CN113509019A - Sofa production and assembly process - Google Patents
Sofa production and assembly process Download PDFInfo
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- CN113509019A CN113509019A CN202010276527.2A CN202010276527A CN113509019A CN 113509019 A CN113509019 A CN 113509019A CN 202010276527 A CN202010276527 A CN 202010276527A CN 113509019 A CN113509019 A CN 113509019A
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- 239000000758 substrate Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000000071 blow moulding Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 238000009776 industrial production Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000010923 batch production Methods 0.000 abstract description 3
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- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/02—Sofas, couches, settees, or the like, without movable parts
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a sofa production and assembly process, which comprises the steps of manufacturing a sofa seat frame, installing a cushion support structure on the sofa seat frame, manufacturing a rack, installing the sofa seat frame on the rack, assembling a cushion on the sofa seat frame, installing sofa armrests and a sofa backrest on the sofa seat frame, installing sofa foot pads on the rack and the like. The production and assembly process of the sofa breaks through the production and assembly concept of the traditional sofa, the sofa seat frame, the cushion, the sofa armrests, the sofa backrest and the sofa foot pads are all in modular design, and the assembly and connection among the sofa seat frame, the cushion, the sofa armrests, the sofa backrest and the sofa foot pads are realized through a simple connecting structure, so that the production and assembly efficiency of the sofa is greatly improved, the labor cost is reduced, and the production and assembly process is suitable for large-batch production line industrial production.
Description
Technical Field
The invention relates to the technical field of furniture, in particular to a sofa production and assembly process.
Background
In the traditional furniture market, the sofa is mostly manufactured by adopting a woodworking process flow, wood boards are cut and polished, then are connected and fixed by adopting a screw mode and the like, and then the wood board frame is wrapped by materials such as sponge, leather and the like. The woodworking process needs manual completion, automation is difficult to realize, and the manufacturing efficiency of the sofa is low.
In order to adapt to the global furniture market, the industrial chain of the sofa needs to be adjusted, and the production and assembly processes of the sofa need to be improved, so that the quality and the production cost of the sofa can be controlled, and the standardized and automatic production of the sofa can be realized.
Disclosure of Invention
In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present invention provides a sofa production and assembly process.
The technical scheme adopted by the invention for solving the problems is as follows:
a sofa production and assembly process comprises the following steps:
producing transverse beams and longitudinal beams according to defined dimensions and assembling them to constitute a sofa seat frame; the cross section of the longitudinal beam is L-shaped and comprises a vertical plate and a transverse plate;
a plurality of supporting elastic pieces are arranged between two beams of the sofa seat frame to form a cushion supporting structure;
producing the frame parts according to the limited size and finishing the assembly to obtain the frame;
connecting a transverse plate on the sofa seat frame with the rack to realize the connection of the sofa seat frame with the rack to obtain a sofa base assembly;
and finishing the production and assembly of the sofa according to the obtained sofa base component.
Therefore, the sofa production and assembly process breaks through the production and assembly concept of the traditional sofa, and the transverse plate on the sofa seat frame is directly connected with the rack, so that the sofa base assembly can be connected with the rack, the production and assembly efficiency of the sofa base assembly is improved, and the labor cost is reduced. In addition, the sofa seat frame can be fixed with the rack from top to bottom in a bolt connection mode, all operations are forward, and the sofa seat frame is suitable for large-batch assembly line industrial production.
Further, the step of "completing the production assembly of the sofa according to the obtained sofa base component" further comprises the following steps:
placing a cushion on a cushion support structure;
processing the sofa fabric into a set size, and arranging a zipper at the edge of the sofa fabric; wrapping one part of sofa fabric on the cushion, and arranging the other part of sofa fabric on the sofa seat frame; the sofa fabric on the cushion is connected with the sofa fabric on the sofa seat frame through mutually matched zippers, so that the production and assembly of the cushion are completed;
the sofa seat frame is provided with sofa armrests and a sofa backrest, and the frame is provided with sofa foot pads, so that the production and assembly of the sofa are completed.
From this, cushion, sofa handrail, sofa back and sofa heelpiece board all adopt the modularized design to realize its assembly connection with the sofa base subassembly through simple connection structure, improved sofa production and assembly efficiency greatly, reduced the cost of labor, be applicable to big batch assembly line industrial production.
