CN114009990A - Seat assembly, seat support piece and seat - Google Patents

Abstract

The application relates to the technical field of seats, concretely relates to seat subassembly, seat support piece and seat, the seat subassembly includes: a stent, an expansion member, a flexible support member and an adjustment mechanism; the expansion piece is movably arranged at the edge of one side of the bracket, one end of the flexible supporting piece is connected with the expansion piece, and the other end of the flexible supporting piece is connected with the edge of the other side of the bracket; the adjusting mechanism is connected with the expansion piece and used for driving the expansion piece to move so as to adjust the flexible supporting piece. Through the mode, the supporting force of the seat capable of being adaptively adjusted for sitting and leaning on the human body improves the sitting comfort, and the appearance is concise and attractive.

Description

Seat assembly, seat support piece and seat

Technical Field

The application relates to the technical field of seats, in particular to a seat assembly, a seat supporting piece and a seat.

Background

In the conventional seat support structure, in order to improve comfort of sitting and leaning, a waist pillow, a back pillow and other structures are generally arranged at a position corresponding to a waist of a human body on a backrest, and support is provided for a waist back of a seated person through the waist pillow and the back pillow.

However, since the waist pillow and the back pillow have fixed shapes, for the passengers with different postures, the difference of the provided waist and back support is large, which easily causes the poor riding comfort, and cannot meet the requirements of different consumers, so that the product competitiveness is reduced, and the beauty is poor due to the multiple parts in the backrest provided with the waist pillow and the back pillow.

Disclosure of Invention

In view of the above problems, the present application provides a seat assembly, a seat support, and a seat, which can adaptively adjust the supporting force of the seat for the sitting and leaning of a human body, improve the comfort of the sitting, and make the appearance simple and beautiful.

According to one aspect of the present application, there is provided a seat assembly comprising: a stent, an expansion member, a flexible support member and an adjustment mechanism; the expansion piece is movably arranged at the edge of one side of the bracket, one end of the flexible supporting piece is connected with the expansion piece, and the other end of the flexible supporting piece is connected with the edge of the other side of the bracket; the adjusting mechanism is connected with the expansion piece and used for driving the expansion piece to move so as to adjust the flexible supporting piece.

In an alternative form, the adjustment mechanism includes a drive member, a transmission member, and an adjustment member; the driving piece is arranged at the bottom end of the bracket; the adjusting piece is arranged at one side edge of the bracket and is connected with the expansion piece; the driving piece is connected with the adjusting piece through the transmission piece so as to drive the adjusting piece to drive the expansion piece to move.

In an alternative form, the adjustment member includes a screw and a slider; the screw rod is rotationally arranged at the edge of one side of the bracket, and the sliding block is sleeved on the thread of the screw rod and is in sliding fit with the bracket, so that the screw rod is driven to slide when rotating; the surface of the sliding block is provided with an abutting part, and the surface of the expansion piece is provided with a matching part; the driving medium with the screw rod is connected, when the driving medium drives the screw rod rotates, butt portion with cooperation portion cooperation drive the extension piece rotates, in order to right flexible support piece adjusts.

In an alternative mode, the abutting portion has a spiral surface, and the engaging portion has a rotation guide surface, and the spiral surface is in abutting engagement with the rotation guide surface, so that the spiral surface drives the rotation guide surface to rotate when sliding.

In an optional mode, the adjusting part further comprises a fixed seat, the fixed seat is arranged at the edge of one side of the bracket, and two ends of the screw rod are rotatably connected with the fixed seat; the fixed seat is provided with a sliding guide part, and the sliding guide part is matched with the sliding block to guide the sliding block.

In an alternative form, the expansion element is rotationally coupled to the threaded rod.

In an alternative mode, the driving member includes a screwing structure, and the screwing structure is connected with the screw through the driving member to control the screw to rotate.

In an alternative form, the driving member includes a motor, and the motor is connected with the screw rod through the transmission member to control the screw rod to rotate.

In an alternative form, the drive member is connected to the transmission member by a reduction gear set.

In an alternative mode, the transmission member includes a flexible transmission shaft, the flexible transmission shaft is disposed along an edge of the bracket, and two ends of the flexible transmission shaft are respectively connected with the driving member and the adjusting member.

In an alternative mode, the bottom end of the bracket is provided with a mounting part, and the driving part is arranged on the mounting part; one side in the installation department is provided with fixed muscle, by being close to on the fixed muscle one side of installation department is to being close to one side of support extends and is provided with the spacing groove, flexible transmission shaft set up in the spacing inslot.

In an alternative form, the flexible support is a resilient material.

In an alternative form, the flexible support is a wire-like structure or a ribbon-like structure.

In an optional mode, the stent further comprises an expansion fitting piece, the expansion fitting piece is arranged on the other side, opposite to the expansion piece, of the stent, and two ends of the flexible supporting piece are connected with the expansion piece and the expansion fitting piece respectively.

