CN215513867U - Leaf spring mounting structure and vehicle - Google Patents
Leaf spring mounting structure and vehicle Download PDFInfo
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- CN215513867U CN215513867U CN202121434538.5U CN202121434538U CN215513867U CN 215513867 U CN215513867 U CN 215513867U CN 202121434538 U CN202121434538 U CN 202121434538U CN 215513867 U CN215513867 U CN 215513867U
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Abstract
The utility model provides a steel plate spring mounting structure and a vehicle, belonging to the technical field of automobiles. The installation planking encloses with the installation inner panel and establishes into tubular construction, and tubular construction upper end is connected at the longeron lower surface. The inner cavity of the cylinder structure is provided with a reinforcing plate which is respectively connected with the installation outer plate and the installation inner plate. The reinforcing plate is positioned in the middle of the inner cavity of the cylindrical structure, so that the inner cavity of the cylindrical structure is divided into an upper part and a lower part, wherein the upper cavity is enclosed into a closed box-shaped structure by the reinforcing plate, the mounting outer plate, the mounting inner plate and the lower surface of the longitudinal beam.
Description
Technical Field
The utility model belongs to the technical field of automobiles, and particularly relates to a leaf spring mounting structure and an automobile.
Background
The steel plate spring mounting structure is formed by oppositely welding a mounting inner plate and a mounting outer plate on a longitudinal beam and welding a reinforcing plate at the rear end.
However, when the distances between the mounting points on the inner mounting plate and the outer mounting plate and the longitudinal beam are far, the strength of the steel plate spring mounting structure is low relative to a cantilever structure formed by the longitudinal beam, and the use requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a leaf spring mounting structure, and aims to solve the problem that the leaf spring mounting structure is low in strength relative to a longitudinally formed cantilever structure.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a leaf spring mounting structure, including connecting respectively at the installation planking and the installation inner panel of longeron lower surface, the installation planking with the installation inner panel sets up relatively and encloses into the tube structure, the middle part of tube structure inner chamber is equipped with the reinforcing plate, the reinforcing plate is connected the installation planking with on the installation inner panel, just the reinforcing plate the installation planking the installation inner panel with the longeron lower surface constitutes and seals box structure.
In a possible implementation manner, first folded plates bent towards the installation inner plate are respectively arranged on two sides of the installation outer plate, second folded plates bent towards the installation outer plate are respectively arranged on two sides of the installation inner plate, and the first folded plates and the second folded plates located on the same side are welded and fixed.
In one possible implementation, the second folded plate on the same side is welded and fixed on the outer surface of the first folded plate; and a first plug welding hole corresponding to the first folding plate is formed in any one of the second folding plates.
In a possible implementation manner, a third folded plate is arranged on the circumferential direction of the reinforcing plate, and the third folded plate is welded and fixed on the installation outer plate and the installation inner plate.
In a possible implementation manner, a second plug welding hole corresponding to the third folding plate is formed in the mounting inner plate.
In a possible implementation manner, the upper part of the installation outer plate and the upper part of the installation inner plate are both welded to the lower surface of the longitudinal beam, and the length of the welding bead is not less than 400 mm.
In one possible implementation, the width of the cylinder structure gradually decreases from top to bottom.
In one possible implementation, the mounting outer plate and the mounting inner plate are provided with a fold line type structure.
In a possible implementation manner, the lower sides of the mounting outer plate and the mounting inner plate are provided with flanging structures, and the flanging structures are located in the circumferential direction of the lower opening of the cylindrical structure.
The steel plate spring mounting structure provided by the utility model has the beneficial effects that: compared with the prior art, the installation planking encloses with the installation inner panel and establishes into tubular construction, and the tubular construction upper end is connected at the longeron lower surface. The inner cavity of the cylinder structure is provided with a reinforcing plate which is respectively connected with the installation outer plate and the installation inner plate. The reinforcing plate is positioned in the middle of the inner cavity of the cylindrical structure, so that the inner cavity of the cylindrical structure is divided into an upper part and a lower part, wherein the upper cavity is enclosed into a closed box-shaped structure by the reinforcing plate, the mounting outer plate, the mounting inner plate and the lower surface of the longitudinal beam.
