Mounting bracket for seat, seat and vehicle

Abstract

The utility model discloses an installation support for a seat, the seat and a vehicle, the installation support comprises a first support, the first support comprises a first top plate and a first side plate, the first top plate and a floor panel of the vehicle are arranged in a spaced mode, and a first installation part is formed; the first side plates are arranged at the two ends of the first top plate in the first direction, obliquely extend towards the floor panel and are connected with the floor panel. The second support comprises a second top plate and second side plates, the second top plate is arranged on the side, away from the floor panel, of the first top plate and forms a second mounting part right opposite to the first mounting part, and the second side plates are arranged at the two ends, in the second direction, of the second top plate, obliquely extend towards the floor panel and are connected with the floor panel; wherein the first direction is orthogonal to the second direction, and the first mounting part and the second mounting part are suitable for mounting seats of the vehicle. According to the installation support for the seat, the connection strength between the seat and the floor panel can be improved through the installation support.

Description

Technical Field

[0001] The present application relates to the field of vehicles, and in particular to a mounting bracket for a seat, a seat and a vehicle. Background Art

[0002] In the related art, in order to achieve the installation of car seats, a seat mounting nut plate is usually welded on the lower side of the car floor or on the upper surface of the floor through a reinforcement so that the car seat can be mounted on the floor by bolts. However, the strength and rigidity of this mounting structure are poor, and it is prone to deformation and other problems after long-term use. In addition, when the car collides, the impact force generated by the collision is transmitted to the seat mounting nut plate, which can easily cause the seat to fall off, posing a safety hazard. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present application is to provide a mounting bracket for a seat, which can improve the connection strength between the seat and the floor panel.

[0004] The application also provides a seat with the above-mentioned mounting bracket.

[0005] The application also provides a vehicle with the seat.

[0006] According to an embodiment of the present application, a mounting bracket for a seat includes: a first bracket, the first bracket includes a first top plate and a first side plate, the first top plate is spaced apart from a floor panel of a vehicle and is formed with a first mounting portion, the first side plates are arranged at both ends of the first top plate in a first direction and extend obliquely toward the floor panel and are connected to the floor panel; a second bracket, the second bracket includes a second top plate and a second side plate, the second top plate is arranged on a side of the first top plate away from the floor panel and is formed with a second mounting portion that is opposite to the first mounting portion, the second side plates are arranged at both ends of the second top plate in a second direction and extend obliquely toward the floor panel and are connected to the floor panel; wherein the first direction is orthogonal to the second direction, and the first mounting portion and the second mounting portion are suitable for mounting a seat of the vehicle.

[0007] According to the mounting bracket for a seat in an embodiment of the present application, the mounting bracket is provided with a first bracket and a second bracket, the first bracket and the second bracket respectively have a first side panel and a second side panel connected to the floor panel, the first bracket and the second bracket also have a first top panel and a second top panel for mounting a vehicle seat, the first side panel and the second side panel can be respectively arranged on the first top panel and the second top panel and extend obliquely toward the floor panel, the second bracket is located at the top end of the first bracket, and the use of the above-mentioned double-layer bracket structure can improve the overall strength of the mounting bracket, thereby improving the connection strength between the seat and the floor panel.

[0008] In some embodiments of the present application, a clamping portion extending in the first direction and / or the second direction is formed on one side of the first top plate facing the floor panel; the mounting bracket further includes: a mounting plate, the mounting plate is disposed on one side of the first top plate facing the floor panel and cooperates with the clamping portion, a third mounting portion is formed on the mounting plate and is disposed opposite to the first mounting portion, and the third mounting portion is adapted to mount a vehicle seat.

[0009] In some embodiments of the present application, the first mounting portion, the second mounting portion, and the third mounting portion are all configured as mounting holes, and the inner diameters of the first mounting portion, the second mounting portion, and the third mounting portion are d1, d2, and d3 respectively and satisfy: d3 < d1 ≤ d2.

[0010] In some embodiments of the present application, the clamping portion includes a first clamping plate and a second clamping plate, the first clamping plate is connected to the first top plate, the second clamping plate is connected to the free end of the first clamping plate and is spaced from the first top plate, and the mounting plate is disposed between the second clamping plate and the first top plate; wherein the distance between the mounting plate and the first clamping plate is L and satisfies: 1 mm ≤ L ≤ 2 mm.

