Automobile front bumper with detachable structure
By adopting a detachable structure, the front bumper of the automobile is solved by using threaded connections and modular design, the problems of bumper transportation occupying a large space and high maintenance costs in the prior art are solved, and the effect of reducing transportation and use costs is achieved.
Patent Information
- Application Number
- CN202421594334.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The existing car bumpers are integrally welded structures, resulting in large space in transportation and expensive freight. They need to be replaced as a whole during repair or replacement, which is costly.
The front bumper of the automobile with a detachable structure is used to replace traditional welding by threaded connections, which realizes the disassembly and modular design of the bumper. The grille is made of aluminum alloy.
During transportation, make full use of the container space to significantly reduce transportation costs; only replace the damaged parts during replacement, without changing the entire bumper, reducing the cost of users; the product is beautiful and avoids bending deformation or residue problems during welding.
Smart Images

Figure CN222905481U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bumpers and provides a front bumper of an automobile with a detachable structure. Background Art
[0002] In foreign countries, trucks, especially heavy trucks, often collide with wild animals, such as kangaroos, bison and other large animals during use, causing damage to the front of the truck. This heavy truck is expensive, and in order to protect the front of the truck, the bumper needs to be modified. In the prior art, the structure of the bumper is welded as a whole, and the shape is made according to the vehicle model, and then shipped abroad by sea in containers. Since the bumper is an integrated structure, it is limited by the shape of the bumper and needs to occupy a large space during use, resulting in expensive freight. A container can usually only transport more than 20 bumpers at a time, and once a problem occurs, the bumper must be repaired or replaced as a whole, which is very costly. Utility Model Content
[0003] In order to solve the problems existing in the prior art, the utility model provides a front bumper of an automobile with a detachable structure, comprising a bumper and a grille installed on the bumper, the grille comprising a front grille arranged in the middle of the bumper and side grilles respectively arranged on both sides of the front grille, the front grille comprising a front column, a front cross beam arranged on the front column and a protective component, the front column is connected to the bumper in a vertical direction and a horizontal direction respectively by bolts, the side grille comprises a side column and a side cross beam arranged on the side column, the side column is installed on the bumper by bolts, and the side cross beam is installed on the side wall of the column by bolts.
[0004] Specifically, a first partition is disposed in the front pillar, and the first partition divides the front pillar into two front and rear cavities.
[0005] Specifically, a first mounting plate is arranged at the bottom of the cavity behind the front pillar, a first nut is welded on the first mounting plate, and a first bolt passes through the bumper and the first mounting plate and is threadedly connected in the first nut.
[0006] Specifically, a second nut is provided in a cavity in front of the front pillar, through holes are provided in the first partition and the bumper, and a second bolt passes through the bumper and the first partition and is threadedly connected in the front pillar.
[0007] Specifically, the protective component is a protective rod, which is arranged parallel to the front pillar, a second mounting plate is arranged at the bottom of the protective rod, a third nut is welded on the second mounting plate, through holes are arranged in the second mounting plate and the bumper, the third bolt passes through the bumper and the second mounting plate from the bottom of the second mounting plate, and is threaded in the third nut, a through hole is arranged at the bottom of the front cross beam, the shape of the through hole matches the shape of the protective rod, and the top of the protective rod is inserted into the through hole of the front cross beam.
[0008] Specifically, a second partition is provided in the side pillar, and the second partition divides the side pillar into two front and rear cavities.
[0009] Specifically, a third mounting plate is arranged at the bottom of the cavity behind the side pillar, a fourth nut is welded on the third mounting plate, matching through holes are arranged on the bumper and the third mounting plate, a fourth bolt passes through the bumper and the third mounting plate, and is threadedly connected in the fourth nut.
[0010] Specifically, a fifth nut is welded in the second partition, a fixing frame is arranged on the inner side of the bumper, through holes are arranged in the bumper and the fixing frame, and the fifth bolt passes through the fixing frame and the bumper and is threadedly connected in the fifth nut.
[0011] Specifically, a fourth mounting plate is provided at the end of the side cross beam, a sixth nut is welded on the inner side of the side wall of the front pillar, a mounting hole is provided in the side cross beam, a sixth bolt passes through the fourth mounting plate and the front pillar, and is threadedly connected in the sixth nut, and there are at least two sixth nuts, at least one of which is provided in a cavity in front of the front pillar, and at least one is provided in a cavity in rear of the front pillar.
[0012] Specifically, the front grille and the side grilles are made of aluminum alloy.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model provides a detachable bumper structure, which adopts threaded connection instead of traditional welding, and can be disassembled for transportation and sales. During transportation, the space in the container can be fully utilized, and one container can double the transportation volume, which significantly reduces the transportation cost; when the bumper is replaced, only the damaged part can be replaced by removing the bolts, and there is no need to replace the whole bumper, which significantly reduces the user's use cost; the bumper adopts threaded connection, which avoids the problem of product bending and deformation or the presence of residues during welding, making the product more beautiful. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a front and side stereogram of the utility model;
[0016] Figure 2 It is a back stereogram of the utility model;
[0017] Figure 3 It is a schematic diagram of the internal structure of the front pillar and the side pillar of the utility model;
[0018] Figure 4 This is an enlarged view of part A of the utility model;
[0019] Figure 5 This is an enlarged view of part B of the utility model;
[0020] Figure 6 This is a schematic diagram of the internal structure of the protection rod of the utility model;
[0021] Figure 7 This is an enlarged view of part C of the utility model;
[0022] Figure 8 This is a schematic diagram of the internal structure of the connection between the side cross beam and the front pillar of the utility model;
[0023] Fig. 9 It is an enlarged view of the D part of the utility model.
[0024] Figure numerals: 1. bumper; 2. front grille; 21. front pillar; 211. first mounting plate; 212. first bolt; 213. first nut; 214. first partition; 215. second bolt; 216. second nut; 22. front cross beam; 23. protection bar; 231. second mounting plate; 232. third bolt; 233. third nut; 3. side grille; 31. side pillar; 311. third mounting plate; 312. fourth bolt; 313; fourth nut; 314. second partition; 315. fifth bolt; 316. fifth nut; 317. fixing frame; 32. side cross beam; 321. fourth mounting plate; 322. sixth bolt; 323. sixth nut; 324. mounting hole. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The specific implementation of the utility model is described in detail below in combination with specific embodiments.
[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connection", "setting" and "installation" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or welding; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0027] As the first embodiment of the present utility model, Figure 1-Figure 9 As shown, a detachable front bumper for a car comprises a bumper 1 and a grille mounted on the bumper 1. The grille adopts a modular design and comprises a front grille 2 arranged in the middle of the bumper 1 and side grilles 3 respectively arranged on both sides of the front grille 2. The front grille 2 is mounted on the bumper 1, one end of the side grille 3 is mounted on the bumper 1, and the other end is mounted on the front grille 2. Bolts are used to connect the front grille 2 and the bumper 1, the side grille 3 and the bumper 1, and the front grille 2 and the side grille 3. The front grille 2 and the side grille 3 are made of aluminum alloy. When the detachable front bumper for a car is damaged, it does not need to be replaced as a whole. It only needs to remove the bolts and replace the damaged part, which reduces the user's use cost. At the same time, it can be disassembled and transported during transportation, which can significantly reduce the transportation cost.
[0028] The front grille 2 includes a front pillar 21, a front crossbeam 22 and a protective component. The front pillars 21 are two and are symmetrically arranged in front of the bumper 1. The front crossbeam 22 is welded on the front pillars 21 to connect the two front pillars 21. The front pillars 21 are connected to the bumper 1 in the vertical direction and the horizontal direction respectively. The front pillars 21 are provided with a first partition 214, and the first partition 214 divides the front pillars 21 into two front and rear cavities.
[0029] In the cavity behind the front pillar 21, a first mounting plate 211 is provided. The first mounting plate 211 is welded to the bottom of the front pillar 21. A first nut 213 is welded to the first mounting plate 211. Matching through holes are provided on the bumper 1 and the first mounting plate 211. A first bolt 212 passes through the bumper 1 and the first mounting plate 211 and is threadedly connected to the first nut 213, so that the front pillar 21 is connected to the bumper 1 in the vertical direction. In the cavity in front of the front pillar 21, a second nut 216 is provided. The second nut 216 can be welded to the front side of the first partition 214 or to the inner side of the front pillar 21. Through holes are provided in the first partition 214 and the bumper 1. A second bolt 215 passes through the bumper 1 and is threadedly connected to the first partition 214 in the front pillar 21, so that the front pillar 21 is connected to the bumper 1 in the horizontal direction. The front pillar 21 is fastened to the bumper 1 by means of the first bolt 212 and the second bolt 215 .
[0030] A protective component is provided in the space enclosed by the front pillar 21, the front cross beam 22 and the bumper 1. The protective component is a protective rod 23, and the protective rod 23 is provided in parallel with the front pillar 21. A second mounting plate 231 is welded at the bottom of the protective rod 23, and a third nut 233 is welded above the second mounting plate 231. Through holes are provided in the second mounting plate 231 and the bumper 1. The third bolt 232 passes through the bumper 1 and the second mounting plate 231 from the bottom of the second mounting plate 231, and is threadedly connected in the third nut 233 to fix the position of the front pillar 21. A through hole is provided at the bottom of the front cross beam 22. The shape of the through hole matches the shape of the protective rod 23. The length of the protective rod 23 is greater than the distance from the bumper 1 to the bottom of the front cross beam 22. The top of the protective rod 23 is inserted into the through hole of the front cross beam 22. The protection bar 23 is installed on the bumper 1 by means of bottom fastening and top limiting. No welding is required for installation. If a single protection bar 23 is damaged during use, only the damaged protection bar 23 can be replaced, which can significantly save the customer's replacement cost.
[0031] On both sides of the front grille 2, side grilles 3 are symmetrically arranged, and the side grilles 3 include side pillars 31 and side cross beams 32. The side pillars 31 are installed on the bumper 1 by bolts, one end of the side cross beam 32 is welded to the side pillars 31, and the other end of the side cross beam 32 is connected to the side wall of the front pillar 21 by bolts. The side pillars 31 are provided with second partitions 314, and the second partitions 314 separate the side pillars 31 into two front and rear cavities.
[0032] A third mounting plate 311 is provided in the cavity behind the side pillar 31, and the third mounting plate 311 is welded to the bottom of the side pillar 31. A fourth nut 313 is welded to the third mounting plate 311. Matching through holes are provided on the bumper 1 and the third mounting plate 311. A fourth bolt 312 passes through the bumper 1 and the third mounting plate 311 and is threadedly connected to the fourth nut 313, so that the side pillar 31 is connected to the bumper 1 in the vertical direction. A fifth nut 316 is welded to the second bulkhead 314. A fixing frame 317 is provided on the inner side of the bumper 1. The mounting surface of the fifth bolt 315 of the fixing frame 317 is parallel to the second bulkhead 314. Through holes are provided in the bumper 1 and the fixing frame 317. The fifth bolt 315 passes through the fixing frame 317 and the bumper 1 and is threadedly connected to the fifth nut 316, so that the side pillar 31 is connected to the bumper 1 in the horizontal direction. The side pillar 31 is fastened to the bumper 1 by the fourth bolt 312 and the fifth bolt 315 .
[0033] A fourth mounting plate 321 is welded to the end of the side cross beam 32, and a sixth nut 323 is welded to the inner side of the side wall of the front pillar 21. There are at least two sixth nuts 323, at least one of which is set in the cavity in front of the front pillar 21, and at least one is set in the cavity in the rear of the front pillar 21. A mounting hole 324 is set in the side cross beam 32, and the projection of the mounting hole 324 to the fourth mounting plate 321 matches the position of the sixth nut 323. The sixth bolt 322 is installed on the side wall of the front pillar 21 from the mounting hole 324. The sixth bolt 322 passes through the fourth mounting plate 321 and the front pillar 21, and is threadedly connected in the sixth nut 323 to connect the side cross beam 32 with the front pillar 21.
[0034] There are at least two sets of the first bolt 212 and the first nut 213, the second bolt 215 and the second nut 216, the third bolt 232 and the third nut 233, the fifth bolt 315 and the fifth nut 316, and the sixth bolt 322 and the sixth nut 323 to ensure the tightness and stability of the connection.
[0035] The utility model adopts threaded connection instead of aluminum welding, which avoids the problem of bending or residue of the product during the welding process, making the product more beautiful. Compared with the existing one-piece bumper 1, the improved bumper 1 can be disassembled for transportation and sales. Compared with the one-piece bumper 1, the improved bumper 1 can make full use of the space in the container during transportation, and one container can double the transportation volume, which significantly reduces the transportation cost; and when the bumper 1 is replaced, only the damaged part is replaced by removing the bolts, and there is no need to replace the entire bumper 1. The replacement cost of the bumper 1 is reduced from about US$15,000 to about US$2,000, which significantly reduces the user's use cost.
[0036] Furthermore, as the second embodiment of the utility model, compared with the first embodiment, the first nut 213, the second nut 216, the third nut 233, the fourth nut 313, the fifth nut and the sixth nut are replaced by steel plates, and a 10 mm thick steel plate is welded to the aluminum alloy grille at the welding position of the original nut, and threaded holes are welded in the steel plate, and bolts are threadedly connected in the steel plate to fix the grille.
[0037] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.
Claims
1. A detachable front bumper for an automobile, comprising a bumper (1) and a grille mounted on the bumper (1), wherein the grille comprises a front grille (2) arranged in the middle of the bumper (1) and side grilles (3) respectively arranged on both sides of the front grille (2), characterized in that: The front grille (2) comprises a front column (21), a front cross beam (22) arranged on the front column (21) and a protective component; the front column (21) is connected to the bumper (1) in the vertical direction and the horizontal direction respectively by bolts; the side grille (3) comprises a side column (31) and a side cross beam (32) arranged on the side column (31); the side column (31) is installed on the bumper (1) by bolts, and the side cross beam (32) is installed on the side wall of the column by bolts.
2. The detachable front bumper of a car according to claim 1, characterized in that: A first partition (214) is arranged inside the front pillar (21), and the first partition (214) divides the front pillar (21) into two front and rear cavities.
3. The detachable front bumper of a car according to claim 2, characterized in that: A first mounting plate (211) is arranged at the bottom of the cavity behind the front pillar (21), a first nut (213) is welded on the first mounting plate (211), and a first bolt (212) passes through the bumper (1) and the first mounting plate (211) and is threadedly connected to the first nut (213).
4. The detachable front bumper of a car according to claim 2, characterized in that: A second nut (216) is provided in a cavity in front of the front pillar (21), through holes are provided in the first partition plate (214) and the bumper (1), and a second bolt (215) passes through the bumper (1) and the first partition plate (214) and is threadedly connected in the front pillar (21).
5. The detachable front bumper of a car according to claim 1, characterized in that: The protective component is a protective rod (23), the protective rod (23) is arranged in parallel with the front pillar (21), a second mounting plate (231) is arranged at the bottom of the protective rod (23), a third nut (233) is welded on the second mounting plate (231), through holes are arranged in the second mounting plate (231) and the bumper (1), a third bolt (232) passes through the bumper (1) and the second mounting plate (231) from below the second mounting plate (231), and is threadedly connected in the third nut (233), a through hole is arranged at the bottom of the front cross beam (22), the shape of the through hole matches the shape of the protective rod (23), and the top of the protective rod (23) is inserted into the through hole of the front cross beam (22).
6. The detachable front bumper of a car according to claim 1, characterized in that: A second partition plate (314) is provided in the side column (31), and the second partition plate (314) divides the side column (31) into two front and rear cavities.
7. The detachable front bumper of a car according to claim 6, characterized in that: A third mounting plate (311) is arranged at the bottom of the cavity behind the side pillar (31), a fourth nut (313) is welded on the third mounting plate (311), matching through holes are arranged on the bumper (1) and the third mounting plate (311), a fourth bolt (312) passes through the bumper (1) and the third mounting plate (311), and is threadedly connected in the fourth nut (313).
8. The detachable front bumper of a car according to claim 6, characterized in that: A fifth nut (316) is welded in the second partition plate (314), a fixing frame (317) is arranged on the inner side of the bumper (1), through holes are arranged in the bumper (1) and the fixing frame (317), and a fifth bolt (315) passes through the fixing frame (317) and the bumper (1) and is threadedly connected in the fifth nut (316).
9. The detachable front bumper of a car according to claim 2, characterized in that: A fourth mounting plate (321) is provided at the end of the side cross beam (32), a sixth nut (323) is welded on the inner side of the side wall of the front pillar (21), a mounting hole (324) is provided in the side cross beam (32), a sixth bolt (322) passes through the fourth mounting plate (321) and the front pillar (21), and is threadedly connected in the sixth nut (323), and there are at least two sixth nuts (323), at least one of which is provided in a cavity in front of the front pillar (21), and at least one is provided in a cavity in rear of the front pillar (21).
10. The detachable front bumper of an automobile according to any one of claims 1 to 9, characterized in that: The front grille (2) and the side grille (3) are made of aluminum alloy.