阅读说明：本技术 手动调节的车用座椅臀部后侧支撑结构 (Manually-adjusted vehicle seat hip rear-side supporting structure ) 是由 贾伟 辛艺 谭木星 唐杰 李伟 于 2021-09-16 设计创作，主要内容包括：本发明公开了一种手动调节的车用座椅臀部后侧支撑结构,靠背内部安装有用于支撑用户背部的背部支撑体,靠背的下端转动安装有尾椎支撑组件,所述尾椎支撑组件能够对应支撑用户腰部和臀部之间的区域,所述靠背的下部设有操纵部件,该操纵部件与所述尾椎支撑组件之间连接有传动组件；所述尾椎支撑组件的上部与背部支撑体连接,手动操控所述操纵部件,能够使尾椎支撑组件的上部相对于靠背向前运动,并牵引所述背部支撑体的下部朝前运动。本发明的有益效果是：手动控制靠背侧部的操纵部件转动,能够使支撑板的上端相对于靠背向前凸出,从而支撑住用户腰部和臀部之间的区域,有助于提升座椅的舒适性。(The invention discloses a manually adjusted vehicle seat hip rear side supporting structure.A back supporting body for supporting the back of a user is arranged in a backrest, a caudal vertebra supporting component is rotatably arranged at the lower end of the backrest and can correspondingly support the area between the waist and the hip of the user, an operating component is arranged at the lower part of the backrest, and a transmission component is connected between the operating component and the caudal vertebra supporting component; the upper part of the caudal vertebra supporting component is connected with the back supporting body, and the upper part of the caudal vertebra supporting component can move forwards relative to the backrest by manually operating the operating component and pull the lower part of the back supporting body to move forwards. The invention has the beneficial effects that: the manual control of the rotation of the operating part at the side part of the backrest can enable the upper end of the supporting plate to protrude forwards relative to the backrest, thereby supporting the area between the waist and the hip of a user and helping to improve the comfort of the seat.)

1. The utility model provides a manually adjusted automobile-used seat buttock rear side bearing structure, includes back (1), back (1) internally mounted has back supporter (2) that are used for supporting user's back, its characterized in that: a caudal vertebra supporting component (3) is rotatably arranged at the lower end of the backrest (1), the caudal vertebra supporting component (3) can correspondingly support the area between the waist and the hip of a user, an operating component (5) is arranged at the lower part of the backrest (1), and a transmission component (4) is connected between the operating component (5) and the caudal vertebra supporting component (3);

the upper part of the caudal vertebra supporting component (3) is connected with the back supporting body (2), the upper part of the caudal vertebra supporting component (3) can move forwards relative to the backrest (1) by manually operating the operating part (5), and the lower part of the back supporting body (2) is pulled to move forwards.

2. The manual-adjustment rear hip support structure of a vehicle seat according to claim 1, wherein: back supporter (2) are the wire net group, caudal vertebra supporting component (3) include backup pad (31) and pivot (35) for backup pad (31) set up partially down, the lower extreme of wire net group rotates with the upper end of backup pad (31) to be connected, pivot (35) rotate with back (1) to be connected.

3. The manual-adjustment rear hip support structure of a vehicle seat according to claim 2, wherein: backrest (1) width direction's both ends are equipped with first support (12) and second support (13) respectively, the both ends of pivot (35) are rotated and are installed on first support (12) and second support (13), second support (13) have collateral branch supporting part (131) that upwards extend, drive assembly (4) are including installing gear drive and belt drive respectively in collateral branch supporting part (131) both sides, and gear drive includes intermeshing's gear (42) and fan-shaped pinion rack (43), belt drive's first belt pulley (44) with control part (5) coaxial fixed, second belt pulley (45) with gear (42) coaxial fixed, the fixed suit of centre of a circle position of fan-shaped pinion rack (43) is in on pivot (35).

