CN214057236U - Transmission shaft suspension mounting connection plate assembly - Google Patents
Transmission shaft suspension mounting connection plate assembly Download PDFInfo
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- CN214057236U CN214057236U CN202023016092.2U CN202023016092U CN214057236U CN 214057236 U CN214057236 U CN 214057236U CN 202023016092 U CN202023016092 U CN 202023016092U CN 214057236 U CN214057236 U CN 214057236U
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- transmission shaft
- middle section
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- connecting piece
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Abstract
The utility model discloses a transmission shaft suspension erection joint board assembly, including left longeron middle section back connecting plate, right longeron middle section back connecting plate, two rows of seat installation crossbeams, left back floor front beam connecting piece, right back floor front beam connecting piece, left transmission shaft suspension erection joint board, right transmission shaft suspension erection joint board, left transmission shaft mounting panel, right transmission shaft mounting panel and well passageway reinforcing plate back end. The utility model discloses add the mode that the spot welding connection combined together through bolted connection between each spare part and connect, the location when both having guaranteed the assembly is accurate, has reached the integral rigidity requirement again, effectively promotes the mode and the dynamic stiffness of suspension installing point department, and well passageway reinforcing plate back end both sides design has the cavity characteristic of bellied roof beam class, can further promote its mode and dynamic stiffness.
Description
Technical Field
The utility model relates to an automobile parts technical field, concretely relates to transmission shaft suspension erection joint board assembly.
Background
The transmission shaft of a front-engine rear-drive vehicle is generally long, a transmission shaft suspension mounting point needs to be arranged in the middle, the mounting point needs to ensure that the modal and dynamic stiffness meet corresponding target requirements, and otherwise, the problems of large vibration and noise are caused in the rotation process of the transmission shaft.
In the prior art, the transmission shaft suspension mounting point is arranged in the middle of the vehicle body and is far away from the middle sections of the left longitudinal beam and the right longitudinal beam, so that the local modal and dynamic stiffness value of the mounting point are low, and the problems of large vibration and noise are easily caused.
Therefore, in order to solve the above problems, a transmission shaft suspension mounting connection plate assembly is needed, which can improve the integration level of parts, reduce the assembly difficulty, improve the local mode and dynamic stiffness of a transmission shaft mounting point, reduce noise and vibration, ensure better transmission of a front-mounted and rear-driven vehicle, and improve the riding comfort.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing transmission shaft suspension erection joint board assembly, can improve the integrated level of spare part, reduce the assembly degree of difficulty, improve the local mode of transmission shaft mounting point and dynamic stiffness, noise reduction and vibration guarantee the better transmission of preceding rear-drive car, improve the travelling comfort by bus.
The utility model discloses a transmission shaft suspension mounting connecting plate assembly, including left longeron middle section rear connecting plate, right longeron middle section rear connecting plate, two rows of seat installation crossbeams, left back floor front beam connecting piece, right back floor front beam connecting piece, left transmission shaft suspension mounting connecting plate, right transmission shaft suspension mounting connecting plate, left transmission shaft mounting panel, right transmission shaft mounting panel and well passageway reinforcing plate rear section, left longeron middle section rear connecting plate, two rows of seat installation crossbeams and right longeron middle section rear connecting plate connect gradually and form first atress roof beam, and two rows of seat installation crossbeams and well passageway reinforcing plate rear section rear side fixed connection, left longeron middle section rear connecting plate and left longeron middle section fixed connection, right longeron middle section rear connecting plate and right longeron middle section fixed connection, first atress roof beam does well passageway reinforcing plate rear section provides the holding power, the two rows of seat mounting cross beams and the longitudinal beam middle section rear connecting plate (left/right) form a complete cross beam (first stress beam) through spot welding, and are in lap joint with the longitudinal beam middle section (left/right), so that the modal and dynamic stiffness of the mounting points are improved, the two sides of the middle channel reinforcing plate rear section are designed with the cavity characteristics of the convex beams, the modal and dynamic stiffness of the middle channel reinforcing plate rear section can be further improved, the whole transmission shaft suspension mounting assembly is connected through spot welding and bolt connection by 10 parts, lap joint is formed with the floor and the longitudinal beam middle section side, and sufficient modal and dynamic stiffness are ensured.
