CN220192586U - Sofa convenient for adjusting backrest angle - Google Patents

Abstract

The utility model relates to a sofa convenient for adjusting the angle of a backrest, which comprises a base, wherein an adjusting component is arranged at the top of the base; the adjusting component comprises a motor fixedly installed inside a base, an output shaft of the motor is connected with a rotating rod in a transmission manner, the outer surface of the rotating rod is fixedly connected with a backrest, the outer surfaces of the left side and the right side of the rotating rod are fixedly connected with connecting frames, two connecting frames are far away from one side of the rotating rod and are fixedly connected with connecting rods, the left side and the right side of the top of the base are fixedly connected with annular frames, one end of each bottom of each annular frame is fixedly connected with a supporting frame extending to the top of the base, and one side of the top of the base, which is close to the backrest, is fixedly connected with handrails. This conveniently adjust sofa of back angle sets up adjusting part, carries out angle modulation through dwang, annular frame, connecting rod, to the back, consolidates the back through extension rod, spring, dead lever again, increases the steadiness of back.

Description

Sofa convenient for adjusting backrest angle

Technical Field

The utility model relates to the technical field of sofas, in particular to a sofa with a backrest angle convenient to adjust.

Background

The sofa is an external word and is a multi-seat chair with soft cushion according to the transliteration of English word sofa, a backrest chair with springs or thick foam plastic and the like, and armrests are arranged on two sides of the backrest chair, so that the sofa is a soft-packaged furniture.

According to the sofa disclosed in Chinese patent CN212368663U for adjusting the angle of the backrest, the position of the armrest is moved to enable the limiting piece to slide in the chute in a limiting way, the stress points of the limiting piece and the backrest are changed, the angle of the backrest is changed, a user can change the angle of the backrest according to the requirement of the user, the backrest is attached to the back, and the comfort of sitting on the sofa is improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a sofa convenient for adjusting the angle of a backrest, has the advantages of increasing the stability of the backrest and the like, and solves the problem that the backrest is not supported by a structure.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sofa convenient for adjusting the angle of the backrest comprises a base, wherein an adjusting component is arranged at the top of the base; the adjusting component comprises a motor fixedly installed inside a base, an output shaft of the motor is connected with a rotating rod in a transmission manner, the outer surface of the rotating rod is fixedly connected with a backrest, the outer surfaces of the left side and the right side of the rotating rod are fixedly connected with connecting frames, two connecting frames are fixedly connected with connecting rods on one side of the connecting frames away from the rotating rod, annular frames are fixedly connected on the left side and the right side of the top of the base, and one end of each bottom of each annular frame is fixedly connected with a supporting frame extending to the top of the base.

Further, the base top just is close to one side fixedly connected with handrail of back, the quantity of handrail has two, and is symmetrical distribution, two the handrail is located the left and right sides of back.

Further, the rotating rod is provided with one end extending to the inside of the base, a rotating hole matched with the rotating rod is formed in the inside of the base, and a movable hole matched with the backrest is formed in the top of the base.

Further, one end of the rotating rod penetrates through the inside of the handrail and extends to the outside of the handrail, two annular frames are symmetrically distributed, and the two annular frames are positioned on the left side and the right side of the handrail.

Further, the connecting rod has one end to extend to the inside of annular frame, the equal fixedly connected with mount of relative one side of link, the mount has one end all to extend to the left and right sides of back.

Further, the through hole matched with the connecting rod is formed in the handrail, the through hole is arc-shaped and is identical to the arc of the annular frame, a key is fixedly connected to the top of the handrail, and the key is electrically connected with the motor.

Further, the back fixedly connected with fixed block of back, the inboard fixedly connected with first pivot of fixed block, the surface fixedly connected with extension rod of first pivot.

Further, the back fixedly connected with connecting block that just is located the back at base top, the inboard fixedly connected with second pivot of connecting block, the surface swing joint of second pivot has the dead lever, the inside bottom fixedly connected with spring of dead lever, spring top fixedly connected with is in the bottom of extension rod, the extension rod has one end to extend to the inside of dead lever.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this conveniently adjust sofa of back angle sets up adjusting part, carries out angle modulation through dwang, annular frame, connecting rod, to the back, consolidates the back through extension rod, spring, dead lever again, increases the steadiness of back.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a rear view of the structure of the present utility model.

In the figure: 1 base, 2 back, 3 motor, 4 dwang, 5 handrail, 6 annular frame, 7 connecting rods, 8 link, 9 support frames, 10 fixed blocks, 11 first pivot, 12 extension rod, 13 springs, 14 dead lever, 15 mount.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a sofa with backrest angle convenient to adjust in this embodiment includes a base 1, wherein an adjusting component is disposed at the top of the base 1; the adjusting part is including fixed mounting in the inside motor 3 of base 1, and the output shaft transmission of motor 3 is connected with dwang 4, and the surface fixedly connected with back 2 of dwang 4, the equal fixedly connected with link 8 of surface of dwang 4 left and right sides, one side fixedly connected with connecting rod 7 of dwang 4 is kept away from to two link 8, the equal fixedly connected with annular frame 6 in the left and right sides at base 1 top, the equal fixedly connected with one end in the bottom of annular frame 6 extends to the support frame 9 at base 1 top.

