Steering gear shell pressing block hole structure for optimizing battery box collision
By adding a sloped platform, weight-reducing holes and reinforcing ribs to the steering gear housing pressure block hole, the contact area between the battery box and the steering gear is optimized, which solves the risk of fire when the battery box and the steering gear collide, meets the requirements of collision regulations and improves structural strength.
Patent Information
- Application Number
- CN202422913908.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing steering gear housing pressure block hole design results in a small contact area between the battery box and the steering gear and high pressure, posing a risk of fire in the internal battery components. It cannot pass the collision test and cannot meet the vehicle model regulatory requirements.
An inclined platform, weight-reducing holes and reinforcing ribs are added to the shell pressing block holes to optimize the shell pressing block hole structure, increase the contact area between the battery box and the steering gear, reduce contact stress, and reduce heat nodes through the weight-reducing hole design to improve structural strength.
It effectively increases the contact area between the battery box and the steering gear, reduces collision stress, prevents fire risks, meets collision regulations, and at the same time improves the strength of the shell pressure block structure to avoid damage to the steering gear.
Smart Images
Figure CN223420788U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steering gear housings, in particular to a steering gear housing pressing block hole structure for optimizing battery box collision. Background Art
[0002] The existing steering gear housing pressure block hole is a cylindrical design with a 0.2mm rounded corner on the end face. In some vehicle models, the battery box and steering gear are located close together. During crash simulation analysis, the battery box collides with the rounded corner of the steering gear housing pressure block hole. The contact area is relatively small, resulting in high pressure. This poses a risk of fire for the internal electronic components, making it impossible to pass crash tests and fail to meet the crash regulations required for customer-specific vehicles.
[0003] Therefore, it is necessary to design a steering gear housing pressure block hole structure that optimizes the battery box collision, so as to increase the contact area between the battery box and the housing during the collision, prevent the internal components of the battery from catching fire when the battery box collides with the steering gear, and at the same time meet the requirements of vehicle development in compliance with collision regulations. Summary of the Invention
[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a steering gear housing pressure block hole structure that optimizes the battery box collision, so as to increase the contact area between the battery box and the housing during the collision, prevent the internal components of the battery from catching fire when the battery box collides with the steering gear, and at the same time meet the requirements of vehicle development in compliance with collision regulations.
[0005] In order to achieve the above-mentioned purpose, the utility model is a steering gear housing pressure block hole structure that optimizes the collision of the battery box, including a housing pressure block hole body, a sloped platform, a weight-reducing hole, a reinforcing rib, and a plane rib. A plane rib is provided on one side of the housing pressure block hole body, and the top of the plane rib is flush with the end face of the housing pressure block hole body. A sloped platform is provided on the upper half of the outer side of the plane rib, a weight-reducing hole is provided on the left surface of the sloped platform, and a reinforcing rib is provided on the right bottom surface of the sloped platform. One end of the reinforcing rib is located at the bottom edge of the sloped platform, and the other end of the reinforcing rib is connected to the plane rib.
[0006] The inclined platform is arranged at the collision position between the shell pressing block hole body and the battery box.
[0007] The angle between the surface of the inclined platform and the axis of the shell pressing block hole body is 45°.
[0008] There are two weight-reducing holes, each with a width of 5.7 mm.
[0009] There are three reinforcing ribs.
[0010] The shell pressing block hole body, plane ribs, inclined surface platform and reinforcing ribs are blank casting structures.
[0011] Compared with the prior art, the utility model adds an inclined platform on the shell pressing block hole to increase the contact area between the battery box and the steering gear during collision, reduces the contact stress during the battery box collision process, effectively solves the fire problem caused by the collision, and meets the requirements of the vehicle development in compliance with the collision regulations; at the same time, through the design of the weight-reducing hole, the heat node of the inclined platform is reduced and the shrinkage cavity phenomenon is reduced; the arrangement of the reinforcing ribs improves the strength of the shell pressing block structure as a whole, avoiding damage to the steering gear after a collision. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural diagram of the present utility model.
[0013] Figure 2 This is a schematic structural diagram of the flat ribs and inclined platform of the utility model from a side view.
[0014] Figure 3 This is a structural diagram of the weight-reducing hole of the utility model.
[0015] Figure 4 This is a schematic structural diagram of the reinforcing rib of the utility model when viewed from above. DETAILED DESCRIPTION
[0016] The present invention will now be further described with reference to the accompanying drawings.
