CN211616878U - Automobile rear cross beam bottom plate - Google Patents
Automobile rear cross beam bottom plate Download PDFInfo
- Publication number
- CN211616878U CN211616878U CN201922050574.0U CN201922050574U CN211616878U CN 211616878 U CN211616878 U CN 211616878U CN 201922050574 U CN201922050574 U CN 201922050574U CN 211616878 U CN211616878 U CN 211616878U
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- bottom plate
- block
- cross beam
- rear cross
- layer
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Abstract
The utility model relates to the technical field of automobile instruments, in particular to an automobile rear cross beam bottom plate, which comprises a rear cross beam bottom plate, wherein the rear cross beam bottom plate comprises a bottom plate center block, a plurality of through holes are arranged at the top of the bottom plate center block, a positioning hole is arranged on the bottom plate center block, the outer wall of the bottom plate center block is provided with an outer layer of rubber, a first soundproof cotton, an anti-corrosion layer and a reinforcing rib are sequentially arranged in the inner cavity of the bottom plate center block from outside to inside, two bottom plate side blocks are arranged at two sides of the bottom plate center block, a sound absorbing cavity is arranged at the top of the bottom plate side block, a shockproof block is fixedly arranged on the bottom plate side block, the outer wall of the shockproof block is provided with a damping rubber layer, the inner cavity of the shockproof block is provided with a plurality of damping spring layers, a second soundproof cotton is arranged in the, and can effectually give sound insulation, avoid producing the noise.
Description
Technical Field
The utility model relates to the technical field of automobiles, specifically a rear cross beam bottom plate of automobile.
Background
The automobile is a modern indispensable vehicle, the rear cross beam of automobile, also known as back anticollision roof beam, the rear cross beam fixed mounting of automobile is in the afterbody of frame, and install the rear cross beam bottom plate on the rear cross beam of automobile, however, the rear cross beam bottom plate anticollision effect of current structure is not good, after hitting the percussion, lead to the damage of rear cross beam easily, be unfavorable for driver and crew's safety, current rear cross beam bottom plate intensity is not enough, and the sound insulation that can not be fine, make automobile engine's sound too big, easily produce the noise, in view of this, we propose an automobile rear cross beam bottom plate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a car rear frame member bottom plate to the ordinary bottom plate anticollision effect that proposes in solving above-mentioned background art is not good, intensity is not enough and the not good problem of sound insulation effect.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a rear cross beam bottom plate of automobile, includes rear cross beam bottom plate, rear cross beam bottom plate includes bottom plate center block, a plurality of through-holes have been seted up at bottom plate center block top, be provided with the locating hole on the bottom plate center block, bottom plate center block outer wall is provided with the rubber skin, bottom plate center block inner chamber has set gradually first soundproof cotton, corrosion resistant layer and strengthening rib by outer to interior, bottom plate center block both sides are provided with the other piece of two bottom plates, the sound-absorbing chamber has been seted up at the other piece top of bottom plate, the other fixed shockproof piece that is provided with of bottom plate, the piece outer wall that takes precautions against earthquakes is provided with the shock-absorbing rubber layer, the piece inner chamber that takes precautions against earthquakes is provided with.
Preferably, the rear cross beam bottom plate is in an irregular arc shape and is matched with the rear cross beam.
Preferably, the bottom plate center block and the two bottom plate side blocks are of an integrally formed structure.
Preferably, the inner cavity of the central block of the bottom plate is matched and filled with the first soundproof cotton, the corrosion-resistant layer and the reinforcing ribs.
Preferably, a plurality of weight reducing grooves are formed in the bottom plate of the bottom plate side block, and the weight reducing grooves are uniformly distributed at the top of the bottom plate side block.
Preferably, the sound absorption cavity is provided with a plurality of sound absorption cavities, the inner cavity of the sound absorption cavity is provided with a circular ring layer, and the circular ring layer is in the shape of a multi-layer sunken circular truncated cone.
Preferably, the shockproof block is arc-shaped, the second soundproof cotton is close to the block beside the bottom plate, a plurality of springs are uniformly distributed in the shock-absorbing spring layer in the inner cavity of the shockproof block, and the shock-absorbing spring layer is matched with the inner cavity of the shockproof block.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this automobile rear cross beam bottom plate, through setting up shockproof piece, when the rear cross beam bottom plate received the striking, can protect the bottom plate through the shockproof piece of bottom plate, alleviates the striking through the decompression spring layer, and sets up the decompression rubber layer and is taking precautions against earthquakes the piece outer, and wear-resisting corrosion resistance is good.
