Seat connecting structure and seat

Abstract

The utility model provides a seat connecting structure and a seat. The seat connecting structure comprises a cushion part, a chassis part, a connecting part and a control part, and the chassis part is integrally connected with the cushion part. The connecting part is rotationally connected with the chassis part and can be connected with a backrest of a seat, and the connecting part and the chassis part jointly define a containing cavity. The control part is arranged in the containing cavity and comprises a drive-by-wire assembly, and the drive-by-wire assembly is connected with the connecting part so as to adjust the inclination angle of the connecting part and the backrest relative to the chassis part. The chassis part and the cushion part are connected in an integrated molding manner, so that the integrity of the seat connecting structure can be enhanced, and the structural strength of the cushion part and the stability of a deformed state can be enhanced; meanwhile, the control part is arranged in the containing cavity defined by the connecting part and the base plate part. Therefore, the seat connecting structure disclosed by the utility model is higher in integrity and lower in manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of seat, especially a seat connecting structure and seat. BACKGROUND

[0002] The lower side of the seat cushion needs to be provided with a support structure to improve the strength and prevent the seat cushion from collapsing. In addition, a control structure for controlling the inclination angle of the seat is also needed. In related technologies, the support structure and the seat cushion are manufactured in a split type, and the control structure is independently provided relative to the support structure, thereby having the problems of high assembly and material cost and poor integration. SUMMARY

[0003] The main purpose of the utility model is to provide a seat connecting structure and seat, and the seat connecting structure is higher in integration and lower in manufacturing cost.

[0004] To achieve the above-mentioned purpose, the utility model embodiment adopts the following technical scheme:

[0005] The seat connecting structure comprises:

[0006] a seat cushion part;

[0007] a bottom plate part integrally connected to the seat cushion part;

[0008] a connecting part rotatably connected to the bottom plate part, the connecting part being capable of connecting a backrest of the seat, and the connecting part and the bottom plate part jointly defining a cavity;

[0009] a control part arranged in the cavity, the control part comprising a wire control assembly connected to the connecting part to adjust the inclination angle of the connecting part and the backrest relative to the bottom plate part.

[0010] In some embodiments, along the front-rear direction, one end of the bottom plate part integrally connects the lower side of the seat cushion part, and the other end integrally connects the rear end of the seat cushion part and rotatably connects the connecting part.

[0011] In some embodiments, along the front-rear direction, one end of the bottom plate part rotatably connects the connecting part and extends out of the lower side of the seat cushion part.

[0012] In some embodiments, the seat connecting structure further comprises a cover detachably connected to the bottom plate part and / or the connecting part to cover the cavity.

[0013] In some embodiments, the bottom plate part comprises a main body integrally connected to a plurality of extension pieces along the front-rear direction, one side of the main body rotatably connects the connecting part and can define the cavity, one end of each extension piece integrally connects the seat cushion part, and the other end integrally connects the other side of the main body away from the connecting part, and each extension piece is symmetrically distributed on both sides of the main body along the left-right direction.

[0014] In some embodiments, the seat cushion part comprises an outer ring and an inner ring, the outer ring is fixedly connected with the inner ring and manufactured separately, the main body is integrally connected with a rear side of the outer ring, each extension part is integrally connected with a side end of the outer ring along the left-right direction, and the main body and each extension part are arranged separately from the inner ring.

[0015] In some embodiments, the control part comprises a locking piece and a torsion spring, the connecting part has a plurality of locking holes, each locking hole is distributed along a circumferential direction around the front-rear direction, one end of the locking piece is connected with the by-wire assembly, the other end of the locking piece can extend into one of the locking holes under the driving force of the by-wire assembly to fix the relative position of the chassis part and the connecting part, and the torsion spring connects the chassis part and the connecting part, so that after the locking piece is disengaged from the locking hole, the torsion spring can drive the chassis part and the connecting part to rotate relatively along the circumferential direction to the initial position.

[0016] In some embodiments, the by-wire assembly comprises a driving rope and a first adjusting piece located on a side of the seat cushion part, one end of the driving rope is connected with the locking piece, and the other end of the driving rope is connected with the first adjusting piece, so that the first adjusting piece can drive the driving rope and further drive the locking piece after being driven.

