CN115778130B - Sofa molding method capable of reducing wall leaning distance - Google Patents
Sofa molding method capable of reducing wall leaning distance Download PDFInfo
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- CN115778130B CN115778130B CN202210998312.0A CN202210998312A CN115778130B CN 115778130 B CN115778130 B CN 115778130B CN 202210998312 A CN202210998312 A CN 202210998312A CN 115778130 B CN115778130 B CN 115778130B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000000465 moulding Methods 0.000 title abstract description 7
- 238000009434 installation Methods 0.000 claims description 11
- 210000002414 leg Anatomy 0.000 description 30
- 230000036544 posture Effects 0.000 description 10
- 230000006870 function Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a sofa molding method for reducing the spacing between leaning walls, which comprises the steps of prefabricating a back connecting rod with a rotary connecting part and an installing part, wherein an obtuse included angle is formed between the rotary connecting part and the installing part, the installing part is tilted upwards in an initial state, the installing part is tilted backwards in a backward state, and the included angle between the installing part and the horizontal plane in the initial state is larger than the backward state; a fixed first connecting point is arranged for the driving rod, the driving rod rotates around the first connecting point, a fixed second connecting point is arranged for the driven rod, the driven rod rotates around the second connecting point, and the two connecting points are arranged at intervals front and back; the rotary connecting part is rotationally connected with the driving rod at a third connecting point, and the rotary connecting part is rotationally connected with the driven rod at a fourth connecting point; the driving rod is driven to rotate forwards, the back connecting rod is driven to move forwards, the driven rod rotates forwards, meanwhile, the driving rod and the driven rod enable the front end of the rotary connecting portion to ascend, the rear end of the rotary connecting portion to descend, the back connecting rod is switched to a lying posture, and the included angle between the mounting portion and the horizontal plane is reduced.
Description
Technical Field
The invention relates to the field of furniture, in particular to a sofa molding method for reducing wall-leaning distance.
Background
With the gradual increase of the requirements of people on life quality, the factors considered by consumers when selecting furniture are not limited to a single function, so that the utilization rate of the desired furniture can be maximized, and therefore, the furniture is required to have more functions, be applicable to more scenes or conditions to meet more real life requirements, such as the most common sofa or seat, the sofa seat used as leisure application is developed into more functions and application scenes, is developed towards a more comfortable, more convenient and intelligent direction, and provides functions of various modes, such as reading, office and lying rest; however, there are still many disadvantages in the multi-mode use of such sofa, for example, when the sofa is placed against a wall and the mode is switched, the back will push against the wall, resulting in the termination of the switching and even the damage of the mechanism, and therefore, the sofa must be far away from the wall; and simultaneously bring another problem, the above-mentioned motion of back often is simple rotation, can produce obvious cheaply between back and the seat when sofa switch mode, and human back when rotating along with the back, can keep away from the sensation of buttock, and the phenomenon of showing is that user's clothes can be dragged upwards, and the back can rub the back and feel, and the travelling comfort is poor.
Therefore, a method for allowing the sofa backrest to recline and simultaneously move forward is needed to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sofa molding method for reducing the spacing between the leaning walls, wherein a back connecting rod is of a common structure, a rotatable driving rod and a rotatable driven rod are respectively arranged when a rod piece is preset, the driving rod and the driven rod are both rotationally connected with the back connecting rod, and the back connecting rod does not solely rotate but does a combined motion of backward rotation and forward movement when the driving rod is driven to rotate forward at the moment, so that the problems are solved.
The technical scheme of the invention is realized as follows:
a sofa molding method for reducing the spacing between adjacent walls comprises the following steps:
Prefabricated back connecting rod: prefabricating a back connecting rod with a rotary connecting part and a mounting part, wherein the rotary connecting part is used for connecting a driving rod and a driven rod, the mounting part is used for mounting a seat back, an obtuse included angle is formed between the rotary connecting part and the mounting part, and the back connecting rod comprises an initial state and a backward tilting state; the installation part is tilted upwards in the initial state, is tilted backwards in the backward state, and the included angle between the installation part and the horizontal plane in the initial state is larger than the included angle between the installation part and the horizontal plane in the backward state;
presetting a rod position: a fixed first connecting point is arranged for the driving rod, the driving rod rotates around the first connecting point, a fixed second connecting point is arranged for the driven rod, the driven rod rotates around the second connecting point, and the first connecting point and the second connecting point are arranged at intervals front and back;
and (3) installing a back connecting rod: the rotary connecting part of the back connecting rod is rotationally connected to the driving rod and the driven rod, the rotary connecting part is rotationally connected with the driving rod at a third connecting point, and the rotary connecting part is rotationally connected with the driven rod at a fourth connecting point;
The initial state is switched to the reclined state: the driving rod is driven to rotate forwards, the driving rod drives the back connecting rod to move forwards, the driven rod also rotates forwards along with the driving rod, the front end of the rotating connecting part rises and the rear end of the rotating connecting part descends due to the driving rod and the driven rod when the back connecting rod moves forwards, the whole back connecting rod is switched to a lying posture, and the included angle between the installation part and the horizontal plane is reduced.
