CN111791770A - Waist support driver and waist support system - Google Patents
Waist support driver and waist support system Download PDFInfo
- Publication number
- CN111791770A CN111791770A CN202010612290.0A CN202010612290A CN111791770A CN 111791770 A CN111791770 A CN 111791770A CN 202010612290 A CN202010612290 A CN 202010612290A CN 111791770 A CN111791770 A CN 111791770A
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- gear
- shell
- limiting block
- lumbar support
- winding
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- 238000004804 winding Methods 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The application discloses a lumbar support driver and a lumbar support system. The method comprises the following steps: the winding mechanism comprises a shell, a driving gear and a winding gear which are arranged in the shell, and a bottom cover fixedly connected with the shell; the application specifically utilizes a shell as a shell of the driver, and various components are installed in the shell; the winding gear adopts a shaftless or shafted structure, the driving piece drives the driving gear to rotate through the rotating shaft and then drives the winding gear to rotate so as to further drive the tightening and releasing of the stay wire, and in the rotating process of the driving gear, the axis of the winding gear is fixed through a limiting block or the axis of the winding gear is fixed by using a central shaft, so that the driving gear and the winding gear are ensured to be stably meshed; the large transmission ratio is realized, and the purposes of small occupied space and labor saving are achieved.
Description
Technical Field
The present disclosure relates generally to the field of seat lumbar support technology, and more particularly to a lumbar support actuator and lumbar support system.
Background
With the technological development in the field of vehicle transportation, people have higher and higher requirements on the riding comfort of vehicles. The technology for simply and manually adjusting and supporting the waist and the back of the seat in the field of vehicles also comes along and is gradually applied to the market.
The existing automobile seat is manually driven, and due to structural limitation, a winding mechanism is limited, so that the jacking height of a waist support mechanism is insufficient, and the comfort level of passengers is poor; therefore, improvements in the existing structure are desired.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a lumbar support actuator and lumbar support system that increases the height of the backrest lumbar support, increases the comfort of the vehicle seat, and is simple and easy to implement.
In a first aspect, the present application provides a lumbar support drive comprising: the winding mechanism comprises a shell, a driving gear and a winding gear which are arranged in the shell, and a bottom cover fixedly connected with the shell; a positioning part is arranged in the shell; the winding gear is meshed with the driving gear; the winding gear is a full-circumference gear; the winding gear is arranged on the positioning part and can rotate in the shell; the inner peripheral wall of the winding gear is provided with gear teeth, and the outer side wall of the winding gear is provided with an accommodating groove; be provided with the acting as go-between on the holding tank, just the winding of acting as go-between is in on the holding tank.
According to the technical scheme provided by the embodiment of the application, the holding tank is provided with the stay wire, and the stay wire is wound on the holding tank for less than one turn or at least one turn.
According to the technical scheme provided by the embodiment of the application, the positioning part is a limiting mechanism; the stop gear includes: the limiting block is arranged at the bottom of the shell, and the limiting sliding groove is arranged on the side wall, close to the limiting block, of the winding gear; the limiting sliding groove can rotate along the circumference track of the limiting block.
According to the technical scheme provided by the embodiment of the application, the limiting sliding groove is a full-circle sliding groove, and the limiting block is a full-circle limiting block; the whole-circumference limiting block is a circumferential limiting block, and the limiting sliding groove rotates along the circumferential limiting block; or the like, or, alternatively,
the whole-circle limiting block is a sectional type limiting block arranged corresponding to the circumferential track of the limiting sliding groove, and the limiting sliding groove rotates along the circumferential track of the sectional type limiting block.
According to the technical scheme provided by the embodiment of the application, the positioning part is a central shaft; the winding gear is provided with a matching part, and the matching part is connected with the winding gear on one side close to the bottom cover; the central shaft extends into the matching part and is fixedly connected to the shell or the bottom cover.
According to the technical scheme provided by the embodiment of the application, the driving gear and the winding gear are arranged correspondingly in type and are straight-tooth gears or helical gears.
According to the technical scheme that this application embodiment provided, be provided with the rotation axis on the drive gear, just the rotation axis runs through the shell.
