CN106347507A - Reinforcing plate structure of spare tire cabin capable of improving noise transfer function - Google Patents
Reinforcing plate structure of spare tire cabin capable of improving noise transfer function Download PDFInfo
- Publication number
- CN106347507A CN106347507A CN201611071939.2A CN201611071939A CN106347507A CN 106347507 A CN106347507 A CN 106347507A CN 201611071939 A CN201611071939 A CN 201611071939A CN 106347507 A CN106347507 A CN 106347507A
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- China
- Prior art keywords
- spare tyre
- reinforcing plate
- tyre cabin
- cabin
- crossbeam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 76
- 238000012546 transfer Methods 0.000 title claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000011161 development Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 108010066057 cabin-1 Proteins 0.000 description 18
- 238000010276 construction Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D43/00—Spare wheel stowing, holding, or mounting arrangements
- B62D43/06—Spare wheel stowing, holding, or mounting arrangements within the vehicle body
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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)
- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to the field of automobile assembly, in particular to a reinforcing plate structure of a spare tire cabin capable of improving a noise transfer function. The reinforcing plate structure comprises the spare tire cabin, rear vehicle frames and a vehicle frame cross beam, wherein the rear vehicle frames comprise a left rear vehicle frame and a right rear vehicle frame; the vehicle frame cross beam is respectively connected with the left rear vehicle frame and the right rear vehicle frame to form a spare tire framework; the edge of the spare tire cabin is connected with the spare tire framework; the spare tire cabin is provided with a rear reinforcing plate; the spare tire cabin also comprises a left reinforcing plate, a right reinforcing plate and a front reinforcing plate which are tightly attached to a profile of the spare tire cabin; the left reinforcing plate is arranged under the part, near the left rear vehicle frame, of the spare tire cabin, the right reinforcing plate is arranged under the part, near the right rear vehicle frame, of the spare tire cabin, and the front reinforcing plate is arranged under the part, near the vehicle frame cross beam, of the spare tire cabin. The reinforcing plate structure has the advantages that the strength of the whole structure is improved, the fracturing risk of parts is greatly decreased, and the rigidity of the spare tire cabin is improved; the reinforcing plate structure is simple, the forming is easy, and the development and maintenance cost of the die is reduced.
Description
Technical field
The present invention relates to automobile assembling field, strengthen hardened particularly to a kind of spare tyre cabin improving noise transfer function
Structure.
Background technology
Noise transfer function ntf is primarily referred to as the respective function relation between input stimulus load and output noise, is used for
The sensory characteristic to vibration sounding for the evaluation structure, is the principal element of impact car load nvh performance.Swashing whether from road surface
Encourage, or the excitation of electromotor, it is all finally that occupant is passed to by vehicle body, therefore, the structure of vehicle body is transferred to noise
Close important.Spare tyre cabin 61 is a main join domain between vehicle body and chassis, current one of which structure such as Fig. 1 and Tu
Structure one shown in 2.
Spare tyre size is larger, the thick 0.7mm of spare tyre cabin material, depth 230mm, and punch forming is easy to crack, therefore only designs rib
8mm, local 5mm, spare tyre cabin 61 crossbeam 64 and frame cross 62 only after border welding edge and left back crossbeam 63, the right side connect
Connect.
This structure has several drawbacks in that:
1) intensity difference;
2) rigidity is weak;
3) modal density is high, and local mode is many;
4) noise is big, nvh poor performance.
Also has at present another kind of structure, structure two as shown in Figure 3 and Figure 4.
Opposed configuration one, structure two has increased the crossbeam 65 of a t=1.2mm newly at spare tyre cabin 61 bottom, housing depth 20mm,
Two ends respectively with left and right after crossbeam overlap joint, improve rigidity of the vehicle and integral strength, but still suffer from following shortcoming:
1) local stiffness lifting in spare tyre cabin is inconspicuous;
2) modal density is high, and local mode's the weakest point is transferred to front end;
3) noise reduction is inconspicuous, and partial dot noise increases, and nvh performance is no improved;
4) reduce spare tyre cabin lowest surfaces, reduce car load by property;
5) crossbeam overlaps to crossbeam, have impact on exhaustor and installs;
6) crossbeam press depth 250mm, difficult molding;
7) crossbeam quality 1.8kg, part weight, high cost.
Content of the invention
The present invention provides a kind of spare tyre cabin reinforcing plate structure improving noise transfer function it is intended to solution spare tyre cabin structure is strong
The problem that degree is poor, rigidity is weak.
The present invention provides a kind of spare tyre cabin reinforcing plate structure improving noise transfer function, including spare tyre cabin, rear crossbeam, car
Frame crossbeam, described rear crossbeam includes left back crossbeam, crossbeam behind the right side, and crossbeam is even behind left back crossbeam, the right side for described frame cross
Connect composition spare tyre framework, the edge in described spare tyre cabin is connected on spare tyre framework, and described spare tyre cabin is provided with rear reinforcing plate, described standby
Tire cabin also includes being close to the left reinforcing plate in spare tyre cabin type face, right reinforcing plate, front reinforcing plate, and described left reinforcing plate is positioned close to a left side
Afterwards below the spare tyre cabin at crossbeam, described right reinforcing plate is positioned close to below the spare tyre cabin at crossbeam behind the right side, described front reinforcement
Plate is positioned close to below the spare tyre cabin at frame cross.
As a further improvement on the present invention, described spare tyre freight space concave groove type structure, described left reinforcing plate, right reinforcing plate,
Front reinforcing plate is equipped with rib, and described rib extends to bottom portion of groove from spare tyre cabin top, and described rib is in spare tyre bilge face shape
Become cavity.
As a further improvement on the present invention, described front reinforcing plate one end is connected with frame cross, and its other end is connected to
The bottom portion of groove in spare tyre cabin.
As a further improvement on the present invention, described spare tyre cabin includes spare tyre cabin ante-chamber, and described spare tyre cabin ante-chamber is front adding
The rib of strong plate and the cavity of spare tyre cabin formation, described spare tyre cabin ante-chamber connects bottom portion of groove and the vehicle frame horizontal stroke in spare tyre cabin respectively
Beam, described spare tyre cabin ante-chamber is the inclination cambered surface extending to spare tyre cabin bottom portion of groove from frame cross, and described front reinforcing plate connects
On spare tyre front-axle beam.
As a further improvement on the present invention, the extension depth of described rib is 10mm.
As a further improvement on the present invention, described spare tyre cabin also includes crossbeam fagging, and described crossbeam fagging is connected to standby
The junction of crossbeam after tire cabin right side edge and the right side.
As a further improvement on the present invention, described left reinforcing plate, right reinforcing plate, the thickness of front reinforcing plate are 0.8mm.
As a further improvement on the present invention, described rear crossbeam and the junction of frame cross are provided with suspension point.
The invention has the beneficial effects as follows: the present invention has been obviously improved the intensity of total, greatly reduces opening of part
Split risk, improve the rigidity in spare tyre cabin;Reinforcing plate structure does not affect other parts and installs, and nor affects on the car load property passed through, knot
The simple easy-formation of structure, reduces the development and maintenance cost of mould.
Brief description
Fig. 1 is the structural representation of prior art construction one of the present invention;
Fig. 2 is the structure a-a sectional view of prior art construction one of the present invention;
Fig. 3 is the structural representation of prior art construction two of the present invention;
Fig. 4 is the structure b-b sectional view of prior art construction two of the present invention;
Fig. 5 is the structural representation of the spare tyre cabin reinforcing plate structure that the present invention improves noise transfer function;
Fig. 6 is the structure c-c sectional view of the spare tyre cabin reinforcing plate structure that the present invention improves noise transfer function.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.
As shown in Figure 5 and Figure 6, a kind of improve noise transfer function spare tyre cabin reinforcing plate structure, including spare tyre cabin 1, after
Crossbeam, frame cross 2, rear crossbeam include left back crossbeam 31, the right side after crossbeam 32, frame cross 2 respectively at left back crossbeam 31, the right side after
Crossbeam 32 connects composition spare tyre framework, and the edge in spare tyre cabin 1 is connected on spare tyre framework, and spare tyre cabin 1 is provided with rear reinforcing plate 11, standby
Tire cabin 1 also includes being close to the left reinforcing plate 13 in spare tyre cabin type face, right reinforcing plate 14, front reinforcing plate 12, and left reinforcing plate 13 is arranged on
Below spare tyre cabin 1 at the left back crossbeam 31, right reinforcing plate 14 is positioned close to below the spare tyre cabin 1 at crossbeam 32 behind the right side,
Front reinforcing plate 12 is positioned close to below the spare tyre cabin 1 at frame cross 2.Left reinforcing plate 13, right reinforcing plate 14, front reinforcing plate 12
Thickness be 0.8mm.
Spare tyre cabin 1 is concave groove type structure, and left reinforcing plate 13, right reinforcing plate 14, front reinforcing plate 12 be equipped with rib, rib from
Spare tyre cabin 1 top extends to bottom portion of groove, and rib forms cavity in spare tyre cabin 1 bottom surface.The extension depth of rib is preferably 10mm.
Front reinforcing plate 12 one end is connected with frame cross 2, and its other end is connected to the bottom portion of groove in spare tyre cabin 1.Spare tyre cabin 1
Including spare tyre cabin ante-chamber 15, spare tyre cabin ante-chamber 15 is the rib of front reinforcing plate 12 and the cavity of spare tyre cabin 1 formation, spare tyre cabin ante-chamber
15 bottom portion of groove and the frame cross 2 connecting spare tyre cabin 1 respectively, spare tyre cabin ante-chamber 15 is to spare tyre cabin groove from frame cross 2
The inclination cambered surface that bottom extends, front reinforcing plate 12 is connected on spare tyre cabin ante-chamber 15.
Spare tyre cabin 1 also includes crossbeam fagging 5, and crossbeam fagging is connected to the connection of crossbeam behind spare tyre cabin right side edge and the right side
Place.
Crossbeam and the junction of frame cross 2 are provided with suspension point 4 afterwards.
As shown in Figure 5 and Figure 6, the present invention cancels crossbeam, is analyzed by cae, finds out the node big to Noise contribution,
On front side of the bottom of spare tyre cabin 1, left side and right side increase by three pieces of reinforcing plates, reinforcing plate thickness of slab 0.8mm, be close to spare tyre cabin type face, and design
There is the rib of 10mm depth, form cavity with the rib in spare tyre cabin.With crossbeam lap-joint on the right side of spare tyre cabin, increase a crossbeam newly
Fagging 4, makes spare tyre cabin 1 and crossbeam connect.
The node big to Noise contribution by finding out spare tyre cabin 1, in bottom surface, difference weakness zone increases reinforcing plate and support
Plate, effectively improves the strength and stiffness in spare tyre cabin, improves local mode, thus reducing in-car noise, lifts nvh
Energy.
The entirety of the present invention has the beneficial effect that
1) increase 3 reinforcing plates and 1 fagging newly, instead of spare tyre cabin crossbeam, be obviously improved the intensity of total, maximum should
Power reduces 120mpa, greatly reduces the cracking risk of part;
2) effectively increase the rigidity in spare tyre cabin;
3) large area improves the local mode in spare tyre cabin;
4) heel row noise generally reduces 3-5db, improves nvh performance;
5) reinforcing plate structure does not affect other parts installation, nor affects on car load and passes through property;
6) the simple easy-formation of reinforcing plate structure, reduces the development and maintenance cost of mould;
7) reinforcing plate and fagging gross mass 1.6kg, loss of weight 0.2kg, have saved cost of parts.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (8)
1. a kind of spare tyre cabin reinforcing plate structure improving noise transfer function, including spare tyre cabin (1), rear crossbeam, frame cross
(2), described rear crossbeam include left back crossbeam (31), the right side after crossbeam (32), described frame cross (2) is respectively at left back crossbeam
(31), behind the right side, crossbeam (32) connects composition spare tyre framework, and the edge of described spare tyre cabin (1) is connected on spare tyre framework, described standby
Tire cabin (1) is provided with rear reinforcing plate (11) it is characterised in that described spare tyre cabin (1) also includes being close to the left reinforcement in spare tyre cabin type face
Plate (13), right reinforcing plate (14), front reinforcing plate (12), described left reinforcing plate (13) is positioned close to the standby of left back crossbeam (31) place
Below tire cabin (1), described right reinforcing plate (14) is positioned close to below the spare tyre cabin (1) at crossbeam (32) place behind the right side, described front plus
Strong plate (12) is positioned close to below the spare tyre cabin (1) at frame cross (2) place.
2. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 1 it is characterised in that described spare tyre
Cabin (1) is concave groove type structure, and described left reinforcing plate (13), right reinforcing plate (14), front reinforcing plate (12) are equipped with rib, described muscle
Bar extends to bottom portion of groove from spare tyre cabin (1) top, and described rib forms cavity in spare tyre cabin (1) bottom surface.
3. according to claim 2 improve noise transfer function spare tyre cabin reinforcing plate structure it is characterised in that described front plus
Strong plate (12) one end is connected with frame cross (2), and its other end is connected to the bottom portion of groove of spare tyre cabin (1).
4. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 3 it is characterised in that described spare tyre
Cabin (1) includes spare tyre cabin ante-chamber (15), and described spare tyre cabin ante-chamber (15) is rib and spare tyre cabin (1) formation of front reinforcing plate (12)
Cavity, described spare tyre cabin ante-chamber (15) connects bottom portion of groove and the frame cross (2) in spare tyre cabin (1), described spare tyre cabin respectively
Ante-chamber (15) is the inclination cambered surface extending to spare tyre cabin bottom portion of groove from frame cross (2), and described front reinforcing plate (12) is connected to
On spare tyre cabin ante-chamber (15).
5. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 2 it is characterised in that described rib
Extension depth be 10mm.
6. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 1 it is characterised in that described spare tyre
Cabin (1) also includes crossbeam fagging (5), and described crossbeam fagging is connected to the junction of crossbeam behind spare tyre cabin right side edge and the right side.
7. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 1 it is characterised in that a described left side adds
Strong plate (13), right reinforcing plate (14), the thickness of front reinforcing plate (12) are 0.8mm.
8. improve the spare tyre cabin reinforcing plate structure of noise transfer function according to claim 1 it is characterised in that big after described
Beam is provided with suspension point (4) with the junction of frame cross (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611071939.2A CN106347507A (en) | 2016-11-29 | 2016-11-29 | Reinforcing plate structure of spare tire cabin capable of improving noise transfer function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611071939.2A CN106347507A (en) | 2016-11-29 | 2016-11-29 | Reinforcing plate structure of spare tire cabin capable of improving noise transfer function |
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Publication Number | Publication Date |
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CN106347507A true CN106347507A (en) | 2017-01-25 |
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CN201611071939.2A Pending CN106347507A (en) | 2016-11-29 | 2016-11-29 | Reinforcing plate structure of spare tire cabin capable of improving noise transfer function |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1749731A2 (en) * | 2005-08-03 | 2007-02-07 | Mazda Motor Corporation | Vehicle rear body structure of an automotive vehicle and mounting method therefor |
CN1944156A (en) * | 2005-10-05 | 2007-04-11 | 马自达汽车株式会社 | Lower structure of car body |
JP2009132169A (en) * | 2007-11-28 | 2009-06-18 | Honda Motor Co Ltd | Vehicle body rear part structure |
CN102785714A (en) * | 2012-07-18 | 2012-11-21 | 奇瑞汽车股份有限公司 | Reinforcing structure of saloon car rear floor spare wheel groove |
CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
CN206307159U (en) * | 2016-11-29 | 2017-07-07 | 上汽通用五菱汽车股份有限公司 | A kind of spare tyre cabin reinforcing plate structure for improving noise transfer function |
-
2016
- 2016-11-29 CN CN201611071939.2A patent/CN106347507A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1749731A2 (en) * | 2005-08-03 | 2007-02-07 | Mazda Motor Corporation | Vehicle rear body structure of an automotive vehicle and mounting method therefor |
CN1944156A (en) * | 2005-10-05 | 2007-04-11 | 马自达汽车株式会社 | Lower structure of car body |
JP2009132169A (en) * | 2007-11-28 | 2009-06-18 | Honda Motor Co Ltd | Vehicle body rear part structure |
CN102785714A (en) * | 2012-07-18 | 2012-11-21 | 奇瑞汽车股份有限公司 | Reinforcing structure of saloon car rear floor spare wheel groove |
CN105835966A (en) * | 2016-06-13 | 2016-08-10 | 奇瑞汽车股份有限公司 | Automobile spare tire installing structure |
CN206307159U (en) * | 2016-11-29 | 2017-07-07 | 上汽通用五菱汽车股份有限公司 | A kind of spare tyre cabin reinforcing plate structure for improving noise transfer function |
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Application publication date: 20170125 |