CN219556778U - Mounting plate for seat unit forming sofa frame and sofa frame thereof - Google Patents
Mounting plate for seat unit forming sofa frame and sofa frame thereof Download PDFInfo
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- CN219556778U CN219556778U CN202320601786.7U CN202320601786U CN219556778U CN 219556778 U CN219556778 U CN 219556778U CN 202320601786 U CN202320601786 U CN 202320601786U CN 219556778 U CN219556778 U CN 219556778U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
The utility model provides a mounting plate for a seat unit forming a sofa frame body, which is characterized by comprising the following components: the first mounting surface and the second mounting surface keep a distance in the height direction of the mounting plate, and are provided with fixing holes for fixing a wooden frame of the sofa. The utility model also provides a sofa frame body, which comprises a seat unit formed by the mounting plates and a hanging mechanism, wherein the hanging mechanism is connected with the mounting plates; a backrest unit provided on the mounting plate; and a leg unit connected to the mounting plate. By adopting the structure, the screw mounting position can be increased, the wood frame can be stabilized, and the risk of wood frame cracks when the wood frame is mounted is avoided.
Description
Technical Field
The utility model relates to a mounting plate for a seat unit forming a sofa frame body and the sofa frame body with the mounting plate.
Background
In the existing sofa, seat or wheelchair, an electric or manual sofa frame body is usually arranged inside the sofa, seat or wheelchair, and the adjustment of the sofa, seat or wheelchair can be realized, so that the sofa, seat or wheelchair can be switched between different states.
The application publication number is CN107125998A, the Chinese utility model application with the application publication date being 2017.9.5 discloses a functional sofa submerged mechanical stretching device support fast-assembling structure, which comprises a mounting support, a telescopic assembly, a backrest assembly and a main body, wherein the mounting support, the telescopic assembly, the backrest assembly and the main body are rotatably mounted on the main body, the mounting support comprises a cross beam and at least one mounting sheet, the cross beam comprises a side plate, the at least one mounting sheet is fixed on the side plate and is vertical to the side plate, and at least one fixing hole and at least one mounting hole are formed in the at least one mounting sheet. The rapid-assembling structure of the support of the sinking type mechanical stretching device of the functional sofa has the following defects: the mounting piece is located same height, and the hole site on it is arranged along a straight line, and the wood frame passes through bolt and hole site cooperation, because wood frame material adopts fast-growing timber or plywood generally, after the screw is beaten into to the wood frame, all screws are arranged in a row for the wood frame is easy to crack, and does not have new screw mounting point after the crack, makes the wood frame have the risk of loosening and droing.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the mounting plate for the seat unit of the sofa frame body and the sofa frame body, which are reasonable in structural design.
The technical scheme adopted by the embodiment of the utility model for solving the problems is as follows: a mounting plate for a seat unit constituting a sofa frame, comprising:
the first mounting surface and the second mounting surface keep a distance in the height direction of the mounting plate, and fixing holes are formed in the first mounting surface and the second mounting surface.
According to the embodiment of the utility model, the mounting plate is bent along one direction to form a first wall, the first mounting surface is formed on the first wall, the mounting plate is bent along the direction opposite to the first wall to form a second wall, and the second mounting surface is formed on the second wall.
In the embodiment of the utility model, a limiting surface is formed between the first mounting surface and the second mounting surface in the height direction of the mounting plate.
In the embodiment of the utility model, the distance between the first mounting surface and the second mounting surface in the height direction of the mounting plate is 20-30 mm.
In the embodiment of the utility model, the limiting surface is bent along the same direction as the first wall to form a third wall, and the third wall is provided with a supporting surface matched with the first mounting surface.
The second mounting surface in the embodiment of the utility model is formed by a plurality of separated planes, and the plurality of planes are formed by directly bending the mounting plate or fixedly connecting a plurality of connecting sheets, so that the second mounting surface is formed on the plurality of connecting sheets.
The embodiment of the utility model also provides a sofa frame body, which comprises: a seat unit formed by the mounting plate:
a suspension mechanism connected to the mounting plate;
a backrest unit provided on the mounting plate; and
and a leg unit connected to the mounting plate.