2. This car rear frame member bottom plate is the sunken round platform of multilayer form through the ring layer that sets up the sound-absorbing chamber, and the sound that the absorption rear frame member that can be fine when bottom plate and rear frame member contact is avoided producing the noise because the vibration is sent.
3. This automobile rear cross beam bottom plate through setting up the strengthening rib, can carry out the additional strengthening to the rear cross beam bottom plate, avoids the bottom plate fragile, and is provided with first soundproof cotton and corrosion resistant layer through the piece inner chamber in the center of the bottom, can give sound insulation, and can avoid the bottom plate to be corroded, has increased life.
Drawings
FIG. 1 is an assembly diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a front sectional view of the overall structure of the present invention;
fig. 4 is a front sectional view of the bottom plate center block structure of the present invention.
In the figure: 1. a rear cross beam floor; 11. a bottom plate center block; 110. a through hole; 111. positioning holes; 12. a bottom plate side block; 120. a weight reduction groove; 13. an outer rubber layer; 14. a first soundproof cotton; 15. a corrosion-resistant layer; 16. reinforcing ribs; 17. a bottom plate inner layer; 2. a sound absorbing chamber; 20. a ring layer; 3. a shock-proof block; 31. a damping rubber layer; 32. a damping spring layer; 33. and the second soundproof cotton.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example 1
A rear cross beam bottom plate of an automobile, in order to solve the problems of bad anti-collision effect, insufficient strength and bad sound insulation effect of a common bottom plate, as a preferred embodiment, as shown in figure 1, figure 2, figure 3 and figure 4, comprises a rear cross beam bottom plate 1, the rear cross beam bottom plate 1 comprises a bottom plate center block 11, a plurality of through holes 110 are arranged at the top of the bottom plate center block 11, a positioning hole 111 is arranged on the bottom plate center block 11, a rubber outer layer 13 is arranged on the outer wall of the bottom plate center block 11, a first soundproof cotton 14, a corrosion resistant layer 15 and a reinforcing rib 16 are sequentially arranged in the inner cavity of the bottom plate center block 11 from outside to inside, two bottom plate side blocks 12 are arranged at two sides of the bottom plate center block 11, a sound absorbing cavity 2 is arranged at the top of the bottom plate side block 12, a shockproof block 3 is fixedly arranged on the bottom plate of the bottom plate side block, the inner cavity of the shockproof block 3 is provided with a second soundproof cotton 33.
In this example, back beam bottom plate 1 is irregular arc form, and back beam bottom plate 1 and back beam looks adaptation are connected through back beam bottom plate 1 and back beam adaptation, protect the back beam.
Specifically, the bottom plate center block 11 and the two bottom plate side blocks 12 are of an integrally formed structure, so that the bottom plate is attached to the rear cross beam.
Further, 11 inner chambers of bottom plate center piece and first soundproof cotton 14, corrosion-resistant layer 15 and strengthening rib 16 looks adaptation are filled, can keep apart the sound that rear beam vibration sent through setting up soundproof cotton 14, and can reduce the corruption of rear beam bottom plate 1 through corrosion-resistant layer 15, have increased life, through setting up strengthening rib 16, can increase the intensity of bottom plate.
Furthermore, a plurality of weight reducing grooves 120 are formed in the bottom plate of the bottom plate side block 12, the weight reducing grooves 120 are evenly distributed in the top of the bottom plate side block 12, the weight of the rear cross beam bottom plate 1 can be reduced by arranging the weight reducing grooves 120, and the problem that the rear cross beam bottom plate is easy to fall off due to overlarge weight is solved.
Furthermore, the sound absorption cavities 2 are provided with a plurality of sound absorption cavities, the inner cavities of the sound absorption cavities 2 are provided with the circular ring layers 20, the circular ring layers 20 are in a shape of a multi-layer sunken circular truncated cone, sound emitted by an engine in the inner cavity of the bottom plate of the rear cross beam can be absorbed through the sound absorption cavities 2, and overlarge noise is avoided.