Furthermore, left back floor front beam connecting piece is connected with left transmission shaft suspension erection joint board and is formed the second atress roof beam, left back floor front beam connecting piece and left longeron middle section fixed connection, left side transmission shaft suspension erection joint board just with well passageway reinforcing plate back end fixed connection left side transmission shaft mounting panel sets up in the cavity that forms between left transmission shaft suspension erection joint board and the well passageway reinforcing plate back end, the second atress roof beam does well passageway reinforcing plate back end provides the holding power, and left back floor front beam connecting piece is connected with left transmission shaft suspension erection joint board and is formed left side atress roof beam (second atress roof beam) and overlap joint with left longeron middle section, has promoted the mode and the dynamic stiffness of erection point department.
Further, right back floor front beam connecting piece is connected with right transmission shaft suspension erection joint board and is formed the third atress roof beam, right back floor front beam connecting piece and right longeron middle section fixed connection, right transmission shaft suspension erection joint board and well passageway reinforcing plate back end fixed connection just right transmission shaft mounting panel sets up in the cavity that forms between right transmission shaft suspension erection joint board and well passageway reinforcing plate back end, the third atress roof beam does well passageway reinforcing plate back end provides the holding power, and right back floor front beam connecting piece is connected with right transmission shaft suspension erection joint board and is formed right side atress roof beam (third atress roof beam) and overlap joint with right longeron middle section, promotes the mode and the dynamic stiffness of erection point department.
Furthermore, the second stress beam and the third stress beam are positioned on the same straight line, and the symmetrical stress beams also ensure more balanced stress and more stable stress.
Further, the opening of the lap joint of the left longitudinal beam middle section rear connecting plate and the left longitudinal beam middle section is gradually increased, the opening of the lap joint of the right longitudinal beam middle section rear connecting plate and the right longitudinal beam middle section is gradually increased, a structural form of a horn mouth is formed, the lap joint area with the longitudinal beam middle section is increased, and therefore the mode and the dynamic rigidity of the suspension mounting point are further improved.
Furthermore, the opening of the lap joint of the left rear floor front beam connecting piece and the left longitudinal beam middle section is gradually increased, the opening of the lap joint of the right rear floor front beam connecting piece and the right longitudinal beam middle section is gradually increased to form a structural form of a horn mouth, and the lap joint area of the left rear floor front beam connecting piece and the longitudinal beam middle section is increased, so that the mode and the dynamic rigidity of the suspension mounting point are further improved.
Further, adopt bolted connection and spot welding to be connected the mode that combines together between left back floor front beam connecting piece and the left transmission shaft suspension erection joint board and be connected, left transmission shaft suspension erection joint board and left transmission shaft mounting panel are connected and form the left side suspension mounting point of transmission shaft through bolted connection and spot welding connection mode that combines together, and bolted connection can guarantee mutual location between each part well, and spot welding connects the stability of further strengthening the connection, improves connection rigidity, further promotes the mode and the dynamic stiffness of suspension mounting point department.
Further, adopt bolted connection and spot welding to be connected the mode that combines together between right back floor front beam connecting piece and the right transmission shaft suspension erection joint board and be connected, right transmission shaft suspension erection joint board and right transmission shaft mounting panel are connected and form the right side suspension mounting point of transmission shaft through bolted connection and spot welding connection mode that combines together, and bolted connection can guarantee mutual location between each part well, and spot welding connects the stability of further strengthening the connection, improves connection rigidity, further promotes the mode and the dynamic stiffness of suspension mounting point department.