4. The manual-adjustment rear hip support structure of a vehicle seat according to claim 3, wherein: the operating component (5) comprises a hand wheel (5a) located on the side of the backrest (1), a connecting shaft (5b) extending towards the inside of the backrest (1) is arranged on one side of the hand wheel (5a), and the first belt pulley (43) is fixedly connected with the connecting shaft (5 b).

5. The manual-adjustment rear hip support structure of a vehicle seat according to claim 2, wherein: backup pad (31) are the arc structure, and its upper end is equipped with articulated seat (311), the wire netting group is including vertically and horizontally staggered's horizontal steel wire (21) and vertical steel wire (22), the both ends of horizontal steel wire (21) are connected on back (1), and the lower extreme of vertical steel wire (22) is rotated and is connected articulated on seat (311).

6. The manual-adjustment rear hip support structure of a vehicle seat according to claim 3, wherein: caudal vertebra supporting component (3) still include first support arm (32) and second support arm (33) of fixed mounting at backup pad (31) rear side both ends, and the upper end of first support arm (32) and second support arm (33) is connected with keeps axle (34), pivot (35) fixed connection is at the lower extreme of first support arm (32) and second support arm (33).

7. The manually adjusted rear hip support structure of a vehicle seat according to claim 6, wherein: the position that backup pad (31) corresponds first support arm (32) and second support arm (33) all is equipped with connecting block (312) that extend backward, and the rear end suit of connecting block (312) is on keeping axle (34), and the middle part of connecting block (312) is equipped with constant head tank (b), the tip of first support arm (32) and second support arm (33) is equipped with locating piece (a) that suits with constant head tank (b).

8. The manual-adjustment rear hip support structure of a vehicle seat according to claim 7, wherein: the connecting block (312) is integrally formed at one end of the hinge seat (311).

9. The manually adjusted rear hip support structure of a vehicle seat according to claim 6, wherein: the sector toothed plate (43) is located on the outer side of the second supporting arm (33), a rolling part (331) welded and fixed with the sector toothed plate (43) is arranged on the second supporting arm (33), and one end of the retaining shaft (34) penetrates through the rolling part (331) and the sector toothed plate (43) in sequence.

10. The manual-adjustment rear hip support structure of a vehicle seat according to claim 3, wherein: the side part of the backrest (1) is provided with a positioning plate (14), an assembly space (c) is formed between the positioning plate (14) and the side supporting part (131), and the belt transmission mechanism is installed in the assembly space (c).

Technical Field

The invention relates to the technical field of automobile seats, in particular to a manually adjusted 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 order to improve the comfort of the automobile seat, the technical means which are mature at present comprise seat massage, back massage, flexible support, waist support and the like, although the technical means improve the driving experience of the seat to a certain extent and relieve the muscle fatigue of the buttocks, the waist, the shoulders, the back and other areas of the passenger. However, after a user sits on the seat, the region between the waist and the hip (hip joint and coccyx) is still in an unsupported state, and if the region is in a suspended posture for a long time, the user feels tired after sitting for a long time, and the comfort needs to be improved urgently.

Disclosure of Invention

In view of the above, the present invention provides a manually adjustable rear hip support structure of a vehicle seat for supporting an area between a user's waist and hips.

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

the utility model provides a manually adjusted automobile-used seat buttock rear side bearing structure, includes the back, back internally mounted has the back supporter that is used for supporting user's back, and its key lies in: the lower end of the backrest is rotatably provided with a caudal vertebra supporting component which can correspondingly support the area between the waist and the hip of a user, the lower part of the backrest is provided with an operating component, and a transmission component is connected between the operating component and the caudal vertebra supporting component;

the upper part of the caudal vertebra supporting component is connected with the back supporting body, and the upper part of the caudal vertebra supporting component can move forwards relative to the backrest by manually operating the operating component and pull the lower part of the back supporting body to move forwards.

