CN218515473U - Roller type electric sofa iron frame - Google Patents
Roller type electric sofa iron frame Download PDFInfo
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- CN218515473U CN218515473U CN202222656150.0U CN202222656150U CN218515473U CN 218515473 U CN218515473 U CN 218515473U CN 202222656150 U CN202222656150 U CN 202222656150U CN 218515473 U CN218515473 U CN 218515473U
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- connecting rod
- roller
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Abstract
The utility model discloses an electronic sofa iron stand of roller type, include: a lifting frame; a seat frame support which moves back and forth relative to the lifting frame; two sets of link mechanisms for connecting the seat frame supporting member to the lifting frame; two sets of link mechanism all includes: a link mechanism body, a roller link and a roller pair; the roller pair consists of two rollers which are arranged up and down, and is arranged on the connecting rod mechanism main body; one end of the roller connecting rod is rotatably connected with the seat frame supporting piece, the middle part of the roller connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the roller connecting rod is positioned between the two rollers, a first groove is arranged on the surface, in contact with the roller connecting rod, of the upper roller, a second groove is arranged on the surface, in contact with the roller connecting rod, of the lower roller, the first groove is arranged at a position, behind the arrangement position of the second groove, and along with the movement of the seat frame supporting piece, the roller connecting rod moves to enable the upper roller to enter/exit the first groove and enable the lower roller to enter/exit the second groove.
Description
Technical Field
The utility model belongs to the technical field of furniture manufacturing, concretely relates to electronic sofa iron stand of roller type.
Background
The electric deck chair sofa is an electrified sofa capable of automatically lying, the surface is generally covered by leather, the middle is filled by sponge, and the main structure is supported by a telescopic deck chair iron frame, so that the sofa has fashionable style and attractive appearance and is widely applied to places such as families, companies and the like.
Traditional electronic sofa support includes seat frame support frame, foot support, back support, lift frame and one set of link mechanism, and the seat frame support frame passes through link mechanism to be installed at the lift frame, and foot support and back support also are connected with link mechanism respectively, adjusts leaning forward or the abduction of back through the different stations adjustment back that seat frame support frame is located, adjusts the extension and the shrink of foot support. The traditional electric sofa iron frame can make the electric sofa divided into a standing-assistant posture, an initial posture, a TV posture and a leisure posture according to the different positions of a seat frame supporting frame, a foot support and a backrest. All the posture adjustment of the whole electric sofa iron frame is realized by driving the seat frame supporting frame to move back and forth through the linear motor and driving the foot support bracket and the backrest bracket to move by matching with the connecting rod mechanism.
The existing electric sofa support has the following problems:
(1) The foot rest bracket in the existing electric sofa iron frame has the problems of weak left and right rigidity strength, poor recovery fitting degree of the foot rest plate and the like;
(2) When the existing electric sofa iron frame is in a TV posture and a leisure posture, the left-right rigidity of the iron frame is seriously insufficient, and the problem of large left-right shaking amplitude exists;
(3) The connecting pipe of the driving connecting rod of the existing electric sofa iron frame has insufficient rigidity, the fracture phenomenon frequently occurs, the service life of the electric sofa iron frame is greatly shortened, and potential safety hazards exist;
(4) The connecting parts of the rear connecting rod and other connecting rods in the existing electric sofa iron frame are longer, so that the left and right torsion resistance is poor;
(5) The existing electric sofa iron frame is generally connected by a single connecting rod, the overall rigidity of the iron frame is poor, and the iron frame shakes seriously left and right;
(6) The existing electric sofa iron frame basically adopts a waist groove structural design, but the waist groove structural design has the defects of poor connecting rod transmission stability, frequent blocking phenomenon, strong power pause and pause feeling and the like.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects of the prior electric sofa support, the utility model provides a roller type electric sofa iron frame.
The technical scheme is as follows: a roller-type electric sofa iron stand, comprising: a lifting frame; a seat frame support which moves back and forth relative to the lifting frame; two sets of link mechanisms for connecting the seat frame supporting member to the lifting frame; two sets of link mechanism all include: a link mechanism body, a roller link and a roller pair; the roller pair consists of two rollers which are arranged up and down, and is arranged on the link mechanism main body; one end of the roller connecting rod is rotatably connected with the seat frame supporting piece, the middle of the roller connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the roller connecting rod is positioned between the two rollers, a first groove is arranged on the surface, in contact with the roller connecting rod, of the upper roller, a second groove is arranged on the surface, in contact with the roller connecting rod, of the lower roller, the arrangement position of the first groove is later than the arrangement position of the second groove, and along with the movement of the seat frame supporting piece, the roller connecting rod moves to enable the upper roller to enter/exit the first groove and enable the lower roller to enter/exit the second groove.