The prefabricated back connecting rod is of a common structure, namely the method is high in applicability and has no excessive specific requirements on the structure of the back connecting rod; when the rod piece position is preset, a rotatable driving rod and a rotatable driven rod are required to be arranged and are both in rotary connection with the back connecting rod, and the two rod pieces jointly determine the posture and the position of the back connecting rod, so that after the parameters of the driving rod and the driven rod are determined, the posture and the position of the back connecting rod are predictable, and a foundation is laid for the back connecting rod to perform preset movement; when the back connecting rod is in a switching state, the back connecting rod does not rotate around a single point, the third connecting point and the fourth connecting point drive the back connecting rod to rotate together, the rotation is more similar to torsion, and meanwhile, the driving rod and the driven rod rotate forwards to drive the back connecting rod to move forwards, so that the back rubbing and backward extension problems are solved.
Preferably, the first connection point is located at the lower end of the driving rod, the second connection point is located at the lower end of the driven rod, the third connection point is located at the upper end of the driving rod, and the fourth connection point is located at the upper end of the driven rod; the distance between the first connecting point and the second connecting point is larger than the distance between the third connecting point and the fourth connecting point, and the driving rod and the driven rod are in a closed upper end posture. The postures of the driving rod and the driven rod and the positions of the back connecting rods are mutually related and influenced, so that a set of four-bar mechanism is formed to determine the movement condition of the back connecting rods.
Preferably, in the initial state, the driving lever is inclined forward, and the driven lever is inclined backward; in the reclined state, the driven lever is switched from a rearward tilt to a forward tilt, and the driving lever is still tilted forward and at a tilt angle greater than the initial state. The inclination directions of the driving rod and the driven rod can indicate which part of the rotation outline of the rod is positioned, and therefore when the rod moves forwards, the lifting condition of the rod in the height direction can be determined, so that one end of the back connecting rod is pressed down, the other end of the back connecting rod is lifted up, and the back connecting rod is inclined backwards.
Preferably, the length of the driving rod is greater than the length of the driven rod. The length of the rod piece has a certain influence on the lifting speed, and the back end of the back connecting rod is prevented from falling too slowly, so that the backward tilting cannot be realized.
Preferably, the third connection point rotates about the first connection point and has a circular first rotation profile, the fourth connection point rotates about the second connection point and has a circular second rotation profile, the diameter of the first rotation profile being greater than the diameter of the second rotation profile; the back connecting rod is always connected with the first rotating contour and the second rotating contour, and in the initial state, the third connecting point is higher than the fourth connecting point, and when the back connecting rod is switched to the backward state, the third connecting point moves forward and the height is lowered, and the fourth connecting point moves forward and the height is raised. The third connection point and the fourth connection point can be regarded as two ends of the rotating connection part, so that the path of the rotating connection part is determined, and the back connecting rod can be changed into a lying posture by the design.
Preferably, the second connection point is higher than the first connection point and is located in front of the first connection point. The distance difference between the third connecting point and the fourth connecting point is compensated, the distance can be reduced, the distance between the third connecting point and the fourth connecting point can reach a preset value, and therefore a preset four-bar mechanism is obtained, and the back connecting rod can also perform preset movement, move forwards and lean backwards.
The design starting point, the idea and the beneficial effects of the invention adopting the technical scheme are as follows:
The prefabricated back connecting rod is of a common structure, namely the method is high in applicability and has no excessive specific requirements on the structure of the back connecting rod; when the rod piece position is preset, a rotatable driving rod and a rotatable driven rod are required to be arranged and are both in rotary connection with the back connecting rod, and the two rod pieces jointly determine the posture and the position of the back connecting rod, so that after the parameters of the driving rod and the driven rod are determined, the posture and the position of the back connecting rod are predictable, and a foundation is laid for the back connecting rod to perform preset movement; when the back connecting rod is in a switching state, the back connecting rod does not rotate around a single point, the third connecting point and the fourth connecting point drive the back connecting rod to rotate together, the rotation is more similar to torsion, and meanwhile, the driving rod and the driven rod rotate forwards to drive the back connecting rod to move forwards, so that the back rubbing and backward extension problems are solved.
