CN214631131U

CN214631131U - Chair with detachable seat

Info

Publication number: CN214631131U
Application number: CN202120037753.5U
Authority: CN
Inventors: 郑捷
Original assignee: UE Furniture Co Ltd
Current assignee: UE Furniture Co Ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-11-09
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a chair, which comprises a seat supporting piece, two side supporting pieces and a chair back component, wherein the two side supporting pieces are respectively arranged at the left side and the right side of the seat supporting piece; the chair back component comprises a back supporting piece for supporting the back of a human body and a waist supporting piece for supporting the waist of the human body, the back supporting piece and the waist supporting piece are separately arranged up and down and are clamped between the two side supporting pieces; the back support and the side support are fixedly connected, and the waist support and the side support are relatively fixed; compared with the prior art, the side supporting pieces are flatter, the packaging volume during transportation is reduced, and the transportation cost is saved; the space occupied by the back support and the waist support is small, and the height difference between the back support and the side support is small, so that the space distribution is facilitated; the height of the fixed connection point of the back support piece on the side support piece can determine the height of the upper end of the back support piece, so that the back support piece with the same size has different support heights and can be attached to the back and the head of a human body more.

Description

Chair with detachable seat

Technical Field

The utility model relates to the field of furniture, in particular to seat.

Background

Most of seats in the market occupy large space after being disassembled, and are not easy to package and transport, firstly, because a back support of a chair back connected with a chair seat or a chassis is wide and bent, the occupied space is difficult to control during packaging; secondly, because the single chair back is severely limited, if the chair back is designed to be higher, the area of a user which can be attached to the chair back is large, the comfort is good, but the size of the chair back is large, the occupied space is large, and the chair back is relatively wasted; if the chair back is designed to be short, the size of the chair back is small, the transportation is convenient, but the use comfort is reduced to some extent.

Chinese patent of CN201910737318.0 discloses a seat and a method for forming the seat, which comprises: a seat support for supporting a seated user; the armrest part is fixedly arranged at the side part of the seat supporting part and is provided with an armrest supporting part for supporting the arm of a human body and an armrest bracket for connecting the armrest supporting part with the seat supporting part; the back support is fixedly connected with the armrest part and is a part higher than the armrest support part; the back support piece is only fixedly connected with the back bracket; the upper end of the back support piece is fixedly connected with the back support, and the lower end of the back support piece forms a suspended waist support, so that the sitting experience is improved, and the waist is effectively and elastically supported.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a seat, a seat back assembly of which is separated into a back support and a lumbar support, which are connected to a seat support through side supports; during packaging and transportation, the waist support piece, the back support piece and the side support pieces can be separated, so that the packaging length is reduced; in terms of use, the back support is designed in a high-back form to improve the use comfort.

The technical scheme of the utility model is realized like this:

a seat, comprising:

a seat support configured to support a human body;

the chair back component comprises a back support piece for supporting the back of a human body and a waist support piece for supporting the waist of the human body, and the back support piece and the waist support piece are fixedly connected on the seat support piece through side support pieces;

the side supporting pieces are fixedly connected to the seat supporting piece, and the two side supporting pieces are respectively arranged at the left side and the right side of the seat supporting piece;

the back support and the waist support are separately arranged up and down, the back support is fixedly connected with the side supports, the waist support and the side supports are relatively fixed, and the back support and the waist support are both clamped between the two side supports.

The side supporting pieces are arranged on the left side and the right side of the seat supporting piece instead of the traditional back support frame arranged in the middle of the seat base, so that the side supporting pieces can be designed to be flatter, the packaging volume during transportation is reduced, and the transportation cost is saved; the back of the chair subassembly is divided into back support piece and waist support piece, and this makes when packing, and the space that back support piece and waist support piece occupy alone is little, more does benefit to the distribution space to, back support piece fixed connection point's height can decide the height of back support piece upper end on the side support piece, thereby makes the back support piece of the same size possess different support height, the human back of laminating, head more.

Preferably, the upper end of the back support is higher than the upper end of the side support. I.e. the side supports do not increase the cost of packaging and shipping due to their high height.

Preferably, after the back support and the waist support are respectively connected to the side supports, the distance between the upper end of the back support and the lower end of the side supports is 75cm-85 cm. Such a height is sufficient to support the back assembly to the head of most people, thereby promoting the overall comfort of the back assembly.

Preferably, the lower end of the side support is 7cm-10cm lower than the lower end of the waist support, and the height of the waist support is 20cm-25 cm. The design aims at enabling the lower end of the waist support part to be separated from the seat support part and suspended, so that certain elastic buffer is provided when the waist of a human body leans against the lower end of the waist support part, and the comfort is improved; secondly, the approximate range of the height of the back support piece is 40cm-58cm through calculation.