Furthermore, the left side suspension mounting point and the right side suspension mounting point are symmetrically arranged, so that assembly and mold design are facilitated.
The utility model has the advantages that: the utility model discloses a transmission shaft suspension erection joint board assembly, the mode that combines together through bolted connection with the spot welding between each spare part is connected, the location when both having guaranteed the assembly is accurate, the integral rigidity requirement has been reached again, effectively promote the mode and the dynamic stiffness of suspension mounting point department, well passageway reinforcing plate back end both sides design has the cavity characteristic of bellied roof beam class, can further promote its mode and dynamic stiffness, longeron middle section back connection board designs into the structural style of "horn mouth" with rear floor front beam connecting piece, the overlap joint area with longeron middle section has been increased, the mode and the dynamic stiffness of suspension mounting point department have also been promoted.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention when it is lapped with the middle section of the longitudinal beam;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is an exploded view of fig. 2.
Detailed Description
FIG. 1 is a schematic structural view of the present invention when it is lapped with a middle section of a longitudinal beam, FIG. 2 is a schematic structural view of the present invention, FIG. 3 is an exploded view of FIG. 2, as shown, the transmission shaft suspension mounting connecting plate assembly in this embodiment comprises a left longitudinal beam middle section rear connecting plate 1a, a right longitudinal beam middle section rear connecting plate 1b, two rows of seat mounting cross beams 2, a left rear floor front cross beam connecting member 3a, a right rear floor front cross beam connecting member 3b, a left transmission shaft suspension mounting connecting plate 4a, a right transmission shaft suspension mounting connecting plate 4b, a left transmission shaft mounting plate 5a, a right transmission shaft mounting plate 5b and a middle channel reinforcing plate rear section 6, the left longitudinal beam middle section rear connecting plate 1a, the two rows of seat mounting cross beams 2 and the right longitudinal beam middle section rear connecting plate 1b are sequentially connected to form a first stressed beam, and the two rows of seat mounting cross beams 2 are fixedly connected with the rear side of the middle channel reinforcing plate rear section 6, left side longeron middle section back connecting plate 1a and left longeron middle section 7a fixed connection, right side longeron middle section back connecting plate 1b and right longeron middle section 7b fixed connection, first atress roof beam does well passageway reinforcing plate back-end 6 provides the holding power, and two rows of seat installation crossbeams 2 and longeron middle section back connecting plate (left/right) form a complete crossbeam (first atress roof beam) through spot welding to overlap joint with longeron middle section (left/right), promoted the mode and the dynamic stiffness of erection point department, 6 both sides designs of well passageway reinforcing plate back-end have the cavity characteristic of bellied roof beam class, can further promote its mode and dynamic stiffness, and whole transmission shaft suspension installation assembly is connected through spot welding and bolted connection's form by 10 parts, forms the overlap joint with floor and longeron middle section side, has ensured sufficient mode and dynamic stiffness.
In this embodiment, left back floor front beam connecting piece 3a is connected with left transmission shaft suspension mounting connecting plate 4a and forms second atress roof beam, left back floor front beam connecting piece 3a and left longeron middle section 7a fixed connection, left transmission shaft suspension mounting connecting plate 4a and well passageway reinforcing plate rear section 6 fixed connection just left transmission shaft mounting panel 5a sets up in the cavity that forms between left transmission shaft suspension mounting connecting plate 4a and well passageway reinforcing plate rear section 6, the second atress roof beam is for well passageway reinforcing plate rear section 6 provides the holding power, and left back floor front beam connecting piece 3a is connected with left transmission shaft suspension mounting connecting plate 4a and forms left side atress roof beam (second atress roof beam) and overlap joint with left longeron 7a, has promoted the mode and the dynamic stiffness of erection point department.
In this embodiment, the right rear floor front beam connecting member 3b and the right transmission shaft suspension mounting connecting plate 4b are connected to form a third stressed beam, the right rear floor front beam connecting member 3b and the right longitudinal beam middle section 7b are fixedly connected, the right transmission shaft suspension mounting connecting plate 4b and the middle channel reinforcing plate rear section 6 are fixedly connected, the right transmission shaft mounting plate 5b is arranged in a cavity formed between the right transmission shaft suspension mounting connecting plate 4b and the middle channel reinforcing plate rear section 6, the third stressed beam provides a supporting force for the middle channel reinforcing plate rear section 6, the right rear floor front beam connecting member 3b and the right transmission shaft suspension mounting connecting plate 4b are connected to form a right stressed beam (third stressed beam) and are overlapped with the right longitudinal beam middle section 7b, and the modal and dynamic stiffness at the mounting point are improved.
In this embodiment, the second stressed beam and the third stressed beam are located on the same straight line, and the symmetrical stressed beams are arranged to ensure more balanced stress and more stable stress.
In this embodiment, connecting plate 1a and left longeron middle section 7a overlap joint opening crescent behind the left longeron middle section, connecting plate 1b and right longeron middle section 7b overlap joint opening crescent behind the right longeron middle section form "horn mouth" structural style, increased with the overlap joint area in longeron middle section to further promote the mode and the dynamic stiffness of suspension installing point department.
In this embodiment, left back floor front beam connecting piece 3a and left longeron middle section 7a overlap joint opening crescent, right back floor front beam connecting piece 3b and right longeron middle section 7b overlap joint opening crescent, forms the structural style of "horn mouth", has increased the overlap joint area with the longeron middle section to further promote the mode and the dynamic stiffness of suspension installing point department.
In this embodiment, adopt bolted connection and spot welding to be connected the mode that combines together between left back floor front beam connecting piece 3a and the left transmission shaft suspension erection joint plate 4a and be connected, left transmission shaft suspension erection joint plate 4a and left transmission shaft mounting panel 5a are connected and form the left side suspension mounting point of transmission shaft through the mode that bolted connection and spot welding combine together, bolted connection can guarantee mutual location between each part well, spot welding connects the stability of further strengthening the connection, improve connection rigidity, further promote the mode and the dynamic stiffness of suspension mounting point department.
In this embodiment, adopt bolted connection and spot welding to be connected the mode that combines together between right back floor front beam connecting piece 3b and the right transmission shaft suspension erection joint plate 4b and be connected, right transmission shaft suspension erection joint plate 4b and right transmission shaft mounting panel 5b are connected and form the right side suspension mounting point of transmission shaft through the mode that bolted connection and spot welding combine together, bolted connection can guarantee mutual location between each part well, spot welding connects the stability of further strengthening the connection, improve connection rigidity, further promote the mode and the dynamic rigidity of suspension mounting point department.
In this embodiment, the left side suspension mounting point and the right side suspension mounting point are symmetrically arranged, which is convenient for assembly and mold design.
The utility model discloses a transmission shaft suspension erection joint board assembly, the mode that adds the spot welding and connect and combine together through bolted connection between each spare part is connected, the location when both having guaranteed the assembly is accurate, the integral rigidity requirement has been reached again, effectively promote the mode and the dynamic stiffness of suspension erection point department, 6 both sides designs of well passageway reinforcing plate back end have the cavity characteristic of bellied roof beam class, can further promote its mode and dynamic stiffness, longeron middle section back connection board and back floor front beam connecting piece design into the structural style of "horn mouth", the overlap joint area with longeron middle section has been increased, the mode and the dynamic stiffness of suspension erection point department have also been promoted.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a transmission shaft suspension installation connecting plate assembly which characterized in that: including left longeron middle section rear junction plate, right longeron middle section rear junction plate, two rows of seat installation crossbeam, left back floor front beam connecting piece, right back floor front beam connecting piece, left transmission shaft suspension erection joint board, right transmission shaft suspension erection joint board, left transmission shaft mounting panel, right transmission shaft mounting panel and well passageway reinforcing plate rear section, left longeron middle section rear junction plate, two rows of seat installation crossbeam and right longeron middle section rear junction plate connect gradually and form first atress roof beam, just two rows of seat installation crossbeam and well passageway reinforcing plate rear section rear side fixed connection, left longeron middle section rear junction plate and left longeron middle section fixed connection, right longeron middle section rear connection and right longeron middle section fixed connection, first atress roof beam does well passageway reinforcing plate rear section provides the holding power.
