Large-span telescopic pedal and multifunctional modular chair

Abstract

The utility model relates to a large-span telescopic pedal and a multifunctional modular chair. The pedal comprises a telescopic connecting rod and a pedal which are connected with each other, the telescopic connecting rod comprises a first-section connecting rod, a second-section connecting rod and a third-section connecting rod which are connected in sequence, one end of the first-section connecting rod extends into the pedal and is in sliding connection with the pedal, the first-section connecting rod can borrow the space of the pedal, a larger span can be achieved, the first-section connecting rod is in sliding connection with the second-section connecting rod, and the third-section connecting rod is in sliding connection with the second-section connecting rod. The second-section connecting rod is in sliding connection with a third-section connecting rod, and the third-section connecting rod is fixedly connected with the back surface of a base of the seat; the pedal comprises a soft package part and a plastic part, the plastic part is arranged on the plastic part, and the peripheral edge of the soft package part is embedded in a groove formed in the plastic part. Compared with the prior art, the pedal has the advantages of being large in span stroke, high in comfort level and simple in structure, due to the design of the rotating piece, when a foot is placed on the pedal, the pedal can incline by a certain angle under pressure, and comfort is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture, in particular to a large-span telescopic footrest and a multi-functional modular chair. Background Art

[0002] Most of the existing chairs do not have a footrest. Among the chairs with a footrest, the telescopic length of the footrest is short, and the structure of the pedal in the footrest is relatively complex. Generally, there are two plates under the foam and they are connected by screws. The structure of multiple components is relatively complex.

[0003] Patent CN201820320080.2 discloses a horizontally telescopic footrest cushion device and a lounge chair with the device. The horizontally telescopic footrest cushion device includes a cushion structure and a footrest structure. The cushion structure and the footrest structure are connected by a horizontally telescopic structure. The horizontally telescopic footrest cushion device is provided with a power structure for providing a power source for the horizontally telescopic structure. A horizontally telescopic footrest cushion device of the utility model can realize the horizontal extension and contraction of the footrest through the structure setting. Since the footrest mechanical device makes horizontal extension and contraction movements, the footrest occupies less space, which can provide a larger rest space for the legs when people are sitting, without the feeling of pressing against the legs, and makes the overall chair look more integrated, with breakthrough functional characteristics in terms of usability and aesthetics. However, the telescopic length of this patent is small, the structure is relatively complex, and it cannot rotate with a small arc following the foot. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the defects of the existing technology such as short telescopic length, relatively complex multi-component structure, and inability to rotate with a small arc in cooperation with the foot, and provide a large-span telescopic footrest with a large-span stroke, high comfort, simple structure, and the design of a rotating part, so that when the foot is placed on the pedal, the pedal can tilt at a certain angle under pressure, enhancing comfort.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] The utility model provides a large-span telescopic footrest, which is arranged on the back of the base of the chair. The footrest includes a telescopic connecting rod and a pedal which are connected to each other;

[0007] The telescopic connecting rod includes a first connecting rod, a second connecting rod, and a third connecting rod which are connected in sequence. One end of the first connecting rod extends into the pedal and is slidably connected to the pedal. The first connecting rod can utilize the space of the pedal to achieve a larger span. The first connecting rod is slidably connected to the second connecting rod, the second connecting rod is slidably connected to the third connecting rod, and the third connecting rod is fixedly connected to the back of the base of the chair;

[0008] The pedal includes a soft package and a plastic part. The soft package is disposed on the plastic part, and the periphery of the soft package is embedded in a groove provided on the plastic part.

[0009] Furthermore, the telescopic length of the telescopic connecting rod is 441 mm.

[0010] Furthermore, one end of the first connecting rod is slidably connected to the pedal through a connecting member. One end of the first connecting rod is slidably connected to the connecting member, the connecting member is fixedly connected to the pedal, a third sliding block is provided on the first connecting rod, a third sliding groove is provided on the connecting member, and one end of the first connecting rod and the connecting member are slidably connected through the third sliding block and the third sliding groove.

[0011] Furthermore, the pedal further includes a rotating member. A rotating shaft is provided in the middle of the rotating member, and the rotating shaft sequentially passes through the rotating member and the connecting member. When pressure is applied to the pedal by the leg, the pedal can rotate a small angle around the rotating shaft.

[0012] Furthermore, a first sliding block is provided at the other end of the first connecting rod, a first sliding groove is provided on the second connecting rod, and the first sliding block slides in the first sliding groove.

[0013] Furthermore, a second sliding block is provided on the second connecting rod, a second sliding groove is provided on the third connecting rod, and the second sliding block slides in the second sliding groove.

[0014] Furthermore, the soft package includes a fabric and a foam disposed under the fabric. The periphery of the foam is embedded in a groove provided on the plastic part.