Preferably, the upper end of the back support is 30cm-40cm higher than the upper end of the side support. An approximate range of 35cm-55cm can be calculated for the height of the side support itself.

Preferably, the difference between the self-height of the back support and the self-height of the side supports is not more than 10 cm. The height difference between the back support and the side support is not large, so that the space utilization rate of the back support and the side support is higher during packaging and transportation.

Preferably, the difference between the self height of the back support and the self height of the waist support is 25mm-35 mm. This can make the side support after the waist support has been installed, still have sufficient length installation back support, and both connect the back stability better.

Preferably, the side support has an upper portion and a lower portion, the upper portion of the side support is fixedly connected to the lower portion of the back support, and the lower portion of the side support is fixed relative to the lumbar support.

Preferably, the waist support is fixedly connected with the side support through a screw.

Preferably, the waist support piece is of a frame structure and comprises vertical rods which are vertically arranged at the left side and the right side and connected with the lower parts of the side support pieces and an upper cross rod which is connected with the upper ends of the two vertical rods; the vertical rod is matched with the side supporting piece in a clamping way through a buckle; go up horizontal pole forward attenuate and form the spacing portion of shape of the inverted-convex word along the seat fore-and-aft direction, back support piece lower extreme correspond the shape of spacing portion and extend spacing platform downwards, spacing platform pastes to lean on in spacing portion and spacing to waist support piece after back support piece is fixed to side support piece upper portion. Need not screwed connection, the installation is swift, reduce the assemble duration, improve production efficiency, can reduce spare part cost again simultaneously.

Preferably, the back support comprises a main support frame of a frame structure and a head support disposed above the main support frame for supporting the head of a person. A sponge may be provided on the front side of the head support to promote comfort.

Preferably, the side supporting members are brackets, each of the side supporting members has at least one seat connecting member fixedly connected with the seat supporting member and at least one back connecting member for connecting the seat back assembly, the back supporting member is fixedly connected with the upper portion of the back connecting member, and the waist supporting member and the lower portion of the back connecting member are relatively fixed. The seat connecting piece of the side supporting piece is fixedly connected with the seat supporting piece, and the back connecting piece is connected with the chair back component, so that the chair back component is connected to the seat supporting piece.

Preferably, the seat connecting member is a rod member disposed substantially along the seat depth direction, the back connecting member is a rod member, and the seat connecting member and the back connecting member both constitute an L-shaped side support member. The rod piece is flatter than the traditional back support, is favorable to packing transportation.

Preferably, the side support is provided with an armrest, the armrest is configured to support an arm of a human body, and the armrest is rotatably connected to the outer side of the side support. The side supporting pieces can be also provided with armrests to improve the use comfort.

Preferably, the side support is an armrest, the armrest is provided with an armrest support part for placing an arm and an armrest mounting part for connecting the armrest support part, a vertical rod for connecting the chair back component extends upwards from the rear end of the armrest mounting part, and the vertical rod is provided with an extending part which is higher than the armrest support part upwards and a main body part which is positioned below the armrest support part; the back support piece is fixedly connected with the extension part, and the waist support piece is fixedly connected with the main body part. The armrest has the function of supporting the arms of a human body and also has the function of connecting the chair back component to the seat supporting piece, so that the traditional back support for connecting the chair back and the chair seat is omitted, the cost is saved, and the armrest is more favorable for packaging and transportation.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the utility model provides a seat compares prior art:

1. starting from the packaging and transportation of the seats: the side supporting pieces are arranged on the left side and the right side of the seat supporting piece instead of the traditional back support frame arranged in the middle of the seat base, so that the side supporting pieces can be designed to be flatter, the packaging volume during transportation is reduced, and the transportation cost is saved; the chair back assembly is divided into the back support and the waist support, so that the space occupied by the back support and the waist support is small when the chair back assembly is packaged, and the height difference between the back support and the side support is small, so that the space distribution is facilitated; the side supporting pieces can be provided with the handrails and can also be directly used as the handrails, so that redundant parts are omitted, the cost is reduced, and the packaging space is saved.

2. From the standpoint of comfort or functionality of the seat: the height of the fixed connection point of the back support piece on the side support piece can determine the height of the upper end of the back support piece, so that the back support pieces with the same size have different support heights and can be attached to the back and the head of a human body more; a sponge may be provided on the front side of the head support to promote comfort.

