CN213550774U - Sofa convenient to adjust - Google Patents

Abstract

The utility model discloses a sofa of convenient adjustment, including base, cushion and back, the fixed elevator that is equipped with in bottom of back, the fixed sleeve pipe that is equipped with in one side of base, just elevator and sleeve pipe sliding connection, the fixed rack that is equipped with in opposite side middle part of elevator, the opposite side of rack is equipped with the gear, just rack and gear engagement, the fixed motor that is equipped with in inside of base, just the gear passes through output shaft transmission with the motor and is connected. The utility model discloses a motor drive gear rotates, the gear clockwise rotates, it moves down to drive the elevator through the rack, the elevator drives the back and moves down, gear anticlockwise rotates, it shifts up to drive the elevator through the rack, the elevator drives the back and shifts up to adjust the high position of back, the footboard shifts out the base back through the guide pulley, the user can arrange the foot in on the footboard, the back of this sofa can advance altitude mixture control according to the user demand, and has pedal function, the practicality is good.

Description

Sofa convenient to adjust

Technical Field

The utility model relates to a sofa technical field, concretely relates to sofa of convenient adjustment.

Background

The sofa is a multi-seat chair with soft cushions, a backrest chair with springs or thick foamed plastics and the like is arranged, and armrests are arranged on two sides of the backrest chair, so that the sofa is one of soft furniture;

the prior art has the following defects: the existing sofa backrest and the base are fixedly assembled, the height of the backrest cannot be adjusted according to use requirements, and the sofa is few in use function and poor in practicability.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sofa of convenient adjustment, rotate through motor drive gear, the gear clockwise rotates, it moves down to drive the elevator through the rack, the elevator drives the back and moves down, the gear anticlockwise rotates, it shifts up to drive the elevator through the rack, the elevator drives the back and shifts up, thereby adjust the high position of back, the footboard passes through the guide pulley and shifts out after the base, the user can arrange the foot in on the footboard, the back of this sofa can advance altitude mixture control according to the user demand, and have pedal function, therefore, the practicality is good, in order to solve the problem of proposition among the above-mentioned background art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a sofa of convenient adjustment, includes base, cushion and back, the fixed elevator that is equipped with in bottom of back, the fixed sleeve pipe that is equipped with in one side of base, just elevator and sleeve pipe sliding connection, the fixed rack that is equipped with in opposite side middle part of elevator, the opposite side of rack is equipped with the gear, just rack and gear engagement, the fixed motor that is equipped with in inside of base, just the gear passes through output shaft transmission with the motor and is connected, the inside embedding of base is provided with the footboard, the top and the bottom of footboard all are equipped with the guide pulley, just footboard and guide pulley overlap joint.

Preferably, the cushion is arranged at the top of the base, the cushion is in lap joint with the base, and the backrest is arranged on one side of the top of the base.

Preferably, the transverse cross sections of the lifting block and the sleeve are both in a square design, the lifting block is embedded in the sleeve, and the inner wall of the embedded part of the lifting block and the sleeve is in clearance fit.

Preferably, a rotating rod is fixedly arranged at the center of the gear, and the gear is movably connected with the base through the rotating rod.

Preferably, four bottom corners of the base are fixedly provided with supporting foot frames, and the four supporting foot frames are distributed in central symmetry with respect to the base.

Preferably, the guide wheels are arranged into two groups, each group of guide wheels is arranged into a plurality of guide wheels, and the guide wheels are arranged at equal intervals.

Preferably, a handle is arranged at the center of the other side of the pedal, and the handle is detachably connected with the pedal through a screw.

Preferably, the base is internally provided with a placing groove, and the pedal is matched with the placing groove.

In the technical scheme, the utility model provides a technological effect and advantage:

the utility model discloses a motor drive gear rotates, the gear clockwise rotates, it moves down to drive the elevator through the rack, the elevator drives the back and moves down, gear anticlockwise rotation, it shifts up to drive the elevator through the rack, the elevator drives the back and shifts up, thereby adjust the high position of back, the footboard shifts out the base back through the guide pulley, the user can arrange the foot in on the footboard, compare with the current sofa that can not adjust and service function is few, the back of this sofa can advance altitude mixture control according to the user demand, and have pedal function, the practicality is good.

Drawings

In order to clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is also obvious for a person skilled in the art to obtain other drawings according to these drawings.

Fig. 1 is a longitudinal sectional view of the present invention.

Fig. 2 is a view of a usage scenario of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 1 according to the present invention.

Description of reference numerals:

1. a base; 2. a cushion; 3. a backrest; 4. a lifting block; 5. a sleeve; 6. a rack; 7. a gear; 8. a motor; 9. a pedal; 10. a guide wheel; 11. a handle; 12. and a supporting foot rest.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The utility model provides a sofa convenient for adjustment as shown in figures 1-4, which comprises a base 1, a cushion 2 and a backrest 3, wherein a lifting block 4 is fixedly arranged at the bottom of the backrest 3, a sleeve 5 is fixedly arranged at one side of the base 1, the lifting block 4 is connected with the sleeve 5 in a sliding way, a rack 6 is fixedly arranged at the middle part of the other side of the lifting block 4, a gear 7 is arranged at the other side of the rack 6, the rack 6 is meshed with the gear 7, a motor 8 is fixedly arranged inside the base 1, the gear 7 is connected with the motor 8 through output shaft transmission, a pedal 9 is embedded inside the base 1, guide wheels 10 are arranged at the top and the bottom of the pedal 9, the pedal 9 is lapped with the guide wheels 10, the gear rotates clockwise, the lifting block is driven by the rack to move downwards, the lifting block drives the backrest to move downwards, and the gear rotates anticlockwise, the lifting block is driven by the rack to move upwards, and the lifting block drives the backrest to move upwards, so that the height position of the backrest is adjusted;

