CN213075128U

CN213075128U - Sofa with full-automatic backrest adjustment mechanism

Info

Publication number: CN213075128U
Application number: CN202021769868.5U
Authority: CN
Inventors: 李继
Original assignee: Ningbo Bailing Furniture Co ltd
Current assignee: Ningbo Bailing Furniture Co ltd
Priority date: 2020-08-23
Filing date: 2020-08-23
Publication date: 2021-04-30
Anticipated expiration: 2030-08-23

Abstract

The utility model discloses a sofa with full-automatic back guiding mechanism, including supporting seat and sofa back, the equal fixedly connected with sofa armrest in both sides at supporting seat top, two the equal fixedly connected with guide rail in one side of sofa armrest, two just be located the top sliding connection who supports the seat between the inside of guide rail has the sofa cushion, the bottom of sofa back contacts with the top of supporting seat to the both sides of sofa back all contact with one side of two sofa armrests, one side of supporting seat and the one side fixedly connected with who is located the sofa back accept the board, the utility model relates to the technical field of furniture. This sofa with full-automatic back guiding mechanism makes the regulation that carries out the certain degree angle that the sofa back can be fine through the intermeshing effect of two gears to satisfy the human demand to lying, and can carry out certain regulation to the sofa back angle according to self needs.

Description

Sofa with full-automatic backrest adjustment mechanism

Technical Field

The utility model relates to the technical field of furniture, specifically a sofa with full-automatic back guiding mechanism.

Background

The sofa is a foreign word, in particular to a multi-seat chair with soft cushions, a backrest chair with springs or thick foam plastics and the like is provided, handrails are arranged on two sides of the chair, the sofa is one of soft furniture, and the market mainly comprises a fixed sofa and an adjustable sofa, wherein the adjustable sofa is more popular because of the advantages of adjustable sitting posture, more comfort, more functions, wider application and the like. At present, the types of adjustable sofas in the sofa market are more, but the adjustable sofas are mainly adjusted and controlled by mechanical and manual operation, the adjusting mechanism has more related parts, can only perform a simple rotating or lifting function, and cannot well meet the requirement of most people on the adjustment of the sitting posture of the sofas.

The angle to sofa back itself that current adjustable sofa can not be fine carries out the regulation of certain degree to do not have fine stability, can not satisfy most people to the main auxiliary work ability angle-adjustable's of sofa demand, do not have fine practicality, can not be fine install and dismantle it, greatly increased user's the amount of labour.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sofa with full-automatic back guiding mechanism, solved the problem that the angle to sofa back itself that has full-automatic back guiding mechanism can not be fine carries out the regulation of certain degree to sofa back itself.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sofa with a full-automatic backrest adjusting mechanism comprises a supporting seat and a sofa backrest, wherein two sides of the top of the supporting seat are fixedly connected with sofa armrests, one side of each of the two sofa armrests is fixedly connected with a guide rail, a sofa cushion is slidably connected between the two guide rails and positioned at the top of the supporting seat, the bottom of the sofa backrest is contacted with the top of the supporting seat, the two sides of the sofa backrest are contacted with one side of the two sofa armrests, one side of the supporting seat and positioned at the back of the sofa backrest is fixedly connected with a bearing plate, the bottom of the inner cavity of the bearing plate is fixedly connected with a motor through a fixed block, an output shaft of the motor is fixedly connected with a first belt pulley, a first rotating rod is rotatably connected between the two sides of the inner cavity of the bearing plate through a bearing, and one side of the surface of the, the surface of first dwang and the right side fixedly connected with drive gear that is located the second belt pulley, drive gear's top is run through and is accepted the board and extend to the top of accepting the board, it is connected with the second dwang to rotate through the bearing between the both sides of sofa back inner chamber to the fixed surface of second dwang is connected with driven gear, driven gear's bottom is run through the sofa back and is extended to the bottom of sofa back, drive gear extends to the surface of accepting the board top and the surface meshing that driven gear extended to sofa back bottom, install output shaft locking mechanical system on the output shaft of motor.

Preferably, the surface of the first pulley is in transmission connection with the surface of the second pulley through a belt.

Preferably, both sides of the bottom of the bearing plate are fixedly connected with one side of the supporting seat through connecting blocks.

Preferably, the arc throw pillow is placed at the top of the sofa cushion, and the back of the arc throw pillow is in contact with the surface of the sofa backrest.

Preferably, two a plurality of spacing hole has all been seted up on the surface of guide rail to all run through between the top of two guide rails and the bottom has the bolt.

Preferably, the top of the sofa armrest is fixedly connected with a switch.