3. From the appearance of the seat: the side supporting pieces replace the traditional back support to connect the chair seat and the chair back, so that the shape of the chair is not single, the aesthetic feeling of the chair is improved, and people can see the chair bright.

Drawings

Fig. 1 is a schematic perspective view of a combination of a seat support member, side support members, and a backrest assembly according to embodiment 1 of the present invention;

FIG. 2 is a side view of the seat support, side support and back assembly combination of the present invention in example 1;

fig. 3 is a schematic perspective view of a waist support member according to embodiment 1 of the present invention;

fig. 4 is a side view of the side support member of the present invention in the embodiment 1;

fig. 5 is a rear view of the combination of the waist support and the side supports in embodiment 1 of the present invention;

fig. 6 is a side view of the side support member of the present invention in the embodiment 1;

fig. 7 is a schematic perspective view of a back support according to embodiment 1 of the present invention;

fig. 8 is a schematic perspective view of a combination of a seat support member, side support members and a backrest assembly according to embodiment 2 of the present invention;

FIG. 9 is a side view of the seat support, side supports and back assembly combination of the present invention in example 2;

fig. 10 is a schematic perspective view of a side support according to embodiment 2 of the present invention;

fig. 11 is a side view of the side support of the present invention in example 2.

The figures are numbered: a seat support 1; a side support 2; a seatback assembly 3; a back support 4; a lumbar support 5; a vertical rod 51; an upper cross bar 52; a stopper portion 52 a; a limiting table 40; a fastening hole 53; the bosses 53 a; an elastic piece 53 b; a plug-in post 20; a hook 21; a seat attachment 6; a back connector 7; a first threaded connection hole 8; a second threaded connection hole 9; a handrail 11; a main support frame 12; a head support 13; an armrest support 15; an armrest mounting portion 16; a vertical rod 17; an extension 18; a main body portion 19.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

example 1: as shown in fig. 1, the present invention provides a chair, which comprises a seat support 1, a side support 2 and a chair back component 3, wherein the chair back component 3 is connected with the seat support 1 through the side supports 2 arranged at both sides of the seat support 1 and is clamped between the side supports 2, specifically:

as shown in fig. 1 and 2, the seat support 1 is a conventional seat for supporting a human body, and two side supports 2 are respectively disposed at the left and right sides of the seat support 1; the chair back component 3 comprises a back support 4 for supporting the back of a human body and a waist support 5 for supporting the waist of the human body, the back support 4 and the waist support 5 are separately arranged up and down and are clamped between the two side supports 2; the back support 4 is fixedly connected with the side support 2, and the waist support 5 is relatively fixed with the side support 2.

Before describing the structure in the above paragraphs in detail, the idea of the present invention is explained: nowadays, people are pursuing more and more quality of life, including seats used, and the requirement on the comfort of the seats is higher and higher; in order to improve the overall comfort of the chair back, more and more manufacturers design the chair back into a high back form, so that the problem of increasing the packaging and transportation cost can be caused; we separate the back set 3 in the form of a highback into a back support 4 and a lumbar support 5 and connect to the seat support 1 through the side supports 2, thereby minimizing the packaging cost.

Meanwhile, the study and the matching of the sizes of the back support 4, the waist support 5 and the side support 2 and the position relationship among the three are key steps:

as shown in fig. 2, the three positions are as follows: the side support 2 has an upper portion and a lower portion, the upper portion of the side support 2 is fixedly connected to the lower portion of the back support 4, and the lower portion of the side support 2 is relatively fixed to the lumbar support 5. The size ratio of the three components is as follows: firstly, the upper end of the back support 4 must be higher than the upper end of the side support 2, after the back support 4 and the waist support 5 are respectively connected to the side support 2, the total height from the lower end of the side support 2 to the upper end of the back support 4 is 75cm-85cm, and the height is enough to support the head of most people by the chair back component 3, thereby improving the overall comfort of the chair back component 3; furthermore, the lower end of the side support piece 2 is 7cm-10cm lower than the lower end of the waist support piece 5, and the height of the waist support piece 5 is 20cm-25cm, so that the design aims to enable the lower end of the waist support piece 5 to leave the seat support piece 1 to be suspended, so that the waist of a human body leans against the lower end of the waist support piece 5 and has certain elastic buffer, and the comfort is improved; secondly, calculating to obtain the approximate range of the height of the back support piece 4 per se from 40cm to 58 cm; then, the upper end of the back support 4 is 30cm-40cm higher than the upper end of the side support 2, so that the approximate range of the height of the side support 2 is calculated to be 35cm-55 cm; meanwhile, considering the cost problem of packaging and transportation again, the difference between the height of the back support 4 and the height of the side support 2 is not more than 10cm, and the height of the back support 4 and the side support 2 is almost the same, so that the space utilization rate of the back support 4 and the side support 2 is higher during packaging and transportation; considering the connection stability of the back support 4, the difference between the height of the back support 4 and the height of the lumbar support 5 is 25mm-35mm, which enables the side support 2 to have a sufficient length to mount the back support 4 after the lumbar support 5 is mounted, and the stability of the two connected parts is good.

