CN214341267U - Rocker mechanism for folding sofa bed - Google Patents
Rocker mechanism for folding sofa bed Download PDFInfo
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- CN214341267U CN214341267U CN202120395745.8U CN202120395745U CN214341267U CN 214341267 U CN214341267 U CN 214341267U CN 202120395745 U CN202120395745 U CN 202120395745U CN 214341267 U CN214341267 U CN 214341267U
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Abstract
The utility model belongs to the technical field of folding sofa bed, concretely relates to rocker mechanism for folding sofa bed. This folding sofa is rocker mechanism for bed includes: a sliding seat; the two ends of the first rocker are respectively hinged with the sliding seat and the back frame of the bed frame; two ends of the second rocker are respectively hinged with the sliding seat and the back frame of the bed frame; the rod body of the second rocker is also connected with a connecting rod mechanism through a first connecting rod; the sliding seat moves towards the side far away from or close to the head frame along the sliding rail, the first rocking bar and the second rocking bar are suitable for driving the head frame and the back frame in the bed frame to be opened or folded, and meanwhile, the second rocking bar drives the rest parts in the bed frame to be opened or folded through the connecting rod mechanism. The utility model discloses a folding rocker mechanism for sofa bed simple structure, first rocker and second rocker are suitable for to drive head frame and back of the body frame and open or fold, and second rocker and link mechanism are suitable for to drive back of the body frame, buttockss frame, leg frame and back frame and open or fold.
Description
Technical Field
The utility model belongs to the technical field of folding sofa bed, concretely relates to rocker mechanism for folding sofa bed.
Background
A folding sofa bed is a piece of furniture which is a sofa in a folding state and a bed in an opening state. Which typically has a sofa seat and a bed frame for receiving a folding bed frame.
The folding sofa bed is generally driven by a motor, and a connecting rod mechanism arranged at the side of the bed frame is driven by a rocker mechanism to open or fold the bed frame. The rocker mechanism for the existing folding sofa bed has poor stability and higher cost, and is inconvenient to maintain and replace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a folding sofa bed is with rocker mechanism to solve current folding sofa bed and use the technical problem of rocker mechanism poor stability.
In order to solve the technical problem, the utility model provides a folding sofa bed is with rocker mechanism, include: the sliding seat is arranged on a sliding rail on the side frame of the sofa seat; the two ends of the first rocker are respectively hinged with the sliding seat and the back frame of the bed frame; two ends of the second rocker are respectively hinged with the sliding seat and the back frame of the bed frame; the rod body of the second rocker is also connected with a connecting rod mechanism through a first connecting rod; the sliding seat moves towards the side far away from or close to the head frame along the sliding rail, the first rocking bar and the second rocking bar are suitable for driving the head frame and the back frame in the bed frame to be opened or folded, and meanwhile, the second rocking bar drives the rest parts in the bed frame to be opened or folded through the connecting rod mechanism.
Furthermore, the first rocker and the second rocker are both bending rods and are in an approximately L-shaped structure; one end of the first connecting rod is hinged with the bending part of the second rocker, and the other end of the first connecting rod is hinged with the connecting rod mechanism.
Furthermore, the end part of the long side of the first rocker is hinged with the back frame, and the end part of the short side of the first rocker is hinged with the sliding seat; the end part of the long side of the second rocker is hinged with the sliding seat, and the end part of the short side of the second rocker is hinged with the back frame; and the long sides of the first rocker and the second rocker are parallel to each other, and the short sides of the first rocker and the second rocker are parallel to each other, so that an approximate parallelogram structure is formed.
Further, the length ratio of the long side to the short side is 4:1-3: 1.
Furthermore, the included angle between the long side and the short side is 120-140 degrees.
Furthermore, the long edges of the first rocker and the second rocker are provided with reinforcing ribs.
Further, a mounting plate is arranged on the inner side of the sliding seat; the first rocker and the second rocker are hinged with the mounting plate.
Further, the link mechanism comprises a first link assembly linked with the back frame and the hip frame of the bed frame; the first link assembly includes: a second link and a third lever; wherein the second connecting rod is an L-shaped rod; two ends of the first connecting rod are respectively hinged with the bending part of the second rocker and the bending part of the second connecting rod; the middle part of the third lever is hinged on the hip frame; two ends of the second connecting rod are respectively hinged with the back frame and the head end of the third lever; the second rocker is driven to rotate anticlockwise or clockwise around a hinge point of the upper end of the second rocker and the back frame, and the back frame and the hip frame are driven to be opened or folded through the cooperation of the first connecting rod, the second connecting rod and the third lever.
