CN114043910B - Automobile seat backrest and automobile seat - Google Patents
Automobile seat backrest and automobile seat Download PDFInfo
- Publication number
- CN114043910B CN114043910B CN202111540001.1A CN202111540001A CN114043910B CN 114043910 B CN114043910 B CN 114043910B CN 202111540001 A CN202111540001 A CN 202111540001A CN 114043910 B CN114043910 B CN 114043910B
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- assembly
- top plate
- cushion
- sleeve
- driven
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- 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
- B60N2/64—Back-rests or cushions
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The application relates to a car seat back and car seat, it includes: the backrest framework assembly is used for being rotatably arranged on the cushion framework assembly; a top plate for being disposed within a back cushion that encloses the back frame assembly; a first driven component connected with the top plate and backrest frame assembly; the second driven component is used for connecting the backrest framework assembly with the first driven component in a transmission way; when the back frame assembly is adjusted backward to be placed down, the back frame assembly drives the first driven component and the second driven component to move, so that the top plate supports the back cushion, and protrusions supporting the neck are formed. Therefore, when the back cushion is not needed to be used, the top plate is stored in the back cushion, and the back skeleton assembly is laid down to automatically form a bulge so as to effectively support the neck of a driver and avoid potential safety hazards caused by additionally arranged neck support.
Description
Technical Field
The application relates to the field of automobile parts, in particular to an automobile seat backrest and an automobile seat.
Background
At present, the automobile seat provides convenient operation, comfortable and safe driving and riding positions for drivers and passengers, and the automobile seat has the following conditions: the arrangement of the seats in the whole carriage should be reasonable, in particular the driver seat must be in the optimal position; the appearance design of the seat must accord with the physiological function of human body, and the seat is attractive on the premise of ensuring comfort; the seat must be safe and reliable, should have sufficient strength, rigidity and durability, be compact and reduce the mass as much as possible; for satisfying various adjusting mechanisms provided for comfort of drivers and passengers, reliable locking devices are required to ensure safety. The car seat can be divided into a fixed type, a detachable type and an adjustable type according to functions; there are also seats for special use, such as child seats and racing seats.
In some related art, when a driver needs to rest in a car, the car seat back can be rotationally adjusted to achieve a comfortable angle, but there are the following problems:
because the rotation axis when human body sits is not same axle for the rotation axis of car seat back, when the driver with the seat back of falling want the rest, the driver head leaves the headrest, and the neck supports inadequately, influences the travelling comfort of rest, consequently many in the present market install the seat neck brace additional, install the car seat of neck brace additional and have appeared new problem again, install the neck brace additional promptly and belong to car aftermarket and install the piece additional, can lead to the fact the damage to the passenger neck at car rear-end collision in-process, exist the security risk.
Disclosure of Invention
The embodiment of the application provides an automobile seat back and automobile seat to headrest keep away from driver's neck after solving among the correlation technique automobile seat back and laying down, can not effectively support driver's neck, and the neck brace that installs additional has the problem of potential safety hazard.
In a first aspect, there is provided an automotive seat back comprising:
the backrest framework assembly is used for being rotatably arranged on the cushion framework assembly;
a top plate for being disposed within a back cushion that encloses the back frame assembly;
a first driven component connected with the top plate and backrest frame assembly;
the second driven component is used for connecting the backrest framework assembly with the first driven component in a transmission way;
when the back frame assembly is adjusted backward to be placed down, the back frame assembly drives the first driven component and the second driven component to move, so that the top plate supports the back cushion, and protrusions supporting the neck are formed.
In some embodiments, the second driven assembly comprises:
the abutting piece is arranged on the backrest framework assembly;
the fixing frame is used for being arranged on the cushion framework assembly;
and one end of the inhaul cable is connected with the fixing frame, and the other end of the inhaul cable is penetrated with the abutting piece and is connected with the top plate: the method comprises the steps of,
when the back rest framework assembly is adjusted backwards, the supporting piece loosens the inhaul cable so as to reset the first driven component, push the top plate and form the bulge;
when the backrest framework assembly is retracted, the abutting piece abuts against the inhaul cable to drive the top plate to press the first driven assembly, so that the top plate is retracted.
In some embodiments, the first driven assembly includes a resilient member; or (b)
The first driven component comprises an elastic piece and a fixing piece, one end of the elastic piece is connected to the backrest framework assembly through the fixing piece, and the other end of the elastic piece is connected with the top plate.
