CN211567749U - Anti-bending structure of side plate of automobile seat cushion and buffer part thereof - Google Patents

Abstract

The utility model discloses a car seat cushion curb plate prevent structure of bending and bolster thereof, including cushion curb plate, back connecting rod support and bolster, be provided with a plurality of round holes along the bolster interval, a plurality of round hole intercommunications constitute a rectangular hole, and the width of junction is less than the diameter of round hole between the two adjacent round holes, and back connecting rod support is equipped with the circle axle with the round hole adaptation, and bolster one end articulates in the cushion curb plate, and the other end is fixed in back connecting rod support through the nested arbitrary round hole of circle axle. This scheme simple structure, when the car bumps especially when knocking into the back the collision, through taking place tensile and compressive deformation absorption transmission to the impact energy of seat cushion curb plate, prevent that too big perk from bending the deformation in the seat cushion curb plate appearance, the buffering passenger alleviates the impact force of passenger to seat cushion, alleviates the impact damage of passenger under the different collision speed of emergence, effectively improves car seat's security. In addition, the scheme has the advantages of easy-to-realize manufacturability and assembly, low cost and strong practicability.

Description

Anti-bending structure of side plate of automobile seat cushion and buffer part thereof

Technical Field

The utility model belongs to car seat's equipment accessory field, concretely relates to car seat cushion curb plate prevent structure of bending and bolster thereof.

Background

With the development of the automobile industry, the passive safety performance of automobiles is continuously improved, and as one of key parts of automobiles, automobile seats are required to be reasonably arranged and to ensure riding comfort, and also need to be mainly ensured and improved in safety performance. For example, many industry specifications in the automotive industry strictly dictate the performance requirements that a seat needs to meet in a dynamic impact, particularly a rear impact.

The common seat cushion side plate with the height-adjusting function of the front seat is connected with a seat backrest through a connecting plate on one hand, and is connected with a seat slide rail assembly through a connecting rod mechanism and a connecting rod support on the other hand.

As the main form in the road traffic accident, when a rear-end collision occurs (as shown in fig. 1), the passenger can not only impact the seat back backwards, but also impact the seat cushion framework downwards, and the great impact force received by the back can be transmitted to the cushion side plate through the bolt of the angle adjuster connecting plate, so that the cushion side plate has the movement tendency of sinking and impacting backwards. However, since the height adjuster is installed on the seat side plate on only one side of the common front seat with the height adjusting function, the overall rigidity strength of the seat side plate on that side is superior to that of the seat side plate without the height adjuster on the other side, under the action of such a great impact force in rear-end collision, both ends of the seat side plate on that side without the height adjuster sink more seriously, and the impact force transmitted to the rear end of the seat side plate is larger than that of the front end, which easily causes the large bending deformation phenomenon that the seat side plate seriously tilts inwards or outwards in the area near the rear link bracket, not only may the seat side plate on that side tear, but also affects the height adjustment of the seat cushion, increases the risk of injury faced by the passenger, and has adverse effect on the safety that is valued daily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the disadvantages of the prior art, an object of the present invention is to provide a buffer member used as a connecting member of a seat slide rail, which can absorb impact energy.

The utility model discloses a second purpose provides a structure of preventing bending of car seat cushion curb plate, including the cushion curb plate, the installation is fixed in the back connecting rod support of cushion curb plate lower extreme and is used for connecting the bolster of back connecting rod support and cushion curb plate, and the bolster is provided with a plurality of round holes along the bolster interval, and a plurality of round hole intercommunications constitute a rectangular hole, and the width of junction is less than the diameter of round hole between the two adjacent round holes, and back connecting rod support is equipped with the circle axle with the round hole adaptation, and bolster one end articulates in the cushion curb plate, and the other end is fixed in back connecting rod support through the nested arbitrary. This scheme simple structure, under the prerequisite that does not influence seat altitude mixture control function, when the car bumps especially when knocking into the back the collision, absorb the impact energy who transmits to the seat cushion curb plate through taking place tensile and compressive deformation, prevent that too big perk from bending deformation to appear in the seat cushion curb plate, buffering passenger is to the impact force of seat cushion, alleviate the impact damage of passenger under taking place different collision speed, prevent simultaneously to a certain extent that the cushion skeleton suddenly sinks fast in knocking into the back the collision, effectively improve car seat's security. In addition, this structure of preventing bending of car seat cushion curb plate has manufacturability and the assembly nature that easily realizes, and is with low costs, and the practicality is strong.

The purpose of the utility model is realized by adopting the following technical scheme:

the bolster, the bolster is equipped with the link, the bolster interval is provided with a plurality of round holes, and is a plurality of the round hole intercommunication constitutes a rectangular hole, adjacent two the width of junction is less than between the round hole the diameter of round hole.

