CN108327791B - Nut assembly applied to auxiliary frame longitudinal beam - Google Patents
Nut assembly applied to auxiliary frame longitudinal beam Download PDFInfo
- Publication number
- CN108327791B CN108327791B CN201711496251.3A CN201711496251A CN108327791B CN 108327791 B CN108327791 B CN 108327791B CN 201711496251 A CN201711496251 A CN 201711496251A CN 108327791 B CN108327791 B CN 108327791B
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- China
- Prior art keywords
- plate
- welded
- nut
- threaded sleeve
- nut assembly
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- 230000001681 protective Effects 0.000 claims abstract description 22
- 230000003014 reinforcing Effects 0.000 claims abstract description 22
- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000001154 acute Effects 0.000 claims abstract description 5
- 241000681094 Zingel asper Species 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- 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
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
Abstract
The invention provides a nut assembly applied to a longitudinal beam of an auxiliary frame, wherein the periphery of a connecting plate is tightly welded with a protective cover plate, a certain space is formed inside the connecting plate, a reinforcing plate is welded at the inner side of the connecting plate, a supporting plate is welded with the reinforcing plate and abuts against the inner wall of the protective cover plate, a supporting surface between a welding surface and an abutting surface in the supporting plate and the reinforcing plate form a certain angle and are not in a right angle, a nut is arranged at the acute angle side of the supporting surface, and a positioning plate is welded on the supporting plate and wraps the nut; the support surface obtuse angle side is provided with a threaded sleeve, the threaded sleeve is a cylindrical sleeve, the stiffening plate is welded with the support plate and the threaded sleeve at the same time, the protective cover plate is provided with a through hole, the through hole is opposite to an inner hole of the threaded sleeve, and the connecting plate is a welding plate welded on the longitudinal beam. According to the invention, the nut and each functional plate are welded together through a certain structure to form a nut assembly single piece independent of the auxiliary frame longitudinal beam, and after accurate positioning, the single piece is welded on the auxiliary frame longitudinal beam, so that the problem of difficult screw hole cutting and positioning is solved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of automobile parts, in particular to a nut assembly applied to a longitudinal beam of an auxiliary frame.
[ background of the invention ]
The performance of the automobile chassis is mainly disclosed around two main topics of comfort and controllability. These two functions are a pair of contradictions between mutual constraints. In order to better accommodate the contradiction, a subframe component is introduced. The sub-frame is a bracket for supporting the front and rear axles and the suspension, and the axles and the suspension are connected with the vehicle body through the bracket. The engine is connected with sub vehicle frame through the suspension mechanism that sets up on sub vehicle frame, and sub vehicle frame links to each other with the automobile body, and the vibrations of engine are isolated through suspension mechanism's effect to a great extent reduces the vibrations that spread into in the automobile body, gives the driver and takes advantage of with good driving experience. Meanwhile, the auxiliary frame also improves the rigidity of suspension connection, so that the control performance of the vehicle is improved. Since the suspension is directly connected to the vehicle body before the subframe appears, the rocker arm mechanisms of the front and rear axles are separate parts and not integrated. After the subframe is produced, the front and rear suspensions may be assembled to the subframe to form an axle assembly, which is then mounted to the vehicle body.
For the plateaused today, such a design is of course of great benefit. Complex suspension systems are made from discrete parts into an assembly. The same suspension assembly can be mounted on different vehicle bodies. That is, the current suspension design is not like the past, and the suspension matched with the vehicle body needs to be developed, but the assembly can be directly installed, and only slight adjustment is needed to realize good matching. The vehicle axle of the assembly type can well reduce the cost and improve the technical utilization rate. The conventional auxiliary frame comprises a front cross beam assembly, a rear cross beam assembly, a left longitudinal beam assembly and a right longitudinal beam assembly. The invention is used for improving the longitudinal beam of the auxiliary frame. Sub vehicle frame longeron intensity is big, and screw excavation is difficult to guarantee the precision in process of production, and under the fixed prerequisite in longeron both ends, the precision error not only can bring the installation difficulty of installed part, still can lead to the long-term skew that has the power with the longeron of installed part to bring the burden to longeron structure or shape.