Drawings
FIG. 1 is a schematic perspective view of a mechanical stretcher unit in a sitting position according to an embodiment of the present invention;
FIG. 2 is a schematic view of a four bar linkage of a base, a first back link, a second back link, and a back link together in an embodiment of the present invention;
fig. 3 is a schematic perspective view of the mechanical stretching unit in a lying state in the embodiment of the present invention;
FIG. 4 is a schematic perspective view of a mechanical stretcher in a sitting position according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of the mechanical stretcher in a lying state in an embodiment of the present invention;
FIG. 6 is a flow chart of the method according to an embodiment of the invention.
The reference numerals are as follows: a base 1; a support rail 101; a vertical rod 102; a first backrest link 2; a second backrest link 3; a backrest connecting member 4; a rotation connection portion 41; a mounting portion 42; leg rest connection 5; a driven link 6; a first extension plate 7; a second extension plate 8; a foot rest push-pull rod 10; a first leg rest link 11; a second leg rest link 12; a third leg rest link 13; fourth leg rest link 14; a fifth leg rest link 15; sixth leg rest link 16; a mounting tube 17; a first connection point 18; a second connection point 19; a third connection point 20; fourth connection point 21.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" refers to one or more, unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments of the present invention are as follows:
As shown in fig. 6, the invention provides a sofa molding method for reducing the wall-leaning distance, which comprises the following steps:
Prefabricated back connecting rod: prefabricating a back connecting rod with a rotary connecting part and a mounting part, wherein the rotary connecting part is used for connecting a driving rod and a driven rod, the mounting part is used for mounting a seat back, an obtuse included angle is formed between the rotary connecting part and the mounting part, and the back connecting rod comprises an initial state and a backward tilting state; the installation part is tilted upwards in the initial state, is tilted backwards in the backward state, and the included angle between the installation part and the horizontal plane in the initial state is larger than the included angle between the installation part and the horizontal plane in the backward state;
Presetting a rod position: a fixed first connecting point 18 is arranged for the driving rod, the driving rod rotates around the first connecting point 18, a fixed second connecting point 19 is arranged for the driven rod, the driven rod rotates around the second connecting point 19, and the first connecting point 19 and the second connecting point 19 are arranged at intervals front and back;
And (3) installing a back connecting rod: the rotary connecting part of the back connecting rod is rotationally connected to the driving rod and the driven rod, the rotary connecting part is rotationally connected with the driving rod at a third connecting point 20, and the rotary connecting part is rotationally connected with the driven rod at a fourth connecting point 21;
The initial state is switched to the reclined state: the driving rod is driven to rotate forwards, the driving rod drives the back connecting rod to move forwards, the driven rod also rotates forwards along with the driving rod, the front end of the rotating connecting part rises and the rear end of the rotating connecting part descends due to the driving rod and the driven rod when the back connecting rod moves forwards, the whole back connecting rod is switched to a lying posture, and the included angle between the installation part and the horizontal plane is reduced.
Further, as shown in fig. 2, the first connection point 18 is located at the lower end of the driving rod, the second connection point 19 is located at the lower end of the driven rod, the third connection point 20 is located at the upper end of the driving rod, and the fourth connection point 21 is located at the upper end of the driven rod; the distance between the first connecting point 18 and the second connecting point 19 is larger than the distance between the third connecting point 20 and the fourth connecting point 21, and the driving rod and the driven rod are in a closed upper end posture; in the initial state, the driving rod tilts forward, and the driven rod tilts backward; in the reclined state, the driven lever is switched from a rearward tilt to a forward tilt, and the driving lever is still tilted forward and at a tilt angle greater than the initial state.
