CN219635036U - Front seat framework and vehicle - Google Patents

Abstract

The utility model provides a front seat framework and a vehicle. The front seat framework comprises a base framework and a backrest framework which are connected in a pivoting manner. Wherein, the back skeleton is including the back boundary beam of symmetry in back skeleton left and right sides, and the base skeleton is including the base boundary beam of symmetry in base skeleton left and right sides, all is equipped with the entablature between the bottom of two back boundary beams and between the front end of two base boundary beams moreover. According to the front-row seat framework, the backrest reinforcing cross beams are arranged between the bottoms of the backrest side beams at the two sides, so that the structural strength and stability of the bottom of the backrest framework can be effectively improved, and the base reinforcing cross beams are arranged between the front ends of the base side beams at the two sides, so that the structural performance of the front part of the base framework can be effectively enhanced, and the overall structural strength of the front-row seat framework is improved.

Description

Front seat framework and vehicle

Technical Field

The utility model relates to the technical field of vehicle seats, in particular to a front seat framework. In addition, the utility model also relates to a vehicle.

Background

Front seats of automobiles occupy important positions in a driving cabin, so that the automobile has high riding utilization rate, relatively complex structure and function and is the most direct automobile part felt by users. The vibration condition of the front seat is directly fed back to the user, so the control of the vibration comfort of the seat is an important control index of the NVH (Noise, vibration, harshness, noise, vibration and harshness) performance of the vehicle.

The existing seat framework structural design is insufficient in consideration of structural strength of key parts, vibration energy transmitted to a vehicle body by a power assembly, a cooling system and a running system cannot be sufficiently attenuated, and then the vibration energy is transmitted to the seat framework through an installation connection point between the vehicle body and a seat, so that the seat is vibrated, and the requirement of a user on increasing comfort of driving a vehicle cannot be met.

Disclosure of Invention

In view of the above, the present utility model aims to provide a front seat frame to improve the overall structural strength of the front seat frame.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a front seat framework comprises a base framework and a backrest framework which are connected in a pivoting way; the backrest framework comprises backrest side beams symmetrically arranged on the left side and the right side of the backrest framework, the base framework comprises base side beams symmetrically arranged on the left side and the right side of the base framework, and reinforcing cross beams are arranged between the bottoms of the backrest side beams and between the front ends of the base side beams.

Further, the reinforcing beam is an integrally punched sheet metal part.

Further, the reinforcing beam comprises a backrest reinforcing beam arranged between the two backrest side beams; the backrest reinforcing cross beam comprises a first plate body and a second plate body which are bent, wherein the end part of the first plate body is lapped at the bottom of the rear side of the backrest boundary beam at the corresponding side, and the end part of the second plate body is lapped at the bottom of the backrest boundary beam at the corresponding side.

Further, along the direction approaching the backrest boundary beam, the width dimensions of the end parts of the first plate body and the second plate body are gradually increased.

Further, a first pit which is concave towards the front of the front seat is formed on the first plate body, and a reinforcing protrusion is formed at the bottom of the first pit; and/or a second pit which is concave towards the upper part of the front row of seats is formed on the second plate body.

Further, the backrest side beam is provided with a main plate body which is perpendicular to the width direction of the front row of seats, and a reinforcing flanging which is formed at the edge part of the main plate body, and an arched reinforcing bracket is arranged on the reinforcing flanging at the front side edge of the main plate body.

Further, the front side edge and the rear side edge of the main board body are arc-shaped and arched towards the front of the front row of seats, and the width of the main board body is gradually increased from top to bottom; and/or, the main board body is formed with a reinforcing groove, and at least part of the edge of the reinforcing groove is in a roundabout bending shape.

Further, the reinforcing beam comprises a base reinforcing beam arranged between the two base side beams; the base reinforcing beam comprises a base plate and flanging formed at the edges of the front side edge and the end part of the base plate, two ends of the base plate are respectively lapped on the base side beam at the corresponding side, and an upward-convex or downward-concave reinforcing structure is formed on the base plate.

Further, the substrate comprises a bearing part positioned between the two base side beams and overlapping parts respectively arranged at two ends of the bearing part; the lap joint part is connected with the base side beam at the corresponding side, and the bearing part is concavely arranged relative to the lap joint part;

the reinforcing structure comprises a first bulge arranged along the front side edge part, a second bulge and a third bulge which are arranged on the bearing part at intervals, and a first groove formed on the lap joint part.