[0017] In some embodiments, the control part further comprises a second adjusting piece, the second adjusting piece is connected with the connecting part, and the second adjusting piece is configured to drive the backrest to move along the vertical direction relative to the connecting part after being driven.

[0018] And / or,

[0019] The control part further comprises a third adjusting piece, the third adjusting piece is connected with the connecting part, the third adjusting piece has a first state and a second state, in the first state, the third adjusting piece is adapted to abut against the backrest to fix the relative position of the backrest and the connecting part, and in the second state, the third adjusting piece is adapted to be spaced from the backrest to enable the backrest to move relative to the connecting part.

[0020] The second aspect of the embodiment of the utility model further provides a seat connecting structure comprising the seat connecting structure of any one of the above embodiments.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The utility model discloses a seat connecting structure, which comprises a cushion part, a bottom disc part, a connecting part and a control part. The bottom disc part is integrally connected with the cushion part. The connecting part is rotatably connected with the bottom disc part, and can be connected with the backrest of the seat. The connecting part and the bottom disc part jointly define a cavity. The control part is arranged in the cavity and comprises a wire control assembly connected with the connecting part to adjust the inclination angle of the connecting part and the backrest relative to the bottom disc part. Compared with the related art, the support structure and the cushion are integrally connected, and the control structure is independently arranged relative to the support structure. In the utility model, the bottom disc part and the cushion part are integrally connected, which can enhance the integrity of the seat connecting structure, is more beautiful, reduces the assembly difficulty, and is beneficial to enhancing the structural strength and stability of the cushion part after deformation. The cavity defined by the connecting part and the bottom disc part is used to arrange the control part, that is, the space between the bottom disc part and the cushion part is used to arrange the wire control assembly. Only a small part of the wire control assembly extends out of the cavity, so that the seat connecting structure has lower assembly cost, higher integrity and better appearance. Therefore, the seat connecting structure has higher integrity and lower manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can obtain other drawings according to the structures shown in the drawings without creating labor.

[0024] Figure 1 It is a first side three-dimensional schematic view of the seat connecting structure provided in an embodiment of the utility model.

[0025] Figure 2 It is a second side three-dimensional schematic view of the seat connecting structure provided in an embodiment of the utility model. The footrest is removed.

[0026] Figure 3 It is a bottom view schematic view of the seat connecting structure provided in an embodiment of the utility model. The footrest is removed.

[0027] Figure 4 It is a three-dimensional schematic view of the connecting part and the control part combined in an embodiment of the utility model. The structure that is hidden is shown by a dashed line.

[0028] Figure 5 It is a third side three-dimensional explosion schematic view of the seat connecting structure provided in an embodiment of the utility model. The footrest is removed.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] Seat connecting structure 100;

[0031] Cushion part 110; Outer ring 111; Inner ring 112;

[0032] Chassis part 120; Main body piece 121; Extension piece 122;

[0033] Connecting part 130; Locking hole 131;

[0034] Control part 140; Wire control assembly 141; Drive rope 1411; First adjusting piece 1412; Locking piece 142; Torsional spring 143; Second adjusting piece 144; Third adjusting piece 145;

[0035] Cover 150;

[0036] Cavity 200.

[0037] The implementation, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0039] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0040] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or", "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0041] The lower side of the seat cushion of the seat needs to be provided with a support structure to improve the strength and avoid the collapse of the seat cushion. In addition, a control structure for controlling the inclination angle of the seat needs to be provided. In the related art, the support structure and the seat cushion are manufactured in a split type, and the control structure is independently provided relative to the support structure, thereby having the problems of high assembly and material cost and poor integration.

[0042] In view of this, referring to Figures 1-5 The seat connecting structure 100 provided in the embodiments of the present application is used for a seat, and the seat connecting structure 100 can be assembled with other components (such as a backrest, a footrest, a caster, etc.) to form a complete seat. The directions of up, down, left, right, front and back described in the present application are all the directions of the user when normally using the seat, that is, after the user sits on the seat cushion, the direction facing is front, the direction facing back is back, and the left and right sides of the left and right hands are left and right respectively.

[0043] Specifically, the seat connecting structure 100 includes a seat cushion part 110, a bottom disc part 120, a connecting part 130 and a control part 140. Referring to Figures 1-3 The seat cushion part 110 can be any suitable type of seat cushion, for example, can be one of memory foam seat cushion, sponge seat cushion, latex seat cushion, mesh seat cushion, and the seat cushion part 110 can simultaneously contain multiple materials.

[0044] Referring to Figures 1-3The bottom plate part 120 is integrally connected with the cushion part 110, and the bottom plate part 120 is used to support the cushion part 110. It can be understood that the bottom plate part 120 is arranged at the lower side of the cushion part 110, and the bottom plate part 120 can strengthen the connection strength or the stability of the position and shape of the cushion part 110. In some embodiments, the bottom plate part 120 directly contacts the lower side of the cushion part 110; in other embodiments, the bottom plate part 120 is spaced apart from the cushion part 110 in the up-down direction, and the bottom plate part 120 can contact the cushion part 110 after the cushion part 110 is deformed after being subjected to a downward force; in still other embodiments, the bottom plate part 120 indirectly connects the cushion part 110 to form a supporting effect on the cushion part 110, for example, the bottom plate part 120 indirectly supports the cushion part 110 by connecting the frame around the cushion part 110. In particular, by integrally connecting the bottom plate part 120 with the cushion part 110, on the one hand, the integrality of the seat connection structure 100 can be enhanced, and the appearance is more beautiful and the assembly difficulty is reduced; on the other hand, it is also beneficial to enhance the structural strength of the cushion part 110 itself and the stability of the deformed state, that is, to make the supporting effect of the bottom plate part 120 better, the cushion part 110 is not easy to be permanently deformed after being pressed, and the degree of deformation after being pressed can be within a controllable range. It should be noted that the bottom plate part 120 can be integrally connected with part of the position of the cushion part 110, and in the embodiments shown in Figure 2 and Figure 3 , the bottom plate part 120 is only integrally connected with the outer ring 111 of the cushion, and is spaced apart from the inner ring 112 of the cushion.

[0045] Referring to Figures 2-5 , the connecting part 130 is rotationally connected with the bottom plate part 120, the connecting part 130 can be connected with the backrest of the seat, and the connecting part 130 and the bottom plate part 120 jointly define a cavity 200. Among them, the connecting part 130 and the bottom plate part 120 can jointly enclose a space (i.e. the cavity 200), which can be communicated with the outside, or the cavity 200 can be a closed (basically closed) space. It can be understood that the backrest of the seat is a separate component assembled, and the user connects the backrest to other parts of the seat during assembly. The connecting part 130 is used to connect the backrest and the bottom plate in this case. Since the connecting part 130 is rotationally connected with the bottom plate part 120, the connecting part 130 can adjust the angle of the backrest relative to the bottom plate part 120, specifically, the connecting part 130 can drive the backrest to rotate around the axis in the left-right direction, thereby realizing the pitching movement of the backrest. In addition to the above connection function and angle adjustment function, the connecting part 130 can also have other functions, which will be described below.

[0046] Referring to Figures 1-4The control part 140 is arranged in the accommodating cavity 200, the control part 140 comprises a wire control assembly 141, the wire control assembly 141 is connected with the connecting part 130, so as to adjust the inclination angle of the connecting part 130 and the backrest relative to the chassis part 120. It can be understood that the control part 140 can adjust each part of the seat, and the wire control assembly 141 is one of the components for adjusting. Specifically, under the action of the user, the driving rope 1411 of the wire control assembly 141 can exert a pulling force, which can directly or indirectly act on the connecting part 130, so that the connecting part 130 can drive the backrest to rotate relative to the chassis part 120, thereby achieving the effect of adjusting the inclination angle. It should be noted that the control part 140 can be partially arranged in the accommodating cavity 200, for example, the main part of the wire control assembly 141 can be located in the accommodating cavity 200, one end of the driving rope 1411 of the wire control assembly 141 can extend out of the accommodating cavity 200 and be located outside, and the end of the driving rope 1411 extending out of the accommodating cavity 200 can also be connected with the first adjusting part 1412 controlled by the user.

