CN214450448U - Seat carousel and locking means thereof - Google Patents

Abstract

The utility model discloses a locking device, which comprises a locking disc and a locking mechanism, wherein the locking disc and the locking mechanism can rotate relatively around a rotating shaft of the locking disc; the locking mechanism comprises a locking seat, a locking claw which is matched with the locking seat in a rotating mode is arranged on the locking seat, at least one locking head is arranged on the locking claw, a locking hole group which is matched with the locking head is arranged on the locking disc, and the locking hole group comprises locking holes which are arranged in a one-to-one correspondence mode with the locking heads. The utility model also discloses a seat turntable, which comprises an upper disc, a lower disc and a pressure plate, wherein the lower disc is fixedly connected with the pressure plate, and the upper disc is arranged between the lower disc and the pressure plate in a rotating fit manner; the locking device is characterized in that the locking device is further included, the locking disc is fixedly arranged on the pressure plate, and the locking seat is fixedly arranged on the upper disc. The utility model discloses a seat carousel and locking means thereof not only can satisfy the operation requirement, can not influence structural strength moreover.

Description

Seat carousel and locking means thereof

Technical Field

The utility model belongs to the technical field of car seat, specific be a seat carousel and locking means thereof.

Background

The seat pan serves to change the seat rotation direction position and to lock the seat in the vehicle. Seat carousel mechanism on the existing market is complicated, and it is not good to rotate the effect, easily wearing and tearing between each part, and life is short, and the locking effect is not good, has very big potential safety hazard during the use, and it is big to rock the clearance, and the rigidity is weak, and intensity is not enough, has great potential safety hazard.

Chinese patent publication No. CN 206781573U discloses a seat pan, comprising: the device comprises an upper disc, a lower disc, a pressing disc and a locking device; the lower disc is arranged below the upper disc, and the central axis of the upper disc is superposed with the central axis of the lower disc; the middle part of the compression disc is provided with a fixing part which penetrates through the lower disc and then is fixed on the upper disc; the lower disc rotates around the central shaft; the locking device comprises a bracket, a stabilizing frame and an unlocking sheet; the bracket and the stabilizing frame are fixed on the upper disc, the bracket is fixed at the upper end of the upper disc, the stabilizing frame is fixed at the lower end of the upper disc, and the bracket and the stabilizing frame are opposite up and down; the unlocking sheet penetrates through the upper disc and is rotatably arranged on the bracket; the lower end of the unlocking sheet is provided with an unlocking claw, and the unlocking claw penetrates through the stabilizing frame and is inserted into the lower disc; the lower disc is provided with unlocking holes for allowing the unlocking claws to pass through, and the unlocking holes are uniformly distributed in the lower disc. Although the seat turntable meets the use requirements to a certain extent, the locking device is arranged between the upper disc and the lower disc, the unlocking claw needs to penetrate through the stabilizing frame and be inserted into the unlocking hole formed in the lower disc, the structure is complex, and the lower disc is provided with a plurality of unlocking holes, so that the structural strength of the lower disc is reduced, and the lower disc is easy to deform and lose efficacy.

Disclosure of Invention

In view of this, the utility model aims at providing a seat carousel and locking means thereof not only can satisfy the operation requirement, can not influence structural strength moreover.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model firstly provides a locking device, which comprises a locking disc and a locking mechanism, wherein the locking disc and the locking mechanism can rotate relatively around a rotating shaft of the locking disc;

the locking mechanism comprises a locking seat, a locking claw which is matched with the locking seat in a rotating mode is arranged on the locking seat, at least one locking head is arranged on the locking claw, a locking hole group which is matched with the locking head is arranged on the locking disc, and the locking hole group comprises locking holes which are arranged in a one-to-one correspondence mode with the locking heads.

Furthermore, a rotating shaft is arranged on the locking seat, and the locking claw is installed on the rotating shaft in a rotating fit manner; or, the locking seat is provided with a rotating shaft, the locking claw is fixedly connected with the rotating shaft, and the rotating shaft is matched with the locking seat in a rotating mode.

Furthermore, a locking retaining piece which enables the locking head to be inserted into the corresponding locking hole is arranged between the locking seat and the locking claw.

Further, the locking and retaining piece adopts a spring.

Furthermore, the locking hole groups are uniformly distributed on the locking disc in an annular manner.

Further, the number of the locking mechanisms is at least one, and when the number of the locking mechanisms is at least two, the mechanical angle occupied by two adjacent locking mechanisms relative to the axis of the locking disc is equal to the integral multiple of the mechanical angle occupied by two adjacent locking hole groups relative to the axis of the locking disc.

The utility model also provides a seat turntable, which comprises an upper disc, a lower disc and a pressure plate, wherein the lower disc is fixedly connected with the pressure plate, and the upper disc is arranged between the lower disc and the pressure plate in a rotating fit manner; the locking device is characterized in that the locking device is further included, the locking disc is fixedly arranged on the pressure plate, and the locking seat is fixedly arranged on the upper disc.

Further, a first arc groove surrounding a circle is formed in the bottom surface of the pressure plate, a second arc groove surrounding a circle is formed in the top surface of the lower plate, a third arc groove is formed in the top surface of the upper plate corresponding to the first arc groove, and a fourth arc groove is formed in the bottom surface of the upper plate corresponding to the second arc groove; the first circular arc groove with form annular channel on the ring between the third circular arc groove, the second circular arc groove with form annular channel down between the fourth circular arc groove, it is coaxial with annular channel down to go up annular channel, just be equipped with ball mechanism in annular channel and the lower annular channel respectively.