Furthermore, a first limiting pin is arranged on the link mechanism main body and is in contact with one end of the roller connecting rod, and the first limiting pin is used for limiting the angle between the roller connecting rod and the link mechanism main body.
Further, the link mechanism main part includes first main part board and second main part board, all is equipped with a plurality of portions of bending on first main part board and second main part board, the one end of second main part board is fixed and is served at one of first main part board, and the other end of this second main part board is fixed and is served at the other of first main part board, utilizes the portion of bending on first main part board and the second main part board, forms a plurality of frame spaces between first main part board and second main part board.
Furthermore, the foot support frame is further included, the foot support frame is rotatably connected with the seat frame supporting piece, and an anti-torsion connecting rod is arranged between the two sets of foot support frames.
Furthermore, a connecting pipe is arranged between the two sets of link mechanisms and is used for driving the two sets of link mechanisms under the driving of the driving mechanism, and a reinforcing angle steel is arranged on the connecting pipe.
Furthermore, the connecting rod mechanism also comprises a rear connecting rod, one end of the rear connecting rod is rotatably connected with the middle part of the roller connecting rod, and the other end of the rear connecting rod is rotatably connected with the connecting rod mechanism main body; the connecting rod mechanism main body is provided with a waist slot hole, and the middle part of the rear connecting rod is rotatably connected with the connecting rod mechanism main body by a rivet and the waist slot hole.
Furthermore, the waist slot is a waist slot with a height larger than a width.
Furthermore, an I-beam is arranged inside the lifting frame.
Furthermore, the seat frame support device further comprises a backrest support, one side of the lower end of the backrest support is rotatably connected with the seat frame support, and the other side of the lower end of the backrest support is rotatably connected with the link mechanism main body.
Further, the link mechanism further includes: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod, the sixth connecting rod and the seventh connecting rod; one end of the first connecting rod is rotatably connected with the other end of the rear connecting rod, the other end of the first connecting rod is rotatably connected with the lower side of one end of the second connecting rod, the upper side of one end of the second connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the second connecting rod is rotatably connected with the middle part of the third connecting rod, one end of the third connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the third connecting rod is rotatably connected with the middle part of the fourth connecting rod, one end of the fourth connecting rod is rotatably connected with the seat frame connecting rod, and the other end of the fourth connecting rod 38 is rotatably connected with the foot support bracket;
one end of the fifth connecting rod is rotatably connected with the inner side of the seat frame connecting rod, the other end of the fifth connecting rod is rotatably connected with one end of the sixth connecting rod, and the other end of the sixth connecting rod is fixedly connected with the connecting pipe;
one end of the seventh connecting rod is rotatably connected with the connecting rod mechanism main body, and the other end of the seventh connecting rod is fixedly connected with the connecting pipe.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
(1) The utility model greatly enhances the transmission stability of the connecting rod, avoids the blocking phenomenon and enhances the experience feeling through the open type roller structure;
(2) The utility model greatly enhances the left and right rigidity intensity of the foot rest bracket through the anti-torsion connecting rod, and simultaneously optimizes the recovery and fitting degree of the foot rest plate;
(3) The utility model greatly enhances the rigidity of the whole iron stand and reduces the shaking of the TV posture and the leisure posture through the frame-type structure link mechanism main body;
(4) The utility model increases the reinforced angle steel on the connecting pipe, improves the rigidity of the connecting pipe of the driving connecting rod, and greatly reduces the probability of fracture of the connecting pipe;
(4) The connecting rod is connected with the main body of the connecting rod mechanism by the waist slot holes through the waist slot holes, so that the integral rigidity of the iron frame is greatly enhanced, and the waist slot holes can also be positioned up and down, thereby reducing the use of limit pins;
(5) The utility model adopts a sectional structure to connect the connecting pipe and the connecting rod mechanism, namely, the connecting pipe is connected with the connecting pipe through the fifth connecting rod, the sixth connecting rod and the seventh connecting rod; and a sectional structure is adopted, so that the device has the advantages of simplicity in assembly, high production efficiency and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical means in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a roller type electric sofa iron frame;
FIG. 2 is a schematic view of a roller-type electric sofa iron frame from another perspective;
FIG. 3 is a schematic view of the inner side of the linkage mechanism;
FIG. 4 is a schematic view of the outer side of the linkage mechanism;
FIG. 5 is a schematic view of the positions and connections of a roller link, a roller pair, a rear link, a first link, a second link, a third link, and a fourth link;
FIG. 6 is a schematic structural view of the link mechanism body;
FIG. 7 is a schematic view of the positions and connections of the roller link, roller pair, rear link, first link, and second link;
FIG. 8 is a schematic view of the position and connection of the roller pair, the rear link, and the first link;
fig. 9 is a schematic view of the positions of the link mechanism body and the roller pair.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure.
