CN218044451U

CN218044451U - Linkage device of sofa stretching device

Info

Publication number: CN218044451U
Application number: CN202221774686.6U
Authority: CN
Inventors: 徐海峰; 奚如忠; 马松岭
Original assignee: Jiangsu Shuyida Machinery Co ltd
Current assignee: Jiangsu Shuyida Machinery Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-12-16
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a sofa stretching device's aggregate unit, the on-line screen storage device comprises a first base, the upper end fixedly connected with support box of first base, the upper end fixedly connected with second base of support box, one side of second base is rotated and is connected with the back, the upper end of second base is equipped with the cushion, one side sliding connection of support box has the running-board, the lower extreme fixedly connected with universal wheel of first base, one side of support box is equipped with the through-hole, running-board and through-hole sliding connection, be equipped with drive mechanism between cushion and the running-board, drive mechanism include with second base inner wall sliding connection's third slide, the upper end of third slide is equipped with the lug, be equipped with adjustment mechanism in the running-board. The utility model discloses can directly stretch out the running-board inside the supporting box, and then made things convenient for the user to place the foot on the running-board to can avoid two running-board reduction gear's that do not have the linkage result of use.

Description

Linkage device of sofa stretching device

Technical Field

The utility model relates to a sofa technical field specifically is sofa stretching device's aggregate unit.

Background

The sofa is a chair with cushions, and can be a single seat or a plurality of seats. In people's daily life, the sofa has become a very general furniture, and relatively old wooden seat, current cloth or leather sofa can give other people more comfort, and the stretching device of sofa is installed on the sofa for adjust the state of sofa, make the more comfortable mechanical device of user. The stretching device mainly comprises a main frame which is made into the ground, a stretching mechanism which is arranged on the head and two pedal frames which are arranged on the feet.

However, the two pedal frame brackets of the traditional stretching device of the sofa in the market are independently arranged and are not linked, so that the stretching and retracting of the two pedal frames cannot be synchronous, the using effect of the stretching device can be influenced, and the service life of the stretching device can also be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sofa stretching device's aggregate unit to solve the problem that provides among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: linkage device of sofa stretching device, including first base, the upper end fixedly connected with support box of first base, the upper end fixedly connected with second base of support box, one side of second base is rotated and is connected with the back, the upper end of second base is equipped with the cushion, one side sliding connection of support box has the running-board, the two sets of symmetric distribution's of lower extreme fixedly connected with universal wheel of first base, one side of support box is equipped with the through-hole, running-board and through-hole sliding connection, be equipped with drive mechanism between cushion and the running-board, be equipped with adjustment mechanism in the running-board.

In a preferred embodiment: adjustment mechanism include with running-board sliding connection's first slide, the first pinion rack of one side fixedly connected with of first slide, one side meshing of first pinion rack is connected with first gear, the first pivot of fixedly connected with on the inner wall of first gear, first pivot is rotated with the running-board inner wall and is connected, fixedly connected with sleeve on the outer wall of first pivot, fixedly connected with stretch cord on the telescopic outer wall, the one end fixedly connected with regulating plate of stretch cord, regulating plate and second base sliding connection, the upper end and the back sliding connection of regulating plate, one side of first slide is equipped with chucking mechanism.

In a preferred embodiment: the clamping mechanism comprises a plurality of clamping grooves which are fixedly arranged on the first sliding plate and distributed equidistantly, a clamping block is movably arranged in each clamping groove, one side of each clamping block is rotatably connected with the second sliding plate, the second sliding plate is slidably connected with the inner wall of the pedal plate, a first spring is fixedly connected between the second sliding plate and the pedal plate, a fixing plate is fixedly connected to the upper end of the first sliding plate, and the position of the first sliding plate can be fixed through the arrangement of the clamping blocks and the first spring.