By adopting the structure, after a user sits on the seat, the control component is manually operated, then the caudal vertebra supporting component is driven to rotate under the transmission action of the transmission component, and the upper end of the caudal vertebra supporting component rotates forwards to support the area between the waist and the hip of the user, so that the comfortable experience of the seat is improved. Meanwhile, the caudal vertebra supporting component and the back supporting body are connected together, so that when the upper part of the caudal vertebra supporting component moves forwards, the lower part of the back supporting body can also move forwards along with the caudal vertebra supporting component, a smooth transition between the part protruding forwards of the caudal vertebra supporting component and the upper part of the backrest can be ensured, and the discomfort caused by obvious protrusion is avoided.

Preferably, the method comprises the following steps: the back supporter is the steel wire net group, the caudal vertebra supporting component includes backup pad and the pivot that sets up for the backup pad is inclined to the lower, the lower extreme of steel wire net group rotates with the upper end of backup pad to be connected, the pivot rotates with the back to be connected. By adopting the structure, when the supporting plate is driven to rotate, the upper part of the supporting plate can be ensured to move forwards by the downward arrangement of the rotating shaft. The lower extreme of wire net group is rotated with the upper end of backup pad and is connected, can guarantee that the caudal vertebra supporting component when protruding forward, the smooth-going transition of front side lower part of back avoids caudal vertebra supporting component to form obvious protrusion to further guarantee the travelling comfort.

Preferably, the method comprises the following steps: the utility model discloses a fan-shaped tooth bar, including back width direction's both ends, the both ends of back width direction are equipped with first support and second support respectively, the both ends of pivot are rotated and are installed on first support and second support, the second support has the collateral branch supporting part that upwards extends, drive assembly is including installing gear drive and the belt drive mechanism in collateral branch supporting part 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 centre of a circle position fixed suit of fan-shaped pinion rack is in the pivot. By adopting the structure, the structural layout of the control component and the transmission component is reasonable, and the support plate 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 control component comprises a hand wheel located on the side portion of the backrest, a connecting shaft extending towards the interior of the backrest is arranged on one side of the hand wheel, and the first belt pulley is fixedly connected with the connecting shaft. The structure is adopted, so that the assembly is convenient.

Preferably, the method comprises the following steps: the backup pad is the arc structure, and its upper end is equipped with articulated seat, the wire netting group is including vertically and horizontally staggered's horizontal steel wire and vertical steel wire, the both ends of horizontal steel wire are connected on the back, and the lower extreme of vertical steel wire is rotated and is connected articulated on the seat.

Preferably, the method comprises the following steps: the caudal vertebra supporting component further comprises a first supporting arm and a second supporting arm which are fixedly installed at two ends of the rear side of the supporting plate, a retaining shaft is connected to the upper ends of the first supporting arm and the second supporting arm, and the rotating shaft is fixedly connected to the lower ends of the first supporting arm and the second supporting arm. By adopting the structure, the first support arm, the second support arm, the retaining shaft and the rotating shaft form a quadrilateral support structure at the rear side of the support plate, the structural strength of the caudal vertebra support component can be ensured, and the support reliability is improved.

Preferably, the method comprises the following steps: the position that the backup pad corresponds first support arm and second support arm all is equipped with the connecting block that extends backward, and the rear end suit of connecting block is on keeping epaxially, and the middle part of connecting block is equipped with the constant head tank, the tip of first support arm and second support arm is equipped with the locating piece that suits with the constant head tank. Adopt above-mentioned structure to assemble the backup pad at the front end of first support arm and second support arm, and guarantee the structural stability of caudal vertebra supporting component.

Preferably, the method comprises the following steps: the fan-shaped toothed plate is located the outside of second support arm, is equipped with the portion of curling with fan-shaped toothed plate welded fastening on the second support arm, the one end that keeps the axle runs through in proper order portion of curling and fan-shaped toothed plate. Adopt above-mentioned structure, can connect into a whole with fan-shaped pinion rack and caudal vertebra supporting component rigidly, have better rotational stability when the whole caudal vertebra supporting component of gear drive rotates to be favorable to the regulation control.

Preferably, the method comprises the following steps: the lateral part of the backrest is provided with a positioning plate, an assembly space is formed between the positioning plate and the lateral supporting part, and the belt transmission mechanism is arranged in the assembly space. By adopting the structure, the assembly is convenient.

Compared with the prior art, the invention has the beneficial effects that:

1. the manual control of the rotation of the operating part at the side part of the backrest can enable the upper end of the supporting plate to protrude forwards relative to the backrest, thereby supporting the area between the waist and the hip of a user and helping to improve the comfort of the seat.

2. When the upper end of the caudal vertebra supporting component protrudes forwards, the lower part of the back supporting body can be pulled to incline forwards, so that the protruding position has a smooth transition, the front side of the backrest is still a complete supporting plane or a cambered surface, and the discomfort caused by local protrusion is avoided.

3. The supporting structure is reasonable in design, modular assembly can be achieved on the basis that the existing seat framework is not changed, and the supporting structure has the technical advantages of controllable cost, wide market application prospect and the like.

4. The transmission assembly is reasonable in structural design and easy to assemble.

Drawings

FIG. 1 is a schematic view of a backrest;

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

FIG. 3 is a schematic view showing the assembled and coupled relationship of the manipulating member, the transmission assembly and the caudal vertebra supporting assembly;

FIG. 4 is a schematic structural view of a second support;

FIG. 5 is a schematic structural view of a second support arm;

fig. 6 is a schematic structural view of the support plate.

Detailed Description

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

As shown in fig. 1, 2 and 3, an automobile seat comprises a seat frame 7, a backrest 1 is installed behind the seat frame 7, a back support body 2 is installed inside the backrest 1, in this embodiment, the back support body 2 is a steel wire mesh group for supporting the back of a user, the steel wire mesh group is composed of transverse steel wires 21 and longitudinal steel wires 22 which are criss-cross, a caudal vertebra support component 3 is installed at the lower end of the backrest 1, the caudal vertebra support component 3 comprises a support plate 31 at the front end and a rotating shaft 35 at the rear end, the rotating shaft 35 is rotatably connected with the backrest 1, an operating component 5 is installed at the side part of the backrest 1, the operating component 5 comprises a hand wheel 5a outside the backrest 1, a connecting shaft 5b extending into the backrest 1 is arranged at the inner side of the hand wheel 5a, a transmission component 4 is arranged between the connecting shaft 5b and the rotating shaft 35, and the transmission component 4 is composed of a first belt pulley 44 which is sequentially and is in power connection with each other, The belt 41, the second belt pulley 45, the gear 42 and the sector toothed plate 43 are assembled, the circle center end of the sector toothed plate 43 is fixedly sleeved on the rotating shaft 35, the first belt pulley 44 is fixedly sleeved on the connecting shaft 5b, and the connecting shaft 5b is in running fit with the side portion of the backrest 1.

In this embodiment, the rotating shaft 35 is disposed downward relative to the supporting plate 31, the hand wheel 5a is manually controlled to rotate outside the backrest 1, and the connecting shaft 5b, the first belt pulley 44, the belt 41, the second belt pulley 45, the gear 42 and the toothed sector plate 43 can be sequentially driven to move, so as to drive the caudal vertebra supporting component 3 to rotate around the rotating shaft 35 as a rotation center, because the central line of the rotating shaft 35 is disposed downward relative to the supporting plate 31, when the rotating shaft 35 rotates, the upper end of the supporting plate 31 can rotate forward along the thickness direction of the backrest, and the forward movement displacement of the upper end of the supporting plate 31 can push the foam 5 to protrude forward, so as to support the area between the waist and the hip of the passenger.

