CN210330006U - Sofa that travelling comfort is good - Google Patents

Abstract

The utility model relates to a sofa that travelling comfort is good. The front edge of the base of the existing sofa is hard, so that the use comfort is influenced. The utility model discloses a base, the base includes the parcel layer of underframe and vertical cover underframe, underframe front portion top is equipped with the elasticity locating part, elasticity locating part one end is connected with the underframe, and other end bearing parcel layer leading edge, elasticity locating part order about parcel layer leading edge upwards reply to idle station by the pressurized station to make parcel layer leading edge have the vertically sunken buffer space. Set up elasticity locating part at underframe front portion, elasticity locating part can play the supporting role to wrapping layer leading edge under the non-stress state, ensures that the wrapping layer forms the low slope form in high back before, promotes the position of sitting travelling comfort, can also buckle deformation downwards under the stress state, for the user shank provides buffer space, effectively balances the body pressure between each region of shank and buttock, promotes the bearing travelling comfort.

Description

Sofa that travelling comfort is good

Technical Field

The utility model relates to the field of furniture, concretely relates to sofa.

Background

Existing sofas include a base, a backrest, and arms that provide a comfortable resting position for the user. Current base includes the parcel layer at underframe and parcel underframe top, is equipped with the strip spring to setting up to the front in the underframe, in order to ensure that the user has the position of sitting of heeling, the parcel top is the low slope form in high-back, in the current structure, sets up to erect at the underframe front edge and puts baffle and foam strip usually, utilizes to erect to put the baffle and come lifting parcel layer front edge height, and the foam strip utilizes self deformation to provide the flexible support for user's shank, but this kind of structure has following defect: because the elastic amplitude of the foam strips is limited, when a user sits for too long time, the foam strips still can cause overstock on legs, and then the situation that the legs and the buttocks are locally numb due to unbalanced body pressure in the areas is caused, and the use comfort is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a sofa that travelling comfort is good sets up elasticity locating part at the underframe front portion, can bearing parcel layer leading edge, still makes parcel layer leading edge have great vertical buffer space, promotes and uses the travelling comfort.

The utility model discloses a following mode realizes: the utility model provides a sofa that travelling comfort is good, includes the base, the base includes the parcel layer of underframe and vertical cover underframe, underframe front portion top is equipped with elasticity locating part, elasticity locating part one end is connected with the underframe, and other end bearing parcel layer leading edge, elasticity locating part order about parcel layer leading edge upwards reply to idle station by the pressurized station to make parcel layer leading edge have the buffer space that can vertically cave in. Set up elasticity locating part at underframe front portion, elasticity locating part can play the supporting role to wrapping layer leading edge under the non-stress state, ensures that the wrapping layer forms the low slope form in high back before, promotes the position of sitting travelling comfort, can also buckle deformation downwards under the stress state, for the user shank provides buffer space, effectively balances the body pressure between each region of shank and buttock, promotes the bearing travelling comfort. The parcel layer plays the function of keeping apart underframe and user, both protects the effect of underframe, can also provide comfortable support for the user.

Preferably, the fixed end of the elastic limiting member is fixedly connected to the bottom frame, and the bearing end of the elastic limiting member is supported on the bottom surface of the front edge of the wrapping layer. The underframe provides deformation support for the elastic limiting part, and both ensure that the elastic limiting part can be deformed to the pressurized station with the preset path when pressurized, and also ensure that the elastic limiting part returns to the idle station along the preset path when the user leaves the seat.

Preferably, the elastic limiting pieces are arranged at equal intervals along the length direction of the bottom frame, and the supporting ends are sequentially positioned in series through steel wire ropes. Elastic locating part all plays the bearing effect to each district section of parcel layer front edge, wire rope and each bearing end rigid coupling, both played the limiting action to adjacent bearing end piece distance, ensure bearing end evenly distributed on wire rope, still utilize wire rope to play the bearing effect to the parcel layer front edge district section that lies in adjacent bearing end piece, ensure that each district section of parcel layer front edge has balanced bearing effort, guarantee that parcel layer profile puts in order, promote the aesthetic property.

Preferably, the bearing ends are fixedly connected with the corresponding sections of the steel wire rope through foam pipes in a sleeved mode, so that the distance between the adjacent bearing ends is the same and constant. The foam pipe plays a role in wrapping and fixedly connecting the bearing end and the steel wire rope so as to fixedly connect the steel wire rope and the foam pipe, and also plays a role in isolating the steel wire rope so as to prevent the wrapping layer from breaking due to friction with the steel wire rope.