[0047] It can be seen that the seat connecting structure 100 of the utility model comprises a cushion part 110, a chassis part 120, a connecting part 130 and a control part 140. The chassis part 120 is integrally connected with the cushion part 110. The connecting part 130 is rotatably connected with the chassis part 120, the connecting part 130 can be connected with the backrest of the seat, and the connecting part 130 and the chassis part 120 jointly define an accommodating cavity 200. The control part 140 is arranged in the accommodating cavity 200, the control part 140 comprises a wire control assembly 141, the wire control assembly 141 is connected with the connecting part 130, so as to adjust the inclination angle of the connecting part 130 and the backrest relative to the chassis part 120. Compared with the related art that the support structure and the cushion are manufactured in a split type and assembled at the assembly stage by means of threaded connection and the like, and the control structure is independently arranged relative to the support structure, in the scheme of the utility model, by integrally connecting the chassis part 120 with the cushion part 110, the integrality of the seat connecting structure 100 can be enhanced, and the seat connecting structure 100 is more beautiful and has reduced assembly difficulty, and is also beneficial to enhancing the structural strength of the cushion part 110 and the stability of the deformed state. At the same time, the control part 140 is arranged by utilizing the accommodating cavity 200 jointly defined by the connecting part 130 and the chassis part 120, that is, the space formed between the chassis part 120 and the cushion part 110 is further utilized to place the wire control assembly 141, only a small part of the wire control assembly 141 can extend out of the accommodating cavity 200, so that the seat connecting structure 100 has lower assembly cost, higher integrality and better appearance. Therefore, the seat connecting structure 100 of the utility model has higher integrality and lower manufacturing cost.

[0048] For the specific position of integrally connecting the chassis part 120 with the cushion part 110, refer to Figures 2-3In some embodiments, along the front-rear direction, one end of the chassis 120 is integrally connected to the lower side of the cushion 110, the other end is integrally connected to the rear end of the cushion 110, and the chassis 120 is rotatably connected to the connecting portion 130. The position where the chassis 120 is connected to the lower side of the cushion 110 can be the front part of the lower side of the cushion (the front part of the lower side of the cushion is defined as the part on the front side of the centroid of the shape of the cushion viewed in the vertical direction, and other relevant definitions in the utility model are the same). The position where the chassis 120 is connected to the rear end of the cushion can be the front end of the lower side of the cushion (the rear position of the lower side), or the side of the rear end of the cushion. The above-mentioned connection positions can make full use of the space in the front-rear direction, so that the supporting and reinforcing effect of the chassis 120 is better. In addition, the position where the chassis 120 is rotatably connected to the connecting portion 130 can avoid interference between the rotatable connecting portion 130 and the cushion 110, and facilitate the connection between the connecting portion 130 and the backrest. Further, in some embodiments, along the front-rear direction, one end of the chassis 120 rotatably connected to the connecting portion 130 extends out of the lower side of the cushion 110. In other embodiments, the chassis 120 can be integrally connected to any other suitable position of the cushion 110.

[0049] Referring to Figure 2 and Figure 5 In some embodiments, the seat connecting structure 100 further comprises a cover 150, which is detachably connected to the chassis 120 and / or the connecting portion 130 to cover the cavity 200. It can be understood that the cover 150 can be detachably connected to the chassis 120 and / or the connecting portion 130 in any suitable manner such as threaded connection. When the cover 150 covers the cavity 200, the cavity 200 is closed, and at this time the cavity 200 can be (completely or basically) isolated from the outside, thereby improving the appearance of the seat connecting structure 100 and reducing the risk of dropping and losing parts in the cavity 200. When it is necessary to install the control portion 140 or to perform other operations on the inside of the cavity 200, the user can remove the cover 150 to expose the parts in the cavity 200. Figure 2 and Figure 5 In the embodiments shown in the drawings, the cover 150 is connected to the chassis by screws, and one side of the cover 150 is provided with an opening, part of the connecting portion 130 extends out of the opening, and in the process of rotating the connecting portion 130 relative to the chassis, the connecting portion 130 further extends into the above-mentioned opening, that is, a gap is formed between the cover 150 and the connecting portion 130, which provides a rotating space for the connecting portion 130.

[0050] For the specific structure of the chassis 120, refer to Figures 2-3In some embodiments, the base part 120 comprises a main body 121 integrally connected with each other and extending in the front-rear direction, and a plurality of extension parts 122, one end of each of which is integrally connected with the seat cushion part 110 and the other end of each of which is integrally connected with the main body 121 away from the side of the connecting part 130, and each of the extension parts 122 is symmetrically distributed on the two sides of the main body 121 in the left-right direction. It can be understood that the main body 121 is the part of the base part 120 extending in the front-rear direction, and the side of the main body 121 rotatably connected with the connecting part 130 is the side of the main body 121 close to the connecting part 130, which can correspond to the rear side of the seat, and the side of the main body 121 away from the connecting part 130 can be located at any position away from the rotatable connection position, that is, in the vertical direction, the position of each extension part 122 connected with the main body 121 can correspond to the front side of the seat cushion part 110 or the rear side of the seat cushion part 110. The connection position of the extension part 122 and the seat cushion part 110 can be a position where the structural strength needs to be enhanced, and in the embodiments shown in Figure 2 and Figure 3 , the number of extension parts 122 is 4, of which 2 are located on the front side of the seat cushion part 110 and symmetrically arranged, and the other 2 are located on the rear side of the seat cushion part 110 and symmetrically arranged, and in addition, the rear side of the main body 121 (i.e. the side rotatably connected with the connecting part 130) is also integrally connected with the seat cushion part 110 to further increase the structural strength and integrity of the seat connecting structure 100.

[0051] For the specific structure of the seat cushion part 110, see Figure 5In some embodiments, the cushion part 110 comprises an outer ring 111 and an inner ring 112, the outer ring 111 is fixedly connected with the inner ring 112 and manufactured separately. It can be understood that the outer ring 111 and the inner ring 112 are two parts of the cushion part 110, which are manufactured separately and fixedly connected through subsequent assembly process. After fixedly connected, the outer ring 111 and the inner ring 112 can be detachable or non-detachable. In addition, the outer ring 111 can completely wrap the inner ring 112 (i.e. the outer ring 111 forms a complete ring shape in the vertical direction, and the inner ring 112 is completely located inside the ring shape), or partially wrap the inner ring 112 (i.e. the outer ring 111 forms a ring shape with a gap, such as "U" shape, and the inner ring 112 is completely located inside the ring shape or partially extends from the gap). Specifically, in some embodiments, the outer ring 111 and the inner ring 112 can be made of different materials, so that the elastic modulus of the outer ring 111 is greater than that of the inner ring 112. At this time, the inner ring 112 can be the main force part after the user sits down, and can be deformed according to the force of the user. The structural strength of the outer ring 111 is greater than that of the inner ring 112, so that the outer ring 111 can be a hard material, so that the outer ring 111 plays a supporting and reinforcing role and shaping role for the inner ring 112. Based on the above defined outer ring 111 and inner ring 112, in some embodiments, the main body piece 121 is integrally formed to connect the rear side of the outer ring 111, each extension piece 122 is integrally formed to connect one side end of the outer ring 111 along the left-right direction, and the main body piece 121 and each extension piece 122 are spaced apart from the inner ring 112. Through the above connection mode, on the one hand, the force points (corresponding to the connection positions of the two) between each extension piece 122 and the cushion part 110 can be more dispersed and evenly distributed, so as to further increase the structural strength of the seat connecting structure 100. On the other hand, when the elastic modulus of the outer ring 111 is greater than that of the inner ring 112, from the process point of view, the outer ring 111 is more easily integrally formed with the main body piece 121 and the extension piece 122, and the connection strength formed by the outer ring 111 is higher, and the main body piece 121 and each extension piece 122 avoiding the inner ring 112 can provide deformation space for the inner ring 112.

