CN206306885U - Lock the back seat rumble seat of unblock convenience with can improving - Google Patents

Abstract

The utility model discloses a folding rear seat which can improve the convenience of unlocking the ground lock, which comprises a backrest frame, a seat cushion frame rotatably connected with the backrest frame, and a ground lock arranged on the seat cushion frame; The unlocking mechanism for unlocking the ground lock, the unlocking mechanism uses the power when the backrest frame rotates to the seat cushion frame as the driving force for driving the ground lock to unlock; the utility model can automatically unlock the seat during the folding process after the backrest frame is unlocked The chair floor lock improves the convenience of use and meets the needs of consumers.

Description

Rear folding seat for improved unlocking convenience

technical field

The utility model relates to a car seat, in particular to a rear seat folding seat which can improve the convenience of unlocking and unlocking the ground lock.

Background technique

The interior space of the car is certain. In order to make better and reasonable use of the interior space of the car, to load more items when needed, or to accommodate multiple passengers, the method of erecting the rear folding seats is often used at present. . As a place for passengers to sit, car seats need to be firmly fixed on the body floor to ensure the safety of passengers. Generally, one end of a car seat that can be erected is hinged on the body floor, and the other end is fixed to the car body through a ground lock. On the body floor, after the ground lock is unlocked, the seat can be turned and erected with the hinge point, and the car seat is fixed on the floor when the ground lock is locked. Before turning upright, you need to adjust the recliner to turn the backrest frame to the seat cushion frame, which requires two steps of operation, and because the ground lock is generally located at the bottom of the seat cushion frame, it is difficult to unlock the ground lock in a crowded space in the car , often causing inconvenience in use.

Therefore, in order to solve the above problems, there is a need for a rear seat folding seat that can improve the convenience of unlocking the ground lock, which can automatically unlock the seat ground lock during the folding process after the backrest frame is unlocked, so as to improve the convenience of use and meet the requirements. consumer needs.

Utility model content

In view of this, the purpose of this utility model is to provide a rear seat folding seat that can improve the convenience of unlocking the ground lock, which can realize the automatic unlocking of the seat lock during the folding process after the backrest frame is unlocked, and improve the convenience of use , to meet the needs of consumers.

The folding rear seat of the utility model, which can improve the convenience of unlocking the ground lock, includes a backrest frame, a seat cushion frame rotatably connected with the backrest frame, and a ground lock arranged on the seat cushion frame; it also includes a ground lock for driving An unlocking mechanism for unlocking. The unlocking mechanism uses the power when the backrest frame turns to the seat cushion frame as the driving force for driving the ground lock to unlock.

Further, the unlocking mechanism includes a shifting block, a power plate and a cable, the shifting block is connected to the backrest frame and can rotate synchronously with the backrest frame, and the power plate is connected to the seat cushion frame through a rotating shaft and driven to rotate by the shifting block One end of the cable is connected to the unlocking block of the ground lock, and the other end is connected to the power plate, and the unlocking block is driven by the cable when the power plate rotates.

Further, the shifting block is connected to the power plate through a linkage plate; the linkage plate is rotatably connected to the seat cushion frame through a rotating shaft and arranged on the inner side of the power plate, and the edge of the power plate extends forward to form a The cable connection arm connected by the cable, the surface of the linkage plate in contact with the power plate extends vertically outwards to form a support arm for supporting the cable connection arm, and the contact surface of the support arm and the cable connection arm It is a power transmission surface, and when the linkage plate rotates backward, it drives the power plate to rotate backward to drive the unlocking block through the cable.

Further, the unlocking mechanism also includes a reset elastic member I for returning the forwardly rotating linkage plate to its original position; the surface of the power plate extends vertically outward to form a reset arm I, and the surface of the linkage plate is vertical The reset arm II is formed by extending outward, and one end of the reset elastic member I is connected to the reset arm I, and the other end is connected to the reset arm II.

Further, the unlocking mechanism also includes a fixed bracket and a reset elastic part II for returning the power plate rotating backward; The inner side of the board; the surface of the base plate extends vertically outwards to form a reset arm III, the surface of the power plate extends vertically outwards to form a reset arm IV, one end of the reset elastic part II is connected to the reset arm III, and the other end is connected to In reset arm IV.

Further, the return elastic member I and/or return elastic member II is a tension spring structure.

Further, the linkage plate is provided with a cylindrical column head, and the surface where the bottom end of the shifting block is in contact with the column body of the column head is an arc surface.

Further, the column head is arranged on the linkage plate in a manner that can rotate from its axis.

Further, the shifting block is in the shape of a plate, the upper end of the shifting block is fixed to the side plate of the backrest frame, and the cross-sectional area of the shifting block decreases gradually from top to bottom.

Further, the stay cable includes a steel wire rope and a casing sleeved on the steel wire rope, and the two ends of the steel wire rope are respectively provided with a first end joint for matching with the connecting arm of the stay cable and a second end joint for matching with the unlocking block. End joints, the two ends of the casing are respectively provided with a first sheath and a second sheath; the apertures of the first sheath and the second sheath are smaller than the diameter of the steel wire rope, so that the steel wire rope and the first sheath, There is an interference fit between the second sheaths; the outer surfaces of the first sheath and the second sheath are provided with annular grooves, and the lower edge of the bottom plate extends vertically outwards to form a sheath fixing plate I, and the seat The sheath fixing plate II is provided on the pad frame, and the sheath fixing plate I and the sheath fixing plate II are both provided with a U-shaped mouth that cooperates with the ring groove, and the mouth of the U-shaped mouth is a shrinking structure.

Beneficial effects of the utility model: the utility model can improve the convenience of unlocking the rear seat of the folding seat, because the unlocking structure is added, and the unlocking mechanism uses the power when the backrest frame rotates to the seat cushion frame as the driving ground lock. The driving force of unlocking can automatically unlock the seat lock during the folding process after the backrest frame is unlocked, which greatly improves the convenience of using the seat and meets the needs of consumers.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the first three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the second three-dimensional structure schematic diagram of the present utility model;

Fig. 3 is a schematic diagram of the connection between the unlocking mechanism of the present invention and the ground lock;

FIG. 4 is an enlarged schematic diagram of point A in FIG. 3 .

detailed description

Fig. 1 is a schematic diagram of the first three-dimensional structure of the present utility model, Fig. 2 is a schematic diagram of the second three-dimensional structure of the present utility model, Fig. 3 is a schematic diagram of the connection between the unlocking mechanism and the ground lock of the present utility model, and Fig. 4 is A in Fig. 3 Enlarge the schematic diagram, as shown in the figure: the rear seat folding seat that can improve the convenience of ground lock and unlocking in this embodiment includes a backrest frame 9, a seat cushion frame 8 that is rotatably connected to the backrest frame 9, and a seat that is located on the seat cushion frame 8. Ground lock 7; also includes an unlocking mechanism for driving the ground lock 7 to unlock, and the unlocking mechanism uses the power when the backrest frame 9 rotates to the seat cushion frame 8 as the driving force for driving the ground lock 7 to unlock; the backrest frame 9 There is a recliner 6 between the seat cushion frame 8, the recliner 6 realizes the angle adjustment of the backrest frame 9, and the connection between the backrest frame 9 and the seat cushion frame 8 can be unlocked through the recliner 6, so that the backrest When the frame 9 exerts a forward force (that is, toward the seat cushion frame 8), the backrest frame 9 can rotate toward the seat cushion frame 8, thereby completing the folding of the backrest frame 9; due to the addition of an unlocking structure, and the unlocking mechanism is based on the backrest frame 9 The power when the seat cushion frame 8 rotates is used as the driving force for driving the ground lock 7 to unlock, so the seat ground lock 7 can be automatically unlocked during the folding process after the backrest frame 9 is unlocked, which greatly improves the convenience of the seat use sex.

In this embodiment, the unlocking mechanism includes a shifting block 1, a power plate 2 and a cable 3, the shifting block 1 is connected to the backrest frame 9 and can rotate synchronously with the backrest frame 9, and the power plate 2 rotates through the rotating shaft 4 Connected to the seat cushion frame 8 and driven to rotate by the dial block 1, one end of the cable 3 is connected to the unlocking block 71 of the ground lock 7, and the other end is connected to the power plate 2, and the power plate 2 passes through the cable 3 when it rotates. Drive the unlocking block 71; the back frame 9 is provided with two left and right side plates 91, the recliner 6 is arranged on one side plate, and the shifting block 1 is connected to the other side plate; the seat cushion frame 8 is also provided with two left and right side plates 81 , the power plate 2 is set on the side plate on the same side as the shifting block 1; during the rotation of the power plate 2, the cable 3 is pulled, and the cable 3 is used as a torque transmission member between the power plate 2 and the unlocking block 71, which can be remotely controlled The unlocking of the ground lock 7; the shifting block 1 and the power plate 2 can be in direct contact, or can be driven through an intermediate component; the structure is simple, easy to implement, and the transmission is reliable.

In this embodiment, the shifting block 1 and the power board 2 are connected through a linkage plate 5; The edge of the plate 2 extends forward to form a cable connecting arm 21 for connecting with the cable 3, and the surface of the linkage plate 5 in contact with the power plate 2 extends vertically outwards to form a connecting arm 21 for supporting the cable. The supporting arm 51, the contact surface between the supporting arm 51 and the cable connecting arm 21 is a power transmission surface, and when the linkage plate 5 rotates backward, it drives the power plate 2 to rotate backward to drive the unlocking block 71 through the cable 3; The inner side is the side towards the center line of the seat; in the process of folding the backrest frame 9 forward (also can be regarded as the backrest frame 9 rotating clockwise), the shifting block 1 moves accordingly and drives the linkage plate 5 to rotate backward (also can be regarded as the backrest frame 9 rotating clockwise). It can be considered that the linkage plate 5 rotates counterclockwise), because the restraining effect of the support arm 51 on the cable connecting arm 21, the power plate 2 also rotates backward, and the cable connecting arm 21 pulls the cable 3 when it rotates; the structure is reasonable and compact , and has better motion performance, which is conducive to ensuring smooth control of the cable 3 .

In this embodiment, the unlocking mechanism also includes a reset elastic member I5a for returning the forwardly rotating linkage plate 5 to its original position; the surface of the power plate 2 extends vertically outward to form a reset arm I22, and the linkage The surface of the plate 5 extends vertically outwards to form a reset arm II52, one end of the reset elastic part I5a is connected to the reset arm I22, and the other end is connected to the reset arm II52; Rotate, now the linkage plate 5 rotates forward, the support arm 51 has no restraining effect on the cable connecting arm 21, so the power plate 2 will not rotate thereupon, and after the shift block 1 moves to the reset position, the linkage plate 5 is also elastically reset. Return to the original position under the action of part I5a; the reset arm I22 is integrally formed with the power plate 2, and the reset arm II52 is integrally formed with the linkage plate 5, which is conducive to improving the structural strength of the unlocking structure and prolonging the service life; the reset elastic part I5a is preferably a tension spring structure.

In this embodiment, the unlocking mechanism also includes a fixed bracket and a reset elastic part II2a for returning the power plate 2 rotating backward; the fixed bracket includes a bottom plate 61, and the bottom plate 61 is fixedly connected to the seat The pad skeleton 8 is arranged on the inner side of the linkage plate 5; the surface of the bottom plate 61 extends vertically outward to form a reset arm III 611, the surface of the power plate 2 extends vertically outward to form a reset arm IV 23, and the reset elastic member II 2a One end is connected to the reset arm III611, and the other end is connected to the reset arm IV23; the fixed bracket is conducive to the fixing of the power board 2, the linkage board 5 and the cable 3, and improves the compactness of the mechanism; the power board 2 is under the action of the reset elastic part II2a Return to the original position to improve the performance of the unlocking mechanism; the bottom plate 61 and the reset arm III 611 are integrally formed, which is conducive to improving the structural strength of the unlocking structure and prolonging the service life; the reset elastic member II2a is preferably a tension spring structure.

In this embodiment, the linkage plate 5 is provided with a cylindrical column head 53, and the surface where the bottom end of the shifting block 1 is in contact with the column body of the column head 53 is an arc surface; The upper end is used to contact the dial 1 to realize the power input of the unlocking mechanism; depending on the use status of the backrest frame 9, the dial 1 can be on both sides of the column head 53; during the movement of the dial 1, the column head 53 is gradually pressed and slides to the other side, so that the linkage plate 5 can move forward or backward; the bottom end of the shift block 1 is a circular arc surface, which can improve the smoothness of the transmission between the shift block 1 and the column head 53; in addition, the column head 53 is preferably automatically The shaft rotation mode is set on the linkage plate 5, which can further improve the smoothness of the transmission between the shifting block 1 and the column head 53, and prolong the service life of the unlocking mechanism; meanwhile, the shifting block 1 is plate-shaped, and the upper end of the shifting block 1 is fixed on The side plate of the backrest frame 9, and the cross-sectional area of the shifting block 1 gradually decreases from top to bottom, which is conducive to reducing material loss.

In this embodiment, the stay cable 3 includes a steel wire rope 31 and a sleeve 32 sleeved on the steel wire rope 31, and the two ends of the steel wire rope 31 are respectively provided with first end joints 33 for cooperating with the stay cable connecting arm 21 And the second end joint 34 used to cooperate with the unlocking block 71, the two ends of the sleeve 32 are respectively provided with a first sheath 35 and a second sheath 36; the first sheath 35 and the second sheath The aperture of the cover 36 is smaller than the diameter of the steel wire rope 31, so that the steel wire rope 31 is an interference fit with the first sheath 35 and the second sheath 36; the outer surfaces of the first sheath 35 and the second sheath 36 are provided with The ring groove, the lower edge of the bottom plate 61 extends vertically outward to form a sheath fixing plate I612, the seat cushion frame 8 is provided with a sheath fixing plate II82, and the sheath fixing plate I612 and the sheath fixing plate II82 are Both are provided with a U-shaped mouth that is matched and fixed with the ring groove, and the mouth of the U-shaped mouth is a necking structure; the first end joint 33 and the second end joint 34 can be hook or ring buckle structures, and the cable connecting arm 21 and the unlocking block 71 are provided with a corresponding connecting structure; the first sheath 35 and the second sheath 36 can be made of nitrile rubber, and are set in the cavities of the first sheath 35 and the second sheath 36 There are chamfers, and a grease layer is arranged in the chamfers to improve the waterproof and lubricating functions of the cable 3; The waterproof function is better, which can ensure the normal use of the pull cable 3 under low temperature and humidity conditions; in addition, in order to improve the anti-corrosion performance of the steel wire rope 31, the outer surface of the steel wire rope 31 is provided with a corrosion-resistant composite layer, and the corrosion-resistant composite layer is sequentially arranged from the inside to the outside The bottom layer, the middle layer and the outer layer, the bottom layer is a phosphating film layer, the middle layer is an electrophoretic paint film layer, the outer layer is a polyester paint film layer, the thickness of the bottom layer is 70μm-180μm, and the thickness of the middle layer is 60μm-150μm , the thickness of the outer layer is 60 μm-160 μm, thereby enhancing the corrosion resistance of the steel wire rope 31 in a harsh environment, and realizing the requirement for corrosion resistance in a harsh environment.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (10)

1. A rear seat folding seat that can improve the convenience of unlocking the ground lock, comprising a backrest frame, a seat cushion frame rotatably connected to the backrest frame, and a ground lock arranged on the seat cushion frame; it is characterized in that: it also includes a An unlocking mechanism that drives the ground lock to unlock. The unlocking mechanism uses the power when the backrest frame rotates toward the seat cushion frame as the driving force for driving the ground lock to unlock. 2. The rear seat folding seat that can improve the convenience of unlocking the ground lock according to claim 1, wherein the unlocking mechanism includes a shifting block, a power plate and a cable, and the shifting block is connected with the backrest frame and It can rotate synchronously with the backrest frame. The power plate is connected to the seat cushion frame through the rotating shaft and driven to rotate by the shift block. One end of the cable is connected with the unlocking block of the ground lock, and the other end is connected with the power plate. The unlocking block is driven by the cable when the plate is rotated. 3. The rear seat folding seat that can improve the convenience of ground lock and unlock according to claim 2, characterized in that: the shifting block and the power plate are connected through a linkage plate; the linkage plate is connected through a rotating shaft It is located on the inner side of the power plate on the seat cushion frame, the edge of the power plate extends forward to form a cable connecting arm for connecting with the cable, and the surface of the linkage plate in contact with the power plate extends vertically outward A support arm is formed for supporting the connecting arm of the cable. The contact surface between the support arm and the connecting arm of the cable is a power transmission surface. When the linkage plate rotates backward, it drives the power plate to rotate backward to unlock through the drive of the cable. Piece. 4. The rear seat folding seat that can improve the convenience of unlocking and unlocking the ground lock according to claim 3, wherein the unlocking mechanism further includes a return elastic member for returning the forwardly rotating linkage plate to its original position I; the surface of the power plate extends vertically outwards to form a reset arm I, the surface of the linkage plate extends vertically outwards to form a reset arm II, one end of the reset elastic member I is connected to the reset arm I, and the other end is connected to on reset arm II. 5. The rear seat folding seat that can improve the convenience of ground lock and unlock according to claim 4, characterized in that: the unlocking mechanism also includes a fixed bracket and a power plate for returning to the original position when rotating backward. Reset elastic part II; the fixed bracket includes a bottom plate, which is fixedly connected to the seat cushion frame and arranged on the inner side of the linkage plate; the surface of the bottom plate extends vertically outward to form a reset arm III, and the surface of the power plate is vertical The reset arm IV is formed by extending outward, and one end of the reset elastic member II is connected to the reset arm III, and the other end is connected to the reset arm IV. 6 . The foldable rear seat that can improve the convenience of ground lock and unlock according to claim 5 , wherein the return elastic member I and/or return elastic member II is a tension spring structure. 7 . 7. The rear seat folding seat that can improve the convenience of unlocking and unlocking the ground lock according to claim 5, characterized in that: the linkage plate is provided with a cylindrical column head, and the bottom end of the shift block is connected to the column of the column head. The surface that the body fits in contact with is an arc surface. 8 . The foldable rear seat that can improve the convenience of ground locking and unlocking according to claim 7 , wherein the column head is arranged on the linkage plate in a manner that can rotate from its axis. 9 . 9. The rear seat folding seat that can improve the convenience of ground lock and unlock according to claim 5, characterized in that: the shift block is plate-shaped, the upper end of the shift block is fixed on the side plate of the backrest frame, and the shift block The cross-sectional area decreases gradually from top to bottom. 10. The rear seat folding seat that can improve the convenience of unlocking and unlocking the ground lock according to claim 5, wherein the cable includes a steel wire rope and a sleeve sleeve on the steel wire rope, and the two ends of the steel wire rope are respectively A first end joint for cooperating with the connecting arm of the cable and a second end joint for cooperating with the unlocking block are provided, and the two ends of the sleeve are respectively provided with a first sheath and a second sheath; The apertures of the first sheath and the second sheath are smaller than the diameter of the steel wire rope, so that the wire rope is an interference fit with the first sheath and the second sheath; the outer surfaces of the first sheath and the second sheath are both A ring groove is provided, and the lower edge of the bottom plate extends vertically outward to form a sheath fixing plate I, and the seat cushion frame is provided with a sheath fixing plate II, and the sheath fixing plate I and the sheath fixing plate II are All are provided with a U-shaped mouth that is fixed with the ring groove, and the mouth of the U-shaped mouth is a shrinking structure.