CN215533016U - Mechanical stretching device and suspension mechanism thereof - Google Patents
Mechanical stretching device and suspension mechanism thereof Download PDFInfo
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- CN215533016U CN215533016U CN202121921465.2U CN202121921465U CN215533016U CN 215533016 U CN215533016 U CN 215533016U CN 202121921465 U CN202121921465 U CN 202121921465U CN 215533016 U CN215533016 U CN 215533016U
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- 239000000725 suspension Substances 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000036544 posture Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a suspension mechanism for a mechanical stretching device, which is characterized by comprising a connecting rod structure and a control structure; the present invention also provides a mechanical stretching device, comprising: a seat unit; a leg unit; a backrest unit; a drive unit; and a suspension mechanism according to the utility model, wherein the seat unit linkage comprises a first link, a second link and a third link; 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; the connecting rod structure and the control structure form a suspension mechanism of the mechanical stretching device, the smoothness and the stability of stretching and contracting of the stretching device are improved, and the service life is prolonged.
Description
Technical Field
The utility model relates to a mechanical stretching device and a suspension mechanism thereof.
Background
In the existing sofas, seats or wheelchairs, which are usually internally equipped with an electric or manual mechanical extension device, 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 prior art electromechanical stretching apparatus includes a seat unit, a leg unit, a backrest unit, a link structure and a driving unit, which controls stretching of the leg unit and angle adjustment of the backrest unit by the driving unit. The electromechanical stretching devices of the prior art have the following drawbacks: the connecting rod structure is unreasonable in structural design, so that the operation is not smooth enough, the use experience is influenced, and the connecting rod structure has the problem of low structural strength; the structural strength of the back unit is low, so that it may be easily damaged in use.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcome the above-mentioned deficiencies in the prior art and to provide a mechanical stretching device and a suspension mechanism with a reasonable design.
The technical scheme adopted by the embodiment of the utility model for solving the problems is as follows: a hitch mechanism for a mechanical stretching apparatus, said hitch mechanism being mounted to a mounting plate of said mechanical stretching apparatus, comprising:
the connecting rod structure is connected with the mounting plate and 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 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 on the mounting plate, and the other end of the second connecting rod is hinged with 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; and
the control structure is connected with the connecting rod structure and 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 to the first control link, and the other end thereof is hinged to the third control link; one end of the fourth control connecting rod is hinged with the first control connecting rod, and the other end of the fourth control connecting rod is hinged with the third control connecting rod; the first control link, the second control link, the third control link, and the fourth control link form a second four-link structure.
The control structure of the embodiment of the utility model also comprises a fifth control connecting rod, a sixth control connecting rod and a seventh control connecting rod; one end of the fifth control connecting rod is hinged with the fourth control connecting rod, and the other end of the fifth control connecting rod is hinged with the third connecting rod; one end of the sixth control connecting rod is hinged with the second control connecting rod, and the other end of the sixth control connecting rod is hinged with the third connecting rod; one end of the seventh control link is hinged to one end of the second control link, and the other end thereof is hinged to the third link.
The embodiment of the utility model also provides a mechanical stretching device, which comprises the suspension mechanism for the mechanical stretching device, and is characterized in that: the suspension mechanism further comprises a seat unit, wherein the seat unit comprises the mounting plate and a mounting plane, and the mounting plate is used for mounting the suspension mechanism.
The backrest unit comprises a fixing plate, a first backrest adjusting rod, a second backrest adjusting rod, a third backrest adjusting rod and a fourth backrest adjusting rod, wherein the fixing plate is fixed on the mounting plate, and one end of the first backrest adjusting rod is hinged to the fixing plate; the third backrest adjusting rod is hinged on the fixing plate and is provided with a first arm and a second arm; one end of the second backrest adjusting rod is hinged with the first backrest adjusting rod, and the other end of the second backrest adjusting rod is hinged with the first arm of the third backrest adjusting rod; a second arm of the third backrest adjusting rod is hinged with one end of the fourth backrest adjusting rod; the other end of the fourth backrest adjusting rod is hinged with the first control connecting rod.
