CN213940221U

CN213940221U - Single chair function frame convenient to assembly

Info

Publication number: CN213940221U
Application number: CN202021213166.9U
Authority: CN
Inventors: 李云海; 姚有贵; 袁生科; 葛世宝; 余绍星; 白盛
Original assignee: Kuka Home Co Ltd
Current assignee: Kuka Home Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-08-13
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to the field of household seats, in particular to a single-chair functional frame convenient for assembly; including base, seat frame and back, characterized by: also includes a rotatable coupling assembly; the base, the seat frame and the backrest are detachably connected with the rotatable connecting assembly to form the single-chair iron frame; when realizing that the back topples backward and extremely limit position through rotatable coupling assembling, back and seat frame are located same horizontal plane. Each part of this single chair iron stand is through rotatable coupling assembling and the equipment shaping, more does benefit to assembly line batch production and assembly and but this single chair iron stand's back angle of regulation is bigger, eliminated with the seat frame between the slot, provide more comfortable back support when satisfying more leisure, amusement, the posture of lying flat.

Description

Single chair function frame convenient to assembly

Technical Field

The utility model relates to a house seat field specifically is a single chair function frame convenient to assembly.

Background

Single chair iron stands generally include a base, a seat frame, armrests, and a backrest. In the existing single chair iron frame structure, the seat frame and the backrest are often made into a conjoined structure through the base. Such a connection structure causes problems:

1. the mutual-correlation connected structure causes that the structure of the single chair iron frame is complex and each part between different parts can not be separated independently, so that the assembly difficulty of the single chair iron frame is increased along with the increase: the assembly points of all the parts are often hidden in leather sheaths or sponges, so that the assembly difficulty is high during batch production; the inability to disassemble the backrest alone results in increased packaging and transportation costs and complicated subsequent unpacking and installation processes or complex disassembly structures.

2. Because the assembly form of the iron frame is mainly of a connected structure, and each part lacks relative independence, the back-tilting angle range of the single chair iron frame is small, and a spacing groove is formed between the backrest and the seat frame, and the head, the shoulders and the waist of a user are easy to feel tired due to lack of support after the single chair iron frame is used for a long time.

Disclosure of Invention

The utility model aims to overcome the defects and provide a single chair iron frame which has less total number of components, is convenient for assembly and packaging and can still be completely disassembled after being used.

In order to achieve the above object, the present invention is realized as follows:

a single chair functional frame convenient for assembly comprises a base 1, a seat frame 2, a backrest 3 and a rotatable connecting assembly 4; the base 1, the seat frame 2 and the backrest 3 are detachably connected with the rotatable connecting assembly 4 to form the single-chair functional frame; wherein, the backrest 3 is inclined backwards by taking the bottom of the backrest 3 as a circle center or taking the rotating point of the backrest 3 as a circle center through the rotatable connecting assembly 4, and when the backrest 3 is inclined to the limit position, the backrest 3 and the seat frame 2 are positioned in the same horizontal plane.

The single chair functional rack convenient for assembly, the rotatable connecting assembly 4 comprises a horizontal base 41 used for bearing the seat frame 2 and connected with the base 1 and a vertical inserting part 42 rotatably connected with the horizontal base 41 and used for butting the backrest 3, wherein when the backrest 3 is in a vertical state, the vertical inserting part 42 is also in a vertical state.

In the single chair functional rack convenient to assemble, the vertical insertion part 42 comprises a first ear plate 421 used for being rotatably connected with the horizontal base 41 and an insertion plate 422 used for being connected with the backrest 3; wherein, when the backrest 3 is in the vertical state, the inserting plate 422 is also in the vertical state.

The single chair function rack convenient to assemble comprises a bearing part 411 used for being connected with the seat frame 2 and a butt-joint lug plate 412 arranged behind the bearing part 411, wherein the butt-joint lug plate 412 is used for being rotatably connected with the vertical insertion part 42.

The single chair function frame convenient to assemble comprises a stand column 101 connected with the rotatable connecting assembly 4 and a base body 102 arranged at the bottom of the stand column 101.

The single-chair functional frame convenient to assemble further comprises two pairs of armrests 5, the two pairs of armrests 5 are respectively located on two sides of the seat frame 2, and the armrests 5 are connected with the bottom of the seat frame 2.

In the single chair functional rack convenient to assemble, the bottom of the backrest 3 is provided with a socket structure 31 for realizing the plug-in connection with the vertical plug-in part 42.

The single chair function frame convenient to assemble further comprises a gas spring 6, two ends of the gas spring 6 are respectively connected with the horizontal base 41 and the vertical insertion part 42 in a rotating mode, and when the vertical insertion part 42 rotates, the gas spring 6 plays a damping or resetting driving role.

The single chair function rack convenient for assembly, the horizontal base 41 further comprises a connecting base 413 and a second ear plate 414 for connecting the seat frame 2, a connecting hole for connecting the base 1 is arranged on the connecting base 413 and the second ear plate 414, and the connecting hole is positioned on the outer side of the horizontal base 41.