Furthermore, two sides of the connecting end are inwards sunken to form a contraction opening.

Furthermore, through grooves for providing elastic deformation spaces are further formed in the two sides of the connecting part between the two adjacent round holes corresponding to the buffering parts.

Further, two adjacent round holes are communicated through arcs and are in smooth transition, and the through groove is an arc groove for fitting the arcs.

Anti-bending structure of car seat cushion curb plate, be fixed in including cushion curb plate, installation back connecting rod support and as above of cushion curb plate lower extreme the bolster, back connecting rod support be equipped with the circle axle of round hole adaptation, the link of bolster articulate in the cushion curb plate, the other end passes through the circle axle is nested arbitrary the circle downthehole be fixed in back connecting rod support.

Further, the buffer member is arranged on the outer side of the cushion side plate.

Further, the two ends of the buffer piece are fixedly connected to the cushion side plate and the rear connecting rod bracket through bolts.

Furthermore, the rear connecting rod support is a triangular connecting piece, the circular shaft is arranged on one corner of the triangular connecting piece, and one side opposite to the circular shaft is fixed on the lower sliding rail of the automobile.

Furthermore, the other side of the rear connecting rod bracket, which is connected with the buffer piece, is provided with a through hole for connecting with a connecting rod mechanism.

Further, the circular hub is provided with a plastic sleeve for reducing moving noise.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a structure of preventing bending of car seat cushion curb plate and bolster thereof, including the cushion curb plate, the installation is fixed in the back connecting rod support of cushion curb plate lower extreme and is used for connecting the bolster of back connecting rod support and cushion curb plate, and the bolster is provided with a plurality of round holes along the bolster interval, and a plurality of round hole intercommunication constitute a rectangular hole, and the width of junction is less than the diameter of round hole between the two adjacent round holes, and back connecting rod support is equipped with the round axle with the round hole adaptation, and bolster one end articulates in the cushion curb plate, and the other end is fixed in back connecting rod support through the nested arbitrary round hole of. This scheme simple structure, under the prerequisite that does not influence seat altitude mixture control function, when the car bumps especially when knocking into the back the collision, absorb the impact energy who transmits to the seat cushion curb plate through taking place tensile and compressive deformation, prevent that too big perk from bending deformation to appear in the seat cushion curb plate, buffering passenger is to the impact force of seat cushion, alleviate the impact damage of passenger under taking place different collision speed, prevent simultaneously to a certain extent that the cushion skeleton suddenly sinks fast in knocking into the back the collision, effectively improve car seat's security. In addition, this structure of preventing bending of car seat cushion curb plate has manufacturability and the assembly nature that easily realizes, and is with low costs, and the practicality is strong.

Drawings

FIG. 1 is a force analysis diagram of a conventional automobile seat in the event of a rear-end collision;

FIG. 2 is a schematic structural view of a preferred embodiment of an anti-buckling structure of a side plate of a seat cushion of an automobile according to the present invention;

FIG. 3 is a left side view of a preferred embodiment of an anti-buckling structure for a side panel of a seat cushion of an automobile according to the present invention;

FIG. 4 is a right side view of a preferred embodiment of an anti-buckling structure for a side panel of a seat cushion of an automobile of the present invention;

FIG. 5 is a schematic structural view of a preferred embodiment of the rear link bracket of the present invention;

fig. 6 is a schematic structural view of a preferred embodiment of the rear cushion of the present invention.

In the figure: 1. the anti-bending structure of the side plate of the seat cushion of the automobile seat; 2. a cushion side plate; 3. a rear link bracket; 31. A circular shaft; 32. a through hole; 4. a buffer member; 41. a strip hole; 42. the mouth is contracted; 43. a through groove; 5. and (4) bolts.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model discloses car seat cushion curb plate prevent bending structure 1 as shown in fig. 2-5, including cushion curb plate 2, the installation is fixed in back connecting rod support 3 of 2 lower extremes of cushion curb plate and is used for connecting back connecting rod support 3 and cushion curb plate 2's bolster 4, bolster 4 is provided with a plurality of round holes along bolster 4 intervals, a plurality of round hole intercommunications constitute a rectangular hole 41, the width of junction is less than the diameter of round hole between the two adjacent round holes, back connecting rod support 3 is equipped with the circle axle 31 with the round hole adaptation, bolster 4 one end articulates in cushion curb plate 2, the other end is fixed in back connecting rod support 3 through 31 nested arbitrary round holes of circle axle. This scheme simple structure, under the prerequisite that does not influence seat altitude mixture control function, when the car bumps especially when knocking into the back the collision, absorb the impact energy who transmits to seat cushion curb plate 2 through taking place tensile and compressive deformation, prevent that too big perk from bending deformation to appear in seat cushion curb plate 2, buffering passenger is to the impact force of seat cushion, alleviate the impact damage of passenger under the speed of taking place different collisions, prevent simultaneously to a certain extent that the cushion skeleton suddenly sinks fast in knocking into the back the collision, effectively improve car seat's security. In addition, this car seat cushion 2 structure of preventing bending has manufacturability and the assembly nature that easily realizes, and is with low costs, and the practicality is strong. In order to avoid interference between the cushion 4 and other components (such as a seat belt buckle), the position of the cushion 4 needs to be reasonably arranged, and the cushion 4 is arranged on the outer side of the seat cushion side plate 2 in the embodiment.

