CN220220924U - Engine cover inner plate of engine cabin - Google Patents
Engine cover inner plate of engine cabin Download PDFInfo
- Publication number
- CN220220924U CN220220924U CN202322021087.8U CN202322021087U CN220220924U CN 220220924 U CN220220924 U CN 220220924U CN 202322021087 U CN202322021087 U CN 202322021087U CN 220220924 U CN220220924 U CN 220220924U
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- unit
- energy
- absorbing
- guard plate
- reinforcing
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 10
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 14
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000013585 weight reducing agent Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- Superstructure Of Vehicle (AREA)
Abstract
The utility model discloses a hood inner plate of a cabin of an engine, which relates to the technical field of automobile structures and comprises an outer guard plate, an inner lining unit, a sealing strip mounting surface, a reinforcing unit and an energy absorbing unit; the reinforcing unit comprises an elastic buffering reinforcing hole formed in the outer edge of the lining unit, and a cross ring-shaped reinforcing rib fixedly connected between the inner walls of the lining unit and used for improving strength, and the energy absorbing unit comprises an oval energy absorbing and weight reducing hole a formed in one side of the lining unit and a triangular cone-shaped energy absorbing and weight reducing hole a formed in one side of the lining unit and used for absorbing energy and reducing impact. The utility model provides a hood inner plate of a cabin of an engine, which provides high strength of the inner plate through the arrangement of cross-shaped reinforcing ribs, outer ring reinforcing ribs and inner ring reinforcing ribs, avoids damage caused by overlarge impact force, effectively ensures the strength requirement of the hood inner plate, has strong energy absorption and sound absorption effects, reduces reaction force and can avoid serious damage to the head of a pedestrian.
Description
Technical Field
The utility model relates to the technical field of automobile structures, in particular to a hood inner plate of a cabin of an engine.
Background
Automotive hood inner panels are an important part of a hood assembly. The inner plate structure of the engine cover meets the requirement of installing accessory parts of the engine cover; meanwhile, the requirements of strength and rigidity of the engine cover, the requirements of tightness and corrosion resistance of the front cabin, the requirements of manufacturing feasibility, the requirements of light weight of parts and the like are met. Automobile is taken as an important transportation means in modern times, is more and more favored by masses, and automobile safety is becoming an important measurement standard, so that the requirements of people on pedestrian protection of automobile engine covers are higher and higher.
In publication (bulletin) No.: 201821448368.4 an engine cover inner plate, an engine cover and an automobile are disclosed, the bending connection part provided with the elastic buffer reinforcing holes increases the deformation capacity of an area of the engine cover outer plate corresponding to the upper guard plate after being crushed, and when the area is impacted by a pedestrian, the bending connection part deforms, so that the reaction force of the pedestrian is reduced, and the pedestrian is protected; the protection capability of the engine cover on pedestrians after being impacted by the pedestrians is improved on the basis that the strength of the inner plate of the engine cover is not affected.
In the above patent, although the impact force after the collision of the pedestrian is effectively reduced, the weight reducing holes formed in the inner panel are too many, so that the structure still has low strength and the energy absorbing effect does not reach the ideal effect, and therefore, it is necessary to provide a hood inner panel of the cabin of the engine.
Disclosure of Invention
The utility model mainly aims to provide a hood inner plate of an engine cabin, which can effectively solve the problems that in the background art, although the impact force of pedestrians after collision is effectively reduced, too many lightening holes are formed in the inner plate, so that the structure still has low strength and the energy absorption effect cannot reach the ideal effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the inner hood plate of the engine cabin comprises an outer guard plate, an inner lining unit arranged on the inner side of the outer guard plate, a sealing strip mounting surface arranged at the edge of the outer guard plate, a reinforcing unit and an energy absorbing unit, wherein the reinforcing unit and the energy absorbing unit are arranged in the inner lining unit;
the reinforcing unit comprises elastic buffer reinforcing holes formed at the outer edge of the lining unit and cross ring-shaped reinforcing ribs fixedly connected between the inner walls of the lining unit and used for improving strength;
the energy absorption unit comprises an oval energy absorption weight reduction hole a formed in one side of the lining unit, and a triangular cone energy absorption weight reduction hole a formed in one side of the lining unit and used for absorbing energy and reducing impact.
Preferably, the lining unit includes a side guard provided at one side of the outer guard, and an inner guard fixedly connected between inner sides of the side guard.
Preferably, the reinforcing unit further comprises an outer ring reinforcing rib mounted on the outer side surface of the side guard plate, and an inner ring reinforcing rib mounted on the inner side outer surface of the side guard plate.