According to the technical scheme that this application embodiment provided, the outside of rotation axis is provided with the locking spring, just the locking spring is close to drive gear sets up.
According to the technical scheme provided by the embodiment of the application, a driving piece is arranged at the end part of the rotating shaft; the driving piece is a handle or a driving motor.
In a second aspect, the present application provides a lumbar support system having a lumbar support actuator of the type described above mounted thereon.
In summary, the present disclosure specifically discloses a specific structure of a lumbar support driver. The application specifically utilizes a shell as a shell of the driver, and various components are installed in the shell; the winding gear adopts a shaftless or shafted structure, the driving piece drives the driving gear to rotate through the rotating shaft and then drives the winding gear to rotate so as to further drive the tightening and releasing of the stay wire, and in the rotating process of the driving gear, the axis of the winding gear is fixed through a limiting block or the axis of the winding gear is fixed by using a central shaft, so that the driving gear and the winding gear are ensured to be stably meshed; the large transmission ratio is realized, and the purposes of small occupied space and labor saving are achieved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of the lumbar support driver in a shaftless state.
Fig. 2 is a side view of the waist support driver in a non-shaft state.
Fig. 3 is a schematic structural view of the winding gear and the limiting mechanism in fig. 2 in a full circle form.
Fig. 4 is a schematic structural view of a portion a in fig. 3.
Fig. 5 is a schematic structural view of the winding gear and the limiting mechanism in fig. 2, both of which adopt a non-full-circle form.
Fig. 6 is a schematic structural view of the waist support driver driven by the handle in a shaftless state.
Fig. 7 is a schematic structural diagram of the waist support driver driven by a driving motor in a shaftless state.
Fig. 8 is a schematic structural view of the lumbar support driver in a shaft state.
Fig. 9 is a side view of the lumbar support driver in a state with a shaft.
Fig. 10 is a schematic structural view of a limiting mechanism of the waist support driver in a shaft state.
Fig. 11 is a schematic structural view of a portion B in fig. 10.
Figure 12 is a schematic view of the structure of the waist support driver when driven by a handle in a shaft state.
Fig. 13 is a schematic structural view of the lumbar support driver driven by a driving motor in a shaft state.
Reference numbers in the figures: 1. a housing; 2. a drive gear; 3. a winding gear; 4. a pull wire; 5. a limiting chute; 6. a limiting block; 7. accommodating grooves; 8. a bottom cover; 9. a handle; 10. a drive motor; 11. a central shaft; 12. a locking spring; 13. a rotating shaft.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1, which is a schematic structural diagram of a lumbar support driver provided in the present application, including: the winding device comprises a shell 1, a driving gear 2 and a winding gear 3 which are arranged in the shell 1, and a bottom cover 8 fixedly connected with the shell 1; a positioning part is arranged in the shell 1; the winding gear 3 is meshed with the driving gear 2; the winding gear 3 is a full-circle gear; the winding gear 3 is installed on the positioning part and can rotate in the shell 1; the inner peripheral wall of the winding gear 3 is provided with gear teeth, and the outer side wall of the winding gear is provided with an accommodating groove 7; the holding tank 7 is provided with a stay wire 4, and the stay wire 4 is wound on the holding tank 7.