The length of the driving rod is longer than that of the driven rod, and the second connecting point 19 is higher than the first connecting point 18 and is positioned in front of the first connecting point 18; the third connection point 20 rotates about the first connection point 18 and has a circular first rotation profile, the fourth connection point 21 rotates about the second connection point 19 and has a circular second rotation profile, the diameter of the first rotation profile being greater than the diameter of the second rotation profile; the back link is always connected with the first rotating profile and the second rotating profile, and in the initial state, the third connecting point 20 is higher than the fourth connecting point 21, and when the back link is switched to the backward state, the third connecting point 20 moves forward and the height is lowered, and the fourth connecting point 21 moves forward and the height is raised.
As shown in fig. 1 and 2, there is provided a mechanical stretching unit including a base 1, a first backrest link 2, a second backrest link 3, and a backrest link 4; the base 1 is configured as a main body support of a mechanical stretching unit, the first backrest connecting rod 2 is positioned at the rear end part of the base 1 and is in rotary connection with the base 1, the second backrest connecting rod 3 is positioned at the rear part of the base 1 and is in rotary connection with the base 1, and the rotary connection point of the second backrest connecting rod 3 and the base 1 is positioned in front of the rotary connection point of the first backrest connecting rod 2 and the base 1; the backrest connecting piece 4 is configured to connect a sofa backrest to support the back of a human body; the backrest connecting piece 4 is hinged with the upper ends of the first backrest connecting rod 2 and the second backrest connecting rod 3, and the rotation connecting point of the second backrest connecting rod 3 and the backrest connecting piece 4 is positioned in front of the rotation connecting point of the first backrest connecting rod 2 and the backrest connecting piece 4; the base 1, the first backrest link 2, the second backrest link 3, and the backrest link 4 together constitute a four-bar mechanism configured to move the upper end of the backrest link 4 forward integrally while rotating downward.
The back connecting rod is a back connecting piece 4, the driving rod is a part of the first back connecting rod 2, and the driven piece is a second back connecting rod 3.
The four-bar mechanism consisting of the base 1, the first backrest connecting rod 2, the second backrest connecting rod 3 and the backrest connecting piece 4 changes the backrest connecting piece 4 from single-point rotation movement to combined rotation and movement, namely, when the sofa is switched to a lying state, the backrest connecting piece 4 drives the backrest to lean forward while driving the backrest to lean forward, thereby reducing the back rubbing sense, avoiding the defect of the backrest to lean backward and prolonging the length of the sofa, and the sofa does not need to be far away from a wall surface when being placed.
Specifically, as shown in fig. 1 and 3, the mechanical extension unit further includes a leg rest connector 5, a leg rest link assembly, and a driven link 6; leg rest connector 5 is configured to connect a sofa leg rest, leg rest connector 5 being mounted on a leg rest linkage assembly; the base 1 is a generally L-shaped rod piece and comprises a support cross rod 101 arranged along the front-back direction and a vertical rod 102 positioned at the rear end of the support cross rod 101 and extending downwards, the support cross rod 101 is used for connecting a sofa seat and keeps fixed, the foot rest connecting rod assembly is retractably arranged at the front end part of the support cross rod 101, the foot rest connecting rod assembly is configured to drive the foot rest connecting piece 5 to expand when being extended, and drive the foot rest connecting piece 5 to retract when being contracted; the driven connecting rod 6 is a straight rod, the front end and the rear end of the driven connecting rod are respectively connected with the foot rest connecting rod assembly and the first backrest connecting rod 2, and the driven connecting rod 6 is configured to enable the first backrest connecting rod 2 and the foot rest connecting rod assembly to be linked.
The support cross bar 101 positioned at the front side of the vertical bar 102 is fixedly provided with a first extension plate 7, the first extension plate 7 faces downwards and protrudes downwards from the support cross bar 101, the first backrest connecting rod 2 is approximately L-shaped, the second backrest connecting rod 3 is a straight bar, the backrest connecting piece 4 comprises a rotary connecting part 41 for connecting the first backrest connecting rod 2 and the second backrest connecting rod 3 and a mounting part 42 for mounting a sofa backrest, and an obtuse angle included angle is formed between the rotary connecting part 41 and the mounting part 42; the upper end part of the first backrest connecting rod 2 is rotationally connected with the backrest connecting piece 4, the lower end part of the first backrest connecting rod 2 is rotationally connected with the rear end part of the driven connecting rod 6, and the corner part between the upper end part and the lower end part of the first backrest connecting rod 2 is rotationally connected with the lower end part of the first extension plate 7 of the base 1; the connection point of the first backrest connecting rod 2 and the backrest connecting piece 4 is close to the rear end of the rotation connecting part 41, and the connection point of the upper end part of the second backrest connecting rod 3 and the backrest connecting piece 4 is close to the front end of the rotation connecting part 41; when the driven link 6 moves backward, the backrest link 4 is reclined and moved forward while the leg rest link 5 is gradually unfolded.
