CN114801911B - Seat angle adjuster with memory adjusting function and using method thereof - Google Patents
Seat angle adjuster with memory adjusting function and using method thereof Download PDFInfo
- Publication number
- CN114801911B CN114801911B CN202210529553.0A CN202210529553A CN114801911B CN 114801911 B CN114801911 B CN 114801911B CN 202210529553 A CN202210529553 A CN 202210529553A CN 114801911 B CN114801911 B CN 114801911B
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- angle
- limiting block
- chair back
- memory
- locking
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- 230000006870 function Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000009711 regulatory function Effects 0.000 claims 1
- 230000006386 memory function Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 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
- B60N2/2245—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 provided with a lock mechanism on the upper part of the back-rest
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- 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 aims to provide a seat angle adjuster with a memory adjusting function and a use method thereof, wherein the angle adjuster comprises a seat connecting plate (2), a main shaft (4) and an annular gear (6) which are fixedly arranged on the seat connecting plate (2), a seat back connecting plate (1) which is sleeved on the main shaft (4) in an empty mode, a resetting piece (5) for providing resetting force for the seat back connecting plate (1), and an adjusting mechanism, a locking mechanism and a memory mechanism which are arranged in the annular gear (6). The angle adjuster has the functions of adjusting the angle of the chair back, memorizing and adjusting the angle of the chair back, can adjust and lock the angle of the chair back, can ensure that the adjusting angle of the chair back does not exceed the memorizing angle of the chair back, and can adjust the memorizing angle, and the operation is simple, convenient and reliable.
Description
Technical Field
The invention relates to seat angle adjustment, in particular to a seat angle adjuster with a memory adjustment function and a use method thereof.
Background
The angle adjuster is a device which is arranged on a seat and realizes the adjustment of the angle of the backrest of the seat. For the existing regulator, the regulator has no memory function, once the angle regulator is adjusted, the original comfort angle is required to be recovered, the regulator cannot be recovered once after multiple trial adjustments, and great inconvenience is brought to use; or only a fixed reset angle can be set, the angle adjuster can only recover to the fixed angle after being adjusted, and the required memory position cannot be set.
Disclosure of Invention
The invention aims to provide a seat angle adjuster with a memory adjusting function and a use method thereof, wherein the angle adjuster has the functions of adjusting the angle of a seat back, memorizing and adjusting the angle of the seat back, can adjust and lock the angle of the seat back, can ensure that the adjusting angle of the seat back does not exceed the memorizing angle of the seat back, and can adjust the memorizing angle, and the operation is simple, convenient and reliable.
The technical scheme adopted by the invention is as follows:
A seat angle adjuster with a memory adjusting function comprises a seat connecting plate (2), a main shaft (4) and an annular gear (6) which are fixedly arranged on the seat connecting plate (2), a seat back connecting plate (1) which is sleeved on the main shaft (4), a resetting piece (5) which provides resetting force for the seat back connecting plate (1), and an adjusting mechanism, a locking mechanism and a memory mechanism which are positioned in the annular gear (6);
The adjusting mechanism comprises a guide ring (11) and an operating ring (12) which are sleeved on the main shaft (4), and an adjusting handle (3) arranged on the operating ring (12), wherein the guide ring (11) is in sliding fit with a spiral rail (14) on the outer circle of the main shaft (4), a circumferential groove (13) with two inclined planes is arranged on the outer circle of the guide ring (11), the operating ring (12) is synchronously and rotatably connected with the guide ring (11) and is axially unfixed, and the adjusting handle (3) drives the guide ring (11) to axially switch positions through the operating ring (12) when being operated up and down;
The locking mechanism comprises at least two locking blocks (9) distributed around the main shaft (4), the locking blocks (9) are connected through elastic pieces (10) to form a ring, the side parts of the locking blocks (9) are radially and slidably connected with the chair back connecting plate (1), inclined surfaces matched with the inclined surfaces on one side of the circumferential groove (13) are arranged at the near axis ends, and engaging teeth matched with the inner wall of the inner gear ring (6) are arranged at the far axis ends;
the memory mechanism comprises a mounting ring (7) sleeved on the main shaft (4) with a certain friction force, a rotating shaft (16) arranged on the mounting ring (7), a limiting block (8) rotatably arranged on the rotating shaft (16), and a torsion spring acting between the rotating shaft (16) and the limiting block (8), wherein the near axial end of the limiting block (8) is provided with an inclined plane matched with the inclined plane at the other side of the circumferential groove (13), and the far axial end is provided with a meshing tooth matched with the inner wall of the annular gear (6);
