CN217743703U

CN217743703U - Sofa frame

Info

Publication number: CN217743703U
Application number: CN202221346526.1U
Authority: CN
Inventors: 冯元峰; 王永英; 闫慧; 高俊东; 王平; 姚兆文
Original assignee: Kuka Home Co Ltd
Current assignee: Kuka Home Co Ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-08
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a sofa frame, it includes the frame main part, the frame main part includes a pair of supporting beam and a pair of tie-beam, the both ends of tie-beam are connected respectively in two supporting beams, two be used for installing the spring in the tie-beam clearance sets up and this clearance, tie-beam integrated into one piece has a plurality of hook joint portions that are used for with spring tip looks joint, a supporting beam shaping has two connection otic placodes, two the tip of tie-beam difference one-to-one sets up two connection otic placodes on same supporting beam, the connection otic placode is worn to be equipped with and is made its and tie-beam tip looks fixed connecting bolt. This application has the effect that improves the convenience when the installation of skeleton subassembly.

Description

Sofa frame

Technical Field

The application relates to the field of sofas, in particular to a sofa frame.

Background

Generally, a sofa includes a frame member, a flexible layer overlying the frame member, and a protective layer. The flexible layer is often made by sponge or leather, and the protective layer is made by cloth or leather, and the protective layer covers in the one side that the flexible layer deviates from the skeleton subassembly, and a plurality of coupling hooks of protective layer border fixedly connected with, and the skeleton subassembly is located to the coupling hook card. When the sofa is used, the framework component can improve the stability of the sofa and the whole load bearing capacity.

The skeleton subassembly includes frame, a plurality of spring and sets up in the connecting piece at spring both ends, and the both ends of spring are all relative both sides border on the frame through connecting piece fixed connection to when making the sofa use, the skeleton subassembly can realize elastic support to the user, improves the comfortable degree that the sofa used.

However, in the process of installing the frame assembly, the connecting members are required to be fixedly connected to the frame, and then the two ends of the spring are respectively connected to the connecting members on the two opposite edges of the frame. Therefore, the framework assembly is relatively complicated in installation, and the installation efficiency is further influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience when the skeleton subassembly is installed, this application provides a sofa frame.

The application provides a sofa frame adopts following technical scheme:

the utility model provides a sofa frame, includes the frame main part, the frame main part includes a pair of supporting beam and a pair of tie-beam, the both ends of tie-beam are connected respectively in two supporting beams, two be used for installing the spring in tie-beam clearance setting and this clearance, tie-beam integrated into one piece has a plurality of hook joint portions that are used for with spring end joint mutually.

Through adopting above-mentioned technical scheme, during the installation, only need to set up the spring between two tie-beams, hook portion of hook on two tie-beams is located with the both ends difference hook of spring afterwards to fix spring and sofa frame mutually, reduce the step of extra erection joint spare, and then improve the convenience of skeleton subassembly installation, efficiency when improving the installation simultaneously.

Optionally, a plurality of connecting lug plates are formed on the supporting beam, the end of the connecting beam is erected on the connecting lug plates, and connecting bolts for fixing the connecting lug plates and the end of the connecting beam are arranged in the connecting lug plates in a penetrating mode.

By adopting the technical scheme, the connecting beam and the supporting beam are detachably connected so as to improve the convenience of the framework assembly during installation; the connecting lug plate can be arranged at different height positions on the supporting beam, so that when the framework assembly is installed, the spring can be located at different heights, the flexible layer can be supported at different heights, and the using effect of the sofa is improved.

Optionally, the connection beam is fixedly connected with a reinforcing bar, and the reinforcing bar is abutted to one end of the connection lug plate, which is far away from the other connection beam.

Through adopting above-mentioned technical scheme, in the sofa use, when the spring pulls the tie-beam, because the enhancement strip on the tie-beam and the butt of engaging lug board, can reduce the load that connecting bolt bore, and then improve the steadiness of connecting portion between connecting lug board and the tie-beam.

Optionally, the connecting ear plate is formed with a positioning protrusion, and the end of the connecting beam is provided with a positioning hole matched with the positioning protrusion.

