CN216636835U - Seat guide rail mounting structure and aviation seat - Google Patents

Abstract

The utility model discloses a seat guide rail mounting structure and an aviation seat, comprising: two guide rails and movable assembly that are parallel to each other and the interval sets up, at least one breach has been seted up to the guide rail, and the movable assembly includes base, movable part and spacing portion, and the guide rail is located to the mobile card of direction along the guide rail to the movable part connects in the base to but along the direction swing joint of guide rail in the guide rail, and when the movable part removed to breach department, the base can separate with the guide rail, and spacing portion connects in the base for restrict the relative guide rail of base and remove. The utility model can be used for solving the problem of inconvenient use caused by the fact that the seat and the guide rail are disassembled or assembled by generally adopting a screw disassembling and assembling mode in the prior art.

Description

Seat guide rail mounting structure and aviation seat

Technical Field

The utility model relates to the technical field of aviation seats, in particular to a seat guide rail mounting structure and an aviation seat.

Background

The aircraft driver seat generally has the adjusting functions of front-back sliding, height lifting, back tilting, armrest collection, headrest lifting and the like.

For example, application numbers are: chinese utility model patent CN201820788999.4, entitled: a lifting chair. The chair comprises a chair seat and a backrest, and also comprises a height adjusting mechanism, wherein the height adjusting mechanism comprises two support frames, a front rotating rod and a rear rotating rod which are parallel to each other are arranged between the two support frames, a linkage rod is arranged between the front rotating rod and the rear rotating rod to enable the front rotating rod and the rear rotating rod to be linked, two ends of the front rotating rod and the rear rotating rod are respectively and circumferentially fixed with rocker arms, free ends of the rocker arms are respectively hinged with the support frames respectively arranged at the lower end of the chair seat, the rear rotating rod is provided with a rear adjusting frame which extends downwards, the rear adjusting frame is hinged with a scroll sleeve/scroll sleeve to enable the scroll sleeve/scroll sleeve to vertically rotate, the inner side of one support frame is hinged with a front adjusting frame to enable the front adjusting frame to vertically rotate, a height adjusting rotary handle is axially positioned on the front adjusting frame, and the rear end of the height adjusting rotary handle is a scroll/screw rod, the worm/screw at the rear end of the height adjusting rotary handle is matched with the worm sleeve/screw sleeve, the structure is similar to other structures, and the sliding block and the guide rail are in sliding fit to realize the front and back sliding of the seat. But receive space constraint's influence, the guide rail of aviation seat should not set up to the structure of long slide rail, at present, generally adopts the mode of dismantling and installing the screw, separates slider and guide rail or installs to realize dismantling or installing of seat.

Therefore, a seat rail mounting structure and an aviation seat are needed to solve the problem that the use is inconvenient as the seat and the rail are disassembled or mounted in a screw disassembling and mounting manner commonly adopted in the prior art.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a seat rail mounting structure and an aviation seat, which solve the technical problem in the prior art that the use is inconvenient because the seat and the rail are disassembled or mounted by disassembling and assembling screws.

In order to achieve the above technical object, a technical solution of the present invention provides a seat rail mounting structure, including:

the guide rail structure comprises two guide rails which are parallel to each other and arranged at intervals, wherein at least one notch is formed in each guide rail;

the movable assembly comprises a base, a movable part and a limiting part, wherein the base is arranged on the guide rail in a movable clamping mode, the movable part is connected to the base and can be movably connected to the guide rail in a movable mode, the movable part moves to the notch, the base can be separated from the guide rail, and the limiting part is connected to the base and is used for limiting the base to move relative to the guide rail.

Further, the guide rail is "worker" font to including first fixed block and second fixed block, second fixed block fixed connection in the top of first fixed block, and follow the direction level setting of first fixed block, at least one the breach set up in on the second fixed block, movable part swing joint in the second fixed block, and can pass through the breach with the separation of second fixed block.

