WO2022267100A1

WO2022267100A1 - Recreational chair

Info

Publication number: WO2022267100A1
Application number: PCT/CN2021/105114
Authority: WO
Inventors: 肖建国
Original assignee: 广东佳居家具有限公司
Priority date: 2021-06-21
Filing date: 2021-07-08
Publication date: 2022-12-29
Also published as: CN113331617A

Abstract

Disclosed in the present invention is a recreational chair, relating to the technical field of chairs. The recreational chair provided by the present invention comprises: a stand, a footrest assembly, and a telescopic mechanism, the footrest assembly comprising a first bearing plate and a second bearing plate, and the first bearing plate being hinged to the stand, wherein the first bearing plate comprises a plate body and a side plate formed by integrally bending the plate body, and the second bearing plate and the side plate are connected to be slidable relative to one another; and the telescopic mechanism comprises a follow-up linkage mechanism and a footrest rotation drive assembly used for driving the first bearing plate to rotate relative to the stand, the follow-up linkage mechanism being arranged between the first bearing plate and the second bearing plate to drive the second bearing plate to slide. In the recreational chair provided in the present invention, the plate body of the first bearing plate is integrally bent to form a side plate for connecting the second bearing plate, simplifying the structure and reducing the use of parts, thereby making the product lightweight and low cost.

Description

a leisure seat

technical field

The invention relates to the technical field of chairs, in particular to a leisure seat.

Background technique

Existing furniture products, such as leisure chairs, include types with pedals and without pedals. Some of the seats do not have pedal devices. The legs are not supported, which will affect the comfort of the user.

And some leisure chairs have pedal devices. For example, in the prior art, the Chinese patent application with application number CN201620337859.6 discloses a pedal device and a leisure chair with the pedal device. Pedal, pedal bracket, power iron sheet and connecting rod transmission device; the pedal bracket is arranged on the pedal, and a guide rail is arranged on the pedal bracket, and the power iron sheet is connected to the guide rail; the connecting rod transmission device includes several The connecting rods are hinged in turn, one end of the connecting rod transmission device is connected to the pedal, and the middle part of the connecting rod transmission device is connected to the pedal bracket; when the power iron piece is driven, the power iron piece moves and simultaneously drives the guide rail to slide and the connecting rod to move, so that Pedals do telescopic movement.

However, the pedal structure of the pedal device is complex, there are many parts, the production is complicated, and the production efficiency is low, which causes the whole product to be relatively heavy and costly.

Therefore, need to propose a kind of new leisure seat structure.

Contents of the invention

In order to overcome at least one of the above-mentioned defects in the prior art, the present invention provides a leisure seat to solve the problems of complicated and difficult manufacture of the pedal telescoping mechanism of the existing seat, and at the same time have the advantages of reducing weight and cost .

The technical scheme that the present invention adopts for solving its problem is:

A leisure seat, comprising:

bracket;

The pedal assembly includes a first supporting board and a second supporting board, the first supporting board is hinged to the bracket, wherein the first supporting board includes a board body and a side formed by integrally bending the board body plate, the second support plate and the side plate can be relatively slidably connected;

telescoping mechanism, the telescoping mechanism includes a follow-up link mechanism and a pedal rotation drive assembly for driving the first support plate to rotate relative to the bracket, the follow-up link mechanism is arranged on the first support plate And between the second supporting plate to drive the second supporting plate to slide.

In the leisure seat provided by the present invention, the first support plate is integrally bent by the plate body to form a side plate for the connection of the second support plate, which simplifies the structure and reduces the use of parts, thereby realizing the light weight and low cost of the product. costing.

Further, the side plate is also integrally formed with ears protruding from the end surface of the plate body, and the ears are hinged to the bracket.

Further, the follow-up linkage mechanism includes a first connecting rod, a second connecting rod, a conversion connector and a driving rod, wherein the first connecting rod is hinged to the first supporting plate, and the second connecting rod The connecting rod is hinged to the second supporting plate, the first connecting rod is located on both sides of the hinged position with the first supporting plate and is respectively hinged to the second connecting rod and the conversion connector, and the The driving rod is respectively hinged with the bracket and the conversion connector;

A buffer assembly for buffering the swing of the driving rod is also provided at the hinge joint between the driving rod and the bracket.