Furthermore, the cross section of the cross beam in the step is in an inverted U shape and comprises two vertical edges and a transverse edge which is connected with the tops of the two vertical edges, and drag hooks which are used for being connected with the bearing elastic pieces are arranged on the cross beam in a matching mode.
Furthermore, the draw hook is formed by punching the transverse edge and the vertical edge to the outer side surface of the draw hook.
Furthermore, the machine frame in the step is two metal part supporting legs which are arranged oppositely, and the transverse plate on the sofa seat frame is connected with the supporting legs to obtain the sofa base assembly.
From this, the supporting leg of making with the metal material replaces current wooden frame structure, and simple structure not only just supports intensity higher, has improved sofa base subassembly's overall stability.
Further, the step of installing the sofa armrest on the sofa seat frame specifically comprises the following steps:
and producing a plurality of first handrail connecting pieces according to the limited size, wherein the first handrail connecting pieces are connecting plates, one side surfaces of the first handrail connecting pieces are connected with the vertical plates on the longitudinal beams, and the other side surfaces of the first handrail connecting pieces are connected with the sofa handrails.
Further, the step of mounting the sofa backrest on the sofa seat frame specifically comprises the following steps:
producing a plurality of backrest connecting pieces according to the limited size, wherein each backrest connecting piece comprises a first member and a second member, each first member comprises a first substrate, two guide rails symmetrically arranged on the first substrate and a limiting piece arranged on the first substrate and positioned above the two guide rails, and each limiting piece is provided with a clamping protrusion;
the second component comprises a second substrate, the second substrate is provided with an inserting part, and the inserting part is provided with a clamping hole matched with the clamping protrusion;
after the inserting part is matched with the two guide rails in a sliding and inserting mode, the clamping bulge is clamped in the clamping hole;
the second base plate is connected with a vertical plate on the longitudinal beam, and the first base plate is connected with the sofa backrest.
Further, the step of installing the sofa foot pads on the rack specifically comprises the following steps:
and producing a plurality of foot pad plate connecting pieces according to the limited size, wherein each foot pad plate connecting piece is a bent plate, one bent surface of each bent plate is connected with the supporting leg, and the other bent surface of each bent plate is connected with the sofa foot pad plate.
Further, the sofa armrest, the sofa backrest and the sofa foot pad plate in the step are integrally formed by adopting a blow molding process.
Therefore, the sofa armrest, the sofa backrest and the sofa foot pad plate which are manufactured by adopting the blow molding process not only ensure the required strength, but also reduce the weight and simultaneously improve the production efficiency.
In summary, the sofa production and assembly process provided by the invention has the following beneficial effects:
(1) the production and assembly process of the sofa breaks through the production and assembly concept of the traditional sofa, and the transverse plate on the sofa seat frame is directly connected with the frame, so that the connection between the transverse plate and the frame can be realized, the production and assembly efficiency of the sofa base assembly is improved, and the labor cost is reduced. In addition, the sofa seat frame can be fixed with the rack from top to bottom in a bolt connection mode, all operations are forward, and the sofa seat frame is suitable for large-batch assembly line industrial production.
(2) According to the sofa production and assembly process, the seat cushion, the sofa armrests, the sofa backrest and the sofa foot pads are in modular design, and the sofa base components are assembled and connected through the simple connecting structure, so that the sofa production and assembly efficiency is greatly improved, the labor cost is reduced, and the sofa production and assembly process is suitable for large-batch production line industrial production.
Drawings
FIG. 1 is a schematic structural view of a sofa frame according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the stringer shown in FIG. 1;
FIG. 3 is a schematic structural view of the beam of FIG. 1;
FIG. 4 is an exploded view of the sofa base assembly according to the embodiment of the invention;
FIG. 5 is a schematic view of the sofa base assembly according to the embodiment of the invention;
FIG. 6 is an exploded view of the sofa according to the embodiment of the present invention;
FIG. 7 is a schematic view of a backrest connector of a sofa according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of the limiting element in FIG. 7;
FIG. 9 is a schematic view of the sofa of the present invention with the sofa armrest, sofa backrest, and sofa footrest removed;
fig. 10 is a schematic structural view of a sofa according to an embodiment of the present invention.
