CN107933383B - Electric seat and angle adjusting device thereof - Google Patents
Electric seat and angle adjusting device thereof Download PDFInfo
- Publication number
- CN107933383B CN107933383B CN201711321068.XA CN201711321068A CN107933383B CN 107933383 B CN107933383 B CN 107933383B CN 201711321068 A CN201711321068 A CN 201711321068A CN 107933383 B CN107933383 B CN 107933383B
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- driving
- damping element
- damping
- eccentric
- adjusting device
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- 238000013016 damping Methods 0.000 claims abstract description 97
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 21
- 230000013011 mating Effects 0.000 description 13
- 239000003921 oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
-
- 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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2213—Gear wheel driven mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses an electric seat and an angle adjusting device thereof, wherein the angle adjusting device comprises an inner toothed plate and an outer toothed plate which are meshed with each other, an eccentric cavity is formed between the inner toothed plate and the outer toothed plate, an eccentric ring which fills up the forward eccentric area of the eccentric cavity is arranged in the eccentric cavity, a first accommodating area and a second accommodating area are arranged in the eccentric ring along the circumferential direction, and a driving part for driving the eccentric ring to rotate is also arranged in the eccentric cavity; the device is characterized in that a damping component is arranged in the first accommodating area and/or the second accommodating area, and the damping component is in a compressed state in the working process of the driving component. The damping component can eliminate the control idle stroke, thereby eliminating the adjustment lag felt by passengers in the reversing adjustment process of the seat and the backrest, and consuming the energy when the driving component contacts with the driving matching surface, thereby reducing the noise when the seat and the backrest are in reversing adjustment, and further improving the comfort of the electric seat.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to an electric seat and an angle adjusting device thereof.
Background
The seat angle adjuster is used for connecting a seat and a back of an automobile seat, and passengers can adjust the angle of the back to the optimal position through the seat angle adjuster to obtain the most comfortable and most habitual riding angle. For the driver, the best view can be obtained by adjusting the angle of the chair back, and the steering wheel, the pedals, the gear lever and other operating parts can be easily operated. With the development of the automobile industry, the comfort performance requirements of customers on the angle adjusters and the seats are gradually improved.
At present, the electric seat angle adjuster generally adopts a planetary gear transmission principle, and when all parts are assembled, a certain distance exists between a driving part and a driving matching surface due to a certain degree of machining and assembly errors, and the distance between the driving part and the driving matching surface forms an operation idle stroke of the electric seat angle adjuster.
Because of the existence of the operation idle stroke, when the seat and the backrest are operated in a reversing way, the driving part must firstly pass through the operation idle stroke and then can be contacted with the driving matching surface, so that the problems of asynchronous driving, lag in backrest adjustment, reversing impact noise and the like are caused in the reversing operation process, and the comfort of the electric seat is poor.
In view of this, it is an urgent technical problem of the skilled person to provide a recliner for a power seat, which can eliminate or reduce the idle operation stroke of the driving member, thereby improving the comfort of the power seat.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an angle adjusting device of an electric seat, which comprises an inner toothed plate and an outer toothed plate which are meshed with each other, wherein an eccentric cavity is formed between the inner toothed plate and the outer toothed plate, an eccentric ring which fills up the forward eccentric area of the eccentric cavity is arranged in the eccentric cavity, a first accommodating area and a second accommodating area are arranged in the eccentric ring along the circumferential direction, and a driving part for driving the eccentric ring to rotate is also arranged in the eccentric cavity; the device is characterized in that a damping component is arranged in the first accommodating area and/or the second accommodating area, and the damping component is in a compressed state in the working process of the driving component.
In the invention, after the damping part is arranged, the damping part can fill the operation idle stroke of the angle adjusting device, so that the damping part is in a compressed state before the driving part is matched with the driving matching surface, and the eccentric ring is driven to rotate after the driving part is matched with the driving matching surface, thereby realizing the angle adjustment. Therefore, the setting of this damping part can eliminate above-mentioned manipulation idle running to eliminate the regulation hysteresis that the passenger felt in seat and the back switching-over adjustment process, and the setting of this damping part can consume the energy when driving part and drive the mating surface contact, thereby noise when reducing seat and the back switching-over adjustment, and then improve electric seat's travelling comfort.
Optionally, a wedge block is arranged in the first accommodating area, and the driving component can drive the wedge block or the eccentric ring to further drive the eccentric ring to rotate;
the angle adjusting device further comprises an elastic component for pressing the eccentric ring and the wedge block.