The utility model also provides a vehicle comprising the steel plate spring mounting structure.
Compared with the prior art, the vehicle provided by the utility model has the same beneficial effects as the steel plate spring mounting structure due to the use of the steel plate spring mounting structure. The structural strength of the steel plate spring mounting structure can be increased, the use requirement is met, and the reliability of the whole vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a leaf spring mounting structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an installation outer panel according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an inner panel for mounting according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of reinforcement provided by an embodiment of the present invention.
Description of reference numerals:
100. a stringer; 200. installing an outer plate; 210. a first folded plate; 300. installing an inner plate; 310. a second folded plate; 320. a first plug weld hole; 330. a second plug weld hole; 400. a reinforcing plate; 410. a third folded plate; 500. a broken line type structure; 600. and a flanging structure.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1, the installation structure of the leaf spring according to the present invention will now be described. Leaf spring mounting structure, including connecting respectively at the installation planking 200 and the installation inner panel 300 of longeron 100 lower surface, installation planking 200 sets up relatively with installation inner panel 300 and encloses into the tubular structure, and the middle part of tubular structure inner chamber is equipped with reinforcing plate 400, and reinforcing plate 400 is connected on installation planking 200 and installation inner panel 300, and reinforcing plate 400, installation planking 200, installation inner panel 300 and longeron 100 lower surface constitution seal box structure.
Compared with the prior art, the mounting structure of the leaf spring provided by the utility model has the advantages that the mounting outer plate 200 and the mounting inner plate 300 are enclosed into a cylindrical structure, and the upper end of the cylindrical structure is connected to the lower surface of the longitudinal beam 100. The inner cavity of the cylinder structure is provided with a reinforcing plate 400, and the reinforcing plate 400 is respectively connected with the installation outer plate 200 and the installation inner plate 300. The reinforcing plate 400 is positioned in the middle of the inner cavity of the barrel structure, so that the inner cavity of the barrel structure is divided into an upper part and a lower part, wherein the upper cavity is surrounded by the reinforcing plate 400, the mounting outer plate 200, the mounting inner plate 300 and the lower surface of the longitudinal beam 100 to form a closed box-shaped structure, and the closed box-shaped structure can increase the structural strength of the steel plate spring mounting structure provided by the utility model, meet the use requirement and improve the reliability of the whole automobile.
Wherein, reinforcing plate 400 is located the position on the upper side in the middle part of the tubular structure, and reinforcing plate 400 is close to longeron 100, can promote the stability of closed box-like structure. For example, the distance between the reinforcing plate 400 and the upper end of the leaf spring mounting structure is 90mm, and the distance between the reinforcing plate 400 and the lower end of the leaf spring mounting structure is 70 mm.
As an embodiment of the leaf spring mounting structure provided by the present invention, please refer to fig. 1 to 3, two sides of the mounting outer plate 200 are respectively provided with a first folding plate 210 bending towards the mounting inner plate 300, two sides of the mounting inner plate 300 are respectively provided with a second folding plate 310 bending towards the mounting outer plate 200, and the first folding plate 210 and the second folding plate 310 located at the same side are welded and fixed.
In this embodiment, the two first folded plates 210 are integrally formed on the left and right sides of the mounting outer plate 200, respectively; similarly, two second flaps 310 are integrally formed at left and right sides of the mounting inner panel 300, respectively.
The first folding plate 210 and the second folding plate 310 located on the same side are welded to each other, so that the outer mounting plate 200 and the inner mounting plate 300 are connected by the first folding plate 210 and the second folding plate 310 on both sides, respectively, to form the above-mentioned cylindrical structure.
The first folding plate 210 and the second folding plate 310 belong to surface contact welding, and the structural strength is better.
As an embodiment of the leaf spring mounting structure provided by the present invention, please refer to fig. 1 and 3, the second folded plate 310 located on the same side is welded and fixed on the outer surface of the first folded plate 210; any one of the second folding plates 310 is formed with a first plug welding hole 320 corresponding to the first folding plate 210.