In the four-bar mechanism consisting of the base 1, the first backrest connecting rod 2, the second backrest connecting rod 3 and the backrest connecting piece 4, the base 1 is used as a fixed frame, the first backrest connecting rod 2 is used as a driving side link, the second backrest connecting rod 3 is used as a driven side link, and the backrest connecting piece 4 is a connecting rod, so that the first backrest connecting rod 2and the second backrest connecting rod 3 can only rotate relative to the base 1, and the backrest connecting piece 4 can rotate relative to the base 1 and can also move relative to the base 1 due to different lengths of the first backrest connecting rod 2and the second backrest connecting rod 3, thereby achieving the effects.
Still further, as shown in fig. 3, the leg rest link assembly includes a leg rest push-pull rod 10, a first leg rest link 11, a second leg rest link 12, a third leg rest link 13, a fourth leg rest link 14, a fifth leg rest link 15, and a sixth leg rest link 16, a second extension plate 8 is provided at a front end portion of the support rail 101, the second extension plate 8 also faces downward and protrudes downward from the support rail 101, a corner is provided between front and rear ends of the leg rest push-pull rod 10, the leg rest push-pull rod 10 is rotatably connected at the corner thereof with a lower end portion of the second extension plate 8 on the base 1, a rear end portion of the leg rest push-pull rod 10 is rotatably connected with a front end portion of the driven link 6, a front end portion of the leg rest push-pull rod 10 is rotatably connected with one end of the first leg rest link 11, and the other end of the first leg rest link 11 is rotatably connected with one end of the third leg rest link 13; one end of the second foot rest connecting rod 12 is rotatably connected to the front end of the base 1, and a rotation connecting point of the second foot rest connecting rod 12 and the base 1 is positioned in front of the second extension plate 8; the other end of the second foot rest connecting rod 12 is rotationally connected with the fourth foot rest connecting rod 14, the first foot rest connecting rod 11 and the second foot rest connecting rod 12 are rotationally connected at the middle parts of the first foot rest connecting rod and the second foot rest connecting rod, and the third foot rest connecting rod 13 and the fourth foot rest connecting rod 14 are rotationally connected at the middle parts of the first foot rest connecting rod and the second foot rest connecting rod; the other end of the third foot rest connecting rod 13 is rotationally connected with one end of a fifth foot rest connecting rod 15, the other end of the fourth foot rest connecting rod 14 is rotationally connected with one end of a sixth foot rest connecting rod 16, the other end of the fifth foot rest connecting rod 15 is rotationally connected with the middle part of the sixth foot rest connecting rod 16, and the sixth foot rest connecting rod 16 is connected with the foot rest connecting piece 5; the foot rest connecting rod assembly realizes the telescopic function through the connecting mode.
As shown in fig. 4 and 5, there is further provided a mechanical stretching device, which includes an actuator (not shown) and two sets of the mechanical stretching units, wherein the two sets of the mechanical stretching units are arranged at a left-right interval, two mounting pipes 17 are arranged between the two sets of the mechanical stretching units, the two mounting pipes 17 are arranged along a left-right direction and are arranged at a front-back interval, two ends of the actuator are respectively hinged to the two mounting pipes 17, and when the actuator is started and stretches, the actuator drives one of the mounting pipes 17 to move, and the mounting pipes 17 drive the mechanical stretching units to move; the mounting tube 17 can be mounted between the follower links 6, between the first backrest links 2 or between the leg rest push-pull rods 10.
