CN210310050U - Lower beam structure of automobile seat - Google Patents
Lower beam structure of automobile seat Download PDFInfo
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- CN210310050U CN210310050U CN201921230433.0U CN201921230433U CN210310050U CN 210310050 U CN210310050 U CN 210310050U CN 201921230433 U CN201921230433 U CN 201921230433U CN 210310050 U CN210310050 U CN 210310050U
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- automobile seat
- lower cross
- hole
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- beam structure
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Abstract
The utility model discloses a lower beam structure of an automobile seat, the cross section of a main body is in an inverted U shape, the left end and the right end of the main body are gradually expanded outwards, the end parts of the left side and the right side are respectively and symmetrically provided with a side plate laser welding surface, the surface of the main body is provided with a plurality of transverse reinforcing ribs, the top of the main body is provided with a plurality of wire harness through holes, the middle parts of the front side and the back side of the main body are provided with waist support connecting holes, the two ends are provided with a plastic guard hole I and a plastic guard hole III, a plastic guard hole II is arranged between the plastic guard hole I and the waist support connecting holes, the lower beam structure of the automobile seat is an integrated structure, the lower beam structure of the automobile seat adopts a high-strength plate as a main body material, the lower beam structure is integrally formed by integral stamping, the structure is simple, the performance is reliable, the structural rigidity and, the deformation of parts is little, and the joint quality is high, and the firm in connection nature is strong, long service life.
Description
Technical Field
The utility model relates to a car seat technical field especially relates to a car seat bottom end rail structure.
Background
The vibration of the seat directly affects the comfort of a driver and a passenger due to the direct contact of the automobile seat with the driver and the passenger, and the rigidity and the strength of the seat mounting structure are key factors affecting the seat mounting structure. The safety performance of the lower cross beam of the automobile seat, which is one of the main components of the automobile seat framework, directly affects the safety of the seat and the whole automobile. Therefore, the lower cross beam of the automobile seat is required to have high rigidity and strength so as to bear the influence of vibration or collision on the seat and avoid the seat from being damaged.
However, in the prior art, the lower cross beam of the automobile seat is a special-shaped piece, and CO is generally adopted among various parts forming the lower cross beam of the automobile seat2The welding is carried out by gas shielded welding, the welding of parts is more, the structure is complex, the rigidity and the strength are lower, the stability is poorer, the welding time is long, the process chain length is long, and CO is used2Gas shielded welding has a great impact on the environment. Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, and is mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type. Due to the unique advantages, the welding tool has been successfully applied to the precise welding of micro and small parts, but has not been applied to the installation of the lower cross beam of the automobile seat. In addition, the whole mass of car seat bottom end rail is great, and part weight is heavy, and it is more to consume the material, and manufacturing cost is higher, has improved space. Therefore, it is urgently needed to develop a novel lower cross beam structure of an automobile seat to solve the technical problems.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a car seat bottom end rail structure adopts the high strength board as main part material, whole punching press integrated into one piece, moreover, the steam generator is simple in structure, the dependable performance, structural rigidity and intensity are high, and stability is good, difficult emergence is warp after receiving too big external force striking, the security that the passenger took bus has been improved, and can satisfy the lightweight requirement of car, and adopt laser welding technology between the overlap joint part, the deformation of part is little, the joint quality is high, firm in connection nature is strong, long service life, wide application prospect has, and the steam generator is favorable to popularization and application.
In order to achieve the purpose, the utility model provides a lower beam structure of an automobile seat, which is characterized by comprising a main body, the cross section of the main body is in an inverted U shape, the left and right ends of the welding rod are gradually expanded outwards, the left end part of the welding rod is symmetrically provided with a first left side plate laser welding surface and a second left side plate laser welding surface in front and back, the front and the back of the right end part of the right side are symmetrically provided with a first right side plate laser welding surface and a second right side plate laser welding surface, the surface of the main body is provided with a plurality of transverse reinforcing ribs, the top of the main body is provided with a plurality of round wire harness through holes, the middle parts of the front side and the rear side of the main body are provided with round waist support connecting holes, two ends of the main body are provided with a round plastic protection plate hole I and a round plastic protection plate hole III, and a second oblong plastic guard plate hole is formed between the first plastic guard plate hole and the waist support connecting hole, and the lower cross beam structure of the automobile seat is of an integrally formed structure.
