CN113679195A - Structure for improving rear collision strength of rotary seat mechanism - Google Patents
Structure for improving rear collision strength of rotary seat mechanism Download PDFInfo
- Publication number
- CN113679195A CN113679195A CN202111133263.6A CN202111133263A CN113679195A CN 113679195 A CN113679195 A CN 113679195A CN 202111133263 A CN202111133263 A CN 202111133263A CN 113679195 A CN113679195 A CN 113679195A
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- wall plate
- bushing
- improving
- step bolt
- slide rail
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- 125000006850 spacer group Chemical group 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 14
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- -1 is assembled Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/18—Chairs or stools with rotatable seat
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
Abstract
The invention provides a structure for improving the rear impact strength of a rotary seat mechanism, which comprises a connecting wall plate, a first slide rail component and a second slide rail component, wherein the connecting wall plate is provided with a first slide rail and a second slide rail; the connecting wall plate is connected to the first slide rail component and the second slide rail component in a manner that the connecting wall plate can rotate around the first connecting structure through a first connecting structure, a second connecting structure, a third connecting structure and a fourth connecting structure; the connecting parts of the first connecting structure, the second connecting structure, the third connecting structure and the fourth connecting structure and the connecting wall plate are distributed at four corners of the connecting wall plate and are arranged anticlockwise, the first connecting structure and the second connecting structure are connected between the connecting wall plate and the first slide rail assembly, and the third connecting structure and the fourth connecting structure are connected between the connecting wall plate and the second slide rail assembly; the first connecting structure and the connecting part of the connecting wall plate are positioned right above the first slide rail component. The structure for improving the rear collision strength of the rotary seat mechanism improves the strength and rigidity of the mechanism and has low assembly complexity.
Description
Technical Field
The invention relates to the field of rotary seats, in particular to a structure for improving the rear collision strength of a rotary seat mechanism.
Background
Limited by conventional seat frame systems, existing frame supports are disposed at the four corners of the swivel mechanism. Simultaneously, for satisfying rotation function, the position that key hinge point arranged can appear keeps away from the skeleton support, can form a cantilever beam structure here, and the cantilever is great, directly reduces the intensity and the rigidity of whole chair.
In addition, in the existing seat rotating mechanism scheme, in order to bear radial load by using a bush at a rotating hinge, a large-area circular lubricating gasket is used for bearing axial load, but the gasket is difficult to position, and is easy to damage in the assembling process, so that the assembling efficiency is extremely low.
Referring to fig. 1, in a conventional framework support, since 4 conventional framework supports are located at 4 opposite corners of a turntable, and the framework support includes a first support 1, a second support 2, a third support 3 and a fourth support 4, there may be a case where a large cantilever exists from a hinge at a circling position to the first support 1.
Disclosure of Invention
In view of the above-mentioned deficiencies in the prior art, the present invention provides a structure for improving the rear impact strength of a swivel seat mechanism, which improves the strength and rigidity of the mechanism and has low assembly complexity.
In order to achieve the above object, the present invention provides a structure for improving the rear impact strength of a swivel seat mechanism, comprising a connecting wall plate, a first slide rail assembly and a second slide rail assembly; the connecting wall plate is connected to the first slide rail assembly and the second slide rail assembly in a manner that the connecting wall plate can rotate around the first connecting structure through a first connecting structure, a second connecting structure, a third connecting structure and a fourth connecting structure; the connecting parts of the first connecting structure, the second connecting structure, the third connecting structure and the fourth connecting structure and the connecting wall plate are distributed at four corners of the connecting wall plate and are arranged anticlockwise, the first connecting structure and the second connecting structure are connected between the connecting wall plate and the first slide rail assembly, and the third connecting structure and the fourth connecting structure are connected between the connecting wall plate and the second slide rail assembly; the connecting part of the first connecting structure and the connecting wall plate is positioned right above the first slide rail assembly; and the third connecting structure and the connecting part of the connecting wall plate are positioned right above the second slide rail assembly.