Further, the diameter of the central circle of the upper annular channel is not equal to that of the central circle of the lower annular channel, and the plane where the central circle of the upper annular channel is located is not coplanar with the plane where the central circle of the lower annular channel is located.

Furthermore, four diagonal positions of the bottom surface of the upper disc are respectively provided with a first upper limiting column, and four diagonal positions of the top surface of the lower disc are respectively provided with a first lower limiting column; the first upper limiting columns and the first lower limiting columns are arranged in a one-to-one correspondence manner, and the corresponding first upper limiting columns and the corresponding first lower limiting columns are coaxial; the upper plate is provided with an upper plate connecting hole used for being connected with an automobile seat, and the lower plate is provided with a lower plate connecting hole used for being connected with an automobile chassis or a slide rail arranged on the automobile chassis; or the like, or, alternatively,

an upper connecting column and an upper hanging plate are respectively arranged at four diagonal positions of the bottom surface of the upper disc, an upper connecting hole is formed in the upper connecting column, and the upper hanging plate is fixedly arranged on the upper connecting column through an upper connecting screw penetrating through the upper connecting hole; the four diagonal positions of the top surface of the lower disc are respectively provided with a lower connecting column and a lower hanging plate; the upper connecting column is provided with a lower connecting hole, and the lower hanging plate is fixedly arranged on the lower connecting column through a lower connecting screw penetrating through the lower connecting hole;

the bottom surface of the upper disc and the lower connecting columns are provided with upper reinforcing columns in one-to-one correspondence, and lower reinforcing columns are arranged between the top surface of the lower disc and the upper connecting columns;

the upper hanging plate is positioned below the lower hanging plate, and the upper hanging plate and the lower hanging plate are partially overlapped in a view along the axial direction of the upper plate.

Furthermore, a rotation limiting structure is arranged between the upper disc and the lower disc; the rotation limiting structure comprises a limiting sheet fixedly arranged on the top surface of the locking disc; or the limiting structure comprises a second upper limiting column arranged on the bottom surface of the upper disc and a second lower limiting column arranged on the top surface of the lower disc, the distance between the second upper limiting column and the second lower limiting column and the axis of the upper disc are equal, and the sum of the lengths of the second upper limiting column and the second lower limiting column is greater than the distance between the bottom surface of the upper disc and the top surface of the lower disc.

The beneficial effects of the utility model reside in that:

the locking device of the utility model is provided with the locking disc and the locking mechanism which can rotate relatively, and the locking head arranged on the locking claw and the locking hole arranged on the locking disc are utilized to lock the rotating position between the locking disc and the locking mechanism; the technical purpose of multi-position locking can be met by arranging a plurality of locking hole groups on the locking disc; the locking claw is arranged on the locking seat in a rotating fit mode, the locking claw is driven to rotate, and then the locking head can be controlled to be inserted into the locking hole or pulled out of the locking hole, so that the locking state and the free state can be switched.

The seat turntable of the utility model has the advantages that the upper disc is arranged between the pressure plate and the lower disc, the pressure plate is fixedly connected with the lower disc, and the upper disc is respectively matched with the pressure plate and the lower disc in a rotating way, so that the technical purpose that the upper disc can rotate relative to the lower disc can be realized; through fixed mounting locking dish on the pressure disk, fixed mounting locking seat on the hanging wall, when needs adjust the seat rotation direction, take out locking head from the locking is downthehole, the hanging wall rotates for the locking dish, rotate after target in place with locking head insert the locking downthehole can, easy operation is convenient, not only can satisfy the operation requirement, the locking hole sets up on the locking dish in addition, can not influence the structural strength of hanging wall, the reliability is better.

Drawings

In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:

fig. 1 is a schematic structural view of a seat turntable of embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is detail B of FIG. 2;

FIG. 4 is a perspective view of the seat pan of the present embodiment;

FIG. 5 is a schematic structural view of the locking plate;

FIG. 6 is a schematic structural view of the locking mechanism;

FIG. 7 is a schematic structural view of the upper plate;

FIG. 8 is a rear view of FIG. 7;

FIG. 9 is a cross-sectional view C-C of FIG. 7;

FIG. 10 is detail D of FIG. 9;

FIG. 11 is a schematic structural view of the lower plate;

FIG. 12 is a rear view of FIG. 11;

FIG. 13 is a cross-sectional view E-E of FIG. 11;

FIG. 14 is detail F of FIG. 13;

FIG. 15 is a schematic view of the platen configuration;

FIG. 16 is a sectional view taken along line G-G of FIG. 15;

fig. 17 is a perspective view of the platen.

Fig. 18 is a schematic structural view of a seat pan embodiment 2 of the present invention;

FIG. 19 is a side view of the seat pan;

FIG. 20 is detail H of FIG. 19;

FIG. 21 is a schematic structural view of the upper plate;

fig. 22 is a schematic structural view of the lower plate.