The fixing plate comprises a main body part, a first supporting arm and a second supporting arm, the first backrest adjusting rod is hinged to the first supporting arm, the third backrest adjusting rod is hinged to the second supporting arm, and reinforcing ribs are arranged on the fixing plate.
The leg unit comprises a first leg adjusting rod, a second leg adjusting rod, a third leg adjusting rod, a fourth leg adjusting rod, a fifth leg adjusting rod, a sixth leg adjusting rod and a seventh leg adjusting rod; one end of the first leg adjusting rod is hinged with the fourth leg adjusting rod, and the middle position of the first leg adjusting rod is hinged with the second leg adjusting rod; the third leg adjusting rod is provided with a first hinge point, a second hinge point and a third hinge point, one end of the second leg adjusting rod is hinged to the first hinge point of the third leg adjusting rod, the fourth leg adjusting rod is hinged to the second hinge point of the third leg adjusting rod, and the other end of the fourth leg adjusting rod, relative to the first leg adjusting rod, is hinged to the sixth leg adjusting rod; one end of the fifth leg adjusting rod is hinged to a third hinge point of the third leg adjusting rod, and the other end of the fifth leg adjusting rod is hinged to the seventh leg adjusting rod; the seventh leg adjusting rod is hinged with the mounting plate; the sixth leg adjusting rod is hinged to the mounting plate, and the middle position of the sixth leg adjusting rod is hinged to the middle position of the fifth leg adjusting rod.
The leg unit of the embodiment of the utility model further comprises a linkage adjusting rod, one end of the linkage adjusting rod is hinged with the first connecting rod, and the other end of the linkage adjusting rod is hinged with the seventh leg adjusting rod.
The linkage adjusting rod provided by the embodiment of the utility model is provided with a first part and a second part, one end of the first part is hinged with the seventh leg adjusting rod, one end of the second part is hinged with the first connecting rod, and the first part and the second part form an included angle which is an obtuse angle.
The embodiment of the utility model also comprises a driving unit, wherein the driving unit comprises a first support, a second support and a telescopic unit, and two ends of the telescopic unit are respectively connected with the first support and the second support; the first bracket is connected with the first control connecting rod; the second support is connected with the sixth leg adjusting rod, and the telescopic unit pushes the second support and enables the rotation angle of the second support to be forward, so that the sixth leg adjusting rod is pushed out.
The mechanical stretching device of the embodiment of the utility model comprises a suspension mechanism for the mechanical stretching device, wherein the first connecting rod is L-shaped.
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; the adjustment of various states of the seat frame can be completed only by one power unit, so that the cost is relatively reduced; the connecting rod structure and the control structure are more compact in structure and more reasonable in design, so that the adjusting and running of the connecting rod structure and the control structure are smoother, and the use comfort is improved; the structural strength of the backrest unit is improved, and the backrest unit is not easy to be damaged smoothly during use.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only 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 front view of a mechanical stretching device in an embodiment of the present invention, showing the mechanical stretching device in a sitting position.
Fig. 2 is a schematic perspective view of a mechanical stretching device in an embodiment of the present invention, showing the mechanical stretching device in a sitting position.
Fig. 3 is a front view of the mechanical stretching device in the embodiment of the present invention, showing the mechanical stretching device in a leisure posture.
Fig. 4 is a schematic perspective view of the mechanical stretching device in the embodiment of the present invention, showing the mechanical stretching device in a leisure posture.
Fig. 5 is a schematic perspective view of the mechanical stretching device in the embodiment of the present invention, showing the mechanical stretching device in a lying posture.
Fig. 6 is a first schematic view of the combination of the seat unit, the leg unit, the backrest unit, the linkage structure and the control structure, showing the mechanical stretching device in a lying position.
Fig. 7 is a second schematic view of the seat unit, the leg unit, the backrest unit, the linkage structure and the control structure, showing the mechanical stretching device in a lying posture.
Fig. 8 is a schematic view of the seat unit back unit, linkage arrangement and control arrangement in cooperation showing the mechanical stretcher in a sitting position.
