CN219668317U - Passive safety device for automobile steering wheel - Google Patents
Passive safety device for automobile steering wheel Download PDFInfo
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- CN219668317U CN219668317U CN202321086053.0U CN202321086053U CN219668317U CN 219668317 U CN219668317 U CN 219668317U CN 202321086053 U CN202321086053 U CN 202321086053U CN 219668317 U CN219668317 U CN 219668317U
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- Prior art keywords
- steering wheel
- fixed
- passive safety
- butt joint
- jack
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- 210000001503 joint Anatomy 0.000 claims abstract description 24
- 238000003032 molecular docking Methods 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a passive safety protection device for an automobile steering wheel, which relates to the technical field of automobile accessories and comprises a steering wheel main body, wherein a steering wheel is constructed on the lower end face of the steering wheel main body, a support column is hinged at the lower end of the steering wheel, a butt joint groove is formed at the lower end of the steering wheel, a positioning hole is formed at the inner top of the butt joint groove, a fixing cylinder used for being fixed at the top end of a steering shaft is constructed at the lower end of the support column, a butt joint lug is fixed at the top end of the support column, the butt joint lug is arranged in the butt joint groove, a jack is formed at the top end of the butt joint lug, an impact breaking piece which can be broken by impact is detachably inserted in the jack, and the top end of the impact breaking piece extends out of a port of the jack. The steering wheel main body is driven to incline at the top end of the supporting column, so that the contact area between the steering wheel main body and a driver is increased, the injury to the driver is reduced, the steering wheel is safe and reliable, and meanwhile, some column structures for passive safety protection are not exposed and cannot influence the driver.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a passive safety protection device for an automobile steering wheel.
Background
Steering wheels are an important accessory of automobiles, and are connected with a steering shaft through a spline generally, and the steering wheel has the function of converting the force applied by a driver to the edge of the steering wheel into torque and transmitting the torque to the steering shaft. At present, because the protection effect of the traditional automobile steering wheel is poor, when an automobile collides, no matter whether the steering wheel is provided with an air bag or not, the body of a driver can directly or indirectly collide with the steering wheel, and if the steering wheel has high rigidity, serious injury can be caused to a human body.
To this, the patent of granting of publication No. CN212313481U discloses a passive safety device of car steering wheel, including movable rod, cavity pole, first limiting plate, barrier plate, outer pole, spring, second limiting plate, interior pole and articulated seat, can make the steering wheel be vertical state when the atress and increase its area of contact with the navigating mate, alleviates the collision with the navigating mate, has solved the not good problem of original car steering wheel protection effect.
However, in practice, the protective assembly is located below the square tray on the side facing the driver, and is generally in a convex arc shape, so that the structure of the protective assembly may cause a certain degree of interference to the driver during specific use, and is inconvenient to use.
Therefore, the utility model provides a passive safety protection device for an automobile steering wheel to solve the technical problems.
Disclosure of Invention
The utility model aims to provide a passive safety protection device for an automobile steering wheel, which can enable a steering wheel to drive a steering wheel main body to incline at the top end of a supporting column by utilizing an impact fracture piece to fracture when the impact fracture piece is impacted, so that the contact area between the steering wheel main body and a driver is increased, the damage of the steering wheel main body to the driver is reduced, and the passive safety protection device is safe and reliable.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a passive safety device of car steering wheel, includes the steering wheel main part, the lower terminal surface of steering wheel main part is constructed with the steering wheel, the lower extreme of steering wheel articulates there is the support column, the butt joint groove has been seted up to the lower extreme of steering wheel, the locating hole has been seted up at the top in the butt joint groove, just the lower extreme of support column constructs the fixed cylinder that is used for being fixed in the steering spindle top, the top of support column is fixed with the butt joint ear, the butt joint ear is arranged in the butt joint inslot, the jack has been seted up on the top of butt joint ear, can dismantle in the jack and peg graft there is the impact fracture spare that receives the impact and can forge the fracture spare, the top of impact fracture spare stretches out outside the port of jack, and with the locating hole peg graft fixedly.
As a further preferable scheme, two sides of the butt joint lug are symmetrically fixed with horizontal limit posts, and the limit posts are rotationally connected with two side inner walls of the butt joint groove.
As a further preferable scheme, a vertical movable shaft is arranged in the support column, the top end of the movable shaft extends to the inner bottom of the jack, and a fixing head for fixing the impact fracture piece is formed.
As a further preferable scheme, the fixed head is provided with a clamping groove at the top end of the movable shaft, and the inner wall of the clamping groove is provided with threads matched with the lower end of the impact fracture piece.
As a further preferable scheme, the lower end of the movable shaft stretches into the inner top of the fixed cylinder and is fixed with a horizontal anti-falling plate.
