CN107416030B - Force transmission frame - Google Patents
Force transmission frame Download PDFInfo
- Publication number
- CN107416030B CN107416030B CN201610351661.8A CN201610351661A CN107416030B CN 107416030 B CN107416030 B CN 107416030B CN 201610351661 A CN201610351661 A CN 201610351661A CN 107416030 B CN107416030 B CN 107416030B
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- girder
- beams
- cross beam
- fixedly connected
- reinforcing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a force transmission frame which comprises a front beam, a rear beam, an extension piece, a first beam, a rear floor beam, two second beams, two front beams, two rear beam reinforcing plates and two rear beams, wherein the two front beams are arranged in parallel, one ends of the two front beams are respectively and fixedly connected with the left end and the right end of the front beam, the other ends of the two front beams are respectively and vertically fixedly connected with the two second beams, a first beam is arranged between the front beam and the second beam, two ends of the first beam are respectively and vertically and fixedly connected with the two front beams, the two rear beam reinforcing plates are respectively arranged on the two rear beams, one ends of the two rear beams are connected with the two rear beam reinforcing plates through the extension piece, the other ends of the two rear beams are vertically connected with the rear beams, and the two ends of the rear floor beam are respectively and vertically connected with the middle parts of the two rear beams. The transmission of various forces of the bearing vehicle type frame is optimized, and the good transmission of the conditions that the energy in collision is well transmitted and dispersed and the front girder and the rear girder cannot be in butt joint can be realized.
Description
Technical Field
The invention relates to the technical field of vehicle body structures, in particular to a force transmission vehicle frame.
Background
At present, a frame is provided with a complete longitudinal beam structure, a large space and heavy weight are utilized, the frame generally adopts a non-half bearing frame structure or a bearing type vehicle body structure, a front girder, a middle girder and a rear girder of the non-half bearing type vehicle frame structure are positioned on the same horizontal plane, no lap joint exists between the front girder and the rear girder of the bearing type vehicle body structure, and the front girder, the middle girder and the rear girder have heavy through weight; through the longitudinal beam structure, occupying space; the longitudinal beam through structure has small ground clearance; the transition is very rapid without a node structure; the A/B/C column lap joint structure is simple, the force transmission path is single, and the structural strength is lower.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and the invention aims to provide a force transmission frame, optimize the transmission of various forces of a bearing vehicle type frame, and realize good transmission under the conditions that energy is well transmitted and dispersed in the left and right directions in collision and front and rear girders cannot be connected.
The invention discloses a force transmission frame which comprises a front beam, a rear beam, an extension piece, a first beam, a rear floor beam, two second beams, two front beams, two rear beam reinforcing plates and two rear beams, wherein the two front beams are arranged in parallel, one ends of the two front beams are respectively and fixedly connected with the left end and the right end of the front beam, the other ends of the two front beams are respectively and vertically fixedly connected with the two second beams, a first beam is arranged between the front beam and the second beam, two ends of the first beam are respectively and vertically fixedly connected with the two front beams, the two rear beam reinforcing plates are respectively arranged on the two rear beams, one ends of the two rear beams are connected with the two rear beam reinforcing plates through the extension piece, the other ends of the two rear beams are vertically connected with the rear beams, and the two ends of the rear floor beam are respectively and vertically connected with the middle parts of the two rear beams.
The force transmission frame of the invention can also be:
and a through door opening is arranged at the threshold of the rear girder reinforcing plate.
The front girder end, the extension piece, the second girder end and the rear girder reinforcing plate end form a 'loop'.
The first cross beam, the second cross beam, the rear floor cross beam and the rear girder reinforcing plate form a battery mounting area.
The rear girder is characterized in that the front end of the rear girder is outwards bent, and the bent part is overlapped with the two ends of the rear floor cross beam.
And two ends of the rear floor beam are Y-shaped fork openings.
And a swing arm mounting seat for mounting a swing arm is fixedly connected at the joint of the rear girder reinforcing plate and the rear floor cross beam.
The invention provides a force transmission frame which comprises a front beam, a rear beam, an extension piece, a first beam, a rear floor beam, two second beams, two front beams, two rear beam reinforcing plates and two rear beams, wherein the two front beams are arranged in parallel, one ends of the two front beams are respectively and fixedly connected with the left end and the right end of the front beam, the other ends of the two front beams are respectively and vertically fixedly connected with the two second beams, the first beam is arranged between the front beam and the second beam, two ends of the first beam are respectively and vertically and fixedly connected with the two front beams, the two rear beam reinforcing plates are respectively arranged on the two rear beams, one ends of the two rear beams are connected with the two rear beam reinforcing plates through the extension piece, the other ends of the two rear beams are vertically connected with the rear beams, and the two ends of the rear floor beam are respectively and vertically connected with the middle parts of the two rear beams. Therefore, according to the lap joint relation among all the components, when the external force is born, the external force born by one end cannot be directly transmitted to the other end, the external force transmitted to the other end needs to pass through a plurality of transmission routes, and most of the external force transmitted to the other end is dispersed, when the external force is born, the components mainly transmitting the external force cannot deform, the rear girder is provided with the rear girder reinforcing plate, the local strength of the rear girder reinforcing plate is higher when the rear girder is installed, and the rear girder reinforcing plate is arranged in a relatively larger stressed area of the whole automobile, so that the strength of the automobile body structure is further ensured by adding the rear girder reinforcing plate on the rear girder.
Drawings
FIG. 1 is a top view of the overall structure of a force-transmitting frame according to an embodiment of the present invention;
FIG. 2 is a side view of a force-transmitting frame according to an embodiment of the present invention;
FIG. 3 is a schematic view of a battery enclosure of a power transmission vehicle frame according to an embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of a force-transmitting frame according to an embodiment of the present invention;
FIG. 5 is a swing arm mounting side view of a force transmitting frame according to an embodiment of the invention;
fig. 6 is a rear view of a swing arm installation of a force transmission frame according to an embodiment of the present invention.
In the figure: 1: a front cross member; 2: a front girder; 3: an extension member; 4: a first cross beam; 5: a second cross beam; 6: a rear girder reinforcing plate; 7: a rear floor cross member; 8: a rear girder; 9: a rear cross member; 10: and a swing arm mounting seat.
Detailed Description
A detailed description of a force transmission frame according to the invention is provided below in connection with the accompanying drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1-6, the force transmission frame of the present invention comprises a front beam 1, a rear beam 9, an extension member 3, a first beam 4, a rear floor beam 7, two second beams 5, two front beams 2, two rear beam reinforcing plates 6 and two rear beams, wherein the two front beams 2 are arranged in parallel, one ends of the two front beams 2 are respectively and fixedly connected with the left end and the right end of the front beam 1, the other ends of the two front beams 2 are respectively and vertically fixedly connected with the two second beams 5, a first beam 4 is arranged between the front beam 1 and the second beam 5, the two ends of the first beam 4 are respectively and fixedly connected with the two front beams 2, the two rear beam reinforcing plates 6 are respectively arranged on the two rear beams, one ends of the two rear beams are connected with the two rear beam reinforcing plates 6 through the extension member 3, the other ends of the two rear beams are respectively and vertically connected with the rear beam 9, and the two rear floor beams 7 are respectively and vertically connected with the two ends of the two rear beams. Therefore, according to the lap joint relation among the components, when the external force is born, the external force born by one end cannot be directly transmitted to the other end, the external force transmitted to the other end needs to pass through a plurality of transmission routes, and most of the external force transmitted to the other end is dispersed, when the external force is born, the components mainly transmitting the external force cannot deform, the rear girder is provided with the rear girder reinforcing plate 6, the local strength of the rear girder on which the rear girder reinforcing plate 6 is installed is higher, and the rear girder reinforcing plate 6 is added on the rear girder because the position of the rear girder reinforcing plate 6 is a relatively larger stressed area of the whole automobile, so that the strength of the automobile body structure is further ensured.
As shown in fig. 1 to 6, a force transmission frame of the present invention may further be based on the technical scheme described above: and a through door opening is arranged at the threshold position of the rear girder reinforcing plate 6. Like this, when the automobile body received the striking, the intermediate position intensity of automobile body is weak relatively, deformation very easily takes place, the door position of general vehicle all sets up in the middle part of automobile body, in case the automobile body middle part takes place to warp, the door just hardly reopens, in emergency, very hold and take place danger, through set up the through-door opening in 6 threshold departments of back girder reinforcing plate, when the automobile body received external force, external force transfer to the automobile body middle part, when the through-door opening, the through-door opening takes place to warp in preference, the through-door opening is with the most external force that effectual dispersion received, reduce the threshold deflection in the collision process, improve the probability that the door was normally opened after the collision, compared with the advantage of prior art, moreover, the steam generator is simple in structure, and help the dispersion of threshold position atress.
