CN214631137U - Chair back assembly and chair - Google Patents
Chair back assembly and chair Download PDFInfo
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- CN214631137U CN214631137U CN202120039769.XU CN202120039769U CN214631137U CN 214631137 U CN214631137 U CN 214631137U CN 202120039769 U CN202120039769 U CN 202120039769U CN 214631137 U CN214631137 U CN 214631137U
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Abstract
The utility model discloses a chair back component and a chair, wherein the chair back component comprises a back support piece for supporting the back and a waist support piece for supporting the waist, and the back support piece and the waist support piece are separately arranged from top to bottom; the lower end of the back support extends downwards to form a first step part, and the upper end of the waist support is correspondingly thinned to form a second step part; after the first step part and the second step part are closed, the back support piece and the waist support piece are detachably connected; the chair comprises seat supporting pieces, side supporting pieces and the chair back component, wherein the two side supporting pieces are respectively arranged at the left side and the right side of the seat supporting pieces; the back support and the waist support are clamped between the two side supports; compared with the prior art, the back support and the waist support occupy small space independently, and the height difference between the back support and the side support is small, so that the space distribution is facilitated; the joints of the back support piece and the waist support piece and the joints of the side support pieces and the chair back component are designed to enhance the integrity, so that the chair back component and the chair are more attractive.
Description
Technical Field
The utility model relates to the field of furniture, in particular to back of chair subassembly and 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.
There are also seats, the back of which is divided into at least two parts, facilitating packaging and transportation to some extent; but the whole chair back looks scattered without integrity, has poor integrity and is not beautiful.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a back of the chair subassembly, this back of the chair subassembly is convenient to be dismantled, alleviates packing cost of transportation, and an organic whole nature is strong simultaneously, and is more pleasing to the eye.
There is further provided a seat having a back assembly connected to a seat support by 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 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; the back support and the waist support are separately arranged up and down, the lower end of the back support extends downwards to form a first step part, and the upper end of the waist support is correspondingly thinned to form a second step part; after the first step part and the second step part are closed, the back support piece and the waist support piece are detachably connected. The chair back component is divided into the back support piece and the waist support piece, so that the space occupied by the back support piece and the waist support piece is small during packaging, the space distribution is more facilitated, and meanwhile, the integration of the chair back component is enhanced through the connection arrangement of the back support piece and the waist support piece, and the appearance is more attractive.
Preferably, the first step part is recessed upwards to form a slot, and the second step part is provided with an insertion block which is inserted and matched with the slot in an upward protruding mode; when the first step part is matched with the second step part, the insert block is inserted into the slot. Thus, the stability of the first step part and the second step part after involution can be improved.
Preferably, the back support member and the waist support member are both of a frame structure, and the back support member comprises a first upper cross bar positioned at the upper end of the back support member, a first lower cross bar positioned at the lower end of the back support member and two first vertical bars positioned at the left side and the right side of the back support member and connected with the first upper cross bar and the first lower cross bar; the waist supporting piece comprises a second upper cross bar positioned at the upper end of the waist supporting piece, a second lower cross bar positioned at the lower end of the waist supporting piece and two second vertical bars positioned at the left side and the right side of the waist supporting piece and connected with the second upper cross bar and the second lower cross bar; the transition plate extends downwards integrally from the rear part of the first lower cross rod, and the first step part comprises the first lower cross rod and the transition plate; the rear surface of the second upper cross rod is integrally thinned forwards to form an accommodating area, and the second step part comprises the second upper cross rod and the accommodating area; when the first step part is matched with the second step part, the first lower cross rod is jointed with the second upper cross rod, and the transition plate enters the accommodating area and fills the accommodating area. After the first lower cross rod and the second upper cross rod are attached, the transition plate enters the accommodating area and fills the accommodating area, the edge contour and the front and back surfaces of the chair back component are smoother and smoother, and the whole chair back component is more attractive.
