CN210520550U

CN210520550U - Sofa capable of being lifted manually

Info

Publication number: CN210520550U
Application number: CN201921061109.0U
Authority: CN
Inventors: 曹刚
Original assignee: ANJI COZY HOME CO LTD
Current assignee: ANJI COZY HOME CO LTD
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-15
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a sofa of manual lift, comprising a base plate, bottom plate fixedly connected with gag lever post, bottom plate upper surface middle part is provided with elevating gear, the elevating gear top is provided with the base, the circular port has been seted up to the base, four gag lever post outer walls cup joint with the base, the equal fixedly connected with arm backup plate in base upper surface both sides, two circular recesses have been seted up to arm backup plate bottom, two relative one side rotations of arm backup plate are connected with the main shaft, the fixed back backup plate that has cup jointed of main shaft outer wall, the base upper surface just is located one side fixedly connected with dead lever of arm backup plate, the first spring of dead lever one side middle part fixedly connected with, spring one end and back backup plate fixed connection. The utility model discloses utilize elevating gear's design, manual shaking hand rocker, hand arm drive swinging boom rotates to drive the threaded rod and rotate, two nut seats syntropy motion or reverse motion on the threaded rod, thereby realize that the sofa rises or descends.

Description

Sofa capable of being lifted manually

Technical Field

The utility model relates to a sofa field, in particular to sofa of manual lift.

Background

The sofa is an indispensable apparatus in people's daily life work, and its kind is various, but most sofa at present only supplies people to sit, and when noon needs the rest, sits on the sofa and then lies prone on the desk, has a rest like this, and the neck arm is all painful, and it is not good still to have a rest, and one kind is just sitting on the sofa and leaning against the back to have a rest backward, and this kind of mode also can make people's neck and waist ache, also very inconvenient.

Many sofas can not manually adjust its height now, the people of different heights is on the sofa, and the height that needs is different, and the people of height sits on low sofa, and the leg curls very inconveniently, makes people's leg numb easily, brings inconvenience for the guest.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sofa of manual lift 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: the utility model provides a sofa of manual lift, includes the bottom plate, the equal fixedly connected with gag lever post in four edges of bottom plate upper surface, bottom plate upper surface middle part is provided with elevating gear, the elevating gear top is provided with the base, the circular port has all been seted up in four edges of base upper surface, four the gag lever post outer wall cup joints with the base, the equal fixedly connected with arm backup plate in base upper surface both sides, two circular recesses have been seted up to arm backup plate bottom, two one side that the arm backup plate is relative is rotated and is connected with the main shaft, the fixed housing joint of main shaft outer wall has the back backup plate, the base upper surface just is located one side fixedly connected with dead lever of arm backup plate, the first spring of dead lever one side middle part fixedly connected with, first spring one end and back backup plate fixed connection.

Preferably, the lifting device comprises a threaded rod, two nut seats, a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, wherein one end of the threaded rod is fixedly connected with a coupler, one end of the coupler is fixedly connected with one end of the other threaded rod, the threads of the two threaded rods are opposite, rectangular grooves are formed in the two ends of the two nut seats, a threaded hole is formed in the middle of one side of one nut seat, the outer wall of the threaded rod is connected with the nut seats in an inserting manner, one end of the threaded rod is fixedly connected with a rotating device, one end of the first supporting rod is rotatably connected with one nut seat through a pin shaft, the other end of the first supporting rod is rotatably connected with the base through a pin shaft, one end of the second supporting rod is rotatably connected with the other nut seat through a pin shaft, and the other end of the second, one end of the third support rod is rotatably connected with one of the nut seats through a pin shaft, the other end of the third support rod is rotatably connected with the bottom plate through a pin shaft, one end of the fourth support rod is rotatably connected with one of the nut seats through a pin shaft, and the other end of the fourth support rod is rotatably connected with the bottom plate through a pin shaft.

Preferably, rotary device includes swinging boom and hand rocker, swinging boom one side top and threaded rod fixed connection, hand rocker one end is rotated with the swinging boom and is connected.

Preferably, one end of the outer wall of the spindle is fixedly connected with a gear, one side of the arm backup plate is provided with a rectangular hole, one side of the arm backup plate is connected with a stretching rod in an inserting mode through the rectangular hole, and one end of the stretching rod is fixedly connected with a T-shaped clamping block.