Furthermore, the movable part comprises two first sliding blocks, the first sliding blocks are opposite to the second fixed block, and first sliding grooves are formed in the second fixed block and are connected with the first sliding blocks in a sliding mode through the first sliding grooves.

Further, the movable part still includes two first connecting blocks, two first connecting blocks connect respectively in the bilateral sides of first spout, and set up in the below of second fixed block, two first connecting block cooperatees with the spout, is used for the restriction the second fixed block is followed the opening roll-off of first spout.

Further, first breach and second breach that mutual interval set up are seted up to the second fixed block, the movable part includes two second sliding blocks, first sliding block with first breach corresponds the setting, the second sliding block with the second breach corresponds the setting, and works as first sliding block slides extremely during first breach department, the second sliding block slides extremely second breach department, first breach is followed the length dimension of the direction of fixed block is less than the second breach is followed the length dimension of the direction of fixed block.

Further, the second sliding block is relative the second fixed block has seted up the second spout, the second sliding block warp second spout sliding connection in the second fixed block, the movable part still includes two second connecting blocks, two second connecting blocks connect respectively in two offsides of second spout, and set up in the below of second fixed block, be used for the restriction the second fixed block is followed the opening roll-off of second spout.

Further, the movable assembly further comprises a rolling part, the rolling part is rotatably connected to the base around the axis of the rolling part, and the circumferential outer wall of the rolling part is movably abutted to the top of the second fixing block and used for realizing the guiding movement of the base along the second fixing block.

Furthermore, at least one rotating hole is formed in the outer side wall of each of the first sliding block and the second sliding block, the rotating hole penetrates through the first sliding block and the second sliding block and is communicated with the first sliding groove and the second sliding groove, the rolling portion comprises at least one bolt, a roller and a nut, the small-diameter section of the bolt is inserted into the rotating hole, the roller rotates around the rotating axis of the bolt and is sleeved on the bolt, the circumferential outer wall of the roller is movably abutted to the second fixing block, and the nut is connected to the bolt in a threaded mode and abutted to the outer side walls of the first sliding block and the second sliding block.

Further, a plurality of draw-in grooves have evenly been seted up along its length direction at the top of guide rail, the fixed block is relative the draw-in groove seted up a plurality of with the intercommunication groove that the draw-in groove is linked together, spacing portion includes fixture block and linear driving piece, the fixture block is relative the intercommunication groove sets up, linear driving piece fixed connection in the base, and its expansion end connect in the fixture block is used for the drive the fixture block passes the intercommunication groove to the joint in the draw-in groove, in order to restrict the movable assembly is followed the direction of second fixed block slides.

The technical scheme of the utility model also provides an aviation seat, which comprises the seat rail mounting structure in any one of the above items.

Compared with the prior art, the utility model has the beneficial effects that: the two guide rails are mutually parallel and arranged at intervals, the base is movably clamped on the guide rails through the movable part and can move along the arrangement direction of the guide rails, so that a user can conveniently adjust the front and back positions of the base, meanwhile, at least one notch is formed in the guide rails, when the movable part moves to the notch, the base can be separated from the guide rails and is used for conveniently separating the base connected with the movable part from the guide rails, the limiting part is connected to the base and is used for limiting the movement of the base relative to the guide rails so as to realize the fixation of the base after moving relative to the guide rails and facilitate the operation of the user, the structure realizes the separation of the sliding block and the guide rails by sliding the movable part along the guide rails and sliding the movable part along the notches, replaces the mode of disassembling screws in the prior art to realize the separation of the seat and the guide rails, and is used for solving the problem that the disassembly or the installation between the seat and the guide rails is realized by generally adopting the mode of disassembling and installing screws in the prior art, thereby causing a technical problem of inconvenience in use.