Preferably, the back support member and the waist support member are both of a frame structure, and the back support member comprises a first upper cross bar positioned at the upper end of the back support member, a first lower cross bar positioned at the lower end of the back support member and two first vertical bars positioned at the left side and the right side of the back support member and connected with the first upper cross bar and the first lower cross bar; the waist supporting piece comprises a second upper cross bar positioned at the upper end of the waist supporting piece, a second lower cross bar positioned at the lower end of the waist supporting piece and two second vertical bars positioned at the left side and the right side of the waist supporting piece and connected with the second upper cross bar and the second lower cross bar; transition plates extend downwards from the left end and the right end of the rear part of the first lower cross rod, and the first step part comprises the first lower cross rod and the transition plates; the rear surfaces of the left side and the right side of the second upper cross rod are thinned forwards to form accommodating areas, and the second step part comprises a second upper cross rod and the accommodating areas; when the first step part is matched with the second step part, the first lower cross rod is jointed with the second upper cross rod, and the transition plate enters the accommodating area and fills the accommodating area.
A chair comprises a seat support, a side support and the chair back component, wherein the seat support is configured to support a human body; the side supporting pieces are fixedly connected to the seat supporting piece, and the two side supporting pieces are respectively arranged on the left side and the right side of the seat supporting piece; the back support and the waist support are connected with the seat support through the side supports, and the back support and the waist support are clamped between the two side supports. The side support sets up in the left and right sides of seat support and does not set up the intermediate position at the seat support like traditional back support, and this makes the side support design flatter, reduces the packing volume during the transportation, has practiced thrift the cost of transportation.
Preferably, the upper end of the back support is higher than the upper ends of the side supports; 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. The upper end of the back support piece is higher than the upper ends of the side support pieces, so that the chair back component can be attached to the back and the head of a human body more, and the use comfort of the chair is improved.
Preferably, the lower half parts of the left and right side surfaces of the back support are thinned towards the middle and form mounting areas for accommodating the upper parts of the side supports; after the side supporting piece is jointed with the back supporting piece, the upper part of the side supporting piece is filled with the mounting area. After the side support and the back support are assembled, the surface of the joint of the side support and the back support is continuous and smooth, and the side support and the back support are stronger in integrity and more attractive.
Preferably, a convex strip is arranged in the mounting area along the vertical direction, a groove is arranged at the corresponding position of the side supporting piece, and the side supporting piece and the back supporting piece are positioned through the convex strip and the groove when being aligned. The raised lines and the grooves are convenient for positioning the back support piece and the side support piece, and the installation of the whole chair is convenient.
Preferably, the left side and the right side of the lumbar support part are provided with polygonal inserting columns which are outwards protruded out of the left side surface and the right side surface of the lumbar support part, and the polygonal inserting columns are conical; one side of the side supporting piece facing the chair back component is provided with a column groove corresponding to the shape of the polygonal inserting column; when the waist support piece is matched with the side support piece, the polygonal inserting column is inserted into the column groove. The polygonal insertion post is inserted into the post groove so that the lumbar support and the side support can be kept relatively fixed, and the assembly steps are simplified.
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:
1. starting from the packaging and transportation of the seats: 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 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 side supporting pieces are the handrails, so that the packaging and transportation cost of the handrails is saved.
2. From the appearance of the seat: the joints of the back support piece and the waist support piece and the joints of the side support pieces and the chair back component are designed to enhance the integrity, so that the chair back component and the chair are more attractive; 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 chair back assembly according to an embodiment of the present invention;
fig. 2 is a side view of the combination of the back support and the lumbar support in an embodiment of the present invention;
fig. 3 is a schematic perspective view of a back support member according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a lumbar support according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a second embodiment of a chair back assembly according to the present invention;
fig. 6 is a schematic perspective view of a back support member according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of the seat according to the embodiment of the present invention;
fig. 8 is a schematic perspective view of a side support member according to an embodiment of the present invention;
fig. 9 is a side view of a side support in an embodiment of the invention;
fig. 10 is a front view of the combination of the back support, the lumbar support, and the side supports according to the embodiment of the present invention.
