CN211186519U

CN211186519U - Sofa with built-in manual lifting back cushion

Info

Publication number: CN211186519U
Application number: CN201921940206.7U
Authority: CN
Inventors: 李金容; 吴晓佩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-07
Anticipated expiration: 2029-11-12

Abstract

The utility model relates to the technical field of furniture, and a sofa of built-in manual lift back cushion is disclosed, including the sofa main part, be provided with the back cushion on the back, the below of back cushion is provided with the backup pad, and the below of backup pad is provided with bush and first bearing, and the inside of bush is provided with the spring, and the below of first bearing is connected with the screw rod, and buffer spring has been cup jointed to the outside of screw rod, and the turbine is connected to the below of screw rod, is connected with the worm on the turbine, is connected with the hand wheel on the worm, and the top of turbine is connected with the screw sleeve. This sofa of built-in manual lift back cushion through rotating the hand wheel, drives the worm and rotates, is provided with the worm tooth on the worm and is connected with the turbine meshing to the rotatory turbine that drives rotates, and the turbine drives the screw sleeve and rotates, and the screw sleeve is connected with the screw rod meshing, thereby drives the screw rod and rises and descend, thereby drives the backup pad and goes up and down, thereby adjusts the height of back cushion, has reached the purpose that control back cushion goes up and down.

Description

Sofa with built-in manual lifting back cushion

Technical Field

The utility model relates to the technical field of furniture, specifically be a sofa of built-in manual lift back cushion.

Background

The sofa is necessary for many families, and the commercially sold sofa generally comprises three types of low-back sofa, high-back sofa and common sofa between the low-back sofa and the high-back sofa, and is widely applied to occasions such as family living rooms, hotels, business conferences and the like. The sofa has comfortable sitting feeling and variable shape, and can adapt to various decoration styles, thereby being deeply loved by people.

The traditional sofa is furniture which is essential in our lives, however, the traditional sofa has a single function, and people can not avoid working on the sofa to read books or sleeping on the sofa to read movies, and the like, and the traditional sofa can not be provided with some office entertainment equipment, so that the office entertainment equipment needs to be placed on the thigh to be watched or operated when the sofa is used, and great trouble is caused; some sofas often can be from taking the back cushion, and convenience of customers obtains better leisure experience with the headrest on it when using, but these back cushions often can fix and can't remove in the sofa top, because the difference of user's height, the position of neck often differs greatly, can cause very big inconvenience to user's use, consequently, we provide the sofa of built-in manual lift back cushion.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a sofa of built-in manual lift back cushion possesses can lift back cushion and conveniently places advantages such as amusement facilities, has solved the unable lift of traditional sofa back cushion, inconvenient problem of placing amusement facilities.

(II) technical scheme

For the purpose of realizing above-mentioned ability lift back cushion and conveniently placing amusement facilities, the utility model provides a following technical scheme: a sofa with a built-in manual lifting back cushion comprises a sofa main body, wherein a base is fixedly installed at the bottom of the sofa main body, a sofa base is fixedly installed above the base, a sofa cushion is movably placed above the sofa base, a first handrail and a second handrail are movably installed on the left side and the right side of the sofa base, a connecting rod is movably connected onto the first handrail, a bearing is movably installed inside the connecting rod, a small table plate is movably installed on the connecting rod, an ashtray is arranged on the small table plate, a backrest is movably installed above the sofa base, the back cushion is arranged on the backrest, a supporting plate is arranged below the back cushion, a lining and a first bearing are arranged below the supporting plate, a spring is arranged inside the lining, a screw rod is connected below the first bearing, and a buffer spring is sleeved outside the screw rod, the worm wheel is connected to the lower portion of the screw rod, a worm is connected to the worm wheel, a hand wheel is connected to the worm, and a threaded sleeve is connected to the upper portion of the worm wheel.

Preferably, a guide post is fixedly connected below the spring and used for fixing the spring.

Preferably, the connecting rod is the multistage formula structure, and the department of bending between every section is embedded to have a bearing, and the convenience is to the better shrink of connecting rod.

Preferably, the worm is provided with worm teeth, and the rotation of the turbine is realized through the meshing of the worm teeth and the turbine.

(III) advantageous effects

Compared with the prior art, the utility model provides a sofa of built-in manual lift back cushion possesses following beneficial effect:

1. this sofa of built-in manual lift back cushion through rotating the hand wheel, drives the worm and rotates, is provided with the worm tooth on the worm and is connected with the turbine meshing to the rotatory turbine that drives rotates, and the turbine drives the screw sleeve and rotates, and the screw sleeve is connected with the screw rod meshing, thereby drives the screw rod and rises and descend, thereby drives the backup pad and goes up and down, thereby adjusts the height of back cushion, has reached the purpose that control back cushion goes up and down.

2. This sofa of built-in manual lift back cushion through be connected with the connecting rod on first handrail, movable mounting has little table on it, can be used to put books or other official working amusement equipment, has seted up the ashtray on the little table, can be used to hold debris such as cigarette ash, also can place the beverage drinking cup, and the connecting rod divide into several sections, and the department of bending between every section is embedded to have a bearing, can be used to the folding of connecting rod, has reached and has placed the convenience, the diversified purpose of function.

Drawings

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

FIG. 2 is a schematic sectional view of the whole backrest of the present invention;

FIG. 3 is a schematic structural view of a worm gear of the present invention;

fig. 4 is an enlarged schematic view of the area a in fig. 1 according to the present invention.