The buffer member 4 in this embodiment is as shown in fig. 6, a plurality of round holes are arranged along the buffer member 4 at intervals, the round holes are uniform in size, the distance between the centers of the round holes between two adjacent round holes is greater than the diameter of the round hole, the round holes are communicated to form a strip hole 41, the joint between the adjacent round holes is a small arc bent inwards (the small arc can be a straight line or a small arc bent outwards, and only the width between the two sides needs to be smaller than the diameter of the round hole), the distance between the arc-shaped sides at the two sides is smaller than the diameter of the round hole, so that the round shaft 31 can be clamped at the joint in any round hole when the round shaft 31 is nested, and the round shaft 31 cannot easily slide into other round holes.

When the automobile has rear-end collision, under the action of great impact force, the cushion side plate 2 without the side of the height adjuster is relatively low in rigidity strength, two ends of the cushion side plate sink more seriously, and the oblique downward impact force transmitted to the rear end of the cushion side plate 2 is larger than that transmitted to the front end of the cushion side plate, so that the cushion side plate 2 is easily bent and deformed in a large way by being seriously tilted inwards or outwards in an area near the rear connecting rod support 3, but no matter the cushion side plate 2 is seriously plastically deformed outwards or inwards, the common cushion side plate 2 has the bending trend and the deformation phenomenon of being tilted upwards, namely, the distance between the upward bending area of the cushion side plate 2 and the circular shaft 31 of the rear connecting rod support 3 is continuously increased. In this embodiment, two ends of the buffer member 4 are fixedly connected to the cushion side plate 2 and the rear link bracket 3 by bolts 5, so that the circular shaft 31 can be prevented from laterally separating from the circular hole. At this moment, under the impact at the moment of rear-end collision, the round shaft 31 of the rear connecting rod bracket 3 makes downward impact motion relative to the long hole 41 of the buffer plate, so that the round shaft 31 rapidly presses the arc-shaped sides at the two sides of the long hole 41 below the round shaft, the round shaft 31 slides to the next round hole, the arc-shaped sides are elastically deformed to clamp and buffer the round shaft in the sliding process, and the impact force transmitted to the side cushion side plate 2 in the rear-end collision is effectively reduced. The small arc and the round hole are in smooth transition, so that the round shaft 31 can smoothly slide to the next round hole, and the impact force cannot be slowed down due to too large resistance and too small elastic deformation of the arc-shaped side edge.

Preferably, through grooves 43 for providing elastic deformation spaces are further formed on two sides of the small arc of the buffer 4 corresponding to the joint between two adjacent round holes. The through groove 43 in this embodiment is an arc groove fitted with a small arc, and when receiving an impact force, the circular shaft 31 moves downward along the strip hole 41, and when punching two arc-shaped sides, the two arc-shaped sides are stressed to elastically deform and extrude the arc groove, so that the impact force of the circular shaft 31 is reduced.

The shape, size and arrangement of the long holes 41 not only need to ensure that partial energy can be absorbed through compression deformation at a small arc necking under the action of great impact force in rear-end collision, and the bending of the cushion side plate 2 is reduced, but also the height adjustment of the cushion framework is not affected. When the automobile seat is in a static state, the round shaft 31 of the rear connecting rod bracket 3 is positioned in one of the long holes 41 of the buffer member 4; when the height of the seat cushion of the automobile seat needs to be adjusted, the rear link bracket 3 and the slide rail mechanism fixed on the automobile body are kept stationary through a welding connection mode, the seat cushion side plate 2 generates height change along with the link mechanism under the action of the height adjuster, the round shaft 31 of the rear link bracket 3 moves relatively in the long hole 41 along with the height change of the seat cushion side plate 2, for example, if the seat cushion side plate 2 moves downwards through the height adjuster, the buffer member 4 also moves downwards, and the round shaft 31 of the rear link bracket 3 moves upwards along the long hole 41 relative to the buffer member 4. The length of the slot 41 is required to ensure that the seat cushion can be adjusted to the highest and lowest positions, depending on the change in the height adjustment stroke and trajectory of different seats. And the round shaft 31 of the rear connecting rod support 3 can make the small arc generate elastic deformation by compressing the arc-shaped groove at the inner side of the small arc, which is more beneficial to the smooth movement of the round shaft 31 of the rear connecting rod support 3 in the long hole 41.