The figures are numbered: a seat support 1; a side support 2; a groove 21; a column groove 22; a seatback assembly 3; a back support 4; a first upper cross bar 41; a first lower cross bar 42; a first vertical bar 43; a transition plate 44; a slot 45; a mounting area 46; a convex strip 47; a lumbar support 5; a second upper cross bar 51; a second bottom rail 52; a second vertical bar 53; a housing area 54; an insert block 55; a polygonal insert post 56; an armrest support 15; an armrest mounting portion 16; a vertical rod 17; an extension 18; a main body portion 19; a first step portion 31; a second step portion 32; a connecting plate 33.
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:
as shown in fig. 1 and 2, the present invention provides a chair back assembly, which comprises a back support member 4 for supporting the back of a human body and a waist support member 5 for supporting the waist of a human body, wherein the back support member 3 comprises a first support member 4 and a second support member 5; the back support 4 and the waist support 5 are separately arranged up and down, the lower end of the back support 4 extends downwards to form a first step part 31, and the upper end of the waist support 5 is correspondingly thinned to form a second step part 32; after the first step part 31 and the second step part 32 are folded, the back support 4 and the waist support 5 are detachably connected; the arrangement of the waist and the back which are separated enables the chair back component 3 to be convenient for packaging and transportation, and the whole chair back component 3 can be made as long as possible, so that a user can enjoy the comfort of high back; furthermore, the first step portion 31 and the second step portion 32 are disposed at the connection position of the back support 4 and the waist support 5, which enhances the integrity of the backrest assembly 3 and is more beautiful.
Specifically, as shown in fig. 3 and 4, the back support 4 and the waist support 5 are both frame structures, and the back support 4 includes a first upper cross bar 41 at the upper end of the back support 4, a first lower cross bar 42 at the lower end of the back support 4, and two first vertical bars 43 located at the left and right sides of the back support 4 and connected to the first upper cross bar 41 and the first lower cross bar 42; the waist support part 5 comprises a second upper cross bar 51 positioned at the upper end of the waist support part 5, a second lower cross bar 52 positioned at the lower end of the waist support part 5 and two second vertical bars 53 positioned at the left and right sides of the waist support part 5 and connected with the second upper cross bar 51 and the second lower cross bar 52; a transition plate 44 extends downwards from the rear of the first lower cross bar 42, and the first step portion 31 comprises the first lower cross bar 42 and the transition plate 44; the rear surface of the second upper cross bar 51 is thinned forwards to form a containing area 54, and the second step part 32 comprises the second upper cross bar 51 and the containing area 54; as shown in fig. 1 and 5, when the first step portion 31 and the second step portion 32 are aligned, the first lower cross bar 42 and the second upper cross bar 51 are attached to each other, and the transition plate 44 enters the accommodating area 54 and fills the accommodating area 54.
The transition plate 44 may be integrally extended downward from the rear portion of the first lower cross bar 42, or may be partially extended downward from the rear portion of the first lower cross bar 42, for example, only the left and right ends of the rear portion of the first lower cross bar 42 are extended downward to form the transition plate 44, and the rear portion of the first lower cross bar 42 is extended downward to form the transition plate 44 at intervals in the left and right directions; the accommodating area 54 is always arranged corresponding to the transition plate 44, so that the transition part just fills the accommodating area 54, thereby further improving the integrity of the chair back component 3; in this embodiment, the rear portion of the first lower cross bar 42 is integrally extended downward to form a transition plate 44, and the thickness of the transition portion in the front-rear direction is smaller than that of the first lower cross bar 42.
As shown in fig. 4 and 6, the lower surface of the first lower cross bar 42 is recessed upwards to form two slots 45, and the two slots 45 are respectively located at the left and right ends of the first lower cross bar 42; the upper surface of the second upper cross bar 51 is provided with two inserting blocks 55 which are inserted and matched with the inserting slots 45 upwards, and the inserting blocks 55 are also arranged corresponding to the positions of the inserting slots 45; when the first step portion 31 is aligned with the second step portion 32, the insert 55 is inserted into the insertion groove 45 to improve the stability after alignment.
