CN210554330U - Automobile seat backrest adjusting mechanism - Google Patents
Automobile seat backrest adjusting mechanism Download PDFInfo
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- CN210554330U CN210554330U CN201921669882.5U CN201921669882U CN210554330U CN 210554330 U CN210554330 U CN 210554330U CN 201921669882 U CN201921669882 U CN 201921669882U CN 210554330 U CN210554330 U CN 210554330U
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- friction ring
- locking device
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- seat
- friction
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Abstract
The application discloses car seat back adjustment mechanism compares with prior art, includes: a seat rotating shaft rotating synchronously with the seat back; a friction wheel mounted on the seat rotating shaft; the locking device is arranged on the cushion framework and used for locking the friction wheel; the locking device includes: a locking device shell arranged on the cushion framework; a friction ring mounting seat mounted on the locking device shell; the elastic piece is arranged on the friction ring mounting seat; the friction ring is arranged on the friction ring mounting seat; the locking ring is arranged on the friction ring mounting seat and used for locking the friction ring on the friction ring mounting seat; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device. The application provides a car seat back adjustment mechanism, compare in prior art, it can realize arbitrary angle modulation to car seat back, and the passenger can be adjusted into arbitrary angle with the back according to self situation or user demand, and it is reliable to adjust the structure, and angle control range is big, is showing improvement passenger's comfort level.
Description
Technical Field
The application relates to the technical field of vehicle engineering, more specifically says, especially relates to a car seat back adjustment mechanism.
Background
The automobile seat needs to adapt to the riding requirements of passengers with different body conditions, an automobile driver has different requirements on the angle of the seat backrest when driving and having a rest, the angle of the seat backrest is adjusted according to different requirements of the passengers, the fatigue of the passengers can be reduced, the riding comfort is increased, and the current automobile seat has the angle adjusting function of the seat backrest so as to enable the passengers to have relatively more comfortable riding postures when riding.
However, in the prior art, the adjustment of the car seat basically utilizes the principle of mechanical engagement to adjust the angle of the backrest, and due to the complexity of the structure and the limitation of the structure, the true arbitrary angle adjustment cannot be achieved.
Therefore, how to provide an automobile seat backrest adjusting mechanism, which can achieve stepless adjustment of the backrest angle in the true sense and improve the comfort of passengers, has become a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the application provides a car seat back adjustment mechanism, and it can realize arbitrary angle modulation to car seat back, and the passenger can be according to self situation or user demand and adjust into arbitrary angle with the back, and it is reliable to adjust the structure, and angle control range is big, is showing the comfort level that improves the passenger.
The technical scheme provided by the application is as follows:
the application provides a car seat back adjustment mechanism includes: a seat rotating shaft rotating synchronously with the seat back; a friction wheel mounted on the seat rotating shaft; the locking device is arranged on the cushion framework and used for locking the friction wheel; the locking device includes: a locking device shell arranged on the cushion framework; a friction ring mounting seat mounted on the locking device shell; the elastic piece is arranged on the friction ring mounting seat; the friction ring is arranged on the friction ring mounting seat; the locking ring is arranged on the friction ring mounting seat and used for locking the friction ring on the friction ring mounting seat; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device.
Further, in a preferred mode of the present invention, the locking device further includes: the locking device shell is arranged on the cushion framework and specifically comprises: the locking device shell is fixedly connected with the cushion framework.
Further, in a preferred mode of the present invention, the adjusting mechanism includes: an opening cam mounted on the locking device housing; the opening deflector rod is connected with the opening cam; the opening pulling strip is connected with the opening pulling rod, and a pulling ring is arranged on one side, far away from the opening pulling rod, of the opening pulling strip.
Further, in a preferred embodiment of the present invention, the friction wheel is installed on the seat rotating shaft and specifically includes: the friction wheel is installed on the seat rotating shaft through a flat pin connection.
Further, in a preferred embodiment of the present invention, the periphery of the surface of the friction wheel is partitioned by a groove structure.
Further, in a preferred mode of the present invention, the locking device housing is provided with a limit post for preventing the locking of the opening angle.
Further, in a preferred embodiment of the present invention, the friction ring mounting seat is provided with a positioning groove matched with the friction ring.
Further, in a preferred mode of the present invention, the elastic member is a spring.
Further, in a preferred embodiment of the present invention, the friction ring is specifically disposed on the outer ring of the friction wheel.
Further, in a preferred mode of the present invention, the friction ring is specifically a rubber ring.