Through adopting above-mentioned technical scheme, when being connected the tie-beam with a supporting beam, earlier locate the location arch on the connection otic placode with the locating hole cover on the tie-beam, and then can do the fixed position to the tie-beam in advance, fastening connecting bolt afterwards, and connecting bolt is comparatively convenient when the installation.

Optionally, a plurality of limiting protrusions for limiting the end of the spring to move on the hooking portion are formed on the connecting beam, and a plurality of limiting protrusions are arranged at the same hooking portion.

Through adopting above-mentioned technical scheme, when spring mounting, locate the tip card of spring between hookup portion and spacing arch to under the effect of spacing arch, can reduce the spring tip and take place the possibility that drops from hookup portion, and then improve the steadiness after the spring mounting.

Optionally, an elastic sleeve made of an elastic material is arranged at the hooking part, the elastic sleeve is sleeved at the end part of the spring, and the elastic sleeve is used for abutting against the hooking part.

Through adopting above-mentioned technical scheme, in the use, if spring and hook joint portion take place when wiping each other, the elastic sleeve can reduce the possibility that the connecting portion sent the abnormal sound between spring and the hook joint portion.

Optionally, at least one the tie-beam sets up to channel-section steel column structure, and the notch sets up towards spring place one side, arbitrary one lateral wall fixed connection in a supporting beam of tie-beam.

By adopting the technical scheme, the connecting beam is arranged into a channel steel-shaped structure, so that the strength of the connecting beam can be improved, the load bearing capacity can be improved, and the overall stability of the framework assembly after the spring is installed can be further improved; can also fix supporting beam and the different positions of tie-beam mutually to the realization is adjusted the height of hook joint portion, makes the skeleton subassembly when the installation, and the spring can be located different height and supports the flexible layer, increases the result of use of sofa.

Optionally, the frame main part is provided with the reinforcement subassembly, the reinforcement subassembly is including being used for doing the reinforcement strip that supports to the flexible layer, the reinforcement strip extends along the closed loop direction of frame main part, just the reinforcement strip passes through bolt or welded fastening in a supporting beam and/or tie-beam.

Through adopting above-mentioned technical scheme, the reinforcement strip that sets up for when the sofa installation, can improve the whole area that supports the flexible layer of skeleton subassembly, improve the steadiness after the flexible layer is installed on the skeleton subassembly.

Optionally, the reinforcement assembly further comprises a fixing strip for connecting the hook phase and the joint, the fixing strip extends along the closed loop direction of the frame main body, and the fixing strip is connected to the reinforcement strip or the frame main body.

Through adopting above-mentioned technical scheme, protective layer in the sofa can locate the fixed strip in the connection hook of protective layer when the installation to improve the convenience of connection hook when the installation.

Optionally, the reinforcing strip is provided with a plurality of supporting portions, and the supporting portions are formed by bending the reinforcing strip towards one side of the flexible layer.

Through adopting above-mentioned technical scheme, can do the improvement to the support height of reinforcing bar to can be with flexible layer and supporting part looks joint during the installation, further improve the installation back steadiness of flexible layer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. during installation, the two ends of the spring are only required to be respectively hooked on the hooking parts on the two connecting beams, so that the spring is fixed with the sofa frame, the step of additionally installing the connecting piece is reduced, the convenience of installing the framework assembly is further improved, and meanwhile, the efficiency during installation is improved;

2. in the spring mounting process, the end portion of the spring is clamped between the hooking portion and the limiting protrusion, so that the possibility that the end portion of the spring drops from the hooking portion can be reduced, and the stability of the spring after being mounted is improved.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a frame body in embodiment 2 of the present application;

FIG. 4 is an enlarged schematic view of portion B of FIG. 3;

FIG. 5 is a schematic structural diagram of a frame body in embodiment 3 of the present application;

fig. 6 is an enlarged schematic view of a portion C of fig. 5.

Fig. 7 is a schematic view of the mounting structure at the fixing strip in embodiment 3 of the present application.

