CN113616023A - Sofa supports chassis - Google Patents

Sofa supports chassis Download PDF

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Publication number
CN113616023A
CN113616023A CN202010372686.2A CN202010372686A CN113616023A CN 113616023 A CN113616023 A CN 113616023A CN 202010372686 A CN202010372686 A CN 202010372686A CN 113616023 A CN113616023 A CN 113616023A
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CN
China
Prior art keywords
module
hole
spare
side module
support chassis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010372686.2A
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Chinese (zh)
Inventor
李晓鸿
陈伟明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Remacro Machinery and Technology Wujiang Co Ltd
Original Assignee
Remacro Machinery and Technology Wujiang Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Remacro Machinery and Technology Wujiang Co Ltd filed Critical Remacro Machinery and Technology Wujiang Co Ltd
Priority to CN202010372686.2A priority Critical patent/CN113616023A/en
Priority to PCT/CN2020/122029 priority patent/WO2021223371A1/en
Publication of CN113616023A publication Critical patent/CN113616023A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C17/00Sofas; Couches; Beds
    • A47C17/86Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C23/00Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
    • A47C23/26Frames therefor; Connecting the springs to the frame

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The invention relates to a sofa supporting underframe, which comprises a front module part, a rear module part and two side module parts which are correspondingly arranged, wherein the front module part and the rear module part are respectively connected between the two side module parts; preceding module spare, back module spare and two side module spares all adopt the blow molding to make, just preceding module spare is equipped with the reinforcing the first enhancement portion of preceding module spare bearing capacity, back module spare is equipped with the reinforcing the second enhancement portion of back module spare bearing capacity, side module spare is equipped with the reinforcing the third enhancement portion of side module spare bearing capacity. The sofa support underframe provided by the invention is manufactured by adopting a blow molding process, and has the advantages of low weight, high production speed and less required manufacturing raw materials; through set up the rib on each module spare, further save material reduces back weight, improves intensity.

