CN112477709B - Linkage structure of seat backrest - Google Patents
Linkage structure of seat backrest Download PDFInfo
- Publication number
- CN112477709B CN112477709B CN202011494007.5A CN202011494007A CN112477709B CN 112477709 B CN112477709 B CN 112477709B CN 202011494007 A CN202011494007 A CN 202011494007A CN 112477709 B CN112477709 B CN 112477709B
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- angle adjuster
- rod
- hinged
- seat frame
- side plate
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- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 241000270295 Serpentes Species 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/10—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable tiltable
-
- 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
- B60N2/68—Seat frames
- B60N2/682—Joining means
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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 discloses a seat backrest linkage structure which comprises a mounting base, a seat frame, a backrest frame and a linkage piece, wherein the rear part of the seat frame and the lower part of the backrest frame are hinged with the mounting base, the linkage piece simultaneously connects the seat frame and the backrest frame, the linkage piece comprises an upper hinge rod, a lower hinge rod and a connecting rod, one end of the upper hinge rod is hinged with the front part of the seat frame, the other end of the upper hinge rod is hinged with the lower hinge rod, one end of the lower hinge rod, which is far away from the upper hinge rod, is hinged with the lower part of the backrest frame, the upper end of the connecting rod is hinged with the front part of the mounting base, and the lower end of the connecting rod is hinged with the hinge points of the upper hinge rod and the lower hinge rod. By adopting the seat backrest linkage structure, the lower hinge rod can move forwards in the backward adjustment process of the backrest frame, and the upper hinge rod can be pushed to move upwards under the limit action of the connecting rod to drive the seat frame to move upwards, so that the seat frame is linked with the backrest frame in the adjustment process of the backrest frame, and the seat backrest frame has a simple and effective structure.
Description
Technical Field
The invention relates to an automobile seat part, in particular to a seat-leaning linkage structure.
Background
The automobile seat belongs to an automobile basic device, is an important safety part of an automobile, and relates a human body and an automobile body together in the automobile, the comfort and the safety of passengers are directly related, the popularization rate of the automobile is higher and higher along with the development of society and the improvement of the economic level of people, the automobile continuously generates new demands in the use process of the automobile, a large number of seat frameworks applied to different conditions are required to be designed in the face of various demands, various new structures are correspondingly generated, such as the seat frameworks for linkage of the seat and the backrest, the backrest is tilted upwards in the backward angle adjusting process, the weight of legs is concentrated at the front of the seat, and new parts are required to be redesigned in the design of the product, so that the following problems exist in the prior art when the seat and the backrest are in the face of linkage:
1. most of the existing supporting structures are rectangular frames, and effective supporting of the front part of the seat cannot be guaranteed;
2. when the existing automobile seat is used by passengers, the backrest is often adjusted in angle, and the lower part of the seat only slides forwards and backwards but cannot rotate, so that the seat cannot be linked when the backrest is adjusted;
3. or when the seat is slid, the lower connecting plate is generally arranged on the sliding rail through the seat frame side plate, the structure is complex, the time and the labor are wasted during the installation, the cost is higher,
4. the traditional seat frame back coaming is a straight plate, the formed seat frame is a rectangular frame, the seat frame area is limited, when the seat frame area is increased, the length of the seat frame back coaming needs to be increased, the cost is increased, and the weight and the occupied space are increased.
5. The front part of the lower connecting plate of the traditional angle adjuster is directly connected with a seat frame side plate, and the seat frame side plate is connected with a sliding rail; the angle adjuster is higher in position and is located above or basically flush with the seat frame, and the front space of the seat frame body is smaller, and the foot space is insufficient.
6. The foam is placed above the traditional seat framework, the foam is placed in front of the backrest framework, the surface sleeve is covered outside, hooks are arranged at the edges of the surface sleeve, the hooks are hung on the framework to support the foam, the required framework is complex in structure and heavy in weight, for example, a steel seat basin is arranged, a large number of steel wires are arranged, and the like.
Disclosure of Invention
In view of this, the present invention provides a seat cushion linkage that helps to ensure that the seat cushion moves with it during adjustment of the backrest.