In an optional mode, a first fixing portion is arranged on the expansion piece, a second fixing portion is arranged on the expansion fitting piece, connecting pieces are arranged at two ends of the flexible supporting piece, and the connecting pieces are respectively connected with the first fixing portion and the second fixing portion.

According to another aspect of the present application, there is provided a seat support comprising a support structure as defined in any one of the above aspects, the support structure being disposed on the bracket, the flexible support being connected to the support structure.

In an alternative mode, the support structure includes a mesh, and the flexible support member abuts against the back surface of the mesh; or the supporting structure comprises a mesh cloth, the flexible supporting part is a linear structure or a belt-shaped structure, and the flexible supporting part is connected with the mesh cloth in an inserting manner; or, the support structure includes a support pad, the flexible support is disposed within the support pad.

According to another aspect of the present application, there is provided a seat comprising a seat support as described in any of the above ways.

Support is provided for human buttock, waist or back by connecting flexible support piece between the edge of support both sides, and flexible support piece can be followed the change adaptability of human buttock, waist or back and carried out crooked adjustment to each position to the human body all can provide suitable, effectual support, the comfort level when guaranteeing to take and lean on. The one end of flexible support piece passes through the expansion piece and connects at the edge of support one side, and the expansion piece is connected with adjustment mechanism, and when adjustment mechanism drove the expansion piece activity, the expansion piece was adjusted flexible support piece, made flexible support piece can provide the support of different dynamics to the person of taking to satisfy the demand under different users and the different application scenes. In the middle of the seat assembly, the expansion piece and the adjusting mechanism can be hidden and installed in the support, and the flexible supporting piece can be attached to or inserted into a supporting structure of the backrest or the cushion, and also can be arranged in the supporting structure, such as attached to or inserted into mesh cloth, or arranged in the back cushion or the cushion, so that the appearance of the backrest is neat and attractive.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a schematic structural view of a seat assembly provided by an embodiment of the present invention;

FIG. 2 is a schematic exploded view of a seat assembly provided in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of the screw, slide and expansion member of the seat assembly provided by an embodiment of the present invention;

FIG. 4 is a cross-sectional schematic view of a screw, a slider and an extender of the seat assembly provided by an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a seat assembly at an extender according to an embodiment of the present invention;

FIG. 6 is an exploded view of an adjustment mechanism in a seat assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of an extender in a seat assembly provided in accordance with an embodiment of the present invention;

FIG. 8 is a schematic view of the configuration of the expansion fitting in the seat assembly provided by the embodiment of the present invention.

The reference numbers in the detailed description are as follows:

the seat assembly 100, the bracket 110, the mounting portion 111, the fixing rib 112, the limiting groove 1121, the expansion member 120, the fitting portion 121, the rotation guide surface 1211, the first fixing portion 122, the first groove 1221, the first guide groove 1222, the flexible support 130, the rope 131, the connecting member 1311, the adjusting mechanism 140, the driving member 141, the screwing structure 1411, the screwing cover 1411a, the screwing shaft 1411b, the transmission member 142, the insertion end 1421, the adjusting member 143, the screw 1431, the second insertion port 1431a, the slider 1432, the abutting portion 1432a, the screw surface 1432b, the clamping groove 1432c, the fixing seat 1433, the sliding guide portion 1433a, the rotation connecting portion 1433b, the bearing 1434, the reduction gear set 144, the input gear 1441, the output gear 1442, the first insertion port 1442a, the expansion fitting member 150, the second fixing portion 151, the second groove 1511, and the second guide groove 1512.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

The existing seat supporting structure generally realizes the support of the buttocks, the back and the waist of a user by arranging an arc shape matched with the shape of the back of the human body or installing a waist pillow at a position corresponding to the waist of the human body. However, because different riders have large differences in body posture, no matter the support structure is configured to be arc-shaped to fit the back of a human body, or the backrest is provided with a waist pillow and other structures, the support force provided by the support structure cannot be adjusted according to the differences in body posture of the riders and different requirements of the riders, so that the riding comfort level is reduced, and after the riders take and lean for a long time, the seat cushion and the backrest cannot provide proper support force for the human body, so that the back and the waist of the riders are prone to ache, and the waist and back diseases can be caused in serious cases.

In addition, in the case of a method of providing lumbar support by installing a lumbar pillow on a backrest, a lumbar pillow structure is additionally installed on the backrest, so that the backrest component is complicated, the appearance is poor, and the product competitiveness is reduced.

