CN213262077U - Stepless regulating mechanism for angle of chair armrest - Google Patents
Stepless regulating mechanism for angle of chair armrest Download PDFInfo
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- CN213262077U CN213262077U CN202022263645.8U CN202022263645U CN213262077U CN 213262077 U CN213262077 U CN 213262077U CN 202022263645 U CN202022263645 U CN 202022263645U CN 213262077 U CN213262077 U CN 213262077U
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Abstract
The utility model relates to a stepless adjusting mechanism for the angle of a chair armrest, which comprises a fixed plate, wherein a supporting plate is rotatably arranged at the upper end of the fixed plate, and a slide rail is rotatably arranged at the lower end of the fixed plate; the rear end of the supporting plate is rotationally connected with the fixed plate, a supporting seat is fixedly arranged below the front end of the supporting plate, a rotation-linear conversion mechanism is arranged between the supporting seat and the slide rail, and the distance between the supporting seat and the slide rail is adjusted through the rotation-linear conversion mechanism; the locking mechanism locks the rotation of the rotation-linear conversion mechanism; make locking mechanism will rotate-the rotation unblock of sharp shifter through pressing the button, the synchronous application of force makes it rotate for the fixed plate in the backup pad, and the backup pad is through the supporting seat pulling or promote and rotate-sharp shifter for rotation-sharp shifter removes for slide rail length direction, realizes the backup pad, the angle modulation of armrest promptly, the utility model discloses a stepless regulation of angle, convenient operation is reliable, and stability is good, and user experience is good.
Description
Technical Field
The utility model belongs to the technical field of the seat technique and specifically relates to a stepless adjusting mechanism of armrest angle.
Background
The angular setting of the seat arm rests is an important parameter for seat comfort. In the prior art, the armrests of most seats only have two states of flat use and folding, namely, the armrests can only stay at two positions relative to the seat and cannot be parked at other angles; when the chair back is adjusted forwards or backwards, the armrests also incline forwards or backwards along with the chair, so that a lot of inconvenience is brought to the use of drivers and passengers, and the use comfort of the armrests is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a stepless adjusting mechanism for the angle of the seat armrest, which is reasonable in structure, so that the stepless adjustment of the angle of the seat armrest is realized, the operation is simple and convenient, the reliability is high, the stability is good, and the comfort level of the armrest in use is effectively improved.
The utility model discloses the technical scheme who adopts as follows:
a stepless adjusting mechanism for the angle of a chair armrest comprises a fixed plate, wherein a supporting plate is rotatably arranged at the upper end of the fixed plate, and a sliding rail is rotatably arranged at the lower end of the fixed plate; the rear end of the supporting plate is rotatably connected with the fixed plate, a supporting seat is fixedly arranged below the front end of the supporting plate, a rotation-linear conversion mechanism is arranged between the supporting seat and the slide rail, and the distance between the supporting seat and the slide rail is adjusted through the rotation-linear conversion mechanism; the locking mechanism locks the rotation of the rotation-linear conversion mechanism.
As a further improvement of the above technical solution:
the locking mechanism has the structure that: the button assembly is mounted through the supporting seat from bottom to top, and the top end of the button assembly is attached to the front end of the bottom of the lever I; and a second lever is arranged behind the first lever, a pull cable is arranged between the rear end of the first lever and the second lever together, and a rotation stopping piece is arranged on the second lever and locks the rotation of the rotation-linear conversion mechanism.
The second lever is longitudinally arranged, the top end of the second lever is clamped with the inhaul cable, the bottom end of the second lever is clamped with the rotation stopping piece, and the rotation stopping piece is a spline sleeve;
the nut is fixedly arranged on the side face of the sliding rail, the lead screw is spirally assembled through the nut, the length direction of the lead screw is consistent with the length direction of the sliding rail, the front end of the lead screw is provided with a spline part matched with the spline sleeve, the nut and the lead screw form a rotation-linear conversion mechanism, and an axial limiting mechanism is further arranged between the supporting seat and the front end part of the lead screw.
The middle part of the second lever is rotatably connected with the supporting seat through a pin shaft, a torsion spring is sleeved on the outer circumferential surface of the pin shaft, one end of the torsion spring is clamped on the second lever, and the other end of the torsion spring is clamped on the first lever; the first lever is horizontally arranged, and the middle of the first lever is rotatably connected with the supporting seat through another pin shaft.
