Seat turnover device and vehicle

Abstract

The utility model provides a kind of seat turnover device and vehicle, the utility model discloses seat turnover device relates to vehicle seat technical field, its first driving part is connected with backrest framework transmission, and backrest framework can be driven to turn over to the top of seat cushion framework, first locking portion can lock the rear portion of seat cushion framework on floor, second driving part is connected with seat cushion framework transmission, after first locking portion removes the locking of seat cushion framework, second driving part drives seat cushion framework, seat cushion framework can drive backrest framework that turns over to its top together with turning over to vertical state, second locking portion is used to lock the seat cushion framework of vertical state on floor.The utility model discloses seat turnover device, electric turning over of backrest framework and electric turning over of seat cushion framework can be realized, the seat cushion framework of vertical state is locked, can guarantee the stability reliability after seat turning over.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle seat technical field, especially seat turnover device. BACKGROUND

[0002] With the rapid development of the automobile industry and the improvement of people's living standards, the functionality and convenience of the automobile seat and the requirement of the trunk space are continuously improved, and the folding mechanism for driving the seat to turn over emerges as the times require.

[0003] The current seat turnover device is mostly manually completed backrest rotation, and then the seat cushion is rotated under the help of spring or hydraulic rod. The following problems exist in this structure by taking the rear seat as an example:

[0004] I. In the operation process, the backrest needs to be unlocked, and the backrest is rotated above the seat cushion, then the seat cushion is unlocked, and the seat cushion and the backrest are turned over to the vertical state together, and finally the seat cushion is fixed with the front seat by using the pull belt. The operation process is relatively complicated, time-consuming and labor-intensive.

[0005] II. Since the seat belt is fixed with the front seat, the pull belt and the front seat are non-rigidly connected, and there is a large shaking space. Under the bumpy road condition, there is a large risk of abnormal noise. INVENTION CONTENTS

[0006] Therefore, the utility model aims at providing a seat turnover device, which realizes the automatic turnover of the seat and is beneficial to maintaining the stability of the turned-over seat.

[0007] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0008] A seat turnover device, comprising a first driving part arranged on the backrest framework of a seat, a first locking part arranged at the rear part of the seat cushion framework of the seat, and a second driving part and a second locking part arranged at the front part of the seat cushion framework;

[0009] The first driving part is in transmission connection with the backrest framework and can drive the backrest framework to turn over above the seat cushion framework;

[0010] The first locking part can lock the rear part of the seat cushion framework on the base;

[0011] The second driving part is in transmission connection with the seat cushion framework, after the first locking part releases the locking of the rear part of the seat cushion framework, the second driving part drives the seat cushion framework to turn over above the seat cushion framework together with the backrest framework to the vertical state, and the second locking part is used for locking the seat cushion framework in the vertical state on the base.

[0012] Further, an unlocking mechanism is arranged on the seat cushion framework, and the unlocking mechanism is in transmission connection with the first locking part and the second locking part respectively; the first locking part can be unlocked from locking the rear part of the seat cushion framework, and the second locking part can be unlocked from locking the seat cushion framework in the vertical state.

[0013] Further, the unlocking mechanism comprises a third driving part arranged on the seat cushion framework, a first transmission part in transmission connection between the third driving part and the first locking part, and a second transmission part in transmission connection between the third driving part and the second locking part.

[0014] Further, the first transmission part and the second transmission part are both in the form of a pull wire.

[0015] Further, the first locking part is in the form of a plurality of parts arranged on the rear part of the seat cushion framework, and the plurality of first locking parts are arranged at intervals along the overturning shaft of the backrest framework, and the plurality of first locking parts are in transmission connection with the unlocking mechanism respectively.

[0016] Further, a first mounting bracket corresponding to each first locking part is arranged on the seat cushion framework, the first locking part is rotatably arranged on the corresponding first mounting bracket, and a first reset member is arranged between the corresponding first locking part and the first mounting bracket; the first reset member is energized in the process that the unlocking mechanism drives the first locking part to unlock the seat cushion framework, and the first reset member is released to drive the first locking part to reset.

