CN216401238U

CN216401238U - Rear side supporting structure for hip of automobile seat

Info

Publication number: CN216401238U
Application number: CN202122255918.9U
Authority: CN
Inventors: 辛艺; 李伟; 唐杰; 贾伟
Original assignee: Chongqing Adient Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-29
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a support structure on the rear side of the hip of an automobile seat, which comprises a backrest, wherein a support assembly is rotatably arranged at the lower end of the backrest, an operating component is arranged on the backrest, a transmission assembly is connected between the operating component and the support assembly, and under the transmission action of the transmission assembly, the operating component can control at least part of the support assembly to move forwards relative to the backrest. The utility model has the beneficial effects that: after a user sits on the seat, the control component is manually operated, then the supporting component is driven to move under the transmission action of the transmission component, the upper end of the supporting component moves forwards to support the rear side of the hip of the user, and therefore the comfort experience of the seat is improved.

Description

Rear side supporting structure for hip of automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a rear side supporting structure for the hip of an automobile seat.

Background

The comfort of the seat plays a significant role in the riding experience of the user. Nowadays, both automobile manufacturers and consumer terminals place more stringent requirements on the comfort of automobile seats.

In terms of comfortable structural design of the seat, currently, the mainstream technical routes include seat massage, back massage, flexible support, waist support and the like, and the technical means improve the driving experience of the seat to a certain extent and relieve muscle fatigue of the hip, waist, shoulder and back and other areas of a user.

However, after a user sits on the seat, the region between the waist and the hip (hip joint and coccyx) is still generally in an unsupported state, and comfort needs to be optimized and upgraded. In existing seat structure designs, the search for support structures in this area is almost blank.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a rear hip supporting structure of a car seat, which is used for supporting the rear hip of a user and improving the comfort of the seat.

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

the utility model provides a car seat buttock rear side bearing structure, includes the back, its key lies in: the lower extreme of back rotates installs the supporting component, installs the control part on the back, be connected with the transmission subassembly between control part and the supporting component, under the transmission of transmission subassembly, the control part can control at least part of supporting component is for the back forward motion.

Adopt above-mentioned structure, the user sits back on the seat, manual operation the control part, then drive the supporting component motion under drive assembly's drive effect, the upper end of supporting component moves forward and can support user's buttock rear side, promptly: the waist and the buttocks, thereby improving the comfort experience of the seat.

Preferably, the method comprises the following steps: the lower part of back has set firmly the bracket component, and it includes first component, second component and the third component that sets gradually along back width direction, the supporting component includes support panel and sets firmly the pivot in support panel rear end lower part, and the both ends of pivot are rotated and are supported on first component and second component. By adopting the structure, the rotary installation of the supporting component is realized.

Preferably, the method comprises the following steps: the second component has the collateral branch fagging, drive assembly is including installing gear drive and the belt drive mechanism in collateral branch fagging both sides respectively, and gear drive includes intermeshing's gear and fan-shaped pinion rack, belt drive's first belt pulley with the control part is coaxial fixed, the second belt pulley with the gear is coaxial fixed, the fixed suit in centre of a circle position of fan-shaped pinion rack is in the pivot. By adopting the structure, the structural layout of the control component, the transmission component and the second member is reasonable, and the support component can be driven to rotate forwards at the lower end of the backrest by manually controlling the rotation of the control component.

Preferably, the method comprises the following steps: the belt transmission mechanism is located between the second component and the third component, one side, far away from the second component, of the third component is provided with an installation support, the installation support is fixedly connected to the side portion of the backrest, the control component comprises a hand wheel located outside the backrest, one side of the hand wheel is provided with a connecting shaft, the connecting shaft is rotatably supported on the second component and the third component, and the first belt wheel is fixedly sleeved on the connecting shaft. By adopting the structure, the parts and the assembly relation thereof are reasonable in design, and the modular installation is directly facilitated on the basis of the existing platform framework, so that the existing framework structure is prevented from being changed, and the purposes of saving development and manufacturing cost are achieved.

Preferably, the method comprises the following steps: the front side of the supporting panel is of a cambered surface structure, the two ends of the rear side are respectively and fixedly provided with a first supporting arm and a second supporting arm, a retaining shaft is fixedly arranged between the upper ends of the first supporting arm and the second supporting arm, and the two ends of the rotating shaft are respectively fixed at the lower ends of the first supporting arm and the second supporting arm. By adopting the structure, the supporting panel with the cambered surface structure is beneficial to ensuring the comfort of the support. The holding shaft and the rotating shaft are arranged at the rear side of the supporting panel at the same time, so that the stability of the supporting assembly structure is improved. The pivot is located the lower extreme of first support arm and second support arm, can guarantee support panel's rotation center line and set up on the lower side, and when the drive pivot rotated, support panel's upper end will move forward to the realization carries out the travelling comfort to user's buttock rear side and supports.