Preferably, the first connecting structure comprises a first boss, a first step bolt and a first connecting bracket; the connecting wall plate is downwards provided with the first boss, and the middle part of the first boss is provided with a first connecting hole; the first connecting bracket is upwards provided with a second boss, and the middle part of the second boss is provided with a first screw hole; the first step bolt penetrates through the first connecting hole from top to bottom and is in threaded connection with the first screw hole; the first connecting bracket is fixed on the first slide rail component.
Preferably, the second connecting structure comprises a third boss, a first step nut, a second step bolt and a second connecting bracket; the connecting wall plate is downward to form the third boss, and a second connecting hole is formed in the middle of the third boss; the second connecting bracket forms a first arc-shaped through groove; the second connecting bracket is fixed on the first sliding rail component; the second step bolt penetrates through the first arc-shaped through groove from bottom to top and is arranged in the second connecting hole, and the first step nut is in threaded connection with the top end of the second step bolt.
Preferably, the third connecting structure comprises a second arc-shaped through groove, a second step nut, a gasket, a plastic spacer bush, an outer hexagon nut, a third connecting support, a third step bolt, a fourth connecting support, a fourth boss and a fourth step bolt; the connecting wall plate forms the second arc-shaped through groove; the third connecting bracket is arc-shaped, a third connecting hole is formed at one end of the third connecting bracket, and a second screw hole is formed at the other end of the third connecting bracket; the third step is connected to the fourth connecting bracket through a bolt, and the fourth connecting bracket is fixed on the second slide rail assembly; the third step bolt sequentially penetrates through the third connecting hole, the outer hexagon nut, the plastic spacer bush, the second arc-shaped through groove and the gasket from bottom to top; the second step nut is in threaded connection with the top end of the third step bolt; the connecting wall plate is downward beside the second arc-shaped through groove to form the fourth boss; a fourth connecting hole is formed in the middle of the fourth boss; and the fourth step bolt penetrates through the fourth connecting hole from top to bottom and is in threaded connection with the second screw hole.
Preferably, the fourth connecting structure comprises a fifth boss, a third step nut, a fifth step bolt and a fifth connecting bracket; the connecting wall plate is downward to form the fifth boss, and the middle part of the fifth boss is provided with a fifth connecting hole; the fifth connecting bracket is fixed on the second slide rail assembly and forms a third arc-shaped through groove; the fifth step bolt penetrates through the third arc-shaped through groove and the fifth connecting hole from bottom to top; and the third step nut is in threaded connection with the top of the fifth step bolt.
Preferably, the first connection structure further includes a first bushing, and the first bushing is sleeved outside the first step bolt and is padded between the first step bolt and the first connection hole.
Preferably, the second connecting structure further includes a second bushing, and the second bushing is sleeved outside the second step bolt and is padded between the second step bolt and the second connecting hole.
Preferably, the third connecting structure further comprises a third bushing and a fourth bushing; the third bushing is sleeved outside the third step bolt and is padded between the third step bolt and the third connecting hole; the fourth bushing is sleeved outside the fourth step bolt and is arranged between the fourth step bolt and the fourth connecting hole in a cushioning mode.
Preferably, the fourth connecting structure further comprises a fifth bushing; the fifth bushing is sleeved outside the fifth step bolt and is padded between the fifth step bolt and the fifth connecting hole.
Preferably, the connecting wall plate can move between the gasket and the upper and lower limiting interlayers of the plastic spacer bush, and the movement track of the connecting wall plate is the track of the second arc-shaped through groove.
Preferably, the plastic spacer is fitted between the connection wall plate and the outer hexagonal nut, and the plastic spacer supports the connection wall plate and restricts the connection wall plate from collapsing.
Preferably, the second step nut and the third step bolt are used for limiting the tilting of the connecting wall plate after being pre-tightened, so that the strength and the rigidity of the system are improved.