[0017] See also Figures 1 to 4 The utility model is a steering gear housing pressure block hole structure that optimizes battery box collision, including a housing pressure block hole body, a sloped platform, a weight-reducing hole, a reinforcing rib, and a plane rib. A plane rib 2 is provided on one side of the housing pressure block hole body 5. The top of the plane rib 2 is flush with the end face of the housing pressure block hole body 5. An inclined platform 1 is provided on the upper half of the outer side of the plane rib 2. A weight-reducing hole 3 is provided on the left surface of the inclined platform 1. A reinforcing rib 4 is provided on the right bottom surface of the inclined platform 1. One end of the reinforcing rib 4 is located at the bottom edge of the inclined platform 1, and the other end of the reinforcing rib 4 is connected to the plane rib 2.
[0018] The inclined platform 1 is arranged at the collision position between the shell pressing block hole body 5 and the battery box.
[0019] See also Figure 2 The angle between the surface of the inclined platform 1 and the axis of the shell pressing block hole body 5 is 45°.
[0020] See also Figure 3 Preferably, there are two weight-reducing holes 3, and the width of the weight-reducing holes 3 is 5.7 mm, so as to reduce the local wall thickness and ensure the casting quality.
[0021] See also Figure 4Preferably, there are three reinforcing ribs 4 to improve the overall strength of the inclined platform 1 and ensure the stability of the inclined platform 1 during a collision.
[0022] The shell block hole body 5, the plane rib 2, the inclined platform 1, and the reinforcing rib 4 are a blank casting structure. The end is machined to ensure that the plane rib 2, the inclined platform 1 and the end surface of the shell block hole body 5 are flush.
[0023] Pressure P is the force per unit area of an object and is related to the area S and the pressure F: P = F / S. Therefore, if the pressure F generated by a collision is constant, reducing the pressure and contact stress between two objects requires increasing the contact area. This principle is employed by the present invention, which adds a sloped platform 1 at the collision point between the housing pressure block hole 5 and the battery box.
[0024] Taking the inclined platform 1 as an example, the length is 84mm and the width is 13mm, the actual collision contact area is 860mm 2 In a full-vehicle collision test, while the force F remains constant, the pressure P changes by thousands of times, effectively reducing the energy generated by the collision and thus avoiding the risk of fire in battery components caused by excessive collision energy.
[0025] This new design adds a sloped platform to the housing clamp hole to increase the contact area between the battery box and the steering gear during collisions. This reduces contact stress during battery box collisions, effectively addressing fires caused by collisions and ensuring vehicle development complies with collision regulations. Furthermore, the design of the weight-reducing holes reduces thermal nodes on the sloped platform and reduces shrinkage. The placement of reinforcing ribs improves the overall strength of the housing clamp structure, preventing damage to the steering gear after collisions. This new design meets existing production line process requirements and demonstrates process feasibility.
Claims
1. A steering gear housing block hole structure for optimizing battery box collision, comprising a housing block hole body, an inclined platform, a weight-reducing hole, a reinforcing rib, and a flat rib, characterized in that: A plane rib (2) is provided on one side of the shell pressing block hole body (5), the top of the plane rib (2) is flush with the end face of the shell pressing block hole body (5), an inclined platform (1) is provided on the upper half of the outer side of the plane rib (2), a weight reduction hole (3) is provided on the left surface of the inclined platform (1), and a reinforcing rib (4) is provided on the right bottom surface of the inclined platform (1), one end of the reinforcing rib (4) is located at the bottom edge of the inclined platform (1), and the other end of the reinforcing rib (4) is connected to the plane rib (2).
2. The steering housing pressing block hole structure for optimizing battery box collision according to claim 1, characterized in that: The inclined platform (1) is arranged at the collision position between the shell pressing block hole body (5) and the battery box.
3. The steering housing pressing block hole structure for optimizing battery box collision according to claim 1, characterized in that: The angle between the surface of the inclined platform (1) and the axis of the shell pressing block hole body (5) is 45°.
4. The steering housing pressing block hole structure for optimizing battery box collision according to claim 1, characterized in that: There are two weight-reducing holes (3), and the width of the weight-reducing holes (3) is 5.7 mm.
5. The steering housing pressing block hole structure for optimizing battery box collision according to claim 1, characterized in that: There are three reinforcing ribs (4).
6. The steering gear housing pressing block hole structure for optimizing battery box collision according to claim 1, characterized in that: The shell pressing block hole body (5), the plane ribs (2), the inclined platform (1), and the reinforcing ribs (4) are blank casting structures.