When the guide ring (11) is positioned at the middle movable adjusting position, inclined planes at two sides of the circumferential groove (13) are not attached to inclined planes at the near axial end of the extrusion locking block (9) and the limiting block (8), the far axial end of the locking block (9) is separated from the inner wall of the annular gear (6) under the action of the elastic piece (10), and the front part of the limiting block (8) is tilted to be meshed with the inner wall of the annular gear (6) under the action of the torsion spring, and the rear part of the limiting block is used for blocking the locking block (9);
When the guide ring (11) is positioned at a locking position at one end, one side inclined plane of the circumferential groove (13) is attached to an inclined plane of a near-axis end of the extrusion locking block (9), the other side inclined plane is not attached to an inclined plane of a near-axis end of the extrusion limiting block (8), the locking block (9) overcomes the force of the elastic piece (10) and is meshed with the inner wall of the annular gear (6) at the far-axis end, and the front part of the limiting block (8) is tilted to be meshed with the inner wall of the annular gear (6) under the action of the torsion spring;
When the guide ring (11) is positioned at the memory adjusting position of the other end, one side inclined plane of the circumferential groove (13) is not attached to the inclined plane of the near-axis end of the extrusion locking block (9), the other side inclined plane is attached to the rear part of the inclined plane of the near-axis end of the extrusion limiting block (8), the far-axis end of the locking block (9) is separated from the inner wall of the annular gear (6) under the action of the elastic piece (10), and the limiting block (8) overcomes the force of the torsion spring to separate the front skirt from the inner wall of the annular gear (6).
Further, the reset piece (5) adopts a scroll spring which is sleeved on the main shaft (4) and the inner end of which is fixed with the main shaft (4) and the outer end of which is fixedly connected with the chair back connecting plate (1).
Further, a protective cover (15) is arranged at one end of the main shaft (4), and the scroll spring (5) is covered by the protective cover (15).
Further, one end of the guide ring (11) is provided with an open cavity, a part of the outer circle is provided with a notch (17), the control ring (12) is positioned in the open cavity, and the adjusting handle (3) extends out of the notch (17).
Further, at least two axial synchronizing shafts (18) are arranged on the control ring (12), the synchronizing shafts (18) are matched and inserted into corresponding axial holes on the guide ring (11), and an expansion part for preventing the synchronizing shafts (18) from being separated from the axial holes is arranged at the end part of the synchronizing shafts.
Further, the elastic piece (10) adopts an elastic steel hoop, and the locking block (9) is arranged on the whole circle of the elastic steel hoop or is connected by the segmented elastic steel hoop.
Further, two locking blocks (9) are adopted and are symmetrically arranged around the axis.
Further, the limiting block (8) is rotatably arranged on the rotating shaft (16) at an eccentric position, the front part of the rotating point of the limiting block (8) is a large part, the rear part is a small part, and the torsion spring always applies upward force to the front part.
The using method of the seat angle adjuster with the memory adjusting function comprises the following steps:
When the angle of the chair back needs to be movably adjusted, the adjusting handle (3) is operated to enable the guide ring (11) to be in a middle movable adjusting position, in this state, the locking block (9) is unlocked with the annular gear (6), the limiting block (8) is fixed with the annular gear (6), a user overcomes the force of the resetting piece (5) to adjust the angle of the chair back, the locking block (9) rotates around the axis along with the force of the resetting piece, because the angle of the limiting block (8) is the memory angle of the chair back, the locking block (9) can be blocked when contacting the limiting block (8), even if the locking block (9) impacts the limiting block (8) from the rear part, the front part of the limiting block (8) is more lifted and the annular gear (6) is more fixed, and the locking block cannot be unlocked due to the impact, and therefore the adjusting angle of the chair back cannot exceed the memory angle of the chair back;
When the angle of the chair back is adjusted and needs to be locked, the adjusting handle (3) is operated to enable the guide ring (11) to be at a locking position at one end, in this state, the locking block (9) and the limiting block (8) are both fixed with the annular gear (6), the locking block (9) cannot rotate around the axle center, and the chair back is locked;
When the memory angle of the chair back needs to be adjusted, the adjusting handle (3) is operated to enable the guide ring (11) to be located at the memory adjusting position at the other end, in this state, the locking block (9) and the limiting block (8) are unlocked with the annular gear (6), a user applies force to adjust the angle of the chair back, the locking block (9) rotates around the axis along with the angle and pushes the limiting block (8) to change the position, and then the memory angle of the chair back is changed.