Furthermore, the connecting rod mechanism also comprises a fourth connecting rod linked with the hip frame and the leg frame; two ends of the fourth connecting rod are respectively hinged with the tail end of the third lever and the leg frame; the tail end of the third lever is driven to rotate anticlockwise or clockwise around a hinge point of the third lever and the hip frame, and the hip frame and the leg frame are driven to be opened or folded through the fourth connecting rod.
Further, the backrest frame comprises a backrest part and a mounting part which are perpendicular to each other; the mounting part is provided with bed legs; the connecting rod mechanism also comprises a second connecting rod assembly which is linked with the leg frame and the bed legs; the second connecting rod assembly comprises a fifth lever, a sixth connecting rod and a seventh connecting rod; the fifth lever is an L-shaped lever, one end of the fifth lever is hinged with the middle part of the fourth connecting rod, and the other end of the fifth lever is hinged with the non-supporting end of the bed leg; one end of the sixth connecting rod is hinged with the leg frame, the other end of the sixth connecting rod is hinged with the seventh connecting rod, and the middle part of the sixth connecting rod is hinged with the bent part of the fifth lever; two ends of the seventh connecting rod are respectively hinged with the sixth connecting rod and the middle parts of the bed legs; when the fifth lever is driven to rotate anticlockwise or clockwise around the hinge point of the fifth lever and the sixth connecting rod, the leg frame and the bed legs are driven to be unfolded or folded through the cooperation of the sixth connecting rod and the seventh connecting rod.
The utility model has the advantages that the rocker mechanism for the folding sofa bed has simple structure, drives the sliding seat to move towards the side far away from or close to the head frame along the sliding rail, and the first rocker and the second rocker can jointly support the back frame to stably lift and keep the back frame in a horizontal state all the time; the second rocker and the connecting rod mechanism are suitable for driving the rest parts in the bed frame to be opened or folded.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of the rocking bar mechanism for a foldable sofa bed according to the present invention;
FIG. 2 is a schematic view of the bed frame of the rocking bar mechanism for a foldable sofa bed according to the present invention;
FIG. 3 is a schematic view of the folding of the bed frame of the rocking bar mechanism for a foldable sofa bed according to the present invention;
FIG. 4 is a schematic view of the first and second rocking levers of the rocking lever mechanism for a foldable sofa bed according to the present invention;
FIG. 5 is a schematic view of the sliding seat of the rocker mechanism for the foldable sofa bed according to the present invention;
fig. 6 is a side view of the rocking bar mechanism for the folding sofa bed of the present invention.
In the figure:
a sofa seat 100;
a bed frame 200, a head frame 210, a back frame 220, a hip frame 230, a leg frame 240, a back frame 250;
the sliding rail 311, the sliding seat 312, the mounting plate 3123, the first rocking bar 321, and the second rocking bar 322;
a link mechanism 330, a first link assembly 331, a first link 3311, a second link 3312, a third lever 3313, a fourth link 332, a second link assembly 333, a fifth lever 3331, a sixth link 3332, and a seventh link 3333;
and a reinforcing rib 400.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figures 1, 2 and 3, the folding sofa bed is sofa in the folded state and bed furniture in the unfolded state. Which includes a sofa 100 and a bed frame 200 for receiving a folding bed frame. The bed frame 200 includes, but is not limited to, a head frame 210, a back frame 220, a hip frame 230, a leg frame 240, and a back frame 250. When the sofa is folded, the head frame 210 and the back frame 220 are perpendicular to each other and are accommodated in the sofa 100; in the opened state, the head frame 210, the back frame 220, the hip frame 230, the leg frame 240, and the back frame 250 are in a horizontal bed state.
Examples
As shown in fig. 1, 2 and 3, the present embodiment provides a rocking bar mechanism for a folding sofa bed, comprising: a sliding seat 312, which is arranged on the sliding rail 311 on the side frame of the sofa seat 100; a first rocking bar 321, both ends of which are hinged with the sliding seat 312 and the back frame 220 of the bed frame 200 respectively; a second rocker 322, both ends of which are hinged with the sliding seat 312 and the back frame 220 of the bed frame 200 respectively; wherein the shaft of the second rocker 322 is also connected with a link mechanism 330 through a first connecting rod 3311; the sliding seat 312 moves along the sliding rail 311 toward the side far from or near the head frame 210, the first rocking bar 321 and the second rocking bar 322 are adapted to drive the head frame 210 and the back frame 220 of the bed frame 200 to open or fold, and at the same time, the second rocking bar 322 drives the rest of the bed frame 200 to open or fold through the link mechanism 330.