The seat frame, the base and the backrest of the single chair iron frame provided by the utility model are independent single parts and are assembled into a whole body through the rotatable connecting mechanism. Therefore, the steps of mutually associated assembly are omitted in the processes of individual production and assembly of each component, so that the method has the following advantages:

1. each part of this single chair iron stand all is components of a whole that can function independently, and the split is a plurality of parts alone during production, and seat frame, base, rotatable coupling assembling's installation hole site all outwards exposes, and easily equipment has reduced the production equipment degree of difficulty. Meanwhile, the single-chair iron frame can be independently disassembled into independent parts, so that the purposes of quickly packaging and boxing, improving the space utilization rate and reducing the transportation times are better achieved in the packaging and transporting process.

2. The design has realized quick assembly disassembly's purpose for the inserted sheet structure of plug-in connection and correspondence between back and the rotatable coupling assembling, and then improves production efficiency and be convenient for subsequent installation at home, after-sale maintenance work. In particular, the vertical plug-in part of the rotatable connection element is designed to be in a vertical and upward state in a default state, so that the socket at the bottom of the backrest can be quickly aligned to the plug-in piece of the vertical plug-in part and plug-in connection of the plug-in piece and the vertical plug-in part can be realized.

3. The single chair iron frame provides a new turning point and a larger backrest tilting stroke between the backrest and the seat frame through the rotatable connecting assembly, so that the backrest of the single chair iron frame has a larger lying angle and a smaller gap between the backrest and the seat frame in a backrest tilting state; particularly, because the position of the pivot between the back of this single chair iron frame and the seat frame is higher to when the back hypsokinesis, the displacement distance of its bottom relative to the seat frame reduces, thereby has eliminated traditional slot phenomenon between this sofa iron frame's back and the seat frame, makes the back lie flat completely and forms a continuous incessant plane in the seat frame, provides better waist, back support for the user, and then promotes user's comfort level.

Drawings

Fig. 1 is a schematic structural view of the single chair iron frame.

Fig. 2 is a schematic view of a rotatable linkage assembly in a single chair iron frame.

Fig. 3 is a schematic view of a vertical plug in a rotatable connection assembly.

Fig. 4 is a schematic view of the rotatable connection assembly connected to the backrest.

Fig. 5 is a schematic view of the connection between the rotatable connecting assembly and the seat frame and the connection between the seat frame and the armrest.

Fig. 6 is a schematic view of the default state of the backrest when the single iron stand is in use.

Fig. 7 is a schematic view showing a tilting state of the backrest when the single iron stand is used.

Detailed Description

The invention is further illustrated by the following specific examples.

Example one

As shown in figure 1, the single chair functional frame convenient for assembly comprises a base 1, a seat frame 2, a backrest 3 and a rotatable connecting assembly 4; the base 1, the seat frame 2 and the backrest 3 are detachably connected with the rotatable connecting assembly 4 to form the single chair iron frame; wherein, the backrest 3 is inclined backwards by taking the bottom of the backrest 3 as a circle center or taking the rotating point of the backrest 3 as a circle center through the rotatable connecting assembly 4, and when the backrest 3 is inclined to the limit position, the backrest 3 and the seat frame 2 are positioned in the same horizontal plane.

Example two

The second embodiment is a further improvement over the first embodiment.

As shown in fig. 2, the rotatable connecting assembly 4 includes a horizontal base 41 for carrying the seat frame 2 and connected to the base 1, and a vertical inserting portion 42 rotatably connected to the horizontal base 41 and for abutting against the backrest 3, wherein when the backrest 3 is in the vertical state, the vertical inserting portion 42 is in the vertical state.

EXAMPLE III

The third embodiment is further optimized for the second embodiment.

As shown in fig. 2, in the easy-to-assemble single chair functional rack, the vertical insertion part 42 includes a first ear plate 421 for rotatably connecting with the horizontal base 41 and an insertion plate 422 for connecting with the backrest 3; wherein, when the backrest 3 is in the vertical state, the inserting plate 422 is also in the vertical state.

Example four

The fourth embodiment is based on the first to third embodiments and is further optimized for the backrest:

EXAMPLE five

The fifth embodiment is based on the further optimization of the first to fourth embodiments:

the single chair function rack convenient for assembly, the horizontal base 41 further comprises a connecting base 413 and a second ear plate 414 for connecting the seat frame 2, the connecting base 413 and the second ear plate 414 are provided with connecting holes for connecting the base, and the connecting holes are positioned on the outer side of the horizontal base 41.

As can be seen from the above embodiments, the single chair iron frame is designed to have the seat frame 2, the base 1, the backrest 3 and the armrests 5 as independent single parts, and the parts are assembled through the rotatable connecting mechanism 4 to form the iron frame. Therefore, the steps of mutual association assembly are omitted in the process of independent respective production and assembly among the components, and the following advantages are further brought:

1. as shown in fig. 1, 2, 4 and 5, each part of the single-chair iron frame is a split part, and is split into a plurality of independent parts during production, and the mounting hole sites of the seat frame 2, the base 1 and the rotatable connecting component 4 are exposed outwards, so that the single-chair iron frame is easy to assemble, and the difficulty in production and assembly is reduced. Meanwhile, the single-chair iron frame can be independently disassembled into independent parts, so that the purposes of quickly packaging and boxing, improving the space utilization rate and reducing the transportation times are better achieved in the packaging and transporting process.

2. As shown in fig. 4, the backrest 3 and the rotatable connecting component 4 are designed to be in plug-in connection and corresponding insert structures, so that the purpose of quick assembly and disassembly is achieved, the production efficiency is improved, and subsequent home installation and after-sale maintenance work is facilitated. In particular, the vertical plug-in part 422 of the rotatable connection element 4 is designed in the default state to be vertical and upward, so that the receptacle at the bottom of the backrest can be quickly aligned with the plug-in piece of the vertical plug-in part and a plug-in connection between the two can be realized.

3. As shown in fig. 6 and 7, the single chair iron stand provides a new turning point and a larger tilting stroke of the backrest 3 between the backrest 3 and the seat frame 2 through the rotatable connecting assembly, so that the backrest 3 of the single chair iron stand has a larger lying angle and the clearance between the backrest 3 and the seat frame 2 is smaller in a tilting state of the backrest 3; particularly, because the position of the turning point between the backrest 3 and the seat frame 2 of the single chair iron frame is higher, when the backrest 3 tilts backwards, the displacement distance of the bottom relative to the seat frame 2 is reduced, so that the traditional groove phenomenon is eliminated between the backrest and the seat frame of the sofa iron frame, the backrest is completely laid down to form a continuous and uninterrupted plane on the seat frame, better waist and back support is provided for a user, and the comfort level of the user is further improved.

Claims

1. The utility model provides a single chair function frame convenient to assembly, includes base (1), seat frame (2) and back (3), characterized by: also comprises a rotatable connecting component (4); the base (1), the seat frame (2) and the backrest (3) are detachably connected with the rotatable connecting component (4) to form the single-chair functional frame; wherein, the backrest (3) is backwards inclined by taking the bottom of the backrest as a circle center or the backrest (3) is backwards inclined by taking a rotating point of the connecting component (4) as a circle center through the rotatable connecting component (4), and when the backrest (3) is inclined to the limit position, the backrest (3) and the seat frame (2) are positioned in the same horizontal plane.

2. The easy-to-assemble single chair functional rack of claim 1, wherein: the rotatable connecting assembly (4) comprises a horizontal base (41) used for bearing the seat frame (2) and connected with the base (1) and a vertical inserting part (42) rotatably connected with the horizontal base (41) and used for butting the backrest (3), wherein when the backrest (3) is in a vertical state, the vertical inserting part (42) is also in a vertical state.

3. The easy-to-assemble single chair functional rack of claim 2, wherein: the vertical insertion part (42) comprises a first ear plate (421) used for being rotatably connected with the horizontal base (41) and an insertion plate (422) used for being connected with the backrest (3); wherein, when the backrest (3) is in a vertical state, the inserting plate (422) is also in a vertical state.

4. The easy-to-assemble single chair functional rack of claim 2, wherein: the horizontal base (41) comprises a bearing part (411) used for being connected with the seat frame (2) and a butt-joint lug plate (412) arranged behind the bearing part (411), and the butt-joint lug plate (412) is used for being rotatably connected with the vertical insertion part (42).

5. The easy-to-assemble single chair functional rack according to claim 1 or 2, wherein: the base (1) comprises a stand column (101) connected with the rotatable connecting assembly (4) and a base body (102) arranged at the bottom of the stand column (101).

6. The easy-to-assemble single chair functional rack according to claim 1 or 2, wherein: the seat frame is characterized by further comprising two pairs of handrails (5), wherein the two pairs of handrails (5) are respectively positioned on two sides of the seat frame (2), and the handrails (5) are connected with the bottom of the seat frame (2).

7. A single chair functional rack convenient to assemble as claimed in any one of claims 1 to 3, wherein: the bottom of the backrest (3) has a socket structure (31) for a plug connection with the vertical plug part (42).

8. The easy-to-assemble single-chair functional rack as claimed in any one of claims 1 to 4, wherein: the damping device is characterized by further comprising a gas spring (6), wherein two ends of the gas spring (6) are respectively in rotary connection with the horizontal base (41) and the vertical insertion part (42), and when the vertical insertion part (42) rotates, the gas spring (6) plays a driving role in damping or resetting.

9. A single chair functional rack convenient to assemble according to any one of claims 2 to 4, wherein: horizontal base (41) still includes connection base (413) and second otic placode (414) that are used for connecting pedestal frame (2), set up the connecting hole that is used for connecting base (1) on connection base (413) and second otic placode (414), the connecting hole is located the outside of horizontal base (41).