[0017] Further, a second mounting bracket is fixedly arranged on the seat cushion framework, the second locking part is rotatably arranged on the second mounting bracket, and a second reset member is arranged between the second locking part and the second mounting bracket; the second reset member is energized in the process that the unlocking mechanism drives the second locking part to unlock the seat cushion framework, and the second reset member is released to drive the second locking part to reset.

[0018] Further, the second locking part is arranged at the middle part of the seat cushion framework along the overturning shaft of the seat cushion framework.

[0019] Further, the second driving part is in transmission connection with the seat cushion framework through a third transmission part, and a guide structure is arranged between the base and the seat cushion framework; the guide structure can guide the overturning of the seat cushion framework relative to the base in the process that the second driving part drives the third transmission part to move.

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] The seat turnover device can realize automatic turnover of the backrest framework and the seat cushion framework, and the seat cushion framework in the vertical state is locked, so that the stability and reliability of the seat after turnover are ensured.

[0022] In addition, by adding the unlocking mechanism, the first locking part and the second locking part are conveniently unlocked, the third driving part, the first transmission part and the second transmission part are arranged, the two share a power source, the cost is lower, the weight is lighter, the arrangement is convenient, and the design of the seat turnover device is made more automatic and efficient, the user does not need to manually unlock the seat cushion framework, the convenience of use can be improved, and the overall performance and user experience of the seat turnover device can be further improved.

[0023] In addition, the first locking part is designed as a plurality of first locking parts, and the first locking parts are arranged at intervals along the turnover axis of the backrest framework, so that the stability and reliability of the locking of the seat cushion framework are significantly improved.

[0024] In addition, the second mounting frame is arranged, so that the second locking part and the second reset member are conveniently arranged, the second reset member is added, the second locking part can be automatically reset after unlocking without additional manual operation.

[0025] Another purpose of the utility model lies in providing a vehicle, wherein the vehicle is provided with the seat turnover device as described above.

[0026] The vehicle can realize automatic turnover of the backrest framework and the seat cushion framework, and the seat cushion framework in the vertical state is locked, so that the stability and reliability of the seat after turnover are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0027] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:

[0028] Figure 1 Structure schematic view of the seat turnover device in application state according to the first embodiment of the present application;

[0029] Figure 2 Structure schematic view of the seat cushion mounting frame according to the first embodiment of the present application;

[0030] Figure 3 Structure schematic view of the seat cushion framework according to the first embodiment of the present application;

[0031] Figure 4 Structure schematic view of the backrest framework according to the first embodiment of the present application; Figure 3 Structure schematic view of the backrest framework and the seat cushion framework in the structure shown in another view;

[0032] Figure 5 Structure schematic view of the backrest framework and the seat cushion framework in the structure shown in another view;

[0033] Figure 6 Structure schematic view of the backrest framework and the seat cushion framework in the structure shown in another view; Figure 1 Structure schematic view of the backrest framework and the seat cushion framework in the structure shown in another view.

[0034] Mark explanation:

[0035] 1, seat; 2, first driving part; 3, second driving part; 4, first locking part; 5, second locking part; 6, third driving part; 7, first transmission part; 8, second transmission part; 9, first mounting frame; 11, second mounting frame; 13, guide structure; 14, third transmission part; 15, seat cushion mounting frame;

[0036] 101, seat cushion framework; 1011, second mounting plate; 102, backrest framework; 1021, driving shaft;

[0037] 401, first locking rod; 402, first fixed plate;

[0038] 501, second locking rod; 502, second fixed plate;

[0039] 1501, first mounting plate; 1502, connecting shaft;

[0040] 1401, fan-shaped gear. DETAILED DESCRIPTION

[0041] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0042] In the description of the utility model, it is necessary to explain that, based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as a limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] In addition, in the description of the utility model, unless otherwise expressly limited, the terms "mounting", "connection", "connection", "connector" should be broadly understood. For example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood in combination with the specific situation.

[0044] In the drawings of the utility model, the front and rear direction is the front and rear direction of the vehicle, usually refers to the length direction of the vehicle, the left and right direction is the left and right direction of the vehicle, usually refers to the width direction of the vehicle, the up and down direction is the height direction of the vehicle, in the drawings: the arrow points to the head of the vehicle, the arrow points to the tail of the vehicle, the arrow points to the top of the vehicle, the arrow points to the bottom of the vehicle. Sitting in the driving position facing the head direction, the side where the left hand is located is the left side, and the side where the right hand is located is the right side, the arrow left points to the left side of the vehicle, and the arrow right points to the right side of the vehicle. The terms "inner" and "outer" are relative, wherein "inner" refers to the internal space of the vehicle, and "outer" refers to the body outside, that is, the position away from the internal space of the vehicle.