The structure of the axial limiting mechanism is as follows: the screw rod support comprises a screw rod seat fixedly mounted at the rear end of a support seat, the front end of a screw rod penetrates through the screw rod seat, a shaft sleeve is mounted between the screw rod seat and the screw rod, a clamping groove is formed in the screw rod in front of the shaft sleeve along the circumferential direction, and a clamping spring is clamped in the clamping groove.
The second lever is horizontally arranged, the rear end of the second lever is clamped with the inhaul cable, and the bottom surface of the rear end of the second lever is provided with a rotation stopping piece which is a toothed plate;
a pinion is rotatably mounted at the end part of the sliding rail, a rack is arranged in the sliding rail below the pinion along the length direction, the top of the pinion is meshed with the toothed plate, the bottom of the pinion is meshed with the rack, and the pinion and the rack form a rotation-linear conversion mechanism;
the rear end of the supporting seat is rotatably provided with a supporting plate, the front end of the rack is fixedly installed with the supporting plate, and the rear end of the rack is supported by a sliding rail.
The front end of the second lever is rotatably connected with the supporting plate, and the middle of the first lever is rotatably connected with the supporting seat.
The stay cable is positioned above the supporting plate, and the end heads of the two ends of the stay cable downwards penetrate through the supporting plate; the two ends of the stay cable are respectively provided with a spherical structure, and the two ends of the stay cable positioned at the inner sides of the two spherical structures are respectively sleeved with a cable sleeve; the spherical structure at the front end of the inhaul cable is clamped with the first lever, the cable sleeve at the front end of the inhaul cable is clamped with the front end part of the supporting plate, and the spherical structure at the rear end of the inhaul cable is clamped with the second lever; the supporting plate is provided with a through hole for the rear end of the inhaul cable to penetrate through, and a cable sleeve at the rear end of the inhaul cable is clamped with a buckle at the hole edge of the through hole.
The button assembly is structurally characterized in that: the button seat penetrates through the supporting seat from bottom to top, and the top end of the button seat is clamped and fixed with the supporting seat through a barb structure; a button penetrates through the button base from bottom to top and is mounted, the top end of the button is in limit clamping with the button base through a barb structure, and the end head of the top end of the button is in contact with the bottom surface of the lever; and a spring is also arranged between the button and the button seat.
The upper end of the fixed plate is rotatably connected with the supporting plate through a sleeve, and the fixed plate is fixedly mounted with the external seat body through a fastener;
the number of the fasteners is two, one fastener penetrates through the middle of the sleeve, and the other fastener is located in the middle of the fixing plate.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation makes locking mechanism will rotate the rotation unblock of-linear conversion mechanism through pressing the button, and the synchronous application of force makes it rotate for the fixed plate in the backup pad, and the backup pad is through the supporting seat pulling or promote rotation-linear conversion mechanism for rotation-linear conversion mechanism removes for slide rail length direction, realizes the backup pad, the angle modulation of seat handrail promptly, and realize the infinitely variable control of angle by rotating-linear conversion mechanism, easy operation is convenient and reliable, and stability is good, has promoted use comfort greatly, and user experience is good.
The utility model discloses still include following advantage:
the rotation-linear conversion mechanism can be a screw rod nut combination or a pinion and rack combination, the rotation of a screw rod or a pinion is locked or unlocked through a locking mechanism, the rotation-linear conversion mechanism can be switched between transmission fit and non-transmission fit, force applied to the supporting plate is matched, the distance between the supporting seat and the sliding rail is adjusted, and the angle of the supporting plate is adjusted.
Drawings
Fig. 1 is a schematic structural diagram of the present invention (embodiment one).
Fig. 2 is an exploded view (another perspective) of fig. 1.
Fig. 3 is an installation schematic diagram between the locking mechanism and the button assembly and the screw rod of the present invention.
Fig. 4 is a schematic structural diagram of the present invention (embodiment two).
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
Wherein: 1. a support plate; 2. a locking mechanism; 3. a button assembly; 4. a supporting seat; 5. an axial limiting mechanism; 6. a screw rod; 7. a slide rail; 8. a fixing plate; 11. a through hole; 21. a cable; 22. a second lever; 23. a spline housing; 24. a torsion spring; 25. a first lever; 26. a toothed plate; 31. a button seat; 32. a spring; 33. a button; 51. a shaft sleeve; 52. a screw base; 53. a clamp spring; 61. a spline section; 62. a nut; 63. a card slot; 81. a fastener; 82. a sleeve; 91. a support plate; 92. a rack; 93. a pinion gear.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the stepless adjusting mechanism for the angle of the armrest of the seat of the present embodiment includes a fixing plate 8, a supporting plate 1 is rotatably installed at the upper end of the fixing plate 8, and a slide rail 7 is rotatably installed at the lower end of the fixing plate 8; the rear end of the supporting plate 1 is rotatably connected with the fixing plate 8, the supporting seat 4 is fixedly arranged below the front end of the supporting plate 1, the rotation-linear conversion mechanism is arranged between the supporting seat 4 and the slide rail 7, and the distance between the supporting seat 4 and the slide rail 7 is adjusted through the rotation-linear conversion mechanism; the locking mechanism 2 is further included, and the locking mechanism 2 locks the rotation of the rotation-linear conversion mechanism; the rotation of the rotation-linear conversion mechanism is unlocked by the locking mechanism 2 through pressing the button 33, the support plate 1 is synchronously applied with force to rotate relative to the fixed plate 8, the support plate 1 pulls or pushes the rotation-linear conversion mechanism through the support seat 4, so that the rotation-linear conversion mechanism moves relative to the length direction of the slide rail 7, the angle adjustment of the support plate 1, namely the chair armrest is realized, and the stepless angle adjustment is realized through the rotation-linear conversion mechanism.
As shown in fig. 2 and 3, the locking mechanism 2 has a structure in which: the button assembly comprises a first lever 25 rotatably mounted at the front end above a supporting seat 4, a button assembly 3 penetrates through the supporting seat 4 from bottom to top, and the top end of the button assembly 3 is attached to the front end of the bottom of the first lever 25; the rear part of the first lever 25 is provided with a second lever 22, the rear end of the first lever 25 and the second lever 22 are provided with a pull cable 21, and the second lever 22 is provided with a rotation stopping piece which locks the rotation of the rotation-linear conversion mechanism.
The inhaul cable 21 is positioned above the support plate 1, and the end heads of the two ends of the inhaul cable 21 downwards penetrate through the support plate 1; the ends of the two ends of the stay cable 21 are respectively provided with a spherical structure, and the two ends of the stay cable 21 positioned at the inner sides of the two spherical structures are respectively movably sleeved with a cable sleeve; the spherical structure at the front end of the inhaul cable 21 is clamped with the first lever 25, the cable sleeve at the front end of the inhaul cable 21 is clamped with the front end part of the support plate 1, and the spherical structure at the rear end of the inhaul cable 21 is clamped with the second lever 22; the supporting plate 1 is provided with a through hole 11 for the rear end of the stay cable 21 to penetrate through, and a cable sleeve at the rear end of the stay cable 21 is clamped with a buckle at the hole edge of the through hole 11.
The button assembly 3 has the structure that: the button seat 31 penetrates through the supporting seat 4 from bottom to top, and the top end of the button seat 31 is clamped and fixed with the supporting seat 4 through a barb structure; a button 33 penetrates through the button seat 31 from bottom to top, the top end of the button 33 is limited and clamped with the button seat 31 through a barb structure, and the end head of the top end of the button 33 is contacted with the bottom surface of the first lever 25; a spring 32 is also mounted between the button 33 and the button holder 31.
The upper end of the fixed plate 8 is rotatably connected with the supporting plate 1 through a sleeve 82, and the fixed plate 8 is fixedly arranged with the external seat body through a fastener 81;
the number of the fastening members 81 is two, one fastening member 81 penetrates the middle of the sleeve 82, and the other fastening member 81 is located in the middle of the fixing plate 8.
The rotation-linear conversion mechanism can be a screw-nut combination or a gear-rack combination, and the rotation of the screw 6 or the pinion 93 is locked or unlocked through the locking mechanism 2, so that the rotation-linear conversion mechanism can be switched between transmission fit and non-transmission fit, the force applied to the support plate 1 is matched, the distance between the support seat 4 and the slide rail 7 is adjusted, and the angle of the support plate 1 is adjusted.
The first embodiment is as follows: the rotation-linear conversion mechanism is a screw rod 6 and a nut 62 which are matched with each other.