In the description of the present invention, it is to be understood that the terms "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth", "fifth", "sixth" may explicitly or implicitly include one or more of such features.
In addition, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the utility model, the upper, lower, left and right are descriptions of the specific orientation in the practical use of the bracket according to the attached drawings of the specification.
Example 1:
the embodiment discloses an electronic sofa iron stand of roller type includes:
a lifting frame 1; the lifting frame is driven by a linear motor to do lifting motion;
a seat frame support 2 which moves forward and backward relative to the lifting frame; specifically, the linear motor drives the seat frame supporting piece 2 to move back and forth on the lifting frame 1 through the connecting rod mechanism 3;
two sets of link mechanisms 3 for connecting the seat frame supporting member 2 to the lifting frame 1; both sets of link mechanisms 3 include: a link mechanism body 31, a roller link 32, and a roller pair 33; the roller pair 33 is composed of two rollers disposed up and down, and the roller pair 33 is disposed on the link mechanism body 31; one end of the roller link 32 is rotatably connected to the seat frame support 2, the middle of the roller link 32 is rotatably connected to the link mechanism body 31, the other end of the roller link 32 is located between the two rollers, a first groove 321 is provided on the upper roller contacting surface of the roller link 32, a second groove 322 is provided on the lower roller contacting surface of the roller link 32, the first groove 321 is located at a position behind the second groove 322, and the roller link 32 moves along with the movement of the seat frame support 2 to allow the upper roller to enter/exit the first groove 321 and allow the lower roller to enter/exit the second groove 322.
The embodiment improves the transmission stability of the link mechanism 3 by the roller connecting rod 32 and the roller pair 33, avoids the phenomenon of blocking during posture conversion, and realizes open design by the groove on the roller connecting rod 32, ensures stable energy release, reduces power pause during posture conversion, and increases user experience.
The standing-assisting posture of the roller type electric sofa iron frame of the embodiment is as follows: the lifting frame is lifted, the seat frame bracket keeps inclining forwards, the foot supports contract, and the backrest inclines forwards; the initial posture of the roller type electric sofa iron frame of the embodiment is as follows: the lifting frame descends to be in the original position, the seat frame supporting frame is normally placed on the lifting frame, the foot support bracket contracts, and the backrest bracket inclines forwards;
the TV posture of the roller type electric sofa iron frame of the embodiment is as follows: the foot support is extended;
the leisure gesture of the roller type electric sofa iron frame of the embodiment is as follows: the back is unfolded and the foot rest is kept stretched.
Example 2:
as shown in fig. 1 to 9, the present embodiment discloses a roller type electric sofa iron frame, which includes:
a lifting frame 1; the lifting frame 1 is driven by a linear motor to do lifting motion; in order to improve the rigidity of the lifting frame 1 and reduce the horizontal shaking amplitude of the lifting frame, an I-beam 11 is additionally arranged in the lifting frame.
A seat frame support 2 which moves back and forth relative to the lifting frame 1; specifically, the linear motor drives the seat frame supporting piece 2 to move back and forth on the lifting frame 1 through the connecting rod mechanism 3.
Two sets of linkage mechanisms 3 for connecting the seat frame support 2 to the lifting frame 1.
Two sets of backrest supports 4, and each set of backrest support 4 is rotatably connected with a connecting rod mechanism 3 and the seat frame supporting piece 2.
Two sets of foot rest brackets 5, and each set of foot rest bracket 4 is rotationally connected with a connecting rod mechanism 3 and a seat frame supporting piece 2.