Description

Sofa supports chassis
Technical Field
The invention relates to the technical field of sofas, in particular to a sofa supporting underframe.
Background
Generally, a sofa is provided with a sofa support chassis so that a person seated on the sofa can sit on the sofa support chassis, so the sofa support chassis needs to be able to provide sufficient support force to support the person. In order to enable the sofa supporting underframe to provide enough supporting force, in the prior art, the sofa supporting underframe is mostly a solid sofa supporting underframe adopting a wood structure or an iron frame, so that the sofa supporting underframe is made of more materials, heavy in weight and inconvenient to move; and the installation and manufacturing time is long, and the cost is high.
Disclosure of Invention
To overcome at least one of the above-mentioned deficiencies of the prior art, the present invention provides a sofa support chassis.
The technical scheme adopted by the invention for solving the problems is as follows:
a sofa supporting underframe comprises a front module part, a rear module part and two side module parts which are correspondingly arranged, wherein the front module part and the rear module part are respectively connected between the two side module parts;
preceding module spare, back module spare and two side module spares all adopt the blow molding to make, just preceding module spare is equipped with the reinforcing the first enhancement portion of preceding module spare bearing capacity, back module spare is equipped with the reinforcing the second enhancement portion of back module spare bearing capacity, side module spare is equipped with the reinforcing the third enhancement portion of side module spare bearing capacity.
The sofa supporting underframe provided by the invention is manufactured by adopting a blow molding process, so that the interiors of the front module part, the rear module part and the two side module parts which form the main bearing structure are respectively provided with a cavity, and further, compared with the traditional solid sofa supporting underframe, the sofa supporting underframe has the advantages of low weight, high production speed and less required manufacturing raw materials; on the other hand, the strength of each module piece is enhanced by the reinforcing parts, so that each module piece is not easy to deform when being pressed by an external object, and the reinforcing parts further save materials, reduce the weight of the sofa support chassis and improve the strength under the condition of ensuring that each module piece has enough supporting force.
Further, first rib is a plurality of by the inside sunken first shrinkage pool in preceding module spare surface, second rib is a plurality of by the inside sunken second shrinkage pool in back module spare surface, third rib be a plurality of by the inside sunken third shrinkage pool in side module spare surface.
Furthermore, the cross sections of the first concave hole, the second concave hole and the third concave hole are gradually reduced from outside to inside.
Furthermore, a first mounting seat used for bearing and mounting the front module piece is arranged on the side module piece, and a first mounting groove matched with the first mounting seat is formed in the front module piece.
Furthermore, the inside of side module spare is provided with the first recess that is used for connecting front module spare, front module spare's both ends are provided with and are used for inserting the first boss of locating in the first recess.
Further, be provided with first through-hole on the first recess, the outside of side module corresponds the position of first through-hole is inwards sunken to be formed with the reinforcing third recess of first through-hole joint strength, be provided with first pre-buried nut on the first boss, the bolt passes first through-hole and with first pre-buried nut looks threaded connection.
Furthermore, a second mounting groove used for mounting the rear module piece is formed in the side module piece, and second mounting seats matched with the second mounting groove are arranged at two ends of the rear module piece.
Furthermore, a third through hole is formed in the second mounting groove, a fourth groove for enhancing the connection strength of the third through hole is formed in the position, corresponding to the third through hole, of the side module, a fifth embedded nut is arranged on the second mounting seat, and a bolt penetrates through the third through hole and is in threaded connection with the fifth embedded nut.
Furthermore, the outer sides of the two side module pieces are provided with armrest connecting pieces used for connecting the sofa armrests.
Furthermore, the seat bag frame is arranged on the two side module pieces.
Furthermore, the upper end of the side module is provided with a cross bar inserted into the seat covering frame, and the cross bar and the side module are integrally formed.
Furthermore, a fourth through hole and a fifth groove which is formed in the position, corresponding to the fourth through hole, of the side module piece in an inwards recessed mode and used for enhancing the connection strength of the fourth through hole are formed in the side module piece, a connecting plate is arranged below the seat covering frame, and a bolt penetrates through the fourth through hole and is connected with the connecting plate.
Furthermore, the backrest connecting piece is arranged at one end, close to the rear module piece, of the side module piece.
Furthermore, a fourth mounting groove used for positioning and mounting the backrest connecting piece is formed in the side module piece, and the surface of the side module piece is inwards sunken to form the fourth mounting groove.
The front foot baffle is arranged between the two side module pieces and positioned on the outer side of the front module piece.
Further, be provided with the arch on the side module spare, be provided with the draw-in groove in the arch, the front foot baffle has and holds bellied installation cavity, be provided with in the installation cavity with draw-in groove looks buckle complex fixture block.