Wherein the reference numerals have the following meanings:
1. a sofa seat frame; 11. a stringer; 111. a vertical plate; 112. a transverse plate; 113. folding edges; 114. chamfering; 115. a placement chamber; 12. a cross beam; 121. erecting edges; 122. transverse edges; 123. pulling a hook; 124. a screw hole; 125. a through hole; 13. supporting the elastic element; 14. a connecting member; 2. a frame; 21. supporting legs; 211. a bearing part; 222. a support portion; 5. a sofa armrest; 6. a sofa backrest; 7. a sofa footrest plate; 81. a backrest connector; 811. a first member; 8111. a first substrate; 8112. a guide rail; 8113. a limiting member; 81131. a bending section; 81132. clamping the bulges; 81133. unlocking the shifting piece; 812. a second member; 8121. a second substrate; 81211. an insertion portion; 812111, a clamping hole; 82. a footplate connecting member; 83. a handrail connecting member; 831. a first armrest connector; 832. a second armrest connector; 833. a third armrest connector.
Detailed Description
For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1-10, a sofa manufacturing and assembling process according to the present invention will now be described. The sofa production and assembly process comprises the following steps:
the cross beams 12 and the longitudinal beams 11 are produced according to defined dimensions and assembled to constitute the sofa seat frame 1; the cross section of the longitudinal beam 11 is in an L shape and comprises a vertical plate 111 and a transverse plate 112;
a plurality of supporting elastic pieces 13 are arranged between two cross beams 12 of the sofa seat frame 1 to form a cushion supporting structure;
producing the parts of the frame 2 according to the limited size and finishing the assembly to obtain the frame 2;
connecting the transverse plate 141 on the sofa seat frame 1 with the rack 2 to realize the connection of the sofa seat frame 1 with the rack 2, and obtaining a sofa base component;
and finishing the production and assembly of the sofa according to the obtained sofa base component.
Referring to fig. 1-3, the sofa seat frame 1 includes two longitudinal beams 11 and two cross beams 12, wherein the two longitudinal beams 11 and the two cross beams 12 are respectively disposed symmetrically and have their ends connected to each other to form a rectangular frame. Meanwhile, the two longitudinal beams 11 and the two cross beams 12 are universal parts which can be replaced mutually, so that the production efficiency of the component is improved.
Referring to fig. 2, the transverse plate 112 of the longitudinal beam 11 is parallel to the seating surface of the sofa seat frame 1, the vertical plate 111 is vertically connected with the transverse plate 112 to form a placing cavity 115, two ends of the transverse plate 112 in the length direction are bent towards the inner side of the placing cavity 115 to form a folded edge 113, an included angle between the folded edge 113 and the seating surface of the sofa seat frame 1 is 15-75 degrees, and a chamfer 114 is arranged on the folded edge 113. Thus, the cross plate 112 is formed into an arcuate shape, which enhances the bearing capacity of the side rails 11 and also provides a greater cushioning distance for the seating surface.
Referring to fig. 3, the cross-section of the cross beam 12 is substantially in an inverted U shape, and includes two vertical edges 121 and a horizontal edge 122 connecting the two vertical edges 121, the two vertical edges 121 have different heights so as to adapt to an included angle between the folded edge 113 and the seating surface of the sofa seat frame 1, the horizontal edge 122 is punched towards the outer side surface thereof to form four pull hooks 123 distributed at equal intervals, the horizontal edge 122 is symmetrically provided with a plurality of screw holes 124, and the vertical edges 121 are symmetrically provided with a plurality of through holes 125.
In this embodiment, the cross beams 12 are symmetrically disposed at two ends of the longitudinal beams 11 in the longitudinal direction and are located in the accommodating cavity 115 formed by the vertical plate 111 and the horizontal plate 112. Preferably, the cross beam 12 is arranged on the folded edge 113, the lower surface of the vertical edge 121 of the cross beam 12 is abutted against the folded edge 113 of the longitudinal beam 11, and the end surface of the cross beam 12 is attached to the vertical edge 111 of the longitudinal beam 11; it should be noted that the cross beam 12 and the longitudinal beam 11 may be welded or fixed by bolts.