Preferably, the connecting portion of the third connecting structure and the connecting wall plate is located right above the second slide rail assembly, and the third connecting structure always carries out up-and-down limiting support on the slotting curve of the connecting wall plate no matter how the connecting wall plate moves, so that the length of the cantilever is reduced, and the strength and the rigidity of the mechanism are improved.
Preferably, the first bushing, the second bushing, the fourth bushing and the fifth bushing are fixed to the connecting wall plate by a press-riveting process; and the third bushing is fixed on the third connecting bracket through a press riveting process.
Preferably, said first, second, third, fourth and fifth bushings include a top surface, an annular side wall and a functional surface; the top of the annular side wall extends outwards to form the top surface; the bottom of the annular side wall extends outwards to form the functional surface; the functional surface comprises a plurality of flaps which are radially connected to the bottom of the annular side wall.
Preferably, the surfaces of the first, second, third, fourth and fifth bushings are coated with a lubricating coating.
Preferably, the plastic spacer bush is made of wear-resistant POM material; the plastic spacer sleeve forms a cavity which is matched with the outer hexagon nut, and the outer hexagon nut is accommodated in the cavity.
Preferably, the connecting wall plate sinks at the periphery of the second arc-shaped through groove and the second arc-shaped through groove; the top surface of the second stepped nut is lower than the upper surface of the connecting wall plate.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the first bush, the second bush, the fourth bush and the fifth bush are fixed on the connecting wall plate through a press riveting process; the third bushing is fixed on the third connecting bracket through a press riveting process; the lining does not need to be positioned during assembly, and the assembly efficiency is improved. The functional surface of the lining comprises a plurality of radially arranged petals, the functional surface is in a petal shape and is used for bearing the axial load of the system, the length of the petals in the petal shape is convenient to process, the area of the functional surface can be large enough, and the pressure between the supporting surfaces can be reduced; meanwhile, the intermittent modeling of the petals is convenient for storing grease, and the surface of the lining is provided with a lubricating coating, so that the friction coefficient between the functional surface and the supporting surface can be reduced, and the durable service life is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a conventional skeletal support;
FIG. 2 is a schematic structural diagram of a structure for improving the rear impact strength of a swivel seat mechanism according to an embodiment of the present invention;
FIG. 3 is an exploded view of a structure for improving the rear impact strength of a swivel seat mechanism according to an embodiment of the present invention;
FIG. 4 is an exploded view of a first connection configuration of an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a first connection structure according to an embodiment of the present invention;
FIG. 6 is an exploded view of a third connection configuration in accordance with an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a third connection structure according to an embodiment of the present invention;
FIG. 8 is an exploded view of a fourth connection structure according to an embodiment of the present invention;
fig. 9 is a sectional view of a fourth connection structure of the embodiment of the present invention.
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, fig. 2 to 9, and will be described in detail to better understand the functions and features of the present invention.
Referring to fig. 2 and 3, a structure for improving the rear impact strength of a swivel seat mechanism according to an embodiment of the present invention includes a connecting wall plate 1, a first slide rail assembly 2 and a second slide rail assembly 3; the connecting wall plate 1 is connected to the first slide rail component 2 and the second slide rail component 3 in a manner that the connecting wall plate can rotate around the first connecting structure 4 through a first connecting structure 4, a second connecting structure 5, a third connecting structure 6 and a fourth connecting structure 7; the connecting parts of the first connecting structure 4, the second connecting structure 5, the third connecting structure 6 and the fourth connecting structure 7 and the connecting wall plate 1 are distributed at four corners of the connecting wall plate 1 and are arranged anticlockwise, the first connecting structure 4 and the second connecting structure 5 are connected between the connecting wall plate 1 and the first slide rail assembly 2, and the third connecting structure 6 and the fourth connecting structure 7 are connected between the connecting wall plate 1 and the second slide rail assembly 3; the connecting part of the first connecting structure 4 and the connecting wall plate 1 is positioned right above the first slide rail component 2; the connecting part of the third connecting structure 6 and the connecting wall plate 1 is positioned right above the second slide rail component 3.
