CN110576776A - Four-way adjusting waist support and automobile seat - Google Patents
Four-way adjusting waist support and automobile seat Download PDFInfo
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- CN110576776A CN110576776A CN201910807149.3A CN201910807149A CN110576776A CN 110576776 A CN110576776 A CN 110576776A CN 201910807149 A CN201910807149 A CN 201910807149A CN 110576776 A CN110576776 A CN 110576776A
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- waist
- screw rod
- supporting plate
- support
- bolt hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/667—Lumbar supports having flexible support member bowed by applied forces
- B60N2/6673—Lumbar supports having flexible support member bowed by applied forces with motor driven adjustments
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
the invention discloses a four-way adjusting waist support and an automobile seat, wherein the four-way adjusting waist support adopts an adjusting mechanism consisting of a driving motor, a first screw rod, a clutch device, a second screw rod and a fixed support, a first bolt hole matched with the first screw rod and a second bolt hole matched with the second screw rod are arranged on the back surface of a waist support plate, the waist support plate can be driven to arch or flatten by using the adjusting mechanism, and the waist support plate is driven to translate forwards or backwards, so that the arching radian adjustment and the arching position adjustment of the waist support plate are realized; therefore, the invention can realize the four-way adjustment of the waist supporting plate by only using one driving motor, and has the advantages of low cost, compact structure and small occupied space. The automobile seat adopts a four-way adjustable waist support, and can provide waist supporting plates with different arching radians and arching positions according to the body shapes of drivers and passengers so as to effectively support the waist; in addition, the driving motor for adjusting the waist support in the four directions is not required to be arranged on a side plate of the seat back framework, so that the installation space of the seat back framework is saved.
Description
Technical Field
The invention relates to a waist support device of a seat, in particular to a four-way adjustable waist support and an automobile seat applying the four-way adjustable waist support.
Background
The waist support of the seat can relieve the riding fatigue of a driver and a passenger, and the principle is that the backrest of the seat is arched by a certain radian to cater to the curve of the waist of a human body and strengthen the waist support of the driver and the passenger.
At present, the common waist support on the market needs to realize the four-way adjusting function and needs at least two driving motors. One motor is responsible for tensioning the zipper, so that the waist supporting plate is deformed, and the radian is changed, thereby achieving the function of adjusting the arching height. The other motor adjusts the arching position of the waist support to enable the waist support plate to move up and down, thereby meeting the waist curves of different people.
the existing four-direction waist support adjusting mechanism has the following defects:
First, the cost is high.
Secondly, need two driving motor and zip fastener mechanism, the back inner space of seat is limited, and the waist holds in the palm the shared space great, is unfavorable for arranging other mechanisms.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a waist support and car seat are adjusted to quadriversal to solve current quadriversal and adjust waist and hold in the palm and adopt two driving motor and zip mechanism and have with high costs, the big problem of occupation space because of needing.
The technical scheme adopted by the invention is as follows:
A four-way adjustable waist support comprises a waist supporting plate and an adjusting mechanism;
The method is characterized in that:
The adjusting mechanism comprises a driving motor, a first screw rod, a clutch device, a second screw rod and a fixed bracket; the driving motor and the clutch device are fixed on the fixed support, the first screw rod and the second screw rod are coaxially arranged, the output end of the driving motor is fixedly connected with the power input end of the clutch device through the first screw rod, the power output end of the clutch device is fixedly connected with the first end of the second screw rod, and the second end of the second screw rod is rotatably connected with the fixed support;
The back of the waist supporting plate is provided with a first bolt hole and a second bolt hole; the first bolt hole is matched with the first screw rod, and the second bolt hole is matched with the second screw rod.
the four-way adjustable waist support has the following use mode and working principle:
Adjustment of arching radian
Referring to fig. 4, firstly, the power input end of the clutch device is controlled to be separated from the power output end, so that the first lead screw is disconnected from the second lead screw; then, controlling the driving motor to drive the first screw rod to rotate forwards (or reversely) so as to drive the first end part where the first bolt hole of the waist supporting plate is located to move forwards (or reversely) along the first screw rod through the first bolt hole, and fixing the second end part where the second bolt hole of the waist supporting plate is located, so that the waist supporting plate is arched (or flattened); therefore, the waist supporting plate can be driven to arch or flatten by the adjusting mechanism, and the arch radian of the waist supporting plate is adjusted.