Further, a chair is provided, which comprises a seat support 1, side supports 2 and the backrest assembly 3, wherein the backrest assembly 3 is connected with the seat support 1 through the side supports 2 arranged at two sides of the seat support 1 and is clamped between the side supports 2, specifically:
as shown in fig. 7, the seat support 1 is a conventional seat for supporting a human body, and two side supports 2 are respectively disposed at left and right sides of the seat support 1; the back support 4 and the waist support 5 are arranged separately from each other 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; the backrest component 3 in the high back form is separated into the back support 4 and the waist support 5, and is connected to the seat support 1 through the side support 2, so that the packaging cost is reduced to the maximum extent, and meanwhile, the backrest component 3 is stronger in integrity and more attractive through arrangement of the back support 4 and the waist support 5.
The upper end of the back support member 4 is higher than the upper end of the side support member 2, the side support member 2 has an upper portion and a lower portion, the upper portion of the side support member 2 is fixedly connected with the lower portion of the back support member 4, and the lower portion of the side support member 2 is relatively fixed with the waist support member 5. Specifically, as shown in fig. 3 and 8 to 10, the lower half portions of the left and right side faces of the back support 4 are thinned toward the middle and form the mounting areas 46 for accommodating the upper portions of the side supports 2, i.e., the two first vertical bars 43 are thinned toward the lower half portions of the opposite side faces toward the middle and form the mounting areas 46 for accommodating the upper portions of the side supports 2; after the side support 2 is jointed with the back support 4, the upper part of the side support 2 is filled with the mounting area 46; a convex strip 47 is arranged in the mounting area 46 along the vertical direction, and the convex strip 47 is integrally formed with the first vertical rod 43 and is positioned on the side surface forming the mounting area 46; the corresponding position of the side support piece 2 is provided with a groove 21 which can be used for accommodating the convex strip 47, and when the side support piece 2 is involuted with the back support piece 4, the positioning is realized through the matching of the convex strip 47 and the groove 21, thereby facilitating the installation; the first vertical rod 43 is provided with a screw hole at the position of the convex strip 47, and the first vertical rod 43 is fixed with the side support 2 through screw connection.
As shown in fig. 4 and 8-10, the second vertical bar 53 of the lumbar support 5 is provided with polygonal insertion posts 56 protruding outward from the lateral surfaces of the lumbar support 5 towards the left and right sides, and the polygonal insertion posts 56 are tapered; one side of the side supporting piece 2 facing the chair back component 3 is provided with a column groove 22 corresponding to the shape of the polygonal inserting column 56; when the waist support 5 is matched with the side support 2, the polygonal inserting column 56 is inserted into the column groove 22.
As shown in fig. 8-10, the side support 2 is a handrail, which is a generally 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 mounting portion 16 is fixedly connected with the seat support 1 through a connecting plate 33; the front end of the handrail mounting part 16 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 threaded connection holes 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 through screws, 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 waist support 5 and the main body part 19 are relatively fixed.
Claims (10)
1. A chair back assembly, comprising: 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 support and the waist support are separately arranged up and down, the lower end of the back support extends downwards to form a first step part, and the upper end of the waist support is correspondingly thinned to form a second step part; after the first step part and the second step part are closed, the back support piece and the waist support piece are detachably connected.
2. The chair back assembly of claim 1, wherein: the first step part is upwards sunken to form a slot, and the second step part is upwards convexly provided with an insertion block which is in insertion fit with the slot; when the first step part is matched with the second step part, the insert block is inserted into the slot.
3. The chair back assembly of claim 1, wherein: the back support piece and the waist support piece are both of a frame structure, and the back support piece comprises a first upper cross rod positioned at the upper end of the back support piece, a first lower cross rod positioned at the lower end of the back support piece and two first vertical rods positioned at the left side and the right side of the back support piece and connected with the first upper cross rod and the first lower cross rod; the waist supporting piece comprises a second upper cross bar positioned at the upper end of the waist supporting piece, a second lower cross bar positioned at the lower end of the waist supporting piece and two second vertical bars positioned at the left side and the right side of the waist supporting piece and connected with the second upper cross bar and the second lower cross bar; the transition plate extends downwards integrally from the rear part of the first lower cross rod, and the first step part comprises the first lower cross rod and the transition plate; the rear surface of the second upper cross rod is integrally thinned forwards to form an accommodating area, and the second step part comprises the second upper cross rod and the accommodating area; when the first step part is matched with the second step part, the first lower cross rod is jointed with the second upper cross rod, and the transition plate enters the accommodating area and fills the accommodating area.
4. The chair back assembly of claim 1, wherein: the back support piece and the waist support piece are both of a frame structure, and the back support piece comprises a first upper cross rod positioned at the upper end of the back support piece, a first lower cross rod positioned at the lower end of the back support piece and two first vertical rods positioned at the left side and the right side of the back support piece and connected with the first upper cross rod and the first lower cross rod; the waist supporting piece comprises a second upper cross bar positioned at the upper end of the waist supporting piece, a second lower cross bar positioned at the lower end of the waist supporting piece and two second vertical bars positioned at the left side and the right side of the waist supporting piece and connected with the second upper cross bar and the second lower cross bar; transition plates extend downwards from the left end and the right end of the rear part of the first lower cross rod, and the first step part comprises the first lower cross rod and the transition plates; the rear surfaces of the left side and the right side of the second upper cross rod are thinned forwards to form accommodating areas, and the second step part comprises a second upper cross rod and the accommodating areas; when the first step part is matched with the second step part, the first lower cross rod is jointed with the second upper cross rod, and the transition plate enters the accommodating area and fills the accommodating area.
5. A seat, characterized by: comprising a seat support configured to support a person, side supports, and a chair back assembly according to any of claims 1-4; the side supporting pieces are fixedly connected to the seat supporting piece, and the two side supporting pieces are respectively arranged on the left side and the right side of the seat supporting piece; the back support and the waist support are connected with the seat support through the side supports, and the back support and the waist support are clamped between the two side supports.
6. The seat according to claim 5, wherein: the upper end of the back support is higher than the upper ends of the side supports; 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.
7. The seat according to claim 6, wherein: the lower half parts of the left and right side surfaces of the back support are thinned towards the middle part to form an installation area for accommodating the upper parts of the side supports; after the side supporting piece is jointed with the back supporting piece, the upper part of the side supporting piece is filled with the mounting area.
8. The seat according to claim 7, wherein: the installation area is internally provided with a convex strip along the vertical direction, the corresponding position of the side supporting piece is provided with a groove, and the side supporting piece is positioned with the groove through the convex strip when being aligned with the back supporting piece.
9. The seat according to claim 5, wherein: polygonal inserting columns which protrude outwards from the left side surface and the right side surface of the lumbar support piece are arranged on the left side and the right side of the lumbar support piece, and the polygonal inserting columns are conical; one side of the side supporting piece facing the chair back component is provided with a column groove corresponding to the shape of the polygonal inserting column; when the waist support piece is matched with the side support piece, the polygonal inserting column is inserted into the column groove.
10. The seat according to claim 5, 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.
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CN202120039769.XU CN214631137U (en) | 2021-01-07 | 2021-01-07 | Chair back assembly and chair |
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CN202120039769.XU CN214631137U (en) | 2021-01-07 | 2021-01-07 | Chair back assembly and chair |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114886259A (en) * | 2022-05-10 | 2022-08-12 | 浙江昊国家具有限公司 | Chair with detachable seat |
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2021
- 2021-01-07 CN CN202120039769.XU patent/CN214631137U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114886259A (en) * | 2022-05-10 | 2022-08-12 | 浙江昊国家具有限公司 | Chair with detachable seat |
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