[0045] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0046] Embodiment one

[0047] The embodiment relates to a seat turnover device which can realize automatic turnover of a backrest and automatic turnover of a seat 1, and can guarantee the stability when the seat 1 is turned to a vertical state, and has better practicability.

[0048] Based on the above design idea, an exemplary structure of the seat turnover device of the embodiment is shown in Figure 1 and Figure 6 which is mainly used for driving the seat 1 to turn over. Overall structure, the seat turnover device of the embodiment mainly comprises a first driving part 2, a second driving part 3, a first locking part 4 and a second locking part 5.

[0049] In order to better understand the seat 1 of the embodiment, first refer to Figure 1 , Figures 3 to 6Briefly describe the structure of the seat 1, the seat 1 mainly comprises a seat framework and a seat cushion arranged on the seat framework, since the seat framework is the basic structure of the seat 1, driving the seat framework to act can control the whole seat 1 to act.

[0050] Wherein, the seat framework mainly comprises a seat cushion framework 101 and a backrest framework 102, wherein the front lower part of the seat cushion framework 101 is pivoted on the base, and the rear lower part of the seat cushion framework 101 is locked on the base through the first locking part 4 described below, the connection structure between the backrest framework 102 and the seat cushion framework 101 can refer to the existing structure, for example, the existing electric angle adjuster, the installation mode can still refer to the prior art, and the embodiment will not be described in detail.

[0051] It should be noted that the seat turnover device of the embodiment is particularly suitable for driving the rear seat 1 of the vehicle to overturn, so as to increase the space at the rear of the vehicle, and it should be understood that if the front part of the front seat is also pivoted on the base, the seat turnover device of the embodiment can also be applied.

[0052] Specifically, still refer to the seat turnover device of the embodiment shown in Figure 1 and Figure 6 The first driving part 2 is arranged on the backrest framework 102 of the seat 1, and specifically, the motor for driving the backrest framework 102 to overturn on the existing seat 1 can be used, the motor is in transmission connection with the driving shaft 1021 shown in Figure 5 , and the backrest framework 102 can be driven to overturn through the driving shaft 1021 on both sides of the angle adjuster. The connection mode between the seat framework 101 and the backrest framework 102, and the structure for driving the backrest framework 102 to rotate relative to the seat framework 101 can all refer to the existing structure.

[0053] The second driving part 3, the first locking part 4 and the second locking part 5 are arranged on the seat cushion framework 101 of the seat 1. And the second driving part 3 and the second locking part 5 are arranged on the front lower part of the seat cushion framework 101, and the first locking part 4 is arranged on the rear lower part of the seat cushion framework 101.

[0054] Wherein, the first driving part 2 is in transmission connection with the backrest framework 102, the second driving part 3 is in transmission connection with the seat cushion framework 101, the first locking part 4 can lock the seat cushion framework 101 on the base, and specifically, when the seat 1 is in the seatable seating position, the first locking part 4 locks the rear part of the seat cushion framework 101 on the base.

[0055] The first driving part 2 can drive the backrest frame 102 to turn over the cushion frame 101, and after the first locking part 4 releases the locking of the cushion frame 101, the second driving part 3 drives the cushion frame 101, and the cushion frame 101 can drive the backrest frame 102 turned over the cushion frame 101 to turn over forward to the vertical state, and the second locking part 5 is used to lock the cushion frame 101 in the vertical state on the base. Here, the forward turning refers to the front of the seat 1, that is, the direction of the face when a person sits on the seat 1 and leans back on the backrest frame 102.

[0056] The seat turning device of the embodiment can drive the backrest frame 102 to turn over the cushion frame 101 through the first driving part 2, and the first locking part 4 can lock the cushion frame 101 on the base, and after the first locking part 4 releases the locking of the cushion frame 101, the second driving part 3 can drive the cushion frame 101, and the second locking part 5 can lock the cushion frame 101 in the vertical state on the base to keep the stability and reliability of the cushion frame 101 when turning over to the vertical state.