Second, arch position adjustment
Referring to fig. 5, firstly, a power input end of the clutch device is controlled to be engaged with a power output end, so that the first lead screw and the second lead screw are linked through the clutch device; then, controlling the driving motor to drive the first screw rod and the second screw rod to rotate forwards (or reversely) together so as to drive the whole waist support plate to move forwards (or reversely) along the first screw rod and the second screw rod through the first bolt hole and the second bolt hole; therefore, the waist support plate can be driven by the adjusting mechanism to translate forwards or backwards, and the arching position adjustment of the four-way adjusting waist support is realized.
Therefore, the invention can realize the four-way adjustment of the waist supporting plate by only using one driving motor, and has the advantages of low cost, compact structure and small occupied space.
As a preferred embodiment of the present invention: the position of the first bolt hole on the waist supporting plate is called a first end part, and the position of the second bolt hole on the waist supporting plate is called a second end part; and guide mechanisms are respectively arranged between the first end part of the waist supporting plate and the fixed support and between the second end part of the waist supporting plate and the fixed support, and under the limitation of the guide mechanisms, the first end part and the second end part of the waist supporting plate can only slide relative to the fixed support along the extension direction of the first screw rod.
Therefore, the stability and the reliability of the four-way adjusting waist support during four-way adjustment are ensured.
Preferably: a first sliding block is arranged at the first end part of the back surface of the waist supporting plate, a second sliding block is arranged at the second end part of the back surface of the waist supporting plate, and a sliding rod is arranged on the fixed support; the sliding groove of the first sliding block is assembled with the sliding rod in a sliding mode to form a guide mechanism between the first end portion of the waist supporting plate and the fixed support; and the sliding groove of the second sliding block is assembled with the sliding rod in a sliding manner to form a guide mechanism between the second end part of the waist supporting plate and the fixed support.
preferably: the fixing support is provided with two parallel slide bars, the waist supporting plate is provided with one first slide block and one second slide block corresponding to each slide bar, the two first slide blocks are respectively positioned on two sides of the first bolt hole, and the two second slide blocks are respectively positioned on two sides of the second bolt hole.
Preferably: the fixed support is also provided with a first supporting plate, a second supporting plate and a third supporting plate, and the first supporting plate, the second supporting plate and the third supporting plate are respectively and fixedly connected between the first end parts, the middle parts and the second end parts of the two sliding rods; the body of the driving motor is fixed on the first supporting plate, the body of the clutch device is fixed on the second supporting plate, and the second end of the second lead screw is rotatably connected with a support arranged on the third supporting plate.
Preferably: a connecting section is arranged between the second end parts of the two slide bars, transition sections and welding sections sequentially extend from the first end parts of the two slide bars, the first supporting plate is fixedly connected between the two transition sections, and the two slide bars, the connecting section, the two transition sections and the two welding sections are formed by bending a steel wire; the connecting section and the two welding sections are used for welding the fixed support on a seat back framework of the automobile seat.
As a preferred embodiment of the present invention: the clutch device adopts an electromagnetic clutch mechanism consisting of a first iron core, a second iron core, a shaft sleeve and a conductive winding, the first iron core and the second iron core are both arranged in the shaft sleeve in a sliding mode, and the conductive winding is wound on the outer wall of the shaft sleeve; the first iron core is used as a power input end of the clutch device and fixedly connected with the first screw rod, and the second iron core is used as a power output end of the clutch device and fixedly connected with the second screw rod.
Therefore, the conductive winding is controlled to be electrified, the first iron core and the second iron core are magnetized and attracted with each other, and the power input end and the power output end of the clutch device can be controlled to be connected, so that the first screw rod and the second screw rod are linked through the clutch device; the first iron core and the second iron core are separated by controlling the power-off of the conductive winding, so that the separation of the power input end and the power output end of the clutch device can be controlled, and the first lead screw and the second lead screw are disconnected.
The utility model provides a car seat, includes backrest skeleton, its characterized in that: the automobile seat also comprises a four-way adjustable waist support; the fixed support of the four-way adjustable waist support is fixedly connected to the seat back framework.
As a preferred embodiment of the present invention: first lead screw and the second lead screw that the waist held in the palm is adjusted in the quadriversal are followed the axis of backrest skeleton is arranged, the waist that the waist held in the palm is adjusted in the quadriversal is in arrange placed in the middle in the left and right sides direction of backrest skeleton, just first bolt hole and second bolt hole are located respectively the back upper portion and the back lower part of waist layer board. So that the arching radian adjustment and the arching position adjustment of the waist supporting plate can be more fit with the back curve of a human body.
preferably: the driving motor, the first screw rod, the clutch device and the second screw rod are sequentially arranged from top to bottom.
