CN215921960U - Local bearing structure of car seat of back linkage - Google Patents
Local bearing structure of car seat of back linkage Download PDFInfo
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- CN215921960U CN215921960U CN202122256966.XU CN202122256966U CN215921960U CN 215921960 U CN215921960 U CN 215921960U CN 202122256966 U CN202122256966 U CN 202122256966U CN 215921960 U CN215921960 U CN 215921960U
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- backrest
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- car seat
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Abstract
The utility model discloses a backrest-linked local support structure of an automobile seat, which comprises: a backrest; a back support mounted inside the backrest for supporting a user's back; a support member provided at a lower end of the backrest, the support member being capable of correspondingly supporting a region between a waist and a hip of an occupant; a link assembly installed between the support member and the backrest for restricting the support member from moving up and down in a thickness direction of the backrest; the driving mechanism is used for driving the connecting rod assembly to perform actions; the supporting part is connected with the back supporting body, and under the action of the driving mechanism, the supporting part can move up and down along the thickness direction of the backrest and pull the back supporting body to be linked. The utility model has the beneficial effects that: can support the area between the waist and the hip according to the needs of the user, and is helpful to relieve the feeling of fatigue caused by long-time sitting.
Description
Technical Field
The utility model belongs to the technical field of automobile seats, and particularly relates to a backrest-linked local supporting structure 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.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a backrest-linked local support structure of a car seat, which can support the area between the waist and the hip of a user according to the needs of the user, and is helpful to relieve fatigue of long-time sitting.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a local bearing structure of car seat of back linkage, its key lies in, includes:
a backrest;
a back support mounted inside the backrest for supporting a user's back;
a support member provided at a lower end of the backrest, the support member being capable of correspondingly supporting a region between a waist and a hip of an occupant;
a link assembly installed between the support member and the backrest for restricting the support member from moving up and down in a thickness direction of the backrest;
the driving mechanism is used for driving the connecting rod assembly to perform actions;
the supporting part is connected with the back supporting body, and under the action of the driving mechanism, the supporting part can move up and down along the thickness direction of the backrest and pull the back supporting body to be linked.
By adopting the structure, after the driving mechanism is started, the supporting part can be driven to move forwards under the action of the connecting rod assembly, so that the supporting part is supported in the area between the waist and the hip of a user, and the comfort of the seat is improved. Meanwhile, the supporting part and the back supporting body are connected together, so that when the supporting part moves forwards, the lower part of the back supporting body moves forwards along with the supporting part, a smooth transition between the supporting part and the back supporting body can be ensured, and the discomfort caused by obvious protrusion is avoided.
Preferably, the method comprises the following steps: the upper end of the supporting part is provided with a hinged seat, the back supporting body comprises a transverse steel wire and a longitudinal steel wire which are arranged in a criss-cross mode, the two ends of the transverse steel wire are connected to the backrest, and the lower end of the longitudinal steel wire is rotatably connected to the hinged seat. By adopting the structure, after the supporting part moves forwards, the lower part of the front side of the backrest has smooth transition, so that the supporting part is prevented from forming obvious protrusion, and the comfort is further ensured.
Preferably, the method comprises the following steps: the backrest is provided with a support plate corresponding to the rear side of the support component, the connecting rod assembly comprises a first moving block, a first connecting piece, a second connecting piece, a third connecting piece, a fixing block, a fourth connecting piece, a fifth connecting piece, a sixth connecting piece and a second moving block which are hinged in sequence, the second connecting piece and the fifth connecting piece are installed on the rear side of the support component in a sliding mode, the fixing block is fixedly installed in the middle of the support plate, and the first moving block and the second moving block can slide in opposite directions at two ends of the support plate. By adopting the structure, the first motion block and the second motion block slide towards opposite directions to drive the supporting component to do lifting motion.