Preferably, the other end of the outer wall of the stretching rod is sleeved with a second spring, and the other end of the stretching rod is fixedly connected with a circular plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses utilize elevating gear's design, manually shake the hand pole, hand arm drives the swinging boom and rotates to drive the threaded rod and rotate, two nut seats on the threaded rod syntropy motion or reverse motion, thereby realize that the sofa rises or descends, avoided curling legs because of guest height sofa low or height foot can not contact the awkward scene on ground, improved the travelling comfort of sofa;

2. the utility model discloses utilize the design of main shaft, make the back backup plate can free rotation, when pressing the plectane, can make the back backup plate rotatory through people's back strength, when adjusting suitable position, only need loosen the plectane, the second spring makes tensile pole get back to original place, the gear is blocked to the rectangular plate, makes the back backup plate not rotatory, when recovering the back backup plate original state, only needs to press the plectane, first spring pulls back the original state with the back backup plate, the guest brings more comfortable rest environment.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a schematic view of the lifting device of the present invention.

Fig. 3 is a schematic view of the front internal structure of the present invention.

Fig. 4 is a schematic view of the front structure of the gear of the present invention.

In the figure: 1. a base plate; 2. a limiting rod; 3. a base; 4. a lifting device; 401. a threaded rod; 402. a nut seat; 403. a first support bar; 404. a second support bar; 405. a third support bar; 406. a fourth support bar; 5. a rotating device; 501. a rotating arm; 502. a hand lever; 6. an arm backup plate; 7. a back backup plate; 8. a main shaft; 9. fixing the rod; 10. a first spring; 11. a gear; 12. a stretch rod; 13. a circular plate; 14. a second spring.

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.

The utility model provides a manually lifting sofa as shown in figures 1-4, which comprises a bottom plate 1, wherein four corners of the upper surface of the bottom plate 1 are fixedly connected with limit rods 2, the middle part of the upper surface of the bottom plate 1 is provided with a lifting device 4, the main function of the lifting device 4 is to adjust the height of the sofa, the top part of the lifting device 4 is provided with a base 3, four corners of the upper surface of the base 3 are all provided with circular holes, the outer walls of the four limit rods 2 are sleeved with the base 3, both sides of the upper surface of the base 3 are fixedly connected with arm backup plates 6, the bottom part of the arm backup plate 6 is provided with two circular grooves, the size of the circular grooves is consistent with that of the circular holes, the circular grooves are positioned right above the circular holes, one opposite side of the two arm backup plates 6 is rotatably connected with a main shaft 8, the outer wall of the main shaft 8 is fixedly, dead lever 9 one side middle part fixedly connected with first spring 10, first spring 10 one end and back backup plate 7 fixed connection, first spring 10 can be given back backup plate 7 one and pull the power, and when pressing down tensile pole 12, gear 11 is no longer blocked to the T type fixture block, and first spring 10 just can pull back with back backup plate 7.

The lifting device 4 comprises a threaded rod 401, two nut seats 402, a first supporting rod 403, a second supporting rod 404, a third supporting rod 405 and a fourth supporting rod 406, wherein one end of one of the threaded rods 401 is fixedly connected with a coupler, one end of the coupler is fixedly connected with one end of the other threaded rod 401, the threads of the two threaded rods 401 are opposite, two ends of the two nut seats 402 are provided with rectangular grooves, the middle part of one side of one of the nut seats 402 is provided with a threaded hole, the outer wall of the threaded rod 401 is connected with the nut seats 402 in an inserting manner, one end of the threaded rod 401 is fixedly connected with a rotating device 5, one end of the first supporting rod 403 is rotatably connected with one of the nut seats 402 through a pin shaft, the other end of the first supporting rod 403 is rotatably connected with the base 3 through a pin shaft, one end of the second supporting rod 404 is rotatably connected with the other nut seat 402 through, one end of a third support rod 405 is rotatably connected with one nut seat 402 through a pin shaft, the other end of the third support rod 405 is rotatably connected with the bottom plate 1 through a pin shaft, one end of a fourth support rod 406 is rotatably connected with one nut seat 402 through a pin shaft, the other end of the fourth support rod 406 is rotatably connected with the bottom plate 1 through a pin shaft, reverse threads are arranged on the threaded rod 401, and when the threaded rod 401 rotates, the nut seats 402 on the threaded rod 401 can move in the same direction or in the reverse direction, so that the height of the sofa can be adjusted.

Rotary device 5 includes swinging boom 501 and hand rocker 502, swinging boom 501 one side top and threaded rod 401 fixed connection, and hand rocker 502 one end rotates with swinging boom 501 to be connected, and rotary device 5 main function is that the person of facilitating the use rotates threaded rod 401.

8 outer wall one ends fixedly connected with gears 11 of main shaft, the rectangular hole has been seted up to one of them arm backup plate 6 one side, and 6 one side of one of them arm backup plate is connected with tensile pole 12 through the rectangular hole interlude, and the T type fixture block of 12 one end fixedly connected with of tensile pole, T type fixture block are mainly to 7 position restrictions of back backup plate.

The other end of the outer wall of the stretching rod 12 is sleeved with a second spring 14, the other end of the stretching rod 12 is fixedly connected with a circular plate 13, and the stretching rod 12 mainly plays a role in controlling the limiting effect of the T-shaped clamping block.