Compared with the prior art, the invention has the following advantages:
the sofa supporting underframe is manufactured by adopting a blow molding process, so that the interiors of the front module part, the rear module part and the two side module parts which form the main bearing structure are respectively provided with a cavity, and further, compared with the traditional solid sofa supporting underframe, the sofa supporting underframe has the advantages of low weight, high production speed and less required manufacturing raw materials; on the other hand, the strength of each module piece is enhanced by the reinforcing parts, so that each module piece is not easy to deform when being pressed by an external object, and the reinforcing parts further save materials, reduce the weight of the sofa support chassis and improve the strength under the condition of ensuring that each module piece has enough supporting force.
Drawings
FIG. 1 is a schematic view of a sofa support chassis according to the present invention;
FIG. 2 is a schematic view of the sofa support chassis of FIG. 1 from another perspective;
FIG. 3 is an exploded view of the sofa support chassis shown in FIG. 1;
FIGS. 4 and 5 are schematic structural views of the front module member shown in FIG. 1;
FIG. 6 is a schematic structural view of the rear modular member shown in FIG. 1;
FIG. 7 is a cross-sectional structural view of the rear modular member shown in FIG. 6;
fig. 8 and 9 are schematic structural views of the side module shown in fig. 1;
figure 10 is a schematic view of the forefoot baffle of figure 1.
Wherein the reference numerals are:
a front modular member 1; a first recess 101; a first mounting groove 102; a first boss 103; a second boss 104; a coupling lug 105; a second through hole 106; a first embedded nut 107; a third embedded nut 108; a rear modular member 2; a second recess 201; a second mount 202; a fifth embedded nut 203; a side module 3; a third recess 301; supporting legs 302; a first mount 303; a first groove 304; a second groove 305; a first via 306; a third groove 307; a second embedded nut 308; a fourth embedded nut 309; a second mounting groove 310; a third through hole 311; a fourth groove 312; a cross bar 313; a third mounting groove 314; a fourth through-hole 315; a fifth recess 316; a fourth mounting groove 317; a sixth pre-embedded nut 318; a protrusion 319; a card slot 320; a seat bag frame 4; a connection plate 401; a backrest connecting member 5; a forefoot baffle 6; a mounting cavity 601; a fixture block 602; an armrest connection 7.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, outer and inner … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1 to 6, the invention discloses a sofa supporting underframe, which comprises a front module 1, a rear module 2, two side modules 3 arranged correspondingly, a seat covering frame 4, a backrest connecting piece 5 and a front foot baffle 6, wherein the front module 1 and the rear module 2 are respectively connected between the two side modules 3, the seat covering frame 4 is arranged on the two side modules 3, the backrest connecting piece 5 is arranged at one end of the side module 3 close to the rear module 2, the front foot baffle 6 is arranged between the two side modules 3, the front foot baffle 6 is arranged at the outer side of the front module 1, and the outer sides of the two side modules 3 are respectively provided with a handrail connecting piece 7 for connecting with a sofa handrail.
Specifically, two ends of the front module part 1 are detachably connected with the front ends of the two side module parts 3 respectively, and two ends of the rear module part 2 are detachably connected with the rear ends of the two side module parts 3 respectively, so that a rectangular supporting underframe is formed; the front supporting leg 302 and the rear supporting leg 302 are arranged on the side module 3, so that the side module 3 is supported on the ground to play a main bearing role, and the front module 1 and the rear module 2 are connected between the side module 3 in a hanging manner.
In the invention, the front module part 1, the rear module part 2 and the two side module parts 3 are all made by blow molding, the front module part 1 is provided with a first reinforcing part for enhancing the bearing capacity of the front module part 1, the rear module part 2 is provided with a second reinforcing part for enhancing the bearing capacity of the rear module part 2, and the side module parts 3 are provided with a third reinforcing part for enhancing the bearing capacity of the side module parts 3.
Because the sofa supporting underframe is manufactured by adopting a blow molding process, the front module part 1, the rear module part 2 and the two side module parts 3 which form the main bearing structure are internally provided with cavities, and further compared with the traditional solid sofa supporting underframe, the sofa supporting underframe has the advantages of low weight, high production speed and less required manufacturing raw materials; on the other hand, in order to guarantee that this sofa supports chassis can provide sufficient holding power for the sofa, be equipped with first rib, second rib and third rib on front module spare 1, back module spare 2 and the both sides module spare 3 respectively, utilize the intensity of rib reinforcing each module spare, make each module spare when receiving the external object and lean on the pressure, be difficult to the deformation, and the rib is guaranteeing that each module spare has under the circumstances of sufficient holding power, further save material, reduce sofa support chassis weight, improve intensity.
In this embodiment, first reinforcing portion be a plurality of by the inside sunken first shrinkage pool 101 in preceding modular 1 surface, the second reinforcing portion be a plurality of by the inside sunken second shrinkage pool 201 in back modular 2 surface, the third reinforcing portion be a plurality of by the inside sunken third shrinkage pool 301 in side modular 3 surface.