Buffer 4 in this implementation with the one end both sides that cushion curb plate 2 is connected are inwards sunken to form constriction 42, because when the car takes place to collide with the back, under the effect of very big impact force, the interval between the regional and the back connecting rod support 3 of bending upwards of cushion curb plate 2 is constantly increasing, when cushion curb plate 2 atress is buckled, tensile buffer 4, it is less because the width is less than other sections to be close to the one on the constriction 42 of cushion curb plate 2 connection this moment, here takes place tensile plastic deformation at first and absorbs impact energy, slow down the impact force that car seat received. Through foretell two kinds of deformation mode effective absorption to this side cushion curb plate 2 impact energy who transmits in the collision of knocking into the back, prevent that the bending deformation of its perk is too big, still prevent to a certain extent that the cushion skeleton from sinking fast suddenly, improve car seat's security.

According to different seats, the cushion 4 in the scheme can be selected from materials with the elongation rate larger than 15 by combining the overall arrangement (such as height adjustment stroke and track) of the seat framework of the seat and the structural form (such as rigidity distribution) of the cushion side plate 2, and the optimal design of the thickness and the material of the cushion 4, the size and the shape of the contraction opening 42, the length and the arrangement of the strip hole 41, the number and the size of the inner circular holes of the strip hole 41, the size and the distance between two sides of the small circular arc in the strip hole 41 and the shape size and the arrangement of the through groove 43 is carried out through material test piece tensile test and finite element virtual simulation analysis. The realization chooses for use more suitable structure of preventing buckling to different seats.

The rear connecting rod support in this embodiment is a triangular connecting piece, the circular shaft 31 is arranged at one corner of the triangular connecting piece, and one side opposite to the circular shaft 31 is fixed on a lower sliding rail of an automobile. The other side of the rear connecting rod support, which is connected with the buffer part 4, is provided with a through hole 32 used for being connected with a connecting rod mechanism, and the connecting rod mechanism in the automobile seat framework is hinged to the through hole 32. Wherein the circle axle 31 cover is equipped with the plastics external member that is used for reducing the removal noise, and wherein the plastics external member can adopt other materials that can the noise reduction to make, can reduce the noise that the circular axle 31 atress extrudees the arc side and produce at the in-process that the round hole removed through this plastics external member.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. Bolster, its characterized in that: the bolster is equipped with the link, the bolster interval is provided with a plurality of round holes, and is a plurality of the round hole intercommunication constitutes a rectangular hole, adjacent two the width of junction is less than between the round hole the diameter of round hole.

2. The buffer of claim 1, wherein: and two sides of the connecting end are inwards sunken to form a contraction opening.

3. The buffer of claim 1, wherein: the two sides of the buffer piece corresponding to the joint between the two adjacent round holes are also provided with through grooves for providing elastic deformation spaces.

4. The buffer of claim 3, wherein: two adjacent through circular arc intercommunication and smooth transition between the round hole, it is the laminating to lead to the groove the circular arc groove of circular arc.

5. Anti-bending structure of car seat cushion curb plate, its characterized in that: the cushion comprises a cushion side plate, a rear connecting rod support and the buffer member, wherein the rear connecting rod support is fixedly installed at the lower end of the cushion side plate, the buffer member is as claimed in any one of claims 1 to 4, the rear connecting rod support is provided with a round shaft matched with the round hole, the connecting end of the buffer member is hinged to the cushion side plate, and the other end of the buffer member is embedded into any one of the round holes through the round shaft and is fixedly arranged in the rear connecting rod.

6. The bending prevention structure of the side panel of the seat cushion of the automobile as claimed in claim 5, wherein: the buffer piece is arranged on the outer side of the cushion side plate.

7. The bending prevention structure of the side panel of the seat cushion of the automobile as claimed in claim 5, wherein: the two ends of the buffer piece are fixedly connected with the cushion side plate and the rear connecting rod bracket through bolts.

8. The bending prevention structure of the side panel of the seat cushion of the automobile as claimed in claim 5, wherein: the rear connecting rod support is a triangular connecting piece, the circular shaft is arranged on one corner of the triangular connecting piece, and one side opposite to the circular shaft is fixed on the lower sliding rail of the automobile.

9. The bending prevention structure of the side panel of the seat cushion of the automobile as claimed in claim 5, wherein: and a through hole used for being connected with the connecting rod mechanism is formed in the other side, opposite to the side connected with the buffer piece, of the rear connecting rod bracket.

10. The bending prevention structure of the side panel of the seat cushion of the automobile as claimed in claim 5, wherein: the circular shaft sleeve is provided with a plastic sleeve for reducing movement noise.

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