Optionally, the driving component includes a first driving block and a second driving block respectively extending into the first accommodation area and the second accommodation area, and both the driving blocks have a driving working surface and a non-driving working surface;
the damping component comprises a first damping element and a second damping element which are respectively arranged in the first accommodating area and the second accommodating area, one end of each damping element is propped against the non-driving working surface corresponding to the driving block, and the other end of each damping element is propped against the side wall corresponding to the accommodating area.
Optionally, the first driving block and the first damping element fill the first accommodation area, and the second driving block and the second damping element fill the second accommodation area.
Optionally, the first damping element and the second damping element are of a split structure.
Optionally, the first damping element and the second damping element are rubber blocks or springs.
Optionally, the damping component is an integrally formed elastic structure and is provided with a groove, the groove is clamped with the eccentric ring, and the two sides of the groove are respectively provided with the first damping element and the second damping element.
Optionally, the side walls of the first accommodating area and the second accommodating area are respectively provided with an accommodating groove for clamping the damping element.
Optionally, the first damping element and the second damping element are both in block structures, and oil guide grooves are formed in the peripheries of the first damping element and the second damping element.
In addition, the invention also provides an electric seat, which comprises a seat and a chair back which are connected through an angle adjusting device, wherein the angle adjusting device is the angle adjusting device.
Drawings
FIG. 1 is an exploded view of an angle adjustment device of the present invention with damping members removed;
FIG. 2 is a schematic diagram of the gear mechanism of FIG. 1;
FIG. 3 is an exploded view of the angle adjusting device according to the present invention;
FIG. 4 is a top view of an angle adjusting device according to the present invention;
FIG. 5 illustrates the mating relationship between the wedge block, damping member, driving block and eccentric ring of FIG. 4;
FIG. 6 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a first damping member;
FIG. 7 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a second damping member;
FIG. 8 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a third damping member;
FIG. 9 is a schematic view of the structure of FIG. 5 with the damping member removed;
fig. 10 is a transverse cross-sectional view of fig. 9.
In fig. 1-10:
1 a gear mechanism, 11 an inner toothed plate, 111 an inner gear ring, 112 a collar, 12 an outer toothed plate, 121 an outer gear ring, 122 a center hole, 13 an eccentric ring, 131 a first accommodating area, 132 a second accommodating area, 133 a flange, 134 a first buffer matching surface, 135 a second driving matching surface, 136 a second buffer matching surface, 14 a accommodating groove, 15 a damping part and 151 an oil guiding groove;
2 wedge block, 21 first driving mating surface, 3 torsion spring;
4 driving wheels, 41 rotating shafts, 42 first driving blocks, 43 second driving blocks, 44 driving working surfaces and 45 non-driving working surfaces;
5 locking plate, 51 fixed hole, 52 drive hole, 53 locking hole.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 10, fig. 1 is an exploded view of an angle adjusting device according to the present invention with damping members removed; FIG. 2 is a schematic diagram of the gear mechanism of FIG. 1; FIG. 3 is an exploded view of the angle adjusting device according to the present invention; FIG. 4 is a top view of an angle adjusting device according to the present invention; FIG. 5 illustrates the mating relationship between the wedge block, damping member, driving block and eccentric ring of FIG. 4; FIG. 6 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a first damping member; FIG. 7 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a second damping member; FIG. 8 is a schematic view illustrating a structure in which the eccentric ring of FIG. 5 is provided with a third damping member; FIG. 9 is a schematic view of the structure of FIG. 5 with the damping member removed; fig. 10 is a transverse cross-sectional view of fig. 9.
In one embodiment, the present invention provides an angle adjusting device for a power seat, as shown in fig. 1, comprising an inner gear plate 11 having an inner gear ring 111 and an outer gear plate 12 having an outer gear ring 121, wherein the inner gear plate 11 is used for being connected with a seat of the power seat, and the outer gear plate 12 is used for being connected with a back of the power seat. The middle part of the inner toothed plate 11 is provided with a collar 112, the middle part of the outer toothed plate 12 is provided with a central hole 122, the inner toothed plate 11 and the outer toothed plate 12 are eccentrically meshed through the inner toothed ring 111 and the outer toothed ring 121, an eccentric cavity is formed between the collar 112 and the central hole 122 after the inner toothed plate is meshed, and an eccentric ring 13 which fills up the forward eccentric area of the eccentric cavity is arranged in the eccentric cavity, wherein the forward eccentric area refers to the area with larger radial dimension in the eccentric cavity.