This practical theory of operation: firstly, when the sofa is sitting, the height of the sofa is adjusted according to the height of a guest, only the hand lever 502 needs to be rotated to adjust the height of the sofa, the hand lever 502 rotates to drive the rotating arm 501 to rotate, the rotating arm 501 rotates to drive the two threaded rods 401 to rotate, the nut seats 402 on the two threaded rods 401 move in the same direction or in opposite directions, the first supporting rod 403 and the third supporting rod 405 are rotatably connected to one nut seat 402, the other end of the first supporting rod is rotatably connected to the bottom plate 1 and the base 3 respectively, the second supporting rod 404 and the fourth supporting rod 406 are rotatably connected to the other nut seat 402, the other end of the second supporting rod 404 and the fourth supporting rod 406 are rotatably connected to the bottom plate 1 and the base 3 respectively, so that the first supporting rod 403, the second supporting rod 404, the third supporting rod 405 and the fourth supporting rod 406 can support the base 3 to ascend or descend when the back plate 7, the back backup plate 7 can be rotated by the back force of a person, when the proper position is adjusted, only the circular plate 13 needs to be loosened, the second spring 14 enables the stretching rod 12 to return to the original position, the gear 11 is clamped by the rectangular plate, the back backup plate 7 does not rotate, when the original state of the back backup plate 7 is restored, only the circular plate 13 needs to be pressed down, the first spring 10 pulls the back backup plate 7 back to the original state, and the shape of the whole sofa is adjusted.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a sofa of manual lift, includes bottom plate (1), its characterized in that: limiting rods (2) are fixedly connected at four corners of the upper surface of the base plate (1), a lifting device (4) is arranged in the middle of the upper surface of the base plate (1), a base (3) is arranged at the top of the lifting device (4), circular holes are formed in the four corners of the upper surface of the base (3), the outer walls of the four limiting rods (2) are sleeved with the base (3), arm backup plates (6) are fixedly connected to two sides of the upper surface of the base (3), two circular grooves are formed in the bottoms of the arm backup plates (6), a main shaft (8) is rotatably connected to one opposite side of each of the two arm backup plates (6), a back backup plate (7) is fixedly sleeved on the outer wall of the main shaft (8), a fixing rod (9) is fixedly connected to one side of the upper surface of the base (3) and located on the arm backup plate (6), a first spring (10) is fixedly connected to the, one end of the first spring (10) is fixedly connected with the back backup plate (7).

2. The manually liftable sofa of claim 1, wherein: the lifting device (4) comprises two threaded rods (401), two nut seats (402), a first supporting rod (403), a second supporting rod (404), a third supporting rod (405) and a fourth supporting rod (406), wherein one end of one of the threaded rods (401) is fixedly connected with a coupler, one end of the coupler is fixedly connected with one end of the other threaded rod (401), the threads of the two threaded rods (401) are opposite, rectangular grooves are formed in two ends of the two nut seats (402), a threaded hole is formed in the middle of one side of one of the nut seats (402), the outer wall of the threaded rod (401) is connected with the nut seats (402) in a penetrating mode, a rotating device (5) is fixedly connected with the other end of one of the threaded rods (401), one end of the first supporting rod (403) is rotatably connected with one of the nut seats (402) through a pin shaft, and the other end of the first supporting rod (403) is rotatably connected with the base (3, one end of the second support rod (404) is rotatably connected with one of the nut seats (402) through a pin shaft, the other end of the second support rod (404) is rotatably connected with the base (3) through a pin shaft, one end of the third support rod (405) is rotatably connected with one of the nut seats (402) through a pin shaft, the other end of the third support rod (405) is rotatably connected with the bottom plate (1) through a pin shaft, one end of the fourth support rod (406) is rotatably connected with one of the nut seats (402) through a pin shaft, and the other end of the fourth support rod (406) is rotatably connected with the bottom plate (1) through a pin shaft.

3. The manually liftable sofa of claim 2, wherein: rotary device (5) are including swinging boom (501) and hand rocking bar (502), swinging boom (501) one side top and threaded rod (401) fixed connection, hand rocking bar (502) one end is rotated with swinging boom (501) and is connected.

4. The manually liftable sofa of claim 1, wherein: the improved arm back plate is characterized in that a gear (11) is fixedly connected to one end of the outer wall of the main shaft (8), a rectangular hole is formed in one side of the arm back plate (6), a stretching rod (12) is connected to one side of the arm back plate (6) in a penetrating mode through the rectangular hole, and a T-shaped clamping block is fixedly connected to one end of the stretching rod (12).

5. The manually liftable sofa of claim 4, wherein: the other end of the outer wall of the stretching rod (12) is sleeved with a second spring (14), and the other end of the stretching rod (12) is fixedly connected with a circular plate (13).