Description of reference numerals: 1. a support beam; 11. connecting the ear plates; 111. a connecting bolt; 112. positioning the projection; 2. a connecting beam; 21. a hooking part; 22. a reinforcing strip; 23. a limiting bulge; 24. an elastic sleeve; 3. a reinforcement assembly; 31. reinforcing the strips; 311. a support portion; 32. a fixing strip; 4. a connecting hook; 5. and a protective layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a sofa frame.

Example 1:

referring to fig. 1 and 2, a sofa frame includes a frame body including a pair of support beams 1 arranged in parallel and a pair of connection beams 2 arranged in parallel, but of course, the frame body may be provided in plurality and connected to each other. In this embodiment, two ends of the connecting beam 2 are respectively welded to the two supporting beams 1, and the two connecting beams 2 are arranged at intervals. The coupling beam 2 is integrally formed with a plurality of hooking portions 21, and the plurality of hooking portions 21 on the same coupling beam 2 are distributed along the longitudinal direction of the coupling beam 2.

During the installation, only need to set up the spring between two tie-beams 2, hook the both ends of spring respectively afterwards and locate the hook joint portion 21 on two tie-beams 2 to fix spring and sofa frame mutually, reduce the step of extra erection joint spare, and then improve the convenience of skeleton subassembly installation, efficiency when improving the installation simultaneously.

Referring to fig. 2, a plurality of limiting protrusions 23 are formed on the connecting beam 2, in this embodiment, two limiting protrusions 23 are disposed at the same hooking portion 21, and the end of the spring is clamped between the hooking portion 21 and the limiting protrusions 23. Therefore, under the action of the limiting protrusion 23, the possibility that the end part of the spring falls off from the hooking part 21 can be reduced, and the stability of the spring after being installed is further improved.

Referring to fig. 2, an elastic sleeve 24 is disposed at the hooking portion 21, and the elastic sleeve 24 is made of an elastic material, such as rubber or silicone. The elastic sleeve 24 is sleeved on the end of the spring, and the elastic sleeve 24 is abutted against the hook part 21 when being installed. Therefore, when the spring and the hooking part 21 rub against each other in the use process, the elastic sleeve 24 can reduce the possibility of abnormal noise generated at the connecting part between the spring and the hooking part 21.

The implementation principle of the embodiment 1 is as follows: during installation, the spring is only required to be arranged between the two connecting beams 2. Then, the elastic sleeve 24 is sleeved on the end portion of the spring, and the two ends of the spring are respectively hooked on the hooking portions 21 on the two connecting beams 2, and the end portion of the spring is clamped between the limiting protrusion 23 and the hooking portions 21. Thereby fix spring and sofa frame mutually, reduce the step of extra erection joint spare, and then improve the convenience of skeleton subassembly installation, efficiency when improving the installation simultaneously.

Example 2:

referring to fig. 3 and 4, the embodiment is different from embodiment 1 in that the end of the connecting beam 2 is detachably connected to the supporting beam 1, so that two connecting beams 2 in the same frame main body can be replaced with each other, the installation convenience is further improved, and the uniformity and the production convenience of the connecting beam 2 during production are improved.

Moreover, in this embodiment, the number of the supporting beam 1 corresponding to the connecting beam 2 is formed with two connecting ear plates 11, and the connecting ear plates 11 are provided with the connecting bolts 111 for fixing the connecting ear plates with the end of the connecting beam 2, so that the connecting beam 2 and the supporting beam 1 can be detachably connected, and the convenience of installing the framework assembly is improved.

The connecting lug plate 11 can be arranged at different height positions on the supporting beam 1, so that when the framework assembly is installed, the spring can be located at different heights, the flexible layer can be supported at different heights, and the using effect of the sofa is improved.

Referring to fig. 4, the connection beam 2 is fixedly connected with a reinforcing strip 22, and the reinforcing strip 22 extends along the length direction of the connection beam 2. The reinforcing bar 22 abuts against the side of the connecting ear plate 11 of the two ends of the connecting beam 2 away from the other connecting beam 2. Thereby in the sofa use, when the spring pulls tie-beam 2, because the enhancement strip 22 on the tie-beam 2 and connection otic placode 11 looks joint, can reduce the load that connecting bolt 111 bore, and then improve the steadiness of connecting portion between connection otic placode 11 and tie-beam 2.