Referring to fig. 3 to 5, the first connecting structure 4 includes a first boss 41, a first step bolt 42, a first bushing 43 and a first connecting bracket 44; the connecting wall plate 1 is downwards provided with a first boss 41, and a first connecting hole is formed in the middle of the first boss 41; the first connecting bracket 44 is upwardly formed with a second boss 441, and a first screw hole is formed in the middle of the second boss 441; the first step bolt 42 passes through the first connecting hole from top to bottom and is in threaded connection with the first screw hole; the first bushing 43 is sleeved outside the first step bolt 42 and is padded between the first step bolt 42 and the first connection hole; the first connecting bracket 44 is fixed to the first slide rail assembly 2.
The first bushing 43 receives the radial load of the first step bolt 42; the first step bolt 42 connects the connecting wall plate 1 and the first bushing 43 to the first connecting bracket 44 from the top down, thereby realizing the functions of rotating and supporting the hinge.
Referring to fig. 3, the second connecting structure 5 includes a third boss 51, a first stepped nut 52, a second bushing 53, a second stepped bolt 54 and a second connecting bracket 55; the connecting wall plate 1 is downwards provided with a third boss 51, and the middle part of the third boss 51 is provided with a second connecting hole; the second connecting bracket 55 forms a first arc-shaped through groove 551; the second connecting bracket 55 is fixed on the first slide rail assembly 2; the second step bolt 54 penetrates through the first arc-shaped through groove 551 and the second connecting hole from bottom to top, and the first step nut 52 is screwed at the top end of the second step bolt 54; the second bushing 53 is sleeved outside the second step bolt 54 and is padded between the second step bolt 54 and the second connection hole.
Referring to fig. 3, 6 and 7, the third connecting structure 6 includes a second arc-shaped through slot 601, a second step nut 602, a spacer 603, a plastic spacer 604, an outer hexagon nut 605, a third bushing 606, a third connecting bracket 607, a third step bolt 608, a fourth connecting bracket 609, a fourth boss 610, a fourth step bolt 611 and a fourth bushing 612; the connecting wall plate 1 forms a second arc-shaped through groove 601; the third connecting bracket 607 is arc-shaped, one end of the third connecting bracket 607 forms a third connecting hole, and the other end of the third connecting bracket 607 forms a second screw hole; the third step bolt 608 is connected to a fourth connecting bracket 609, and the fourth connecting bracket 609 is fixed on the second slide rail component 3; a third step bolt 608 sequentially penetrates through the third connecting hole, the outer hexagon nut 605, the plastic spacer 604, the second arc-shaped through groove 601 and the gasket 603 from bottom to top; the second step nut 602 is screwed on the top end of the third step bolt 608; the third bushing 606 is sleeved outside the third step bolt 608 and is padded between the third step bolt 608 and the third connecting hole; the connecting wall plate 1 is provided with a fourth boss 610 downwards beside the second arc-shaped through groove 601; a fourth connection hole is formed in the middle of the fourth boss 610; the fourth step bolt 611 passes through the fourth connecting hole from top to bottom and is in threaded connection with the second screw hole; the fourth bushing 612 is sleeved outside the fourth step bolt 611 and is disposed between the fourth step bolt 611 and the fourth connection hole.
The third connecting structure 6 and the connecting portion of the connecting wall plate 1 are located right above the second slide rail assembly 3, and the third connecting structure 6 always carries out upper and lower limiting support on the slotting curve of the connecting wall plate 1 no matter how the connecting wall plate 1 moves.
The plastic spacer 604 is made of wear-resistant POM material; the plastic spacer 604 forms a cavity which mates with the outer hex nut 605, and the outer hex nut 605 is received within the cavity.