[0057] When the existing seat 1 is adjusted from the folding position in the vertical state to the sitting position, the cushion needs to be rotated backward to make the first locking part 4 complete the locking action like the existing floor lock, which will exert force on the coil spring or hydraulic rod, and the rubber pad of the floor lock also needs to be pressed, and the locking process is relatively laborious, and it is not very friendly to the old, women, children and small children.

[0058] Therefore, as shown in Figure 3 and Figure 4 as a preferred embodiment, the seat turning device of the embodiment further comprises an unlocking mechanism arranged on the cushion frame 101, and the unlocking mechanism is in transmission connection with the first locking part 4 and the second locking part 5. Under the driving of the unlocking mechanism, the first locking part 4 can release the locking of the rear part of the cushion frame 101, and the second locking part 5 can release the locking of the cushion frame 101 in the vertical state.

[0059] In the preferred embodiment, the unlocking mechanism comprises a third driving part 6 arranged on the cushion frame 101 and a first transmission part 7, and the first transmission part 7 is in transmission connection between the third driving part 6 and the first locking part 4, and the third driving part 6 drives the first transmission part 7 to release the locking of the cushion frame 101 by the first locking part 4.

[0060] Here, by adding the third driving part 6 and the first transmission part 7, the design of the seat turnover device becomes more automatic and efficient, and the user does not need to manually unlock the seat cushion framework 101, and only needs to start the first driving part 2, the second driving part 3 and the third driving part 6 to realize the turnover action of the seat 1, which not only improves the convenience of use, but also further improves the overall performance of the seat turnover device and the user experience.

[0061] For example, the third driving part 6 is an existing electric actuator, the first transmission part 7 adopts a pull wire, and the first locking part 4 adopts an existing floor lock. One end of the pull wire is connected with the electric actuator, and the other end is connected with the unlocking mechanism of the floor lock.

[0062] When the seat 1 is in the riding position, the first locking part 4 is in the locked state, and when the third driving part 6 drives the first transmission part 7 to pull the unlocking end of the first locking part 4, the first locking part 4 can be in the unlocked state. At this time, the second driving part 3 mentioned above can drive the seat cushion framework 101 to overturn, and the seat cushion framework 101 will drive the backrest framework 102 connected thereto to overturn together.

[0063] As shown in Figure 3 and Figure 4 As a preferred embodiment, the seat turnover device of the present embodiment further comprises a second transmission part 8 transmissionally connected between the third driving part 6 and the second locking part 5. The third driving part 6 drives the second transmission part 8, which can drive the second locking part 5 to release the locking of the seat cushion framework 101. In the present embodiment, the second transmission part 8 still adopts a pull wire, one end of which is connected with the third driving part 6, and the other end is connected with the unlocking part of the second locking part 5.

[0064] The second transmission part 8 provided herein realizes the unlocking action when the seat cushion framework 101 is in the vertical state, and the power source of the second transmission part 8 still adopts the third driving part 6, without the need to increase a new power source, thereby reducing the cost and weight of the seat turnover device.

[0065] In order to facilitate the locking of the seat cushion framework 101 in the vertical state, as shown in Figure 2 The base is provided with a second locking matching part matched with the second locking part 5. Specifically, the second locking matching part comprises two second fixed plates 502 and a second locking rod 501 connected between the two second fixed plates 502. The two second fixed plates 502 are arranged orthogonally to the overturning axis of the backrest framework 102, and the second locking rod 501 extends along the overturning axis of the backrest framework 102.

[0066] It should be noted that the third driving part 6 of the present embodiment is specifically installed at the lower part of the seat cushion framework 101 and located within the triangular area formed by the connection line of the two first locking parts 4 and the second locking part 5, facilitating the arrangement of the first transmission part 7 and the second transmission part 8.

[0067] In a preferred embodiment, there are multiple first locking parts 4 located at the rear of the seat cushion frame 101, and the multiple first locking parts 4 are arranged at intervals along the axial rotation direction of the backrest frame 102. Here, by designing multiple first locking parts 4 and arranging these first locking parts 4 at intervals along the axial rotation direction of the backrest frame 102, the stability and reliability of locking the seat cushion frame 101 are significantly improved.