Wherein, the one side fixedly connected with handrail 5 of base 1 top and being close to back 2, the quantity of handrail 5 has two, and be symmetrical distribution, two handrail 5 are located the left and right sides of back 2, the dwang 4 has one end to extend to the inside of base 1, the inside rotation hole with dwang 4 looks adaptation that has been seted up of base 1, the movable hole with back 2 looks adaptation has been seted up at base 1 top, dwang 4 has one end to run through handrail 5 inside and extend to the outside of handrail 5, the quantity of annular frame 6 has two, and be symmetrical distribution, two annular frames 6 are located the left and right sides of handrail 5, connecting rod 7 has one end to extend to the inside of annular frame 6, the equal fixedly connected with mount 15 of one end of connecting rod 8 all extends to the left and right sides of back 2, the inside through-hole with connecting rod 7 looks adaptation that has been seted up of handrail 5, the through-hole is the arc form, and the same with the arc of annular frame 6, the top fixedly connected with button and motor 3 electric connection, the inside fixedly connected with fixed block 10 of button 2, the inside fixedly connected with fixed block 10 has one end to the outside to the handrail 5 and extends to the outside, the inside of annular frame 11, the inside of connecting block is connected with the first pivot 12 of annular frame 12, the inside extension rod 12 is connected with the inside surface of the inside of connecting rod 12, the inside extension rod 13 is connected with the inside spring 13, the inside extension rod 13 is connected with the inside surface of the first pivot 13, the inside extension rod 13 is connected with the inside extension rod 13.

The working principle of the embodiment is as follows:

this conveniently adjust sofa of back angle, the user presses the button on handrail 5 according to the angle that oneself needs, starter motor 3, and motor 3 drives dwang 4, dwang 4 drive back 2 angle regulation, simultaneously, dwang 4 drive link 8 rotation, link 8 drive connecting rod 7 rotate on annular frame 6, back 2 is at pivoted in-process, drives extension rod 12 and stretches out and draws back in the inside of dead lever 14 through spring 13, again through first pivot 11 and the angle of second pivot adjustment dead lever 14 and extension rod 12.

It is noted that 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims (8)

1. The utility model provides a sofa of convenient regulation back angle, includes base (1), its characterized in that: an adjusting component is arranged at the top of the base (1);

the utility model discloses a motor, including adjusting part, including fixed mounting in inside motor (3) of base (1), the output shaft transmission of motor (3) is connected with dwang (4), the surface fixedly connected with back (2) of dwang (4), the surface of dwang (4) both sides is equal fixedly connected with link (8), two one side fixedly connected with connecting rod (7) of dwang (4) are kept away from to link (8), the equal fixedly connected with annular frame (6) in the left and right sides at base (1) top, support frame (9) that the equal fixedly connected with one end of bottom of annular frame (6) extends to base (1) top.

2. The sofa of claim 1, wherein the back angle is conveniently adjusted by: the utility model discloses a seat, including base (1), backrest (2), handrail (5) are connected with to one side of base (1) top and being close to backrest (2), the quantity of handrail (5) has two, and is symmetrical distribution, two handrail (5) are located the left and right sides of backrest (2).

3. The sofa of claim 1, wherein the back angle is conveniently adjusted by: the utility model discloses a backrest, including base (2), pivoted lever (4) have one end to extend to inside base (1), the pivoted hole with pivoted lever (4) looks adaptation has been seted up inside base (1), the movable hole with backrest (2) looks adaptation has been seted up at base (1) top.

4. The sofa of claim 2, wherein the back angle is conveniently adjusted, and wherein: one end of the rotating rod (4) penetrates through the handrail (5) and extends to the outside of the handrail (5), two annular frames (6) are symmetrically distributed, and the two annular frames (6) are positioned on the left side and the right side of the handrail (5).

5. The sofa of claim 1, wherein the back angle is conveniently adjusted by: the connecting rod (7) has one end to extend to the inside of annular frame (6), the equal fixedly connected with mount (15) of one side that link (8) are relative, mount (15) have one end all to extend to the left and right sides of back (2).

6. The sofa of claim 2, wherein the back angle is conveniently adjusted, and wherein: the handrail (5) is internally provided with a through hole matched with the connecting rod (7), the through hole is arc-shaped and is identical to the arc shape of the annular frame (6), the top of the handrail (5) is fixedly connected with a key, and the key is electrically connected with the motor (3).

7. The sofa of claim 1, wherein the back angle is conveniently adjusted by: the back of back (2) fixedly connected with fixed block (10), the inboard fixedly connected with first pivot (11) of fixed block (10), the surface fixedly connected with extension rod (12) of first pivot (11).

8. The sofa of claim 7, wherein the back angle is conveniently adjusted by: the back fixedly connected with connecting block that just is located back (2) at base (1) top, the inboard fixedly connected with second pivot of connecting block, the surface swing joint of second pivot has dead lever (14), the inside bottom fixedly connected with spring (13) of dead lever (14), spring (13) top fixedly connected with is in the bottom of extension pole (12), extension pole (12) have one end to extend to the inside of dead lever (14).