Compared with the prior art, the invention has the following beneficial effects:
Firstly, the four-way adjusting waist support adopts an adjusting mechanism consisting of a driving motor, a first screw rod, a clutch device, a second screw rod and a fixed support, and a first bolt hole matched with the first screw rod and a second bolt hole matched with the second screw rod are arranged on the back surface of a waist support plate; therefore, the invention can realize the four-way adjustment of the waist supporting plate by only using one driving motor, and has the advantages of low cost, compact structure and small occupied space.
Secondly, the automobile seat adopts the four-way adjustable waist support, and can provide waist supporting plates with different arching radians and arching positions according to the body shapes of drivers and passengers so as to effectively support the waist; in addition, the driving motor for adjusting the waist support in the four directions is not required to be arranged on a side plate of the seat back framework, so that the installation space of the seat back framework is saved.
Drawings
The invention is described in further detail below with reference to the following figures and specific examples:
Fig. 1 is a schematic structural view of the four-way adjustable waist support of the present invention mounted on a seat back frame 7;
FIG. 2 is an exploded view of the four-way adjustable lumbar support of the present invention;
Fig. 3 is a schematic structural view of the waist support board 1 of the present invention;
Fig. 4 is a schematic view of the arching curvature adjustment of the four-way adjustable lumbar support of the present invention, in which A1 and A1a respectively represent the lumbar support plate 1 and the first bolt hole 1a before arching curvature adjustment, and A1 'and A1 a' respectively represent the lumbar support plate 1 and the first bolt hole 1a after arching curvature adjustment;
fig. 5 is a schematic diagram of the arching position adjustment of the four-way adjustable waist support of the present invention, wherein B1, B1a and B1B respectively represent the waist support plate 1, the first bolt hole 1a and the second bolt hole 1B before the arching position adjustment, and B1 ', B1a ' and B1B ' respectively represent the waist support plate 1, the first bolt hole 1a and the second bolt hole 1B after the arching position adjustment;
Fig. 6 is an exploded view of the clutch device 4 according to the present invention.
Detailed Description
the present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the inventive concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without inventive efforts by those skilled in the art will fall within the scope of the present invention without departing from the inventive concept of the present invention.
Example one
as shown in fig. 1 to 5, the invention discloses a four-way adjustable waist support, which comprises a waist supporting plate 1 and an adjusting mechanism;
the adjusting mechanism comprises a driving motor 2, a first screw rod 3, a clutch device 4, a second screw rod 5 and a fixed bracket 6; the driving motor 2 and the clutch device 4 are both fixed on the fixed support 6, the first screw rod 3 and the second screw rod 5 are coaxially arranged, the output end of the driving motor 2 is fixedly connected with the power input end of the clutch device 4 through the first screw rod 3, the power output end of the clutch device 4 is fixedly connected with the first end of the second screw rod 5, and the second end of the second screw rod 5 is rotatably connected with the fixed support 6; the drive motor 2 is preferably provided with a reduction mechanism.
the back of the waist supporting plate 1 is provided with a first bolt hole 1a and a second bolt hole 1 b; the first bolt hole 1a is matched with the first screw rod 3, and the second bolt hole 1b is matched with the second screw rod 5.
The four-way adjustable waist support has the following use mode and working principle:
adjustment of arching radian
Referring to fig. 4, firstly, the power input end of the clutch device 4 is controlled to be separated from the power output end, so that the first lead screw 3 is disconnected from the second lead screw 5; then, controlling the driving motor 2 to drive the first screw rod 3 to rotate forward (or reversely), so as to drive the first end portion 1-1 where the first bolt hole 1a of the waist support plate 1 is located to move forward (or reversely) along the first screw rod 3 through the first bolt hole 1a, and fix the second end portion 1-2 where the second bolt hole 1b of the waist support plate 1 is located, thereby arching (or flattening) the waist support plate 1; therefore, the waist supporting plate 1 can be driven to arch or flatten by the adjusting mechanism, and the arch radian of the waist supporting plate 1 is adjusted.
