principle is as follows: opening a limiting buckle, sleeving an arc-shaped clamping groove and a limiting arc-shaped convex block on the outer sides of steering columns, rotating a movable carrier plate and fixing the limiting buckle, wherein the joint between the two steering columns corresponds to an impact arc-shaped plate, when a vehicle is placed and is severely impacted, the movable carrier plate is firstly contacted and collided, so that the movable carrier plate drives the support carrier plate to collapse towards the inside of a buffer stroke frame, a support conical plate and a limiting inclined guide plate are blocked to slide in a friction manner, the limiting inclined guide plate and the support conical plate are made of magnetic materials which are mutually attracted, the support carrier plate is guided to move obliquely downwards, the collapse direction of the device structure is prevented from being perpendicular to a rushing person, in collision, a conical sliding groove slides on the surfaces of the steering columns, gaps on the outer sides of the conical sliding groove are gradually reduced, so that the buffer resistance is gradually increased, under the guidance of a guide inclined plate until the steering columns move to the inside of a limiting shaft sleeve, and a resistance increasing friction block is extruded and limited with the steering columns, increase the steering resistance of steering column, when the steering column turned to simultaneously, the viscidity of the inside non-Newtonian fluid of filling of sealed inside groove further increased the steering resistance to after the steering force weakens, still can realize the rotation of direction, two upper and lower regulation limiting mechanism restrict respectively to wind-direction dish steering column and wheel steering column respectively, guarantee the independent restriction after the steering column connection fracture, and protect the junction of steering column when the collision takes place.

(III) advantageous effects

The invention provides a steering column adjusting device. The method has the following beneficial effects:

(1) the steering column adjusting device achieves buffer adjustment of the steering column when an automobile collides through the buffer stroke frame, the supporting support plate, the supporting connecting shaft, the movable support plate, the limiting buckle, the conical sliding groove and the adjusting limiting mechanism, adjusts steering force of the steering column, and guarantees that steering adjustment of the steering column is in a safe range.

(2) This steering column adjusting device draws the board and blocks to support the taper plate through supporting support plate, activity inner rail, restriction to one side, realizes collapsing the device direction slope downwards, avoids the device perpendicularly to personnel's direction striking.

(3) The steering column adjusting device increases the sliding friction force between the device and the steering column through the conical sliding groove and the limiting arc-shaped convex block, and relieves the impact force of impact on the steering column.

(4) This steering column adjusting device through the guide swash plate with increase and hinder the clutch blocks, reduces the steering column steering power, avoids hitting the quick rotation of percussion back direction, to the extra injury of human body when reducing the striking.

(5) The steering column adjusting device adjusts the viscosity of the non-Newtonian fluid filled in the sealed inner groove to further increase the steering resistance by adjusting the sealed inner groove and the inner limit driving block, and can still realize the rotation of the direction after the steering force is weakened, thereby ensuring the steering flexibility in a non-impact state.

(6) This steering column adjusting device through adopting two regulation limiting mechanism, can restrict respectively the regulation with steering column both ends, guarantees the purpose of the independent protection after the steering column connection fracture.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside of the present invention;

FIG. 3 is a schematic structural diagram of the top of the movable carrier of the present invention;

FIG. 4 is a schematic view of the internal structure of the movable inner rail of the present invention;

fig. 5 is a schematic view of the regulating and limiting mechanism of the present invention.