In the above paragraph, "self height" refers to the height of each component in the vertical direction when the seat is in normal use.

The lumbar support 5 can be fixedly connected with the side support 2 through screws, and the fixation of the lumbar support 5 can also be realized through the structural design, in this embodiment, the second scheme is adopted: as shown in fig. 1 and 3-5, the waist support 5 is a frame structure, and comprises vertical bars 51 vertically arranged at the left and right sides and connected with the lower parts of the side supports 2, and an upper cross bar 52 connecting the upper ends of the two vertical bars 51; the vertical rod 51 is matched with the side support 2 in a clamping way through a buckle; the upper cross bar 52 is thinned forwards along the front-back direction of the seat and forms a limiting part 52a in an inverted-convex shape, the lower end of the back support 4 extends downwards to form a limiting table 40 corresponding to the shape of the limiting part 52a, and the limiting table 40 is attached to the limiting part 52a and limits the waist support 5 after the back support 4 is fixed to the upper part of the side support 2, so that the waist support 5 and the side support 2 are kept relatively fixed; specifically, a hexagonal buckling hole 53 is formed in the middle of the vertical rod 51, a boss 53a and an elastic piece 53b are arranged on the inner wall of the buckling hole 53, and the boss 53a and the elastic piece 53b are arranged oppositely; a plug-in post 20 with a hook 21 is arranged at one side of the lower part of the side support 2 facing the waist support 5; when the inserting column 20 is inserted into the buckling hole 53, the elastic sheet 53b is elastically deformed and is abutted against one side of the inserting column 20 without the clamping hook, and the clamping hook 21 hooks the lug boss 53 a; the elastic piece 53b has a tendency to recover its deformation to generate a corresponding elastic force, which makes the hook 21 and the boss 53a firmly engaged, and makes the plug post 20 difficult to be removed from the fastening hole 53.

Further to the above paragraph: as shown in fig. 1, 2, 4-6, the side support member 2 is an L-shaped bracket, which includes a seat connecting member 6 fixedly connected to the seat support member 1, and a back connecting member 7 for connecting to the seat back assembly 3, the seat connecting member 6 is a rod member having a substantially trapezoidal cross section and disposed back and forth along the side surface of the seat support member 1, and is provided with first threaded connecting holes 8 at positions near the front and back ends thereof and is fixed to the side surface of the seat support member 1 by bolts; the back connecting piece 7 is a rod piece arranged at the rear end of the seat connecting piece 6, two second threaded connecting holes 9 for fixedly connecting the back supporting piece 4 are formed in the position close to the upper end of the back connecting piece, the lower end of the back supporting piece 4 is fixedly connected with the upper part of the back connecting piece 7, and most of the back supporting piece 4 exceeds the upper end of the back connecting piece 7; the lumbar support 5 remains fixed relative to the lower portion of the back connector 7 by the method described in the preceding paragraph.

Meanwhile, the seat connecting piece 6 is fixedly connected with the back connecting piece 7; or the two are rotatably connected, when the two are rotatably connected, the side support 2 can be integrally formed into a recliner.

Meanwhile, an armrest 11 is rotatably connected to the outer side of the back connecting piece 7 to improve the use comfort of the seat.

It is to be emphasized again that the seat support 1, the back support 4 and the lumbar support 5 are all sandwiched between the two side supports 2, which is different from the conventional seat in appearance, so that the seat is more recognizable; most of the back support piece 4 exceeds the upper end of the back connecting piece 7, so that the back of a human body even the head can be attached to the back support piece 4, and the comfort is improved; in the aspect of packaging and transportation, the side supporting pieces 2 are thin and flat, the back supporting pieces 4 and the waist supporting pieces 5 can be placed independently, the heights of the back supporting pieces 4 and the side supporting pieces 2 are close to each other, and the points are favorable for packaging and transportation.

As shown in fig. 1, 5 and 7, the back support 4 includes a main support frame 12 of a frame structure and a head support 13 disposed above the main support frame 12 for supporting the head of a human body, and a sponge may be disposed at the front side of the head support 13 for improving comfort.