[0011] In some embodiments of the present application, at least one end of the first top plate in the second direction forms a first flanging, and the first flanging extends obliquely toward the floor panel and is connected to the second side plate.

[0012] In some embodiments of the present application, at least one end of the second side plate in the first direction forms a second flanging extending in the second direction, and the second flanging is connected to the first side plate.

[0013] In some embodiments of the present application, one end of the first side plate facing the floor panel forms a first extension edge extending in the first direction, and the first extension edge is fixedly connected to the floor panel; one end of the second side plate facing the floor panel forms a second extension edge extending in the second direction, and the second extension edge is fixedly connected to the floor panel.

[0014] In some embodiments of the present application, reinforcing ribs are further formed on the first side plate and / or the second side plate.

[0015] The seat of the embodiment of the present application is briefly described below.

[0016] The seat according to the embodiment of the present application is provided with the mounting bracket of the above embodiment. Since the seat according to the embodiment of the present application is provided with the mounting bracket of the above embodiment, therefore, the mounting bracket of the seat is provided with a first bracket and a second bracket. The first bracket and the second bracket respectively have a first side plate and a second side plate connected to the floor panel. The first bracket and the second bracket also have a first top plate and a second top plate for mounting the vehicle seat. The first side plate and the second side plate can be respectively arranged on the first top plate and the second top plate and extend obliquely towards the floor panel. The second bracket is located at the top end of the first bracket. The above double-layer bracket structure can improve the connection strength between the seat and the floor panel.

[0017] The vehicle according to the embodiment of the present application will be briefly described below.

[0018] The vehicle according to the embodiment of the present application is provided with the seat of the above embodiment. Since the vehicle according to the embodiment of the present application is provided with the seat of the above embodiment, therefore, the seat of the vehicle is provided with a mounting bracket. The mounting bracket is provided with a first bracket and a second bracket. The first bracket and the second bracket respectively have a first side plate and a second side plate connected to the floor panel. The first bracket and the second bracket also have a first top plate and a second top plate for mounting the vehicle seat. Therefore, the connection strength between the seat of the vehicle and the floor panel is higher, ensuring the safety of the driver and passengers.

[0019] The additional aspects and advantages of the present application will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present application. Brief Description of the Drawings

[0020] The above and / or additional aspects and advantages of the present application will become apparent and be easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0021] Figure 1 is a schematic structural diagram of the mounting bracket according to the embodiment of the present application after being installed on the floor panel;

[0022] Figure 2 is Figure 1 explosion schematic diagram of;

[0023] Figure 3 is Figure 2 schematic structural diagram after the first bracket and the mounting plate in are matched;

[0024] Figure 4 is Figure 1 top view schematic diagram of;

[0025] Figure 5 is Figure 4 cross-sectional schematic diagram of A-A in;

[0026] Figure 6 isFigure 4 Schematic diagram of the cross section of BB.

[0027] Reference numerals:

[0028] 10. Install the bracket;

[0029] 11. first bracket; 111. first top plate; 1111. first mounting portion; 1112. first flange;

[0030] 112. first side plate; 1121. first extended edge; 1122. reinforcing rib;

[0031] 113, a clamping portion; 1131, a first clamping plate; 1132, a second clamping plate;

[0032] 12. second bracket; 121. second top plate; 1211. second mounting portion;

[0033] 122, second side plate; 1221, second flange; 1222, second extended edge;

[0034] 13. Mounting plate; 131. Third mounting portion; 20. Floor panel. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0036] Reference below Figures 1 - 6 A mounting bracket 10 for a seat according to an embodiment of the present application is described, wherein the mounting bracket 10 includes a first bracket 11 and a second bracket 12, the first bracket 11 includes a first top plate 111 and a first side plate 112, the first top plate 111 is spaced apart from a floor panel 20 of a vehicle and is formed with a first mounting portion 1111, the first side plate 112 is disposed at both ends of the first top plate 111 in a first direction and extends obliquely toward the floor panel 20 and is connected to the floor panel 20, the second bracket 12 includes a second top plate 121 and a second side plate 122, the second top plate 121 is disposed on a side of the first top plate 111 away from the floor panel 20 and is formed with a second mounting portion 1211 disposed opposite to the first mounting portion 1111, the second side plate 122 is disposed at both ends of the second top plate 121 in a second direction and extends obliquely toward the floor panel 20 and is connected to the floor panel 20, wherein the first direction is orthogonal to the second direction, and the first mounting portion 1111 and the second mounting portion 1211 are suitable for mounting a seat of a vehicle.