Specifically, the seat frame support 2 of the present embodiment includes a seat frame fixing member 21 and a seat frame link 22; a plurality of seat frame fixing members 21 are provided on the seat frame links 22 for mounting the seat frame, and in some embodiments, the seat frame can be fixed to the seat frame supporting member 2 by lengthening the waist-shaped slots of the seat frame fixing members 21, and if the waist-shaped slots are too small, the seat frame is easily loosened.
Specifically, the link mechanism 3 of the present embodiment includes a link mechanism body 31, a roller link 32, a roller pair 33, a rear link 34, a first link 35, a second link 36, a third link 37, a fourth link 38, and a fifth link 39. In order to enhance the rigidity of the entire iron stand and reduce the wobbling when the TV is in a posture or a leisure posture, the link mechanism body 31 of the present embodiment has a frame structure, and specifically, the link mechanism body 31 includes a first body plate 311 and a second body plate 312, a plurality of bent portions are disposed on the first body plate 311 and the second body plate 312, one end of the second body plate 312 is fixed to one end of the first body plate 311, the other end of the second body plate 312 is fixed to the other end of the first body plate 311, and a plurality of frame spaces are formed between the first body plate 311 and the second body plate 312 by the bent portions of the first body plate 311 and the second body plate 312, thereby enhancing the rigidity of the entire iron stand. In order to improve the work efficiency, the present embodiment fixes the first body plate 311 and the second body plate 312 by using tapping screws, and the work efficiency can be effectively improved and the assembly is convenient by the tapping screw connection.
The roller pair 33 of the present embodiment is composed of two rollers disposed up and down, and for convenience of description, the roller pair 33 is disposed on the link mechanism body 31, and specifically, the roller pair 33 is disposed on the first body plate 311 when the first body plate 311 is located outside the iron frame. In this embodiment, one end of the roller link 32 is rotatably connected to the seat frame support 2, the middle of the roller link 32 is rotatably connected to the link mechanism body 31, the other end of the roller link 32 is located between the two rollers, a first groove 321 is provided on the upper roller contacting surface of the roller link 32, a second groove 322 is provided on the lower roller contacting surface of the roller link 32, the first groove 321 is located at a position behind the second groove 322, and the roller link 32 moves along with the movement of the seat frame support to allow the upper roller to enter/exit the first groove 321 and allow the lower roller to enter/exit the second groove 322. In order to limit the angle between the roller link 32 and the link mechanism body 31, a first stopper pin 313 is provided on the link mechanism body 31, and when operated to a certain angle, the first stopper pin 313 contacts one end of the roller link 32. This embodiment is through adopting open gyro wheel structure, can improve the transmission stability between each connecting rod greatly, avoids appearing the card pause phenomenon, strengthens user experience and feels.
One end of the rear link 34 of the present embodiment is rotatably connected to the middle portion of the roller link 32, and the other end of the rear link 34 is rotatably connected to the link mechanism body 31; a waist-shaped slot 314 is formed in the link mechanism body 31, and the middle portion of the rear link 34 is rotatably connected to the link mechanism body 31 by means of a rivet and the waist-shaped slot. The connection part of the rear link 34 and other links is relatively long, so that the problem of poor left-right torsion resistance exists, in the embodiment, the rear link 34 is rotatably connected with the link mechanism main body 31 by increasing the waist-shaped slot 314 and utilizing the waist-shaped slot 314 and rivets, specifically, the rear link 34 is rotatably connected with the first main body plate 311, so that the rigidity of the rear link 34 is improved, and meanwhile, the waist-shaped slot 314 is a waist-shaped slot with the height larger than the width, so that the waist-shaped slot 314 can also play a role in up-down positioning, and therefore, the use of positioning pins can be reduced by utilizing the waist-shaped slot 314.
One end of the first link 35 in the present embodiment is rotatably connected to the other end of the rear link 34, but the connection point of the first link 35 and the rear link 34 is not located at one point with the connection point of the link mechanism body 31 and the rear link 34. The other end of the first connecting rod 35 is rotatably connected with the lower side of one end of the second connecting rod 36, the upper side of one end of the second connecting rod 36 is rotatably connected with the link mechanism main body 31, the other end of the second connecting rod 36 is rotatably connected with the middle part of the third connecting rod 37, one end of the third connecting rod 37 is rotatably connected with the link mechanism main body 31, the other end of the third connecting rod 37 is rotatably connected with the middle part of the fourth connecting rod 38, one end of the fourth connecting rod 38 is rotatably connected with the seat frame connecting rod 22, and the other end of the fourth connecting rod 38 is rotatably connected with the foot rest support 5. In order to restrict the movement of the third link 37, a stopper pin is provided at a corresponding position, and specifically, the stopper pin is fixed to the link mechanism body 31. The design risk of connecting the rotary core drive is larger by adopting rivets, so that in some embodiments, the rotary connection is carried out by adopting a shaft screw structure, and the torsion resistance and the assembly efficiency of the connecting rod can be effectively improved by properly increasing the diameter of the shaft screw.