Compared with the prior art, the utility model has the following advantages:

according to the front-row seat framework, the backrest reinforcing cross beams are arranged between the bottoms of the backrest side beams at the two sides, so that the structural strength and stability of the bottom of the backrest framework can be effectively improved, and the base reinforcing cross beams are arranged between the front ends of the base side beams at the two sides, so that the structural performance of the front part of the base framework can be effectively enhanced, and the overall structural strength of the front-row seat framework is improved.

In addition, through set up back entablature between the bottom of the back boundary beam of both sides, back entablature adopts the transversal structure of personally submitting the form of buckling simultaneously, overlap joint in back side bottom and the bottom of back boundary beam, then have structural property stable, be difficult for receiving the characteristics that excites and vibrate to structural strength and stability in back skeleton bottom can effectively be promoted.

Another object of the present utility model is to provide a vehicle, in which the front seat frame of the present utility model is used in a front seat of the vehicle. The vehicle of the present utility model has the technical advantages of the front seat frame.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:

FIG. 1 is a schematic view of an overall structure of a front seat frame according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a backrest frame according to an embodiment of the present utility model in the X-direction view of fig. 1;

FIG. 3 is a partial side view of a back frame according to one embodiment of the present utility model;

FIG. 4 is a top view of a front seat frame according to an embodiment of the present utility model;

FIG. 5 is a front view of a chassis frame according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of the base skeleton shown in fig. 5 from a front upper view.

Reference numerals illustrate:

1. a back rest frame; 10. a headrest bracket; 11. a top frame; 12. a backrest side beam; 120. a main board body; 121. a front side edge; 122. a rear side edge; 123. reinforcing flanging; 124. reinforcing the support; 125. reinforcing grooves; 1250. a rear edge; 126. a bottom end;

2. a backrest reinforcement beam; 21. a first plate body; 210. a first pit; 211. reinforcing the protrusion; 22. a second plate body; 220. a second pit;

30. a back spring; 31. a cushion spring;

4. a base skeleton; 40. a base side beam; 41. a base reinforcing beam; 410. a substrate; 410a, a support part; 410b, a lap joint; 4101. a front side edge portion; 4102. a rear side edge portion; 4103. an end edge; 411. flanging; 4121. a first protrusion; 4122. a second protrusion; 4123. a third protrusion; 4124. a fourth protrusion; 4131. a third groove; 4132. a second groove; 4133. a first groove; 414. a bolt;

5. a seat slide rail; 6. a seat rotating shaft; 7. and (5) installing a guide rail.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper, lower, left, right, front, rear, inner, outer" or the like are used, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be constructed or operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the present embodiment, the terms "upper, lower, left, right, front, and rear" are defined with reference to the up-down direction (also referred to as the height direction), the left-right direction (also referred to as the width direction), and the front-rear direction (also referred to as the length direction) of the vehicle. In particular, as shown in the drawings, the X direction is the front-rear direction of the vehicle, wherein the side pointed by the arrow is the "front", and vice versa. The Y direction is the left-right direction of the vehicle, wherein the side pointed by the arrow is "left", and vice versa. The Z direction is the up-down direction of the vehicle, wherein the side pointed by the arrow is "up", and vice versa. The "inner and outer" are defined with reference to the contour of the corresponding component, for example, "inner" and "outer" are defined with reference to the contour of the vehicle, with "inner" being the side of the contour of the vehicle closer to the vehicle middle, and "outer" being the opposite.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases. The terms first, second, third, fourth, etc. are used in the description of the present utility model only to distinguish between similar features at different locations, or uses, etc. for the purpose of avoiding ambiguity, confusion, and should not be construed as indicating or implying relative importance.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The embodiment relates to a front seat framework, which can improve the overall structural strength of the front seat framework; an exemplary configuration of which is shown in fig. 1 and 2.

The front seat framework comprises a base framework 4 and a backrest framework 1 which are connected in a pivoting way; the backrest frame 1 comprises backrest side beams 12 symmetrically arranged at the left side and the right side of the backrest frame 1, the base frame 4 comprises base side beams 40 symmetrically arranged at the left side and the right side of the base frame 4, and reinforcing cross beams are arranged between the bottoms of the two backrest side beams 12 and between the front ends of the two base side beams 40.