Claims (1)
1. A method for reducing the spacing between the walls of a sofa and improving the comfort, which is characterized by comprising the following steps:
Prefabricated back connecting rod: prefabricating a back connecting rod with a rotary connecting part and a mounting part, wherein the rotary connecting part is used for connecting a driving rod and a driven rod, the mounting part is used for mounting a seat back, an obtuse included angle is formed between the rotary connecting part and the mounting part, and the back connecting rod comprises an initial state and a backward tilting state; the installation part is tilted upwards in the initial state, is tilted backwards in the backward state, and the included angle between the installation part and the horizontal plane in the initial state is larger than the included angle between the installation part and the horizontal plane in the backward state;
presetting a rod position: a fixed first connecting point is arranged for the driving rod, the driving rod rotates around the first connecting point, a fixed second connecting point is arranged for the driven rod, the driven rod rotates around the second connecting point, and the first connecting point and the second connecting point are arranged at intervals front and back;
and (3) installing a back connecting rod: the rotary connecting part of the back connecting rod is rotationally connected to the driving rod and the driven rod, the rotary connecting part is rotationally connected with the driving rod at a third connecting point, and the rotary connecting part is rotationally connected with the driven rod at a fourth connecting point;
The initial state is switched to the reclined state: the driving rod is driven to rotate forwards, the driving rod drives the back connecting rod to move forwards, the driven rod also rotates forwards along with the driving rod, the driving rod and the driven rod enable the front end of the rotating connecting part to ascend and the rear end of the rotating connecting part to descend simultaneously, the whole back connecting rod is switched to a lying posture, and the included angle between the mounting part and the horizontal plane is reduced;
The first connecting point is positioned at the lower end part of the driving rod, the second connecting point is positioned at the lower end part of the driven rod, the third connecting point is positioned at the upper end part of the driving rod, and the fourth connecting point is positioned at the upper end part of the driven rod; the distance between the first connecting point and the second connecting point is larger than the distance between the third connecting point and the fourth connecting point, and the driving rod and the driven rod are in a closed state at the upper ends; in the initial state, the driving rod tilts forward, and the driven rod tilts backward; in the backward tilting state, the driven rod is switched from backward tilting to forward tilting, and the driving rod is still tilted forward and the tilting angle is larger than that of the initial state;
The length of the driving rod is longer than that of the driven rod; the third connecting point rotates around the first connecting point and has a circular first rotating contour, the fourth connecting point rotates around the second connecting point and has a circular second rotating contour, and the diameter of the first rotating contour is larger than that of the second rotating contour; the back connecting rod is always connected with the first rotating contour and the second rotating contour, in an initial state, the third connecting point is higher than the fourth connecting point, when the back connecting rod is switched to a backward state, the third connecting point moves forward and the height is lowered, and the fourth connecting point moves forward and the height is raised; the second connection point is higher than the first connection point and is positioned in front of the first connection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998312.0A CN115778130B (en) | 2022-08-19 | 2022-08-19 | Sofa molding method capable of reducing wall leaning distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998312.0A CN115778130B (en) | 2022-08-19 | 2022-08-19 | Sofa molding method capable of reducing wall leaning distance |
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| Publication Number | Publication Date |
|---|---|
| CN115778130A CN115778130A (en) | 2023-03-14 |
| CN115778130B true CN115778130B (en) | 2024-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210998312.0A Active CN115778130B (en) | 2022-08-19 | 2022-08-19 | Sofa molding method capable of reducing wall leaning distance |
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| CN (1) | CN115778130B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN220800548U (en) * | 2023-08-28 | 2024-04-19 | 一么么科技(浙江)有限公司 | Electromechanical stretching device and electric seat thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419259A (en) * | 2016-06-29 | 2017-02-22 | 浙江恒林椅业股份有限公司 | Anti-falling dual-motor functional sofa |
| CN114794778A (en) * | 2022-04-21 | 2022-07-29 | 浙江锴创科技有限公司 | Stretching device and movable sofa |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10010185B2 (en) * | 2015-09-16 | 2018-07-03 | La-Z-Boy Incorporated | Sofa having powered ottoman |
| KR102058559B1 (en) * | 2018-03-15 | 2020-02-07 | 이연선 | Reclining sofa |
| CN214631129U (en) * | 2020-07-02 | 2021-11-09 | 永艺家具股份有限公司 | Frame structure of multifunctional leisure chair |
| CN216316592U (en) * | 2021-02-03 | 2022-04-19 | 永艺家具股份有限公司 | Mechanical extension unit of seat |
| CN216316590U (en) * | 2021-08-18 | 2022-04-19 | 锐迈机械科技（吴江）有限公司 | Seat adjusting device and seat unit |
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2022
- 2022-08-19 CN CN202210998312.0A patent/CN115778130B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106419259A (en) * | 2016-06-29 | 2017-02-22 | 浙江恒林椅业股份有限公司 | Anti-falling dual-motor functional sofa |
| CN114794778A (en) * | 2022-04-21 | 2022-07-29 | 浙江锴创科技有限公司 | Stretching device and movable sofa |
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|---|---|
| CN115778130A (en) | 2023-03-14 |
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