The technical scheme is as follows:
the seat backrest linkage structure is characterized by comprising a mounting base, a seat frame, a backrest frame and a linkage piece, wherein the rear part of the seat frame and the lower part of the backrest frame are hinged with the mounting base, and the linkage piece is simultaneously connected with the seat frame and the backrest frame;
the linkage piece comprises an upper hinging rod, a lower hinging rod and a connecting rod, one end of the upper hinging rod is hinged with the front part of the seat frame, the other end of the upper hinging rod is hinged with the lower hinging rod, one end of the lower hinging rod, which is far away from the upper hinging rod, is hinged with the lower part of the backrest frame, the upper end of the connecting rod is hinged with the front part of the mounting base, and the lower end of the connecting rod is hinged with the hinging point of the upper hinging rod and the lower hinging rod.
The effect of adopting above scheme: this scheme is when the back frame is rotatory, the articulated lever can promote forward down, and the top moves go up the articulated lever is upwards, the connecting rod is right simultaneously go up the articulated lever with down the articulated lever carries out spacing and direction, makes the seat frame take place to link when the back frame is rotatory, its simple structure is effective.
The mounting base comprises two mounting pieces, the seat frame comprises two seat frame side plates which are arranged opposite to each other, the two seat frame side plates correspond to the two mounting pieces one by one, and the rear parts of the two seat frame side plates are hinged with the corresponding mounting pieces respectively;
the backrest frame comprises two opposite angle adjuster upper connecting plates, the two angle adjuster upper connecting plates correspond to the two mounting pieces one by one, and the two angle adjuster upper connecting plates are hinged to the corresponding mounting pieces respectively.
The installation piece comprises an angle adjuster lower connecting plate, the angle adjuster upper connecting plate is installed at the rear part of the corresponding angle adjuster lower connecting plate through an angle adjuster core piece, and the rear part of the seat frame side plate is hinged with the upper part of the corresponding angle adjuster lower connecting plate.
And the hinge point of the lower hinge rod and the upper connecting plate of the angle adjuster is positioned below the core piece of the angle adjuster.
The angle adjuster lower connecting plate comprises a connecting plate body, one side surface of the connecting plate body is an inner side surface, the other side surface of the connecting plate body is an outer side surface, the connecting plate body is divided into a hinge area, a connecting area and a mounting area, the hinge area, the connecting area and the mounting area are respectively located at the front part, the middle part and the rear part of the connecting plate body, and the angle adjuster core piece is fixedly mounted in the mounting area.
The connecting plate body is also penetrated with a connecting rod hinge hole which is positioned in the hinge area,
the upper end of the connecting rod is hinged with the lower connecting plate of the angle adjuster through the connecting rod hinge hole;
the connecting plate body is further penetrated with a side plate connecting hole, the side plate connecting hole is positioned in the connecting area, and the seat frame side plate is hinged with the lower connecting plate of the angle adjuster through the side plate connecting hole.
The seat frame side plate comprises a side plate body, a front transverse pipe connecting part, an angle adjuster connecting part and two angle adjusting plates, wherein the side plate body is in a strip shape, and the front transverse pipe connecting part and the angle adjuster connecting part are respectively arranged at two ends of the side plate body through the angle adjusting plates;
the two angle modulation plates incline towards the inner side of the side plate body, the inclination directions of the two angle modulation plates are opposite, the angle modulation plates are connected with the side plate body at an obtuse angle, and the front transverse pipe connecting part and the angle modulation device connecting part are parallel to each other;
the angle adjuster connecting part is penetrated with an angle adjuster lower connecting hole, and the angle adjuster lower connecting hole and the edge plate connecting hole are internally penetrated with the same hinge shaft to realize mutual hinge.
The side plate body is further penetrated with a connecting rod hinge hole, the connecting rod hinge hole is respectively close to the upper edge of the side plate body and the front transverse tube connecting part, and the end part of the upper hinge rod is hinged with the seat frame side plate through the corresponding connecting rod hinge hole.
The side plate body, the front transverse tube connecting part, the angle adjuster connecting part and the angle adjusting plate are integrally formed.