The connecting wall plate 1 sinks at the periphery of the second arc-shaped through groove 601 and the second arc-shaped through groove 601; the top surface of the second step nut 602 is lower than the upper surface of the connection wall plate 1.
During assembly, the third step bolt 608 is fixed with the fourth connecting bracket 609 by using a press riveting process;
the third connecting bracket 607 is assembled with the third bushing 606 by a press-riveting process;
next, the third connecting bracket 607 is pre-tightened with the fourth connecting bracket 609 by means of the hexagon nut 605.
Next, a plastic spacer 604, which is made of a wear-resistant POM material, is assembled, and a cavity matching the outer hexagon nut 605 is formed to realize limiting, so that a sufficient gap is formed between the central through hole of the assembled plastic spacer 604 and the step section of the second step nut 602.
Next, the connecting wall plate 1 is assembled, and the second arc-shaped through groove 601 is formed thereon, and the inner diameter of the second arc-shaped through groove 601 and the step section of the second step nut 602 have enough clearance. The second arc-shaped through groove 601 area of the connecting wall plate 1 sinks integrally, so that the nut height of the second step nut 602 is lower than the upper mounting surface of the connecting wall plate 1, and the influence of the second step nut 602 on the framework part in the movement process is avoided.
Next, a gasket 603 is provided above the joint wall plate 1, and a lubricating coating is provided at the joint of the gasket 603 and the joint wall plate 1.
Next, above the second stepped nut 602 is a nut segment and below is a stepped segment, inside of which is a through internal thread, fastened by the internal thread and a third stepped bolt 608.
By means of the above-mentioned design,
the connecting wall plate 1 can move between the upper and lower limiting interlayers of the gasket 603 and the plastic spacer 604, and the movement track is the track of the second arc-shaped through groove 601.
The plastic spacer 604 is fitted between the connection wall plate 1 and the outer hexagon nut 605, and supports the connection wall plate 1 to restrict the connection wall plate 1 from collapsing.
The second step nut 602 and the third step bolt 608 are pre-tightened to limit the tilting of the connection panel 1, thereby improving the strength and rigidity of the system.
The third connecting structure 6 and the connecting portion of the connecting wall plate 1 are located right above the second slide rail assembly 3, and the third connecting structure 6 always carries out upper and lower limiting support on the slotting curve of the connecting wall plate 1 no matter how the connecting wall plate 1 moves. Thereby reducing the length of the cantilever and improving the strength and rigidity of the mechanism.
Referring to fig. 3, 8 and 9, the fourth connecting structure 7 includes a fifth boss 71, a third step nut 72, a fifth bushing 73, a fifth step bolt 74 and a fifth connecting bracket 75; the connecting wall plate 1 is downwards provided with a fifth boss 71, and a fifth connecting hole is formed in the middle of the fifth boss 71; the fifth connecting bracket 75 is fixed on the second slide rail assembly 3 and forms a third arc-shaped through groove; the fifth step bolt 74 penetrates through the third arc-shaped through groove and the fifth connecting hole from bottom to top; the third step nut 72 is screwed on the top of the fifth step bolt 74; the fifth bushing 73 is sleeved outside the fifth step bolt 74 and is padded between the fifth step bolt 74 and the fifth connecting hole.
The side wall of the fifth bush 73 bears the radial load of the third step nut 72; the boss of the third step nut 72 confronts the step of the fifth step bolt 74 to control the bolt axial compression force therein. The connecting wall plate 1 assembled with the fifth bushing 73 is fixed to the fifth connecting bracket 75 by the third stepped nut 72 and the fifth stepped bolt 74, thereby achieving the auxiliary guide and support functions.
Referring to fig. 2 to 9, in the present embodiment, the first bushing 43, the second bushing 53, the fourth bushing 612 and the fifth bushing 73 are fixed on the connecting wall plate 1 by a press-riveting process; the third bushing 606 is fixed to the third connecting bracket 607 through a press-riveting process.
The first bushing 43, the second bushing 53, the third bushing 606, the fourth bushing 612 and the fifth bushing 73 comprise a top surface, an annular side wall and a functional surface; the top of the annular side wall extends outwards to form a top surface; the bottom of the annular side wall extends outwards to form a functional surface; the functional surface includes a plurality of lamella, and the lamella is radial connection in the bottom of annular side wall.
The functional surface of the lining comprises a plurality of radially arranged petals, the functional surface is in a petal shape and is used for bearing the axial load of the system, the length of the petals in the petal shape is convenient to process, the area of the functional surface can be large enough, and the pressure between the supporting surfaces can be reduced; meanwhile, the intermittent modeling of the petals is convenient for storing grease, and the surface of the lining is provided with a lubricating coating, so that the friction coefficient between the functional surface and the supporting surface can be reduced, and the durable service life is prolonged.
The surfaces of the first bushing 43, the second bushing 53, the third bushing 606, the fourth bushing 612 and the fifth bushing 73 are coated with a lubricating coating.
Originally, be 4 hinges on the rotatory carousel, increase now for 4 hinges +1 fluting curves that sink, wherein sink fluting curve support and 5 hinge joint (figure 2 No. 6) to reduce the cantilever length of skeleton support 1 at this department, optimize the atress condition in principle.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (18)
1. A structure for improving the rear impact strength of a rotary seat mechanism is characterized by comprising a connecting wall plate, a first slide rail component and a second slide rail component; the connecting wall plate is connected to the first slide rail assembly and the second slide rail assembly in a manner that the connecting wall plate can rotate around the first connecting structure through a first connecting structure, a second connecting structure, a third connecting structure and a fourth connecting structure; the connecting parts of the first connecting structure, the second connecting structure, the third connecting structure and the fourth connecting structure and the connecting wall plate are distributed at four corners of the connecting wall plate and are arranged anticlockwise, the first connecting structure and the second connecting structure are connected between the connecting wall plate and the first slide rail assembly, and the third connecting structure and the fourth connecting structure are connected between the connecting wall plate and the second slide rail assembly; the connecting part of the first connecting structure and the connecting wall plate is positioned right above the first slide rail assembly; and the third connecting structure and the connecting part of the connecting wall plate are positioned right above the second slide rail assembly.
2. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 1, wherein the first connecting structure comprises a first boss, a first step bolt and a first connecting bracket; the connecting wall plate is downwards provided with the first boss, and the middle part of the first boss is provided with a first connecting hole; the first connecting bracket is upwards provided with a second boss, and the middle part of the second boss is provided with a first screw hole; the first step bolt penetrates through the first connecting hole from top to bottom and is in threaded connection with the first screw hole; the first connecting bracket is fixed on the first slide rail component.
3. The structure for improving the rear impact strength of a swivel seat mechanism according to claim 1, wherein the second connecting structure comprises a third boss, a first step nut, a second step bolt and a second connecting bracket; the connecting wall plate is downward to form the third boss, and a second connecting hole is formed in the middle of the third boss; the second connecting bracket forms a first arc-shaped through groove; the second connecting bracket is fixed on the first sliding rail component; the second step bolt penetrates through the first arc-shaped through groove from bottom to top and is arranged in the second connecting hole, and the first step nut is in threaded connection with the top end of the second step bolt.