In a preferred embodiment: the transmission mechanism comprises a third sliding plate which is connected with the inner wall of the second base in a sliding mode, a convex block is arranged at the upper end of the third sliding plate, a second toothed plate is fixedly connected to the lower end of the third sliding plate, a second gear is meshed with the second toothed plate, and the third sliding plate is driven to slide conveniently through the convex block.

In a preferred embodiment: the inner wall of the second gear is fixedly connected with a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected with a first bevel gear, the first bevel gear is connected with a second bevel gear in a meshed mode, and the first bevel gear is arranged to facilitate driving of the second bevel gear to rotate.

In a preferred embodiment: fixedly connected with third pivot on the inner wall of second bevel gear, fixedly connected with third gear on the outer wall of third pivot, the one end meshing of third gear is connected with the third pinion rack, the one end and the running-board fixed connection of third pinion rack, through the setting of running-board, further increase the comfort level of user when using the sofa.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a first base, the supporting box, the second base, the back, the running-board, the universal wheel, a through-hole, the fixed plate, the third slide, the second pinion rack, the second pivot, the setting of second bevel gear and third pinion rack, make can directly stretch out the supporting box with the running-board inside, and then made things convenient for the user to place the foot on the running-board, thereby can avoid two not linked running-board reducing mechanism's result of use, again through the setting of cushion, the travelling comfort that the body used has been increased, and deformation through the cushion has made things convenient for and has driven the running-board through transmission and has shifted out the supporting box.

2. The utility model discloses a setting of first slide, first pinion rack, first gear, first pivot, sleeve, stretch cord and regulating plate can be adjusted the angle of back, and then greatly increased the travelling comfort that the sofa used to increased user's use and experienced, through the setting of fixture block and second slide, can fix the position of first slide again, and then can fix the position of regulating plate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of fig. 2 according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;

fig. 4 is a schematic view of the connection structure of the fixing plate and the first sliding plate of the present invention;

in the figure: 1. a first base; 2. a support box; 3. a second base; 4. a backrest; 5. a soft cushion; 6. a foot pedal; 7. a universal wheel; 8. a through hole; 9. a first slide plate; 10. a first toothed plate; 11. a first gear; 12. a first rotating shaft; 13. a sleeve; 14. an elastic cord; 15. an adjusting plate; 16. a clamping block; 17. a second slide plate; 18. a fixing plate; 19. a third slide plate; 20. a second toothed plate; 21. a second rotating shaft; 22. a second bevel gear; 23. a third toothed plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a linkage device of a sofa stretching device comprises a first base 1, wherein the upper end of the first base 1 is fixedly connected with a supporting box 2, the upper end of the supporting box 2 is fixedly connected with a second base 3, one side of the second base 3 is rotatably connected with a backrest 4, the upper end of the second base 3 is provided with a cushion 5, one side of the supporting box 2 is slidably connected with a pedal plate 6, the lower end of the first base 1 is fixedly connected with two groups of universal wheels 7 which are symmetrically distributed, one side of the supporting box 2 is provided with a through hole 8, the pedal plate 6 is slidably connected with the through hole 8, a transmission mechanism is arranged between the cushion 5 and the pedal plate 6, the transmission mechanism comprises a third sliding plate 19 which is slidably connected with the inner wall of the second base 3, the upper end of the third sliding plate 19 is provided with a convex block, the lower end of the third sliding plate 19 is fixedly connected with a second gear plate 20, and the second gear plate 20 is engaged and connected with a second gear, the third sliding plate 19 is driven to move along with the movement of the convex block, so as to drive the second gear plate 20 to move, so as to drive the second gear to rotate, the inner wall of the second gear is fixedly connected with a second rotating shaft 21, the outer wall of the second rotating shaft 21 is fixedly connected with a first bevel gear, the first bevel gear is engaged with a second bevel gear 22, the second rotating shaft 21 is driven to rotate on the inner wall of the supporting box along with the rotation of the second gear, so as to drive the first bevel gear to rotate, so as to drive the second bevel gear 22 to rotate, the inner wall of the second bevel gear 22 is fixedly connected with a third rotating shaft, the outer wall of the third rotating shaft is fixedly connected with a third gear, one end of the third gear is engaged with a third gear plate 23, one end of the third gear plate 23 is fixedly connected with the pedal plate 6, so as to drive the third rotating shaft to rotate on the inner wall of the supporting box 2 along with the rotation of the second bevel gear 22, and then the third gear can be driven to rotate, so that the third toothed plate 23 can be driven to move.