[0037] Currently, in order to install a vehicle seat, seat installation nut plates are usually welded to the lower side of the vehicle floor or, through a reinforcement member, to the upper surface of the floor to install the vehicle seat on the floor by bolts. However, the strength and stiffness of this installation structure are relatively poor, and problems such as deformation are likely to occur after long-term use. Moreover, when a vehicle collision occurs, the impact force generated by the collision is transmitted to the seat installation nut plate, easily causing the seat to fall off, presenting a safety hazard.

[0038] As Figure 1 and Figure 2 shown, specifically, the mounting bracket 10 may include a first bracket 11 and a second bracket 12. The first bracket 11 may include a first top plate 111 and a first side plate 112. The first top plate 111 may be disposed above the vehicle floor panel 20 and spaced apart from the vehicle floor panel 20. A first mounting portion 1111 may be formed on the first top plate 111, and the first mounting portion 1111 may be used to mount the vehicle seat. The first side plates 112 may be configured as two, and the two first side plates 112 may be respectively disposed at both ends of the first top plate 111 in the first direction, and the first side plates 112 can extend obliquely toward the floor panel 20. It should be noted that the two first side plates 112 extend obliquely away from each other, and the free ends of the first side plates 112 can be connected to the floor panel 20. Optionally, the first side plates 112 and the floor panel 20 can be detachably connected by screws or bolts, or the first side plates 112 and the floor panel 20 can be directly welded and fixed through the contact surface.

[0039] As Figure 2As shown, the second bracket 12 may include a second top plate 121 and second side plates 122. The second top plate 121 may be disposed on top of the first top plate 111, that is, the second top plate 121 may be located on the side of the first top plate 111 away from the floor panel 20. A second mounting portion 1211 may be formed on the second top plate 121. The second mounting portion 1211 may be used to mount a vehicle seat, and the second mounting portion 1211 may be disposed opposite to the first mounting portion 1111. Specifically, the second mounting portion 1211 and the first mounting portion 1111 may be disposed opposite to each other in the height direction, and both the first mounting portion 1111 and the second mounting portion 1211 may be used to mount a vehicle seat. The second side plates 122 may be configured as two, and the two second side plates 122 may be respectively disposed at both ends of the second top plate 121 in the second direction, where the second direction may be orthogonal to the first direction. The second side plates 122 can extend obliquely towards the floor panel 20. It should be noted that the two second side plates 122 can extend obliquely away from each other. The free ends of the second side plates 122 can be connected to the floor panel 20. Optionally, the second side plates 122 and the floor panel 20 can be directly welded and fixed through the contact surface. Both the first side plates 112 and the second side plates 122 can be connected to the floor panel 20. Among different vehicle series, the sizes of vehicle seats are different. Therefore, the position of the mounting bracket 10 can be directly changed to achieve the installation of the seat, improving the versatility of the mounting bracket 10. Specifically, the position of the mounting point can be changed up and down by adding a boss or a recess on a part of the floor panel 20, thereby being able to ensure the universality of the mounting bracket 10 to the greatest extent and meet the requirements of platformization and commonality. It should be noted that adding a boss or a recess can change the height of a part of the floor panel 20, that is, the position of a part of the floor panel 20 in the Z direction of the vehicle, so that the mounting bracket 10 can be applicable to different vehicle models and different vehicle seats. Compared with mounting the mounting bracket 10 on the floor beam, the layout method of the embodiment of the present application can improve the versatility and reliability of the mounting bracket 10.

[0040] Further, an energy absorption cavity may be formed between the first top plate 111, the first side plates 112, the second side plates 122, and the floor panel 20. When a vehicle collision occurs and the energy generated by the collision is transmitted to the mounting bracket 10 through the floor panel 20, the energy absorption cavity can absorb energy through deformation, preventing the vehicle seat from falling off from the first top plate 111 and the second top plate 121, ensuring the safety of the driver and passengers. And by providing a plurality of first side plates 112 and second side plates 122, the connection strength between the vehicle seat and the floor panel 20 can also be improved, enhancing the reliability of the mounting bracket 10.