In this embodiment, the housing 1 is fixed to the bottom cover 8 to form a housing of the present actuator, and each component is mounted inside the housing;
the driving gear 2 is arranged on the side wall of the shell 1 and is used for driving the winding gear 3 to rotate; the diameter of the driving gear 2 is smaller than that of the winding gear 3;
the winding gear 3 is arranged in the shell 1, is meshed with the driving gear 2, is arranged on the positioning part and can rotate in the shell 1, and further realizes the tightening or releasing of the stay wire 4; here, the winding gear 3 is a full-circumference gear, i.e., a full-circumference gear;
here, in order to ensure that the driving gear 2 and the winding gear 3 can be always meshed, the driving gear 2 is provided corresponding to the type of the winding gear 3, and the type of the winding gear 3 is, for example, a straight-tooth gear, and the type of the driving gear 2 is a straight-tooth gear; the winding gear 3 is a helical gear, and the driving gear 2 is a helical gear;
a positioning part arranged in the housing 1 and used for limiting the position of the winding gear 3; here, the positioning part is a circumferential side wall of the accommodating cavity in the housing 1;
the accommodating groove 7 is arranged on the outer side wall of the winding gear 3 and used for winding the pull wire 4;
when the driving gear 2 starts to rotate, the driving gear 2 is meshed with the inner teeth of the winding gear 3 to drive the winding gear 3 to rotate along the circumferential surface of the side face of the shell 1, gear teeth are arranged on the circumferential wall of the inner side of the winding gear 3, the winding gear 3 can rotate for less than one circle or a plurality of circles or less than a plurality of circles under the driving of the driving gear 2, correspondingly, the stay wire 4 is completely wound on the winding gear 3 or releases one circle, a plurality of circles or less than a plurality of circles, the adjustment of a larger stroke range of the stay wire is realized, and the jacking height of the lumbar support is improved; when the driving part stops rotating, the lock spring 12 prevents the winding gear 3 from being rotated again by a power other than the driving part.
In any preferred embodiment, the holding groove 7 is provided with the pulling wire 4, and the pulling wire 4 is wound on the holding groove 7 for less than one turn or at least one turn.
In this embodiment, the pulling wire 4 is disposed on the accommodating groove 7, and is wound around the accommodating groove 7 in a manner of less than one turn or at least one turn.
Example one
In any preferred embodiment, the positioning part is a limiting mechanism; the stop gear includes: the limiting block 6 is arranged at the bottom of the shell 1, and the limiting sliding groove 5 is arranged on the side wall of the winding gear 3 close to the limiting block 6; the limiting sliding groove 5 can rotate along the circumferential track of the limiting block 6.
In the embodiment, the limiting mechanism is used as the positioning part, and the circumference limitation is performed through the limiting mechanism, so that the winding gear 3 can rotate for multiple circles to tighten the stay wire 4;
the limiting block 6 is arranged at the bottom of the shell 1 and limits the axis of the winding gear 3, so that the driving gear 2 and the winding gear 3 are ensured to be stably meshed, and a sliding path of the limiting sliding chute 5 is limited;
the limiting chute 5 is arranged on the side wall of the winding gear 3 close to the limiting block 6 and can rotate along the circumferential track of the limiting block 6 to drive the winding gear 3 to rotate, so that the pull wire 4 can be tightened or released;
the bottom cover 8 can also be provided with a limiting block 6, and the wiping surface of the adjacent bottom cover 8 can be provided with a limiting sliding groove 5;
here, still scribble emollient between stopper 6 and the spacing spout 5 to stopper 6 smooth slip.
In any preferred embodiment, the limiting chute 5 is a full-circle chute, and the limiting block 6 is a full-circle limiting block; the whole-circumference limiting block is a circumferential limiting block, and the limiting chute 5 rotates along the circumferential limiting block; or the like, or, alternatively,
the whole-circle limiting block is a sectional limiting block arranged corresponding to the circumferential track of the limiting chute 5, and the limiting chute 5 rotates along the circumferential track of the sectional limiting block.
In this embodiment, as shown in fig. 3 and 4, the winding gear 3 is a full-circumference gear, the limiting chute 5 is a full-circumference chute, and the limiting block 6 is a full-circumference limiting block; here, the type of the circumferential stopper, optionally, for example, a circumferential stopper, along which the stopper chute 5 rotates; or, a sectional type limiting block is arranged corresponding to the circumferential track of the limiting chute 5, and the limiting chute 5 rotates along the circumferential track of the sectional type limiting block; a shaftless structure is adopted, the rotating shaft 13 drives the driving gear 2 to rotate and drives the winding gear 3 to rotate, so as to drive the pull wire 4 to be tightened and released, and in the rotating process of the driving gear 2, the axis of the winding gear 3 is limited by the limiting block 6, so that the driving gear 2 and the winding gear 3 are ensured to be stably meshed; the large transmission ratio is realized, and the purposes of small occupied space and labor saving are achieved.