Preferably, the method comprises the following steps: the position that supporting panel corresponds first support arm and second support arm all is equipped with the connecting block, and the tip suit of connecting block is epaxial at the holding, and the middle part of connecting block is equipped with the constant head tank, the tip of first support arm and second support arm all is equipped with the locating piece that suits with the constant head tank, and the locating piece can be along in the axial embedding constant head tank of holding the axle. By adopting the structure, the assembly is convenient, and the structural stability of the supporting component can be ensured.

Preferably, the method comprises the following steps: the second supporting arm is provided with a joining part protruding towards the direction of the fan-shaped toothed plate, the joining part is welded to the side face of the fan-shaped toothed plate, and the end part of the retaining shaft sequentially penetrates through the connecting block, the joining part and the fan-shaped toothed plate. By adopting the structure, the structural stability of the supporting component can be kept.

Preferably, the method comprises the following steps: the lower extreme of back has the rotation axis that sets up along its width direction, and this rotation axis is located support panel's rear side, all be equipped with the breach of dodging that suits with the rotation axis on first support arm, second support arm and the fan-shaped pinion rack. The structure is adopted, so that the assembly is convenient, and the interference of the rotating shaft can be avoided.

Preferably, the method comprises the following steps: the lower extreme of collateral branch fagging is equipped with the horizontal support portion that extends to one side, and the upper end of horizontal support portion is formed with the mounting groove, the centre of a circle end of fan-shaped pinion rack is located this mounting groove, the both sides lateral wall of fan-shaped pinion rack and mounting groove is passed to the tip of pivot. The structure is adopted, so that the assembly is convenient.

Compared with the prior art, the utility model has the beneficial effects that:

1. the upper end of the supporting panel can move forwards by manually controlling the operating component, so that the rear side of the buttocks of the user can be supported, namely: the area between the waist and the hips helps to improve the comfort of the seat.

2. The components and the assembly relation thereof are reasonable in design, the installation of the structures such as the supporting component, the transmission component and the control component can be realized on the basis of not changing the existing framework structure, and the technical advantages of low cost and good market application prospect are achieved.

Drawings

FIG. 1 is a schematic view of a vehicle seat;

FIG. 2 is a cross-sectional view of a vehicle seat;

FIG. 3 is a schematic structural diagram showing an assembly layout relationship of the manipulating member, the transmission assembly, the bracket assembly and the support assembly;

FIG. 4 is an exploded view of the components of FIG. 3;

FIG. 5 is a schematic structural view of a second member;

fig. 6 is a structural schematic diagram of the second support arm.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 3, the back rest 1 of the vehicle seat is pivotally mounted to the rear end of the seat frame 7 with a rotary shaft 11 as a pivot point. The lower end of the backrest 1 is provided with a bracket assembly 5 at a position corresponding to the rotation axis 11, and the bracket assembly 5 is composed of a first member 51, a second member 52 and a third member 53, wherein the first member 51 is fixed on the left side frame of the backrest 1, and the second member 52 and the third member 53 are fixed on the right side frame of the backrest 1.

As shown in fig. 3 and 4, the support assembly 3 is rotatably mounted on the support assembly 5, the support assembly 3 is composed of a support panel 31, a rotating shaft 32, a first support arm 33, a second support arm 34 and a holding shaft 35, wherein the front side of the support panel 31 is of a cambered surface structure, which has better comfort when supporting the body of the user, the rotating shaft 32, the first support arm 33, the second support arm 34 and the retaining shaft 35 are all installed at the rear side of the support panel 31, in order to ensure the stability of the support panel 31, the rotating shaft 32, the first support arm 33, the second support arm 34 and the holding shaft 35 form a rectangular frame structure, the first support arm 33 and the second support arm 34 are located at the left end and the right end of the rear side of the support panel 31, the holding shaft 35 and the rotating shaft 32 are located at the upper end and the lower end of the rear side of the support panel 31, and the ends of the holding shaft 35 and the rotating shaft 32 are fixedly connected with the corresponding first support arm 33 and the corresponding second support arm 34.

