CN219806870U - Steering column energy absorbing structure - Google Patents
Steering column energy absorbing structure Download PDFInfo
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- CN219806870U CN219806870U CN202321007074.9U CN202321007074U CN219806870U CN 219806870 U CN219806870 U CN 219806870U CN 202321007074 U CN202321007074 U CN 202321007074U CN 219806870 U CN219806870 U CN 219806870U
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- steering column
- bracket
- column
- absorbing structure
- plate
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a steering column energy absorbing structure which comprises a support, a guide plate and a tearing plate, wherein the support is fixed at a specified position in an automobile and is connected with an upper column of the steering column, the support surrounds a lower column of a part of the steering column, the guide plate is fixed on the support and extends along the axial direction of the steering column, a guide groove extending along the axial direction of the steering column is formed in the guide plate, a clamping groove is formed at one end of the guide plate, one end of the tearing plate in the axial direction of the steering column is connected with the upper column, clamping protrusions which are clamped with the clamping grooves are respectively formed at two side edges of the tearing plate in the width direction crossing the axial direction of the steering column, and the tearing plate can slide along the guide groove after the clamping protrusions are broken.
Description
Technical Field
The utility model relates to a steering column energy absorbing structure.
Background
The steering column assembly of the automobile is used as a component for connecting a steering wheel and a steering mechanism and is an important component for transmitting torque. Conventionally, a vehicle steering device includes a steering column, a universal joint, an intermediate shaft, an output shaft, a steering mechanism on a vehicle side, and the like. The steering wheel connected to the steering column is connected with the steering mechanism on the vehicle side through the steering column, the universal joint, the intermediate shaft and the output shaft, and the steering mechanism is driven by operating the steering wheel, so that the wheels connected with the steering mechanism swing left and right to realize the steering of the automobile.
When a safety accident occurs in a vehicle, the head and the chest of the driver can generate impact on the steering wheel, the impact can be transmitted to the steering column through the steering wheel, and the steering column can generate reverse impact force on the head and the chest of the driver in turn, so that the head and the chest of the driver can be damaged by human bodies. In order to reduce the injury to the human body when taking place the incident, at present, the automobile steering column sets up the energy-absorbing structure that collapses, and when the impact force to the steering column reached the energy-absorbing structure threshold value that collapses of steering column, the steering column can take place to collapse along the axis with the help of such energy-absorbing structure that collapses, from this to buffering to the impact force, can reduce reverse impact force like this, protect the driver.
In the past, the energy-absorbing structure that collapses is installed on the upper tubular column of steering column, does not have any contact with the lower tubular column, and when bumping, the energy-absorbing structure that collapses breaks, and the steering column moves, buffering impact force. However, in the process of moving the broken steering column of the crumple energy absorption structure, no member is used for protecting the lower column and the insertion shaft in the lower column, and the lower column and the insertion shaft are easy to damage.
Disclosure of Invention
The present utility model has been made in view of the above-described problems, and an object thereof is to provide a steering column energy absorbing structure that protects a lower column of a steering column and after insertion.
In order to achieve the above object, the present utility model provides a steering column energy absorbing structure, comprising a bracket, a guide plate and a tearing plate, wherein the bracket is fixed at a prescribed position in an automobile and is connected with an upper column of the steering column, the bracket surrounds a lower column of a part of the steering column, the guide plate is fixed on the bracket and extends along the axial direction of the steering column, a guide groove extending along the axial direction of the steering column is formed on the guide plate, a clamping groove is formed at one end of the guide plate, one end of the tearing plate in the axial direction of the steering column is connected with the upper column, clamping protrusions which are clamped with the clamping grooves are respectively formed at two sides of the tearing plate in the width direction crossing the axial direction of the steering column, and the tearing plate can slide along the guide groove after the clamping protrusions are broken.