The beneficial effects are that: in the back frame adjusting process, the lower hinging rod moves forwards, the upper hinging rod is pushed to move upwards under the limiting action of the connecting rod, and the seat frame is driven to move upwards, so that the seat frame is linked with the seat frame in the back frame adjusting process, and the back frame adjusting device is simple and effective in structure.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of the linkage state of the present invention;
FIG. 3 is a schematic view of the mounting structure of the linkage;
fig. 4 is a schematic structural view of the seat frame side plate 31;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic structural view of the lower link plate 30 of the recliner;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic view of the structure of a back panel of the seat frame;
fig. 9 is a partial enlarged view Z of fig. 8;
FIG. 10 is a schematic view of a frame support ring;
FIG. 11 is a rear view of FIG. 10;
FIG. 12 is a front view of the bezel support ring;
FIG. 13 is a schematic view in section A-A of FIG. 12;
fig. 14 is a partial enlarged view X of fig. 13;
FIG. 15 is a schematic view of the structure of the back support ring;
FIG. 16 is a rear view of FIG. 15;
FIG. 17 is a front view of the back support ring;
FIG. 18 is a schematic view in section B-B of FIG. 17;
fig. 19 is a partial enlarged view Y of fig. 18;
fig. 20 is a schematic view of the mechanism of the upper link plate 37 of the recliner;
FIG. 21 is a rear view of FIG. 20;
fig. 22 is a schematic diagram showing the correspondence of the upper connection plates 37 of the recliner.
Detailed Description
The invention is further described below with reference to examples and figures.
Example 1:
as shown in fig. 1 to 9, a seat-backrest linkage structure mainly includes a mounting base, a seat frame 42, a backrest frame 38, and a linkage member, wherein the rear portion of the seat frame 42 and the lower portion of the backrest frame 38 are both hinged with the mounting base, and the linkage member connects the seat frame 42 and the backrest frame 38 at the same time;
the linkage comprises an upper hinge rod 34, a lower hinge rod 35 and a connecting rod 36, one end of the upper hinge rod 34 is hinged with the front part of the seat frame 42, the other end of the upper hinge rod 34 is hinged with the lower hinge rod 35, one end of the lower hinge rod 35, which is far away from the upper hinge rod 34, is hinged with the lower part of the backrest frame 38, the upper end of the connecting rod 36 is hinged with the front part of the mounting base, and the lower end of the connecting rod 36 is hinged with the hinge points of the upper hinge rod 34 and the lower hinge rod 35.
Wherein:
the mounting base comprises two mounting pieces, the seat frame 42 comprises two seat frame side plates 31 which are arranged oppositely, the two seat frame side plates 31 are in one-to-one correspondence with the two mounting pieces, and the rear parts of the two seat frame side plates 31 are respectively hinged with the corresponding mounting pieces;
the backrest frame 38 comprises two opposite angle adjuster upper connecting plates 37, the two angle adjuster upper connecting plates 37 are in one-to-one correspondence with the two mounting pieces, and the two angle adjuster upper connecting plates 37 are respectively hinged with the corresponding mounting pieces.
The mounting piece comprises an angle adjuster lower connecting plate 30, the angle adjuster upper connecting plate 37 is mounted at the rear part of the corresponding angle adjuster lower connecting plate 30 through an angle adjuster core piece 33, and the rear part of the seat frame side plate 31 is hinged with the upper part of the corresponding angle adjuster lower connecting plate 30.
The hinge point of the lower hinge rod 35 and the recliner upper connection plate 37 is located below the recliner core 33.
The lower connection plate 30 of the angle adjuster comprises a connection plate body 10, one side surface of the connection plate body 10 is an inner side surface, the other side surface of the connection plate body 10 is an outer side surface, the connection plate body 10 is divided into a hinge area, a connection area and a mounting area, the hinge area, the connection area and the mounting area are respectively located at the front part, the middle part and the rear part of the connection plate body 10, and the core piece 33 of the angle adjuster is fixedly mounted in the mounting area.