The beneficial effects of the invention are as follows:
The angle adjuster has the functions of adjusting the angle of the chair back, memorizing and adjusting the angle of the chair back, can adjust and lock the angle of the chair back, can ensure that the adjusting angle of the chair back does not exceed the memorizing angle of the chair back, and can adjust the memorizing angle, and the operation is simple, convenient and reliable.
Drawings
Fig. 1 is a front cross-sectional view of a recliner for a seat having a memory function in an embodiment of the present invention.
Fig. 2 is a side cross-sectional view of a recliner for a seat having a memory function in an embodiment of the present invention.
Fig. 3 is a schematic structural view (exploded state) of an adjusting mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic view of the installation of the spindle and the reset element in an embodiment of the present invention.
FIG. 5 is a schematic view of the positions of the spindle, the lock block and the elastic member according to an embodiment of the present invention.
In the figure: 1-a chair back connecting plate; 2-a seat connecting plate; 3-adjusting the handle; 4-a main shaft; 5-a reset piece; 6-an inner gear ring; 7-mounting a ring; 8-limiting blocks; 9-locking blocks; 10-elastic members; 11-a guide ring; 12-a control ring; 13-a circumferential groove; 14-spiral track; 15-protecting cover; 16-rotating shaft; 17-notch; 18-synchronizing shaft.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 5, a seat angle adjuster with a memory adjusting function comprises a seat connecting plate 2, a main shaft 4 and an inner gear ring 6 which are fixedly arranged on the seat connecting plate 2, a seat back connecting plate 1 which is sleeved on the main shaft 4 in an empty mode, a resetting piece 5 for providing resetting force for the seat back connecting plate 1, and an adjusting mechanism, a locking mechanism and a memory mechanism which are arranged in the inner gear ring 6.
As shown in fig. 1 to 3, the adjusting mechanism comprises a guide ring 11 sleeved on the main shaft 4, an operating ring 12 and an adjusting handle 3 arranged on the operating ring 12, the guide ring 11 is in sliding fit with a spiral rail 14 on the outer circle of the main shaft 4, a circumferential groove 13 with two inclined planes is arranged on the outer circle of the guide ring 11, the operating ring 12 is synchronously and rotatably connected with the guide ring 11, the axial direction is not fixed, and the adjusting handle 3 drives the guide ring 11 to axially switch positions through the operating ring 12 when being operated up and down.
As shown in fig. 1, 2 and 5, the locking mechanism comprises at least two locking blocks 9 distributed around the main shaft 4, the locking blocks 9 are connected through elastic members 10 to form a ring, the side parts of the locking blocks 9 are radially and slidably connected with the chair back connecting plate 1, inclined surfaces matched with the inclined surfaces on one side of the circumferential groove 13 are arranged at the near axial center end, and engaging teeth matched with the inner wall of the inner gear ring 6 are arranged at the far axial center end.
As shown in fig. 1 and 2, the memory mechanism comprises a mounting ring 7 sleeved on the main shaft 4 with a certain friction force, a rotating shaft 16 arranged on the mounting ring 7, a limiting block 8 rotatably arranged on the rotating shaft 16, and a torsion spring acting between the rotating shaft 16 and the limiting block 8, wherein the near axial end of the limiting block 8 is provided with an inclined plane matched with the inclined plane on the other side of the circumferential groove 13, and the far axial end is provided with a meshing tooth matched with the inner wall of the annular gear 6.
As shown in fig. 2, when the guide ring 11 is in the middle movable adjusting position, the inclined planes at two sides of the circumferential groove 13 are not attached to the inclined planes at the near axial ends of the extrusion locking block 9 and the limiting block 8, the far axial end of the locking block 9 is separated from the inner wall of the annular gear 6 under the action of the elastic piece 10, and the front part of the limiting block 8 is tilted to be meshed with the inner wall of the annular gear 6 under the action of the torsion spring, and the rear part of the limiting block is used for blocking the locking block 9; when the guide ring 11 is positioned at the locking position at one end, one side inclined plane of the circumferential groove 13 is attached to the inclined plane of the near-axis end of the extrusion locking block 9, the other side inclined plane is not attached to the inclined plane of the near-axis end of the extrusion limiting block 8, the locking block 9 overcomes the force of the elastic piece 10 and is engaged with the inner wall of the annular gear 6 at the far-axis end, and the front part of the limiting block 8 is tilted to be engaged with the inner wall of the annular gear 6 under the action of the torsion spring; when the guide ring 11 is positioned at the memory adjusting position of the other end, one side inclined plane of the circumferential groove 13 is not attached to the inclined plane of the near-axis end of the extrusion locking block 9, the other side inclined plane is attached to the rear part of the inclined plane of the near-axis end of the extrusion limiting block 8, the far-axis end of the locking block 9 is separated from the inner wall of the inner gear ring 6 under the action of the elastic piece 10, and the limiting block 8 overcomes the force of the torsion spring to separate the front skirt from the inner wall of the inner gear ring 6.
In the present embodiment, as shown in fig. 2 and 4, the restoring member 5 is a spiral spring, which is sleeved on the main shaft 4, and has an inner end fixed to the main shaft 4 and an outer end fixed to the back coupling plate 1. As shown in fig. 2, in the present embodiment, a protective cover 15 is mounted on one end of the main shaft 4, and the protective cover 15 covers the spiral spring 5.
In this embodiment, as shown in fig. 3, one end of the guide ring 11 is provided with an open cavity, a partial outer circle is provided with a notch 17, the control ring 12 is positioned in the open cavity, and the adjustment handle 3 extends from the notch 17.
As shown in fig. 2 and 3, in this embodiment, at least two axial synchronizing shafts 18 are provided on the control ring 12, the synchronizing shafts 18 are inserted into corresponding axial holes on the guide ring 11 in a matching manner, and an enlarged portion for preventing the synchronizing shafts 18 from being removed from the axial holes is provided at the end portion.
In this embodiment, as shown in fig. 5, the elastic member 10 is an elastic band, and the locking block 9 is mounted on the elastic band for a whole circle or connected by a segmented elastic band.
As shown in fig. 1 and 5, in the present embodiment, two lock blocks 9 may be employed, which are symmetrically arranged about the axis.
In the present embodiment, as shown in fig. 1, the stopper 8 is rotatably mounted on the rotating shaft 16 at an eccentric position, the front portion of the rotation point of the stopper 8 is a large portion, the rear portion is a small portion, and the torsion spring always applies an upward tilting force to the front portion.
The using method of the seat angle adjuster with the memory adjusting function comprises the following steps:
When the angle of the chair back needs to be movably adjusted, the adjusting handle 3 is operated to enable the guide ring 11 to be in a middle movable adjusting position, in this state, the locking block 9 is unlocked with the annular gear 6, the limiting block 8 is fixed with the annular gear 6, a user overcomes the force of the resetting piece 5 to adjust the angle of the chair back, the locking block 9 rotates around the axis along with the angle, and the angle of the limiting block 8 is the memory angle of the chair back, so that the locking block 9 is blocked when contacting the limiting block 8, even if the locking block 9 impacts the limiting block 8 from the rear, the front part of the limiting block 8 is only tilted more and fixed with the annular gear 6, and the locking block is not unlocked due to the impact, so that the adjusting angle of the chair back cannot exceed the memory angle of the chair back;
when the angle of the chair back is adjusted and needs to be locked, the adjusting handle 3 is operated to enable the guide ring 11 to be at a locking position at one end, in this state, the locking block 9 and the limiting block 8 are both fixed with the annular gear 6, the locking block 9 cannot rotate around the axis, and the chair back is locked;
When the memory angle of the chair back needs to be adjusted, the adjusting handle 3 is operated to enable the guide ring 11 to be in the memory adjusting position at the other end, in this state, the locking block 9 and the limiting block 8 are unlocked with the inner gear ring 6, a user applies force to adjust the angle of the chair back, the locking block 9 rotates around the axis along with the angle, and the limiting block 8 is pushed to change the position, so that the memory angle of the chair back is changed.