[ summary of the invention ]
In view of the technical difficulties, the invention provides a nut assembly applied to a longitudinal beam of an auxiliary frame, wherein nuts and all function plates are connected together through a certain structure and can displace in a small translational movement space formed by a positioning plate and a supporting plate to form a single nut assembly independent of the longitudinal beam of the auxiliary frame, and after accurate positioning, the single nut assembly is welded on the longitudinal beam of the auxiliary frame, so that the problem of difficult screw hole cutting and positioning is solved.
In order to achieve the technical effect, the invention adopts the following technical scheme:
a nut assembly applied to a longitudinal beam of an auxiliary frame comprises a connecting plate, a protective cover plate, a supporting plate, a stiffening plate, a threaded sleeve, a reinforcing plate, a nut and a positioning plate; the periphery of the connecting plate is tightly welded with the protective cover plate, a space with a certain size is formed inside the connecting plate, the reinforcing plate is welded on the inner side of the connecting plate, the supporting plate is welded with the reinforcing plate and abuts against the inner wall of the protective cover plate, a supporting surface between a welding surface and an abutting surface in the supporting plate and the reinforcing plate form a certain angle and are not in a right angle, the nut is arranged on the acute angle side of the supporting surface, the positioning plate is welded on the supporting plate and wraps the nut, and therefore the nut cannot rotate; the support surface obtuse angle side is provided with the threaded sleeve, the threaded sleeve is in a cylindrical sleeve shape, the axis of the threaded sleeve and the support surface form a non-zero angle, the stiffening plate is welded with the support plate and the threaded sleeve at the same time, the protective cover plate is provided with a through hole, the through hole is right aligned to an inner hole of the threaded sleeve, and the connecting plate is a welding plate welded on the longitudinal beam.
Preferably, the positioning plate and the supporting plate form an independent cavity, the nut is placed in the cavity, and a small space capable of moving in a translation mode is reserved.
Preferably, the connection plate is in a shape of 'J', one side of the protective cover plate is welded to the outer side of the tail of the 'J', and the opposite side of the protective cover plate is unfolded to be a plate parallel to the connection plate and is welded after being contacted with the connection plate. When this structure made the unilateral atress of protection apron, two directions always have suitable power to make the atress reasonable dispersion, avoid the solder joint to drop.
Preferably, the supporting plate is provided with a butt surface, the butt surface is in close contact with the inner wall of the protective cover plate in the same shape, and the welding surface is closely attached to the reinforcing plate. The welding end is used for stable structure, and the conflict end is free for the dispersion atress.
Preferably, the end of the reinforcing plate on the acute-angle side of the supporting surface is slightly tilted from the connecting plate. Used for dispersing stress.
Preferably, the welding arc of the positioning plate is not more than 180 degrees, and the other parts are free. Used for dispersing stress.
Preferably, the threaded sleeve is perpendicular to and abutted against the space between the protective cover plate and the support plate. A more stable and reliable structure.
Preferably, the stiffening plate is cylindrical and has a through hole on the bottom surface through which the threaded sleeve can pass, the bottom surface of the stiffening plate is welded to the threaded sleeve, and the other annular surface is welded to the support plate. A more stable and reliable structure.
Compared with the prior art, the invention has the beneficial effects that: 1, the nut assembly and the longitudinal beam are mutually independent, so that the positioning control precision of a screw hole after the longitudinal beam is formed is facilitated, and the structure of the longitudinal beam cannot be changed, so that extra burden is brought to the strength of the longitudinal beam; 2, the nut assembly is formed by welding a plurality of functional plates in a matching way, has an integrated structure, and not only has good strength, but also has good toughness; 3, the process structure is simple, and no more requirements are put on the longitudinal beam; 3. the nut can be displaced in a small translational movement space formed by the positioning plate and the supporting plate, and the damage to the nut assembly caused by bolt deviation can be reduced when the nut is stressed in a fixed direction for a long time.
[ description of the drawings ]
Fig. 1 is a schematic cross-sectional view of the present embodiment.