As a further preferable scheme, a return spring is sleeved on the movable shaft, one end of the return spring is fixed on the inner top wall of the fixed cylinder, and the other end of the return spring is fixed on the upper end face of the anti-drop plate.
As a further preferable scheme, the impact fracture piece is a thin-wall structural piece and is made of extruded aluminum alloy.
In summary, the utility model has the technical effects and advantages that:
1. the steering wheel is enabled to drive the steering wheel main body to incline at the top end of the support column by utilizing the cooperation of the steering wheel, the support column, the jack and the impact breaking piece, the impact breaking piece is broken when being impacted, so that the abutting area between the steering wheel main body and a driver is increased, the damage of the steering wheel main body to the driver is reduced, the steering wheel is safe and reliable, and meanwhile, the array structures for passive safety protection are all positioned in the abutting groove and cannot be exposed to influence the driver as in the prior art, so that the steering wheel is more convenient to use.
2. The utility model benefits from the cooperation of the jack, the impact fracture piece, the movable shaft and the reset spring, can conveniently disassemble, assemble and replace the impact fracture piece in the jack, is simple to operate and is beneficial to maintenance, and only one impact fracture piece is consumed after each safety protection, so that the protection cost is low.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a support column according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a steering wheel main body; 2. a steering wheel; 201. a butt joint groove; 202. positioning holes; 3. a support column; 4. a fixed cylinder; 5. a butt joint lug; 501. a limit column; 6. a jack; 7. impact the breaking member; 8. a movable shaft; 801. a fixed head; 802. an anti-drop plate; 9. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: referring to fig. 1, 2 and 3, a passive safety protection device for an automobile steering wheel comprises a steering wheel main body 1, wherein a steering wheel 2 is constructed on the lower end surface of the steering wheel main body 1, and a support column 3 is hinged to the lower end of the steering wheel 2. In specific implementation, the lower end of the steering wheel 2 is provided with a docking slot 201, the top in the docking slot 201 is provided with a positioning hole 202, the top of the support column 3 is fixed with a docking lug 5, the docking lug 5 is arranged in the docking slot 201, two sides of the docking lug 5 are symmetrically fixed with horizontal limit columns 501, and the limit columns 501 are rotationally connected with two side inner walls of the docking slot 201 to form rotational installation of the steering wheel 2 and the support column 3.
Meanwhile, the jack 6 is provided at the top end of the abutment lug 5, the jack 6 is detachably inserted with an impact breaking member 7 which is broken by impact, in this embodiment, the impact breaking member 7 is a thin-wall structural member, and can be made of, but not limited to, extruded aluminum alloy, and the top end of the impact breaking member 7 extends out of the port of the jack 6 and is inserted and fixed with the positioning hole 202, so that the impact breaking member 7 can limit and fix the steering wheel 2 and the support column 3, and after the impact breaking member 7 is broken by impact breaking, the steering wheel 2 can drive the steering wheel body 1 to incline at the top of the support column 3.
As shown in fig. 4, the lower end of the support column 3 is configured with a fixing cylinder 4 for fixing at the top end of the steering shaft, a vertical movable shaft 8 is disposed in the support column 3, the top end of the movable shaft 8 extends to the bottom in the jack 6, and a fixing head 801 for fixing the impact breaking member 7 is configured, and in specific implementation, the fixing head 801 is provided with a clamping groove for the top end of the movable shaft 8, and the inner wall of the clamping groove is configured with threads matched with the lower end of the impact breaking member 7.
The lower end of the movable shaft 8 extends into the inner top of the fixed cylinder 4 and is fixed with a horizontal anti-drop plate 802, the movable shaft 8 is sleeved with a return spring 9, one end of the return spring 9 is fixed on the inner top wall of the fixed cylinder 4, and the other end of the return spring is fixed on the upper end face of the anti-drop plate 802, so that the return spring 9 can abut against the anti-drop plate 802 towards the lower side of the fixed cylinder 4 to drive the movable shaft 8, the fixed head 801 and the impact breaking piece 7 to move downwards, so that the impact breaking piece 7 can be accommodated in the jack 6, and after the lower end of the fixed cylinder 4 is inserted into the top end of the steering shaft of the vehicle body, the anti-drop plate 802 can abut upwards to compress the return spring 9, and the movable shaft 8, the fixed head 801 and the impact breaking piece 7 move upwards, so that the impact breaking piece 7 can be spliced with the positioning hole 202 to form limit fixing.