Referring to fig. 4, in order to improve the convenience of fixing the connection beam 2 and the connection ear plate 11, a positioning protrusion 112 is formed on the connection ear plate 11, and a positioning hole matched with the positioning protrusion 112 is formed at the end of the connection beam 2. Thereby when being connected tie-beam 2 with a supporting beam 1, earlier locate the location arch 112 on connecting the otic placode 11 with the locating hole cover on the tie-beam 2, and then can make the position to tie-beam 2 in advance, fastening connecting bolt 111 afterwards, and connecting bolt 111 is comparatively convenient when the installation.

The implementation principle of the embodiment 2 is as follows: the connection beam 2 is detachably connected to the support beam 1 by the connection bolt 111, so that the frame body and the framework assembly are relatively convenient to mount. And, the engaging lug plate 11 can set up the not co-altitude position on the tie-beam 2 to make the skeleton subassembly when the installation, the spring can be located different height and support the flexible layer, increases the result of use of sofa.

Example 3:

referring to fig. 5, the present embodiment is different from embodiment 1 in that at least one of the connection beams 2 is configured as a channel-shaped structure, and the notch is opened toward the side where the spring is located. Hook joint portion 21 is by the shaping of 2 roof walls of tie-beam, and in this embodiment, 2 bottoms of tie-beam are through bolt fixed connection in a supporting beam 1, and a supporting beam 1 is located 2 lower extremes of tie-beam and with the outer wall looks butt of 2 bottoms of tie-beam.

At this moment, set up tie-beam 2 into channel-section steel column structure and can improve 2 self intensity of tie-beam, improve the ability that bears load, and then improve spring mounting back, the holistic steadiness of skeleton subassembly. Certainly, can also wear to locate supporting beam 1 in the recess of tie-beam 2 and butt in the inboard roof or the diapire of tie-beam 2 to the same realization is adjusted the height of hook portion 21, makes the skeleton subassembly when the installation, and the spring can be located different height and support the flexible layer, increases the result of use of sofa.

Referring to fig. 5 and 6, the frame body is provided with the reinforcing member 3, the reinforcing member 3 includes a reinforcing strip 31 and a fixing strip 32, the reinforcing strip 31 is fixedly connected to the support beam 1 and the connection beam 2 by welding so that the reinforcing strip 31 has better stability, and the fixing strip 32 is fixedly connected to the reinforcing strip 31. The reinforcing strips 31 and the fixing strips 32 extend along the closed loop direction of the frame main body, and the reinforcing strips 31 extend towards the outer side of the frame main body, so that the area of the whole framework assembly for supporting the flexible layer is increased, and the stability of the flexible layer after being installed on the framework assembly is improved.

Referring to fig. 6, the reinforcing strip 31 is further formed with a plurality of supporting portions 311, and the supporting portions 311 are formed by bending the reinforcing strip 31 toward the flexible layer side. Therefore, the supporting height of the reinforcing strip 31 can be improved, the flexible layer can be clamped with the supporting part 311 during installation, and the stability of the flexible layer after installation is further improved.

In other embodiments, the supporting portion 311 may also be disposed horizontally, in which case the supporting portion 311 is fixedly connected to the supporting beam 1 or the connecting beam 2 through a bolt, and in which case the supporting portion 311 is provided with a connecting hole for the bolt to pass through, and a portion of the supporting portion 311 that needs to be provided with the connecting hole is flattened; or the bolt sleeve is provided with a gasket, the bolt penetrates through the inner side of the bent part of the supporting part 311 at the moment, and the gasket abuts against one side of the supporting part 311 departing from the frame main body. Of course, in this embodiment, the support portion 311 may be fixed to the support beam 1 or the connection beam 2 by welding.

Referring to fig. 7, in the present embodiment, when the protective layer 5 is installed, the protective layer 5 is configured as a leather sheath, a plurality of connection hooks 4 are provided on the protective layer 5, and the connection hooks 4 are fixedly connected to the edge of the protective layer 5 by sewing, so as to reduce damage to the protective layer 5. The connecting hook 4 is in a J shape, so that the fixing strip 32 can be clamped in the hook body of the connecting hook 4, and the end part of the hook body of the connecting hook 4 inclines outwards to facilitate the embedding of the fixing strip 32; in addition, the connecting hook 4 has elasticity, and the inner surface of the hook body of the connecting hook 4 is convexly arranged to form a bayonet so as to reduce the probability that the fixing strip 32 is separated from the connecting hook 4.