The winding gear 3 can be a local gear, the limiting chute 5 is a non-full-circumference chute, and the limiting block 6 is a non-full-circumference limiting block; as shown in fig. 5, according to actual requirements, the winding gear 3 is used as a local gear, the limiting chute 5 is a non-full-circumference chute, and the limiting block 6 is a non-full-circumference limiting block to limit the winding length, and the sizes and proportions of the driving gear 2 and the winding gear 3 are adjusted according to the requirements of actual space and size.
Moreover, the connection mode of the limiting block 6 and the housing 1 can be, for example, an integral structure or a split structure; when the limiting block 6 and the shell 1 are in an integrated structure, the connecting mode of the limiting block 6 and the shell 1 can be an integrated structure or a welded connection structure; when the limiting block 6 and the shell 1 are of a split structure, the connecting mode of the limiting block 6 and the shell 1 can be a bolt connection mode or a buckle connection mode.
Example two
In any preferred embodiment, the positioning part is a central shaft 11; the winding gear 3 is provided with a matching part, and the matching part is connected with the winding gear 3 at one side close to the bottom cover 8; the central shaft 11 extends into the matching part and is fixedly connected to the shell 1 or the bottom cover 8.
In the present embodiment, on the basis of the first embodiment, the central shaft 11 is used as a positioning portion, the winding gear 3 is mounted on the central shaft 11, and the central shaft 11 extends into the matching portion of the winding gear 3 and is fixedly connected to the housing 1 or the bottom cover 8, so that the winding gear 3 rotates for multiple turns to tighten the wire 4.
In any preferred embodiment, a rotating shaft 13 is disposed on the driving gear 2, and the rotating shaft 13 penetrates through the housing 1.
In this embodiment, the rotation axis 13 is disposed on the driving gear 2, and it runs through the housing 1, and the other end is connected with a driving part motor, a handle, etc. for driving the driving gear 2 to rotate, and further driving the winding gear 3 to rotate.
In any preferred embodiment, a locking spring 12 is disposed outside the rotating shaft 13, and the locking spring 12 is disposed near the driving gear 2.
In the present embodiment, a locking spring 12 is disposed outside the rotary shaft 13 and near the driving gear 2, and is used to prevent the winding gear 2 from being rotated again by a force other than the driving component.
In any preferred embodiment, the end of the rotating shaft 13 is provided with a driving member; the driving part is a handle 9 or a driving motor 10.
In the present embodiment, as shown in fig. 6, 7, 12 and 13, a driving member is provided at an end of the rotating shaft 13 for providing a driving force to the present driver; a drive member, optionally, such as a handle 9 or a drive motor 10; here, the connection mode of the driving motor 10 and the driving gear 2 may be a connection mode such as a worm gear, a helical gear connection, a flexible screw connection, or the like; the drive motor 10 is of a type, optionally, GM37-555PM, for example.
EXAMPLE III
The present embodiment provides a lumbar support system having the lumbar support actuator mounted thereon.
In this embodiment, the lumbar support system uses the lumbar support driver in the above embodiments to achieve the purpose of increasing the jacking height of the lumbar support and improving comfort.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. A lumbar support drive, comprising: the winding mechanism comprises a shell (1), a driving gear (2) and a winding gear (3) which are arranged in the shell (1), and a bottom cover (8) fixedly connected with the shell (1); a positioning part is arranged in the shell (1); the winding gear (3) is meshed with the driving gear (2); the winding gear (3) is a full-circle gear; the winding gear (3) is arranged on the positioning part and can rotate in the shell (1); the internal perisporium of wire winding gear (3) is equipped with the teeth of a cogwheel, and its lateral wall is provided with holding tank (7).
2. A lumbar support drive according to claim 1, characterized in that the receiving groove (7) is provided with a pull wire (4), and the pull wire (4) is wound around the receiving groove (7) less than one turn or at least one turn.
3. The lumbar support driver as set forth in claim 1, wherein said positioning portion is a limiting mechanism; the stop gear includes: a limiting block (6) arranged at the bottom of the shell (1) and a limiting sliding groove (5) arranged on the side wall of the winding gear (3) close to the limiting block (6); the limiting sliding groove (5) can rotate along the circumferential track of the limiting block (6).