The suspension mechanism comprises a connecting rod structure, wherein the connecting rod structure is connected with the mounting plate through a first riveting point and a second riveting point on the mounting plate; the leg unit is connected with the mounting plate through a third riveting point and a fourth riveting point on the mounting plate; wherein the first rivet point, the second rivet point and the third rivet point are all positioned below the first mounting surface; the perpendicular distance between the center of the fourth riveting point and the extension line of the first mounting surface of the mounting plate is not more than 10mm, and the fourth riveting point is positioned below the second mounting surface.
The connecting rod structure comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein one end of the first connecting rod is hinged to a first riveting point of the mounting plate, and the other end of the first connecting rod is hinged to the third connecting rod; one end of the second connecting rod is hinged to a second riveting point of the mounting plate, and the other end of the second connecting rod is hinged to the third connecting rod; the first connecting rod, the second connecting rod, the third connecting rod and the mounting plate form a first four-connecting-rod structure;
the suspension mechanism further comprises a control structure, wherein the control structure comprises a first control connecting rod, a second control connecting rod, a third control connecting rod and a fourth control connecting rod; wherein one end of the second control link is hinged with the first control link, and the other end of the second control link is hinged with the third control link; one end of the fourth control link is hinged with the first control link, and the other end of the fourth control link is hinged with the third control link; the first control connecting rod, the second control connecting rod, the third control connecting rod and the fourth control connecting rod form a second four-connecting-rod structure.
The control structure of the embodiment of the utility model further comprises a fifth control connecting rod, a sixth control connecting rod and a seventh control connecting rod; wherein one end of the fifth control link is hinged to the fourth control link and the other end thereof is hinged to the third link; one end of the sixth control link is hinged with the second control link, and the other end of the sixth control link is hinged with the third link; one end of the seventh control link is hinged to one end of the second control link, and the other end of the seventh control link is hinged to the third link.
Compared with the prior art, the utility model has one or more of the following advantages or effects: the structure is simple, and the design is reasonable; through the arrangement of the first mounting surface and the second mounting surface, the screw mounting positions (i.e. the number of the fixing holes) can be increased, and when a small part of the fixing holes fail, the wood frame can still be effectively fixed; the first wall and the second wall are arranged along opposite directions, so that when the screws are fixed, all the screws are divided into two rows, one row is arranged on the first mounting surface, and the other row is arranged on the second mounting surface, thereby avoiding all the screws on the same row and reducing the risk of wood frame cracks.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a sofa frame in an embodiment of the present utility model, showing the sofa frame in a sitting position.
Fig. 2 is a schematic perspective view of a sofa frame in the embodiment of the utility model, which shows that the sofa frame is in a sitting posture.
Fig. 3 is a schematic view of the cooperation of the seat unit, linkage structure, foot unit, backrest unit and control structure, shown in a recreational posture.
Fig. 4 is a schematic illustration of the cooperation of the seat unit, linkage structure, foot unit, backrest unit and control structure, shown in a recumbent position.
Fig. 5 is a second schematic view of the cooperation of the seat unit, linkage structure, foot unit, backrest unit and control structure, shown in a lying position.
Fig. 6 is a schematic perspective view of a sofa frame in some embodiments, showing the sofa frame in a sitting position.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
Referring to fig. 1 to 5, the sofa frame of the present embodiment is applicable to a sofa, a seat or a wheelchair, and is particularly applicable to a handrail floor-driven sofa, and includes a seat unit 1, a leg unit 2, a backrest unit 3, a link structure 4 and a control structure 5. Wherein the suspension mechanism comprises a linkage structure 4 and a control structure 5.
In the present embodiment, the seat unit 1 includes a mounting plate 11; the suspension mechanism is connected with the mounting plate 11; the backrest unit 3 is arranged on the mounting plate 11; the leg unit 2 is connected to a mounting plate 11.
The mounting board 11 in this embodiment is provided with a first mounting surface 1101 and a second mounting surface 1102, the first mounting surface 1101 and the second mounting surface 1102 keep a distance in the height direction of the mounting board 11, and the first mounting surface 1101 and the second mounting surface 1102 are provided with fixing holes. The fixing holes are used for installing the wood frame. When the wood frame is fixed, the lower wood frame base is mounted to the first mounting surface 1101 by screws (fixed to the fixing holes by screws), and the upper wood frame is mounted to the second mounting surface 1102 by screws. By arranging the first mounting surface 1101 and the second mounting surface 1102, the screw mounting positions (i.e., the number of the fixing holes) can be increased, and when a small part of the fixing holes fail, the wooden frame can still be effectively fixed.
