Rear suspension support of range extender
By designing the rear suspension bracket of the range extender and using a combination of vertical plates, side plates, flat plates, and stiffeners, the problem of cracking in the rear suspension bracket of the range extender was solved, improving the reliability and service life of the system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI XIRE ENERGY VEHICLE CO LTD
- Filing Date
- 2025-02-13
- Publication Date
- 2026-04-24
AI Technical Summary
The rear suspension bracket of the range extender is prone to cracking under the weight and mechanical load of the range extender. The existing technology only fixes it through the engine rear suspension housing, which leads to excessive stress on the fixing point and poses a reliability risk.
A range extender rear suspension bracket was designed, including a vertical plate, side plate, flat plate and stiffener plate. The engine and generator are fixed by various connection methods (such as bolts, welding and clamps), which enhances the structural stability of the bracket and reduces the stress on the engine mounting point.
It improves the reliability of the range extender mounting system, reduces the risk of engine mount housing cracking, and extends service life.
Smart Images

Figure CN224159162U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, and more specifically, to a range extender rear suspension bracket. Background Technology
[0002] Compared to traditional engines, current range extenders not only include the original engine but also add a generator at the rear of the engine to form a range extender. The entire range extender weighs about 1.6 tons, which puts a lot of stress on the rear suspension bracket. Currently, most range extender models on the market only use the engine's rear suspension housing for fixing the rear suspension bracket, which may cause the engine suspension mounting point housing to crack due to excessive stress.
[0003] Therefore, how to reduce the risk of cracking of the rear suspension bracket of the range extender and improve the reliability of the range extender suspension system has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0004] In view of this, the purpose of this utility model is to provide a rear suspension bracket for a range extender, so as to reduce the risk of cracking of the rear suspension bracket for the range extender and improve the reliability of the range extender suspension system.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A range extender rear suspension bracket, comprising:
[0007] The upright plate can be connected to the engine;
[0008] Side plate, which is connected to the upright plate and is located on one side of the upright plate, can be connected to the generator;
[0009] Flat panel, the flat panel connects the upright panel and the side panel;
[0010] Stiffening ribs connect the vertical slabs and the flat slabs.
[0011] Optionally, in the aforementioned range extender rear suspension bracket, the upright plate is T-shaped, and the upright plate includes an upright plate body and a wing plate connected to the upright plate body. The wing plate is connected to the engine, and the side plate is connected to the upright plate body.
[0012] Optionally, in the aforementioned range extender rear suspension bracket, the side plate is bent.
[0013] Optionally, in the aforementioned range extender rear suspension bracket, the plate includes a first plate and a second plate, the first plate connecting the top of the upright plate and the side plate, and the second plate connecting the bottom of the upright plate and the side plate.
[0014] Optionally, in the aforementioned range extender rear suspension bracket, a stiffener connects the wing plate and the second flat plate. The stiffener includes a first stiffener and a second stiffener, and the first flat plate is disposed between the first stiffener and the side plate.
[0015] Optionally, in the aforementioned range extender rear suspension bracket, the second stiffener includes a second stiffener one and a second stiffener two, with the second stiffener one disposed at the top of the second flat plate and the second stiffener two disposed at the bottom of the second flat plate.
[0016] Optionally, in the aforementioned range extender rear suspension bracket, the width of the second plate gradually increases from the direction closest to the side plate to the direction furthest from the side plate.
[0017] Optionally, in the aforementioned range extender rear suspension bracket, the second plate is provided with a suspension pad mounting hole for connecting a rubber pad.
[0018] Optionally, in the aforementioned range extender rear suspension bracket, weight reduction holes are provided on the upright plate, side plate, and stiffening plate.
[0019] Optionally, in the aforementioned range extender rear suspension bracket, the shape of the weight reduction hole includes at least one of the following: circular, elliptical, square, or rectangular.
[0020] As can be seen from the above solution, the range extender rear suspension bracket disclosed in this utility model has a simple structure. The upright plate can be connected to the engine, and the side plate can be connected to the generator. Compared with the prior art, which is only connected to the engine's rear suspension housing, it can enhance the reliability of the range extender rear suspension bracket, reduce the stress on the engine's rear suspension housing fixing point, reduce the risk of cracking due to insufficient strength, and improve the service life of the range extender rear suspension bracket, thereby improving the reliability of the range extender suspension system. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the structure of the rear suspension bracket of the range extender disclosed in an embodiment of the present utility model;
[0023] Figure 2 This is an assembly diagram of the rear suspension bracket of the range extender disclosed in an embodiment of this utility model.
[0024] Among them, 10 is the vertical plate, 11 is the vertical plate body, 12 is the wing plate, 13 is the engine mounting hole, 20 is the side plate, 21 is the generator mounting hole, 30 is the flat plate, 31 is the first flat plate, 32 is the second flat plate, 321 is the suspension pad mounting hole, 40 is the stiffener, 41 is the first stiffener, 42 is the second stiffener, 421 is the second stiffener one, 422 is the second stiffener two, and 50 is the weight reduction hole;
[0025] 100 represents the engine, and 200 represents the generator. Detailed Implementation
[0026] The core of this utility model is to disclose a rear suspension bracket for a range extender, so as to reduce the risk of cracking of the rear suspension bracket for the range extender and improve the reliability of the range extender suspension system.
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] like Figure 1 and Figure 2 As shown in the figure, this utility model embodiment discloses a range extender rear suspension bracket, including a vertical plate 10, a side plate 20, a flat plate 30, and a stiffening plate 40.
[0029] The upright plate 10 can be connected to the engine 100, the side plate 20 is connected to the upright plate 10 and is located on one side of the upright plate 10, the side plate 20 can be connected to the generator 200, the flat plate 30 connects the upright plate 10 and the side plate 20, and the stiffening plate 40 connects the upright plate 10 and the flat plate 30.
[0030] The upright plate 10 is connected to the engine 100, specifically to the rear suspension housing of the engine 100. This connection can be achieved through bolts, welding, or a clamp, with bolts being the preferred method. The upright plate 10 has engine mounting holes 13. Figure 1 As shown, the number of engine mounting holes 13 includes multiple holes. The side plate 20 and the upright plate 10 can be connected by a detachable connection method, such as by bolts or by adhesive, or by a non-detachable connection method, such as by welding. To improve structural stability, welding is preferred.
[0031] The side plate 20 is connected to the generator 200, specifically to the rear end cover of the generator 200. This connection can be achieved through bolts, welding, or clamps, with bolts being the preferred method. The side plate 20 has multiple generator mounting holes 21. The flat plate 30 can be detachably connected to the vertical plate 10 and the side plate 20, such as by bolts or adhesive, or it can be non-detachably connected, such as by welding. Welding is preferred to improve structural stability. The stiffening plate 40 can also be detachably connected to the vertical plate 10 and the flat plate 30, such as by bolts or adhesive, or it can be non-detachably connected, such as by welding. Welding is preferred.
[0032] The range extender rear suspension bracket disclosed in this utility model embodiment has a simple structure. The upright plate 10 can be connected to the engine 100, and the side plate 20 can be connected to the generator 200. Compared with the prior art, which is only connected to the rear suspension housing of the engine 100, the side plate 20 can be connected to the generator 200, which can enhance the reliability of the range extender rear suspension bracket, reduce the stress on the fixing point of the engine 100 rear suspension housing, reduce the risk of cracking due to insufficient strength, and improve the service life of the range extender rear suspension bracket, thereby improving the reliability of the range extender suspension system.
[0033] Furthermore, such as Figure 1 As shown, the upright plate 10 is approximately T-shaped overall. The upright plate 10 includes an upright plate body 11 and a wing plate 12 connected to the upright plate body 11. The wing plate 12 is connected to the engine 100, specifically, the engine mounting hole 13 is located on the wing plate 12. The side plate 20 is connected to the upright plate body 11. To avoid obstructing the structure of the engine 100, an arc-shaped groove is provided in the middle of the wing plate 12. The side plate 20 is bent. It should be noted that the shapes of the upright plate 10 and the side plate 20 are only examples and can be adapted to meet actual installation requirements.
[0034] Furthermore, such as Figure 1 As shown, the plate 30 includes a first plate 31 and a second plate 32. The first plate 31 connects the top of the upright plate 10 and the top of the side plate 20, and the second plate 32 connects the bottom of the upright plate 10 and the bottom of the side plate 20 to enhance structural stability.
[0035] Furthermore, such as Figure 1As shown, stiffener 40 connects wing plate 12 and second flat plate 32. Stiffener 40 includes a first stiffener 41 and a second stiffener 42. The first flat plate 31 is disposed between the first stiffener 41 and the side plate 20, and the first stiffener 41 is generally trapezoidal in shape. It should be noted that, to enhance the structural stability of the range extender's rear suspension bracket, a third stiffener can also be provided between the side plate 20 and the first flat plate 31 and the second flat plate 32. The arrangement of the first stiffener 41 and the second stiffener 42 can enhance the structural stability of the range extender's rear suspension bracket.
[0036] Furthermore, such as Figure 1 As shown, the second stiffener 42 includes a first stiffener 421 and a second stiffener 422. The first stiffener 421 is disposed on the top of the second flat plate 32. The shape of the first stiffener 421 is triangular or trapezoidal, and there is at least one of them. The second stiffener 422 is disposed on the bottom of the second flat plate 32. The shape of the second stiffener 422 is triangular or trapezoidal, and there is at least one of it. The figure shows that there are two second stiffeners 422.
[0037] Furthermore, in order to install the first stiffener 41 and the second stiffener 42, the width of the second flat plate 32 gradually increases from the direction near the side plate 20 to the direction away from the side plate 20, and the transition position is an arc transition.
[0038] Furthermore, such as Figure 1 As shown, in order to connect the rubber pad, the second plate 32 is provided with a suspension pad mounting hole 321, and the number of suspension pad mounting holes 321 can be one, two, three or more.
[0039] Furthermore, to reduce the weight of the rear suspension bracket of the range extender, weight-reducing holes 50 are provided on the upright plate 10, side plate 20, and stiffening plate 40. The shape of the weight-reducing holes 50 includes at least one of the following: circular, elliptical, square, or rectangular. Figure 1 The weight-reducing holes 50 on the upright plate 10 are elliptical in shape, while the weight-reducing holes 50 on the side plate 20 and the stiffening plate 40 are circular. Specifically, the weight-reducing holes 50 are located on the first stiffening plate 41. It should be noted that the specific shape and number of weight-reducing holes 50 can be adjusted according to actual needs.
[0040] It should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0041] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
[0042] Unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.
[0043] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the core ideas of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principles of this utility model, and these improvements and modifications also fall within the protection scope of the claims of this utility model.
Claims
1. A range extender rear suspension bracket, characterized in that, include: An upright plate (10) is available for connection to an engine (100); Side plate (20), the side plate (20) is connected to the vertical plate (10) and is disposed on one side of the vertical plate (10), the side plate (20) can be connected to the generator (200); A flat plate (30) is provided, which connects the upright plate (10) and the side plate (20). A stiffening plate (40) connects the vertical plate (10) and the flat plate (30).
2. The range extender rear suspension bracket of claim 1, wherein, The upright plate (10) is T-shaped. The upright plate (10) includes an upright plate body (11) and a wing plate (12) connected to the upright plate body (11). The wing plate (12) is connected to the engine (100). The side plate (20) is connected to the upright plate body (11).
3. The range extender rear suspension bracket of claim 2, wherein, The side plate (20) is bent.
4. The range extender rear suspension bracket of claim 2, wherein, The plate (30) includes a first plate (31) and a second plate (32). The first plate (31) connects the top of the upright plate (10) to the side plate (20), and the second plate (32) connects the bottom of the upright plate (10) to the side plate (20).
5. The range extender rear suspension bracket of claim 4, wherein, The stiffener (40) connects the wing plate (12) and the second flat plate (32). The stiffener (40) includes a first stiffener (41) and a second stiffener (42). The first flat plate (31) is disposed between the first stiffener (41) and the side plate (20).
6. The range extender rear suspension bracket of claim 5, wherein, The second stiffener (42) includes a second stiffener one (421) and a second stiffener two (422). The second stiffener one (421) is disposed at the top of the second flat plate (32), and the second stiffener two (422) is disposed at the bottom of the second flat plate (32).
7. The range extender rear suspension bracket of claim 6, wherein, The width of the second plate (32) gradually increases from the direction close to the side plate (20) to the direction away from the side plate (20).
8. The range extender rear suspension bracket of claim 4, wherein, The second plate (32) is provided with a suspension pad mounting hole (321) for connecting the rubber pad.
9. The range extender rear suspension bracket of claim 1, wherein, Weight reduction holes (50) are provided on the upright plate (10), the side plate (20) and the stiffening plate (40).
10. The range extender rear suspension bracket of claim 9, wherein, The shape of the weight reduction hole (50) includes at least one of the following: circular, elliptical, square, or rectangular.