In some embodiments, the securing member comprises a connecting wire and a connecting plate; the connecting plate is connected with the backrest framework assembly through a connecting steel wire and is coaxially arranged with the top plate;
and through holes for the inhaul cables to pass through are formed in the connecting plate and the elastic piece.
In some embodiments, the elastic member is a spring or a plastic product.
In some embodiments, the second driven assembly comprises:
the abutting piece is arranged on the backrest framework assembly;
the fixing frame is used for being arranged on the cushion framework assembly;
and one end of the inhaul cable is connected with the fixing frame, and the other end of the inhaul cable is penetrated with the abutting piece to be connected with the first driven assembly: the method comprises the steps of,
when the back rest framework assembly is adjusted backwards, the supporting piece loosens the inhaul cable so as to reset the first driven component and form the bulge;
when the backrest frame assembly is retracted, the abutting member abuts against the inhaul cable to tighten the first driven component and retract the top plate.
In some embodiments, the first driven assembly comprises:
a first sleeve mounted on the back frame assembly;
one end of the second sleeve is connected with the top plate, and the other end of the second sleeve is arranged in the first sleeve and is connected with the inhaul cable;
and the elastic block is arranged in the first sleeve and is connected with the second sleeve.
In some embodiments, the resilient block is a spring or a plastic.
In some embodiments, the abutting piece comprises an extension rod and a third sleeve through which the inhaul cable passes, one end of the extension rod is connected with the third sleeve, and the other end of the extension rod is connected with the backrest framework assembly; the fixing frame is provided with an extension part for connecting a inhaul cable, the extension part is connected with a circular ring, and the extension direction of the extension part is opposite to the extension direction of the extension rod;
the backrest framework assembly is arranged on the cushion framework assembly through a rotating shaft, and the circular ring is used for being connected to the cushion framework assembly and is coaxially arranged with the rotating shaft.
In a second aspect, there is provided an automotive seat comprising:
the cushion framework assembly is coated with a cushion;
an automobile seat back, the automobile seat back comprising:
-a back frame assembly rotatably disposed on the seat cushion frame assembly and over which the back cushion is wrapped;
-a top panel disposed within the back cushion;
-a first driven component connected with the roof and back frame assembly;
-a second driven component drivingly connecting the back frame assembly with the first driven component.
The beneficial effects that technical scheme that this application provided brought include:
the embodiment of the application provides an automobile seat backrest and an automobile seat, wherein a top plate is arranged in a backrest framework assembly and is connected with a first driven component and the backrest framework assembly, and a second driven component is used for connecting the first driven component with the backrest framework assembly in a transmission way, so that in the process of backward adjusting to put down the backrest framework assembly, the backrest framework assembly drives the first driven component and the second driven component to move so as to enable the top plate to prop against a backrest cushion to form a bulge for supporting a neck, and in the process of adjusting back the backrest framework assembly, the backrest framework assembly drives the first driven component and the second driven component to move so as to enable the top plate to return and the bulge to disappear; finally, the top plate is adjusted in a self-adaptive manner along with the rotation of the backrest framework, so that the backrest cushion is stored in the backrest cushion when the backrest cushion is not needed to be used, and the bulge is formed automatically when the backrest cushion is used, so that the neck of a driver can be effectively supported, and the potential safety hazard caused by additionally installing the neck support is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an overall structural diagram of an automobile seat provided in an embodiment of the present application;
FIG. 2 is an internal structural view of a car seat back provided in an embodiment of the present application;
FIG. 3 is an internal block diagram of an automotive seat back at another perspective provided by an embodiment of the present application;
fig. 4 is a schematic view of a state of an automobile seat back when erected according to an embodiment of the present application;
fig. 5 is a schematic view of a state of an automobile seat back when the automobile seat back is reclined according to an embodiment of the present application.
In the figure: 1. a back frame assembly; 2. a seat cushion frame assembly; 3. a top plate; 30. a connecting block; 4. a first driven assembly; 40. a fixing member; 400. connecting steel wires; 401. a connecting plate; 41. an elastic member; 5. a second driven assembly; 50. a tightening member; 51. a fixing frame; 52. and (5) a inhaul cable.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
The embodiment of the application provides an automobile seat back and automobile seat to the headrest is kept away from driver's neck after solving among the correlation technique automobile seat back and is laid down, can not effectively support driver's neck, and installs the neck brace additional and have the problem of potential safety hazard.