In this embodiment, the second mounting surface 1102 is disposed at an end of the mounting plate 11 remote from the backrest unit 3. In some embodiments, the second mounting surface 1102 may be disposed at other locations on the mounting plate 11, such as at an end of the mounting plate 11 near the backrest unit 3 or at a middle location of the mounting plate 11.
As shown in fig. 1, in this embodiment, the second mounting surface 1102 is a continuous plane. In some embodiments, as shown in fig. 6, the second mounting surface 1102 is comprised of a plurality of separate planar surfaces. The plurality of planes may be formed by directly bending the mounting plate 11 (integrally formed), or may be fixedly connected to a plurality of connecting pieces by welding or hinging, etc., and the second mounting surface 1102 is formed on the plurality of connecting pieces.
The first mounting surface 1101 and the second mounting surface 1102 of this embodiment have a distance of 20mm to 30mm in the height direction of the mounting plate 11. The distance is matched with the height dimension of the lower wood frame base.
In this embodiment, the mounting plate 11 is bent along a direction to form a first wall 1104, the first mounting surface 1101 is formed on the first wall 1104, the mounting plate 11 is bent along a direction opposite to the first wall 1104 to form a second wall 1105, and the second mounting surface 1102 is formed on the second wall 1105. The first wall 1104 and the second wall 1105 are disposed in opposite directions, so that when the screws are fixed, all the screws are divided into two rows, one row is disposed on the first mounting surface 1101 for fixing the wood frame base, and the other row is disposed on the second mounting surface 1102 for fixing the upper wood frame, thereby avoiding all the screws on the same row or the same part of the wood frame, and reducing the risk of cracking the wood frame.
In this embodiment, a limiting surface 1103 is formed between the first mounting surface 1101 and the second mounting surface 1102 in the height direction of the mounting plate 11. The limiting surface 1103 plays a role in limiting and supporting the lower wood frame base of the wood frame in the width direction of the sofa frame body so as to play a role in stabilizing the wood frame.
In this embodiment, the stop surface 1103 is bent along the same direction as the first wall 1104 to form a third wall 1106, the third wall 1106 has a supporting surface 1107 matching with the first mounting surface 1101, and the supporting surface 1107 is located in the extending direction of the first mounting surface 1101 along the length direction, and the heights of the supporting surface 1107 and the first mounting surface are the same or approximately the same. The support surface 1107 further supports the wood frame, thereby improving stability.
The link structure 4 (suspension mechanism) in the present embodiment is connected to the mounting plate 11 by a first rivet point 1111 and a second rivet point 1112 on the mounting plate 11. The leg unit 2 in this embodiment is connected to the mounting plate 11 by a third rivet 1113 and a fourth rivet 1114 on the mounting plate 11. As shown in fig. 3, in the use state, the first caulking point 1111, the second caulking point 1112, and the third caulking point 1113 are all located below the first mounting surface 1101. A fourth rivet point 1114 is located below the second mounting surface 1102.
In some embodiments, the first rivet point 1111, the second rivet point 1112, the third rivet point 1113, and the fourth rivet point 1114 are each no more than 20mm from the first mounting surface 1101 of the mounting plate 11 (or from the line of extension of the first mounting surface 1101) when the sofa frame is in use. In some embodiments, the fourth rivet point 1114 is not more than 10mm from the line of extension of the first mounting surface 1101 of the mounting plate 11 when the sofa frame is in use. In some embodiments, the center of the fourth rivet 1114 is located above the first mounting surface 1101 and the center of the fourth rivet 1114 is not more than 1mm from the perpendicular to the line of extension of the first mounting surface 1101 of the mounting plate 11 when the sofa frame is in use. Preferably, in some embodiments, the fourth rivet point 1114 is located within 10mm above the first mounting surface 1101 or within 10mm above the lengthwise extension line when the sofa frame is in use. More preferably, in some embodiments, the fourth rivet point 1114 is located within 1mm above the first mounting surface 1101 or within 1mm above the lengthwise extension line when the sofa frame is in use. Further preferably, in some embodiments, the fourth riveting point 1114 is not lower than the first mounting surface 1101 in the extending direction of the length direction of the first mounting surface 1101 when the sofa frame is in use, i.e. on a projection along the length direction of the first mounting surface 1101, the fourth riveting point 1114 coincides with the first mounting surface 1101 or is not higher than 1mm above the first mounting surface 1101. The distance in this embodiment refers to the vertical distance of the center point or center of the rivet point to the first mounting surface 1101 or the extension line of the first mounting surface 1101.