Preferably, the automobile seat lower cross beam structure is integrally formed by punching and pressing a high-strength plate, wherein the high-strength plate is HC420LA, and the thickness of the high-strength plate is 0.8 mm.
Preferably, the size of the waist support connecting hole is phi 6.5 mm.
Preferably, the sizes of the first plastic protection plate hole and the third plastic protection plate hole are phi 6.5 mm.
Preferably, the size of the plastic guard plate hole II is 15.2mm by 8.2 mm.
Preferably, the number of the wire harness through holes is four, and the wire harness through holes are all phi 8.0mm in size.
Preferably, the flatness of the laser welding surface of the first left side plate and the laser welding surface of the second left side plate is 0.2mm, and the profile degree is 0.6 mm.
Preferably, the flatness of the laser welding surface of the first right side plate and the laser welding surface of the second right side plate is 0.3mm, and the profile degree is 0.6 mm.
The utility model provides a pair of car seat bottom end rail structure has following beneficial effect.
1. The utility model discloses choose the high strength board that trade mark is HC420LA for use, material thickness is only 0.8mm, and thickness is thin, and the quality is light. The integral stamping and forming structure has the advantages of simple structure, reliable performance, high structural rigidity and strength and good stability, and is not easy to deform after being impacted by overlarge external force, thereby improving the safety of passengers during riding.
2. The utility model discloses the left and right sides tip of main part is the symmetry respectively and is equipped with curb plate laser-beam welded face, and adopts laser welding technology between the overlap joint part, and the deformation of part is little, and the joint quality is high, and firm in connection nature is strong, long service life.
3. The utility model discloses the surface of main part is equipped with a plurality of horizontal strengthening ribs, and the setting of horizontal strengthening rib can improve the overall structure intensity of car seat bottom end rail structure, prolongs its life.
Drawings
Fig. 1 is the utility model provides a pair of car seat bottom end rail structure's schematic structure diagram.
In the figure:
1. the main body 2, the left side end 3, the right side end 4, the waist support connecting hole 5, the plastic protection plate hole I6, the plastic protection plate hole II 7, the plastic protection plate hole III 8, the wire harness through hole 9, the transverse reinforcing rib 10, the first left side plate laser welding surface 11, the second left side plate laser welding surface 12, the first right side plate laser welding surface 13 and the second right side plate laser welding surface.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings to facilitate understanding of the present invention.
As shown in fig. 1, the present invention provides a schematic structural diagram of a lower cross beam structure of an automobile seat. This car seat bottom end rail structure includes main part 1, the transversal type of falling U of personally submitting of main part 1, both ends outwards expand gradually about it, and the symmetry is equipped with first left side board laser welding face 10 and second left side board laser welding face 11 around its left side tip 2, and the symmetry is equipped with first right side board laser welding face 12 and second right side board laser welding face 13 around its right side tip 3, the surface of main part 1 is equipped with a plurality of horizontal strengthening ribs 9, the top of main part 1 is equipped with a plurality of circular shape pencil via holes 8, both sides middle part is equipped with circular shape waist support connecting hole 4 around main part 1, and both ends are equipped with circular shape plastics shield hole one 5 and plastics shield hole three 7, be equipped with long circle's plastics shield hole two 6 between plastics shield hole one 5 and the waist support connecting hole 4, car seat bottom end rail structure is the integrated into one piece structure.
Preferably, the automobile seat lower cross beam structure is integrally formed by punching and pressing a high-strength plate, wherein the high-strength plate is HC420LA, and the thickness of the high-strength plate is 0.8 mm. The size of the waist support connecting hole 4 is phi 6.5 mm. The sizes of the first plastic protection plate hole 5 and the third plastic protection plate hole 7 are phi 6.5 mm. The size of the plastic guard plate hole II 6 is 15.2mm by 8.2 mm. The number of the wire harness through holes 8 is four, and the wire harness through holes are all phi 8.0mm in size. The flatness of the first left side plate laser welding surface 10 and the second left side plate laser welding surface 11 is 0.2mm, and the profile tolerance is 0.6 mm. The flatness of the first right side plate laser welding surface 12 and the second right side plate laser welding surface 13 is 0.3mm, and the profile tolerance is 0.6 mm.