4. The structure for improving the rear impact strength of a rotary chair mechanism as claimed in claim 1, wherein said third connecting structure comprises a second arc-shaped through groove, a second step nut, a gasket, a plastic spacer, an outer hexagon nut, a third connecting bracket, a third step bolt, a fourth connecting bracket, a fourth boss and a fourth step bolt; the connecting wall plate forms the second arc-shaped through groove; the third connecting bracket is arc-shaped, a third connecting hole is formed at one end of the third connecting bracket, and a second screw hole is formed at the other end of the third connecting bracket; the third step is connected to the fourth connecting bracket through a bolt, and the fourth connecting bracket is fixed on the second slide rail assembly; the third step bolt sequentially penetrates through the third connecting hole, the outer hexagon nut, the plastic spacer bush, the second arc-shaped through groove and the gasket from bottom to top; the second step nut is in threaded connection with the top end of the third step bolt; the connecting wall plate is downward beside the second arc-shaped through groove to form the fourth boss; a fourth connecting hole is formed in the middle of the fourth boss; and the fourth step bolt penetrates through the fourth connecting hole from top to bottom and is in threaded connection with the second screw hole.
5. The structure for improving the rear impact strength of a swivel seat mechanism according to claim 1, wherein the fourth connecting structure comprises a fifth boss, a third step nut, a fifth step bolt and a fifth connecting bracket; the connecting wall plate is downward to form the fifth boss, and the middle part of the fifth boss is provided with a fifth connecting hole; the fifth connecting bracket is fixed on the second slide rail assembly and forms a third arc-shaped through groove; the fifth step bolt penetrates through the third arc-shaped through groove and the fifth connecting hole from bottom to top; and the third step nut is in threaded connection with the top of the fifth step bolt.
6. The structure of claim 2, wherein the first connecting structure further comprises a first bushing, and the first bushing is sleeved outside the first step bolt and is disposed between the first step bolt and the first connecting hole.
7. The structure for improving the rear impact strength of a rotary seat mechanism as claimed in claim 3, wherein said second connecting structure further comprises a second bushing, said second bushing is sleeved outside said second step bolt and is cushioned between said second step bolt and said second connecting hole.
8. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 4, wherein said third connecting structure further comprises a third bushing and a fourth bushing; the third bushing is sleeved outside the third step bolt and is padded between the third step bolt and the third connecting hole; the fourth bushing is sleeved outside the fourth step bolt and is arranged between the fourth step bolt and the fourth connecting hole in a cushioning mode.
9. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 5, wherein said fourth connecting structure further comprises a fifth bushing; the fifth bushing is sleeved outside the fifth step bolt and is padded between the fifth step bolt and the fifth connecting hole.
10. The structure for improving the rear impact strength of a rotary chair mechanism as claimed in claim 4, wherein the connecting wall plate can move between the upper and lower limiting interlayers of the gasket and the plastic spacer, and the movement track of the connecting wall plate is the track of the second arc-shaped through groove.
11. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 4, wherein the plastic spacer is fitted between the connection wall plate and the outer hexagonal nut, the plastic spacer supporting the connection wall plate and limiting the connection wall plate from collapsing.
12. The structure for improving the rear impact strength of a rotary seat mechanism as claimed in claim 4, wherein the second step nut and the third step bolt are pre-tightened for limiting the tilting of the connecting wall plate, thereby improving the strength and rigidity of the system.
13. The structure for improving the rear impact strength of a rotary seat mechanism as claimed in claim 4, wherein the connecting portion of the third connecting structure and the connecting wall plate is located right above the second slide rail assembly, and the third connecting structure always performs upper and lower limit support on the slotting curve of the connecting wall plate no matter how the connecting wall plate moves, so that the length of the cantilever is reduced, and the strength and the rigidity of the mechanism are improved.
14. The structure for improving the rear impact strength of a swivel seat mechanism according to claim 6, 7, 8 or 9, wherein the first bushing, the second bushing, the fourth bushing and the fifth bushing are fixed to the connecting wall plate by a clinching process; and the third bushing is fixed on the third connecting bracket through a press riveting process.
15. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 6, 7, 8 or 9, wherein said first bushing, said second bushing, said third bushing, said fourth bushing and said fifth bushing comprise a top surface, an annular side wall and a functional surface; the top of the annular side wall extends outwards to form the top surface; the bottom of the annular side wall extends outwards to form the functional surface; the functional surface comprises a plurality of flaps which are radially connected to the bottom of the annular side wall.