Preferably, the cross sections of the first recess hole 101, the second recess hole 201, and the third recess hole 301 are gradually reduced from outside to inside. Therefore, the concave hole is utilized to form a spiral body in the cavity of the module piece, and the spiral body can further enhance the hardness of the module piece; and when the module piece receives the extrusion of external object, the bottom of spirochaeta can prevent module piece further deformation, for example when the lateral surface of module piece receives the extrusion of object, lateral surface can warp to the medial surface direction of module piece, and in the deformation process, lateral surface contact spirochaeta's bottom, and then warp and meet the obstacle to prevent module piece further deformation.
Specifically, three first concave holes 101 are arranged side by side, and are approximately horizontally arranged from the middle position of the front module piece 1 to two sides, so as to provide enough supporting force for the front module piece 1; three second concave holes 201 are arranged side by side, and are approximately arranged from the middle position of the rear module piece 2 to two sides in a horizontal direction, so that enough supporting force is provided for the rear module piece 2; third shrinkage pool 301 is provided with two rows about, and it has threely to go up the third shrinkage pool 301, and it has four to go down the third shrinkage pool 301, and wherein the three third shrinkage pool 301 of going up sets up the upper end of side form module 3, in order to strengthen side form module 3 supports the holding power of seat package frame 4, four third shrinkage pools 301 of lower row set up the lower extreme of side form module 3, in order to strengthen the whole holding power of side form module 3.
In this embodiment, the cross-sections of the first concave hole 101, the second concave hole 201, and the third concave hole 301 may be in the shapes of a circle, an ellipse, a rectangle, a diamond, and the like, but the invention is not limited in this respect.
In this embodiment, the side module 3 is provided with a first mounting seat 303 for supporting and mounting the front module 1, and the front module 1 is provided with a first mounting groove 102 matched with the first mounting seat 303. Specifically, the first mounting seat 303 is substantially L-shaped and is formed by protruding the inner side of the side module 3, the first mounting groove 102 is formed by recessing one side surface of the front module 1, and the shape of the first mounting groove 102 is matched with the shape of the first mounting seat 303, so that the first mounting seat 303 is supported below the front module 1. Therefore, the bearing force borne by the front module piece 1 is transmitted to the two side module pieces 3 through the matching of the first mounting seat 303 and the first mounting groove 102.
In this embodiment, the inner side of the side module 3 is provided with a first groove 304 for connecting the front module 1, and the two ends of the front module 1 are provided with first bosses 103 for inserting into the first groove 304. Specifically, the first groove 304 is located above the supporting leg 302 at the front end of the side module 3, so that the supporting leg 302 is used to reinforce the supporting force of the first groove 304.
Thereby, the first boss 103 is in plug-in fit with the first groove 304 to complete the positioning of the front module 1 on the side module 3; and the first groove 304 is formed by inward depression of the surface of the side module 3, so that the first groove 304 has the effect of enhancing the bearing capacity of the side module 3.
Preferably, a second groove 305 is further disposed between the first groove 304 and the first mounting seat 303, and second bosses 104 for being inserted into the second groove 305 are disposed at two ends of the front module member 1.
In this embodiment, the front module member 1 and the side module member 3 are also fixedly connected by bolts. The method comprises the following specific steps:
first through holes 306 are formed in the first grooves 304, third grooves 307 for enhancing the connection strength of the first through holes 306 are formed in the positions, corresponding to the first through holes 306, of the outer sides of the side module pieces 3 in an inwards recessed mode, first embedded nuts 107 are arranged on the first bosses 103, and bolts penetrate through the first through holes 306 and are in threaded connection with the first embedded nuts 107;
second embedded nuts 308 are arranged at the upper ends of the first mounting seats 303, connecting lugs 105 are arranged on the front module part 1, second through holes 106 are formed in the connecting lugs 105, and bolts penetrate through the second through holes 106 from top to bottom and are in threaded connection with the second embedded nuts 308;
third, a third embedded nut 108 is arranged below the front end of the front module part 1, a fourth embedded nut 309 is arranged below the first mounting seat 303, and the two bolts respectively penetrate through a connecting piece and are in threaded connection with the third embedded nut 108 and the fourth embedded nut 309.
The three screwing modes can be used independently and can be combined freely, so that the detachable connection between the front module piece 1 and the side module piece 3 is completed.
In this embodiment, a second mounting groove 310 for mounting the rear module 2 is formed on the side module 3, and second mounting seats 202 matched with the second mounting groove 310 are formed at two ends of the rear module 2. The second mounting groove 310 is provided with a third through hole 311, the side module 3 corresponds to the position of the third through hole 311 is inwards recessed to form a fourth groove 312 for enhancing the connection strength of the third through hole 311, the second mounting seat 202 is provided with a fifth embedded nut 203, and a bolt penetrates through the third through hole 311 and is in threaded connection with the fifth embedded nut 203. In this connection manner, preferably, the bottom wall of the fourth groove 312 abuts against the side wall of the second mounting groove 310, so that when the bolt passes through the third through hole 311 and is in threaded connection with the fifth embedded nut 203, the side module 3 is not deformed by the locking force of the bolt, thereby further enhancing the bearing capacity of the side module 3.