[0041] Optionally, in some embodiments, the included angle between the first side plate 112 and the floor panel 20 may be α, and α may satisfy the condition: 15° ≤ α ≤ 30°, that is, the included angle between the first side plate 112 and the floor panel 20 may be any value between 15° and 30°. For example, the included angle between the first side plate 112 and the floor panel 20 may be, but is not limited to, 15°, 20°, 25°, 30°, etc. The included angle between the second side plate 122 and the floor panel 20 may be β, and β may satisfy the condition: 45° ≤ β ≤ 60°, that is, the included angle between the second side plate 122 and the floor panel 20 may be any value between 45° and 60°. For example, the included angle between the second side plate 122 and the floor panel 20 may be, but is not limited to, 45°, 50°, 55°, 60°, etc. Such a setting can ensure the connection strength between the mounting bracket 10 and the floor panel 20.

[0042] In short, the mounting bracket 10 of the embodiment of the present application is provided with a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 respectively have a first side plate 112 and a second side plate 122 connected to the floor panel 20. The first bracket 11 and the second bracket 12 also have a first top plate 111 and a second top plate 121 for mounting a vehicle seat. The first side plate 112 and the second side plate 122 can be respectively arranged on the first top plate 111 and the second top plate 121 and extend obliquely towards the floor panel 20. The second bracket 12 is located at the top end of the first bracket 11. The above double-layer bracket structure can improve the overall strength of the mounting bracket 10, and further improve the connection strength between the seat and the floor panel 20.

[0043] As Figure 2 and Figure 3 shown, in some embodiments of the present application, the mounting bracket 10 may further include a mounting plate 13. The mounting plate 13 can be arranged on the side of the first top plate 111 facing the floor panel 20. A clamping portion 113 is also formed on the side of the first top plate 111 facing the floor panel 20. The clamping portion 113 can extend in the first direction or the second direction, or a plurality of clamping portions 113 can be configured. Some of the clamping portions 113 can extend in the first direction, and the other part of the clamping portions 113 can extend in the second direction. The mounting plate 13 can cooperate with the clamping portion 113, and a third mounting portion 131 can be formed on the mounting plate 13. The third mounting portion 131 can be disposed opposite to the first mounting portion 1111. Among them, the third mounting portion 131 can be used to mount the vehicle seat. In a specific embodiment, the mounting plate 13 can play a role in fixing the vehicle seat, and the mounting plate 13 can cooperate with the clamping portion 113 to realize the limitation of the mounting plate 13.

[0044] Further, the first mounting portion 1111, the second mounting portion 1211, and the third mounting portion 131 are all configured as mounting holes. An internal thread may be formed on the third mounting portion 131. A bolt may pass through the mounting point of the seat, the first mounting portion 1111, and the second mounting portion 1211 and be threadedly engaged with the third mounting portion 131 to fix the seat. Among them, the inner diameters of the first mounting portion 1111, the second mounting portion 1211, and the third mounting portion 131 are d1, d2, and d3 respectively, and the inner diameters of the first mounting portion 1111, the second mounting portion 1211, and the third mounting portion 131 may satisfy: d3 < d1 ≤ d2. By setting the inner diameters of the first mounting portion 1111, the second mounting portion 1211, and the third mounting portion 131 within the above range, the dimensional tolerance effects caused by the seat mounting accuracy can be absorbed. Optionally, d1 may satisfy: 14.5 mm ≤ d1 ≤ 15.5 mm, d2 may satisfy: 13.5 mm ≤ d2 ≤ 14.5 mm, d3 may satisfy: 10.5 mm ≤ d3 ≤ 11.5 mm. In a specific embodiment, the inner diameter of the first mounting portion 1111 is 15 mm, the inner diameter of the second mounting portion 1211 is 14 mm, and the inner diameter of the third mounting portion 131 is 11 mm.