Drawings

Fig. 1 is a schematic structural view of a seat rail mounting structure according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at A in FIG. 1;

FIG. 3 is an enlarged partial schematic view at B of FIG. 1;

FIG. 4 is a schematic view of a track assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a seat track mounting structure from another perspective provided by an embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view at C of FIG. 5;

FIG. 7 is a schematic illustration of a seat track mounting arrangement and an airline seat attachment provided in accordance with an embodiment of the present invention;

FIG. 8 is an enlarged partial schematic view of FIG. 7 at D;

FIG. 9 is an enlarged partial schematic view at E in FIG. 7;

FIG. 10 is an enlarged partial schematic view at F of FIG. 7;

fig. 11 is an enlarged partial schematic view at G in fig. 7.

Detailed Description

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.

Referring to fig. 1 to 6, the present invention provides an aviation seat rail 1 mounting structure, including: two guide rail 1 and the movable assembly 2 that are parallel to each other and the interval sets up, at least one breach has been seted up to guide rail 1, movable assembly 2 includes base 21, movable part 22 and spacing portion 23, guide rail 1 is located to the mobile card of base 21 along guide rail 1's direction, movable part 22 connects in base 21, and but the direction swing joint in guide rail 1 along guide rail 1, and when movable part 22 removed to breach department, base 21 can separate with guide rail 1, spacing portion 23 connects in base 21, a relative guide rail 1 removal for restriction base 21.

It can be understood that the two guide rails 1 are arranged in parallel and at intervals, the base 21 is movably clamped on the guide rails 1 through the movable part 22 and can move along the arrangement direction of the guide rails 1, is used for facilitating the user to adjust the front and back position of the base 21, and at the same time, the guide rail 1 is provided with at least one notch, when the movable part 22 moves to the notch, the base 21 can be separated from the guide rail 1, for conveniently separating the base 21 connected with the movable part 22 from the guide rail 1, the limit part 23 is connected with the base 21, for limiting the base 21 to move relative to the guide rail 1, so as to fix the base 21 after moving relative to the guide rail 1, and facilitate the operation of the user, the above structure can be realized by sliding the movable part 22 along the guide rail 1, and the movable part 22 can slide out along the gap to separate the sliding block from the guide rail 1, so as to replace the mode of disassembling screws in the prior art to separate the base 21 from the guide rail 1.

As shown in fig. 4 and 6, the guide rail is in an i shape and includes a first fixing block 11 and a second fixing block 12, the second fixing block 12 is fixedly connected to the top of the first fixing block 11 and horizontally arranged along the guide direction of the first fixing block 11, at least one of the notches is arranged on the second fixing block 12, and the movable portion is movably connected to the second fixing block 12 and can be separated from the second fixing block 12 through the notch.

It can be understood that the second fixing block 12 is disposed on the top of the first fixing block 11, and forms an i-shaped guide rail 1 with the first fixing block 11, wherein the notch is disposed on the second fixing block 12, and the notch is symmetrically disposed along the symmetry axis of the i-shaped guide rail 1, so that both sides of the guide rail 1 form an open structure, so as to facilitate the sliding-out of the movable portion 22.

Further, the structure of the guide rail 1 in the shape of an "i" is a conventional arrangement known to those skilled in the art and is not overly elaborated.

As shown in fig. 4, the second fixing block 12 is provided with a first notch 121 and a second notch 122 which are arranged at an interval, and the length of the first notch 121 along the guide of the second fixing block 12 is smaller than the length of the second notch 122 along the guide of the second fixing block 12.

It can be understood that the width dimension of the first notch 121 is smaller than the width dimension of the second notch 122, so as to limit the movable portion 22 to slide out of the notch only when sliding along a specific direction, otherwise the seat cannot be detached.

As shown in fig. 2 to 4, the movable portion 22 includes two first sliding blocks 221, two first connecting blocks 222 connected to the first sliding blocks 221, a second sliding block 223 fixedly connected to the base 21, and two second connecting blocks connected to the second sliding block 223.

Wherein, first sliding block 221 corresponds the setting with first breach 121, and first spout 2211 has been seted up to first sliding block 221 relative second fixed block 12, and first sliding block 221 is through first spout 2211 sliding connection in second fixed block 12 to through the sliding connection of first spout 2211 and second fixed block 12, be used for realizing the connection of base 21 and guide rail 1.

The two first connecting blocks 222 are respectively connected to two opposite sides of the first sliding slot 2211, and are disposed below the second fixed block 12, so as to limit the second fixed block 12 and the guide rail 1 to slide out along the opening of the first sliding slot 2211.

It can be understood that the two first connection blocks 222 are connected to both sides of the opening of the first sliding slot 2211 and disposed below the second fixing block 12, thereby forming a structure for wrapping the second fixing block 12 with the first sliding slot 2211, for preventing the second fixing block 12 from sliding out along the opening of the first sliding slot 2211, thereby causing a safety hazard caused by separation of the seat from the guide rail 1 in the process of the first sliding block 221 sliding along the guide of the guide rail 1.

In order to match the arrangement of the second notch 122, the second sliding block 223 is arranged corresponding to the second notch 122, and when the first sliding block 221 slides to the first notch 121, the second sliding block 223 slides to the second notch 122.

It can be understood that the first notch 121 and the first sliding block 221 are cooperatively disposed, the second notch 122 and the second sliding block 223 are cooperatively disposed, and the separation of the movable assembly 2 and the guide rail 1 can be realized only when the first sliding block 221 slides to the first notch 121 and the second sliding block 223 slides to the second notch 122.

Wherein, the second spout has been seted up to second sliding block 223 relative second fixed block 12, and second sliding block 223 is through second spout sliding connection in second fixed block 12, and two second connecting blocks are connected respectively in the two offsides of second spout to set up in the below of second fixed block 12, be used for preventing the opening roll-off of second fixed block 12 along the second spout, thereby lead to the potential safety hazard that leads to causing in gliding in-process seat and the separation of guide rail 1.

As shown in fig. 1 to 4, a plurality of slots 111 are uniformly formed in the top of the first fixing block 11 along the length direction thereof, a plurality of communicating grooves 123 communicated with the slots 111 are formed in the second fixing block 12 relative to the slots 111, the limiting portion 23 includes a clamping block 231 and a linear driving member 232, the clamping block 231 is disposed relative to the communicating grooves 123, the linear driving member 232 is fixedly connected to the base 21, and the movable end of the linear driving member is connected to the clamping block 231 for driving the clamping block 231 to pass through the communicating grooves 123 and be clamped in the slots 111.

It can be understood that the slots 111 and the notches are disposed at intervals, and the fixture block 231 can be cooperatively clamped in the slots 111, when the user slides the seat, the movable end of the linear driving member 232 drives the fixture block 231 to be inserted into the corresponding slot 111, so as to form a limit for preventing the seat from sliding relative to the guide rail 1.

Further, the linear driving member 232 may be a hydraulic cylinder, a push rod motor and a cylinder, which are conventional arrangements known to those skilled in the art and will not be described herein.

As shown in fig. 5 and 6, the movable assembly 2 further includes a rolling portion 24, the rolling portion 24 is rotatably connected to the base 21 around its own axis, and a circumferential outer wall of the rolling portion is movably abutted to a top of the second fixed block 12, so as to realize guiding movement of the base 21 along the second fixed block 12.

It can be understood that, in order to facilitate the front-back sliding of the seat, the movable assembly 2 is further provided with a rolling portion 24, the rolling portion 24 is internally arranged in the first sliding slot 2211 and the second sliding slot, the rolling portion 24 rotates around its own axis, and the circumferential outer wall of the rolling portion movably abuts against the second fixed block 12, so that the rolling connection mode replaces the sliding connection mode, and the front-back position of the seat can be adjusted by a user conveniently.

Specifically, the side walls of the first sliding block 221 and the second sliding block 223 are further provided with at least one rotation hole, the rotation hole penetrates through the first sliding block 221 and the second sliding block 223 and is communicated with the first sliding slot 2211 and the second sliding slot, the rolling portion 24 includes at least one bolt 241, a roller 242 and a nut 243, a small-diameter section of the bolt 241 is inserted into the rotation hole, the roller 242 is rotatably sleeved on the bolt 241 around the rotation axis of the bolt 241, the circumferential outer wall of the roller 242 movably abuts against the second fixed block 12, and the nut 243 is in threaded connection with the bolt 241 and abuts against the outer side walls of the first sliding block 221 and the second sliding block 223.

It is understood that the roller 242 is detachably connected to the first sliding block 221 and the second sliding block 223 by means of a bolt 241 and a nut 243, so as to facilitate the detachment and installation of the roller 242.

As shown in fig. 1, 5 and 7, the present invention also provides an airline seat, including: the seat rail mounting structure and the seat body 3 described above.

Further, the guide rail 1 of the present invention is fixedly connected with the floor of the aircraft equipment, and the seat body 3 is fixedly connected with the base 21, so as to implement the detachable connection of the seat body 3 with respect to the floor of the aircraft equipment, and at the same time, has the function of conveniently adjusting to implement the front-back sliding, and is a conventional arrangement known to those skilled in the art, and will not be described in an excessive way.

As shown in fig. 7 and 9, in order to facilitate the height of the headrest 4 on the seat body 3 to rise and fall, the connection between the headrest 4 and the seat body 3 is realized through the matching of a gear and a rack, at least one gear is rotatably connected to the seat body 3 around the axis of the gear, the gear is provided with a first through hole around the axis of the gear and is connected to the seat body 3 through a screw thread, the rack and the gear are arranged in a one-to-one correspondence manner, the rack is vertically arranged and is meshed with the gear, one end of the rack is fixedly connected to the headrest 4, when the screw is loosened, the gear can rotate around the rotation axis of the gear, the height of the headrest 4 can be adjusted through the meshing transmission of the gear and the rack, when the screw is screwed down, the gear cannot rotate around the rotation axis of the gear, and at the moment, the height of the headrest 4 cannot be adjusted.

Further, as shown in fig. 7 and 8, in order to facilitate the angle adjustment of the armrest 5 on the seat body 3 and the storage of the armrest 5, the connection between the armrest 5 and the seat body 3 is connected to the rotating bases via rotating rods, the two rotating bases are fixedly connected to the seat body 3, the rotating bases are provided with second through holes, one end of each rotating rod is connected to the armrest 5, the other end of each rotating rod is inserted into the second through hole, the rotating rods are stepped, the cross sections of one end of each rotating rod are polygonal, the cross sections of the other end of each rotating rod are circular, the cross sections of the second through holes are matched with the cross sections of one end of each rotating rod and are arranged in a polygonal manner, the cross sections of the second through holes are larger than the cross sections of the other ends of the rotating rods, when the armrest 5 needs to rotate by an angle, the rotating rods are pulled out in the axial direction of the second through holes, so that the outer walls of the circular sections of the rotating rods abut against the inner walls of the second through holes, and the rotating bases can rotate around the axes of the second through holes, realize 5 angle modulation of handrail, after accomplishing angle modulation, insert the second through-hole with the dwang to make the outer wall of the polygon section of dwang and the inner wall looks butt of second through-hole, the dwang can't rotate the base relatively this moment, has realized 5 turned angle's of handrail spacing promptly, through the regulation of above-mentioned mode alright realization 5 angles of handrail and taking in of handrail 5.

Wherein, the end part of the rotating rod far away from the handrail 5 is provided with a limiting rod for preventing the rotating rod from separating from the rotating base.

Further, as shown in fig. 7 and 10, the seat body 3 is connected with the upper sheet metal part through the bottom sheet metal part, a cavity structure is formed inside the seat, the bottom end of the safety belt 6 is fixedly connected to the bottom sheet metal part through screws, when an emergency impact occurs, the safety shoulder belt is pulled out upwards under stress, the bottom end of the safety belt 6 is connected with the bottom sheet metal part, the received force is transmitted to the bottom sheet metal part and the upper sheet metal part, and the energy is absorbed through deformation of the sheet metal part after stress, so that the stress on the shoulders of passengers is reduced.

Further, as shown in fig. 7, in order to increase the comfort of the passengers, the seat body 3 and the base 21 are connected by the fork-shaped legs 7, the fork-shaped legs 7 can slide along the base 21, the height of the seat body 3 relative to the base 21 can be adjusted by adjusting the sliding of the fork-shaped legs 7 along the guide grooves on the base 21, the limiting portion 23 is disposed on the fork-shaped legs 7, meanwhile, the fork-shaped legs 7 are further provided with the gas springs, the opening and closing angle can be reduced under the action of the restoring force of the gas springs, when the seat position is raised to a proper position, the adjustable limiting portion 23 can be locked again by being clamped in the clamping groove 111, the fork-shaped legs 7 are further provided with the reinforcing plates and the cover plates, and the reinforcing plates are used for fixedly connecting and reinforcing the front ends of the fork-shaped legs 7, so that the rigidity of the base structure is improved, and the seat shaking amount is reduced. The cover plate is arranged between the left support plate and the right support plate of the base, the actuating end of a pneumatic switch arranged on the seat body 3 is protected, and the attractiveness of the seat base is improved.

Further, as shown in fig. 7 and 11, in order to increase the comfort of the passenger, the whole backrest framework is installed on the backrest beam, the backrest beam is rotatably connected to the seat body 3 through the rotating shaft, the upper end and the lower end of the hydraulic lock 8 are respectively installed on the seat body 3 and the backrest beam, after the user unlocks the hydraulic lock 8 through the operation control end, the hydraulic lock 8 extends under the action of the return spring to drive the seat backrest to reset to the upright position, and after the hydraulic lock 8 is unlocked through the operation control end, if the user forcibly backs the backrest, the length of the hydraulic lock 8 is compressed, so that the seat backrest is driven to tilt backwards, the control end is released, the hydraulic lock 8 is locked again, and the seat backrest can be fixed at a new position.

Further, as shown in fig. 5, in the present invention, the hydraulic locks 8 are respectively disposed at both sides of the seat body 3, and the cavity in the middle of the backrest beam can be used as a space of the life jacket case 9, thereby saving the size of the seat backrest space.

In the specific working process of the utility model, two guide rails 1 are arranged in parallel and at intervals, a base 21 connected with a seat is movably clamped on the guide rails 1 through a movable part 22 and can move along the arrangement direction of the guide rails 1, is used for facilitating the user to adjust the front and back position of the seat, at the same time, at least one notch is arranged on the guide rail 1, when the movable part 22 moves to the notch, the base 21 can be separated from the guide rail 1, for conveniently separating the base 21 connected with the movable part 22 from the guide rail 1, the limit part 23 is connected with the base 21, for limiting the movement of the base 21 relative to the guide rail 1, so as to fix the seat after moving relative to the guide rail 1, and facilitate the operation of the user, the above structure is realized by sliding the movable part 22 along the guide rail 1, and the movable part 22 can slide out along the gap to separate the slide block from the guide rail 1, so as to replace the mode of disassembling screws to separate the seat from the guide rail 1 in the prior art.

The user is when using, adjusts around the seat as required, only needs drive base 21 relative guide rail 1 to slide along guide rail 1's the direction that sets up, when accomplishing the regulation back, drives linear driving piece 232's expansion end motion to drive fixture block 231 and pass intercommunication groove 123 joint in draw-in groove 111, the base 21 that is connected with the seat this moment can't continue along guide rail 1's direction removal.

Further, if the seat needs to be separated from the guide rail 1, the user only needs to drive the base 21 to slide along the direction close to the first notch 121 and the second notch 122, and when the first sliding block 221 slides to the first notch 121 and the second sliding block 223 slides to the second notch 122, the movable assembly 2 and the guide rail 1 can be separated through the first notch 121 and the second notch 122.