Based on the above problems, the present application provides a seat assembly, which provides support for the buttocks, the back or the waist of a human body by connecting a flexible supporting member between the edges of two sides of a bracket, wherein the flexible supporting member can be flexibly adjusted according to the change of the human body, so as to provide suitable and effective support for each position of the buttocks, the back or the waist of the human body, and ensure the comfort level when the seat is leaned. The one end of flexible support piece passes through the expansion piece and connects at the edge of support one side, and the expansion piece is connected with adjustment mechanism, and when adjustment mechanism drove the expansion piece activity, the expansion piece was adjusted flexible support piece, made flexible support piece can provide the support of different dynamics to the person of taking to satisfy the demand under different users and the different application scenes. In the middle of the seat subassembly, expansion piece and adjustment mechanism can hide and install in the support, and flexible support piece can be attached, alternate in the bearing structure of seat, also can set up in bearing structure's inside, for example attached or alternate in the middle of the screen cloth, or set up in the inside of cushion or cushion, makes the neat and artistic appearance of seat.

According to one aspect of an embodiment of the present application, a seat assembly is provided, and referring specifically to fig. 1, a structure of a seat assembly 100 provided in an embodiment of the present application is shown. The seat assembly 100 includes: a stent 110, an expansion member 120, a flexible support member 130, and an adjustment mechanism 140. The expansion member 120 is movably disposed at one side edge of the stent 110, and one end of the flexible supporting member 130 is connected to the expansion member 120, and the other end is connected to the other side edge of the stent 110. The adjustment mechanism 140 is coupled to the expansion member 120 for moving the expansion member 120 to adjust the flexible support member 130.

The support frame 110 may be a whole frame structure in a seat cushion or a backrest, or may be a part of a frame as shown in fig. 1, and the inner side of the support frame 110 may be used to connect a mesh, a cushion, etc. for seating and leaning of the rider. When the support 110 is the bottom frame of the backrest, it serves on the one hand to connect to the base in the chair and on the other hand to connect to and provide support for the top frame.

The expansion element 120 may be a sliding structure or a rotating structure installed on one side edge of the stent 110, and when the expansion element 120 slides relative to the stent 110, the flexible supporting element 130 is pulled tight or loosened, so as to adjust the supporting force provided by the flexible supporting element 130.

The flexible supporting member 130 may be a rope as shown in fig. 1, or may be a supporting strip or a supporting cloth in the form of a sheet, and the flexible supporting member 130 is pulled or loosened by the expansion member, so as to provide different supporting forces to the buttocks, the waist or the back of the occupant. Seat support is in the assembling process, and when adopting the screen cloth to provide the support of taking and leaning on, flexible support piece 130 can with connect at the inboard screen cloth butt of support 110 or alternate the setting, when adopting cushion or cushion to provide the support, also can set up flexible support piece 130 in the inside of cushion or cushion, forms stealthy adjustable bearing structure.

The adjusting mechanism 140 is adapted to the movement of the expansion element 120, specifically, when the expansion element 120 is a rotating structure, the adjusting mechanism 140 adjusts the expansion element 120 by using a rotation adjusting method, such as a driving structure including a screw shaft, a torsion spring, a lead screw module, and a motor, and when the expansion element 120 is a sliding structure, the adjusting mechanism 140 adjusts the expansion element 120 by using a sliding adjusting method, such as a driving structure including a compression spring and a lead screw module.

By connecting the flexible supporting member 130 between the edges of the two sides of the frame 110 to provide support for the buttocks, the waist or the back of the human body, the flexible supporting member 130 can be flexibly adjusted according to the change of the buttocks, the waist or the back of the human body, thereby providing proper and effective support for each position of the human body and ensuring the comfort of sitting and leaning. One end of the flexible supporting member 130 is connected to the edge of one side of the support 110 through the expansion member 120, the expansion member 120 is connected with the adjusting mechanism 140, and when the adjusting mechanism 140 drives the expansion member 120 to move, the expansion member 120 adjusts the flexible supporting member 130, so that the flexible supporting member 130 can provide supports with different force for the passengers, thereby meeting the requirements of different users and different application scenes. In the seat assembly 100, the expansion member 120 and the adjustment mechanism 140 can be mounted hidden within the bracket 110, and the flexible support member 130 can be attached to, inserted through, or otherwise disposed within a support structure of the backrest or cushion, such as a mesh, or disposed within the backrest or cushion, to provide a neat and attractive appearance to the backrest.

Referring to fig. 2, an exploded view of a seat assembly 100 according to an embodiment of the present application is shown. In some embodiments of the present application, the adjustment mechanism 140 includes a drive member 141, a transmission member 142, and an adjustment member 143. The driving member 141 is disposed at the bottom end of the bracket 110. The adjusting member 143 is provided at one side edge of the stent 110 and connected to the expanding member 120. The driving member 141 is connected to the adjusting member 143 through the transmission member 142 to drive the adjusting member 143 to move the expansion member 120.

Specifically, the driving element 141 may be a screwing shaft, the adjusting element 143 may be a rotating shaft, and the transmission element 142 may be a flexible transmission shaft, and after the driving element 141 is screwed, the transmission element 142 transmits the torque generated by the driving element 141 to the adjusting element 143, thereby adjusting the expansion element 120 by the adjusting element 143.

