Auxiliary frame and vehicle

Abstract

The utility model discloses an auxiliary frame and a vehicle. The auxiliary frame comprises an auxiliary frame body and a frame, and the frame is detachably connected with the auxiliary frame body so that the size of the auxiliary frame in the length direction can be adjusted. When the frame is connected with the auxiliary frame body, the auxiliary frame is a full-frame type auxiliary frame; when the frame is not connected with the auxiliary frame body, the auxiliary frame is a non-full-frame type auxiliary frame. When a full-frame type auxiliary frame needs to be developed for different vehicle types, on the basis of the auxiliary frame body, the auxiliary frame body serves as a platform piece, and the frame and the auxiliary frame body are connected, so that the full-frame type auxiliary frame is obtained. When a non-full-frame type auxiliary frame is needed, the frame can be detached from the auxiliary frame body to form the non-full-frame type auxiliary frame. Therefore, repeated development of auxiliary frames of various models and sizes can be avoided, the development cost is saved, and the development period is shortened. The vehicle comprises the auxiliary frame. The utility model is applied to the technical field of vehicle parts.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle components, and in particular to a subframe and a vehicle. Background Art

[0002] In the vehicle field, some vehicles are equipped with a subframe to support suspension structures such as engines and motors, and to block vibration and noise from entering the vehicle compartment. Generally, the suspension structures such as engines and motors can be first fixed on the subframe to form an assembly, and then installed on the vehicle body together.

[0003] Subframes are generally divided into full-frame subframes and non-full-frame subframes. Full-frame subframes are relatively large in size, which is convenient for installing axles and suspension systems, and can provide stronger load-bearing performance and more support points, but they are heavy and have higher material costs. Non-full-frame subframes are generally called semi-frame subframes. Non-full-frame subframes are relatively small in size and weight, which is conducive to lightweight design and has lower material costs. Different models have different requirements for the type and size of subframes, so different types and sizes of subframes need to be developed for different models, which increases development costs and development time. Utility Model Content

[0004] The present application aims to solve at least one of the above technical problems in the prior art to a certain extent. To this end, the first embodiment of the present application provides a subframe that can meet the design requirements of different vehicle models, thereby saving development costs and development time.

[0005] A second embodiment of the present application provides a vehicle having the above-mentioned subframe.

[0006] The sub-frame according to the first embodiment of the present application includes: a sub-frame body; and a frame, wherein the frame is detachably connected to the sub-frame body to adjust the size of the sub-frame in the length direction.

[0007] Based on the above technical solution, the embodiment of the present application has at least the following beneficial effects: the frame and the sub-frame body are detachably connected, and the length of the sub-frame can be adjusted by disassembling the frame, so that the sub-frame in the embodiment of the present application can adapt to the design requirements of different vehicle models, which can reduce development costs and development time.

[0008] According to the sub-frame of the first aspect of the present application, the frame includes a first beam and two second beams, the first beam is parallel to the sub-frame body, one end of the second beam is detachably connected to the sub-frame body, and the other end of the second beam is connected to the first beam.

[0009] According to the sub-frame of the first aspect of the present application, the second beam is detachably connected to the sub-frame body by bolts.

[0010] According to the sub-frame of the embodiment of the first aspect of the present application, the second beam is telescopically arranged so that the length of the sub-frame is adjustable.

[0011] According to the sub-frame of the first aspect of the present application, the second beam includes a first rod and a second rod that are coaxially arranged, and the first rod is provided with a plurality of first connecting portions at intervals along its length direction, and one end of the second rod can be detachably connected to any of the first connecting portions to adjust the length of the sub-frame.

[0012] According to the sub-frame of the embodiment of the first aspect of the present application, the second rod is sleeved outside the first rod, and the first rod can move relative to the second rod along the length direction of the second rod.

[0013] According to the sub-frame of the embodiment of the first aspect of the present application, a fragile portion is formed on the second beam, and the fragile portion is used as a trigger point when the sub-frame is folded.

[0014] According to the first aspect of the present application, the sub-frame further includes a protection beam, which is mounted on the sub-frame body or the frame, and is used to protect a battery of the vehicle.

[0015] According to the subframe of the first aspect of the present application, the protective beam is installed below the subframe body, and the protective beam is located in front of the battery along the driving direction of the vehicle, and the distance from the bottom of the battery to the ground is greater than the distance from the bottom of the protective beam to the ground.

[0016] The vehicle according to the second embodiment of the present application includes the above-mentioned subframe and a vehicle body, and the subframe is installed on the vehicle body.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application is further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 It is a structural schematic diagram of the sub-frame when the frame is connected to the sub-frame body in the embodiment of the present application;

[0020] Figure 2 This is a schematic diagram of the structure of the auxiliary frame body in the embodiment of the present application;

[0021] Figure 3This is a schematic diagram of the structure of the framework in the embodiment of the present application;

[0022] Figure 4 An exploded view of the sub-frame when the frame is connected to the sub-frame body in the embodiment of the present application;

[0023] Figure 5 Schematic diagram of the structure of the first rod of the second beam in the embodiment of the present application.

[0024] Reference numerals:

[0025] Sub-frame body 100 , first connection hole 110 , bolt 120 ; frame 200 , first beam 210 , second beam 220 , first rod 221 , second connection hole 2211 , ridge 2212 , second rod 222 , fragile portion 223 ; protection beam 300 . DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the present application. The preferred embodiments of the present application are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present application, but it cannot be understood as a limitation on the scope of protection of the present application.

[0027] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0028] In the description of this application, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of this application, unless otherwise clearly defined, words such as setting and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above words in this application based on the specific content of the technical solution.

[0030] The technical solution of the present application will be further described below in conjunction with embodiments and drawings.

[0031] It can be understood that in the embodiments of the present application, the positive direction of the Z axis in the drawings is taken as the top, and the negative direction of the Z axis is taken as the bottom.

[0032] See also Figure 1 and Figure 2 The first aspect of the present application provides a subframe that can adapt to the design requirements of different vehicle models, thereby saving development costs and time.

[0033] The sub-frame includes a sub-frame body 100 and a frame 200 . The frame 200 is detachably connected to the sub-frame body 100 to adjust the length of the sub-frame.

[0034] Alternatively, see Figure 1 When the frame 200 is connected to the sub-frame body 100, the sub-frame forms a full-frame sub-frame; see Figure 2 , when the frame 200 is not connected to the sub-frame body 100, the sub-frame is formed as a non-full-frame sub-frame. Therefore, when a full-frame sub-frame is required, the frame 200 can be connected to the sub-frame body 100 to form a full-frame sub-frame. In other words, when a full-frame sub-frame needs to be developed for different vehicle models, the sub-frame body 100 can be used as a platform member on the basis of the sub-frame body 100 (non-full-frame sub-frame), and the frame 200 and the sub-frame body 100 are connected to obtain a full-frame sub-frame. When a non-full-frame sub-frame is required, the frame 200 can be removed from the sub-frame body 100 to form a non-full-frame sub-frame. By setting the frame 200 to be connected to the sub-frame body 100, a larger sub-frame can be obtained in the direction of vehicle travel, that is, the frame 200 is connected to the sub-frame body 100 to increase the length of the sub-frame, meeting the design and manufacturing requirements of a larger sub-frame. When a sub-frame of a smaller size is required, the sub-frame body 100 is used to directly form a non-full-frame sub-frame without connecting the frame 200. The sub-frame length is adjusted in this way, which helps to avoid repeated development of sub-frames of various models and sizes, saves development costs, shortens the development cycle, and is simple to operate.

[0035] Optionally, in some embodiments, the sub-frame body 100 is provided with a first mounting portion and a second mounting portion (not shown in the drawings), the first mounting portion is used to mount vehicle components, and the second mounting portion is used to mount the sub-frame body 100 on the vehicle body, so that the sub-frame body 100 can be used as a non-full-frame sub-frame. The frame 200 is provided with a third mounting portion and a fourth mounting portion (not shown in the drawings), the third mounting portion is used to mount vehicle components, and the fourth mounting portion is used to mount the frame 200 on the vehicle body. When the frame 200 is connected to the sub-frame body 100 to be used as a full-frame sub-frame, the full-frame sub-frame can mount vehicle components through the first mounting portion and the third mounting portion, providing more mounting points and mounting space; the full-frame sub-frame is mounted on the vehicle body through the second mounting portion and the fourth mounting portion, providing stronger load-bearing performance.

[0036] Optionally, the vehicle component may be a motor, an engine, a suspension system, a front and rear axle, or other vehicle component, and no specific limitation is given herein.

[0037] It is understandable that frames of different sizes, models and structures can be selected according to actual needs, and no specific limitation is made here.

[0038] For example, see Figure 1 and Figure 3 The frame 200 includes a first beam 210 and two second beams 220. The first beam 210 is parallel to the sub-frame body 100. The two second beams 220 are respectively arranged on both sides of the sub-frame body 100, and one end of the second beam 220 is detachably connected to the sub-frame body 100, and the other end of the second beam 220 is connected to the first beam 210.

[0039] Optionally, in some embodiments, the first beam 210 may be integrally formed with the second beam 220. Optionally, in other embodiments, the first beam 210 may also be connected to the second beam 220 by fastening bolts, fastening screws or other fasteners, or by welding, which is not specifically limited herein.

[0040] Optionally, in some embodiments, see Figure 1 and Figure 3 The second beam 220 is detachably connected to the sub-frame body 100 via bolts 120 .

[0041] For example, see Figure 2 and Figure 4 , the two ends of the sub-frame body 100 are provided with first connection holes 110, the two second beams 220 are provided with second connection holes 2211 at the ends away from the first beam 210, and the bolts 120 are passed through the first connection holes 110 and the corresponding second connection holes 2211 to install the second beams 220 on the sub-frame body 100. Optionally, the two ends of the sub-frame body 100 are respectively provided with two first connection holes 110, and each second beam 220 is also provided with two second connection holes 2211 at the end away from the first beam 210.

[0042] It can be understood that the specific number and specific location of the first connection holes 110 and the second connection holes 2211 can be set according to actual needs and are not specifically limited here.

[0043] Of course, the second beam 220 can also be detachably connected to the sub-frame body 100 through a snap-fit ​​structure, a mortise and tenon structure, etc., which will not be elaborated herein.

[0044] Optionally, in some embodiments, the second beam 220 can be telescopically arranged to make the length of the sub-frame adjustable, thereby meeting the requirements of different front overhang lengths without having to redevelop and design a new sub-frame, which can save cost and time.

[0045] For example, see Figure 4 The second beam 220 includes a first rod 221 and a second rod 222 that are coaxially arranged. The first rod 221 is provided with a plurality of first connecting portions (not shown in the drawings) spaced apart along its length direction. One end of the second rod 222 can be detachably connected to any first connecting portion to adjust the length of the sub-frame.

[0046] Optionally, a second connecting portion (not shown in the drawings) is provided at one end of the second rod 222, and the second connecting portion can be detachably connected to any first connecting portion, and the length of the sub-frame can be adjusted by connecting the second connecting portion to different first connecting portions.

[0047] It is understandable that the second connection part can be provided as one or more, and when the second connection part is provided as multiple, the multiple second connection parts can be arranged at intervals along the length direction of the second rod 222. The specific number and specific arrangement positions of the first connection part and the second connection part can be arranged according to actual needs, and no specific limitation is made here.

[0048] Optionally, in some embodiments, the first rod 221 is provided with a second connection hole 2211 at one end away from the second rod 222 to be detachably connected to the sub-frame body 100 , and the second rod 222 is connected to one end of the first beam 210 at one end away from the first rod 221 .

[0049] Optionally, in some embodiments, the second rod 222 is sleeved outside the first rod 221, and the first rod 221 can move relative to the second rod 222 along the length direction of the second rod 222. When the length of the sub-frame needs to be adjusted, the first rod 221 can be relatively moved along the length direction of the second rod 222 to a preset position, and then the first connecting portion on the first rod 221 is connected and fixed to the second connecting portion on the second rod 222, so that a full-frame sub-frame with a preset length can be obtained.

[0050] Optionally, in some embodiments, the first connection portion is a first through hole, and the second connection portion is a second through hole. By inserting a fastener through the first through hole and the second through hole, the first rod 221 and the second rod 222 can be fixedly connected. Exemplarily, the fastener is a fastening bolt. Of course, the fastener can also be a fastening screw, a pin, or other fasteners, which are not specifically limited here.

[0051] Of course, the first connection portion and the second connection portion may also be connected by other detachable connection methods such as snap connection, which is not specifically limited here.

[0052] Optionally, in some embodiments, a fragile portion 223 is formed on the second beam 220 , and the fragile portion 223 is used as a trigger point when the sub-frame flips over.

[0053] It is understandable that when the vehicle collides, under the impact of the collision, the fragile portion 223 on the second beam 220 can serve as a trigger point for the subframe to fold, so that the subframe can fold downward. In other words, the subframe can absorb part of the collision energy and fold, changing the collision deformation mode of the subframe, and can effectively reduce the impact of the collision impact force, increase the crushing space, and help enhance the collision safety of the vehicle and ensure the safety of people in the vehicle passenger compartment.

[0054] Optionally, the fragile portion 223 may be formed on the first rod 221 of the second beam 220, or may be formed on the second rod 222 of the second beam 220. Optionally, the fragile portion 223 may be provided as one or more. It is understood that the specific position and specific number of the fragile portion 223 may be provided according to actual needs, and no specific limitation is made here.

[0055] For example, a general oil truck has relatively low requirements for lightweight, and can use an iron subframe. The deformation mode of iron material is relatively clear. When the subframe in the embodiment of the present application is applied to an oil truck, the second beam 220 can be set to a single-point bend, wherein the single-point bend refers to setting a fragile portion 223 at one place on the second beam 220 as a trigger point for the subframe to fold over. Generally, electric vehicles have relatively high requirements for lightweight, and mostly use aluminum subframes. The deformation mode of aluminum is relatively variable and difficult to control. When the subframe in the embodiment of the present application is applied to an electric vehicle, the second beam 220 can be set to a multi-point bend, wherein the multi-point bend refers to setting fragile portions 223 at multiple places on the second beam 220, so that the subframe has multiple trigger points for folding.

[0056] Optionally, in some embodiments, the fragile portion 223 is a point-shaped notch.

[0057] For example, see Figure 4 and Figure 5The first rod 221 and the second rod 222 of the second beam 220 are both rectangular parallelepipeds. The first rod 221 of the second beam 220 has four edges 2212 extending along its length direction. The two upper edges 2212 are respectively provided with dot-shaped notches, and the dot-shaped notches on the two upper edges 2212 are symmetrically arranged at one end close to the second rod 222. Optionally, the two lower edges 2212 may also be provided with dot-shaped notches, and the dot-shaped notches on the two lower edges 2212 are symmetrically arranged at one end close to the sub-frame body 100. It can be understood that the size of the dot-shaped notches is much smaller than the size of the second beam 220.

[0058] Of course, the fragile portion 223 can also be set as a strip-shaped notch or other forms of fragile portion 223, which is not specifically limited here. Exemplarily, the fragile portion 223 can also be a strip-shaped notch, and the strip-shaped notch can extend along the width direction of the second beam 220. Optionally, the strip-shaped notch is linear. Of course, the strip-shaped notch can also be set as other shapes such as a curve shape, a sawtooth shape, etc., which is not specifically limited here.

[0059] Optionally, in some embodiments, the sub-frame further includes a protection beam 300 , which is mounted on the sub-frame body 100 or the frame 200 , and the protection beam 300 is used to protect the battery of the vehicle.

[0060] It can be understood that the battery of a vehicle is generally arranged below the vehicle body and behind the subframe along the driving direction of the vehicle.

[0061] Alternatively, see Figure 4 The protection beam 300 is parallel to the sub-frame body 100, and the protection beam 300 is installed below the sub-frame body 100. The protection beam 300 is located in front of the battery along the driving direction of the vehicle, and the distance from the bottom of the battery to the ground is greater than the distance from the bottom of the protection beam 300 to the ground.

[0062] During the driving process of the vehicle, if there is a raised obstacle on the road surface, since the distance from the bottom of the battery to the ground is greater than the distance from the bottom of the protection beam 300 to the ground, the protection beam 300 will collide with the raised obstacle before the battery, thereby reducing the impact force of the battery collision and protecting the battery. If the head of the vehicle collides with an obstacle, for example, the head of the vehicle collides with a curb, at this time, since the protection beam 300 is arranged in front of the battery along the driving direction of the vehicle, the protection beam 300 will also collide with obstacles such as curbs before the battery, thereby reducing the impact force of the battery collision and protecting the battery.

[0063] It is understandable that the specific location and number of the protection beam 300 can be set according to actual needs and are not specifically limited here.

[0064] Other structures and operations of the subframe according to the embodiment of the first aspect of the present application are known to ordinary technicians in the field and will not be described in detail here.

[0065] A second aspect of the present application provides a vehicle, which includes the subframe of the first aspect of the present application, and also includes vehicle components and a vehicle body, wherein the vehicle components are mounted on the subframe, and the subframe is mounted on the vehicle body.

[0066] Other structures and operations of the vehicle according to the embodiment of the second aspect of the present application are known to ordinary technicians in the field and will not be described in detail here.

[0067] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present application.

Claims

1. A subframe, characterized in that: include: Subframe body; A frame is detachably connected to the sub-frame body to adjust the length of the sub-frame, the frame includes a first beam and two second beams, the first beam is parallel to the sub-frame body, one end of the second beam is detachably connected to the sub-frame body, and the other end of the second beam is connected to the first beam.

2. The subframe according to claim 1, characterized in that: The second beam is detachably connected to the sub-frame body by bolts.

3. The subframe according to claim 1, characterized in that: The second beam is telescopically arranged so that the length of the sub-frame can be adjusted.

4. The subframe according to claim 3, characterized in that: The second beam includes a first rod and a second rod arranged coaxially, the first rod is provided with a plurality of first connecting parts spaced apart along its length direction, and one end of the second rod can be detachably connected to any of the first connecting parts to adjust the length of the sub-frame.

5. The subframe according to claim 4, characterized in that: The second rod is sleeved outside the first rod, and the first rod can move relative to the second rod along the length direction of the second rod.

6. The subframe according to claim 1, characterized in that: A fragile portion is formed on the second beam, and the fragile portion is used as a trigger point when the sub-frame is folded.

7. The subframe according to claim 1, characterized in that: It also includes a protection beam, which is installed on the sub-frame body or the frame and is used to protect the battery of the vehicle.

8. The subframe according to claim 7, characterized in that: The protection beam is installed below the sub-frame body, and the protection beam is located in front of the battery along the driving direction of the vehicle, and the distance from the bottom of the battery to the ground is greater than the distance from the bottom of the protection beam to the ground.

9. A vehicle, characterized in that: The vehicle comprises the subframe according to any one of claims 1 to 8, and further comprises a vehicle body, wherein the subframe is mounted on the vehicle body.

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