[0068] like Figure 2 As shown, the base is provided with a first locking engagement part corresponding to each first locking part 4. Specifically, each first locking engagement part includes two first fixing plates 402 and a first locking rod 401 connected between the two first fixing plates 402. The two first fixing plates 402 are arranged orthogonally to the flipping axis of the backrest frame 102, and the first locking rod 401 extends along the flipping axis of the backrest frame 102.

[0069] In a preferred embodiment, the seat frame 101 is provided with a first mounting bracket 9 corresponding to each first locking part 4. The first locking part 4 is rotatably mounted on the corresponding first mounting bracket 9, and a first reset member is provided between the corresponding first locking part 4 and the first mounting bracket 9.

[0070] It should be noted that, in actual implementation, the first mounting bracket 9, the first locking part 4 and the first resetting part are integrated into a single structure and are mounted on the seat cushion frame 101 via the first mounting bracket 9. The first resetting part can be a tension spring, a torsion spring, etc.

[0071] Specifically, during the process of the first transmission unit 7 driving the first locking part 4 to unlock the seat cushion frame 101, the first reset member stores energy; the release of energy by the first reset member can drive the first locking part 4 to reset, and the first locking part 4 can hook and connect with the first locking engagement part on the base, so that the seat cushion frame 101 is locked on the base.

[0072] Here, by setting the first mounting bracket 9, it is easy to arrange the first locking part 4 and the first reset member. The introduction of the first reset member enables the first locking part 4 to automatically reset after unlocking, without the need for additional manual operation.

[0073] Specifically, before the seat cushion frame 101 flips from a vertical state to a horizontal state, the third drive unit 6 drives the first transmission unit 7 to keep the first locking part 4 in the unlocked state. At this time, the first reset member stores energy. When flipping to the horizontal state, the third drive unit 6 stops driving the first transmission unit 7, and the first locking part 4 can return to the locked state under the force of the first reset member releasing energy. At this time, the first locking part 4 is hooked on the first locking rod 401 like a lock hook, so that the seat cushion frame 101 is locked on the base.

[0074] As a preferred implementation method, such asFigure 4 As shown, the second mounting bracket 11 is fixed on the seat cushion framework 101, the second locking part 5 is rotatably arranged on the second mounting bracket 11, and the second reset part is arranged between the second locking part 5 and the second mounting bracket 11. Specifically, the second mounting bracket 11, the second locking part 5 and the second reset part can be integrated into an integral structure, and specifically, an existing lock body can be used, which is mounted on the seat cushion framework 101 through the second mounting bracket 11, and the second reset part can be a tension spring, a torsion spring or the like.

[0075] In the process of the second transmission part 8 driving the second locking part 5 to release the locking of the seat cushion framework 101, the second reset part stores energy, and the energy release of the second reset part can drive the second locking part 5 to reset. The second locking part 5 can be hooked and connected with the second locking matching part on the base, so as to lock the seat cushion framework 101 in the vertical state on the base.

[0076] In the above structure, the second mounting bracket 11 is arranged, which can facilitate the arrangement of the second locking part 5 and the second reset part, and the second reset part is added. Without additional operation, the second locking part 5 can be automatically reset after unlocking, and the operation mode is simple and convenient.

[0077] It should be noted that in the seat turnover device of the embodiment, when the seat 1 is in the sitting position, the second locking part 5 is in the unlocked state. Before the seat cushion framework 101 is turned to the vertical state, the third driving part 6 can drive the second transmission part 8 to make the second locking part 5 like a lock hook in the unlocked state, and the second reset part stores energy. When the seat cushion framework 101 is turned to the vertical state, the third driving part 6 stops driving the second transmission part 8. Under the driving of the force generated by the energy release of the second reset part, the second locking part 5 is hooked on the second locking rod 501, so that the seat cushion framework in the vertical state is locked on the base.

[0078] It should be noted that in the foregoing embodiments, the first transmission part 7 and the second transmission part 8 both adopt a pull wire, which is convenient for sharing a power source, and facilitates overall arrangement, so that the overall structure operation is more simple. It should be understood that in addition to the pull wire, the first transmission part 7 and the second transmission part 8 can also adopt a pull belt, which is also feasible.

