CN213973712U - Electric waist support driver for automobile seat - Google Patents
Electric waist support driver for automobile seat Download PDFInfo
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- CN213973712U CN213973712U CN202022544621.XU CN202022544621U CN213973712U CN 213973712 U CN213973712 U CN 213973712U CN 202022544621 U CN202022544621 U CN 202022544621U CN 213973712 U CN213973712 U CN 213973712U
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- worm wheel
- lead screw
- pull wire
- driving
- shell
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Abstract
The application discloses electronic waist of car seat holds in palm driver. The method comprises the following steps: the pull wire and the driving component are used for driving the pull wire to move; the pull wire is different from a driving component of an original driver in design, the pull wire is driven to move, under the condition that the good performance of the original driver is ensured, the meshing of internal gears of the original driver is reduced, and the product volume is reduced, so that the pull wire can be conveniently arranged in a seat; the output shaft of the driving motor is fixedly connected with the driving worm, the driving worm is driven to rotate by the rotation of the output shaft, and the driving worm is meshed with the transmission worm wheel, so that the transmission worm wheel and the driving worm synchronously rotate; the transmission worm is arranged on the transmission worm wheel, and the transmission worm wheel synchronously rotate to further drive the moving worm wheel to rotate; the lead screw is fixedly connected to one end of the moving worm gear, the sliding block is sleeved on the lead screw, threads are arranged on the contact surface of the lead screw and the sliding block, the pull wire is fixedly connected with the sliding block, and the lead screw and the moving worm gear synchronously rotate to enable the sliding block to axially move so as to drive the pull wire to move.
Description
Technical Field
The present disclosure generally relates to the technical field of car seat accessory equipment, and particularly relates to an electric waist support driver for a car seat.
Background
The waist support piece of the automobile seat can relieve the discomfort of the waist in the driving and riding processes, and riding experience is improved. The seat waist support is required to be adjusted to the required height at any time according to different requirements of different passengers and the same passenger, and at present, the adjusting mode comprises a manual adjusting mode and an electric adjusting mode. For a vehicle with a higher configuration, an electric adjuster is generally adopted, and a motor is used for driving a worm gear to drive an adjusting die-casting head to achieve the purpose of adjusting the height of the waist support.
At present, the existing electric driver has large appearance volume due to stroke, torque and the like, occupies large space in a seat, and is not beneficial to product arrangement; therefore, improvements are needed in the existing electric lumbar support drivers.
Disclosure of Invention
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide an electric lumbar support driver for an automobile seat, which ensures the performance of the original driver, reduces the internal gear engagement of the original driver, reduces the product volume, is convenient to arrange in the seat, and has a simple structure and is easy to implement.
In a first aspect, the present application provides an electric lumbar support driver for an automobile seat, comprising: the pull wire and the driving component are used for driving the pull wire to move;
the drive assembly includes: the driving motor, the transmission worm gear and the moving worm gear; the output shaft of the driving motor is fixedly connected with a driving worm which is meshed with the transmission worm wheel; the transmission worm wheel is provided with a transmission worm and is meshed with the moving worm wheel; one end of the moving worm gear is fixedly connected with a lead screw, and the moving worm gear and the lead screw are arranged in the same axial direction; the lead screw is sleeved with a movably connected slide block, the slide block is provided with a through hole, a thread is arranged in the through hole, and the through hole is meshed with the lead screw; the pull wire is fixedly connected with the sliding block.
According to the technical scheme provided by the embodiment of the application, the driving motor is arranged in parallel with the axis of the lead screw.
According to the technical scheme provided by the embodiment of the application, the included angle between the driving motor and the axis of the lead screw is smaller than or equal to 10 degrees.
According to the technical scheme provided by the embodiment of the application, the method further comprises the following steps: a housing for mounting the drive assembly.
According to the technical scheme provided by the embodiment of the application, the shell comprises: the first shell and the second shell are matched for use;
the inner wall of the first shell and/or the second shell is/are provided with a first limiting structure;
the first limiting structures are located on two sides of the moving worm gear and used for limiting the moving worm gear to move left and right relative to the shell.