Second, position adjustment
referring to fig. 5, first, a power input end of the clutch device 4 is controlled to be engaged with a power output end, so that the first lead screw 3 and the second lead screw 5 are linked through the clutch device 4; then, controlling the driving motor 2 to drive the first screw rod 3 and the second screw rod 5 to rotate forward (or reversely) together, so as to drive the waist support plate 1 to move forward (or reversely) along the first screw rod 3 and the second screw rod 5 integrally through the first bolt hole 1a and the second bolt hole 1 b; therefore, the waist support plate 1 can be driven by the adjusting mechanism to translate forwards or backwards, and the arching position adjustment of the four-way adjusting waist support is realized.
Therefore, the invention can realize the four-way adjustment of the waist supporting plate 1 by only using one driving motor 2, and has the advantages of low cost, compact structure and small occupied space.
example two
on the basis of the first embodiment, the second embodiment also adopts the following preferred embodiments:
The position of the first bolt hole 1a on the waist support plate 1 is called a first end part 1-1, and the position of the second bolt hole 1b on the waist support plate 1 is called a second end part 1-2; guide mechanisms are respectively arranged between the first end part 1-1 of the waist supporting plate 1 and the fixed bracket 6 and between the second end part 1-2 of the waist supporting plate 1 and the fixed bracket 6, and under the limitation of the guide mechanisms, the first end part 1-1 and the second end part 1-2 of the waist supporting plate 1 can only slide relative to the fixed bracket 6 along the extending direction of the first screw rod 3.
Therefore, the stability and the reliability of the four-way adjusting waist support during four-way adjustment are ensured.
The above is the basic implementation manner of the second embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation manner:
Preferably: a first sliding block 1-3 is arranged at the first end part 1-1 of the back surface of the waist supporting plate 1, a second sliding block 1-4 is arranged at the second end part 1-2, and a sliding rod 6-1 is arranged on the fixed bracket 6; the sliding groove of the first sliding block 1-3 is assembled with the sliding rod 6-1 in a sliding manner to form a guide mechanism between the first end 1-1 of the waist supporting plate 1 and the fixed bracket 6; the sliding groove of the second sliding block 1-4 is assembled with the sliding rod 6-1 in a sliding manner to form a guide mechanism between the second end 1-2 of the waist supporting plate 1 and the fixed bracket 6.
preferably: the fixing support 6 is provided with two parallel slide bars 6-1, the waist support plate 1 is provided with one first slide block 1-3 and one second slide block 1-4 corresponding to each slide bar 6-1, the two first slide blocks 1-3 are respectively positioned at two sides of the first bolt hole 1a, and the two second slide blocks 1-4 are respectively positioned at two sides of the second bolt hole 1 b.
Preferably: the fixed support 6 is also provided with a first support plate 6-2, a second support plate 6-3 and a third support plate 6-4, and the first support plate 6-2, the second support plate 6-3 and the third support plate 6-4 are respectively and fixedly connected between the first end parts, the middle parts and the second end parts of the two slide bars 6-1; the body of the driving motor 2 is fixed on the first supporting plate 6-2, the body of the clutch device 4 is fixed on the second supporting plate 6-3, and the second end of the second screw rod 5 is rotatably connected with the support 6-5 arranged on the third supporting plate 6-4.
Preferably: a connecting section 6-6 is arranged between the second end parts of the two slide bars 6-1, transition sections 6-7 and welding sections 6-8 sequentially extend from the first end parts of the two slide bars 6-1, the first supporting plate 6-2 is fixedly connected between the two transition sections 6-7, and the two slide bars 6-1, the connecting section 6-6, the two transition sections 6-7 and the two welding sections 6-8 are formed by bending a steel wire; the connecting sections 6-6 and the two welding sections 6-8 are used for welding the fixing bracket 6 on a seat back framework 7 of the automobile seat.
EXAMPLE III
on the basis of the first embodiment or the second embodiment, the third embodiment further adopts the following preferred embodiments:
As shown in fig. 6, the clutch device 4 adopts an electromagnetic clutch mechanism composed of a first iron core 8, a second iron core 9, a shaft sleeve 10 and a conductive winding 11, the first iron core 8 and the second iron core 9 are both slidably mounted in the shaft sleeve 10, and the conductive winding 11 is wound on the outer wall of the shaft sleeve 10; the first iron core 8 is used as a power input end of the clutch device 4 and fixedly connected with the first screw rod 3, and the second iron core 9 is used as a power output end of the clutch device 4 and fixedly connected with the second screw rod 5.