[0079] In addition, in the above structure, the first transmission part 7 and the second transmission part 8 share a power source as an example for description. It should be understood that in addition to this, the first transmission part 7 and the second transmission part 8 can also be respectively provided with a power source, for example, two third driving parts 6 such as motors are arranged, and the two third driving parts 6 are respectively in transmission connection with the first transmission part 7 and the second transmission part 8, which is also possible.

[0080] As Figure 3 and Figure 4As shown, as a preferred embodiment, the second locking part 5 is one, which is arranged at the middle of the seat cushion framework 101 along the overturning axis of the seat cushion framework 101, thus facilitating the stability and reliability of the seat 1 after overturning.

[0081] It should be understood that the second locking part 5 can be multiple, which are arranged along the overturning axis of the seat cushion framework 101 at intervals, and in this case, the second locking matching part is arranged on the base corresponding to each second locking part 5.

[0082] In order to facilitate the installation of the seat cushion framework 101, as shown, Figure 2 As shown, as a preferred embodiment, the second driving part 3 is in transmission connection with the seat cushion framework 101 through the third transmission part 14, and the guide structure 13 is arranged between the base and the seat cushion framework 101, and the guide structure 13 can guide the overturning of the seat cushion framework 101 relative to the base during the movement of the third transmission part 14 driven by the second driving part 3.

[0083] In a preferred embodiment, the base is provided with a seat cushion mounting frame 15, the front part of the seat cushion framework 101 is pivoted to the seat cushion mounting frame 15, the second driving part 3 is in transmission connection with the seat cushion framework 101 through the third transmission part 14, and the guide structure 13 is arranged between the seat cushion mounting frame 15 and the seat cushion framework 101. In this way, the guide structure 13 can guide the overturning of the seat cushion framework 101 relative to the base during the movement of the third transmission part 14 driven by the second driving part 3.

[0084] Specifically, the seat cushion mounting frame 15 includes two first mounting plates 1501 and a connecting shaft 1502 connected between the two first mounting plates 1501. The two first mounting plates 1501 are arranged at intervals along the overturning axis of the seat cushion framework 101, and the connecting shaft 1502 is arranged along the overturning axis of the seat cushion framework 101.

[0085] As shown, Figure 3 The seat cushion framework 101 is provided with two second mounting plates 1011 arranged at intervals along the overturning axis of the seat cushion framework 101, and the connecting shaft 1502 is arranged through the two second mounting plates 1011, so that the seat cushion framework 101 can be overturned relative to the base around the connecting shaft 1502. The seat cushion mounting frame 15 arranged above facilitates the arrangement of the seat 1, and the third transmission part 14 and the guide structure 13 facilitate the overturning of the seat cushion framework 101.

[0086] As shown, Figure 2 The third transmission part 14 includes a sector gear 1401 fixed to the connecting shaft 1502 and a gear fixed to the power output end of the second driving part 3 such as a motor, and the sector gear 1401 and the gear are in meshing connection. And the second driving part 3 is fixed to the seat cushion framework 101, such asFigure 4 The second driving part 3 is fixed on one second mounting plate 1011, and the second driving part 3 and the third transmission part 14 are arranged on both sides of the second mounting plate 1011.

[0087] The guide structure 13 includes a guide groove arranged on the sector gear 1401 and a guide rod arranged on the second driving part 3. The guide rod penetrates the second mounting plate 1011 on which the second driving part 3 is fixed, and the guide rod is arranged in the guide groove on the sector gear 1401. The guide groove is in the form of an arc, and the center of the arc is the connecting shaft 1502. Thus, when the second driving part 3 drives the gear to rotate, the second driving part 3 and the seat cushion framework 101 will rotate as a whole around the connecting shaft 1502 under the action of the guide structure 13.

[0088] The seat turnover device of the embodiment utilizes the motor commonly used in the automobile seat 1 to drive the backrest and the seat cushion to rotate, and the unlocking and locking processes are completely automated. In actual control, only one trigger module such as a button is needed to start the forward turnover and the return function of the seat 1, the complicated and laborious problem of manual turnover is solved, the user can experience intelligent and comfortable experience, the seat cushion framework 101 in the vertical state is locked, and the stability and reliability of the seat 1 after turnover are ensured.