further, in the above technical solution, the seat cushion 2 is arranged at the top of the base 1, the seat cushion 2 is in lap joint with the base 1, and the backrest 3 is arranged at one side of the top of the base 1, so that the sitting comfort of the base 1 is effectively improved by the arranged seat cushion 2, and the backrest 3 is convenient for the back of a user to use;

further, in the above technical solution, the transverse cross sections of the lifting block 4 and the sleeve 5 are both square, the lifting block 4 is embedded in the sleeve 5, and the inner wall of the embedded part of the lifting block 4 and the sleeve 5 is in clearance fit, so that the lifting block 4 can move in the sleeve 5 conveniently;

further, in the above technical solution, a rotating rod is fixedly arranged at the center of the gear 7, and the gear 7 is movably connected with the base 1 through the rotating rod, so that the gear 7 can move conveniently through the rotating rod;

further, in the above technical solution, support foot rests 12 are fixedly arranged at four bottom corners of the base 1, and the four support foot rests 12 are distributed in central symmetry with respect to the base 1, and support treatment is performed on the base 1 through the arranged support foot rests 12;

further, in the above technical solution, the guide wheels 10 are provided in two groups, each group of guide wheels 10 is provided with a plurality of guide wheels 10, the guide wheels 10 are arranged at equal intervals, and the sliding friction force received by the movement of the pedal 9 is converted into the rolling friction force through the arranged guide wheels 10, so that the use of the pedal 9 is facilitated;

further, in the above technical solution, a handle 11 is arranged at the center of the other side of the pedal 9, and the handle 11 is detachably connected with the pedal 9 through a screw, so that the pedal 9 can be pulled out of the base 1 manually through the arranged handle 11;

further, in the above technical scheme, a placing groove is formed in the base 1, the pedal 9 is matched with the placing groove, and the placing of the pedal 9 is facilitated through the arranged placing groove.

The specific implementation mode is as follows: insert the power behind the motor 8 external switch of establishing ties, in the use, when needing to adjust the height of back 3, control motor 8 operation, motor 8 drive gear 7 rotates, gear 7 clockwise rotates, it moves down to drive elevator 4 through rack 6, elevator 4 drives elevator 3 and moves down, gear 7 anticlockwise rotates, it shifts up to drive elevator 4 through rack 6, elevator 4 drives back 3 and moves up, thereby adjust the high position of back 3, adjust suitable back, the user can sit on cushion 2, the back is arranged in on back 3, can pull out footboard 9 right through handle 11, footboard 9 shifts out behind base 1 through guide pulley 10, the user can arrange the foot in on footboard 9, the back of this sofa can advance high regulation according to the user demand, and has pedal function, the practicality is good.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (8)

1. The utility model provides a sofa of convenient adjustment, includes base (1), cushion (2) and back (3), its characterized in that: the utility model discloses a bicycle seat, including base (1), back (3), lifting block (4), fixed sleeve pipe (5) that is equipped with in one side of base (1), just lifting block (4) and sleeve pipe (5) sliding connection, the fixed rack (6) that is equipped with in opposite side middle part of lifting block (4), the opposite side of rack (6) is equipped with gear (7), just rack (6) and gear (7) meshing, the inside of base (1) is fixed and is equipped with motor (8), just gear (7) are connected through output shaft transmission with motor (8), the inside embedding of base (1) is provided with footboard (9), the top and the bottom of footboard (9) all are equipped with guide pulley (10), just footboard (9) and guide pulley (10) overlap joint.

2. The sofa of claim 1, wherein the sofa further comprises: the seat cushion (2) is arranged at the top of the base (1), the seat cushion (2) is in lap joint with the base (1), and the backrest (3) is arranged on one side of the top of the base (1).

3. The sofa of claim 1, wherein the sofa further comprises: the transverse sections of the lifting block (4) and the sleeve (5) are both in a square design, the lifting block (4) is embedded in the sleeve (5), and the inner wall of the embedded part of the lifting block (4) and the sleeve (5) is in clearance fit.

4. The sofa of claim 1, wherein the sofa further comprises: the center of the gear (7) is fixedly provided with a rotating rod, and the gear (7) is movably connected with the base (1) through the rotating rod.

5. The sofa of claim 1, wherein the sofa further comprises: four base angle departments of base (1) all are fixed and are equipped with supporting leg frame (12), and four supporting leg frame (12) are central symmetry distribution about base (1).

6. The sofa of claim 1, wherein the sofa further comprises: the guide wheels (10) are arranged into two groups, each group of guide wheels (10) are arranged into a plurality of guide wheels, and the guide wheels (10) are arranged at equal intervals.

7. The sofa of claim 1, wherein the sofa further comprises: the handle (11) is arranged at the center of the other side of the pedal (9), and the handle (11) is detachably connected with the pedal (9) through a screw.

8. The sofa of claim 1, wherein the sofa further comprises: a placing groove is formed in the base (1), and the pedal (9) is matched with the placing groove.

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