Therefore, by controlling the conduction of the conductive winding 11, the first iron core 8 and the second iron core 9 are magnetized and attracted with each other, so that the power input end and the power output end of the clutch device 4 can be controlled to be connected, and the first lead screw 3 and the second lead screw 5 are linked through the clutch device 4; the power-off of the conductive winding 11 is controlled, so that the first iron core 8 is separated from the second iron core 9, and the separation of the power input end and the power output end of the clutch device 4 can be controlled, so that the first lead screw 3 is disconnected from the second lead screw 5.
In addition, the clutch device 4 may also be an existing electromagnetic clutch of a suitable specification or other types of existing clutches.
Example four
The invention also discloses an automobile seat which comprises a seat backrest framework 7 and the four-way adjustable waist support in any one of the first embodiment, the second embodiment and the third embodiment; the fixing support 6 of the four-way adjustable waist support is fixedly connected to the seat back framework 7, and the fixing connection mode can be welding, bolt connection and other existing fixing connection modes.
The above is the basic implementation of the fourth embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
As a preferred embodiment of the present invention: first lead screw 3 and the second lead screw 5 that the waist held in the palm is adjusted in the quadriversal are followed the axis 7a of backrest skeleton 7 arranges, waist support plate 1 that the waist held in the palm is adjusted in the quadriversal is in arrange between two parties in the left and right directions of backrest skeleton 7, just first bolt hole 1a and second bolt hole 1b are located respectively the back upper portion and the back lower part of waist support plate 1. So that the adjustment of the arching radian and the arching position of the waist supporting plate 1 can be more fit with the back curve of the human body.
In addition, the present invention does not exclude that the first lead screw 3 and the second lead screw 5 are arranged in other directions, such as in the left-right direction, in an oblique direction, etc., where appropriate.
Preferably: the driving motor 2, the first screw rod 3, the clutch device 4 and the second screw rod 5 are sequentially arranged from top to bottom.
in addition, in the case where there is a suitable installation space on the seat back frame 7, the drive motor 2 may instead be disposed lowermost.
the present invention is not limited to the above embodiments, and various other equivalent modifications, substitutions and alterations can be made without departing from the basic technical concept of the invention as described above, according to the common technical knowledge and conventional means in the field.
Claims (10)
1. A four-way adjustable waist support comprises a waist supporting plate (1) and an adjusting mechanism;
The method is characterized in that:
The adjusting mechanism comprises a driving motor (2), a first screw rod (3), a clutch device (4), a second screw rod (5) and a fixed bracket (6); the driving motor (2) and the clutch device (4) are fixed on the fixed support (6), the first screw rod (3) and the second screw rod (5) are coaxially arranged, the output end of the driving motor (2) is fixedly connected with the power input end of the clutch device (4) through the first screw rod (3), the power output end of the clutch device (4) is fixedly connected with the first end of the second screw rod (5), and the second end of the second screw rod (5) is rotatably connected with the fixed support (6);
The back of the waist supporting plate (1) is provided with a first bolt hole (1a) and a second bolt hole (1 b); the first bolt hole (1a) is matched with the first screw rod (3), and the second bolt hole (1b) is matched with the second screw rod (5).
2. The four-way adjustable lumbar support according to claim 1, wherein: the part of the waist supporting plate (1) where the first bolt hole (1a) is located is called a first end part (1-1), and the part of the waist supporting plate (1) where the second bolt hole (1b) is located is called a second end part (1-2); guide mechanisms are respectively arranged between the first end part (1-1) of the waist supporting plate (1) and the fixed support (6) and between the second end part (1-2) of the waist supporting plate (1) and the fixed support (6), and under the limitation of the guide mechanisms, the first end part (1-1) and the second end part (1-2) of the waist supporting plate (1) can only slide relative to the fixed support (6) along the extension direction of the first screw rod (3).
3. The four-way adjustable lumbar support according to claim 2, wherein: a first sliding block (1-3) is arranged at the first end part (1-1) of the back surface of the waist supporting plate (1), a second sliding block (1-4) is arranged at the second end part (1-2), and a sliding rod (6-1) is arranged on the fixed support (6); the sliding groove of the first sliding block (1-3) is assembled with the sliding rod (6-1) in a sliding manner to form a guide mechanism between the first end (1-1) of the waist supporting plate (1) and the fixed bracket (6); the sliding groove of the second sliding block (1-4) is assembled with the sliding rod (6-1) in a sliding mode to form a guide mechanism between the second end portion (1-2) of the waist supporting plate (1) and the fixed support (6).