The lateral part of back 1 installs manipulation component 2, manipulation component 2 is including being located the outside hand wheel 2a of back 1, the inboard of hand wheel 2a is equipped with the connecting axle 2b that stretches into back 1 inside, be provided with drive assembly 4 between connecting axle 2b and the pivot 32, drive assembly 4 comprises first belt pulley 43, belt 45, second belt pulley 44, gear 41 and fan-shaped pinion rack 42 that power links up in proper order, the fixed suit in circle center position of fan-shaped pinion rack 42 is on pivot 32, first belt pulley 43 overlaps on connecting axle 2b admittedly, connecting axle 2b rotates and installs on second component 52 and third component 53, the pivot 32 both ends of supporting component 3 rotate and support on first component 51 and second component 52.

As shown in fig. 2 and 4, therefore, the hand wheel 2a is manually controlled to rotate outside the backrest 1, which can sequentially drive the connecting shaft 2b, the first belt pulley 43, the belt 45, the second belt pulley 44, the gear 41, and the toothed sector plate 42 to rotate, so that the support assembly 3 is driven to rotate by taking the rotating shaft 32 as a rotation center, and because the center line of the rotating shaft 32 is arranged downward relative to the support panel 31, the rotating shaft 32 rotates to drive the upper end of the support panel 31 to move forward, so that the foam 6 at the lower end of the backrest 1 protrudes forward, and the comfortable support of the rear hip of the user is realized.

As shown in fig. 4, for the convenience of assembly, the second member 52 has a side support plate 521, an assembly space is formed between the side support plate 521 and the third member 53, the belt transmission mechanism is installed in the assembly space, the gear transmission mechanism formed by the gear 41 and the toothed sector plate 42 engaged with each other is installed on the left side of the side support plate 521, a mounting support 531 is provided on a side of the third member 53 away from the side support plate 521, and the mounting support 531 is directly and fixedly connected to the side of the backrest 1.

Further, as shown in fig. 5, the lower extreme of collateral branch backup pad 521 is equipped with the horizontal support portion 522 that extends to the left side, and the upper end of horizontal support portion 522 is formed with mounting groove d, and the centre of a circle end of sector toothed plate 42 is located mounting groove d, and the right-hand member of pivot 32 passes mounting groove d left side lateral wall, sector toothed plate 42 and mounting groove d right side lateral wall in proper order, and all the butt has the retaining sleeve e between the both sides of sector toothed plate 42 and the both sides lateral wall of mounting groove d, and the retaining sleeve e suit is on pivot 32.

As shown in fig. 4 and 6, for the convenience of assembly, the supporting panel 31 is provided with connecting blocks 311 at positions corresponding to the first supporting arm 33 and the second supporting arm 34, end portions of the connecting blocks 311 are sleeved on the holding shaft 35, a positioning groove b is provided at a middle portion of the connecting blocks 311, end portions of the first supporting arm 33 and the second supporting arm 34 are provided with positioning blocks a corresponding to the positioning groove b, during assembly, the connecting block 311 of the supporting panel 31 is firstly sleeved on the retaining shaft 35, then the first supporting arm 33 and the second supporting arm 34 are installed from the end of the retaining shaft 35, the positioning blocks a on the first supporting arm 33 and the second supporting arm 34 are embedded into the positioning grooves b along the axial direction of the retaining shaft 35, a fixed connection between the support panel 31, the retaining shaft 35 and the corresponding first and

second support arms

33, 34 is achieved to limit the rotation of the support panel 31 back and forth relative to the retaining shaft 35. In order to ensure the structural stability of the support assembly 3, the second support arm 34 is provided with a joint portion 341 protruding towards the direction of the sector toothed plate 42, the joint portion 341 is welded to the side surface of the sector toothed plate 42, the end portion of the retaining shaft 35 sequentially penetrates through the connecting block 311, the joint portion 341 and the sector toothed plate 42, after the product assembly is completed, the support panel 31, the first support arm 33, the second support arm 34, the retaining shaft 35 and the sector toothed plate 42 are fastened together, so that the stability of meshing between the gear 41 and the sector toothed plate 42 can be ensured, and the smoothness of transmission is improved.