The second lever 22 is longitudinally arranged, the top end of the second lever 22 is clamped with the inhaul cable 21, the bottom end of the second lever 22 is clamped with the rotation stopping piece, and the rotation stopping piece is a spline sleeve 23;
the nut 62 is fixedly installed on the side face of the sliding rail 7, the screw rod 6 is spirally assembled through the nut 62, the length direction of the screw rod 6 is consistent with that of the sliding rail 7, the spline part 61 matched with the spline sleeve 23 is arranged at the front end of the screw rod 6, the nut 62 and the screw rod 6 form a rotation-linear conversion mechanism, and the axial limiting mechanism 5 is further installed between the supporting seat 4 and the front end part of the screw rod 6.
The middle part of the second lever 22 is rotatably connected with the support seat 4 through a pin shaft, a torsion spring 24 is sleeved on the outer circumferential surface of the pin shaft, one end of the torsion spring 24 is clamped on the second lever 22, the other end of the torsion spring 24 is clamped on the first lever 25, the torsion spring 24 is used for keeping the relative position relation between the first lever 25 and the second lever 22, and when the spline part 61 of the screw rod 6 is matched with the spline sleeve 23, the torsion spring 24 limits the position change of the second lever 22, so that the rotation of the screw rod 6 is limited; the first lever 25 is horizontally arranged, and the middle part of the first lever 25 is rotatably connected with the support seat 4 through another pin shaft.
The structure of the axial limiting mechanism 5 is as follows: the screw rod fixing device comprises a screw rod seat 52 fixedly mounted at the rear end of a supporting seat 4, the front end of a screw rod 6 penetrates through the screw rod seat 52, a shaft sleeve 51 is mounted between the screw rod seat 52 and the screw rod 6, a clamping groove 63 is formed in the screw rod 6 in front of the shaft sleeve 51 along the circumferential direction, and a clamping spring 53 is clamped in the clamping groove 63; the shaft sleeve 51 is of a flange structure, and the side wall of the screw rod seat 52 sleeved on the screw rod 6 is positioned between the flange end of the shaft sleeve 51 and the clamp spring 53, so that the axial movement of the screw rod 6 relative to the screw rod seat 52 is limited while the axial rotation freedom of the screw rod relative to the screw rod seat 52 is ensured.
The first embodiment has the following use principle:
the button 33 is pressed upwards, the button 33 moves upwards relative to the button seat 31, the spring 32 is compressed, the top end of the button 33 pushes the front end of the first lever 25 upwards, the first lever 25 rotates relative to the supporting seat 4, the rear end of the first lever 25 swings downwards, the inhaul cable 21 is pulled, the top end of the second lever 22 is pulled by the inhaul cable 21 to swing backwards, the second lever 22 rotates relative to the supporting seat 4, the lower end of the second lever 22 swings forwards, the clamped spline sleeve 23 is driven to move forwards, the spline sleeve 23 is separated from the spline part 61 at the end part of the lead screw 6, and the rotation freedom degree of the lead screw 6 is released;
synchronously, a force is applied to the support plate 1 to rotate relative to the fixed plate 8, if the front end of the support plate 1 swings upwards relative to the fixed plate 8, the support plate 1 pulls the screw rod 6 through the support seat 4 and the axial limiting mechanism 5, so that the screw rod 6 moves forwards relative to the length direction of the slide rail 7 through the screw pair matching with the nut 62, namely, the screw rod 6 moves forwards relative to the length direction of the slide rail 7 while rotating relative to the slide rail 7, and thus, the angle adjustment of the support plate 1 relative to the fixed plate 8, namely the angle adjustment of the seat armrest relative to the seat is realized;
when the angle of the seat armrest is adjusted to a comfortable position, the force applied to the supporting plate 1 is released, the force pressing the button 33 is released, the button 33 is reset downwards under the action of the spring 32, the pushing force applied to the bottom surface of the front end of the first lever 25 is released, the first lever 25 is reset in a rotating mode relative to the supporting seat 4 under the action of the restoring force of the torsion spring 24, the pulling force applied to the front end of the inhaul cable 21 is released, the second lever 22 is reset in a rotating mode relative to the supporting seat 4, the spline sleeve 23 clamped at the bottom end of the second lever 22 moves backwards along with the force and is sleeved on the spline part 61 at the end of the lead screw 6 again, the rotating freedom degree of the lead screw 6 is limited, and the lead screw 6 is.
Example two: the rotation-linear conversion mechanism is a rack 92 and a pinion 93 that are engaged with each other.