According to the steering column energy absorbing structure, it includes the support, guide board and tear the board, the support is connected with the last tubular column of steering column, and the support surrounds the tubular column of the part of steering column, guide board fixes on the support, be formed with along the guide slot of axial extension of steering column on the guide board, form the draw-in groove at the one end of guide board, tear the board at the axial one end of steering column and be connected with last tubular column, form respectively with the block protrusion of draw-in groove block at the two sides of tearing the board with the axial cross width direction of steering column, tear the board and can slide along the guide slot after the block protrusion fracture. Thus, the lower column surrounding the portion of the steering column through the bracket can protect the lower column and the insertion shaft in the lower column through the bracket when collapsing and absorbing energy. In addition, due to the arrangement of the guide plate, the tearing plate can slide along the guide groove after the clamping protrusion is broken, and the movement of the tubular column can be more stable by matching with the surrounding of the support to the lower tubular column, so that the energy absorption during collapse and energy absorption is relatively stable.
In addition, in the steering column energy absorbing structure described above, the bracket includes an upper bracket, a lower bracket, and a connecting rod connecting the upper bracket and the lower bracket, and the upper bracket is fixed at a prescribed position inside the vehicle and connected to the upper column of the steering column.
In the steering column energy absorbing structure, the lower bracket is formed in a U shape, a lower column surrounding a portion of the steering column, and lower bracket connection blocks are formed at both ends of the lower bracket, respectively.
In addition, in the steering column energy absorbing structure described above, the upper bracket includes a main body plate on which the upper bracket connection block is formed, and two connection plates that are perpendicular to the main body plate and are connected to the main body plate at prescribed intervals.
In addition, in the steering column energy absorbing structure described above, the number of the connecting rods is 2, one end of each connecting rod is connected with the lower bracket connecting block, and the other end of each connecting rod is connected with the upper bracket connecting block.
In the steering column energy absorbing structure described above, the guide plate is formed with a through hole, and the through hole is a hole penetrating the guide plate in its thickness.
In the steering column energy absorbing structure described above, the connecting pieces are formed on both side edges of the guide plate in the width direction intersecting the axial direction of the steering column, respectively, and the guide plate and the upper bracket are connected by screws penetrating the connecting pieces and the upper bracket.
In the steering column energy absorbing structure described above, fitting holes are formed in both side edges of the body plate in the width direction intersecting the axial direction of the steering column, respectively, and the upper bracket is connected to a predetermined portion inside the vehicle through the fitting holes.
In addition, in the steering column energy absorbing structure described above, one end of the tear panel in the axial direction of the steering column is connected to the upper column by a rivet.
To sum up, according to the steering column energy absorbing structure described above, it includes the support, guide board and tear the board, the support is connected with the last tubular column of steering column, and the support surrounds the tubular column of the part of steering column, the guide board is fixed on the support, be formed with the guide slot that extends along the axial of steering column on the guide board, form the draw-in groove at the one end of guide board, tear the board at the axial one end and last tubular column connection of steering column, form respectively with the block protrusion of draw-in groove block at the two sides of the width direction that tear board and the axial of steering column alternately, tear the board and can slide along the guide slot after the block protrusion fracture. Thus, the lower column surrounding the portion of the steering column through the bracket can protect the lower column and the insertion shaft in the lower column through the bracket when collapsing and absorbing energy. In addition, due to the arrangement of the guide plate, the tearing plate can slide along the guide groove after the clamping protrusion is broken, and the movement of the tubular column can be more stable by matching with the surrounding of the support to the lower tubular column, so that the energy absorption during collapse and energy absorption is relatively stable.
Drawings
Fig. 1 is a perspective view schematically showing a state in which a steering column energy absorbing structure of the present utility model is connected to a steering column.
FIG. 2 is a schematic perspective view of a steering column energy absorbing structure of the present utility model.
FIG. 3 is a partial schematic view of a steering column energy absorbing structure of the present utility model.
Detailed Description
Hereinafter, embodiments of the present utility model will be described with reference to the drawings. However, the steering column energy absorbing structure disclosed in the following embodiments is merely an example, and is not limited to the following embodiments as long as the effects of the present utility model can be achieved.