The connecting plate body 10 is also penetrated with a connecting rod hinge hole 14, the connecting rod hinge hole 14 is positioned in the hinge area,
the upper end of the connecting rod 36 is hinged with the lower connecting plate 30 of the angle adjuster through the connecting rod hinge hole 14;
the connecting plate body 10 is further penetrated with a side plate connecting hole 15, the side plate connecting hole 15 is positioned in the connecting area, and the seat frame side plate 31 is hinged with the angle adjuster lower connecting plate 30 through the side plate connecting hole 15.
The seat frame side plate 31 comprises a side plate body 1, a front transverse pipe connecting part 2, an angle adjuster connecting part 3 and two angle adjuster plates 4, wherein the side plate body 1 is in a strip shape, and the front transverse pipe connecting part 2 and the angle adjuster connecting part 3 are respectively arranged at two ends of the side plate body 1 through the angle adjuster plates 4;
the two angle modulation plates 4 incline towards the inner side of the side plate body 1, the inclination directions of the two angle modulation plates 4 are opposite, the angle modulation plates 4 are connected with the side plate body 1 at an obtuse angle, and the front transverse pipe connecting part 2 and the angle modulation device connecting part 3 are parallel to each other;
the angle adjuster connecting part 3 is provided with an angle adjuster lower connecting hole 3a in a penetrating way, and the angle adjuster lower connecting hole 3a and the edge plate connecting hole 15 are internally provided with the same hinge shaft in a penetrating way to realize mutual hinge.
The side plate body 1 is further penetrated with a connecting rod hinge hole 5, the connecting rod hinge hole 5 is respectively close to the upper edge of the side plate body 1 and the front transverse tube connecting part 2, and the end part of the upper hinge rod 34 is hinged with the seat frame side plate 31 through the corresponding connecting rod hinge hole 5.
The side plate body 1, the front transverse tube connecting part 2, the angle adjuster connecting part 3 and the angle adjusting plate 4 are integrally formed.
The seat frame 42 further comprises a seat frame back panel and a side panel front transverse tube 32, the back panel body comprises a straight line section 20 and two arc-shaped connecting sections 21, the two arc-shaped connecting sections 21 are respectively fixed at two ends of the straight line section 20, and the intrados of the two arc-shaped connecting sections 21 face to the front of the straight line section 20;
the straight line section 20 and the two arc-shaped connecting sections 21 are integrally formed.
During the backward adjustment of the backrest frame 38, the lower hinge rod 35 moves forward, and under the limiting action of the connecting rod 36, the upper hinge rod 34 is pushed to move upward, so that the seat frame 42 is linked with the backrest frame 38 during the adjustment.
Example 2:
as shown in fig. 1 to 22, an automobile seat mainly comprises a mounting base, a seat cushion, a backrest, a linkage member and a power device, wherein the rear part of the seat cushion and the lower part of the backrest are hinged with the mounting base, and the seat cushion is connected with the backrest through the linkage member;
the mounting base comprises two opposite sliding rails, the upper surfaces of the sliding rails are also respectively provided with a mounting piece, the power device is mounted on any one of the mounting pieces, and the power device drives the backrest to rotate;
the linkage comprises an upper hinging rod 34, a lower hinging rod 35 and a connecting rod 36, wherein one end of the upper hinging rod 34 is hinged with the front part of the seat frame 42, the other end of the upper hinging rod 34 is hinged with the lower hinging rod 35, one end of the lower hinging rod 35 far away from the upper hinging rod 34 is hinged with the lower part of the backrest, the upper end of the connecting rod 36 is hinged with the front part of the mounting base, and the lower end of the connecting rod 36 is hinged with the hinging points of the upper hinging rod 34 and the lower hinging rod 35;
the mounting piece comprises an angle adjuster lower connecting plate 30, and the lower part of the angle adjuster lower connecting plate 30 is fixedly connected with the sliding rail;
the backrest is arranged at the rear part of the corresponding lower connecting plate 30 of the angle adjuster through an angle adjuster core piece 33, and the rear part of the seat cushion is hinged with the upper part of the corresponding lower connecting plate 30 of the angle adjuster;
the seat cushion comprises a seat frame 42 and a seat frame supporting ring, wherein the seat frame supporting ring is matched with the seat frame 42, and the seat frame supporting ring is arranged at the upper part of the seat frame 42;
the backrest includes a backrest frame 38 and a backrest support ring that mates with the backrest including the backrest frame 38, the backrest support ring being mounted at the front of the backrest frame 38.
Wherein:
the power device is an electric motor, and a rotating shaft of the electric motor and the corresponding angle adjuster core member 33 coaxially rotate.
The seat frame 42 comprises a side plate front transverse pipe 32, a seat frame back coaming and two seat frame side plates 31 which are arranged opposite to each other, the front parts of the two seat frame side plates 31 are respectively bent inwards, the front parts of the two seat frame side plates 31 are connected through the side plate front transverse pipe 32, the two ends of the seat frame back coaming are respectively in arc transition and extend forwards, the rear parts of the two seat frame side plates 31 are respectively connected with the two ends of the seat frame back coaming, the two seat frame side plates 31 are in one-to-one correspondence with the two mounting pieces, and the rear parts of the two seat frame side plates 31 are respectively hinged with the corresponding mounting pieces;
the seat frame back coaming comprises a straight line section 20 and two arc-shaped connecting sections 21, wherein the two arc-shaped connecting sections 21 are respectively fixed at two ends of the straight line section 20, and the inner cambered surfaces of the two arc-shaped connecting sections 21 face to the front of the straight line section 20;
the two seat frame side plates 31 are respectively installed at two ends of the arc-shaped connecting section 21, the seat frame side plates 31 are all positioned in front of the straight line section 20, and the rear parts of the seat frame side plates 31 are connected with the arc-shaped connecting section 21;
the upper edge of the straight line section 20 is horizontally folded to form a straight line mounting plate, the upper edges of the two arc-shaped connecting sections 21 are respectively horizontally folded to form an arc-shaped mounting plate, and the straight line mounting plate and the arc-shaped mounting plate face towards the rear of the back panel body.
The edge of the straight line section 20 is also connected with a plurality of snake spring hooks 23, the snake spring hooks 23 are bent forwards and then extend upwards to the front of the straight line section 20, and all the snake spring hooks 23 are positioned on the inner side of the straight line section 20;
the edge of the straight line section 20 is also provided with a plurality of stress relief openings, and two sides of the snake spring hook 23 are respectively provided with one stress relief opening;
the backrest frame 38 comprises two opposite angle adjuster upper connecting plates 37, the two angle adjuster upper connecting plates 37 are in one-to-one correspondence with the two mounting pieces, and the two angle adjuster upper connecting plates 37 are respectively hinged with the corresponding mounting pieces;
the hinge point of the lower hinge rod 35 and the recliner upper connection plate 37 is located below the recliner core 33.
The lower connecting plate 30 of the angle adjuster comprises a connecting plate body 10 and a sliding rail mounting plate 11, wherein the connecting plate body 10 is perpendicular to the sliding rail mounting plate 11, and the lower edge of the connecting plate body 10 is fixedly connected with the edge of the sliding rail mounting plate 11;
one side surface of the connecting plate body 10 is an inner side surface, the other side surface of the connecting plate body 10 is an outer side surface, the sliding rail mounting plate 11 faces the outer side of the connecting plate body 10, the connecting plate body 10 is sequentially divided into a hinge area, a connecting area and a mounting area along the connecting edge direction of the connecting plate body and the sliding rail mounting plate 11, and the hinge area, the connecting area and the mounting area are respectively positioned at the front part, the middle part and the rear part of the connecting plate body 10;
the angle adjuster core member 33 is fixedly installed in the installation area, the sliding rail comprises an upper sliding rail 39 and a lower sliding rail 40, the upper sliding rail 39 is in sliding fit with the lower sliding rail 40, the sliding rail installation plate 11 is attached to the upper sliding rail 39, the sliding rail installation plate 11 is fixed on the upper sliding rail 39 through bolts, and the rear portion of the seat frame body is connected with the connection area.
The connecting plate body 10 is also penetrated with a connecting rod hinge hole 14, the connecting rod hinge hole 14 is positioned in the hinge area,
the upper end of the connecting rod 36 is hinged with the lower connecting plate 30 of the angle adjuster through the connecting rod hinge hole 14;
the connecting plate body 10 is further penetrated with a side plate connecting hole 15, the side plate connecting hole 15 is positioned in the connecting area, and the seat frame side plate 31 is hinged with the angle adjuster lower connecting plate 30 through the side plate connecting hole 15.
The backrest frame 38 includes a backrest frame and at least one backrest connecting plate, all of which are installed at a lower portion of the backrest frame;
the backrest connecting plate comprises a backrest connecting main plate 49 and a backrest lower beam mounting plate 41, the backrest connecting main plate 49 is vertically arranged, and the backrest lower beam mounting plate 41 is transversely arranged in the middle of the backrest connecting main plate 49;
the upper part of the backrest connecting main board 49 forms a backrest side pipe mounting part, the lower part of the backrest connecting main board 49 is bent forward to be in a horizontal state, and the lower part of the backrest connecting main board 49 is bent horizontally to form an upper connecting board mounting part of the angle adjuster;
the lower part of the backrest framework is arranged at the corresponding backrest side pipe installation part, and the angle adjuster upper connecting plate 37 is arranged at the corresponding angle adjuster upper connecting plate installation part.
The seat frame side plate 31 comprises a side plate body 1, a front transverse pipe connecting part 2, an angle adjuster connecting part 3 and two angle adjuster plates 4, wherein the side plate body 1 is in a strip shape, and the front transverse pipe connecting part 2 and the angle adjuster connecting part 3 are respectively arranged at two ends of the side plate body 1 through the angle adjuster plates 4;
the two angle modulation plates 4 incline towards the inner side of the side plate body 1, the inclination directions of the two angle modulation plates 4 are opposite, the angle modulation plates 4 are connected with the side plate body 1 at an obtuse angle, and the front transverse pipe connecting part 2 and the angle modulation device connecting part 3 are parallel to each other;
the angle adjuster connecting part 3 is penetrated with an angle adjuster lower connecting hole 3a, and the angle adjuster lower connecting hole 3a and the edge plate connecting hole 15 are penetrated with the same hinging shaft to realize mutual hinging;
the seat frame sideboard 31 still includes turn-ups 1a, turn-ups 1a is followed sideboard body 1 preceding violently tub of connecting portion 2 angle modulation ware connecting portion 3 with the overall structure edge setting that angle modulation board 4 formed, turn-ups 1a with angle modulation board 4 is located the both sides of sideboard body 1, the arc mounting panel with turn-ups 1a laminating, the arc mounting panel with turn-ups 1a passes through bolt fixed connection.
The side plate body 1 is further penetrated with a connecting rod hinge hole 5, the connecting rod hinge hole 5 is respectively close to the upper edge of the side plate body 1 and the front transverse tube connecting part 2, and the end part of the upper hinge rod 34 is hinged with the seat frame side plate 31 through the corresponding connecting rod hinge hole 5; the side plate body 1, the front transverse tube connecting part 2, the angle adjuster connecting part 3 and the angle adjusting plate 4 are integrally formed.
The seat frame supporting ring and the backrest supporting ring are of the same structure, each supporting member body 51 is comprised, each supporting member body 51 is of an annular structure, the inner ring edge and the outer ring edge of each supporting member body 51 are both bent towards the same side, the inner ring edge is bent to form an inner ring mounting plate 51a, and the outer ring edge is bent to form an outer ring mounting plate 51b;
a butt joint area is formed between the inner ring mounting plate 51a and the outer ring mounting plate 51b, an annular hanging groove is further formed in the outer ring mounting plate 51b, and a notch of the annular hanging groove is formed in the side surface of the outer ring mounting plate 51b, which faces away from the support member body 51.
A plurality of hanging pieces are also arranged in the annular hanging groove, and all the hanging pieces are uniformly distributed in the annular hanging groove in the circumferential direction;
the hanging piece comprises two hanging blocks 53 which are arranged opposite to each other, and the hanging blocks 53 are fixed on the inner side walls of the two sides of the corresponding annular hanging groove.
The opposite side surfaces of the two hanging blocks 53 are obliquely arranged and form a guiding surface, and the edge of the guiding surface, which is close to the notch of the annular hanging groove, is flush with the inner side wall of the corresponding annular hanging groove.
The support member body 51 is further fixed with a plurality of reinforcing plates 54, all the reinforcing plates 54 are mutually intersected to form reinforcing grids, the reinforcing grids are respectively connected with the inner walls of the outer ring mounting plate 51b and the inner ring mounting plate 51a, and the reinforcing grids are located in the butt joint area.
The supporting member body 51 is made of plastic.
The supporting piece body 51 is also provided with a plurality of demoulding holes 56, and the demoulding holes 56 are communicated with the annular hanging groove;
the hanging pieces are in one-to-one correspondence with the demolding holes 56, and the demolding holes 56 are close to the corresponding hanging pieces.
The side surface of the supporting member body 51 facing away from the butt joint area is further provided with a plurality of counter bores 57, the bottoms of the counter bores 57 are located in the butt joint area, and all the bottoms of the counter bores 57 are further penetrated with connecting through holes.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A seat back linkage structure which is characterized in that: the novel backrest comprises a mounting base, a seat frame (42), a backrest frame (38) and a linkage piece, wherein the rear part of the seat frame (42) and the lower part of the backrest frame (38) are hinged with the mounting base, and the linkage piece is simultaneously connected with the seat frame (42) and the backrest frame (38);
the linkage piece comprises an upper hinging rod (34), a lower hinging rod (35) and a connecting rod (36), one end of the upper hinging rod (34) is hinged with the front part of the seat frame (42), the other end of the upper hinging rod (34) is hinged with the lower hinging rod (35), one end of the lower hinging rod (35) away from the upper hinging rod (34) is hinged with the lower part of the backrest frame (38), the upper end of the connecting rod (36) is hinged with the front part of the mounting base, and the lower end of the connecting rod (36) is hinged with a hinging point of the upper hinging rod (34) and the lower hinging rod (35);
the seat frame (42) comprises a side plate front transverse pipe (32), a seat frame back coaming and two seat frame side plates (31) which are arranged opposite to each other.
2. The seat cushion linkage of claim 1, wherein: the mounting base comprises two mounting pieces, the two seat frame side plates (31) are in one-to-one correspondence with the two mounting pieces, and the rear parts of the two seat frame side plates (31) are respectively hinged with the corresponding mounting pieces;
the backrest frame (38) comprises two opposite angle adjuster upper connecting plates (37), the two angle adjuster upper connecting plates (37) are in one-to-one correspondence with the two mounting pieces, and the two angle adjuster upper connecting plates (37) are respectively hinged with the corresponding mounting pieces.
3. The seat cushion linkage structure according to claim 2, wherein: the installation piece comprises an angle adjuster lower connecting plate (30), the angle adjuster upper connecting plate (37) is installed at the rear part of the corresponding angle adjuster lower connecting plate (30) through an angle adjuster core piece (33), and the rear part of the seat frame side plate (31) is hinged with the upper part of the corresponding angle adjuster lower connecting plate (30).
4. A seat cushion linkage according to claim 3, wherein: the hinge point of the lower hinge rod (35) and the upper connecting plate (37) of the angle adjuster is positioned below the core piece (33) of the angle adjuster.
5. The seat cushion linkage of claim 4, wherein: the angle adjuster lower connecting plate (30) comprises a connecting plate body (10), one side surface of the connecting plate body (10) is an inner side surface, the other side surface of the connecting plate body (10) is an outer side surface, the connecting plate body (10) is divided into a hinge area, a connecting area and a mounting area, the hinge area, the connecting area and the mounting area are respectively located at the front part, the middle part and the rear part of the connecting plate body (10), and the angle adjuster core piece (33) is fixedly mounted in the mounting area.
6. The seat cushion linkage of claim 5, wherein: the connecting plate body (10) is also penetrated with a connecting rod hinge hole (14), the connecting rod hinge hole (14) is positioned in the hinge area,
the upper end of the connecting rod (36) is hinged with the lower connecting plate (30) of the angle adjuster through the connecting rod hinge hole (14);
the connecting plate body (10) is further penetrated with a side plate connecting hole (15), the side plate connecting hole (15) is positioned in the connecting area, and the seat frame side plate (31) is hinged with the lower connecting plate (30) of the angle adjuster through the side plate connecting hole (15).
7. The seat cushion linkage of claim 6, wherein: the seat frame side plate (31) comprises a side plate body (1), a front transverse tube connecting part (2), an angle adjuster connecting part (3) and two angle adjusting plates (4), wherein the side plate body (1) is in a strip shape, and the front transverse tube connecting part (2) and the angle adjuster connecting part (3) are respectively arranged at two ends of the side plate body (1) through the angle adjusting plates (4);
the two angle adjusting plates (4) incline towards the inner side of the side plate body (1), the inclination directions of the two angle adjusting plates (4) are opposite, the angle adjusting plates (4) are connected with the side plate body (1) at an obtuse angle, and the front transverse pipe connecting part (2) and the angle adjuster connecting part (3) are parallel to each other;
the angle adjuster connecting part (3) is penetrated with an angle adjuster lower connecting hole (3 a), and the angle adjuster lower connecting hole (3 a) and the side plate connecting hole (15) are internally penetrated with the same hinge shaft to realize mutual hinge.
8. The seat cushion linkage of claim 7, wherein: the side plate body (1) is further penetrated with a connecting rod hinge hole (5), the connecting rod hinge hole (5) is respectively close to the upper edge of the side plate body (1) and the front transverse tube connecting part (2), and the end part of the upper hinge rod (34) is hinged with the seat frame side plate (31) through the corresponding connecting rod hinge hole (5).
9. The seat cushion linkage of claim 8, wherein: the side plate body (1), the front transverse tube connecting part (2), the angle adjuster connecting part (3) and the angle adjusting plate (4) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011494007.5A CN112477709B (en) | 2020-12-17 | 2020-12-17 | Linkage structure of seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011494007.5A CN112477709B (en) | 2020-12-17 | 2020-12-17 | Linkage structure of seat backrest |
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| Publication Number | Publication Date |
|---|---|
| CN112477709A CN112477709A (en) | 2021-03-12 |
| CN112477709B true CN112477709B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011494007.5A Active CN112477709B (en) | 2020-12-17 | 2020-12-17 | Linkage structure of seat backrest |
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| Country | Link |
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| CN (1) | CN112477709B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208291025U (en) * | 2018-05-30 | 2018-12-28 | 重庆长安汽车股份有限公司 | A kind of backrest cushion-linkage mechanism |
| CN110481392A (en) * | 2019-09-25 | 2019-11-22 | 重庆延锋安道拓汽车部件***有限公司 | A kind of car seat back frame and seat frame skeleton linkage adjustment mechanism |
| JP2020066248A (en) * | 2018-10-22 | 2020-04-30 | トヨタ紡織株式会社 | Vehicular seat |
| CN111601732A (en) * | 2017-11-15 | 2020-08-28 | 博泽科堡汽车零件欧洲两合公司 | Vehicle seat convenient to enter |
| CN213973678U (en) * | 2020-12-17 | 2021-08-17 | 重庆延锋安道拓汽车部件***有限公司 | Seat-rest linkage structure |
-
2020
- 2020-12-17 CN CN202011494007.5A patent/CN112477709B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111601732A (en) * | 2017-11-15 | 2020-08-28 | 博泽科堡汽车零件欧洲两合公司 | Vehicle seat convenient to enter |
| CN208291025U (en) * | 2018-05-30 | 2018-12-28 | 重庆长安汽车股份有限公司 | A kind of backrest cushion-linkage mechanism |
| JP2020066248A (en) * | 2018-10-22 | 2020-04-30 | トヨタ紡織株式会社 | Vehicular seat |
| CN110481392A (en) * | 2019-09-25 | 2019-11-22 | 重庆延锋安道拓汽车部件***有限公司 | A kind of car seat back frame and seat frame skeleton linkage adjustment mechanism |
| CN213973678U (en) * | 2020-12-17 | 2021-08-17 | 重庆延锋安道拓汽车部件***有限公司 | Seat-rest linkage structure |
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| Publication number | Publication date |
|---|---|
| CN112477709A (en) | 2021-03-12 |
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Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant after: Anduto (Chongqing) Automotive Parts Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant before: Chongqing andotuo Auto Parts System Co.,Ltd. |
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