[0052] For the specific form of the control part 140 controlling the rotation of the connecting part 130, see Figure 4In some embodiments, the control part 140 comprises a locking member 142 and a torsion spring 143, the connecting part 130 has a plurality of locking holes 131, each of which is distributed along the circumferential direction around the front-back direction, one end of the locking member 142 is connected to the wire control assembly 141, and the other end can extend into one of the locking holes 131 under the driving force of the wire control assembly 141 to fix the relative position of the chassis part 120 and the connecting part 130. It can be understood that each of the locking holes 131 distributed along the circumferential direction corresponds to each relative pitch angle of the backrest relative to the chassis part 120, when the locking member 142 does not extend into the locking hole 131, the chassis part 120 and the connecting part 130 can rotate relative to each other under the action of external force, when the locking member 142 extends into the locking hole 131 along the direction parallel to the rotation axis, the cooperation between the locking member 142 and the locking hole 131 can block the relative rotation of the chassis part 120 and the connecting part 130. From the above description, the cross-sectional shape of the locking hole 131 and the structural shape of the connecting part 130 can be set according to requirements. In order to achieve the reset effect after rotation, in some embodiments, the torsion spring 143 connects the chassis part 120 and the connecting part 130, so that after the locking member 142 is separated from the locking hole 131, the torsion spring 143 can drive the chassis part 120 and the connecting part 130 to rotate relative to each other to the initial position in the circumferential direction, wherein according to different settings, the driving force of the torsion spring 143 in the circumferential direction can be to drive the connecting part 130 or the chassis part 120 to tilt to the front side, or to tilt to the rear side, the relative rotation of the chassis part 120 and the connecting part 130 to the initial position can be preset, so that the locking member 142 driven by the torsion spring 143 can extend into one of the locking holes 131 (or the locking member 142 is rotated to the position facing any locking hole 131, and the locking member 142 can be inserted into the above-mentioned locking hole 131 under the driving force of the wire control assembly 141).

[0053] For the specific composition of the wire control assembly 141, see Figure 2 In some embodiments, the wire control assembly 141 comprises a driving rope 1411 and a first adjusting member 1412 located on the side of the seat cushion part 110, one end of the driving rope 1411 is connected to the locking member 142, and the other end of the driving rope 1411 is connected to the first adjusting member 1412, so that the first adjusting member 1412 can drive the driving rope 1411 and further drive the locking member 142 after being driven. Wherein, the driving rope 1411 can be a steel wire rope in particular, in order to facilitate control, the first adjusting member 1412 can be a button that can be rotated or pushed in particular. More specifically, in Figure 2In the embodiment shown, when the user pulls the first adjusting member 1412, the driving rope 1411 is pulled and transmits the pulling force through the pulley system cooperating with the driving rope 1411, and the driving rope 1411 finally transmits the pulling force to the locking member 142 connected thereto, so as to pull the locking member 142 out of the locking hole 131. When the user releases the first adjusting member 1412, the locking member 142 can automatically extend into the locking hole 131, i.e., return to the locking state.

[0054] For other control actions of the control part 140, see Figure 2 In some embodiments, the control part 140 further comprises a second adjusting member 144 connected to the connecting part 130, and the second adjusting member 144 is configured to drive the backrest to move vertically relative to the connecting part 130 after being driven. The second adjusting member 144 is only used to drive the backrest to move upward, or is only used to drive the backrest to move downward, or is used to drive the backrest to move upward and downward at the same time, or the second adjusting member 144 can include two and be used to control the upward movement and the downward movement respectively. On the other hand, see Figure 2 In some embodiments, the control part 140 further comprises a third adjusting member 145 connected to the connecting part 130, and the third adjusting member 145 has a first state and a second state. In the first state, the third adjusting member 145 is adapted to abut against the backrest to fix the relative position of the backrest and the connecting part 130, and in the second state, the third adjusting member 145 is adapted to be spaced from the backrest to enable the backrest to move relative to the connecting part 130. Specifically, in Figure 2 In the embodiment shown, the second adjusting member 144 is a button, and the second adjusting member 144 can drive the backrest to move upward after being pressed. In addition, the user can apply a downward force to the backrest to make the backrest move downward. On the other hand, the third adjusting member 145 includes a knob and a clamping member. When the control knob is rotated in one direction, the clamping member can be driven to abut against the backrest, so that the clamping member can limit the movement of the backrest. When the control knob is rotated in the other opposite direction, the clamping member can be driven to move away from the backrest, so that the backrest can move relative to the connecting part 130.