Since the expansion element 120 is disposed at one side edge of the bracket 110, considering that the adjustment mechanism 140, when mounted at the expansion element 120, has a certain adverse effect on the appearance, the riding and leaning comfort and the convenience of adjustment of the seat assembly 100, the adjustment mechanism 140 is divided into the driving element 141, the transmission element 142 and the adjustment element 143, by disposing the driving element 141 at the bottom end of the bracket 110, the concealment and the convenience of adjustment of the driving element 141 are both considered, the adjustment element 143 is disposed at one side edge of the bracket 110 and connected to the expansion element 120, specifically, during assembly, the adjustment element 143 can be mounted inside the housing of the bracket 110, thereby further ensuring the tidiness of the appearance of the seat assembly 100, the driving element 141 is connected to the adjustment element 143 through the transmission element 142, thereby realizing the remote transmission of the motion relationship between the driving element 141 and the adjustment element 143, and further realizing the remote adjustment of the expansion element 120, thereby facilitating the placement of the driving member 141 in a concealed, convenient location.

Continuing to refer to fig. 2, in some embodiments of the present application, adjusting member 143 includes a threaded rod 1431 and a slider 1432. The screw 1431 is rotatably disposed at one side edge of the bracket 110, and the slider 1432 is sleeved on the thread of the screw 1431 and is slidably engaged with the bracket 110, so that the screw 1431 is rotated to drive the slider 1432 to slide. The surface of the slider 1432 is provided with an abutment portion 1432a, and the surface of the expansion member 120 is provided with the fitting portion 121. The transmission member 142 is connected to the screw 1431, and when the transmission member 142 drives the screw 1431 to rotate, the abutting portion 1432a cooperates with the cooperating portion 121 to drive the expansion member 120 to rotate, so as to adjust the flexible supporting member 130.

Specifically, two ends of the screw 1431 are rotatably connected to an edge of one side of the bracket 110, a thread is arranged in the middle of the screw 1431, a threaded hole is formed in the slider 1432, the threaded hole of the slider 1432 is sleeved on the thread of the screw 1431, meanwhile, the slider 1432 is in sliding fit with the bracket 110, and when the screw 1431 is rotated, the thread on the screw 1431 drives the thread in the threaded hole of the slider 1432, so that the slider 1432 slides along the screw 1431.

The transmission member 142 is connected to one end of the screw 1431, the transmission member 142 drives the screw 1431 to rotate, and when the screw 1431 rotates, the slider 1432 slides along the screw 1431, and the abutting portion 1432a on the slider 1432 applies an acting force to the matching portion 121 on the expansion member 120 to rotate the expansion member 120, so as to adjust the tightness degree of the flexible supporting member 130.

Through the screw-thread fit of screw 1431 and slider 1432 and the sliding fit of slider 1432 and support 110, realize the conversion of rotation mode to sliding mode, through the cooperation of the butt portion 1432a on slider 1432 surface and the cooperation portion 121 on expansion piece surface for when butt portion 1432a slides, push fit portion 121 rotates, and then makes expansion piece 120 rotate and adjust the elasticity degree of flexible support 130.

Referring to fig. 3 and 4, the seat assembly 100 according to an embodiment of the present application is shown with the slider 1432 and the spreader 120 exploded and sectioned, respectively. In some embodiments of the present application, the abutting portion 1432a has a spiral surface 1432b, the engaging portion 121 has a rotation guide surface 1211, and the spiral surface 1432b is abutted and engaged with the rotation guide surface 1211, so that the sliding of the spiral surface 1432b drives the rotation guide surface 1211 to rotate.

As shown in the drawing, the spiral surface 1432b may be a segment of a spiral arc surface, and the rotation guide surface 1211 is a spiral arc surface having a length greater than that of the spiral surface 1432b and disposed along a sliding track of the spiral surface 1432 b.

When the slider 1432 slides upward, the spiral surface 1432b slides upward with respect to the rotation guide surface 1211 to abut on different positions of the rotation guide surface 1211, and in the process that the spiral surface 1432b abuts on different positions of the rotation guide surface 1211 respectively, the spiral surface 1432b applies a pushing force to the rotation guide surface 1211, and the expansion member 120 rotates in an arrow direction in fig. 4 by the pushing force, thereby stretching the flexible support member 130 to be tightened to provide a larger supporting force.

When the slider 1432 slides downward, the spiral surface 1432b slides downward with respect to the rotation guide surface 1211, so that the spiral surface 1432b and the rotation guide surface 1211 tend to be separated from each other, and in the process, the expansion member 120 is subjected to a pulling force generated by the contraction of the flexible support member 130, so that the expansion member 120 is rotated in a direction opposite to the arrow direction in fig. 4, thereby achieving the adjustment of the loosening of the flexible support member 130.