Fig. 1 is a perspective view schematically showing a state in which a steering column energy absorbing structure of the present utility model is connected to a steering column. FIG. 2 is a schematic perspective view of a steering column energy absorbing structure of the present utility model. FIG. 3 is a partial schematic view of a steering column energy absorbing structure of the present utility model.
As shown in fig. 1 to 3, the steering column energy absorbing structure of the present embodiment includes a bracket 100, a guide plate 200, and a tear plate 300. The bracket 100 is fixed to a predetermined portion inside the vehicle, and is connected to an upper column U of the steering column, and the bracket 100 surrounds a lower column L of a portion of the steering column. The guide plate 200 is fixed to the bracket 100 and extends in the axial direction of the steering column, a guide groove 210 extending in the axial direction of the steering column is formed in the guide plate 200, and a catching groove 220 is formed at one end of the guide plate 200. One end of the tear plate 300 in the axial direction of the steering column is connected to the upper column U, and engaging protrusions 310 that engage with the engaging grooves 220 are formed on both sides of the tear plate 300 in the width direction intersecting the axial direction of the steering column, respectively, so that the tear plate 300 can slide along the guide grooves 210 after the engaging protrusions 310 are broken.
The bracket 100 includes an upper bracket 110, a lower bracket 120, and a connecting rod 130 connecting the upper bracket 110 and the lower bracket 120, wherein the upper bracket 110 is fixed at a predetermined position in the vehicle and connected to an upper column U of the steering column.
The upper bracket 110 includes a main body plate 111, and two connection plates 112, and an upper bracket connection block 113 is formed on the main body plate 111, and the two connection plates 112 are connected to the main body plate 111 perpendicularly to the main body plate 111 at a predetermined interval.
Further, fitting holes 114 are formed in both side edges of the body plate 111 in the width direction intersecting the axial direction of the steering column, respectively, and the upper bracket 110 is connected to a predetermined portion inside the vehicle through the fitting holes 114.
Specifically, the main body plate 111 is formed in a substantially trapezoidal shape, the upper bracket connection blocks 113 are formed at the two top corners of the upper bottom side of the main body plate 111 in the trapezoidal shape, and the fitting holes 114 for connecting to predetermined portions inside the automobile, which may be a support frame or the like on the lower side of the instrument panel, are formed at the two bottom corners of the lower bottom side of the main body plate 111 in the trapezoidal shape, depending on the design of the automobile. The shape of the main body plate 111 is not limited to this, and the upper bracket connection block 113 may be formed and may have an attachment hole so as to be able to connect to a predetermined portion inside the automobile.
The two connection plates 112 are formed in a substantially rectangular shape and are vertically connected to the main body plate 111 at predetermined intervals set according to the diameters of steering columns of different vehicles. An upper column U of the steering column is inserted between the two connection plates 112, and the upper bracket is connected to the upper column by a locking mechanism connected to the connection plates 112. However, the shape of the connection plate is not limited thereto, and may be formed in an arc shape surrounding the upper column, so that a structure matching with the cylindrical surface of the upper column can be formed, and the connection with the upper column can be more firmly made.
The lower bracket 120 is formed in a U-shape, a lower column L surrounding a portion of the steering column, and lower bracket connection blocks 121 are formed at both ends of the lower bracket 120. In this way, the lower column L of the steering column can be supported by the lower bracket 120 when the steering column is mounted on the steering column energy absorbing structure.
In addition, there are two connection bars 130, one end of each connection bar 130 is connected to the lower bracket connection block 121, and the other end of each connection bar 130 is connected to the upper bracket connection block 113.
Specifically, the upper and lower bracket connection blocks 113 and 121 are formed with connection holes, and the connection bars 130 are respectively inserted into the connection holes by interference fit, thereby connecting the upper and lower brackets 110 and 120. Of course, the structure of the bracket is not limited thereto, as long as the lower column can be supported at the same time. For example, by welding, screwing, etc. The connecting rod is made of a steel rod core and rubber covering the rod core, but the present utility model is not limited to this, and the connecting rod may be made of resin or metal only.
In the present utility model, the guide plate 200 is formed in a substantially rectangular shape, the connecting pieces 230 are formed on both side edges of the guide plate 200 in the width direction intersecting the axial direction of the steering column, respectively, and the guide plate 200 and the upper bracket 110 are connected by screws passing through the connecting pieces 230 and the upper bracket 110.
In addition, the guide groove 210 is formed on the guide plate 200, the guide groove 210 extends along the axis of the steering column, and the groove width of the guide groove 210 may be set according to the width of the tear plate 300, as long as the both can be mated, and in the present utility model, the groove width of the guide groove 210 is slightly smaller than the width of the guide plate 200.
In addition, a through hole 240 is formed in the guide plate 200, and the through hole 240 is a hole penetrating the guide plate 200 in the thickness of the guide plate 200. In the present utility model, the area of the through hole 240 is slightly smaller than that of the guide plate 200. Further, at one end of the guide plate 200, engaging grooves 220 are formed in the protruding strips on both sides of the groove wall constituting the guide groove near the connecting piece 230.
In the present utility model, the tear panel 300 is formed in a rectangular shape, and one end of the tear panel 300 in the axial direction of the steering column is connected to the upper column U by a rivet. Engaging protrusions 310 that engage with the engaging grooves 220 are formed on both side edges of the tear plate 300 in the width direction intersecting the axial direction of the steering column, respectively. Thereby, the tear panel 300 can be connected to the upper column U and the guide panel 200.
In assembling such a steering column energy absorbing structure, the upper bracket 110 and the lower bracket 120 are first connected by the connecting rod 130, i.e., a steel rod, the connecting rod 130 is screwed to the upper bracket 110, and the steel rod is connected to the lower bracket 120 by welding. Then, the guide plate 200 is mounted on the upper bracket 110 by caulking by passing through the through holes of the connection piece 230 of the guide plate 200 and the holes on the upper bracket 110 by rivets. Finally, the engagement protrusion 310 of the tear panel 300 is caught in the catching groove 220 of the guide panel 200, and the upper bracket 110 is mounted on the upper column and the other end of the tear panel 300 is riveted on the upper column U, thereby completing the assembly.
Thus, when a safety accident occurs, the automobile steering column receives an impact force, the clamping protrusion 310 of the tearing plate 300 is broken due to the impact force, the tearing plate 300 slides along the guide groove 210 after the breaking and surrounds the support of the lower column L, the lower column L is supported when the steering column is displaced, the lower column and the insertion shaft in the lower column are protected through the support, and the energy absorption is more stable by tearing and guiding the tearing plate 300.
The utility model relates to a steering column energy absorbing structure, which comprises a bracket, a guide plate and a tearing plate, wherein the bracket is connected with an upper column of the steering column, the bracket surrounds a lower column of a part of the steering column, the guide plate is fixed on the bracket, a guide groove extending along the axial direction of the steering column is formed on the guide plate, a clamping groove is formed at one end of the guide plate, one end of the tearing plate in the axial direction of the steering column is connected with the upper column, two sides of the tearing plate in the width direction crossing the axial direction of the steering column are respectively formed with clamping protrusions which are clamped with the clamping grooves, and the tearing plate can slide along the guide groove after the clamping protrusions are broken. Thus, the lower column surrounding the portion of the steering column through the bracket can protect the lower column and the insertion shaft in the lower column through the bracket when collapsing and absorbing energy. In addition, due to the arrangement of the guide plate, the tearing plate can slide along the guide groove after the clamping protrusion is broken, and the movement of the tubular column can be more stable by matching with the surrounding of the support to the lower tubular column, so that the energy absorption during collapse and energy absorption is relatively stable.
In addition, the energy generated by the displacement and deformation of the steering column can be absorbed by adding the connecting rod, namely the steel rod, so that the energy absorption is more stable. Moreover, the upper bracket and the lower bracket are convenient to assemble and disassemble, and the assembling operability is improved.
Finally, it should be noted that: the above embodiments are merely specific embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications and variations of the embodiments described herein will be apparent to those skilled in the art, and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (9)
1. A steering column energy absorbing structure is characterized in that,
comprises a bracket (100), a guide plate (200) and a tearing plate (300),
the bracket (100) is fixed at a prescribed position in the interior of the automobile, is connected with an upper column (U) of the steering column, and the bracket (100) surrounds a lower column (L) of a part of the steering column,
the guide plate (200) is fixed on the bracket (100) and extends along the axial direction of the steering column, a guide groove (210) extending along the axial direction of the steering column is formed on the guide plate (200), a clamping groove (220) is formed at one end of the guide plate (200),
one end in the axial direction of the steering column of the tearing plate (300) is connected with the upper pipe column (U), two lateral sides in the width direction of the tearing plate (300) crossing the axial direction of the steering column are respectively provided with an engaging protrusion (310) which is engaged with the engaging groove (220), and the tearing plate (300) can slide along the guide groove (210) after the engaging protrusion (310) is broken.
2. The steering column energy absorbing structure of claim 1, wherein,
the bracket (100) comprises an upper bracket (110), a lower bracket (120) and a connecting rod (130) for connecting the upper bracket (110) with the lower bracket (120), wherein the upper bracket (110) is fixed at a specified position in an automobile and is connected with an upper pipe column (U) of a steering column.
3. Steering column energy absorbing structure according to claim 2, characterized in that the lower bracket (120) is formed in a U-shape, a lower column (L) surrounding a portion of the steering column, and lower bracket connection blocks (121) are formed at both ends of the lower bracket (120), respectively.
4. A steering column energy absorbing structure according to claim 3, wherein,
the upper bracket (110) comprises a main body plate (111) and two connecting plates (112),
an upper bracket connection block (113) is formed on the main body plate (111), and two connection blocks (112) are perpendicular to the main body plate (111) and are connected with the main body plate (111) at a prescribed interval.
5. Steering column energy absorbing structure according to claim 4, characterized in that the number of the tie rods (130) is 2, one end of each tie rod (130) is connected to the lower bracket connection block (121) respectively, and the other end of each tie rod (130) is connected to the upper bracket connection block (113) respectively.
6. A steering column energy absorbing structure according to claim 3, characterized in that the guide plate (200) is formed with a through hole (240), which through hole (240) is a hole penetrating the guide plate (200) over the thickness of the guide plate (200).
7. A steering column energy absorbing structure according to claim 3, characterized in that connecting pieces (230) are formed on both sides of the guide plate (200) in the width direction crossing the axial direction of the steering column, respectively, the guide plate (200) and the upper bracket (110) being connected by rivets passing through the connecting pieces (230) and the upper bracket (110).
8. The steering column energy absorbing structure according to claim 4, characterized in that fitting holes (114) are formed in both side edges of the body plate (111) in the width direction intersecting the axial direction of the steering column, respectively, and the upper bracket (110) is connected to a prescribed portion inside the automobile through the fitting holes (114).
9. Steering column energy absorbing structure according to any one of claims 1 to 8, characterized in that one end of the tear panel (300) in the axial direction of the steering column is connected with the upper column (U) by means of rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007074.9U CN219806870U (en) | 2023-04-27 | 2023-04-27 | Steering column energy absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321007074.9U CN219806870U (en) | 2023-04-27 | 2023-04-27 | Steering column energy absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219806870U true CN219806870U (en) | 2023-10-10 |
Family
ID=88208448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321007074.9U Active CN219806870U (en) | 2023-04-27 | 2023-04-27 | Steering column energy absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219806870U (en) |
-
2023
- 2023-04-27 CN CN202321007074.9U patent/CN219806870U/en active Active
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