Springback limiting device applied to U-shaped beam
By setting first, second, and third limiting brackets on the U-shaped beam, clamping and expanding its side walls, the assembly accuracy problem caused by the springback during the cooling process of the U-shaped beam is solved, and precise installation dimension control is achieved.
Patent Information
- Application Number
- CN202520500083.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing technologies, the side walls of U-shaped beams spring back during the cooling process, affecting assembly accuracy.
A rebound limiting device, including first, second and third limiting supports, is adopted and respectively locked at three parts of the U-shaped beam. The folded edge connects with the side wall to limit the inward shrinkage of the U-shaped beam and ensure that the two side walls expand to a reasonable size.
Effective control of the U-beam's rebound ensures installation accuracy and guarantees the assembly accuracy requirements of subsequent parts.
Smart Images
Figure CN223949220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle processing equipment technical field, concretely is a rebound limiting device for U type roof beam. BACKGROUND
[0002] The front end frame U type roof beam is the important carrier of the front end frame and is also the important component of the whole vehicle structure and mechanical property, and is applied more and more widely on the whole vehicle.
[0003] At present, the front end frame U type roof beam is formed through stamping or hot stamping, and is cooled and shaped by the natural cooling mode, but in the cooling process, due to the change of cooling time, temperature and environment, the rebound phenomenon occurs in the side walls of the two sides of the U type roof beam, and in view of the relatively high installation precision requirement of the front end U type roof beam, if the rebound of the side wall cannot be controlled, the part side wall surface profile degree cannot reach the standard, and the installation size precision of the subsequent parts is affected. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model aims at providing a rebound limiting device for U type roof beam to solve the technical problem that the existing cooling mode of U type roof beam in the background art can cause the rebound of the side walls of the two sides of the U type roof beam and affect the assembly precision.
[0005] The utility model provides a rebound limiting device for U type roof beam, the rebound limiting device includes at least a first limiting support, at least a second limiting support and at least a third limiting support;
[0006] The first limiting support, the second limiting support and the third limiting support are clamped in at least three parts in the U type roof beam along the length direction of the U type roof beam;
[0007] The middle part of the first limiting support, the middle part of the second limiting support and the middle part of the third limiting support are all bent inward, so that the opposite edges of the first limiting support, the opposite edges of the second limiting support and the opposite edges of the third limiting support all form a folded edge part, and the folded edge part is used to be arranged opposite to the side wall of the U type roof beam.
[0008] Further, the first limiting support is arranged at the front end of the U type roof beam, the second limiting support is arranged at the top end of the U type roof beam, and the third limiting support is arranged at the middle part of the rear end of the U type roof beam.
[0009] Further, the middle part of the first limiting support, the middle part of the second limiting support and the middle part of the third limiting support are all provided with at least one through hole.
[0010] Further, the folded edge part is arranged in an arc shape.
[0011] Further, the length dimensions of the first, second and third limiting supports are different.
[0012] Further, the length dimension of the second limiting support is greater than the length dimensions of the first and third limiting supports.
[0013] Further, the first limiting support comprises a first middle portion and two first folded edge portions arranged at the two edges of the first middle portion, and the first folded edge portions are arranged opposite to the side walls of the U-shaped beam.
[0014] Further, the second limiting support comprises a second middle portion and two second folded edge portions arranged at the two edges of the second middle portion, and the second folded edge portions are arranged opposite to the side walls of the U-shaped beam.
[0015] Further, the second limiting support further comprises a bent portion connected with one of the second folded edge portions, so that when the second middle portion and the second folded edge portions are located inside the U-shaped beam, the bent portion is located outside the U-shaped beam.
[0016] Further, the third limiting support comprises a third middle portion and two third folded edge portions arranged at the two edges of the third middle portion, and the third folded edge portions are arranged opposite to the side walls of the U-shaped beam.
[0017] Compared with the prior art, the present application has the following beneficial effects:
[0018] In the rebound limiting device for the U-shaped beam, the first, second and third limiting supports are arranged, so that when the two side walls of the U-shaped beam are inwardly contracted, the first, second and third limiting supports are respectively clamped at at least three positions inside the U-shaped beam, so that the two side walls of the U-shaped beam can be expanded outwardly, the two side walls of the U-shaped beam are expanded to a reasonable size, the installation precision of the U-shaped beam is guaranteed to meet the requirements, and the technical problem that the rebound of the two side walls of the U-shaped beam affects the assembly precision in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Fig. 1 is a first perspective view of the rebound limiting device for the U-shaped beam in an embodiment of the present application;
[0020] Fig. 2 is a second perspective view of the rebound limiting device for the U-shaped beam in an embodiment of the present application;
[0021] Fig. 3The utility model discloses an explosion map of a rebound limiting device applied to a U-shaped beam in an embodiment.
[0022] In the drawing: 100, U-shaped beam; 200, first limiting support; 210, first middle part; 220, first flange part; 300, second limiting support; 310, second middle part; 320, second flange part; 330, bending part; 400, third limiting support; 410, third middle part; 420, third flange part; 500, through hole. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show several embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0024] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.
[0026] Please refer to Figs. 1-3 , which shows a rebound limiting device applied to a U-shaped beam in an embodiment of the utility model. It should be noted that in actual situations, the U-shaped beam 100 is formed by stamping or hot stamping. During the cooling process, due to changes in cooling time, temperature and environment, the side walls on both sides of the U-shaped beam 100 will shrink inward, that is Fig. 3 the side walls on both sides of the U-shaped beam 100 in the drawing will shrink inward, resulting in the side wall profile not meeting the standard and affecting the installation size accuracy of subsequent parts.
[0027] Therefore, in this example, the rebound limiting device includes at least one first limiting support 200, at least one second limiting support 300 and at least one third limiting support 400.
[0028] The first limiting bracket 200, the second limiting bracket 300 and the third limiting bracket 400 are clamped in at least three positions of the U-shaped beam 100 along the length direction of the U-shaped beam 100 respectively.
[0029] The middle part of the first limiting bracket 200, the middle part of the second limiting bracket 300 and the middle part of the third limiting bracket 400 are all inwardly bent, so that the opposite edges of the first limiting bracket 200, the opposite edges of the second limiting bracket 300 and the opposite edges of the third limiting bracket 400 are all formed with a bent edge part, and the bent edge part is used for being arranged opposite to the side wall of the U-shaped beam 100.
[0030] When the two side walls of the U-shaped beam 100 are inwardly contracted, the first limiting bracket 200, the second limiting bracket 300 and the third limiting bracket 400 are clamped in at least three positions of the U-shaped beam 100 respectively, so that the two side walls of the U-shaped beam 100 which are inwardly contracted can be expanded outwardly, and the two side walls of the U-shaped beam 100 are expanded to a reasonable size, so as to ensure that the installation precision of the U-shaped beam 100 meets the requirements, and further solve the technical problem that the two side walls of the U-shaped beam 100 rebound in the prior art and affect the assembly precision.
[0031] It should be noted that the size of the first limiting bracket 200, the size of the second limiting bracket 300 and the size of the third limiting bracket 400 meet the installation precision requirements of the U-shaped beam 100 in specific implementation.
[0032] Specifically, the first limiting bracket 200 is arranged at the front end of the U-shaped beam 100, the second limiting bracket 300 is arranged at the top end of the U-shaped beam 100, and the third limiting bracket 400 is arranged at the middle part of the rear end of the U-shaped beam 100, and the length dimensions of the first limiting bracket 200, the second limiting bracket 300 and the third limiting bracket 400 are all different, so that each position of the two side walls of the U-shaped beam 100 can be expanded to a reasonable size by limiting the clamping of the first limiting bracket 200, the second limiting bracket 300 and the third limiting bracket 400.
[0033] It should be further noted that the length dimension of the second limiting bracket 300 is greater than the length dimension of the first limiting bracket 200 and the length dimension of the second limiting bracket 300, that is, the second limiting bracket 300 can be expanded and limited along the length direction of the U-shaped beam 100.
[0034] In order to avoid the disadvantage of scratching the U-shaped beam 100 when assembling the first limiting support 200, the second limiting support 300 and the third limiting support 400, in the embodiment, the folded edge part is arc-shaped, and at least one through hole 500 is arranged at the middle part of the first limiting support 200, the middle part of the second limiting support 300 and the middle part of the third limiting support 400, which not only can guarantee the installation of other vehicle parts on the U-shaped beam 100, but also can guarantee the strength between the first limiting support 200, the second limiting support 300 and the third limiting support 400.
[0035] Specifically, the first limiting support 200 comprises a first middle part 210 and two first folded edge parts 220 arranged at both edges of the first middle part 210, and the first folded edge part 220 is arranged opposite to the side wall of the U-shaped beam 100; the second limiting support 300 comprises a second middle part 310, a bent part 330 and two second folded edge parts 320 arranged at both edges of the second middle part 310, and the second folded edge part 320 is arranged opposite to the side wall of the U-shaped beam 100, the bent part 330 is connected with one second folded edge part 320, so that when the second middle part 310 and the second folded edge part 320 are located in the U-shaped beam 100, the bent part 330 is located outside the U-shaped beam 100, and the bent part 330 is arranged to facilitate disassembly of the second limiting support 300; the third limiting support 400 comprises a third middle part 410 and two third folded edge parts 420 arranged at both edges of the third middle part 410, and the third folded edge part 420 is arranged opposite to the side wall of the U-shaped beam 100.
[0036] In summary, the rebound limiting device applied to the U-shaped beam has at least the following beneficial effects:
[0037] In the rebound limiting device applied to the U-shaped beam, through the arrangement of the first limiting support 200, the second limiting support 300 and the third limiting support 400, when the two side walls of the U-shaped beam 100 are inwardly contracted, the first limiting support 200, the second limiting support 300 and the third limiting support 400 are respectively clamped at at least three positions in the U-shaped beam 100, so that the two side walls of the U-shaped beam 100 which are inwardly contracted can be expanded outwardly, the two side walls of the U-shaped beam 100 are expanded to a reasonable size, the installation precision of the U-shaped beam 100 is guaranteed to meet the requirements, and the technical problem that the rebound of the two side walls of the U-shaped beam 100 affects the assembly precision in the prior art is solved.
[0038] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0039] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A springback limiting device applied to a U-shaped beam, characterized in that, The rebound limiting device includes at least one first limiting bracket, at least one second limiting bracket, and at least one third limiting bracket; The first limiting bracket, the second limiting bracket, and the third limiting bracket are respectively engaged in at least three locations within the U-shaped beam along the length direction of the U-shaped beam; The middle portions of the first limiting bracket, the second limiting bracket, and the third limiting bracket are all bent inward, so that folded edges are formed on the opposite two edges of the first limiting bracket, the opposite two edges of the second limiting bracket, and the opposite two edges of the third limiting bracket. The folded edges are arranged opposite to the side wall of the U-shaped beam.
2. The springback limiting device for U-shaped beams according to claim 1, characterized in that: The first limiting bracket is located at the front end of the U-shaped beam, the second limiting bracket is located at the top end of the U-shaped beam, and the third limiting bracket is located at the middle of the rear end of the U-shaped beam.
3. The springback limiting device for U-shaped beams according to claim 1, characterized in that: The middle portion of the first limiting bracket, the middle portion of the second limiting bracket, and the middle portion of the third limiting bracket are each provided with at least one through hole.
4. The springback limiting device for U-shaped beams according to claim 1, characterized in that: The folded edge is curved.
5. The springback limiting device for a U-shaped beam according to claim 1, characterized in that: The lengths of the first limiting bracket, the second limiting bracket, and the third limiting bracket are all different.
6. The springback limiting device for a U-shaped beam according to claim 5, characterized in that: The length of the second limiting bracket is greater than the length of both the first limiting bracket and the second limiting bracket.
7. The springback limiting device for a U-shaped beam according to claim 1, characterized in that: The first limiting bracket includes a first middle section and two first folded edges disposed at the two edges of the first middle section, the first folded edges being disposed opposite to the sidewall of the U-shaped beam.
8. The springback limiting device for a U-shaped beam according to claim 1, characterized in that: The second limiting bracket includes a second middle section and two second folded edges disposed at the two edges of the second middle section, the second folded edges being disposed opposite to the sidewall of the U-shaped beam.
9. The springback limiting device for a U-shaped beam according to claim 8, characterized in that: The second limiting bracket further includes a bending portion connected to a second folded edge portion, such that when the second middle portion and the second folded edge portion are located inside the U-shaped beam, the bending portion is located outside the U-shaped beam.
10. The springback limiting device for a U-shaped beam according to claim 1, characterized in that: The third limiting bracket includes a third middle section and two third folded edges disposed at the two edges of the third middle section, the third folded edges being configured to be opposite to the sidewall of the U-shaped beam.