When the protective layer 5 is installed, the connecting hook 4 is hung on the fixing strip 32, so that the convenience of installing the connecting hook 4 is improved. The structure of the connecting hook 4 and the leather sheath in the application is not limited to the structure in the attached drawings, and all the connecting hooks 4 can play a role in connecting the leather sheath with the frame.

The implementation principle of the embodiment 3 is as follows: the tie-beam 2 of channel-section steel column structure can improve 2 self intensity of tie-beam, improves the ability that bears the load, and then improves spring mounting back, the holistic steadiness of skeleton subassembly. Certainly, can also fix supporting beam 1 and tie-beam 2's different positions mutually to the height of realizing hooking portion 21 equally makes the skeleton subassembly when the installation, and the spring can be located different height and supports the flexible layer, increases the result of use of sofa.

The reinforcing component 3 that sets up can improve the whole area that supports the flexible layer of skeleton subassembly, improves the steadiness after the flexible layer is installed on the skeleton subassembly.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A sofa frame, characterized in that: including the frame main part, the frame main part includes a pair of supporting beam (1) and a pair of tie-beam (2), the both ends of tie-beam (2) are connected respectively in two supporting beam (1), two be used for installing the spring in tie-beam (2) clearance setting and this clearance, tie-beam (2) integrated into one piece have a plurality of be used for with spring end looks joint hook portion (21).

2. The sofa frame of claim 1, wherein: supporting beam (1) shaping has a plurality of connection otic placodes (11), the tip of tie-beam (2) is set up in connection otic placode (11), it wears to be equipped with connecting bolt (111) that make it fix mutually with tie-beam (2) tip to connect otic placode (11).

3. The sofa frame according to claim 2, wherein: the utility model discloses a bridge connector, including tie-beam (2), tie-beam (2) fixedly connected with strengthens strip (22), strengthen strip (22) butt in the one end that another tie-beam (2) was kept away from in connection otic placode (11).

4. The sofa frame of claim 2, wherein: the connecting ear plate (11) is formed with a positioning protrusion (112), and the end part of the connecting beam (2) is provided with a positioning hole matched with the positioning protrusion (112).

5. The sofa frame of claim 1, wherein: the connecting beam (2) is provided with a plurality of limiting bulges (23) for limiting the movement of the end part of the spring on the hooking part (21), and the hooking part (21) is provided with a plurality of limiting bulges (23).

6. The sofa frame of claim 1, wherein: an elastic sleeve (24) made of elastic materials is arranged at the hook-connecting part (21), the end part of the spring is sleeved with the elastic sleeve (24), and the elastic sleeve (24) is used for being abutted to the hook-connecting part (21).

7. The sofa frame of claim 1, wherein: at least one tie-beam (2) set up to channel-section steel column structure, and the notch sets up towards spring place one side, arbitrary lateral wall fixed connection in a supporting beam (1) of tie-beam (2).

8. The sofa frame of claim 1, wherein: the frame main part is provided with reinforcement assembly (3), reinforcement assembly (3) are including being used for doing reinforcement strip (31) that support to the flexible layer, reinforcement strip (31) extend along the closed loop direction of frame main part, just reinforcement strip (31) are through bolt or welded fastening in a supporting beam (1) and/or tie-beam (2).

9. The sofa frame of claim 8, wherein: consolidate subassembly (3) still including being used for with fixed strip (32) of coupling hook (4) looks joint, fixed strip (32) are the same to be extended along the closed loop direction of frame main part, fixed strip (32) are connected in reinforced strip (31) or frame main part.

10. The sofa frame of claim 8, wherein: the reinforcing strip (31) is provided with a plurality of supporting parts (311), and the supporting parts (311) are formed by bending the reinforcing strip (31) towards one side of the flexible layer.