CN211196387U - Parking brake mounting point additional strengthening - Google Patents
Parking brake mounting point additional strengthening Download PDFInfo
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- CN211196387U CN211196387U CN201922072796.2U CN201922072796U CN211196387U CN 211196387 U CN211196387 U CN 211196387U CN 201922072796 U CN201922072796 U CN 201922072796U CN 211196387 U CN211196387 U CN 211196387U
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- parking brake
- mounting point
- flanging
- front floor
- brake mounting
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Abstract
The utility model discloses a parking brake mounting point additional strengthening, passageway and preceding floor back end rail under in the preceding floor that all is "U" font including the cross-section, be provided with parking brake mounting point reinforcement in the passageway in the preceding floor, parking brake mounting point reinforcement includes the reinforcement plate body, be provided with on the reinforcement plate body be used for with the diapire lapped first overlap joint portion of passageway in the preceding floor and be used for with the diapire lapped second overlap joint portion of preceding floor back end rail under, the upside of reinforcement plate body is provided with first turn-ups, first turn-ups simultaneously with the lateral wall of passageway in the preceding floor with the lateral wall overlap joint of preceding floor back end rail under. The utility model provides a parking brake mounting point additional strengthening can guarantee that the parking brake installation is reliable and stable, has reduced the risk that passageway warp in the preceding floor, reduces the processing degree of difficulty and processing cost simultaneously, is favorable to lightweight and economic nature under the condition that satisfies the performance requirement.
Description
Technical Field
The utility model relates to an automobile parts technical field, concretely relates to parking brake mounting point additional strengthening.
Background
With the development of the automobile industry, people have higher and higher requirements on the quality of automobiles, and the requirement on the stability of the assembly of each part of the automobile is also improved. The automobile parking brake is assembled on a channel in a front floor of an automobile body, and the automobile parking brake can generate large force during working, so that a reinforcing piece needs to be additionally arranged on a mounting point of the automobile body on the parking brake, or the material performance or the material thickness of the channel in the front floor is improved, so that the requirements on the rigidity and the strength performance of the mounting point of the parking brake are met.
Chinese patent document (published: 30/5/2012; publication number: CN202243708U) discloses a reinforcing structure at the rear part of a front floor, comprising a right front seat upper longitudinal beam, a left front seat upper longitudinal beam, a front floor rear section, and a parking brake fixing plate, wherein the parking brake fixing plate comprises a left flange, a right flange, and a recessed part arranged between the left flange and the right flange, the parking brake fixing plate is fixed in a front floor channel of the front floor rear section, the left flange is fixedly connected with a left side floor of the front floor rear section, the left side floor is fixedly connected with the left front seat upper longitudinal beam, the left front seat upper longitudinal beam is fixedly connected with a left cross beam, the right flange is fixedly connected with a right side floor of the front floor rear section, the right side floor is fixedly connected with the right front seat upper longitudinal beam, the right front seat upper longitudinal beam is fixedly connected with a right cross beam, the parking brake fixing plate is fixedly connected with the front floor rear section and the left front seat upper longitudinal beam, The upper longitudinal beam of the right front seat forms an upper-lower three-layer structure. Above-mentioned technical scheme blindly improves the joint strength on parking braking and preceding floor, and the faying surface is more, and the structure is complicated, and the part is great, and weight is big, and the processing degree of difficulty is high with the processing cost, and lightweight and economic nature are not showing remarkably.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, the utility model provides a parking brake mounting point additional strengthening, through reasonable in design's faying surface on parking brake mounting point reinforcement, effectively promote the rigidity and the intensity of parking brake mounting point, the atress disperses whole girder system through rear frame member under the preceding floor during making parking brake, guarantee parking brake installation reliable and stable, the risk of passageway deformation in the preceding floor has been reduced, reduce the processing degree of difficulty and processing cost simultaneously, be favorable to lightweight and economic nature under the condition that satisfies the performance requirement.
The utility model discloses a parking brake mounting point additional strengthening, passageway and preceding floor back end rail under all being the preceding floor of "U" font including the cross-section, be provided with parking brake mounting point reinforcement in the passageway in the preceding floor, parking brake mounting point reinforcement includes the reinforcement plate body, be provided with on the reinforcement plate body be used for with the diapire lapped first overlap joint portion of passageway in the preceding floor and be used for with the diapire lapped second overlap joint portion of preceding floor back end rail under, the upside of reinforcement plate body is provided with first turn-ups, first turn-ups simultaneously with the lateral wall of passageway in the preceding floor with the lateral wall overlap joint of preceding floor back end rail under.
Furthermore, the front floor lower rear cross beam is fitted and fixed in the front floor middle channel, and the second lap joint part, the front floor lower rear cross beam and the front floor middle channel are sequentially overlapped to form a three-layer structure.
Furthermore, the parking brake mounting point reinforcement further comprises at least three nuts which are arranged on the reinforcement plate body and used for mounting a parking brake, and through holes are formed in the positions of the front floor middle channel and the positions of the front floor lower rear cross beam corresponding to the nuts.
Further, two nuts among the at least three nuts are disposed on the second overlapping portion.
Furthermore, the reinforcement plate body is formed by integral punch forming, and the at least three nuts are fixed by welding.
Further, the left side and the lower side of the reinforcement plate body are provided with second flanges.
Furthermore, the second flanging comprises a left flanging part, a flanging corner part and a lower flanging part, and the left flanging part and the lower flanging part form an obtuse included angle with the flanging corner part, so that the second flanging is in the shape of ︺.
Furthermore, the included angle between the left flanging part and the lower flanging part and the flanging corner part is in smooth transition.
Further, the first lap joint part is provided with at least two positioning holes.
The utility model has the advantages that: the utility model discloses a parking brake mounting point additional strengthening through reasonable in design's faying face on parking brake mounting point reinforcement, effectively promotes the rigidity and the intensity of parking brake mounting point, and during the atress disperses whole roof beam system through rear cross beam under the preceding floor when making the parking brake, guarantee parking brake installation reliable and stable, reduced the risk that the passageway warp in the preceding floor, reduce the processing degree of difficulty and processing cost simultaneously, be favorable to lightweight and economic nature under the condition that satisfies the performance requirement.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the parking brake mounting point reinforcement of the present invention.
Description of reference numerals: 1-a front floor middle channel, 2-a front floor lower rear beam, 3-a reinforcement plate body, 31-a first lap joint part, 31 a-a positioning hole, 32-a second lap joint part, 33-a first flanging, 34-a second flanging, 34 a-a left flanging part, 34 b-a flanging corner part, 34 c-a lower flanging part and 4-nuts.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in the drawings, the parking brake mounting point reinforcing structure in the embodiment includes a front floor middle channel 1 and a front floor lower rear cross beam 2, both of which have U-shaped cross sections, a parking brake mounting point reinforcement is disposed in the front floor middle channel 1, the parking brake mounting point reinforcement includes a reinforcement plate body 3, a first overlapping portion 31 for overlapping with a bottom wall of the front floor middle channel 1 and a second overlapping portion 32 for overlapping with a bottom wall of the front floor lower rear cross beam 2 are disposed on the reinforcement plate body 3, a first flange 33 is disposed on an upper side of the reinforcement plate body 3, and the first flange 33 is overlapped with a side wall of the front floor middle channel 1 and a side wall of the front floor lower rear cross beam 2. First overlap joint portion 31, second overlap joint portion 32 and first turn-ups 33 can effectively promote the rigidity and the intensity of parking brake mounting point, and the atress is dispersed to whole beam system through rear frame member 2 under the preceding floor during messenger's parking braking, guarantees that parking brake installs reliable and stable, has reduced the risk that passageway 1 warp in the preceding floor, reduces the processing degree of difficulty and processing cost simultaneously, is favorable to lightweight and economic nature under the condition that satisfies the performance requirement.
In this embodiment, the front floor lower rear cross beam is fitted and fixed in the front floor middle channel, and the second overlapping portion, the front floor lower rear cross beam, and the front floor middle channel are sequentially overlapped to form a three-layer structure. The front floor lower rear cross beam 2 is fixed in the front floor middle channel 1 in a conformal fit manner, the first lap joint part 31 is in conformal fit lap joint with the bottom wall of the inner sunken part of the front floor middle channel 1, and the second lap joint part 32 is in conformal fit lap joint with the bottom wall of the inner sunken part of the front floor lower rear cross beam 2, so that the first lap joint part 31 is of a double-layer structure, and the second lap joint part 32 is of a three-layer structure; the first flanging 33 is simultaneously jointed and lapped with the side walls of the channel 1 in the front floor and the lower rear cross beam 2 of the front floor, one part is of a double-layer structure, and the other part is of a three-layer structure. The rigidity and the strength of the three-layer structure are higher, and the force applied to the reinforcement plate body 3 during parking braking can be more directly transmitted to the whole beam system of the automobile through the three-layer structure, so that the mounting reliability of the parking brake is further improved.
In this embodiment, the parking brake mounting point reinforcement further includes at least three nuts 4 disposed on the reinforcement plate body 3 and used for mounting a parking brake, and through holes are disposed in the front floor middle channel 1 and the positions of the front floor lower rear cross beam 2 corresponding to the nuts 4. Parking braking mounting point reinforcement is located the inside and outside both sides of passageway 1 in the front floor respectively with parking brake, and nut 4 all is located 1 one side of passageway in the front floor is kept away from to reinforcement plate body 3, and the screw rod for fixing parking brake passes parking brake, passageway 1 and reinforcement plate body 3 in the front floor in proper order, screws to realize the location on nut 4 at last, of course, if partial nut 4 sets up on second overlap joint portion 32, rear cross beam 2 under the front floor still need to be passed to corresponding screw rod. The work piece of reinforcement plate body 3 is little, and the machining precision of weld nut 4 is controlled easily in advance on the work piece, and the work piece of rear frame member 2 is big under passageway 1 and the preceding floor in the preceding floor, and the difficult control of drilling and 4 precision of weld nut in advance, the utility model discloses a position of nut 4 has just obtained control when processing parking braking mounting point reinforcement, and the machining precision requirement of via hole is low, compares in traditional direct setting up the mounting point on passageway 1 in the preceding floor, the utility model discloses processing degree of difficulty and processing cost have been reduced.
In this embodiment, two nuts 4 among the at least three nuts 4 are disposed on the second overlapping portion 32. Four nuts 4 have been selected for use in this embodiment for four angles of fixed parking brake mount pad respectively, wherein there are two nuts 4 to set up on second bridging portion 32, second bridging portion 32 department is three layer construction, so the intensity of second bridging portion 32 is higher, nut 4 is because with parking brake lug connection, the power that produces during parking brake is through these two direct transmission to preceding floor lower back crossbeam 2 of nut 4 who fixes on second bridging portion 32, and then disperse to in the whole beam system of car, consequently with wherein two nuts 4 set up and can make parking brake fixed more reliable and more stable on second bridging portion 32.
In this embodiment, the stiffener plate 3 is formed by integral punching, and the at least three nuts 4 are all fixed by welding. The reinforcing piece plate body 3 is integrally punched and formed, so that the precision is high, the batch processing production efficiency is high, and the cost is low; all the nuts 4 are fixed on the reinforcement plate body 3 through welding, so that the precision is easy to control, and the processing is simple and convenient.
In this embodiment, the reinforcing plate 3 is provided with second flanges 34 on the left and lower sides thereof. The second flange 34 can increase the strength of the reinforcement plate 3 itself, and prevent the reinforcement plate 3 from deforming during transportation or when the nut 4 is welded.
In this embodiment, the second flange 34 includes a left flange portion 34a, a flange corner portion 34b, and a lower flange portion 34c, and the left flange portion 34a and the lower flange portion 34c both form an obtuse included angle with the flange corner portion 34b, so that the second flange 34 is shaped like "︺". The left burring part 34a and the lower burring part 34c are integrally connected by the burring corner part 34b, and the bending resistance in a plurality of directions can be improved.
In this embodiment, the corners of the left turned-over edge portion 34a, the lower turned-over edge portion 34c and the turned-over edge corner portion 34b are smoothly transited. The smooth transition can prevent stress concentration, and the smooth transition mode is easier to form and higher in forming quality during stamping.
In this embodiment, the first overlapping portion 31 is provided with at least two positioning holes 31 a. Two locating holes 31a can cooperate with the frock when the assembly, also can cooperate with examining the utensil and carry out the assembly precision and detect when detecting the finished product after assembly welding is accomplished, has designed two locating holes 31a in this embodiment, and first overlap joint portion 31 and the diapire laminating overlap joint of passageway 1 in the preceding floor, and two locating holes 31a of deuterogamying can realize the accurate control of position on the 6 degrees of freedom.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a parking brake mounting point additional strengthening, includes that the cross-section all is passageway (1) and preceding floor rear frame member (2) under preceding floor of "U" font, its characterized in that: the parking brake installation point reinforcing piece is arranged in the front floor middle channel (1) and comprises a reinforcing piece plate body (3), a first overlapping portion (31) used for being overlapped with the bottom wall of the front floor middle channel (1) and a second overlapping portion (32) used for being overlapped with the bottom wall of the front floor lower rear cross beam (2) are arranged on the reinforcing piece plate body (3), a first flanging (33) is arranged on the upper side of the reinforcing piece plate body (3), and the first flanging (33) is overlapped with the side wall of the front floor middle channel (1) and the side wall of the front floor lower rear cross beam (2) at the same time.
2. The parking brake mounting point reinforcing structure according to claim 1, characterized in that: the front floor lower rear cross beam (2) is fitted and fixed in the front floor middle channel (1), and the second lap joint part (32), the front floor lower rear cross beam (2) and the front floor middle channel (1) are sequentially overlapped to form a three-layer structure.
3. The parking brake mounting point reinforcing structure according to claim 1, characterized in that: the parking brake mounting point reinforcement further comprises at least three nuts (4) arranged on the reinforcement plate body (3) and used for mounting a parking brake, and through holes are formed in the positions, corresponding to the nuts (4), of the front floor middle channel (1) and the front floor lower rear cross beam (2).
4. The parking brake mounting point reinforcing structure according to claim 3, characterized in that: two nuts (4) of the at least three nuts (4) are arranged on the second overlapping part (32).
5. The parking brake mounting point reinforcing structure according to claim 3, characterized in that: the reinforcement plate body (3) is formed by integral punch forming, and the at least three nuts (4) are fixed by welding.
6. The parking brake mounting point reinforcing structure according to claim 1, characterized in that: and second flanges (34) are arranged on the left side and the lower side of the reinforcement plate body (3).
7. The parking brake mounting point reinforcing structure according to claim 6, characterized in that: the second flanging (34) comprises a left flanging part (34a), a flanging corner part (34b) and a lower flanging part (34c), and the left flanging part (34a) and the lower flanging part (34c) form an obtuse included angle with the flanging corner part (34b) so that the second flanging is in a shape of ︺'.
8. The parking brake mounting point reinforcing structure according to claim 7, characterized in that: the included angles of the left flanging part (34a), the lower flanging part (34c) and the flanging corner part (34b) are in smooth transition.
9. The parking brake mounting point reinforcing structure according to claim 1, characterized in that: the first lap joint part (31) is provided with at least two positioning holes (31 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072796.2U CN211196387U (en) | 2019-11-27 | 2019-11-27 | Parking brake mounting point additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922072796.2U CN211196387U (en) | 2019-11-27 | 2019-11-27 | Parking brake mounting point additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211196387U true CN211196387U (en) | 2020-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922072796.2U Active CN211196387U (en) | 2019-11-27 | 2019-11-27 | Parking brake mounting point additional strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211196387U (en) |
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2019
- 2019-11-27 CN CN201922072796.2U patent/CN211196387U/en active Active
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