Therefore, the sofa seat frame 1 in the embodiment improves the production efficiency of the component, reduces the manufacturing materials, reduces the production cost, simplifies the complicated assembly procedures and required parts and is easy to realize automation on the premise of ensuring certain supporting strength.
Referring to fig. 1 again, four supporting elastic members 13 are disposed between the two beams 12 of the sofa seat frame 1, the supporting elastic members 13 are serpentine springs, the serpentine springs are in an arch shape that is arched upward toward the seat surface of the sofa seat frame, and the four serpentine springs are configured into an arch-shaped arc-shaped seating surface with comfort. Thus, when the serpentine spring begins to be stressed, the serpentine spring begins to deform and elongate, the serpentine spring descends in an arc shape, but when the arc is close to the riding surface, the serpentine spring still has a room for further elongation.
Referring again to fig. 1, in this embodiment, the sofa frame further includes a connecting member 14 connecting the four serpentine springs, so that when the sofa is stressed unevenly, the compression limit is not easily reached at the stressed point, and a person does not feel a full seat when sitting.
Preferably, in this embodiment, the connecting member 14 is a rectangular frame formed by bending a round rod, so that the sofa is more uniformly stressed. It should be noted that the connecting member 14 is not limited to be bent to form a rectangular frame, and the connecting member 14 may also be a straight rod or a C-shaped rod.
Referring to fig. 4-5, the frame 2 in the step includes two symmetrically disposed supporting legs 21 made of metal material, and the supporting legs 21 include a supporting portion 211 and supporting portions 212 disposed at two sides of the supporting portion 211. Specifically, the support leg 21 has an inverted U-shape, the support portion 211 is a horizontal portion of the support leg 21 having an inverted U-shape, and the support portion 212 is a vertical portion of the support leg 21 having an inverted U-shape. In addition, the cross section of the support leg 21 is a rectangular square tube.
In this embodiment, the horizontal plate 112 of the longitudinal beam 11 of the sofa seat frame 1 is detachably connected to the upper surface of the support part 211 of the support leg 21. In this embodiment, the horizontal plate 112 and the upper surface of the supporting portion 211 are connected and fixed by bolts or screws.
Therefore, the transverse plate 112 on the sofa seat frame 1 is directly connected with the supporting legs 21, so that the connection between the transverse plate and the supporting legs can be realized, and the installation efficiency of the sofa base assembly is greatly improved. In addition, the sofa seat frame 1 can be fixed with the frame 2 from top to bottom in a bolt connection mode, all operations are forward, the sofa seat frame is suitable for production of a production line, and the production and assembly efficiency of the sofa is greatly improved. In addition, the supporting legs 21 made of metal materials replace the existing wood frame structure, so that the structure is simple, the supporting strength is higher, and the overall stability of the sofa base assembly is improved;
in addition, the step of "completing the production assembly of the sofa according to the obtained sofa base component" further comprises the following steps:
placing a cushion on a cushion support structure;
processing the sofa fabric into a set size, and arranging a zipper at the edge of the sofa fabric; wrapping one part of sofa fabric on the cushion, and arranging the other part of sofa fabric on the sofa seat frame 1; the sofa fabric on the cushion is connected with the sofa fabric on the sofa seat frame 1 through mutually matched zippers, so that the production and assembly of the cushion are completed;
the sofa seat frame 1 is provided with the sofa armrests 5 and the sofa backrest 6, and the frame 2 is provided with the sofa foot pads 7, so that the production and assembly of the sofa are completed.
Referring to fig. 6, 9 and 10, the step of "installing the sofa armrest 5 on the sofa seat frame 1" specifically includes the following steps:
a plurality of armrest connectors 83 are produced according to the limited size, and the sofa armrest 5 is detachably connected with the sofa seat frame 1 through the armrest connectors 83. The armrest coupling member 83 includes a first armrest coupling member 831, a second armrest coupling member 832, and a third armrest coupling member 833. In this embodiment, the first armrest connecting part 831 is a rhombic connecting plate, one side of which is connected to the side of the vertical plate 111 on the longitudinal beam 11 of the sofa seat frame 1, and the other side of which is connected to the side of the sofa armrest 5. The first handrail connecting member 831 is provided in plural and is uniformly arranged along the longitudinal direction of the longitudinal beam 11.