Description of reference numerals: 1. a seat unit; 11. mounting a plate; 2. a leg unit; 21. a first leg adjustment lever; 22. a second leg adjustment lever; 23. a third leg adjusting rod; 231. a first hinge point; 232. a second hinge point; 233. a third hinge point; 24. a fourth leg adjusting lever; 25. a fifth leg adjustment lever; 26. a sixth leg adjustment lever; 27. a seventh leg adjusting lever; 28. a linkage adjusting rod; 281. a first portion; 282. a second portion; 3. a backrest unit; 31. a fixing plate; 311. a main body portion; 312. a first support arm; 313 a second support arm; 314. reinforcing ribs; 32. a first backrest adjustment lever; a mounting portion 321; 33. a second backrest adjusting rod; 34. a third backrest adjusting rod; 341. a first arm; 342. a second arm; 35. a fourth backrest adjusting rod; 4. a link unit; 41. a first link; 42. a second link; 43. a third link; 5. a control structure; 51. a first control link; 52. a second control link; 53. a third control link; 54. a fourth control link; 55. a fifth control link; 56. a sixth control link; 57. a seventh control link; 6. a drive unit; 61. a first bracket; 62. a second bracket; 63. A telescoping unit.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1 to 8, the mechanical stretching apparatus of the present embodiment, which is suitable for a sofa, a seat or a wheelchair, includes a seat unit 1, a leg unit 2, a backrest unit 3, a link structure 4, a control structure 5 and a driving unit 6. Wherein the link construction 4 and the control construction 5 form a suspension mechanism of the mechanical extension arrangement on which the suspension mechanism is mounted.
The seat unit 1 in this embodiment includes a mounting plate 11. The upper plane of the mounting plate 11 is used for mounting a seat soft body. The suspension mechanism is mounted on the mounting plate 11.
The link structure 4 in this embodiment is connected to the mounting plate 11, specifically, the link structure 4 includes a first link 41, a second link 42 and a third link 43, wherein one end of the first link 41 is hinged to the mounting plate 11, and the other end thereof is hinged to the third link 43; one end of the second link 42 is hinged to the mounting plate 11, and the other end thereof is hinged to the third link 43. The hinge point of the first link 41 and the third link 43 and the hinge point of the second link 42 and the third link 43 are respectively located at two ends of the third link 43, and the first link 41, the second link 42, the third link 43 and the mounting plate 11 form a first four-link structure. The first link 41 in this embodiment is substantially "L" shaped to provide greater structural strength and smoother operation of the link structure 4. The backrest unit 3 in this embodiment is provided on the mounting plate 11. The backrest adjusting mechanism specifically comprises a fixing 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 fixing plate 31 is fixed on the mounting plate 11, one end of the first backrest adjusting rod 32 is provided with a mounting part 321 for mounting a backrest, the other end of the first backrest adjusting rod is hinged on the fixing plate 31, and when the first backrest adjusting rod 32 rotates by taking a hinged point of the first backrest adjusting rod and the fixing plate 31 as an axis, the angle of the mounting part 321 can be adjusted; the third backrest adjustment lever 34 is hinged to the fixed plate 31 and has 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 back adjustment lever 34 is hinged to one end of the fourth back adjustment lever 35; the other end of the fourth backrest adjusting lever 35 is hinged to the first control link 51, thereby achieving linkage of the control structure 5 and the backrest unit 3.
The fixing plate 31 in this embodiment is U-shaped. Specifically, the fixing plate 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 plate 31 is provided with a rib 314, and the rib 314 is provided on the body portion 311 and extends at least to the first support arm 312. Further, the reinforcing rib 314 extends to the second support arm 313. When the backrest unit is used, the first support arm 312 bears the weight of a user leaning against, so that the arrangement of the reinforcing rib 314 can improve the weight of the backrest unit 3 and improve the structural strength.
The control structure 5 in the present embodiment is connected to the connecting structure 4, and specifically 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; wherein one end of the second control link 52 is hinged with the first control link 51, and the other end thereof is hinged with the third control link 53 (see the positional relationship in fig. 8); 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, second, third and fourth control links 51, 52, 53 and 54 form a second four-link structure. The control structure 5 in this embodiment is connected to 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 the 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 (at a position in the middle of the second control link 52), and the other end thereof is hinged to the third link 43 (see the positional relationship in fig. 8); 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 (see the positional relationship in fig. 7, 8). Thereby realizing the linkage of the control structure 5 and the connecting rod structure 4.