Description of reference numerals:

1-an upper annular channel; 2-lower annular channel; 3-limiting sheet;

100-upper disc, 101-upper disc central hole; 102-an upper disk mating portion; 103-upper disk connection; 104-upper connecting part reinforcing ribs; 105-a first upper limiting column; 106-upper limiting column reinforcing ribs; 107-upper annular connection; 108-upper reinforcing edge; 109-locking mounting holes; 110-upper plate attachment hole; 111-a first mating ring; 112-a second mating ring; 113-mating section stiffener bar; 114-a third arcuate slot; 115-a fourth arc-shaped slot; 116-an upper connecting column; 117-hanging plates; 118-upper attachment screws; 119-a second upper restraining column; 120-upper reinforcement columns;

200-lower disc; 201-lower disc central hole; 202-lower disc fitting; 203-lower disc connection; 204-mating section stiffener bar; 205-lower connection stiffener ribs; 206-a first lower restraint post; 207-lower limiting column reinforcing ribs; 208-lower annular connection; 209-lower reinforcing edge; 210-lower disc connection hole; 211-connecting ring; 212-lower plate mating ring; 213-lower disc connecting through hole; 214-a second arc groove; 215-lower connecting column; 216-hanging plate; 217-lower connecting screw; 218-a second lower restraining post; 219-lower reinforcement stay;

300-a platen; 301-platen center hole; 302-platen connection; 303-platen mating part; 304-platen stiffeners; 305-platen reinforcing edges; 306-platen connection seat; 307-platen attachment holes; 308-connecting seat reinforcing ribs; 309-transverse reinforcing ribs; 310-a first arc groove;

400-a locking disc; 401-a locking hole;

500-a locking mechanism; 501-locking seat; 502-locking pawl; 503-locking head; 504-a locking holder; 505-a rotating shaft.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Example 1

As shown in fig. 1, is a schematic structural diagram of embodiment 1 of the seat pan of the present invention. The seat turnplate of the embodiment comprises an upper plate 100, a lower plate 200 and a pressure plate 300, wherein the lower plate 200 is fixedly connected with the pressure plate 300, and the upper plate 100 is arranged between the lower plate 200 and the pressure plate 300 in a rotating fit mode. The seat pan of this embodiment also includes a locking device. Specifically, the locking device of the present embodiment includes a locking disc 400 and a locking mechanism 500, and the locking disc 400 and the locking mechanism are relatively rotatable around a rotation axis of the locking disc 400. The locking mechanism comprises a locking seat 501, a locking claw 502 which is rotationally matched with the locking seat 501 is arranged on the locking seat 501, at least one locking head 503 is arranged on the locking claw 502, a locking hole group which is matched with the locking head 503 is arranged on the locking disc 400, and the locking hole group comprises locking holes 401 which are arranged in one-to-one correspondence with the locking heads 503. The lock plate 400 of this embodiment is fixedly mounted on the pressure plate 300, and the lock holder 501 is fixedly mounted on the upper plate 100.

Further, a rotating shaft 505 is arranged on the locking seat 501, and the locking claw 502 is installed on the rotating shaft 505 in a rotating fit manner; or, a rotating shaft 505 is arranged on the locking seat 501, the locking claw 502 is fixedly connected with the rotating shaft 505, and the rotating shaft 505 is in rotating fit with the locking seat 501. The locking seat 501 of this embodiment is provided with a rotating shaft 505, the locking pawl 502 is fixedly connected with the rotating shaft 505, and the rotating shaft 505 is rotatably matched with the locking seat 501.

Further, a lock holder 504 for holding the lock head 503 inserted into the corresponding lock hole 401 is provided between the lock holder 501 and the lock pawl 502. The locking retainer 504 of this embodiment uses a spring, and the locking pawl 502 can be retained in the corresponding locking hole 401 by the tensile force provided by the spring, so that the locking state is more stable, and even if the locking retainer is used in a vehicle, the locking pawl 502 will not be shaken out of the locking hole 401 by the vibration of the vehicle.

Further, the locking hole groups are uniformly distributed on the locking disc 400 in an annular manner. The locking hole groups of the embodiment are annularly and uniformly distributed into four groups. At least one locking mechanism is provided, and when at least two locking mechanisms are provided, the mechanical angle occupied by two adjacent locking mechanisms relative to the axis of the locking disc 400 is equal to the integral multiple of the mechanical angle occupied by two adjacent locking hole groups relative to the axis of the locking disc 400, so that the locking claws 502 of a plurality of locking mechanisms can be simultaneously inserted into the corresponding locking holes 401, and the locking effect is improved. The locking mechanisms of the present embodiment are two, the mechanical angle occupied by two locking mechanisms with respect to the axis of the locking disk 400 is equal to 180 °, and the mechanical angle occupied by two adjacent locking hole groups with respect to the axis of the locking disk 400 is 90 °. Of course, in other embodiments, the mechanical angle occupied by two adjacent locking hole sets with respect to the axis of the locking disc 400 may also be 45 ° or 180 °, and so on, which will not be described in detail.