There are, of course, a variety of designs for the overall structure of the front seat frame. In the present embodiment, as shown in fig. 1, the overall skeleton of the front seat includes a base skeleton 4 and a back skeleton 1 pivotally connected by a seat pivot shaft 6, and the back skeleton 1 can be rotated relative to the base skeleton 4 to adjust the angle of the seat back. The base frame 4 is slidably disposed on the mounting rail 7 through the seat slide rail 5 at the bottom of the base frame, and the mounting rail 7 is fixedly mounted on the vehicle body. Of course, in order to improve the seating comfort of the seat, a back spring 30 is provided in the back frame 1, and a seat cushion spring 31 is provided in the base frame 4 to improve the elasticity of the back and the seat cushion.

In the present embodiment, the reinforcement beam includes a backrest reinforcement beam 2 provided on the backrest frame 1, and a base reinforcement beam 41 provided on the base frame 4. Specifically, the base frame 4 includes two base side beams 40 that are arranged in bilateral symmetry, a base reinforcing beam 41 is connected between the top ends of the two base side beams 40, and the cushion spring 31 is connected between the two base side beams 40 and the base reinforcing beam 41. The backrest frame 1 comprises backrest side beams 12 symmetrically arranged at the left side and the right side of the backrest frame 1, and backrest reinforcing cross beams 2 connected between the bottoms of the two backrest side beams 12. The backrest spring 30 is connected between the two backrest frames 12. Meanwhile, the backrest frame 1 further comprises a top frame 11 arranged between the tops of the two backrest side beams 12, and a headrest support 10 arranged on the top frame 11, wherein the top frame 11 forms a top structure of the backrest frame 1, and the headrest support 10 is used for installing a headrest of a front seat.

It should be noted that the base side rail 40, the base reinforcing beam 41, the backrest side rail 12 and the backrest reinforcing beam 2 may be manufactured by various methods and materials, and in this embodiment, each beam body is preferably a sheet metal part formed by integral stamping.

The installation of the back frame 1 and the base frame 4 will be described below.

As shown in fig. 2 and 3 in combination with fig. 1, the back reinforcement cross member 2 of the present embodiment includes a first plate 21 and a second plate 22 that are bent, wherein an end of the first plate 21 is overlapped with a rear bottom of the backrest side beam 12 on the corresponding side, and an end of the second plate 22 is overlapped with a bottom end 126 of the backrest side beam 12 on the corresponding side.

As shown in fig. 2, in the present embodiment, both ends of the backrest reinforcement cross member 2 are widened, that is, the width dimensions of the ends of the first plate body 21 and the second plate body 22 are gradually increased in a direction approaching the backrest side member 12. The end parts of the first plate body 21 and the second plate body 22 are designed into a horn-like structural form, so that the connection area between the backrest reinforcing cross beam 2 and the backrest boundary beam 12 can be effectively increased, and the connection strength between the backrest boundary beam 12 and the backrest reinforcing cross beam 2 is improved, so that the structural stability of the bottom of the backrest framework 1 is further improved.

The horn mouth structure at the end part of the backrest reinforcing beam 2 has the characteristics of large structural strength and large connecting area, and is beneficial to reducing the sensitivity of the part to vibration response while improving the connecting strength between the backrest boundary beam 12 and the backrest reinforcing beam 2. The first plate body 21 and the second plate body 22 of the backrest reinforcing beam 2 are bent, so that the cross section of the beam body is L-shaped, and the integral strength of the backrest reinforcing beam 2 can be enhanced.

In the present embodiment, the first plate 21 is formed with a first recess 210 recessed toward the front of the front seat, and the second plate 22 is formed with a second recess 220 recessed toward the upper of the front seat. The pit-shaped reinforcing structures are arranged on the first plate body 21 and the second plate body 22, so that the overall structural strength of the backrest reinforcing beam 2 can be effectively improved; the first recess 210 is recessed forward and the second recess 220 is recessed upward, so that a bulged shape is not generated at the outside of the front seat, thereby securing the external neatness of the front seat. Of course, only one of the first and second recesses 210 and 220 may be provided, but it is preferable that both of the first and second recesses 210 and 220 are provided.

In this embodiment, the first pit 210 is a large arch pit structure with a depth of 8mm, and is in a strip shape as a whole, and extends from one end of the first plate 21 to the other end; meanwhile, an elongated or oval reinforcing protrusion 211 having a protrusion height of 8mm is designed at a weak position in the middle of the bottom of the first recess 210. The reinforcing protrusions 211 are disposed along the length direction of the first plate body 21 and are provided at the middle position of the bottom of the first recess 210. The second recess 220 is a small arched recess structure having a depth of 5mm, and is also elongated in shape, and extends from one end of the second plate 22 to the other end.

