Recombined seat capable of being seated front and back

Abstract

According to the recombined seat capable of being seated front and back, the seat cushion is kept still, the backrest is connected with the seat cushion through the connecting rod, the backrest rotates around the seat cushion to complete switching of the front sitting direction and the rear sitting direction, the backrest rotates forwards or backwards to the corresponding position, and therefore the seat can be used for sitting back and forth. The backrest adopts the connecting rod to control the rotation direction and keep the stability of the backrest at the same time, the ground lock is matched to lock the backrest when rotating to the corresponding position, and meanwhile, the backrest angle adjuster is used for correspondingly adjusting the angle of the backrest; compared with horizontal rotation of a traditional rotary table, more space is saved, limitation of the space of a vehicle body is avoided, and meanwhile the structure composed of the upper connecting rod, the lower connecting rod and the ground lock is more stable compared with the rotary table.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle seats, and particularly relates to a reconfigurable seat that can be used for front and rear seating. Background Art

[0002] At present, with the public's demand for diversified functions of the in-vehicle space, the term "variable space" has become a hot topic among car owners. Various vehicle seats for dealing with the "variable space" have also become the mainstream demand. Although the middle-row vehicle seats can be rotated backward at present, most of them adopt a split seat combined with a turntable structure. Limited by the in-vehicle space and with relatively weak turntable strength, it is more difficult to achieve left and right integrated seats. Content of the Utility Model

[0003] The utility model provides a reconfigurable seat that can be used for front and rear seating. By rotating the backrest forward or backward to the corresponding position, the same seat can be used for front seating and rear seating. The backrest uses a connecting rod to control the rotation direction while maintaining the stability of the backrest. A floor lock is used to lock the backrest when it rotates to the corresponding position, and at the same time, a backrest angle adjuster is used to make corresponding adjustments to the backrest angle. The aim is to solve the problems raised in the background art.

[0004] The utility model is realized as follows. A reconfigurable seat that can be used for front and rear seating includes a backrest frame, a seat cushion frame, an angle adjuster assembly, a right angle adjuster lower plate and floor lock assembly, a left angle adjuster lower plate and floor lock assembly, a backrest rotation lower connecting rod, and a backrest rotation upper connecting rod;

[0005] The backrest frame is connected to the angle adjuster assembly. The left angle adjuster lower plate and floor lock assembly and the right angle adjuster lower plate and floor lock assembly are symmetrically arranged on both sides of the angle adjuster assembly. The backrest rotation lower connecting rod and the backrest rotation upper connecting rod are connected to both the right angle adjuster lower plate and floor lock assembly and the left angle adjuster lower plate and floor lock assembly, and the backrest rotation lower connecting rod and the backrest rotation upper connecting rod are connected to the seat cushion frame;

[0006] The left angle adjuster lower plate and floor lock assembly includes a lock body housing, a return spring, a reinforcing rod, a lock tongue rotation bolt, a lock tongue, and an unlocking pull rope. The unlocking pull rope is connected to the lock tongue. The lock tongue can rotate around the lock tongue rotation bolt to realize the opening and closing of the lock tongue, and the return spring is used for the reset of the lock tongue.

[0007] Preferably, the backrest frame and the seat cushion frame are connected by two groups of the backrest rotation lower connecting rod and the backrest rotation upper connecting rod.

[0008] Preferably, it further includes a front floor lock lock post and a rear floor lock lock post. Floor locks are arranged on both the backrest frame and the seat cushion frame, and the floor locks cooperate with the front floor lock lock post and the rear floor lock lock post to realize the locking function.

[0009] Preferably, the angle adjuster assembly is arranged on both sides of the bottom end of the backrest frame, and the backrest of the seat is adjusted by the angle adjuster assembly.

[0010] Preferably, the return spring is used to drive the locking tongue to rotate around the rotating bolt of the locking tongue to realize the return locking of the locking tongue.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] For the front and rear seating seats used in the present utility model, because their structures are different from traditional seats, the seat cushion remains stationary, the backrest is connected to the seat cushion by a connecting rod, and the backrest rotates around the seat cushion to complete the switching of the front and rear seating directions. By rotating the backrest forward or backward to the corresponding position, the same seat can be used for seating both in the front and in the back. The backrest uses a connecting rod to control the rotation direction while maintaining the stability of the backrest. The ground lock is used to lock the backrest when it rotates to the corresponding position, and at the same time, a backrest angle adjuster is used to make corresponding adjustments to the backrest angle. Compared with the traditional horizontal rotation of the turntable, it saves more space, is no longer restricted by the vehicle body space, and the structure composed of the upper and lower connecting rods and the ground lock is also more stable than the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an exploded three-dimensional view of the overall structure of the present utility model;