In addition, the piece 3 that takes precautions against earthquakes is the arc form, second soundproof cotton 33 is close to the other piece 12 of bottom plate, be provided with a plurality of spring evenly distributed in damping spring layer 32 and take precautions against earthquakes 3 inner chambers of piece, damping spring layer 32 and 3 inner chamber looks adaptations of piece that take precautions against earthquakes, through setting up the piece 3 that takes precautions against earthquakes, can alleviate when the bottom plate receives the striking, avoid damaging bottom plate and back end rail, through the effectual vibration of alleviating of damping spring layer 32, and set up the noise that second soundproof cotton 33 can effectual reduction vibration bring.
The utility model discloses car rear frame member bottom plate is when using, through rear frame member bottom plate 1 and rear frame member adaptation connection, protect the rear frame member, when receiving the collision, through shockproof piece 3, can alleviate the collision, avoid damaging bottom plate and rear frame member, through the effectual vibration of alleviating of damping spring layer 32, and set up the noise that second soundproof cotton 33 can effectual reduction vibration bring, and 11 inner chambers of bottom plate centre block have set gradually first soundproof cotton 14 by outer to interior, corrosion-resistant layer 15 and strengthening rib 16, sound that can send the rear frame member vibration through setting up soundproof cotton 14 is kept apart, and can reduce the corruption of rear frame member bottom plate 1 through corrosion-resistant layer 15, and the service life is increased, through setting up strengthening rib 16, can increase the intensity of bottom plate.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an automobile rear cross beam bottom plate, includes rear cross beam bottom plate (1), its characterized in that: the rear cross beam bottom plate (1) comprises a bottom plate center block (11), a plurality of through holes (110) are formed in the top of the bottom plate center block (11), a positioning hole (111) is arranged on the bottom plate center block (11), a rubber outer layer (13) is arranged on the outer wall of the bottom plate center block (11), the inner cavity of the central block (11) of the bottom plate is sequentially provided with a first soundproof cotton (14), a corrosion-resistant layer (15) and a reinforcing rib (16) from outside to inside, two bottom plate side blocks (12) are arranged at two sides of the bottom plate center block (11), the top of the bottom plate side block (12) is provided with a sound absorbing cavity (2), the bottom plate of the bottom plate side block (12) is fixedly provided with a shockproof block (3), the shock-proof block is characterized in that a shock-absorbing rubber layer (31) is arranged on the outer wall of the shock-proof block (3), a plurality of shock-absorbing spring layers (32) are arranged in the inner cavity of the shock-proof block (3), and second soundproof cotton (33) is arranged in the inner cavity of the shock-proof block (3).
2. The floor cross member of an automobile according to claim 1, wherein: the rear cross beam bottom plate (1) is in an irregular arc shape, and the rear cross beam bottom plate (1) is matched with the rear cross beam.
3. The floor cross member of an automobile according to claim 1, wherein: the bottom plate center block (11) and the two bottom plate side blocks (12) are of an integrally formed structure.
4. The floor cross member of an automobile according to claim 1, wherein: the inner cavity of the bottom plate center block (11) is matched and filled with the first soundproof cotton (14), the corrosion-resistant layer (15) and the reinforcing ribs (16).
5. The floor cross member of an automobile according to claim 1, wherein: the bottom plate of the bottom plate side block (12) is provided with a plurality of weight reducing grooves (120), and the weight reducing grooves (120) are uniformly distributed at the top of the bottom plate side block (12).
6. The floor cross member of an automobile according to claim 1, wherein: the sound absorption cavity (2) is provided with a plurality of sound absorption cavities, the inner cavity of the sound absorption cavity (2) is provided with a circular ring layer (20), and the circular ring layer (20) is in the shape of a multi-layer sunken circular truncated cone.
7. The floor cross member of an automobile according to claim 1, wherein: the shockproof block (3) is arc-shaped, the second soundproof cotton (33) is close to the side block (12) of the bottom plate, a plurality of springs are uniformly distributed in the damping spring layer (32) and are in fit with the inner cavity of the shockproof block (3), and the damping spring layer (32) is in fit with the inner cavity of the shockproof block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050574.0U CN211616878U (en) | 2019-11-25 | 2019-11-25 | Automobile rear cross beam bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922050574.0U CN211616878U (en) | 2019-11-25 | 2019-11-25 | Automobile rear cross beam bottom plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211616878U true CN211616878U (en) | 2020-10-02 |
Family
ID=72626446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922050574.0U Expired - Fee Related CN211616878U (en) | 2019-11-25 | 2019-11-25 | Automobile rear cross beam bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211616878U (en) |
-
2019
- 2019-11-25 CN CN201922050574.0U patent/CN211616878U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201002 Termination date: 20211125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |