Adapter beam structure and electric vehicle

Abstract

The application discloses a transfer beam structure and an electric vehicle. The transfer beam structure comprises a connecting frame, at least two connecting assemblies and at least two mounting assemblies. The connecting frame comprises at least three first connecting beams and two second connecting beams extending in the longitudinal direction and spaced apart in the transverse direction, and the upper ends of the connecting frame are used for connecting a vehicle frame. The three first connecting beams extend in the transverse direction and are spaced apart in the longitudinal direction. The two ends of each first connecting beam are connected to the opposite two sides of the two second connecting beams respectively. The two connecting assemblies are mounted on the two second connecting beams respectively. The two connecting assemblies are used for connecting a sub-frame to the lower end of the connecting frame. The two mounting assemblies are mounted on the two second connecting beams respectively and are spaced apart from the two connecting assemblies. The two mounting assemblies are used for mounting two independent suspensions on the two second connecting beams respectively. The application aims to solve the problem that the emergence of various electric drive forms of the existing electric vehicle causes the new suspension to be unable to be matched with the vehicle type.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric vehicles, in particular to a transfer beam structure and an electric vehicle. BACKGROUND

[0002] With the emergence of various forms of electric drive such as central distributed electric drive, the flexible, safe and reliable arrangement of electric drive on the whole vehicle becomes the key. On the one hand, the central distributed electric drive is suitable for independent suspension, so that some non-independent suspension models cannot be matched, and therefore have to be replaced with independent suspension to match the distributed electric drive. On the other hand, when the original suspension is replaced with a new suspension due to the improvement of suspension performance or other reasons, it also cannot be matched with the original model. SUMMARY

[0003] The main purpose of the present application is to provide a transfer beam structure, which aims to solve the problem that the emergence of various forms of electric drive of the existing electric vehicle leads to the inadaptability of the new suspension to the model.

[0004] To achieve the above-mentioned purpose, the present application provides a transfer beam structure, which comprises:

[0005] The connecting frame comprises at least three first connecting beams and two second connecting beams, the two second connecting beams extend longitudinally and are distributed in the transverse direction, and the upper ends of the two second connecting beams are used for connecting the frame, the three first connecting beams extend in the transverse direction and are distributed in the longitudinal direction, and the two ends of each first connecting beam are connected to the opposite two sides of the two second connecting beams, respectively.

[0006] At least two connecting assemblies are installed on the two second connecting beams, respectively, and the two connecting assemblies are used to connect the sub-frame to the lower end of the connecting frame; and

[0007] At least two mounting assemblies are installed on the two second connecting beams, respectively, and are arranged in the transverse direction, the two mounting assemblies are used to mount two independent suspensions on the two second connecting beams, respectively.

[0008] Optionally, each connecting assembly comprises:

[0009] A connecting piece is fixedly installed at the lower end of the second connecting beam, and the lower end surface of the connecting piece is provided with a connecting threaded hole extending in the vertical direction; and

[0010] A connecting bolt is used to pass through the mounting through hole extending in the vertical direction at the sub-frame mounting point structure and is screwed into the connecting threaded hole.

[0011] Optionally, the lower end surface of each second connecting beam is provided with a connecting hole extending in the vertical direction;

[0012] Each of the connecting members comprises:

[0013] a connecting column extending in the up-down direction and fixedly installed in the connecting hole, a first threaded hole being recessed in the lower end surface of the connecting column; and

[0014] a connecting plate, the upper end surface of the connecting plate being connected to the lower end surface of the connecting column and welded to the lower end surface of the second connecting beam, a receiving groove being recessed in the lower end surface of the connecting plate, the receiving groove being used for accommodating the sub-frame mounting point structure, a second threaded hole being recessed in the bottom wall of the receiving groove and communicating with the first threaded hole, the first threaded hole and the second threaded hole together constituting the threaded hole.

[0015] Optionally, the connecting holes are provided in plurality and are spaced apart along the extension direction of each of the second connecting beams, the plurality of connecting holes being used for selectively connecting the sub-frame mounting point structure.

[0016] Optionally, each of the mounting assemblies comprises three mounting members, the three mounting members being spaced apart and mounted to one of the second connecting beams, and being used for arranging corresponding to the longitudinally extending thrust rod, the up-down extending shock-absorbing spring and the up-down extending shock-absorber of the independent suspension to connect the thrust rod, the shock-absorbing spring and the shock-absorber of each of the independent suspensions to the connecting frame.

[0017] Optionally, the mounting member corresponding to the thrust rod is a first mounting member, the first mounting member comprising a first mounting block mounted to the lower end surface of the second connecting beam, a mounting groove being recessed in the lower end surface of the first mounting block, the mounting groove being used for accommodating the end portion of the thrust rod, two mounting surfaces being formed on the lower end surface of the first mounting block on the lateral sides of the slot opening of the mounting groove, the two mounting surfaces being used for screwing the two mounting plates distributed in the lateral direction of the end portion of the thrust rod.

[0018] Optionally, the mounting member corresponding to the shock-absorber is a second mounting member, the second mounting member extending in the lateral direction and being mounted to the opposite side surfaces of the two second connecting beams, the second mounting member being used for penetrating the through hole extending in the lateral direction on the end portion of the shock-absorber.

[0019] Optionally, the mounting member corresponding to the shock-absorbing spring is a third mounting member, the third mounting member being mounted to the lower end surface of the second connecting beam, a limiting groove being recessed in the lower end surface of the third mounting member, the limiting groove being used for accommodating the upper end of the shock-absorbing spring.

[0020] Optionally, the upper end of each of the second connecting beams is further provided with two connecting plates extending in the longitudinal direction and spaced apart in the lateral direction, a groove being defined between the two connecting plates, the groove being used for connecting the frame.

[0021] The application further provides an electric vehicle comprising the adapter beam structure.

[0022] The connecting frame comprises at least three first connecting beams and two second connecting beams, the two second connecting beams extend longitudinally and are spaced apart in the lateral direction, and the upper ends of the two second connecting beams are used for connecting the vehicle frame, and the three first connecting beams each extend in the lateral direction and are spaced apart in the longitudinal direction, and the two ends of each first connecting beam are connected to the opposite sides of the two second connecting beams, respectively.

[0023] The connecting frame further comprises at least two connecting assemblies, which are respectively arranged on the two second connecting beams, and the two connecting assemblies are used for connecting the subframe to the lower end of the connecting frame.

[0024] The connecting frame further comprises at least two mounting assemblies, which are respectively arranged on the two second connecting beams and are spaced apart from the two connecting assemblies, and the two mounting assemblies are used for mounting the two independent suspensions on the two second connecting beams, respectively.

[0025] The three first connecting beams improve the overall stability of the adapter beam structure, so that the structure is more firm and the strength is improved; the upper ends of the two second connecting beams are used for connecting the vehicle frame, the two connecting assemblies are respectively arranged on the two second connecting beams and are used for connecting the subframe to the lower end of the connecting frame, and the two mounting assemblies are respectively arranged on the two second connecting beams and are spaced apart from the two connecting assemblies, and are used for mounting the two independent suspensions on the two second connecting beams, respectively, so that the subframe and the two independent suspensions can be connected to the connecting frame, and the upper end of the connecting frame is used for connecting the vehicle frame, so that when the independent suspension does not match the vehicle model, the subframe, the two independent suspensions and the vehicle frame can be connected together through the adapter beam structure, the matching degree between the vehicle model and the different independent suspensions is improved, the independent suspension can be flexibly adjusted and replaced to improve the performance of the suspension, and the rationality of the electric drive arrangement is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor based on the drawings shown.

[0027] Figure 1 A perspective structural schematic view of an embodiment of the adapter beam structure provided by the present application;

[0028] Figure 2 AFigure 1 A three-dimensional structural diagram from another perspective;

[0029] Figure 3 for Figure 1 A three-dimensional structural diagram from another perspective;

[0030] Figure 4 for Figure 1 A side view diagram;

[0031] Figure 5 for Figure 1 A cross-sectional view of the connecting components in the diagram;

[0032] Figure 6 for Figure 1 A three-dimensional structural diagram of the second connecting beam in the diagram.

[0033] Explanation of icon numbers:

[0034] Reference Name Reference Name 100 Adapter beam structure 313 Mounting surface 1 Connecting frame 32 Second mounting member 11 First connecting beam 33 Third mounting member 12 Second connecting beam 331 Limiting groove 2 Connecting assembly 4 Connecting plate 21 Connecting member 41 Groove 211 Connecting column a Subframe 212 Connecting disc a1 Subframe mounting point structure 22 Connecting bolt b Independent suspension 3 Mounting assembly b1 Push rod 31 First mounting member b2 Damping spring 311 First mounting block b3 Damper 312 Mounting groove b4 Mounting plate

[0035] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0037] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0038] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the scope of protection required by the present application.

[0039] With the emergence of central distributed electric drive and other forms of electric drive, electric drive can be flexibly, safely and reliably arranged on the whole vehicle. On the one hand, the central distributed electric drive is suitable for independent suspension, so that some non-independent suspension models cannot be matched, and therefore have to be replaced with independent suspension to match the distributed electric drive. On the other hand, when the original suspension is replaced with a new suspension due to the improvement of suspension performance or other reasons, it cannot be matched with the original model.

[0040] In view of this, the present application provides a transfer beam structure which can connect independent suspension, frame and subframe together, meet the installation of independent suspension and different models, and meet the rationality of electric drive arrangement, Figures 1 to 6 An embodiment of the transfer beam structure provided by the present application.

[0041] Please refer to Figure 1 The transfer beam structure 100 includes a connecting frame 1, at least two connecting assemblies 2 and at least two mounting assemblies 3. The connecting frame 1 includes at least three first connecting beams 11 and two second connecting beams 12. The two second connecting beams 12 extend longitudinally and are distributed in transverse direction with interval, and the upper ends of the two second connecting beams 12 are used for connecting the frame. The three first connecting beams 11 all extend in transverse direction and are distributed in longitudinal direction with interval. The two ends of each first connecting beam 11 are connected to the opposite two sides of the two second connecting beams 12 respectively. The two connecting assemblies 2 are mounted on the two second connecting beams 12 respectively. The two connecting assemblies 2 are used for connecting the subframe a to the lower end of the connecting frame 1. The two mounting assemblies 3 are mounted on the two second connecting beams 12 respectively and are arranged with interval from the two connecting assemblies 2. The two mounting assemblies 3 are used for mounting the two independent suspensions b on the two second connecting beams 12 respectively.

[0042] The three first connecting beams 11 improve the overall stability of the adapter beam structure 100, making the structure more firm and improving the strength; the upper ends of the two second connecting beams 12 are used for connecting the frame, the two connecting assemblies 2 are respectively installed on the two second connecting beams 12, and are used for connecting the auxiliary frame a to the lower end of the connecting frame 1, the two mounting assemblies 3 are respectively installed on the two second connecting beams 12 and are arranged at intervals with the two connecting assemblies 2, and are used for mounting the two independent suspensions b on the two second connecting beams 12 respectively, so that the auxiliary frame a and the two independent suspensions b can be connected to the connecting frame 1, and the upper end of the connecting frame 1 is used for connecting the frame, so that when the independent suspension b does not match the vehicle type, the auxiliary frame a, the two independent suspensions b and the frame can be connected together through the adapter beam structure 100, improving the matching degree between the vehicle type and the different independent suspensions b, and the independent suspension b can be flexibly adjusted and replaced to improve the suspension performance and ensure the rationality of the electric drive arrangement.

[0043] It should be noted that the number of the first connecting beams is not limited in the present application, as long as the two second connecting beams can be stably connected, and four or five first connecting beams can also be provided to ensure the strength of the adapter beam structure and improve the stability of the connection with the vehicle body and the independent suspension.

[0044] Specifically, in the present embodiment, referring to Figure 3 , each connecting assembly 2 comprises a connecting piece 21 and a connecting bolt 22, the connecting piece 21 is fixedly installed at the lower end of the second connecting beam 12, and the lower end surface of the connecting piece 21 is provided with a threaded hole extending in the up-down direction; the connecting bolt 22 is used to pass through the mounting through hole extending in the up-down direction at the auxiliary frame mounting point structure a1 and is threadedly fixed into the threaded hole. Since the second mounting beam is hollow or I-beam, by fixing the connecting piece 21 at the lower end of the second connecting beam 12 and threadedly fixing the connecting bolt 22 into the threaded hole through the mounting through hole, the auxiliary frame a can be mounted on the connecting frame 1; thus, the structure is simple and stable.

[0045] More specifically, referring to Figures 3 to 5In order to fix the connecting piece 21 to the second connecting beam 12, in the embodiment, the lower end surface of each second connecting beam 12 is provided with a connecting hole extending in the up-down direction; each connecting piece 21 comprises a connecting column 211 and a connecting disc 212, the connecting column 211 extends in the up-down direction and is fixedly installed in the connecting hole, the lower end surface of the connecting column 211 is concavely provided with a first threaded hole; the upper end surface of the connecting disc 212 is connected to the lower end surface of the connecting column 211 and is welded to the lower end surface of the second connecting beam 12, the lower end surface of the connecting disc 212 is concavely provided with a receiving groove for accommodating the sub-frame mounting point structure a1, the bottom wall of the receiving groove is concavely provided with a second threaded hole communicating with the first threaded hole, and the second threaded hole and the first threaded hole jointly constitute the threaded hole. The connecting column 211 is inserted into and welded in the connecting hole, the middle part of the upper end surface of the connecting disc 212 is connected to the lower end surface of the connecting column 211, and the remaining part of the upper end surface of the connecting disc 212 is adhesively welded to the lower end surface of the second connecting beam 12, so that the connecting column 211 can be fixedly installed in the connecting hole; the receiving groove is used to accommodate the sub-frame mounting point structure a1, so that the connecting bolt 22 can be more tightly screwed to the second threaded hole and the first threaded hole through the connecting through hole; in this way, the installation is stable.

[0046] In the embodiment, the connecting hole is provided in multiple numbers and is spaced apart along the extension direction of each second connecting beam 12, and the multiple connecting holes are used to selectively connect the sub-frame mounting point structure a1; in this way, different connecting holes can be selected to connect different sub-frames a according to the vehicle type, and the universality is high.

[0047] It should be noted that, in the embodiment, the sub-frame a mounting point structure a1 is provided with four, and the corresponding connecting assembly 2 is provided with four, two second connecting assemblies 2 are arranged on each second connecting beam 12, and two connecting assemblies 2 of two second connecting beams 12 are oppositely arranged corresponding to the sub-frame a.

[0048] Since the independent suspension b comprises a thrust rod b1 extending in the longitudinal direction, a damping spring b2 extending in the up-down direction, and a damper b3 extending in the up-down direction, in order to install the independent suspension b on the connecting frame 1, in the embodiment, with reference to Figure 3 and Figure 4 each mounting assembly 3 comprises three mounting pieces, the three mounting pieces are spaced apart and mounted on one of the second connecting beams 12, and are used to correspondingly arrange the thrust rod b1 extending in the longitudinal direction, the damping spring b2 extending in the up-down direction, and the damper b3 extending in the up-down direction of the independent suspension b, so as to connect the thrust rod b1, the damping spring b2, and the damper b3 of each independent suspension b to the connecting frame 1.

[0049] Specifically, referring to Figure 2 , the mounting member corresponding to the thrust rod b1 is a first mounting member 31, the first mounting member 31 comprises a first mounting block 311 mounted on the lower end surface of the second connecting beam 12, the lower end surface of the first mounting block 311 is recessed with a mounting groove 312, the mounting groove 312 is used to accommodate the end of the thrust rod b1, and the lower end surface of the first mounting block 311 is formed with two mounting surfaces 313 located on the lateral sides of the slot of the mounting groove 312; the two mounting surfaces 313 are used for the two mounting plates b4 distributed in the lateral direction of the end of the thrust rod b1 to be screwed. Thus, the thrust rod b1 can be connected to the second connecting beam 12, which is simple in structure and stable in installation.

[0050] In this embodiment, referring to Figure 1 , Figure 2 and Figure 4 , the mounting member corresponding to the shock absorber b3 is a second mounting member 32, the second mounting member 32 extends in the lateral direction and is mounted on the opposite sides of the two second connecting beams 12, the second mounting member 32 is used to pass through the through hole extending in the lateral direction on the end of the shock absorber b3, so that the shock absorber b3 is fixedly connected to the second connecting beam 12. In addition, the end of the second mounting member 32 is recessed with a mounting threaded hole extending in the lateral direction, and the second mounting member 32 further comprises a mounting bolt, the mounting bolt is threadedly connected to the mounting threaded hole, and the nut of the mounting bolt abuts against the end of the shock absorber b3, so that the shock absorber b3 is stably mounted on the second connecting beam 12.

[0051] In this embodiment, referring to Figure 3 , the mounting member corresponding to the shock absorbing spring b2 is a third mounting member 33, the third mounting member 33 is mounted on the lower end surface of the second connecting beam 12, and the lower end surface of the third mounting member 33 is recessed with a limiting groove 331, the limiting groove 331 is used to accommodate the upper end of the shock absorbing spring. In this way, the shock absorbing spring b2 can be limited, ensuring that the shock absorbing spring b2 can only move in the up-down direction, ensuring the basic function of the independent suspension b.

[0052] In order to connect the frame, in this embodiment, referring to Figure 6The upper end of each second connecting beam 12 is further provided with two connecting plates 4 extending along the longitudinal direction and arranged along the transverse direction, and a groove 41 is defined between the two connecting plates 4 for connecting a vehicle frame. The groove 41 can be used to fix the longitudinal beam of the vehicle frame, and the material of each connecting plate 4 is high-strength low-carbon alloy structural steel, each connecting plate 4 is used to adapt to the longitudinal beam of the vehicle frame, and the connecting frame 1 further comprises a plurality of triangular supports which are connected to the connecting plates 4 away from the first connecting beam 11 along the longitudinal direction, thereby increasing the rigidity.

[0053] The application further provides an electric vehicle comprising the adapter beam structure 100, and the specific structure of the adapter beam structure 100 is as described above. Since the adapter beam structure 100 adopts all the technical solutions of the above-mentioned embodiments, it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.

[0054] The above-mentioned is only the preferred embodiment of the application, and does not limit the patent scope of the application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or the like within the inventive concept of the application and using the content of the specification and drawings are included in the patent protection scope of the application.

Claims

1. A transfer beam structure, characterized by, The application relates to a connecting frame, at least two connecting assemblies and at least two mounting assemblies. The connecting frame comprises at least three first connecting beams and two second connecting beams, the two second connecting beams longitudinally extend and are transversely spaced, and the three first connecting beams each transversely extend and are longitudinally spaced, and two ends of each first connecting beam are connected to two opposite sides of the two second connecting beams. The at least two connecting assemblies are respectively arranged on the two second connecting beams, and the two connecting assemblies are used to connect a sub-frame to lower ends of the connecting frame. The at least two mounting assemblies are respectively arranged on the two second connecting beams and are spaced from the two connecting assemblies, and the two mounting assemblies are used to respectively mount two independent suspensions on the two second connecting beams. Each mounting assembly comprises three mounting pieces which are spaced on one second connecting beam and are used to correspond to a longitudinally extending thrust rod, an up-down extending damping spring and an up-down extending damper of the independent suspension, so as to connect the thrust rod, the damping spring and the damper of each independent suspension to the connecting frame. Upper ends of each second connecting beam are further provided with two connecting plates which longitudinally extend and are transversely spaced, and a groove is defined between the two connecting plates, and the groove is used to connect a longitudinal beam of a frame.

2. The adapter beam structure of claim 1, wherein, Each connecting assembly comprises: a connecting piece which is fixedly arranged on a lower end of the second connecting beam, and a lower end surface of the connecting piece is provided with a connecting threaded hole which up-down extends; and a connecting bolt which is used to pass through an up-down extending mounting through hole of a sub-frame mounting point structure and is threadedly fixed into the connecting threaded hole.

3. The adapter beam structure of claim 2, wherein, A lower end surface of each second connecting beam is provided with a connecting hole which up-down extends. Each connecting piece comprises: a connecting column which up-down extends and is fixedly arranged in the connecting hole, and a lower end surface of the connecting column is recessed with a first threaded hole; and a connecting disc whose upper end surface is connected to the lower end surface of the connecting column and is welded to the lower end surface of the second connecting beam, and a lower end surface of the connecting disc is recessed with a receiving groove which is used to accommodate the sub-frame mounting point structure, and a bottom wall of the receiving groove is recessed with a second threaded hole which is communicated with the first threaded hole and together forms the connecting threaded hole.

4. The adapter beam structure of claim 3, wherein The connecting hole is provided as a plurality of connecting holes which are spaced along the extending direction of each second connecting beam and are used to selectively connect the sub-frame mounting point structure.

5. The adapter beam structure of claim 1, wherein The mounting piece corresponding to the thrust rod is a first mounting piece which comprises a first mounting block arranged on the lower end surface of the second connecting beam, a lower end surface of the first mounting block is recessed with a mounting groove which is used to accommodate an end portion of the thrust rod, and the lower end surface of the first mounting block is formed with two mounting surfaces which are located on the transverse sides of a slot opening of the mounting groove and are used to screw two mounting plates of the end portion of the thrust rod.

6. The adapter beam structure of claim 1, wherein, The mounting member corresponding to the shock absorber is a second mounting member, which extends in the transverse direction and is mounted on the opposite sides of the two second connecting beams, and is used to pass through the through hole extending in the transverse direction on the end of the shock absorber.

7. The adapter beam structure of claim 1, wherein The mounting member corresponding to the shock absorbing spring is a third mounting member, which is mounted on the lower end surface of the second connecting beam, and the lower end surface of the third mounting member is concavely provided with a limiting groove for containing the upper end of the shock absorbing spring.

8. An electric vehicle, characterized by The adapter beam structure comprises the adapter beam structure as claimed in any one of claims 1-7.

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