2. The driveshaft suspension mounting connection plate assembly of claim 1, wherein: left side back floor front beam connecting piece is connected with left transmission shaft suspension erection joint board and is formed second atress roof beam, left side back floor front beam connecting piece and left longeron middle section fixed connection, left side transmission shaft suspension erection joint board just with well passageway reinforcing plate back end fixed connection left side transmission shaft mounting panel sets up in the cavity that forms between left transmission shaft suspension erection joint board and the well passageway reinforcing plate back end, second atress roof beam does well passageway reinforcing plate back end provides the holding power.
3. The driveshaft suspension mounting connection plate assembly of claim 2, wherein: the right rear floor front beam connecting piece is connected with the right transmission shaft suspension mounting connecting plate to form a third stress beam, the right rear floor front beam connecting piece is fixedly connected with the middle section of the right longitudinal beam, the right transmission shaft suspension mounting connecting plate is fixedly connected with the rear section of the middle channel reinforcing plate, the right transmission shaft mounting plate is arranged in a cavity formed between the right transmission shaft suspension mounting connecting plate and the rear section of the middle channel reinforcing plate, and the third stress beam provides supporting force for the rear section of the middle channel reinforcing plate.
4. The driveshaft suspension mounting connection plate assembly of claim 3, wherein: the second stress beam and the third stress beam are positioned on the same straight line.
5. The driveshaft suspension mounting connection plate assembly of claim 4, wherein: the opening of the lap joint of the left longitudinal beam middle section rear connecting plate and the left longitudinal beam middle section is gradually increased, and the opening of the lap joint of the right longitudinal beam middle section rear connecting plate and the right longitudinal beam middle section is gradually increased.
6. The driveshaft suspension mounting connection plate assembly of claim 5, wherein: the opening of the lap joint of the left rear floor front beam connecting piece and the left longitudinal beam middle section is gradually increased, and the opening of the lap joint of the right rear floor front beam connecting piece and the right longitudinal beam middle section is gradually increased.
7. The driveshaft suspension mounting connection plate assembly of claim 6, wherein: adopt bolted connection and spot welding to be connected the mode that combines together between left back floor front beam connecting piece and the left transmission shaft suspension erection joint board and be connected and form the left side suspension mounting point of transmission shaft through bolted connection and spot welding connection mode that combines together.
8. The driveshaft suspension mounting connection plate assembly of claim 7, wherein: adopt bolted connection and spot welding to be connected the mode that combines together between right back floor front beam connecting piece and the right transmission shaft suspension erection joint board and be connected and form the right side suspension mounting point of transmission shaft through bolted connection and spot welding connection mode that combines together right transmission shaft suspension erection joint board and right transmission shaft mounting panel.
9. The driveshaft suspension mounting connection plate assembly of claim 8, wherein: the left side suspension mounting point and the right side suspension mounting point are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016092.2U CN214057236U (en) | 2020-12-14 | 2020-12-14 | Transmission shaft suspension mounting connection plate assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023016092.2U CN214057236U (en) | 2020-12-14 | 2020-12-14 | Transmission shaft suspension mounting connection plate assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214057236U true CN214057236U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023016092.2U Active CN214057236U (en) | 2020-12-14 | 2020-12-14 | Transmission shaft suspension mounting connection plate assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214057236U (en) |
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2020
- 2020-12-14 CN CN202023016092.2U patent/CN214057236U/en active Active
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