The first recess 210 and the second recess 220 are formed in a long shape and extend over the entire length of the backrest reinforcing member 2, thereby enhancing the structural reinforcement effect. The bottom of the first pit 210 is provided with the reinforcing protrusion 211, which is beneficial to further improving the self strength of the first plate 21; through foretell setting, can effectively promote the intensity of back entablature 2, and then promote the connection stability between back skeleton 1 and the base skeleton 4, reduce the sensitivity of front seat to vibration response when receiving the excitation.

As shown in fig. 3, the backrest side rail 12 of the present embodiment has a main plate body 120 provided perpendicularly to the width direction of the front seat, and a reinforcing flange 123 formed at the edge portion of the main plate body 120. The main board body 120 of the backrest boundary beam 12 is arranged vertically to the width direction of the front row seat, so that side walls on two sides of the backrest of the front row seat can be well formed; meanwhile, the reinforcing flanges 123 are arranged at the edges of the front side, the rear side and the like of the main board body 120, so that the overall structural strength of the backrest boundary beam 12 can be improved.

The overall structural shape of the backrest side beam 12 is of course selected in various ways, specifically, the backrest side beam 12 in this embodiment is formed by stamping a plate with a thickness of 1mm, so as to improve the structural strength and the following design effect with the front seat shape, and the backrest side beam 12 is designed to have a wide bottom and a narrow upper part; i.e., the width of the main board body 120 is gradually increased from top to bottom. Further, in the present embodiment, the front side edge 121 and the rear side edge 122 of the main plate body 120 each have an arc shape that arches toward the front of the front seat. Preferably, in the present embodiment, the front edge 121 is designed as an arch with an aspect ratio of 0.12, the front edge 121 is designed with a stiffening cuff 123 with a width of 17mm, the rear edge 122 is designed as an arch with an aspect ratio of 0.03, and the rear edge 122 is designed with a stiffening cuff 123 with a width of 38 mm. Through the above arrangement, the overall strength of the backrest boundary beam 12 can be improved by utilizing the arched and flanging structures.

Moreover, the width dimension of the main board 120 of the backrest boundary beam 12 is designed to be gradually increased from top to bottom, so that the structural stability of the bottom of the backrest framework 1 can be effectively improved, and the bearing distribution condition of the backrest framework 1 is appropriate; the front side edge 121 and the rear side edge 122 of the main board body 120 are designed to be arched, so that the support stability of the backrest frame 12 is better, and the overall stability of the backrest frame 1 and the capability of bearing the back of a human body are improved.

In addition, an arched reinforcing bracket 124 may be provided on the reinforcing flange 123 of the front side edge 121 of the main plate body 120. The backrest side beam 12 of the present embodiment is not designed to protrude too far toward the front of the front seat, but is designed in the form of a reinforcing bracket 124; thus, the weight of the back frame 1 can be reduced while the supporting effect of the back side frame 12 on the lumbar of the human body is improved.

The reinforcing bracket 124 is provided on the reinforcing flange 123 at the front side edge 121 of the main plate body 120, so that the structural stability of the bottom of the back frame 1 can be further improved. Preferably, the reinforcing brackets 124 are made by bending reinforcing steel bars with the diameter of 6mm, and the reinforcing brackets 124 on the reinforcing flanges 123 of each front side edge 121 are designed into two continuous arch structures, so that M-shaped reinforcing brackets 124 are formed; the two arches on the reinforcing support 124 arch towards the front of the front row seat, and when the structural strength of the backrest boundary beam 12 is improved by utilizing the characteristic of high M-shaped structural strength, the supporting effect of the backrest boundary beam 12 on the soft decoration structure of the seat is improved, so that the wrapping property of the front row seat is improved.

In addition, the main board 120 of the present embodiment is further formed with a reinforcing groove 125, and at least a portion of the edge of the reinforcing groove 125 is in a roundabout curve shape. The main plate body 120 is provided with the reinforcing groove 125, so that the structural strength of the backrest boundary beam 12 can be further enhanced, and the structural reinforcing effect of the reinforcing groove 125 can be remarkably improved by designing part of the edge of the reinforcing groove 125, for example, the rear edge 1250 near the rear edge 122 side, to be curved and roundabout. Preferably, the reinforcing groove 125 is designed to have a depth of 6mm, the front edge of which follows the shape of the front edge 121 and the rear edge 1250 of which is designed to have an M-shaped roundabout structure, so that the structural strength of the backrest side beam 12 can be enhanced and the sensitivity of the backrest side beam 12 to vibration response can be reduced when vibration is transmitted to the position.