Advantageous effects

The utility model provides a sofa with a full-automatic backrest adjusting mechanism. Compared with the prior art, the method has the following beneficial effects:

(1) the sofa with the full-automatic backrest adjusting mechanism is characterized in that the bottom of an inner cavity of a bearing plate is fixedly connected with a motor through a fixed block, an output shaft of the motor is fixedly connected with a first belt pulley, a first rotating rod is rotatably connected between two sides of the inner cavity of the bearing plate through a bearing, one side of the surface of the first rotating rod is fixedly connected with a second belt pulley, a driving gear is fixedly connected to the surface of the first rotating rod and positioned on the right side of the second belt pulley, the top of the driving gear penetrates through the bearing plate and extends to the top of the bearing plate, a second rotating rod is rotatably connected between two sides of the inner cavity of the sofa backrest through a bearing, a driven gear is fixedly connected to the surface of the second rotating rod, the bottom of the driven gear penetrates through the sofa backrest and extends to the bottom of the sofa backrest, the surface of the driving gear extending to the top, the mutually meshed effect through two gears makes the sofa back can be fine carry out the regulation of certain degree angle to satisfy the human body ability to the oneself demand of lying in the seat, and can carry out certain regulation to sofa back angle according to self needs, satisfied the demand that most people can angle regulation to the main assistant work ability of sofa greatly, have fine practicality, the user's unnecessary amount of labour that has significantly reduced.

(2) The sofa with the full-automatic backrest adjusting mechanism is characterized in that sofa armrests are fixedly connected to two sides of the top of a supporting seat, guide rails are fixedly connected to one sides of the two sofa armrests, a sofa cushion is slidably connected to the top of the supporting seat between the insides of the two guide rails, the bottom of a sofa backrest is in contact with the top of the supporting seat, two sides of the sofa backrest are in contact with one sides of the two sofa armrests, a bearing plate is fixedly connected to one side of the supporting seat and one side of the back of the sofa backrest, a plurality of limiting holes are formed in the surfaces of the two guide rails, bolts penetrate between the tops and the bottoms of the two guide rails, the sofa backrest can be separated from the sofa cushion and the sofa armrests under the action of the guide rails before the angle of the sofa backrest is required to be adjusted, the sofa with the sofa backrest adjusting mechanism convenient to adjust the sofa and, has good disassembly effect and good use effect, is convenient for a user to use, and greatly meets the physiological requirements of people.

Drawings

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

FIG. 2 is a sectional view of the front view of the backrest and the receiving plate of the sofa of the present invention;

fig. 3 is a side perspective view of the sofa backrest, the receiving plate and the supporting seat of the present invention.

In the figure: the multifunctional sofa comprises a supporting seat 1, a sofa backrest 2, a sofa armrest 3, a guide rail 4, a sofa cushion 5, a bearing plate 6, a motor 7, a first belt pulley 8, a first rotating rod 9, a second belt pulley 10, a driving gear 11, a second rotating rod 12, a driven gear 13, a belt 14, an output shaft locking mechanism 15, a connecting block 16, an arc throw pillow 17, a bolt 18 and a switch 19.

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, the present invention provides a technical solution: the utility model provides a sofa with full-automatic back guiding mechanism, including supporting seat 1 and sofa backrest 2, the equal fixedly connected with sofa armrest 3 in both sides at 1 top of supporting seat, sofa armrest 3's top fixedly connected with switch 19, can carry out a control to sofa backrest 2 angle modulation, the equal fixedly connected with guide rail 4 in one side of two sofa armrest 3, a plurality of spacing hole has all been seted up on two guide rail 4's surface, and all run through bolt 18 between two guide rail 4's top and the bottom, the top sliding connection who just is located supporting seat 1 between two guide rail 4's the inside has sofa cushion 5, can the person of facilitating the use utilize guide rail 4's effect before carrying out angle modulation to sofa backrest 2, carry out the separation of certain degree with sofa armrest 3 and sofa cushion 5, in addition the existence of bolt 18 can be after the user finishes adjusting, sofa cushion 5 utilizes bolt 18 and spacing pore pair sofa cushion 5's position to carry out one when resumeing original taste to sofa cushion 5 Limiting, preventing the sofa from sliding back and forth, thereby causing influence on the using effect of the sofa itself, the arc throw pillow 17 is placed on the top of the sofa cushion 5, the back of the arc throw pillow 17 contacts with the surface of the sofa backrest 2, the bottom of the sofa backrest 2 contacts with the top of the supporting seat 1, and both sides of the sofa backrest 2 contact with one side of the two sofa armrests 3, so that the angle adjustment of the sofa backrest 2 is not influenced by the limitation of the sofa cushion 5 and the sofa armrests 3, one side of the supporting seat 1 and one side of the back of the sofa backrest 2 are fixedly connected with the bearing plate 6, both sides of the bottom of the bearing plate 6 are fixedly connected with one side of the supporting seat 1 through the connecting block 16, thereby greatly improving the stability of the sofa backrest 2, the bottom of the inner cavity of the bearing plate 6 is fixedly connected with the motor 7 through the fixing block, and the output shaft of the motor 7 is fixedly connected with the first, the surface of the first belt pulley 8 is in transmission connection with the surface of a second belt pulley 10 through a belt 14, a first rotating rod 9 is rotatably connected between two sides of the inner cavity of the bearing plate 6 through a bearing, a second belt pulley 10 is fixedly connected to one side of the surface of the first rotating rod 9, a driving gear 11 is fixedly connected to the surface of the first rotating rod 9 and positioned at the right side of the second belt pulley 10, the top of the driving gear 11 penetrates through the bearing plate 6 and extends to the top of the bearing plate 6, a second rotating rod 12 is rotatably connected between two sides of the inner cavity of the sofa backrest 2 through a bearing, a driven gear 13 is fixedly connected to the surface of the second rotating rod 12, the bottom of the driven gear 13 penetrates through the sofa backrest 2 and extends to the bottom of the sofa backrest 2, the surface of the driving gear 11 extending to the top of the bearing plate 6 is meshed with the surface of the driven gear 13 extending to the bottom of the sofa backrest 2, the realization is to an angle modulation effect of sofa back 2, installs output shaft locking mechanical system 15 on the output shaft of motor 7, and output shaft locking mechanical system 15 can make the motor can lock the motor output shaft when out of work, avoids the output shaft to rotate to also can play the effect of fixed back angle, in this application file, output shaft locking mechanical system 15 belongs to prior art, at current patent: since the application No. CN97215827.8 is well-known, the output shaft lock mechanism 15 will not be described in detail in this document.

When the angle adjustment device is used, when a user needs to adjust the angle of the sofa backrest, the bolt 18 on the surface of the guide rail 4 needs to be taken out firstly, the sofa cushion 5 is pulled out, then the switch 19 is pressed, the motor 7 is started, the motor 7 rotates to drive the first belt pulley 8 to rotate, then the second belt pulley 10 rotates along with the first belt pulley under the action of the belt 14, then the first rotating rod 9 rotates in the inner cavity of the bearing plate 6, so that the driving gear 11 rotates to drive the driven gear 13 to rotate on the surface of the second rotating rod 12, namely, the sofa backrest 2 is driven to complete the angle adjustment, after the sofa backrest 2 is adjusted to a proper angle, the sofa cushion 5 is restored to the original position, the bolt 18 is inserted, the position of the sofa cushion 5 is fixed, and all adjustment work of the sofa backrest 2 is completed.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

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 with full-automatic back guiding mechanism, includes supporting seat (1) and sofa back (2), its characterized in that: the sofa backrest comprises a supporting seat (1), sofa armrests (3) and a sofa cushion (5), wherein the sofa armrests (3) are fixedly connected to two sides of the top of the supporting seat (1), the guide rails (4) are fixedly connected to one side of each sofa armrest (3), the sofa cushion (5) is slidably connected to the top of the supporting seat (1) and positioned between the two guide rails (4), the bottom of a sofa backrest (2) is in contact with the top of the supporting seat (1), the two sides of the sofa backrest (2) are in contact with one sides of the two sofa armrests (3), a bearing plate (6) is fixedly connected to one side of the supporting seat (1) and positioned on the back of the sofa backrest (2), a motor (7) is fixedly connected to the bottom of the inner cavity of the bearing plate (6) through a fixing block, a first belt pulley (8) is fixedly connected to an output shaft of the motor (7), and a, and one side of the surface of the first rotating rod (9) is fixedly connected with a second belt pulley (10), a driving gear (11) is fixedly connected on the surface of the first rotating rod (9) and positioned on the right side of the second belt pulley (10), the top of the driving gear (11) penetrates through the bearing plate (6) and extends to the top of the bearing plate (6), a second rotating rod (12) is rotatably connected between the two sides of the inner cavity of the sofa backrest (2) through a bearing, and the surface of the second rotating rod (12) is fixedly connected with a driven gear (13), the bottom of the driven gear (13) penetrates through the sofa backrest (2) and extends to the bottom of the sofa backrest (2), the surface of the driving gear (11) extending to the top of the bearing plate (6) is meshed with the surface of the driven gear (13) extending to the bottom of the sofa backrest (2), an output shaft locking mechanism (15) is installed on an output shaft of the motor (7).

2. The sofa with a fully automatic backrest adjustment mechanism as claimed in claim 1, wherein: the surface of the first belt pulley (8) is in transmission connection with the surface of the second belt pulley (10) through a belt (14).

3. The sofa with a fully automatic backrest adjustment mechanism as claimed in claim 1, wherein: the two sides of the bottom of the bearing plate (6) are fixedly connected with one side of the supporting seat (1) through connecting blocks (16).

4. The sofa with a fully automatic backrest adjustment mechanism as claimed in claim 1, wherein: an arc throw pillow (17) is placed at the top of the sofa cushion (5), and the back of the arc throw pillow (17) is in contact with the surface of the sofa backrest (2).

5. The sofa with a fully automatic backrest adjustment mechanism as claimed in claim 1, wherein: two a plurality of spacing hole has all been seted up on the surface of guide rail (4) to all run through between the top of two guide rail (4) and the bottom has bolt (18).

6. The sofa with a fully automatic backrest adjustment mechanism as claimed in claim 1, wherein: the top of the sofa armrest (3) is fixedly connected with a switch (19).