The spiral surface 1432b of the contact part 1432a is engaged with the rotation guide surface 1211 of the engaging part 121, and the force in the sliding direction of the slider 1432 is converted into the force in the direction of supporting the expansion member 120, so that the effect of pushing the expansion member 120 to increase the supporting force is achieved while the space is saved.

Referring to fig. 2 and fig. 4, in some embodiments of the present application, the adjusting part 143 further includes a fixing seat 1433, the fixing seat 1433 is disposed at an edge of one side of the bracket 110, and two ends of the screw rod 1431 are rotatably connected to the fixing seat 1433. A slide guide portion 1433a is provided on the fixing seat 1433, and the slide guide portion 1433a is engaged with the slider 1432 to guide the slider 1432.

As shown in fig. 4, the sliding guide portion 1433a may be a guide rail protrusion as shown in the figure, a clamping groove 1432c is correspondingly disposed on the slider 1432, and the sliding guide portion 1433a and the clamping groove 1432c are in clamping fit to play a role in limiting the rotation direction of the slider 1432 and a role in guiding the sliding direction.

Referring to FIG. 5, a cross-sectional view of the bracket 110 at the position of the expansion member 120 of the seat assembly 100 according to an embodiment of the present application is shown. Specifically, the two ends of the fixing seat 1433 may be provided with a rotation connection portion 1433b, and the two ends of the screw rod 1431 are respectively connected to the rotation connection portion 1433 b.

Considering that if the screw 1431 and the slider 1432 are directly installed on the bracket 110, the installation and matching structure of the screw 1431 and the slider 1432 needs to be directly molded inside the bracket 110 during the production process, and the space inside the frame of the bracket 110 is limited, so the development cost of the mold is large, the unnecessary production cost is increased, and the volume difference between the bracket 110 and the screw 1431 and the slider 1432 is large, so the assembly difficulty is large, and the time and the labor are consumed when the screw 1431 and the slider 1432 are directly assembled on the bracket 110.

Based on this, this application assembles screw 1431 and slider 1432 on fixing base 1433 through setting up fixing base 1433, specifically, screw 1431 rotates and sets up on fixing base 1433, slider 1432 cover is located screw 1431 to with the sliding guide 1433a sliding fit on fixing base 1433, make in the assembling process, can install screw 1431 and slider 1432 on fixing base 1433 earlier after, will take whole adjustment mechanism 140 to install in support 110, thereby to a great extent reduce the assembly degree of difficulty, and require to reduce to the mounting structure on support 110, be convenient for the die sinking and to the control of manufacturing cost.

Referring to fig. 5, in order to improve the flexibility of the rotation of the screw 1431 and make the adjustment easy and labor-saving, in some embodiments of the present application, a bearing 1434 may be installed at a rotation connection portion of the screw 1431 in the fixing seat 1433 to ensure that the screw 1431 can rotate easily.

With continued reference to FIG. 5, in some embodiments of the present application, the expansion member 120 is rotatably coupled to the threaded rod 1431.

The expansion piece 120 and the sliding block 1432 are coaxially arranged, so that the problem of structural interference when the sliding block 1432 drives the expansion piece 120 to rotate can be avoided. For the embodiment with the fixing seat 1433, the expansion member 120, the screw 1431 and the sliding block 1432 can be integrally installed on the fixing seat 1433, and then the formed whole is assembled with the bracket 110, which is beneficial to fully improving the assembling efficiency of the seat assembly 100.

Referring to fig. 6, an exploded view of an adjustment mechanism in a seat assembly 100 according to an embodiment of the present application is shown. In some embodiments of the present application, the driving member 141 includes a screw structure 1411, and the screw structure 1411 is connected to the screw 1431 through the transmission member 142 to control the rotation of the screw 1431.

As shown in the drawings, in particular, the screwing structure 1411 includes a screwing cap 1411a and a screwing shaft 1411b, the screwing cap 1411a may be disposed at two ends of the screwing shaft 1411b to facilitate a user to perform a screwing operation with two hands, the screwing shaft 1411b is connected to the transmission member 142 through the reduction gear set 144, in particular, the input gear 1441 of the reduction gear set 144 is connected to the screwing shaft 1411b, the output gear 1442 is provided with a first insertion port 1442a, one end of the screw 1431 is provided with a second insertion port 1431a, two ends of the transmission member 142 are provided with insertion ports 1421, and the insertion ports 1421 are respectively inserted into the first insertion port 1442a and the second insertion port 1431a to achieve torque transmission between the screwing shaft 1411b and the screw 1431.

It is understood that in other embodiments, the screw cap 1411a may be disposed on only one end of the screw shaft 1411b, and the other end of the screw shaft 1411b is disposed with a socket for connecting with the socket 1421 of the transmission member 142.

By providing the screw structure 1411, and connecting the screw structure 1411 with the screw 1431 through the transmission member 142, the manual adjustment of the expansion member 120 is realized, so that the user can adjust the supporting force of the flexible supporting member 130 while sitting or leaning on the flexible supporting member 130, which helps to adjust the flexible supporting member 130 to a comfortable state.

In other embodiments of the present application, the driving member 141 may further include a motor, and the motor is connected to the screw 1431 through the transmission member 142 to control the rotation of the screw 1431.

The screw 1431 is driven by the motor, so that the automatic adjusting function of the flexible supporting piece 130 is realized, and the adjusting convenience is improved.

With continued reference to FIG. 6, according to some embodiments of the present application, the driving member 141 is connected to the transmission member 142 via a reduction gear set 144.

The driving member 141 is connected to the transmission member 142 through the reduction gear set 144, which on one hand can make the operation of the driving member 141 easier and more labor-saving, and on the other hand can ensure that the expansion member 120 rotates slowly, so as to adjust the flexible supporting member 130 to the most suitable and comfortable state.

Referring to fig. 2 again, according to some embodiments of the present application, the transmission member 142 includes a flexible transmission shaft disposed along an edge of the bracket 110 and having two ends respectively connected to the driving member 141 and the adjusting member 143.

The flexible transmission shaft can be a flexible coupling, a serpentine spring coupling, a radial multi-layer plate spring coupling, an elastic ring pin coupling, a nylon pin coupling, a rubber sleeve coupling and the like. The both ends of flexible drive shaft are connected with axle or gear respectively, utilize elastic deformation of elastic element to transmit the moment of torsion between two axles, and flexible drive shaft has the flexible characteristics, consequently can set up flexible drive shaft along the edge of support 110, makes flexible drive shaft hide inside support 110 casing, optimizes transmission structure to make seat subassembly 100's appearance clean and tidy pleasing to the eye.

Referring to fig. 2, in some embodiments of the present application, the bottom of the bracket 110 is provided with a mounting portion 111, and the driving member 141 is disposed on the mounting portion 111.

A fixing rib 112 is disposed on one side of the mounting portion 111, a limiting groove 1121 is formed in the fixing rib 112 from a side close to the mounting portion 111 to a side close to the bracket 110 in an extending manner, and the flexible transmission shaft is disposed in the limiting groove 1121.

The installation part 111 is arranged at the bottom of the support 110, the driving part 141 is installed and fixed, the fixing rib 112 is arranged on one side in the installation part 111, the limiting groove 1121 is formed in the fixing rib 112 from one side close to the installation part 111 to one side close to the support 110 in an extending mode, the flexible transmission shaft is arranged in the limiting groove 1121, the limiting groove 1121 limits the flexible transmission shaft, specifically, when torque transmitted by the flexible transmission shaft acts on the adjusting part 143, a part of force perpendicular to the axis can be generated, and the force perpendicular to the axis on the flexible transmission shaft can be offset through the limiting effect of the limiting groove 1121 on the flexible transmission shaft, so that the stability of the flexible transmission shaft is guaranteed.

In some embodiments of the present application, the flexible support 130 is an elastic material.

Specifically, the flexible supporting member 130 may be made of synthetic fibers or natural fibers with good elasticity, such as nylon fibers, polyethylene fibers, and carbon fibers, or made of plastic materials with good elasticity, such as latex, so that the flexible supporting member 130 has the characteristics of uniform elasticity, high flexibility, high elasticity, good durability, and the like, and thus the flexible supporting member 130 may generate elastic deformation of a corresponding degree according to the posture of the rider and the applied forces of different magnitudes through its own elasticity, so that the flexible supporting member 130 may fully contact and be attached to the hip, waist, or back of the rider, thereby providing good supporting effect for the rider and ensuring the riding comfort.

Referring again to fig. 1, in some embodiments of the present application, the flexible supporting member 130 is a linear structure or a belt-like structure.

The linear configuration represents a cross-section of the flexible support 130 that is circular, elliptical, semi-circular, or otherwise arcuate. The ribbon-like structure represents a cross-section of the flexible support 130 in the shape of a square, rectangle, parallelogram, trapezoid, or other polygon.

When the flexible supporting member 130 is of a linear structure or a belt-shaped structure, and the supporting structure of the seat cushion or the backrest is mesh cloth, the flexible supporting member 130 can be inserted into the mesh cloth, so that the concealment is improved, and the appearance is neat.

As shown in fig. 1, for convenience of explanation of the structure of the flexible support 130, the rope 131 is used as the flexible support 130, and the rope 131 may be a rope having a linear structure or a rope having a belt-like structure. The rope 131 is generally a steel rope, which helps to ensure the structural strength and improve the supporting effect.

When the structure that adopts the screen cloth as the back support, flexible support piece 130 can adopt many ropes 131, can parallel arrangement or cross arrangement between many ropes 131, and rope 131 can alternate and set up in the middle of the screen cloth, makes flexible support piece 130 more hidden, and cushion or back are whole succinct pleasing to the eye more, compromise simultaneously reliably, support effectively to guarantee the comfort level when the user takes and leans on.

With continued reference to fig. 1, in some embodiments of the present application, the seat assembly 100 further includes an expansion fitting 150, the expansion fitting 150 is disposed on the opposite side of the bracket 110 from the expansion element 120, and the two ends of the flexible supporting element 130 are connected to the expansion element 120 and the expansion fitting 150, respectively.

The expansion fitting 150 may be symmetrically disposed with respect to the expansion element 120 to ensure that the flexible supports 130 are evenly distributed and supported at the same position, thereby ensuring the comfort of sitting and leaning.

By providing the expansion fitting 150, the problems of high mold opening cost of the bracket 110 and low assembly efficiency of the flexible supporting member 130 and the bracket 110 due to the need of providing the mounting structure of the flexible supporting member 130 on the bracket 110 can also be avoided.

Referring to fig. 7 and 8, the configuration of the expansion fitting 150 and the expansion element 120 of the seat assembly 100 according to an embodiment of the present application is shown. In some embodiments of the present application, the expansion element 120 is provided with a first fixing portion 122, the expansion fitting 150 is provided with a second fixing portion 151, and the two ends of the flexible supporting member 130 are provided with connecting members 1311, wherein the connecting members 1311 are respectively connected with the first fixing portion 122 and the second fixing portion 151.

As shown in the figures, in particular, the first fixing portion 122 and the second fixing portion 151 may respectively include a first groove 1221 and a second groove 1511, and the connecting member 1311 may be a clamping block, and the flexible supporting member 130 is fixedly connected between the expansion member 120 and the expansion fitting member 150 by clamping the clamping blocks at two ends in the first groove 1221 and the second groove 1511, respectively.

It is understood that, in some other embodiments of the present application, the first fixing portion 122 and the second fixing portion 151 may also be bolts or fixing columns, and the two ends of the flexible supporting member 130 are wound around the bolts or fixing columns to achieve the fixed connection, and of course, the first fixing portion 122 and the second fixing portion 151 may also be through holes, and the two ends of the flexible supporting member 130 are fixed by passing the two ends of the flexible supporting member 130 through the through holes and knotting.

Further, as shown in fig. 7 and 8, in some embodiments, the first fixing portion 122 and the second fixing portion 151 may further include a first guide groove 1222 and a second guide groove 1512, respectively, and each of the first guide groove 1222 and the second guide groove 1512 may be a strip-shaped groove, and a portion of each of two ends of the flexible support 130 is clamped in the first guide groove 1222 and the second guide groove 1512, respectively, so as to guide the extending direction of the flexible support 130, and ensure uniform distribution among the plurality of flexible supports 130, thereby achieving a comfortable and stable supporting effect.

It can be understood that, in other embodiments of the present application, an arrangement of clamping structures may also be used for guiding, specifically, the clamping structure includes two arc-shaped clamping walls disposed opposite to each other, a clamping space is formed between the two arc-shaped clamping walls, a clamping pressure inlet is formed between the top ends, the flexible support 130 is pressed into the clamping space through the clamping pressure inlet, so that the two arc-shaped clamping walls clamp the flexible support 130, and the arrangement of a plurality of such clamping structures plays a role in guiding the flexible support 130.

According to another aspect of an embodiment of the present application, there is provided a seat support comprising a support structure and the seat assembly 100 described above, the support structure being disposed on the bracket 110, and the flexible support 130 being connected to the support structure.

Further, in some embodiments of the present application, the support structure includes a mesh, and the flexible support abuts against a back side of the mesh.

The back of screen cloth indicates when taking the back or the cushion deviate from human one side, and flexible support piece 130 butt plays the support to human buttock, waist or back through supporting the screen cloth in the back of screen cloth, can guarantee simultaneously that screen cloth and one side overall structure of human contact level and smooth, avoids flexible support piece 130 directly to cause the influence in the comfort level of human contact to taking, makes the screen cloth provide different supporting effect for taking person through adjusting flexible support piece 130.

In some other embodiments, the support structure includes a mesh, and the flexible support member is a wire-like structure or a belt-like structure, and the flexible support member is connected to the mesh in an interpenetrating manner.

Through setting up flexible support piece 130 into linear structure or banded structure and be connected with the screen cloth interlude, make flexible support piece 130 more hidden, the seat is whole succinct more pleasing to the eye, compromises reliably, supports effectively simultaneously to guarantee the comfort level that the user took and leaned on.

In some further embodiments, the support structure includes a support pad, the flexible support being disposed within the support pad.

The supporting pad can be the cushion or the cushion of seat, through setting up flexible support piece inside the supporting pad, realizes the stealthy setting to flexible support piece, guarantees that the seat appearance is succinct pleasing to the eye, simultaneously through adjusting flexible support piece's holding power size, realizes the different supporting effect of cushion or cushion to provide good travelling comfort for the person of taking.

According to another aspect of embodiments of the present application, there is also provided a seat including the seat support described above.

It is to be noted that technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention belong, unless otherwise specified.

In the description of the embodiments of the present invention, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate the orientations and positional relationships indicated in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Furthermore, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely below the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (18)

1. A seat assembly, comprising: a stent, an expansion member, a flexible support member and an adjustment mechanism;

the expansion piece is movably arranged at the edge of one side of the bracket, one end of the flexible supporting piece is connected with the expansion piece, and the other end of the flexible supporting piece is connected with the edge of the other side of the bracket;

the adjusting mechanism is connected with the expansion piece and used for driving the expansion piece to move so as to adjust the flexible supporting piece.

2. The seat assembly of claim 1, wherein the adjustment mechanism includes a drive member, a transmission member, and an adjustment member;

the driving piece is arranged at the bottom end of the bracket;

the adjusting piece is arranged at one side edge of the bracket and is connected with the expansion piece;

the driving piece is connected with the adjusting piece through the transmission piece so as to drive the adjusting piece to drive the expansion piece to move.

3. The seat assembly of claim 2, wherein the adjustment member comprises a threaded rod and a slide;

the screw rod is rotationally arranged at the edge of one side of the bracket, and the sliding block is sleeved on the thread of the screw rod and is in sliding fit with the bracket, so that the screw rod is driven to slide when rotating;

the surface of the sliding block is provided with an abutting part, and the surface of the expansion piece is provided with a matching part;

the driving medium with the screw rod is connected, when the driving medium drives the screw rod rotates, butt portion with cooperation portion cooperation drive the extension piece rotates, in order to right flexible support piece adjusts.

4. The seat assembly of claim 3, wherein the abutment portion has a spiral surface and the engagement portion has a rotation guide surface, the spiral surface being in abutting engagement with the rotation guide surface such that sliding movement of the spiral surface causes rotation of the rotation guide surface.

5. The seat assembly of claim 3, wherein the adjusting member further comprises a fixing seat, the fixing seat is disposed at one side edge of the bracket, and both ends of the screw rod are rotatably connected to the fixing seat;

the fixed seat is provided with a sliding guide part, and the sliding guide part is matched with the sliding block to guide the sliding block.

6. The seat assembly of claim 3, wherein the expansion element is rotationally coupled to the threaded rod.

7. The seat assembly of claim 3, wherein the drive member includes a screw structure that is coupled to the screw via the drive member to control rotation of the screw.

8. The seat assembly of claim 3, wherein the drive member includes a motor connected to the screw via the transmission member to control rotation of the screw.

9. The seat assembly of claim 2, wherein the drive member is connected to the transmission member by a reduction gear set.

10. A seat assembly according to claim 2, wherein the drive member comprises a flexible drive shaft disposed along an edge of the bracket and having opposite ends connected to the drive member and the adjustment member, respectively.

11. The seat assembly of claim 10, wherein the bottom end of the bracket is provided with a mounting portion on which the drive member is disposed;

one side in the installation department is provided with fixed muscle, by being close to on the fixed muscle one side of installation department is to being close to one side of support extends and is provided with the spacing groove, flexible transmission shaft set up in the spacing inslot.

12. The seat assembly of claim 1, wherein the flexible support is an elastomeric material.

13. The seat assembly of claim 1, wherein the flexible support is a wire-like structure or a ribbon-like structure.

14. The seat assembly of claim 13, further comprising an expansion fitting disposed on an opposite side of the bracket from the expansion member, wherein the flexible support member is connected at each end to the expansion member and the expansion fitting.

15. The seat assembly of claim 14, wherein the expansion element has a first fixed portion and the expansion fitting has a second fixed portion, and wherein the flexible support member has connecting members at opposite ends thereof, the connecting members being connected to the first fixed portion and the second fixed portion, respectively.

16. A seat support comprising a support structure as claimed in any one of claims 1 to 15, the support structure being provided on the bracket, the flexible support being connected to the support structure.

17. The seat support of claim 16,

the supporting structure comprises a mesh cloth, and the flexible supporting piece is abutted against the back surface of the mesh cloth; or the like, or, alternatively,

the supporting structure comprises a mesh cloth, the flexible supporting piece is a linear structure or a belt-shaped structure, and the flexible supporting piece is connected with the mesh cloth in an inserting manner; or the like, or, alternatively,

the support structure includes a support pad, the flexible support member is disposed in the support pad.

18. A seat comprising a seat support as claimed in claim 16 or 17.

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