阅读说明：本技术 一种座椅旋转机构及车辆 (Seat rotary mechanism and vehicle ) 是由 李娟� 陈明 王秀孔 汤林 胡鹏超 于 2021-07-29 设计创作，主要内容包括：本发明涉及一种座椅旋转机构及车辆,其中,座椅旋转机构包括底座、转盘、限位装置和锁定装置；转盘能够相对于底座转动,锁定装置能够锁定转盘和底座以限制二者相对转动；转盘为环形结构,限位装置包括压盘和限位部,压盘与底座固定并在二者之间形成沿转盘周向连续设置的第一限位空间,转盘内缘位于第一限位空间内,限位部包括第一限位结构和第二限位结构,第一限位结构沿转盘的周向设置,第二限位结构设于底座,第一限位结构和第二限位结构能够配合以限制转盘沿其轴向向远离底座的一侧移动,第一限位结构和第二限位结构中,至少一者沿转盘的周向连续设置。座椅在旋转至任意角度时,都能保证转盘和底座之间的连接稳定,进而保证安全性。(The invention relates to a seat rotating mechanism and a vehicle, wherein the seat rotating mechanism comprises a base, a turntable, a limiting device and a locking device; the turntable can rotate relative to the base, and the locking device can lock the turntable and the base to limit the relative rotation of the turntable and the base; the carousel is the loop configuration, stop device includes pressure disk and spacing portion, the pressure disk is fixed with the base and forms the first spacing space that sets up in succession along carousel circumference between the two, the carousel inner edge is located first spacing space, spacing portion includes first limit structure and second limit structure, first limit structure sets up along the circumference of carousel, the base is located to the second limit structure, first limit structure and second limit structure can cooperate and remove to one side of keeping away from the base along its axial with the restriction carousel, among first limit structure and the second limit structure, at least one sets up in succession along the circumference of carousel. When the seat rotates to any angle, the stable connection between the turntable and the base can be ensured, and the safety is further ensured.)

1. A seat rotating mechanism is characterized by comprising a base (1), a turntable (2), a limiting device and a locking device;

the rotary table (2) can rotate relative to the base (1), and the locking device can lock the rotary table (2) and the base (1) to limit the relative rotation of the rotary table and the base;

carousel (2) is the loop configuration, stop device includes pressure disk (3) and spacing portion, pressure disk (3) with base (1) is fixed and form between the two and follow the first spacing space that carousel (2) circumference set up in succession, carousel (2) inner edge is located in the first spacing space, spacing portion includes first limit structure and second limit structure, first limit structure follows the circumference setting of carousel (2), second limit structure locates base (1), first limit structure with second limit structure can cooperate with the restriction carousel (2) is to keeping away from along its axial one side removal of base (1), first limit structure with in the second limit structure, at least one is followed the circumference of carousel (2) sets up in succession.

2. The seat rotating mechanism according to claim 1, wherein the second limiting structure comprises a baffle (4) fixedly arranged on the base (1), a second limiting space can be formed between the baffle (4) and the base (1), and the outer ring of the turntable (2) is provided with the first limiting structure and is located in the second limiting space.

3. A seat rotation mechanism according to claim 2, wherein a side surface of the turntable (2) away from the base (1) is provided with a limiting groove (21) of an annular structure along the circumferential direction, and the limiting groove (21) forms the first limiting structure;

the baffle (4) is towards one side of the base (1) and is further provided with a limiting block (41), and the limiting block (41) is located in the limiting groove (21) and can slide along the limiting groove (21).

4. A seat swivel mechanism according to claim 3, characterized in that the number of baffles (4) is at least three and is evenly spaced along the circumference of the turntable (2).

5. A seat rotation mechanism according to any one of claims 1 to 4, wherein the inner ring upper end surface of the rotary plate (2) is provided with an annular step (23) along the circumferential direction thereof, and the top wall of the first limiting space can fit against the step surface of the annular step (23).