Example 2: the difference of this embodiment from embodiment 1 exists only in the side support 2.

As shown in fig. 8 to 11, the side support 2 is a handrail, which is a substantially square frame, the side support 2 has a handrail support 15 for resting an arm and a handrail mounting portion 16 for connecting the seat support 1, the handrail support 15 is an L-shaped bar having a substantially rectangular cross section; the handrail mounting part 16 is a rod member with a roughly trapezoidal cross section, a first threaded connecting hole 8 is arranged at the position close to the front end and the rear end, and the front end of the handrail mounting part is fixedly connected with the lower end of the handrail supporting part 15; an upright post 17 extending upward from the rear end of the armrest mounting part 16 for connecting the seatback assembly 3, the other end of the armrest support member 15 being connected to the upright post 17, the upright post 17 having an extension part 18 extending upward above the armrest support member 15 and a main body part 19 located below the armrest support member 15; two second threaded connection holes 9 for fixedly connecting the back support member 4 are formed in the extension portion 18, the lower end of the back support member 4 is fixedly connected with the extension portion 18, and the height of the back support member 4 exceeding the extension portion 18 is far greater than the height of the extension portion 18; the lumbar support 5 remains fixed relative to the main body portion 19 in the manner described in example 1.

Claims

1. A seat, characterized by comprising:

a seat support configured to support a human body;

2. The seat according to claim 1, wherein: the upper end of the back support is higher than the upper ends of the side supports.

3. The seat according to claim 2, wherein: after the back support and the waist support are respectively connected to the side supports, the distance between the upper end of the back support and the lower end of the side support is 75cm-85 cm.

4. The seat according to claim 3, wherein: the lower end of the side supporting piece is 7cm-10cm lower than the lower end of the waist supporting piece, and the height of the waist supporting piece is 20cm-25 cm.

5. The seat according to claim 3, wherein: the upper end of the back support is 30cm-40cm higher than the upper ends of the side supports.

6. The seat according to claim 2, wherein: the difference between the self height of the back support and the self height of the side support is not more than 10 cm.

7. The seat according to claim 2, wherein: the difference between the height of the back support and the height of the waist support is 25mm-35 mm.

8. The seat according to claim 1, wherein: the side supporting piece is provided with an upper part and a lower part, the upper part of the side supporting piece is fixedly connected with the lower half part of the back supporting piece, and the lower part of the side supporting piece is relatively fixed with the waist supporting piece.

9. The seat according to claim 8, wherein: the waist support piece is fixedly connected with the side support piece through a screw.

10. The seat according to claim 8, wherein: the waist support is of a frame structure and comprises vertical rods which are vertically arranged on the left side and the right side and connected with the lower parts of the side supports and an upper cross rod which is connected with the upper ends of the two vertical rods; the vertical rod is matched with the side supporting piece in a clamping way through a buckle; go up horizontal pole forward attenuate and form the spacing portion of shape of the inverted-convex word along the seat fore-and-aft direction, back support piece lower extreme correspond the shape of spacing portion and extend spacing platform downwards, spacing platform pastes to lean on in spacing portion and spacing to waist support piece after back support piece is fixed to side support piece upper portion.

11. The seat according to claim 1, wherein: the back support member includes a main support frame of a frame structure and a head support member disposed above the main support frame for supporting a head of a human body.

12. The seat according to claim 1, wherein: the side supporting piece is a bracket and at least comprises a seat connecting piece fixedly connected with the seat supporting piece and at least one back connecting piece used for connecting the chair back component, the back supporting piece is fixedly connected with the upper part of the back connecting piece, and the waist supporting piece and the lower part of the back connecting piece are kept relatively fixed.

13. The seat according to claim 12, wherein: the seat connecting piece is a rod piece which is arranged along the depth direction of the seat approximately, the back connecting piece is a rod piece, and the seat connecting piece and the back connecting piece form an L-shaped side supporting piece.

14. The seat according to claim 1, wherein: the side supporting piece is provided with an armrest which is configured to support the arm of a human body, and the armrest is rotatably connected to the outer side of the side supporting piece.

15. The seat according to claim 1, wherein: the side supporting piece is an armrest which is provided with an armrest supporting piece for placing an arm and an armrest mounting part for connecting the seat supporting piece, the rear end of the armrest mounting part extends upwards to form a vertical rod for connecting the chair back component, and the vertical rod is provided with an extending part which is higher than the armrest supporting piece upwards and a main body part which is positioned below the armrest supporting piece; the back support piece is fixedly connected with the extension part, and the waist support piece is fixedly connected with the main body part.