Further, a first circular arc groove 310 is formed in the bottom surface of the pressure plate 300 in a surrounding manner, a second circular arc groove 214 is formed in the top surface of the lower plate 200 in a surrounding manner, a third circular arc groove 114 is formed in the top surface of the upper plate 100 corresponding to the first circular arc groove 310, and a fourth circular arc groove 115 is formed in the bottom surface of the upper plate corresponding to the second circular arc groove 214; an upper annular channel 1 is formed between the first arc groove 310 and the third arc groove 114, a lower annular channel 2 is formed between the second arc groove 214 and the fourth arc groove 115, the upper annular channel 1 and the lower annular channel 2 are coaxial, and ball mechanisms (not shown in the figure) are respectively arranged in the upper annular channel 1 and the lower annular channel 2. The ball mechanism is the same as the existing seat turnplate, and the description is not repeated. Specifically, the diameter of the center circle of the upper annular channel 1 is not equal to the diameter of the center circle of the lower annular channel 2, and the plane of the center circle of the upper annular channel 1 is not coplanar with the plane of the center circle of the lower annular channel 2, i.e., the upper annular channel 1 and the lower annular channel 2 are arranged in a staggered manner, so that the structural stability can be improved, and the thickness of the upper disc 100 can be made thinner under the condition of meeting the structural strength.

Further, four diagonal positions of the bottom surface of the upper plate 100 are respectively provided with a first upper limiting column 105, four diagonal positions of the top surface of the lower plate 200 are respectively provided with a first lower limiting column 206, the first upper limiting columns 105 and the first lower limiting columns 206 are arranged in a one-to-one correspondence manner, and the corresponding first upper limiting columns 105 and the first lower limiting columns 206 are coaxial. When the automobile upper limiting column 105 and the first lower limiting column 206 are arranged, the deflection angle generated between the upper disc 100 and the lower disc 200 can be limited, and deformation failure caused by overlarge deflection of the upper disc 100 and the lower disc 200 is avoided. Specifically, the upper plate 100 of the present embodiment is provided with an upper plate connecting hole 110 for connecting with a car seat, and the lower plate 200 is provided with a lower plate connecting hole 210 for connecting with a car chassis or a slide rail installed on the car chassis. The seat turntable of the embodiment can be directly connected with the automobile seat and the automobile chassis or a slide rail arranged on the automobile chassis, no additional auxiliary part is needed to be arranged, and the structure is simpler and more compact.

A rotation limiting structure may be further disposed between the upper disc 100 and the lower disc 200 in this embodiment, and specifically, the specific implementation of the rotation limiting structure is referred to as embodiment 2, which will not be described repeatedly.

The locking device of the embodiment is provided with the locking disc and the locking mechanism which can rotate relatively, and the rotating position between the locking disc and the locking mechanism can be locked by using the locking head arranged on the locking claw and the locking hole arranged on the locking disc; the technical purpose of multi-position locking can be met by arranging a plurality of locking hole groups on the locking disc; the locking claw is arranged on the locking seat in a rotating fit mode, the locking claw is driven to rotate, and then the locking head can be controlled to be inserted into the locking hole or pulled out of the locking hole, so that the locking state and the free state can be switched. According to the seat turntable, the upper disc is arranged between the pressure plate and the lower disc, the pressure plate is fixedly connected with the lower disc, and the upper disc is respectively in rotating fit with the pressure plate and the lower disc, so that the technical purpose that the upper disc can rotate relative to the lower disc can be achieved; through fixed mounting locking dish on the pressure disk, fixed mounting locking seat on the hanging wall, when needs adjust the seat rotation direction, take out locking head from the locking is downthehole, the hanging wall rotates for the locking dish, rotate after target in place with locking head insert the locking downthehole can, easy operation is convenient, not only can satisfy the operation requirement, the locking hole sets up on the locking dish in addition, can not influence the structural strength of hanging wall, the reliability is better.

Specifically, as shown in fig. 7-10, the structure of the upper plate is schematically illustrated. The upper disc of the embodiment comprises an upper disc body, wherein the upper disc body is provided with an upper disc central hole 101, an upper disc matching part 102 coaxial with the upper disc central hole 101 and an upper disc connecting part 103 positioned on one side of the upper disc matching part 102, which is back to the upper disc central hole 101; an upper connecting part reinforcing rib 104 for reinforcing structural strength is provided on the upper disc connecting part 103.

Further, four diagonal regions of the bottom surface of the upper disc connecting portion 103 are respectively provided with first upper limiting columns 105. The first upper limiting column 105 is used for controlling the deflection angle when the upper disc deflects relative to the lower disc, so that the upper disc is prevented from deforming and failing due to overlarge deflection angle. In this embodiment, an upper limiting column rib 106 is provided between the first upper limiting column 105 and the bottom surface of the upper disc connecting portion 103, so that the structural strength of the first upper limiting column 105 can be enhanced.

Further, an upper annular connecting portion 107 coaxial with the upper disc central hole 101 is provided between the upper disc connecting portion 103 and the upper disc engaging portion 102, an upper end of the upper annular connecting portion 107 is integrated with the upper disc connecting portion 103, and a lower end thereof is integrated with the upper disc engaging portion 102; an upper reinforcing rim 108 extending downward is provided around the periphery of the upper disc connecting portion 103, and an upper connecting portion reinforcing rib 104 is provided between the outer side wall of the upper annular connecting portion 107, the inner side wall of the upper reinforcing rim 108, and the bottom surface of the upper disc connecting portion 103. The upper reinforcing ribs 108 are arranged, so that the overall structural strength of the upper disc can be improved, and the upper disc connecting part 103 can be reinforced by the upper connecting rib 104 without weak points by arranging the upper connecting rib 104 between the outer side wall of the upper annular connecting part 107, the inner side wall of the upper reinforcing rib 108 and the bottom surface of the upper disc connecting part 103. The upper connecting portion rib 104 of the present embodiment is located in the radial direction of the upper disc center hole 101, and is mainly used for receiving an axial force generated when the upper disc and the lower disc deflect and collide with each other.