The utility model discloses a theory of operation: when the backrest angle adjusting device is used, a user sits on the cushion 5, the cushion 5 deforms along with the gravity of the user sitting on the cushion 5, the convex block is driven to move downwards, the convex block moves downwards to drive the third sliding plate 19 to move downwards, the third sliding plate 19 moves downwards to drive the second toothed plate 20 to move downwards, the second toothed plate is driven to rotate, the second toothed plate rotates to drive the second rotating shaft 21 to rotate, the first bevel gear rotates to drive the second bevel gear 22 to rotate, the third rotating shaft rotates to drive the third toothed plate 23 to move, the pedal plate 6 can be driven to slide out of the support box 2, then the user can place feet on the pedal plate 6, when the angle of the backrest 4 needs to be adjusted, the adjusting mechanism can be driven to move through the first sliding plate 9, the angle of the backrest 4 can be adjusted, meanwhile, the third spring is fixedly connected between the third sliding plate 19 and the second base 3, and when the user leaves the cushion 5, the third spring can drive the third sliding plate 19 to reset, and the support the pedal plate 6 in the support box 2 can move back.

Referring to fig. 1-4, the present invention provides a technical solution: the linkage device of the sofa stretching device is characterized in that an adjusting mechanism is arranged in the pedal plate 6 and comprises a first sliding plate 9 in sliding connection with the pedal plate 6, a first toothed plate 10 is fixedly connected to one side of the first sliding plate 9, a first gear 11 is meshed and connected to one side of the first toothed plate 10, a first rotating shaft 12 is fixedly connected to the inner wall of the first gear 11, the first rotating shaft 12 is rotatably connected to the inner wall of the pedal plate 6, a sleeve 13 is fixedly connected to the outer wall of the first rotating shaft 12, an elastic rope 14 is fixedly connected to the outer wall of the sleeve 13, an adjusting plate 15 is fixedly connected to one end of the elastic rope 14, the adjusting plate 15 is slidably connected to the second base 3, the upper end of the adjusting plate 15 is slidably connected to the backrest 4, a clamping mechanism is arranged on one side of the first sliding plate 9 and comprises a plurality of clamping blocks 16 which are fixedly arranged on the first sliding plate 9 and distributed at equal intervals, a clamping block 17 is movably arranged in the clamping groove 16, one side of the clamping block 16 is rotatably connected to a second sliding plate 17, the second sliding plate 17 is slidably connected to the inner wall of the pedal plate 6, a first sliding plate 9 is fixedly connected to a spring, and a first spring 18 is fixedly connected to the first sliding plate 9, and a first fixing plate 18 is movably connected to the first sliding plate 9.