In this embodiment, the rocker mechanism for the folding sofa bed has a simple structure, and can adopt a horizontal pushing motor to drive the sliding seat 312 to move towards the hip frame 230 or the head frame 210 along the sliding rail 311, and the first rocker 321 and the second rocker 322 can jointly support the back frame 220 to stably lift, i.e. to be opened horizontally or folded vertically with the head frame 210, and can always keep the back frame 220 horizontally; the second rocking bar 322 and the link mechanism 330 are adapted to drive the back frame 220, the hip frame 230, the leg frame 240 and the back frame 250 to open or fold.
In the embodiment, the first rocking bar 321 and the second rocking bar 322 are adopted to support the lifting of the back frame 220 together, so that the stability and the bearing capacity can be improved; the link mechanism 330 may be installed at the sides of the back frame 220, the hip frame 230, the leg frame 240, and the back frame 250.
In this embodiment, the rocking bar mechanism and the link mechanism 330 for the folding sofa bed are provided on both sides of the bed frame.
As shown in fig. 3, in order to avoid the interference between the first rocking bar 321 and the second rocking bar 322 when the folding state is achieved, the first rocking bar 321 and the second rocking bar 322 are both bent bars and have an approximately L-shaped structure; one end of the first link 3311 is hinged to the bent portion of the second rocker 322, and the other end is hinged to the link mechanism 330.
As shown in fig. 1, 2 and 4, in the present embodiment, the first rocking bar 321 and the second rocking bar 322 are the same bent bar. The end part of the first rocker 321 positioned on the long side is hinged with the back frame 220, and the end part positioned on the short side is hinged with the sliding seat 312; the end part of the second rocker 322 positioned on the long side is hinged with the sliding seat 312, and the end part positioned on the short side is hinged with the back frame 220; and the long sides of the first rocker and the second rocker are parallel to each other, and the short sides of the first rocker and the second rocker are parallel to each other, so that an approximate parallelogram structure is formed.
Optionally, the length ratio of the long side to the short side can be adjusted according to installation requirements; in this embodiment, optionally, the length ratio of the long side to the short side is 4:1-3: 1; preferably, the length ratio of the long side to the short side may be 4:1, 3.5:1, 3: 1.
Optionally, the included angle between the long side and the short side can be adjusted according to the installation requirement; in this embodiment, optionally, an included angle between the long side and the short side is 120 ° to 140 °; preferably, the included angles between the long side and the short side are 120 °, 130 °, 133 ° and 140 °.
As shown in fig. 4, in order to increase the strength of the first and second rockers, a reinforcing rib 400 is provided on the long side.
As shown in fig. 5, optionally, in order to facilitate the assembly of the first rocker and the second rocker with the sliding seat 312 and improve the stability of the structure, a mounting plate 3123 is disposed on the inner side of the sliding seat 312; the first rocker and the second rocker are hinged with the mounting plate 3123.
As shown in fig. 6, in the present embodiment, as an alternative embodiment of the link mechanism 330, the link mechanism 330 includes a first link assembly 331 linked with the back frame 220 and the hip frame 230; the first link assembly 331 includes: a second link 3312 and a third lever 3313; wherein the second link 3312 is an L-shaped rod; and two ends of the first connecting rod 3311 are hinged to the bending part of the second rocker 322 and the bending part of the second connecting rod 3312, respectively; the middle part of the third lever 3313 is hinged on the hip frame 230; two ends of the second connecting rod 3312 are respectively hinged with the back frame 220 and the head end of the third lever 3313; the second rocking bar 322 is driven to rotate counterclockwise or clockwise around the hinge point of the upper end of the second rocking bar 322 and the back frame 220, and the back frame 220 and the hip frame 230 are driven to open or fold by the cooperation of the first connecting rod 3311, the second connecting rod 3312 and the third lever 3313.
As an alternative embodiment for driving the hip frame 230 and the leg frame 240 to open or fold, as shown in fig. 4, the link mechanism 330 further includes a fourth link 332 linked with the hip frame 230 and the leg frame 240; both ends of the fourth connecting rod 332 are hinged with the tail end of the third lever 3313 and the leg frame 240 respectively; the rear end of the third lever 3313 is driven to rotate counterclockwise or clockwise around the hinge point of the third lever 3313 and the hip frame 230, and the hip frame 230 and the leg frame 240 are driven to open or fold through the fourth link 332.