The leisure seat provided by the present invention also improves the telescopic mechanism that drives the stretching and contraction of the pedal assembly. Specifically, the first supporting plate is driven to rotate through the pedal rotation driving assembly, which simplifies the structure of the follow-up link mechanism. In the invention, the follow-up link structure includes a first link, a second link, a link link and a driving rod, and a buffer assembly is provided at the position where the driving rod is hinged with the bracket, so that the driving assembly drives the first pedal when the pedal rotates. When the supporting plate rotates relative to the bracket, the driving rod drives the first connecting rod to rotate around the hinged position on the first supporting plate through the conversion connection, thereby pulling the second connecting rod, so that the second supporting plate is relative to the first supporting plate. The plate moves to realize the expansion or contraction of the foot pedal assembly. With this structure, the complex structure is simplified through the conversion connector. The shape of the driving rod reduces the difficulty of production and processing;

In addition, because the first connecting rod rotates around the hinged position on the first support plate, the driving rod will swing at an angle relative to the support, and the setting of the buffer assembly allows the driving rod to swing freely, and can also be used during the swing process. Buffering is performed to make the drive stable, and the structure of the linkage mechanism is also simplified, so that the seat has good economy, and has the advantages of light weight and low cost.

Further, the buffer assembly includes a fixed part connected to the bracket and a ball connection part connected to the fixed part, and the driving rod is ball-hinged to the ball connection part.

Further, the buffer assembly further includes an elastic member, the elastic member is connected with the driving rod, and drives the driving rod to abut against any end of the fixing part.

Further, one end of the elastic member is fixed relative to the fixing part, and the other end is fixed or abutted against the driving rod.

Further, the elastic member is an elastic washer, the elastic washer has a through hole, the elastic washer is sleeved on the fixed part through the through hole, one side of the elastic washer is against the driving rod, and the other is One side is fixed relative to the driving rod.

Further, the conversion connector includes two connecting ends arranged perpendicular to each other, one of the connecting ends is hinged to the first connecting rod, and the other connecting end is hinged to the driving rod.

Further, the conversion connection piece is an L-shaped corner piece.

Further, the pedal rotation drive assembly includes at least one drive plate, at least one drive link and at least one drive member, one end of the drive plate is hinged to the bracket, and the other end is hinged to the drive link, so The driving link is hinged to the first supporting plate, and the driving member is used to drive the driving plate to rotate relative to the bracket.

Further, the drive plates are arranged in pairs, the drive links are arranged in pairs corresponding to the drive plates, the paired drive plates are fixedly connected by a drive shaft, and the drive member is connected to the drive shaft.

Further, the driving member is a telescopic rod, one end of the telescopic rod is hinged to the bracket, and the other end is connected to the driving plate to drive the driving plate to rotate relative to the bracket.

Further, the bracket) includes a bottom support frame, a top frame and a connection support, the top frame is arranged above the bottom support frame; the connection support connects the top frame and the bottom support frame; in,

The top frame includes at least one front beam, at least one rear beam, and side beams connecting the front beam and the rear beam, and the side beams are rectangular structural beams;

The connecting support includes a horizontal portion and a support arm, the horizontal portion is connected to the bottom support frame, the support arms are arranged on both sides of the horizontal portion and connected to the horizontal portion, the support arm is connected to the horizontal portion The side beams are fixed.

Further, the support arm is provided with a support connection plate, and the support connection plate is attached to and fixed to the surface of the side beam.

Further, the support arm is connected to the horizontal part, so that the connecting support member is in a U-shape extending outward.

Further, the first supporting plate and the second supporting plate are connected through a slide rail assembly, wherein the slide rail assembly includes a guide plate piece, a guide groove piece and a rolling piece, and the guide plate piece is provided with a guide plate The guide edge is provided with a first guide groove, and the guide groove member is provided with a second guide groove, and the first guide groove and the second guide groove are combined to form the rolling The guide groove for the rolling of parts.

In summary, the leisure seat provided by the present invention has the following technical effects:

1) Improve the pedal structure, simplify the pedal structure, reduce parts assembly, and achieve the purpose of product lightweight and low cost;

2) Improve the telescopic mechanism, simplify the structure of the follow-up link mechanism by setting the conversion connector and the buffer assembly, so that the telescopic mechanism has the function of driving the pedal assembly to extend or contract, reducing the difficulty of processing and production, making the The seat has the advantages of light weight and low weight;

3) The ball connection part of the buffer assembly is hinged with the drive rod ball, so that the drive rod can swing freely relative to the buffer assembly, that is, relative to the support, and the connection structure is simplified;

4) The elastic part of the buffer assembly exerts elastic force on the driving rod, driving it to abut against one end of the fixed part, thereby reducing the possibility that the driving rod shakes relative to the fixed part and collides with the fixed part, thereby causing damage to both;

5) The conversion connector includes two ends perpendicular to each other for connecting with the first connecting rod and the driving rod, and the structure is simple and ingenious;

6) The conversion connector is set as an L-shaped corner piece, which has a simple structure and is convenient for production and processing;

7) Simplify the pedal rotation driving assembly, the driving part drives the driving plate to rotate relative to the bracket, and then drives the connecting rod to drive the first supporting plate to follow, so as to achieve the purpose of driving the first supporting plate to rotate relative to the bracket, the structure is simple, and further Conducive to the lightweight and low cost of products;