In the present invention, the inner gear plate 11, the outer gear plate 12 and the eccentric ring 13 constitute a gear mechanism 1, and the gear mechanism 1 is a planetary gear transmission mechanism with small teeth difference, and the gear mechanism 1 has the advantage of compact structure on the basis of realizing transmission, and can be used for an electric seat.
Specifically, as shown in fig. 1 and 2, the eccentric ring 13 has a first accommodating area 131 and a second accommodating area 132 along the circumferential direction, wherein a driving component for driving the eccentric ring 13 to rotate is disposed in the first accommodating area 131 and/or the second accommodating area 132, and the eccentric ring 13 rotates under the driving of the driving component, so that the inner toothed plate 11 rotates relative to the outer toothed plate 12, and further, the angle between the seat and the back of the chair is adjusted.
In the present embodiment, the driving part performs the rotation of the eccentric ring 13 by driving the sidewall of the first receiving zone 131 and/or the second receiving zone 132, but, as shown in fig. 2, there are certain operation idle strokes a and b between the driving part and the driving mating surface of the first receiving zone 131 and/or the second receiving zone 132, i.e., there is a certain distance between the driving part and the driving mating surface. When the angle adjusting device works, the driving part can be matched with the driving matching surface only after the operation idle strokes a and b are needed before the driving part is driven to be abutted with the driving matching surface.
Therefore, in the above-described angle adjusting device, due to the existence of the operation idle strokes a and b, the passenger can feel that there is a significant lag in the adjusting process when the seat and the backrest are reversed for adjustment, which affects the comfort when the power seat is reversed. Meanwhile, when the driving part is matched with the driving matching surface after passing through the operation idle strokes a and b, the driving part and the driving matching surface are contacted at a higher speed, so that obvious noise is generated when the seat and the chair back are in reversing adjustment, and the comfort of the electric seat is also influenced.
In order to solve the above-mentioned problems, in the angle adjusting device according to the present invention, in addition to the driving component, a damping component 15 is further disposed in the first accommodating area 131 and/or the second accommodating area 132.
In the invention, after the damping part 15 is arranged, the damping part 15 can fill the operation idle stroke of the angle adjusting device, so that before the driving part is matched with the driving matching surface, the damping part 15 is in a compressed state, and after the driving part is matched with the driving matching surface, the eccentric ring 13 is driven to rotate, thereby realizing the angle adjustment. Therefore, the arrangement of the damping member 15 can eliminate the above-mentioned manipulation idle stroke, thereby eliminating the adjustment lag felt by the passenger in the seat and backrest reversing adjustment process, and the arrangement of the damping member 15 can also consume the energy when the driving member contacts with the driving mating surface, thereby reducing the noise in the seat and backrest reversing adjustment, and further improving the comfort of the electric seat.
Further, the first receiving area 131 of the eccentric ring 13 is provided with a wedge block 2, and the driving part drives the eccentric ring 13 to rotate by driving the wedge block 2 in the first receiving area 131. Meanwhile, the angle adjusting device further includes an elastic member, and the elastic force of the elastic member compresses the eccentric ring 13 and the wedge 2.
When the angle adjusting device works, the circumferential elastic force exerted by the elastic component acts on the eccentric ring 13 and the wedge block 2, so that the eccentric ring 13 is propped against the wall of the central hole 122 of the outer toothed plate 12, and the wedge block 2 is propped against the collar 112 of the inner toothed plate 11, thereby eliminating the gap between the meshing teeth of the inner toothed ring 111 and the outer toothed ring 121, and further improving the comfort of the electric seat.
Specifically, the elastic component may be a torsion spring 3, where the torsion spring 3 has two axial legs arranged in the same direction, and when assembled, one leg of the torsion spring 3 passes through a locking hole 53 of the locking plate 5 and then is installed in a fixing hole of the wedge block 2, and the other leg passes through the locking hole 53 and then abuts against the inner wall of the wedge block 2, so that the eccentric ring 13 and the wedge block 2 are wedged tightly by the torsion spring 3.
Further, the driving component includes a first driving block 42 and a second driving block 43 respectively extending into the first accommodating area 131 and the second accommodating area 132, and the two driving blocks are protruding blocks arranged on the end face of the driving wheel 4. Specifically, the first driving block 42 and the second driving block 53 extend into the first accommodation area 131 and the second accommodation area 132 of the eccentric ring 13 after passing through the two driving holes 52 of the lock plate 5, and each of the driving blocks has a driving working surface 44 and a non-driving working surface 45 in the circumferential direction. The lock plate 5 also has a fixing hole 51 to which other components are connected.