The invention relates to a force transmission frame, as shown in fig. 1 to 6, which can be based on the technical proposal described above: the ends of the front girder 2, the extension piece 3, the second cross beam 5 and the rear girder reinforcing plate 6 form a 'loop'. Thus, in the event of a front end collision, the external force is transferred from the front cross beam 1 to the front cross beam 2, the front cross beam 2 distributes the external force to the extension member 3 and the first cross beam 4, and the external force of the extension member 3 portion is transferred between the front cross beam 2, the extension member 3, the second cross beam 5 and the rear cross beam reinforcement plate 6; when the side impact is applied, external force is transmitted to the extension piece 3, the second cross beam 5, the rear floor cross beam 7 and the rear cross beam by the rear cross beam reinforcing plate 6, one part of the external force of the extension piece 3 is transmitted in the same-side square structure, the other part of the external force is transmitted to the first cross beam 4, and the external force in the first cross beam 4 disperses the external force into the other square structure; when the rear end collides, the rear cross beam 9 transmits external force to the rear girder, and part of external force in the rear girder is transmitted to the rear girder reinforcing plate 6 by the structure lap joint relation, and the other part of external force is transmitted to the rear floor cross beam 7, and the external force of the rear girder reinforcing plate 6 part is continuously transmitted to the square structure, so that no matter which angle is impacted when collision happens, the received force is dispersed in the square structure, a plurality of paths are provided for frontal and side collision, effective buffering is obtained in the square structure, and compared with the prior art, the square structure has the advantages of more effectively dispersing impact force, greatly improving the structural stability and improving the safety.
The invention relates to a force transmission frame, as shown in fig. 1 to 6, which can be based on the technical proposal described above: the first cross member 4, the second cross member 5, the rear floor cross member 7, and the rear girder reinforcing plate 6 constitute a battery mounting area. Like this, according to the mechanism overlap joint relation, battery installation region is in the rear end of automobile body both sides shape structure that returns, when the automobile body received the striking, the structure that returns shape structure can be fine absorbs a large amount of impact, guarantee battery installation region's structural stability, moreover first crossbeam 4, second crossbeam 5, back floor crossbeam 7 and back girder reinforcing plate 6 constitute battery installation region, its space is great, increase the installation space of battery, increase the clearance that leaves the ground simultaneously, the battery sets up in its inside, when the collision takes place, even some parts of this part take place to warp, can not lead to the battery to destroy yet, for the advantage of prior art, form the node in battery installation region department, improve mounting point rigidity.
The invention relates to a force transmission frame, as shown in fig. 1 to 6, which can be based on the technical proposal described above: the front end of the rear girder is outwards bent, and the bent part is overlapped with the two ends of the rear floor cross beam 7. Like this, the structure of back girder is the outside crooked shape of front end, when being connected with rear floor crossbeam 7, both hookup location forms triangle-shaped structure, triangle-shaped has very strong structural stability, can increase local structural strength, when independent rear overhang does not have sub vehicle frame structure to install in this position, local intensity promotes greatly to when receiving external force striking, one direction atress, three direction dispersion external force, the external force that the more efficient dispersion automobile body received, the advantage for prior art is, not only promotes the local rigidity of frame, the external force that effectively disperses the automobile body to receive moreover.
The invention relates to a force transmission frame, as shown in fig. 1 to 6, which can be based on the technical proposal described above: the two ends of the rear floor beam 7 are Y-shaped fork openings. Like this, rear floor crossbeam 7 forms triangle-shaped structure with the rear girder junction, triangle-shaped has stronger structural stability to reinforcing rear floor crossbeam 7 and rear girder junction's intensity, because rear floor crossbeam 7 and rear girder junction are Y shape fork mouth, rear floor crossbeam 7 and rear girder junction's cross-sectional area is greater than rear floor crossbeam 7 middle part cross-sectional area far away, increase the welding area between rear floor crossbeam 7 and the rear girder, reinforcing rear floor crossbeam 7 and rear girder's local intensity, compared with the advantage of prior art, the structure is more stable, intensity is higher.