The utility model provides a pair of car seat back adjustment mechanism, compared with the prior art, include: a seat rotating shaft rotating synchronously with the seat back; a friction wheel mounted on the seat rotating shaft; the locking device is arranged on the cushion framework and used for locking the friction wheel; the locking device includes: a locking device shell arranged on the cushion framework; a friction ring mounting seat mounted on the locking device shell; the elastic piece is arranged on the friction ring mounting seat; the friction ring is arranged on the friction ring mounting seat; the locking ring is arranged on the friction ring mounting seat and used for locking the friction ring on the friction ring mounting seat; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device. This scheme is through utilizing locking adjustment mechanism control friction ring in order to realize the contact of friction ring and friction pulley and break away from, thereby realize the regulation and the locking function of seat back angle, with seat back angle from having the step regulation become stepless regulation, adapt to the user demand of various angles, compare in prior art, it can realize arbitrary angle modulation to car seat back, the passenger can be according to self situation or user demand with back regulation into arbitrary angle, it is reliable to adjust the structure, angle control range is big, show improvement passenger's comfort level.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall schematic view of an automobile seat back adjustment mechanism provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of an adjusting mechanism of a car seat back provided by an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
Referring to fig. 1 to 2, an adjusting mechanism for a seat back of a vehicle according to an embodiment of the present application includes: a seat rotating shaft 1 rotating synchronously with a seat back; a friction wheel 2 arranged on the seat rotating shaft 1; a locking device which is arranged on the cushion framework and is used for locking the friction wheel 2; the locking device includes: a locking device housing 7 mounted on the seat cushion frame; a friction ring mounting seat 3 mounted on the seat rotating shaft 1; an elastic member 4 mounted on the friction ring mounting seat 3; the friction ring 5 is arranged on the friction ring mounting seat 3; a locking ring 6 mounted on the friction ring mounting base 3 for locking the friction ring 5 on the friction ring mounting base 3; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device.
The embodiment of the utility model provides a car seat back adjustment mechanism specifically includes: with synchronous pivoted seat pivot 1 of backrest, install friction pulley 2 in the seat pivot 1, be equipped with the locking device who is used for locking friction pulley 2 on the cushion skeleton, wherein locking device includes: a locking device housing 7 mounted on the seat cushion frame; a friction ring mounting seat 3 mounted on the locking device shell; an elastic member 4 mounted on the friction ring mounting seat 3; the friction ring 5 is arranged on the friction ring mounting seat 3; a locking ring 6 mounted on the friction ring mounting base 3 for locking the friction ring 5 on the friction ring mounting base 3; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device. This scheme is through utilizing locking adjustment mechanism control friction ring 5 in order to realize the contact of friction ring 5 and friction pulley 2 and break away from, thereby realize the regulation and the locking function of seat back angle, become stepless regulation with seat back angle from having the step regulation, adapt to the user demand of various angles, compare in prior art, it can realize arbitrary angle modulation to car seat back, the passenger can be according to self situation or user demand with the back regulation become arbitrary angle, it is reliable to adjust the structure, angle control range is big, show improvement passenger's comfort level.
Specifically, in the embodiment of the utility model provides an in, locate locking device casing and cushion skeleton fixed connection on the cushion skeleton, for the function that locking device provided the mount pad, prevent simultaneously that the dust from getting into the mechanism function of influence.
More specifically, in this embodiment, a metal friction wheel 2 is arranged at the seat back rotation axis, a rubber ring is arranged on the outer ring, and the rubber ring is controlled by a mechanical structure to realize the contact and the separation of the rubber ring and the friction wheel 2, so as to realize the adjustment and the locking functions of the seat back angle.
Specifically, in the embodiment of the present invention, the adjusting mechanism includes: an opening cam 8 mounted on the locking device housing; an opening deflector rod 9 which is arranged on the seat rotating shaft 1 and is connected with the opening cam 8; and the opening pulling strip 10 is connected with the opening shifting rod 9, and one side of the opening pulling strip 10, which is far away from the opening shifting rod 9, is provided with a pulling ring. The user realizes that the seat braking breaks away from through pulling the pull ring with the hand, and angle adjustment, after transferring the demand angle, the release pull ring gets into the locking state.
Specifically, in the embodiment of the present invention, the friction wheel 2 is installed on the seat rotating shaft 1 and specifically is: the friction wheel 2 is specifically installed on the seat rotating shaft 1 through flat pin connection. Wherein, locking device casing 7 also is the mount pad of the motion of rubber ring simultaneously, and the rubber ring setting is used for realizing the convenient function of replacing of rubber ring in the friction pulley 2 outside.
Specifically, in the embodiment of the present invention, the periphery of the surface of the friction wheel 2 is isolated by a groove structure. More specifically, the surface of the friction wheel 2 is roughened to increase the roughness value of the surface for increasing friction during operation.
Specifically, in the embodiment of the utility model provides an in, be equipped with spacing post on the locking device casing 7 for prevent that opening angle from locking greatly.
Specifically, in the embodiment of the present invention, the friction ring mounting seat 3 is provided with a positioning groove matched with the friction ring 5.
In particular, in the embodiment of the present invention, the elastic member 4 is a spring.
Specifically, in the embodiment of the present invention, the friction ring 5 is specifically set up in the outside of the friction wheel 2, and compared with the inside of the friction wheel 2 arranged in the friction ring 5, the friction ring has the advantage of convenient maintenance.
In particular, in the embodiment of the present invention, the friction ring 5 is specifically a rubber ring.
More specifically, in the prior art, in order to ensure the reliability of the meshing state, the gear teeth on the ratchet wheel are generally angled to ensure that the pawl is not separated from the gear teeth due to the action of a reverse force during matching, so that the minimum adjustment angle of the backrest is a multiple of the central angle between two adjacent teeth of the ratchet wheel, i.e. stepped adjustment, and the larger the ratchet wheel and the gear teeth are, the larger the minimum adjustment angle of the backrest is, so that the random adjustment angle of the backrest is limited;
because the ratchet mechanism is rigidly connected, each time of adjustment is rigid impact on the pawl, the service life of the ratchet mechanism is damaged once, if the ratchet mechanism is damaged, the ratchet mechanism is inconvenient to maintain, a whole framework or even a seat is required to be replaced, and the cost is high; in addition, due to the limitation of the structure of the ratchet mechanism and the shape of the seat, the maximum angle of the backrest angle adjustment in the form of the ratchet wheel is difficult to be 180 degrees, and for the vehicle type which wants to realize some specific functions, the limitation of the angle adjustment influences the realization of the function of the seat.
The embodiment of the utility model relates to an automobile seat backrest adjusting mechanism utilizes the drum principle of stopping to carry out the improvement of structure and material, convenient maintenance, can realize the stepless regulation of seat backrest, specifically, sets up a metal friction wheel 2 in the back of the seat rotation axis department, and the outer lane is equipped with friction ring 5, utilizes mechanical structure control friction ring 5 to realize the contact and the separation of friction ring 5 and friction wheel 2 to realize the regulation and the locking function of seat backrest angle; more specifically, be equipped with the metal protection casing outside car seat back adjustment mechanism, the motion mount pad of friction ring mount pad 3 is also regarded as simultaneously to the metal protection casing, and friction ring 5 sets up in the friction pulley 2 outside, has made things convenient for friction ring 5 to replace more.
Wherein, the embodiment of the utility model provides a car seat back adjustment mechanism lists following assembly sequence from the actual operation convenience of assembly process: the friction wheel 2 is arranged on the seat rotating shaft 1 and is connected by a flat pin to prevent rotation, a small groove is cut off on the periphery of the surface of the friction wheel, and the surface roughness value is large to increase the friction force during working;
placing a friction ring 5 on the friction ring mounting base 3, wherein the friction ring 5 is provided with a positioning groove relative to the friction ring mounting base 3; in practice, the friction ring 5 is preferably a rubber ring.
A locking ring 6 is installed, and the rubber ring is locked on the friction ring installation seat 3 by utilizing bolt connection;
installing an elastic element 4, namely a high-strength spring, on the friction ring installation seat 3, and placing the friction ring installation seat 3 at the corresponding position on the friction wheel 2;
mounting a high-strength spring on the friction ring mounting seat 3, wherein the assembly is limited to a corresponding position due to the action of the spring force;
installing a locking device shell 7 at a corresponding position of a seat framework, and assembling a rotating shaft of the friction ring installation seat 3 at a corresponding position on the locking device shell 7;
the opening cam 8 is arranged on the corresponding position on the shell of the locking device; the opening shift lever 9 is arranged on a corresponding position shaft of the locking device shell 7; installing an angle adjuster cover 11 to complete the installation of the whole angle adjuster locking device;
the opening pull belt 10 is arranged on the opening shift lever 9, the other end of the opening pull belt 10 is arranged in the middle of the seat and behind the headrest, and a limiting column is arranged at the back of the locking device shell 7 to prevent locking caused by overlarge opening angle.
Under this mechanism normal state, through high strength spring's tensioning force, with 5 locking of friction ring on friction pulley 2, when pulling open and opening stretching strap 10, the stretching strap has certain arm of force with the rotation axis of opening driving lever 9, opens driving lever 9 and drives when rotating and open cam 8 and rotate, produces the tensile force of a back-open spring, backs-open an angle with friction ring 5, and the seat back pivot loses the braking, can rotate the arbitrary angle of adjustment.
After the desired angle is reached, the pull belt 10 is released, the friction ring 5 is in a tightened state again under the action of the spring force, and the seat rotation shaft is restricted from rotating, thereby completing the operation of adjusting the whole set of backrest.
Wherein, the step of maintenance operation is: dismounting bolts of the angle adjuster cover 11 and moving the angle adjuster cover 11 away; the bolt of the locking ring 6 is removed and rotated for a certain angle; taking off the old friction ring and replacing the old friction ring with a new friction ring; the bolt is used for locking the locking ring 6 again; reinstalling the angle regulator cover 11; therefore, the replacement operation of the whole set of parts is completed.
From the above, the embodiment of the present invention relates to an adjusting mechanism for a seat back of an automobile, which utilizes friction to realize stepless adjustment of the angle of the seat back in the true sense; the related locking function mechanism can be used for replacing independent parts, the seat framework does not need to be replaced, and the maintenance cost is greatly reduced; the backrest has no maximum angle limit and can be adjusted at any angle, and the friction wheel 2 and the friction ring 5 realize stepless adjustment of the angle of the backrest; the friction ring 5 is arranged outside, so that the disassembly and maintenance are convenient; compared with the prior art, the seat back angle is changed from step adjustment to stepless adjustment, so that the use requirements of various angles are met; the main parts of the mechanism for realizing the adjusting function can be independently replaced, the cost is low, and the maintenance cost is greatly reduced; compared with the traditional adjusting structure, the adjusting structure has the advantages of greatly prolonging the service life and being convenient to maintain.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An automobile seat back adjusting mechanism, comprising: a seat rotating shaft rotating synchronously with the seat back; a friction wheel mounted on the seat rotating shaft; the locking device is arranged on the cushion framework and used for locking the friction wheel; the locking device includes: a locking device shell arranged on the cushion framework; a friction ring mounting seat mounted on the locking device shell; the elastic piece is arranged on the friction ring mounting seat; the friction ring is arranged on the friction ring mounting seat; the locking ring is arranged on the friction ring mounting seat and used for locking the friction ring on the friction ring mounting seat; and the locking adjusting mechanism is arranged on the locking device shell and used for adjusting the locking state of the locking device.
2. The vehicle seat back adjustment mechanism of claim 1, wherein the locking device housing mounted on the seat cushion frame is specifically: the locking device shell is fixedly connected with the cushion framework.
3. The vehicle seat back adjustment mechanism of claim 1, wherein the adjustment mechanism comprises: an opening cam mounted on the locking device housing; the opening deflector rod is connected with the opening cam; the opening pulling strip is connected with the opening pulling rod, and a pulling ring is arranged on one side, far away from the opening pulling rod, of the opening pulling strip.
4. The automobile seat back adjustment mechanism according to claim 1, wherein the friction wheel is mounted on the seat spindle specifically as: the friction wheel is installed on the seat rotating shaft through a flat pin connection.
5. The adjusting mechanism for the backrest of an automobile seat as claimed in claim 1, wherein the periphery of the surface of the friction wheel is partitioned by a groove structure.
6. The vehicle seat back adjustment mechanism of claim 2, wherein the locking device housing is provided with a limiting post for limiting the opening angle.
7. The vehicle seat back adjustment mechanism according to claim 1, wherein the friction ring mounting seat is provided with a positioning groove for engaging with the friction ring.
8. The vehicle seat back adjustment mechanism according to claim 1, wherein the elastic member is a spring.
9. The vehicle seat back adjustment mechanism according to claim 1, wherein the friction ring is arranged in particular on an outer ring of the friction wheel.
10. The vehicle seat back adjustment mechanism according to any one of claims 1 to 9, wherein the friction ring is in particular a rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669882.5U CN210554330U (en) | 2019-10-08 | 2019-10-08 | Automobile seat backrest adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921669882.5U CN210554330U (en) | 2019-10-08 | 2019-10-08 | Automobile seat backrest adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554330U true CN210554330U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921669882.5U Active CN210554330U (en) | 2019-10-08 | 2019-10-08 | Automobile seat backrest adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210554330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525292A (en) * | 2019-10-08 | 2019-12-03 | 湖南恒润汽车有限公司 | A kind of motor vehicle seat back regulating mechanism |
-
2019
- 2019-10-08 CN CN201921669882.5U patent/CN210554330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110525292A (en) * | 2019-10-08 | 2019-12-03 | 湖南恒润汽车有限公司 | A kind of motor vehicle seat back regulating mechanism |
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