16. The structure for improving the rear impact strength of a rotary seat mechanism according to claim 6, 7, 8 or 9, wherein the surfaces of the first bushing, the second bushing, the third bushing, the fourth bushing and the fifth bushing are coated with a lubricating coating.
17. The structure for improving the rear impact strength of a rotary seat mechanism as claimed in claim 4, wherein the plastic spacer is made of wear-resistant POM material; the plastic spacer sleeve forms a cavity which is matched with the outer hexagon nut, and the outer hexagon nut is accommodated in the cavity.
18. The structure for improving the rear impact strength of a swivel seat mechanism as claimed in claim 4, wherein the connecting wall plate is sunk in the second arc-shaped through groove and a portion of the periphery of the second arc-shaped through groove; the top surface of the second stepped nut is lower than the upper surface of the connecting wall plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133263.6A CN113679195A (en) | 2021-09-27 | 2021-09-27 | Structure for improving rear collision strength of rotary seat mechanism |
| PCT/CN2022/120783 WO2023046052A1 (en) | 2021-09-27 | 2022-09-23 | Structure for improving rear impact strength of swivel seat mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111133263.6A CN113679195A (en) | 2021-09-27 | 2021-09-27 | Structure for improving rear collision strength of rotary seat mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113679195A true CN113679195A (en) | 2021-11-23 |
Family
ID=78587371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111133263.6A Pending CN113679195A (en) | 2021-09-27 | 2021-09-27 | Structure for improving rear collision strength of rotary seat mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113679195A (en) |
| WO (1) | WO2023046052A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046052A1 (en) * | 2021-09-27 | 2023-03-30 | 恺博(常熟)座椅机械部件有限公司 | Structure for improving rear impact strength of swivel seat mechanism |
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| CN113679195A (en) * | 2021-09-27 | 2021-11-23 | 恺博座椅机械部件有限公司 | Structure for improving rear collision strength of rotary seat mechanism |
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- 2021-09-27 CN CN202111133263.6A patent/CN113679195A/en active Pending
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| CN103003094A (en) * | 2010-09-02 | 2013-03-27 | 凯波有限责任两合公司 | Vehicle seat which can be offset laterally |
| KR101629109B1 (en) * | 2014-12-30 | 2016-06-10 | 주식회사다스 | A structure for supporting rotation of a seat recliner |
| CN110774950A (en) * | 2019-10-29 | 2020-02-11 | 延锋安道拓(常熟)座椅机械部件有限公司 | Welcome sliding rail |
| CN112158109A (en) * | 2020-09-30 | 2021-01-01 | 延锋安道拓座椅机械部件有限公司 | Rotary seat mechanism |
| CN112172621A (en) * | 2020-09-30 | 2021-01-05 | 延锋安道拓座椅机械部件有限公司 | Rotary seat mechanism capable of improving movement clearance |
| CN113060055A (en) * | 2021-03-30 | 2021-07-02 | 恺博(常熟)座椅机械部件有限公司 | Improved sliding rail mechanism |
| CN113401016A (en) * | 2021-07-27 | 2021-09-17 | 恺博座椅机械部件有限公司 | Manual turnover device for automobile seat backrest and automobile seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023046052A1 (en) * | 2021-09-27 | 2023-03-30 | 恺博(常熟)座椅机械部件有限公司 | Structure for improving rear impact strength of swivel seat mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023046052A1 (en) | 2023-03-30 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20211117 Address after: 215500 No.69 Yinhai Road, Southeast street, Changshu City, Suzhou City, Jiangsu Province Applicant after: Kaibo (Changshu) seat mechanical parts Co.,Ltd. Address before: 451 dieqiao Road, Kangqiao Town, Pudong New Area, Shanghai, 200120 Applicant before: Kaibo seat mechanical parts Co.,Ltd. |
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