CN210592130U - Different cross section longeron assembly structure - Google Patents
Different cross section longeron assembly structure Download PDFInfo
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- CN210592130U CN210592130U CN201921725159.4U CN201921725159U CN210592130U CN 210592130 U CN210592130 U CN 210592130U CN 201921725159 U CN201921725159 U CN 201921725159U CN 210592130 U CN210592130 U CN 210592130U
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Abstract
The utility model discloses a different cross section longeron assembly structure, including the longeron, the homogeneous compression molding of longeron left and right sides wall has the arc bellying, and the longeron cross-section is oval opening, and the fixed welding of longeron front end face has the installation to expand the board, and the middle part of four lateral walls of longeron all has seted up a plurality of equidistance welded holes that distribute along its length direction; and a crumple box is horizontally arranged in the oval through hole of the longitudinal beam. The utility model discloses a level is provided with the case that contracts of bursting in the oval through-hole of longeron, and the case both ends of contracting of bursting are the closed form, and the case left side middle part horizontal fixedly connected with that contracts of bursting supports the round bar, supports the round bar and can share the partial dynamics that the longeron received to support the round bar with the impact force transmit the case that contracts of bursting, the case that contracts of bursting can guarantee through the arc groove when receiving the impact force, better buffering is out of shape and is absorbed strength, reaches the effect of buffering.
Description
Technical Field
The utility model relates to a longeron assembly technical field specifically is a different cross-section longeron assembly structure.
Background
Present longeron includes longeron apron, longeron inner panel and is located the longeron reinforcing plate between longeron apron and the longeron inner panel, and wherein, the longeron reinforcing plate size is shorter, does not have the support in the longeron front portion, leads to longeron anterior segment intensity less, and just the longeron apron department of here has arranged the car puller hook, according to the requirement of car traction regulation, need bear great Y to the power when pulling the vehicle, leads to the easy atress of part of reinforcing plate to warp, causes very big hidden danger to the security performance of car.
The retrieval publication (announcement) number CN209142225U discloses a reinforcing structure of an automobile longitudinal beam, which comprises a longitudinal beam inner plate fixedly connected to a longitudinal beam outer plate, wherein a bar-shaped reinforcing plate is arranged in a cavity at one end of the longitudinal beam inner plate, and two sides of the bar-shaped reinforcing plate are bent upwards and fixedly connected with the longitudinal beam inner plate; the strip-shaped reinforcing plate is provided with convex strips protruding out of the strip-shaped reinforcing plate, and the number of the convex strips is 1-8; the upper edge and the lower edge of the strip-shaped reinforcing plate are respectively provided with an upper flanging and a lower flanging which are bent towards the interior of the strip-shaped reinforcing plate; a plurality of convex stamping parts are arranged at one end of the longitudinal beam inner plate connected with the longitudinal beam outer plate, and a reinforcing plate is connected to the longitudinal beam inner plate through welding; the reinforcing plate divides the interior of the longitudinal beam into a plurality of closed areas, so that the bending resistance of the longitudinal beam is improved; the reinforcing plate and the longitudinal beam inner plate are both in a U shape, and the welding point is located on the upper portion of the supporting surface of the reinforcing plate, so that the welding is convenient.
However, the inventor finds that the technical scheme has at least the following defects:
the longitudinal beam arranged in the technical scheme is not provided with any buffer impact-resistant mechanism, so that the longitudinal beam is easy to deform after being impacted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a different cross-section longeron assembly structure has solved the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a special-section longitudinal beam assembly structure comprises a longitudinal beam, wherein arc-shaped protruding parts are integrally molded on the left side wall and the right side wall of the longitudinal beam, the section of the longitudinal beam is an oval through hole, an installation expanding plate is fixedly welded on the front end face of the longitudinal beam, and a plurality of welding holes which are distributed at equal intervals are formed in the middle of the four side walls of the longitudinal beam along the length direction of the longitudinal beam;
the inner level of the oval through hole of the longitudinal beam is provided with a crumple box, two ends of the crumple box are closed, and the middle part of the left side of the crumple box is horizontally and fixedly connected with a support round rod.
As an optimal implementation mode of the utility model, the installation expands the equal vertical bolt hole of having seted up in board four corners department.
As an optimized embodiment of the present invention, a plurality of arc grooves distributed at equal intervals are formed around the extension direction of the crumple box.
As a preferred embodiment of the present invention, the left end face of the supporting round bar is flush with the outer side face of the installation expanding plate.
As an preferred embodiment of the present invention, the crumple box is welded and fixed to the longitudinal beam through the welding hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
be provided with the case that bursts through the level in the oval through-hole of longeron, the case both ends that burst are the closed form, and the horizontal fixedly connected with in the middle part of the case left side that bursts supports the round bar, supports the round bar and can share the partial dynamics that the longeron received to support the round bar with the impact force transmit to the case that bursts, the case that bursts can guarantee through the arc groove when receiving the impact force, better buffering deformation absorbs strength, reach the effect of buffering.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic overall structure diagram of the special-section longitudinal beam assembly structure of the present invention;
FIG. 2 is a schematic structural view of the crumple box of the different cross-section longitudinal beam assembly of the present invention, which is a side view of the arrangement of the crumple boxes in the longitudinal beam;
fig. 3 is a schematic view of the crumple box of the different cross-section longitudinal beam assembly structure of the present invention.
In the figure: longeron 1, welding hole 2, installation expand board 3, bolt hole 4, oval opening 5, support round bar 6, arc bellying 7, the case that contracts of collapsing 8, arc groove 9.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a special-section longitudinal beam assembly structure comprises a longitudinal beam 1, wherein arc-shaped protruding parts 7 are uniformly formed on the left side wall and the right side wall of the longitudinal beam 1 in a compression molding mode, the section of the longitudinal beam 1 is an oval through hole 5, an installation expanding plate 3 is fixedly welded on the front end face of the longitudinal beam 1, a plurality of welding holes 2 distributed at equal intervals are formed in the middle of the four side walls of the longitudinal beam 1 along the length direction of the longitudinal beam, a crumple box 8 and the longitudinal beam 1 are fixedly welded through the welding holes 2, and the periphery of the crum;
the level is provided with the box 8 that contracts of ulcerate in 5 oval openings of longeron 1, and the box 8 both ends of contracting of ulcerate are the closed form, and the box 8 left side middle part level fixedly connected with that contracts of collapsing supports round bar 6, supports round bar 6 and can share the partial dynamics that longeron 1 received to support round bar 6 with the impact force transmission to the box 8 that contracts of collapsing, the box 8 that contracts of collapsing can guarantee through arc groove 9 when receiving the impact force, better buffering is out of shape and is absorbed strength, reaches the effect of buffering.
In this embodiment, the equal vertical bolt hole 4 of having seted up in installation 3 four corners departments of expanding the board for later stage installation car front bumper.
In this embodiment, the arc groove 9 that a plurality of equidistance distribute is all seted up all around to the 8 extension degrees directions of ulcerate box that contracts, and arc groove 9 can guarantee when receiving the impact force, and better buffering is out of shape and is absorbed strength, reaches the effect of buffering.
In this embodiment, 6 left end faces of support round bar flush with installation expand 3 lateral surfaces of board, and easy to assemble expands and installs automobile front bumper on board 3.
In the embodiment, the crumple box 8 and the longitudinal beam 1 are welded and fixed through the welding holes 2, and the periphery of the crumple box is welded and replaced conveniently and firmly.
When a different cross section longeron assembly structure uses, need explain, the utility model relates to a different cross section longeron assembly structure, including longeron 1, welding hole 2, installation expand board 3, bolt hole 4, oval opening 5, support round bar 6, arc bellying 7, the case 8 that contracts of collapsing, arc groove 9, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through technical manual or learn through conventional experimental method.
During the use, the level is provided with the box 8 that contracts of ulcerate in the oval opening 5 of longeron 1, and the box 8 both ends of contracting of ulcerate are the closed form, and the box 8 left side middle part level fixedly connected with that contracts of collapsing supports round bar 6, supports round bar 6 and can share the partial dynamics that longeron 1 received to support round bar 6 with the impact force transmit to the box 8 that contracts of collapsing, the box 8 that contracts of collapsing can guarantee through arc groove 9 when receiving the impact force, better buffering deformation absorption strength reaches the effect of buffering.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a different cross section longeron assembly structure, includes longeron (1), its characterized in that: arc-shaped protruding parts (7) are integrally formed on the left side wall and the right side wall of the longitudinal beam (1) in a compression molding mode, the cross section of the longitudinal beam (1) is an oval through hole (5), an installation expanding plate (3) is fixedly welded on the front end face of the longitudinal beam (1), and a plurality of welding holes (2) distributed at equal intervals are formed in the middle of the four side walls of the longitudinal beam (1) along the length direction;
the inner level of the oval through opening (5) of the longitudinal beam (1) is provided with a crumpling box (8), two ends of the crumpling box (8) are closed, and the middle part of the left side of the crumpling box (8) is horizontally and fixedly connected with a supporting round rod (6).
2. The differential section stringer assembly structure of claim 1, wherein: bolt holes (4) are vertically formed in four corners of the installation expanding plate (3).
3. The differential section stringer assembly structure of claim 1, wherein: and a plurality of arc grooves (9) which are distributed at equal intervals are formed in the periphery of the crumple box (8) in the extension direction.
4. The differential section stringer assembly structure of claim 1, wherein: the left end face of the supporting round rod (6) is flush with the outer side face of the installation expanding plate (3).
5. The differential section stringer assembly structure of claim 1, wherein: the middle of the crumple box (8) and the longitudinal beam (1) is welded and fixed through the welding hole (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725159.4U CN210592130U (en) | 2019-10-15 | 2019-10-15 | Different cross section longeron assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921725159.4U CN210592130U (en) | 2019-10-15 | 2019-10-15 | Different cross section longeron assembly structure |
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| Publication Number | Publication Date |
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| CN210592130U true CN210592130U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921725159.4U Active CN210592130U (en) | 2019-10-15 | 2019-10-15 | Different cross section longeron assembly structure |
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| CN (1) | CN210592130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623046A (en) * | 2020-12-28 | 2021-04-09 | 湖南大学 | Passenger car threshold beam manufacturing method |
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2019
- 2019-10-15 CN CN201921725159.4U patent/CN210592130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623046A (en) * | 2020-12-28 | 2021-04-09 | 湖南大学 | Passenger car threshold beam manufacturing method |
| CN112623046B (en) * | 2020-12-28 | 2021-11-02 | 湖南大学 | Passenger car threshold beam manufacturing method |
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