The link structure 4 in this embodiment is connected to the mounting plate 11 and specifically includes a first link 41, a second link 42, and a third link 43, and the suspension mechanism is connected through the first link 41 and the second link 42 and is used for the sofa frame. Wherein one end of the first link 41 is hinged to the mounting plate 11, specifically, one end of the first link 41 is hinged to a first riveting point 1111 of the mounting plate 11, further, one end of the first link 41 is directly hinged to the first riveting point 1111 of the mounting plate 11 by a rivet, the first riveting point 1111 is located below the first mounting surface 1101, the vertical distance between the first riveting point 1111 and the first mounting surface 1101 is less than 20mm, 15mm or 13mm, and the other end of the first link 41 is hinged to the third link 43; one end of the second link 42 is hinged to the mounting plate 11, specifically, one end of the second link 42 is hinged to the second riveting point 1112 of the mounting plate 11, further, one end of the second link 42 is directly hinged to the first riveting point 1112 of the mounting plate 11 through a rivet, the vertical distance between the second riveting point 1112 and the first mounting surface 1101 is less than 20mm, 15mm or 13mm, and the other end of the second link 42 is hinged to the third link 43. The hinge points of the first link 41 and the third link 43 and the hinge points of the second link 42 and the third link 43 are respectively located at two ends of the third link 43. The leg unit 2 in this embodiment further includes a link adjustment lever 28, and the link adjustment lever 28 is connected to the leg unit 2, so that the link structure 4 is linked with the leg unit 2. The first link 41 in this embodiment has a substantially "1" shape.
The first link 41, the second link 42, the third link 43, and the sofa frame (mounting plate 11) to which they are connected in this embodiment form a first four-bar structure.
The backrest unit 3 in this embodiment is provided on the mounting plate 11. The device specifically comprises a fixed plate 31, a first backrest adjusting rod 32, a second backrest adjusting rod 33, a third backrest adjusting rod 34 and a fourth backrest adjusting rod 35, wherein the fixed plate 31 is fixed on a mounting plate 11, the first backrest adjusting rod 32 is provided with a mounting part 321 for mounting a backrest, one end of the first backrest adjusting rod 32 is hinged on the fixed plate 31, and when the first backrest adjusting rod 32 rotates by taking a hinge point of the first backrest adjusting rod 32 and the fixed plate 31 as an axis, the angle of the mounting part 321 can be adjusted; the third backrest adjusting rod 34 is hinged on the fixed plate 31 and is provided with a first arm 341 and a second arm 342; one end of the second back adjustment lever 33 is hinged to the first back adjustment lever 32, and the other end thereof is hinged to the first arm 341 of the third back adjustment lever 34; the second arm 342 of the third backrest adjustment rod 34 is hinged to the fourth backrest adjustment rod 35; the fourth backrest adjusting rod 35 is connected with the control structure 5, so that the control structure 5 and the backrest unit 3 are linked.
The fixing portion 31 in this embodiment is "U" shaped. Specifically, the fixing portion 31 includes a main body 311, a first support arm 312, and a second support arm 313, the first backrest adjustment lever 32 is hinged to the first support arm 312, and the third backrest adjustment lever 34 is hinged to the second support arm 313. The fixing portion 31 is provided with a reinforcing rib 314, and the reinforcing rib 314 is disposed on the main body portion 311 and extends at least to the first support arm 312. Further, the reinforcing bars 314 extend to the second support arms 313. In use, the first support arm 312 will bear the weight of the user leaning against, and thus the provision of the stiffener 314 can raise the weight of the backrest unit 3 and raise the structural strength.
The control structure 5 in the present embodiment includes a first control link 51, a second control link 52, a third control link 53, a fourth control link 54, a fifth control link 55, a sixth control link 56, and a seventh control link 57; the fourth backrest adjusting rod 35 is hinged with the first control connecting rod 51, so that the linkage of the control structure 5 and the backrest unit 3 is realized; one end of the second control link 52 is hinged to the first control link 51, and the other end thereof is hinged to the third control link 53; one end of the fourth control link 54 is hinged to the first control link 51, and the other end thereof is hinged to the third control link 53; the first control link 51, the second control link 52, the third control link 53, and the fourth control link 54 form a second four-bar linkage.