Preferably, the energy absorbing unit further comprises an elliptical energy absorbing weight reducing hole b formed in one side of the outer surface of the inner guard plate, and a triangular cone-shaped energy absorbing weight reducing hole b formed below the elliptical energy absorbing weight reducing hole b.
Preferably, the number of the elastic buffering reinforcing holes is a plurality of, the elastic buffering reinforcing holes are circumferentially arranged on the periphery of the side guard plate, the cross ring-shaped reinforcing ribs are of a central circular structure, and four ends of the cross ring-shaped reinforcing ribs are fixedly connected with the inner wall of the inner guard plate.
Preferably, the oval energy-absorbing lightening hole a and the oval energy-absorbing lightening hole b are arranged in a mirror image mode with the shaft center of the inner protection plate, the triangular cone energy-absorbing lightening hole a and the triangular cone energy-absorbing lightening hole b are arranged in a mirror image mode with the shaft center of the inner protection plate, and the inner rings of the triangular cone energy-absorbing lightening hole a and the triangular cone energy-absorbing lightening hole b are all provided with matched protection pads.
Preferably, the energy absorbing unit further comprises sound absorbing cotton arranged on the inner wall surfaces of the oval energy absorbing lightening holes a and b, and pressure dividing pads arranged on the inner wall surfaces of the triangular cone-shaped energy absorbing lightening holes a and b.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the inner guard plate and the side guard plate are integrally formed and arranged, and are made of aluminum alloy or steel structures, so that the side guard plate and the side guard plate have certain strength, meanwhile, the plurality of elastic buffering reinforcing holes circumferentially arranged on the periphery of the side guard plate can play a role in buffering when being impacted, the elastic strength of the side guard plate is further improved when being impacted, the specific structure of the cross-shaped ring-shaped reinforcing rib is arranged, the strength of the side guard plate and the side guard plate can be further improved when the lightening holes are formed, and meanwhile, the arranged outer ring reinforcing rib and inner ring reinforcing rib provide the strength at the edges of the side guard plate and the inner guard plate, damage caused by overlarge impact force is avoided, and the strength requirement of the inner plate of the hood is effectively ensured.
2. According to the utility model, the oval energy-absorbing lightening holes a and the oval energy-absorbing lightening holes b are sequentially formed above the outer side of the inner guard plate, the lightening holes of the oval structure can effectively dissipate the capability after impact to the edge, energy absorption can be carried out, the weight of the inner plate is lightened, the sound absorbing cotton arranged on the oval energy-absorbing lightening holes can reduce the impact sound during impact, the triangular cone energy-absorbing lightening holes a and the triangular cone energy-absorbing lightening holes b are sequentially formed below the outer side of the inner guard plate, the impact energy can be dissipated downwards under the arrangement of the triangular cone structure, the impact force is reduced through energy absorption, the impact pressure can be effectively absorbed through the arrangement of the upper pressure dividing pad, the energy-absorbing effect is further improved, so that after an automobile collides with a pedestrian, the strong energy-absorbing sound-absorbing effect is ensured, the reaction force is reduced, and serious damage to the head of the pedestrian can be avoided.
Drawings
FIG. 1 is a schematic plan view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 3 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.
In the figure:
100. an outer guard plate;
200. a lining unit; 201. a side guard plate; 202. an inner guard board;
300. a sealing strip mounting surface;
400. a reinforcement unit; 401. cross ring-shaped reinforcing ribs; 402. elastic buffer reinforcing holes; 403. an outer ring reinforcing rib; 404. an inner ring reinforcing rib;
500. an energy absorbing unit; 501. oval energy-absorbing lightening holes a; 502. oval energy-absorbing lightening holes b; 503. triangular cone-shaped energy absorption lightening holes a; 504. triangular cone-shaped energy absorption lightening holes b; 505. sound absorbing cotton; 506. and a pressure dividing pad.
Detailed Description
Example 1
Referring to fig. 1 to 3, the present utility model is a hood inner panel of a nacelle of an engine, including an outer panel 100, an inner lining unit 200 disposed inside the outer panel 100, a weather strip mounting surface 300 disposed at an edge of the outer panel 100, and a reinforcement unit 400 and an energy absorbing unit 500 disposed inside the inner lining unit 200;
the energy absorbing unit 500 includes an oval energy absorbing lightening hole a501 formed at one side of the lining unit 200, and a triangular cone energy absorbing lightening hole a503 formed at one side of the lining unit 200 for absorbing energy and reducing impact.