6. A seat swivel mechanism according to any of claims 1-4, wherein the locking means comprises an unlocking member (56) and two locking members, one locking member being arranged on the turntable (2) and the other locking member being arranged on the base (1), one of the two locking members being provided with a locking pin (51) and the other locking member being provided with a locking slot (52), the locking pin (51) engaging the locking slot (52) to restrict the turntable (2) from rotating relative to the base (1), the unlocking member (56) being adapted to move one locking member to a side remote from the other locking member to disengage the locking pin (51) from the locking slot (52).

7. Seat swivel mechanism according to claim 6, characterized in that the locking member provided to the turntable (2) comprises the locking pin (51) and a bracket (53) and a spring (55), and the locking member provided to the base (1) comprises a plurality of the locking grooves (52) arranged in the circumferential direction;

the locking pin (51) is arranged at one end of the bracket (53), and the unlocking piece (56) is connected with one end, far away from the locking pin (51), of the bracket (53) and can drive the bracket (53) to rotate around a connecting point (54) between the bracket and the turntable (2);

the rotary disc (2) is provided with a through hole (22), and the lock pin (51) penetrates through the through hole (22) and can move in the through hole (22) to be matched with or separated from the lock groove (52);

the spring (55) can act on the bracket (53) to rotate around the connecting point (54) and drive the lock pin (51) to be matched with the lock groove (52), and the unlocking piece (56) can act on the bracket (53) to rotate around the connecting point (54) until the lock pin (51) is separated from the lock groove (52).

8. A seat swivel mechanism according to any of claims 1-4, characterized in that friction discs are provided between the upper end surface of the turntable (2) and the pressure plate (3) and between the lower end surface of the turntable (2) and the base (1), respectively.

9. A seat swivel mechanism according to claim 8, characterized in that the upper end face of the turntable (2) and the upper end face of the base (1) are provided with a first rotation limiting member, respectively, and the friction plate is provided with a second rotation limiting member, the first rotation limiting member and the second rotation limiting member being capable of cooperating to limit relative rotation.

10. A vehicle comprising a seat swivel mechanism as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of vehicles, in particular to a seat rotating mechanism and a vehicle.

Background

With the improvement of the physical living standard of people, automobiles become main transportation tools for family outgoing, household automobiles are favored by consumers, and meanwhile, the requirements of the consumers on the functions of the automobiles are more and more. Seat function diversity not only increases passenger's seat and selects, but also can improve and take experience, and rotatory seat can be with seat 360 within range internal rotations, satisfies the passenger to function diversity's demand.

The seat rotating mechanism comprises a rotary disc and a base, wherein the rotary disc is used for being connected with a seat, the base is connected with a sliding rail arranged on an inner bottom plate of the vehicle, and the seat rotates through relative rotation between the rotary disc and the base.

In order to ensure the stability of the seat in the rotating process, a limiting part is required to be arranged between the turntable and the base to limit the turntable and the base to move relatively along the axial direction and even separate from each other.

Therefore, how to provide a seat rotating mechanism, when the seat rotates to any angle, the stability of the connection between the turntable and the base can be ensured, and the safety is ensured.

Disclosure of Invention

The invention aims to provide a seat rotating mechanism and a vehicle, which can ensure that the connection between a turntable and a base is stable when a seat rotates to any angle, and further ensure the safety.

In order to solve the technical problem, the invention provides a seat rotating mechanism, which comprises a base, a turntable, a limiting device and a locking device, wherein the base is provided with a first end and a second end; the turntable can rotate relative to the base, and the locking device can lock the turntable and the base to limit relative rotation of the turntable and the base; the carousel is the loop configuration, stop device includes pressure disk and spacing portion, the pressure disk with the base is fixed and form between the two and follow the first spacing space that carousel circumference set up in succession, the carousel inner edge is located in the first spacing space, spacing portion includes first limit structure and second limit structure, first limit structure is followed the circumference of carousel sets up, second limit structure locates the base, first limit structure with second limit structure can cooperate with the restriction the carousel is to keeping away from along its axial one side of base removes, first limit structure with among the second limit structure, at least one is followed the circumference of carousel sets up in succession.