Reference numerals: 1, connecting plates; 2, protecting the cover plate; 3, a support plate; 4, stiffening plates; 5, a threaded sleeve; 6, reinforcing plates; 7, a nut; and 8, positioning the plate.
[ detailed description ] embodiments
The present invention will be further described with reference to the following specific examples.
Referring to fig. 1, a nut assembly applied to a subframe longitudinal beam comprises a connecting plate 1, a protective cover plate 2, a support plate 3, a stiffening plate 4, a threaded sleeve 5, a reinforcing plate 6, a nut 7 and a positioning plate 8; the periphery of the connection plate 1 is tightly welded with the protection cover plate 2, a space with a certain size is formed inside the connection plate 1, one side of the protection cover plate 2 is welded on the outer side of the J-shaped tail of the connection plate 1, the opposite side of the protection cover plate is unfolded into a plate parallel to the connection plate 1, and the connection plate 1 is welded after being contacted. The reinforcing plate 6 is welded at the inner side of the connecting plate 1, the supporting plate 3 is welded with the reinforcing plate 6 and is abutted to the inner wall of the protective cover plate 2, the abutting surface of the supporting plate 3 is in the same shape as the inner wall of the protective cover plate 2 and is in close contact with the inner wall of the protective cover plate, and the welding surface is tightly attached to the reinforcing plate 2. Lie in the holding surface between welding face and the conflict face in backup pad 3 and constitute certain angle and non-right angle with reinforcing plate 6, the holding surface acute angle side is equipped with nut 7, locating plate 8 welds on backup pad 3, and wraps up nut 7, makes the unable welding arc that rotates locating plate 8 of nut 7 be not more than 180, but other parts are free, but nut 7 can be at a little by the translation removal space displacement that locating plate 8 and backup pad 3 constitute. The end of the reinforcing plate 2 on the acute angle side of the support surface is slightly raised from the connector plate 1. The support surface obtuse angle side is provided with a threaded sleeve 5, the threaded sleeve 5 is in a cylindrical sleeve shape, the axis and the support surface form a non-zero angle, the stiffening plate 4 is welded with the support plate 3 and the threaded sleeve 5 at the same time, the protective cover plate 2 is provided with a through hole, and the through hole is right opposite to an inner hole of the threaded sleeve 5. The threaded sleeve 5 is vertical and abutted between the protective cover plate 2 and the supporting plate 3. The stiffening plate 4 is cylindrical and barrel-shaped, the bottom surface of the stiffening plate is provided with a through hole which can just allow the screw sleeve 5 to pass through, the barrel bottom surface of the stiffening plate 4 is welded with the screw sleeve 5, and the other ring surface is welded with the supporting plate 3. The connecting plate 1 is a welding plate welded on the longitudinal beam.
When the nut assembly mounting point is used, the accurate nut assembly mounting point is obtained through measurement on the total amount, and then the nut assembly mounting point is welded in the correct direction.
Compare in prior art, the beneficial effect of this embodiment lies in: 1, the nut assembly and the longitudinal beam are mutually independent, so that the positioning control precision of a screw hole after the longitudinal beam is formed is facilitated, and the structure of the longitudinal beam cannot be changed, so that extra burden is brought to the strength of the longitudinal beam; 2, the nut assembly is formed by welding a plurality of functional plates in a matching way, has an integrated structure, and not only has good strength, but also has good toughness; 3, the process structure is simple, and no more requirements are provided for the longitudinal beam.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a be applied to nut assembly on sub vehicle frame longeron which characterized in that: comprises a connecting plate (1), a protective cover plate (2), a support plate (3), a stiffening plate (4), a threaded sleeve (5), a reinforcing plate (6), a nut (7) and a positioning plate (8); the periphery of the connecting plate (1) is tightly welded with the protective cover plate (2), a space with a certain size is formed inside the connecting plate, the reinforcing plate (6) is welded on the inner side of the connecting plate (1), the supporting plate (3) is welded with the reinforcing plate (6) and abuts against the inner wall of the protective cover plate (2), a supporting surface between a welding surface and an abutting surface in the supporting plate (3) and the reinforcing plate (6) form a certain angle and a non-right angle, the nut (7) is arranged on the acute-angle side of the supporting surface, the positioning plate (8) is welded on the supporting plate (3) and wraps the nut (7), so that the nut (7) cannot rotate; the support surface obtuse angle side is provided with the threaded sleeve (5), the threaded sleeve (5) is a cylindrical sleeve, the axis of the threaded sleeve is in a non-zero angle with the support surface, the stiffening plate (4) is simultaneously welded with the support plate (3) and the threaded sleeve (5), a through hole is formed in the protective cover plate (2), the through hole is right aligned to an inner hole of the threaded sleeve (5), and the connecting plate (1) is a welding plate welded on the longitudinal beam.