As shown in fig. 1 and 2, the lining unit 200 includes a side guard 201 provided on one side of the outer guard 100, and an inner guard 202 fixedly connected between the inner sides of the side guard 201, wherein the inner guard 202 and the side guard 201 are made of aluminum alloy or steel, and can provide a certain strength and are integrally formed.
As shown in fig. 1 to 3, the reinforcement unit 400 includes an elastic buffer reinforcement hole 402 formed at the outer edge of the inner liner unit 200, a cross-shaped ring reinforcement rib 401 fixedly connected between the inner walls of the inner liner unit 200 for improving strength, an outer ring reinforcement rib 403 mounted on the outer side surface of the side guard 201, and an inner ring reinforcement rib 404 mounted on the inner side outer surface of the side guard 201, a plurality of elastic buffer reinforcement holes 402 are formed, the plurality of elastic buffer reinforcement holes 402 are circumferentially arranged at the outer periphery of the side guard 201, the cross-shaped ring reinforcement rib 401 is in a central circular structure, and four ends are fixedly connected with the inner walls of the inner guard 202, and the energy absorption unit 500 further includes sound absorbing cotton 505 disposed on the inner wall surfaces of the oval energy absorbing weight reduction holes a501 and 502, and a pressure dividing pad 506 disposed on the inner wall surfaces of the triangular cone energy absorbing weight reduction holes a503 and b 504.
The inner guard plate 202 and the side guard plate 201 in this embodiment are integrally formed and arranged, and the inner guard plate 202 and the side guard plate 201 are made of aluminum alloy or steel structures, so that the side guard plate 201 and the side guard plate 201 have certain strength, meanwhile, a plurality of elastic buffer reinforcing holes 402 are circumferentially formed in the periphery of the side guard plate 201, so that a buffer effect can be achieved when the side guard plate is impacted, the elastic reinforcing strength during impact is further improved, the specific structure of the cross-shaped reinforcing rib 401 is arranged, the strength of the side guard plate is further improved when the lightening holes are formed, meanwhile, the outer ring reinforcing rib 403 and the inner ring reinforcing rib 404 are arranged, the strength of the edges of the side guard plate 201 and the inner guard plate 202 is provided, damage caused by overlarge impact force is avoided, and the strength requirement of a hood inner plate is effectively ensured.
Example 2
Referring to fig. 1 to 3, the present utility model is a hood inner panel of a nacelle of an engine, including an outer panel 100, an inner lining unit 200 disposed inside the outer panel 100, a weather strip mounting surface 300 disposed at an edge of the outer panel 100, and a reinforcement unit 400 and an energy absorbing unit 500 disposed inside the inner lining unit 200;
the reinforcement unit 400 includes an elastic buffer reinforcement hole 402 formed at the outer edge of the liner unit 200, and a cross-shaped ring-shaped reinforcement rib 401 fixedly connected between the inner walls of the liner unit 200 for improving strength.
As shown in fig. 1 and 2, the lining unit 200 includes a side guard 201 provided on one side of the outer guard 100, and an inner guard 202 fixedly connected between the inner sides of the side guard 201, wherein the inner guard 202 and the side guard 201 are made of aluminum alloy or steel, and can provide a certain strength and are integrally formed.
As shown in fig. 1 and 3, the energy absorbing unit 500 includes an oval energy absorbing lightening hole a501 formed on one side of the lining unit 200, and a triangular cone energy absorbing lightening hole a503 formed on one side of the lining unit 200 for absorbing energy and reducing impact, the energy absorbing unit 500 further includes an oval energy absorbing lightening hole b502 formed on one side of the outer surface of the inner protection plate 202, and a triangular cone energy absorbing lightening hole b504 formed below the oval energy absorbing lightening hole b502, the oval energy absorbing lightening hole a501 and the oval energy absorbing lightening hole b502 are mirror-image-arranged with respect to the axial center of the inner protection plate 202, the triangular cone energy absorbing lightening hole a503 and the triangular cone energy absorbing lightening hole b504 are mirror-image-arranged with respect to the axial center of the inner protection plate 202, and the inner rings are provided with matched protection pads.