In the figure: 1-a sofa main body, 2-a base, 3-a sofa base, 4-a sofa cushion, 5-a first handrail, 6-a second handrail, 7-a connecting rod, 8-a bearing, 9-a small table plate, 10-an ashtray, 11-a backrest, 12-a headrest, 13-a supporting plate, 14-a bushing, 15-a first bearing, 16-a spring, 17-a screw rod, 18-a buffer spring, 19-a turbine, 20-a worm, 21-a hand wheel and 22-a threaded sleeve.

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, a sofa with a built-in manual lifting back cushion comprises a sofa body 1, a base 2 is fixedly installed at the bottom of the sofa body 1, a sofa base 3 is fixedly installed above the base 2, a sofa cushion 4 is movably placed above the sofa base 3, a first handrail 5 and a second handrail 6 are movably installed at the left side and the right side of the sofa base 3, a connecting rod 7 is movably connected on the first handrail 5, a small table plate 9 is movably installed on the connecting rod 7 and can be used for placing books or other office entertainment equipment, an ashtray 10 is arranged on the small table plate 9 and can be used for placing sundries such as cigarette ash and beverage cups, the connecting rod 7 is divided into a plurality of sections, a bearing 8 is embedded in a bending part between each section and can be used for folding the connecting rod 7, the purposes of convenient placement and diversified functions are achieved, the inside movable mounting of connecting rod 7 has bearing 8, movable mounting has little table 9 on the connecting rod 7, be provided with ashtray 10 on the little table 9, sofa base 3's top movable mounting has back 11, be provided with back cushion 12 on the back 11, the below of back cushion 12 is provided with backup pad 13, the below of backup pad 13 is provided with bush 14 and first bearing 15, the inside of bush 14 is provided with spring 16, the below of first bearing 15 is connected with screw rod 17, buffer spring 18 has been cup jointed to the outside of screw rod 17, turbine 19 is connected to the below of screw rod 17, be connected with worm 20 on the turbine 19, be connected with hand wheel 21 on the worm 20, the top of turbine 19 is connected with threaded sleeve 22. The hand wheel 21 is rotated to drive the worm 20 to rotate, worm teeth are arranged on the worm 20 and meshed with the worm wheel 19, so that the worm wheel 19 is rotationally driven to rotate, the worm wheel 19 drives the threaded sleeve 22 to rotate, the threaded sleeve 22 is meshed with the screw rod 17 to drive the screw rod 17 to ascend and descend, the supporting plate 13 is driven to ascend and descend, the height of the back cushion 5 is adjusted, and the purpose of controlling the back cushion to ascend and descend is achieved.

The working principle is as follows: the sofa with the built-in manual lifting back cushion drives the worm 20 to rotate by rotating the hand wheel 21, the worm 20 is provided with worm teeth which are meshed with the worm wheel 19 so as to rotatably drive the worm wheel 19 to rotate, the worm wheel 19 drives the threaded sleeve 22 to rotate, the threaded sleeve 22 is meshed with the screw rod 17 so as to drive the screw rod 17 to ascend and descend, thereby driving the supporting plate 13 to ascend and descend, thereby adjusting the height of the back cushion 5 and achieving the purpose of controlling the lifting of the back cushion, the connecting rod 7 is connected on the first handrail 5, the small table plate 9 is movably installed on the first handrail and can be used for placing books or other office entertainment equipment, the small table plate 9 is provided with an ashtray 10 which can be used for containing sundries such as cigarette ash and can also be used for placing beverage cups, the connecting rod 7 is divided into a plurality of sections, a bearing 8 is embedded at the bending part between each section, and, the purpose of function diversification.

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 a sofa of built-in manual lift back cushion, includes sofa main part (1), its characterized in that: the sofa comprises a sofa main body (1), a base (2) is fixedly installed at the bottom of the sofa main body (1), a sofa base (3) is fixedly installed above the base (2), a sofa cushion (4) is movably placed above the sofa base (3), a first handrail (5) and a second handrail (6) are movably installed at the left side and the right side of the sofa base (3), a connecting rod (7) is movably connected onto the first handrail (5), a bearing (8) is movably installed inside the connecting rod (7), a small table plate (9) is movably installed on the connecting rod (7), an ashtray (10) is arranged on the small table plate (9), a backrest (11) is movably installed above the sofa base (3), a back cushion (12) is arranged on the backrest (11), a supporting plate (13) is arranged below the back cushion (12), a lining (14) and a first bearing (15) are arranged below the supporting plate (13), the improved bearing is characterized in that a spring (16) is arranged inside the bushing (14), a screw rod (17) is connected to the lower portion of the first bearing (15), a buffer spring (18) is sleeved on the outer portion of the screw rod (17), a worm wheel (19) is connected to the lower portion of the screw rod (17), a worm (20) is connected to the worm wheel (19), a hand wheel (21) is connected to the worm (20), and a threaded sleeve (22) is connected to the upper portion of the worm wheel (19).

2. The sofa with a built-in manual lifting headrest as claimed in claim 1, wherein: a guide post is fixedly connected below the spring (16).

3. The sofa with a built-in manual lifting headrest as claimed in claim 1, wherein: the back cushion (12) is soft.

4. The sofa with a built-in manual lifting headrest as claimed in claim 1, wherein: the connecting rod (7) is of a multi-section structure, and a bearing (8) is embedded at the bending part between every two sections.

5. The sofa with a built-in manual lifting headrest as claimed in claim 1, wherein: the worm (20) is provided with worm teeth.