Preferably, a binding belt is arranged between the bearing end and the front edge of the bottom frame, and after the binding belt is installed in place, the bearing end is pulled downwards by the binding belt, so that the bearing end is arranged at the same height and has upward tilting pretightening force. Ribbon one end and bearing end rigid coupling, the other end and underframe front edge rigid coupling control bearing end and underframe front edge distance between through the length of restriction ribbon, ensure the bearing end all is located same height, and then guarantees parcel layer front edge level setting.

Preferably, the bottom frame comprises a square frame body and an S-shaped spring bridged on the frame body, the S-shaped spring is bridged between the front edge and the rear edge of the frame body, and the fixed end is wound and fixedly connected on the front part of the S-shaped spring, so that the supporting end has a pre-tightening force for upwards supporting the wrapping layer. The two ends of the S-shaped spring are respectively and fixedly connected to the front edge and the rear edge of the frame body, and the middle part of the S-shaped spring is upwards bulged, so that the S-shaped spring has the function of supporting a user and provides comfortable support for the user. The vertical effort that the bearing end received is transmitted to the S-shaped spring through the elasticity locating part on, ensures elasticity locating part and S-shaped spring matching linkage, promotes the travelling comfort.

Preferably, the S-shaped spring is formed by bending an elastic steel bar in a reciprocating manner, the S-shaped spring is bridged on the frame body in parallel at equal intervals, the S-shaped spring comprises a front cross bar and a rear cross bar which are adjacent and parallel to each other, and the fixed end is bent and S-shaped to sequentially wrap the rear cross bar and the front cross bar, so that the bearing end has a pre-tightening force for bearing the wrapping layer upwards. The rigid coupling end card is put on S-shaped spring, both ensured firm rigid coupling between them, can also provide the pretightning force for the parcel layer through the swing range of restriction elasticity locating part.

Preferably, the elastic limiting part is a U-shaped spring, the arc-shaped part of the U-shaped spring forms the bearing end, and two fixing ends which are independent from each other and are fixedly connected with the bottom frame are formed at the end part of the U-shaped spring. The U-shaped spring is provided with two separately-arranged fixed ends, plays a role in preventing the elastic limiting part from overturning, and ensures that the U-shaped spring is always in a horizontal state.

Preferably, the rear edge of the base is provided with a backrest, support legs are arranged below the base, a soft cushion is arranged above the base, and handrails are arranged on two sides of the base to provide comfortable support for a user.

The utility model has the advantages that: set up elasticity locating part at underframe front portion, elasticity locating part can play the supporting role to wrapping layer leading edge under the non-stress state, ensures that the wrapping layer forms the low slope form in high back before, promotes the position of sitting travelling comfort, can also buckle deformation downwards under the stress state, for the user shank provides buffer space, effectively balances the body pressure between each region of shank and buttock, promotes the bearing travelling comfort.

Drawings

FIG. 1 is a schematic view of the present invention in a partial cross-sectional view;

fig. 2 is a schematic sectional view of the elastic limiting member assembling structure;

in the figure: 1. parcel layer, 2, elasticity locating part, 3, framework, 4, wire rope, 5, foam tube, 6, ribbon, 7, S-shaped spring, 8, leading horizontal pole, 9, rearmounted horizontal pole, 10, bearing end, 11, rigid coupling end.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

The sofa with good comfort is shown in figures 1 and 2 and is composed of a base, wherein the base comprises a bottom frame and a wrapping layer 1 vertically covering the bottom frame, an elastic limiting part 2 is arranged above the front part of the bottom frame, one end of the elastic limiting part 2 is connected with the bottom frame, the other end of the elastic limiting part supports the wrapping layer 1 front edge, and the elastic limiting part 2 orders the wrapping layer 1 front edge to upwards reply to an idle station through a compression station so that the wrapping layer 1 front edge has a buffer space capable of being vertically depressed. Set up elasticity locating part 2 in underframe front portion, elasticity locating part 2 can play the bearing effect to wrapping layer 1 front edge under the non-stress state, ensures that wrapping layer 1 forms the low slope form in preceding high back, promotes the position of sitting travelling comfort, can also buckle deformation downwards under the stress state, provides buffer space for the user shank, and effective balanced shank and each regional body pressure of buttock promote the bearing travelling comfort.

In practical operation, the fixed end 11 of the elastic limiting member 2 is fixed to the bottom frame, and the supporting end 10 of the elastic limiting member 2 is supported on the bottom surface of the front edge of the wrapping layer 1. Specifically, the elastic limiting member 2 is installed by the following steps:

firstly, the elastic limiting piece 2 is fixedly connected to the bottom frame through a fixed end 11, specifically, the fixed end 11 is fixedly connected to the S-shaped spring 7 through a winding manner, so that the elastic limiting piece 2 is fixedly connected to the bottom frame to limit rotation;

then, a binding belt 6 is arranged between the bearing end 10 and the front edge of the bottom frame, so that each bearing end 10 swings downwards and is positioned at the same height, and at the moment, each elastic limiting piece 2 is stressed and deformed and has pretightening force for driving the bearing end 10 to tilt upwards;

and then, the steel wire ropes 4 are sequentially connected with the bearing ends 10 in series, specifically, the steel wire ropes 4 are fixedly connected with the corresponding bearing ends 10 through the foam pipes 5, so that the distance between the adjacent bearing ends 10 is ensured to be constant, and the steel wire ropes 4 can be used for supporting the front edge of the wrapping layer 1 to have the same height.

And finally, wrapping the wrapping layer 1 on the bottom frame, fixedly connecting the rear edge of the wrapping layer 1 with the rear edge of the bottom frame, and fixedly connecting the front edge of the wrapping layer 1 with the front edge of the bottom frame after the front edge crosses the elastic limiting piece 2.

Accomplish the installation back, bearing end 10 is restricted by ribbon 6 and is predetermineeing the height, and parcel layer 1 is in under the effect of bearing end 10 by taut leveling state, and parcel layer 1 plays limiting displacement to bearing end 10.

In actual operation, the elastic limiting pieces 2 are arranged at equal intervals along the length direction of the bottom frame, and the bearing ends 10 are sequentially positioned in series through the steel wire ropes 4. The steel wire rope 4 is supported by the supporting ends 10 and forms a horizontal straight line shape, so that the distance between the adjacent supporting ends 10 is ensured to be constant, and the supporting effect on each section of the front edge of the wrapping layer 1 can be achieved.

In actual operation, the bearing ends 10 are fixedly sleeved with the corresponding sections of the steel wire rope 4 through the foam pipes 5, so that the distances between the adjacent bearing ends 10 are the same and constant. The cross section of the foam pipe 5 is C-shaped, so that the foam pipe 5 is provided with an opening for inserting and fixedly connecting the steel wire rope 4 and the bearing end 10. After the installation targets in place, the complete parcel wire rope 4 of foam pipe 5, the supporting part plays the positioning action to the opening, ensures that the opening sets up towards 2 directions of elasticity locating part all the time, and then guarantees that foam pipe 5 plays the effect of keeping apart wire rope 4 and parcel layer 1, prolongs parcel layer 1's life.

In actual operation, a binding belt 6 is arranged between the bearing end 10 and the front edge of the bottom frame, and after the binding belt 6 is installed in place, the bearing end 10 is pulled downwards, so that the bearing end 10 is arranged at the same height and has upward tilting pretightening force. The two ends of the ribbon 6 are fixedly connected with the supporting end 10 and the bottom frame respectively, and after the ribbon is installed in place, the length of each ribbon 6 is the same, so that the swing range of the supporting end 10 is limited, and the supporting ends 10 are arranged at equal heights when being positioned at idle stations.

In practical operation, the bottom frame comprises a square frame body 3 and an S-shaped spring 7 bridged on the frame body 3, the S-shaped spring 7 is bridged between the front edge and the rear edge of the frame body 3, and the fixed end 11 is wound and fixedly connected on the front part of the S-shaped spring 7, so that the bearing end 10 has a pre-tightening force for bearing the wrapping layer 1 upwards. The S-shaped spring 7 has good elastic deformation performance and large width, and effectively saves raw materials. The S-shaped spring 7 formed by repeated bending can provide a front cross bar 8 and a rear cross bar 9 at proper positions for the elastic limiting piece 2, and the elastic limiting piece 2 can be ensured to be positioned on a preset station. After the wrapping layer 1 is installed in place, the elastic limiting part 2 is arranged in an inclined mode, and the bearing end 10 is higher than the fixed connection end 11, so that the top surface of the wrapping layer 1 is ensured to be in an inclined state with a high front part and a low back part. When the user sits on the base, bearing end 10 can switch to the pressurized station by idle station because of vertical body pressure, and the vertical body pressure that elasticity locating part 2 received can be transmitted to S-shaped spring 7 through rigid coupling end 11 on, ensures that parcel layer 1 is whole sunken downwards.

In practical operation, the S-shaped springs 7 are formed by bending elastic steel bars in a reciprocating manner, the S-shaped springs 7 are bridged on the frame 3 in parallel at equal intervals, and two ends of each S-shaped spring 7 are fixedly connected to the front edge and the rear edge of the frame respectively through buckles, so that the middle parts of the S-shaped springs 7 are raised upwards. The S spring comprises a front cross rod 8 and a rear cross rod 9 which are adjacent and parallel to each other, and the fixed connection end 11 is bent and S-shaped to sequentially wind the rear cross rod 9 and the front cross rod 8, so that the bearing end 10 has pretightening force for upwards bearing the wrapping layer 1. S-shaped spring 7 forms a plurality of horizontal poles that are parallel to each other and equidistance setting through buckling repeatedly, forms through selecting two horizontal poles of adjacent setting leading horizontal pole 8 and rearmounted horizontal pole 9 provide the rigid coupling impetus for elasticity locating part 2. The fixed end 11 is bent and extended and respectively wound around the front cross rod 8 and the rear cross rod 9, specifically, the fixed end 11 is firstly wound from the top to the bottom from the rear side of the rear cross rod 9, then obliquely passes through the space between the front cross rod 8 and the rear cross rod 9 forwards and upwards, and finally, the front cross rod 8 is wound from the back forwards and downwards from the top, so that the elastic limiting part 2 is detachably clamped on the S-shaped spring 7.

In practical operation, the elastic limiting part 2 is a U-shaped spring, the arc-shaped part of the U-shaped spring forms the bearing end 10, and two fastening ends 11 which are independent from each other and are fixedly connected with the bottom frame are formed at the end part of the U-shaped spring. The rotation-proof performance of the elastic limiting part 2 is improved by arranging the two fixed connection ends 11, and the elastic limiting part 2 is fixedly connected to the S-shaped spring 7 in a flat posture.

In practical operation, the rear edge of the base is provided with a backrest; or support legs are arranged below the base; or a soft-packaged cushion is arranged above the base; or, the two sides of the base are provided with handrails. The sofa can increase and decrease corresponding parts according to practical use, not only satisfies the operation requirement, still satisfies individualized setting requirement, all should regard as the utility model discloses a specific embodiment.

Claims (10)

1. The utility model provides a sofa that travelling comfort is good, includes the base, its characterized in that, the base includes parcel layer (1) of underframe and vertical cover underframe, underframe front portion top is equipped with elasticity locating part (2), elasticity locating part (2) one end is connected with the underframe, and other end bearing parcel layer (1) front edge, elasticity locating part (2) order about parcel layer (1) front edge and upwards reply to idle station by the pressurized station to but make parcel layer (1) front edge have vertical sunken buffer space.

2. The sofa according to claim 1, wherein the fastening end (11) of the elastic limiting member (2) is fastened to the bottom frame, and the supporting end (10) of the elastic limiting member (2) is supported on the bottom surface of the front edge of the wrapping layer (1).

3. The sofa according to claim 2, wherein the elastic stoppers (2) are equidistantly arranged along the length direction of the bottom frame, and the supporting ends (10) are sequentially positioned in series by the steel wire rope (4).

4. A sofa with improved comfort according to claim 3, characterised in that the support ends (10) are fixedly connected to the corresponding sections of the steel cable (4) by means of foam tubes (5) so that the distance between adjacent support ends (10) is the same and constant.

5. A comfortable sofa according to claim 3, wherein a tie (6) is provided between the support end (10) and the front edge of the bottom frame, and when the tie (6) is installed in place, the support end (10) is pulled downwards by the tie to make the support end (10) have the same height and have the upward-tilting pre-tightening force.

6. The sofa with good comfort according to claim 2, wherein the bottom frame comprises a square frame body (3) and S-shaped springs (7) bridged on the frame body (3), the S-shaped springs (7) are bridged between the front edge and the rear edge of the frame body (3), and the fixed ends (11) are wound and fixed on the front parts of the S-shaped springs (7) so that the bearing ends (10) have pre-tightening force for bearing the wrapping layer (1) upwards.

7. A comfortable sofa according to claim 6, characterized in that the S-shaped springs (7) are made of elastic steel bars by bending to and fro, and the S-shaped springs (7) are bridged on the frame body (3) in parallel with equal distance.

8. The sofa with good comfort according to claim 7, wherein the S-shaped spring comprises a front cross bar (8) and a rear cross bar (9) which are adjacent and parallel to each other, and the fastening end (11) is bent and S-shaped to sequentially wrap the rear cross bar (9) and the front cross bar (8), so that the bearing end (10) has a pre-tightening force for upwards bearing the wrapping layer (1).

9. A sofa according to any of the claims 2-8, characterised in that the elastic stop (2) is a U-spring, the arc of which forms the bearing end (10) and the ends of which form two fastening ends (11) independent of each other and both fastened to the base frame.

10. The comfortable sofa of claim 1, wherein the back of the back rest is provided at the rear edge of the base; or support legs are arranged below the base; or a soft-packaged cushion is arranged above the base; or, the two sides of the base are provided with handrails.

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