Specifically, the second mounting groove 310 is formed by recessing the rear side of the side module 3 inward and opening to the inner side of the side module 3, and the second mounting seat 202 is formed by protruding the rear module 2 outward, so that the second mounting grooves 310 on the two side modules 3 are clamped at the outer sides of the two second mounting seats 202 of the rear module 2; the third through holes 311 are arranged in an up-and-down manner, and a plurality of bolts respectively penetrate through the third through holes 311 and are in threaded connection with the fifth embedded nuts 203, so that the detachable connection between the rear module part 2 and the side module part 3 is realized.
In this embodiment, a lateral bar 313 inserted into the seat cover frame 4 is provided at an upper end of the side mold block 3, and the lateral bar 313 is integrally formed with the side mold block 3. Preferably, seat package frame 4 includes the crossbeam of two relative settings, the longeron and the serpentine spring of two relative settings, two the crossbeam is with two longeron interconnect constitutes frame construction, serpentine spring's both ends are connected respectively in two on the longeron, wherein, crossbeam and longeron all adopt the channel-section steel preparation to form, consequently, horizontal bar 313 can insert to be located seat package frame 4 two the inslot of crossbeam is in order to accomplish seat package frame 4 is in location on the side form piece 3.
In this embodiment, in order to realize seat package frame 4 is in detachable fixed connection on the side module 3, be provided with fourth through-hole 315 and corresponding on the side module 3 the position of fourth through-hole 315 is inwards sunken to be formed with the reinforcing fifth recess 316 of fourth through-hole 315 joint strength, the below of seat package frame 4 is provided with connecting plate 401, and the bolt passes fourth through-hole 315 and with connecting plate 401 is connected. Specifically, the number of the connecting plates 401 is four, the four connecting plates 401 are correspondingly arranged below two cross beams of the connecting plates 401, the inner sides of the side module pieces 3 are inwards recessed to form third mounting grooves 314 for accommodating the connecting plates 401, and the fourth through holes 315 are located in the third mounting grooves 314.
In this embodiment, a fourth mounting groove 317 for positioning and mounting the backrest connector 5 is formed in the side module 3, and the fourth mounting groove 317 is formed by inwardly recessing the surface of the side module 3. Therefore, the backrest connecting piece 5 is installed through the fourth installation groove 317, the positioning is accurate, and the installation is convenient.
In order to realize backrest 5 with side module 3's detachable connection, be provided with three sixth pre-buried nut 318 on the fourth mounting groove 317, the bolt passes backrest 5 and with sixth pre-buried nut 318 looks spiro union is in order to accomplish backrest 5 is in installation on the side module 3.
In this embodiment, in order to realize detachable connection between the front foot baffle 6 and the side module 3, a protrusion 319 is provided on the side module 3, a clamping groove 320 is provided on the protrusion 319, the front foot baffle 6 has an installation cavity 601 for accommodating the protrusion 319, and a clamping block 602 which is in clamping fit with the clamping groove 320 is provided in the installation cavity 601. Specifically, two protrusions 319 are provided, the two protrusions 319 are vertically arranged at the front end of the first mounting seat 303, the left side and the right side of each protrusion 319 are respectively provided with one clamping groove 320, four mounting cavities 601 are provided on the front foot baffle 6 corresponding to the protrusions 319, and two clamping blocks 602 corresponding to the clamping grooves 320 are provided in each mounting cavity 601. Therefore, the clamping groove 320 and the clamping block 602 are in clamping fit to realize detachable connection between the front foot baffle 6 and the side module 3. This connection facilitates the removal of the front foot flap 6.
In conclusion, the sofa support underframe of the invention is manufactured by adopting a blow molding process, so that the front module part 1, the rear module part 2 and the two side module parts 3 which form the main bearing structure are internally provided with cavities, and further compared with the traditional solid sofa support underframe, the sofa support underframe has the advantages of low weight, high production speed and less required manufacturing raw materials; on the other hand, the strength of each module piece is enhanced by the reinforcing part, so that each module piece is not easy to deform when being pressed by an external object, and the reinforcing part further saves materials, reduces the weight of the sofa supporting underframe and improves the strength under the condition of ensuring that each module piece has enough supporting force; the sofa support chassis is divided into a plurality of modules with simple structure and simple quantity, and the front module 1, the rear module 2, the two-phase side module 3, the seat bag frame 4, the backrest connecting piece 5 and the front foot baffle 6 which are correspondingly arranged are detachably connected, so that the assembly process is greatly simplified, and the sofa support chassis is convenient for storage, storage and transportation.
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 (16)