[0045] As Figure 5 and Figure 6 shown, in some embodiments of the present application, the clamping portion 113 may include a first clamping plate 1131 and a second clamping plate 1132. The first clamping plate 1131 can be connected to the first top plate 111. Optionally, the first clamping plate 1131 and the first top plate 111 may be configured as an integrally formed part. The second clamping plate 1132 can be connected to the free end of the first clamping plate 1131, and the second clamping plate 1132 can be spaced apart from the first top plate 111. The mounting plate 13 can be disposed between the second clamping plate 1132 and the first top plate 111. Among them, the distance between the mounting plate 13 and the first clamping plate 1131 is L, and the distance between the mounting plate 13 and the first clamping plate 1131 may satisfy: 1 mm ≤ L ≤ 2 mm. Preferably, L may be 1.5 mm. By setting the distance between the mounting plate 13 and the first clamping plate 1131 within the above range, the dimensional tolerance effects caused by the seat mounting accuracy can be absorbed. The gap between the mounting plate 13 and the second mounting plate 13 can be set between 0.5 mm and 1.5 mm. Preferably, the gap between the mounting plate 13 and the second mounting plate 13 may be 1 mm. By setting the gap between the mounting plate 13 and the second mounting plate 13 within the above range, the anti-corrosion performance of the mounting plate 13 can be ensured.

[0046] As Figure 2As shown, in some embodiments of the present application, a first flanging 1112 may be formed on the first top plate 111. The first flanging 1112 may be provided at at least one end of the first top plate 111 in the second direction, and the first flanging 1112 can extend obliquely towards the floor panel 20. Among them, the extending direction of the first flanging 1112 is the same as that of the second side plate 122. The first flanging 1112 and the second side plate 122 can be fixed by direct welding of the contact surfaces. By providing the first flanging 1112, the connection strength between the first bracket 11 and the second bracket 12 can be improved. A second flanging 1221 may also be formed on the second top plate 121. The second flanging 1221 may be provided at at least one end of the second side plate 122 in the first direction, and the second flanging 1221 can extend in the second direction. The second flanging 1221 can be attached to the upper surface of the first side plate 112 and fixed by direct welding of the contact surfaces. By providing the second flanging 1221, the connection strength between the first bracket 11 and the second bracket 12 can be further improved.

[0047] As Figure 2 shown, in some embodiments of the present application, a first extension edge 1121 may be formed on the side of the first side plate 112 facing the floor panel 20. The first extension edge 1121 can extend in the first direction and be fixedly connected to the floor panel 20. It can be understood that the first extension edge 1121 and the floor panel 20 can be fixed by direct welding of the contact surfaces. The first extension edge 1121 can increase the contact area between the first side plate 112 and the floor panel 20, thereby improving the connection strength between the first side plate 112 and the floor panel 20. A second extension edge 1222 may be formed on the side of the second side plate 122 facing the floor panel 20. The second extension edge 1222 can extend in the second direction and be connected to the floor panel 20. Among them, the second extension edge 1222 and the floor panel 20 can be fixed by direct welding of the contact surfaces. The second extension edge 1222 can increase the contact area between the second side plate 122 and the floor panel 20, thereby improving the connection strength between the second side plate 122 and the floor panel 20. Further, reinforcing ribs 1122 are also formed on the first side plate 112 and the second side plate 122. The reinforcing ribs 1122 can have the same extending direction as the first side plate 112 and the second side plate 122 to improve the structural strength of the first side plate 112 and the second side plate 122.

[0048] The seat of the embodiment of the present application will be briefly described below.

[0049] The seat according to the embodiment of the present application is provided with the mounting bracket 10 of the above embodiment. Since the seat according to the embodiment of the present application is provided with the mounting bracket 10 of the above embodiment, therefore, the mounting bracket 10 of this seat is provided with a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 respectively have a first side plate 112 and a second side plate 122 connected to the floor panel 20. The first bracket 11 and the second bracket 12 also have a first top plate 111 and a second top plate 121 for mounting the vehicle seat. The first side plate 112 and the second side plate 122 can be respectively arranged on the first top plate 111 and the second top plate 121 and extend obliquely towards the floor panel 20. The second bracket 12 is located at the top of the first bracket 11. Adopting the above double-layer bracket structure can improve the connection strength between the seat and the floor panel 20.

[0050] The vehicle according to the embodiment of the present application will be briefly described below.

[0051] The vehicle according to the embodiment of the present application is provided with the seat of the above embodiment. Since the vehicle according to the embodiment of the present application is provided with the seat of the above embodiment, therefore, the seat of this vehicle is provided with a mounting bracket 10. The mounting bracket 10 is provided with a first bracket 11 and a second bracket 12. The first bracket 11 and the second bracket 12 respectively have a first side plate 112 and a second side plate 122 connected to the floor panel 20. The first bracket 11 and the second bracket 12 also have a first top plate 111 and a second top plate 121 for mounting the vehicle seat. Therefore, the connection strength between the seat of this vehicle and the floor panel 20 is higher, ensuring the safety of the driver and passengers.

[0052] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 construed as a limitation to the present application.

[0053] In the description of the present application, the "first feature" and "second feature" may include one or more of such features.

[0054] In the description of the present application, the meaning of "a plurality" is two or more.

[0055] In the description of the present application, the first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but in contact through additional features therebetween.

[0056] In the description of the present application, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature.

[0057] In the description of this specification, the description with reference to terms such as "an embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0058] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An installation bracket for a seat, characterized in that, include: A first bracket (11), the first bracket (11) comprising a first top plate (111) and a first side plate (112), the first top plate (111) being spaced apart from a floor panel (20) of a vehicle and having a first mounting portion (1111), the first side plate (112) being arranged at both ends of the first top plate (111) in a first direction and extending obliquely toward the floor panel (20) and being connected to the floor panel (20); A second bracket (12), the second bracket (12) comprising a second top plate (121) and a second side plate (122), the second top plate (121) being arranged on a side of the first top plate (111) away from the floor panel (20) and being formed with a second mounting portion (1211) arranged opposite to the first mounting portion (1111), the second side plate (122) being arranged at both ends of the second top plate (121) in a second direction and extending obliquely toward the floor panel (20) and being connected to the floor panel (20); wherein The first direction is orthogonal to the second direction, and the first mounting portion (1111) and the second mounting portion (1211) are suitable for mounting a seat of a vehicle; A clamping portion (113) extending in the first direction and / or the second direction is formed on a side of the first top plate (111) facing the floor panel (20); The mounting bracket also includes: A mounting plate (13), wherein the mounting plate (13) is arranged on a side of the first top plate (111) facing the floor panel (20) and cooperates with the clamping portion (113), and a third mounting portion (131) is formed on the mounting plate (13) and is arranged opposite to the first mounting portion (1111), and the third mounting portion (131) is suitable for mounting a seat of a vehicle.

2. The mounting bracket for a seat according to claim 1, characterized in that, The first mounting portion (1111), the second mounting portion (1211) and the third mounting portion (131) are all configured as mounting holes, and inner diameters of the first mounting portion (1111), the second mounting portion (1211) and the third mounting portion (131) are d1, d2 and d3 respectively and satisfy the following: d3<d1≤d2.

3. The mounting bracket for a seat according to claim 1, characterized in that, The clamping portion (113) comprises a first clamping plate (1131) and a second clamping plate (1132), wherein the first clamping plate (1131) is connected to the first top plate (111), the second clamping plate (1132) is connected to the free end of the first clamping plate (1131) and is spaced apart from the first top plate (111), and the mounting plate (13) is disposed between the second clamping plate (1132) and the first top plate (111); wherein The distance between the mounting plate (13) and the first clamping plate (1131) is L and satisfies: 1 mm ≤ L ≤ 2 mm.

4. The mounting bracket for a seat according to claim 1, characterized in that, A first flange (1112) is formed at at least one end of the first top plate (111) in the second direction, and the first flange (1112) extends obliquely toward the floor panel (20) and is connected to the second side plate (122).

5. The mounting bracket for a seat according to claim 4, characterized in that, At least one end of the second side plate (122) in the first direction is formed with a second flanging (1221) extending in the second direction, and the second flanging (1221) is connected to the first side plate (112).

6. The mounting bracket for a seat according to claim 1, characterized in that, One end of the first side plate (112) facing the floor panel (20) is formed with a first extension edge (1121) extending in the first direction, and the first extension edge (1121) is fixedly connected to the floor panel (20); one end of the second side plate (122) facing the floor panel (20) is formed with a second extension edge (1222) extending in the second direction, and the second extension edge (1222) is fixedly connected to the floor panel (20).

7. The mounting bracket for a seat according to claim 6, characterized in that, Reinforcing ribs (1122) are further formed on the first side plate (112) and / or the second side plate (122).

8. A seat, characterized in that, Comprising a mounting bracket for a seat according to any one of claims 1-7.

9. A vehicle, characterized in that, Comprising a seat according to claim 8.

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