[0089] Embodiment two

[0090] The embodiment relates to a vehicle, and the vehicle is provided with the seat turnover device as in the embodiment one.

[0091] The vehicle of the embodiment can realize the electric turnover of the backrest framework 102 and the electric turnover of the seat cushion framework 101 by applying the aforementioned seat turnover device, the seat cushion framework 101 in the vertical state is locked, and the stability and reliability of the seat 1 after turnover are ensured.

[0092] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A seat turnover device characterized in that: it comprises a first driving part (2) arranged on a backrest framework (102) of a seat (1), a first locking part (4) arranged at a rear part of a seat cushion framework (101) of the seat (1), and a second driving part (3) and a second locking part (5) arranged at a front part of the seat cushion framework (101); the first driving part (2) is in driving connection with the backrest framework (102) and can drive the backrest framework (102) to overturn above the seat cushion framework (101); the first locking part (4) can lock the rear part of the seat cushion framework (101) on a base; the second driving part (3) is in driving connection with the seat cushion framework (101), after the first locking part (4) releases the locking of the rear part of the seat cushion framework (101), the seat cushion framework (101) can be driven by the second driving part (3) to overturn forward together with the backrest framework (102) overturned above the seat cushion framework (101) to a vertical state, and the second locking part (5) is used for locking the seat cushion framework (101) in the vertical state on the base.

2. The seat turnover device according to claim 1 characterized in that: it further comprises an unlocking mechanism arranged on the seat cushion framework (101), the unlocking mechanism is in driving connection with the first locking part (4) and the second locking part (5) respectively; after being driven by the unlocking mechanism, the first locking part (4) can release the locking of the rear part of the seat cushion framework (101), and the second locking part (5) can release the locking of the seat cushion framework (101) in the vertical state.

3. The seat turnover device according to claim 2 characterized in that: the unlocking mechanism comprises a third driving part (6) arranged on the seat cushion framework (101), a first transmission part (7) in driving connection between the third driving part (6) and the first locking part (4), and a second transmission part (8) in driving connection between the third driving part (6) and the second locking part (5).

4. The seat turnover device according to claim 3 characterized in that: the first transmission part (7) and the second transmission part (8) are both pull wires.

5. The seat turnover device according to claim 2 characterized in that: the first locking part (4) is arranged at the rear part of the seat cushion framework (101) in a plurality of ways, the plurality of first locking parts (4) are arranged at intervals along an overturning shaft of the backrest framework (102), and the plurality of first locking parts (4) are respectively in driving connection with the unlocking mechanism.

6. The seat turnover device according to claim 5 characterized in that: a first mounting bracket (9) corresponding to each first locking part (4) is arranged on the seat cushion framework (101), the first locking part (4) is rotatably arranged on the corresponding first mounting bracket (9), and a first reset member is arranged between the corresponding first locking part (4) and the first mounting bracket (9). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The first reset member stores energy during the process that the unlocking mechanism drives the first locking part (4) to release the seat cushion framework (101) from locking, and the first reset member releases energy to drive the first locking part (4) to reset.

7. The seat turnover device according to claim 2, characterized in that: The second mounting frame (11) is fixed on the seat cushion framework (101), the second locking part (5) is rotatably arranged on the second mounting frame (11), and the second reset member is arranged between the second locking part (5) and the second mounting frame (11); The second reset member stores energy during the process that the unlocking mechanism drives the second locking part (5) to release the seat cushion framework (101) from locking, and the second reset member releases energy to drive the second locking part (5) to reset.

8. The seat turnover device according to claim 1, characterized in that: The second locking part (5) is arranged at the middle of the seat cushion framework (101) along the turnover axis of the seat cushion framework (101).

9. The seat turnover device according to any one of claims 1-8, characterized in that: The second driving part (3) is drivingly connected with the seat cushion framework (101) through a third transmission part (14), and a guide structure (13) is arranged between the base and the seat cushion framework (101); The guide structure (13) can guide the seat cushion framework (101) to turn relative to the base during the process that the second driving part (3) drives the third transmission part (14) to move.

10. A vehicle, characterized in that: The vehicle is provided with the seat turnover device according to any one of claims 1-9.

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