According to the technical scheme provided by the embodiment of the application, the first shell and/or the second shell are/is provided with a second limiting structure for limiting the sliding position of the sliding block.
According to the technical scheme provided by the embodiment of the application, through holes are formed in the contact positions of the first shell and the second shell, which are adjacent to the pull wires, and the pull wires can be contained in the through holes to penetrate through the through holes.
According to the technical scheme that this application embodiment provided, the lead screw is kept away from the one end of motion worm wheel sets up assists the turning block, just the casing corresponds the position of assisting the turning block is provided with the mounting groove.
In conclusion, the technical scheme specifically discloses a specific structure of an electric waist support driver of an automobile seat. The pull wire is driven to move by the drive component which is different from the original driver in the pull wire design, and under the condition of ensuring the good performance of the original driver, the meshing of gears in the original driver is reduced, so that the volume of a product is reduced, and the product is conveniently arranged in a seat;
the output shaft of the driving motor is fixedly connected with the driving worm, and the driving force of the driving motor is utilized to drive the output shaft to rotate so as to drive the driving worm to rotate; the driving worm is meshed with the transmission worm wheel, so that the transmission worm wheel synchronously rotates while driving the worm to rotate; furthermore, the transmission worm is arranged on the transmission worm wheel and is of an integrated structure, and the transmission worm synchronously rotates along with the transmission worm wheel so as to drive the moving worm wheel to rotate; the lead screw is fixedly connected to one end of the moving worm gear, the sliding block is sleeved on the lead screw, threads are arranged on the contact surface of the lead screw and the contact surface of the lead screw, the lead screw can axially move on the lead screw, the pull wire is fixedly connected with the sliding block, and the lead screw and the moving worm gear synchronously rotate to enable the sliding block to axially move and drive the pull wire to move.
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, 2, 3 and 4 are schematic structural views of an electric lumbar support driver of an automobile seat.
Fig. 5 is a schematic structural diagram of the transmission worm wheel and the transmission worm.
Fig. 6, 7 and 8 are schematic structural diagrams of the moving worm wheel.
Fig. 9, 10 and 11 are schematic structural views of the slider.
Reference numbers in the figures: 1. a pull wire; 2. a drive motor; 3. a drive worm gear; 4. a moving worm gear; 5. a drive worm; 6. a drive worm; 7. a lead screw; 8. a slider; 9. a first housing; 10. a second housing; 11. assisting the turning block; 12. mounting grooves; 13. a first limit structure; 14. and a second limit structure.
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.
Example one
Please refer to fig. 1 and fig. 2, which illustrate a schematic structural diagram of an electric lumbar support driver for a car seat provided by the present application, comprising: the pull wire 1 and a driving component for driving the pull wire 1 to move;
the drive assembly includes: a driving motor 2, a transmission worm wheel 3 and a moving worm wheel 4; a driving worm 5 is fixedly connected to an output shaft of the driving motor and meshed with the transmission worm wheel 3; the transmission worm wheel 3 is provided with a transmission worm 6 which is meshed with the moving worm wheel 4; one end of the moving worm gear 4 is fixedly connected with a lead screw 7, and the moving worm gear 4 and the lead screw 7 are arranged in the same axial direction; the lead screw 7 is sleeved with a movably connected slide block 8, the slide block 8 is provided with a through hole, a thread is arranged in the through hole, and the through hole is meshed with the lead screw 7; the pull wire 1 is fixedly connected with the slide block 8.