The turntable is of an annular structure capable of rotating relative to the base, the pressure plate can limit the turntable to move relative to the base along the axial direction towards one side far away from the base from the inner ring, and the limiting part can limit the turntable to move relative to the base along the axial direction towards one side far away from the base from the outer ring, so that the turntable is prevented from being separated from the base in the rotating process. And, because the first spacing space that forms between pressure disk and the base sets up along the circumference of carousel in succession, the limiting displacement of spacing portion also sets up along the circumference of carousel in succession, consequently, no matter the carousel rotates to any angle for the base, promptly, no matter the seat rotates to any position, stop device homoenergetic enough restricts the axial position of carousel to guarantee the security.

Optionally, the second limiting structure comprises a baffle fixedly arranged on the base, a second limiting space can be formed between the baffle and the base in a surrounding manner, and the outer ring of the turntable is provided with the first limiting structure and is located in the second limiting space.

Optionally, a limit groove of an annular structure is circumferentially arranged on one side surface of the turntable, which is far away from the base, and the limit groove forms the first limit structure; the baffle orientation one side of base still is equipped with the stopper, the stopper is located the spacing inslot can be followed the spacing inslot slides.

Optionally, the number of the baffles is at least three, and the baffles are uniformly arranged along the circumferential direction of the rotating disc at intervals.

Optionally, an annular step is arranged on the upper end face of the inner ring of the rotary table along the circumferential direction of the rotary table, and the top wall of the first limiting space can be attached to the step face of the annular step.

Optionally, the locking device includes an unlocking member and two locking members, one of the locking members is disposed on the turntable, the other of the locking members is disposed on the base, one of the two locking members is provided with a locking pin, and the other locking member is provided with a locking groove, the locking pin can limit the turntable to rotate relative to the base when being matched with the locking groove, and the unlocking member can drive the one of the locking members to move to a side away from the other locking member, so that the locking pin is disengaged from the locking groove.

Optionally, the locking member provided to the turntable includes the locking pin, a bracket and a spring, and the locking member provided to the base includes a plurality of locking grooves arranged along a circumferential direction; the locking pin is arranged at one end of the bracket, and the unlocking piece is connected with one end of the bracket far away from the locking pin and can drive the bracket to rotate around a connecting point between the bracket and the turntable; the turntable is provided with a through hole, and the lock pin penetrates through the through hole and can move in the through hole to be matched with or separated from the lock groove; the spring can act on the support to enable the support to rotate around the connecting point and drive the lock pin to be matched with the lock groove, and the unlocking piece can act on the support to enable the support to rotate around the connecting point until the lock pin is separated from the lock groove.

Optionally, friction plates are respectively arranged between the upper end face of the rotary disc and the pressure plate and between the lower end face of the rotary disc and the base.

Optionally, the upper end face of carousel and the upper end face of base is equipped with first rotation limiting piece respectively, the friction disc is equipped with second rotation limiting piece, first rotation limiting piece with second rotation limiting piece can cooperate in order to restrict relative rotation.

The invention also provides a vehicle comprising the seat swivel mechanism as described above.

The technical effect of the vehicle with the seat rotating mechanism is similar to that of the seat rotating mechanism, and is not repeated herein for saving space.

Drawings

Fig. 1 is a schematic structural diagram of a seat rotation mechanism provided in an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a partial cross-sectional view of fig. 1.

In the accompanying fig. 1-3, the reference numerals are illustrated as follows:

1-a base; 2-rotating disc, 21-limiting groove, 22-through hole, 23-step; 3-pressing a plate; 4-baffle, 41-stopper 51-lock pin, 52-lock groove, 53-support, 54-connection point, 55-spring, 56-unlocking piece; 6-mounting bolts.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the invention provides a seat rotating mechanism and a vehicle, and particularly the vehicle comprises the seat rotating mechanism, and a user can rotate a seat through the seat rotating mechanism as required.