Meanwhile, in order to further eliminate the operation idle strokes a and b between the driving components and the driving mating surfaces, the first accommodating area 131 and the second accommodating area 132 are respectively provided with the damping components 15, one of the two driving blocks is in a driving mode, the other is in a non-driving mode, one end of the damping component 15 in the two accommodating areas is abutted against the non-driving working surface 45 of the corresponding driving block, and the other end is abutted against the circumferential side wall of the corresponding accommodating area.
Specifically, as shown in fig. 6 to 9, in the first accommodation region 131, both ends of the damping member 15 in the circumferential direction are respectively abutted against the first drive block 42 and the first buffer mating surface 134 of the first accommodation region 131, and in the second accommodation region 132, both ends of the damping member 15 in the circumferential direction are respectively abutted against the second drive block 43 and the second buffer mating surface 134 of the second accommodation region 132.
When the first driving block 42 is the driving end, as shown in fig. 5, during the rotation process of the driving wheel 4 driven by the rotating shaft 41, before the first driving block 42 contacts with the first driving matching surface 21, the second driving block 43 moves towards the damping part 15 and compresses the damping part 15, and during the compression process, the damping part 15 deforms until the first driving block 42 can contact with the first driving matching surface 21, and the eccentric ring 13 is driven to rotate by the wedge block 2. When the second driving block 43 is the driving end, the rotating shaft 41 drives the driving wheel 4 to reversely rotate, before the second driving block 43 contacts with the second driving matching surface 135, the first driving block 42 moves towards the damping part 15 and compresses the damping part 15, and when the damping part 15 is deformed to the point that the second driving block 43 can contact with the second driving matching surface 135 in the compression process, the second driving block 43 drives the eccentric ring 13 to reversely rotate.
Meanwhile, in order to achieve the above-described reversing operation, it is necessary to ensure that the driving element 15 has a sufficient amount of deformation.
Further, the first driving block 42 and the damping member 15 fill the first accommodation region 131, and the second driving block 43 and the damping member 15 fill the second accommodation region 132.
In this embodiment, the size of the damping component 15 is controlled to enable the driving block and the damping component 15 to fill the corresponding accommodating area as much as possible, so that when the driving block of the driving end contacts with the corresponding driving mating surface, the required deformation of the damping component 15 is smaller, and the service life of the damping component 15 is further prolonged.
In addition, as shown in fig. 2, when the damping member is not provided, the above-mentioned operation idle strokes a and b are randomly distributed, and may be different or identical, and when they are different, the eccentric directions of the two directions of the eccentric ring 13 are different, thereby causing the required driving forces to be different when the two are adjusted in the two directions.
In the present invention, as shown in fig. 10, the distance between the two driving blocks and the corresponding driving mating surfaces is adjustable by controlling the sizes of the damping members 15 in the two receiving areas, so that the two driving blocks and the corresponding driving mating surfaces can be controlled to be equal by people, thereby making the eccentric directions of the two sides of the eccentric ring 13 identical.
Specifically, as shown in fig. 6, the damping members 15 in the first accommodating area 131 and the second accommodating area 132 may be rubber blocks, and the rubber blocks are always in an elastic deformation stage in the working process of the angle adjusting device, so as to avoid yielding and crushing, thereby ensuring that the angle adjusting device can work normally.
As shown in fig. 7, the damping member 15 may be a spring, and the damping members 15 in the first accommodation region 131 and the second accommodation region 132 may be the same or different.
As shown in fig. 8, the damping members 15 in the first accommodation area 131 and the second accommodation area 132 may be integrally formed elastic structures, and the middle portion of the damping member 15 is provided with a groove, so that two ends of the groove are respectively located in the two accommodation areas, and meanwhile, the damping member 15 is buckled on the eccentric ring 13.
Further, as shown in fig. 9, in order to improve the mounting reliability of the damping member 15, the side walls of the first accommodation region 131 and the second accommodation region 132 each have an accommodation groove 14 for clamping the damping member 15, and the damping member 15 is placed in the accommodation groove 14.
In each of the above embodiments, as shown in fig. 6, when the first damping element and the second damping element are both in a block structure, the oil guiding groove 151 is formed on the outer periphery thereof.
In this embodiment, the oil guiding groove 151 is provided on the outer periphery of the damping member 15, so that lubricating oil can be introduced into the angle adjusting device, thereby reducing abrasion during relative movement of each member, improving the service life of the angle adjusting device, and further reducing noise during operation of the angle adjusting device.