Through above-mentioned structure like this for solve the mode that generally adopts dismantlement and installation screw among the prior art and realize dismantling or installing between seat and guide rail 1, thereby lead to using inconvenient technical problem.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.

Claims (10)

1. A seat rail mounting structure characterized by comprising:

the guide rail is provided with at least one notch;

the movable assembly comprises a base, a movable part and a limiting part, wherein the base is arranged on the guide rail in a movable clamping mode, the movable part is connected to the base and can be movably connected to the guide rail in a movable mode, the movable part moves to the notch, the base can be separated from the guide rail, and the limiting part is connected to the base and is used for limiting the base to move relative to the guide rail.

2. The seat rail mounting structure according to claim 1, wherein the rail has an "i" shape and includes a first fixing block and a second fixing block, the second fixing block is fixedly connected to a top of the first fixing block and horizontally disposed along a guide of the first fixing block, at least one of the notches is disposed on the second fixing block, and the movable portion is movably connected to the second fixing block and can be separated from the second fixing block through the notch.

3. The seat rail mounting structure according to claim 2, wherein the movable portion includes two first sliding blocks, the first sliding block has a first sliding groove formed therein with respect to the second fixed block, and the first sliding block is slidably connected to the second fixed block via the first sliding groove.

4. The seat rail mounting structure according to claim 3, wherein the movable portion further includes two first connecting blocks, the two first connecting blocks are respectively connected to two opposite sides of the first sliding groove and disposed below the second fixed block, and the two first connecting blocks are engaged with the sliding groove to limit the second fixed block from sliding out along the opening of the first sliding groove.

5. The seat rail mounting structure according to claim 4, wherein the second fixed block has a first notch and a second notch that are spaced apart from each other, the movable portion includes two second sliding blocks, the first sliding block is disposed corresponding to the first notch, the second sliding block is disposed corresponding to the second notch, and when the first sliding block slides to the first notch, the second sliding block slides to the second notch, and a length dimension of the first notch along a guide direction of the fixed block is smaller than a length dimension of the second notch along a guide direction of the fixed block.

6. The seat rail mounting structure according to claim 5, wherein the second sliding block has a second sliding groove formed therein opposite to the second fixed block, the second sliding block is slidably connected to the second fixed block through the second sliding groove, the movable portion further includes two second connecting blocks, the two second connecting blocks are respectively connected to two opposite sides of the second sliding groove and disposed below the second fixed block, and are configured to limit the second fixed block to slide out along the opening of the second sliding groove.

7. The seat track mounting structure according to claim 6, wherein the movable assembly further includes a rolling portion, the rolling portion is rotatably connected to the base about its own axis, and a circumferential outer wall of the rolling portion movably abuts against a top of the second fixed block, so as to achieve guiding movement of the base along the second fixed block.

8. The seat rail mounting structure according to claim 7, wherein at least one rotation hole is formed in each of outer side walls of the first sliding block and the second sliding block, the rotation hole penetrates through the first sliding block and the second sliding block and is communicated with the first sliding groove and the second sliding groove, the rolling portion includes at least one bolt, a roller and a nut, a small diameter section of the bolt is inserted into the rotation hole, the roller is rotatably sleeved on the bolt around a rotation axis of the bolt, a circumferential outer wall of the roller movably abuts against the second fixed block, and the nut is in threaded connection with the bolt and abuts against outer side walls of the first sliding block and the second sliding block.

9. The seat track mounting structure according to claim 2, wherein the top of the track has a plurality of slots along the length direction, the fixing block has a plurality of communicating slots corresponding to the slots, the limiting portion includes a clamping block and a linear driving member, the clamping block is disposed corresponding to the communicating slots, the linear driving member is fixedly connected to the base, and the movable end of the linear driving member is connected to the clamping block for driving the clamping block to pass through the communicating slots and to be clamped to the slots, so as to limit the sliding of the movable assembly along the direction of the second fixing block.

10. An aircraft seat comprising a seat rail mounting structure as claimed in any one of claims 1 to 9.

Images