Specifically, the second folding plate 310 is welded and fixed on the outer surface of the first folding plate 210, one of the second folding plates 310 is provided with a first plug welding hole 320, the first plug welding hole 320 is a circular through hole, and after the first folding plate 210 and the second folding plate 310 are welded, the first plug welding hole 320 is used for performing plug welding on the first folding plate 210 and the second folding plate 310.
The plug welding is a welding process, in which two sheets (the first folding sheet 210 and the second folding sheet 310) are connected up and down, and the two sheets (the first folding sheet 210 and the second folding sheet 310) are welded through by fusion welding.
Referring to fig. 4, as a specific embodiment of the leaf spring mounting structure of the present invention, a third folding plate 410 is disposed around a reinforcing plate 400, and the third folding plate 410 is welded and fixed to the mounting outer plate 200 and the mounting inner plate 300.
In this embodiment, the third folding plates 410 include four pieces, which are integrally formed around the reinforcing plate 400 and bent toward the same side, wherein one set of the opposite third folding plates 410 is respectively welded and fixed to the inner and outer mounting plates 300 and 200, and the other set of the opposite third folding plates 410 is respectively welded and fixed to the second folding plate 310.
Specifically, the three third folding plates 410 welded to the mounting inner panel 300 and the second folding plate 310 are integrally formed to constitute a U-shaped structural plate, which can increase the structural strength of the reinforcing plate 400 itself and the connection between the mounting outer panel 200 and the mounting inner panel 300.
Referring to fig. 4, as a specific embodiment of the leaf spring mounting structure provided in the present invention, a second plug welding hole 330 corresponding to a third folding plate 410 is formed on a mounting inner plate 300.
Specifically, the second plug welding hole 330 is a long through hole transversely formed in the inner mounting plate 300, and after the third folded plate 410 and the inner mounting plate 300 are welded, the third folded plate 410 and the inner mounting plate 300 are subjected to plug welding by the second plug welding hole 330.
Referring to fig. 1, as an embodiment of the leaf spring mounting structure provided by the present invention, an upper portion of a mounting outer plate 200 and an upper portion of a mounting inner plate 300 are welded to a lower surface of a stringer 100, and a weld bead length is not less than 400 mm.
In this embodiment, after the outer mounting plate 200 and the inner mounting plate 300 are welded to each other, the two sides of the upper portion form notches adapted to the longitudinal beam 100 through the first folding plate 210 and the second folding plate 310. The leaf spring mounting structure is inserted into the lower part of the longitudinal beam 100 by means of the notches on both sides of the upper part, and then welded and fixed.
Specifically, the weld bead is not less than 400mm, so that the enough effective connecting area of the steel plate spring mounting structure and the longitudinal beam 100 can be ensured, and the structural stability is improved.
Referring to fig. 1 to 3, as an embodiment of the leaf spring mounting structure provided by the present invention, the width of the cylinder structure gradually decreases from top to bottom.
In this embodiment, the widths of the outer mounting plate 200 and the inner mounting plate 300 are all gradually reduced from top to bottom to form a shape similar to an inverted triangle, so that the cross section of the root part above the leaf spring mounting structure reaches the maximum, the strength of the joint between the leaf spring mounting structure and the longitudinal beam 100 is ensured, the root rigidity is also improved, and the overall rigidity of the leaf spring mounting structure is greatly improved.
Referring to fig. 1 to 3, as an embodiment of the leaf spring mounting structure provided by the present invention, a fold line type structure 500 is provided on the mounting outer plate 200 and the mounting inner plate 300.
In this embodiment, the broken line structure 500 is a small-angle bending section added on the outer mounting plate 200 and the inner mounting plate 300, and the bending angle thereof is generally not more than 45 °, so as to ensure sufficient movement clearance of the leaf spring car cover. The profile of the installation outer plate 200 and the profile of the installation inner plate 300 can be changed by the broken line type structure 500, the structural cavity strength of the installation outer plate 200 and the installation inner plate 300 can be increased, the cross section of the whole structure is processed in a maximized mode, the space of an internal cavity is guaranteed, and the whole rigidity is further maximized.
