Seat supporting structure of commercial vehicle

By designing a quadrilateral structure for the support frame and connecting plate, the problem of stress concentration in the support legs of the seat during an impact is solved, improving the connection stability and deformation resistance between the seat and the vehicle floor.

CN223686398UActive Publication Date: 2025-12-19JIANGSU YASHI TECH CO LTD
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Patent Information

Application Number
CN202520205996.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2025-12-19
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

When existing car seats are impacted, stress concentration occurs on the support legs, resulting in insufficient connection stability and affecting the connection stability between the seat and the vehicle floor.

Method used

The design adopts a support frame plate with a structural hole in the middle and an integrally formed reinforced bending part on the hole wall. The side edges are provided with reinforced flanges. The connecting plate is fixed to the support frame plate by positioning blocks and positioning grooves to form a quadrilateral structure, which enhances the density and rigidity of the support points.

Benefits of technology

It improves the stability of the connection between the seat and the vehicle floor, enhances the resistance to deformation, and ensures the stability of the support structure and the reliability of the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a commercial vehicle seat supporting structure, and belongs to the field of vehicle structures, the commercial vehicle seat supporting structure comprises a supporting frame plate, the plate surface of the supporting frame plate is a vertical surface, a structural hole is formed in the middle of the supporting frame plate, the upper edge of the supporting frame plate is connected with a seat, and the lower edge of the supporting frame plate is connected with an in-vehicle floor. The fixed quadrilateral structure is formed between the seat and the in-vehicle floor, supporting points are distributed more densely in the front-back direction, the rigidity of a supporting object in the direction is higher, the deformation resistance is higher, and therefore the stability of the connecting state of the seat and the in-vehicle floor is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle structure, in particular to a business vehicle seat support structure. BACKGROUND

[0002] Current automobile seat design has many considerations in terms of safety, including the comfort, support and occupant protection of the seat when the vehicle is in a collision.

[0003] However, the specific design of the seat itself in terms of force transmission and offset when impacted is still insufficient: in the related art, the automobile seat includes a seat and a support leg, one end of the support leg is fixedly connected to the floor of the vehicle, and the other end is fixedly connected to the bottom of the seat; the support leg under a single seat usually has two, and each support leg is a single pipe steel. When the seat is subjected to a forward or rearward force, the forward tilting or backward tilting tendency of the seat and the support leg will form a stress concentration on the support leg, affecting the stability of the connection between the support leg and the floor of the vehicle. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the above problems, the present application provides a business vehicle seat support structure.

[0005] The business vehicle seat support structure provided by the present application adopts the following technical scheme:

[0006] A business vehicle seat support structure, comprising a support frame plate, the plate surface of the support frame plate is a vertical surface, a structure hole is formed in the middle of the support frame plate, the upper edge of the support frame plate is connected to the seat, and the lower edge is connected to the floor of the vehicle.

[0007] By adopting the above technical scheme, the seat and the floor of the vehicle form a fixed quadrilateral structure, the distribution of the support points in the front-rear direction is more intensive, the stiffness of the support in this direction is higher, and the anti-deformation ability is also higher, thereby improving the stability of the connection state of the seat and the floor of the vehicle.

[0008] Preferably, the side edge of the support frame plate is integrally formed with a reinforcing flange, and the reinforcing flange is inclined toward the middle of the seat relative to the support frame plate.

[0009] Preferably, the support frame plate is integrally formed with a reinforcing bending portion at the hole wall of the structure hole, and the reinforcing bending portion is inclined toward the middle of the seat relative to the support frame plate.

[0010] By adopting the above technical scheme, the front and rear edges of the support frame plate and the hole wall of the structure hole are all bent inward, so that the sharp corners on the outside of the support frame plate disappear.

[0011] Preferably, the length direction of the side edge of the support frame plate is obliquely arranged, and the lower end of the side edge of the support frame plate is obliquely arranged toward the front of the seat relative to the upper end.

[0012] Preferably, the upper edge and the lower edge of the support frame plate are both welded with a connecting plate, the plate surface of the connecting plate is horizontally arranged, the side edge of the connecting plate is attached to the side surface of the support frame plate and the reinforcing flange, the upper plate surface of the upper connecting plate is flush with the upper edge of the support frame plate, the lower plate surface of the lower connecting plate is flush with the lower edge of the support frame plate, and the connecting hole is arranged on the connecting plate for the bolt to pass through.