The working principle of the utility model is as follows: this passive safety device of car steering wheel, when using, take the description figure as an example, when the right side of steering wheel main part 1 received the forward collision of driver, when the collision dynamics reached certain degree, all can cause the impact fracture piece 7 fracture on butt joint ear 5 top for steering wheel 2 and steering wheel main part 1 can move about at the top of support column 3, at this moment, steering wheel main part 1 can atress right side driver's direction slope, thereby can make steering wheel main part 1 tend to vertical state, the area of contact of steering wheel main part 1 and driver's health has been increased, can effectively alleviate the collision dynamics between driver and the steering wheel main part 1, improved factor of safety, and this some structures that are used for passive safety protection all are located the butt joint groove 201, can not expose and lead to causing the influence to the driver like prior art, therefore, it is more convenient to use.
Meanwhile, after the impact fracture piece 7 is broken, along with the movement of the steering wheel 2 and the steering wheel main body 1 at the top end of the supporting column 3, the jack 6 at the top of the butt joint lug 5 can be exposed out of the butt joint groove 201, so that a worker can conveniently insert a new intact impact fracture piece 7 into the fixing head 801 in the jack 6 for fixing, at the moment, the reset spring 9 can enable the anti-falling plate 802 to abut against the inner lower part of the fixing cylinder 4, the movable shaft 8 and the fixing head 801 are driven to move downwards, the impact fracture piece 7 can be accommodated in the jack 6, so that the worker can conveniently right the steering wheel 2 at the top end of the supporting column 3, then the fixing cylinder 4 can be fixed on the steering shaft of the vehicle body, the movable shaft 8 and the fixing head 801 can be lifted by utilizing the anti-falling plate 802 in the butt joint fixing cylinder 4 at the top of the steering shaft, the top of the impact fracture piece 7 can extend out of the port of the jack 6 and be fixedly spliced with the positioning hole 202 at the top of the butt joint groove 201, the whole operation is convenient, and the impact fracture piece 7 is replaced, and the impact fracture piece 7 only needs to be consumed conveniently and maintained.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a passive safety device of car steering wheel, includes steering wheel main part (1), the lower terminal surface of steering wheel main part (1) is constructed with steering wheel (2), the lower extreme of steering wheel (2) articulates has support column (3), its characterized in that: the lower extreme of steering wheel (2) has seted up docking groove (201), locating hole (202) have been seted up at the top in docking groove (201), just the lower extreme structure of support column (3) has a fixed section of thick bamboo (4) that are used for being fixed in steering spindle top, the top of support column (3) is fixed with docking ear (5), docking ear (5) are arranged in docking groove (201), jack (6) have been seted up at the top of docking ear (5), detachably grafting has in jack (6) to receive impact rupture spare (7) that the impact can forge, the top of impact rupture spare (7) stretches out outside the port of jack (6), and with locating hole (202) grafting is fixed.
2. A passive safety device for an automotive steering wheel according to claim 1, wherein: horizontal limit posts (501) are symmetrically fixed on two sides of the butt joint lug (5), and the limit posts (501) are rotationally connected with two side inner walls of the butt joint groove (201).
3. A passive safety device for an automotive steering wheel according to claim 1, wherein: a vertical movable shaft (8) is arranged in the support column (3), the top end of the movable shaft (8) extends to the inner bottom of the jack (6), and a fixing head (801) for fixing the impact fracture piece (7) is formed.
4. A passive safety device for an automotive steering wheel according to claim 3, wherein: the fixed head (801) is provided with a clamping groove for the top end of the movable shaft (8), and the inner wall of the clamping groove is provided with threads matched with the lower end of the impact fracture piece (7).
5. A passive safety device for an automotive steering wheel according to claim 3, wherein: the lower end of the movable shaft (8) stretches into the inner top of the fixed cylinder (4) and is fixed with a horizontal anti-falling plate (802).
6. A passive safety device for an automotive steering wheel according to claim 5, wherein: the movable shaft (8) is sleeved with a reset spring (9), one end of the reset spring (9) is fixed on the inner top wall of the fixed cylinder (4), and the other end of the reset spring is fixed on the upper end face of the anti-falling plate (802).
7. A passive safety device for an automotive steering wheel according to claim 1, wherein: the impact fracture piece (7) is a thin-wall structural piece and is made of extruded aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086053.0U CN219668317U (en) | 2023-05-09 | 2023-05-09 | Passive safety device for automobile steering wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086053.0U CN219668317U (en) | 2023-05-09 | 2023-05-09 | Passive safety device for automobile steering wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219668317U true CN219668317U (en) | 2023-09-12 |
Family
ID=87894048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086053.0U Active CN219668317U (en) | 2023-05-09 | 2023-05-09 | Passive safety device for automobile steering wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219668317U (en) |
-
2023
- 2023-05-09 CN CN202321086053.0U patent/CN219668317U/en active Active
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