As further shown in fig. 1 and 3, in order to avoid discomfort due to a significant protrusion when the caudal vertebra support assembly 3 is supported in the area between the lumbar region and the hip region, the technical problem can be solved by connecting the upper portion of the caudal vertebra support assembly 3 to the lower end of the back support 2. The specific installation structure is as follows: the supporting plate 31 is of an arc-shaped structure, the upper end of the supporting plate is provided with a hinged seat 311, two ends of the transverse steel wire 21 of the steel wire mesh group are connected to the backrest 1, the lower end of the longitudinal steel wire 22 is rotatably connected to the hinged seat 311 of the supporting plate 31, when the upper end of the supporting plate 31 protrudes forwards, the lower part of the steel wire mesh group can be pulled to move forwards, so that a smooth transition is formed between the protruding position of the supporting plate 31 and the steel wire mesh group, the front side of the backrest is ensured to be still a complete supporting plane or arc surface, and discomfort caused by local protrusion is avoided.

As shown in fig. 3, in order to enhance the structural strength of the caudal vertebra supporting assembly 3, the caudal vertebra supporting assembly 3 further comprises a first supporting arm 32, a second supporting arm 33 and a retaining shaft 34, the retaining shaft 34 is fixed at the upper ends of the first supporting arm 32 and the second supporting arm 33, a rotating shaft 35 is fixedly connected to the lower ends of the first supporting arm 32 and the second supporting arm 33, the first supporting arm 32, the second supporting arm 33, the retaining shaft 34 and the rotating shaft 35 are all installed at the rear side of the supporting plate 31, and the first supporting arm 32, the second supporting arm 33, the retaining shaft 34 and the rotating shaft 35 form a quadrilateral supporting structure at the rear side of the supporting plate 31, so that the supporting reliability of the supporting plate 31 can be enhanced.

As shown in fig. 5 and 6, the support plate 31 is provided with a connection block 312 extending backwards at a position corresponding to the first support arm 32 and the second support arm 33, the rear end of the connection block 312 is sleeved on the retaining shaft 34, the middle part of the connection block 312 is provided with a positioning groove b, the end parts of the first support arm 32 and the second support arm 33 are provided with positioning blocks a corresponding to the positioning groove b, when assembling, the connection block 312 of the support plate 31 is firstly sleeved on the retaining shaft 34, and then the end parts of the retaining shaft 34 are installed into the first support arm 32 and the second support arm 33, and the positioning blocks a on the first support arm 32 and the second support arm 33 are embedded into the positioning grooves b along the axial direction of the retaining shaft 34, so as to realize the fixed connection between the support plate 31, the retaining shaft 34 and the corresponding first support arm 32 and second support arm 33. To facilitate the formation of the components, the connecting block 312 is integrally formed at a position outside the rear end of the hinge base 311.

As shown in fig. 3 and 4, the first support 12 and the second support 13 are respectively disposed at two ends of the lower portion of the backrest 1 in the width direction, two ends of the rotating shaft 35 are rotatably mounted on the first support 12 and the second support 13, wherein the second support 13 has a side support 131 extending upward at an outer end thereof, the backrest 1 is further provided at a side portion thereof with a positioning plate 14, an assembly space c is formed between the positioning plate 14 and the side support 131, a belt transmission mechanism composed of a first belt pulley 44, a belt 41 and a second belt pulley 45 is mounted in the assembly space c, a gear transmission mechanism composed of a gear 42 and a sector 43 is mounted at a side of the side support 131 far from the assembly space c, the gear 42 and the second belt pulley 45 are synchronously connected by a coupling shaft d, and the coupling shaft 5b of the operating member 5 is rotatably supported at upper ends of the positioning plate 14 and the side support 131. Based on the above transmission layout, the manual control of the hand wheel 5a can drive the caudal vertebra supporting component 3 to rotate by taking the rotating shaft 35 as a rotating center.

As shown in fig. 3 and 5, the toothed sector plate 43 is located outside the second support arm 33, the second support arm 33 is provided with a rolling portion 331 welded and fixed to the toothed sector plate 43, and the right end of the retaining shaft 34 sequentially penetrates through the connecting block 312, the rolling portion 331 and the toothed sector plate 43, so that the toothed sector plate 43 and the caudal vertebra support component 3 can be rigidly connected into a whole in the assembling process, and the gear 42 can be used for ensuring better transmission smoothness when driving the whole caudal vertebra support component 3 to rotate.

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.