The fifth link 39 of the present embodiment is located inside the seat frame link 22, and the side where the seat frame fixing member 21 is located is referred to as the outside of the seat frame link 22; one end of the fifth link 39 is rotatably connected to the seat frame link 22, the other end of the fifth link 39 is connected to the connecting pipe 6 through a sixth link 310, and both ends of the connecting pipe 6 are fixedly connected to the sixth links 310 of the two sets of link mechanisms 3, respectively. When the linear motor drives the connection pipe 6, the connection pipe 6 is often broken due to insufficient rigidity, and therefore, in the present embodiment, the reinforcement angle iron 61 is additionally provided on the connection pipe 6 to improve the rigidity of the connection pipe 6 and prevent the connection pipe from being broken.
In order to ensure the connection strength of the link mechanism and the connection pipe 6, the link mechanism of the present embodiment further includes a seventh link 315, one end of the seventh link 315 is rotatably connected to the link mechanism body 31, and the other end of the seventh link 315 is fixedly connected to the connection pipe 6, that is, the other end of the seventh link 315 and the other end of the sixth link 310 are fixedly connected to the connection pipe 6. And a stopper pin is provided at a corresponding position of the link mechanism body 31 for limiting a rotation angle of the seventh link 315. The connection pipe 6 of this embodiment is a square pipe, and a right-angle opening is provided on the other end of the seventh connection rod 315, and the right-angle opening is adapted to the connection pipe 6. The connecting pipe is connected with the connecting rod mechanism by adopting a sectional structure, namely the connecting pipe is connected with the connecting rod mechanism through a fifth connecting rod 39, a sixth connecting rod 310 and a seventh connecting rod 315; and a sectional structure is adopted, so that the device has the advantages of simplicity in assembly, high production efficiency and the like.
The present embodiment further connects the link mechanism body 31 and the seat frame link 22 through a spring 7, and specifically, one end of the spring 7 is connected to the seat frame link 22, and the other end of the spring 7 is connected to the link mechanism body 31.
The backrest support 4 of the present embodiment is connected to the seat frame link 22 at a certain angle, and specifically, the backrest support 4 includes a backrest main support 41 and a backrest link 42, one side of the lower end of the backrest main support 41 is rotatably connected to the seat frame link 22, one end of the backrest link 42 is rotatably connected to the other side of the lower end of the backrest main support 41, and the other end of the backrest link 42 is rotatably connected to the link mechanism main body 31.
The foot support bracket 5 of the present embodiment includes a foot support main bracket 51, a first foot support connecting rod 52, a second foot support connecting rod 53 and a third foot support connecting rod 54, one position of the lower end of the foot support main bracket 51 is rotatably connected with the seat frame connecting rod 22 through the second foot support connecting rod 53, the other position of the lower end of the foot support main bracket 51 is rotatably connected with the seat frame connecting rod 22 through the third foot support connecting rod 54, one end of the first foot support connecting rod 52 is rotatably connected with the middle part of the second foot support connecting rod 53, and the other end of the first foot support connecting rod 52 is rotatably connected with the other end of the fourth connecting rod 38. Because the foot rest bracket has very weak rigidity and strength and poor foot rest recovery fitting degree, in order to solve the problem, an anti-torsion connecting rod 55 is added in the embodiment, and two ends of the anti-torsion connecting rod 55 are respectively connected with the third foot rest connecting rods 54 of the two sets of foot rest brackets 5.
Claims (10)
1. The utility model provides an electronic sofa iron stand of roller type which characterized in that: the method comprises the following steps:
a lifting frame;
a seat frame support which moves back and forth relative to the lifting frame;
two sets of link mechanisms for connecting the seat frame supporting member to the lifting frame;
two sets of link mechanism all includes: a link mechanism body, a roller link and a roller pair;
the roller pair consists of two rollers which are arranged up and down, and is arranged on the link mechanism main body; one end of the roller connecting rod is rotatably connected with the seat frame supporting piece, the middle of the roller connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the roller connecting rod is positioned between the two rollers, a first groove is arranged on the surface, in contact with the roller connecting rod, of the upper roller, a second groove is arranged on the surface, in contact with the roller connecting rod, of the lower roller, the arrangement position of the first groove is later than the arrangement position of the second groove, and along with the movement of the seat frame supporting piece, the roller connecting rod moves to enable the upper roller to enter/exit the first groove and enable the lower roller to enter/exit the second groove.