As shown in fig. 7, in the present embodiment, a hinge point of the seventh control link 57 and the second control link 52, a hinge point of the third control link 53 and the second control link 52, a hinge point of the sixth control link 56 and the second control link 52, and a hinge point of the first control link 51 and the second control link 52 are sequentially arranged in the length direction of the second control link 52, and the hinge point of the seventh control link 57 and the second control link 52 and the hinge point of the first control link 51 and the second control link 52 are located at two ends of the second control link 52 in the length direction.
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.
In this embodiment, one end of the first leg adjustment lever 21 is hinged to the fourth leg adjustment lever 24, and the first leg adjustment lever 21 is hinged to the second leg adjustment lever 22 at the middle portion thereof.
The third leg adjusting rod 23 is substantially triangular, three corners of the third leg adjusting rod are respectively provided with a first hinge point 231, a second hinge point 232 and a third hinge point 233, wherein a connecting line between the first hinge point 231 and the third hinge point 233 is provided with a mounting plane for mounting the leg supporting soft body, one end of the second leg adjusting rod 22 is hinged to the first hinge point 231 of the third leg adjusting rod 23, the fourth leg adjusting rod 24 (at the middle position thereof) is hinged to the second hinge point 232 of the third leg adjusting rod 23, and the other end of the fourth leg adjusting rod 24 relative to the first leg adjusting rod 21 is hinged to the sixth leg adjusting rod 26; one end of the fifth leg adjusting lever 25 is hinged to the third hinge point 233 of the third leg adjusting lever 23, and the other end is hinged to the seventh leg adjusting lever 27; the seventh leg adjusting rod 27 is hinged with the mounting plate 11; the sixth leg adjusting lever 26 is hinged to the mounting plate 11, and the middle position of the sixth leg adjusting lever 26 is hinged to the middle position of the fifth leg adjusting lever 25.
The leg unit 2 in this embodiment further includes a linkage adjusting rod 28, specifically, the linkage adjusting rod 28 has a first portion 281 and a second portion 282, one end of the first portion 281 is hinged to the seventh leg adjusting rod 27, one end of the second portion 282 is hinged to the first link 41, when the seventh leg adjusting rod 27 moves, the linkage adjusting rod 28 is driven to rotate, and the control link structure 4 is linked with the leg unit 2. The first portion 281 and the second portion 282 form an included angle, which is an obtuse angle. Preferably, the included angle is 100 to 135 degrees. So that the operation of the linkage adjusting rod 28 is smoother when it is linked.
The drive unit 6 in this embodiment is connected to the control structure 5 and the leg unit 2, respectively. Specifically, the driving unit 2 includes a first bracket 61, a second bracket 62 and a telescopic unit 63, and two ends of the telescopic unit 63 are respectively connected with the first bracket 61 and the second bracket 62 to adjust the distance between the first bracket 61 and the second bracket 62; the driving unit 6 is connected with the control structure 5, in particular, the first bracket 61 is connected with the first control link 51; the drive unit 6 is connected to the leg adjustment unit 2, in particular the second bracket 62 is connected to the sixth leg adjustment bar 26. The telescopic unit 63 in this embodiment may be an electric adjustment structure mainly including a cylinder structure, a motor structure, and the like, so that the telescopic unit 63 can be extended and retracted. In other embodiments, the telescopic unit can be adjusted by a manual structure.
In this embodiment, as shown in fig. 2, at the time of the state adjustment, the telescopic unit 63 pushes the second bracket 62 and rotates the second bracket 62 forward by an angle, thereby pushing out the sixth leg adjustment lever 26.
The mechanical stretching device in this embodiment has several states to provide different use postures. Specifically, the mechanical stretching device has a sitting posture state, a leisure posture state and a lying posture state.
As shown in fig. 1 and 2, the mechanical stretching apparatus is shown in a sitting position. At this time, the leg adjustment unit 2 is in the folded state, and the mounting portion 321 of the first backrest adjustment lever 32 is perpendicular or substantially perpendicular to the mounting plate 11 of the seat unit 1.
As shown in fig. 3 and 4, the mechanical stretching apparatus is shown in a leisure posture. The leg adjustment unit 2 is deployed to provide support for the leg in comparison to a sitting position.
As shown in fig. 5, the mechanical stretching device is shown in a lying position. The backrest unit 3 is laid down further (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) than in the leisure posture so that the user can assume a lying posture.
The control principle of the mechanical stretching device in this embodiment is as follows: in the sitting posture, the driving unit 6 is in the initial state (the first bracket 61 and the second bracket 62 are closest to each other); when the telescopic unit 63 pushes the second bracket 62 and pushes the sixth leg adjustment lever 26 through the second bracket 62, the sixth leg adjustment lever 26 rotates with its hinge on the mounting plate 11 as an axis and unfolds the leg unit 2; when the extension unit 63 continues to extend, the first bracket 61 pushes the first control link 51, and the first control link 51 can adjust the angle of the backrest unit 3 (the angle of the mounting portion 321 of the first backrest adjustment lever 32 to the mounting plate 11 of the seat unit 1 increases).
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. A hitch mechanism for a mechanical stretching apparatus, said hitch mechanism being mounted to a mounting plate of said mechanical stretching apparatus, comprising:
the connecting rod structure is connected with the mounting plate and 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 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 on the mounting plate, and the other end of the second connecting rod is hinged with 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; and
the control structure is connected with the connecting rod structure and 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 to the first control link, and the other end thereof is hinged to the third control link; one end of the fourth control connecting rod is hinged with the first control connecting rod, and the other end of the fourth control connecting rod is hinged with the third control connecting rod; the first control link, the second control link, the third control link, and the fourth control link form a second four-link structure.
2. A suspension mechanism for a mechanical extension device as claimed in claim 1, wherein: the control structure further comprises a fifth control connecting rod, a sixth control connecting rod and a seventh control connecting rod; one end of the fifth control connecting rod is hinged with the fourth control connecting rod, and the other end of the fifth control connecting rod is hinged with the third connecting rod; one end of the sixth control connecting rod is hinged with the second control connecting rod, and the other end of the sixth control connecting rod is hinged with the third connecting rod; one end of the seventh control link is hinged to one end of the second control link, and the other end thereof is hinged to the third link.
3. A mechanical stretching apparatus comprising the suspension mechanism for a mechanical stretching apparatus according to claim 1 or 2, wherein: the suspension mechanism further comprises a seat unit, wherein the seat unit comprises the mounting plate and a mounting plane, and the mounting plate is used for mounting the suspension mechanism.
4. A mechanical stretching apparatus as claimed in claim 3, wherein: the backrest unit comprises a fixing plate, a first backrest adjusting rod, a second backrest adjusting rod, a third backrest adjusting rod and a fourth backrest adjusting rod, wherein the fixing plate is fixed on the mounting plate, and one end of the first backrest adjusting rod is hinged to the fixing plate; the third backrest adjusting rod is hinged on the fixing plate and is provided with a first arm and a second arm; one end of the second backrest adjusting rod is hinged with the first backrest adjusting rod, and the other end of the second backrest adjusting rod is hinged with the first arm of the third backrest adjusting rod; a second arm of the third backrest adjusting rod is hinged with one end of the fourth backrest adjusting rod; the other end of the fourth backrest adjusting rod is hinged with the first control connecting rod.
5. The mechanical stretching apparatus of claim 4, wherein: the fixing plate comprises a main body part, a first supporting arm and a second supporting arm, the first backrest adjusting rod is hinged to the first supporting arm, the third backrest adjusting rod is hinged to the second supporting arm, and reinforcing ribs are arranged on the fixing plate.