The first control link 51 in this embodiment is provided with at least one set of relief holes 511. To facilitate tightening of the screw below the first control link 51. The third link 43 in this embodiment is provided with a notch 431, and the notch 431 corresponds to the yielding hole 511 to play a yielding role.
The control structure 5 in this embodiment is connected with the link structure 4 to achieve linkage. Specifically, one end of the fifth control link 55 is hinged to the fourth control link 54 (hinged to a middle position of the fourth control link 54), and the other end thereof is hinged to the third link 43; one end of the sixth control link 56 is hinged to the second control link 52 (hinged to the middle position of the second control link 52), and the other end thereof is hinged to the third link 43; one end of the seventh control link 57 is hinged to one end of the second control link 52, and the other end thereof is hinged to the third link 43. Thus realizing the linkage of the control structure 5 and the connecting rod structure 4.
The leg unit 2 in this embodiment is connected to a mounting plate 11. The leg unit 2 specifically includes a first leg adjustment lever 21, a second leg adjustment lever 22, a third leg adjustment lever 23, a fourth leg adjustment lever 24, a fifth leg adjustment lever 25, a sixth leg adjustment lever 26, and a seventh leg adjustment lever 27. One end of the first leg adjusting lever 21 in the present embodiment is hinged to the third leg adjusting lever 23, and the first leg adjusting lever 21 is hinged to the second leg adjusting lever 22 at the middle position thereof; one end of the second leg adjusting lever 22 is hinged to a fourth leg adjusting lever 24, the fourth leg adjusting lever 24 (at the middle portion thereof) is hinged to a third leg adjusting lever 23, and the other end of the fourth leg adjusting lever 24 opposite to the first leg adjusting lever 21 is hinged to a sixth leg adjusting lever 26; one end of the fifth leg adjusting lever 25 is hinged to the third leg adjusting lever 23, and the other end is hinged to the seventh leg adjusting lever 27; the seventh leg adjusting lever 27 is hinged to the mounting plate 11, specifically, one end of the seventh leg adjusting lever 27 is hinged to the third riveting point 1113 of the mounting plate 11, further, one end of the seventh leg adjusting lever 27 is directly hinged to the third riveting point 1113 of the mounting plate 11 by a rivet, and the vertical distance between the third riveting point 1113 and the first mounting surface 1101 is less than 20mm, 15mm or 13mm; the sixth leg adjusting lever 26 is hinged to the mounting plate 11, specifically, one end of the sixth leg adjusting lever 26 is hinged to the mounting plate 11 at a fourth riveting point 1114, further, one end of the sixth leg adjusting lever 26 is directly hinged to the mounting plate 11 at the fourth riveting point 1114 by a rivet, and the vertical distance between the fourth riveting point 1114 and the first mounting surface 1101 or the extension line of the first mounting surface 1101 is less than 10mm.
Further, the fourth rivet point 1114 is perpendicular to the first mounting surface 1101 or the line of extension of the first mounting surface 1101 less than 1mm. The middle position of the sixth leg adjusting lever 26 is hinged with the middle position of the fifth leg adjusting lever 25.
One end of the link adjustment lever 28 in this embodiment is hinged to the third link 43, and the other end thereof is hinged to the seventh leg adjustment lever 27. When the linkage adjustment lever 28 rotates, the leg unit 2 is controlled to be linked with the link structure 4.
The sofa frame body in the embodiment has a plurality of states when in a use state so as to provide different use postures. Specifically, the sofa frame body has a sitting posture state, a leisure posture state and a lying posture state.
As shown in fig. 1 to 2, the sofa frame is shown in a sitting position. At this time, the leg adjusting unit 2 is in a folded state, and the mounting portion 321 of the first backrest adjusting lever 32 is perpendicular or substantially perpendicular to the mounting plate 11 of the seat unit 1.
As shown in fig. 3, the sofa frame is shown in a rest position. The leg adjusting unit 2 thereof is unfolded to provide support for the legs, compared to the sitting posture.
As shown in fig. 4 to 5, the sofa frame is shown in a lying position. The backrest unit 3 is further tilted (the angle between the mounting portion 321 of the first backrest adjustment lever 32 and the mounting plate 11 of the seat unit 1 is increased) to allow the user to lie in the rest position.
The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. A mounting plate for a seat unit constituting a sofa frame, comprising:
the first mounting surface and the second mounting surface keep a distance in the height direction of the mounting plate, and fixing holes are formed in the first mounting surface and the second mounting surface.
2. The mounting plate of claim 1, wherein: the mounting plate is bent along a direction to form a first wall, the first mounting surface is formed on the first wall, the mounting plate is bent along a direction opposite to the first wall to form a second wall, and the second mounting surface is formed on the second wall.
3. A mounting plate according to claim 2, wherein: and a limiting surface is formed between the first mounting surface and the second mounting surface in the height direction of the mounting plate.
4. The mounting plate of claim 1, wherein: the distance between the first mounting surface and the second mounting surface in the height direction of the mounting plate is 20 mm-30 mm.
5. A mounting plate according to claim 3, wherein: the limiting surface is bent in the same direction as the first wall to form a third wall, and the third wall is provided with a supporting surface matched with the first mounting surface.
6. The mounting plate of claim 1, wherein: the second mounting surface is formed by a plurality of separated planes, and the plurality of planes are formed by directly bending the mounting plate or fixedly connecting a plurality of connecting sheets, so that the second mounting surface is formed on the plurality of connecting sheets.
7. A sofa frame, comprising: a seat unit constituted by a mounting plate according to any one of claims 1-6, and:
a suspension mechanism connected to the mounting plate;
a backrest unit provided on the mounting plate; and
and a leg unit connected to the mounting plate.
8. The sofa frame according to claim 7, wherein: the suspension mechanism comprises a connecting rod structure, and the connecting rod structure is connected with the mounting plate through a first riveting point and a second riveting point on the mounting plate; the leg unit is connected with the mounting plate through a third riveting point and a fourth riveting point on the mounting plate; wherein the first rivet point, the second rivet point and the third rivet point are all positioned below the first mounting surface; the perpendicular distance between the center of the fourth riveting point and the extension line of the first mounting surface of the mounting plate is not more than 10mm, and the fourth riveting point is positioned below the second mounting surface.
9. The sofa frame according to claim 8, wherein: the connecting rod structure comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein one end of the first connecting rod is hinged to a first riveting point of the mounting plate, and the other end of the first connecting rod is hinged to the third connecting rod; one end of the second connecting rod is hinged to a second riveting point of the mounting plate, and the other end of the second connecting rod is hinged to the third connecting rod; the first connecting rod, the second connecting rod, the third connecting rod and the mounting plate form a first four-connecting-rod structure;
the suspension mechanism further comprises a control structure, wherein the control structure comprises a first control connecting rod, a second control connecting rod, a third control connecting rod and a fourth control connecting rod; wherein one end of the second control link is hinged with the first control link, and the other end of the second control link is hinged with the third control link; one end of the fourth control link is hinged with the first control link, and the other end of the fourth control link is hinged with the third control link; the first control connecting rod, the second control connecting rod, the third control connecting rod and the fourth control connecting rod form a second four-connecting-rod structure.
10. The sofa frame according to claim 9, wherein: the control structure further comprises a fifth control connecting rod, a sixth control connecting rod and a seventh control connecting rod; wherein one end of the fifth control link is hinged to the fourth control link and the other end thereof is hinged to the third link; one end of the sixth control link is hinged with the second control link, and the other end of the sixth control link is hinged with the third link; one end of the seventh control link is hinged to one end of the second control link, and the other end of the seventh control link is hinged to the third link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601786.7U CN219556778U (en) | 2023-03-24 | 2023-03-24 | Mounting plate for seat unit forming sofa frame and sofa frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320601786.7U CN219556778U (en) | 2023-03-24 | 2023-03-24 | Mounting plate for seat unit forming sofa frame and sofa frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219556778U true CN219556778U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320601786.7U Active CN219556778U (en) | 2023-03-24 | 2023-03-24 | Mounting plate for seat unit forming sofa frame and sofa frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219556778U (en) |
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2023
- 2023-03-24 CN CN202320601786.7U patent/CN219556778U/en active Active
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