The utility model discloses a theory of operation: when the backrest angle adjusting device is used, when the angle of the backrest 4 needs to be adjusted, a user steps down on the fixing plate 18, the first sliding plate 9 is driven to move downwards along with the downward movement of the fixing plate 18, and then the first toothed plate 10 is driven to move downwards, the first toothed plate 10 moves downwards to drive the first gear 11 to rotate, and then the first rotating shaft 12 is driven to rotate, the sleeve 13 is driven to rotate by the rotation of the first rotating shaft 12, and then the adjusting plate 15 is pulled to move rightwards through the elastic rope 14, so that the backrest 4 can rotate clockwise, when the backrest 4 needs to be reset later, the fixing plate 18 only needs to be pulled upwards, and then the first rotating shaft 12 is driven to rotate reversely, so that the sleeve 13 does not pull the elastic rope 14 any more, at the moment, the adjusting plate 15 moves leftwards under the action of a second spring arranged on the right side of the adjusting plate 15, and then the backrest 4 can be driven to rotate anticlockwise, so that the angle of the backrest 4 can be adjusted, meanwhile, in the moving process of the first sliding plate 9, the clamping block 16 is continuously clamped into and separated from a clamping groove, and then the position of the first sliding plate 9 can be fixed through the elastic rope 14 and the first toothed plate 10, and the position of the adjusting plate 4 can be adjusted by the elastic rope 14, and the fixing of the first toothed plate 11, and the fixing of the backrest 4 can be adjusted by the elastic rope in the fixing of the adjusting plate 9.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Sofa stretching device's aggregate unit, including first base (1), its characterized in that: the utility model discloses a bicycle pedal, including first base (1), upper end fixedly connected with supporting box (2), the upper end fixedly connected with second base (3) of supporting box (2), one side of second base (3) is rotated and is connected with back (4), the upper end of second base (3) is equipped with cushion (5), one side sliding connection of supporting box (2) has running-board (6), the lower extreme fixedly connected with two sets of symmetric distribution's of first base (1) universal wheel (7), one side of supporting box (2) is equipped with through-hole (8), running-board (6) and through-hole (8) sliding connection, be equipped with drive mechanism between cushion (5) and running-board (6), be equipped with adjustment mechanism in running-board (6).

2. The sofa extension linkage according to claim 1, wherein: the adjusting mechanism comprises a first sliding plate (9) connected with a pedal plate (6) in a sliding manner, a first toothed plate (10) fixedly connected to one side of the first sliding plate (9), a first gear (11) meshed with one side of the first toothed plate (10), a first rotating shaft (12) fixedly connected to the inner wall of the first gear (11), the first rotating shaft (12) is rotatably connected with the inner wall of the pedal plate (6), a sleeve (13) fixedly connected to the outer wall of the first rotating shaft (12), an elastic rope (14) fixedly connected to the outer wall of the sleeve (13), an adjusting plate (15) fixedly connected to one end of the elastic rope (14), the adjusting plate (15) is connected with a second base (3) in a sliding manner, the upper end of the adjusting plate (15) is connected with a backrest (4) in a sliding manner, and a clamping mechanism is arranged on one side of the first sliding plate (9).

3. The sofa extension linkage according to claim 2, wherein: the clamping mechanism comprises a plurality of clamping grooves which are fixedly arranged on a first sliding plate (9) and distributed at equal intervals, a clamping block (16) is movably arranged in each clamping groove, one side of each clamping block (16) is rotatably connected with a second sliding plate (17), each second sliding plate (17) is slidably connected with the inner wall of each pedal plate (6), a first spring is fixedly connected between each second sliding plate (17) and each pedal plate (6), and a fixing plate (18) is fixedly connected to the upper end of each first sliding plate (9).

4. The sofa extension linkage according to claim 1, wherein: the transmission mechanism comprises a third sliding plate (19) connected with the inner wall of the second base (3) in a sliding mode, a convex block is arranged at the upper end of the third sliding plate (19), a second toothed plate (20) is fixedly connected to the lower end of the third sliding plate (19), and a second gear is meshed with the second toothed plate (20).

5. The sofa extension linkage according to claim 4, wherein: a second rotating shaft (21) is fixedly connected to the inner wall of the second gear, a first bevel gear is fixedly connected to the outer wall of the second rotating shaft (21), and the first bevel gear is connected with a second bevel gear (22) in a meshed mode.

6. The sofa extension linkage according to claim 5, wherein: fixedly connected with third pivot on the inner wall of second bevel gear (22), fixedly connected with third gear on the outer wall of third pivot, the one end meshing of third gear is connected with third pinion rack (23), the one end and running-board (6) fixed connection of third pinion rack (23).