Further, the upper plate connecting portion 103 is provided with a lock mounting hole 109 for mounting a lock mechanism and an upper plate connecting hole 110 for connecting to a car seat. The locking seat 501 is arranged on the locking mounting hole 109, the upper disc connecting hole 110 is directly connected with the automobile seat, auxiliary accessories are not needed, and the structure is simpler and more compact.

Further, the upper plate mating part 102 includes a first mating ring 111 and a second mating ring 112. Specifically, when the inner diameter of the first mating ring 111 is smaller than the inner diameter of the second mating ring 112, and the bottom surface of the first mating ring 111 is higher than the bottom surface of the second mating ring 112, the fitting portion reinforcing ribs 113 are uniformly distributed between the inner wall of the second mating ring 112 and the bottom surface of the first mating ring 111 in an annular manner; when the inner diameter of the first mating ring 111 is larger than the inner diameter of the second mating ring 112, and the top surface of the first mating ring 111 is higher than the top surface of the second mating ring 112, the mating portion reinforcing ribs 113 are uniformly distributed between the inner wall of the first mating ring 111 and the top surface of the second mating ring 112 in an annular manner. The structural strength between the first and second mating rings 111 and 112 can also be enhanced under the condition that the weight of the upper plate mating part 102 is reduced. In this embodiment, a third arcuate slot 114 is formed around the upper surface of the first mating ring 111, and a fourth arcuate slot 115 is formed around the second mating ring 112.

In the upper plate of the embodiment, the upper plate matching part and the upper plate connecting part are arranged on the upper plate body, the upper plate matching part is respectively used for rotationally matching with the lower plate and the pressure plate, and the upper plate connecting part is used for connecting with a seat; in the use, the seat carousel takes place the incline when the automobile vibrates, leads to the edge around the hanging wall body and lower wall to bump, produces moment of flexure effect, through set up the connecting portion strengthening rib on last dish connecting portion, can effectively strengthen bending resistance structural performance to avoid the hanging wall to warp, improve the structural strength of hanging wall.

As shown in fig. 11-14, which are schematic structural views of the lower plate. The lower disc of the embodiment comprises a lower disc body, wherein the lower disc body is provided with a lower disc central hole 201, a lower disc matching part 202 coaxial with the lower disc central hole 201 and a lower disc connecting part 203 positioned on one side, back to the lower disc central hole 201, of the lower disc matching part 202; the lower plate matching portion 202 is provided with a matching portion reinforcing rib 204, and the lower plate connecting portion 203 is provided with a lower connecting portion reinforcing rib 205.

Further, four diagonal regions of the top surface of the lower disc connecting portion 203 are respectively provided with a first lower limiting column 206. The first lower limiting column 206 is used for controlling the deflection angle when the lower disc and the upper disc deflect relatively, so as to avoid the deformation and failure of the lower disc due to overlarge deflection angle. In this embodiment, a lower limiting pillar reinforcement rib 207 is disposed between the first lower limiting pillar 206 and the top surface of the lower disc connecting portion 203, so that the structural strength of the first lower limiting pillar 206 can be enhanced.

Further, a lower annular connecting part 208 coaxial with the lower disc central hole 201 is arranged between the lower disc connecting part 203 and the lower disc matching part 202, the upper end of the lower annular connecting part 208 and the lower disc matching part 202 are integrated, and the lower end of the lower annular connecting part 208 and the lower disc connecting part 203 are integrated; the matching part reinforcing rib 204 is arranged between the inner side wall of the lower annular connecting part 208 and the bottom surface of the lower disc matching part 202, the lower connecting part reinforcing rib 205 is arranged between the outer side wall of the lower annular connecting part 208 and the top surface of the lower disc connecting part 203, the lower disc connecting part 203 and the lower disc matching part 202 are connected into a whole through the lower annular connecting part 208, the matching part reinforcing rib 204 is arranged between the inner side wall of the lower annular connecting part 208 and the bottom surface of the lower disc matching part 202, the lower connecting part reinforcing rib 205 is arranged between the outer side wall of the lower annular connecting part 208 and the top surface of the lower disc connecting part 203, the lower disc connecting part 203 and the lower disc matching part 202 are respectively reinforced by the lower connecting part reinforcing rib 205 and the matching part reinforcing rib 204, and weak points can not appear. Preferably, the lower disk connecting portion 203 of the present embodiment is provided with a lower reinforcing edge 209 extending upward at the peripheral edge, and the lower connecting portion reinforcing rib 205 extends to the lower reinforcing edge 209 and is integrally connected to the lower reinforcing edge 209, so as to further enhance the structural strength of the lower disk. The lower connecting portion rib 205 of the present embodiment is located in the radial direction of the lower disk center hole 201, and is mainly used for receiving an axial force generated when the upper disk and the lower disk are deflected and collided. The fitting part reinforcing rib 204 is located in the radial direction of the lower disc central hole 201 and is mainly used for bearing the tensile force between the lower disc and the pressure plate.

Further, the lower disc connecting portion 203 is provided with a lower disc connecting hole 210 for connecting with an automobile chassis or a slide rail mounted on the automobile chassis. The lower disc can be directly connected with the automobile chassis or a sliding rail fixedly installed on the automobile chassis through the lower disc connecting hole 210, other auxiliary accessories are not needed, and the structure is simpler and more compact.