Referring to fig. 1, 4 and 5, there is provided a vehicle seat back including a back frame assembly 1, a top plate 3, a first driven member 4 and a second driven member 5.
The backrest framework assembly 1 is rotatably arranged on the cushion framework assembly 2, and a backrest cushion is coated outside the backrest framework assembly 1; the top plate 3 is arranged in the backrest cushion.
The first driven component 4 is connected with the top plate 3 and the backrest frame assembly 1, the second driven component 5 is used for connecting the backrest frame assembly 1 and the first driven component 4 in a transmission way, and the structure is configured as follows in the movement process:
when the back frame assembly 1 is reclined to recline, the back frame assembly 1 drives the first and second driven members 4, 5 to cause the top plate 3 to bear against the back cushion to form a bulge supporting the neck.
When the back frame assembly 1 is retracted, the back frame assembly 1 drives the first driven member 4 and the second driven member 5 to move so as to reset the top plate 3, so that the protrusion forming the support neck portion disappears.
Therefore, through the structure, when the backrest framework assembly 1 is adjusted back and back, the top plate 3 is adjusted in a self-adaptive manner along with the state of the backrest framework assembly 1, so that the bulge is generated and disappears, namely, the backrest framework assembly 1 is placed down to form the bulge by itself when being stored in the backrest cushion when not in use, so that the neck of a driver is effectively supported, and the potential safety hazard caused by additionally installing a neck support is avoided.
Example 1
In some preferred embodiments, the specific structure of the first driven assembly 4 and the second driven assembly 5 is as follows:
first, fig. 2 and 3 show:
the second driven component 5 comprises a propping piece 50, a fixing frame 51 and a inhaul cable 52, wherein the propping piece 50 is arranged on the backrest framework assembly 1, the fixing frame 51 is fixedly connected to the seat cushion framework assembly 2, one end of the inhaul cable 52 is connected with the fixing frame 51, and the other end of the inhaul cable 52 penetrates through the propping piece 50 to be connected with the top plate 3.
When the back rest framework assembly 1 is adjusted backwards, the distance between the abutting piece 50 and the fixing frame 51 is reduced, the abutting piece 50 is used for loosening the inhaul cable 52, so that the first driven component 4 is reset, the top plate 3 is pushed, and a bulge is formed; when the backrest frame assembly 1 is retracted, the distance between the abutting piece 50 and the fixing frame 51 is increased, the abutting piece 50 abuts against the inhaul cable 52, the top plate 3 is driven to press the first driven component 4, and the top plate 3 is retracted, so that the protrusion disappears.
In this embodiment, the first driven component 4 adapted to the second driven component 5 may be an elastic member 41, two ends of the elastic member 41 are directly connected to the top plate 3 and the backrest frame assembly 1, and the elastic member 41 may be a spring or a plastic product.
When the back rest framework assembly 1 is adjusted backwards, the supporting piece 50 releases the inhaul cable 52 so as to reset the elastic piece 41 compressed by the top plate 3, and the elastic piece 41 pushes the top plate 3 and forms a bulge; when the action of the back frame assembly 1 is completed, the distance between the abutting piece 50 and the fixing frame 51 is the largest, the abutting piece 50 abuts against the inhaul cable 52, and the elastic piece 41 for compressing the top plate 3 is driven to retract the top plate 3, so that the bulge disappears.
Further, the first driven component 4 may also include an elastic member 41 and a fixing member 40, where one end of the elastic member 41 is connected to the back frame assembly 1 through the fixing member 40, and the other end is connected to the top plate 3. The fixing member 40 includes a connection wire 400 and a connection plate 401; the connecting plate 401 is connected with the backrest framework assembly 1 through a connecting steel wire 400 and is coaxially arranged with the top plate 3; through holes for the inhaul cables 52 to pass through are arranged on the connecting plate 401 and the elastic piece 41.
In use, the cable 52 passes through the connection plate 401 and the elastic member 41 in sequence, so that the cable 52 is conveniently stored, and the elastic member 41 acts as a guide. And the functions can be realized by the simple structure.
Further, the center of the top plate 3 is provided with a connecting block 30 detachably connected with the inhaul cable 52, and the connecting block 30 facilitates connection and installation of the inhaul cable 52.
Second kind:
the second driven component 5 comprises a propping piece 50, a fixing frame 51 and a inhaul cable 52, wherein the propping piece 50 is arranged on the backrest framework assembly 1, the fixing frame 51 is fixedly connected to the seat cushion framework assembly 2, one end of the inhaul cable 52 is connected with the fixing frame 51, and the other end of the inhaul cable 52 penetrates through the propping piece 50 to be connected with the first driven component 4.
When the back rest skeleton assembly 1 is adjusted backward, the distance between the abutting piece 50 and the fixing frame 51 is increased, and the abutting piece 50 loosens the inhaul cable 52 so as to reset the first driven component 4 and form a bulge; when the action of retracting the back frame assembly 1 is completed, the distance between the abutting piece 50 and the fixing frame 51 is maximized, and the abutting piece 50 abuts against the pull rope 52 to tighten the first driven member 4 and retract the top plate 3.
The first driven assembly 4 corresponding to the second driven assembly 5 of the second type includes: the backrest framework comprises a first sleeve, a second sleeve and an elastic block, wherein the first sleeve is arranged on a backrest framework assembly 1; one end of the second sleeve is connected with the top plate 3, and the other end of the second sleeve is arranged in the first sleeve and is connected with the inhaul cable 52; the elastic block is arranged in the first sleeve, and the second sleeve is connected. The elastic block adopts a spring or a plastic product.
When the back rest framework assembly 1 is adjusted backwards to be placed down in use, the distance between the abutting piece 50 and the fixing frame 51 is increased, the abutting piece 50 loosens the inhaul cable 52, so that the compressed elastic block is reset, the second sleeve is pushed to move in the first sleeve, the top plate 3 is pushed, and a bulge for supporting the neck is formed; when the action of retracting the back frame assembly 1 is completed, the distance between the abutting piece 50 and the fixing frame 51 is maximized, and the abutting piece 50 abuts against the pull rope 52 to tighten the second sleeve to move in the first sleeve and compress the elastic block, thereby retracting the top plate 3.
In the above first type second driven assembly 5 and second type second driven assembly 5, the following arrangements are made for facilitating the tightening of the guy wires 52:
the abutting piece 50 comprises an extension rod and a third sleeve through which the inhaul cable 52 passes, one end of the extension rod is connected with the third sleeve, and the other end of the extension rod is connected with the backrest framework assembly 1; the fixing frame 51 is provided with an extension portion for connecting the stay 52, and the extension direction of the extension portion is opposite to the extension direction of the extension rod.
The backrest framework assembly 1 is arranged on the cushion framework assembly 2 through a rotating shaft; the fixing frame 51 further comprises a circular ring connected to the seat cushion frame assembly 2 and coaxially arranged with the rotation shaft, and the extension part is connected to the circular ring, so as to prevent the abutting member 50 and the fixing frame 51 from being located on the same radius, namely, on the radius of a circle centered on the rotation shaft of the backrest frame assembly 1, so as to ensure that the distance between the abutting member 50 and the fixing frame 51 is changed in the process of rotating along with the backrest frame assembly 1, thereby tensioning and releasing the guy cable 52
Example two
In some preferred embodiments, the structural form of the second driven assembly 5 may also be as follows:
the second driven assembly 5 includes: the transmission gear sleeve, the connecting rod, the winding wheel, the inhaul cable 52 and the transmission gear; one end of the connecting rod is arranged on the backrest framework assembly 1, and the other end of the connecting rod is connected with a transmission gear sleeve; the winding wheel is arranged on the cushion framework assembly 2 and is also provided with a transmission gear; the transmission gear sleeve is sleeved on the transmission gear and meshed with the transmission gear, and the inhaul cable 52 is wound on the winding wheel and connected with the top plate 3.
When the back frame assembly 1 is adjusted backwards to be placed down, the back frame assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod, so that the winding wheel rotates forwards, and the inhaul cable 52 is loosened, so that the first driven component 4 is reset, and the top plate 3 is pushed and raised; when the backrest framework assembly 1 is retracted, the backrest framework assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod, so that the winding wheel is reversed, the inhaul cable 52 is tightened, and the top plate 3 is driven to press the first driven component 4, so that the top plate 3 is retracted.
The corresponding first driven member 4 may include an elastic member 41 and a fixing member 40, one end of the elastic member 41 is connected to the back frame assembly 1 through the fixing member 40, and the other end is connected to the top plate 3. The fixing member 40 includes a connection wire 400 and a connection plate 401; the connecting plate 401 is connected with the backrest framework assembly 1 through a connecting steel wire 400 and is coaxially arranged with the top plate 3; through holes for the inhaul cables 52 to pass through are arranged on the connecting plate 401 and the elastic piece 41.
When the back frame assembly 1 is adjusted backwards to be placed down, the back frame assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod, so that the winding wheel rotates forwards, and the inhaul cable 52 is loosened, so that the compressed elastic piece 41 is reset, and the top plate 3 is pushed and protruded; when the backrest framework assembly 1 is retracted, the backrest framework assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod, so that the winding wheel is reversed, the inhaul cable 52 is tightened, and the top plate 3 is driven to compress the elastic piece 41, so that the top plate 3 is retracted.
The following forms may also be employed:
the second driven assembly 5 includes: the transmission gear sleeve, the connecting rod, the winding wheel, the inhaul cable 52 and the transmission gear; one end of the connecting rod is arranged on the backrest framework assembly 1, and the other end of the connecting rod is connected with a transmission gear sleeve; the winding wheel is arranged on the cushion framework assembly 2 and is also provided with a transmission gear; the transmission gear sleeve is sleeved on the transmission gear and meshed with the transmission gear, and the inhaul cable 52 is wound on the winding wheel and connected with the first driven component 4.
The corresponding first driven assembly 4 comprises: the backrest framework comprises a first sleeve, a second sleeve and an elastic block, wherein the first sleeve is arranged on a backrest framework assembly 1; one end of the second sleeve is connected with the top plate 3, and the other end of the second sleeve is arranged in the first sleeve and is connected with the inhaul cable 52; the elastic block is arranged in the first sleeve, and the second sleeve is connected. The elastic block adopts a spring or a plastic product.
When the back frame assembly 1 is adjusted backward to be placed down, the back frame assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod so as to enable the winding wheel to rotate forward, and accordingly the inhaul cable 52 is loosened, the compressed elastic block is reset, the second sleeve is pushed to move in the first sleeve, and the top plate 3 is pushed to form a bulge for supporting the neck; when the action of the back rest frame assembly 1 is completed, when the back rest frame assembly 1 is adjusted backward to be put down, the back rest frame assembly 1 drives the transmission gear sleeve and the transmission gear to rotate through the connecting rod, so that the winding wheel is reversed, the inhaul cable 52 is tightened, the second sleeve is pulled to move in the first sleeve, the elastic block is compressed, and the top plate 3 is retracted.
The application also proposes a car seat, which comprises:
the cushion framework assembly 2 is coated with a cushion; and the structure and the principle of the automobile seat backrest are the same as those of the automobile seat backrest described above.
The principle of the present application:
when the back frame assembly 1 is reclined to recline, the back frame assembly 1 drives the first and second driven members 4, 5 to cause the top plate 3 to bear against the back cushion to form a bulge supporting the neck. When the back frame assembly 1 is retracted, the back frame assembly 1 drives the first driven member 4 and the second driven member 5 to move so as to reset the top plate 3, so that the protrusion forming the support neck portion disappears. Therefore, when the back cushion is not needed to be used, the top plate is stored in the back cushion, and the back skeleton assembly 1 is automatically formed to be convex when being laid down, so that the neck of a driver can be effectively supported, and the potential safety hazard caused by additionally installed neck support is avoided.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. 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 application. Thus, the present application 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 (7)
1. An automotive seat back, characterized in that it comprises:
the backrest framework assembly (1) is used for being rotatably arranged on the cushion framework assembly (2);
a top plate (3) for being disposed in a back cushion covering the back frame assembly (1);
a first driven component (4) connected with the top plate (3) and the backrest framework assembly (1);
the second driven component (5) is used for connecting the backrest framework assembly (1) and the first driven component (4) in a transmission way; the second driven component (5) comprises a propping piece (50) which is arranged on the backrest framework assembly (1); the fixing frame (51) is used for being arranged on the cushion framework assembly (2); one end of a guy cable (52) is connected with the fixing frame (51), and the other end of the guy cable is penetrated by the abutting piece (50) and is connected with the top plate (3) or the first driven component (4); the supporting piece (50) comprises an extension rod and a third sleeve through which the inhaul cable (52) passes, one end of the extension rod is connected with the third sleeve, and the other end of the extension rod is connected with the backrest framework assembly (1); the fixing frame (51) is provided with an extension part for connecting a guy cable (52), the extension part is connected with a circular ring, and the extension direction of the extension part is opposite to the extension direction of the extension rod; the backrest framework assembly (1) is arranged on the cushion framework assembly (2) through a rotating shaft, and the circular ring is used for being connected to the cushion framework assembly (2) and is coaxially arranged with the rotating shaft;
when the back rest framework assembly (1) is adjusted backwards, the supporting piece (50) releases the inhaul cable (52) so as to reset the first driven component (4), and the top plate (3) supports the back rest cushion to form a bulge for supporting the neck;
when the backrest framework assembly (1) is retracted, the abutting piece (50) abuts against the inhaul cable (52) to drive the top plate (3) to press the first driven assembly (4) so as to retract the top plate (3).
2. The automobile seat back as in claim 1, wherein:
the first driven assembly (4) comprises an elastic member (41); or (b)
The first driven component (4) comprises an elastic piece (41) and a fixing piece (40), one end of the elastic piece (41) is connected to the backrest framework assembly (1) through the fixing piece (40), and the other end of the elastic piece is connected with the top plate (3).
3. The automobile seat back as in claim 2, wherein:
the fixing piece (40) comprises a connecting steel wire (400) and a connecting plate (401); the connecting plate (401) is connected with the backrest framework assembly (1) through a connecting steel wire (400) and is coaxially arranged with the top plate (3);
through holes for the inhaul cables (52) to pass through are arranged on the connecting plate (401) and the elastic piece (41).
4. The automobile seat back as in claim 2, wherein:
the elastic piece (41) adopts a spring or a plastic product.
5. The vehicle seat back according to claim 1, characterized in that the first driven assembly (4) comprises:
a first sleeve mounted on the back frame assembly (1);
one end of the second sleeve is connected with the top plate (3), and the other end of the second sleeve is arranged in the first sleeve and is connected with the inhaul cable (52);
and the elastic block is arranged in the first sleeve and is connected with the second sleeve.
6. The automobile seat back as in claim 5, wherein:
the elastic block adopts a spring or a plastic product.
7. An automotive seat, characterized in that it comprises:
a cushion skeleton assembly (2) coated with cushion cushions;
the automobile seat back of any of claims 1-6, comprising:
-a back frame assembly (1) rotatably provided on the seat frame assembly (2) and over which the back cushion is wrapped;
-a top panel (3) disposed within the back cushion;
-a first driven component (4) connected to the top plate (3) and to the back frame assembly (1);
-a second driven assembly (5) drivingly connecting the back frame assembly (1) with the first driven assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540001.1A CN114043910B (en) | 2021-12-15 | 2021-12-15 | Automobile seat backrest and automobile seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111540001.1A CN114043910B (en) | 2021-12-15 | 2021-12-15 | Automobile seat backrest and automobile seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114043910A CN114043910A (en) | 2022-02-15 |
| CN114043910B true CN114043910B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111540001.1A Active CN114043910B (en) | 2021-12-15 | 2021-12-15 | Automobile seat backrest and automobile seat |
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| CN (1) | CN114043910B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101054755B1 (en) * | 2008-08-27 | 2011-08-05 | 기아자동차주식회사 | Seat Back Interlocking Sliding Headrest Device |
| DE102011081737A1 (en) * | 2011-08-29 | 2013-02-28 | Lear Corp. | Adjustable vehicle seat headrest assembly |
| CN103847541B (en) * | 2012-11-28 | 2016-06-01 | 比亚迪股份有限公司 | A kind of headrest adjuster of seat |
| US9409504B2 (en) * | 2013-01-24 | 2016-08-09 | Ford Global Technologies, Llc | Flexible seatback system |
| US10166900B2 (en) * | 2017-02-09 | 2019-01-01 | Ford Global Technologies, Llc | Internal upper seatback support for driving and sleeper seats |
| US10569674B2 (en) * | 2017-03-02 | 2020-02-25 | Ford Global Technologies, Llc | Mechanism for a supine motor vehicle seating assembly |
| US10493882B1 (en) * | 2018-05-29 | 2019-12-03 | Ford Global Technologies, Llc | Vehicle seatback with thoracic support actuated pillow |
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2021
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