Referring to fig. 1 to 3, as an embodiment of the leaf spring mounting structure provided by the present invention, a flanging structure 600 is disposed at the lower sides of the mounting outer plate 200 and the mounting inner plate 300, and the flanging structure 600 is located at the circumferential direction of the lower opening of the cylindrical structure.
In this embodiment, the flanging directions of the flanging structures 600 located at the lower sides of the mounting outer plate 200 and the mounting inner plate 300 face the outer side of the leaf spring mounting structure, so that the strength and rigidity of the leaf spring mounting structure can be improved.
In addition, optimize leaf spring mounting structure welding seam design: installation planking 200 and reinforcing plate 400 are preferred to be welded in inside, and secondly reinforcing plate 400 carries out the plug welding with installation inner panel 300 and welds, and installs planking 200 and installation inner panel 300 and carry out the plug welding in step and handle, and this kind carries out two liang of welded processing between the three, has realized all and has carried out reconnection in the great position of cantilever, has avoided the not enough phenomenon of joint strength that the middle part caused because of local long cantilever.
The utility model also provides a vehicle using the steel plate spring mounting structure.
Compared with the prior art, the vehicle provided by the utility model has the same beneficial effects as the steel plate spring mounting structure due to the use of the steel plate spring mounting structure. The structural strength of the steel plate spring mounting structure can be increased, the use requirement is met, and the reliability of the whole vehicle is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a leaf spring mounting structure, is including connecting the installation planking and the installation inner panel at the longeron lower surface respectively, the installation planking with the installation inner panel sets up relatively and encloses into the tube structure, a serial communication port, the middle part of tube structure inner chamber is equipped with the reinforcing plate, the reinforcing plate is connected the installation planking with on the installation inner panel, just the reinforcing plate the installation planking the installation inner panel with the longeron lower surface constitutes closed box structure.
2. The leaf spring mounting structure according to claim 1, wherein first folding plates bent toward the mounting inner plate are respectively provided on both sides of the mounting outer plate, second folding plates bent toward the mounting outer plate are respectively provided on both sides of the mounting inner plate, and the first folding plates and the second folding plates located on the same side are welded and fixed.
3. The leaf spring mounting arrangement according to claim 2 wherein the second flap on the same side is welded to an outer surface of the first flap; and a first plug welding hole corresponding to the first folding plate is formed in any one of the second folding plates.
4. The leaf spring mounting arrangement according to claim 1, wherein the reinforcement panel is provided with a third folded panel in a circumferential direction thereof, and the third folded panel is welded and fixed to the mounting outer panel and the mounting inner panel.
5. The leaf spring mounting arrangement of claim 4, wherein the inner mounting plate defines a second plug weld hole corresponding to the third fold.
6. The leaf spring mounting structure according to claim 1, wherein the upper portion of the mounting outer plate and the upper portion of the mounting inner plate are welded to the lower surface of the side member, and the weld bead length is not less than 400 mm.
7. The leaf spring mounting arrangement according to claim 1, wherein the width of the barrel structure decreases from top to bottom.
8. The leaf spring mounting arrangement according to claim 1, wherein the mounting outer plate and the mounting inner plate are provided with a dog-leg structure.
9. The leaf spring mounting arrangement according to claim 1, wherein the underside of the mounting outer plate and the mounting inner plate is provided with a flange structure, the flange structure being located circumferentially of the lower opening of the tubular body structure.
10. A vehicle comprising a leaf spring mounting arrangement according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434538.5U CN215513867U (en) | 2021-06-25 | 2021-06-25 | Leaf spring mounting structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121434538.5U CN215513867U (en) | 2021-06-25 | 2021-06-25 | Leaf spring mounting structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215513867U true CN215513867U (en) | 2022-01-14 |
Family
ID=79810460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121434538.5U Active CN215513867U (en) | 2021-06-25 | 2021-06-25 | Leaf spring mounting structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215513867U (en) |
-
2021
- 2021-06-25 CN CN202121434538.5U patent/CN215513867U/en active Active
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