From the above, in the backrest frame 1 of this embodiment, the backrest reinforcement beam 2 is disposed between the bottoms of the backrest side beams 12 on both sides, and meanwhile, the backrest reinforcement beam 2 adopts a structure with a bent cross section, and is lapped at the bottom and the bottom end 126 of the back side beam 12, so that the backrest frame 1 has the characteristics of stable structural performance and difficult excitation and vibration, thereby effectively improving the structural strength and stability of the bottom of the backrest frame 1. In this way, vibration excitation from the front seat bottom is greatly attenuated when transmitted toward the back frame 1, first, when passing through the back reinforcement cross member 2, thereby improving the riding comfort of the front seat.

As shown in fig. 4 in combination with fig. 1, the base reinforcing beam 41 of the base frame 4 of the present embodiment includes a base plate 410, and a flange 411 formed at a front side edge portion 4101 and an end edge 4103 of the base plate 410; wherein, two ends of the base plate 410 are respectively overlapped on the corresponding side of the base side beams 40, that is, the base plate 410 is connected between the front ends of the base side beams 40 on the left and right sides, and an upward convex or downward concave reinforcing structure is formed on the base plate 410.

Specifically, as shown in fig. 5, the flange 411 of the present embodiment is formed by bending downward the base frame 4, and preferably, the height H of the flange 411 is 30mm to 40mm; for example, 30mm, 35mm, 40mm, etc. can be used. The flange 411 can improve the overall structural strength of the base reinforcing beam 41, and further improve the local structural strength of the base skeleton 4, so as to provide support for the increase of the overall structural strength of the front seat and the reduction of the sensitivity to vibration response. The turned edge 411 is downwards bent and formed, so that the seat cushion is conveniently paved on the base framework 4; the height of the flange 411 is set between 30mm and 40mm, so that the base portion of the front seat can have a reasonable thickness dimension while the structural reinforcing effect of the flange 411 is ensured.

As shown in fig. 4 and 6, in the present embodiment, the rear side edge portion 4102 and the front side edge portion 4101 of the base plate 410 each have an arch shape that arches toward the front of the front seat. The rear side 4102 and the front side 4101 of the base 410 are designed to be arched forward, so that the overall structural strength of the base reinforcing beam 41 can be improved, and the influence of external vibration excitation on the front seat can be attenuated by virtue of the energy absorption and vibration reduction characteristics of the arch structure, thereby improving the structural stability of the base skeleton 4 and the riding comfort of the front seat. The arched structure has curved transitions at the corners of the base reinforcement beam 41, which also facilitates the reinforcement of structural strength at the transition junctions on both sides of the base reinforcement beam 41.

There are, of course, a variety of different arrangements for the placement of the reinforcing structures on the substrate 410. In the present embodiment, as shown in fig. 4 and 6, the reinforcing structure includes a first protrusion 4121 provided along the front side edge portion 4101 in an elongated shape, the width T of the first protrusion 4121 being 10mm to 15mm; for example, 10mm, 12mm, 14mm, etc. can be used. The protrusion height of the first protrusion 4121 is preferably set to 6mm. The elongated first protrusions 4121 are provided along the front side edge portion 4101, which effectively improves the structural strength of the front side edge portion 4101 of the base reinforcement beam 41, thereby providing reliable support for the thigh portion of the human body.

Based on the above arrangement, the reinforcing structure further includes a plurality of third grooves 4131 spaced on the first protrusion 4121, each third groove 4131 is elliptical and perpendicular to the first protrusion 4121, and extends from the top of the first protrusion 4121 to the flange 411. In the present embodiment, three third grooves 4131 are uniformly distributed on the first protrusion 4121 at intervals, one third groove 4131 is disposed in the middle of the front side edge portion 4101, and two third grooves 4131 are symmetrically disposed on the left and right sides of the third groove 4131. The third grooves 4131 are provided on the first protrusion 4121 at intervals, so that the structural strength of the front side portion 4101 of the substrate 410 can be further improved.