In this embodiment, the backrest frame 250 includes a backrest portion 251 and a mounting portion 252 perpendicular to each other; the mounting part 252 is provided with bed legs 253; as shown in fig. 2, in the open state of the bed frame 200, the backrest 251 is approximately parallel to the leg frames 240, and the bed legs 253 are perpendicular to the leg frames 240 to support the bed frame 200; as shown in fig. 5, when the bed frame 200 is folded, the backrest 251 and the leg frames 240 are substantially perpendicular to each other.
As shown in fig. 4, in the present embodiment, as an alternative embodiment for unfolding or folding the leg frame 240 and the bed legs 253, the link mechanism 330 further includes a second link assembly 333 linked with the leg frame 240 and the bed legs 253; the second link assembly 333 includes a fifth lever 3331, a sixth link 3332, and a seventh link 3333; the fifth lever 3331 is an L-shaped lever, one end of which is hinged to the middle of the fourth link 332, and the other end of which is hinged to the non-supporting end of the leg 253; one end of the sixth connecting rod 3332 is hinged to the leg frame 240, the other end of the sixth connecting rod 3332 is hinged to the seventh connecting rod 3333, and the middle part of the sixth connecting rod 3332 is hinged to the bent part of the fifth lever 3331; two ends of the seventh connecting rod 3333 are respectively hinged with the sixth connecting rod 3332 and the middle part of the bed leg 253; when the fifth lever 3331 is driven to rotate counterclockwise or clockwise around the hinge point of the fifth lever 3331 and the sixth link 3332, the leg frame 240 and the bed legs 253 are unfolded or folded by the cooperation of the sixth link 3332 and the seventh link 3333.
In this embodiment, the support ends of the legs 253 can be provided with wheels to smoothly transition when the support ends of the legs 253 are not fully opened due to contact with the bottom surface, so as to prevent incomplete opening or non-folding due to too much friction with the bottom surface.
To sum up, the rocker mechanism for the folding sofa bed has a simple structure, a horizontal pushing motor can be adopted to drive the sliding seat 312 to move towards the hip frame 230 or the head frame 210 along the sliding rail 311, the first rocker 321 and the second rocker 322 can jointly support the back frame 220 to stably lift, namely, the back frame 220 is opened to be in a horizontal state or folded to be in a vertical state with the head frame 210, and the back frame 220 can be always kept to be in a horizontal state; the second rocker 322 and the link mechanism 330 are suitable for driving the back frame 220, the hip frame 230, the leg frame 240 and the back frame 250 to open or fold; the first rocking bar 321 and the second rocking bar 322 are adopted to support the back frame 220 to lift, so that the stability and the bearing capacity can be improved; the first rocking bar 321 and the second rocking bar 322 are both bent bars, so that the first rocking bar 321 and the second rocking bar 322 can be prevented from interfering with each other when the folding state is achieved; the mounting plate 3123 is provided with to the inboard of sliding seat 312, and the first rocker of being convenient for, the assembly of second rocker and sliding seat 312 promotes the stability of structure.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A rocker mechanism for a folding sofa bed, comprising:
the sliding seat (312) is arranged on a sliding rail (311) positioned on the side frame of the sofa seat (100);
two ends of the first rocker (321) are respectively hinged with the sliding seat (312) and the back frame (220) of the bed frame (200);
two ends of the second rocker (322) are respectively hinged with the sliding seat (312) and the back frame (220) of the bed frame (200); wherein
The rod body of the second rocker (322) is also connected with a link mechanism (330) through a first connecting rod (3311);
the sliding seat (312) is driven to move towards the side far away from or close to the head frame (210) along the sliding rail (311), the first rocker (321) and the second rocker (322) are suitable for driving the head frame (210) and the back frame (220) in the bed frame to open or fold, and meanwhile the second rocker (322) drives the rest part in the bed frame (200) to open or fold through the link mechanism (330).
2. The rocker mechanism for a folding sofa bed as claimed in claim 1,
the first rocker (321) and the second rocker (322) are both bent rods and are of an approximately L-shaped structure;
one end of the first connecting rod (3311) is hinged with the bending part of the second rocker (322), and the other end is hinged with the connecting rod mechanism (330).
3. The rocker mechanism for a folding sofa bed as claimed in claim 2,
the end part of the long side of the first rocker (321) is hinged with the back frame (220), and the end part of the short side is hinged with the sliding seat (312);
the end part of the long side of the second rocker (322) is hinged with the sliding seat (312), and the end part of the short side is hinged with the back frame (220); and
the long sides of the first rocking bar (321) and the second rocking bar (322) are parallel to each other, and the short sides of the first rocking bar (321) and the second rocking bar (322) are parallel to each other, so that an approximate parallelogram structure is formed.