[0015] Furthermore, the fabric of the soft package is a textile fabric or leather.

[0016] Furthermore, a bottom plate is further provided under the plastic part, and the bottom plate is fixedly connected to the plastic part by screws.

[0017] The present utility model further provides a multi-functional modular chair including a large-span telescopic footrest. The chair includes a backrest module, a headrest module, a base, an armrest module, a chair leg module, and a footrest module. The footrest module is disposed on the back of the base of the chair. One of a back tilt module, a synchronous tilt module, and a seat sliding module is further provided on the back of the base. The armrest module is detachably connected to the base.

[0018] Compared with the prior art, the present utility model has the following advantages:

[0019] (1) It has a large-span stroke and high comfort. With the design of the three-section telescopic rod, and at the same time, the connecting rod borrows the space in the pedal, which can further increase the span, so that the footrest can be retracted and hidden in the base of the chair or extended a long distance, and the telescopic stroke can reach 441 mm.

[0020] (2) Simple structure. The pedal fastening method is that the foam is directly snapped into the groove provided under the plastic part. Compared with the prior art where there are two plates under the foam and then screwed together, it has a simpler structure and saves costs at the same time.

[0021] (3) The design of the rotating part enables the pedal to tilt at a certain angle when the foot is placed on the pedal, enhancing comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Isometric view of the large-span retractable footrest;

[0023] Figure 2 Exploded view of the large-span retractable footrest;

[0024] Figure 3 Cross-sectional view of the large-span retractable footrest;

[0025] Figure 4 Cross-sectional view of the pedal;

[0026] Figure 5 Top view of the large-span retractable footrest when extended;

[0027] Figure 6 Cross-sectional view of the large-span retractable footrest when extended;

[0028] Figure 7 Top view of the large-span retractable footrest when retracted;

[0029] Figure 8 Side view of the large-span retractable footrest (the upper figure is when there is no rotation, and the lower figure is when rotated by a small angle).

[0030] Reference numerals: 1 - pedal; 2 - retractable connecting rod; 3 - rotating part; 4 - soft package; 5 - plastic part; 6 - groove; 7 - first section connecting rod; 8 - second section connecting rod; 9 - third section connecting rod; 10 - bottom plate; 11 - rotating shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Features such as component models, material names, connection structures, control methods, algorithms, etc. that are not clearly described in this technical solution are regarded as common technical features disclosed in the prior art.

[0032] Embodiment 1

[0033] This embodiment provides a large-span retractable footrest, which is provided on the back of the base of the chair, as Figure 1 shown. The footrest includes a retractable connecting rod 2 and a pedal 1 that are connected to each other;

[0034] As Figure 2, Figure 5 As shown in Figure 5 , the telescopic connecting rod 2 includes a first-section connecting rod 7, a second-section connecting rod 8, and a third-section connecting rod 9 that are connected in sequence. One end of the first-section connecting rod 7 extends into the pedal 1 and is slidably connected to the pedal 1. The first-section connecting rod 7 can utilize the space of the pedal 1 to achieve a greater span. The first-section connecting rod 7 is slidably connected to the second-section connecting rod 8, the second-section connecting rod 8 is slidably connected to the third-section connecting rod 9, and the third-section connecting rod 9 is fixedly connected to the back of the seat base.

[0035] As Figure 3 , Figure 4 As shown in Figure 3 and Figure 4 , the pedal 1 includes a soft package 4 and a plastic part 5. The soft package 4 is disposed on the plastic part 5. The periphery of the soft package 4 is embedded in a groove 6 provided on the plastic part 5 and is snap-fitted and fixed.

[0036] As Figure 6 , Figure 7 As shown in Figure 6 and Figure 7 , in a specific embodiment, the telescopic length of the telescopic connecting rod 2 is 441 mm.

[0037] In a specific embodiment, one end of the first-section connecting rod 7 is slidably connected to the pedal 1 through a connecting member. One end of the first-section connecting rod 7 is slidably connected to the connecting member, the connecting member is fixedly connected to the pedal 1. A third sliding block is provided on the first-section connecting rod 7, and a third sliding groove is provided on the connecting member. One end of the first-section connecting rod 7 and the connecting member are slidably connected through the third sliding block and the third sliding groove.

[0038] As Figure 8 As shown in Figure 8 , in a specific embodiment, the pedal 1 further includes a rotating member 3. A rotating shaft 11 is provided in the middle of the rotating member 3. The rotating shaft 11 sequentially passes through the rotating member 3 and the connecting member. When a leg applies pressure to the pedal 1, the pedal 1 can rotate a small angle around the rotating shaft 11.

[0039] In a specific embodiment, a first sliding block is provided at the other end of the first-section connecting rod 7, and a first sliding groove is provided on the second-section connecting rod 8. The first sliding block slides in the first sliding groove.

[0040] In a specific embodiment, a second sliding block is provided on the second-section connecting rod 8, and a second sliding groove is provided on the third-section connecting rod 9. The second sliding block slides in the second sliding groove.

[0041] In a specific embodiment, the soft package 4 includes a fabric and a foam disposed under the fabric. The periphery of the foam is embedded in a groove 6 provided on the plastic part 5.

[0042] In a specific embodiment, the fabric of the soft package 4 is a textile fabric or leather.

[0043] In a specific embodiment, a bottom plate 10 is further provided below the plastic part 5, and the bottom plate 10 is fixedly connected to the plastic part 5 by screws.

[0044] This embodiment also provides a multifunctional modular chair including a large-span retractable footrest. The chair includes a backrest module, a headrest module, a base, an armrest module, a chair leg module, and a footrest module. The footrest module is disposed on the back of the base of the chair, and one of a back tilt module, a synchronous tilt module, and a seat sliding module is further provided on the back of the base. The armrest module is detachably connected to the base.

[0045] Components not elaborated in this embodiment are all existing components that can be purchased from public channels.

[0046] The above description of the embodiments is for the convenience of those of ordinary skill in the art to understand and use the utility model. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative efforts. Therefore, the present utility model is not limited to the above embodiments, and all improvements and modifications made by those skilled in the art without departing from the scope of the present utility model according to the disclosure of the present utility model should be within the protection scope of the present utility model.

Claims

1. A large-span retractable footrest, characterized in that, It is provided on the back of the base of the chair. The footrest includes a telescopic connecting rod (2) and a pedal (1) which are connected to each other; The telescopic connecting rod (2) includes a first connecting rod (7), a second connecting rod (8), and a third connecting rod (9) which are connected in sequence. One end of the first connecting rod (7) extends into the interior of the pedal (1) and is slidably connected to the pedal (1). The first connecting rod (7) can utilize the space of the pedal (1) to achieve a greater span. The first connecting rod (7) is slidably connected to the second connecting rod (8), the second connecting rod (8) is slidably connected to the third connecting rod (9), and the third connecting rod (9) is fixedly connected to the back of the base of the seat; The pedal (1) includes a soft package (4) and a plastic part (5). The soft package (4) is provided on the plastic part (5), and the periphery of the soft package (4) is embedded in a groove (6) provided on the plastic part (5).

2. The telescopic footrest with a large span according to claim 1, characterized in that, The telescopic length of the telescopic connecting rod (2) is 441 mm.

3. A large-span telescopic footrest according to claim 1, characterized in that, One end of the first connecting rod (7) is slidably connected to the pedal (1) through a connecting piece. One end of the first connecting rod (7) is slidably connected to the connecting piece, the connecting piece is fixedly connected to the pedal (1), a third sliding block is provided on the first connecting rod (7), a third sliding groove is provided on the connecting piece, and one end of the first connecting rod (7) and the connecting piece are slidably connected through the third sliding block and the third sliding groove.

4. A large-span telescopic footrest according to claim 3, characterized in that, The pedal (1) further includes a rotating part (3). A rotating shaft (11) is provided in the middle of the rotating part (3). The rotating shaft (11) sequentially passes through the rotating part (3) and the connecting piece. When a leg applies pressure to the pedal (1), the pedal (1) can rotate a small angle around the rotating shaft (11).

5. A large-span telescopic footrest according to claim 1, characterized in that A first sliding block is provided at the other end of the first connecting rod (7), and a first sliding groove is provided on the second connecting rod (8). The first sliding block slides in the first sliding groove.

6. The telescopic footrest with a large span according to claim 1, characterized in that, A second sliding block is provided on the second connecting rod (8), and a second sliding groove is provided on the third connecting rod (9). The second sliding block slides in the second sliding groove.

7. A large-span telescopic footrest according to claim 1, characterized in that, The soft package (4) includes a fabric and a foam provided under the fabric. The periphery of the foam is embedded in a groove (6) provided on the plastic part (5).

8. A large-span telescopic footrest according to claim 7, characterized in that, The fabric of the soft package (4) is a textile fabric or leather.

9. A large-span telescopic footrest according to claim 1, characterized in that, A bottom plate (10) is further provided under the plastic part (5). The bottom plate (10) is fixedly connected to the plastic part (5) by screws.

10. A multi-functional modular chair, the chair comprising a backrest module, a headrest module, a base, an armrest module, a chair leg module, a footrest module, the footrest module being provided on the back surface of the base of the chair, and one of a back reclining module, a synchronous reclining module, and a seat sliding module being further provided on the back surface of the base, the armrest module being detachably connected to the base, characterized in that, It also includes a large-span telescopic footrest according to any one of claims 1-9.

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