[0014] Figure 2 is a three-dimensional view of the overall structure of the present utility model;

[0015] Figure 3 is a front view of the overall structure of the present utility model;

[0016] Figure 4 is a three-dimensional view of the overall structure of the present utility model in the posture where the backrest rotates to the front end of the seat cushion;

[0017] Figure 5 is a front view of the overall structure of the present utility model in the posture where the backrest rotates to the front end of the seat cushion;

[0018] Figure 6 is an exploded three-dimensional view of the left angle adjuster lower plate and ground lock assembly in the present utility model;

[0019] Figure 7 is a schematic diagram of the overall structure of the seat backrest of the present utility model located at the rear end of the seat cushion;

[0020] Figure 8 is a schematic diagram of the overall structure of the seat backrest of the present utility model located at the front end of the seat cushion.

[0021] In the figure:

[0022] 1. Backrest frame; 2. Seat cushion frame; 3. Angle adjuster assembly; 4. Right angle adjuster lower plate and ground lock assembly; 5. Left angle adjuster lower plate and ground lock assembly; 6. Front end ground lock locking post; 7. Rear end ground lock locking post; 8. Lower connecting rod for backrest rotation; 9. Upper connecting rod for backrest rotation; 101. Lock body housing; 102. Return spring; 103. Reinforcing rod; 104. Lock tongue rotating bolt; 105. Lock tongue; 106. Unlocking pull rope. Detailed implementation manners

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model.

[0024] The components of the embodiments of the present utility model usually described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model.

[0025] All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "mounted", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] Please refer to Figures 1 to 8, the present utility model provides a technical solution: a reconfigurable seat for front and rear seating, including a backrest frame 1, a seat cushion frame 2, an angle adjuster assembly 3, a right side angle adjuster lower plate and floor lock assembly 4, a left side angle adjuster lower plate and floor lock assembly 5, a front end floor lock locking post 6, a rear end floor lock locking post 7, a backrest rotating lower link 8, and a backrest rotating upper link 9;

[0029] The left side angle adjuster lower plate and floor lock assembly 5 includes a lock body housing 101, a return spring 102, a reinforcing rod 103, a lock tongue rotating bolt 104, a lock tongue 105, and an unlocking pull rope 106. Among them, the left side angle adjuster lower plate and floor lock assembly 5 and the right side angle adjuster lower plate and floor lock assembly 4 are symmetrically arranged on both sides of the angle adjuster assembly 3;

[0030] When the seat is in the designed position, the backrest frame 1 is located at the rear end of the seat cushion frame 2, the backrest rotating lower link 8 and the backrest rotating upper link 9 are inclined backward, the right side angle adjuster lower plate and floor lock assembly 4 and the left side angle adjuster lower plate and floor lock assembly 5 are locked to the rear end floor lock locking post 7, and at the same time, the angle adjuster assembly 3 controls the backrest frame 1 to tilt backward. At this time, people can sit on the seat from the front end, which is also the normal sitting direction of a car seat; if it is necessary to sit on the seat from the rear end, it is necessary to rotate the backrest frame 1 to the front end of the seat cushion frame 2. The backrest rotating lower link 8 and the backrest rotating upper link 9 control the backrest frame 1 to rotate to the front end of the seat cushion frame 2. The right side angle adjuster lower plate and floor lock assembly 4 and the left side angle adjuster lower plate and floor lock assembly 5 are locked to the front end floor lock locking post 6, and at the same time, the angle adjuster assembly 3 controls the backrest frame 1 to tilt forward. At this time, the seat can be sat on from the rear end; if it is necessary to restore to sitting from the front end, the reverse operation can be performed;

[0031] When it is necessary to move the backrest frame 1 to the front end or the rear end of the seat cushion frame 2, pull the unlocking pull rope 106. The unlocking pull rope 106 drives the lock tongue 105 to unlock around the lock tongue rotating bolt 104. At this time, the backrest frame 1 can be rotated; when it is rotated to the required position, release the unlocking pull rope 106, and the return spring 102 drives the lock tongue 105 to close around the lock tongue rotating bolt 104. At this time, the backrest is locked.

