CN211995266U - Locking mechanism of manual height-adjusting device of automobile seat - Google Patents
Locking mechanism of manual height-adjusting device of automobile seat Download PDFInfo
- Publication number
- CN211995266U CN211995266U CN202020088858.9U CN202020088858U CN211995266U CN 211995266 U CN211995266 U CN 211995266U CN 202020088858 U CN202020088858 U CN 202020088858U CN 211995266 U CN211995266 U CN 211995266U
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- locking
- fluted disc
- locking plate
- brake
- adjusting device
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The utility model provides a manual height-adjusting device locking mechanism of car seat, the height-adjusting device is equipped with brake part and handle driving-disc, and brake part is equipped with the brake axle, and locking mechanism includes: the locking fluted disc penetrates through the brake shaft and is installed on the handle driving disc, and an annular boss is arranged on the upper surface of the locking fluted disc; the locking plate is arranged on the locking fluted disc, a kidney-shaped hole is formed in the locking fluted disc, the annular boss on the locking fluted disc is arranged in the kidney-shaped hole in a relatively sliding mode, a cylindrical pin protruding downwards is arranged on one side of the lower surface of the locking plate, and the cylindrical pin is embedded in a cam sliding groove of the handle driving disc in a sliding mode; partial gear ring features are arranged on the lower surface of the locking plate and between the cam and the kidney-shaped hole, and when the cylindrical pin on the locking plate moves from the cam sliding groove to the far end of the brake shaft to the near end of the brake shaft, the locking fluted disc is meshed with the partial gear ring features. The utility model discloses well multiple tooth groove meshes simultaneously and can provide enough big locking moment of torsion, can solve the manual height-adjusting device of seat around hit the insecure problem of auto-lock.
Description
Technical Field
The utility model belongs to car seat driving medium design technique is a novel manual height-adjusting of car seat device locking mechanism.
Background
The product locking dish of the manual height-adjusting of car seat on the existing market is stepped to be locked, and the locking dish rotates for electrodeless rotation, and current manual height-adjusting device itself has certain reverse locking ability, nevertheless hits the experiment after the harshness, and certain locking ability can't overcome the back drive moment of torsion that comes from the skeleton, hits the experiment after under the lock condition still can be reverse with locking jack catch jack-up unblock inefficacy that makes progress.
SUMMERY OF THE UTILITY MODEL
The utility model provides a manual device locking mechanism that increases of car seat, the manual device that increases of car seat is provided with brake part and handle drive dish, brake part is provided with and passes the braking axle of handle drive dish, and the upper surface of brake part is provided with the direction boss, locking mechanism including:
the locking fluted disc penetrates through the brake shaft and is installed on the upper surface of the handle driving disc, and an annular boss is coaxially arranged on the upper surface of the locking fluted disc;
the locking plate is arranged on the upper surface of the locking fluted disc, the locking plate is provided with a waist-shaped hole, the annular boss is arranged in the waist-shaped hole in a sliding manner, the upper surface of the locking plate is provided with a limiting block which is connected with the braking shaft so as to tightly press the locking plate on the upper surface of the locking fluted disc,
a cylindrical pin protruding downwards is arranged on one side of the lower surface of the locking plate, a cam sliding groove is arranged on the handle driving disc, and the cylindrical pin is slidably embedded in the cam sliding groove;
a gear ring is arranged on the lower surface of the locking plate and between the cylindrical pin and the kidney-shaped hole, and when the cylindrical pin on the locking plate moves from the cam chute to the far end of the brake shaft to the near end of the brake shaft, the locking fluted disc is meshed with the gear ring;
the locking plate is provided with a guide hole, the handle driving disc is provided with a fan-shaped sliding groove, and a guide boss of the braking part penetrates through the fan-shaped sliding groove and is embedded into the guide hole.
Furthermore, both sides of the upper surface of the brake component are provided with guide bosses, both sides of the handle driving disc are provided with fan-shaped chutes for the guide bosses to circumferentially slide by taking the brake shaft as a center, the locking plate is provided with two guide holes positioned on both sides of the waist-shaped hole, one of the guide holes is arranged between the cylindrical pin and the gear ring, and the other guide hole is arranged on the other side of the locking plate.
Furthermore, the cam chute is a section of arc-shaped groove which takes the brake shaft as an axis to draw a circle, a pit which is sunken towards the direction of the brake shaft is arranged at the center of the arc-shaped groove, and the cylindrical pin in a locking state is embedded into the pit to form a cam dead point.
Furthermore, the handle driving disc and the connecting cover plate are provided with clamping feet on the other side of the cam sliding groove, a return torsion spring is arranged on the braking component, and two bottom feet of the return torsion spring are connected with the clamping feet of the handle driving disc and the braking component respectively.
Further, a fixed connecting part for fixing the rotating handle is arranged on the handle driving disk.
Furthermore, the locking plate is a long-strip-shaped locking plate, and the length direction of the waist-shaped hole is the same as that of the long-strip-shaped locking plate.
Furthermore, the upper end of the brake shaft, the inner hole of the limiting block and the annular boss of the locking fluted disc are welded into a whole.
Furthermore, the outer diameter of the annular boss is equivalent to the width of the waist-shaped hole, but a small gap capable of ensuring relative sliding exists.
The utility model provides a mechanism can solve on the existing market car seat manual back heightening device and hit often unable locking in the experiment impact in the front and back, sits basin, the manual device output pinion reversal of heightening of pinion rack back drive and leads to the problem that the seat sinks inefficacy, uses safe and reliable more in the car seat, and the structure change to current car seat manual back heightening device is little simultaneously, and the popularization cost is lower, has better economic benefits.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is an assembled view of a locking mechanism of a manual height-adjusting device for an automobile seat according to the present invention;
2-3 are exploded views of the assembly of the locking mechanism of the manual height-adjusting device of the automobile seat;
FIG. 4 is a schematic view showing the engagement of the guide projection of the brake member into the guide hole in the locking plate;
FIGS. 5-6 illustrate a rear engagement view and a front engagement view of the locking plate and locking chainring;
FIGS. 7-8 show back and front mating views of the locking tab and handle drive disk;
FIGS. 9-10 illustrate exploded views of the assembly of the stop block, locking plate, locking cog and shaft at two angles;
11a-11c show a back view of the manual height-adjusting device locking mechanism of the present invention in a locked state, a clockwise unlocked state and a counterclockwise unlocked state;
12a-12c show front views of the manual height adjuster locking mechanism of the present invention in a locked down position, an unlocked counterclockwise position and an unlocked clockwise position;
FIG. 13 is a schematic view of the locking plate and the locking fluted disc in locking engagement;
FIG. 14 is a schematic view of the locking plate and the locking toothed disc being disengaged.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.
In order to thoroughly understand the present invention, detailed steps and detailed structures will be provided in the following description so as to explain the technical solution of the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.
The utility model provides a manual device locking mechanism that increases of car seat, as shown in fig. 1-10, the manual device that increases of car seat is provided with brake block 7 and handle driving dish 5, is provided with the brake axle 4 that passes handle driving dish 5 on the brake block 7 to and the upper surface of brake block 7 is provided with direction boss 71. The locking mechanism mainly comprises a locking fluted disc 3, a braking component 7 and a locking plate 2.
As shown in fig. 6 and 9-10, the locking toothed disc 3 passes through the brake shaft 4 and is mounted on the upper surface of the handle driving disc 5, and an annular boss 31 is coaxially provided on the upper surface of the locking toothed disc 3.
As shown in fig. 5-6 and fig. 9-10, the locking plate 2 is mounted on the upper surface of the locking fluted disc 3, the locking plate 2 is provided with a slotted hole 21, the annular boss 31 on the locking fluted disc 3 is disposed in the slotted hole 21 and can relatively slide along the length direction of the slotted hole 21, the upper surface of the locking plate 2 is provided with a limiting block 1 connected with the braking shaft 4 to lock the locking plate 2 on the upper surface of the locking fluted disc 3,
a cylindrical pin 25 protruding downwards is arranged on one side of the lower surface of the locking plate 2, a cam sliding groove 52 is arranged on the handle driving disc 5, and the cylindrical pin 25 can be slidably embedded in the cam sliding groove 52;
a gear ring 22 is arranged on the lower surface of the lock plate 2 and between the cylindrical pin 25 and the kidney-shaped hole 21, and when the cylindrical pin 25 on the lock plate moves from the far end of the cam chute 52 relative to the brake shaft 4 to the near end of the cam chute 52 relative to the brake shaft 4, the locking fluted disc 3 is meshed with the gear ring 22;
the lock plate 2 is provided with a second guide hole 23 and a first guide hole 24, the handle driving disc 5 is provided with a fan-shaped sliding groove 51, and the guide boss 71 of the brake component 7 penetrates through the fan-shaped sliding groove 51 and is embedded into the first guide hole 24 and the second guide hole 23.
The utility model provides a reliable locking mechanism of a manual height-adjusting device of an automobile seat, which controls the radial linear motion of a locking fluted disc 3 to achieve reliable unlocking and locking through a plane cam track (namely the matching of a kidney-shaped hole 21 and an annular boss 31) on a driving handle disc; in addition, be provided with the ring gear 22 that can mesh with locking fluted disc 3 external tooth at locking plate 2 lower surface, multiple tooth groove meshes simultaneously and jolts and hit the experiment after with in the vibration, provides enough big locking moment of torsion, can solve some car seat manual heightening device at present and hit the unreliable problem of auto-lock around.
Wherein, the stopper 1 center is equipped with the hole, and the upper end of brake shaft 4 welds with stopper 1 hole and the cyclic annular boss 31 of locking fluted disc 3 and assembles an organic whole to restriction locking plate 2 is along locking fluted disc 3 axial motion.
Furthermore, the outer diameter of the annular boss 31 corresponds to the width of the kidney-shaped hole 21, so that the locking toothed disc 3 and the locking plate 2 can only slide relative to each other in the longitudinal direction.
In an alternative embodiment of the present invention, the guiding bosses 71 are disposed on both sides of the upper surface of the braking component 7, the fan-shaped sliding slots 51 for allowing the guiding bosses 71 to circumferentially slide around the braking shaft 4 are disposed on both sides of the handle driving disk 5, two guiding holes are disposed on both sides of the waist-shaped hole 21 on the locking plate 2, the first guiding hole 24 is disposed between the cylindrical pin 25 and the gear ring 22, and the second guiding hole 23 is disposed on the other side of the locking plate 2, as shown in fig. 5. Note that the "one side" described above and below refers to a side with respect to the longitudinal direction of the waist-shaped hole 21.
In an optional embodiment of the present invention, the cam sliding groove 52 is a section of arc groove that uses the brake shaft 4 as an axis to draw a circle, and a concave pit 55 is provided at the center of the arc groove and is concave toward the direction of the brake shaft 4, and the cylindrical pin 25 is embedded into the concave pit 55 in the lock-down state. The locking plate 2 and the handle driving plate 5 are embedded in the cam sliding groove 52, and the cylindrical pin 25 slides along the cam curve.
In an optional embodiment of the present invention, the handle driving disk 5 and the braking component 7 are provided with a locking pin 53 for the other side of the cam sliding groove 52, the connecting cover plate 9 is provided with a return torsion spring 6, and two feet of the return torsion spring 6 are respectively connected to the handle driving disk 5, the locking pin 53 of the connecting cover plate, and the locking pin 91, so as to be used for resetting the handle driving disk 5.
In an alternative embodiment of the present invention, a connecting portion 54 for fixing the turning handle is provided on the handle driving disk 5, for connecting the handle driving disk 5 and the handle together.
In an alternative embodiment of the present invention, the locking plate 2 is a long-strip-shaped locking plate, and the length direction of the waist-shaped hole 21 is the same as the length direction of the long-strip-shaped locking plate.
Referring to fig. 11a-11c and 12a-12c, the unlocking principle and the lock-down principle of the present invention will be briefly described.
The utility model discloses an unblock principle does: the handle directly drives the handle driving disc 5, and there is more than four degrees idle strokes before the handle driving disc 5 drives the output gear shaft 8 to rotate, and during this period the cam chute 52 on the handle driving disc 5 drives the locking plate 2 to break away from the locking fluted disc 3 for unlocking, and the locking plate 2 can only move along the radial straight line of the rotating shaft of the locking fluted disc 3 due to the limitation of the assembly shell structure, and the unlocking stroke angle is two degrees and is less than the idle stroke.
The utility model discloses a lock principle does: when the handle is released, the handle driving disc 5 is reset under the action of the return torsion spring 6, the cam chute 52 on the handle driving disc 5 drives the locking plate 2 to reset and lock, the locking plate 2 can only do radial linear motion along the rotating shaft of the locking fluted disc 3 due to the limitation of the assembly shell structure, the pin on the locking plate 2 (matched with the cam chute 52 of the handle driving disc 5) is positioned at the valley bottom of the cam chute 52 to form a cam dead point (namely, a pit 55 position), so that enough locking plate 2 locking radial component force relative to the locking fluted disc 3 is provided for reversely driving the locking fluted disc 3 by the output fluted disc shaft 8 under the working conditions of rear collision and bumping vibration, the gear ring 22 on the lower surface of the locking plate 2 is kept to be meshed with the.
The above description is directed to the preferred embodiment of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; without departing from the scope of the invention, it is intended that the present invention shall not be limited to the above-described embodiments, but that the present invention shall include all the modifications and variations of the embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (8)
1. The utility model provides a manual device locking mechanism that increases of car seat, the manual device that increases of car seat is provided with brake part (7) and handle driving dish (5), brake part (7) are provided with and pass brake axle (4) of handle driving dish (5), and the upper surface of brake part (7) is provided with direction boss (71), its characterized in that, locking mechanism is including:
the locking fluted disc (3) penetrates through the brake shaft (4) and is installed on the upper surface of the handle driving disc (5), and an annular boss (31) is coaxially arranged on the upper surface of the locking fluted disc (3);
the locking plate (2) is installed on the upper surface of the locking fluted disc (3), the locking plate (2) is provided with a waist-shaped hole (21), the annular boss (31) on the locking fluted disc is arranged in the waist-shaped hole (21) in a relative sliding manner, the upper surface of the locking plate (2) is provided with a limiting block (1) which is connected with the braking shaft (4) so as to compress the locking plate (2) on the upper surface of the locking fluted disc (3),
a cylindrical pin (25) protruding downwards is arranged on one side of the lower surface of the locking plate (2), a cam sliding groove (52) is arranged on the handle driving disc (5), the cylindrical pin (25) is embedded in the cam sliding groove (52) in a sliding manner,
a gear ring (22) is arranged on the lower surface of the locking plate (2) and between the cylindrical pin (25) and the kidney-shaped hole (21), when the cylindrical pin (25) on the locking plate moves to the near end of the opposite braking shaft (4) from the far end of the opposite braking shaft (4) through the cam chute (52), the locking fluted disc (3) is meshed with the gear ring (22),
the locking plate (2) is provided with a guide hole, the handle driving disc (5) is provided with a fan-shaped sliding groove (51), and the guide boss (71) penetrates through the fan-shaped sliding groove (51) and is embedded into the guide hole.
2. The locking mechanism of manual height-adjusting device for car seat as claimed in claim 1, wherein said guiding bosses (71) are provided on both sides of the upper surface of said brake member (7), said handle driving disk (5) is provided with sector sliding slots (51) on both sides for said guiding bosses (71) to slide relatively circumferentially around said brake shaft (4), two guiding holes are provided on the lock plate (2) on both sides of said waist-shaped hole (21), the first guiding hole (24) is opened between said cylindrical pin (25) and said ring gear (22), and the second guiding hole (23) is opened on the other side of said lock plate (2).
3. The locking mechanism of manual height-adjusting device for car seat according to claim 1 or 2, characterized in that the cam sliding groove (52) is a segment of arc line groove which is drawn in a circle with the brake shaft (4) as the axis, and a concave pit (55) which is concave towards the brake shaft (4) is arranged at the center of the arc line groove, and the cylindrical pin (25) in the locking state is embedded into the concave pit (55) to form a cam dead point.
4. The locking mechanism of the manual height-adjusting device for the automobile seat as claimed in claim 1, wherein the handle driving disk (5) and the connecting cover plate (9) are provided with a clamping pin on the other side relative to the cam sliding groove (52), the braking component (7) is provided with a return torsion spring (6), and two feet of the return torsion spring (6) are respectively connected with the clamping pins of the handle driving disk (5) and the connecting cover plate (9).
5. The manual height-adjusting device locking mechanism of automobile seat as claimed in claim 1, characterized in that a connecting portion (54) for fixing a turning handle is provided on the handle driving disk (5).
6. The locking mechanism of manual height-adjusting device for car seat as claimed in claim 1, characterized in that the locking plate (2) is an elongated locking plate, and the length direction of the kidney-shaped hole (21) is the same as the length direction of the elongated locking plate.
7. The locking mechanism of the manual height-adjusting device of the automobile seat as claimed in claim 1, wherein the upper end of the brake shaft (4) is welded with the inner hole of the limiting block (1) and the annular boss (31) of the locking fluted disc (3) into a whole.
8. The manual height-adjusting device locking mechanism of an automobile seat as claimed in claim 1, characterized in that the outer diameter of the annular boss (31) is equivalent to the width of the kidney-shaped hole (21), and a slight gap capable of ensuring relative sliding exists.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088858.9U CN211995266U (en) | 2020-01-16 | 2020-01-16 | Locking mechanism of manual height-adjusting device of automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088858.9U CN211995266U (en) | 2020-01-16 | 2020-01-16 | Locking mechanism of manual height-adjusting device of automobile seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211995266U true CN211995266U (en) | 2020-11-24 |
Family
ID=73426594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020088858.9U Active CN211995266U (en) | 2020-01-16 | 2020-01-16 | Locking mechanism of manual height-adjusting device of automobile seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211995266U (en) |
-
2020
- 2020-01-16 CN CN202020088858.9U patent/CN211995266U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215500 No.69 Yinhai Road, Southeast street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Kaibo (Changshu) seat mechanical parts Co.,Ltd. Address before: 215500 No.69 Yinhai Road, Southeast street, Changshu City, Suzhou City, Jiangsu Province Patentee before: Yanfeng Andoto (Changshu) Seat Machinery Parts Co.,Ltd. |