The angle adjuster has the functions of adjusting the angle of the chair back, memorizing and adjusting the angle of the chair back, can adjust and lock the angle of the chair back, can ensure that the adjusting angle of the chair back does not exceed the memorizing angle of the chair back, and can adjust the memorizing angle, and the operation is simple, convenient and reliable.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (9)
1. A seat angle modulation ware with memory regulatory function, its characterized in that: comprises a chair seat connecting plate (2), a main shaft (4) and an inner gear ring (6) which are fixedly arranged on the chair seat connecting plate (2), a chair back connecting plate (1) which is sleeved on the main shaft (4), a resetting piece (5) which provides resetting force for the chair back connecting plate (1), and an adjusting mechanism, a locking mechanism and a memory mechanism which are positioned in the inner gear ring (6);
The adjusting mechanism comprises a guide ring (11) and an operating ring (12) which are sleeved on the main shaft (4), and an adjusting handle (3) arranged on the operating ring (12), wherein the guide ring (11) is in sliding fit with a spiral rail (14) on the outer circle of the main shaft (4), a circumferential groove (13) with two inclined planes is arranged on the outer circle of the guide ring (11), the operating ring (12) is synchronously and rotatably connected with the guide ring (11) and is axially unfixed, and the adjusting handle (3) drives the guide ring (11) to axially switch positions through the operating ring (12) when being operated up and down;
The locking mechanism comprises at least two locking blocks (9) distributed around the main shaft (4), the locking blocks (9) are connected through elastic pieces (10) to form a ring, the side parts of the locking blocks (9) are radially and slidably connected with the chair back connecting plate (1), inclined surfaces matched with the inclined surfaces on one side of the circumferential groove (13) are arranged at the near axis ends, and engaging teeth matched with the inner wall of the inner gear ring (6) are arranged at the far axis ends;
the memory mechanism comprises a mounting ring (7) sleeved on the main shaft (4) with a certain friction force, a rotating shaft (16) arranged on the mounting ring (7), a limiting block (8) rotatably arranged on the rotating shaft (16), and a torsion spring acting between the rotating shaft (16) and the limiting block (8), wherein the near axial end of the limiting block (8) is provided with an inclined plane matched with the inclined plane at the other side of the circumferential groove (13), and the far axial end is provided with a meshing tooth matched with the inner wall of the annular gear (6);
When the guide ring (11) is positioned at the middle movable adjusting position, inclined planes at two sides of the circumferential groove (13) are not attached to inclined planes at the near axial end of the extrusion locking block (9) and the limiting block (8), the far axial end of the locking block (9) is separated from the inner wall of the annular gear (6) under the action of the elastic piece (10), and the front part of the limiting block (8) is tilted to be meshed with the inner wall of the annular gear (6) under the action of the torsion spring, and the rear part of the limiting block is used for blocking the locking block (9);
When the guide ring (11) is positioned at a locking position at one end, one side inclined plane of the circumferential groove (13) is attached to an inclined plane of a near-axis end of the extrusion locking block (9), the other side inclined plane is not attached to an inclined plane of a near-axis end of the extrusion limiting block (8), the locking block (9) overcomes the force of the elastic piece (10) and is meshed with the inner wall of the annular gear (6) at the far-axis end, and the front part of the limiting block (8) is tilted to be meshed with the inner wall of the annular gear (6) under the action of the torsion spring;
When the guide ring (11) is positioned at the memory adjusting position of the other end, one side inclined plane of the circumferential groove (13) is not attached to the inclined plane of the near-axis end of the extrusion locking block (9), the other side inclined plane is attached to the rear part of the inclined plane of the near-axis end of the extrusion limiting block (8), the far-axis end of the locking block (9) is separated from the inner wall of the annular gear (6) under the action of the elastic piece (10), and the limiting block (8) overcomes the force of the torsion spring to separate the front skirt from the inner wall of the annular gear (6).
2. The seat recliner with memory adjustment function of claim 1 wherein: the reset piece (5) adopts a scroll spring which is sleeved on the main shaft (4) and the inner end of which is fixed with the main shaft (4) and the outer end of which is fixedly connected with the chair back connecting plate (1).
3. The seat recliner with memory adjustment function of claim 2 wherein: one end of the main shaft (4) is provided with a protective cover (15), and the protective cover (15) covers the scroll spring (5) inside.
4. The seat recliner with memory adjustment function of claim 1 wherein: one end of the guide ring (11) is provided with an open cavity, a local excircle is provided with a notch (17), the control ring (12) is positioned in the open cavity, and the adjusting handle (3) extends out of the notch (17).
5. The seat recliner with memory adjustment function of claim 1 wherein: at least two axial synchronizing shafts (18) are arranged on the control ring (12), the synchronizing shafts (18) are matched and inserted into corresponding axial holes on the guide ring (11), and the end parts of the synchronizing shafts (18) are provided with expansion parts for preventing the synchronizing shafts from falling out of the axial holes.
6. The seat recliner with memory adjustment function of claim 1 wherein: the elastic piece (10) adopts an elastic steel hoop, and the locking block (9) is arranged on the whole circle of the elastic steel hoop or is connected by the segmented elastic steel hoop.
7. The seat recliner with memory adjustment function of claim 1 wherein: two locking blocks (9) are adopted and are symmetrically arranged about the axis.
8. The seat recliner with memory adjustment function of claim 1 wherein: the limiting block (8) is rotatably arranged on the rotating shaft (16) at an eccentric position, the front part of the rotating point of the limiting block (8) is a large part, the rear part is a small part, and the torsion spring always applies upwarping force to the front part.
9. The method of using a seat recliner with memory adjustment function as claimed in any one of claims 1 to 8, characterized in that:
When the angle of the chair back needs to be movably adjusted, the adjusting handle (3) is operated to enable the guide ring (11) to be in a middle movable adjusting position, in this state, the locking block (9) is unlocked with the annular gear (6), the limiting block (8) is fixed with the annular gear (6), a user overcomes the force of the resetting piece (5) to adjust the angle of the chair back, the locking block (9) rotates around the axis along with the force of the resetting piece, because the angle of the limiting block (8) is the memory angle of the chair back, the locking block (9) can be blocked when contacting the limiting block (8), even if the locking block (9) impacts the limiting block (8) from the rear part, the front part of the limiting block (8) is more lifted and the annular gear (6) is more fixed, and the locking block cannot be unlocked due to the impact, and therefore the adjusting angle of the chair back cannot exceed the memory angle of the chair back;
When the angle of the chair back is adjusted and needs to be locked, the adjusting handle (3) is operated to enable the guide ring (11) to be at a locking position at one end, in this state, the locking block (9) and the limiting block (8) are both fixed with the annular gear (6), the locking block (9) cannot rotate around the axle center, and the chair back is locked;
When the memory angle of the chair back needs to be adjusted, the adjusting handle (3) is operated to enable the guide ring (11) to be located at the memory adjusting position at the other end, in this state, the locking block (9) and the limiting block (8) are unlocked with the annular gear (6), a user applies force to adjust the angle of the chair back, the locking block (9) rotates around the axis along with the angle and pushes the limiting block (8) to change the position, and then the memory angle of the chair back is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210529553.0A CN114801911B (en) | 2022-05-16 | 2022-05-16 | Seat angle adjuster with memory adjusting function and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210529553.0A CN114801911B (en) | 2022-05-16 | 2022-05-16 | Seat angle adjuster with memory adjusting function and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114801911A CN114801911A (en) | 2022-07-29 |
| CN114801911B true CN114801911B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210529553.0A Active CN114801911B (en) | 2022-05-16 | 2022-05-16 | Seat angle adjuster with memory adjusting function and using method thereof |
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| CN (1) | CN114801911B (en) |
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| CN113212267A (en) * | 2021-05-28 | 2021-08-06 | 延锋安道拓座椅有限公司 | Stop point return folder |
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|---|---|---|---|---|
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