Frame structure and vehicle

Abstract

This utility model discloses a vehicle frame structure and a vehicle. The vehicle frame structure includes an outer frame, an inner frame, an upper support beam, and a lower support beam. The outer frame includes an upper outer longitudinal beam, an outer middle pillar, an outer rear pillar, a lower outer longitudinal beam, and an outer support base. The inner frame is disposed on one side of the outer frame. One end of the upper support beam is connected to the upper outer longitudinal beam, and the other end of the upper support beam is connected to the upper part of the inner frame. One end of the lower support beam is connected to the lower outer longitudinal beam, and the other end of the lower support beam is connected to the lower part of the inner frame. This vehicle frame structure offers convenient and accurate positioning.

Description

Technical Field

[0001] This utility model relates to a vehicle frame structure and a vehicle. Background Technology

[0002] Currently, the most common methods for connecting and fixing vehicle frame structures are fastener securing and welding. Using fasteners may result in structural instability due to insufficient or inappropriate fastener selection in certain areas, or increased costs due to excessive or overly specialized fasteners. Welding technology has a low degree of automation, making it difficult to guarantee weld quality. Both of these methods present challenges in positioning the various parts of the frame structure, easily leading to low positioning accuracy and inconsistent quality during actual production. Utility Model Content

[0003] In view of this, one objective of this utility model is to provide a frame structure that is convenient and accurate in positioning. Another objective of this utility model is to provide a vehicle.

[0004] The present invention achieves the above objectives by adopting the following technical solution.

[0005] On the one hand, this utility model provides a vehicle frame structure, including an outer frame, an inner frame, an upper support beam, and a lower support beam;

[0006] The outer frame includes an upper outer longitudinal beam, an outer middle pillar, an outer rear pillar, a lower outer longitudinal beam, and an outer support base;

[0007] The top of the outer support seat is provided with a first support seat groove tenon, and one side of the outer support seat is provided with a second support seat groove tenon.

[0008] A first lower outer longitudinal beam mortise is provided in the middle of the lower outer longitudinal beam, and a second lower outer longitudinal beam mortise is provided at one end of the lower outer longitudinal beam; the second support seat tenon extends into the second lower outer longitudinal beam mortise, thereby connecting the lower outer longitudinal beam to the outer support seat; the outer support seat is located in the length direction of the lower outer longitudinal beam.

[0009] The upper outer longitudinal beam is disposed above the lower outer longitudinal beam, a first upper outer longitudinal beam mortise is disposed in the middle of the upper outer longitudinal beam, and a second upper outer longitudinal beam mortise is disposed at one end of the upper outer longitudinal beam.

[0010] The outer middle column is provided with a first middle column dovetail tenon and a second middle column dovetail tenon at both ends; the first middle column dovetail tenon extends into the first upper outer longitudinal beam mortise, thereby connecting the outer middle column and the upper outer longitudinal beam; the second middle column dovetail tenon extends into the first lower outer longitudinal beam mortise, thereby connecting the outer middle column and the lower outer longitudinal beam.

[0011] One end of the outer tail post is provided with a tail post dovetail tenon, and the other end of the outer tail post is provided with a tail post mortise; the tail post dovetail tenon extends into the mortise of the second upper outer longitudinal beam, thereby connecting the outer tail post to the upper outer longitudinal beam; the first support seat slot tenon extends into the tail post mortise, thereby connecting the tail post and the outer support seat;

[0012] The inner frame is disposed on one side of the outer frame;

[0013] One end of the upper support beam is connected to the upper outer longitudinal beam, and the other end of the upper support beam is connected to the upper part of the inner frame.

[0014] One end of the lower support beam is connected to the lower outer longitudinal beam, and the other end of the lower support beam is connected to the lower part of the inner frame.

[0015] In some implementations, the upper outer longitudinal beam is substantially parallel to the lower outer longitudinal beam.

[0016] In some implementations, the outer middle column is substantially perpendicular to the upper outer longitudinal beam.

[0017] In some implementations, the outer tail post is substantially parallel to the outer middle post.

[0018] In some embodiments, the upper support beam is connected to the upper inner longitudinal beam. Specifically, the upper support beam is connected to the middle of the upper inner longitudinal beam.

[0019] In some implementations, the upper support beam is connected to the middle of the upper outer longitudinal beam.