The second arm connecting member 832 is a bent strip plate, one bent surface of which is connected to the side surface of the sofa arm 5, and the other bent surface of which is connected to the upper surface of the transverse edge 122 of the beam 12 on the sofa seat frame 1 near the sofa backrest 6; preferably, the second handrail connecting member 832 is integrally formed by bending to facilitate the manufacturing and maintain the supporting strength of the second handrail connecting member 832.
The third arm connector 833 is also a bending plate, one bending surface of which is connected to the side of the sofa arm 5, and the other bending surface of which is connected to the upper surface of the horizontal edge 122 of the cross beam 12 on the sofa seat frame 1 near the sofa footrest 7. Preferably, the third handrail connecting member 833 is integrally bent to facilitate the manufacturing and maintain the third handrail connecting member 833 with a high supporting strength.
In addition, referring to fig. 6-9, the step of "installing the sofa backrest 6 on the sofa seat frame 1" specifically includes the following steps:
The second base plate 8121 is connected with the side surface of the vertical plate 111 on the longitudinal beam 11 on the sofa seat frame 1, and the first base plate 8111 is connected with the side surface of the sofa backrest 6.
Specifically, the first base plate 8111 is in a long plate shape, and the guide rail 8112 is a first bending structure formed by bending a side edge of the first base plate 8111 toward one surface of the first base plate 8111; the limiting member 8113 includes a bending portion 81131, a clamping protrusion 81132 connected to the bending portion 81131, and an unlocking tab 81133 connected to the clamping protrusion 81132; the clamping protrusion 81132 has a vertical surface and an inclined surface, the inclined surface can facilitate the sliding of the clamping protrusion 81132 into the clamping hole 812111, and the vertical surface can ensure that the clamping protrusion 81132 is not easy to separate from the clamping hole 812111. The unlocking pulling piece 81133 is an inclined block and is inclined towards the direction far away from the first base plate 8111, so that the user can conveniently perform pulling unlocking.
Therefore, the external force acts on the unlocking poking piece 81133 to separate the clamping protrusion 81132 from the clamping hole 812111, and the first member 811 is moved to separate the first member 811 from the second member 812, so that the sofa backrest 6 and the sofa seat frame 1 are detached.
In addition, referring to fig. 6, 9 and 10, the step of "mounting the sofa footrest 7 on the frame 3" includes the following steps:
several of the footplate connectors 82 are produced according to the limited size, and the footplate connector 82 is a bent plate of which one bent surface is connected to the side of the supporting portion 212 of the supporting leg 21 and the other bent surface is connected to the sofa footplate 7. Preferably, the footplate attachment members 82 are integrally formed by bending, in order to facilitate the manufacturing and maintain the strength of the footplate attachment members 82.
In the present embodiment, the sofa armrest 5, the sofa backrest 6 and the sofa footrest 7 are integrally formed by a blow molding process. Therefore, the sofa armrest 5, the sofa backrest 6 and the sofa foot cushion plate 7 which are manufactured by adopting the blow molding process not only ensure the required strength, but also reduce the weight and simultaneously improve the production efficiency.
In conclusion, the sofa production and assembly process breaks through the production and assembly concept of the traditional sofa, the sofa seat frame 1, the frame 2, the cushion, the sofa armrests 5, the sofa backrest 6 and the sofa foot pads 7 are all in modular design, the assembly connection among the sofa seat frame, the frame 2, the cushion, the sofa armrests 5, the sofa backrest 6 and the sofa foot pads 7 is realized through a simple connecting structure, the sofa production and assembly efficiency is greatly improved, the labor cost is reduced, and the sofa production and assembly process is suitable for large-batch production line industrial production.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (9)
1. A sofa production and assembly process is characterized by comprising the following steps:
producing transverse beams (12) and longitudinal beams (11) according to defined dimensions and assembling them to constitute a sofa seat frame (1); the cross section of the longitudinal beam (11) is L-shaped and comprises a vertical plate (111) and a transverse plate (112);
a plurality of supporting elastic pieces (13) are arranged between two cross beams (12) of the sofa seat frame (1) to form a cushion supporting structure;
producing the parts of the frame (2) according to the limited size and finishing the assembly to obtain the frame (2);
connecting a transverse plate (141) on the sofa seat frame (1) with the rack (2) to realize the connection of the sofa seat frame (1) with the rack (2) and obtain a sofa base component;
and finishing the production and assembly of the sofa according to the obtained sofa base component.