6. A mechanical stretching apparatus as claimed in claim 3, wherein: the leg unit comprises a first leg adjusting rod, a second leg adjusting rod, a third leg adjusting rod, a fourth leg adjusting rod, a fifth leg adjusting rod, a sixth leg adjusting rod and a seventh leg adjusting rod; one end of the first leg adjusting rod is hinged with the fourth leg adjusting rod, and the middle position of the first leg adjusting rod is hinged with the second leg adjusting rod; the third leg adjusting rod is provided with a first hinge point, a second hinge point and a third hinge point, one end of the second leg adjusting rod is hinged to the first hinge point of the third leg adjusting rod, the fourth leg adjusting rod is hinged to the second hinge point of the third leg adjusting rod, and the other end of the fourth leg adjusting rod, relative to the first leg adjusting rod, is hinged to the sixth leg adjusting rod; one end of the fifth leg adjusting rod is hinged to a third hinge point of the third leg adjusting rod, and the other end of the fifth leg adjusting rod is hinged to the seventh leg adjusting rod; the seventh leg adjusting rod is hinged with the mounting plate; the sixth leg adjusting rod is hinged to the mounting plate, and the middle position of the sixth leg adjusting rod is hinged to the middle position of the fifth leg adjusting rod.
7. The mechanical stretching apparatus of claim 6, wherein: the leg unit further comprises a linkage adjusting rod, one end of the linkage adjusting rod is hinged to the first connecting rod, and the other end of the linkage adjusting rod is hinged to the seventh leg adjusting rod.
8. The mechanical stretching apparatus of claim 7, wherein: the linkage adjusting rod is provided with a first part and a second part, one end of the first part is hinged to the seventh leg adjusting rod, one end of the second part is hinged to the first connecting rod, and an included angle is formed between the first part and the second part and is an obtuse angle.
9. The mechanical stretching apparatus of claim 6, wherein: the device also comprises a driving unit, wherein the driving unit comprises a first support, a second support and a telescopic unit, and two ends of the telescopic unit are respectively connected with the first support and the second support; the first bracket is connected with the first control connecting rod; the second support is connected with the sixth leg adjusting rod, and the telescopic unit pushes the second support and enables the rotation angle of the second support to be forward, so that the sixth leg adjusting rod is pushed out.
10. A mechanical stretching apparatus as claimed in claim 3, wherein: the mechanical extension device comprises a suspension mechanism as claimed in claim 1 or 2, wherein the first link is "L" shaped.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121921465.2U CN215533016U (en) | 2021-08-17 | 2021-08-17 | Mechanical stretching device and suspension mechanism thereof |
| US18/292,400 US20250082099A1 (en) | 2021-08-17 | 2022-08-17 | Mechanical Extension Device and Suspension Mechanism Thereof |
| EP22857825.8A EP4368068A1 (en) | 2021-08-17 | 2022-08-17 | Mechanical extension device and suspension mechanism thereof |
| PCT/CN2022/112900 WO2023020514A1 (en) | 2021-08-17 | 2022-08-17 | Mechanical extension device and suspension mechanism thereof |
| EP25151920.3A EP4527254A2 (en) | 2021-08-17 | 2022-08-17 | Mechanical extension device and suspension mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121921465.2U CN215533016U (en) | 2021-08-17 | 2021-08-17 | Mechanical stretching device and suspension mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215533016U true CN215533016U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121921465.2U Active CN215533016U (en) | 2021-08-17 | 2021-08-17 | Mechanical stretching device and suspension mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215533016U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475885A (en) * | 2021-08-17 | 2021-10-08 | 德沃康科技集团有限公司 | Mechanical stretching device and suspension mechanism thereof |
| WO2023020514A1 (en) * | 2021-08-17 | 2023-02-23 | 德沃康科技集团有限公司 | Mechanical extension device and suspension mechanism thereof |
-
2021
- 2021-08-17 CN CN202121921465.2U patent/CN215533016U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113475885A (en) * | 2021-08-17 | 2021-10-08 | 德沃康科技集团有限公司 | Mechanical stretching device and suspension mechanism thereof |
| WO2023020514A1 (en) * | 2021-08-17 | 2023-02-23 | 德沃康科技集团有限公司 | Mechanical extension device and suspension mechanism thereof |
| CN113475885B (en) * | 2021-08-17 | 2025-02-07 | 德沃康科技集团有限公司 | A mechanical extension device and its suspension mechanism |
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