As shown in fig. 1 and fig. 2, the seat rotating mechanism includes a base 1, a rotary table 2, a limiting device and a locking device, wherein the base 1 can be connected with a slide rail arranged on an inner bottom plate of a vehicle, the rotary table 2 is connected with the base 1, the rotary table 2 can rotate relative to the base 1, so as to drive the seat to rotate, the limiting device can limit the rotary table 2 to axially move relative to the base 1, so as to limit the separation between the two, the locking device can lock the relative position between the rotary table 2 and the base 1, so as to avoid relative rotation, and ensure the stability of the seat after locking.

Specifically, the limiting device comprises a pressure plate 3 and a limiting part, the rotary plate 2 is of an annular structure, the pressure plate 3 is fixed with the base 1, a first limiting space is formed between the lower end face of the pressure plate 3 and the upper end face of the base 1 in an enclosing manner, the first limiting space is continuously arranged along the circumferential direction of the rotary plate 2, and the inner ring of the rotary plate 2 is positioned in the first limiting space; the limiting part comprises a first limiting structure and a second limiting structure, wherein the first limiting structure is arranged on the outer ring of the turntable 2 along the circumferential direction, the second limiting structure is arranged on the base 1, the first limiting structure and the second limiting structure can be matched to limit the turntable 2 to move towards one side far away from the base 1 along the axial direction, and at least one of the two limiting parts is continuously arranged along the circumferential direction of the turntable 2.

That is to say, the turntable 2 is an annular structure capable of rotating relative to the base 1, the pressure plate 3 can limit the turntable 2 from the inner ring to move relative to the base 1 along the axial direction to one side far away from the base 1, and the limiting part can limit the turntable 2 from the outer ring to move relative to the base 1 along the axial direction to one side far away from the base 1, so that the turntable 2 is prevented from being separated from the base 1 in the rotating process. Moreover, since the first limit space formed between the pressure plate 3 and the base 1 is continuously arranged along the circumferential direction of the turntable 2, and the limit function of the limit part is also continuously arranged along the circumferential direction of the turntable 2, the limit device can limit the axial position of the turntable 2 no matter the turntable 2 rotates to any angle relative to the base 1, namely, no matter the seat rotates to any position, thereby ensuring the safety.

It will be understood that, in use, the seat is located above the seat rotating mechanism and fixed with the turntable 2, the turntable 2 is located above the base 1, and the pressure plate 3 is located above the turntable 2 and fixed with the base 1 through the turntable 2. In the present embodiment, the specific result of the pressure plate 3 is not limited, and it may be configured as an annular structure as shown in fig. 2, or the pressure plate 3 may be configured as a circular plate, and the annular structure of the pressure plate 3 can simplify the overall structure and is advantageous for achieving light weight.

In the above embodiment, the second limiting structure includes the baffle 4 fixedly disposed on the base 1, a second limiting space can be formed between the lower end surface of the baffle 4 and the upper end surface of the base 1, the outer ring of the turntable 2 is provided with the second limiting structure and is located in the second limiting space, that is, the inner ring of the turntable 2 is located in the first limiting space, the outer ring of the turntable 2 is provided with the second limiting structure located in the second limiting space, and thus, the first limiting space and the second limiting space can be respectively limited from the inner side and the outer side of the turntable 2, so as to limit the turntable 2 to move along one side of the base 1 in the axial direction, thereby avoiding the separation of the two, and ensuring the stability of the rotation of the seat.