4. The four-way adjustable lumbar support according to claim 3, wherein: the fixing support (6) is provided with two parallel slide bars (6-1), the waist supporting plate (1) is provided with one first slide block (1-3) and one second slide block (1-4) corresponding to each slide bar (6-1), the two first slide blocks (1-3) are respectively positioned on two sides of the first bolt hole (1a), and the two second slide blocks (1-4) are respectively positioned on two sides of the second bolt hole (1 b).
5. The four-way adjustable lumbar support according to claim 4, wherein: the fixed support (6) is also provided with a first support plate (6-2), a second support plate (6-3) and a third support plate (6-4), and the first support plate (6-2), the second support plate (6-3) and the third support plate (6-4) are respectively and fixedly connected between the first end parts, the middle parts and the second end parts of the two slide bars (6-1); the machine body of the driving motor (2) is fixed on the first supporting plate (6-2), the machine body of the clutch device (4) is fixed on the second supporting plate (6-3), and the second end of the second screw rod (5) is rotatably connected with a support (6-5) arranged on the third supporting plate (6-4).
6. The four-way adjustable lumbar support according to claim 5, wherein: the connecting section (6-6) is arranged between the second end parts of the two slide bars (6-1), the first end parts of the two slide bars (6-1) sequentially extend out of the transition sections (6-7) and the welding sections (6-8), the first supporting plate (6-2) is fixedly connected between the two transition sections (6-7), and the two slide bars (6-1), the connecting section (6-6), the two transition sections (6-7) and the two welding sections (6-8) are formed by bending a steel wire.
7. The four-way adjustable lumbar support according to any of claims 1-6, wherein: the clutch device (4) adopts an electromagnetic clutch mechanism consisting of a first iron core (8), a second iron core (9), a shaft sleeve (10) and a conductive winding (11), the first iron core (8) and the second iron core (9) are both arranged in the shaft sleeve (10) in a sliding mode, and the conductive winding (11) is wound on the outer wall of the shaft sleeve (10); the first iron core (8) serves as a power input end of the clutch device (4) and is fixedly connected with the first screw rod (3), and the second iron core (9) serves as a power output end of the clutch device (4) and is fixedly connected with the second screw rod (5).
8. a car seat, includes backrest skeleton (7), its characterized in that: the car seat further comprises a four-way adjustable lumbar support of any one of claims 1 to 7; the fixing support (6) of the four-way adjustable waist support is fixedly connected to the seat back framework (7).
9. the vehicle seat of claim 8, wherein: first lead screw (3) and second lead screw (5) that the waist held in the palm are adjusted to the quadriversal are followed axis (7a) of seat back skeleton (7) are arranged, waist layer board (1) that the waist held in the palm is adjusted to the quadriversal are arranged between two parties in the left and right sides direction of seat back skeleton (7), just first bolt hole (1a) and second bolt hole (1b) are located respectively the back upper portion and the back lower part of waist layer board (1).
10. The car seat according to claim 8 or 9, characterized in that: the driving motor (2), the first screw rod (3), the clutch device (4) and the second screw rod (5) are sequentially arranged from top to bottom.
Priority Applications (1)
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CN201910807149.3A CN110576776A (en) | 2019-08-29 | 2019-08-29 | Four-way adjusting waist support and automobile seat |
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CN201910807149.3A CN110576776A (en) | 2019-08-29 | 2019-08-29 | Four-way adjusting waist support and automobile seat |
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CN201910807149.3A Pending CN110576776A (en) | 2019-08-29 | 2019-08-29 | Four-way adjusting waist support and automobile seat |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112937393A (en) * | 2021-03-31 | 2021-06-11 | 博格睿(重庆)科技有限公司 | Backrest framework |
CN113273841A (en) * | 2021-04-22 | 2021-08-20 | 苏州康苗智能科技有限公司 | Modular portable back with adjustable |
CN113928197A (en) * | 2021-11-24 | 2022-01-14 | 延锋国际座椅系统有限公司 | Integrated electric back support structure |
-
2019
- 2019-08-29 CN CN201910807149.3A patent/CN110576776A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112937393A (en) * | 2021-03-31 | 2021-06-11 | 博格睿(重庆)科技有限公司 | Backrest framework |
CN113273841A (en) * | 2021-04-22 | 2021-08-20 | 苏州康苗智能科技有限公司 | Modular portable back with adjustable |
CN113928197A (en) * | 2021-11-24 | 2022-01-14 | 延锋国际座椅系统有限公司 | Integrated electric back support structure |
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