In this embodiment, a driving component different from the original driver is designed for the pull wire 1 to drive the pull wire 1 to move, so that under the condition of ensuring the good performance of the original driver, the meshing of gears in the original driver is reduced, and the volume of the product is further reduced, so that the product can be conveniently arranged in the seat;
fixedly connecting an output shaft of a driving motor 2 with a driving worm 5, and driving the output shaft to rotate by using the driving force of the driving motor 2 so as to drive the driving worm 5 to rotate; moreover, the driving worm 5 is meshed with the transmission worm wheel 3, so that the transmission worm wheel 3 synchronously rotates while driving the worm 5 to rotate;
the transmission worm 6 is arranged on the transmission worm wheel 3 and can synchronously rotate along with the transmission worm wheel 3; moreover, the transmission worm 6 is meshed with the moving worm wheel 4, so as to drive the moving worm wheel 4 to rotate; as shown in fig. 3, here, the driving worm 6 and the driving worm wheel 3 are of an integral structure;
the lead screw 7 is arranged at one end of the moving worm wheel 4, the lead screw 7 and the moving worm wheel 4 are arranged in the same axial direction, and the lead screw 7 is fixedly connected with the moving worm wheel 4; when the moving worm wheel 4 rotates, the lead screw 7 synchronously rotates; here, the lead screw 7 can be made of flexible or rigid material according to actual requirements;
here, the driving motor 2 is arranged parallel to the axis of the lead screw 7, so that the occupied space perpendicular to the direction of the lead screw 7 is reduced, and the purpose of reducing the product volume is achieved;
the included angle between the driving motor 2 and the axis of the lead screw 7 is less than or equal to 10 degrees;
wherein, the transmission ratio of each level of worm gear and worm and lead screw can be adjusted according to the actual space size and size requirements;
the sliding block 8 is sleeved on the lead screw 7, a thread is arranged on the contact surface of the sliding block 8 and the lead screw 7, the sliding block can axially move on the lead screw 7, the stay wire 1 is fixedly connected with the sliding block 8, and the stay wire 1 can be driven to move when the sliding block 8 axially moves;
the thread in the sliding block 8 can be directly injected, or a nut with internal thread can be injected in the sliding block 8;
due to the limiting effect of the shell on the moving worm wheel 4, the moving worm wheel does not move left and right relative to the shell (the left and right do not have specific meaning, and the words can be described in terms of front and back, up and down and the like as far as fig. 2 or fig. 1), the moving worm wheel only rotates relative to the shell, along with the rotation direction of the lead screw 7, the threads in the slide block 8 are meshed with the lead screw 7 for transmission, so that the slide block 8 slides left and right on the lead screw 7, one end of the stay wire 1 is fixed on the slide block 8, so that the stay wire 1 outside the shell is lengthened or shortened, and along with the stay wire 1 outside the shell is lengthened or shortened, so that the form of the other end of the stay wire 1 connected with an executing piece, such as the jacking height of the waist support backboard, is adjusted.
In any preferred embodiment, further comprising: a housing for mounting the drive assembly.
In this embodiment, the housing structure is designed for mounting the drive assembly.
In any preferred embodiment, the housing comprises: a first housing 9 and a second housing 10 which are used in cooperation;
a first limiting structure 13 is arranged on the inner wall of the first shell 9 and/or the second shell 10;
the first limiting structures 13 are located on two sides of the moving worm wheel 4 and used for limiting the moving worm wheel 4 to move left and right relative to the shell.
In the present embodiment, the first housing 9 and the second housing 10 are designed to be used together to form a housing;
and the first limiting structure 13 is arranged on the inner wall of the first shell 9 and/or the second shell 10 and is used for limiting the moving worm wheel 4 to move left and right relative to the shells.
In any preferred embodiment, the first housing 9 and/or the second housing 10 is provided with a second limiting structure 14 for limiting the sliding position of the sliding block 8.
In this embodiment, the second limiting structure 14 is disposed on the first housing 9 and/or the second housing 10, and is used for limiting the sliding position of the sliding block 8;
as shown in fig. 3, a first limit structure 13 and a second limit structure 14 are arranged on the left side of the housing in sequence.
In any preferred embodiment, a through hole is formed at a contact position of the first shell 9 and the second shell 10 adjacent to the pull wire 1, and the through hole can accommodate the pull wire 1 to penetrate through.