[0020] In some embodiments, the lower support beam is connected to the lower inner longitudinal beam. Specifically, the lower support beam is connected to the end of the lower inner longitudinal beam near the inner lower support seat.

[0021] In some embodiments, the lower support beam is connected to the end of the lower outer longitudinal beam near the outer support seat.

[0022] According to the frame structure of this utility model, preferably, the inner frame includes an upper inner longitudinal beam, an inner column, a lower inner longitudinal beam, an inner lower support seat, and a shock-absorbing support structure;

[0023] The inner lower support includes an inner lower support body and an inner lower support connecting part; the first side of the inner lower support connecting part is connected to the side wall of the inner lower support body, and the included angle between the inner lower support connecting part and the inner lower support body is an obtuse angle; a support body tenon is provided on the upper surface of the inner lower support body, and a support connecting tenon is provided on the second side of the inner lower support connecting part; the first side and the second side of the inner lower support connecting part are arranged opposite to each other.

[0024] One end of the inner column is provided with an inner column mortise, and the groove tenon of the support body extends into the inner column mortise, thereby connecting the inner column to the inner lower support.

[0025] The end of the upper inner longitudinal beam is connected to the end of the inner column away from the inner lower support.

[0026] One end of the lower inner longitudinal beam is provided with a lower inner longitudinal beam mortise, and the groove tenon of the support base connecting part extends into the lower inner longitudinal beam mortise, thereby connecting the lower inner longitudinal beam to the inner lower support base.

[0027] The shock-absorbing support structure is disposed in the area defined by the upper inner longitudinal beam, the inner column and the lower inner longitudinal beam, and the shock-absorbing support structure is connected to the upper inner longitudinal beam, the inner column and the lower inner longitudinal beam respectively.

[0028] In some implementations, the upper inner longitudinal beam is substantially perpendicular to the inner column.

[0029] In some implementations, the lower inner longitudinal beam is substantially parallel to the upper inner longitudinal beam.

[0030] According to the frame structure of this utility model, preferably, the inner frame further includes an inner upper support seat and an auxiliary seat;

[0031] The inner upper support includes a connected inner upper support body and an inner upper support connecting part; the inner upper support connecting part is provided with an opening groove structure, and the end of the upper inner longitudinal beam connected to the inner column is located in the opening groove and fixed to the inner upper support connecting part.

[0032] The accessory seat is fixed to the side wall of the inner lower support seat.

[0033] According to the frame structure of this utility model, preferably, the shock-absorbing support structure includes a shock-absorbing support body, an inner column connecting column, a first upper inner longitudinal beam connecting column, a second upper inner longitudinal beam connecting column, and a lower inner longitudinal beam connecting column.

[0034] The shock-absorbing support body is provided with a first shock-absorbing support groove tenon, a second shock-absorbing support groove tenon, a third shock-absorbing support groove tenon and a fourth shock-absorbing support groove tenon.

[0035] One end of the inner column connecting column is provided with an inner column connecting column mortise, and the other end of the inner column connecting column is connected to the inner column; the first shock-absorbing support groove tenon extends into the inner column connecting column mortise, thereby connecting the inner column to the shock-absorbing support body.

[0036] One end of the first upper inner longitudinal beam connecting column is provided with a first upper inner longitudinal beam connecting column mortise, and the other end of the first upper inner longitudinal beam connecting column is connected to the upper inner longitudinal beam; the second shock-absorbing support groove tenon extends into the first upper inner longitudinal beam connecting column mortise, thereby connecting the first upper inner longitudinal beam connecting column to the shock-absorbing support body.

[0037] One end of the second upper inner longitudinal beam connecting column is provided with a second upper inner longitudinal beam connecting column mortise, and the other end of the second upper inner longitudinal beam connecting column is connected to the upper inner longitudinal beam; the third shock-absorbing support groove tenon extends into the second upper inner longitudinal beam connecting column mortise, thereby connecting the second upper inner longitudinal beam connecting column to the shock-absorbing support body.

[0038] One end of the lower inner longitudinal beam connecting column is provided with a lower inner longitudinal beam connecting column mortise, and the other end of the lower inner longitudinal beam connecting column is connected to the lower inner longitudinal beam; the fourth shock-absorbing support groove tenon extends into the lower inner longitudinal beam connecting column mortise, thereby connecting the lower inner longitudinal beam connecting column to the shock-absorbing support body.

[0039] According to the frame structure of this utility model, preferably, a first central column bracket and a second central column bracket are respectively provided on both sides of the outer central column; the first central column bracket and the second central column bracket fix the outer central column to the upper outer longitudinal beam;

[0040] The outer tail post is provided with a tail post bracket on the side near the outer middle post, and the tail post bracket fixes the tail post to the upper outer longitudinal beam.

[0041] According to the frame structure of this utility model, preferably, it also includes a reinforcing guard plate;

[0042] The reinforcing guard plate is installed on the outer periphery of the first upper inner longitudinal beam connecting column and the second upper inner longitudinal beam connecting column, and is fixed to the first upper inner longitudinal beam connecting column, the second upper inner longitudinal beam connecting column and the upper inner longitudinal beam by rivets.

[0043] According to the frame structure of this utility model, preferably, the dovetail tenon of the second middle column is welded and fixed to the first lower outer longitudinal beam;

[0044] The second lower outer longitudinal beam is welded and fixed to the second support seat groove tenon;

[0045] The first support seat groove tenon is welded and fixed to the tail column mortise.

[0046] According to the frame structure of this utility model, preferably, the inner column mortise is welded and fixed to the groove tenon of the support seat body;

[0047] The groove tenon of the support base connection part is welded and fixed to the mortise of the lower inner longitudinal beam.

[0048] According to the frame structure of this utility model, preferably, the inner column connecting post mortise and the first shock-absorbing support slot tenon are fixed by rivets;

[0049] The first upper inner longitudinal beam connecting column mortise and the second shock-absorbing support slot tenon are fixed by rivets;

[0050] The first upper inner longitudinal beam connecting column is fixed to the upper inner longitudinal beam by rivets;

[0051] The second upper inner longitudinal beam connecting column mortise and the third shock-absorbing support slot tenon are fixed by rivets;

[0052] The second upper inner longitudinal beam connecting column is fixed to the upper inner longitudinal beam by rivets;

[0053] The lower inner longitudinal beam connecting column mortise and the fourth shock-absorbing support slot tenon are fixed by rivets.

[0054] In some implementations, the inner column connecting column is welded and fixed to the inner column.

[0055] In some embodiments, the lower inner longitudinal beam connecting column is welded and fixed to the lower inner longitudinal beam.

[0056] On the other hand, this utility model provides a vehicle including the aforementioned frame structure. The vehicle can be selected from tracked vehicles and wheeled vehicles. Wheeled vehicles include rail-wheeled vehicles and ordinary wheeled vehicles. Rail-wheeled vehicles include, for example, train locomotives, high-speed trains, railway freight cars, and rail cranes. Ordinary wheeled vehicles include, for example, automobiles.

[0057] The frame structure of this utility model is easy and accurate to position, reduces the difficulty of manual assembly, and improves work efficiency. Attached Figure Description

[0058] Figure 1 This is a schematic diagram of a vehicle frame structure according to the present invention.

[0059] Figure 2 for Figure 1 The exploded view of the outer frame of the chassis structure shown.

[0060] Figure 3 for Figure 1 An exploded view of the inner frame of the aforementioned frame structure.

[0061] Figure 4 for Figure 1 The exploded view of the shock-absorbing support structure is shown.

[0062] The attached figures are labeled as follows:

[0063] 1-Upper outer longitudinal beam; 2-Outer middle column; 4-Upper support beam; 5-Outer tail column; 6-Lower outer longitudinal beam; 7-Outer support seat; 8-Inner lower support seat; 81-Inner lower support seat body; 82-Inner lower support seat connecting part; 9-Auxiliary seat; 10-Inner column; 11-Lower support beam; 12-Inner upper support seat; 13-Upper inner longitudinal beam; 14-Shock-absorbing support structure; 141-Second upper inner longitudinal beam connecting column; 142-First upper inner longitudinal beam connecting column; 143-Inner column connecting column; 144-Shock-absorbing support body; 145-Lower inner longitudinal beam connecting column; 15-Lower inner longitudinal beam; 16-Reinforced guard plate; 171-First middle column corner bracket; 172-Second middle column corner bracket; 173-Tail column corner bracket. Detailed Implementation

[0064] The present invention will be further described below with reference to specific embodiments, but the scope of protection of the present invention is not limited thereto.

[0065] Example 1

[0066] like Figure 1 As shown, the frame structure of this embodiment includes an outer frame, an inner frame, an upper support beam 4, a lower support beam 11, and a reinforcing guard plate 16.

[0067] like Figure 1 and Figure 2 As shown, the outer frame includes an upper outer longitudinal beam 1, an outer middle pillar 2, an outer rear pillar 5, a lower outer longitudinal beam 6, and an outer support seat 7.

[0068] The top of the outer support 7 is provided with a first support slot tenon, and one side of the outer support 7 is provided with a second support slot tenon.

[0069] A first lower outer longitudinal beam mortise is provided in the middle of the lower outer longitudinal beam 6. A second lower outer longitudinal beam mortise is provided at one end of the lower outer longitudinal beam 6.

[0070] The tenon of the second support seat extends into the mortise of the second lower outer longitudinal beam, thereby connecting the lower outer longitudinal beam 6 to the outer support seat 7. The tenon of the second support seat is welded and fixed to the mortise of the second lower outer longitudinal beam. The outer support seat 7 is located along the length of the lower outer longitudinal beam 6.

[0071] The upper outer longitudinal beam 1 is positioned above the lower outer longitudinal beam 6. A first upper outer longitudinal beam mortise is provided in the middle of the upper outer longitudinal beam 1. A second upper outer longitudinal beam mortise is provided at one end of the upper outer longitudinal beam 1. The upper outer longitudinal beam 1 is substantially parallel to the lower outer longitudinal beam 6.

[0072] The outer middle column 2 has a first middle column dovetail tenon and a second middle column dovetail tenon at both ends. The first middle column dovetail tenon extends into the mortise of the first upper outer longitudinal beam, thus connecting the outer middle column 2 and the upper outer longitudinal beam 1. The outer middle column 2 has a first middle column bracket 171 and a second middle column bracket 172 on both sides. The first middle column bracket 171 and the second middle column bracket 172 fix the outer middle column 2 and the upper outer longitudinal beam 1. The second middle column dovetail tenon extends into the mortise of the first lower outer longitudinal beam, thus connecting the outer middle column 2 and the lower outer longitudinal beam 6. The second middle column dovetail tenon is welded to the mortise of the first lower outer longitudinal beam. The outer middle column 2 is substantially perpendicular to the upper outer longitudinal beam 1.

[0073] One end of the outer tail post 5 is provided with a tail post dovetail tenon, and the other end is provided with a tail post mortise. The tail post dovetail tenon extends into the mortise of the second upper outer longitudinal beam, thereby connecting the outer tail post 5 to the upper outer longitudinal beam 1. A tail post bracket 173 is provided on the side of the outer tail post 5 near the outer middle post 2. The tail post bracket 173 fixes the outer tail post 5 to the upper outer longitudinal beam 1. The first support seat groove tenon extends into the tail post mortise, thereby connecting the outer tail post 5 to the outer support seat 7. The first support seat groove tenon is welded and fixed to the tail post mortise. The outer tail post 5 is basically parallel to the outer middle post 2.

[0074] like Figure 1 and Figure 3 As shown, the inner frame is located on one side of the outer frame. The inner frame includes an upper inner longitudinal beam 13, an inner column 10, a lower inner longitudinal beam 15, an inner lower support seat 8, a shock-absorbing support structure 14, an inner upper support seat 12, and an auxiliary seat 9.

[0075] The inner lower support 8 includes an inner lower support body 81 and an inner lower support connecting part 82. The first side of the inner lower support connecting part 82 is connected to the side wall of the inner lower support body 81. The included angle between the inner lower support connecting part 82 and the inner lower support body 81 is an obtuse angle. A support body tenon is provided on the upper surface of the inner lower support body 81. A support connecting tenon is provided on the second side of the inner lower support connecting part 82. The first and second sides of the inner lower support connecting part 82 are arranged opposite to each other.

[0076] One end of the inner column 10 is provided with an inner column mortise. The tenon of the support body extends into the inner column mortise, thereby connecting the inner column 10 to the inner lower support 8. The tenon of the support body is welded and fixed to the inner column mortise.

[0077] The end of the upper inner longitudinal beam 13 is connected to the end of the inner column 10 away from the lower inner support 8. The upper inner longitudinal beam 13 is basically perpendicular to the inner column 10.

[0078] One end of the lower inner longitudinal beam 15 is provided with a lower inner longitudinal beam mortise. The tenon of the support base connecting part extends into the lower inner longitudinal beam mortise, thereby connecting the lower inner longitudinal beam 15 to the inner lower support base 8. The tenon of the support base connecting part is welded and fixed to the lower inner longitudinal beam mortise. The lower inner longitudinal beam 15 is substantially parallel to the upper inner longitudinal beam 13.

[0079] like Figure 3 and Figure 4 As shown, the damping support structure 14 is located in the area defined by the upper inner longitudinal beam 13, the inner column 10 and the lower inner longitudinal beam 15.

[0080] The damping support structure 14 includes a damping support body 144, an inner column connecting column 143, a first upper inner longitudinal beam connecting column 142, a second upper inner longitudinal beam connecting column 141, and a lower inner longitudinal beam connecting column 145.

[0081] The shock-absorbing support body 144 is provided with a first shock-absorbing support tenon, a second shock-absorbing support tenon, a third shock-absorbing support tenon and a fourth shock-absorbing support tenon.

[0082] One end of the inner column connecting column 143 is provided with an inner column connecting column mortise. The other end of the inner column connecting column 143 is connected to the inner column 10. The first shock-absorbing support tenon extends into the inner column connecting column mortise, thereby connecting the inner column 10 to the shock-absorbing support body 144. The first shock-absorbing support tenon and the inner column connecting column mortise are fixed by rivets.

[0083] One end of the first upper inner longitudinal beam connecting column 142 is provided with a first upper inner longitudinal beam connecting column mortise. The other end of the first upper inner longitudinal beam connecting column 142 is fixed to the upper inner longitudinal beam 13 by rivets. The second shock-absorbing support tenon extends into the first upper inner longitudinal beam connecting column mortise, thereby connecting the first upper inner longitudinal beam connecting column 142 to the shock-absorbing support body 144. The second shock-absorbing support tenon and the first upper inner longitudinal beam connecting column mortise are fixed by rivets.

[0084] One end of the second upper inner longitudinal beam connecting column 141 is provided with a second upper inner longitudinal beam connecting column mortise. The other end of the second upper inner longitudinal beam connecting column 141 is fixed to the upper inner longitudinal beam 13 by rivets. The third shock-absorbing support tenon extends into the second upper inner longitudinal beam connecting column mortise, thereby connecting the second upper inner longitudinal beam connecting column 141 to the shock-absorbing support body 144. The third shock-absorbing support tenon and the second upper inner longitudinal beam connecting column mortise are fixed by rivets.

[0085] One end of the lower inner longitudinal beam connecting column 145 is provided with a lower inner longitudinal beam connecting column mortise. The other end of the lower inner longitudinal beam connecting column 145 is connected to the lower inner longitudinal beam 15. The fourth damping support tenon extends into the lower inner longitudinal beam connecting column mortise, thereby connecting the lower inner longitudinal beam connecting column 145 to the damping support body 144. The fourth damping support tenon and the lower inner longitudinal beam connecting column mortise are fixed by rivets.

[0086] like Figure 3 As shown, the inner upper support 12 includes a connected inner upper support body and an inner upper support connecting part. The inner upper support connecting part is provided with an open slot structure. The end of the upper inner longitudinal beam 13 connected to the inner column 10 is located in the open slot and is fixed to the inner upper support connecting part.

[0087] The auxiliary seat 9 is fixed to the side wall of the inner lower support seat 8.

[0088] The reinforcing guard plate 16 is disposed on the outer periphery of the first upper inner longitudinal beam connecting column 142 and the second upper inner longitudinal beam connecting column 141. The reinforcing guard plate 16 is fixed to the first upper inner longitudinal beam connecting column 142, the second upper inner longitudinal beam connecting column 141 and the upper inner longitudinal beam 13 by rivets.

[0089] One end of the upper support beam 4 is fixed to the middle of the upper outer longitudinal beam 1. The other end of the upper support beam 4 is fixed to the middle of the upper inner longitudinal beam 13.

[0090] One end of the lower support beam 11 is fixed to the end of the lower outer longitudinal beam 6 near the outer support seat 7. The other end of the lower support beam 11 is fixed to the end of the lower inner longitudinal beam 15 near the inner lower support seat 8.

[0091] Example 2

[0092] The railway freight car of this embodiment includes the frame structure of Embodiment 1.

[0093] This utility model is not limited to the above-described embodiments. Any modifications, improvements, or substitutions that can be conceived by those skilled in the art without departing from the essential content of this utility model fall within the scope of this utility model.

Claims

1. A vehicle frame structure, characterized in that, The frame structure includes an outer frame, an inner frame, an upper support beam, and a lower support beam; The outer frame includes an upper outer longitudinal beam, an outer middle pillar, an outer rear pillar, a lower outer longitudinal beam, and an outer support base; The top of the outer support seat is provided with a first support seat groove tenon, and one side of the outer support seat is provided with a second support seat groove tenon. A first lower outer longitudinal beam mortise is provided in the middle of the lower outer longitudinal beam, and a second lower outer longitudinal beam mortise is provided at one end of the lower outer longitudinal beam; the second support seat tenon extends into the second lower outer longitudinal beam mortise, thereby connecting the lower outer longitudinal beam to the outer support seat; the outer support seat is located in the length direction of the lower outer longitudinal beam. The upper outer longitudinal beam is disposed above the lower outer longitudinal beam, a first upper outer longitudinal beam mortise is disposed in the middle of the upper outer longitudinal beam, and a second upper outer longitudinal beam mortise is disposed at one end of the upper outer longitudinal beam. The outer middle column is provided with a first middle column dovetail tenon and a second middle column dovetail tenon at both ends; the first middle column dovetail tenon extends into the first upper outer longitudinal beam mortise, thereby connecting the outer middle column and the upper outer longitudinal beam; the second middle column dovetail tenon extends into the first lower outer longitudinal beam mortise, thereby connecting the outer middle column and the lower outer longitudinal beam. One end of the outer tail post is provided with a tail post dovetail tenon, and the other end of the outer tail post is provided with a tail post mortise; the tail post dovetail tenon extends into the mortise of the second upper outer longitudinal beam, thereby connecting the outer tail post to the upper outer longitudinal beam; the first support seat slot tenon extends into the tail post mortise, thereby connecting the tail post and the outer support seat; The inner frame is disposed on one side of the outer frame; One end of the upper support beam is connected to the upper outer longitudinal beam, and the other end of the upper support beam is connected to the upper part of the inner frame. One end of the lower support beam is connected to the lower outer longitudinal beam, and the other end of the lower support beam is connected to the lower part of the inner frame.

2. The frame structure according to claim 1, characterized in that, The inner frame includes an upper inner longitudinal beam, an inner column, a lower inner longitudinal beam, an inner lower support seat, and a shock-absorbing support structure. The inner lower support includes an inner lower support body and an inner lower support connecting part; the first side of the inner lower support connecting part is connected to the side wall of the inner lower support body, and the included angle between the inner lower support connecting part and the inner lower support body is an obtuse angle; a support body tenon is provided on the upper surface of the inner lower support body, and a support connecting tenon is provided on the second side of the inner lower support connecting part; the first side and the second side of the inner lower support connecting part are arranged opposite to each other. One end of the inner column is provided with an inner column mortise, and the groove tenon of the support body extends into the inner column mortise, thereby connecting the inner column to the inner lower support. The end of the upper inner longitudinal beam is connected to the end of the inner column away from the inner lower support. One end of the lower inner longitudinal beam is provided with a lower inner longitudinal beam mortise, and the groove tenon of the support base connecting part extends into the lower inner longitudinal beam mortise, thereby connecting the lower inner longitudinal beam to the inner lower support base. The shock-absorbing support structure is disposed in the area defined by the upper inner longitudinal beam, the inner column and the lower inner longitudinal beam, and the shock-absorbing support structure is connected to the upper inner longitudinal beam, the inner column and the lower inner longitudinal beam respectively.

3. The frame structure according to claim 2, characterized in that, The inner frame also includes an inner upper support and an auxiliary seat; The inner upper support includes a connected inner upper support body and an inner upper support connecting part; the inner upper support connecting part is provided with an opening groove structure, and the end of the upper inner longitudinal beam connected to the inner column is located in the opening groove and fixed to the inner upper support connecting part. The accessory seat is fixed to the side wall of the inner lower support seat.

4. The frame structure according to claim 2, characterized in that, The shock-absorbing support structure includes a shock-absorbing support body, an inner column connecting column, a first upper inner longitudinal beam connecting column, a second upper inner longitudinal beam connecting column, and a lower inner longitudinal beam connecting column. The shock-absorbing support body is provided with a first shock-absorbing support groove tenon, a second shock-absorbing support groove tenon, a third shock-absorbing support groove tenon and a fourth shock-absorbing support groove tenon. One end of the inner column connecting column is provided with an inner column connecting column mortise, and the other end of the inner column connecting column is connected to the inner column; the first shock-absorbing support groove tenon extends into the inner column connecting column mortise, thereby connecting the inner column to the shock-absorbing support body. One end of the first upper inner longitudinal beam connecting column is provided with a first upper inner longitudinal beam connecting column mortise, and the other end of the first upper inner longitudinal beam connecting column is connected to the upper inner longitudinal beam; the second shock-absorbing support groove tenon extends into the first upper inner longitudinal beam connecting column mortise, thereby connecting the first upper inner longitudinal beam connecting column to the shock-absorbing support body. One end of the second upper inner longitudinal beam connecting column is provided with a second upper inner longitudinal beam connecting column mortise, and the other end of the second upper inner longitudinal beam connecting column is connected to the upper inner longitudinal beam; the third shock-absorbing support groove tenon extends into the second upper inner longitudinal beam connecting column mortise, thereby connecting the second upper inner longitudinal beam connecting column to the shock-absorbing support body. One end of the lower inner longitudinal beam connecting column is provided with a lower inner longitudinal beam connecting column mortise, and the other end of the lower inner longitudinal beam connecting column is connected to the lower inner longitudinal beam; the fourth shock-absorbing support groove tenon extends into the lower inner longitudinal beam connecting column mortise, thereby connecting the lower inner longitudinal beam connecting column to the shock-absorbing support body.

5. The frame structure according to claim 1, characterized in that, The outer middle column is provided with a first middle column corner bracket and a second middle column corner bracket on both sides; the first middle column corner bracket and the second middle column corner bracket are used to fix the outer middle column to the upper outer longitudinal beam; The outer tail post is provided with a tail post bracket on the side near the outer middle post. The tail post bracket is used to fix the tail post to the upper outer longitudinal beam.

6. The frame structure according to claim 4, characterized in that, It also includes reinforced protective panels; The reinforcing guard plate is installed on the outer periphery of the first upper inner longitudinal beam connecting column and the second upper inner longitudinal beam connecting column, and is fixed to the first upper inner longitudinal beam connecting column, the second upper inner longitudinal beam connecting column and the upper inner longitudinal beam by rivets.

7. The frame structure according to claim 5, characterized in that, The second middle column is fixed to the first lower outer longitudinal beam by welding with a dovetail tenon; The second lower outer longitudinal beam is welded and fixed to the second support seat groove tenon; The first support seat groove tenon is welded and fixed to the tail column mortise.

8. The frame structure according to claim 2, characterized in that, The inner column mortise is welded and fixed to the groove tenon of the support base body; The groove tenon of the support base connection part is welded and fixed to the mortise of the lower inner longitudinal beam.

9. The frame structure according to claim 4, characterized in that, The inner column connecting column mortise and the first shock-absorbing support slot tenon are fixed by rivets; The first upper inner longitudinal beam connecting column mortise and the second shock-absorbing support slot tenon are fixed by rivets; The first upper inner longitudinal beam connecting column is fixed to the upper inner longitudinal beam by rivets; The second upper inner longitudinal beam connecting column mortise and the third shock-absorbing support slot tenon are fixed by rivets; The second upper inner longitudinal beam connecting column is fixed to the upper inner longitudinal beam by rivets; The lower inner longitudinal beam connecting column mortise and the fourth shock-absorbing support slot tenon are fixed by rivets.

10. A vehicle, characterized in that, The vehicle includes the frame structure as described in any one of claims 1 to 9.

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