[0055] In some embodiments, the seat connecting structure 100 can further include a footrest, which can be stowed, folded or unfolded. When unfolded, the footrest can provide support to the legs and feet of the human body, relieve fatigue and improve comfort. After use, the footrest is in a folded state to reduce space occupation.

[0056] The second aspect of the utility model further provides a seat.

[0057] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and the attached drawings or direct / indirect application in other related technical fields is included in the patent protection range of the utility model.

Claims

1. A seat connecting structure, characterized by, The seat connecting structure comprises: a seat cushion; a base plate integrally connected with the seat cushion; a connecting part rotatably connected with the base plate, the connecting part being capable of connecting with a backrest of the seat, the connecting part and the base plate jointly defining a cavity; a control part arranged in the cavity, the control part comprising a wire control assembly connected with the connecting part to adjust an inclination angle of the connecting part and the backrest relative to the base plate.

2. The seat connecting structure according to claim 1, wherein one end of the base plate integrally connects a lower side of the seat cushion, and the other end integrally connects a rear end of the seat cushion and rotatably connects the connecting part in the front-rear direction.

3. The seat connecting structure according to claim 2, wherein one end of the base plate rotatably connected with the connecting part protrudes from the lower side of the seat cushion in the front-rear direction.

4. The seat connecting structure according to claim 1, further comprising a cover detachably connected with the base plate and / or the connecting part to cover the cavity.

5. The seat connecting structure according to claim 1, wherein the base plate comprises a main body integrally connected with a plurality of extension parts, the main body extending in the front-rear direction, one side of the main body rotatably connected with the connecting part and capable of defining the cavity in the front-rear direction, one end of each of the extension parts integrally connected with the seat cushion, and the other end integrally connected with the main body away from the other side of the connecting part, each of the extension parts symmetrically distributed on both sides of the main body in the left-right direction.

6. The seat connecting structure according to claim 5, wherein the seat cushion comprises an outer ring and an inner ring fixedly connected and separately manufactured, the main body integrally connected with a rear side of the outer ring, each of the extension parts integrally connected with one side end of the outer ring in the left-right direction, and the main body and each of the extension parts being spaced apart from the inner ring.

7. The seat connecting structure according to claim 1, wherein the control part comprises a locking part and a torsion spring, the connecting part having a plurality of locking holes distributed in a circumferential direction around the front-rear direction, one end of the locking part connected with the wire control assembly, the other end capable of extending into one of the locking holes under the driving force of the wire control assembly to fix the relative position of the base plate and the connecting part, and the torsion spring connected with the base plate and the connecting part to drive the base plate and the connecting part to rotate relatively in the circumferential direction to an initial position when the locking part is disengaged from the locking hole.

8. The seat connecting structure according to claim 7, wherein ​ The wire control assembly comprises a driving rope and a first adjusting member located at the side of the seat cushion part, one end of the driving rope is connected with the locking member, the other end of the driving rope is connected with the first adjusting member, so that the first adjusting member can drive the driving rope and further drive the locking member after being driven.

9. The seat connection structure according to claim 1, wherein, The control part further comprises a second adjusting member, the second adjusting member is connected with the connection part, and the second adjusting member is configured to drive the backrest to move along the vertical direction relative to the connection part after being driven; And / or, The control part further comprises a third adjusting member, the third adjusting member is connected with the connection part, the third adjusting member has a first state and a second state, in the first state, the third adjusting member is adapted to abut against the backrest to fix the relative position of the backrest and the connection part, in the second state, the third adjusting member is adapted to be spaced from the backrest to enable the backrest to move relative to the connection part.

10. A seat, characterized by Including: The seat connection structure according to any one of claims 1-9.

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