CN212661470U

CN212661470U - Improved manual sofa stretching device

Info

Publication number: CN212661470U
Application number: CN202021166264.1U
Authority: CN
Inventors: 徐海峰
Original assignee: Jiangsu Shuyida Machinery Co ltd
Current assignee: Jiangsu Shuyida Machinery Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-09
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a manual stretching device of improved generation sofa, the fruit pick-up device comprises a frame body, the bottom plate is installed to the bottom of framework, the internally mounted of framework has hoist mechanism, hoist mechanism's top is run through the framework and is extended to its outside, the sofa bedplate is installed at hoist mechanism's top. The utility model discloses a set up hoist mechanism, stimulate the gag lever post through the pull ring, make the gag lever post take out from fixed cover and rotor plate, it is rotatory to drive the drive pivot through the handle, it is rotatory that drive pivot is passed through drive gear and driven gear and is driven the driven spindle, the driven spindle drives the thread bush rotation, make the inside up-and-down motion of thread bush, thereby drive sofa bedplate up-and-down motion, promote and descend the regulation to the sofa, bearing performance is relatively good, and the atress is more even, avoid the sofa to produce easily when pressurized and rock, the operation is labour saving and time saving relatively also, bring very big facility for the user.

Description

Improved manual sofa stretching device

Technical Field

The utility model relates to a sofa extends technical field, specifically is a manual extension device of improved generation sofa.

Background

Sofas have been a requisite piece of furniture for many households. The development history of the sofa is long, and the shape and the type of the sofa are continuously changed, for example, the sofa is divided into American-style sofa, Japanese-style sofa, Chinese-style sofa and the like according to the style, and the sofa is divided into leather sofa, cloth sofa, fabric sofa and the like according to the material. Nowadays, people can select the type of the sofa according to different aspects such as indoor decoration style, manufacturing materials and the like. A set of sofa not only can embody personal taste, but also can bring unparalleled comfort to people when in use. At present, the lifting and descending of the extensible sofa must be realized by means of a liftable seat frame, the structure of the traditional sofa stretching device is complex, the bearing performance is poor, the stress is uneven, the sofa is easy to shake when being pressed, the operation is time-consuming and labor-consuming, and great inconvenience is brought to a user, so that the improved manual sofa stretching device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manual extension device of improved generation sofa to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved manual sofa stretching device comprises a frame body, wherein a bottom plate is installed at the bottom of the frame body, a lifting mechanism is installed inside the frame body, the top of the lifting mechanism penetrates through the frame body and extends to the outside of the frame body, and a sofa seat plate is installed at the top of the lifting mechanism;

the lifting mechanism comprises two first bearings, the two first bearings are respectively arranged in grooves on two sides of the bottom of the inner wall of the frame body, a driven rotating shaft is arranged at the top of the first bearing, a driven gear is arranged on the surface of the driven rotating shaft, a side driving gear meshed with the driven gear is arranged on the outer side of the driven gear, a driving rotating shaft is arranged on one side of the driving gear far away from the driven gear, second bearings are arranged in through grooves on the left side and the right side of the inner wall of the frame body, one end of the driving rotating shaft far away from the driving gear sequentially penetrates through the second bearings and the frame body and extends to the outside of the frame body, a rotating plate is arranged at one end of the driving rotating shaft outside the frame body, a limiting hole is formed in the surface of the rotating plate, fixed sleeves are arranged on the, one side that the framework was kept away from to fixed cover is provided with the gag lever post, the one end that the gag lever post is close to the framework runs through fixed cover and spacing hole in proper order and extends to the outside in spacing hole, the surface of gag lever post respectively with fixed cover and spacing hole swing joint, the thread bush is installed at the top of driven spindle, threaded connection has the screw thread pivot on the inner wall of thread bush, the top of screw thread pivot runs through the framework and extends to its outside, the top and the sofa bedplate fixed connection of screw thread pivot, the surface and the framework swing joint of screw thread pivot, screw thread pivot surface mounting has the gag lever post, install the guide bar on the inner wall of framework, the bottom of guide bar runs through the gag lever post and extends to its outside.