2. The roller-type electric sofa iron frame according to claim 1, wherein: the connecting rod mechanism main body is provided with a first limiting pin, and the first limiting pin is in contact with one end of the roller connecting rod and is used for limiting the angle between the roller connecting rod and the connecting rod mechanism main body.
3. The roller-type electric sofa iron frame according to claim 1, wherein: the link mechanism main part includes first main part board and second main part board, all is equipped with a plurality of portions of bending on first main part board and second main part board, the one end of second main part board is fixed and is served at one of first main part board, and the other end of this second main part board is fixed on the other end of first main part board, utilizes the portion of bending on first main part board and the second main part board, forms a plurality of frame spaces between first main part board and second main part board.
4. The roller-type electric sofa iron frame according to claim 1, wherein: the foot support bracket is rotatably connected with the seat frame supporting piece, and an anti-torsion connecting rod is arranged between the two sets of foot support brackets.
5. The roller-type electric sofa iron frame according to claim 1, wherein: and a connecting pipe is arranged between the two sets of link mechanisms and is used for driving the two sets of link mechanisms under the driving of the driving mechanism, and a reinforcing angle steel is arranged on the connecting pipe.
6. The roller-type electric sofa iron frame according to claim 1, wherein: the connecting rod mechanism also comprises a rear connecting rod, one end of the rear connecting rod is rotatably connected with the middle part of the roller connecting rod, and the other end of the rear connecting rod is rotatably connected with the connecting rod mechanism main body;
the connecting rod mechanism main body is provided with a waist slot hole, and the middle part of the rear connecting rod is rotatably connected with the connecting rod mechanism main body by a rivet and the waist slot hole.
7. The trolley type electric sofa iron frame according to claim 6, wherein: the waist slot hole is a waist slot hole with the height larger than the width.
8. The roller-type electric sofa iron frame according to claim 1, wherein: an I-shaped beam is arranged in the lifting frame.
9. The roller-type electric sofa iron frame according to claim 1, wherein: the seat frame support is characterized by further comprising a backrest support, one side of the lower end of the backrest support is rotatably connected with the seat frame support, and the other side of the lower end of the backrest support is rotatably connected with the link mechanism main body.
10. The trolley type electric sofa iron frame according to claim 6, wherein: the link mechanism further includes: the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, the fifth connecting rod, the sixth connecting rod and the seventh connecting rod; one end of the first connecting rod is rotatably connected with the other end of the rear connecting rod, the other end of the first connecting rod is rotatably connected with the lower side of one end of the second connecting rod, the upper side of one end of the second connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the second connecting rod is rotatably connected with the middle part of the third connecting rod, one end of the third connecting rod is rotatably connected with the connecting rod mechanism main body, the other end of the third connecting rod is rotatably connected with the middle part of the fourth connecting rod, one end of the fourth connecting rod is rotatably connected with the seat frame connecting rod, and the other end of the fourth connecting rod 38 is rotatably connected with the foot support bracket;
one end of the fifth connecting rod is rotatably connected with the inner side of the seat frame connecting rod, the other end of the fifth connecting rod is rotatably connected with one end of the sixth connecting rod, and the other end of the sixth connecting rod is fixedly connected with the connecting pipe;
one end of the seventh connecting rod is rotatably connected with the connecting rod mechanism main body, and the other end of the seventh connecting rod is fixedly connected with the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222656150.0U CN218515473U (en) | 2022-10-10 | 2022-10-10 | Roller type electric sofa iron frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222656150.0U CN218515473U (en) | 2022-10-10 | 2022-10-10 | Roller type electric sofa iron frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218515473U true CN218515473U (en) | 2023-02-24 |
Family
ID=85248289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222656150.0U Active CN218515473U (en) | 2022-10-10 | 2022-10-10 | Roller type electric sofa iron frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218515473U (en) |
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2022
- 2022-10-10 CN CN202222656150.0U patent/CN218515473U/en active Active
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| GR01 | Patent grant |