In the embodiment, a through hole is provided at a contact position where the first housing 9 and the second housing 10 are adjacent to the pull wire 1, and is used for accommodating the pull wire 1 to penetrate through.
In any preferred embodiment, an assisting rotating block 11 is arranged at one end of the screw rod 7 far away from the moving worm wheel 4, and a mounting groove 12 is arranged at the position of the shell corresponding to the assisting rotating block 11.
In the embodiment, the auxiliary rotating block 11 is arranged at one end of the screw rod 7 far away from the moving worm wheel 4 and is used for assisting the screw rod 7 to rotate on the shell more smoothly;
here, the rotation assisting block 11 is, for example, a copper bush;
and the mounting groove 12 is arranged at the position of the shell corresponding to the auxiliary rotating block 11 and is used for accommodating the auxiliary rotating block 11.
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 (8)
1. An electric lumbar support driver for an automobile seat, comprising: the pull wire (1) and a driving component for driving the pull wire (1) to move;
the drive assembly includes: a driving motor (2), a transmission worm wheel (3) and a moving worm wheel (4); the output shaft of the driving motor is fixedly connected with a driving worm (5) which is meshed with the transmission worm wheel (3); a transmission worm (6) is arranged on the transmission worm wheel (3) and is meshed with the movement worm wheel (4); one end of the moving worm wheel (4) is fixedly connected with a lead screw (7), and the moving worm wheel (4) and the lead screw (7) are arranged in the same axial direction; the lead screw (7) is sleeved with a slide block (8) which is movably connected; the sliding block (8) is provided with a through hole, a thread is arranged in the through hole, and the through hole is meshed with the lead screw (7); the pull wire (1) is fixedly connected with the sliding block (8).
2. The electric lumbar support drive for vehicle seats according to claim 1, characterized in that the drive motor (2) is arranged parallel to the axis of the spindle (7).
3. The electric lumbar support driver for the automobile seat is characterized in that the included angle between the driving motor (2) and the axis of the lead screw (7) is less than or equal to 10 degrees.
4. The electric lumbar support drive for vehicle seats of claim 1, further comprising: a housing for mounting the drive assembly.
5. The electric lumbar support drive of an automobile seat as set forth in claim 4, wherein said housing comprises: a first shell (9) and a second shell (10) which are matched for use;
a first limiting structure (13) is arranged on the inner wall of the first shell (9) and/or the second shell (10);
the first limiting structures (13) are located on two sides of the moving worm wheel (4) and used for limiting the moving worm wheel (4) to move left and right relative to the shell.
6. The electric lumbar support driver for automobile seats according to claim 5, characterized in that the first housing (9) and/or the second housing (10) is provided with a second limiting structure (14) for limiting the sliding position of the sliding block (8).
7. The electric lumbar support driver for the automobile seat is characterized in that a through hole is formed in the contact position of the first shell (9) and the second shell (10) adjacent to the pull wire (1), and the through hole can accommodate the pull wire (1) to penetrate through.
8. The electric lumbar support driver for the automobile seat is characterized in that an assisting rotating block (11) is arranged at one end of the screw rod (7) far away from the moving worm gear (4), and a mounting groove (12) is formed in the position, corresponding to the assisting rotating block (11), of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022544621.XU CN213973712U (en) | 2020-11-06 | 2020-11-06 | Electric waist support driver for automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022544621.XU CN213973712U (en) | 2020-11-06 | 2020-11-06 | Electric waist support driver for automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213973712U true CN213973712U (en) | 2021-08-17 |
Family
ID=77261346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022544621.XU Active CN213973712U (en) | 2020-11-06 | 2020-11-06 | Electric waist support driver for automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213973712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230990A1 (en) * | 2022-06-02 | 2023-12-07 | 炼马机电（东莞）有限公司 | Rotary driver |
-
2020
- 2020-11-06 CN CN202022544621.XU patent/CN213973712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023230990A1 (en) * | 2022-06-02 | 2023-12-07 | 炼马机电（东莞）有限公司 | Rotary driver |
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