Further, in this embodiment, a side surface of the turntable 2 away from the base 1 is provided with a limiting groove 21 having an annular structure along the circumferential direction, the limiting groove 21 can form the first limiting structure and is continuously arranged along the circumferential direction of the turntable 2, specifically, one side of the baffle 4 facing the base 1 is further provided with a limiting block 41, and the limiting block 41 is located in the limiting groove 21 and can slide along the limiting groove 21 (as shown in fig. 3). When the turntable 2 slides relative to the base 1, the limiting block 41 can slide along the limiting groove 21. Alternatively, in this embodiment, the outer ring of the turntable 2 may be directly located in the second limiting space, the outer edge of the turntable 2 forms the first limiting structure, and the baffle 4 can block the turntable 2 from moving to the side away from the base 1 together with the end surface of the turntable 2 on the side away from the base 1. And the setting of spacing groove 21 and stopper 41 can also restrict the radial movement of carousel 2, avoids its condition for base 1 emergence position drunkenness, can also avoid simultaneously baffle 4 take place to warp and can't carry out spacing condition to the removal of carousel 2 after with carousel 2 effect. Specifically, the limiting block 41 may be a protrusion disposed on the lower end surface of the baffle 4, or may be formed by bending the edge of the baffle 4 downward, which is not limited herein.

In the above embodiment, the number of the baffle plates 4 is at least three, and the baffle plates are uniformly spaced along the circumferential direction of the turntable 2, and the limiting grooves 21 are continuously arranged along the circumferential direction of the turntable 2. Of course, in this embodiment, the baffle plates 4 may be provided in an annular configuration, and when the baffle plates are provided in at least three spaced positions, the overall structure can be simplified and the weight can be reduced. Specifically, in this embodiment, the number of the baffle plates 4 is not limited, and as shown in fig. 1, the number of the baffle plates 4 may be four, or may be three, five or more.

In the above embodiment, the annular step 23 is further provided on the upper end surface of the inner ring of the turntable 2 along the circumferential direction thereof, the top wall of the first limiting space can be attached to the step surface of the annular step 23, that is, the lower end surface of the pressure plate 3 can abut against the step surface, and the height of the pressure plate 3 is smaller than the depth of the annular step 23, so that the upper end surface of the pressure plate 3 does not protrude from the upper end surface of the turntable 2, and during installation, the pressure plate 3 can be prevented from interfering with installation between the turntable 2 and the seat.

In the above embodiment, the locking device includes the unlocking member 56 and two locking members, one locking member is disposed on the turntable 2, the other locking member is disposed on the base 1, the two locking members can lock the relative positions of the turntable 2 and the base 1 to limit the relative rotation between the turntable and the base, and the user can unlock the two locking members through the unlocking member 56. Specifically, one of the two locking members is provided with a lock pin 51, the other locking member is provided with a lock groove 52, the lock pin 51 can limit the rotation of the turntable 2 relative to the base 1 when being matched with the lock groove 52, and the unlocking member 56 can drive one locking member to move away from the other locking member, so that the lock pin 51 is separated from the lock groove 52.

Of course, in this embodiment, two locking members may be configured as the structure of the lock pin 51 and the lock hole or as the structure of two hooks, and when the two locking members are configured as the structure of the lock pin 51 and the lock groove 52, the unlocking member 56 can unlock by pulling one locking member to move away from the other locking member, compared with the structure of the lock pin 51 and the lock hole, the height requirement on the installation space can be reduced, and the arrangement is convenient; compared with the structure of two hooks, the locking device can ensure the stability of locking and has a simpler structure.

Further, as shown in fig. 1 and 2, the locking member provided on the turntable 2 includes a lock pin 51, a bracket 53 and a spring 55, in this case, the locking member provided on the base 1 is provided with the lock groove 52, and the base 1 is provided with a plurality of lock grooves 52 along the circumferential direction, the lock pin 51 can be locked by being engaged with any one of the lock grooves 52, and the position of each lock groove 52 can be set according to the rotation angle of the seat.