Preferably, the method comprises the following steps: the support component all is equipped with the push pedal corresponding to the position of second connection piece and fifth connection piece, is equipped with the bar hole in the push pedal, all through rivet hinge between second connection piece and first connection piece and the third connection piece to and between fifth connection piece and fourth connection piece and the sixth connection piece, each the middle part sliding support of rivet is downthehole at the bar that corresponds the push pedal. By adopting the structure, when the connecting rod assembly works, the second connecting piece and the fifth connecting piece can be ensured to slide relative to the supporting component, and the running reliability of the mechanism is ensured.
Preferably, the method comprises the following steps: the front side of the supporting component is provided with a supporting surface with an arc surface structure, and the positions of the supporting surface corresponding to the two ends of the backrest are both bent forwards. By adopting the structure, the comfort of the support is improved.
Preferably, the method comprises the following steps: the rear side of the supporting part is provided with a positioning lug, the positioning lug is provided with a connecting groove, and the end part of the push plate is provided with an inserting sheet matched with the connecting groove. Adopt above-mentioned structure to the rapid Assembly support component is convenient for.
Preferably, the method comprises the following steps: two groups of connecting rod assemblies are symmetrically arranged on the rear side of the supporting component and distributed along the height direction of the backrest. By adopting the structure, the stress distribution can be ensured to be uniform, and the supporting reliability is improved.
Preferably, the method comprises the following steps: the driving mechanism comprises a motor, a gear box and a screw rod which are sequentially connected in a power mode, wherein the screw rod is arranged along the width direction of the backrest, a first thread section and a second thread section are arranged at two ends of the screw rod respectively, the thread turning directions of the first thread section and the second thread section are opposite, and the first motion block and the second motion block are connected to the first thread section and the second thread section respectively in a threaded sleeve connection mode. By adopting the structure, the motor drives the screw rod to rotate, and the screw rod rotates to enable the first motion block and the second motion block to move towards opposite directions on the screw rod, so that the support component is driven to do lifting motion.
Preferably, the method comprises the following steps: the support plate is characterized in that one end of the support plate is provided with a flange extending towards the direction of the support component, the other end of the support plate is provided with a support platform extending towards the direction of the side part of the backrest, the flange is provided with a bearing hole, the gear box is fixedly arranged on the support platform, one end of the screw rod is connected in the gear box, and the other end of the screw rod is rotatably arranged in the bearing hole. Adopt above-mentioned structure to the installation screw rod is rotated in the convenience.
Compared with the prior art, the utility model has the beneficial effects that:
1. the motor drives the support member to move forward at the lower end of the backrest so that the support member can be supported in the region between the waist and the buttocks of the user, which contributes to improving the comfort of the seat and is particularly suitable for automobile seats of medium and high end automobile types.
2. When the supporting component moves forwards relative to the backrest, the lower part of the back supporting body can be drawn to incline forwards, so that a smooth transition is formed at the junction of the supporting component and the back supporting body, the front side of the backrest is still a complete supporting plane or cambered surface, and the discomfort caused by local protrusion is avoided.
3. The structure sets up rationally, and each mechanism operation is reliable, on the basis that does not change current seat skeleton, can realize the modularization assembly, has technical advantage such as cost controllable, market perspective is wide.
4. The connecting rod assembly symmetrically supports the supporting component in the width direction and the height direction of the backrest, the stress distribution uniformity is good, and the supporting component has better supporting comfort for users.
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 partial schematic view showing the assembled connection of the support member, linkage assembly and drive mechanism to the lower end of the backrest;
FIG. 4 is an exploded view of the support member, linkage assembly and drive mechanism assembly;
FIG. 5 is a schematic structural view of the support member;
FIG. 6 is a schematic structural view of a push plate;
fig. 7 is a schematic structural view of the bracket 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 5, a backrest 1 is installed at the rear end of the seat frame 5, a support member 3 is arranged at the lower end of the backrest 1, the support member 3 is of an arc-shaped plate-shaped structure, the support member 3 extends along the width direction of the backrest 1, a support plate 11 is fixedly installed at the position, corresponding to the rear side of the support member 3, of the backrest 1, a connecting rod assembly 2 is installed between the support member 3 and the support plate 11, the connecting rod assembly 2 is used for restraining the support member 3 to move up and down along the thickness direction of the backrest 1, a driving mechanism 4 is further installed in the backrest 1, and after the driving mechanism 4 is started, the connecting rod assembly 2 performs action, so that the support member 3 is driven to move forward relative to the backrest 1, and the support member 3 is supported in the area between the waist and the hip of a user.