4. A rocker mechanism for a folding sofa bed according to claim 3,
the length ratio of the long side to the short side is 4:1-3: 1.
5. A rocker mechanism for a folding sofa bed according to claim 3,
the included angle between the long side and the short side is 120-140 degrees.
6. A rocker mechanism for a folding sofa bed according to claim 3,
and reinforcing ribs (400) are arranged on the long edges of the first rocking bar (321) and the second rocking bar (322).
7. The rocker mechanism for a folding sofa bed as claimed in claim 1,
a mounting plate (3123) is arranged on the inner side of the sliding seat (312);
the first rocker (321) and the second rocker (322) are hinged with the mounting plate (3123).
8. The rocker mechanism for a folding sofa bed as claimed in claim 2,
the link mechanism (330) comprises a first link assembly (331) linked with the back frame (220) and the hip frame (230) of the bed frame (200);
the first link assembly (331) includes: a second link (3312) and a third lever (3313); wherein
The second connecting rod (3312) is an L-shaped rod; and
two ends of the first connecting rod (3311) are respectively hinged with the bending part of the second rocker (322) and the bending part of the second connecting rod (3312);
the middle part of the third lever (3313) is hinged on the hip frame (230);
two ends of the second connecting rod (3312) are respectively hinged with the back frame (220) and the head end of the third lever (3313);
the second rocker (322) is driven to rotate anticlockwise or clockwise around a hinge point of the upper end of the second rocker (322) and the back frame (220), and the back frame (220) and the hip frame (230) are driven to be opened or folded through the cooperation of the first connecting rod (3311), the second connecting rod (3312) and the third lever (3313).
9. The rocker mechanism for a folding sofa bed as claimed in claim 8,
the linkage mechanism (330) further comprises a fourth link (332) linked with the hip frame (230) and the leg frame (240);
two ends of the fourth connecting rod (332) are respectively hinged with the tail end of the third lever (3313) and the leg frame (240);
the tail end of the third lever (3313) is driven to rotate anticlockwise or clockwise around a hinge point of the third lever (3313) and the hip frame (230), and the hip frame (230) and the leg frame (240) are driven to be opened or folded through the fourth connecting rod (332).
10. The rocker mechanism for a folding sofa bed as claimed in claim 9,
the backrest frame (250) of the bed frame (200) comprises a backrest part (251) and a mounting part (252) which are perpendicular to each other;
the mounting part (252) is provided with bed legs (253);
the link mechanism (330) further comprises a second link assembly (333) linked with the leg frame (240) and the bed legs (253);
the second linkage assembly (333) includes a fifth lever (3331), a sixth link (3332), and a seventh link (3333);
the fifth lever (3331) is an L-shaped rod, one end of the fifth lever is hinged with the middle part of the fourth connecting rod (332), and the other end of the fifth lever is hinged with the non-supporting end of the bed leg (253);
one end of the sixth connecting rod (3332) is hinged with the leg frame (240), the other end of the sixth connecting rod is hinged with the seventh connecting rod (3333), and the middle part of the sixth connecting rod is hinged with the bent part of the fifth lever (3331);
both ends of the seventh connecting rod (3333) are respectively hinged with the sixth connecting rod (3332) and the middle parts of the bed legs (253);
when the fifth lever (3331) is driven to rotate around the hinge point of the fifth lever (3331) and the sixth connecting rod (3332) anticlockwise or clockwise, the leg frame (240) and the bed legs (253) are driven to be unfolded or folded through the cooperation of the sixth connecting rod (3332) and the seventh connecting rod (3333).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395745.8U CN214341267U (en) | 2021-02-22 | 2021-02-22 | Rocker mechanism for folding sofa bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395745.8U CN214341267U (en) | 2021-02-22 | 2021-02-22 | Rocker mechanism for folding sofa bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214341267U true CN214341267U (en) | 2021-10-08 |
Family
ID=77967195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120395745.8U Active CN214341267U (en) | 2021-02-22 | 2021-02-22 | Rocker mechanism for folding sofa bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214341267U (en) |
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2021
- 2021-02-22 CN CN202120395745.8U patent/CN214341267U/en active Active
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Address after: 213001 Bangshang Road, cuibei Industrial Park, Henglin Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Mulin Zhizao Technology Co.,Ltd. Address before: 213001 Bangshang Road, cuibei Industrial Park, Henglin Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: JIANGSU MULIN INTELLIGENT ELECTRIC CO.,LTD. |
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