Further, the lower disc matching portion 202 comprises a connecting ring 211 and a lower disc matching ring 212 located on one side, back to the lower disc central hole 201, of the connecting ring 211, lower disc connecting through holes 213 used for being fixedly connected with the locking disc are annularly and uniformly distributed on the connecting ring 211, and a second circular arc groove 214 surrounding the circle is formed in the top surface of the lower disc matching ring 212. Specifically, the two sides of the lower disc connecting through hole 113 of the present embodiment are respectively provided with a fitting portion reinforcing rib 204.

In the lower disc of the embodiment, the lower disc matching part and the lower disc connecting part are arranged on the lower disc body, the lower disc matching part is used for being matched with the upper disc in a rotating mode and connected with the pressure disc, and the lower disc connecting part is used for being connected with the automobile chassis or a sliding rail arranged on the automobile chassis; in the use process, the seat turntable deflects when an automobile vibrates, so that the peripheral edge of the lower disc body collides with the upper disc to generate a bending moment effect, and the bending resistance structural performance can be effectively enhanced by arranging the upper connecting part reinforcing ribs on the upper disc connecting part, so that the deformation of the lower disc connecting part is avoided, and the structural strength of the lower disc is improved; automobile vibration still can lead to producing the axial tension effect between lower wall and the pressure disk, is used for strengthening the structural strength of the connection position between lower wall and the pressure disk through setting up cooperation portion strengthening rib to prevent that lower wall cooperation portion from producing the deformation, improve the structural strength of lower wall.

As shown in fig. 15-17, the platen is shown in schematic form. The pressure plate of the embodiment comprises a pressure plate body, wherein the pressure plate body is provided with a pressure plate center hole 301, a pressure plate connecting part 302 coaxially arranged with the pressure plate center hole 301, and a pressure plate matching part 303 positioned on one side of the pressure plate connecting part 302, which is opposite to the pressure plate center hole 301; a platen reinforcing rib 304 for reinforcing the structural strength is provided on the top surface of the platen connecting portion 302.

Further, the inner edge of the platen connection portion 302 is provided with a platen reinforcing edge 305 extending upward, which can enhance the structural strength of the platen, particularly the platen connection portion 302. The platen reinforcing ribs 304 of the present embodiment are provided between the inner side walls of the platen reinforcing side 305 and the top surface of the platen connecting portion 302.

Further, pressure plate connecting seats 306 are annularly and uniformly arranged on the pressure plate connecting part 302, and pressure plate connecting holes 307 are arranged in the pressure plate connecting seats 306. Through setting up pressure disk connecting seat 306 to the thickness of reinforcing connection portion, thereby reinforcing structural strength. A connecting seat reinforcing rib 308 is arranged between the top surfaces of the pressure plate connecting seat 306 and the pressure plate connecting part 302 of the embodiment, so that the weak point of the structure between the pressure plate connecting seat 306 and the pressure plate connecting part 302 is avoided.

Further, be equipped with an at least pressure disk strengthening rib 304 between two adjacent pressure disk connecting seats 306, be equipped with a pressure disk strengthening rib 304 between two adjacent pressure disk connecting seats 306 of this embodiment, it is concrete, the quantity of the pressure disk strengthening rib 304 between two adjacent pressure disk connecting seats 306 sets up according to structural strength's actual demand, no longer states tiredly.

Further, the top surface of pressure disk cooperation portion 303 and pressure disk connecting seat 306 one-to-one are equipped with horizontal strengthening rib 309, strengthen the regional structural strength that pressure disk cooperation portion 303 and pressure disk connecting seat 306 correspond to avoid producing deformation. The horizontal strengthening rib 309 of this embodiment is the symmetry setting for the plane of crossing the axis of pressure disk centre bore 301 and the pressure disk connecting seat 306 that corresponds simultaneously, and horizontal strengthening rib 309 can be the linear type strengthening rib, and horizontal strengthening rib 309 also can be the arc strengthening rib coaxial with pressure disk centre bore 301, and the horizontal strengthening rib 309 of this embodiment also can be the arc strengthening rib coaxial with pressure disk centre bore 301.

Further, a first circular arc groove 310 surrounding one circle is provided on the bottom surface of the platen engaging portion 303 for engaging with the third circular arc groove 114 provided on the upper plate.

In the pressure plate of the embodiment, the pressure plate connecting part and the pressure plate matching part are arranged on the pressure plate body, the pressure plate connecting part is used for being connected with the lower plate, and the pressure plate matching part is used for being in rotating fit with the upper plate; in the use, automobile vibration can lead to producing the axial tension effect between lower wall and the pressure disk, is used for strengthening the structural strength at the position of being connected between pressure disk and the lower wall through setting up the pressure disk strengthening rib to prevent that pressure disk cooperation portion from producing the deformation, improve the structural strength of pressure disk.

Example 2

As shown in fig. 18, is a schematic structural view of embodiment 1 of the seat pan of the present invention. The seat turnplate of the embodiment comprises an upper plate 100, a lower plate 200 and a pressure plate 300, wherein the lower plate 200 is fixedly connected with the pressure plate 300, and the upper plate 100 is arranged between the lower plate 200 and the pressure plate 300 in a rotating fit mode.