As shown in fig. 1, a back support 6 for supporting the back of the user is installed inside the backrest 1, and in this embodiment, the back support 6 is a wire mesh set composed of transverse wires 61 and longitudinal wires 62 arranged in a criss-cross manner.
As further shown in fig. 1 and 5, in order to prevent the support member 3 from being significantly protruded to cause a sense of discomfort when the support member 3 is supported at the region between the user's waist and buttocks, the above-mentioned technical problem can be solved by connecting the upper portion of the support member 3 to the lower end of the back support 6. The specific installation structure is as follows: the upper end of support component 3 is equipped with articulated seat 3b, the both ends of the horizontal steel wire 61 of wire netting group are connected on back 1, the lower extreme of vertical steel wire 62 is rotated and is connected on articulated seat 3b of support component 3, when support component 3 goes forward lifting movement, the lower part that can pull the wire netting group moves forward, make to have a smooth transition between support component 3 and the wire netting group, still be a complete supporting plane or cambered surface in order to ensure the front side of back 1, avoid the uncomfortable sense that local protrusion brought.
As shown in fig. 4, in the present embodiment, the link assembly 2 includes a first moving block 21, a first connecting plate 22, a second connecting plate 23, a third connecting plate 24, a fixing block 25, a fourth connecting plate 26, a fifth connecting plate 27, a sixth connecting plate 28 and a second moving block 29, which are hinged in sequence, wherein the second connecting plate 23 and the fifth connecting plate 27 are located on the same straight line, and both are slidably mounted on the rear side of the support member 3, the first moving block 21, the fixing block 25 and the second moving block 29 are also located on the same straight line, the fixing block 25 is fixedly mounted in the middle of the bracket plate 11, the first moving block 21 and the second moving block 29 are located at both ends of the bracket plate 11, and the first moving block 21 and the second moving block 29 can slide in opposite directions at both ends of the bracket plate 11, based on the structural layout of the link assembly 2, when the first moving block 21 and the second moving block 29 slide in a direction close to the fixing block 25, the connecting rod assembly 2 will drive the supporting component 3 to move forward relative to the backrest 1, so as to support the area between the waist and the hip of the user, and when the first moving block 21 and the second moving block 29 slide in the direction away from the fixed block 25, the connecting rod assembly 2 will drive the supporting component 3 to move back, so as to complete the mechanism folding.
In order to simultaneously drive the first motion block 21 and the second motion block 29 to slide in opposite directions, in the present embodiment, the driving mechanism 4 includes a motor 41, a flexible shaft 44, a gear box 42, and a screw 43, which are sequentially and dynamically connected, wherein the screw 43 is disposed along the width direction of the backrest 1, both ends of the screw 43 respectively have a first thread section 431 and a second thread section 432, the first motion block 21 and the second motion block 29 are respectively connected to the first thread section 431 and the second thread section 432 in a threaded sleeve manner, the thread directions of the first thread section 431 and the second thread section 432 are opposite, the motor 41 drives the screw 43 to rotate, and the rotation of the screw 43 can drive the first motion block 21 and the second motion block 29 to move in opposite directions on the screw 43.
Further, as shown in fig. 4 and 7, in order to facilitate assembling of the components of the driving mechanism 4, one end of the supporting plate 11 is provided with a flange 111 extending toward the supporting component 3, the other end of the supporting plate is provided with a supporting platform 112 extending toward the side of the backrest 1, the flange 111 is provided with a supporting hole 113, the motor 41 is fixed on the side of the backrest 1, the gear box 42 is fixedly arranged on the supporting platform 112, one end of the screw 43 is connected in the gear box 42, and the other end of the screw 43 is rotatably installed in the supporting hole 113. The power transmission relationship of the driving mechanism 4 is as follows: motor 41 → flexible shaft 44 → gear box 42 → screw 43.