In this embodiment, the oval energy-absorbing lightening hole a501 and the oval energy-absorbing lightening hole b502 are sequentially formed above the outer side of the inner protection plate 202, the lightening holes of the oval structure can effectively dissipate the capability after impact to the edge, energy can be absorbed and the weight of the inner plate is lightened, the sound absorbing cotton 505 arranged on the lightening holes can reduce the impact sound during impact, the triangular cone energy-absorbing lightening hole a503 and the triangular cone energy-absorbing lightening hole b504 are sequentially formed below the outer side of the inner protection plate 202, under the arrangement of the triangular cone structure, impact energy can be dissipated to the lower side, the energy absorption is carried out, the impact force is reduced, the pressure-dividing pad 506 is arranged on the lightening hole, the impact pressure can be effectively absorbed, the energy absorption effect is further improved, and therefore, after an automobile collides with a pedestrian, the powerful energy-absorbing sound-absorbing effect is ensured, the reaction force is reduced, and serious damage to the head of the pedestrian can be avoided.
Claims (7)
1. A hood inner panel of a cabin of an engine, comprising an outer guard plate (100), an inner lining unit (200) arranged on the inner side of the outer guard plate (100), and a sealing strip mounting surface (300) arranged at the edge of the outer guard plate (100), and the hood inner panel is characterized by further comprising a reinforcing unit (400) and an energy absorbing unit (500) which are arranged in the inner lining unit (200);
the reinforcing unit (400) comprises elastic buffer reinforcing holes (402) formed at the outer edge of the lining unit (200), and cross ring-shaped reinforcing ribs (401) fixedly connected between the inner walls of the lining unit (200) and used for improving strength;
the energy absorption unit (500) comprises an elliptical energy absorption weight-reducing hole a (501) formed on one side of the lining unit (200) and a triangular cone-shaped energy absorption weight-reducing hole a (503) formed on one side of the lining unit (200) and used for absorbing energy and reducing impact.
2. A hood inner panel of a nacelle of an engine according to claim 1, wherein: the lining unit (200) comprises a side guard plate (201) arranged on one side surface of the outer guard plate (100), and an inner guard plate (202) fixedly connected between the inner sides of the side guard plates (201).
3. A hood inner panel of a nacelle of an engine according to claim 2, wherein: the reinforcing unit (400) further comprises an outer ring reinforcing rib (403) arranged on the outer side surface of the side guard plate (201), and an inner ring reinforcing rib (404) arranged on the inner side outer surface of the side guard plate (201).
4. A hood inner panel of a nacelle of an engine according to claim 2, wherein: the energy absorption unit (500) further comprises an elliptical energy absorption weight-reducing hole b (502) formed in one side of the outer surface of the inner guard plate (202), and a triangular cone-shaped energy absorption weight-reducing hole b (504) formed below the elliptical energy absorption weight-reducing hole b (502).
5. A hood inner panel of a nacelle of an engine according to claim 3, wherein: the number of the elastic buffering reinforcing holes (402) is a plurality of, the elastic buffering reinforcing holes (402) are circumferentially arranged on the periphery of the side guard plate (201), the cross ring-shaped reinforcing ribs (401) are of a central circular structure, and four ends of the cross ring-shaped reinforcing ribs are fixedly connected with the inner wall of the inner guard plate (202).
6. A hood inner panel of a nacelle of an engine according to claim 4, wherein: the elliptical energy-absorbing lightening hole a (501) and the elliptical energy-absorbing lightening hole b (502) are arranged in a mirror image mode on the shaft center of the inner protection plate (202), the triangular conical energy-absorbing lightening hole a (503) and the triangular conical energy-absorbing lightening hole b (504) are arranged in a mirror image mode on the shaft center of the inner protection plate (202), and the inner rings of the triangular conical energy-absorbing lightening holes a (503) and the triangular conical energy-absorbing lightening hole b are all provided with matched protection pads.
7. A hood inner panel of a nacelle of an engine according to claim 6, wherein: the energy absorption unit (500) further comprises sound absorption cotton (505) arranged on the inner wall surfaces of the oval energy absorption lightening hole a (501) and the oval energy absorption lightening hole b (502), and a pressure division pad (506) arranged on the inner wall surfaces of the triangular cone energy absorption lightening hole a (503) and the triangular cone energy absorption lightening hole b (504).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322021087.8U CN220220924U (en) | 2023-07-31 | 2023-07-31 | Engine cover inner plate of engine cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322021087.8U CN220220924U (en) | 2023-07-31 | 2023-07-31 | Engine cover inner plate of engine cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220220924U true CN220220924U (en) | 2023-12-22 |
Family
ID=89171442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322021087.8U Active CN220220924U (en) | 2023-07-31 | 2023-07-31 | Engine cover inner plate of engine cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220220924U (en) |
-
2023
- 2023-07-31 CN CN202322021087.8U patent/CN220220924U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |