Threshold assembly of vehicle and vehicle

Abstract

The utility model discloses a threshold assembly of a vehicle and the vehicle. The threshold assembly of the vehicle comprises a front column, a threshold body and a connecting assembly. One end of the sill body is located in the front column, and the sill body comprises an outer doorsill and an inner doorsill with the lower side edges fixedly connected. The side face of the front column is provided with a mounting hole, and the connecting assembly penetrates through the mounting hole to connect the upper side edges of the outer doorsill and the inner doorsill. The connecting assembly penetrates through the mounting hole from the outside to enter the front column, so that the upper side edge of the outer doorsill and the upper side edge of the inner doorsill can be reliably connected in the front column after the front column is assembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle door sill technical field especially relates to a door sill assembly of vehicle and vehicle. BACKGROUND

[0002] The door sill assembly structure of the prior art vehicle generally comprises the outer door sill and the inner door sill fixedly welded respectively at the upper side and the lower side, but the end part of the door sill needs to be arranged inside the front pillar of the vehicle, due to the limitation of the mounting and welding sequence of the front pillar and the door sill, only the lower side is fixedly connected at the front end of the door sill inside the front pillar, and the upper side is generally not connected, but under the small offset collision condition, the deformation of the front end of the door sill is large after the tire or the barrier hits the front end of the door sill, which will affect the vehicle body structure rating. SUMMARY

[0003] The utility model discloses a door sill assembly of vehicle and vehicle, which overcomes the deficiencies of the prior art, improves the structure of the door sill assembly of the vehicle, sets an installation hole on the inner door pillar side surface of the front pillar, and designs a connecting assembly to pass through the installation hole from the outside into the inside of the front pillar, so that the first combining part of the upper side of the outer door sill and the second combining part of the upper side of the inner door sill are reliably connected inside the front pillar.

[0004] The utility model technical scheme provides a door sill assembly of vehicle, which comprises a front pillar, a sill body and a connecting assembly.

[0005] One end of the sill body is located inside the front pillar, and the sill body comprises an outer door sill and an inner door sill fixedly connected at the lower side.

[0006] The side surface of the front pillar is provided with an installation hole, and the connecting assembly passes through the installation hole to connect the upper sides of the outer door sill and the inner door sill.

[0007] In one of the optional technical schemes, the upper side of the outer door sill has a first combining part protruding upward, the upper side of the inner door sill has a second combining part matched with the first combining part, the front pillar comprises an outer door pillar and an inner door pillar provided with an installation hole at the side surface, one end of the sill body is inserted into the cavity formed by the outer door pillar and the inner door pillar, and the connecting assembly passes through the installation hole to connect the first combining part and the second combining part.

[0008] In one of the optional technical schemes, the connecting assembly comprises a first connecting piece, a limiting piece and a second connecting piece.

[0009] The second connecting piece is connected with the first connecting piece after passing through the mounting hole, the second joint part and the first joint part, and the limiting piece is located between the second joint part and the inner door column.

[0010] In one of the optional technical solutions, the limiting piece comprises a limiting sleeve sleeved on the outer periphery of the mounting hole, one end of the limiting sleeve is fixedly connected with the inner side surface of the second joint part, and the first connecting piece and / or the second connecting piece is / are at least partially embedded in the limiting sleeve.

[0011] In one of the optional technical solutions, a limiting groove is arranged on the outer periphery of the mounting hole, the groove opening of the limiting groove faces the direction of the inner door sill, and the end portion of the limiting sleeve is embedded in the limiting groove.

[0012] In one of the optional technical solutions, the limiting piece further comprises a positioning support arranged between the limiting sleeve and the inner door sill.

[0013] In one of the optional technical solutions, the first connecting piece is a nut fixedly connected with the outer side surface of the first joint part, and the second connecting piece is a bolt passing through the mounting hole and the limiting sleeve and having a screw end portion connected with the nut.

[0014] In one of the optional technical solutions, a reinforcing piece is further arranged between the outer door sill and the inner door sill, and the reinforcing piece is fixedly connected with the inner side surface of the outer door sill.

[0015] In one of the optional technical solutions, the reinforcing piece is a U-shaped bent plate body, the reinforcing piece has two ends each having a connecting part for being fixedly connected with the inner side surface of the outer door sill, and the reinforcing piece has a bent portion forming an abutting portion for abutting against the inner side surface of the inner door sill.

[0016] The technical scheme of the utility model provides a vehicle, including vehicle main body, be equipped with any preceding vehicle's door sill subassembly on the vehicle main body.

[0017] The above technical scheme has the following beneficial effects:

[0018] The door sill subassembly of the vehicle provided by the utility model connects the upper side edges of the outer door sill and the inner door sill through the mounting hole and the connecting assembly, so that the upper side edges of the outer door sill and the inner door sill can be reliably connected inside the front column. The structure avoids the limitation of the welding process and significantly improves the anti-deformation ability and structural stability of the door sill through the fastening effect of the connecting assembly. In addition, the structural strength of the joint part of the upper side edges of the outer door sill and the inner door sill is significantly improved, and no additional reinforcing structure is needed inside the door sill, thereby simplifying the manufacturing process and reducing the manufacturing cost. Attached Figure Description

[0019] The disclosure of this utility model will become more readily understood by referring to the accompanying drawings. It should be understood that these drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings:

[0020] Figure 1 A perspective view of a vehicle door sill assembly provided in an embodiment of the present utility model;

[0021] Figure 2 An exploded view of a vehicle door sill assembly provided in an embodiment of the present invention;

[0022] Figure 3 A perspective sectional view of a vehicle door sill assembly provided in an embodiment of the present utility model;

[0023] Figure 4 A cross-sectional view of a vehicle door sill assembly provided in an embodiment of the present utility model;

[0024] Figure 5 This is a first schematic diagram of a limiting sleeve provided in an embodiment of the present utility model;

[0025] Figure 6 This is a second schematic diagram of a limiting sleeve provided in an embodiment of the present utility model.

[0026] Figure reference numerals:

[0027] 1. Front pillar; 11. Outer door pillar; 12. Inner door pillar; 121. Mounting hole; 122. Limiting groove;

[0028] 2. Threshold body; 21. Outer threshold; 211. First connecting part; 212. First through hole; 22. Inner threshold; 221. Second connecting part; 222. Second through hole;

[0029] 3. Connecting components; 31. First connecting piece; 32. Limiting piece; 321. Limiting sleeve; 322. Positioning bracket; 33. Second connecting piece;

[0030] 4. Reinforcing component; 41. Connecting part; 42. Top abutment. Detailed Implementation

[0031] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0032] In the utility model, unless another definite provision and limitation, the term "fixed" and the like should be understood broadly, for example, "fixed" can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless another definite limitation. For ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0033] As Figures 1-4 The utility model discloses an embodiment provides a kind of door sill assembly of vehicle, including front column 1, sill body 2 and connecting assembly 3.Sill body 2 one end is located in the interior of front column 1, and sill body 2 includes the outer door sill 21 and inner door sill 22 of lower side fixed connection.

[0034] The side surface of front column 1 is equipped with mounting hole 121, and connecting assembly 3 is used to connect the upper side of outer door sill 21 and inner door sill 22 and passes through mounting hole 121.

[0035] Further, the upper side of outer door sill 21 has the first combination part 211 that protrudes upwards, the upper side of inner door sill 22 has the second combination part 221 matched with first combination part 211, and front column 1 includes outer door column 11 and inner door column 12 with mounting hole 121 on the side surface, and one end of sill body 2 is inserted into the cavity formed by the combination of outer door column 11 and inner door column 12, and connecting assembly 3 is used to connect first combination part 211 and second combination part 221 and passes through mounting hole 121.

[0036] Wherein, the upper side and the lower side of outer door sill 21 and inner door sill 22 are respectively provided with flanging structure to form vertical protruding structure, that is, combination part.Outer door sill 21 and inner door sill 22 are fixedly connected by welding between corresponding combination parts, but due to welding work order, the part of first combination part 211 of outer door sill 21 and second combination part 221 of inner door sill 22 located in the interior of front column 1 is not welded.The lower side of outer door sill 21 and inner door sill 22 also needs to be provided with lower combination part, and the structure of front column 1 does not cover the lower side of sill body 2, and the lower side of outer door sill 21 and inner door sill 22 located below front column 1 can continue to use welding or other connection mode to realize fixed connection, and the installation work order of front column 1 does not affect the connection of lower combination part of outer door sill 21 and inner door sill 22, and the lower combination part is not specifically expanded.

[0037] The connecting assembly 3 can connect the inner door pillar 12 with the first and second connecting parts 211 and 221, and fix the upper side of the sill 2 relative to the position of the front pillar 1, thereby further improving the structural strength of the upper side of the sill 2. The connecting assembly 3 can enter the interior of the front pillar 1 from the exterior of the inner door pillar 12 through the mounting hole 121, and connect the first and second connecting parts 211 and 221. The connecting assembly 3 can be pre-connected with the first and second connecting parts 211 and 221 before the outer door pillar 11 and the inner door pillar 12 are assembled, and then the operable part or part of the connecting assembly 3 extends outward from the interior of the front pillar 1 through the mounting hole 121 after the front pillar 1 is assembled, so that the operator can tighten the connecting assembly 3 outside the front pillar 1, thereby stably connecting the first connecting part 211 of the upper side of the outer door sill 21 and the second connecting part 221 of the upper side of the inner door sill 22 after the front pillar 1 is assembled.

[0038] Further, the connecting assembly 3 can be partially pre-installed on the first and second connecting parts 211 and 221, and then fixedly connected with the outer door pillar 11 and the inner door pillar 12, so that the front pillar 1 formed covers part of the end of the sill 2, and the connecting assembly 3 is in an unfastened state, and the first and second connecting parts 211 and 221 are not connected. After the front pillar 1 is assembled, the operator can tighten the connecting assembly 3 inside the vehicle, the connecting assembly 3 at least partially extends outward from the side of the vehicle, and the operator tightens the connecting assembly 3 through the extended part, so that the parts in the connecting assembly 3 move and the first and second connecting parts 211 and 221 are fastened and connected. Compared with the traditional vehicle assembly, only one connecting assembly 3 needs to be fastened and installed, thereby significantly improving the structural strength of the end of the sill 2 inside the front pillar 1.

[0039] The connecting assembly 3 is arranged to pass through the inner door pillar 12 from the exterior of the front pillar 1, reliably connects the upper side connecting parts of the outer door sill 21 and the inner door sill 22 inside the front pillar 1, and significantly improves the connection stability of the structure of the door sill. The complex welding process from the interior of the door pillar is replaced by the connecting assembly 3, the fastening connection of the first and second connecting parts 211 and 221 of the upper sides of the outer door sill 21 and the inner door sill 22 is directly completed by externally operating the connecting assembly 3 during assembly, the connection strength of the front end of the door sill can be improved without complicating the installation steps. Since the strength of the connecting structure is improved, the door sill structure of the utility model can not be provided with an additional reinforcing structure on the part of the sill 2 inside the front pillar 1, that is, the reinforcing structure inside the door sill is reduced, thereby further reducing the production cost of the vehicle door sill without reducing the strength of the front end of the door sill.

[0040] Preferably, since the structures and relative positions of the front pillar 1 and the sill 2 of different vehicle models are different, the part of the sill 2 arranged inside the front pillar 1 can have a longer size, in order to ensure the connection stability of the upper side of the sill 2, a plurality of connection assemblies 3 can be arranged on the first combination part 211 and the second combination part 221 of the upper side of the outer door sill 21 and the inner door sill 22, and the specific structure and connection height of the plurality of connection assemblies 3 can be adjusted according to actual needs.

[0041] In conclusion, the door sill assembly of the vehicle provided in the embodiments of the present application can realize reliable connection of the first combination part 211 of the upper side of the outer door sill 21 and the second combination part 221 of the upper side of the inner door sill 22 inside the front pillar 1 by arranging the mounting hole 121 on the side of the inner door pillar 12 of the front pillar 1 and arranging the connection assembly 3 to pass through the mounting hole 121 from the outside to the inside of the front pillar 1. The connection assembly 3 is connected from the outside, avoiding the situation that the upper side combination part of the outer door sill 21 and the inner door sill 22 inside the front pillar 1 is difficult to connect due to the limitation of the welding process, and the fastening effect of the connection assembly 3 significantly improves the anti-deformation ability and structural stability of the door sill as a whole.

[0042] In addition, since the structural strength of the combination part of the upper side of the outer door sill 21 and the inner door sill 22 is directly connected and is significantly improved, the inside of the door sill can not be additionally provided with a reinforcing structure, thereby simplifying the manufacturing process and reducing the manufacturing cost.

[0043] In one of the embodiments, as shown in Figure 2 The connection assembly 3 includes a first connecting piece 31 connected to the outer side of the first combination part 211, a limiting piece 32 arranged between the second combination part 221 and the inner door pillar 12, and a second connecting piece 33 having one end connected to the inner door pillar 12 and the other end connected to the first connecting piece 31.

[0044] In the embodiment, the combination structure of the first connecting piece 31, the limiting piece 32 and the second connecting piece 33 is arranged to realize multi-point fixing of the combination part of the outer door sill 21 and the inner door sill 22, and significantly improve the connection rigidity. The arrangement of the limiting piece 32 can avoid the misalignment problem caused by stress offset during assembly, thereby ensuring the installation precision of the connection assembly 3, and improving the support rigidity required for bolt fastening.

[0045] In one of the embodiments, as shown in Figure 2 The first combination part 211 has a first through hole 212, the second combination part 221 has a second through hole 222 overlapping the first through hole 212, and the connection assembly 3 passes through the mounting hole 121, the first through hole 212 and the second through hole 222 to connect the first combination part 211 and the second combination part 221.

[0046] In the embodiment, the first through hole 212 and the second through hole 222 are respectively arranged at the joint part of the outer door sill 21 and the inner door sill 22, and are overlapped and aligned, so that the connecting assembly 3 can pass through the two to achieve fastening, and the connection strength is significantly improved. The arrangement of the first through hole 212 and the second through hole 222 enables the first joint part 211 and the second joint part 221 to be fastened and connected in the form of passing through the first joint part 211 and the second joint part 221, and the fastening operation of the connecting assembly 3 from the outside of the inner door pillar 12 becomes easier to implement.

[0047] In one of the embodiments, as shown in Figure 3 , Figure 5 and Figure 6 , the limiting part 32 includes a limiting sleeve 321 sleeved on the outer periphery of the mounting hole 121, one end of the limiting sleeve 321 is fixedly connected with the inner side of the second joint part 221, and the first connecting part 31 and / or the second connecting part 33 are at least partially embedded in the limiting sleeve 321.

[0048] In the embodiment, the limiting sleeve 321 is sleeved on the outer periphery of the mounting hole 121, and part of the connecting assembly 3 is embedded therein, so that the precise guidance and limiting of the connecting assembly 3 are achieved, the distance between the second joint part 221 and the inner wall of the inner door pillar 12 is ensured to be pre-set, and the second joint part 221 and the first joint part 211 are prevented from being offset or inclined towards the inner door pillar 12 during the fastening of the connecting assembly 3. The fixed connection of the limiting sleeve 321 and the second joint part 221 can ensure that the relative position between the inner door sill 22 and the inner door pillar 12 is within the pre-designed range after the outer door pillar 11 and the inner door pillar 12 are installed, and further ensure that the connecting assembly 3 can be aligned with the mounting hole 121.

[0049] In one of the embodiments, as shown in Figure 4 , a limiting groove 122 is arranged on the outer periphery of the mounting hole 121, the groove opening of the limiting groove 122 faces the direction of the inner door sill 22, and the end of the limiting sleeve 321 is embedded in the limiting groove 122.

[0050] In the embodiment, the limiting groove 122 is additionally arranged on the outer periphery of the mounting hole 121, and the end of the limiting sleeve 321 is embedded therein, so that the positioning and restriction of the limiting part 32 are achieved, and further ensure that the limiting sleeve 321 is aligned with the mounting hole 121, and the positional deviation between the limiting sleeve 321 and the mounting hole 121 is avoided after the limiting sleeve 321 is aligned with the mounting hole 121. According to the needs, various countersunk structures can be arranged on the outer periphery of the mounting hole 121, or the limiting groove 122 can face the outer side of the inner door pillar 12 to limit the position of the second connecting part 33.

[0051] In one of the embodiments, as shown in Figure 5 andFigure 6 As shown, the limiting member 32 further comprises a positioning bracket 322 arranged between the limiting sleeve 321 and the inner door sill 22.

[0052] In this embodiment, the positioning bracket 322 fills the space between the limiting sleeve 321 and the inner door sill 22, ensuring that the height and position of the limiting sleeve 321 are aligned with the mounting hole 121. The two ends of the positioning bracket 322 are fixedly connected with the inner door sill 22 and the limiting sleeve 321 respectively, thereby ensuring that the position of the limiting sleeve 321 and the inner door sill 22 is relatively fixed. After the position of the inner door sill 22 and the inner door pillar 12 is accurately installed, the limiting sleeve 321 fixedly connected with the inner door sill 22 can be aligned with the position of the mounting hole 121, thereby ensuring that the first connecting member 31 or the second connecting member 33 can smoothly pass through the limiting sleeve 321 and the mounting hole 121. Preferably, the positioning bracket 322 can be integrally formed with the limiting sleeve 321. The positioning bracket 322 needs to be specifically designed according to the specific position of the mounting hole 121 and the sill structure of different vehicle models. The lower end of the mounting bracket can be provided with a flange with a through hole, and the mounting bracket is fixedly connected to the inner door sill 22 by screwing through the flange.

[0053] In one of the embodiments, as shown in Figures 2-4 The first connecting member 31 is a nut fixedly connected to the outer side surface of the first combining part 211, and the second connecting member 33 is a bolt passing through the mounting hole 121 and the limiting sleeve 321 and having its screw end connected with the nut.

[0054] In this embodiment, by adopting the combination of the nut and the bolt as the connecting assembly 3, the outer door sill 21 and the inner door sill 22 are quickly disassembled and assembled. The nut is fixedly welded to the outer periphery of the first through hole 212, and the hole of the nut is concentrically arranged with the first through hole 212. The bolt passes through the mounting hole 121 and the limiting sleeve 321 from the outside of the inner door pillar 12 in sequence, and passes through the second through hole 222 and the first through hole 212 in sequence, and is locked with the nut on the outer side surface of the first combining part 211. When the head of the bolt contacts the side surface of the inner door pillar 12 during assembly, the locking of the connecting assembly 3 is realized. The connecting structure of the bolt and the nut takes into account the assembly convenience and the connection reliability, and is suitable for being used as the connecting assembly 3 of the upper side edge of the sill body 2 in the utility model.

[0055] In one of the embodiments, the first connecting member 31 is a bolt having its head fixedly connected with the outer side surface of the first combining part 211. The bolt passes through the limiting sleeve 321 and the mounting hole 121 and has its screw end extending outward from the inner door pillar 12. The second connecting member 33 is a nut connected with the screw end of the bolt.

[0056] In this embodiment, the bolt is used as the first connecting member 31, and before the outer door column 11 and the inner door column 12 are assembled, the shank of the bolt is sequentially inserted through the first through hole 212, the second through hole 222, the limiting sleeve 321 and the mounting hole 121, and then the end of the shank of the bolt extends outward from the mounting hole 121. When the outer door column 11 and the inner door column 12 are assembled, the nut used as the second connecting member 33 is screwed from the outside to the end of the shank of the bolt until the nut contacts the side surface of the inner door column 12 to achieve locking of the connecting assembly 3.

[0057] In one of the embodiments, as shown in Figure 2 Further, the reinforcing member 4 is a U-shaped curved plate body, and the two ends of the reinforcing member 4 respectively have a connecting portion 41 for fixed connection with the inner side surface of the outer door sill 21, and the curved portion of the reinforcing member 4 forms an abutting portion 42 for abutting against the inner side surface of the inner door sill 22.

[0058] In this embodiment, the reinforcing member 4 is additionally arranged between the outer door sill 21 and the inner door sill 22 to further improve the impact resistance of the sill body 2 as a whole. The fixed connection of the reinforcing member 4 with the inner side surface of the outer door sill 21 can ensure the accurate position of the reinforcing member 4 when the outer door sill 21 is connected with the inner door sill 22.

[0059] A plurality of reinforcing members 4 can be arranged inside the sill body 2. The U-shaped curved reinforcing member 4 has elasticity, and the width of the reinforcing member 4 matches the distance between the inner side surfaces of the outer door sill 21 and the inner door sill 22. The reinforcing member 4 can act as an elastic support between the outer door sill 21 and the inner door sill 22, and can provide elastic recovery after the outer door sill 21 and the inner door sill 22 are impacted or deformed under pressure, so that the distance between the outer door sill 21 and the inner door sill 22 is relatively stable. The connecting portions 41 at the two ends of the reinforcing member 4 are fixedly connected to the inner side surface of the outer door sill 21 by means of bolt connection or welding, and the connecting portion 41 can be provided with a plurality of connecting flanges so that each direction of the reinforcing member 4 is fixedly connected with the inner side surface of the outer door sill 21. The abutting portion 42 formed by the curved portion of the reinforcing member 4 abuts against the inner side surface of the inner door sill 22 after the outer door sill 21 and the inner door sill 22 are connected. The arrangement of the reinforcing member 4 can significantly improve the structural stability of the sill body 2, so that the sill body 2 is not easily deformed after being impacted from the outside.

[0060] The utility model also provides a vehicle, including vehicle main body, be equipped with the door sill subassembly of any preceding vehicle on vehicle main body. Through the door sill subassembly of any preceding vehicle of above -mentioned embodiment is applied to vehicle main body, all upper side parts of outer door sill 21 and inner door sill 22 in sill body 2 can be fixedly connected, make the door sill structure strength of close to front column 1 in vehicle be significantly promoted, and then promote the lateral wall rigidity and crash safety of whole car. The fastening connection operation of connecting assembly 3 can be carried out after the installation of front column 1 of vehicle, only need to increase an assembly process to realize, and the vehicle door sill of strength promotion can also reduce the setting of internal reinforcing structure, and then reduce the manufacturing cost of whole car.

[0061] According to the need, the above technical solutions can be combined to achieve the best technical effect.

[0062] The above is only the principle and preferred embodiment of the utility model. It should be pointed out that for ordinary skilled person in the art, on the basis of the principle of the utility model, a number of other variants can also be made, which should be considered as the protection scope of the utility model.

Claims

1. A door sill assembly for a vehicle, comprising a front pillar (1), a door sill body (2), and a connecting assembly (3); One end of the sill (2) is located inside the front post (1), and the sill (2) includes an outer sill (21) and an inner sill (22) fixedly connected to its lower side; characterized in that, The front pillar (1) has a mounting hole (121) on its side, and the connecting component (3) passes through the mounting hole (121) to connect the upper side of the outer sill (21) and the inner sill (22).

2. The vehicle door sill assembly according to claim 1, characterized in that, The upper side of the outer threshold (21) has a first connecting part (211) that protrudes upward, and the upper side of the inner threshold (22) has a second connecting part (221) that matches the first connecting part (211). The front post (1) includes an outer door post (11) and an inner door post (12) with a mounting hole (121) on the side. One end of the threshold body (2) is inserted into the cavity formed by the outer door post (11) and the inner door post (12). The connecting component (3) passes through the mounting hole (121) to connect the first connecting part (211) and the second connecting part (221).

3. The vehicle door sill assembly according to claim 2, characterized in that, The connecting component (3) includes a first connector (31), a limiting component (32), and a second connector (33); After the second connector (33) passes through the mounting hole (121), the second joint (221) and the first joint (211), it is connected to the first connector (31), and the limiting member (32) is located between the second joint (221) and the inner door post (12).

4. The vehicle door sill assembly according to claim 3, characterized in that, The limiting member (32) includes a limiting sleeve (321) sleeved around the outer periphery of the mounting hole (121), one end of the limiting sleeve (321) is fixedly connected to the inner side of the second connecting part (221), and the second connecting member (33) is at least partially embedded in the limiting sleeve (321).

5. The vehicle door sill assembly according to claim 4, characterized in that, A limiting groove (122) is provided on the outer periphery of the mounting hole (121), the opening of the limiting groove (122) faces the inner threshold (22), and the end of the limiting sleeve (321) is embedded in the limiting groove (122).

6. The vehicle door sill assembly according to claim 4, characterized in that, The limiting member (32) also includes a positioning bracket (322) disposed between the limiting sleeve (321) and the inner threshold (22).

7. The vehicle door sill assembly according to claim 4, characterized in that, The first connector (31) is a nut fixedly connected to the outer side of the first joint (211), and the second connector (33) is a bolt that passes through the mounting hole (121) and the limiting sleeve (321) and whose screw end is connected to the nut.

8. The vehicle door sill assembly according to claim 1, characterized in that, A reinforcing member (4) is provided between the outer threshold (21) and the inner threshold (22), and the reinforcing member (4) is fixedly connected to the inner side of the outer threshold (21).

9. The vehicle door sill assembly according to claim 8, characterized in that, The reinforcing member (4) is a U-shaped bent plate. Both ends of the reinforcing member (4) have connecting parts (41) for fixed connection with the inner side of the outer threshold (21). The bent part of the reinforcing member (4) forms a top (42) for abutting against the inner side of the inner threshold (22).

10. A vehicle, characterized in that, It includes a vehicle body, on which a door sill assembly as described in any one of claims 1-9 is provided.

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