8) The driving plate and the driving connecting rod are arranged in pairs, which can provide stable and sufficient driving force to the first supporting plate, improve the stability of pedal driving, and drive the paired driving plates to rotate through a driving shaft, simplifying the structure, Conducive to the lightweight and low cost of products;

9) Improve the structure of the bracket, simplify the structure of the pedal, reduce the assembly of parts, and further achieve the purpose of reducing the weight and cost of the product;

10) The side beams and the rear beams are set as rectangular structural beams, which have high structural strength and light weight;

11) Lightweight slide rail components are used to further achieve the goal of reducing product weight and cost.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a leisure seat in one of the embodiments of the present invention;

Fig. 2 is an enlarged view of part A in Fig. 1;

Fig. 3 is a schematic view of the upward direction of the leisure seat in one of the embodiments of the present invention;

Fig. 4 is an enlarged view of part B in Fig. 3;

Fig. 5 is a side view of the leisure seat in an unfolded state in one embodiment of the present invention;

Fig. 6 is a side view of the leisure seat in a folded state in one embodiment of the present invention;

Fig. 7 is a structural schematic view of the leisure seat after the pedal assembly is removed in one embodiment of the present invention;

Fig. 8 is a schematic structural view of the top frame of the leisure seat in one embodiment of the present invention;

Fig. 9 is a schematic structural view of the first support plate of the leisure seat in one embodiment of the present invention;

Fig. 10 is a structural schematic diagram of a slide rail assembly of a leisure seat in one embodiment of the present invention;

Fig. 11 is a schematic structural view of a guide plate of a leisure seat in one embodiment of the present invention;

Fig. 12 is an exploded schematic diagram of the fixed part and the ball connection part of the leisure seat in one embodiment of the present invention;

Fig. 13 is a structural schematic diagram of the conversion connecting piece of the leisure seat in one embodiment of the present invention. Among them, the reference signs have the following meanings:

1. Bracket; 101. Bottom support frame; 1011. Rotation shaft; 102. Connecting support; 1021. Horizontal part; 10211. Connecting frame; 1022. Supporting arm; 10221. Supporting connecting plate; Frame; 1031, front beam; 10311, first fixed iron piece; 10312, second fixed iron piece; 10313, third fixed iron piece; 1032, rear beam; 1033, side beam; 2, pedal assembly; 201, first Supporting plate; 2011, plate body; 20111, hinge through hole; 20112, avoidance gap; 2012, side plate; 2013, ear; 202, second supporting plate; 203, slide rail assembly; 2031, guide plate piece; , guide edge; 20312, first guide groove; 20313, limit block; 20314, processing gap; 2032, guide groove; 20321, chute; 20322, second guide groove; 2033, rolling part; Backrest assembly; 301, backrest body; 302, backrest pitch angle driver; 3021, first telescopic cylinder; 4, telescopic mechanism; 401, pedal rotation drive assembly; 4011, drive plate; 4012, drive link; Buffer pad; 4013, driving part; 40131, second telescopic cylinder; 4014, drive shaft; 402, follow-up link mechanism; 4021, first connecting rod; 40211, pin; 4022, second connecting rod; 4023, conversion Connector; 40231, connecting end; 4024, driving rod; 4025, buffer assembly; 40251, fixed part; 402511, screw part; 402512, fixed connecting part; ; 40253, elastic parts.

detailed description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or positional relationship. Elements must have certain orientations, be constructed and operate in certain orientations, and therefore should not be construed as limitations on the invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.

Example

Referring to FIG. 1 , the present invention discloses a leisure seat, which includes a bracket 1 , a footrest assembly 2 connected to the bracket 1 , and a backrest assembly 3 .

1 to 7, in this embodiment, the bracket 1 includes a bottom support frame 101, a connecting support 102 and a top frame 103, the connecting support 102 is used to connect the bottom support frame 101 and the top frame 103, and the bottom support frame 101 is provided with There is a rotating shaft 1011.

Referring to Fig. 8, as a preferred embodiment, in this embodiment, the top frame 103 includes at least one front beam 1031, at least one rear beam 1032, and a side beam 1033 connecting the front beam 1031 and the rear beam 1032, wherein the side beam 1033, the rear beam 1032 It is a rectangular structural beam, preferably, a square structural beam is used.

Referring to FIG. 8 , as a preferred embodiment, in this embodiment, the front beam 1031 is a sheet metal part; with such arrangement, a front beam 1031 with a larger load-bearing area can be manufactured as required.

7, as a preferred implementation, in this embodiment, the connection support 102 includes a horizontal portion 1021 and support arms 1022 connected to both sides of the horizontal portion 1021, and the two support arms 1022 are connected to the horizontal portion 1021 so that the connection support 102 It is U-shaped extending outward.

Referring to FIG. 7 , as a preferred implementation manner, in this embodiment, the support arm 1022 is fixed to the side beam 1033 .

Referring to Fig. 5, as a preferred embodiment, in this embodiment, the support arm 1022 is provided with a support connecting plate 10221, and the support connecting plate 10221 is attached to the surface of the side beam 1033, and then the support is connected by a threaded connection or welding. The connecting plate 10221 is fixed to the side beam 1033 .

Referring to Fig. 5 and Fig. 6, as a preferred implementation mode, in this embodiment, the support arm 1022 is parallel to the axial direction of the rotation shaft 1011, and the surface of the support connecting plate 10221 forms an inclination angle a with the support arm 1022, so that the top frame 103 and the rotation shaft The axes of 1011 form an angle b equal to a, wherein, 0°<b<90°.

Further, 40°<b<80°.

Referring to FIG. 5 , as a preferred implementation manner, in this embodiment, b is 75°.

The purpose of making the top frame 103 and the axis of the rotating shaft 1011 an inclination angle b is to: when the human body sits on a cushion (not shown) above the top frame 103, the center of gravity of the human body is moved toward the direction of the backrest assembly 3, thereby achieving comfort. The purpose is to prevent the human body from falling from the cushion when sitting or lying down normally;

The purpose of setting the inclination angle a is to set the rotation axis 1011 of the floor support frame in the direction of the backrest assembly 3, so that the support arm 1022 avoids the footrest assembly 2, and provides sufficient space for the footrest assembly 2 to be accommodated under the top frame 103. The storage space can reduce the interference between the pedal assembly 2 and the connecting support 102. In the case of sufficient storage space, the size of the pedal assembly 2 can be increased so that it has a larger supporting area or a larger Stretch length.

Referring to Fig. 6 and Fig. 7, as a preferred embodiment, in this embodiment, the backrest assembly 3 includes a backrest body 301 and a backrest pitch angle driver 302, the backrest body 301 is rotatably connected to the bracket 1, specifically, the backrest body 301 can be It is rotatably connected with the rear beam 1032 .

The backrest pitch angle driver 302 is used to drive the angle of the backrest body 301 relative to the support, specifically, the backrest pitch angle driver 302 includes a first telescopic cylinder 3021, and one end of the first telescopic cylinder 3021 extends from the backrest body 301 to the top frame The part below 103 is hinged, and the other end is hinged with connecting support 102 .

More specifically, one end of the first telescopic cylinder 3021 is connected to the support arm 1022 , and the support arm 1022 is provided with a connecting seat 10222 for the hinged connection of the first telescopic cylinder 3021 .

1 to 7, the pedal assembly 2 includes a first supporting plate 201 and a second supporting plate 202, wherein the first supporting plate 201 is hinged to the bracket 1, and the second supporting plate 202 is connected to the first supporting plate. The plates 201 are connected and can slide linearly relative to the first support plate 201 .

Referring to Fig. 9, the first supporting plate 201 includes a plate body 2011, the two sides of the plate body 2011 are bent to form two side plates 2012, the side plates 2012 and the surface of the plate body 2011 are perpendicular to each other, and the side plate 2012 is integrally formed with a set There is an ear portion 2013 protruding from the end surface of the plate body 2011 , and the ear portion 2013 is hinged with the bracket 1 .

Referring to FIG. 2 , further, the ear 2013 is hinged to the first fixed iron piece 10311 provided on the bracket 1 , and the ear 2013 is connected to the first fixed iron piece 10311 by bolts and nuts, so that the ear 2013 can be moved relative to the bracket 1 Turn freely.

Furthermore, the distance between the first supporting board 201 and the second supporting board 202 is stacked, and the first supporting board 201 and the second supporting board 202 are connected by a slide rail assembly 203 .

Referring to Fig. 10 and Fig. 11, further, the slide rail assembly 203 includes a guide plate part 2031 and a guide groove part 2032, and the guide plate part 2031 slides along the chute 20321 provided on the guide groove part 2032, so as to realize the guide plate part 2031 and the guide groove part 2032 The straight line between slides relative to each other.

Referring to Fig. 5, as a preferred embodiment, in this embodiment, the guide plate member 2031 is fixed on the side plate 2012, the guide groove member 2032 is fixed to the second supporting plate 202, and the guide groove member 2032 is located on the second plate toward the second plate. One side of a supporting plate 201; the purpose of such setting is: compared with the guide plate part 2031, the guide groove part 2032 is more difficult to process and form, and when the pedal assembly 2 is stretched outward, the first supporting plate 201 will After turning outwards and the second supporting plate 202 is slid outward relative to the first supporting plate 201, the guide plate 2031 is exposed on the side of the first supporting plate 201, while the guide groove 2032 is located on the second supporting plate 201. The lower surface of the plate 202, the second supporting plate 202 can cover the guide groove 2032, forming a protection for the guide groove 2032, avoiding the deformation of the guide groove 2032 or the blockage of the chute 20321 when the pedal assembly 2 is deployed. , by maintaining the sliding stability and reliability of the slide rail assembly 203, the service life guarantee of the slide rail assembly 203 is extended;

In other possible embodiments, the guide groove part 2032 can also be fixed on the side plate 2012, and the guide plate part 2031 can be fixed on the second support plate 202, so that the second support plate 202 can also be fixed relative to the first support plate 202. The supporting plate 201 slides linearly.

Referring to Fig. 10 and Fig. 11, further, as a preferred implementation mode, in this embodiment, the guide part 2031 is provided with a guide edge 20311 slidingly fitted with the chute 20321, and the guide edge 20311 is arranged along a direction perpendicular to the guide part 2031 .

Furthermore, as a preferred embodiment, the guide edge 20311 is integrally formed with the guide plate part 2031 and formed by bending the guide plate part 2031 .

Referring to Fig. 10, as a preferred embodiment, the slide rail assembly 203 further includes a rolling member 2033, and the guide plate member 2031 is also provided with a first guide groove 20312 for the rolling member 2033 to roll, and the inner wall of the slide groove 20321 corresponds to the first guide The groove 20312 is provided with a second guide groove 20322, and the rolling element 2033 rolls in a guide groove (not marked in the figure) where the first guide groove 20312 and the second guide groove 20322 are combined.

Furthermore, the first guide groove 20312 is disposed on the guide edge 20311 .

Further, the rolling element 2033 is a ball.

Furthermore, two first guide grooves 20312 are symmetrically arranged on the upper and lower surfaces of the guide edge 20311, and two second guide grooves 20322 are symmetrically arranged on the guide groove member 2032; The rolling member 2033 fits with the first guide groove 20312 and the second guide groove 20322 to assist the relative sliding of the guide plate member 2031 and the guide groove member 2032 , improving the stability of the slide rail assembly 203 in use.

Referring to FIG. 11 , further, the guide edge 20311 is provided with a limit stopper 20313 on at least one side of its upper and lower surfaces, and at least one limit stopper 20313 is provided at both ends of the guide plate member 2031 along the length direction; The stopper 20313 abuts against the rolling member 2033 to limit the sliding stroke of the slide rail assembly 203 .

Specifically, in this embodiment, the limit stopper 20313 is arranged on the lower surface of the guide edge 20311 .

As a preferred embodiment, the limit block 20313 is formed by bending a part of the material of the guide plate member 2031 . Specifically, a U-processed notch 20314 is processed on the guide plate 2031, and then the material in the processed notch 20314 is bent to form a limit block 20313; such a structure can reduce the use of materials and is conducive to the lightweight of products and low cost.

Furthermore, the limit block can abut against and be fixed with the guide edge 20311 , which can assist in improving the strength of the guide edge 20311 .

Referring to FIG. 1 , the leisure seat also includes a telescoping mechanism 4 arranged on the bracket 1 and used to drive the footrest assembly 2 to expand or contract inward relative to the bracket 1 .

Referring to FIG. 3 , in this embodiment, the telescoping mechanism 4 includes a pedal rotation drive assembly 401 and a follower linkage mechanism 402 , wherein the pedal rotation drive assembly 401 is arranged on the bracket 1 for driving the first support plate 201 relative to The bracket 1 is rotated to expand or store inward, and the follower link mechanism 402 connects the bracket 1, the first supporting plate 201 and the second supporting plate 202, and is used to drive the first supporting plate when the pedal rotation drive assembly 401 When the 201 rotates, the second supporting plate 202 is driven to slide relative to the first supporting plate 201 , so as to realize sliding outward to unfold or inward for storage.

Referring to Fig. 3 and Fig. 4, further, in this embodiment, the follow-up link mechanism 402 includes a first link 4021, a second link 4022, a conversion connector 4023 and a driving rod 4024, wherein the first link 4021 Hinged to the first supporting plate 201 , the first connecting rod 4021 is connected to the first supporting plate 201 through a pin 40211 , so as to realize the free rotation of the first connecting rod 4021 and the first supporting plate 201 .

Referring to Fig. 9, further, as a preferred embodiment, a hinged through hole 20111 is opened on the plate body 2011 of the first supporting plate 201, and the pin 40211 passes through the hinged through hole 20111 to connect the first connecting rod 4021 with the second A supporting plate 201 is connected to realize the hinge connection between the first connecting rod 4021 and the second supporting plate 202; adopting this structure setting reduces the trouble of setting rivet columns, facilitates processing and assembly, and has a simple structure, which is conducive to the realization of product Lightweight and low cost.

Referring to Fig. 3, in this embodiment, the second connecting rod 4022 is hinged to the second supporting plate 202, and the second connecting rod 4022 is also connected to the second supporting plate 202 through a pin 40211, so that the second connecting rod 4022 is opposite to each other. Rotate freely on the second support plate 202 .