1. The utility model provides a sofa supports chassis which characterized in that: the front module part and the rear module part are respectively connected between the two side module parts;
preceding module spare, back module spare and two side module spares all adopt the blow molding to make, just preceding module spare is equipped with the reinforcing the first enhancement portion of preceding module spare bearing capacity, back module spare is equipped with the reinforcing the second enhancement portion of back module spare bearing capacity, side module spare is equipped with the reinforcing the third enhancement portion of side module spare bearing capacity.
2. The sofa support chassis of claim 1, wherein: first rib is a plurality of by the inside sunken first shrinkage pool in preceding module spare surface, second rib is a plurality of by the inside sunken second shrinkage pool in back module spare surface, third rib be a plurality of by the inside sunken third shrinkage pool in side module spare surface.
3. The sofa support chassis of claim 2, wherein: the cross sections of the first concave hole, the second concave hole and the third concave hole are gradually reduced from outside to inside.
4. The sofa support chassis of claim 1, wherein: the side module piece is provided with a first mounting seat for bearing and mounting the front module piece, and the front module piece is provided with a first mounting groove matched with the first mounting seat.
5. The sofa support chassis of claim 1, wherein: the inner side of the side module piece is provided with a first groove used for being connected with the front module piece, and two ends of the front module piece are provided with first bosses used for being inserted into the first groove.
6. The sofa support chassis of claim 5, wherein: be provided with first through-hole on the first recess, the outside of side form module corresponds the position of first through-hole is inwards sunken to be formed with the reinforcing first through-hole joint strength's third recess, be provided with first embedded nut on the first boss, the bolt passes first through-hole and with first embedded nut looks threaded connection.
7. The sofa support chassis of claim 1, wherein: and a second mounting groove for mounting the rear module is formed in the side module, and second mounting seats matched with the second mounting groove are arranged at two ends of the rear module.
8. The sofa support chassis of claim 7, wherein: the second mounting groove is provided with a third through hole, the position of the side module corresponding to the third through hole is inwards sunken to form a fourth groove for enhancing the connection strength of the third through hole, a fifth embedded nut is arranged on the second mounting seat, and a bolt penetrates through the third through hole and is in threaded connection with the fifth embedded nut.
9. The sofa support chassis of claim 1, wherein: and the outer sides of the side module parts are provided with armrest connecting parts for connecting sofa armrests.
10. The sofa support chassis of claim 1, wherein: the seat bag frame is arranged on the two side module pieces.
11. The sofa support chassis of claim 10, wherein: the upper end of the side module is provided with a cross bar inserted into the seat covering frame, and the cross bar and the side module are integrally formed.
12. The sofa support chassis of claim 11, wherein: the side module is provided with a fourth through hole and corresponds the position of the fourth through hole is inwards sunken to form a fifth groove for enhancing the connection strength of the fourth through hole, a connecting plate is arranged below the seat covering frame, and a bolt penetrates through the fourth through hole and is connected with the connecting plate.
13. The sofa support chassis of claim 1, wherein: still include the back connecting piece, the back connecting piece set up in the side module is close to the one end of back module.
14. The sofa support chassis of claim 13, wherein: and a fourth mounting groove for positioning and mounting the backrest connecting piece is formed in the side module piece, and the surface of the side module piece is inwards recessed to form the fourth mounting groove.
15. The sofa support chassis of claim 1, wherein: the front foot baffle is arranged between the two side module pieces, and the front foot baffle is positioned on the outer side of the front module piece.
16. The sofa support chassis of claim 15, wherein: the side module is provided with a protrusion, the protrusion is provided with a clamping groove, the front foot baffle is provided with a mounting cavity for accommodating the protrusion, and a clamping block matched with the clamping groove in a clamping manner is arranged in the mounting cavity.
CN202010372686.2A 2020-05-06 2020-05-06 Sofa supports chassis Pending CN113616023A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010372686.2A CN113616023A (en) 2020-05-06 2020-05-06 Sofa supports chassis
PCT/CN2020/122029 WO2021223371A1 (en) 2020-05-06 2020-10-20 Sofa supporting underframe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010372686.2A CN113616023A (en) 2020-05-06 2020-05-06 Sofa supports chassis

Publications (1)

Publication Number Publication Date
CN113616023A true CN113616023A (en) 2021-11-09

Family

ID=78376489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010372686.2A Pending CN113616023A (en) 2020-05-06 2020-05-06 Sofa supports chassis

Country Status (2)

Country Link
CN (1) CN113616023A (en)
WO (1) WO2021223371A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792377B1 (en) * 1999-04-13 2001-06-29 Thierry Cardot MODULE FOR THE MANUFACTURE OF ARMCHAIRS OR SOFAS
EP3068267B1 (en) * 2013-11-11 2021-03-03 Suncast Technologies, LLC Blow molded resin furniture having a stabilizing box structure
CN104757802A (en) * 2015-04-03 2015-07-08 浙江中义家具有限公司 Foldable seat
CN206166367U (en) * 2016-05-26 2017-05-17 路华(厦门)贸易有限公司 Sofa framework
CA3108049A1 (en) * 2018-07-27 2020-01-30 Ashley Furniture Industries Inc. Upholstered furniture including molded furniture components
CN110141066A (en) * 2019-04-04 2019-08-20 敏华家具制造(惠州)有限公司 A kind of sofa handrail and Parts of sofa

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