4. A lumbar support drive according to claim 3, characterized in that said limit runner (5) is a full-circumference runner; the limiting block (6) is a whole-circle limiting block; the whole-circumference limiting block is a circumferential limiting block, and the limiting sliding groove (5) rotates along the circumferential limiting block; or the like, or, alternatively,
the whole-circle limiting block is a sectional type limiting block arranged corresponding to the circumferential track of the limiting sliding groove (5), and the limiting sliding groove (5) rotates along the circumferential track of the sectional type limiting block.
5. A lumbar support driver according to claim 1, characterized in that said positioning portion is a central shaft (11); the winding gear (3) is provided with a matching part, and the matching part is connected with the winding gear (3) at one side close to the bottom cover (8); the central shaft (11) extends into the matching part and is fixedly connected to the shell (1) or the bottom cover (8).
6. A lumbar support drive as claimed in claim 1, characterized in that the drive gear (2) is arranged corresponding to the type of winding gear (3) and is a straight-toothed gear or a helical gear.
7. A lumbar support drive as claimed in claim 1, characterized in that a rotary shaft (13) is provided on the drive gear (2), and the rotary shaft (13) extends through the housing (1).
8. A lumbar support drive according to claim 7, characterized in that a locking spring (12) is arranged outside the rotational shaft (13) and that the locking spring (12) is arranged close to the driving gear (2).
9. A lumbar support drive according to claim 7 or 8, characterized in that the end of the rotary shaft (13) is provided with a drive; the driving piece is a handle (9) or a driving motor (10).
10. A lumbar support system characterized in that a lumbar support drive as claimed in any one of claims 1 to 9 is mounted on said lumbar support system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612290.0A CN111791770A (en) | 2020-06-30 | 2020-06-30 | Waist support driver and waist support system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010612290.0A CN111791770A (en) | 2020-06-30 | 2020-06-30 | Waist support driver and waist support system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111791770A true CN111791770A (en) | 2020-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010612290.0A Pending CN111791770A (en) | 2020-06-30 | 2020-06-30 | Waist support driver and waist support system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111791770A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010888A2 (en) * | 2011-07-20 | 2013-01-24 | C. Rob. Hammerstein Gmbh & Co. Kg | Adjusting device for a motor vehicle seat |
| CN204712926U (en) * | 2015-06-12 | 2015-10-21 | 长春市新发展塑胶工业有限公司 | Hand-operated waist support controller |
| CN206374607U (en) * | 2016-12-15 | 2017-08-04 | 长春市新发展塑胶工业有限公司 | A kind of electronic support-board type waist support and its electric drive |
| CN107161057A (en) * | 2017-07-04 | 2017-09-15 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
| CN107234994A (en) * | 2017-07-04 | 2017-10-10 | 上海安闻汽车电子有限公司 | A kind of backrest lacing wire drive system |
| CN206938533U (en) * | 2017-07-04 | 2018-01-30 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
| CN206938534U (en) * | 2017-07-04 | 2018-01-30 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
-
2020
- 2020-06-30 CN CN202010612290.0A patent/CN111791770A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010888A2 (en) * | 2011-07-20 | 2013-01-24 | C. Rob. Hammerstein Gmbh & Co. Kg | Adjusting device for a motor vehicle seat |
| CN204712926U (en) * | 2015-06-12 | 2015-10-21 | 长春市新发展塑胶工业有限公司 | Hand-operated waist support controller |
| CN206374607U (en) * | 2016-12-15 | 2017-08-04 | 长春市新发展塑胶工业有限公司 | A kind of electronic support-board type waist support and its electric drive |
| CN107161057A (en) * | 2017-07-04 | 2017-09-15 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
| CN107234994A (en) * | 2017-07-04 | 2017-10-10 | 上海安闻汽车电子有限公司 | A kind of backrest lacing wire drive system |
| CN206938533U (en) * | 2017-07-04 | 2018-01-30 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
| CN206938534U (en) * | 2017-07-04 | 2018-01-30 | 上海安闻汽车电子有限公司 | A kind of manual lacing wire driver |
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Application publication date: 20201020 |
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