More specifically, one end of the second connecting rod 4022 along the shaft direction is hinged to the second support plate 202 .

Referring to FIG. 3 , more specifically, the position where the first link 4021 is hinged to the first support plate 201 is located on one side of the center of the second link 4022 .

Referring to Fig. 3, the preferred implementation mode is that in this embodiment, the hinged position of the second connecting rod 4022 and the second support plate 202 is located between the end of the second connecting rod 4022 and the quarter point; by setting , under the premise that the first support plate 201 can move within the maximum range of movement, the size of the driving rod 4024 and the conversion connector 4023 can be reduced, and the swing angle of the driving rod 4024 can be reduced, which is conducive to realizing light weight .

Referring to FIG. 3 , the first connecting rod 4021 is hinged to the second connecting rod 4022 and the transition connector 4023 on both sides of the hinged position with the first support plate 201 .

Referring to FIG. 3 , more specifically, in this embodiment, the hinged position of the first connecting rod 4021 and the second connecting rod 4022 and the hinged position of the first connecting rod 4021 and the conversion connector 4023 are respectively located at the two ends of the first connecting rod 4021. end; this can make full use of the length of the shaft and reduce space occupation.

Referring to FIG. 4 and FIG. 5 , the driving rod 4024 is hinged to the bracket 1 and the conversion connector 4023 respectively.

More specifically, the hinged positions of the driving rod 4024 and the bracket 1, and the hinged positions of the driving rod 4024 and the conversion connector 4023 are respectively located at both ends of the driving rod 4024; and waste of material.

Referring to Fig. 3, Fig. 4 and Fig. 9, further, as a preferred implementation mode, in this embodiment, an avoidance notch 20112 is also provided on the plate body 2011, and the avoidance notch 20112 corresponds to the swing track of the driving rod 4024 and the second connecting rod The hinge position of 4022 and the second support plate 202 is set, so that the driving rod 4024 has a larger rotation stroke, which has a better effect of shrinking the pedal assembly 2, and avoids the impact caused by the plate body 2011 of the first support plate 201. Restrict or interfere with the formation of the driving rod 4024 to ensure the reliable expansion and contraction of the pedal assembly 2; and set the avoidance gap 20112 corresponding to the hinge position of the second connecting rod 4022 and the second supporting plate 202 to allow the second supporting plate 202 The overlapping area of the supporting plate 202 and the first supporting plate 201 is larger when contracted, which reduces the overall occupied area of the footrest assembly 2 after contraction, making the footrest assembly 2 compact in structure.

Referring to FIG. 4 , a buffer assembly 4025 is also provided at the hinged position of the drive rod 4024 and the bracket 1 , and the buffer assembly 4025 is used to buffer the swing of the drive rod 4024 on the foot pedal assembly 2 .

Referring to Fig. 4 and Fig. 12, further, as a preferred embodiment, in this embodiment, the buffer assembly 4025 includes a fixing part 40251 and a ball connecting part 40252, wherein the ball connecting part 40252 is connected or integrally formed with the fixing part 40251 to fix The part 40251 is connected with the bracket 1, and the driving rod 4024 is ball-hinged with the ball connecting part 40252.

Referring to Fig. 12, further, as a preferred embodiment, in this embodiment, the fixing part 40251 includes a screw part 402511 screwed to one end of the ball connecting part 40252, and the ball connecting part 40252 is provided with a threaded hole for connecting the screw part 402511 402521, the fixed part 40251 also includes a fixed connection part 402512 with a limit table 402513, the fixed connection part 402512 is located at the end of the screw top of the ball connection part 40252, and the fixed connection part 402512 and the bracket 1 are fixed by riveting or screwing, thereby driving the rod 4024 After being connected with the ball connection part 40252, it swings in the limiting space formed by the end of the screw part 402511 and the limiting platform 402513;

Referring to Fig. 4, further, as a preferred implementation mode, in this embodiment, the buffer assembly 4025 also includes an elastic member 40253, the elastic member 40253 is connected with the driving rod 4024, and drives the driving rod 4024 to abut against any end of the fixing part 40251 .

Further, one end of the elastic member 40253 is fixed relative to the fixing portion 40251 , and the other end is fixed or abutted against the driving rod 4024 .

Referring to Fig. 4, further, the elastic member 40253 is an elastic washer, the elastic washer has a through hole (not marked in the figure), the elastic washer is sleeved on the fixing part 40251 through the through hole, one side of the elastic washer is against the driving rod 4024, and the other The face is fixed relative to the drive rod 4024.

Referring to Fig. 4 and Fig. 8, more specifically, the bracket 1 is provided with a second fixed iron piece 10312. In this embodiment, the second fixed iron piece 10312 is arranged on the front beam 1031, and the fixed connection part 402512 and the second fixed iron piece One side of the elastic washer is in contact with the second fixed iron piece 10312, so that one side of the elastic washer is fixed relative to the fixed part 40251, and the other side of the elastic washer is in contact with the surface of the driving rod 4024, so that the driving rod 4024 deviates from One side surface of the elastic washer abuts against the end of the fixing part 40251 to reduce the collision damage between the driving rod 4024 relative to the fixing part 40251 caused by shaking.

In other possible implementation manners, the elastic member 40253 can also be a spring, one end of the spring is fixed to the second fixed iron piece 10312, and the other end is in contact with the surface of the driving rod 4024, which can also reduce the pressure of the driving rod 4024 relative to the fixed part. 40251 Shaking purpose.

Referring to FIG. 4 and FIG. 13 , further, the conversion connector 4023 includes two connecting ends 40231 arranged perpendicular to each other, one connecting end 40231 is hinged to the first connecting rod 4021 , and the other end is hinged to the driving rod 4024 .

Further, the conversion connecting piece 4023 is an L-shaped corner piece.

In other possible implementation manners, the conversion connector 4023 may also have a T-shaped cross section.

Referring to Figure 4 and Figure 7, further, as a preferred implementation, in this embodiment, the pedal rotation drive assembly 401 includes at least one drive plate 4011, at least one drive link 4012 and at least one drive member 4013, the drive plate 4011 One end is hinged on the bracket 1, the other end is hinged to the drive link 4012, the drive link 4012 is hinged to the first support plate 201, and the driver 4013 is used to drive the drive plate 4011 to rotate relative to the support 1, and then driven by the drive plate 4011 The first supporting plate 201 swings relative to the bracket 1 .

Referring to Fig. 5 and Fig. 8, further, the third fixed iron piece 10313 is fixed on the front beam 1031, and the driving plate 4011 is hinged to the third fixed iron piece 10313.

Referring to Figures 3 to 7, further, as a preferred embodiment, in this embodiment, the drive plates 4011 are set in pairs, the drive links 4012 are set in pairs corresponding to the drive plates 4011, and the paired drive plates 4011 pass through a drive shaft 4014 Fixed connection, the driving part 4013 is connected with the driving shaft 4014, so that a driving part 4013 can drive a pair of driving connecting rods 4012 to move synchronously through a driving shaft 4014, so as to simplify the structure, which is the purpose of light weight and low cost of the product .

Referring to Fig. 2, the driving link 4012 is also provided with a limit buffer pad 40121 that can be in contact with the first fixed iron piece 10311, through which the limit buffer pad 40121 limits the swing formation of the drive link 4012 and buffers the drive link. The abutting force between the rod 4012 and the first fixed iron piece 10311 prevents damage to both.

Referring to Fig. 3 and Fig. 4, further, as a preferred embodiment, in this embodiment, the driver 4013 includes a second telescopic cylinder 40131, one end of the second telescopic cylinder 40131 is hinged to the driving plate 4011, and the other end is hinged to the bracket 1 , so as to drive the driving plate 4011 to rotate relative to the bracket 1 .

Specifically, the bracket 1 also includes a connecting frame 10211 connected to the horizontal portion 1021, the connecting frame 10211 is hinged to one end of the second telescopic cylinder 40131, and the connecting frame 10211 is provided with a connecting hole for connecting the rotating shaft 1011 (not shown in the figure). ); thus, setting the connecting frame 10211 can reduce the difficulty of processing the bracket 1, and directly act on the rotating shaft 1011 by the force generated during the expansion and contraction of the second telescopic cylinder 40131.

The action process of the embodiment of the present invention is:

When the pedal rotation driving assembly 401 drives the first supporting plate 201 to rotate relative to the bracket 1, the driving rod 4024 drives the first connecting rod 4021 to rotate around the hinge position on the first supporting plate 201 through the conversion connection, thereby pulling the second connecting rod 4021 The rod 4022 makes the second support plate 202 move relative to the first support plate 201 to realize the extension or contraction of the pedal assembly 2. During the stretching or contraction process of the pedal assembly 2, the buffer assembly 4025 is set to drive the rod 4024 swings freely, and can also buffer its swing process, so that its drive is stable.

To sum up, the seat of the present invention simplifies the linkage mechanism, the pedal structure and the bracket structure, has good economy, and has the advantages of light weight and low cost.

The technical means disclosed in the solutions of the present invention are not limited to the technical means disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims

A leisure seat is characterized in that: comprising:

bracket (1);

The pedal assembly (2) includes a first supporting plate (201) and a second supporting plate (202), the first supporting plate (201) is hinged to the bracket (1), wherein the first supporting plate The supporting plate (201) includes a plate body (2011) and a side plate (2012) formed by integrally bending the plate body (2011), and the second supporting plate (202) and the side plate (2012) can slide relatively connect;

A telescopic mechanism (4), the telescopic mechanism (4) includes a follower link mechanism (402) and a pedal rotation drive assembly for driving the first support plate (201) to rotate relative to the bracket (1) (401), the follow-up link mechanism (402) is arranged between the first supporting plate (201) and the second supporting plate (202) to drive the second supporting plate (202) to slide.
The leisure seat according to claim 1, characterized in that: the side plate (2012) is also integrally formed with ears (2013) protruding from the end surface of the plate body (2011), and the ears (2013 ) is hinged with the support (1).
The leisure seat according to claim 1, characterized in that: the follow-up link mechanism (402) includes a first link (4021), a second link (4022), a conversion connector (4023) and a drive rod (4024), wherein the first connecting rod (4021) is hinged to the first supporting plate (201), and the second connecting rod (4022) is hinged to the second supporting plate (202) , the first connecting rod (4021) is located on both sides of the hinged position with the first supporting plate (201), and is respectively hinged with the second connecting rod (4022) and the conversion connector (4023), so The driving rod (4024) is respectively hinged with the bracket (1) and the conversion connector (4023);

A buffer assembly (4025) for buffering the swing of the driving rod (4024) is also provided at the hinge joint between the driving rod (4024) and the bracket (1).
The leisure seat according to claim 3, characterized in that: the buffer assembly (4025) includes a fixed part (40251) connected with the bracket (1) and a ball connection connected with the fixed part (40251) part (40252), the driving rod (4024) is ball-hinged with the ball connection part (40252).
The leisure seat according to claim 4, characterized in that: the buffer assembly (4025) also includes an elastic member (40253), the elastic member (40253) is connected with the driving rod (4024) and drives the The driving rod (4024) abuts against any end of the fixing part (40251).
The leisure seat according to claim 5, characterized in that: one end of the elastic member (40253) is fixed relative to the fixing part (40251), and the other end is fixed or abutted against the driving rod (4024).
The leisure seat according to claim 3, characterized in that: the conversion connector (4023) includes two connecting ends (40231) arranged perpendicular to each other, one of the connecting ends (40231) is connected to the first The connecting rod (4021) is hinged, and the other connecting end (40231) is hinged with the driving rod (4024).
The leisure seat according to claim 7, characterized in that: the conversion connecting piece (4023) is an L-shaped corner piece.
The leisure seat according to any one of claims 1-8, characterized in that: the pedal rotation drive assembly (401) includes at least one drive plate (4011), at least one drive link (4012) and at least one drive part (4013), one end of the drive plate (4011) is hinged on the bracket (1), the other end is hinged to the drive link (4012), and the drive link (4012) is connected to the first The supporting plate (201) is hinged, and the driving member (4013) is used to drive the driving plate (4011) to rotate relative to the bracket (1).
The leisure seat according to claim 9, characterized in that: the drive plates (4011) are set in pairs, the drive links (4012) are set in pairs corresponding to the drive plates (4011), and the drive plates (4011) in pairs are set in pairs. The drive plate (4011) is fixedly connected through a drive shaft (4014), and the drive member (4013) is connected to the drive shaft (4014).
The leisure seat according to claim 1, 2, 3, 4, 5, 6, 7, 8 or 10, characterized in that: the support (1) includes a bottom support frame (101), a top frame (103) And a connecting support (102), the top frame (103) is arranged above the bottom supporting frame (101); the connecting supporting member (102) connects the top frame (103) and the bottom supporting frame (101); where,

The top frame (103) includes at least one front beam (1031), at least one rear beam (1032), and a side beam (1033) connecting the front beam (1031) and the rear beam (1032), and the side beam (1033) is a rectangular structural beam;

The connection support (102) includes a horizontal part (1021) and a support arm (1022), the horizontal part (1021) is connected with the bottom support frame (101), and the support arm (1022) is arranged on the Both sides of the horizontal part (1021) are connected with the horizontal part (1021), and the support arm (1022) is fixed with the side beam (1033).
The leisure seat according to claim 11, characterized in that: the support arm (1022) is provided with a support connection plate (10221), and the support connection plate (10221) is connected to the surface of the side beam (1033) Attached and fixed.
The leisure seat according to claim 12, characterized in that: the support arm (1022) is connected to the horizontal portion (1021), so that the connecting support (102) is in a U-shape extending outward.
The leisure seat according to claim 1, 2, 3, 4, 5, 6, 7, 8, 10, 12 or 13, characterized in that: the first support plate (201) and the second The supporting plate (202) is connected by a slide rail assembly (203), wherein the slide rail assembly (203) includes a guide plate part (2031), a guide groove part (2032) and a rolling part (2033), and the guide plate part ( 2031) is provided with a guide edge (20311), the guide edge (20311) is provided with a first guide groove (20312), and the guide groove member (2032) is provided with a second guide groove (20322), The first guide groove (20312) and the second guide groove (20322) are combined to form a guide groove for the rolling element (2033) to roll.