[0013] By adopting the above technical scheme, the connecting plate forms a horizontal plate surface on the upper edge of the support frame plate, which provides conditions for the bolt connection between the support frame plate and the seat and the floor, and also makes the relative form stability of the support frame plate and the reinforcing flange higher.

[0014] Preferably, the connecting hole is a waist-shaped hole, there are multiple connecting holes on a single connecting plate, and the length direction of the connecting hole is parallel to the arrangement direction of the multiple connecting holes.

[0015] Preferably, the side edge of the connecting plate is integrally formed with a positioning block, and the support frame plate or the reinforcing flange is provided with a positioning groove for the positioning block to be embedded.

[0016] By adopting the above technical scheme, the connecting plate and the support frame plate can be positioned relative to each other through the cooperation of the positioning block and the positioning groove, which facilitates the welding operation of the two.

[0017] Preferably, the reinforcing flange on the side edge of the support frame plate close to the front side of the seat is integrally formed with a clamping plate away from the support frame plate, the plate surface of the clamping plate is parallel to the plate surface of the support frame plate, and the clamping plate and the support frame plate respectively abut the opposite sides of the connecting plate.

[0018] In summary, the present application has the following at least one beneficial technical effect:

[0019] 1. By arranging the support frame plate with a structural hole, the seat and the floor in the vehicle form a fixed quadrilateral structure, the support points are more densely distributed along the front-rear direction, the support has higher rigidity in this direction, and the anti-deformation ability is also higher, thereby improving the stability of the connection state of the seat and the floor in the vehicle;

[0020] 2. By arranging the connecting plate, the connecting plate forms a horizontal plate surface on the upper edge of the support frame plate, which provides conditions for the bolt connection between the support frame plate and the seat and the floor, and also makes the relative form stability of the support frame plate and the reinforcing flange higher. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a side view schematic diagram for embodying the business car seat support structure in the embodiments of the present application.

[0022] Figure 2 is a whole schematic diagram for embodying the business car seat support structure in the embodiments of the present application.

[0023] Legend: 1, seat; 2, support frame plate; 21, structure hole; 211, reinforcing bent part; 22, reinforcing flange; 221, clamping plate; 23, positioning groove; 3, connecting plate; 31, connecting hole; 32, positioning block. DETAILED DESCRIPTION

[0024] The following will be described in detail in combination with the accompanying Figures 1-2 The present application is further described in detail.

[0025] The embodiments of the present application disclose a business car seat support structure, as shown in Figure 1 and 2 , comprising a support frame plate 2 and a connecting plate 3, the support frame plate 2 is located below the seat 1, the upper edge thereof is connected with the seat 1, and the lower edge thereof is connected with the floor of the car; the number of the support frame plates 2 below a single seat 1 is two, and the two support frame plates 2 are respectively located near the left and right edges of the seat 1.

[0026] As shown in Figure 1 and 2 , a structure hole 21 is formed in the middle of the support frame plate 2, a reinforcing bent part 211 is integrally formed on the support frame plate 2 and at the hole wall of the structure hole 21, and the reinforcing bent part 211 is inclined towards the middle of the seat 1 relative to the support frame plate 2; reinforcing flanges 22 are integrally formed on the front and rear edges of the support frame plate 2, and the reinforcing flanges 22 are also inclined towards the middle of the seat 1 relative to the support frame plate 2, so that the outer side of the support frame plate 2 has no sharp corner structure.

[0027] As shown in Figure 1 , the length direction of the side edge of the support frame plate 2 is inclined, the lower end of the side edge of the support frame plate 2 is inclined towards the front of the seat 1 relative to the upper end, and in the projection perpendicular to the plate surface direction of the support frame plate 2, the shape of the support frame plate 2 is approximately a parallelogram. Therefore, the seat 1 and the floor of the car form a fixed quadrilateral structure, the distribution of support points in the front-rear direction is relatively dense, the rigidity of the support object in this direction is relatively high, the anti-deformation ability is also relatively high, and the purpose of improving the stability of the connection state of the seat 1 and the floor of the car is achieved.