In the figure: the device comprises a vertical plate 1, a top plate 3, a top plate 4, a bolt 5, a buffer stroke frame 6, a support carrier plate 6, a support connecting shaft 7, a movable carrier plate 8, a limit buckle 9, a conical sliding groove 10, an adjustment limit mechanism 11, an adjustment seal inner groove 111, a limit shaft sleeve 112, a guide inclined plate 113, a resistance-increasing friction block 114, an inner limit driving block 115, an arc-shaped clamping groove 12, an arc-shaped convex block 13, an inner storage groove 14, an insertion limit rod 15, an impact arc-shaped plate 16, a movable inner track 17, an inclined limit guide plate 18 and a stop support conical plate 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a steering column adjusting device, including installation riser 1, the equal fixedly connected with in both sides roof 3 at the installation riser 1 back, the inside of roof 3 evenly runs through and threaded connection has construction bolt 4, the equal fixedly connected with buffering stroke frame 5 in the positive upper and lower both ends of installation riser 1, the front of buffering stroke frame 5 all runs through and sliding connection has support plate 6, the positive one side of support plate 6 is rotated and is connected with and supports even axle 7, support even axle 7 and keep away from one side fixedly connected with movable support plate 8 that supports support plate 6, one side that movable support plate 8 kept away from and supports even axle 7 is through restriction buckle 9 and support plate 6 fixed connection, the inside position fixedly connected with toper that is close to the back of movable support plate 8 slides groove 10, the inside positive intermediate position fixedly connected with that is close to positive adjustment limiting mechanism 11 that just is close to movable support plate 8, the front one end and the inside intercommunication of adjustment limiting mechanism 11 that the toper slideed groove 10. The buffer adjustment of the steering column is realized when the automobile collides, the steering force of the steering column is adjusted, and the steering adjustment of the steering column is ensured within a safe range.

An arc-shaped clamping groove 12 is fixedly connected to the middle position inside the supporting carrier plate 6, limiting arc-shaped convex blocks 13 are fixedly connected to the inner side of the conical sliding groove 10 and the two ends of the conical sliding groove close to the supporting carrier plate 6, and the limiting arc-shaped convex blocks 13 are arranged corresponding to the arc-shaped clamping groove 12. The sliding friction force between the device and the steering column is increased, and the impact force of impact on the steering column is relieved.

An inner storage groove 14 is fixedly connected to the front position of the arc-limiting convex block 13 inside the conical sliding groove 10.

The top of the movable carrier plate 8 and both sides close to the front are fixedly connected with limiting insertion rods 15, and impact arc plates 16 are fixedly connected between the limiting insertion rods 15.

The impact arc 16 is arranged corresponding to the middle position of the installation vertical plate 1, and the cambered surface of the impact arc 16 corresponds to the adjusting and limiting mechanism 11.

The inside of buffering stroke frame 5 is provided with movable inner rail 17, and the inside right side of movable inner rail 17 is fixedly connected with the oblique board 18 that draws of restriction.

The supporting carrier plate 6 is connected with the inner part of the movable inner rail 17 in a sliding manner, one end of the supporting carrier plate 6, which is positioned in the inner part of the movable inner rail 17, is fixedly connected with a blocking supporting conical plate 19, and the blocking supporting conical plate 19 is connected with the surface of the inclined guide plate 18 in a sliding manner. The device is inclined downwards in the collapsing direction, and the device is prevented from being impacted towards the direction of personnel vertically.

Example two

As shown in fig. 5, on the basis of the first embodiment, the present invention provides a technical solution: a steering column adjusting device, an adjusting and limiting mechanism 11 comprises an adjusting and sealing inner groove 111 and a limiting shaft sleeve 112, the adjusting and sealing inner groove 111 is arranged inside a movable carrier plate 8, two ends of the outside of the limiting shaft sleeve 112 are fixedly connected with guide inclined plates 113, and the guide inclined plates 113 are in contact with the inner side surfaces of conical sliding grooves 10.

The inner side surface of the limiting shaft sleeve 112 is uniformly and fixedly connected with a resistance-increasing friction block 114, and the outer side surface of the limiting shaft sleeve 112 is uniformly and fixedly connected with an inner limiting driving block 115. The steering column steering force is reduced, the rapid rotation in the direction after collision is avoided, and the additional injury to a human body during collision is reduced.

The inner limiting driving block 115 extends to the inside of the adjusting sealed inner groove 111, and a position between the adjusting sealed inner groove 111 and the adjusting sealed inner groove 111 is filled with the non-Newtonian fluid.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A steering column adjusting device, includes installation riser (1), its characterized in that: the utility model discloses a support structure of a vehicle seat, including installation riser (1), the equal fixedly connected with in both sides at the back of installation riser (1) installation roof (3), the inside of installation roof (3) evenly runs through and threaded connection has construction bolt (4), the equal fixedly connected with buffering stroke frame (5) in both ends about installation riser (1) is positive, the front of buffering stroke frame (5) all runs through and sliding connection has support carrier plate (6), support carrier plate (6) positive one side is rotated and is connected with and supports even axle (7), support even axle (7) and keep away from one side fixedly connected with movable carrier plate (8) that supports carrier plate (6), one side that support even axle (7) was kept away from to movable carrier plate (8) is through restriction buckle (9) and support carrier plate (6) fixed connection, the inside position fixedly connected with toper that is close to the back of movable carrier plate (8) slides groove (10), the inside and be close to positive intermediate position fixedly connected with regulation limiting mechanism (8) of just being close to 11) One end of the front surface of the conical sliding groove (10) is communicated with the inside of the adjusting and limiting mechanism (11);

the adjusting and limiting mechanism (11) comprises an adjusting and sealing inner groove (111) and a limiting shaft sleeve (112), the adjusting and sealing inner groove (111) is arranged inside the movable carrier plate (8), two ends of the outside of the limiting shaft sleeve (112) are fixedly connected with guide inclined plates (113), and the guide inclined plates (113) are in contact with the inner side surface of the conical sliding groove (10).

2. A steering column adjustment device according to claim 1, wherein: the middle position inside the supporting carrier plate (6) is fixedly connected with an arc-shaped clamping groove (12), the inner side of the conical sliding groove (10) and the two ends close to the supporting carrier plate (6) are fixedly connected with limiting arc-shaped convex blocks (13), and the limiting arc-shaped convex blocks (13) are arranged corresponding to the arc-shaped clamping groove (12).

3. A steering column adjustment device according to claim 2, wherein: an inner storage groove (14) is fixedly connected to the inner side of the conical sliding groove (10) and is positioned on the front side of the arc-limiting convex block (13).

4. A steering column adjustment device according to claim 1, wherein: the movable support plate is characterized in that limiting insertion rods (15) are fixedly connected to the top of the movable support plate (8) and are close to the two sides of the front side, and impact arc-shaped plates (16) are fixedly connected to the positions between the limiting insertion rods (15).

5. A steering column adjustment device according to claim 4, wherein: the middle positions of the impact arc-shaped plates (16) and the installation vertical plate (1) are correspondingly arranged, and the arc surfaces of the impact arc-shaped plates (16) correspond to the adjusting and limiting mechanisms (11).

6. A steering column adjustment device according to claim 1, wherein: the buffer stroke frame (5) is internally provided with a movable inner rail (17), and the right side of the inside of the movable inner rail (17) is fixedly connected with a limiting inclined guide plate (18).

7. A steering column adjustment device according to claim 6, wherein: support plate (6) and the inside sliding connection of track (17) in the activity, support plate (6) one end fixedly connected with that is located track (17) inside in the activity and block support conical plate (19), block support conical plate (19) and restrict to draw board (18) surface sliding connection to one side.

8. A steering column adjustment device according to claim 1, wherein: the inner side surface of the limiting shaft sleeve (112) is uniformly and fixedly connected with a resistance-increasing friction block (114), and the outer side surface of the limiting shaft sleeve (112) is uniformly and fixedly connected with an inner limiting driving block (115).

9. A steering column adjustment device according to claim 8, wherein: the inner limiting driving block (115) extends to the inside of the adjusting sealed inner groove (111), and the position between the adjusting sealed inner groove (111) and the adjusting sealed inner groove (111) is filled with non-Newtonian fluid.