2. The process for manufacturing and assembling as claimed in claim 1, wherein the step of "finishing the manufacturing and assembling of the sofa according to the obtained sofa base assembly" further comprises the steps of:
placing a cushion on a cushion support structure;
processing the sofa fabric into a set size, and arranging a zipper at the edge of the sofa fabric; wrapping one part of sofa fabric on a cushion, and arranging the other part of the sofa fabric on a sofa seat frame (1); the sofa fabric on the cushion is connected with the sofa fabric on the sofa seat frame (1) through mutually matched zippers, so that the production and assembly of the cushion are completed;
the sofa seat frame (1) is provided with sofa armrests (5) and a sofa backrest (6), and the frame (2) is provided with a sofa foot pad (7), so that the production and assembly of the sofa are completed.
3. The production and assembly process according to claim 1, characterized in that the cross section of the cross beam (12) in step (a) is in the shape of an inverted U and comprises two vertical sides (121) and a transverse side (122) connecting the tops of the two vertical sides (121), and the cross beam (12) is provided with a pair of draw hooks (123) for connecting with the supporting elastic members (13).
4. The production and assembly process according to claim 3, wherein the draw hook (123) is stamped and formed from the transverse edge (122) and a vertical edge (121) to the outer side thereof.
5. The production and assembly process according to claim 1, wherein the frame (2) in the step is two metal support legs (21) arranged oppositely, and the transverse plate (112) on the sofa seat frame (1) is connected with the support legs (21) to obtain the sofa base assembly.
6. The production and assembly process according to claim 2, characterized in that the step of "mounting the sofa armrest (5) on the sofa seat frame (1)" comprises in particular the steps of:
a plurality of first handrail connecting pieces (831) are produced according to limited sizes, wherein the first handrail connecting pieces (831) are connecting plates, one side surfaces of the connecting plates are connected with vertical plates (121) on the longitudinal beams (11), and the other side surfaces of the connecting plates are connected with the sofa handrails (5).
7. The production and assembly process according to claim 2, characterized in that the step of "mounting the sofa backrest (6) on the sofa seat frame (1)" comprises in particular the steps of:
producing a plurality of backrest connectors (81) according to the limited size, wherein each backrest connector (81) comprises a first member (811) and a second member (812), each first member (811) comprises a first base plate (8111), two guide rails (8112) symmetrically arranged on the first base plate (8111) and a limiting part (8113) arranged on the first base plate (8111) and located above the two guide rails (8112), and each limiting part (8113) is provided with a clamping protrusion (81132);
the second component (812) comprises a second substrate (8121), the second substrate (8121) is provided with an insertion part (81211), and the insertion part (81211) is provided with a clamping position hole (812111) matched with the clamping protrusion (81132);
after the insertion part (81211) is in sliding, inserting and matching along the two guide rails (8112), the clamping protrusion (81132) is clamped in the clamping hole (812111);
the second base plate (8121) is connected with a vertical plate (111) on the longitudinal beam (11), and the first base plate (8111) is connected with the sofa backrest (6).
8. The production and assembly process according to claim 5, characterized in that the step of "mounting the sofa footrest (7) on the frame (2)" comprises in particular the steps of:
several footplate connectors (82) are produced according to defined dimensions, said footplate connectors (82) being a bent plate, one bent side of which is connected to the support leg (31) and the other bent side is connected to the sofa footplate (7).
9. The production and assembly process according to claim 2, wherein the sofa armrest (5), the sofa backrest (6) and the sofa footrest (7) in the step (a) are integrally formed by a blow molding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010276527.2A CN113509019A (en) | 2020-04-09 | 2020-04-09 | Sofa production and assembly process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010276527.2A CN113509019A (en) | 2020-04-09 | 2020-04-09 | Sofa production and assembly process |
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| CN113509019A true CN113509019A (en) | 2021-10-19 |
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| CN202010276527.2A Pending CN113509019A (en) | 2020-04-09 | 2020-04-09 | Sofa production and assembly process |
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Application publication date: 20211019 |