[0028] As shown in Figure 2As shown, the single support frame plate 2 and the two connecting plates 3 are welded and fixed, and the two connecting plates 3 are located at the upper edge and the lower edge of the support frame plate 2 respectively. The length direction of the connecting plate 3 is the front-rear direction, the plate surface of the connecting plate 3 is horizontal, the side edge of the connecting plate 3 is attached to the side surface of the support frame plate 2 and the reinforcing flange 22, the upper plate surface of the upper connecting plate 3 is flush with the upper edge of the support frame plate 2, and the lower plate surface of the lower connecting plate 3 is flush with the lower edge of the support frame plate 2. The reinforcing flange 22 located at the side edge of the support frame plate 2 close to the front side of the seat 1 is integrally formed with a clamping plate 221 away from the support frame plate 2, the plate surface of the clamping plate 221 is parallel to the plate surface of the support frame plate 2, and the clamping plate 221 and the support frame plate 2 abut against the opposite sides of the connecting plate 3 to form relative clamping. The side edge of the connecting plate 3 is integrally formed with a positioning block 32, and the reinforcing flange 22 on both sides is provided with a positioning groove 23 for embedding the positioning block 32. During the installation of the connecting plate 3 and the support frame plate 2, the connecting plate 3 and the support frame plate 2 can be positioned relative to each other through the cooperation of the positioning block 32 and the positioning groove 23, which facilitates the welding operation.

[0029] As shown in Figure 1 and 2 The bolt head (not shown in the figure) is fixedly connected to the seat 1 and the floor of the vehicle, and the connecting hole 31 is provided on the connecting plate 3 for the bolt to pass through. The connecting hole 31 on the lower connecting plate 3 has four, and the connecting hole 31 on the upper connecting plate 3 has two. The arrangement direction of the plurality of connecting holes 31 on each connecting plate 3 is consistent with the length direction of the connecting plate 3, and each connecting hole 31 is a waist-shaped hole, and the length direction of the connecting hole 31 is consistent with the length direction of the connecting plate 3.

[0030] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A commercial vehicle seat support structure characterized by: The support frame plate (2) has a vertical plate surface, a structure hole (21) is formed in the middle of the support frame plate (2), and the upper edge of the support frame plate (2) is connected with the seat (1) and the lower edge is connected with the floor of the vehicle.

2. A commercial vehicle seat support structure according to claim 1, characterized in that: The side edge of the support frame plate (2) is integrally formed with a reinforcing flange (22) which is inclined towards the middle of the seat (1) relative to the support frame plate (2).

3. A commercial vehicle seat support structure according to claim 1 or 2, characterized in that: The support frame plate (2) is integrally formed with a reinforcing bending part (211) on the hole wall of the structure hole (21), and the reinforcing bending part (211) is inclined towards the middle of the seat (1) relative to the support frame plate (2).

4. A commercial vehicle seat support structure according to claim 1 or 2, characterized in that: The length direction of the side edge of the support frame plate (2) is inclined, and the lower end of the side edge of the support frame plate (2) is inclined towards the front of the seat (1) relative to the upper end.

5. A business class seat support structure according to claim 2, wherein: The upper edge and the lower edge of the support frame plate (2) are both welded and fixed with a connecting plate (3), the plate surface of the connecting plate (3) is horizontal, the side edge of the connecting plate (3) is attached to the side surface of the support frame plate (2) and the reinforcing flange (22), the upper plate surface of the upper connecting plate (3) is flush with the upper edge of the support frame plate (2), the lower plate surface of the lower connecting plate (3) is flush with the lower edge of the support frame plate (2), and the connecting plate (3) is provided with a connecting hole (31) for the bolt.

6. A commercial vehicle seat support structure according to claim 5, characterized in that: The connecting hole (31) is a waist-shaped hole, there are multiple connecting holes (31) on a single connecting plate (3), and the length direction of the connecting hole (31) is parallel to the arrangement direction of the multiple connecting holes (31).

7. A commercial vehicle seat support structure according to claim 5 or 6, characterised in that: The side edge of the connecting plate (3) is integrally formed with a positioning block (32), and the support frame plate (2) or the reinforcing flange (22) is provided with a positioning groove (23) for embedding the positioning block (32).

8. A commercial vehicle seat support structure according to claim 5 or 6, characterized in that: The side of the reinforcing flange (22) which is located on the side edge of the support frame plate (2) near the front of the seat (1) is integrally formed with a clamping plate (221) which is away from the support frame plate (2), the plate surface of the clamping plate (221) is parallel to the plate surface of the support frame plate (2), and the clamping plate (221) and the support frame plate (2) respectively abut the opposite sides of the connecting plate (3).