2. The nut assembly for use with a subframe rail of claim 1, wherein: the positioning plate (8) and the supporting plate (3) form an independent cavity, the nut (7) is placed in the cavity, and a small space capable of moving in a translation mode is reserved.
3. The nut assembly for use with a subframe rail of claim 1, wherein: the connection plate (1) is J-shaped, one side of the protection cover plate (2) is welded to the outer side of the J-shaped tail of the connection plate (1), and the opposite side of the protection cover plate is unfolded to be a plate parallel to the connection plate (1) and is welded after being contacted with the connection plate (1).
4. The nut assembly for use with a subframe rail of claim 1, wherein: the conflict face of backup pad (3) with the same and the in close contact with of protection apron (2) inner wall shape, the face of weld with reinforcing plate (6) closely laminate.
5. The nut assembly for use with a subframe rail of claim 1, wherein: the end of the reinforcing plate (6) on the acute angle side of the supporting surface is slightly tilted from the connecting plate (1).
6. The nut assembly for use with a subframe rail of claim 1, wherein: the welding arc of the positioning plate (8) is not more than 180 degrees, and other parts are free.
7. The nut assembly for use with a subframe rail of claim 1, wherein: the threaded sleeve (5) is vertical to and abutted against the space between the protective cover plate (2) and the support plate (3).
8. The nut assembly for use with a subframe rail of claim 7, wherein: the stiffening plate (4) is cylindrical and provided with a through hole on the bottom surface through which the threaded sleeve (5) can pass, the bottom surface of the stiffening plate (4) is welded with the threaded sleeve (5), and the other ring surface is welded with the support plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496251.3A CN108327791B (en) | 2017-12-31 | 2017-12-31 | Nut assembly applied to auxiliary frame longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496251.3A CN108327791B (en) | 2017-12-31 | 2017-12-31 | Nut assembly applied to auxiliary frame longitudinal beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108327791A CN108327791A (en) | 2018-07-27 |
| CN108327791B true CN108327791B (en) | 2020-06-30 |
Family
ID=62924824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711496251.3A Active CN108327791B (en) | 2017-12-31 | 2017-12-31 | Nut assembly applied to auxiliary frame longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108327791B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2767750B1 (en) * | 1997-08-29 | 1999-10-08 | Peugeot | CONNECTION DEVICE FOR CONNECTING TO THE STRUCTURE OF A VEHICLE A CRADLE AND A SUSPENSION ARM |
| KR101795379B1 (en) * | 2012-12-10 | 2017-11-13 | 현대자동차 주식회사 | Mounting method of mounting nut for sub-frame in vehicles |
| CN203637945U (en) * | 2013-12-23 | 2014-06-11 | 重庆长安汽车股份有限公司 | Mounting positioning structure of auxiliary frame and longitudinal beam of vehicle |
| CN204937230U (en) * | 2015-07-28 | 2016-01-06 | 奇瑞汽车股份有限公司 | Fore sub frame attachment point structure |
| CN205769566U (en) * | 2016-05-27 | 2016-12-07 | 浙江吉利控股集团有限公司 | A kind of mount point structure of subframe |
-
2017
- 2017-12-31 CN CN201711496251.3A patent/CN108327791B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108327791A (en) | 2018-07-27 |
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