Preferably, a handle is mounted on one side of the rotating plate away from the frame body.

Preferably, one side of the limiting rod, which is far away from the frame body, is provided with a pull ring.

Preferably, the bottom of the bottom plate is provided with a shock pad.

Preferably, the surface of the guide rod is movably connected with the limiting sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up hoist mechanism, stimulate the gag lever post through the pull ring, make the gag lever post take out from fixed cover and rotor plate, it is rotatory to drive the drive pivot through the handle, it is rotatory that drive pivot is passed through drive gear and driven gear and is driven the driven spindle, the driven spindle drives the thread bush rotation, make the inside up-and-down motion of thread bush, thereby drive sofa bedplate up-and-down motion, promote and descend the regulation to the sofa, bearing performance is relatively good, and the atress is more even, avoid the sofa to produce easily when pressurized and rock, the operation is labour saving and time saving relatively also, bring very big facility for the user.

2. The utility model discloses a set up the handle and played the effect of the rotatory rotor plate of being convenient for, played the effect of being convenient for stimulate the gag lever post through setting up the pull ring, played the effect of carrying out the shock attenuation buffering to the device through setting up the shock pad.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a partial enlarged view of B-B in fig. 1 according to the present invention.

In the figure: the structure comprises a frame body 1, a bottom plate 2, a lifting mechanism 3, a first bearing 31, a driven rotating shaft 32, a driven gear 33, a driving gear 34, a driving rotating shaft 35, a second bearing 36, a rotating plate 37, a limiting hole 38, a fixing sleeve 39, a limiting rod 310, a threaded sleeve 311, a threaded rotating shaft 312, a limiting sleeve 313, a guide rod 314, a sofa seat plate 4, a handle 5, a pull ring 6 and a shock pad 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, an improved manual sofa stretching device comprises a frame body 1, a bottom plate 2 is installed at the bottom of the frame body 1, a shock pad 7 is installed at the bottom of the bottom plate 2, the shock pad 7 plays a role in shock absorption and buffering of the device, a lifting mechanism 3 is installed inside the frame body 1, the top of the lifting mechanism 3 penetrates through the frame body 1 and extends to the outside of the frame body, and a sofa seat plate 4 is installed at the top of the lifting mechanism 3.

The lifting mechanism 3 comprises two first bearings 31, the two first bearings 31 are respectively installed in grooves on two sides of the bottom of the inner wall of the frame body 1, a driven rotating shaft 32 is installed on the top of the first bearing 31, a driven gear 33 is installed on the surface of the driven rotating shaft 32, a side driving gear 34 meshed with the driven gear 33 is arranged on the outer side of the driven gear 33, a driving rotating shaft 35 is installed on one side of the driving gear 34 far away from the driven gear 33, second bearings 36 are installed in through grooves on the left side and the right side of the inner wall of the frame body 1, one end of the driving rotating shaft 35 far away from the driving gear 34 sequentially penetrates through the second bearings 36 and the frame body 1 and extends to the outside of the frame body 1, a rotating plate 37 is installed at one end of the driving rotating shaft 35 located outside the frame body 1, a handle 5 is installed on one side of the rotating plate 37 far away from the, the left side and the right side of the top of the bottom plate 2 are both provided with a fixed sleeve 39, the top of the rotating plate 37 penetrates through the fixed sleeve 39 and extends into the fixed sleeve 39, one side of the fixed sleeve 39, which is far away from the frame body 1, is provided with a pull ring 6, the pull ring 6 is arranged to play a role of facilitating pulling of the limit rod 310, one end of the limit rod 310, which is close to the frame body 1, sequentially penetrates through the fixed sleeve 39 and the limit hole 38 and extends to the outside of the limit hole 38, the surface of the limit rod 310 is respectively movably connected with the fixed sleeve 39 and the limit hole 38, the top of the driven rotating shaft 32 is provided with a threaded sleeve 311, the inner wall of the threaded sleeve 311 is in threaded connection with a threaded rotating shaft 312, the top end of the threaded rotating shaft 312 penetrates through the frame body 1 and extends to the outside, the top end of the threaded rotating shaft 312 is fixedly connected with the seat, the inner wall of the frame body 1 is provided with a guide rod 314, the bottom end of the guide rod 314 penetrates through the limiting sleeve 313 and extends to the outside of the limiting sleeve 313, and the surface of the guide rod 314 is movably connected with the limiting sleeve 313.

The working principle is as follows: through setting up hoist mechanism 3, remove to the outside through 6 pulling gag lever post 310 of pull ring, make gag lever post 310 take out from fixed cover 39 and the spacing hole 38 on the rotor plate 37, it is rotatory to drive pivot 35 through handle 5, it is rotatory that drive pivot 35 drives driven shaft 32 through drive gear 34 and driven gear 33, driven shaft 32 drives thread bush 311 rotatoryly, make the inside up-and-down motion of thread bush 311 of screw thread pivot 312, thereby drive sofa bedplate 4 up-and-down motion, promote and descend the regulation to the sofa, bearing performance is relatively good, and the atress is more even, avoid the sofa to produce easily when pressurized and rock, the operation is also more labour saving and time saving, bring very big facility for the user.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation sofa manual stretching device, includes framework (1), its characterized in that: the bottom of the frame body (1) is provided with a bottom plate (2), a lifting mechanism (3) is arranged in the frame body (1), the top of the lifting mechanism (3) penetrates through the frame body (1) and extends to the outside of the frame body, and the top of the lifting mechanism (3) is provided with a sofa seat plate (4);

the lifting mechanism (3) comprises two first bearings (31), the two first bearings (31) are respectively installed in grooves on two sides of the bottom of the inner wall of the frame body (1), a driven rotating shaft (32) is installed at the top of the first bearings (31), a driven gear (33) is installed on the surface of the driven rotating shaft (32), one side driving gear (34) meshed with the driven gear is arranged on the outer side of the driven gear (33), a driving rotating shaft (35) is installed on one side, away from the driven gear (33), of the driving gear (34), second bearings (36) are installed in through grooves on the left side and the right side of the inner wall of the frame body (1), one end, away from the driving gear (34), of the driving rotating shaft (35) sequentially penetrates through the second bearings (36) and the frame body (1) and extends to the outer portion of the frame body (1), and a rotating plate (37) is installed at one end, located at, the utility model discloses a sofa seat plate, including rotating plate (37), bottom plate (2), fixed cover (39) are all installed to the left and right sides at rotating plate (37) surface, the top of rotating plate (37) runs through fixed cover (39) and extends to its inside, one side that framework (1) was kept away from to fixed cover (39) is provided with gag lever post (310), gag lever post (310) is close to the one end of framework (1) and runs through fixed cover (39) and gag lever post (38) in proper order and extends to the outside of gag lever post (38), the surface of gag lever post (310) respectively with fixed cover (39) and gag lever post (38) swing joint, thread bush (311) is installed at the top of driven spindle (32), threaded connection has screw thread pivot (312) on the inner wall of thread bush (311), the top of screw thread pivot (312) runs through framework (1) and extends to its outside, the top and sofa seat board (4) fixed connection of screw thread pivot (312), the surface and framework (1) swing joint of screw thread pivot (312), screw thread pivot (312) surface mounting has stop collar (313), install guide bar (314) on the inner wall of framework (1), stop collar (313) and extend to its outside are run through to the bottom of guide bar (314).

2. The improved manual sofa stretching apparatus of claim 1, wherein: and a handle (5) is arranged on one side of the rotating plate (37) far away from the frame body (1).

3. The improved manual sofa stretching apparatus of claim 1, wherein: and one side of the limiting rod (310) far away from the frame body (1) is provided with a pull ring (6).

4. The improved manual sofa stretching apparatus of claim 1, wherein: and a shock pad (7) is arranged at the bottom of the bottom plate (2).

5. The improved manual sofa stretching apparatus of claim 1, wherein: the surface of the guide rod (314) is movably connected with the limiting sleeve (313).