As shown in fig. 5 and 6, in order to realize the sliding connection between the second connecting piece 23 and the fifth connecting piece 27 and the supporting member 3, the supporting member 3 is provided with a push plate 31 at a position corresponding to the second connecting piece 23 and the fifth connecting piece 27, the push plate 31 is provided with a strip-shaped hole 32, the position between the second connecting piece 23 and the first connecting piece 22, the position between the second connecting piece 23 and the third connecting piece 24, the position between the fifth connecting piece 27 and the fourth connecting piece 26, and the position between the fifth connecting piece 27 and the sixth connecting piece 28 are all hinged through rivets 20, the middle part of each rivet 20 is slidably supported in the strip-shaped hole 32 of the corresponding push plate 31, and when the connecting rod assembly 2 performs an action, the rivet 20 slides along the strip-shaped hole 32, that is, the second connecting piece 23 and the fifth connecting piece 27 slide along the corresponding strip-shaped hole 32, so that the supporting member 3 can smoothly complete the lifting movement.
Further, in order to facilitate the assembly between the supporting member 3 and the pushing plate 31, a positioning protrusion 33 is disposed at the rear side of the supporting member 3, a connecting groove 34 is disposed on the positioning protrusion 33, and an inserting piece 35 corresponding to the connecting groove 34 is disposed at the end of the pushing plate 31.
In this embodiment, the quantity of link assembly 2 is two sets of, and two sets of link assembly 2 are along the direction of height symmetric distribution of back 1 in the rear side of support component 3, and so design can guarantee that the atress distributes evenly, promotes the reliability of supporting.
The first connecting piece 22, the third connecting piece 24, the fourth connecting piece 26 and the sixth connecting piece 28 of the two groups of connecting rod assemblies 2 share one set of the first moving block 21, the fixed block 25 and the second moving block 29, and the first connecting piece 22, the third connecting piece 24, the fourth connecting piece 26 and the sixth connecting piece 28 of the two groups of connecting rod assemblies 2 are symmetrically connected to two sides of the corresponding first moving block 21, the fixed block 25 and the second moving block 29, so that the layout can also improve the moving stability of the first moving block 21 and the second moving block 29 along the screw 43.
Besides the embodiment provided by the embodiment, the connecting rod assembly 2 can also directly adopt a fork type lifting mechanism.
As shown in fig. 1, in order to improve the supporting comfort, a supporting surface 3a with a cambered surface structure is arranged on the front side of the supporting component 3, and the positions of the supporting surface 3a corresponding to the two ends of the backrest 1 are both bent forwards.
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 (10)
1. A backrest-linked local support structure of a car seat, comprising:
a backrest (1);
a back support (6) mounted inside the backrest (1) for supporting the back of a user;
a support member (3) provided at a lower end of the backrest (1), the support member (3) being capable of correspondingly supporting a region between a waist and a hip of an occupant;
the connecting rod assembly (2) is arranged between the support component (3) and the backrest (1) and is used for restraining the support component (3) from lifting and falling along the thickness direction of the backrest (1);
a driving mechanism (4) for driving the connecting rod assembly (2) to perform an action;
the supporting part (3) is connected with the back supporting body (6), and under the action of the driving mechanism (4), the supporting part (3) can move up and down along the thickness direction of the backrest (1) and pull the back supporting body (6) to be linked.
2. The backrest-linked partial support structure for a car seat according to claim 1, wherein: the upper end of support component (3) is equipped with articulated seat (3b), back supporter (6) are including horizontal steel wire (61) and vertical steel wire (62) that vertically and horizontally staggered set up, wherein, the both ends of horizontal steel wire (61) are connected on back (1), and the lower extreme of vertical steel wire (62) is rotated and is connected articulated seat (3b) are gone up.
3. The backrest-linked partial support structure for a car seat according to claim 1, wherein: the utility model discloses a chair backrest, including back (1) and connecting rod assembly (2), back (1) is equipped with mounting panel (11) corresponding the position of support component (3) rear side, connecting rod assembly (2) is including articulated first motion piece (21), first connection piece (22), second connection piece (23), third connection piece (24), fixed block (25), fourth connection piece (26), fifth connection piece (27), sixth connection piece (28) and second motion piece (29) in proper order, wherein, equal slidable mounting in support component (3) rear side of second connection piece (23) and fifth connection piece (27), fixed block (25) fixed mounting is in the middle part of mounting panel (11), and first motion piece (21) and second motion piece (29) can slide towards opposite direction at the both ends of mounting panel (11).
4. The backrest-linked partial support structure for a car seat according to claim 3, wherein: the position that supporting component (3) corresponds second connection piece (23) and fifth connection piece (27) all is equipped with push pedal (31), is equipped with bar hole (32) on push pedal (31), between second connection piece (23) and first connection piece (22) and third connection piece (24) to and all articulated through rivet (20) between fifth connection piece (27) and fourth connection piece (26) and sixth connection piece (28), each the middle part sliding support of rivet (20) is in bar hole (32) that correspond push pedal (31).
5. The backrest-linked partial support structure for a car seat according to claim 4, wherein: the front side of the supporting component (3) is provided with a supporting surface (3a) with an arc surface structure, and the positions of the supporting surface (3a) corresponding to the two ends of the backrest (1) are both bent forwards.
6. The backrest-linked partial support structure for a car seat according to claim 4, wherein: the rear side of the supporting part (3) is provided with a positioning convex block (33), the positioning convex block (33) is provided with a connecting groove (34), and the end part of the push plate (31) is provided with an inserting sheet (35) matched with the connecting groove (34).
7. The backrest-linked partial support structure for a car seat according to claim 3, wherein: the rear side of the supporting component (3) is symmetrically provided with two groups of connecting rod assemblies (2), and the two groups of connecting rod assemblies (2) are distributed along the height direction of the backrest (1).
8. The backrest-linked partial support structure for a car seat according to claim 3, wherein: the driving mechanism (4) comprises a motor (41), a gear box (42) and a screw rod (43) which are sequentially connected in a power mode, wherein the screw rod (43) is arranged in the width direction of the backrest (1), a first thread section (431) and a second thread section (432) are respectively arranged at two ends of the screw rod (43), the thread turning directions of the first thread section (431) and the second thread section (432) are opposite, and the first movement block (21) and the second movement block (29) are respectively connected to the first thread section (431) and the second thread section (432) in a thread sleeving mode.
9. The backrest-linked partial support structure for a car seat according to claim 8, wherein: one end of the support plate (11) is provided with a flanging (111) extending towards the direction of the support component (3), the other end of the support plate is provided with a support platform (112) extending towards the direction of the side part of the backrest (1), the flanging (111) is provided with a bearing hole (113), the gear box (42) is fixedly arranged on the support platform (112), one end of the screw rod (43) is connected into the gear box (42), and the other end of the screw rod is rotatably arranged in the bearing hole (113).
10. The backrest-linked partial support structure for a car seat according to claim 1, wherein: the connecting rod assembly (2) is a fork type lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256966.XU CN215921960U (en) | 2021-09-16 | 2021-09-16 | Local bearing structure of car seat of back linkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256966.XU CN215921960U (en) | 2021-09-16 | 2021-09-16 | Local bearing structure of car seat of back linkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215921960U true CN215921960U (en) | 2022-03-01 |
Family
ID=80417239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122256966.XU Active CN215921960U (en) | 2021-09-16 | 2021-09-16 | Local bearing structure of car seat of back linkage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215921960U (en) |
-
2021
- 2021-09-16 CN CN202122256966.XU patent/CN215921960U/en active Active
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Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |