CN109222485B

CN109222485B - Redwood sofa

Info

Publication number: CN109222485B
Application number: CN201811286271.2A
Authority: CN
Inventors: 陈田华
Original assignee: Zhejiang Dongyang Huaxia Furniture Co ltd
Current assignee: Zhejiang Dongyang Huaxia Furniture Co ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2021-04-09
Anticipated expiration: 2038-10-31
Also published as: CN109222485A

Abstract

The invention relates to the field of redwood furniture, in particular to a redwood sofa, which comprises a sofa body, a sofa backrest, a backrest rotating shaft, an adjusting mechanism, a telescopic pedal and a linkage rod, wherein the middle end of the front side surface of the sofa body is provided with a pedal accommodating groove, a T-shaped sliding groove and a sliding rod groove, and the rear side of the pedal accommodating groove is communicated with the T-shaped sliding groove and the sliding rod groove; the sliding rod groove is positioned on the left side of the lower end of the T-shaped sliding groove; the lower end of the left side surface of the sofa body is provided with a horizontal sliding hole, and the inner side of the horizontal sliding hole is communicated with a sliding rod groove; the lower end of the sofa backrest is rotatably connected to the rear end of the sofa body through a backrest rotating shaft; the retractable pedal capable of being retracted and the sofa backrest capable of being angularly adjusted are arranged inside the rosewood sofa, so that the comfort level of the rosewood sofa can be effectively improved; and the adjustment of the telescopic pedal and the sofa backrest adopts the same adjusting mechanism for adjustment control, so that the continuity is good.

Description

Redwood sofa

Technical Field

The invention relates to the field of redwood furniture, in particular to a redwood sofa.

Background

The rosewood sofa in the prior art has a single structure, and the whole structure cannot be adjusted, for example, the rosewood sofa with the application number of CN 201220256241.9. The sofa comprises a sofa base and a sofa seat surface, wherein the sofa seat surface is connected with the sofa base, and the sofa base is directly inserted into a mortise arranged on the sofa seat surface through a tenon arranged on the sofa base to realize connection. The tenon arranged on the sofa base is a right-angle tenon. The mortises arranged on the sofa seat surface are right-angled mortises. The tenon-and-mortise combined type redwood furniture adopts a structure of recombining the tenon-and-mortise of the original redwood furniture, so that a non-professional person can install the mortise-and-mortise-combined type redwood furniture without using any tool. The rosewood sofa is single in structure, incapable of being adjusted in the whole structure and poor in comfort level.

Disclosure of Invention

The invention aims to provide a rosewood sofa, which can effectively solve the problems that the structure of the rosewood sofa in the prior art is single and the whole structure can not be adjusted; the retractable pedal capable of being retracted and the sofa backrest capable of being angularly adjusted are arranged inside the rosewood sofa, so that the comfort level of the rosewood sofa can be effectively improved; and the adjustment of the telescopic pedal and the sofa backrest adopts the same adjusting mechanism for adjustment control, so that the continuity is good.

The purpose of the invention is realized by the following technical scheme:

a rosewood sofa comprises a sofa body, a sofa backrest, a backrest rotating shaft, an adjusting mechanism, a telescopic pedal and a linkage rod, wherein the middle end of the front side surface of the sofa body is provided with a pedal accommodating groove, a T-shaped sliding groove and a sliding rod groove, and the rear side of the pedal accommodating groove is communicated with the T-shaped sliding groove and the sliding rod groove; the sliding rod groove is positioned on the left side of the lower end of the T-shaped sliding groove; the lower end of the left side surface of the sofa body is provided with a horizontal sliding hole, and the inner side of the horizontal sliding hole is communicated with a sliding rod groove; the lower end of the sofa backrest is rotatably connected to the rear end of the sofa body through a backrest rotating shaft; the left end of the adjusting mechanism is fixedly connected to the rear end of the inner side of the pedal accommodating groove, and the right end of the adjusting mechanism is fixedly connected to the right side face of the sofa body; the adjusting mechanism is in transmission connection with a telescopic pedal; the telescopic pedal is connected in the pedal accommodating groove, the T-shaped sliding groove and the sliding rod groove in a sliding fit manner; the telescopic pedal is connected with the front end of the linkage rod, the rear end of the linkage rod is fixedly connected to the backrest rotating shaft, and the linkage rod is connected in the sliding rod groove in a sliding fit mode.

The adjusting mechanism comprises an adjusting turntable, a worm, a rod frame plate, a worm wheel, a transmission shaft, a gear and a shaft seat plate; the adjusting turntable is fixedly connected to the top end of the worm, and the worm is connected to the rod frame plate in a rotating fit mode through a bearing with a seat; the rod frame plate is fixedly connected to the right side face of the sofa body; the worm is in meshed transmission connection with the worm wheel; the worm wheel is fixedly connected to the right end of the transmission shaft, and the right end of the transmission shaft is connected to the right side surface of the sofa body in a rotating fit mode through a bearing with a seat; the left end of the transmission shaft is connected to the two shaft seat plates in a rotating fit mode through a bearing with a seat, and the two shaft seat plates are fixedly connected to the rear end of the inner side of the pedal accommodating groove; the transmission shaft is fixedly connected with a gear, and the gear is positioned between the two shaft seat plates; the gear is in meshing transmission connection with the telescopic pedal.

The telescopic pedal comprises a pedal body, a rack, a limiting plate, a vertical connecting rod and a transverse sliding rod; the rack is fixedly connected to the middle end of the bottom surface of the pedal body; the lower end of the rack is meshed with a gear; the front end and the rear end of the rack are respectively fixedly connected with a limiting plate, and the gear is positioned between the two limiting plates; the front end of the left side of the bottom surface of the pedal body is fixedly connected with the upper end of a vertical link rod, the lower end of the vertical link rod is fixedly connected with the front end of a transverse slide rod, and the transverse slide rod is connected in a slide rod groove in a sliding fit manner; the rear end of the transverse sliding rod is fixedly connected with the front end of the linkage rod; the pedal body, the rack and the limiting plate are connected in the pedal containing groove and the T-shaped sliding groove in a sliding fit mode.

The linkage rod comprises a push-pull connecting rod, a push-pull shaft, a rotating arm and a push-pull sliding block; the rear end of the transverse sliding rod is fixedly connected with one end of a push-pull sliding block, the other end of the push-pull sliding block is fixedly connected with the front end of a push-pull connecting rod, and the middle end of the push-pull sliding block is connected in a horizontal smooth hole in a sliding fit manner; the rear end of the push-pull connecting rod is fixedly connected with a push-pull shaft; the push-pull shaft is connected in a groove-shaped through hole at the lower end of the rotating arm in a sliding fit manner; the upper end of the rotating arm is fixedly connected to the backrest rotating shaft.

The rosewood sofa further comprises a walking wheel assembly; four walking wheel assemblies are arranged and are respectively and fixedly connected with four corners of the bottom surface of the sofa body.

The walking wheel assembly comprises a fixed seat plate and a walking wheel body; the fixed seat board is fixedly connected to the sofa body; the walking wheel body is connected to the bottom end of the fixed seat plate in a rotating fit mode.

The rosewood sofa further comprises a positioning mechanism; the positioning mechanism comprises a front belt wheel, a rear belt wheel, a belt, a linkage shaft, a linkage gear, a rear frame plate, a lifting rack, an upper baffle, a positioning top plate and a guide frame; the guide frame is fixedly connected to the rear side face of the sofa body, the linkage gear is connected to the guide frame in a sliding fit mode, and the guide frame is located between the upper baffle and the positioning top plate; the front belt wheel is fixedly connected to the transmission shaft, and the front belt wheel is connected with the rear belt wheel through belt transmission; the rear belt wheel is fixedly connected to the linkage shaft; the linkage shaft is connected to the rear frame plate in a rotating fit mode through a bearing with a seat, and the rear frame plate is fixedly connected to the rear side face of the sofa body; the middle end of the front side surface of the sofa body is provided with a belt perforation; the belt passes through the belt perforations; the linkage gear is fixedly connected to the linkage shaft; the linkage gear is meshed with the front end of the transmission lifting rack; the upper end and the lower end of the lifting rack are respectively fixedly connected with the upper baffle plate and the positioning top plate.

The pedal body comprises a transverse pedal, a rectangular through hole and an auxiliary supporting plate assembly; the transverse pedal is fixedly connected to the top end of the rack; the transverse pedal is provided with two parallel rectangular through holes; the auxiliary supporting plate assembly comprises an L-shaped bracket, a guide post, a contraction pipe, an external thread rod, an internal thread sleeve, a rotating block and a supporting plate body; the L-shaped bracket is fixedly connected to the bottom end of the transverse pedal; the guide post is in sliding fit in the shrinkage pipe, the top end of the guide post is fixedly connected with the supporting plate body, and the supporting plate body is connected in the rectangular through hole in a clearance fit manner; the bottom end of the shrinkage pipe is fixedly connected to the L-shaped bracket; the top end of the external thread rod is fixedly connected with the supporting plate body, the external thread rod is connected in the internal thread sleeve through threads, and the internal thread sleeve is connected on the L-shaped bracket in a rotating fit mode through a bearing with a seat; the bottom end of the internal thread sleeve is fixedly connected with the rotating block.

The invention has the beneficial effects that: the rosewood sofa can effectively solve the problems that the rosewood sofa in the prior art is single in structure and cannot be adjusted in overall structure; the retractable pedal capable of being retracted and the sofa backrest capable of being angularly adjusted are arranged inside the rosewood sofa, so that the comfort level of the rosewood sofa can be effectively improved; the adjustment of the telescopic pedal and the sofa backrest is adjusted and controlled by the same adjusting mechanism, so that the continuity is good; the traveling wheel assembly is arranged in the device, so that the device can move integrally; the positioning mechanism is arranged in the sofa backrest, can automatically prop against the ground for positioning after the telescopic pedal and the sofa backrest are adjusted, and has novel structure and strong practicability.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a second overall structural schematic of the present invention;

FIG. 3 is a first schematic structural view of the interior sofa body according to the present invention;

FIG. 4 is a second schematic structural view of the interior sofa body according to the present invention;

FIG. 5 is a schematic view of the internal adjustment mechanism of the present invention;

FIG. 6 is a first schematic view of the internal retractable pedal of the present invention;

FIG. 7 is a second schematic structural view of the internal retractable pedal of the present invention;

FIG. 8 is a schematic view of the construction of the internal pedal body of the present invention;

FIG. 9 is a schematic view of the construction of an internal cross step of the present invention;

FIG. 10 is a schematic view of the internal linkage of the present invention;

FIG. 11 is a schematic structural view of the inner road wheel assembly of the present invention;

FIG. 12 is a schematic view of the internal positioning mechanism of the present invention.

In the figure: a sofa body 1; a pedal receiving groove 1-1; a T-shaped chute 1-2; 1-3 of a sliding rod groove; belt perforation 1-4; 1-5 horizontal sliding holes; a sofa backrest 2; a backrest rotation shaft 3; an adjusting mechanism 4; adjusting the rotary table 4-1; 4-2 of worm; 4-3 of a lever frame plate; 4-4 parts of worm wheel; 4-5 of a transmission shaft; 4-6 parts of gear; 4-7 of a bearing plate; a retractable pedal 5; a pedal body 5-1; 5-1-1 of a transverse pedal; a rectangular through hole 5-1-2; an auxiliary pallet assembly 5-1-3; an L-shaped bracket 5-1-3-1; a guide column 5-1-3-2; 5-1-3-3 parts of a contraction pipe; 5-1-3-4 parts of an external thread rod; 5-1-3-5 parts of an internal thread sleeve; 5-1-3-6 of a rotating block; 5-1-3-7 of a supporting plate body; a rack 5-2; a limiting plate 5-3; a vertical link 5-4; 5-5 parts of a transverse sliding rod; a linkage rod 6; a push-pull connecting rod 6-1; a push-pull shaft 6-2; 6-3 of a rotating arm; 6-4 parts of a push-pull sliding block; a traveling wheel assembly 7; a fixed seat plate 7-1; a traveling wheel body 7-2; a positioning mechanism 8; a front belt wheel 8-1; a rear belt wheel 8-2; 8-3 of a belt; 8-4 of a linkage shaft; 8-5 of a linkage gear; 8-6 parts of a rear frame plate; 8-7 of a lifting rack; 8-8 parts of an upper baffle plate; positioning a top plate 8-9; and 8-10 parts of a guide frame.

Detailed Description

The present invention is described in further detail below with reference to figures 1-12.

The first embodiment is as follows:

as shown in fig. 1-12, a rosewood sofa comprises a sofa body 1, a sofa backrest 2, a backrest rotating shaft 3, an adjusting mechanism 4, a telescopic pedal 5 and a linkage rod 6, wherein a pedal accommodating groove 1-1, a T-shaped sliding groove 1-2 and a sliding rod groove 1-3 are arranged at the middle end of the front side surface of the sofa body 1, and the rear side of the pedal accommodating groove 1-1 is communicated with the T-shaped sliding groove 1-2 and the sliding rod groove 1-3; the sliding rod groove 1-3 is positioned on the left side of the lower end of the T-shaped sliding groove 1-2; the lower end of the left side surface of the sofa body 1 is provided with a horizontal sliding hole 1-5, and the inner side of the horizontal sliding hole 1-5 is communicated with a sliding rod groove 1-3; the lower end of the sofa backrest 2 is rotatably connected with the rear end of the sofa body 1 through a backrest rotating shaft 3; the left end of the adjusting mechanism 4 is fixedly connected to the rear end of the inner side of the pedal accommodating groove 1-1, and the right end of the adjusting mechanism 4 is fixedly connected to the right side surface of the sofa body 1; the adjusting mechanism 4 is in transmission connection with a telescopic pedal 5; the telescopic pedal 5 is connected in the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 in a sliding fit manner; the telescopic pedal 5 is connected with the front end of the linkage rod 6, the rear end of the linkage rod 6 is fixedly connected to the backrest rotating shaft 3, and the linkage rod 6 is connected in the sliding rod grooves 1-3 in a sliding fit mode. When the rosewood sofa is used, the adjusting mechanism 4 can be used for adjusting the telescopic pedal 5 to slide out of the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 to a position under feet of a user sitting and leaning on the rosewood sofa, the linkage rod 6 can be used for driving the backrest rotating shaft 3 to rotate when the telescopic pedal 5 slides forwards, so that the backrest rotating shaft 3 can drive the sofa backrest 2 to incline backwards, the included angle between the sofa body 1 and the sofa backrest 2 can be changed, and the user sitting and leaning on the rosewood sofa is more comfortable; the adjusting mechanism 4 can realize self-locking of the position after adjusting the position of the telescopic pedal 5, and prevent the telescopic pedal 5 from moving or prevent the angle of the sofa backrest 2 from changing.

The second embodiment is as follows:

as shown in fig. 1-12, the adjusting mechanism 4 comprises an adjusting turntable 4-1, a worm 4-2, a rod frame plate 4-3, a worm wheel 4-4, a transmission shaft 4-5, a gear 4-6 and a shaft seat plate 4-7; the axes of the adjusting turntable 4-1 and the worm 4-2 are collinear and are provided with axial positioning; the axes of the worm wheel 4-4, the transmission shaft 4-5 and the gear 4-6 are collinear and are provided with axial positioning; the adjusting turntable 4-1 is fixedly connected to the top end of the worm 4-2, and the worm 4-2 is connected to the rod frame plate 4-3 in a rotating fit manner through a bearing with a seat; the rod frame plate 4-3 is fixedly connected to the right side surface of the sofa body 1; the worm 4-2 is in meshed transmission connection with the worm wheel 4-4; the worm wheel 4-4 is fixedly connected to the right end of the transmission shaft 4-5, and the right end of the transmission shaft 4-5 is connected to the right side surface of the sofa body 1 in a rotating fit manner through a bearing with a seat; the left end of the transmission shaft 4-5 is connected to the two shaft seat plates 4-7 in a rotating fit manner through a bearing with a seat, and the two shaft seat plates 4-7 are fixedly connected to the rear end of the inner side of the pedal accommodating groove 1-1; the transmission shaft 4-5 is fixedly connected with a gear 4-6, and the gear 4-6 is positioned between the two shaft base plates 4-7; the gears 4-6 are in meshed transmission connection with a telescopic pedal 5. When the adjusting mechanism 4 is used, the adjusting mechanism can be adjusted by rotating the adjusting turntable 4-1, the adjusting turntable 4-1 can drive the worm 4-2 to rotate when rotating, the worm 4-2 can drive the worm wheel 4-4 to rotate when rotating, the worm wheel 4-4 can drive the transmission shaft 4-5 to rotate around the axis of the transmission shaft, the transmission shaft 4-5 can drive the gear 4-6 to rotate when rotating, and the gear 4-6 can drive the telescopic pedal 5 to slide out of or contract into the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 when rotating; the worm 4-2 and the worm wheel 4-4 are structurally arranged, so that the adjusting mechanism 4 can realize self-locking fixation of the position of the telescopic pedal 5 after adjusting the telescopic pedal 5.

The third concrete implementation mode:

as shown in fig. 1-12, the retractable pedal 5 comprises a pedal body 5-1, a rack 5-2, a limit plate 5-3, a vertical link 5-4 and a horizontal slide rod 5-5; the rack 5-2 is fixedly connected to the middle end of the bottom surface of the pedal body 5-1; the lower end of the rack 5-2 is engaged with a gear 4-6; the front end and the rear end of the rack 5-2 are respectively fixedly connected with a limiting plate 5-3, and the gear 4-6 is positioned between the two limiting plates 5-3; the front end of the left side of the bottom surface of the pedal body 5-1 is fixedly connected with the upper end of a vertical link rod 5-4, the lower end of the vertical link rod 5-4 is fixedly connected with the front end of a transverse slide rod 5-5, and the transverse slide rod 5-5 is connected in a slide rod groove 1-3 in a sliding fit manner; the rear end of the transverse sliding rod 5-5 is fixedly connected with the front end of the linkage rod 6; the pedal body 5-1, the rack 5-2 and the limiting plate 5-3 are connected in the pedal accommodating groove 1-1 and the T-shaped sliding groove 1-2 in a sliding fit manner. When the telescopic pedal 5 is used, the foot of a user sitting on the telescopic pedal is supported; the position of the telescopic pedal 5 can be adjusted through the adjusting mechanism 4, and the telescopic pedal 5 is driven to slide out of or contract into the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 from the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3; the gear 4-6 can drive the rack 5-2 to perform displacement motion in the front-back direction when rotating, the rack 5-2 can be matched with the pedal body 5-1 to perform sliding in the T-shaped sliding groove 1-2 in the front-back direction when moving, the transverse sliding rod 5-5 can be driven by the vertical connecting rod 5-4 to perform sliding in the front-back direction in the sliding rod groove 1-3 when the pedal body 5-1 performs sliding in the front-back direction, the linkage rod 6 can be driven to work when the transverse sliding rod 5-5 performs sliding in the front-back direction in the sliding rod groove 1-3, so that the backrest rotating shaft 3 is driven by the linkage rod 6 to rotate, and the adjustment of the angle of the sofa backrest 2 is realized; the sliding rod groove 1-3 can play a role in guiding and limiting, so that the pedal body 5-1 and the rack 5-2 are always kept in a horizontal state, and the pedal body 5-1 and the rack 5-2 are prevented from deflecting; the two limit plates 5-3 play a role of limiting and blocking and prevent the gear 4-6 and the rack 5-2 from being separated.

The fourth concrete implementation mode:

as shown in fig. 1-12, the linkage rod 6 comprises a push-pull connecting rod 6-1, a push-pull shaft 6-2, a rotating arm 6-3 and a push-pull sliding block 6-4; the rear end of the transverse sliding rod 5-5 is fixedly connected with one end of a push-pull sliding block 6-4, the other end of the push-pull sliding block 6-4 is fixedly connected with the front end of a push-pull connecting rod 6-1, and the middle end of the push-pull sliding block 6-4 is connected in the horizontal sliding hole 1-5 in a sliding fit manner; the rear end of the push-pull connecting rod 6-1 is fixedly connected with a push-pull shaft 6-2; the push-pull shaft 6-2 is connected in a sliding fit manner in a groove-shaped through hole at the lower end of the rotating arm 6-3; the upper end of the rotating arm 6-3 is fixedly connected to the backrest rotating shaft 3. When the linkage rod 6 is used, the push-pull sliding block 6-4 slides in the front-back direction in the horizontal sliding hole 1-5 under the driving of the transverse sliding rod 5-5, and when the push-pull sliding block 6-4 slides, the push-pull shaft 6-2 can be pulled through the push-pull connecting rod 6-1 to move in the front-back direction, so that the position of the push-pull shaft 6-2 in the groove-shaped through hole at the lower end of the rotating arm 6-3 is adjusted, the rotating arm 6-3 is driven to perform surrounding movement by taking the axis of the backrest rotating shaft 3 as an axis, the backrest rotating shaft 3 is driven to rotate, and the inclination angle of the sofa backrest 2 is further adjusted.

The fifth concrete implementation mode:

as shown in fig. 1-12, the rosewood sofa further comprises a road wheel assembly 7; four walking wheel assemblies 7 are arranged, and the four walking wheel assemblies 7 are fixedly connected to four corners of the bottom surface of the sofa body 1 respectively. The arrangement of the road wheel assembly 7 facilitates the movement of the invention.

The walking wheel assembly 7 comprises a fixed seat plate 7-1 and a walking wheel body 7-2; the fixed seat plate 7-1 is fixedly connected to the sofa body 1; the walking wheel body 7-2 is connected to the bottom end of the fixed seat plate 7-1 in a rotating fit mode. The fixed seat plate 7-1 and the travelling wheel body 7-2 are structurally arranged, so that the travelling wheel assembly 7 in the travelling wheel assembly is convenient to disassemble, and the travelling wheel body 7-2 is convenient to overhaul and maintain.

The sixth specific implementation mode:

as shown in fig. 1-12, the rosewood sofa further comprises a positioning mechanism 8; the positioning mechanism 8 comprises a front belt wheel 8-1, a rear belt wheel 8-2, a belt 8-3, a linkage shaft 8-4, a linkage gear 8-5, a rear frame plate 8-6, a lifting rack 8-7, an upper baffle 8-8, a positioning top plate 8-9 and a guide frame 8-10; the guide frame 8-10 is fixedly connected to the rear side face of the sofa body 1, the linkage gear 8-5 is connected to the guide frame 8-10 in a sliding fit mode, and the guide frame 8-10 is located between the upper baffle 8-8 and the positioning top plate 8-9; the front belt wheel 8-1 is fixedly connected to the transmission shaft 4-5, and the front belt wheel 8-1 is in transmission connection with the rear belt wheel 8-2 through a belt 8-3; the rear belt wheel 8-2 is fixedly connected to the linkage shaft 8-4; the linkage shaft 8-4 is connected to the rear frame plate 8-6 in a rotating fit manner through a bearing with a seat, and the rear frame plate 8-6 is fixedly connected to the rear side face of the sofa body 1; the middle end of the front side surface of the sofa body 1 is provided with belt through holes 1-4; the belt 8-3 passes through the belt perforation 1-4; the linkage gear 8-5 is fixedly connected to the linkage shaft 8-4; the linkage gear 8-5 is meshed with the front end of the transmission lifting rack 8-7; the upper end and the lower end of the lifting rack 8-7 are respectively and fixedly connected with an upper baffle 8-8 and a positioning top plate 8-9. When the positioning mechanism 8 is used, the transmission shaft 4-5 rotates anticlockwise to drive the gear 4-6 to rotate anticlockwise, so that the gear 4-6 drives the rack 5-2 to move forwards, the transmission shaft 4-5 drives the front belt wheel 8-1 to rotate anticlockwise, the front belt wheel 8-1 can drive the rear belt wheel 8-2 to rotate anticlockwise around the axis of the front belt wheel 8-3 when rotating anticlockwise, the rear belt wheel 8-2 can drive the linkage gear 8-5 to rotate anticlockwise through the linkage shaft 8-4 when rotating anticlockwise, the linkage gear 8-5 can drive the lifting rack 8-7 to slide downwards in the guide frame 8-10 when rotating anticlockwise, so that the lifting rack 8-7 drives the positioning top plate 8-9 to be pushed against the ground, the invention realizes the fixation of the whole position of the invention after the sofa backrest 2 and the telescopic pedal 5, and is convenient for a user to lie on the invention.

The seventh embodiment:

as shown in fig. 1-12, the pedal body 5-1 comprises a cross pedal 5-1-1, a rectangular through hole 5-1-2 and an auxiliary splint component 5-1-3; the transverse pedal 5-1-1 is fixedly connected to the top end of the rack 5-2; two parallel rectangular through holes 5-1-2 are formed in the transverse pedal 5-1-1; the auxiliary supporting plate component 5-1-3 comprises an L-shaped bracket 5-1-3-1, a guide column 5-1-3-2, a contraction pipe 5-1-3-3, an external thread rod 5-1-3-4, an internal thread sleeve 5-1-3-5, a rotating block 5-1-3-6 and a supporting plate body 5-1-3-7; the L-shaped bracket 5-1-3-1 is fixedly connected to the bottom end of the cross pedal 5-1-1; the guide column 5-1-3-2 is in sliding fit in the contraction pipe 5-1-3-3, the top end of the guide column 5-1-3-2 is fixedly connected with the supporting plate body 5-1-3-7, and the supporting plate body 5-1-3-7 is in clearance fit connection in the rectangular through hole 5-1-2; the bottom end of the contraction pipe 5-1-3-3 is fixedly connected to the L-shaped bracket 5-1-3-1; the top end of the external thread rod 5-1-3-4 is fixedly connected with the supporting plate body 5-1-3-7, the external thread rod 5-1-3-4 is connected in the internal thread sleeve 5-1-3-5 through threads, and the internal thread sleeve 5-1-3-5 is connected on the L-shaped bracket 5-1-3-1 in a rotating fit manner through a bearing with a seat; the bottom end of the internal thread sleeve 5-1-3-5 is fixedly connected with a rotating block 5-1-3-6. When the pedal body 5-1 is used, the legs of a user can be supported by adjusting the auxiliary supporting plate assembly 5-1-3, so that the user can lie on the invention; when the adjustable support plate is adjusted, the rotating block 5-1-3-6 can drive the internal thread sleeve 5-1-3-5 to rotate around the axis of the internal thread sleeve, and the depth of the external thread rod 5-1-3-4 inserted into the internal thread sleeve 5-1-3-5 is changed when the internal thread sleeve 5-1-3-5 rotates, so that the support plate body 5-1-3-7 is driven to rise or fall in the rectangular through hole 5-1-2, the height of the support plate body 5-1-3-7 can support the legs of a user, and the comfort degree of the adjustable support plate is improved conveniently; the guide columns 5-1-3-2 and the contraction pipes 5-1-3-3 play a role in guiding and prevent the supporting plate bodies 5-1-3-7 from deflecting in the lifting process.

The working principle of the invention is as follows: when the rosewood sofa is used, the adjusting mechanism 4 can be used for adjusting the telescopic pedal 5 to slide out of the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 to a position under feet of a user sitting and leaning on the rosewood sofa, the linkage rod 6 can be used for driving the backrest rotating shaft 3 to rotate when the telescopic pedal 5 slides forwards, so that the backrest rotating shaft 3 can drive the sofa backrest 2 to incline backwards, the included angle between the sofa body 1 and the sofa backrest 2 can be changed, and the user sitting and leaning on the rosewood sofa is more comfortable; the adjusting mechanism 4 can realize self-locking of the position after adjusting the position of the telescopic pedal 5, and prevent the telescopic pedal 5 from moving or prevent the angle of the sofa backrest 2 from changing; when the adjusting mechanism 4 is used, the adjusting mechanism can be adjusted by rotating the adjusting turntable 4-1, the adjusting turntable 4-1 can drive the worm 4-2 to rotate when rotating, the worm 4-2 can drive the worm wheel 4-4 to rotate when rotating, the worm wheel 4-4 can drive the transmission shaft 4-5 to rotate around the axis of the transmission shaft, the transmission shaft 4-5 can drive the gear 4-6 to rotate when rotating, and the gear 4-6 can drive the telescopic pedal 5 to slide out of or contract into the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 when rotating; the worm 4-2 and the worm wheel 4-4 are structurally arranged, so that the adjusting mechanism 4 can realize self-locking fixation of the position of the telescopic pedal 5 after adjusting the telescopic pedal 5; when the telescopic pedal 5 is used, the foot of a user sitting on the telescopic pedal is supported; the position of the telescopic pedal 5 can be adjusted through the adjusting mechanism 4, and the telescopic pedal 5 is driven to slide out of or contract into the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3 from the pedal accommodating groove 1-1, the T-shaped sliding groove 1-2 and the sliding rod groove 1-3; the gear 4-6 can drive the rack 5-2 to perform displacement motion in the front-back direction when rotating, the rack 5-2 can be matched with the pedal body 5-1 to perform sliding in the T-shaped sliding groove 1-2 in the front-back direction when moving, the transverse sliding rod 5-5 can be driven by the vertical connecting rod 5-4 to perform sliding in the front-back direction in the sliding rod groove 1-3 when the pedal body 5-1 performs sliding in the front-back direction, the linkage rod 6 can be driven to work when the transverse sliding rod 5-5 performs sliding in the front-back direction in the sliding rod groove 1-3, so that the backrest rotating shaft 3 is driven by the linkage rod 6 to rotate, and the adjustment of the angle of the sofa backrest 2 is realized; the sliding rod groove 1-3 can play a role in guiding and limiting, so that the pedal body 5-1 and the rack 5-2 are always kept in a horizontal state, and the pedal body 5-1 and the rack 5-2 are prevented from deflecting; the two limit plates 5-3 play a role of limiting and blocking, and prevent the gear 4-6 and the rack 5-2 from being separated; when the linkage rod 6 is used, the push-pull sliding block 6-4 is driven by the transverse sliding rod 5-5 to slide in the horizontal sliding hole 1-5 in the front-back direction, and when the push-pull sliding block 6-4 slides, the push-pull shaft 6-2 can be pulled by the push-pull connecting rod 6-1 to move in the front-back direction, so that the position of the push-pull shaft 6-2 in the groove-shaped through hole at the lower end of the rotating arm 6-3 is adjusted, the rotating arm 6-3 is driven to perform surrounding movement by taking the axis of the backrest rotating shaft 3 as an axis, the backrest rotating shaft 3 is driven to rotate, and the inclination angle of the sofa backrest 2 is further adjusted; when the positioning mechanism 8 is used, the transmission shaft 4-5 rotates anticlockwise to drive the gear 4-6 to rotate anticlockwise, so that the gear 4-6 drives the rack 5-2 to move forwards, the transmission shaft 4-5 drives the front belt wheel 8-1 to rotate anticlockwise, the front belt wheel 8-1 can drive the rear belt wheel 8-2 to rotate anticlockwise around the axis of the front belt wheel 8-3 when rotating anticlockwise, the rear belt wheel 8-2 can drive the linkage gear 8-5 to rotate anticlockwise through the linkage shaft 8-4 when rotating anticlockwise, the linkage gear 8-5 can drive the lifting rack 8-7 to slide downwards in the guide frame 8-10 when rotating anticlockwise, so that the lifting rack 8-7 drives the positioning top plate 8-9 to be pushed against the ground, the invention realizes the fixation of the whole position of the invention after the sofa backrest 2 and the telescopic pedal 5, and is convenient for a user to lie on the invention.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a rosewood sofa, includes sofa body (1), sofa back (2), back pivot (3), adjustment mechanism (4), flexible footboard (5) and gangbar (6), its characterized in that: the middle end of the front side surface of the sofa body (1) is provided with a pedal accommodating groove (1-1), a T-shaped sliding groove (1-2) and a sliding rod groove (1-3), and the rear side of the pedal accommodating groove (1-1) is communicated with the T-shaped sliding groove (1-2) and the sliding rod groove (1-3); the sliding rod groove (1-3) is positioned on the left side of the lower end of the T-shaped sliding groove (1-2); the lower end of the left side surface of the sofa body (1) is provided with a horizontal sliding hole (1-5), and the inner side of the horizontal sliding hole (1-5) is communicated with a sliding rod groove (1-3); the lower end of the sofa backrest (2) is rotatably connected with the rear end of the sofa body (1) through a backrest rotating shaft (3); the left end of the adjusting mechanism (4) is fixedly connected to the rear end of the inner side of the pedal accommodating groove (1-1), and the right end of the adjusting mechanism (4) is fixedly connected to the right side face of the sofa body (1); the adjusting mechanism (4) is in transmission connection with a telescopic pedal (5); the telescopic pedal (5) is connected in the pedal accommodating groove (1-1), the T-shaped sliding groove (1-2) and the sliding rod groove (1-3) in a sliding fit manner; the telescopic pedal (5) is connected with the front end of the linkage rod (6), the rear end of the linkage rod (6) is fixedly connected to the backrest rotating shaft (3), and the linkage rod (6) is connected in the sliding rod groove (1-3) in a sliding fit manner;

the adjusting mechanism (4) comprises an adjusting turntable (4-1), a worm (4-2), a rod frame plate (4-3), a worm wheel (4-4), a transmission shaft (4-5), a gear (4-6) and a shaft seat plate (4-7); the adjusting turntable (4-1) is fixedly connected to the top end of the worm (4-2), and the worm (4-2) is connected to the rod frame plate (4-3) in a rotating fit manner; the rod frame plate (4-3) is fixedly connected to the right side surface of the sofa body (1); the worm (4-2) is in meshed transmission connection with a worm wheel (4-4); the worm wheel (4-4) is fixedly connected to the right end of the transmission shaft (4-5), and the right end of the transmission shaft (4-5) is connected to the right side surface of the sofa body (1) in a rotating fit manner; the left end of the transmission shaft (4-5) is connected to the two shaft seat plates (4-7) in a rotating fit manner, and the two shaft seat plates (4-7) are fixedly connected to the rear end of the inner side of the pedal accommodating groove (1-1); the transmission shaft (4-5) is fixedly connected with a gear (4-6), and the gear (4-6) is positioned between the two shaft seat plates (4-7); the gears (4-6) are in meshed transmission connection with a telescopic pedal (5);

the telescopic pedal (5) comprises a pedal body (5-1), a rack (5-2), a limiting plate (5-3), a vertical connecting rod (5-4) and a transverse sliding rod (5-5); the rack (5-2) is fixedly connected to the middle end of the bottom surface of the pedal body (5-1); the lower end of the rack (5-2) is meshed with a gear (4-6); the front end and the rear end of the rack (5-2) are respectively fixedly connected with a limiting plate (5-3), and the gear (4-6) is positioned between the two limiting plates (5-3); the front end of the left side of the bottom surface of the pedal body (5-1) is fixedly connected with the upper end of a vertical link rod (5-4), the lower end of the vertical link rod (5-4) is fixedly connected with the front end of a transverse slide rod (5-5), and the transverse slide rod (5-5) is connected in a slide rod groove (1-3) in a sliding fit manner; the rear end of the transverse sliding rod (5-5) is fixedly connected with the front end of the linkage rod (6); the pedal body (5-1), the rack (5-2) and the limiting plate (5-3) are connected in the pedal accommodating groove (1-1) and the T-shaped sliding groove (1-2) in a sliding fit manner;

the linkage rod (6) comprises a push-pull connecting rod (6-1), a push-pull shaft (6-2), a rotating arm (6-3) and a push-pull sliding block (6-4); the rear end of the transverse sliding rod (5-5) is fixedly connected with one end of a push-pull sliding block (6-4), the other end of the push-pull sliding block (6-4) is fixedly connected with the front end of a push-pull connecting rod (6-1), and the middle end of the push-pull sliding block (6-4) is connected in the horizontal sliding hole (1-5) in a sliding fit manner; the rear end of the push-pull connecting rod (6-1) is fixedly connected with a push-pull shaft (6-2); the push-pull shaft (6-2) is connected in a groove-shaped through hole at the lower end of the rotating arm (6-3) in a sliding fit manner; the upper end of the rotating arm (6-3) is fixedly connected to the backrest rotating shaft (3).

2. The rosewood sofa of claim 1, wherein: the rosewood sofa also comprises a walking wheel assembly (7); four walking wheel assemblies (7) are arranged, and the four walking wheel assemblies (7) are respectively and fixedly connected with four corners of the bottom surface of the sofa body (1).

3. The rosewood sofa of claim 2, wherein: the walking wheel assembly (7) comprises a fixed seat plate (7-1) and a walking wheel body (7-2); the fixed seat board (7-1) is fixedly connected to the sofa body (1); the walking wheel body (7-2) is connected to the bottom end of the fixed seat plate (7-1) in a rotating fit manner.

4. The rosewood sofa of claim 3, wherein: the rosewood sofa further comprises a positioning mechanism (8); the positioning mechanism (8) comprises a front belt wheel (8-1), a rear belt wheel (8-2), a belt (8-3), a linkage shaft (8-4), a linkage gear (8-5), a rear frame plate (8-6), a lifting rack (8-7), an upper baffle (8-8), a positioning top plate (8-9) and a guide frame (8-10); the guide frame (8-10) is fixedly connected to the rear side face of the sofa body (1), the linkage gear (8-5) is connected to the guide frame (8-10) in a sliding fit mode, and the guide frame (8-10) is located between the upper baffle (8-8) and the positioning top plate (8-9);

the front belt wheel (8-1) is fixedly connected to the transmission shaft (4-5), and the front belt wheel (8-1) is in transmission connection with the rear belt wheel (8-2) through a belt (8-3); the rear belt wheel (8-2) is fixedly connected to the linkage shaft (8-4); the linkage shaft (8-4) is connected to the rear frame plate (8-6) in a rotating fit manner, and the rear frame plate (8-6) is fixedly connected to the rear side face of the sofa body (1); the middle end of the front side surface of the sofa body (1) is provided with a belt perforation (1-4); the belt (8-3) passes through the belt perforation (1-4); the linkage gear (8-5) is fixedly connected to the linkage shaft (8-4); the linkage gear (8-5) is meshed with the front end of the transmission lifting rack (8-7); the upper end and the lower end of the lifting rack (8-7) are respectively fixedly connected with an upper baffle plate (8-8) and a positioning top plate (8-9).

5. The rosewood sofa of claim 4, wherein: the pedal body (5-1) comprises a transverse pedal (5-1-1), a rectangular through hole (5-1-2) and an auxiliary supporting plate assembly (5-1-3); the transverse pedal (5-1-1) is fixedly connected to the top end of the rack (5-2); two parallel rectangular through holes (5-1-2) are arranged on the transverse pedal (5-1-1); the auxiliary supporting plate assembly (5-1-3) comprises an L-shaped bracket (5-1-3-1), a guide column (5-1-3-2), a contraction pipe (5-1-3-3), an external thread rod (5-1-3-4), an internal thread sleeve (5-1-3-5), a rotating block (5-1-3-6) and a supporting plate body (5-1-3-7); the L-shaped bracket (5-1-3-1) is fixedly connected with the bottom end of the cross pedal (5-1-1); the guide columns (5-1-3-2) are in sliding fit in the contraction pipes (5-1-3-3), the top ends of the guide columns (5-1-3-2) are fixedly connected with the supporting plate bodies (5-1-3-7), and the supporting plate bodies (5-1-3-7) are in clearance fit connection in the rectangular through holes (5-1-2); the bottom end of the contraction pipe (5-1-3-3) is fixedly connected to the L-shaped bracket (5-1-3-1); the top end of the external thread rod (5-1-3-4) is fixedly connected with the supporting plate body (5-1-3-7), the external thread rod (5-1-3-4) is connected in the internal thread sleeve (5-1-3-5) through threads, and the internal thread sleeve (5-1-3-5) is connected on the L-shaped bracket (5-1-3-1) in a rotating fit manner; the bottom end of the internal thread sleeve (5-1-3-5) is fixedly connected with a rotating block (5-1-3-6).