In addition, the substrate 410 of the present embodiment includes a supporting portion 410a located between the two base side beams 40, and overlapping portions 410b respectively disposed at two ends of the supporting portion 410 a; the bridging portion 410b is connected to the base side rail 40 on the corresponding side, and the receiver portion 410a is disposed to be recessed with respect to the bridging portion 410 b. The substrate 410 is designed into a concave arch structure, so that the overall structural strength of the base reinforcing beam 41 can be effectively enhanced; the overlap portion 410b is higher than the support portion 410a, so as to facilitate the improvement of the wrapping property of the seat base portion on the buttocks of the human body.

The reinforcement structure further includes second protrusions 4122 and third protrusions 4123 disposed on the bearing portion 410a along the length direction of the base reinforcement beam 41, based on the disposition of the bearing portion 410a and the overlap portion 410b; meanwhile, a plurality of elongated fourth protrusions 4124 are included, which are obliquely disposed at the connection portion of the supporting portion 410a and the overlap portion 410 b.

Specifically, the second protrusion 4122 is disposed in the middle of the supporting portion 410a and has a long strip shape; the design width is 30mm, the height of the bulge is 8mm, and the length is 314mm; the structural strength of the middle portion of the base reinforcing beam 41 can be enhanced by providing the second protrusions 4122.

The third protrusion 4123 is provided near the rear side edge portion 4102 of the substrate 410, and takes a long strip shape; the height of the designed bulge is 20mm, and the length of the designed bulge is 335mm, so that the structural strength of the rear part of the base reinforcing beam 41 is improved, and the sensitivity of the base reinforcing beam 41 to vibration response is reduced.

The four protrusions 4124 are six, three protrusions are respectively arranged at two ends of the bearing portion 410a at intervals, and the heights of the protrusions are 5mm, so that the structural strength of the weak part of the transition part of the bearing portion 410a and the lap joint portion 410b is improved, and the connection stability between the base reinforcing beam 41 and the base side beam 40 is improved. The second protrusion 4122 and the third protrusion 4123 provided on the support portion 410a can provide a significant reinforcing effect on the structural strength of the support portion 410a in both the length and width directions.

In addition, the reinforcing structure further includes a plurality of second grooves 4132 formed on the supporting portion 410a at intervals, and a first groove 4133 formed on the overlapping portion 410 b. Wherein each second groove 4132 is disposed intersecting the second protrusion 4122. A through hole is formed in the bottom of the first groove 4133, and the lap portion 410b is connected to the base side rail 40 by a bolt 414 passing through the through hole formed in the bottom of the first groove 4133.

Specifically, in the present embodiment, the second grooves 4132 are two rectangular grooves symmetrically disposed about the center line of the base frame 4, and the second protrusions 4122 penetrate the two second grooves 4132. The first groove 4133 is designed to have a width of 51mm, a length of 78mm and a depth of 11mm. The second groove 4132 may further improve the structural strength of the middle portion of the base reinforcing beam 41, and reduce the sensitivity of the base reinforcing beam 41 to vibration response.

The second groove 4132 is disposed on the supporting portion 410a, and the structural strength of the middle portion of the substrate 410 can be greatly improved by the cross-matching between the second groove 4132 and the second protrusion 4122. By providing the first groove 4133 on the lap portion 410b, not only the self structural strength of the lap portion 410b can be enhanced, but also a good condition can be provided for the mounting arrangement of the bolts 414, preventing the heads of the bolts 414 from protruding to easily puncture the seat cushion of the front seat.

As can be seen from the above, in the base skeleton 4 of the present embodiment, by arranging the base reinforcing beam 41 between the front ends of the base side beams 40 on both sides, the structural strength of the base reinforcing beam 41 itself can be effectively improved by using the flange 411 at the edge of the base plate 410 of the base reinforcing beam 41 and the reinforcing structure formed on the base plate 410; by connecting the base reinforcing cross members 41 between the base side members 40 on both sides, the structural performance of the front portion of the base frame 4 can be effectively enhanced, thereby improving the overall structural stability of the base frame 4 of the front seat.

In summary, in the front seat frame of the present embodiment, the backrest reinforcement beam 2 is disposed between the bottoms of the backrest side beams 12 on both sides, so that the structural strength and stability of the bottom of the backrest frame 1 can be effectively improved, and the base reinforcement beam 41 is disposed between the front ends of the base side beams 40 on both sides, so that the structural performance of the front portion of the base frame 4 can be effectively enhanced, thereby improving the overall structural strength of the front seat frame.