[0032] For the front and rear seating seat used in this utility model, because its structure is different from that of a traditional seat, the seat cushion remains stationary, the backrest is connected to the seat cushion through a connecting rod, and the backrest rotates around the seat cushion to complete the switching of the front and rear seating directions. Compared with the traditional horizontal rotation of a turntable, it saves more space and is no longer restricted by the vehicle body space. At the same time, the structure composed of the upper and lower connecting rods and the floor lock is also more stable than that of a turntable.

[0033] Working principle and usage process of the present utility model: When the seat is in the designed position, the backrest frame 1 is located at the rear end of the seat cushion frame 2, the lower backrest rotation link 8 and the upper backrest rotation link 9 are tilted backward, the right angle adjuster lower plate and ground lock assembly 4 and the left angle adjuster lower plate and ground lock assembly 5 are locked to the rear ground lock locking post 7. At the same time, the angle adjuster assembly 3 controls the backrest frame 1 to tilt backward. At this time, people can sit on the seat from the front end, which is also the sitting direction of a normal car seat. If it is necessary to sit on the seat from the rear end, it is necessary to rotate the backrest frame 1 to the front end of the seat cushion frame 2. The lower backrest rotation link 8 and the upper backrest rotation link 9 control the backrest frame 1 to rotate to the front end of the seat cushion frame 2. The right angle adjuster lower plate and ground lock assembly 4 and the left angle adjuster lower plate and ground lock assembly 5 are locked to the front ground lock locking post 6. At the same time, the angle adjuster assembly 3 controls the backrest frame 1 to tilt forward. At this time, the seat can be sat on from the rear end. If it is necessary to restore to sitting from the front end, the reverse operation can be performed. When it is necessary to move the backrest frame 1 to the front end or the rear end of the seat cushion frame 2, pull the unlocking pull rope 106. The unlocking pull rope 106 drives the locking tongue 105 to rotate around the locking tongue rotation bolt 104 to unlock. At this time, the backrest frame 1 can be rotated. When it rotates to the required position, release the unlocking pull rope 106. The return spring 102 drives the locking tongue 105 to rotate around the locking tongue rotation bolt 104 to close. At this time, the backrest is locked.

[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A reconfigurable seat for front and rear passengers, characterized in that: It comprises a backrest frame (1), a seat cushion frame (2), a recliner assembly (3), a right recliner lower plate and ground lock assembly (4), a left recliner lower plate and ground lock assembly (5), a backrest rotation lower connecting rod (8) and a backrest rotation upper connecting rod (9); The backrest frame (1) is connected to the recliner assembly (3), and the left and right sides of the recliner assembly (3) are symmetrically provided with a left recliner lower plate and ground lock assembly (5) and a right recliner lower plate and ground lock assembly (4), and the right recliner lower plate and ground lock assembly (4) and the left recliner lower plate and ground lock assembly (5) are both connected with a backrest rotation lower connecting rod (8) and a backrest rotation upper connecting rod (9), and the backrest rotation lower connecting rod (8) and the backrest rotation upper connecting rod (9) are connected to the seat cushion frame (2); The left angle adjuster lower plate and ground lock assembly (5) comprises a lock body shell (101), a reset spring (102), a reinforcing rod (103), a lock tongue rotating bolt (104), a lock tongue (105) and an unlocking pull rope (106); the unlocking pull rope (106) is connected to the lock tongue (105); the lock tongue (105) can rotate around the lock tongue rotating bolt (104) to realize the opening and closing of the lock tongue (105); and the reset spring (102) is used for resetting the lock tongue (105).

2. A reconfigurable seat for front and rear seating according to claim 1, characterized in that: The backrest frame (1) and the seat cushion frame (2) are connected via two sets of backrest rotation lower connecting rods (8) and backrest rotation upper connecting rods (9).

3. The reconfigurable seat for front and rear passengers according to claim 1, characterized in that: It also comprises a front ground lock column (6) and a rear ground lock column (7); a ground lock is provided on the backrest frame (1); the ground lock cooperates with the front ground lock column (6) and the rear ground lock column (7) to realize a locking function.

4. The reconfigurable seat for front and rear passengers according to claim 1, characterized in that: The angle adjuster assembly (3) is arranged on both sides of the bottom end of the backrest frame (1), and the backrest angle of the seat is adjusted through the angle adjuster assembly (3).

5. The reconfigurable seat for front and rear passengers according to claim 1, characterized in that: The reset spring (102) is used to drive the lock tongue (105) to rotate around the lock tongue rotating bolt (104) to achieve reset and locking of the lock tongue (105).

Images