Specifically, an upper connecting column 116 and an upper hanging plate 117 are respectively arranged at four diagonal positions of the bottom surface of the upper disc 100, an upper connecting hole is formed in the upper connecting column 116, the upper hanging plate 117 is fixedly mounted on the upper connecting column 116 through an upper connecting screw 118 penetrating through the upper connecting hole, and specifically, the upper connecting screw 118 is also directly connected with a chassis or a guide rail and other structures mounted on the chassis. The four diagonal positions on the top surface of the lower disc 200 are respectively provided with a lower connecting column 215 and a lower hanging plate 216; the upper connecting column 116 is provided with a lower connecting hole, the lower hanging plate 216 is fixedly installed on the lower connecting column 215 through a lower connecting screw 217 penetrating through the lower connecting hole, and specifically, the lower connecting screw 217 can also be directly connected with the turntable reinforcement. Upper peg board 117 is located below lower peg board 216, and in a view along the axial direction of upper plate 100, upper peg board 117 and lower peg board 216 partially overlap. In this embodiment, upper reinforcing columns 120 are provided on the bottom surface of the upper tray 100 in one-to-one correspondence with the lower connecting columns 215, and lower reinforcing columns 219 are provided between the top surface of the lower tray 200 and the upper connecting columns 116. Under the extreme conditions of collision and the like, the seat part positioned at the upper part of the seat turntable of the embodiment is stressed to incline; in the side where the gap is reduced: the upper connecting column 116 is inclined downwards, at this time, a support structure is formed between the upper connecting column 116 and the upper connecting screw 118 and the lower reinforcing column 219, and a support structure is formed between the lower connecting column 215 and the lower connecting screw 217 and the upper reinforcing column 120; in the side where the gap increases: the upper hanging plate 117 is in limit fit with the lower hanging plate 216; so, can improve the holistic atress of seat and support, make the stress point more even scatter, form better support, avoid bigger deformation and destruction.

Further, a rotation limiting structure is further arranged between the upper disc 100 and the lower disc 200. The rotation limiting structure comprises a limiting sheet 3 fixedly arranged on the top surface of the locking disc 400. The spacing piece 3 can be the annular equipartition establish a plurality ofly, and the spacing piece 3 of this embodiment establishes one. The stopper structure may further include a second upper stopper column 119 disposed on the bottom surface of the upper plate 100 and a second lower stopper column 218 disposed on the top surface of the lower plate 200, the second upper stopper column 119 and the second lower stopper column 218 are located at equal distances from the axis of the upper plate 100, and the sum of the lengths of the second upper stopper column 119 and the second lower stopper column 218 is greater than the distance between the bottom surface of the upper plate 100 and the top surface of the lower plate 200. The locking disc 400 of the present embodiment is provided with the limiting plate 3, and the bottom surface of the upper disc 100 is provided with the second upper limiting column 119, and the top surface of the lower disc 200 is provided with the second lower limiting column 218, so that the technical effect of multiple limiting is achieved.

Specifically, the upper disc 100 of the present embodiment includes an upper disc body, which is provided with an upper disc central hole 101, an upper disc matching part 102 coaxial with the upper disc central hole 101, and an upper disc connecting part 103 located on one side of the upper disc matching part 102 opposite to the upper disc central hole 101; an upper connecting part reinforcing rib 104 for reinforcing structural strength is provided on the upper disc connecting part 103.

In this embodiment, four diagonal regions of the bottom surface of the upper disc connecting portion 103 are respectively provided with an upper connecting post 116, an upper hanging plate 117 and an upper reinforcing post 120, an upper connecting hole is formed in the upper connecting post 116, and the upper hanging plate 117 is fixedly mounted on the upper connecting post 116 by an upper connecting screw 118 penetrating through the upper connecting hole. An upper limiting column reinforcing rib is arranged between the upper connecting column 116 and the bottom surface of the upper disc connecting part 103. A second upper limit column 119 is provided on the bottom surface of the upper disc connecting portion 103.

The lower disc 200 of the embodiment comprises a lower disc body, wherein the lower disc body is provided with a lower disc central hole 201, a lower disc matching part 202 coaxial with the lower disc central hole 201 and a lower disc connecting part 203 positioned on one side of the lower disc matching part 202 back to the lower disc central hole 201; the lower plate matching portion 202 is provided with a matching portion reinforcing rib 204, and the lower plate connecting portion 203 is provided with a lower connecting portion reinforcing rib 205.

In this embodiment, four diagonal regions of the top surface of the lower disc connecting portion 203 are respectively provided with a lower connecting column 215, a lower hanging plate 216 and a lower reinforcing column 219, the upper connecting column 116 is provided with a lower connecting hole, and the lower hanging plate 216 is fixedly mounted on the lower connecting column 215 by a lower connecting screw 217 penetrating through the lower connecting hole. The top surface of the lower plate connecting portion 203 is provided with an upper limiting column 218.

Other embodiments of the present embodiment are the same as embodiment 1, and will not be described in detail.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (10)

1. A locking device, characterized by: the locking mechanism comprises a locking disc (400) and a locking mechanism, wherein the locking disc (400) and the locking mechanism can rotate relatively around a rotating shaft of the locking disc (400);

locking mechanism includes locking seat (501), be equipped with on locking seat (501) rather than normal running fit's locking claw (502), be equipped with at least one locking head (503) on locking claw (502), be equipped with on locking dish (400) with locking head (503) complex locking punch combination, locking punch combination include with locking hole (401) that locking head (503) one-to-one set up.