Example two

The present embodiment relates to a vehicle having a front seat employing the front seat frame provided in the first embodiment.

According to the vehicle of the embodiment, the backrest reinforcing cross beam 2 is arranged at the bottom of the backrest framework 1, so that the structural strength of the backrest framework 1 can be improved, and the damping capacity of the framework of the front seat on vibration transmitted to a vehicle body through the power assembly, the cooling system and the driving system is improved, so that a comfortable vehicle driving space is created for a user. The base reinforcing beam 41 is provided at the front end of the base frame 4, so that the overall structural stability of the base frame 4 can be improved, and the damping capacity of the frame of the front seat to vibration transmitted to the vehicle body by the power assembly, the cooling system and the driving system is improved, thereby creating a comfortable vehicle driving space for a user.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. A front seat framework comprises a base framework (4) and a backrest framework (1) which are connected in a pivoting way; the method is characterized in that:

the backrest framework (1) comprises backrest side beams (12) symmetrically arranged on the left side and the right side of the backrest framework (1), the base framework (4) comprises base side beams (40) symmetrically arranged on the left side and the right side of the base framework (4), and reinforcing cross beams are arranged between the bottoms of the two backrest side beams (12) and between the front ends of the two base side beams (40);

the backrest side beam (12) is provided with a main plate body (120) which is perpendicular to the width direction of the front row of seats, a reinforcing flange (123) which is formed at the edge part of the main plate body (120), and an arched reinforcing bracket (124) is arranged on the reinforcing flange (123) of the front side edge (121) of the main plate body (120).

2. The front seat frame according to claim 1, wherein:

the reinforcing beam is an integrally-stamped sheet metal part.

3. The front seat frame according to claim 1, wherein:

the reinforcing cross beam comprises a backrest reinforcing cross beam (2) arranged between the two backrest side beams (12);

the backrest reinforcing cross beam (2) comprises a first plate body (21) and a second plate body (22) which are bent, the end part of the first plate body (21) is lapped at the bottom of the rear side of the backrest side beam (12) on the corresponding side, and the end part of the second plate body (22) is lapped at the bottom end (126) of the backrest side beam (12) on the corresponding side.

4. A front seat frame as claimed in claim 3, wherein:

the width dimensions of the ends of the first plate body (21) and the second plate body (22) are gradually increased along the direction approaching the backrest boundary beam (12).

5. The front seat frame according to claim 4, wherein:

a first pit (210) recessed toward the front of the front seat is formed in the first plate body (21), and a reinforcing protrusion (211) is formed at the bottom of the first pit (210);

and/or a second pit (220) which is concave towards the upper part of the front row seat is formed on the second plate body (22).

6. The front seat frame according to claim 1, wherein:

the front side edge (121) and the rear side edge (122) of the main board body (120) are arc-shaped and arched towards the front of the front row of seats, and the width of the main board body (120) is gradually increased from top to bottom;

and/or, the main board body (120) is formed with a reinforcing groove (125), and at least part of the edge of the reinforcing groove (125) is in a roundabout bending shape.

7. The front seat frame according to any one of claims 1 to 6, characterized in that:

the reinforcing beam comprises a base reinforcing beam (41) arranged between the two base side beams (40);

the base reinforcing beam (41) comprises a base plate (410) and flanges (411) formed at the front side edge (4101) and the end edge (4103) of the base plate (410), two ends of the base plate (410) are respectively lapped on the base side beam (40) at the corresponding side, and an upward-protruding or downward-recessed reinforcing structure is formed on the base plate (410).

8. The front seat frame according to claim 7, wherein:

the base plate (410) comprises a bearing part (410 a) positioned between the two base side beams (40), and overlapping parts (410 b) respectively arranged at two ends of the bearing part (410 a); the lap joint part (410 b) is connected with the base side beam (40) at the corresponding side, and the bearing part (410 a) is arranged in a concave manner relative to the lap joint part (410 b);

the reinforcing structure comprises a first protrusion (4121) arranged along the front side edge part (4101), a second protrusion (4122) and a third protrusion (4123) which are arranged on the bearing part (410 a) at intervals, and a first groove (4133) formed on the lap part (410 b).

9. A vehicle, characterized in that:

a front seat of a vehicle employing the front seat frame according to any one of claims 1 to 8.