As shown in fig. 2, 4, 5 and 6, the rotating shaft 11 is located at the rear side of the supporting panel 31, and in order to avoid the rotating shaft 11 during the adjustment of the mechanism, an avoiding notch c with an arc structure is provided at the middle portions of the first supporting arm 33, the second supporting arm 34 and the toothed segment plate 42.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a car seat buttock rear side bearing structure, includes back (1), its characterized in that: the lower extreme of back (1) is rotated and is installed supporting component (3), installs on back (1) and controls part (2), be connected with between control part (2) and supporting component (3) transmission assembly (4), under the transmission of transmission assembly (4), control part (2) can control the upper end of supporting component (3) is for back (1) forward motion.

2. The vehicle seat buttocks rear side support structure according to claim 1, wherein: the lower part of back (1) sets firmly bracket component (5), and it includes first component (51), second component (52) and third component (53) that set gradually along back (1) width direction, supporting component (3) including support panel (31) with set firmly pivot (32) in support panel (31) rear end lower part, the both ends of pivot (32) are rotated and are supported on first component (51) and second component (52).

3. The vehicle seat buttocks rear side support structure according to claim 2, wherein: the second component (52) is provided with a side supporting plate (521), the transmission assembly (4) comprises a gear transmission mechanism and a belt transmission mechanism which are respectively installed on two sides of the side supporting plate (521), the gear transmission mechanism comprises a gear (41) and a fan-shaped toothed plate (42) which are meshed with each other, a first belt pulley (43) of the belt transmission mechanism is coaxially fixed with the operating part (2), a second belt pulley (44) is coaxially fixed with the gear (41), and the circle center position of the fan-shaped toothed plate (42) is fixedly sleeved on the rotating shaft (32).

4. The vehicle seat buttocks rear side support structure according to claim 3, wherein: the belt transmission mechanism is located between the second component (52) and the third component (53), one side of the third component (53) far away from the second component (52) is provided with an installation support (531), the installation support (531) is fixedly connected to the side of the backrest (1), the control part (2) comprises a hand wheel (2 a) located outside the backrest (1), one side of the hand wheel (2 a) is provided with a connecting shaft (2 b), the connecting shaft (2 b) is rotatably supported on the second component (52) and the third component (53), and the first belt pulley (43) is fixedly sleeved on the connecting shaft (2 b).

5. The vehicle seat buttocks rear side support structure according to claim 3, wherein: the front side of supporting panel (31) is the cambered surface structure, and the both ends of rear side fixed mounting respectively have first support arm (33) and second support arm (34), have set firmly between the upper end of first support arm (33) and second support arm (34) and keep axle (35), the lower extreme at first support arm (33) and second support arm (34) is fixed respectively at pivot (32) both ends.

6. The vehicle seat buttocks rear side support structure according to claim 5, wherein: the position that supporting panel (31) corresponds first support arm (33) and second support arm (34) all is equipped with connecting block (311), and the tip suit of connecting block (311) is on keeping axle (35), and the middle part of connecting block (311) is equipped with constant head tank (b), the tip of first support arm (33) and second support arm (34) all is equipped with locating piece (a) that suit with constant head tank (b), and locating piece (a) can be along keeping in axle (35) axial embedding constant head tank (b).

7. The vehicle seat buttocks rear side support structure according to claim 6, wherein: the second supporting arm (34) is provided with a joining part (341) protruding towards the direction of the fan-shaped toothed plate (42), the joining part (341) is welded to the side face of the fan-shaped toothed plate (42), and the end part of the retaining shaft (35) sequentially penetrates through the connecting block (311), the joining part (341) and the fan-shaped toothed plate (42).

8. The vehicle seat buttocks rear side support structure according to claim 6, wherein: the lower extreme of back (1) has rotation axis (11) that sets up along its width direction, and this rotation axis (11) are located the rear side of support panel (31), all be equipped with on first support arm (33), second support arm (34) and fan-shaped pinion rack (42) and dodge breach (c) that suit with rotation axis (11).

9. The vehicle seat buttocks rear side support structure according to claim 3, wherein: the lower extreme of collateral branch backup pad (521) is equipped with horizontal support portion (522) that extend to one side, and the upper end of horizontal support portion (522) is formed with mounting groove (d), the centre of a circle end of fan-shaped pinion rack (42) is located this mounting groove (d), the both sides lateral wall of fan-shaped pinion rack (42) and mounting groove (d) is passed to the tip of pivot (32).

10. The vehicle seat buttocks rear side support structure according to claim 9, wherein: and a retaining sleeve (e) is arranged between the fan-shaped toothed plate (42) and the side wall of the two sides of the mounting groove (d), and the retaining sleeve (e) is mounted on the rotating shaft (32).