In addition, the invention also provides an electric seat, which comprises a seat and a chair back, wherein the seat and the chair back are connected through an angle adjusting device, and the angle between the seat and the chair back is changed through the angle adjusting device. Wherein the angle adjusting device is the angle adjusting device described in any of the embodiments. Because the angle adjusting device has the technical effects, the electric seat comprising the angle adjusting device also has corresponding technical effects, and the description thereof is omitted.
The above describes in detail the power seat and the angle adjusting device thereof provided by the invention. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. An angle adjusting device of an electric seat comprises an inner toothed plate (11) and an outer toothed plate (12) which are meshed with each other, wherein an eccentric cavity is formed between the inner toothed plate and the outer toothed plate, an eccentric ring (13) which fills up the forward eccentric area of the eccentric cavity is arranged in the eccentric cavity, the eccentric ring (13) is provided with a first accommodating area (131) and a second accommodating area (132) along the circumferential direction, and the angle adjusting device further comprises a driving part for driving the eccentric ring (13) to rotate; the device is characterized in that a damping component (15) is arranged in the first accommodating area (131) and/or the second accommodating area (132), and the damping component (15) is in a compressed state in the working process of the driving component;
the first accommodating area (131) is internally provided with a wedge block (2), and the driving part can drive the wedge block (2) or the eccentric ring (13) to further drive the eccentric ring (13) to rotate;
the angle adjusting device further comprises an elastic component for pressing the eccentric ring (13) and the wedge block (2);
the driving part comprises a first driving block (42) and a second driving block (43) which respectively extend into the first accommodating area (131) and the second accommodating area (132), and the two driving blocks are respectively provided with a driving working surface (44) and a non-driving working surface (45);
the damping component comprises a first damping element and a second damping element which are respectively arranged in the first accommodating area (131) and the second accommodating area (132), one end of each damping element is propped against the non-driving working surface (45) corresponding to the driving block, and the other end of each damping element is propped against the side wall corresponding to the accommodating area.
2. The angle adjustment device according to claim 1, characterized in that the first drive block (42) and the first damping element fill the first receiving area (131), and the second drive block (43) and the second damping element fill the second receiving area (132).
3. The angle adjustment device of claim 1, wherein the first damping element and the second damping element are of a split construction.
4. An angle adjustment device according to claim 3, characterized in that the first damping element and the second damping element are rubber blocks or springs.
5. The angle adjusting device according to claim 1, wherein the damping component is an integrally formed elastic structure and is provided with a groove, the groove is clamped with the eccentric ring (13), and two sides of the groove are respectively provided with the first damping element and the second damping element.
6. The angle adjustment device according to claim 1, characterized in that the side walls of the first receiving area (131) and the second receiving area (132) each have a receiving groove (14) for a snap-fit connection to the damping element.
7. The angle adjusting device according to claim 1, wherein the first damping element and the second damping element are both of a block-shaped structure, and an oil guiding groove (151) is opened at the outer periphery thereof.
8. An electric chair comprising a chair seat and a chair back which are connected by an angle adjusting device, wherein the angle adjusting device is as claimed in any one of claims 1 to 7.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321068.XA CN107933383B (en) | 2017-12-12 | 2017-12-12 | Electric seat and angle adjusting device thereof |
| BR112020011282-8A BR112020011282B1 (en) | 2017-12-12 | 2018-08-03 | ELECTRIC SEAT AND SAME ANGLE ADJUSTMENT DEVICE |
| PCT/CN2018/098498 WO2019114286A1 (en) | 2017-12-12 | 2018-08-03 | Electric seat and angle adjustment device thereof |
| JP2020544086A JP7046206B2 (en) | 2017-12-12 | 2018-08-03 | Electric seat and its angle adjustment device |
| EP18887742.7A EP3725587B1 (en) | 2017-12-12 | 2018-08-03 | Electric seat and angle adjustment device thereof |
| US16/767,547 US11312266B2 (en) | 2017-12-12 | 2018-08-03 | Electric seat and angle adjustment device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321068.XA CN107933383B (en) | 2017-12-12 | 2017-12-12 | Electric seat and angle adjusting device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107933383A CN107933383A (en) | 2018-04-20 |
| CN107933383B true CN107933383B (en) | 2023-09-12 |
Family
ID=61942811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711321068.XA Active CN107933383B (en) | 2017-12-12 | 2017-12-12 | Electric seat and angle adjusting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107933383B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3725587B1 (en) * | 2017-12-12 | 2023-01-04 | Hubei Aviation Precision Machinery Technology Co., Ltd. | Electric seat and angle adjustment device thereof |
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