As shown in fig. 4 and 5, the second lever 22 is horizontally arranged, the rear end of the second lever 22 is clamped with the cable 21, and the bottom surface of the rear end of the second lever 22 is provided with a rotation stopping piece which is a toothed plate 26;
a pinion 93 is rotatably mounted at the end part of the sliding rail 7, a rack 92 is arranged in the sliding rail 7 below the pinion 93 along the length direction, the top of the pinion 93 is meshed with the toothed plate 26, the bottom of the pinion 93 is meshed with the rack 92, and the pinion 93 and the rack 92 form a rotation-linear conversion mechanism;
the supporting plate 91 is rotatably arranged at the rear end of the supporting seat 4, the front end of the rack 92 is fixedly arranged with the supporting plate 91, and the rear end of the rack 92 is supported by the sliding rail 7.
The front end of the second lever 22 is rotatably connected with the supporting plate 91, and the middle part of the first lever 25 is rotatably connected with the supporting seat 4.
The second embodiment has the following use principle:
the user applies force in the same manner as in the first embodiment, i.e., presses the button 33 upward and applies force to the supporting plate 1 to rotate relative to the fixing plate 8;
when the button 33 is pressed upwards, the first lever 25 pulls the cable 21, the cable 21 pulls the rear end of the second lever 22 to swing upwards, so that the second lever 22 rotates relative to the supporting plate 91, the toothed plate 26 on the bottom surface of the rear end of the second lever 22 swings upwards and is separated from the pinion 93, and the rotational freedom degree of the pinion 93 is released;
when the support plate 1 is forced to rotate relative to the fixed plate 8, taking the example that the front end of the support plate 1 swings upwards relative to the fixed plate 8, the support plate 1 pulls the rack 92 through the support seat 4 and the supporting plate 91, so that the rack 92 moves forwards relative to the length direction of the slide rail 7 through meshing engagement with the pinion 93, and the pinion 93 rotates, so that the angle adjustment of the support plate 1 relative to the fixed plate 8, namely the angle adjustment of the seat armrest relative to the seat is realized;
when the angle of the armrest of the chair is adjusted to the comfortable position, the force applied to the support plate 1 and the push button 33 is released, the push button 33 is reset, the first lever 25 is reset, the second lever 22 is reset, the toothed plate 26 on the bottom surface of the second lever 22 is meshed with the pinion 93 again, the rotational freedom degree of the pinion 93 is limited, and the rack 92 is static relative to the sliding rail 7 through the pinion 93.
The utility model is simple in operation, convenient to use is swift, has realized the infinitely variable control of armrest angle, and good reliability has effectively promoted user's use comfort.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (10)
1. The utility model provides a stepless adjustment mechanism of seat handrail angle which characterized in that: the device comprises a fixed plate (8), wherein a supporting plate (1) is rotatably arranged at the upper end of the fixed plate (8), and a sliding rail (7) is rotatably arranged at the lower end of the fixed plate (8); the rear end of the supporting plate (1) is rotatably connected with the fixing plate (8), the supporting seat (4) is fixedly arranged below the front end of the supporting plate (1), a rotation-linear conversion mechanism is arranged between the supporting seat (4) and the sliding rail (7), and the adjustment of the distance between the supporting seat (4) and the sliding rail (7) is realized through the rotation-linear conversion mechanism; the device also comprises a locking mechanism (2), and the locking mechanism (2) locks the rotation of the rotation-linear conversion mechanism.
2. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 1, characterized in that: the locking mechanism (2) is structurally characterized in that: the button comprises a first lever (25) rotatably mounted at the front end above a supporting seat (4), a button assembly (3) penetrates through the supporting seat (4) from bottom to top, and the top end of the button assembly (3) is attached to the front end of the bottom of the first lever (25); a second lever (22) is installed behind the first lever (25), a pull cable (21) is installed between the rear end of the first lever (25) and the second lever (22), and a rotation stopping piece is installed on the second lever (22) and locks the rotation of the rotation-linear conversion mechanism.
3. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 2, characterized in that: the second lever (22) is longitudinally arranged, the top end of the second lever (22) is clamped with the inhaul cable (21), the bottom end of the second lever (22) is clamped with the rotation stopping piece, and the rotation stopping piece is a spline sleeve (23);
the nut (62) is fixedly installed on the side face of the sliding rail (7), the screw rod (6) is spirally assembled through the nut (62), the length direction of the screw rod (6) is consistent with that of the sliding rail (7), the spline part (61) matched with the spline sleeve (23) is arranged at the front end of the screw rod (6), the nut (62) and the screw rod (6) form a rotation-linear conversion mechanism, and the axial limiting mechanism (5) is further installed between the supporting seat (4) and the front end part of the screw rod (6).
4. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 3, characterized in that: the middle part of the second lever (22) is rotatably connected with the support seat (4) through a pin shaft, a torsion spring (24) is sleeved on the outer circumferential surface of the pin shaft, one end of the torsion spring (24) is clamped on the second lever (22), and the other end of the torsion spring (24) is clamped on the first lever (25); the first lever (25) is horizontally arranged, and the middle of the first lever (25) is rotatably connected with the supporting seat (4) through another pin shaft.
5. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 3, characterized in that: the structure of the axial limiting mechanism (5) is as follows: the screw rod fixing device comprises a screw rod seat (52) fixedly mounted at the rear end of a supporting seat (4), wherein the front end of a screw rod (6) penetrates through the screw rod seat (52), an axle sleeve (51) is mounted between the screw rod seat (52) and the screw rod (6), a clamping groove (63) is formed in the screw rod (6) in front of the axle sleeve (51) along the circumferential direction, and a clamping spring (53) is clamped in the clamping groove (63).
6. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 2, characterized in that: the second lever (22) is horizontally arranged, the rear end of the second lever (22) is clamped with the inhaul cable (21), and the bottom surface of the rear end of the second lever (22) is provided with a rotation stopping piece which is a toothed plate (26);
a pinion (93) is rotatably mounted at the end part of the sliding rail (7), a rack (92) is arranged in the sliding rail (7) below the pinion (93) along the length direction, the top of the pinion (93) is meshed with the toothed plate (26), the bottom of the pinion (93) is meshed with the rack (92), and the pinion (93) and the rack (92) form a rotation-linear conversion mechanism;
the rear end of the supporting seat (4) is rotatably provided with a supporting plate (91), the front end of the rack (92) is fixedly installed with the supporting plate (91), and the rear end of the rack (92) is supported by a sliding rail (7).
7. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 6, characterized in that: the front end of the second lever (22) is rotatably connected with the supporting plate (91), and the middle part of the first lever (25) is rotatably connected with the supporting seat (4).
8. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 2, characterized in that: the inhaul cable (21) is positioned above the support plate (1), and the end heads of the two ends of the inhaul cable (21) penetrate through the support plate (1) downwards; the two ends of the stay cable (21) are respectively provided with a spherical structure, and two ends of the stay cable (21) positioned at the inner sides of the two spherical structures are respectively sleeved with a cable sleeve; the spherical structure at the front end of the inhaul cable (21) is clamped with the lever I (25), the cable sleeve at the front end of the inhaul cable (21) is clamped with the front end part of the support plate (1), and the spherical structure at the rear end of the inhaul cable (21) is clamped with the lever II (22); the supporting plate (1) is provided with a through hole (11) for the rear end of the inhaul cable (21) to penetrate through, and a cable sleeve at the rear end of the inhaul cable (21) is clamped with a buckle at the hole edge of the through hole (11).
9. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 2, characterized in that: the button assembly (3) is structurally characterized in that: comprises a button seat (31) penetrating through a supporting seat (4) from bottom to top, wherein the top end of the button seat (31) is clamped and fixed with the supporting seat (4) through a barb structure; a button (33) penetrates through the button seat (31) from bottom to top, the top end of the button (33) is in limit clamping with the button seat (31) through a barb structure, and the end head of the top end of the button (33) is in contact with the bottom surface of the lever I (25); and a spring (32) is also arranged between the button (33) and the button seat (31).
10. The mechanism for stepless adjustment of the angle of a chair armrest as claimed in claim 1, characterized in that: the upper end of the fixed plate (8) is rotatably connected with the supporting plate (1) through a sleeve (82), and the fixed plate (8) is fixedly mounted with the external seat body through a fastener (81);
the number of the fasteners (81) is two, one fastener (81) penetrates through the middle of the sleeve (82), and the other fastener (81) is located in the middle of the fixing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263645.8U CN213262077U (en) | 2020-10-12 | 2020-10-12 | Stepless regulating mechanism for angle of chair armrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022263645.8U CN213262077U (en) | 2020-10-12 | 2020-10-12 | Stepless regulating mechanism for angle of chair armrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213262077U true CN213262077U (en) | 2021-05-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022263645.8U Active CN213262077U (en) | 2020-10-12 | 2020-10-12 | Stepless regulating mechanism for angle of chair armrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213262077U (en) |
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2020
- 2020-10-12 CN CN202022263645.8U patent/CN213262077U/en active Active
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