The utility model discloses choose the high strength board that trade mark is HC420LA for use, material thickness is only 0.8mm, and thickness is thin, and the quality is light. The integral stamping and forming structure has the advantages of simple structure, reliable performance, high structural rigidity and strength and good stability, and is not easy to deform after being impacted by overlarge external force, thereby improving the safety of passengers during riding. Left side tip 2 and right side tip 3 of main part 1 are the symmetry respectively and are equipped with curb plate laser welding face, and adopt laser welding process between the overlap joint part, and the deformation of part is little, and the joint quality is high, and firm in connection nature is strong, long service life. The surface of main part 1 is equipped with a plurality of horizontal strengthening ribs 9, and the setting of horizontal strengthening rib 9 can improve the overall structure intensity of car seat bottom end rail structure, prolongs its life.
The present invention has been described in detail with reference to specific embodiments, and the description of the embodiments is only for the purpose of helping understanding the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a car seat bottom end rail structure, a serial communication port, comprising a main body, the transversal type of falling U of personally submitting of main part about it both ends outwards expand gradually, and the symmetry is equipped with first left side board laser welding face and second left side board laser welding face around its left side tip, and the symmetry is equipped with first right side board laser welding face and second right side board laser welding face around its right side tip, the surface of main part is equipped with a plurality of horizontal strengthening ribs, the top of main part is equipped with a plurality of circular shape pencil via holes, both sides middle part is equipped with circular shape waist support connecting hole around the main part, and both ends are equipped with circular shape plastics shield hole one and plastics shield hole three, plastics shield hole one and waist support and be equipped with the plastic shield hole two of long circle between the connecting hole, car seat bottom end rail structure is the integrated into one piece structure.
2. The lower cross member structure of the automobile seat as claimed in claim 1, wherein the lower cross member structure of the automobile seat is integrally formed by punching a high-strength plate, and the high-strength plate has a designation HC420LA and a thickness of 0.8 mm.
3. The lower cross beam structure of the automobile seat according to claim 1 or 2, wherein the size of the lumbar support connection hole is Φ 6.5 mm.
4. The lower cross beam structure of the automobile seat is characterized in that the sizes of the first plastic protection plate hole and the third plastic protection plate hole are phi 6.5 mm.
5. The lower cross beam structure of the automobile seat is characterized in that the size of the plastic guard plate hole II is 15.2mm by 8.2 mm.
6. The lower cross beam structure of the automobile seat is characterized in that the number of the wire harness through holes is four, and the wire harness through holes are all phi 8.0mm in size.
7. The lower cross member structure of automobile seats of claim 6, wherein the laser welded surfaces of the first and second left side plates have a flatness of 0.2mm and a profile of 0.6 mm.
8. The lower cross member structure of the automobile seat according to claim 7, wherein the laser welded surfaces of the first and second right side plates have a flatness of 0.3mm and a profile of 0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230433.0U CN210310050U (en) | 2019-07-31 | 2019-07-31 | Lower beam structure of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230433.0U CN210310050U (en) | 2019-07-31 | 2019-07-31 | Lower beam structure of automobile seat |
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| Publication Number | Publication Date |
|---|---|
| CN210310050U true CN210310050U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921230433.0U Active CN210310050U (en) | 2019-07-31 | 2019-07-31 | Lower beam structure of automobile seat |
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| CN (1) | CN210310050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879411A (en) * | 2021-10-18 | 2022-01-04 | 岚图汽车科技有限公司 | Electric automobile seat crossbeam structure |
-
2019
- 2019-07-31 CN CN201921230433.0U patent/CN210310050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879411A (en) * | 2021-10-18 | 2022-01-04 | 岚图汽车科技有限公司 | Electric automobile seat crossbeam structure |
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