Specifically, the bracket 53 can rotate around a connection point between the bracket 53 and the turntable 2, the lock pin 51 is arranged at one end of the bracket 53, the unlocking piece 56 is connected with one end of the bracket 53 far away from the lock pin 51, a user can operate the unlocking piece 56 to enable the unlocking piece to act on the bracket 53 to rotate and drive the lock pin 51 to rotate, the turntable 2 is provided with a through hole 22, and the lock pin 51 penetrates through the through hole 22 and can move in the through hole 22 to be matched with or separated from the lock groove 52; that is to say, the lock pin 51 and the unlocking piece 56 are respectively connected to two ends of the bracket 53, and on two sides of the connection point 54, the unlocking piece 56 drives the bracket 53 to rotate around the connection point 54, and can drive the lock pin 51 to rotate, so as to be separated from the lock groove 52, the through hole 22 can be an arc-shaped hole, when the bracket 52 rotates around the connection point 54, the lock pin 51 can be driven to move in the through hole 22, and the through hole 22 can provide guidance for the movement of the lock pin 51. The spring 55 can act on the bracket 53 to rotate around the connecting point 54 and drive the lock pin 51 to be matched with the lock groove 52, and the unlocking piece 56 can act on the bracket 53 to rotate around the connecting point 54 until the lock pin 51 is separated from the lock groove 52.

When the spring 55 is in a free state, the lock pin 51 is matched with the lock groove 52, the locking device is in a locking state, the turntable 2 and the base 1 cannot rotate relatively, when the seat needs to be rotated, a user can act on the unlocking piece 56 to enable the unlocking piece to drive the support 53 to rotate and drive the lock pin 51 to be separated from the lock groove 52, at the moment, the locking device is in an unlocking state, the spring 55 deforms, the turntable 2 can rotate relative to the base 1, after the seat rotates to a proper angle, the user releases the effect of the unlocking piece 56 on the support 53, the restoring force of the spring 55 can automatically realize locking of the locking device, and the operation is convenient.

In the above embodiment, friction plates are respectively disposed between the upper end surface of the turntable 2 and the pressure plate 3 and between the lower end surface of the turntable 2 and the base 1. Carousel 2 can be rotatory for base 1 and pressure disk 3 to be equipped with the friction disc respectively in carousel 2's upper and lower both sides, two friction discs are located respectively between carousel 2 and the base 1 and between carousel 2 and the pressure disk 3, and when carousel 2 rotated, can avoid carousel 2, base 1 and pressure disk 3 to take place wearing and tearing. Or the upper side and the lower side of the turntable 2 can be respectively provided with the balls, and compared with the scheme of arranging the balls, the friction plate can simplify the whole structure, simplify the installation operation and reduce the cost.

Further, the up end of carousel 2 and the up end of base 1 are equipped with first limit respectively and change the piece, and the friction disc is equipped with the second and limits and changes the piece, and these two limits of first limit and second limit are changeed the piece and can cooperate in order to restrict relative rotation. The arrangement of the first rotating part and the second rotation limiting part can limit the rotation of the friction plate and ensure that the positions of the friction plate are relatively fixed. In addition, in this embodiment, a counter bore may be further formed in the surface of the friction plate, the friction plate is fixed to the upper and lower end faces of the turntable 2 or the base 1 and the pressure plate 3 through the fastening member, so that the position stability of the friction plate can be ensured, and when the friction plate is limited to rotate by the first limiting member and the second limiting member, the overall structure can be simplified, and the installation operation can be simplified. Specifically, the structures of the first rotation limiting member and the second rotation limiting member are not limited, and if the first rotation limiting member and the second rotation limiting member are provided as a protrusion and a groove, the protrusion and the groove can be formed.

In the above embodiment, the platen 3 and the base 1 are fixed by welding, or may be fixed by a fastener, and the welding may simplify the entire structure. The second limiting structure and the base 1 are fixed through a fastener.

When the seat rotating mechanism is installed, the friction plates are placed on the upper end face of the base 1, so that the two rotation limiting pieces are matched, the rotary table 2 is placed on the base 1, after the relative positions of the two friction plates are adjusted, the other friction plate is placed on the upper end face of the rotary table 2, the two limiting pieces are matched, finally, the pressure plate 3 is placed on the upper end face of the rotary table 2, the position is adjusted, the pressure plate 3 and the base 1 are fixed in a welding mode, and finally, the baffle plates 4 and the base 1 are fixed, so that the limiting blocks 41 are located in the limiting grooves 21, and the seat rotating mechanism can be installed. The upper end surface of the rotary table 2 is also provided with a mounting bolt 6 for fixing with a seat.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.