The invention relates to a force transmission frame, as shown in fig. 1 to 6, which can be based on the technical proposal described above: and a swing arm mounting seat 10 for mounting a swing arm is fixedly connected at the joint of the rear girder reinforcing plate 6 and the rear floor cross beam 7. Like this, because the structure of back girder is that the front end is outwards crooked, and the outside and the crooked position of back girder of back floor crossbeam 7Y shape fork mouth are connected, so the connected region of back floor crossbeam 7 and back girder hookup location is great, make things convenient for the installation of swing arm mount pad 10, and the structural strength of swing arm mount pad 10 installation region is higher, swing arm mount pad 10 constitutes triangle-shaped structure with back girder reinforcing plate 6 moreover, higher structural stability has, compared with the advantage of prior art, structural strength is higher, swing arm mount pad 10 installation is more convenient.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (5)
1. A force transmission frame, characterized in that: the two front girders are arranged in parallel, one end of each front girder is respectively and fixedly connected with the left end and the right end of the front girder, the other end of each front girder is respectively and vertically fixedly connected with the two second girders, a first crossbeam is arranged between the front girder and the second crossbeam, two ends of the first crossbeam are respectively and vertically fixedly connected with the two front girders, two rear girder reinforcing plates are respectively arranged on the two rear girders, one end of each rear girder is connected with the two rear girder reinforcing plates through the extending piece, the other ends of the two rear girders are vertically connected with the rear girders, and the two ends of the rear floor girder are respectively and vertically perpendicular to the middle parts of the two rear girders; the two ends of the rear floor beam are Y-shaped fork openings; and a swing arm mounting seat for mounting a swing arm is fixedly connected at the joint of the rear girder reinforcing plate and the rear floor cross beam.
2. A force transmitting frame as claimed in claim 1, wherein: and a through door opening is arranged at the threshold of the rear girder reinforcing plate.
3. A force transmitting frame as claimed in claim 1, wherein: the front girder end, the extension piece, the second girder end and the rear girder reinforcing plate end form a 'loop'.
4. A force transmitting frame as claimed in claim 1, wherein: the first cross beam, the second cross beam, the rear floor cross beam and the rear girder reinforcing plate form a battery mounting area.
5. A force transmitting frame according to any one of claims 1-4, wherein: the rear girder is characterized in that the front end of the rear girder is outwards bent, and the bent part is overlapped with the two ends of the rear floor cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351661.8A CN107416030B (en) | 2016-05-24 | 2016-05-24 | Force transmission frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610351661.8A CN107416030B (en) | 2016-05-24 | 2016-05-24 | Force transmission frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107416030A CN107416030A (en) | 2017-12-01 |
| CN107416030B true CN107416030B (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610351661.8A Active CN107416030B (en) | 2016-05-24 | 2016-05-24 | Force transmission frame |
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| Country | Link |
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| CN (1) | CN107416030B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7067291B2 (en) * | 2018-06-11 | 2022-05-16 | トヨタ自動車株式会社 | Rear structure of the vehicle |
| CN110753654B (en) * | 2018-12-05 | 2021-02-09 | 翼科株式会社 | Chassis for electric automobile and electric automobile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003081130A (en) * | 2001-09-13 | 2003-03-19 | Nissan Motor Co Ltd | Body structure of automobile |
| CN201136551Y (en) * | 2007-10-24 | 2008-10-22 | 重庆长安汽车股份有限公司 | Structure for strengthening side part of automobile |
| CN201400218Y (en) * | 2009-03-31 | 2010-02-10 | 比亚迪股份有限公司 | Vehicle chassis |
| CN103770847A (en) * | 2014-02-28 | 2014-05-07 | 奇瑞汽车股份有限公司 | Car body front floor strengthening structure |
| CN105035170A (en) * | 2015-07-31 | 2015-11-11 | 中国汽车工程研究院股份有限公司 | White car body horizontal-longitudinal beam anti-bending structure and arrangement method |
| CN205059737U (en) * | 2015-10-27 | 2016-03-02 | 东风汽车公司 | Bracket before full frame of vehicle chassis |
-
2016
- 2016-05-24 CN CN201610351661.8A patent/CN107416030B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003081130A (en) * | 2001-09-13 | 2003-03-19 | Nissan Motor Co Ltd | Body structure of automobile |
| CN201136551Y (en) * | 2007-10-24 | 2008-10-22 | 重庆长安汽车股份有限公司 | Structure for strengthening side part of automobile |
| CN201400218Y (en) * | 2009-03-31 | 2010-02-10 | 比亚迪股份有限公司 | Vehicle chassis |
| CN103770847A (en) * | 2014-02-28 | 2014-05-07 | 奇瑞汽车股份有限公司 | Car body front floor strengthening structure |
| CN105035170A (en) * | 2015-07-31 | 2015-11-11 | 中国汽车工程研究院股份有限公司 | White car body horizontal-longitudinal beam anti-bending structure and arrangement method |
| CN205059737U (en) * | 2015-10-27 | 2016-03-02 | 东风汽车公司 | Bracket before full frame of vehicle chassis |
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| Publication number | Publication date |
|---|---|
| CN107416030A (en) | 2017-12-01 |
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