2. The lock-out mechanism of claim 1, wherein: a rotating shaft (505) is arranged on the locking seat (501), and the locking claw (502) is installed on the rotating shaft (505) in a rotating fit manner; or, a rotating shaft (505) is arranged on the locking seat (501), the locking claw (502) is fixedly connected with the rotating shaft (505), and the rotating shaft (505) is in rotating fit with the locking seat (501).

3. The lock-out mechanism of claim 1, wherein: and a locking retaining piece (504) which enables the locking head (503) to be retained and inserted into the corresponding locking hole (401) is arranged between the locking seat (501) and the locking claw (502).

4. The lock-out mechanism of any one of claims 1 to 3, wherein: the locking hole groups are uniformly distributed on the locking disc (400) in an annular manner.

5. The lock-out mechanism of claim 4, wherein: the number of the locking mechanisms is at least one, and when the number of the locking mechanisms is at least two, the mechanical angle occupied by two adjacent locking mechanisms relative to the axis of the locking disc (400) is equal to the integral multiple of the mechanical angle occupied by two adjacent locking hole groups relative to the axis of the locking disc (400).

6. A seat pan comprising an upper plate (100), a lower plate (200) and a pressure plate (300), the lower plate (200) and the pressure plate (300) being fixedly connected, the upper plate (100) being mounted with a running fit between the lower plate (200) and the pressure plate (300), characterized in that: further comprising a locking arrangement according to any of claims 1-4, the locking disc (400) being fixedly mounted on the pressure plate (300) and the locking seat (501) being fixedly mounted on the upper disc (100).

7. The seat pan of claim 6, wherein: a first arc groove (310) surrounding a circle is formed in the bottom surface of the pressure plate (300), a second arc groove (214) surrounding a circle is formed in the top surface of the lower disc (200), a third arc groove (114) is formed in the top surface of the upper disc (100) and corresponds to the first arc groove (310), and a fourth arc groove (115) is formed in the bottom surface of the upper disc and corresponds to the second arc groove (214); first circular arc groove (310) with annular channel (1) on forming between third circular arc groove (114), second circular arc groove (214) with annular channel (2) down forms between fourth circular arc groove (115), it is coaxial with annular channel (2) down to go up annular channel (1), just be equipped with ball mechanism in annular channel (1) and the annular channel (2) down respectively.

8. The seat pan of claim 7, wherein: the diameter of the central circle of the upper annular channel (1) is not equal to that of the central circle of the lower annular channel (2), and the plane where the central circle of the upper annular channel (1) is located is not coplanar with the plane where the central circle of the lower annular channel (2) is located.

9. The seat pan of claim 6, wherein: four diagonal positions of the bottom surface of the upper disc (100) are respectively provided with a first upper limiting column (105), and four diagonal positions of the top surface of the lower disc (200) are respectively provided with a first lower limiting column (206); the first upper limiting columns (105) and the first lower limiting columns (206) are arranged in a one-to-one correspondence manner, and the corresponding first upper limiting columns (105) and the corresponding first lower limiting columns (206) are coaxial; an upper disc connecting hole (110) used for being connected with an automobile seat is formed in the upper disc (100), and a lower disc connecting hole (210) used for being connected with an automobile chassis or a sliding rail arranged on the automobile chassis is formed in the lower disc (200); or the like, or, alternatively,

an upper connecting column (116) and an upper hanging plate (117) are respectively arranged at four diagonal positions of the bottom surface of the upper disc (100), an upper connecting hole is formed in the upper connecting column (116), and the upper hanging plate (117) is fixedly installed on the upper connecting column (116) through an upper connecting screw (118) penetrating through the upper connecting hole; the four diagonal positions of the top surface of the lower disc (200) are respectively provided with a lower connecting column (215) and a lower hanging plate (216); a lower connecting hole is formed in the upper connecting column (116), and the lower hanging plate (216) is fixedly installed on the lower connecting column (215) through a lower connecting screw (217) penetrating through the lower connecting hole;

upper reinforcing columns (120) are arranged on the bottom surface of the upper tray (100) and the lower connecting columns (215) in a one-to-one correspondence manner, and lower reinforcing columns (219) are arranged between the top surface of the lower tray (200) and the upper connecting columns (116);

the upper hanging plate (117) is positioned below the lower hanging plate (216), and the upper hanging plate (117) and the lower hanging plate (216) are partially overlapped in a view along the axial direction of the upper plate (100).

10. The seat pan of claim 6, wherein: a rotation limiting structure is further arranged between the upper disc (100) and the lower disc (200); the rotation limiting structure comprises a limiting sheet (3) fixedly arranged on the top surface of the locking disc (400); and/or the limiting structure comprises a second upper limiting column (119) arranged on the bottom surface of the upper disc (100) and a second lower limiting column (218) arranged on the top surface of the lower disc (200), the distances from the second upper limiting column (119) to the axis of the upper disc (100) are equal to the distances from the second lower limiting column (218) to the axis of the upper disc (100), and the sum of the lengths of the second upper limiting column (119) and the second lower limiting column (218) is greater than the distance between the bottom surface of the upper disc (100) and the top surface of the lower disc (200).

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